1 /*        $NetBSD: rtsock_14.c,v 1.10 2020/01/29 05:47:12 thorpej Exp $         */
2 
3 /*
4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the project nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 /*
33  * Copyright (c) 1988, 1991, 1993
34  *        The Regents of the University of California.  All rights reserved.
35  *
36  * Redistribution and use in source and binary forms, with or without
37  * modification, are permitted provided that the following conditions
38  * are met:
39  * 1. Redistributions of source code must retain the above copyright
40  *    notice, this list of conditions and the following disclaimer.
41  * 2. Redistributions in binary form must reproduce the above copyright
42  *    notice, this list of conditions and the following disclaimer in the
43  *    documentation and/or other materials provided with the distribution.
44  * 3. Neither the name of the University nor the names of its contributors
45  *    may be used to endorse or promote products derived from this software
46  *    without specific prior written permission.
47  *
48  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
49  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
50  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
51  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
52  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
53  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
54  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
55  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
56  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
57  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58  * SUCH DAMAGE.
59  *
60  *        @(#)rtsock.c        8.7 (Berkeley) 10/12/95
61  */
62 
63 #include <sys/cdefs.h>
64 __KERNEL_RCSID(0, "$NetBSD: rtsock_14.c,v 1.10 2020/01/29 05:47:12 thorpej Exp $");
65 
66 #if defined(_KERNEL_OPT)
67 #include "opt_compat_netbsd.h"
68 #endif
69 
70 #ifdef _KERNEL_OPT
71 #include "opt_inet.h"
72 #endif
73 
74 #include <sys/param.h>
75 #include <sys/systm.h>
76 #include <sys/proc.h>
77 #include <sys/mbuf.h>
78 #include <sys/socket.h>
79 #include <sys/socketvar.h>
80 #include <sys/domain.h>
81 #include <sys/protosw.h>
82 #include <sys/sysctl.h>
83 #include <sys/kauth.h>
84 #include <sys/compat_stub.h>
85 #ifdef RTSOCK_DEBUG
86 #include <netinet/in.h>
87 #endif /* RTSOCK_DEBUG */
88 
89 #include <net/if.h>
90 #include <net/route.h>
91 #include <net/raw_cb.h>
92 
93 #include <compat/net/if.h>
94 #include <compat/net/route.h>
95 
96 #include <compat/common/compat_mod.h>
97 
98 void
compat_14_rt_oifmsg(struct ifnet * ifp)99 compat_14_rt_oifmsg(struct ifnet *ifp)
100 {
101           struct if_msghdr14 oifm;
102           struct if_data ifi;
103           struct mbuf *m;
104           struct rt_addrinfo info;
105           struct timeval tv;
106 
107           if (compat_50_route_info.ri_cb.any_count == 0)
108                     return;
109           (void)memset(&info, 0, sizeof(info));
110           (void)memset(&oifm, 0, sizeof(oifm));
111           if_export_if_data(ifp, &ifi, false);
112           oifm.ifm_index = ifp->if_index;
113           oifm.ifm_flags = ifp->if_flags;
114           oifm.ifm_data.ifi_type = ifi.ifi_type;
115           oifm.ifm_data.ifi_addrlen = ifi.ifi_addrlen;
116           oifm.ifm_data.ifi_hdrlen = ifi.ifi_hdrlen;
117           oifm.ifm_data.ifi_mtu = ifi.ifi_mtu;
118           oifm.ifm_data.ifi_metric = ifi.ifi_metric;
119           oifm.ifm_data.ifi_baudrate = ifi.ifi_baudrate;
120           oifm.ifm_data.ifi_ipackets = ifi.ifi_ipackets;
121           oifm.ifm_data.ifi_ierrors = ifi.ifi_ierrors;
122           oifm.ifm_data.ifi_opackets = ifi.ifi_opackets;
123           oifm.ifm_data.ifi_oerrors = ifi.ifi_oerrors;
124           oifm.ifm_data.ifi_collisions = ifi.ifi_collisions;
125           oifm.ifm_data.ifi_ibytes = ifi.ifi_ibytes;
126           oifm.ifm_data.ifi_obytes = ifi.ifi_obytes;
127           oifm.ifm_data.ifi_imcasts = ifi.ifi_imcasts;
128           oifm.ifm_data.ifi_omcasts = ifi.ifi_omcasts;
129           oifm.ifm_data.ifi_iqdrops = ifi.ifi_iqdrops;
130           oifm.ifm_data.ifi_noproto = ifi.ifi_noproto;
131           TIMESPEC_TO_TIMEVAL(&tv, &ifi.ifi_lastchange);
132           timeval_to_timeval50(&tv, &oifm.ifm_data.ifi_lastchange);
133           oifm.ifm_addrs = 0;
134           m = compat_50_rt_msg1(RTM_OOIFINFO, &info, (void *)&oifm, sizeof(oifm));
135           if (m == NULL)
136                     return;
137           compat_50_route_enqueue(m, 0);
138 }
139 
140 int
compat_14_iflist(struct ifnet * ifp,struct rt_walkarg * w,struct rt_addrinfo * info,size_t len)141 compat_14_iflist(struct ifnet *ifp, struct rt_walkarg *w,
142     struct rt_addrinfo *info, size_t len)
143 {
144           struct if_msghdr14 *ifm;
145           struct if_data ifi;
146           struct timeval tv;
147           int error;
148 
149           ifm = (struct if_msghdr14 *)w->w_tmem;
150           if_export_if_data(ifp, &ifi, false);
151           ifm->ifm_index = ifp->if_index;
152           ifm->ifm_flags = ifp->if_flags;
153           ifm->ifm_data.ifi_type = ifi.ifi_type;
154           ifm->ifm_data.ifi_addrlen = ifi.ifi_addrlen;
155           ifm->ifm_data.ifi_hdrlen = ifi.ifi_hdrlen;
156           ifm->ifm_data.ifi_mtu = ifi.ifi_mtu;
157           ifm->ifm_data.ifi_metric = ifi.ifi_metric;
158           ifm->ifm_data.ifi_baudrate = ifi.ifi_baudrate;
159           ifm->ifm_data.ifi_ipackets = ifi.ifi_ipackets;
160           ifm->ifm_data.ifi_ierrors = ifi.ifi_ierrors;
161           ifm->ifm_data.ifi_opackets = ifi.ifi_opackets;
162           ifm->ifm_data.ifi_oerrors = ifi.ifi_oerrors;
163           ifm->ifm_data.ifi_collisions = ifi.ifi_collisions;
164           ifm->ifm_data.ifi_ibytes = ifi.ifi_ibytes;
165           ifm->ifm_data.ifi_obytes = ifi.ifi_obytes;
166           ifm->ifm_data.ifi_imcasts = ifi.ifi_imcasts;
167           ifm->ifm_data.ifi_omcasts = ifi.ifi_omcasts;
168           ifm->ifm_data.ifi_iqdrops = ifi.ifi_iqdrops;
169           ifm->ifm_data.ifi_noproto = ifi.ifi_noproto;
170           TIMESPEC_TO_TIMEVAL(&tv, &ifi.ifi_lastchange);
171           timeval_to_timeval50(&tv, &ifm->ifm_data.ifi_lastchange);
172           ifm->ifm_addrs = info->rti_addrs;
173           error = copyout(ifm, w->w_where, len);
174           if (error)
175                     return error;
176           w->w_where = (char *)w->w_where + len;
177           return 0;
178 }
179 
180 void
rtsock_14_init(void)181 rtsock_14_init(void)
182 {
183 
184           MODULE_HOOK_SET(rtsock_oifmsg_14_hook, compat_14_rt_oifmsg);
185           MODULE_HOOK_SET(rtsock_iflist_14_hook, compat_14_iflist);
186 }
187 
188 void
rtsock_14_fini(void)189 rtsock_14_fini(void)
190 {
191 
192           MODULE_HOOK_UNSET(rtsock_oifmsg_14_hook);
193           MODULE_HOOK_UNSET(rtsock_iflist_14_hook);
194 }
195