19c70b89f4
This guarantees that the jail directory is always created, especially in case mounting fails and we cleanup and fallback. Also, move the directory creation and setting the perms into a helper, and reuse. Change-Id: If6e9ef86afa5107638aa27050554e94c0af22b6e Signed-off-by: Ashod Nakashian <ashod.nakashian@collabora.co.uk>
82 lines
2.6 KiB
C++
82 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*- */
|
|
/*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <string>
|
|
|
|
#include <Poco/File.h>
|
|
#include <Poco/Path.h>
|
|
|
|
namespace JailUtil
|
|
{
|
|
|
|
/// General temporary directory owned by us.
|
|
constexpr const char CHILDROOT_TMP_PATH[] = "/tmp";
|
|
|
|
/// Files uploaded by users are stored in this sub-directory of child-root.
|
|
constexpr const char CHILDROOT_TMP_INCOMING_PATH[] = "/tmp/incoming";
|
|
|
|
/// The LO installation directory with jail.
|
|
constexpr const char LO_JAIL_SUBPATH[] = "lo";
|
|
|
|
/// Bind mount a jail directory.
|
|
bool bind(const std::string& source, const std::string& target);
|
|
|
|
/// Remount a bound mount point as readonly.
|
|
bool remountReadonly(const std::string& source, const std::string& target);
|
|
|
|
/// Marks a jail as having been copied instead of mounted.
|
|
void markJailCopied(const std::string& root);
|
|
|
|
/// Returns true iff the jail in question was copied and not mounted.
|
|
bool isJailCopied(const std::string& root);
|
|
|
|
/// Remove the jail directory and all its contents.
|
|
void removeJail(const std::string& root);
|
|
|
|
/// Remove all jails.
|
|
void cleanupJails(const std::string& jailRoot);
|
|
|
|
/// Creates the jail directory path recursively.
|
|
void createJailPath(const std::string& path);
|
|
|
|
/// Setup the Child-Root directory.
|
|
void setupChildRoot(bool bindMount, const std::string& jailRoot, const std::string& sysTemplate);
|
|
|
|
/// Setup /dev/random and /dev/urandom in the given jail path.
|
|
void setupJailDevNodes(const std::string& root);
|
|
|
|
/// Enable bind-mounting in this process.
|
|
void enableBindMounting();
|
|
|
|
/// Disable bind-mounting in this process.
|
|
void disableBindMounting();
|
|
|
|
/// Returns true iff bind-mounting is enabled in this process.
|
|
bool isBindMountingEnabled();
|
|
|
|
namespace SysTemplate
|
|
{
|
|
/// Setup links for /dev/random and /dev/urandom in systemplate.
|
|
void setupRandomDeviceLinks(const std::string& root);
|
|
|
|
/// Setup the dynamic files within the sysTemplate by either
|
|
/// copying or linking. See updateJail_DynamicFilesInSysTemplate.
|
|
/// If the dynamic files need updating and systemplate is read-only,
|
|
/// this will fail and mark files for copying.
|
|
void setupDynamicFiles(const std::string& sysTemplate);
|
|
|
|
/// Update the dynamic files within the sysTemplate before each child fork.
|
|
/// Returns false on failure.
|
|
bool updateDynamicFiles(const std::string& sysTemplate);
|
|
|
|
} // namespace SysTemplate
|
|
|
|
} // end namespace JailUtil
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|