dist/dhcp/client/scripts/solaris

   1 #!/bin/sh
   2
   3 make_resolv_conf() {
   4   if [ "x$new_domain_name" != x ] && [ x"$new_domain_name_servers" != x ]; then
   5     echo search $new_domain_name >/etc/resolv.conf
   6     for nameserver in $new_domain_name_servers; do
   7       echo nameserver $nameserver >>/etc/resolv.conf
   8     done
   9   fi
  10 }
  11
  12 # Must be used on exit.   Invokes the local dhcp client exit hooks, if any.
  13 exit_with_hooks() {
  14   exit_status=$1
  15   if [ -f /etc/dhclient-exit-hooks ]; then
  16     . /etc/dhclient-exit-hooks
  17   fi
  18 # probably should do something with exit status of the local script
  19   exit $exit_status
  20 }
  21
  22 # Invoke the local dhcp client enter hooks, if they exist.
  23 if [ -f /etc/dhclient-enter-hooks ]; then
  24   exit_status=0
  25   . /etc/dhclient-enter-hooks
  26   # allow the local script to abort processing of this state
  27   # local script must set exit_status variable to nonzero.
  28   if [ $exit_status -ne 0 ]; then
  29     exit $exit_status
  30   fi
  31 fi
  32
  33 if [ x$new_broadcast_address != x ]; then
  34   new_broadcast_arg="broadcast $new_broadcast_address"
  35 fi
  36 if [ x$old_broadcast_address != x ]; then
  37   old_broadcast_arg="broadcast $old_broadcast_address"
  38 fi
  39 if [ x$new_subnet_mask != x ]; then
  40   new_netmask_arg="netmask $new_subnet_mask"
  41 fi
  42 if [ x$old_subnet_mask != x ]; then
  43   old_netmask_arg="netmask $old_subnet_mask"
  44 fi
  45 if [ x$alias_subnet_mask != x ]; then
  46   alias_subnet_arg="netmask $alias_subnet_mask"
  47 fi
  48
  49 ifconfig=/sbin/ifconfig
  50
  51 release=`uname -r`
  52 release=`expr $release : '\(.*\)\..*'`
  53 relmajor=`echo $release |sed -e 's/^\([^\.]*\)\..*$/\1/'`
  54 relminor=`echo $release |sed -e 's/^.*\.\([^\.]*\)$/\1/'`
  55
  56 if [ x$reason = xMEDIUM ]; then
  57   eval "$ifconfig $interface $medium"
  58   $ifconfig $interface
  59   sleep 1
  60   exit_with_hooks 0
  61 fi
  62
  63 if [ x$reason = xPREINIT ]; then
  64   if [ x$alias_ip_address != x ]; then
  65     $ifconfig ${interface}:1 0 down > /dev/null 2>&1
  66     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
  67   fi
  68   if [ $relmajor -gt 5 ] || ( [ $relmajor -eq 5 ] && [ $relminor -ge 5 ] )
  69   then
  70           # Turn the interface on
  71           $ifconfig $interface plumb
  72           $ifconfig $interface up
  73   else
  74       $ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \
  75               broadcast 255.255.255.255 up
  76   fi
  77   exit_with_hooks 0
  78 fi
  79
  80 if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then
  81   exit_with_hooks 0;
  82 fi
  83
  84 if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || \
  85    [ x$reason = xREBIND ] || [ x$reason = xREBOOT ]; then
  86   current_hostname=`hostname`
  87   if [ x$current_hostname = x ] || \
  88      [ x$current_hostname = x$old_host_name ]; then
  89     if [ x$current_hostname = x ] || \
  90        [ x$new_host_name != x$old_host_name ]; then
  91       hostname $new_host_name
  92     fi
  93   fi
  94
  95   if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \
  96                 [ x$alias_ip_address != x$old_ip_address ]; then
  97     $ifconfig ${interface}:1 inet 0 down > /dev/null 2>&1
  98     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
  99   fi
 100   if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]; then
 101     $ifconfig ${interface} inet 0 down
 102     route delete $old_ip_address 127.1 >/dev/null 2>&1
 103     for router in $old_routers; do
 104       route delete default $router >/dev/null 2>&1
 105     done
 106   fi
 107   if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
 108      [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
 109     eval "$ifconfig $interface inet $new_ip_address $new_netmask_arg \
 110                                         $new_broadcast_arg $medium"
 111     route add $new_ip_address 127.1 1 >/dev/null 2>&1
 112     for router in $new_routers; do
 113       route add default $router 1 >/dev/null 2>&1
 114     done
 115   fi
 116   if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ];
 117    then
 118     $ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
 119     route add $alias_ip_address 127.0.0.1 1
 120   fi
 121   make_resolv_conf
 122   exit_with_hooks 0
 123 fi
 124
 125 if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ] || [ x$reason = xRELEASE ] \
 126    || [ x$reason = xSTOP ]; then
 127   if [ x$alias_ip_address != x ]; then
 128     $ifconfig ${interface}:1 0 down > /dev/null 2>&1
 129     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
 130   fi
 131   if [ x$old_ip_address != x ]; then
 132     $ifconfig $interface inet 0 down
 133     route delete $old_ip_address 127.1 >/dev/null 2>&1
 134     for router in $old_routers; do
 135       route delete default $router >/dev/null 2>&1
 136     done
 137   fi
 138   if [ x$alias_ip_address != x ]; then
 139     $ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
 140     route add $alias_ip_address 127.0.0.1 1
 141   fi
 142   exit_with_hooks 0
 143 fi
 144
 145 if [ x$reason = xTIMEOUT ]; then
 146   if [ x$alias_ip_address != x ]; then
 147     $ifconfig ${interface}:1 0 down > /dev/null 2>&1
 148     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
 149   fi
 150   eval "$ifconfig $interface inet $new_ip_address $new_netmask_arg \
 151                                         $new_broadcast_arg $medium"
 152   sleep 1
 153   set $new_routers
 154   if ping -s -n -I 1 $1 64 1; then
 155     if [ x$new_ip_address != x$alias_ip_address ] && \
 156                         [ x$alias_ip_address != x ]; then
 157       $ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
 158       route add $alias_ip_address 127.0.0.1 1
 159     fi
 160     route add $new_ip_address 127.1 1 >/dev/null 2>&1
 161     for router in $new_routers; do
 162       route add default $router 1 >/dev/null 2>&1
 163     done
 164     make_resolv_conf
 165     exit_with_hooks 0
 166   fi
 167   $ifconfig $interface inet 0 down
 168   for router in $old_routers; do
 169     route delete default $router >/dev/null 2>&1
 170   done
 171   exit_with_hooks 1
 172 fi
 173
 174 exit_with_hooks 0