| 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 | |