X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=extensions%2Flibipt_ECN.c;fp=extensions%2Flibipt_ECN.c;h=0000000000000000000000000000000000000000;hb=f81615a1b6e71d36b4f49a38c04805cc52a146c2;hp=9526c37d2e3105014adfb98a23a914fe894dbf7f;hpb=38258638166a4aee377b55922610aa57c410e6f9;p=iptables.git

diff --git a/extensions/libipt_ECN.c b/extensions/libipt_ECN.c
deleted file mode 100644
index 9526c37..0000000
--- a/extensions/libipt_ECN.c
+++ /dev/null
@@ -1,172 +0,0 @@
-/* Shared library add-on to iptables for ECN, $Version$
- *
- * (C) 2002 by Harald Welte <laforge@gnumonks.org>
- *
- * This program is distributed under the terms of GNU GPL v2, 1991
- *
- * libipt_ECN.c borrowed heavily from libipt_DSCP.c
- *
- * $Id$
- */
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-
-#include <iptables.h>
-#include <linux/netfilter_ipv4/ip_tables.h>
-#include <linux/netfilter_ipv4/ipt_ECN.h>
-
-static void ECN_help(void)
-{
-	printf(
-"ECN target options\n"
-"  --ecn-tcp-remove		Remove all ECN bits from TCP header\n");
-}
-
-#if 0
-"ECN target v%s EXPERIMENTAL options (use with extreme care!)\n"
-"  --ecn-ip-ect			Set the IPv4 ECT codepoint (0 to 3)\n"
-"  --ecn-tcp-cwr		Set the IPv4 CWR bit (0 or 1)\n"
-"  --ecn-tcp-ece		Set the IPv4 ECE bit (0 or 1)\n",
-#endif
-
-
-static const struct option ECN_opts[] = {
-	{ "ecn-tcp-remove", 0, NULL, 'F' },
-	{ "ecn-tcp-cwr", 1, NULL, 'G' },
-	{ "ecn-tcp-ece", 1, NULL, 'H' },
-	{ "ecn-ip-ect", 1, NULL, '9' },
-	{ .name = NULL }
-};
-
-static int ECN_parse(int c, char **argv, int invert, unsigned int *flags,
-                     const void *entry, struct xt_entry_target **target)
-{
-	unsigned int result;
-	struct ipt_ECN_info *einfo
-		= (struct ipt_ECN_info *)(*target)->data;
-
-	switch (c) {
-	case 'F':
-		if (*flags)
-			exit_error(PARAMETER_PROBLEM,
-			        "ECN target: Only use --ecn-tcp-remove ONCE!");
-		einfo->operation = IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR;
-		einfo->proto.tcp.ece = 0;
-		einfo->proto.tcp.cwr = 0;
-		*flags = 1;
-		break;
-	case 'G':
-		if (*flags & IPT_ECN_OP_SET_CWR)
-			exit_error(PARAMETER_PROBLEM,
-				"ECN target: Only use --ecn-tcp-cwr ONCE!");
-		if (string_to_number(optarg, 0, 1, &result))
-			exit_error(PARAMETER_PROBLEM,
-				   "ECN target: Value out of range");
-		einfo->operation |= IPT_ECN_OP_SET_CWR;
-		einfo->proto.tcp.cwr = result;
-		*flags |= IPT_ECN_OP_SET_CWR;
-		break;
-	case 'H':
-		if (*flags & IPT_ECN_OP_SET_ECE)
-			exit_error(PARAMETER_PROBLEM,
-				"ECN target: Only use --ecn-tcp-ece ONCE!");
-		if (string_to_number(optarg, 0, 1, &result))
-			exit_error(PARAMETER_PROBLEM,
-				   "ECN target: Value out of range");
-		einfo->operation |= IPT_ECN_OP_SET_ECE;
-		einfo->proto.tcp.ece = result;
-		*flags |= IPT_ECN_OP_SET_ECE;
-		break;
-	case '9':
-		if (*flags & IPT_ECN_OP_SET_IP)
-			exit_error(PARAMETER_PROBLEM,
-				"ECN target: Only use --ecn-ip-ect ONCE!");
-		if (string_to_number(optarg, 0, 3, &result))
-			exit_error(PARAMETER_PROBLEM,
-				   "ECN target: Value out of range");
-		einfo->operation |= IPT_ECN_OP_SET_IP;
-		einfo->ip_ect = result;
-		*flags |= IPT_ECN_OP_SET_IP;
-		break;
-	default:
-		return 0;
-	}
-
-	return 1;
-}
-
-static void ECN_check(unsigned int flags)
-{
-	if (!flags)
-		exit_error(PARAMETER_PROBLEM,
-		           "ECN target: Parameter --ecn-tcp-remove is required");
-}
-
-/* Prints out the targinfo. */
-static void ECN_print(const void *ip, const struct xt_entry_target *target,
-                      int numeric)
-{
-	const struct ipt_ECN_info *einfo =
-		(const struct ipt_ECN_info *)target->data;
-
-	printf("ECN ");
-
-	if (einfo->operation == (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)
-	    && einfo->proto.tcp.ece == 0
-	    && einfo->proto.tcp.cwr == 0)
-		printf("TCP remove ");
-	else {
-		if (einfo->operation & IPT_ECN_OP_SET_ECE)
-			printf("ECE=%u ", einfo->proto.tcp.ece);
-
-		if (einfo->operation & IPT_ECN_OP_SET_CWR)
-			printf("CWR=%u ", einfo->proto.tcp.cwr);
-
-		if (einfo->operation & IPT_ECN_OP_SET_IP)
-			printf("ECT codepoint=%u ", einfo->ip_ect);
-	}
-}
-
-/* Saves the union ipt_targinfo in parsable form to stdout. */
-static void ECN_save(const void *ip, const struct xt_entry_target *target)
-{
-	const struct ipt_ECN_info *einfo =
-		(const struct ipt_ECN_info *)target->data;
-
-	if (einfo->operation == (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)
-	    && einfo->proto.tcp.ece == 0
-	    && einfo->proto.tcp.cwr == 0)
-		printf("--ecn-tcp-remove ");
-	else {
-
-		if (einfo->operation & IPT_ECN_OP_SET_ECE)
-			printf("--ecn-tcp-ece %d ", einfo->proto.tcp.ece);
-
-		if (einfo->operation & IPT_ECN_OP_SET_CWR)
-			printf("--ecn-tcp-cwr %d ", einfo->proto.tcp.cwr);
-
-		if (einfo->operation & IPT_ECN_OP_SET_IP)
-			printf("--ecn-ip-ect %d ", einfo->ip_ect);
-	}
-}
-
-static struct xtables_target ecn_tg_reg = {
-	.name		= "ECN",
-	.version	= XTABLES_VERSION,
-	.family		= PF_INET,
-	.size		= XT_ALIGN(sizeof(struct ipt_ECN_info)),
-	.userspacesize	= XT_ALIGN(sizeof(struct ipt_ECN_info)),
-	.help		= ECN_help,
-	.parse		= ECN_parse,
-	.final_check	= ECN_check,
-	.print		= ECN_print,
-	.save		= ECN_save,
-	.extra_opts	= ECN_opts,
-};
-
-void _init(void)
-{
-	xtables_register_target(&ecn_tg_reg);
-}