usr/src/cmd/ipf/lib/common/remove_poolnode.c

   1 /*
   2  * Copyright (C) 2002 by Darren Reed.
   3  *
   4  * See the IPFILTER.LICENCE file for details on licencing.
   5  *
   6  * $Id: remove_poolnode.c,v 1.3 2003/11/22 10:14:36 darrenr Exp $
   7  */
   8
   9 #include <fcntl.h>
  10 #include <sys/ioctl.h>
  11 #include "ipf.h"
  12 #include "netinet/ip_lookup.h"
  13 #include "netinet/ip_pool.h"
  14
  15 static int poolfd = -1;
  16
  17
  18 int remove_poolnode(unit, name, node, iocfunc)
  19 int unit;
  20 char *name;
  21 ip_pool_node_t *node;
  22 ioctlfunc_t iocfunc;
  23 {
  24         ip_pool_node_t pn;
  25         iplookupop_t op;
  26
  27         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  28                 poolfd = open(IPLOOKUP_NAME, O_RDWR);
  29         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  30                 return -1;
  31
  32         op.iplo_unit = unit;
  33         op.iplo_type = IPLT_POOL;
  34         op.iplo_arg = 0;
  35         strncpy(op.iplo_name, name, sizeof(op.iplo_name));
  36         op.iplo_struct = &pn;
  37         op.iplo_size = sizeof(pn);
  38
  39         bzero((char *)&pn, sizeof(pn));
  40         bcopy((char *)&node->ipn_addr, (char *)&pn.ipn_addr,
  41               sizeof(pn.ipn_addr));
  42         bcopy((char *)&node->ipn_mask, (char *)&pn.ipn_mask,
  43               sizeof(pn.ipn_mask));
  44         pn.ipn_info = node->ipn_info;
  45         strncpy(pn.ipn_name, node->ipn_name, sizeof(pn.ipn_name));
  46
  47         if ((*iocfunc)(poolfd, SIOCLOOKUPDELNODE, &op)) {
  48                 if ((opts & OPT_DONOTHING) == 0) {
  49                         perror("remove_pool:SIOCLOOKUPDELNODE");
  50                         return -1;
  51                 }
  52         }
  53
  54         return 0;
  55 }