implement unlink()

Author: vortec

commands.c

@@ -159,3 +159,27 @@ int python_rename(vfs_handle_struct *handle,
         return -1;
     }
 }
+
+int python_unlink(vfs_handle_struct *handle,
+                  const struct smb_filename *smb_fname)
+{
+    int success = 1;
+
+    PyObject *py_func = get_func(handle, "unlink");
+    if (py_func != NULL)
+    {
+        PyObject *py_ret = PyObject_CallFunction(py_func, "s", smb_fname->base_name);
+        success = PyObject_IsTrue(py_ret);
+        Py_DECREF(py_ret);
+        Py_DECREF(py_func);
+    }
+
+    if (success == 1)
+    {
+        return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
+    }
+    else
+    {
+        return -1;
+    }
+}

commands.h

@@ -29,3 +29,5 @@ NTSTATUS python_create_file(struct vfs_handle_struct *handle,
 int python_rename(vfs_handle_struct *handle,
                   const struct smb_filename *smb_fname_src,
                   const struct smb_filename *smb_fname_dst);
+int python_unlink(vfs_handle_struct *handle,
+                  const struct smb_filename *smb_fname);

handler.py

@@ -27,3 +27,9 @@ def rename(source, target):
     if target == 'bad_file':
         return False
     return True
+
+def unlink(path):
+    debug('Unlink: {}'.format(path))
+    if path == 'mc_hammer':
+        return False
+    return True

vfs_python.c

@@ -7,7 +7,8 @@ static struct vfs_fn_pointers vfs_python_fns = {
         .mkdir_fn = python_mkdir,
         .rmdir_fn = python_rmdir,
         .create_file_fn = python_create_file,
-        .rename_fn = python_rename
+        .rename_fn = python_rename,
+        .unlink_fn = python_unlink
 };
 
 #define vfs_python_init samba_init_module