playlist_edit: move UID check to client_allow_file()

1 files changed, 43 insertions, 0 deletions

diff --git a/src/client_file.h b/src/client_file.h
new file mode 100644
index 000000000..3dcbe7500
--- /dev/null
+++ b/src/client_file.h
@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2003-2012 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_CLIENT_FILE_H
+#define MPD_CLIENT_FILE_H
+
+#include <glib.h>
+#include <stdbool.h>
+
+struct client;
+
+/**
+ * Is this client allowed to use the specified local file?
+ *
+ * Note that this function is vulnerable to timing/symlink attacks.
+ * We cannot fix this as long as there are plugins that open a file by
+ * its name, and not by file descriptor / callbacks.
+ *
+ * @param path_fs the absolute path name in filesystem encoding
+ * @return true if access is allowed
+ */
+G_GNUC_PURE
+bool
+client_allow_file(const struct client *client, const char *path_fs,
+		  GError **error_r);
+
+#endif