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 * |
| 33 | asn1p_value_frombits(uint8_t *bits, int size_in_bits, int do_copy) { |
| 34 | if(bits) { |
| 35 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 36 | assert(size_in_bits >= 0); |
| 37 | if(v) { |
| 38 | if(do_copy) { |
| 39 | int size = ((size_in_bits + 7) >> 3); |
| 40 | void *p; |
| 41 | p = malloc(size + 1); |
| 42 | if(p) { |
| 43 | memcpy(p, bits, size); |
| 44 | ((char *)p)[size] = '\0'; /* JIC */ |
| 45 | } else { |
| 46 | free(v); |
| 47 | return NULL; |
| 48 | } |
| 49 | v->value.binary_vector.bits = p; |
| 50 | } else { |
| 51 | v->value.binary_vector.bits = (void *)bits; |
| 52 | } |
| 53 | v->value.binary_vector.size_in_bits = size_in_bits; |
| 54 | v->type = ATV_BITVECTOR; |
| 55 | } |
| 56 | return v; |
| 57 | } else { |
| 58 | errno = EINVAL; |
| 59 | return NULL; |
| 60 | } |
| 61 | } |
| 62 | asn1p_value_t * |
| 63 | asn1p_value_frombuf(char *buffer, int size, int do_copy) { |
| 64 | if(buffer) { |
| 65 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 66 | assert(size >= 0); |
| 67 | if(v) { |
| 68 | if(do_copy) { |
| 69 | void *p = malloc(size + 1); |
| 70 | if(p) { |
| 71 | memcpy(p, buffer, size); |
| 72 | ((char *)p)[size] = '\0'; /* JIC */ |
| 73 | } else { |
| 74 | free(v); |
| 75 | return NULL; |
| 76 | } |
| 77 | v->value.string.buf = p; |
| 78 | } else { |
| 79 | v->value.string.buf = buffer; |
| 80 | } |
| 81 | v->value.string.size = size; |
| 82 | v->type = ATV_STRING; |
| 83 | } |
| 84 | return v; |
| 85 | } else { |
| 86 | errno = EINVAL; |
| 87 | return NULL; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | asn1p_value_t * |
| 92 | asn1p_value_fromdouble(double d) { |
| 93 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 94 | if(v) { |
| 95 | v->value.v_double = d; |
| 96 | v->type = ATV_REAL; |
| 97 | } |
| 98 | return v; |
| 99 | } |
| 100 | |
| 101 | asn1p_value_t * |
Lev Walkin | d21c505 | 2004-09-29 13:18:09 +0000 | [diff] [blame] | 102 | asn1p_value_fromint(asn1c_integer_t i) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 103 | asn1p_value_t *v = calloc(1, sizeof *v); |
| 104 | if(v) { |
| 105 | v->value.v_integer = i; |
| 106 | v->type = ATV_INTEGER; |
| 107 | } |
| 108 | return v; |
| 109 | } |
| 110 | |
| 111 | asn1p_value_t * |
| 112 | asn1p_value_clone(asn1p_value_t *v) { |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 113 | asn1p_value_t *clone = NULL; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 114 | if(v) { |
| 115 | switch(v->type) { |
| 116 | case ATV_NOVALUE: |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 117 | case ATV_NULL: |
| 118 | return calloc(1, sizeof(*clone)); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 119 | case ATV_REAL: |
| 120 | return asn1p_value_fromdouble(v->value.v_double); |
| 121 | case ATV_INTEGER: |
| 122 | case ATV_MIN: |
| 123 | case ATV_MAX: |
| 124 | case ATV_FALSE: |
| 125 | case ATV_TRUE: |
Lev Walkin | 1e448d3 | 2005-03-24 14:26:38 +0000 | [diff] [blame] | 126 | case ATV_TUPLE: |
| 127 | case ATV_QUADRUPLE: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 128 | clone = asn1p_value_fromint(v->value.v_integer); |
| 129 | if(clone) clone->type = v->type; |
| 130 | return clone; |
| 131 | case ATV_STRING: |
| 132 | clone = asn1p_value_frombuf(v->value.string.buf, |
| 133 | v->value.string.size, 1); |
| 134 | if(clone) clone->type = v->type; |
| 135 | return clone; |
| 136 | case ATV_UNPARSED: |
| 137 | clone = asn1p_value_frombuf(v->value.string.buf, |
| 138 | v->value.string.size, 1); |
| 139 | if(clone) clone->type = ATV_UNPARSED; |
| 140 | return clone; |
| 141 | case ATV_BITVECTOR: |
| 142 | return asn1p_value_frombuf(v->value.binary_vector.bits, |
| 143 | v->value.binary_vector.size_in_bits, 1); |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 144 | case ATV_REFERENCED: |
| 145 | return asn1p_value_fromref(v->value.reference, 1); |
| 146 | case ATV_CHOICE_IDENTIFIER: { |
| 147 | char *id = v->value.choice_identifier.identifier; |
| 148 | clone = calloc(1, sizeof(*clone)); |
| 149 | if(!clone) return NULL; |
| 150 | clone->type = v->type; |
| 151 | id = strdup(id); |
| 152 | if(!id) { asn1p_value_free(clone); return NULL; } |
| 153 | clone->value.choice_identifier.identifier = id; |
| 154 | v = asn1p_value_clone(v->value.choice_identifier.value); |
| 155 | if(!v) { asn1p_value_free(clone); return NULL; } |
| 156 | clone->value.choice_identifier.value = v; |
| 157 | return clone; |
| 158 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 159 | } |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 160 | |
| 161 | assert(!"UNREACHABLE"); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 162 | } |
| 163 | return v; |
| 164 | } |
| 165 | |
| 166 | void |
| 167 | asn1p_value_free(asn1p_value_t *v) { |
| 168 | if(v) { |
| 169 | switch(v->type) { |
| 170 | case ATV_NOVALUE: |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 171 | case ATV_NULL: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 172 | break; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 173 | case ATV_REAL: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 174 | case ATV_INTEGER: |
| 175 | case ATV_MIN: |
| 176 | case ATV_MAX: |
| 177 | case ATV_FALSE: |
| 178 | case ATV_TRUE: |
Lev Walkin | 1e448d3 | 2005-03-24 14:26:38 +0000 | [diff] [blame] | 179 | case ATV_TUPLE: |
| 180 | case ATV_QUADRUPLE: |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 181 | /* No freeing necessary */ |
| 182 | break; |
| 183 | case ATV_STRING: |
| 184 | case ATV_UNPARSED: |
| 185 | assert(v->value.string.buf); |
| 186 | free(v->value.string.buf); |
| 187 | break; |
| 188 | case ATV_BITVECTOR: |
| 189 | assert(v->value.binary_vector.bits); |
| 190 | free(v->value.binary_vector.bits); |
| 191 | break; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 192 | case ATV_REFERENCED: |
| 193 | asn1p_ref_free(v->value.reference); |
| 194 | break; |
| 195 | case ATV_CHOICE_IDENTIFIER: |
| 196 | free(v->value.choice_identifier.identifier); |
| 197 | asn1p_value_free(v->value.choice_identifier.value); |
| 198 | break; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 199 | } |
| 200 | free(v); |
| 201 | } |
| 202 | } |
| 203 | |