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Michael Brown
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Feb 17, 2009
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#include <string.h> | ||
#include <stdio.h> | ||
#include <gpxe/command.h> | ||
#include <gpxe/login_ui.h> | ||
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static int login_exec ( int argc, char **argv ) { | ||
int rc; | ||
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if ( argc > 1 ) { | ||
printf ( "Usage: %s\n" | ||
"Prompt for login credentials\n", argv[0] ); | ||
return 1; | ||
} | ||
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if ( ( rc = login_ui() ) != 0 ) { | ||
printf ( "Could not set credentials: %s\n", | ||
strerror ( rc ) ); | ||
return 1; | ||
} | ||
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return 0; | ||
} | ||
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struct command login_command __command = { | ||
.name = "login", | ||
.exec = login_exec, | ||
}; |
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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., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
*/ | ||
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/** @file | ||
* | ||
* Login UI | ||
* | ||
*/ | ||
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#include <string.h> | ||
#include <errno.h> | ||
#include <curses.h> | ||
#include <console.h> | ||
#include <gpxe/settings.h> | ||
#include <gpxe/editbox.h> | ||
#include <gpxe/keys.h> | ||
#include <gpxe/login_ui.h> | ||
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/* Colour pairs */ | ||
#define CPAIR_NORMAL 1 | ||
#define CPAIR_LABEL 2 | ||
#define CPAIR_EDITBOX 3 | ||
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/* Screen layout */ | ||
#define USERNAME_LABEL_ROW 8 | ||
#define USERNAME_ROW 10 | ||
#define PASSWORD_LABEL_ROW 14 | ||
#define PASSWORD_ROW 16 | ||
#define LABEL_COL 36 | ||
#define EDITBOX_COL 30 | ||
#define EDITBOX_WIDTH 20 | ||
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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; | ||
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/* Fetch current setting values */ | ||
fetch_string_setting ( NULL, &username_setting, username, | ||
sizeof ( username ) ); | ||
fetch_string_setting ( NULL, &password_setting, password, | ||
sizeof ( password ) ); | ||
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/* Initialise UI */ | ||
initscr(); | ||
start_color(); | ||
init_pair ( CPAIR_NORMAL, COLOR_WHITE, COLOR_BLACK ); | ||
init_pair ( CPAIR_LABEL, COLOR_WHITE, COLOR_BLACK ); | ||
init_pair ( CPAIR_EDITBOX, COLOR_WHITE, COLOR_BLUE ); | ||
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 ); | ||
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/* Draw initial UI */ | ||
erase(); | ||
color_set ( CPAIR_LABEL, NULL ); | ||
mvprintw ( USERNAME_LABEL_ROW, LABEL_COL, "Username:" ); | ||
mvprintw ( PASSWORD_LABEL_ROW, LABEL_COL, "Password:" ); | ||
color_set ( CPAIR_EDITBOX, NULL ); | ||
draw_editbox ( &username_box ); | ||
draw_editbox ( &password_box ); | ||
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/* Main loop */ | ||
while ( rc == -EINPROGRESS ) { | ||
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draw_editbox ( current_box ); | ||
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key = getkey(); | ||
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; | ||
} | ||
} | ||
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/* Terminate UI */ | ||
color_set ( CPAIR_NORMAL, NULL ); | ||
erase(); | ||
endwin(); | ||
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if ( rc != 0 ) | ||
return rc; | ||
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/* 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; | ||
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return 0; | ||
} |
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Original file line number | Diff line number | Diff line change |
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#ifndef _GPXE_LOGIN_UI_H | ||
#define _GPXE_LOGIN_UI_H | ||
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/** @file | ||
* | ||
* Login UI | ||
* | ||
*/ | ||
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extern int login_ui ( void ); | ||
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#endif /* _GPXE_LOGIN_UI_H */ |