blob: e709d0030214873bceb99548e8355fe2cbc62a87 (
plain)
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
|
#include <selinux/av_permissions.h>
#include <selinux/context.h>
#include <selinux/flask.h>
#include <selinux/selinux.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include "selinux_utils.h"
int checkAccess(char *chuser, int access)
{
int status = -1;
security_context_t user_context;
const char *user = NULL;
if (getprevcon(&user_context) == 0) {
context_t c = context_new(user_context);
user = context_user_get(c);
if (strcmp(chuser, user) == 0) {
status = 0;
} else {
struct av_decision avd;
int retval = security_compute_av(user_context,
user_context,
SECCLASS_PASSWD,
access,
&avd);
if ((retval == 0) &&
((access & avd.allowed) == (unsigned)access))
status = 0;
}
context_free(c);
freecon(user_context);
}
return status;
}
int setupDefaultContext(char *orig_file)
{
if (is_selinux_enabled() > 0) {
security_context_t scontext;
if (getfilecon(orig_file, &scontext) < 0)
return 1;
if (setfscreatecon(scontext) < 0) {
freecon(scontext);
return 1;
}
freecon(scontext);
}
return 0;
}
|
