/* Copyright (C) 2007-2010 Open Information Security Foundation
 *
 * You can copy, redistribute or modify this Program under the terms of
 * the GNU General Public License version 2 as published by the Free
 * Software Foundation.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */

/**
 * \file
 *
 * \author Pablo Rincon <pablo.rincon.crespo@gmail.com>
 */

#ifndef __DETECT_RPC_H__
#define __DETECT_RPC_H__

/* At least we check the program, the version is optional,
 * and the procedure is optional if we are checking the version.
 * If we parse the wildcard "*" we will allow any value (no check) */
#define    DETECT_RPC_CHECK_PROGRAM   0x01
#define    DETECT_RPC_CHECK_VERSION   0x02
#define    DETECT_RPC_CHECK_PROCEDURE 0x04

/** Simple struct for a rpc msg call */
typedef struct RpcMsg_ {
     uint32_t xid;
     uint32_t type;     /**< CALL = 0 (We only search for CALLS */
     uint32_t rpcvers;  /**< must be equal to two (2) */
     uint32_t prog;
     uint32_t vers;
     uint32_t proc;
} RpcMsg;

/* Extract uint32_t */
#define EXT_GET_UINT32T(buf)      ((long)ntohl((long)*(buf)++))

typedef struct DetectRpcData_ {
    uint32_t program;
    uint32_t program_version;
    uint32_t procedure;
    uint8_t flags;
} DetectRpcData;

/* prototypes */
void DetectRpcRegister (void);

#endif /* __DETECT_RPC_H__ */