[openssh-commits] [openssh] 01/04: upstream: set interactive mode for ControlPersist sessions if they

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djm pushed a commit to branch master
in repository openssh.

commit 43254b326ac6e2131dbd750f9464dc62c14bd5a7
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Sun Sep 3 23:59:32 2023 +0000

    upstream: set interactive mode for ControlPersist sessions if they
    
    originally requested a tty; enables keystroke timing obfuscation for most
    ControlPersist sessions. Spotted by naddy@
    
    OpenBSD-Commit-ID: 72783a26254202e2f3f41a2818a19956fe49a772
---
 ssh.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/ssh.c b/ssh.c
index caf3c692..1dbbda7d 100644
--- a/ssh.c
+++ b/ssh.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh.c,v 1.593 2023/07/26 23:06:00 djm Exp $ */
+/* $OpenBSD: ssh.c,v 1.594 2023/09/03 23:59:32 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo at cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo at cs.hut.fi>, Espoo, Finland
@@ -2140,7 +2140,7 @@ ssh_session2_open(struct ssh *ssh)
 static int
 ssh_session2(struct ssh *ssh, const struct ssh_conn_info *cinfo)
 {
-	int r, id = -1;
+	int r, interactive, id = -1;
 	char *cp, *tun_fwd_ifname = NULL;
 
 	/* XXX should be pre-session */
@@ -2197,8 +2197,11 @@ ssh_session2(struct ssh *ssh, const struct ssh_conn_info *cinfo)
 	if (options.session_type != SESSION_TYPE_NONE)
 		id = ssh_session2_open(ssh);
 	else {
-		ssh_packet_set_interactive(ssh,
-		    options.control_master == SSHCTL_MASTER_NO,
+		interactive = options.control_master == SSHCTL_MASTER_NO;
+		/* ControlPersist may have clobbered ControlMaster, so check */
+		if (need_controlpersist_detach)
+			interactive = otty_flag != 0;
+		ssh_packet_set_interactive(ssh, interactive,
 		    options.ip_qos_interactive, options.ip_qos_bulk);
 	}
 

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