From b050c1f53cd633d0e1414c3c0f0c247de2628b1c Mon Sep 17 00:00:00 2001
From: Simon Fels <morphis@gravedo.de>
Date: Mon, 4 Jul 2016 16:47:48 +0200
Subject: [PATCH] Add simple reset command to reset container state

---
 src/CMakeLists.txt       |  1 +
 src/anbox/cmds/reset.cpp | 40 ++++++++++++++++++++++++++++++++++++++++
 src/anbox/cmds/reset.h   | 36 ++++++++++++++++++++++++++++++++++++
 src/anbox/daemon.cpp     |  6 ++++--
 4 files changed, 81 insertions(+), 2 deletions(-)
 create mode 100644 src/anbox/cmds/reset.cpp
 create mode 100644 src/anbox/cmds/reset.h

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 289dd5d..44357bc 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -104,6 +104,7 @@ set(SOURCES
     anbox/cmds/shell.cpp
     anbox/cmds/install_app.cpp
     anbox/cmds/launch_app.cpp
+    anbox/cmds/reset.cpp
 
     anbox/do_not_copy_or_move.h
     anbox/optional.h
diff --git a/src/anbox/cmds/reset.cpp b/src/anbox/cmds/reset.cpp
new file mode 100644
index 0000000..1583f8e
--- /dev/null
+++ b/src/anbox/cmds/reset.cpp
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <boost/filesystem.hpp>
+
+#include "anbox/config.h"
+#include "anbox/cmds/reset.h"
+
+namespace fs = boost::filesystem;
+
+anbox::cmds::Reset::Reset()
+    : CommandWithFlagsAndAction{cli::Name{"reset"}, cli::Usage{"reset"}, cli::Description{"Reset the container to its default settings"}}
+{
+    action([this](const cli::Command::Context &) {
+        // FIXME(morphis): check if container is currently running and if stop here.
+
+        if (!fs::is_directory(config::data_path()))
+            return EXIT_SUCCESS;
+
+        // FIXME(morphis): This currently requires us to run as root as otherwise we can't
+        // remove some of the files stored there even if they are created from a user namespace!?
+        fs::remove_all(config::data_path());
+
+        return EXIT_SUCCESS;
+    });
+}
diff --git a/src/anbox/cmds/reset.h b/src/anbox/cmds/reset.h
new file mode 100644
index 0000000..430aa63
--- /dev/null
+++ b/src/anbox/cmds/reset.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2016 Simon Fels <morphis@gravedo.de>
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 3, as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranties of
+ * MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifndef ANBOX_CMDS_RESET_H_
+#define ANBOX_CMDS_RESET_H_
+
+#include <functional>
+#include <iostream>
+#include <memory>
+
+#include "anbox/cli.h"
+
+namespace anbox {
+namespace cmds {
+class Reset : public cli::CommandWithFlagsAndAction {
+public:
+    Reset();
+};
+} // namespace cmds
+} // namespace anbox
+
+#endif
diff --git a/src/anbox/daemon.cpp b/src/anbox/daemon.cpp
index da7735e..f43e0a2 100644
--- a/src/anbox/daemon.cpp
+++ b/src/anbox/daemon.cpp
@@ -27,6 +27,7 @@
 #include "anbox/cmds/shell.h"
 #include "anbox/cmds/install_app.h"
 #include "anbox/cmds/launch_app.h"
+#include "anbox/cmds/reset.h"
 
 #include <boost/filesystem.hpp>
 
@@ -40,7 +41,8 @@ Daemon::Daemon() :
        .command(std::make_shared<cmds::Run>())
        .command(std::make_shared<cmds::Shell>())
        .command(std::make_shared<cmds::InstallApp>())
-       .command(std::make_shared<cmds::LaunchApp>());
+       .command(std::make_shared<cmds::LaunchApp>())
+       .command(std::make_shared<cmds::Reset>());
 }
 
 int Daemon::Run(const std::vector<std::string> &arguments)
@@ -64,7 +66,7 @@ void Daemon::ensure_data_path() {
 
     for (const auto &path: paths) {
         if (!fs::is_directory(fs::path(path)))
-            fs::create_directories(fs::path(config::host_share_path()));
+            fs::create_directories(fs::path(path));
     }
 }
 } // namespace anbox