diff options
author | Bob Beck <beck@cvs.openbsd.org> | 1999-09-29 04:37:45 +0000 |
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committer | Bob Beck <beck@cvs.openbsd.org> | 1999-09-29 04:37:45 +0000 |
commit | 30902ef04e4a800063b5f4afdbf1732ad34aa6b3 (patch) | |
tree | 1521f29ad032f1ab16a7838557a8c1e28f1414e1 /lib/libcrypto/x509v3/v3_akey.c | |
parent | 68e1384c87c6264544ffca6394cdb172d13acde7 (diff) |
import openssl-0.9.7-beta1
Diffstat (limited to 'lib/libcrypto/x509v3/v3_akey.c')
-rw-r--r-- | lib/libcrypto/x509v3/v3_akey.c | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/lib/libcrypto/x509v3/v3_akey.c b/lib/libcrypto/x509v3/v3_akey.c new file mode 100644 index 00000000000..4099e6019e3 --- /dev/null +++ b/lib/libcrypto/x509v3/v3_akey.c @@ -0,0 +1,249 @@ +/* v3_akey.c */ +/* Written by Dr Stephen N Henson (shenson@bigfoot.com) 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/asn1_mac.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); + +X509V3_EXT_METHOD v3_akey_id = { +NID_authority_key_identifier, X509V3_EXT_MULTILINE, +(X509V3_EXT_NEW)AUTHORITY_KEYID_new, +(X509V3_EXT_FREE)AUTHORITY_KEYID_free, +(X509V3_EXT_D2I)d2i_AUTHORITY_KEYID, +(X509V3_EXT_I2D)i2d_AUTHORITY_KEYID, +NULL, NULL, +(X509V3_EXT_I2V)i2v_AUTHORITY_KEYID, +(X509V3_EXT_V2I)v2i_AUTHORITY_KEYID, +NULL,NULL, +NULL +}; + + +int i2d_AUTHORITY_KEYID(AUTHORITY_KEYID *a, unsigned char **pp) +{ + M_ASN1_I2D_vars(a); + + M_ASN1_I2D_len_IMP_opt (a->keyid, i2d_ASN1_OCTET_STRING); + M_ASN1_I2D_len_IMP_opt (a->issuer, i2d_GENERAL_NAMES); + M_ASN1_I2D_len_IMP_opt (a->serial, i2d_ASN1_INTEGER); + + M_ASN1_I2D_seq_total(); + + M_ASN1_I2D_put_IMP_opt (a->keyid, i2d_ASN1_OCTET_STRING, 0); + M_ASN1_I2D_put_IMP_opt (a->issuer, i2d_GENERAL_NAMES, 1); + M_ASN1_I2D_put_IMP_opt (a->serial, i2d_ASN1_INTEGER, 2); + + M_ASN1_I2D_finish(); +} + +AUTHORITY_KEYID *AUTHORITY_KEYID_new(void) +{ + AUTHORITY_KEYID *ret=NULL; + ASN1_CTX c; + M_ASN1_New_Malloc(ret, AUTHORITY_KEYID); + ret->keyid = NULL; + ret->issuer = NULL; + ret->serial = NULL; + return (ret); + M_ASN1_New_Error(ASN1_F_AUTHORITY_KEYID_NEW); +} + +AUTHORITY_KEYID *d2i_AUTHORITY_KEYID(AUTHORITY_KEYID **a, unsigned char **pp, + long length) +{ + M_ASN1_D2I_vars(a,AUTHORITY_KEYID *,AUTHORITY_KEYID_new); + M_ASN1_D2I_Init(); + M_ASN1_D2I_start_sequence(); + M_ASN1_D2I_get_IMP_opt (ret->keyid, d2i_ASN1_OCTET_STRING, 0, + V_ASN1_OCTET_STRING); + M_ASN1_D2I_get_IMP_opt (ret->issuer, d2i_GENERAL_NAMES, 1, + V_ASN1_SEQUENCE); + M_ASN1_D2I_get_IMP_opt (ret->serial, d2i_ASN1_INTEGER, 2, + V_ASN1_INTEGER); + M_ASN1_D2I_Finish(a, AUTHORITY_KEYID_free, ASN1_F_D2I_AUTHORITY_KEYID); +} + +void AUTHORITY_KEYID_free(AUTHORITY_KEYID *a) +{ + if (a == NULL) return; + ASN1_OCTET_STRING_free(a->keyid); + sk_GENERAL_NAME_pop_free(a->issuer, GENERAL_NAME_free); + ASN1_INTEGER_free (a->serial); + Free ((char *)a); +} + +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); + 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); + 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; +STACK_OF(GENERAL_NAME) * 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 = 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); +ASN1_INTEGER_free(serial); +ASN1_OCTET_STRING_free(ikeyid); +return NULL; + +} + |