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

   1 /*
   2  * Copyright (C) 2002 by Darren Reed.
   3  *
   4  * See the IPFILTER.LICENCE file for details on licencing.
   5  *
   6  * $Id: load_poolnode.c,v 1.3.2.1 2004/03/06 14:33:29 darrenr Exp $
   7  *
   8  * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
   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 #include "ipfzone.h"
  17
  18 static int poolfd = -1;
  19
  20
  21 int load_poolnode(role, name, node, iocfunc)
  22 int role;
  23 char *name;
  24 ip_pool_node_t *node;
  25 ioctlfunc_t iocfunc;
  26 {
  27         ip_pool_node_t pn;
  28         iplookupop_t op;
  29         int err;
  30
  31         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  32                 poolfd = open(IPLOOKUP_NAME, O_RDWR);
  33         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  34                 return -1;
  35         if (setzone(poolfd) != 0) {
  36                 close(poolfd);
  37                 return -1;
  38         }
  39
  40         op.iplo_unit = role;
  41         op.iplo_type = IPLT_POOL;
  42         op.iplo_arg = 0;
  43         op.iplo_struct = &pn;
  44         op.iplo_size = sizeof(pn);
  45         strncpy(op.iplo_name, name, sizeof(op.iplo_name));
  46
  47         bzero((char *)&pn, sizeof(pn));
  48         bcopy((char *)&node->ipn_addr, (char *)&pn.ipn_addr,
  49               sizeof(pn.ipn_addr));
  50         bcopy((char *)&node->ipn_mask, (char *)&pn.ipn_mask,
  51               sizeof(pn.ipn_mask));
  52         pn.ipn_info = node->ipn_info;
  53         strncpy(pn.ipn_name, node->ipn_name, sizeof(pn.ipn_name));
  54
  55         if ((opts & OPT_REMOVE) == 0)
  56                 err = (*iocfunc)(poolfd, SIOCLOOKUPADDNODE, &op);
  57         else
  58                 err = (*iocfunc)(poolfd, SIOCLOOKUPDELNODE, &op);
  59
  60         if (err != 0) {
  61                 if ((opts & OPT_DONOTHING) == 0) {
  62                         perror("load_pool:SIOCLOOKUP*NODE");
  63                         return -1;
  64                 }
  65         }
  66
  67         return 0;
  68 }