release/src/router/miniupnpd/upnppermissions.h

   1 /* $Id: upnppermissions.h,v 1.9 2012/09/27 16:00:10 nanard Exp $ */
   2 /* MiniUPnP project
   3  * http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   4  * (c) 2006 Thomas Bernard
   5  * This software is subject to the conditions detailed
   6  * in the LICENCE file provided within the distribution */
   7
   8 #ifndef UPNPPERMISSIONS_H_INCLUDED
   9 #define UPNPPERMISSIONS_H_INCLUDED
  10
  11 #include <sys/types.h>
  12 #include <sys/socket.h>
  13 #include <netinet/in.h>
  14 #include "config.h"
  15
  16 /* UPnP permission rule samples:
  17  * allow 1024-65535 192.168.3.0/24 1024-65535
  18  * deny 0-65535 192.168.1.125/32 0-65535 */
  19 struct upnpperm {
  20         enum {UPNPPERM_ALLOW=1, UPNPPERM_DENY=2 } type;
  21                                 /* is it an allow or deny permission rule ? */
  22         u_short eport_min, eport_max;   /* external port range */
  23         struct in_addr address, mask;   /* ip/mask */
  24         u_short iport_min, iport_max;   /* internal port range */
  25 };
  26
  27 /* read_permission_line()
  28  * returns: 0 line read okay
  29  *          -1 error reading line
  30  *
  31  * line sample :
  32  *  allow 1024-65535 192.168.3.0/24 1024-65535
  33  *  allow 22 192.168.4.33/32 22
  34  *  deny 0-65535 0.0.0.0/0 0-65535 */
  35 int
  36 read_permission_line(struct upnpperm * perm,
  37                      char * p);
  38
  39 /* check_upnp_rule_against_permissions()
  40  * returns: 0 if the upnp rule should be rejected,
  41  *          1 if it could be accepted */
  42 int
  43 check_upnp_rule_against_permissions(const struct upnpperm * permary,
  44                                     int n_perms,
  45                                     u_short eport, struct in_addr address,
  46                                     u_short iport);
  47
  48 #ifdef USE_MINIUPNPDCTL
  49 void
  50 write_permlist(int fd, const struct upnpperm * permary,
  51                int nperms);
  52 #endif
  53
  54 #endif
  55