diff options
Diffstat (limited to 'extensions/libipt_TOS.c')
| -rw-r--r-- | extensions/libipt_TOS.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/extensions/libipt_TOS.c b/extensions/libipt_TOS.c deleted file mode 100644 index 76632ff2..00000000 --- a/extensions/libipt_TOS.c +++ /dev/null @@ -1,159 +0,0 @@ -/* Shared library add-on to iptables to add TOS 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_TOS.h> - -struct tosinfo { - struct xt_entry_target t; - struct ipt_tos_target_info tos; -}; - -/* TOS names and values. */ -static const -struct TOS_value -{ - unsigned char TOS; - const char *name; -} TOS_values[] = { - { IPTOS_LOWDELAY, "Minimize-Delay" }, - { IPTOS_THROUGHPUT, "Maximize-Throughput" }, - { IPTOS_RELIABILITY, "Maximize-Reliability" }, - { IPTOS_MINCOST, "Minimize-Cost" }, - { IPTOS_NORMALSVC, "Normal-Service" }, -}; - -/* Function which prints out usage message. */ -static void TOS_help(void) -{ - unsigned int i; - - printf( -"TOS target v%s options:\n" -" --set-tos value Set Type of Service field to one of the\n" -" following numeric or descriptive values:\n", -IPTABLES_VERSION); - - for (i = 0; i < sizeof(TOS_values)/sizeof(struct TOS_value);i++) - printf(" %s %u (0x%02x)\n", - TOS_values[i].name, - TOS_values[i].TOS, - TOS_values[i].TOS); - fputc('\n', stdout); -} - -static const struct option TOS_opts[] = { - { "set-tos", 1, NULL, '1' }, - { } -}; - -static void -parse_tos(const char *s, struct ipt_tos_target_info *info) -{ - unsigned int i, tos; - - if (string_to_number(s, 0, 255, &tos) != -1) { - if (tos == IPTOS_LOWDELAY - || tos == IPTOS_THROUGHPUT - || tos == IPTOS_RELIABILITY - || tos == IPTOS_MINCOST - || tos == IPTOS_NORMALSVC) { - info->tos = (u_int8_t )tos; - return; - } - } else { - for (i = 0; i<sizeof(TOS_values)/sizeof(struct TOS_value); i++) - if (strcasecmp(s,TOS_values[i].name) == 0) { - info->tos = TOS_values[i].TOS; - return; - } - } - exit_error(PARAMETER_PROBLEM, "Bad TOS value `%s'", s); -} - -/* Function which parses command options; returns true if it - ate an option */ -static int TOS_parse(int c, char **argv, int invert, unsigned int *flags, - const void *entry, struct xt_entry_target **target) -{ - struct ipt_tos_target_info *tosinfo - = (struct ipt_tos_target_info *)(*target)->data; - - switch (c) { - case '1': - if (*flags) - exit_error(PARAMETER_PROBLEM, - "TOS target: Cant specify --set-tos twice"); - parse_tos(optarg, tosinfo); - *flags = 1; - break; - - default: - return 0; - } - - return 1; -} - -static void TOS_check(unsigned int flags) -{ - if (!flags) - exit_error(PARAMETER_PROBLEM, - "TOS target: Parameter --set-tos is required"); -} - -static void -print_tos(u_int8_t tos, int numeric) -{ - unsigned int i; - - if (!numeric) { - for (i = 0; i<sizeof(TOS_values)/sizeof(struct TOS_value); i++) - if (TOS_values[i].TOS == tos) { - printf("%s ", TOS_values[i].name); - return; - } - } - printf("0x%02x ", tos); -} - -/* Prints out the targinfo. */ -static void TOS_print(const void *ip, const struct xt_entry_target *target, - int numeric) -{ - const struct ipt_tos_target_info *tosinfo = - (const struct ipt_tos_target_info *)target->data; - printf("TOS set "); - print_tos(tosinfo->tos, numeric); -} - -/* Saves the union ipt_targinfo in parsable form to stdout. */ -static void TOS_save(const void *ip, const struct xt_entry_target *target) -{ - const struct ipt_tos_target_info *tosinfo = - (const struct ipt_tos_target_info *)target->data; - - printf("--set-tos 0x%02x ", tosinfo->tos); -} - -static struct iptables_target tos_target = { - .name = "TOS", - .version = IPTABLES_VERSION, - .size = IPT_ALIGN(sizeof(struct ipt_tos_target_info)), - .userspacesize = IPT_ALIGN(sizeof(struct ipt_tos_target_info)), - .help = TOS_help, - .parse = TOS_parse, - .final_check = TOS_check, - .print = TOS_print, - .save = TOS_save, - .extra_opts = TOS_opts, -}; - -void _init(void) -{ - register_target(&tos_target); -} |