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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
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
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
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
18 ***/
19
20 #include <stdlib.h>
21 #include <unistd.h>
22
23 #include "log.h"
24 #include "namespace.h"
25
26 int main(int argc, char *argv[]) {
27 const char * const writable[] = {
28 "/home",
29 NULL
30 };
31
32 const char * const readonly[] = {
33 "/",
34 "/usr",
35 "/boot",
36 NULL
37 };
38
39 const char *inaccessible[] = {
40 "/home/lennart/projects",
41 NULL
42 };
43 char *root_directory;
44 char *projects_directory;
45
46 int r;
47 char tmp_dir[] = "/tmp/systemd-private-XXXXXX",
48 var_tmp_dir[] = "/var/tmp/systemd-private-XXXXXX";
49
50 assert_se(mkdtemp(tmp_dir));
51 assert_se(mkdtemp(var_tmp_dir));
52
53 root_directory = getenv("TEST_NS_CHROOT");
54 projects_directory = getenv("TEST_NS_PROJECTS");
55
56 if (projects_directory)
57 inaccessible[0] = projects_directory;
58
59 log_info("Inaccessible directory: '%s'", inaccessible[0]);
60 if (root_directory)
61 log_info("Chroot: '%s'", root_directory);
62 else
63 log_info("Not chrooted");
64
65 r = setup_namespace(root_directory,
66 (char **) writable,
67 (char **) readonly,
68 (char **) inaccessible,
69 tmp_dir,
70 var_tmp_dir,
71 NULL,
72 true,
73 PROTECT_HOME_NO,
74 PROTECT_SYSTEM_NO,
75 0);
76 if (r < 0) {
77 log_error_errno(r, "Failed to setup namespace: %m");
78
79 log_info("Usage:\n"
80 " sudo TEST_NS_PROJECTS=/home/lennart/projects ./test-ns\n"
81 " sudo TEST_NS_CHROOT=/home/alban/debian-tree TEST_NS_PROJECTS=/home/alban/debian-tree/home/alban/Documents ./test-ns");
82
83 return 1;
84 }
85
86 execl("/bin/sh", "/bin/sh", NULL);
87 log_error_errno(errno, "execl(): %m");
88
89 return 1;
90 }