aboutsummaryrefslogtreecommitdiffstats
path: root/tools/remus/imqebt/extensions/ebt_standard.c
blob: 2c36cff0a3535a21ad0c9b531ba19fafb2b6362c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
/* ebt_standard
 *
 * Authors:
 * Bart De Schuymer <bdschuym@pandora.be>
 *
 * April, 2002
 */

#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include "../include/ebtables_u.h"

static struct option opts[] =
{
       {0}
};

static void print_help(void)
{
       printf("Standard targets: DROP, ACCEPT, RETURN or CONTINUE;\n"
              "The target can also be a user defined chain.\n");
}

static void init(struct ebt_entry_target *t)
{
       ((struct ebt_standard_target *)t)->verdict = EBT_CONTINUE;
}

static int parse(int c, char **argv, int argc, const struct ebt_u_entry *entry,
   unsigned int *flags, struct ebt_entry_target **target)
{
       return 0;
}

static void final_check(const struct ebt_u_entry *entry,
   const struct ebt_entry_target *target, const char *name,
   unsigned int hookmask, unsigned int time)
{
}

static void print(const struct ebt_u_entry *entry,
   const struct ebt_entry_target *target)
{
       int verdict = ((struct ebt_standard_target *)target)->verdict;

       if (verdict >= 0) {
               struct ebt_u_entries *entries;

               entries = entry->replace->chains[verdict + NF_BR_NUMHOOKS];
               printf("%s", entries->name);
               return;
       }
       if (verdict == EBT_CONTINUE)
               printf("CONTINUE ");
       else if (verdict == EBT_ACCEPT)
               printf("ACCEPT ");
       else if (verdict == EBT_DROP)
               printf("DROP ");
       else if (verdict == EBT_RETURN)
               printf("RETURN ");
       else
               ebt_print_bug("Bad standard target");
}

static int compare(const struct ebt_entry_target *t1,
   const struct ebt_entry_target *t2)
{
       return ((struct ebt_standard_target *)t1)->verdict ==
          ((struct ebt_standard_target *)t2)->verdict;
}

static struct ebt_u_target standard =
{
       .name           = "standard",
       .size           = sizeof(struct ebt_standard_target) -
                         sizeof(struct ebt_entry_target),
       .help           = print_help,
       .init           = init,
       .parse          = parse,
       .final_check    = final_check,
       .print          = print,
       .compare        = compare,
       .extra_ops      = opts,
};

void _init(void)
{
       ebt_register_target(&standard);
}