blob: 097bea39b3eb85fede6ff2a52c5cc4dc0f7825da (
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
52
53
54
55
56
57
58
59
60
61
62
63
|
/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <errno.h>
#include "audit-fd.h"
#if HAVE_AUDIT
#include <libaudit.h>
#include <stdbool.h>
#include "capability-util.h"
#include "fd-util.h"
#include "log.h"
#include "util.h"
static bool initialized = false;
static int audit_fd;
int get_audit_fd(void) {
if (!initialized) {
if (have_effective_cap(CAP_AUDIT_WRITE) == 0) {
audit_fd = -EPERM;
initialized = true;
return audit_fd;
}
audit_fd = audit_open();
if (audit_fd < 0) {
if (!IN_SET(errno, EAFNOSUPPORT, EPROTONOSUPPORT))
log_error_errno(errno, "Failed to connect to audit log: %m");
audit_fd = errno ? -errno : -EINVAL;
}
initialized = true;
}
return audit_fd;
}
void close_audit_fd(void) {
if (initialized && audit_fd >= 0)
safe_close(audit_fd);
initialized = true;
audit_fd = -ECONNRESET;
}
#else
int get_audit_fd(void) {
return -EAFNOSUPPORT;
}
void close_audit_fd(void) {
}
#endif
|
