NetBSD/dist/ipf/lib/remove_hashnode.c

59 lines
1.3 KiB
C

/* $NetBSD: remove_hashnode.c,v 1.1.1.2 2007/04/14 20:17:31 martin Exp $ */
/*
* Copyright (C) 2003 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* Id: remove_hashnode.c,v 1.1.4.1 2006/06/16 17:21:16 darrenr Exp
*/
#include <fcntl.h>
#include <sys/ioctl.h>
#include "ipf.h"
#include "netinet/ip_lookup.h"
#include "netinet/ip_htable.h"
static int hashfd = -1;
int remove_hashnode(unit, name, node, iocfunc)
int unit;
char *name;
iphtent_t *node;
ioctlfunc_t iocfunc;
{
iplookupop_t op;
iphtent_t ipe;
if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
hashfd = open(IPLOOKUP_NAME, O_RDWR);
if ((hashfd == -1) && ((opts & OPT_DONOTHING) == 0))
return -1;
op.iplo_type = IPLT_HASH;
op.iplo_unit = unit;
op.iplo_size = sizeof(ipe);
op.iplo_struct = &ipe;
op.iplo_arg = 0;
strncpy(op.iplo_name, name, sizeof(op.iplo_name));
bzero((char *)&ipe, sizeof(ipe));
bcopy((char *)&node->ipe_addr, (char *)&ipe.ipe_addr,
sizeof(ipe.ipe_addr));
bcopy((char *)&node->ipe_mask, (char *)&ipe.ipe_mask,
sizeof(ipe.ipe_mask));
if (opts & OPT_DEBUG) {
printf("\t%s - ", inet_ntoa(ipe.ipe_addr.in4));
printf("%s\n", inet_ntoa(ipe.ipe_mask.in4));
}
if ((*iocfunc)(hashfd, SIOCLOOKUPDELNODE, &op))
if (!(opts & OPT_DONOTHING)) {
perror("remove_hash:SIOCLOOKUPDELNODE");
return -1;
}
return 0;
}