From ba277817a02375669b98ce614d8513333986cd6a Mon Sep 17 00:00:00 2001
From: "Josh.5" <jsunnex@gmail.com>
Date: Fri, 14 Jan 2022 08:47:18 +1300
Subject: [PATCH] Use host udev and /dev/input then ensure correct permissions
 on files for steam

---
 devops/run_server.sh                          |  4 +-
 .../41-configure-device-user-permision.sh     | 15 +++++++
 overlay/usr/bin/ensure-groups                 | 45 +++++++++++++++++++
 3 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100644 overlay/etc/cont-init.d/41-configure-device-user-permision.sh
 create mode 100644 overlay/usr/bin/ensure-groups

diff --git a/devops/run_server.sh b/devops/run_server.sh
index 9b27c17..08f89d4 100755
--- a/devops/run_server.sh
+++ b/devops/run_server.sh
@@ -5,7 +5,7 @@
 # File Created: Saturday, 8th January 2022 2:34:23 pm
 # Author: Josh.5 (jsunnex@gmail.com)
 # -----
-# Last Modified: Friday, 14th January 2022 8:45:00 am
+# Last Modified: Friday, 14th January 2022 8:45:04 am
 # Modified By: Josh.5 (jsunnex@gmail.com)
 ###
 
@@ -123,6 +123,8 @@ docker run -d --name="${container_name}" \
     -e ENABLE_VNC_AUDIO="false" \
     -v "${project_base_path}/config/home/default-${container_name}":"/home/default":"rw"  \
     -v "/tmp/":"/tmp/":"rw"  \
+    -v /dev/input:/dev/input:ro \
+    -v /run/udev:/run/udev:ro \
     --hostname="${container_name}" \
     --shm-size=2G \
     ${additional_docker_params} \
diff --git a/overlay/etc/cont-init.d/41-configure-device-user-permision.sh b/overlay/etc/cont-init.d/41-configure-device-user-permision.sh
new file mode 100644
index 0000000..6ff431e
--- /dev/null
+++ b/overlay/etc/cont-init.d/41-configure-device-user-permision.sh
@@ -0,0 +1,15 @@
+#!/usr/bin/env bash
+###
+# File: configure-device-user-permision.sh
+# Project: bin
+# File Created: Thursday, 13th January 2022 10:30:36 pm
+# Author: Josh.5 (jsunnex@gmail.com)
+# -----
+# Last Modified: Thursday, 13th January 2022 10:37:28 pm
+# Modified By: Josh.5 (jsunnex@gmail.com)
+###
+
+
+chmod +x /usr/bin/ensure-groups
+
+/usr/bin/ensure-groups /dev/uinput /dev/input/event*
diff --git a/overlay/usr/bin/ensure-groups b/overlay/usr/bin/ensure-groups
new file mode 100644
index 0000000..1bc2321
--- /dev/null
+++ b/overlay/usr/bin/ensure-groups
@@ -0,0 +1,45 @@
+#!/bin/bash
+
+# Source: https://github.com/games-on-whales/gow/
+
+set -e
+
+function join_by { local IFS="$1"; shift; echo "$*"; }
+
+declare -A group_map
+
+for dev in "$@"; do
+    # Only process $dev if it's a character device
+    if [ ! -c "$dev" ]; then
+        continue
+    fi
+
+    dev_group=$(stat -c "%G" "$dev")
+    dev_gid=$(stat -c "%g" "$dev")
+
+    if [ "$dev_group" = "UNKNOWN" ]; then
+        new_name="user-gid-$dev_gid"
+        # We only have a GID for this group; create a named group for it
+        # this isn't 100% necessary but it prevents some useless noise in the console
+        groupadd -g $dev_gid "$new_name"
+        group_map[$new_name]=1
+    else
+        # the group already exists; just add it to the list
+        group_map[$dev_group]=1
+    fi
+done
+
+# uinput is usually set to be read/write only by user root, we want to allow the group too
+if [ -e /dev/uinput ]; then
+    echo "Allow /dev/uinput r/w to the group"
+    chmod 0660 /dev/uinput
+fi
+
+groups=$(join_by "," "${!group_map[@]}")
+if [ "$groups" != "" ]; then
+    echo "Adding user '${USER}' to groups: $groups"
+
+    usermod -G $groups ${USER}
+else
+    echo "Not modifying user groups ($groups)"
+fi