modules.d/40network/net-genrules.sh

   1 #!/bin/sh
   2
   3 getargbool 0 rd.neednet && NEEDNET=1
   4
   5 # Don't continue if we don't need network
   6 if [ -z "$netroot" ] && [ ! -e "/tmp/net.ifaces" ] && [ "$NEEDNET" != "1" ]; then
   7     return
   8 fi
   9
  10 command -v fix_bootif >/dev/null || . /lib/net-lib.sh
  11
  12 # Write udev rules
  13 {
  14     # bridge: attempt only the defined interface
  15     for i in /tmp/bridge.*.info; do
  16         [ -e "$i" ] || continue
  17         unset bridgeslaves
  18         unset bridgename
  19         . "$i"
  20         RAW_IFACES="$RAW_IFACES $bridgeslaves"
  21         MASTER_IFACES="$MASTER_IFACES $bridgename"
  22     done
  23
  24     # bond: attempt only the defined interface (override bridge defines)
  25     for i in /tmp/bond.*.info; do
  26         [ -e "$i" ] || continue
  27         unset bondslaves
  28         unset bondname
  29         . "$i"
  30         # It is enough to fire up only one
  31         RAW_IFACES="$RAW_IFACES $bondslaves"
  32         MASTER_IFACES="$MASTER_IFACES ${bondname}"
  33     done
  34
  35     for i in /tmp/team.*.info; do
  36         [ -e "$i" ] || continue
  37         unset teamslaves
  38         unset teammaster
  39         . "$i"
  40         RAW_IFACES="$RAW_IFACES ${teamslaves}"
  41         MASTER_IFACES="$MASTER_IFACES ${teammaster}"
  42     done
  43
  44     for i in /tmp/vlan.*.phy; do
  45         [ -e "$i" ] || continue
  46         unset phydevice
  47         . "$i"
  48         RAW_IFACES="$RAW_IFACES $phydevice"
  49         for j in /tmp/vlan.*.${phydevice}; do
  50             [ -e "$j" ] || continue
  51             unset vlanname
  52             . "$j"
  53             MASTER_IFACES="$MASTER_IFACES ${vlanname}"
  54         done
  55     done
  56
  57     MASTER_IFACES="$(trim "$MASTER_IFACES")"
  58     RAW_IFACES="$(trim "$RAW_IFACES")"
  59
  60     if [ -z "$IFACES" ]; then
  61         [ -e /tmp/net.ifaces ] && read IFACES < /tmp/net.ifaces
  62     fi
  63
  64     if [ -e /tmp/net.bootdev ]; then
  65         bootdev=$(cat /tmp/net.bootdev)
  66     fi
  67
  68     ifup='/sbin/ifup $env{INTERFACE}'
  69
  70     runcmd="RUN+=\"/sbin/initqueue --name ifup-\$env{INTERFACE} --unique --onetime $ifup\""
  71
  72     # We have some specific interfaces to handle
  73     if [ -n "${RAW_IFACES}${IFACES}" ]; then
  74         echo 'SUBSYSTEM!="net", GOTO="net_end"'
  75         echo 'ACTION!="add|change|move", GOTO="net_end"'
  76         for iface in $IFACES $RAW_IFACES; do
  77             case "$iface" in
  78                 ??:??:??:??:??:??)  # MAC address
  79                     cond="ATTR{address}==\"$iface\""
  80                     echo "$cond, $runcmd, GOTO=\"net_end\""
  81                     ;;
  82                 ??-??-??-??-??-??)  # MAC address in BOOTIF form
  83                     cond="ATTR{address}==\"$(fix_bootif $iface)\""
  84                     echo "$cond, $runcmd, GOTO=\"net_end\""
  85                     ;;
  86                 *)                  # an interface name
  87                     cond="ENV{INTERFACE}==\"$iface\""
  88                     echo "$cond, $runcmd, GOTO=\"net_end\""
  89                     cond="NAME==\"$iface\""
  90                     echo "$cond, $runcmd, GOTO=\"net_end\""
  91                     ;;
  92             esac
  93             # The GOTO prevents us from trying to ifup the same device twice
  94         done
  95         echo 'LABEL="net_end"'
  96
  97         for iface in $IFACES; do
  98             if [ "$bootdev" = "$iface" ] || [ "$NEEDNET" = "1" ]; then
  99                 echo "[ -f /tmp/net.${iface}.did-setup ]" >$hookdir/initqueue/finished/wait-$iface.sh
 100             fi
 101         done
 102     # Default: We don't know the interface to use, handle all
 103     # Fixme: waiting for the interface as well.
 104     else
 105         cond='ACTION=="add", SUBSYSTEM=="net", ENV{DEVTYPE}!="wlan|wwan"'
 106         # if you change the name of "91-default-net.rules", also change modules.d/80cms/cmssetup.sh
 107         echo "$cond, $runcmd" > /etc/udev/rules.d/91-default-net.rules
 108         if [ "$NEEDNET" = "1" ]; then
 109             echo 'for i in /tmp/net.*.did-setup; do [ -f "$i" ]  && exit 0; done; exit 1' >$hookdir/initqueue/finished/wait-network.sh
 110         fi
 111     fi
 112
 113 # if you change the name of "90-net.rules", also change modules.d/80cms/cmssetup.sh
 114 } > /etc/udev/rules.d/90-net.rules