mirror of
https://github.com/ilyakooo0/nixpkgs.git
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nixos/krb5: complete rewrite
The `krb5` service was a bit lacking. Addresses NixOS/nixpkgs#11268, partially addresses NixOS/nixpkgs#29623.
This commit is contained in:
Ruben Maher
parent
047c576353
commit
06e15e59f9
@ -1,206 +0,0 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.krb5;
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in
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{
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###### interface
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options = {
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krb5 = {
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enable = mkOption {
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default = false;
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description = "Whether to enable Kerberos V.";
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};
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defaultRealm = mkOption {
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default = "ATENA.MIT.EDU";
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description = "Default realm.";
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};
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domainRealm = mkOption {
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default = "atena.mit.edu";
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description = "Default domain realm.";
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};
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kdc = mkOption {
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default = "kerberos.mit.edu";
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description = "Key Distribution Center";
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};
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kerberosAdminServer = mkOption {
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default = "kerberos.mit.edu";
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description = "Kerberos Admin Server.";
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};
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};
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};
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###### implementation
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config = mkIf config.krb5.enable {
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environment.systemPackages = [ pkgs.krb5Full ];
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environment.etc."krb5.conf".text =
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''
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[libdefaults]
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default_realm = ${cfg.defaultRealm}
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encrypt = true
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# The following krb5.conf variables are only for MIT Kerberos.
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krb4_config = /etc/krb.conf
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krb4_realms = /etc/krb.realms
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kdc_timesync = 1
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ccache_type = 4
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forwardable = true
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proxiable = true
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# The following encryption type specification will be used by MIT Kerberos
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# if uncommented. In general, the defaults in the MIT Kerberos code are
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# correct and overriding these specifications only serves to disable new
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# encryption types as they are added, creating interoperability problems.
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# default_tgs_enctypes = aes256-cts arcfour-hmac-md5 des3-hmac-sha1 des-cbc-crc des-cbc-md5
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# default_tkt_enctypes = aes256-cts arcfour-hmac-md5 des3-hmac-sha1 des-cbc-crc des-cbc-md5
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# permitted_enctypes = aes256-cts arcfour-hmac-md5 des3-hmac-sha1 des-cbc-crc des-cbc-md5
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# The following libdefaults parameters are only for Heimdal Kerberos.
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v4_instance_resolve = false
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v4_name_convert = {
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host = {
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rcmd = host
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ftp = ftp
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}
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plain = {
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something = something-else
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}
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}
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fcc-mit-ticketflags = true
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[realms]
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${cfg.defaultRealm} = {
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kdc = ${cfg.kdc}
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admin_server = ${cfg.kerberosAdminServer}
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#kpasswd_server = ${cfg.kerberosAdminServer}
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}
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ATHENA.MIT.EDU = {
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kdc = kerberos.mit.edu:88
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kdc = kerberos-1.mit.edu:88
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kdc = kerberos-2.mit.edu:88
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admin_server = kerberos.mit.edu
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default_domain = mit.edu
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}
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MEDIA-LAB.MIT.EDU = {
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kdc = kerberos.media.mit.edu
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admin_server = kerberos.media.mit.edu
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}
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ZONE.MIT.EDU = {
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kdc = casio.mit.edu
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kdc = seiko.mit.edu
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admin_server = casio.mit.edu
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}
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MOOF.MIT.EDU = {
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kdc = three-headed-dogcow.mit.edu:88
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kdc = three-headed-dogcow-1.mit.edu:88
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admin_server = three-headed-dogcow.mit.edu
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}
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CSAIL.MIT.EDU = {
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kdc = kerberos-1.csail.mit.edu
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kdc = kerberos-2.csail.mit.edu
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admin_server = kerberos.csail.mit.edu
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default_domain = csail.mit.edu
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krb524_server = krb524.csail.mit.edu
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}
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IHTFP.ORG = {
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kdc = kerberos.ihtfp.org
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admin_server = kerberos.ihtfp.org
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}
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GNU.ORG = {
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kdc = kerberos.gnu.org
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kdc = kerberos-2.gnu.org
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kdc = kerberos-3.gnu.org
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admin_server = kerberos.gnu.org
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}
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1TS.ORG = {
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kdc = kerberos.1ts.org
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admin_server = kerberos.1ts.org
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}
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GRATUITOUS.ORG = {
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kdc = kerberos.gratuitous.org
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admin_server = kerberos.gratuitous.org
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}
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DOOMCOM.ORG = {
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kdc = kerberos.doomcom.org
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admin_server = kerberos.doomcom.org
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}
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ANDREW.CMU.EDU = {
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kdc = vice28.fs.andrew.cmu.edu
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kdc = vice2.fs.andrew.cmu.edu
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kdc = vice11.fs.andrew.cmu.edu
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kdc = vice12.fs.andrew.cmu.edu
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admin_server = vice28.fs.andrew.cmu.edu
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default_domain = andrew.cmu.edu
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}
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CS.CMU.EDU = {
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kdc = kerberos.cs.cmu.edu
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kdc = kerberos-2.srv.cs.cmu.edu
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admin_server = kerberos.cs.cmu.edu
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}
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DEMENTIA.ORG = {
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kdc = kerberos.dementia.org
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kdc = kerberos2.dementia.org
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admin_server = kerberos.dementia.org
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}
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stanford.edu = {
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kdc = krb5auth1.stanford.edu
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kdc = krb5auth2.stanford.edu
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kdc = krb5auth3.stanford.edu
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admin_server = krb5-admin.stanford.edu
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default_domain = stanford.edu
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}
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[domain_realm]
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.${cfg.domainRealm} = ${cfg.defaultRealm}
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${cfg.domainRealm} = ${cfg.defaultRealm}
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.mit.edu = ATHENA.MIT.EDU
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mit.edu = ATHENA.MIT.EDU
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.exchange.mit.edu = EXCHANGE.MIT.EDU
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exchange.mit.edu = EXCHANGE.MIT.EDU
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.media.mit.edu = MEDIA-LAB.MIT.EDU
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media.mit.edu = MEDIA-LAB.MIT.EDU
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.csail.mit.edu = CSAIL.MIT.EDU
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csail.mit.edu = CSAIL.MIT.EDU
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.whoi.edu = ATHENA.MIT.EDU
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whoi.edu = ATHENA.MIT.EDU
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.stanford.edu = stanford.edu
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[logging]
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kdc = SYSLOG:INFO:DAEMON
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admin_server = SYSLOG:INFO:DAEMON
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default = SYSLOG:INFO:DAEMON
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krb4_convert = true
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krb4_get_tickets = false
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[appdefaults]
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pam = {
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debug = false
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ticket_lifetime = 36000
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renew_lifetime = 36000
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max_timeout = 30
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timeout_shift = 2
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initial_timeout = 1
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}
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'';
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};
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}
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367
nixos/modules/config/krb5/default.nix
Normal file
367
nixos/modules/config/krb5/default.nix
Normal file
@ -0,0 +1,367 @@
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{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.krb5;
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# This is to provide support for old configuration options (as much as is
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# reasonable). This can probably be removed after some time.
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defaultConfig = {
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libdefaults = optionalAttrs (cfg.defaultRealm != null)
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{ default_realm = cfg.defaultRealm; };
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realms = optionalAttrs (lib.all (value: value != null) [
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cfg.defaultRealm cfg.kdc cfg.kerberosAdminServer
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]) {
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"${cfg.defaultRealm}" = {
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kdc = cfg.kdc;
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admin_server = cfg.kerberosAdminServer;
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};
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};
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domain_realm = optionalAttrs (lib.all (value: value != null) [
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cfg.domainRealm cfg.defaultRealm
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]) {
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".${cfg.domainRealm}" = cfg.defaultRealm;
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"${cfg.domainRealm}" = cfg.defaultRealm;
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};
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};
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mergedConfig = (recursiveUpdate defaultConfig {
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inherit (config.krb5)
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kerberos libdefaults realms domain_realm capaths appdefaults plugins
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extraConfig config;
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});
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filterEmbeddedMetadata = value: if isAttrs value then
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(filterAttrs
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(attrName: attrValue: attrName != "_module" && attrValue != null)
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value)
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else value;
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mkIndent = depth: concatStrings (builtins.genList (_: " ") (2 * depth));
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mkRelation = name: value: "${name} = ${mkVal { inherit value; }}";
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mkVal = { value, depth ? 0 }:
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if (value == true) then "true"
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else if (value == false) then "false"
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else if (isInt value) then (toString value)
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else if (isList value) then
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concatMapStringsSep " " mkVal { inherit value depth; }
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else if (isAttrs value) then
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(concatStringsSep "\n${mkIndent (depth + 1)}"
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([ "{" ] ++ (mapAttrsToList
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(attrName: attrValue: let
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mappedAttrValue = mkVal {
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value = attrValue;
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depth = depth + 1;
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};
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in "${attrName} = ${mappedAttrValue}")
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value))) + "\n${mkIndent depth}}"
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else value;
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mkMappedAttrsOrString = value: concatMapStringsSep "\n"
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(line: if builtins.stringLength line > 0
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then "${mkIndent 1}${line}"
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else line)
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(splitString "\n"
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(if isAttrs value then
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concatStringsSep "\n"
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(mapAttrsToList mkRelation value)
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else value));
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in {
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###### interface
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options = {
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krb5 = {
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enable = mkEnableOption "Whether to enable Kerberos V.";
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kerberos = mkOption {
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type = types.package;
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default = pkgs.krb5Full;
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defaultText = "pkgs.krb5Full";
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example = literalExample "pkgs.heimdalFull";
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description = ''
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The Kerberos implementation that will be present in
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<literal>environment.systemPackages</literal> after enabling this
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service.
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'';
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};
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libdefaults = mkOption {
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type = with types; either attrs lines;
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default = {};
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apply = attrs: filterEmbeddedMetadata attrs;
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example = literalExample ''
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{
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default_realm = "ATHENA.MIT.EDU";
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};
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'';
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description = ''
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Settings used by the Kerberos V5 library.
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'';
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};
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realms = mkOption {
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type = with types; either attrs lines;
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default = {};
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example = literalExample ''
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{
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"ATHENA.MIT.EDU" = {
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admin_server = "athena.mit.edu";
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kdc = "athena.mit.edu";
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};
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};
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'';
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apply = attrs: filterEmbeddedMetadata attrs;
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description = "Realm-specific contact information and settings.";
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};
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domain_realm = mkOption {
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type = with types; either attrs lines;
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default = {};
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example = literalExample ''
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{
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"example.com" = "EXAMPLE.COM";
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".example.com" = "EXAMPLE.COM";
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};
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'';
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apply = attrs: filterEmbeddedMetadata attrs;
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description = ''
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Map of server hostnames to Kerberos realms.
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'';
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};
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capaths = mkOption {
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type = with types; either attrs lines;
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default = {};
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example = literalExample ''
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{
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"ATHENA.MIT.EDU" = {
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"EXAMPLE.COM" = ".";
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};
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"EXAMPLE.COM" = {
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"ATHENA.MIT.EDU" = ".";
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};
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};
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'';
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apply = attrs: filterEmbeddedMetadata attrs;
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description = ''
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Authentication paths for non-hierarchical cross-realm authentication.
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'';
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};
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appdefaults = mkOption {
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type = with types; either attrs lines;
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default = {};
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example = literalExample ''
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{
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pam = {
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debug = false;
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ticket_lifetime = 36000;
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renew_lifetime = 36000;
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max_timeout = 30;
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timeout_shift = 2;
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initial_timeout = 1;
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};
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};
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'';
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apply = attrs: filterEmbeddedMetadata attrs;
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description = ''
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Settings used by some Kerberos V5 applications.
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'';
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};
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plugins = mkOption {
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type = with types; either attrs lines;
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default = {};
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example = literalExample ''
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{
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ccselect = {
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disable = "k5identity";
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};
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};
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'';
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apply = attrs: filterEmbeddedMetadata attrs;
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description = ''
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Controls plugin module registration.
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'';
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};
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extraConfig = mkOption {
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type = with types; nullOr lines;
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default = null;
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example = ''
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[logging]
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kdc = SYSLOG:NOTICE
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admin_server = SYSLOG:NOTICE
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default = SYSLOG:NOTICE
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'';
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description = ''
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These lines go to the end of <literal>krb5.conf</literal> verbatim.
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<literal>krb5.conf</literal> may include any of the relations that are
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valid for <literal>kdc.conf</literal> (see <literal>man
|
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kdc.conf</literal>), but it is not a recommended practice.
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'';
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};
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config = mkOption {
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type = with types; nullOr lines;
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default = null;
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example = ''
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[libdefaults]
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default_realm = EXAMPLE.COM
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[realms]
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EXAMPLE.COM = {
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admin_server = kerberos.example.com
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kdc = kerberos.example.com
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default_principal_flags = +preauth
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}
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[domain_realm]
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example.com = EXAMPLE.COM
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.example.com = EXAMPLE.COM
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[logging]
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kdc = SYSLOG:NOTICE
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admin_server = SYSLOG:NOTICE
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default = SYSLOG:NOTICE
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'';
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description = ''
|
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Verbatim <literal>krb5.conf</literal> configuration. Note that this
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is mutually exclusive with configuration via
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<literal>libdefaults</literal>, <literal>realms</literal>,
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<literal>domain_realm</literal>, <literal>capaths</literal>,
|
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<literal>appdefaults</literal>, <literal>plugins</literal> and
|
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<literal>extraConfig</literal> configuration options. Consult
|
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<literal>man krb5.conf</literal> for documentation.
|
||||
'';
|
||||
};
|
||||
|
||||
defaultRealm = mkOption {
|
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type = with types; nullOr str;
|
||||
default = null;
|
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example = "ATHENA.MIT.EDU";
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description = ''
|
||||
DEPRECATED, please use
|
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<literal>krb5.libdefaults.default_realm</literal>.
|
||||
'';
|
||||
};
|
||||
|
||||
domainRealm = mkOption {
|
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type = with types; nullOr str;
|
||||
default = null;
|
||||
example = "athena.mit.edu";
|
||||
description = ''
|
||||
DEPRECATED, please create a map of server hostnames to Kerberos realms
|
||||
in <literal>krb5.domain_realm</literal>.
|
||||
'';
|
||||
};
|
||||
|
||||
kdc = mkOption {
|
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type = with types; nullOr str;
|
||||
default = null;
|
||||
example = "kerberos.mit.edu";
|
||||
description = ''
|
||||
DEPRECATED, please pass a <literal>kdc</literal> attribute to a realm
|
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in <literal>krb5.realms</literal>.
|
||||
'';
|
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};
|
||||
|
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kerberosAdminServer = mkOption {
|
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type = with types; nullOr str;
|
||||
default = null;
|
||||
example = "kerberos.mit.edu";
|
||||
description = ''
|
||||
DEPRECATED, please pass an <literal>admin_server</literal> attribute
|
||||
to a realm in <literal>krb5.realms</literal>.
|
||||
'';
|
||||
};
|
||||
};
|
||||
};
|
||||
|
||||
###### implementation
|
||||
|
||||
config = mkIf cfg.enable {
|
||||
|
||||
environment.systemPackages = [ cfg.kerberos ];
|
||||
|
||||
environment.etc."krb5.conf".text = if isString cfg.config
|
||||
then cfg.config
|
||||
else (''
|
||||
[libdefaults]
|
||||
${mkMappedAttrsOrString mergedConfig.libdefaults}
|
||||
|
||||
[realms]
|
||||
${mkMappedAttrsOrString mergedConfig.realms}
|
||||
|
||||
[domain_realm]
|
||||
${mkMappedAttrsOrString mergedConfig.domain_realm}
|
||||
|
||||
[capaths]
|
||||
${mkMappedAttrsOrString mergedConfig.capaths}
|
||||
|
||||
[appdefaults]
|
||||
${mkMappedAttrsOrString mergedConfig.appdefaults}
|
||||
|
||||
[plugins]
|
||||
${mkMappedAttrsOrString mergedConfig.plugins}
|
||||
'' + optionalString (mergedConfig.extraConfig != null)
|
||||
("\n" + mergedConfig.extraConfig));
|
||||
|
||||
warnings = flatten [
|
||||
(optional (cfg.defaultRealm != null) ''
|
||||
The option krb5.defaultRealm is deprecated, please use
|
||||
krb5.libdefaults.default_realm.
|
||||
'')
|
||||
(optional (cfg.domainRealm != null) ''
|
||||
The option krb5.domainRealm is deprecated, please use krb5.domain_realm.
|
||||
'')
|
||||
(optional (cfg.kdc != null) ''
|
||||
The option krb5.kdc is deprecated, please pass a kdc attribute to a
|
||||
realm in krb5.realms.
|
||||
'')
|
||||
(optional (cfg.kerberosAdminServer != null) ''
|
||||
The option krb5.kerberosAdminServer is deprecated, please pass an
|
||||
admin_server attribute to a realm in krb5.realms.
|
||||
'')
|
||||
];
|
||||
|
||||
assertions = [
|
||||
{ assertion = !((builtins.any (value: value != null) [
|
||||
cfg.defaultRealm cfg.domainRealm cfg.kdc cfg.kerberosAdminServer
|
||||
]) && ((builtins.any (value: value != {}) [
|
||||
cfg.libdefaults cfg.realms cfg.domain_realm cfg.capaths
|
||||
cfg.appdefaults cfg.plugins
|
||||
]) || (builtins.any (value: value != null) [
|
||||
cfg.config cfg.extraConfig
|
||||
])));
|
||||
message = ''
|
||||
Configuration of krb5.conf by deprecated options is mutually exclusive
|
||||
with configuration by section. Please migrate your config using the
|
||||
attributes suggested in the warnings.
|
||||
'';
|
||||
}
|
||||
{ assertion = !(cfg.config != null
|
||||
&& ((builtins.any (value: value != {}) [
|
||||
cfg.libdefaults cfg.realms cfg.domain_realm cfg.capaths
|
||||
cfg.appdefaults cfg.plugins
|
||||
]) || (builtins.any (value: value != null) [
|
||||
cfg.extraConfig cfg.defaultRealm cfg.domainRealm cfg.kdc
|
||||
cfg.kerberosAdminServer
|
||||
])));
|
||||
message = ''
|
||||
Configuration of krb5.conf using krb.config is mutually exclusive with
|
||||
configuration by section. If you want to mix the two, you can pass
|
||||
lines to any configuration section or lines to krb5.extraConfig.
|
||||
'';
|
||||
}
|
||||
];
|
||||
};
|
||||
}
|
||||
@ -9,7 +9,7 @@
|
||||
./config/fonts/ghostscript.nix
|
||||
./config/gnu.nix
|
||||
./config/i18n.nix
|
||||
./config/krb5.nix
|
||||
./config/krb5/default.nix
|
||||
./config/ldap.nix
|
||||
./config/networking.nix
|
||||
./config/no-x-libs.nix
|
||||
|
||||
5
nixos/tests/krb5/default.nix
Normal file
5
nixos/tests/krb5/default.nix
Normal file
@ -0,0 +1,5 @@
|
||||
{ system ? builtins.currentSystem }:
|
||||
{
|
||||
example-config = import ./example-config.nix { inherit system; };
|
||||
deprecated-config = import ./deprecated-config.nix { inherit system; };
|
||||
}
|
||||
48
nixos/tests/krb5/deprecated-config.nix
Normal file
48
nixos/tests/krb5/deprecated-config.nix
Normal file
@ -0,0 +1,48 @@
|
||||
# Verifies that the configuration suggested in deprecated example values
|
||||
# will result in the expected output.
|
||||
|
||||
import ../make-test.nix ({ pkgs, ...} : {
|
||||
name = "krb5-with-deprecated-config";
|
||||
meta = with pkgs.stdenv.lib.maintainers; {
|
||||
maintainers = [ eqyiel ];
|
||||
};
|
||||
|
||||
machine =
|
||||
{ config, pkgs, ... }: {
|
||||
krb5 = {
|
||||
enable = true;
|
||||
defaultRealm = "ATHENA.MIT.EDU";
|
||||
domainRealm = "athena.mit.edu";
|
||||
kdc = "kerberos.mit.edu";
|
||||
kerberosAdminServer = "kerberos.mit.edu";
|
||||
};
|
||||
};
|
||||
|
||||
testScript =
|
||||
let snapshot = pkgs.writeText "krb5-with-deprecated-config.conf" ''
|
||||
[libdefaults]
|
||||
default_realm = ATHENA.MIT.EDU
|
||||
|
||||
[realms]
|
||||
ATHENA.MIT.EDU = {
|
||||
admin_server = kerberos.mit.edu
|
||||
kdc = kerberos.mit.edu
|
||||
}
|
||||
|
||||
[domain_realm]
|
||||
.athena.mit.edu = ATHENA.MIT.EDU
|
||||
athena.mit.edu = ATHENA.MIT.EDU
|
||||
|
||||
[capaths]
|
||||
|
||||
|
||||
[appdefaults]
|
||||
|
||||
|
||||
[plugins]
|
||||
|
||||
'';
|
||||
in ''
|
||||
$machine->succeed("diff /etc/krb5.conf ${snapshot}");
|
||||
'';
|
||||
})
|
||||
106
nixos/tests/krb5/example-config.nix
Normal file
106
nixos/tests/krb5/example-config.nix
Normal file
@ -0,0 +1,106 @@
|
||||
# Verifies that the configuration suggested in (non-deprecated) example values
|
||||
# will result in the expected output.
|
||||
|
||||
import ../make-test.nix ({ pkgs, ...} : {
|
||||
name = "krb5-with-example-config";
|
||||
meta = with pkgs.stdenv.lib.maintainers; {
|
||||
maintainers = [ eqyiel ];
|
||||
};
|
||||
|
||||
machine =
|
||||
{ config, pkgs, ... }: {
|
||||
krb5 = {
|
||||
enable = true;
|
||||
kerberos = pkgs.krb5Full;
|
||||
libdefaults = {
|
||||
default_realm = "ATHENA.MIT.EDU";
|
||||
};
|
||||
realms = {
|
||||
"ATHENA.MIT.EDU" = {
|
||||
admin_server = "athena.mit.edu";
|
||||
kdc = "athena.mit.edu";
|
||||
};
|
||||
};
|
||||
domain_realm = {
|
||||
"example.com" = "EXAMPLE.COM";
|
||||
".example.com" = "EXAMPLE.COM";
|
||||
};
|
||||
capaths = {
|
||||
"ATHENA.MIT.EDU" = {
|
||||
"EXAMPLE.COM" = ".";
|
||||
};
|
||||
"EXAMPLE.COM" = {
|
||||
"ATHENA.MIT.EDU" = ".";
|
||||
};
|
||||
};
|
||||
appdefaults = {
|
||||
pam = {
|
||||
debug = false;
|
||||
ticket_lifetime = 36000;
|
||||
renew_lifetime = 36000;
|
||||
max_timeout = 30;
|
||||
timeout_shift = 2;
|
||||
initial_timeout = 1;
|
||||
};
|
||||
};
|
||||
plugins = {
|
||||
ccselect = {
|
||||
disable = "k5identity";
|
||||
};
|
||||
};
|
||||
extraConfig = ''
|
||||
[logging]
|
||||
kdc = SYSLOG:NOTICE
|
||||
admin_server = SYSLOG:NOTICE
|
||||
default = SYSLOG:NOTICE
|
||||
'';
|
||||
};
|
||||
};
|
||||
|
||||
testScript =
|
||||
let snapshot = pkgs.writeText "krb5-with-example-config.conf" ''
|
||||
[libdefaults]
|
||||
default_realm = ATHENA.MIT.EDU
|
||||
|
||||
[realms]
|
||||
ATHENA.MIT.EDU = {
|
||||
admin_server = athena.mit.edu
|
||||
kdc = athena.mit.edu
|
||||
}
|
||||
|
||||
[domain_realm]
|
||||
.example.com = EXAMPLE.COM
|
||||
example.com = EXAMPLE.COM
|
||||
|
||||
[capaths]
|
||||
ATHENA.MIT.EDU = {
|
||||
EXAMPLE.COM = .
|
||||
}
|
||||
EXAMPLE.COM = {
|
||||
ATHENA.MIT.EDU = .
|
||||
}
|
||||
|
||||
[appdefaults]
|
||||
pam = {
|
||||
debug = false
|
||||
initial_timeout = 1
|
||||
max_timeout = 30
|
||||
renew_lifetime = 36000
|
||||
ticket_lifetime = 36000
|
||||
timeout_shift = 2
|
||||
}
|
||||
|
||||
[plugins]
|
||||
ccselect = {
|
||||
disable = k5identity
|
||||
}
|
||||
|
||||
[logging]
|
||||
kdc = SYSLOG:NOTICE
|
||||
admin_server = SYSLOG:NOTICE
|
||||
default = SYSLOG:NOTICE
|
||||
'';
|
||||
in ''
|
||||
$machine->succeed("diff /etc/krb5.conf ${snapshot}");
|
||||
'';
|
||||
})
|
||||
Loading…
Reference in New Issue
Block a user