--- netrc-2.6.py	2012-06-09 11:30:13.688554000 +0200
+++ netrc.py	2012-06-09 11:13:30.862460000 +0200
@@ -2,13 +2,13 @@
 
 # Module and documentation by Eric S. Raymond, 21 Dec 1998
 
-import os, shlex
+import os, stat, shlex
 
 __all__ = ["netrc", "NetrcParseError"]
 
 
 class NetrcParseError(Exception):
-    """Exception raised on syntax errors in the .netrc file."""
+    """Exception raised on errors in the .netrc file."""
     def __init__(self, msg, filename=None, lineno=None):
         self.filename = filename
         self.lineno = lineno
@@ -16,7 +16,10 @@
         Exception.__init__(self, msg)
 
     def __str__(self):
-        return "%s (%s, line %s)" % (self.msg, self.filename, self.lineno)
+        if self.lineno is None :
+            return "%s (%s)" % (self.msg, self.filename)
+        else:
+            return "%s (%s, line %s)" % (self.msg, self.filename, self.lineno)
 
 
 class netrc:
@@ -27,6 +30,14 @@
             except KeyError:
                 raise IOError("Could not find .netrc: $HOME is not set")
         fp = open(file)
+	prop = os.fstat(fp.fileno())
+	if os.name == 'posix':
+            if prop.st_uid != os.getuid():
+                raise NetrcParseError(
+                    ".netrc file owned by somebody else (%d)" % prop.st_uid, file)
+	if (prop.st_mode & (stat.S_IRWXG | stat.S_IRWXO)):
+            raise NetrcParseError(
+			    ".netrc file : incorrect mode", file)
         self.hosts = {}
         self.macros = {}
         lexer = shlex.shlex(fp)