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

[iptables.git] / extensions / libxt_TCPMSS.c

diff --git a/extensions/libxt_TCPMSS.c b/extensions/libxt_TCPMSS.c
deleted file mode 100644 (file)
index fbf73c9..0000000
--- a/extensions/libxt_TCPMSS.c
+++ /dev/null
@@ -1,158 +0,0 @@
-/* Shared library add-on to iptables to add TCPMSS target support.
- *
- * Copyright (c) 2000 Marc Boucher
-*/
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-
-#include <xtables.h>
-#include <linux/netfilter/x_tables.h>
-#include <linux/netfilter/xt_TCPMSS.h>
-
-struct mssinfo {
-       struct xt_entry_target t;
-       struct xt_tcpmss_info mss;
-};
-
-/* Function which prints out usage message. */
-static void __TCPMSS_help(int hdrsize)
-{
-       printf(
-"TCPMSS target mutually-exclusive options:\n"
-"  --set-mss value               explicitly set MSS option to specified value\n"
-"  --clamp-mss-to-pmtu           automatically clamp MSS value to (path_MTU - %d)\n",
-hdrsize);
-}
-
-static void TCPMSS_help(void)
-{
-       __TCPMSS_help(40);
-}
-
-static void TCPMSS_help6(void)
-{
-       __TCPMSS_help(60);
-}
-
-static const struct option TCPMSS_opts[] = {
-       { "set-mss", 1, NULL, '1' },
-       { "clamp-mss-to-pmtu", 0, NULL, '2' },
-       { .name = NULL }
-};
-
-/* Function which parses command options; returns true if it
-   ate an option */
-static int __TCPMSS_parse(int c, char **argv, int invert, unsigned int *flags,
-                          const void *entry, struct xt_entry_target **target,
-                          int hdrsize)
-{
-       struct xt_tcpmss_info *mssinfo
-               = (struct xt_tcpmss_info *)(*target)->data;
-
-       switch (c) {
-               unsigned int mssval;
-
-       case '1':
-               if (*flags)
-                       exit_error(PARAMETER_PROBLEM,
-                                  "TCPMSS target: Only one option may be specified");
-               if (string_to_number(optarg, 0, 65535 - hdrsize, &mssval) == -1)
-                       exit_error(PARAMETER_PROBLEM, "Bad TCPMSS value `%s'", optarg);
-               
-               mssinfo->mss = mssval;
-               *flags = 1;
-               break;
-
-       case '2':
-               if (*flags)
-                       exit_error(PARAMETER_PROBLEM,
-                                  "TCPMSS target: Only one option may be specified");
-               mssinfo->mss = XT_TCPMSS_CLAMP_PMTU;
-               *flags = 1;
-               break;
-
-       default:
-               return 0;
-       }
-
-       return 1;
-}
-
-static int TCPMSS_parse(int c, char **argv, int invert, unsigned int *flags,
-                        const void *entry, struct xt_entry_target **target)
-{
-       return __TCPMSS_parse(c, argv, invert, flags, entry, target, 40);
-}
-
-static int TCPMSS_parse6(int c, char **argv, int invert, unsigned int *flags,
-                         const void *entry, struct xt_entry_target **target)
-{
-       return __TCPMSS_parse(c, argv, invert, flags, entry, target, 60);
-}
-
-static void TCPMSS_check(unsigned int flags)
-{
-       if (!flags)
-               exit_error(PARAMETER_PROBLEM,
-                          "TCPMSS target: At least one parameter is required");
-}
-
-/* Prints out the targinfo. */
-static void TCPMSS_print(const void *ip, const struct xt_entry_target *target,
-                         int numeric)
-{
-       const struct xt_tcpmss_info *mssinfo =
-               (const struct xt_tcpmss_info *)target->data;
-       if(mssinfo->mss == XT_TCPMSS_CLAMP_PMTU)
-               printf("TCPMSS clamp to PMTU ");
-       else
-               printf("TCPMSS set %u ", mssinfo->mss);
-}
-
-/* Saves the union ipt_targinfo in parsable form to stdout. */
-static void TCPMSS_save(const void *ip, const struct xt_entry_target *target)
-{
-       const struct xt_tcpmss_info *mssinfo =
-               (const struct xt_tcpmss_info *)target->data;
-
-       if(mssinfo->mss == XT_TCPMSS_CLAMP_PMTU)
-               printf("--clamp-mss-to-pmtu ");
-       else
-               printf("--set-mss %u ", mssinfo->mss);
-}
-
-static struct xtables_target tcpmss_target = {
-       .family         = AF_INET,
-       .name           = "TCPMSS",
-       .version        = XTABLES_VERSION,
-       .size           = XT_ALIGN(sizeof(struct xt_tcpmss_info)),
-       .userspacesize  = XT_ALIGN(sizeof(struct xt_tcpmss_info)),
-       .help           = TCPMSS_help,
-       .parse          = TCPMSS_parse,
-       .final_check    = TCPMSS_check,
-       .print          = TCPMSS_print,
-       .save           = TCPMSS_save,
-       .extra_opts     = TCPMSS_opts,
-};
-
-static struct xtables_target tcpmss_target6 = {
-       .family         = AF_INET6,
-       .name           = "TCPMSS",
-       .version        = XTABLES_VERSION,
-       .size           = XT_ALIGN(sizeof(struct xt_tcpmss_info)),
-       .userspacesize  = XT_ALIGN(sizeof(struct xt_tcpmss_info)),
-       .help           = TCPMSS_help6,
-       .parse          = TCPMSS_parse6,
-       .final_check    = TCPMSS_check,
-       .print          = TCPMSS_print,
-       .save           = TCPMSS_save,
-       .extra_opts     = TCPMSS_opts,
-};
-
-void _init(void)
-{
-       xtables_register_target(&tcpmss_target);
-       xtables_register_target(&tcpmss_target6);
-}