diff options
Diffstat (limited to 'skeletons/VisibleString.c')
| -rw-r--r-- | skeletons/VisibleString.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/skeletons/VisibleString.c b/skeletons/VisibleString.c new file mode 100644 index 00000000..af9525f8 --- /dev/null +++ b/skeletons/VisibleString.c @@ -0,0 +1,81 @@ +/*- + * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved. + * Redistribution and modifications are permitted subject to BSD license. + */ +#include <VisibleString.h> + +/* + * VisibleString basic type description. + */ +static ber_tlv_tag_t asn1_DEF_VisibleString_tags[] = { + (ASN_TAG_CLASS_UNIVERSAL | (26 << 2)) +}; +asn1_TYPE_descriptor_t asn1_DEF_VisibleString = { + "VisibleString", + VisibleString_constraint, + OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */ + OCTET_STRING_encode_der, /* Implemented in terms of OCTET STRING */ + OCTET_STRING_print_ascii, /* ASCII subset */ + OCTET_STRING_free, + 0, /* Use generic outmost tag fetcher */ + asn1_DEF_VisibleString_tags, + sizeof(asn1_DEF_VisibleString_tags) + / sizeof(asn1_DEF_VisibleString_tags[0]), + 1, /* Single UNIVERSAL tag may be implicitly overriden */ + -1, /* Both ways are fine */ +}; + + +/* + * ISO646, ISOReg#6 + */ +static int _VisibleString_alphabet[256] = { +0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, /* ! " # $ % & ' */ +0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, /* ( ) * + , - . / */ +0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, /* 0 1 2 3 4 5 6 7 */ +0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, /* 8 9 : ; < = > ? */ +0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, /* @ A B C D E F G */ +0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, /* H I J K L M N O */ +0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, /* P Q R S T U V W */ +0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* X Y Z [ \ ] ^ _ */ +0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, /* ` a b c d e f g */ +0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, /* h i j k l m n o */ +0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, /* p q r s t u v w */ +0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x00, /* x y z { | } ~ */ +}; + +int +VisibleString_constraint(asn1_TYPE_descriptor_t *td, const void *sptr, + asn_app_consume_bytes_f *app_errlog, void *app_key) { + const VisibleString_t *st = sptr; + + if(st && st->buf) { + uint8_t *buf = st->buf; + uint8_t *end = buf + st->size; + + /* + * Check the alphabet of the VisibleString. + * ISO646, ISOReg#6 + */ + for(; buf < end; buf++) { + if(!_VisibleString_alphabet[*buf]) { + _ASN_ERRLOG("%s: value byte %d " + "not in VisibleString alphabet (%d)", + td->name, + (buf - st->buf) + 1, + *buf + ); + return -1; + } + } + } else { + _ASN_ERRLOG("%s: value not given", td->name); + return -1; + } + + return 0; +} |