upstream commit

Increase the buffer sizes for user prompts to ensure that
they won't be truncated by snprintf.  Based on patch from cjwatson at
debian.org via bz#2768, ok djm@

Upstream-ID: 6ffacf1abec8f40b469de5b94bfb29997d96af3e
diff --git a/sshconnect2.c b/sshconnect2.c
index 0638818..be9397e 100644
--- a/sshconnect2.c
+++ b/sshconnect2.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sshconnect2.c,v 1.265 2017/08/11 04:47:12 djm Exp $ */
+/* $OpenBSD: sshconnect2.c,v 1.266 2017/08/27 00:38:41 dtucker Exp $ */
 /*
  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
  * Copyright (c) 2008 Damien Miller.  All rights reserved.
@@ -895,7 +895,7 @@
 userauth_passwd(Authctxt *authctxt)
 {
 	static int attempt = 0;
-	char prompt[150];
+	char prompt[256];
 	char *password;
 	const char *host = options.host_key_alias ?  options.host_key_alias :
 	    authctxt->host;
@@ -935,7 +935,7 @@
 {
 	Authctxt *authctxt = ssh->authctxt;
 	char *info, *lang, *password = NULL, *retype = NULL;
-	char prompt[150];
+	char prompt[256];
 	const char *host;
 
 	debug2("input_userauth_passwd_changereq");