94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2010 Lennart Poettering
|
|
|
|
systemd is free software; you can redistribute it and/or modify it
|
|
under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 of the License, or
|
|
(at your option) any later version.
|
|
|
|
systemd is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <assert.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <ctype.h>
|
|
|
|
#include "macro.h"
|
|
#include "audit.h"
|
|
#include "util.h"
|
|
#include "log.h"
|
|
#include "fileio.h"
|
|
#include "virt.h"
|
|
|
|
int audit_session_from_pid(pid_t pid, uint32_t *id) {
|
|
_cleanup_free_ char *s = NULL;
|
|
const char *p;
|
|
uint32_t u;
|
|
int r;
|
|
|
|
assert(id);
|
|
|
|
/* Audit doesn't support containers right now */
|
|
if (detect_container(NULL) > 0)
|
|
return -ENOTSUP;
|
|
|
|
p = procfs_file_alloca(pid, "sessionid");
|
|
|
|
r = read_one_line_file(p, &s);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = safe_atou32(s, &u);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (u == (uint32_t) -1 || u <= 0)
|
|
return -ENXIO;
|
|
|
|
*id = u;
|
|
return 0;
|
|
}
|
|
|
|
int audit_loginuid_from_pid(pid_t pid, uid_t *uid) {
|
|
_cleanup_free_ char *s = NULL;
|
|
const char *p;
|
|
uid_t u;
|
|
int r;
|
|
|
|
assert(uid);
|
|
|
|
/* Audit doesn't support containers right now */
|
|
if (detect_container(NULL) > 0)
|
|
return -ENOTSUP;
|
|
|
|
p = procfs_file_alloca(pid, "loginuid");
|
|
|
|
r = read_one_line_file(p, &s);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
r = parse_uid(s, &u);
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (u == (uid_t) -1)
|
|
return -ENXIO;
|
|
|
|
*uid = (uid_t) u;
|
|
return 0;
|
|
}
|