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
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
#include <libgen.h>
#include <errno.h>
#include <selinux/selinux.h>
#include <syslog.h>
#include <pwd.h>
#include <string.h>
/* Attempt to rollback the transaction. No need to check error
codes since this is rolling back something that blew up. */
static __attribute__ ((__noreturn__)) void rollback(int argc, char **argv)
{
int i;
for (i = 1; i < argc; i++)
security_set_boolean(argv[i],
security_get_boolean_active(argv[i]));
exit(1);
}
int main(int argc, char **argv)
{
int rc, i, commit = 0;
if (is_selinux_enabled() <= 0) {
fprintf(stderr, "%s: SELinux is disabled\n", argv[0]);
return 1;
}
if (argc < 2) {
printf("Usage: %s boolname1 [boolname2 ...]\n",
basename(argv[0]));
return 1;
}
for (i = 1; i < argc; i++) {
printf("%s: ", argv[i]);
rc = security_get_boolean_active(argv[i]);
switch (rc) {
case 1:
if (security_set_boolean(argv[i], 0) >= 0) {
printf("inactive\n");
commit++;
} else {
printf("%s - rolling back all changes\n",
strerror(errno));
rollback(i, argv);
}
break;
case 0:
if (security_set_boolean(argv[i], 1) >= 0) {
printf("active\n");
commit++;
} else {
printf("%s - rolling back all changes\n",
strerror(errno));
rollback(i, argv);
}
break;
default:
if (errno == ENOENT)
printf
("Boolean does not exist - rolling back all changes.\n");
else
printf("%s - rolling back all changes.\n",
strerror(errno));
rollback(i, argv);
break; /* Not reached. */
}
}
if (commit > 0) {
if (security_commit_booleans() < 0) {
printf("Commit failed. (%s) No change to booleans.\n",
strerror(errno));
} else {
/* syslog all the changes */
struct passwd *pwd = getpwuid(getuid());
for (i = 1; i < argc; i++) {
if (pwd && pwd->pw_name)
syslog(LOG_NOTICE,
"The %s policy boolean was toggled by %s",
argv[i], pwd->pw_name);
else
syslog(LOG_NOTICE,
"The %s policy boolean was toggled by uid:%u",
argv[i], getuid());
}
return 0;
}
}
return 1;
}
|
