Add support for new devices attached after kloak starts (adapted from v…

…monaco/kloak#67)

debian/kloak.install

@@ -8,3 +8,4 @@ kloak usr/sbin/
 
 etc/*
 usr/*
+lib/*

lib/udev/rules.d/95-kloak.rules

@@ -0,0 +1,23 @@
+SUBSYSTEM!="input", GOTO="end"
+
+
+# do not run kloak on devices created by kloak
+KERNEL=="event*", ATTRS{name}=="kloak*", GOTO="end"
+
+# new keyboard or mouse attached, start kloak@event[0-9].service
+KERNEL=="event*", ACTION=="add", ENV{ID_INPUT_KEYBOARD}=="1", RUN+="/usr/bin/systemctl restart kloak.service"
+KERNEL=="event*", ACTION=="add", ENV{ID_INPUT_KEYBOARD}=="1", GOTO="end"
+
+KERNEL=="event*", ACTION=="add", ENV{ID_INPUT_MOUSE}=="1", RUN+="/usr/bin/systemctl restart kloak.service"
+KERNEL=="event*", ACTION=="add", ENV{ID_INPUT_MOUSE}=="1", GOTO="end"
+
+
+# keyboard or mouse removed, stop the service
+KERNEL=="event*", ACTION=="remove", ENV{ID_INPUT_KEYBOARD}=="1", RUN+="/usr/bin/systemctl restart kloak.service"
+KERNEL=="event*", ACTION=="remove", ENV{ID_INPUT_KEYBOARD}=="1", GOTO="end"
+
+KERNEL=="event*", ACTION=="remove", ENV{ID_INPUT_MOUSE}=="1", RUN+="/usr/bin/systemctl restart kloak.service"
+KERNEL=="event*", ACTION=="remove", ENV{ID_INPUT_MOUSE}=="1", GOTO="end"
+
+
+LABEL="end"

src/main.c

@@ -232,12 +232,15 @@ void init_inputs() {
 }
 
 void init_outputs() {
+    const char *name = "kloak output device";
     for (int i = 0; i < device_count; i++) {
         int err = libevdev_new_from_fd(input_fds[i], &output_devs[i]);
 
         if (err != 0)
             panic("Could not create evdev for input device: %s", named_inputs[i]);
 
+        libevdev_set_name(output_devs[i], name);
+
         err = libevdev_uinput_create_from_device(output_devs[i], LIBEVDEV_UINPUT_OPEN_MANAGED, &uidevs[i]);
 
         if (err != 0)