1 /* $NetBSD: uipc_syscalls_50.c,v 1.2 2009/01/11 02:45:47 christos 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 1.2 2009/01/11 02:45:47 christos 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/mount.h> 47 #include <sys/syscallargs.h> 48 #include <sys/errno.h> 49 #include <sys/kauth.h> 50 #include <sys/proc.h> 51 #include <sys/time.h> 52 53 #include <net/if.h> 54 55 #include <compat/sys/time.h> 56 #include <compat/sys/socket.h> 57 #include <compat/sys/sockio.h> 58 59 #ifdef COMPAT_OIFDATA 60 /*ARGSUSED*/ 61 int 62 compat_ifdatareq(struct lwp *l, u_long cmd, void *data) 63 { 64 struct oifdatareq *ifdr = data; 65 struct ifnet *ifp; 66 int error; 67 68 ifp = ifunit(ifdr->ifdr_name); 69 if (ifp == NULL) 70 return ENXIO; 71 72 switch (cmd) { 73 case SIOCGIFDATA: 74 ifdatan2o(&ifdr->ifdr_data, &ifp->if_data); 75 return 0; 76 77 case SIOCZIFDATA: 78 if (l != NULL) { 79 error = kauth_authorize_network(l->l_cred, 80 KAUTH_NETWORK_INTERFACE, 81 KAUTH_REQ_NETWORK_INTERFACE_SETPRIV, ifp, 82 (void *)cmd, NULL); 83 if (error != 0) 84 return error; 85 } 86 ifdatan2o(&ifdr->ifdr_data, &ifp->if_data); 87 /* 88 * Assumes that the volatile counters that can be 89 * zero'ed are at the end of if_data. 90 */ 91 memset(&ifp->if_data.ifi_ipackets, 0, sizeof(ifp->if_data) - 92 offsetof(struct if_data, ifi_ipackets)); 93 return 0; 94 95 default: 96 return EINVAL; 97 } 98 } 99 #endif 100