Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | /*- |
Lev Walkin | 2c34aad | 2005-03-10 11:50:24 +0000 | [diff] [blame] | 2 | * Copyright (c) 2003, 2004, 2005 Lev Walkin <vlm@lionet.info>. |
| 3 | * All rights reserved. |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 4 | * Redistribution and modifications are permitted subject to BSD license. |
| 5 | */ |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 6 | #include <asn_internal.h> |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 7 | #include <RELATIVE-OID.h> |
Lev Walkin | 725883b | 2006-10-09 12:07:58 +0000 | [diff] [blame] | 8 | #include <OCTET_STRING.h> |
Lev Walkin | 3256d6f | 2004-10-21 11:22:12 +0000 | [diff] [blame] | 9 | #include <asn_codecs_prim.h> /* Encoder and decoder of a primitive type */ |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 10 | #include <limits.h> /* for CHAR_BIT */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 11 | #include <errno.h> |
| 12 | |
| 13 | /* |
| 14 | * RELATIVE-OID basic type description. |
| 15 | */ |
Wim Lewis | 18c2ec9 | 2014-07-29 11:30:10 -0700 | [diff] [blame] | 16 | static const ber_tlv_tag_t asn_DEF_RELATIVE_OID_tags[] = { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 17 | (ASN_TAG_CLASS_UNIVERSAL | (13 << 2)) |
| 18 | }; |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 19 | asn_TYPE_descriptor_t asn_DEF_RELATIVE_OID = { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 20 | "RELATIVE-OID", |
Lev Walkin | dc06f6b | 2004-10-20 15:50:55 +0000 | [diff] [blame] | 21 | "RELATIVE_OID", |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 22 | ASN__PRIMITIVE_TYPE_free, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 23 | RELATIVE_OID_print, |
Lev Walkin | cd2f48e | 2017-08-10 02:14:59 -0700 | [diff] [blame] | 24 | OCTET_STRING_compare, /* Implemented in terms of opaque comparison */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 25 | asn_generic_no_constraint, |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 26 | ber_decode_primitive, |
| 27 | der_encode_primitive, |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 28 | RELATIVE_OID_decode_xer, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 29 | RELATIVE_OID_encode_xer, |
Lev Walkin | cc15947 | 2017-07-06 08:26:36 -0700 | [diff] [blame] | 30 | #ifdef ASN_DISABLE_OER_SUPPORT |
| 31 | 0, |
| 32 | 0, |
| 33 | #else |
| 34 | 0, |
| 35 | 0, |
| 36 | #endif /* ASN_DISABLE_OER_SUPPORT */ |
Lev Walkin | b33425f | 2017-07-14 14:59:52 +0400 | [diff] [blame] | 37 | #ifdef ASN_DISABLE_PER_SUPPORT |
| 38 | 0, |
| 39 | 0, |
| 40 | #else |
| 41 | OCTET_STRING_decode_uper, |
| 42 | OCTET_STRING_encode_uper, |
| 43 | #endif /* ASN_DISABLE_PER_SUPPORT */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 44 | 0, /* Use generic outmost tag fetcher */ |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 45 | asn_DEF_RELATIVE_OID_tags, |
| 46 | sizeof(asn_DEF_RELATIVE_OID_tags) |
| 47 | / sizeof(asn_DEF_RELATIVE_OID_tags[0]), |
| 48 | asn_DEF_RELATIVE_OID_tags, /* Same as above */ |
| 49 | sizeof(asn_DEF_RELATIVE_OID_tags) |
| 50 | / sizeof(asn_DEF_RELATIVE_OID_tags[0]), |
Lev Walkin | 7678076 | 2017-07-07 10:07:30 -0700 | [diff] [blame] | 51 | 0, /* No OER visible constraints */ |
Lev Walkin | 59b176e | 2005-11-26 11:25:14 +0000 | [diff] [blame] | 52 | 0, /* No PER visible constraints */ |
Lev Walkin | 449f832 | 2004-08-20 13:23:42 +0000 | [diff] [blame] | 53 | 0, 0, /* No members */ |
Lev Walkin | d9bd775 | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 54 | 0 /* No specifics */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 55 | }; |
| 56 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 57 | static ssize_t |
| 58 | RELATIVE_OID__dump_body(const RELATIVE_OID_t *st, asn_app_consume_bytes_f *cb, void *app_key) { |
| 59 | ssize_t wrote = 0; |
| 60 | ssize_t ret; |
Lev Walkin | 494fb70 | 2017-08-07 20:07:00 -0700 | [diff] [blame] | 61 | size_t startn; |
| 62 | size_t i; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 63 | |
| 64 | for(i = 0, startn = 0; i < st->size; i++) { |
| 65 | uint8_t b = st->buf[i]; |
| 66 | if((b & 0x80)) /* Continuation expected */ |
| 67 | continue; |
| 68 | if(startn) { |
| 69 | /* Separate arcs */ |
| 70 | if(cb(".", 1, app_key) < 0) |
| 71 | return -1; |
| 72 | wrote++; |
| 73 | } |
| 74 | |
| 75 | ret = OBJECT_IDENTIFIER__dump_arc(&st->buf[startn], |
| 76 | i - startn + 1, 0, cb, app_key); |
| 77 | if(ret < 0) return -1; |
| 78 | wrote += ret; |
| 79 | |
| 80 | startn = i + 1; |
| 81 | } |
| 82 | |
| 83 | return wrote; |
| 84 | } |
| 85 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 86 | int |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 87 | RELATIVE_OID_print(asn_TYPE_descriptor_t *td, const void *sptr, int ilevel, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 88 | asn_app_consume_bytes_f *cb, void *app_key) { |
Lev Walkin | c234657 | 2004-08-11 09:07:36 +0000 | [diff] [blame] | 89 | const RELATIVE_OID_t *st = (const RELATIVE_OID_t *)sptr; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 90 | |
Lev Walkin | d9bd775 | 2004-06-05 08:17:50 +0000 | [diff] [blame] | 91 | (void)td; /* Unused argument */ |
| 92 | (void)ilevel; /* Unused argument */ |
| 93 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 94 | if(!st || !st->buf) |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 95 | return (cb("<absent>", 8, app_key) < 0) ? -1 : 0; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 96 | |
| 97 | /* Dump preamble */ |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 98 | if(cb("{ ", 2, app_key) < 0) |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 99 | return -1; |
| 100 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 101 | if(RELATIVE_OID__dump_body(st, cb, app_key) < 0) |
| 102 | return -1; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 103 | |
Lev Walkin | 8e8078a | 2004-09-26 13:10:40 +0000 | [diff] [blame] | 104 | return (cb(" }", 2, app_key) < 0) ? -1 : 0; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 105 | } |
| 106 | |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 107 | static enum xer_pbd_rval |
| 108 | RELATIVE_OID__xer_body_decode(asn_TYPE_descriptor_t *td, void *sptr, const void *chunk_buf, size_t chunk_size) { |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 109 | RELATIVE_OID_t *st = (RELATIVE_OID_t *)sptr; |
Lev Walkin | 2c34aad | 2005-03-10 11:50:24 +0000 | [diff] [blame] | 110 | const char *chunk_end = (const char *)chunk_buf + chunk_size; |
| 111 | const char *endptr; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 112 | long s_arcs[6]; |
| 113 | long *arcs = s_arcs; |
| 114 | int arcs_count; |
| 115 | int ret; |
| 116 | |
Lev Walkin | e0b56e0 | 2005-02-25 12:10:27 +0000 | [diff] [blame] | 117 | (void)td; |
| 118 | |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 119 | arcs_count = OBJECT_IDENTIFIER_parse_arcs( |
| 120 | (const char *)chunk_buf, chunk_size, |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 121 | arcs, sizeof(s_arcs)/sizeof(s_arcs[0]), &endptr); |
| 122 | if(arcs_count < 0) { |
Lev Walkin | aed43c8 | 2012-09-04 14:56:27 -0700 | [diff] [blame] | 123 | /* Expecting at least one arc arcs */ |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 124 | return XPBD_BROKEN_ENCODING; |
Lev Walkin | aed43c8 | 2012-09-04 14:56:27 -0700 | [diff] [blame] | 125 | } else if(arcs_count == 0) { |
| 126 | return XPBD_NOT_BODY_IGNORE; |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 127 | } |
Lev Walkin | aed43c8 | 2012-09-04 14:56:27 -0700 | [diff] [blame] | 128 | assert(endptr == chunk_end); |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 129 | |
| 130 | if((size_t)arcs_count > sizeof(s_arcs)/sizeof(s_arcs[0])) { |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 131 | arcs = (long *)MALLOC(arcs_count * sizeof(long)); |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 132 | if(!arcs) return XPBD_SYSTEM_FAILURE; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 133 | ret = OBJECT_IDENTIFIER_parse_arcs( |
| 134 | (const char *)chunk_buf, chunk_size, |
| 135 | arcs, arcs_count, &endptr); |
| 136 | if(ret != arcs_count) |
Lev Walkin | 0fab1a6 | 2005-03-09 22:19:25 +0000 | [diff] [blame] | 137 | return XPBD_SYSTEM_FAILURE; /* assert?.. */ |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 138 | } |
| 139 | |
| 140 | /* |
| 141 | * Convert arcs into BER representation. |
| 142 | */ |
| 143 | ret = RELATIVE_OID_set_arcs(st, arcs, sizeof(*arcs), arcs_count); |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 144 | if(arcs != s_arcs) FREEMEM(arcs); |
| 145 | |
Lev Walkin | 2c34aad | 2005-03-10 11:50:24 +0000 | [diff] [blame] | 146 | return ret ? XPBD_SYSTEM_FAILURE : XPBD_BODY_CONSUMED; |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | asn_dec_rval_t |
| 150 | RELATIVE_OID_decode_xer(asn_codec_ctx_t *opt_codec_ctx, |
| 151 | asn_TYPE_descriptor_t *td, void **sptr, const char *opt_mname, |
Lev Walkin | 8c3b854 | 2005-03-10 18:52:02 +0000 | [diff] [blame] | 152 | const void *buf_ptr, size_t size) { |
Lev Walkin | 9230225 | 2004-10-23 10:16:51 +0000 | [diff] [blame] | 153 | |
| 154 | return xer_decode_primitive(opt_codec_ctx, td, |
| 155 | sptr, sizeof(RELATIVE_OID_t), opt_mname, |
| 156 | buf_ptr, size, RELATIVE_OID__xer_body_decode); |
| 157 | } |
| 158 | |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 159 | asn_enc_rval_t |
Lev Walkin | 5e03376 | 2004-09-29 13:26:15 +0000 | [diff] [blame] | 160 | RELATIVE_OID_encode_xer(asn_TYPE_descriptor_t *td, void *sptr, |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 161 | int ilevel, enum xer_encoder_flags_e flags, |
| 162 | asn_app_consume_bytes_f *cb, void *app_key) { |
| 163 | RELATIVE_OID_t *st = (RELATIVE_OID_t *)sptr; |
| 164 | asn_enc_rval_t er; |
| 165 | |
| 166 | (void)ilevel; /* Unused argument */ |
| 167 | (void)flags; /* Unused argument */ |
| 168 | |
| 169 | if(!st || !st->buf) |
Lev Walkin | 7c1dc05 | 2016-03-14 03:08:15 -0700 | [diff] [blame] | 170 | ASN__ENCODE_FAILED; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 171 | |
| 172 | er.encoded = RELATIVE_OID__dump_body(st, cb, app_key); |
Lev Walkin | 7c1dc05 | 2016-03-14 03:08:15 -0700 | [diff] [blame] | 173 | if(er.encoded < 0) ASN__ENCODE_FAILED; |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 174 | |
Lev Walkin | 7c1dc05 | 2016-03-14 03:08:15 -0700 | [diff] [blame] | 175 | ASN__ENCODED_OK(er); |
Lev Walkin | a9cc46e | 2004-09-22 16:06:28 +0000 | [diff] [blame] | 176 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 177 | |
| 178 | int |
Wim Lewis | 14e6b16 | 2014-07-23 16:06:01 -0700 | [diff] [blame] | 179 | RELATIVE_OID_get_arcs(const RELATIVE_OID_t *roid, |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 180 | void *arcs, unsigned int arc_type_size, unsigned int arc_slots) { |
Lev Walkin | 4d9528c | 2004-08-11 08:10:13 +0000 | [diff] [blame] | 181 | void *arcs_end = (char *)arcs + (arc_slots * arc_type_size); |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 182 | int num_arcs = 0; |
Lev Walkin | 494fb70 | 2017-08-07 20:07:00 -0700 | [diff] [blame] | 183 | size_t startn = 0; |
| 184 | size_t i; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 185 | |
| 186 | if(!roid || !roid->buf) { |
| 187 | errno = EINVAL; |
| 188 | return -1; |
| 189 | } |
| 190 | |
| 191 | for(i = 0; i < roid->size; i++) { |
| 192 | uint8_t b = roid->buf[i]; |
| 193 | if((b & 0x80)) /* Continuation expected */ |
| 194 | continue; |
| 195 | |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 196 | if(arcs < arcs_end) { |
| 197 | if(OBJECT_IDENTIFIER_get_single_arc( |
| 198 | &roid->buf[startn], |
| 199 | i - startn + 1, 0, |
| 200 | arcs, arc_type_size)) |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 201 | return -1; |
Lev Walkin | 4ce78ca | 2004-08-25 01:34:11 +0000 | [diff] [blame] | 202 | arcs = ((char *)arcs) + arc_type_size; |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 203 | num_arcs++; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | startn = i + 1; |
| 207 | } |
| 208 | |
Lev Walkin | 29a044b | 2004-06-14 07:24:36 +0000 | [diff] [blame] | 209 | return num_arcs; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | int |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 213 | RELATIVE_OID_set_arcs(RELATIVE_OID_t *roid, void *arcs, unsigned int arc_type_size, unsigned int arcs_slots) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 214 | uint8_t *buf; |
| 215 | uint8_t *bp; |
Lev Walkin | 34b2a93 | 2004-06-17 23:46:45 +0000 | [diff] [blame] | 216 | unsigned int size; |
| 217 | unsigned int i; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 218 | |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 219 | if(roid == NULL || arcs == NULL || arc_type_size < 1) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 220 | errno = EINVAL; |
| 221 | return -1; |
| 222 | } |
| 223 | |
| 224 | /* |
| 225 | * Roughly estimate the maximum size necessary to encode these arcs. |
| 226 | */ |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 227 | size = ((arc_type_size * CHAR_BIT + 6) / 7) * arcs_slots; |
Lev Walkin | c234657 | 2004-08-11 09:07:36 +0000 | [diff] [blame] | 228 | bp = buf = (uint8_t *)MALLOC(size + 1); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 229 | if(!buf) { |
| 230 | /* ENOMEM */ |
| 231 | return -1; |
| 232 | } |
| 233 | |
| 234 | /* |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 235 | * Encode the arcs. |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 236 | */ |
Lev Walkin | 4ce78ca | 2004-08-25 01:34:11 +0000 | [diff] [blame] | 237 | for(i = 0; i < arcs_slots; i++, arcs = ((char *)arcs) + arc_type_size) { |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 238 | bp += OBJECT_IDENTIFIER_set_single_arc(bp, |
| 239 | arcs, arc_type_size, 0); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 240 | } |
| 241 | |
Lev Walkin | 34b2a93 | 2004-06-17 23:46:45 +0000 | [diff] [blame] | 242 | assert((unsigned)(bp - buf) <= size); |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 243 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 244 | /* |
| 245 | * Replace buffer. |
| 246 | */ |
Lev Walkin | 4efbfb7 | 2005-02-25 14:20:30 +0000 | [diff] [blame] | 247 | roid->size = (int)(bp - buf); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 248 | bp = roid->buf; |
| 249 | roid->buf = buf; |
| 250 | if(bp) FREEMEM(bp); |
| 251 | |
| 252 | return 0; |
| 253 | } |
Lev Walkin | 0787ff0 | 2004-06-17 23:43:39 +0000 | [diff] [blame] | 254 | |