1/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 153725 2005-12-25 23:52:00Z mlaier $ */
2/* $OpenBSD: pfvar.h,v 1.213 2005/03/03 07:13:39 dhartmei Exp $ */
| 1/* $FreeBSD: head/sys/contrib/pf/net/pfvar.h 171168 2007-07-03 12:16:07Z mlaier $ */
2/* $OpenBSD: pfvar.h,v 1.244 2007/02/23 21:31:51 deraadt Exp $ */
|
3
4/*
5 * Copyright (c) 2001 Daniel Hartmeier
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * - Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * - Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials provided
17 * with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
33
34#ifndef _NET_PFVAR_H_
35#define _NET_PFVAR_H_
36
37#include <sys/param.h>
38#include <sys/types.h>
39#include <sys/queue.h>
40#include <sys/tree.h>
| 3
4/*
5 * Copyright (c) 2001 Daniel Hartmeier
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * - Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * - Redistributions in binary form must reproduce the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer in the documentation and/or other materials provided
17 * with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
29 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 */
33
34#ifndef _NET_PFVAR_H_
35#define _NET_PFVAR_H_
36
37#include <sys/param.h>
38#include <sys/types.h>
39#include <sys/queue.h>
40#include <sys/tree.h>
|
| 41#ifdef __FreeBSD__
42#include <sys/lock.h>
43#include <sys/sx.h>
44#else
45#include <sys/rwlock.h>
46#endif
|
41
42#include <net/radix.h>
43#include <net/route.h>
44#ifdef __FreeBSD__
45#include <net/if_clone.h>
| 47
48#include <net/radix.h>
49#include <net/route.h>
50#ifdef __FreeBSD__
51#include <net/if_clone.h>
|
| 52#include <net/pf_mtag.h>
|
46#include <vm/uma.h>
47#else
48#include <netinet/ip_ipsp.h>
49#endif
50
51#ifdef __FreeBSD__
52#include <netinet/in.h>
53#endif
54
55#include <netinet/tcp_fsm.h>
56
57struct ip;
| 53#include <vm/uma.h>
54#else
55#include <netinet/ip_ipsp.h>
56#endif
57
58#ifdef __FreeBSD__
59#include <netinet/in.h>
60#endif
61
62#include <netinet/tcp_fsm.h>
63
64struct ip;
|
| 65struct ip6_hdr;
|
58#ifdef __FreeBSD__
59struct inpcb;
60#endif
61
62#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
63#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
64
| 66#ifdef __FreeBSD__
67struct inpcb;
68#endif
69
70#define PF_TCPS_PROXY_SRC ((TCP_NSTATES)+0)
71#define PF_TCPS_PROXY_DST ((TCP_NSTATES)+1)
72
|
| 73#define PF_MD5_DIGEST_LENGTH 16
74#ifdef MD5_DIGEST_LENGTH
75#if PF_MD5_DIGEST_LENGTH != MD5_DIGEST_LENGTH
76#error
77#endif
78#endif
79
|
65enum { PF_INOUT, PF_IN, PF_OUT };
66enum { PF_LAN_EXT, PF_EXT_GWY, PF_ID };
67enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT,
68 PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP };
69enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT,
70 PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX };
71enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT,
72 PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };
73enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY };
74enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL,
75 PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER,
76 PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET };
| 80enum { PF_INOUT, PF_IN, PF_OUT };
81enum { PF_LAN_EXT, PF_EXT_GWY, PF_ID };
82enum { PF_PASS, PF_DROP, PF_SCRUB, PF_NOSCRUB, PF_NAT, PF_NONAT,
83 PF_BINAT, PF_NOBINAT, PF_RDR, PF_NORDR, PF_SYNPROXY_DROP };
84enum { PF_RULESET_SCRUB, PF_RULESET_FILTER, PF_RULESET_NAT,
85 PF_RULESET_BINAT, PF_RULESET_RDR, PF_RULESET_MAX };
86enum { PF_OP_NONE, PF_OP_IRG, PF_OP_EQ, PF_OP_NE, PF_OP_LT,
87 PF_OP_LE, PF_OP_GT, PF_OP_GE, PF_OP_XRG, PF_OP_RRG };
88enum { PF_DEBUG_NONE, PF_DEBUG_URGENT, PF_DEBUG_MISC, PF_DEBUG_NOISY };
89enum { PF_CHANGE_NONE, PF_CHANGE_ADD_HEAD, PF_CHANGE_ADD_TAIL,
90 PF_CHANGE_ADD_BEFORE, PF_CHANGE_ADD_AFTER,
91 PF_CHANGE_REMOVE, PF_CHANGE_GET_TICKET };
|
| 92enum { PF_GET_NONE, PF_GET_CLR_CNTR };
93
|
77/*
78 * Note about PFTM_*: real indices into pf_rule.timeout[] come before
79 * PFTM_MAX, special cases afterwards. See pf_state_expires().
80 */
81enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED,
82 PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED,
83 PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE,
84 PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY,
85 PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE,
86 PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL,
87 PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE,
| 94/*
95 * Note about PFTM_*: real indices into pf_rule.timeout[] come before
96 * PFTM_MAX, special cases afterwards. See pf_state_expires().
97 */
98enum { PFTM_TCP_FIRST_PACKET, PFTM_TCP_OPENING, PFTM_TCP_ESTABLISHED,
99 PFTM_TCP_CLOSING, PFTM_TCP_FIN_WAIT, PFTM_TCP_CLOSED,
100 PFTM_UDP_FIRST_PACKET, PFTM_UDP_SINGLE, PFTM_UDP_MULTIPLE,
101 PFTM_ICMP_FIRST_PACKET, PFTM_ICMP_ERROR_REPLY,
102 PFTM_OTHER_FIRST_PACKET, PFTM_OTHER_SINGLE,
103 PFTM_OTHER_MULTIPLE, PFTM_FRAG, PFTM_INTERVAL,
104 PFTM_ADAPTIVE_START, PFTM_ADAPTIVE_END, PFTM_SRC_NODE,
|
88 PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNTIL_PACKET };
| 105 PFTM_TS_DIFF, PFTM_MAX, PFTM_PURGE, PFTM_UNLINKED,
106 PFTM_UNTIL_PACKET };
|
89
90/* PFTM default values */
91#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */
92#define PFTM_TCP_OPENING_VAL 30 /* No response yet */
93#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */
94#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */
95#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */
96#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */
97#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */
98#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */
99#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */
100#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */
101#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */
102#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */
103#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */
104#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */
105#define PFTM_FRAG_VAL 30 /* Fragment expire */
106#define PFTM_INTERVAL_VAL 10 /* Expire interval */
107#define PFTM_SRC_NODE_VAL 0 /* Source tracking */
108#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */
109
110enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO };
| 107
108/* PFTM default values */
109#define PFTM_TCP_FIRST_PACKET_VAL 120 /* First TCP packet */
110#define PFTM_TCP_OPENING_VAL 30 /* No response yet */
111#define PFTM_TCP_ESTABLISHED_VAL 24*60*60/* Established */
112#define PFTM_TCP_CLOSING_VAL 15 * 60 /* Half closed */
113#define PFTM_TCP_FIN_WAIT_VAL 45 /* Got both FINs */
114#define PFTM_TCP_CLOSED_VAL 90 /* Got a RST */
115#define PFTM_UDP_FIRST_PACKET_VAL 60 /* First UDP packet */
116#define PFTM_UDP_SINGLE_VAL 30 /* Unidirectional */
117#define PFTM_UDP_MULTIPLE_VAL 60 /* Bidirectional */
118#define PFTM_ICMP_FIRST_PACKET_VAL 20 /* First ICMP packet */
119#define PFTM_ICMP_ERROR_REPLY_VAL 10 /* Got error response */
120#define PFTM_OTHER_FIRST_PACKET_VAL 60 /* First packet */
121#define PFTM_OTHER_SINGLE_VAL 30 /* Unidirectional */
122#define PFTM_OTHER_MULTIPLE_VAL 60 /* Bidirectional */
123#define PFTM_FRAG_VAL 30 /* Fragment expire */
124#define PFTM_INTERVAL_VAL 10 /* Expire interval */
125#define PFTM_SRC_NODE_VAL 0 /* Source tracking */
126#define PFTM_TS_DIFF_VAL 30 /* Allowed TS diff */
127
128enum { PF_NOPFROUTE, PF_FASTROUTE, PF_ROUTETO, PF_DUPTO, PF_REPLYTO };
|
111enum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS, PF_LIMIT_MAX };
| 129enum { PF_LIMIT_STATES, PF_LIMIT_SRC_NODES, PF_LIMIT_FRAGS,
130 PF_LIMIT_TABLES, PF_LIMIT_TABLE_ENTRIES, PF_LIMIT_MAX };
|
112#define PF_POOL_IDMASK 0x0f
113enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM,
114 PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN };
115enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL,
| 131#define PF_POOL_IDMASK 0x0f
132enum { PF_POOL_NONE, PF_POOL_BITMASK, PF_POOL_RANDOM,
133 PF_POOL_SRCHASH, PF_POOL_ROUNDROBIN };
134enum { PF_ADDR_ADDRMASK, PF_ADDR_NOROUTE, PF_ADDR_DYNIFTL,
|
116 PF_ADDR_TABLE, PF_ADDR_RTLABEL };
| 135 PF_ADDR_TABLE, PF_ADDR_RTLABEL, PF_ADDR_URPFFAILED };
|
117#define PF_POOL_TYPEMASK 0x0f
118#define PF_POOL_STICKYADDR 0x20
119#define PF_WSCALE_FLAG 0x80
120#define PF_WSCALE_MASK 0x0f
121
| 136#define PF_POOL_TYPEMASK 0x0f
137#define PF_POOL_STICKYADDR 0x20
138#define PF_WSCALE_FLAG 0x80
139#define PF_WSCALE_MASK 0x0f
140
|
| 141#define PF_LOG 0x01
142#define PF_LOG_ALL 0x02
143#define PF_LOG_SOCKET_LOOKUP 0x04
144
|
122struct pf_addr {
123 union {
124 struct in_addr v4;
125 struct in6_addr v6;
126 u_int8_t addr8[16];
127 u_int16_t addr16[8];
128 u_int32_t addr32[4];
129 } pfa; /* 128-bit address */
130#define v4 pfa.v4
131#define v6 pfa.v6
132#define addr8 pfa.addr8
133#define addr16 pfa.addr16
134#define addr32 pfa.addr32
135};
136
137#define PF_TABLE_NAME_SIZE 32
138
139#define PFI_AFLAG_NETWORK 0x01
140#define PFI_AFLAG_BROADCAST 0x02
141#define PFI_AFLAG_PEER 0x04
142#define PFI_AFLAG_MODEMASK 0x07
143#define PFI_AFLAG_NOALIAS 0x08
144
145struct pf_addr_wrap {
146 union {
147 struct {
148 struct pf_addr addr;
149 struct pf_addr mask;
150 } a;
151 char ifname[IFNAMSIZ];
152 char tblname[PF_TABLE_NAME_SIZE];
153#ifdef __FreeBSD__
154#define RTLABEL_LEN 32
155#endif
156 char rtlabelname[RTLABEL_LEN];
157 u_int32_t rtlabel;
158 } v;
159 union {
160 struct pfi_dynaddr *dyn;
161 struct pfr_ktable *tbl;
162 int dyncnt;
163 int tblcnt;
164 } p;
165 u_int8_t type; /* PF_ADDR_* */
166 u_int8_t iflags; /* PFI_AFLAG_* */
167};
168
169#ifdef _KERNEL
170
171struct pfi_dynaddr {
| 145struct pf_addr {
146 union {
147 struct in_addr v4;
148 struct in6_addr v6;
149 u_int8_t addr8[16];
150 u_int16_t addr16[8];
151 u_int32_t addr32[4];
152 } pfa; /* 128-bit address */
153#define v4 pfa.v4
154#define v6 pfa.v6
155#define addr8 pfa.addr8
156#define addr16 pfa.addr16
157#define addr32 pfa.addr32
158};
159
160#define PF_TABLE_NAME_SIZE 32
161
162#define PFI_AFLAG_NETWORK 0x01
163#define PFI_AFLAG_BROADCAST 0x02
164#define PFI_AFLAG_PEER 0x04
165#define PFI_AFLAG_MODEMASK 0x07
166#define PFI_AFLAG_NOALIAS 0x08
167
168struct pf_addr_wrap {
169 union {
170 struct {
171 struct pf_addr addr;
172 struct pf_addr mask;
173 } a;
174 char ifname[IFNAMSIZ];
175 char tblname[PF_TABLE_NAME_SIZE];
176#ifdef __FreeBSD__
177#define RTLABEL_LEN 32
178#endif
179 char rtlabelname[RTLABEL_LEN];
180 u_int32_t rtlabel;
181 } v;
182 union {
183 struct pfi_dynaddr *dyn;
184 struct pfr_ktable *tbl;
185 int dyncnt;
186 int tblcnt;
187 } p;
188 u_int8_t type; /* PF_ADDR_* */
189 u_int8_t iflags; /* PFI_AFLAG_* */
190};
191
192#ifdef _KERNEL
193
194struct pfi_dynaddr {
|
172 struct pf_addr pfid_addr4;
173 struct pf_addr pfid_mask4;
174 struct pf_addr pfid_addr6;
175 struct pf_addr pfid_mask6;
176 struct pfr_ktable *pfid_kt;
177 struct pfi_kif *pfid_kif;
178 void *pfid_hook_cookie;
179 int pfid_net; /* optional mask, or 128 */
180 int pfid_acnt4; /* address count, IPv4 */
181 int pfid_acnt6; /* address count, IPv6 */
182 sa_family_t pfid_af; /* rule address family */
183 u_int8_t pfid_iflags; /* PFI_AFLAG_* */
| 195 TAILQ_ENTRY(pfi_dynaddr) entry;
196 struct pf_addr pfid_addr4;
197 struct pf_addr pfid_mask4;
198 struct pf_addr pfid_addr6;
199 struct pf_addr pfid_mask6;
200 struct pfr_ktable *pfid_kt;
201 struct pfi_kif *pfid_kif;
202 void *pfid_hook_cookie;
203 int pfid_net; /* mask or 128 */
204 int pfid_acnt4; /* address count IPv4 */
205 int pfid_acnt6; /* address count IPv6 */
206 sa_family_t pfid_af; /* rule af */
207 u_int8_t pfid_iflags; /* PFI_AFLAG_* */
|
184};
185
186/*
187 * Address manipulation macros
188 */
189
190#ifdef __FreeBSD__
191#define splsoftnet() splnet()
192
193#define HTONL(x) (x) = htonl((__uint32_t)(x))
194#define HTONS(x) (x) = htons((__uint16_t)(x))
195#define NTOHL(x) (x) = ntohl((__uint32_t)(x))
196#define NTOHS(x) (x) = ntohs((__uint16_t)(x))
197
198#define PF_NAME "pf"
199
200#define PR_NOWAIT M_NOWAIT
201#define pool_get(p, f) uma_zalloc(*(p), (f))
202#define pool_put(p, o) uma_zfree(*(p), (o))
203
204#define UMA_CREATE(var, type, desc) \
205 var = uma_zcreate(desc, sizeof(type), \
206 NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \
207 if (var == NULL) break
208#define UMA_DESTROY(var) \
209 if(var) uma_zdestroy(var)
210
211extern struct mtx pf_task_mtx;
212
213#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h))
214
215#define PF_LOCK() do { \
216 PF_ASSERT(MA_NOTOWNED); \
217 mtx_lock(&pf_task_mtx); \
218} while(0)
219#define PF_UNLOCK() do { \
220 PF_ASSERT(MA_OWNED); \
221 mtx_unlock(&pf_task_mtx); \
222} while(0)
223
224#define PF_COPYIN(uaddr, kaddr, len, r) do { \
225 PF_UNLOCK(); \
226 r = copyin((uaddr), (kaddr), (len)); \
227 PF_LOCK(); \
228} while(0)
229
230#define PF_COPYOUT(kaddr, uaddr, len, r) do { \
231 PF_UNLOCK(); \
232 r = copyout((kaddr), (uaddr), (len)); \
233 PF_LOCK(); \
234} while(0)
235
236extern void init_pf_mutex(void);
237extern void destroy_pf_mutex(void);
238
239#define PF_MODVER 1
240#define PFLOG_MODVER 1
241#define PFSYNC_MODVER 1
242
243#define PFLOG_MINVER 1
244#define PFLOG_PREFVER PFLOG_MODVER
245#define PFLOG_MAXVER 1
246#define PFSYNC_MINVER 1
247#define PFSYNC_PREFVER PFSYNC_MODVER
248#define PFSYNC_MAXVER 1
| 208};
209
210/*
211 * Address manipulation macros
212 */
213
214#ifdef __FreeBSD__
215#define splsoftnet() splnet()
216
217#define HTONL(x) (x) = htonl((__uint32_t)(x))
218#define HTONS(x) (x) = htons((__uint16_t)(x))
219#define NTOHL(x) (x) = ntohl((__uint32_t)(x))
220#define NTOHS(x) (x) = ntohs((__uint16_t)(x))
221
222#define PF_NAME "pf"
223
224#define PR_NOWAIT M_NOWAIT
225#define pool_get(p, f) uma_zalloc(*(p), (f))
226#define pool_put(p, o) uma_zfree(*(p), (o))
227
228#define UMA_CREATE(var, type, desc) \
229 var = uma_zcreate(desc, sizeof(type), \
230 NULL, NULL, NULL, NULL, UMA_ALIGN_PTR, 0); \
231 if (var == NULL) break
232#define UMA_DESTROY(var) \
233 if(var) uma_zdestroy(var)
234
235extern struct mtx pf_task_mtx;
236
237#define PF_ASSERT(h) mtx_assert(&pf_task_mtx, (h))
238
239#define PF_LOCK() do { \
240 PF_ASSERT(MA_NOTOWNED); \
241 mtx_lock(&pf_task_mtx); \
242} while(0)
243#define PF_UNLOCK() do { \
244 PF_ASSERT(MA_OWNED); \
245 mtx_unlock(&pf_task_mtx); \
246} while(0)
247
248#define PF_COPYIN(uaddr, kaddr, len, r) do { \
249 PF_UNLOCK(); \
250 r = copyin((uaddr), (kaddr), (len)); \
251 PF_LOCK(); \
252} while(0)
253
254#define PF_COPYOUT(kaddr, uaddr, len, r) do { \
255 PF_UNLOCK(); \
256 r = copyout((kaddr), (uaddr), (len)); \
257 PF_LOCK(); \
258} while(0)
259
260extern void init_pf_mutex(void);
261extern void destroy_pf_mutex(void);
262
263#define PF_MODVER 1
264#define PFLOG_MODVER 1
265#define PFSYNC_MODVER 1
266
267#define PFLOG_MINVER 1
268#define PFLOG_PREFVER PFLOG_MODVER
269#define PFLOG_MAXVER 1
270#define PFSYNC_MINVER 1
271#define PFSYNC_PREFVER PFSYNC_MODVER
272#define PFSYNC_MAXVER 1
|
249
250/* prototyped for pf_subr.c */
251struct hook_desc {
252 TAILQ_ENTRY(hook_desc) hd_list;
253 void (*hd_fn)(void *);
254 void *hd_arg;
255};
256TAILQ_HEAD(hook_desc_head, hook_desc);
257
258void *hook_establish(struct hook_desc_head *, int, void (*)(void *), void *);
259void hook_disestablish(struct hook_desc_head *, void *);
260void dohooks(struct hook_desc_head *, int);
261
262#define HOOK_REMOVE 0x01
263#define HOOK_FREE 0x02
| |
264#endif /* __FreeBSD__ */
265
266#ifdef INET
267#ifndef INET6
268#define PF_INET_ONLY
269#endif /* ! INET6 */
270#endif /* INET */
271
272#ifdef INET6
273#ifndef INET
274#define PF_INET6_ONLY
275#endif /* ! INET */
276#endif /* INET6 */
277
278#ifdef INET
279#ifdef INET6
280#define PF_INET_INET6
281#endif /* INET6 */
282#endif /* INET */
283
284#else
285
286#define PF_INET_INET6
287
288#endif /* _KERNEL */
289
290/* Both IPv4 and IPv6 */
291#ifdef PF_INET_INET6
292
293#define PF_AEQ(a, b, c) \
294 ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \
295 ((a)->addr32[3] == (b)->addr32[3] && \
296 (a)->addr32[2] == (b)->addr32[2] && \
297 (a)->addr32[1] == (b)->addr32[1] && \
298 (a)->addr32[0] == (b)->addr32[0])) \
299
300#define PF_ANEQ(a, b, c) \
301 ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \
302 ((a)->addr32[3] != (b)->addr32[3] || \
303 (a)->addr32[2] != (b)->addr32[2] || \
304 (a)->addr32[1] != (b)->addr32[1] || \
305 (a)->addr32[0] != (b)->addr32[0])) \
306
307#define PF_AZERO(a, c) \
308 ((c == AF_INET && !(a)->addr32[0]) || \
309 (!(a)->addr32[0] && !(a)->addr32[1] && \
310 !(a)->addr32[2] && !(a)->addr32[3] )) \
311
312#define PF_MATCHA(n, a, m, b, f) \
313 pf_match_addr(n, a, m, b, f)
314
315#define PF_ACPY(a, b, f) \
316 pf_addrcpy(a, b, f)
317
318#define PF_AINC(a, f) \
319 pf_addr_inc(a, f)
320
321#define PF_POOLMASK(a, b, c, d, f) \
322 pf_poolmask(a, b, c, d, f)
323
324#else
325
326/* Just IPv6 */
327
328#ifdef PF_INET6_ONLY
329
330#define PF_AEQ(a, b, c) \
331 ((a)->addr32[3] == (b)->addr32[3] && \
332 (a)->addr32[2] == (b)->addr32[2] && \
333 (a)->addr32[1] == (b)->addr32[1] && \
334 (a)->addr32[0] == (b)->addr32[0]) \
335
336#define PF_ANEQ(a, b, c) \
337 ((a)->addr32[3] != (b)->addr32[3] || \
338 (a)->addr32[2] != (b)->addr32[2] || \
339 (a)->addr32[1] != (b)->addr32[1] || \
340 (a)->addr32[0] != (b)->addr32[0]) \
341
342#define PF_AZERO(a, c) \
343 (!(a)->addr32[0] && \
344 !(a)->addr32[1] && \
345 !(a)->addr32[2] && \
346 !(a)->addr32[3] ) \
347
348#define PF_MATCHA(n, a, m, b, f) \
349 pf_match_addr(n, a, m, b, f)
350
351#define PF_ACPY(a, b, f) \
352 pf_addrcpy(a, b, f)
353
354#define PF_AINC(a, f) \
355 pf_addr_inc(a, f)
356
357#define PF_POOLMASK(a, b, c, d, f) \
358 pf_poolmask(a, b, c, d, f)
359
360#else
361
362/* Just IPv4 */
363#ifdef PF_INET_ONLY
364
365#define PF_AEQ(a, b, c) \
366 ((a)->addr32[0] == (b)->addr32[0])
367
368#define PF_ANEQ(a, b, c) \
369 ((a)->addr32[0] != (b)->addr32[0])
370
371#define PF_AZERO(a, c) \
372 (!(a)->addr32[0])
373
374#define PF_MATCHA(n, a, m, b, f) \
375 pf_match_addr(n, a, m, b, f)
376
377#define PF_ACPY(a, b, f) \
378 (a)->v4.s_addr = (b)->v4.s_addr
379
380#define PF_AINC(a, f) \
381 do { \
382 (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \
383 } while (0)
384
385#define PF_POOLMASK(a, b, c, d, f) \
386 do { \
387 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
388 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
389 } while (0)
390
391#endif /* PF_INET_ONLY */
392#endif /* PF_INET6_ONLY */
393#endif /* PF_INET_INET6 */
394
| 273#endif /* __FreeBSD__ */
274
275#ifdef INET
276#ifndef INET6
277#define PF_INET_ONLY
278#endif /* ! INET6 */
279#endif /* INET */
280
281#ifdef INET6
282#ifndef INET
283#define PF_INET6_ONLY
284#endif /* ! INET */
285#endif /* INET6 */
286
287#ifdef INET
288#ifdef INET6
289#define PF_INET_INET6
290#endif /* INET6 */
291#endif /* INET */
292
293#else
294
295#define PF_INET_INET6
296
297#endif /* _KERNEL */
298
299/* Both IPv4 and IPv6 */
300#ifdef PF_INET_INET6
301
302#define PF_AEQ(a, b, c) \
303 ((c == AF_INET && (a)->addr32[0] == (b)->addr32[0]) || \
304 ((a)->addr32[3] == (b)->addr32[3] && \
305 (a)->addr32[2] == (b)->addr32[2] && \
306 (a)->addr32[1] == (b)->addr32[1] && \
307 (a)->addr32[0] == (b)->addr32[0])) \
308
309#define PF_ANEQ(a, b, c) \
310 ((c == AF_INET && (a)->addr32[0] != (b)->addr32[0]) || \
311 ((a)->addr32[3] != (b)->addr32[3] || \
312 (a)->addr32[2] != (b)->addr32[2] || \
313 (a)->addr32[1] != (b)->addr32[1] || \
314 (a)->addr32[0] != (b)->addr32[0])) \
315
316#define PF_AZERO(a, c) \
317 ((c == AF_INET && !(a)->addr32[0]) || \
318 (!(a)->addr32[0] && !(a)->addr32[1] && \
319 !(a)->addr32[2] && !(a)->addr32[3] )) \
320
321#define PF_MATCHA(n, a, m, b, f) \
322 pf_match_addr(n, a, m, b, f)
323
324#define PF_ACPY(a, b, f) \
325 pf_addrcpy(a, b, f)
326
327#define PF_AINC(a, f) \
328 pf_addr_inc(a, f)
329
330#define PF_POOLMASK(a, b, c, d, f) \
331 pf_poolmask(a, b, c, d, f)
332
333#else
334
335/* Just IPv6 */
336
337#ifdef PF_INET6_ONLY
338
339#define PF_AEQ(a, b, c) \
340 ((a)->addr32[3] == (b)->addr32[3] && \
341 (a)->addr32[2] == (b)->addr32[2] && \
342 (a)->addr32[1] == (b)->addr32[1] && \
343 (a)->addr32[0] == (b)->addr32[0]) \
344
345#define PF_ANEQ(a, b, c) \
346 ((a)->addr32[3] != (b)->addr32[3] || \
347 (a)->addr32[2] != (b)->addr32[2] || \
348 (a)->addr32[1] != (b)->addr32[1] || \
349 (a)->addr32[0] != (b)->addr32[0]) \
350
351#define PF_AZERO(a, c) \
352 (!(a)->addr32[0] && \
353 !(a)->addr32[1] && \
354 !(a)->addr32[2] && \
355 !(a)->addr32[3] ) \
356
357#define PF_MATCHA(n, a, m, b, f) \
358 pf_match_addr(n, a, m, b, f)
359
360#define PF_ACPY(a, b, f) \
361 pf_addrcpy(a, b, f)
362
363#define PF_AINC(a, f) \
364 pf_addr_inc(a, f)
365
366#define PF_POOLMASK(a, b, c, d, f) \
367 pf_poolmask(a, b, c, d, f)
368
369#else
370
371/* Just IPv4 */
372#ifdef PF_INET_ONLY
373
374#define PF_AEQ(a, b, c) \
375 ((a)->addr32[0] == (b)->addr32[0])
376
377#define PF_ANEQ(a, b, c) \
378 ((a)->addr32[0] != (b)->addr32[0])
379
380#define PF_AZERO(a, c) \
381 (!(a)->addr32[0])
382
383#define PF_MATCHA(n, a, m, b, f) \
384 pf_match_addr(n, a, m, b, f)
385
386#define PF_ACPY(a, b, f) \
387 (a)->v4.s_addr = (b)->v4.s_addr
388
389#define PF_AINC(a, f) \
390 do { \
391 (a)->addr32[0] = htonl(ntohl((a)->addr32[0]) + 1); \
392 } while (0)
393
394#define PF_POOLMASK(a, b, c, d, f) \
395 do { \
396 (a)->addr32[0] = ((b)->addr32[0] & (c)->addr32[0]) | \
397 (((c)->addr32[0] ^ 0xffffffff ) & (d)->addr32[0]); \
398 } while (0)
399
400#endif /* PF_INET_ONLY */
401#endif /* PF_INET6_ONLY */
402#endif /* PF_INET_INET6 */
403
|
395#define PF_MISMATCHAW(aw, x, af, neg) \
396 ( \
397 (((aw)->type == PF_ADDR_NOROUTE && \
398 pf_routable((x), (af))) || \
399 ((aw)->type == PF_ADDR_RTLABEL && \
400 !pf_rtlabel_match((x), (af), (aw))) || \
401 ((aw)->type == PF_ADDR_TABLE && \
402 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
403 ((aw)->type == PF_ADDR_DYNIFTL && \
404 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
405 ((aw)->type == PF_ADDR_ADDRMASK && \
406 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
407 !PF_MATCHA(0, &(aw)->v.a.addr, \
408 &(aw)->v.a.mask, (x), (af)))) != \
409 (neg) \
| 404#define PF_MISMATCHAW(aw, x, af, neg, ifp) \
405 ( \
406 (((aw)->type == PF_ADDR_NOROUTE && \
407 pf_routable((x), (af), NULL)) || \
408 (((aw)->type == PF_ADDR_URPFFAILED && (ifp) != NULL && \
409 pf_routable((x), (af), (ifp))) || \
410 ((aw)->type == PF_ADDR_RTLABEL && \
411 !pf_rtlabel_match((x), (af), (aw))) || \
412 ((aw)->type == PF_ADDR_TABLE && \
413 !pfr_match_addr((aw)->p.tbl, (x), (af))) || \
414 ((aw)->type == PF_ADDR_DYNIFTL && \
415 !pfi_match_addr((aw)->p.dyn, (x), (af))) || \
416 ((aw)->type == PF_ADDR_ADDRMASK && \
417 !PF_AZERO(&(aw)->v.a.mask, (af)) && \
418 !PF_MATCHA(0, &(aw)->v.a.addr, \
419 &(aw)->v.a.mask, (x), (af))))) != \
420 (neg) \
|
410 )
411
| 421 )
422
|
| 423
|
412struct pf_rule_uid {
413 uid_t uid[2];
414 u_int8_t op;
415};
416
417struct pf_rule_gid {
418 uid_t gid[2];
419 u_int8_t op;
420};
421
422struct pf_rule_addr {
423 struct pf_addr_wrap addr;
424 u_int16_t port[2];
425 u_int8_t neg;
426 u_int8_t port_op;
427};
428
429struct pf_pooladdr {
430 struct pf_addr_wrap addr;
431 TAILQ_ENTRY(pf_pooladdr) entries;
432 char ifname[IFNAMSIZ];
433 struct pfi_kif *kif;
434};
435
436TAILQ_HEAD(pf_palist, pf_pooladdr);
437
438struct pf_poolhashkey {
439 union {
440 u_int8_t key8[16];
441 u_int16_t key16[8];
442 u_int32_t key32[4];
443 } pfk; /* 128-bit hash key */
444#define key8 pfk.key8
445#define key16 pfk.key16
446#define key32 pfk.key32
447};
448
449struct pf_pool {
450 struct pf_palist list;
451 struct pf_pooladdr *cur;
452 struct pf_poolhashkey key;
453 struct pf_addr counter;
454 int tblidx;
455 u_int16_t proxy_port[2];
456 u_int8_t port_op;
457 u_int8_t opts;
458};
459
460
461/* A packed Operating System description for fingerprinting */
462typedef u_int32_t pf_osfp_t;
463#define PF_OSFP_ANY ((pf_osfp_t)0)
464#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1)
465#define PF_OSFP_NOMATCH ((pf_osfp_t)-2)
466
467struct pf_osfp_entry {
468 SLIST_ENTRY(pf_osfp_entry) fp_entry;
469 pf_osfp_t fp_os;
470 int fp_enflags;
471#define PF_OSFP_EXPANDED 0x001 /* expanded entry */
472#define PF_OSFP_GENERIC 0x002 /* generic signature */
473#define PF_OSFP_NODETAIL 0x004 /* no p0f details */
474#define PF_OSFP_LEN 32
475 char fp_class_nm[PF_OSFP_LEN];
476 char fp_version_nm[PF_OSFP_LEN];
477 char fp_subtype_nm[PF_OSFP_LEN];
478};
479#define PF_OSFP_ENTRY_EQ(a, b) \
480 ((a)->fp_os == (b)->fp_os && \
481 memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \
482 memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \
483 memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0)
484
485/* handle pf_osfp_t packing */
486#define _FP_RESERVED_BIT 1 /* For the special negative #defines */
487#define _FP_UNUSED_BITS 1
488#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */
489#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */
490#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */
491#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \
492 (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \
493 ((1 << _FP_CLASS_BITS) - 1); \
494 (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \
495 ((1 << _FP_VERSION_BITS) - 1);\
496 (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \
497} while(0)
498#define PF_OSFP_PACK(osfp, class, version, subtype) do { \
499 (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \
500 + _FP_SUBTYPE_BITS); \
501 (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \
502 _FP_SUBTYPE_BITS; \
503 (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \
504} while(0)
505
506/* the fingerprint of an OSes TCP SYN packet */
507typedef u_int64_t pf_tcpopts_t;
508struct pf_os_fingerprint {
509 SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */
510 pf_tcpopts_t fp_tcpopts; /* packed TCP options */
511 u_int16_t fp_wsize; /* TCP window size */
512 u_int16_t fp_psize; /* ip->ip_len */
513 u_int16_t fp_mss; /* TCP MSS */
514 u_int16_t fp_flags;
515#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */
516#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */
517#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */
518#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */
519#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */
520#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */
521#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
522#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
523#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
524#define PF_OSFP_MSS 0x0200 /* TCP MSS */
525#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
526#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
527#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
528#define PF_OSFP_TS0 0x2000 /* Zero timestamp */
| 424struct pf_rule_uid {
425 uid_t uid[2];
426 u_int8_t op;
427};
428
429struct pf_rule_gid {
430 uid_t gid[2];
431 u_int8_t op;
432};
433
434struct pf_rule_addr {
435 struct pf_addr_wrap addr;
436 u_int16_t port[2];
437 u_int8_t neg;
438 u_int8_t port_op;
439};
440
441struct pf_pooladdr {
442 struct pf_addr_wrap addr;
443 TAILQ_ENTRY(pf_pooladdr) entries;
444 char ifname[IFNAMSIZ];
445 struct pfi_kif *kif;
446};
447
448TAILQ_HEAD(pf_palist, pf_pooladdr);
449
450struct pf_poolhashkey {
451 union {
452 u_int8_t key8[16];
453 u_int16_t key16[8];
454 u_int32_t key32[4];
455 } pfk; /* 128-bit hash key */
456#define key8 pfk.key8
457#define key16 pfk.key16
458#define key32 pfk.key32
459};
460
461struct pf_pool {
462 struct pf_palist list;
463 struct pf_pooladdr *cur;
464 struct pf_poolhashkey key;
465 struct pf_addr counter;
466 int tblidx;
467 u_int16_t proxy_port[2];
468 u_int8_t port_op;
469 u_int8_t opts;
470};
471
472
473/* A packed Operating System description for fingerprinting */
474typedef u_int32_t pf_osfp_t;
475#define PF_OSFP_ANY ((pf_osfp_t)0)
476#define PF_OSFP_UNKNOWN ((pf_osfp_t)-1)
477#define PF_OSFP_NOMATCH ((pf_osfp_t)-2)
478
479struct pf_osfp_entry {
480 SLIST_ENTRY(pf_osfp_entry) fp_entry;
481 pf_osfp_t fp_os;
482 int fp_enflags;
483#define PF_OSFP_EXPANDED 0x001 /* expanded entry */
484#define PF_OSFP_GENERIC 0x002 /* generic signature */
485#define PF_OSFP_NODETAIL 0x004 /* no p0f details */
486#define PF_OSFP_LEN 32
487 char fp_class_nm[PF_OSFP_LEN];
488 char fp_version_nm[PF_OSFP_LEN];
489 char fp_subtype_nm[PF_OSFP_LEN];
490};
491#define PF_OSFP_ENTRY_EQ(a, b) \
492 ((a)->fp_os == (b)->fp_os && \
493 memcmp((a)->fp_class_nm, (b)->fp_class_nm, PF_OSFP_LEN) == 0 && \
494 memcmp((a)->fp_version_nm, (b)->fp_version_nm, PF_OSFP_LEN) == 0 && \
495 memcmp((a)->fp_subtype_nm, (b)->fp_subtype_nm, PF_OSFP_LEN) == 0)
496
497/* handle pf_osfp_t packing */
498#define _FP_RESERVED_BIT 1 /* For the special negative #defines */
499#define _FP_UNUSED_BITS 1
500#define _FP_CLASS_BITS 10 /* OS Class (Windows, Linux) */
501#define _FP_VERSION_BITS 10 /* OS version (95, 98, NT, 2.4.54, 3.2) */
502#define _FP_SUBTYPE_BITS 10 /* patch level (NT SP4, SP3, ECN patch) */
503#define PF_OSFP_UNPACK(osfp, class, version, subtype) do { \
504 (class) = ((osfp) >> (_FP_VERSION_BITS+_FP_SUBTYPE_BITS)) & \
505 ((1 << _FP_CLASS_BITS) - 1); \
506 (version) = ((osfp) >> _FP_SUBTYPE_BITS) & \
507 ((1 << _FP_VERSION_BITS) - 1);\
508 (subtype) = (osfp) & ((1 << _FP_SUBTYPE_BITS) - 1); \
509} while(0)
510#define PF_OSFP_PACK(osfp, class, version, subtype) do { \
511 (osfp) = ((class) & ((1 << _FP_CLASS_BITS) - 1)) << (_FP_VERSION_BITS \
512 + _FP_SUBTYPE_BITS); \
513 (osfp) |= ((version) & ((1 << _FP_VERSION_BITS) - 1)) << \
514 _FP_SUBTYPE_BITS; \
515 (osfp) |= (subtype) & ((1 << _FP_SUBTYPE_BITS) - 1); \
516} while(0)
517
518/* the fingerprint of an OSes TCP SYN packet */
519typedef u_int64_t pf_tcpopts_t;
520struct pf_os_fingerprint {
521 SLIST_HEAD(pf_osfp_enlist, pf_osfp_entry) fp_oses; /* list of matches */
522 pf_tcpopts_t fp_tcpopts; /* packed TCP options */
523 u_int16_t fp_wsize; /* TCP window size */
524 u_int16_t fp_psize; /* ip->ip_len */
525 u_int16_t fp_mss; /* TCP MSS */
526 u_int16_t fp_flags;
527#define PF_OSFP_WSIZE_MOD 0x0001 /* Window modulus */
528#define PF_OSFP_WSIZE_DC 0x0002 /* Window don't care */
529#define PF_OSFP_WSIZE_MSS 0x0004 /* Window multiple of MSS */
530#define PF_OSFP_WSIZE_MTU 0x0008 /* Window multiple of MTU */
531#define PF_OSFP_PSIZE_MOD 0x0010 /* packet size modulus */
532#define PF_OSFP_PSIZE_DC 0x0020 /* packet size don't care */
533#define PF_OSFP_WSCALE 0x0040 /* TCP window scaling */
534#define PF_OSFP_WSCALE_MOD 0x0080 /* TCP window scale modulus */
535#define PF_OSFP_WSCALE_DC 0x0100 /* TCP window scale dont-care */
536#define PF_OSFP_MSS 0x0200 /* TCP MSS */
537#define PF_OSFP_MSS_MOD 0x0400 /* TCP MSS modulus */
538#define PF_OSFP_MSS_DC 0x0800 /* TCP MSS dont-care */
539#define PF_OSFP_DF 0x1000 /* IPv4 don't fragment bit */
540#define PF_OSFP_TS0 0x2000 /* Zero timestamp */
|
| 541#define PF_OSFP_INET6 0x4000 /* IPv6 */
|
529 u_int8_t fp_optcnt; /* TCP option count */
530 u_int8_t fp_wscale; /* TCP window scaling */
531 u_int8_t fp_ttl; /* IPv4 TTL */
532#define PF_OSFP_MAXTTL_OFFSET 40
533/* TCP options packing */
534#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
535#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
536#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
537#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */
538#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */
539#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */
540#define PF_OSFP_MAX_OPTS \
541 (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \
542 / PF_OSFP_TCPOPT_BITS
543
544 SLIST_ENTRY(pf_os_fingerprint) fp_next;
545};
546
547struct pf_osfp_ioctl {
548 struct pf_osfp_entry fp_os;
549 pf_tcpopts_t fp_tcpopts; /* packed TCP options */
550 u_int16_t fp_wsize; /* TCP window size */
551 u_int16_t fp_psize; /* ip->ip_len */
552 u_int16_t fp_mss; /* TCP MSS */
553 u_int16_t fp_flags;
554 u_int8_t fp_optcnt; /* TCP option count */
555 u_int8_t fp_wscale; /* TCP window scaling */
556 u_int8_t fp_ttl; /* IPv4 TTL */
557
558 int fp_getnum; /* DIOCOSFPGET number */
559};
560
561
562union pf_rule_ptr {
563 struct pf_rule *ptr;
564 u_int32_t nr;
565};
566
567#define PF_ANCHOR_NAME_SIZE 64
568
569struct pf_rule {
570 struct pf_rule_addr src;
571 struct pf_rule_addr dst;
572#define PF_SKIP_IFP 0
573#define PF_SKIP_DIR 1
574#define PF_SKIP_AF 2
575#define PF_SKIP_PROTO 3
576#define PF_SKIP_SRC_ADDR 4
577#define PF_SKIP_SRC_PORT 5
578#define PF_SKIP_DST_ADDR 6
579#define PF_SKIP_DST_PORT 7
580#define PF_SKIP_COUNT 8
581 union pf_rule_ptr skip[PF_SKIP_COUNT];
582#define PF_RULE_LABEL_SIZE 64
583 char label[PF_RULE_LABEL_SIZE];
| 542 u_int8_t fp_optcnt; /* TCP option count */
543 u_int8_t fp_wscale; /* TCP window scaling */
544 u_int8_t fp_ttl; /* IPv4 TTL */
545#define PF_OSFP_MAXTTL_OFFSET 40
546/* TCP options packing */
547#define PF_OSFP_TCPOPT_NOP 0x0 /* TCP NOP option */
548#define PF_OSFP_TCPOPT_WSCALE 0x1 /* TCP window scaling option */
549#define PF_OSFP_TCPOPT_MSS 0x2 /* TCP max segment size opt */
550#define PF_OSFP_TCPOPT_SACK 0x3 /* TCP SACK OK option */
551#define PF_OSFP_TCPOPT_TS 0x4 /* TCP timestamp option */
552#define PF_OSFP_TCPOPT_BITS 3 /* bits used by each option */
553#define PF_OSFP_MAX_OPTS \
554 (sizeof(((struct pf_os_fingerprint *)0)->fp_tcpopts) * 8) \
555 / PF_OSFP_TCPOPT_BITS
556
557 SLIST_ENTRY(pf_os_fingerprint) fp_next;
558};
559
560struct pf_osfp_ioctl {
561 struct pf_osfp_entry fp_os;
562 pf_tcpopts_t fp_tcpopts; /* packed TCP options */
563 u_int16_t fp_wsize; /* TCP window size */
564 u_int16_t fp_psize; /* ip->ip_len */
565 u_int16_t fp_mss; /* TCP MSS */
566 u_int16_t fp_flags;
567 u_int8_t fp_optcnt; /* TCP option count */
568 u_int8_t fp_wscale; /* TCP window scaling */
569 u_int8_t fp_ttl; /* IPv4 TTL */
570
571 int fp_getnum; /* DIOCOSFPGET number */
572};
573
574
575union pf_rule_ptr {
576 struct pf_rule *ptr;
577 u_int32_t nr;
578};
579
580#define PF_ANCHOR_NAME_SIZE 64
581
582struct pf_rule {
583 struct pf_rule_addr src;
584 struct pf_rule_addr dst;
585#define PF_SKIP_IFP 0
586#define PF_SKIP_DIR 1
587#define PF_SKIP_AF 2
588#define PF_SKIP_PROTO 3
589#define PF_SKIP_SRC_ADDR 4
590#define PF_SKIP_SRC_PORT 5
591#define PF_SKIP_DST_ADDR 6
592#define PF_SKIP_DST_PORT 7
593#define PF_SKIP_COUNT 8
594 union pf_rule_ptr skip[PF_SKIP_COUNT];
595#define PF_RULE_LABEL_SIZE 64
596 char label[PF_RULE_LABEL_SIZE];
|
584#define PF_QNAME_SIZE 16
| 597#define PF_QNAME_SIZE 64
|
585 char ifname[IFNAMSIZ];
586 char qname[PF_QNAME_SIZE];
587 char pqname[PF_QNAME_SIZE];
| 598 char ifname[IFNAMSIZ];
599 char qname[PF_QNAME_SIZE];
600 char pqname[PF_QNAME_SIZE];
|
588#define PF_TAG_NAME_SIZE 16
| 601#define PF_TAG_NAME_SIZE 64
|
589 char tagname[PF_TAG_NAME_SIZE];
590 char match_tagname[PF_TAG_NAME_SIZE];
591
592 char overload_tblname[PF_TABLE_NAME_SIZE];
593
594 TAILQ_ENTRY(pf_rule) entries;
595 struct pf_pool rpool;
596
597 u_int64_t evaluations;
| 602 char tagname[PF_TAG_NAME_SIZE];
603 char match_tagname[PF_TAG_NAME_SIZE];
604
605 char overload_tblname[PF_TABLE_NAME_SIZE];
606
607 TAILQ_ENTRY(pf_rule) entries;
608 struct pf_pool rpool;
609
610 u_int64_t evaluations;
|
598 u_int64_t packets;
599 u_int64_t bytes;
| 611 u_int64_t packets[2];
612 u_int64_t bytes[2];
|
600
601 struct pfi_kif *kif;
602 struct pf_anchor *anchor;
603 struct pfr_ktable *overload_tbl;
604
605 pf_osfp_t os_fingerprint;
606
| 613
614 struct pfi_kif *kif;
615 struct pf_anchor *anchor;
616 struct pfr_ktable *overload_tbl;
617
618 pf_osfp_t os_fingerprint;
619
|
| 620 int rtableid;
|
607 u_int32_t timeout[PFTM_MAX];
608 u_int32_t states;
609 u_int32_t max_states;
610 u_int32_t src_nodes;
611 u_int32_t max_src_nodes;
612 u_int32_t max_src_states;
613 u_int32_t max_src_conn;
614 struct {
615 u_int32_t limit;
616 u_int32_t seconds;
617 } max_src_conn_rate;
618 u_int32_t qid;
619 u_int32_t pqid;
620 u_int32_t rt_listid;
621 u_int32_t nr;
622 u_int32_t prob;
| 621 u_int32_t timeout[PFTM_MAX];
622 u_int32_t states;
623 u_int32_t max_states;
624 u_int32_t src_nodes;
625 u_int32_t max_src_nodes;
626 u_int32_t max_src_states;
627 u_int32_t max_src_conn;
628 struct {
629 u_int32_t limit;
630 u_int32_t seconds;
631 } max_src_conn_rate;
632 u_int32_t qid;
633 u_int32_t pqid;
634 u_int32_t rt_listid;
635 u_int32_t nr;
636 u_int32_t prob;
|
| 637 uid_t cuid;
638 pid_t cpid;
|
623
624 u_int16_t return_icmp;
625 u_int16_t return_icmp6;
626 u_int16_t max_mss;
627 u_int16_t tag;
628 u_int16_t match_tag;
629
630 struct pf_rule_uid uid;
631 struct pf_rule_gid gid;
632
633 u_int32_t rule_flag;
634 u_int8_t action;
635 u_int8_t direction;
636 u_int8_t log;
| 639
640 u_int16_t return_icmp;
641 u_int16_t return_icmp6;
642 u_int16_t max_mss;
643 u_int16_t tag;
644 u_int16_t match_tag;
645
646 struct pf_rule_uid uid;
647 struct pf_rule_gid gid;
648
649 u_int32_t rule_flag;
650 u_int8_t action;
651 u_int8_t direction;
652 u_int8_t log;
|
| 653 u_int8_t logif;
|
637 u_int8_t quick;
638 u_int8_t ifnot;
639 u_int8_t match_tag_not;
640 u_int8_t natpass;
641
642#define PF_STATE_NORMAL 0x1
643#define PF_STATE_MODULATE 0x2
644#define PF_STATE_SYNPROXY 0x3
645 u_int8_t keep_state;
646 sa_family_t af;
647 u_int8_t proto;
648 u_int8_t type;
649 u_int8_t code;
650 u_int8_t flags;
651 u_int8_t flagset;
652 u_int8_t min_ttl;
653 u_int8_t allow_opts;
654 u_int8_t rt;
655 u_int8_t return_ttl;
656 u_int8_t tos;
657 u_int8_t anchor_relative;
658 u_int8_t anchor_wildcard;
659
660#define PF_FLUSH 0x01
661#define PF_FLUSH_GLOBAL 0x02
662 u_int8_t flush;
663};
664
665/* rule flags */
666#define PFRULE_DROP 0x0000
667#define PFRULE_RETURNRST 0x0001
668#define PFRULE_FRAGMENT 0x0002
669#define PFRULE_RETURNICMP 0x0004
670#define PFRULE_RETURN 0x0008
671#define PFRULE_NOSYNC 0x0010
672#define PFRULE_SRCTRACK 0x0020 /* track source states */
673#define PFRULE_RULESRCTRACK 0x0040 /* per rule */
674
675/* scrub flags */
676#define PFRULE_NODF 0x0100
677#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */
678#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */
679#define PFRULE_RANDOMID 0x0800
680#define PFRULE_REASSEMBLE_TCP 0x1000
681
682/* rule flags again */
683#define PFRULE_IFBOUND 0x00010000 /* if-bound */
| 654 u_int8_t quick;
655 u_int8_t ifnot;
656 u_int8_t match_tag_not;
657 u_int8_t natpass;
658
659#define PF_STATE_NORMAL 0x1
660#define PF_STATE_MODULATE 0x2
661#define PF_STATE_SYNPROXY 0x3
662 u_int8_t keep_state;
663 sa_family_t af;
664 u_int8_t proto;
665 u_int8_t type;
666 u_int8_t code;
667 u_int8_t flags;
668 u_int8_t flagset;
669 u_int8_t min_ttl;
670 u_int8_t allow_opts;
671 u_int8_t rt;
672 u_int8_t return_ttl;
673 u_int8_t tos;
674 u_int8_t anchor_relative;
675 u_int8_t anchor_wildcard;
676
677#define PF_FLUSH 0x01
678#define PF_FLUSH_GLOBAL 0x02
679 u_int8_t flush;
680};
681
682/* rule flags */
683#define PFRULE_DROP 0x0000
684#define PFRULE_RETURNRST 0x0001
685#define PFRULE_FRAGMENT 0x0002
686#define PFRULE_RETURNICMP 0x0004
687#define PFRULE_RETURN 0x0008
688#define PFRULE_NOSYNC 0x0010
689#define PFRULE_SRCTRACK 0x0020 /* track source states */
690#define PFRULE_RULESRCTRACK 0x0040 /* per rule */
691
692/* scrub flags */
693#define PFRULE_NODF 0x0100
694#define PFRULE_FRAGCROP 0x0200 /* non-buffering frag cache */
695#define PFRULE_FRAGDROP 0x0400 /* drop funny fragments */
696#define PFRULE_RANDOMID 0x0800
697#define PFRULE_REASSEMBLE_TCP 0x1000
698
699/* rule flags again */
700#define PFRULE_IFBOUND 0x00010000 /* if-bound */
|
684#define PFRULE_GRBOUND 0x00020000 /* group-bound */
| |
685
686#define PFSTATE_HIWAT 10000 /* default state table size */
| 701
702#define PFSTATE_HIWAT 10000 /* default state table size */
|
| 703#define PFSTATE_ADAPT_START 6000 /* default adaptive timeout start */
704#define PFSTATE_ADAPT_END 12000 /* default adaptive timeout end */
|
687
688
689struct pf_threshold {
690 u_int32_t limit;
691#define PF_THRESHOLD_MULT 1000
692#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT
693 u_int32_t seconds;
694 u_int32_t count;
695 u_int32_t last;
696};
697
698struct pf_src_node {
699 RB_ENTRY(pf_src_node) entry;
700 struct pf_addr addr;
701 struct pf_addr raddr;
702 union pf_rule_ptr rule;
703 struct pfi_kif *kif;
| 705
706
707struct pf_threshold {
708 u_int32_t limit;
709#define PF_THRESHOLD_MULT 1000
710#define PF_THRESHOLD_MAX 0xffffffff / PF_THRESHOLD_MULT
711 u_int32_t seconds;
712 u_int32_t count;
713 u_int32_t last;
714};
715
716struct pf_src_node {
717 RB_ENTRY(pf_src_node) entry;
718 struct pf_addr addr;
719 struct pf_addr raddr;
720 union pf_rule_ptr rule;
721 struct pfi_kif *kif;
|
704 u_int32_t bytes;
705 u_int32_t packets;
| 722 u_int64_t bytes[2];
723 u_int64_t packets[2];
|
706 u_int32_t states;
707 u_int32_t conn;
708 struct pf_threshold conn_rate;
709 u_int32_t creation;
710 u_int32_t expire;
711 sa_family_t af;
712 u_int8_t ruletype;
713};
714
715#define PFSNODE_HIWAT 10000 /* default source node table size */
716
717struct pf_state_scrub {
718 struct timeval pfss_last; /* time received last packet */
719 u_int32_t pfss_tsecr; /* last echoed timestamp */
720 u_int32_t pfss_tsval; /* largest timestamp */
721 u_int32_t pfss_tsval0; /* original timestamp */
722 u_int16_t pfss_flags;
723#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
724#define PFSS_PAWS 0x0010 /* stricter PAWS checks */
725#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */
726#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */
727#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */
728 u_int8_t pfss_ttl; /* stashed TTL */
729 u_int8_t pad;
730 u_int32_t pfss_ts_mod; /* timestamp modulation */
731};
732
733struct pf_state_host {
734 struct pf_addr addr;
735 u_int16_t port;
736 u_int16_t pad;
737};
738
739struct pf_state_peer {
740 u_int32_t seqlo; /* Max sequence number sent */
741 u_int32_t seqhi; /* Max the other end ACKd + win */
742 u_int32_t seqdiff; /* Sequence number modulator */
743 u_int16_t max_win; /* largest window (pre scaling) */
744 u_int8_t state; /* active state level */
745 u_int8_t wscale; /* window scaling factor */
746 u_int16_t mss; /* Maximum segment size option */
| 724 u_int32_t states;
725 u_int32_t conn;
726 struct pf_threshold conn_rate;
727 u_int32_t creation;
728 u_int32_t expire;
729 sa_family_t af;
730 u_int8_t ruletype;
731};
732
733#define PFSNODE_HIWAT 10000 /* default source node table size */
734
735struct pf_state_scrub {
736 struct timeval pfss_last; /* time received last packet */
737 u_int32_t pfss_tsecr; /* last echoed timestamp */
738 u_int32_t pfss_tsval; /* largest timestamp */
739 u_int32_t pfss_tsval0; /* original timestamp */
740 u_int16_t pfss_flags;
741#define PFSS_TIMESTAMP 0x0001 /* modulate timestamp */
742#define PFSS_PAWS 0x0010 /* stricter PAWS checks */
743#define PFSS_PAWS_IDLED 0x0020 /* was idle too long. no PAWS */
744#define PFSS_DATA_TS 0x0040 /* timestamp on data packets */
745#define PFSS_DATA_NOTS 0x0080 /* no timestamp on data packets */
746 u_int8_t pfss_ttl; /* stashed TTL */
747 u_int8_t pad;
748 u_int32_t pfss_ts_mod; /* timestamp modulation */
749};
750
751struct pf_state_host {
752 struct pf_addr addr;
753 u_int16_t port;
754 u_int16_t pad;
755};
756
757struct pf_state_peer {
758 u_int32_t seqlo; /* Max sequence number sent */
759 u_int32_t seqhi; /* Max the other end ACKd + win */
760 u_int32_t seqdiff; /* Sequence number modulator */
761 u_int16_t max_win; /* largest window (pre scaling) */
762 u_int8_t state; /* active state level */
763 u_int8_t wscale; /* window scaling factor */
764 u_int16_t mss; /* Maximum segment size option */
|
| 765 u_int8_t tcp_est; /* Did we reach TCPS_ESTABLISHED */
|
747 struct pf_state_scrub *scrub; /* state is scrubbed */
| 766 struct pf_state_scrub *scrub; /* state is scrubbed */
|
| 767 u_int8_t pad[3];
|
748};
749
750TAILQ_HEAD(pf_state_queue, pf_state);
751
| 768};
769
770TAILQ_HEAD(pf_state_queue, pf_state);
771
|
| 772/* keep synced with struct pf_state, used in RB_FIND */
773struct pf_state_cmp {
774 u_int64_t id;
775 u_int32_t creatorid;
776 struct pf_state_host lan;
777 struct pf_state_host gwy;
778 struct pf_state_host ext;
779 sa_family_t af;
780 u_int8_t proto;
781 u_int8_t direction;
782 u_int8_t pad;
783};
784
|
752struct pf_state {
753 u_int64_t id;
| 785struct pf_state {
786 u_int64_t id;
|
| 787 u_int32_t creatorid;
788 struct pf_state_host lan;
789 struct pf_state_host gwy;
790 struct pf_state_host ext;
791 sa_family_t af;
792 u_int8_t proto;
793 u_int8_t direction;
794#ifdef __FreeBSD__
795 u_int8_t local_flags;
796#define PFSTATE_EXPIRING 0x01
797#else
798 u_int8_t pad;
799#endif
800 u_int8_t log;
801 u_int8_t allow_opts;
802 u_int8_t timeout;
803 u_int8_t sync_flags;
804#define PFSTATE_NOSYNC 0x01
805#define PFSTATE_FROMSYNC 0x02
806#define PFSTATE_STALE 0x04
|
754 union {
755 struct {
756 RB_ENTRY(pf_state) entry_lan_ext;
757 RB_ENTRY(pf_state) entry_ext_gwy;
758 RB_ENTRY(pf_state) entry_id;
| 807 union {
808 struct {
809 RB_ENTRY(pf_state) entry_lan_ext;
810 RB_ENTRY(pf_state) entry_ext_gwy;
811 RB_ENTRY(pf_state) entry_id;
|
759 TAILQ_ENTRY(pf_state) entry_updates;
| 812 TAILQ_ENTRY(pf_state) entry_list;
|
760 struct pfi_kif *kif;
761 } s;
762 char ifname[IFNAMSIZ];
763 } u;
| 813 struct pfi_kif *kif;
814 } s;
815 char ifname[IFNAMSIZ];
816 } u;
|
764 struct pf_state_host lan;
765 struct pf_state_host gwy;
766 struct pf_state_host ext;
| |
767 struct pf_state_peer src;
768 struct pf_state_peer dst;
769 union pf_rule_ptr rule;
770 union pf_rule_ptr anchor;
771 union pf_rule_ptr nat_rule;
772 struct pf_addr rt_addr;
773 struct pfi_kif *rt_kif;
774 struct pf_src_node *src_node;
775 struct pf_src_node *nat_src_node;
| 817 struct pf_state_peer src;
818 struct pf_state_peer dst;
819 union pf_rule_ptr rule;
820 union pf_rule_ptr anchor;
821 union pf_rule_ptr nat_rule;
822 struct pf_addr rt_addr;
823 struct pfi_kif *rt_kif;
824 struct pf_src_node *src_node;
825 struct pf_src_node *nat_src_node;
|
| 826 u_int64_t packets[2];
827 u_int64_t bytes[2];
|
776 u_int32_t creation;
777 u_int32_t expire;
778 u_int32_t pfsync_time;
| 828 u_int32_t creation;
829 u_int32_t expire;
830 u_int32_t pfsync_time;
|
779 u_int32_t packets[2];
780 u_int32_t bytes[2];
781 u_int32_t creatorid;
| |
782 u_int16_t tag;
| 831 u_int16_t tag;
|
783 sa_family_t af;
784 u_int8_t proto;
785 u_int8_t direction;
786 u_int8_t log;
787 u_int8_t allow_opts;
788 u_int8_t timeout;
789 u_int8_t sync_flags;
790#define PFSTATE_NOSYNC 0x01
791#define PFSTATE_FROMSYNC 0x02
792#define PFSTATE_STALE 0x04
793#ifdef __FreeBSD__
794 u_int8_t local_flags;
795#define PFSTATE_EXPIRING 0x01
796#define PFSTATE_SRC_CONN 0x02
797#else
798 u_int8_t pad;
799#endif
| |
800};
801
802TAILQ_HEAD(pf_rulequeue, pf_rule);
803
804struct pf_anchor;
805
806struct pf_ruleset {
807 struct {
808 struct pf_rulequeue queues[2];
809 struct {
810 struct pf_rulequeue *ptr;
| 832};
833
834TAILQ_HEAD(pf_rulequeue, pf_rule);
835
836struct pf_anchor;
837
838struct pf_ruleset {
839 struct {
840 struct pf_rulequeue queues[2];
841 struct {
842 struct pf_rulequeue *ptr;
|
| 843 struct pf_rule **ptr_array;
844 u_int32_t rcount;
|
811 u_int32_t ticket;
812 int open;
813 } active, inactive;
814 } rules[PF_RULESET_MAX];
815 struct pf_anchor *anchor;
816 u_int32_t tticket;
817 int tables;
818 int topen;
819};
820
821RB_HEAD(pf_anchor_global, pf_anchor);
822RB_HEAD(pf_anchor_node, pf_anchor);
823struct pf_anchor {
824 RB_ENTRY(pf_anchor) entry_global;
825 RB_ENTRY(pf_anchor) entry_node;
826 struct pf_anchor *parent;
827 struct pf_anchor_node children;
828 char name[PF_ANCHOR_NAME_SIZE];
829 char path[MAXPATHLEN];
830 struct pf_ruleset ruleset;
831 int refcnt; /* anchor rules */
| 845 u_int32_t ticket;
846 int open;
847 } active, inactive;
848 } rules[PF_RULESET_MAX];
849 struct pf_anchor *anchor;
850 u_int32_t tticket;
851 int tables;
852 int topen;
853};
854
855RB_HEAD(pf_anchor_global, pf_anchor);
856RB_HEAD(pf_anchor_node, pf_anchor);
857struct pf_anchor {
858 RB_ENTRY(pf_anchor) entry_global;
859 RB_ENTRY(pf_anchor) entry_node;
860 struct pf_anchor *parent;
861 struct pf_anchor_node children;
862 char name[PF_ANCHOR_NAME_SIZE];
863 char path[MAXPATHLEN];
864 struct pf_ruleset ruleset;
865 int refcnt; /* anchor rules */
|
| 866 int match;
|
832};
833RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare);
834RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare);
835
836#define PF_RESERVED_ANCHOR "_pf"
837
838#define PFR_TFLAG_PERSIST 0x00000001
839#define PFR_TFLAG_CONST 0x00000002
840#define PFR_TFLAG_ACTIVE 0x00000004
841#define PFR_TFLAG_INACTIVE 0x00000008
842#define PFR_TFLAG_REFERENCED 0x00000010
843#define PFR_TFLAG_REFDANCHOR 0x00000020
844#define PFR_TFLAG_USRMASK 0x00000003
845#define PFR_TFLAG_SETMASK 0x0000003C
846#define PFR_TFLAG_ALLMASK 0x0000003F
847
848struct pfr_table {
849 char pfrt_anchor[MAXPATHLEN];
850 char pfrt_name[PF_TABLE_NAME_SIZE];
851 u_int32_t pfrt_flags;
852 u_int8_t pfrt_fback;
853};
854
855enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
856 PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
857 PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX };
858
859struct pfr_addr {
860 union {
861 struct in_addr _pfra_ip4addr;
862 struct in6_addr _pfra_ip6addr;
863 } pfra_u;
864 u_int8_t pfra_af;
865 u_int8_t pfra_net;
866 u_int8_t pfra_not;
867 u_int8_t pfra_fback;
868};
869#define pfra_ip4addr pfra_u._pfra_ip4addr
870#define pfra_ip6addr pfra_u._pfra_ip6addr
871
872enum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX };
873enum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX };
874#define PFR_OP_XPASS PFR_OP_ADDR_MAX
875
876struct pfr_astats {
877 struct pfr_addr pfras_a;
878 u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
879 u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
880 long pfras_tzero;
881};
882
883enum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX };
884
885struct pfr_tstats {
886 struct pfr_table pfrts_t;
887 u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
888 u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
889 u_int64_t pfrts_match;
890 u_int64_t pfrts_nomatch;
891 long pfrts_tzero;
892 int pfrts_cnt;
893 int pfrts_refcnt[PFR_REFCNT_MAX];
894};
895#define pfrts_name pfrts_t.pfrt_name
896#define pfrts_flags pfrts_t.pfrt_flags
897
898#ifndef _SOCKADDR_UNION_DEFINED
899#define _SOCKADDR_UNION_DEFINED
900union sockaddr_union {
901 struct sockaddr sa;
902 struct sockaddr_in sin;
903 struct sockaddr_in6 sin6;
904};
905#endif /* _SOCKADDR_UNION_DEFINED */
906
907SLIST_HEAD(pfr_kentryworkq, pfr_kentry);
908struct pfr_kentry {
909 struct radix_node pfrke_node[2];
910 union sockaddr_union pfrke_sa;
911 u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
912 u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
913 SLIST_ENTRY(pfr_kentry) pfrke_workq;
914 long pfrke_tzero;
915 u_int8_t pfrke_af;
916 u_int8_t pfrke_net;
917 u_int8_t pfrke_not;
918 u_int8_t pfrke_mark;
919 u_int8_t pfrke_intrpool;
920};
921
922SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
923RB_HEAD(pfr_ktablehead, pfr_ktable);
924struct pfr_ktable {
925 struct pfr_tstats pfrkt_ts;
926 RB_ENTRY(pfr_ktable) pfrkt_tree;
927 SLIST_ENTRY(pfr_ktable) pfrkt_workq;
928 struct radix_node_head *pfrkt_ip4;
929 struct radix_node_head *pfrkt_ip6;
930 struct pfr_ktable *pfrkt_shadow;
931 struct pfr_ktable *pfrkt_root;
932 struct pf_ruleset *pfrkt_rs;
933 long pfrkt_larg;
934 int pfrkt_nflags;
935};
936#define pfrkt_t pfrkt_ts.pfrts_t
937#define pfrkt_name pfrkt_t.pfrt_name
938#define pfrkt_anchor pfrkt_t.pfrt_anchor
939#define pfrkt_ruleset pfrkt_t.pfrt_ruleset
940#define pfrkt_flags pfrkt_t.pfrt_flags
941#define pfrkt_cnt pfrkt_ts.pfrts_cnt
942#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt
943#define pfrkt_packets pfrkt_ts.pfrts_packets
944#define pfrkt_bytes pfrkt_ts.pfrts_bytes
945#define pfrkt_match pfrkt_ts.pfrts_match
946#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch
947#define pfrkt_tzero pfrkt_ts.pfrts_tzero
948
949RB_HEAD(pf_state_tree_lan_ext, pf_state);
950RB_PROTOTYPE(pf_state_tree_lan_ext, pf_state,
951 u.s.entry_lan_ext, pf_state_compare_lan_ext);
952
953RB_HEAD(pf_state_tree_ext_gwy, pf_state);
954RB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state,
955 u.s.entry_ext_gwy, pf_state_compare_ext_gwy);
956
| 867};
868RB_PROTOTYPE(pf_anchor_global, pf_anchor, entry_global, pf_anchor_compare);
869RB_PROTOTYPE(pf_anchor_node, pf_anchor, entry_node, pf_anchor_compare);
870
871#define PF_RESERVED_ANCHOR "_pf"
872
873#define PFR_TFLAG_PERSIST 0x00000001
874#define PFR_TFLAG_CONST 0x00000002
875#define PFR_TFLAG_ACTIVE 0x00000004
876#define PFR_TFLAG_INACTIVE 0x00000008
877#define PFR_TFLAG_REFERENCED 0x00000010
878#define PFR_TFLAG_REFDANCHOR 0x00000020
879#define PFR_TFLAG_USRMASK 0x00000003
880#define PFR_TFLAG_SETMASK 0x0000003C
881#define PFR_TFLAG_ALLMASK 0x0000003F
882
883struct pfr_table {
884 char pfrt_anchor[MAXPATHLEN];
885 char pfrt_name[PF_TABLE_NAME_SIZE];
886 u_int32_t pfrt_flags;
887 u_int8_t pfrt_fback;
888};
889
890enum { PFR_FB_NONE, PFR_FB_MATCH, PFR_FB_ADDED, PFR_FB_DELETED,
891 PFR_FB_CHANGED, PFR_FB_CLEARED, PFR_FB_DUPLICATE,
892 PFR_FB_NOTMATCH, PFR_FB_CONFLICT, PFR_FB_MAX };
893
894struct pfr_addr {
895 union {
896 struct in_addr _pfra_ip4addr;
897 struct in6_addr _pfra_ip6addr;
898 } pfra_u;
899 u_int8_t pfra_af;
900 u_int8_t pfra_net;
901 u_int8_t pfra_not;
902 u_int8_t pfra_fback;
903};
904#define pfra_ip4addr pfra_u._pfra_ip4addr
905#define pfra_ip6addr pfra_u._pfra_ip6addr
906
907enum { PFR_DIR_IN, PFR_DIR_OUT, PFR_DIR_MAX };
908enum { PFR_OP_BLOCK, PFR_OP_PASS, PFR_OP_ADDR_MAX, PFR_OP_TABLE_MAX };
909#define PFR_OP_XPASS PFR_OP_ADDR_MAX
910
911struct pfr_astats {
912 struct pfr_addr pfras_a;
913 u_int64_t pfras_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
914 u_int64_t pfras_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
915 long pfras_tzero;
916};
917
918enum { PFR_REFCNT_RULE, PFR_REFCNT_ANCHOR, PFR_REFCNT_MAX };
919
920struct pfr_tstats {
921 struct pfr_table pfrts_t;
922 u_int64_t pfrts_packets[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
923 u_int64_t pfrts_bytes[PFR_DIR_MAX][PFR_OP_TABLE_MAX];
924 u_int64_t pfrts_match;
925 u_int64_t pfrts_nomatch;
926 long pfrts_tzero;
927 int pfrts_cnt;
928 int pfrts_refcnt[PFR_REFCNT_MAX];
929};
930#define pfrts_name pfrts_t.pfrt_name
931#define pfrts_flags pfrts_t.pfrt_flags
932
933#ifndef _SOCKADDR_UNION_DEFINED
934#define _SOCKADDR_UNION_DEFINED
935union sockaddr_union {
936 struct sockaddr sa;
937 struct sockaddr_in sin;
938 struct sockaddr_in6 sin6;
939};
940#endif /* _SOCKADDR_UNION_DEFINED */
941
942SLIST_HEAD(pfr_kentryworkq, pfr_kentry);
943struct pfr_kentry {
944 struct radix_node pfrke_node[2];
945 union sockaddr_union pfrke_sa;
946 u_int64_t pfrke_packets[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
947 u_int64_t pfrke_bytes[PFR_DIR_MAX][PFR_OP_ADDR_MAX];
948 SLIST_ENTRY(pfr_kentry) pfrke_workq;
949 long pfrke_tzero;
950 u_int8_t pfrke_af;
951 u_int8_t pfrke_net;
952 u_int8_t pfrke_not;
953 u_int8_t pfrke_mark;
954 u_int8_t pfrke_intrpool;
955};
956
957SLIST_HEAD(pfr_ktableworkq, pfr_ktable);
958RB_HEAD(pfr_ktablehead, pfr_ktable);
959struct pfr_ktable {
960 struct pfr_tstats pfrkt_ts;
961 RB_ENTRY(pfr_ktable) pfrkt_tree;
962 SLIST_ENTRY(pfr_ktable) pfrkt_workq;
963 struct radix_node_head *pfrkt_ip4;
964 struct radix_node_head *pfrkt_ip6;
965 struct pfr_ktable *pfrkt_shadow;
966 struct pfr_ktable *pfrkt_root;
967 struct pf_ruleset *pfrkt_rs;
968 long pfrkt_larg;
969 int pfrkt_nflags;
970};
971#define pfrkt_t pfrkt_ts.pfrts_t
972#define pfrkt_name pfrkt_t.pfrt_name
973#define pfrkt_anchor pfrkt_t.pfrt_anchor
974#define pfrkt_ruleset pfrkt_t.pfrt_ruleset
975#define pfrkt_flags pfrkt_t.pfrt_flags
976#define pfrkt_cnt pfrkt_ts.pfrts_cnt
977#define pfrkt_refcnt pfrkt_ts.pfrts_refcnt
978#define pfrkt_packets pfrkt_ts.pfrts_packets
979#define pfrkt_bytes pfrkt_ts.pfrts_bytes
980#define pfrkt_match pfrkt_ts.pfrts_match
981#define pfrkt_nomatch pfrkt_ts.pfrts_nomatch
982#define pfrkt_tzero pfrkt_ts.pfrts_tzero
983
984RB_HEAD(pf_state_tree_lan_ext, pf_state);
985RB_PROTOTYPE(pf_state_tree_lan_ext, pf_state,
986 u.s.entry_lan_ext, pf_state_compare_lan_ext);
987
988RB_HEAD(pf_state_tree_ext_gwy, pf_state);
989RB_PROTOTYPE(pf_state_tree_ext_gwy, pf_state,
990 u.s.entry_ext_gwy, pf_state_compare_ext_gwy);
991
|
957struct pfi_if {
958 char pfif_name[IFNAMSIZ];
959 u_int64_t pfif_packets[2][2][2];
960 u_int64_t pfif_bytes[2][2][2];
961 u_int64_t pfif_addcnt;
962 u_int64_t pfif_delcnt;
963 long pfif_tzero;
964 int pfif_states;
965 int pfif_rules;
966 int pfif_flags;
967};
968
969TAILQ_HEAD(pfi_grouphead, pfi_kif);
| |
970TAILQ_HEAD(pfi_statehead, pfi_kif);
971RB_HEAD(pfi_ifhead, pfi_kif);
| 992TAILQ_HEAD(pfi_statehead, pfi_kif);
993RB_HEAD(pfi_ifhead, pfi_kif);
|
| 994
995/* keep synced with pfi_kif, used in RB_FIND */
996struct pfi_kif_cmp {
997 char pfik_name[IFNAMSIZ];
998};
999
|
972struct pfi_kif {
| 1000struct pfi_kif {
|
973 struct pfi_if pfik_if;
| 1001 char pfik_name[IFNAMSIZ];
|
974 RB_ENTRY(pfi_kif) pfik_tree;
| 1002 RB_ENTRY(pfi_kif) pfik_tree;
|
| 1003 u_int64_t pfik_packets[2][2][2];
1004 u_int64_t pfik_bytes[2][2][2];
1005 u_int32_t pfik_tzero;
1006 int pfik_flags;
|
975 struct pf_state_tree_lan_ext pfik_lan_ext;
976 struct pf_state_tree_ext_gwy pfik_ext_gwy;
| 1007 struct pf_state_tree_lan_ext pfik_lan_ext;
1008 struct pf_state_tree_ext_gwy pfik_ext_gwy;
|
977 struct pfi_grouphead pfik_grouphead;
978 TAILQ_ENTRY(pfi_kif) pfik_instances;
| |
979 TAILQ_ENTRY(pfi_kif) pfik_w_states;
| 1009 TAILQ_ENTRY(pfi_kif) pfik_w_states;
|
980 struct hook_desc_head *pfik_ah_head;
| 1010#ifndef __FreeBSD__
|
981 void *pfik_ah_cookie;
| 1011 void *pfik_ah_cookie;
|
982 struct pfi_kif *pfik_parent;
| 1012#endif
|
983 struct ifnet *pfik_ifp;
| 1013 struct ifnet *pfik_ifp;
|
| 1014 struct ifg_group *pfik_group;
|
984 int pfik_states;
985 int pfik_rules;
| 1015 int pfik_states;
1016 int pfik_rules;
|
| 1017 TAILQ_HEAD(, pfi_dynaddr) pfik_dynaddrs;
|
986};
| 1018};
|
987#define pfik_name pfik_if.pfif_name
988#define pfik_packets pfik_if.pfif_packets
989#define pfik_bytes pfik_if.pfif_bytes
990#define pfik_tzero pfik_if.pfif_tzero
991#define pfik_flags pfik_if.pfif_flags
992#define pfik_addcnt pfik_if.pfif_addcnt
993#define pfik_delcnt pfik_if.pfif_delcnt
994#define pfik_states pfik_if.pfif_states
995#define pfik_rules pfik_if.pfif_rules
| |
996
| 1019
|
997#define PFI_IFLAG_GROUP 0x0001 /* group of interfaces */
998#define PFI_IFLAG_INSTANCE 0x0002 /* single instance */
999#define PFI_IFLAG_CLONABLE 0x0010 /* clonable group */
1000#define PFI_IFLAG_DYNAMIC 0x0020 /* dynamic group */
1001#define PFI_IFLAG_ATTACHED 0x0040 /* interface attached */
| 1020enum pfi_kif_refs {
1021 PFI_KIF_REF_NONE,
1022 PFI_KIF_REF_STATE,
1023 PFI_KIF_REF_RULE
1024};
1025
|
1002#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
| 1026#define PFI_IFLAG_SKIP 0x0100 /* skip filtering on interface */
|
| 1027/* XXX: revisist */
|
1003#define PFI_IFLAG_SETABLE_MASK 0x0100 /* setable via DIOC{SET,CLR}IFFLAG */
1004#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */
1005
1006struct pf_pdesc {
| 1028#define PFI_IFLAG_SETABLE_MASK 0x0100 /* setable via DIOC{SET,CLR}IFFLAG */
1029#define PFI_IFLAG_PLACEHOLDER 0x8000 /* placeholder group/interface */
1030
1031struct pf_pdesc {
|
| 1032 struct {
1033 int done;
1034 uid_t uid;
1035 gid_t gid;
1036 pid_t pid;
1037 } lookup;
|
1007 u_int64_t tot_len; /* Make Mickey money */
1008 union {
1009 struct tcphdr *tcp;
1010 struct udphdr *udp;
1011 struct icmp *icmp;
1012#ifdef INET6
1013 struct icmp6_hdr *icmp6;
1014#endif /* INET6 */
1015 void *any;
1016 } hdr;
1017 struct pf_addr baddr; /* address before translation */
1018 struct pf_addr naddr; /* address after translation */
1019 struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */
1020 struct pf_addr *src;
1021 struct pf_addr *dst;
1022 struct ether_header
1023 *eh;
| 1038 u_int64_t tot_len; /* Make Mickey money */
1039 union {
1040 struct tcphdr *tcp;
1041 struct udphdr *udp;
1042 struct icmp *icmp;
1043#ifdef INET6
1044 struct icmp6_hdr *icmp6;
1045#endif /* INET6 */
1046 void *any;
1047 } hdr;
1048 struct pf_addr baddr; /* address before translation */
1049 struct pf_addr naddr; /* address after translation */
1050 struct pf_rule *nat_rule; /* nat/rdr rule applied to packet */
1051 struct pf_addr *src;
1052 struct pf_addr *dst;
1053 struct ether_header
1054 *eh;
|
| 1055 struct pf_mtag *pf_mtag;
|
1024 u_int16_t *ip_sum;
1025 u_int32_t p_len; /* total length of payload */
1026 u_int16_t flags; /* Let SCRUB trigger behavior in
1027 * state code. Easier than tags */
1028#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
1029#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
1030 sa_family_t af;
1031 u_int8_t proto;
1032 u_int8_t tos;
1033};
1034
1035/* flags for RDR options */
1036#define PF_DPORT_RANGE 0x01 /* Dest port uses range */
1037#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
1038
1039/* Reasons code for passing/dropping a packet */
1040#define PFRES_MATCH 0 /* Explicit match of a rule */
1041#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */
1042#define PFRES_FRAG 2 /* Dropping following fragment */
1043#define PFRES_SHORT 3 /* Dropping short packet */
1044#define PFRES_NORM 4 /* Dropping by normalizer */
1045#define PFRES_MEMORY 5 /* Dropped due to lacking mem */
1046#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */
1047#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */
1048#define PFRES_IPOPTIONS 8 /* IP option */
1049#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */
1050#define PFRES_BADSTATE 10 /* State mismatch */
1051#define PFRES_STATEINS 11 /* State insertion failure */
1052#define PFRES_MAXSTATES 12 /* State limit */
1053#define PFRES_SRCLIMIT 13 /* Source node/conn limit */
1054#define PFRES_SYNPROXY 14 /* SYN proxy */
1055#define PFRES_MAX 15 /* total+1 */
1056
1057#define PFRES_NAMES { \
1058 "match", \
1059 "bad-offset", \
1060 "fragment", \
1061 "short", \
1062 "normalize", \
1063 "memory", \
1064 "bad-timestamp", \
1065 "congestion", \
1066 "ip-option", \
1067 "proto-cksum", \
1068 "state-mismatch", \
1069 "state-insert", \
1070 "state-limit", \
1071 "src-limit", \
1072 "synproxy", \
1073 NULL \
1074}
1075
1076/* Counters for other things we want to keep track of */
1077#define LCNT_STATES 0 /* states */
1078#define LCNT_SRCSTATES 1 /* max-src-states */
1079#define LCNT_SRCNODES 2 /* max-src-nodes */
1080#define LCNT_SRCCONN 3 /* max-src-conn */
1081#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */
1082#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */
1083#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */
1084#define LCNT_MAX 7 /* total+1 */
1085
1086#define LCNT_NAMES { \
1087 "max states per rule", \
1088 "max-src-states", \
1089 "max-src-nodes", \
1090 "max-src-conn", \
1091 "max-src-conn-rate", \
1092 "overload table insertion", \
1093 "overload flush states", \
1094 NULL \
1095}
1096
1097/* UDP state enumeration */
1098#define PFUDPS_NO_TRAFFIC 0
1099#define PFUDPS_SINGLE 1
1100#define PFUDPS_MULTIPLE 2
1101
1102#define PFUDPS_NSTATES 3 /* number of state levels */
1103
1104#define PFUDPS_NAMES { \
1105 "NO_TRAFFIC", \
1106 "SINGLE", \
1107 "MULTIPLE", \
1108 NULL \
1109}
1110
1111/* Other protocol state enumeration */
1112#define PFOTHERS_NO_TRAFFIC 0
1113#define PFOTHERS_SINGLE 1
1114#define PFOTHERS_MULTIPLE 2
1115
1116#define PFOTHERS_NSTATES 3 /* number of state levels */
1117
1118#define PFOTHERS_NAMES { \
1119 "NO_TRAFFIC", \
1120 "SINGLE", \
1121 "MULTIPLE", \
1122 NULL \
1123}
1124
1125#define FCNT_STATE_SEARCH 0
1126#define FCNT_STATE_INSERT 1
1127#define FCNT_STATE_REMOVALS 2
1128#define FCNT_MAX 3
1129
1130#define SCNT_SRC_NODE_SEARCH 0
1131#define SCNT_SRC_NODE_INSERT 1
1132#define SCNT_SRC_NODE_REMOVALS 2
1133#define SCNT_MAX 3
1134
1135#define ACTION_SET(a, x) \
1136 do { \
1137 if ((a) != NULL) \
1138 *(a) = (x); \
1139 } while (0)
1140
1141#define REASON_SET(a, x) \
1142 do { \
1143 if ((a) != NULL) \
1144 *(a) = (x); \
1145 if (x < PFRES_MAX) \
1146 pf_status.counters[x]++; \
1147 } while (0)
1148
1149struct pf_status {
1150 u_int64_t counters[PFRES_MAX];
1151 u_int64_t lcounters[LCNT_MAX]; /* limit counters */
1152 u_int64_t fcounters[FCNT_MAX];
1153 u_int64_t scounters[SCNT_MAX];
1154 u_int64_t pcounters[2][2][3];
1155 u_int64_t bcounters[2][2];
1156 u_int64_t stateid;
1157 u_int32_t running;
1158 u_int32_t states;
1159 u_int32_t src_nodes;
1160 u_int32_t since;
1161 u_int32_t debug;
1162 u_int32_t hostid;
1163 char ifname[IFNAMSIZ];
| 1056 u_int16_t *ip_sum;
1057 u_int32_t p_len; /* total length of payload */
1058 u_int16_t flags; /* Let SCRUB trigger behavior in
1059 * state code. Easier than tags */
1060#define PFDESC_TCP_NORM 0x0001 /* TCP shall be statefully scrubbed */
1061#define PFDESC_IP_REAS 0x0002 /* IP frags would've been reassembled */
1062 sa_family_t af;
1063 u_int8_t proto;
1064 u_int8_t tos;
1065};
1066
1067/* flags for RDR options */
1068#define PF_DPORT_RANGE 0x01 /* Dest port uses range */
1069#define PF_RPORT_RANGE 0x02 /* RDR'ed port uses range */
1070
1071/* Reasons code for passing/dropping a packet */
1072#define PFRES_MATCH 0 /* Explicit match of a rule */
1073#define PFRES_BADOFF 1 /* Bad offset for pull_hdr */
1074#define PFRES_FRAG 2 /* Dropping following fragment */
1075#define PFRES_SHORT 3 /* Dropping short packet */
1076#define PFRES_NORM 4 /* Dropping by normalizer */
1077#define PFRES_MEMORY 5 /* Dropped due to lacking mem */
1078#define PFRES_TS 6 /* Bad TCP Timestamp (RFC1323) */
1079#define PFRES_CONGEST 7 /* Congestion (of ipintrq) */
1080#define PFRES_IPOPTIONS 8 /* IP option */
1081#define PFRES_PROTCKSUM 9 /* Protocol checksum invalid */
1082#define PFRES_BADSTATE 10 /* State mismatch */
1083#define PFRES_STATEINS 11 /* State insertion failure */
1084#define PFRES_MAXSTATES 12 /* State limit */
1085#define PFRES_SRCLIMIT 13 /* Source node/conn limit */
1086#define PFRES_SYNPROXY 14 /* SYN proxy */
1087#define PFRES_MAX 15 /* total+1 */
1088
1089#define PFRES_NAMES { \
1090 "match", \
1091 "bad-offset", \
1092 "fragment", \
1093 "short", \
1094 "normalize", \
1095 "memory", \
1096 "bad-timestamp", \
1097 "congestion", \
1098 "ip-option", \
1099 "proto-cksum", \
1100 "state-mismatch", \
1101 "state-insert", \
1102 "state-limit", \
1103 "src-limit", \
1104 "synproxy", \
1105 NULL \
1106}
1107
1108/* Counters for other things we want to keep track of */
1109#define LCNT_STATES 0 /* states */
1110#define LCNT_SRCSTATES 1 /* max-src-states */
1111#define LCNT_SRCNODES 2 /* max-src-nodes */
1112#define LCNT_SRCCONN 3 /* max-src-conn */
1113#define LCNT_SRCCONNRATE 4 /* max-src-conn-rate */
1114#define LCNT_OVERLOAD_TABLE 5 /* entry added to overload table */
1115#define LCNT_OVERLOAD_FLUSH 6 /* state entries flushed */
1116#define LCNT_MAX 7 /* total+1 */
1117
1118#define LCNT_NAMES { \
1119 "max states per rule", \
1120 "max-src-states", \
1121 "max-src-nodes", \
1122 "max-src-conn", \
1123 "max-src-conn-rate", \
1124 "overload table insertion", \
1125 "overload flush states", \
1126 NULL \
1127}
1128
1129/* UDP state enumeration */
1130#define PFUDPS_NO_TRAFFIC 0
1131#define PFUDPS_SINGLE 1
1132#define PFUDPS_MULTIPLE 2
1133
1134#define PFUDPS_NSTATES 3 /* number of state levels */
1135
1136#define PFUDPS_NAMES { \
1137 "NO_TRAFFIC", \
1138 "SINGLE", \
1139 "MULTIPLE", \
1140 NULL \
1141}
1142
1143/* Other protocol state enumeration */
1144#define PFOTHERS_NO_TRAFFIC 0
1145#define PFOTHERS_SINGLE 1
1146#define PFOTHERS_MULTIPLE 2
1147
1148#define PFOTHERS_NSTATES 3 /* number of state levels */
1149
1150#define PFOTHERS_NAMES { \
1151 "NO_TRAFFIC", \
1152 "SINGLE", \
1153 "MULTIPLE", \
1154 NULL \
1155}
1156
1157#define FCNT_STATE_SEARCH 0
1158#define FCNT_STATE_INSERT 1
1159#define FCNT_STATE_REMOVALS 2
1160#define FCNT_MAX 3
1161
1162#define SCNT_SRC_NODE_SEARCH 0
1163#define SCNT_SRC_NODE_INSERT 1
1164#define SCNT_SRC_NODE_REMOVALS 2
1165#define SCNT_MAX 3
1166
1167#define ACTION_SET(a, x) \
1168 do { \
1169 if ((a) != NULL) \
1170 *(a) = (x); \
1171 } while (0)
1172
1173#define REASON_SET(a, x) \
1174 do { \
1175 if ((a) != NULL) \
1176 *(a) = (x); \
1177 if (x < PFRES_MAX) \
1178 pf_status.counters[x]++; \
1179 } while (0)
1180
1181struct pf_status {
1182 u_int64_t counters[PFRES_MAX];
1183 u_int64_t lcounters[LCNT_MAX]; /* limit counters */
1184 u_int64_t fcounters[FCNT_MAX];
1185 u_int64_t scounters[SCNT_MAX];
1186 u_int64_t pcounters[2][2][3];
1187 u_int64_t bcounters[2][2];
1188 u_int64_t stateid;
1189 u_int32_t running;
1190 u_int32_t states;
1191 u_int32_t src_nodes;
1192 u_int32_t since;
1193 u_int32_t debug;
1194 u_int32_t hostid;
1195 char ifname[IFNAMSIZ];
|
| 1196 u_int8_t pf_chksum[PF_MD5_DIGEST_LENGTH];
|
1164};
1165
1166struct cbq_opts {
1167 u_int minburst;
1168 u_int maxburst;
1169 u_int pktsize;
1170 u_int maxpktsize;
1171 u_int ns_per_byte;
1172 u_int maxidle;
1173 int minidle;
1174 u_int offtime;
1175 int flags;
1176};
1177
1178struct priq_opts {
1179 int flags;
1180};
1181
1182struct hfsc_opts {
1183 /* real-time service curve */
1184 u_int rtsc_m1; /* slope of the 1st segment in bps */
1185 u_int rtsc_d; /* the x-projection of m1 in msec */
1186 u_int rtsc_m2; /* slope of the 2nd segment in bps */
1187 /* link-sharing service curve */
1188 u_int lssc_m1;
1189 u_int lssc_d;
1190 u_int lssc_m2;
1191 /* upper-limit service curve */
1192 u_int ulsc_m1;
1193 u_int ulsc_d;
1194 u_int ulsc_m2;
1195 int flags;
1196};
1197
1198struct pf_altq {
1199 char ifname[IFNAMSIZ];
1200
1201 void *altq_disc; /* discipline-specific state */
1202 TAILQ_ENTRY(pf_altq) entries;
1203
1204 /* scheduler spec */
1205 u_int8_t scheduler; /* scheduler type */
1206 u_int16_t tbrsize; /* tokenbucket regulator size */
1207 u_int32_t ifbandwidth; /* interface bandwidth */
1208
1209 /* queue spec */
1210 char qname[PF_QNAME_SIZE]; /* queue name */
1211 char parent[PF_QNAME_SIZE]; /* parent name */
1212 u_int32_t parent_qid; /* parent queue id */
1213 u_int32_t bandwidth; /* queue bandwidth */
1214 u_int8_t priority; /* priority */
1215 u_int16_t qlimit; /* queue size limit */
1216 u_int16_t flags; /* misc flags */
1217 union {
1218 struct cbq_opts cbq_opts;
1219 struct priq_opts priq_opts;
1220 struct hfsc_opts hfsc_opts;
1221 } pq_u;
1222
1223 u_int32_t qid; /* return value */
1224};
1225
| 1197};
1198
1199struct cbq_opts {
1200 u_int minburst;
1201 u_int maxburst;
1202 u_int pktsize;
1203 u_int maxpktsize;
1204 u_int ns_per_byte;
1205 u_int maxidle;
1206 int minidle;
1207 u_int offtime;
1208 int flags;
1209};
1210
1211struct priq_opts {
1212 int flags;
1213};
1214
1215struct hfsc_opts {
1216 /* real-time service curve */
1217 u_int rtsc_m1; /* slope of the 1st segment in bps */
1218 u_int rtsc_d; /* the x-projection of m1 in msec */
1219 u_int rtsc_m2; /* slope of the 2nd segment in bps */
1220 /* link-sharing service curve */
1221 u_int lssc_m1;
1222 u_int lssc_d;
1223 u_int lssc_m2;
1224 /* upper-limit service curve */
1225 u_int ulsc_m1;
1226 u_int ulsc_d;
1227 u_int ulsc_m2;
1228 int flags;
1229};
1230
1231struct pf_altq {
1232 char ifname[IFNAMSIZ];
1233
1234 void *altq_disc; /* discipline-specific state */
1235 TAILQ_ENTRY(pf_altq) entries;
1236
1237 /* scheduler spec */
1238 u_int8_t scheduler; /* scheduler type */
1239 u_int16_t tbrsize; /* tokenbucket regulator size */
1240 u_int32_t ifbandwidth; /* interface bandwidth */
1241
1242 /* queue spec */
1243 char qname[PF_QNAME_SIZE]; /* queue name */
1244 char parent[PF_QNAME_SIZE]; /* parent name */
1245 u_int32_t parent_qid; /* parent queue id */
1246 u_int32_t bandwidth; /* queue bandwidth */
1247 u_int8_t priority; /* priority */
1248 u_int16_t qlimit; /* queue size limit */
1249 u_int16_t flags; /* misc flags */
1250 union {
1251 struct cbq_opts cbq_opts;
1252 struct priq_opts priq_opts;
1253 struct hfsc_opts hfsc_opts;
1254 } pq_u;
1255
1256 u_int32_t qid; /* return value */
1257};
1258
|
| 1259#ifndef __FreeBSD__
1260
1261#define PF_TAG_GENERATED 0x01
1262#define PF_TAG_FRAGCACHE 0x02
1263#define PF_TAG_TRANSLATE_LOCALHOST 0x04
1264
1265struct pf_mtag {
1266 void *hdr; /* saved hdr pos in mbuf, for ECN */
1267 u_int rtableid; /* alternate routing table id */
1268 u_int32_t qid; /* queue id */
1269 u_int16_t tag; /* tag id */
1270 u_int8_t flags;
1271 u_int8_t routed;
1272 sa_family_t af; /* for ECN */
1273};
1274#endif
1275
|
1226struct pf_tag {
1227 u_int16_t tag; /* tag id */
1228};
1229
1230struct pf_tagname {
1231 TAILQ_ENTRY(pf_tagname) entries;
1232 char name[PF_TAG_NAME_SIZE];
1233 u_int16_t tag;
1234 int ref;
1235};
1236
1237#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1238#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */
1239#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */
1240#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */
1241
| 1276struct pf_tag {
1277 u_int16_t tag; /* tag id */
1278};
1279
1280struct pf_tagname {
1281 TAILQ_ENTRY(pf_tagname) entries;
1282 char name[PF_TAG_NAME_SIZE];
1283 u_int16_t tag;
1284 int ref;
1285};
1286
1287#define PFFRAG_FRENT_HIWAT 5000 /* Number of fragment entries */
1288#define PFFRAG_FRAG_HIWAT 1000 /* Number of fragmented packets */
1289#define PFFRAG_FRCENT_HIWAT 50000 /* Number of fragment cache entries */
1290#define PFFRAG_FRCACHE_HIWAT 10000 /* Number of fragment descriptors */
1291
|
| 1292#define PFR_KTABLE_HIWAT 1000 /* Number of tables */
1293#define PFR_KENTRY_HIWAT 200000 /* Number of table entries */
1294#define PFR_KENTRY_HIWAT_SMALL 100000 /* Number of table entries (tiny hosts) */
1295
|
1242/*
1243 * ioctl parameter structures
1244 */
1245
1246struct pfioc_pooladdr {
1247 u_int32_t action;
1248 u_int32_t ticket;
1249 u_int32_t nr;
1250 u_int32_t r_num;
1251 u_int8_t r_action;
1252 u_int8_t r_last;
1253 u_int8_t af;
1254 char anchor[MAXPATHLEN];
1255 struct pf_pooladdr addr;
1256};
1257
1258struct pfioc_rule {
1259 u_int32_t action;
1260 u_int32_t ticket;
1261 u_int32_t pool_ticket;
1262 u_int32_t nr;
1263 char anchor[MAXPATHLEN];
1264 char anchor_call[MAXPATHLEN];
1265 struct pf_rule rule;
1266};
1267
1268struct pfioc_natlook {
1269 struct pf_addr saddr;
1270 struct pf_addr daddr;
1271 struct pf_addr rsaddr;
1272 struct pf_addr rdaddr;
1273 u_int16_t sport;
1274 u_int16_t dport;
1275 u_int16_t rsport;
1276 u_int16_t rdport;
1277 sa_family_t af;
1278 u_int8_t proto;
1279 u_int8_t direction;
1280};
1281
1282struct pfioc_state {
1283 u_int32_t nr;
1284 struct pf_state state;
1285};
1286
| 1296/*
1297 * ioctl parameter structures
1298 */
1299
1300struct pfioc_pooladdr {
1301 u_int32_t action;
1302 u_int32_t ticket;
1303 u_int32_t nr;
1304 u_int32_t r_num;
1305 u_int8_t r_action;
1306 u_int8_t r_last;
1307 u_int8_t af;
1308 char anchor[MAXPATHLEN];
1309 struct pf_pooladdr addr;
1310};
1311
1312struct pfioc_rule {
1313 u_int32_t action;
1314 u_int32_t ticket;
1315 u_int32_t pool_ticket;
1316 u_int32_t nr;
1317 char anchor[MAXPATHLEN];
1318 char anchor_call[MAXPATHLEN];
1319 struct pf_rule rule;
1320};
1321
1322struct pfioc_natlook {
1323 struct pf_addr saddr;
1324 struct pf_addr daddr;
1325 struct pf_addr rsaddr;
1326 struct pf_addr rdaddr;
1327 u_int16_t sport;
1328 u_int16_t dport;
1329 u_int16_t rsport;
1330 u_int16_t rdport;
1331 sa_family_t af;
1332 u_int8_t proto;
1333 u_int8_t direction;
1334};
1335
1336struct pfioc_state {
1337 u_int32_t nr;
1338 struct pf_state state;
1339};
1340
|
| 1341struct pfioc_src_node_kill {
1342 /* XXX returns the number of src nodes killed in psnk_af */
1343 sa_family_t psnk_af;
1344 struct pf_rule_addr psnk_src;
1345 struct pf_rule_addr psnk_dst;
1346};
1347
|
1287struct pfioc_state_kill {
1288 /* XXX returns the number of states killed in psk_af */
1289 sa_family_t psk_af;
1290 int psk_proto;
1291 struct pf_rule_addr psk_src;
1292 struct pf_rule_addr psk_dst;
1293 char psk_ifname[IFNAMSIZ];
1294};
1295
1296struct pfioc_states {
1297 int ps_len;
1298 union {
1299 caddr_t psu_buf;
1300 struct pf_state *psu_states;
1301 } ps_u;
1302#define ps_buf ps_u.psu_buf
1303#define ps_states ps_u.psu_states
1304};
1305
1306struct pfioc_src_nodes {
1307 int psn_len;
1308 union {
1309 caddr_t psu_buf;
1310 struct pf_src_node *psu_src_nodes;
1311 } psn_u;
1312#define psn_buf psn_u.psu_buf
1313#define psn_src_nodes psn_u.psu_src_nodes
1314};
1315
1316struct pfioc_if {
1317 char ifname[IFNAMSIZ];
1318};
1319
1320struct pfioc_tm {
1321 int timeout;
1322 int seconds;
1323};
1324
1325struct pfioc_limit {
1326 int index;
1327 unsigned limit;
1328};
1329
1330struct pfioc_altq {
1331 u_int32_t action;
1332 u_int32_t ticket;
1333 u_int32_t nr;
1334 struct pf_altq altq;
1335};
1336
1337struct pfioc_qstats {
1338 u_int32_t ticket;
1339 u_int32_t nr;
1340 void *buf;
1341 int nbytes;
1342 u_int8_t scheduler;
1343};
1344
1345struct pfioc_ruleset {
1346 u_int32_t nr;
1347 char path[MAXPATHLEN];
1348 char name[PF_ANCHOR_NAME_SIZE];
1349};
1350
1351#define PF_RULESET_ALTQ (PF_RULESET_MAX)
1352#define PF_RULESET_TABLE (PF_RULESET_MAX+1)
1353struct pfioc_trans {
1354 int size; /* number of elements */
1355 int esize; /* size of each element in bytes */
1356 struct pfioc_trans_e {
1357 int rs_num;
1358 char anchor[MAXPATHLEN];
1359 u_int32_t ticket;
1360 } *array;
1361};
1362
1363#define PFR_FLAG_ATOMIC 0x00000001
1364#define PFR_FLAG_DUMMY 0x00000002
1365#define PFR_FLAG_FEEDBACK 0x00000004
1366#define PFR_FLAG_CLSTATS 0x00000008
1367#define PFR_FLAG_ADDRSTOO 0x00000010
1368#define PFR_FLAG_REPLACE 0x00000020
1369#define PFR_FLAG_ALLRSETS 0x00000040
1370#define PFR_FLAG_ALLMASK 0x0000007F
1371#ifdef _KERNEL
1372#define PFR_FLAG_USERIOCTL 0x10000000
1373#endif
1374
1375struct pfioc_table {
1376 struct pfr_table pfrio_table;
1377 void *pfrio_buffer;
1378 int pfrio_esize;
1379 int pfrio_size;
1380 int pfrio_size2;
1381 int pfrio_nadd;
1382 int pfrio_ndel;
1383 int pfrio_nchange;
1384 int pfrio_flags;
1385 u_int32_t pfrio_ticket;
1386};
1387#define pfrio_exists pfrio_nadd
1388#define pfrio_nzero pfrio_nadd
1389#define pfrio_nmatch pfrio_nadd
1390#define pfrio_naddr pfrio_size2
1391#define pfrio_setflag pfrio_size2
1392#define pfrio_clrflag pfrio_nadd
1393
| 1348struct pfioc_state_kill {
1349 /* XXX returns the number of states killed in psk_af */
1350 sa_family_t psk_af;
1351 int psk_proto;
1352 struct pf_rule_addr psk_src;
1353 struct pf_rule_addr psk_dst;
1354 char psk_ifname[IFNAMSIZ];
1355};
1356
1357struct pfioc_states {
1358 int ps_len;
1359 union {
1360 caddr_t psu_buf;
1361 struct pf_state *psu_states;
1362 } ps_u;
1363#define ps_buf ps_u.psu_buf
1364#define ps_states ps_u.psu_states
1365};
1366
1367struct pfioc_src_nodes {
1368 int psn_len;
1369 union {
1370 caddr_t psu_buf;
1371 struct pf_src_node *psu_src_nodes;
1372 } psn_u;
1373#define psn_buf psn_u.psu_buf
1374#define psn_src_nodes psn_u.psu_src_nodes
1375};
1376
1377struct pfioc_if {
1378 char ifname[IFNAMSIZ];
1379};
1380
1381struct pfioc_tm {
1382 int timeout;
1383 int seconds;
1384};
1385
1386struct pfioc_limit {
1387 int index;
1388 unsigned limit;
1389};
1390
1391struct pfioc_altq {
1392 u_int32_t action;
1393 u_int32_t ticket;
1394 u_int32_t nr;
1395 struct pf_altq altq;
1396};
1397
1398struct pfioc_qstats {
1399 u_int32_t ticket;
1400 u_int32_t nr;
1401 void *buf;
1402 int nbytes;
1403 u_int8_t scheduler;
1404};
1405
1406struct pfioc_ruleset {
1407 u_int32_t nr;
1408 char path[MAXPATHLEN];
1409 char name[PF_ANCHOR_NAME_SIZE];
1410};
1411
1412#define PF_RULESET_ALTQ (PF_RULESET_MAX)
1413#define PF_RULESET_TABLE (PF_RULESET_MAX+1)
1414struct pfioc_trans {
1415 int size; /* number of elements */
1416 int esize; /* size of each element in bytes */
1417 struct pfioc_trans_e {
1418 int rs_num;
1419 char anchor[MAXPATHLEN];
1420 u_int32_t ticket;
1421 } *array;
1422};
1423
1424#define PFR_FLAG_ATOMIC 0x00000001
1425#define PFR_FLAG_DUMMY 0x00000002
1426#define PFR_FLAG_FEEDBACK 0x00000004
1427#define PFR_FLAG_CLSTATS 0x00000008
1428#define PFR_FLAG_ADDRSTOO 0x00000010
1429#define PFR_FLAG_REPLACE 0x00000020
1430#define PFR_FLAG_ALLRSETS 0x00000040
1431#define PFR_FLAG_ALLMASK 0x0000007F
1432#ifdef _KERNEL
1433#define PFR_FLAG_USERIOCTL 0x10000000
1434#endif
1435
1436struct pfioc_table {
1437 struct pfr_table pfrio_table;
1438 void *pfrio_buffer;
1439 int pfrio_esize;
1440 int pfrio_size;
1441 int pfrio_size2;
1442 int pfrio_nadd;
1443 int pfrio_ndel;
1444 int pfrio_nchange;
1445 int pfrio_flags;
1446 u_int32_t pfrio_ticket;
1447};
1448#define pfrio_exists pfrio_nadd
1449#define pfrio_nzero pfrio_nadd
1450#define pfrio_nmatch pfrio_nadd
1451#define pfrio_naddr pfrio_size2
1452#define pfrio_setflag pfrio_size2
1453#define pfrio_clrflag pfrio_nadd
1454
|
1394
1395#define PFI_FLAG_GROUP 0x0001 /* gets groups of interfaces */
1396#define PFI_FLAG_INSTANCE 0x0002 /* gets single interfaces */
1397#define PFI_FLAG_ALLMASK 0x0003
1398
| |
1399struct pfioc_iface {
1400 char pfiio_name[IFNAMSIZ];
1401 void *pfiio_buffer;
1402 int pfiio_esize;
1403 int pfiio_size;
1404 int pfiio_nzero;
1405 int pfiio_flags;
1406};
1407
1408
1409/*
1410 * ioctl operations
1411 */
1412
1413#define DIOCSTART _IO ('D', 1)
1414#define DIOCSTOP _IO ('D', 2)
1415#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
1416#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
1417#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
1418/* XXX cut 8 - 17 */
1419#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
1420#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
1421#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
1422#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
1423#define DIOCCLRSTATUS _IO ('D', 22)
1424#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
1425#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t)
1426#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states)
1427#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule)
1428/* XXX cut 26 - 28 */
1429#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm)
1430#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
1431#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
1432#define DIOCCLRRULECTRS _IO ('D', 38)
1433#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
1434#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
1435#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
1436#define DIOCSTARTALTQ _IO ('D', 42)
1437#define DIOCSTOPALTQ _IO ('D', 43)
1438#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq)
1439#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq)
1440#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq)
1441#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq)
1442#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats)
1443#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
1444#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
1445#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
1446#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
1447#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
1448/* XXX cut 55 - 57 */
1449#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
1450#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
1451#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
1452#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
1453#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
1454#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
1455#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
1456#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
1457#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
1458#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
1459#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
1460#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
1461#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
1462#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
1463#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
1464#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
1465#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
1466#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
1467#define DIOCOSFPFLUSH _IO('D', 78)
1468#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
1469#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1470#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1471#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1472#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1473#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1474#define DIOCCLRSRCNODES _IO('D', 85)
1475#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1476#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
| 1455struct pfioc_iface {
1456 char pfiio_name[IFNAMSIZ];
1457 void *pfiio_buffer;
1458 int pfiio_esize;
1459 int pfiio_size;
1460 int pfiio_nzero;
1461 int pfiio_flags;
1462};
1463
1464
1465/*
1466 * ioctl operations
1467 */
1468
1469#define DIOCSTART _IO ('D', 1)
1470#define DIOCSTOP _IO ('D', 2)
1471#define DIOCADDRULE _IOWR('D', 4, struct pfioc_rule)
1472#define DIOCGETRULES _IOWR('D', 6, struct pfioc_rule)
1473#define DIOCGETRULE _IOWR('D', 7, struct pfioc_rule)
1474/* XXX cut 8 - 17 */
1475#define DIOCCLRSTATES _IOWR('D', 18, struct pfioc_state_kill)
1476#define DIOCGETSTATE _IOWR('D', 19, struct pfioc_state)
1477#define DIOCSETSTATUSIF _IOWR('D', 20, struct pfioc_if)
1478#define DIOCGETSTATUS _IOWR('D', 21, struct pf_status)
1479#define DIOCCLRSTATUS _IO ('D', 22)
1480#define DIOCNATLOOK _IOWR('D', 23, struct pfioc_natlook)
1481#define DIOCSETDEBUG _IOWR('D', 24, u_int32_t)
1482#define DIOCGETSTATES _IOWR('D', 25, struct pfioc_states)
1483#define DIOCCHANGERULE _IOWR('D', 26, struct pfioc_rule)
1484/* XXX cut 26 - 28 */
1485#define DIOCSETTIMEOUT _IOWR('D', 29, struct pfioc_tm)
1486#define DIOCGETTIMEOUT _IOWR('D', 30, struct pfioc_tm)
1487#define DIOCADDSTATE _IOWR('D', 37, struct pfioc_state)
1488#define DIOCCLRRULECTRS _IO ('D', 38)
1489#define DIOCGETLIMIT _IOWR('D', 39, struct pfioc_limit)
1490#define DIOCSETLIMIT _IOWR('D', 40, struct pfioc_limit)
1491#define DIOCKILLSTATES _IOWR('D', 41, struct pfioc_state_kill)
1492#define DIOCSTARTALTQ _IO ('D', 42)
1493#define DIOCSTOPALTQ _IO ('D', 43)
1494#define DIOCADDALTQ _IOWR('D', 45, struct pfioc_altq)
1495#define DIOCGETALTQS _IOWR('D', 47, struct pfioc_altq)
1496#define DIOCGETALTQ _IOWR('D', 48, struct pfioc_altq)
1497#define DIOCCHANGEALTQ _IOWR('D', 49, struct pfioc_altq)
1498#define DIOCGETQSTATS _IOWR('D', 50, struct pfioc_qstats)
1499#define DIOCBEGINADDRS _IOWR('D', 51, struct pfioc_pooladdr)
1500#define DIOCADDADDR _IOWR('D', 52, struct pfioc_pooladdr)
1501#define DIOCGETADDRS _IOWR('D', 53, struct pfioc_pooladdr)
1502#define DIOCGETADDR _IOWR('D', 54, struct pfioc_pooladdr)
1503#define DIOCCHANGEADDR _IOWR('D', 55, struct pfioc_pooladdr)
1504/* XXX cut 55 - 57 */
1505#define DIOCGETRULESETS _IOWR('D', 58, struct pfioc_ruleset)
1506#define DIOCGETRULESET _IOWR('D', 59, struct pfioc_ruleset)
1507#define DIOCRCLRTABLES _IOWR('D', 60, struct pfioc_table)
1508#define DIOCRADDTABLES _IOWR('D', 61, struct pfioc_table)
1509#define DIOCRDELTABLES _IOWR('D', 62, struct pfioc_table)
1510#define DIOCRGETTABLES _IOWR('D', 63, struct pfioc_table)
1511#define DIOCRGETTSTATS _IOWR('D', 64, struct pfioc_table)
1512#define DIOCRCLRTSTATS _IOWR('D', 65, struct pfioc_table)
1513#define DIOCRCLRADDRS _IOWR('D', 66, struct pfioc_table)
1514#define DIOCRADDADDRS _IOWR('D', 67, struct pfioc_table)
1515#define DIOCRDELADDRS _IOWR('D', 68, struct pfioc_table)
1516#define DIOCRSETADDRS _IOWR('D', 69, struct pfioc_table)
1517#define DIOCRGETADDRS _IOWR('D', 70, struct pfioc_table)
1518#define DIOCRGETASTATS _IOWR('D', 71, struct pfioc_table)
1519#define DIOCRCLRASTATS _IOWR('D', 72, struct pfioc_table)
1520#define DIOCRTSTADDRS _IOWR('D', 73, struct pfioc_table)
1521#define DIOCRSETTFLAGS _IOWR('D', 74, struct pfioc_table)
1522#define DIOCRINADEFINE _IOWR('D', 77, struct pfioc_table)
1523#define DIOCOSFPFLUSH _IO('D', 78)
1524#define DIOCOSFPADD _IOWR('D', 79, struct pf_osfp_ioctl)
1525#define DIOCOSFPGET _IOWR('D', 80, struct pf_osfp_ioctl)
1526#define DIOCXBEGIN _IOWR('D', 81, struct pfioc_trans)
1527#define DIOCXCOMMIT _IOWR('D', 82, struct pfioc_trans)
1528#define DIOCXROLLBACK _IOWR('D', 83, struct pfioc_trans)
1529#define DIOCGETSRCNODES _IOWR('D', 84, struct pfioc_src_nodes)
1530#define DIOCCLRSRCNODES _IO('D', 85)
1531#define DIOCSETHOSTID _IOWR('D', 86, u_int32_t)
1532#define DIOCIGETIFACES _IOWR('D', 87, struct pfioc_iface)
|
1477#define DIOCICLRISTATS _IOWR('D', 88, struct pfioc_iface)
| |
1478#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
1479#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
| 1533#define DIOCSETIFFLAG _IOWR('D', 89, struct pfioc_iface)
1534#define DIOCCLRIFFLAG _IOWR('D', 90, struct pfioc_iface)
|
| 1535#define DIOCKILLSRCNODES _IOWR('D', 91, struct pfioc_src_node_kill)
|
1480#ifdef __FreeBSD__
1481struct pf_ifspeed {
1482 char ifname[IFNAMSIZ];
1483 u_int32_t baudrate;
1484};
| 1536#ifdef __FreeBSD__
1537struct pf_ifspeed {
1538 char ifname[IFNAMSIZ];
1539 u_int32_t baudrate;
1540};
|
1485#define DIOCGIFSPEED _IOWR('D', 91, struct pf_ifspeed)
| 1541#define DIOCGIFSPEED _IOWR('D', 92, struct pf_ifspeed)
|
1486#endif
1487
1488#ifdef _KERNEL
1489RB_HEAD(pf_src_tree, pf_src_node);
1490RB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare);
1491extern struct pf_src_tree tree_src_tracking;
1492
1493RB_HEAD(pf_state_tree_id, pf_state);
1494RB_PROTOTYPE(pf_state_tree_id, pf_state,
1495 entry_id, pf_state_compare_id);
1496extern struct pf_state_tree_id tree_id;
| 1542#endif
1543
1544#ifdef _KERNEL
1545RB_HEAD(pf_src_tree, pf_src_node);
1546RB_PROTOTYPE(pf_src_tree, pf_src_node, entry, pf_src_compare);
1547extern struct pf_src_tree tree_src_tracking;
1548
1549RB_HEAD(pf_state_tree_id, pf_state);
1550RB_PROTOTYPE(pf_state_tree_id, pf_state,
1551 entry_id, pf_state_compare_id);
1552extern struct pf_state_tree_id tree_id;
|
1497extern struct pf_state_queue state_updates;
| 1553extern struct pf_state_queue state_list;
|
1498
| 1554
|
1499extern struct pf_anchor_global pf_anchors;
1500extern struct pf_ruleset pf_main_ruleset;
| |
1501TAILQ_HEAD(pf_poolqueue, pf_pool);
1502extern struct pf_poolqueue pf_pools[2];
1503TAILQ_HEAD(pf_altqqueue, pf_altq);
1504extern struct pf_altqqueue pf_altqs[2];
1505extern struct pf_palist pf_pabuf;
| 1555TAILQ_HEAD(pf_poolqueue, pf_pool);
1556extern struct pf_poolqueue pf_pools[2];
1557TAILQ_HEAD(pf_altqqueue, pf_altq);
1558extern struct pf_altqqueue pf_altqs[2];
1559extern struct pf_palist pf_pabuf;
|
1506extern struct pfi_kif **pfi_index2kif;
| |
1507
1508extern u_int32_t ticket_altqs_active;
1509extern u_int32_t ticket_altqs_inactive;
1510extern int altqs_inactive_open;
1511extern u_int32_t ticket_pabuf;
1512extern struct pf_altqqueue *pf_altqs_active;
1513extern struct pf_altqqueue *pf_altqs_inactive;
1514extern struct pf_poolqueue *pf_pools_active;
1515extern struct pf_poolqueue *pf_pools_inactive;
1516extern int pf_tbladdr_setup(struct pf_ruleset *,
1517 struct pf_addr_wrap *);
1518extern void pf_tbladdr_remove(struct pf_addr_wrap *);
1519extern void pf_tbladdr_copyout(struct pf_addr_wrap *);
1520extern void pf_calc_skip_steps(struct pf_rulequeue *);
1521#ifdef __FreeBSD__
1522extern uma_zone_t pf_src_tree_pl, pf_rule_pl;
1523extern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1524extern uma_zone_t pfr_ktable_pl, pfr_kentry_pl, pfr_kentry_pl2;
1525extern uma_zone_t pf_cache_pl, pf_cent_pl;
1526extern uma_zone_t pf_state_scrub_pl;
1527extern uma_zone_t pfi_addr_pl;
1528#else
1529extern struct pool pf_src_tree_pl, pf_rule_pl;
1530extern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1531extern struct pool pf_state_scrub_pl;
1532#endif
| 1560
1561extern u_int32_t ticket_altqs_active;
1562extern u_int32_t ticket_altqs_inactive;
1563extern int altqs_inactive_open;
1564extern u_int32_t ticket_pabuf;
1565extern struct pf_altqqueue *pf_altqs_active;
1566extern struct pf_altqqueue *pf_altqs_inactive;
1567extern struct pf_poolqueue *pf_pools_active;
1568extern struct pf_poolqueue *pf_pools_inactive;
1569extern int pf_tbladdr_setup(struct pf_ruleset *,
1570 struct pf_addr_wrap *);
1571extern void pf_tbladdr_remove(struct pf_addr_wrap *);
1572extern void pf_tbladdr_copyout(struct pf_addr_wrap *);
1573extern void pf_calc_skip_steps(struct pf_rulequeue *);
1574#ifdef __FreeBSD__
1575extern uma_zone_t pf_src_tree_pl, pf_rule_pl;
1576extern uma_zone_t pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1577extern uma_zone_t pfr_ktable_pl, pfr_kentry_pl, pfr_kentry_pl2;
1578extern uma_zone_t pf_cache_pl, pf_cent_pl;
1579extern uma_zone_t pf_state_scrub_pl;
1580extern uma_zone_t pfi_addr_pl;
1581#else
1582extern struct pool pf_src_tree_pl, pf_rule_pl;
1583extern struct pool pf_state_pl, pf_altq_pl, pf_pooladdr_pl;
1584extern struct pool pf_state_scrub_pl;
1585#endif
|
1533extern void pf_purge_timeout(void *);
1534extern void pf_purge_expired_src_nodes(void);
1535extern void pf_purge_expired_states(void);
1536extern void pf_purge_expired_state(struct pf_state *);
| 1586extern void pf_purge_thread(void *);
1587extern void pf_purge_expired_src_nodes(int);
1588extern void pf_purge_expired_states(u_int32_t);
1589extern void pf_unlink_state(struct pf_state *);
1590extern void pf_free_state(struct pf_state *);
|
1537extern int pf_insert_state(struct pfi_kif *,
1538 struct pf_state *);
1539extern int pf_insert_src_node(struct pf_src_node **,
1540 struct pf_rule *, struct pf_addr *,
1541 sa_family_t);
1542void pf_src_tree_remove_state(struct pf_state *);
| 1591extern int pf_insert_state(struct pfi_kif *,
1592 struct pf_state *);
1593extern int pf_insert_src_node(struct pf_src_node **,
1594 struct pf_rule *, struct pf_addr *,
1595 sa_family_t);
1596void pf_src_tree_remove_state(struct pf_state *);
|
1543extern struct pf_state *pf_find_state_byid(struct pf_state *);
1544extern struct pf_state *pf_find_state_all(struct pf_state *key,
| 1597extern struct pf_state *pf_find_state_byid(struct pf_state_cmp *);
1598extern struct pf_state *pf_find_state_all(struct pf_state_cmp *key,
|
1545 u_int8_t tree, int *more);
1546extern void pf_print_state(struct pf_state *);
1547extern void pf_print_flags(u_int8_t);
| 1599 u_int8_t tree, int *more);
1600extern void pf_print_state(struct pf_state *);
1601extern void pf_print_flags(u_int8_t);
|
1548extern struct pf_anchor *pf_find_anchor(const char *);
1549extern struct pf_ruleset *pf_find_ruleset(const char *);
1550extern struct pf_ruleset *pf_find_or_create_ruleset(const char *);
1551extern void pf_remove_if_empty_ruleset(
1552 struct pf_ruleset *);
| |
1553extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
1554 u_int8_t);
1555
1556extern struct ifnet *sync_ifp;
1557extern struct pf_rule pf_default_rule;
1558extern void pf_addrcpy(struct pf_addr *, struct pf_addr *,
1559 u_int8_t);
1560void pf_rm_rule(struct pf_rulequeue *,
1561 struct pf_rule *);
1562
1563#ifdef INET
1564#ifdef __FreeBSD__
1565int pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *,
1566 struct inpcb *);
1567#else
1568int pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *);
1569#endif
1570#endif /* INET */
1571
1572#ifdef INET6
1573#ifdef __FreeBSD__
1574int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *,
1575 struct inpcb *);
1576#else
1577int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *);
1578#endif
1579void pf_poolmask(struct pf_addr *, struct pf_addr*,
1580 struct pf_addr *, struct pf_addr *, u_int8_t);
1581void pf_addr_inc(struct pf_addr *, sa_family_t);
1582#endif /* INET6 */
1583
| 1602extern u_int16_t pf_cksum_fixup(u_int16_t, u_int16_t, u_int16_t,
1603 u_int8_t);
1604
1605extern struct ifnet *sync_ifp;
1606extern struct pf_rule pf_default_rule;
1607extern void pf_addrcpy(struct pf_addr *, struct pf_addr *,
1608 u_int8_t);
1609void pf_rm_rule(struct pf_rulequeue *,
1610 struct pf_rule *);
1611
1612#ifdef INET
1613#ifdef __FreeBSD__
1614int pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *,
1615 struct inpcb *);
1616#else
1617int pf_test(int, struct ifnet *, struct mbuf **, struct ether_header *);
1618#endif
1619#endif /* INET */
1620
1621#ifdef INET6
1622#ifdef __FreeBSD__
1623int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *,
1624 struct inpcb *);
1625#else
1626int pf_test6(int, struct ifnet *, struct mbuf **, struct ether_header *);
1627#endif
1628void pf_poolmask(struct pf_addr *, struct pf_addr*,
1629 struct pf_addr *, struct pf_addr *, u_int8_t);
1630void pf_addr_inc(struct pf_addr *, sa_family_t);
1631#endif /* INET6 */
1632
|
| 1633#ifdef __FreeBSD__
1634u_int32_t pf_new_isn(struct pf_state *);
1635#endif
|
1584void *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *,
1585 sa_family_t);
1586void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
1587int pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t,
| 1636void *pf_pull_hdr(struct mbuf *, int, void *, int, u_short *, u_short *,
1637 sa_family_t);
1638void pf_change_a(void *, u_int16_t *, u_int32_t, u_int8_t);
1639int pflog_packet(struct pfi_kif *, struct mbuf *, sa_family_t, u_int8_t,
|
1588 u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *);
| 1640 u_int8_t, struct pf_rule *, struct pf_rule *, struct pf_ruleset *,
1641 struct pf_pdesc *);
|
1589int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *,
1590 struct pf_addr *, sa_family_t);
1591int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t);
1592int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
1593int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t);
1594int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t);
1595
1596void pf_normalize_init(void);
1597int pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *,
1598 struct pf_pdesc *);
1599int pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *,
1600 struct pf_pdesc *);
1601int pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *,
1602 struct pf_pdesc *);
1603void pf_normalize_tcp_cleanup(struct pf_state *);
1604int pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *,
1605 struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *);
1606int pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *,
1607 u_short *, struct tcphdr *, struct pf_state *,
1608 struct pf_state_peer *, struct pf_state_peer *, int *);
1609u_int32_t
1610 pf_state_expires(const struct pf_state *);
1611void pf_purge_expired_fragments(void);
| 1642int pf_match_addr(u_int8_t, struct pf_addr *, struct pf_addr *,
1643 struct pf_addr *, sa_family_t);
1644int pf_match(u_int8_t, u_int32_t, u_int32_t, u_int32_t);
1645int pf_match_port(u_int8_t, u_int16_t, u_int16_t, u_int16_t);
1646int pf_match_uid(u_int8_t, uid_t, uid_t, uid_t);
1647int pf_match_gid(u_int8_t, gid_t, gid_t, gid_t);
1648
1649void pf_normalize_init(void);
1650int pf_normalize_ip(struct mbuf **, int, struct pfi_kif *, u_short *,
1651 struct pf_pdesc *);
1652int pf_normalize_ip6(struct mbuf **, int, struct pfi_kif *, u_short *,
1653 struct pf_pdesc *);
1654int pf_normalize_tcp(int, struct pfi_kif *, struct mbuf *, int, int, void *,
1655 struct pf_pdesc *);
1656void pf_normalize_tcp_cleanup(struct pf_state *);
1657int pf_normalize_tcp_init(struct mbuf *, int, struct pf_pdesc *,
1658 struct tcphdr *, struct pf_state_peer *, struct pf_state_peer *);
1659int pf_normalize_tcp_stateful(struct mbuf *, int, struct pf_pdesc *,
1660 u_short *, struct tcphdr *, struct pf_state *,
1661 struct pf_state_peer *, struct pf_state_peer *, int *);
1662u_int32_t
1663 pf_state_expires(const struct pf_state *);
1664void pf_purge_expired_fragments(void);
|
1612int pf_routable(struct pf_addr *addr, sa_family_t af);
| 1665int pf_routable(struct pf_addr *addr, sa_family_t af, struct pfi_kif *);
|
1613int pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *);
| 1666int pf_rtlabel_match(struct pf_addr *, sa_family_t, struct pf_addr_wrap *);
|
| 1667#ifdef __FreeBSD__
1668int pf_socket_lookup(int, struct pf_pdesc *, struct inpcb *);
1669#else
1670int pf_socket_lookup(int, struct pf_pdesc *);
1671#endif
|
1614void pfr_initialize(void);
1615int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
1616void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
1617 u_int64_t, int, int, int);
1618int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *,
1619 struct pf_addr **, struct pf_addr **, sa_family_t);
1620void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
1621struct pfr_ktable *
1622 pfr_attach_table(struct pf_ruleset *, char *);
1623void pfr_detach_table(struct pfr_ktable *);
1624int pfr_clr_tables(struct pfr_table *, int *, int);
1625int pfr_add_tables(struct pfr_table *, int, int *, int);
1626int pfr_del_tables(struct pfr_table *, int, int *, int);
1627int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
1628int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
1629int pfr_clr_tstats(struct pfr_table *, int, int *, int);
1630int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
1631int pfr_clr_addrs(struct pfr_table *, int *, int);
1632int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long);
1633int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1634 int);
1635int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1636 int);
1637int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
| 1672void pfr_initialize(void);
1673int pfr_match_addr(struct pfr_ktable *, struct pf_addr *, sa_family_t);
1674void pfr_update_stats(struct pfr_ktable *, struct pf_addr *, sa_family_t,
1675 u_int64_t, int, int, int);
1676int pfr_pool_get(struct pfr_ktable *, int *, struct pf_addr *,
1677 struct pf_addr **, struct pf_addr **, sa_family_t);
1678void pfr_dynaddr_update(struct pfr_ktable *, struct pfi_dynaddr *);
1679struct pfr_ktable *
1680 pfr_attach_table(struct pf_ruleset *, char *);
1681void pfr_detach_table(struct pfr_ktable *);
1682int pfr_clr_tables(struct pfr_table *, int *, int);
1683int pfr_add_tables(struct pfr_table *, int, int *, int);
1684int pfr_del_tables(struct pfr_table *, int, int *, int);
1685int pfr_get_tables(struct pfr_table *, struct pfr_table *, int *, int);
1686int pfr_get_tstats(struct pfr_table *, struct pfr_tstats *, int *, int);
1687int pfr_clr_tstats(struct pfr_table *, int, int *, int);
1688int pfr_set_tflags(struct pfr_table *, int, int, int, int *, int *, int);
1689int pfr_clr_addrs(struct pfr_table *, int *, int);
1690int pfr_insert_kentry(struct pfr_ktable *, struct pfr_addr *, long);
1691int pfr_add_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1692 int);
1693int pfr_del_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1694 int);
1695int pfr_set_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
|
1638 int *, int *, int *, int);
| 1696 int *, int *, int *, int, u_int32_t);
|
1639int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
1640int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
1641int pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *,
1642 int);
1643int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1644 int);
1645int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int);
1646int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int);
1647int pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int);
1648int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
1649 int *, u_int32_t, int);
1650
| 1697int pfr_get_addrs(struct pfr_table *, struct pfr_addr *, int *, int);
1698int pfr_get_astats(struct pfr_table *, struct pfr_astats *, int *, int);
1699int pfr_clr_astats(struct pfr_table *, struct pfr_addr *, int, int *,
1700 int);
1701int pfr_tst_addrs(struct pfr_table *, struct pfr_addr *, int, int *,
1702 int);
1703int pfr_ina_begin(struct pfr_table *, u_int32_t *, int *, int);
1704int pfr_ina_rollback(struct pfr_table *, u_int32_t, int *, int);
1705int pfr_ina_commit(struct pfr_table *, u_int32_t, int *, int *, int);
1706int pfr_ina_define(struct pfr_table *, struct pfr_addr *, int, int *,
1707 int *, u_int32_t, int);
1708
|
| 1709extern struct pfi_statehead pfi_statehead;
1710extern struct pfi_kif *pfi_all;
1711
|
1651void pfi_initialize(void);
1652#ifdef __FreeBSD__
1653void pfi_cleanup(void);
1654#endif
| 1712void pfi_initialize(void);
1713#ifdef __FreeBSD__
1714void pfi_cleanup(void);
1715#endif
|
1655void pfi_attach_clone(struct if_clone *);
| 1716struct pfi_kif *pfi_kif_get(const char *);
1717void pfi_kif_ref(struct pfi_kif *, enum pfi_kif_refs);
1718void pfi_kif_unref(struct pfi_kif *, enum pfi_kif_refs);
1719int pfi_kif_match(struct pfi_kif *, struct pfi_kif *);
|
1656void pfi_attach_ifnet(struct ifnet *);
1657void pfi_detach_ifnet(struct ifnet *);
| 1720void pfi_attach_ifnet(struct ifnet *);
1721void pfi_detach_ifnet(struct ifnet *);
|
1658struct pfi_kif *pfi_lookup_create(const char *);
1659struct pfi_kif *pfi_lookup_if(const char *);
1660int pfi_maybe_destroy(struct pfi_kif *);
1661struct pfi_kif *pfi_attach_rule(const char *);
1662void pfi_detach_rule(struct pfi_kif *);
1663void pfi_attach_state(struct pfi_kif *);
1664void pfi_detach_state(struct pfi_kif *);
| 1722void pfi_attach_ifgroup(struct ifg_group *);
1723void pfi_detach_ifgroup(struct ifg_group *);
1724void pfi_group_change(const char *);
1725int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
1726 sa_family_t);
|
1665int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
| 1727int pfi_dynaddr_setup(struct pf_addr_wrap *, sa_family_t);
|
1666void pfi_dynaddr_copyout(struct pf_addr_wrap *);
| |
1667void pfi_dynaddr_remove(struct pf_addr_wrap *);
| 1728void pfi_dynaddr_remove(struct pf_addr_wrap *);
|
| 1729void pfi_dynaddr_copyout(struct pf_addr_wrap *);
|
1668void pfi_fill_oldstatus(struct pf_status *);
| 1730void pfi_fill_oldstatus(struct pf_status *);
|
1669int pfi_clr_istats(const char *, int *, int);
1670int pfi_get_ifaces(const char *, struct pfi_if *, int *, int);
| 1731int pfi_clr_istats(const char *);
1732int pfi_get_ifaces(const char *, struct pfi_kif *, int *);
|
1671int pfi_set_flags(const char *, int);
1672int pfi_clear_flags(const char *, int);
| 1733int pfi_set_flags(const char *, int);
1734int pfi_clear_flags(const char *, int);
|
1673int pfi_match_addr(struct pfi_dynaddr *, struct pf_addr *,
1674 sa_family_t);
| |
1675
| 1735
|
1676extern struct pfi_statehead pfi_statehead;
| 1736u_int16_t pf_tagname2tag(char *);
1737void pf_tag2tagname(u_int16_t, char *);
1738void pf_tag_ref(u_int16_t);
1739void pf_tag_unref(u_int16_t);
1740int pf_tag_packet(struct mbuf *, struct pf_mtag *, int, int);
1741u_int32_t pf_qname2qid(char *);
1742void pf_qid2qname(u_int32_t, char *);
1743void pf_qid_unref(u_int32_t);
1744#ifndef __FreeBSD__
1745struct pf_mtag *pf_find_mtag(struct mbuf *);
1746struct pf_mtag *pf_get_mtag(struct mbuf *);
1747#endif
|
1677
| 1748
|
1678u_int16_t pf_tagname2tag(char *);
1679void pf_tag2tagname(u_int16_t, char *);
1680void pf_tag_ref(u_int16_t);
1681void pf_tag_unref(u_int16_t);
1682int pf_tag_packet(struct mbuf *, struct pf_tag *, int);
1683u_int32_t pf_qname2qid(char *);
1684void pf_qid2qname(u_int32_t, char *);
1685void pf_qid_unref(u_int32_t);
1686
| |
1687extern struct pf_status pf_status;
1688
1689#ifdef __FreeBSD__
1690extern uma_zone_t pf_frent_pl, pf_frag_pl;
| 1749extern struct pf_status pf_status;
1750
1751#ifdef __FreeBSD__
1752extern uma_zone_t pf_frent_pl, pf_frag_pl;
|
| 1753extern struct sx pf_consistency_lock;
|
1691#else
1692extern struct pool pf_frent_pl, pf_frag_pl;
| 1754#else
1755extern struct pool pf_frent_pl, pf_frag_pl;
|
| 1756extern struct rwlock pf_consistency_lock;
|
1693#endif
1694
1695struct pf_pool_limit {
1696 void *pp;
1697 unsigned limit;
1698};
1699extern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX];
1700
1701#ifdef __FreeBSD__
1702struct pf_frent {
1703 LIST_ENTRY(pf_frent) fr_next;
1704 struct ip *fr_ip;
1705 struct mbuf *fr_m;
1706};
1707
1708struct pf_frcache {
1709 LIST_ENTRY(pf_frcache) fr_next;
1710 uint16_t fr_off;
1711 uint16_t fr_end;
1712};
1713
1714struct pf_fragment {
1715 RB_ENTRY(pf_fragment) fr_entry;
1716 TAILQ_ENTRY(pf_fragment) frag_next;
1717 struct in_addr fr_src;
1718 struct in_addr fr_dst;
1719 u_int8_t fr_p; /* protocol of this fragment */
1720 u_int8_t fr_flags; /* status flags */
1721 u_int16_t fr_id; /* fragment id for reassemble */
1722 u_int16_t fr_max; /* fragment data max */
1723 u_int32_t fr_timeout;
1724#define fr_queue fr_u.fru_queue
1725#define fr_cache fr_u.fru_cache
1726 union {
1727 LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */
1728 LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */
1729 } fr_u;
1730};
1731#endif /* (__FreeBSD__) */
1732
1733#endif /* _KERNEL */
1734
| 1757#endif
1758
1759struct pf_pool_limit {
1760 void *pp;
1761 unsigned limit;
1762};
1763extern struct pf_pool_limit pf_pool_limits[PF_LIMIT_MAX];
1764
1765#ifdef __FreeBSD__
1766struct pf_frent {
1767 LIST_ENTRY(pf_frent) fr_next;
1768 struct ip *fr_ip;
1769 struct mbuf *fr_m;
1770};
1771
1772struct pf_frcache {
1773 LIST_ENTRY(pf_frcache) fr_next;
1774 uint16_t fr_off;
1775 uint16_t fr_end;
1776};
1777
1778struct pf_fragment {
1779 RB_ENTRY(pf_fragment) fr_entry;
1780 TAILQ_ENTRY(pf_fragment) frag_next;
1781 struct in_addr fr_src;
1782 struct in_addr fr_dst;
1783 u_int8_t fr_p; /* protocol of this fragment */
1784 u_int8_t fr_flags; /* status flags */
1785 u_int16_t fr_id; /* fragment id for reassemble */
1786 u_int16_t fr_max; /* fragment data max */
1787 u_int32_t fr_timeout;
1788#define fr_queue fr_u.fru_queue
1789#define fr_cache fr_u.fru_cache
1790 union {
1791 LIST_HEAD(pf_fragq, pf_frent) fru_queue; /* buffering */
1792 LIST_HEAD(pf_cacheq, pf_frcache) fru_cache; /* non-buf */
1793 } fr_u;
1794};
1795#endif /* (__FreeBSD__) */
1796
1797#endif /* _KERNEL */
1798
|
| 1799extern struct pf_anchor_global pf_anchors;
1800extern struct pf_anchor pf_main_anchor;
1801#define pf_main_ruleset pf_main_anchor.ruleset
1802
1803/* these ruleset functions can be linked into userland programs (pfctl) */
1804int pf_get_ruleset_number(u_int8_t);
1805void pf_init_ruleset(struct pf_ruleset *);
1806int pf_anchor_setup(struct pf_rule *,
1807 const struct pf_ruleset *, const char *);
1808int pf_anchor_copyout(const struct pf_ruleset *,
1809 const struct pf_rule *, struct pfioc_rule *);
1810void pf_anchor_remove(struct pf_rule *);
1811void pf_remove_if_empty_ruleset(struct pf_ruleset *);
1812struct pf_anchor *pf_find_anchor(const char *);
1813struct pf_ruleset *pf_find_ruleset(const char *);
1814struct pf_ruleset *pf_find_or_create_ruleset(const char *);
1815void pf_rs_initialize(void);
1816
1817#ifndef __FreeBSD__
1818/* ?!? */
1819#ifdef _KERNEL
1820int pf_anchor_copyout(const struct pf_ruleset *,
1821 const struct pf_rule *, struct pfioc_rule *);
1822void pf_anchor_remove(struct pf_rule *);
1823
1824#endif /* _KERNEL */
1825#endif
1826
|
1735/* The fingerprint functions can be linked into userland programs (tcpdump) */
1736int pf_osfp_add(struct pf_osfp_ioctl *);
1737#ifdef _KERNEL
1738struct pf_osfp_enlist *
1739 pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int,
1740 const struct tcphdr *);
1741#endif /* _KERNEL */
1742struct pf_osfp_enlist *
| 1827/* The fingerprint functions can be linked into userland programs (tcpdump) */
1828int pf_osfp_add(struct pf_osfp_ioctl *);
1829#ifdef _KERNEL
1830struct pf_osfp_enlist *
1831 pf_osfp_fingerprint(struct pf_pdesc *, struct mbuf *, int,
1832 const struct tcphdr *);
1833#endif /* _KERNEL */
1834struct pf_osfp_enlist *
|
1743 pf_osfp_fingerprint_hdr(const struct ip *, const struct tcphdr *);
| 1835 pf_osfp_fingerprint_hdr(const struct ip *, const struct ip6_hdr *,
1836 const struct tcphdr *);
|
1744void pf_osfp_flush(void);
1745int pf_osfp_get(struct pf_osfp_ioctl *);
1746#ifdef __FreeBSD__
1747int pf_osfp_initialize(void);
1748void pf_osfp_cleanup(void);
1749#else
1750void pf_osfp_initialize(void);
1751#endif
1752int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
1753struct pf_os_fingerprint *
1754 pf_osfp_validate(void);
1755
1756
1757#endif /* _NET_PFVAR_H_ */
| 1837void pf_osfp_flush(void);
1838int pf_osfp_get(struct pf_osfp_ioctl *);
1839#ifdef __FreeBSD__
1840int pf_osfp_initialize(void);
1841void pf_osfp_cleanup(void);
1842#else
1843void pf_osfp_initialize(void);
1844#endif
1845int pf_osfp_match(struct pf_osfp_enlist *, pf_osfp_t);
1846struct pf_os_fingerprint *
1847 pf_osfp_validate(void);
1848
1849
1850#endif /* _NET_PFVAR_H_ */
|