Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/basic/argv-util.h b/src/basic/argv-util.h
new file mode 100644
index 0000000..a20a951
--- /dev/null
+++ b/src/basic/argv-util.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <stdbool.h>
+
+#include "macro.h"
+
+extern int saved_argc;
+extern char **saved_argv;
+
+static inline void save_argc_argv(int argc, char **argv) {
+        /* Protect against CVE-2021-4034 style attacks */
+        assert_se(argc > 0);
+        assert_se(argv);
+        assert_se(argv[0]);
+
+        saved_argc = argc;
+        saved_argv = argv;
+}
+
+bool invoked_as(char *argv[], const char *token);
+bool invoked_by_systemd(void);
+bool argv_looks_like_help(int argc, char **argv);
+
+int rename_process(const char name[]);