120 lines
4.8 KiB
C
120 lines
4.8 KiB
C
/*-
|
|
* Copyright (c) 2001 Networks Associates Technology, 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.
|
|
*
|
|
* $Id$
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef LOMAC_PLM_H
|
|
#define LOMAC_PLM_H
|
|
|
|
enum plm_level {
|
|
LOW,
|
|
SUBJ,
|
|
HIGH
|
|
};
|
|
enum plm_flags {
|
|
PLM_NOFLAGS, /* rule applies to this node and its children */
|
|
PLM_CHILDOF /* rule applies to node's children, not the node */
|
|
};
|
|
#define LOWWRITE LN_ATTR_LOWWRITE
|
|
#define LOWNOOPEN LN_ATTR_LOWNOOPEN
|
|
#define NONETDEMOTE LN_ATTR_NONETDEMOTE
|
|
#define NODEMOTE LN_ATTR_NODEMOTE
|
|
|
|
static u_int plm_levelflags_to_node_flags[3][2] = {
|
|
{ LN_LOWEST_LEVEL, LN_INHERIT_LOW },
|
|
{ LN_SUBJ_LEVEL, LN_INHERIT_SUBJ },
|
|
{ LN_HIGHEST_LEVEL, LN_INHERIT_HIGH }
|
|
};
|
|
|
|
typedef struct plm_rule {
|
|
enum plm_level level; /* LOMAC level */
|
|
enum plm_flags flags; /* flags for PLM evaluation */
|
|
unsigned int attr; /* LN_ATTR_MASK of flags */
|
|
const char *path; /* absolute path for this PLM rule */
|
|
} plm_rule_t;
|
|
|
|
/* The `plm' array maps levels onto all of the files in the filesystem */
|
|
static plm_rule_t plm[] = {
|
|
{ HIGH, PLM_NOFLAGS, 0, "/" }, /* everything initially inherits high level */
|
|
{ HIGH, PLM_CHILDOF, 0, "/" },
|
|
{ HIGH, PLM_NOFLAGS, NONETDEMOTE, "/sbin/dhclient" },
|
|
{ HIGH, PLM_CHILDOF, 0, "/var" },
|
|
{ HIGH, PLM_CHILDOF, LOWWRITE, "/dev" },
|
|
{ HIGH, PLM_NOFLAGS, LOWNOOPEN, "/dev/mdctl" },
|
|
{ HIGH, PLM_NOFLAGS, LOWNOOPEN, "/dev/pci" },
|
|
{ HIGH, PLM_NOFLAGS, LOWNOOPEN, "/dev/kmem" },
|
|
{ HIGH, PLM_NOFLAGS, LOWNOOPEN, "/dev/mem" },
|
|
{ HIGH, PLM_NOFLAGS, LOWNOOPEN, "/dev/io" },
|
|
{ HIGH, PLM_CHILDOF, 0, "/etc" },
|
|
{ HIGH, PLM_NOFLAGS, LOWWRITE, "/tmp" },
|
|
{ SUBJ, PLM_CHILDOF, 0, "/tmp" },
|
|
{ HIGH, PLM_NOFLAGS, 0, "/tmp/.X11-unix" },
|
|
{ HIGH, PLM_CHILDOF, LOWWRITE, "/tmp/.X11-unix" },
|
|
{ SUBJ, PLM_CHILDOF, 0, "/proc" },
|
|
{ LOW, PLM_CHILDOF, 0, "/mnt" }, /* all nfs mounts are low */
|
|
{ LOW, PLM_CHILDOF, 0, "/home" },
|
|
{ HIGH, PLM_NOFLAGS, NONETDEMOTE, "/usr/bin/env-nonetdemote" },
|
|
{ HIGH, PLM_NOFLAGS, NODEMOTE, "/usr/bin/env-nodemote" },
|
|
{ LOW, PLM_CHILDOF, 0, "/usr/home" },
|
|
{ LOW, PLM_CHILDOF, 0, "/var/lib" },
|
|
{ HIGH, PLM_NOFLAGS, LOWWRITE, "/var/tmp" },
|
|
{ SUBJ, PLM_CHILDOF, 0, "/var/tmp" },
|
|
{ LOW, PLM_NOFLAGS, 0, "/var/tmp/vi.recover" },
|
|
{ SUBJ, PLM_CHILDOF, 0, "/var/tmp/vi.recover" },
|
|
{ HIGH, PLM_NOFLAGS, LOWWRITE, "/usr/tmp" },
|
|
{ SUBJ, PLM_CHILDOF, 0, "/usr/tmp" },
|
|
{ HIGH, PLM_NOFLAGS, 0, "/usr/tmp/.X11-unix" },
|
|
{ HIGH, PLM_CHILDOF, LOWWRITE, "/usr/tmp/.X11-unix" },
|
|
{ LOW, PLM_NOFLAGS, 0, "/var/mail" },
|
|
{ LOW, PLM_CHILDOF, 0, "/var/mail" },
|
|
{ LOW, PLM_NOFLAGS, 0, "/var/spool/mqueue" },
|
|
{ LOW, PLM_CHILDOF, 0, "/var/spool/mqueue" },
|
|
{ LOW, PLM_NOFLAGS, 0, "/dev/log" },
|
|
{ HIGH, PLM_NOFLAGS, 0, "/home/ftp" },
|
|
{ HIGH, PLM_NOFLAGS, 0, "/usr/home/ftp" },
|
|
{ HIGH, PLM_NOFLAGS, 0, "/mnt/cdrom" }, /* cdrom is high */
|
|
{ HIGH, PLM_NOFLAGS, 0, "/home/samba" },
|
|
{ HIGH, PLM_NOFLAGS, 0, "/usr/home/samba" },
|
|
{ LOW, PLM_NOFLAGS, 0, "/dev/printer" },
|
|
{ HIGH, PLM_CHILDOF, 0, "/var/log" },
|
|
{ LOW, PLM_NOFLAGS, 0, "/var/log/sendmail.st" },
|
|
{ HIGH, PLM_NOFLAGS, LOWWRITE, "/var/run/utmp" },
|
|
{ HIGH, PLM_NOFLAGS, LOWWRITE, "/var/log/lastlog" },
|
|
{ HIGH, PLM_NOFLAGS, LOWWRITE, "/var/log/wtmp" },
|
|
{ 0, 0, 0 }
|
|
};
|
|
|
|
#endif /* LOMAC_PLM_H */
|