findInterfaceInfo() - /usr/sbin/net-setup.sh (puppylinux)

# Lines 1645 to 1762 of /usr/sbin/net-setup.sh (puppylinux)
# http://www.pearltrees.com/s243a/findinterfaceinfo-puppylinux/id16432971
# Dougal: a function to find info about interface:
findInterfaceInfo()
{
  local INT="$1"
  TYPE=""
  INFO=""

  local DEVICE=$(readlink /sys/class/net/$INT/device)
  DEVICE=${DEVICE##*/}

  FI_DRIVER=$(readlink /sys/class/net/$INT/device/driver)
  case "$FI_DRIVER" in
   */bus/usb*) TYPE="usb" ;;
   */bus/ieee1394*) TYPE="firewire" ;;
   *) # pcmcia and pci apparently both appear as pci...
      if grep "^${FI_DRIVER##*/} " /etc/networkmodules |grep -q 'pcmcia:' ; then
        TYPE="pcmcia"
      else
        TYPE="pci"
      fi
      ;;
  esac
  FI_DRIVER=${FI_DRIVER##*/}

  if [ -d "/sys/class/net/$INT/wireless" ] || \
     [ "$FI_DRIVER" = "prism2_usb" ] || \
     grep -q "$INT" /proc/net/wireless
  then INTTYPE="$L_INTTYPE_Wireless"
  else INTTYPE="$L_INTTYPE_Ethernet"
  fi

  case "$TYPE" in
   pci|pcmcia) # pci device, get info from scanpci
     ## Try and replace below with actually getting the device and vendor values
     #DEVICE=$(cat /sys/class/net/$INT/device/device)
     read DEVICE <  /sys/class/net/$INT/device/device
     #VENDOR=$(cat /sys/class/net/$INT/device/vendor)
     read VENDOR < /sys/class/net/$INT/device/vendor
     INFO=$(scanpci | grep -Fi -A1 "vendor $VENDOR device $DEVICE" | tail -n1 | cut -d' ' -f1-3,5- | tr -d '[]' | sed 's%Corporation%%g ; s%Co\.%%g ; s%Ltd\.%%g ; s%Inc\.%%g ; s% ,%,%g' | tr -s ' ')
     #DEVICE=${DEVICE#*:}
     #local BUS=${DEVICE%:*}
     #local CARD=${DEVICE#*:} ; CARD=${CARD%.*}
     #local FUNC=${DEVICE#*.}
     #INFO=$(scanpci | grep -Fi -A1 "bus 0x00$BUS cardnum 0x$CARD function 0x$FUNC" | tail -n1 | cut -d' ' -f1-3,5- | tr -d '[]' | sed 's%Corporation%%g ; s%Co\.%%g ; s%Ltd\.%%g ; s% ,%,%g' | tr -s ' ')
     # if nothing found (pcmcia??), try lspci
     if [ ! "$INFO" ];then
       DEVICE=$(readlink /sys/class/net/$INT/device)
       DEVICE=${DEVICE#*:}
       INFO=$(lspci | grep -m1 "^${DEVICE} " | cut -d: -f3- | sed 's%Corporation%%g ; s%Co\.%%g ; s%Ltd\.%%g ; s% ,%,%g ; s%(rev [0-9a-z].)%%g' | tr -s ' ')
     fi
     ;;
   usb) # need to try and find info from both /proc/bus/usb/devices and lsusb
     ## 1) find device and vendor:
     #DEVICE=`cat /sys/class/net/$INT/device/device 2>/dev/null`
     #local VENDOR=`cat /sys/class/net/$INT/device/vendor 2>/dev/null`
     ## those files might not exist...try getting by module name
     #if [ -z "$DEVICE" -o -z "$VENDOR" ] ; then
       #local DEVINFO="`grep -F -B5 "Driver=$FI_DRIVER" /proc/bus/usb/devices | grep  '^P' | tr ' ' '\n' | grep -E 'Vendor|ProdID' | tr '\n' ' '`"
       #DEVICE=${DEVINFO#* } ; DEVICE=${DEVICE#*=} ; DEVICE=${DEVICE% }
       #VENDOR=${DEVINFO%% *} ; VENDOR=${VENDOR#*=}
     #fi
     ## 2) try looking for info in /proc/bus/usb/devices
     #if [ -n "$DEVICE" -a -n "$VENDOR" ] ; then
       #grep -Fi -A2 "Vendor=$VENDOR ProdID=$DEVICE" /proc/bus/usb/devices | grep '^S:' >/tmp/proc-info
       ### /tmp/proc-info can be blank, have lines with bad info or lines with good info...
       #local MANU="`grep -F 'Manufacturer=' /tmp/proc-info | cut -d= -f2`"
       #local PROD="`grep -F 'Product=' /tmp/proc-info | cut -d= -f2`"
       #rm /tmp/proc-info
       ### need to somehow decide if info (assuming we got it) is good
       ### (maybe if we have MANU or not)
       #if [ -n "$MANU" -a -n "$PROD" ] ; then
         #case "$PROD" in
          #*"$MANU"*) INFO="$PROD" ;;
          #*) INFO="$MANU $PROD" ;;
         #esac
       #else
         ## 3) try looking is lsusb output:
         #INFO="`lsusb -d $VENDOR:$DEVICE 2>/dev/null| head -n1 | cut -d' ' -f7-`"
       #fi
     #fi

     # possible alternative to all the above:
     # get the link to the device in dir in /sys/devices
     # (we only want the part of the top dir for it, like usb1/1-8
     local DEV_LINK=$(readlink /sys/class/net/$INT/device | grep -o ".*/usb[0-9]/[0-9]-[0-9]*")
     if [ -z "$DEV_LINK" ] ; then
       DEV_LINK=$(readlink /sys/class/net/$INT | grep -o ".*/usb[0-9]/[0-9]-[0-9]*")
       read PROD < /sys/class/net/$DEV_LINK/product
       read MANU < /sys/class/net/$DEV_LINK/manufacturer
     else
       read PROD < /sys/class/net/$INT/$DEV_LINK/product
       read MANU < /sys/class/net/$INT/$DEV_LINK/manufacturer
     fi
     if [ -n "$MANU" -a -n "$PROD" ] ; then
       case "$PROD" in
         *"$MANU"*) INFO="$PROD" ;;
         *) INFO="$MANU $PROD" ;;
       esac
     else # get info from module
       INFO=$(modinfo $FI_DRIVER |grep -m1 '^description' |tr -s ' ' |cut -d' ' -f2-)
     fi
     ;;
   #pcmcia) # I have no idea... try something generic
     # 1) find device and vendor:
   #  DEVICE=$(cat /sys/class/net/$INT/device/device)
   #  local VENDOR=$(cat /sys/class/net/$INT/device/vendor)
     # maybe use lspcmcia?
   #  ;;
   firewire)
     FI_DRIVER="eth1394"
     INFO="$L_INFO_Eth_Firewire"
     ;;
  esac
  #111015 strip out chars that might upset gtkdialog...
  [ "$MANU" ] && MANU="`echo -n "$MANU" | sed -e 's%[^a-zA-Z0-9 .]%%g'`"
  [ "$PROD" ] && PROD="`echo -n "$PROD" | sed -e 's%[^a-zA-Z0-9 .]%%g'`"
  [ "$INFO" ] && INFO="`echo -n "$INFO" | sed -e 's%[^a-zA-Z0-9 .]%%g'`"
} # end findInterfaceInfo