4 * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * $Id: sdp.c,v 1.3 2004/02/17 22:14:57 max Exp $
32 #include <sys/queue.h>
33 #include <bluetooth.h>
34 #include <dev/usb/usb.h>
35 #include <dev/usb/usbhid.h>
41 #include "bthid_config.h"
42 #include "bthidcontrol.h"
44 static int32_t hid_sdp_query (bdaddr_t const *local, struct hid_device *hd, int32_t *error);
45 static int32_t hid_sdp_parse_protocol_descriptor_list (sdp_attr_p a);
46 static int32_t hid_sdp_parse_hid_descriptor (sdp_attr_p a);
47 static int32_t hid_sdp_parse_boolean (sdp_attr_p a);
49 static uint16_t service = SDP_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE;
51 static uint32_t attrs[] = {
52 SDP_ATTR_RANGE( SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST,
53 SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST),
54 SDP_ATTR_RANGE (SDP_ATTR_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS,
55 SDP_ATTR_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS),
56 SDP_ATTR_RANGE( 0x0205, /* HIDReconnectInitiate */
58 SDP_ATTR_RANGE( 0x0206, /* HIDDescriptorList */
60 SDP_ATTR_RANGE( 0x0209, /* HIDBatteryPower */
62 SDP_ATTR_RANGE( 0x020d, /* HIDNormallyConnectable */
65 #define nattrs (sizeof(attrs)/sizeof(attrs[0]))
67 static sdp_attr_t values[8];
68 #define nvalues (sizeof(values)/sizeof(values[0]))
70 static uint8_t buffer[nvalues][512];
76 #undef hid_sdp_query_exit
77 #define hid_sdp_query_exit(e) { \
84 return (((e) == 0)? 0 : -1); \
88 hid_sdp_query(bdaddr_t const *local, struct hid_device *hd, int32_t *error)
91 uint8_t *hid_descriptor = NULL;
92 int32_t i, control_psm = -1, interrupt_psm = -1,
93 reconnect_initiate = -1,
94 normally_connectable = 0, battery_power = 0,
95 hid_descriptor_length = -1;
98 local = NG_HCI_BDADDR_ANY;
100 hid_sdp_query_exit(EINVAL);
102 for (i = 0; i < nvalues; i ++) {
103 values[i].flags = SDP_ATTR_INVALID;
105 values[i].vlen = sizeof(buffer[i]);
106 values[i].value = buffer[i];
109 if ((ss = sdp_open(local, &hd->bdaddr)) == NULL)
110 hid_sdp_query_exit(ENOMEM);
111 if (sdp_error(ss) != 0)
112 hid_sdp_query_exit(sdp_error(ss));
113 if (sdp_search(ss, 1, &service, nattrs, attrs, nvalues, values) != 0)
114 hid_sdp_query_exit(sdp_error(ss));
119 for (i = 0; i < nvalues; i ++) {
120 if (values[i].flags != SDP_ATTR_OK)
123 switch (values[i].attr) {
124 case SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST:
125 control_psm = hid_sdp_parse_protocol_descriptor_list(&values[i]);
128 case SDP_ATTR_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS:
129 interrupt_psm = hid_sdp_parse_protocol_descriptor_list(&values[i]);
132 case 0x0205: /* HIDReconnectInitiate */
133 reconnect_initiate = hid_sdp_parse_boolean(&values[i]);
136 case 0x0206: /* HIDDescriptorList */
137 if (hid_sdp_parse_hid_descriptor(&values[i]) == 0) {
138 hid_descriptor = values[i].value;
139 hid_descriptor_length = values[i].vlen;
143 case 0x0209: /* HIDBatteryPower */
144 battery_power = hid_sdp_parse_boolean(&values[i]);
147 case 0x020d: /* HIDNormallyConnectable */
148 normally_connectable = hid_sdp_parse_boolean(&values[i]);
153 if (control_psm == -1 || interrupt_psm == -1 ||
154 reconnect_initiate == -1 ||
155 hid_descriptor == NULL || hid_descriptor_length == -1)
156 hid_sdp_query_exit(ENOATTR);
158 hd->control_psm = control_psm;
159 hd->interrupt_psm = interrupt_psm;
160 hd->reconnect_initiate = reconnect_initiate? 1 : 0;
161 hd->battery_power = battery_power? 1 : 0;
162 hd->normally_connectable = normally_connectable? 1 : 0;
163 hd->desc = hid_use_report_desc(hid_descriptor, hid_descriptor_length);
164 if (hd->desc == NULL)
165 hid_sdp_query_exit(ENOMEM);
180 hid_sdp_parse_protocol_descriptor_list(sdp_attr_p a)
182 uint8_t *ptr = a->value;
183 uint8_t *end = a->value + a->vlen;
184 int32_t type, len, uuid, psm;
189 if (a->attr == SDP_ATTR_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS) {
257 case SDP_DATA_UUID16:
258 SDP_GET16(uuid, ptr);
259 if (uuid != SDP_UUID_PROTOCOL_L2CAP)
263 case SDP_DATA_UUID32: /* XXX FIXME can we have 32-bit UUID */
264 case SDP_DATA_UUID128: /* XXX FIXME can we have 128-bit UUID */
273 if (type != SDP_DATA_UINT16)
288 hid_sdp_parse_hid_descriptor(sdp_attr_p a)
290 uint8_t *ptr = a->value;
291 uint8_t *end = a->value + a->vlen;
292 int32_t type, len, descriptor_type;
347 if (type != SDP_DATA_UINT8 || ptr + 1 > end)
349 SDP_GET8(descriptor_type, ptr);
351 /* Descriptor value */
380 if (descriptor_type == UDESC_REPORT && len > 0) {
395 hid_sdp_parse_boolean(sdp_attr_p a)
397 if (a->vlen != 2 || a->value[0] != SDP_DATA_BOOL)
400 return (a->value[1]);
403 /* Perform SDP query */
405 hid_query(bdaddr_t *bdaddr, int argc, char **argv)
407 struct hid_device hd;
410 memcpy(&hd.bdaddr, bdaddr, sizeof(hd.bdaddr));
411 if (hid_sdp_query(NULL, &hd, &e) < 0) {
412 fprintf(stderr, "Could not perform SDP query on the " \
413 "device %s. %s (%d)\n", bt_ntoa(bdaddr, NULL),
418 print_hid_device(&hd, stdout);
423 struct bthid_command sdp_commands[] =
427 "Perform SDP query to the specified device and print HID configuration entry\n"\
428 "for the device. The configuration entry should be appended to the Bluetooth\n"\
429 "HID daemon configuration file and the daemon should be restarted.\n",