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1 | #pragma once | |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2010 Lennart Poettering | |
7 | Copyright 2016 Djalal Harouni | |
8 | ||
9 | systemd is free software; you can redistribute it and/or modify it | |
10 | under the terms of the GNU Lesser General Public License as published by | |
11 | the Free Software Foundation; either version 2.1 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | systemd is distributed in the hope that it will be useful, but | |
15 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | Lesser General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU Lesser General Public License | |
20 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
21 | ***/ | |
22 | ||
23 | typedef struct NameSpaceInfo NameSpaceInfo; | |
24 | typedef struct BindMount BindMount; | |
25 | ||
26 | #include <stdbool.h> | |
27 | ||
28 | #include "dissect-image.h" | |
29 | #include "macro.h" | |
30 | ||
31 | typedef enum ProtectHome { | |
32 | PROTECT_HOME_NO, | |
33 | PROTECT_HOME_YES, | |
34 | PROTECT_HOME_READ_ONLY, | |
35 | _PROTECT_HOME_MAX, | |
36 | _PROTECT_HOME_INVALID = -1 | |
37 | } ProtectHome; | |
38 | ||
39 | typedef enum ProtectSystem { | |
40 | PROTECT_SYSTEM_NO, | |
41 | PROTECT_SYSTEM_YES, | |
42 | PROTECT_SYSTEM_FULL, | |
43 | PROTECT_SYSTEM_STRICT, | |
44 | _PROTECT_SYSTEM_MAX, | |
45 | _PROTECT_SYSTEM_INVALID = -1 | |
46 | } ProtectSystem; | |
47 | ||
48 | struct NameSpaceInfo { | |
49 | bool ignore_protect_paths:1; | |
50 | bool private_dev:1; | |
51 | bool protect_control_groups:1; | |
52 | bool protect_kernel_tunables:1; | |
53 | bool protect_kernel_modules:1; | |
54 | bool mount_apivfs:1; | |
55 | }; | |
56 | ||
57 | struct BindMount { | |
58 | char *source; | |
59 | char *destination; | |
60 | bool read_only:1; | |
61 | bool recursive:1; | |
62 | bool ignore_enoent:1; | |
63 | }; | |
64 | ||
65 | int setup_namespace( | |
66 | const char *root_directory, | |
67 | const char *root_image, | |
68 | const NameSpaceInfo *ns_info, | |
69 | char **read_write_paths, | |
70 | char **read_only_paths, | |
71 | char **inaccessible_paths, | |
72 | const BindMount *bind_mounts, | |
73 | unsigned n_bind_mounts, | |
74 | const char *tmp_dir, | |
75 | const char *var_tmp_dir, | |
76 | ProtectHome protect_home, | |
77 | ProtectSystem protect_system, | |
78 | unsigned long mount_flags, | |
79 | DissectImageFlags dissected_image_flags); | |
80 | ||
81 | int setup_tmp_dirs( | |
82 | const char *id, | |
83 | char **tmp_dir, | |
84 | char **var_tmp_dir); | |
85 | ||
86 | int setup_netns(int netns_storage_socket[2]); | |
87 | ||
88 | const char* protect_home_to_string(ProtectHome p) _const_; | |
89 | ProtectHome protect_home_from_string(const char *s) _pure_; | |
90 | ||
91 | const char* protect_system_to_string(ProtectSystem p) _const_; | |
92 | ProtectSystem protect_system_from_string(const char *s) _pure_; | |
93 | ||
94 | void bind_mount_free_many(BindMount *b, unsigned n); | |
95 | int bind_mount_add(BindMount **b, unsigned *n, const BindMount *item); |