busybox: fail if --install is not given an absolute path
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 69cac2e..fc84d36 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -721,10 +721,9 @@
* In such case, better use argv[0] as symlink target
* if it is a full path name.
*/
- if (argv[0][0] == '/')
- busybox = argv[0];
- else
- busybox = bb_busybox_exec_path;
+ if (argv[0][0] != '/')
+ bb_error_msg_and_die("'%s' is not an absolute path", argv[0]);
+ busybox = argv[0];
}
/* busybox --install [-s] [DIR]:
* -s: make symlinks