dist/ipf/lib/nametokva.c

   1 /*      $NetBSD$        */
   2
   3 /*
   4  * Copyright (C) 2002 by Darren Reed.
   5  *
   6  * See the IPFILTER.LICENCE file for details on licencing.
   7  *
   8  * Id: nametokva.c,v 1.1.4.1 2006/06/16 17:21:07 darrenr Exp
   9  */
  10
  11 #include "ipf.h"
  12
  13 #include <sys/ioctl.h>
  14 #include <fcntl.h>
  15
  16 ipfunc_t nametokva(name, iocfunc)
  17 char *name;
  18 ioctlfunc_t iocfunc;
  19 {
  20         ipfunc_resolve_t res;
  21         int fd;
  22
  23         strncpy(res.ipfu_name, name, sizeof(res.ipfu_name));
  24         res.ipfu_addr = NULL;
  25         fd = -1;
  26
  27         if ((opts & OPT_DONOTHING) == 0) {
  28                 fd = open(IPL_NAME, O_RDONLY);
  29                 if (fd == -1)
  30                         return NULL;
  31         }
  32         (void) (*iocfunc)(fd, SIOCFUNCL, &res);
  33         if (fd >= 0)
  34                 close(fd);
  35         if (res.ipfu_addr == NULL)
  36                 res.ipfu_addr = (ipfunc_t)-1;
  37         return res.ipfu_addr;
  38 }