mirror of
https://git.FreeBSD.org/ports.git
synced 2024-12-06 01:57:40 +00:00
bf45d386a1
PR: 68357 Submitted by: Cyrille Lefevre <cyrille.lefevre@laposte.net> (maintainer)
511 lines
11 KiB
Bash
511 lines
11 KiB
Bash
#!/bin/sh
|
|
|
|
#############################################################################
|
|
#
|
|
# Copyright (c) 1999, MindStep Corporation
|
|
# All rights reserved.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions
|
|
# are met:
|
|
# 1. Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
# 2. Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
# SUCH DAMAGE.
|
|
#
|
|
#
|
|
#############################################################################
|
|
#
|
|
# This script was written by Patrick Bihan-Faou, patrick@mindstep.com,
|
|
# Please contact us for bug reports, etc.
|
|
#
|
|
#############################################################################
|
|
# $MindStep_Id: dhclient-script.sh,v 1.8 1999/12/07 22:11:08 patrick Exp $
|
|
# $MindStep_Tag: CONTRIB_19991207 $
|
|
# from FreeBSD: src/sbin/dhclient/dhclient-script.sh,v 1.2 2002/02/01 18:46:58 alfred Exp
|
|
# $FreeBSD$
|
|
#############################################################################
|
|
|
|
|
|
#############################################################################
|
|
# hook functions prototypes
|
|
#
|
|
# The "pre_state_XXX_hook" functions are called before the main
|
|
# work is done for the state XXX
|
|
#
|
|
# The "post_state_XXX_hook" functions are called after the main
|
|
# work is done for the state XXX
|
|
#
|
|
# These functions are meant to be overridden by the user's
|
|
# dhclient-enter-hooks file
|
|
#############################################################################
|
|
|
|
pre_state_MEDIUM_hook () { }
|
|
pre_state_PREINIT_hook () { }
|
|
pre_state_ARPCHECK_hook () { }
|
|
pre_state_ARPSEND_hook () { }
|
|
pre_state_RENEW_hook () { }
|
|
pre_state_REBIND_hook () { }
|
|
pre_state_BOUND_hook () { }
|
|
pre_state_REBOOT_hook () { }
|
|
pre_state_EXPIRE_hook () { }
|
|
pre_state_FAIL_hook () { }
|
|
pre_state_TIMEOUT_hook () { }
|
|
post_state_MEDIUM_hook () { }
|
|
post_state_PREINIT_hook () { }
|
|
post_state_ARPCHECK_hook () { }
|
|
post_state_ARPSEND_hook () { }
|
|
post_state_RENEW_hook () { }
|
|
post_state_REBIND_hook () { }
|
|
post_state_BOUND_hook () { }
|
|
post_state_REBOOT_hook () { }
|
|
post_state_EXPIRE_hook () { }
|
|
post_state_FAIL_hook () { }
|
|
post_state_TIMEOUT_hook () { }
|
|
|
|
#############################################################################
|
|
# make_resolv_conf
|
|
#
|
|
# This function is called to update the information related to the
|
|
# DNS configuration (the resolver part)
|
|
#############################################################################
|
|
make_resolv_conf ()
|
|
{
|
|
if [ "x$new_domain_name" != x ] && [ "x$new_domain_name_servers" != x ]; then
|
|
echo search $new_domain_name >/etc/resolv.conf
|
|
for nameserver in $new_domain_name_servers; do
|
|
echo nameserver $nameserver >>/etc/resolv.conf
|
|
done
|
|
fi
|
|
}
|
|
|
|
#############################################################################
|
|
# set_XXX
|
|
# unset_XXX
|
|
#
|
|
# These function each deal with one particular setting.
|
|
# They are OS dependent and may be overridden in the
|
|
# dhclient-enter-hooks file if needed.
|
|
#
|
|
# These functions are called with either "new" or "old" to indicate which
|
|
# set of variables to use (new_ip_address or old_ip_address...)
|
|
#
|
|
#############################################################################
|
|
|
|
update_hostname ()
|
|
{
|
|
local current_hostname=`/bin/hostname`
|
|
|
|
if [ "$current_hostname" = "" ] || \
|
|
[ "$current_hostname" = "$old_host_name" ]
|
|
then
|
|
if [ "$new_host_name" != "$old_host_name" ]
|
|
then
|
|
$LOGGER "New Hostname: $new_host_name"
|
|
hostname $new_host_name
|
|
fi
|
|
fi
|
|
}
|
|
|
|
set_ip_address ()
|
|
{
|
|
local ip
|
|
local mask
|
|
local bcast
|
|
|
|
if [ $# -lt 1 ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
eval ip="\$${1}_ip_address"
|
|
eval mask="\$${1}_subnet_mask"
|
|
eval bcast="\$${1}_broadcast_address"
|
|
|
|
if [ "$ip" != "" ]
|
|
then
|
|
ifconfig $interface inet $ip netmask $mask broadcast $bcast $medium
|
|
# route add $ip 127.0.0.1 > /dev/null 2>&1
|
|
fi
|
|
}
|
|
|
|
unset_ip_address ()
|
|
{
|
|
local ip
|
|
|
|
if [ $# -lt 1 ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
eval ip="\$${1}_ip_address"
|
|
|
|
if [ "$ip" != "" ]
|
|
then
|
|
ifconfig $interface inet -alias $ip $medium
|
|
# route delete $ip 127.0.0.1 > /dev/null 2>&1
|
|
fi
|
|
}
|
|
|
|
set_ip_alias ()
|
|
{
|
|
if [ "$alias_ip_address" != "" ]
|
|
then
|
|
ifconfig $interface inet alias $alias_ip_address netmask $alias_subnet_mask
|
|
# route add $alias_ip_address 127.0.0.1
|
|
fi
|
|
}
|
|
|
|
unset_ip_alias ()
|
|
{
|
|
if [ "$alias_ip_address" != "" ]
|
|
then
|
|
ifconfig $interface inet -alias $alias_ip_address > /dev/null 2>&1
|
|
# route delete $alias_ip_address 127.0.0.1 > /dev/null 2>&1
|
|
fi
|
|
}
|
|
|
|
set_routers ()
|
|
{
|
|
local router_list
|
|
|
|
if [ $# -lt 1 ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
eval router_list="\$${1}_routers"
|
|
|
|
for router in $router_list
|
|
do
|
|
route add default $router >/dev/null 2>&1
|
|
done
|
|
}
|
|
|
|
unset_routers ()
|
|
{
|
|
local router_list
|
|
|
|
if [ $# -lt 1 ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
eval router_list="\$${1}_routers"
|
|
|
|
for router in $router_list
|
|
do
|
|
route delete default $router >/dev/null 2>&1
|
|
done
|
|
}
|
|
|
|
set_static_routes ()
|
|
{
|
|
local static_routes
|
|
|
|
if [ $# -lt 1 ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
eval static_routes="\$${1}_static_routes"
|
|
|
|
set static_routes
|
|
|
|
while [ $# -ge 2 ]
|
|
do
|
|
$LOGGER "New Static Route: $1 -> $2"
|
|
route add $1 $2
|
|
shift; shift
|
|
done
|
|
}
|
|
|
|
unset_static_routes ()
|
|
{
|
|
local static_routes
|
|
|
|
if [ $# -lt 1 ]
|
|
then
|
|
return 1
|
|
fi
|
|
|
|
eval static_routes="\$${1}_static_routes"
|
|
|
|
set static_routes
|
|
|
|
while [ $# -ge 2 ]
|
|
do
|
|
route delete $1 $2
|
|
shift; shift
|
|
done
|
|
}
|
|
|
|
#############################################################################
|
|
#
|
|
# utility functions grouping what needs to be done in logical units.
|
|
#
|
|
#############################################################################
|
|
|
|
set_all ()
|
|
{
|
|
set_ip_address new
|
|
set_routers new
|
|
set_static_routes new
|
|
|
|
if [ "$new_ip_address" != "$alias_ip_address" ]
|
|
then
|
|
set_ip_alias
|
|
fi
|
|
}
|
|
|
|
set_others ()
|
|
{
|
|
update_hostname
|
|
make_resolv_conf
|
|
}
|
|
|
|
clear_arp_table ()
|
|
{
|
|
arp -d -a
|
|
}
|
|
|
|
unset_all ()
|
|
{
|
|
if [ "$alias_ip_address" != "$old_ip_address" ]
|
|
then
|
|
unset_ip_alias
|
|
fi
|
|
|
|
if [ "$old_ip_address" != "" ]
|
|
then
|
|
unset_ip_address old
|
|
unset_routers old
|
|
unset_static_routes old
|
|
clear_arp_table
|
|
fi
|
|
}
|
|
|
|
test_new_lease ()
|
|
{
|
|
local rc
|
|
|
|
set $new_routers
|
|
|
|
if [ $# -ge 1 ]
|
|
then
|
|
set_ip_address new
|
|
if ping -q -c 1 $1
|
|
then
|
|
rc=0
|
|
else
|
|
rc=1
|
|
fi
|
|
unset_ip_address new
|
|
else
|
|
rc=1
|
|
fi
|
|
return $rc
|
|
}
|
|
|
|
#############################################################################
|
|
# Main State functions.
|
|
#
|
|
# There is a state function for each state of the DHCP client
|
|
# These functions are OS specific and should be be tampered with.
|
|
#############################################################################
|
|
|
|
in_state_MEDIUM ()
|
|
{
|
|
ifconfig $interface $medium
|
|
ifconfig $interface inet -alias 0.0.0.0 $medium >/dev/null 2>&1
|
|
sleep 1
|
|
exit_status=0
|
|
}
|
|
|
|
in_state_PREINIT ()
|
|
{
|
|
unset_ip_alias
|
|
|
|
ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \
|
|
broadcast 255.255.255.255 up
|
|
exit_status=0
|
|
}
|
|
|
|
in_state_ARPCHECK ()
|
|
{
|
|
exit_status=0
|
|
}
|
|
|
|
in_state_ARPSEND ()
|
|
{
|
|
exit_status=0
|
|
}
|
|
|
|
in_state_RENEW ()
|
|
{
|
|
if [ "$old_ip_address" != "$new_ip_address" ]
|
|
then
|
|
unset_all
|
|
set_all
|
|
fi
|
|
|
|
set_others
|
|
}
|
|
|
|
in_state_REBIND () {
|
|
in_state_RENEW
|
|
}
|
|
|
|
in_state_BOUND () {
|
|
unset_all
|
|
set_all
|
|
set_others
|
|
}
|
|
|
|
in_state_REBOOT () {
|
|
in_state_BOUND
|
|
}
|
|
|
|
in_state_EXPIRE ()
|
|
{
|
|
unset_all
|
|
set_ip_alias
|
|
exit_status=0
|
|
}
|
|
|
|
in_state_FAIL () {
|
|
in_state_EXPIRE
|
|
}
|
|
|
|
in_state_TIMEOUT ()
|
|
{
|
|
unset_all
|
|
|
|
if test_new_lease
|
|
then
|
|
set_all
|
|
set_others
|
|
else
|
|
$LOGGER "No good lease information in TIMEOUT state"
|
|
set_ip_alias
|
|
exit_status=1
|
|
fi
|
|
}
|
|
|
|
#############################################################################
|
|
# Main functions:
|
|
#
|
|
# dhclient_script_init() parses the optional "enter_hooks" script which can
|
|
# override any of the state functions
|
|
#
|
|
# This function also parses the variables and notifies the detected changes.
|
|
#############################################################################
|
|
dhclient_script_init ()
|
|
{
|
|
if [ "$new_network_number" != "" ]
|
|
then
|
|
$LOGGER "New Network Number: $new_network_number"
|
|
fi
|
|
|
|
if [ "$new_ip_address" != "" ]
|
|
then
|
|
$LOGGER "New IP Address: $new_ip_address"
|
|
fi
|
|
|
|
if [ "$new_broadcast_address" != "" ]
|
|
then
|
|
$LOGGER "New Broadcast Address: $new_broadcast_address"
|
|
fi
|
|
|
|
if [ "$new_subnet_mask" != "" ]
|
|
then
|
|
$LOGGER "New Subnet Mask for $interface: $new_subnet_mask"
|
|
fi
|
|
|
|
if [ "$alias_subnet_mask" != "" ]
|
|
then
|
|
fi
|
|
}
|
|
|
|
#############################################################################
|
|
# dhclient_main() does the appropriate work depending on the state of
|
|
# the dhcp client
|
|
#############################################################################
|
|
dhclient_script_main ()
|
|
{
|
|
# set -x
|
|
exit_status=0
|
|
|
|
case $reason in
|
|
MEDIUM|\
|
|
PREINIT|\
|
|
ARPCHECK|\
|
|
ARPSEND|\
|
|
RENEW|\
|
|
REBIND|\
|
|
BOUND|\
|
|
REBOOT|\
|
|
EXPIRE|\
|
|
FAIL|\
|
|
TIMEOUT)
|
|
pre_state_${reason}_hook
|
|
in_state_${reason}
|
|
post_state_${reason}_hook
|
|
;;
|
|
*)
|
|
$LOGGER "dhclient-script called with invalid reason $reason"
|
|
exit_status=1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
#############################################################################
|
|
# Let's do the work...
|
|
#############################################################################
|
|
|
|
if [ -x /usr/bin/logger ]; then
|
|
LOGGER="/usr/bin/logger -s -p user.notice -t dhclient"
|
|
else
|
|
LOGGER=echo
|
|
fi
|
|
|
|
# Invoke the local dhcp client enter hooks, if they exist.
|
|
if [ -x %%PREFIX%%/etc/dhclient-enter-hooks ]
|
|
then
|
|
exit_status=0
|
|
. %%PREFIX%%/etc/dhclient-enter-hooks
|
|
# allow the local script to abort processing of this state
|
|
# local script must set exit_status variable to nonzero.
|
|
if [ $exit_status -ne 0 ]
|
|
then
|
|
exit $exit_status
|
|
fi
|
|
fi
|
|
|
|
dhclient_script_init
|
|
dhclient_script_main
|
|
|
|
# Invokes the local dhcp client exit hooks, if any.
|
|
if [ -x %%PREFIX%%/etc/dhclient-exit-hooks ]; then
|
|
. %%PREFIX%%/etc/dhclient-exit-hooks
|
|
fi
|
|
|
|
exit $exit_status
|
|
|
|
#############################################################################
|
|
# That's all folks
|
|
#############################################################################
|