vlm | fa67ddc | 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 * |
vlm | dfbff8c | 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 * |
vlm | fa67ddc | 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 | } |
| 86 | asn1p_value_t * |
| 87 | asn1p_value_frombuf(char *buffer, int size, int do_copy) { |
| 88 | if(buffer) { |
| 89 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 90 | assert(size >= 0); |
| 91 | if(v) { |
| 92 | if(do_copy) { |
| 93 | void *p = malloc(size + 1); |
| 94 | if(p) { |
| 95 | memcpy(p, buffer, size); |
| 96 | ((char *)p)[size] = '\0'; /* JIC */ |
| 97 | } else { |
| 98 | free(v); |
| 99 | return NULL; |
| 100 | } |
| 101 | v->value.string.buf = p; |
| 102 | } else { |
vlm | 55289c1 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 103 | v->value.string.buf = (uint8_t *)buffer; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 104 | } |
| 105 | v->value.string.size = size; |
| 106 | v->type = ATV_STRING; |
| 107 | } |
| 108 | return v; |
| 109 | } else { |
| 110 | errno = EINVAL; |
| 111 | return NULL; |
| 112 | } |
| 113 | } |
| 114 | |
| 115 | asn1p_value_t * |
| 116 | asn1p_value_fromdouble(double d) { |
| 117 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 118 | if(v) { |
| 119 | v->value.v_double = d; |
| 120 | v->type = ATV_REAL; |
| 121 | } |
| 122 | return v; |
| 123 | } |
| 124 | |
| 125 | asn1p_value_t * |
vlm | ec6acd4 | 2004-09-29 13:18:09 +0000 | [diff] [blame] | 126 | asn1p_value_fromint(asn1c_integer_t i) { |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 127 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 128 | if(v) { |
| 129 | v->value.v_integer = i; |
| 130 | v->type = ATV_INTEGER; |
| 131 | } |
| 132 | return v; |
| 133 | } |
| 134 | |
| 135 | asn1p_value_t * |
| 136 | asn1p_value_clone(asn1p_value_t *v) { |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 137 | return asn1p_value_clone_with_resolver(v, 0, 0); |
| 138 | } |
| 139 | |
| 140 | asn1p_value_t * |
| 141 | asn1p_value_clone_with_resolver(asn1p_value_t *v, |
| 142 | asn1p_value_t *(*resolver)(asn1p_value_t *, void *rarg), |
| 143 | void *rarg) { |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 144 | asn1p_value_t *clone = NULL; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 145 | if(v) { |
| 146 | switch(v->type) { |
| 147 | case ATV_NOVALUE: |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 148 | case ATV_NULL: |
| 149 | return calloc(1, sizeof(*clone)); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 150 | case ATV_REAL: |
| 151 | return asn1p_value_fromdouble(v->value.v_double); |
| 152 | case ATV_INTEGER: |
| 153 | case ATV_MIN: |
| 154 | case ATV_MAX: |
| 155 | case ATV_FALSE: |
| 156 | case ATV_TRUE: |
vlm | e1e6ed8 | 2005-03-24 14:26:38 +0000 | [diff] [blame] | 157 | case ATV_TUPLE: |
| 158 | case ATV_QUADRUPLE: |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 159 | clone = asn1p_value_fromint(v->value.v_integer); |
| 160 | if(clone) clone->type = v->type; |
| 161 | return clone; |
| 162 | case ATV_STRING: |
vlm | 55289c1 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 163 | clone = asn1p_value_frombuf((char *)v->value.string.buf, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 164 | v->value.string.size, 1); |
| 165 | if(clone) clone->type = v->type; |
| 166 | return clone; |
| 167 | case ATV_UNPARSED: |
vlm | 55289c1 | 2005-06-15 18:41:50 +0000 | [diff] [blame] | 168 | clone = asn1p_value_frombuf((char *)v->value.string.buf, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 169 | v->value.string.size, 1); |
| 170 | if(clone) clone->type = ATV_UNPARSED; |
| 171 | return clone; |
| 172 | case ATV_BITVECTOR: |
vlm | 938c104 | 2005-04-13 12:47:35 +0000 | [diff] [blame] | 173 | return asn1p_value_frombits(v->value.binary_vector.bits, |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 174 | v->value.binary_vector.size_in_bits, 1); |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 175 | case ATV_REFERENCED: |
vlm | 0c6d381 | 2006-03-21 03:40:38 +0000 | [diff] [blame] | 176 | if(resolver) { |
| 177 | clone = resolver(v, rarg); |
| 178 | if(clone) return clone; |
| 179 | else if(errno != ESRCH) return NULL; |
| 180 | } |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 181 | return asn1p_value_fromref(v->value.reference, 1); |
vlm | dfbff8c | 2006-03-21 09:41:28 +0000 | [diff] [blame] | 182 | case ATV_VALUESET: |
| 183 | if(resolver) { |
| 184 | clone = resolver(v, rarg); |
| 185 | if(clone) return clone; |
| 186 | else if(errno != ESRCH) return NULL; |
| 187 | } |
| 188 | return asn1p_value_fromconstr(v->value.constraint, 1); |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 189 | case ATV_CHOICE_IDENTIFIER: { |
| 190 | char *id = v->value.choice_identifier.identifier; |
| 191 | clone = calloc(1, sizeof(*clone)); |
| 192 | if(!clone) return NULL; |
| 193 | clone->type = v->type; |
| 194 | id = strdup(id); |
| 195 | if(!id) { asn1p_value_free(clone); return NULL; } |
| 196 | clone->value.choice_identifier.identifier = id; |
| 197 | v = asn1p_value_clone(v->value.choice_identifier.value); |
| 198 | if(!v) { asn1p_value_free(clone); return NULL; } |
| 199 | clone->value.choice_identifier.value = v; |
| 200 | return clone; |
| 201 | } |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 202 | } |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 203 | |
| 204 | assert(!"UNREACHABLE"); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 205 | } |
| 206 | return v; |
| 207 | } |
| 208 | |
| 209 | void |
| 210 | asn1p_value_free(asn1p_value_t *v) { |
| 211 | if(v) { |
| 212 | switch(v->type) { |
| 213 | case ATV_NOVALUE: |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 214 | case ATV_NULL: |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 215 | break; |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 216 | case ATV_REAL: |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 217 | case ATV_INTEGER: |
| 218 | case ATV_MIN: |
| 219 | case ATV_MAX: |
| 220 | case ATV_FALSE: |
| 221 | case ATV_TRUE: |
vlm | e1e6ed8 | 2005-03-24 14:26:38 +0000 | [diff] [blame] | 222 | case ATV_TUPLE: |
| 223 | case ATV_QUADRUPLE: |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 224 | /* No freeing necessary */ |
| 225 | break; |
| 226 | case ATV_STRING: |
| 227 | case ATV_UNPARSED: |
| 228 | assert(v->value.string.buf); |
| 229 | free(v->value.string.buf); |
| 230 | break; |
| 231 | case ATV_BITVECTOR: |
| 232 | assert(v->value.binary_vector.bits); |
| 233 | free(v->value.binary_vector.bits); |
| 234 | break; |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 235 | case ATV_REFERENCED: |
| 236 | asn1p_ref_free(v->value.reference); |
| 237 | break; |
vlm | dfbff8c | 2006-03-21 09:41:28 +0000 | [diff] [blame] | 238 | case ATV_VALUESET: |
| 239 | asn1p_constraint_free(v->value.constraint); |
| 240 | break; |
vlm | c94e28f | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 241 | case ATV_CHOICE_IDENTIFIER: |
| 242 | free(v->value.choice_identifier.identifier); |
| 243 | asn1p_value_free(v->value.choice_identifier.value); |
| 244 | break; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 245 | } |
| 246 | free(v); |
| 247 | } |
| 248 | } |
| 249 | |