Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | /*- |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 2 | * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved. |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 3 | * Redistribution and modifications are permitted subject to BSD license. |
| 4 | */ |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 5 | #include <asn_internal.h> |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 6 | #include <BMPString.h> |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 7 | #include <UTF8String.h> |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 8 | |
| 9 | /* |
| 10 | * BMPString basic type description. |
| 11 | */ |
Wim Lewis | 18c2ec9 | 2014-07-29 11:30:10 -0700 | [diff] [blame] | 12 | static const ber_tlv_tag_t asn_DEF_BMPString_tags[] = { |
Lev Walkin | 188ed2c | 2004-09-13 08:31:01 +0000 | [diff] [blame] | 13 | (ASN_TAG_CLASS_UNIVERSAL | (30 << 2)), /* [UNIVERSAL 30] IMPLICIT ...*/ |
| 14 | (ASN_TAG_CLASS_UNIVERSAL | (4 << 2)) /* ... OCTET STRING */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 15 | }; |
Bi-Ruei, Chiu | 1fa31c9 | 2016-05-16 13:50:09 +0800 | [diff] [blame] | 16 | asn_OCTET_STRING_specifics_t asn_SPC_BMPString_specs = { |
Lev Walkin | 3a4689a | 2006-11-24 11:20:27 +0000 | [diff] [blame] | 17 | sizeof(BMPString_t), |
| 18 | offsetof(BMPString_t, _asn_ctx), |
| 19 | ASN_OSUBV_U16 /* 16-bits character */ |
| 20 | }; |
Lev Walkin | 7678076 | 2017-07-07 10:07:30 -0700 | [diff] [blame] | 21 | static asn_per_constraints_t asn_DEF_BMPString_per_constraints = { |
Lev Walkin | 3a4689a | 2006-11-24 11:20:27 +0000 | [diff] [blame] | 22 | { APC_CONSTRAINED, 16, 16, 0, 65535 }, |
| 23 | { APC_SEMI_CONSTRAINED, -1, -1, 0, 0 }, |
| 24 | 0, 0 |
| 25 | }; |
Bi-Ruei, Chiu | 1f87ac0 | 2017-08-20 01:25:45 +0800 | [diff] [blame] | 26 | asn_TYPE_operation_t asn_OP_BMPString = { |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 27 | OCTET_STRING_free, /* Implemented in terms of OCTET STRING */ |
| 28 | BMPString_print, |
Lev Walkin | cd2f48e | 2017-08-10 02:14:59 -0700 | [diff] [blame] | 29 | OCTET_STRING_compare, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 30 | asn_generic_no_constraint, /* No constraint by default */ |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 31 | OCTET_STRING_decode_ber, |
| 32 | OCTET_STRING_encode_der, |
| 33 | BMPString_decode_xer, /* Convert from UTF-8 */ |
| 34 | BMPString_encode_xer, /* Convert to UTF-8 */ |
Lev Walkin | cc15947 | 2017-07-06 08:26:36 -0700 | [diff] [blame] | 35 | #ifdef ASN_DISABLE_OER_SUPPORT |
| 36 | 0, |
| 37 | 0, |
| 38 | #else |
Lev Walkin | 1d76f3c | 2017-07-25 07:58:05 -0700 | [diff] [blame] | 39 | OCTET_STRING_decode_oer, |
| 40 | OCTET_STRING_encode_oer, |
Lev Walkin | cc15947 | 2017-07-06 08:26:36 -0700 | [diff] [blame] | 41 | #endif /* ASN_DISABLE_OER_SUPPORT */ |
Lev Walkin | b33425f | 2017-07-14 14:59:52 +0400 | [diff] [blame] | 42 | #ifdef ASN_DISABLE_PER_SUPPORT |
| 43 | 0, |
| 44 | 0, |
| 45 | #else |
| 46 | OCTET_STRING_decode_uper, |
| 47 | OCTET_STRING_encode_uper, |
| 48 | #endif /* ASN_DISABLE_PER_SUPPORT */ |
Bi-Ruei, Chiu | 1f87ac0 | 2017-08-20 01:25:45 +0800 | [diff] [blame] | 49 | 0 /* Use generic outmost tag fetcher */ |
| 50 | }; |
| 51 | asn_TYPE_descriptor_t asn_DEF_BMPString = { |
| 52 | "BMPString", |
| 53 | "BMPString", |
| 54 | &asn_OP_BMPString, |
| 55 | asn_generic_no_constraint, /* No constraint by default */ |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 56 | asn_DEF_BMPString_tags, |
| 57 | sizeof(asn_DEF_BMPString_tags) |
| 58 | / sizeof(asn_DEF_BMPString_tags[0]) - 1, |
| 59 | asn_DEF_BMPString_tags, |
| 60 | sizeof(asn_DEF_BMPString_tags) |
| 61 | / sizeof(asn_DEF_BMPString_tags[0]), |
Lev Walkin | 7678076 | 2017-07-07 10:07:30 -0700 | [diff] [blame] | 62 | 0, /* No OER visible constraints */ |
| 63 | &asn_DEF_BMPString_per_constraints, |
Lev Walkin | 449f832 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 64 | 0, 0, /* No members */ |
Bi-Ruei, Chiu | 419ac3a | 2016-05-14 15:27:19 +0800 | [diff] [blame] | 65 | &asn_SPC_BMPString_specs |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 66 | }; |
| 67 | |
| 68 | /* |
| 69 | * BMPString specific contents printer. |
| 70 | */ |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 71 | static ssize_t |
| 72 | BMPString__dump(const BMPString_t *st, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 73 | asn_app_consume_bytes_f *cb, void *app_key) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 74 | char scratch[128]; /* Scratchpad buffer */ |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 75 | char *p = scratch; |
| 76 | ssize_t wrote = 0; |
| 77 | uint8_t *ch; |
| 78 | uint8_t *end; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 79 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 80 | ch = st->buf; |
| 81 | end = (st->buf + st->size); |
| 82 | for(end--; ch < end; ch += 2) { |
| 83 | uint16_t wc = (ch[0] << 8) | ch[1]; /* 2 bytes */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 84 | if(sizeof(scratch) - (p - scratch) < 3) { |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 85 | wrote += p - scratch; |
| 86 | if(cb(scratch, p - scratch, app_key) < 0) |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 87 | return -1; |
| 88 | p = scratch; |
| 89 | } |
| 90 | if(wc < 0x80) { |
| 91 | *p++ = (char)wc; |
| 92 | } else if(wc < 0x800) { |
| 93 | *p++ = 0xc0 | ((wc >> 6)); |
| 94 | *p++ = 0x80 | ((wc & 0x3f)); |
| 95 | } else { |
| 96 | *p++ = 0xe0 | ((wc >> 12)); |
| 97 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 98 | *p++ = 0x80 | ((wc & 0x3f)); |
| 99 | } |
| 100 | } |
| 101 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 102 | wrote += p - scratch; |
| 103 | if(cb(scratch, p - scratch, app_key) < 0) |
| 104 | return -1; |
| 105 | |
| 106 | return wrote; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 107 | } |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 108 | |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 109 | asn_dec_rval_t |
| 110 | BMPString_decode_xer(asn_codec_ctx_t *opt_codec_ctx, |
| 111 | asn_TYPE_descriptor_t *td, void **sptr, |
Lev Walkin | 8c3b854 | 2005-03-10 18:52:02 +0000 | [diff] [blame] | 112 | const char *opt_mname, const void *buf_ptr, size_t size) { |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 113 | asn_dec_rval_t rc; |
| 114 | |
| 115 | rc = OCTET_STRING_decode_xer_utf8(opt_codec_ctx, td, sptr, opt_mname, |
| 116 | buf_ptr, size); |
| 117 | if(rc.code == RC_OK) { |
| 118 | /* |
| 119 | * Now we have a whole string in UTF-8 format. |
| 120 | * Convert it into UCS-2. |
| 121 | */ |
| 122 | uint32_t *wcs; |
| 123 | size_t wcs_len; |
| 124 | UTF8String_t *st; |
| 125 | |
| 126 | assert(*sptr); |
| 127 | st = (UTF8String_t *)*sptr; |
| 128 | assert(st->buf); |
| 129 | wcs_len = UTF8String_to_wcs(st, 0, 0); |
| 130 | |
| 131 | wcs = (uint32_t *)MALLOC(4 * (wcs_len + 1)); |
| 132 | if(wcs == 0 || UTF8String_to_wcs(st, wcs, wcs_len) != wcs_len) { |
| 133 | rc.code = RC_FAIL; |
| 134 | rc.consumed = 0; |
| 135 | return rc; |
| 136 | } else { |
| 137 | wcs[wcs_len] = 0; /* nul-terminate */ |
| 138 | } |
| 139 | |
| 140 | if(1) { |
| 141 | /* Swap byte order and trim encoding to 2 bytes */ |
| 142 | uint32_t *wc = wcs; |
Lev Walkin | c7549b1 | 2006-09-17 01:27:44 +0000 | [diff] [blame] | 143 | uint32_t *wc_end = wcs + wcs_len; |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 144 | uint16_t *dstwc = (uint16_t *)wcs; |
| 145 | for(; wc < wc_end; wc++, dstwc++) { |
| 146 | uint32_t wch = *wc; |
| 147 | if(wch > 0xffff) { |
| 148 | FREEMEM(wcs); |
| 149 | rc.code = RC_FAIL; |
| 150 | rc.consumed = 0; |
| 151 | return rc; |
| 152 | } |
| 153 | *((uint8_t *)dstwc + 0) = wch >> 8; |
| 154 | *((uint8_t *)dstwc + 1) = wch; |
| 155 | } |
Lev Walkin | 529b39d | 2004-10-23 13:13:19 +0000 | [diff] [blame] | 156 | dstwc = (uint16_t *)REALLOC(wcs, 2 * (wcs_len + 1)); |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 157 | if(!dstwc) { |
| 158 | FREEMEM(wcs); |
| 159 | rc.code = RC_FAIL; |
| 160 | rc.consumed = 0; |
| 161 | return rc; |
| 162 | } else { |
Lev Walkin | 3a4689a | 2006-11-24 11:20:27 +0000 | [diff] [blame] | 163 | dstwc[wcs_len] = 0; /* nul-terminate */ |
Lev Walkin | d2fab92 | 2013-12-07 10:58:10 -0800 | [diff] [blame] | 164 | wcs = (uint32_t *)(void *)dstwc; /* Alignment OK */ |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 165 | } |
| 166 | } |
| 167 | |
| 168 | FREEMEM(st->buf); |
| 169 | st->buf = (uint8_t *)wcs; |
| 170 | st->size = 2 * wcs_len; |
| 171 | } |
| 172 | return rc; |
| 173 | } |
| 174 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 175 | asn_enc_rval_t |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 176 | BMPString_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 177 | int ilevel, enum xer_encoder_flags_e flags, |
| 178 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 179 | const BMPString_t *st = (const BMPString_t *)sptr; |
| 180 | asn_enc_rval_t er; |
| 181 | |
| 182 | (void)ilevel; |
| 183 | (void)flags; |
| 184 | |
| 185 | if(!st || !st->buf) |
Lev Walkin | 7c1dc05 | 2016-03-14 03:08:15 -0700 | [diff] [blame] | 186 | ASN__ENCODE_FAILED; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 187 | |
| 188 | er.encoded = BMPString__dump(st, cb, app_key); |
Lev Walkin | 7c1dc05 | 2016-03-14 03:08:15 -0700 | [diff] [blame] | 189 | if(er.encoded < 0) ASN__ENCODE_FAILED; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 190 | |
Lev Walkin | 7c1dc05 | 2016-03-14 03:08:15 -0700 | [diff] [blame] | 191 | ASN__ENCODED_OK(er); |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 192 | } |
| 193 | |
| 194 | int |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 195 | BMPString_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 196 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 197 | const BMPString_t *st = (const BMPString_t *)sptr; |
| 198 | |
| 199 | (void)td; /* Unused argument */ |
| 200 | (void)ilevel; /* Unused argument */ |
| 201 | |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 202 | if(!st || !st->buf) |
| 203 | return (cb("<absent>", 8, app_key) < 0) ? -1 : 0; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 204 | |
| 205 | if(BMPString__dump(st, cb, app_key) < 0) |
| 206 | return -1; |
| 207 | |
| 208 | return 0; |
| 209 | } |
| 210 | |