diff options
Diffstat (limited to 'openssl/crypto/x509v3/v3_akey.c')
| -rw-r--r-- | openssl/crypto/x509v3/v3_akey.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/openssl/crypto/x509v3/v3_akey.c b/openssl/crypto/x509v3/v3_akey.c new file mode 100644 index 00000000..c6b68ee2 --- /dev/null +++ b/openssl/crypto/x509v3/v3_akey.c @@ -0,0 +1,208 @@ +/* v3_akey.c */ +/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL + * project 1999. + */ +/* ==================================================================== + * Copyright (c) 1999 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * licensing@OpenSSL.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). + * + */ + +#include <stdio.h> +#include "cryptlib.h" +#include <openssl/conf.h> +#include <openssl/asn1.h> +#include <openssl/asn1t.h> +#include <openssl/x509v3.h> + +static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, + AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist); +static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values); + +const X509V3_EXT_METHOD v3_akey_id = + { + NID_authority_key_identifier, + X509V3_EXT_MULTILINE, ASN1_ITEM_ref(AUTHORITY_KEYID), + 0,0,0,0, + 0,0, + (X509V3_EXT_I2V)i2v_AUTHORITY_KEYID, + (X509V3_EXT_V2I)v2i_AUTHORITY_KEYID, + 0,0, + NULL + }; + +static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, + AUTHORITY_KEYID *akeyid, STACK_OF(CONF_VALUE) *extlist) +{ + char *tmp; + if(akeyid->keyid) { + tmp = hex_to_string(akeyid->keyid->data, akeyid->keyid->length); + X509V3_add_value("keyid", tmp, &extlist); + OPENSSL_free(tmp); + } + if(akeyid->issuer) + extlist = i2v_GENERAL_NAMES(NULL, akeyid->issuer, extlist); + if(akeyid->serial) { + tmp = hex_to_string(akeyid->serial->data, + akeyid->serial->length); + X509V3_add_value("serial", tmp, &extlist); + OPENSSL_free(tmp); + } + return extlist; +} + +/* Currently two options: + * keyid: use the issuers subject keyid, the value 'always' means its is + * an error if the issuer certificate doesn't have a key id. + * issuer: use the issuers cert issuer and serial number. The default is + * to only use this if keyid is not present. With the option 'always' + * this is always included. + */ + +static AUTHORITY_KEYID *v2i_AUTHORITY_KEYID(X509V3_EXT_METHOD *method, + X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *values) + { + char keyid=0, issuer=0; + int i; + CONF_VALUE *cnf; + ASN1_OCTET_STRING *ikeyid = NULL; + X509_NAME *isname = NULL; + GENERAL_NAMES * gens = NULL; + GENERAL_NAME *gen = NULL; + ASN1_INTEGER *serial = NULL; + X509_EXTENSION *ext; + X509 *cert; + AUTHORITY_KEYID *akeyid; + + for(i = 0; i < sk_CONF_VALUE_num(values); i++) + { + cnf = sk_CONF_VALUE_value(values, i); + if(!strcmp(cnf->name, "keyid")) + { + keyid = 1; + if(cnf->value && !strcmp(cnf->value, "always")) + keyid = 2; + } + else if(!strcmp(cnf->name, "issuer")) + { + issuer = 1; + if(cnf->value && !strcmp(cnf->value, "always")) + issuer = 2; + } + else + { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNKNOWN_OPTION); + ERR_add_error_data(2, "name=", cnf->name); + return NULL; + } + } + + if(!ctx || !ctx->issuer_cert) + { + if(ctx && (ctx->flags==CTX_TEST)) + return AUTHORITY_KEYID_new(); + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_NO_ISSUER_CERTIFICATE); + return NULL; + } + + cert = ctx->issuer_cert; + + if(keyid) + { + i = X509_get_ext_by_NID(cert, NID_subject_key_identifier, -1); + if((i >= 0) && (ext = X509_get_ext(cert, i))) + ikeyid = X509V3_EXT_d2i(ext); + if(keyid==2 && !ikeyid) + { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_KEYID); + return NULL; + } + } + + if((issuer && !ikeyid) || (issuer == 2)) + { + isname = X509_NAME_dup(X509_get_issuer_name(cert)); + serial = M_ASN1_INTEGER_dup(X509_get_serialNumber(cert)); + if(!isname || !serial) + { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,X509V3_R_UNABLE_TO_GET_ISSUER_DETAILS); + goto err; + } + } + + if(!(akeyid = AUTHORITY_KEYID_new())) goto err; + + if(isname) + { + if(!(gens = sk_GENERAL_NAME_new_null()) + || !(gen = GENERAL_NAME_new()) + || !sk_GENERAL_NAME_push(gens, gen)) + { + X509V3err(X509V3_F_V2I_AUTHORITY_KEYID,ERR_R_MALLOC_FAILURE); + goto err; + } + gen->type = GEN_DIRNAME; + gen->d.dirn = isname; + } + + akeyid->issuer = gens; + akeyid->serial = serial; + akeyid->keyid = ikeyid; + + return akeyid; + + err: + X509_NAME_free(isname); + M_ASN1_INTEGER_free(serial); + M_ASN1_OCTET_STRING_free(ikeyid); + return NULL; + } |