1*0Sstevel@tonic-gate /* v3_akey.c */ 2*0Sstevel@tonic-gate /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL 3*0Sstevel@tonic-gate * project 1999. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate /* ==================================================================== 6*0Sstevel@tonic-gate * Copyright (c) 1999 The OpenSSL Project. All rights reserved. 7*0Sstevel@tonic-gate * 8*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 9*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 10*0Sstevel@tonic-gate * are met: 11*0Sstevel@tonic-gate * 12*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 13*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 14*0Sstevel@tonic-gate * 15*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 16*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in 17*0Sstevel@tonic-gate * the documentation and/or other materials provided with the 18*0Sstevel@tonic-gate * distribution. 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * 3. All advertising materials mentioning features or use of this 21*0Sstevel@tonic-gate * software must display the following acknowledgment: 22*0Sstevel@tonic-gate * "This product includes software developed by the OpenSSL Project 23*0Sstevel@tonic-gate * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 24*0Sstevel@tonic-gate * 25*0Sstevel@tonic-gate * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 26*0Sstevel@tonic-gate * endorse or promote products derived from this software without 27*0Sstevel@tonic-gate * prior written permission. For written permission, please contact 28*0Sstevel@tonic-gate * licensing@OpenSSL.org. 29*0Sstevel@tonic-gate * 30*0Sstevel@tonic-gate * 5. Products derived from this software may not be called "OpenSSL" 31*0Sstevel@tonic-gate * nor may "OpenSSL" appear in their names without prior written 32*0Sstevel@tonic-gate * permission of the OpenSSL Project. 33*0Sstevel@tonic-gate * 34*0Sstevel@tonic-gate * 6. Redistributions of any form whatsoever must retain the following 35*0Sstevel@tonic-gate * acknowledgment: 36*0Sstevel@tonic-gate * "This product includes software developed by the OpenSSL Project 37*0Sstevel@tonic-gate * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 38*0Sstevel@tonic-gate * 39*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 40*0Sstevel@tonic-gate * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 41*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 42*0Sstevel@tonic-gate * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 43*0Sstevel@tonic-gate * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 44*0Sstevel@tonic-gate * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 45*0Sstevel@tonic-gate * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 46*0Sstevel@tonic-gate * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 47*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 48*0Sstevel@tonic-gate * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 49*0Sstevel@tonic-gate * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 50*0Sstevel@tonic-gate * OF THE POSSIBILITY OF SUCH DAMAGE. 51*0Sstevel@tonic-gate * ==================================================================== 52*0Sstevel@tonic-gate * 53*0Sstevel@tonic-gate * This product includes cryptographic software written by Eric Young 54*0Sstevel@tonic-gate * (eay@cryptsoft.com). This product includes software written by Tim 55*0Sstevel@tonic-gate * Hudson (tjh@cryptsoft.com). 56*0Sstevel@tonic-gate * 57*0Sstevel@tonic-gate */ 58*0Sstevel@tonic-gate 59*0Sstevel@tonic-gate #include <stdio.h> 60*0Sstevel@tonic-gate #include "cryptlib.h" 61*0Sstevel@tonic-gate #include <openssl/conf.h> 62*0Sstevel@tonic-gate #include <openssl/asn1.h> 63*0Sstevel@tonic-gate #include <openssl/asn1t.h> 64*0Sstevel@tonic-gate #include <openssl/x509v3.h> 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, 67*0Sstevel@tonic-gate AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist); 68*0Sstevel@tonic-gate static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, 69*0Sstevel@tonic-gate X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values); 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate X509V3_EXT_METHOD v3_akey_id = { 72*0Sstevel@tonic-gate NID_authority_key_identifier, X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_KEYID), 73*0Sstevel@tonic-gate 0,0,0,0, 74*0Sstevel@tonic-gate 0,0, 75*0Sstevel@tonic-gate (X509V3_EXT_I2V)i2v_AUTHORITY_KEYID, 76*0Sstevel@tonic-gate (X509V3_EXT_V2I)v2i_AUTHORITY_KEYID, 77*0Sstevel@tonic-gate 0,0, 78*0Sstevel@tonic-gate NULL 79*0Sstevel@tonic-gate }; 80*0Sstevel@tonic-gate 81*0Sstevel@tonic-gate static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, 82*0Sstevel@tonic-gate AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist) 83*0Sstevel@tonic-gate { 84*0Sstevel@tonic-gate char *tmp; 85*0Sstevel@tonic-gate if(akeyid->keyid) { 86*0Sstevel@tonic-gate tmp = hex_to_string(akeyid->keyid->data, akeyid->keyid->length); 87*0Sstevel@tonic-gate X509V3_add_value("keyid", tmp, &extlist); 88*0Sstevel@tonic-gate OPENSSL_free(tmp); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate if(akeyid->issuer) 91*0Sstevel@tonic-gate extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist); 92*0Sstevel@tonic-gate if(akeyid->serial) { 93*0Sstevel@tonic-gate tmp = hex_to_string(akeyid->serial->data, 94*0Sstevel@tonic-gate akeyid->serial->length); 95*0Sstevel@tonic-gate X509V3_add_value("serial", tmp, &extlist); 96*0Sstevel@tonic-gate OPENSSL_free(tmp); 97*0Sstevel@tonic-gate } 98*0Sstevel@tonic-gate return extlist; 99*0Sstevel@tonic-gate } 100*0Sstevel@tonic-gate 101*0Sstevel@tonic-gate /* Currently two options: 102*0Sstevel@tonic-gate * keyid: use the issuers subject keyid, the value 'always' means its is 103*0Sstevel@tonic-gate * an error if the issuer certificate doesn't have a key id. 104*0Sstevel@tonic-gate * issuer: use the issuers cert issuer and serial number. The default is 105*0Sstevel@tonic-gate * to only use this if keyid is not present. With the option 'always' 106*0Sstevel@tonic-gate * this is always included. 107*0Sstevel@tonic-gate */ 108*0Sstevel@tonic-gate 109*0Sstevel@tonic-gate static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, 110*0Sstevel@tonic-gate X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values) 111*0Sstevel@tonic-gate { 112*0Sstevel@tonic-gate char keyid=0, issuer=0; 113*0Sstevel@tonic-gate int i; 114*0Sstevel@tonic-gate CONF_VALUE *cnf; 115*0Sstevel@tonic-gate ASN1_OCTET_STRING *ikeyid = NULL; 116*0Sstevel@tonic-gate X509_NAME *isname = NULL; 117*0Sstevel@tonic-gate GENERAL_NAMES * gens = NULL; 118*0Sstevel@tonic-gate GENERAL_NAME *gen = NULL; 119*0Sstevel@tonic-gate ASN1_INTEGER *serial = NULL; 120*0Sstevel@tonic-gate X509_EXTENSION *ext; 121*0Sstevel@tonic-gate X509 *cert; 122*0Sstevel@tonic-gate AUTHORITY_KEYID *akeyid; 123*0Sstevel@tonic-gate for(i = 0; i < sk_CONF_VALUE_num(values); i++) { 124*0Sstevel@tonic-gate cnf = sk_CONF_VALUE_value(values, i); 125*0Sstevel@tonic-gate if(!strcmp(cnf->name, "keyid")) { 126*0Sstevel@tonic-gate keyid = 1; 127*0Sstevel@tonic-gate if(cnf->value && !strcmp(cnf->value, "always")) keyid = 2; 128*0Sstevel@tonic-gate } else if(!strcmp(cnf->name, "issuer")) { 129*0Sstevel@tonic-gate issuer = 1; 130*0Sstevel@tonic-gate if(cnf->value && !strcmp(cnf->value, "always")) issuer = 2; 131*0Sstevel@tonic-gate } else { 132*0Sstevel@tonic-gate X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNKNOWN_OPTION); 133*0Sstevel@tonic-gate ERR_add_error_data(2, "name=", cnf->name); 134*0Sstevel@tonic-gate return NULL; 135*0Sstevel@tonic-gate } 136*0Sstevel@tonic-gate } 137*0Sstevel@tonic-gate 138*0Sstevel@tonic-gate if(!ctx || !ctx->issuer_cert) { 139*0Sstevel@tonic-gate if(ctx && (ctx->flags==CTX_TEST)) return AUTHORITY_KEYID_new(); 140*0Sstevel@tonic-gate X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_NO_ISSUER_CERTIFICATE); 141*0Sstevel@tonic-gate return NULL; 142*0Sstevel@tonic-gate } 143*0Sstevel@tonic-gate 144*0Sstevel@tonic-gate cert = ctx->issuer_cert; 145*0Sstevel@tonic-gate 146*0Sstevel@tonic-gate if(keyid) { 147*0Sstevel@tonic-gate i = X509_get_ext_by_NID(cert, NID_subject_key_identifier, -1); 148*0Sstevel@tonic-gate if((i >= 0) && (ext = X509_get_ext(cert, i))) 149*0Sstevel@tonic-gate ikeyid = X509V3_EXT_d2i(ext); 150*0Sstevel@tonic-gate if(keyid==2 && !ikeyid) { 151*0Sstevel@tonic-gate X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_KEYID); 152*0Sstevel@tonic-gate return NULL; 153*0Sstevel@tonic-gate } 154*0Sstevel@tonic-gate } 155*0Sstevel@tonic-gate 156*0Sstevel@tonic-gate if((issuer && !ikeyid) || (issuer == 2)) { 157*0Sstevel@tonic-gate isname = X509_NAME_dup(X509_get_issuer_name(cert)); 158*0Sstevel@tonic-gate serial = M_ASN1_INTEGER_dup(X509_get_serialNumber(cert)); 159*0Sstevel@tonic-gate if(!isname || !serial) { 160*0Sstevel@tonic-gate X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS); 161*0Sstevel@tonic-gate goto err; 162*0Sstevel@tonic-gate } 163*0Sstevel@tonic-gate } 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate if(!(akeyid = AUTHORITY_KEYID_new())) goto err; 166*0Sstevel@tonic-gate 167*0Sstevel@tonic-gate if(isname) { 168*0Sstevel@tonic-gate if(!(gens = sk_GENERAL_NAME_new_null()) || !(gen = GENERAL_NAME_new()) 169*0Sstevel@tonic-gate || !sk_GENERAL_NAME_push(gens, gen)) { 170*0Sstevel@tonic-gate X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,ERR_R_MALLOC_FAILURE); 171*0Sstevel@tonic-gate goto err; 172*0Sstevel@tonic-gate } 173*0Sstevel@tonic-gate gen->type = GEN_DIRNAME; 174*0Sstevel@tonic-gate gen->d.dirn = isname; 175*0Sstevel@tonic-gate } 176*0Sstevel@tonic-gate 177*0Sstevel@tonic-gate akeyid->issuer = gens; 178*0Sstevel@tonic-gate akeyid->serial = serial; 179*0Sstevel@tonic-gate akeyid->keyid = ikeyid; 180*0Sstevel@tonic-gate 181*0Sstevel@tonic-gate return akeyid; 182*0Sstevel@tonic-gate 183*0Sstevel@tonic-gate err: 184*0Sstevel@tonic-gate X509_NAME_free(isname); 185*0Sstevel@tonic-gate M_ASN1_INTEGER_free(serial); 186*0Sstevel@tonic-gate M_ASN1_OCTET_STRING_free(ikeyid); 187*0Sstevel@tonic-gate return NULL; 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate } 190*0Sstevel@tonic-gate 191