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

[iptables.git] / extensions / libipt_ah.c

diff --git a/extensions/libipt_ah.c b/extensions/libipt_ah.c
deleted file mode 100644 (file)
index 182b51a..0000000
--- a/extensions/libipt_ah.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/* Shared library add-on to iptables to add AH support. */
-#include <stdio.h>
-#include <netdb.h>
-#include <string.h>
-#include <stdlib.h>
-#include <getopt.h>
-#include <errno.h>
-#include <iptables.h>
-#include <linux/netfilter_ipv4/ipt_ah.h>
-                                        
-/* Function which prints out usage message. */
-static void ah_help(void)
-{
-       printf(
-"ah match options:\n"
-" --ahspi [!] spi[:spi]\n"
-"                              match spi (range)\n");
-}
-
-static const struct option ah_opts[] = {
-       { "ahspi", 1, NULL, '1' },
-       { .name = NULL }
-};
-
-static u_int32_t
-parse_ah_spi(const char *spistr)
-{
-       unsigned long int spi;
-       char* ep;
-
-       spi =  strtoul(spistr,&ep,0) ;
-
-       if ( spistr == ep ) {
-               exit_error(PARAMETER_PROBLEM,
-                          "AH no valid digits in spi `%s'", spistr);
-       }
-       if ( spi == ULONG_MAX  && errno == ERANGE ) {
-               exit_error(PARAMETER_PROBLEM,
-                          "spi `%s' specified too big: would overflow", spistr);
-       }       
-       if ( *spistr != '\0'  && *ep != '\0' ) {
-               exit_error(PARAMETER_PROBLEM,
-                          "AH error parsing spi `%s'", spistr);
-       }
-       return (u_int32_t) spi;
-}
-
-static void
-parse_ah_spis(const char *spistring, u_int32_t *spis)
-{
-       char *buffer;
-       char *cp;
-
-       buffer = strdup(spistring);
-       if ((cp = strchr(buffer, ':')) == NULL)
-               spis[0] = spis[1] = parse_ah_spi(buffer);
-       else {
-               *cp = '\0';
-               cp++;
-
-               spis[0] = buffer[0] ? parse_ah_spi(buffer) : 0;
-               spis[1] = cp[0] ? parse_ah_spi(cp) : 0xFFFFFFFF;
-       }
-       free(buffer);
-}
-
-/* Initialize the match. */
-static void ah_init(struct xt_entry_match *m)
-{
-       struct ipt_ah *ahinfo = (struct ipt_ah *)m->data;
-
-       ahinfo->spis[1] = 0xFFFFFFFF;
-}
-
-#define AH_SPI 0x01
-
-/* Function which parses command options; returns true if it
-   ate an option */
-static int ah_parse(int c, char **argv, int invert, unsigned int *flags,
-                    const void *entry, struct xt_entry_match **match)
-{
-       struct ipt_ah *ahinfo = (struct ipt_ah *)(*match)->data;
-
-       switch (c) {
-       case '1':
-               if (*flags & AH_SPI)
-                       exit_error(PARAMETER_PROBLEM,
-                                  "Only one `--ahspi' allowed");
-               check_inverse(optarg, &invert, &optind, 0);
-               parse_ah_spis(argv[optind-1], ahinfo->spis);
-               if (invert)
-                       ahinfo->invflags |= IPT_AH_INV_SPI;
-               *flags |= AH_SPI;
-               break;
-       default:
-               return 0;
-       }
-
-       return 1;
-}
-
-static void
-print_spis(const char *name, u_int32_t min, u_int32_t max,
-           int invert)
-{
-       const char *inv = invert ? "!" : "";
-
-       if (min != 0 || max != 0xFFFFFFFF || invert) {
-               printf("%s", name);
-               if (min == max) {
-                       printf(":%s", inv);
-                       printf("%u", min);
-               } else {
-                       printf("s:%s", inv);
-                       printf("%u",min);
-                       printf(":");
-                       printf("%u",max);
-               }
-               printf(" ");
-       }
-}
-
-/* Prints out the union ipt_matchinfo. */
-static void ah_print(const void *ip, const struct xt_entry_match *match,
-                     int numeric)
-{
-       const struct ipt_ah *ah = (struct ipt_ah *)match->data;
-
-       printf("ah ");
-       print_spis("spi", ah->spis[0], ah->spis[1],
-                   ah->invflags & IPT_AH_INV_SPI);
-       if (ah->invflags & ~IPT_AH_INV_MASK)
-               printf("Unknown invflags: 0x%X ",
-                      ah->invflags & ~IPT_AH_INV_MASK);
-}
-
-/* Saves the union ipt_matchinfo in parsable form to stdout. */
-static void ah_save(const void *ip, const struct xt_entry_match *match)
-{
-       const struct ipt_ah *ahinfo = (struct ipt_ah *)match->data;
-
-       if (!(ahinfo->spis[0] == 0
-           && ahinfo->spis[1] == 0xFFFFFFFF)) {
-               printf("--ahspi %s", 
-                       (ahinfo->invflags & IPT_AH_INV_SPI) ? "! " : "");
-               if (ahinfo->spis[0]
-                   != ahinfo->spis[1])
-                       printf("%u:%u ",
-                              ahinfo->spis[0],
-                              ahinfo->spis[1]);
-               else
-                       printf("%u ",
-                              ahinfo->spis[0]);
-       }
-
-}
-
-static struct xtables_match ah_mt_reg = {
-       .name           = "ah",
-       .version        = XTABLES_VERSION,
-       .family         = PF_INET,
-       .size           = XT_ALIGN(sizeof(struct ipt_ah)),
-       .userspacesize  = XT_ALIGN(sizeof(struct ipt_ah)),
-       .help           = ah_help,
-       .init           = ah_init,
-       .parse          = ah_parse,
-       .print          = ah_print,
-       .save           = ah_save,
-       .extra_opts     = ah_opts,
-};
-
-void
-_init(void)
-{
-       xtables_register_match(&ah_mt_reg);
-}