1 | /* $NetBSD: uipc_syscalls_50.c,v 1.3 2011/01/19 10:21:16 tsutsui Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2008 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Christos Zoulas. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * 3. All advertising materials mentioning features or use of this software |
19 | * must display the following acknowledgement: |
20 | * This product includes software developed by the NetBSD |
21 | * Foundation, Inc. and its contributors. |
22 | * 4. Neither the name of The NetBSD Foundation nor the names of its |
23 | * contributors may be used to endorse or promote products derived |
24 | * from this software without specific prior written permission. |
25 | * |
26 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
27 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
28 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
29 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
30 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
31 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
32 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
33 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
34 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
35 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
36 | * POSSIBILITY OF SUCH DAMAGE. |
37 | */ |
38 | |
39 | #include <sys/cdefs.h> |
40 | __KERNEL_RCSID(0, "$NetBSD: uipc_syscalls_50.c,v 1.3 2011/01/19 10:21:16 tsutsui Exp $" ); |
41 | |
42 | #include <sys/param.h> |
43 | #include <sys/kernel.h> |
44 | #include <sys/msg.h> |
45 | #include <sys/sysctl.h> |
46 | #include <sys/syscallargs.h> |
47 | #include <sys/errno.h> |
48 | #include <sys/kauth.h> |
49 | #include <sys/proc.h> |
50 | #include <sys/time.h> |
51 | |
52 | #include <net/if.h> |
53 | |
54 | #include <compat/sys/time.h> |
55 | #include <compat/sys/socket.h> |
56 | #include <compat/sys/sockio.h> |
57 | |
58 | #ifdef COMPAT_OIFDATA |
59 | /*ARGSUSED*/ |
60 | int |
61 | compat_ifdatareq(struct lwp *l, u_long cmd, void *data) |
62 | { |
63 | struct oifdatareq *ifdr = data; |
64 | struct ifnet *ifp; |
65 | int error; |
66 | |
67 | ifp = ifunit(ifdr->ifdr_name); |
68 | if (ifp == NULL) |
69 | return ENXIO; |
70 | |
71 | switch (cmd) { |
72 | case SIOCGIFDATA: |
73 | ifdatan2o(&ifdr->ifdr_data, &ifp->if_data); |
74 | return 0; |
75 | |
76 | case SIOCZIFDATA: |
77 | if (l != NULL) { |
78 | error = kauth_authorize_network(l->l_cred, |
79 | KAUTH_NETWORK_INTERFACE, |
80 | KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, |
81 | (void *)cmd, NULL); |
82 | if (error != 0) |
83 | return error; |
84 | } |
85 | ifdatan2o(&ifdr->ifdr_data, &ifp->if_data); |
86 | /* |
87 | * Assumes that the volatile counters that can be |
88 | * zero'ed are at the end of if_data. |
89 | */ |
90 | memset(&ifp->if_data.ifi_ipackets, 0, sizeof(ifp->if_data) - |
91 | offsetof(struct if_data, ifi_ipackets)); |
92 | return 0; |
93 | |
94 | default: |
95 | return EINVAL; |
96 | } |
97 | } |
98 | #endif |
99 | |