| Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame^] | 1 | /*- |
| 2 | * Copyright (c) 2003 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| 3 | * Redistribution and modifications are permitted subject to BSD license. |
| 4 | */ |
| 5 | #include <VisibleString.h> |
| 6 | |
| 7 | /* |
| 8 | * VisibleString basic type description. |
| 9 | */ |
| 10 | static ber_tlv_tag_t asn1_DEF_VisibleString_tags[] = { |
| 11 | (ASN_TAG_CLASS_UNIVERSAL | (26 << 2)) |
| 12 | }; |
| 13 | asn1_TYPE_descriptor_t asn1_DEF_VisibleString = { |
| 14 | "VisibleString", |
| 15 | VisibleString_constraint, |
| 16 | OCTET_STRING_decode_ber, /* Implemented in terms of OCTET STRING */ |
| 17 | OCTET_STRING_encode_der, /* Implemented in terms of OCTET STRING */ |
| 18 | OCTET_STRING_print_ascii, /* ASCII subset */ |
| 19 | OCTET_STRING_free, |
| 20 | 0, /* Use generic outmost tag fetcher */ |
| 21 | asn1_DEF_VisibleString_tags, |
| 22 | sizeof(asn1_DEF_VisibleString_tags) |
| 23 | / sizeof(asn1_DEF_VisibleString_tags[0]), |
| 24 | 1, /* Single UNIVERSAL tag may be implicitly overriden */ |
| 25 | -1, /* Both ways are fine */ |
| 26 | }; |
| 27 | |
| 28 | |
| 29 | /* |
| 30 | * ISO646, ISOReg#6 |
| 31 | */ |
| 32 | static int _VisibleString_alphabet[256] = { |
| 33 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 34 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 35 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 36 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 37 | 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, /* ! " # $ % & ' */ |
| 38 | 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, /* ( ) * + , - . / */ |
| 39 | 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, /* 0 1 2 3 4 5 6 7 */ |
| 40 | 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, /* 8 9 : ; < = > ? */ |
| 41 | 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, /* @ A B C D E F G */ |
| 42 | 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, /* H I J K L M N O */ |
| 43 | 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, /* P Q R S T U V W */ |
| 44 | 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, /* X Y Z [ \ ] ^ _ */ |
| 45 | 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, /* ` a b c d e f g */ |
| 46 | 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, /* h i j k l m n o */ |
| 47 | 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, /* p q r s t u v w */ |
| 48 | 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x00, /* x y z { | } ~ */ |
| 49 | }; |
| 50 | |
| 51 | int |
| 52 | VisibleString_constraint(asn1_TYPE_descriptor_t *td, const void *sptr, |
| 53 | asn_app_consume_bytes_f *app_errlog, void *app_key) { |
| 54 | const VisibleString_t *st = sptr; |
| 55 | |
| 56 | if(st && st->buf) { |
| 57 | uint8_t *buf = st->buf; |
| 58 | uint8_t *end = buf + st->size; |
| 59 | |
| 60 | /* |
| 61 | * Check the alphabet of the VisibleString. |
| 62 | * ISO646, ISOReg#6 |
| 63 | */ |
| 64 | for(; buf < end; buf++) { |
| 65 | if(!_VisibleString_alphabet[*buf]) { |
| 66 | _ASN_ERRLOG("%s: value byte %d " |
| 67 | "not in VisibleString alphabet (%d)", |
| 68 | td->name, |
| 69 | (buf - st->buf) + 1, |
| 70 | *buf |
| 71 | ); |
| 72 | return -1; |
| 73 | } |
| 74 | } |
| 75 | } else { |
| 76 | _ASN_ERRLOG("%s: value not given", td->name); |
| 77 | return -1; |
| 78 | } |
| 79 | |
| 80 | return 0; |
| 81 | } |