load_hashnode.c revision 145519
1145519Sdarrenr/* $FreeBSD: head/contrib/ipfilter/lib/load_hashnode.c 145519 2005-04-25 18:20:15Z darrenr $ */ 2145510Sdarrenr 3145510Sdarrenr/* 4145510Sdarrenr * Copyright (C) 2002 by Darren Reed. 5145510Sdarrenr * 6145510Sdarrenr * See the IPFILTER.LICENCE file for details on licencing. 7145510Sdarrenr * 8145510Sdarrenr * Id: load_hashnode.c,v 1.2.4.1 2004/03/06 14:33:28 darrenr Exp 9145510Sdarrenr */ 10145510Sdarrenr 11145510Sdarrenr#include <fcntl.h> 12145510Sdarrenr#include <sys/ioctl.h> 13145510Sdarrenr#include "ipf.h" 14145510Sdarrenr#include "netinet/ip_lookup.h" 15145510Sdarrenr#include "netinet/ip_htable.h" 16145510Sdarrenr 17145510Sdarrenrstatic int hashfd = -1; 18145510Sdarrenr 19145510Sdarrenr 20145510Sdarrenrint load_hashnode(unit, name, node, iocfunc) 21145510Sdarrenrint unit; 22145510Sdarrenrchar *name; 23145510Sdarrenriphtent_t *node; 24145510Sdarrenrioctlfunc_t iocfunc; 25145510Sdarrenr{ 26145510Sdarrenr iplookupop_t op; 27145510Sdarrenr iphtent_t ipe; 28145510Sdarrenr int err; 29145510Sdarrenr 30145510Sdarrenr if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0)) 31145510Sdarrenr hashfd = open(IPLOOKUP_NAME, O_RDWR); 32145510Sdarrenr if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0)) 33145510Sdarrenr return -1; 34145510Sdarrenr 35145510Sdarrenr op.iplo_type = IPLT_HASH; 36145510Sdarrenr op.iplo_unit = unit; 37145510Sdarrenr op.iplo_arg = 0; 38145510Sdarrenr op.iplo_size = sizeof(ipe); 39145510Sdarrenr op.iplo_struct = &ipe; 40145510Sdarrenr strncpy(op.iplo_name, name, sizeof(op.iplo_name)); 41145510Sdarrenr 42145510Sdarrenr bzero((char *)&ipe, sizeof(ipe)); 43145510Sdarrenr bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr, 44145510Sdarrenr sizeof(ipe.ipe_addr)); 45145510Sdarrenr bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask, 46145510Sdarrenr sizeof(ipe.ipe_mask)); 47145510Sdarrenr bcopy((char *)&node->ipe_group, (char *)&ipe.ipe_group, 48145510Sdarrenr sizeof(ipe.ipe_group)); 49145510Sdarrenr 50145510Sdarrenr if ((opts & OPT_REMOVE) == 0) 51145510Sdarrenr err = (*iocfunc)(hashfd, SIOCLOOKUPADDNODE, &op); 52145510Sdarrenr else 53145510Sdarrenr err = (*iocfunc)(hashfd, SIOCLOOKUPDELNODE, &op); 54145510Sdarrenr 55145510Sdarrenr if (err != 0) 56145510Sdarrenr if (!(opts & OPT_DONOTHING)) { 57145510Sdarrenr perror("load_hash:SIOCLOOKUP*NODE"); 58145510Sdarrenr return -1; 59145510Sdarrenr } 60145510Sdarrenr return 0; 61145510Sdarrenr} 62