From: John Darrington <john@darrington.wattle.id.au>
To: John Darrington <jmd@gnu.org>
Cc: guix-devel@gnu.org
Subject: Re: [PATCH] gnu: Add kerberos service.
Date: Fri, 18 Nov 2016 16:23:12 +0100 [thread overview]
Message-ID: <20161118152312.GA31249@jocasta.intra> (raw)
In-Reply-To: <1478721522-312-1-git-send-email-jmd@gnu.org>
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Any comments on this before I push it??
On Wed, Nov 09, 2016 at 08:58:42PM +0100, John Darrington wrote:
* gnu/services/kerberos.scm (krb5-realm, krb5-configuration,
krb5-service-type): New variables.
---
gnu/services/kerberos.scm | 230 +++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 229 insertions(+), 1 deletion(-)
diff --git a/gnu/services/kerberos.scm b/gnu/services/kerberos.scm
index 144c71b..2147dd8 100644
--- a/gnu/services/kerberos.scm
+++ b/gnu/services/kerberos.scm
@@ -22,9 +22,237 @@
#:use-module (gnu system pam)
#:use-module (guix gexp)
#:use-module (guix records)
+ #:use-module (srfi srfi-1)
#:export (pam-krb5-configuration
pam-krb5-configuration?
- pam-krb5-service-type))
+ pam-krb5-service-type
+
+ krb5-realm
+ krb5-realm?
+
+ krb5-configuration
+ krb5-configuration?
+ krb5-service-type))
+
+(define-record-type* <krb5-realm>
+ krb5-realm make-krb5-realm
+ krb5-realm?
+ (name krb5-realm-name)
+
+ (admin-server krb5-realm-admin-server)
+ (kdc krb5-realm-kdc)
+ (auth-to-local krb5-realm-auth-to-local (default '()))
+ (auth-to-local-names krb5-realm-auth-to-local-names (default '()))
+ (http-anchors krb5-realm-http-anchors (default '()))
+ (default-domain krb5-realm-default-domain (default #f))
+ (kpasswd-server krb5-realm-kpasswd-server (default #f))
+ (master-kdc krb5-realm-master-kdc (default #f))
+ (v4-instance-convert krb5-realm-v4-instance-convert (default '()))
+ (v4-realm krb5-realm-v4-realm (default #f)))
+
+
+(define-syntax guile->krb-cfg
+ (syntax-rules ()
+ ((guile->krb-cfg accessor what)
+ (string-map
+ (lambda (c) (if (eq? c #\-) #\_ c))
+ (string-drop (symbol->string accessor)
+ (string-length what))))))
+
+(define-syntax cfg-opt-string
+ (syntax-rules ()
+ ((cfg-opt-string accessor realm)
+ (if (accessor realm)
+ (format #f "\n\t~a = ~a"
+ (guile->krb-cfg 'accessor "krb5-realm-")
+ (accessor realm))
+ ""))))
+
+
+;; Generates one line of text per list item
+(define-syntax cfg-opt-list
+ (syntax-rules ()
+ ((cfg-opt-list accessor realm)
+ (if (not (null? (accessor realm)))
+ (string-concatenate
+ (map (lambda (item)
+ (format #f "\n\t~a = ~a"
+ (guile->krb-cfg 'accessor "krb5-realm-")
+ item))
+ (accessor realm)))
+ ""))))
+
+(define (krb5-realm->string realm)
+ "Return a string suitable for a krb5.conf fragment representing REALM"
+ (string-append "\n" (krb5-realm-name realm) " = {"
+ (cfg-opt-string krb5-realm-kdc realm)
+ (cfg-opt-string krb5-realm-admin-server realm)
+ (cfg-opt-string krb5-realm-default-domain realm)
+ (cfg-opt-list krb5-realm-auth-to-local realm)
+ (cfg-opt-list krb5-realm-http-anchors realm)
+ (cfg-opt-string krb5-realm-kpasswd-server realm)
+ (cfg-opt-string krb5-realm-master-kdc realm)
+ (cfg-opt-string krb5-realm-v4-realm realm)
+ "\n}"))
+
+
+;; For explanation of these fields see man 5 krb5.conf
+(define-record-type* <krb5-configuration>
+ krb5-configuration make-krb5-configuration
+ krb5-configuration?
+
+ ;; [libdefaults]
+ (allow-weak-crypto krb5-configuration-allow-weak-crypto (default #f))
+ (ap-req-checksum-type krb5-configuration-ap-req-checksum-type (default #f))
+ (canonicalize krb5-configuration-canonicalize (default #f))
+ (ccache-type krb5-configuration-ccache-type (default #f))
+ (clockskew krb5-configuration-clockskew (default #f))
+ (default-ccache-name krb5-configuration-default-ccache-name (default #f))
+ (default-client-keytab-name krb5-configuration-default-client-keytab-name
+ (default #f))
+ (default-keytab-name krb5-configuration-default-keytab-name (default #f))
+ (default-realm krb5-configuration-default-realm (default #f))
+ (default-tgs-enctypes krb5-configuration-default-tgs-enctypes (default #f))
+ (default-tkt-enctypes krb5-configuration-default-tkt-enctypes (default #f))
+ (dns-canonicalize-hostname krb5-configuration-dns-canonicalize-hostname
+ (default #t))
+ (dns-lookup-kdc krb5-configuration-dns-lookup-kdc
+ (default #f))
+ (err-fmt krb5-configuration-err-fmt (default #f))
+ (extra-addresses krb5-configuration-extra-addresses
+ (default #f))
+ (forwardable krb5-configuration-forwardable (default #t))
+ (ignore-acceptor-hostname krb5-configuration-ignore-acceptor-hostname
+ (default #f))
+ (k5login-authoritative krb5-configuration-k5login-authoritative (default #t))
+ (k5login-directory krb5-configuration-k5login-directory (default #f))
+ (kcm-mach-service krb5-configuration-kcm-mach-service
+ (default "org.h5l.kcm"))
+ (kcm-socket krb5-configuration-kcm-socket
+ (default "/var/run/.heim_org.h5l.kcm-socket"))
+ (kdc-default-options krb5-configuration-kdc-default-options
+ (default #f))
+ (kdc-timesync krb5-configuration-kdc-timesync (default #t))
+ (kdc-req-checksum-type krb5-configuration-kdc-req-checksum-type (default #f))
+ (noaddresses krb5-configuration-noaddresses
+ (default #f))
+ (permitted-enctypes krb5-configuration-permitted-enctypes
+ (default #f))
+ (plugin-base-dir krb5-configuration-plugin-base-dir
+ (default #f))
+ (preferred-preauth-types krb5-configuration-preferred-preauth-types
+ (default #f))
+ (proxiable krb5-configuration-proxiable (default #f))
+ (rdns krb5-configuration-rdns (default #t))
+ (realm-try-domains krb5-configuration-realm-try-domains
+ (default #f))
+ (renew-lifetime krb5-configuration-renew-lifetime
+ (default #f))
+ (safe-checksum-type krb5-configuration-safe-checksum-type
+ (default #f))
+ (ticket-lifetime krb5-configuration-ticket-lifetime
+ (default #f))
+ (udp-preference-limit krb5-configuration-udp-preference-limit
+ (default #f))
+ (verify-ap-req-nofail krb5-configuration-verify-ap-req-nofail
+ (default #f))
+
+ ;;[realms]
+ (realms krb5-configuration-realms)
+
+ ;;[domain_realm]
+ (domain-realm-map krb5-configuration-domain-realm-map (default '())))
+
+
+(define-syntax cfg-string
+ (syntax-rules ()
+ ((cfg-string accessor config)
+ (if (accessor config)
+ (format #f "\n\t~a = ~a"
+ (guile->krb-cfg 'accessor "krb5-configuration-")
+ (accessor config))
+ ""))))
+
+(define-syntax cfg-boolean
+ (syntax-rules ()
+ ((cfg-string accessor config)
+ (format #f "\n\t~a = ~a"
+ (guile->krb-cfg 'accessor "krb5-configuration-")
+ (if (accessor config) "true" "false")))))
+
+;; Generates a comma separated list
+(define-syntax cfg-list
+ (syntax-rules ()
+ ((cfg-string accessor config)
+ (if (accessor config)
+ (format #f "\n\t~a = ~a"
+ (guile->krb-cfg 'accessor "krb5-configuration-")
+ (fold (lambda (i prev)
+ (string-append prev
+ (if (zero? (string-length prev))
+ "" ", ") i)) ""
+ (accessor config))) ""))))
+
+(define (krb5-configuration-file config)
+ "Create a Kerberos 5 configuration file based on CONFIG"
+ (mixed-text-file "krb5.conf"
+
+"[libdefaults]"
+(cfg-string krb5-configuration-default-realm config)
+(cfg-boolean krb5-configuration-allow-weak-crypto config)
+(cfg-string krb5-configuration-ap-req-checksum-type config)
+(cfg-boolean krb5-configuration-canonicalize config)
+(cfg-string krb5-configuration-ccache-type config)
+(cfg-string krb5-configuration-clockskew config)
+(cfg-string krb5-configuration-default-ccache-name config)
+(cfg-string krb5-configuration-default-client-keytab-name config)
+(cfg-string krb5-configuration-default-keytab-name config)
+(cfg-string krb5-configuration-default-tgs-enctypes config)
+(cfg-string krb5-configuration-default-tkt-enctypes config)
+(cfg-boolean krb5-configuration-dns-canonicalize-hostname config)
+(cfg-boolean krb5-configuration-dns-lookup-kdc config)
+(cfg-string krb5-configuration-err-fmt config)
+(cfg-list krb5-configuration-extra-addresses config)
+(cfg-boolean krb5-configuration-ignore-acceptor-hostname config)
+(cfg-boolean krb5-configuration-k5login-authoritative config)
+(cfg-string krb5-configuration-k5login-directory config)
+(cfg-boolean krb5-configuration-forwardable config)
+(cfg-string krb5-configuration-kcm-mach-service config)
+(cfg-string krb5-configuration-kcm-socket config)
+(cfg-string krb5-configuration-kdc-default-options config)
+(cfg-boolean krb5-configuration-kdc-timesync config)
+(cfg-boolean krb5-configuration-proxiable config)
+(cfg-string krb5-configuration-kdc-req-checksum-type config)
+(cfg-boolean krb5-configuration-noaddresses config)
+(cfg-list krb5-configuration-permitted-enctypes config)
+(cfg-string krb5-configuration-plugin-base-dir config)
+(cfg-list krb5-configuration-preferred-preauth-types config)
+(cfg-boolean krb5-configuration-rdns config)
+(cfg-string krb5-configuration-realm-try-domains config)
+(cfg-string krb5-configuration-renew-lifetime config)
+(cfg-string krb5-configuration-safe-checksum-type config)
+(cfg-string krb5-configuration-ticket-lifetime config)
+(cfg-string krb5-configuration-udp-preference-limit config)
+(cfg-boolean krb5-configuration-verify-ap-req-nofail config)
+
+"\n\n[realms]"
+(string-concatenate (map krb5-realm->string (krb5-configuration-realms config)))
+
+"\n"))
+
+
+(define (krb5-etc-service config)
+ (list `("krb5.conf" ,(krb5-configuration-file config))))
+
+
+(define krb5-service-type
+ (service-type (name 'krb5)
+ (extensions
+ (list (service-extension etc-service-type
+ krb5-etc-service)))))
+
+
+\f
(define-record-type* <pam-krb5-configuration>
pam-krb5-configuration make-pam-krb5-configuration
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next prev parent reply other threads:[~2016-11-18 15:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-09 19:58 [PATCH] gnu: Add kerberos service John Darrington
2016-11-18 15:23 ` John Darrington [this message]
2016-11-18 22:51 ` Ludovic Courtès
2016-11-19 6:57 ` John Darrington
2016-11-21 8:59 ` Ludovic Courtès
2016-11-22 17:52 ` [PATCH] gnu: Add Kerberos client service John Darrington
2016-11-23 22:01 ` Ludovic Courtès
2016-11-29 18:39 ` John Darrington
2016-11-29 18:39 ` John Darrington
2016-11-30 13:09 ` Ludovic Courtès
2016-11-30 13:44 ` John Darrington
2016-11-30 13:52 ` Andy Wingo
2016-12-03 12:27 ` John Darrington
2016-12-03 15:13 ` Ludovic Courtès
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