Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | #include <stdlib.h> |
| 2 | #include <string.h> |
| 3 | #include <errno.h> |
| 4 | #include <assert.h> |
| 5 | |
| 6 | #include "asn1parser.h" |
Lev Walkin | ea6635b | 2017-08-06 23:23:04 -0700 | [diff] [blame] | 7 | #include "asn1p_expr.h" |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 8 | |
Lev Walkin | ea6635b | 2017-08-06 23:23:04 -0700 | [diff] [blame] | 9 | void |
| 10 | asn1p_value_set_source(asn1p_value_t *value, asn1p_module_t *module, |
| 11 | int lineno) { |
| 12 | if(value) { |
| 13 | switch(value->type) { |
| 14 | case ATV_TYPE: |
| 15 | asn1p_expr_set_source(value->value.v_type, module, lineno); |
| 16 | break; |
| 17 | case ATV_REFERENCED: |
| 18 | asn1p_ref_set_source(value->value.reference, module, lineno); |
| 19 | break; |
| 20 | case ATV_VALUESET: |
| 21 | asn1p_constraint_set_source(value->value.constraint, module, |
| 22 | lineno); |
| 23 | break; |
| 24 | default: |
| 25 | break; |
| 26 | } |
| 27 | } |
| 28 | } |
| 29 | |
| 30 | int |
| 31 | asn1p_value_compare(const asn1p_value_t *a, const asn1p_value_t *b) { |
| 32 | if(a->type != b->type) { |
| 33 | return -1; |
| 34 | } |
| 35 | |
| 36 | switch(a->type) { |
| 37 | case ATV_NULL: |
| 38 | case ATV_NOVALUE: |
| 39 | case ATV_MAX: |
| 40 | case ATV_MIN: |
| 41 | case ATV_FALSE: |
| 42 | case ATV_TRUE: |
| 43 | break; |
| 44 | case ATV_TYPE: |
| 45 | return asn1p_expr_compare(a->value.v_type, b->value.v_type); |
| 46 | case ATV_REAL: |
| 47 | return (a->value.v_double == b->value.v_double) ? 0 : -1; |
| 48 | case ATV_INTEGER: |
| 49 | case ATV_TUPLE: |
| 50 | case ATV_QUADRUPLE: |
| 51 | return (a->value.v_integer == b->value.v_integer) ? 0 : -1; |
| 52 | case ATV_STRING: |
| 53 | case ATV_UNPARSED: |
| 54 | if(a->value.string.size != b->value.string.size |
| 55 | || memcmp(a->value.string.buf, b->value.string.buf, |
| 56 | a->value.string.size) |
| 57 | != 0) { |
| 58 | return -1; |
| 59 | } |
| 60 | return 0; |
| 61 | case ATV_BITVECTOR: |
| 62 | if(a->value.binary_vector.size_in_bits |
| 63 | != b->value.binary_vector.size_in_bits |
| 64 | || memcmp(a->value.binary_vector.bits, b->value.binary_vector.bits, |
| 65 | (a->value.binary_vector.size_in_bits+7) >> 3) |
| 66 | != 0) { |
| 67 | return -1; |
| 68 | } |
| 69 | case ATV_VALUESET: |
| 70 | return asn1p_constraint_compare(a->value.constraint, |
| 71 | b->value.constraint); |
| 72 | case ATV_REFERENCED: |
| 73 | return asn1p_ref_compare(a->value.reference, b->value.reference); |
| 74 | case ATV_CHOICE_IDENTIFIER: |
| 75 | if(strcmp(a->value.choice_identifier.identifier, |
| 76 | b->value.choice_identifier.identifier) |
| 77 | != 0) { |
| 78 | return -1; |
| 79 | } |
| 80 | return asn1p_value_compare(a->value.choice_identifier.value, |
| 81 | b->value.choice_identifier.value); |
| 82 | } |
| 83 | |
| 84 | return 0; |
| 85 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 86 | |
| 87 | asn1p_value_t * |
| 88 | asn1p_value_fromref(asn1p_ref_t *ref, int do_copy) { |
| 89 | if(ref) { |
| 90 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 91 | if(v) { |
| 92 | if(do_copy) { |
| 93 | v->value.reference = asn1p_ref_clone(ref); |
| 94 | if(v->value.reference == NULL) { |
| 95 | free(v); |
| 96 | return NULL; |
| 97 | } |
| 98 | } else { |
| 99 | v->value.reference = ref; |
| 100 | } |
| 101 | v->type = ATV_REFERENCED; |
| 102 | } |
| 103 | return v; |
| 104 | } else { |
| 105 | errno = EINVAL; |
| 106 | return NULL; |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | asn1p_value_t * |
Lev Walkin | 5045dfa | 2006-03-21 09:41:28 +0000 | [diff] [blame] | 111 | asn1p_value_fromconstr(asn1p_constraint_t *ct, int do_copy) { |
| 112 | if(ct) { |
| 113 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 114 | if(v) { |
| 115 | if(do_copy) { |
| 116 | v->value.constraint |
| 117 | = asn1p_constraint_clone(ct); |
| 118 | if(v->value.constraint == NULL) { |
| 119 | free(v); |
| 120 | return NULL; |
| 121 | } |
| 122 | } else { |
| 123 | v->value.constraint = ct; |
| 124 | } |
| 125 | v->type = ATV_VALUESET; |
| 126 | } |
| 127 | return v; |
| 128 | } else { |
| 129 | errno = EINVAL; |
| 130 | return NULL; |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | asn1p_value_t * |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 135 | asn1p_value_frombits(uint8_t *bits, int size_in_bits, int do_copy) { |
| 136 | if(bits) { |
| 137 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 138 | assert(size_in_bits >= 0); |
| 139 | if(v) { |
| 140 | if(do_copy) { |
| 141 | int size = ((size_in_bits + 7) >> 3); |
| 142 | void *p; |
| 143 | p = malloc(size + 1); |
| 144 | if(p) { |
| 145 | memcpy(p, bits, size); |
| 146 | ((char *)p)[size] = '\0'; /* JIC */ |
| 147 | } else { |
| 148 | free(v); |
| 149 | return NULL; |
| 150 | } |
| 151 | v->value.binary_vector.bits = p; |
| 152 | } else { |
| 153 | v->value.binary_vector.bits = (void *)bits; |
| 154 | } |
| 155 | v->value.binary_vector.size_in_bits = size_in_bits; |
| 156 | v->type = ATV_BITVECTOR; |
| 157 | } |
| 158 | return v; |
| 159 | } else { |
| 160 | errno = EINVAL; |
| 161 | return NULL; |
| 162 | } |
| 163 | } |
Bi-Ruei, Chiu | 80fd306 | 2017-05-07 21:00:51 +0800 | [diff] [blame] | 164 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 165 | asn1p_value_t * |
| 166 | asn1p_value_frombuf(char *buffer, int size, int do_copy) { |
| 167 | if(buffer) { |
| 168 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 169 | assert(size >= 0); |
| 170 | if(v) { |
| 171 | if(do_copy) { |
| 172 | void *p = malloc(size + 1); |
| 173 | if(p) { |
| 174 | memcpy(p, buffer, size); |
| 175 | ((char *)p)[size] = '\0'; /* JIC */ |
| 176 | } else { |
| 177 | free(v); |
| 178 | return NULL; |
| 179 | } |
| 180 | v->value.string.buf = p; |
| 181 | } else { |
Lev Walkin | 84fbd72 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 182 | v->value.string.buf = (uint8_t *)buffer; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 183 | } |
| 184 | v->value.string.size = size; |
| 185 | v->type = ATV_STRING; |
| 186 | } |
| 187 | return v; |
| 188 | } else { |
| 189 | errno = EINVAL; |
| 190 | return NULL; |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | asn1p_value_t * |
| 195 | asn1p_value_fromdouble(double d) { |
| 196 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 197 | if(v) { |
| 198 | v->value.v_double = d; |
| 199 | v->type = ATV_REAL; |
| 200 | } |
| 201 | return v; |
| 202 | } |
| 203 | |
| 204 | asn1p_value_t * |
Lev Walkin | d21c505 | 2004-09-29 13:18:09 +0000 | [diff] [blame] | 205 | asn1p_value_fromint(asn1c_integer_t i) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 206 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 207 | if(v) { |
| 208 | v->value.v_integer = i; |
| 209 | v->type = ATV_INTEGER; |
| 210 | } |
| 211 | return v; |
| 212 | } |
| 213 | |
| 214 | asn1p_value_t * |
Lev Walkin | a9532f4 | 2006-09-17 04:52:50 +0000 | [diff] [blame] | 215 | asn1p_value_fromtype(asn1p_expr_t *expr) { |
| 216 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 217 | if(v) { |
| 218 | v->value.v_type = expr; |
| 219 | v->type = ATV_TYPE; |
Bi-Ruei, Chiu | b9adfc5 | 2016-11-09 00:17:25 +0800 | [diff] [blame] | 220 | expr->ref_cnt++; |
Lev Walkin | a9532f4 | 2006-09-17 04:52:50 +0000 | [diff] [blame] | 221 | } |
| 222 | return v; |
| 223 | } |
| 224 | |
| 225 | asn1p_value_t * |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 226 | asn1p_value_clone(asn1p_value_t *v) { |
Lev Walkin | a00d6b3 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 227 | return asn1p_value_clone_with_resolver(v, 0, 0); |
| 228 | } |
| 229 | |
| 230 | asn1p_value_t * |
| 231 | asn1p_value_clone_with_resolver(asn1p_value_t *v, |
| 232 | asn1p_value_t *(*resolver)(asn1p_value_t *, void *rarg), |
| 233 | void *rarg) { |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 234 | asn1p_value_t *clone = NULL; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 235 | if(v) { |
| 236 | switch(v->type) { |
| 237 | case ATV_NOVALUE: |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 238 | case ATV_NULL: |
| 239 | return calloc(1, sizeof(*clone)); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 240 | case ATV_REAL: |
| 241 | return asn1p_value_fromdouble(v->value.v_double); |
Lev Walkin | a9532f4 | 2006-09-17 04:52:50 +0000 | [diff] [blame] | 242 | case ATV_TYPE: |
| 243 | return asn1p_value_fromtype(v->value.v_type); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 244 | case ATV_INTEGER: |
| 245 | case ATV_MIN: |
| 246 | case ATV_MAX: |
| 247 | case ATV_FALSE: |
| 248 | case ATV_TRUE: |
Lev Walkin | 1e448d3 | 2005-03-24 14:26:38 +0000 | [diff] [blame] | 249 | case ATV_TUPLE: |
| 250 | case ATV_QUADRUPLE: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 251 | clone = asn1p_value_fromint(v->value.v_integer); |
| 252 | if(clone) clone->type = v->type; |
| 253 | return clone; |
| 254 | case ATV_STRING: |
Lev Walkin | 84fbd72 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 255 | clone = asn1p_value_frombuf((char *)v->value.string.buf, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 256 | v->value.string.size, 1); |
| 257 | if(clone) clone->type = v->type; |
| 258 | return clone; |
| 259 | case ATV_UNPARSED: |
Lev Walkin | 84fbd72 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 260 | clone = asn1p_value_frombuf((char *)v->value.string.buf, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 261 | v->value.string.size, 1); |
| 262 | if(clone) clone->type = ATV_UNPARSED; |
| 263 | return clone; |
| 264 | case ATV_BITVECTOR: |
Lev Walkin | 774ee7e | 2005-04-13 12:47:35 +0000 | [diff] [blame] | 265 | return asn1p_value_frombits(v->value.binary_vector.bits, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 266 | v->value.binary_vector.size_in_bits, 1); |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 267 | case ATV_REFERENCED: |
Lev Walkin | a00d6b3 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 268 | if(resolver) { |
| 269 | clone = resolver(v, rarg); |
| 270 | if(clone) return clone; |
| 271 | else if(errno != ESRCH) return NULL; |
| 272 | } |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 273 | return asn1p_value_fromref(v->value.reference, 1); |
Lev Walkin | 5045dfa | 2006-03-21 09:41:28 +0000 | [diff] [blame] | 274 | case ATV_VALUESET: |
| 275 | if(resolver) { |
| 276 | clone = resolver(v, rarg); |
| 277 | if(clone) return clone; |
| 278 | else if(errno != ESRCH) return NULL; |
| 279 | } |
| 280 | return asn1p_value_fromconstr(v->value.constraint, 1); |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 281 | case ATV_CHOICE_IDENTIFIER: { |
| 282 | char *id = v->value.choice_identifier.identifier; |
| 283 | clone = calloc(1, sizeof(*clone)); |
| 284 | if(!clone) return NULL; |
| 285 | clone->type = v->type; |
| 286 | id = strdup(id); |
| 287 | if(!id) { asn1p_value_free(clone); return NULL; } |
| 288 | clone->value.choice_identifier.identifier = id; |
| 289 | v = asn1p_value_clone(v->value.choice_identifier.value); |
| 290 | if(!v) { asn1p_value_free(clone); return NULL; } |
| 291 | clone->value.choice_identifier.value = v; |
| 292 | return clone; |
| 293 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 294 | } |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 295 | |
| 296 | assert(!"UNREACHABLE"); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 297 | } |
| 298 | return v; |
| 299 | } |
| 300 | |
| 301 | void |
| 302 | asn1p_value_free(asn1p_value_t *v) { |
| 303 | if(v) { |
| 304 | switch(v->type) { |
| 305 | case ATV_NOVALUE: |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 306 | case ATV_NULL: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 307 | break; |
Lev Walkin | a9532f4 | 2006-09-17 04:52:50 +0000 | [diff] [blame] | 308 | case ATV_TYPE: |
| 309 | asn1p_expr_free(v->value.v_type); |
| 310 | break; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 311 | case ATV_REAL: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 312 | case ATV_INTEGER: |
| 313 | case ATV_MIN: |
| 314 | case ATV_MAX: |
| 315 | case ATV_FALSE: |
| 316 | case ATV_TRUE: |
Lev Walkin | 1e448d3 | 2005-03-24 14:26:38 +0000 | [diff] [blame] | 317 | case ATV_TUPLE: |
| 318 | case ATV_QUADRUPLE: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 319 | /* No freeing necessary */ |
| 320 | break; |
| 321 | case ATV_STRING: |
| 322 | case ATV_UNPARSED: |
| 323 | assert(v->value.string.buf); |
| 324 | free(v->value.string.buf); |
| 325 | break; |
| 326 | case ATV_BITVECTOR: |
| 327 | assert(v->value.binary_vector.bits); |
| 328 | free(v->value.binary_vector.bits); |
| 329 | break; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 330 | case ATV_REFERENCED: |
| 331 | asn1p_ref_free(v->value.reference); |
| 332 | break; |
Lev Walkin | 5045dfa | 2006-03-21 09:41:28 +0000 | [diff] [blame] | 333 | case ATV_VALUESET: |
| 334 | asn1p_constraint_free(v->value.constraint); |
| 335 | break; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 336 | case ATV_CHOICE_IDENTIFIER: |
| 337 | free(v->value.choice_identifier.identifier); |
| 338 | asn1p_value_free(v->value.choice_identifier.value); |
| 339 | break; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 340 | } |
Bi-Ruei, Chiu | b9adfc5 | 2016-11-09 00:17:25 +0800 | [diff] [blame] | 341 | memset(v, 0, sizeof(*v)); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 342 | free(v); |
| 343 | } |
| 344 | } |
| 345 | |