141 lines
3.9 KiB
C
141 lines
3.9 KiB
C
/*
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* srr.c
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*
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* Copyright (c) 2004 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: srr.c,v 1.1 2004/01/13 01:54:39 max Exp $
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* $FreeBSD$
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*/
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#include <sys/queue.h>
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#include <sys/uio.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <assert.h>
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#define L2CAP_SOCKET_CHECKED
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#include <bluetooth.h>
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#include <errno.h>
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#include <sdp.h>
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#include <string.h>
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#include "profile.h"
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#include "provider.h"
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#include "server.h"
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/*
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* Prepare Service Register response
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*/
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int32_t
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server_prepare_service_register_response(server_p srv, int32_t fd)
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{
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uint8_t const *req = srv->req + sizeof(sdp_pdu_t);
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uint8_t const *req_end = req + ((sdp_pdu_p)(srv->req))->len;
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uint8_t *rsp = srv->fdidx[fd].rsp;
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profile_t *profile = NULL;
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provider_t *provider = NULL;
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bdaddr_t *bdaddr = NULL;
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int32_t uuid;
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/*
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* Minimal Service Register Request
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*
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* value16 - uuid 2 bytes
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* bdaddr - BD_ADDR 6 bytes
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*/
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if (!srv->fdidx[fd].control ||
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!srv->fdidx[fd].priv || req_end - req < 8)
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return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
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/* Get ServiceClass UUID */
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SDP_GET16(uuid, req);
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/* Get BD_ADDR */
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bdaddr = (bdaddr_p) req;
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req += sizeof(*bdaddr);
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/* Lookup profile descriptror */
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profile = profile_get_descriptor(uuid);
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if (profile == NULL)
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return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
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/* Validate user data */
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if (req_end - req < profile->dsize ||
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profile->valid == NULL ||
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(profile->valid)(req, req_end - req) == 0)
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return (SDP_ERROR_CODE_INVALID_REQUEST_SYNTAX);
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/* Register provider */
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provider = provider_register(profile, bdaddr, fd, req, req_end - req);
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if (provider == NULL)
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return (SDP_ERROR_CODE_INSUFFICIENT_RESOURCES);
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SDP_PUT16(0, rsp);
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SDP_PUT32(provider->handle, rsp);
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/* Set reply size */
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srv->fdidx[fd].rsp_limit = srv->fdidx[fd].omtu - sizeof(sdp_pdu_t);
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srv->fdidx[fd].rsp_size = rsp - srv->fdidx[fd].rsp;
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srv->fdidx[fd].rsp_cs = 0;
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return (0);
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}
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/*
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* Send Service Register Response
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*/
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int32_t
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server_send_service_register_response(server_p srv, int32_t fd)
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{
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struct iovec iov[2];
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sdp_pdu_t pdu;
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int32_t size;
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assert(srv->fdidx[fd].rsp_size < srv->fdidx[fd].rsp_limit);
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pdu.pid = SDP_PDU_ERROR_RESPONSE;
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pdu.tid = ((sdp_pdu_p)(srv->req))->tid;
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pdu.len = htons(srv->fdidx[fd].rsp_size);
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iov[0].iov_base = &pdu;
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iov[0].iov_len = sizeof(pdu);
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iov[1].iov_base = srv->fdidx[fd].rsp;
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iov[1].iov_len = srv->fdidx[fd].rsp_size;
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do {
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size = writev(fd, (struct iovec const *) &iov, sizeof(iov)/sizeof(iov[0]));
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} while (size < 0 && errno == EINTR);
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srv->fdidx[fd].rsp_cs = 0;
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srv->fdidx[fd].rsp_size = 0;
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srv->fdidx[fd].rsp_limit = 0;
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return ((size < 0)? errno : 0);
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}
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