/* $NetBSD: search.c,v 1.6 2007/11/06 21:35:52 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 1.6 2007/11/06 21:35:52 plunky Exp $
 * $FreeBSD: src/usr.sbin/bluetooth/sdpcontrol/search.c,v 1.4 2005/05/27 19:11:33 emax 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=%td\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=%td\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=%td\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,
          "Group ad-hoc Network"        },
        { "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"            },
        { "PANU",       SDP_SERVICE_CLASS_PANU,
          "Personal Area Networking User"               },
        { "SP",         SDP_SERVICE_CLASS_SERIAL_PORT,
          "Serial Port"                 },
        { NULL,         0,
          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;
        uint32_t         n;
        int32_t          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;
        }

        /* 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:
        fprintf(stderr, "Known services:\n");
        for (s = services ; s->name != NULL ; s++)
                fprintf(stderr, "\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 */