add pxe support in dhcp server

2 files changed, 147 insertions, 22 deletions

diff --git a/dhcp_wizard/Dhcp.pm b/dhcp_wizard/Dhcp.pm
index ca5775c5..17158cab 100755
--- a/dhcp_wizard/Dhcp.pm
+++ b/dhcp_wizard/Dhcp.pm
@@ -31,6 +31,7 @@ use MDK::Wizard::Wizcommon;
 
 my $wiz = new MDK::Wizard::Wizcommon;
 my $wiz_ip_server = $wiz->{net}->itf_get("IPADDR");
+my $wiz_tftpserverip = $wiz_ip_server;
 my $d = $4 if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
 my $s = "$1.$2.$3" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
 
@@ -76,7 +77,7 @@ $o->{pages} = {
 		      ],
 	          next => 'summary'
 	      },
-	      dhcp_warning => {
+	       dhcp_warning => {
 		name => N("Warning") . "\n\n" . N("You are in dhcp, server may not work with your configuration."),
 		ignore => 1,
 	        next => 'ip_range'
@@ -99,9 +100,9 @@ $o->{pages} = {
 	      summary => {
 	        name => N("Configuring the DHCP Server") . "\n\n" . N("The wizard collected the following parameters needed to configure your DHCP service:"),
                 data => [
-		      { label => N("Lowest IP Address:"), fixed_val => \$o->{var}{ip1} },
-		      { label => N("Highest IP Address:"), fixed_val => \$o->{var}{ip2} },
-		      { label => N("Interface:"), fixed_val => \$o->{var}{interface} },
+			 { label => N("Lowest IP Address:"), fixed_val => \$o->{var}{ip1} },
+			 { label => N("Highest IP Address:"), fixed_val => \$o->{var}{ip2} },
+			 { label => N("Interface:"), fixed_val => \$o->{var}{interface} },
 		  ],
 		post => \&do_it,
 	        next => 'end'
@@ -136,12 +137,12 @@ sub check {
     my $r2_trunc = "$1.$2.$3" if $o->{var}{ip2} =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
     foreach ($1, $2, $3, $4) { $check_ip->($_) or return 'ip_range_error' }
     my $d1 = $4 if $o->{var}{ip1} =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
-    my $d2 = $4 if $o->{var}{ip2} =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;    
+    my $d2 = $4 if $o->{var}{ip2} =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
     my $s_trunc = "$1.$2.$3" if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
     my $ds = $4 if $wiz_ip_server =~ /(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})/;
     if (!$r1_trunc) { standalone::explanations("DHCP wizard : incorrect adress range 1"); return 'ip_range_error' }
     if (!$r2_trunc) { standalone::explanations("DHCP wizard : incorrect adress range 2"); return 'ip_range_error' }
-    if ($r1_trunc ne $s_trunc || $r2_trunc ne $s_trunc) { 
+    if ($r1_trunc ne $s_trunc || $r2_trunc ne $s_trunc) {
 	standalone::explanations("DHCP wizard : range not in network");
 	return 'ip_range_warning';
     }
@@ -197,7 +198,7 @@ sub do_it {
     }
     $file = "/etc/dhcpd.conf";
     -f $file and MDK::Common::cp_af($file, $file.".orig");
-    output($file, map { 
+    output($file, map {
 	s|__hname__|$wiz_host_name|g;
 	s|__dns__|$wiz_dns|g;
 	s|__net__|$wiz_ip_net|g;
@@ -207,6 +208,7 @@ sub do_it {
 	s|__rng2__|$wiz_ip_range2|g;
 	s|__dname__|$wiz_domain_name|g;
 	s|__gateway__|$wiz_gateway|g;
+	s|__tftpserverip__|$wiz_tftpserverip|g;
 	$_;
     } cat_("__WIZ_HOME__/dhcp_wizard/scripts/dhcpd.conf.default"));
     standalone::explanations("$file: hname = $wiz_host_name, net = $wiz_ip_net, ip = $wiz_ip_server,
diff --git a/dhcp_wizard/scripts/dhcpd.conf.default b/dhcp_wizard/scripts/dhcpd.conf.default
index 0d3c7ec5..5f27acd0 100644
--- a/dhcp_wizard/scripts/dhcpd.conf.default
+++ b/dhcp_wizard/scripts/dhcpd.conf.default
@@ -1,23 +1,146 @@
-# default file for dhcpd
-# replace __ip__ by the IP adress of the server (same server for
-# all services in this config file)
-
-default-lease-time 36000;
-max-lease-time 144000;
+# for explanation in french go to : http://www.delafond.org/traducmanfr/man/man5/dhcpd.conf.5.html
 ddns-update-style none;
+allow booting;
+allow bootp;
 
+# Your dhcp server is not master on your network !
+#not authoritative;
+# Your dhcpd server is master on your network !
+#authoritative;
 not authoritative;
 
-subnet __net__ netmask __mask__{
-        range  __rng1__ __rng2__;
-        option domain-name              "__dname__";
-        option domain-name-servers      __dns__;
-        option routers          	__gateway__;
-        option subnet-mask              __mask__;
-		ddns-updates on;
-		ddns-domainname "__dname__";
-		ddns-rev-domainname "in-addr.arpa";
+#Interface where dhcpd is active
+#DHCPD_INTERFACE = "eth0";
+
+# Definition of PXE-specific options
+# Code 1: Multicast IP address of bootfile
+# Code 2: UDP port that client should monitor for MTFTP responses
+# Code 3: UDP port that MTFTP servers are using to listen for MTFTP requests
+# Code 4: Number of secondes a client must listen for activity before trying
+#         to start a new MTFTP transfer
+# Code 5: Number of secondes a client must listen before trying to restart
+#         a MTFTP transfer
+
+# define Option for the PXE class
+option space PXE;
+option PXE.mtftp-ip code 1 = ip-address;
+option PXE.mtftp-cport code 2 = unsigned integer 16;
+option PXE.mtftp-sport code 3 = unsigned integer 16;
+option PXE.mtftp-tmout code 4 = unsigned integer 8;
+option PXE.mtftp-delay code 5 = unsigned integer 8;
+option PXE.discovery-control code 6 = unsigned integer 8;
+option PXE.discovery-mcast-addr code 7 = ip-address;
+
+#Define options for pxelinux
+option space pxelinux;
+option pxelinux.magic      code 208 = string;
+option pxelinux.configfile code 209 = text;
+option pxelinux.pathprefix code 210 = text;
+option pxelinux.reboottime code 211 = unsigned integer 32;
+site-option-space "pxelinux";
+# These lines should be customized to your setup
+#option pxelinux.configfile "configs/common";
+#option pxelinux.pathprefix "/pxelinux/files/";
+#filename "/pxelinux/pxelinux.bin";
+				
+option pxelinux.magic f1:00:74:7e;
+option pxelinux.reboottime 30;
+#if exists dhcp-parameter-request-list {
+	# Always send the PXELINUX options
+#	append dhcp-parameter-request-list 208, 209, 210, 211;
+#	append dhcp-parameter-request-list 208,211;
+#					}
+
+#Class that determine the options for Etherboot 5.x requests
+class "Etherboot" {
+
+#if The vendor-class-identifier equal Etherboot-5.0
+match if substring (option vendor-class-identifier, 0, 9) = "Etherboot";
+
+# filename define the file retrieve by the client, there nbgrub
+# our tftp is chrooted so is just the path to the file
+filename "/etherboot/nbgrub";
+
+#Used by etherboot to detect a valid pxe dhcp server
+option vendor-encapsulated-options 3c:09:45:74:68:65:72:62:6f:6f:74:ff;
+
+# Set the  "vendor-class-identifier" field to "PXEClient" in dhcp answer        
+# if this field is not set the pxe client will ignore the answer !
+option vendor-class-identifier "Etherboot";
+
+vendor-option-space PXE;
+option PXE.mtftp-ip 0.0.0.0;
 
+# IP of you TFTP server
+next-server __tftpserverip__;
 }
 
 
+# create the Class PXE
+class "PXE" {
+# if the "vendor-class-identifier" is set to "PXEClient" in the client dhcp request
+match if substring(option vendor-class-identifier, 0, 9) = "PXEClient";
+  
+# filename define the file retrieve by the client, there pxelinux.0
+# our tftp is chrooted so is just the path to the file
+# If you prefer use grub, use pxegrub compiled for your ethernet card.
+#filename "/PXEClient/pxegrub";
+filename "/X86PC/linux/linux.0";
+
+# Set the  "vendor-class-identifier" field to "PXEClient" in dhcp answer
+# if this field is not set the pxe client will ignore the answer !
+option vendor-class-identifier "PXEClient";
+
+				  
+vendor-option-space PXE;
+option PXE.mtftp-ip 0.0.0.0;
+
+# IP of you TFTP server
+next-server __tftpserverip__;
+}
+
+# the class know exist just for deny the response to other DHCP request
+class "known" {
+  match hardware;
+  one-lease-per-client on;
+  ddns-updates on;
+  ddns-domainname = "__dname__";
+  option domain-name "__dname__";
+  option domain-name-servers  __ip__;   
+  ddns-hostname = pick-first-value(ddns-hostname, option host-name);
+  option fqdn.no-client-update on;
+  set vendor_class_identifier = option vendor-class-identifier;
+}
+
+# TAG: COMPUTER_LIST_BEGIN
+#host compute9{
+#    hardware ethernet 00:02:b3:3f:7e:b7;
+#    fixed-address compute9;
+# TAG: COMPUTER_LIST_END
+
+shared-network "mynetwork" {
+#  subnet 192.168.200.0 netmask 255.255.255.0 {
+subnet __net__ netmask __mask__ {
+  option subnet-mask __mask__;
+  option routers __gateway__;
+  default-lease-time 28800;
+  max-lease-time 86400;
+  option domain-name "__dname__";
+  option domain-name-servers  __ip__; 
+  next-server __tftpserverip__;
+   
+    pool { 
+       range __rng1__ __rng2__;
+#       deny members of "PXE";
+#       deny members of "Etherboot";
+    	}
+
+#   pool {
+#     range 192.168.200.200 192.168.200.254;
+# give an address of the the pool for PXE client and deny the other
+#allow members of "PXE";
+#deny members of "known";
+#allow members of "Etherboot";
+#        }
+  }
+}