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Commit 9ff9a26b authored by Benjamin Herrenschmidt's avatar Benjamin Herrenschmidt
Browse files

Merge commit 'origin/master' into next 

Manual merge of:
	arch/powerpc/include/asm/elf.h
	drivers/i2c/busses/i2c-mpc.c
parents 0a3108be 0d34fb8e

Documentation/ABI/testing/ima_policy

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What:		security/ima/policy

Date:		May 2008

Contact:	Mimi Zohar <zohar@us.ibm.com>

Description:

		The Trusted Computing Group(TCG) runtime Integrity

		Measurement Architecture(IMA) maintains a list of hash

		values of executables and other sensitive system files

		loaded into the run-time of this system.  At runtime,

		the policy can be constrained based on LSM specific data.

		Policies are loaded into the securityfs file ima/policy

		by opening the file, writing the rules one at a time and

		then closing the file.  The new policy takes effect after

		the file ima/policy is closed.



		rule format: action [condition ...]



		action: measure | dont_measure

		condition:= base | lsm

			base:	[[func=] [mask=] [fsmagic=] [uid=]]

			lsm:	[[subj_user=] [subj_role=] [subj_type=]

				 [obj_user=] [obj_role=] [obj_type=]]



		base: 	func:= [BPRM_CHECK][FILE_MMAP][INODE_PERMISSION]

			mask:= [MAY_READ] [MAY_WRITE] [MAY_APPEND] [MAY_EXEC]

			fsmagic:= hex value

			uid:= decimal value

		lsm:  	are LSM specific



		default policy:

			# PROC_SUPER_MAGIC

			dont_measure fsmagic=0x9fa0

			# SYSFS_MAGIC

			dont_measure fsmagic=0x62656572

			# DEBUGFS_MAGIC

			dont_measure fsmagic=0x64626720

			# TMPFS_MAGIC

			dont_measure fsmagic=0x01021994

			# SECURITYFS_MAGIC

			dont_measure fsmagic=0x73636673



			measure func=BPRM_CHECK

			measure func=FILE_MMAP mask=MAY_EXEC

			measure func=INODE_PERM mask=MAY_READ uid=0



		The default policy measures all executables in bprm_check,

		all files mmapped executable in file_mmap, and all files

		open for read by root in inode_permission.



		Examples of LSM specific definitions:



		SELinux:

			# SELINUX_MAGIC

			dont_measure fsmagic=0xF97CFF8C



			dont_measure obj_type=var_log_t

			dont_measure obj_type=auditd_log_t

			measure subj_user=system_u func=INODE_PERM mask=MAY_READ

			measure subj_role=system_r func=INODE_PERM mask=MAY_READ



		Smack:

			measure subj_user=_ func=INODE_PERM mask=MAY_READ

Documentation/DocBook/Makefile

+2 −1
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@@ -12,7 +12,8 @@ DOCBOOKS := z8530book.xml mcabook.xml device-drivers.xml \ 
	    kernel-api.xml filesystems.xml lsm.xml usb.xml kgdb.xml \

	    gadget.xml libata.xml mtdnand.xml librs.xml rapidio.xml \

	    genericirq.xml s390-drivers.xml uio-howto.xml scsi.xml \

	    mac80211.xml debugobjects.xml sh.xml regulator.xml

	    mac80211.xml debugobjects.xml sh.xml regulator.xml \

	    alsa-driver-api.xml writing-an-alsa-driver.xml



###

# The build process is as follows (targets):

Documentation/sound/alsa/DocBook/alsa-driver-api.tmpl→Documentation/DocBook/alsa-driver-api.tmpl

+13 −4
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<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook V4.1//EN">



<book>

<?dbhtml filename="index.html">

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN"

	"http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" []>



<!-- ****************************************************** -->

<!-- Header  -->

<!-- ****************************************************** -->

<book id="ALSA-Driver-API">

  <bookinfo>

    <title>The ALSA Driver API</title>
@@ -35,6 +35,8 @@ 


  </bookinfo>



<toc></toc>



  <chapter><title>Management of Cards and Devices</title>

     <sect1><title>Card Management</title>

!Esound/core/init.c
@@ -71,6 +73,10 @@ 
!Esound/pci/ac97/ac97_codec.c

!Esound/pci/ac97/ac97_pcm.c

     </sect1>

     <sect1><title>Virtual Master Control API</title>

!Esound/core/vmaster.c

!Iinclude/sound/control.h

     </sect1>

  </chapter>

  <chapter><title>MIDI API</title>

     <sect1><title>Raw MIDI API</title>
@@ -88,6 +94,9 @@ 
  <chapter><title>Miscellaneous Functions</title>

     <sect1><title>Hardware-Dependent Devices API</title>

!Esound/core/hwdep.c

     </sect1>

     <sect1><title>Jack Abstraction Layer API</title>

!Esound/core/jack.c

     </sect1>

     <sect1><title>ISA DMA Helpers</title>

!Esound/core/isadma.c

Documentation/DocBook/genericirq.tmpl

+1 −0
Original line number Diff line number Diff line
@@ -440,6 +440,7 @@ desc->chip->end(); 
     used in the generic IRQ layer.

     </para>

!Iinclude/linux/irq.h

!Iinclude/linux/interrupt.h

  </chapter>



  <chapter id="pubfunctions">

Documentation/DocBook/mac80211.tmpl

+14 −4
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@@ -17,8 +17,7 @@ 
    </authorgroup>



    <copyright>

      <year>2007</year>

      <year>2008</year>

      <year>2007-2009</year>

      <holder>Johannes Berg</holder>

    </copyright>
@@ -165,8 +164,8 @@ usage should require reading the full document. 
!Pinclude/net/mac80211.h Frame format

      </sect1>

      <sect1>

        <title>Alignment issues</title>

        <para>TBD</para>

        <title>Packet alignment</title>

!Pnet/mac80211/rx.c Packet alignment

      </sect1>

      <sect1>

        <title>Calling into mac80211 from interrupts</title>
@@ -223,6 +222,17 @@ usage should require reading the full document. 
!Finclude/net/mac80211.h ieee80211_key_flags

    </chapter>



    <chapter id="powersave">

      <title>Powersave support</title>

!Pinclude/net/mac80211.h Powersave support

    </chapter>



    <chapter id="beacon-filter">

      <title>Beacon filter support</title>

!Pinclude/net/mac80211.h Beacon filter support

!Finclude/net/mac80211.h ieee80211_beacon_loss

    </chapter>



    <chapter id="qos">

      <title>Multiple queues and QoS support</title>

      <para>TBD</para>