From: Karel Zak <kzak@redhat.com>
Date: Mon, 2 Dec 2013 12:42:01 +0000 (+0100)
Subject: script: check that stdin is a terminal
X-Git-Tag: v2.25-rc1~706
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f50473e7ca7354160c650850b497fc819cbea162;p=thirdparty%2Futil-linux.git

script: check that stdin is a terminal

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/term-utils/script.c b/term-utils/script.c
index 1de0c3a816..c18274c1c2 100644
--- a/term-utils/script.c
+++ b/term-utils/script.c
@@ -229,6 +229,10 @@ main(int argc, char **argv) {
 		fname = DEFAULT_OUTPUT;
 		die_if_link(fname);
 	}
+
+	if (!isatty(STDIN_FILENO))
+		errx(EXIT_FAILURE, _("The stdin is not a terminal."));
+
 	if ((fscript = fopen(fname, aflg ? "a" : "w")) == NULL) {
 		warn(_("cannot open %s"), fname);
 		fail();