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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2008 Marcel Holtmann <marcel@holtmann.org>
*
*
* 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
* (at your option) 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/sdp.h>
#include <bluetooth/sdp_lib.h>
#include <glib.h>
#include <dbus/dbus.h>
#include <gdbus.h>
#include "sdp-xml.h"
#include "logging.h"
#include "sdpd.h"
#include "system.h"
#include "database.h"
#define DATABASE_INTERFACE "org.bluez.Database"
static DBusConnection *connection = NULL;
static GSList *records = NULL;
struct record_data {
uint32_t handle;
char *sender;
guint listener_id;
};
static struct record_data *find_record(uint32_t handle, const char *sender)
{
GSList *list;
for (list = records; list; list = list->next) {
struct record_data *data = list->data;
if (handle == data->handle && !strcmp(sender, data->sender))
return data;
}
return NULL;
}
static void exit_callback(void *user_data)
{
struct record_data *user_record = user_data;
records = g_slist_remove(records, user_record);
remove_record_from_server(user_record->handle);
free(user_record);
}
static DBusHandlerResult add_service_record(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessage *reply;
DBusMessageIter iter, array;
dbus_uint32_t handle = 0x12345;
const uint8_t *record;
int i, len = -1;
dbus_message_iter_init(msg, &iter);
dbus_message_iter_recurse(&iter, &array);
dbus_message_iter_get_fixed_array(&array, &record, &len);
if (len < 0)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
for (i = 0; i < len; i++)
debug("0x%02x", record[i]);
reply = dbus_message_new_method_return(msg);
if (!reply)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
dbus_message_append_args(reply, DBUS_TYPE_UINT32, &handle,
DBUS_TYPE_INVALID);
return dbus_connection_send_and_unref(conn, reply);
}
static DBusHandlerResult add_service_record_from_xml(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessage *reply;
const char *sender, *record;
struct record_data *user_record;
sdp_record_t *sdp_record;
dbus_message_get_args(msg, NULL,
DBUS_TYPE_STRING, &record, DBUS_TYPE_INVALID);
user_record = malloc(sizeof(*user_record));
if (!user_record)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
sdp_record = sdp_xml_parse_record(record, strlen(record));
if (!sdp_record) {
error("Parsing of XML service record failed");
free(user_record);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if (add_record_to_server(BDADDR_ANY, sdp_record) < 0) {
error("Failed to register service record");
free(user_record);
sdp_record_free(sdp_record);
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
sender = dbus_message_get_sender(msg);
user_record->handle = sdp_record->handle;
user_record->sender = strdup(sender);
records = g_slist_append(records, user_record);
user_record->listener_id = g_dbus_add_disconnect_watch(conn, sender,
exit_callback,
user_record, NULL);
reply = dbus_message_new_method_return(msg);
if (!reply)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
dbus_message_append_args(reply, DBUS_TYPE_UINT32, &user_record->handle,
DBUS_TYPE_INVALID);
return dbus_connection_send_and_unref(conn, reply);
}
static DBusHandlerResult remove_service_record(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessage *reply;
dbus_uint32_t handle;
const char *sender;
struct record_data *user_record;
dbus_message_get_args(msg, NULL,
DBUS_TYPE_UINT32, &handle, DBUS_TYPE_INVALID);
sender = dbus_message_get_sender(msg);
user_record = find_record(handle, sender);
if (!user_record)
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
g_dbus_remove_watch(conn, user_record->listener_id);
remove_record_from_server(handle);
free(user_record);
reply = dbus_message_new_method_return(msg);
if (!reply)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
dbus_message_append_args(reply, DBUS_TYPE_INVALID);
return dbus_connection_send_and_unref(conn, reply);
}
static DBusMethodVTable database_table[] = {
{ "AddServiceRecord", add_service_record,
DBUS_TYPE_BYTE_ARRAY_AS_STRING, DBUS_TYPE_UINT32_AS_STRING },
{ "AddServiceRecordFromXML", add_service_record_from_xml,
DBUS_TYPE_STRING_AS_STRING, DBUS_TYPE_UINT32_AS_STRING },
{ "RemoveServiceRecord", remove_service_record,
DBUS_TYPE_UINT32_AS_STRING, DBUS_TYPE_INVALID_AS_STRING },
{ }
};
int database_init(DBusConnection *conn)
{
connection = dbus_connection_ref(conn);
info("Starting database interface");
if (dbus_connection_register_interface(connection, SYSTEM_PATH,
DATABASE_INTERFACE, database_table, NULL, NULL) == FALSE) {
error("Database interface registration failed");
dbus_connection_unref(connection);
return -1;
}
return 0;
}
void database_exit(void)
{
info("Stopping database interface");
dbus_connection_unregister_interface(connection,
SYSTEM_PATH, DATABASE_INTERFACE);
dbus_connection_unref(connection);
connection = NULL;
}
|
