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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 <freeswan.h>
#include "library.h"
#include "constants.h"
#include "defs.h"
#include "log.h"
#include "id.h"
#include "certs.h"
/**
* currently building cert_t
*/
static cert_t *cert;
/**
* builder add function
*/
static void add(builder_t *this, builder_part_t part, ...)
{
chunk_t blob;
va_list args;
va_start(args, part);
blob = va_arg(args, chunk_t);
va_end(args);
switch (part)
{
case BUILD_BLOB_PGP:
{
pgpcert_t *pgpcert = malloc_thing(pgpcert_t);
*pgpcert = pgpcert_empty;
if (parse_pgp(blob, pgpcert))
{
cert->type = CERT_PGP;
cert->u.pgp = pgpcert;
}
else
{
plog(" error in OpenPGP certificate");
free_pgpcert(pgpcert);
}
break;
}
case BUILD_BLOB_ASN1_DER:
{
x509cert_t *x509cert = malloc_thing(x509cert_t);
*x509cert = empty_x509cert;
if (parse_x509cert(blob, 0, x509cert))
{
cert->type = CERT_X509_SIGNATURE;
cert->u.x509 = x509cert;
}
else
{
plog(" error in X.509 certificate");
free_x509cert(x509cert);
}
break;
}
default:
builder_cancel(this);
break;
}
}
/**
* builder build function
*/
static void *build(builder_t *this)
{
free(this);
if (cert->type == CERT_NONE)
{
return NULL;
}
return cert;
}
/**
* certificate builder in cert_t format.
*/
static builder_t *cert_builder(credential_type_t type, int subtype)
{
builder_t *this;
if (subtype != CRED_TYPE_CERTIFICATE)
{
return NULL;
}
this = malloc_thing(builder_t);
this->add = add;
this->build = build;
cert->type = CERT_NONE;
cert->u.x509 = NULL;
cert->u.pgp = NULL;
return this;
}
void init_builder(void)
{
lib->creds->add_builder(lib->creds, CRED_PLUTO_CERT, CRED_TYPE_CERTIFICATE,
(builder_constructor_t)cert_builder);
}
void free_builder(void)
{
lib->creds->remove_builder(lib->creds, (builder_constructor_t)cert_builder);
}
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