1 /* $FreeBSD$ */ 2 3 /* 4 * Copyright (C) 2012 by Darren Reed. 5 * 6 * See the IPFILTER.LICENCE file for details on licencing. 7 * 8 * $Id$ 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_DONTOPEN) == 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 } 39