4 files changed, 15 insertions, 1 deletions
diff --git a/lib/puppet/parser/functions/floor.rb b/lib/puppet/parser/functions/floor.rb
index a401923..9a6f014 100644
--- a/lib/puppet/parser/functions/floor.rb
+++ b/lib/puppet/parser/functions/floor.rb
@@ -8,7 +8,12 @@ module Puppet::Parser::Functions
     raise(Puppet::ParseError, "floor(): Wrong number of arguments " +
           "given (#{arguments.size} for 1)") if arguments.size != 1
 
-    arg = arguments[0]
+    begin
+      arg = Float(arguments[0])
+    rescue TypeError, ArgumentError => e
+      raise(Puppet::ParseError, "floor(): Wrong argument type " +
+            "given (#{arguments[0]} for Numeric)")
+    end
 
     raise(Puppet::ParseError, "floor(): Wrong argument type " +
           "given (#{arg.class} for Numeric)") if arg.is_a?(Numeric) == false
diff --git a/lib/puppet/parser/functions/is_domain_name.rb b/lib/puppet/parser/functions/is_domain_name.rb
index 5826dc0..b3fee96 100644
--- a/lib/puppet/parser/functions/is_domain_name.rb
+++ b/lib/puppet/parser/functions/is_domain_name.rb
@@ -20,6 +20,9 @@ Returns true if the string passed to this function is a syntactically correct do
     label_min_length=1
     label_max_length=63
 
+    # Only allow string types
+    return false unless domain.is_a?(String)
+
     # Allow ".", it is the top level domain
     return true if domain == '.'
 
diff --git a/lib/puppet/parser/functions/is_float.rb b/lib/puppet/parser/functions/is_float.rb
index 911f3c2..a2da943 100644
--- a/lib/puppet/parser/functions/is_float.rb
+++ b/lib/puppet/parser/functions/is_float.rb
@@ -15,6 +15,9 @@ Returns true if the variable passed to this function is a float.
 
     value = arguments[0]
 
+    # Only allow Numeric or String types
+    return false unless value.is_a?(Numeric) or value.is_a?(String)
+
     if value != value.to_f.to_s and !value.is_a? Float then
       return false
     else
diff --git a/lib/puppet/parser/functions/is_function_available.rb b/lib/puppet/parser/functions/is_function_available.rb
index 6cbd35c..6da82c8 100644
--- a/lib/puppet/parser/functions/is_function_available.rb
+++ b/lib/puppet/parser/functions/is_function_available.rb
@@ -15,6 +15,9 @@ true if the function exists, false if not.
         "given #{arguments.size} for 1")
     end
 
+    # Only allow String types
+    return false unless arguments[0].is_a?(String)
+
     function = Puppet::Parser::Functions.function(arguments[0].to_sym)
     function.is_a?(String) and not function.empty?
   end