hid: Make game controllers accessible to members of the game group

Their events have to be accessible by unprivileged users via e.g. libsdl.

MFC after:	1 month

share/man/man4/hgame.4

@@ -24,7 +24,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd November 12, 2025
+.Dd November 30, 2025
 .Dt HGAME 4
 .Os
 .Sh NAME
@@ -69,8 +69,9 @@ prompt, or add it to
 To give user applications access to the game controllers,
 allow user access to the
 .Pa /dev/input/event*
-nodes with
-.Xr devfs.rules 5 .
+nodes with inclusion of user in the
+.Em games
+group.
 .Sh HARDWARE
 The
 .Nm

share/man/man4/ps4dshock.4

@@ -21,7 +21,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd September 19, 2020
+.Dd November 30, 2025
 .Dt PS4DSHOCK 4
 .Os
 .Sh NAME
@@ -55,6 +55,9 @@ The
 device presents the game controller as a
 .Ar evdev
 type device.
+It is accessible to members of the
+.Em games
+group.
 .Sh SYSCTL VARIABLES
 Next parameters are available as
 .Xr sysctl 8

share/man/man4/xb360gp.4

@@ -21,7 +21,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd September 16, 2020
+.Dd November 30, 2025
 .Dt XB360GP 4
 .Os
 .Sh NAME
@@ -56,6 +56,9 @@ The
 device presents the game controller as a
 .Ar evdev
 type device.
+It is accessible to members of the
+.Em games
+group.
 .Sh SYSCTL VARIABLES
 The following variable is available as both
 .Xr sysctl 8

sys/dev/hid/hgame.c

@@ -33,8 +33,10 @@
 
 #include <sys/param.h>
 #include <sys/bus.h>
+#include <sys/conf.h>
 #include <sys/kernel.h>
 #include <sys/module.h>
+#include <sys/stat.h>
 #include <sys/sysctl.h>
 
 #include <dev/evdev/input.h>
@@ -170,8 +172,11 @@ hgame_final_cb(HIDMAP_CB_ARGS)
 {
 	struct evdev_dev *evdev = HIDMAP_CB_GET_EVDEV();
 
-	if (HIDMAP_CB_GET_STATE() == HIDMAP_CB_IS_ATTACHING)
+	if (HIDMAP_CB_GET_STATE() == HIDMAP_CB_IS_ATTACHING) {
 		evdev_support_prop(evdev, INPUT_PROP_DIRECT);
+		evdev_set_cdev_mode(evdev, UID_ROOT, GID_GAMES,
+		    S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
+	}
 
 	/* Do not execute callback at interrupt handler and detach */
 	return (ENOSYS);

sys/dev/hid/ps4dshock.c

@@ -37,10 +37,12 @@
 
 #include <sys/param.h>
 #include <sys/bus.h>
+#include <sys/conf.h>
 #include <sys/kernel.h>
 #include <sys/lock.h>
 #include <sys/malloc.h>
 #include <sys/module.h>
+#include <sys/stat.h>
 #include <sys/sx.h>
 #include <sys/sysctl.h>
 
@@ -806,8 +808,11 @@ ps4dshock_final_cb(HIDMAP_CB_ARGS)
 {
 	struct evdev_dev *evdev = HIDMAP_CB_GET_EVDEV();
 
-	if (HIDMAP_CB_GET_STATE() == HIDMAP_CB_IS_ATTACHING)
+	if (HIDMAP_CB_GET_STATE() == HIDMAP_CB_IS_ATTACHING) {
 		evdev_support_prop(evdev, INPUT_PROP_DIRECT);
+		evdev_set_cdev_mode(evdev, UID_ROOT, GID_GAMES,
+		    S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
+	}
 
 	/* Do not execute callback at interrupt handler and detach */
 	return (ENOSYS);
@@ -886,6 +891,8 @@ ps4dsacc_final_cb(HIDMAP_CB_ARGS)
 	if (HIDMAP_CB_GET_STATE() == HIDMAP_CB_IS_ATTACHING) {
 		evdev_support_event(evdev, EV_ABS);
 		evdev_support_prop(evdev, INPUT_PROP_ACCELEROMETER);
+		evdev_set_cdev_mode(evdev, UID_ROOT, GID_GAMES,
+		    S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
 	}
         /* Do not execute callback at interrupt handler and detach */
         return (ENOSYS);