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15ae422b LP |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2010 Lennart Poettering | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
5430f7f2 LP |
7 | under the terms of the GNU Lesser General Public License as published by |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
15ae422b LP |
9 | (at your option) any later version. |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
5430f7f2 | 14 | Lesser General Public License for more details. |
15ae422b | 15 | |
5430f7f2 | 16 | You should have received a copy of the GNU Lesser General Public License |
15ae422b LP |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
18 | ***/ | |
19 | ||
20 | #include <stdlib.h> | |
15ae422b | 21 | #include <unistd.h> |
15ae422b | 22 | |
15ae422b | 23 | #include "log.h" |
cf0fbc49 | 24 | #include "namespace.h" |
15ae422b LP |
25 | |
26 | int main(int argc, char *argv[]) { | |
27 | const char * const writable[] = { | |
28 | "/home", | |
d944dc95 | 29 | "-/home/lennart/projects/foobar", /* this should be masked automatically */ |
15ae422b LP |
30 | NULL |
31 | }; | |
32 | ||
ac0930c8 | 33 | const char * const readonly[] = { |
d944dc95 LP |
34 | /* "/", */ |
35 | /* "/usr", */ | |
5dcfe57b | 36 | "/boot", |
d944dc95 LP |
37 | "/lib", |
38 | "/usr/lib", | |
39 | "-/lib64", | |
40 | "-/usr/lib64", | |
15ae422b LP |
41 | NULL |
42 | }; | |
43 | ||
ee818b89 | 44 | const char *inaccessible[] = { |
15ae422b LP |
45 | "/home/lennart/projects", |
46 | NULL | |
47 | }; | |
c575770b DH |
48 | |
49 | static const NameSpaceInfo ns_info = { | |
50 | .private_dev = true, | |
51 | .protect_control_groups = true, | |
52 | .protect_kernel_tunables = true, | |
53 | .protect_kernel_modules = true, | |
54 | }; | |
55 | ||
ee818b89 AC |
56 | char *root_directory; |
57 | char *projects_directory; | |
15ae422b | 58 | int r; |
c17ec25e MS |
59 | char tmp_dir[] = "/tmp/systemd-private-XXXXXX", |
60 | var_tmp_dir[] = "/var/tmp/systemd-private-XXXXXX"; | |
15ae422b | 61 | |
fe3c2583 LP |
62 | log_set_max_level(LOG_DEBUG); |
63 | ||
c17ec25e MS |
64 | assert_se(mkdtemp(tmp_dir)); |
65 | assert_se(mkdtemp(var_tmp_dir)); | |
66 | ||
ee818b89 AC |
67 | root_directory = getenv("TEST_NS_CHROOT"); |
68 | projects_directory = getenv("TEST_NS_PROJECTS"); | |
69 | ||
70 | if (projects_directory) | |
71 | inaccessible[0] = projects_directory; | |
72 | ||
73 | log_info("Inaccessible directory: '%s'", inaccessible[0]); | |
74 | if (root_directory) | |
75 | log_info("Chroot: '%s'", root_directory); | |
76 | else | |
77 | log_info("Not chrooted"); | |
78 | ||
79 | r = setup_namespace(root_directory, | |
915e6d16 | 80 | NULL, |
c575770b | 81 | &ns_info, |
ee818b89 | 82 | (char **) writable, |
c17ec25e MS |
83 | (char **) readonly, |
84 | (char **) inaccessible, | |
6c47cd7d | 85 | NULL, |
d2d6c096 | 86 | &(BindMount) { .source = (char*) "/usr/bin", .destination = (char*) "/etc/systemd", .read_only = true }, 1, |
c17ec25e MS |
87 | tmp_dir, |
88 | var_tmp_dir, | |
1b8689f9 LP |
89 | PROTECT_HOME_NO, |
90 | PROTECT_SYSTEM_NO, | |
915e6d16 | 91 | 0, |
c17ec25e | 92 | 0); |
ac0930c8 | 93 | if (r < 0) { |
da927ba9 | 94 | log_error_errno(r, "Failed to setup namespace: %m"); |
ee818b89 AC |
95 | |
96 | log_info("Usage:\n" | |
97 | " sudo TEST_NS_PROJECTS=/home/lennart/projects ./test-ns\n" | |
98 | " sudo TEST_NS_CHROOT=/home/alban/debian-tree TEST_NS_PROJECTS=/home/alban/debian-tree/home/alban/Documents ./test-ns"); | |
99 | ||
15ae422b LP |
100 | return 1; |
101 | } | |
102 | ||
103 | execl("/bin/sh", "/bin/sh", NULL); | |
56f64d95 | 104 | log_error_errno(errno, "execl(): %m"); |
15ae422b LP |
105 | |
106 | return 1; | |
107 | } |