1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <unistd.h>
#include "alloc-util.h"
#include "process-util.h"
#include "rm-rf.h"
#include "string-util.h"
#include "tests.h"
#include "tmpfile-util.h"
static void test_rm_rf_chmod_inner(void) {
_cleanup_free_ char *d = NULL;
const char *x, *y;
assert_se(getuid() != 0);
assert_se(mkdtemp_malloc(NULL, &d) >= 0);
x = strjoina(d, "/d");
assert_se(mkdir(x, 0700) >= 0);
y = strjoina(x, "/f");
assert_se(mknod(y, S_IFREG | 0600, 0) >= 0);
assert_se(chmod(y, 0400) >= 0);
assert_se(chmod(x, 0500) >= 0);
assert_se(chmod(d, 0500) >= 0);
assert_se(rm_rf(d, REMOVE_PHYSICAL|REMOVE_ROOT) == -EACCES);
assert_se(access(d, F_OK) >= 0);
assert_se(access(x, F_OK) >= 0);
assert_se(access(y, F_OK) >= 0);
assert_se(rm_rf(d, REMOVE_PHYSICAL|REMOVE_ROOT|REMOVE_CHMOD) >= 0);
errno = 0;
assert_se(access(d, F_OK) < 0 && errno == ENOENT);
}
static void test_rm_rf_chmod(void) {
int r;
log_info("/* %s */", __func__);
if (getuid() == 0) {
/* This test only works unpriv (as only then the access mask for the owning user matters),
* hence drop privs here */
r = safe_fork("(setresuid)", FORK_DEATHSIG|FORK_WAIT, NULL);
assert_se(r >= 0);
if (r == 0) {
/* child */
assert_se(setresuid(1, 1, 1) >= 0);
test_rm_rf_chmod_inner();
_exit(EXIT_SUCCESS);
}
return;
}
test_rm_rf_chmod_inner();
}
int main(int argc, char **argv) {
test_setup_logging(LOG_DEBUG);
test_rm_rf_chmod();
return 0;
}
|
