mirror of https://gerrit.osmocom.org/asn1c
58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
/*-
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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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#include <IA5String.h>
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/*
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* IA5String basic type description.
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*/
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static ber_tlv_tag_t asn1_DEF_IA5String_tags[] = {
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(ASN_TAG_CLASS_UNIVERSAL | (22 << 2))
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};
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asn1_TYPE_descriptor_t asn1_DEF_IA5String = {
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"IA5String",
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IA5String_constraint, /* Constraint on the alphabet */
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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_print_ascii, /* ASCII subset */
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OCTET_STRING_free,
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0, /* Use generic outmost tag fetcher */
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asn1_DEF_IA5String_tags,
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sizeof(asn1_DEF_IA5String_tags)
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/ sizeof(asn1_DEF_IA5String_tags[0]),
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1, /* Single UNIVERSAL tag may be implicitly overriden */
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-1, /* Both ways are fine */
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};
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int
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IA5String_constraint(asn1_TYPE_descriptor_t *td, const void *sptr,
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asn_app_consume_bytes_f *app_errlog, void *app_key) {
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const IA5String_t *st = sptr;
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if(st && st->buf) {
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uint8_t *buf = st->buf;
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uint8_t *end = buf + st->size;
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/*
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* IA5String is generally equivalent to 7bit ASCII.
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* ISO/ITU-T T.50, 1963.
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*/
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for(; buf < end; buf++) {
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if(*buf > 0x7F) {
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_ASN_ERRLOG("%s: value byte %d out of range: "
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"%d > 127",
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td->name,
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(buf - st->buf) + 1,
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*buf
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);
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return -1;
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}
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}
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} else {
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_ASN_ERRLOG("%s: value not given", td->name);
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return -1;
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}
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return 0;
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}
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