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
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
|
#ifndef _CONNTRACK_H
#define _CONNTRACK_H
#include "linux_list.h"
#include <stdint.h>
#include <libnetfilter_conntrack/libnetfilter_conntrack.h>
#define PROGNAME "conntrack"
#include <netinet/in.h>
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),
CT_COUNT_BIT = 15,
CT_COUNT = (1 << CT_COUNT_BIT),
EXP_COUNT_BIT = 16,
EXP_COUNT = (1 << EXP_COUNT_BIT),
X_STATS_BIT = 17,
X_STATS = (1 << X_STATS_BIT),
};
#define NUMBER_OF_CMD 18
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_TUPLE_ORIG = (CT_OPT_ORIG | CT_OPT_PROTO),
CT_OPT_TUPLE_REPL = (CT_OPT_REPL | CT_OPT_PROTO),
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_SECMARK_BIT = 20,
CT_OPT_SECMARK = (1 << CT_OPT_SECMARK_BIT),
CT_OPT_BUFFERSIZE_BIT = 21,
CT_OPT_BUFFERSIZE = (1 << CT_OPT_BUFFERSIZE_BIT),
CT_OPT_MAX = CT_OPT_BUFFERSIZE_BIT
};
#define NUMBER_OF_OPT CT_OPT_MAX+1
enum {
_O_XML = (1 << 0),
_O_EXT = (1 << 1),
_O_TMS = (1 << 2),
_O_ID = (1 << 3),
};
struct ctproto_handler {
struct list_head head;
const char *name;
uint16_t protonum;
const char *version;
enum ctattr_protoinfo protoinfo_attr;
int (*parse_opts)(char c,
struct nf_conntrack *ct,
struct nf_conntrack *exptuple,
struct nf_conntrack *mask,
unsigned int *flags);
void (*final_check)(unsigned int flags,
unsigned int command,
struct nf_conntrack *ct);
void (*help)(void);
struct option *opts;
unsigned int option_offset;
};
enum exittype {
OTHER_PROBLEM = 1,
PARAMETER_PROBLEM,
VERSION_PROBLEM
};
int generic_opt_check(int options, int nops,
char *optset, const char *optflg[],
unsigned int *coupled_flags, int coupled_flags_size,
int *partial);
void exit_error(enum exittype status, const char *msg, ...);
extern void register_proto(struct ctproto_handler *h);
extern void register_tcp(void);
extern void register_udp(void);
extern void register_udplite(void);
extern void register_sctp(void);
extern void register_dccp(void);
extern void register_icmp(void);
extern void register_icmpv6(void);
extern void register_gre(void);
extern void register_unknown(void);
#endif
|
