diff options
Diffstat (limited to 'lib/remove_hash.c')
-rw-r--r-- | lib/remove_hash.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/lib/remove_hash.c b/lib/remove_hash.c new file mode 100644 index 0000000..55dab91 --- /dev/null +++ b/lib/remove_hash.c @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2003 by Darren Reed. + * + * See the IPFILTER.LICENCE file for details on licencing. + * + * $Id: remove_hash.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_hash(iphp, iocfunc) +iphtable_t *iphp; +ioctlfunc_t iocfunc; +{ + iplookupop_t op; + iphtable_t iph; + + 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 = iphp->iph_unit; + strncpy(op.iplo_name, iphp->iph_name, sizeof(op.iplo_name)); + if (*op.iplo_name == '\0') + op.iplo_arg = IPHASH_ANON; + op.iplo_size = sizeof(iph); + op.iplo_struct = &iph; + + bzero((char *)&iph, sizeof(iph)); + iph.iph_unit = iphp->iph_unit; + iph.iph_type = iphp->iph_type; + strncpy(iph.iph_name, iphp->iph_name, sizeof(iph.iph_name)); + iph.iph_flags = iphp->iph_flags; + + if ((*iocfunc)(hashfd, SIOCLOOKUPDELTABLE, &op)) + if ((opts & OPT_DONOTHING) == 0) { + perror("remove_hash:SIOCLOOKUPDELTABLE"); + return -1; + } + + return 0; +} |