1 /* 2 * Copyright (C) 2012 by Darren Reed. 3 * 4 * See the IPFILTER.LICENCE file for details on licencing. 5 * 6 * $Id: poolio.c,v 1.1.2.3 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 static int poolfd = -1; 16 17 18 int 19 pool_open(void) 20 { 21 22 if ((opts & OPT_DONTOPEN) != 0) 23 return(0); 24 25 if (poolfd == -1) 26 poolfd = open(IPLOOKUP_NAME, O_RDWR); 27 return(poolfd); 28 } 29 30 int 31 pool_ioctl(iocfunc, cmd, ptr) 32 ioctlfunc_t iocfunc; 33 ioctlcmd_t cmd; 34 void *ptr; 35 { 36 return(*iocfunc)(poolfd, cmd, ptr); 37 } 38 39 40 void 41 pool_close(void) 42 { 43 if (poolfd != -1) { 44 close(poolfd); 45 poolfd = -1; 46 } 47 } 48 49 int 50 pool_fd(void) 51 { 52 return(poolfd); 53 } 54