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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;
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