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
|
#include <unistd.h>
#include <sys/types.h>
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include "selinux_internal.h"
#include "policy.h"
#include <limits.h>
#define SELINUX_INITCON_DIR "/initial_contexts/"
int security_get_initial_context_raw(const char * name, security_context_t * con)
{
char path[PATH_MAX];
char *buf;
size_t size;
int fd, ret;
if (!selinux_mnt) {
errno = ENOENT;
return -1;
}
snprintf(path, sizeof path, "%s%s%s",
selinux_mnt, SELINUX_INITCON_DIR, name);
fd = open(path, O_RDONLY);
if (fd < 0)
return -1;
size = selinux_page_size;
buf = malloc(size);
if (!buf) {
ret = -1;
goto out;
}
memset(buf, 0, size);
ret = read(fd, buf, size - 1);
if (ret < 0)
goto out2;
*con = strdup(buf);
if (!(*con)) {
ret = -1;
goto out2;
}
ret = 0;
out2:
free(buf);
out:
close(fd);
return ret;
}
hidden_def(security_get_initial_context_raw)
int security_get_initial_context(const char * name, security_context_t * con)
{
int ret;
security_context_t rcon;
ret = security_get_initial_context_raw(name, &rcon);
if (!ret) {
ret = selinux_raw_to_trans_context(rcon, con);
freecon(rcon);
}
return ret;
}
hidden_def(security_get_initial_context)
|
