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RUSH(8)			      Rush User	Reference		       RUSH(8)

NAME
       rush - restricted user shell

SYNOPSIS
       rush  [-htTx]  [-C  CHECK] [-D ATTR[,ATTR...]] [-c COMMAND] [-d NUMBER]
       [-i]  [-u  USER]	 [--debug  NUMBER]  [--dump=ATTR[,ATTR...]]   [--help]
       [--show-default]	[--trace] [--usage] [--version]	[FILE]

NOTE
       This  manpage  is a short description of	GNU rush.  For a detailed dis-
       cussion,	including examples and usage  recommendations,	refer  to  the
       manual  GNU  Rush -- a restricted user shell, available in texinfo for-
       mat.  If	the info reader	and the	rush documentation  are	 properly  in-
       stalled on your system, the command

	   info	rush

       should give you access to the complete manual.

       You  can	 also view the manual using the	info mode in emacs(1), or find
       it in various formats online at

	   http://www.gnu.org.ua/software/rush/manual

       If any discrepancies occur between this manpage	and  the  Manual,  the
       later shall be considered the authoritative source.

DESCRIPTION
       GNU  rush  is  a	restricted user	shell, designed	for sites that provide
       limited remote access to	their resources, such as svn or	git  reposito-
       ries, scp, or the like.

       Upon  startup  rush  analyzes  its command line and examines the	set of
       configuration rules to determine	what kind of access the	user is	to  be
       granted.

OPTIONS
       -c COMMAND
	      Execute COMMAND.

       -C, --security-check=CHECK
	      Add or remove configuration security check.  The argument	is one
	      of the following:

	      all    Enable all	checks.

	      owner  Check if the file is owned	by root.

	      iwgrp, groupwritablefile
		     Check if the file is not group writable.

	      iwoth, worldwritablefile
		     Check if the file is not world writable.

	      dir_iwgrp, groupwritabledir
		     Check if the directory where  the	file  resides  is  not
		     group writable.

	      dir_iwoth, worldwritabledir
		     Check  if	the  directory	where  the file	resides	is not
		     world writable.

	      link   Check if the file is not a	symbolic link to a file	resid-
		     ing in a group or world writable directory.

       -d, --debug=NUMBER
	      Set  debugging  level.  The greater is the NUMBER, the more ver-
	      bose is the logging.  The	debugging information is reported  via
	      syslog(3)	 using	authpriv,  priority debug.  Maximum meaningful
	      value for	NUMBER is 3.

       -D, --dump=ATTR[,ATTR...]
	      Request dump mode.  Arguments are	the names of the attributes to
	      be  dumped,  or the word all standing for	all attributes.	 Refer
	      to the GNU Rush manual for a detailed description.

       -i     Emulate interactive access.  Use this option to test whether and
	      how does your configuration allow	interactive access.

       --show-default
	      Show default configuration.

       -t, --test, --lint
	      Run  in test mode.  When this option is given, the following oc-
	      curs:

	      1.     All diagnostic messages are redirected to standard	error,
		     instead of	syslog.

	      2.     If	 a  single non-option argument is present, it is taken
		     as	a name of the configuration file to use.

	      3.     The configuration file is parsed.	If parsing fails,  the
		     program exits with	the code 1.

	      4.     If	 the -c	option is present, rush	processes its argument
		     as	usual, except that the command itself is not executed.

       -T     Test scanner mode.  This option is used by the rush testsuite.

       -u, --user=NAME
	      Supplies user name for use with --test.

       -x, --trace
	      Print parser traces.  When used  twice,  print  lexical  scanner
	      traces as	well.  This option is intended for debugging.

SEE ALSO
       rush.rc(5), rushlast(1),	rushwho(1).

AUTHORS
       Sergey Poznyakoff

BUG REPORTS
       Report bugs to <bug-rush@gnu.org.ua>.

COPYRIGHT
       Copyright (C) 2016-2019 Sergey Poznyakoff
       License GPLv3+: GNU GPL version 3 or later <http://gnu.org/li-
       censes/gpl.html>
       This is free software: you are free  to	change	and  redistribute  it.
       There is	NO WARRANTY, to	the extent permitted by	law.

RUSH				 May 15, 2019			       RUSH(8)

NAME | SYNOPSIS | NOTE | DESCRIPTION | OPTIONS | SEE ALSO | AUTHORS | BUG REPORTS | COPYRIGHT

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