services: agate: Update options for compatibility with the current Agate version.

* gnu/services/web.scm (<agate-configuration>)[certs]: Add.
[cert]: Remove.
[key]: Remove.
[hostname]: Change from string to list.
[silent?]: Remove.
[only-tls13?]: Add.
[central-conf?]: Add.
[ed25519?]: Add.
[skip-port-check?]: Add.
(agate-shepherd-service): Change handling of addr and hostname, add new
options handling.
* doc/guix.texi (Web Services): Update.

Change-Id: Ifb4968d704627344913bb69f20636d710a4fe738
Signed-off-by: Ludovic Courtès <ludo@gnu.org>

doc/guix.texi

@@ -32935,25 +32935,30 @@ This is the type of the agate service, whose value should be an
 (service agate-service-type
 	 (agate-configuration
 	   (content "/srv/gemini")
-	   (cert "/srv/cert.pem")
+	   (certs "/srv/gemini-certs")))
-	   (key "/srv/key.rsa")))
 @end lisp
 
 The example above represents the minimal tweaking necessary to get Agate
-up and running.  Specifying the path to the certificate and key is
+up and running.  Specifying the path to the certificate and key directory is
 always necessary, as the Gemini protocol requires TLS by default.
 
-To obtain a certificate and a key, you could, for example, use OpenSSL,
+If specified path is writable by Agate, and contains no valid key
-running a command similar to the following example:
+and certificate, the Agate will try to generate them on the first start.
+If specified directory is read-only - key and certificate should be pre-generated by user.
+
+To obtain a certificate and a key in a DER format, you could, for example,
+use OpenSSL, running a commands similar to the following example:
 
 @example
-openssl req -x509 -newkey rsa:4096 -keyout key.rsa -out cert.pem \
+openssl genpkey -out key.der -outform DER -algorithm RSA \
-    -days 3650 -nodes -subj "/CN=example.com"
+    -pkeyopt rsa_keygen_bits:4096
+openssl req -x509 -key key.der -outform DER -days 3650 -out cert.der \
+    -subj "/CN=example.com"
 @end example
 
 Of course, you'll have to replace @i{example.com} with your own domain
 name, and then point the Agate configuration towards the path of the
-generated key and certificate.
+directory with the generated key and certificate using the @code{certs} option.
 
 @end defvar
 
@@ -32967,30 +32972,38 @@ The package object of the Agate server.
 @item @code{content} (default: @file{"/srv/gemini"})
 The directory from which Agate will serve files.
 
-@item @code{cert} (default: @code{#f})
+@item @code{certs} (default: @file{"/srv/gemini-certs"})
-The path to the TLS certificate PEM file to be used for encrypted
+Root of the certificate directory. Must be filled in with a value from the user.
-connections.  Must be filled in with a value from the user.
-
-@item @code{key} (default: @code{#f})
-The path to the PKCS8 private key file to be used for encrypted
-connections.  Must be filled in with a value from the user.
 
 @item @code{addr} (default: @code{'("0.0.0.0:1965" "[::]:1965")})
 A list of the addresses to listen on.
 
-@item @code{hostname} (default: @code{#f})
+@item @code{hostnames} (default: @code{'()})
-The domain name of this Gemini server.  Optional.
+Virtual hosts for the Gemini server. If multiple values are
+specified, corresponding directory names should be present in the @code{content}
+directory. Optional.
 
 @item @code{lang} (default: @code{#f})
 RFC 4646 language code(s) for text/gemini documents.  Optional.
 
-@item @code{silent?} (default: @code{#f})
+@item @code{only-tls13?} (default: @code{#f})
-Set to @code{#t} to disable logging output.
+Set to @code{#t} to disable support for TLSv1.2.
 
 @item @code{serve-secret?} (default: @code{#f})
 Set to @code{#t} to serve secret files (files/directories starting with
 a dot).
 
+@item @code{central-conf?} (default: @code{#f})
+Set to @code{#t} to look for the .meta configuration file in the @code{content}
+root directory and will ignore @code{.meta} files in other directories
+
+@item @code{ed25519?} (default: @code{#f})
+Set to @code{#t} to generate keys using the Ed25519 signature algorithm
+instead of the default ECDSA.
+
+@item @code{skip-port-check?} (default: @code{#f})
+Set to @code{#t} to skip URL port check even when a @code{hostname} is specified.
+
 @item @code{log-ip?} (default: @code{#t})
 Whether or not to output IP addresses when logging.
 

gnu/services/web.scm

@@ -302,13 +302,15 @@
             agate-configuration?
             agate-configuration-package
             agate-configuration-content
-            agate-configuration-cert
+            agate-configuration-certs
-            agate-configuration-key
             agate-configuration-addr
             agate-configuration-hostname
             agate-configuration-lang
-            agate-configuration-silent
+            agate-configuration-only-tls13
             agate-configuration-serve-secret
+            agate-configuration-central-conf
+            agate-configuration-ed25519
+            agate-configuration-skip-port-check
             agate-configuration-log-ip
             agate-configuration-user
             agate-configuration-group
@@ -2184,20 +2186,24 @@ root=/srv/gemini
             (default agate))
   (content  agate-configuration-content
             (default "/srv/gemini"))
-  (cert     agate-configuration-cert
+  (certs     agate-configuration-certs
-            (default #f))
+             (default "/srv/gemini-certs"))
-  (key      agate-configuration-key
-            (default #f))
   (addr     agate-configuration-addr
             (default '("0.0.0.0:1965" "[::]:1965")))
   (hostname agate-configuration-hostname
-            (default #f))
+            (default '()))
   (lang     agate-configuration-lang
             (default #f))
-  (silent?  agate-configuration-silent
+  (only-tls13? agate-configuration-only-tls13
-            (default #f))
+               (default #f))
   (serve-secret? agate-configuration-serve-secret
                  (default #f))
+  (central-conf? agate-configuration-central-conf
+                 (default #f))
+  (ed25519? agate-configuration-ed25519
+            (default #f))
+  (skip-port-check? agate-configuration-skip-port-check
+                    (default #f))
   (log-ip?  agate-configuration-log-ip
             (default #t))
   (user     agate-configuration-user
@@ -2209,8 +2215,10 @@ root=/srv/gemini
 
 (define agate-shepherd-service
   (match-lambda
-    (($ <agate-configuration> package content cert key addr
+    (($ <agate-configuration> package content certs addr
-                              hostname lang silent? serve-secret?
+                              hostname lang only-tls13?
+                              serve-secret? central-conf?
+                              ed25519? skip-port-check?
                               log-ip? user group log-file)
      (list (shepherd-service
             (provision '(agate))
@@ -2220,17 +2228,21 @@ root=/srv/gemini
                      #~(make-forkexec-constructor
                         (list #$agate
                               "--content" #$content
-                              "--cert" #$cert
+                              "--certs" #$certs
-                              "--key" #$key
+                              #$@(append-map
-                              "--addr" #$@addr
+                                  (lambda x (append '("--addr") x))
+                                  addr)
+                              #$@(append-map
+                                  (lambda x (append '("--hostname") x))
+                                  hostname)
                               #$@(if lang
                                      (list "--lang" lang)
                                      '())
-                              #$@(if hostname
-                                     (list "--hostname" hostname)
-                                     '())
-                              #$@(if silent? '("--silent") '())
                               #$@(if serve-secret? '("--serve-secret") '())
+                              #$@(if only-tls13? '("--only-tls13") '())
+                              #$@(if central-conf? '("--central-conf") '())
+                              #$@(if ed25519? '("--ed25519") '())
+                              #$@(if skip-port-check? '("--skip-port-check") '())
                               #$@(if log-ip? '("--log-ip") '()))
                         #:user #$user #:group #$group
                         #:log-file #$log-file)))