Merge pull request #320 from timopollmeier/smb-alert-update-7.0

Improve handling of SMB alert file path (7.0)

src/alert_methods/SMB/alert

@@ -136,16 +136,27 @@ def main():
 
     # get list of subdirectory paths
     dest_parts = dest_path.split('\\')
-    dest_subpaths = [dest_parts[0]]
+    dest_subpaths = []
+    make_dest = ''
+    for i in range(0, len(dest_parts)):
+        if dest_parts[i].endswith('.'):
+            print("File or subdirectory names must not be '.', '..' or"
+                  " end with a dot",
+                  file=sys.stderr)
+            sys.exit(1)
+
     if len(dest_parts) >= 2:
-        make_dest = dest_parts[0]
-        for i in range(1, len(dest_parts)):
-            dest_subpaths.append(make_dest)
-            make_dest += '\\' + dest_parts[i]
+        for i in range(0, len(dest_parts) - 1):
+            if dest_parts[i]:
+                if make_dest:
+                    make_dest += '\\' + dest_parts[i]
+                else:
+                    make_dest = dest_parts[i]
+                dest_subpaths.append(make_dest)
 
     # Find first existing path
     first_existing_path_index = -1
-    for i in range(len(dest_subpaths)-1, 0, -1):
+    for i in range(len(dest_subpaths)-1, -1, -1):
         if smb_dir_exists(auth_path, share, dest_subpaths[i]):
             first_existing_path_index = i
             break