dist/ipf/lib/remove_poolnode.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2003 by Darren Reed.
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  *
   8  * Id: remove_poolnode.c,v 1.3.2.1 2006/06/16 17:21:16 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 remove_poolnode(unit, name, node, iocfunc)
  21 int unit;
  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
  29         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  30                 poolfd = open(IPLOOKUP_NAME, O_RDWR);
  31         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  32                 return -1;
  33
  34         op.iplo_unit = unit;
  35         op.iplo_type = IPLT_POOL;
  36         op.iplo_arg = 0;
  37         strncpy(op.iplo_name, name, sizeof(op.iplo_name));
  38         op.iplo_struct = &pn;
  39         op.iplo_size = sizeof(pn);
  40
  41         bzero((char *)&pn, sizeof(pn));
  42         bcopy((char *)&node->ipn_addr, (char *)&pn.ipn_addr,
  43               sizeof(pn.ipn_addr));
  44         bcopy((char *)&node->ipn_mask, (char *)&pn.ipn_mask,
  45               sizeof(pn.ipn_mask));
  46         pn.ipn_info = node->ipn_info;
  47         strncpy(pn.ipn_name, node->ipn_name, sizeof(pn.ipn_name));
  48
  49         if ((*iocfunc)(poolfd, SIOCLOOKUPDELNODE, &op)) {
  50                 if ((opts & OPT_DONOTHING) == 0) {
  51                         perror("remove_pool:SIOCLOOKUPDELNODE");
  52                         return -1;
  53                 }
  54         }
  55
  56         return 0;
  57 }