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-rw-r--r--src/xz/main.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/xz/main.c b/src/xz/main.c
index ca8a4680..63e1780c 100644
--- a/src/xz/main.c
+++ b/src/xz/main.c
@@ -163,6 +163,19 @@ main(int argc, char **argv)
// on the command line, thus this must be done before args_parse().
hardware_init();
+#ifdef HAVE_PLEDGE
+ // OpenBSD's pledge() sandbox
+ //
+ // Unconditionally enable sandboxing with fairly relaxed promises.
+ // This is still way better than having no sandbox at all. :-)
+ // More strict promises will be made later in file_io.c if possible.
+ //
+ // This is done only after the above initializations
+ // as the error message needs locale support.
+ if (pledge("stdio rpath wpath cpath fattr", ""))
+ message_fatal(_("Failed to enable the sandbox"));
+#endif
+
// Parse the command line arguments and get an array of filenames.
// This doesn't return if something is wrong with the command line
// arguments. If there are no arguments, one filename ("-") is still