- stevesk@cvs.openbsd.org 2002/03/04 18:30:23

     [ssh-keyscan.c]
     handle connection close during read of protocol version string.
     fixes erroneous "bad greeting".  ok markus@

2 files changed, 11 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 84d76a039..d8dc035bb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -54,6 +54,10 @@
      $OpenBSD$ and RCSID() cleanup: don't use RCSID() in .h files; add
      missing RCSID() to .c files and remove dup /*$OpenBSD$*/ from .c
      files.  ok markus@
+   - stevesk@cvs.openbsd.org 2002/03/04 18:30:23
+     [ssh-keyscan.c]
+     handle connection close during read of protocol version string.
+     fixes erroneous "bad greeting".  ok markus@
 
 20020226
  - (tim) Bug 12 [configure.ac] add sys/bitypes.h to int64_t tests
@@ -7785,4 +7789,4 @@
  - Wrote replacements for strlcpy and mkdtemp
  - Released 1.0pre1
 
-$Id: ChangeLog,v 1.1904 2002/03/05 01:53:02 mouring Exp $
+$Id: ChangeLog,v 1.1905 2002/03/05 01:54:52 mouring Exp $
diff --git a/ssh-keyscan.c b/ssh-keyscan.c
index 88f10ebec..824264c32 100644
--- a/ssh-keyscan.c
+++ b/ssh-keyscan.c
@@ -7,7 +7,7 @@
  */
 
 #include "includes.h"
-RCSID("$OpenBSD: ssh-keyscan.c,v 1.34 2002/02/22 12:20:34 markus Exp $");
+RCSID("$OpenBSD: ssh-keyscan.c,v 1.35 2002/03/04 18:30:23 stevesk Exp $");
 
 #if defined(HAVE_SYS_QUEUE_H) && !defined(HAVE_BOGUS_SYS_QUEUE_H)
 #include <sys/queue.h>
@@ -511,6 +511,11 @@ congreet(int s)
                 conrecycle(s);
                 return;
         }
+        if (n == 0) {
+                error("%s: Connection closed by remote host", c->c_name);
+                conrecycle(s);
+                return;
+        }
         if (*cp != '\n' && *cp != '\r') {
                 error("%s: bad greeting", c->c_name);
                 confree(s);