715 lines
18 KiB
C
715 lines
18 KiB
C
/*
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* search.c
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*
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* Copyright (c) 2001-2003 Maksim Yevmenkin <m_evmenkin@yahoo.com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: search.c,v 1.2 2003/09/08 17:35:15 max Exp $
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* $FreeBSD$
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*/
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#include <netinet/in.h>
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#define L2CAP_SOCKET_CHECKED
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#include <bluetooth.h>
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#include <ctype.h>
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#include <sdp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "sdpcontrol.h"
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/* List of the attributes we are looking for */
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static uint32_t attrs[] =
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{
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SDP_ATTR_RANGE( SDP_ATTR_SERVICE_RECORD_HANDLE,
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SDP_ATTR_SERVICE_RECORD_HANDLE),
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SDP_ATTR_RANGE( SDP_ATTR_SERVICE_CLASS_ID_LIST,
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SDP_ATTR_SERVICE_CLASS_ID_LIST),
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SDP_ATTR_RANGE( SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST,
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SDP_ATTR_PROTOCOL_DESCRIPTOR_LIST),
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SDP_ATTR_RANGE( SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST,
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SDP_ATTR_BLUETOOTH_PROFILE_DESCRIPTOR_LIST)
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};
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#define attrs_len (sizeof(attrs)/sizeof(attrs[0]))
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/* Buffer for the attributes */
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#define NRECS 25 /* request this much records from the SDP server */
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#define BSIZE 256 /* one attribute buffer size */
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static uint8_t buffer[NRECS * attrs_len][BSIZE];
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/* SDP attributes */
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static sdp_attr_t values[NRECS * attrs_len];
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#define values_len (sizeof(values)/sizeof(values[0]))
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/*
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* Print Service Class ID List
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*
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* The ServiceClassIDList attribute consists of a data element sequence in
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* which each data element is a UUID representing the service classes that
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* a given service record conforms to. The UUIDs are listed in order from
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* the most specific class to the most general class. The ServiceClassIDList
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* must contain at least one service class UUID.
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*/
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static void
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print_service_class_id_list(uint8_t const *start, uint8_t const *end)
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{
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uint32_t type, len, value;
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if (end - start < 2) {
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fprintf(stderr, "Invalid Service Class ID List. " \
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"Too short, len=%zd\n", end - start);
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return;
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}
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_SEQ8:
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SDP_GET8(len, start);
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break;
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case SDP_DATA_SEQ16:
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SDP_GET16(len, start);
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break;
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case SDP_DATA_SEQ32:
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SDP_GET32(len, start);
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break;
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default:
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fprintf(stderr, "Invalid Service Class ID List. " \
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"Not a sequence, type=%#x\n", type);
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return;
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/* NOT REACHED */
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}
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while (start < end) {
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_UUID16:
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SDP_GET16(value, start);
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fprintf(stdout, "\t%s (%#4.4x)\n",
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sdp_uuid2desc(value), value);
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break;
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case SDP_DATA_UUID32:
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SDP_GET32(value, start);
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fprintf(stdout, "\t%#8.8x\n", value);
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break;
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case SDP_DATA_UUID128: {
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int128_t uuid;
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SDP_GET_UUID128(&uuid, start);
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fprintf(stdout, "\t%#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
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ntohl(*(uint32_t *)&uuid.b[0]),
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ntohs(*(uint16_t *)&uuid.b[4]),
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ntohs(*(uint16_t *)&uuid.b[6]),
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ntohs(*(uint16_t *)&uuid.b[8]),
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ntohs(*(uint16_t *)&uuid.b[10]),
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ntohl(*(uint32_t *)&uuid.b[12]));
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} break;
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default:
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fprintf(stderr, "Invalid Service Class ID List. " \
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"Not a UUID, type=%#x\n", type);
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return;
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/* NOT REACHED */
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}
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}
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} /* print_service_class_id_list */
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/*
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* Print Protocol Descriptor List
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*
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* If the ProtocolDescriptorList describes a single stack, it takes the form
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* of a data element sequence in which each element of the sequence is a
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* protocol descriptor. Each protocol descriptor is, in turn, a data element
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* sequence whose first element is a UUID identifying the protocol and whose
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* successive elements are protocol-specific parameters. The protocol
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* descriptors are listed in order from the lowest layer protocol to the
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* highest layer protocol used to gain access to the service. If it is possible
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* for more than one kind of protocol stack to be used to gain access to the
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* service, the ProtocolDescriptorList takes the form of a data element
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* alternative where each member is a data element sequence as described above.
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*/
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static void
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print_protocol_descriptor(uint8_t const *start, uint8_t const *end)
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{
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union {
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uint8_t uint8;
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uint16_t uint16;
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uint32_t uint32;
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uint64_t uint64;
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int128_t int128;
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} value;
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uint32_t type, len, param;
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/* Get Protocol UUID */
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_UUID16:
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SDP_GET16(value.uint16, start);
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fprintf(stdout, "\t%s (%#4.4x)\n", sdp_uuid2desc(value.uint16),
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value.uint16);
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break;
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case SDP_DATA_UUID32:
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SDP_GET32(value.uint32, start);
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fprintf(stdout, "\t%#8.8x\n", value.uint32);
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break;
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case SDP_DATA_UUID128:
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SDP_GET_UUID128(&value.int128, start);
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fprintf(stdout, "\t%#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
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ntohl(*(uint32_t *)&value.int128.b[0]),
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ntohs(*(uint16_t *)&value.int128.b[4]),
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ntohs(*(uint16_t *)&value.int128.b[6]),
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ntohs(*(uint16_t *)&value.int128.b[8]),
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ntohs(*(uint16_t *)&value.int128.b[10]),
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ntohl(*(uint32_t *)&value.int128.b[12]));
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break;
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default:
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fprintf(stderr, "Invalid Protocol Descriptor. " \
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"Not a UUID, type=%#x\n", type);
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return;
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/* NOT REACHED */
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}
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/* Protocol specific parameters */
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for (param = 1; start < end; param ++) {
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fprintf(stdout, "\t\tProtocol specific parameter #%d: ", param);
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_NIL:
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fprintf(stdout, "nil\n");
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break;
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case SDP_DATA_UINT8:
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case SDP_DATA_INT8:
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case SDP_DATA_BOOL:
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SDP_GET8(value.uint8, start);
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fprintf(stdout, "u/int8/bool %u\n", value.uint8);
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break;
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case SDP_DATA_UINT16:
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case SDP_DATA_INT16:
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case SDP_DATA_UUID16:
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SDP_GET16(value.uint16, start);
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fprintf(stdout, "u/int/uuid16 %u\n", value.uint16);
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break;
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case SDP_DATA_UINT32:
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case SDP_DATA_INT32:
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case SDP_DATA_UUID32:
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SDP_GET32(value.uint32, start);
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fprintf(stdout, "u/int/uuid32 %u\n", value.uint32);
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break;
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case SDP_DATA_UINT64:
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case SDP_DATA_INT64:
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SDP_GET64(value.uint64, start);
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fprintf(stdout, "u/int64 %ju\n", value.uint64);
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break;
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case SDP_DATA_UINT128:
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case SDP_DATA_INT128:
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SDP_GET128(&value.int128, start);
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fprintf(stdout, "u/int128 %#8.8x%8.8x%8.8x%8.8x\n",
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*(uint32_t *)&value.int128.b[0],
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*(uint32_t *)&value.int128.b[4],
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*(uint32_t *)&value.int128.b[8],
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*(uint32_t *)&value.int128.b[12]);
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break;
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case SDP_DATA_UUID128:
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SDP_GET_UUID128(&value.int128, start);
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fprintf(stdout, "uuid128 %#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x\n",
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ntohl(*(uint32_t *)&value.int128.b[0]),
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ntohs(*(uint16_t *)&value.int128.b[4]),
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ntohs(*(uint16_t *)&value.int128.b[6]),
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ntohs(*(uint16_t *)&value.int128.b[8]),
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ntohs(*(uint16_t *)&value.int128.b[10]),
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ntohl(*(uint32_t *)&value.int128.b[12]));
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break;
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case SDP_DATA_STR8:
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case SDP_DATA_URL8:
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SDP_GET8(len, start);
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fprintf(stdout, "%*.*s\n", len, len, (char *) start);
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start += len;
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break;
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case SDP_DATA_STR16:
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case SDP_DATA_URL16:
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SDP_GET16(len, start);
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fprintf(stdout, "%*.*s\n", len, len, (char *) start);
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start += len;
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break;
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case SDP_DATA_STR32:
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case SDP_DATA_URL32:
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SDP_GET32(len, start);
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fprintf(stdout, "%*.*s\n", len, len, (char *) start);
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start += len;
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break;
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case SDP_DATA_SEQ8:
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case SDP_DATA_ALT8:
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SDP_GET8(len, start);
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for (; len > 0; start ++, len --)
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fprintf(stdout, "%#2.2x ", *start);
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fprintf(stdout, "\n");
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break;
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case SDP_DATA_SEQ16:
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case SDP_DATA_ALT16:
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SDP_GET16(len, start);
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for (; len > 0; start ++, len --)
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fprintf(stdout, "%#2.2x ", *start);
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fprintf(stdout, "\n");
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break;
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case SDP_DATA_SEQ32:
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case SDP_DATA_ALT32:
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SDP_GET32(len, start);
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for (; len > 0; start ++, len --)
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fprintf(stdout, "%#2.2x ", *start);
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fprintf(stdout, "\n");
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break;
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default:
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fprintf(stderr, "Invalid Protocol Descriptor. " \
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"Unknown data type: %#02x\n", type);
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return;
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/* NOT REACHED */
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}
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}
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} /* print_protocol_descriptor */
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static void
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print_protocol_descriptor_list(uint8_t const *start, uint8_t const *end)
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{
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uint32_t type, len;
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if (end - start < 2) {
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fprintf(stderr, "Invalid Protocol Descriptor List. " \
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"Too short, len=%zd\n", end - start);
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return;
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}
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_SEQ8:
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SDP_GET8(len, start);
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break;
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case SDP_DATA_SEQ16:
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SDP_GET16(len, start);
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break;
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case SDP_DATA_SEQ32:
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SDP_GET32(len, start);
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break;
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default:
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fprintf(stderr, "Invalid Protocol Descriptor List. " \
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"Not a sequence, type=%#x\n", type);
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return;
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/* NOT REACHED */
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}
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while (start < end) {
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_SEQ8:
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SDP_GET8(len, start);
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break;
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case SDP_DATA_SEQ16:
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SDP_GET16(len, start);
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break;
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case SDP_DATA_SEQ32:
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SDP_GET32(len, start);
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break;
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default:
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fprintf(stderr, "Invalid Protocol Descriptor List. " \
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"Not a sequence, type=%#x\n", type);
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return;
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/* NOT REACHED */
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}
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print_protocol_descriptor(start, start + len);
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start += len;
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}
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} /* print_protocol_descriptor_list */
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/*
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* Print Bluetooth Profile Descriptor List
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*
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* The BluetoothProfileDescriptorList attribute consists of a data element
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* sequence in which each element is a profile descriptor that contains
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* information about a Bluetooth profile to which the service represented by
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* this service record conforms. Each profile descriptor is a data element
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* sequence whose first element is the UUID assigned to the profile and whose
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* second element is a 16-bit profile version number. Each version of a profile
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* is assigned a 16-bit unsigned integer profile version number, which consists
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* of two 8-bit fields. The higher-order 8 bits contain the major version
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* number field and the lower-order 8 bits contain the minor version number
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* field.
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*/
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static void
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print_bluetooth_profile_descriptor_list(uint8_t const *start, uint8_t const *end)
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{
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uint32_t type, len, value;
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if (end - start < 2) {
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fprintf(stderr, "Invalid Bluetooth Profile Descriptor List. " \
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"Too short, len=%zd\n", end - start);
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return;
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}
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_SEQ8:
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SDP_GET8(len, start);
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break;
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case SDP_DATA_SEQ16:
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SDP_GET16(len, start);
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break;
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case SDP_DATA_SEQ32:
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SDP_GET32(len, start);
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break;
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default:
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fprintf(stderr, "Invalid Bluetooth Profile Descriptor List. " \
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"Not a sequence, type=%#x\n", type);
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return;
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/* NOT REACHED */
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}
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while (start < end) {
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_SEQ8:
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SDP_GET8(len, start);
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break;
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case SDP_DATA_SEQ16:
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SDP_GET16(len, start);
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break;
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case SDP_DATA_SEQ32:
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SDP_GET32(len, start);
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break;
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default:
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fprintf(stderr, "Invalid Bluetooth Profile " \
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"Descriptor List. " \
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"Not a sequence, type=%#x\n", type);
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return;
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/* NOT REACHED */
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}
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/* Get UUID */
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SDP_GET8(type, start);
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switch (type) {
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case SDP_DATA_UUID16:
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SDP_GET16(value, start);
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fprintf(stdout, "\t%s (%#4.4x) ",
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sdp_uuid2desc(value), value);
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break;
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case SDP_DATA_UUID32:
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SDP_GET32(value, start);
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fprintf(stdout, "\t%#8.8x ", value);
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break;
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case SDP_DATA_UUID128: {
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int128_t uuid;
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SDP_GET_UUID128(&uuid, start);
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fprintf(stdout, "\t%#8.8x-%4.4x-%4.4x-%4.4x-%4.4x%8.8x ",
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ntohl(*(uint32_t *)&uuid.b[0]),
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ntohs(*(uint16_t *)&uuid.b[4]),
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ntohs(*(uint16_t *)&uuid.b[6]),
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ntohs(*(uint16_t *)&uuid.b[8]),
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ntohs(*(uint16_t *)&uuid.b[10]),
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ntohl(*(uint32_t *)&uuid.b[12]));
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} break;
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default:
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fprintf(stderr, "Invalid Bluetooth Profile " \
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"Descriptor List. " \
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"Not a UUID, type=%#x\n", type);
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return;
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/* NOT REACHED */
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}
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/* Get version */
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SDP_GET8(type, start);
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if (type != SDP_DATA_UINT16) {
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fprintf(stderr, "Invalid Bluetooth Profile " \
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"Descriptor List. " \
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"Invalid version type=%#x\n", type);
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return;
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}
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SDP_GET16(value, start);
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fprintf(stdout, "ver. %d.%d\n",
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(value >> 8) & 0xff, value & 0xff);
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}
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} /* print_bluetooth_profile_descriptor_list */
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/* Perform SDP search command */
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static int
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do_sdp_search(void *xs, int argc, char **argv)
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{
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char *ep = NULL;
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int32_t n, type, value;
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uint16_t service;
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/* Parse command line arguments */
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switch (argc) {
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case 1:
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n = strtoul(argv[0], &ep, 16);
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if (*ep != 0) {
|
|
switch (tolower(argv[0][0])) {
|
|
case 'c': /* CIP/CTP */
|
|
switch (tolower(argv[0][1])) {
|
|
case 'i':
|
|
service = SDP_SERVICE_CLASS_COMMON_ISDN_ACCESS;
|
|
break;
|
|
|
|
case 't':
|
|
service = SDP_SERVICE_CLASS_CORDLESS_TELEPHONY;
|
|
break;
|
|
|
|
default:
|
|
return (USAGE);
|
|
/* NOT REACHED */
|
|
}
|
|
break;
|
|
|
|
case 'd': /* DialUp Networking */
|
|
service = SDP_SERVICE_CLASS_DIALUP_NETWORKING;
|
|
break;
|
|
|
|
case 'f': /* Fax/OBEX File Transfer */
|
|
switch (tolower(argv[0][1])) {
|
|
case 'a':
|
|
service = SDP_SERVICE_CLASS_FAX;
|
|
break;
|
|
|
|
case 't':
|
|
service = SDP_SERVICE_CLASS_OBEX_FILE_TRANSFER;
|
|
break;
|
|
|
|
default:
|
|
return (USAGE);
|
|
/* NOT REACHED */
|
|
}
|
|
break;
|
|
|
|
case 'g': /* GN */
|
|
service = SDP_SERVICE_CLASS_GN;
|
|
break;
|
|
|
|
case 'h': /* Headset/HID */
|
|
switch (tolower(argv[0][1])) {
|
|
case 'i':
|
|
service = SDP_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE;
|
|
break;
|
|
|
|
case 's':
|
|
service = SDP_SERVICE_CLASS_HEADSET;
|
|
break;
|
|
|
|
default:
|
|
return (USAGE);
|
|
/* NOT REACHED */
|
|
}
|
|
break;
|
|
|
|
case 'l': /* LAN Access Using PPP */
|
|
service = SDP_SERVICE_CLASS_LAN_ACCESS_USING_PPP;
|
|
break;
|
|
|
|
case 'n': /* NAP */
|
|
service = SDP_SERVICE_CLASS_NAP;
|
|
break;
|
|
|
|
case 'o': /* OBEX Object Push */
|
|
service = SDP_SERVICE_CLASS_OBEX_OBJECT_PUSH;
|
|
break;
|
|
|
|
case 's': /* Serial Port */
|
|
service = SDP_SERVICE_CLASS_SERIAL_PORT;
|
|
break;
|
|
|
|
default:
|
|
return (USAGE);
|
|
/* NOT REACHED */
|
|
}
|
|
} else
|
|
service = (uint16_t) n;
|
|
break;
|
|
|
|
default:
|
|
return (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];
|
|
}
|
|
|
|
/* Do SDP Service Search Attribute Request */
|
|
n = sdp_search(xs, 1, &service, attrs_len, attrs, values_len, values);
|
|
if (n != 0)
|
|
return (ERROR);
|
|
|
|
/* 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 (OK);
|
|
} /* do_sdp_search */
|
|
|
|
/* Perform SDP browse command */
|
|
static int
|
|
do_sdp_browse(void *xs, int argc, char **argv)
|
|
{
|
|
#undef _STR
|
|
#undef STR
|
|
#define _STR(x) #x
|
|
#define STR(x) _STR(x)
|
|
|
|
static char const * const av[] = {
|
|
STR(SDP_SERVICE_CLASS_PUBLIC_BROWSE_GROUP),
|
|
NULL
|
|
};
|
|
|
|
switch (argc) {
|
|
case 0:
|
|
argc = 1;
|
|
argv = (char **) av;
|
|
/* FALL THROUGH */
|
|
case 1:
|
|
return (do_sdp_search(xs, argc, argv));
|
|
}
|
|
|
|
return (USAGE);
|
|
} /* do_sdp_browse */
|
|
|
|
/* List of SDP commands */
|
|
struct sdp_command sdp_commands[] = {
|
|
{
|
|
"Browse [<Group>]",
|
|
"Browse for services. The <Group> parameter is a 16-bit UUID of the group\n" \
|
|
"to browse. If omitted <Group> is set to Public Browse Group.\n\n" \
|
|
"\t<Group> - xxxx; 16-bit UUID of the group to browse\n",
|
|
do_sdp_browse
|
|
},
|
|
{
|
|
"Search <Service>",
|
|
"Search for the <Service>. The <Service> parameter is a 16-bit UUID of the\n" \
|
|
"service to search for. For some services it is possible to use service name\n"\
|
|
"instead of service UUID\n\n" \
|
|
"\t<Service> - xxxx; 16-bit UUID of the service to search for\n\n" \
|
|
"\tKnown service names\n" \
|
|
"\t===================\n" \
|
|
"\tCIP - Common ISDN Access\n" \
|
|
"\tCTP - Cordless Telephony\n" \
|
|
"\tDUN - DialUp Networking\n" \
|
|
"\tFAX - Fax\n" \
|
|
"\tFTRN - OBEX File Transfer\n" \
|
|
"\tGN - GN\n" \
|
|
"\tHID - Human Interface Device\n" \
|
|
"\tHSET - Headset\n" \
|
|
"\tLAN - LAN Access Using PPP\n" \
|
|
"\tNAP - Network Access Point\n" \
|
|
"\tOPUSH - OBEX Object Push\n" \
|
|
"\tSP - Serial Port\n",
|
|
do_sdp_search
|
|
},
|
|
{ NULL, NULL, NULL }
|
|
};
|
|
|