1 files changed, 191 insertions, 0 deletions
diff --git a/lib/network/vpn.pm b/lib/network/vpn.pm
new file mode 100644
index 0000000..4a5afbc
--- /dev/null
+++ b/lib/network/vpn.pm
@@ -0,0 +1,191 @@
+package network::vpn;
+
+=head1 NAME
+
+network::vpn - VPN connection abstract class
+
+=cut
+
+use strict;
+use common;
+
+my $vpn_d = "/etc/sysconfig/network-scripts/vpn.d";
+
+=head1 CLASS METHODS
+
+=head2 Generic class methods
+
+=over
+
+=item list_types
+
+List supported VPN types
+
+=cut
+
+sub list_types {
+    common::load_modules_from_base(__PACKAGE__);
+}
+
+=item get_configured_connections
+
+Return list of configured connections for this class
+
+=cut
+
+sub get_configured_connections {
+    my ($class) = @_;
+    map { if_(/^(.*).conf$/, $class->new($1)) } all($::prefix . $vpn_d . '/' . $class->get_type);
+}
+
+=item new(NAME)
+
+Create a new VPN connection object named NAME
+
+=cut
+
+sub new {
+    my ($class, $name) = @_;
+    bless {
+        name => $name,
+    }, $class;
+}
+
+=back
+
+=head2 Pure virtual class methods
+
+=over
+
+=item get_type
+
+Return VPN type (preferably one lowercase word)
+
+=item get_description
+
+Return description of the VPN type
+
+=item get_packages
+
+List package required for configuration
+
+=back
+
+=head1 INSTANCE METHODS
+
+=head2 Generic instance methods
+
+=over
+
+=item get_name
+
+Return name of the VPN connection
+
+=cut
+
+sub get_name {
+    my ($connection) = @_;
+    $connection->{name};
+}
+
+=item get_label
+
+Return label of the VPN connection
+
+=cut
+
+sub get_label {
+    my ($connection) = @_;
+    sprintf("%s (%s)", $connection->get_name, $connection->get_type);
+}
+
+=item get_config_path
+
+Get configuration file path
+
+=cut
+
+sub get_config_path {
+    my ($connection) = @_;
+    $::prefix . $vpn_d . '/' . $connection->get_type . '/' . $connection->get_name . '.conf';
+}
+
+sub _run {
+    my ($connection, $action, @args) = @_;
+    my @command = ('vpn-' . $action, $connection->get_type, $connection->get_name, @args);
+    @command = common::wrap_command_for_root(@command) if $>;
+    require run_program;
+    run_program::rooted($::prefix, , @command);
+}
+
+=item start($o_in)
+
+Start the VPN connection
+
+$o_in is an interactive object used to interact with the user,
+used if some interactive username/passwords are required.
+If not specified, there is no user interaction.
+
+=cut
+
+sub start {
+    my ($connection, $_o_in) = @_;
+    $connection->_run('start');
+}
+
+=item stop
+
+Stop the VPN connection
+
+=cut
+
+sub stop {
+    my ($connection) = @_;
+    $connection->_run('stop');
+}
+
+=item is_started
+
+Returns true if the VPN connection is started
+
+=cut
+
+sub is_started {
+    my ($connection) = @_;
+    my $pid = chomp_(cat_($::prefix . '/var/run/' . $connection->get_type . '-' . $connection->get_name . '.pid'));
+    $pid && -e '/proc/' . $pid;
+}
+
+=back
+
+=head2 Pure virtual instance methods
+
+=over
+
+=item read_config
+
+Read configuration from the file returned by get_config_path()
+
+=item write_config
+
+Write configuration to the file returned by get_config_path()
+
+=item get_settings
+
+Return an array ref of interactive settings
+
+=back
+
+=head2 Optional instance methods
+
+=over
+
+=item prepare
+
+Run commands or services that are required for the VPN type
+
+=back
+
+=cut
+
+1;