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| 1 /* x509_trs.c */ | |
| 2 /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL | |
| 3 * project 1999. | |
| 4 */ | |
| 5 /* ==================================================================== | |
| 6 * Copyright (c) 1999 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 #include <stdio.h> | |
| 60 #include "cryptlib.h" | |
| 61 #include <openssl/x509v3.h> | |
| 62 | |
| 63 | |
| 64 static int tr_cmp(const X509_TRUST * const *a, | |
| 65 const X509_TRUST * const *b); | |
| 66 static void trtable_free(X509_TRUST *p); | |
| 67 | |
| 68 static int trust_1oidany(X509_TRUST *trust, X509 *x, int flags); | |
| 69 static int trust_1oid(X509_TRUST *trust, X509 *x, int flags); | |
| 70 static int trust_compat(X509_TRUST *trust, X509 *x, int flags); | |
| 71 | |
| 72 static int obj_trust(int id, X509 *x, int flags); | |
| 73 static int (*default_trust)(int id, X509 *x, int flags) = obj_trust; | |
| 74 | |
| 75 /* WARNING: the following table should be kept in order of trust | |
| 76 * and without any gaps so we can just subtract the minimum trust | |
| 77 * value to get an index into the table | |
| 78 */ | |
| 79 | |
| 80 static X509_TRUST trstandard[] = { | |
| 81 {X509_TRUST_COMPAT, 0, trust_compat, "compatible", 0, NULL}, | |
| 82 {X509_TRUST_SSL_CLIENT, 0, trust_1oidany, "SSL Client", NID_client_auth, NULL}, | |
| 83 {X509_TRUST_SSL_SERVER, 0, trust_1oidany, "SSL Server", NID_server_auth, NULL}, | |
| 84 {X509_TRUST_EMAIL, 0, trust_1oidany, "S/MIME email", NID_email_protect, NULL}, | |
| 85 {X509_TRUST_OBJECT_SIGN, 0, trust_1oidany, "Object Signer", NID_code_sign, NULL}
, | |
| 86 {X509_TRUST_OCSP_SIGN, 0, trust_1oid, "OCSP responder", NID_OCSP_sign, NULL}, | |
| 87 {X509_TRUST_OCSP_REQUEST, 0, trust_1oid, "OCSP request", NID_ad_OCSP, NULL}, | |
| 88 {X509_TRUST_TSA, 0, trust_1oidany, "TSA server", NID_time_stamp, NULL} | |
| 89 }; | |
| 90 | |
| 91 #define X509_TRUST_COUNT (sizeof(trstandard)/sizeof(X509_TRUST)) | |
| 92 | |
| 93 IMPLEMENT_STACK_OF(X509_TRUST) | |
| 94 | |
| 95 static STACK_OF(X509_TRUST) *trtable = NULL; | |
| 96 | |
| 97 static int tr_cmp(const X509_TRUST * const *a, | |
| 98 const X509_TRUST * const *b) | |
| 99 { | |
| 100 return (*a)->trust - (*b)->trust; | |
| 101 } | |
| 102 | |
| 103 int (*X509_TRUST_set_default(int (*trust)(int , X509 *, int)))(int, X509 *, int) | |
| 104 { | |
| 105 int (*oldtrust)(int , X509 *, int); | |
| 106 oldtrust = default_trust; | |
| 107 default_trust = trust; | |
| 108 return oldtrust; | |
| 109 } | |
| 110 | |
| 111 | |
| 112 int X509_check_trust(X509 *x, int id, int flags) | |
| 113 { | |
| 114 X509_TRUST *pt; | |
| 115 int idx; | |
| 116 if(id == -1) return 1; | |
| 117 idx = X509_TRUST_get_by_id(id); | |
| 118 if(idx == -1) return default_trust(id, x, flags); | |
| 119 pt = X509_TRUST_get0(idx); | |
| 120 return pt->check_trust(pt, x, flags); | |
| 121 } | |
| 122 | |
| 123 int X509_TRUST_get_count(void) | |
| 124 { | |
| 125 if(!trtable) return X509_TRUST_COUNT; | |
| 126 return sk_X509_TRUST_num(trtable) + X509_TRUST_COUNT; | |
| 127 } | |
| 128 | |
| 129 X509_TRUST * X509_TRUST_get0(int idx) | |
| 130 { | |
| 131 if(idx < 0) return NULL; | |
| 132 if(idx < (int)X509_TRUST_COUNT) return trstandard + idx; | |
| 133 return sk_X509_TRUST_value(trtable, idx - X509_TRUST_COUNT); | |
| 134 } | |
| 135 | |
| 136 int X509_TRUST_get_by_id(int id) | |
| 137 { | |
| 138 X509_TRUST tmp; | |
| 139 int idx; | |
| 140 if((id >= X509_TRUST_MIN) && (id <= X509_TRUST_MAX)) | |
| 141 return id - X509_TRUST_MIN; | |
| 142 tmp.trust = id; | |
| 143 if(!trtable) return -1; | |
| 144 idx = sk_X509_TRUST_find(trtable, &tmp); | |
| 145 if(idx == -1) return -1; | |
| 146 return idx + X509_TRUST_COUNT; | |
| 147 } | |
| 148 | |
| 149 int X509_TRUST_set(int *t, int trust) | |
| 150 { | |
| 151 if(X509_TRUST_get_by_id(trust) == -1) { | |
| 152 X509err(X509_F_X509_TRUST_SET, X509_R_INVALID_TRUST); | |
| 153 return 0; | |
| 154 } | |
| 155 *t = trust; | |
| 156 return 1; | |
| 157 } | |
| 158 | |
| 159 int X509_TRUST_add(int id, int flags, int (*ck)(X509_TRUST *, X509 *, int), | |
| 160 char *name, int arg1, void *arg2) | |
| 161 { | |
| 162 int idx; | |
| 163 X509_TRUST *trtmp; | |
| 164 /* This is set according to what we change: application can't set it */ | |
| 165 flags &= ~X509_TRUST_DYNAMIC; | |
| 166 /* This will always be set for application modified trust entries */ | |
| 167 flags |= X509_TRUST_DYNAMIC_NAME; | |
| 168 /* Get existing entry if any */ | |
| 169 idx = X509_TRUST_get_by_id(id); | |
| 170 /* Need a new entry */ | |
| 171 if(idx == -1) { | |
| 172 if(!(trtmp = OPENSSL_malloc(sizeof(X509_TRUST)))) { | |
| 173 X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); | |
| 174 return 0; | |
| 175 } | |
| 176 trtmp->flags = X509_TRUST_DYNAMIC; | |
| 177 } else trtmp = X509_TRUST_get0(idx); | |
| 178 | |
| 179 /* OPENSSL_free existing name if dynamic */ | |
| 180 if(trtmp->flags & X509_TRUST_DYNAMIC_NAME) OPENSSL_free(trtmp->name); | |
| 181 /* dup supplied name */ | |
| 182 if(!(trtmp->name = BUF_strdup(name))) { | |
| 183 X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); | |
| 184 return 0; | |
| 185 } | |
| 186 /* Keep the dynamic flag of existing entry */ | |
| 187 trtmp->flags &= X509_TRUST_DYNAMIC; | |
| 188 /* Set all other flags */ | |
| 189 trtmp->flags |= flags; | |
| 190 | |
| 191 trtmp->trust = id; | |
| 192 trtmp->check_trust = ck; | |
| 193 trtmp->arg1 = arg1; | |
| 194 trtmp->arg2 = arg2; | |
| 195 | |
| 196 /* If its a new entry manage the dynamic table */ | |
| 197 if(idx == -1) { | |
| 198 if(!trtable && !(trtable = sk_X509_TRUST_new(tr_cmp))) { | |
| 199 X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); | |
| 200 return 0; | |
| 201 } | |
| 202 if (!sk_X509_TRUST_push(trtable, trtmp)) { | |
| 203 X509err(X509_F_X509_TRUST_ADD,ERR_R_MALLOC_FAILURE); | |
| 204 return 0; | |
| 205 } | |
| 206 } | |
| 207 return 1; | |
| 208 } | |
| 209 | |
| 210 static void trtable_free(X509_TRUST *p) | |
| 211 { | |
| 212 if(!p) return; | |
| 213 if (p->flags & X509_TRUST_DYNAMIC) | |
| 214 { | |
| 215 if (p->flags & X509_TRUST_DYNAMIC_NAME) | |
| 216 OPENSSL_free(p->name); | |
| 217 OPENSSL_free(p); | |
| 218 } | |
| 219 } | |
| 220 | |
| 221 void X509_TRUST_cleanup(void) | |
| 222 { | |
| 223 unsigned int i; | |
| 224 for(i = 0; i < X509_TRUST_COUNT; i++) trtable_free(trstandard + i); | |
| 225 sk_X509_TRUST_pop_free(trtable, trtable_free); | |
| 226 trtable = NULL; | |
| 227 } | |
| 228 | |
| 229 int X509_TRUST_get_flags(X509_TRUST *xp) | |
| 230 { | |
| 231 return xp->flags; | |
| 232 } | |
| 233 | |
| 234 char *X509_TRUST_get0_name(X509_TRUST *xp) | |
| 235 { | |
| 236 return xp->name; | |
| 237 } | |
| 238 | |
| 239 int X509_TRUST_get_trust(X509_TRUST *xp) | |
| 240 { | |
| 241 return xp->trust; | |
| 242 } | |
| 243 | |
| 244 static int trust_1oidany(X509_TRUST *trust, X509 *x, int flags) | |
| 245 { | |
| 246 if(x->aux && (x->aux->trust || x->aux->reject)) | |
| 247 return obj_trust(trust->arg1, x, flags); | |
| 248 /* we don't have any trust settings: for compatibility | |
| 249 * we return trusted if it is self signed | |
| 250 */ | |
| 251 return trust_compat(trust, x, flags); | |
| 252 } | |
| 253 | |
| 254 static int trust_1oid(X509_TRUST *trust, X509 *x, int flags) | |
| 255 { | |
| 256 if(x->aux) return obj_trust(trust->arg1, x, flags); | |
| 257 return X509_TRUST_UNTRUSTED; | |
| 258 } | |
| 259 | |
| 260 static int trust_compat(X509_TRUST *trust, X509 *x, int flags) | |
| 261 { | |
| 262 X509_check_purpose(x, -1, 0); | |
| 263 if(x->ex_flags & EXFLAG_SS) return X509_TRUST_TRUSTED; | |
| 264 else return X509_TRUST_UNTRUSTED; | |
| 265 } | |
| 266 | |
| 267 static int obj_trust(int id, X509 *x, int flags) | |
| 268 { | |
| 269 ASN1_OBJECT *obj; | |
| 270 int i; | |
| 271 X509_CERT_AUX *ax; | |
| 272 ax = x->aux; | |
| 273 if(!ax) return X509_TRUST_UNTRUSTED; | |
| 274 if(ax->reject) { | |
| 275 for(i = 0; i < sk_ASN1_OBJECT_num(ax->reject); i++) { | |
| 276 obj = sk_ASN1_OBJECT_value(ax->reject, i); | |
| 277 if(OBJ_obj2nid(obj) == id) return X509_TRUST_REJECTED; | |
| 278 } | |
| 279 } | |
| 280 if(ax->trust) { | |
| 281 for(i = 0; i < sk_ASN1_OBJECT_num(ax->trust); i++) { | |
| 282 obj = sk_ASN1_OBJECT_value(ax->trust, i); | |
| 283 if(OBJ_obj2nid(obj) == id) return X509_TRUST_TRUSTED; | |
| 284 } | |
| 285 } | |
| 286 return X509_TRUST_UNTRUSTED; | |
| 287 } | |
| 288 | |
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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