From 98e7fbb2acee0238381feea5d583fc439aae08e2 Mon Sep 17 00:00:00 2001
From: nicm <nicm>
Date: Mon, 23 Jan 2017 10:09:43 +0000
Subject: Open /dev/ptm before pledge() and save it to be used for PTMGET later
 (this means inlining forkpty()).

ok deraadt
---
 tmux.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'tmux.c')

diff --git a/tmux.c b/tmux.c
index e80e2b06..d5e962df 100644
--- a/tmux.c
+++ b/tmux.c
@@ -43,6 +43,7 @@ struct hooks	*global_hooks;
 
 struct timeval	 start_time;
 const char	*socket_path;
+int		 ptm_fd = -1;
 
 static __dead void	 usage(void);
 static char		*make_label(const char *);
@@ -258,6 +259,8 @@ main(int argc, char **argv)
 	if (shellcmd != NULL && argc != 0)
 		usage();
 
+	if (pty_open(&ptm_fd) != 0)
+		errx(1, "open(\"/dev/ptm\"");
 	if (pledge("stdio rpath wpath cpath flock fattr unix getpw sendfd "
 	    "recvfd proc exec tty ps", NULL) != 0)
 		err(1, "pledge");
-- 
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