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/*
* 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 2003/09/04 22:12:13 max Exp $
* $FreeBSD$
*/
#define L2CAP_SOCKET_CHECKED
#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_l2cap sa;
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, BLUETOOTH_PROTO_L2CAP);
if (ss->s < 0) {
ss->error = errno;
goto fail;
}
sa.l2cap_len = sizeof(sa);
sa.l2cap_family = AF_BLUETOOTH;
sa.l2cap_psm = 0;
sa.l2cap_cid = 0;
sa.l2cap_bdaddr_type = BDADDR_BREDR;
memcpy(&sa.l2cap_bdaddr, l, sizeof(sa.l2cap_bdaddr));
if (bind(ss->s, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
ss->error = errno;
goto fail;
}
sa.l2cap_psm = htole16(NG_L2CAP_PSM_SDP);
memcpy(&sa.l2cap_bdaddr, r, sizeof(sa.l2cap_bdaddr));
if (connect(ss->s, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
ss->error = errno;
goto fail;
}
size = sizeof(ss->omtu);
if (getsockopt(ss->s, SOL_L2CAP, SO_L2CAP_OMTU, &ss->omtu, &size) < 0) {
ss->error = errno;
goto fail;
}
if ((ss->req = malloc(ss->omtu)) == NULL) {
ss->error = ENOMEM;
goto fail;
}
ss->req_e = ss->req + ss->omtu;
size = sizeof(ss->imtu);
if (getsockopt(ss->s, SOL_L2CAP, SO_L2CAP_IMTU, &ss->imtu, &size) < 0) {
ss->error = errno;
goto fail;
}
if ((ss->rsp = malloc(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_UNIX, 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_UNIX;
strlcpy(sa.sun_path, control, sizeof(sa.sun_path));
if (connect(ss->s, (struct sockaddr *) &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(ss->omtu)) == NULL) {
ss->error = ENOMEM;
goto fail;
}
ss->req_e = ss->req + ss->omtu;
if ((ss->rsp = malloc(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);
}
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