From: oetiker <oetiker@a5681a0c-68f1-0310-ab6d-d61299d08faa>
Date: Tue, 27 Sep 2011 06:15:36 +0000 (+0000)
Subject: fix buffer overflow for LONG lines in journal handling code for update requests.
X-Git-Url: https://git.octo.it/?p=rrdtool.git;a=commitdiff_plain;h=7af26ea5c6f5e094e7c02dc47ceb0f87f5f2af48

fix buffer overflow for LONG lines in journal handling code for update requests.
fix for #316


git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@2202 a5681a0c-68f1-0310-ab6d-d61299d08faa
---

diff --git a/src/rrd_daemon.c b/src/rrd_daemon.c
index 9ecd39f..2737144 100644
--- a/src/rrd_daemon.c
+++ b/src/rrd_daemon.c
@@ -1331,7 +1331,7 @@ static int handle_request_update (HANDLER_PROTO) /* {{{ */
 
   /* save it for the journal later */
   if (!JOURNAL_REPLAY(sock))
-    strncpy(orig_buf, buffer, buffer_size);
+    strncpy(orig_buf, buffer, min(RRD_CMD_MAX,buffer_size));
 
   status = buffer_get_field (&buffer, &buffer_size, &file);
   if (status != 0)