d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Document the following MAC policies:

Browse Source 
o None: Stub policy
o Seeotheruids: The "see processes and sockets owned by other users" policy
o Test: Debugging policy

Standardize the SYNOPSIS and HISTORY sections.

Update SEE ALSO sections.
This commit is contained in:
Chris Costello 2002-12-10 00:39:17 +00:00
parent 894dbc508a
commit 17c5113a22
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=107717
8 changed files with 446 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
share/man/man4/Makefile
View File

@ -98,6 +98,9 @@ MAN= aac.4 \
mac_biba.4 \
mac_bsdextended.4 \
mac_mls.4 \
mac_none.4 \
mac_seeotheruids.4 \
mac_test.4 \
mouse.4 \
mtio.4 \
natm.4 \

16
share/man/man4/mac_biba.4
View File

@ -36,8 +36,18 @@
.Nm mac_biba
.Nd Biba data integrity policy
.Sh SYNOPSIS
To compile Biba into your kernel, place the following lines in your kernel
configuration file:
.Cd "options MAC"
.Li "kldload mac_biba"
.Cd "options MAC_BIBA"
.Pp
Alternately, to load the Biba module at boot time, place the following line
in your kernel configuration file:
.Cd "options MAC"
.Pp
and in
.Xr loader.conf 5 :
.Cd mac_biba_load= Ns \&"YES"
.Sh DESCRIPTION
The
.Nm
@ -165,7 +175,11 @@ Multi-Level Security (MLS) protects the confentiality, rather than the
integrity, of subjects and objects.
.Sh SEE ALSO
.Xr LOMAC 4 ,
.Xr mac_bsdextended 4 ,
.Xr mac_mls 4 ,
.Xr mac_none 4 ,
.Xr mac_seeotheruids 4 ,
.Xr mac_test 4 ,
.Xr mac 9
.Sh HISTORY
The

29
share/man/man4/mac_bsdextended.4
View File

@ -37,10 +37,21 @@
.Dt MAC_BSDEXTENDED 4
.Sh NAME
.Nm mac_bsdextended
.Nd subject-object interaction rules policy
.Nd file system firewall policy
.Sh SYNOPSIS
.\" .Cd options MAC_BSDEXTENDED
.Li kldload mac_bsdextended
.\" To compile the file system firewall policy into your kernel,
.\" place the following lines in your kernel configuration file:
.\" .Cd "options MAC"
.\" .Cd "options MAC_BSDEXTENDED"
.\" .Pp
.\" Alternately, to load the MLS module at boot time, place the following line
To load the file system firewall policy module at boot time,
place the following line in your kernel configuration file:
.Cd "options MAC"
.Pp
and in
.Xr loader.conf 5 :
.Cd mac_bsdextended_load= Ns \&"YES"
.Sh DESCRIPTION
The
.Nm
@ -48,6 +59,8 @@ interface provides an interface for the system administrator
to impose mandatory rules regarding users and some system objects.
Rules are uploaded to the module
(typically using
.Xr ugidfw 8 ,
or some other tool utilizing
.Xr libugidfw 3 )
where they are stored internally
and used to determine whether to allow or deny specific accesses
@ -65,13 +78,19 @@ is found,
or the end of the list is reached.
.Sh SEE ALSO
.Xr libugidfw 3 ,
.Xr mac_biba 4 ,
.Xr mac_mls 4 ,
.Xr mac_none 4 ,
.Xr mac_seeotheruids 4 ,
.Xr mac_test 4 ,
.Xr ugidfw 8 ,
.Xr mac 9
.Sh HISTORY
The
.Nm
interface was first introduced in
.Fx 5.0 .
policy module first appeared in
.Fx 5.0
and was developed by the TrustedBSD Project.
.Sh AUTHORS
This software was contributed to the
.Fx

7
share/man/man4/mac_mls.4
View File

@ -172,8 +172,13 @@ in order to change network interface MLS labels.
This will eventually go away, but it is currently a liability and may
allow the superuser to bypass MLS protections.
.Sh SEE ALSO
.Xr maclabel 7 ,
.Xr mac_biba 4 ,
.Xr mac_bsdextended 4 ,
.Xr mac_mls 4 ,
.Xr mac_none 4 ,
.Xr mac_seeotheruids 4 ,
.Xr mac_test 4
.Xr maclabel 7 ,
.Xr mac 9
.Sh HISTORY
The

93
share/man/man4/mac_none.4 Normal file
View File

@ -0,0 +1,93 @@
.\" Copyright (c) 2002 Networks Associates Technology, Inc.
.\" All rights reserved.
.\"
.\" This software was developed for the FreeBSD Project by Chris
.\" Costello at Safeport Network Services and Network Associates 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
.\"
.\" $FreeBSD$
.Dd DECEMBER 1, 2002
.Os
.Dt MAC_NONE 4
.Sh NAME
.Nm mac_none
.Nd sample MAC policy module
.Sh SYNOPSIS
To compile the sample policy
into your kernel, place the following lines in your kernel
configuration file:
.Cd "options MAC"
.Cd "options MAC_NONE"
.Pp
Alternately, to load the sample module at boot time, place the following line
in your kernel configuration file:
.Cd "options MAC"
.Pp
and in
.Xr loader.conf 5 :
.Cd mac_none_load= Ns \&"YES"
.Sh DESCRIPTION
The
.Nm
policy module implements a sample MAC policy that has no effect on
access control in the system.
Each MAC entry point is a
.Dq no-op .
.Ss Label Format
No labels are defined for
.Nm .
.Sh SEE ALSO
.Xr mac_biba 4 ,
.Xr mac_bsdextended 4 ,
.Xr mac_mls 4 ,
.Xr mac_seeotheruids 4 ,
.Xr mac_test 4 ,
.Xr mac 9
.Sh HISTORY
The
.Nm
policy module first appeared in
.Fx 5.0
and was developed by the TrustedBSD Project.
.Sh AUTHORS
This software was contributed to the
.Fx
Project by Network Associates 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.
.Sh BUGS
See
.Xr mac 9
concerning appropriateness for production use.
The TrustedBSD MAC Framework is considered experimental in
.Fx .
.Pp
While the MAC Framework design is intended to support the containment of
the root user, not all attack channels are currently protected by entry
point checks.
As such, MAC Framework policies should not be relied on, in isolation,
to protect against a malicious privileged user.

113
share/man/man4/mac_seeotheruids.4 Normal file
View File

@ -0,0 +1,113 @@
.\" Copyright (c) 2002 Networks Associates Technology, Inc.
.\" All rights reserved.
.\"
.\" This software was developed for the FreeBSD Project by Chris
.\" Costello at Safeport Network Services and Network Associates 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
.\"
.\" $FreeBSD$
.Dd DECEMBER 8, 2002
.Os
.Dt MAC_SEEOTHERUIDS 4
.Sh NAME
.Nm mac_seeotheruids
.Nd simple policy controlling whether users see other users
.Sh SYNOPSIS
To compile the mac_seeotheruids
policy into your kernel, place the following lines in your kernel
configuration file:
.Cd "options MAC"
.Cd "options MAC_SEEOTHERUIDS"
.Pp
Alternately, to load the module at boot time, place the following line
in your kernel configuration file:
.Cd "options MAC"
.Pp
and in
.Xr loader.conf.5 :
.Cd mac_seeotheruids_load= Ns \&"YES"
.Sh DESCRIPTION
The
.Nm
policy module, when enabled, denies users to see processes or sockets owned
by other users.
.Pp
To enable
.Nm ,
set the sysctl OID
.Va security.mac.seeotheruids.enabled
to
.Li 1 .
.Pp
To allow users to see processes and sockets owned by the same primary group,
set the sysctl OID
.Va security.mac.seeotheruids.primarygroup_enabled
to
.Li 1 .
.Pp
To allow processes with a specific group ID to be exempt from the policy,
set the sysctl OID
.Va security.mac.seeotheruids.specificgid_enabled
to
.Li 1 ,
and
.Va security.mac.seeotheruids.specificgid
to the gid to be exempted.
.Ss Label Format
No labels are defined for
.Nm .
.Sh SEE ALSO
.Xr mac_biba 4 ,
.Xr mac_bsdextended 4 ,
.Xr mac_mls 4 ,
.Xr mac_none 4 ,
.Xr mac_test 4 ,
.Xr mac 9
.Sh HISTORY
The
.Nm
policy module first appeared in
.Fx 5.0
and was developed by the TrustedBSD Project.
.Sh AUTHORS
This software was contributed to the
.Fx
Project by Network Associates 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.
.Sh BUGS
See
.Xr mac 9
concerning appropriateness for production use.
The TrustedBSD MAC Framework is considered experimental in
.Fx .
.Pp
While the MAC Framework design is intended to support the containment of
the root user, not all attack channels are currently protected by entry
point checks.
As such, MAC Framework policies should not be relied on, in isolation,
to protect against a malicious privileged user.

93
share/man/man4/mac_stub.4 Normal file
View File

@ -0,0 +1,93 @@
.\" Copyright (c) 2002 Networks Associates Technology, Inc.
.\" All rights reserved.
.\"
.\" This software was developed for the FreeBSD Project by Chris
.\" Costello at Safeport Network Services and Network Associates 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
.\"
.\" $FreeBSD$
.Dd DECEMBER 1, 2002
.Os
.Dt MAC_NONE 4
.Sh NAME
.Nm mac_none
.Nd sample MAC policy module
.Sh SYNOPSIS
To compile the sample policy
into your kernel, place the following lines in your kernel
configuration file:
.Cd "options MAC"
.Cd "options MAC_NONE"
.Pp
Alternately, to load the sample module at boot time, place the following line
in your kernel configuration file:
.Cd "options MAC"
.Pp
and in
.Xr loader.conf 5 :
.Cd mac_none_load= Ns \&"YES"
.Sh DESCRIPTION
The
.Nm
policy module implements a sample MAC policy that has no effect on
access control in the system.
Each MAC entry point is a
.Dq no-op .
.Ss Label Format
No labels are defined for
.Nm .
.Sh SEE ALSO
.Xr mac_biba 4 ,
.Xr mac_bsdextended 4 ,
.Xr mac_mls 4 ,
.Xr mac_seeotheruids 4 ,
.Xr mac_test 4 ,
.Xr mac 9
.Sh HISTORY
The
.Nm
policy module first appeared in
.Fx 5.0
and was developed by the TrustedBSD Project.
.Sh AUTHORS
This software was contributed to the
.Fx
Project by Network Associates 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.
.Sh BUGS
See
.Xr mac 9
concerning appropriateness for production use.
The TrustedBSD MAC Framework is considered experimental in
.Fx .
.Pp
While the MAC Framework design is intended to support the containment of
the root user, not all attack channels are currently protected by entry
point checks.
As such, MAC Framework policies should not be relied on, in isolation,
to protect against a malicious privileged user.

99
share/man/man4/mac_test.4 Normal file
View File

@ -0,0 +1,99 @@
.\" Copyright (c) 2002 Networks Associates Technology, Inc.
.\" All rights reserved.
.\"
.\" This software was developed for the FreeBSD Project by Chris
.\" Costello at Safeport Network Services and Network Associates 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.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS 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.
.\"
.\" $FreeBSD$
.Dd DECEMBER 1, 2002
.Os
.Dt MAC_TEST 4
.Sh NAME
.Nm mac_test
.Nd MAC framework testing policy
.Sh SYNOPSIS
To compile the testing policy
into your kernel, place the following lines in your kernel
configuration file:
.Cd "options MAC"
.Cd "options MAC_TEST"
.Pp
Alternately, to load the testing module at boot time, place the following line
in your kernel configuration file:
.Cd "options MAC"
.Pp
and in
.Xr loader.conf.5 :
.Cd mac_test_load= Ns \&"YES"
.Sh DESCRIPTION
The
.Nm
policy module implements a testing facility for the MAC framework.
Among other things,
.Nm
will try to catch corrupt labels the system is attempting to destroy and
drop to the debugger.
Additionally, a set of statistics regarding the number of times various
MAC framework entry points have been called is stored in the
.Va security.mac.test
.Xr sysctl 8
tree.
.Ss Label Format
No labels are defined for
.Nm .
.Sh SEE ALSO
.Xr mac_biba 4 ,
.Xr mac_bsdextended 4 ,
.Xr mac_mls 4 ,
.Xr mac_none 4 ,
.Xr mac_seeotheruids 4 ,
.Xr mac 9
.Sh HISTORY
The
.Nm
policy module first appeared in
.Fx 5.0
and was developed by the TrustedBSD Project.
.Sh AUTHORS
This software was contributed to the
.Fx
Project by Network Associates 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.
.Sh BUGS
See
.Xr mac 9
concerning appropriateness for production use.
The TrustedBSD MAC Framework is considered experimental in
.Fx .
.Pp
While the MAC Framework design is intended to support the containment of
the root user, not all attack channels are currently protected by entry
point checks.
As such, MAC Framework policies should not be relied on, in isolation,
to protect against a malicious privileged user.