release/src/router/usbmodeswitch/usb_modeswitch.sh

   1 #!/bin/sh
   2 # part of usb_modeswitch 1.1.7
   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 p_id=$4
  21 if [ -z $p_id ]; then
  22         prod=$5
  23         if [ -z $prod ]; then
  24                 prod=$3
  25         fi
  26         prod=${prod%/*}
  27         v_id=0x${prod%/*}
  28         v_id=$(printf %04x $(($v_id)) )
  29         p_id=0x${prod#*/}
  30         p_id=$(printf %04x $(($p_id)) )
  31 else
  32         v_id=$3
  33 fi
  34 case "$1" in
  35         --driver-bind)
  36                 (
  37                 dir=$(ls -d /sys$2/ttyUSB* 2>/dev/null)
  38                 if [ ! -z "$dir" ]; then
  39                         exit 0
  40                 fi
  41                 set +e
  42                 device_in "bind_list" $v_id $p_id
  43                 if [ "$?" = "1" ]; then
  44                         id_attr="/sys/bus/usb-serial/drivers/option1/new_id"
  45                         if [ ! -e "$id_attr" ]; then
  46                                 /sbin/modprobe option 2>/dev/null || true
  47                         fi
  48                         if [ -e "$id_attr" ]; then
  49                                 echo "$v_id $p_id" > $id_attr
  50                         else
  51                                 /sbin/modprobe -r usbserial
  52                                 /sbin/modprobe usbserial vendor=0x$v_id product=0x$p_id
  53                         fi
  54                 fi
  55                 ) &
  56                 exit 0
  57                 ;;
  58         --symlink-name)
  59                 device_in "link_list" $v_id $p_id
  60                 if [ "$?" = "1" ]; then
  61                         if [ -e "/usr/bin/tclsh" ]; then
  62                                 exec /usr/bin/tclsh /usr/sbin/usb_modeswitch_dispatcher $1 $2 $v_id $p_id 2>/dev/null
  63                         fi
  64                 fi
  65                 exit 0
  66                 ;;
  67 esac
  68 (
  69 count=120
  70 while [ $count != 0 ]; do
  71         if [ ! -e "/usr/bin/tclsh" ]; then
  72                 sleep 1
  73                 count=$(($count - 1))
  74         else
  75                 exec /usr/bin/tclsh /usr/sbin/usb_modeswitch_dispatcher "$@" 2>/dev/null &
  76                 exit 0
  77         fi
  78 done
  79 ) &