2 * Copyright 1999 Guido van Rooij. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS
15 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL THE HOLDER OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/sys/contrib/ipfilter/netinet/mlfk_ipl.c,v 1.9.2.2 2002/04/27 17:37:12 darrenr Exp $
27 * $DragonFly: src/sys/contrib/ipfilter/netinet/mlfk_ipl.c,v 1.2 2003/06/17 04:28:20 dillon Exp $
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/module.h>
36 #include <sys/socket.h>
37 #include <sys/sysctl.h>
39 #include <netinet/in_systm.h>
40 #include <netinet/in.h>
41 #include <netinet/ip.h>
42 #if (__FreeBSD_version >= 199511)
43 # include <net/route.h>
44 # include <netinet/ip_var.h>
45 # include <netinet/tcp.h>
46 # include <netinet/tcpip.h>
50 #include <netinet/ipl.h>
51 #include <netinet/ip_compat.h>
52 #include <netinet/ip_fil.h>
53 #include <netinet/ip_state.h>
54 #include <netinet/ip_nat.h>
55 #include <netinet/ip_auth.h>
56 #include <netinet/ip_frag.h>
57 #include <netinet/ip_proxy.h>
59 static dev_t ipf_devs[IPL_LOGMAX + 1];
61 SYSCTL_DECL(_net_inet);
62 SYSCTL_NODE(_net_inet, OID_AUTO, ipf, CTLFLAG_RW, 0, "IPF");
63 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_flags, CTLFLAG_RW, &fr_flags, 0, "");
64 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_pass, CTLFLAG_RW, &fr_pass, 0, "");
65 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_active, CTLFLAG_RD, &fr_active, 0, "");
66 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_tcpidletimeout, CTLFLAG_RW,
67 &fr_tcpidletimeout, 0, "");
68 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_tcpclosewait, CTLFLAG_RW,
69 &fr_tcpclosewait, 0, "");
70 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_tcplastack, CTLFLAG_RW,
71 &fr_tcplastack, 0, "");
72 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_tcptimeout, CTLFLAG_RW,
73 &fr_tcptimeout, 0, "");
74 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_tcpclosed, CTLFLAG_RW,
75 &fr_tcpclosed, 0, "");
76 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_tcphalfclosed, CTLFLAG_RW,
77 &fr_tcphalfclosed, 0, "");
78 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_udptimeout, CTLFLAG_RW,
79 &fr_udptimeout, 0, "");
80 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_udpacktimeout, CTLFLAG_RW,
81 &fr_udpacktimeout, 0, "");
82 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_icmptimeout, CTLFLAG_RW,
83 &fr_icmptimeout, 0, "");
84 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_icmpacktimeout, CTLFLAG_RW,
85 &fr_icmpacktimeout, 0, "");
86 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_defnatage, CTLFLAG_RW,
87 &fr_defnatage, 0, "");
88 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_ipfrttl, CTLFLAG_RW,
90 SYSCTL_INT(_net_inet_ipf, OID_AUTO, ipl_unreach, CTLFLAG_RW,
92 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_running, CTLFLAG_RD,
94 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_authsize, CTLFLAG_RD,
96 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_authused, CTLFLAG_RD,
98 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_defaultauthage, CTLFLAG_RW,
99 &fr_defaultauthage, 0, "");
100 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_chksrc, CTLFLAG_RW, &fr_chksrc, 0, "");
101 SYSCTL_INT(_net_inet_ipf, OID_AUTO, ippr_ftp_pasvonly, CTLFLAG_RW,
102 &ippr_ftp_pasvonly, 0, "");
103 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_minttl, CTLFLAG_RW, &fr_minttl, 0, "");
104 SYSCTL_INT(_net_inet_ipf, OID_AUTO, fr_minttllog, CTLFLAG_RW,
105 &fr_minttllog, 0, "");
107 #define CDEV_MAJOR 79
108 static struct cdevsw ipl_cdevsw = {
110 /* close */ iplclose,
113 /* ioctl */ iplioctl,
116 /* strategy */ nostrategy,
118 /* maj */ CDEV_MAJOR,
126 ipfilter_modevent(module_t mod, int type, void *unused)
139 for(i=strlen(IPL_NAME); i>0; i--)
140 if (IPL_NAME[i] == '/') {
146 ipf_devs[IPL_LOGIPF] =
147 make_dev(&ipl_cdevsw, IPL_LOGIPF, 0, 0, 0600, c);
150 for(i=strlen(IPL_NAT); i>0; i--)
151 if (IPL_NAT[i] == '/') {
157 ipf_devs[IPL_LOGNAT] =
158 make_dev(&ipl_cdevsw, IPL_LOGNAT, 0, 0, 0600, c);
161 for(i=strlen(IPL_STATE); i>0; i--)
162 if (IPL_STATE[i] == '/') {
168 ipf_devs[IPL_LOGSTATE] =
169 make_dev(&ipl_cdevsw, IPL_LOGSTATE, 0, 0, 0600, c);
172 for(i=strlen(IPL_AUTH); i>0; i--)
173 if (IPL_AUTH[i] == '/') {
179 ipf_devs[IPL_LOGAUTH] =
180 make_dev(&ipl_cdevsw, IPL_LOGAUTH, 0, 0, 0600, c);
184 destroy_dev(ipf_devs[IPL_LOGIPF]);
185 destroy_dev(ipf_devs[IPL_LOGNAT]);
186 destroy_dev(ipf_devs[IPL_LOGSTATE]);
187 destroy_dev(ipf_devs[IPL_LOGAUTH]);
197 static moduledata_t ipfiltermod = {
202 DECLARE_MODULE(ipfilter, ipfiltermod, SI_SUB_PROTO_DOMAIN, SI_ORDER_ANY);