;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2014, 2015, 2016, 2017, 2018, 2019 Ludovic Courtès ;;; Copyright © 2016 David Craven ;;; Copyright © 2016 Julien Lepiller ;;; Copyright © 2017 Clément Lassieur ;;; Copyright © 2019 Ricardo Wurmus ;;; Copyright © 2020 pinoaffe ;;; Copyright © 2020 Oleg Pykhalov ;;; ;;; This file is part of GNU Guix. ;;; ;;; GNU Guix 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 3 of the License, or (at ;;; your option) any later version. ;;; ;;; GNU Guix 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 GNU Guix. If not, see . (define-module (gnu services ssh) #:use-module (gnu packages ssh) #:use-module (gnu packages admin) #:use-module (gnu services) #:use-module (gnu services shepherd) #:use-module (gnu services web) #:use-module (gnu system pam) #:use-module (gnu system shadow) #:use-module (guix gexp) #:use-module (guix records) #:use-module (guix modules) #:use-module (srfi srfi-1) #:use-module (srfi srfi-26) #:use-module (ice-9 match) #:export (lsh-configuration lsh-configuration? lsh-service lsh-service-type openssh-configuration openssh-configuration? openssh-service-type dropbear-configuration dropbear-configuration? dropbear-service-type dropbear-service autossh-configuration autossh-configuration? autossh-service-type webssh-configuration webssh-configuration? webssh-service-type %webssh-configuration-nginx)) ;;; Commentary: ;;; ;;; This module implements secure shell (SSH) services. ;;; ;;; Code: (define-record-type* lsh-configuration make-lsh-configuration lsh-
generated by cgit
ot-login?) (syslog-output? lsh-configuration-syslog-output?) (pid-file? lsh-configuration-pid-file?) (pid-file lsh-configuration-pid-file) (x11-forwarding? lsh-configuration-x11-forwarding?) (tcp/ip-forwarding? lsh-configuration-tcp/ip-forwarding?) (password-authentication? lsh-configuration-password-authentication?) (public-key-authentication? lsh-configuration-public-key-authentication?) (initialize? lsh-configuration-initialize?)) (define %yarrow-seed "/var/spool/lsh/yarrow-seed-file") (define (lsh-initialization lsh host-key) "Return the gexp to initialize the LSH service for HOST-KEY." #~(begin (unless (file-exists? #$%yarrow-seed) (system* (string-append #$lsh "/bin/lsh-make-seed") "--sloppy" "-o" #$%yarrow-seed)) (unless (file-exists? #$host-key) (mkdir-p (dirname #$host-key)) (format #t "creating SSH host key '~a'...~%" #$host-key) ;; FIXME: We're just doing a simple pipeline, but 'system' cannot be ;; used yet because /bin/sh might be dangling; factorize this somehow. (let* ((in+out (pipe)) (keygen (primitive-fork))) (case keygen ((0) (close-port (car in+out)) (close-fdes 1) (dup2 (fileno (cdr in+out)) 1) (execl (string-append #$lsh "/bin/lsh-keygen") "lsh-keygen" "--server")) (else (let ((write-key (primitive-fork))) (case write-key ((0) (close-port (cdr in+out)) (close-fdes 0) (dup2 (fileno (car in+out)) 0) (execl (string-append #$lsh "/bin/lsh-writekey") "lsh-writekey" "--server" "-o" #$host-key)) (else (close-port (car in+out)) (close-port (cdr in+out)) (waitpid keygen) (waitpid write-key)))))))))) (define (lsh-activation config) "Return the activation gexp for CONFIG." #~(begin (use-modules (guix build utils)) (mkdir-p "/var/spool/lsh") #$(if (lsh-configuration-initialize? config) (lsh-initialization (lsh-configuration-lsh config) (lsh-configuration-host-key config)) #t))) (define (lsh-shepherd-service config) "Return a for lsh with CONFIG." (define lsh (lsh-configuration-lsh config)) (define pid-file (lsh-configuration-pid-file config)) (define pid-file? (lsh-configuration-pid-file? config)) (define daemonic? (lsh-configuration-daemonic? config)) (define interfaces (lsh-configuration-interfaces config)) (define lsh-command (append (cons (file-append lsh "/sbin/lshd") (if daemonic? (let ((syslog (if (lsh-configuration-syslog-output? config) '() (list "--no-syslog")))) (cons "--daemonic" (if pid-file? (cons #~(string-append "--pid-file=" #$pid-file) syslog) (cons "--no-pid-file" syslog)))) (if pid-file? (list #~(string-append "--pid-file=" #$pid-file)) '()))) (cons* #~(string-append "--host-key=" #$(lsh-configuration-host-key config)) #~(string-append "--password-helper=" #$lsh "/sbin/lsh-pam-checkpw") #~(string-append "--subsystems=sftp=" #$lsh "/sbin/sftp-server") "-p" (number->string (lsh-configuration-port-number config)) (if (lsh-configuration-password-authentication? config) "--password" "--no-password") (if (lsh-configuration-public-key-authentication? config) "--publickey" "--no-publickey") (if (lsh-configuration-root-login? config) "--root-login" "--no-root-login") (if (lsh-configuration-x11-forwarding? config) "--x11-forward" "--no-x11-forward") (if (lsh-configuration-tcp/ip-forwarding? config) "--tcpip-forward" "--no-tcpip-forward") (if (null? interfaces) '() (map (cut string-append "--interface=" <>) interfaces))))) (define requires (if (and daemonic? (lsh-configuration-syslog-output? config)) '(networking syslogd) '(networking))) (list (shepherd-service (documentation "GNU lsh SSH server") (provision '(ssh-daemon ssh sshd)) (requirement requires) (start #~(make-forkexec-constructor (list #$@lsh-command))) (stop #~(make-kill-destructor))))) (define (lsh-pam-services config) "Return a list of for lshd with CONFIG." (list (unix-pam-service "lshd" #:login-uid? #t #:allow-empty-passwords? (lsh-configuration-allow-empty-passwords? config)))) (define lsh-service-type (service-type (name 'lsh) (description "Run the GNU@tie{}lsh secure shell (SSH) daemon, @command{lshd}.") (extensions (list (service-extension shepherd-root-service-type lsh-shepherd-service) (service-extension pam-root-service-type lsh-pam-services) (service-extension activation-service-type lsh-activation))))) (define* (lsh-service #:key (lsh lsh) (daemonic? #t) (host-key "/etc/lsh/host-key") (interfaces '()) (port-number 22) (allow-empty-passwords? #f) (root-login? #f) (syslog-output? #t) (pid-file? #f) (pid-file "/var/run/lshd.pid") (x11-forwarding? #t) (tcp/ip-forwarding? #t) (password-authentication? #t) (public-key-authentication? #t) (initialize? #t)) "Run the @command{lshd} program from @var{lsh} to listen on port @var{port-number}. @var{host-key} must designate a file containing the host key, and readable only by root. When @var{daemonic?} is true, @command{lshd} will detach from the controlling terminal and log its output to syslogd, unless one sets @var{syslog-output?} to false. Obviously, it also makes lsh-service depend on existence of syslogd service. When @var{pid-file?} is true, @command{lshd} writes its PID to the file called @var{pid-file}. When @var{initialize?} is true, automatically create the seed and host key upon service activation if they do not exist yet. This may take long and require interaction. When @var{initialize?} is false, it is up to the user to initialize the randomness generator (@pxref{lsh-make-seed,,, lsh, LSH Manual}), and to create a key pair with the private key stored in file @var{host-key} (@pxref{lshd basics,,, lsh, LSH Manual}). When @var{interfaces} is empty, lshd listens for connections on all the network interfaces; otherwise, @var{interfaces} must be a list of host names or addresses. @var{allow-empty-passwords?} specifies whether to accept log-ins with empty passwords, and @var{root-login?} specifies whether to accept log-ins as root. The other options should be self-descriptive." (service lsh-service-type (lsh-configuration (lsh lsh) (daemonic? daemonic?) (host-key host-key) (interfaces interfaces) (port-number port-number) (allow-empty-passwords? allow-empty-passwords?) (root-login? root-login?) (syslog-output? syslog-output?) (pid-file? pid-file?) (pid-file pid-file) (x11-forwarding? x11-forwarding?) (tcp/ip-forwarding? tcp/ip-forwarding?) (password-authentication? password-authentication?) (public-key-authentication? public-key-authentication?) (initialize? initialize?)))) ;;; ;;; OpenSSH. ;;; (define-record-type* openssh-configuration make-openssh-configuration openssh-configuration? ;; (openssh openssh-configuration-openssh (default openssh)) ;; string (pid-file openssh-configuration-pid-file (default "/var/run/sshd.pid")) ;; integer (port-number openssh-configuration-port-number (default 22)) ;; Boolean | 'without-password (permit-root-login openssh-configuration-permit-root-login (default #f)) ;; Boolean (allow-empty-passwords? openssh-configuration-allow-empty-passwords? (default #f)) ;; Boolean (password-authentication? openssh-configuration-password-authentication? (default #t)) ;; Boolean (public-key-authentication? openssh-configuration-public-key-authentication? (default #t)) ;; Boolean (x11-forwarding? openssh-configuration-x11-forwarding? (default #f)) ;; Boolean (allow-agent-forwarding? openssh-configuration-allow-agent-forwarding? (default #t)) ;; Boolean (allow-tcp-forwarding? openssh-configuration-allow-tcp-forwarding? (default #t)) ;; Boolean (gateway-ports? openssh-configuration-gateway-ports? (default #f)) ;; Boolean (challenge-response-authentication? openssh-challenge-response-authentication? (default #f)) ;; Boolean (use-pam? openssh-configuration-use-pam? (default #t)) ;; Boolean (print-last-log? openssh-configuration-print-last-log? (default #t)) ;; list of two-element lists (subsystems openssh-configuration-subsystems (default '(("sftp" "internal-sftp")))) ;; list of strings (accepted-environment openssh-configuration-accepted-environment (default '())) ;; symbol (log-level openssh-configuration-log-level (default 'info)) ;; String ;; This is an "escape hatch" to provide configuration that isn't yet ;; supported by this configuration record. (extra-content openssh-configuration-extra-content (default "")) ;; list of user-name/file-like tuples (authorized-keys openssh-authorized-keys (default '())) ;; Boolean ;; XXX: This should really be handled in an orthogonal way, for instance as ;; proposed in . Keep it internal/undocumented ;; for now. (%auto-start? openssh-auto-start? (default #t))) (define %openssh-accounts (list (user-group (name "sshd") (system? #t)) (user-account (name "sshd") (group "sshd") (system? #t) (comment "sshd privilege separation user") (home-directory "/var/run/sshd") (shell (file-append shadow "/sbin/nologin"))))) (define (openssh-activation config) "Return the activation GEXP for CONFIG." (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (define (touch file-name) (call-with-output-file file-name (const #t))) ;; Make sure /etc/ssh can be read by the 'sshd' user. (mkdir-p "/etc/ssh") (chmod "/etc/ssh" #o755) (mkdir-p (dirname #$(openssh-configuration-pid-file config))) ;; 'sshd' complains if the authorized-key directory and its parents ;; are group-writable, which rules out /gnu/store. Thus we copy the ;; authorized-key directory to /etc. (catch 'system-error (lambda () (delete-file-recursively "/etc/authorized_keys.d")) (lambda args (unless (= ENOENT (system-error-errno args)) (apply throw args)))) (copy-recursively #$(authorized-key-directory (openssh-authorized-keys config)) "/etc/ssh/authorized_keys.d") (chmod "/etc/ssh/authorized_keys.d" #o555) (let ((lastlog "/var/log/lastlog")) (when #$(openssh-configuration-print-last-log? config) (unless (file-exists? lastlog) (touch lastlog)))) ;; Generate missing host keys. (system* (string-append #$(openssh-configuration-openssh config) "/bin/ssh-keygen") "-A")))) (define (authorized-key-directory keys) "Return a directory containing the authorized keys specified in KEYS, a list of user-name/file-like tuples." (define build (with-imported-modules (source-module-closure '((guix build utils))) #~(begin (use-modules (ice-9 match) (srfi srfi-26) (guix build utils)) (mkdir #$output) (for-each (match-lambda ((user keys ...) (let ((file (string-append #$output "/" user))) (call-with-output-file file (lambda (port) (for-each (lambda (key) (call-with-input-file key (cut dump-port <> port))) keys)))))) '#$keys)))) (computed-file "openssh-authorized-keys" build)) (define (openssh-config-file config) "Return the sshd configuration file corresponding to CONFIG." (computed-file "sshd_config" #~(begin (use-modules (ice-9 match)) (call-with-output-file #$output (lambda (port) (display "# Generated by 'openssh-service'.\n" port) (format port "Port ~a\n" #$(number->string (openssh-configuration-port-number config))) (format port "PermitRootLogin ~a\n" #$(match (openssh-configuration-permit-root-login config) (#t "yes") (#f "no") ('without-password "without-password"))) (format port "PermitEmptyPasswords ~a\n" #$(if (openssh-configuration-allow-empty-passwords? config) "yes" "no")) (format port "PasswordAuthentication ~a\n" #$(if (openssh-configuration-password-authentication? config) "yes" "no")) (format port "PubkeyAuthentication ~a\n" #$(if (openssh-configuration-public-key-authentication? config) "yes" "no")) (format port "X11Forwarding ~a\n" #$(if (openssh-configuration-x11-forwarding? config) "yes" "no")) (format port "AllowAgentForwarding ~a\n" #$(if (openssh-configuration-allow-agent-forwarding? config) "yes" "no")) (format port "AllowTcpForwarding ~a\n" #$(if (openssh-configuration-allow-tcp-forwarding? config) "yes" "no")) (format port "GatewayPorts ~a\n" #$(if (openssh-configuration-gateway-ports? config) "yes" "no")) (format port "PidFile ~a\n" #$(openssh-configuration-pid-file config)) (format port "ChallengeResponseAuthentication ~a\n" #$(if (openssh-challenge-response-authentication? config) "yes" "no")) (format port "UsePAM ~a\n" #$(if (openssh-configuration-use-pam? config) "yes" "no")) (format port "PrintLastLog ~a\n" #$(if (openssh-configuration-print-last-log? config) "yes" "no")) (format port "LogLevel ~a\n" #$(string-upcase (symbol->string (openssh-configuration-log-level config)))) ;; Add '/etc/authorized_keys.d/%u', which we populate. (format port "AuthorizedKeysFile \ .ssh/authorized_keys .ssh/authorized_keys2 /etc/ssh/authorized_keys.d/%u\n") (for-each (lambda (s) (format port "AcceptEnv ~a\n" s)) '#$(openssh-configuration-accepted-environment config)) (for-each (match-lambda ((name command) (format port "Subsystem\t~a\t~a\n" name command))) '#$(openssh-configuration-subsystems config)) (format port "~a\n" #$(openssh-configuration-extra-content config)) #t))))) (define (openssh-shepherd-service config) "Return a for openssh with CONFIG." (define pid-file (openssh-configuration-pid-file config)) (define openssh-command #~(list (string-append #$(openssh-configuration-openssh config) "/sbin/sshd") "-D" "-f" #$(openssh-config-file config))) (list (shepherd-service (documentation "OpenSSH server.") (requirement '(syslogd loopback)) (provision '(ssh-daemon ssh sshd)) (start #~(make-forkexec-constructor #$openssh-command #:pid-file #$pid-file)) (stop #~(make-kill-destructor)) (auto-start? (openssh-auto-start? config))))) (define (openssh-pam-services config) "Return a list of for sshd with CONFIG." (list (unix-pam-service "sshd" #:login-uid? #t #:allow-empty-passwords? (openssh-configuration-allow-empty-passwords? config)))) (define (extend-openssh-authorized-keys config keys) "Extend CONFIG with the extra authorized keys listed in KEYS." (openssh-configuration (inherit config) (authorized-keys (append (openssh-authorized-keys config) keys)))) (define openssh-service-type (service-type (name 'openssh) (description "Run the OpenSSH secure shell (SSH) server, @command{sshd}.") (extensions (list (service-extension shepherd-root-service-type openssh-shepherd-service) (service-extension pam-root-service-type openssh-pam-services) (service-extension activation-service-type openssh-activation) (service-extension account-service-type (const %openssh-accounts)) ;; Install OpenSSH in the system profile. That way, ;; 'scp' is found when someone tries to copy to or from ;; this machine. (service-extension profile-service-type (lambda (config) (list (openssh-configuration-openssh config)))))) (compose concatenate) (extend extend-openssh-authorized-keys) (default-value (openssh-configuration)))) ;;; ;;; Dropbear. ;;; (define-record-type* dropbear-configuration make-dropbear-configuration dropbear-configuration? (dropbear dropbear-configuration-dropbear (default dropbear)) (port-number dropbear-configuration-port-number (default 22)) (syslog-output? dropbear-configuration-syslog-output? (default #t)) (pid-file dropbear-configuration-pid-file (default "/var/run/dropbear.pid")) (root-login? dropbear-configuration-root-login? (default #f)) (allow-empty-passwords? dropbear-configuration-allow-empty-passwords? (default #f)) (password-authentication? dropbear-configuration-password-authentication? (default #t))) (define (dropbear-activation config) "Return the activation gexp for CONFIG." #~(begin (use-modules (guix build utils)) (mkdir-p "/etc/dropbear"))) (define (dropbear-shepherd-service config) "Return a for dropbear with CONFIG." (define dropbear (dropbear-configuration-dropbear config)) (define pid-file (dropbear-configuration-pid-file config)) (define dropbear-command #~(list (string-append #$dropbear "/sbin/dropbear") ;; '-R' allows host keys to be automatically generated upon first ;; connection, at a time when /dev/urandom is more likely securely ;; seeded. "-F" "-R" "-p" #$(number->string (dropbear-configuration-port-number config)) "-P" #$pid-file #$@(if (dropbear-configuration-syslog-output? config) '() '("-E")) #$@(if (dropbear-configuration-root-login? config) '() '("-w")) #$@(if (dropbear-configuration-password-authentication? config) '() '("-s" "-g")) #$@(if (dropbear-configuration-allow-empty-passwords? config) '("-B") '()))) (define requires (if (dropbear-configuration-syslog-output? config) '(networking syslogd) '(networking))) (list (shepherd-service (documentation "Dropbear SSH server.") (requirement requires) (provision '(ssh-daemon ssh sshd)) (start #~(make-forkexec-constructor #$dropbear-command #:pid-file #$pid-file)) (stop #~(make-kill-destructor))))) (define dropbear-service-type (service-type (name 'dropbear) (description "Run the Dropbear secure shell (SSH) server.") (extensions (list (service-extension shepherd-root-service-type dropbear-shepherd-service) (service-extension activation-service-type dropbear-activation))) (default-value (dropbear-configuration)))) (define* (dropbear-service #:optional (config (dropbear-configuration))) "Run the @uref{https://matt.ucc.asn.au/dropbear/dropbear.html,Dropbear SSH daemon} with the given @var{config}, a @code{} object." (service dropbear-service-type config)) ;;; ;;; AutoSSH. ;;; (define-record-type* autossh-configuration make-autossh-configuration autossh-configuration? (user autossh-configuration-user (default "autossh")) (poll autossh-configuration-poll (default 600)) (first-poll autossh-configuration-first-poll (default #f)) (gate-time autossh-configuration-gate-time (default 30)) (log-level autossh-configuration-log-level (default 1)) (max-start autossh-configuration-max-start (default #f)) (message autossh-configuration-message (default "")) (port autossh-configuration-port (default "0")) (ssh-options autossh-configuration-ssh-options (default '()))) (define (autossh-file-name config file) "Return a path in /var/run/autossh/ that is writable by @code{user} from @code{config}." (string-append "/var/run/autossh/" (autossh-configuration-user config) "/" file)) (define (autossh-shepherd-service config) (shepherd-service (documentation "Automatically set up ssh connections (and keep them alive).") (provision '(autossh)) (start #~(make-forkexec-constructor (list #$(file-append autossh "/bin/autossh") #$@(autossh-configuration-ssh-options config)) #:user #$(autossh-configuration-user config) #:group (passwd:gid (getpw #$(autossh-configuration-user config))) #:pid-file #$(autossh-file-name config "pid") #:log-file #$(autossh-file-name config "log") #:environment-variables '(#$(string-append "AUTOSSH_PIDFILE=" (autossh-file-name config "pid")) #$(string-append "AUTOSSH_LOGFILE=" (autossh-file-name config "log")) #$(string-append "AUTOSSH_POLL=" (number->string (autossh-configuration-poll config))) #$(string-append "AUTOSSH_FIRST_POLL=" (number->string (or (autossh-configuration-first-poll config) (autossh-configuration-poll config)))) #$(string-append "AUTOSSH_GATETIME=" (number->string (autossh-configuration-gate-time config))) #$(string-append "AUTOSSH_LOGLEVEL=" (number->string (autossh-configuration-log-level config))) #$(string-append "AUTOSSH_MAXSTART=" (number->string (or (autossh-configuration-max-start config) -1))) #$(string-append "AUTOSSH_MESSAGE=" (autossh-configuration-message config)) #$(string-append "AUTOSSH_PORT=" (autossh-configuration-port config))))) (stop #~(make-kill-destructor)))) (define (autossh-service-activation config) (with-imported-modules '((guix build utils)) #~(begin (use-modules (guix build utils)) (define %user (getpw #$(autossh-configuration-user config))) (let* ((directory #$(autossh-file-name config "")) (log (string-append directory "/log"))) (mkdir-p directory) (chown directory (passwd:uid %user) (passwd:gid %user)) (call-with-output-file log (const #t)) (chown log (passwd:uid %user) (passwd:gid %user)))))) (define autossh-service-type (service-type (name 'autossh) (description "Automatically set up ssh connections (and keep them alive).") (extensions (list (service-extension shepherd-root-service-type (compose list autossh-shepherd-service)) (service-extension activation-service-type autossh-service-activation))) (default-value (autossh-configuration)))) ;;; ;;; WebSSH ;;; (define-record-type* webssh-configuration make-webssh-configuration webssh-configuration? (package webssh-configuration-package ;package (default webssh)) (user-name webssh-configuration-user-name ;string (default "webssh")) (group-name webssh-configuration-group-name ;string (default "webssh")) (policy webssh-configuration-policy ;symbol (default #f)) (known-hosts webssh-configuration-known-hosts ;list of strings (default #f)) (port webssh-configuration-port ;number (default #f)) (address webssh-configuration-address ;string (default #f)) (log-file webssh-configuration-log-file ;string (default "/var/log/webssh.log")) (log-level webssh-configuration-log-level ;symbol (default #f))) (define %webssh-configuration-nginx (nginx-server-configuration (listen '("80")) (locations (list (nginx-location-configuration (uri "/") (body '("proxy_pass http://127.0.0.1:8888;" "proxy_http_version 1.1;" "proxy_read_timeout 300;" "proxy_set_header Upgrade $http_upgrade;" "proxy_set_header Connection \"upgrade\";" "proxy_set_header Host $http_host;" "proxy_set_header X-Real-IP $remote_addr;" "proxy_set_header X-Real-PORT $remote_port;"))))))) (define webssh-account ;; Return the user accounts and user groups for CONFIG. (match-lambda (($ _ user-name group-name _ _ _ _ _ _) (list (user-group (name group-name)) (user-account (name user-name) (group group-name) (comment "webssh privilege separation user") (home-directory (string-append "/var/run/" user-name)) (shell #~(string-append #$shadow "/sbin/nologin"))))))) (define webssh-activation ;; Return the activation GEXP for CONFIG. (match-lambda (($ _ user-name group-name policy known-hosts _ _ log-file _) (with-imported-modules '((guix build utils)) #~(begin (let* ((home-dir (string-append "/var/run/" #$user-name)) (ssh-dir (string-append home-dir "/.ssh")) (known-hosts-file (string-append ssh-dir "/known_hosts"))) (call-with-output-file #$log-file (const #t)) (mkdir-p ssh-dir) (case '#$policy ((reject) (if '#$known-hosts (call-with-output-file known-hosts-file (lambda (port) (for-each (lambda (host) (display host port) (newline port)) '#$known-hosts))) (display-hint (G_ "webssh: reject policy requires `known-hosts'."))))) (for-each (lambda (file) (chown file (passwd:uid (getpw #$user-name)) (group:gid (getpw #$group-name)))) (list #$log-file ssh-dir known-hosts-file)) (chmod ssh-dir #o700))))))) (define webssh-shepherd-service (match-lambda (($ package user-name group-name policy _ port address log-file log-level) (list (shepherd-service (provision '(webssh)) (documentation "Run webssh daemon.") (start #~(make-forkexec-constructor `(,(string-append #$webssh "/bin/wssh") ,(string-append "--log-file-prefix=" #$log-file) ,@(case '#$log-level ((debug) '("--logging=debug")) (else '())) ,@(case '#$policy ((reject) '("--policy=reject")) (else '())) ,@(if #$port (list (string-append "--port=" (number->string #$port))) '()) ,@(if #$address (list (string-append "--address=" #$address)) '())) #:user #$user-name #:group #$group-name)) (stop #~(make-kill-destructor))))))) (define webssh-service-type (service-type (name 'webssh) (extensions (list (service-extension shepherd-root-service-type webssh-shepherd-service) (service-extension account-service-type webssh-account) (service-extension activation-service-type webssh-activation))) (default-value (webssh-configuration)) (description "Run the webssh."))) ;;; ssh.scm ends here