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Mon, 22 Mar 2021 11:45:45 -0700 (PDT)
From: Oleg Pykhalov <go.wigust@HIDDEN>
To: Joshua Branson <jbranso@HIDDEN>
Subject: Re: bug#39136: [PATCH] gnu: services: Add endlessh.
References: <874kwx91k6.fsf@HIDDEN>
<87a6r39ksa.fsf@HIDDEN> <87h7l7kt9r.fsf_-_@HIDDEN>
Date: Mon, 22 Mar 2021 21:45:42 +0300
In-Reply-To: <87h7l7kt9r.fsf_-_@HIDDEN> (Joshua Branson's message of "Fri,
19 Mar 2021 12:22:40 -0400")
Message-ID: <87zgyv2fjd.fsf_-_@HIDDEN>
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--==-=-=
Content-Type: multipart/mixed; boundary="=-=-="
--=-=-=
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: quoted-printable
Hello,
I failed to test endlessh with "services: containerized endlessh" patch
in a virtual machine. Unfortunately at the moment I'm not familiar with
=E2=80=98make-forkexec-constructor/container=E2=80=99 machinery, and have n=
o idea about
that causing the issue of boot hang. Failed VM config in attachment.
--=-=-=
Content-Type: text/x-scheme
Content-Disposition: attachment; filename=vm-image.tmpl
Content-Description: vm-image.tmpl
;; This is an operating system configuration for a VM image.
;; Modify it as you see fit and instantiate the changes by running:
;;
;; guix system reconfigure /etc/config.scm
;;
(use-modules (gnu) (guix) (srfi srfi-1))
(use-service-modules desktop networking ssh xorg)
(use-package-modules bootloaders certs fonts nvi
package-management wget xorg)
(define vm-image-motd (plain-file "motd" "
\x1b[1;37mThis is the GNU system. Welcome!\x1b[0m
This instance of Guix is a template for virtualized environments.
You can reconfigure the whole system by adjusting /etc/config.scm
and running:
guix system reconfigure /etc/config.scm
Run '\x1b[1;37minfo guix\x1b[0m' to browse documentation.
\x1b[1;33mConsider setting a password for the 'root' and 'guest' \
accounts.\x1b[0m
"))
(operating-system
(host-name "gnu")
(timezone "Etc/UTC")
(locale "en_US.utf8")
(keyboard-layout (keyboard-layout "us" "altgr-intl"))
;; Label for the GRUB boot menu.
(label (string-append "GNU Guix " (package-version guix)))
(firmware '())
;; Below we assume /dev/vda is the VM's hard disk.
;; Adjust as needed.
(bootloader (bootloader-configuration
(bootloader grub-bootloader)
(target "/dev/vda")
(terminal-outputs '(console))))
(file-systems (cons (file-system
(mount-point "/")
(device "/dev/vda1")
(type "ext4"))
%base-file-systems))
(users (cons (user-account
(name "guest")
(comment "GNU Guix Live")
(password "") ;no password
(group "users")
(supplementary-groups '("wheel" "netdev"
"audio" "video")))
%base-user-accounts))
;; Our /etc/sudoers file. Since 'guest' initially has an empty password,
;; allow for password-less sudo.
(sudoers-file (plain-file "sudoers" "\
root ALL=(ALL) ALL
%wheel ALL=NOPASSWD: ALL\n"))
(packages (append (list nss-certs wget)
%base-packages))
(services
(append (list ;; Uncomment the line below to add an SSH server.
;; (service openssh-service-type
;; (openssh-configuration
;; (port-number 2222)))
(service endlessh-service-type
(endlessh-configuration
(port-number 2222)))
;; Use the DHCP client service rather than NetworkManager.
(service dhcp-client-service-type))
;; Remove GDM, ModemManager, NetworkManager, and wpa-supplicant,
;; which don't make sense in a VM.
(remove (lambda (service)
(let ((type (service-kind service)))
(or (memq type
(list gdm-service-type
wpa-supplicant-service-type
cups-pk-helper-service-type
network-manager-service-type
modem-manager-service-type))
(eq? 'network-manager-applet
(service-type-name type)))))
(modify-services %base-services
(login-service-type config =>
(login-configuration
(inherit config)
(motd vm-image-motd)))))))
;; Allow resolution of '.local' host names with mDNS.
(name-service-switch %mdns-host-lookup-nss))
--=-=-=
Content-Type: text/plain
I succeeded to test without "services: containerized endlessh". If wish
to fix a problem, ping me then you done. Otherwise I could push a
working version without containerization.
Thanks,
Oleg.
--=-=-=--
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guix-patches@HIDDEN:bug#39136; Package guix-patches.
Full text available.Received: (at 39136) by debbugs.gnu.org; 19 Mar 2021 16:23:08 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Fri Mar 19 12:23:08 2021 Received: from localhost ([127.0.0.1]:50876 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1lNHtz-0006Pr-TO for submit <at> debbugs.gnu.org; Fri, 19 Mar 2021 12:23:08 -0400 Received: from mx1.dismail.de ([78.46.223.134]:8171) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <jbranso@HIDDEN>) id 1lNHty-0006PA-AD for 39136 <at> debbugs.gnu.org; Fri, 19 Mar 2021 12:23:07 -0400 Received: from mx1.dismail.de (localhost [127.0.0.1]) by mx1.dismail.de (OpenSMTPD) with ESMTP id c3e611f8; Fri, 19 Mar 2021 17:22:59 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=dismail.de; h=from:to :subject:references:cc:date:in-reply-to:message-id:mime-version :content-type; s=20190914; bh=l1/wowBBoZpZl+YCg2ZbLQdaWIvjTVXdJB ITsg8bb78=; b=FBOsp6k9F2kSxRJbxFT0RZ8TqnHXzZbJqOTMmdmXbM8Q1SiFee FoZtpRU5XGcLdF1HvuAMq20sILmMEoa7evAtkXhBnS/s5kRAXTc3zD18DjVLQijl /n0EcOlDkZ0rZVVhv/xD5UD1Ybgms2kwwZ43H0PkfSjVKxRxQEI/xyR3G4zyOLnH JymfA5eypGgVA6TiZU8JElznLPfzIjU88+v/cHt09IDPOD3jNaB8UylT/1PzzpLG xjjDB3Xmbzm6GK9qBOD2HI4Yu5WAOfm5Fm1BoyK2bA8gs8q8d9sqoJgBP0v68m0h IAXxUll/oInDldl3sU7+4CMU9hFYWRhK1Bkg== Received: from smtp2.dismail.de (<unknown> [10.240.26.12]) by mx1.dismail.de (OpenSMTPD) with ESMTP id acd5e0ce; Fri, 19 Mar 2021 17:22:59 +0100 (CET) Received: from smtp2.dismail.de (localhost [127.0.0.1]) by smtp2.dismail.de (OpenSMTPD) with ESMTP id 1467b0f0; Fri, 19 Mar 2021 17:22:59 +0100 (CET) Received: by dismail.de (OpenSMTPD) with ESMTPSA id a7a1b547 (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO); Fri, 19 Mar 2021 17:22:58 +0100 (CET) From: Joshua Branson <jbranso@HIDDEN> To: 39136 <at> debbugs.gnu.org Subject: Re: bug#39136: [PATCH] gnu: services: Add endlessh. References: <874kwx91k6.fsf@HIDDEN> <87a6r39ksa.fsf@HIDDEN> Date: Fri, 19 Mar 2021 12:22:40 -0400 In-Reply-To: <87a6r39ksa.fsf@HIDDEN> (Joshua Branson's message of "Tue, 16 Mar 2021 11:32:21 -0400") Message-ID: <87h7l7kt9r.fsf_-_@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.1 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 39136 Cc: go.wigust@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Ping for Oleg! Thanks! Joshua P.S. I forget to include your email in the patch series. I know the patch series could be better, but I figured I'd rather submit something rather than nothing. Thanks! -- Joshua Branson (joshuaBPMan in #guix) Sent from Emacs and Gnus https://gnucode.me https://video.hardlimit.com/accounts/joshua_branson/video-channels https://propernaming.org "You can have whatever you want, as long as you help enough other people get what they want." - Zig Ziglar
guix-patches@HIDDEN:bug#39136; Package guix-patches.
Full text available.Received: (at 39136) by debbugs.gnu.org; 16 Mar 2021 15:42:47 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Mar 16 11:42:47 2021 Received: from localhost ([127.0.0.1]:40786 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1lMBqI-00021e-Th for submit <at> debbugs.gnu.org; Tue, 16 Mar 2021 11:42:47 -0400 Received: from mx1.dismail.de ([78.46.223.134]:26741) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <jbranso@HIDDEN>) id 1lMBqH-00021P-26 for 39136 <at> debbugs.gnu.org; Tue, 16 Mar 2021 11:42:45 -0400 Received: from mx1.dismail.de (localhost [127.0.0.1]) by mx1.dismail.de (OpenSMTPD) with ESMTP id 8c426939; Tue, 16 Mar 2021 16:42:38 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=dismail.de; h=date :message-id:from:to:cc:subject; s=20190914; bh=zelpc1C1M/koxQEXk +Roj/oRRZjWoddSC4CWJif1Ego=; b=l445TLAJ3ai5chRTcEKXelINRraad/uy+ h9B8rgRFPSJDu0SHW1A5jsYbirbD50GSXKI1kAS74wE003k7qA/XfcPV4WjYWv3x BhbZmR2XjfgMI4A5U7AS3hjU99U+U52GlPx5kS4XI4V6Qlim13ztKSjpZ9RyS9Sa sV0h50AfgDwOE0TQJvpeX4k1vuIhvilgY/Rkq+t4NaJNeGDtKosR04RZvV6icXsg o3HfHeiOlpl2lU1Di3VWQnuUJtAjtxgT0J7tKMWvexmZ0qV2vevOHX8FrXbuqBUe ViPgzTDe787C6qzWJuVQqwyT+y1px77yWtDzVCc47yoZgShnwBSJg== Received: from smtp2.dismail.de (<unknown> [10.240.26.12]) by mx1.dismail.de (OpenSMTPD) with ESMTP id 87bf9ff5; Tue, 16 Mar 2021 16:42:38 +0100 (CET) Received: from smtp2.dismail.de (localhost [127.0.0.1]) by smtp2.dismail.de (OpenSMTPD) with ESMTP id 75f310ae; Tue, 16 Mar 2021 16:42:38 +0100 (CET) Received: by dismail.de (OpenSMTPD) with ESMTPSA id 5386d147 (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO); Tue, 16 Mar 2021 16:42:37 +0100 (CET) Date: Tue, 16 Mar 2021 11:42:18 -0400 Message-Id: <878s6n9kbp.fsf@HIDDEN> From: Joshua Branson <jbranso@HIDDEN> To: 39136 <at> debbugs.gnu.org Subject: issues.guix.org not showing patch series? X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 39136 Cc: bug-guix@HIDDEN X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Hello! I just submitted a patch series for an endlessh service! However, issues.guix.gnu.org/39136 does not properly show the patch series. :( Maybe I just submitted the patch series incorrectly. :) You can see the patch series here: https://lists.gnu.org/archive/html/guix-patches/2021-03/msg00672.html And via M-x debbugs-gnu-bugs RET 39136 RET I'm not certain what the issue is... This is the command that I used to send the patch series. #+BEGIN_SRC sh git send-email --to=39136 <at> debbugs.gnu.org HEAD~2 #+END_SRC Thanks! Your friend, Joshua
guix-patches@HIDDEN:bug#39136; Package guix-patches.
Full text available.Received: (at 39136) by debbugs.gnu.org; 16 Mar 2021 15:32:50 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Tue Mar 16 11:32:50 2021 Received: from localhost ([127.0.0.1]:40762 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1lMBgg-0001k9-FO for submit <at> debbugs.gnu.org; Tue, 16 Mar 2021 11:32:50 -0400 Received: from mx1.dismail.de ([78.46.223.134]:15951) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <jbranso@HIDDEN>) id 1lMBgf-0001js-5h for 39136 <at> debbugs.gnu.org; Tue, 16 Mar 2021 11:32:50 -0400 Received: from mx1.dismail.de (localhost [127.0.0.1]) by mx1.dismail.de (OpenSMTPD) with ESMTP id 6a7a8599 for <39136 <at> debbugs.gnu.org>; Tue, 16 Mar 2021 16:32:41 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed; d=dismail.de; h=date :message-id:from:to:subject; s=20190914; bh=Od5ECtnalWwbRzVygkza bg6EEc6xgKcKA0/qTxYScpY=; b=az8nCDmYkBuEZgBT/03kQgjHWOeQG77pB9cC PXGe6VvaB+RJfZUNAX1XDMVlibXzsuSpwQRZEjYoAW1TfuxHfevikOiifhK99kV7 sKRyGp3OQOtc6n13QVO5EbDHXEslzExSPTZ9wAeTAcDCdgmH6W2WBx2Mj6XlEuCF N+6wc+CVg+yeUh0FIHQLpKxzUTzzEjJOFMC3S0D/di8n+cqdfCja5cSjFrDS0Mhx Fk8nPDWMHuwHGOj9QWniZpX8xTgFwvgmAndHn4PKC5JATIPLLHCmNy+sgd1e4juy oO6AWdnWWRyeckIvTgfzyds99zXP1ks/DjfuqXIWJ37AntYSyg== Received: from smtp2.dismail.de (<unknown> [10.240.26.12]) by mx1.dismail.de (OpenSMTPD) with ESMTP id 69d59fc6 for <39136 <at> debbugs.gnu.org>; Tue, 16 Mar 2021 16:32:41 +0100 (CET) Received: from smtp2.dismail.de (localhost [127.0.0.1]) by smtp2.dismail.de (OpenSMTPD) with ESMTP id 7d26d748 for <39136 <at> debbugs.gnu.org>; Tue, 16 Mar 2021 16:32:41 +0100 (CET) Received: by dismail.de (OpenSMTPD) with ESMTPSA id c4b0a7e4 (TLSv1.3:AEAD-AES256-GCM-SHA384:256:NO) for <39136 <at> debbugs.gnu.org>; Tue, 16 Mar 2021 16:32:40 +0100 (CET) Date: Tue, 16 Mar 2021 11:32:21 -0400 Message-Id: <87a6r39ksa.fsf@HIDDEN> From: Joshua Branson <jbranso@HIDDEN> To: 39136 <at> debbugs.gnu.org Subject: My endlessh patch series X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 39136 X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) So I've been working on this endlessh service for a while. I believe it could be better, but perfectionist can only do one thing perfectly: nothing. So I've submitted the above patch series. Let me know if it needs more work. At the moment, I believe that endlessh runs as root. It would be nice to let it run as user nobody or something like that. The endlessh systemd file provides an example of how to do that: https://github.com/skeeto/endlessh/blob/master/util/endlessh.service ## If you want Endlessh to bind on ports < 1024 ## 1) run: ## setcap 'cap_net_bind_service=+ep' /usr/local/bin/endlessh ## 2) uncomment following line #AmbientCapabilities=CAP_NET_BIND_SERVICE ## 3) comment following line PrivateUsers=true Though setcap 'cap_net_bind_service=+ep' is linux specific. And I'm not certain if guix has a method for running setcap on items in the store. Those are just some relevant thoughts for improving the service! Thanks!
guix-patches@HIDDEN:bug#39136; Package guix-patches.
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From: Joshua Branson <jbranso@HIDDEN>
To: 39136 <at> debbugs.gnu.org
Subject: [PATCH 2/2] services: containerized endlessh
Date: Mon, 15 Mar 2021 12:29:49 -0400
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doc: endlessh service documentation.
* doc/guix.texi (Networking Services): New endlessh-service-type section.
services: containerized endlessh
* gnu/services/ssh.scm (endlessh-config->conf): make-forkexec-contructor ->
make-forkexec-constructor/container. and attempted to enable logging to syslog.
(define-record-type* <endlessh-configuration>)
move default values of endlessh configuration to separate line.
Add copyright line for Nicolo.
---
doc/guix.texi | 60 ++++++++++++++++++++++++++++++++++++++++++++
gnu/services/ssh.scm | 35 ++++++++++++++++++--------
2 files changed, 85 insertions(+), 10 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi
index 464c1141d8..38807b3069 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -17081,6 +17081,66 @@ may cause undefined behaviour.
@end table
@end deftp
+@cindex Endlessh
+@deffn {Scheme Variable} endlessh-service-type
+This is the type for the @uref{https://github.com/skeeto/endlessh,
+Endlessh} program that delays ssh clients for days at a time by
+@emph{very slowly} sending a random and endless SSH banner. The smart
+hacker will put endlessh running on port 22, and let crackers get stuck
+in this tarpit. This lets your real ssh server run more securely on a
+non-standard port.
+
+For example:
+
+@lisp
+(service endlessh-service-type
+ (endlessh-configuration
+ (port-number 22)))
+@end lisp
+
+@end deffn
+
+@deftp {Data Type} endlessh-configuration
+Data type representing the configuration for @code{endlessh-service}.
+@table @asis
+@item @code{package} (default: @var{endlessh})
+@code{endlessh} package to use.
+
+@item @code{bind-family} (default: @code{'(ipv4 ipv6)})
+This specifies if endlessh should use ipv4 and/or ipv6.
+
+@item @code{delay} (default: @code{10000})
+The endless banner is sent one line at a time. This is the delay
+in milliseconds between individual lines.
+
+@item @code{length} (default: @code{32})
+The length of each line is randomized. This controls the maximum length
+of each line. Shorter lines may keep clients on for longer if they give
+up after a certain number of bytes.
+
+@item @code{max-clients} (default: @code{4096})
+Maximum number of connections to accept at a time. Connections beyond
+this are not immediately rejected, but will wait in the queue.
+
+@item @code{port-number} (default: @code{2222})
+The port on which to listen for new SSH connections. Most users who
+want to use endlessh as intended should set this port number to
+@code{22}.
+
+@item @code{log-level} (default: @code{0})
+Set the detail level for the log.
+@table @asis
+@item 0 = Quiet
+@item 1 = Standard, useful log messages
+@item 2 = Very noisy debugging information
+@end table
+
+@item @code{syslog} (default: @code{#f})
+Print diagnostics to syslog instead of standard output
+
+@end table
+@end deftp
+
@cindex WebSSH
@deffn {Scheme Variable} webssh-service-type
This is the type for the @uref{https://webssh.huashengdun.org/, WebSSH}
diff --git a/gnu/services/ssh.scm b/gnu/services/ssh.scm
index aad9bbc754..838655cf2c 100644
--- a/gnu/services/ssh.scm
+++ b/gnu/services/ssh.scm
@@ -6,6 +6,8 @@
;;; Copyright © 2019 Ricardo Wurmus <rekado@HIDDEN>
;;; Copyright © 2020 pinoaffe <pinoaffe@HIDDEN>
;;; Copyright © 2020 Oleg Pykhalov <go.wigust@HIDDEN>
+;;; Copyright © 2020 Nicolò Balzarotti <nicolo@HIDDEN>
+;;; Copyright @ 2021 Joshua Branson <jbranso@HIDDEN>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -752,19 +754,25 @@ object."
endlessh-configuration make-endlessh-configuration
endlessh-configuration?
;; list of two symbols, allowed values are ipv4, ipv6 or both
- (bind-family endlessh-configuration-bind-family (default '(ipv4 ipv6)))
+ (bind-family endlessh-configuration-bind-family
+ (default '(ipv4 ipv6)))
;; integer
- (delay endlessh-configuration-delay (default 10000))
+ (delay endlessh-configuration-delay
+ (default 10000))
;; integer
;; Must be in the range
- (length endlessh-configuration-length (default 32))
+ (length endlessh-configuration-length
+ (default 32))
;; integer
- (max-clients endlessh-configuration-max-clients (default 4096))
+ (max-clients endlessh-configuration-max-clients
+ (default 4096))
;; integer
- (port-number endlessh-configuration-port-number (default 2222))
+ (port-number endlessh-configuration-port-number
+ (default 2222))
;; integer
;; Allowed values are 0, 1 and 2
- (log-level endlessh-configuration-log-level (default 0)))
+ (log-level endlessh-configuration-log-level
+ (default 0)))
(define (endlessh-config->conf config)
"Convert the CONFIG of type <endlessh-config> to a config file."
@@ -797,15 +805,22 @@ object."
(shepherd-service
(documentation "Run endlessh tarpit server.")
(provision '(endlessh))
- (start #~(make-forkexec-constructor
- (list #$(file-append endlessh "/bin/endlessh")
- "-f" #$(endlessh-config->conf config))))
+ (start #~(make-forkexec-constructor/container
+ `(list #$(file-append endlessh "/bin/endlessh")
+ ,(if (positive? (endlessh-configuration-log-level config))
+ "-s"
+ "")
+ "-f" #$(endlessh-config->conf config))))
(stop #~(make-kill-destructor))))
(define endlessh-service-type
(service-type
(name 'endlessh)
- (description "Run endlessh tarpit server.")
+ (description "Endlessh is an SSH tarpit that very slowly sends an endless,
+random SSH banner. It keeps SSH clients locked up for hours or even days at a
+time. The purpose is to put your real SSH server on another port and then let
+the script kiddies get stuck in this tarpit instead of bothering a real
+server.")
(extensions
(list (service-extension shepherd-root-service-type
(compose list endlessh-shepherd-service))))
--
2.30.0
guix-patches@HIDDEN:bug#39136; Package guix-patches.
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From: Joshua Branson <jbranso@HIDDEN>
To: 39136 <at> debbugs.gnu.org
Subject: [PATCH 1/2] services: Add endlessh service.
Date: Mon, 15 Mar 2021 12:29:48 -0400
Message-Id: <20210315162949.17092-1-jbranso@HIDDEN>
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From: Nicolò Balzarotti <nicolo@HIDDEN>
* gnu/services/ssh.scm: Add endlessh service
(<endlessh-configuration>): New record type.
(endlessh-config->conf, endlessh-shepherd-service, endlessh-service-type): New procedures.
---
gnu/services/ssh.scm | 73 ++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 73 insertions(+)
diff --git a/gnu/services/ssh.scm b/gnu/services/ssh.scm
index 1891db0487..aad9bbc754 100644
--- a/gnu/services/ssh.scm
+++ b/gnu/services/ssh.scm
@@ -54,6 +54,10 @@
autossh-configuration?
autossh-service-type
+ endlessh-configuration
+ endlessh-configuration?
+ endlessh-service-type
+
webssh-configuration
webssh-configuration?
webssh-service-type
@@ -739,6 +743,75 @@ object."
autossh-service-activation)))
(default-value (autossh-configuration))))
+
+;;;
+;;; Endlessh.
+;;;
+
+(define-record-type* <endlessh-configuration>
+ endlessh-configuration make-endlessh-configuration
+ endlessh-configuration?
+ ;; list of two symbols, allowed values are ipv4, ipv6 or both
+ (bind-family endlessh-configuration-bind-family (default '(ipv4 ipv6)))
+ ;; integer
+ (delay endlessh-configuration-delay (default 10000))
+ ;; integer
+ ;; Must be in the range
+ (length endlessh-configuration-length (default 32))
+ ;; integer
+ (max-clients endlessh-configuration-max-clients (default 4096))
+ ;; integer
+ (port-number endlessh-configuration-port-number (default 2222))
+ ;; integer
+ ;; Allowed values are 0, 1 and 2
+ (log-level endlessh-configuration-log-level (default 0)))
+
+(define (endlessh-config->conf config)
+ "Convert the CONFIG of type <endlessh-config> to a config file."
+ (let* ((family (endlessh-configuration-bind-family config))
+ (ipv4 (member 'ipv4 family))
+ (ipv6 (member 'ipv6 family))
+ (port (endlessh-configuration-port-number config))
+ (delay (endlessh-configuration-delay config))
+ (length (endlessh-configuration-length config))
+ (log-level (endlessh-configuration-log-level config))
+ (max-clients (endlessh-configuration-max-clients config))
+ (bind
+ ;; check if both are true (0), or only one of them is present
+ (if (not (and (equal? ipv4 ipv6) ipv4))
+ (if ipv4 4
+ (if ipv6 6
+ (throw 'endlessh-error
+ "bind-family must contain at least one value")))
+ 0)))
+ (mixed-text-file "endlessh.conf"
+ "# Generated by 'endlessh-config'.\n\n"
+ "Port " (number->string port) "\n"
+ "Delay " (number->string delay) "\n"
+ "MaxLineLength " (number->string length) "\n"
+ "MaxClients " (number->string max-clients) "\n"
+ "LogLevel " (number->string log-level) "\n"
+ "BindFamily " (number->string bind) "\n")))
+
+(define (endlessh-shepherd-service config)
+ (shepherd-service
+ (documentation "Run endlessh tarpit server.")
+ (provision '(endlessh))
+ (start #~(make-forkexec-constructor
+ (list #$(file-append endlessh "/bin/endlessh")
+ "-f" #$(endlessh-config->conf config))))
+ (stop #~(make-kill-destructor))))
+
+(define endlessh-service-type
+ (service-type
+ (name 'endlessh)
+ (description "Run endlessh tarpit server.")
+ (extensions
+ (list (service-extension shepherd-root-service-type
+ (compose list endlessh-shepherd-service))))
+ (default-value (endlessh-configuration))))
+
+
;;;
;;; WebSSH
--
2.30.0
guix-patches@HIDDEN:bug#39136; Package guix-patches.
Full text available.Received: (at 39136) by debbugs.gnu.org; 25 Jul 2020 20:08:55 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Sat Jul 25 16:08:55 2020 Received: from localhost ([127.0.0.1]:51223 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1jzQTX-0002Is-6K for submit <at> debbugs.gnu.org; Sat, 25 Jul 2020 16:08:55 -0400 Received: from mail-lj1-f169.google.com ([209.85.208.169]:35362) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <go.wigust@HIDDEN>) id 1jzQTV-0002IX-Pw for 39136 <at> debbugs.gnu.org; Sat, 25 Jul 2020 16:08:54 -0400 Received: by mail-lj1-f169.google.com with SMTP id q4so13337927lji.2 for <39136 <at> debbugs.gnu.org>; Sat, 25 Jul 2020 13:08:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :user-agent:mime-version; bh=YlsGf/6tUQEbCjhz+rRJY6MsIxTjTcrGPc8aDV9CTVo=; b=V4TqgogwNu5maVvz/ohf6IwclaBDiEbGdgwWN5AEWc/a6u67ul+XrcOe32F6Vs6wdO 31uMQ1AJmiqEhR27yA3XhIUPGpVtKJot78mvq/pVkAbaZ489Sz/+UnRfW58C/5E4U64E m9yyZSJyyhtlqkrfBsFE8Vv3YvI+d7kSX5KYNAdI5KHxrcy1IW8g9RUF6MteWE+O63AC ODkl7GLx5PLgi7HmLl7u/dZUo1ztM9rplp9s9P4fY9EKKcVC9FA4yTQg6SoHdhdiTz4o 9PYp+RGEjMXk6iUa4OH1UwnluZ1R0hOpYiLNwAnL0zuzi5Rv49am1VfHWF5VIGGgvuHQ Uv/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:date:in-reply-to :message-id:user-agent:mime-version; bh=YlsGf/6tUQEbCjhz+rRJY6MsIxTjTcrGPc8aDV9CTVo=; b=YfIk5YBPaEaXtWtSF9EVjy+5Vye0pJaNTLTAn3D6sFVQTcUAOK2lnQqLEcUyenGcsk cdeNfaH26npNJt38v40Nzz2PLjshO8NqYALPrcN1y8b2fRGXTzoFgeLLasIRIejtIP1S d8RYo1at3C+d5KLXnIiQg0UEzXsgMDF0ztsftuohFE6ncQgpj6owiQVNvy0XDV2C+PmG 4U6TiVHuDr53nQ6Uu0r8uT6Yrz83GhUyLyWpgbfmC9EFVPRvxNYZP3SIYHa5Cead0VBs 4ZaunJ3oVulb/vyU1VgQtYW+OxUcB6w0uY7V0TiRxHyOwDKNjzTd+eJkjBfb11R+LFEA VE8w== X-Gm-Message-State: AOAM533rjCB5KPodzroSFOVrm8BZhVPu1VItp4M+a9f/4GWzUYqA/c65 DECEM0ul8zbvDnJ0e0SbOgoobohw X-Google-Smtp-Source: ABdhPJwl+rNSZErxLfj3AEUSaLAy0fNA80ySiloRVY7hohLJJTrBeGgmb/lUcVhxE9SVBJGkWZDj+g== X-Received: by 2002:a05:651c:1134:: with SMTP id e20mr2066962ljo.40.1595707727552; Sat, 25 Jul 2020 13:08:47 -0700 (PDT) Received: from guixsd (ppp91-122-98-213.pppoe.avangarddsl.ru. [91.122.98.213]) by smtp.gmail.com with ESMTPSA id m26sm211705ljc.129.2020.07.25.13.08.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 25 Jul 2020 13:08:46 -0700 (PDT) From: Oleg Pykhalov <go.wigust@HIDDEN> To: anothersms@HIDDEN (=?utf-8?Q?Nicol=C3=B2?= Balzarotti) Subject: Re: [bug#39136] [PATCH] gnu: services: Add endlessh. References: <874kwx91k6.fsf@HIDDEN> Date: Sat, 25 Jul 2020 23:08:44 +0300 In-Reply-To: <874kwx91k6.fsf@HIDDEN> (=?utf-8?Q?=22Nicol=C3=B2?= Balzarotti"'s message of "Tue, 14 Jan 2020 22:21:29 +0100") Message-ID: <87365fl5mb.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.3 (gnu/linux) MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-Spam-Score: 1.0 (+) X-Debbugs-Envelope-To: 39136 Cc: 39136 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -1.0 (-) --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi, That patch was forgotten for some reason, but we still have a succeeded to build =E2=80=98endlessh=E2=80=99 package which missing a service! :-) anothersms@HIDDEN (Nicol=C3=B2 Balzarotti) writes: > This is my first service :) I know I still miss documentation and tests, > but before diving into it I wanted a general feedback on it (so that if > we decide to change something I don't have to adjust the docs and the > tests twice). Tests are appreciated ;-) > Endlessh is already in the repo, but for those who don't know: it's a > fake ssh server; it should be used to prevent bruteforce attacks and the > like by "freezing" the connection on the standard port (while the real > ssh server is on another non-standard port). So, I don't know if as > default port should be 22 or, as it is now, 2222 (program's default). 2222 is OK. But we need this be documented in =E2=80=98doc/guix.texi=E2=80= =99. Could you take a look on this, please? > My second doubt is regarding the place; it's an ssh server, but its main > purpose is for security? Maybe should go under admin.scm? I'm not sure I think gnu/services/ssh.scm is good. [=E2=80=A6] > +(define-record-type* <endlessh-configuration> > + endlessh-configuration make-endlessh-configuration > + endlessh-configuration? > + ;; list of two symbols, allowed values are ipv4, ipv6 or both > + (bind-family endlessh-configuration-bind-family (default '(ipv4 ipv6))) Please, move =E2=80=98(default =E2=80=A6)=E2=80=99 things on a separate lin= e. [=E2=80=A6] Otherwise LGTM. Could you send an update with a documented service? Thanks, Oleg. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEcjhxI46s62NFSFhXFn+OpQAa+pwFAl8ckUwACgkQFn+OpQAa +px84Q//cThaNKqntgDxuutVSS1XIFeUFFgpcWmUHtJOnvz+9PxQ1gZDzJY5R9xO GHERkNjoZopFfrt59owcIoBmnickxUembFYKQjssZscedr9prbX6oGjYgN5znKpk xN2lAcS11XsKMecv+M5UJvGvRGsXHcFQJl7nafyyIhlF3qbQmcgUO5r1PfjPSgrU uK8AyEvbdgYYQbvZTrboFPBn/frj+mIQ8HdXwaBtBBHuR8AcYderFCfD9fabWB8G Tb4Qh3dpF3W2FhY8x8FpYxEsZA4RR8YoHAHX8TLcqtRb/7IVscYb78L+TUEs53bs yb2o6RGpTsmRl7Muiw6Q4gGn7fdM9v28lgddILD6OB5dLImlP72YT9V6sTQ/Wev6 WFikCwH5ulrvhREP+cbYQPwV9XxgUj0EuXvd+Ya77ggG6x3Y6WnGRxEwL9Haykqi +HuRkj0k5GB5kWxjpNtmMd6QRV58SXRr7Zq5jrJvbPU+4Xa7joeLUOeKjmJ7PeXN SmGVgmiIKmflxGFI0DrXBP6e88XLwJkRKbeej+t8AlUffe5LXBH0ZS2+I6yhdDtr +uDTPIR2r7RL45CHeyO9E16umSXhyZU0RjhXVQ+lg83wjZgBajU3R4bmNYQQK85P 6ZZjZ6uLaHTSfkzGnD8t3GIusFzbEk11XD/QviSZC2j38pK5SOg= =XbGN -----END PGP SIGNATURE----- --=-=-=--
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From: anothersms@HIDDEN (=?utf-8?Q?Nicol=C3=B2?= Balzarotti)
To: guix-patches@HIDDEN
Subject: [PATCH] gnu: services: Add endlessh.
Date: Tue, 14 Jan 2020 22:21:29 +0100
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Content preview: Hello guix! This is my first service :) I know I still miss
documentation and tests, but before diving into it I wanted a general feedback
on it (so that if we decide to change something I don't have to adjust th
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--=-=-=
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Hello guix!
This is my first service :) I know I still miss documentation and tests,
but before diving into it I wanted a general feedback on it (so that if
we decide to change something I don't have to adjust the docs and the
tests twice).
Endlessh is already in the repo, but for those who don't know: it's a
fake ssh server; it should be used to prevent bruteforce attacks and the
like by "freezing" the connection on the standard port (while the real
ssh server is on another non-standard port). So, I don't know if as
default port should be 22 or, as it is now, 2222 (program's default).
My second doubt is regarding the place; it's an ssh server, but its main
purpose is for security? Maybe should go under admin.scm? I'm not sure
Last thing: bind-family as a list of allowed values is a suggetion from
IRC @leoprikler. Thanks for your help there!
Waiting for your feedback,
Nicol=C3=B2
--=-=-=
Content-Type: text/x-patch
Content-Disposition: attachment;
filename=0001-gnu-services-Add-endlessh.patch
From 63f975ec47de8ab951beaac6781327faf06d0cac Mon Sep 17 00:00:00 2001
From: nixo <nicolo@HIDDEN>
Date: Tue, 14 Jan 2020 22:08:15 +0100
Subject: [PATCH] gnu: services: Add endlessh.
* gnu/services/ssh.scm (endlessh): New variable.
---
gnu/services/ssh.scm | 74 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 73 insertions(+), 1 deletion(-)
diff --git a/gnu/services/ssh.scm b/gnu/services/ssh.scm
index d2dbb8f80d..d2729fb059 100644
--- a/gnu/services/ssh.scm
+++ b/gnu/services/ssh.scm
@@ -45,7 +45,11 @@
dropbear-configuration
dropbear-configuration?
dropbear-service-type
- dropbear-service))
+ dropbear-service
+
+ endlessh-configuration
+ endlessh-configuration?
+ endlessh-service-type))
;;; Commentary:
;;;
@@ -628,4 +632,72 @@ daemon} with the given @var{config}, a @code{<dropbear-configuration>}
object."
(service dropbear-service-type config))
+
+;;;
+;;; Endlessh.
+;;;
+
+(define-record-type* <endlessh-configuration>
+ endlessh-configuration make-endlessh-configuration
+ endlessh-configuration?
+ ;; list of two symbols, allowed values are ipv4, ipv6 or both
+ (bind-family endlessh-configuration-bind-family (default '(ipv4 ipv6)))
+ ;; integer
+ (delay endlessh-configuration-delay (default 10000))
+ ;; integer
+ ;; Must be in the range
+ (length endlessh-configuration-length (default 32))
+ ;; integer
+ (max-clients endlessh-configuration-max-clients (default 4096))
+ ;; integer
+ (port-number endlessh-configuration-port-number (default 2222))
+ ;; integer
+ ;; Allowed values are 0, 1 and 2
+ (log-level endlessh-configuration-log-level (default 0)))
+
+(define (endlessh-config->conf config)
+ "Convert the CONFIG of type <endlessh-config> to a config file."
+ (let* ((family (endlessh-configuration-bind-family config))
+ (ipv4 (member 'ipv4 family))
+ (ipv6 (member 'ipv6 family))
+ (port (endlessh-configuration-port-number config))
+ (delay (endlessh-configuration-delay config))
+ (length (endlessh-configuration-length config))
+ (log-level (endlessh-configuration-log-level config))
+ (max-clients (endlessh-configuration-max-clients config))
+ (bind
+ ;; check if both are true (0), or only one of them is present
+ (if (not (and (equal? ipv4 ipv6) ipv4))
+ (if ipv4 4
+ (if ipv6 6
+ (throw 'endlessh-error
+ "bind-family must contain at least one value")))
+ 0)))
+ (mixed-text-file "endlessh.conf"
+ "# Generated by 'endlessh-config'.\n\n"
+ "Port " (number->string port) "\n"
+ "Delay " (number->string delay) "\n"
+ "MaxLineLength " (number->string length) "\n"
+ "MaxClients " (number->string max-clients) "\n"
+ "LogLevel " (number->string log-level) "\n"
+ "BindFamily " (number->string bind) "\n")))
+
+(define (endlessh-shepherd-service config)
+ (shepherd-service
+ (documentation "Run endlessh tarpit server.")
+ (provision '(endlessh))
+ (start #~(make-forkexec-constructor
+ (list #$(file-append endlessh "/bin/endlessh")
+ "-f" #$(endlessh-config->conf config))))
+ (stop #~(make-kill-destructor))))
+
+(define endlessh-service-type
+ (service-type
+ (name 'endlessh)
+ (description "Run endlessh tarpit server.")
+ (extensions
+ (list (service-extension shepherd-root-service-type
+ (compose list endlessh-shepherd-service))))
+ (default-value (endlessh-configuration))))
+
;;; ssh.scm ends here
--
2.24.1
--=-=-=--
anothersms@HIDDEN (Nicolò Balzarotti):guix-patches@HIDDEN.
Full text available.guix-patches@HIDDEN:bug#39136; Package guix-patches.
Full text available.
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Copyright (C) 1999 Darren O. Benham,
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1994-97 Ian Jackson.