From: Yoshiyuki Asaba <y-asaba at pgfoundry.org>
Date: Tue, 22 May 2007 06:21:30 +0000 (+0000)
Subject: Add checking a message length is valid.
X-Git-Tag: V3_4~35
X-Git-Url: http://git.postgresql.org/gitweb/?a=commitdiff_plain;h=0271f1424548518fcd342a40efb4080444b40f29;p=pgpool1.git

Add checking a message length is valid.
(Reported by Fujii Masao)
---

diff --git a/pool_process_query.c b/pool_process_query.c
index 530367e..fec05fb 100644
--- a/pool_process_query.c
+++ b/pool_process_query.c
@@ -2736,8 +2736,10 @@ POOL_STATUS SimpleForwardToBackend(char kind, POOL_CONNECTION *frontend, POOL_CO
 
 	len = ntohl(sendlen) - 4;
 
-	if (len <= 0)
+	if (len == 0)
 		return POOL_CONTINUE;
+	else if (len < 0)
+		return POOL_END;
 
 	p = pool_read2(frontend, len);
 	if (p == NULL)