IA5String.c

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/*-
 * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved.
 * Redistribution and modifications are permitted subject to BSD license.
 */
#include <asn_internal.h>
#include <IA5String.h>

/*
 * IA5String basic type description.
 */
static ber_tlv_tag_t asn_DEF_IA5String_tags[] = {
    (ASN_TAG_CLASS_UNIVERSAL | (22 << 2)),  /* [UNIVERSAL 22] IMPLICIT ...*/
    (ASN_TAG_CLASS_UNIVERSAL | (4 << 2))    /* ... OCTET STRING */
};
static asn_per_constraints_t asn_DEF_IA5String_constraints = {
    { APC_CONSTRAINED, 7, 7, 0, 0x7f }, /* Value */
    { APC_SEMI_CONSTRAINED, -1, -1, 0, 0 }, /* Size */
    0, 0
};
asn_TYPE_descriptor_t asn_DEF_IA5String = {
    "IA5String",
    "IA5String",
    OCTET_STRING_free,
    OCTET_STRING_print_utf8,    /* ASCII subset */
    IA5String_constraint,       /* Constraint on the alphabet */
    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_IA5String_tags,
    sizeof(asn_DEF_IA5String_tags)
      / sizeof(asn_DEF_IA5String_tags[0]) - 1,
    asn_DEF_IA5String_tags,
    sizeof(asn_DEF_IA5String_tags)
      / sizeof(asn_DEF_IA5String_tags[0]),
    &asn_DEF_IA5String_constraints,
    0, 0,   /* No members */
    0   /* No specifics */
};

int
IA5String_constraint(asn_TYPE_descriptor_t *td, const void *sptr,
        asn_app_constraint_failed_f *ctfailcb, void *app_key) {
    const IA5String_t *st = (const IA5String_t *)sptr;

    if(st && st->buf) {
        uint8_t *buf = st->buf;
        uint8_t *end = buf + st->size;
        /*
         * IA5String is generally equivalent to 7bit ASCII.
         * ISO/ITU-T T.50, 1963.
         */
        for(; buf < end; buf++) {
            if(*buf > 0x7F) {
                _ASN_CTFAIL(app_key, td, sptr,
                    "%s: value byte %ld out of range: "
                    "%d > 127 (%s:%d)",
                    td->name,
                    (long)((buf - st->buf) + 1),
                    *buf,
                    __FILE__, __LINE__);
                return -1;
            }
        }
    } else {
        _ASN_CTFAIL(app_key, td, sptr,
            "%s: value not given (%s:%d)",
            td->name, __FILE__, __LINE__);
        return -1;
    }

    return 0;
}