update to 1.4.7 and change repositoyry layout as this is easier to maintain

[iptables.git] / extensions / libipt_ECN.c

diff --git a/extensions/libipt_ECN.c b/extensions/libipt_ECN.c
deleted file mode 100644 (file)
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);
-}