WIP: Move krb5 realm to pvv.local, make sane ldap structure

base/networking.nix

@@ -3,6 +3,10 @@
   systemd.network.enable = true;
   networking.domain = "pvv.ntnu.no";
   networking.useDHCP = false;
+  # networking.search = [ "pvv.ntnu.no" "pvv.org" ];
+  # networking.nameservers = lib.mkDefault [ "129.241.0.200" "129.241.0.201" ];
+  # networking.tempAddresses = lib.mkDefault "disabled";
+  # networking.defaultGateway = values.hosts.gateway;
 
   # The rest of the networking configuration is usually sourced from /values.nix
 

base/programs.nix

@@ -19,6 +19,9 @@
     # Check computer specs
     lshw
 
+    # Check who is keeping open files
+    lsof
+
     # Scan for open ports with netstat
     net-tools
 

flake.lock

@@ -233,11 +233,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1769484787,
-        "narHash": "sha256-ufhG9uSA8cCEk/97D/7xQEKcO/ftr4IPRH+HQFaKNdE=",
-        "rev": "999ca0e5484922624254294ea1adc2b90081579e",
+        "lastModified": 1769724120,
+        "narHash": "sha256-oQBM04hQk1kotfv4qmIG1tHmuwODd1+hqRJE5TELeCE=",
+        "rev": "8ec59ed5093c2a742d7744e9ecf58f358aa4a87d",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/25.11-small/nixos-25.11.4804.999ca0e54849/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/25.11-small/nixos-25.11.4961.8ec59ed5093c/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -261,11 +261,11 @@
     },
     "nixpkgs-unstable": {
       "locked": {
-        "lastModified": 1769434638,
-        "narHash": "sha256-u19M4QdjvjEySkGhP4fUNyY6rqAbPCdQf/AFw04CkQU=",
-        "rev": "9c2822d7024c032e66000a8b8a47e91b4e63ffc8",
+        "lastModified": 1769813739,
+        "narHash": "sha256-RmNWW1DQczvDwBHu11P0hGwJZxbngdoymVu7qkwq/2M=",
+        "rev": "16a3cae5c2487b1afa240e5f2c1811f172419558",
         "type": "tarball",
-        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-26.05pre935000.9c2822d7024c/nixexprs.tar.xz"
+        "url": "https://releases.nixos.org/nixos/unstable-small/nixos-26.05pre937548.16a3cae5c248/nixexprs.tar.xz"
       },
       "original": {
         "type": "tarball",
@@ -364,11 +364,11 @@
         "rust-overlay": "rust-overlay_3"
       },
       "locked": {
-        "lastModified": 1769325266,
-        "narHash": "sha256-q2G2NG7I1tvfFK4GDnn3vt1CCg0GN4ncdo0NSY+Q2Nc=",
+        "lastModified": 1769834595,
+        "narHash": "sha256-P1jrO7BxHyIKDuOXHuUb7bi4H2TuYnACW5eqf1gG47g=",
         "ref": "main",
-        "rev": "23b163e828901cb981eec6f3262e922f437f850b",
-        "revCount": 45,
+        "rev": "def4eec2d59a69b4638b3f25d6d713b703b2fa56",
+        "revCount": 49,
         "type": "git",
         "url": "https://git.pvv.ntnu.no/Projects/roowho2.git"
       },

flake.nix

@@ -205,6 +205,8 @@
         ];
       };
 
+      dagali = unstableNixosConfig "dagali" { };
+
       brzeczyszczykiewicz = stableNixosConfig "brzeczyszczykiewicz" {
         modules = [
           inputs.grzegorz-clients.nixosModules.grzegorz-webui

hosts/bekkalokk/services/mediawiki/default.nix

@@ -56,6 +56,7 @@ in {
       rrsyncArgs.ro = true;
       authorizedKeysAttrs = [
         "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
         "no-agent-forwarding"
         "no-port-forwarding"
         "no-pty"

hosts/bekkalokk/services/vaultwarden.nix

@@ -1,4 +1,4 @@
-{ config, pkgs, lib, ... }:
+{ config, pkgs, lib, values, ... }:
 let
   cfg = config.services.vaultwarden;
   domain = "pw.pvv.ntnu.no";
@@ -99,4 +99,21 @@ in {
       ];
     };
   };
+
+  services.rsync-pull-targets = {
+    enable = true;
+    locations."/var/lib/vaultwarden" = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIB2cDaW52gBtLVaNqoGijvN2ZAVkAWlII5AXUzT3Dswj vaultwarden rsync backup";
+    };
+  };
 }

hosts/bekkalokk/services/webmail/snappymail.nix

@@ -1,4 +1,4 @@
-{ config, lib, fp, pkgs, ... }:
+{ config, lib, fp, pkgs, values, ... }:
 let
   cfg = config.services.snappymail;
 in {
@@ -14,5 +14,21 @@ in {
     enableACME = true;
     kTLS = true;
   };
-}
 
+  services.rsync-pull-targets = {
+    enable = true;
+    locations.${cfg.dataDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJENMnuNsHEeA91oX+cj7Qpex2defSXP/lxznxCAqV03 snappymail rsync backup";
+    };
+  };
+}

hosts/bicep/configuration.nix

@@ -9,8 +9,8 @@
     ./services/calendar-bot.nix
     #./services/git-mirrors
     ./services/minecraft-heatmap.nix
-    ./services/mysql.nix
-    ./services/postgres.nix
+    ./services/mysql
+    ./services/postgresql
 
     ./services/matrix
   ];

hosts/bicep/services/matrix/synapse.nix

@@ -34,6 +34,7 @@ in {
       rrsyncArgs.ro = true;
       authorizedKeysAttrs = [
         "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
         "no-agent-forwarding"
         "no-port-forwarding"
         "no-pty"

hosts/bicep/services/mysql/backup.nix

@@ -0,0 +1,83 @@
+{ config, lib, pkgs, values, ... }:
+let
+  cfg = config.services.mysql;
+  backupDir = "/data/mysql-backups";
+in
+{
+  # services.mysqlBackup = lib.mkIf cfg.enable {
+  #   enable = true;
+  #   location = "/var/lib/mysql-backups";
+  # };
+
+  systemd.tmpfiles.settings."10-mysql-backups".${backupDir}.d = {
+	  user = "mysql";
+	  group = "mysql";
+	  mode = "700";
+	};
+
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations.${backupDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJgj55/7Cnj4cYMJ5sIkl+OwcGeBe039kXJTOf2wvo9j mysql rsync backup";
+    };
+  };
+
+  # NOTE: instead of having the upstream nixpkgs postgres backup unit trigger
+  #       another unit, it was easier to just make one ourselves.
+  systemd.services."backup-mysql" = lib.mkIf cfg.enable {
+    description = "Backup MySQL data";
+    requires = [ "mysql.service" ];
+
+    path = with pkgs; [
+      cfg.package
+      coreutils
+      zstd
+    ];
+
+    script = let
+      rotations = 2;
+    in ''
+      set -euo pipefail
+
+      OUT_FILE="$STATE_DIRECTORY/mysql-dump-$(date --iso-8601).sql.zst"
+
+      mysqldump --all-databases | zstd --compress -9 --rsyncable -o "$OUT_FILE"
+
+      # NOTE: this needs to be a hardlink for rrsync to allow sending it
+      rm "$STATE_DIRECTORY/mysql-dump-latest.sql.zst" ||:
+      ln -T "$OUT_FILE" "$STATE_DIRECTORY/mysql-dump-latest.sql.zst"
+
+      while [ "$(find "$STATE_DIRECTORY" -type f -printf '.' | wc -c)" -gt ${toString (rotations + 1)} ]; do
+        rm "$(find "$STATE_DIRECTORY" -type f -printf '%T+ %p\n' | sort | head -n 1 | cut -d' ' -f2)"
+      done
+    '';
+
+    serviceConfig = {
+      Type = "oneshot";
+      User = "mysql";
+      Group = "mysql";
+      UMask = "0077";
+
+      Nice = 19;
+      IOSchedulingClass = "best-effort";
+      IOSchedulingPriority = 7;
+
+      StateDirectory = [ "mysql-backups" ];
+      BindPaths = [ "${backupDir}:/var/lib/mysql-backups" ];
+
+      # TODO: hardening
+    };
+
+    startAt = "*-*-* 02:15:00";
+  };
+}

hosts/bicep/services/mysql/default.nix

@@ -4,6 +4,8 @@ let
   dataDir = "/data/mysql";
 in
 {
+  imports = [ ./backup.nix ];
+
   sops.secrets."mysql/password" = {
     owner = "mysql";
     group = "mysql";
@@ -42,27 +44,6 @@ in
     }];
   };
 
-  services.mysqlBackup = lib.mkIf cfg.enable {
-    enable = true;
-    location = "/var/lib/mysql-backups";
-  };
-
-  services.rsync-pull-targets = lib.mkIf cfg.enable {
-    enable = true;
-    locations.${config.services.mysqlBackup.location} = {
-      user = "root";
-      rrsyncArgs.ro = true;
-      authorizedKeysAttrs = [
-        "restrict"
-        "no-agent-forwarding"
-        "no-port-forwarding"
-        "no-pty"
-        "no-X11-forwarding"
-      ];
-      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJgj55/7Cnj4cYMJ5sIkl+OwcGeBe039kXJTOf2wvo9j mysql rsync backup";
-    };
-  };
-
   networking.firewall.allowedTCPPorts = lib.mkIf cfg.enable [ 3306 ];
 
   systemd.tmpfiles.settings."10-mysql".${dataDir}.d = lib.mkIf cfg.enable {

hosts/bicep/services/postgresql/backup.nix

@@ -0,0 +1,84 @@
+{ config, lib, pkgs, values, ... }:
+let
+  cfg = config.services.postgresql;
+  backupDir = "/data/postgresql-backups";
+in
+{
+  # services.postgresqlBackup = lib.mkIf cfg.enable {
+  #   enable = true;
+  #   location = "/var/lib/postgresql-backups";
+  #   backupAll = true;
+  # };
+
+  systemd.tmpfiles.settings."10-postgresql-backups".${backupDir}.d = {
+	  user = "postgres";
+	  group = "postgres";
+	  mode = "700";
+	};
+
+  services.rsync-pull-targets = lib.mkIf cfg.enable {
+    enable = true;
+    locations.${backupDir} = {
+      user = "root";
+      rrsyncArgs.ro = true;
+      authorizedKeysAttrs = [
+        "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
+        "no-agent-forwarding"
+        "no-port-forwarding"
+        "no-pty"
+        "no-X11-forwarding"
+      ];
+      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGvO7QX7QmwSiGLXEsaxPIOpAqnJP3M+qqQRe5dzf8gJ postgresql rsync backup";
+    };
+  };
+
+  # NOTE: instead of having the upstream nixpkgs postgres backup unit trigger
+  #       another unit, it was easier to just make one ourselves
+  systemd.services."backup-postgresql" = {
+    description = "Backup PostgreSQL data";
+    requires = [ "postgresql.service" ];
+
+    path = with pkgs; [
+      coreutils
+      zstd
+      cfg.package
+    ];
+
+    script = let
+      rotations = 2;
+    in ''
+      set -euo pipefail
+
+      OUT_FILE="$STATE_DIRECTORY/postgresql-dump-$(date --iso-8601).sql.zst"
+
+      pg_dumpall -U postgres | zstd --compress -9 --rsyncable -o "$OUT_FILE"
+
+      # NOTE: this needs to be a hardlink for rrsync to allow sending it
+      rm "$STATE_DIRECTORY/postgresql-dump-latest.sql.zst" ||:
+      ln -T "$OUT_FILE" "$STATE_DIRECTORY/postgresql-dump-latest.sql.zst"
+
+      while [ "$(find "$STATE_DIRECTORY" -type f -printf '.' | wc -c)" -gt ${toString (rotations + 1)} ]; do
+        rm "$(find "$STATE_DIRECTORY" -type f -printf '%T+ %p\n' | sort | head -n 1 | cut -d' ' -f2)"
+      done
+    '';
+
+    serviceConfig = {
+      Type = "oneshot";
+      User = "postgres";
+      Group = "postgres";
+      UMask = "0077";
+
+      Nice = 19;
+      IOSchedulingClass = "best-effort";
+      IOSchedulingPriority = 7;
+
+      StateDirectory = [ "postgresql-backups" ];
+      BindPaths = [ "${backupDir}:/var/lib/postgresql-backups" ];
+
+      # TODO: hardening
+    };
+
+    startAt = "*-*-* 01:15:00";
+  };
+}

hosts/bicep/services/postgresql/default.nix

@@ -3,6 +3,8 @@ let
   cfg = config.services.postgresql;
 in
 {
+  imports = [ ./backup.nix ];
+
   services.postgresql = {
     enable = true;
     package = pkgs.postgresql_18;
@@ -121,26 +123,4 @@ in
 
   networking.firewall.allowedTCPPorts = lib.mkIf cfg.enable [ 5432 ];
   networking.firewall.allowedUDPPorts = lib.mkIf cfg.enable [ 5432 ];
-
-  services.postgresqlBackup = lib.mkIf cfg.enable {
-    enable = true;
-    location = "/var/lib/postgres-backups";
-    backupAll = true;
-  };
-
-  services.rsync-pull-targets = lib.mkIf cfg.enable {
-    enable = true;
-    locations.${config.services.postgresqlBackup.location} = {
-      user = "root";
-      rrsyncArgs.ro = true;
-      authorizedKeysAttrs = [
-        "restrict"
-        "no-agent-forwarding"
-        "no-port-forwarding"
-        "no-pty"
-        "no-X11-forwarding"
-      ];
-      publicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGvO7QX7QmwSiGLXEsaxPIOpAqnJP3M+qqQRe5dzf8gJ postgresql rsync backup";
-    };
-  };
 }

hosts/dagali/TODO.md

@@ -0,0 +1,78 @@
+# Tracking document for new PVV kerberos auth stack
+
+![Bensinstasjon på heimdal](https://bydelsnytt.no/wp-content/uploads/2022/08/esso_heimdal003.jpg)
+
+<div align="center">
+  Bensinstasjon på heimdal
+</div>
+
+### TODO:
+
+- [ ] setup heimdal
+  - [x] ensure running with systemd
+  - [x] compile smbk5pwd (part of openldap)
+  - [ ] set `modify -a -disallow-all-tix,requires-pre-auth default` declaratively
+  - [ ] fully initialize PVV.NTNU.NO
+    - [x] `kadmin -l init PVV.NTNU.NO`
+    - [x] add oysteikt/admin@PVV.NTNU.NO principal
+    - [x] add oysteikt@PVV.NTNU.NO principal
+    - [x] add krbtgt/PVV.NTNU.NO@PVV.NTNU.NO principal?
+      - why is this needed, and where is it documented?
+      - `kadmin check` seems to work under sudo?
+      - (it is included by default, just included as error message
+         in a weird state)
+
+    - [x] Ensure client is working correctly
+      - [x] Ensure kinit works on darbu
+      - [x] Ensure kpasswd works on darbu
+      - [x] Ensure kadmin get <user> (and other restricted commands) works on darbu
+
+    - [ ] Ensure kdc is working correctly
+      - [x] Ensure kinit works on dagali
+      - [x] Ensure kpasswd works on dagali
+      - [ ] Ensure kadmin get <user> (and other restricte commands) works on dagali
+
+    - [x] Fix FQDN
+      - https://github.com/NixOS/nixpkgs/issues/94011
+      - https://github.com/NixOS/nixpkgs/issues/261269
+      - Possibly fixed by disabling systemd-resolved
+
+- [ ] setup cyrus sasl
+  - [x] ensure running with systemd 
+  - [x] verify GSSAPI support plugin is installed
+    - `nix-shell -p cyrus_sasl --command pluginviewer`
+  - [x] create "host/localhost@PVV.NTNU.NO" and export to keytab
+  - [x] verify cyrus sasl is able to talk to heimdal
+    - `sudo testsaslauthd -u oysteikt -p <password>`
+  - [ ] provide ldap principal to cyrus sasl through keytab
+
+- [ ] setup openldap
+  - [x] ensure running with systemd
+  - [ ] verify openldap is able to talk to cyrus sasl
+  - [ ] create user for oysteikt in openldap
+  - [ ] authenticate openldap login through sasl
+    - does this require creating an ldap user?
+
+- [ ] fix smbk5pwd integration
+  - [x] add smbk5pwd schemas to openldap
+  - [x] create openldap db for smbk5pwd with overlays
+  - [ ] test to ensure that user sync is working
+  - [ ] test as user source (replace passwd)
+  - [ ] test as PAM auth source
+  - [ ] test as auth source for 3rd party appliation
+
+- [ ] Set up ldap administration panel
+  - Doesn't seem like there are many good ones out there. Maybe phpLDAPAdmin?
+
+- [ ] Set up kerberos SRV DNS entry
+
+### Information and URLS
+
+- OpenLDAP SASL: https://www.openldap.org/doc/admin24/sasl.html
+- Use a keytab: https://kb.iu.edu/d/aumh
+- 2 ways for openldap to auth: https://security.stackexchange.com/questions/65093/how-to-test-ldap-that-authenticates-with-kerberos
+- Cyrus guide OpenLDAP + SASL + GSSAPI: https://www.cyrusimap.org/sasl/sasl/faqs/openldap-sasl-gssapi.html
+- Configuring GSSAPI and Cyrus SASL: https://web.mit.edu/darwin/src/modules/passwordserver_sasl/cyrus_sasl/doc/gssapi.html
+- PVV Kerberos docs: https://wiki.pvv.ntnu.no/wiki/Drift/Kerberos
+- OpenLDAP smbk5pwd source: https://git.openldap.org/nivanova/openldap/-/tree/master/contrib/slapd-modules/smbk5pwd
+- saslauthd(8): https://linux.die.net/man/8/saslauthd

hosts/dagali/configuration.nix

@@ -0,0 +1,51 @@
+
+{ config, pkgs, values, lib, ... }:
+{
+  imports = [
+    ./hardware-configuration.nix
+    ../../base.nix
+    ../../misc/metrics-exporters.nix
+
+    ./services/heimdal.nix
+    #./services/openldap.nix
+    ./services/cyrus-sasl.nix
+  ];
+
+  # buskerud does not support efi?
+  # boot.loader.systemd-boot.enable = true;
+  # boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.grub.enable = true;
+  boot.loader.grub.device = "/dev/sda";
+
+  # resolved messes up FQDN coming from nscd
+  services.resolved.enable = false;
+
+  networking.hostName = "dagali";
+  networking.domain = lib.mkForce "pvv.local";
+  networking.hosts = {
+    "129.241.210.185" = [ "dagali.pvv.local" ];
+  };
+  #networking.search = [ "pvv.ntnu.no" "pvv.org" ];
+  networking.nameservers = [ "129.241.0.200" "129.241.0.201" ];
+  networking.tempAddresses = "disabled";
+  networking.networkmanager.enable = true;
+
+  systemd.network.networks."ens18" = values.defaultNetworkConfig // {
+    matchConfig.Name = "ens18";
+    address = with values.hosts.dagali; [ (ipv4 + "/25") (ipv6 + "/64") ];
+  };
+
+  # List packages installed in system profile
+  environment.systemPackages = with pkgs; [
+    # TODO: consider adding to base.nix
+    nix-output-monitor
+  ];
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.05"; # Did you read the comment?
+}

hosts/dagali/hardware-configuration.nix

@@ -0,0 +1,33 @@
+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/profiles/qemu-guest.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "virtio_pci" "virtio_scsi" "sd_mod" "sr_mod" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/4de345e2-be41-4d10-9b90-823b2c77e9b3";
+      fsType = "ext4";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/aa4b9a97-a7d8-4608-9f67-4ad084f1baf7"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.ens18.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+}

hosts/dagali/services/cyrus-sasl.nix

@@ -0,0 +1,21 @@
+{ config, ... }:
+let
+  cfg = config.services.saslauthd;
+in
+{
+  # TODO: This is seemingly required for openldap to authenticate
+  #       against kerberos, but I have no idea how to configure it as
+  #       such. Does it need a keytab? There's a binary "testsaslauthd"
+  #       that follows with `pkgs.cyrus_sasl` that might be useful.
+  services.saslauthd = {
+    enable = true;
+    mechanism = "kerberos5";
+    config = ''
+      mech_list: gs2-krb5 gssapi
+      keytab: /etc/krb5.keytab
+    '';
+  };
+
+  # TODO: maybe the upstream module should consider doing this?
+  environment.systemPackages = [ cfg.package ];
+}

hosts/dagali/services/heimdal.nix

@@ -0,0 +1,100 @@
+{ config, pkgs, lib, ... }:
+let
+  realm = "PVV.LOCAL";
+  cfg = config.security.krb5;
+in
+{
+  security.krb5 = {
+    enable = true;
+
+    # NOTE: This is required in order to build smbk5pwd, because of some nested includes.
+    #       We should open an issue upstream (heimdal, not nixpkgs), but this patch
+    #       will do for now.
+    package = pkgs.heimdal.overrideAttrs (prev: {
+      postInstall = prev.postInstall + ''
+        cp include/heim_threads.h $dev/include
+      '';
+    });
+
+    settings = {
+      realms.${realm} = {
+        kdc = [ "dagali.${lib.toLower realm}" ];
+        admin_server = "dagali.${lib.toLower realm}";
+        kpasswd_server = "dagali.${lib.toLower realm}";
+        default_domain = lib.toLower realm;
+        primary_kdc = "dagali.${lib.toLower realm}";
+      };
+
+      kadmin.default_keys = lib.concatStringsSep " " [
+        "aes256-cts-hmac-sha1-96:pw-salt"
+        "aes128-cts-hmac-sha1-96:pw-salt"
+      ];
+
+      libdefaults.default_etypes = lib.concatStringsSep " " [
+        "aes256-cts-hmac-sha1-96"
+        "aes128-cts-hmac-sha1-96"
+      ];
+
+      libdefaults = {
+        default_realm = realm;
+        dns_lookup_kdc = false;
+        dns_lookup_realm = false;
+      };
+
+      domain_realm = {
+        "${lib.toLower realm}" = realm;
+        ".${lib.toLower realm}" = realm;
+      };
+
+      logging = {
+        # kdc = "CONSOLE";
+        kdc = "SYSLOG:DEBUG:AUTH";
+        admin_server = "SYSLOG:DEBUG:AUTH";
+        default = "SYSLOG:DEBUG:AUTH";
+      };
+    };
+  };
+
+  services.kerberos_server = {
+    enable = true;
+    settings = {
+      realms.${realm} = {
+        dbname = "/var/lib/heimdal/heimdal";
+        mkey = "/var/lib/heimdal/m-key";
+        acl = [
+          {
+            principal = "kadmin/admin";
+            access = "all";
+          }
+          {
+            principal = "felixalb/admin";
+            access = "all";
+          }
+          {
+            principal = "oysteikt/admin";
+            access = "all";
+          }
+        ];
+      };
+      # kadmin.default_keys = lib.concatStringsSep " " [
+      #   "aes256-cts-hmac-sha1-96:pw-salt"
+      #   "aes128-cts-hmac-sha1-96:pw-salt"
+      # ];
+
+      # libdefaults.default_etypes = lib.concatStringsSep " " [
+      #   "aes256-cts-hmac-sha1-96"
+      #   "aes128-cts-hmac-sha1-96"
+      # ];
+
+      # password_quality.min_length = 8;
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 88 464 749 ];
+  networking.firewall.allowedUDPPorts = [ 88 464 749 ];
+
+  networking.hosts = {
+    "127.0.0.2" = lib.mkForce [ ];
+    "::1" = lib.mkForce [ ];
+  };
+}

hosts/dagali/services/openldap.nix

@@ -0,0 +1,121 @@
+{ config, pkgs, lib, ... }:
+{
+  services.openldap = let
+    dn = "dc=pvv,dc=ntnu,dc=no";
+    cfg = config.services.openldap;
+
+    heimdal = config.security.krb5.package;
+  in {
+    enable = true;
+
+    # NOTE: this is a custom build of openldap with support for
+    #       perl and kerberos.
+    package = pkgs.openldap.overrideAttrs (prev: {
+      # https://github.com/openldap/openldap/blob/master/configure
+      configureFlags = prev.configureFlags ++ [
+        # Connect to slapd via UNIX socket
+        "--enable-local"
+        # Cyrus SASL
+        "--enable-spasswd"
+        # Reverse hostname lookups
+        "--enable-rlookups"
+        # perl
+        "--enable-perl"
+      ];
+
+      buildInputs = prev.buildInputs ++ [
+        pkgs.perl
+	# NOTE: do not upstream this, it might not work with
+	#       MIT in the same way
+        heimdal
+      ];
+
+      extraContribModules = prev.extraContribModules ++ [
+        # https://git.openldap.org/openldap/openldap/-/tree/master/contrib/slapd-modules
+        "smbk5pwd"
+      ];
+    });
+
+    settings = {
+      attrs = {
+        olcLogLevel = [ "stats" "config" "args" ];
+
+        # olcAuthzRegexp = ''
+        #   gidNumber=.*\\\+uidNumber=0,cn=peercred,cn=external,cn=auth
+        #         "uid=heimdal,${dn2}"
+        # '';
+
+        # olcSaslSecProps = "minssf=0";
+      };
+
+      children = {
+        "cn=schema".includes = let
+          # NOTE: needed for smbk5pwd.so module
+          schemaToLdif = name: path: pkgs.runCommandNoCC name {
+            buildInputs = with pkgs; [ schema2ldif ];
+          } ''
+            schema2ldif "${path}" > $out
+          '';
+
+          hdb-ldif = schemaToLdif "hdb.ldif" "${heimdal.src}/lib/hdb/hdb.schema";
+          samba-ldif = schemaToLdif "samba.ldif" "${heimdal.src}/tests/ldap/samba.schema";
+        in [
+           "${cfg.package}/etc/schema/core.ldif"
+           "${cfg.package}/etc/schema/cosine.ldif"
+           "${cfg.package}/etc/schema/nis.ldif"
+           "${cfg.package}/etc/schema/inetorgperson.ldif"
+           "${hdb-ldif}"
+           "${samba-ldif}"
+        ];
+
+        # NOTE: installation of smbk5pwd.so module
+        #       https://git.openldap.org/openldap/openldap/-/tree/master/contrib/slapd-modules/smbk5pwd
+        "cn=module{0}".attrs = {
+          objectClass = [ "olcModuleList" ];
+          olcModuleLoad = [ "${cfg.package}/lib/modules/smbk5pwd.so" ];
+        };
+
+        # NOTE: activation of smbk5pwd.so module for {1}mdb
+        "olcOverlay={0}smbk5pwd,olcDatabase={1}mdb".attrs = {
+          objectClass = [ "olcOverlayConfig" "olcSmbK5PwdConfig" ];
+          olcOverlay = "{0}smbk5pwd";
+          olcSmbK5PwdEnable = [ "krb5" "samba" ];
+          olcSmbK5PwdMustChange = toString (60 * 60 * 24 * 10000);
+        };
+
+        "olcDatabase={1}mdb".attrs = {
+          objectClass = [ "olcDatabaseConfig" "olcMdbConfig" ];
+
+          olcDatabase = "{1}mdb";
+
+          olcSuffix = dn;
+
+          # TODO: PW is supposed to be a secret, but it's probably fine for testing
+          olcRootDN = "cn=users,${dn}";
+
+          # TODO: replace with proper secret
+          olcRootPW.path = pkgs.writeText "olcRootPW" "pass";
+
+          olcDbDirectory = "/var/lib/openldap/test-smbk5pwd-db";
+          olcDbIndex = "objectClass eq";
+
+          olcAccess = [
+            ''{0}to attrs=userPassword,shadowLastChange
+                by dn.exact=cn=users,${dn} write
+                by self write
+                by anonymous auth
+                by * none''
+
+            ''{1}to dn.base=""
+                by * read''
+
+            /* allow read on anything else */
+            # ''{2}to *
+            #     by cn=users,${dn} write by dn.exact=gidNumber=0+uidNumber=0+cn=peercred,cn=external write
+            #     by * read''
+          ];
+        };
+      };
+    };
+  };
+}

hosts/ildkule/services/monitoring/dashboards/mysql.json

@@ -13,7 +13,7 @@
     ]
   },
   "description": "",
-  "editable": true,
+  "editable": false,
   "gnetId": 11323,
   "graphTooltip": 1,
   "id": 31,
@@ -1899,7 +1899,7 @@
       "dashes": false,
       "datasource": "$datasource",
       "decimals": 0,
-      "description": "***System Memory***: Total Memory for the system.\\\n***InnoDB Buffer Pool Data***: InnoDB maintains a storage area called the buffer pool for caching data and indexes in memory.\\\n***TokuDB Cache Size***: Similar in function to the InnoDB Buffer Pool,  TokuDB will allocate 50% of the installed RAM for its own cache.\\\n***Key Buffer Size***: Index blocks for MYISAM tables are buffered and are shared by all threads. key_buffer_size is the size of the buffer used for index blocks.\\\n***Adaptive Hash Index Size***: When InnoDB notices that some index values are being accessed very frequently, it builds a hash index for them in memory on top of B-Tree indexes.\\\n ***Query Cache Size***: The query cache stores the text of a SELECT statement together with the corresponding result that was sent to the client. The query cache has huge scalability problems in that only one thread can do an operation in the query cache at the same time.\\\n***InnoDB Dictionary Size***: The data dictionary is InnoDB 's internal catalog of tables. InnoDB stores the data dictionary on disk, and loads entries into memory while the server is running.\\\n***InnoDB Log Buffer Size***: The MySQL InnoDB log buffer allows transactions to run without having to write the log to disk before the transactions commit.",
+      "description": "***System Memory***: Total Memory for the system.\\\n***InnoDB Buffer Pool Data***: InnoDB maintains a storage area called the buffer pool for caching data and indexes in memory.\\\n***TokuDB Cache Size***: Similar in function to the InnoDB Buffer Pool,  TokuDB will allocate 50% of the installed RAM for its own cache.\\\n***Key Buffer Size***: Index blocks for MYISAM tables are buffered and are shared by all threads. key_buffer_size is the size of the buffer used for index blocks.\\\n***Adaptive Hash Index Size***: When InnoDB notices that some index values are being accessed very frequently, it builds a hash index for them in memory on top of B-Tree indexes.\\\n ***Query Cache Size***: The query cache stores the text of a SELECT statement together with the corresponding result that was sent to the client. The query cache has huge scalability problems in that only one thread can do an operation in the query cache at the same time.\\\n***InnoDB Dictionary Size***: The data dictionary is InnoDB ‘s internal catalog of tables. InnoDB stores the data dictionary on disk, and loads entries into memory while the server is running.\\\n***InnoDB Log Buffer Size***: The MySQL InnoDB log buffer allows transactions to run without having to write the log to disk before the transactions commit.",
       "editable": true,
       "error": false,
       "fieldConfig": {
@@ -3690,7 +3690,7 @@
         },
         "hide": 0,
         "includeAll": false,
-        "label": "Data Source",
+        "label": "Data source",
         "multi": false,
         "name": "datasource",
         "options": [],
@@ -3713,12 +3713,12 @@
         "definition": "label_values(mysql_up, job)",
         "hide": 0,
         "includeAll": true,
-        "label": "job",
+        "label": "Job",
         "multi": true,
         "name": "job",
         "options": [],
         "query": "label_values(mysql_up, job)",
-        "refresh": 1,
+        "refresh": 2,
         "regex": "",
         "skipUrlSync": false,
         "sort": 0,
@@ -3742,12 +3742,12 @@
         "definition": "label_values(mysql_up, instance)",
         "hide": 0,
         "includeAll": true,
-        "label": "instance",
+        "label": "Instance",
         "multi": true,
         "name": "instance",
         "options": [],
         "query": "label_values(mysql_up, instance)",
-        "refresh": 1,
+        "refresh": 2,
         "regex": "",
         "skipUrlSync": false,
         "sort": 0,

hosts/ildkule/services/monitoring/dashboards/postgres.json

@@ -328,7 +328,7 @@
         "rgba(50, 172, 45, 0.97)"
       ],
       "datasource": "${DS_PROMETHEUS}",
-      "format": "decbytes",
+      "format": "short",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,
@@ -411,7 +411,7 @@
         "rgba(50, 172, 45, 0.97)"
       ],
       "datasource": "${DS_PROMETHEUS}",
-      "format": "decbytes",
+      "format": "short",
       "gauge": {
         "maxValue": 100,
         "minValue": 0,
@@ -1410,7 +1410,7 @@
       "tableColumn": "",
       "targets": [
         {
-          "expr": "pg_settings_seq_page_cost",
+          "expr": "pg_settings_seq_page_cost{instance=\"$instance\"}",
           "format": "time_series",
           "intervalFactor": 1,
           "refId": "A"
@@ -1872,7 +1872,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -1966,7 +1966,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2060,7 +2060,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2251,7 +2251,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2439,7 +2439,7 @@
       },
       "yaxes": [
         {
-          "format": "bytes",
+          "format": "short",
           "label": null,
           "logBase": 1,
           "max": null,
@@ -2589,35 +2589,35 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_backend{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_backend_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_backend",
           "refId": "A"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_alloc{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_alloc_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_alloc",
           "refId": "B"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_backend_fsync{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_backend_fsync_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "backend_fsync",
           "refId": "C"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_checkpoint{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_checkpoint_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_checkpoint",
           "refId": "D"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_buffers_clean{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_buffers_clean_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "buffers_clean",
@@ -2886,14 +2886,14 @@
       "steppedLine": false,
       "targets": [
         {
-          "expr": "irate(pg_stat_bgwriter_checkpoint_write_time{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_checkpoint_write_time_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "write_time - Total amount of time that has been spent in the portion of checkpoint processing where files are written to disk.",
           "refId": "B"
         },
         {
-          "expr": "irate(pg_stat_bgwriter_checkpoint_sync_time{instance=\"$instance\"}[5m])",
+          "expr": "irate(pg_stat_bgwriter_checkpoint_sync_time_total{instance=\"$instance\"}[5m])",
           "format": "time_series",
           "intervalFactor": 1,
           "legendFormat": "sync_time - Total amount of time that has been spent in the portion of checkpoint processing where files are synchronized to disk.",
@@ -3164,4 +3164,4 @@
   "title": "PostgreSQL Database",
   "uid": "000000039",
   "version": 1
-}
+}

hosts/ildkule/services/monitoring/grafana.nix

@@ -47,13 +47,13 @@ in {
         {
           name = "Node Exporter Full";
           type = "file";
-          url = "https://grafana.com/api/dashboards/1860/revisions/29/download";
+          url = "https://grafana.com/api/dashboards/1860/revisions/42/download";
           options.path = dashboards/node-exporter-full.json;
         }
         {
           name = "Matrix Synapse";
           type = "file";
-          url = "https://raw.githubusercontent.com/matrix-org/synapse/develop/contrib/grafana/synapse.json";
+          url = "https://github.com/element-hq/synapse/raw/refs/heads/develop/contrib/grafana/synapse.json";
           options.path = dashboards/synapse.json;
         }
         {
@@ -65,15 +65,9 @@ in {
         {
           name = "Postgresql";
           type = "file";
-          url = "https://grafana.com/api/dashboards/9628/revisions/7/download";
+          url = "https://grafana.com/api/dashboards/9628/revisions/8/download";
           options.path = dashboards/postgres.json;
         }
-        {
-          name = "Go Processes (gogs)";
-          type = "file";
-          url = "https://grafana.com/api/dashboards/240/revisions/3/download";
-          options.path = dashboards/go-processes.json;
-        }
         {
           name = "Gitea Dashboard";
           type = "file";

hosts/kommode/services/gitea/default.nix

@@ -202,6 +202,7 @@ in {
       rrsyncArgs.ro = true;
       authorizedKeysAttrs = [
         "restrict"
+        "from=\"principal.pvv.ntnu.no,${values.hosts.principal.ipv6},${values.hosts.principal.ipv4}\""
         "no-agent-forwarding"
         "no-port-forwarding"
         "no-pty"

hosts/temmie/services/nfs-mounts.nix

@@ -1,7 +1,7 @@
 { lib, values, ... }:
 let
   # See microbel:/etc/exports
-  letters = [ "a" "b" "c" "d"  "h" "i" "j" "k" "l" "m" "z" ];
+  letters = [ "a" "b" "c" "d" "h" "i" "j" "k" "l" "m" "z" ];
 in
 {
   systemd.targets."pvv-homedirs" = {
@@ -52,9 +52,6 @@ in
       # TODO: are there cgi scripts that modify stuff in peoples homedirs?
       # "ro"
       "rw"
-
-      # TODO: can we enable this and still run cgi stuff?
-      # "noexec"
     ];
   }) letters;
 }

hosts/temmie/services/userweb.nix

@@ -1,27 +1,342 @@
-{ ... }:
+{ config, lib, pkgs, ... }:
+let
+  cfg = config.services.httpd;
+
+  homeLetters = [ "a" "b" "c" "d" "h" "i" "j" "k" "l" "m" "z" ];
+
+  # https://nixos.org/manual/nixpkgs/stable/#ssec-php-user-guide-installing-with-extensions
+  phpEnv = pkgs.php.buildEnv {
+    extensions = { all, ... }: with all; [
+      imagick
+      opcache
+      protobuf
+    ];
+
+    extraConfig = ''
+      display_errors=0
+      post_max_size = 40M
+      upload_max_filesize = 40M
+    '';
+  };
+
+  perlEnv = pkgs.perl.withPackages (ps: with ps; [
+    pkgs.exiftool
+    pkgs.ikiwiki
+    pkgs.irssi
+    pkgs.nix.libs.nix-perl-bindings
+
+    AlgorithmDiff
+    AnyEvent
+    AnyEventI3
+    ArchiveZip
+    CGI
+    CPAN
+    CPANPLUS
+    DBDPg
+    DBDSQLite
+    DBI
+    EmailAddress
+    EmailSimple
+    Env
+    Git
+    HTMLMason
+    HTMLParser
+    HTMLTagset
+    HTTPDAV
+    HTTPDaemon
+    ImageMagick
+    JSON
+    LWP
+    MozillaCA
+    PathTiny
+    Switch
+    SysSyslog
+    TestPostgreSQL
+    TextPDF
+    TieFile
+    Tk
+    URI
+    XMLLibXML
+  ]);
+
+  # https://nixos.org/manual/nixpkgs/stable/#python.buildenv-function
+  pythonEnv = pkgs.python3.buildEnv.override {
+    extraLibs = with pkgs.python3Packages; [
+      legacy-cgi
+
+      matplotlib
+      requests
+    ];
+    ignoreCollisions = true;
+  };
+
+  # https://nixos.org/manual/nixpkgs/stable/#sec-building-environment
+  fhsEnv = pkgs.buildEnv {
+    name = "userweb-env";
+    paths = with pkgs; [
+      bash
+
+      perlEnv
+      pythonEnv
+
+      phpEnv
+    ]
+    ++ (with phpEnv.packages; [
+      # composer
+    ])
+    ++ [
+      acl
+      aspell
+      autoconf
+      autotrash
+      bazel
+      bintools
+      bison
+      bsd-finger
+      catdoc
+      ccache
+      clang
+      cmake
+      coreutils-full
+      curl
+      devcontainer
+      diffutils
+      emacs
+      # exiftags
+      exiftool
+      ffmpeg
+      file
+      findutils
+      gawk
+      gcc
+      glibc
+      gnugrep
+      gnumake
+      gnupg
+      gnuplot
+      gnused
+      gnutar
+      gzip
+      html-tidy
+      imagemagick
+      inetutils
+      iproute2
+      jhead
+      less
+      libgcc
+      lndir
+      mailutils
+      man # TODO: does this one want a mandb instance?
+      meson
+      more
+      mpc
+      mpi
+      mplayer
+      ninja
+      nix
+      openssh
+      openssl
+      patchelf
+      pkg-config
+      ppp
+      procmail
+      procps
+      qemu
+      rc
+      rhash
+      rsync
+      ruby # TODO: does this one want systemwide packages?
+      salt
+      sccache
+      sourceHighlight
+      spamassassin
+      strace
+      subversion
+      system-sendmail
+      systemdMinimal
+      texliveMedium
+      tmux
+      unzip
+      util-linux
+      valgrind
+      vim
+      wget
+      which
+      wine
+      xdg-utils
+      zip
+      zstd
+    ];
+
+    extraOutputsToInstall = [
+      "man"
+      "doc"
+    ];
+  };
+in
 {
   services.httpd = {
     enable = true;
+    adminAddr = "drift@pvv.ntnu.no";
 
-    # extraModules = [];
+    # TODO: consider upstreaming systemd support
+    # TODO: mod_log_journald in v2.5
+    package = pkgs.apacheHttpd.overrideAttrs (prev: {
+      nativeBuildInputs = prev.nativeBuildInputs ++ [ pkgs.pkg-config ];
+      buildInputs = prev.buildInputs ++ [ pkgs.systemdLibs ];
+      configureFlags = prev.configureFlags ++ [ "--enable-systemd" ];
+    });
+
+    enablePHP = true;
+    phpPackage = phpEnv;
+
+    enablePerl = true;
+
+    # TODO: mod_log_journald in v2.5
+    extraModules = [
+      "systemd"
+      "userdir"
+      # TODO: I think the compilation steps of pkgs.apacheHttpdPackages.mod_perl might have some
+      #       incorrect or restrictive assumptions upstream, either nixpkgs or source
+      # {
+      #   name = "perl";
+      #   path = let
+      #     mod_perl = pkgs.apacheHttpdPackages.mod_perl.override {
+      #       apacheHttpd = cfg.package.out;
+      #       perl = perlEnv;
+      #     };
+      #   in "${mod_perl}/modules/mod_perl.so";
+      # }
+    ];
+
+    extraConfig = ''
+      TraceEnable on
+      LogLevel warn rewrite:trace3
+      ScriptLog ${cfg.logDir}/cgi.log
+    '';
 
     # virtualHosts."userweb.pvv.ntnu.no" = {
     virtualHosts."temmie.pvv.ntnu.no" = {
-
       forceSSL = true;
       enableACME = true;
+
+      extraConfig = ''
+        UserDir ${lib.concatMapStringsSep " " (l: "/home/pvv/${l}/*/web-docs") homeLetters}
+        UserDir disabled root
+        AddHandler cgi-script .cgi
+        DirectoryIndex index.html index.html.var index.php index.php3 index.cgi index.phtml index.shtml meg.html
+
+        <Directory "/home/pvv/?/*/web-docs">
+          Options MultiViews Indexes SymLinksIfOwnerMatch ExecCGI IncludesNoExec
+          AllowOverride All
+          Require all granted
+        </Directory>
+      '';
     };
   };
 
+  networking.firewall.allowedTCPPorts = [
+    80
+    443
+  ];
+
+  # socket activation comes in v2.5
+  # systemd.sockets.httpd = {
+  #   wantedBy = [ "sockets.target" ];
+  #   description = "HTTPD socket";
+  #   listenStreams = [
+  #     "0.0.0.0:80"
+  #     "0.0.0.0:443"
+  #   ];
+  # };
+
   systemd.services.httpd = {
     after = [ "pvv-homedirs.target" ];
     requires = [ "pvv-homedirs.target" ];
 
+    environment = {
+      PATH = lib.mkForce "/usr/bin";
+    };
+
     serviceConfig = {
+      Type = lib.mkForce "notify";
+
+      ExecStart = lib.mkForce "${cfg.package}/bin/httpd -D FOREGROUND -f /etc/httpd/httpd.conf -k start";
+      ExecReload = lib.mkForce "${cfg.package}/bin/httpd -f /etc/httpd/httpd.conf -k graceful";
+      ExecStop = lib.mkForce "";
+      KillMode = "mixed";
+
+      ConfigurationDirectory = [ "httpd" ];
+      LogsDirectory = [ "httpd" ];
+      LogsDirectoryMode = "0700";
+
+      CapabilityBoundingSet = [ "CAP_NET_BIND_SERVICE" ];
+      LockPersonality = true;
+      PrivateDevices = true;
+      PrivateTmp = true;
+      # NOTE: this removes CAP_NET_BIND_SERVICE...
+      # PrivateUsers = true;
+      ProtectClock = true;
+      ProtectControlGroups = true;
       ProtectHome = "tmpfs";
-      BindPaths = let
-        letters = [ "a" "b" "c" "d"  "h" "i" "j" "k" "l" "m" "z" ];
-      in map (l: "/run/pvv-home-mounts/${l}:/home/pvv/${l}") letters;
+      ProtectKernelLogs = true;
+      ProtectKernelModules = true;
+      ProtectSystem = true;
+      RemoveIPC = true;
+      RestrictAddressFamilies = [
+        "AF_INET"
+        "AF_INET6"
+        "AF_UNIX"
+        "AF_NETLINK"
+      ];
+      RestrictNamespaces = true;
+      RestrictRealtime = true;
+      RestrictSUIDSGID = true;
+      SocketBindDeny = "any";
+      SocketBindAllow = [
+        "tcp:80"
+        "tcp:443"
+      ];
+      SystemCallArchitectures = "native";
+      SystemCallFilter = [
+         "@system-service"
+      ];
+      UMask = "0077";
+
+      RuntimeDirectory = [ "httpd/root-mnt" ];
+      RootDirectory = "/run/httpd/root-mnt";
+      MountAPIVFS = true;
+      BindReadOnlyPaths = [
+        builtins.storeDir
+        "/etc"
+        # NCSD socket
+        "/var/run"
+        "/var/lib/acme"
+
+        "${fhsEnv}/bin:/bin"
+        "${fhsEnv}/sbin:/sbin"
+        "${fhsEnv}/lib:/lib"
+        "${fhsEnv}/share:/share"
+      ] ++ (lib.mapCartesianProduct ({ parent, child }: "${fhsEnv}${child}:${parent}${child}") {
+        parent = [
+          "/local"
+          "/opt"
+          "/opt/local"
+          "/store"
+          "/store/gnu"
+          "/usr"
+          "/usr/local"
+        ];
+        child = [
+          "/bin"
+          "/sbin"
+          "/lib"
+          "/libexec"
+          "/include"
+          "/share"
+        ];
+      });
+      BindPaths = map (l: "/run/pvv-home-mounts/${l}:/home/pvv/${l}") homeLetters;
     };
   };
 

packages/mediawiki-extensions/default.nix

@@ -33,63 +33,63 @@ in
 lib.mergeAttrsList [
   (mw-ext {
     name = "CodeEditor";
-    commit = "6e5b06e8cf2d040c0abb53ac3735f9f3c96a7a4f";
-    hash = "sha256-Jee+Ws9REUohywhbuemixXKaTRc54+cIlyUNDCyYcEM=";
+    commit = "83e1d0c13f34746f0d7049e38b00e9ab0a47c23f";
+    hash = "sha256-qH9fSQZGA+z6tBSh1DaTKLcujqA6K/vQmZML9w5X8mU=";
   })
   (mw-ext {
     name = "CodeMirror";
-    commit = "da9c5d4f03e6425f6f2cf68b75d21311e0f7e77e";
-    hash = "sha256-aL+v9xeqKHGmQVUWVczh54BkReu+fP49PT1NP7eTC6k=";
+    commit = "af2b08b9ad2b89a64b2626cf80b026c5b45e9922";
+    hash = "sha256-CxXPwCKUlF9Tg4JhwLaKQyvt43owq75jCugVtb3VX+I=";
   })
   (mw-ext {
     name = "DeleteBatch";
-    commit = "122072bbfb4eab96ed8c1451a3e74b5557054c58";
-    hash = "sha256-L6AXoyFJEZoAQpLO6knJvYtQ6JJPMtaa+WhpnwbJeNU=";
+    commit = "3d6f2fd0e3efdae1087dd0cc8b1f96fe0edf734f";
+    hash = "sha256-iD9EjDIW7AGpZan74SIRcr54dV8W7xMKIDjatjdVkKs=";
   })
   (mw-ext {
     name = "PluggableAuth";
-    commit = "5caf605b9dfdd482cb439d1ba2000cba37f8b018";
-    hash = "sha256-TYJqR9ZvaWJ7i1t0XfgUS05qqqCgxAH8tRTklz/Bmlg=";
+    commit = "85e96acd1ac0ebcdaa29c20eae721767a938f426";
+    hash = "sha256-bMVhrg8FsfWhXF605Cj5TgI0A6Jy/MIQ5aaUcLQQ0Ss=";
   })
   (mw-ext {
     name = "Popups";
-    commit = "7ed940a09f83f869cbc0bc20f3ca92f85b534951";
-    hash = "sha256-pcDPcu4kSvMHfSOuShrod694TKI9Oo3AEpMP9DXp9oY=";
+    commit = "410e2343c32a7b18dcdc2bbd995b0bfdf3bf5f37";
+    hash = "sha256-u2AlR75x54rCpiK9Mz00D9odJCn8fmi6DRU4QKmKqSc=";
   })
   (mw-ext {
     name = "Scribunto";
-    commit = "e755852a8e28a030a21ded2d5dd7270eb933b683";
-    hash = "sha256-zyI5nSE+KuodJOWyV0CQM7G0GfkKEgfoF/czi2/qk98=";
+    commit = "904f323f343dba5ff6a6cdd143c4a8ef5b7d2c55";
+    hash = "sha256-ZOVYhjMMyWbqwZOBb39hMIRmzzCPEnz2y8Q2jgyeERw=";
   })
   (mw-ext {
     name = "SimpleSAMLphp";
     kebab-name = "simple-saml-php";
-    commit = "d41b4efd3cc44ca3f9f12e35385fc64337873c2a";
-    hash = "sha256-wfzXtsEEEjQlW5QE4Rf8pasAW/KSJsLkrez13baxeqA=";
+    commit = "a2f77374713473d594e368de24539aebcc1a800a";
+    hash = "sha256-5+t3VQFKcrIffDNPJ4RWBIWS6K1gTOcEleYWmM6xWms=";
   })
   (mw-ext {
     name = "TemplateData";
-    commit = "fd7cf4d95a70ef564130266f2a6b18f33a2a2ff9";
-    hash = "sha256-5OhDPFhIi55Eh5+ovMP1QTjNBb9Sm/3vyArNCApAgSw=";
+    commit = "76a6a04bd13a606923847ba68750b5d98372cacd";
+    hash = "sha256-X2+U5PMqzkSljw2ypIvJUSaPDaonTkQx89OgKzf5scw=";
   })
   (mw-ext {
     name = "TemplateStyles";
-    commit = "0f7b94a0b094edee1c2a9063a3c42a1bdc0282d9";
-    hash = "sha256-R406FgNcIip9St1hurtZoPPykRQXBrkJRKA9hapG81I=";
+    commit = "7de60a8da6576d7930f293d19ef83529abf52704";
+    hash = "sha256-iPmFDoO5V4964CVyd1mBSQcNlW34odbvpm2CfDBlPBU=";
   })
   (mw-ext {
     name = "UserMerge";
-    commit = "d1917817dd287e7d883e879459d2d2d7bc6966f2";
-    hash = "sha256-la3/AQ38DMsrZ2f24T/z3yKzIrbyi3w6FIB5YfxGK9U=";
+    commit = "71eb53ff4289ac4efaa31685ab8b6483c165a584";
+    hash = "sha256-OfKSEPgctfr659oh5jf99T0Rzqn+60JhNaZq+2gfubk=";
   })
   (mw-ext {
     name = "VisualEditor";
-    commit = "032364cfdff33818e6ae0dfa251fe3973b0ae4f3";
-    hash = "sha256-AQDdq9r6rSo8h4u1ERonH14/1i1BgLGdzANEiQ065PU=";
+    commit = "a6a63f53605c4d596c3df1dcc2583ffd3eb8d929";
+    hash = "sha256-4d8picO66uzKoxh1TdyvKLHebc6ZL7N2DdXLV2vgBL4=";
   })
   (mw-ext {
     name = "WikiEditor";
-    commit = "cb9f7e06a9c59b6d3b31c653e5886b7f53583d01";
-    hash = "sha256-UWi3Ac+LCOLliLkXnS8YL0rD/HguuPH5MseqOm0z7s4=";
+    commit = "0a5719bb95326123dd0fee1f88658358321ed7be";
+    hash = "sha256-eQMyjhdm1E6TkktIHad1NMeMo8QNoO8z4A05FYOMCwQ=";
   })
 ]

values.nix

@@ -40,6 +40,10 @@ in rec {
       ipv4 = pvv-ipv4 168;
       ipv6 = pvv-ipv6 168;
     };
+    dagali = {
+      ipv4 = pvv-ipv4 185;
+      ipv6 = pvv-ipv6 185;
+    };
     ildkule = {
       ipv4 = "129.241.153.213";
       ipv4_internal = "192.168.12.209";
@@ -73,6 +77,10 @@ in rec {
       ipv4 = pvv-ipv4 179;
       ipv6 = pvv-ipv6 "1:2";
     };
+    principal = {
+      ipv4 = pvv-ipv4 233;
+      ipv6 = pvv-ipv6 "4:233";
+    };
     ustetind = {
       ipv4 = pvv-ipv4 234;
       ipv6 = pvv-ipv6 234;