NetBSD-5.0.2/lib/libsdp/session.c
/* $NetBSD: session.c,v 1.2 2007/04/07 21:08:46 plunky Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
* All rights reserved.
*
* Written by Iain Hibbert for Itronix Inc.
*
* 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.
*/
/*
* session.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: session.c,v 1.2 2007/04/07 21:08:46 plunky Exp $
* $FreeBSD: src/lib/libsdp/session.c,v 1.3 2004/01/09 22:44:28 emax Exp $
*/
#include <sys/cdefs.h>
__RCSID("$NetBSD: session.c,v 1.2 2007/04/07 21:08:46 plunky Exp $");
#include <sys/types.h>
#include <sys/un.h>
#include <bluetooth.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sdp-int.h>
#include <sdp.h>
void *
sdp_open(bdaddr_t const *l, bdaddr_t const *r)
{
sdp_session_p ss = NULL;
struct sockaddr_bt sa;
struct linger li;
socklen_t size;
if ((ss = calloc(1, sizeof(*ss))) == NULL)
goto fail;
if (l == NULL || r == NULL) {
ss->error = EINVAL;
goto fail;
}
ss->s = socket(PF_BLUETOOTH, SOCK_SEQPACKET, BTPROTO_L2CAP);
if (ss->s < 0) {
ss->error = errno;
goto fail;
}
memset(&li, 0, sizeof(li));
li.l_onoff = 1;
li.l_linger = 5;
if (setsockopt(ss->s, SOL_SOCKET, SO_LINGER, &li, sizeof(li)) < 0) {
ss->error = errno;
goto fail;
}
memset(&sa, 0, sizeof(sa));
sa.bt_len = sizeof(sa);
sa.bt_family = AF_BLUETOOTH;
bdaddr_copy(&sa.bt_bdaddr, l);
if (bind(ss->s, (void *) &sa, sizeof(sa)) < 0) {
ss->error = errno;
goto fail;
}
sa.bt_psm = L2CAP_PSM_SDP;
bdaddr_copy(&sa.bt_bdaddr, r);
if (connect(ss->s, (void *) &sa, sizeof(sa)) < 0) {
ss->error = errno;
goto fail;
}
size = sizeof(ss->omtu);
if (getsockopt(ss->s, BTPROTO_L2CAP, SO_L2CAP_OMTU, &ss->omtu, &size) < 0) {
ss->error = errno;
goto fail;
}
if ((ss->req = malloc((size_t)ss->omtu)) == NULL) {
ss->error = ENOMEM;
goto fail;
}
ss->req_e = ss->req + ss->omtu;
size = sizeof(ss->imtu);
if (getsockopt(ss->s, BTPROTO_L2CAP, SO_L2CAP_IMTU, &ss->imtu, &size) < 0) {
ss->error = errno;
goto fail;
}
if ((ss->rsp = malloc((size_t)ss->imtu)) == NULL) {
ss->error = ENOMEM;
goto fail;
}
ss->rsp_e = ss->rsp + ss->imtu;
ss->error = 0;
fail:
return ((void *) ss);
}
void *
sdp_open_local(char const *control)
{
sdp_session_p ss = NULL;
struct sockaddr_un sa;
if ((ss = calloc(1, sizeof(*ss))) == NULL)
goto fail;
ss->s = socket(PF_LOCAL, SOCK_STREAM, 0);
if (ss->s < 0) {
ss->error = errno;
goto fail;
}
if (control == NULL)
control = SDP_LOCAL_PATH;
sa.sun_len = sizeof(sa);
sa.sun_family = AF_LOCAL;
strlcpy(sa.sun_path, control, sizeof(sa.sun_path));
if (connect(ss->s, (void *) &sa, sizeof(sa)) < 0) {
ss->error = errno;
goto fail;
}
ss->flags |= SDP_SESSION_LOCAL;
ss->imtu = ss->omtu = SDP_LOCAL_MTU;
if ((ss->req = malloc((size_t)ss->omtu)) == NULL) {
ss->error = ENOMEM;
goto fail;
}
ss->req_e = ss->req + ss->omtu;
if ((ss->rsp = malloc((size_t)ss->imtu)) == NULL) {
ss->error = ENOMEM;
goto fail;
}
ss->rsp_e = ss->rsp + ss->imtu;
ss->error = 0;
fail:
return ((void *) ss);
}
int32_t
sdp_close(void *xss)
{
sdp_session_p ss = (sdp_session_p) xss;
if (ss != NULL) {
if (ss->s >= 0)
close(ss->s);
if (ss->req != NULL)
free(ss->req);
if (ss->rsp != NULL)
free(ss->rsp);
memset(ss, 0, sizeof(*ss));
free(ss);
}
return (0);
}
int32_t
sdp_error(void *xss)
{
sdp_session_p ss = (sdp_session_p) xss;
return ((ss != NULL)? ss->error : EINVAL);
}