From: Ted Lemon <source@isc.org>
Date: Fri, 20 Apr 2001 20:14:07 +0000 (+0000)
Subject: Don't allow writes on a closed connection.
X-Git-Tag: V3-RC2~4
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c1d58ae6ecdbaf69f63a838cde9644b4d0f9298f;p=thirdparty%2Fdhcp.git

Don't allow writes on a closed connection.
---

diff --git a/omapip/buffer.c b/omapip/buffer.c
index 253da9e1f..d007a23a0 100644
--- a/omapip/buffer.c
+++ b/omapip/buffer.c
@@ -292,6 +292,12 @@ isc_result_t omapi_connection_copyin (omapi_object_t *h,
 		return ISC_R_INVALIDARG;
 	c = (omapi_connection_object_t *)h;
 
+	/* If the connection is closed, return an error if the caller
+	   tries to copy in. */
+	if (c -> state == omapi_connection_disconnecting ||
+	    c -> state == omapi_connection_closed)
+		return ISC_R_NOTCONNECTED;
+
 	if (c -> outbufs) {
 		for (buffer = c -> outbufs;
 		     buffer -> next; buffer = buffer -> next)