net/mac-to-devinfo/files/mac-to-devinfo

   1 #!/bin/sh
   2
   3 UCIBIN=uci
   4 UCIFUNC=/usr/lib/mac-to-devinfo/devinfo-functions.sh
   5 OVERRIDETABLE=mactodevinfo
   6 DEVDB=macdevdb
   7 UCICONFIG=/etc/config
   8
   9 OUIURL=http://standards.ieee.org/regauth/oui/oui.txt
  10 IABURL=http://standards.ieee.org/regauth/oui/iab.txt
  11
  12 OUIDIR=/var/cache/mac-to-devinfo
  13
  14 OUIFILE=$OUIDIR/oui.txt
  15 IABFILE=$OUIDIR/iab.txt
  16
  17 UCIDEVDB=/usr/share/mac-to-devinfo
  18 UCISTATE="$(mktemp -t)"
  19
  20 . $UCIFUNC
  21
  22 MAC=$1
  23
  24 if [ -z "$MAC" ]; then
  25         echo "Must specify MAC address"
  26         exit 1
  27 fi
  28
  29 parse_override() {
  30         local cfg="$1"
  31         config_get name "$cfg" name
  32         config_get maclow "$cfg" maclow
  33         config_get machigh "$cfg" machigh
  34         config_get vendor "$cfg" vendor
  35         config_get devtype "$cfg" devtype
  36         config_get model "$cfg" model
  37         config_get ouiowneroverride "$cfg" ouiowner
  38         LOW=$(echo $maclow | sed -e 's/://g')
  39         HIGH=$(echo $machigh | sed -e 's/://g')
  40         if [ -z "$LOW" ] || [ -z "$HIGH" ] || [ -n "$(echo $LOW | grep -E -v '^[0-9A-Fa-f]{12}$')" ] || [ -n "$(echo $HIGH | grep -E -v '^[0-9A-Fa-f]{12}$')" ]; then
  41                 echo "Invalid mac range for $name: $ouiowneroverride $vendor $devtype $model : $LOW-$HIGH" >&2
  42                 return 1
  43         fi
  44
  45         LOWMSB=$(expr substr "$LOW" 1 6)
  46         LOWLSB=$(expr substr "$LOW" 7 6)
  47         HIGHMSB=$(expr substr "$HIGH" 1 6)
  48         HIGHLSB=$(expr substr "$HIGH" 7 6)
  49
  50         if [ -z "$LOWMSB" ] || [ -z "$LOWLSB" ] || [ -z "$HIGHMSB" ] || [ -z "$HIGHLSB" ]; then
  51                 echo "Error splitting database address strings"
  52                 return 1
  53         fi
  54
  55         MACMSB=$(expr substr "$MACNUM" 1 6)
  56         MACLSB=$(expr substr "$MACNUM" 7 6)
  57
  58         if [ -z "$MACMSB" ] || [ -z "$MACLSB" ]; then
  59                 echo "Error spliiting mac address string"
  60                 return 1
  61         fi
  62
  63         if [ -n "$ouiowneroverride" ]; then
  64             OUIOWNER="$ouiowneroverride"
  65         fi
  66         if [ $((0x$MACMSB)) -ge $((0x$LOWMSB)) ] && [ $((0x$MACMSB)) -le $((0x$HIGHMSB)) ]; then
  67                 if [ $((0x$MACLSB)) -ge $((0x$LOWLSB)) ] && [ $((0x$MACLSB)) -le $((0x$HIGHLSB)) ]; then
  68                         if [ -n "$OUTSTRING" ]; then
  69                                 echo "ERROR: We already have found information '$OUTSTRING'" >&2
  70                                 echo -n "and now we have: " >&2
  71                                 echo "$MAC | $OUIOWNER | $vendor | $devtype | $model" >&2
  72                                 return 1
  73                         else
  74                                 echo "$MAC | $OUIOWNER | $vendor | $devtype | $model"
  75                                 return 0
  76                         fi
  77                 fi
  78         fi
  79         return 0
  80 }
  81
  82 if [ ! -r "$OUIFILE" ] || [ ! -r "$IABFILE" ]; then
  83         echo "Missing IEEE Registration Authority Database.  Please run prep-devinfo"
  84         exit 1
  85 fi
  86
  87 OUI="$(echo $MAC | cut -f1-3 -d:  | sed -e 's/:/-/g' | tr abcdef ABCDEF )"
  88
  89 OUIOWNER="$(cat $OUIFILE | grep $OUI | tr -s '\t' | cut -f2- -d"$(printf '\t')" )"
  90
  91 if [ -z "$OUIOWNER" ] || [ "$OUIOWNER" = "IEEE REGISTRATION AUTHORITY" ]; then
  92         if [ -n "$(cat $IABFILE | grep $OUI)" ]; then
  93                 LOWRANGE="$(echo $MAC | cut -f4-6 -d:  | sed -e 's/://g' | tr abcdef ABCDEF )"
  94                 for range in $(cat $IABFILE |grep -E '[0-9A-F]{6}\-[0-9A-F]{6}' |cut -f1 -d"$(printf '\t')"  ); do
  95                         LOW="$(echo $range | cut -f1 -d- )"
  96                         HIGH="$(echo $range | cut -f2 -d- )"
  97                         if [ -z "$LOW" ] || [ -z "$HIGH" ]; then
  98                                 echo "Error parsing IAB table"
  99                                 exit 1
 100
 101                         fi
 102                         LOWMSB=$(expr substr "$LOW" 1 6)
 103                         LOWLSB=$(expr substr "$LOW" 7 6)
 104                         HIGHMSB=$(expr substr "$HIGH" 1 6)
 105                         HIGHLSB=$(expr substr "$HIGH" 7 6)
 106
 107                         if [ -z "$LOWMSB" ] || [ -z "$LOWLSB" ] || [ -z "$HIGHMSB" ] || [ -z "$HIGHLSB" ]; then
 108                                 echo "Error splitting registration authority IAB address strings"
 109                                 exit 1
 110                         fi
 111
 112                         MACMSB=$(expr substr "$LOWRANGE" 1 6)
 113                         MACLSB=$(expr substr "$LOWRANGE" 7 6)
 114
 115                         if [ -z "$MACMSB" ] || [ -z "$MACLSB" ]; then
 116                                 echo "Error splitting mac address string"
 117                                 exit 1
 118                         fi
 119                         if [ $((0x$MACMSB)) -ge $((0x$LOWMSB)) ] && [ $((0x$MACMSB)) -le $((0x$HIGHMSB)) ]; then
 120                                 if [ $((0x$MACLSB)) -ge $((0x$LOWLSB)) ] && [ $((0x$MACLSB)) -le $((0x$HIGHLSB)) ]; then
 121                                         OUIOWNER="$(cat $IABFILE | grep "$LOW-$HIGH" | tr -s '\t' | cut -f3- -d"$(printf '\t')" )"
 122                                         break;
 123                                 fi
 124                         fi
 125                 done
 126         fi
 127 fi
 128
 129 if [ -z "$OUIOWNER" ]; then
 130     OUIOWNER="Unknown Organization"
 131 fi
 132
 133 MACNUM="$(echo $MAC |sed -e 's/://g' | tr ABCDEF abcdef )"
 134
 135 UCI="$UCIBIN -c $UCIDEVDB"
 136 config_load $DEVDB
 137 DEVSTRING=$(config_foreach parse_override mactodevinfo)
 138
 139 SAVEDEVSTRING="$DEVSTRING"
 140
 141 UCI="$UCIBIN -c $UCICONFIG"
 142 config_load $OVERRIDETABLE
 143 DEVSTRING=$(config_foreach parse_override mactodevinfo)
 144
 145 if [ -z "$DEVSTRING" ]; then
 146     if [ -z "$SAVEDEVSTRING" ]; then
 147         echo "$MAC | $OUIOWNER | unknown | unknown | unknown"
 148     else
 149         echo "$SAVEDEVSTRING"
 150     fi
 151 else
 152     echo "$DEVSTRING"
 153 fi
 154
 155 rm -f $UCISTATE