mirror of
https://github.com/oxen-io/session-android.git
synced 2024-11-30 21:45:20 +00:00
209 lines
6.4 KiB
C
209 lines
6.4 KiB
C
/* 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;
|
|
}
|