dmc

   1 #!/usr/bin/env bash
   2 #
   3 # Yamada Hayao
   4 # Twitter: @Hayao0819
   5 # Email  : hayao@fascode.net
   6 #
   7 # (c) 2019-2021 Fascode Network.
   8 #
   9 # dmc
  10 #
  11 # LICENSE: THE SUSHI-WARE LICENSE
  12 # https://github.com/MakeNowJust/sushi-ware
  13 #
  14 #
  15 # 参考資料
  16 # https://qiita.com/laikuaut/items/4bc07eabce56ee30812d
  17 # https://qiita.com/t_nakayama0714/items/80b4c94de43643f4be51
  18
  19 script_usage(){
  20     echo "usage: dmc [options] [command]"
  21     echo
  22     echo "A simple tool for switching LightDM Greeters"
  23     echo
  24     echo " LightDM command:"
  25     echo "    autologin [username] [session]    Set up automatic login (with blank username to disable)"
  26     echo "    greeter                           Run greeter setup wizard"
  27     echo "    greeter-create [file]             Set the specified executable file as Greeter"
  28     echo "    greeter-change [greeter]          Specify the greeter to use"
  29     echo "    greeter-edit [greeter]            Edit the greeter configs"
  30     echo "    greeter-list                      Show a list of currently installed Greeters"
  31     echo "    remove                            Removes all changes made by this command"
  32     echo "    edit                              Edit lightdm config"
  33     echo "    show-config                       Show current settings"
  34     echo
  35     echo " GDM command:"
  36     echo "    autologin [username] [session]    Set up automatic login (with blank username to disable)"
  37     echo "    cursor                            Run cursor selection wizard"
  38     #echo "    cursor-change [cursor]            Specify the cursor theme"
  39     echo "    cursor-list                       Show a list of cursor theme"
  40     echo "    sound [true or false]             Toggle the sound when an event occurs"
  41     echo "    logo [image]                      Specify the logo of the login screen"
  42     echo "    tap [true or false]               Toggle whether to recognize the tap as a click"
  43     echo "    accessibility [true or false]     Toggle whether to show accessibility menu"
  44     echo "    root-login [true or false]        Toggle whether to enable root login"
  45     echo
  46     echo " Webkit2 command:"
  47     echo "    theme                             Run theme selection wizard"
  48     echo "    theme-change [theme]              Specify the theme"
  49     echo
  50     echo " Qtquick command:"
  51     echo "    back                              Specify the background image"
  52     echo
  53     echo " General option:"
  54     echo "    -m | --mode                       Specifiy the target you want to set"
  55     echo "    -e | --editer                     Specifiy the editor to use for editing"
  56     echo "    -h | --help                       This help message and exit"
  57     echo "    --non-interactive                 Run in non-interactive mode"
  58     echo "    --noroot                          No check root permission"
  59     echo "    --write-all-files                 Allows rewriting of all configuration files"
  60     echo
  61     echo " Supported modes:"
  62     echo "    Display managers: lightdm, gdm"
  63     echo "    LightDM greeters: webkit2, qtquick"
  64     echo
  65 }
  66
  67 set -eu
  68
  69 # エラー
  70 msg_error() {
  71     echo "${@}" 1>&2
  72 }
  73
  74 # 警告
  75 msg_warn() {
  76     echo "${@}" 1>&2
  77 }
  78
  79 # rootチェック
  80 check_root(){
  81     if [[ "${NOROOT}" = false ]] && (( "${UID}" != 0 )); then
  82         msg_error "You have to run as root"
  83         exit 1
  84     fi
  85 }
  86
  87 # 数値チェック
  88 check_int(){
  89     set +e
  90     #if (( "$(expr "${1}" + 1 >/dev/null 2>&1; printf "${?}")" < 2 )); then
  91     if printf "%s" "${1}" | grep -E "^[0-9]+$" 1>/dev/null 2>&1; then
  92         set -e
  93         return 0
  94     else
  95         set -e
  96         return 1
  97     fi
  98 }
  99
 100 check_bool(){
 101     if [[ -n "${1}" ]] && { [[ "${1}" = "true" ]] ||[[ "${1}" = "false" ]]; }; then
 102         return 0
 103     else
 104         return 1
 105     fi
 106 }
 107
 108 # crudini ラッパー
 109 wrapper(){
 110     local _command="${1}"
 111     shift 1
 112     if which "${_command}" >/dev/null 2>&1; then
 113         $(which "${_command}") "${@}"
 114     else
 115         msg_error "${_command} was not found"
 116         exit 1
 117     fi
 118 }
 119
 120 crudini(){
 121     wrapper crudini "${@}"
 122 }
 123
 124 jq(){
 125     wrapper jq "${@}"
 126 }
 127
 128
 129 # カーソルテーマの一覧を取得
 130 get_cursor_theme(){
 131     # カーソルテーマの一覧を取得
 132     # 参考: https://wiki.archlinux.jp/index.php/%E3%82%AB%E3%83%BC%E3%82%BD%E3%83%AB%E3%83%86%E3%83%BC%E3%83%9E
 133     # 参考: https://wiki.archlinux.jp/index.php/GDM
 134     #echo "Searching cursor themes..." 1>&2
 135     local _dir _cursor_theme_dir_list _find_cursor_dir_list=("/usr/share/icons" "${HOME}/.local/share/icons" "${HOME}/.icons")
 136     for _dir in "${_find_cursor_dir_list[@]}"; do
 137         if [[ -d "${_dir}" ]]; then
 138             _cursor_theme_dir_list=($(find "${_dir}" -type d -name "cursors" | xargs -i dirname {} | sort))
 139         fi
 140     done
 141
 142     local _cursor_theme _cursor_theme_name _temp
 143     for _cursor_theme in "${_cursor_theme_dir_list[@]}"; do
 144         _temp+=("$(cat "${_cursor_theme}/cursor.theme" 2> /dev/null | grep -E "^Name=" | sed "s|^Name=||g")")
 145         if [[ -z "${_temp}" ]]; then
 146             _cursor_theme_name+=("$(basename "${_cursor_theme}")")
 147         fi
 148     done
 149     echo "${_cursor_theme_name[@]}"
 150 }
 151
 152 #== LightDM用の汎用関数 ==#
 153 # キーが設定されている設定ファイル
 154 lightdm_get_source_file(){
 155     local key="${1}"
 156     local source_name="$(lightdm --show-config 2>&1 | grep -E "^[A-Z]  ${key}=" | cut -d ' ' -f 1)"
 157     local source_path="$(lightdm --show-config 2>&1 | grep -x -A "$(lightdm --show-config 2>&1 | wc -l)" "Sources:" | grep -xv "Sources" | grep -E "^${source_name}  " | sed "s|^${source_name}  ||g")"
 158     if [[ -n "${source_path}" ]]; then
 159         echo -n "${source_path}"
 160     else
 161         echo -n ""
 162     fi
 163 }
 164
 165
 166 # 設定ファイルの値を変更する
 167 lightdm_set_config(){
 168     local key="${1}" value="${2}" file=${3-${LIGHTDM_CONFIG}}
 169     if [[ "${WRITE_ALL_FILES}" = true ]] && [[ -n "$(lightdm_get_source_file "${1}")" ]]; then
 170         crudini --set "$(lightdm_get_source_file "${1}")" 'Seat:*' "${1}" "${2}"
 171     else
 172         crudini --set "${file}" 'Seat:*' "${1}" "${2}"
 173     fi
 174
 175     if [[ ! "$(lightdm_get_value "${1}")" = "${2}" ]]; then
 176         msg_error "Failed to change the setting value. A value has already been set for $(lightdm_get_source_file "${1}")"
 177         msg_error "lightdm-config does not manipulate other configuration files for safety. Comment out the settings in that file."
 178     fi
 179 }
 180
 181 # 設定ファイルのキーを削除する
 182 lightdm_remove_key(){
 183     local key="${1}" _config
 184     if cat "${LIGHTDM_CONFIG}" | grep -E "^ ?${key}.+" > /dev/null; then
 185         sed -i -r "s|^ ?${key} ?=.+||g" "${LIGHTDM_CONFIG}"
 186         sed -i '/^$/d' "${LIGHTDM_CONFIG}"
 187     fi
 188 }
 189
 190 # 設定ファイルを作成
 191 lightdm_init_configs(){
 192     check_root
 193     if [[ ! -f "${LIGHTDM_CONFIG}" ]]; then
 194         mkdir -p "$(dirname "${LIGHTDM_CONFIG}")"
 195         touch "${LIGHTDM_CONFIG}"
 196         echo "[Seat:*]" > "${LIGHTDM_CONFIG}"
 197     fi
 198 }
 199
 200 # 現在設定されている値を取得する
 201 lightdm_get_value(){
 202     local _current_value="$(lightdm --show-config 2>&1 | grep -E "^[A-Z]  ${1}=" | sed "s|^[A-Z]  ||g" | cut -d "=" -f "2")"
 203     if [[ "${_current_value}" ]]; then
 204         echo -n "${_current_value}"
 205         return 0
 206     else
 207         echo -n ""
 208         return 0
 209     fi
 210 }
 211
 212 #== LightDM用コマンド ==#
 213 # greeter-changeコマンド
 214 command_lightdm_greeter_change() {
 215     # 引数チェック
 216     if [[ -z "${1}" ]]; then
 217         msg_error "Please specify Greeter."
 218         script_usage
 219         exit 1
 220     fi
 221
 222     # 指定されたGreeterが正しいか確認
 223     if ! printf "%s\n" "${LIGHTDM_GREETERS[@]}" | grep -x "${1}" > /dev/null 2>&2; then
 224         msg_error "The greeter (${1}) doesn't exist."
 225         exit 1
 226     else
 227         lightdm_set_config "greeter-session" "${1}"
 228     fi
 229 }
 230
 231 # greeter-createコマンド
 232 command_lightdm_greeter_create(){
 233     if [[ -z "${1}" ]]; then
 234         msg_error "Please specify Greeter."
 235         script_usage
 236         exit 1
 237     fi
 238     if [[ ! -f "${1}" ]]; then
 239         msg_error "${1} does not exist."
 240         script_usage
 241         exit 1
 242     fi
 243     if [[ ! -x "${1}" ]]; then
 244         msg_error "hoge is not an executable file."
 245         script_usage
 246         exit 1
 247     fi
 248
 249     local path="${1}"
 250     local filename="$(basename "${1}")"
 251
 252     if [[ -f "/usr/share/xgreeters/${filename}.desktop" ]]; then
 253         msg_error "Greeter with the same name already exists."
 254         exit 1
 255     fi
 256     cat > "/usr/share/xgreeters/${filename}.desktop"  <<EOF
 257 [Desktop Entry]
 258 Name=LightDM custom Greeter ${filename}
 259 Comment=LightDM Greeter
 260 Exec=${path}
 261 Type=Application
 262 EOF
 263 }
 264
 265 # greeter-listコマンド
 266 command_lightdm_greeter_list() {
 267     echo "Available Lightdm greeter list:"
 268     local _greeter
 269     for _greeter in "${LIGHTDM_GREETERS[@]}"; do
 270         if [[ "${_greeter}" = "${LIGHTDM_CURRENT_GREETER}" ]]; then
 271             echo " * ${_greeter}"
 272         else
 273             echo "   ${_greeter}"
 274         fi
 275     done
 276 }
 277
 278 # greeterコマンド
 279 run_greeter_wizard(){
 280     # グリーターの数を確認
 281     if (( ${#LIGHTDM_GREETERS[@]} < 1 )); then
 282         msg_error "LightDM Greeter was not found."
 283         exit 1
 284     fi
 285
 286     # 質問する
 287     local _c _greeter
 288     echo "Please select the greeter to use."
 289     for (( _c=1; _c<=${#LIGHTDM_GREETERS[@]}; _c++)); do
 290         _greeter="${LIGHTDM_GREETERS[$(( _c - 1 ))]}"
 291         if [[ "${_greeter}" = "${LIGHTDM_CURRENT_GREETER}" ]]; then
 292             echo " * ${_c}: ${_greeter}"
 293         else
 294             echo "   ${_c}: ${_greeter}"
 295         fi
 296         unset _greeter
 297     done
 298     echo -n "(1 ~ ${#LIGHTDM_GREETERS[@]}) > "
 299     read -r _input
 300
 301     local _recall
 302     _recall(){
 303         echo "Please enter the correct value."
 304         run_greeter_wizard
 305         exit 0
 306     }
 307
 308     # 回答を解析
 309     if check_int "${_input}"; then
 310         # 数字が入力された
 311         if (( 1 <= _input)) && (( _input <= ${#LIGHTDM_GREETERS[@]} )); then
 312             _greeter="${LIGHTDM_GREETERS[$(( _input - 1 ))]}"
 313         else
 314             _recall
 315         fi
 316     else
 317         # 文字が入力された
 318         if printf "%s\n" "${LIGHTDM_GREETERS[@]}" | grep -x "${_input}" 1>/dev/null 2>&1; then
 319             _greeter="${_input}"
 320         else
 321             _recall
 322         fi
 323     fi
 324
 325     # 結果に応じて処理を実行
 326     if [[ -n "${_greeter}" ]]; then
 327         command_lightdm_greeter_change "${_greeter}"
 328     else
 329         run_greeter_wizard
 330         exit 0
 331     fi
 332     echo "Changed greeter to ${_greeter}"
 333 }
 334
 335 # removeコマンド
 336 command_lightdm_remove(){
 337     if [[ ! -f "${LIGHTDM_CONFIG}" ]]; then
 338         return 0
 339     else
 340         local _yes_or_no
 341         echo -ne "Are you sure you want to delete all settings?\nThis change is irreversible.\n (y or n) > "
 342         read -r -n 1 _yes_or_no
 343         if [[ "${_yes_or_no}" = "y" ]]; then
 344             mv "${LIGHTDM_CONFIG}" "${LIGHTDM_CONFIG}.disabled"
 345         fi
 346     fi
 347 }
 348
 349 # greeter-edit
 350 command_lightdm_greeter_edit(){
 351     if [[ "${NON_INTERACTIVE}" = true ]]; then
 352         msg_error "You cannot use this command in non-interactive mode."
 353         exit 1
 354     fi
 355     local _greeter="${1:-${LIGHTDM_CURRENT_GREETER}}"
 356     if [[ -z "${GREETER_CONFIG["${_greeter}"]+SET}" ]]; then
 357         msg_error "This Greeter is not currently supported."
 358         msg_error "Please report the problem here."
 359         msg_error "https://github.com/FascodeNet/lightdm-config/issues"
 360         exit 1
 361     else
 362         if [[ -z ${1} ]]; then
 363             msg_warn "Greeter was not specified. Open the currently configured Greeter configuration file."
 364             echo -n "(Enter to continue) > "
 365             read -r
 366         fi
 367         set -u
 368         bash -c "${USE_EDITOR} ${GREETER_CONFIG["${_greeter}"]}"
 369         exit
 370     fi
 371 }
 372
 373 # edit
 374 command_lightdm_edit(){
 375     if [[ "${NON_INTERACTIVE}" = true ]]; then
 376         msg_error "You cannot use this command in non-interactive mode."
 377         exit 1
 378     fi
 379     for _config in "${LIGHTDM_LOADED_CONFIG[@]}"; do
 380         echo -ne "Edit ${_config} ? (y or n)> "
 381         read -r -n 1 _yes_or_no
 382         echo
 383         if [[ "${_yes_or_no}" = "y" ]]; then
 384             bash -c "${USE_EDITOR} ${_config}"
 385         fi
 386     done
 387 }
 388
 389 # autologin
 390 command_lightdm_auto_login(){
 391     if [[ -z "${1+SET}" ]]; then
 392         # 既に自動ログインが設定されているかを確認
 393         local autologin_user="$(lightdm_get_value autologin-user)"
 394         if [[ -n "${autologin_user}" ]]; then
 395             # autologinを無効化
 396             for _autologin in "autologin-guest" "autologin-user" "autologin-user-timeout" "autologin-in-background" "autologin-session"; do
 397                 remove_key "${_autologin}"
 398             done
 399             echo "Canceled automatic login of ${autologin_user}"
 400         fi
 401     else
 402         local autologin_user="${1}" autologin_session
 403         if [[ -v 2 ]]; then
 404             autologin_session="${2}"
 405         fi
 406
 407         # ユーザーチェック
 408         if ! getent passwd "${autologin_user}" 1> /dev/null 2>&1; then
 409             echo "${autologin_user} is a non-existent user."
 410             exit 1
 411         fi
 412
 413         # セッションを設定
 414         if [[ -z "${autologin_session+SET}" ]]; then
 415             if (( $(ls "/usr/share/xsessions" 2> /dev/null | wc -l) <= 1 )); then
 416                 autologin_session="$(ls "/usr/share/xsessions" | sed 's|.desktop$||g')"
 417             elif [[ "${NON_INTERACTIVE}" = true ]]; then
 418                 # 非対話モード
 419                 # ~/.dmrcの値を設定します
 420                 autologin_session="$(cat "${HOME}/.dmrc" | grep -E '^Session=' | cut -d '=' -f 2)"
 421                 if [[ -z "${autologin_session}" ]]; then
 422                     msg_error "Failed to set the session."
 423                     msg_error "Not specified and ~/.dmrc does not exist either."
 424                     exit 1
 425                 fi
 426             else
 427                 echo "Select the desktop session to autologin"
 428                 local session
 429                 for session in "/usr/share/xsessions/"*; do
 430                     echo "   ${session}"
 431                 done
 432                 echo -n "(session name) > "
 433                 read -r session
 434                 if [[ -f "/usr/share/xsessions/${session}.desktop" ]]; then
 435                     autologin_session="${session}"
 436                 else
 437                     msg_error "Please enter the correct session name."
 438                     exit 1
 439                 fi
 440             fi
 441         else
 442             # 既に値が設定済み
 443             if [[ ! -f "/usr/share/xsessions/${autologin_session}.desktop" ]]; then
 444                 # 存在しないセッションが指定された場合
 445                 msg_error "This is a session (${autologin_session}) that does not exist."
 446                 exit 1
 447             fi
 448         fi
 449
 450         # autologin グループを設定
 451         if ! getent group "autologin" 1> /dev/null 2>&1; then
 452             LANG=C groupadd -r "autologin"
 453         fi
 454         LANG=C gpasswd -a "${autologin_user}" "autologin"
 455
 456         # 設定を書き込み
 457         lightdm_set_config "autologin-guest" "false"
 458         lightdm_set_config "autologin-user" "${autologin_user}"
 459         lightdm_set_config "autologin-user-timeout" "0"
 460         lightdm_set_config "autologin-in-background" "false"
 461         lightdm_set_config "autologin-session" "${autologin_session}"
 462
 463         echo "${autologin_user} will automatically log in with ${autologin_session}"
 464     fi
 465
 466 }
 467
 468 # show-config
 469 command_lightdm_show_config(){
 470    lightdm --show-config 2>&1
 471 }
 472
 473 #== GDM用の汎用関数 ==#
 474 gdm_init_configs(){
 475     check_root
 476     if [[ ! -f "/etc/dconf/profile/gdm" ]]; then
 477         mkdir -p "/etc/dconf/profile"
 478         touch "/etc/dconf/profile/gdm"
 479         echo -e "user-db:user\nsystem-db:gdm\nfile-db:/usr/share/gdm/greeter-dconf-defaults" > "/etc/dconf/profile/gdm"
 480     fi
 481
 482     local _file
 483     for _file in "${DISPLAY_MANAGER_CONFIG["gdm-dconf"]}" "${DISPLAY_MANAGER_CONFIG["gdm-custom"]}"; do
 484         if [[ ! -f "${_file}" ]]; then
 485             mkdir -p "$(dirname "${_file}")"
 486             touch "${_file}"
 487         fi
 488     done
 489 }
 490
 491 # gdm_dconf_set_config <dconf path> <key> <value>
 492 gdm_dconf_set_config(){
 493     if check_int "${3}" || check_bool "${3}"; then
 494         crudini --set "${DISPLAY_MANAGER_CONFIG["gdm-dconf"]}" "${1}" "${2}" "${3}"
 495     else
 496         crudini --set "${DISPLAY_MANAGER_CONFIG["gdm-dconf"]}" "${1}" "${2}" "\"${3}\""
 497     fi
 498     gdm_update
 499 }
 500
 501 # gdm_dconf_get_value <dconf path> <key>
 502 gdm_dconf_get_value(){
 503     dconf dump / | crudini --get - "${1}" "${2}"
 504 }
 505
 506 # gdm_custom_get_value <section> <key>
 507 gdm_custom_get_value(){
 508     crudini --get "${DISPLAY_MANAGER_CONFIG["gdm-custom"]}" "${1}" "${2}"
 509 }
 510
 511 # gdm_custom_set_config <section> <key> <value>
 512 gdm_custom_set_config(){
 513     if check_int "${3}" || check_bool "${3}"; then
 514         crudini --set "${DISPLAY_MANAGER_CONFIG["gdm-custom"]}" "${1}" "${2}" "${3}"
 515     else
 516         crudini --set "${DISPLAY_MANAGER_CONFIG["gdm-custom"]}" "${1}" "${2}" "\"${3}\""
 517     fi
 518     gdm_update
 519 }
 520
 521 gdm_update(){
 522     dconf update
 523 }
 524
 525
 526 #== GDM用コマンド ==#
 527 command_gdm_logo(){
 528     if [[ -z "${1+SET}" ]]; then
 529         msg_error "Please specify the image of background"
 530         exit 1
 531     fi
 532     if [[ ! -f "${1}" ]]; then
 533         msg_error "${1} was not found."
 534         exit 1
 535     fi
 536
 537     local _backgrounf_file="/usr/share/backgrounds/gdm/background"
 538     mkdir -p "$(dirname "${_backgrounf_file}")"
 539     cp "${1}" "${_backgrounf_file}"
 540     chmod 644 "${_backgrounf_file}"
 541
 542     gdm_dconf_set_config "org/gnome/login-screen" "logo" "${_backgrounf_file}"
 543 }
 544
 545 command_gdm_cursor_wizard(){
 546     # 一覧を生成
 547     local _c
 548     unset _cursor_theme
 549     echo "Please select the cursor theme to use."
 550     for (( _c=1; _c<=${#CURSOR_THEMES[@]}; _c++)); do
 551         _cursor_theme="${CURSOR_THEMES[$(( _c - 1 ))]}"
 552         echo "   ${_c}: ${_cursor_theme}"
 553         unset _cursor_theme
 554     done
 555
 556     # 質問する
 557     local _input
 558     echo -n "(1 ~ ${#CURSOR_THEMES[@]}) > "
 559     read -r _input
 560
 561     local _recall
 562     _recall(){
 563         echo "Please enter the correct value."
 564         command_gdm_cursor_wizard
 565         exit 0
 566     }
 567
 568     # 回答を解析
 569     if check_int "${_input}"; then
 570         # 数字が入力された
 571         if (( 1 <= _input)) && (( _input <= ${#CURSOR_THEMES[@]} )); then
 572             _cursor_theme="${CURSOR_THEMES[$(( _input - 1 ))]}"
 573         else
 574             _recall
 575         fi
 576     else
 577         # 文字が入力された
 578         if printf "%s\n" "${CURSOR_THEMES[@]}" | grep -x "${_input}" 1>/dev/null 2>&1; then
 579             _cursor_theme="${_input}"
 580         else
 581             _recall
 582         fi
 583     fi
 584
 585     if [[ -n "${_cursor_theme}" ]]; then
 586         command_gdm_cursor_change "${_cursor_theme}"
 587     else
 588         command_gdm_cursor_wizard
 589         exit 0
 590     fi
 591     echo "Changed cursor to ${_cursor_theme}"
 592 }
 593
 594 command_gdm_cursor_change(){
 595     if [[ -z "${1+SET}" ]]; then
 596         msg_error "Please specify the cursor theme"
 597         exit 1
 598     fi
 599     if ! printf "%s\n" "${CURSOR_THEMES[@]}" | grep -x "${1}" 1>/dev/null 2>&1; then
 600         msg_error "The cursor theme (${1}) was not found"
 601         exit 1
 602     fi
 603     gdm_dconf_set_config "org/gnome/desktop/interface" "cursor-theme" "${1}"
 604 }
 605
 606 command_gdm_sound(){
 607     local _arg="$(echo "${1-""}" | tr A-Z a-z)"
 608     if ! check_bool "${_arg}"; then
 609         msg_error "Please specify true or false"
 610         script_usage
 611         exit 1
 612     fi
 613     gdm_dconf_set_config "org/gnome/desktop/sound" "event-sounds" "${_arg}"
 614 }
 615
 616 command_gdm_tap(){
 617     local _arg="$(echo "${1-""}" | tr A-Z a-z)"
 618     if ! check_bool "${_arg}"; then
 619         msg_error "Please specify true or false"
 620         script_usage
 621         exit 1
 622     fi
 623     gdm_dconf_set_config "org/gnome/desktop/peripherals/touchpad" "tap-to-click" "${_arg}"
 624 }
 625
 626 # autologin
 627 command_gdm_auto_login(){
 628     if [[ -z "${1+SET}" ]]; then
 629         # 既に自動ログインが設定されているかを確認
 630         local autologin="$(gdm_custom_get_value daemon AutomaticLoginEnable)"
 631         if [[ "${autologin}" = "True" ]]; then
 632             gdm_custom_set_config "daemon" "AutomaticLoginEnable" "False"
 633             echo "Canceled automatic login of $(gdm_custom_get_value "daemon" "AutomaticLogin")"
 634         fi
 635     else
 636         local autologin_user="${1}" autologin_session
 637         if [[ -v 2 ]]; then
 638             autologin_session="${2}"
 639         fi
 640
 641         # ユーザーチェック
 642         if ! getent passwd "${autologin_user}" 1> /dev/null 2>&1; then
 643             echo "${autologin_user} is a non-existent user."
 644             exit 1
 645         fi
 646
 647         # セッションを設定 (WayLandのセッションは現在サポートされていません)
 648         if [[ -z "${autologin_session+SET}" ]]; then
 649             if (( $(ls "/usr/share/xsessions" 2> /dev/null | wc -l) <= 1 )); then
 650                 autologin_session="$(ls "/usr/share/xsessions" | sed 's|.desktop$||g')"
 651             elif [[ "${NON_INTERACTIVE}" = true ]]; then
 652                 # 非対話モード
 653                 # ~/.dmrcの値を設定します
 654                 autologin_session="$(cat "${HOME}/.dmrc" | grep -E '^Session=' | cut -d '=' -f 2)"
 655                 if [[ -z "${autologin_session}" ]]; then
 656                     msg_error "Failed to set the session."
 657                     msg_error "Not specified and ~/.dmrc does not exist either."
 658                     exit 1
 659                 fi
 660             else
 661                 echo "Select the desktop session to autologin"
 662                 local session
 663                 for session in "/usr/share/xsessions/"*; do
 664                     echo "   $(basename ${session} | sed "s|.desktop$||g")"
 665                 done
 666                 echo -n "(session name) > "
 667                 read -r session
 668                 if [[ -f "/usr/share/xsessions/${session}.desktop" ]]; then
 669                     autologin_session="${session}"
 670                 else
 671                     msg_error "Please enter the correct session name."
 672                     exit 1
 673                 fi
 674             fi
 675         else
 676             # 既に値が設定済み
 677             if [[ ! -f "/usr/share/xsessions/${autologin_session}.desktop" ]]; then
 678                 # 存在しないセッションが指定された場合
 679                 msg_error "This is a session (${autologin_session}) that does not exist."
 680                 exit 1
 681             fi
 682         fi
 683
 684         # autologin グループを設定
 685         if ! getent group "autologin" 1> /dev/null 2>&1; then
 686             LANG=C groupadd -r "autologin"
 687         fi
 688         LANG=C gpasswd -a "${autologin_user}" "autologin"
 689
 690         # 設定を書き込み
 691         gdm_custom_set_config "daemon" "AutomaticLoginEnable" "True"
 692         gdm_custom_set_config "daemon" "AutomaticLogin" "${autologin_user}"
 693
 694         # セッションを指定
 695         crudini --set "/var/lib/AccountsService/users/${autologin_user}" "User" "Session" "${autologin_session}"
 696         crudini --set "/var/lib/AccountsService/users/${autologin_user}" "User" "XSession" "${autologin_session}"
 697
 698         echo "${autologin_user} will automatically log in with ${autologin_session}"
 699     fi
 700
 701 }
 702
 703 # accessibility コマンド
 704 command_gdm_accessibility(){
 705     local _arg="$(echo "${1-""}" | tr A-Z a-z)"
 706     if ! check_bool "${_arg}"; then
 707         msg_error "Please specify true or false"
 708         script_usage
 709         exit 1
 710     fi
 711     gdm_dconf_set_config "org/gnome/desktop/interface" "toolkit-accessibility" "${_arg}"
 712 }
 713
 714 # root-login コマンド
 715 command_gdm_root_login(){
 716     local _arg="$(echo "${1-""}" | tr A-Z a-z)"
 717     if ! check_bool "${_arg}"; then
 718         msg_error "Please specify true or false"
 719         script_usage
 720         exit 1
 721     fi
 722     gdm_custom_set_config "daemon" "AllowRoot" "${_arg}"
 723 }
 724
 725 #== Webkit2用の汎用関数 ==#
 726 webkit2_init_configs(){
 727     check_root
 728     if [[ ! -f "${GREETER_CONFIG["lightdm-webkit2-greeter"]}" ]]; then
 729         mkdir -p "$(dirname "${GREETER_CONFIG["lightdm-webkit2-greeter"]}")"
 730         touch "${GREETER_CONFIG["lightdm-webkit2-greeter"]}"
 731     fi
 732 }
 733
 734 # webkit2_get_value <section> <key>
 735 webkit2_get_value(){
 736     crudini --get "${GREETER_CONFIG["lightdm-webkit2-greeter"]}" "${1}" "${2}"
 737 }
 738
 739 # webkit2_set_config <section> <key> <value>
 740 webkit2_set_config(){
 741     crudini --set "${GREETER_CONFIG["lightdm-webkit2-greeter"]}" "${1}" "${2}" "${3}"
 742 }
 743
 744 #== webkit2用コマンド ==#
 745 command_webkit2_theme_wizard(){
 746     local _theme_list=($(ls /usr/share/lightdm-webkit/themes))
 747     local _current_theme=$(webkit2_get_value greeter webkit_theme | sed "s|\"||g")
 748     local _theme _c
 749     echo "Please select the theme to use."
 750     for (( _c=1; _c<=${#_theme_list[@]}; _c++)); do
 751         _theme="${_theme_list[$(( _c - 1 ))]}"
 752         if [[ "${_theme}" = "${_current_theme}" ]]; then
 753             echo " * ${_c}: ${_theme}"
 754         else
 755             echo "   ${_c}: ${_theme}"
 756         fi
 757         unset _theme
 758     done
 759
 760     # 質問する
 761     local _input
 762     echo -n "(1 ~ ${#_theme_list[@]}) > "
 763     read -r _input
 764
 765     # shellcheck disable=SC2034
 766     local _recall
 767     _recall(){
 768         echo "Please enter the correct value."
 769         command_webkit2_theme_wizard
 770         exit 0
 771     }
 772
 773     # 回答を解析
 774     if check_int "${_input}"; then
 775         # 数字が入力された
 776         if (( 1 <= _input)) && (( _input <= ${#_theme_list[@]} )); then
 777             _theme="${_theme_list[$(( _input - 1 ))]}"
 778         else
 779             _recall
 780         fi
 781     else
 782         # 文字が入力された
 783         if printf "%s\n" "${_theme_list[@]}" | grep -x "${_input}" 1>/dev/null 2>&1; then
 784             _theme="${_input}"
 785         else
 786             _recall
 787         fi
 788     fi
 789
 790     if [[ -n "${_theme}" ]]; then
 791         command_webkit2_theme_change "${_theme}"
 792         echo "Changed the theme to ${_theme}"
 793     else
 794         command_webkit2_theme_wizard
 795         exit 0
 796     fi
 797
 798 }
 799
 800 command_webkit2_theme_change(){
 801     if [[ -z "${1+SET}" ]]; then
 802         msg_error "Please specify the theme name"
 803         exit 1
 804     fi
 805     if [[ ! -d "/usr/share/lightdm-webkit/themes/${1}" ]]; then
 806         msg_error "The specified theme (${1}) does not exist"
 807         exit 1
 808     fi
 809
 810     webkit2_set_config "greeter" "webkit_theme" "${1}"
 811 }
 812
 813 #== Qtquick用の汎用関数 ==#
 814 qtquick_init_configs(){
 815     check_root
 816     if [[ ! -f "${GREETER_CONFIG["lightdm-qtquick-greeter"]}" ]] || [[ -z "$(cat "${GREETER_CONFIG["lightdm-qtquick-greeter"]}")" ]]; then
 817         mkdir -p "$(dirname "${GREETER_CONFIG["lightdm-qtquick-greeter"]}")"
 818         touch "${GREETER_CONFIG["lightdm-qtquick-greeter"]}"
 819         #echo -e "{\n\n}\n" > "${GREETER_CONFIG["lightdm-qtquick-greeter"]}"
 820         qtquick_set_config background_path "file:///hoge/fuga.png"
 821         qtquick_set_config theme "qrc:/Login.qml"
 822     fi
 823 }
 824
 825 #qtquick_get_value <key>
 826 qtquick_get_value(){
 827     cat "${GREETER_CONFIG["lightdm-qtquick-greeter"]}" | jq ".${1}"
 828 }
 829
 830 # command_qtquick_back <key> <value>
 831 qtquick_set_config(){
 832     local _tempfile="/tmp/$(basename "${GREETER_CONFIG["lightdm-qtquick-greeter"]}")-$(cat /dev/urandom | base64 | fold -w 10 | head -n 1)"
 833     cp "${GREETER_CONFIG["lightdm-qtquick-greeter"]}" "${_tempfile}"
 834     cat "${_tempfile}" | jq -r ".${1}|=\"${2}\"" > "${GREETER_CONFIG["lightdm-qtquick-greeter"]}"
 835     chmod 644 "${GREETER_CONFIG["lightdm-qtquick-greeter"]}"
 836 }
 837
 838 #== Qtquick用コマンド ==#
 839 command_qtquick_back(){
 840     if [[ -z "${1+SET}" ]]; then
 841         msg_error "Please specify the image of background"
 842         exit 1
 843     fi
 844     if [[ ! -f "${1}" ]]; then
 845         msg_error "${1} was not found."
 846         exit 1
 847     fi
 848
 849     local _backgrounf_file="/usr/share/backgrounds/lightdm/qtquick-greeter"
 850     mkdir -p "$(dirname "${_backgrounf_file}")"
 851     cp "${1}" "${_backgrounf_file}"
 852     chmod 644 "${_backgrounf_file}"
 853
 854     qtquick_set_config "background_path" "file://${_backgrounf_file}"
 855 }
 856
 857
 858 # 変数を設定
 859 declare -A GREETER_CONFIG=(
 860     ["lightdm-webkit2-greeter"]="/etc/lightdm/lightdm-webkit2-greeter.conf"
 861     ["lightdm-slick-greeter"]="/etc/lightdm/slick-greeter.conf"
 862     ["lightdm-gtk-greeter"]="/etc/lightdm/lightdm-gtk-greeter.conf"
 863     ["io.elementary.greeter"]="/etc/lightdm/io.elementary.greeter.conf"
 864     ["lightdm-mini-greeter"]="/etc/lightdm/lightdm-mini-greeter.conf"
 865     ["lightdm-qtquick-greeter"]="/etc/lightdm/lightdm-qtquick-greeter.json"
 866 )
 867
 868 declare -A DISPLAY_MANAGER_CONFIG=(
 869     ["lightdm"]="/etc/lightdm/lightdm.conf.d/00-dmc-lightdm.conf"
 870     ["gdm-dconf"]="/etc/dconf/db/gdm.d/00-dmc-gdm"
 871     ["gdm-custom"]="/etc/gdm/custom.conf"
 872 )
 873
 874
 875 #== CONFIGS ==#
 876
 877 # LightDM - 設定ファイル
 878 LIGHTDM_CONFIG="${DISPLAY_MANAGER_CONFIG["lightdm"]}"
 879
 880 # LightDM - Greeterのディレクトリ
 881 LIGHTDM_GREETERS_DIR="$(lightdm_get_value "greeters-directory")"
 882 : "${LIGHTDM_GREETERS_DIR:="/usr/share/xgreeters"}"
 883
 884 # LightDM - Greeter一覧
 885 LIGHTDM_GREETERS=( $( (ls "${LIGHTDM_GREETERS_DIR}" | sed "s|.desktop$||g") 2> /dev/null ))
 886
 887 # LightDM - 現在設定されているGreeter
 888 LIGHTDM_CURRENT_GREETER="$(lightdm --show-config 2>&1 | grep "greeter-session" | cut -d "=" -f 2)"
 889 : "${LIGHTDM_CURRENT_GREETER:="lightdm-gtk-greeter"}"
 890
 891 # LightDM - 読み込まれた設定ファイルの一覧
 892 LIGHTDM_LOADED_CONFIG=()
 893 while read -r line; do
 894     LIGHTDM_LOADED_CONFIG+=("${line}")
 895 done < <(printf "%s\n" $(lightdm --show-config 2>&1 | grep -x -A "$(lightdm --show-config 2>&1 | wc -l)" "Sources:" | grep -v "Sources") | sed -E "s|^[A-Z]$||g" | tr -d " ")
 896
 897 # Global
 898 CURSOR_THEMES=($(get_cursor_theme))
 899 USE_EDITOR="${EDITOR:-vi}"
 900 DISPLAY_MANAGER="lightdm"
 901
 902 # dmc config
 903 NON_INTERACTIVE=false
 904 WRITE_ALL_FILES=false
 905 NOROOT=false
 906
 907
 908 #== 引数解析 ==#
 909 ARGUMENT="${*}"
 910 OPTS="m:e:h"
 911 OPTL="mode:,editor:,help,non-interactive,noroot,write-all-files"
 912 if ! OPT="$(getopt -o ${OPTS} -l ${OPTL} -- ${ARGUMENT})"; then
 913     exit 1
 914 fi
 915
 916 eval set -- "${OPT}"
 917 unset OPT OPTS OPTL
 918
 919 while true; do
 920     case "${1}" in
 921         -m | --mode)
 922             DISPLAY_MANAGER="${2}"
 923             shift 2
 924             ;;
 925         -e | --editor)
 926             USE_EDITOR="${2}"
 927             shift 2
 928             ;;
 929         -h | --help)
 930             script_usage
 931             exit 0
 932             ;;
 933         --non-interactive)
 934             NON_INTERACTIVE=true
 935             shift 1
 936             ;;
 937         --noroot)
 938             NOROOT=true
 939             shift 1
 940             ;;
 941         --write-all-files)
 942             WRITE_ALL_FILES=true
 943             shift 1
 944             ;;
 945         --)
 946             shift 1
 947             break
 948             ;;
 949     esac
 950 done
 951
 952 COMMAND="${1:-null}"
 953 if (( "${#}" >= 1 )); then
 954     shift 1
 955 fi
 956 COMMAND_ARGS="${*}"
 957 : ${COMMAND_ARGS-""} # サブコマンドの引数が何も指定されなかった場合に空文字を代入
 958
 959 if [[ "${COMMAND}" = "null" ]]; then
 960     script_usage
 961     exit 1
 962 fi
 963
 964 case "${DISPLAY_MANAGER}" in
 965     "lightdm")
 966         case "${COMMAND}" in
 967             "autologin")
 968                 lightdm_init_configs
 969                 command_lightdm_auto_login ${COMMAND_ARGS}
 970                 ;;
 971             "greeter")
 972                 lightdm_init_configs
 973                 run_greeter_wizard
 974                 ;;
 975             "greeter-change")
 976                 lightdm_init_configs
 977                 command_lightdm_greeter_change ${COMMAND_ARGS}
 978                 ;;
 979             "greeter-create")
 980                 lightdm_init_configs
 981                 command_lightdm_greeter_create ${COMMAND_ARGS}
 982                 ;;
 983             "greeter-list")
 984                 command_lightdm_greeter_list
 985                 ;;
 986             "greeter-edit")
 987                 check_root
 988                 command_lightdm_greeter_edit ${COMMAND_ARGS}
 989                 ;;
 990             "remove")
 991                 check_root
 992                 command_lightdm_remove
 993                 ;;
 994             "edit")
 995                 check_root
 996                 command_lightdm_edit
 997                 ;;
 998             "show-config")
 999                 command_lightdm_show_config
1000                 ;;
1001             *)
1002                 msg_error "Undefined commnad(${COMMAND})"
1003                 ;;
1004         esac
1005         ;;
1006     "gdm")
1007         case "${COMMAND}" in
1008             "autologin")
1009                 gdm_init_configs
1010                 command_gdm_auto_login ${COMMAND_ARGS}
1011                 ;;
1012             "cursor")
1013                 gdm_init_configs
1014                 command_gdm_cursor_wizard
1015                 ;;
1016             "sound")
1017                 gdm_init_configs
1018                 command_gdm_sound ${COMMAND_ARGS}
1019                 ;;
1020             "logo")
1021                 gdm_init_configs
1022                 command_gdm_logo ${COMMAND_ARGS}
1023                 ;;
1024             "tap")
1025                 gdm_init_configs
1026                 command_gdm_tap ${COMMAND_ARGS}
1027                 ;;
1028             "accessibility")
1029                 gdm_init_configs
1030                 command_gdm_accessibility ${COMMAND_ARGS}
1031                 ;;
1032             "root-login")
1033                 gdm_init_configs
1034                 command_gdm_root_login ${COMMAND_ARGS}
1035                 ;;
1036             *)
1037                 msg_error "Undefined commnad(${COMMAND})"
1038                 ;;
1039         esac
1040         ;;
1041     "webkit2")
1042         case "${COMMAND}" in
1043             "theme")
1044                 webkit2_init_configs
1045                 command_webkit2_theme_wizard
1046                 ;;
1047             "theme-change")
1048                 webkit2_init_configs
1049                 command_webkit2_theme_change ${COMMAND_ARGS}
1050                 ;;
1051             *)
1052                 msg_error "Undefined commnad(${COMMAND})"
1053                 ;;
1054         esac
1055         ;;
1056     "qtquick")
1057         case "${COMMAND}" in
1058             "back")
1059                 qtquick_init_configs
1060                 command_qtquick_back ${COMMAND_ARGS}
1061                 ;;
1062         esac
1063         ;;
1064     *)
1065         msg_error "A display manager that is not currently supported."
1066         exit 1
1067         ;;
1068 esac
1069 exit 0