1 | /* GIO - GLib Input, Output and Streaming Library |
2 | * |
3 | * Copyright (C) 2011 Collabora, Ltd. |
4 | * |
5 | * This library is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2.1 of the License, or (at your option) any later version. |
9 | * |
10 | * This library is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU Lesser General |
16 | * Public License along with this library; if not, see <http://www.gnu.org/licenses/>. |
17 | * |
18 | * Author: Stef Walter <stefw@collabora.co.uk> |
19 | */ |
20 | |
21 | #include "config.h" |
22 | |
23 | #include <glib.h> |
24 | #include <glib/gprintf.h> |
25 | #include <string.h> |
26 | |
27 | #ifdef G_OS_WIN32 |
28 | #include <conio.h> |
29 | #endif |
30 | |
31 | #include "gtlsconsoleinteraction.h" |
32 | |
33 | /* |
34 | * WARNING: This is not the example you're looking for [slow hand wave]. This |
35 | * is not industrial strength, it's just for testing. It uses embarrassing |
36 | * functions like getpass() and does lazy things with threads. |
37 | */ |
38 | |
39 | G_DEFINE_TYPE (GTlsConsoleInteraction, g_tls_console_interaction, G_TYPE_TLS_INTERACTION) |
40 | |
41 | #if defined(G_OS_WIN32) || defined(__BIONIC__) |
42 | /* win32 doesn't have getpass() */ |
43 | #include <stdio.h> |
44 | #ifndef BUFSIZ |
45 | #define BUFSIZ 8192 |
46 | #endif |
47 | static gchar * |
48 | getpass (const gchar *prompt) |
49 | { |
50 | static gchar buf[BUFSIZ]; |
51 | gint i; |
52 | |
53 | g_printf ("%s" , prompt); |
54 | fflush (stdout); |
55 | |
56 | for (i = 0; i < BUFSIZ - 1; ++i) |
57 | { |
58 | #ifdef __BIONIC__ |
59 | buf[i] = getc (stdin); |
60 | #else |
61 | buf[i] = _getch (); |
62 | #endif |
63 | if (buf[i] == '\r') |
64 | break; |
65 | } |
66 | buf[i] = '\0'; |
67 | |
68 | g_printf ("\n" ); |
69 | |
70 | return &buf[0]; |
71 | } |
72 | #endif |
73 | |
74 | static GTlsInteractionResult |
75 | g_tls_console_interaction_ask_password (GTlsInteraction *interaction, |
76 | GTlsPassword *password, |
77 | GCancellable *cancellable, |
78 | GError **error) |
79 | { |
80 | const gchar *value; |
81 | gchar *prompt; |
82 | |
83 | prompt = g_strdup_printf (format: "Password \"%s\"': " , g_tls_password_get_description (password)); |
84 | value = getpass (prompt: prompt); |
85 | g_free (mem: prompt); |
86 | |
87 | if (g_cancellable_set_error_if_cancelled (cancellable, error)) |
88 | return G_TLS_INTERACTION_FAILED; |
89 | |
90 | g_tls_password_set_value (password, value: (guchar *)value, length: -1); |
91 | return G_TLS_INTERACTION_HANDLED; |
92 | } |
93 | |
94 | static void |
95 | ask_password_with_getpass (GTask *task, |
96 | gpointer object, |
97 | gpointer task_data, |
98 | GCancellable *cancellable) |
99 | { |
100 | GTlsPassword *password = task_data; |
101 | GError *error = NULL; |
102 | |
103 | g_tls_console_interaction_ask_password (G_TLS_INTERACTION (object), password, |
104 | cancellable, error: &error); |
105 | if (error != NULL) |
106 | g_task_return_error (task, error); |
107 | else |
108 | g_task_return_int (task, result: G_TLS_INTERACTION_HANDLED); |
109 | } |
110 | |
111 | static void |
112 | g_tls_console_interaction_ask_password_async (GTlsInteraction *interaction, |
113 | GTlsPassword *password, |
114 | GCancellable *cancellable, |
115 | GAsyncReadyCallback callback, |
116 | gpointer user_data) |
117 | { |
118 | GTask *task; |
119 | |
120 | task = g_task_new (source_object: interaction, cancellable, callback, callback_data: user_data); |
121 | g_task_set_task_data (task, g_object_ref (password), task_data_destroy: g_object_unref); |
122 | g_task_run_in_thread (task, task_func: ask_password_with_getpass); |
123 | g_object_unref (object: task); |
124 | } |
125 | |
126 | static GTlsInteractionResult |
127 | g_tls_console_interaction_ask_password_finish (GTlsInteraction *interaction, |
128 | GAsyncResult *result, |
129 | GError **error) |
130 | { |
131 | GTlsInteractionResult ret; |
132 | |
133 | g_return_val_if_fail (g_task_is_valid (result, interaction), |
134 | G_TLS_INTERACTION_FAILED); |
135 | |
136 | ret = g_task_propagate_int (G_TASK (result), error); |
137 | if (ret == (GTlsInteractionResult)-1) |
138 | return G_TLS_INTERACTION_FAILED; |
139 | else |
140 | return ret; |
141 | } |
142 | |
143 | static void |
144 | g_tls_console_interaction_init (GTlsConsoleInteraction *interaction) |
145 | { |
146 | |
147 | } |
148 | |
149 | static void |
150 | g_tls_console_interaction_class_init (GTlsConsoleInteractionClass *klass) |
151 | { |
152 | GTlsInteractionClass *interaction_class = G_TLS_INTERACTION_CLASS (klass); |
153 | interaction_class->ask_password = g_tls_console_interaction_ask_password; |
154 | interaction_class->ask_password_async = g_tls_console_interaction_ask_password_async; |
155 | interaction_class->ask_password_finish = g_tls_console_interaction_ask_password_finish; |
156 | } |
157 | |
158 | GTlsInteraction * |
159 | g_tls_console_interaction_new (void) |
160 | { |
161 | return g_object_new (G_TYPE_TLS_CONSOLE_INTERACTION, NULL); |
162 | } |
163 | |