From 19f4f86bfed21c5326ed2acebe1163f3a83e832b Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Mon, 6 May 2024 04:25:50 +0200
Subject: Adding upstream version 241.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/core/namespace.h | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 src/core/namespace.h

(limited to 'src/core/namespace.h')

diff --git a/src/core/namespace.h b/src/core/namespace.h
new file mode 100644
index 0000000..5e0ec97
--- /dev/null
+++ b/src/core/namespace.h
@@ -0,0 +1,112 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+#pragma once
+
+/***
+  Copyright © 2016 Djalal Harouni
+***/
+
+typedef struct NamespaceInfo NamespaceInfo;
+typedef struct BindMount BindMount;
+typedef struct TemporaryFileSystem TemporaryFileSystem;
+
+#include <stdbool.h>
+
+#include "dissect-image.h"
+#include "macro.h"
+
+typedef enum ProtectHome {
+        PROTECT_HOME_NO,
+        PROTECT_HOME_YES,
+        PROTECT_HOME_READ_ONLY,
+        PROTECT_HOME_TMPFS,
+        _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 private_mounts: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;
+};
+
+struct TemporaryFileSystem {
+        char *path;
+        char *options;
+};
+
+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,
+                size_t n_bind_mounts,
+                const TemporaryFileSystem *temporary_filesystems,
+                size_t n_temporary_filesystems,
+                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[static 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, size_t n);
+int bind_mount_add(BindMount **b, size_t *n, const BindMount *item);
+
+void temporary_filesystem_free_many(TemporaryFileSystem *t, size_t n);
+int temporary_filesystem_add(TemporaryFileSystem **t, size_t *n,
+                             const char *path, const char *options);
+
+const char* namespace_type_to_string(NamespaceType t) _const_;
+NamespaceType namespace_type_from_string(const char *s) _pure_;
+
+bool ns_type_supported(NamespaceType type);
-- 
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