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

   1 /*
   2  * Copyright (C) 2002 by Darren Reed.
   3  *
   4  * See the IPFILTER.LICENCE file for details on licencing.
   5  *
   6  * $Id: load_pool.c,v 1.14.2.2 2005/02/01 02:44:06 darrenr Exp $
   7  *
   8  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   9  * Use is subject to license terms.
  10  *
  11  * Copyright (c) 2014, Joyent, Inc.  All rights reserved.
  12  */
  13
  14 #include <fcntl.h>
  15 #include <sys/ioctl.h>
  16 #include "ipf.h"
  17 #include "netinet/ip_lookup.h"
  18 #include "netinet/ip_pool.h"
  19 #include "ipfzone.h"
  20
  21 static int poolfd = -1;
  22
  23
  24 int load_pool(plp, iocfunc)
  25 ip_pool_t *plp;
  26 ioctlfunc_t iocfunc;
  27 {
  28         iplookupop_t op;
  29         ip_pool_node_t *a;
  30         ip_pool_t pool;
  31
  32         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  33                 poolfd = open(IPLOOKUP_NAME, O_RDWR);
  34         if ((poolfd == -1) && ((opts & OPT_DONOTHING) == 0))
  35                 return -1;
  36         if (setzone(poolfd) != 0) {
  37                 close(poolfd);
  38                 return -1;
  39         }
  40
  41         op.iplo_unit = plp->ipo_unit;
  42         op.iplo_type = IPLT_POOL;
  43         op.iplo_arg = 0;
  44         strncpy(op.iplo_name, plp->ipo_name, sizeof(op.iplo_name));
  45         op.iplo_size = sizeof(pool);
  46         op.iplo_struct = &pool;
  47         bzero((char *)&pool, sizeof(pool));
  48         strncpy(pool.ipo_name, plp->ipo_name, sizeof(pool.ipo_name));
  49         if (*plp->ipo_name == '\0')
  50                 op.iplo_arg |= IPOOL_ANON;
  51
  52         if ((opts & OPT_REMOVE) == 0) {
  53                 if ((*iocfunc)(poolfd, SIOCLOOKUPADDTABLE, &op))
  54                         if ((opts & OPT_DONOTHING) == 0) {
  55                                 perror("load_pool:SIOCLOOKUPADDTABLE");
  56                                 return -1;
  57                         }
  58         }
  59
  60         if ((opts & OPT_VERBOSE) != 0) {
  61                 pool.ipo_list = plp->ipo_list;
  62                 printpool(&pool, bcopywrap, pool.ipo_name, opts);
  63                 pool.ipo_list = NULL;
  64         }
  65
  66         for (a = plp->ipo_list; a != NULL; a = a->ipn_next)
  67                 load_poolnode(plp->ipo_unit, plp->ipo_name, a, iocfunc);
  68
  69         if ((opts & OPT_REMOVE) != 0) {
  70                 if ((*iocfunc)(poolfd, SIOCLOOKUPDELTABLE, &op))
  71                         if ((opts & OPT_DONOTHING) == 0) {
  72                                 perror("load_pool:SIOCLOOKUPDELTABLE");
  73                                 return -1;
  74                         }
  75         }
  76         return 0;
  77 }