RackTables git mirrors - racktables/blob - gateways/switchvlans/cisco.connector

   1 #!/bin/sh
   2
   3 [ $# = 7 ] || exit 1
   4
   5 ENDPOINT=$1
   6 HW=$2
   7 SW=$3
   8 COMMAND=$4
   9 FILE1=$5
  10 FILE2=$6
  11 FILE3=$7
  12
  13 prepare_connect_commands()
  14 {
  15         [ $# = 1 ] || exit 2
  16         local skip=yes cval found=no
  17         while read line; do
  18                 if [ "$skip" = "yes" -a "$line" = "# S-T-A-R-T" ]; then
  19                         skip=no
  20                         continue
  21                 fi
  22                 if [ "$skip" = "no" -a "$line" = "# S-T-O-P" ]; then
  23                         skip=yes
  24                         continue
  25                 fi
  26                 [ "$skip" = "yes" ] && continue
  27                 # Allow comments.
  28                 [ -z "${line###*}" ] && continue
  29
  30                 # First endpoint string/regexp match is sufficient for us.
  31                 cval=`echo $line | cut -s -d' ' -f1`
  32                 if [ -z "${1##$cval}" ]; then
  33                         found=yes
  34                         # Don't be too smart at the moment, just be able to handle
  35                         # the known-good case ;-)
  36
  37                         echo $line | cut -s -d' ' -f6 > $CMDS1
  38                         echo en >> $CMDS1
  39                         echo $line | cut -s -d' ' -f7 >> $CMDS1
  40                         # same for ports
  41                         cat "$CMDS1" > "$CMDS2"
  42                         # ...and MAC addresses
  43                         cat "$CMDS1" > "$CMDS3"
  44                         break
  45                 fi
  46         done < `dirname $0`/cisco.secrets.php
  47         [ "$found" = "yes" ] && return
  48         echo "E!connector could not find credentials for $1" >> "$FILE2"
  49         exit 3
  50 }
  51
  52 prepare_fetch_commands()
  53 {
  54         printf 'term len 0\nshow vlan brief\nquit\n' >> $CMDS1
  55         printf 'term len 0\nshow int status\nquit\n' >> $CMDS2
  56         printf 'term len 0\nshow mac-address-table dynamic\nquit\n' >> $CMDS3
  57 }
  58
  59 prepare_push_commands()
  60 {
  61         printf 'term len 0\nconf t\n' >> $CMDS1
  62         while read portname vlanid; do
  63                 if [ -z "$portname" -o -z "$vlanid" ]; then
  64                         echo "E!could not parse input in connector" >> "$FILE2"
  65                         continue
  66                 fi
  67                 if [ "$vlanid" = "trunk" ]; then
  68                         echo "E!trunking is not allowed" >> "$FILE2"
  69                         continue
  70                 fi
  71                 printf "int $portname\nswi access vlan $vlanid\nexit\n" >> $CMDS1
  72                 echo "I!Port $portname@$ENDPOINT has been assigned to VLAN $vlanid" >> "$FILE2"
  73         done < "$FILE1"
  74         printf "end\nwri\nquit\n" >> $CMDS1
  75 }
  76
  77 do_fetch()
  78 {
  79         nc $ENDPOINT 23 < $CMDS1 > "$OUT1"
  80         if fgrep -q '% Bad passwords' "$OUT1"; then
  81                 echo "E!password mismatch while trying to connect to $ENDPOINT" >> "$FILE2"
  82                 exit 4
  83         fi
  84         nc $ENDPOINT 23 < $CMDS2 > "$OUT2"
  85         nc $ENDPOINT 23 < $CMDS3 > "$OUT3"
  86         cat "$OUT1" | fgrep ' active    ' | sed -E 's/^([[:digit:]]+)[[:space:]]+(.+)[[:space:]]+active    (.*)/\1=\2/;s/[[:space:]]+$//' > $FILE1
  87         cat "$OUT2" | egrep '^(Et|Fa|Gi|Te)' | sed -E 's/^([A-Za-z/0-9]+).+(connected|notconnect|disabled) +/\1=\2,/;s/,(trunk|([0-9]+)) .*$/,\1/' > $FILE2
  88         # FIXME
  89         # Here we need to distinguish between different platforms and IOS version,
  90         # cause they produce output in different formats.
  91         if [ "$SW" = "Cisco+IOS+12.0" ]; then
  92                 cat "$OUT3" | tr -d '\r' | fgrep Dynamic | sed -E 's/ +Dynamic +([0-9]+) +(.+)/=\1@\2/;s/FastEthernet/Fa/;s/GigabitEthernet/Gi/' > "$FILE3"
  93         elif [ "$SW" = "Cisco+IOS+12.2" ]; then
  94                 case "$HW" in
  95                         Cisco+Catalyst+35*|Cisco+Catalyst+37*|Cisco+Catalyst+29*|Cisco+Catalyst+49*)
  96                                 cat "$OUT3" | tr -d '\r' | fgrep DYNAMIC | \
  97                                 sed -E 's/ +([0-9]+) +(.+)    DYNAMIC +(.+)/\2=\1@\3/;s/FastEthernet/Fa/;s/GigabitEthernet/Gi/' > "$FILE3"
  98                         ;;
  99                 esac
 100         fi
 101 }
 102
 103 do_push()
 104 {
 105         nc $ENDPOINT 23 < $CMDS1 >/dev/null
 106 }
 107
 108 remove_tempfiles()
 109 {
 110         [ -f "$CMDS1" ] && rm -f "$CMDS1"
 111         [ -f "$CMDS2" ] && rm -f "$CMDS2"
 112         [ -f "$CMDS3" ] && rm -f "$CMDS3"
 113         [ -f "$OUT1" ] && rm -f "$OUT1"
 114         [ -f "$OUT2" ] && rm -f "$OUT2"
 115         [ -f "$OUT3" ] && rm -f "$OUT3"
 116 }
 117
 118 create_tempfiles()
 119 {
 120         # This one is for VLAN list.
 121         CMDS1=`mktemp /tmp/cisco.connector.XXXX`
 122         # And this one holds ports list...
 123         CMDS2=`mktemp /tmp/cisco.connector.XXXX`
 124         # ...and one more for MAC address table
 125         CMDS3=`mktemp /tmp/cisco.connector.XXXX`
 126         # The following are buffers to hold the whole switch output
 127         # before filtering.
 128         OUT1=`mktemp /tmp/cisco.connector.XXXX`
 129         OUT2=`mktemp /tmp/cisco.connector.XXXX`
 130         OUT3=`mktemp /tmp/cisco.connector.XXXX`
 131         [ -f "$CMDS1" -a -f "$CMDS2" -a -f "$CMDS3" -a -f "$OUT1" -a -f "$OUT2" -a -f "$OUT3" ] && return
 132         echo "E!connector cannot create tempfiles" >> "$FILE2"
 133         remove_tempfiles
 134         exit 5
 135 }
 136
 137 case $COMMAND in
 138         fetch)
 139                 create_tempfiles
 140                 prepare_connect_commands $ENDPOINT
 141                 prepare_fetch_commands
 142                 do_fetch
 143                 remove_tempfiles
 144         ;;
 145         push)
 146                 create_tempfiles
 147                 prepare_connect_commands $ENDPOINT
 148                 prepare_push_commands
 149                 do_push
 150                 remove_tempfiles
 151         ;;
 152         *)
 153                 echo "E!unknown command for connector" >> "$FILE2"
 154                 exit 6
 155         ;;
 156 esac
 157
 158 exit 0