add code for op-mode Dynamic DNS commands

8 files changed, 133 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
index 1063b78..627ed32 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -22,6 +22,7 @@ bin_sudo_users_SCRIPTS      = scripts/vyatta-identify-interface.pl
 bin_sudo_users_SCRIPTS     += scripts/vyatta-delete-log-file.sh
 bin_sudo_users_SCRIPTS	   += scripts/vyatta-reboot.pl
 bin_sudo_users_SCRIPTS     += scripts/vyatta-op-dns-forwarding.pl
+bin_sudo_users_SCRIPTS     += scripts/vyatta-op-dynamic-dns.pl
 
 cpiop = find  . ! -regex '\(.*~\|.*\.bak\|.*\.swp\|.*\#.*\#\)' -print0 | \
 	cpio -0pd
diff --git a/scripts/vyatta-op-dynamic-dns.pl b/scripts/vyatta-op-dynamic-dns.pl
new file mode 100644
index 0000000..b6460f5
--- /dev/null
+++ b/scripts/vyatta-op-dynamic-dns.pl
@@ -0,0 +1,119 @@
+#!/usr/bin/perl
+#
+# Module: vyatta-op-dynamic-dns.pl
+#
+# **** License ****
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2008 Vyatta, Inc.
+# All Rights Reserved.
+#
+# Author: Mohit Mehta
+# Date: September 2008
+# Description: Script to execute op-mode commands for Dynamic DNS
+#
+# **** End License ****
+#
+
+use lib "/opt/vyatta/share/perl5/";
+use Getopt::Long;
+use VyattaConfig;
+use strict;
+use warnings;
+
+sub print_ddns_stats {
+    my $ddclient_cache_files = '/var/cache/ddclient/*';
+    my @all_cached_entries = `grep "^atime" $ddclient_cache_files 2>/dev/null`;
+    if (@all_cached_entries > 0){
+       foreach my $each_entry (@all_cached_entries) {
+            my $interface = undef;
+            if (`ls $ddclient_cache_files | wc -l` == 1) {
+                my $interface_file = `ls $ddclient_cache_files`;
+                my @split_on_cache = split(/.cache/, $interface_file);
+                my @interface_split = split(/_/, $split_on_cache[1]);
+                $interface = $interface_split[1];
+            } else {
+                  my @split_on_cache = split(/.cache:/, $each_entry);
+                  my @interface_split = split(/_/, $split_on_cache[0]);
+                  $interface=$interface_split[1];
+            }
+            print "interface    : $interface\n";
+            my @split_on_ip = split(/ip=/, $each_entry);
+            if (@split_on_ip > 1){
+               my @ip = split(/,/, $split_on_ip[1]);
+               print "ip address   : $ip[0]\n";
+            }
+            my @split_on_host = split(/host=/, $each_entry);
+            my @host = split(/,/, $split_on_host[1]);
+            print "host-name    : $host[0]\n";
+            my @split_on_atime = split(/atime=/, $each_entry);
+            my @atime = split(/,/, $split_on_atime[1]);
+            my $prettytime = scalar(localtime($atime[0]));
+            print "last update  : $prettytime\n";
+            my @split_on_status = split(/status=/, $each_entry);
+            my @status = split(/,/, $split_on_status[1]);
+            print "update-status: $status[0]\n";
+            print "\n";
+       }
+    } else {
+           print "Dynamic DNS not configured\n";
+    }
+}
+
+sub get_ddns_interfaces {
+
+    my $vyatta_config = new VyattaConfig;
+    $vyatta_config->setLevel("service dns dynamic");
+    $vyatta_config->{_active_dir_base} = "/opt/vyatta/config/active/";
+    my @ddns_interfaces = $vyatta_config->listOrigNodes("interface");
+    @ddns_interfaces = sort(@ddns_interfaces);
+    return (@ddns_interfaces);
+
+}
+
+#
+# main
+#
+
+my ($show_status, $update_ddns, $interface, $show_interfaces);
+
+GetOptions("show-status!"           => \$show_status,
+           "update-ddns!"           => \$update_ddns,
+           "interface=s"            => \$interface,
+           "show-interfaces!"       => \$show_interfaces);
+
+if (defined $show_status) {
+    print_ddns_stats;
+}
+
+if (defined $update_ddns && defined $interface) {
+    my @ddns_interfaces = get_ddns_interfaces();
+    my $interface_configured = 0;
+    foreach my $ddns_interface (@ddns_interfaces) {
+       if ($ddns_interface eq $interface) {
+           $interface_configured = 1;
+       }
+    }
+    if ($interface_configured == 1) {
+        system("sudo /opt/vyatta/sbin/vyatta-dynamic-dns.pl --op-mode-update-dynamicdns --interface $interface");
+    } else {
+        print "$interface has not been configured to send Dynamic DNS updates\n";
+    }
+}
+
+if (defined $show_interfaces) {
+    my @ddns_interfaces = get_ddns_interfaces();
+    print "@ddns_interfaces\n";
+}
+
+exit 0;
+
+# end of file
diff --git a/templates/show/dns/dynamic/node.def b/templates/show/dns/dynamic/node.def
new file mode 100644
index 0000000..9a06b38
--- /dev/null
+++ b/templates/show/dns/dynamic/node.def
@@ -0,0 +1 @@
+help: Show Dynamic DNS information
diff --git a/templates/show/dns/dynamic/status/node.def b/templates/show/dns/dynamic/status/node.def
new file mode 100644
index 0000000..870c883
--- /dev/null
+++ b/templates/show/dns/dynamic/status/node.def
@@ -0,0 +1,3 @@
+help: Show Dynamic DNS status
+run:
+       sudo /opt/vyatta/bin/sudo-users/vyatta-op-dynamic-dns.pl --show-status
diff --git a/templates/update/dns/dynamic/interface/node.def b/templates/update/dns/dynamic/interface/node.def
new file mode 100644
index 0000000..c0ef660
--- /dev/null
+++ b/templates/update/dns/dynamic/interface/node.def
@@ -0,0 +1 @@
+help: Update Dynamic DNS for specified interface
diff --git a/templates/update/dns/dynamic/interface/node.tag/node.def b/templates/update/dns/dynamic/interface/node.tag/node.def
new file mode 100644
index 0000000..60fb67d
--- /dev/null
+++ b/templates/update/dns/dynamic/interface/node.tag/node.def
@@ -0,0 +1,6 @@
+help: Update Dynamic DNS for specified interface
+allowed:
+        sudo /opt/vyatta/bin/sudo-users/vyatta-op-dynamic-dns.pl --show-interfaces
+run:
+       IFNAME=${5}
+       sudo /opt/vyatta/bin/sudo-users/vyatta-op-dynamic-dns.pl --update-ddns --interface "$IFNAME"
diff --git a/templates/update/dns/dynamic/node.def b/templates/update/dns/dynamic/node.def
new file mode 100644
index 0000000..447fcb5
--- /dev/null
+++ b/templates/update/dns/dynamic/node.def
@@ -0,0 +1 @@
+help: Update Dynamic DNS information
diff --git a/templates/update/dns/node.def b/templates/update/dns/node.def
new file mode 100644
index 0000000..b8217f6
--- /dev/null
+++ b/templates/update/dns/node.def
@@ -0,0 +1 @@
+help: Update DNS information