11de7b4b8SPedro F. Giffuni /*-
207be7a6cSMaksim Yevmenkin * srr.c
307be7a6cSMaksim Yevmenkin *
44d846d26SWarner Losh * SPDX-License-Identifier: BSD-2-Clause
51de7b4b8SPedro F. Giffuni *
607be7a6cSMaksim Yevmenkin * Copyright (c) 2004 Maksim Yevmenkin <m_evmenkin@yahoo.com>
707be7a6cSMaksim Yevmenkin * All rights reserved.
807be7a6cSMaksim Yevmenkin *
907be7a6cSMaksim Yevmenkin * Redistribution and use in source and binary forms, with or without
1007be7a6cSMaksim Yevmenkin * modification, are permitted provided that the following conditions
1107be7a6cSMaksim Yevmenkin * are met:
1207be7a6cSMaksim Yevmenkin * 1. Redistributions of source code must retain the above copyright
1307be7a6cSMaksim Yevmenkin * notice, this list of conditions and the following disclaimer.
1407be7a6cSMaksim Yevmenkin * 2. Redistributions in binary form must reproduce the above copyright
1507be7a6cSMaksim Yevmenkin * notice, this list of conditions and the following disclaimer in the
1607be7a6cSMaksim Yevmenkin * documentation and/or other materials provided with the distribution.
1707be7a6cSMaksim Yevmenkin *
1807be7a6cSMaksim Yevmenkin * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
1907be7a6cSMaksim Yevmenkin * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2007be7a6cSMaksim Yevmenkin * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2107be7a6cSMaksim Yevmenkin * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2207be7a6cSMaksim Yevmenkin * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
2307be7a6cSMaksim Yevmenkin * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
2407be7a6cSMaksim Yevmenkin * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
2507be7a6cSMaksim Yevmenkin * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
2607be7a6cSMaksim Yevmenkin * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
2707be7a6cSMaksim Yevmenkin * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
2807be7a6cSMaksim Yevmenkin * SUCH DAMAGE.
2907be7a6cSMaksim Yevmenkin *
3007be7a6cSMaksim Yevmenkin * $Id: srr.c,v 1.1 2004/01/13 01:54:39 max Exp $
3107be7a6cSMaksim Yevmenkin */
3207be7a6cSMaksim Yevmenkin
33fdbf7cabSElyes Haouas #include <sys/param.h>
3407be7a6cSMaksim Yevmenkin #include <sys/queue.h>
3507be7a6cSMaksim Yevmenkin #include <sys/uio.h>
3607be7a6cSMaksim Yevmenkin #include <netinet/in.h>
3707be7a6cSMaksim Yevmenkin #include <arpa/inet.h>
3807be7a6cSMaksim Yevmenkin #include <assert.h>
398d6f425dSTakanori Watanabe #define L2CAP_SOCKET_CHECKED
4007be7a6cSMaksim Yevmenkin #include <bluetooth.h>
4107be7a6cSMaksim Yevmenkin #include <errno.h>
4207be7a6cSMaksim Yevmenkin #include <sdp.h>
4307be7a6cSMaksim Yevmenkin #include <string.h>
4407be7a6cSMaksim Yevmenkin #include "profile.h"
4507be7a6cSMaksim Yevmenkin #include "provider.h"
4607be7a6cSMaksim Yevmenkin #include "server.h"
4707be7a6cSMaksim Yevmenkin
4807be7a6cSMaksim Yevmenkin /*
4907be7a6cSMaksim Yevmenkin * Prepare Service Register response
5007be7a6cSMaksim Yevmenkin */
5107be7a6cSMaksim Yevmenkin
5207be7a6cSMaksim Yevmenkin int32_t
server_prepare_service_register_response(server_p srv,int32_t fd)5307be7a6cSMaksim Yevmenkin server_prepare_service_register_response(server_p srv, int32_t fd)
5407be7a6cSMaksim Yevmenkin {
5507be7a6cSMaksim Yevmenkin uint8_t const *req = srv->req + sizeof(sdp_pdu_t);
5607be7a6cSMaksim Yevmenkin uint8_t const *req_end = req + ((sdp_pdu_p)(srv->req))->len;
5707be7a6cSMaksim Yevmenkin uint8_t *rsp = srv->fdidx[fd].rsp;
5807be7a6cSMaksim Yevmenkin
5907be7a6cSMaksim Yevmenkin profile_t *profile = NULL;
6007be7a6cSMaksim Yevmenkin provider_t *provider = NULL;
6107be7a6cSMaksim Yevmenkin bdaddr_t *bdaddr = NULL;
6207be7a6cSMaksim Yevmenkin int32_t uuid;
6307be7a6cSMaksim Yevmenkin
6407be7a6cSMaksim Yevmenkin /*
6507be7a6cSMaksim Yevmenkin * Minimal Service Register Request
6607be7a6cSMaksim Yevmenkin *
6707be7a6cSMaksim Yevmenkin * value16 - uuid 2 bytes
6807be7a6cSMaksim Yevmenkin * bdaddr - BD_ADDR 6 bytes
6907be7a6cSMaksim Yevmenkin */
7007be7a6cSMaksim Yevmenkin
71d1c004f7SMaksim Yevmenkin if (!srv->fdidx[fd].control ||
72d1c004f7SMaksim Yevmenkin !srv->fdidx[fd].priv || req_end - req < 8)
7307be7a6cSMaksim Yevmenkin return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
7407be7a6cSMaksim Yevmenkin
7507be7a6cSMaksim Yevmenkin /* Get ServiceClass UUID */
7607be7a6cSMaksim Yevmenkin SDP_GET16(uuid, req);
7707be7a6cSMaksim Yevmenkin
7807be7a6cSMaksim Yevmenkin /* Get BD_ADDR */
7907be7a6cSMaksim Yevmenkin bdaddr = (bdaddr_p) req;
8007be7a6cSMaksim Yevmenkin req += sizeof(*bdaddr);
8107be7a6cSMaksim Yevmenkin
8207be7a6cSMaksim Yevmenkin /* Lookup profile descriptror */
8307be7a6cSMaksim Yevmenkin profile = profile_get_descriptor(uuid);
8407be7a6cSMaksim Yevmenkin if (profile == NULL)
8507be7a6cSMaksim Yevmenkin return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
8607be7a6cSMaksim Yevmenkin
8707be7a6cSMaksim Yevmenkin /* Validate user data */
8807be7a6cSMaksim Yevmenkin if (req_end - req < profile->dsize ||
8907be7a6cSMaksim Yevmenkin profile->valid == NULL ||
9007be7a6cSMaksim Yevmenkin (profile->valid)(req, req_end - req) == 0)
9107be7a6cSMaksim Yevmenkin return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
9207be7a6cSMaksim Yevmenkin
9307be7a6cSMaksim Yevmenkin /* Register provider */
9407be7a6cSMaksim Yevmenkin provider = provider_register(profile, bdaddr, fd, req, req_end - req);
9507be7a6cSMaksim Yevmenkin if (provider == NULL)
9607be7a6cSMaksim Yevmenkin return (SDP_ERROR_CODE_INSUFFICIENT_RESOURCES);
9707be7a6cSMaksim Yevmenkin
9807be7a6cSMaksim Yevmenkin SDP_PUT16(0, rsp);
9907be7a6cSMaksim Yevmenkin SDP_PUT32(provider->handle, rsp);
10007be7a6cSMaksim Yevmenkin
10107be7a6cSMaksim Yevmenkin /* Set reply size */
10207be7a6cSMaksim Yevmenkin srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t);
10307be7a6cSMaksim Yevmenkin srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp;
10407be7a6cSMaksim Yevmenkin srv->fdidx[fd].rsp_cs = 0;
10507be7a6cSMaksim Yevmenkin
10607be7a6cSMaksim Yevmenkin return (0);
10707be7a6cSMaksim Yevmenkin }
10807be7a6cSMaksim Yevmenkin
10907be7a6cSMaksim Yevmenkin /*
11007be7a6cSMaksim Yevmenkin * Send Service Register Response
11107be7a6cSMaksim Yevmenkin */
11207be7a6cSMaksim Yevmenkin
11307be7a6cSMaksim Yevmenkin int32_t
server_send_service_register_response(server_p srv,int32_t fd)11407be7a6cSMaksim Yevmenkin server_send_service_register_response(server_p srv, int32_t fd)
11507be7a6cSMaksim Yevmenkin {
11607be7a6cSMaksim Yevmenkin struct iovec iov[2];
11707be7a6cSMaksim Yevmenkin sdp_pdu_t pdu;
11807be7a6cSMaksim Yevmenkin int32_t size;
11907be7a6cSMaksim Yevmenkin
12007be7a6cSMaksim Yevmenkin assert(srv->fdidx[fd].rsp_size < srv->fdidx[fd].rsp_limit);
12107be7a6cSMaksim Yevmenkin
12207be7a6cSMaksim Yevmenkin pdu.pid = SDP_PDU_ERROR_RESPONSE;
12307be7a6cSMaksim Yevmenkin pdu.tid = ((sdp_pdu_p)(srv->req))->tid;
12407be7a6cSMaksim Yevmenkin pdu.len = htons(srv->fdidx[fd].rsp_size);
12507be7a6cSMaksim Yevmenkin
12607be7a6cSMaksim Yevmenkin iov[0].iov_base = &pdu;
12707be7a6cSMaksim Yevmenkin iov[0].iov_len = sizeof(pdu);
12807be7a6cSMaksim Yevmenkin
12907be7a6cSMaksim Yevmenkin iov[1].iov_base = srv->fdidx[fd].rsp;
13007be7a6cSMaksim Yevmenkin iov[1].iov_len = srv->fdidx[fd].rsp_size;
13107be7a6cSMaksim Yevmenkin
13207be7a6cSMaksim Yevmenkin do {
133fdbf7cabSElyes Haouas size = writev(fd, (struct iovec const *) &iov, nitems(iov));
13407be7a6cSMaksim Yevmenkin } while (size < 0 && errno == EINTR);
13507be7a6cSMaksim Yevmenkin
13607be7a6cSMaksim Yevmenkin srv->fdidx[fd].rsp_cs = 0;
13707be7a6cSMaksim Yevmenkin srv->fdidx[fd].rsp_size = 0;
13807be7a6cSMaksim Yevmenkin srv->fdidx[fd].rsp_limit = 0;
13907be7a6cSMaksim Yevmenkin
14007be7a6cSMaksim Yevmenkin return ((size < 0)? errno : 0);
14107be7a6cSMaksim Yevmenkin }
14207be7a6cSMaksim Yevmenkin
143