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 <UniversalString.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 | * UniversalString basic type description. |
| 11 | */ |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 12 | static ber_tlv_tag_t asn_DEF_UniversalString_tags[] = { |
Lev Walkin | 188ed2c | 2004-09-13 08:31:01 +0000 | [diff] [blame] | 13 | (ASN_TAG_CLASS_UNIVERSAL | (28 << 2)), /* [UNIVERSAL 28] IMPLICIT ...*/ |
| 14 | (ASN_TAG_CLASS_UNIVERSAL | (4 << 2)) /* ... OCTET STRING */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 15 | }; |
Lev Walkin | 3a4689a | 2006-11-24 11:20:27 +0000 | [diff] [blame] | 16 | static asn_OCTET_STRING_specifics_t asn_DEF_UniversalString_specs = { |
| 17 | sizeof(UniversalString_t), |
| 18 | offsetof(UniversalString_t, _asn_ctx), |
| 19 | ASN_OSUBV_U32 /* 32-bits character */ |
| 20 | }; |
| 21 | static asn_per_constraints_t asn_DEF_UniversalString_constraints = { |
| 22 | { APC_CONSTRAINED, 32, 32, 0, 2147483647 }, |
| 23 | { APC_SEMI_CONSTRAINED, -1, -1, 0, 0 }, |
| 24 | 0, 0 |
| 25 | }; |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 26 | asn_TYPE_descriptor_t asn_DEF_UniversalString = { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 27 | "UniversalString", |
Lev Walkin | dc06f6b | 2004-10-20 15:50:55 +0000 | [diff] [blame] | 28 | "UniversalString", |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 29 | OCTET_STRING_free, |
| 30 | UniversalString_print, /* Convert into UTF8 and print */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 31 | asn_generic_no_constraint, |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 32 | OCTET_STRING_decode_ber, |
| 33 | OCTET_STRING_encode_der, |
| 34 | UniversalString_decode_xer, /* Convert from UTF-8 */ |
| 35 | UniversalString_encode_xer, /* Convert into UTF-8 */ |
Lev Walkin | 3a4689a | 2006-11-24 11:20:27 +0000 | [diff] [blame] | 36 | OCTET_STRING_decode_uper, |
| 37 | OCTET_STRING_encode_uper, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 38 | 0, /* Use generic outmost tag fetcher */ |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 39 | asn_DEF_UniversalString_tags, |
| 40 | sizeof(asn_DEF_UniversalString_tags) |
| 41 | / sizeof(asn_DEF_UniversalString_tags[0]) - 1, |
| 42 | asn_DEF_UniversalString_tags, |
| 43 | sizeof(asn_DEF_UniversalString_tags) |
| 44 | / sizeof(asn_DEF_UniversalString_tags[0]), |
Lev Walkin | 3a4689a | 2006-11-24 11:20:27 +0000 | [diff] [blame] | 45 | &asn_DEF_UniversalString_constraints, |
Lev Walkin | 449f832 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 46 | 0, 0, /* No members */ |
Lev Walkin | 3a4689a | 2006-11-24 11:20:27 +0000 | [diff] [blame] | 47 | &asn_DEF_UniversalString_specs |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 48 | }; |
| 49 | |
| 50 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 51 | static ssize_t |
| 52 | UniversalString__dump(const UniversalString_t *st, |
| 53 | asn_app_consume_bytes_f *cb, void *app_key) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 54 | char scratch[128]; /* Scratchpad buffer */ |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 55 | char *p = scratch; |
| 56 | ssize_t wrote = 0; |
| 57 | uint8_t *ch; |
| 58 | uint8_t *end; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 59 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 60 | ch = st->buf; |
| 61 | end = (st->buf + st->size); |
| 62 | for(end -= 3; ch < end; ch += 4) { |
| 63 | uint32_t wc = (ch[0] << 24) |
| 64 | | (ch[1] << 16) |
| 65 | | (ch[2] << 8) |
| 66 | | ch[3]; /* 4 bytes */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 67 | if(sizeof(scratch) - (p - scratch) < 6) { |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 68 | wrote += p - scratch; |
| 69 | if(cb(scratch, p - scratch, app_key) < 0) |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 70 | return -1; |
| 71 | p = scratch; |
| 72 | } |
| 73 | if(wc < 0x80) { |
| 74 | *p++ = (char)wc; |
| 75 | } else if(wc < 0x800) { |
| 76 | *p++ = 0xc0 | ((wc >> 6)); |
| 77 | *p++ = 0x80 | ((wc & 0x3f)); |
| 78 | } else if(wc < 0x10000) { |
| 79 | *p++ = 0xe0 | ((wc >> 12)); |
| 80 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 81 | *p++ = 0x80 | ((wc & 0x3f)); |
| 82 | } else if(wc < 0x200000) { |
| 83 | *p++ = 0xf0 | ((wc >> 18)); |
| 84 | *p++ = 0x80 | ((wc >> 12) & 0x3f); |
| 85 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 86 | *p++ = 0x80 | ((wc & 0x3f)); |
| 87 | } else if(wc < 0x4000000) { |
| 88 | *p++ = 0xf8 | ((wc >> 24)); |
| 89 | *p++ = 0x80 | ((wc >> 18) & 0x3f); |
| 90 | *p++ = 0x80 | ((wc >> 12) & 0x3f); |
| 91 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 92 | *p++ = 0x80 | ((wc & 0x3f)); |
| 93 | } else { |
| 94 | *p++ = 0xfc | ((wc >> 30) & 0x1); |
| 95 | *p++ = 0x80 | ((wc >> 24) & 0x3f); |
| 96 | *p++ = 0x80 | ((wc >> 18) & 0x3f); |
| 97 | *p++ = 0x80 | ((wc >> 12) & 0x3f); |
| 98 | *p++ = 0x80 | ((wc >> 6) & 0x3f); |
| 99 | *p++ = 0x80 | ((wc & 0x3f)); |
| 100 | } |
| 101 | } |
| 102 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 103 | wrote += p - scratch; |
| 104 | if(cb(scratch, p - scratch, app_key) < 0) |
| 105 | return -1; |
| 106 | |
| 107 | return wrote; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 108 | } |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 109 | |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 110 | asn_dec_rval_t |
| 111 | UniversalString_decode_xer(asn_codec_ctx_t *opt_codec_ctx, |
| 112 | asn_TYPE_descriptor_t *td, void **sptr, |
Lev Walkin | 8c3b854 | 2005-03-10 18:52:02 +0000 | [diff] [blame] | 113 | const char *opt_mname, const void *buf_ptr, size_t size) { |
Lev Walkin | 9a6f65b | 2004-10-23 11:20:06 +0000 | [diff] [blame] | 114 | asn_dec_rval_t rc; |
| 115 | |
| 116 | rc = OCTET_STRING_decode_xer_utf8(opt_codec_ctx, td, sptr, opt_mname, |
| 117 | buf_ptr, size); |
| 118 | if(rc.code == RC_OK) { |
| 119 | /* |
| 120 | * Now we have a whole string in UTF-8 format. |
| 121 | * Convert it into UCS-4. |
| 122 | */ |
| 123 | uint32_t *wcs; |
| 124 | size_t wcs_len; |
| 125 | UTF8String_t *st; |
| 126 | #ifndef WORDS_BIGENDIAN |
| 127 | int little_endian = 1; |
| 128 | #endif |
| 129 | |
| 130 | assert(*sptr); |
| 131 | st = (UTF8String_t *)*sptr; |
| 132 | assert(st->buf); |
| 133 | wcs_len = UTF8String_to_wcs(st, 0, 0); |
| 134 | |
| 135 | wcs = (uint32_t *)MALLOC(4 * (wcs_len + 1)); |
| 136 | if(wcs == 0 || UTF8String_to_wcs(st, wcs, wcs_len) != wcs_len) { |
| 137 | rc.code = RC_FAIL; |
| 138 | rc.consumed = 0; |
| 139 | return rc; |
| 140 | } else { |
| 141 | wcs[wcs_len] = 0; /* nul-terminate */ |
| 142 | } |
| 143 | |
| 144 | #ifndef WORDS_BIGENDIAN |
| 145 | if(*(char *)&little_endian) { |
| 146 | /* Swap byte order in encoding */ |
| 147 | uint32_t *wc = wcs; |
| 148 | uint32_t *wc_end = wcs + wcs_len; |
| 149 | for(; wc < wc_end; wc++) { |
| 150 | /* *wc = htonl(*wc); */ |
| 151 | uint32_t wch = *wc; |
| 152 | *((uint8_t *)wc + 0) = wch >> 24; |
| 153 | *((uint8_t *)wc + 1) = wch >> 16; |
| 154 | *((uint8_t *)wc + 2) = wch >> 8; |
| 155 | *((uint8_t *)wc + 3) = wch; |
| 156 | } |
| 157 | } |
| 158 | #endif /* WORDS_BIGENDIAN */ |
| 159 | |
| 160 | FREEMEM(st->buf); |
| 161 | st->buf = (uint8_t *)wcs; |
| 162 | st->size = 4 * wcs_len; |
| 163 | } |
| 164 | return rc; |
| 165 | } |
| 166 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 167 | asn_enc_rval_t |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 168 | UniversalString_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 169 | int ilevel, enum xer_encoder_flags_e flags, |
| 170 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 171 | const UniversalString_t *st = (const UniversalString_t *)sptr; |
| 172 | asn_enc_rval_t er; |
| 173 | |
| 174 | (void)ilevel; |
| 175 | (void)flags; |
| 176 | |
| 177 | if(!st || !st->buf) |
| 178 | _ASN_ENCODE_FAILED; |
| 179 | |
| 180 | er.encoded = UniversalString__dump(st, cb, app_key); |
| 181 | if(er.encoded < 0) _ASN_ENCODE_FAILED; |
| 182 | |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 183 | _ASN_ENCODED_OK(er); |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 184 | } |
| 185 | |
| 186 | int |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 187 | UniversalString_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 188 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 189 | const UniversalString_t *st = (const UniversalString_t *)sptr; |
| 190 | |
| 191 | (void)td; /* Unused argument */ |
| 192 | (void)ilevel; /* Unused argument */ |
| 193 | |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 194 | if(!st || !st->buf) return (cb("<absent>", 8, app_key) < 0) ? -1 : 0; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 195 | |
| 196 | if(UniversalString__dump(st, cb, app_key) < 0) |
| 197 | return -1; |
| 198 | |
| 199 | return 0; |
| 200 | } |
| 201 | |