dist/ipf/lib/load_poolnode.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2003-2004 by Darren Reed.
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  *
   8  * Id: load_poolnode.c,v 1.3.2.3 2006/06/16 17:21:06 darrenr Exp
   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_pool.h"
  16
  17 static int poolfd = -1;
  18
  19
  20 int load_poolnode(role, name, node, iocfunc)
  21 int role;
  22 char *name;
  23 ip_pool_node_t *node;
  24 ioctlfunc_t iocfunc;
  25 {
  26         ip_pool_node_t pn;
  27         iplookupop_t op;
  28         int err;
  29
  30         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  31                 poolfd = open(IPLOOKUP_NAME, O_RDWR);
  32         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  33                 return -1;
  34
  35         op.iplo_unit = role;
  36         op.iplo_type = IPLT_POOL;
  37         op.iplo_arg = 0;
  38         op.iplo_struct = &pn;
  39         op.iplo_size = sizeof(pn);
  40         strncpy(op.iplo_name, name, sizeof(op.iplo_name));
  41
  42         bzero((char *)&pn, sizeof(pn));
  43         bcopy((char *)&node->ipn_addr, (char *)&pn.ipn_addr,
  44               sizeof(pn.ipn_addr));
  45         bcopy((char *)&node->ipn_mask, (char *)&pn.ipn_mask,
  46               sizeof(pn.ipn_mask));
  47         pn.ipn_info = node->ipn_info;
  48         strncpy(pn.ipn_name, node->ipn_name, sizeof(pn.ipn_name));
  49
  50         if ((opts & OPT_REMOVE) == 0)
  51                 err = (*iocfunc)(poolfd, SIOCLOOKUPADDNODE, &op);
  52         else
  53                 err = (*iocfunc)(poolfd, SIOCLOOKUPDELNODE, &op);
  54
  55         if (err != 0) {
  56                 if ((opts & OPT_DONOTHING) == 0) {
  57                         perror("load_poolnode:SIOCLOOKUP*NODE");
  58                         return -1;
  59                 }
  60         }
  61
  62         return 0;
  63 }