release/src/router/usbmodeswitch/usb_modeswitch.sh

   1 #!/bin/sh
   2 # part of usb_modeswitch 1.1.9
   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 case "$1" in
  41         --driver-bind)
  42                 (
  43                 dir=$(ls -d /sys$2/ttyUSB* 2>/dev/null)
  44                 if [ ! -z "$dir" ]; then
  45                         exit 0
  46                 fi
  47                 set +e
  48                 device_in "bind_list" $v_id $p_id
  49                 if [ "$?" = "1" ]; then
  50                         id_attr="/sys/bus/usb-serial/drivers/option1/new_id"
  51                         if [ ! -e "$id_attr" ]; then
  52                                 /sbin/modprobe option 2>/dev/null || true
  53                         fi
  54                         if [ -e "$id_attr" ]; then
  55                                 echo "$v_id $p_id" > $id_attr
  56                         else
  57                                 /sbin/modprobe -r usbserial
  58                                 /sbin/modprobe usbserial "vendor=0x$v_id" "product=0x$p_id"
  59                         fi
  60                 fi
  61                 ) &
  62                 exit 0
  63                 ;;
  64         --symlink-name)
  65                 device_in "link_list" $v_id $p_id
  66                 if [ "$?" = "1" ]; then
  67                         if [ -e "/usr/bin/tclsh" ]; then
  68                                 exec /usr/bin/tclsh /usr/sbin/usb_modeswitch_dispatcher $1 $2 $v_id $p_id 2>/dev/null
  69                         fi
  70                 fi
  71                 exit 0
  72                 ;;
  73 esac
  74 exec 1<&- 2<&- 5<&- 7<&-
  75 (
  76 count=120
  77 while [ $count != 0 ]; do
  78         if [ ! -e "/usr/bin/tclsh" ]; then
  79                 sleep 1
  80                 count=$(($count - 1))
  81         else
  82                 exec /usr/bin/tclsh /usr/sbin/usb_modeswitch_dispatcher "$@" 2>/dev/null &
  83                 exit 0
  84         fi
  85 done
  86 ) &
  87 exit 0