X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=extensions%2Flibipt_REDIRECT.c;fp=extensions%2Flibipt_REDIRECT.c;h=0000000000000000000000000000000000000000;hb=f81615a1b6e71d36b4f49a38c04805cc52a146c2;hp=c03562b1beb21e26e977afe035d91a657ce162c2;hpb=38258638166a4aee377b55922610aa57c410e6f9;p=iptables.git

diff --git a/extensions/libipt_REDIRECT.c b/extensions/libipt_REDIRECT.c
deleted file mode 100644
index c03562b..0000000
--- a/extensions/libipt_REDIRECT.c
+++ /dev/null
@@ -1,179 +0,0 @@
-/* Shared library add-on to iptables to add redirect support. */
-#include <stdio.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <iptables.h>
-#include <linux/netfilter_ipv4/ip_tables.h>
-#include <linux/netfilter/nf_nat.h>
-
-#define IPT_REDIRECT_OPT_DEST	0x01
-#define IPT_REDIRECT_OPT_RANDOM	0x02
-
-/* Function which prints out usage message. */
-static void REDIRECT_help(void)
-{
-	printf(
-"REDIRECT target options:\n"
-" --to-ports <port>[-<port>]\n"
-"				Port (range) to map to.\n");
-}
-
-static const struct option REDIRECT_opts[] = {
-	{ "to-ports", 1, NULL, '1' },
-	{ "random", 0, NULL, '2' },
-	{ .name = NULL }
-};
-
-/* Initialize the target. */
-static void REDIRECT_init(struct xt_entry_target *t)
-{
-	struct ip_nat_multi_range *mr = (struct ip_nat_multi_range *)t->data;
-
-	/* Actually, it's 0, but it's ignored at the moment. */
-	mr->rangesize = 1;
-
-}
-
-/* Parses ports */
-static void
-parse_ports(const char *arg, struct ip_nat_multi_range *mr)
-{
-	const char *dash;
-	int port;
-
-	mr->range[0].flags |= IP_NAT_RANGE_PROTO_SPECIFIED;
-
-	if (strchr(arg, '.'))
-		exit_error(PARAMETER_PROBLEM, "IP address not permitted\n");
-
-	port = atoi(arg);
-	if (port == 0)
-		port = service_to_port(arg, NULL);
-
-	if (port == 0 || port > 65535)
-		exit_error(PARAMETER_PROBLEM, "Port `%s' not valid\n", arg);
-
-	dash = strchr(arg, '-');
-	if (!dash) {
-		mr->range[0].min.tcp.port
-			= mr->range[0].max.tcp.port
-			= htons(port);
-	} else {
-		int maxport;
-
-		maxport = atoi(dash + 1);
-		if (maxport == 0 || maxport > 65535)
-			exit_error(PARAMETER_PROBLEM,
-				   "Port `%s' not valid\n", dash+1);
-		if (maxport < port)
-			/* People are stupid. */
-			exit_error(PARAMETER_PROBLEM,
-				   "Port range `%s' funky\n", arg);
-		mr->range[0].min.tcp.port = htons(port);
-		mr->range[0].max.tcp.port = htons(maxport);
-	}
-}
-
-/* Function which parses command options; returns true if it
-   ate an option */
-static int REDIRECT_parse(int c, char **argv, int invert, unsigned int *flags,
-                          const void *e, struct xt_entry_target **target)
-{
-	const struct ipt_entry *entry = e;
-	struct ip_nat_multi_range *mr
-		= (struct ip_nat_multi_range *)(*target)->data;
-	int portok;
-
-	if (entry->ip.proto == IPPROTO_TCP
-	    || entry->ip.proto == IPPROTO_UDP
-	    || entry->ip.proto == IPPROTO_ICMP)
-		portok = 1;
-	else
-		portok = 0;
-
-	switch (c) {
-	case '1':
-		if (!portok)
-			exit_error(PARAMETER_PROBLEM,
-				   "Need TCP or UDP with port specification");
-
-		if (check_inverse(optarg, &invert, NULL, 0))
-			exit_error(PARAMETER_PROBLEM,
-				   "Unexpected `!' after --to-ports");
-
-		parse_ports(optarg, mr);
-		if (*flags & IPT_REDIRECT_OPT_RANDOM)
-			mr->range[0].flags |= IP_NAT_RANGE_PROTO_RANDOM;
-		*flags |= IPT_REDIRECT_OPT_DEST;
-		return 1;
-
-	case '2':
-		if (*flags & IPT_REDIRECT_OPT_DEST) {
-			mr->range[0].flags |= IP_NAT_RANGE_PROTO_RANDOM;
-			*flags |= IPT_REDIRECT_OPT_RANDOM;
-		} else
-			*flags |= IPT_REDIRECT_OPT_RANDOM;
-		return 1;
-
-	default:
-		return 0;
-	}
-}
-
-/* Prints out the targinfo. */
-static void REDIRECT_print(const void *ip, const struct xt_entry_target *target,
-                           int numeric)
-{
-	struct ip_nat_multi_range *mr
-		= (struct ip_nat_multi_range *)target->data;
-	struct ip_nat_range *r = &mr->range[0];
-
-	if (r->flags & IP_NAT_RANGE_PROTO_SPECIFIED) {
-		printf("redir ports ");
-		printf("%hu", ntohs(r->min.tcp.port));
-		if (r->max.tcp.port != r->min.tcp.port)
-			printf("-%hu", ntohs(r->max.tcp.port));
-		printf(" ");
-		if (mr->range[0].flags & IP_NAT_RANGE_PROTO_RANDOM)
-			printf("random ");
-	}
-}
-
-/* Saves the union ipt_targinfo in parsable form to stdout. */
-static void REDIRECT_save(const void *ip, const struct xt_entry_target *target)
-{
-	struct ip_nat_multi_range *mr
-		= (struct ip_nat_multi_range *)target->data;
-	struct ip_nat_range *r = &mr->range[0];
-
-	if (r->flags & IP_NAT_RANGE_PROTO_SPECIFIED) {
-		printf("--to-ports ");
-		printf("%hu", ntohs(r->min.tcp.port));
-		if (r->max.tcp.port != r->min.tcp.port)
-			printf("-%hu", ntohs(r->max.tcp.port));
-		printf(" ");
-		if (mr->range[0].flags & IP_NAT_RANGE_PROTO_RANDOM)
-			printf("--random ");
-	}
-}
-
-static struct xtables_target redirect_tg_reg = {
-	.name		= "REDIRECT",
-	.version	= XTABLES_VERSION,
-	.family		= PF_INET,
-	.size		= XT_ALIGN(sizeof(struct ip_nat_multi_range)),
-	.userspacesize	= XT_ALIGN(sizeof(struct ip_nat_multi_range)),
-	.help		= REDIRECT_help,
-	.init		= REDIRECT_init,
- 	.parse		= REDIRECT_parse,
-	.print		= REDIRECT_print,
-	.save		= REDIRECT_save,
-	.extra_opts	= REDIRECT_opts,
-};
-
-void _init(void)
-{
-	xtables_register_target(&redirect_tg_reg);
-}