From: Wayne Davison <wayned@samba.org>
Date: Fri, 13 May 2005 22:02:24 +0000 (+0000)
Subject: If adding a trailing dot to a directory name overflows
X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/commitdiff_plain/557a35f55bf4cb99f5cce1d966598e11c03318cc

If adding a trailing dot to a directory name overflows
MAXPATHLEN, die with an overflow error.
---

diff --git a/flist.c b/flist.c
index 29d75cab..b3c966ed 100644
--- a/flist.c
+++ b/flist.c
@@ -1120,7 +1120,9 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 			if (l == 2 && fname[0] == '.') {
 				/* Turn "./" into just "." rather than "./." */
 				fname[1] = '\0';
-			} else if (l < MAXPATHLEN) {
+			} else {
+				if (l + 1 >= MAXPATHLEN)
+					overflow("send_file_list");
 				fname[l++] = '.';
 				fname[l] = '\0';
 			}