From af17587a9ec6ed89edc018971ee41b59d1fe7f16 Mon Sep 17 00:00:00 2001
From: Steve Kemp <steve@steve.org.uk>
Date: Thu, 22 Nov 2012 06:22:47 +0000
Subject:   Ping-test implemented.

---
 lib/custodian/protocoltest/ping.rb | 129 +++++++++++++++++++++++++++++++++++++
 1 file changed, 129 insertions(+)
 create mode 100644 lib/custodian/protocoltest/ping.rb

(limited to 'lib/custodian')

diff --git a/lib/custodian/protocoltest/ping.rb b/lib/custodian/protocoltest/ping.rb
new file mode 100644
index 0000000..cd8490d
--- /dev/null
+++ b/lib/custodian/protocoltest/ping.rb
@@ -0,0 +1,129 @@
+require 'custodian/testfactory.rb'
+
+
+#
+#  The ping test.
+#
+#  This object is instantiated if the parser sees a line such as:
+#
+###
+### DNSHOSTS must run ping otherwise ..
+###
+#
+#
+class PINGTest < TestFactory
+
+
+  #
+  # The line from which we were constructed.
+  #
+  attr_reader :line
+
+
+  #
+  # The host to test against.
+  #
+  attr_reader :host
+
+
+
+
+  #
+  # Constructor
+  #
+  def initialize( line )
+
+    #
+    #  Save the line
+    #
+    @line = line
+
+    #
+    # Save the host
+    #
+    @host  = line.split( /\s+/)[0]
+  end
+
+
+
+
+  #
+  # Helper for development.
+  #
+  def to_s
+    "ping-test - #{@host}."
+  end
+
+
+
+
+  #
+  # Convert this class to JSON such that it may be serialized.
+  #
+  def to_json
+    hash = { :line => @line }
+    hash.to_json
+  end
+
+
+
+  #
+  # Run the test.
+  #
+  def run_test
+
+    #
+    # Find the binary we're going to invoke.
+    #
+    binary = nil
+    binary = "/usr/bin/multi-ping"  if ( File.exists?( "/usr/bin/multi-ping" ) )
+
+    if ( binary.nil? )
+      @error = "Failed to find '/usr/bin/multi-ping'"
+      return false
+    end
+
+
+    #
+    # Sanity check the hostname for ping-tests, to
+    # avoid this security hole:
+    #
+    #   $(/tmp/exploit.sh) must run ping ..
+    #
+    if ( @host !~ /^([a-zA-Z0-9:\-\.]+)$/ )
+      @error = "Invalid hostname for ping-test: #{@host}"
+      return false
+    end
+
+
+    #
+    # Run the test.
+    #
+    if ( system( "#{binary} #{host}" ) == true )
+      return true
+    else
+      @error = "Ping failed."
+      return false
+    end
+
+  end
+
+
+
+
+  #
+  # If the test fails then report the error.
+  #
+  def error
+    @error
+  end
+
+
+
+
+  register_test_type "ping"
+
+
+
+
+end
-- 
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