diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/tasn_fre.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/tasn_fre.c | 149 |
1 files changed, 93 insertions, 56 deletions
diff --git a/src/lib/libcrypto/asn1/tasn_fre.c b/src/lib/libcrypto/asn1/tasn_fre.c index 2dd844159e..bb7c1e2af4 100644 --- a/src/lib/libcrypto/asn1/tasn_fre.c +++ b/src/lib/libcrypto/asn1/tasn_fre.c | |||
| @@ -67,33 +67,40 @@ static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int c | |||
| 67 | /* Free up an ASN1 structure */ | 67 | /* Free up an ASN1 structure */ |
| 68 | 68 | ||
| 69 | void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it) | 69 | void ASN1_item_free(ASN1_VALUE *val, const ASN1_ITEM *it) |
| 70 | { | 70 | { |
| 71 | asn1_item_combine_free(&val, it, 0); | 71 | asn1_item_combine_free(&val, it, 0); |
| 72 | } | 72 | } |
| 73 | 73 | ||
| 74 | void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | 74 | void ASN1_item_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it) |
| 75 | { | 75 | { |
| 76 | asn1_item_combine_free(pval, it, 0); | 76 | asn1_item_combine_free(pval, it, 0); |
| 77 | } | 77 | } |
| 78 | 78 | ||
| 79 | static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine) | 79 | static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine) |
| 80 | { | 80 | { |
| 81 | const ASN1_TEMPLATE *tt = NULL, *seqtt; | 81 | const ASN1_TEMPLATE *tt = NULL, *seqtt; |
| 82 | const ASN1_EXTERN_FUNCS *ef; | 82 | const ASN1_EXTERN_FUNCS *ef; |
| 83 | const ASN1_COMPAT_FUNCS *cf; | 83 | const ASN1_COMPAT_FUNCS *cf; |
| 84 | const ASN1_AUX *aux = it->funcs; | 84 | const ASN1_AUX *aux = it->funcs; |
| 85 | ASN1_aux_cb *asn1_cb; | 85 | ASN1_aux_cb *asn1_cb; |
| 86 | int i; | 86 | int i; |
| 87 | if(!pval) return; | 87 | if (!pval) |
| 88 | if((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval) return; | 88 | return; |
| 89 | if(aux && aux->asn1_cb) asn1_cb = aux->asn1_cb; | 89 | if ((it->itype != ASN1_ITYPE_PRIMITIVE) && !*pval) |
| 90 | else asn1_cb = 0; | 90 | return; |
| 91 | if (aux && aux->asn1_cb) | ||
| 92 | asn1_cb = aux->asn1_cb; | ||
| 93 | else | ||
| 94 | asn1_cb = 0; | ||
| 91 | 95 | ||
| 92 | switch(it->itype) { | 96 | switch(it->itype) |
| 97 | { | ||
| 93 | 98 | ||
| 94 | case ASN1_ITYPE_PRIMITIVE: | 99 | case ASN1_ITYPE_PRIMITIVE: |
| 95 | if(it->templates) ASN1_template_free(pval, it->templates); | 100 | if (it->templates) |
| 96 | else ASN1_primitive_free(pval, it); | 101 | ASN1_template_free(pval, it->templates); |
| 102 | else | ||
| 103 | ASN1_primitive_free(pval, it); | ||
| 97 | break; | 104 | break; |
| 98 | 105 | ||
| 99 | case ASN1_ITYPE_MSTRING: | 106 | case ASN1_ITYPE_MSTRING: |
| @@ -101,41 +108,51 @@ static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int c | |||
| 101 | break; | 108 | break; |
| 102 | 109 | ||
| 103 | case ASN1_ITYPE_CHOICE: | 110 | case ASN1_ITYPE_CHOICE: |
| 104 | if(asn1_cb) { | 111 | if (asn1_cb) |
| 112 | { | ||
| 105 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it); | 113 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it); |
| 106 | if(i == 2) return; | 114 | if (i == 2) |
| 107 | } | 115 | return; |
| 116 | } | ||
| 108 | i = asn1_get_choice_selector(pval, it); | 117 | i = asn1_get_choice_selector(pval, it); |
| 109 | if(asn1_cb) asn1_cb(ASN1_OP_FREE_PRE, pval, it); | 118 | if ((i >= 0) && (i < it->tcount)) |
| 110 | if((i >= 0) && (i < it->tcount)) { | 119 | { |
| 111 | ASN1_VALUE **pchval; | 120 | ASN1_VALUE **pchval; |
| 112 | tt = it->templates + i; | 121 | tt = it->templates + i; |
| 113 | pchval = asn1_get_field_ptr(pval, tt); | 122 | pchval = asn1_get_field_ptr(pval, tt); |
| 114 | ASN1_template_free(pchval, tt); | 123 | ASN1_template_free(pchval, tt); |
| 115 | } | 124 | } |
| 116 | if(asn1_cb) asn1_cb(ASN1_OP_FREE_POST, pval, it); | 125 | if (asn1_cb) |
| 117 | if(!combine) { | 126 | asn1_cb(ASN1_OP_FREE_POST, pval, it); |
| 127 | if (!combine) | ||
| 128 | { | ||
| 118 | OPENSSL_free(*pval); | 129 | OPENSSL_free(*pval); |
| 119 | *pval = NULL; | 130 | *pval = NULL; |
| 120 | } | 131 | } |
| 121 | break; | 132 | break; |
| 122 | 133 | ||
| 123 | case ASN1_ITYPE_COMPAT: | 134 | case ASN1_ITYPE_COMPAT: |
| 124 | cf = it->funcs; | 135 | cf = it->funcs; |
| 125 | if(cf && cf->asn1_free) cf->asn1_free(*pval); | 136 | if (cf && cf->asn1_free) |
| 137 | cf->asn1_free(*pval); | ||
| 126 | break; | 138 | break; |
| 127 | 139 | ||
| 128 | case ASN1_ITYPE_EXTERN: | 140 | case ASN1_ITYPE_EXTERN: |
| 129 | ef = it->funcs; | 141 | ef = it->funcs; |
| 130 | if(ef && ef->asn1_ex_free) ef->asn1_ex_free(pval, it); | 142 | if (ef && ef->asn1_ex_free) |
| 143 | ef->asn1_ex_free(pval, it); | ||
| 131 | break; | 144 | break; |
| 132 | 145 | ||
| 146 | case ASN1_ITYPE_NDEF_SEQUENCE: | ||
| 133 | case ASN1_ITYPE_SEQUENCE: | 147 | case ASN1_ITYPE_SEQUENCE: |
| 134 | if(asn1_do_lock(pval, -1, it) > 0) return; | 148 | if (asn1_do_lock(pval, -1, it) > 0) |
| 135 | if(asn1_cb) { | 149 | return; |
| 150 | if (asn1_cb) | ||
| 151 | { | ||
| 136 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it); | 152 | i = asn1_cb(ASN1_OP_FREE_PRE, pval, it); |
| 137 | if(i == 2) return; | 153 | if (i == 2) |
| 138 | } | 154 | return; |
| 155 | } | ||
| 139 | asn1_enc_free(pval, it); | 156 | asn1_enc_free(pval, it); |
| 140 | /* If we free up as normal we will invalidate any | 157 | /* If we free up as normal we will invalidate any |
| 141 | * ANY DEFINED BY field and we wont be able to | 158 | * ANY DEFINED BY field and we wont be able to |
| @@ -143,64 +160,84 @@ static void asn1_item_combine_free(ASN1_VALUE **pval, const ASN1_ITEM *it, int c | |||
| 143 | * free up in reverse order. | 160 | * free up in reverse order. |
| 144 | */ | 161 | */ |
| 145 | tt = it->templates + it->tcount - 1; | 162 | tt = it->templates + it->tcount - 1; |
| 146 | for(i = 0; i < it->tcount; tt--, i++) { | 163 | for (i = 0; i < it->tcount; tt--, i++) |
| 164 | { | ||
| 147 | ASN1_VALUE **pseqval; | 165 | ASN1_VALUE **pseqval; |
| 148 | seqtt = asn1_do_adb(pval, tt, 0); | 166 | seqtt = asn1_do_adb(pval, tt, 0); |
| 149 | if(!seqtt) continue; | 167 | if (!seqtt) |
| 168 | continue; | ||
| 150 | pseqval = asn1_get_field_ptr(pval, seqtt); | 169 | pseqval = asn1_get_field_ptr(pval, seqtt); |
| 151 | ASN1_template_free(pseqval, seqtt); | 170 | ASN1_template_free(pseqval, seqtt); |
| 152 | } | 171 | } |
| 153 | if(asn1_cb) asn1_cb(ASN1_OP_FREE_POST, pval, it); | 172 | if (asn1_cb) |
| 154 | if(!combine) { | 173 | asn1_cb(ASN1_OP_FREE_POST, pval, it); |
| 174 | if (!combine) | ||
| 175 | { | ||
| 155 | OPENSSL_free(*pval); | 176 | OPENSSL_free(*pval); |
| 156 | *pval = NULL; | 177 | *pval = NULL; |
| 157 | } | 178 | } |
| 158 | break; | 179 | break; |
| 180 | } | ||
| 159 | } | 181 | } |
| 160 | } | ||
| 161 | 182 | ||
| 162 | void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | 183 | void ASN1_template_free(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) |
| 163 | { | 184 | { |
| 164 | int i; | 185 | int i; |
| 165 | if(tt->flags & ASN1_TFLG_SK_MASK) { | 186 | if (tt->flags & ASN1_TFLG_SK_MASK) |
| 187 | { | ||
| 166 | STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval; | 188 | STACK_OF(ASN1_VALUE) *sk = (STACK_OF(ASN1_VALUE) *)*pval; |
| 167 | for(i = 0; i < sk_ASN1_VALUE_num(sk); i++) { | 189 | for (i = 0; i < sk_ASN1_VALUE_num(sk); i++) |
| 190 | { | ||
| 168 | ASN1_VALUE *vtmp; | 191 | ASN1_VALUE *vtmp; |
| 169 | vtmp = sk_ASN1_VALUE_value(sk, i); | 192 | vtmp = sk_ASN1_VALUE_value(sk, i); |
| 170 | asn1_item_combine_free(&vtmp, ASN1_ITEM_ptr(tt->item), 0); | 193 | asn1_item_combine_free(&vtmp, ASN1_ITEM_ptr(tt->item), |
| 171 | } | 194 | 0); |
| 195 | } | ||
| 172 | sk_ASN1_VALUE_free(sk); | 196 | sk_ASN1_VALUE_free(sk); |
| 173 | *pval = NULL; | 197 | *pval = NULL; |
| 174 | } else asn1_item_combine_free(pval, ASN1_ITEM_ptr(tt->item), | 198 | } |
| 199 | else | ||
| 200 | asn1_item_combine_free(pval, ASN1_ITEM_ptr(tt->item), | ||
| 175 | tt->flags & ASN1_TFLG_COMBINE); | 201 | tt->flags & ASN1_TFLG_COMBINE); |
| 176 | } | 202 | } |
| 177 | 203 | ||
| 178 | void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | 204 | void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it) |
| 179 | { | 205 | { |
| 180 | int utype; | 206 | int utype; |
| 181 | if(it) { | 207 | if (it) |
| 208 | { | ||
| 182 | const ASN1_PRIMITIVE_FUNCS *pf; | 209 | const ASN1_PRIMITIVE_FUNCS *pf; |
| 183 | pf = it->funcs; | 210 | pf = it->funcs; |
| 184 | if(pf && pf->prim_free) { | 211 | if (pf && pf->prim_free) |
| 212 | { | ||
| 185 | pf->prim_free(pval, it); | 213 | pf->prim_free(pval, it); |
| 186 | return; | 214 | return; |
| 215 | } | ||
| 187 | } | 216 | } |
| 188 | } | ||
| 189 | /* Special case: if 'it' is NULL free contents of ASN1_TYPE */ | 217 | /* Special case: if 'it' is NULL free contents of ASN1_TYPE */ |
| 190 | if(!it) { | 218 | if (!it) |
| 219 | { | ||
| 191 | ASN1_TYPE *typ = (ASN1_TYPE *)*pval; | 220 | ASN1_TYPE *typ = (ASN1_TYPE *)*pval; |
| 192 | utype = typ->type; | 221 | utype = typ->type; |
| 193 | pval = (ASN1_VALUE **)&typ->value.ptr; | 222 | pval = &typ->value.asn1_value; |
| 194 | if(!*pval) return; | 223 | if (!*pval) |
| 195 | } else if(it->itype == ASN1_ITYPE_MSTRING) { | 224 | return; |
| 225 | } | ||
| 226 | else if (it->itype == ASN1_ITYPE_MSTRING) | ||
| 227 | { | ||
| 196 | utype = -1; | 228 | utype = -1; |
| 197 | if(!*pval) return; | 229 | if (!*pval) |
| 198 | } else { | 230 | return; |
| 231 | } | ||
| 232 | else | ||
| 233 | { | ||
| 199 | utype = it->utype; | 234 | utype = it->utype; |
| 200 | if((utype != V_ASN1_BOOLEAN) && !*pval) return; | 235 | if ((utype != V_ASN1_BOOLEAN) && !*pval) |
| 201 | } | 236 | return; |
| 237 | } | ||
| 202 | 238 | ||
| 203 | switch(utype) { | 239 | switch(utype) |
| 240 | { | ||
| 204 | case V_ASN1_OBJECT: | 241 | case V_ASN1_OBJECT: |
| 205 | ASN1_OBJECT_free((ASN1_OBJECT *)*pval); | 242 | ASN1_OBJECT_free((ASN1_OBJECT *)*pval); |
| 206 | break; | 243 | break; |
| @@ -224,6 +261,6 @@ void ASN1_primitive_free(ASN1_VALUE **pval, const ASN1_ITEM *it) | |||
| 224 | ASN1_STRING_free((ASN1_STRING *)*pval); | 261 | ASN1_STRING_free((ASN1_STRING *)*pval); |
| 225 | *pval = NULL; | 262 | *pval = NULL; |
| 226 | break; | 263 | break; |
| 227 | } | 264 | } |
| 228 | *pval = NULL; | 265 | *pval = NULL; |
| 229 | } | 266 | } |
