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path: root/nixos/tests/sssd-ldap.nix
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let
  dbDomain = "example.org";
  dbSuffix = "dc=example,dc=org";

  ldapRootUser = "admin";
  ldapRootPassword = "foobar";

  testUser = "alice";
  testPassword = "foobar";
  testNewPassword = "barfoo";
in
import ./make-test-python.nix ({ pkgs, ... }: {
  name = "sssd-ldap";

  meta = with pkgs.lib.maintainers; {
    maintainers = [ bbigras s1341 ];
  };

  nodes.machine = { pkgs, ... }: {
    security.pam.services.systemd-user.makeHomeDir = true;
    environment.etc."cert.pem".text = builtins.readFile ./common/acme/server/acme.test.cert.pem;
    environment.etc."key.pem".text = builtins.readFile ./common/acme/server/acme.test.key.pem;
    services.openldap = {
      enable = true;
      urlList = [ "ldap:///" "ldaps:///" ];
      settings = {
        attrs = {
          olcTLSCACertificateFile = "/etc/cert.pem";
          olcTLSCertificateFile = "/etc/cert.pem";
          olcTLSCertificateKeyFile = "/etc/key.pem";
          olcTLSCipherSuite = "HIGH:MEDIUM:+3DES:+RC4:+aNULL";
          olcTLSCRLCheck = "none";
          olcTLSVerifyClient = "never";
          olcTLSProtocolMin = "3.1";
        };
        children = {
          "cn=schema".includes = [
            "${pkgs.openldap}/etc/schema/core.ldif"
            "${pkgs.openldap}/etc/schema/cosine.ldif"
            "${pkgs.openldap}/etc/schema/inetorgperson.ldif"
            "${pkgs.openldap}/etc/schema/nis.ldif"
          ];
          "olcDatabase={1}mdb" = {
            attrs = {
              objectClass = [ "olcDatabaseConfig" "olcMdbConfig" ];
              olcDatabase = "{1}mdb";
              olcDbDirectory = "/var/lib/openldap/db";
              olcSuffix = dbSuffix;
              olcRootDN = "cn=${ldapRootUser},${dbSuffix}";
              olcRootPW = ldapRootPassword;
              olcAccess = [
                /*
                  custom access rules for userPassword attributes
                  */
                ''
                  {0}to attrs=userPassword
                                    by self write
                                    by anonymous auth
                                    by * none''

                /*
                  allow read on anything else
                  */
                ''
                  {1}to *
                                    by * read''
              ];
            };
          };
        };
      };
      declarativeContents = {
        ${dbSuffix} = ''
          dn: ${dbSuffix}
          objectClass: top
          objectClass: dcObject
          objectClass: organization
          o: ${dbDomain}

          dn: ou=posix,${dbSuffix}
          objectClass: top
          objectClass: organizationalUnit

          dn: ou=accounts,ou=posix,${dbSuffix}
          objectClass: top
          objectClass: organizationalUnit

          dn: uid=${testUser},ou=accounts,ou=posix,${dbSuffix}
          objectClass: person
          objectClass: posixAccount
          userPassword: ${testPassword}
          homeDirectory: /home/${testUser}
          uidNumber: 1234
          gidNumber: 1234
          cn: ""
          sn: ""
        '';
      };
    };

    services.sssd = {
      enable = true;
      # just for testing purposes, don't put this into the Nix store in production!
      environmentFile = "${pkgs.writeText "ldap-root" "LDAP_BIND_PW=${ldapRootPassword}"}";
      config = ''
        [sssd]
        config_file_version = 2
        services = nss, pam, sudo
        domains = ${dbDomain}

        [domain/${dbDomain}]
        auth_provider = ldap
        id_provider = ldap
        ldap_uri = ldaps://127.0.0.1:636
        ldap_tls_reqcert = allow
        ldap_tls_cacert = /etc/cert.pem
        ldap_search_base = ${dbSuffix}
        ldap_default_bind_dn = cn=${ldapRootUser},${dbSuffix}
        ldap_default_authtok_type = password
        ldap_default_authtok = $LDAP_BIND_PW
      '';
    };
  };

  testScript = ''
    machine.start()
    machine.wait_for_unit("openldap.service")
    machine.wait_for_unit("sssd.service")
    result = machine.execute("getent passwd ${testUser}")
    if result[0] == 0:
      assert "${testUser}" in result[1]
    else:
      machine.wait_for_console_text("Backend is online")
      machine.succeed("getent passwd ${testUser}")

    with subtest("Log in as ${testUser}"):
        machine.wait_until_tty_matches("1", "login: ")
        machine.send_chars("${testUser}\n")
        machine.wait_until_tty_matches("1", "login: ${testUser}")
        machine.wait_until_succeeds("pgrep login")
        machine.wait_until_tty_matches("1", "Password: ")
        machine.send_chars("${testPassword}\n")
        machine.wait_until_succeeds("pgrep -u ${testUser} bash")
        machine.send_chars("touch done\n")
        machine.wait_for_file("/home/${testUser}/done")

    with subtest("Change ${testUser}'s password"):
        machine.send_chars("passwd\n")
        machine.wait_until_tty_matches("1", "Current Password: ")
        machine.send_chars("${testPassword}\n")
        machine.wait_until_tty_matches("1", "New Password: ")
        machine.send_chars("${testNewPassword}\n")
        machine.wait_until_tty_matches("1", "Reenter new Password: ")
        machine.send_chars("${testNewPassword}\n")
        machine.wait_until_tty_matches("1", "passwd: password updated successfully")

    with subtest("Log in as ${testUser} with new password in virtual console 2"):
        machine.send_key("alt-f2")
        machine.wait_until_succeeds("[ $(fgconsole) = 2 ]")
        machine.wait_for_unit("getty@tty2.service")
        machine.wait_until_succeeds("pgrep -f 'agetty.*tty2'")

        machine.wait_until_tty_matches("2", "login: ")
        machine.send_chars("${testUser}\n")
        machine.wait_until_tty_matches("2", "login: ${testUser}")
        machine.wait_until_succeeds("pgrep login")
        machine.wait_until_tty_matches("2", "Password: ")
        machine.send_chars("${testNewPassword}\n")
        machine.wait_until_succeeds("pgrep -u ${testUser} bash")
        machine.send_chars("touch done2\n")
        machine.wait_for_file("/home/${testUser}/done2")
  '';
})