From: Günther Deschner <gd@samba.org>
Date: Tue, 8 May 2018 11:46:11 +0000 (+0200)
Subject: s3-printing: fix format-truncation in print_queue_update()
X-Git-Tag: ldb-1.3.4~34
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1b420a212e38760d801449932d1905cd74f98979;p=thirdparty%2Fsamba.git

s3-printing: fix format-truncation in print_queue_update()

../source3/printing/printing.c: In function ‘print_queue_update’:
../source3/printing/printing.c:1809:42: error: ‘%s’ directive output may be truncated writing up to 255 bytes into a region of size 244 [-Werror=format-truncation=]
  snprintf(key, sizeof(key), "MSG_PENDING/%s", sharename);
                                          ^~   ~~~~~~~~~
../source3/printing/printing.c:1809:2: note: ‘snprintf’ output between 13 and 268 bytes into a destination of size 256
  snprintf(key, sizeof(key), "MSG_PENDING/%s", sharename);

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13437

Guenther

Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
(cherry picked from commit 6326b3415f3e225aafd5912d0965c80abcd7b22c)
---

diff --git a/source3/printing/printing.c b/source3/printing/printing.c
index e4bb1d84f69..38d718045a1 100644
--- a/source3/printing/printing.c
+++ b/source3/printing/printing.c
@@ -1693,7 +1693,7 @@ extern pid_t background_lpq_updater_pid;
 static void print_queue_update(struct messaging_context *msg_ctx,
 			       int snum, bool force)
 {
-	fstring key;
+	char key[268];
 	fstring sharename;
 	char *lpqcommand = NULL;
 	char *lprmcommand = NULL;