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" |
| 7 | |
| 8 | |
| 9 | asn1p_value_t * |
| 10 | asn1p_value_fromref(asn1p_ref_t *ref, int do_copy) { |
| 11 | if(ref) { |
| 12 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 13 | if(v) { |
| 14 | if(do_copy) { |
| 15 | v->value.reference = asn1p_ref_clone(ref); |
| 16 | if(v->value.reference == NULL) { |
| 17 | free(v); |
| 18 | return NULL; |
| 19 | } |
| 20 | } else { |
| 21 | v->value.reference = ref; |
| 22 | } |
| 23 | v->type = ATV_REFERENCED; |
| 24 | } |
| 25 | return v; |
| 26 | } else { |
| 27 | errno = EINVAL; |
| 28 | return NULL; |
| 29 | } |
| 30 | } |
| 31 | |
| 32 | asn1p_value_t * |
Lev Walkin | 5045dfa | 2006-03-21 09:41:28 +0000 | [diff] [blame] | 33 | asn1p_value_fromconstr(asn1p_constraint_t *ct, int do_copy) { |
| 34 | if(ct) { |
| 35 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 36 | if(v) { |
| 37 | if(do_copy) { |
| 38 | v->value.constraint |
| 39 | = asn1p_constraint_clone(ct); |
| 40 | if(v->value.constraint == NULL) { |
| 41 | free(v); |
| 42 | return NULL; |
| 43 | } |
| 44 | } else { |
| 45 | v->value.constraint = ct; |
| 46 | } |
| 47 | v->type = ATV_VALUESET; |
| 48 | } |
| 49 | return v; |
| 50 | } else { |
| 51 | errno = EINVAL; |
| 52 | return NULL; |
| 53 | } |
| 54 | } |
| 55 | |
| 56 | asn1p_value_t * |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 57 | asn1p_value_frombits(uint8_t *bits, int size_in_bits, int do_copy) { |
| 58 | if(bits) { |
| 59 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 60 | assert(size_in_bits >= 0); |
| 61 | if(v) { |
| 62 | if(do_copy) { |
| 63 | int size = ((size_in_bits + 7) >> 3); |
| 64 | void *p; |
| 65 | p = malloc(size + 1); |
| 66 | if(p) { |
| 67 | memcpy(p, bits, size); |
| 68 | ((char *)p)[size] = '\0'; /* JIC */ |
| 69 | } else { |
| 70 | free(v); |
| 71 | return NULL; |
| 72 | } |
| 73 | v->value.binary_vector.bits = p; |
| 74 | } else { |
| 75 | v->value.binary_vector.bits = (void *)bits; |
| 76 | } |
| 77 | v->value.binary_vector.size_in_bits = size_in_bits; |
| 78 | v->type = ATV_BITVECTOR; |
| 79 | } |
| 80 | return v; |
| 81 | } else { |
| 82 | errno = EINVAL; |
| 83 | return NULL; |
| 84 | } |
| 85 | } |
Bi-Ruei, Chiu | 80fd306 | 2017-05-07 21:00:51 +0800 | [diff] [blame] | 86 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 87 | asn1p_value_t * |
| 88 | asn1p_value_frombuf(char *buffer, int size, int do_copy) { |
| 89 | if(buffer) { |
| 90 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 91 | assert(size >= 0); |
| 92 | if(v) { |
| 93 | if(do_copy) { |
| 94 | void *p = malloc(size + 1); |
| 95 | if(p) { |
| 96 | memcpy(p, buffer, size); |
| 97 | ((char *)p)[size] = '\0'; /* JIC */ |
| 98 | } else { |
| 99 | free(v); |
| 100 | return NULL; |
| 101 | } |
| 102 | v->value.string.buf = p; |
| 103 | } else { |
Lev Walkin | 84fbd72 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 104 | v->value.string.buf = (uint8_t *)buffer; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 105 | } |
| 106 | v->value.string.size = size; |
| 107 | v->type = ATV_STRING; |
| 108 | } |
| 109 | return v; |
| 110 | } else { |
| 111 | errno = EINVAL; |
| 112 | return NULL; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | asn1p_value_t * |
| 117 | asn1p_value_fromdouble(double d) { |
| 118 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 119 | if(v) { |
| 120 | v->value.v_double = d; |
| 121 | v->type = ATV_REAL; |
| 122 | } |
| 123 | return v; |
| 124 | } |
| 125 | |
| 126 | asn1p_value_t * |
Lev Walkin | d21c505 | 2004-09-29 13:18:09 +0000 | [diff] [blame] | 127 | asn1p_value_fromint(asn1c_integer_t i) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 128 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 129 | if(v) { |
| 130 | v->value.v_integer = i; |
| 131 | v->type = ATV_INTEGER; |
| 132 | } |
| 133 | return v; |
| 134 | } |
| 135 | |
| 136 | asn1p_value_t * |
Lev Walkin | a9532f4 | 2006-09-17 04:52:50 +0000 | [diff] [blame] | 137 | asn1p_value_fromtype(asn1p_expr_t *expr) { |
| 138 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 139 | if(v) { |
| 140 | v->value.v_type = expr; |
| 141 | v->type = ATV_TYPE; |
Bi-Ruei, Chiu | b9adfc5 | 2016-11-09 00:17:25 +0800 | [diff] [blame] | 142 | expr->ref_cnt++; |
Lev Walkin | a9532f4 | 2006-09-17 04:52:50 +0000 | [diff] [blame] | 143 | } |
| 144 | return v; |
| 145 | } |
| 146 | |
| 147 | asn1p_value_t * |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 148 | asn1p_value_clone(asn1p_value_t *v) { |
Lev Walkin | a00d6b3 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 149 | return asn1p_value_clone_with_resolver(v, 0, 0); |
| 150 | } |
| 151 | |
| 152 | asn1p_value_t * |
| 153 | asn1p_value_clone_with_resolver(asn1p_value_t *v, |
| 154 | asn1p_value_t *(*resolver)(asn1p_value_t *, void *rarg), |
| 155 | void *rarg) { |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 156 | asn1p_value_t *clone = NULL; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 157 | if(v) { |
| 158 | switch(v->type) { |
| 159 | case ATV_NOVALUE: |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 160 | case ATV_NULL: |
| 161 | return calloc(1, sizeof(*clone)); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 162 | case ATV_REAL: |
| 163 | return asn1p_value_fromdouble(v->value.v_double); |
Lev Walkin | a9532f4 | 2006-09-17 04:52:50 +0000 | [diff] [blame] | 164 | case ATV_TYPE: |
| 165 | return asn1p_value_fromtype(v->value.v_type); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 166 | case ATV_INTEGER: |
| 167 | case ATV_MIN: |
| 168 | case ATV_MAX: |
| 169 | case ATV_FALSE: |
| 170 | case ATV_TRUE: |
Lev Walkin | 1e448d3 | 2005-03-24 14:26:38 +0000 | [diff] [blame] | 171 | case ATV_TUPLE: |
| 172 | case ATV_QUADRUPLE: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 173 | clone = asn1p_value_fromint(v->value.v_integer); |
| 174 | if(clone) clone->type = v->type; |
| 175 | return clone; |
| 176 | case ATV_STRING: |
Lev Walkin | 84fbd72 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 177 | clone = asn1p_value_frombuf((char *)v->value.string.buf, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 178 | v->value.string.size, 1); |
| 179 | if(clone) clone->type = v->type; |
| 180 | return clone; |
| 181 | case ATV_UNPARSED: |
Lev Walkin | 84fbd72 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 182 | clone = asn1p_value_frombuf((char *)v->value.string.buf, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 183 | v->value.string.size, 1); |
| 184 | if(clone) clone->type = ATV_UNPARSED; |
| 185 | return clone; |
| 186 | case ATV_BITVECTOR: |
Lev Walkin | 774ee7e | 2005-04-13 12:47:35 +0000 | [diff] [blame] | 187 | return asn1p_value_frombits(v->value.binary_vector.bits, |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 188 | v->value.binary_vector.size_in_bits, 1); |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 189 | case ATV_REFERENCED: |
Lev Walkin | a00d6b3 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 190 | if(resolver) { |
| 191 | clone = resolver(v, rarg); |
| 192 | if(clone) return clone; |
| 193 | else if(errno != ESRCH) return NULL; |
| 194 | } |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 195 | return asn1p_value_fromref(v->value.reference, 1); |
Lev Walkin | 5045dfa | 2006-03-21 09:41:28 +0000 | [diff] [blame] | 196 | case ATV_VALUESET: |
| 197 | if(resolver) { |
| 198 | clone = resolver(v, rarg); |
| 199 | if(clone) return clone; |
| 200 | else if(errno != ESRCH) return NULL; |
| 201 | } |
| 202 | return asn1p_value_fromconstr(v->value.constraint, 1); |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 203 | case ATV_CHOICE_IDENTIFIER: { |
| 204 | char *id = v->value.choice_identifier.identifier; |
| 205 | clone = calloc(1, sizeof(*clone)); |
| 206 | if(!clone) return NULL; |
| 207 | clone->type = v->type; |
| 208 | id = strdup(id); |
| 209 | if(!id) { asn1p_value_free(clone); return NULL; } |
| 210 | clone->value.choice_identifier.identifier = id; |
| 211 | v = asn1p_value_clone(v->value.choice_identifier.value); |
| 212 | if(!v) { asn1p_value_free(clone); return NULL; } |
| 213 | clone->value.choice_identifier.value = v; |
| 214 | return clone; |
| 215 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 216 | } |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 217 | |
| 218 | assert(!"UNREACHABLE"); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 219 | } |
| 220 | return v; |
| 221 | } |
| 222 | |
| 223 | void |
| 224 | asn1p_value_free(asn1p_value_t *v) { |
| 225 | if(v) { |
| 226 | switch(v->type) { |
| 227 | case ATV_NOVALUE: |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 228 | case ATV_NULL: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 229 | break; |
Lev Walkin | a9532f4 | 2006-09-17 04:52:50 +0000 | [diff] [blame] | 230 | case ATV_TYPE: |
| 231 | asn1p_expr_free(v->value.v_type); |
| 232 | break; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 233 | case ATV_REAL: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 234 | case ATV_INTEGER: |
| 235 | case ATV_MIN: |
| 236 | case ATV_MAX: |
| 237 | case ATV_FALSE: |
| 238 | case ATV_TRUE: |
Lev Walkin | 1e448d3 | 2005-03-24 14:26:38 +0000 | [diff] [blame] | 239 | case ATV_TUPLE: |
| 240 | case ATV_QUADRUPLE: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 241 | /* No freeing necessary */ |
| 242 | break; |
| 243 | case ATV_STRING: |
| 244 | case ATV_UNPARSED: |
| 245 | assert(v->value.string.buf); |
| 246 | free(v->value.string.buf); |
| 247 | break; |
| 248 | case ATV_BITVECTOR: |
| 249 | assert(v->value.binary_vector.bits); |
| 250 | free(v->value.binary_vector.bits); |
| 251 | break; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 252 | case ATV_REFERENCED: |
| 253 | asn1p_ref_free(v->value.reference); |
| 254 | break; |
Lev Walkin | 5045dfa | 2006-03-21 09:41:28 +0000 | [diff] [blame] | 255 | case ATV_VALUESET: |
| 256 | asn1p_constraint_free(v->value.constraint); |
| 257 | break; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 258 | case ATV_CHOICE_IDENTIFIER: |
| 259 | free(v->value.choice_identifier.identifier); |
| 260 | asn1p_value_free(v->value.choice_identifier.value); |
| 261 | break; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 262 | } |
Bi-Ruei, Chiu | b9adfc5 | 2016-11-09 00:17:25 +0800 | [diff] [blame] | 263 | memset(v, 0, sizeof(*v)); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 264 | free(v); |
| 265 | } |
| 266 | } |
| 267 | |