1 files changed, 50 insertions, 0 deletions
diff --git a/lib/network/dhcpd.pm b/lib/network/dhcpd.pm
new file mode 100644
index 0000000..8cf30d5
--- /dev/null
+++ b/lib/network/dhcpd.pm
@@ -0,0 +1,50 @@
+package network::dhcpd;
+
+use strict;
+use common;
+
+my $sysconf_dhcpd = "$::prefix/etc/sysconfig/dhcpd";
+my $dhcpd_conf_file = "$::prefix/etc/dhcpd.conf";
+my $update_dhcp = "/usr/sbin/update_dhcp.pl";
+
+sub read_dhcpd_conf {
+    my ($o_file) = @_;
+    my $s = cat_($o_file || $dhcpd_conf_file);
+    { option_routers => [ $s =~ /^\s*option routers\s+(\S+);/mg ],
+      subnet_mask => [ if_($s =~ /^\s*option subnet-mask\s+(.*);/mg, split(' ', $1)) ],
+      domain_name => [ if_($s =~ /^\s*option domain-name\s+"(.*)";/mg, split(' ', $1)) ],
+      domain_name_servers => [ if_($s =~ /^\s*option domain-name-servers\s+(.*);/m, split(' ', $1)) ],
+      dynamic_bootp => [ if_($s =~ /^\s*range dynamic-bootp\s+\S+\.(\d+)\s+\S+\.(\d+)\s*;/m, split(' ', $1)) ],
+      default_lease_time => [ if_($s =~ /^\s*default-lease-time\s+(.*);/m, split(' ', $1)) ],
+      max_lease_time => [ if_($s =~ /^\s*max-lease-time\s+(.*);/m, split(' ', $1)) ] };
+}
+
+sub write_dhcpd_conf {
+    my ($dhcpd_conf, $device) = @_;
+
+    my ($lan) = $dhcpd_conf->{option_routers}[0] =~ /^(.*)\.\d+$/;
+    log::explanations("Configuring a DHCP server on $lan.0");
+
+    renamef($dhcpd_conf_file, "$dhcpd_conf_file.old");
+    output($dhcpd_conf_file, qq(subnet $lan.0 netmask $dhcpd_conf->{subnet_mask}[0] {
+	# default gateway
+	option routers $dhcpd_conf->{option_routers}[0];
+	option subnet-mask $dhcpd_conf->{subnet_mask}[0];
+
+	option domain-name "$dhcpd_conf->{domain_name}[0]";
+	option domain-name-servers $dhcpd_conf->{domain_name_servers}[0];
+
+	range dynamic-bootp $lan.$dhcpd_conf->{dynamic_bootp}[0] $lan.$dhcpd_conf->{dynamic_bootp}[1];
+	default-lease-time $dhcpd_conf->{default_lease_time}[0];
+	max-lease-time $dhcpd_conf->{max_lease_time}[0];
+}
+));
+
+    #- put the interface for the dhcp server in the sysconfig-dhcp config, for the /etc/init.d script of dhcpd
+    log::explanations("Update network interfaces list for dhcpd server");
+    substInFile { s/^INTERFACES\n//; $_ .= qq(INTERFACES="$device"\n) if eof } $sysconf_dhcpd if !$::testing;
+    run_program::rooted($::prefix, $update_dhcp);
+}
+
+
+1;