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commit 9926360628ce222b3a4e634d07511c99f0515985
Author: Mike Gabriel <mike.gabr...@das-netzwerkteam.de>
Date: Mon Jan 22 22:21:15 2024 +0100
mini/: Complete x2gobroker-ssh-mini implementation and provide it as DEB
package.
---
COPYING.GPL-2+ | 339 +++++++++++++++++++++
debian/changelog | 2 +
debian/control | 23 ++
debian/copyright | 4 +
debian/x2gobroker-ssh-mini.dirs | 2 +
debian/x2gobroker-ssh-mini.docs | 1 +
debian/x2gobroker-ssh-mini.install | 1 +
debian/x2gobroker-ssh-mini.manpages | 1 +
debian/x2gobroker-ssh-mini.postinst | 43 +++
debian/x2gobroker-ssh-mini.postrm | 36 +++
debian/x2gobroker-ssh-mini.prerm | 39 +++
mini/README.md | 31 ++
mini/default.session | 25 ++
.../x2gobroker-ssh-mini | 44 +--
mini/x2gobroker-ssh-mini.8 | 103 +++++++
15 files changed, 672 insertions(+), 22 deletions(-)
diff --git a/COPYING.GPL-2+ b/COPYING.GPL-2+
new file mode 100644
index 0000000..d159169
--- /dev/null
+++ b/COPYING.GPL-2+
@@ -0,0 +1,339 @@
+ GNU GENERAL PUBLIC LICENSE
+ Version 2, June 1991
+
+ Copyright (C) 1989, 1991 Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+ Preamble
+
+ The licenses for most software are designed to take away your
+freedom to share and change it. By contrast, the GNU General Public
+License is intended to guarantee your freedom to share and change free
+software--to make sure the software is free for all its users. This
+General Public License applies to most of the Free Software
+Foundation's software and to any other program whose authors commit to
+using it. (Some other Free Software Foundation software is covered by
+the GNU Lesser General Public License instead.) You can apply it to
+your programs, too.
+
+ When we speak of free software, we are referring to freedom, not
+price. Our General Public Licenses are designed to make sure that you
+have the freedom to distribute copies of free software (and charge for
+this service if you wish), that you receive source code or can get it
+if you want it, that you can change the software or use pieces of it
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+distribute copies of the software, or if you modify it.
+
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+you have. You must make sure that they, too, receive or can get the
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+
+ We protect your rights with two steps: (1) copyright the software, and
+(2) offer you this license which gives you legal permission to copy,
+distribute and/or modify the software.
+
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+that everyone understands that there is no warranty for this free
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+ The precise terms and conditions for copying, distribution and
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+ GNU GENERAL PUBLIC LICENSE
+ TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+ 0. This License applies to any program or other work which contains
+a notice placed by the copyright holder saying it may be distributed
+under the terms of this General Public License. The "Program", below,
+refers to any such program or work, and a "work based on the Program"
+means either the Program or any derivative work under copyright law:
+that is to say, a work containing the Program or a portion of it,
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+language. (Hereinafter, translation is included without limitation in
+the term "modification".) Each licensee is addressed as "you".
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+Activities other than copying, distribution and modification are not
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+running the Program is not restricted, and the output from the Program
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+ 1. You may copy and distribute verbatim copies of the Program's
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+conspicuously and appropriately publish on each copy an appropriate
+copyright notice and disclaimer of warranty; keep intact all the
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+and give any other recipients of the Program a copy of this License
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+You may charge a fee for the physical act of transferring a copy, and
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+ 2. You may modify your copy or copies of the Program or any portion
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+ b) You must cause any work that you distribute or publish, that in
+ whole or in part contains or is derived from the Program or any
+ part thereof, to be licensed as a whole at no charge to all third
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+ c) If the modified program normally reads commands interactively
+ when run, you must cause it, when started running for such
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+ announcement including an appropriate copyright notice and a
+ notice that there is no warranty (or else, saying that you provide
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+These requirements apply to the modified work as a whole. If
+identifiable sections of that work are not derived from the Program,
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+In addition, mere aggregation of another work not based on the Program
+with the Program (or with a work based on the Program) on a volume of
+a storage or distribution medium does not bring the other work under
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+under Section 2) in object code or executable form under the terms of
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+This section is intended to make thoroughly clear what is believed to
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+ 8. If the distribution and/or use of the Program is restricted in
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+ NO WARRANTY
+
+ 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
+FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
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+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
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+INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
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+TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
+YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
+PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGES.
+
+ END OF TERMS AND CONDITIONS
+
+ How to Apply These Terms to Your New Programs
+
+ If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+ To do so, attach the following notices to the program. It is safest
+to attach them to the start of each source file to most effectively
+convey the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+ <one line to give the program's name and a brief idea of what it does.>
+ Copyright (C) <year> <name of author>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, write to the Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+Also add information on how to contact you by electronic and paper mail.
+
+If the program is interactive, make it output a short notice like this
+when it starts in an interactive mode:
+
+ Gnomovision version 69, Copyright (C) year name of author
+ Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+ This is free software, and you are welcome to redistribute it
+ under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License. Of course, the commands you use may
+be called something other than `show w' and `show c'; they could even be
+mouse-clicks or menu items--whatever suits your program.
+
+You should also get your employer (if you work as a programmer) or your
+school, if any, to sign a "copyright disclaimer" for the program, if
+necessary. Here is a sample; alter the names:
+
+ Yoyodyne, Inc., hereby disclaims all copyright interest in the program
+ `Gnomovision' (which makes passes at compilers) written by James Hacker.
+
+ <signature of Ty Coon>, 1 April 1989
+ Ty Coon, President of Vice
+
+This General Public License does not permit incorporating your program into
+proprietary programs. If your program is a subroutine library, you may
+consider it more useful to permit linking proprietary applications with the
+library. If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.
diff --git a/debian/changelog b/debian/changelog
index 4947dcd..0735ff0 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,8 @@ x2gobroker (0.0.4.4-0x2go1) UNRELEASED; urgency=medium
- setup.py: Don't run setup.py with use_2to3 anymore.
- x2gobroker/defaults.py: Gracefully handle API documentation builds during
offline builds.
+ - mini/: Complete x2gobroker-ssh-mini implementation and provide it as DEB
+ package.
-- Mike Gabriel <sunwea...@debian.org> Mon, 15 Nov 2021 15:33:29 +0100
diff --git a/debian/control b/debian/control
index 74d6788..5b92ea8 100644
--- a/debian/control
+++ b/debian/control
@@ -342,3 +342,26 @@ Description: X2Go Session Broker (SSH broker)
This add-on package provides fully-featured SSH brokerage
support (with access to broker agents on remote X2Go
Servers).
+
+Package: x2gobroker-ssh-mini
+Architecture: all
+Depends:
+ ${shlibs:Depends},
+ ${misc:Depends},
+ gawk,
+Description: X2Go Mini Broker (SSH broker)
+ X2Go is a server based computing environment with
+ - session resuming
+ - low bandwidth support
+ - session brokerage support
+ - client side mass storage mounting support
+ - client side printing support
+ - audio support
+ - authentication by smartcard and USB stick
+ .
+ The session broker is a server tool for X2Go that tells your X2Go Client
+ application in a terminal server cluster what servers and session types are
+ most appropriate for the user in front of the X2Go terminal.
+ .
+ This package provides a minimal X2Go SSH Broker implemented as a single
+ shell script.
diff --git a/debian/copyright b/debian/copyright
index eb41114..86f7877 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -22,6 +22,10 @@ Copyright: 2012-2019, Mike Gabriel
<mike.gabr...@das-netzwerkteam.de>
2012, Oleksandr Shneyder <oleksandr.schney...@obviously-nice.de>
License: AGPL-3+
+Files: mini/*
+Copyright: 2018-2020, Stefan Baur <x2go-m...@baur-itcs.de>
+License: GPL-2+
+
Files: debian/*
Copyright: 2012-2019, Mike Gabriel <mike.gabr...@das-netzwerkteam.de>
License: AGPL-3+
diff --git a/debian/x2gobroker-ssh-mini.dirs b/debian/x2gobroker-ssh-mini.dirs
new file mode 100644
index 0000000..11e5dd8
--- /dev/null
+++ b/debian/x2gobroker-ssh-mini.dirs
@@ -0,0 +1,2 @@
+etc/x2go/x2gobroker-ssh-mini/users/
+etc/x2go/x2gobroker-ssh-mini/groups/
diff --git a/debian/x2gobroker-ssh-mini.docs b/debian/x2gobroker-ssh-mini.docs
new file mode 100644
index 0000000..153c57d
--- /dev/null
+++ b/debian/x2gobroker-ssh-mini.docs
@@ -0,0 +1 @@
+mini/README.md
diff --git a/debian/x2gobroker-ssh-mini.install
b/debian/x2gobroker-ssh-mini.install
new file mode 100644
index 0000000..b78c47f
--- /dev/null
+++ b/debian/x2gobroker-ssh-mini.install
@@ -0,0 +1 @@
+mini/x2gobroker-ssh-mini usr/bin/
diff --git a/debian/x2gobroker-ssh-mini.manpages
b/debian/x2gobroker-ssh-mini.manpages
new file mode 100644
index 0000000..d635f98
--- /dev/null
+++ b/debian/x2gobroker-ssh-mini.manpages
@@ -0,0 +1 @@
+mini/x2gobroker-ssh-mini.8
diff --git a/debian/x2gobroker-ssh-mini.postinst
b/debian/x2gobroker-ssh-mini.postinst
new file mode 100755
index 0000000..3fca25f
--- /dev/null
+++ b/debian/x2gobroker-ssh-mini.postinst
@@ -0,0 +1,43 @@
+#!/bin/sh
+# postinst script for x2gobroker-ssh-mini
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# Source debconf library.
+. '/usr/share/debconf/confmodule'
+
+# summary of how this script can be called:
+# * <postinst> `configure' <most-recently-configured-version>
+# * <old-postinst> `abort-upgrade' <new version>
+# * <conflictor's-postinst> `abort-remove' `in-favour' <package>
+# <new-version>
+# * <postinst> `abort-remove'
+# * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
+# <failed-install-package> <version> `removing'
+# <conflicting-package> <version>
+# for details, see https://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+case "${1}" in
+ 'configure')
+ if ! [ -d /etc/x2go/x2gobroker-ssh-mini/defaultsessions/ ]; then
+ mkdir -p /etc/x2go/x2gobroker-ssh-mini/defaultsessions/
+ ln -s /usr/share/x2gobroker-ssh-mini/default.session
/etc/x2go/x2gobroker-ssh-mini/defaultsessions/default.session
+ fi
+ ;;
+ 'abort-upgrade'|'abort-remove'|'abort-deconfigure')
+ ;;
+ *)
+ echo "postinst called with unknown argument '${1}'" >&2
+ exit '1'
+ ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit '0'
diff --git a/debian/x2gobroker-ssh-mini.postrm
b/debian/x2gobroker-ssh-mini.postrm
new file mode 100755
index 0000000..49cb275
--- /dev/null
+++ b/debian/x2gobroker-ssh-mini.postrm
@@ -0,0 +1,36 @@
+#! /bin/sh
+# postrm script for x2gobroker-ssh-mini
+
+set -e
+
+# see: dh_installdeb(1)
+# summary of how this script can be called:
+# * <postrm> `remove'
+# * <postrm> `purge'
+# * <old-postrm> `upgrade' <new-version>
+# * <new-postrm> `failed-upgrade' <old-version>
+# * <new-postrm> `abort-install'
+# * <new-postrm> `abort-install' <old-version>
+# * <new-postrm> `abort-upgrade' <old-version>
+# * <disappearer's-postrm> `disappear' <overwriter>
+# <overwriter-version>
+# for details, see /usr/share/doc/packaging-manual/
+
+case "${1}" in
+ 'purge')
+ rm -Rf '/etc/x2go/x2gobroker-ssh-mini'
+ ;;
+
'remove'|'upgrade'|'failed-upgrade'|'abort-install'|'abort-upgrade'|'disappear')
+ ;;
+ *)
+ echo "postrm called with unknown argument '${1}'" >&2
+ exit '1'
+ ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit '0'
diff --git a/debian/x2gobroker-ssh-mini.prerm b/debian/x2gobroker-ssh-mini.prerm
new file mode 100755
index 0000000..98d7737
--- /dev/null
+++ b/debian/x2gobroker-ssh-mini.prerm
@@ -0,0 +1,39 @@
+#! /bin/sh
+# prerm script for x2gobroker-ssh-mini
+
+set -e
+
+# see: dh_installdeb(1)
+# summary of how this script can be called:
+# * <prerm> `remove'
+# * <old-prerm> `upgrade' <new-version>
+# * <new-prerm> `failed-upgrade' <old-version>
+# * <conflictor's-prerm> `remove' `in-favour' <package> <new-version>
+# * <deconfigured's-prerm> `deconfigure' `in-favour'
+# <package-being-installed> <version> `removing'
+# <conflicting-package> <version>
+# for details, see https://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+case "${1}" in
+ 'remove')
+ # The package is being removed in its own right.
+ if test -L
'/etc/x2go/x2gobroker-ssh-mini/defaultsessions/default.session'; then
+ rm -f
'/etc/x2go/x2gobroker-ssh-mini/defaultsessions/default.session'
+ fi
+ ;;
+ 'deconfigure'|'upgrade'|'failed-upgrade')
+ :
+ ;;
+ *)
+ echo "${0}: didn't understand being called with '${1}'" 1>&2
+ exit '1'
+ ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit '0'
diff --git a/mini/README.md b/mini/README.md
new file mode 100644
index 0000000..bc05544
--- /dev/null
+++ b/mini/README.md
@@ -0,0 +1,31 @@
+# x2gobroker-ssh-mini
+
+Test/Dev/Unstable playground for x2gobroker-ssh-mini
+
+depends: bash, coreutils, gawk, grep, sed, x2goserver
+
+file locations:
+
+default.session -> /usr/share/x2gobroker-ssh-mini/default.session
+
+x2gobroker-ssh-mini -> /usr/bin/x2gobroker-ssh-mini
+
+gzip x2gobroker-ssh-mini.man.8 -> /usr/share/man/man8/x2gobroker-ssh-mini.8.gz
+
+```
+# postinst:
+if ! [ -d /etc/x2go/x2gobroker-ssh-mini/defaultsessions/ ]; then
+ mkdir -p /etc/x2go/x2gobroker-ssh-mini/defaultsessions/
+ ln -s /usr/share/x2gobroker-ssh-mini/default.session
/etc/x2go/x2gobroker-ssh-mini/defaultsessions/default.session
+fi
+
+if ! [ -d /etc/x2go/x2gobroker-ssh-mini/users/ ]; then
+ mkdir -p /etc/x2go/x2gobroker-ssh-mini/users
+ chmod 755 /etc/x2go/x2gobroker-ssh-mini/users
+fi
+
+if ! [ -d /etc/x2go/x2gobroker-ssh-mini/groups/ ]; then
+ mkdir -p /etc/x2go/x2gobroker-ssh-mini/groups
+ chmod 755 /etc/x2go/x2gobroker-ssh-mini/groups
+fi
+```
diff --git a/mini/default.session b/mini/default.session
new file mode 100644
index 0000000..0122915
--- /dev/null
+++ b/mini/default.session
@@ -0,0 +1,25 @@
+speed=4
+pack=16m-jpeg
+quality=9
+fstunnel=true
+iconvto=UTF-8
+iconvfrom=ISO8859-1
+dpi=96
+setdpi=true
+xinerama=true
+usekbd=true
+sound=true
+soundsystem=pulse
+startsoundsystem=true
+soundtunnel=true
+defsndport=true
+sndport=4713
+print=true
+name=Published Applications
+icon=:/img/icons/128x128/x2gosession.png
+published=true
+command=PUBLISHED
+usesshproxy=false
+krbdelegation=false
+clipboard=both
+autologin=true
diff --git a/contrib/x2go-mini-sshbroker b/mini/x2gobroker-ssh-mini
similarity index 83%
rename from contrib/x2go-mini-sshbroker
rename to mini/x2gobroker-ssh-mini
index 59798bc..72ae898 100644
--- a/contrib/x2go-mini-sshbroker
+++ b/mini/x2gobroker-ssh-mini
@@ -3,21 +3,21 @@
# This file is part of the X2Go Project - http://www.x2go.org
# Copyright (C) 2018-2020 by Stefan Baur <x2go-m...@baur-itcs.de>
#
-# X2Go Mini SSH Session Broker is free software; you can redistribute it
and/or modify
-# it under the terms of the GNU Affero General Public License as published by
-# the Free Software Foundation; either version 3 of the License, or
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
-# X2Go Mini SSH Session Broker is distributed in the hope that it will be
useful,
+# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU Affero General Public License for more details.
+# GNU General Public License for more details.
#
-# You should have received a copy of the GNU Affero General Public License
+# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
-
+#
# Features and Limitations
# You can add sessions as for-everyone (defaultsessions), per-group, and
per-user
# You cannot add sessions based on IP range
@@ -30,9 +30,9 @@
# public/private key authentication and autologin is used.)
# Config goes here - always only one session per file!
-# /etc/x2go/x2go-mini-sshbroker/defaultsessions/*.session
-# /etc/x2go/x2go-mini-sshbroker/${USER}/*.session
-# /etc/x2go/x2go-mini-sshbroker/groups/${GROUP}/*.session
+# /etc/x2go/x2gobroker-ssh-mini/defaultsessions/*.session
+# /etc/x2go/x2gobroker-ssh-mini/${USER}/*.session
+# /etc/x2go/x2gobroker-ssh-mini/groups/${GROUP}/*.session
### init ###
# make a list of the parameters we received on the command line
@@ -54,8 +54,8 @@ if (echo -e "$PARAMLIST" | grep -q -- '--task listsessions');
then
fi
# fetch default sessions
- if [ -d /etc/x2go/x2go-mini-sshbroker/defaultsessions ]; then
- for SINGLESESSIONFILE in
/etc/x2go/x2go-mini-sshbroker/defaultsessions/*.session ; do
+ if [ -d /etc/x2go/x2gobroker-ssh-mini/defaultsessions ]; then
+ for SINGLESESSIONFILE in
/etc/x2go/x2gobroker-ssh-mini/defaultsessions/*.session ; do
# add session file name to the list of sessionfiles
SESSIONFILES+="$SINGLESESSIONFILE\n"
# figure out what the name of the session should be,
based on the filename
@@ -72,8 +72,8 @@ if (echo -e "$PARAMLIST" | grep -q -- '--task listsessions');
then
fi
# fetch user-specific sessions
- if [ -d /etc/x2go/x2go-mini-sshbroker/$USER ]; then
- for SINGLESESSIONFILE in
/etc/x2go/x2go-mini-sshbroker/$USER/*.session ; do
+ if [ -d /etc/x2go/x2gobroker-ssh-mini/$USER ]; then
+ for SINGLESESSIONFILE in
/etc/x2go/x2gobroker-ssh-mini/$USER/*.session ; do
# add session file name to the list of sessionfiles
SESSIONFILES+="$SINGLESESSIONFILE\n"
# figure out what the name of the session should be,
based on the filename
@@ -90,11 +90,11 @@ if (echo -e "$PARAMLIST" | grep -q -- '--task
listsessions'); then
fi
# fetch group-specific sessions
- if [ -d /etc/x2go/x2go-mini-sshbroker/groups ]; then
+ if [ -d /etc/x2go/x2gobroker-ssh-mini/groups ]; then
# determine groups for this user and work through the list
for SINGLEGROUP in $(id -Gn $USER) ; do
- if [ -d
/etc/x2go/x2go-mini-sshbroker/groups/$SINGLEGROUP ]; then
- for SINGLESESSIONFILE in
/etc/x2go/x2go-mini-sshbroker/groups/$SINGLEGROUP/*.session ; do
+ if [ -d
/etc/x2go/x2gobroker-ssh-mini/groups/$SINGLEGROUP ]; then
+ for SINGLESESSIONFILE in
/etc/x2go/x2gobroker-ssh-mini/groups/$SINGLEGROUP/*.session ; do
# add session file name to the list of
sessionfiles
SESSIONFILES+="$SINGLESESSIONFILE\n"
# figure out what the name of the
session should be, based on the filename
@@ -133,9 +133,9 @@ elif (echo -e "$PARAMLIST" | grep -q -- '--task
selectsession'); then
SERVER=$(awk -F '=' '$1 == "host" { print $2 }' $SESSIONFILE)
PORT=$(awk -F '=' '$1 == "sshport" { print $2 }' $SESSIONFILE)
# if this failed, set default values
- if [ -z "$SERVER" ] && [ -f
/etc/x2go/x2go-mini-sshbroker/defaulthost ]; then
+ if [ -z "$SERVER" ] && [ -f
/etc/x2go/x2gobroker-ssh-mini/defaulthost ]; then
# determine default hostname/IP
- read DEFAULTHOST
</etc/x2go/x2go-mini-sshbroker/defaulthost
+ read DEFAULTHOST
</etc/x2go/x2gobroker-ssh-mini/defaulthost
SERVER=$DEFAULTHOST
fi
@@ -151,16 +151,16 @@ elif (echo -e "$PARAMLIST" | grep -q -- '--task
selectsession'); then
# NOTE: at present, this only checks for local sessions
(X2GoBroker==X2GoServer)
# to make this work with a separate X2GoServer, we would need
something like
#if [ -z "$SESSIONLIST" ] && [ -n "$SSH_AUTH_SOCK" ]; then
- # # very hackish and not safe! Try to add hosts to a
shared known_hosts file in advance, and place it in
/etc/x2go/x2go-mini-sshbroker/
+ # # very hackish and not safe! Try to add hosts to a
shared known_hosts file in advance, and place it in
/etc/x2go/x2gobroker-ssh-mini/
# # then point UserKnownHostsFile at that and get rid of
the StrictHostKeyChecking=false
# SESSIONLIST=$(ssh -oStrictHostKeyChecking=false
-oUserKnownHostsFile=/dev/null -p $PORT -A $USER@$SERVER x2golistsessions
2>/dev/null)
#fi
# but the problem is, that it seems SSH_AUTH_SOCK is not set by
the broker when logging in
- # one way around this might be an ssh private key stored in
/etc/x2go/x2go-mini-sshbroker/, that is added as a limited key with
+ # one way around this might be an ssh private key stored in
/etc/x2go/x2gobroker-ssh-mini/, that is added as a limited key with
# "forced-command=x2golistsessions_root" to
/root/.ssh/authorized_keys to all servers - the output would then have to be
filtered for the
# username in question, as _root shows the data of all users on
that particular host
if [ -n "$SESSIONLIST" ]; then
echo "SESSION_INFO:$SESSIONLIST"
fi
fi
-# DEBUG echo "$@" >>/tmp/x2go-mini-sshbroker-commands
+# DEBUG echo "$@" >>/tmp/x2gobroker-ssh-mini-commands
diff --git a/mini/x2gobroker-ssh-mini.8 b/mini/x2gobroker-ssh-mini.8
new file mode 100644
index 0000000..3bc2a5e
--- /dev/null
+++ b/mini/x2gobroker-ssh-mini.8
@@ -0,0 +1,103 @@
+'\" -*- coding: utf-8 -*-
+'\" vim:fenc=utf-8
+.if \n(.g .ds T< \\FC
+.if \n(.g .ds T> \\F[\n[.fam]]
+.de URL
+\\$2 \(la\\$1\(ra\\$3
+..
+.if \n(.g .mso www.tmac
+.TH x2gobroker-ssh-mini 8 "Apr 2020" "Version 0.0.4.x" "X2Go Session Broker"
+.SH NAME
+x2gobroker-ssh-mini \- A Minimalistic SSH Session Broker for X2Go
+.SH SYNOPSIS
+'nh
+.fi
+.ad l
+\fBx2gobroker-ssh-mini\fR \kx
+.if (\nx>(\n(.l/2)) .nr x (\n(.l/5)
+'in \n(.iu+\nxu
+[
+\fIoptions\fR
+]
+'in \n(.iu-\nxu
+.ad b
+'hy
+.SH DESCRIPTION
+\fBx2gobroker-ssh-mini\fR is a minimalistic SSH session broker for X2Go.
+It can be used as a simple testing aid for the code parts in X2GoClient that
interact with a session broker, but it can also be used as a tool for central
session configuration deployment in a single-server production environment.
+Its main advantage is that it does not require a shared session database
(postgres/MySQL), nor shared homedirectories (like NFS), nor central
authentication (like LDAP), as would be the case in a multi-server setup -
instead, it runs directly on an X2Go server.
+Its main disadvantage is that it is limited to exactly one X2Go server, so
there is no load balancing capability built into its code.
+There might be ways to extend it so it can handle more than one server, but
they all seem very hackish.
+Also, it does not have all the fancy ACL features the larger brokers have.
+It does, however, support some basic ACLs based on user account and group
membership - and it might be possible to add support for source-IP based ACLs.
+.SH GENERAL OPTIONS
+\fBx2gobroker-ssh-mini\fR, when run from the command line or via SSH,
accepts/requires these options:
+.TP
+\*(T<\fB\-\-sid SESSIONID\fR\*(T>
+Used together with \-\-task selectsession to specify the particular session.
This parameter is optional.
+.TP
+\*(T<\fB\-\-task {listsessions, selectsession}\fR\*(T>
+Specify one of the known broker tasks (listsessions, selectsession). This
parameter is mandatory, the command execution will fail if it is omitted.
+.TP
+\*(T<\fB\-\-user USERNAME\fR\*(T>
+This parameter is currently not implemented. See source code for details.
+.SH CONFIGURATION
+.TP
+\*(T<\fB/etc/x2go/x2gobroker-ssh-mini/defaulthost\fR\*(T>
+This file is optional. \fBx2gobroker-ssh-mini\fR does a pretty good job at
guessing its own FQDN/IP and port on the network it is connected to, so you can
simply omit the "host=" and "port=" fields in your session files (note that if
they are present, they will take precedence over the automatic detection).
However, if you are using NAT/portforwarding to access the server, then you
will either have to set "host=" and "port=" to the public FQDN/IP and the
forwarded port in each of your [...]
+.TP
+\*(T<\fB/etc/x2go/x2gobroker-ssh-mini/defaultsessions/\fR\*(T>
+Session files for sessions that are meant to be available to all users should
be placed in this directory.
+Depending on your distribution, you may find a symlink pointing at
/usr/share/x2gobroker-ssh-mini/default.session in this directory. If you wish
to keep it, but want to make changes to it, please remove the symlink and
replace it with an actual copy of the file, or else your changes will be
overwritten with each update of this package.
+.TP
+\*(T<\fB/etc/x2go/x2gobroker-ssh-mini/groups/GROUPNAME/\fR\*(T>
+To limit visibility of one or more sessions to users belonging to a particular
group, create a directory with the group's name in
/etc/x2go/x2gobroker-ssh-mini/groups/ and place the corresponding session files
there.
+.TP
+\*(T<\fB/etc/x2go/x2gobroker-ssh-mini/users/USERNAME/\fR\*(T>
+To limit visibility of one or more sessions to a particular user, create a
directory with the user's name in /etc/x2go/x2gobroker-ssh-mini/users/ and
place the corresponding session files there.
+.SH SECURITY CONSIDERATIONS
+Make sure the individual /etc/x2go/x2gobroker-ssh-mini/users/USERNAME and
/etc/x2go/x2gobroker-ssh-mini/groups/GROUPNAME directories are chmod'ed 755
when owned by root so users can access them, but cannot alter them.
+Same goes for all session files, which should be chmod'ed 644 when owned by
root.
+You can restrict visibility of session files further by changing the ownership
of the USERNAME directories and the files within to root:USERNAME and the
ownership of the GROUPNAME directories and the files within to root:GROUPNAME.
When doing so, you can use chmod 750 for the directories and chmod 640 for the
session files.
+.SH SESSION FILE CREATION
+.TP
+Session files can be created from scratch, based on the default.session sample
file (see section FILES below), or based on a regular user's
~/.x2goclient/sessions file. The main differences, compared to a regular
sessions file, are:
+.TP
+Only one session per file.
+.TP
+The numeric session ID, along with its square brackets, needs to be removed.
+.TP
+The "user=" field will always be overridden with the user that established the
broker connection, so this field is entirely optional.
+.TP
+The "host=" and "port=" fields are optional as well. They will be used if
present, but will be filled with what \fBx2gobroker-ssh-mini\fR believes to be
correct if absent. See section CONFIGURATION on how to override
\fBx2gobroker-ssh-mini\fR's guesses.
+.TP
+When saving the file, you should use a file name like
<someuniquesessionname>.session, but note that the display name is not
generated from the file name. Instead, it is read from the value of the field
"name=" in the file itself.
+.SH USAGE
+.TP
+Assuming you have at least one valid session file (the file
/usr/share/x2gobroker-ssh-mini/default.session, symlinked or copied into
/etc/x2go/x2gobroker-ssh-mini/defaultsessions/, will do just fine), you can now
start X2GoClient on a client and connect to the broker like so:
+.TP
+x2goclient
--broker-url=ssh://USERNAME@SERVER[:PORT]/usr/bin/x2gobroker-ssh-mini
[--broker-autologin]
+.PP
+.SH "FILES"
+/etc/x2go/x2gobroker-ssh-mini/defaulthost - Optional configuration file
containing FQDN/IP and port.
+.br
+/etc/x2go/x2gobroker-ssh-mini/defaultsessions - The directory where session
files that everyone should have access to are stored.
+.br
+/etc/x2go/x2gobroker-ssh-mini/groups/GROUPNAME - The directory where session
files that only the members of group GROUPNAME should see are stored.
+.br
+/etc/x2go/x2gobroker-ssh-mini/users/USERNAME - The directory where session
files that only user USERNAME should see are stored.
+.br
+/usr/bin/x2gobroker-ssh-mini - This is the actual executable.
+.br
+/usr/share/x2gobroker-ssh-mini/default.session - This file contains a sample
session configuration for Published Applications.
+.SH TODO
+.TP
+Currently, there's no regular nor debug logging code present in
\fBx2gobroker-ssh-mini\fR. This should be changed so it logs either to a
dedicated file and/or to syslog.
+.TP
+It might make sense to change the shebang line to "#!/bin/bash -e". However,
this needs further testing (are there any conditions where we're currently
ignoring a presumably harmless failure)?
+.TP
+The code could probably be simplified/cleaned up by turning recurring blocks
of code into functions.
+.TP
+It should be possible to add a sessions ACL based on the IP/IP range the
connection is being made from. This needs parsing of first field of the
SSH_CONNECTION environment variable and some tinkering with the grepcidr
command.
+.SH AUTHOR
+This manual has been written for the X2Go project by Stefan Baur
<x2go-m...@baur-itcs.de>.
\ No newline at end of file
--
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/srv/git/code.x2go.org/x2gobroker.git
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