91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
/* ebt_standard
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*
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* Authors:
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* Bart De Schuymer <bdschuym@pandora.be>
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*
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* April, 2002
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include "../include/ebtables_u.h"
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static const struct option opts[] =
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{
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{0}
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};
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static void print_help()
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{
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printf("Standard targets: DROP, ACCEPT, RETURN or CONTINUE;\n"
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"The target can also be a user defined chain.\n");
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}
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static void init(struct ebt_entry_target *t)
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{
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((struct ebt_standard_target *)t)->verdict = EBT_CONTINUE;
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}
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static int parse(int c, char **argv, int argc, const struct ebt_u_entry *entry,
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unsigned int *flags, struct ebt_entry_target **target)
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{
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return 0;
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}
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static void final_check(const struct ebt_u_entry *entry,
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const struct ebt_entry_target *target, const char *name,
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unsigned int hookmask, unsigned int time)
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{
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}
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static void print(const struct ebt_u_entry *entry,
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const struct ebt_entry_target *target)
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{
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int verdict = ((struct ebt_standard_target *)target)->verdict;
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if (verdict >= 0) {
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struct ebt_u_entries *entries;
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entries = entry->replace->chains[verdict + NF_BR_NUMHOOKS];
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printf("%s", entries->name);
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return;
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}
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if (verdict == EBT_CONTINUE)
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printf("CONTINUE ");
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else if (verdict == EBT_ACCEPT)
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printf("ACCEPT ");
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else if (verdict == EBT_DROP)
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printf("DROP ");
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else if (verdict == EBT_RETURN)
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printf("RETURN ");
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else
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ebt_print_bug("Bad standard target");
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}
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static int compare(const struct ebt_entry_target *t1,
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const struct ebt_entry_target *t2)
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{
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return ((struct ebt_standard_target *)t1)->verdict ==
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((struct ebt_standard_target *)t2)->verdict;
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}
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static struct ebt_u_target standard =
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{
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.name = "standard",
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.size = sizeof(struct ebt_standard_target) -
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sizeof(struct ebt_entry_target),
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.help = print_help,
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.init = init,
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.parse = parse,
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.final_check = final_check,
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.print = print,
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.compare = compare,
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.extra_ops = opts,
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};
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__attribute__((constructor)) static void extension_init(void)
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{
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ebt_register_target(&standard);
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}
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