Index: iptables-1.3.8/extensions/.IMQ-test6 =================================================================== --- /dev/null +++ iptables-1.3.8/extensions/.IMQ-test6 @@ -0,0 +1,3 @@ +#!/bin/sh +# True if IMQ target patch is applied. +[ -f $KERNEL_DIR/net/ipv6/netfilter/ip6t_IMQ.c ] && echo IMQ Index: iptables-1.3.8/extensions/libip6t_IMQ.c =================================================================== --- /dev/null +++ iptables-1.3.8/extensions/libip6t_IMQ.c @@ -0,0 +1,101 @@ +/* Shared library add-on to iptables to add IMQ target support. */ +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <getopt.h> + +#include <ip6tables.h> +#include <linux/netfilter_ipv6/ip6_tables.h> +#include <linux/netfilter_ipv6/ip6t_IMQ.h> + +/* Function which prints out usage message. */ +static void +help(void) +{ + printf( +"IMQ target v%s options:\n" +" --todev <N> enqueue to imq<N>, defaults to 0\n", +IPTABLES_VERSION); +} + +static struct option opts[] = { + { "todev", 1, 0, '1' }, + { 0 } +}; + +/* Initialize the target. */ +static void +init(struct ip6t_entry_target *t, unsigned int *nfcache) +{ + struct ip6t_imq_info *mr = (struct ip6t_imq_info*)t->data; + + mr->todev = 0; + *nfcache |= NFC_UNKNOWN; +} + +/* 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 struct ip6t_entry *entry, + struct ip6t_entry_target **target) +{ + struct ip6t_imq_info *mr = (struct ip6t_imq_info*)(*target)->data; + + switch(c) { + case '1': + if (check_inverse(optarg, &invert, NULL, 0)) + exit_error(PARAMETER_PROBLEM, + "Unexpected `!' after --todev"); + mr->todev=atoi(optarg); + break; + default: + return 0; + } + return 1; +} + +static void +final_check(unsigned int flags) +{ +} + +/* Prints out the targinfo. */ +static void +print(const struct ip6t_ip6 *ip, + const struct ip6t_entry_target *target, + int numeric) +{ + struct ip6t_imq_info *mr = (struct ip6t_imq_info*)target->data; + + printf("IMQ: todev %u ", mr->todev); +} + +/* Saves the union ipt_targinfo in parsable form to stdout. */ +static void +save(const struct ip6t_ip6 *ip, const struct ip6t_entry_target *target) +{ + struct ip6t_imq_info *mr = (struct ip6t_imq_info*)target->data; + + printf("--todev %u", mr->todev); +} + +static struct ip6tables_target imq = { + .next = NULL, + .name = "IMQ", + .version = IPTABLES_VERSION, + .size = IP6T_ALIGN(sizeof(struct ip6t_imq_info)), + .userspacesize = IP6T_ALIGN(sizeof(struct ip6t_imq_info)), + .help = &help, + .init = &init, + .parse = &parse, + .final_check = &final_check, + .print = &print, + .save = &save, + .extra_opts = opts +}; + +static __attribute__((constructor)) void _init(void) +{ + register_target6(&imq); +} Index: iptables-1.3.8/extensions/.IMQ-test =================================================================== --- /dev/null +++ iptables-1.3.8/extensions/.IMQ-test @@ -0,0 +1,3 @@ +#!/bin/sh +# True if IMQ target patch is applied. +[ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_IMQ.c ] && echo IMQ Index: iptables-1.3.8/extensions/libipt_IMQ.c =================================================================== --- /dev/null +++ iptables-1.3.8/extensions/libipt_IMQ.c @@ -0,0 +1,101 @@ +/* Shared library add-on to iptables to add IMQ 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_IMQ.h> + +/* Function which prints out usage message. */ +static void +help(void) +{ + printf( +"IMQ target v%s options:\n" +" --todev <N> enqueue to imq<N>, defaults to 0\n", +IPTABLES_VERSION); +} + +static struct option opts[] = { + { "todev", 1, 0, '1' }, + { 0 } +}; + +/* Initialize the target. */ +static void +init(struct ipt_entry_target *t, unsigned int *nfcache) +{ + struct ipt_imq_info *mr = (struct ipt_imq_info*)t->data; + + mr->todev = 0; + *nfcache |= NFC_UNKNOWN; +} + +/* 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 struct ipt_entry *entry, + struct ipt_entry_target **target) +{ + struct ipt_imq_info *mr = (struct ipt_imq_info*)(*target)->data; + + switch(c) { + case '1': + if (check_inverse(optarg, &invert, NULL, 0)) + exit_error(PARAMETER_PROBLEM, + "Unexpected `!' after --todev"); + mr->todev=atoi(optarg); + break; + default: + return 0; + } + return 1; +} + +static void +final_check(unsigned int flags) +{ +} + +/* Prints out the targinfo. */ +static void +print(const struct ipt_ip *ip, + const struct ipt_entry_target *target, + int numeric) +{ + struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data; + + printf("IMQ: todev %u ", mr->todev); +} + +/* Saves the union ipt_targinfo in parsable form to stdout. */ +static void +save(const struct ipt_ip *ip, const struct ipt_entry_target *target) +{ + struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data; + + printf("--todev %u", mr->todev); +} + +static struct iptables_target imq = { + .next = NULL, + .name = "IMQ", + .version = IPTABLES_VERSION, + .size = IPT_ALIGN(sizeof(struct ipt_imq_info)), + .userspacesize = IPT_ALIGN(sizeof(struct ipt_imq_info)), + .help = &help, + .init = &init, + .parse = &parse, + .final_check = &final_check, + .print = &print, + .save = &save, + .extra_opts = opts +}; + +static __attribute__((constructor)) void _init(void) +{ + register_target(&imq); +}