rpms/dhcp/devel dhcpd-conf-to-ldap, 1.2, 1.3 linux, 1.2, 1.3 linux.dbus-example, 1.2, 1.3
fedora-cvs-commits at redhat.com
fedora-cvs-commits at redhat.com
Wed Apr 11 19:36:39 UTC 2007
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Author: dcantrel
Update of /cvs/dist/rpms/dhcp/devel
In directory cvs.devel.redhat.com:/tmp/cvs-serv5841
Added Files:
dhcpd-conf-to-ldap linux linux.dbus-example
Log Message:
Re-added with 0755 permissions.
Index: dhcpd-conf-to-ldap
===================================================================
RCS file: dhcpd-conf-to-ldap
diff -N dhcpd-conf-to-ldap
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ dhcpd-conf-to-ldap 11 Apr 2007 19:36:37 -0000 1.3
@@ -0,0 +1,517 @@
+#!/usr/bin/perl -w
+
+# Brian Masney <masneyb at ntelos.net>
+# 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 ($token);
+ next;
+ }
+ }
+
+
Index: linux
===================================================================
RCS file: linux
diff -N linux
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ linux 11 Apr 2007 19:36:37 -0000 1.3
@@ -0,0 +1,566 @@
+#!/bin/bash
+# dhclient-script for Linux. Dan Halbert, March, 1997.
+# Updated for Linux 2.[12] by Brian J. Murrell, January 1999.
+# No guarantees about this. I'm a novice at the details of Linux
+# networking.
+
+# Notes:
+
+# 0. This script is based on the netbsd script supplied with dhcp-970306.
+
+# 1. ifconfig down apparently deletes all relevant routes and flushes
+# the arp cache, so this doesn't need to be done explicitly.
+
+# 2. The alias address handling here has not been tested AT ALL.
+# I'm just going by the doc of modern Linux ip aliasing, which uses
+# notations like eth0:0, eth0:1, for each alias.
+
+# 3. I have to calculate the network address, and calculate the broadcast
+# address if it is not supplied. This might be much more easily done
+# by the dhclient C code, and passed on.
+
+if [ -n "${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
Index: linux.dbus-example
===================================================================
RCS file: linux.dbus-example
diff -N linux.dbus-example
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ linux.dbus-example 11 Apr 2007 19:36:37 -0000 1.3
@@ -0,0 +1,223 @@
+#!/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
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