+++ /dev/null
-/* Shared library add-on to iptables to add CLASSIFY target support. */
-#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_CLASSIFY.h>
-#include <linux/types.h>
-#include <linux/pkt_sched.h>
-
-/* Function which prints out usage message. */
-static void
-CLASSIFY_help(void)
-{
- printf(
-"CLASSIFY target options:\n"
-" --set-class [MAJOR:MINOR] Set skb->priority value\n"
-" --add-mark Add value of skb->mark to skb->priority (PlanetLab specific)\n");
-}
-
-static const struct option CLASSIFY_opts[] = {
- { "set-class", 1, NULL, '1' },
- { "add-mark", 0, 0, '2' },
- { .name = NULL }
-};
-
-static int CLASSIFY_string_to_priority(const char *s, unsigned int *p)
-{
- unsigned int i, j;
-
- if (sscanf(s, "%x:%x", &i, &j) != 2)
- return 1;
-
- *p = TC_H_MAKE(i<<16, j);
- return 0;
-}
-
-/* Function which parses command options; returns true if it
- ate an option */
-static int
-CLASSIFY_parse(int c, char **argv, int invert, unsigned int *flags,
- const void *entry,
- struct xt_entry_target **target)
-{
- struct xt_classify_target_info *clinfo
- = (struct xt_classify_target_info *)(*target)->data;
-
- clinfo->add_mark = 0;
-
- switch (c) {
- case '1':
- if (CLASSIFY_string_to_priority(optarg, &clinfo->priority))
- exit_error(PARAMETER_PROBLEM,
- "Bad class value `%s'", optarg);
- if (*flags)
- exit_error(PARAMETER_PROBLEM,
- "CLASSIFY: Can't specify --set-class twice");
- *flags = 1;
- break;
-
- case '2':
- clinfo->add_mark = 1;
- break;
-
- default:
- return 0;
- }
-
- return 1;
-}
-
-static void
-CLASSIFY_final_check(unsigned int flags)
-{
- if (!flags)
- exit_error(PARAMETER_PROBLEM,
- "CLASSIFY: Parameter --set-class is required");
-}
-
-static void
-CLASSIFY_print_class(unsigned int priority, int numeric)
-{
- printf("%x:%x ", TC_H_MAJ(priority)>>16, TC_H_MIN(priority));
-}
-
-/* Prints out the targinfo. */
-static void
-CLASSIFY_print(const void *ip,
- const struct xt_entry_target *target,
- int numeric)
-{
- const struct xt_classify_target_info *clinfo =
- (const struct xt_classify_target_info *)target->data;
- printf("CLASSIFY set ");
- CLASSIFY_print_class(clinfo->priority, numeric);
-
- if (clinfo->add_mark)
- printf ("add-mark ");
-}
-
-/* Saves the union ipt_targinfo in parsable form to stdout. */
-static void
-CLASSIFY_save(const void *ip, const struct xt_entry_target *target)
-{
- const struct xt_classify_target_info *clinfo =
- (const struct xt_classify_target_info *)target->data;
-
- printf("--set-class %.4x:%.4x ",
- TC_H_MAJ(clinfo->priority)>>16, TC_H_MIN(clinfo->priority));
-
- if (clinfo->add_mark)
- printf("--add-mark ");
-}
-
-static struct xtables_target classify_target = {
- .family = AF_UNSPEC,
- .name = "CLASSIFY",
- .version = XTABLES_VERSION,
- .size = XT_ALIGN(sizeof(struct xt_classify_target_info)),
- .userspacesize = XT_ALIGN(sizeof(struct xt_classify_target_info)),
- .help = CLASSIFY_help,
- .parse = CLASSIFY_parse,
- .final_check = CLASSIFY_final_check,
- .print = CLASSIFY_print,
- .save = CLASSIFY_save,
- .extra_opts = CLASSIFY_opts,
-};
-
-void _init(void)
-{
- xtables_register_target(&classify_target);
-}