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/* $NetBSD: search.c,v 1.2 2006/08/17 20:13:31 plunky Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Itronix Inc. may not be used to endorse
* or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ITRONIX INC. BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* search.c
*
* Copyright (c) 2001-2003 Maksim Yevmenkin <m_evmenkin@yahoo.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: search.c,v 1.2 2006/08/17 20:13:31 plunky Exp $
* $FreeBSD: src/usr.sbin/bluetooth/sdpcontrol/search.c,v 1.4 2005/05/27 19:11:33 emax Exp $
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: search.c,v 1.2 2006/08/17 20:13:31 plunky Exp $");
#include <netinet/in.h>
#include <bluetooth.h>
#include <err.h>
#include <errno.h>
#include <ctype.h>
#include <sdp.h>
#include <stdio.h>
#include <stdlib.h>
#include "sdpquery.h"
/* List of the attributes we are looking for */
static uint32_t attrs[] =
{
SDP_ATTR_RANGE( SDP_ATTR_SERVICE_RECORD_HANDLE,
SDP_ATTR_SERVICE_RECORD_HANDLE),
SDP_ATTR_RANGE( SDP_ATTR_SERVICE_CLASS_ID_LIST,
SDP_ATTR_SERVICE_CLASS_ID_LIST),
SDP_ATTR_RANGE( SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST,
SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST),
SDP_ATTR_RANGE( SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST,
SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST)
};
#define attrs_len (sizeof(attrs)/sizeof(attrs[0]))
/* Buffer for the attributes */
#define NRECS 25 /* request this much records from the SDP server */
#define BSIZE 256 /* one attribute buffer size */
static uint8_t buffer[NRECS * attrs_len][BSIZE];
/* SDP attributes */
static sdp_attr_t values[NRECS * attrs_len];
#define values_len (sizeof(values)/sizeof(values[0]))
/*
* Print Service Class ID List
*
* The ServiceClassIDList attribute consists of a data element sequence in
* which each data element is a UUID representing the service classes that
* a given service record conforms to. The UUIDs are listed in order from
* the most specific class to the most general class. The ServiceClassIDList
* must contain at least one service class UUID.
*/
static void
print_service_class_id_list(uint8_t const *start, uint8_t const *end)
{
uint32_t type, len, value;
if (end - start < 2) {
fprintf(stderr, "Invalid Service Class ID List. " \
"Too short, len=%zd\n", end - start);
return;
}
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_SEQ8:
SDP_GET8(len, start);
break;
case SDP_DATA_SEQ16:
SDP_GET16(len, start);
break;
case SDP_DATA_SEQ32:
SDP_GET32(len, start);
break;
default:
fprintf(stderr, "Invalid Service Class ID List. " \
"Not a sequence, type=%#x\n", type);
return;
/* NOT REACHED */
}
while (start < end) {
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_UUID16:
SDP_GET16(value, start);
fprintf(stdout, "\t%s (%#4.4x)\n",
sdp_uuid2desc(value), value);
break;
case SDP_DATA_UUID32:
SDP_GET32(value, start);
fprintf(stdout, "\t%#8.8x\n", value);
break;
case SDP_DATA_UUID128: {
int128_t uuid;
SDP_GET_UUID128(&uuid, start);
fprintf(stdout, "\t%#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
ntohl(*(uint32_t *)&uuid.b[0]),
ntohs(*(uint16_t *)&uuid.b[4]),
ntohs(*(uint16_t *)&uuid.b[6]),
ntohs(*(uint16_t *)&uuid.b[8]),
ntohs(*(uint16_t *)&uuid.b[10]),
ntohl(*(uint32_t *)&uuid.b[12]));
} break;
default:
fprintf(stderr, "Invalid Service Class ID List. " \
"Not a UUID, type=%#x\n", type);
return;
/* NOT REACHED */
}
}
} /* print_service_class_id_list */
/*
* Print Protocol Descriptor List
*
* If the ProtocolDescriptorList describes a single stack, it takes the form
* of a data element sequence in which each element of the sequence is a
* protocol descriptor. Each protocol descriptor is, in turn, a data element
* sequence whose first element is a UUID identifying the protocol and whose
* successive elements are protocol-specific parameters. The protocol
* descriptors are listed in order from the lowest layer protocol to the
* highest layer protocol used to gain access to the service. If it is possible
* for more than one kind of protocol stack to be used to gain access to the
* service, the ProtocolDescriptorList takes the form of a data element
* alternative where each member is a data element sequence as described above.
*/
static void
print_protocol_descriptor(uint8_t const *start, uint8_t const *end)
{
union {
uint8_t uint8;
uint16_t uint16;
uint32_t uint32;
uint64_t uint64;
int128_t int128;
} value;
uint32_t type, len, param;
/* Get Protocol UUID */
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_UUID16:
SDP_GET16(value.uint16, start);
fprintf(stdout, "\t%s (%#4.4x)\n", sdp_uuid2desc(value.uint16),
value.uint16);
break;
case SDP_DATA_UUID32:
SDP_GET32(value.uint32, start);
fprintf(stdout, "\t%#8.8x\n", value.uint32);
break;
case SDP_DATA_UUID128:
SDP_GET_UUID128(&value.int128, start);
fprintf(stdout, "\t%#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
ntohl(*(uint32_t *)&value.int128.b[0]),
ntohs(*(uint16_t *)&value.int128.b[4]),
ntohs(*(uint16_t *)&value.int128.b[6]),
ntohs(*(uint16_t *)&value.int128.b[8]),
ntohs(*(uint16_t *)&value.int128.b[10]),
ntohl(*(uint32_t *)&value.int128.b[12]));
break;
default:
fprintf(stderr, "Invalid Protocol Descriptor. " \
"Not a UUID, type=%#x\n", type);
return;
/* NOT REACHED */
}
/* Protocol specific parameters */
for (param = 1; start < end; param ++) {
fprintf(stdout, "\t\tProtocol specific parameter #%d: ", param);
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_NIL:
fprintf(stdout, "nil\n");
break;
case SDP_DATA_UINT8:
case SDP_DATA_INT8:
case SDP_DATA_BOOL:
SDP_GET8(value.uint8, start);
fprintf(stdout, "u/int8/bool %u\n", value.uint8);
break;
case SDP_DATA_UINT16:
case SDP_DATA_INT16:
case SDP_DATA_UUID16:
SDP_GET16(value.uint16, start);
fprintf(stdout, "u/int/uuid16 %u\n", value.uint16);
break;
case SDP_DATA_UINT32:
case SDP_DATA_INT32:
case SDP_DATA_UUID32:
SDP_GET32(value.uint32, start);
fprintf(stdout, "u/int/uuid32 %u\n", value.uint32);
break;
case SDP_DATA_UINT64:
case SDP_DATA_INT64:
SDP_GET64(value.uint64, start);
fprintf(stdout, "u/int64 %ju\n", value.uint64);
break;
case SDP_DATA_UINT128:
case SDP_DATA_INT128:
SDP_GET128(&value.int128, start);
fprintf(stdout, "u/int128 %#8.8x%8.8x%8.8x%8.8x\n",
*(uint32_t *)&value.int128.b[0],
*(uint32_t *)&value.int128.b[4],
*(uint32_t *)&value.int128.b[8],
*(uint32_t *)&value.int128.b[12]);
break;
case SDP_DATA_UUID128:
SDP_GET_UUID128(&value.int128, start);
fprintf(stdout, "uuid128 %#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
ntohl(*(uint32_t *)&value.int128.b[0]),
ntohs(*(uint16_t *)&value.int128.b[4]),
ntohs(*(uint16_t *)&value.int128.b[6]),
ntohs(*(uint16_t *)&value.int128.b[8]),
ntohs(*(uint16_t *)&value.int128.b[10]),
ntohl(*(uint32_t *)&value.int128.b[12]));
break;
case SDP_DATA_STR8:
case SDP_DATA_URL8:
SDP_GET8(len, start);
fprintf(stdout, "%*.*s\n", len, len, start);
start += len;
break;
case SDP_DATA_STR16:
case SDP_DATA_URL16:
SDP_GET16(len, start);
fprintf(stdout, "%*.*s\n", len, len, start);
start += len;
break;
case SDP_DATA_STR32:
case SDP_DATA_URL32:
SDP_GET32(len, start);
fprintf(stdout, "%*.*s\n", len, len, start);
start += len;
break;
case SDP_DATA_SEQ8:
case SDP_DATA_ALT8:
SDP_GET8(len, start);
for (; len > 0; start ++, len --)
fprintf(stdout, "%#2.2x ", *start);
fprintf(stdout, "\n");
break;
case SDP_DATA_SEQ16:
case SDP_DATA_ALT16:
SDP_GET16(len, start);
for (; len > 0; start ++, len --)
fprintf(stdout, "%#2.2x ", *start);
fprintf(stdout, "\n");
break;
case SDP_DATA_SEQ32:
case SDP_DATA_ALT32:
SDP_GET32(len, start);
for (; len > 0; start ++, len --)
fprintf(stdout, "%#2.2x ", *start);
fprintf(stdout, "\n");
break;
default:
fprintf(stderr, "Invalid Protocol Descriptor. " \
"Unknown data type: %#02x\n", type);
return;
/* NOT REACHED */
}
}
} /* print_protocol_descriptor */
static void
print_protocol_descriptor_list(uint8_t const *start, uint8_t const *end)
{
uint32_t type, len;
if (end - start < 2) {
fprintf(stderr, "Invalid Protocol Descriptor List. " \
"Too short, len=%zd\n", end - start);
return;
}
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_SEQ8:
SDP_GET8(len, start);
break;
case SDP_DATA_SEQ16:
SDP_GET16(len, start);
break;
case SDP_DATA_SEQ32:
SDP_GET32(len, start);
break;
default:
fprintf(stderr, "Invalid Protocol Descriptor List. " \
"Not a sequence, type=%#x\n", type);
return;
/* NOT REACHED */
}
while (start < end) {
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_SEQ8:
SDP_GET8(len, start);
break;
case SDP_DATA_SEQ16:
SDP_GET16(len, start);
break;
case SDP_DATA_SEQ32:
SDP_GET32(len, start);
break;
default:
fprintf(stderr, "Invalid Protocol Descriptor List. " \
"Not a sequence, type=%#x\n", type);
return;
/* NOT REACHED */
}
print_protocol_descriptor(start, start + len);
start += len;
}
} /* print_protocol_descriptor_list */
/*
* Print Bluetooth Profile Descriptor List
*
* The BluetoothProfileDescriptorList attribute consists of a data element
* sequence in which each element is a profile descriptor that contains
* information about a Bluetooth profile to which the service represented by
* this service record conforms. Each profile descriptor is a data element
* sequence whose first element is the UUID assigned to the profile and whose
* second element is a 16-bit profile version number. Each version of a profile
* is assigned a 16-bit unsigned integer profile version number, which consists
* of two 8-bit fields. The higher-order 8 bits contain the major version
* number field and the lower-order 8 bits contain the minor version number
* field.
*/
static void
print_bluetooth_profile_descriptor_list(uint8_t const *start, uint8_t const *end)
{
uint32_t type, len, value;
if (end - start < 2) {
fprintf(stderr, "Invalid Bluetooth Profile Descriptor List. " \
"Too short, len=%zd\n", end - start);
return;
}
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_SEQ8:
SDP_GET8(len, start);
break;
case SDP_DATA_SEQ16:
SDP_GET16(len, start);
break;
case SDP_DATA_SEQ32:
SDP_GET32(len, start);
break;
default:
fprintf(stderr, "Invalid Bluetooth Profile Descriptor List. " \
"Not a sequence, type=%#x\n", type);
return;
/* NOT REACHED */
}
while (start < end) {
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_SEQ8:
SDP_GET8(len, start);
break;
case SDP_DATA_SEQ16:
SDP_GET16(len, start);
break;
case SDP_DATA_SEQ32:
SDP_GET32(len, start);
break;
default:
fprintf(stderr, "Invalid Bluetooth Profile " \
"Descriptor List. " \
"Not a sequence, type=%#x\n", type);
return;
/* NOT REACHED */
}
/* Get UUID */
SDP_GET8(type, start);
switch (type) {
case SDP_DATA_UUID16:
SDP_GET16(value, start);
fprintf(stdout, "\t%s (%#4.4x) ",
sdp_uuid2desc(value), value);
break;
case SDP_DATA_UUID32:
SDP_GET32(value, start);
fprintf(stdout, "\t%#8.8x ", value);
break;
case SDP_DATA_UUID128: {
int128_t uuid;
SDP_GET_UUID128(&uuid, start);
fprintf(stdout, "\t%#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x ",
ntohl(*(uint32_t *)&uuid.b[0]),
ntohs(*(uint16_t *)&uuid.b[4]),
ntohs(*(uint16_t *)&uuid.b[6]),
ntohs(*(uint16_t *)&uuid.b[8]),
ntohs(*(uint16_t *)&uuid.b[10]),
ntohl(*(uint32_t *)&uuid.b[12]));
} break;
default:
fprintf(stderr, "Invalid Bluetooth Profile " \
"Descriptor List. " \
"Not a UUID, type=%#x\n", type);
return;
/* NOT REACHED */
}
/* Get version */
SDP_GET8(type, start);
if (type != SDP_DATA_UINT16) {
fprintf(stderr, "Invalid Bluetooth Profile " \
"Descriptor List. " \
"Invalid version type=%#x\n", type);
return;
}
SDP_GET16(value, start);
fprintf(stdout, "ver. %d.%d\n",
(value >> 8) & 0xff, value & 0xff);
}
} /* print_bluetooth_profile_descriptor_list */
struct service {
const char *name;
uint16_t class;
const char *description;
} services[] = {
{ "CIP", SDP_SERVICE_CLASS_COMMON_ISDN_ACCESS,
"Common ISDN Access" },
{ "CTP", SDP_SERVICE_CLASS_CORDLESS_TELEPHONY,
"Cordless Telephony" },
{ "DUN", SDP_SERVICE_CLASS_DIALUP_NETWORKING,
"Dial Up Networking" },
{ "FAX", SDP_SERVICE_CLASS_FAX,
"Fax" },
{ "FTRN", SDP_SERVICE_CLASS_OBEX_FILE_TRANSFER,
"Obex File Transfer" },
{ "GN", SDP_SERVICE_CLASS_GN,
"GN" },
{ "HID", SDP_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE,
"Human Interface Device" },
{ "HF", SDP_SERVICE_CLASS_HANDSFREE,
"Handsfree" },
{ "HSET", SDP_SERVICE_CLASS_HEADSET,
"Headset" },
{ "LAN", SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP,
"Lan access using PPP" },
{ "NAP", SDP_SERVICE_CLASS_NAP,
"Network Access Point" },
{ "OPUSH", SDP_SERVICE_CLASS_OBEX_OBJECT_PUSH,
"OBEX Object Push" },
{ "SP", SDP_SERVICE_CLASS_SERIAL_PORT,
"Serial Port" },
{ NULL }
};
/* Perform SDP search command */
int
do_sdp_search(bdaddr_t *laddr, bdaddr_t *raddr, int argc, char const **argv)
{
struct service *s;
void *xs;
char *ep;
int32_t n, type, value;
uint16_t service;
if (argc != 1)
goto usage;
service = strtoul(*argv, &ep, 16);
if (*ep != 0) {
for (s = services ; ; s++) {
if (s->name == NULL)
goto usage;
if (strcasecmp(s->name, *argv) == 0)
break;
}
service = s->class;
}
if (service < SDP_SERVICE_CLASS_SERVICE_DISCOVERY_SERVER)
goto usage;
/* Initialize attribute values array */
for (n = 0; n < values_len; n ++) {
values[n].flags = SDP_ATTR_INVALID;
values[n].attr = 0;
values[n].vlen = BSIZE;
values[n].value = buffer[n];
}
if (bdaddr_any(raddr))
xs = sdp_open_local(control_socket);
else
xs = sdp_open(laddr, raddr);
if (xs == NULL || (errno = sdp_error(xs)) != 0)
err(EXIT_FAILURE, "sdp_open");
/* Do SDP Service Search Attribute Request */
n = sdp_search(xs, 1, &service, attrs_len, attrs, values_len, values);
if (n != 0)
err(EXIT_FAILURE, "sdp_search");
sdp_close(xs);
/* Print attributes values */
for (n = 0; n < values_len; n ++) {
if (values[n].flags != SDP_ATTR_OK)
break;
switch (values[n].attr) {
case SDP_ATTR_SERVICE_RECORD_HANDLE:
fprintf(stdout, "\n");
if (values[n].vlen == 5) {
SDP_GET8(type, values[n].value);
if (type == SDP_DATA_UINT32) {
SDP_GET32(value, values[n].value);
fprintf(stdout, "Record Handle: " \
"%#8.8x\n", value);
} else
fprintf(stderr, "Invalid type=%#x " \
"Record Handle " \
"attribute!\n", type);
} else
fprintf(stderr, "Invalid size=%d for Record " \
"Handle attribute\n",
values[n].vlen);
break;
case SDP_ATTR_SERVICE_CLASS_ID_LIST:
fprintf(stdout, "Service Class ID List:\n");
print_service_class_id_list(values[n].value,
values[n].value + values[n].vlen);
break;
case SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST:
fprintf(stdout, "Protocol Descriptor List:\n");
print_protocol_descriptor_list(values[n].value,
values[n].value + values[n].vlen);
break;
case SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST:
fprintf(stdout, "Bluetooth Profile Descriptor List:\n");
print_bluetooth_profile_descriptor_list(values[n].value,
values[n].value + values[n].vlen);
break;
default:
fprintf(stderr, "Unexpected attribute ID=%#4.4x\n",
values[n].attr);
break;
}
}
return EXIT_SUCCESS;
usage:
printf("Known services:\n");
for (s = services ; s->name != NULL ; s++)
printf("\t%s\t%s\n", s->name, s->description);
return EXIT_FAILURE;
} /* do_sdp_search */
/* Perform SDP browse command */
int
do_sdp_browse(bdaddr_t *laddr, bdaddr_t *raddr, int argc, char const **argv)
{
#undef _STR
#undef STR
#define _STR(x) #x
#define STR(x) _STR(x)
static char const * av[] = {
STR(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP),
NULL
};
switch (argc) {
case 0:
argc = 1;
argv = (char const **) av;
/* FALL THROUGH */
case 1:
return (do_sdp_search(laddr, raddr, argc, argv));
}
return EXIT_FAILURE;
} /* do_sdp_browse */
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