add some duplicate file prevention

git-svn-id: https://kippo.googlecode.com/svn/trunk@12 951d7100-d841-11de-b865-b3884708a8e2

commands/base.py

@@ -71,6 +71,10 @@ class command_mkdir(HoneyPotCommand):
                     'mkdir: cannot create directory `%s\': ' % f + \
                     'No such file or directory')
                 return
+            if f in [x[A_NAME] for x in dir]:
+                self.honeypot.writeln(
+                    'mkdir: cannot create directory `test\': File exists')
+                return
             dir.append([f, T_DIR, 0, 0, 4096, 16877, time.time(), [], None])
 
 class command_uptime(HoneyPotCommand):

commands/wget.py

@@ -49,6 +49,8 @@ Saving to: `%(file)s'
             }
         self.honeypot.writeln(output)
         cwd = self.honeypot.fs.get_path(self.honeypot.cwd)
+        if outfile in [x[A_NAME] for x in cwd]:
+            cwd.remove([x for x in cwd if x[A_NAME] == outfile][0])
         cwd.append((outfile, T_FILE, 0, 0, size, 33188, time.time(), [], None))
 
         # now just dl the file in background...