src/initscripts/init.d/connectioncheck

   1 #!/bin/bash
   2 #
   3
   4 eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
   5
   6 # MAXRETRIES is now a count before red clear and if reconnection fail, eventually switching to a backup profil
   7 MAXCONFIGURE=160
   8 if [ ! $HOLDOFF ]; then
   9         HOLDOFF=30
  10 fi
  11
  12 # Debugging. Comment it out to stop logging
  13 DEBUG="yes"
  14 msg() {
  15         if [ "z$DEBUG" != "z" ] ; then
  16                 /usr/bin/logger -t red "Connectioncheck: $*"
  17         fi
  18         /bin/echo "$*"
  19 }
  20
  21 if [ -s "/var/ipfire/red/keepconnected" ]; then
  22         ATTEMPTS=$(/bin/cat /var/ipfire/red/keepconnected)
  23 else
  24         echo "0" > /var/ipfire/red/keepconnected
  25 fi
  26
  27 case "$1" in
  28   start)
  29         # waiting pppd start or sync timout set at 90 s when available in driver
  30         # So just wait 5 s after 'red start' end where pppd should have been started
  31         TIMETOSTART=0
  32         while ( ! /bin/ps ax | /bin/grep -q [p]ppd ); do
  33                 if [ ! -e "/var/ipfire/red/keepconnected" ]; then
  34                         # user pressed disconnect in gui
  35                         exit 0
  36                 fi
  37                 RCREDSTART=`/bin/ps ax | /bin/grep 'red start'`
  38                 if [ "$TIMETOSTART" -eq 1 ]; then
  39                         msg "fail before pppd start : no sync, trying again"
  40                         /etc/rc.d/init.d/red stop
  41                         /etc/rc.d/init.d/red clear
  42                         /etc/rc.d/init.d/red start
  43                         exit
  44                 fi
  45                 # give 5 s more at pppd to be visible  with ps ax after 'red start' end
  46                 if [ "$RCREDSTART" = '' ]; then
  47                         TIMETOSTART=1
  48                 fi
  49                 /bin/sleep 5
  50         done
  51
  52         #watching if an IP is received in $MAXCONFIGURE time to avoid some pppoa waiting forever even after LCP timeout
  53         COUNT=0
  54         while [ "$COUNT" -le "$MAXCONFIGURE" ]; do
  55                 if [ ! -e "/var/ipfire/red/keepconnected" ]; then
  56                         # user pressed disconnect in gui
  57                         exit 0
  58                 fi
  59                 if [ -e "/var/ipfire/red/active" ]; then
  60                         # connected in time so exit
  61                         echo "0" > /var/ipfire/red/keepconnected
  62                         exit 0
  63                 fi
  64                 if [ -e "/var/ipfire/red/dial-on-demand" ]; then
  65                         # Don't count time when dial-on-demand is not really connected
  66                         if ( ! /sbin/ifconfig | /bin/grep -q addr:10.64.64.64 ); then
  67                                 (( COUNT += 5 ))
  68                         fi
  69                 else
  70                         (( COUNT += 5 ))
  71                 fi
  72                 if ( ! /bin/ps ax | /bin/grep -q [p]ppd ); then
  73                         #pppd exit, so don't need to wait MAXCONFIGURE
  74                         break
  75                 fi
  76                 /bin/sleep 5
  77         done
  78         msg "RED fail to connect"
  79         RCREDSTART=`/bin/ps ax | /bin/grep 'red start' | /usr/bin/cut -f1 -d ' '`
  80         if [ "$RCREDSTART" != '' ]; then
  81                 /bin/kill "$RCREDSTART"
  82         fi
  83         # this attempt to connect fail, so retry
  84
  85         #Don't erase keepconnected because it is used to watch user actions
  86         /usr/bin/touch /var/ipfire/red/redial
  87         /etc/rc.d/init.d/red stop
  88         while ( /bin/ps ax | /bin/grep -q [p]ppd ); do
  89                 msg "waiting pppd exit"
  90                 /bin/sleep 2
  91         done
  92         /bin/sleep $HOLDOFF
  93         if [ ! -e "/var/ipfire/red/keepconnected" ]; then
  94                 # user pressed disconnect in gui
  95                 exit 0
  96         fi
  97         (( ATTEMPTS += 1 ))
  98         msg "Restarting $ATTEMPTS/$MAXRETRIES"
  99         if [ "$ATTEMPTS" -ge "$MAXRETRIES" ]; then
 100                 echo "0" > /var/ipfire/red/keepconnected
 101                 msg "Clearing RED interface"
 102                 /etc/rc.d/init.d/red clear
 103                 if [ "$BACKUPPROFILE" != '' ]; then
 104                         /bin/rm -f /var/ipfire/ppp/settings
 105                         /bin/cp "/var/ipfire/ppp/settings-$BACKUPPROFILE" /var/ipfire/ppp/settings
 106                 fi
 107         else
 108                 echo $ATTEMPTS > /var/ipfire/red/keepconnected
 109         fi
 110         /etc/rc.d/init.d/red start
 111         ;;
 112   reconnect)
 113         while ( /bin/ps ax | /bin/grep -q [p]ppd ); do
 114                 /bin/sleep 2
 115         done
 116         msg "will connect again"
 117         /etc/rc.d/init.d/red start
 118         ;;
 119   *)
 120         /bin/echo "Usage: $0 {start|reconnect}"
 121         exit 1
 122         ;;
 123 esac