diff options
Diffstat (limited to 'src/lib/libcrypto/asn1/tasn_new.c')
| -rw-r--r-- | src/lib/libcrypto/asn1/tasn_new.c | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/src/lib/libcrypto/asn1/tasn_new.c b/src/lib/libcrypto/asn1/tasn_new.c new file mode 100644 index 0000000000..e33861f864 --- /dev/null +++ b/src/lib/libcrypto/asn1/tasn_new.c | |||
| @@ -0,0 +1,348 @@ | |||
| 1 | /* tasn_new.c */ | ||
| 2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL | ||
| 3 | * project 2000. | ||
| 4 | */ | ||
| 5 | /* ==================================================================== | ||
| 6 | * Copyright (c) 2000 The OpenSSL Project. All rights reserved. | ||
| 7 | * | ||
| 8 | * Redistribution and use in source and binary forms, with or without | ||
| 9 | * modification, are permitted provided that the following conditions | ||
| 10 | * are met: | ||
| 11 | * | ||
| 12 | * 1. Redistributions of source code must retain the above copyright | ||
| 13 | * notice, this list of conditions and the following disclaimer. | ||
| 14 | * | ||
| 15 | * 2. Redistributions in binary form must reproduce the above copyright | ||
| 16 | * notice, this list of conditions and the following disclaimer in | ||
| 17 | * the documentation and/or other materials provided with the | ||
| 18 | * distribution. | ||
| 19 | * | ||
| 20 | * 3. All advertising materials mentioning features or use of this | ||
| 21 | * software must display the following acknowledgment: | ||
| 22 | * "This product includes software developed by the OpenSSL Project | ||
| 23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | ||
| 24 | * | ||
| 25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | ||
| 26 | * endorse or promote products derived from this software without | ||
| 27 | * prior written permission. For written permission, please contact | ||
| 28 | * licensing@OpenSSL.org. | ||
| 29 | * | ||
| 30 | * 5. Products derived from this software may not be called "OpenSSL" | ||
| 31 | * nor may "OpenSSL" appear in their names without prior written | ||
| 32 | * permission of the OpenSSL Project. | ||
| 33 | * | ||
| 34 | * 6. Redistributions of any form whatsoever must retain the following | ||
| 35 | * acknowledgment: | ||
| 36 | * "This product includes software developed by the OpenSSL Project | ||
| 37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | ||
| 38 | * | ||
| 39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | ||
| 40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| 42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | ||
| 43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| 44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | ||
| 45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
| 46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | ||
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | ||
| 48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | ||
| 49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | ||
| 50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| 51 | * ==================================================================== | ||
| 52 | * | ||
| 53 | * This product includes cryptographic software written by Eric Young | ||
| 54 | * (eay@cryptsoft.com). This product includes software written by Tim | ||
| 55 | * Hudson (tjh@cryptsoft.com). | ||
| 56 | * | ||
| 57 | */ | ||
| 58 | |||
| 59 | |||
| 60 | #include <stddef.h> | ||
| 61 | #include <openssl/asn1.h> | ||
| 62 | #include <openssl/objects.h> | ||
| 63 | #include <openssl/err.h> | ||
| 64 | #include <openssl/asn1t.h> | ||
| 65 | #include <string.h> | ||
| 66 | |||
| 67 | static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine); | ||
| 68 | static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it); | ||
| 69 | static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt); | ||
| 70 | void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it); | ||
| 71 | |||
| 72 | ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it) | ||
| 73 | { | ||
| 74 | ASN1_VALUE *ret = NULL; | ||
| 75 | if(ASN1_item_ex_new(&ret, it) > 0) return ret; | ||
| 76 | return NULL; | ||
| 77 | } | ||
| 78 | |||
| 79 | /* Allocate an ASN1 structure */ | ||
| 80 | |||
| 81 | int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 82 | { | ||
| 83 | return asn1_item_ex_combine_new(pval, it, 0); | ||
| 84 | } | ||
| 85 | |||
| 86 | static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it, int combine) | ||
| 87 | { | ||
| 88 | const ASN1_TEMPLATE *tt = NULL; | ||
| 89 | const ASN1_COMPAT_FUNCS *cf; | ||
| 90 | const ASN1_EXTERN_FUNCS *ef; | ||
| 91 | const ASN1_AUX *aux = it->funcs; | ||
| 92 | ASN1_aux_cb *asn1_cb; | ||
| 93 | ASN1_VALUE **pseqval; | ||
| 94 | int i; | ||
| 95 | if(aux && aux->asn1_cb) asn1_cb = aux->asn1_cb; | ||
| 96 | else asn1_cb = 0; | ||
| 97 | |||
| 98 | if(!combine) *pval = NULL; | ||
| 99 | |||
| 100 | #ifdef CRYPTO_MDEBUG | ||
| 101 | if(it->sname) CRYPTO_push_info(it->sname); | ||
| 102 | #endif | ||
| 103 | |||
| 104 | switch(it->itype) { | ||
| 105 | |||
| 106 | case ASN1_ITYPE_EXTERN: | ||
| 107 | ef = it->funcs; | ||
| 108 | if(ef && ef->asn1_ex_new) { | ||
| 109 | if(!ef->asn1_ex_new(pval, it)) | ||
| 110 | goto memerr; | ||
| 111 | } | ||
| 112 | break; | ||
| 113 | |||
| 114 | case ASN1_ITYPE_COMPAT: | ||
| 115 | cf = it->funcs; | ||
| 116 | if(cf && cf->asn1_new) { | ||
| 117 | *pval = cf->asn1_new(); | ||
| 118 | if(!*pval) goto memerr; | ||
| 119 | } | ||
| 120 | break; | ||
| 121 | |||
| 122 | case ASN1_ITYPE_PRIMITIVE: | ||
| 123 | if(it->templates) { | ||
| 124 | if(!ASN1_template_new(pval, it->templates)) | ||
| 125 | goto memerr; | ||
| 126 | } else { | ||
| 127 | if(!ASN1_primitive_new(pval, it)) | ||
| 128 | goto memerr; | ||
| 129 | } | ||
| 130 | break; | ||
| 131 | |||
| 132 | case ASN1_ITYPE_MSTRING: | ||
| 133 | if(!ASN1_primitive_new(pval, it)) | ||
| 134 | goto memerr; | ||
| 135 | break; | ||
| 136 | |||
| 137 | case ASN1_ITYPE_CHOICE: | ||
| 138 | if(asn1_cb) { | ||
| 139 | i = asn1_cb(ASN1_OP_NEW_PRE, pval, it); | ||
| 140 | if(!i) goto auxerr; | ||
| 141 | if(i==2) { | ||
| 142 | #ifdef CRYPTO_MDEBUG | ||
| 143 | if(it->sname) CRYPTO_pop_info(); | ||
| 144 | #endif | ||
| 145 | return 1; | ||
| 146 | } | ||
| 147 | } | ||
| 148 | if(!combine) { | ||
| 149 | *pval = OPENSSL_malloc(it->size); | ||
| 150 | if(!*pval) goto memerr; | ||
| 151 | memset(*pval, 0, it->size); | ||
| 152 | } | ||
| 153 | asn1_set_choice_selector(pval, -1, it); | ||
| 154 | if(asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it)) | ||
| 155 | goto auxerr; | ||
| 156 | break; | ||
| 157 | |||
| 158 | case ASN1_ITYPE_SEQUENCE: | ||
| 159 | if(asn1_cb) { | ||
| 160 | i = asn1_cb(ASN1_OP_NEW_PRE, pval, it); | ||
| 161 | if(!i) goto auxerr; | ||
| 162 | if(i==2) { | ||
| 163 | #ifdef CRYPTO_MDEBUG | ||
| 164 | if(it->sname) CRYPTO_pop_info(); | ||
| 165 | #endif | ||
| 166 | return 1; | ||
| 167 | } | ||
| 168 | } | ||
| 169 | if(!combine) { | ||
| 170 | *pval = OPENSSL_malloc(it->size); | ||
| 171 | if(!*pval) goto memerr; | ||
| 172 | memset(*pval, 0, it->size); | ||
| 173 | asn1_do_lock(pval, 0, it); | ||
| 174 | asn1_enc_init(pval, it); | ||
| 175 | } | ||
| 176 | for(i = 0, tt = it->templates; i < it->tcount; tt++, i++) { | ||
| 177 | pseqval = asn1_get_field_ptr(pval, tt); | ||
| 178 | if(!ASN1_template_new(pseqval, tt)) goto memerr; | ||
| 179 | } | ||
| 180 | if(asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it)) | ||
| 181 | goto auxerr; | ||
| 182 | break; | ||
| 183 | } | ||
| 184 | #ifdef CRYPTO_MDEBUG | ||
| 185 | if(it->sname) CRYPTO_pop_info(); | ||
| 186 | #endif | ||
| 187 | return 1; | ||
| 188 | |||
| 189 | memerr: | ||
| 190 | ASN1err(ASN1_F_ASN1_ITEM_NEW, ERR_R_MALLOC_FAILURE); | ||
| 191 | #ifdef CRYPTO_MDEBUG | ||
| 192 | if(it->sname) CRYPTO_pop_info(); | ||
| 193 | #endif | ||
| 194 | return 0; | ||
| 195 | |||
| 196 | auxerr: | ||
| 197 | ASN1err(ASN1_F_ASN1_ITEM_NEW, ASN1_R_AUX_ERROR); | ||
| 198 | ASN1_item_ex_free(pval, it); | ||
| 199 | #ifdef CRYPTO_MDEBUG | ||
| 200 | if(it->sname) CRYPTO_pop_info(); | ||
| 201 | #endif | ||
| 202 | return 0; | ||
| 203 | |||
| 204 | } | ||
| 205 | |||
| 206 | static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 207 | { | ||
| 208 | const ASN1_EXTERN_FUNCS *ef; | ||
| 209 | |||
| 210 | switch(it->itype) { | ||
| 211 | |||
| 212 | case ASN1_ITYPE_EXTERN: | ||
| 213 | ef = it->funcs; | ||
| 214 | if(ef && ef->asn1_ex_clear) | ||
| 215 | ef->asn1_ex_clear(pval, it); | ||
| 216 | else *pval = NULL; | ||
| 217 | break; | ||
| 218 | |||
| 219 | |||
| 220 | case ASN1_ITYPE_PRIMITIVE: | ||
| 221 | if(it->templates) | ||
| 222 | asn1_template_clear(pval, it->templates); | ||
| 223 | else | ||
| 224 | asn1_primitive_clear(pval, it); | ||
| 225 | break; | ||
| 226 | |||
| 227 | case ASN1_ITYPE_MSTRING: | ||
| 228 | asn1_primitive_clear(pval, it); | ||
| 229 | break; | ||
| 230 | |||
| 231 | case ASN1_ITYPE_COMPAT: | ||
| 232 | case ASN1_ITYPE_CHOICE: | ||
| 233 | case ASN1_ITYPE_SEQUENCE: | ||
| 234 | *pval = NULL; | ||
| 235 | break; | ||
| 236 | } | ||
| 237 | } | ||
| 238 | |||
| 239 | |||
| 240 | int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | ||
| 241 | { | ||
| 242 | const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item); | ||
| 243 | int ret; | ||
| 244 | if(tt->flags & ASN1_TFLG_OPTIONAL) { | ||
| 245 | asn1_template_clear(pval, tt); | ||
| 246 | return 1; | ||
| 247 | } | ||
| 248 | /* If ANY DEFINED BY nothing to do */ | ||
| 249 | |||
| 250 | if(tt->flags & ASN1_TFLG_ADB_MASK) { | ||
| 251 | *pval = NULL; | ||
| 252 | return 1; | ||
| 253 | } | ||
| 254 | #ifdef CRYPTO_MDEBUG | ||
| 255 | if(tt->field_name) CRYPTO_push_info(tt->field_name); | ||
| 256 | #endif | ||
| 257 | /* If SET OF or SEQUENCE OF, its a STACK */ | ||
| 258 | if(tt->flags & ASN1_TFLG_SK_MASK) { | ||
| 259 | STACK_OF(ASN1_VALUE) *skval; | ||
| 260 | skval = sk_ASN1_VALUE_new_null(); | ||
| 261 | if(!skval) { | ||
| 262 | ASN1err(ASN1_F_ASN1_TEMPLATE_NEW, ERR_R_MALLOC_FAILURE); | ||
| 263 | ret = 0; | ||
| 264 | goto done; | ||
| 265 | } | ||
| 266 | *pval = (ASN1_VALUE *)skval; | ||
| 267 | ret = 1; | ||
| 268 | goto done; | ||
| 269 | } | ||
| 270 | /* Otherwise pass it back to the item routine */ | ||
| 271 | ret = asn1_item_ex_combine_new(pval, it, tt->flags & ASN1_TFLG_COMBINE); | ||
| 272 | done: | ||
| 273 | #ifdef CRYPTO_MDEBUG | ||
| 274 | if(it->sname) CRYPTO_pop_info(); | ||
| 275 | #endif | ||
| 276 | return ret; | ||
| 277 | } | ||
| 278 | |||
| 279 | static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt) | ||
| 280 | { | ||
| 281 | /* If ADB or STACK just NULL the field */ | ||
| 282 | if(tt->flags & (ASN1_TFLG_ADB_MASK|ASN1_TFLG_SK_MASK)) | ||
| 283 | *pval = NULL; | ||
| 284 | else | ||
| 285 | asn1_item_clear(pval, ASN1_ITEM_ptr(tt->item)); | ||
| 286 | } | ||
| 287 | |||
| 288 | |||
| 289 | /* NB: could probably combine most of the real XXX_new() behaviour and junk all the old | ||
| 290 | * functions. | ||
| 291 | */ | ||
| 292 | |||
| 293 | int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 294 | { | ||
| 295 | ASN1_TYPE *typ; | ||
| 296 | int utype; | ||
| 297 | const ASN1_PRIMITIVE_FUNCS *pf; | ||
| 298 | pf = it->funcs; | ||
| 299 | if(pf && pf->prim_new) return pf->prim_new(pval, it); | ||
| 300 | if(!it || (it->itype == ASN1_ITYPE_MSTRING)) utype = -1; | ||
| 301 | else utype = it->utype; | ||
| 302 | switch(utype) { | ||
| 303 | case V_ASN1_OBJECT: | ||
| 304 | *pval = (ASN1_VALUE *)OBJ_nid2obj(NID_undef); | ||
| 305 | return 1; | ||
| 306 | |||
| 307 | case V_ASN1_BOOLEAN: | ||
| 308 | *(ASN1_BOOLEAN *)pval = it->size; | ||
| 309 | return 1; | ||
| 310 | |||
| 311 | case V_ASN1_NULL: | ||
| 312 | *pval = (ASN1_VALUE *)1; | ||
| 313 | return 1; | ||
| 314 | |||
| 315 | case V_ASN1_ANY: | ||
| 316 | typ = OPENSSL_malloc(sizeof(ASN1_TYPE)); | ||
| 317 | if(!typ) return 0; | ||
| 318 | typ->value.ptr = NULL; | ||
| 319 | typ->type = -1; | ||
| 320 | *pval = (ASN1_VALUE *)typ; | ||
| 321 | break; | ||
| 322 | |||
| 323 | default: | ||
| 324 | *pval = (ASN1_VALUE *)ASN1_STRING_type_new(utype); | ||
| 325 | break; | ||
| 326 | } | ||
| 327 | if(*pval) return 1; | ||
| 328 | return 0; | ||
| 329 | } | ||
| 330 | |||
| 331 | void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it) | ||
| 332 | { | ||
| 333 | int utype; | ||
| 334 | const ASN1_PRIMITIVE_FUNCS *pf; | ||
| 335 | pf = it->funcs; | ||
| 336 | if(pf) { | ||
| 337 | if(pf->prim_clear) | ||
| 338 | pf->prim_clear(pval, it); | ||
| 339 | else | ||
| 340 | *pval = NULL; | ||
| 341 | return; | ||
| 342 | } | ||
| 343 | if(!it || (it->itype == ASN1_ITYPE_MSTRING)) utype = -1; | ||
| 344 | else utype = it->utype; | ||
| 345 | if(utype == V_ASN1_BOOLEAN) | ||
| 346 | *(ASN1_BOOLEAN *)pval = it->size; | ||
| 347 | else *pval = NULL; | ||
| 348 | } | ||
