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RUSH(1)                                Rush User Reference                                RUSH(1)

NAME
       rush - restricted user shell

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

NOTE
       This manpage is a short description of GNU rush.  For a detailed discussion, including ex-
       amples and usage recommendations, refer to the manual GNU Rush -- a restricted user shell,
       available in texinfo format.  If the info reader and the rush documentation  are  properly
       installed 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 for-
       mats online at

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

       If any discrepancies occur between this manpage and the Manual, the later shall be consid-
       ered 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 repositories, 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
       -d, --debug=NUMBER
              Set  debugging  level.  The greater is the NUMBER, the more verbose 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.

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

              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.

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

       -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 residing in  a  group  or
                     world writable directory.

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

       --show-default
              Show default configuration.

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

AUTHORS
       Sergey Poznyakoff

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

COPYRIGHT
       Copyright (C) 2016 Sergey Poznyakoff
       License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/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                                     August 20, 2016                                  RUSH(1)

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