if_43.c revision 1.1.8.2
1 /* $NetBSD: if_43.c,v 1.1.8.2 2009/01/19 13:17:17 skrll Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1989, 1990, 1993 5 * The Regents of the University of California. 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 University 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 REGENTS 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 REGENTS 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 * @(#)uipc_syscalls.c 8.4 (Berkeley) 2/21/94 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: if_43.c,v 1.1.8.2 2009/01/19 13:17:17 skrll Exp $"); 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/filedesc.h> 40 #include <sys/kernel.h> 41 #include <sys/proc.h> 42 #include <sys/file.h> 43 #include <sys/socket.h> 44 #include <sys/socketvar.h> 45 #include <sys/stat.h> 46 #include <sys/ioctl.h> 47 #include <sys/fcntl.h> 48 #include <sys/malloc.h> 49 #include <sys/syslog.h> 50 #include <sys/unistd.h> 51 #include <sys/resourcevar.h> 52 #include <sys/mbuf.h> /* for MLEN */ 53 #include <sys/protosw.h> 54 55 #include <sys/mount.h> 56 #include <sys/syscallargs.h> 57 58 #include <net/if.h> 59 #include <net/bpf.h> 60 #include <net/route.h> 61 #include <netinet/in.h> 62 #include <netinet/in_systm.h> 63 #include <netinet/ip.h> 64 #include <net/if_gre.h> 65 #include <net/if_atm.h> 66 #include <net/if_tap.h> 67 #include <net80211/ieee80211_ioctl.h> 68 #include <netinet6/in6_var.h> 69 #include <netinet6/nd6.h> 70 #include <compat/sys/socket.h> 71 #include <compat/sys/sockio.h> 72 73 #include <compat/common/compat_util.h> 74 75 #include <uvm/uvm_extern.h> 76 77 u_long 78 compat_cvtcmd(u_long cmd) 79 { 80 u_long ncmd; 81 82 if (IOCPARM_LEN(cmd) != sizeof(struct oifreq)) 83 return cmd; 84 85 ncmd = ((cmd) & ~(IOCPARM_MASK << IOCPARM_SHIFT)) | 86 (sizeof(struct ifreq) << IOCPARM_SHIFT); 87 88 switch (ncmd) { 89 case BIOCGETIF: 90 case BIOCSETIF: 91 case GREDSOCK: 92 case GREGADDRD: 93 case GREGADDRS: 94 case GREGPROTO: 95 case GRESADDRD: 96 case GRESADDRS: 97 case GRESPROTO: 98 case GRESSOCK: 99 #ifdef COMPAT_20 100 case OSIOCG80211STATS: 101 case OSIOCG80211ZSTATS: 102 #endif /* COMPAT_20 */ 103 case SIOCADDMULTI: 104 case SIOCDELMULTI: 105 case SIOCDIFADDR: 106 case SIOCDIFADDR_IN6: 107 case SIOCDIFPHYADDR: 108 case SIOCGDEFIFACE_IN6: 109 case SIOCG80211NWID: 110 case SIOCG80211STATS: 111 case SIOCG80211ZSTATS: 112 case SIOCGIFADDR: 113 case SIOCGIFADDR_IN6: 114 case SIOCGIFAFLAG_IN6: 115 case SIOCGIFALIFETIME_IN6: 116 case SIOCGIFBRDADDR: 117 case SIOCGIFDLT: 118 case SIOCGIFDSTADDR: 119 case SIOCGIFDSTADDR_IN6: 120 case SIOCGIFFLAGS: 121 case SIOCGIFGENERIC: 122 case SIOCGIFMETRIC: 123 case SIOCGIFMTU: 124 case SIOCGIFNETMASK: 125 case SIOCGIFNETMASK_IN6: 126 case SIOCGIFPDSTADDR: 127 case SIOCGIFPDSTADDR_IN6: 128 case SIOCGIFPSRCADDR: 129 case SIOCGIFPSRCADDR_IN6: 130 case SIOCGIFSTAT_ICMP6: 131 case SIOCGIFSTAT_IN6: 132 case SIOCGPVCSIF: 133 case SIOCGVH: 134 case SIOCIFCREATE: 135 case SIOCIFDESTROY: 136 case SIOCS80211NWID: 137 case SIOCSDEFIFACE_IN6: 138 case SIOCSIFADDR: 139 case SIOCSIFADDR_IN6: 140 case SIOCSIFBRDADDR: 141 case SIOCSIFDSTADDR: 142 case SIOCSIFDSTADDR_IN6: 143 case SIOCSIFFLAGS: 144 case SIOCSIFGENERIC: 145 case SIOCSIFMEDIA: 146 case SIOCSIFMETRIC: 147 case SIOCSIFMTU: 148 case SIOCSIFNETMASK: 149 case SIOCSIFNETMASK_IN6: 150 case SIOCSNDFLUSH_IN6: 151 case SIOCSPFXFLUSH_IN6: 152 case SIOCSPVCSIF: 153 case SIOCSRTRFLUSH_IN6: 154 case SIOCSVH: 155 case TAPGIFNAME: 156 return ncmd; 157 } 158 return cmd; 159 } 160 161 int 162 compat_ifioctl(struct socket *so, u_long ocmd, u_long cmd, void *data, 163 struct lwp *l) 164 { 165 int error; 166 struct ifreq *ifr = data; 167 struct ifnet *ifp = ifunit(ifr->ifr_name); 168 struct sockaddr *sa; 169 170 if (ifp == NULL) 171 return ENXIO; 172 173 switch (ocmd) { 174 case OSIOCSIFADDR: 175 case OSIOCSIFDSTADDR: 176 case OSIOCSIFBRDADDR: 177 case OSIOCSIFNETMASK: 178 sa = &ifr->ifr_addr; 179 #if BYTE_ORDER != BIG_ENDIAN 180 if (sa->sa_family == 0 && sa->sa_len < 16) { 181 sa->sa_family = sa->sa_len; 182 sa->sa_len = 16; 183 } 184 #else 185 if (sa->sa_len == 0) 186 sa->sa_len = 16; 187 #endif 188 break; 189 190 case OOSIOCGIFADDR: 191 cmd = SIOCGIFADDR; 192 break; 193 194 case OOSIOCGIFDSTADDR: 195 cmd = SIOCGIFDSTADDR; 196 break; 197 198 case OOSIOCGIFBRDADDR: 199 cmd = SIOCGIFBRDADDR; 200 break; 201 202 case OOSIOCGIFNETMASK: 203 cmd = SIOCGIFNETMASK; 204 } 205 206 error = (*so->so_proto->pr_usrreq)(so, PRU_CONTROL, 207 (struct mbuf *)cmd, (struct mbuf *)ifr, (struct mbuf *)ifp, l); 208 209 switch (ocmd) { 210 case OOSIOCGIFADDR: 211 case OOSIOCGIFDSTADDR: 212 case OOSIOCGIFBRDADDR: 213 case OOSIOCGIFNETMASK: 214 *(u_int16_t *)&ifr->ifr_addr = 215 ((struct sockaddr *)&ifr->ifr_addr)->sa_family; 216 } 217 return error; 218 } 219
Indexes created Mon Oct 20 05:10:11 GMT 2025