init: expand prop in 'file' (9d227e92) · Commits · e / os / android_system_core

init/service.cpp

+5 −0

Original line number	Diff line number	Diff line
		@@ -756,6 +756,11 @@ Result<Success> Service::ParseFile(std::vector<std::string>&& args) {
		if (args[2] != "r" && args[2] != "w" && args[2] != "rw") {
		return Error() << "file type must be 'r', 'w' or 'rw'";
		}
		std::string expanded;
		if (!expand_props(args[1], &expanded)) {
		return Error() << "Could not expand property in file path '" << args[1] << "'";
		}
		args[1] = std::move(expanded);
		if ((args[1][0] != '/') \|\| (args[1].find("../") != std::string::npos)) {
		return Error() << "file name must not be relative";
		}