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
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
|
/* Copyright (C) 2000-2002 Joakim Axelsson <gozem@linux.nu>
* Patrick Schaaf <bof@bof.de>
* Martin Josefsson <gandalf@wlug.westbo.se>
* Copyright (C) 2003-2011 Jozsef Kadlecsik <kadlec@netfilter.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _IP_SET_H
#define _IP_SET_H
#include <linux/types.h>
/* The protocol versions */
#define IPSET_PROTOCOL 7
#define IPSET_PROTOCOL_MIN 6
/* The max length of strings including NUL: set and type identifiers */
#define IPSET_MAXNAMELEN 32
/* The maximum permissible comment length we will accept over netlink */
#define IPSET_MAX_COMMENT_SIZE 255
/* Message types and commands */
enum ipset_cmd {
IPSET_CMD_NONE,
IPSET_CMD_PROTOCOL, /* 1: Return protocol version */
IPSET_CMD_CREATE, /* 2: Create a new (empty) set */
IPSET_CMD_DESTROY, /* 3: Destroy a (empty) set */
IPSET_CMD_FLUSH, /* 4: Remove all elements from a set */
IPSET_CMD_RENAME, /* 5: Rename a set */
IPSET_CMD_SWAP, /* 6: Swap two sets */
IPSET_CMD_LIST, /* 7: List sets */
IPSET_CMD_SAVE, /* 8: Save sets */
IPSET_CMD_ADD, /* 9: Add an element to a set */
IPSET_CMD_DEL, /* 10: Delete an element from a set */
IPSET_CMD_TEST, /* 11: Test an element in a set */
IPSET_CMD_HEADER, /* 12: Get set header data only */
IPSET_CMD_TYPE, /* 13: Get set type */
IPSET_CMD_GET_BYNAME, /* 14: Get set index by name */
IPSET_CMD_GET_BYINDEX, /* 15: Get set name by index */
IPSET_MSG_MAX, /* Netlink message commands */
/* Commands in userspace: */
IPSET_CMD_RESTORE = IPSET_MSG_MAX, /* 16: Enter restore mode */
IPSET_CMD_HELP, /* 17: Get help */
IPSET_CMD_VERSION, /* 18: Get program version */
IPSET_CMD_QUIT, /* 19: Quit from interactive mode */
IPSET_CMD_MAX,
IPSET_CMD_COMMIT = IPSET_CMD_MAX, /* 20: Commit buffered commands */
};
/* Attributes at command level */
enum {
IPSET_ATTR_UNSPEC,
IPSET_ATTR_PROTOCOL, /* 1: Protocol version */
IPSET_ATTR_SETNAME, /* 2: Name of the set */
IPSET_ATTR_TYPENAME, /* 3: Typename */
IPSET_ATTR_SETNAME2 = IPSET_ATTR_TYPENAME, /* Setname at rename/swap */
IPSET_ATTR_REVISION, /* 4: Settype revision */
IPSET_ATTR_FAMILY, /* 5: Settype family */
IPSET_ATTR_FLAGS, /* 6: Flags at command level */
IPSET_ATTR_DATA, /* 7: Nested attributes */
IPSET_ATTR_ADT, /* 8: Multiple data containers */
IPSET_ATTR_LINENO, /* 9: Restore lineno */
IPSET_ATTR_PROTOCOL_MIN, /* 10: Minimal supported version number */
IPSET_ATTR_REVISION_MIN = IPSET_ATTR_PROTOCOL_MIN, /* type rev min */
IPSET_ATTR_INDEX, /* 11: Kernel index of set */
__IPSET_ATTR_CMD_MAX,
};
#define IPSET_ATTR_CMD_MAX (__IPSET_ATTR_CMD_MAX - 1)
/* CADT specific attributes */
enum {
IPSET_ATTR_IP = IPSET_ATTR_UNSPEC + 1,
IPSET_ATTR_IP_FROM = IPSET_ATTR_IP,
IPSET_ATTR_IP_TO, /* 2 */
IPSET_ATTR_CIDR, /* 3 */
IPSET_ATTR_PORT, /* 4 */
IPSET_ATTR_PORT_FROM = IPSET_ATTR_PORT,
IPSET_ATTR_PORT_TO, /* 5 */
IPSET_ATTR_TIMEOUT, /* 6 */
IPSET_ATTR_PROTO, /* 7 */
IPSET_ATTR_CADT_FLAGS, /* 8 */
IPSET_ATTR_CADT_LINENO = IPSET_ATTR_LINENO, /* 9 */
IPSET_ATTR_MARK, /* 10 */
IPSET_ATTR_MARKMASK, /* 11 */
/* Reserve empty slots */
IPSET_ATTR_CADT_MAX = 16,
/* Create-only specific attributes */
IPSET_ATTR_GC,
IPSET_ATTR_HASHSIZE,
IPSET_ATTR_MAXELEM,
IPSET_ATTR_NETMASK,
IPSET_ATTR_PROBES,
IPSET_ATTR_RESIZE,
IPSET_ATTR_SIZE,
/* Kernel-only */
IPSET_ATTR_ELEMENTS,
IPSET_ATTR_REFERENCES,
IPSET_ATTR_MEMSIZE,
__IPSET_ATTR_CREATE_MAX,
};
#define IPSET_ATTR_CREATE_MAX (__IPSET_ATTR_CREATE_MAX - 1)
/* ADT specific attributes */
enum {
IPSET_ATTR_ETHER = IPSET_ATTR_CADT_MAX + 1,
IPSET_ATTR_NAME,
IPSET_ATTR_NAMEREF,
IPSET_ATTR_IP2,
IPSET_ATTR_CIDR2,
IPSET_ATTR_IP2_TO,
IPSET_ATTR_IFACE,
IPSET_ATTR_BYTES,
IPSET_ATTR_PACKETS,
IPSET_ATTR_COMMENT,
IPSET_ATTR_SKBMARK,
IPSET_ATTR_SKBPRIO,
IPSET_ATTR_SKBQUEUE,
IPSET_ATTR_PAD,
__IPSET_ATTR_ADT_MAX,
};
#define IPSET_ATTR_ADT_MAX (__IPSET_ATTR_ADT_MAX - 1)
/* IP specific attributes */
enum {
IPSET_ATTR_IPADDR_IPV4 = IPSET_ATTR_UNSPEC + 1,
IPSET_ATTR_IPADDR_IPV6,
__IPSET_ATTR_IPADDR_MAX,
};
#define IPSET_ATTR_IPADDR_MAX (__IPSET_ATTR_IPADDR_MAX - 1)
/* Error codes */
enum ipset_errno {
IPSET_ERR_PRIVATE = 4096,
IPSET_ERR_PROTOCOL,
IPSET_ERR_FIND_TYPE,
IPSET_ERR_MAX_SETS,
IPSET_ERR_BUSY,
IPSET_ERR_EXIST_SETNAME2,
IPSET_ERR_TYPE_MISMATCH,
IPSET_ERR_EXIST,
IPSET_ERR_INVALID_CIDR,
IPSET_ERR_INVALID_NETMASK,
IPSET_ERR_INVALID_FAMILY,
IPSET_ERR_TIMEOUT,
IPSET_ERR_REFERENCED,
IPSET_ERR_IPADDR_IPV4,
IPSET_ERR_IPADDR_IPV6,
IPSET_ERR_COUNTER,
IPSET_ERR_COMMENT,
IPSET_ERR_INVALID_MARKMASK,
IPSET_ERR_SKBINFO,
/* Type specific error codes */
IPSET_ERR_TYPE_SPECIFIC = 4352,
};
/* Flags at command level or match/target flags, lower half of cmdattrs*/
enum ipset_cmd_flags {
IPSET_FLAG_BIT_EXIST = 0,
IPSET_FLAG_EXIST = (1 << IPSET_FLAG_BIT_EXIST),
IPSET_FLAG_BIT_LIST_SETNAME = 1,
IPSET_FLAG_LIST_SETNAME = (1 << IPSET_FLAG_BIT_LIST_SETNAME),
IPSET_FLAG_BIT_LIST_HEADER = 2,
IPSET_FLAG_LIST_HEADER = (1 << IPSET_FLAG_BIT_LIST_HEADER),
IPSET_FLAG_BIT_SKIP_COUNTER_UPDATE = 3,
IPSET_FLAG_SKIP_COUNTER_UPDATE =
(1 << IPSET_FLAG_BIT_SKIP_COUNTER_UPDATE),
IPSET_FLAG_BIT_SKIP_SUBCOUNTER_UPDATE = 4,
IPSET_FLAG_SKIP_SUBCOUNTER_UPDATE =
(1 << IPSET_FLAG_BIT_SKIP_SUBCOUNTER_UPDATE),
IPSET_FLAG_BIT_MATCH_COUNTERS = 5,
IPSET_FLAG_MATCH_COUNTERS = (1 << IPSET_FLAG_BIT_MATCH_COUNTERS),
IPSET_FLAG_BIT_RETURN_NOMATCH = 7,
IPSET_FLAG_RETURN_NOMATCH = (1 << IPSET_FLAG_BIT_RETURN_NOMATCH),
IPSET_FLAG_BIT_MAP_SKBMARK = 8,
IPSET_FLAG_MAP_SKBMARK = (1 << IPSET_FLAG_BIT_MAP_SKBMARK),
IPSET_FLAG_BIT_MAP_SKBPRIO = 9,
IPSET_FLAG_MAP_SKBPRIO = (1 << IPSET_FLAG_BIT_MAP_SKBPRIO),
IPSET_FLAG_BIT_MAP_SKBQUEUE = 10,
IPSET_FLAG_MAP_SKBQUEUE = (1 << IPSET_FLAG_BIT_MAP_SKBQUEUE),
IPSET_FLAG_CMD_MAX = 15,
};
/* Flags at CADT attribute level, upper half of cmdattrs */
enum ipset_cadt_flags {
IPSET_FLAG_BIT_BEFORE = 0,
IPSET_FLAG_BEFORE = (1 << IPSET_FLAG_BIT_BEFORE),
IPSET_FLAG_BIT_PHYSDEV = 1,
IPSET_FLAG_PHYSDEV = (1 << IPSET_FLAG_BIT_PHYSDEV),
IPSET_FLAG_BIT_NOMATCH = 2,
IPSET_FLAG_NOMATCH = (1 << IPSET_FLAG_BIT_NOMATCH),
IPSET_FLAG_BIT_WITH_COUNTERS = 3,
IPSET_FLAG_WITH_COUNTERS = (1 << IPSET_FLAG_BIT_WITH_COUNTERS),
IPSET_FLAG_BIT_WITH_COMMENT = 4,
IPSET_FLAG_WITH_COMMENT = (1 << IPSET_FLAG_BIT_WITH_COMMENT),
IPSET_FLAG_BIT_WITH_FORCEADD = 5,
IPSET_FLAG_WITH_FORCEADD = (1 << IPSET_FLAG_BIT_WITH_FORCEADD),
IPSET_FLAG_BIT_WITH_SKBINFO = 6,
IPSET_FLAG_WITH_SKBINFO = (1 << IPSET_FLAG_BIT_WITH_SKBINFO),
IPSET_FLAG_CADT_MAX = 15,
};
/* The flag bits which correspond to the non-extension create flags */
enum ipset_create_flags {
IPSET_CREATE_FLAG_BIT_FORCEADD = 0,
IPSET_CREATE_FLAG_FORCEADD = (1 << IPSET_CREATE_FLAG_BIT_FORCEADD),
IPSET_CREATE_FLAG_BIT_MAX = 7,
};
/* Commands with settype-specific attributes */
enum ipset_adt {
IPSET_ADD,
IPSET_DEL,
IPSET_TEST,
IPSET_ADT_MAX,
IPSET_CREATE = IPSET_ADT_MAX,
IPSET_CADT_MAX,
};
/* Sets are identified by an index in kernel space. Tweak with ip_set_id_t
* and IPSET_INVALID_ID if you want to increase the max number of sets.
* Also, IPSET_ATTR_INDEX must be changed.
*/
typedef __u16 ip_set_id_t;
#define IPSET_INVALID_ID 65535
enum ip_set_dim {
IPSET_DIM_ZERO = 0,
IPSET_DIM_ONE,
IPSET_DIM_TWO,
IPSET_DIM_THREE,
/* Max dimension in elements.
* If changed, new revision of iptables match/target is required.
*/
IPSET_DIM_MAX = 6,
/* Backward compatibility: set match revision 2 */
IPSET_BIT_RETURN_NOMATCH = 7,
};
/* Option flags for kernel operations */
enum ip_set_kopt {
IPSET_INV_MATCH = (1 << IPSET_DIM_ZERO),
IPSET_DIM_ONE_SRC = (1 << IPSET_DIM_ONE),
IPSET_DIM_TWO_SRC = (1 << IPSET_DIM_TWO),
IPSET_DIM_THREE_SRC = (1 << IPSET_DIM_THREE),
IPSET_RETURN_NOMATCH = (1 << IPSET_BIT_RETURN_NOMATCH),
};
enum {
IPSET_COUNTER_NONE = 0,
IPSET_COUNTER_EQ,
IPSET_COUNTER_NE,
IPSET_COUNTER_LT,
IPSET_COUNTER_GT,
};
/* Backward compatibility for set match v3 */
struct ip_set_counter_match0 {
__u8 op;
__u64 value;
};
struct ip_set_counter_match {
__u64 __attribute__((aligned(8))) value;
__u8 op;
};
/* Interface to iptables/ip6tables */
#define SO_IP_SET 83
union ip_set_name_index {
char name[IPSET_MAXNAMELEN];
ip_set_id_t index;
};
#define IP_SET_OP_GET_BYNAME 0x00000006 /* Get set index by name */
struct ip_set_req_get_set {
unsigned int op;
unsigned int version;
union ip_set_name_index set;
};
#define IP_SET_OP_GET_BYINDEX 0x00000007 /* Get set name by index */
/* Uses ip_set_req_get_set */
#define IP_SET_OP_GET_FNAME 0x00000008 /* Get set index and family */
struct ip_set_req_get_set_family {
unsigned int op;
unsigned int version;
unsigned int family;
union ip_set_name_index set;
};
#define IP_SET_OP_VERSION 0x00000100 /* Ask kernel version */
struct ip_set_req_version {
unsigned int op;
unsigned int version;
};
#endif /* _IP_SET_H */
|
