X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=modules%2Fprivate%2Fsystem%2Fquatresaisons.nix;fp=modules%2Fprivate%2Fsystem%2Fquatresaisons.nix;h=395b604f3ce9b3067d3cf9026a94aafe1e20280f;hb=75489e72e379af8aeac64bc4967717d9ae776ff0;hp=0000000000000000000000000000000000000000;hpb=e43fdf341072e4a0150324196fc7af8f383860ec;p=perso%2FImmae%2FConfig%2FNix.git

diff --git a/modules/private/system/quatresaisons.nix b/modules/private/system/quatresaisons.nix
new file mode 100644
index 0000000..395b604
--- /dev/null
+++ b/modules/private/system/quatresaisons.nix
@@ -0,0 +1,449 @@
+{ privateFiles }:
+{ config, pkgs, lib, ... }:
+let
+  serverSpecificConfig = config.myEnv.serverSpecific.quatresaisons;
+  yarnModules = pkgs.yarn2nix-moretea.mkYarnModules rec {
+    name = "landing";
+    pname = name;
+    version = "v1.0.0";
+    packageJSON = "${pkgs.sources.webapps-landing}/package.json";
+    yarnLock = "${pkgs.sources.webapps-landing}/yarn.lock";
+    yarnNix = ../websites/tools/tools/landing/yarn-packages.nix;
+  };
+  toLanding = landingConfig: pkgs.stdenv.mkDerivation rec {
+    pname = "landing";
+    version = "v1.0.0";
+    src = pkgs.sources.webapps-landing;
+
+    buildInputs = [ yarnModules pkgs.yarn2nix-moretea.yarn ];
+    configurePhase = ''
+      ln -s ${yarnModules}/node_modules .
+    '';
+    buildPhase = ''
+      yarn build
+    '';
+    installPhase = ''
+      cp -a dist $out
+      cp -f ${landingConfig} $out/config.yml
+      ln -s service-worker.js $out/worker.js
+    '';
+  };
+  normalUsers = serverSpecificConfig.users;
+  sponsoredUser = pkgs.writeScriptBin "sponsored_user" ''
+    #!/usr/bin/env bash
+
+    set -euo pipefail
+    [ -z "''${SUDO_USER+x}" ] && echo "Must be run with sudo" && exit 1
+
+    mygroup=$(id -ng $SUDO_USER)
+
+    sponsored=$(getent group $mygroup | cut -d':' -f4)
+
+    echo "Sponsored users: ''${sponsored:-<none>}"
+
+    log () {
+      touch /var/log/sponsored_users
+      chmod go-rwx /var/log/sponsored_users
+      echo "`date` $mygroup $1" | LANG=C cat -v | tr '\012' ' ' | sed 's:$:\x0a:' >> /var/log/sponsored_users
+    }
+
+    create_user () {
+      log "creates $1: $2"
+      useradd -m -G users,$mygroup -g $mygroup -p '!' "$1"
+      touch /var/lib/nixos/sponsored_users
+      chmod go-rwx /var/lib/nixos/sponsored_users
+      echo "$mygroup $1 $2" >> /var/lib/nixos/sponsored_users
+      (${pkgs.openldap}/bin/ldapadd -c -D cn=root,dc=salle-s,dc=org \
+        -y /var/secrets/ldap/sync_password 2>/dev/null >/dev/null || true) <<EOF
+    dn: uid=$1,uid=$mygroup,ou=users,dc=salle-s,dc=org
+    objectClass: inetOrgPerson
+    cn: $1
+    description:: $(echo -n "$2" | base64)
+    sn: $1
+    uid: $1
+    EOF
+      while ! passwd "$1"; do
+        echo "please give an initial password"
+      done
+    }
+
+    delete_user () {
+      IFS=",";
+      for u in $sponsored; do
+      if [ "$u" = "$1" ]; then
+        log "deletes $1"
+        userdel -r "$1"
+        sed -i -e "/^$mygroup $1/d" /var/lib/nixos/sponsored_users
+        ${pkgs.openldap}/bin/ldapdelete -D cn=root,dc=salle-s,dc=org \
+          -y /var/secrets/ldap/sync_password \
+          "uid=$1,uid=$mygroup,ou=users,dc=salle-s,dc=org"
+        echo "deleted"
+        exit 0
+      fi
+      done
+
+      echo "User does not exist or does not belong to you";
+      exit 1
+    }
+
+    reset_password () {
+      IFS=",";
+      for u in $sponsored; do
+      if [ "$u" = "$1" ]; then
+        log "resets password for $1"
+        passwd "$1"
+        exit 0
+      fi
+      done
+
+      echo "User does not exist or does not belong to you";
+      exit 1
+    }
+
+    reset_ldap_password () {
+      if [ "$1" = "$mygroup" ]; then
+        log "resets web password"
+        ${pkgs.openldap}/bin/ldappasswd -D cn=root,dc=salle-s,dc=org \
+          -y /var/secrets/ldap/sync_password \
+          -S "uid=$mygroup,ou=users,dc=salle-s,dc=org"
+      else
+        IFS=",";
+        for u in $sponsored; do
+        if [ "$u" = "$1" ]; then
+          log "resets web password of $1"
+          ${pkgs.openldap}/bin/ldappasswd -D cn=root,dc=salle-s,dc=org \
+            -y /var/secrets/ldap/sync_password \
+            -S "uid=$1,uid=$mygroup,ou=users,dc=salle-s,dc=org"
+          exit 0
+        fi
+        done
+
+        echo "User does not exist or does not belong to you";
+        exit 1
+      fi
+    }
+
+    show_help () {
+      echo "sponsored_users create username realname"
+      echo "    create a new sub-user attached to your account"
+      echo "sponsored_users (delete|reset_password) username"
+      echo "    delete a sub-user attached to your account or reset his password"
+      echo "sponsored_users reset_ldap_password username"
+      echo "    reset the web password of a sub-user or yourself"
+    }
+
+    [ -z "''${1+x}" -o -z "''${2+x}" ] && { show_help ; exit 0; }
+    action="$1"
+    username="$2"
+    shift
+    shift
+
+    case "$action" in
+      create)
+        [ -z "''${1+x}" ] && { show_help ; echo "Conformément à la charte https://4c.salle-s.org/charte veuillez préciser le nom réel du futur utilisateur du compte $username, juste pour root." ; exit 1; }
+        create_user "$username" "$*";
+        ;;
+      delete)
+        delete_user "$username";
+        ;;
+      reset_password)
+        reset_password "$username";
+        ;;
+      reset_ldap_password)
+        reset_ldap_password "$username";
+        ;;
+      *)
+        show_help
+        ;;
+    esac
+  '';
+in
+{
+  deployment = {
+    targetUser = "root";
+    targetHost = config.hostEnv.ips.main.ip4;
+    substituteOnDestination = true;
+  };
+
+  programs.ssh.package = pkgs.openssh.overrideAttrs(old: {
+    PATH_PASSWD_PROG = "/run/wrappers/bin/passwd";
+    buildFlags = [ "SSH_KEYSIGN=/run/wrappers/bin/ssh-keysign" ];
+  });
+
+  imports = builtins.attrValues (import ../..) ++
+    [ ./quatresaisons/nextcloud.nix ./quatresaisons/databases.nix ];
+
+  myEnv = import "${privateFiles}/environment.nix" // { inherit privateFiles; };
+
+  fileSystems = {
+    "/"     = { device = "/dev/disk/by-uuid/865931b4-c5cc-439f-8e42-8072c7a30634"; fsType = "ext4"; };
+    "/home" = { device = "/dev/disk/by-uuid/76020bc4-5b88-464c-8952-9a59072c597f"; fsType = "ext4"; neededForBoot = true; };
+    "/boot" = { device = "/dev/disk/by-uuid/0fb8421a-61e5-4ed5-a795-4dd3a9b2152a"; fsType = "ext4"; };
+    "/var/lib" = { device = "/home/var_lib"; fsType = "none"; options = [ "defaults,bind" ]; };
+  };
+  powerManagement.cpuFreqGovernor = "powersave";
+  hardware.enableRedistributableFirmware = true;
+
+  boot.initrd.availableKernelModules = [ "ahci" "megaraid_sas" "sd_mod" ];
+  boot.initrd.kernelModules = [ "dm-snapshot" ];
+  boot.kernelModules = [ "kvm-intel" ];
+
+  boot.loader.grub.enable = true;
+  boot.loader.grub.version = 2;
+  boot.loader.grub.device = "/dev/sda";
+
+  networking.firewall.enable = false;
+  networking.firewall.allowedTCPPorts = [ 80 443 ];
+  networking.useDHCP = false;
+  networking.interfaces.eth0.useDHCP = true;
+  networking.interfaces.eth0.ipv6.addresses = [
+    { address = pkgs.lib.head config.hostEnv.ips.main.ip6; prefixLength = 64; }
+  ];
+  networking.defaultGateway6 = { address = "fe80::1"; interface = "eth0"; };
+  services.udev.extraRules = ''
+    ACTION=="add", SUBSYSTEM=="net", ATTR{address}=="c8:60:00:8b:2f:f0", NAME="eth0"
+  '';
+  security.pam.services.chage.text = ''
+    auth      sufficient pam_rootok.so
+    auth      required   pam_unix.so
+    account   required   pam_unix.so
+    session   required   pam_unix.so
+    password  required   pam_permit.so
+  '';
+  security.pam.services.sshd.makeHomeDir = true;
+  security.pam.services.passwd_default = {};
+  security.pam.services.passwd.text = ''
+    password        required        pam_cracklib.so enforce_for_root difok=2 minlen=8 dcredit=2 ocredit=2 retry=3
+  '' + config.security.pam.services.passwd_default.text;
+
+  system.activationScripts.ldapSync = {
+    deps = [ "secrets" "users" ];
+    text =
+      let
+        com = "-D cn=root,dc=salle-s,dc=org -y /var/secrets/ldap/sync_password";
+      in ''
+      # Add users
+      ${pkgs.openldap}/bin/ldapadd -c ${com} -f /var/secrets/ldap/ldaptree.ldif 2>/dev/null >/dev/null || true
+
+      # Remove obsolete users
+      ${pkgs.openldap}/bin/ldapsearch -LLL ${com} -s one -b "ou=users,dc=salle-s,dc=org" "uid" |\
+        grep "^uid" | ${pkgs.gnused}/bin/sed -e "s/uid: //" | while read ldapuser; do
+
+        for user in ${builtins.concatStringsSep " " (builtins.attrNames normalUsers)}; do
+          if [ "$user" = "$ldapuser" ]; then
+            continue 2
+          fi
+        done
+        ${pkgs.openldap}/bin/ldapdelete -r ${com} uid=$ldapuser,ou=users,dc=salle-s,dc=org
+      done
+
+      # Subusers
+      if [ -f /var/lib/nixos/sponsored_users ]; then
+        cat /var/lib/nixos/sponsored_users | while read mainUser subUser name; do
+          (${pkgs.openldap}/bin/ldapadd -c ${com} 2>/dev/null >/dev/null || true) <<EOF
+      dn: uid=$subUser,uid=$mainUser,ou=users,dc=salle-s,dc=org
+      objectClass: inetOrgPerson
+      cn: $subUser
+      description:: $(echo -n "$name" | base64)
+      sn: $subUser
+      uid: $subUser
+      EOF
+        done
+      fi
+    '';
+  };
+
+  secrets.keys = [
+    {
+      dest = "ldap/sync_password";
+      permissions = "0400";
+      text = serverSpecificConfig.ldap_sync_password;
+    }
+    {
+      dest = "ldap/ldaptree.ldif";
+      permissions = "0400";
+      text = serverSpecificConfig.ldap_service_users
+        + (builtins.concatStringsSep "\n" (lib.mapAttrsToList (n: v: ''
+        dn: uid=${n},ou=users,dc=salle-s,dc=org
+        objectClass: inetOrgPerson
+        cn: ${n}
+        description: ${v._meta.name or n} ${v._meta.email}
+        sn: ${n}
+        uid: ${n}
+      '') normalUsers));
+    }
+  ];
+
+  myServices.certificates.enable = true;
+  users.mutableUsers = true;
+  system.stateVersion = "21.03";
+  programs.zsh.enable = true;
+
+  users.motd = ''
+    Bienvenue sur quatresaisons.salle-s.org !
+
+    * Charte :
+      https://4c.salle-s.org/charte
+    * Gérer les utilisateurs unix additionnels :
+      sudo sponsored_user -h
+    * Applications web :
+      * tableau de bord : https://4c.salle-s.org/
+      * nextcloud : https://nextcloud.4c.salle-s.org/
+  '';
+
+  users.groups =
+    lib.mapAttrs (n: v: { gid = v.uid; }) normalUsers
+    // { wwwrun = { gid = config.ids.gids.wwwrun; }; };
+  users.users =
+    let
+      defaultNormal = n: {
+        group = n;
+        extraGroups = [ "users" ];
+        isNormalUser = true;
+      };
+    in
+      lib.mapAttrs (n: v: defaultNormal n // (lib.filterAttrs (k: _: k != "_meta") v)) normalUsers
+      // {
+        sponsored-separator = {
+          uid = 10000;
+          group = "users";
+          home = "/var/empty";
+          extraGroups = [];
+          isNormalUser = true;
+          createHome = false;
+        };
+        wwwrun = {
+          group = "wwwrun";
+          description = "Apache httpd user";
+          uid = config.ids.uids.wwwrun;
+          extraGroups = [ "keys" ];
+        };
+      };
+
+  system.activationScripts.usersPost = {
+    deps = [ "users" "groups" ];
+    text = builtins.concatStringsSep "\n" (lib.mapAttrsToList (n: v: ''
+      if getent shadow "${n}" | grep -q '^${n}:${v.initialHashedPassword or "!"}:1'; then
+        chage -d 0 "${n}"
+        [ '${v.initialHashedPassword or "!"}' = '!' ] && passwd -d "${n}"
+      fi
+    '') normalUsers);
+  };
+  security.sudo.extraRules = [
+    {
+      commands = [
+        { command = "${sponsoredUser}/bin/sponsored_user"; options = [ "NOPASSWD" ]; }
+      ];
+      users = builtins.attrNames normalUsers;
+      runAs = "root";
+    }
+  ];
+
+  environment.systemPackages = [
+    sponsoredUser
+    pkgs.git
+    pkgs.vim
+    pkgs.rsync
+    pkgs.strace
+    pkgs.home-manager
+    pkgs.telnet
+    pkgs.htop
+    pkgs.iftop
+    pkgs.bind.dnsutils
+    pkgs.httpie
+    pkgs.iotop
+    pkgs.whois
+    pkgs.ngrep
+    pkgs.tcpdump
+    pkgs.tshark
+    pkgs.tcpflow
+    pkgs.nmap
+    pkgs.p0f
+    pkgs.socat
+    pkgs.lsof
+    pkgs.psmisc
+    pkgs.openssl
+    pkgs.wget
+    pkgs.pv
+    pkgs.smartmontools
+  ];
+
+  services.websites.env.production = {
+    enable = true;
+    adminAddr = "httpd@immae.eu";
+    httpdName = "Prod";
+    modules = [ "http2" "deflate" "filter" ];
+    extraConfig = [
+      ''
+        LogFormat "%{Host}i:%p %h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combinedVhost
+        Protocols h2 http/1.1
+        AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript application/javascript
+      '' ];
+    ips =
+      let ips = config.hostEnv.ips.main;
+      in [ips.ip4] ++ (ips.ip6 or []);
+
+    fallbackVhost = {
+      certName    = "quatresaisons";
+      hosts       = [ "quatresaisons.immae.eu" ];
+      root        = pkgs.runCommand "empty" {} "mkdir $out && touch $out/index.html";
+      extraConfig = [ "DirectoryIndex index.html" ];
+    };
+    vhostConfs.salle-s = {
+      certName = "quatresaisons";
+      addToCerts = true;
+      hosts = [ "salle-s.org" ];
+      root = toLanding ./quatresaisons/landing.yml;
+      extraConfig = [
+        ''
+          <Directory ${toLanding ./quatresaisons/landing.yml}>
+            AllowOverride None
+            Require all granted
+            DirectoryIndex index.html
+          </Directory>
+      ''
+      ];
+    };
+    vhostConfs.tools = {
+      certName = "quatresaisons";
+      addToCerts = true;
+      hosts = [ "4c.salle-s.org" "quatresaisons.salle-s.org" "quatre-saisons.salle-s.org" ];
+      root = toLanding ./quatresaisons/landing_4c.yml;
+      extraConfig = [
+        ''
+          Alias /charte ${serverSpecificConfig.charte_path}
+          <Directory ${serverSpecificConfig.charte_path}>
+            AllowOverride None
+            Require all granted
+            DirectoryIndex index.html index.txt
+          </Directory>
+
+          <Directory ${toLanding ./quatresaisons/landing_4c.yml}>
+            AllowOverride None
+            Require all granted
+            DirectoryIndex index.html
+          </Directory>
+      ''
+      ];
+    };
+  };
+  system.activationScripts.httpd = '' 
+    install -d -m 0750 -o wwwrun -g wwwrun /var/lib/php
+    install -d -m 0750 -o wwwrun -g wwwrun /var/lib/php/sessions
+  '';
+
+  services.phpfpm = {
+    phpOptions = ''
+      session.save_path = "/var/lib/php/sessions"
+      post_max_size = 20M
+      ; 15 days (seconds)
+      session.gc_maxlifetime = 1296000
+      ; 30 days (minutes)
+      session.cache_expire = 43200
+      '';
+    settings = {
+      log_level = "notice";
+    };
+  };
+
+}