114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
/*-
|
|
* Copyright (c) 2001 Networks Associates Technologies, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This software was developed for the FreeBSD Project by NAI Labs, the
|
|
* Security Research Division of Network Associates, Inc. under
|
|
* DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
|
|
* CHATS research program.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $Id: lomac.c,v 1.3 2001/11/26 21:04:04 bfeldman Exp $
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
/*
|
|
* This file encapsulates ls's use of LOMAC's ioctl interface. ls uses
|
|
* this interface to determine the LOMAC attributes of files.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/lomacio.h>
|
|
|
|
#include <err.h>
|
|
#include <fts.h>
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "lomac.h"
|
|
|
|
#define LOMAC_DEVICE "/dev/lomac"
|
|
|
|
static int devlomac = -1; /* file descriptor for LOMAC_DEVICE */
|
|
|
|
/* lomac_start()
|
|
*
|
|
* in: nothing
|
|
* out: nothing
|
|
* return: nothing
|
|
*
|
|
* Makes `devlomac' a fd to LOMAC_DEVICE
|
|
*/
|
|
|
|
void
|
|
lomac_start(void) {
|
|
|
|
if ((devlomac = open(LOMAC_DEVICE, O_RDWR)) == -1)
|
|
err(1, "cannot open %s", LOMAC_DEVICE);
|
|
}
|
|
|
|
/* lomac_stop()
|
|
*
|
|
* in: nothing
|
|
* out: nothing
|
|
* return: nothing
|
|
*
|
|
* Closes `devlomac', the fd to LOMAC_DEVICE.
|
|
*/
|
|
|
|
void
|
|
lomac_stop(void) {
|
|
|
|
if (devlomac != -1 && close(devlomac) == -1)
|
|
err(1, "cannot close %s", LOMAC_DEVICE);
|
|
}
|
|
|
|
/* get_lattr()
|
|
*
|
|
* in: pid - pid of process whose level we want to know
|
|
* out: nothing
|
|
* return: level of proces `pid'
|
|
*
|
|
* This function uses LOMAC's ioctl interface to determine the LOMAC
|
|
* attributes of the process with pid `pid'.
|
|
*
|
|
* This function presently reports only levels. When LOMAC's ioctl
|
|
* interface is expanded to report levels and flags, this function
|
|
* will also need expansion.
|
|
*/
|
|
|
|
int
|
|
get_lattr(int pid) {
|
|
|
|
if (devlomac == -1)
|
|
lomac_start();
|
|
if (ioctl(devlomac, LIOGETPLEVEL, &pid) == -1)
|
|
err(1, NULL);
|
|
return (pid);
|
|
}
|