diff --git a/dhcpd-conf-to-ldap b/dhcpd-conf-to-ldap deleted file mode 100755 index d68d41a..0000000 --- a/dhcpd-conf-to-ldap +++ /dev/null @@ -1,517 +0,0 @@ -#!/usr/bin/perl -w - -# Brian Masney -# To use this script, set your base DN below. Then run -# ./dhcpd-conf-to-ldap.pl < /path-to-dhcpd-conf/dhcpd.conf > output-file -# The output of this script will generate entries in LDIF format. You can use -# the slapadd command to add these entries into your LDAP server. You will -# definately want to double check that your LDAP entries are correct before -# you load them into LDAP. - -# This script does not do much error checking. Make sure before you run this -# that the DHCP server doesn't give any errors about your config file - -use Sys::Hostname; - -my $basedn = "dc=ntelos, dc=net"; - -sub next_token -{ - local ($lowercase) = @_; - local ($token, $newline); - - do - { - if (!defined ($line) || length ($line) == 0) - { - $line = <>; - return undef if !defined ($line); - chop $line; - $line_number++; - $token_number = 0; - } - - $line =~ s/#.*//; - $line =~ s/^\s+//; - $line =~ s/\s+$//; - } - while (length ($line) == 0); - - if (($token, $newline) = $line =~ /^(.*?)\s+(.*)/) - { - $line = $newline; - } - else - { - $token = $line; - $line = ''; - } - $token_number++; - - $token =~ y/[A-Z]/[a-z]/ if $lowercase; - - return ($token); -} - - -sub remaining_line -{ - local ($tmp, $str); - - $str = ""; - while (($tmp = next_token (0))) - { - $str .= ' ' if !($str eq ""); - $str .= $tmp; - last if $tmp =~ /;\s*$/; - } - - $str =~ s/;$//; - return ($str); -} - - -sub -add_dn_to_stack -{ - local ($dn) = @_; - - $current_dn = "$dn, $current_dn"; -} - - -sub -remove_dn_from_stack -{ - $current_dn =~ s/^.*?,\s*//; -} - - -sub -parse_error -{ - print "Parse error on line number $line_number at token number $token_number\n"; - exit (1); -} - - -sub -print_entry -{ - return if (scalar keys %curentry == 0); - - if (!defined ($curentry{'type'})) - { - $host = hostname (); - $hostdn = "cn=$host, $basedn"; - print "dn: $hostdn\n"; - print "objectClass: top\n"; - print "objectClass: dhcpServer\n"; - print "cn: $host\n"; - print "dhcpServiceDN: $current_dn\n\n"; - - print "dn: $current_dn\n"; - print "cn: DHCP Config\n"; - print "objectClass: top\n"; - print "objectClass: dhcpService\n"; - if (defined ($curentry{'options'})) - { - print "objectClass: dhcpOptions\n"; - } - print "dhcpPrimaryDN: $hostdn\n"; - } - elsif ($curentry{'type'} eq 'subnet') - { - print "dn: $current_dn\n"; - print "cn: " . $curentry{'ip'} . "\n"; - print "objectClass: top\n"; - print "objectClass: dhcpSubnet\n"; - if (defined ($curentry{'options'})) - { - print "objectClass: dhcpOptions\n"; - } - - print "dhcpNetMask: " . $curentry{'netmask'} . "\n"; - if (defined ($curentry{'range'})) - { - print "dhcpRange: " . $curentry{'range'} . "\n"; - } - } - elsif ($curentry{'type'} eq 'shared-network') - { - print "dn: $current_dn\n"; - print "cn: " . $curentry{'descr'} . "\n"; - print "objectClass: top\n"; - print "objectClass: dhcpSharedNetwork\n"; - if (defined ($curentry{'options'})) - { - print "objectClass: dhcpOptions\n"; - } - } - elsif ($curentry{'type'} eq 'group') - { - print "dn: $current_dn\n"; - print "cn: group\n"; - print "objectClass: top\n"; - print "objectClass: dhcpGroup\n"; - if (defined ($curentry{'options'})) - { - print "objectClass: dhcpOptions\n"; - } - } - elsif ($curentry{'type'} eq 'host') - { - print "dn: $current_dn\n"; - print "cn: " . $curentry{'host'} . "\n"; - print "objectClass: top\n"; - print "objectClass: dhcpHost\n"; - if (defined ($curentry{'options'})) - { - print "objectClass: dhcpOptions\n"; - } - - if (defined ($curentry{'hwaddress'})) - { - print "dhcpHWAddress: " . $curentry{'hwaddress'} . "\n"; - } - } - elsif ($curentry{'type'} eq 'pool') - { - print "dn: $current_dn\n"; - print "cn: pool\n"; - print "objectClass: top\n"; - print "objectClass: dhcpPool\n"; - if (defined ($curentry{'options'})) - { - print "objectClass: dhcpOptions\n"; - } - - if (defined ($curentry{'range'})) - { - print "dhcpRange: " . $curentry{'range'} . "\n"; - } - } - elsif ($curentry{'type'} eq 'class') - { - print "dn: $current_dn\n"; - print "cn: " . $curentry{'class'} . "\n"; - print "objectClass: top\n"; - print "objectClass: dhcpClass\n"; - if (defined ($curentry{'options'})) - { - print "objectClass: dhcpOptions\n"; - } - } - elsif ($curentry{'type'} eq 'subclass') - { - print "dn: $current_dn\n"; - print "cn: " . $curentry{'subclass'} . "\n"; - print "objectClass: top\n"; - print "objectClass: dhcpSubClass\n"; - if (defined ($curentry{'options'})) - { - print "objectClass: dhcpOptions\n"; - } - print "dhcpClassData: " . $curentry{'class'} . "\n"; - } - - if (defined ($curentry{'statements'})) - { - foreach $statement (@{$curentry{'statements'}}) - { - print "dhcpStatements: $statement\n"; - } - } - - if (defined ($curentry{'options'})) - { - foreach $statement (@{$curentry{'options'}}) - { - print "dhcpOption: $statement\n"; - } - } - - print "\n"; - undef (%curentry); -} - - -sub parse_netmask -{ - local ($netmask) = @_; - local ($i); - - if ((($a, $b, $c, $d) = $netmask =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/) != 4) - { - parse_error (); - } - - $num = (($a & 0xff) << 24) | - (($b & 0xff) << 16) | - (($c & 0xff) << 8) | - ($d & 0xff); - - for ($i=1; $i<=32 && $num & (1 << (32 - $i)); $i++) - { - } - $i--; - - return ($i); -} - - -sub parse_subnet -{ - local ($ip, $tmp, $netmask); - - print_entry () if %curentry; - - $ip = next_token (0); - parse_error () if !defined ($ip); - - $tmp = next_token (1); - parse_error () if !defined ($tmp); - parse_error () if !($tmp eq 'netmask'); - - $tmp = next_token (0); - parse_error () if !defined ($tmp); - $netmask = parse_netmask ($tmp); - - $tmp = next_token (0); - parse_error () if !defined ($tmp); - parse_error () if !($tmp eq '{'); - - add_dn_to_stack ("cn=$ip"); - $curentry{'type'} = 'subnet'; - $curentry{'ip'} = $ip; - $curentry{'netmask'} = $netmask; -} - - -sub parse_shared_network -{ - local ($descr, $tmp); - - print_entry () if %curentry; - - $descr = next_token (0); - parse_error () if !defined ($descr); - - $tmp = next_token (0); - parse_error () if !defined ($tmp); - parse_error () if !($tmp eq '{'); - - add_dn_to_stack ("cn=$descr"); - $curentry{'type'} = 'shared-network'; - $curentry{'descr'} = $descr; -} - - -sub parse_host -{ - local ($descr, $tmp); - - print_entry () if %curentry; - - $host = next_token (0); - parse_error () if !defined ($host); - - $tmp = next_token (0); - parse_error () if !defined ($tmp); - parse_error () if !($tmp eq '{'); - - add_dn_to_stack ("cn=$host"); - $curentry{'type'} = 'host'; - $curentry{'host'} = $host; -} - - -sub parse_group -{ - local ($descr, $tmp); - - print_entry () if %curentry; - - $tmp = next_token (0); - parse_error () if !defined ($tmp); - parse_error () if !($tmp eq '{'); - - add_dn_to_stack ("cn=group"); - $curentry{'type'} = 'group'; -} - - -sub parse_pool -{ - local ($descr, $tmp); - - print_entry () if %curentry; - - $tmp = next_token (0); - parse_error () if !defined ($tmp); - parse_error () if !($tmp eq '{'); - - add_dn_to_stack ("cn=pool"); - $curentry{'type'} = 'pool'; -} - - -sub parse_class -{ - local ($descr, $tmp); - - print_entry () if %curentry; - - $class = next_token (0); - parse_error () if !defined ($class); - - $tmp = next_token (0); - parse_error () if !defined ($tmp); - parse_error () if !($tmp eq '{'); - - $class =~ s/\"//g; - add_dn_to_stack ("cn=$class"); - $curentry{'type'} = 'class'; - $curentry{'class'} = $class; -} - - -sub parse_subclass -{ - local ($descr, $tmp); - - print_entry () if %curentry; - - $class = next_token (0); - parse_error () if !defined ($class); - - $subclass = next_token (0); - parse_error () if !defined ($subclass); - - $tmp = next_token (0); - parse_error () if !defined ($tmp); - parse_error () if !($tmp eq '{'); - - add_dn_to_stack ("cn=$subclass"); - $curentry{'type'} = 'subclass'; - $curentry{'class'} = $class; - $curentry{'subclass'} = $subclass; -} - - -sub parse_hwaddress -{ - local ($type, $hw, $tmp); - - $type = next_token (0); - parse_error () if !defined ($type); - - $hw = next_token (0); - parse_error () if !defined ($hw); - $hw =~ s/;$//; - - $curentry{'hwaddress'} = "$type $hw"; -} - - -sub parse_range -{ - local ($tmp, $str); - - $str = remaining_line (); - - if (!($str eq '')) - { - $str =~ s/;$//; - $curentry{'range'} = $str; - } -} - - -sub parse_statement -{ - local ($token) = shift; - local ($str); - - if ($token eq 'option') - { - $str = remaining_line (); - push (@{$curentry{'options'}}, $str); - } - else - { - $str = $token . " " . remaining_line (); - push (@{$curentry{'statements'}}, $str); - } -} - - -my $token; -my $token_number = 0; -my $line_number = 0; -my %curentry; - -$current_dn = "cn=DHCP Config, $basedn"; -$curentry{'descr'} = 'DHCP Config'; -$line = ''; - -while (($token = next_token (1))) - { - if ($token eq '}') - { - print_entry () if %curentry; - remove_dn_from_stack (); - } - elsif ($token eq 'subnet') - { - parse_subnet (); - next; - } - elsif ($token eq 'shared-network') - { - parse_shared_network (); - next; - } - elsif ($token eq 'class') - { - parse_class (); - next; - } - elsif ($token eq 'subclass') - { - parse_subclass (); - next; - } - elsif ($token eq 'pool') - { - parse_pool (); - next; - } - elsif ($token eq 'group') - { - parse_group (); - next; - } - elsif ($token eq 'host') - { - parse_host (); - next; - } - elsif ($token eq 'hardware') - { - parse_hwaddress (); - next; - } - elsif ($token eq 'range') - { - parse_range (); - next; - } - else - { - parse_statement ($token); - next; - } - } - - diff --git a/linux b/linux deleted file mode 100755 index 81b5bd5..0000000 --- a/linux +++ /dev/null @@ -1,566 +0,0 @@ -#!/bin/bash -# dhclient-script for Linux. Dan Halbert, March, 1997. -# Updated for Linux 2.[12] by Brian J. Murrell, January 1999. -# No guarantees about this. I'm a novice at the details of Linux -# networking. - -# Notes: - -# 0. This script is based on the netbsd script supplied with dhcp-970306. - -# 1. ifconfig down apparently deletes all relevant routes and flushes -# the arp cache, so this doesn't need to be done explicitly. - -# 2. The alias address handling here has not been tested AT ALL. -# I'm just going by the doc of modern Linux ip aliasing, which uses -# notations like eth0:0, eth0:1, for each alias. - -# 3. I have to calculate the network address, and calculate the broadcast -# address if it is not supplied. This might be much more easily done -# by the dhclient C code, and passed on. - -if [ -n "${dhc_dbus}" ]; then - /bin/dbus-send \ - --system \ - --dest=com.redhat.dhcp \ - --type=method_call \ - /com/redhat/dhcp/$interface \ - com.redhat.dhcp.set \ - 'string:'"`env | /bin/egrep -v '^(PATH|SHLVL|_|PWD|dhc_dbus)\='`"; - if (( ( dhc_dbus & 31 ) == 31 )); then - exit 0; - fi; -fi; - -function save_previous() { - if [ -e $1 ]; then - /bin/mv $1 $1.predhclient - else - echo ''> $1.predhclient - fi -} - -make_resolv_conf() { - if [ "${PEERDNS}" == "no" ]; then - return - fi - - if [ x$reason == xRENEW ] && - [ "$new_domain_name" == "$old_domain_name" ] && - [ "$new_domain_name_servers" == "$old_domain_name_servers" ]; then - return; - fi - - if [ -n "$new_domain_name" ] || [ -n "$new_domain_name_servers" ]; then - cp -fp /etc/resolv.conf /etc/resolv.conf.predhclient - rscf=`mktemp /tmp/XXXXXX`; - echo '; generated by /sbin/dhclient-script' > $rscf - if [ -n "$SEARCH" ]; then - echo search $SEARCH >> $rscf - else - if [ -n "$new_domain_name" ]; then - echo search $new_domain_name >> $rscf - fi - fi - for nameserver in $new_domain_name_servers; do - echo nameserver $nameserver >> $rscf - done - change_resolv_conf $rscf - rm -f $rscf - fi -} - -# Must be used on exit. Invokes the local dhcp client exit hooks, if any. -exit_with_hooks() { - exit_status=$1 - if [ -f /etc/dhclient-exit-hooks ]; then - . /etc/dhclient-exit-hooks - fi -# probably should do something with exit status of the local script - exit $exit_status -} - -# Invoke the local dhcp client enter hooks, if they exist. -if [ -f /etc/dhclient-enter-hooks ]; then - exit_status=0 - . /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 $exit_status - fi -fi - -# Import Red Hat Linux configuration -cd /etc/sysconfig/network-scripts; -. /etc/sysconfig/network-scripts/network-functions -. /etc/rc.d/init.d/functions - -[ -f ../network ] && . ../network -[ -f ../networking/network ] && . ../networking/network - -CONFIG=$interface - -need_config ${CONFIG} - -if [ -f "${CONFIG}" ]; then - source_config -else - echo $"$0: configuration for $interface not found. Continuing with defaults." >&2 -fi - -source_config - -release=`uname -r` -relmajor=`echo $release |/bin/cut -f1 -d'.'` -relminor=`echo $release |/bin/cut -f2 -d'.'` - -# simple IP arithmetic functions: - -function quad2num() -{ - if [ $# -eq 4 ]; then - let n="$1<<24|$2<<16|$3<<8|$4" - echo $n; - return 0; - fi - echo '0'; - return 1; -} - -function ip2num() -{ - IFS='.' quad2num $1; -} - -function num2ip() -{ - let n="$1"; - let o1='(n>>24)&0xff'; - let o2='(n>>16)&0xff'; - let o3='(n>>8)&0xff'; - let o4='n & 0xff'; - echo $o1.$o2.$o3.$o4; -} - -function mask() -{ - ip=$1 - m=$2 - let ip=`IFS='.' ip2num $ip`; - let m=`IFS='.' ip2num $m`; - let n='ip&m'; - num2ip $n; -} - -function mask_bits() -{ - ip=$1 - let ip=`IFS='.' ip2num $ip`; - let bits=0 - for ((bit=1; '((ip&bit)==0) && (bits < 32)'; 'bit<<=1')) do - let bits+=1 - done - let n_bits=32-bits - echo $n_bits -} - -function class_bits() -{ - let ip=`IFS='.' ip2num $1`; - let bits=32 - let mask='255'; - for ((i=0; i <= 3; i++, 'mask<<=8')); do - let v='ip&mask'; - if [ "$v" -eq 0 ] ; then - let bits-=8; - else - break; - fi; - done; - echo $bits; -} - -function routerReachable() -{ # Handle silly DHCP servers that give us a router not on our subnet: - router=$1 - routerSubnet=`mask $router $new_subnet_mask` - mySubnet=`mask $new_ip_address $new_subnet_mask` - unreachable=0 - if [ "$routerSubnet" != "$mySubnet" ]; then - unreachable=1 - if /sbin/arping -f -q -I $interface -w2 $router; then - /sbin/ip route add ${router}/32 dev $interface - if [ $? -eq 0 ]; then - unreachable=0 - else - /usr/bin/logger -p local7.notice -t "NET" "dhclient: failed to create host route for unreachable router $router not on subnet $mySubnet"; - fi - else - unreachable=1 - if [ -x /usr/bin/logger ]; then - /usr/bin/logger -p local7.notice -t "NET" "dhclient: DHCP router $router is unreachable on DHCP subnet $mySubnet router subnet $routerSubnet"; - fi; - fi; - fi; - return $unreachable; -} - -function add_default_gateway() -{ - router=$1 - metric='' - if [ $# -gt 1 ] && [ "$2" -gt 0 ]; then - metric="metric $2"; - fi; - if routerReachable $router ; then - /sbin/ip route replace default via $router dev $interface $metric; - if [ $? -ne 0 ]; then - /usr/bin/logger -p local7.notice -t "NET" 'dhclient: failed to create default route: '$router dev $interface $metric; - return 1; - else - return 0; - fi; - fi; - return 1; -} - -function dhconfig() -{ - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \ - [ x$alias_ip_address != x$old_ip_address ]; then - # Possible new alias. Remove old alias. - ifconfig $interface:0- inet 0 - fi - - if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]; then - # IP address changed. Bringing down the interface will delete all routes, - # and clear the ARP cache. - ifconfig $interface inet 0 down - fi - fi - if [ x$reason = xBOUND ] || [ x$reason = xREBOOT ] || - [ x$old_ip_address != x$new_ip_address ] || - [ x$old_subnet_mask != x$new_subnet_mask ] || - [ x$new_network_number != x$new_network_number ] || - [ x$old_broadcast_address != x$new_broadcast_address ] || - [ "x$old_routers" != "x$new_routers" ] || - [ x$old_interface_mtu != x$new_interface_mtu ] ; then - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - ifconfig $interface inet $new_ip_address $new_subnet_arg \ - $new_broadcast_arg - if [ -n "$new_interface_mtu" ]; then - /sbin/ip link set $interface mtu $new_interface_mtu; - fi; - if [ -x /etc/dhclient-${interface}-up-hooks ]; then - . /etc/dhclient-${interface}-up-hooks; - elif [ -x /etc/dhclient-up-hooks ]; then - . /etc/dhclient-up-hooks; - fi; - fi; - - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 4 ) != 4 )); then - prefix_bits=`mask_bits $new_subnet_mask` - # Add a network route to the computed network address. - if [ $relmajor -lt 2 ] || \ - ( [ $relmajor -eq 2 ] && [ $relminor -eq 0 ] ); then - /sbin/ip route replace ${new_network_number}/${prefix_bits} dev $interface - if [ $added_old_broadcast_route -eq 1 ]; then - /sbin/ip route del default; - fi; - fi; - if [[ ( ( -z "$GATEWAYDEV" ) || ( "$GATEWAYDEV" = "$interface" ) ) && ( ( -z "$GATEWAY" ) || ( ( -n "$DHCLIENT_IGNORE_GATEWAY" ) && ( "$DHCLIENT_IGNORE_GATEWAY" = [Yy]* ) ) ) ]]; then - metric=${METRIC:-''}; - let i=${METRIC:-0}; - default_routers=() - for router in $new_routers; do - added_router=0 - for r in ${default_routers[@]}; do - if [ "$r" == "$router" ]; then - added_router=1; - fi; - done - if [ -z "$router" ] || [ "$added_router" -eq 1 ] || [ `IFS=. ip2num $router` -le 0 ] || [[ ( "$router" = "$new_broadcast_address" ) && ( "$new_subnet_mask" != "255.255.255.255" ) ]]; then - continue; - fi; - default_routers=(${default_routers[@]} $router) - add_default_gateway $router $metric; - let i=i+1; - metric=$i; - done - elif [[ ( ( -z "$GATEWAYDEV" ) || ( "$GATEWAYDEV" = "$interface" ) ) && ( -n "$GATEWAY" ) ]]; then - routerSubnet=`mask $GATEWAY $new_subnet_mask` - mySubnet=`mask $new_ip_address $new_subnet_mask` - if [ "$routerSubnet" = "$mySubnet" ]; then - /sbin/ip route replace default via $GATEWAY dev $interface - fi; - fi; - # static routes - if [ "x$new_static_routes" != x ]; then - IFS=', ' static_routes=($new_static_routes) - route_targets=() - for((i=0; i<${#static_routes[@]}; i+=2)); do - target=${static_routes[$i]} - gateway=${static_routes[$i+1]} - metric='' - for t in ${route_targets[@]}; do - if [ $t == $target ]; then - if [ -z "$metric" ]; then - metric=1; - else - ((metric=metric+1)); - fi; - fi; - done; - if [ -n "$metric" ]; then - metric="metric $metric"; - fi; - if routerReachable $gateway; then - /sbin/ip route replace ${target}/`class_bits $target` via ${gateway} dev $interface ${metric} - if [ $? -ne 0 ]; then - /usr/bin/logger -p local7.notice -t 'NET' 'dhclient: failed to create static route:' ${target}/`class_bits $target` via ${gateway} dev $interface ${metric}; - else - route_targets=(${route_targets[@]} $target); - fi; - fi; - done - fi - fi - fi - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ]; - then - ifconfig $interface:0- inet 0 - ifconfig $interface:0 inet $alias_ip_address $alias_subnet_arg - /sbin/ip route replace ${alias_ip_address}/32 dev $interface:0 - fi - fi - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 1 ) != 1 )); then - make_resolv_conf - - if [ -n "$new_host_name" ] && need_hostname; then - hostname $new_host_name - fi - fi; - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 8 ) != 8 )); then - if [ "${PEERNIS}" = no ]; then - : - elif [ -n "$new_nis_domain" ]; then - domainname "$new_nis_domain" - save_previous /etc/yp.conf - let contents=0 - echo '# generated by /sbin/dhclient-script' > /etc/yp.conf - if [ -n "$new_nis_servers" ]; then - for I in $new_nis_servers; do - echo "domain $new_nis_domain server $I" >> /etc/yp.conf - let contents=contents+1 - done - else - echo "domain $new_nis_domain broadcast" >> /etc/yp.conf - let contents=contents+1 - fi - level=`/sbin/runlevel` - level=${level##*\ } - if [ "$level" = "unknown" ]; then - level=1; - fi - if [ $contents -gt 0 ] && [[ "$level" = [0-6] ]] && /sbin/chkconfig --level=$level ypbind >/dev/null 2>&1 && [ -r /var/run/ypbind.pid ] && yppid=`cat /var/run/ypbind.pid` && [ -d /proc/${yppid} ] && [ "`if [ -x /sbin/busybox ]; then /sbin/busybox readlink /proc/${yppid}/exe; else echo /sbin/ypbind; fi`" = "/sbin/ypbind" ]; then - kill -HUP $yppid; - fi - elif [ -n "$new_nis_servers" ]; then - save_previous /etc/yp.conf - echo '# generated by /sbin/dhclient-script' > /etc/yp.conf - let contents=0 - for I in $new_nis_servers; do - echo "ypserver $I" >> /etc/yp.conf - let contents=contents+1 - done - level=`/sbin/runlevel` - level=${level##*\ } - if [ "$level" = "unknown" ]; then - level=1; - fi - if [ $contents -gt 0 ] && [[ "$level" = [0-6] ]] && /sbin/chkconfig --level=$level ypbind >/dev/null 2>&1 && [ -r /var/run/ypbind.pid ] && yppid=`cat /var/run/ypbind.pid` && [ -d /proc/${yppid} ] && [ "`if [ -x /sbin/busybox ]; then /sbin/busybox readlink /proc/${yppid}/exe; else echo /sbin/ypbind; fi`" = "/sbin/ypbind" ] ; then - kill -HUP $yppid; - fi - fi - fi - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 16 ) != 16 )); then - if [ -n "$DHCP_TIME_OFFSET_SETS_TIMEZONE" ] && [[ "$DHCP_TIME_OFFSET_SETS_TIMEZONE" = [yY1]* ]]; then - if [ -n "$new_time_offset" ]; then - # DHCP option "time-offset" is requested by default and should be handled. - # The geographical zone abbreviation cannot be determined from the GMT offset, - # but the $ZONEINFO/Etc/GMT$offset file can be used - note: this disables DST. - ((z=new_time_offset/3600)); - ((hoursWest=`printf '%+d' $z`)) - if (( $hoursWest < 0 )); then - # tzdata treats negative 'hours west' as positive 'gmtoff' ! - ((hoursWest*=-1)); - fi - tzfile=/usr/share/zoneinfo/Etc/GMT`printf '%+d' $hoursWest`; - if [ -e $tzfile ]; then - /bin/mv -f /etc/localtime /etc/localtime.predhclient; - /bin/cp -fp $tzfile /etc/localtime; - /bin/touch /etc/localtime; - fi; - fi; - fi; - if [ "${PEERNTP}" = no ]; then - : - elif [ -n "$new_ntp_servers" ] && [ -e /etc/ntp.conf ]; then - save_previous /etc/ntp.conf - /bin/egrep -v '(^[\ \ ]*(server|fudge))|(generated by /sbin/dhclient-script)'< /etc/ntp.conf.predhclient > /etc/ntp.conf - echo '# servers generated by /sbin/dhclient-script' >> /etc/ntp.conf - localClocks=(`/bin/egrep '^[\ \ ]*server[\ \ ]+127\.127' /etc/ntp.conf.predhclient | while read s addr rest; do echo $addr; done`) - localClockFudge="`/bin/egrep '^[\ \ ]*fudge[\ \ ]+127\.127' /etc/ntp.conf.predhclient`"; - for s in $new_ntp_servers ${localClocks[@]}; - do - echo 'server '$s >> /etc/ntp.conf; - done - echo "$localClockFudge" >> /etc/ntp.conf; - if [ -x /usr/bin/diff ] && /usr/bin/diff -q /etc/ntp.conf /etc/ntp.conf.predhclient >/dev/null 2>&1; then - : ; - else - /sbin/service ntpd condrestart >/dev/null 2>&1 - fi; - fi - fi; -} - -if [ x$new_broadcast_address != x ] && [ x$new_subnet_mask != x ] && [ "$new_subnet_mask" != "255.255.255.255" ]; then - new_broadcast_arg="broadcast $new_broadcast_address" -fi -if [ x$old_broadcast_address != x ]; then - old_broadcast_arg="broadcast $old_broadcast_address" -fi -if [ x$new_subnet_mask != x ]; then - new_subnet_arg="netmask $new_subnet_mask" -fi -if [ x$old_subnet_mask != x ]; then - old_subnet_arg="netmask $old_subnet_mask" -fi -if [ x$alias_subnet_mask != x ]; then - alias_subnet_arg="netmask $alias_subnet_mask" -fi - -if [ x$reason = xMEDIUM ]; then - # Linux doesn't do mediums (ok, ok, media). - exit_with_hooks 0 -fi - -added_old_broadcast_route=0; -if [ x$reason = xPREINIT ]; then - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - if [ x$alias_ip_address != x ]; then - # Bring down alias interface. Its routes will disappear too. - ifconfig $interface:0- inet 0 - fi - if [ x$keep_old_ip = xyes ]; then - ifconfig $interface up - elif [ $relmajor -lt 2 ] || ( [ $relmajor -eq 2 ] && [ $relminor -eq 0 ] ) then - ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \ - broadcast 255.255.255.255 up - # Add route to make broadcast work. Do not omit netmask. - /sbin/ip route replace default dev $interface && added_old_broadcast_route=1; - else - ifconfig $interface 0 up - fi - - # We need to give the kernel some time to get the interface up. - # sleep 1 - # I don't think this is necessary with modern kernels - no problems found during testing - - # JVD, 2005-06-17 - # but just in case: - if [ -n "$DHCLIENT_DELAY" ] && [ "$DHCLIENT_DELAY" -gt 0 ] ; then - sleep $DHCLIENT_DELAY; - fi; - exit_with_hooks 0 - fi; -fi - -if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then - if [ -z "$new_ip_address" ] || [ -z "$interface" ] || /sbin/arping -q -f -c 2 -w 3 -D -I ${interface} ${new_ip_address}; then - exit_with_hooks 0 - else - exit_with_hooks 1 - fi; -fi - -if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || \ - [ x$reason = xREBIND ] || [ x$reason = xREBOOT ]; then - dhconfig ; - exit_with_hooks 0 -fi - -if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ] || [ x$reason = xRELEASE ] \ - || [ x$reason = xSTOP ]; then - if [ -f /etc/resolv.conf.predhclient ]; then - change_resolv_conf /etc/resolv.conf.predhclient - rm -f /etc/resolv.conf.predhclient - fi - if [ -n "$DHCP_TIME_OFFSET_SETS_TIMEZONE" ] && [[ "$DHCP_TIME_OFFSET_SETS_TIMEZONE" = [yY1]* ]]; then - if [ -e /etc/localtime.predhclient ]; then - /bin/rm -f /etc/localtime - /bin/mv -f /etc/localtime.predhclient /etc/localtime; - /bin/touch /etc/localtime; - fi; - fi; - if [ -f /etc/ntp.conf.predhclient ]; then - /bin/rm -f /etc/ntp.conf - /bin/mv -f /etc/ntp.conf.predhclient /etc/ntp.conf - service ntpd condrestart >/dev/null 2>&1 - fi - if [ -f /etc/yp.conf.predhclient ]; then - /bin/rm -f /etc/yp.conf - /bin/mv -f /etc/yp.conf.predhclient /etc/yp.conf - level=`/sbin/runlevel` - level=${level##*\ } - if [ "$level" = "unknown" ]; then - level=1; - fi - if [[ "$level" = [0-6] ]] && /sbin/chkconfig --level=$level ypbind >/dev/null 2>&1 && [ -r /var/run/ypbind.pid ] && yppid=`cat /var/run/ypbind.pid` && [ -d /proc/${yppid} ] && [ "`if [ -x /sbin/busybox ]; then /sbin/busybox readlink /proc/${yppid}/exe; else echo /sbin/ypbind; fi`" = "/sbin/ypbind" ] ; then - kill -HUP $yppid; - fi - fi - if [ -x /etc/dhclient-${interface}-down-hooks ]; then - . /etc/dhclient-${interface}-down-hooks; - elif [ -x /etc/dhclient-down-hooks ]; then - . /etc/dhclient-down-hooks; - fi; - if [ x$alias_ip_address != x ]; then - # Turn off alias interface. - ifconfig $interface:0- inet 0 - fi - if [ x$old_ip_address != x ]; then - # Shut down interface, which will delete routes and clear arp cache. - ifconfig $interface inet 0 down - fi - if [ x$alias_ip_address != x ]; then - ifconfig $interface:0 inet $alias_ip_address $alias_subnet_arg - /sbin/ip route replace ${alias_ip_address}/32 $interface:0 - fi - exit_with_hooks 0 -fi - -if [ x$reason = xTIMEOUT ] && [ "x$new_routers" != 'x' ]; then - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - if [ x$alias_ip_address != x ]; then - ifconfig $interface:0- inet 0 - fi - ifconfig $interface inet $new_ip_address $new_subnet_arg \ - $new_broadcast_arg - fi; - set $new_routers - if ping -q -c 1 -w 10 -I $interface $1; then - dhconfig ; - exit_with_hooks 0 - fi - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - ifconfig $interface inet 0 down - fi; - exit_with_hooks 1 -elif [ x$reason = xTIMEOUT ]; then - exit_with_hooks 1 -fi -exit_with_hooks 0 diff --git a/linux.dbus-example b/linux.dbus-example deleted file mode 100755 index 1ee9e0d..0000000 --- a/linux.dbus-example +++ /dev/null @@ -1,223 +0,0 @@ -#!/bin/bash -# dhclient-script for Linux. Dan Halbert, March, 1997. -# Updated for Linux 2.[12] by Brian J. Murrell, January 1999. -# No guarantees about this. I'm a novice at the details of Linux -# networking. - -# Notes: - -# 0. This script is based on the netbsd script supplied with dhcp-970306. - -# 1. ifconfig down apparently deletes all relevant routes and flushes -# the arp cache, so this doesn't need to be done explicitly. - -# 2. The alias address handling here has not been tested AT ALL. -# I'm just going by the doc of modern Linux ip aliasing, which uses -# notations like eth0:0, eth0:1, for each alias. - -# 3. I have to calculate the network address, and calculate the broadcast -# address if it is not supplied. This might be much more easily done -# by the dhclient C code, and passed on. - -# 4. TIMEOUT not tested. ping has a flag I don't know, and I'm suspicious -# of the $1 in its args. - -if [ -n "${dhc_dbus}" ]; then - /bin/dbus-send \ - --system --dest=com.redhat.dhcp --type=method_call \ - /com/redhat/dhcp/$interface com.redhat.dhcp.set \ - 'string:'"`env | /bin/egrep -v '^(PATH|SHLVL|_|PWD|dhc_dbus)\='`"; - if (( ( dhc_dbus & 31 ) == 31 )); then - exit 0; - fi; -fi; - -make_resolv_conf() { - if [ "x$new_domain_name" != x ] && [ x"$new_domain_name_servers" != x ]; then - echo search $new_domain_name >/etc/resolv.conf - chmod 644 /etc/resolv.conf - for nameserver in $new_domain_name_servers; do - echo nameserver $nameserver >>/etc/resolv.conf - done - fi -} - -# Must be used on exit. Invokes the local dhcp client exit hooks, if any. -exit_with_hooks() { - exit_status=$1 - if [ -f /etc/dhclient-exit-hooks ]; then - . /etc/dhclient-exit-hooks - fi -# probably should do something with exit status of the local script - exit $exit_status -} - -# Invoke the local dhcp client enter hooks, if they exist. -if [ -f /etc/dhclient-enter-hooks ]; then - exit_status=0 - . /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 - -release=`uname -r` -release=`expr $release : '\(.*\)\..*'` -relminor=`echo $release |sed -e 's/[0-9]*\.\([0-9][0-9]*\)\(\..*\)*$/\1/'` -relmajor=`echo $release |sed -e 's/\([0-9][0-9]*\)\..*$/\1/'` - -if [ x$new_broadcast_address != x ]; then - new_broadcast_arg="broadcast $new_broadcast_address" -fi -if [ x$old_broadcast_address != x ]; then - old_broadcast_arg="broadcast $old_broadcast_address" -fi -if [ x$new_subnet_mask != x ]; then - new_subnet_arg="netmask $new_subnet_mask" -fi -if [ x$old_subnet_mask != x ]; then - old_subnet_arg="netmask $old_subnet_mask" -fi -if [ x$alias_subnet_mask != x ]; then - alias_subnet_arg="netmask $alias_subnet_mask" -fi - -if [ x$reason = xMEDIUM ]; then - # Linux doesn't do mediums (ok, ok, media). - exit_with_hooks 0 -fi - -if [ x$reason = xPREINIT ]; then - if [ x$alias_ip_address != x ]; then - # Bring down alias interface. Its routes will disappear too. - ifconfig $interface:0- inet 0 - fi - if [ $relmajor -lt 2 ] || ( [ $relmajor -eq 2 ] && [ $relminor -eq 0 ] ) - then - ifconfig $interface inet 0.0.0.0 netmask 0.0.0.0 \ - broadcast 255.255.255.255 up - # Add route to make broadcast work. Do not omit netmask. - route add default dev $interface netmask 0.0.0.0 - else - ifconfig $interface 0 up - fi - - # We need to give the kernel some time to get the interface up. - sleep 1 - - exit_with_hooks 0 -fi - -if [ x$reason = xARPCHECK ] || [ x$reason = xARPSEND ]; then - exit_with_hooks 0 -fi - -if [ x$reason = xBOUND ] || [ x$reason = xRENEW ] || \ - [ x$reason = xREBIND ] || [ x$reason = xREBOOT ]; then - current_hostname=`hostname` - if [ x$current_hostname = x ] || \ - [ x$current_hostname = x$old_host_name ]; then - if [ x$current_hostname = x ] || \ - [ x$new_host_name != x$old_host_name ]; then - hostname $new_host_name - fi - fi - - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - if [ x$old_ip_address != x ] && [ x$alias_ip_address != x ] && \ - [ x$alias_ip_address != x$old_ip_address ]; then - # Possible new alias. Remove old alias. - ifconfig $interface:0- inet 0 - fi - if [ x$old_ip_address != x ] && [ x$old_ip_address != x$new_ip_address ]; then - # IP address changed. Bringing down the interface will delete all routes, - # and clear the ARP cache. - ifconfig $interface inet 0 down - - fi - fi - if [ x$old_ip_address = x ] || [ x$old_ip_address != x$new_ip_address ] || \ - [ x$reason = xBOUND ] || [ x$reason = xREBOOT ]; then - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - ifconfig $interface inet $new_ip_address $new_subnet_arg \ - $new_broadcast_arg - fi - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 4 ) != 4 )); then - # Add a network route to the computed network address. - if [ $relmajor -lt 2 ] || \ - ( [ $relmajor -eq 2 ] && [ $relminor -eq 0 ] ); then - route add -net $new_network_number $new_subnet_arg dev $interface - fi - for router in $new_routers; do - route add default gw $router - done - fi - fi - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - if [ x$new_ip_address != x$alias_ip_address ] && [ x$alias_ip_address != x ]; - then - ifconfig $interface:0- inet 0 - ifconfig $interface:0 inet $alias_ip_address $alias_subnet_arg - route add -host $alias_ip_address $interface:0 - fi - fi - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 1 ) != 1 )); then - make_resolv_conf - fi - exit_with_hooks 0 -fi - -if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then -if [ x$reason = xEXPIRE ] || [ x$reason = xFAIL ] || [ x$reason = xRELEASE ] \ - || [ x$reason = xSTOP ]; then - if [ x$alias_ip_address != x ]; then - # Turn off alias interface. - ifconfig $interface:0- inet 0 - fi - if [ x$old_ip_address != x ]; then - # Shut down interface, which will delete routes and clear arp cache. - ifconfig $interface inet 0 down - fi - if [ x$alias_ip_address != x ]; then - ifconfig $interface:0 inet $alias_ip_address $alias_subnet_arg - route add -host $alias_ip_address $interface:0 - fi - exit_with_hooks 0 -fi -fi - -if [ x$reason = xTIMEOUT ]; then - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - if [ x$alias_ip_address != x ]; then - ifconfig $interface:0- inet 0 - fi - ifconfig $interface inet $new_ip_address $new_subnet_arg \ - $new_broadcast_arg - fi - set $new_routers - ############## what is -w in ping? - if ping -q -c 1 $1; then - if [ x$new_ip_address != x$alias_ip_address ] && \ - [ x$alias_ip_address != x ]; then - ifconfig $interface:0 inet $alias_ip_address $alias_subnet_arg - route add -host $alias_ip_address dev $interface:0 - fi - if [ $relmajor -lt 2 ] || \ - ( [ $relmajor -eq 2 ] && [ $relminor -eq 0 ] ); then - route add -net $new_network_number - fi - for router in $new_routers; do - route add default gw $router - done - make_resolv_conf - exit_with_hooks 0 - fi - if [ -z "${dhc_dbus}" ] || (( ( dhc_dbus & 2 ) != 2 )); then - ifconfig $interface inet 0 down - fi - exit_with_hooks 1 -fi - -exit_with_hooks 0