1139743Simp/* $NetBSD: remove_hash.c,v 1.1.1.2 2007/04/14 20:17:31 martin Exp $ */ 243412Snewton 343412Snewton/* 443412Snewton * Copyright (C) 2003 by Darren Reed. 543412Snewton * 643412Snewton * See the IPFILTER.LICENCE file for details on licencing. 743412Snewton * 843412Snewton * Id: remove_hash.c,v 1.1.4.1 2006/06/16 17:21:16 darrenr Exp 943412Snewton */ 1043412Snewton 1143412Snewton#include <fcntl.h> 1243412Snewton#include <sys/ioctl.h> 1343412Snewton#include "ipf.h" 1443412Snewton#include "netinet/ip_lookup.h" 1543412Snewton#include "netinet/ip_htable.h" 1643412Snewton 1743412Snewtonstatic int hashfd = -1; 1843412Snewton 1943412Snewton 2043412Snewtonint remove_hash(iphp, iocfunc) 2143412Snewtoniphtable_t *iphp; 2243412Snewtonioctlfunc_t iocfunc; 2343412Snewton{ 2443412Snewton iplookupop_t op; 2543412Snewton iphtable_t iph; 2643412Snewton 2743412Snewton if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0)) 2843412Snewton hashfd = open(IPLOOKUP_NAME, O_RDWR); 2943412Snewton if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0)) 3043412Snewton return -1; 31101709Srwatson 32116174Sobrien op.iplo_type = IPLT_HASH; 33116174Sobrien op.iplo_unit = iphp->iph_unit; 34116174Sobrien strncpy(op.iplo_name, iphp->iph_name, sizeof(op.iplo_name)); 3543412Snewton if (*op.iplo_name == '\0') 36263233Srwatson op.iplo_arg = IPHASH_ANON; 3743412Snewton op.iplo_size = sizeof(iph); 3843412Snewton op.iplo_struct = &iph; 3943412Snewton 4043412Snewton bzero((char *)&iph, sizeof(iph)); 4176166Smarkm iph.iph_unit = iphp->iph_unit; 42141486Sjhb iph.iph_type = iphp->iph_type; 4343412Snewton strncpy(iph.iph_name, iphp->iph_name, sizeof(iph.iph_name)); 4476166Smarkm iph.iph_flags = iphp->iph_flags; 4576166Smarkm 46164033Srwatson if ((*iocfunc)(hashfd, SIOCLOOKUPDELTABLE, &op)) 4776166Smarkm if ((opts & OPT_DONOTHING) == 0) { 4876166Smarkm perror("remove_hash:SIOCLOOKUPDELTABLE"); 49134266Sjhb return -1; 5076166Smarkm } 5143412Snewton 5243412Snewton return 0; 5343412Snewton} 5443412Snewton