contrib/ipfilter/lib/load_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 load_hashnode(unit, name, node, ttl, iocfunc)
  20         int unit;
  21         char *name;
  22         iphtent_t *node;
  23         int ttl;
  24         ioctlfunc_t iocfunc;
  25 {
  26         iplookupop_t op;
  27         iphtent_t ipe;
  28         char *what;
  29         int err;
  30
  31         if (pool_open() == -1)
  32                 return -1;
  33
  34         op.iplo_type = IPLT_HASH;
  35         op.iplo_unit = unit;
  36         op.iplo_arg = 0;
  37         op.iplo_size = sizeof(ipe);
  38         op.iplo_struct = &ipe;
  39         strncpy(op.iplo_name, name, sizeof(op.iplo_name));
  40
  41         bzero((char *)&ipe, sizeof(ipe));
  42         ipe.ipe_family = node->ipe_family;
  43         ipe.ipe_die = ttl;
  44         bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
  45               sizeof(ipe.ipe_addr));
  46         bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
  47               sizeof(ipe.ipe_mask));
  48         bcopy((char *)&node->ipe_group, (char *)&ipe.ipe_group,
  49               sizeof(ipe.ipe_group));
  50
  51         if ((opts & OPT_REMOVE) == 0) {
  52                 what = "add";
  53                 err = pool_ioctl(iocfunc, SIOCLOOKUPADDNODE, &op);
  54         } else {
  55                 what = "delete";
  56                 err = pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op);
  57         }
  58
  59         if (err != 0)
  60                 if (!(opts & OPT_DONOTHING)) {
  61                         char msg[80];
  62
  63                         sprintf(msg, "%s node from lookup hash table", what);
  64                         return ipf_perror_fd(pool_fd(), iocfunc, msg);
  65                 }
  66         return 0;
  67 }