blob: 8357543288ad2a74947854f3af6949a006ea5f33 (
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
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
#ifndef _NFT_BRIDGE_H_
#define _NFT_BRIDGE_H_
#include <netinet/in.h>
//#include <linux/netfilter_bridge/ebtables.h>
#include <linux/netfilter/x_tables.h>
#include <net/ethernet.h>
/* We use replace->flags, so we can't use the following values:
* 0x01 == OPT_COMMAND, 0x02 == OPT_TABLE, 0x100 == OPT_ZERO */
#define LIST_N 0x04
#define LIST_C 0x08
#define LIST_X 0x10
#define LIST_MAC2 0x20
/* Be backwards compatible, so don't use '+' in kernel */
#define IF_WILDCARD 1
extern unsigned char eb_mac_type_unicast[ETH_ALEN];
extern unsigned char eb_msk_type_unicast[ETH_ALEN];
extern unsigned char eb_mac_type_multicast[ETH_ALEN];
extern unsigned char eb_msk_type_multicast[ETH_ALEN];
extern unsigned char eb_mac_type_broadcast[ETH_ALEN];
extern unsigned char eb_msk_type_broadcast[ETH_ALEN];
extern unsigned char eb_mac_type_bridge_group[ETH_ALEN];
extern unsigned char eb_msk_type_bridge_group[ETH_ALEN];
int ebt_get_mac_and_mask(const char *from, unsigned char *to, unsigned char *mask);
/* From: include/linux/netfilter_bridge/ebtables.h
*
* Adapted for the need of the ebtables-compat.
*/
#define EBT_TABLE_MAXNAMELEN 32
#define EBT_CHAIN_MAXNAMELEN EBT_TABLE_MAXNAMELEN
#define EBT_FUNCTION_MAXNAMELEN EBT_TABLE_MAXNAMELEN
/* verdicts >0 are "branches" */
#define EBT_ACCEPT -1
#define EBT_DROP -2
#define EBT_CONTINUE -3
#define EBT_RETURN -4
#define NUM_STANDARD_TARGETS 4
#define EBT_ENTRY_OR_ENTRIES 0x01
/* these are the normal masks */
#define EBT_NOPROTO 0x02
#define EBT_802_3 0x04
#define EBT_SOURCEMAC 0x08
#define EBT_DESTMAC 0x10
#define EBT_F_MASK (EBT_NOPROTO | EBT_802_3 | EBT_SOURCEMAC | EBT_DESTMAC \
| EBT_ENTRY_OR_ENTRIES)
#define EBT_IPROTO 0x01
#define EBT_IIN 0x02
#define EBT_IOUT 0x04
#define EBT_ISOURCE 0x8
#define EBT_IDEST 0x10
#define EBT_ILOGICALIN 0x20
#define EBT_ILOGICALOUT 0x40
#define EBT_INV_MASK (EBT_IPROTO | EBT_IIN | EBT_IOUT | EBT_ILOGICALIN \
| EBT_ILOGICALOUT | EBT_ISOURCE | EBT_IDEST)
/* Fake ebt_entry */
struct ebt_entry {
/* this needs to be the first field */
unsigned int bitmask;
unsigned int invflags;
uint16_t ethproto;
/* the physical in-dev */
char in[IFNAMSIZ];
/* the logical in-dev */
char logical_in[IFNAMSIZ];
/* the physical out-dev */
char out[IFNAMSIZ];
/* the logical out-dev */
char logical_out[IFNAMSIZ];
unsigned char sourcemac[ETH_ALEN];
unsigned char sourcemsk[ETH_ALEN];
unsigned char destmac[ETH_ALEN];
unsigned char destmsk[ETH_ALEN];
unsigned char in_mask[IFNAMSIZ];
unsigned char out_mask[IFNAMSIZ];
};
struct ebtables_command_state {
struct ebt_entry fw;
struct xtables_target *target;
struct xtables_rule_match *matches;
const char *jumpto;
struct xt_counters counters;
int invert;
int c;
char **argv;
int proto_used;
char *protocol;
unsigned int options;
};
void nft_rule_to_ebtables_command_state(struct nft_rule *r,
struct ebtables_command_state *cs);
#endif
|
