-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
+/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
+ Copyright 2016 Djalal Harouni
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+typedef struct NamespaceInfo NamespaceInfo;
+typedef struct BindMount BindMount;
+
#include <stdbool.h>
-typedef struct ExecContext ExecContext;
+#include "dissect-image.h"
+#include "macro.h"
+
+typedef enum ProtectHome {
+ PROTECT_HOME_NO,
+ PROTECT_HOME_YES,
+ PROTECT_HOME_READ_ONLY,
+ _PROTECT_HOME_MAX,
+ _PROTECT_HOME_INVALID = -1
+} ProtectHome;
+
+typedef enum NamespaceType {
+ NAMESPACE_MOUNT,
+ NAMESPACE_CGROUP,
+ NAMESPACE_UTS,
+ NAMESPACE_IPC,
+ NAMESPACE_USER,
+ NAMESPACE_PID,
+ NAMESPACE_NET,
+ _NAMESPACE_TYPE_MAX,
+ _NAMESPACE_TYPE_INVALID = -1,
+} NamespaceType;
+
+typedef enum ProtectSystem {
+ PROTECT_SYSTEM_NO,
+ PROTECT_SYSTEM_YES,
+ PROTECT_SYSTEM_FULL,
+ PROTECT_SYSTEM_STRICT,
+ _PROTECT_SYSTEM_MAX,
+ _PROTECT_SYSTEM_INVALID = -1
+} ProtectSystem;
+
+struct NamespaceInfo {
+ bool ignore_protect_paths:1;
+ bool private_dev:1;
+ bool protect_control_groups:1;
+ bool protect_kernel_tunables:1;
+ bool protect_kernel_modules:1;
+ bool mount_apivfs:1;
+};
+
+struct BindMount {
+ char *source;
+ char *destination;
+ bool read_only:1;
+ bool recursive:1;
+ bool ignore_enoent:1;
+};
+
+int setup_namespace(
+ const char *root_directory,
+ const char *root_image,
+ const NamespaceInfo *ns_info,
+ char **read_write_paths,
+ char **read_only_paths,
+ char **inaccessible_paths,
+ char **empty_directories,
+ const BindMount *bind_mounts,
+ unsigned n_bind_mounts,
+ const char *tmp_dir,
+ const char *var_tmp_dir,
+ ProtectHome protect_home,
+ ProtectSystem protect_system,
+ unsigned long mount_flags,
+ DissectImageFlags dissected_image_flags);
+
+int setup_tmp_dirs(
+ const char *id,
+ char **tmp_dir,
+ char **var_tmp_dir);
+
+int setup_netns(int netns_storage_socket[2]);
+
+const char* protect_home_to_string(ProtectHome p) _const_;
+ProtectHome protect_home_from_string(const char *s) _pure_;
+
+const char* protect_system_to_string(ProtectSystem p) _const_;
+ProtectSystem protect_system_from_string(const char *s) _pure_;
+
+void bind_mount_free_many(BindMount *b, unsigned n);
+int bind_mount_add(BindMount **b, unsigned *n, const BindMount *item);
+
+const char* namespace_type_to_string(NamespaceType t) _const_;
+NamespaceType namespace_type_from_string(const char *s) _pure_;
-int setup_tmpdirs(char **tmp_dir, char **var_tmp_dir);
-int setup_namespace(char **read_write_dirs,
- char **read_only_dirs,
- char **inaccessible_dirs,
- char *tmp_dir,
- char *var_tmp_dir,
- bool private_tmp,
- unsigned mount_flags);
+bool ns_type_supported(NamespaceType type);