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/* Pluto certificate/CRL/AC builder hooks.
* Copyright (C) 2002-2009 Andreas Steffen
* Copyright (C) 2009 Martin Willi
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "builder.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <time.h>
#include <freeswan.h>
#include <library.h>
#include <credentials/certificates/certificate.h>
#include "constants.h"
#include "defs.h"
#include "log.h"
#include "certs.h"
#include "crl.h"
/**
* Load a certificate
*/
static cert_t *builder_load_cert(certificate_type_t type, va_list args)
{
x509_flag_t flags = 0;
chunk_t blob = chunk_empty;
bool pgp = FALSE;
while (TRUE)
{
switch (va_arg(args, builder_part_t))
{
case BUILD_BLOB_PGP:
pgp = TRUE;
/* FALL */
case BUILD_BLOB_ASN1_DER:
blob = va_arg(args, chunk_t);
continue;
case BUILD_X509_FLAG:
flags |= va_arg(args, x509_flag_t);
continue;
case BUILD_END:
break;
default:
return NULL;
}
break;
}
if (blob.ptr)
{
cert_t *cert = malloc_thing(cert_t);
*cert = cert_empty;
if (pgp)
{
cert->cert = lib->creds->create(lib->creds,
CRED_CERTIFICATE, CERT_GPG,
BUILD_BLOB_PGP, blob,
BUILD_END);
}
else
{
cert->cert = lib->creds->create(lib->creds,
CRED_CERTIFICATE, CERT_X509,
BUILD_BLOB_ASN1_DER, blob,
BUILD_X509_FLAG, flags,
BUILD_END);
}
if (cert->cert)
{
return cert;
}
plog(" error in X.509 certificate");
cert_free(cert);
}
return NULL;
}
/**
* Load a CRL
*/
static x509crl_t *builder_load_crl(certificate_type_t type, va_list args)
{
chunk_t blob = chunk_empty;
x509crl_t *crl;
while (TRUE)
{
switch (va_arg(args, builder_part_t))
{
case BUILD_BLOB_ASN1_DER:
blob = va_arg(args, chunk_t);
continue;
case BUILD_END:
break;
default:
return NULL;
}
break;
}
if (blob.ptr)
{
crl = malloc_thing(x509crl_t);
crl->next = NULL;
crl->distributionPoints = linked_list_create();
crl->crl = lib->creds->create(lib->creds,
CRED_CERTIFICATE, CERT_X509_CRL,
BUILD_BLOB_ASN1_DER, blob,
BUILD_END);
if (crl->crl)
{
return crl;
}
plog(" error in X.509 crl");
free_crl(crl);
}
return NULL;
}
void init_builder(void)
{
lib->creds->add_builder(lib->creds, CRED_CERTIFICATE, CERT_PLUTO_CERT,
(builder_function_t)builder_load_cert);
lib->creds->add_builder(lib->creds, CRED_CERTIFICATE, CERT_PLUTO_CRL,
(builder_function_t)builder_load_crl);
}
void free_builder(void)
{
lib->creds->remove_builder(lib->creds, (builder_function_t)builder_load_cert);
lib->creds->remove_builder(lib->creds, (builder_function_t)builder_load_crl);
}
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