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| 1 /* crypto/x509/x509_att.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 #include <stdio.h> | |
| 60 #include <openssl/stack.h> | |
| 61 #include "cryptlib.h" | |
| 62 #include <openssl/asn1.h> | |
| 63 #include <openssl/objects.h> | |
| 64 #include <openssl/evp.h> | |
| 65 #include <openssl/x509.h> | |
| 66 #include <openssl/x509v3.h> | |
| 67 | |
| 68 int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x) | |
| 69 { | |
| 70 return sk_X509_ATTRIBUTE_num(x); | |
| 71 } | |
| 72 | |
| 73 int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid, | |
| 74 int lastpos) | |
| 75 { | |
| 76 ASN1_OBJECT *obj; | |
| 77 | |
| 78 obj=OBJ_nid2obj(nid); | |
| 79 if (obj == NULL) return(-2); | |
| 80 return(X509at_get_attr_by_OBJ(x,obj,lastpos)); | |
| 81 } | |
| 82 | |
| 83 int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk, ASN1_OBJECT *obj, | |
| 84 int lastpos) | |
| 85 { | |
| 86 int n; | |
| 87 X509_ATTRIBUTE *ex; | |
| 88 | |
| 89 if (sk == NULL) return(-1); | |
| 90 lastpos++; | |
| 91 if (lastpos < 0) | |
| 92 lastpos=0; | |
| 93 n=sk_X509_ATTRIBUTE_num(sk); | |
| 94 for ( ; lastpos < n; lastpos++) | |
| 95 { | |
| 96 ex=sk_X509_ATTRIBUTE_value(sk,lastpos); | |
| 97 if (OBJ_cmp(ex->object,obj) == 0) | |
| 98 return(lastpos); | |
| 99 } | |
| 100 return(-1); | |
| 101 } | |
| 102 | |
| 103 X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc) | |
| 104 { | |
| 105 if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) | |
| 106 return NULL; | |
| 107 else | |
| 108 return sk_X509_ATTRIBUTE_value(x,loc); | |
| 109 } | |
| 110 | |
| 111 X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc) | |
| 112 { | |
| 113 X509_ATTRIBUTE *ret; | |
| 114 | |
| 115 if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) | |
| 116 return(NULL); | |
| 117 ret=sk_X509_ATTRIBUTE_delete(x,loc); | |
| 118 return(ret); | |
| 119 } | |
| 120 | |
| 121 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x, | |
| 122 X509_ATTRIBUTE *attr) | |
| 123 { | |
| 124 X509_ATTRIBUTE *new_attr=NULL; | |
| 125 STACK_OF(X509_ATTRIBUTE) *sk=NULL; | |
| 126 | |
| 127 if (x == NULL) | |
| 128 { | |
| 129 X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER); | |
| 130 goto err2; | |
| 131 } | |
| 132 | |
| 133 if (*x == NULL) | |
| 134 { | |
| 135 if ((sk=sk_X509_ATTRIBUTE_new_null()) == NULL) | |
| 136 goto err; | |
| 137 } | |
| 138 else | |
| 139 sk= *x; | |
| 140 | |
| 141 if ((new_attr=X509_ATTRIBUTE_dup(attr)) == NULL) | |
| 142 goto err2; | |
| 143 if (!sk_X509_ATTRIBUTE_push(sk,new_attr)) | |
| 144 goto err; | |
| 145 if (*x == NULL) | |
| 146 *x=sk; | |
| 147 return(sk); | |
| 148 err: | |
| 149 X509err(X509_F_X509AT_ADD1_ATTR,ERR_R_MALLOC_FAILURE); | |
| 150 err2: | |
| 151 if (new_attr != NULL) X509_ATTRIBUTE_free(new_attr); | |
| 152 if (sk != NULL) sk_X509_ATTRIBUTE_free(sk); | |
| 153 return(NULL); | |
| 154 } | |
| 155 | |
| 156 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) **x, | |
| 157 const ASN1_OBJECT *obj, int type, | |
| 158 const unsigned char *bytes, int len) | |
| 159 { | |
| 160 X509_ATTRIBUTE *attr; | |
| 161 STACK_OF(X509_ATTRIBUTE) *ret; | |
| 162 attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len); | |
| 163 if(!attr) return 0; | |
| 164 ret = X509at_add1_attr(x, attr); | |
| 165 X509_ATTRIBUTE_free(attr); | |
| 166 return ret; | |
| 167 } | |
| 168 | |
| 169 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x, | |
| 170 int nid, int type, | |
| 171 const unsigned char *bytes, int len) | |
| 172 { | |
| 173 X509_ATTRIBUTE *attr; | |
| 174 STACK_OF(X509_ATTRIBUTE) *ret; | |
| 175 attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len); | |
| 176 if(!attr) return 0; | |
| 177 ret = X509at_add1_attr(x, attr); | |
| 178 X509_ATTRIBUTE_free(attr); | |
| 179 return ret; | |
| 180 } | |
| 181 | |
| 182 STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x, | |
| 183 const char *attrname, int type, | |
| 184 const unsigned char *bytes, int len) | |
| 185 { | |
| 186 X509_ATTRIBUTE *attr; | |
| 187 STACK_OF(X509_ATTRIBUTE) *ret; | |
| 188 attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len); | |
| 189 if(!attr) return 0; | |
| 190 ret = X509at_add1_attr(x, attr); | |
| 191 X509_ATTRIBUTE_free(attr); | |
| 192 return ret; | |
| 193 } | |
| 194 | |
| 195 void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x, | |
| 196 ASN1_OBJECT *obj, int lastpos, int type) | |
| 197 { | |
| 198 int i; | |
| 199 X509_ATTRIBUTE *at; | |
| 200 i = X509at_get_attr_by_OBJ(x, obj, lastpos); | |
| 201 if (i == -1) | |
| 202 return NULL; | |
| 203 if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1)) | |
| 204 return NULL; | |
| 205 at = X509at_get_attr(x, i); | |
| 206 if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1)) | |
| 207 return NULL; | |
| 208 return X509_ATTRIBUTE_get0_data(at, 0, type, NULL); | |
| 209 } | |
| 210 | |
| 211 X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid, | |
| 212 int atrtype, const void *data, int len) | |
| 213 { | |
| 214 ASN1_OBJECT *obj; | |
| 215 X509_ATTRIBUTE *ret; | |
| 216 | |
| 217 obj=OBJ_nid2obj(nid); | |
| 218 if (obj == NULL) | |
| 219 { | |
| 220 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID,X509_R_UNKNOWN_NID); | |
| 221 return(NULL); | |
| 222 } | |
| 223 ret=X509_ATTRIBUTE_create_by_OBJ(attr,obj,atrtype,data,len); | |
| 224 if (ret == NULL) ASN1_OBJECT_free(obj); | |
| 225 return(ret); | |
| 226 } | |
| 227 | |
| 228 X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr, | |
| 229 const ASN1_OBJECT *obj, int atrtype, const void *data, int len) | |
| 230 { | |
| 231 X509_ATTRIBUTE *ret; | |
| 232 | |
| 233 if ((attr == NULL) || (*attr == NULL)) | |
| 234 { | |
| 235 if ((ret=X509_ATTRIBUTE_new()) == NULL) | |
| 236 { | |
| 237 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ,ERR_R_MALLOC
_FAILURE); | |
| 238 return(NULL); | |
| 239 } | |
| 240 } | |
| 241 else | |
| 242 ret= *attr; | |
| 243 | |
| 244 if (!X509_ATTRIBUTE_set1_object(ret,obj)) | |
| 245 goto err; | |
| 246 if (!X509_ATTRIBUTE_set1_data(ret,atrtype,data,len)) | |
| 247 goto err; | |
| 248 | |
| 249 if ((attr != NULL) && (*attr == NULL)) *attr=ret; | |
| 250 return(ret); | |
| 251 err: | |
| 252 if ((attr == NULL) || (ret != *attr)) | |
| 253 X509_ATTRIBUTE_free(ret); | |
| 254 return(NULL); | |
| 255 } | |
| 256 | |
| 257 X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr, | |
| 258 const char *atrname, int type, const unsigned char *bytes, int l
en) | |
| 259 { | |
| 260 ASN1_OBJECT *obj; | |
| 261 X509_ATTRIBUTE *nattr; | |
| 262 | |
| 263 obj=OBJ_txt2obj(atrname, 0); | |
| 264 if (obj == NULL) | |
| 265 { | |
| 266 X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT, | |
| 267 X509_R_INVALID_FIELD_NAME); | |
| 268 ERR_add_error_data(2, "name=", atrname); | |
| 269 return(NULL); | |
| 270 } | |
| 271 nattr = X509_ATTRIBUTE_create_by_OBJ(attr,obj,type,bytes,len); | |
| 272 ASN1_OBJECT_free(obj); | |
| 273 return nattr; | |
| 274 } | |
| 275 | |
| 276 int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj) | |
| 277 { | |
| 278 if ((attr == NULL) || (obj == NULL)) | |
| 279 return(0); | |
| 280 ASN1_OBJECT_free(attr->object); | |
| 281 attr->object=OBJ_dup(obj); | |
| 282 return(1); | |
| 283 } | |
| 284 | |
| 285 int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, const void *dat
a, int len) | |
| 286 { | |
| 287 ASN1_TYPE *ttmp; | |
| 288 ASN1_STRING *stmp = NULL; | |
| 289 int atype = 0; | |
| 290 if (!attr) return 0; | |
| 291 if(attrtype & MBSTRING_FLAG) { | |
| 292 stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype, | |
| 293 OBJ_obj2nid(attr->object)); | |
| 294 if(!stmp) { | |
| 295 X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_ASN1_LIB)
; | |
| 296 return 0; | |
| 297 } | |
| 298 atype = stmp->type; | |
| 299 } else if (len != -1){ | |
| 300 if(!(stmp = ASN1_STRING_type_new(attrtype))) goto err; | |
| 301 if(!ASN1_STRING_set(stmp, data, len)) goto err; | |
| 302 atype = attrtype; | |
| 303 } | |
| 304 if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err; | |
| 305 attr->single = 0; | |
| 306 /* This is a bit naughty because the attribute should really have | |
| 307 * at least one value but some types use and zero length SET and | |
| 308 * require this. | |
| 309 */ | |
| 310 if (attrtype == 0) | |
| 311 return 1; | |
| 312 if(!(ttmp = ASN1_TYPE_new())) goto err; | |
| 313 if ((len == -1) && !(attrtype & MBSTRING_FLAG)) | |
| 314 { | |
| 315 if (!ASN1_TYPE_set1(ttmp, attrtype, data)) | |
| 316 goto err; | |
| 317 } | |
| 318 else | |
| 319 ASN1_TYPE_set(ttmp, atype, stmp); | |
| 320 if(!sk_ASN1_TYPE_push(attr->value.set, ttmp)) goto err; | |
| 321 return 1; | |
| 322 err: | |
| 323 X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE); | |
| 324 return 0; | |
| 325 } | |
| 326 | |
| 327 int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr) | |
| 328 { | |
| 329 if(!attr->single) return sk_ASN1_TYPE_num(attr->value.set); | |
| 330 if(attr->value.single) return 1; | |
| 331 return 0; | |
| 332 } | |
| 333 | |
| 334 ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr) | |
| 335 { | |
| 336 if (attr == NULL) return(NULL); | |
| 337 return(attr->object); | |
| 338 } | |
| 339 | |
| 340 void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx, | |
| 341 int atrtype, void *data) | |
| 342 { | |
| 343 ASN1_TYPE *ttmp; | |
| 344 ttmp = X509_ATTRIBUTE_get0_type(attr, idx); | |
| 345 if(!ttmp) return NULL; | |
| 346 if(atrtype != ASN1_TYPE_get(ttmp)){ | |
| 347 X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE); | |
| 348 return NULL; | |
| 349 } | |
| 350 return ttmp->value.ptr; | |
| 351 } | |
| 352 | |
| 353 ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx) | |
| 354 { | |
| 355 if (attr == NULL) return(NULL); | |
| 356 if(idx >= X509_ATTRIBUTE_count(attr)) return NULL; | |
| 357 if(!attr->single) return sk_ASN1_TYPE_value(attr->value.set, idx); | |
| 358 else return attr->value.single; | |
| 359 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master