diff options
Diffstat (limited to 'extensions/libipt_CLASSIFY.c')
-rw-r--r-- | extensions/libipt_CLASSIFY.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/extensions/libipt_CLASSIFY.c b/extensions/libipt_CLASSIFY.c deleted file mode 100644 index 3096edc..0000000 --- a/extensions/libipt_CLASSIFY.c +++ /dev/null @@ -1,128 +0,0 @@ -/* Shared library add-on to iptables to add CLASSIFY target support. */ -#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_CLASSIFY.h> -#include <linux/types.h> -#include <linux/pkt_sched.h> - -/* Function which prints out usage message. */ -static void -help(void) -{ - printf( -"CLASSIFY target v%s options:\n" -" --set-class [MAJOR:MINOR] Set skb->priority value\n" -"\n", -IPTABLES_VERSION); -} - -static const struct option opts[] = { - { "set-class", 1, 0, '1' }, - { 0 } -}; - -/* Initialize the target. */ -static void -init(struct xt_entry_target *t, unsigned int *nfcache) -{ -} - -int 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 -parse(int c, char **argv, int invert, unsigned int *flags, - const void *entry, - struct xt_entry_target **target) -{ - struct ipt_classify_target_info *clinfo - = (struct ipt_classify_target_info *)(*target)->data; - - switch (c) { - case '1': - if (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; - - default: - return 0; - } - - return 1; -} - -static void -final_check(unsigned int flags) -{ - if (!flags) - exit_error(PARAMETER_PROBLEM, - "CLASSIFY: Parameter --set-class is required"); -} - -static void -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 -print(const void *ip, - const struct xt_entry_target *target, - int numeric) -{ - const struct ipt_classify_target_info *clinfo = - (const struct ipt_classify_target_info *)target->data; - printf("CLASSIFY set "); - print_class(clinfo->priority, numeric); -} - -/* Saves the union ipt_targinfo in parsable form to stdout. */ -static void -save(const void *ip, const struct xt_entry_target *target) -{ - const struct ipt_classify_target_info *clinfo = - (const struct ipt_classify_target_info *)target->data; - - printf("--set-class %.4x:%.4x ", - TC_H_MAJ(clinfo->priority)>>16, TC_H_MIN(clinfo->priority)); -} - -static struct iptables_target classify = { - .name = "CLASSIFY", - .version = IPTABLES_VERSION, - .size = IPT_ALIGN(sizeof(struct ipt_classify_target_info)), - .userspacesize = IPT_ALIGN(sizeof(struct ipt_classify_target_info)), - .help = &help, - .init = &init, - .parse = &parse, - .final_check = &final_check, - .print = &print, - .save = &save, - .extra_opts = opts -}; - -void _init(void) -{ - register_target(&classify); -} |