[Toybox] [PATCH] getty should disable CLOEXEC
Isaac Dunham
ibid.ag at gmail.com
Fri Aug 22 20:16:51 PDT 2014
getty needs fd 0 to stay open.
The O_CLOEXEC reversal resulted in login failing.
Thanks,
Isaac Dunham
-------------- next part --------------
diff --git a/toys/pending/getty.c b/toys/pending/getty.c
index 0cfd750..c737628 100644
--- a/toys/pending/getty.c
+++ b/toys/pending/getty.c
@@ -128,7 +128,7 @@ static void open_tty(void)
if ((setsid() < 0) && (getpid() != getsid(0)))
perror_exit("setsid");
xclose(0);
- xopen(TT.tty_name, O_RDWR|O_NDELAY);
+ xopen(TT.tty_name, O_RDWR|O_NDELAY|O_CLOEXEC);
fcntl(0, F_SETFL, fcntl(0, F_GETFL) & ~O_NONBLOCK); // Block read
dup2(0, 1);
dup2(0, 2);
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