workbench/network/stacks/AROSTCP/dhcp/client/scripts/freebsd

   1 #!/bin/sh
   2 #
   3 # $Id: freebsd,v 1.1.1.1 2005/12/07 10:50:31 sonic_amiga Exp $
   4 #
   5 # $FreeBSD$
   6
   7 if [ -x /usr/bin/logger ]; then
   8         LOGGER="/usr/bin/logger -s -p user.notice -t dhclient"
   9 else
  10         LOGGER=echo
  11 fi
  12
  13 make_resolv_conf() {
  14   if [ x"$new_domain_name_servers" != x ]; then
  15     if [ "x$new_domain_name" != x ]; then
  16       ( echo search $new_domain_name >/etc/resolv.conf )
  17       exit_status=$?
  18     else
  19       if [ -e /etc/resolv.conf ] ; then
  20         ( rm /etc/resolv.conf )
  21         exit_status=$?
  22       else
  23         ( touch /etc/resolv.conf )
  24         exit_status=$?
  25       fi
  26     fi
  27     if [ $exit_status -ne 0 ]; then
  28       $LOGGER "WARNING: Unable to update resolv.conf: Error $exit_status"
  29     else
  30       for nameserver in $new_domain_name_servers; do
  31         ( echo nameserver $nameserver >>/etc/resolv.conf )
  32       done
  33     fi
  34   fi
  35 }
  36
  37 # Must be used on exit.   Invokes the local dhcp client exit hooks, if any.
  38 exit_with_hooks() {
  39   exit_status=$1
  40   if [ -f /etc/dhclient-exit-hooks ]; then
  41     . /etc/dhclient-exit-hooks
  42   fi
  43 # probably should do something with exit status of the local script
  44   exit $exit_status
  45 }
  46
  47 # Invoke the local dhcp client enter hooks, if they exist.
  48 if [ -f /etc/dhclient-enter-hooks ]; then
  49   exit_status=0
  50   . /etc/dhclient-enter-hooks
  51   # allow the local script to abort processing of this state
  52   # local script must set exit_status variable to nonzero.
  53   if [ $exit_status -ne 0 ]; then
  54     exit $exit_status
  55   fi
  56 fi
  57
  58 if [ x$new_network_number != x ]; then
  59    $LOGGER New Network Number: $new_network_number
  60 fi
  61
  62 if [ x$new_broadcast_address != x ]; then
  63  $LOGGER New Broadcast Address: $new_broadcast_address
  64   new_broadcast_arg="broadcast $new_broadcast_address"
  65 fi
  66 if [ x$old_broadcast_address != x ]; then
  67   old_broadcast_arg="broadcast $old_broadcast_address"
  68 fi
  69 if [ x$new_subnet_mask != x ]; then
  70   new_netmask_arg="netmask $new_subnet_mask"
  71 fi
  72 if [ x$old_subnet_mask != x ]; then
  73   old_netmask_arg="netmask $old_subnet_mask"
  74 fi
  75 if [ x$alias_subnet_mask != x ]; then
  76   alias_subnet_arg="netmask $alias_subnet_mask"
  77 fi
  78
  79 if [ x$reason = xMEDIUM ]; then
  80   eval "ifconfig $interface $medium"
  81   eval "ifconfig $interface inet -alias 0.0.0.0 $medium" >/dev/null 2>&1
  82   sleep 1
  83   exit_with_hooks 0
  84 fi
  85
  86 if [ x$reason = xPREINIT ]; then
  87   if [ x$alias_ip_address != x ]; then
  88     ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
  89     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
  90   fi
  91   ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \
  92                 broadcast 255.255.255.255 up
  93   exit_with_hooks 0
  94 fi
  95
  96 if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then
  97   exit_with_hooks 0;
  98 fi
  99
 100 if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || \
 101    [ x$reason = xREBIND ] || [ x$reason = xREBOOT ]; then
 102   current_hostname=`/bin/hostname`
 103   if [ x$current_hostname = x ] || \
 104      [ x$current_hostname = x$old_host_name ]; then
 105     if [ x$current_hostname = x ] || \
 106        [ x$new_host_name != x$old_host_name ]; then
 107       $LOGGER "New Hostname: $new_host_name"
 108       hostname $new_host_name
 109     fi
 110   fi
 111   if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \
 112                 [ x$alias_ip_address != x$old_ip_address ]; then
 113     ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
 114     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
 115   fi
 116   if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]
 117    then
 118     eval "ifconfig $interface inet -alias $old_ip_address $medium"
 119     route delete $old_ip_address 127.1 >/dev/null 2>&1
 120     for router in $old_routers; do
 121       route delete default $router >/dev/null 2>&1
 122     done
 123     if [ -n "$old_static_routes" ]; then
 124       set -- $old_static_routes
 125       while [ $# -gt 1 ]; do
 126         route delete $1 $2
 127         shift; shift
 128       done
 129     fi
 130     arp -n -a | sed -n -e 's/^.*(\(.*\)) at .*$/arp -d \1/p' |sh
 131   fi
 132   if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \
 133      [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then
 134     eval "ifconfig $interface inet $new_ip_address $new_netmask_arg \
 135                                         $new_broadcast_arg $medium"
 136     $LOGGER "New IP Address ($interface): $new_ip_address"
 137     $LOGGER "New Subnet Mask ($interface): $new_subnet_mask"
 138     $LOGGER "New Broadcast Address ($interface): $new_broadcast_address"
 139     if [ -n "$new_routers" ]; then
 140       $LOGGER "New Routers: $new_routers"
 141     fi
 142     route add $new_ip_address 127.1 >/dev/null 2>&1
 143     for router in $new_routers; do
 144       route add default $router >/dev/null 2>&1
 145     done
 146     if [ -n "$new_static_routes" ]; then
 147       $LOGGER "New Static Routes: $new_static_routes"
 148       set -- $new_static_routes
 149       while [ $# -gt 1 ]; do
 150         route add $1 $2
 151         shift; shift
 152       done
 153     fi
 154   fi
 155   if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ];
 156    then
 157     ifconfig $interface inet alias $alias_ip_address $alias_subnet_arg
 158     route add $alias_ip_address 127.0.0.1
 159   fi
 160   make_resolv_conf
 161   exit_with_hooks 0
 162 fi
 163
 164 if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ] || [ x$reason = xRELEASE ] \
 165    || [ x$reason = xSTOP ]; then
 166   if [ x$alias_ip_address != x ]; then
 167     ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
 168     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
 169   fi
 170   if [ x$old_ip_address != x ]; then
 171     eval "ifconfig $interface inet -alias $old_ip_address $medium"
 172     route delete $old_ip_address 127.1 >/dev/null 2>&1
 173     for router in $old_routers; do
 174       route delete default $router >/dev/null 2>&1
 175     done
 176     if [ -n "$old_static_routes" ]; then
 177       set -- $old_static_routes
 178       while [ $# -gt 1 ]; do
 179         route delete $1 $2
 180         shift; shift
 181       done
 182     fi
 183     arp -n -a | sed -n -e 's/^.*(\(.*\)) at .*$/arp -d \1/p' \
 184                                                 |sh >/dev/null 2>&1
 185   fi
 186   if [ x$alias_ip_address != x ]; then
 187     ifconfig $interface inet alias $alias_ip_address $alias_subnet_arg
 188     route add $alias_ip_address 127.0.0.1
 189   fi
 190   exit_with_hooks 0
 191 fi
 192
 193 if [ x$reason = xTIMEOUT ]; then
 194   if [ x$alias_ip_address != x ]; then
 195     ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
 196     route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
 197   fi
 198   eval "ifconfig $interface inet $new_ip_address $new_netmask_arg \
 199                                         $new_broadcast_arg $medium"
 200   $LOGGER "New IP Address ($interface): $new_ip_address"
 201   $LOGGER "New Subnet Mask ($interface): $new_subnet_mask"
 202   $LOGGER "New Broadcast Address ($interface): $new_broadcast_address"
 203   sleep 1
 204   if [ -n "$new_routers" ]; then
 205     $LOGGER "New Routers: $new_routers"
 206     set -- $new_routers
 207     if ping -q -c 1 $1; then
 208       if [ x$new_ip_address != x$alias_ip_address ] && \
 209                         [ x$alias_ip_address != x ]; then
 210         ifconfig $interface inet alias $alias_ip_address $alias_subnet_arg
 211         route add $alias_ip_address 127.0.0.1
 212       fi
 213       route add $new_ip_address 127.1 >/dev/null 2>&1
 214       for router in $new_routers; do
 215         route add default $router >/dev/null 2>&1
 216       done
 217       set -- $new_static_routes
 218       while [ $# -gt 1 ]; do
 219         route add $1 $2
 220         shift; shift
 221       done
 222       make_resolv_conf
 223       exit_with_hooks 0
 224     fi
 225   fi
 226   eval "ifconfig $interface inet -alias $new_ip_address $medium"
 227   for router in $old_routers; do
 228     route delete default $router >/dev/null 2>&1
 229   done
 230   if [ -n "$old_static_routes" ]; then
 231     set -- $old_static_routes
 232     while [ $# -gt 1 ]; do
 233       route delete $1 $2
 234       shift; shift
 235     done
 236   fi
 237   arp -n -a | sed -n -e 's/^.*(\(.*\)) at .*$/arp -d \1/p' \
 238                                                         |sh >/dev/null 2>&1
 239   exit_with_hooks 1
 240 fi
 241
 242 exit_with_hooks 0