release/src/router/usbmodeswitch/usb_modeswitch.sh

   1 #!/bin/sh
   2 # part of usb_modeswitch 2.4.0
   3 device_in()
   4 {
   5         if [ ! -e /var/lib/usb_modeswitch/$1 ]; then
   6                 return 0
   7         fi
   8         while read line
   9         do
  10                 if [ $(expr "$line" : "$2:$3") != 0 ]; then
  11                         return 1
  12                 fi
  13         done </var/lib/usb_modeswitch/$1
  14         if [ $(expr "$line" : "$2:$3") != 0 ]; then
  15                 return 1
  16         fi
  17         return 0
  18 }
  19
  20 if [ $(expr "$1" : "--.*") ]; then
  21         p_id=$4
  22         if [ -z $p_id ]; then
  23                 prod=$5
  24                 if [ -z $prod ]; then
  25                         prod=$3
  26                 fi
  27                 prod=${prod%/*}
  28                 v_id=0x${prod%/*}
  29                 p_id=0x${prod#*/}
  30                 if [ "$v_id" = "0x" ]; then
  31                         v_id="0"
  32                         p_id="0"
  33                 fi
  34                 v_id="$(printf %04x $(($v_id)))"
  35                 p_id="$(printf %04x $(($p_id)))"
  36         else
  37                 v_id=$3
  38         fi
  39 fi
  40 PATH=/sbin:/usr/sbin:$PATH
  41 case "$1" in
  42         --driver-bind)
  43                 # driver binding code removed
  44                 exit 0
  45                 ;;
  46         --symlink-name)
  47                 device_in "link_list" $v_id $p_id
  48                 if [ "$?" = "1" ]; then
  49                         if [ -e "/usr/sbin/usb_modeswitch_dispatcher" ]; then
  50                                 exec usb_modeswitch_dispatcher $1 $2 2>>/dev/null
  51                         fi
  52                 fi
  53                 exit 0
  54                 ;;
  55 esac
  56
  57 IFS='/' read -r p1 p2 <<EOF
  58 $1
  59 EOF
  60
  61 PATH=/bin:/sbin:/usr/bin:/usr/sbin
  62 init_path=`readlink /sbin/init`
  63 if [ `basename $init_path` = "systemd" ]; then
  64         systemctl --no-block start usb_modeswitch@$p1'_'$p2.service
  65 elif [ -e "/etc/init/usb-modeswitch-upstart.conf" ]; then
  66         initctl emit --no-wait usb-modeswitch-upstart UMS_PARAM=$1
  67 else
  68         # only old distros, new udev will kill all subprocesses
  69         exec 1<&- 2<&- 5<&- 7<&-
  70         exec usb_modeswitch_dispatcher --switch-mode $1 &
  71 fi
  72 exit 0