From: simon <simon@cda61777-01e9-0310-a592-d414129be87e>
Date: Thu, 1 Feb 2001 14:09:00 +0000 (+0000)
Subject: Ignore the zero byte at the start of the rlogin main protocol
X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/commitdiff_plain/8a5fb9e347cb5f1f80cd1f6511afe2dfff7516dd

Ignore the zero byte at the start of the rlogin main protocol


git-svn-id: svn://svn.tartarus.org/sgt/putty@920 cda61777-01e9-0310-a592-d414129be87e
---

diff --git a/rlogin.c b/rlogin.c
index 9ce73095..e20b9e68 100644
--- a/rlogin.c
+++ b/rlogin.c
@@ -49,8 +49,22 @@ static int rlogin_receive (Socket skt, int urgent, char *data, int len) {
          * on 0x10 and 0x20 respectively. I'm not convinced it's
          * worth it...
          */
+    } else {
+        /*
+         * Main rlogin protocol. This is really simple: the first
+         * byte is expected to be NULL and is ignored, and the rest
+         * is printed.
+         */
+        static int firstbyte = 1;
+        if (firstbyte) {
+            if (data[0] == '\0') {
+                data++;
+                len--;
+            }
+            firstbyte = 0;
+        }
+        c_write(data, len);
     }
-    c_write(data, len);
     return 1;
 }