contrib/ipfilter/lib/remove_hashnode.c

   1 /*      $FreeBSD$       */
   2
   3 /*
   4  * Copyright (C) 2012 by Darren Reed.
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  *
   8  * $Id$
   9  */
  10
  11 #include <fcntl.h>
  12 #include <sys/ioctl.h>
  13 #include "ipf.h"
  14 #include "netinet/ip_lookup.h"
  15 #include "netinet/ip_htable.h"
  16
  17
  18 int
  19 remove_hashnode(unit, name, node, iocfunc)
  20         int unit;
  21         char *name;
  22         iphtent_t *node;
  23         ioctlfunc_t iocfunc;
  24 {
  25         iplookupop_t op;
  26         iphtent_t ipe;
  27
  28         if (pool_open() == -1)
  29                 return -1;
  30
  31         op.iplo_type = IPLT_HASH;
  32         op.iplo_unit = unit;
  33         op.iplo_size = sizeof(ipe);
  34         op.iplo_struct = &ipe;
  35         op.iplo_arg = 0;
  36         strncpy(op.iplo_name, name, sizeof(op.iplo_name));
  37
  38         bzero((char *)&ipe, sizeof(ipe));
  39         bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
  40               sizeof(ipe.ipe_addr));
  41         bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
  42               sizeof(ipe.ipe_mask));
  43
  44         if (opts & OPT_DEBUG) {
  45                 printf("\t%s - ", inet_ntoa(ipe.ipe_addr.in4));
  46                 printf("%s\n", inet_ntoa(ipe.ipe_mask.in4));
  47         }
  48
  49         if (pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op)) {
  50                 if (!(opts & OPT_DONOTHING)) {
  51                         return ipf_perror_fd(pool_fd(), iocfunc,
  52                                              "remove lookup hash node");
  53                 }
  54         }
  55         return 0;
  56 }