openssl/crypto/x509v3/v3_crld.c
2000-07-02 18:16:38 +00:00

285 lines
9 KiB
C

/* v3_crld.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_crld(X509V3_EXT_METHOD *method,
STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *extlist);
static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval);
X509V3_EXT_METHOD v3_crld = {
NID_crl_distribution_points, X509V3_EXT_MULTILINE,
(X509V3_EXT_NEW)CRL_DIST_POINTS_new,
(X509V3_EXT_FREE)CRL_DIST_POINTS_free,
(X509V3_EXT_D2I)d2i_CRL_DIST_POINTS,
(X509V3_EXT_I2D)i2d_CRL_DIST_POINTS,
NULL, NULL,
(X509V3_EXT_I2V)i2v_crld,
(X509V3_EXT_V2I)v2i_crld,
NULL, NULL, NULL
};
static STACK_OF(CONF_VALUE) *i2v_crld(X509V3_EXT_METHOD *method,
STACK_OF(DIST_POINT) *crld, STACK_OF(CONF_VALUE) *exts)
{
DIST_POINT *point;
int i;
for(i = 0; i < sk_DIST_POINT_num(crld); i++) {
point = sk_DIST_POINT_value(crld, i);
if(point->distpoint && point->distpoint->fullname) {
exts = i2v_GENERAL_NAMES(NULL,
point->distpoint->fullname, exts);
}
if(point->reasons)
X509V3_add_value("reasons","<UNSUPPORTED>", &exts);
if(point->CRLissuer)
X509V3_add_value("CRLissuer","<UNSUPPORTED>", &exts);
if(point->distpoint && point->distpoint->relativename)
X509V3_add_value("RelativeName","<UNSUPPORTED>", &exts);
}
return exts;
}
static STACK_OF(DIST_POINT) *v2i_crld(X509V3_EXT_METHOD *method,
X509V3_CTX *ctx, STACK_OF(CONF_VALUE) *nval)
{
STACK_OF(DIST_POINT) *crld = NULL;
STACK_OF(GENERAL_NAME) *gens = NULL;
GENERAL_NAME *gen = NULL;
CONF_VALUE *cnf;
int i;
if(!(crld = sk_DIST_POINT_new(NULL))) goto merr;
for(i = 0; i < sk_CONF_VALUE_num(nval); i++) {
DIST_POINT *point;
cnf = sk_CONF_VALUE_value(nval, i);
if(!(gen = v2i_GENERAL_NAME(method, ctx, cnf))) goto err;
if(!(gens = GENERAL_NAMES_new())) goto merr;
if(!sk_GENERAL_NAME_push(gens, gen)) goto merr;
gen = NULL;
if(!(point = DIST_POINT_new())) goto merr;
if(!sk_DIST_POINT_push(crld, point)) {
DIST_POINT_free(point);
goto merr;
}
if(!(point->distpoint = DIST_POINT_NAME_new())) goto merr;
point->distpoint->fullname = gens;
gens = NULL;
}
return crld;
merr:
X509V3err(X509V3_F_V2I_CRLD,ERR_R_MALLOC_FAILURE);
err:
GENERAL_NAME_free(gen);
GENERAL_NAMES_free(gens);
sk_DIST_POINT_pop_free(crld, DIST_POINT_free);
return NULL;
}
int i2d_CRL_DIST_POINTS(STACK_OF(DIST_POINT) *a, unsigned char **pp)
{
return i2d_ASN1_SET_OF_DIST_POINT(a, pp, i2d_DIST_POINT, V_ASN1_SEQUENCE,
V_ASN1_UNIVERSAL, IS_SEQUENCE);}
STACK_OF(DIST_POINT) *CRL_DIST_POINTS_new(void)
{
return sk_DIST_POINT_new_null();
}
void CRL_DIST_POINTS_free(STACK_OF(DIST_POINT) *a)
{
sk_DIST_POINT_pop_free(a, DIST_POINT_free);
}
STACK_OF(DIST_POINT) *d2i_CRL_DIST_POINTS(STACK_OF(DIST_POINT) **a,
unsigned char **pp,long length)
{
return d2i_ASN1_SET_OF_DIST_POINT(a, pp, length, d2i_DIST_POINT,
DIST_POINT_free, V_ASN1_SEQUENCE, V_ASN1_UNIVERSAL);
}
IMPLEMENT_STACK_OF(DIST_POINT)
IMPLEMENT_ASN1_SET_OF(DIST_POINT)
int i2d_DIST_POINT(DIST_POINT *a, unsigned char **pp)
{
int v = 0;
M_ASN1_I2D_vars(a);
/* NB: underlying type is a CHOICE so need EXPLICIT tagging */
M_ASN1_I2D_len_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v);
M_ASN1_I2D_len_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING);
M_ASN1_I2D_len_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES);
M_ASN1_I2D_seq_total();
M_ASN1_I2D_put_EXP_opt (a->distpoint, i2d_DIST_POINT_NAME, 0, v);
M_ASN1_I2D_put_IMP_opt (a->reasons, i2d_ASN1_BIT_STRING, 1);
M_ASN1_I2D_put_IMP_opt (a->CRLissuer, i2d_GENERAL_NAMES, 2);
M_ASN1_I2D_finish();
}
DIST_POINT *DIST_POINT_new(void)
{
DIST_POINT *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret, DIST_POINT);
ret->distpoint = NULL;
ret->reasons = NULL;
ret->CRLissuer = NULL;
return (ret);
M_ASN1_New_Error(ASN1_F_DIST_POINT_NEW);
}
DIST_POINT *d2i_DIST_POINT(DIST_POINT **a, unsigned char **pp, long length)
{
M_ASN1_D2I_vars(a,DIST_POINT *,DIST_POINT_new);
M_ASN1_D2I_Init();
M_ASN1_D2I_start_sequence();
M_ASN1_D2I_get_EXP_opt (ret->distpoint, d2i_DIST_POINT_NAME, 0);
M_ASN1_D2I_get_IMP_opt (ret->reasons, d2i_ASN1_BIT_STRING, 1,
V_ASN1_BIT_STRING);
M_ASN1_D2I_get_IMP_opt (ret->CRLissuer, d2i_GENERAL_NAMES, 2,
V_ASN1_SEQUENCE);
M_ASN1_D2I_Finish(a, DIST_POINT_free, ASN1_F_D2I_DIST_POINT);
}
void DIST_POINT_free(DIST_POINT *a)
{
if (a == NULL) return;
DIST_POINT_NAME_free(a->distpoint);
M_ASN1_BIT_STRING_free(a->reasons);
sk_GENERAL_NAME_pop_free(a->CRLissuer, GENERAL_NAME_free);
OPENSSL_free (a);
}
int i2d_DIST_POINT_NAME(DIST_POINT_NAME *a, unsigned char **pp)
{
M_ASN1_I2D_vars(a);
if(a->fullname) {
M_ASN1_I2D_len_IMP_opt (a->fullname, i2d_GENERAL_NAMES);
} else {
M_ASN1_I2D_len_IMP_SET_opt_type(X509_NAME_ENTRY,
a->relativename, i2d_X509_NAME_ENTRY, 1);
}
/* Don't want a SEQUENCE so... */
if(pp == NULL) return ret;
p = *pp;
if(a->fullname) {
M_ASN1_I2D_put_IMP_opt (a->fullname, i2d_GENERAL_NAMES, 0);
} else {
M_ASN1_I2D_put_IMP_SET_opt_type(X509_NAME_ENTRY,
a->relativename, i2d_X509_NAME_ENTRY, 1);
}
M_ASN1_I2D_finish();
}
DIST_POINT_NAME *DIST_POINT_NAME_new(void)
{
DIST_POINT_NAME *ret=NULL;
ASN1_CTX c;
M_ASN1_New_Malloc(ret, DIST_POINT_NAME);
ret->fullname = NULL;
ret->relativename = NULL;
return (ret);
M_ASN1_New_Error(ASN1_F_DIST_POINT_NAME_NEW);
}
void DIST_POINT_NAME_free(DIST_POINT_NAME *a)
{
if (a == NULL) return;
sk_X509_NAME_ENTRY_pop_free(a->relativename, X509_NAME_ENTRY_free);
sk_GENERAL_NAME_pop_free(a->fullname, GENERAL_NAME_free);
OPENSSL_free (a);
}
DIST_POINT_NAME *d2i_DIST_POINT_NAME(DIST_POINT_NAME **a, unsigned char **pp,
long length)
{
unsigned char _tmp, tag;
M_ASN1_D2I_vars(a,DIST_POINT_NAME *,DIST_POINT_NAME_new);
M_ASN1_D2I_Init();
c.slen = length;
_tmp = M_ASN1_next;
tag = _tmp & ~V_ASN1_CONSTRUCTED;
if(tag == (0|V_ASN1_CONTEXT_SPECIFIC)) {
M_ASN1_D2I_get_imp(ret->fullname, d2i_GENERAL_NAMES,
V_ASN1_SEQUENCE);
} else if (tag == (1|V_ASN1_CONTEXT_SPECIFIC)) {
M_ASN1_D2I_get_IMP_set_opt_type (X509_NAME_ENTRY,
ret->relativename, d2i_X509_NAME_ENTRY, X509_NAME_ENTRY_free, 1);
} else {
c.error = ASN1_R_BAD_TAG;
goto err;
}
M_ASN1_D2I_Finish(a, DIST_POINT_NAME_free, ASN1_F_D2I_DIST_POINT_NAME);
}