contrib/ipfilter/lib/load_dstlistnode.c

   1 /*
   2  * Copyright (C) 2012 by Darren Reed.
   3  *
   4  * See the IPFILTER.LICENCE file for details on licencing.
   5  *
   6  * $Id: load_dstlistnode.c,v 1.1.2.5 2012/07/22 08:04:24 darren_r 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
  16 int
  17 load_dstlistnode(role, name, node, iocfunc)
  18         int role;
  19         char *name;
  20         ipf_dstnode_t *node;
  21         ioctlfunc_t iocfunc;
  22 {
  23         iplookupop_t op;
  24         frdest_t *dst;
  25         char *what;
  26         int err;
  27
  28         if (pool_open() == -1)
  29                 return -1;
  30
  31         dst = calloc(1, sizeof(*dst) + node->ipfd_dest.fd_name);
  32         if (dst == NULL)
  33                 return -1;
  34
  35         op.iplo_unit = role;
  36         op.iplo_type = IPLT_DSTLIST;
  37         op.iplo_arg = 0;
  38         op.iplo_struct = dst;
  39         op.iplo_size = sizeof(*dst);
  40         if (node->ipfd_dest.fd_name >= 0)
  41                 op.iplo_size += node->ipfd_dest.fd_name;
  42         (void) strncpy(op.iplo_name, name, sizeof(op.iplo_name));
  43
  44         dst->fd_addr = node->ipfd_dest.fd_addr;
  45         dst->fd_type = node->ipfd_dest.fd_type;
  46         dst->fd_name = node->ipfd_dest.fd_name;
  47         if (node->ipfd_dest.fd_name >= 0)
  48                 bcopy(node->ipfd_names, (char *)dst + sizeof(*dst),
  49                       node->ipfd_dest.fd_name);
  50
  51         if ((opts & OPT_REMOVE) == 0) {
  52                 what = "add";
  53                 err = pool_ioctl(iocfunc, SIOCLOOKUPADDNODE, &op);
  54         } else {
  55                 what = "delete";
  56                 err = pool_ioctl(iocfunc, SIOCLOOKUPDELNODE, &op);
  57         }
  58         free(dst);
  59
  60         if (err != 0) {
  61                 if ((opts & OPT_DONOTHING) == 0) {
  62                         char msg[80];
  63
  64                         (void) sprintf(msg, "%s lookup node", what);
  65                         return ipf_perror_fd(pool_fd(), iocfunc, msg);
  66                 }
  67         }
  68
  69         return 0;
  70 }