1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/*
* 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_LICENCE ( GPL2_OR_LATER );
/** @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;
}
|
