163 lines
3.8 KiB
C
163 lines
3.8 KiB
C
/*
|
|
* Copyright (C) 2008 Martin Willi
|
|
* 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.
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#include "medsrv_creds.h"
|
|
|
|
#include <daemon.h>
|
|
#include <library.h>
|
|
#include <utils/enumerator.h>
|
|
|
|
typedef struct private_medsrv_creds_t private_medsrv_creds_t;
|
|
|
|
/**
|
|
* Private data of an medsrv_creds_t object
|
|
*/
|
|
struct private_medsrv_creds_t {
|
|
|
|
/**
|
|
* Public part
|
|
*/
|
|
medsrv_creds_t public;
|
|
|
|
/**
|
|
* underlying database handle
|
|
*/
|
|
database_t *db;
|
|
};
|
|
|
|
/**
|
|
* enumerator over certificates
|
|
*/
|
|
typedef struct {
|
|
/** implements enumerator */
|
|
enumerator_t public;
|
|
/** inner SQL enumerator */
|
|
enumerator_t *inner;
|
|
/** currently enumerated cert */
|
|
certificate_t *current;
|
|
/** type of requested key */
|
|
key_type_t type;
|
|
} cert_enumerator_t;
|
|
|
|
/**
|
|
* Implementation of cert_enumerator_t.public.enumerate
|
|
*/
|
|
static bool cert_enumerator_enumerate(cert_enumerator_t *this,
|
|
certificate_t **cert)
|
|
{
|
|
certificate_t *trusted;
|
|
public_key_t *public;
|
|
chunk_t chunk;
|
|
|
|
DESTROY_IF(this->current);
|
|
while (this->inner->enumerate(this->inner, &chunk))
|
|
{
|
|
public = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_ANY,
|
|
BUILD_BLOB_ASN1_DER, chunk_clone(chunk),
|
|
BUILD_END);
|
|
if (public)
|
|
{
|
|
if (this->type == KEY_ANY || this->type == public->get_type(public))
|
|
{
|
|
trusted = lib->creds->create(lib->creds,
|
|
CRED_CERTIFICATE, CERT_TRUSTED_PUBKEY,
|
|
BUILD_PUBLIC_KEY, public, BUILD_END);
|
|
if (trusted)
|
|
{
|
|
*cert = this->current = trusted;
|
|
return TRUE;
|
|
}
|
|
continue;
|
|
}
|
|
public->destroy(public);
|
|
}
|
|
}
|
|
this->current = NULL;
|
|
return FALSE;
|
|
}
|
|
|
|
/**
|
|
* Implementation of cert_enumerator_t.public.destroy
|
|
*/
|
|
static void cert_enumerator_destroy(cert_enumerator_t *this)
|
|
{
|
|
DESTROY_IF(this->current);
|
|
this->inner->destroy(this->inner);
|
|
free(this);
|
|
}
|
|
|
|
/**
|
|
* Implementation of credential_set_t.create_cert_enumerator.
|
|
*/
|
|
static enumerator_t* create_cert_enumerator(private_medsrv_creds_t *this,
|
|
certificate_type_t cert, key_type_t key,
|
|
identification_t *id, bool trusted)
|
|
{
|
|
cert_enumerator_t *e;
|
|
|
|
if ((cert != CERT_TRUSTED_PUBKEY && cert != CERT_ANY) ||
|
|
id == NULL || id->get_type(id) != ID_KEY_ID)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
e = malloc_thing(cert_enumerator_t);
|
|
e->current = NULL;
|
|
e->type = key;
|
|
e->public.enumerate = (void*)cert_enumerator_enumerate;
|
|
e->public.destroy = (void*)cert_enumerator_destroy;
|
|
e->inner = this->db->query(this->db,
|
|
"SELECT public_key FROM peer WHERE keyid = ?",
|
|
DB_BLOB, id->get_encoding(id),
|
|
DB_BLOB);
|
|
if (!e->inner)
|
|
{
|
|
free(e);
|
|
return NULL;
|
|
}
|
|
return &e->public;
|
|
}
|
|
|
|
/**
|
|
* Implementation of backend_t.destroy.
|
|
*/
|
|
static void destroy(private_medsrv_creds_t *this)
|
|
{
|
|
free(this);
|
|
}
|
|
|
|
/**
|
|
* Described in header.
|
|
*/
|
|
medsrv_creds_t *medsrv_creds_create(database_t *db)
|
|
{
|
|
private_medsrv_creds_t *this = malloc_thing(private_medsrv_creds_t);
|
|
|
|
this->public.set.create_private_enumerator = (void*)return_null;
|
|
this->public.set.create_cert_enumerator = (void*)create_cert_enumerator;
|
|
this->public.set.create_shared_enumerator = (void*)return_null;
|
|
this->public.set.create_cdp_enumerator = (void*)return_null;
|
|
this->public.set.cache_cert = (void*)nop;
|
|
|
|
this->public.destroy = (void (*)(medsrv_creds_t*))destroy;
|
|
|
|
this->db = db;
|
|
|
|
return &this->public;
|
|
}
|
|
|