From: Simon Tatham <anakin@pobox.com>
Date: Wed, 15 Feb 2017 06:03:50 +0000 (+0000)
Subject: Windows Plink: treat EOF at host key prompt as 'abort connection'.
X-Git-Tag: 0.68~17
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=24c9cfc800c5e81819d80fd3eda953f950e263d6;p=PuTTY.git

Windows Plink: treat EOF at host key prompt as 'abort connection'.

Thanks to Didrik Nordström for pointing out that we currently treated
it as 'whatever happened to be in line[0] before ReadFile didn't get
any data'.
---

diff --git a/windows/wincons.c b/windows/wincons.c
index d7b95704..efdecd58 100644
--- a/windows/wincons.c
+++ b/windows/wincons.c
@@ -131,6 +131,8 @@ int verify_ssh_host_key(void *frontend, char *host, int port,
 	fflush(stderr);
     }
 
+    line[0] = '\0';         /* fail safe if ReadFile returns no data */
+
     hin = GetStdHandle(STD_INPUT_HANDLE);
     GetConsoleMode(hin, &savemode);
     SetConsoleMode(hin, (savemode | ENABLE_ECHO_INPUT |