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(define-module (vkraus services dkim-out-proxy)
#:use-module (gnu services)
#:use-module (gnu services shepherd)
#:use-module (guix gexp)
#:use-module (guix modules)
#:use-module (guix records)
#:use-module (gnu packages mail)
#:use-module (ice-9 match)
#:use-module (ice-9 optargs))
(define-record-type* <dkim-out-proxy-configuration>
dkim-out-proxy-configuration
make-dkim-out-proxy-configuration
dkim-out-proxy-configuration?
(dkimproxy dkim-out-proxy-configuration-dkimproxy (default dkimproxy))
(input-port dkim-out-proxy-configuration-input-port (default 11333))
(output-port dkim-out-proxy-configuration-output-port (default 10028))
(domain dkim-out-proxy-configuration-domain)
(keyfile dkim-out-proxy-configuration-keyfile (default "/etc/dkim/privkey.pem")))
(export <dkim-out-proxy-configuration>
dkim-out-proxy-configuration
make-dkim-out-proxy-configuration
dkim-out-proxy-configuration?
dkim-out-proxy-configuration-dkimproxy
dkim-out-proxy-configuration-input-port
dkim-out-proxy-configuration-output-port
dkim-out-proxy-configuration-domain
dkim-out-proxy-configuration-keyfile)
(define dkim-out-proxy-shepherd-service
(match-lambda
(($ <dkim-out-proxy-configuration>
dkimproxy input-port output-port domain keyfile)
(list
(shepherd-service
(provision '(dkim-out))
(documentation "Run the dkim out proxy")
(requirement '(user-processes loopback syslogd))
(start
#~(make-forkexec-constructor
(list
(string-append #$dkimproxy "/bin/dkimproxy.out")
(format #f "--listen=localhost:~a" #$input-port)
(format #f "--relay=localhost:~a" #$output-port)
(format #f "--domain=~a" #$domain)
(format #f "--keyfile=~a" #$keyfile)
"--selector=dkim")))
(stop #~(make-kill-destructor)))))))
(define-public dkim-out-proxy-service-type
(service-type (name 'dkim-out-proxy)
(description "Run a DKIM signing proxy.")
(extensions
(list
(service-extension
shepherd-root-service-type
dkim-out-proxy-shepherd-service)))))
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