d1c004f7d1
register, remove or change services in the local database. For now only accept the request if the peer has effective user ID the same as 'root' user ID. MFC after: 1 week
140 lines
3.9 KiB
C
140 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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#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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