/* * 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 $ * $FreeBSD$ */ #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; 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); }