sway

commit e53ba08626e432f9ec14a7002a0d3ffd00b93c5d
parent aece36cd22aa50015d1eb737b2b31a0b7087e813
Author: Eric Engestrom <eric@engestrom.ch>
Date:   Sun,  1 May 2016 13:39:44 +0100

sway: fix potential buffer overflow

Diffstat:
M
sway/commands.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sway/commands.c b/sway/commands.c
@@ -506,7 +506,8 @@ static struct cmd_results *cmd_exec_always(int argc, char **argv) {
 
 	// Put argument into cmd array
 	char cmd[4096];
-	strcpy(cmd, tmp);
+	strncpy(cmd, tmp, sizeof(cmd));
+	cmd[sizeof(cmd) - 1] = 0;
 	free(tmp);
 	sway_log(L_DEBUG, "Executing %s", cmd);