1 files changed, 62 insertions, 0 deletions
diff --git a/scripts/VyattaMisc.pm b/scripts/VyattaMisc.pm
new file mode 100755
index 0000000..61c646b
--- /dev/null
+++ b/scripts/VyattaMisc.pm
@@ -0,0 +1,62 @@
+package VyattaMisc;
+require Exporter;
+@ISA	= qw(Exporter);
+@EXPORT	= qw(getNetAddIP, isIpAddress);
+@EXPORT_OK = qw(getNetAddIP, isIpAddress);
+
+use strict;
+
+sub getNetAddrIP {
+  my ($interface);
+  ($interface) = @_;
+
+  if ($interface eq '') {
+    print STDERR "Error:  No interface specified.\n";
+    return undef;
+  }
+
+
+  my $ifconfig_out = `ifconfig $interface`;
+  $ifconfig_out =~ /inet addr:(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/;
+  my $ip = $1;
+  if ($ip eq '') {
+    print STDERR "Error:  Unable to determine IP address for interface \'$interface\'.\n";
+    return undef;
+  }
+
+
+  $ifconfig_out =~ /Mask:(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/;
+  my $netmask = $1;
+  if ($netmask eq '') {
+    print STDERR "Error:  Unable to determine netmask for interface \'$interface\'.\n";
+    return undef;
+  }
+
+  use NetAddr::IP;  # This library is available via libnetaddr-ip-perl.deb
+  my $naip = new NetAddr::IP($ip, $netmask);
+  return $naip;
+}
+
+sub isIpAddress {
+  my $ip = shift;
+
+  $_ = $ip;
+  if ( ! /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/) {
+    return 0;
+  }
+  else {
+    my @ips = split /\./, $ip;
+    my $octet = 0;
+    my $counter = 0;
+
+    foreach $octet (@ips) {
+      if (($octet < 0) || ($octet > 255)) { return 0; }
+      if (($counter == 0) && ($octet < 1)) { return 0; }
+      $counter++;
+    }
+  }
+
+  return 1;
+}
+
+return 1;