From e68e88d2de7449b53c98ad7fc3e1ff169313bef3 Mon Sep 17 00:00:00 2001
From: Alex Wilson <alex.wilson@joyent.com>
Date: Wed, 5 Aug 2015 12:25:15 -0700
Subject: [PATCH 21/34] Try to create privsep chroot dir if it doesn't exist
 yet

diff -wpruN --no-dereference '--exclude=*.orig' a~/sshd-session.c a/sshd-session.c
--- a~/sshd-session.c	1970-01-01 00:00:00
+++ a/sshd-session.c	1970-01-01 00:00:00
@@ -303,6 +303,20 @@ privsep_preauth_child(void)
 
 	/* Demote the child */
 	if (privsep_chroot) {
+		struct stat st;
+		int rc;
+
+ 		if ((stat(_PATH_PRIVSEP_CHROOT_DIR, &st) == -1) ||
+		    (S_ISDIR(st.st_mode) == 0)) {
+			rc = mkdir(_PATH_PRIVSEP_CHROOT_DIR, 0755);
+			if (rc != 0) {
+				fatal("Failed to create privilege separation "
+				    "directory %s: %s",
+				    _PATH_PRIVSEP_CHROOT_DIR,
+				    strerror(errno));
+			}
+		}
+
 		/* Change our root directory */
 		if (chroot(_PATH_PRIVSEP_CHROOT_DIR) == -1)
 			fatal("chroot(\"%s\"): %s", _PATH_PRIVSEP_CHROOT_DIR,