Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | /*- |
| 2 | * Copyright (c) 2003, 2004 Lev Walkin <vlm@lionet.info>. All rights reserved. |
| 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 | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 6 | #include <INTEGER.h> |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 7 | #include <OBJECT_IDENTIFIER.h> |
Lev Walkin | 725883b | 2006-10-09 12:07:58 +0000 | [diff] [blame] | 8 | #include <OCTET_STRING.h> |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 9 | #include <limits.h> /* for CHAR_BIT */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 10 | #include <errno.h> |
| 11 | |
| 12 | /* |
| 13 | * OBJECT IDENTIFIER basic type description. |
| 14 | */ |
Wim Lewis | 18c2ec9 | 2014-07-29 11:30:10 -0700 | [diff] [blame] | 15 | static const ber_tlv_tag_t asn_DEF_OBJECT_IDENTIFIER_tags[] = { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 16 | (ASN_TAG_CLASS_UNIVERSAL | (6 << 2)) |
| 17 | }; |
Bi-Ruei, Chiu | 1f87ac0 | 2017-08-20 01:25:45 +0800 | [diff] [blame] | 18 | asn_TYPE_operation_t asn_OP_OBJECT_IDENTIFIER = { |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 19 | ASN__PRIMITIVE_TYPE_free, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 20 | OBJECT_IDENTIFIER_print, |
Lev Walkin | cd2f48e | 2017-08-10 02:14:59 -0700 | [diff] [blame] | 21 | OCTET_STRING_compare, /* Implemented in terms of a string comparison */ |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 22 | ber_decode_primitive, |
| 23 | der_encode_primitive, |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 24 | OBJECT_IDENTIFIER_decode_xer, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 25 | OBJECT_IDENTIFIER_encode_xer, |
Lev Walkin | cc15947 | 2017-07-06 08:26:36 -0700 | [diff] [blame] | 26 | #ifdef ASN_DISABLE_OER_SUPPORT |
| 27 | 0, |
| 28 | 0, |
| 29 | #else |
Lev Walkin | b5b524b | 2017-10-13 03:14:03 -0700 | [diff] [blame] | 30 | OBJECT_IDENTIFIER_decode_oer, |
| 31 | OBJECT_IDENTIFIER_encode_oer, |
Lev Walkin | cc15947 | 2017-07-06 08:26:36 -0700 | [diff] [blame] | 32 | #endif /* ASN_DISABLE_OER_SUPPORT */ |
Lev Walkin | b33425f | 2017-07-14 14:59:52 +0400 | [diff] [blame] | 33 | #ifdef ASN_DISABLE_PER_SUPPORT |
| 34 | 0, |
| 35 | 0, |
| 36 | #else |
| 37 | OCTET_STRING_decode_uper, |
| 38 | OCTET_STRING_encode_uper, |
| 39 | #endif /* ASN_DISABLE_PER_SUPPORT */ |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 40 | OBJECT_IDENTIFIER_random_fill, |
Bi-Ruei, Chiu | 1f87ac0 | 2017-08-20 01:25:45 +0800 | [diff] [blame] | 41 | 0 /* Use generic outmost tag fetcher */ |
| 42 | }; |
| 43 | asn_TYPE_descriptor_t asn_DEF_OBJECT_IDENTIFIER = { |
| 44 | "OBJECT IDENTIFIER", |
| 45 | "OBJECT_IDENTIFIER", |
| 46 | &asn_OP_OBJECT_IDENTIFIER, |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 47 | asn_DEF_OBJECT_IDENTIFIER_tags, |
| 48 | sizeof(asn_DEF_OBJECT_IDENTIFIER_tags) |
| 49 | / sizeof(asn_DEF_OBJECT_IDENTIFIER_tags[0]), |
| 50 | asn_DEF_OBJECT_IDENTIFIER_tags, /* Same as above */ |
| 51 | sizeof(asn_DEF_OBJECT_IDENTIFIER_tags) |
| 52 | / sizeof(asn_DEF_OBJECT_IDENTIFIER_tags[0]), |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 53 | { 0, 0, OBJECT_IDENTIFIER_constraint }, |
Lev Walkin | 449f832 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 54 | 0, 0, /* No members */ |
Lev Walkin | d9bd775 | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 55 | 0 /* No specifics */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 56 | }; |
| 57 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 58 | int |
Lev Walkin | 20696a4 | 2017-10-17 21:27:33 -0700 | [diff] [blame] | 59 | OBJECT_IDENTIFIER_constraint(const asn_TYPE_descriptor_t *td, const void *sptr, |
| 60 | asn_app_constraint_failed_f *ctfailcb, |
| 61 | void *app_key) { |
| 62 | const OBJECT_IDENTIFIER_t *st = (const OBJECT_IDENTIFIER_t *)sptr; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 63 | |
| 64 | if(st && st->buf) { |
| 65 | if(st->size < 1) { |
Lev Walkin | 7c1dc05 | 2016-03-14 03:08:15 -0700 | [diff] [blame] | 66 | ASN__CTFAIL(app_key, td, sptr, |
Lev Walkin | 16835b6 | 2004-08-22 13:47:59 +0000 | [diff] [blame] | 67 | "%s: at least one numerical value " |
| 68 | "expected (%s:%d)", |
| 69 | td->name, __FILE__, __LINE__); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 70 | return -1; |
| 71 | } |
| 72 | } else { |
Lev Walkin | 7c1dc05 | 2016-03-14 03:08:15 -0700 | [diff] [blame] | 73 | ASN__CTFAIL(app_key, td, sptr, |
Lev Walkin | 16835b6 | 2004-08-22 13:47:59 +0000 | [diff] [blame] | 74 | "%s: value not given (%s:%d)", |
| 75 | td->name, __FILE__, __LINE__); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 76 | return -1; |
| 77 | } |
| 78 | |
| 79 | return 0; |
| 80 | } |
| 81 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 82 | static ssize_t |
| 83 | OBJECT_IDENTIFIER_get_first_arcs(const uint8_t *arcbuf, size_t arcbuf_len, |
| 84 | asn_oid_arc_t *arc0, asn_oid_arc_t *arc1) { |
| 85 | asn_oid_arc_t value; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 86 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 87 | ssize_t rd = OBJECT_IDENTIFIER_get_single_arc(arcbuf, arcbuf_len, &value); |
| 88 | if(rd <= 0) return rd; |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 89 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 90 | if(value >= 80) { |
| 91 | *arc0 = 2; |
| 92 | *arc1 = value - 80; |
| 93 | } else if(value >= 40) { |
| 94 | *arc0 = 1; |
| 95 | *arc1 = value - 40; |
| 96 | } else { |
| 97 | *arc0 = 0; |
| 98 | *arc1 = value; |
| 99 | } |
Lev Walkin | 0995f35 | 2017-09-17 23:16:38 -0700 | [diff] [blame] | 100 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 101 | return rd; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 102 | } |
| 103 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 104 | ssize_t |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 105 | OBJECT_IDENTIFIER_get_single_arc(const uint8_t *arcbuf, size_t arcbuf_len, |
| 106 | asn_oid_arc_t *ret_value) { |
| 107 | const uint8_t *b = arcbuf; |
| 108 | const uint8_t *arcend = arcbuf + arcbuf_len; /* End of arc */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 109 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 110 | if(arcbuf == arcend) { |
| 111 | return 0; |
| 112 | } else { |
| 113 | asn_oid_arc_t accum; |
| 114 | /* Gather all bits into the accumulator */ |
| 115 | for(accum = 0; b < arcend; b++) { |
| 116 | accum = (accum << 7) | (*b & ~0x80); |
| 117 | if((*b & 0x80) == 0) { |
| 118 | if(accum <= ASN_OID_ARC_MAX) { |
| 119 | *ret_value = accum; |
| 120 | return 1 + (b - arcbuf); |
| 121 | } else { |
| 122 | errno = ERANGE; /* Overflow */ |
| 123 | return -1; |
| 124 | } |
| 125 | } |
| 126 | } |
| 127 | errno = EINVAL; |
| 128 | return -1; |
| 129 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 130 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | static ssize_t |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 134 | OBJECT_IDENTIFIER__dump_body(const OBJECT_IDENTIFIER_t *st, |
| 135 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 136 | char scratch[32]; |
| 137 | asn_oid_arc_t arc0, arc1; |
| 138 | size_t produced = 0; |
| 139 | size_t off = 0; |
| 140 | ssize_t rd; |
| 141 | int ret; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 142 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 143 | rd = OBJECT_IDENTIFIER_get_first_arcs(st->buf, st->size, &arc0, &arc1); |
| 144 | if(rd <= 0) { |
| 145 | return -1; |
| 146 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 147 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 148 | ret = snprintf(scratch, sizeof(scratch), "%"PRIu32".%"PRIu32, arc0, arc1); |
| 149 | if(ret >= (ssize_t)sizeof(scratch)) { |
| 150 | return -1; |
| 151 | } |
| 152 | produced += ret; |
| 153 | if(cb(scratch, ret, app_key) < 0) |
| 154 | return -1; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 155 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 156 | for(off = rd; ; ) { |
| 157 | asn_oid_arc_t arc; |
| 158 | rd = OBJECT_IDENTIFIER_get_single_arc(st->buf + off, st->size - off, |
| 159 | &arc); |
| 160 | if(rd < 0) { |
| 161 | return -1; |
| 162 | } else if(rd == 0) { |
| 163 | /* No more arcs. */ |
| 164 | break; |
| 165 | } else { |
| 166 | off += rd; |
| 167 | assert(off <= st->size); |
| 168 | ret = snprintf(scratch, sizeof(scratch), ".%" PRIu32, arc); |
| 169 | if(ret >= (ssize_t)sizeof(scratch)) { |
| 170 | return -1; |
| 171 | } |
| 172 | produced += ret; |
| 173 | if(cb(scratch, ret, app_key) < 0) return -1; |
| 174 | } |
| 175 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 176 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 177 | if(off != st->size) { |
| 178 | ASN_DEBUG("Could not scan to the end of Object Identifier"); |
| 179 | return -1; |
| 180 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 181 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 182 | return produced; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 183 | } |
| 184 | |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 185 | static enum xer_pbd_rval |
Lev Walkin | 20696a4 | 2017-10-17 21:27:33 -0700 | [diff] [blame] | 186 | OBJECT_IDENTIFIER__xer_body_decode(const asn_TYPE_descriptor_t *td, void *sptr, |
| 187 | const void *chunk_buf, size_t chunk_size) { |
| 188 | OBJECT_IDENTIFIER_t *st = (OBJECT_IDENTIFIER_t *)sptr; |
Lev Walkin | 2c34aad | 2005-03-10 11:50:24 +0000 | [diff] [blame] | 189 | const char *chunk_end = (const char *)chunk_buf + chunk_size; |
| 190 | const char *endptr; |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 191 | asn_oid_arc_t s_arcs[10]; |
| 192 | asn_oid_arc_t *arcs = s_arcs; |
| 193 | ssize_t num_arcs; |
| 194 | ssize_t ret; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 195 | |
Lev Walkin | e0b56e0 | 2005-02-25 12:10:27 +0000 | [diff] [blame] | 196 | (void)td; |
| 197 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 198 | num_arcs = OBJECT_IDENTIFIER_parse_arcs( |
| 199 | (const char *)chunk_buf, chunk_size, arcs, |
| 200 | sizeof(s_arcs) / sizeof(s_arcs[0]), &endptr); |
| 201 | if(num_arcs < 0) { |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 202 | /* Expecting more than zero arcs */ |
| 203 | return XPBD_BROKEN_ENCODING; |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 204 | } else if(num_arcs == 0) { |
Lev Walkin | aed43c8 | 2012-09-04 14:56:27 -0700 | [diff] [blame] | 205 | return XPBD_NOT_BODY_IGNORE; |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 206 | } |
Lev Walkin | aed43c8 | 2012-09-04 14:56:27 -0700 | [diff] [blame] | 207 | assert(endptr == chunk_end); |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 208 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 209 | if((size_t)num_arcs > sizeof(s_arcs)/sizeof(s_arcs[0])) { |
| 210 | arcs = (asn_oid_arc_t *)MALLOC(num_arcs * sizeof(asn_oid_arc_t)); |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 211 | if(!arcs) return XPBD_SYSTEM_FAILURE; |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 212 | ret = OBJECT_IDENTIFIER_parse_arcs((const char *)chunk_buf, chunk_size, |
| 213 | arcs, num_arcs, &endptr); |
| 214 | if(ret != num_arcs) |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 215 | return XPBD_SYSTEM_FAILURE; /* assert?.. */ |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 216 | } |
| 217 | |
| 218 | /* |
| 219 | * Convert arcs into BER representation. |
| 220 | */ |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 221 | ret = OBJECT_IDENTIFIER_set_arcs(st, arcs, num_arcs); |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 222 | if(arcs != s_arcs) FREEMEM(arcs); |
| 223 | |
Lev Walkin | 2c34aad | 2005-03-10 11:50:24 +0000 | [diff] [blame] | 224 | return ret ? XPBD_SYSTEM_FAILURE : XPBD_BODY_CONSUMED; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | asn_dec_rval_t |
Lev Walkin | afbf2a9 | 2017-09-12 23:30:27 -0700 | [diff] [blame] | 228 | OBJECT_IDENTIFIER_decode_xer(const asn_codec_ctx_t *opt_codec_ctx, |
Lev Walkin | 20696a4 | 2017-10-17 21:27:33 -0700 | [diff] [blame] | 229 | const asn_TYPE_descriptor_t *td, void **sptr, |
| 230 | const char *opt_mname, const void *buf_ptr, |
| 231 | size_t size) { |
| 232 | return xer_decode_primitive(opt_codec_ctx, td, |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 233 | sptr, sizeof(OBJECT_IDENTIFIER_t), opt_mname, |
| 234 | buf_ptr, size, OBJECT_IDENTIFIER__xer_body_decode); |
| 235 | } |
| 236 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 237 | asn_enc_rval_t |
Lev Walkin | 20696a4 | 2017-10-17 21:27:33 -0700 | [diff] [blame] | 238 | OBJECT_IDENTIFIER_encode_xer(const asn_TYPE_descriptor_t *td, const void *sptr, |
| 239 | int ilevel, enum xer_encoder_flags_e flags, |
| 240 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 241 | const OBJECT_IDENTIFIER_t *st = (const OBJECT_IDENTIFIER_t *)sptr; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 242 | asn_enc_rval_t er; |
| 243 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 244 | (void)ilevel; |
| 245 | (void)flags; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 246 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 247 | if(!st || !st->buf) { |
| 248 | ASN__ENCODE_FAILED; |
| 249 | } |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 250 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 251 | er.encoded = OBJECT_IDENTIFIER__dump_body(st, cb, app_key); |
| 252 | if(er.encoded < 0) ASN__ENCODE_FAILED; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 253 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 254 | ASN__ENCODED_OK(er); |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 255 | } |
| 256 | |
| 257 | int |
Lev Walkin | 20696a4 | 2017-10-17 21:27:33 -0700 | [diff] [blame] | 258 | OBJECT_IDENTIFIER_print(const asn_TYPE_descriptor_t *td, const void *sptr, |
| 259 | int ilevel, asn_app_consume_bytes_f *cb, |
| 260 | void *app_key) { |
| 261 | const OBJECT_IDENTIFIER_t *st = (const OBJECT_IDENTIFIER_t *)sptr; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 262 | |
| 263 | (void)td; /* Unused argument */ |
| 264 | (void)ilevel; /* Unused argument */ |
| 265 | |
| 266 | if(!st || !st->buf) |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 267 | return (cb("<absent>", 8, app_key) < 0) ? -1 : 0; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 268 | |
| 269 | /* Dump preamble */ |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 270 | if(cb("{ ", 2, app_key) < 0) |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 271 | return -1; |
| 272 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 273 | if(OBJECT_IDENTIFIER__dump_body(st, cb, app_key) < 0) { |
| 274 | return -1; |
| 275 | } |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 276 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 277 | return (cb(" }", 2, app_key) < 0) ? -1 : 0; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 278 | } |
| 279 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 280 | ssize_t |
| 281 | OBJECT_IDENTIFIER_get_arcs(const OBJECT_IDENTIFIER_t *st, asn_oid_arc_t *arcs, |
| 282 | size_t arc_slots) { |
| 283 | asn_oid_arc_t arc0, arc1; |
| 284 | size_t num_arcs = 0; |
| 285 | size_t off; |
| 286 | ssize_t rd; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 287 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 288 | if(!st || !st->buf) { |
| 289 | errno = EINVAL; |
| 290 | return -1; |
| 291 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 292 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 293 | rd = OBJECT_IDENTIFIER_get_first_arcs(st->buf, st->size, &arc0, &arc1); |
| 294 | if(rd <= 0) { |
| 295 | return -1; |
| 296 | } |
| 297 | num_arcs = 2; |
| 298 | switch(arc_slots) { |
| 299 | default: |
| 300 | case 2: |
| 301 | arcs[1] = arc1; |
| 302 | /* Fall through */ |
| 303 | case 1: |
| 304 | arcs[0] = arc0; |
| 305 | /* Fall through */ |
| 306 | case 0: |
| 307 | break; |
| 308 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 309 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 310 | for(off = rd; ; ) { |
| 311 | asn_oid_arc_t arc; |
| 312 | rd = OBJECT_IDENTIFIER_get_single_arc(st->buf + off, st->size - off, |
| 313 | &arc); |
| 314 | if(rd < 0) { |
| 315 | return -1; |
| 316 | } else if(rd == 0) { |
| 317 | /* No more arcs. */ |
| 318 | break; |
| 319 | } else { |
| 320 | off += rd; |
| 321 | if(num_arcs < arc_slots) { |
| 322 | arcs[num_arcs] = arc; |
| 323 | } |
| 324 | num_arcs++; |
| 325 | } |
| 326 | } |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 327 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 328 | if(off != st->size) { |
| 329 | return -1; |
| 330 | } |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 331 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 332 | return num_arcs; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 333 | } |
| 334 | |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 335 | |
| 336 | /* |
| 337 | * Save the single value as an object identifier arc. |
| 338 | */ |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 339 | ssize_t |
| 340 | OBJECT_IDENTIFIER_set_single_arc(uint8_t *arcbuf, size_t arcbuf_len, |
| 341 | asn_oid_arc_t value) { |
| 342 | /* |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 343 | * The following conditions must hold: |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 344 | * assert(arcbuf); |
| 345 | */ |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 346 | uint8_t scratch[((sizeof(value) * CHAR_BIT + 6) / 7)]; |
| 347 | uint8_t *scratch_end = &scratch[sizeof(scratch)-1]; |
| 348 | uint8_t *b; |
| 349 | size_t result_len; |
| 350 | uint8_t mask; |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 351 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 352 | for(b = scratch_end, mask = 0; ; mask = 0x80, b--) { |
| 353 | *b = mask | (value & 0x7f); |
| 354 | value >>= 7; |
| 355 | if(!value) { |
| 356 | break; |
| 357 | } |
| 358 | } |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 359 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 360 | result_len = (scratch_end - b) + 1; |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 361 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 362 | if(result_len > arcbuf_len) { |
| 363 | return -1; |
| 364 | } |
| 365 | |
| 366 | memcpy(arcbuf, b, result_len); |
| 367 | |
| 368 | return result_len; |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 369 | } |
| 370 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 371 | int |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 372 | OBJECT_IDENTIFIER_set_arcs(OBJECT_IDENTIFIER_t *st, const asn_oid_arc_t *arcs, |
| 373 | size_t arc_slots) { |
| 374 | uint8_t *buf; |
| 375 | uint8_t *bp; |
Lev Walkin | 2d824a6 | 2017-10-14 02:58:46 -0700 | [diff] [blame] | 376 | ssize_t wrote; |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 377 | asn_oid_arc_t arc0; |
| 378 | asn_oid_arc_t arc1; |
| 379 | size_t size; |
| 380 | size_t i; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 381 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 382 | if(!st || !arcs || arc_slots < 2) { |
| 383 | errno = EINVAL; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 384 | return -1; |
| 385 | } |
| 386 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 387 | arc0 = arcs[0]; |
| 388 | arc1 = arcs[1]; |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 389 | |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 390 | if(arc0 <= 1) { |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 391 | if(arc1 >= 40) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 392 | /* 8.19.4: At most 39 subsequent values (including 0) */ |
| 393 | errno = ERANGE; |
| 394 | return -1; |
| 395 | } |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 396 | } else if(arc0 == 2) { |
| 397 | if(arc1 > ASN_OID_ARC_MAX - 80) { |
| 398 | errno = ERANGE; |
| 399 | return -1; |
| 400 | } |
| 401 | } else if(arc0 > 2) { |
| 402 | /* 8.19.4: Only three values are allocated from the root node */ |
| 403 | errno = ERANGE; |
| 404 | return -1; |
| 405 | } |
| 406 | |
| 407 | /* |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 408 | * After above tests it is known that the value of arc0 is completely |
| 409 | * trustworthy (0..2). However, the arc1's value is still meaningless. |
| 410 | */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 411 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 412 | /* |
| 413 | * Roughly estimate the maximum size necessary to encode these arcs. |
| 414 | * This estimation implicitly takes in account the following facts, |
| 415 | * that cancel each other: |
| 416 | * * the first two arcs are encoded in a single value. |
| 417 | * * the first value may require more space (+1 byte) |
| 418 | * * the value of the first arc which is in range (0..2) |
| 419 | */ |
| 420 | size = ((sizeof(asn_oid_arc_t) * CHAR_BIT + 6) / 7) * arc_slots; |
| 421 | bp = buf = (uint8_t *)MALLOC(size + 1); |
| 422 | if(!buf) { |
| 423 | /* ENOMEM */ |
| 424 | return -1; |
| 425 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 426 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 427 | wrote = OBJECT_IDENTIFIER_set_single_arc(bp, size, arc0 * 40 + arc1); |
| 428 | if(wrote <= 0) { |
| 429 | FREEMEM(buf); |
| 430 | return -1; |
| 431 | } |
Lev Walkin | 2d824a6 | 2017-10-14 02:58:46 -0700 | [diff] [blame] | 432 | assert((size_t)wrote <= size); |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 433 | bp += wrote; |
| 434 | size -= wrote; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 435 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 436 | for(i = 2; i < arc_slots; i++) { |
| 437 | wrote = OBJECT_IDENTIFIER_set_single_arc(bp, size, arcs[i]); |
| 438 | if(wrote <= 0) { |
| 439 | FREEMEM(buf); |
| 440 | return -1; |
| 441 | } |
Lev Walkin | 2d824a6 | 2017-10-14 02:58:46 -0700 | [diff] [blame] | 442 | assert((size_t)wrote <= size); |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 443 | bp += wrote; |
| 444 | size -= wrote; |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 445 | } |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 446 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 447 | /* |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 448 | * Replace buffer. |
| 449 | */ |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 450 | st->size = bp - buf; |
| 451 | bp = st->buf; |
| 452 | st->buf = buf; |
| 453 | st->buf[st->size] = '\0'; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 454 | if(bp) FREEMEM(bp); |
| 455 | |
| 456 | return 0; |
| 457 | } |
Lev Walkin | c4c6196 | 2004-06-14 08:17:27 +0000 | [diff] [blame] | 458 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 459 | ssize_t |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 460 | OBJECT_IDENTIFIER_parse_arcs(const char *oid_text, ssize_t oid_txt_length, |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 461 | asn_oid_arc_t *arcs, size_t arcs_count, |
| 462 | const char **opt_oid_text_end) { |
| 463 | size_t num_arcs = 0; |
| 464 | const char *oid_end; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 465 | enum { |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 466 | ST_LEADSPACE, |
| 467 | ST_TAILSPACE, |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 468 | ST_AFTERVALUE, /* Next character ought to be '.' or a space */ |
Lev Walkin | 104af19 | 2016-01-24 22:13:27 -0800 | [diff] [blame] | 469 | ST_WAITDIGITS /* Next character is expected to be a digit */ |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 470 | } state = ST_LEADSPACE; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 471 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 472 | if(!oid_text || oid_txt_length < -1 || (arcs_count && !arcs)) { |
Lev Walkin | 093ba2e | 2005-04-04 21:10:06 +0000 | [diff] [blame] | 473 | if(opt_oid_text_end) *opt_oid_text_end = oid_text; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 474 | errno = EINVAL; |
| 475 | return -1; |
| 476 | } |
| 477 | |
| 478 | if(oid_txt_length == -1) |
| 479 | oid_txt_length = strlen(oid_text); |
| 480 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 481 | #define _OID_CAPTURE_ARC(oid_text, oid_end) \ |
| 482 | do { \ |
| 483 | const char *endp = oid_end; \ |
| 484 | unsigned long value; \ |
| 485 | switch(asn_strtoul_lim(oid_text, &endp, &value)) { \ |
| 486 | case ASN_STRTOX_EXTRA_DATA: \ |
| 487 | case ASN_STRTOX_OK: \ |
| 488 | if(value <= ASN_OID_ARC_MAX) { \ |
| 489 | if(num_arcs < arcs_count) arcs[num_arcs] = value; \ |
| 490 | num_arcs++; \ |
| 491 | oid_text = endp - 1; \ |
| 492 | break; \ |
| 493 | } \ |
| 494 | /* Fall through */ \ |
| 495 | case ASN_STRTOX_ERROR_RANGE: \ |
| 496 | if(opt_oid_text_end) *opt_oid_text_end = oid_text; \ |
| 497 | errno = ERANGE; \ |
| 498 | return -1; \ |
| 499 | case ASN_STRTOX_ERROR_INVAL: \ |
| 500 | case ASN_STRTOX_EXPECT_MORE: \ |
| 501 | if(opt_oid_text_end) *opt_oid_text_end = oid_text; \ |
| 502 | errno = EINVAL; \ |
| 503 | return -1; \ |
| 504 | } \ |
| 505 | } while(0) |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 506 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 507 | for(oid_end = oid_text + oid_txt_length; oid_text<oid_end; oid_text++) { |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 508 | switch(*oid_text) { |
| 509 | case 0x09: case 0x0a: case 0x0d: case 0x20: /* whitespace */ |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 510 | switch(state) { |
| 511 | case ST_LEADSPACE: |
| 512 | case ST_TAILSPACE: |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 513 | continue; |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 514 | case ST_AFTERVALUE: |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 515 | state = ST_TAILSPACE; |
| 516 | continue; |
| 517 | case ST_WAITDIGITS: |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 518 | break; /* Digits expected after ".", got whitespace */ |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 519 | } |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 520 | break; |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 521 | case 0x2e: /* '.' */ |
| 522 | switch(state) { |
| 523 | case ST_LEADSPACE: |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 524 | case ST_TAILSPACE: |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 525 | case ST_WAITDIGITS: |
| 526 | if(opt_oid_text_end) |
| 527 | *opt_oid_text_end = oid_text; |
| 528 | errno = EINVAL; /* Broken OID */ |
| 529 | return -1; |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 530 | break; |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 531 | case ST_AFTERVALUE: |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 532 | state = ST_WAITDIGITS; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 533 | continue; |
| 534 | } |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 535 | break; |
| 536 | case 0x30: case 0x31: case 0x32: case 0x33: case 0x34: |
| 537 | case 0x35: case 0x36: case 0x37: case 0x38: case 0x39: |
| 538 | switch(state) { |
| 539 | case ST_TAILSPACE: |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 540 | case ST_AFTERVALUE: |
| 541 | if(opt_oid_text_end) |
| 542 | *opt_oid_text_end = oid_text; |
| 543 | errno = EINVAL; /* "1. 1" => broken OID */ |
| 544 | return -1; |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 545 | case ST_LEADSPACE: |
| 546 | case ST_WAITDIGITS: |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 547 | _OID_CAPTURE_ARC(oid_text, oid_end); |
| 548 | state = ST_AFTERVALUE; |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 549 | continue; |
| 550 | } |
| 551 | break; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 552 | default: |
| 553 | /* Unexpected symbols */ |
| 554 | state = ST_WAITDIGITS; |
| 555 | break; |
| 556 | } /* switch() */ |
| 557 | break; |
| 558 | } /* for() */ |
| 559 | |
| 560 | |
Lev Walkin | 093ba2e | 2005-04-04 21:10:06 +0000 | [diff] [blame] | 561 | if(opt_oid_text_end) *opt_oid_text_end = oid_text; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 562 | |
| 563 | /* Finalize last arc */ |
| 564 | switch(state) { |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 565 | case ST_LEADSPACE: |
Lev Walkin | aed43c8 | 2012-09-04 14:56:27 -0700 | [diff] [blame] | 566 | return 0; /* No OID found in input data */ |
Lev Walkin | aed43c8 | 2012-09-04 14:56:27 -0700 | [diff] [blame] | 567 | case ST_WAITDIGITS: |
| 568 | errno = EINVAL; /* Broken OID */ |
| 569 | return -1; |
Lev Walkin | cad560a | 2013-03-16 07:00:58 -0700 | [diff] [blame] | 570 | case ST_AFTERVALUE: |
Lev Walkin | f592711 | 2012-09-03 00:48:45 -0700 | [diff] [blame] | 571 | case ST_TAILSPACE: |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 572 | return num_arcs; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 573 | } |
Lev Walkin | aed43c8 | 2012-09-04 14:56:27 -0700 | [diff] [blame] | 574 | |
| 575 | errno = EINVAL; /* Broken OID */ |
| 576 | return -1; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 577 | } |
| 578 | |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 579 | /* |
| 580 | * Generate values from the list of interesting values, or just a random |
| 581 | * value up to the upper limit. |
| 582 | */ |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 583 | static asn_oid_arc_t |
| 584 | OBJECT_IDENTIFIER__biased_random_arc(asn_oid_arc_t upper_bound) { |
| 585 | const asn_oid_arc_t values[] = {0, 1, 127, 128, 129, 254, 255, 256}; |
Lev Walkin | b5b524b | 2017-10-13 03:14:03 -0700 | [diff] [blame] | 586 | size_t idx; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 587 | |
Lev Walkin | b5b524b | 2017-10-13 03:14:03 -0700 | [diff] [blame] | 588 | switch(asn_random_between(0, 2)) { |
| 589 | case 0: |
| 590 | idx = asn_random_between(0, sizeof(values) / sizeof(values[0]) - 1); |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 591 | if(values[idx] < upper_bound) { |
| 592 | return values[idx]; |
| 593 | } |
Lev Walkin | b5b524b | 2017-10-13 03:14:03 -0700 | [diff] [blame] | 594 | /* Fall through */ |
| 595 | case 1: |
| 596 | return asn_random_between(0, upper_bound); |
| 597 | case 2: |
| 598 | default: |
| 599 | return upper_bound; |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 600 | } |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 601 | } |
| 602 | |
| 603 | asn_random_fill_result_t |
| 604 | OBJECT_IDENTIFIER_random_fill(const asn_TYPE_descriptor_t *td, void **sptr, |
| 605 | const asn_encoding_constraints_t *constraints, |
| 606 | size_t max_length) { |
| 607 | asn_random_fill_result_t result_ok = {ARFILL_OK, 1}; |
| 608 | asn_random_fill_result_t result_failed = {ARFILL_FAILED, 0}; |
| 609 | asn_random_fill_result_t result_skipped = {ARFILL_SKIPPED, 0}; |
| 610 | OBJECT_IDENTIFIER_t *st; |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 611 | asn_oid_arc_t arcs[5]; |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 612 | size_t arcs_len = asn_random_between(2, 5); |
| 613 | size_t i; |
| 614 | |
| 615 | (void)constraints; |
| 616 | |
| 617 | if(max_length < arcs_len) return result_skipped; |
| 618 | |
| 619 | if(*sptr) { |
| 620 | st = *sptr; |
| 621 | } else { |
| 622 | st = CALLOC(1, sizeof(*st)); |
| 623 | } |
| 624 | |
| 625 | arcs[0] = asn_random_between(0, 2); |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 626 | arcs[1] = OBJECT_IDENTIFIER__biased_random_arc( |
| 627 | arcs[0] <= 1 ? 39 : (ASN_OID_ARC_MAX - 80)); |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 628 | for(i = 2; i < arcs_len; i++) { |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 629 | arcs[i] = OBJECT_IDENTIFIER__biased_random_arc(ASN_OID_ARC_MAX); |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 630 | } |
| 631 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 632 | if(OBJECT_IDENTIFIER_set_arcs(st, arcs, arcs_len)) { |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 633 | if(st != *sptr) { |
| 634 | ASN_STRUCT_FREE(*td, st); |
| 635 | } |
| 636 | return result_failed; |
| 637 | } |
| 638 | |
| 639 | *sptr = st; |
| 640 | |
Lev Walkin | 588bf0f | 2017-10-13 23:51:16 -0700 | [diff] [blame] | 641 | result_ok.length = st->size; |
Lev Walkin | a5972be | 2017-09-29 23:15:58 -0700 | [diff] [blame] | 642 | return result_ok; |
| 643 | } |