diff options
Diffstat (limited to 'gnu/services/mail.scm')
| -rw-r--r-- | gnu/services/mail.scm | 265 |
1 files changed, 96 insertions, 169 deletions
diff --git a/gnu/services/mail.scm b/gnu/services/mail.scm index cb0f119f43..c1381405d8 100644 --- a/gnu/services/mail.scm +++ b/gnu/services/mail.scm @@ -21,6 +21,7 @@ (define-module (gnu services mail) #:use-module (gnu services) #:use-module (gnu services base) + #:use-module (gnu services configuration) #:use-module (gnu services shepherd) #:use-module (gnu system pam) #:use-module (gnu system shadow) @@ -30,13 +31,8 @@ #:use-module (guix records) #:use-module (guix packages) #:use-module (guix gexp) - #:use-module (srfi srfi-34) - #:use-module (srfi srfi-35) #:use-module (ice-9 match) - #:export (&dovecot-configuation-error - dovecot-configuration-error? - - dovecot-service + #:export (dovecot-service dovecot-service-type dovecot-configuration opaque-dovecot-configuration @@ -51,7 +47,12 @@ protocol-configuration plugin-configuration mailbox-configuration - namespace-configuration)) + namespace-configuration + + opensmtpd-configuration + opensmtpd-configuration? + opensmtpd-service-type + %default-opensmtpd-config-file)) ;;; Commentary: ;;; @@ -60,112 +61,6 @@ ;;; ;;; Code: -(define-condition-type &dovecot-configuration-error &error - dovecot-configuration-error?) - -(define (dovecot-error message) - (raise (condition (&message (message message)) - (&dovecot-configuration-error)))) -(define (dovecot-configuration-field-error field val) - (dovecot-error - (format #f "Invalid value for field ~a: ~s" field val))) -(define (dovecot-configuration-missing-field kind field) - (dovecot-error - (format #f "~a configuration missing required field ~a" kind field))) - -(define-record-type* <configuration-field> - configuration-field make-configuration-field configuration-field? - (name configuration-field-name) - (type configuration-field-type) - (getter configuration-field-getter) - (predicate configuration-field-predicate) - (serializer configuration-field-serializer) - (default-value-thunk configuration-field-default-value-thunk) - (documentation configuration-field-documentation)) - -(define-syntax define-configuration - (lambda (stx) - (define (id ctx part . parts) - (let ((part (syntax->datum part))) - (datum->syntax - ctx - (match parts - (() part) - (parts (symbol-append part - (syntax->datum (apply id ctx parts)))))))) - (syntax-case stx () - ((_ stem (field (field-type def) doc) ...) - (with-syntax (((field-getter ...) - (map (lambda (field) - (id #'stem #'stem #'- field)) - #'(field ...))) - ((field-predicate ...) - (map (lambda (type) - (id #'stem type #'?)) - #'(field-type ...))) - ((field-serializer ...) - (map (lambda (type) - (id #'stem #'serialize- type)) - #'(field-type ...)))) - #`(begin - (define-record-type* #,(id #'stem #'< #'stem #'>) - stem #,(id #'stem #'make- #'stem) #,(id #'stem #'stem #'?) - (field field-getter (default def)) - ...) - (define #,(id #'stem #'stem #'-fields) - (list (configuration-field - (name 'field) - (type 'field-type) - (getter field-getter) - (predicate field-predicate) - (serializer field-serializer) - (default-value-thunk (lambda () def)) - (documentation doc)) - ...)))))))) - -(define (serialize-configuration config fields) - (for-each (lambda (field) - ((configuration-field-serializer field) - (configuration-field-name field) - ((configuration-field-getter field) config))) - fields)) - -(define (validate-configuration config fields) - (for-each (lambda (field) - (let ((val ((configuration-field-getter field) config))) - (unless ((configuration-field-predicate field) val) - (dovecot-configuration-field-error - (configuration-field-name field) val)))) - fields)) - -(define (validate-package field-name package) - (unless (package? package) - (dovecot-configuration-field-error field-name package))) - -(define (uglify-field-name field-name) - (let ((str (symbol->string field-name))) - (string-join (string-split (if (string-suffix? "?" str) - (substring str 0 (1- (string-length str))) - str) - #\-) - "_"))) - -(define (serialize-package field-name val) - #f) - -(define (serialize-field field-name val) - (format #t "~a=~a\n" (uglify-field-name field-name) val)) - -(define (serialize-string field-name val) - (serialize-field field-name val)) - -(define (space-separated-string-list? val) - (and (list? val) - (and-map (lambda (x) - (and (string? x) (not (string-index x #\space)))) - val))) -(define (serialize-space-separated-string-list field-name val) - (serialize-field field-name (string-join val " "))) (define (comma-separated-string-list? val) (and (list? val) @@ -175,12 +70,6 @@ (define (serialize-comma-separated-string-list field-name val) (serialize-field field-name (string-join val ","))) -(define (file-name? val) - (and (string? val) - (string-prefix? "/" val))) -(define (serialize-file-name field-name val) - (serialize-string field-name val)) - (define (colon-separated-file-name-list? val) (and (list? val) ;; Trailing slashes not needed and not @@ -188,9 +77,6 @@ (define (serialize-colon-separated-file-name-list field-name val) (serialize-field field-name (string-join val ":"))) -(define (serialize-boolean field-name val) - (serialize-string field-name (if val "yes" "no"))) - (define (non-negative-integer? val) (and (exact-integer? val) (not (negative? val)))) (define (serialize-non-negative-integer field-name val) @@ -271,7 +157,7 @@ (define-configuration unix-listener-configuration (path - (file-name (dovecot-configuration-missing-field 'unix-listener 'path)) + (file-name (configuration-missing-field 'unix-listener 'path)) "The file name on which to listen.") (mode (string "0600") @@ -290,7 +176,7 @@ (define-configuration fifo-listener-configuration (path - (file-name (dovecot-configuration-missing-field 'fifo-listener 'path)) + (file-name (configuration-missing-field 'fifo-listener 'path)) "The file name on which to listen.") (mode (string "0600") @@ -309,14 +195,14 @@ (define-configuration inet-listener-configuration (protocol - (string (dovecot-configuration-missing-field 'inet-listener 'protocol)) + (string (configuration-missing-field 'inet-listener 'protocol)) "The protocol to listen for.") (address (string "") "The address on which to listen, or empty for all addresses.") (port (non-negative-integer - (dovecot-configuration-missing-field 'inet-listener 'port)) + (configuration-missing-field 'inet-listener 'port)) "The port on which to listen.") (ssl? (boolean #t) @@ -340,7 +226,7 @@ (serialize-fifo-listener-configuration field-name val)) ((inet-listener-configuration? val) (serialize-inet-listener-configuration field-name val)) - (else (dovecot-configuration-field-error field-name val)))) + (else (configuration-field-error field-name val)))) (define (listener-configuration-list? val) (and (list? val) (and-map listener-configuration? val))) (define (serialize-listener-configuration-list field-name val) @@ -350,7 +236,7 @@ (define-configuration service-configuration (kind - (string (dovecot-configuration-missing-field 'service 'kind)) + (string (configuration-missing-field 'service 'kind)) "The service kind. Valid values include @code{director}, @code{imap-login}, @code{pop3-login}, @code{lmtp}, @code{imap}, @code{pop3}, @code{auth}, @code{auth-worker}, @code{dict}, @@ -388,7 +274,7 @@ this.")) (define-configuration protocol-configuration (name - (string (dovecot-configuration-missing-field 'protocol 'name)) + (string (configuration-missing-field 'protocol 'name)) "The name of the protocol.") (auth-socket-path (string "/var/run/dovecot/auth-userdb") @@ -1492,8 +1378,8 @@ greyed out, instead of only later giving \"not selectable\" popup error. "The dovecot package.") (string - (string (dovecot-configuration-missing-field 'opaque-dovecot-configuration - 'string)) + (string (configuration-missing-field 'opaque-dovecot-configuration + 'string)) "The contents of the @code{dovecot.conf} to use.")) (define %dovecot-accounts @@ -1629,8 +1515,8 @@ by @code{dovecot-configuration}. @var{config} may also be created by (service dovecot-service-type config)) ;; A little helper to make it easier to document all those fields. -(define (generate-documentation) - (define documentation +(define (generate-dovecot-documentation) + (generate-documentation `((dovecot-configuration ,dovecot-configuration-fields (dict dict-configuration) @@ -1655,39 +1541,80 @@ by @code{dovecot-configuration}. @var{config} may also be created by ,service-configuration-fields (listeners unix-listener-configuration fifo-listener-configuration inet-listener-configuration)) - (protocol-configuration ,protocol-configuration-fields))) - (define (generate configuration-name) - (match (assq-ref documentation configuration-name) - ((fields . sub-documentation) - (format #t "\nAvailable @code{~a} fields are:\n\n" configuration-name) - (for-each - (lambda (f) - (let ((field-name (configuration-field-name f)) - (field-type (configuration-field-type f)) - (field-docs (string-trim-both - (configuration-field-documentation f))) - (default (catch #t - (configuration-field-default-value-thunk f) - (lambda _ 'nope)))) - (define (escape-chars str chars escape) - (with-output-to-string - (lambda () - (string-for-each (lambda (c) - (when (char-set-contains? chars c) - (display escape)) - (display c)) - str)))) - (define (show-default? val) - (or (string? default) (number? default) (boolean? default) - (and (list? val) (and-map show-default? val)))) - (format #t "@deftypevr {@code{~a} parameter} ~a ~a\n~a\n" - configuration-name field-type field-name field-docs) - (when (show-default? default) - (format #t "Defaults to @samp{~a}.\n" - (escape-chars (format #f "~s" default) - (char-set #\@ #\{ #\}) - #\@))) - (for-each generate (or (assq-ref sub-documentation field-name) '())) - (format #t "@end deftypevr\n\n"))) - fields)))) - (generate 'dovecot-configuration)) + (protocol-configuration ,protocol-configuration-fields)) + 'dovecot-configuration)) + + +;;; +;;; OpenSMTPD. +;;; + +(define-record-type* <opensmtpd-configuration> + opensmtpd-configuration make-opensmtpd-configuration + opensmtpd-configuration? + (package opensmtpd-configuration-package + (default opensmtpd)) + (config-file opensmtpd-configuration-config-file + (default %default-opensmtpd-config-file))) + +(define %default-opensmtpd-config-file + (plain-file "smtpd.conf" " +listen on lo +accept from any for local deliver to mbox +accept from local for any relay +")) + +(define opensmtpd-shepherd-service + (match-lambda + (($ <opensmtpd-configuration> package config-file) + (list (shepherd-service + (provision '(smtpd)) + (requirement '(loopback)) + (documentation "Run the OpenSMTPD daemon.") + (start (let ((smtpd (file-append package "/sbin/smtpd"))) + #~(make-forkexec-constructor + (list #$smtpd "-f" #$config-file) + #:pid-file "/var/run/smtpd.pid"))) + (stop #~(make-kill-destructor))))))) + +(define %opensmtpd-accounts + (list (user-group + (name "smtpq") + (system? #t)) + (user-account + (name "smtpd") + (group "nogroup") + (system? #t) + (comment "SMTP Daemon") + (home-directory "/var/empty") + (shell (file-append shadow "/sbin/nologin"))) + (user-account + (name "smtpq") + (group "smtpq") + (system? #t) + (comment "SMTPD Queue") + (home-directory "/var/empty") + (shell (file-append shadow "/sbin/nologin"))))) + +(define opensmtpd-activation + (match-lambda + (($ <opensmtpd-configuration> package config-file) + (let ((smtpd (file-append package "/sbin/smtpd"))) + #~(begin + ;; Create mbox and spool directories. + (mkdir-p "/var/mail") + (mkdir-p "/var/spool/smtpd") + (chmod "/var/spool/smtpd" #o711)))))) + +(define opensmtpd-service-type + (service-type + (name 'opensmtpd) + (extensions + (list (service-extension account-service-type + (const %opensmtpd-accounts)) + (service-extension activation-service-type + opensmtpd-activation) + (service-extension profile-service-type + (compose list opensmtpd-configuration-package)) + (service-extension shepherd-root-service-type + opensmtpd-shepherd-service))))) |