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