From ae23b68ee8bed66d29d0ed573e91d9afaaae1a7e Mon Sep 17 00:00:00 2001
From: Marco Maggesi <maggesi@math.unifi.it>
Date: Fri, 6 Nov 2009 12:58:44 +0000
Subject: [PATCH] Add configurations for MIT kerberos.

svn path=/nixos/trunk/; revision=18203
---
 modules/config/krb5.nix | 185 ++++++++++++++++++++++++++++++++++++++++
 modules/module-list.nix |   1 +
 2 files changed, 186 insertions(+)
 create mode 100644 modules/config/krb5.nix

diff --git a/modules/config/krb5.nix b/modules/config/krb5.nix
new file mode 100644
index 000000000000..960ef8500840
--- /dev/null
+++ b/modules/config/krb5.nix
@@ -0,0 +1,185 @@
+{pkgs, config, ...}:
+
+###### interface
+let
+  inherit (pkgs.lib) mkOption mkIf;
+
+  cfg = config.krb5;
+
+  #myPkgs = import /home/nixer/nix/my-expr.nix { system = "x86_64-linux"; };
+
+  options = {
+    krb5 = {
+
+      enable = mkOption {
+        default = false;
+        description = "Whether to enable Kerberos V.";
+      };
+
+      defaultRealm = mkOption {
+        default = "ATENA.MIT.EDU";
+        description = "Default realm.";
+      };
+
+      kdc = mkOption {
+        default = "kerberos.mit.edu";
+        description = "Kerberos Domain Controller";
+      };
+
+      kerberosAdminServer = mkOption { 
+        default = "kerberos.mit.edu";
+        description = "Kerberos Admin Server";
+      };
+
+    };
+  };
+in
+
+###### implementation
+
+mkIf config.krb5.enable {
+  require = [
+    options
+  ];
+
+  environment = {
+    systemPackages = [ pkgs.krb5 ];
+    etc = [
+      { source = pkgs.writeText "krb5.conf"
+          ''
+[libdefaults]
+	default_realm = ${cfg.defaultRealm}
+
+# The following krb5.conf variables are only for MIT Kerberos.
+	krb4_config = /etc/krb.conf
+	krb4_realms = /etc/krb.realms
+	kdc_timesync = 1
+	ccache_type = 4
+	forwardable = true
+	proxiable = true
+
+# The following encryption type specification will be used by MIT Kerberos
+# if uncommented.  In general, the defaults in the MIT Kerberos code are
+# correct and overriding these specifications only serves to disable new
+# encryption types as they are added, creating interoperability problems.
+
+#	default_tgs_enctypes = aes256-cts arcfour-hmac-md5 des3-hmac-sha1 des-cbc-crc des-cbc-md5
+#	default_tkt_enctypes = aes256-cts arcfour-hmac-md5 des3-hmac-sha1 des-cbc-crc des-cbc-md5
+#	permitted_enctypes = aes256-cts arcfour-hmac-md5 des3-hmac-sha1 des-cbc-crc des-cbc-md5
+
+# The following libdefaults parameters are only for Heimdal Kerberos.
+	v4_instance_resolve = false
+	v4_name_convert = {
+		host = {
+			rcmd = host
+			ftp = ftp
+		}
+		plain = {
+			something = something-else
+		}
+	}
+	fcc-mit-ticketflags = true
+
+[realms]
+	${cfg.defaultRealm} = {
+		kdc = ${cfg.kdc}
+		admin_server = ${cfg.kerberosAdminServer}
+	}
+	ATHENA.MIT.EDU = {
+		kdc = kerberos.mit.edu:88
+		kdc = kerberos-1.mit.edu:88
+		kdc = kerberos-2.mit.edu:88
+		admin_server = kerberos.mit.edu
+		default_domain = mit.edu
+	}
+	MEDIA-LAB.MIT.EDU = {
+		kdc = kerberos.media.mit.edu
+		admin_server = kerberos.media.mit.edu
+	}
+	ZONE.MIT.EDU = {
+		kdc = casio.mit.edu
+		kdc = seiko.mit.edu
+		admin_server = casio.mit.edu
+	}
+	MOOF.MIT.EDU = {
+		kdc = three-headed-dogcow.mit.edu:88
+		kdc = three-headed-dogcow-1.mit.edu:88
+		admin_server = three-headed-dogcow.mit.edu
+	}
+	CSAIL.MIT.EDU = {
+		kdc = kerberos-1.csail.mit.edu
+		kdc = kerberos-2.csail.mit.edu
+		admin_server = kerberos.csail.mit.edu
+		default_domain = csail.mit.edu
+		krb524_server = krb524.csail.mit.edu
+	}
+	IHTFP.ORG = {
+		kdc = kerberos.ihtfp.org
+		admin_server = kerberos.ihtfp.org
+	}
+	GNU.ORG = {
+		kdc = kerberos.gnu.org
+		kdc = kerberos-2.gnu.org
+		kdc = kerberos-3.gnu.org
+		admin_server = kerberos.gnu.org
+	}
+	1TS.ORG = {
+		kdc = kerberos.1ts.org
+		admin_server = kerberos.1ts.org
+	}
+	GRATUITOUS.ORG = {
+		kdc = kerberos.gratuitous.org
+		admin_server = kerberos.gratuitous.org
+	}
+	DOOMCOM.ORG = {
+		kdc = kerberos.doomcom.org
+		admin_server = kerberos.doomcom.org
+	}
+	ANDREW.CMU.EDU = {
+		kdc = vice28.fs.andrew.cmu.edu
+		kdc = vice2.fs.andrew.cmu.edu
+		kdc = vice11.fs.andrew.cmu.edu
+		kdc = vice12.fs.andrew.cmu.edu
+		admin_server = vice28.fs.andrew.cmu.edu
+		default_domain = andrew.cmu.edu
+	}
+	CS.CMU.EDU = {
+		kdc = kerberos.cs.cmu.edu
+		kdc = kerberos-2.srv.cs.cmu.edu
+		admin_server = kerberos.cs.cmu.edu
+	}
+	DEMENTIA.ORG = {
+		kdc = kerberos.dementia.org
+		kdc = kerberos2.dementia.org
+		admin_server = kerberos.dementia.org
+	}
+	stanford.edu = {
+		kdc = krb5auth1.stanford.edu
+		kdc = krb5auth2.stanford.edu
+		kdc = krb5auth3.stanford.edu
+		admin_server = krb5-admin.stanford.edu
+		default_domain = stanford.edu
+	}
+
+[domain_realm]
+	.mit.edu = ATHENA.MIT.EDU
+	mit.edu = ATHENA.MIT.EDU
+	.media.mit.edu = MEDIA-LAB.MIT.EDU
+	media.mit.edu = MEDIA-LAB.MIT.EDU
+	.csail.mit.edu = CSAIL.MIT.EDU
+	csail.mit.edu = CSAIL.MIT.EDU
+	.whoi.edu = ATHENA.MIT.EDU
+	whoi.edu = ATHENA.MIT.EDU
+	.stanford.edu = stanford.edu
+
+[login]
+	krb4_convert = true
+	krb4_get_tickets = false
+	    
+          '';
+        target = "krb5.conf";
+      }
+    ];
+  };
+
+}
diff --git a/modules/module-list.nix b/modules/module-list.nix
index 4addbda5760b..dc20fa605c4b 100644
--- a/modules/module-list.nix
+++ b/modules/module-list.nix
@@ -1,5 +1,6 @@
 [ ./config/fonts.nix
   ./config/i18n.nix
+  ./config/krb5.nix
   ./config/ldap.nix
   ./config/networking.nix
   ./config/no-x-libs.nix