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-rw-r--r--ssh.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/ssh.c b/ssh.c
index 4998ebc1..380e1e66 100644
--- a/ssh.c
+++ b/ssh.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh.c,v 1.515 2020/01/25 00:21:08 djm Exp $ */
+/* $OpenBSD: ssh.c,v 1.516 2020/01/27 20:51:32 markus Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1248,11 +1248,18 @@ main(int ac, char **av)
strcmp(options.proxy_command, "-") == 0 &&
options.proxy_use_fdpass)
fatal("ProxyCommand=- and ProxyUseFDPass are incompatible");
- if (options.control_persist && options.control_path != NULL &&
- options.update_hostkeys == SSH_UPDATE_HOSTKEYS_ASK) {
- debug("UpdateHostKeys=ask is incompatible with ControlPersist; "
- "disabling");
- options.update_hostkeys = 0;
+ if (options.update_hostkeys == SSH_UPDATE_HOSTKEYS_ASK) {
+ if (options.control_persist && options.control_path != NULL) {
+ debug("UpdateHostKeys=ask is incompatible with "
+ "ControlPersist; disabling");
+ options.update_hostkeys = 0;
+ } else if (sshbuf_len(command) != 0 ||
+ options.remote_command != NULL ||
+ options.request_tty == REQUEST_TTY_NO) {
+ debug("UpdateHostKeys=ask is incompatible with "
+ "remote command execution; disabling");
+ options.update_hostkeys = 0;
+ }
}
if (options.connection_attempts <= 0)
fatal("Invalid number of ConnectionAttempts");