summaryrefslogtreecommitdiffstats
path: root/include/conntrack.h
blob: 31f4f4f78be178caf5df6133505947b1919b377b (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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
#ifndef _CONNTRACK_H
#define _CONNTRACK_H

#include "linux_list.h"
#include <getopt.h>
#include <libnetfilter_conntrack/libnetfilter_conntrack.h>

#define PROGNAME "conntrack"

#include <netinet/in.h>
#ifndef IPPROTO_SCTP
#define IPPROTO_SCTP 132
#endif

enum action {
	CT_NONE		= 0,
	
	CT_LIST_BIT 	= 0,
	CT_LIST 	= (1 << CT_LIST_BIT),
	
	CT_CREATE_BIT	= 1,
	CT_CREATE	= (1 << CT_CREATE_BIT),

	CT_UPDATE_BIT	= 2,
	CT_UPDATE	= (1 << CT_UPDATE_BIT),
	
	CT_DELETE_BIT	= 3,
	CT_DELETE	= (1 << CT_DELETE_BIT),
	
	CT_GET_BIT	= 4,
	CT_GET		= (1 << CT_GET_BIT),

	CT_FLUSH_BIT	= 5,
	CT_FLUSH	= (1 << CT_FLUSH_BIT),

	CT_EVENT_BIT	= 6,
	CT_EVENT	= (1 << CT_EVENT_BIT),

	CT_VERSION_BIT	= 7,
	CT_VERSION	= (1 << CT_VERSION_BIT),

	CT_HELP_BIT	= 8,
	CT_HELP		= (1 << CT_HELP_BIT),

	EXP_LIST_BIT 	= 9,
	EXP_LIST 	= (1 << EXP_LIST_BIT),
	
	EXP_CREATE_BIT	= 10,
	EXP_CREATE	= (1 << EXP_CREATE_BIT),
	
	EXP_DELETE_BIT	= 11,
	EXP_DELETE	= (1 << EXP_DELETE_BIT),
	
	EXP_GET_BIT	= 12,
	EXP_GET		= (1 << EXP_GET_BIT),

	EXP_FLUSH_BIT	= 13,
	EXP_FLUSH	= (1 << EXP_FLUSH_BIT),

	EXP_EVENT_BIT	= 14,
	EXP_EVENT	= (1 << EXP_EVENT_BIT),
};
#define NUMBER_OF_CMD   15

enum options {
	CT_OPT_ORIG_SRC_BIT	= 0,
	CT_OPT_ORIG_SRC 	= (1 << CT_OPT_ORIG_SRC_BIT),
	
	CT_OPT_ORIG_DST_BIT	= 1,
	CT_OPT_ORIG_DST		= (1 << CT_OPT_ORIG_DST_BIT),

	CT_OPT_ORIG		= (CT_OPT_ORIG_SRC | CT_OPT_ORIG_DST),
	
	CT_OPT_REPL_SRC_BIT	= 2,
	CT_OPT_REPL_SRC		= (1 << CT_OPT_REPL_SRC_BIT),
	
	CT_OPT_REPL_DST_BIT	= 3,
	CT_OPT_REPL_DST		= (1 << CT_OPT_REPL_DST_BIT),

	CT_OPT_REPL		= (CT_OPT_REPL_SRC | CT_OPT_REPL_DST),

	CT_OPT_PROTO_BIT	= 4,
	CT_OPT_PROTO		= (1 << CT_OPT_PROTO_BIT),

	CT_OPT_TIMEOUT_BIT	= 5,
	CT_OPT_TIMEOUT		= (1 << CT_OPT_TIMEOUT_BIT),

	CT_OPT_STATUS_BIT	= 6,
	CT_OPT_STATUS		= (1 << CT_OPT_STATUS_BIT),

	CT_OPT_ZERO_BIT		= 7,
	CT_OPT_ZERO		= (1 << CT_OPT_ZERO_BIT),

	CT_OPT_EVENT_MASK_BIT	= 8,
	CT_OPT_EVENT_MASK	= (1 << CT_OPT_EVENT_MASK_BIT),

	CT_OPT_EXP_SRC_BIT	= 9,
	CT_OPT_EXP_SRC		= (1 << CT_OPT_EXP_SRC_BIT),

	CT_OPT_EXP_DST_BIT	= 10,
	CT_OPT_EXP_DST		= (1 << CT_OPT_EXP_DST_BIT),

	CT_OPT_MASK_SRC_BIT	= 11,
	CT_OPT_MASK_SRC		= (1 << CT_OPT_MASK_SRC_BIT),

	CT_OPT_MASK_DST_BIT	= 12,
	CT_OPT_MASK_DST		= (1 << CT_OPT_MASK_DST_BIT),

	CT_OPT_NATRANGE_BIT	= 13,
	CT_OPT_NATRANGE		= (1 << CT_OPT_NATRANGE_BIT),

	CT_OPT_MARK_BIT		= 14,
	CT_OPT_MARK		= (1 << CT_OPT_MARK_BIT),

	CT_OPT_ID_BIT		= 15,
	CT_OPT_ID		= (1 << CT_OPT_ID_BIT),

	CT_OPT_FAMILY_BIT	= 16,
	CT_OPT_FAMILY		= (1 << CT_OPT_FAMILY_BIT),

	CT_OPT_SRC_NAT_BIT	= 17,
	CT_OPT_SRC_NAT		= (1 << CT_OPT_SRC_NAT_BIT),

	CT_OPT_DST_NAT_BIT	= 18,
	CT_OPT_DST_NAT		= (1 << CT_OPT_DST_NAT_BIT),

	CT_OPT_OUTPUT_BIT	= 19,
	CT_OPT_OUTPUT		= (1 << CT_OPT_OUTPUT_BIT),

	CT_OPT_MAX		= CT_OPT_OUTPUT_BIT
};
#define NUMBER_OF_OPT	CT_OPT_MAX+1

enum {
	_O_XML_BIT		= 0,
	_O_XML			= (1 << _O_XML_BIT),

	_O_EXT_BIT		= 1,
	_O_EXT			= (1 << _O_EXT_BIT),

	_O_TMS_BIT		= 2,
	_O_TMS			= (1 << _O_TMS_BIT),
};

struct ctproto_handler {
	struct list_head 	head;

	char 			*name;
	u_int16_t 		protonum;
	char			*version;

	enum ctattr_protoinfo	protoinfo_attr;
	
	int (*parse_opts)(char c, char *argv[], 
		     struct nf_conntrack *ct,
		     struct nf_conntrack *exptuple,
		     struct nf_conntrack *mask,
		     unsigned int *flags);

	int (*final_check)(unsigned int flags,
			   unsigned int command,
			   struct nf_conntrack *ct);

	void (*help)();

	struct option 		*opts;

	unsigned int		option_offset;
};

extern void register_proto(struct ctproto_handler *h);

#endif