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[login] Add "login" command and UI
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Michael Brown committed Feb 17, 2009
1 parent bea828b commit 6de4db5
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Showing 6 changed files with 179 additions and 0 deletions.
1 change: 1 addition & 0 deletions src/config/general.h
Expand Up @@ -100,6 +100,7 @@
#define IMAGE_CMD /* Image management commands */
#define DHCP_CMD /* DHCP management commands */
#define SANBOOT_CMD /* SAN boot commands */
#define LOGIN_CMD /* Login command */

/*
* Obscure configuration options
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3 changes: 3 additions & 0 deletions src/core/config.c
Expand Up @@ -193,6 +193,9 @@ REQUIRE_OBJECT ( dhcp_cmd );
#ifdef SANBOOT_CMD
REQUIRE_OBJECT ( sanboot_cmd );
#endif
#ifdef LOGIN_CMD
REQUIRE_OBJECT ( login_cmd );
#endif

/*
* Drag in miscellaneous objects
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27 changes: 27 additions & 0 deletions src/hci/commands/login_cmd.c
@@ -0,0 +1,27 @@
#include <string.h>
#include <stdio.h>
#include <gpxe/command.h>
#include <gpxe/login_ui.h>

static int login_exec ( int argc, char **argv ) {
int rc;

if ( argc > 1 ) {
printf ( "Usage: %s\n"
"Prompt for login credentials\n", argv[0] );
return 1;
}

if ( ( rc = login_ui() ) != 0 ) {
printf ( "Could not set credentials: %s\n",
strerror ( rc ) );
return 1;
}

return 0;
}

struct command login_command __command = {
.name = "login",
.exec = login_exec,
};
135 changes: 135 additions & 0 deletions src/hci/tui/login_ui.c
@@ -0,0 +1,135 @@
/*
* 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.
*/

/** @file
*
* Login UI
*
*/

#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>

/* Colour pairs */
#define CPAIR_NORMAL 1
#define CPAIR_LABEL 2
#define CPAIR_EDITBOX 3

/* 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

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_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 );

/* 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 );

/* Main loop */
while ( rc == -EINPROGRESS ) {

draw_editbox ( current_box );

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;
}
}

/* 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;
}
1 change: 1 addition & 0 deletions src/include/gpxe/errfile.h
Expand Up @@ -171,6 +171,7 @@
#define ERRFILE_efi_smbios ( ERRFILE_OTHER | 0x00140000 )
#define ERRFILE_pxemenu ( ERRFILE_OTHER | 0x00150000 )
#define ERRFILE_x509 ( ERRFILE_OTHER | 0x00160000 )
#define ERRFILE_login_ui ( ERRFILE_OTHER | 0x00170000 )

/** @} */

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12 changes: 12 additions & 0 deletions src/include/gpxe/login_ui.h
@@ -0,0 +1,12 @@
#ifndef _GPXE_LOGIN_UI_H
#define _GPXE_LOGIN_UI_H

/** @file
*
* Login UI
*
*/

extern int login_ui ( void );

#endif /* _GPXE_LOGIN_UI_H */

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