Committing files instead of symlinks.
This commit is contained in:
Vendored
-1
@@ -1 +0,0 @@
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/opt/local/share/asn1c/BIT_STRING.c
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Vendored
+189
@@ -0,0 +1,189 @@
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/*-
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* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#include <asn_internal.h>
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#include <BIT_STRING.h>
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#include <asn_internal.h>
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/*
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* BIT STRING basic type description.
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*/
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static ber_tlv_tag_t asn_DEF_BIT_STRING_tags[] = {
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(ASN_TAG_CLASS_UNIVERSAL | (3 << 2))
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};
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static asn_OCTET_STRING_specifics_t asn_DEF_BIT_STRING_specs = {
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sizeof(BIT_STRING_t),
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offsetof(BIT_STRING_t, _asn_ctx),
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ASN_OSUBV_BIT
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};
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asn_TYPE_descriptor_t asn_DEF_BIT_STRING = {
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"BIT STRING",
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"BIT_STRING",
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OCTET_STRING_free, /* Implemented in terms of OCTET STRING */
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BIT_STRING_print,
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BIT_STRING_constraint,
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OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */
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OCTET_STRING_encode_der, /* Implemented in terms of OCTET STRING */
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OCTET_STRING_decode_xer_binary,
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BIT_STRING_encode_xer,
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OCTET_STRING_decode_uper, /* Unaligned PER decoder */
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OCTET_STRING_encode_uper, /* Unaligned PER encoder */
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0, /* Use generic outmost tag fetcher */
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asn_DEF_BIT_STRING_tags,
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sizeof(asn_DEF_BIT_STRING_tags)
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/ sizeof(asn_DEF_BIT_STRING_tags[0]),
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asn_DEF_BIT_STRING_tags, /* Same as above */
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sizeof(asn_DEF_BIT_STRING_tags)
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/ sizeof(asn_DEF_BIT_STRING_tags[0]),
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0, /* No PER visible constraints */
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0, 0, /* No members */
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&asn_DEF_BIT_STRING_specs
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};
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/*
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* BIT STRING generic constraint.
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*/
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int
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BIT_STRING_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
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asn_app_constraint_failed_f *ctfailcb, void *app_key) {
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const BIT_STRING_t *st = (const BIT_STRING_t *)sptr;
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if(st && st->buf) {
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if((st->size == 0 && st->bits_unused)
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|| st->bits_unused < 0 || st->bits_unused > 7) {
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_ASN_CTFAIL(app_key, td, sptr,
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"%s: invalid padding byte (%s:%d)",
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td->name, __FILE__, __LINE__);
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return -1;
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}
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} else {
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_ASN_CTFAIL(app_key, td, sptr,
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"%s: value not given (%s:%d)",
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td->name, __FILE__, __LINE__);
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return -1;
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}
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return 0;
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}
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static char *_bit_pattern[16] = {
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"0000", "0001", "0010", "0011", "0100", "0101", "0110", "0111",
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"1000", "1001", "1010", "1011", "1100", "1101", "1110", "1111"
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};
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asn_enc_rval_t
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BIT_STRING_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
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int ilevel, enum xer_encoder_flags_e flags,
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asn_app_consume_bytes_f *cb, void *app_key) {
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asn_enc_rval_t er;
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char scratch[128];
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char *p = scratch;
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char *scend = scratch + (sizeof(scratch) - 10);
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const BIT_STRING_t *st = (const BIT_STRING_t *)sptr;
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int xcan = (flags & XER_F_CANONICAL);
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uint8_t *buf;
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uint8_t *end;
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if(!st || !st->buf)
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_ASN_ENCODE_FAILED;
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er.encoded = 0;
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buf = st->buf;
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end = buf + st->size - 1; /* Last byte is special */
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/*
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* Binary dump
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*/
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for(; buf < end; buf++) {
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int v = *buf;
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int nline = xcan?0:(((buf - st->buf) % 8) == 0);
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if(p >= scend || nline) {
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er.encoded += p - scratch;
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_ASN_CALLBACK(scratch, p - scratch);
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p = scratch;
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if(nline) _i_ASN_TEXT_INDENT(1, ilevel);
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}
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memcpy(p + 0, _bit_pattern[v >> 4], 4);
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memcpy(p + 4, _bit_pattern[v & 0x0f], 4);
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p += 8;
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}
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if(!xcan && ((buf - st->buf) % 8) == 0)
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_i_ASN_TEXT_INDENT(1, ilevel);
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er.encoded += p - scratch;
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_ASN_CALLBACK(scratch, p - scratch);
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p = scratch;
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if(buf == end) {
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int v = *buf;
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int ubits = st->bits_unused;
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int i;
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for(i = 7; i >= ubits; i--)
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*p++ = (v & (1 << i)) ? 0x31 : 0x30;
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er.encoded += p - scratch;
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_ASN_CALLBACK(scratch, p - scratch);
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}
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if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel - 1);
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_ASN_ENCODED_OK(er);
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cb_failed:
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_ASN_ENCODE_FAILED;
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}
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/*
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* BIT STRING specific contents printer.
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*/
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int
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BIT_STRING_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
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asn_app_consume_bytes_f *cb, void *app_key) {
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static const char *h2c = "0123456789ABCDEF";
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char scratch[64];
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const BIT_STRING_t *st = (const BIT_STRING_t *)sptr;
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uint8_t *buf;
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uint8_t *end;
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char *p = scratch;
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(void)td; /* Unused argument */
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if(!st || !st->buf)
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return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
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ilevel++;
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buf = st->buf;
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end = buf + st->size;
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/*
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* Hexadecimal dump.
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*/
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for(; buf < end; buf++) {
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if((buf - st->buf) % 16 == 0 && (st->size > 16)
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&& buf != st->buf) {
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_i_INDENT(1);
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/* Dump the string */
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if(cb(scratch, p - scratch, app_key) < 0) return -1;
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p = scratch;
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}
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*p++ = h2c[*buf >> 4];
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*p++ = h2c[*buf & 0x0F];
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*p++ = 0x20;
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}
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if(p > scratch) {
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p--; /* Eat the tailing space */
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if((st->size > 16)) {
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_i_INDENT(1);
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}
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/* Dump the incomplete 16-bytes row */
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if(cb(scratch, p - scratch, app_key) < 0)
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return -1;
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}
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return 0;
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}
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Vendored
-1
@@ -1 +0,0 @@
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/opt/local/share/asn1c/BIT_STRING.h
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Vendored
+33
@@ -0,0 +1,33 @@
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/*-
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* Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#ifndef _BIT_STRING_H_
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#define _BIT_STRING_H_
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#include <OCTET_STRING.h> /* Some help from OCTET STRING */
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct BIT_STRING_s {
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uint8_t *buf; /* BIT STRING body */
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int size; /* Size of the above buffer */
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int bits_unused;/* Unused trailing bits in the last octet (0..7) */
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asn_struct_ctx_t _asn_ctx; /* Parsing across buffer boundaries */
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} BIT_STRING_t;
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extern asn_TYPE_descriptor_t asn_DEF_BIT_STRING;
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asn_struct_print_f BIT_STRING_print; /* Human-readable output */
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asn_constr_check_f BIT_STRING_constraint;
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xer_type_encoder_f BIT_STRING_encode_xer;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _BIT_STRING_H_ */
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Vendored
-1
@@ -1 +0,0 @@
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/opt/local/share/asn1c/BOOLEAN.c
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Vendored
+284
@@ -0,0 +1,284 @@
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/*-
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* Copyright (c) 2003, 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
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* Redistribution and modifications are permitted subject to BSD license.
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*/
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#include <asn_internal.h>
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#include <asn_codecs_prim.h>
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#include <BOOLEAN.h>
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/*
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* BOOLEAN basic type description.
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*/
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static ber_tlv_tag_t asn_DEF_BOOLEAN_tags[] = {
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(ASN_TAG_CLASS_UNIVERSAL | (1 << 2))
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};
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asn_TYPE_descriptor_t asn_DEF_BOOLEAN = {
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"BOOLEAN",
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"BOOLEAN",
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BOOLEAN_free,
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BOOLEAN_print,
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asn_generic_no_constraint,
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BOOLEAN_decode_ber,
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BOOLEAN_encode_der,
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BOOLEAN_decode_xer,
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BOOLEAN_encode_xer,
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BOOLEAN_decode_uper, /* Unaligned PER decoder */
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BOOLEAN_encode_uper, /* Unaligned PER encoder */
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0, /* Use generic outmost tag fetcher */
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asn_DEF_BOOLEAN_tags,
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sizeof(asn_DEF_BOOLEAN_tags) / sizeof(asn_DEF_BOOLEAN_tags[0]),
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asn_DEF_BOOLEAN_tags, /* Same as above */
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sizeof(asn_DEF_BOOLEAN_tags) / sizeof(asn_DEF_BOOLEAN_tags[0]),
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0, /* No PER visible constraints */
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0, 0, /* No members */
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0 /* No specifics */
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};
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/*
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* Decode BOOLEAN type.
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*/
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asn_dec_rval_t
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BOOLEAN_decode_ber(asn_codec_ctx_t *opt_codec_ctx,
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asn_TYPE_descriptor_t *td,
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void **bool_value, const void *buf_ptr, size_t size,
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int tag_mode) {
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BOOLEAN_t *st = (BOOLEAN_t *)*bool_value;
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asn_dec_rval_t rval;
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ber_tlv_len_t length;
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ber_tlv_len_t lidx;
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if(st == NULL) {
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st = (BOOLEAN_t *)(*bool_value = CALLOC(1, sizeof(*st)));
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if(st == NULL) {
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rval.code = RC_FAIL;
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rval.consumed = 0;
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return rval;
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}
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}
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ASN_DEBUG("Decoding %s as BOOLEAN (tm=%d)",
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td->name, tag_mode);
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/*
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* Check tags.
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*/
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rval = ber_check_tags(opt_codec_ctx, td, 0, buf_ptr, size,
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tag_mode, 0, &length, 0);
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if(rval.code != RC_OK)
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return rval;
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ASN_DEBUG("Boolean length is %d bytes", (int)length);
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buf_ptr = ((const char *)buf_ptr) + rval.consumed;
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size -= rval.consumed;
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if(length > (ber_tlv_len_t)size) {
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rval.code = RC_WMORE;
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rval.consumed = 0;
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return rval;
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}
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/*
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* Compute boolean value.
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*/
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for(*st = 0, lidx = 0;
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(lidx < length) && *st == 0; lidx++) {
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/*
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* Very simple approach: read bytes until the end or
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* value is already TRUE.
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* BOOLEAN is not supposed to contain meaningful data anyway.
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||||
*/
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*st |= ((const uint8_t *)buf_ptr)[lidx];
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}
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rval.code = RC_OK;
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rval.consumed += length;
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ASN_DEBUG("Took %ld/%ld bytes to encode %s, value=%d",
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(long)rval.consumed, (long)length,
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td->name, *st);
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return rval;
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}
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asn_enc_rval_t
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BOOLEAN_encode_der(asn_TYPE_descriptor_t *td, void *sptr,
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int tag_mode, ber_tlv_tag_t tag,
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asn_app_consume_bytes_f *cb, void *app_key) {
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asn_enc_rval_t erval;
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BOOLEAN_t *st = (BOOLEAN_t *)sptr;
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||||
|
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erval.encoded = der_write_tags(td, 1, tag_mode, 0, tag, cb, app_key);
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if(erval.encoded == -1) {
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erval.failed_type = td;
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erval.structure_ptr = sptr;
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||||
return erval;
|
||||
}
|
||||
|
||||
if(cb) {
|
||||
uint8_t bool_value;
|
||||
|
||||
bool_value = *st ? 0xff : 0; /* 0xff mandated by DER */
|
||||
|
||||
if(cb(&bool_value, 1, app_key) < 0) {
|
||||
erval.encoded = -1;
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||||
erval.failed_type = td;
|
||||
erval.structure_ptr = sptr;
|
||||
return erval;
|
||||
}
|
||||
}
|
||||
|
||||
erval.encoded += 1;
|
||||
|
||||
_ASN_ENCODED_OK(erval);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Decode the chunk of XML text encoding INTEGER.
|
||||
*/
|
||||
static enum xer_pbd_rval
|
||||
BOOLEAN__xer_body_decode(asn_TYPE_descriptor_t *td, void *sptr, const void *chunk_buf, size_t chunk_size) {
|
||||
BOOLEAN_t *st = (BOOLEAN_t *)sptr;
|
||||
const char *p = (const char *)chunk_buf;
|
||||
|
||||
(void)td;
|
||||
|
||||
if(chunk_size && p[0] == 0x3c /* '<' */) {
|
||||
switch(xer_check_tag(chunk_buf, chunk_size, "false")) {
|
||||
case XCT_BOTH:
|
||||
/* "<false/>" */
|
||||
*st = 0;
|
||||
break;
|
||||
case XCT_UNKNOWN_BO:
|
||||
if(xer_check_tag(chunk_buf, chunk_size, "true")
|
||||
!= XCT_BOTH)
|
||||
return XPBD_BROKEN_ENCODING;
|
||||
/* "<true/>" */
|
||||
*st = 1; /* Or 0xff as in DER?.. */
|
||||
break;
|
||||
default:
|
||||
return XPBD_BROKEN_ENCODING;
|
||||
}
|
||||
return XPBD_BODY_CONSUMED;
|
||||
} else {
|
||||
if(xer_is_whitespace(chunk_buf, chunk_size))
|
||||
return XPBD_NOT_BODY_IGNORE;
|
||||
else
|
||||
return XPBD_BROKEN_ENCODING;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
asn_dec_rval_t
|
||||
BOOLEAN_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td, void **sptr, const char *opt_mname,
|
||||
const void *buf_ptr, size_t size) {
|
||||
|
||||
return xer_decode_primitive(opt_codec_ctx, td,
|
||||
sptr, sizeof(BOOLEAN_t), opt_mname, buf_ptr, size,
|
||||
BOOLEAN__xer_body_decode);
|
||||
}
|
||||
|
||||
asn_enc_rval_t
|
||||
BOOLEAN_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int ilevel, enum xer_encoder_flags_e flags,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
|
||||
asn_enc_rval_t er;
|
||||
|
||||
(void)ilevel;
|
||||
(void)flags;
|
||||
|
||||
if(!st) _ASN_ENCODE_FAILED;
|
||||
|
||||
if(*st) {
|
||||
_ASN_CALLBACK("<true/>", 7);
|
||||
er.encoded = 7;
|
||||
} else {
|
||||
_ASN_CALLBACK("<false/>", 8);
|
||||
er.encoded = 8;
|
||||
}
|
||||
|
||||
_ASN_ENCODED_OK(er);
|
||||
cb_failed:
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
|
||||
int
|
||||
BOOLEAN_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
|
||||
const char *buf;
|
||||
size_t buflen;
|
||||
|
||||
(void)td; /* Unused argument */
|
||||
(void)ilevel; /* Unused argument */
|
||||
|
||||
if(st) {
|
||||
if(*st) {
|
||||
buf = "TRUE";
|
||||
buflen = 4;
|
||||
} else {
|
||||
buf = "FALSE";
|
||||
buflen = 5;
|
||||
}
|
||||
} else {
|
||||
buf = "<absent>";
|
||||
buflen = 8;
|
||||
}
|
||||
|
||||
return (cb(buf, buflen, app_key) < 0) ? -1 : 0;
|
||||
}
|
||||
|
||||
void
|
||||
BOOLEAN_free(asn_TYPE_descriptor_t *td, void *ptr, int contents_only) {
|
||||
if(td && ptr && !contents_only) {
|
||||
FREEMEM(ptr);
|
||||
}
|
||||
}
|
||||
|
||||
asn_dec_rval_t
|
||||
BOOLEAN_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
|
||||
asn_dec_rval_t rv;
|
||||
BOOLEAN_t *st = (BOOLEAN_t *)*sptr;
|
||||
|
||||
(void)opt_codec_ctx;
|
||||
(void)constraints;
|
||||
|
||||
if(!st) {
|
||||
st = (BOOLEAN_t *)(*sptr = MALLOC(sizeof(*st)));
|
||||
if(!st) _ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
/*
|
||||
* Extract a single bit
|
||||
*/
|
||||
switch(per_get_few_bits(pd, 1)) {
|
||||
case 1: *st = 1; break;
|
||||
case 0: *st = 0; break;
|
||||
case -1: default: _ASN_DECODE_STARVED;
|
||||
}
|
||||
|
||||
ASN_DEBUG("%s decoded as %s", td->name, *st ? "TRUE" : "FALSE");
|
||||
|
||||
rv.code = RC_OK;
|
||||
rv.consumed = 1;
|
||||
return rv;
|
||||
}
|
||||
|
||||
|
||||
asn_enc_rval_t
|
||||
BOOLEAN_encode_uper(asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
|
||||
const BOOLEAN_t *st = (const BOOLEAN_t *)sptr;
|
||||
asn_enc_rval_t er;
|
||||
|
||||
(void)constraints;
|
||||
|
||||
if(!st) _ASN_ENCODE_FAILED;
|
||||
|
||||
per_put_few_bits(po, *st ? 1 : 0, 1);
|
||||
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/BOOLEAN.h
|
||||
Vendored
+36
@@ -0,0 +1,36 @@
|
||||
/*-
|
||||
* Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _BOOLEAN_H_
|
||||
#define _BOOLEAN_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* The underlying integer may contain various values, but everything
|
||||
* non-zero is capped to 0xff by the DER encoder. The BER decoder may
|
||||
* yield non-zero values different from 1, beware.
|
||||
*/
|
||||
typedef int BOOLEAN_t;
|
||||
|
||||
extern asn_TYPE_descriptor_t asn_DEF_BOOLEAN;
|
||||
|
||||
asn_struct_free_f BOOLEAN_free;
|
||||
asn_struct_print_f BOOLEAN_print;
|
||||
ber_type_decoder_f BOOLEAN_decode_ber;
|
||||
der_type_encoder_f BOOLEAN_encode_der;
|
||||
xer_type_decoder_f BOOLEAN_decode_xer;
|
||||
xer_type_encoder_f BOOLEAN_encode_xer;
|
||||
per_type_decoder_f BOOLEAN_decode_uper;
|
||||
per_type_encoder_f BOOLEAN_encode_uper;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _BOOLEAN_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/INTEGER.c
|
||||
Vendored
+934
@@ -0,0 +1,934 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2005, 2006, 2007 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <INTEGER.h>
|
||||
#include <asn_codecs_prim.h> /* Encoder and decoder of a primitive type */
|
||||
#include <errno.h>
|
||||
|
||||
/*
|
||||
* INTEGER basic type description.
|
||||
*/
|
||||
static ber_tlv_tag_t asn_DEF_INTEGER_tags[] = {
|
||||
(ASN_TAG_CLASS_UNIVERSAL | (2 << 2))
|
||||
};
|
||||
asn_TYPE_descriptor_t asn_DEF_INTEGER = {
|
||||
"INTEGER",
|
||||
"INTEGER",
|
||||
ASN__PRIMITIVE_TYPE_free,
|
||||
INTEGER_print,
|
||||
asn_generic_no_constraint,
|
||||
ber_decode_primitive,
|
||||
INTEGER_encode_der,
|
||||
INTEGER_decode_xer,
|
||||
INTEGER_encode_xer,
|
||||
INTEGER_decode_uper, /* Unaligned PER decoder */
|
||||
INTEGER_encode_uper, /* Unaligned PER encoder */
|
||||
0, /* Use generic outmost tag fetcher */
|
||||
asn_DEF_INTEGER_tags,
|
||||
sizeof(asn_DEF_INTEGER_tags) / sizeof(asn_DEF_INTEGER_tags[0]),
|
||||
asn_DEF_INTEGER_tags, /* Same as above */
|
||||
sizeof(asn_DEF_INTEGER_tags) / sizeof(asn_DEF_INTEGER_tags[0]),
|
||||
0, /* No PER visible constraints */
|
||||
0, 0, /* No members */
|
||||
0 /* No specifics */
|
||||
};
|
||||
|
||||
/*
|
||||
* Encode INTEGER type using DER.
|
||||
*/
|
||||
asn_enc_rval_t
|
||||
INTEGER_encode_der(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int tag_mode, ber_tlv_tag_t tag,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
INTEGER_t *st = (INTEGER_t *)sptr;
|
||||
|
||||
ASN_DEBUG("%s %s as INTEGER (tm=%d)",
|
||||
cb?"Encoding":"Estimating", td->name, tag_mode);
|
||||
|
||||
/*
|
||||
* Canonicalize integer in the buffer.
|
||||
* (Remove too long sign extension, remove some first 0x00 bytes)
|
||||
*/
|
||||
if(st->buf) {
|
||||
uint8_t *buf = st->buf;
|
||||
uint8_t *end1 = buf + st->size - 1;
|
||||
int shift;
|
||||
|
||||
/* Compute the number of superfluous leading bytes */
|
||||
for(; buf < end1; buf++) {
|
||||
/*
|
||||
* If the contents octets of an integer value encoding
|
||||
* consist of more than one octet, then the bits of the
|
||||
* first octet and bit 8 of the second octet:
|
||||
* a) shall not all be ones; and
|
||||
* b) shall not all be zero.
|
||||
*/
|
||||
switch(*buf) {
|
||||
case 0x00: if((buf[1] & 0x80) == 0)
|
||||
continue;
|
||||
break;
|
||||
case 0xff: if((buf[1] & 0x80))
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* Remove leading superfluous bytes from the integer */
|
||||
shift = buf - st->buf;
|
||||
if(shift) {
|
||||
uint8_t *nb = st->buf;
|
||||
uint8_t *end;
|
||||
|
||||
st->size -= shift; /* New size, minus bad bytes */
|
||||
end = nb + st->size;
|
||||
|
||||
for(; nb < end; nb++, buf++)
|
||||
*nb = *buf;
|
||||
}
|
||||
|
||||
} /* if(1) */
|
||||
|
||||
return der_encode_primitive(td, sptr, tag_mode, tag, cb, app_key);
|
||||
}
|
||||
|
||||
static const asn_INTEGER_enum_map_t *INTEGER_map_enum2value(asn_INTEGER_specifics_t *specs, const char *lstart, const char *lstop);
|
||||
|
||||
/*
|
||||
* INTEGER specific human-readable output.
|
||||
*/
|
||||
static ssize_t
|
||||
INTEGER__dump(asn_TYPE_descriptor_t *td, const INTEGER_t *st, asn_app_consume_bytes_f *cb, void *app_key, int plainOrXER) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
char scratch[32]; /* Enough for 64-bit integer */
|
||||
uint8_t *buf = st->buf;
|
||||
uint8_t *buf_end = st->buf + st->size;
|
||||
signed long accum;
|
||||
ssize_t wrote = 0;
|
||||
char *p;
|
||||
int ret;
|
||||
|
||||
/*
|
||||
* Advance buf pointer until the start of the value's body.
|
||||
* This will make us able to process large integers using simple case,
|
||||
* when the actual value is small
|
||||
* (0x0000000000abcdef would yield a fine 0x00abcdef)
|
||||
*/
|
||||
/* Skip the insignificant leading bytes */
|
||||
for(; buf < buf_end-1; buf++) {
|
||||
switch(*buf) {
|
||||
case 0x00: if((buf[1] & 0x80) == 0) continue; break;
|
||||
case 0xff: if((buf[1] & 0x80) != 0) continue; break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* Simple case: the integer size is small */
|
||||
if((size_t)(buf_end - buf) <= sizeof(accum)) {
|
||||
const asn_INTEGER_enum_map_t *el;
|
||||
size_t scrsize;
|
||||
char *scr;
|
||||
|
||||
if(buf == buf_end) {
|
||||
accum = 0;
|
||||
} else {
|
||||
accum = (*buf & 0x80) ? -1 : 0;
|
||||
for(; buf < buf_end; buf++)
|
||||
accum = (accum << 8) | *buf;
|
||||
}
|
||||
|
||||
el = INTEGER_map_value2enum(specs, accum);
|
||||
if(el) {
|
||||
scrsize = el->enum_len + 32;
|
||||
scr = (char *)alloca(scrsize);
|
||||
if(plainOrXER == 0)
|
||||
ret = snprintf(scr, scrsize,
|
||||
"%ld (%s)", accum, el->enum_name);
|
||||
else
|
||||
ret = snprintf(scr, scrsize,
|
||||
"<%s/>", el->enum_name);
|
||||
} else if(plainOrXER && specs && specs->strict_enumeration) {
|
||||
ASN_DEBUG("ASN.1 forbids dealing with "
|
||||
"unknown value of ENUMERATED type");
|
||||
errno = EPERM;
|
||||
return -1;
|
||||
} else {
|
||||
scrsize = sizeof(scratch);
|
||||
scr = scratch;
|
||||
ret = snprintf(scr, scrsize,
|
||||
(specs && specs->field_unsigned)
|
||||
?"%lu":"%ld", accum);
|
||||
}
|
||||
assert(ret > 0 && (size_t)ret < scrsize);
|
||||
return (cb(scr, ret, app_key) < 0) ? -1 : ret;
|
||||
} else if(plainOrXER && specs && specs->strict_enumeration) {
|
||||
/*
|
||||
* Here and earlier, we cannot encode the ENUMERATED values
|
||||
* if there is no corresponding identifier.
|
||||
*/
|
||||
ASN_DEBUG("ASN.1 forbids dealing with "
|
||||
"unknown value of ENUMERATED type");
|
||||
errno = EPERM;
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Output in the long xx:yy:zz... format */
|
||||
/* TODO: replace with generic algorithm (Knuth TAOCP Vol 2, 4.3.1) */
|
||||
for(p = scratch; buf < buf_end; buf++) {
|
||||
static const char *h2c = "0123456789ABCDEF";
|
||||
if((p - scratch) >= (ssize_t)(sizeof(scratch) - 4)) {
|
||||
/* Flush buffer */
|
||||
if(cb(scratch, p - scratch, app_key) < 0)
|
||||
return -1;
|
||||
wrote += p - scratch;
|
||||
p = scratch;
|
||||
}
|
||||
*p++ = h2c[*buf >> 4];
|
||||
*p++ = h2c[*buf & 0x0F];
|
||||
*p++ = 0x3a; /* ":" */
|
||||
}
|
||||
if(p != scratch)
|
||||
p--; /* Remove the last ":" */
|
||||
|
||||
wrote += p - scratch;
|
||||
return (cb(scratch, p - scratch, app_key) < 0) ? -1 : wrote;
|
||||
}
|
||||
|
||||
/*
|
||||
* INTEGER specific human-readable output.
|
||||
*/
|
||||
int
|
||||
INTEGER_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
const INTEGER_t *st = (const INTEGER_t *)sptr;
|
||||
ssize_t ret;
|
||||
|
||||
(void)td;
|
||||
(void)ilevel;
|
||||
|
||||
if(!st || !st->buf)
|
||||
ret = cb("<absent>", 8, app_key);
|
||||
else
|
||||
ret = INTEGER__dump(td, st, cb, app_key, 0);
|
||||
|
||||
return (ret < 0) ? -1 : 0;
|
||||
}
|
||||
|
||||
struct e2v_key {
|
||||
const char *start;
|
||||
const char *stop;
|
||||
asn_INTEGER_enum_map_t *vemap;
|
||||
unsigned int *evmap;
|
||||
};
|
||||
static int
|
||||
INTEGER__compar_enum2value(const void *kp, const void *am) {
|
||||
const struct e2v_key *key = (const struct e2v_key *)kp;
|
||||
const asn_INTEGER_enum_map_t *el = (const asn_INTEGER_enum_map_t *)am;
|
||||
const char *ptr, *end, *name;
|
||||
|
||||
/* Remap the element (sort by different criterion) */
|
||||
el = key->vemap + key->evmap[el - key->vemap];
|
||||
|
||||
/* Compare strings */
|
||||
for(ptr = key->start, end = key->stop, name = el->enum_name;
|
||||
ptr < end; ptr++, name++) {
|
||||
if(*ptr != *name)
|
||||
return *(const unsigned char *)ptr
|
||||
- *(const unsigned char *)name;
|
||||
}
|
||||
return name[0] ? -1 : 0;
|
||||
}
|
||||
|
||||
static const asn_INTEGER_enum_map_t *
|
||||
INTEGER_map_enum2value(asn_INTEGER_specifics_t *specs, const char *lstart, const char *lstop) {
|
||||
asn_INTEGER_enum_map_t *el_found;
|
||||
int count = specs ? specs->map_count : 0;
|
||||
struct e2v_key key;
|
||||
const char *lp;
|
||||
|
||||
if(!count) return NULL;
|
||||
|
||||
/* Guaranteed: assert(lstart < lstop); */
|
||||
/* Figure out the tag name */
|
||||
for(lstart++, lp = lstart; lp < lstop; lp++) {
|
||||
switch(*lp) {
|
||||
case 9: case 10: case 11: case 12: case 13: case 32: /* WSP */
|
||||
case 0x2f: /* '/' */ case 0x3e: /* '>' */
|
||||
break;
|
||||
default:
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
}
|
||||
if(lp == lstop) return NULL; /* No tag found */
|
||||
lstop = lp;
|
||||
|
||||
key.start = lstart;
|
||||
key.stop = lstop;
|
||||
key.vemap = specs->value2enum;
|
||||
key.evmap = specs->enum2value;
|
||||
el_found = (asn_INTEGER_enum_map_t *)bsearch(&key,
|
||||
specs->value2enum, count, sizeof(specs->value2enum[0]),
|
||||
INTEGER__compar_enum2value);
|
||||
if(el_found) {
|
||||
/* Remap enum2value into value2enum */
|
||||
el_found = key.vemap + key.evmap[el_found - key.vemap];
|
||||
}
|
||||
return el_found;
|
||||
}
|
||||
|
||||
static int
|
||||
INTEGER__compar_value2enum(const void *kp, const void *am) {
|
||||
long a = *(const long *)kp;
|
||||
const asn_INTEGER_enum_map_t *el = (const asn_INTEGER_enum_map_t *)am;
|
||||
long b = el->nat_value;
|
||||
if(a < b) return -1;
|
||||
else if(a == b) return 0;
|
||||
else return 1;
|
||||
}
|
||||
|
||||
const asn_INTEGER_enum_map_t *
|
||||
INTEGER_map_value2enum(asn_INTEGER_specifics_t *specs, long value) {
|
||||
int count = specs ? specs->map_count : 0;
|
||||
if(!count) return 0;
|
||||
return (asn_INTEGER_enum_map_t *)bsearch(&value, specs->value2enum,
|
||||
count, sizeof(specs->value2enum[0]),
|
||||
INTEGER__compar_value2enum);
|
||||
}
|
||||
|
||||
static int
|
||||
INTEGER_st_prealloc(INTEGER_t *st, int min_size) {
|
||||
void *p = MALLOC(min_size + 1);
|
||||
if(p) {
|
||||
void *b = st->buf;
|
||||
st->size = 0;
|
||||
st->buf = p;
|
||||
FREEMEM(b);
|
||||
return 0;
|
||||
} else {
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Decode the chunk of XML text encoding INTEGER.
|
||||
*/
|
||||
static enum xer_pbd_rval
|
||||
INTEGER__xer_body_decode(asn_TYPE_descriptor_t *td, void *sptr, const void *chunk_buf, size_t chunk_size) {
|
||||
INTEGER_t *st = (INTEGER_t *)sptr;
|
||||
long sign = 1;
|
||||
long value;
|
||||
const char *lp;
|
||||
const char *lstart = (const char *)chunk_buf;
|
||||
const char *lstop = lstart + chunk_size;
|
||||
enum {
|
||||
ST_SKIPSPACE,
|
||||
ST_SKIPSPHEX,
|
||||
ST_WAITDIGITS,
|
||||
ST_DIGITS,
|
||||
ST_HEXDIGIT1,
|
||||
ST_HEXDIGIT2,
|
||||
ST_HEXCOLON,
|
||||
ST_EXTRASTUFF
|
||||
} state = ST_SKIPSPACE;
|
||||
|
||||
if(chunk_size)
|
||||
ASN_DEBUG("INTEGER body %ld 0x%2x..0x%2x",
|
||||
(long)chunk_size, *lstart, lstop[-1]);
|
||||
|
||||
/*
|
||||
* We may have received a tag here. It will be processed inline.
|
||||
* Use strtoul()-like code and serialize the result.
|
||||
*/
|
||||
for(value = 0, lp = lstart; lp < lstop; lp++) {
|
||||
int lv = *lp;
|
||||
switch(lv) {
|
||||
case 0x09: case 0x0a: case 0x0d: case 0x20:
|
||||
switch(state) {
|
||||
case ST_SKIPSPACE:
|
||||
case ST_SKIPSPHEX:
|
||||
continue;
|
||||
case ST_HEXCOLON:
|
||||
if(xer_is_whitespace(lp, lstop - lp)) {
|
||||
lp = lstop - 1;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
case 0x2d: /* '-' */
|
||||
if(state == ST_SKIPSPACE) {
|
||||
sign = -1;
|
||||
state = ST_WAITDIGITS;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
case 0x2b: /* '+' */
|
||||
if(state == ST_SKIPSPACE) {
|
||||
state = ST_WAITDIGITS;
|
||||
continue;
|
||||
}
|
||||
break;
|
||||
case 0x30: case 0x31: case 0x32: case 0x33: case 0x34:
|
||||
case 0x35: case 0x36: case 0x37: case 0x38: case 0x39:
|
||||
switch(state) {
|
||||
case ST_DIGITS: break;
|
||||
case ST_SKIPSPHEX: /* Fall through */
|
||||
case ST_HEXDIGIT1:
|
||||
value = (lv - 0x30) << 4;
|
||||
state = ST_HEXDIGIT2;
|
||||
continue;
|
||||
case ST_HEXDIGIT2:
|
||||
value += (lv - 0x30);
|
||||
state = ST_HEXCOLON;
|
||||
st->buf[st->size++] = (uint8_t)value;
|
||||
continue;
|
||||
case ST_HEXCOLON:
|
||||
return XPBD_BROKEN_ENCODING;
|
||||
default:
|
||||
state = ST_DIGITS;
|
||||
break;
|
||||
}
|
||||
|
||||
{
|
||||
long new_value = value * 10;
|
||||
|
||||
if(new_value / 10 != value)
|
||||
/* Overflow */
|
||||
return XPBD_DECODER_LIMIT;
|
||||
|
||||
value = new_value + (lv - 0x30);
|
||||
/* Check for two's complement overflow */
|
||||
if(value < 0) {
|
||||
/* Check whether it is a LONG_MIN */
|
||||
if(sign == -1
|
||||
&& (unsigned long)value
|
||||
== ~((unsigned long)-1 >> 1)) {
|
||||
sign = 1;
|
||||
} else {
|
||||
/* Overflow */
|
||||
return XPBD_DECODER_LIMIT;
|
||||
}
|
||||
}
|
||||
}
|
||||
continue;
|
||||
case 0x3c: /* '<' */
|
||||
if(state == ST_SKIPSPACE) {
|
||||
const asn_INTEGER_enum_map_t *el;
|
||||
el = INTEGER_map_enum2value(
|
||||
(asn_INTEGER_specifics_t *)
|
||||
td->specifics, lstart, lstop);
|
||||
if(el) {
|
||||
ASN_DEBUG("Found \"%s\" => %ld",
|
||||
el->enum_name, el->nat_value);
|
||||
state = ST_DIGITS;
|
||||
value = el->nat_value;
|
||||
lp = lstop - 1;
|
||||
continue;
|
||||
}
|
||||
ASN_DEBUG("Unknown identifier for INTEGER");
|
||||
}
|
||||
return XPBD_BROKEN_ENCODING;
|
||||
case 0x3a: /* ':' */
|
||||
if(state == ST_HEXCOLON) {
|
||||
/* This colon is expected */
|
||||
state = ST_HEXDIGIT1;
|
||||
continue;
|
||||
} else if(state == ST_DIGITS) {
|
||||
/* The colon here means that we have
|
||||
* decoded the first two hexadecimal
|
||||
* places as a decimal value.
|
||||
* Switch decoding mode. */
|
||||
ASN_DEBUG("INTEGER re-evaluate as hex form");
|
||||
if(INTEGER_st_prealloc(st, (chunk_size/3) + 1))
|
||||
return XPBD_SYSTEM_FAILURE;
|
||||
state = ST_SKIPSPHEX;
|
||||
lp = lstart - 1;
|
||||
continue;
|
||||
} else {
|
||||
ASN_DEBUG("state %d at %d", state, lp - lstart);
|
||||
break;
|
||||
}
|
||||
/* [A-Fa-f] */
|
||||
case 0x41:case 0x42:case 0x43:case 0x44:case 0x45:case 0x46:
|
||||
case 0x61:case 0x62:case 0x63:case 0x64:case 0x65:case 0x66:
|
||||
switch(state) {
|
||||
case ST_SKIPSPHEX:
|
||||
case ST_SKIPSPACE: /* Fall through */
|
||||
case ST_HEXDIGIT1:
|
||||
value = lv - ((lv < 0x61) ? 0x41 : 0x61);
|
||||
value += 10;
|
||||
value <<= 4;
|
||||
state = ST_HEXDIGIT2;
|
||||
continue;
|
||||
case ST_HEXDIGIT2:
|
||||
value += lv - ((lv < 0x61) ? 0x41 : 0x61);
|
||||
value += 10;
|
||||
st->buf[st->size++] = (uint8_t)value;
|
||||
state = ST_HEXCOLON;
|
||||
continue;
|
||||
case ST_DIGITS:
|
||||
ASN_DEBUG("INTEGER re-evaluate as hex form");
|
||||
if(INTEGER_st_prealloc(st, (chunk_size/3) + 1))
|
||||
return XPBD_SYSTEM_FAILURE;
|
||||
state = ST_SKIPSPHEX;
|
||||
lp = lstart - 1;
|
||||
continue;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
/* Found extra non-numeric stuff */
|
||||
ASN_DEBUG("Found non-numeric 0x%2x at %d",
|
||||
lv, lp - lstart);
|
||||
state = ST_EXTRASTUFF;
|
||||
break;
|
||||
}
|
||||
|
||||
switch(state) {
|
||||
case ST_DIGITS:
|
||||
/* Everything is cool */
|
||||
break;
|
||||
case ST_HEXCOLON:
|
||||
st->buf[st->size] = 0; /* Just in case termination */
|
||||
return XPBD_BODY_CONSUMED;
|
||||
case ST_HEXDIGIT1:
|
||||
case ST_HEXDIGIT2:
|
||||
case ST_SKIPSPHEX:
|
||||
return XPBD_BROKEN_ENCODING;
|
||||
default:
|
||||
if(xer_is_whitespace(lp, lstop - lp)) {
|
||||
if(state != ST_EXTRASTUFF)
|
||||
return XPBD_NOT_BODY_IGNORE;
|
||||
break;
|
||||
} else {
|
||||
ASN_DEBUG("INTEGER: No useful digits (state %d)",
|
||||
state);
|
||||
return XPBD_BROKEN_ENCODING; /* No digits */
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
value *= sign; /* Change sign, if needed */
|
||||
|
||||
if(asn_long2INTEGER(st, value))
|
||||
return XPBD_SYSTEM_FAILURE;
|
||||
|
||||
return XPBD_BODY_CONSUMED;
|
||||
}
|
||||
|
||||
asn_dec_rval_t
|
||||
INTEGER_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td, void **sptr, const char *opt_mname,
|
||||
const void *buf_ptr, size_t size) {
|
||||
|
||||
return xer_decode_primitive(opt_codec_ctx, td,
|
||||
sptr, sizeof(INTEGER_t), opt_mname,
|
||||
buf_ptr, size, INTEGER__xer_body_decode);
|
||||
}
|
||||
|
||||
asn_enc_rval_t
|
||||
INTEGER_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int ilevel, enum xer_encoder_flags_e flags,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
const INTEGER_t *st = (const INTEGER_t *)sptr;
|
||||
asn_enc_rval_t er;
|
||||
|
||||
(void)ilevel;
|
||||
(void)flags;
|
||||
|
||||
if(!st || !st->buf)
|
||||
_ASN_ENCODE_FAILED;
|
||||
|
||||
er.encoded = INTEGER__dump(td, st, cb, app_key, 1);
|
||||
if(er.encoded < 0) _ASN_ENCODE_FAILED;
|
||||
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
|
||||
asn_dec_rval_t
|
||||
INTEGER_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
asn_dec_rval_t rval = { RC_OK, 0 };
|
||||
INTEGER_t *st = (INTEGER_t *)*sptr;
|
||||
asn_per_constraint_t *ct;
|
||||
int repeat;
|
||||
|
||||
(void)opt_codec_ctx;
|
||||
|
||||
if(!st) {
|
||||
st = (INTEGER_t *)(*sptr = CALLOC(1, sizeof(*st)));
|
||||
if(!st) _ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
if(!constraints) constraints = td->per_constraints;
|
||||
ct = constraints ? &constraints->value : 0;
|
||||
|
||||
if(ct && ct->flags & APC_EXTENSIBLE) {
|
||||
int inext = per_get_few_bits(pd, 1);
|
||||
if(inext < 0) _ASN_DECODE_STARVED;
|
||||
if(inext) ct = 0;
|
||||
}
|
||||
|
||||
FREEMEM(st->buf);
|
||||
st->buf = 0;
|
||||
st->size = 0;
|
||||
if(ct) {
|
||||
if(ct->flags & APC_SEMI_CONSTRAINED) {
|
||||
st->buf = (uint8_t *)CALLOC(1, 2);
|
||||
if(!st->buf) _ASN_DECODE_FAILED;
|
||||
st->size = 1;
|
||||
} else if(ct->flags & APC_CONSTRAINED && ct->range_bits >= 0) {
|
||||
size_t size = (ct->range_bits + 7) >> 3;
|
||||
st->buf = (uint8_t *)MALLOC(1 + size + 1);
|
||||
if(!st->buf) _ASN_DECODE_FAILED;
|
||||
st->size = size;
|
||||
}
|
||||
}
|
||||
|
||||
/* X.691, #12.2.2 */
|
||||
if(ct && ct->flags != APC_UNCONSTRAINED) {
|
||||
/* #10.5.6 */
|
||||
ASN_DEBUG("Integer with range %d bits", ct->range_bits);
|
||||
if(ct->range_bits >= 0) {
|
||||
long value;
|
||||
if(ct->range_bits == 32) {
|
||||
long lhalf;
|
||||
value = per_get_few_bits(pd, 16);
|
||||
if(value < 0) _ASN_DECODE_STARVED;
|
||||
lhalf = per_get_few_bits(pd, 16);
|
||||
if(lhalf < 0) _ASN_DECODE_STARVED;
|
||||
value = (value << 16) | lhalf;
|
||||
} else {
|
||||
value = per_get_few_bits(pd, ct->range_bits);
|
||||
if(value < 0) _ASN_DECODE_STARVED;
|
||||
}
|
||||
ASN_DEBUG("Got value %ld + low %ld",
|
||||
value, ct->lower_bound);
|
||||
value += ct->lower_bound;
|
||||
if((specs && specs->field_unsigned)
|
||||
? asn_ulong2INTEGER(st, value)
|
||||
: asn_long2INTEGER(st, value))
|
||||
_ASN_DECODE_FAILED;
|
||||
return rval;
|
||||
}
|
||||
} else {
|
||||
ASN_DEBUG("Decoding unconstrained integer %s", td->name);
|
||||
}
|
||||
|
||||
/* X.691, #12.2.3, #12.2.4 */
|
||||
do {
|
||||
ssize_t len;
|
||||
void *p;
|
||||
int ret;
|
||||
|
||||
/* Get the PER length */
|
||||
len = uper_get_length(pd, -1, &repeat);
|
||||
if(len < 0) _ASN_DECODE_STARVED;
|
||||
|
||||
p = REALLOC(st->buf, st->size + len + 1);
|
||||
if(!p) _ASN_DECODE_FAILED;
|
||||
st->buf = (uint8_t *)p;
|
||||
|
||||
ret = per_get_many_bits(pd, &st->buf[st->size], 0, 8 * len);
|
||||
if(ret < 0) _ASN_DECODE_STARVED;
|
||||
st->size += len;
|
||||
} while(repeat);
|
||||
st->buf[st->size] = 0; /* JIC */
|
||||
|
||||
/* #12.2.3 */
|
||||
if(ct && ct->lower_bound) {
|
||||
/*
|
||||
* TODO: replace by in-place arithmetics.
|
||||
*/
|
||||
long value;
|
||||
if(asn_INTEGER2long(st, &value))
|
||||
_ASN_DECODE_FAILED;
|
||||
if(asn_long2INTEGER(st, value + ct->lower_bound))
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
return rval;
|
||||
}
|
||||
|
||||
asn_enc_rval_t
|
||||
INTEGER_encode_uper(asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
asn_enc_rval_t er;
|
||||
INTEGER_t *st = (INTEGER_t *)sptr;
|
||||
const uint8_t *buf;
|
||||
const uint8_t *end;
|
||||
asn_per_constraint_t *ct;
|
||||
long value = 0;
|
||||
|
||||
if(!st || st->size == 0) _ASN_ENCODE_FAILED;
|
||||
|
||||
if(!constraints) constraints = td->per_constraints;
|
||||
ct = constraints ? &constraints->value : 0;
|
||||
|
||||
er.encoded = 0;
|
||||
|
||||
if(ct) {
|
||||
int inext = 0;
|
||||
if(specs && specs->field_unsigned) {
|
||||
unsigned long uval;
|
||||
if(asn_INTEGER2ulong(st, &uval))
|
||||
_ASN_ENCODE_FAILED;
|
||||
/* Check proper range */
|
||||
if(ct->flags & APC_SEMI_CONSTRAINED) {
|
||||
if(uval < (unsigned long)ct->lower_bound)
|
||||
inext = 1;
|
||||
} else if(ct->range_bits >= 0) {
|
||||
if(uval < (unsigned long)ct->lower_bound
|
||||
|| uval > (unsigned long)ct->upper_bound)
|
||||
inext = 1;
|
||||
}
|
||||
ASN_DEBUG("Value %lu (%02x/%d) lb %lu ub %lu %s",
|
||||
uval, st->buf[0], st->size,
|
||||
ct->lower_bound, ct->upper_bound,
|
||||
inext ? "ext" : "fix");
|
||||
value = uval;
|
||||
} else {
|
||||
if(asn_INTEGER2long(st, &value))
|
||||
_ASN_ENCODE_FAILED;
|
||||
/* Check proper range */
|
||||
if(ct->flags & APC_SEMI_CONSTRAINED) {
|
||||
if(value < ct->lower_bound)
|
||||
inext = 1;
|
||||
} else if(ct->range_bits >= 0) {
|
||||
if(value < ct->lower_bound
|
||||
|| value > ct->upper_bound)
|
||||
inext = 1;
|
||||
}
|
||||
ASN_DEBUG("Value %ld (%02x/%d) lb %ld ub %ld %s",
|
||||
value, st->buf[0], st->size,
|
||||
ct->lower_bound, ct->upper_bound,
|
||||
inext ? "ext" : "fix");
|
||||
}
|
||||
if(ct->flags & APC_EXTENSIBLE) {
|
||||
if(per_put_few_bits(po, inext, 1))
|
||||
_ASN_ENCODE_FAILED;
|
||||
if(inext) ct = 0;
|
||||
} else if(inext) {
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/* X.691, #12.2.2 */
|
||||
if(ct && ct->range_bits >= 0) {
|
||||
/* #10.5.6 */
|
||||
ASN_DEBUG("Encoding integer with range %d bits",
|
||||
ct->range_bits);
|
||||
if(ct->range_bits == 32) {
|
||||
/* TODO: extend to >32 bits */
|
||||
long v = value - ct->lower_bound;
|
||||
if(per_put_few_bits(po, v >> 1, 31)
|
||||
|| per_put_few_bits(po, v, 1))
|
||||
_ASN_ENCODE_FAILED;
|
||||
} else {
|
||||
if(per_put_few_bits(po, value - ct->lower_bound,
|
||||
ct->range_bits))
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
|
||||
if(ct && ct->lower_bound) {
|
||||
ASN_DEBUG("Adjust lower bound to %ld", ct->lower_bound);
|
||||
/* TODO: adjust lower bound */
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
|
||||
for(buf = st->buf, end = st->buf + st->size; buf < end;) {
|
||||
ssize_t mayEncode = uper_put_length(po, end - buf);
|
||||
if(mayEncode < 0)
|
||||
_ASN_ENCODE_FAILED;
|
||||
if(per_put_many_bits(po, buf, 8 * mayEncode))
|
||||
_ASN_ENCODE_FAILED;
|
||||
buf += mayEncode;
|
||||
}
|
||||
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
|
||||
int
|
||||
asn_INTEGER2long(const INTEGER_t *iptr, long *lptr) {
|
||||
uint8_t *b, *end;
|
||||
size_t size;
|
||||
long l;
|
||||
|
||||
/* Sanity checking */
|
||||
if(!iptr || !iptr->buf || !lptr) {
|
||||
errno = EINVAL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Cache the begin/end of the buffer */
|
||||
b = iptr->buf; /* Start of the INTEGER buffer */
|
||||
size = iptr->size;
|
||||
end = b + size; /* Where to stop */
|
||||
|
||||
if(size > sizeof(long)) {
|
||||
uint8_t *end1 = end - 1;
|
||||
/*
|
||||
* Slightly more advanced processing,
|
||||
* able to >sizeof(long) bytes,
|
||||
* when the actual value is small
|
||||
* (0x0000000000abcdef would yield a fine 0x00abcdef)
|
||||
*/
|
||||
/* Skip out the insignificant leading bytes */
|
||||
for(; b < end1; b++) {
|
||||
switch(*b) {
|
||||
case 0x00: if((b[1] & 0x80) == 0) continue; break;
|
||||
case 0xff: if((b[1] & 0x80) != 0) continue; break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
size = end - b;
|
||||
if(size > sizeof(long)) {
|
||||
/* Still cannot fit the long */
|
||||
errno = ERANGE;
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
/* Shortcut processing of a corner case */
|
||||
if(end == b) {
|
||||
*lptr = 0;
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Perform the sign initialization */
|
||||
/* Actually l = -(*b >> 7); gains nothing, yet unreadable! */
|
||||
if((*b >> 7)) l = -1; else l = 0;
|
||||
|
||||
/* Conversion engine */
|
||||
for(; b < end; b++)
|
||||
l = (l << 8) | *b;
|
||||
|
||||
*lptr = l;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
asn_INTEGER2ulong(const INTEGER_t *iptr, unsigned long *lptr) {
|
||||
uint8_t *b, *end;
|
||||
unsigned long l;
|
||||
size_t size;
|
||||
|
||||
if(!iptr || !iptr->buf || !lptr) {
|
||||
errno = EINVAL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
b = iptr->buf;
|
||||
size = iptr->size;
|
||||
end = b + size;
|
||||
|
||||
/* If all extra leading bytes are zeroes, ignore them */
|
||||
for(; size > sizeof(unsigned long); b++, size--) {
|
||||
if(*b) {
|
||||
/* Value won't fit unsigned long */
|
||||
errno = ERANGE;
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
/* Conversion engine */
|
||||
for(l = 0; b < end; b++)
|
||||
l = (l << 8) | *b;
|
||||
|
||||
*lptr = l;
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
asn_ulong2INTEGER(INTEGER_t *st, unsigned long value) {
|
||||
uint8_t *buf;
|
||||
uint8_t *end;
|
||||
uint8_t *b;
|
||||
int shr;
|
||||
|
||||
if(value <= LONG_MAX)
|
||||
return asn_long2INTEGER(st, value);
|
||||
|
||||
buf = (uint8_t *)MALLOC(1 + sizeof(value));
|
||||
if(!buf) return -1;
|
||||
|
||||
end = buf + (sizeof(value) + 1);
|
||||
buf[0] = 0;
|
||||
for(b = buf + 1, shr = (sizeof(long)-1)*8; b < end; shr -= 8, b++)
|
||||
*b = (uint8_t)(value >> shr);
|
||||
|
||||
if(st->buf) FREEMEM(st->buf);
|
||||
st->buf = buf;
|
||||
st->size = 1 + sizeof(value);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
asn_long2INTEGER(INTEGER_t *st, long value) {
|
||||
uint8_t *buf, *bp;
|
||||
uint8_t *p;
|
||||
uint8_t *pstart;
|
||||
uint8_t *pend1;
|
||||
int littleEndian = 1; /* Run-time detection */
|
||||
int add;
|
||||
|
||||
if(!st) {
|
||||
errno = EINVAL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
buf = (uint8_t *)MALLOC(sizeof(value));
|
||||
if(!buf) return -1;
|
||||
|
||||
if(*(char *)&littleEndian) {
|
||||
pstart = (uint8_t *)&value + sizeof(value) - 1;
|
||||
pend1 = (uint8_t *)&value;
|
||||
add = -1;
|
||||
} else {
|
||||
pstart = (uint8_t *)&value;
|
||||
pend1 = pstart + sizeof(value) - 1;
|
||||
add = 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* If the contents octet consists of more than one octet,
|
||||
* then bits of the first octet and bit 8 of the second octet:
|
||||
* a) shall not all be ones; and
|
||||
* b) shall not all be zero.
|
||||
*/
|
||||
for(p = pstart; p != pend1; p += add) {
|
||||
switch(*p) {
|
||||
case 0x00: if((*(p+add) & 0x80) == 0)
|
||||
continue;
|
||||
break;
|
||||
case 0xff: if((*(p+add) & 0x80))
|
||||
continue;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
/* Copy the integer body */
|
||||
for(pstart = p, bp = buf, pend1 += add; p != pend1; p += add)
|
||||
*bp++ = *p;
|
||||
|
||||
if(st->buf) FREEMEM(st->buf);
|
||||
st->buf = buf;
|
||||
st->size = bp - buf;
|
||||
|
||||
return 0;
|
||||
}
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/INTEGER.h
|
||||
Vendored
+69
@@ -0,0 +1,69 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _INTEGER_H_
|
||||
#define _INTEGER_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
#include <asn_codecs_prim.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef ASN__PRIMITIVE_TYPE_t INTEGER_t;
|
||||
|
||||
extern asn_TYPE_descriptor_t asn_DEF_INTEGER;
|
||||
|
||||
/* Map with <tag> to integer value association */
|
||||
typedef struct asn_INTEGER_enum_map_s {
|
||||
long nat_value; /* associated native integer value */
|
||||
size_t enum_len; /* strlen("tag") */
|
||||
const char *enum_name; /* "tag" */
|
||||
} asn_INTEGER_enum_map_t;
|
||||
|
||||
/* This type describes an enumeration for INTEGER and ENUMERATED types */
|
||||
typedef struct asn_INTEGER_specifics_s {
|
||||
asn_INTEGER_enum_map_t *value2enum; /* N -> "tag"; sorted by N */
|
||||
unsigned int *enum2value; /* "tag" => N; sorted by tag */
|
||||
int map_count; /* Elements in either map */
|
||||
int extension; /* This map is extensible */
|
||||
int strict_enumeration; /* Enumeration set is fixed */
|
||||
int field_width; /* Size of native integer */
|
||||
int field_unsigned; /* Signed=0, unsigned=1 */
|
||||
} asn_INTEGER_specifics_t;
|
||||
|
||||
asn_struct_print_f INTEGER_print;
|
||||
ber_type_decoder_f INTEGER_decode_ber;
|
||||
der_type_encoder_f INTEGER_encode_der;
|
||||
xer_type_decoder_f INTEGER_decode_xer;
|
||||
xer_type_encoder_f INTEGER_encode_xer;
|
||||
per_type_decoder_f INTEGER_decode_uper;
|
||||
per_type_encoder_f INTEGER_encode_uper;
|
||||
|
||||
/***********************************
|
||||
* Some handy conversion routines. *
|
||||
***********************************/
|
||||
|
||||
/*
|
||||
* Returns 0 if it was possible to convert, -1 otherwise.
|
||||
* -1/EINVAL: Mandatory argument missing
|
||||
* -1/ERANGE: Value encoded is out of range for long representation
|
||||
* -1/ENOMEM: Memory allocation failed (in asn_long2INTEGER()).
|
||||
*/
|
||||
int asn_INTEGER2long(const INTEGER_t *i, long *l);
|
||||
int asn_INTEGER2ulong(const INTEGER_t *i, unsigned long *l);
|
||||
int asn_long2INTEGER(INTEGER_t *i, long l);
|
||||
int asn_ulong2INTEGER(INTEGER_t *i, unsigned long l);
|
||||
|
||||
/*
|
||||
* Convert the integer value into the corresponding enumeration map entry.
|
||||
*/
|
||||
const asn_INTEGER_enum_map_t *INTEGER_map_value2enum(asn_INTEGER_specifics_t *specs, long value);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _INTEGER_H_ */
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/NativeEnumerated.c
|
||||
+207
@@ -0,0 +1,207 @@
|
||||
/*-
|
||||
* Copyright (c) 2004, 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
/*
|
||||
* Read the NativeInteger.h for the explanation wrt. differences between
|
||||
* INTEGER and NativeInteger.
|
||||
* Basically, both are decoders and encoders of ASN.1 INTEGER type, but this
|
||||
* implementation deals with the standard (machine-specific) representation
|
||||
* of them instead of using the platform-independent buffer.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <NativeEnumerated.h>
|
||||
|
||||
/*
|
||||
* NativeEnumerated basic type description.
|
||||
*/
|
||||
static ber_tlv_tag_t asn_DEF_NativeEnumerated_tags[] = {
|
||||
(ASN_TAG_CLASS_UNIVERSAL | (10 << 2))
|
||||
};
|
||||
asn_TYPE_descriptor_t asn_DEF_NativeEnumerated = {
|
||||
"ENUMERATED", /* The ASN.1 type is still ENUMERATED */
|
||||
"ENUMERATED",
|
||||
NativeInteger_free,
|
||||
NativeInteger_print,
|
||||
asn_generic_no_constraint,
|
||||
NativeInteger_decode_ber,
|
||||
NativeInteger_encode_der,
|
||||
NativeInteger_decode_xer,
|
||||
NativeEnumerated_encode_xer,
|
||||
NativeEnumerated_decode_uper,
|
||||
NativeEnumerated_encode_uper,
|
||||
0, /* Use generic outmost tag fetcher */
|
||||
asn_DEF_NativeEnumerated_tags,
|
||||
sizeof(asn_DEF_NativeEnumerated_tags) / sizeof(asn_DEF_NativeEnumerated_tags[0]),
|
||||
asn_DEF_NativeEnumerated_tags, /* Same as above */
|
||||
sizeof(asn_DEF_NativeEnumerated_tags) / sizeof(asn_DEF_NativeEnumerated_tags[0]),
|
||||
0, /* No PER visible constraints */
|
||||
0, 0, /* No members */
|
||||
0 /* No specifics */
|
||||
};
|
||||
|
||||
asn_enc_rval_t
|
||||
NativeEnumerated_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int ilevel, enum xer_encoder_flags_e flags,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
asn_enc_rval_t er;
|
||||
const long *native = (const long *)sptr;
|
||||
const asn_INTEGER_enum_map_t *el;
|
||||
|
||||
(void)ilevel;
|
||||
(void)flags;
|
||||
|
||||
if(!native) _ASN_ENCODE_FAILED;
|
||||
|
||||
el = INTEGER_map_value2enum(specs, *native);
|
||||
if(el) {
|
||||
size_t srcsize = el->enum_len + 5;
|
||||
char *src = (char *)alloca(srcsize);
|
||||
|
||||
er.encoded = snprintf(src, srcsize, "<%s/>", el->enum_name);
|
||||
assert(er.encoded > 0 && (size_t)er.encoded < srcsize);
|
||||
if(cb(src, er.encoded, app_key) < 0) _ASN_ENCODE_FAILED;
|
||||
_ASN_ENCODED_OK(er);
|
||||
} else {
|
||||
ASN_DEBUG("ASN.1 forbids dealing with "
|
||||
"unknown value of ENUMERATED type");
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
}
|
||||
|
||||
asn_dec_rval_t
|
||||
NativeEnumerated_decode_uper(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints,
|
||||
void **sptr, asn_per_data_t *pd) {
|
||||
asn_INTEGER_specifics_t *specs = (asn_INTEGER_specifics_t *)td->specifics;
|
||||
asn_dec_rval_t rval = { RC_OK, 0 };
|
||||
long *native = (long *)*sptr;
|
||||
asn_per_constraint_t *ct;
|
||||
long value;
|
||||
|
||||
(void)opt_codec_ctx;
|
||||
|
||||
if(constraints) ct = &constraints->value;
|
||||
else if(td->per_constraints) ct = &td->per_constraints->value;
|
||||
else _ASN_DECODE_FAILED; /* Mandatory! */
|
||||
if(!specs) _ASN_DECODE_FAILED;
|
||||
|
||||
if(!native) {
|
||||
native = (long *)(*sptr = CALLOC(1, sizeof(*native)));
|
||||
if(!native) _ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
ASN_DEBUG("Decoding %s as NativeEnumerated", td->name);
|
||||
|
||||
if(ct->flags & APC_EXTENSIBLE) {
|
||||
int inext = per_get_few_bits(pd, 1);
|
||||
if(inext < 0) _ASN_DECODE_STARVED;
|
||||
if(inext) ct = 0;
|
||||
}
|
||||
|
||||
if(ct && ct->range_bits >= 0) {
|
||||
value = per_get_few_bits(pd, ct->range_bits);
|
||||
if(value < 0) _ASN_DECODE_STARVED;
|
||||
if(value >= (specs->extension
|
||||
? specs->extension - 1 : specs->map_count))
|
||||
_ASN_DECODE_FAILED;
|
||||
} else {
|
||||
if(!specs->extension)
|
||||
_ASN_DECODE_FAILED;
|
||||
/*
|
||||
* X.691, #10.6: normally small non-negative whole number;
|
||||
*/
|
||||
value = uper_get_nsnnwn(pd);
|
||||
if(value < 0) _ASN_DECODE_STARVED;
|
||||
value += specs->extension - 1;
|
||||
if(value >= specs->map_count)
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
*native = specs->value2enum[value].nat_value;
|
||||
ASN_DEBUG("Decoded %s = %ld", td->name, *native);
|
||||
|
||||
return rval;
|
||||
}
|
||||
|
||||
static int
|
||||
NativeEnumerated__compar_value2enum(const void *ap, const void *bp) {
|
||||
const asn_INTEGER_enum_map_t *a = ap;
|
||||
const asn_INTEGER_enum_map_t *b = bp;
|
||||
if(a->nat_value == b->nat_value)
|
||||
return 0;
|
||||
if(a->nat_value < b->nat_value)
|
||||
return -1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
asn_enc_rval_t
|
||||
NativeEnumerated_encode_uper(asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
|
||||
asn_INTEGER_specifics_t *specs = (asn_INTEGER_specifics_t *)td->specifics;
|
||||
asn_enc_rval_t er;
|
||||
long native, value;
|
||||
asn_per_constraint_t *ct;
|
||||
int inext = 0;
|
||||
asn_INTEGER_enum_map_t key;
|
||||
asn_INTEGER_enum_map_t *kf;
|
||||
|
||||
if(!sptr) _ASN_ENCODE_FAILED;
|
||||
if(!specs) _ASN_ENCODE_FAILED;
|
||||
|
||||
if(constraints) ct = &constraints->value;
|
||||
else if(td->per_constraints) ct = &td->per_constraints->value;
|
||||
else _ASN_ENCODE_FAILED; /* Mandatory! */
|
||||
|
||||
ASN_DEBUG("Encoding %s as NativeEnumerated", td->name);
|
||||
|
||||
er.encoded = 0;
|
||||
|
||||
native = *(long *)sptr;
|
||||
if(native < 0) _ASN_ENCODE_FAILED;
|
||||
|
||||
key.nat_value = native;
|
||||
kf = bsearch(&key, specs->value2enum, specs->map_count,
|
||||
sizeof(key), NativeEnumerated__compar_value2enum);
|
||||
if(!kf) {
|
||||
ASN_DEBUG("No element corresponds to %ld", native);
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
value = kf - specs->value2enum;
|
||||
|
||||
if(ct->range_bits >= 0) {
|
||||
int cmpWith = specs->extension
|
||||
? specs->extension - 1 : specs->map_count;
|
||||
if(value >= cmpWith)
|
||||
inext = 1;
|
||||
}
|
||||
if(ct->flags & APC_EXTENSIBLE) {
|
||||
if(per_put_few_bits(po, inext, 1))
|
||||
_ASN_ENCODE_FAILED;
|
||||
if(inext) ct = 0;
|
||||
} else if(inext) {
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
|
||||
if(ct && ct->range_bits >= 0) {
|
||||
if(per_put_few_bits(po, value, ct->range_bits))
|
||||
_ASN_ENCODE_FAILED;
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
|
||||
if(!specs->extension)
|
||||
_ASN_ENCODE_FAILED;
|
||||
|
||||
/*
|
||||
* X.691, #10.6: normally small non-negative whole number;
|
||||
*/
|
||||
ASN_DEBUG("value = %ld, ext = %d, inext = %d, res = %ld",
|
||||
value, specs->extension, inext,
|
||||
value - (inext ? (specs->extension - 1) : 0));
|
||||
if(uper_put_nsnnwn(po, value - (inext ? (specs->extension - 1) : 0)))
|
||||
_ASN_ENCODE_FAILED;
|
||||
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/NativeEnumerated.h
|
||||
+32
@@ -0,0 +1,32 @@
|
||||
/*-
|
||||
* Copyright (c) 2004, 2005, 2006 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
/*
|
||||
* This type differs from the standard ENUMERATED in that it is modelled using
|
||||
* the fixed machine type (long, int, short), so it can hold only values of
|
||||
* limited length. There is no type (i.e., NativeEnumerated_t, any integer type
|
||||
* will do).
|
||||
* This type may be used when integer range is limited by subtype constraints.
|
||||
*/
|
||||
#ifndef _NativeEnumerated_H_
|
||||
#define _NativeEnumerated_H_
|
||||
|
||||
#include <NativeInteger.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern asn_TYPE_descriptor_t asn_DEF_NativeEnumerated;
|
||||
|
||||
xer_type_encoder_f NativeEnumerated_encode_xer;
|
||||
per_type_decoder_f NativeEnumerated_decode_uper;
|
||||
per_type_encoder_f NativeEnumerated_encode_uper;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _NativeEnumerated_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/NativeInteger.c
|
||||
Vendored
+332
@@ -0,0 +1,332 @@
|
||||
/*-
|
||||
* Copyright (c) 2004, 2005, 2006 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
/*
|
||||
* Read the NativeInteger.h for the explanation wrt. differences between
|
||||
* INTEGER and NativeInteger.
|
||||
* Basically, both are decoders and encoders of ASN.1 INTEGER type, but this
|
||||
* implementation deals with the standard (machine-specific) representation
|
||||
* of them instead of using the platform-independent buffer.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <NativeInteger.h>
|
||||
|
||||
/*
|
||||
* NativeInteger basic type description.
|
||||
*/
|
||||
static ber_tlv_tag_t asn_DEF_NativeInteger_tags[] = {
|
||||
(ASN_TAG_CLASS_UNIVERSAL | (2 << 2))
|
||||
};
|
||||
asn_TYPE_descriptor_t asn_DEF_NativeInteger = {
|
||||
"INTEGER", /* The ASN.1 type is still INTEGER */
|
||||
"INTEGER",
|
||||
NativeInteger_free,
|
||||
NativeInteger_print,
|
||||
asn_generic_no_constraint,
|
||||
NativeInteger_decode_ber,
|
||||
NativeInteger_encode_der,
|
||||
NativeInteger_decode_xer,
|
||||
NativeInteger_encode_xer,
|
||||
NativeInteger_decode_uper, /* Unaligned PER decoder */
|
||||
NativeInteger_encode_uper, /* Unaligned PER encoder */
|
||||
0, /* Use generic outmost tag fetcher */
|
||||
asn_DEF_NativeInteger_tags,
|
||||
sizeof(asn_DEF_NativeInteger_tags) / sizeof(asn_DEF_NativeInteger_tags[0]),
|
||||
asn_DEF_NativeInteger_tags, /* Same as above */
|
||||
sizeof(asn_DEF_NativeInteger_tags) / sizeof(asn_DEF_NativeInteger_tags[0]),
|
||||
0, /* No PER visible constraints */
|
||||
0, 0, /* No members */
|
||||
0 /* No specifics */
|
||||
};
|
||||
|
||||
/*
|
||||
* Decode INTEGER type.
|
||||
*/
|
||||
asn_dec_rval_t
|
||||
NativeInteger_decode_ber(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td,
|
||||
void **nint_ptr, const void *buf_ptr, size_t size, int tag_mode) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
long *native = (long *)*nint_ptr;
|
||||
asn_dec_rval_t rval;
|
||||
ber_tlv_len_t length;
|
||||
|
||||
/*
|
||||
* If the structure is not there, allocate it.
|
||||
*/
|
||||
if(native == NULL) {
|
||||
native = (long *)(*nint_ptr = CALLOC(1, sizeof(*native)));
|
||||
if(native == NULL) {
|
||||
rval.code = RC_FAIL;
|
||||
rval.consumed = 0;
|
||||
return rval;
|
||||
}
|
||||
}
|
||||
|
||||
ASN_DEBUG("Decoding %s as INTEGER (tm=%d)",
|
||||
td->name, tag_mode);
|
||||
|
||||
/*
|
||||
* Check tags.
|
||||
*/
|
||||
rval = ber_check_tags(opt_codec_ctx, td, 0, buf_ptr, size,
|
||||
tag_mode, 0, &length, 0);
|
||||
if(rval.code != RC_OK)
|
||||
return rval;
|
||||
|
||||
ASN_DEBUG("%s length is %d bytes", td->name, (int)length);
|
||||
|
||||
/*
|
||||
* Make sure we have this length.
|
||||
*/
|
||||
buf_ptr = ((const char *)buf_ptr) + rval.consumed;
|
||||
size -= rval.consumed;
|
||||
if(length > (ber_tlv_len_t)size) {
|
||||
rval.code = RC_WMORE;
|
||||
rval.consumed = 0;
|
||||
return rval;
|
||||
}
|
||||
|
||||
/*
|
||||
* ASN.1 encoded INTEGER: buf_ptr, length
|
||||
* Fill the native, at the same time checking for overflow.
|
||||
* If overflow occured, return with RC_FAIL.
|
||||
*/
|
||||
{
|
||||
INTEGER_t tmp;
|
||||
union {
|
||||
const void *constbuf;
|
||||
void *nonconstbuf;
|
||||
} unconst_buf;
|
||||
long l;
|
||||
|
||||
unconst_buf.constbuf = buf_ptr;
|
||||
tmp.buf = (uint8_t *)unconst_buf.nonconstbuf;
|
||||
tmp.size = length;
|
||||
|
||||
if((specs&&specs->field_unsigned)
|
||||
? asn_INTEGER2ulong(&tmp, &l)
|
||||
: asn_INTEGER2long(&tmp, &l)) {
|
||||
rval.code = RC_FAIL;
|
||||
rval.consumed = 0;
|
||||
return rval;
|
||||
}
|
||||
|
||||
*native = l;
|
||||
}
|
||||
|
||||
rval.code = RC_OK;
|
||||
rval.consumed += length;
|
||||
|
||||
ASN_DEBUG("Took %ld/%ld bytes to encode %s (%ld)",
|
||||
(long)rval.consumed, (long)length, td->name, (long)*native);
|
||||
|
||||
return rval;
|
||||
}
|
||||
|
||||
/*
|
||||
* Encode the NativeInteger using the standard INTEGER type DER encoder.
|
||||
*/
|
||||
asn_enc_rval_t
|
||||
NativeInteger_encode_der(asn_TYPE_descriptor_t *sd, void *ptr,
|
||||
int tag_mode, ber_tlv_tag_t tag,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
unsigned long native = *(unsigned long *)ptr; /* Disable sign ext. */
|
||||
asn_enc_rval_t erval;
|
||||
INTEGER_t tmp;
|
||||
|
||||
#ifdef WORDS_BIGENDIAN /* Opportunistic optimization */
|
||||
|
||||
tmp.buf = (uint8_t *)&native;
|
||||
tmp.size = sizeof(native);
|
||||
|
||||
#else /* Works even if WORDS_BIGENDIAN is not set where should've been */
|
||||
uint8_t buf[sizeof(native)];
|
||||
uint8_t *p;
|
||||
|
||||
/* Prepare a fake INTEGER */
|
||||
for(p = buf + sizeof(buf) - 1; p >= buf; p--, native >>= 8)
|
||||
*p = (uint8_t)native;
|
||||
|
||||
tmp.buf = buf;
|
||||
tmp.size = sizeof(buf);
|
||||
#endif /* WORDS_BIGENDIAN */
|
||||
|
||||
/* Encode fake INTEGER */
|
||||
erval = INTEGER_encode_der(sd, &tmp, tag_mode, tag, cb, app_key);
|
||||
if(erval.encoded == -1) {
|
||||
assert(erval.structure_ptr == &tmp);
|
||||
erval.structure_ptr = ptr;
|
||||
}
|
||||
return erval;
|
||||
}
|
||||
|
||||
/*
|
||||
* Decode the chunk of XML text encoding INTEGER.
|
||||
*/
|
||||
asn_dec_rval_t
|
||||
NativeInteger_decode_xer(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td, void **sptr, const char *opt_mname,
|
||||
const void *buf_ptr, size_t size) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
asn_dec_rval_t rval;
|
||||
INTEGER_t st;
|
||||
void *st_ptr = (void *)&st;
|
||||
long *native = (long *)*sptr;
|
||||
|
||||
if(!native) {
|
||||
native = (long *)(*sptr = CALLOC(1, sizeof(*native)));
|
||||
if(!native) _ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
memset(&st, 0, sizeof(st));
|
||||
rval = INTEGER_decode_xer(opt_codec_ctx, td, &st_ptr,
|
||||
opt_mname, buf_ptr, size);
|
||||
if(rval.code == RC_OK) {
|
||||
long l;
|
||||
if((specs&&specs->field_unsigned)
|
||||
? asn_INTEGER2ulong(&st, &l)
|
||||
: asn_INTEGER2long(&st, &l)) {
|
||||
rval.code = RC_FAIL;
|
||||
rval.consumed = 0;
|
||||
} else {
|
||||
*native = l;
|
||||
}
|
||||
} else {
|
||||
/*
|
||||
* Cannot restart from the middle;
|
||||
* there is no place to save state in the native type.
|
||||
* Request a continuation from the very beginning.
|
||||
*/
|
||||
rval.consumed = 0;
|
||||
}
|
||||
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &st);
|
||||
return rval;
|
||||
}
|
||||
|
||||
|
||||
asn_enc_rval_t
|
||||
NativeInteger_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int ilevel, enum xer_encoder_flags_e flags,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
char scratch[32]; /* Enough for 64-bit int */
|
||||
asn_enc_rval_t er;
|
||||
const long *native = (const long *)sptr;
|
||||
|
||||
(void)ilevel;
|
||||
(void)flags;
|
||||
|
||||
if(!native) _ASN_ENCODE_FAILED;
|
||||
|
||||
er.encoded = snprintf(scratch, sizeof(scratch),
|
||||
(specs && specs->field_unsigned)
|
||||
? "%lu" : "%ld", *native);
|
||||
if(er.encoded <= 0 || (size_t)er.encoded >= sizeof(scratch)
|
||||
|| cb(scratch, er.encoded, app_key) < 0)
|
||||
_ASN_ENCODE_FAILED;
|
||||
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
|
||||
asn_dec_rval_t
|
||||
NativeInteger_decode_uper(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
|
||||
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
asn_dec_rval_t rval;
|
||||
long *native = (long *)*sptr;
|
||||
INTEGER_t tmpint;
|
||||
void *tmpintptr = &tmpint;
|
||||
|
||||
(void)opt_codec_ctx;
|
||||
ASN_DEBUG("Decoding NativeInteger %s (UPER)", td->name);
|
||||
|
||||
if(!native) {
|
||||
native = (long *)(*sptr = CALLOC(1, sizeof(*native)));
|
||||
if(!native) _ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
memset(&tmpint, 0, sizeof tmpint);
|
||||
rval = INTEGER_decode_uper(opt_codec_ctx, td, constraints,
|
||||
&tmpintptr, pd);
|
||||
if(rval.code == RC_OK) {
|
||||
if((specs&&specs->field_unsigned)
|
||||
? asn_INTEGER2ulong(&tmpint, native)
|
||||
: asn_INTEGER2long(&tmpint, native))
|
||||
rval.code = RC_FAIL;
|
||||
else
|
||||
ASN_DEBUG("NativeInteger %s got value %ld",
|
||||
td->name, *native);
|
||||
}
|
||||
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &tmpint);
|
||||
|
||||
return rval;
|
||||
}
|
||||
|
||||
asn_enc_rval_t
|
||||
NativeInteger_encode_uper(asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
asn_enc_rval_t er;
|
||||
long native;
|
||||
INTEGER_t tmpint;
|
||||
|
||||
if(!sptr) _ASN_ENCODE_FAILED;
|
||||
|
||||
native = *(long *)sptr;
|
||||
|
||||
ASN_DEBUG("Encoding NativeInteger %s %ld (UPER)", td->name, native);
|
||||
|
||||
memset(&tmpint, 0, sizeof(tmpint));
|
||||
if((specs&&specs->field_unsigned)
|
||||
? asn_ulong2INTEGER(&tmpint, native)
|
||||
: asn_long2INTEGER(&tmpint, native))
|
||||
_ASN_ENCODE_FAILED;
|
||||
er = INTEGER_encode_uper(td, constraints, &tmpint, po);
|
||||
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_INTEGER, &tmpint);
|
||||
return er;
|
||||
}
|
||||
|
||||
/*
|
||||
* INTEGER specific human-readable output.
|
||||
*/
|
||||
int
|
||||
NativeInteger_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_INTEGER_specifics_t *specs=(asn_INTEGER_specifics_t *)td->specifics;
|
||||
const long *native = (const long *)sptr;
|
||||
char scratch[32]; /* Enough for 64-bit int */
|
||||
int ret;
|
||||
|
||||
(void)td; /* Unused argument */
|
||||
(void)ilevel; /* Unused argument */
|
||||
|
||||
if(native) {
|
||||
ret = snprintf(scratch, sizeof(scratch),
|
||||
(specs && specs->field_unsigned)
|
||||
? "%lu" : "%ld", *native);
|
||||
assert(ret > 0 && (size_t)ret < sizeof(scratch));
|
||||
return (cb(scratch, ret, app_key) < 0) ? -1 : 0;
|
||||
} else {
|
||||
return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
|
||||
}
|
||||
}
|
||||
|
||||
void
|
||||
NativeInteger_free(asn_TYPE_descriptor_t *td, void *ptr, int contents_only) {
|
||||
|
||||
if(!td || !ptr)
|
||||
return;
|
||||
|
||||
ASN_DEBUG("Freeing %s as INTEGER (%d, %p, Native)",
|
||||
td->name, contents_only, ptr);
|
||||
|
||||
if(!contents_only) {
|
||||
FREEMEM(ptr);
|
||||
}
|
||||
}
|
||||
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/NativeInteger.h
|
||||
Vendored
+37
@@ -0,0 +1,37 @@
|
||||
/*-
|
||||
* Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
/*
|
||||
* This type differs from the standard INTEGER in that it is modelled using
|
||||
* the fixed machine type (long, int, short), so it can hold only values of
|
||||
* limited length. There is no type (i.e., NativeInteger_t, any integer type
|
||||
* will do).
|
||||
* This type may be used when integer range is limited by subtype constraints.
|
||||
*/
|
||||
#ifndef _NativeInteger_H_
|
||||
#define _NativeInteger_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
#include <INTEGER.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
extern asn_TYPE_descriptor_t asn_DEF_NativeInteger;
|
||||
|
||||
asn_struct_free_f NativeInteger_free;
|
||||
asn_struct_print_f NativeInteger_print;
|
||||
ber_type_decoder_f NativeInteger_decode_ber;
|
||||
der_type_encoder_f NativeInteger_encode_der;
|
||||
xer_type_decoder_f NativeInteger_decode_xer;
|
||||
xer_type_encoder_f NativeInteger_encode_xer;
|
||||
per_type_decoder_f NativeInteger_decode_uper;
|
||||
per_type_encoder_f NativeInteger_encode_uper;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _NativeInteger_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/OCTET_STRING.c
|
||||
Vendored
+1805
File diff suppressed because it is too large
Load Diff
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/OCTET_STRING.h
|
||||
Vendored
+86
@@ -0,0 +1,86 @@
|
||||
/*-
|
||||
* Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _OCTET_STRING_H_
|
||||
#define _OCTET_STRING_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct OCTET_STRING {
|
||||
uint8_t *buf; /* Buffer with consecutive OCTET_STRING bits */
|
||||
int size; /* Size of the buffer */
|
||||
|
||||
asn_struct_ctx_t _asn_ctx; /* Parsing across buffer boundaries */
|
||||
} OCTET_STRING_t;
|
||||
|
||||
extern asn_TYPE_descriptor_t asn_DEF_OCTET_STRING;
|
||||
|
||||
asn_struct_free_f OCTET_STRING_free;
|
||||
asn_struct_print_f OCTET_STRING_print;
|
||||
asn_struct_print_f OCTET_STRING_print_utf8;
|
||||
ber_type_decoder_f OCTET_STRING_decode_ber;
|
||||
der_type_encoder_f OCTET_STRING_encode_der;
|
||||
xer_type_decoder_f OCTET_STRING_decode_xer_hex; /* Hexadecimal */
|
||||
xer_type_decoder_f OCTET_STRING_decode_xer_binary; /* 01010111010 */
|
||||
xer_type_decoder_f OCTET_STRING_decode_xer_utf8; /* ASCII/UTF-8 */
|
||||
xer_type_encoder_f OCTET_STRING_encode_xer;
|
||||
xer_type_encoder_f OCTET_STRING_encode_xer_utf8;
|
||||
per_type_decoder_f OCTET_STRING_decode_uper;
|
||||
per_type_encoder_f OCTET_STRING_encode_uper;
|
||||
|
||||
/******************************
|
||||
* Handy conversion routines. *
|
||||
******************************/
|
||||
|
||||
/*
|
||||
* This function clears the previous value of the OCTET STRING (if any)
|
||||
* and then allocates a new memory with the specified content (str/size).
|
||||
* If size = -1, the size of the original string will be determined
|
||||
* using strlen(str).
|
||||
* If str equals to NULL, the function will silently clear the
|
||||
* current contents of the OCTET STRING.
|
||||
* Returns 0 if it was possible to perform operation, -1 otherwise.
|
||||
*/
|
||||
int OCTET_STRING_fromBuf(OCTET_STRING_t *s, const char *str, int size);
|
||||
|
||||
/* Handy conversion from the C string into the OCTET STRING. */
|
||||
#define OCTET_STRING_fromString(s, str) OCTET_STRING_fromBuf(s, str, -1)
|
||||
|
||||
/*
|
||||
* Allocate and fill the new OCTET STRING and return a pointer to the newly
|
||||
* allocated object. NULL is permitted in str: the function will just allocate
|
||||
* empty OCTET STRING.
|
||||
*/
|
||||
OCTET_STRING_t *OCTET_STRING_new_fromBuf(asn_TYPE_descriptor_t *td,
|
||||
const char *str, int size);
|
||||
|
||||
/****************************
|
||||
* Internally useful stuff. *
|
||||
****************************/
|
||||
|
||||
typedef struct asn_OCTET_STRING_specifics_s {
|
||||
/*
|
||||
* Target structure description.
|
||||
*/
|
||||
int struct_size; /* Size of the structure */
|
||||
int ctx_offset; /* Offset of the asn_struct_ctx_t member */
|
||||
|
||||
enum asn_OS_Subvariant {
|
||||
ASN_OSUBV_ANY, /* The open type (ANY) */
|
||||
ASN_OSUBV_BIT, /* BIT STRING */
|
||||
ASN_OSUBV_STR, /* String types, not {BMP,Universal}String */
|
||||
ASN_OSUBV_U16, /* 16-bit character (BMPString) */
|
||||
ASN_OSUBV_U32 /* 32-bit character (UniversalString) */
|
||||
} subvariant;
|
||||
} asn_OCTET_STRING_specifics_t;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _OCTET_STRING_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/UTF8String.c
|
||||
Vendored
+184
@@ -0,0 +1,184 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2006 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <UTF8String.h>
|
||||
|
||||
/*
|
||||
* UTF8String basic type description.
|
||||
*/
|
||||
static ber_tlv_tag_t asn_DEF_UTF8String_tags[] = {
|
||||
(ASN_TAG_CLASS_UNIVERSAL | (12 << 2)), /* [UNIVERSAL 12] IMPLICIT ...*/
|
||||
(ASN_TAG_CLASS_UNIVERSAL | (4 << 2)), /* ... OCTET STRING */
|
||||
};
|
||||
asn_TYPE_descriptor_t asn_DEF_UTF8String = {
|
||||
"UTF8String",
|
||||
"UTF8String",
|
||||
OCTET_STRING_free,
|
||||
UTF8String_print,
|
||||
UTF8String_constraint, /* Check for invalid codes, etc. */
|
||||
OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */
|
||||
OCTET_STRING_encode_der,
|
||||
OCTET_STRING_decode_xer_utf8,
|
||||
OCTET_STRING_encode_xer_utf8,
|
||||
OCTET_STRING_decode_uper,
|
||||
OCTET_STRING_encode_uper,
|
||||
0, /* Use generic outmost tag fetcher */
|
||||
asn_DEF_UTF8String_tags,
|
||||
sizeof(asn_DEF_UTF8String_tags)
|
||||
/ sizeof(asn_DEF_UTF8String_tags[0]) - 1,
|
||||
asn_DEF_UTF8String_tags,
|
||||
sizeof(asn_DEF_UTF8String_tags)
|
||||
/ sizeof(asn_DEF_UTF8String_tags[0]),
|
||||
0, /* No PER visible constraints */
|
||||
0, 0, /* No members */
|
||||
0 /* No specifics */
|
||||
};
|
||||
|
||||
/*
|
||||
* This is the table of length expectations.
|
||||
* The second half of this table is only applicable to the long sequences.
|
||||
*/
|
||||
static int UTF8String_ht[2][16] = {
|
||||
{ /* 0x0 ... 0x7 */
|
||||
/* 0000..0111 */
|
||||
1, 1, 1, 1, 1, 1, 1, 1,
|
||||
/* 1000..1011(0), 1100..1101(2), 1110(3), 1111(-1) */
|
||||
0, 0, 0, 0, 2, 2, 3, -1 },
|
||||
{ /* 0xF0 .. 0xF7 */
|
||||
/* 11110000..11110111 */
|
||||
4, 4, 4, 4, 4, 4, 4, 4,
|
||||
5, 5, 5, 5, 6, 6, -1, -1 }
|
||||
};
|
||||
static int32_t UTF8String_mv[7] = { 0, 0,
|
||||
0x00000080,
|
||||
0x00000800,
|
||||
0x00010000,
|
||||
0x00200000,
|
||||
0x04000000
|
||||
};
|
||||
|
||||
/* Internal aliases for return codes */
|
||||
#define U8E_TRUNC -1 /* UTF-8 sequence truncated */
|
||||
#define U8E_ILLSTART -2 /* Illegal UTF-8 sequence start */
|
||||
#define U8E_NOTCONT -3 /* Continuation expectation failed */
|
||||
#define U8E_NOTMIN -4 /* Not minimal length encoding */
|
||||
#define U8E_EINVAL -5 /* Invalid arguments */
|
||||
|
||||
int
|
||||
UTF8String_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
|
||||
asn_app_constraint_failed_f *ctfailcb, void *app_key) {
|
||||
ssize_t len = UTF8String_length((const UTF8String_t *)sptr);
|
||||
switch(len) {
|
||||
case U8E_EINVAL:
|
||||
_ASN_CTFAIL(app_key, td, sptr,
|
||||
"%s: value not given", td->name);
|
||||
break;
|
||||
case U8E_TRUNC:
|
||||
_ASN_CTFAIL(app_key, td, sptr,
|
||||
"%s: truncated UTF-8 sequence (%s:%d)",
|
||||
td->name, __FILE__, __LINE__);
|
||||
break;
|
||||
case U8E_ILLSTART:
|
||||
_ASN_CTFAIL(app_key, td, sptr,
|
||||
"%s: UTF-8 illegal start of encoding (%s:%d)",
|
||||
td->name, __FILE__, __LINE__);
|
||||
break;
|
||||
case U8E_NOTCONT:
|
||||
_ASN_CTFAIL(app_key, td, sptr,
|
||||
"%s: UTF-8 not continuation (%s:%d)",
|
||||
td->name, __FILE__, __LINE__);
|
||||
break;
|
||||
case U8E_NOTMIN:
|
||||
_ASN_CTFAIL(app_key, td, sptr,
|
||||
"%s: UTF-8 not minimal sequence (%s:%d)",
|
||||
td->name, __FILE__, __LINE__);
|
||||
break;
|
||||
}
|
||||
return (len < 0) ? -1 : 0;
|
||||
}
|
||||
|
||||
static ssize_t
|
||||
UTF8String__process(const UTF8String_t *st, uint32_t *dst, size_t dstlen) {
|
||||
size_t length;
|
||||
uint8_t *buf = st->buf;
|
||||
uint8_t *end = buf + st->size;
|
||||
uint32_t *dstend = dst + dstlen;
|
||||
|
||||
for(length = 0; buf < end; length++) {
|
||||
int ch = *buf;
|
||||
uint8_t *cend;
|
||||
int32_t value;
|
||||
int want;
|
||||
|
||||
/* Compute the sequence length */
|
||||
want = UTF8String_ht[0][ch >> 4];
|
||||
switch(want) {
|
||||
case -1:
|
||||
/* Second half of the table, long sequence */
|
||||
want = UTF8String_ht[1][ch & 0x0F];
|
||||
if(want != -1) break;
|
||||
/* Fall through */
|
||||
case 0:
|
||||
return U8E_ILLSTART;
|
||||
}
|
||||
|
||||
/* assert(want >= 1 && want <= 6) */
|
||||
|
||||
/* Check character sequence length */
|
||||
if(buf + want > end) return U8E_TRUNC;
|
||||
|
||||
value = ch & (0xff >> want);
|
||||
cend = buf + want;
|
||||
for(buf++; buf < cend; buf++) {
|
||||
ch = *buf;
|
||||
if(ch < 0x80 || ch > 0xbf) return U8E_NOTCONT;
|
||||
value = (value << 6) | (ch & 0x3F);
|
||||
}
|
||||
if(value < UTF8String_mv[want])
|
||||
return U8E_NOTMIN;
|
||||
if(dst < dstend)
|
||||
*dst++ = value; /* Record value */
|
||||
}
|
||||
|
||||
if(dst < dstend) *dst = 0; /* zero-terminate */
|
||||
|
||||
return length;
|
||||
}
|
||||
|
||||
|
||||
ssize_t
|
||||
UTF8String_length(const UTF8String_t *st) {
|
||||
if(st && st->buf) {
|
||||
return UTF8String__process(st, 0, 0);
|
||||
} else {
|
||||
return U8E_EINVAL;
|
||||
}
|
||||
}
|
||||
|
||||
size_t
|
||||
UTF8String_to_wcs(const UTF8String_t *st, uint32_t *dst, size_t dstlen) {
|
||||
if(st && st->buf) {
|
||||
ssize_t ret = UTF8String__process(st, dst, dstlen);
|
||||
return (ret < 0) ? 0 : ret;
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
UTF8String_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
const UTF8String_t *st = (const UTF8String_t *)sptr;
|
||||
|
||||
(void)td; /* Unused argument */
|
||||
(void)ilevel; /* Unused argument */
|
||||
|
||||
if(st && st->buf) {
|
||||
return (cb(st->buf, st->size, app_key) < 0) ? -1 : 0;
|
||||
} else {
|
||||
return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
|
||||
}
|
||||
}
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/UTF8String.h
|
||||
Vendored
+49
@@ -0,0 +1,49 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _UTF8String_H_
|
||||
#define _UTF8String_H_
|
||||
|
||||
#include <OCTET_STRING.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef OCTET_STRING_t UTF8String_t; /* Implemented via OCTET STRING */
|
||||
|
||||
extern asn_TYPE_descriptor_t asn_DEF_UTF8String;
|
||||
|
||||
asn_struct_print_f UTF8String_print;
|
||||
asn_constr_check_f UTF8String_constraint;
|
||||
|
||||
/*
|
||||
* Returns length of the given UTF-8 string in characters,
|
||||
* or a negative error code:
|
||||
* -1: UTF-8 sequence truncated
|
||||
* -2: Illegal UTF-8 sequence start
|
||||
* -3: Continuation expectation failed
|
||||
* -4: Not minimal length encoding
|
||||
* -5: Invalid arguments
|
||||
*/
|
||||
ssize_t UTF8String_length(const UTF8String_t *st);
|
||||
|
||||
/*
|
||||
* Convert the UTF-8 string into a sequence of wide characters.
|
||||
* Returns the number of characters necessary.
|
||||
* Returned value might be greater than dstlen.
|
||||
* In case of conversion error, 0 is returned.
|
||||
*
|
||||
* If st points to a valid UTF-8 string, calling
|
||||
* UTF8String_to_wcs(st, 0, 0);
|
||||
* is equivalent to
|
||||
* UTF8String_length(const UTF8String_t *st);
|
||||
*/
|
||||
size_t UTF8String_to_wcs(const UTF8String_t *st, uint32_t *dst, size_t dstlen);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _UTF8String_H_ */
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_SEQUENCE_OF.c
|
||||
+41
@@ -0,0 +1,41 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <asn_SEQUENCE_OF.h>
|
||||
|
||||
typedef A_SEQUENCE_OF(void) asn_sequence;
|
||||
|
||||
void
|
||||
asn_sequence_del(void *asn_sequence_of_x, int number, int _do_free) {
|
||||
asn_sequence *as = (asn_sequence *)asn_sequence_of_x;
|
||||
|
||||
if(as) {
|
||||
void *ptr;
|
||||
int n;
|
||||
|
||||
if(number < 0 || number >= as->count)
|
||||
return; /* Nothing to delete */
|
||||
|
||||
if(_do_free && as->free) {
|
||||
ptr = as->array[number];
|
||||
} else {
|
||||
ptr = 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Shift all elements to the left to hide the gap.
|
||||
*/
|
||||
--as->count;
|
||||
for(n = number; n < as->count; n++)
|
||||
as->array[n] = as->array[n+1];
|
||||
|
||||
/*
|
||||
* Invoke the third-party function only when the state
|
||||
* of the parent structure is consistent.
|
||||
*/
|
||||
if(ptr) as->free(ptr);
|
||||
}
|
||||
}
|
||||
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_SEQUENCE_OF.h
|
||||
+52
@@ -0,0 +1,52 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef ASN_SEQUENCE_OF_H
|
||||
#define ASN_SEQUENCE_OF_H
|
||||
|
||||
#include <asn_SET_OF.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* SEQUENCE OF is the same as SET OF with a tiny difference:
|
||||
* the delete operation preserves the initial order of elements
|
||||
* and thus MAY operate in non-constant time.
|
||||
*/
|
||||
#define A_SEQUENCE_OF(type) A_SET_OF(type)
|
||||
|
||||
#define ASN_SEQUENCE_ADD(headptr, ptr) \
|
||||
asn_sequence_add((headptr), (ptr))
|
||||
|
||||
/***********************************************
|
||||
* Implementation of the SEQUENCE OF structure.
|
||||
*/
|
||||
|
||||
#define asn_sequence_add asn_set_add
|
||||
#define asn_sequence_empty asn_set_empty
|
||||
|
||||
/*
|
||||
* Delete the element from the set by its number (base 0).
|
||||
* This is NOT a constant-time operation.
|
||||
* The order of elements is preserved.
|
||||
* If _do_free is given AND the (*free) is initialized, the element
|
||||
* will be freed using the custom (*free) function as well.
|
||||
*/
|
||||
void asn_sequence_del(void *asn_sequence_of_x, int number, int _do_free);
|
||||
|
||||
/*
|
||||
* Cope with different conversions requirements to/from void in C and C++.
|
||||
* This is mostly useful for support library.
|
||||
*/
|
||||
typedef A_SEQUENCE_OF(void) asn_anonymous_sequence_;
|
||||
#define _A_SEQUENCE_FROM_VOID(ptr) ((asn_anonymous_sequence_ *)(ptr))
|
||||
#define _A_CSEQUENCE_FROM_VOID(ptr) ((const asn_anonymous_sequence_ *)(ptr))
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* ASN_SEQUENCE_OF_H */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_SET_OF.c
|
||||
Vendored
+88
@@ -0,0 +1,88 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <asn_SET_OF.h>
|
||||
#include <errno.h>
|
||||
|
||||
/*
|
||||
* Add another element into the set.
|
||||
*/
|
||||
int
|
||||
asn_set_add(void *asn_set_of_x, void *ptr) {
|
||||
asn_anonymous_set_ *as = _A_SET_FROM_VOID(asn_set_of_x);
|
||||
|
||||
if(as == 0 || ptr == 0) {
|
||||
errno = EINVAL; /* Invalid arguments */
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Make sure there's enough space to insert an element.
|
||||
*/
|
||||
if(as->count == as->size) {
|
||||
int _newsize = as->size ? (as->size << 1) : 4;
|
||||
void *_new_arr;
|
||||
_new_arr = REALLOC(as->array, _newsize * sizeof(as->array[0]));
|
||||
if(_new_arr) {
|
||||
as->array = (void **)_new_arr;
|
||||
as->size = _newsize;
|
||||
} else {
|
||||
/* ENOMEM */
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
as->array[as->count++] = ptr;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
asn_set_del(void *asn_set_of_x, int number, int _do_free) {
|
||||
asn_anonymous_set_ *as = _A_SET_FROM_VOID(asn_set_of_x);
|
||||
|
||||
if(as) {
|
||||
void *ptr;
|
||||
if(number < 0 || number >= as->count)
|
||||
return;
|
||||
|
||||
if(_do_free && as->free) {
|
||||
ptr = as->array[number];
|
||||
} else {
|
||||
ptr = 0;
|
||||
}
|
||||
|
||||
as->array[number] = as->array[--as->count];
|
||||
|
||||
/*
|
||||
* Invoke the third-party function only when the state
|
||||
* of the parent structure is consistent.
|
||||
*/
|
||||
if(ptr) as->free(ptr);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Free the contents of the set, do not free the set itself.
|
||||
*/
|
||||
void
|
||||
asn_set_empty(void *asn_set_of_x) {
|
||||
asn_anonymous_set_ *as = _A_SET_FROM_VOID(asn_set_of_x);
|
||||
|
||||
if(as) {
|
||||
if(as->array) {
|
||||
if(as->free) {
|
||||
while(as->count--)
|
||||
as->free(as->array[as->count]);
|
||||
}
|
||||
FREEMEM(as->array);
|
||||
as->array = 0;
|
||||
}
|
||||
as->count = 0;
|
||||
as->size = 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_SET_OF.h
|
||||
Vendored
+62
@@ -0,0 +1,62 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef ASN_SET_OF_H
|
||||
#define ASN_SET_OF_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#define A_SET_OF(type) \
|
||||
struct { \
|
||||
type **array; \
|
||||
int count; /* Meaningful size */ \
|
||||
int size; /* Allocated size */ \
|
||||
void (*free)(type *); \
|
||||
}
|
||||
|
||||
#define ASN_SET_ADD(headptr, ptr) \
|
||||
asn_set_add((headptr), (ptr))
|
||||
|
||||
/*******************************************
|
||||
* Implementation of the SET OF structure.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Add another structure into the set by its pointer.
|
||||
* RETURN VALUES:
|
||||
* 0 for success and -1/errno for failure.
|
||||
*/
|
||||
int asn_set_add(void *asn_set_of_x, void *ptr);
|
||||
|
||||
/*
|
||||
* Delete the element from the set by its number (base 0).
|
||||
* This is a constant-time operation. The order of elements before the
|
||||
* deleted ones is guaranteed, the order of elements after the deleted
|
||||
* one is NOT guaranteed.
|
||||
* If _do_free is given AND the (*free) is initialized, the element
|
||||
* will be freed using the custom (*free) function as well.
|
||||
*/
|
||||
void asn_set_del(void *asn_set_of_x, int number, int _do_free);
|
||||
|
||||
/*
|
||||
* Empty the contents of the set. Will free the elements, if (*free) is given.
|
||||
* Will NOT free the set itself.
|
||||
*/
|
||||
void asn_set_empty(void *asn_set_of_x);
|
||||
|
||||
/*
|
||||
* Cope with different conversions requirements to/from void in C and C++.
|
||||
* This is mostly useful for support library.
|
||||
*/
|
||||
typedef A_SET_OF(void) asn_anonymous_set_;
|
||||
#define _A_SET_FROM_VOID(ptr) ((asn_anonymous_set_ *)(ptr))
|
||||
#define _A_CSET_FROM_VOID(ptr) ((const asn_anonymous_set_ *)(ptr))
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* ASN_SET_OF_H */
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_application.h
|
||||
+47
@@ -0,0 +1,47 @@
|
||||
/*-
|
||||
* Copyright (c) 2004, 2006 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
/*
|
||||
* Application-level ASN.1 callbacks.
|
||||
*/
|
||||
#ifndef _ASN_APPLICATION_H_
|
||||
#define _ASN_APPLICATION_H_
|
||||
|
||||
#include "asn_system.h" /* for platform-dependent types */
|
||||
#include "asn_codecs.h" /* for ASN.1 codecs specifics */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Generic type of an application-defined callback to return various
|
||||
* types of data to the application.
|
||||
* EXPECTED RETURN VALUES:
|
||||
* -1: Failed to consume bytes. Abort the mission.
|
||||
* Non-negative return values indicate success, and ignored.
|
||||
*/
|
||||
typedef int (asn_app_consume_bytes_f)(const void *buffer, size_t size,
|
||||
void *application_specific_key);
|
||||
|
||||
/*
|
||||
* A callback of this type is called whenever constraint validation fails
|
||||
* on some ASN.1 type. See "constraints.h" for more details on constraint
|
||||
* validation.
|
||||
* This callback specifies a descriptor of the ASN.1 type which failed
|
||||
* the constraint check, as well as human readable message on what
|
||||
* particular constraint has failed.
|
||||
*/
|
||||
typedef void (asn_app_constraint_failed_f)(void *application_specific_key,
|
||||
struct asn_TYPE_descriptor_s *type_descriptor_which_failed,
|
||||
const void *structure_which_failed_ptr,
|
||||
const char *error_message_format, ...) GCC_PRINTFLIKE(4, 5);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#include "constr_TYPE.h" /* for asn_TYPE_descriptor_t */
|
||||
|
||||
#endif /* _ASN_APPLICATION_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_codecs.h
|
||||
Vendored
+109
@@ -0,0 +1,109 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2005 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _ASN_CODECS_H_
|
||||
#define _ASN_CODECS_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct asn_TYPE_descriptor_s; /* Forward declaration */
|
||||
|
||||
/*
|
||||
* This structure defines a set of parameters that may be passed
|
||||
* to every ASN.1 encoder or decoder function.
|
||||
* WARNING: if max_stack_size member is set, and you are calling the
|
||||
* function pointers of the asn_TYPE_descriptor_t directly,
|
||||
* this structure must be ALLOCATED ON THE STACK!
|
||||
* If you can't always satisfy this requirement, use ber_decode(),
|
||||
* xer_decode() and uper_decode() functions instead.
|
||||
*/
|
||||
typedef struct asn_codec_ctx_s {
|
||||
/*
|
||||
* Limit the decoder routines to use no (much) more stack than a given
|
||||
* number of bytes. Most of decoders are stack-based, and this
|
||||
* would protect against stack overflows if the number of nested
|
||||
* encodings is high.
|
||||
* The OCTET STRING, BIT STRING and ANY BER decoders are heap-based,
|
||||
* and are safe from this kind of overflow.
|
||||
* A value from getrlimit(RLIMIT_STACK) may be used to initialize
|
||||
* this variable. Be careful in multithreaded environments, as the
|
||||
* stack size is rather limited.
|
||||
*/
|
||||
size_t max_stack_size; /* 0 disables stack bounds checking */
|
||||
} asn_codec_ctx_t;
|
||||
|
||||
/*
|
||||
* Type of the return value of the encoding functions (der_encode, xer_encode).
|
||||
*/
|
||||
typedef struct asn_enc_rval_s {
|
||||
/*
|
||||
* Number of bytes encoded.
|
||||
* -1 indicates failure to encode the structure.
|
||||
* In this case, the members below this one are meaningful.
|
||||
*/
|
||||
ssize_t encoded;
|
||||
|
||||
/*
|
||||
* Members meaningful when (encoded == -1), for post mortem analysis.
|
||||
*/
|
||||
|
||||
/* Type which cannot be encoded */
|
||||
struct asn_TYPE_descriptor_s *failed_type;
|
||||
|
||||
/* Pointer to the structure of that type */
|
||||
void *structure_ptr;
|
||||
} asn_enc_rval_t;
|
||||
#define _ASN_ENCODE_FAILED do { \
|
||||
asn_enc_rval_t tmp_error; \
|
||||
tmp_error.encoded = -1; \
|
||||
tmp_error.failed_type = td; \
|
||||
tmp_error.structure_ptr = sptr; \
|
||||
ASN_DEBUG("Failed to encode element %s", td->name); \
|
||||
return tmp_error; \
|
||||
} while(0)
|
||||
#define _ASN_ENCODED_OK(rval) do { \
|
||||
rval.structure_ptr = 0; \
|
||||
rval.failed_type = 0; \
|
||||
return rval; \
|
||||
} while(0)
|
||||
|
||||
/*
|
||||
* Type of the return value of the decoding functions (ber_decode, xer_decode)
|
||||
*
|
||||
* Please note that the number of consumed bytes is ALWAYS meaningful,
|
||||
* even if code==RC_FAIL. This is to indicate the number of successfully
|
||||
* decoded bytes, hence providing a possibility to fail with more diagnostics
|
||||
* (i.e., print the offending remainder of the buffer).
|
||||
*/
|
||||
enum asn_dec_rval_code_e {
|
||||
RC_OK, /* Decoded successfully */
|
||||
RC_WMORE, /* More data expected, call again */
|
||||
RC_FAIL /* Failure to decode data */
|
||||
};
|
||||
typedef struct asn_dec_rval_s {
|
||||
enum asn_dec_rval_code_e code; /* Result code */
|
||||
size_t consumed; /* Number of bytes consumed */
|
||||
} asn_dec_rval_t;
|
||||
#define _ASN_DECODE_FAILED do { \
|
||||
asn_dec_rval_t tmp_error; \
|
||||
tmp_error.code = RC_FAIL; \
|
||||
tmp_error.consumed = 0; \
|
||||
ASN_DEBUG("Failed to decode element %s", td->name); \
|
||||
return tmp_error; \
|
||||
} while(0)
|
||||
#define _ASN_DECODE_STARVED do { \
|
||||
asn_dec_rval_t tmp_error; \
|
||||
tmp_error.code = RC_WMORE; \
|
||||
tmp_error.consumed = 0; \
|
||||
return tmp_error; \
|
||||
} while(0)
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _ASN_CODECS_H_ */
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_codecs_prim.c
|
||||
+295
@@ -0,0 +1,295 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <asn_codecs_prim.h>
|
||||
#include <errno.h>
|
||||
|
||||
/*
|
||||
* Decode an always-primitive type.
|
||||
*/
|
||||
asn_dec_rval_t
|
||||
ber_decode_primitive(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td,
|
||||
void **sptr, const void *buf_ptr, size_t size, int tag_mode) {
|
||||
ASN__PRIMITIVE_TYPE_t *st = (ASN__PRIMITIVE_TYPE_t *)*sptr;
|
||||
asn_dec_rval_t rval;
|
||||
ber_tlv_len_t length;
|
||||
|
||||
/*
|
||||
* If the structure is not there, allocate it.
|
||||
*/
|
||||
if(st == NULL) {
|
||||
st = (ASN__PRIMITIVE_TYPE_t *)CALLOC(1, sizeof(*st));
|
||||
if(st == NULL) _ASN_DECODE_FAILED;
|
||||
*sptr = (void *)st;
|
||||
}
|
||||
|
||||
ASN_DEBUG("Decoding %s as plain primitive (tm=%d)",
|
||||
td->name, tag_mode);
|
||||
|
||||
/*
|
||||
* Check tags and extract value length.
|
||||
*/
|
||||
rval = ber_check_tags(opt_codec_ctx, td, 0, buf_ptr, size,
|
||||
tag_mode, 0, &length, 0);
|
||||
if(rval.code != RC_OK)
|
||||
return rval;
|
||||
|
||||
ASN_DEBUG("%s length is %d bytes", td->name, (int)length);
|
||||
|
||||
/*
|
||||
* Make sure we have this length.
|
||||
*/
|
||||
buf_ptr = ((const char *)buf_ptr) + rval.consumed;
|
||||
size -= rval.consumed;
|
||||
if(length > (ber_tlv_len_t)size) {
|
||||
rval.code = RC_WMORE;
|
||||
rval.consumed = 0;
|
||||
return rval;
|
||||
}
|
||||
|
||||
st->size = (int)length;
|
||||
/* The following better be optimized away. */
|
||||
if(sizeof(st->size) != sizeof(length)
|
||||
&& (ber_tlv_len_t)st->size != length) {
|
||||
st->size = 0;
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
st->buf = (uint8_t *)MALLOC(length + 1);
|
||||
if(!st->buf) {
|
||||
st->size = 0;
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
memcpy(st->buf, buf_ptr, length);
|
||||
st->buf[length] = '\0'; /* Just in case */
|
||||
|
||||
rval.code = RC_OK;
|
||||
rval.consumed += length;
|
||||
|
||||
ASN_DEBUG("Took %ld/%ld bytes to encode %s",
|
||||
(long)rval.consumed,
|
||||
(long)length, td->name);
|
||||
|
||||
return rval;
|
||||
}
|
||||
|
||||
/*
|
||||
* Encode an always-primitive type using DER.
|
||||
*/
|
||||
asn_enc_rval_t
|
||||
der_encode_primitive(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int tag_mode, ber_tlv_tag_t tag,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_enc_rval_t erval;
|
||||
ASN__PRIMITIVE_TYPE_t *st = (ASN__PRIMITIVE_TYPE_t *)sptr;
|
||||
|
||||
ASN_DEBUG("%s %s as a primitive type (tm=%d)",
|
||||
cb?"Encoding":"Estimating", td->name, tag_mode);
|
||||
|
||||
erval.encoded = der_write_tags(td, st->size, tag_mode, 0, tag,
|
||||
cb, app_key);
|
||||
ASN_DEBUG("%s wrote tags %d", td->name, (int)erval.encoded);
|
||||
if(erval.encoded == -1) {
|
||||
erval.failed_type = td;
|
||||
erval.structure_ptr = sptr;
|
||||
return erval;
|
||||
}
|
||||
|
||||
if(cb && st->buf) {
|
||||
if(cb(st->buf, st->size, app_key) < 0) {
|
||||
erval.encoded = -1;
|
||||
erval.failed_type = td;
|
||||
erval.structure_ptr = sptr;
|
||||
return erval;
|
||||
}
|
||||
} else {
|
||||
assert(st->buf || st->size == 0);
|
||||
}
|
||||
|
||||
erval.encoded += st->size;
|
||||
_ASN_ENCODED_OK(erval);
|
||||
}
|
||||
|
||||
void
|
||||
ASN__PRIMITIVE_TYPE_free(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int contents_only) {
|
||||
ASN__PRIMITIVE_TYPE_t *st = (ASN__PRIMITIVE_TYPE_t *)sptr;
|
||||
|
||||
if(!td || !sptr)
|
||||
return;
|
||||
|
||||
ASN_DEBUG("Freeing %s as a primitive type", td->name);
|
||||
|
||||
if(st->buf)
|
||||
FREEMEM(st->buf);
|
||||
|
||||
if(!contents_only)
|
||||
FREEMEM(st);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Local internal type passed around as an argument.
|
||||
*/
|
||||
struct xdp_arg_s {
|
||||
asn_TYPE_descriptor_t *type_descriptor;
|
||||
void *struct_key;
|
||||
xer_primitive_body_decoder_f *prim_body_decoder;
|
||||
int decoded_something;
|
||||
int want_more;
|
||||
};
|
||||
|
||||
|
||||
static int
|
||||
xer_decode__unexpected_tag(void *key, const void *chunk_buf, size_t chunk_size) {
|
||||
struct xdp_arg_s *arg = (struct xdp_arg_s *)key;
|
||||
enum xer_pbd_rval bret;
|
||||
|
||||
if(arg->decoded_something) {
|
||||
if(xer_is_whitespace(chunk_buf, chunk_size))
|
||||
return 0; /* Skip it. */
|
||||
/*
|
||||
* Decoding was done once already. Prohibit doing it again.
|
||||
*/
|
||||
return -1;
|
||||
}
|
||||
|
||||
bret = arg->prim_body_decoder(arg->type_descriptor,
|
||||
arg->struct_key, chunk_buf, chunk_size);
|
||||
switch(bret) {
|
||||
case XPBD_SYSTEM_FAILURE:
|
||||
case XPBD_DECODER_LIMIT:
|
||||
case XPBD_BROKEN_ENCODING:
|
||||
break;
|
||||
case XPBD_BODY_CONSUMED:
|
||||
/* Tag decoded successfully */
|
||||
arg->decoded_something = 1;
|
||||
/* Fall through */
|
||||
case XPBD_NOT_BODY_IGNORE: /* Safe to proceed further */
|
||||
return 0;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
static ssize_t
|
||||
xer_decode__body(void *key, const void *chunk_buf, size_t chunk_size, int have_more) {
|
||||
struct xdp_arg_s *arg = (struct xdp_arg_s *)key;
|
||||
enum xer_pbd_rval bret;
|
||||
|
||||
if(arg->decoded_something) {
|
||||
if(xer_is_whitespace(chunk_buf, chunk_size))
|
||||
return chunk_size;
|
||||
/*
|
||||
* Decoding was done once already. Prohibit doing it again.
|
||||
*/
|
||||
return -1;
|
||||
}
|
||||
|
||||
if(!have_more) {
|
||||
/*
|
||||
* If we've received something like "1", we can't really
|
||||
* tell whether it is really `1` or `123`, until we know
|
||||
* that there is no more data coming.
|
||||
* The have_more argument will be set to 1 once something
|
||||
* like this is available to the caller of this callback:
|
||||
* "1<tag_start..."
|
||||
*/
|
||||
arg->want_more = 1;
|
||||
return -1;
|
||||
}
|
||||
|
||||
bret = arg->prim_body_decoder(arg->type_descriptor,
|
||||
arg->struct_key, chunk_buf, chunk_size);
|
||||
switch(bret) {
|
||||
case XPBD_SYSTEM_FAILURE:
|
||||
case XPBD_DECODER_LIMIT:
|
||||
case XPBD_BROKEN_ENCODING:
|
||||
break;
|
||||
case XPBD_BODY_CONSUMED:
|
||||
/* Tag decoded successfully */
|
||||
arg->decoded_something = 1;
|
||||
/* Fall through */
|
||||
case XPBD_NOT_BODY_IGNORE: /* Safe to proceed further */
|
||||
return chunk_size;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
|
||||
asn_dec_rval_t
|
||||
xer_decode_primitive(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td,
|
||||
void **sptr,
|
||||
size_t struct_size,
|
||||
const char *opt_mname,
|
||||
const void *buf_ptr, size_t size,
|
||||
xer_primitive_body_decoder_f *prim_body_decoder
|
||||
) {
|
||||
const char *xml_tag = opt_mname ? opt_mname : td->xml_tag;
|
||||
asn_struct_ctx_t s_ctx;
|
||||
struct xdp_arg_s s_arg;
|
||||
asn_dec_rval_t rc;
|
||||
|
||||
/*
|
||||
* Create the structure if does not exist.
|
||||
*/
|
||||
if(!*sptr) {
|
||||
*sptr = CALLOC(1, struct_size);
|
||||
if(!*sptr) _ASN_DECODE_FAILED;
|
||||
}
|
||||
|
||||
memset(&s_ctx, 0, sizeof(s_ctx));
|
||||
s_arg.type_descriptor = td;
|
||||
s_arg.struct_key = *sptr;
|
||||
s_arg.prim_body_decoder = prim_body_decoder;
|
||||
s_arg.decoded_something = 0;
|
||||
s_arg.want_more = 0;
|
||||
|
||||
rc = xer_decode_general(opt_codec_ctx, &s_ctx, &s_arg,
|
||||
xml_tag, buf_ptr, size,
|
||||
xer_decode__unexpected_tag, xer_decode__body);
|
||||
switch(rc.code) {
|
||||
case RC_OK:
|
||||
if(!s_arg.decoded_something) {
|
||||
char ch;
|
||||
ASN_DEBUG("Primitive body is not recognized, "
|
||||
"supplying empty one");
|
||||
/*
|
||||
* Decoding opportunity has come and gone.
|
||||
* Where's the result?
|
||||
* Try to feed with empty body, see if it eats it.
|
||||
*/
|
||||
if(prim_body_decoder(s_arg.type_descriptor,
|
||||
s_arg.struct_key, &ch, 0)
|
||||
!= XPBD_BODY_CONSUMED) {
|
||||
/*
|
||||
* This decoder does not like empty stuff.
|
||||
*/
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
}
|
||||
break;
|
||||
case RC_WMORE:
|
||||
/*
|
||||
* Redo the whole thing later.
|
||||
* We don't have a context to save intermediate parsing state.
|
||||
*/
|
||||
rc.consumed = 0;
|
||||
break;
|
||||
case RC_FAIL:
|
||||
rc.consumed = 0;
|
||||
if(s_arg.want_more)
|
||||
rc.code = RC_WMORE;
|
||||
else
|
||||
_ASN_DECODE_FAILED;
|
||||
break;
|
||||
}
|
||||
return rc;
|
||||
}
|
||||
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_codecs_prim.h
|
||||
+53
@@ -0,0 +1,53 @@
|
||||
/*-
|
||||
* Copyright (c) 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef ASN_CODECS_PRIM_H
|
||||
#define ASN_CODECS_PRIM_H
|
||||
|
||||
#include <asn_application.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct ASN__PRIMITIVE_TYPE_s {
|
||||
uint8_t *buf; /* Buffer with consecutive primitive encoding bytes */
|
||||
int size; /* Size of the buffer */
|
||||
} ASN__PRIMITIVE_TYPE_t; /* Do not use this type directly! */
|
||||
|
||||
asn_struct_free_f ASN__PRIMITIVE_TYPE_free;
|
||||
ber_type_decoder_f ber_decode_primitive;
|
||||
der_type_encoder_f der_encode_primitive;
|
||||
|
||||
/*
|
||||
* A callback specification for the xer_decode_primitive() function below.
|
||||
*/
|
||||
enum xer_pbd_rval {
|
||||
XPBD_SYSTEM_FAILURE, /* System failure (memory shortage, etc) */
|
||||
XPBD_DECODER_LIMIT, /* Hit some decoder limitation or deficiency */
|
||||
XPBD_BROKEN_ENCODING, /* Encoding of a primitive body is broken */
|
||||
XPBD_NOT_BODY_IGNORE, /* Not a body format, but safe to ignore */
|
||||
XPBD_BODY_CONSUMED /* Body is recognized and consumed */
|
||||
};
|
||||
typedef enum xer_pbd_rval (xer_primitive_body_decoder_f)
|
||||
(asn_TYPE_descriptor_t *td, void *struct_ptr,
|
||||
const void *chunk_buf, size_t chunk_size);
|
||||
|
||||
/*
|
||||
* Specific function to decode simple primitive types.
|
||||
* Also see xer_decode_general() in xer_decoder.h
|
||||
*/
|
||||
asn_dec_rval_t xer_decode_primitive(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *type_descriptor,
|
||||
void **struct_ptr, size_t struct_size,
|
||||
const char *opt_mname,
|
||||
const void *buf_ptr, size_t size,
|
||||
xer_primitive_body_decoder_f *prim_body_decoder
|
||||
);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* ASN_CODECS_PRIM_H */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_internal.h
|
||||
Vendored
+119
@@ -0,0 +1,119 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2005, 2007 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
/*
|
||||
* Declarations internally useful for the ASN.1 support code.
|
||||
*/
|
||||
#ifndef _ASN_INTERNAL_H_
|
||||
#define _ASN_INTERNAL_H_
|
||||
|
||||
#include "asn_application.h" /* Application-visible API */
|
||||
|
||||
#ifndef __NO_ASSERT_H__ /* Include assert.h only for internal use. */
|
||||
#include <assert.h> /* for assert() macro */
|
||||
#endif
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Environment version might be used to avoid running with the old library */
|
||||
#define ASN1C_ENVIRONMENT_VERSION 922 /* Compile-time version */
|
||||
int get_asn1c_environment_version(void); /* Run-time version */
|
||||
|
||||
#define CALLOC(nmemb, size) calloc(nmemb, size)
|
||||
#define MALLOC(size) malloc(size)
|
||||
#define REALLOC(oldptr, size) realloc(oldptr, size)
|
||||
#define FREEMEM(ptr) free(ptr)
|
||||
|
||||
/*
|
||||
* A macro for debugging the ASN.1 internals.
|
||||
* You may enable or override it.
|
||||
*/
|
||||
#ifndef ASN_DEBUG /* If debugging code is not defined elsewhere... */
|
||||
#if EMIT_ASN_DEBUG == 1 /* And it was asked to emit this code... */
|
||||
#ifdef __GNUC__
|
||||
#ifdef ASN_THREAD_SAFE
|
||||
#define asn_debug_indent 0
|
||||
#else /* !ASN_THREAD_SAFE */
|
||||
int asn_debug_indent;
|
||||
#endif /* ASN_THREAD_SAFE */
|
||||
#define ASN_DEBUG(fmt, args...) do { \
|
||||
int adi = asn_debug_indent; \
|
||||
while(adi--) fprintf(stderr, " "); \
|
||||
fprintf(stderr, fmt, ##args); \
|
||||
fprintf(stderr, " (%s:%d)\n", \
|
||||
__FILE__, __LINE__); \
|
||||
} while(0)
|
||||
#else /* !__GNUC__ */
|
||||
void ASN_DEBUG_f(const char *fmt, ...);
|
||||
#define ASN_DEBUG ASN_DEBUG_f
|
||||
#endif /* __GNUC__ */
|
||||
#else /* EMIT_ASN_DEBUG != 1 */
|
||||
static inline void ASN_DEBUG(const char *fmt, ...) { (void)fmt; }
|
||||
#endif /* EMIT_ASN_DEBUG */
|
||||
#endif /* ASN_DEBUG */
|
||||
|
||||
/*
|
||||
* Invoke the application-supplied callback and fail, if something is wrong.
|
||||
*/
|
||||
#define __ASN_E_cbc(buf, size) (cb((buf), (size), app_key) < 0)
|
||||
#define _ASN_E_CALLBACK(foo) do { \
|
||||
if(foo) goto cb_failed; \
|
||||
} while(0)
|
||||
#define _ASN_CALLBACK(buf, size) \
|
||||
_ASN_E_CALLBACK(__ASN_E_cbc(buf, size))
|
||||
#define _ASN_CALLBACK2(buf1, size1, buf2, size2) \
|
||||
_ASN_E_CALLBACK(__ASN_E_cbc(buf1, size1) || __ASN_E_cbc(buf2, size2))
|
||||
#define _ASN_CALLBACK3(buf1, size1, buf2, size2, buf3, size3) \
|
||||
_ASN_E_CALLBACK(__ASN_E_cbc(buf1, size1) \
|
||||
|| __ASN_E_cbc(buf2, size2) \
|
||||
|| __ASN_E_cbc(buf3, size3))
|
||||
|
||||
#define _i_ASN_TEXT_INDENT(nl, level) do { \
|
||||
int __level = (level); \
|
||||
int __nl = ((nl) != 0); \
|
||||
int __i; \
|
||||
if(__nl) _ASN_CALLBACK("\n", 1); \
|
||||
if(__level < 0) __level = 0; \
|
||||
for(__i = 0; __i < __level; __i++) \
|
||||
_ASN_CALLBACK(" ", 4); \
|
||||
er.encoded += __nl + 4 * __level; \
|
||||
} while(0)
|
||||
|
||||
#define _i_INDENT(nl) do { \
|
||||
int __i; \
|
||||
if((nl) && cb("\n", 1, app_key) < 0) return -1; \
|
||||
for(__i = 0; __i < ilevel; __i++) \
|
||||
if(cb(" ", 4, app_key) < 0) return -1; \
|
||||
} while(0)
|
||||
|
||||
/*
|
||||
* Check stack against overflow, if limit is set.
|
||||
*/
|
||||
#define _ASN_DEFAULT_STACK_MAX (30000)
|
||||
static inline int
|
||||
_ASN_STACK_OVERFLOW_CHECK(asn_codec_ctx_t *ctx) {
|
||||
if(ctx && ctx->max_stack_size) {
|
||||
|
||||
/* ctx MUST be allocated on the stack */
|
||||
ptrdiff_t usedstack = ((char *)ctx - (char *)&ctx);
|
||||
if(usedstack > 0) usedstack = -usedstack; /* grows up! */
|
||||
|
||||
/* double negative required to avoid int wrap-around */
|
||||
if(usedstack < -(ptrdiff_t)ctx->max_stack_size) {
|
||||
ASN_DEBUG("Stack limit %ld reached",
|
||||
(long)ctx->max_stack_size);
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _ASN_INTERNAL_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/asn_system.h
|
||||
Vendored
+129
@@ -0,0 +1,129 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2007 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
/*
|
||||
* Miscellaneous system-dependent types.
|
||||
*/
|
||||
#ifndef _ASN_SYSTEM_H_
|
||||
#define _ASN_SYSTEM_H_
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include "config.h"
|
||||
#endif
|
||||
|
||||
#include <stdio.h> /* For snprintf(3) */
|
||||
#include <stdlib.h> /* For *alloc(3) */
|
||||
#include <string.h> /* For memcpy(3) */
|
||||
#include <sys/types.h> /* For size_t */
|
||||
#include <limits.h> /* For LONG_MAX */
|
||||
#include <stdarg.h> /* For va_start */
|
||||
#include <stddef.h> /* for offsetof and ptrdiff_t */
|
||||
|
||||
#ifdef WIN32
|
||||
|
||||
#include <malloc.h>
|
||||
#define snprintf _snprintf
|
||||
#define vsnprintf _vsnprintf
|
||||
|
||||
/* To avoid linking with ws2_32.lib, here's the definition of ntohl() */
|
||||
#define sys_ntohl(l) ((((l) << 24) & 0xff000000) \
|
||||
| (((l) << 16) & 0xff0000) \
|
||||
| (((l) << 8) & 0xff00) \
|
||||
| ((l) & 0xff))
|
||||
|
||||
#ifdef _MSC_VER /* MSVS.Net */
|
||||
#ifndef __cplusplus
|
||||
#define inline __inline
|
||||
#endif
|
||||
#ifndef ASSUMESTDTYPES /* Standard types have been defined elsewhere */
|
||||
#define ssize_t SSIZE_T
|
||||
typedef char int8_t;
|
||||
typedef short int16_t;
|
||||
typedef int int32_t;
|
||||
typedef unsigned char uint8_t;
|
||||
typedef unsigned short uint16_t;
|
||||
typedef unsigned int uint32_t;
|
||||
#endif /* ASSUMESTDTYPES */
|
||||
#define WIN32_LEAN_AND_MEAN
|
||||
#include <windows.h>
|
||||
#include <float.h>
|
||||
#define isnan _isnan
|
||||
#define finite _finite
|
||||
#define copysign _copysign
|
||||
#define ilogb _logb
|
||||
#else /* !_MSC_VER */
|
||||
#include <stdint.h>
|
||||
#endif /* _MSC_VER */
|
||||
|
||||
#else /* !WIN32 */
|
||||
|
||||
#if defined(__vxworks)
|
||||
#include <types/vxTypes.h>
|
||||
#else /* !defined(__vxworks) */
|
||||
|
||||
#include <inttypes.h> /* C99 specifies this file */
|
||||
/*
|
||||
* 1. Earlier FreeBSD version didn't have <stdint.h>,
|
||||
* but <inttypes.h> was present.
|
||||
* 2. Sun Solaris requires <alloca.h> for alloca(3),
|
||||
* but does not have <stdint.h>.
|
||||
*/
|
||||
#if (!defined(__FreeBSD__) || !defined(_SYS_INTTYPES_H_))
|
||||
#if defined(sun)
|
||||
#include <alloca.h> /* For alloca(3) */
|
||||
#include <ieeefp.h> /* for finite(3) */
|
||||
#elif defined(__hpux)
|
||||
#ifdef __GNUC__
|
||||
#include <alloca.h> /* For alloca(3) */
|
||||
#else /* !__GNUC__ */
|
||||
#define inline
|
||||
#endif /* __GNUC__ */
|
||||
#else
|
||||
#include <stdint.h> /* SUSv2+ and C99 specify this file, for uintXX_t */
|
||||
#endif /* defined(sun) */
|
||||
#endif
|
||||
|
||||
#include <netinet/in.h> /* for ntohl() */
|
||||
#define sys_ntohl(foo) ntohl(foo)
|
||||
|
||||
#endif /* defined(__vxworks) */
|
||||
|
||||
#endif /* WIN32 */
|
||||
|
||||
#if __GNUC__ >= 3
|
||||
#ifndef GCC_PRINTFLIKE
|
||||
#define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
|
||||
#endif
|
||||
#ifndef GCC_NOTUSED
|
||||
#define GCC_NOTUSED __attribute__((unused))
|
||||
#endif
|
||||
#else
|
||||
#ifndef GCC_PRINTFLIKE
|
||||
#define GCC_PRINTFLIKE(fmt,var) /* nothing */
|
||||
#endif
|
||||
#ifndef GCC_NOTUSED
|
||||
#define GCC_NOTUSED
|
||||
#endif
|
||||
#endif
|
||||
|
||||
/* Figure out if thread safety is requested */
|
||||
#if !defined(ASN_THREAD_SAFE) && (defined(THREAD_SAFE) || defined(_REENTRANT))
|
||||
#define ASN_THREAD_SAFE
|
||||
#endif /* Thread safety */
|
||||
|
||||
#ifndef offsetof /* If not defined by <stddef.h> */
|
||||
#define offsetof(s, m) ((ptrdiff_t)&(((s *)0)->m) - (ptrdiff_t)((s *)0))
|
||||
#endif /* offsetof */
|
||||
|
||||
#ifndef MIN /* Suitable for comparing primitive types (integers) */
|
||||
#if defined(__GNUC__)
|
||||
#define MIN(a,b) ({ __typeof a _a = a; __typeof b _b = b; \
|
||||
((_a)<(_b)?(_a):(_b)); })
|
||||
#else /* !__GNUC__ */
|
||||
#define MIN(a,b) ((a)<(b)?(a):(b)) /* Unsafe variant */
|
||||
#endif /* __GNUC__ */
|
||||
#endif /* MIN */
|
||||
|
||||
#endif /* _ASN_SYSTEM_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/ber_decoder.c
|
||||
Vendored
+283
@@ -0,0 +1,283 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
|
||||
#undef ADVANCE
|
||||
#define ADVANCE(num_bytes) do { \
|
||||
size_t num = num_bytes; \
|
||||
ptr = ((const char *)ptr) + num; \
|
||||
size -= num; \
|
||||
consumed_myself += num; \
|
||||
} while(0)
|
||||
#undef RETURN
|
||||
#define RETURN(_code) do { \
|
||||
asn_dec_rval_t rval; \
|
||||
rval.code = _code; \
|
||||
if(opt_ctx) opt_ctx->step = step; /* Save context */ \
|
||||
if(_code == RC_OK || opt_ctx) \
|
||||
rval.consumed = consumed_myself; \
|
||||
else \
|
||||
rval.consumed = 0; /* Context-free */ \
|
||||
return rval; \
|
||||
} while(0)
|
||||
|
||||
/*
|
||||
* The BER decoder of any type.
|
||||
*/
|
||||
asn_dec_rval_t
|
||||
ber_decode(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *type_descriptor,
|
||||
void **struct_ptr, const void *ptr, size_t size) {
|
||||
asn_codec_ctx_t s_codec_ctx;
|
||||
|
||||
/*
|
||||
* Stack checker requires that the codec context
|
||||
* must be allocated on the stack.
|
||||
*/
|
||||
if(opt_codec_ctx) {
|
||||
if(opt_codec_ctx->max_stack_size) {
|
||||
s_codec_ctx = *opt_codec_ctx;
|
||||
opt_codec_ctx = &s_codec_ctx;
|
||||
}
|
||||
} else {
|
||||
/* If context is not given, be security-conscious anyway */
|
||||
memset(&s_codec_ctx, 0, sizeof(s_codec_ctx));
|
||||
s_codec_ctx.max_stack_size = _ASN_DEFAULT_STACK_MAX;
|
||||
opt_codec_ctx = &s_codec_ctx;
|
||||
}
|
||||
|
||||
/*
|
||||
* Invoke type-specific decoder.
|
||||
*/
|
||||
return type_descriptor->ber_decoder(opt_codec_ctx, type_descriptor,
|
||||
struct_ptr, /* Pointer to the destination structure */
|
||||
ptr, size, /* Buffer and its size */
|
||||
0 /* Default tag mode is 0 */
|
||||
);
|
||||
}
|
||||
|
||||
/*
|
||||
* Check the set of <TL<TL<TL...>>> tags matches the definition.
|
||||
*/
|
||||
asn_dec_rval_t
|
||||
ber_check_tags(asn_codec_ctx_t *opt_codec_ctx,
|
||||
asn_TYPE_descriptor_t *td, asn_struct_ctx_t *opt_ctx,
|
||||
const void *ptr, size_t size, int tag_mode, int last_tag_form,
|
||||
ber_tlv_len_t *last_length, int *opt_tlv_form) {
|
||||
ssize_t consumed_myself = 0;
|
||||
ssize_t tag_len;
|
||||
ssize_t len_len;
|
||||
ber_tlv_tag_t tlv_tag;
|
||||
ber_tlv_len_t tlv_len;
|
||||
ber_tlv_len_t limit_len = -1;
|
||||
int expect_00_terminators = 0;
|
||||
int tlv_constr = -1; /* If CHOICE, opt_tlv_form is not given */
|
||||
int step = opt_ctx ? opt_ctx->step : 0; /* Where we left previously */
|
||||
int tagno;
|
||||
|
||||
/*
|
||||
* Make sure we didn't exceed the maximum stack size.
|
||||
*/
|
||||
if(_ASN_STACK_OVERFLOW_CHECK(opt_codec_ctx))
|
||||
RETURN(RC_FAIL);
|
||||
|
||||
/*
|
||||
* So what does all this implicit skip stuff mean?
|
||||
* Imagine two types,
|
||||
* A ::= [5] IMPLICIT T
|
||||
* B ::= [2] EXPLICIT T
|
||||
* Where T is defined as
|
||||
* T ::= [4] IMPLICIT SEQUENCE { ... }
|
||||
*
|
||||
* Let's say, we are starting to decode type A, given the
|
||||
* following TLV stream: <5> <0>. What does this mean?
|
||||
* It means that the type A contains type T which is,
|
||||
* in turn, empty.
|
||||
* Remember though, that we are still in A. We cannot
|
||||
* just pass control to the type T decoder. Why? Because
|
||||
* the type T decoder expects <4> <0>, not <5> <0>.
|
||||
* So, we must make sure we are going to receive <5> while
|
||||
* still in A, then pass control to the T decoder, indicating
|
||||
* that the tag <4> was implicitly skipped. The decoder of T
|
||||
* hence will be prepared to treat <4> as valid tag, and decode
|
||||
* it appropriately.
|
||||
*/
|
||||
|
||||
tagno = step /* Continuing where left previously */
|
||||
+ (tag_mode==1?-1:0)
|
||||
;
|
||||
ASN_DEBUG("ber_check_tags(%s, size=%ld, tm=%d, step=%d, tagno=%d)",
|
||||
td->name, (long)size, tag_mode, step, tagno);
|
||||
/* assert(td->tags_count >= 1) May not be the case for CHOICE or ANY */
|
||||
|
||||
if(tag_mode == 0 && tagno == td->tags_count) {
|
||||
/*
|
||||
* This must be the _untagged_ ANY type,
|
||||
* which outermost tag isn't known in advance.
|
||||
* Fetch the tag and length separately.
|
||||
*/
|
||||
tag_len = ber_fetch_tag(ptr, size, &tlv_tag);
|
||||
switch(tag_len) {
|
||||
case -1: RETURN(RC_FAIL);
|
||||
case 0: RETURN(RC_WMORE);
|
||||
}
|
||||
tlv_constr = BER_TLV_CONSTRUCTED(ptr);
|
||||
len_len = ber_fetch_length(tlv_constr,
|
||||
(const char *)ptr + tag_len, size - tag_len, &tlv_len);
|
||||
switch(len_len) {
|
||||
case -1: RETURN(RC_FAIL);
|
||||
case 0: RETURN(RC_WMORE);
|
||||
}
|
||||
ASN_DEBUG("Advancing %ld in ANY case",
|
||||
(long)(tag_len + len_len));
|
||||
ADVANCE(tag_len + len_len);
|
||||
} else {
|
||||
assert(tagno < td->tags_count); /* At least one loop */
|
||||
}
|
||||
for((void)tagno; tagno < td->tags_count; tagno++, step++) {
|
||||
|
||||
/*
|
||||
* Fetch and process T from TLV.
|
||||
*/
|
||||
tag_len = ber_fetch_tag(ptr, size, &tlv_tag);
|
||||
ASN_DEBUG("Fetching tag from {%p,%ld}: "
|
||||
"len %ld, step %d, tagno %d got %s",
|
||||
ptr, (long)size,
|
||||
(long)tag_len, step, tagno,
|
||||
ber_tlv_tag_string(tlv_tag));
|
||||
switch(tag_len) {
|
||||
case -1: RETURN(RC_FAIL);
|
||||
case 0: RETURN(RC_WMORE);
|
||||
}
|
||||
|
||||
tlv_constr = BER_TLV_CONSTRUCTED(ptr);
|
||||
|
||||
/*
|
||||
* If {I}, don't check anything.
|
||||
* If {I,B,C}, check B and C unless we're at I.
|
||||
*/
|
||||
if(tag_mode != 0 && step == 0) {
|
||||
/*
|
||||
* We don't expect tag to match here.
|
||||
* It's just because we don't know how the tag
|
||||
* is supposed to look like.
|
||||
*/
|
||||
} else {
|
||||
assert(tagno >= 0); /* Guaranteed by the code above */
|
||||
if(tlv_tag != td->tags[tagno]) {
|
||||
/*
|
||||
* Unexpected tag. Too bad.
|
||||
*/
|
||||
ASN_DEBUG("Expected: %s, "
|
||||
"expectation failed (tn=%d, tm=%d)",
|
||||
ber_tlv_tag_string(td->tags[tagno]),
|
||||
tagno, tag_mode
|
||||
);
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Attention: if there are more tags expected,
|
||||
* ensure that the current tag is presented
|
||||
* in constructed form (it contains other tags!).
|
||||
* If this one is the last one, check that the tag form
|
||||
* matches the one given in descriptor.
|
||||
*/
|
||||
if(tagno < (td->tags_count - 1)) {
|
||||
if(tlv_constr == 0) {
|
||||
ASN_DEBUG("tlv_constr = %d, expfail",
|
||||
tlv_constr);
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
} else {
|
||||
if(last_tag_form != tlv_constr
|
||||
&& last_tag_form != -1) {
|
||||
ASN_DEBUG("last_tag_form %d != %d",
|
||||
last_tag_form, tlv_constr);
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Fetch and process L from TLV.
|
||||
*/
|
||||
len_len = ber_fetch_length(tlv_constr,
|
||||
(const char *)ptr + tag_len, size - tag_len, &tlv_len);
|
||||
ASN_DEBUG("Fetchinig len = %ld", (long)len_len);
|
||||
switch(len_len) {
|
||||
case -1: RETURN(RC_FAIL);
|
||||
case 0: RETURN(RC_WMORE);
|
||||
}
|
||||
|
||||
/*
|
||||
* FIXME
|
||||
* As of today, the chain of tags
|
||||
* must either contain several indefinite length TLVs,
|
||||
* or several definite length ones.
|
||||
* No mixing is allowed.
|
||||
*/
|
||||
if(tlv_len == -1) {
|
||||
/*
|
||||
* Indefinite length.
|
||||
*/
|
||||
if(limit_len == -1) {
|
||||
expect_00_terminators++;
|
||||
} else {
|
||||
ASN_DEBUG("Unexpected indefinite length "
|
||||
"in a chain of definite lengths");
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
ADVANCE(tag_len + len_len);
|
||||
continue;
|
||||
} else {
|
||||
if(expect_00_terminators) {
|
||||
ASN_DEBUG("Unexpected definite length "
|
||||
"in a chain of indefinite lengths");
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Check that multiple TLVs specify ever decreasing length,
|
||||
* which is consistent.
|
||||
*/
|
||||
if(limit_len == -1) {
|
||||
limit_len = tlv_len + tag_len + len_len;
|
||||
if(limit_len < 0) {
|
||||
/* Too great tlv_len value? */
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
} else if(limit_len != tlv_len + tag_len + len_len) {
|
||||
/*
|
||||
* Inner TLV specifies length which is inconsistent
|
||||
* with the outer TLV's length value.
|
||||
*/
|
||||
ASN_DEBUG("Outer TLV is %ld and inner is %ld",
|
||||
(long)limit_len, (long)tlv_len);
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
|
||||
ADVANCE(tag_len + len_len);
|
||||
|
||||
limit_len -= (tag_len + len_len);
|
||||
if((ssize_t)size > limit_len) {
|
||||
/*
|
||||
* Make sure that we won't consume more bytes
|
||||
* from the parent frame than the inferred limit.
|
||||
*/
|
||||
size = limit_len;
|
||||
}
|
||||
}
|
||||
|
||||
if(opt_tlv_form)
|
||||
*opt_tlv_form = tlv_constr;
|
||||
if(expect_00_terminators)
|
||||
*last_length = -expect_00_terminators;
|
||||
else
|
||||
*last_length = tlv_len;
|
||||
|
||||
RETURN(RC_OK);
|
||||
}
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/ber_decoder.h
|
||||
Vendored
+64
@@ -0,0 +1,64 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _BER_DECODER_H_
|
||||
#define _BER_DECODER_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct asn_TYPE_descriptor_s; /* Forward declaration */
|
||||
struct asn_codec_ctx_s; /* Forward declaration */
|
||||
|
||||
/*
|
||||
* The BER decoder of any type.
|
||||
* This function may be invoked directly from the application.
|
||||
* The der_encode() function (der_encoder.h) is an opposite to ber_decode().
|
||||
*/
|
||||
asn_dec_rval_t ber_decode(struct asn_codec_ctx_s *opt_codec_ctx,
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
void **struct_ptr, /* Pointer to a target structure's pointer */
|
||||
const void *buffer, /* Data to be decoded */
|
||||
size_t size /* Size of that buffer */
|
||||
);
|
||||
|
||||
/*
|
||||
* Type of generic function which decodes the byte stream into the structure.
|
||||
*/
|
||||
typedef asn_dec_rval_t (ber_type_decoder_f)(
|
||||
struct asn_codec_ctx_s *opt_codec_ctx,
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
void **struct_ptr, const void *buf_ptr, size_t size,
|
||||
int tag_mode);
|
||||
|
||||
/*******************************
|
||||
* INTERNALLY USEFUL FUNCTIONS *
|
||||
*******************************/
|
||||
|
||||
/*
|
||||
* Check that all tags correspond to the type definition (as given in head).
|
||||
* On return, last_length would contain either a non-negative length of the
|
||||
* value part of the last TLV, or the negative number of expected
|
||||
* "end of content" sequences. The number may only be negative if the
|
||||
* head->last_tag_form is non-zero.
|
||||
*/
|
||||
asn_dec_rval_t ber_check_tags(
|
||||
struct asn_codec_ctx_s *opt_codec_ctx, /* codec options */
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
asn_struct_ctx_t *opt_ctx, /* saved decoding context */
|
||||
const void *ptr, size_t size,
|
||||
int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
|
||||
int last_tag_form, /* {-1,0:1}: any, primitive, constr */
|
||||
ber_tlv_len_t *last_length,
|
||||
int *opt_tlv_form /* optional tag form */
|
||||
);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _BER_DECODER_H_ */
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/ber_tlv_length.c
|
||||
+178
@@ -0,0 +1,178 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <ber_tlv_length.h>
|
||||
#include <ber_tlv_tag.h>
|
||||
|
||||
ssize_t
|
||||
ber_fetch_length(int _is_constructed, const void *bufptr, size_t size,
|
||||
ber_tlv_len_t *len_r) {
|
||||
const uint8_t *buf = (const uint8_t *)bufptr;
|
||||
unsigned oct;
|
||||
|
||||
if(size == 0)
|
||||
return 0; /* Want more */
|
||||
|
||||
oct = *(const uint8_t *)buf;
|
||||
if((oct & 0x80) == 0) {
|
||||
/*
|
||||
* Short definite length.
|
||||
*/
|
||||
*len_r = oct; /* & 0x7F */
|
||||
return 1;
|
||||
} else {
|
||||
ber_tlv_len_t len;
|
||||
size_t skipped;
|
||||
|
||||
if(_is_constructed && oct == 0x80) {
|
||||
*len_r = -1; /* Indefinite length */
|
||||
return 1;
|
||||
}
|
||||
|
||||
if(oct == 0xff) {
|
||||
/* Reserved in standard for future use. */
|
||||
return -1;
|
||||
}
|
||||
|
||||
oct &= 0x7F; /* Leave only the 7 LS bits */
|
||||
for(len = 0, buf++, skipped = 1;
|
||||
oct && (++skipped <= size); buf++, oct--) {
|
||||
|
||||
len = (len << 8) | *buf;
|
||||
if(len < 0
|
||||
|| (len >> ((8 * sizeof(len)) - 8) && oct > 1)) {
|
||||
/*
|
||||
* Too large length value.
|
||||
*/
|
||||
return -1;
|
||||
}
|
||||
}
|
||||
|
||||
if(oct == 0) {
|
||||
ber_tlv_len_t lenplusepsilon = (size_t)len + 1024;
|
||||
/*
|
||||
* Here length may be very close or equal to 2G.
|
||||
* However, the arithmetics used in some decoders
|
||||
* may add some (small) quantities to the length,
|
||||
* to check the resulting value against some limits.
|
||||
* This may result in integer wrap-around, which
|
||||
* we try to avoid by checking it earlier here.
|
||||
*/
|
||||
if(lenplusepsilon < 0) {
|
||||
/* Too large length value */
|
||||
return -1;
|
||||
}
|
||||
|
||||
*len_r = len;
|
||||
return skipped;
|
||||
}
|
||||
|
||||
return 0; /* Want more */
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
ssize_t
|
||||
ber_skip_length(asn_codec_ctx_t *opt_codec_ctx,
|
||||
int _is_constructed, const void *ptr, size_t size) {
|
||||
ber_tlv_len_t vlen; /* Length of V in TLV */
|
||||
ssize_t tl; /* Length of L in TLV */
|
||||
ssize_t ll; /* Length of L in TLV */
|
||||
size_t skip;
|
||||
|
||||
/*
|
||||
* Make sure we didn't exceed the maximum stack size.
|
||||
*/
|
||||
if(_ASN_STACK_OVERFLOW_CHECK(opt_codec_ctx))
|
||||
return -1;
|
||||
|
||||
/*
|
||||
* Determine the size of L in TLV.
|
||||
*/
|
||||
ll = ber_fetch_length(_is_constructed, ptr, size, &vlen);
|
||||
if(ll <= 0) return ll;
|
||||
|
||||
/*
|
||||
* Definite length.
|
||||
*/
|
||||
if(vlen >= 0) {
|
||||
skip = ll + vlen;
|
||||
if(skip > size)
|
||||
return 0; /* Want more */
|
||||
return skip;
|
||||
}
|
||||
|
||||
/*
|
||||
* Indefinite length!
|
||||
*/
|
||||
ASN_DEBUG("Skipping indefinite length");
|
||||
for(skip = ll, ptr = ((const char *)ptr) + ll, size -= ll;;) {
|
||||
ber_tlv_tag_t tag;
|
||||
|
||||
/* Fetch the tag */
|
||||
tl = ber_fetch_tag(ptr, size, &tag);
|
||||
if(tl <= 0) return tl;
|
||||
|
||||
ll = ber_skip_length(opt_codec_ctx,
|
||||
BER_TLV_CONSTRUCTED(ptr),
|
||||
((const char *)ptr) + tl, size - tl);
|
||||
if(ll <= 0) return ll;
|
||||
|
||||
skip += tl + ll;
|
||||
|
||||
/*
|
||||
* This may be the end of the indefinite length structure,
|
||||
* two consecutive 0 octets.
|
||||
* Check if it is true.
|
||||
*/
|
||||
if(((const uint8_t *)ptr)[0] == 0
|
||||
&& ((const uint8_t *)ptr)[1] == 0)
|
||||
return skip;
|
||||
|
||||
ptr = ((const char *)ptr) + tl + ll;
|
||||
size -= tl + ll;
|
||||
}
|
||||
|
||||
/* UNREACHABLE */
|
||||
}
|
||||
|
||||
size_t
|
||||
der_tlv_length_serialize(ber_tlv_len_t len, void *bufp, size_t size) {
|
||||
size_t required_size; /* Size of len encoding */
|
||||
uint8_t *buf = (uint8_t *)bufp;
|
||||
uint8_t *end;
|
||||
size_t i;
|
||||
|
||||
if(len <= 127) {
|
||||
/* Encoded in 1 octet */
|
||||
if(size) *buf = (uint8_t)len;
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Compute the size of the subsequent bytes.
|
||||
*/
|
||||
for(required_size = 1, i = 8; i < 8 * sizeof(len); i += 8) {
|
||||
if(len >> i)
|
||||
required_size++;
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
if(size <= required_size)
|
||||
return required_size + 1;
|
||||
|
||||
*buf++ = (uint8_t)(0x80 | required_size); /* Length of the encoding */
|
||||
|
||||
/*
|
||||
* Produce the len encoding, space permitting.
|
||||
*/
|
||||
end = buf + required_size;
|
||||
for(i -= 8; buf < end; i -= 8, buf++)
|
||||
*buf = (uint8_t)(len >> i);
|
||||
|
||||
return required_size + 1;
|
||||
}
|
||||
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/ber_tlv_length.h
|
||||
+50
@@ -0,0 +1,50 @@
|
||||
/*-
|
||||
* Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _BER_TLV_LENGTH_H_
|
||||
#define _BER_TLV_LENGTH_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef ssize_t ber_tlv_len_t;
|
||||
|
||||
/*
|
||||
* This function tries to fetch the length of the BER TLV value and place it
|
||||
* in *len_r.
|
||||
* RETURN VALUES:
|
||||
* 0: More data expected than bufptr contains.
|
||||
* -1: Fatal error deciphering length.
|
||||
* >0: Number of bytes used from bufptr.
|
||||
* On return with >0, len_r is constrained as -1..MAX, where -1 mean
|
||||
* that the value is of indefinite length.
|
||||
*/
|
||||
ssize_t ber_fetch_length(int _is_constructed, const void *bufptr, size_t size,
|
||||
ber_tlv_len_t *len_r);
|
||||
|
||||
/*
|
||||
* This function expects bufptr to be positioned over L in TLV.
|
||||
* It returns number of bytes occupied by L and V together, suitable
|
||||
* for skipping. The function properly handles indefinite length.
|
||||
* RETURN VALUES:
|
||||
* Standard {-1,0,>0} convention.
|
||||
*/
|
||||
ssize_t ber_skip_length(
|
||||
struct asn_codec_ctx_s *opt_codec_ctx, /* optional context */
|
||||
int _is_constructed, const void *bufptr, size_t size);
|
||||
|
||||
/*
|
||||
* This function serializes the length (L from TLV) in DER format.
|
||||
* It always returns number of bytes necessary to represent the length,
|
||||
* it is a caller's responsibility to check the return value
|
||||
* against the supplied buffer's size.
|
||||
*/
|
||||
size_t der_tlv_length_serialize(ber_tlv_len_t len, void *bufptr, size_t size);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _BER_TLV_LENGTH_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/ber_tlv_tag.c
|
||||
Vendored
+144
@@ -0,0 +1,144 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <ber_tlv_tag.h>
|
||||
#include <errno.h>
|
||||
|
||||
ssize_t
|
||||
ber_fetch_tag(const void *ptr, size_t size, ber_tlv_tag_t *tag_r) {
|
||||
ber_tlv_tag_t val;
|
||||
ber_tlv_tag_t tclass;
|
||||
size_t skipped;
|
||||
|
||||
if(size == 0)
|
||||
return 0;
|
||||
|
||||
val = *(const uint8_t *)ptr;
|
||||
tclass = (val >> 6);
|
||||
if((val &= 0x1F) != 0x1F) {
|
||||
/*
|
||||
* Simple form: everything encoded in a single octet.
|
||||
* Tag Class is encoded using two least significant bits.
|
||||
*/
|
||||
*tag_r = (val << 2) | tclass;
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Each octet contains 7 bits of useful information.
|
||||
* The MSB is 0 if it is the last octet of the tag.
|
||||
*/
|
||||
for(val = 0, ptr = ((const char *)ptr) + 1, skipped = 2;
|
||||
skipped <= size;
|
||||
ptr = ((const char *)ptr) + 1, skipped++) {
|
||||
unsigned int oct = *(const uint8_t *)ptr;
|
||||
if(oct & 0x80) {
|
||||
val = (val << 7) | (oct & 0x7F);
|
||||
/*
|
||||
* Make sure there are at least 9 bits spare
|
||||
* at the MS side of a value.
|
||||
*/
|
||||
if(val >> ((8 * sizeof(val)) - 9)) {
|
||||
/*
|
||||
* We would not be able to accomodate
|
||||
* any more tag bits.
|
||||
*/
|
||||
return -1;
|
||||
}
|
||||
} else {
|
||||
val = (val << 7) | oct;
|
||||
*tag_r = (val << 2) | tclass;
|
||||
return skipped;
|
||||
}
|
||||
}
|
||||
|
||||
return 0; /* Want more */
|
||||
}
|
||||
|
||||
|
||||
ssize_t
|
||||
ber_tlv_tag_fwrite(ber_tlv_tag_t tag, FILE *f) {
|
||||
char buf[sizeof("[APPLICATION ]") + 32];
|
||||
ssize_t ret;
|
||||
|
||||
ret = ber_tlv_tag_snprint(tag, buf, sizeof(buf));
|
||||
if(ret >= (ssize_t)sizeof(buf) || ret < 2) {
|
||||
errno = EPERM;
|
||||
return -1;
|
||||
}
|
||||
|
||||
return fwrite(buf, 1, ret, f);
|
||||
}
|
||||
|
||||
ssize_t
|
||||
ber_tlv_tag_snprint(ber_tlv_tag_t tag, char *buf, size_t size) {
|
||||
char *type = 0;
|
||||
int ret;
|
||||
|
||||
switch(tag & 0x3) {
|
||||
case ASN_TAG_CLASS_UNIVERSAL: type = "UNIVERSAL "; break;
|
||||
case ASN_TAG_CLASS_APPLICATION: type = "APPLICATION "; break;
|
||||
case ASN_TAG_CLASS_CONTEXT: type = ""; break;
|
||||
case ASN_TAG_CLASS_PRIVATE: type = "PRIVATE "; break;
|
||||
}
|
||||
|
||||
ret = snprintf(buf, size, "[%s%u]", type, ((unsigned)tag) >> 2);
|
||||
if(ret <= 0 && size) buf[0] = '\0'; /* against broken libc's */
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
char *
|
||||
ber_tlv_tag_string(ber_tlv_tag_t tag) {
|
||||
static char buf[sizeof("[APPLICATION ]") + 32];
|
||||
|
||||
(void)ber_tlv_tag_snprint(tag, buf, sizeof(buf));
|
||||
|
||||
return buf;
|
||||
}
|
||||
|
||||
|
||||
size_t
|
||||
ber_tlv_tag_serialize(ber_tlv_tag_t tag, void *bufp, size_t size) {
|
||||
int tclass = BER_TAG_CLASS(tag);
|
||||
ber_tlv_tag_t tval = BER_TAG_VALUE(tag);
|
||||
uint8_t *buf = (uint8_t *)bufp;
|
||||
uint8_t *end;
|
||||
size_t required_size;
|
||||
size_t i;
|
||||
|
||||
if(tval <= 30) {
|
||||
/* Encoded in 1 octet */
|
||||
if(size) buf[0] = (tclass << 6) | tval;
|
||||
return 1;
|
||||
} else if(size) {
|
||||
*buf++ = (tclass << 6) | 0x1F;
|
||||
size--;
|
||||
}
|
||||
|
||||
/*
|
||||
* Compute the size of the subsequent bytes.
|
||||
*/
|
||||
for(required_size = 1, i = 7; i < 8 * sizeof(tval); i += 7) {
|
||||
if(tval >> i)
|
||||
required_size++;
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
if(size < required_size)
|
||||
return required_size + 1;
|
||||
|
||||
/*
|
||||
* Fill in the buffer, space permitting.
|
||||
*/
|
||||
end = buf + required_size - 1;
|
||||
for(i -= 7; buf < end; i -= 7, buf++)
|
||||
*buf = 0x80 | ((tval >> i) & 0x7F);
|
||||
*buf = (tval & 0x7F); /* Last octet without high bit */
|
||||
|
||||
return required_size + 1;
|
||||
}
|
||||
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/ber_tlv_tag.h
|
||||
Vendored
+60
@@ -0,0 +1,60 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _BER_TLV_TAG_H_
|
||||
#define _BER_TLV_TAG_H_
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
enum asn_tag_class {
|
||||
ASN_TAG_CLASS_UNIVERSAL = 0, /* 0b00 */
|
||||
ASN_TAG_CLASS_APPLICATION = 1, /* 0b01 */
|
||||
ASN_TAG_CLASS_CONTEXT = 2, /* 0b10 */
|
||||
ASN_TAG_CLASS_PRIVATE = 3 /* 0b11 */
|
||||
};
|
||||
typedef unsigned ber_tlv_tag_t; /* BER TAG from Tag-Length-Value */
|
||||
|
||||
/*
|
||||
* Tag class is encoded together with tag value for optimization purposes.
|
||||
*/
|
||||
#define BER_TAG_CLASS(tag) ((tag) & 0x3)
|
||||
#define BER_TAG_VALUE(tag) ((tag) >> 2)
|
||||
#define BER_TLV_CONSTRUCTED(tagptr) (((*(const uint8_t *)tagptr)&0x20)?1:0)
|
||||
|
||||
#define BER_TAGS_EQUAL(tag1, tag2) ((tag1) == (tag2))
|
||||
|
||||
/*
|
||||
* Several functions for printing the TAG in the canonical form
|
||||
* (i.e. "[PRIVATE 0]").
|
||||
* Return values correspond to their libc counterparts (if any).
|
||||
*/
|
||||
ssize_t ber_tlv_tag_snprint(ber_tlv_tag_t tag, char *buf, size_t buflen);
|
||||
ssize_t ber_tlv_tag_fwrite(ber_tlv_tag_t tag, FILE *);
|
||||
char *ber_tlv_tag_string(ber_tlv_tag_t tag);
|
||||
|
||||
|
||||
/*
|
||||
* This function tries to fetch the tag from the input stream.
|
||||
* RETURN VALUES:
|
||||
* 0: More data expected than bufptr contains.
|
||||
* -1: Fatal error deciphering tag.
|
||||
* >0: Number of bytes used from bufptr. tag_r will contain the tag.
|
||||
*/
|
||||
ssize_t ber_fetch_tag(const void *bufptr, size_t size, ber_tlv_tag_t *tag_r);
|
||||
|
||||
/*
|
||||
* This function serializes the tag (T from TLV) in BER format.
|
||||
* It always returns number of bytes necessary to represent the tag,
|
||||
* it is a caller's responsibility to check the return value
|
||||
* against the supplied buffer's size.
|
||||
*/
|
||||
size_t ber_tlv_tag_serialize(ber_tlv_tag_t tag, void *bufptr, size_t size);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _BER_TLV_TAG_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_CHOICE.c
|
||||
Vendored
+1110
File diff suppressed because it is too large
Load Diff
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_CHOICE.h
|
||||
Vendored
+57
@@ -0,0 +1,57 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2005 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _CONSTR_CHOICE_H_
|
||||
#define _CONSTR_CHOICE_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct asn_CHOICE_specifics_s {
|
||||
/*
|
||||
* Target structure description.
|
||||
*/
|
||||
int struct_size; /* Size of the target structure. */
|
||||
int ctx_offset; /* Offset of the asn_codec_ctx_t member */
|
||||
int pres_offset; /* Identifier of the present member */
|
||||
int pres_size; /* Size of the identifier (enum) */
|
||||
|
||||
/*
|
||||
* Tags to members mapping table.
|
||||
*/
|
||||
asn_TYPE_tag2member_t *tag2el;
|
||||
int tag2el_count;
|
||||
|
||||
/* Canonical ordering of CHOICE elements, for PER */
|
||||
int *canonical_order;
|
||||
|
||||
/*
|
||||
* Extensions-related stuff.
|
||||
*/
|
||||
int ext_start; /* First member of extensions, or -1 */
|
||||
} asn_CHOICE_specifics_t;
|
||||
|
||||
/*
|
||||
* A set specialized functions dealing with the CHOICE type.
|
||||
*/
|
||||
asn_struct_free_f CHOICE_free;
|
||||
asn_struct_print_f CHOICE_print;
|
||||
asn_constr_check_f CHOICE_constraint;
|
||||
ber_type_decoder_f CHOICE_decode_ber;
|
||||
der_type_encoder_f CHOICE_encode_der;
|
||||
xer_type_decoder_f CHOICE_decode_xer;
|
||||
xer_type_encoder_f CHOICE_encode_xer;
|
||||
per_type_decoder_f CHOICE_decode_uper;
|
||||
per_type_encoder_f CHOICE_encode_uper;
|
||||
asn_outmost_tag_f CHOICE_outmost_tag;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _CONSTR_CHOICE_H_ */
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_SEQUENCE.c
|
||||
+1423
File diff suppressed because it is too large
Load Diff
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_SEQUENCE.h
|
||||
+60
@@ -0,0 +1,60 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _CONSTR_SEQUENCE_H_
|
||||
#define _CONSTR_SEQUENCE_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct asn_SEQUENCE_specifics_s {
|
||||
/*
|
||||
* Target structure description.
|
||||
*/
|
||||
int struct_size; /* Size of the target structure. */
|
||||
int ctx_offset; /* Offset of the asn_struct_ctx_t member */
|
||||
|
||||
/*
|
||||
* Tags to members mapping table (sorted).
|
||||
*/
|
||||
asn_TYPE_tag2member_t *tag2el;
|
||||
int tag2el_count;
|
||||
|
||||
/*
|
||||
* Optional members of the extensions root (roms) or additions (aoms).
|
||||
* Meaningful for PER.
|
||||
*/
|
||||
int *oms; /* Optional MemberS */
|
||||
int roms_count; /* Root optional members count */
|
||||
int aoms_count; /* Additions optional members count */
|
||||
|
||||
/*
|
||||
* Description of an extensions group.
|
||||
*/
|
||||
int ext_after; /* Extensions start after this member */
|
||||
int ext_before; /* Extensions stop before this member */
|
||||
} asn_SEQUENCE_specifics_t;
|
||||
|
||||
|
||||
/*
|
||||
* A set specialized functions dealing with the SEQUENCE type.
|
||||
*/
|
||||
asn_struct_free_f SEQUENCE_free;
|
||||
asn_struct_print_f SEQUENCE_print;
|
||||
asn_constr_check_f SEQUENCE_constraint;
|
||||
ber_type_decoder_f SEQUENCE_decode_ber;
|
||||
der_type_encoder_f SEQUENCE_encode_der;
|
||||
xer_type_decoder_f SEQUENCE_decode_xer;
|
||||
xer_type_encoder_f SEQUENCE_encode_xer;
|
||||
per_type_decoder_f SEQUENCE_decode_uper;
|
||||
per_type_encoder_f SEQUENCE_encode_uper;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _CONSTR_SEQUENCE_H_ */
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_SEQUENCE_OF.c
|
||||
+208
@@ -0,0 +1,208 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2006 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <constr_SEQUENCE_OF.h>
|
||||
#include <asn_SEQUENCE_OF.h>
|
||||
|
||||
/*
|
||||
* The DER encoder of the SEQUENCE OF type.
|
||||
*/
|
||||
asn_enc_rval_t
|
||||
SEQUENCE_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
|
||||
int tag_mode, ber_tlv_tag_t tag,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_TYPE_member_t *elm = td->elements;
|
||||
asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(ptr);
|
||||
size_t computed_size = 0;
|
||||
ssize_t encoding_size = 0;
|
||||
asn_enc_rval_t erval;
|
||||
int edx;
|
||||
|
||||
ASN_DEBUG("Estimating size of SEQUENCE OF %s", td->name);
|
||||
|
||||
/*
|
||||
* Gather the length of the underlying members sequence.
|
||||
*/
|
||||
for(edx = 0; edx < list->count; edx++) {
|
||||
void *memb_ptr = list->array[edx];
|
||||
if(!memb_ptr) continue;
|
||||
erval = elm->type->der_encoder(elm->type, memb_ptr,
|
||||
0, elm->tag,
|
||||
0, 0);
|
||||
if(erval.encoded == -1)
|
||||
return erval;
|
||||
computed_size += erval.encoded;
|
||||
}
|
||||
|
||||
/*
|
||||
* Encode the TLV for the sequence itself.
|
||||
*/
|
||||
encoding_size = der_write_tags(td, computed_size, tag_mode, 1, tag,
|
||||
cb, app_key);
|
||||
if(encoding_size == -1) {
|
||||
erval.encoded = -1;
|
||||
erval.failed_type = td;
|
||||
erval.structure_ptr = ptr;
|
||||
return erval;
|
||||
}
|
||||
|
||||
computed_size += encoding_size;
|
||||
if(!cb) {
|
||||
erval.encoded = computed_size;
|
||||
_ASN_ENCODED_OK(erval);
|
||||
}
|
||||
|
||||
ASN_DEBUG("Encoding members of SEQUENCE OF %s", td->name);
|
||||
|
||||
/*
|
||||
* Encode all members.
|
||||
*/
|
||||
for(edx = 0; edx < list->count; edx++) {
|
||||
void *memb_ptr = list->array[edx];
|
||||
if(!memb_ptr) continue;
|
||||
erval = elm->type->der_encoder(elm->type, memb_ptr,
|
||||
0, elm->tag,
|
||||
cb, app_key);
|
||||
if(erval.encoded == -1)
|
||||
return erval;
|
||||
encoding_size += erval.encoded;
|
||||
}
|
||||
|
||||
if(computed_size != (size_t)encoding_size) {
|
||||
/*
|
||||
* Encoded size is not equal to the computed size.
|
||||
*/
|
||||
erval.encoded = -1;
|
||||
erval.failed_type = td;
|
||||
erval.structure_ptr = ptr;
|
||||
} else {
|
||||
erval.encoded = computed_size;
|
||||
erval.structure_ptr = 0;
|
||||
erval.failed_type = 0;
|
||||
}
|
||||
|
||||
return erval;
|
||||
}
|
||||
|
||||
asn_enc_rval_t
|
||||
SEQUENCE_OF_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int ilevel, enum xer_encoder_flags_e flags,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_enc_rval_t er;
|
||||
asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
|
||||
asn_TYPE_member_t *elm = td->elements;
|
||||
asn_anonymous_sequence_ *list = _A_SEQUENCE_FROM_VOID(sptr);
|
||||
const char *mname = specs->as_XMLValueList
|
||||
? 0 : ((*elm->name) ? elm->name : elm->type->xml_tag);
|
||||
unsigned int mlen = mname ? strlen(mname) : 0;
|
||||
int xcan = (flags & XER_F_CANONICAL);
|
||||
int i;
|
||||
|
||||
if(!sptr) _ASN_ENCODE_FAILED;
|
||||
|
||||
er.encoded = 0;
|
||||
|
||||
for(i = 0; i < list->count; i++) {
|
||||
asn_enc_rval_t tmper;
|
||||
void *memb_ptr = list->array[i];
|
||||
if(!memb_ptr) continue;
|
||||
|
||||
if(mname) {
|
||||
if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel);
|
||||
_ASN_CALLBACK3("<", 1, mname, mlen, ">", 1);
|
||||
}
|
||||
|
||||
tmper = elm->type->xer_encoder(elm->type, memb_ptr,
|
||||
ilevel + 1, flags, cb, app_key);
|
||||
if(tmper.encoded == -1) return tmper;
|
||||
if(tmper.encoded == 0 && specs->as_XMLValueList) {
|
||||
const char *name = elm->type->xml_tag;
|
||||
size_t len = strlen(name);
|
||||
if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel + 1);
|
||||
_ASN_CALLBACK3("<", 1, name, len, "/>", 2);
|
||||
}
|
||||
|
||||
if(mname) {
|
||||
_ASN_CALLBACK3("</", 2, mname, mlen, ">", 1);
|
||||
er.encoded += 5;
|
||||
}
|
||||
|
||||
er.encoded += (2 * mlen) + tmper.encoded;
|
||||
}
|
||||
|
||||
if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel - 1);
|
||||
|
||||
_ASN_ENCODED_OK(er);
|
||||
cb_failed:
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
|
||||
asn_enc_rval_t
|
||||
SEQUENCE_OF_encode_uper(asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
|
||||
asn_anonymous_sequence_ *list;
|
||||
asn_per_constraint_t *ct;
|
||||
asn_enc_rval_t er;
|
||||
asn_TYPE_member_t *elm = td->elements;
|
||||
int seq;
|
||||
|
||||
if(!sptr) _ASN_ENCODE_FAILED;
|
||||
list = _A_SEQUENCE_FROM_VOID(sptr);
|
||||
|
||||
er.encoded = 0;
|
||||
|
||||
ASN_DEBUG("Encoding %s as SEQUENCE OF (%d)", td->name, list->count);
|
||||
|
||||
if(constraints) ct = &constraints->size;
|
||||
else if(td->per_constraints) ct = &td->per_constraints->size;
|
||||
else ct = 0;
|
||||
|
||||
/* If extensible constraint, check if size is in root */
|
||||
if(ct) {
|
||||
int not_in_root = (list->count < ct->lower_bound
|
||||
|| list->count > ct->upper_bound);
|
||||
ASN_DEBUG("lb %ld ub %ld %s",
|
||||
ct->lower_bound, ct->upper_bound,
|
||||
ct->flags & APC_EXTENSIBLE ? "ext" : "fix");
|
||||
if(ct->flags & APC_EXTENSIBLE) {
|
||||
/* Declare whether size is in extension root */
|
||||
if(per_put_few_bits(po, not_in_root, 1))
|
||||
_ASN_ENCODE_FAILED;
|
||||
if(not_in_root) ct = 0;
|
||||
} else if(not_in_root && ct->effective_bits >= 0)
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
|
||||
if(ct && ct->effective_bits >= 0) {
|
||||
/* X.691, #19.5: No length determinant */
|
||||
if(per_put_few_bits(po, list->count - ct->lower_bound,
|
||||
ct->effective_bits))
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
|
||||
for(seq = -1; seq < list->count;) {
|
||||
ssize_t mayEncode;
|
||||
if(seq < 0) seq = 0;
|
||||
if(ct && ct->effective_bits >= 0) {
|
||||
mayEncode = list->count;
|
||||
} else {
|
||||
mayEncode = uper_put_length(po, list->count - seq);
|
||||
if(mayEncode < 0) _ASN_ENCODE_FAILED;
|
||||
}
|
||||
|
||||
while(mayEncode--) {
|
||||
void *memb_ptr = list->array[seq++];
|
||||
if(!memb_ptr) _ASN_ENCODE_FAILED;
|
||||
er = elm->type->uper_encoder(elm->type,
|
||||
elm->per_constraints, memb_ptr, po);
|
||||
if(er.encoded == -1)
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
}
|
||||
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_SEQUENCE_OF.h
|
||||
+33
@@ -0,0 +1,33 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2005 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _CONSTR_SEQUENCE_OF_H_
|
||||
#define _CONSTR_SEQUENCE_OF_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
#include <constr_SET_OF.h> /* Implemented using SET OF */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/*
|
||||
* A set specialized functions dealing with the SEQUENCE OF type.
|
||||
* Generally implemented using SET OF.
|
||||
*/
|
||||
#define SEQUENCE_OF_free SET_OF_free
|
||||
#define SEQUENCE_OF_print SET_OF_print
|
||||
#define SEQUENCE_OF_constraint SET_OF_constraint
|
||||
#define SEQUENCE_OF_decode_ber SET_OF_decode_ber
|
||||
#define SEQUENCE_OF_decode_xer SET_OF_decode_xer
|
||||
#define SEQUENCE_OF_decode_uper SET_OF_decode_uper
|
||||
der_type_encoder_f SEQUENCE_OF_encode_der;
|
||||
xer_type_encoder_f SEQUENCE_OF_encode_xer;
|
||||
per_type_encoder_f SEQUENCE_OF_encode_uper;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _CONSTR_SET_OF_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_SET_OF.c
|
||||
Vendored
+953
@@ -0,0 +1,953 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2005 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <constr_SET_OF.h>
|
||||
#include <asn_SET_OF.h>
|
||||
|
||||
/*
|
||||
* Number of bytes left for this structure.
|
||||
* (ctx->left) indicates the number of bytes _transferred_ for the structure.
|
||||
* (size) contains the number of bytes in the buffer passed.
|
||||
*/
|
||||
#define LEFT ((size<(size_t)ctx->left)?size:(size_t)ctx->left)
|
||||
|
||||
/*
|
||||
* If the subprocessor function returns with an indication that it wants
|
||||
* more data, it may well be a fatal decoding problem, because the
|
||||
* size is constrained by the <TLV>'s L, even if the buffer size allows
|
||||
* reading more data.
|
||||
* For example, consider the buffer containing the following TLVs:
|
||||
* <T:5><L:1><V> <T:6>...
|
||||
* The TLV length clearly indicates that one byte is expected in V, but
|
||||
* if the V processor returns with "want more data" even if the buffer
|
||||
* contains way more data than the V processor have seen.
|
||||
*/
|
||||
#define SIZE_VIOLATION (ctx->left >= 0 && (size_t)ctx->left <= size)
|
||||
|
||||
/*
|
||||
* This macro "eats" the part of the buffer which is definitely "consumed",
|
||||
* i.e. was correctly converted into local representation or rightfully skipped.
|
||||
*/
|
||||
#undef ADVANCE
|
||||
#define ADVANCE(num_bytes) do { \
|
||||
size_t num = num_bytes; \
|
||||
ptr = ((const char *)ptr) + num;\
|
||||
size -= num; \
|
||||
if(ctx->left >= 0) \
|
||||
ctx->left -= num; \
|
||||
consumed_myself += num; \
|
||||
} while(0)
|
||||
|
||||
/*
|
||||
* Switch to the next phase of parsing.
|
||||
*/
|
||||
#undef NEXT_PHASE
|
||||
#undef PHASE_OUT
|
||||
#define NEXT_PHASE(ctx) do { \
|
||||
ctx->phase++; \
|
||||
ctx->step = 0; \
|
||||
} while(0)
|
||||
#define PHASE_OUT(ctx) do { ctx->phase = 10; } while(0)
|
||||
|
||||
/*
|
||||
* Return a standardized complex structure.
|
||||
*/
|
||||
#undef RETURN
|
||||
#define RETURN(_code) do { \
|
||||
rval.code = _code; \
|
||||
rval.consumed = consumed_myself;\
|
||||
return rval; \
|
||||
} while(0)
|
||||
|
||||
/*
|
||||
* The decoder of the SET OF type.
|
||||
*/
|
||||
asn_dec_rval_t
|
||||
SET_OF_decode_ber(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
|
||||
void **struct_ptr, const void *ptr, size_t size, int tag_mode) {
|
||||
/*
|
||||
* Bring closer parts of structure description.
|
||||
*/
|
||||
asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
|
||||
asn_TYPE_member_t *elm = td->elements; /* Single one */
|
||||
|
||||
/*
|
||||
* Parts of the structure being constructed.
|
||||
*/
|
||||
void *st = *struct_ptr; /* Target structure. */
|
||||
asn_struct_ctx_t *ctx; /* Decoder context */
|
||||
|
||||
ber_tlv_tag_t tlv_tag; /* T from TLV */
|
||||
asn_dec_rval_t rval; /* Return code from subparsers */
|
||||
|
||||
ssize_t consumed_myself = 0; /* Consumed bytes from ptr */
|
||||
|
||||
ASN_DEBUG("Decoding %s as SET OF", td->name);
|
||||
|
||||
/*
|
||||
* Create the target structure if it is not present already.
|
||||
*/
|
||||
if(st == 0) {
|
||||
st = *struct_ptr = CALLOC(1, specs->struct_size);
|
||||
if(st == 0) {
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Restore parsing context.
|
||||
*/
|
||||
ctx = (asn_struct_ctx_t *)((char *)st + specs->ctx_offset);
|
||||
|
||||
/*
|
||||
* Start to parse where left previously
|
||||
*/
|
||||
switch(ctx->phase) {
|
||||
case 0:
|
||||
/*
|
||||
* PHASE 0.
|
||||
* Check that the set of tags associated with given structure
|
||||
* perfectly fits our expectations.
|
||||
*/
|
||||
|
||||
rval = ber_check_tags(opt_codec_ctx, td, ctx, ptr, size,
|
||||
tag_mode, 1, &ctx->left, 0);
|
||||
if(rval.code != RC_OK) {
|
||||
ASN_DEBUG("%s tagging check failed: %d",
|
||||
td->name, rval.code);
|
||||
return rval;
|
||||
}
|
||||
|
||||
if(ctx->left >= 0)
|
||||
ctx->left += rval.consumed; /* ?Substracted below! */
|
||||
ADVANCE(rval.consumed);
|
||||
|
||||
ASN_DEBUG("Structure consumes %ld bytes, "
|
||||
"buffer %ld", (long)ctx->left, (long)size);
|
||||
|
||||
NEXT_PHASE(ctx);
|
||||
/* Fall through */
|
||||
case 1:
|
||||
/*
|
||||
* PHASE 1.
|
||||
* From the place where we've left it previously,
|
||||
* try to decode the next item.
|
||||
*/
|
||||
for(;; ctx->step = 0) {
|
||||
ssize_t tag_len; /* Length of TLV's T */
|
||||
|
||||
if(ctx->step & 1)
|
||||
goto microphase2;
|
||||
|
||||
/*
|
||||
* MICROPHASE 1: Synchronize decoding.
|
||||
*/
|
||||
|
||||
if(ctx->left == 0) {
|
||||
ASN_DEBUG("End of SET OF %s", td->name);
|
||||
/*
|
||||
* No more things to decode.
|
||||
* Exit out of here.
|
||||
*/
|
||||
PHASE_OUT(ctx);
|
||||
RETURN(RC_OK);
|
||||
}
|
||||
|
||||
/*
|
||||
* Fetch the T from TLV.
|
||||
*/
|
||||
tag_len = ber_fetch_tag(ptr, LEFT, &tlv_tag);
|
||||
switch(tag_len) {
|
||||
case 0: if(!SIZE_VIOLATION) RETURN(RC_WMORE);
|
||||
/* Fall through */
|
||||
case -1: RETURN(RC_FAIL);
|
||||
}
|
||||
|
||||
if(ctx->left < 0 && ((const uint8_t *)ptr)[0] == 0) {
|
||||
if(LEFT < 2) {
|
||||
if(SIZE_VIOLATION)
|
||||
RETURN(RC_FAIL);
|
||||
else
|
||||
RETURN(RC_WMORE);
|
||||
} else if(((const uint8_t *)ptr)[1] == 0) {
|
||||
/*
|
||||
* Found the terminator of the
|
||||
* indefinite length structure.
|
||||
*/
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Outmost tag may be unknown and cannot be fetched/compared */
|
||||
if(elm->tag != (ber_tlv_tag_t)-1) {
|
||||
if(BER_TAGS_EQUAL(tlv_tag, elm->tag)) {
|
||||
/*
|
||||
* The new list member of expected type has arrived.
|
||||
*/
|
||||
} else {
|
||||
ASN_DEBUG("Unexpected tag %s fixed SET OF %s",
|
||||
ber_tlv_tag_string(tlv_tag), td->name);
|
||||
ASN_DEBUG("%s SET OF has tag %s",
|
||||
td->name, ber_tlv_tag_string(elm->tag));
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* MICROPHASE 2: Invoke the member-specific decoder.
|
||||
*/
|
||||
ctx->step |= 1; /* Confirm entering next microphase */
|
||||
microphase2:
|
||||
|
||||
/*
|
||||
* Invoke the member fetch routine according to member's type
|
||||
*/
|
||||
rval = elm->type->ber_decoder(opt_codec_ctx,
|
||||
elm->type, &ctx->ptr, ptr, LEFT, 0);
|
||||
ASN_DEBUG("In %s SET OF %s code %d consumed %d",
|
||||
td->name, elm->type->name,
|
||||
rval.code, (int)rval.consumed);
|
||||
switch(rval.code) {
|
||||
case RC_OK:
|
||||
{
|
||||
asn_anonymous_set_ *list = _A_SET_FROM_VOID(st);
|
||||
if(ASN_SET_ADD(list, ctx->ptr) != 0)
|
||||
RETURN(RC_FAIL);
|
||||
else
|
||||
ctx->ptr = 0;
|
||||
}
|
||||
break;
|
||||
case RC_WMORE: /* More data expected */
|
||||
if(!SIZE_VIOLATION) {
|
||||
ADVANCE(rval.consumed);
|
||||
RETURN(RC_WMORE);
|
||||
}
|
||||
/* Fall through */
|
||||
case RC_FAIL: /* Fatal error */
|
||||
ASN_STRUCT_FREE(*elm->type, ctx->ptr);
|
||||
ctx->ptr = 0;
|
||||
RETURN(RC_FAIL);
|
||||
} /* switch(rval) */
|
||||
|
||||
ADVANCE(rval.consumed);
|
||||
} /* for(all list members) */
|
||||
|
||||
NEXT_PHASE(ctx);
|
||||
case 2:
|
||||
/*
|
||||
* Read in all "end of content" TLVs.
|
||||
*/
|
||||
while(ctx->left < 0) {
|
||||
if(LEFT < 2) {
|
||||
if(LEFT > 0 && ((const char *)ptr)[0] != 0) {
|
||||
/* Unexpected tag */
|
||||
RETURN(RC_FAIL);
|
||||
} else {
|
||||
RETURN(RC_WMORE);
|
||||
}
|
||||
}
|
||||
if(((const char *)ptr)[0] == 0
|
||||
&& ((const char *)ptr)[1] == 0) {
|
||||
ADVANCE(2);
|
||||
ctx->left++;
|
||||
} else {
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
}
|
||||
|
||||
PHASE_OUT(ctx);
|
||||
}
|
||||
|
||||
RETURN(RC_OK);
|
||||
}
|
||||
|
||||
/*
|
||||
* Internally visible buffer holding a single encoded element.
|
||||
*/
|
||||
struct _el_buffer {
|
||||
uint8_t *buf;
|
||||
size_t length;
|
||||
size_t size;
|
||||
};
|
||||
/* Append bytes to the above structure */
|
||||
static int _el_addbytes(const void *buffer, size_t size, void *el_buf_ptr) {
|
||||
struct _el_buffer *el_buf = (struct _el_buffer *)el_buf_ptr;
|
||||
|
||||
if(el_buf->length + size > el_buf->size)
|
||||
return -1;
|
||||
|
||||
memcpy(el_buf->buf + el_buf->length, buffer, size);
|
||||
|
||||
el_buf->length += size;
|
||||
return 0;
|
||||
}
|
||||
static int _el_buf_cmp(const void *ap, const void *bp) {
|
||||
const struct _el_buffer *a = (const struct _el_buffer *)ap;
|
||||
const struct _el_buffer *b = (const struct _el_buffer *)bp;
|
||||
int ret;
|
||||
size_t common_len;
|
||||
|
||||
if(a->length < b->length)
|
||||
common_len = a->length;
|
||||
else
|
||||
common_len = b->length;
|
||||
|
||||
ret = memcmp(a->buf, b->buf, common_len);
|
||||
if(ret == 0) {
|
||||
if(a->length < b->length)
|
||||
ret = -1;
|
||||
else if(a->length > b->length)
|
||||
ret = 1;
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* The DER encoder of the SET OF type.
|
||||
*/
|
||||
asn_enc_rval_t
|
||||
SET_OF_encode_der(asn_TYPE_descriptor_t *td, void *ptr,
|
||||
int tag_mode, ber_tlv_tag_t tag,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_TYPE_member_t *elm = td->elements;
|
||||
asn_TYPE_descriptor_t *elm_type = elm->type;
|
||||
der_type_encoder_f *der_encoder = elm_type->der_encoder;
|
||||
asn_anonymous_set_ *list = _A_SET_FROM_VOID(ptr);
|
||||
size_t computed_size = 0;
|
||||
ssize_t encoding_size = 0;
|
||||
struct _el_buffer *encoded_els;
|
||||
ssize_t eels_count = 0;
|
||||
size_t max_encoded_len = 1;
|
||||
asn_enc_rval_t erval;
|
||||
int ret;
|
||||
int edx;
|
||||
|
||||
ASN_DEBUG("Estimating size for SET OF %s", td->name);
|
||||
|
||||
/*
|
||||
* Gather the length of the underlying members sequence.
|
||||
*/
|
||||
for(edx = 0; edx < list->count; edx++) {
|
||||
void *memb_ptr = list->array[edx];
|
||||
if(!memb_ptr) continue;
|
||||
erval = der_encoder(elm_type, memb_ptr, 0, elm->tag, 0, 0);
|
||||
if(erval.encoded == -1)
|
||||
return erval;
|
||||
computed_size += erval.encoded;
|
||||
|
||||
/* Compute maximum encoding's size */
|
||||
if(max_encoded_len < (size_t)erval.encoded)
|
||||
max_encoded_len = erval.encoded;
|
||||
}
|
||||
|
||||
/*
|
||||
* Encode the TLV for the sequence itself.
|
||||
*/
|
||||
encoding_size = der_write_tags(td, computed_size, tag_mode, 1, tag,
|
||||
cb, app_key);
|
||||
if(encoding_size == -1) {
|
||||
erval.encoded = -1;
|
||||
erval.failed_type = td;
|
||||
erval.structure_ptr = ptr;
|
||||
return erval;
|
||||
}
|
||||
computed_size += encoding_size;
|
||||
|
||||
if(!cb || list->count == 0) {
|
||||
erval.encoded = computed_size;
|
||||
_ASN_ENCODED_OK(erval);
|
||||
}
|
||||
|
||||
/*
|
||||
* DER mandates dynamic sorting of the SET OF elements
|
||||
* according to their encodings. Build an array of the
|
||||
* encoded elements.
|
||||
*/
|
||||
encoded_els = (struct _el_buffer *)MALLOC(
|
||||
list->count * sizeof(encoded_els[0]));
|
||||
if(encoded_els == NULL) {
|
||||
erval.encoded = -1;
|
||||
erval.failed_type = td;
|
||||
erval.structure_ptr = ptr;
|
||||
return erval;
|
||||
}
|
||||
|
||||
ASN_DEBUG("Encoding members of %s SET OF", td->name);
|
||||
|
||||
/*
|
||||
* Encode all members.
|
||||
*/
|
||||
for(edx = 0; edx < list->count; edx++) {
|
||||
void *memb_ptr = list->array[edx];
|
||||
struct _el_buffer *encoded_el = &encoded_els[eels_count];
|
||||
|
||||
if(!memb_ptr) continue;
|
||||
|
||||
/*
|
||||
* Prepare space for encoding.
|
||||
*/
|
||||
encoded_el->buf = (uint8_t *)MALLOC(max_encoded_len);
|
||||
if(encoded_el->buf) {
|
||||
encoded_el->length = 0;
|
||||
encoded_el->size = max_encoded_len;
|
||||
} else {
|
||||
for(edx--; edx >= 0; edx--)
|
||||
FREEMEM(encoded_els[edx].buf);
|
||||
FREEMEM(encoded_els);
|
||||
erval.encoded = -1;
|
||||
erval.failed_type = td;
|
||||
erval.structure_ptr = ptr;
|
||||
return erval;
|
||||
}
|
||||
|
||||
/*
|
||||
* Encode the member into the prepared space.
|
||||
*/
|
||||
erval = der_encoder(elm_type, memb_ptr, 0, elm->tag,
|
||||
_el_addbytes, encoded_el);
|
||||
if(erval.encoded == -1) {
|
||||
for(; edx >= 0; edx--)
|
||||
FREEMEM(encoded_els[edx].buf);
|
||||
FREEMEM(encoded_els);
|
||||
return erval;
|
||||
}
|
||||
encoding_size += erval.encoded;
|
||||
eels_count++;
|
||||
}
|
||||
|
||||
/*
|
||||
* Sort the encoded elements according to their encoding.
|
||||
*/
|
||||
qsort(encoded_els, eels_count, sizeof(encoded_els[0]), _el_buf_cmp);
|
||||
|
||||
/*
|
||||
* Report encoded elements to the application.
|
||||
* Dispose of temporary sorted members table.
|
||||
*/
|
||||
ret = 0;
|
||||
for(edx = 0; edx < eels_count; edx++) {
|
||||
struct _el_buffer *encoded_el = &encoded_els[edx];
|
||||
/* Report encoded chunks to the application */
|
||||
if(ret == 0
|
||||
&& cb(encoded_el->buf, encoded_el->length, app_key) < 0)
|
||||
ret = -1;
|
||||
FREEMEM(encoded_el->buf);
|
||||
}
|
||||
FREEMEM(encoded_els);
|
||||
|
||||
if(ret || computed_size != (size_t)encoding_size) {
|
||||
/*
|
||||
* Standard callback failed, or
|
||||
* encoded size is not equal to the computed size.
|
||||
*/
|
||||
erval.encoded = -1;
|
||||
erval.failed_type = td;
|
||||
erval.structure_ptr = ptr;
|
||||
} else {
|
||||
erval.encoded = computed_size;
|
||||
}
|
||||
|
||||
_ASN_ENCODED_OK(erval);
|
||||
}
|
||||
|
||||
#undef XER_ADVANCE
|
||||
#define XER_ADVANCE(num_bytes) do { \
|
||||
size_t num = num_bytes; \
|
||||
buf_ptr = ((const char *)buf_ptr) + num;\
|
||||
size -= num; \
|
||||
consumed_myself += num; \
|
||||
} while(0)
|
||||
|
||||
/*
|
||||
* Decode the XER (XML) data.
|
||||
*/
|
||||
asn_dec_rval_t
|
||||
SET_OF_decode_xer(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
|
||||
void **struct_ptr, const char *opt_mname,
|
||||
const void *buf_ptr, size_t size) {
|
||||
/*
|
||||
* Bring closer parts of structure description.
|
||||
*/
|
||||
asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
|
||||
asn_TYPE_member_t *element = td->elements;
|
||||
const char *elm_tag;
|
||||
const char *xml_tag = opt_mname ? opt_mname : td->xml_tag;
|
||||
|
||||
/*
|
||||
* ... and parts of the structure being constructed.
|
||||
*/
|
||||
void *st = *struct_ptr; /* Target structure. */
|
||||
asn_struct_ctx_t *ctx; /* Decoder context */
|
||||
|
||||
asn_dec_rval_t rval; /* Return value from a decoder */
|
||||
ssize_t consumed_myself = 0; /* Consumed bytes from ptr */
|
||||
|
||||
/*
|
||||
* Create the target structure if it is not present already.
|
||||
*/
|
||||
if(st == 0) {
|
||||
st = *struct_ptr = CALLOC(1, specs->struct_size);
|
||||
if(st == 0) RETURN(RC_FAIL);
|
||||
}
|
||||
|
||||
/* Which tag is expected for the downstream */
|
||||
if(specs->as_XMLValueList) {
|
||||
elm_tag = (specs->as_XMLValueList == 1) ? 0 : "";
|
||||
} else {
|
||||
elm_tag = (*element->name)
|
||||
? element->name : element->type->xml_tag;
|
||||
}
|
||||
|
||||
/*
|
||||
* Restore parsing context.
|
||||
*/
|
||||
ctx = (asn_struct_ctx_t *)((char *)st + specs->ctx_offset);
|
||||
|
||||
/*
|
||||
* Phases of XER/XML processing:
|
||||
* Phase 0: Check that the opening tag matches our expectations.
|
||||
* Phase 1: Processing body and reacting on closing tag.
|
||||
* Phase 2: Processing inner type.
|
||||
*/
|
||||
for(; ctx->phase <= 2;) {
|
||||
pxer_chunk_type_e ch_type; /* XER chunk type */
|
||||
ssize_t ch_size; /* Chunk size */
|
||||
xer_check_tag_e tcv; /* Tag check value */
|
||||
|
||||
/*
|
||||
* Go inside the inner member of a set.
|
||||
*/
|
||||
if(ctx->phase == 2) {
|
||||
asn_dec_rval_t tmprval;
|
||||
|
||||
/* Invoke the inner type decoder, m.b. multiple times */
|
||||
ASN_DEBUG("XER/SET OF element [%s]", elm_tag);
|
||||
tmprval = element->type->xer_decoder(opt_codec_ctx,
|
||||
element->type, &ctx->ptr, elm_tag,
|
||||
buf_ptr, size);
|
||||
if(tmprval.code == RC_OK) {
|
||||
asn_anonymous_set_ *list = _A_SET_FROM_VOID(st);
|
||||
if(ASN_SET_ADD(list, ctx->ptr) != 0)
|
||||
RETURN(RC_FAIL);
|
||||
ctx->ptr = 0;
|
||||
XER_ADVANCE(tmprval.consumed);
|
||||
} else {
|
||||
XER_ADVANCE(tmprval.consumed);
|
||||
RETURN(tmprval.code);
|
||||
}
|
||||
ctx->phase = 1; /* Back to body processing */
|
||||
ASN_DEBUG("XER/SET OF phase => %d", ctx->phase);
|
||||
/* Fall through */
|
||||
}
|
||||
|
||||
/*
|
||||
* Get the next part of the XML stream.
|
||||
*/
|
||||
ch_size = xer_next_token(&ctx->context,
|
||||
buf_ptr, size, &ch_type);
|
||||
switch(ch_size) {
|
||||
case -1: RETURN(RC_FAIL);
|
||||
case 0: RETURN(RC_WMORE);
|
||||
default:
|
||||
switch(ch_type) {
|
||||
case PXER_COMMENT: /* Got XML comment */
|
||||
case PXER_TEXT: /* Ignore free-standing text */
|
||||
XER_ADVANCE(ch_size); /* Skip silently */
|
||||
continue;
|
||||
case PXER_TAG:
|
||||
break; /* Check the rest down there */
|
||||
}
|
||||
}
|
||||
|
||||
tcv = xer_check_tag(buf_ptr, ch_size, xml_tag);
|
||||
ASN_DEBUG("XER/SET OF: tcv = %d, ph=%d t=%s",
|
||||
tcv, ctx->phase, xml_tag);
|
||||
switch(tcv) {
|
||||
case XCT_CLOSING:
|
||||
if(ctx->phase == 0) break;
|
||||
ctx->phase = 0;
|
||||
/* Fall through */
|
||||
case XCT_BOTH:
|
||||
if(ctx->phase == 0) {
|
||||
/* No more things to decode */
|
||||
XER_ADVANCE(ch_size);
|
||||
ctx->phase = 3; /* Phase out */
|
||||
RETURN(RC_OK);
|
||||
}
|
||||
/* Fall through */
|
||||
case XCT_OPENING:
|
||||
if(ctx->phase == 0) {
|
||||
XER_ADVANCE(ch_size);
|
||||
ctx->phase = 1; /* Processing body phase */
|
||||
continue;
|
||||
}
|
||||
/* Fall through */
|
||||
case XCT_UNKNOWN_OP:
|
||||
case XCT_UNKNOWN_BO:
|
||||
|
||||
ASN_DEBUG("XER/SET OF: tcv=%d, ph=%d", tcv, ctx->phase);
|
||||
if(ctx->phase == 1) {
|
||||
/*
|
||||
* Process a single possible member.
|
||||
*/
|
||||
ctx->phase = 2;
|
||||
continue;
|
||||
}
|
||||
/* Fall through */
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
ASN_DEBUG("Unexpected XML tag in SET OF");
|
||||
break;
|
||||
}
|
||||
|
||||
ctx->phase = 3; /* "Phase out" on hard failure */
|
||||
RETURN(RC_FAIL);
|
||||
}
|
||||
|
||||
|
||||
|
||||
typedef struct xer_tmp_enc_s {
|
||||
void *buffer;
|
||||
size_t offset;
|
||||
size_t size;
|
||||
} xer_tmp_enc_t;
|
||||
static int
|
||||
SET_OF_encode_xer_callback(const void *buffer, size_t size, void *key) {
|
||||
xer_tmp_enc_t *t = (xer_tmp_enc_t *)key;
|
||||
if(t->offset + size >= t->size) {
|
||||
size_t newsize = (t->size << 2) + size;
|
||||
void *p = REALLOC(t->buffer, newsize);
|
||||
if(!p) return -1;
|
||||
t->buffer = p;
|
||||
t->size = newsize;
|
||||
}
|
||||
memcpy((char *)t->buffer + t->offset, buffer, size);
|
||||
t->offset += size;
|
||||
return 0;
|
||||
}
|
||||
static int
|
||||
SET_OF_xer_order(const void *aptr, const void *bptr) {
|
||||
const xer_tmp_enc_t *a = (const xer_tmp_enc_t *)aptr;
|
||||
const xer_tmp_enc_t *b = (const xer_tmp_enc_t *)bptr;
|
||||
size_t minlen = a->offset;
|
||||
int ret;
|
||||
if(b->offset < minlen) minlen = b->offset;
|
||||
/* Well-formed UTF-8 has this nice lexicographical property... */
|
||||
ret = memcmp(a->buffer, b->buffer, minlen);
|
||||
if(ret != 0) return ret;
|
||||
if(a->offset == b->offset)
|
||||
return 0;
|
||||
if(a->offset == minlen)
|
||||
return -1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
asn_enc_rval_t
|
||||
SET_OF_encode_xer(asn_TYPE_descriptor_t *td, void *sptr,
|
||||
int ilevel, enum xer_encoder_flags_e flags,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_enc_rval_t er;
|
||||
asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
|
||||
asn_TYPE_member_t *elm = td->elements;
|
||||
asn_anonymous_set_ *list = _A_SET_FROM_VOID(sptr);
|
||||
const char *mname = specs->as_XMLValueList
|
||||
? 0 : ((*elm->name) ? elm->name : elm->type->xml_tag);
|
||||
size_t mlen = mname ? strlen(mname) : 0;
|
||||
int xcan = (flags & XER_F_CANONICAL);
|
||||
xer_tmp_enc_t *encs = 0;
|
||||
size_t encs_count = 0;
|
||||
void *original_app_key = app_key;
|
||||
asn_app_consume_bytes_f *original_cb = cb;
|
||||
int i;
|
||||
|
||||
if(!sptr) _ASN_ENCODE_FAILED;
|
||||
|
||||
if(xcan) {
|
||||
encs = (xer_tmp_enc_t *)MALLOC(list->count * sizeof(encs[0]));
|
||||
if(!encs) _ASN_ENCODE_FAILED;
|
||||
cb = SET_OF_encode_xer_callback;
|
||||
}
|
||||
|
||||
er.encoded = 0;
|
||||
|
||||
for(i = 0; i < list->count; i++) {
|
||||
asn_enc_rval_t tmper;
|
||||
|
||||
void *memb_ptr = list->array[i];
|
||||
if(!memb_ptr) continue;
|
||||
|
||||
if(encs) {
|
||||
memset(&encs[encs_count], 0, sizeof(encs[0]));
|
||||
app_key = &encs[encs_count];
|
||||
encs_count++;
|
||||
}
|
||||
|
||||
if(mname) {
|
||||
if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel);
|
||||
_ASN_CALLBACK3("<", 1, mname, mlen, ">", 1);
|
||||
}
|
||||
|
||||
if(!xcan && specs->as_XMLValueList == 1)
|
||||
_i_ASN_TEXT_INDENT(1, ilevel + 1);
|
||||
tmper = elm->type->xer_encoder(elm->type, memb_ptr,
|
||||
ilevel + (specs->as_XMLValueList != 2),
|
||||
flags, cb, app_key);
|
||||
if(tmper.encoded == -1) {
|
||||
td = tmper.failed_type;
|
||||
sptr = tmper.structure_ptr;
|
||||
goto cb_failed;
|
||||
}
|
||||
if(tmper.encoded == 0 && specs->as_XMLValueList) {
|
||||
const char *name = elm->type->xml_tag;
|
||||
size_t len = strlen(name);
|
||||
_ASN_CALLBACK3("<", 1, name, len, "/>", 2);
|
||||
}
|
||||
|
||||
if(mname) {
|
||||
_ASN_CALLBACK3("</", 2, mname, mlen, ">", 1);
|
||||
er.encoded += 5;
|
||||
}
|
||||
|
||||
er.encoded += (2 * mlen) + tmper.encoded;
|
||||
}
|
||||
|
||||
if(!xcan) _i_ASN_TEXT_INDENT(1, ilevel - 1);
|
||||
|
||||
if(encs) {
|
||||
xer_tmp_enc_t *enc = encs;
|
||||
xer_tmp_enc_t *end = encs + encs_count;
|
||||
ssize_t control_size = 0;
|
||||
|
||||
cb = original_cb;
|
||||
app_key = original_app_key;
|
||||
qsort(encs, encs_count, sizeof(encs[0]), SET_OF_xer_order);
|
||||
|
||||
for(; enc < end; enc++) {
|
||||
_ASN_CALLBACK(enc->buffer, enc->offset);
|
||||
FREEMEM(enc->buffer);
|
||||
enc->buffer = 0;
|
||||
control_size += enc->offset;
|
||||
}
|
||||
assert(control_size == er.encoded);
|
||||
}
|
||||
|
||||
goto cleanup;
|
||||
cb_failed:
|
||||
er.encoded = -1;
|
||||
er.failed_type = td;
|
||||
er.structure_ptr = sptr;
|
||||
cleanup:
|
||||
if(encs) {
|
||||
while(encs_count-- > 0) {
|
||||
if(encs[encs_count].buffer)
|
||||
FREEMEM(encs[encs_count].buffer);
|
||||
}
|
||||
FREEMEM(encs);
|
||||
}
|
||||
_ASN_ENCODED_OK(er);
|
||||
}
|
||||
|
||||
int
|
||||
SET_OF_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel,
|
||||
asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_TYPE_member_t *elm = td->elements;
|
||||
const asn_anonymous_set_ *list = _A_CSET_FROM_VOID(sptr);
|
||||
int ret;
|
||||
int i;
|
||||
|
||||
if(!sptr) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0;
|
||||
|
||||
/* Dump preamble */
|
||||
if(cb(td->name, strlen(td->name), app_key) < 0
|
||||
|| cb(" ::= {", 6, app_key) < 0)
|
||||
return -1;
|
||||
|
||||
for(i = 0; i < list->count; i++) {
|
||||
const void *memb_ptr = list->array[i];
|
||||
if(!memb_ptr) continue;
|
||||
|
||||
_i_INDENT(1);
|
||||
|
||||
ret = elm->type->print_struct(elm->type, memb_ptr,
|
||||
ilevel + 1, cb, app_key);
|
||||
if(ret) return ret;
|
||||
}
|
||||
|
||||
ilevel--;
|
||||
_i_INDENT(1);
|
||||
|
||||
return (cb("}", 1, app_key) < 0) ? -1 : 0;
|
||||
}
|
||||
|
||||
void
|
||||
SET_OF_free(asn_TYPE_descriptor_t *td, void *ptr, int contents_only) {
|
||||
if(td && ptr) {
|
||||
asn_SET_OF_specifics_t *specs;
|
||||
asn_TYPE_member_t *elm = td->elements;
|
||||
asn_anonymous_set_ *list = _A_SET_FROM_VOID(ptr);
|
||||
asn_struct_ctx_t *ctx; /* Decoder context */
|
||||
int i;
|
||||
|
||||
/*
|
||||
* Could not use set_of_empty() because of (*free)
|
||||
* incompatibility.
|
||||
*/
|
||||
for(i = 0; i < list->count; i++) {
|
||||
void *memb_ptr = list->array[i];
|
||||
if(memb_ptr)
|
||||
ASN_STRUCT_FREE(*elm->type, memb_ptr);
|
||||
}
|
||||
list->count = 0; /* No meaningful elements left */
|
||||
|
||||
asn_set_empty(list); /* Remove (list->array) */
|
||||
|
||||
specs = (asn_SET_OF_specifics_t *)td->specifics;
|
||||
ctx = (asn_struct_ctx_t *)((char *)ptr + specs->ctx_offset);
|
||||
if(ctx->ptr) {
|
||||
ASN_STRUCT_FREE(*elm->type, ctx->ptr);
|
||||
ctx->ptr = 0;
|
||||
}
|
||||
|
||||
if(!contents_only) {
|
||||
FREEMEM(ptr);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
SET_OF_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
|
||||
asn_app_constraint_failed_f *ctfailcb, void *app_key) {
|
||||
asn_TYPE_member_t *elm = td->elements;
|
||||
asn_constr_check_f *constr;
|
||||
const asn_anonymous_set_ *list = _A_CSET_FROM_VOID(sptr);
|
||||
int i;
|
||||
|
||||
if(!sptr) {
|
||||
_ASN_CTFAIL(app_key, td, sptr,
|
||||
"%s: value not given (%s:%d)",
|
||||
td->name, __FILE__, __LINE__);
|
||||
return -1;
|
||||
}
|
||||
|
||||
constr = elm->memb_constraints;
|
||||
if(!constr) constr = elm->type->check_constraints;
|
||||
|
||||
/*
|
||||
* Iterate over the members of an array.
|
||||
* Validate each in turn, until one fails.
|
||||
*/
|
||||
for(i = 0; i < list->count; i++) {
|
||||
const void *memb_ptr = list->array[i];
|
||||
int ret;
|
||||
|
||||
if(!memb_ptr) continue;
|
||||
|
||||
ret = constr(elm->type, memb_ptr, ctfailcb, app_key);
|
||||
if(ret) return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Cannot inherit it eralier:
|
||||
* need to make sure we get the updated version.
|
||||
*/
|
||||
if(!elm->memb_constraints)
|
||||
elm->memb_constraints = elm->type->check_constraints;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
asn_dec_rval_t
|
||||
SET_OF_decode_uper(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
|
||||
asn_dec_rval_t rv;
|
||||
asn_SET_OF_specifics_t *specs = (asn_SET_OF_specifics_t *)td->specifics;
|
||||
asn_TYPE_member_t *elm = td->elements; /* Single one */
|
||||
void *st = *sptr;
|
||||
asn_anonymous_set_ *list;
|
||||
asn_per_constraint_t *ct;
|
||||
int repeat = 0;
|
||||
ssize_t nelems;
|
||||
|
||||
if(_ASN_STACK_OVERFLOW_CHECK(opt_codec_ctx))
|
||||
_ASN_DECODE_FAILED;
|
||||
|
||||
/*
|
||||
* Create the target structure if it is not present already.
|
||||
*/
|
||||
if(!st) {
|
||||
st = *sptr = CALLOC(1, specs->struct_size);
|
||||
if(!st) _ASN_DECODE_FAILED;
|
||||
}
|
||||
list = _A_SET_FROM_VOID(st);
|
||||
|
||||
/* Figure out which constraints to use */
|
||||
if(constraints) ct = &constraints->size;
|
||||
else if(td->per_constraints) ct = &td->per_constraints->size;
|
||||
else ct = 0;
|
||||
|
||||
if(ct && ct->flags & APC_EXTENSIBLE) {
|
||||
int value = per_get_few_bits(pd, 1);
|
||||
if(value < 0) _ASN_DECODE_STARVED;
|
||||
if(value) ct = 0; /* Not restricted! */
|
||||
}
|
||||
|
||||
if(ct && ct->effective_bits >= 0) {
|
||||
/* X.691, #19.5: No length determinant */
|
||||
nelems = per_get_few_bits(pd, ct->effective_bits);
|
||||
ASN_DEBUG("Preparing to fetch %ld+%ld elements from %s",
|
||||
(long)nelems, ct->lower_bound, td->name);
|
||||
if(nelems < 0) _ASN_DECODE_STARVED;
|
||||
nelems += ct->lower_bound;
|
||||
} else {
|
||||
nelems = -1;
|
||||
}
|
||||
|
||||
do {
|
||||
int i;
|
||||
if(nelems < 0) {
|
||||
nelems = uper_get_length(pd,
|
||||
ct ? ct->effective_bits : -1, &repeat);
|
||||
ASN_DEBUG("Got to decode %d elements (eff %d)",
|
||||
(int)nelems, (int)ct ? ct->effective_bits : -1);
|
||||
if(nelems < 0) _ASN_DECODE_STARVED;
|
||||
}
|
||||
|
||||
for(i = 0; i < nelems; i++) {
|
||||
void *ptr = 0;
|
||||
ASN_DEBUG("SET OF %s decoding", elm->type->name);
|
||||
rv = elm->type->uper_decoder(opt_codec_ctx, elm->type,
|
||||
elm->per_constraints, &ptr, pd);
|
||||
ASN_DEBUG("%s SET OF %s decoded %d, %p",
|
||||
td->name, elm->type->name, rv.code, ptr);
|
||||
if(rv.code == RC_OK) {
|
||||
if(ASN_SET_ADD(list, ptr) == 0)
|
||||
continue;
|
||||
ASN_DEBUG("Failed to add element into %s",
|
||||
td->name);
|
||||
/* Fall through */
|
||||
rv.code = RC_FAIL;
|
||||
} else {
|
||||
ASN_DEBUG("Failed decoding %s of %s (SET OF)",
|
||||
elm->type->name, td->name);
|
||||
}
|
||||
if(ptr) ASN_STRUCT_FREE(*elm->type, ptr);
|
||||
return rv;
|
||||
}
|
||||
|
||||
nelems = -1; /* Allow uper_get_length() */
|
||||
} while(repeat);
|
||||
|
||||
ASN_DEBUG("Decoded %s as SET OF", td->name);
|
||||
|
||||
rv.code = RC_OK;
|
||||
rv.consumed = 0;
|
||||
return rv;
|
||||
}
|
||||
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_SET_OF.h
|
||||
Vendored
+42
@@ -0,0 +1,42 @@
|
||||
/*-
|
||||
* Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _CONSTR_SET_OF_H_
|
||||
#define _CONSTR_SET_OF_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
typedef struct asn_SET_OF_specifics_s {
|
||||
/*
|
||||
* Target structure description.
|
||||
*/
|
||||
int struct_size; /* Size of the target structure. */
|
||||
int ctx_offset; /* Offset of the asn_struct_ctx_t member */
|
||||
|
||||
/* XER-specific stuff */
|
||||
int as_XMLValueList; /* The member type must be encoded like this */
|
||||
} asn_SET_OF_specifics_t;
|
||||
|
||||
/*
|
||||
* A set specialized functions dealing with the SET OF type.
|
||||
*/
|
||||
asn_struct_free_f SET_OF_free;
|
||||
asn_struct_print_f SET_OF_print;
|
||||
asn_constr_check_f SET_OF_constraint;
|
||||
ber_type_decoder_f SET_OF_decode_ber;
|
||||
der_type_encoder_f SET_OF_encode_der;
|
||||
xer_type_decoder_f SET_OF_decode_xer;
|
||||
xer_type_encoder_f SET_OF_encode_xer;
|
||||
per_type_decoder_f SET_OF_decode_uper;
|
||||
per_type_encoder_f SET_OF_encode_uper;
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _CONSTR_SET_OF_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_TYPE.c
|
||||
Vendored
+77
@@ -0,0 +1,77 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <constr_TYPE.h>
|
||||
#include <errno.h>
|
||||
|
||||
/*
|
||||
* Version of the ASN.1 infrastructure shipped with compiler.
|
||||
*/
|
||||
int get_asn1c_environment_version() { return ASN1C_ENVIRONMENT_VERSION; }
|
||||
|
||||
static asn_app_consume_bytes_f _print2fp;
|
||||
|
||||
/*
|
||||
* Return the outmost tag of the type.
|
||||
*/
|
||||
ber_tlv_tag_t
|
||||
asn_TYPE_outmost_tag(asn_TYPE_descriptor_t *type_descriptor,
|
||||
const void *struct_ptr, int tag_mode, ber_tlv_tag_t tag) {
|
||||
|
||||
if(tag_mode)
|
||||
return tag;
|
||||
|
||||
if(type_descriptor->tags_count)
|
||||
return type_descriptor->tags[0];
|
||||
|
||||
return type_descriptor->outmost_tag(type_descriptor, struct_ptr, 0, 0);
|
||||
}
|
||||
|
||||
/*
|
||||
* Print the target language's structure in human readable form.
|
||||
*/
|
||||
int
|
||||
asn_fprint(FILE *stream, asn_TYPE_descriptor_t *td, const void *struct_ptr) {
|
||||
if(!stream) stream = stdout;
|
||||
if(!td || !struct_ptr) {
|
||||
errno = EINVAL;
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Invoke type-specific printer */
|
||||
if(td->print_struct(td, struct_ptr, 1, _print2fp, stream))
|
||||
return -1;
|
||||
|
||||
/* Terminate the output */
|
||||
if(_print2fp("\n", 1, stream))
|
||||
return -1;
|
||||
|
||||
return fflush(stream);
|
||||
}
|
||||
|
||||
/* Dump the data into the specified stdio stream */
|
||||
static int
|
||||
_print2fp(const void *buffer, size_t size, void *app_key) {
|
||||
FILE *stream = (FILE *)app_key;
|
||||
|
||||
if(fwrite(buffer, 1, size, stream) != size)
|
||||
return -1;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Some compilers do not support variable args macros.
|
||||
* This function is a replacement of ASN_DEBUG() macro.
|
||||
*/
|
||||
void ASN_DEBUG_f(const char *fmt, ...);
|
||||
void ASN_DEBUG_f(const char *fmt, ...) {
|
||||
va_list ap;
|
||||
va_start(ap, fmt);
|
||||
vfprintf(stderr, fmt, ap);
|
||||
fprintf(stderr, "\n");
|
||||
va_end(ap);
|
||||
}
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constr_TYPE.h
|
||||
Vendored
+180
@@ -0,0 +1,180 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004, 2005, 2006 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
/*
|
||||
* This file contains the declaration structure called "ASN.1 Type Definition",
|
||||
* which holds all information necessary for encoding and decoding routines.
|
||||
* This structure even contains pointer to these encoding and decoding routines
|
||||
* for each defined ASN.1 type.
|
||||
*/
|
||||
#ifndef _CONSTR_TYPE_H_
|
||||
#define _CONSTR_TYPE_H_
|
||||
|
||||
#include <ber_tlv_length.h>
|
||||
#include <ber_tlv_tag.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct asn_TYPE_descriptor_s; /* Forward declaration */
|
||||
struct asn_TYPE_member_s; /* Forward declaration */
|
||||
|
||||
/*
|
||||
* This type provides the context information for various ASN.1 routines,
|
||||
* primarily ones doing decoding. A member _asn_ctx of this type must be
|
||||
* included into certain target language's structures, such as compound types.
|
||||
*/
|
||||
typedef struct asn_struct_ctx_s {
|
||||
short phase; /* Decoding phase */
|
||||
short step; /* Elementary step of a phase */
|
||||
int context; /* Other context information */
|
||||
void *ptr; /* Decoder-specific stuff (stack elements) */
|
||||
ber_tlv_len_t left; /* Number of bytes left, -1 for indefinite */
|
||||
} asn_struct_ctx_t;
|
||||
|
||||
#include <ber_decoder.h> /* Basic Encoding Rules decoder */
|
||||
#include <der_encoder.h> /* Distinguished Encoding Rules encoder */
|
||||
#include <xer_decoder.h> /* Decoder of XER (XML, text) */
|
||||
#include <xer_encoder.h> /* Encoder into XER (XML, text) */
|
||||
#include <per_decoder.h> /* Packet Encoding Rules decoder */
|
||||
#include <per_encoder.h> /* Packet Encoding Rules encoder */
|
||||
#include <constraints.h> /* Subtype constraints support */
|
||||
|
||||
/*
|
||||
* Free the structure according to its specification.
|
||||
* If (free_contents_only) is set, the wrapper structure itself (struct_ptr)
|
||||
* will not be freed. (It may be useful in case the structure is allocated
|
||||
* statically or arranged on the stack, yet its elements are allocated
|
||||
* dynamically.)
|
||||
*/
|
||||
typedef void (asn_struct_free_f)(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
void *struct_ptr, int free_contents_only);
|
||||
#define ASN_STRUCT_FREE(asn_DEF, ptr) (asn_DEF).free_struct(&(asn_DEF),ptr,0)
|
||||
#define ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF, ptr) \
|
||||
(asn_DEF).free_struct(&(asn_DEF),ptr,1)
|
||||
|
||||
/*
|
||||
* Print the structure according to its specification.
|
||||
*/
|
||||
typedef int (asn_struct_print_f)(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
const void *struct_ptr,
|
||||
int level, /* Indentation level */
|
||||
asn_app_consume_bytes_f *callback, void *app_key);
|
||||
|
||||
/*
|
||||
* Return the outmost tag of the type.
|
||||
* If the type is untagged CHOICE, the dynamic operation is performed.
|
||||
* NOTE: This function pointer type is only useful internally.
|
||||
* Do not use it in your application.
|
||||
*/
|
||||
typedef ber_tlv_tag_t (asn_outmost_tag_f)(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
const void *struct_ptr, int tag_mode, ber_tlv_tag_t tag);
|
||||
/* The instance of the above function type; used internally. */
|
||||
asn_outmost_tag_f asn_TYPE_outmost_tag;
|
||||
|
||||
|
||||
/*
|
||||
* The definitive description of the destination language's structure.
|
||||
*/
|
||||
typedef struct asn_TYPE_descriptor_s {
|
||||
char *name; /* A name of the ASN.1 type. "" in some cases. */
|
||||
char *xml_tag; /* Name used in XML tag */
|
||||
|
||||
/*
|
||||
* Generalized functions for dealing with the specific type.
|
||||
* May be directly invoked by applications.
|
||||
*/
|
||||
asn_struct_free_f *free_struct; /* Free the structure */
|
||||
asn_struct_print_f *print_struct; /* Human readable output */
|
||||
asn_constr_check_f *check_constraints; /* Constraints validator */
|
||||
ber_type_decoder_f *ber_decoder; /* Generic BER decoder */
|
||||
der_type_encoder_f *der_encoder; /* Canonical DER encoder */
|
||||
xer_type_decoder_f *xer_decoder; /* Generic XER decoder */
|
||||
xer_type_encoder_f *xer_encoder; /* [Canonical] XER encoder */
|
||||
per_type_decoder_f *uper_decoder; /* Unaligned PER decoder */
|
||||
per_type_encoder_f *uper_encoder; /* Unaligned PER encoder */
|
||||
|
||||
/***********************************************************************
|
||||
* Internally useful members. Not to be used by applications directly. *
|
||||
**********************************************************************/
|
||||
|
||||
/*
|
||||
* Tags that are expected to occur.
|
||||
*/
|
||||
asn_outmost_tag_f *outmost_tag; /* <optional, internal> */
|
||||
ber_tlv_tag_t *tags; /* Effective tags sequence for this type */
|
||||
int tags_count; /* Number of tags which are expected */
|
||||
ber_tlv_tag_t *all_tags;/* Every tag for BER/containment */
|
||||
int all_tags_count; /* Number of tags */
|
||||
|
||||
asn_per_constraints_t *per_constraints; /* PER compiled constraints */
|
||||
|
||||
/*
|
||||
* An ASN.1 production type members (members of SEQUENCE, SET, CHOICE).
|
||||
*/
|
||||
struct asn_TYPE_member_s *elements;
|
||||
int elements_count;
|
||||
|
||||
/*
|
||||
* Additional information describing the type, used by appropriate
|
||||
* functions above.
|
||||
*/
|
||||
void *specifics;
|
||||
} asn_TYPE_descriptor_t;
|
||||
|
||||
/*
|
||||
* This type describes an element of the constructed type,
|
||||
* i.e. SEQUENCE, SET, CHOICE, etc.
|
||||
*/
|
||||
enum asn_TYPE_flags_e {
|
||||
ATF_NOFLAGS,
|
||||
ATF_POINTER = 0x01, /* Represented by the pointer */
|
||||
ATF_OPEN_TYPE = 0x02 /* ANY type, without meaningful tag */
|
||||
};
|
||||
typedef struct asn_TYPE_member_s {
|
||||
enum asn_TYPE_flags_e flags; /* Element's presentation flags */
|
||||
int optional; /* Following optional members, including current */
|
||||
int memb_offset; /* Offset of the element */
|
||||
ber_tlv_tag_t tag; /* Outmost (most immediate) tag */
|
||||
int tag_mode; /* IMPLICIT/no/EXPLICIT tag at current level */
|
||||
asn_TYPE_descriptor_t *type; /* Member type descriptor */
|
||||
asn_constr_check_f *memb_constraints; /* Constraints validator */
|
||||
asn_per_constraints_t *per_constraints; /* PER compiled constraints */
|
||||
int (*default_value)(int setval, void **sptr); /* DEFAULT <value> */
|
||||
char *name; /* ASN.1 identifier of the element */
|
||||
} asn_TYPE_member_t;
|
||||
|
||||
/*
|
||||
* BER tag to element number mapping.
|
||||
*/
|
||||
typedef struct asn_TYPE_tag2member_s {
|
||||
ber_tlv_tag_t el_tag; /* Outmost tag of the member */
|
||||
int el_no; /* Index of the associated member, base 0 */
|
||||
int toff_first; /* First occurence of the el_tag, relative */
|
||||
int toff_last; /* Last occurence of the el_tag, relatvie */
|
||||
} asn_TYPE_tag2member_t;
|
||||
|
||||
/*
|
||||
* This function is a wrapper around (td)->print_struct, which prints out
|
||||
* the contents of the target language's structure (struct_ptr) into the
|
||||
* file pointer (stream) in human readable form.
|
||||
* RETURN VALUES:
|
||||
* 0: The structure is printed.
|
||||
* -1: Problem dumping the structure.
|
||||
* (See also xer_fprint() in xer_encoder.h)
|
||||
*/
|
||||
int asn_fprint(FILE *stream, /* Destination stream descriptor */
|
||||
asn_TYPE_descriptor_t *td, /* ASN.1 type descriptor */
|
||||
const void *struct_ptr); /* Structure to be printed */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _CONSTR_TYPE_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constraints.c
|
||||
Vendored
+93
@@ -0,0 +1,93 @@
|
||||
#include "asn_internal.h"
|
||||
#include "constraints.h"
|
||||
|
||||
int
|
||||
asn_generic_no_constraint(asn_TYPE_descriptor_t *type_descriptor,
|
||||
const void *struct_ptr, asn_app_constraint_failed_f *cb, void *key) {
|
||||
|
||||
(void)type_descriptor; /* Unused argument */
|
||||
(void)struct_ptr; /* Unused argument */
|
||||
(void)cb; /* Unused argument */
|
||||
(void)key; /* Unused argument */
|
||||
|
||||
/* Nothing to check */
|
||||
return 0;
|
||||
}
|
||||
|
||||
int
|
||||
asn_generic_unknown_constraint(asn_TYPE_descriptor_t *type_descriptor,
|
||||
const void *struct_ptr, asn_app_constraint_failed_f *cb, void *key) {
|
||||
|
||||
(void)type_descriptor; /* Unused argument */
|
||||
(void)struct_ptr; /* Unused argument */
|
||||
(void)cb; /* Unused argument */
|
||||
(void)key; /* Unused argument */
|
||||
|
||||
/* Unknown how to check */
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct errbufDesc {
|
||||
asn_TYPE_descriptor_t *failed_type;
|
||||
const void *failed_struct_ptr;
|
||||
char *errbuf;
|
||||
size_t errlen;
|
||||
};
|
||||
|
||||
static void
|
||||
_asn_i_ctfailcb(void *key, asn_TYPE_descriptor_t *td, const void *sptr, const char *fmt, ...) {
|
||||
struct errbufDesc *arg = key;
|
||||
va_list ap;
|
||||
ssize_t vlen;
|
||||
ssize_t maxlen;
|
||||
|
||||
arg->failed_type = td;
|
||||
arg->failed_struct_ptr = sptr;
|
||||
|
||||
maxlen = arg->errlen;
|
||||
if(maxlen <= 0)
|
||||
return;
|
||||
|
||||
va_start(ap, fmt);
|
||||
vlen = vsnprintf(arg->errbuf, maxlen, fmt, ap);
|
||||
va_end(ap);
|
||||
if(vlen >= maxlen) {
|
||||
arg->errbuf[maxlen-1] = '\0'; /* Ensuring libc correctness */
|
||||
arg->errlen = maxlen - 1; /* Not counting termination */
|
||||
return;
|
||||
} else if(vlen >= 0) {
|
||||
arg->errbuf[vlen] = '\0'; /* Ensuring libc correctness */
|
||||
arg->errlen = vlen; /* Not counting termination */
|
||||
} else {
|
||||
/*
|
||||
* The libc on this system is broken.
|
||||
*/
|
||||
vlen = sizeof("<broken vsnprintf>") - 1;
|
||||
maxlen--;
|
||||
arg->errlen = vlen < maxlen ? vlen : maxlen;
|
||||
memcpy(arg->errbuf, "<broken vsnprintf>", arg->errlen);
|
||||
arg->errbuf[arg->errlen] = 0;
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
int
|
||||
asn_check_constraints(asn_TYPE_descriptor_t *type_descriptor,
|
||||
const void *struct_ptr, char *errbuf, size_t *errlen) {
|
||||
struct errbufDesc arg;
|
||||
int ret;
|
||||
|
||||
arg.failed_type = 0;
|
||||
arg.failed_struct_ptr = 0;
|
||||
arg.errbuf = errbuf;
|
||||
arg.errlen = errlen ? *errlen : 0;
|
||||
|
||||
ret = type_descriptor->check_constraints(type_descriptor,
|
||||
struct_ptr, _asn_i_ctfailcb, &arg);
|
||||
if(ret == -1 && errlen)
|
||||
*errlen = arg.errlen;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/constraints.h
|
||||
Vendored
+63
@@ -0,0 +1,63 @@
|
||||
/*-
|
||||
* Copyright (c) 2004, 2006 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _ASN1_CONSTRAINTS_VALIDATOR_H_
|
||||
#define _ASN1_CONSTRAINTS_VALIDATOR_H_
|
||||
|
||||
#include <asn_system.h> /* Platform-dependent types */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct asn_TYPE_descriptor_s; /* Forward declaration */
|
||||
|
||||
/*
|
||||
* Validate the structure according to the ASN.1 constraints.
|
||||
* If errbuf and errlen are given, they shall be pointing to the appropriate
|
||||
* buffer space and its length before calling this function. Alternatively,
|
||||
* they could be passed as NULL's. If constraints validation fails,
|
||||
* errlen will contain the actual number of bytes taken from the errbuf
|
||||
* to encode an error message (properly 0-terminated).
|
||||
*
|
||||
* RETURN VALUES:
|
||||
* This function returns 0 in case all ASN.1 constraints are met
|
||||
* and -1 if one or more constraints were failed.
|
||||
*/
|
||||
int
|
||||
asn_check_constraints(struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
const void *struct_ptr, /* Target language's structure */
|
||||
char *errbuf, /* Returned error description */
|
||||
size_t *errlen /* Length of the error description */
|
||||
);
|
||||
|
||||
|
||||
/*
|
||||
* Generic type for constraint checking callback,
|
||||
* associated with every type descriptor.
|
||||
*/
|
||||
typedef int (asn_constr_check_f)(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
const void *struct_ptr,
|
||||
asn_app_constraint_failed_f *optional_callback, /* Log the error */
|
||||
void *optional_app_key /* Opaque key passed to a callback */
|
||||
);
|
||||
|
||||
/*******************************
|
||||
* INTERNALLY USEFUL FUNCTIONS *
|
||||
*******************************/
|
||||
|
||||
asn_constr_check_f asn_generic_no_constraint; /* No constraint whatsoever */
|
||||
asn_constr_check_f asn_generic_unknown_constraint; /* Not fully supported */
|
||||
|
||||
/*
|
||||
* Invoke the callback with a complete error message.
|
||||
*/
|
||||
#define _ASN_CTFAIL if(ctfailcb) ctfailcb
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _ASN1_CONSTRAINTS_VALIDATOR_H_ */
|
||||
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/converter-sample.c
|
||||
+834
@@ -0,0 +1,834 @@
|
||||
/*
|
||||
* Generic converter template for a selected ASN.1 type.
|
||||
* Copyright (c) 2005, 2006, 2007 Lev Walkin <vlm@lionet.info>.
|
||||
* All rights reserved.
|
||||
*
|
||||
* To compile with your own ASN.1 type, please redefine the PDU as shown:
|
||||
*
|
||||
* cc -DPDU=MyCustomType -o myDecoder.o -c converter-sample.c
|
||||
*/
|
||||
#ifdef HAVE_CONFIG_H
|
||||
#include <config.h>
|
||||
#endif
|
||||
#include <stdio.h>
|
||||
#include <sys/types.h>
|
||||
#include <stdlib.h> /* for atoi(3) */
|
||||
#include <unistd.h> /* for getopt(3) */
|
||||
#include <string.h> /* for strerror(3) */
|
||||
#include <sysexits.h> /* for EX_* exit codes */
|
||||
#include <errno.h> /* for errno */
|
||||
|
||||
#include <asn_application.h>
|
||||
#include <asn_internal.h> /* for _ASN_DEFAULT_STACK_MAX */
|
||||
|
||||
/* Convert "Type" defined by -DPDU into "asn_DEF_Type" */
|
||||
#define ASN_DEF_PDU(t) asn_DEF_ ## t
|
||||
#define DEF_PDU_Type(t) ASN_DEF_PDU(t)
|
||||
#define PDU_Type DEF_PDU_Type(PDU)
|
||||
|
||||
extern asn_TYPE_descriptor_t PDU_Type; /* ASN.1 type to be decoded */
|
||||
#ifdef ASN_PDU_COLLECTION /* Generated by asn1c: -pdu=... */
|
||||
extern asn_TYPE_descriptor_t *asn_pdu_collection[];
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Open file and parse its contens.
|
||||
*/
|
||||
static void *data_decode_from_file(asn_TYPE_descriptor_t *asnTypeOfPDU,
|
||||
FILE *file, const char *name, ssize_t suggested_bufsize, int first_pdu);
|
||||
static int write_out(const void *buffer, size_t size, void *key);
|
||||
static FILE *argument_to_file(char *av[], int idx);
|
||||
static char *argument_to_name(char *av[], int idx);
|
||||
|
||||
int opt_debug; /* -d (or -dd) */
|
||||
static int opt_check; /* -c (constraints checking) */
|
||||
static int opt_stack; /* -s (maximum stack size) */
|
||||
static int opt_nopad; /* -per-nopad (PER input is not padded) */
|
||||
static int opt_onepdu; /* -1 (decode single PDU) */
|
||||
|
||||
/* Input data format selector */
|
||||
static enum input_format {
|
||||
INP_BER, /* -iber: BER input */
|
||||
INP_XER, /* -ixer: XER input */
|
||||
INP_PER /* -iper: Unaligned PER input */
|
||||
} iform; /* -i<format> */
|
||||
|
||||
/* Output data format selector */
|
||||
static enum output_format {
|
||||
OUT_XER, /* -oxer: XER (XML) output */
|
||||
OUT_DER, /* -oder: DER (BER) output */
|
||||
OUT_PER, /* -oper: Unaligned PER output */
|
||||
OUT_TEXT, /* -otext: semi-structured text */
|
||||
OUT_NULL /* -onull: No pretty-printing */
|
||||
} oform; /* -o<format> */
|
||||
|
||||
#ifdef JUNKTEST /* Enable -J <probability> */
|
||||
#define JUNKOPT "J:"
|
||||
static double opt_jprob; /* Junk bit probability */
|
||||
static int junk_failures;
|
||||
static void junk_bytes_with_probability(uint8_t *, size_t, double prob);
|
||||
#else
|
||||
#define JUNKOPT
|
||||
#endif
|
||||
|
||||
/* Debug output function */
|
||||
static inline void
|
||||
DEBUG(const char *fmt, ...) {
|
||||
va_list ap;
|
||||
if(!opt_debug) return;
|
||||
fprintf(stderr, "AD: ");
|
||||
va_start(ap, fmt);
|
||||
vfprintf(stderr, fmt, ap);
|
||||
va_end(ap);
|
||||
fprintf(stderr, "\n");
|
||||
}
|
||||
|
||||
int
|
||||
main(int ac, char *av[]) {
|
||||
static asn_TYPE_descriptor_t *pduType = &PDU_Type;
|
||||
ssize_t suggested_bufsize = 8192; /* close or equal to stdio buffer */
|
||||
int number_of_iterations = 1;
|
||||
int num;
|
||||
int ch;
|
||||
|
||||
/* Figure out if Unaligned PER needs to be default */
|
||||
if(pduType->uper_decoder)
|
||||
iform = INP_PER;
|
||||
|
||||
/*
|
||||
* Pocess the command-line argments.
|
||||
*/
|
||||
while((ch = getopt(ac, av, "i:o:1b:cdn:p:hs:" JUNKOPT)) != -1)
|
||||
switch(ch) {
|
||||
case 'i':
|
||||
if(optarg[0] == 'b') { iform = INP_BER; break; }
|
||||
if(optarg[0] == 'x') { iform = INP_XER; break; }
|
||||
if(pduType->uper_decoder
|
||||
&& optarg[0] == 'p') { iform = INP_PER; break; }
|
||||
fprintf(stderr, "-i<format>: '%s': improper format selector\n",
|
||||
optarg);
|
||||
exit(EX_UNAVAILABLE);
|
||||
case 'o':
|
||||
if(optarg[0] == 'd') { oform = OUT_DER; break; }
|
||||
if(pduType->uper_encoder
|
||||
&& optarg[0] == 'p') { oform = OUT_PER; break; }
|
||||
if(optarg[0] == 'x') { oform = OUT_XER; break; }
|
||||
if(optarg[0] == 't') { oform = OUT_TEXT; break; }
|
||||
if(optarg[0] == 'n') { oform = OUT_NULL; break; }
|
||||
fprintf(stderr, "-o<format>: '%s': improper format selector\n",
|
||||
optarg);
|
||||
exit(EX_UNAVAILABLE);
|
||||
case '1':
|
||||
opt_onepdu = 1;
|
||||
break;
|
||||
case 'b':
|
||||
suggested_bufsize = atoi(optarg);
|
||||
if(suggested_bufsize < 1
|
||||
|| suggested_bufsize > 16 * 1024 * 1024) {
|
||||
fprintf(stderr,
|
||||
"-b %s: Improper buffer size (1..16M)\n",
|
||||
optarg);
|
||||
exit(EX_UNAVAILABLE);
|
||||
}
|
||||
break;
|
||||
case 'c':
|
||||
opt_check = 1;
|
||||
break;
|
||||
case 'd':
|
||||
opt_debug++; /* Double -dd means ASN.1 debug */
|
||||
break;
|
||||
case 'n':
|
||||
number_of_iterations = atoi(optarg);
|
||||
if(number_of_iterations < 1) {
|
||||
fprintf(stderr,
|
||||
"-n %s: Improper iterations count\n", optarg);
|
||||
exit(EX_UNAVAILABLE);
|
||||
}
|
||||
break;
|
||||
case 'p':
|
||||
if(strcmp(optarg, "er-nopad") == 0) {
|
||||
opt_nopad = 1;
|
||||
break;
|
||||
}
|
||||
#ifdef ASN_PDU_COLLECTION
|
||||
if(strcmp(optarg, "list") == 0) {
|
||||
asn_TYPE_descriptor_t **pdu = asn_pdu_collection;
|
||||
fprintf(stderr, "Available PDU types:\n");
|
||||
for(; *pdu; pdu++) printf("%s\n", (*pdu)->name);
|
||||
exit(0);
|
||||
} else if(optarg[0] >= 'A' && optarg[0] <= 'Z') {
|
||||
asn_TYPE_descriptor_t **pdu = asn_pdu_collection;
|
||||
while(*pdu && strcmp((*pdu)->name, optarg)) pdu++;
|
||||
if(*pdu) { pduType = *pdu; break; }
|
||||
fprintf(stderr, "-p %s: Unrecognized PDU\n", optarg);
|
||||
}
|
||||
#endif /* ASN_PDU_COLLECTION */
|
||||
fprintf(stderr, "-p %s: Unrecognized option\n", optarg);
|
||||
exit(EX_UNAVAILABLE);
|
||||
case 's':
|
||||
opt_stack = atoi(optarg);
|
||||
if(opt_stack < 0) {
|
||||
fprintf(stderr,
|
||||
"-s %s: Non-negative value expected\n",
|
||||
optarg);
|
||||
exit(EX_UNAVAILABLE);
|
||||
}
|
||||
break;
|
||||
#ifdef JUNKTEST
|
||||
case 'J':
|
||||
opt_jprob = strtod(optarg, 0);
|
||||
if(opt_jprob <= 0.0 || opt_jprob > 1.0) {
|
||||
fprintf(stderr,
|
||||
"-J %s: Probability range 0..1 expected \n",
|
||||
optarg);
|
||||
exit(EX_UNAVAILABLE);
|
||||
}
|
||||
break;
|
||||
#endif /* JUNKTEST */
|
||||
case 'h':
|
||||
default:
|
||||
#ifdef ASN_CONVERTER_TITLE
|
||||
#define _AXS(x) #x
|
||||
#define _ASX(x) _AXS(x)
|
||||
fprintf(stderr, "%s\n", _ASX(ASN_CONVERTER_TITLE));
|
||||
#endif
|
||||
fprintf(stderr, "Usage: %s [options] <data.ber> ...\n", av[0]);
|
||||
fprintf(stderr, "Where options are:\n");
|
||||
if(pduType->uper_decoder)
|
||||
fprintf(stderr,
|
||||
" -iper Input is in Unaligned PER (Packed Encoding Rules) (DEFAULT)\n");
|
||||
fprintf(stderr,
|
||||
" -iber Input is in BER (Basic Encoding Rules)%s\n",
|
||||
iform == INP_PER ? "" : " (DEFAULT)");
|
||||
fprintf(stderr,
|
||||
" -ixer Input is in XER (XML Encoding Rules)\n");
|
||||
if(pduType->uper_encoder)
|
||||
fprintf(stderr,
|
||||
" -oper Output in Unaligned PER (Packed Encoding Rules)\n");
|
||||
fprintf(stderr,
|
||||
" -oder Output in DER (Distinguished Encoding Rules)\n"
|
||||
" -oxer Output in XER (XML Encoding Rules) (DEFAULT)\n"
|
||||
" -otext Output in plain semi-structured text (dump)\n"
|
||||
" -onull Verify (decode) input, but do not output\n");
|
||||
if(pduType->uper_decoder)
|
||||
fprintf(stderr,
|
||||
" -per-nopad Assume PER PDUs are not padded (-iper)\n");
|
||||
#ifdef ASN_PDU_COLLECTION
|
||||
fprintf(stderr,
|
||||
" -p <PDU> Specify PDU type to decode\n"
|
||||
" -p list List available PDUs\n");
|
||||
#endif /* ASN_PDU_COLLECTION */
|
||||
fprintf(stderr,
|
||||
" -1 Decode only the first PDU in file\n"
|
||||
" -b <size> Set the i/o buffer size (default is %ld)\n"
|
||||
" -c Check ASN.1 constraints after decoding\n"
|
||||
" -d Enable debugging (-dd is even better)\n"
|
||||
" -n <num> Process files <num> times\n"
|
||||
" -s <size> Set the stack usage limit (default is %d)\n"
|
||||
#ifdef JUNKTEST
|
||||
" -J <prob> Set random junk test bit garbaging probability\n"
|
||||
#endif
|
||||
, (long)suggested_bufsize, _ASN_DEFAULT_STACK_MAX);
|
||||
exit(EX_USAGE);
|
||||
}
|
||||
|
||||
ac -= optind;
|
||||
av += optind;
|
||||
|
||||
if(ac < 1) {
|
||||
fprintf(stderr, "%s: No input files specified. "
|
||||
"Try '-h' for more information\n",
|
||||
av[-optind]);
|
||||
exit(EX_USAGE);
|
||||
}
|
||||
|
||||
setvbuf(stdout, 0, _IOLBF, 0);
|
||||
|
||||
for(num = 0; num < number_of_iterations; num++) {
|
||||
int ac_i;
|
||||
/*
|
||||
* Process all files in turn.
|
||||
*/
|
||||
for(ac_i = 0; ac_i < ac; ac_i++) {
|
||||
asn_enc_rval_t erv;
|
||||
void *structure; /* Decoded structure */
|
||||
FILE *file = argument_to_file(av, ac_i);
|
||||
char *name = argument_to_name(av, ac_i);
|
||||
int first_pdu;
|
||||
|
||||
for(first_pdu = 1; first_pdu || !opt_onepdu; first_pdu = 0) {
|
||||
/*
|
||||
* Decode the encoded structure from file.
|
||||
*/
|
||||
structure = data_decode_from_file(pduType,
|
||||
file, name, suggested_bufsize, first_pdu);
|
||||
if(!structure) {
|
||||
if(errno) {
|
||||
/* Error message is already printed */
|
||||
exit(EX_DATAERR);
|
||||
} else {
|
||||
/* EOF */
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Check ASN.1 constraints */
|
||||
if(opt_check) {
|
||||
char errbuf[128];
|
||||
size_t errlen = sizeof(errbuf);
|
||||
if(asn_check_constraints(pduType, structure,
|
||||
errbuf, &errlen)) {
|
||||
fprintf(stderr, "%s: ASN.1 constraint "
|
||||
"check failed: %s\n", name, errbuf);
|
||||
exit(EX_DATAERR);
|
||||
}
|
||||
}
|
||||
|
||||
switch(oform) {
|
||||
case OUT_NULL:
|
||||
#ifdef JUNKTEST
|
||||
if(opt_jprob == 0.0)
|
||||
#endif
|
||||
fprintf(stderr, "%s: decoded successfully\n", name);
|
||||
break;
|
||||
case OUT_TEXT: /* -otext */
|
||||
asn_fprint(stdout, pduType, structure);
|
||||
break;
|
||||
case OUT_XER: /* -oxer */
|
||||
if(xer_fprint(stdout, pduType, structure)) {
|
||||
fprintf(stderr,
|
||||
"%s: Cannot convert %s into XML\n",
|
||||
name, pduType->name);
|
||||
exit(EX_UNAVAILABLE);
|
||||
}
|
||||
break;
|
||||
case OUT_DER:
|
||||
erv = der_encode(pduType, structure, write_out, stdout);
|
||||
if(erv.encoded < 0) {
|
||||
fprintf(stderr,
|
||||
"%s: Cannot convert %s into DER\n",
|
||||
name, pduType->name);
|
||||
exit(EX_UNAVAILABLE);
|
||||
}
|
||||
DEBUG("Encoded in %ld bytes of DER", (long)erv.encoded);
|
||||
break;
|
||||
case OUT_PER:
|
||||
erv = uper_encode(pduType, structure, write_out, stdout);
|
||||
if(erv.encoded < 0) {
|
||||
fprintf(stderr,
|
||||
"%s: Cannot convert %s into Unaligned PER\n",
|
||||
name, pduType->name);
|
||||
exit(EX_UNAVAILABLE);
|
||||
}
|
||||
DEBUG("Encoded in %ld bits of UPER", (long)erv.encoded);
|
||||
break;
|
||||
}
|
||||
|
||||
ASN_STRUCT_FREE(*pduType, structure);
|
||||
}
|
||||
|
||||
if(file && file != stdin)
|
||||
fclose(file);
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef JUNKTEST
|
||||
if(opt_jprob > 0.0) {
|
||||
fprintf(stderr, "Junked %f OK (%d/%d)\n",
|
||||
opt_jprob, junk_failures, number_of_iterations);
|
||||
}
|
||||
#endif /* JUNKTEST */
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct dynamic_buffer {
|
||||
uint8_t *data; /* Pointer to the data bytes */
|
||||
size_t offset; /* Offset from the start */
|
||||
size_t length; /* Length of meaningful contents */
|
||||
size_t unbits; /* Unused bits in the last byte */
|
||||
size_t allocated; /* Allocated memory for data */
|
||||
int nreallocs; /* Number of data reallocations */
|
||||
off_t bytes_shifted; /* Number of bytes ever shifted */
|
||||
} DynamicBuffer;
|
||||
|
||||
static void
|
||||
buffer_dump() {
|
||||
uint8_t *p = DynamicBuffer.data + DynamicBuffer.offset;
|
||||
uint8_t *e = p + DynamicBuffer.length - (DynamicBuffer.unbits ? 1 : 0);
|
||||
if(!opt_debug) return;
|
||||
DEBUG("Buffer: { d=%p, o=%ld, l=%ld, u=%ld, a=%ld, s=%ld }",
|
||||
DynamicBuffer.data,
|
||||
(long)DynamicBuffer.offset,
|
||||
(long)DynamicBuffer.length,
|
||||
(long)DynamicBuffer.unbits,
|
||||
(long)DynamicBuffer.allocated,
|
||||
(long)DynamicBuffer.bytes_shifted);
|
||||
for(; p < e; p++) {
|
||||
fprintf(stderr, " %c%c%c%c%c%c%c%c",
|
||||
((*p >> 7) & 1) ? '1' : '0',
|
||||
((*p >> 6) & 1) ? '1' : '0',
|
||||
((*p >> 5) & 1) ? '1' : '0',
|
||||
((*p >> 4) & 1) ? '1' : '0',
|
||||
((*p >> 3) & 1) ? '1' : '0',
|
||||
((*p >> 2) & 1) ? '1' : '0',
|
||||
((*p >> 1) & 1) ? '1' : '0',
|
||||
((*p >> 0) & 1) ? '1' : '0');
|
||||
}
|
||||
if(DynamicBuffer.unbits) {
|
||||
unsigned int shift;
|
||||
fprintf(stderr, " ");
|
||||
for(shift = 7; shift >= DynamicBuffer.unbits; shift--)
|
||||
fprintf(stderr, "%c", ((*p >> shift) & 1) ? '1' : '0');
|
||||
fprintf(stderr, " %ld:%ld\n",
|
||||
(long)DynamicBuffer.length - 1,
|
||||
(long)8 - DynamicBuffer.unbits);
|
||||
} else {
|
||||
fprintf(stderr, " %d\n", DynamicBuffer.length);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Move the buffer content left N bits, possibly joining it with
|
||||
* preceeding content.
|
||||
*/
|
||||
static void
|
||||
buffer_shift_left(size_t offset, int bits) {
|
||||
uint8_t *ptr = DynamicBuffer.data + DynamicBuffer.offset + offset;
|
||||
uint8_t *end = DynamicBuffer.data + DynamicBuffer.offset
|
||||
+ DynamicBuffer.length - 1;
|
||||
|
||||
if(!bits) return;
|
||||
|
||||
DEBUG("Shifting left %d bits off %ld (o=%ld, u=%ld, l=%ld)",
|
||||
bits, (long)offset,
|
||||
(long)DynamicBuffer.offset,
|
||||
(long)DynamicBuffer.unbits,
|
||||
(long)DynamicBuffer.length);
|
||||
|
||||
if(offset) {
|
||||
int right;
|
||||
right = ptr[0] >> (8 - bits);
|
||||
|
||||
DEBUG("oleft: %c%c%c%c%c%c%c%c",
|
||||
((ptr[-1] >> 7) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 6) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 5) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 4) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 3) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 2) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 1) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 0) & 1) ? '1' : '0');
|
||||
|
||||
DEBUG("oriht: %c%c%c%c%c%c%c%c",
|
||||
((ptr[0] >> 7) & 1) ? '1' : '0',
|
||||
((ptr[0] >> 6) & 1) ? '1' : '0',
|
||||
((ptr[0] >> 5) & 1) ? '1' : '0',
|
||||
((ptr[0] >> 4) & 1) ? '1' : '0',
|
||||
((ptr[0] >> 3) & 1) ? '1' : '0',
|
||||
((ptr[0] >> 2) & 1) ? '1' : '0',
|
||||
((ptr[0] >> 1) & 1) ? '1' : '0',
|
||||
((ptr[0] >> 0) & 1) ? '1' : '0');
|
||||
|
||||
DEBUG("mriht: %c%c%c%c%c%c%c%c",
|
||||
((right >> 7) & 1) ? '1' : '0',
|
||||
((right >> 6) & 1) ? '1' : '0',
|
||||
((right >> 5) & 1) ? '1' : '0',
|
||||
((right >> 4) & 1) ? '1' : '0',
|
||||
((right >> 3) & 1) ? '1' : '0',
|
||||
((right >> 2) & 1) ? '1' : '0',
|
||||
((right >> 1) & 1) ? '1' : '0',
|
||||
((right >> 0) & 1) ? '1' : '0');
|
||||
|
||||
ptr[-1] = (ptr[-1] & (0xff << bits)) | right;
|
||||
|
||||
DEBUG("after: %c%c%c%c%c%c%c%c",
|
||||
((ptr[-1] >> 7) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 6) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 5) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 4) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 3) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 2) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 1) & 1) ? '1' : '0',
|
||||
((ptr[-1] >> 0) & 1) ? '1' : '0');
|
||||
}
|
||||
|
||||
buffer_dump();
|
||||
|
||||
for(; ptr < end; ptr++) {
|
||||
int right = ptr[1] >> (8 - bits);
|
||||
*ptr = (*ptr << bits) | right;
|
||||
}
|
||||
*ptr <<= bits;
|
||||
|
||||
DEBUG("Unbits [%d=>", (int)DynamicBuffer.unbits);
|
||||
if(DynamicBuffer.unbits == 0) {
|
||||
DynamicBuffer.unbits += bits;
|
||||
} else {
|
||||
DynamicBuffer.unbits += bits;
|
||||
if(DynamicBuffer.unbits > 7) {
|
||||
DynamicBuffer.unbits -= 8;
|
||||
DynamicBuffer.length--;
|
||||
DynamicBuffer.bytes_shifted++;
|
||||
}
|
||||
}
|
||||
DEBUG("Unbits =>%d]", (int)DynamicBuffer.unbits);
|
||||
|
||||
buffer_dump();
|
||||
|
||||
DEBUG("Shifted. Now (o=%ld, u=%ld l=%ld)",
|
||||
(long)DynamicBuffer.offset,
|
||||
(long)DynamicBuffer.unbits,
|
||||
(long)DynamicBuffer.length);
|
||||
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
* Ensure that the buffer contains at least this amount of free space.
|
||||
*/
|
||||
static void add_bytes_to_buffer(const void *data2add, size_t bytes) {
|
||||
|
||||
if(bytes == 0) return;
|
||||
|
||||
DEBUG("=> add_bytes(%ld) { o=%ld l=%ld u=%ld, s=%ld }",
|
||||
(long)bytes,
|
||||
(long)DynamicBuffer.offset,
|
||||
(long)DynamicBuffer.length,
|
||||
(long)DynamicBuffer.unbits,
|
||||
(long)DynamicBuffer.allocated);
|
||||
|
||||
if(DynamicBuffer.allocated
|
||||
>= (DynamicBuffer.offset + DynamicBuffer.length + bytes)) {
|
||||
DEBUG("\tNo buffer reallocation is necessary");
|
||||
} else if(bytes <= DynamicBuffer.offset) {
|
||||
DEBUG("\tContents shifted by %ld", DynamicBuffer.offset);
|
||||
|
||||
/* Shift the buffer contents */
|
||||
memmove(DynamicBuffer.data,
|
||||
DynamicBuffer.data + DynamicBuffer.offset,
|
||||
DynamicBuffer.length);
|
||||
DynamicBuffer.bytes_shifted += DynamicBuffer.offset;
|
||||
DynamicBuffer.offset = 0;
|
||||
} else {
|
||||
size_t newsize = (DynamicBuffer.allocated << 2) + bytes;
|
||||
void *p = MALLOC(newsize);
|
||||
if(!p) {
|
||||
perror("malloc()");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
memcpy(p,
|
||||
DynamicBuffer.data + DynamicBuffer.offset,
|
||||
DynamicBuffer.length);
|
||||
FREEMEM(DynamicBuffer.data);
|
||||
DynamicBuffer.data = (uint8_t *)p;
|
||||
DynamicBuffer.offset = 0;
|
||||
DynamicBuffer.allocated = newsize;
|
||||
DynamicBuffer.nreallocs++;
|
||||
DEBUG("\tBuffer reallocated to %ld (%d time)",
|
||||
newsize, DynamicBuffer.nreallocs);
|
||||
}
|
||||
|
||||
memcpy(DynamicBuffer.data
|
||||
+ DynamicBuffer.offset + DynamicBuffer.length,
|
||||
data2add, bytes);
|
||||
DynamicBuffer.length += bytes;
|
||||
if(DynamicBuffer.unbits) {
|
||||
int bits = DynamicBuffer.unbits;
|
||||
DynamicBuffer.unbits = 0;
|
||||
buffer_shift_left(DynamicBuffer.length - bytes, bits);
|
||||
}
|
||||
|
||||
DEBUG("<= add_bytes(%ld) { o=%ld l=%ld u=%ld, s=%ld }",
|
||||
(long)bytes,
|
||||
(long)DynamicBuffer.offset,
|
||||
(long)DynamicBuffer.length,
|
||||
(long)DynamicBuffer.unbits,
|
||||
(long)DynamicBuffer.allocated);
|
||||
}
|
||||
|
||||
static void *
|
||||
data_decode_from_file(asn_TYPE_descriptor_t *pduType, FILE *file, const char *name, ssize_t suggested_bufsize, int on_first_pdu) {
|
||||
static uint8_t *fbuf;
|
||||
static ssize_t fbuf_size;
|
||||
static asn_codec_ctx_t s_codec_ctx;
|
||||
asn_codec_ctx_t *opt_codec_ctx = 0;
|
||||
void *structure = 0;
|
||||
asn_dec_rval_t rval;
|
||||
size_t old_offset;
|
||||
size_t new_offset;
|
||||
int tolerate_eof;
|
||||
size_t rd;
|
||||
|
||||
if(!file) {
|
||||
fprintf(stderr, "%s: %s\n", name, strerror(errno));
|
||||
errno = EINVAL;
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(opt_stack) {
|
||||
s_codec_ctx.max_stack_size = opt_stack;
|
||||
opt_codec_ctx = &s_codec_ctx;
|
||||
}
|
||||
|
||||
DEBUG("Processing %s", name);
|
||||
|
||||
/* prepare the file buffer */
|
||||
if(fbuf_size != suggested_bufsize) {
|
||||
fbuf = (uint8_t *)REALLOC(fbuf, suggested_bufsize);
|
||||
if(!fbuf) {
|
||||
perror("realloc()");
|
||||
exit(EX_OSERR);
|
||||
}
|
||||
fbuf_size = suggested_bufsize;
|
||||
}
|
||||
|
||||
if(on_first_pdu) {
|
||||
DynamicBuffer.offset = 0;
|
||||
DynamicBuffer.length = 0;
|
||||
DynamicBuffer.unbits = 0;
|
||||
DynamicBuffer.allocated = 0;
|
||||
DynamicBuffer.bytes_shifted = 0;
|
||||
DynamicBuffer.nreallocs = 0;
|
||||
}
|
||||
|
||||
old_offset = DynamicBuffer.bytes_shifted + DynamicBuffer.offset;
|
||||
|
||||
/* Pretend immediate EOF */
|
||||
rval.code = RC_WMORE;
|
||||
rval.consumed = 0;
|
||||
|
||||
for(tolerate_eof = 1; /* Allow EOF first time buffer is non-empty */
|
||||
(rd = fread(fbuf, 1, fbuf_size, file))
|
||||
|| feof(file) == 0
|
||||
|| (tolerate_eof && DynamicBuffer.length)
|
||||
;) {
|
||||
int ecbits = 0; /* Extra consumed bits in case of PER */
|
||||
uint8_t *i_bptr;
|
||||
size_t i_size;
|
||||
|
||||
/*
|
||||
* Copy the data over, or use the original buffer.
|
||||
*/
|
||||
if(DynamicBuffer.allocated) {
|
||||
/* Append new data into the existing dynamic buffer */
|
||||
add_bytes_to_buffer(fbuf, rd);
|
||||
i_bptr = DynamicBuffer.data + DynamicBuffer.offset;
|
||||
i_size = DynamicBuffer.length;
|
||||
} else {
|
||||
i_bptr = fbuf;
|
||||
i_size = rd;
|
||||
}
|
||||
|
||||
DEBUG("Decoding %ld bytes", (long)i_size);
|
||||
|
||||
#ifdef JUNKTEST
|
||||
junk_bytes_with_probability(i_bptr, i_size, opt_jprob);
|
||||
#endif
|
||||
|
||||
switch(iform) {
|
||||
case INP_BER:
|
||||
rval = ber_decode(opt_codec_ctx, pduType,
|
||||
(void **)&structure, i_bptr, i_size);
|
||||
break;
|
||||
case INP_XER:
|
||||
rval = xer_decode(opt_codec_ctx, pduType,
|
||||
(void **)&structure, i_bptr, i_size);
|
||||
break;
|
||||
case INP_PER:
|
||||
if(opt_nopad)
|
||||
rval = uper_decode(opt_codec_ctx, pduType,
|
||||
(void **)&structure, i_bptr, i_size, 0,
|
||||
DynamicBuffer.unbits);
|
||||
else
|
||||
rval = uper_decode_complete(opt_codec_ctx, pduType,
|
||||
(void **)&structure, i_bptr, i_size);
|
||||
switch(rval.code) {
|
||||
case RC_OK:
|
||||
/* Fall through */
|
||||
case RC_FAIL:
|
||||
if(opt_nopad) {
|
||||
/* uper_decode() returns bits! */
|
||||
/* Extra bits */
|
||||
ecbits = rval.consumed % 8;
|
||||
/* Convert into bytes! */
|
||||
rval.consumed /= 8;
|
||||
}
|
||||
break;
|
||||
case RC_WMORE:
|
||||
/* PER does not support restartability */
|
||||
ASN_STRUCT_FREE(*pduType, structure);
|
||||
structure = 0;
|
||||
rval.consumed = 0;
|
||||
/* Continue accumulating data */
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
DEBUG("decode(%ld) consumed %ld+%db (%ld), code %d",
|
||||
(long)DynamicBuffer.length,
|
||||
(long)rval.consumed, ecbits, (long)i_size,
|
||||
rval.code);
|
||||
|
||||
if(DynamicBuffer.allocated == 0) {
|
||||
/*
|
||||
* Flush remainder into the intermediate buffer.
|
||||
*/
|
||||
if(rval.code != RC_FAIL && rval.consumed < rd) {
|
||||
add_bytes_to_buffer(fbuf + rval.consumed,
|
||||
rd - rval.consumed);
|
||||
buffer_shift_left(0, ecbits);
|
||||
DynamicBuffer.bytes_shifted = rval.consumed;
|
||||
rval.consumed = 0;
|
||||
ecbits = 0;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Adjust position inside the source buffer.
|
||||
*/
|
||||
if(DynamicBuffer.allocated) {
|
||||
DynamicBuffer.offset += rval.consumed;
|
||||
DynamicBuffer.length -= rval.consumed;
|
||||
} else {
|
||||
DynamicBuffer.bytes_shifted += rval.consumed;
|
||||
}
|
||||
|
||||
switch(rval.code) {
|
||||
case RC_OK:
|
||||
if(ecbits) buffer_shift_left(0, ecbits);
|
||||
DEBUG("RC_OK, finishing up with %ld+%d",
|
||||
(long)rval.consumed, ecbits);
|
||||
return structure;
|
||||
case RC_WMORE:
|
||||
DEBUG("RC_WMORE, continuing read=%ld, cons=%ld "
|
||||
" with %ld..%ld-%ld..%ld",
|
||||
(long)rd,
|
||||
(long)rval.consumed,
|
||||
(long)DynamicBuffer.offset,
|
||||
(long)DynamicBuffer.length,
|
||||
(long)DynamicBuffer.unbits,
|
||||
(long)DynamicBuffer.allocated);
|
||||
if(!rd) tolerate_eof--;
|
||||
continue;
|
||||
case RC_FAIL:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
DEBUG("Clean up partially decoded structure");
|
||||
ASN_STRUCT_FREE(*pduType, structure);
|
||||
|
||||
new_offset = DynamicBuffer.bytes_shifted + DynamicBuffer.offset;
|
||||
|
||||
/*
|
||||
* Print a message and return failure only if not EOF,
|
||||
* unless this is our first PDU (empty file).
|
||||
*/
|
||||
if(on_first_pdu
|
||||
|| DynamicBuffer.length
|
||||
|| new_offset - old_offset > ((iform == INP_XER)?sizeof("\r\n")-1:0)
|
||||
) {
|
||||
|
||||
#ifdef JUNKTEST
|
||||
/*
|
||||
* Nothing's wrong with being unable to decode junk.
|
||||
* Simulate EOF.
|
||||
*/
|
||||
if(opt_jprob != 0.0) {
|
||||
junk_failures++;
|
||||
errno = 0;
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
DEBUG("ofp %d, no=%ld, oo=%ld, dbl=%ld",
|
||||
on_first_pdu, (long)new_offset, (long)old_offset,
|
||||
(long)DynamicBuffer.length);
|
||||
fprintf(stderr, "%s: "
|
||||
"Decode failed past byte %ld: %s\n",
|
||||
name, (long)new_offset,
|
||||
(rval.code == RC_WMORE)
|
||||
? "Unexpected end of input"
|
||||
: "Input processing error");
|
||||
#ifndef ENOMSG
|
||||
#define ENOMSG EINVAL
|
||||
#endif
|
||||
#ifndef EBADMSG
|
||||
#define EBADMSG EINVAL
|
||||
#endif
|
||||
errno = (rval.code == RC_WMORE) ? ENOMSG : EBADMSG;
|
||||
} else {
|
||||
/* Got EOF after a few successful PDUs */
|
||||
errno = 0;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Dump the buffer out to the specified FILE */
|
||||
static int write_out(const void *buffer, size_t size, void *key) {
|
||||
FILE *fp = (FILE *)key;
|
||||
return (fwrite(buffer, 1, size, fp) == size) ? 0 : -1;
|
||||
}
|
||||
|
||||
static int argument_is_stdin(char *av[], int idx) {
|
||||
if(strcmp(av[idx], "-")) {
|
||||
return 0; /* Certainly not <stdin> */
|
||||
} else {
|
||||
/* This might be <stdin>, unless `./program -- -` */
|
||||
if(strcmp(av[-1], "--"))
|
||||
return 1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
static FILE *argument_to_file(char *av[], int idx) {
|
||||
return argument_is_stdin(av, idx)
|
||||
? stdin
|
||||
: fopen(av[idx], "r");
|
||||
}
|
||||
|
||||
static char *argument_to_name(char *av[], int idx) {
|
||||
return argument_is_stdin(av, idx)
|
||||
? "standard input"
|
||||
: av[idx];
|
||||
}
|
||||
|
||||
#ifdef JUNKTEST
|
||||
/*
|
||||
* Fill bytes with some garbage with specified probability (more or less).
|
||||
*/
|
||||
static void
|
||||
junk_bytes_with_probability(uint8_t *buf, size_t size, double prob) {
|
||||
static int junkmode;
|
||||
uint8_t *ptr;
|
||||
uint8_t *end;
|
||||
if(opt_jprob <= 0.0) return;
|
||||
for(ptr = buf, end = ptr + size; ptr < end; ptr++) {
|
||||
int byte = *ptr;
|
||||
if(junkmode++ & 1) {
|
||||
if((((double)random() / RAND_MAX) < prob))
|
||||
byte = random() & 0xff;
|
||||
} else {
|
||||
#define BPROB(b) ((((double)random() / RAND_MAX) < prob) ? b : 0)
|
||||
byte ^= BPROB(0x80);
|
||||
byte ^= BPROB(0x40);
|
||||
byte ^= BPROB(0x20);
|
||||
byte ^= BPROB(0x10);
|
||||
byte ^= BPROB(0x08);
|
||||
byte ^= BPROB(0x04);
|
||||
byte ^= BPROB(0x02);
|
||||
byte ^= BPROB(0x01);
|
||||
}
|
||||
if(byte != *ptr) {
|
||||
DEBUG("Junk buf[%d] %02x -> %02x",
|
||||
ptr - buf, *ptr, byte);
|
||||
*ptr = byte;
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif /* JUNKTEST */
|
||||
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/der_encoder.c
|
||||
Vendored
+199
@@ -0,0 +1,199 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <errno.h>
|
||||
|
||||
static ssize_t der_write_TL(ber_tlv_tag_t tag, ber_tlv_len_t len,
|
||||
asn_app_consume_bytes_f *cb, void *app_key, int constructed);
|
||||
|
||||
/*
|
||||
* The DER encoder of any type.
|
||||
*/
|
||||
asn_enc_rval_t
|
||||
der_encode(asn_TYPE_descriptor_t *type_descriptor, void *struct_ptr,
|
||||
asn_app_consume_bytes_f *consume_bytes, void *app_key) {
|
||||
|
||||
ASN_DEBUG("DER encoder invoked for %s",
|
||||
type_descriptor->name);
|
||||
|
||||
/*
|
||||
* Invoke type-specific encoder.
|
||||
*/
|
||||
return type_descriptor->der_encoder(type_descriptor,
|
||||
struct_ptr, /* Pointer to the destination structure */
|
||||
0, 0,
|
||||
consume_bytes, app_key);
|
||||
}
|
||||
|
||||
/*
|
||||
* Argument type and callback necessary for der_encode_to_buffer().
|
||||
*/
|
||||
typedef struct enc_to_buf_arg {
|
||||
void *buffer;
|
||||
size_t left;
|
||||
} enc_to_buf_arg;
|
||||
static int encode_to_buffer_cb(const void *buffer, size_t size, void *key) {
|
||||
enc_to_buf_arg *arg = (enc_to_buf_arg *)key;
|
||||
|
||||
if(arg->left < size)
|
||||
return -1; /* Data exceeds the available buffer size */
|
||||
|
||||
memcpy(arg->buffer, buffer, size);
|
||||
arg->buffer = ((char *)arg->buffer) + size;
|
||||
arg->left -= size;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* A variant of the der_encode() which encodes the data into the provided buffer
|
||||
*/
|
||||
asn_enc_rval_t
|
||||
der_encode_to_buffer(asn_TYPE_descriptor_t *type_descriptor, void *struct_ptr,
|
||||
void *buffer, size_t buffer_size) {
|
||||
enc_to_buf_arg arg;
|
||||
asn_enc_rval_t ec;
|
||||
|
||||
arg.buffer = buffer;
|
||||
arg.left = buffer_size;
|
||||
|
||||
ec = type_descriptor->der_encoder(type_descriptor,
|
||||
struct_ptr, /* Pointer to the destination structure */
|
||||
0, 0, encode_to_buffer_cb, &arg);
|
||||
if(ec.encoded != -1) {
|
||||
assert(ec.encoded == (ssize_t)(buffer_size - arg.left));
|
||||
/* Return the encoded contents size */
|
||||
}
|
||||
return ec;
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Write out leading TL[v] sequence according to the type definition.
|
||||
*/
|
||||
ssize_t
|
||||
der_write_tags(asn_TYPE_descriptor_t *sd,
|
||||
size_t struct_length,
|
||||
int tag_mode, int last_tag_form,
|
||||
ber_tlv_tag_t tag, /* EXPLICIT or IMPLICIT tag */
|
||||
asn_app_consume_bytes_f *cb,
|
||||
void *app_key) {
|
||||
ber_tlv_tag_t *tags; /* Copy of tags stream */
|
||||
int tags_count; /* Number of tags */
|
||||
size_t overall_length;
|
||||
ssize_t *lens;
|
||||
int i;
|
||||
|
||||
ASN_DEBUG("Writing tags (%s, tm=%d, tc=%d, tag=%s, mtc=%d)",
|
||||
sd->name, tag_mode, sd->tags_count,
|
||||
ber_tlv_tag_string(tag),
|
||||
tag_mode
|
||||
?(sd->tags_count+1
|
||||
-((tag_mode == -1) && sd->tags_count))
|
||||
:sd->tags_count
|
||||
);
|
||||
|
||||
if(tag_mode) {
|
||||
/*
|
||||
* Instead of doing shaman dance like we do in ber_check_tags(),
|
||||
* allocate a small array on the stack
|
||||
* and initialize it appropriately.
|
||||
*/
|
||||
int stag_offset;
|
||||
tags = (ber_tlv_tag_t *)alloca((sd->tags_count + 1) * sizeof(ber_tlv_tag_t));
|
||||
if(!tags) { /* Can fail on !x86 */
|
||||
errno = ENOMEM;
|
||||
return -1;
|
||||
}
|
||||
tags_count = sd->tags_count
|
||||
+ 1 /* EXPLICIT or IMPLICIT tag is given */
|
||||
- ((tag_mode == -1) && sd->tags_count);
|
||||
/* Copy tags over */
|
||||
tags[0] = tag;
|
||||
stag_offset = -1 + ((tag_mode == -1) && sd->tags_count);
|
||||
for(i = 1; i < tags_count; i++)
|
||||
tags[i] = sd->tags[i + stag_offset];
|
||||
} else {
|
||||
tags = sd->tags;
|
||||
tags_count = sd->tags_count;
|
||||
}
|
||||
|
||||
/* No tags to write */
|
||||
if(tags_count == 0)
|
||||
return 0;
|
||||
|
||||
lens = (ssize_t *)alloca(tags_count * sizeof(lens[0]));
|
||||
if(!lens) {
|
||||
errno = ENOMEM;
|
||||
return -1;
|
||||
}
|
||||
|
||||
/*
|
||||
* Array of tags is initialized.
|
||||
* Now, compute the size of the TLV pairs, from right to left.
|
||||
*/
|
||||
overall_length = struct_length;
|
||||
for(i = tags_count - 1; i >= 0; --i) {
|
||||
lens[i] = der_write_TL(tags[i], overall_length, 0, 0, 0);
|
||||
if(lens[i] == -1) return -1;
|
||||
overall_length += lens[i];
|
||||
lens[i] = overall_length - lens[i];
|
||||
}
|
||||
|
||||
if(!cb) return overall_length - struct_length;
|
||||
|
||||
ASN_DEBUG("%s %s TL sequence (%d elements)",
|
||||
cb?"Encoding":"Estimating", sd->name, tags_count);
|
||||
|
||||
/*
|
||||
* Encode the TL sequence for real.
|
||||
*/
|
||||
for(i = 0; i < tags_count; i++) {
|
||||
ssize_t len;
|
||||
int _constr;
|
||||
|
||||
/* Check if this tag happens to be constructed */
|
||||
_constr = (last_tag_form || i < (tags_count - 1));
|
||||
|
||||
len = der_write_TL(tags[i], lens[i], cb, app_key, _constr);
|
||||
if(len == -1) return -1;
|
||||
}
|
||||
|
||||
return overall_length - struct_length;
|
||||
}
|
||||
|
||||
static ssize_t
|
||||
der_write_TL(ber_tlv_tag_t tag, ber_tlv_len_t len,
|
||||
asn_app_consume_bytes_f *cb, void *app_key,
|
||||
int constructed) {
|
||||
uint8_t buf[32];
|
||||
size_t size = 0;
|
||||
int buf_size = cb?sizeof(buf):0;
|
||||
ssize_t tmp;
|
||||
|
||||
/* Serialize tag (T from TLV) into possibly zero-length buffer */
|
||||
tmp = ber_tlv_tag_serialize(tag, buf, buf_size);
|
||||
if(tmp == -1 || tmp > (ssize_t)sizeof(buf)) return -1;
|
||||
size += tmp;
|
||||
|
||||
/* Serialize length (L from TLV) into possibly zero-length buffer */
|
||||
tmp = der_tlv_length_serialize(len, buf+size, buf_size?buf_size-size:0);
|
||||
if(tmp == -1) return -1;
|
||||
size += tmp;
|
||||
|
||||
if(size > sizeof(buf))
|
||||
return -1;
|
||||
|
||||
/*
|
||||
* If callback is specified, invoke it, and check its return value.
|
||||
*/
|
||||
if(cb) {
|
||||
if(constructed) *buf |= 0x20;
|
||||
if(cb(buf, size, app_key) < 0)
|
||||
return -1;
|
||||
}
|
||||
|
||||
return size;
|
||||
}
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/der_encoder.h
|
||||
Vendored
+68
@@ -0,0 +1,68 @@
|
||||
/*-
|
||||
* Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _DER_ENCODER_H_
|
||||
#define _DER_ENCODER_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct asn_TYPE_descriptor_s; /* Forward declaration */
|
||||
|
||||
/*
|
||||
* The DER encoder of any type. May be invoked by the application.
|
||||
* The ber_decode() function (ber_decoder.h) is an opposite of der_encode().
|
||||
*/
|
||||
asn_enc_rval_t der_encode(struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
void *struct_ptr, /* Structure to be encoded */
|
||||
asn_app_consume_bytes_f *consume_bytes_cb,
|
||||
void *app_key /* Arbitrary callback argument */
|
||||
);
|
||||
|
||||
/* A variant of der_encode() which encodes data into the pre-allocated buffer */
|
||||
asn_enc_rval_t der_encode_to_buffer(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
void *struct_ptr, /* Structure to be encoded */
|
||||
void *buffer, /* Pre-allocated buffer */
|
||||
size_t buffer_size /* Initial buffer size (maximum) */
|
||||
);
|
||||
|
||||
/*
|
||||
* Type of the generic DER encoder.
|
||||
*/
|
||||
typedef asn_enc_rval_t (der_type_encoder_f)(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
void *struct_ptr, /* Structure to be encoded */
|
||||
int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
|
||||
ber_tlv_tag_t tag,
|
||||
asn_app_consume_bytes_f *consume_bytes_cb, /* Callback */
|
||||
void *app_key /* Arbitrary callback argument */
|
||||
);
|
||||
|
||||
|
||||
/*******************************
|
||||
* INTERNALLY USEFUL FUNCTIONS *
|
||||
*******************************/
|
||||
|
||||
/*
|
||||
* Write out leading TL[v] sequence according to the type definition.
|
||||
*/
|
||||
ssize_t der_write_tags(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
size_t struct_length,
|
||||
int tag_mode, /* {-1,0,1}: IMPLICIT, no, EXPLICIT */
|
||||
int last_tag_form, /* {0,!0}: prim, constructed */
|
||||
ber_tlv_tag_t tag,
|
||||
asn_app_consume_bytes_f *consume_bytes_cb,
|
||||
void *app_key
|
||||
);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _DER_ENCODER_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/per_decoder.c
|
||||
Vendored
+93
@@ -0,0 +1,93 @@
|
||||
#include <asn_application.h>
|
||||
#include <asn_internal.h>
|
||||
#include <per_decoder.h>
|
||||
|
||||
/*
|
||||
* Decode a "Production of a complete encoding", X.691#10.1.
|
||||
* The complete encoding contains at least one byte, and is an integral
|
||||
* multiple of 8 bytes.
|
||||
*/
|
||||
asn_dec_rval_t
|
||||
uper_decode_complete(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, void **sptr, const void *buffer, size_t size) {
|
||||
asn_dec_rval_t rval;
|
||||
|
||||
rval = uper_decode(opt_codec_ctx, td, sptr, buffer, size, 0, 0);
|
||||
if(rval.consumed) {
|
||||
/*
|
||||
* We've always given 8-aligned data,
|
||||
* so convert bits to integral bytes.
|
||||
*/
|
||||
rval.consumed += 7;
|
||||
rval.consumed >>= 3;
|
||||
} else if(rval.code == RC_OK) {
|
||||
if(size) {
|
||||
if(((uint8_t *)buffer)[0] == 0) {
|
||||
rval.consumed = 1; /* 1 byte */
|
||||
} else {
|
||||
ASN_DEBUG("Expecting single zeroed byte");
|
||||
rval.code = RC_FAIL;
|
||||
}
|
||||
} else {
|
||||
/* Must contain at least 8 bits. */
|
||||
rval.code = RC_WMORE;
|
||||
}
|
||||
}
|
||||
|
||||
return rval;
|
||||
}
|
||||
|
||||
asn_dec_rval_t
|
||||
uper_decode(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, void **sptr, const void *buffer, size_t size, int skip_bits, int unused_bits) {
|
||||
asn_codec_ctx_t s_codec_ctx;
|
||||
asn_dec_rval_t rval;
|
||||
asn_per_data_t pd;
|
||||
|
||||
if(skip_bits < 0 || skip_bits > 7
|
||||
|| unused_bits < 0 || unused_bits > 7
|
||||
|| (unused_bits > 0 && !size))
|
||||
_ASN_DECODE_FAILED;
|
||||
|
||||
/*
|
||||
* Stack checker requires that the codec context
|
||||
* must be allocated on the stack.
|
||||
*/
|
||||
if(opt_codec_ctx) {
|
||||
if(opt_codec_ctx->max_stack_size) {
|
||||
s_codec_ctx = *opt_codec_ctx;
|
||||
opt_codec_ctx = &s_codec_ctx;
|
||||
}
|
||||
} else {
|
||||
/* If context is not given, be security-conscious anyway */
|
||||
memset(&s_codec_ctx, 0, sizeof(s_codec_ctx));
|
||||
s_codec_ctx.max_stack_size = _ASN_DEFAULT_STACK_MAX;
|
||||
opt_codec_ctx = &s_codec_ctx;
|
||||
}
|
||||
|
||||
/* Fill in the position indicator */
|
||||
memset(&pd, 0, sizeof(pd));
|
||||
pd.buffer = (const uint8_t *)buffer;
|
||||
pd.nboff = skip_bits;
|
||||
pd.nbits = 8 * size - unused_bits; /* 8 is CHAR_BIT from <limits.h> */
|
||||
if(pd.nboff > pd.nbits)
|
||||
_ASN_DECODE_FAILED;
|
||||
|
||||
/*
|
||||
* Invoke type-specific decoder.
|
||||
*/
|
||||
if(!td->uper_decoder)
|
||||
_ASN_DECODE_FAILED; /* PER is not compiled in */
|
||||
rval = td->uper_decoder(opt_codec_ctx, td, 0, sptr, &pd);
|
||||
if(rval.code == RC_OK) {
|
||||
/* Return the number of consumed bits */
|
||||
rval.consumed = ((pd.buffer - (const uint8_t *)buffer) << 3)
|
||||
+ pd.nboff - skip_bits;
|
||||
ASN_DEBUG("PER decoding consumed %d, counted %d",
|
||||
rval.consumed, pd.moved);
|
||||
assert(rval.consumed == pd.moved);
|
||||
} else {
|
||||
/* PER codec is not a restartable */
|
||||
rval.consumed = 0;
|
||||
}
|
||||
return rval;
|
||||
}
|
||||
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/per_decoder.h
|
||||
Vendored
+56
@@ -0,0 +1,56 @@
|
||||
/*-
|
||||
* Copyright (c) 2005, 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _PER_DECODER_H_
|
||||
#define _PER_DECODER_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
#include <per_support.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct asn_TYPE_descriptor_s; /* Forward declaration */
|
||||
|
||||
/*
|
||||
* Unaligned PER decoder of a "complete encoding" as per X.691#10.1.
|
||||
* On success, this call always returns (.consumed >= 1), as per X.691#10.1.3.
|
||||
*/
|
||||
asn_dec_rval_t uper_decode_complete(struct asn_codec_ctx_s *opt_codec_ctx,
|
||||
struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */
|
||||
void **struct_ptr, /* Pointer to a target structure's pointer */
|
||||
const void *buffer, /* Data to be decoded */
|
||||
size_t size /* Size of data buffer */
|
||||
);
|
||||
|
||||
/*
|
||||
* Unaligned PER decoder of any ASN.1 type. May be invoked by the application.
|
||||
* WARNING: This call returns the number of BITS read from the stream. Beware.
|
||||
*/
|
||||
asn_dec_rval_t uper_decode(struct asn_codec_ctx_s *opt_codec_ctx,
|
||||
struct asn_TYPE_descriptor_s *type_descriptor, /* Type to decode */
|
||||
void **struct_ptr, /* Pointer to a target structure's pointer */
|
||||
const void *buffer, /* Data to be decoded */
|
||||
size_t size, /* Size of data buffer */
|
||||
int skip_bits, /* Number of unused leading bits, 0..7 */
|
||||
int unused_bits /* Number of unused tailing bits, 0..7 */
|
||||
);
|
||||
|
||||
|
||||
/*
|
||||
* Type of the type-specific PER decoder function.
|
||||
*/
|
||||
typedef asn_dec_rval_t (per_type_decoder_f)(asn_codec_ctx_t *opt_codec_ctx,
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
asn_per_constraints_t *constraints,
|
||||
void **struct_ptr,
|
||||
asn_per_data_t *per_data
|
||||
);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _PER_DECODER_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/per_encoder.c
|
||||
Vendored
+151
@@ -0,0 +1,151 @@
|
||||
#include <asn_application.h>
|
||||
#include <asn_internal.h>
|
||||
#include <per_encoder.h>
|
||||
|
||||
static asn_enc_rval_t uper_encode_internal(asn_TYPE_descriptor_t *td, asn_per_constraints_t *, void *sptr, asn_app_consume_bytes_f *cb, void *app_key);
|
||||
|
||||
asn_enc_rval_t
|
||||
uper_encode(asn_TYPE_descriptor_t *td, void *sptr, asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
return uper_encode_internal(td, 0, sptr, cb, app_key);
|
||||
}
|
||||
|
||||
/*
|
||||
* Argument type and callback necessary for uper_encode_to_buffer().
|
||||
*/
|
||||
typedef struct enc_to_buf_arg {
|
||||
void *buffer;
|
||||
size_t left;
|
||||
} enc_to_buf_arg;
|
||||
static int encode_to_buffer_cb(const void *buffer, size_t size, void *key) {
|
||||
enc_to_buf_arg *arg = (enc_to_buf_arg *)key;
|
||||
|
||||
if(arg->left < size)
|
||||
return -1; /* Data exceeds the available buffer size */
|
||||
|
||||
memcpy(arg->buffer, buffer, size);
|
||||
arg->buffer = ((char *)arg->buffer) + size;
|
||||
arg->left -= size;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
asn_enc_rval_t
|
||||
uper_encode_to_buffer(asn_TYPE_descriptor_t *td, void *sptr, void *buffer, size_t buffer_size) {
|
||||
enc_to_buf_arg key;
|
||||
|
||||
key.buffer = buffer;
|
||||
key.left = buffer_size;
|
||||
|
||||
if(td) ASN_DEBUG("Encoding \"%s\" using UNALIGNED PER", td->name);
|
||||
|
||||
return uper_encode_internal(td, 0, sptr, encode_to_buffer_cb, &key);
|
||||
}
|
||||
|
||||
typedef struct enc_dyn_arg {
|
||||
void *buffer;
|
||||
size_t length;
|
||||
size_t allocated;
|
||||
} enc_dyn_arg;
|
||||
static int
|
||||
encode_dyn_cb(const void *buffer, size_t size, void *key) {
|
||||
enc_dyn_arg *arg = key;
|
||||
if(arg->length + size >= arg->allocated) {
|
||||
void *p;
|
||||
arg->allocated = arg->allocated ? (arg->allocated << 2) : size;
|
||||
p = REALLOC(arg->buffer, arg->allocated);
|
||||
if(!p) {
|
||||
FREEMEM(arg->buffer);
|
||||
memset(arg, 0, sizeof(*arg));
|
||||
return -1;
|
||||
}
|
||||
arg->buffer = p;
|
||||
}
|
||||
memcpy(((char *)arg->buffer) + arg->length, buffer, size);
|
||||
arg->length += size;
|
||||
return 0;
|
||||
}
|
||||
ssize_t
|
||||
uper_encode_to_new_buffer(asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints, void *sptr, void **buffer_r) {
|
||||
asn_enc_rval_t er;
|
||||
enc_dyn_arg key;
|
||||
|
||||
memset(&key, 0, sizeof(key));
|
||||
|
||||
er = uper_encode_internal(td, constraints, sptr, encode_dyn_cb, &key);
|
||||
switch(er.encoded) {
|
||||
case -1:
|
||||
FREEMEM(key.buffer);
|
||||
return -1;
|
||||
case 0:
|
||||
FREEMEM(key.buffer);
|
||||
key.buffer = MALLOC(1);
|
||||
if(key.buffer) {
|
||||
*(char *)key.buffer = '\0';
|
||||
*buffer_r = key.buffer;
|
||||
return 1;
|
||||
} else {
|
||||
return -1;
|
||||
}
|
||||
default:
|
||||
*buffer_r = key.buffer;
|
||||
ASN_DEBUG("Complete encoded in %d bits", er.encoded);
|
||||
return ((er.encoded + 7) >> 3);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Internally useful functions.
|
||||
*/
|
||||
|
||||
/* Flush partially filled buffer */
|
||||
static int
|
||||
_uper_encode_flush_outp(asn_per_outp_t *po) {
|
||||
uint8_t *buf;
|
||||
|
||||
if(po->nboff == 0 && po->buffer == po->tmpspace)
|
||||
return 0;
|
||||
|
||||
buf = po->buffer + (po->nboff >> 3);
|
||||
/* Make sure we account for the last, partially filled */
|
||||
if(po->nboff & 0x07) {
|
||||
buf[0] &= 0xff << (8 - (po->nboff & 0x07));
|
||||
buf++;
|
||||
}
|
||||
|
||||
return po->outper(po->tmpspace, buf - po->tmpspace, po->op_key);
|
||||
}
|
||||
|
||||
static asn_enc_rval_t
|
||||
uper_encode_internal(asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints, void *sptr, asn_app_consume_bytes_f *cb, void *app_key) {
|
||||
asn_per_outp_t po;
|
||||
asn_enc_rval_t er;
|
||||
|
||||
/*
|
||||
* Invoke type-specific encoder.
|
||||
*/
|
||||
if(!td || !td->uper_encoder)
|
||||
_ASN_ENCODE_FAILED; /* PER is not compiled in */
|
||||
|
||||
po.buffer = po.tmpspace;
|
||||
po.nboff = 0;
|
||||
po.nbits = 8 * sizeof(po.tmpspace);
|
||||
po.outper = cb;
|
||||
po.op_key = app_key;
|
||||
po.flushed_bytes = 0;
|
||||
|
||||
er = td->uper_encoder(td, constraints, sptr, &po);
|
||||
if(er.encoded != -1) {
|
||||
size_t bits_to_flush;
|
||||
|
||||
bits_to_flush = ((po.buffer - po.tmpspace) << 3) + po.nboff;
|
||||
|
||||
/* Set number of bits encoded to a firm value */
|
||||
er.encoded = (po.flushed_bytes << 3) + bits_to_flush;
|
||||
|
||||
if(_uper_encode_flush_outp(&po))
|
||||
_ASN_ENCODE_FAILED;
|
||||
}
|
||||
|
||||
return er;
|
||||
}
|
||||
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/per_encoder.h
|
||||
Vendored
+69
@@ -0,0 +1,69 @@
|
||||
/*-
|
||||
* Copyright (c) 2006, 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#ifndef _PER_ENCODER_H_
|
||||
#define _PER_ENCODER_H_
|
||||
|
||||
#include <asn_application.h>
|
||||
#include <per_support.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
struct asn_TYPE_descriptor_s; /* Forward declaration */
|
||||
|
||||
/*
|
||||
* Unaligned PER encoder of any ASN.1 type. May be invoked by the application.
|
||||
* WARNING: This function returns the number of encoded bits in the .encoded
|
||||
* field of the return value. Use the following formula to convert to bytes:
|
||||
* bytes = ((.encoded + 7) / 8)
|
||||
*/
|
||||
asn_enc_rval_t uper_encode(struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
void *struct_ptr, /* Structure to be encoded */
|
||||
asn_app_consume_bytes_f *consume_bytes_cb, /* Data collector */
|
||||
void *app_key /* Arbitrary callback argument */
|
||||
);
|
||||
|
||||
/*
|
||||
* A variant of uper_encode() which encodes data into the existing buffer
|
||||
* WARNING: This function returns the number of encoded bits in the .encoded
|
||||
* field of the return value.
|
||||
*/
|
||||
asn_enc_rval_t uper_encode_to_buffer(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
void *struct_ptr, /* Structure to be encoded */
|
||||
void *buffer, /* Pre-allocated buffer */
|
||||
size_t buffer_size /* Initial buffer size (max) */
|
||||
);
|
||||
|
||||
/*
|
||||
* A variant of uper_encode_to_buffer() which allocates buffer itself.
|
||||
* Returns the number of bytes in the buffer or -1 in case of failure.
|
||||
* WARNING: This function produces a "Production of the complete encoding",
|
||||
* with length of at least one octet. Contrast this to precise bit-packing
|
||||
* encoding of uper_encode() and uper_encode_to_buffer().
|
||||
*/
|
||||
ssize_t uper_encode_to_new_buffer(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
asn_per_constraints_t *constraints,
|
||||
void *struct_ptr, /* Structure to be encoded */
|
||||
void **buffer_r /* Buffer allocated and returned */
|
||||
);
|
||||
|
||||
/*
|
||||
* Type of the generic PER encoder function.
|
||||
*/
|
||||
typedef asn_enc_rval_t (per_type_encoder_f)(
|
||||
struct asn_TYPE_descriptor_s *type_descriptor,
|
||||
asn_per_constraints_t *constraints,
|
||||
void *struct_ptr,
|
||||
asn_per_outp_t *per_output
|
||||
);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* _PER_ENCODER_H_ */
|
||||
Vendored
-1
@@ -1 +0,0 @@
|
||||
/opt/local/share/asn1c/per_opentype.c
|
||||
Vendored
+373
@@ -0,0 +1,373 @@
|
||||
/*
|
||||
* Copyright (c) 2007 Lev Walkin <vlm@lionet.info>. All rights reserved.
|
||||
* Redistribution and modifications are permitted subject to BSD license.
|
||||
*/
|
||||
#include <asn_internal.h>
|
||||
#include <per_support.h>
|
||||
#include <constr_TYPE.h>
|
||||
#include <per_opentype.h>
|
||||
|
||||
typedef struct uper_ugot_key {
|
||||
asn_per_data_t oldpd; /* Old per data source */
|
||||
size_t unclaimed;
|
||||
size_t ot_moved; /* Number of bits moved by OT processing */
|
||||
int repeat;
|
||||
} uper_ugot_key;
|
||||
|
||||
static int uper_ugot_refill(asn_per_data_t *pd);
|
||||
static int per_skip_bits(asn_per_data_t *pd, int skip_nbits);
|
||||
static asn_dec_rval_t uper_sot_suck(asn_codec_ctx_t *, asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd);
|
||||
|
||||
int asn_debug_indent;
|
||||
|
||||
/*
|
||||
* Encode an "open type field".
|
||||
* #10.1, #10.2
|
||||
*/
|
||||
int
|
||||
uper_open_type_put(asn_TYPE_descriptor_t *td, asn_per_constraints_t *constraints, void *sptr, asn_per_outp_t *po) {
|
||||
void *buf;
|
||||
void *bptr;
|
||||
ssize_t size;
|
||||
size_t toGo;
|
||||
|
||||
ASN_DEBUG("Open type put %s ...", td->name);
|
||||
|
||||
size = uper_encode_to_new_buffer(td, constraints, sptr, &buf);
|
||||
if(size <= 0) return -1;
|
||||
|
||||
for(bptr = buf, toGo = size; toGo;) {
|
||||
ssize_t maySave = uper_put_length(po, toGo);
|
||||
if(maySave < 0) break;
|
||||
if(per_put_many_bits(po, bptr, maySave * 8)) break;
|
||||
bptr = (char *)bptr + maySave;
|
||||
toGo -= maySave;
|
||||
}
|
||||
|
||||
FREEMEM(buf);
|
||||
if(toGo) return -1;
|
||||
|
||||
ASN_DEBUG("Open type put %s of length %d + overhead (1byte?)",
|
||||
td->name, size);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static asn_dec_rval_t
|
||||
uper_open_type_get_simple(asn_codec_ctx_t *ctx, asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
|
||||
asn_dec_rval_t rv;
|
||||
ssize_t chunk_bytes;
|
||||
int repeat;
|
||||
uint8_t *buf = 0;
|
||||
size_t bufLen = 0;
|
||||
size_t bufSize = 0;
|
||||
asn_per_data_t spd;
|
||||
size_t padding;
|
||||
|
||||
_ASN_STACK_OVERFLOW_CHECK(ctx);
|
||||
|
||||
ASN_DEBUG("Getting open type %s...", td->name);
|
||||
|
||||
do {
|
||||
chunk_bytes = uper_get_length(pd, -1, &repeat);
|
||||
if(chunk_bytes < 0) {
|
||||
FREEMEM(buf);
|
||||
_ASN_DECODE_STARVED;
|
||||
}
|
||||
if(bufLen + chunk_bytes > bufSize) {
|
||||
void *ptr;
|
||||
bufSize = chunk_bytes + (bufSize << 2);
|
||||
ptr = REALLOC(buf, bufSize);
|
||||
if(!ptr) {
|
||||
FREEMEM(buf);
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
buf = ptr;
|
||||
}
|
||||
if(per_get_many_bits(pd, buf + bufLen, 0, chunk_bytes << 3)) {
|
||||
FREEMEM(buf);
|
||||
_ASN_DECODE_STARVED;
|
||||
}
|
||||
bufLen += chunk_bytes;
|
||||
} while(repeat);
|
||||
|
||||
ASN_DEBUG("Getting open type %s encoded in %d bytes", td->name,
|
||||
bufLen);
|
||||
|
||||
memset(&spd, 0, sizeof(spd));
|
||||
spd.buffer = buf;
|
||||
spd.nbits = bufLen << 3;
|
||||
|
||||
asn_debug_indent += 4;
|
||||
rv = td->uper_decoder(ctx, td, constraints, sptr, &spd);
|
||||
asn_debug_indent -= 4;
|
||||
|
||||
if(rv.code == RC_OK) {
|
||||
/* Check padding validity */
|
||||
padding = spd.nbits - spd.nboff;
|
||||
if(padding < 8 && per_get_few_bits(&spd, padding) == 0) {
|
||||
/* Everything is cool */
|
||||
FREEMEM(buf);
|
||||
return rv;
|
||||
}
|
||||
FREEMEM(buf);
|
||||
if(padding >= 8) {
|
||||
ASN_DEBUG("Too large padding %d in open type", padding);
|
||||
_ASN_DECODE_FAILED;
|
||||
} else {
|
||||
ASN_DEBUG("Non-zero padding");
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
} else {
|
||||
FREEMEM(buf);
|
||||
/* rv.code could be RC_WMORE, nonsense in this context */
|
||||
rv.code = RC_FAIL; /* Noone would give us more */
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
static asn_dec_rval_t GCC_NOTUSED
|
||||
uper_open_type_get_complex(asn_codec_ctx_t *ctx, asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
|
||||
uper_ugot_key arg;
|
||||
asn_dec_rval_t rv;
|
||||
ssize_t padding;
|
||||
|
||||
_ASN_STACK_OVERFLOW_CHECK(ctx);
|
||||
|
||||
ASN_DEBUG("Getting open type %s from %s", td->name,
|
||||
per_data_string(pd));
|
||||
arg.oldpd = *pd;
|
||||
arg.unclaimed = 0;
|
||||
arg.ot_moved = 0;
|
||||
arg.repeat = 1;
|
||||
pd->refill = uper_ugot_refill;
|
||||
pd->refill_key = &arg;
|
||||
pd->nbits = pd->nboff; /* 0 good bits at this point, will refill */
|
||||
pd->moved = 0; /* This now counts the open type size in bits */
|
||||
|
||||
asn_debug_indent += 4;
|
||||
rv = td->uper_decoder(ctx, td, constraints, sptr, pd);
|
||||
asn_debug_indent -= 4;
|
||||
|
||||
#define UPDRESTOREPD do { \
|
||||
/* buffer and nboff are valid, preserve them. */ \
|
||||
pd->nbits = arg.oldpd.nbits - (pd->moved - arg.ot_moved); \
|
||||
pd->moved = arg.oldpd.moved + (pd->moved - arg.ot_moved); \
|
||||
pd->refill = arg.oldpd.refill; \
|
||||
pd->refill_key = arg.oldpd.refill_key; \
|
||||
} while(0)
|
||||
|
||||
if(rv.code != RC_OK) {
|
||||
UPDRESTOREPD;
|
||||
return rv;
|
||||
}
|
||||
|
||||
ASN_DEBUG("OpenType %s pd%s old%s unclaimed=%d, repeat=%d"
|
||||
, td->name,
|
||||
per_data_string(pd),
|
||||
per_data_string(&arg.oldpd),
|
||||
arg.unclaimed, arg.repeat);
|
||||
|
||||
padding = pd->moved % 8;
|
||||
if(padding) {
|
||||
int32_t pvalue;
|
||||
if(padding > 7) {
|
||||
ASN_DEBUG("Too large padding %d in open type",
|
||||
padding);
|
||||
rv.code = RC_FAIL;
|
||||
UPDRESTOREPD;
|
||||
return rv;
|
||||
}
|
||||
padding = 8 - padding;
|
||||
ASN_DEBUG("Getting padding of %d bits", padding);
|
||||
pvalue = per_get_few_bits(pd, padding);
|
||||
switch(pvalue) {
|
||||
case -1:
|
||||
ASN_DEBUG("Padding skip failed");
|
||||
UPDRESTOREPD;
|
||||
_ASN_DECODE_STARVED;
|
||||
case 0: break;
|
||||
default:
|
||||
ASN_DEBUG("Non-blank padding (%d bits 0x%02x)",
|
||||
padding, (int)pvalue);
|
||||
UPDRESTOREPD;
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
}
|
||||
if(pd->nboff != pd->nbits) {
|
||||
ASN_DEBUG("Open type %s overhead pd%s old%s", td->name,
|
||||
per_data_string(pd), per_data_string(&arg.oldpd));
|
||||
if(1) {
|
||||
UPDRESTOREPD;
|
||||
_ASN_DECODE_FAILED;
|
||||
} else {
|
||||
arg.unclaimed += pd->nbits - pd->nboff;
|
||||
}
|
||||
}
|
||||
|
||||
/* Adjust pd back so it points to original data */
|
||||
UPDRESTOREPD;
|
||||
|
||||
/* Skip data not consumed by the decoder */
|
||||
if(arg.unclaimed) ASN_DEBUG("Getting unclaimed %d", arg.unclaimed);
|
||||
if(arg.unclaimed) {
|
||||
switch(per_skip_bits(pd, arg.unclaimed)) {
|
||||
case -1:
|
||||
ASN_DEBUG("Claim of %d failed", arg.unclaimed);
|
||||
_ASN_DECODE_STARVED;
|
||||
case 0:
|
||||
ASN_DEBUG("Got claim of %d", arg.unclaimed);
|
||||
break;
|
||||
default:
|
||||
/* Padding must be blank */
|
||||
ASN_DEBUG("Non-blank unconsumed padding");
|
||||
_ASN_DECODE_FAILED;
|
||||
}
|
||||
arg.unclaimed = 0;
|
||||
}
|
||||
|
||||
if(arg.repeat) {
|
||||
ASN_DEBUG("Not consumed the whole thing");
|
||||
rv.code = RC_FAIL;
|
||||
return rv;
|
||||
}
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
|
||||
asn_dec_rval_t
|
||||
uper_open_type_get(asn_codec_ctx_t *ctx, asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
|
||||
|
||||
return uper_open_type_get_simple(ctx, td, constraints,
|
||||
sptr, pd);
|
||||
|
||||
}
|
||||
|
||||
int
|
||||
uper_open_type_skip(asn_codec_ctx_t *ctx, asn_per_data_t *pd) {
|
||||
asn_TYPE_descriptor_t s_td;
|
||||
asn_dec_rval_t rv;
|
||||
|
||||
s_td.name = "<unknown extension>";
|
||||
s_td.uper_decoder = uper_sot_suck;
|
||||
|
||||
rv = uper_open_type_get(ctx, &s_td, 0, 0, pd);
|
||||
if(rv.code != RC_OK)
|
||||
return -1;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Internal functions.
|
||||
*/
|
||||
|
||||
static asn_dec_rval_t
|
||||
uper_sot_suck(asn_codec_ctx_t *ctx, asn_TYPE_descriptor_t *td,
|
||||
asn_per_constraints_t *constraints, void **sptr, asn_per_data_t *pd) {
|
||||
asn_dec_rval_t rv;
|
||||
|
||||
(void)ctx;
|
||||
(void)td;
|
||||
(void)constraints;
|
||||
(void)sptr;
|
||||
|
||||
while(per_get_few_bits(pd, 24) >= 0);
|
||||
|
||||
rv.code = RC_OK;
|
||||
rv.consumed = pd->moved;
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
static int
|
||||
uper_ugot_refill(asn_per_data_t *pd) {
|
||||
uper_ugot_key *arg = pd->refill_key;
|
||||
ssize_t next_chunk_bytes, next_chunk_bits;
|
||||
ssize_t avail;
|
||||
|
||||
asn_per_data_t *oldpd = &arg->oldpd;
|
||||
|
||||
ASN_DEBUG("REFILLING pd->moved=%d, oldpd->moved=%d",
|
||||
pd->moved, oldpd->moved);
|
||||
|
||||
/* Advance our position to where pd is */
|
||||
oldpd->buffer = pd->buffer;
|
||||
oldpd->nboff = pd->nboff;
|
||||
oldpd->nbits -= pd->moved - arg->ot_moved;
|
||||
oldpd->moved += pd->moved - arg->ot_moved;
|
||||
arg->ot_moved = pd->moved;
|
||||
|
||||
if(arg->unclaimed) {
|
||||
/* Refill the container */
|
||||
if(per_get_few_bits(oldpd, 1))
|
||||
return -1;
|
||||
if(oldpd->nboff == 0) {
|
||||
assert(0);
|
||||
return -1;
|
||||
}
|
||||
pd->buffer = oldpd->buffer;
|
||||
pd->nboff = oldpd->nboff - 1;
|
||||
pd->nbits = oldpd->nbits;
|
||||
ASN_DEBUG("UNCLAIMED <- return from (pd->moved=%d)", pd->moved);
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(!arg->repeat) {
|
||||
ASN_DEBUG("Want more but refill doesn't have it");
|
||||
return -1;
|
||||
}
|
||||
|
||||
next_chunk_bytes = uper_get_length(oldpd, -1, &arg->repeat);
|
||||
ASN_DEBUG("Open type LENGTH %d bytes at off %d, repeat %d",
|
||||
next_chunk_bytes, oldpd->moved, arg->repeat);
|
||||
if(next_chunk_bytes < 0) return -1;
|
||||
if(next_chunk_bytes == 0) {
|
||||
pd->refill = 0; /* No more refills, naturally */
|
||||
assert(!arg->repeat); /* Implementation guarantee */
|
||||
}
|
||||
next_chunk_bits = next_chunk_bytes << 3;
|
||||
avail = oldpd->nbits - oldpd->nboff;
|
||||
if(avail >= next_chunk_bits) {
|
||||
pd->nbits = oldpd->nboff + next_chunk_bits;
|
||||
arg->unclaimed = 0;
|
||||
ASN_DEBUG("!+Parent frame %d bits, alloting %d [%d..%d] (%d)",
|
||||
next_chunk_bits, oldpd->moved,
|
||||
oldpd->nboff, oldpd->nbits,
|
||||
oldpd->nbits - oldpd->nboff);
|
||||
} else {
|
||||
pd->nbits = oldpd->nbits;
|
||||
arg->unclaimed = next_chunk_bits - avail;
|
||||
ASN_DEBUG("!-Parent frame %d, require %d, will claim %d", avail, next_chunk_bits, arg->unclaimed);
|
||||
}
|
||||
pd->buffer = oldpd->buffer;
|
||||
pd->nboff = oldpd->nboff;
|
||||
ASN_DEBUG("Refilled pd%s old%s",
|
||||
per_data_string(pd), per_data_string(oldpd));
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int
|
||||
per_skip_bits(asn_per_data_t *pd, int skip_nbits) {
|
||||
int hasNonZeroBits = 0;
|
||||
while(skip_nbits > 0) {
|
||||
int skip;
|
||||
if(skip_nbits < skip)
|
||||
skip = skip_nbits;
|
||||
else
|
||||
skip = 24;
|
||||
skip_nbits -= skip;
|
||||
|
||||
switch(per_get_few_bits(pd, skip)) {
|
||||
case -1: return -1; /* Starving */
|
||||
case 0: continue; /* Skipped empty space */
|
||||
default: hasNonZeroBits = 1; continue;
|
||||
}
|
||||
}
|
||||
return hasNonZeroBits;
|
||||
}
|
||||
Some files were not shown because too many files have changed in this diff Show More
Reference in New Issue
Block a user