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- /*
- * Copyright (C) 2009 Michael Brown <mbrown@fensystems.co.uk>.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA.
- *
- * You can also choose to distribute this program under the terms of
- * the Unmodified Binary Distribution Licence (as given in the file
- * COPYING.UBDL), provided that you have satisfied its requirements.
- */
-
- FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
-
- /** @file
- *
- * Login UI
- *
- */
-
- #include <string.h>
- #include <errno.h>
- #include <curses.h>
- #include <ipxe/console.h>
- #include <ipxe/settings.h>
- #include <ipxe/editbox.h>
- #include <ipxe/keys.h>
- #include <ipxe/ansicol.h>
- #include <ipxe/login_ui.h>
-
- /* Screen layout */
- #define USERNAME_LABEL_ROW ( ( LINES / 2U ) - 4U )
- #define USERNAME_ROW ( ( LINES / 2U ) - 2U )
- #define PASSWORD_LABEL_ROW ( ( LINES / 2U ) + 2U )
- #define PASSWORD_ROW ( ( LINES / 2U ) + 4U )
- #define LABEL_COL ( ( COLS / 2U ) - 4U )
- #define EDITBOX_COL ( ( COLS / 2U ) - 10U )
- #define EDITBOX_WIDTH 20U
-
- int login_ui ( void ) {
- char username[64];
- char password[64];
- struct edit_box username_box;
- struct edit_box password_box;
- struct edit_box *current_box = &username_box;
- int key;
- int rc = -EINPROGRESS;
-
- /* Fetch current setting values */
- fetch_string_setting ( NULL, &username_setting, username,
- sizeof ( username ) );
- fetch_string_setting ( NULL, &password_setting, password,
- sizeof ( password ) );
-
- /* Initialise UI */
- initscr();
- start_color();
- init_editbox ( &username_box, username, sizeof ( username ), NULL,
- USERNAME_ROW, EDITBOX_COL, EDITBOX_WIDTH, 0 );
- init_editbox ( &password_box, password, sizeof ( password ), NULL,
- PASSWORD_ROW, EDITBOX_COL, EDITBOX_WIDTH,
- EDITBOX_STARS );
-
- /* Draw initial UI */
- color_set ( CPAIR_NORMAL, NULL );
- erase();
- attron ( A_BOLD );
- mvprintw ( USERNAME_LABEL_ROW, LABEL_COL, "Username:" );
- mvprintw ( PASSWORD_LABEL_ROW, LABEL_COL, "Password:" );
- attroff ( A_BOLD );
- color_set ( CPAIR_EDIT, NULL );
- draw_editbox ( &username_box );
- draw_editbox ( &password_box );
-
- /* Main loop */
- while ( rc == -EINPROGRESS ) {
-
- draw_editbox ( current_box );
-
- key = getkey ( 0 );
- switch ( key ) {
- case KEY_DOWN:
- current_box = &password_box;
- break;
- case KEY_UP:
- current_box = &username_box;
- break;
- case TAB:
- current_box = ( ( current_box == &username_box ) ?
- &password_box : &username_box );
- break;
- case KEY_ENTER:
- if ( current_box == &username_box ) {
- current_box = &password_box;
- } else {
- rc = 0;
- }
- break;
- case CTRL_C:
- case ESC:
- rc = -ECANCELED;
- break;
- default:
- edit_editbox ( current_box, key );
- break;
- }
- }
-
- /* Terminate UI */
- color_set ( CPAIR_NORMAL, NULL );
- erase();
- endwin();
-
- if ( rc != 0 )
- return rc;
-
- /* Store settings */
- if ( ( rc = store_setting ( NULL, &username_setting, username,
- strlen ( username ) ) ) != 0 )
- return rc;
- if ( ( rc = store_setting ( NULL, &password_setting, password,
- strlen ( password ) ) ) != 0 )
- return rc;
-
- return 0;
- }
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