client/scripts/solaris

   1 #!/bin/sh
   2
   3 make_resolv_conf() {
   4   if [ x"$new_domain_name_servers" != x ]; then
   5     cat /dev/null > /etc/resolv.conf.dhclient
   6     if [ x"$new_domain_search" != x ]; then
   7       echo search $new_domain_search >> /etc/resolv.conf.dhclient
   8     elif [ x"$new_domain_name" != x ]; then
   9       # Note that the DHCP 'Domain Name Option' is really just a domain
  10       # name, and that this practice of using the domain name option as
  11       # a search path is both nonstandard and deprecated.
  12       echo search $new_domain_name >> /etc/resolv.conf.dhclient
  13     fi
  14     for nameserver in $new_domain_name_servers; do
  15       echo nameserver $nameserver >>/etc/resolv.conf.dhclient
  16     done
  17
  18     mv /etc/resolv.conf.dhclient /etc/resolv.conf
  19   fi
  20 }
  21
  22 # Must be used on exit.   Invokes the local dhcp client exit hooks, if any.
  23 exit_with_hooks() {
  24   exit_status=$1
  25   if [ -f /etc/dhclient-exit-hooks ]; then
  26     . /etc/dhclient-exit-hooks
  27   fi
  28 # probably should do something with exit status of the local script
  29   exit $exit_status
  30 }
  31
  32 # Invoke the local dhcp client enter hooks, if they exist.
  33 if [ -f /etc/dhclient-enter-hooks ]; then
  34   exit_status=0
  35   . /etc/dhclient-enter-hooks
  36   # allow the local script to abort processing of this state
  37   # local script must set exit_status variable to nonzero.
  38   if [ $exit_status -ne 0 ]; then
  39     exit $exit_status
  40   fi
  41 fi
  42
  43 if [ x$new_broadcast_address != x ]; then
  44   new_broadcast_arg="broadcast $new_broadcast_address"
  45 fi
  46 if [ x$old_broadcast_address != x ]; then
  47   old_broadcast_arg="broadcast $old_broadcast_address"
  48 fi
  49 if [ x$new_subnet_mask != x ]; then
  50   new_netmask_arg="netmask $new_subnet_mask"
  51 fi
  52 if [ x$old_subnet_mask != x ]; then
  53   old_netmask_arg="netmask $old_subnet_mask"
  54 fi
  55 if [ x$alias_subnet_mask != x ]; then
  56   alias_subnet_arg="netmask $alias_subnet_mask"
  57 fi
  58
  59 ifconfig=/sbin/ifconfig
  60
  61 release=`uname -r`
  62 release=`expr $release : '\(.*\)\..*'`
  63 relmajor=`echo $release |sed -e 's/^\([^\.]*\)\..*$/\1/'`
  64 relminor=`echo $release |sed -e 's/^.*\.\([^\.]*\)$/\1/'`
  65
  66 if [ x$reason = xMEDIUM ]; then
  67   eval "$ifconfig $interface $medium"
  68   $ifconfig $interface
  69   sleep 1
  70   exit_with_hooks 0
  71 fi
  72
  73 if [ x$reason = xPREINIT ]; then
  74   if [ x$alias_ip_address != x ]; then
  75     $ifconfig ${interface}:1 0 down > /dev/null 2>&1
  76     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
  77   fi
  78   if [ $relmajor -gt 5 ] || ( [ $relmajor -eq 5 ] && [ $relminor -ge 5 ] )
  79   then
  80           # Turn the interface on
  81           $ifconfig $interface plumb
  82           $ifconfig $interface up
  83   else
  84       $ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \
  85               broadcast 255.255.255.255 up
  86   fi
  87   exit_with_hooks 0
  88 fi
  89
  90 if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then
  91   exit_with_hooks 0;
  92 fi
  93
  94 if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || \
  95    [ x$reason = xREBIND ] || [ x$reason = xREBOOT ]; then
  96   current_hostname=`hostname`
  97   if [ x$current_hostname = x ] || \
  98      [ x$current_hostname = x$old_host_name ]; then
  99     if [ x$current_hostname = x ] || \
 100        [ x$new_host_name != x$old_host_name ]; then
 101       hostname $new_host_name
 102     fi
 103   fi
 104
 105   if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \
 106                 [ x$alias_ip_address != x$old_ip_address ]; then
 107     $ifconfig ${interface}:1 inet 0 down > /dev/null 2>&1
 108     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
 109   fi
 110   if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]; then
 111     $ifconfig ${interface} inet 0 down
 112     route delete $old_ip_address 127.1 >/dev/null 2>&1
 113     for router in $old_routers; do
 114       route delete default $router >/dev/null 2>&1
 115     done
 116   fi
 117   if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
 118      [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
 119     eval "$ifconfig $interface inet $new_ip_address $new_netmask_arg \
 120                                         $new_broadcast_arg $medium"
 121     route add $new_ip_address 127.1 1 >/dev/null 2>&1
 122     for router in $new_routers; do
 123       route add default $router 1 >/dev/null 2>&1
 124     done
 125   fi
 126   if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ];
 127    then
 128     $ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
 129     route add $alias_ip_address 127.0.0.1 1
 130   fi
 131   make_resolv_conf
 132   exit_with_hooks 0
 133 fi
 134
 135 if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ] || [ x$reason = xRELEASE ] \
 136    || [ x$reason = xSTOP ]; then
 137   if [ x$alias_ip_address != x ]; then
 138     $ifconfig ${interface}:1 0 down > /dev/null 2>&1
 139     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
 140   fi
 141   if [ x$old_ip_address != x ]; then
 142     $ifconfig $interface inet 0 down
 143     route delete $old_ip_address 127.1 >/dev/null 2>&1
 144     for router in $old_routers; do
 145       route delete default $router >/dev/null 2>&1
 146     done
 147   fi
 148   if [ x$alias_ip_address != x ]; then
 149     $ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
 150     route add $alias_ip_address 127.0.0.1 1
 151   fi
 152   exit_with_hooks 0
 153 fi
 154
 155 if [ x$reason = xTIMEOUT ]; then
 156   if [ x$alias_ip_address != x ]; then
 157     $ifconfig ${interface}:1 0 down > /dev/null 2>&1
 158     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
 159   fi
 160   eval "$ifconfig $interface inet $new_ip_address $new_netmask_arg \
 161                                         $new_broadcast_arg $medium"
 162   sleep 1
 163   set $new_routers
 164   if ping -s -n -I 1 $1 64 1; then
 165     if [ x$new_ip_address != x$alias_ip_address ] && \
 166                         [ x$alias_ip_address != x ]; then
 167       $ifconfig ${interface}:1 inet $alias_ip_address $alias_subnet_arg
 168       route add $alias_ip_address 127.0.0.1 1
 169     fi
 170     route add $new_ip_address 127.1 1 >/dev/null 2>&1
 171     for router in $new_routers; do
 172       route add default $router 1 >/dev/null 2>&1
 173     done
 174     make_resolv_conf
 175     exit_with_hooks 0
 176   fi
 177   $ifconfig $interface inet 0 down
 178   for router in $old_routers; do
 179     route delete default $router >/dev/null 2>&1
 180   done
 181   exit_with_hooks 1
 182 fi
 183
 184 exit_with_hooks 0