ref: 009439541d2c6e8af2596f8fb1b4df85861fd212
dir: /third_party/boringssl/src/crypto/x509/v3_info.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 <string.h>
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/conf.h>
#include <openssl/err.h>
#include <openssl/mem.h>
#include <openssl/obj.h>
#include <openssl/x509.h>
#include "internal.h"
static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
const X509V3_EXT_METHOD *method, void *ext, STACK_OF(CONF_VALUE) *ret);
static void *v2i_AUTHORITY_INFO_ACCESS(const X509V3_EXT_METHOD *method,
const X509V3_CTX *ctx,
const STACK_OF(CONF_VALUE) *nval);
const X509V3_EXT_METHOD v3_info = {
NID_info_access,
X509V3_EXT_MULTILINE,
ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
0,
0,
0,
0,
0,
0,
i2v_AUTHORITY_INFO_ACCESS,
v2i_AUTHORITY_INFO_ACCESS,
0,
0,
NULL,
};
const X509V3_EXT_METHOD v3_sinfo = {
NID_sinfo_access,
X509V3_EXT_MULTILINE,
ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
0,
0,
0,
0,
0,
0,
i2v_AUTHORITY_INFO_ACCESS,
v2i_AUTHORITY_INFO_ACCESS,
0,
0,
NULL,
};
ASN1_SEQUENCE(ACCESS_DESCRIPTION) = {
ASN1_SIMPLE(ACCESS_DESCRIPTION, method, ASN1_OBJECT),
ASN1_SIMPLE(ACCESS_DESCRIPTION, location, GENERAL_NAME),
} ASN1_SEQUENCE_END(ACCESS_DESCRIPTION)
IMPLEMENT_ASN1_ALLOC_FUNCTIONS(ACCESS_DESCRIPTION)
ASN1_ITEM_TEMPLATE(AUTHORITY_INFO_ACCESS) = ASN1_EX_TEMPLATE_TYPE(
ASN1_TFLG_SEQUENCE_OF, 0, GeneralNames, ACCESS_DESCRIPTION)
ASN1_ITEM_TEMPLATE_END(AUTHORITY_INFO_ACCESS)
IMPLEMENT_ASN1_FUNCTIONS(AUTHORITY_INFO_ACCESS)
static STACK_OF(CONF_VALUE) *i2v_AUTHORITY_INFO_ACCESS(
const X509V3_EXT_METHOD *method, void *ext, STACK_OF(CONF_VALUE) *ret) {
const AUTHORITY_INFO_ACCESS *ainfo = ext;
ACCESS_DESCRIPTION *desc;
int nlen;
char objtmp[80], *ntmp;
CONF_VALUE *vtmp;
STACK_OF(CONF_VALUE) *tret = ret;
for (size_t i = 0; i < sk_ACCESS_DESCRIPTION_num(ainfo); i++) {
STACK_OF(CONF_VALUE) *tmp;
desc = sk_ACCESS_DESCRIPTION_value(ainfo, i);
tmp = i2v_GENERAL_NAME(method, desc->location, tret);
if (tmp == NULL) {
goto err;
}
tret = tmp;
vtmp = sk_CONF_VALUE_value(tret, i);
i2t_ASN1_OBJECT(objtmp, sizeof objtmp, desc->method);
nlen = strlen(objtmp) + strlen(vtmp->name) + 5;
ntmp = OPENSSL_malloc(nlen);
if (ntmp == NULL) {
goto err;
}
OPENSSL_strlcpy(ntmp, objtmp, nlen);
OPENSSL_strlcat(ntmp, " - ", nlen);
OPENSSL_strlcat(ntmp, vtmp->name, nlen);
OPENSSL_free(vtmp->name);
vtmp->name = ntmp;
}
if (ret == NULL && tret == NULL) {
return sk_CONF_VALUE_new_null();
}
return tret;
err:
if (ret == NULL && tret != NULL) {
sk_CONF_VALUE_pop_free(tret, X509V3_conf_free);
}
return NULL;
}
static void *v2i_AUTHORITY_INFO_ACCESS(const X509V3_EXT_METHOD *method,
const X509V3_CTX *ctx,
const STACK_OF(CONF_VALUE) *nval) {
AUTHORITY_INFO_ACCESS *ainfo = NULL;
ACCESS_DESCRIPTION *acc;
if (!(ainfo = sk_ACCESS_DESCRIPTION_new_null())) {
return NULL;
}
for (size_t i = 0; i < sk_CONF_VALUE_num(nval); i++) {
const CONF_VALUE *cnf = sk_CONF_VALUE_value(nval, i);
if (!(acc = ACCESS_DESCRIPTION_new()) ||
!sk_ACCESS_DESCRIPTION_push(ainfo, acc)) {
goto err;
}
char *ptmp = strchr(cnf->name, ';');
if (!ptmp) {
OPENSSL_PUT_ERROR(X509V3, X509V3_R_INVALID_SYNTAX);
goto err;
}
CONF_VALUE ctmp;
ctmp.name = ptmp + 1;
ctmp.value = cnf->value;
if (!v2i_GENERAL_NAME_ex(acc->location, method, ctx, &ctmp, 0)) {
goto err;
}
char *objtmp = OPENSSL_strndup(cnf->name, ptmp - cnf->name);
if (objtmp == NULL) {
goto err;
}
acc->method = OBJ_txt2obj(objtmp, 0);
if (!acc->method) {
OPENSSL_PUT_ERROR(X509V3, X509V3_R_BAD_OBJECT);
ERR_add_error_data(2, "value=", objtmp);
OPENSSL_free(objtmp);
goto err;
}
OPENSSL_free(objtmp);
}
return ainfo;
err:
sk_ACCESS_DESCRIPTION_pop_free(ainfo, ACCESS_DESCRIPTION_free);
return NULL;
}