167 lines
3.1 KiB
Perl
167 lines
3.1 KiB
Perl
package configuration;
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use YAML::XS;
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use URI;
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use fileutil ':all';
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use Exporter 'import';
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# what we want to export eventually
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our @EXPORT_OK = qw/
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get_cfg is_reserved
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get_zonedir_from_cfg
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get_dnsslavekey_from_cfg
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get_v4_from_name
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get_v6_from_name
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get_v4_from_cfg
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get_v6_from_cfg
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get_host_from_cfg
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get_user_from_cfg
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get_port_from_cfg
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/;
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# bundle of exports (tags)
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our %EXPORT_TAGS = ( all => [qw/
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get_cfg is_reserved
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get_zonedir_from_cfg
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get_dnsslavekey_from_cfg
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get_v4_from_name
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get_v6_from_name
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get_v4_from_cfg
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get_v6_from_cfg
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get_host_from_cfg
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get_user_from_cfg
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get_port_from_cfg
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/] );
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sub is_conf_file {
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my $f = shift;
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unless(-f $f) {
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die "$f : not a file";
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}
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unless(-r $f) {
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die "$f : not readable";
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}
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unless(-T $f) {
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die "$f : not plain text";
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}
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}
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sub get_cfg {
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my ($cfgdir) = @_;
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$cfgdir //= './conf/';
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my $f = "$cfgdir/config.yml";
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is_conf_file $f;
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YAML::XS::LoadFile($f)
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}
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sub is_reserved {
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my ($domain) = @_;
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my $filename = 'conf/reserved.zone';
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is_conf_file $filename;
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my $data = read_file $filename;
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$data =~ /^$domain$/m;
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}
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# TODO : tests
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sub get_v6_from_name {
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my $name = shift;
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my $val = qx/host -t AAAA $name | grep -oE '[^[:space:]]+\$'/;
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chomp $val;
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#die q{There is no available v6. TODO.} if($val =~ 'NXDOMAIN');
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return undef if($val =~ 'NXDOMAIN');
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$val
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}
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sub get_v4_from_name {
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my $name = shift;
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my $val = qx/host -t A $name | grep -oE '[^[:space:]]+\$'/;
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chomp $val;
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die q{There is no available v4. TODO.} if($val =~ 'NXDOMAIN');
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$val
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}
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sub get_v6_from_cfg {
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my $cfg = shift;
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$$cfg{domain}{v6} // get_v6_from_name($$cfg{domain}{name})
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}
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sub get_v4_from_cfg {
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my $cfg = shift;
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$$cfg{domain}{v4} // get_v4_from_name($$cfg{domain}{name})
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}
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sub get_zonedir_from_cfg {
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my $cfg = shift;
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unless($$cfg{zonedir}) {
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die 'For now, the only way to get the zone path is to setup zonedir '
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. 'in the primaryserver configuration in config.yml.';
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}
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URI->new($$cfg{zonedir})->path;
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}
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sub get_host_from_cfg {
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my $cfg = shift;
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if($$cfg{zonedir}) {
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my $u = URI->new($$cfg{zonedir});
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return $u->host;
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}
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elsif($$cfg{domain}{name}) {
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return $$cfg{domain}{name};
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}
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die "Impossible to get the host from the configuration."
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}
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sub get_dnsslavekey_from_cfg {
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my $cfg = shift;
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if($$cfg{dnsslavekey}) {
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return $$cfg{dnsslavekey};
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}
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die "Impossible to get the dns slave key from the configuration."
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}
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sub get_user_from_cfg {
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my $cfg = shift;
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if($$cfg{zonedir}) {
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my $u = URI->new($$cfg{zonedir});
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return $u->user;
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}
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elsif($$cfg{domain}{user}) {
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return $$cfg{domain}{user};
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}
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die "Impossible to get the user from the configuration."
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}
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sub get_port_from_cfg {
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my $cfg = shift;
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if($$cfg{zonedir}) {
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my $u = URI->new($$cfg{zonedir});
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return $u->port;
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}
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elsif($$cfg{domain}{port}) {
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return $$cfg{domain}{port};
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}
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die "Impossible to get the port from the configuration."
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}
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1;
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