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NTFS-3G.SECAUDIT(8)					   NTFS-3G.SECAUDIT(8)

NAME
       ntfs-3g.secaudit - NTFS Security Data Auditing

SYNOPSIS
       ntfs-3g.secaudit [options] args

       Where options is a combination of :
	      -a full auditing of security data (Linux only)
	      -b backup ACLs
	      -e setting extra backed-up parameters (in conjunction with -s)
	      -h displaying hexadecimal security descriptors saved in a file
	      -r recursing in a directory
	      -s setting backed-up ACLs
	      -v verbose (very verbose if set twice)

       and args define the parameters and the set of files acted upon.

       Typing  secaudit	 with  no  args	 will  display	a summary of available
       options.

DESCRIPTION
       ntfs-3g.secaudit displays the ownership and permissions	of  a  set  of
       files  on  an NTFS file system, and checks their consistency. It can be
       started in terminal mode only (no graphical user	 interface  is	avail‐
       able.)

       When  a volume is required, it has to be unmounted, and the command has
       to be issued as root. The volume can be either a block device  (i.e.  a
       disk partition) or an image file.

       When  acting on a directory or volume, the command may produce a lot of
       information. It is therefore advisable to redirect the output to a file
       or pipe it to a text editor for examination.

OPTIONS
       Below  are  the	valid  combinations  of	 options  and  arguments  that
       ntfs-3g.secaudit accepts. All the indicated arguments are mandatory and
       must  be	 unique	 (if wildcards are used, they must resolve to a single
       name.)

       -h file
	      Displays in an human  readable  form  the	 hexadecimal  security
	      descriptors  saved  in  file. This can be used to turn a verbose
	      output into a very verbose output.

       -a[rv] volume
	      Audits the volume : all the global security data on  volume  are
	      scanned  and  errors are displayed. If option -r is present, all
	      files and directories are also scanned and  their	 relations  to
	      global  security	data  are  checked.  This can produce a lot of
	      data.

	      This option is not effective on volumes formatted for  old  NTFS
	      versions	(pre  NTFS  3.0). Such volumes have no global security
	      data.

	      When errors are signalled, it is advisable to repair the	volume
	      with an appropriate tool (such as chkdsk on Windows.)

       [-v] volume file
	      Displays the security parameters of file : its interpreted Linux
	      mode (rwx flags in octal) and Posix ACL[1], its security key  if
	      any, and its security descriptor if verbose output.

       -r[v] volume directory
	      displays the security parameters of all files and subdirectories
	      in directory : their interpreted Linux mode (rwx flags in octal)
	      and  Posix ACL[1], their security key if any, and their security
	      descriptor if verbose output.

       -b[v] volume [directory]
	      Recursively extracts to standard output the NTFS ACLs  of	 files
	      in volume and directory.

       -s[ev] volume [backup-file]
	      Sets  the	 NTFS  ACLS  as	 indicated  in backup-file or standard
	      input. The input data must have  been  created  on  Linux.  With
	      option   -e,  also  sets	extra  parameters  (currently  Windows
	      attrib).

       volume perms file
	      Sets the security parameters of file  to	perms.	Perms  is  the
	      Linux  requested	mode (rwx flags, expressed in octal form as in
	      chmod) or a Posix ACL[1] (expressed like in  setfacl  -m).  This
	      sets a new ACL which is effective for Linux and Windows.

       -r[v] volume perms directory
	      Sets  the security parameters of all files and subdirectories in
	      directory to perms. Perms	 is  the  Linux	 requested  mode  (rwx
	      flags,  expressed	 in octal form as in chmod), or a Posix ACL[1]
	      (expressed like in setfacl -m.) This sets	 new  ACLs  which  are
	      effective for Linux and Windows.

       [-v] mounted-file
	      Displays	the  security  parameters of mounted-file : its inter‐
	      preted Linux mode (rwx flags in octal)  and  Posix  ACL[1],  its
	      security key if any, and its security descriptor if verbose out‐
	      put. This is a special case which acts on	 a  mounted  file  (or
	      directory) and does not require being root. The Posix ACL inter‐
	      pretation can only be displayed if the full path to mounted-file
	      from the root of the global file tree is provided.

NOTE
       [1] provided the POSIX ACL option was selected at compile time. A Posix
       ACL specification looks like "[d:]{ugmo}:[id]:[perms],..." where id  is
       a  numeric user or group id, and perms an octal digit or a set from the
       letters r, w and x.
	      Example : "u::7,g::5,o:0,u:510:rwx,g:500:5,d:u:510:7"

EXAMPLES
       Audit the global security data on /dev/sda1

	      ntfs-3g.secaudit -ar /dev/sda1

       Display the ownership and permissions parameters for files in directory
       /audio/music on device /dev/sda5, excluding sub-directories :

	      ntfs-3g.secaudit /dev/sda5 /audio/music

       Set  all	 files in directory /audio/music on device /dev/sda5 as write‐
       able by owner and read-only for everybody :

	      ntfs-3g.secaudit -r /dev/sda5 644 /audio/music

EXIT CODES
       ntfs-3g.secaudit exits with a value of 0 when no	 error	was  detected,
       and with a value of 1 when an error was detected.

KNOWN ISSUES
       Please see

	      http://www.tuxera.com/community/ntfs-3g-faq/

       for  common questions and known issues.	If you would find a new one in
       the latest release of the software then please send an email describing
       it   in	 detail.   You	 can  contact  the  development	 team  on  the
       ntfs-3g-devel@lists.sf.net address.

AUTHORS
       ntfs-3g.secaudit has been developed by Jean-Pierre André.

THANKS
       Several people made heroic efforts, often over five or more years which
       resulted	 the  ntfs-3g  driver.	Most  importantly they are Anton Alta‐
       parmakov, Richard Russon, Szabolcs Szakacsits,  Yura  Pakhuchiy,	 Yuval
       Fledel,	and  the author of the groundbreaking FUSE filesystem develop‐
       ment framework, Miklos Szeredi.

SEE ALSO
       ntfsprogs(8), attr(5), getfattr(1)

ntfs-3g.secaudit 1.3.8		 February 2010		   NTFS-3G.SECAUDIT(8)
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