libexec/rc/rc.d/netif

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2003 The FreeBSD Project. All rights reserved.
   4 #
   5 # Redistribution and use in source and binary forms, with or without
   6 # modification, are permitted provided that the following conditions
   7 # are met:
   8 # 1. Redistributions of source code must retain the above copyright
   9 #    notice, this list of conditions and the following disclaimer.
  10 # 2. Redistributions in binary form must reproduce the above copyright
  11 #    notice, this list of conditions and the following disclaimer in the
  12 #    documentation and/or other materials provided with the distribution.
  13 #
  14 # THIS SOFTWARE IS PROVIDED BY THE PROJECT ``AS IS'' AND ANY EXPRESS OR
  15 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17 # IN NO EVENT SHALL THE PROJECT BE LIABLE FOR ANY DIRECT, INDIRECT,
  18 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24 #
  25 # $FreeBSD$
  26 #
  27
  28 # PROVIDE: netif
  29 # REQUIRE: FILESYSTEMS iovctl serial sppp sysctl
  30 # REQUIRE: hostid ipfilter ipfs
  31 # KEYWORD: nojailvnet
  32
  33 . /etc/rc.subr
  34 . /etc/network.subr
  35
  36 name="netif"
  37 desc="Network interface setup"
  38 rcvar="${name}_enable"
  39 start_cmd="netif_start"
  40 stop_cmd="netif_stop"
  41 wlanup_cmd="wlan_up"
  42 wlandown_cmd="wlan_down"
  43 cloneup_cmd="clone_up"
  44 clonedown_cmd="clone_down"
  45 clear_cmd="doclear"
  46 vnetup_cmd="vnet_up"
  47 vnetdown_cmd="vnet_down"
  48 extra_commands="cloneup clonedown clear vnetup vnetdown"
  49 cmdifn=
  50
  51 set_rcvar_obsolete ipv6_enable ipv6_activate_all_interfaces
  52 set_rcvar_obsolete ipv6_prefer
  53
  54 netif_start()
  55 {
  56         local _if
  57
  58         # Set the list of interfaces to work on.
  59         #
  60         cmdifn=$*
  61
  62         if [ -z "$cmdifn" ]; then
  63                 #
  64                 # We're operating as a general network start routine.
  65                 #
  66
  67                 # disable SIGINT (Ctrl-c) when running at startup
  68                 trap : 2
  69         fi
  70
  71         # Create IEEE802.11 interface
  72         wlan_up $cmdifn
  73
  74         # Create cloned interfaces
  75         clone_up $cmdifn
  76
  77         # Rename interfaces.
  78         ifnet_rename $cmdifn
  79
  80         # Configure the interface(s).
  81         netif_common ifn_start $cmdifn
  82
  83         if [ -f /etc/rc.d/ipfilter ] ; then
  84                 # Resync ipfilter
  85                 /etc/rc.d/ipfilter quietresync
  86         fi
  87         if [ -f /etc/rc.d/bridge -a -n "$cmdifn" ] ; then
  88                 /etc/rc.d/bridge start $cmdifn
  89         fi
  90         if [ -f /etc/rc.d/routing -a -n "$cmdifn" ] ; then
  91                 for _if in $cmdifn; do
  92                         /etc/rc.d/routing static any $_if
  93                 done
  94         fi
  95 }
  96
  97 netif_stop()
  98 {
  99         _clone_down=1
 100         _wlan_down=1
 101         netif_stop0 $*
 102 }
 103
 104 doclear()
 105 {
 106         _clone_down=
 107         _wlan_down=
 108         netif_stop0 $*
 109 }
 110
 111 netif_stop0()
 112 {
 113         local _if
 114
 115         # Set the list of interfaces to work on.
 116         #
 117         cmdifn=$*
 118
 119         # Deconfigure the interface(s)
 120         netif_common ifn_stop $cmdifn
 121
 122         # Destroy wlan interfaces
 123         if [ -n "$_wlan_down" ]; then
 124                 wlan_down $cmdifn
 125         fi
 126
 127         # Destroy cloned interfaces
 128         if [ -n "$_clone_down" ]; then
 129                 clone_down $cmdifn
 130         fi
 131
 132         if [ -f /etc/rc.d/routing -a -n "$cmdifn" ] ; then
 133                 for _if in $cmdifn; do
 134                         /etc/rc.d/routing stop any $_if
 135                 done
 136         fi
 137 }
 138
 139 vnet_up()
 140 {
 141         cmdifn=$*
 142
 143         netif_common ifn_vnetup $cmdifn
 144 }
 145
 146 vnet_down()
 147 {
 148         cmdifn=$*
 149
 150         netif_common ifn_vnetdown $cmdifn
 151 }
 152
 153 # netif_common routine
 154 #       Common configuration subroutine for network interfaces. This
 155 #       routine takes all the preparatory steps needed for configuriing
 156 #       an interface and then calls $routine.
 157 netif_common()
 158 {
 159         local _cooked_list _tmp_list _fail _func _ok _str _cmdifn
 160
 161         _func=
 162
 163         if [ -z "$1" ]; then
 164                 err 1 "netif_common(): No function name specified."
 165         else
 166                 _func="$1"
 167                 shift
 168         fi
 169
 170         # Set the scope of the command (all interfaces or just one).
 171         #
 172         _cooked_list=
 173         _tmp_list=
 174         _cmdifn=$*
 175         if [ -n "$_cmdifn" ]; then
 176                 # Don't check that the interface(s) exist.  We need to run
 177                 # the down code even when the interface doesn't exist to
 178                 # kill off wpa_supplicant.
 179                 # XXXBED: is this really true or does wpa_supplicant die?
 180                 # if so, we should get rid of the devd entry
 181                 _cooked_list="$_cmdifn"
 182         else
 183                 _cooked_list="`list_net_interfaces`"
 184         fi
 185
 186         # Expand epair[0-9] to epair[0-9][ab].
 187         for ifn in $_cooked_list; do
 188         case ${ifn#epair} in
 189         [0-9]*[ab])     ;;      # Skip epair[0-9]*[ab].
 190         [0-9]*)
 191                 for _str in $_cooked_list; do
 192                 case $_str in
 193                 $ifn)   _tmp_list="$_tmp_list ${ifn}a ${ifn}b" ;;
 194                 *)      _tmp_list="$_tmp_list ${ifn}" ;;
 195                 esac
 196                 done
 197                 _cooked_list=${_tmp_list# }
 198         ;;
 199         esac
 200         done
 201
 202         _dadwait=
 203         _fail=
 204         _ok=
 205         for ifn in ${_cooked_list# }; do
 206                 # Skip if ifn does not exist.
 207                 case $_func in
 208                 ifn_stop)
 209                         if ! ${IFCONFIG_CMD} $ifn > /dev/null 2>&1; then
 210                                 warn "$ifn does not exist.  Skipped."
 211                                 _fail="${_fail} ${ifn}"
 212                                 continue
 213                         fi
 214                 ;;
 215                 esac
 216                 if ${_func} ${ifn} $2; then
 217                         _ok="${_ok} ${ifn}"
 218                         if ipv6if ${ifn}; then
 219                                 _dadwait=1
 220                         fi
 221                 else
 222                         _fail="${_fail} ${ifn}"
 223                 fi
 224         done
 225
 226         # inet6 address configuration needs sleep for DAD.
 227         case ${_func}:${_dadwait} in
 228         ifn_start:1|ifn_vnetup:1|ifn_vnetdown:1)
 229                 sleep `${SYSCTL_N} net.inet6.ip6.dad_count`
 230                 sleep 1
 231         ;;
 232         esac
 233
 234         _str=
 235         if [ -n "${_ok}" ]; then
 236                 case ${_func} in
 237                 ifn_start)
 238                         _str='Starting'
 239                 ;;
 240                 ifn_stop)
 241                         _str='Stopping'
 242                 ;;
 243                 ifn_vnetup)
 244                         _str='Moving'
 245                 ;;
 246                 ifn_vnetdown)
 247                         _str='Reclaiming'
 248                 ;;
 249                 esac
 250                 echo "${_str} Network:${_ok}."
 251                 case ${_func} in
 252                 ifn_vnetup)
 253                         # Clear _ok not to do "ifconfig $ifn"
 254                         # because $ifn is no longer in the current vnet.
 255                         _ok=
 256                 ;;
 257                 esac
 258                 if check_startmsgs; then
 259                         for ifn in ${_ok}; do
 260                                 /sbin/ifconfig ${ifn}
 261                         done
 262                 fi
 263         fi
 264
 265         debug "The following interfaces were not configured: $_fail"
 266 }
 267
 268 # Load the old "network" config file also for compatibility.
 269 # This is needed for mfsBSD at least.
 270 load_rc_config network
 271 load_rc_config $name
 272 run_rc_command $*