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      1 /*
      2  *
      3  *  BlueZ - Bluetooth protocol stack for Linux
      4  *
      5  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel (at) holtmann.org>
      6  *
      7  *
      8  *  This program is free software; you can redistribute it and/or modify
      9  *  it under the terms of the GNU General Public License as published by
     10  *  the Free Software Foundation; either version 2 of the License, or
     11  *  (at your option) any later version.
     12  *
     13  *  This program is distributed in the hope that it will be useful,
     14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
     15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     16  *  GNU General Public License for more details.
     17  *
     18  *  You should have received a copy of the GNU General Public License
     19  *  along with this program; if not, write to the Free Software
     20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
     21  *
     22  */
     23 
     24 #ifdef HAVE_CONFIG_H
     25 #include <config.h>
     26 #endif
     27 
     28 #include <ctype.h>
     29 #include <dirent.h>
     30 #include <errno.h>
     31 #include <fcntl.h>
     32 #include <stdio.h>
     33 #include <stdlib.h>
     34 #include <string.h>
     35 #include <termios.h>
     36 #include <unistd.h>
     37 #include <arpa/inet.h>
     38 #include <sys/param.h>
     39 #include <sys/ioctl.h>
     40 #include <sys/stat.h>
     41 #include <sys/types.h>
     42 #include <sys/un.h>
     43 
     44 #include <bluetooth/bluetooth.h>
     45 #include <bluetooth/hci.h>
     46 #include <bluetooth/hci_lib.h>
     47 #include <bluetooth/sdp.h>
     48 #include <bluetooth/sdp_lib.h>
     49 #include <bluetooth/rfcomm.h>
     50 
     51 #include <glib.h>
     52 #include <gdbus.h>
     53 
     54 #include "../src/dbus-common.h"
     55 #include "adapter.h"
     56 #include "device.h"
     57 
     58 #include "log.h"
     59 #include "textfile.h"
     60 
     61 #include "error.h"
     62 #include "port.h"
     63 #include "proxy.h"
     64 #include "storage.h"
     65 #include "manager.h"
     66 #include "sdpd.h"
     67 #include "glib-helper.h"
     68 
     69 #define RFCOMM_UUID_STR		"00000003-0000-1000-8000-00805F9B34FB"
     70 
     71 static DBusConnection *connection = NULL;
     72 
     73 static int serial_probe(struct btd_device *device, const char *uuid)
     74 {
     75 	struct btd_adapter *adapter = device_get_adapter(device);
     76 	const gchar *path = device_get_path(device);
     77 	sdp_list_t *protos;
     78 	int ch;
     79 	bdaddr_t src, dst;
     80 	const sdp_record_t *rec;
     81 
     82 	DBG("path %s: %s", path, uuid);
     83 
     84 	rec = btd_device_get_record(device, uuid);
     85 	if (!rec)
     86 		return -EINVAL;
     87 
     88 	if (sdp_get_access_protos(rec, &protos) < 0)
     89 		return -EINVAL;
     90 
     91 	ch = sdp_get_proto_port(protos, RFCOMM_UUID);
     92 	sdp_list_foreach(protos, (sdp_list_func_t) sdp_list_free, NULL);
     93 	sdp_list_free(protos, NULL);
     94 
     95 	if (ch < 1 || ch > 30) {
     96 		error("Channel out of range: %d", ch);
     97 		return -EINVAL;
     98 	}
     99 
    100 	adapter_get_address(adapter, &src);
    101 	device_get_address(device, &dst);
    102 
    103 	return port_register(connection, path, &src, &dst, uuid, ch);
    104 }
    105 
    106 static void serial_remove(struct btd_device *device)
    107 {
    108 	const gchar *path = device_get_path(device);
    109 
    110 	DBG("path %s", path);
    111 
    112 	port_unregister(path);
    113 }
    114 
    115 
    116 static int port_probe(struct btd_device *device, GSList *uuids)
    117 {
    118 	while (uuids) {
    119 		serial_probe(device, uuids->data);
    120 		uuids = uuids->next;
    121 	}
    122 
    123 	return 0;
    124 }
    125 
    126 static void port_remove(struct btd_device *device)
    127 {
    128 	return serial_remove(device);
    129 }
    130 
    131 static struct btd_device_driver serial_port_driver = {
    132 	.name	= "serial-port",
    133 	.uuids	= BTD_UUIDS(RFCOMM_UUID_STR),
    134 	.probe	= port_probe,
    135 	.remove	= port_remove,
    136 };
    137 
    138 static int proxy_probe(struct btd_adapter *adapter)
    139 {
    140 	const char *path = adapter_get_path(adapter);
    141 
    142 	DBG("path %s", path);
    143 
    144 	return proxy_register(connection, adapter);
    145 }
    146 
    147 static void proxy_remove(struct btd_adapter *adapter)
    148 {
    149 	const char *path = adapter_get_path(adapter);
    150 
    151 	DBG("path %s", path);
    152 
    153 	proxy_unregister(adapter);
    154 }
    155 
    156 static struct btd_adapter_driver serial_proxy_driver = {
    157 	.name	= "serial-proxy",
    158 	.probe	= proxy_probe,
    159 	.remove	= proxy_remove,
    160 };
    161 
    162 int serial_manager_init(DBusConnection *conn)
    163 {
    164 	connection = dbus_connection_ref(conn);
    165 
    166 	btd_register_adapter_driver(&serial_proxy_driver);
    167 	btd_register_device_driver(&serial_port_driver);
    168 
    169 	return 0;
    170 }
    171 
    172 void serial_manager_exit(void)
    173 {
    174 	btd_unregister_device_driver(&serial_port_driver);
    175 
    176 	dbus_connection_unref(connection);
    177 	connection = NULL;
    178 }
    179