firewall.h

00001 /********************************************************************\
00002  * This program is free software; you can redistribute it and/or    *
00003  * modify it under the terms of the GNU General Public License as   *
00004  * published by the Free Software Foundation; either version 2 of   *
00005  * the License, or (at your option) any later version.              *
00006  *                                                                  *
00007  * This program is distributed in the hope that it will be useful,  *
00008  * but WITHOUT ANY WARRANTY; without even the implied warranty of   *
00009  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the    *
00010  * GNU General Public License for more details.                     *
00011  *                                                                  *
00012  * You should have received a copy of the GNU General Public License*
00013  * along with this program; if not, contact:                        *
00014  *                                                                  *
00015  * Free Software Foundation           Voice:  +1-617-542-5942       *
00016  * 59 Temple Place - Suite 330        Fax:    +1-617-542-2652       *
00017  * Boston, MA  02111-1307,  USA       gnu@gnu.org                   *
00018  *                                                                  *
00019 \********************************************************************/
00020 
00021 /* $Id: firewall.h 1241 2007-06-24 04:13:13Z benoitg $ */
00027 #ifndef _FIREWALL_H_
00028 #define _FIREWALL_H_
00029 
00030 int icmp_fd;
00031 
00033 typedef enum _t_fw_marks {
00034     FW_MARK_PROBATION = 1, 
00036     FW_MARK_KNOWN = 2,  
00037     FW_MARK_LOCKED = 254 
00038 } t_fw_marks;
00039 
00041 int fw_init(void);
00042 
00044 void fw_clear_authservers(void);
00045 
00047 void fw_set_authservers(void);
00048 
00050 int fw_destroy(void);
00051 
00053 int fw_allow(char *ip, char *mac, int profile);
00054 
00056 int fw_deny(char *ip, char *mac, int profile);
00057 
00059 void fw_sync_with_authserver(void);
00060 
00062 char *arp_get(char *req_ip);
00063 
00065 void icmp_ping(char *host);
00066 
00068 unsigned short rand16(void);
00069 
00070 #endif /* _FIREWALL_H_ */

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