sway

commit a3e574f63ffdf34b1bc21620be3d065cee1ea54b
parent b300bace0f1da0fe19336ad8b3a70802fc49a57a
Author: Di Ma <focus64@gmail.com>
Date:   Sun, 22 Mar 2020 15:21:51 -0700

Fix a use-after-free error in switch binding

Diffstat:
M
sway/input/switch.c
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/sway/input/switch.c b/sway/input/switch.c
@@ -1,8 +1,10 @@
+#define _POSIX_C_SOURCE 200809L
 #include "sway/config.h"
 #include "sway/desktop/transaction.h"
 #include "sway/input/switch.h"
 #include <wlr/types/wlr_idle.h>
 #include "log.h"
+#include <string.h>
 
 struct sway_switch *sway_switch_create(struct sway_seat *seat,
 		struct sway_seat_device *device) {
@@ -56,7 +58,7 @@ static void execute_binding(struct sway_switch *sway_switch) {
 			calloc(1, sizeof(struct sway_binding));
 		dummy_binding->type = BINDING_SWITCH;
 		dummy_binding->flags = matched_binding->flags;
-		dummy_binding->command = matched_binding->command;
+		dummy_binding->command = strdup(matched_binding->command);
 
 		seat_execute_command(seat, dummy_binding);
 		free(dummy_binding);