From 381ddb464fd0da671d567177f1ded10f67952692 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sun, 23 Apr 2000 08:13:12 +0000
Subject: [PATCH] check for a valid snum when running a printing command

---
 source/printing/printing.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/printing/printing.c b/source/printing/printing.c
index 6e9482ad4ec..2f36cf2f3f2 100644
--- a/source/printing/printing.c
+++ b/source/printing/printing.c
@@ -140,6 +140,11 @@ static int print_run_command(int snum,char *command,
 
 	if (!command || !*command) return -1;
 
+	if (!VALID_SNUM(snum)) {
+		DEBUG(0,("Invalid snum %d for command %s\n", snum, command));
+		return -1;
+	}
+
 	pstrcpy(syscmd, command);
 	if (a1) pstring_sub(syscmd, a1, v1);
 	if (a2) pstring_sub(syscmd, a2, v2);