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