1656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* v3_lib.c */ 2e45f106cb6b47af1f21efe76e933bdea2f5dd1caNagendra Modadugu/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL 3656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * project 1999. 4656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 5656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* ==================================================================== 6656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 7656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 8656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Redistribution and use in source and binary forms, with or without 9656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * modification, are permitted provided that the following conditions 10656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * are met: 11656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 12656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 1. Redistributions of source code must retain the above copyright 13656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer. 14656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 15656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 16656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * notice, this list of conditions and the following disclaimer in 17656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the documentation and/or other materials provided with the 18656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * distribution. 19656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 20656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 3. All advertising materials mentioning features or use of this 21656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * software must display the following acknowledgment: 22656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 23656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 25656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * endorse or promote products derived from this software without 27656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * prior written permission. For written permission, please contact 28656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * licensing@OpenSSL.org. 29656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 30656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 5. Products derived from this software may not be called "OpenSSL" 31656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * nor may "OpenSSL" appear in their names without prior written 32656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * permission of the OpenSSL Project. 33656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 34656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 6. Redistributions of any form whatsoever must retain the following 35656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * acknowledgment: 36656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * "This product includes software developed by the OpenSSL Project 37656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 39656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * OF THE POSSIBILITY OF SUCH DAMAGE. 51656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * ==================================================================== 52656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 53656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * This product includes cryptographic software written by Eric Young 54656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * (eay@cryptsoft.com). This product includes software written by Tim 55656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * Hudson (tjh@cryptsoft.com). 56656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 57656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 58656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* X509 v3 extension utilities */ 59656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 60656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <stdio.h> 61656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "cryptlib.h" 62656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/conf.h> 63656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include <openssl/x509v3.h> 64656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 65656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project#include "ext_dat.h" 66656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 67656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic STACK_OF(X509V3_EXT_METHOD) *ext_list = NULL; 68656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 69656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ext_cmp(const X509V3_EXT_METHOD * const *a, 70656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const X509V3_EXT_METHOD * const *b); 71656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic void ext_list_free(X509V3_EXT_METHOD *ext); 72656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 73656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint X509V3_EXT_add(X509V3_EXT_METHOD *ext) 74656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 75656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!ext_list && !(ext_list = sk_X509V3_EXT_METHOD_new(ext_cmp))) { 76656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509V3err(X509V3_F_X509V3_EXT_ADD,ERR_R_MALLOC_FAILURE); 77656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 78656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 79656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!sk_X509V3_EXT_METHOD_push(ext_list, ext)) { 80656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509V3err(X509V3_F_X509V3_EXT_ADD,ERR_R_MALLOC_FAILURE); 81656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 82656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 83656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 84656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 85656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 86656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic int ext_cmp(const X509V3_EXT_METHOD * const *a, 87221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const X509V3_EXT_METHOD * const *b) 88656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 89656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return ((*a)->ext_nid - (*b)->ext_nid); 90656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 91656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 92221304ee937bc0910948a8be1320cb8cc4eb6d36Brian CarlstromDECLARE_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *, const X509V3_EXT_METHOD *, 93221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ext); 94221304ee937bc0910948a8be1320cb8cc4eb6d36Brian CarlstromIMPLEMENT_OBJ_BSEARCH_CMP_FN(const X509V3_EXT_METHOD *, 95221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const X509V3_EXT_METHOD *, ext); 96221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 97221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromconst X509V3_EXT_METHOD *X509V3_EXT_get_nid(int nid) 98656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 99221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom X509V3_EXT_METHOD tmp; 100221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const X509V3_EXT_METHOD *t = &tmp, * const *ret; 101656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int idx; 102656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(nid < 0) return NULL; 103656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmp.ext_nid = nid; 104221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom ret = OBJ_bsearch_ext(&t, standard_exts, STANDARD_EXTENSION_COUNT); 105656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ret) return *ret; 106656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!ext_list) return NULL; 107656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project idx = sk_X509V3_EXT_METHOD_find(ext_list, &tmp); 108656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(idx == -1) return NULL; 109656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return sk_X509V3_EXT_METHOD_value(ext_list, idx); 110656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 111656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 112221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstromconst X509V3_EXT_METHOD *X509V3_EXT_get(X509_EXTENSION *ext) 113656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 114656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int nid; 115656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if((nid = OBJ_obj2nid(ext->object)) == NID_undef) return NULL; 116656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return X509V3_EXT_get_nid(nid); 117656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 118656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 119656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 120656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint X509V3_EXT_add_list(X509V3_EXT_METHOD *extlist) 121656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 122656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for(;extlist->ext_nid!=-1;extlist++) 123656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!X509V3_EXT_add(extlist)) return 0; 124656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 125656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 126656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 127656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint X509V3_EXT_add_alias(int nid_to, int nid_from) 128656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 129221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const X509V3_EXT_METHOD *ext; 130221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom X509V3_EXT_METHOD *tmpext; 131221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom 132656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!(ext = X509V3_EXT_get_nid(nid_from))) { 133656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,X509V3_R_EXTENSION_NOT_FOUND); 134656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 135656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 136656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!(tmpext = (X509V3_EXT_METHOD *)OPENSSL_malloc(sizeof(X509V3_EXT_METHOD)))) { 137656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509V3err(X509V3_F_X509V3_EXT_ADD_ALIAS,ERR_R_MALLOC_FAILURE); 138656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 139656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 140656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *tmpext = *ext; 141656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmpext->ext_nid = nid_to; 142656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project tmpext->ext_flags |= X509V3_EXT_DYNAMIC; 143656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return X509V3_EXT_add(tmpext); 144656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 145656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 146656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid X509V3_EXT_cleanup(void) 147656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 148656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project sk_X509V3_EXT_METHOD_pop_free(ext_list, ext_list_free); 149656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ext_list = NULL; 150656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 151656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 152656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectstatic void ext_list_free(X509V3_EXT_METHOD *ext) 153656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 154656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ext->ext_flags & X509V3_EXT_DYNAMIC) OPENSSL_free(ext); 155656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 156656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 157656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Legacy function: we don't need to add standard extensions 158656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * any more because they are now kept in ext_dat.h. 159656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 160656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 161656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint X509V3_add_standard_extensions(void) 162656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 163656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 164656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 165656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 166656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Return an extension internal structure */ 167656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 168656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid *X509V3_EXT_d2i(X509_EXTENSION *ext) 169656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 170221304ee937bc0910948a8be1320cb8cc4eb6d36Brian Carlstrom const X509V3_EXT_METHOD *method; 171656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project const unsigned char *p; 172656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 173656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!(method = X509V3_EXT_get(ext))) return NULL; 174656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project p = ext->value->data; 175656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(method->it) return ASN1_item_d2i(NULL, &p, ext->value->length, ASN1_ITEM_ptr(method->it)); 176656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return method->d2i(NULL, &p, ext->value->length); 177656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 178656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 179656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* Get critical flag and decoded version of extension from a NID. 180656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The "idx" variable returns the last found extension and can 181656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * be used to retrieve multiple extensions of the same NID. 182656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * However multiple extensions with the same NID is usually 183656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * due to a badly encoded certificate so if idx is NULL we 184656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * choke if multiple extensions exist. 185656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The "crit" variable is set to the critical value. 186656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The return value is the decoded extension or NULL on 187656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * error. The actual error can have several different causes, 188656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * the value of *crit reflects the cause: 189656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * >= 0, extension found but not decoded (reflects critical value). 190656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * -1 extension not found. 191656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * -2 extension occurs more than once. 192656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 193656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 194656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectvoid *X509V3_get_d2i(STACK_OF(X509_EXTENSION) *x, int nid, int *crit, int *idx) 195656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 196656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int lastpos, i; 197656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509_EXTENSION *ex, *found_ex = NULL; 198656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!x) { 199656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(idx) *idx = -1; 200656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(crit) *crit = -1; 201656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 202656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 203656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(idx) lastpos = *idx + 1; 204656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project else lastpos = 0; 205656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(lastpos < 0) lastpos = 0; 206656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project for(i = lastpos; i < sk_X509_EXTENSION_num(x); i++) 207656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project { 208656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ex = sk_X509_EXTENSION_value(x, i); 209656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(OBJ_obj2nid(ex->object) == nid) { 210656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(idx) { 211656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project *idx = i; 212656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project found_ex = ex; 213656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project break; 214656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } else if(found_ex) { 215656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Found more than one */ 216656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(crit) *crit = -2; 217656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 218656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 219656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project found_ex = ex; 220656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 221656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 222656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(found_ex) { 223656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Found it */ 224656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(crit) *crit = X509_EXTENSION_get_critical(found_ex); 225656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return X509V3_EXT_d2i(found_ex); 226656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 227656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 228656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* Extension not found */ 229656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(idx) *idx = -1; 230656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(crit) *crit = -1; 231656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return NULL; 232656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 233656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 234656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project/* This function is a general extension append, replace and delete utility. 235656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * The precise operation is governed by the 'flags' value. The 'crit' and 236656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * 'value' arguments (if relevant) are the extensions internal structure. 237656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 238656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 239656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Projectint X509V3_add1_i2d(STACK_OF(X509_EXTENSION) **x, int nid, void *value, 240656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int crit, unsigned long flags) 241656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project{ 242656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int extidx = -1; 243656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project int errcode; 244656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509_EXTENSION *ext, *extmp; 245656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project unsigned long ext_op = flags & X509V3_ADD_OP_MASK; 246656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 247656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If appending we don't care if it exists, otherwise 248656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * look for existing extension. 249656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 250656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ext_op != X509V3_ADD_APPEND) 251656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project extidx = X509v3_get_ext_by_NID(*x, nid, -1); 252656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 253656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* See if extension exists */ 254656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(extidx >= 0) { 255656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If keep existing, nothing to do */ 256656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ext_op == X509V3_ADD_KEEP_EXISTING) 257656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 258656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If default then its an error */ 259656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ext_op == X509V3_ADD_DEFAULT) { 260656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project errcode = X509V3_R_EXTENSION_EXISTS; 261656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 262656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 263656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If delete, just delete it */ 264656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(ext_op == X509V3_ADD_DELETE) { 265656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!sk_X509_EXTENSION_delete(*x, extidx)) return -1; 266656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 267656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 268656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } else { 269656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If replace existing or delete, error since 270656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * extension must exist 271656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 272656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if((ext_op == X509V3_ADD_REPLACE_EXISTING) || 273656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project (ext_op == X509V3_ADD_DELETE)) { 274656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project errcode = X509V3_R_EXTENSION_NOT_FOUND; 275656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project goto err; 276656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 277656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 278656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 279656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If we get this far then we have to create an extension: 280656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project * could have some flags for alternative encoding schemes... 281656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project */ 282656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 283656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project ext = X509V3_EXT_i2d(nid, crit, value); 284656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 285656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!ext) { 286656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509V3err(X509V3_F_X509V3_ADD1_I2D, X509V3_R_ERROR_CREATING_EXTENSION); 287656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 288656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 289656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 290656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project /* If extension exists replace it.. */ 291656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(extidx >= 0) { 292656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project extmp = sk_X509_EXTENSION_value(*x, extidx); 293656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509_EXTENSION_free(extmp); 294656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!sk_X509_EXTENSION_set(*x, extidx, ext)) return -1; 295656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 296656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project } 297656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 298656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!*x && !(*x = sk_X509_EXTENSION_new_null())) return -1; 299656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!sk_X509_EXTENSION_push(*x, ext)) return -1; 300656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 301656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 1; 302656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 303656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project err: 304656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project if(!(flags & X509V3_ADD_SILENT)) 305656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project X509V3err(X509V3_F_X509V3_ADD1_I2D, errcode); 306656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project return 0; 307656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project} 308656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source Project 309656d9c7f52f88b3a3daccafa7655dec086c4756eThe Android Open Source ProjectIMPLEMENT_STACK_OF(X509V3_EXT_METHOD) 310