diff options
Diffstat (limited to 'lib/libsdp/session.c')
-rw-r--r-- | lib/libsdp/session.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/lib/libsdp/session.c b/lib/libsdp/session.c new file mode 100644 index 0000000..a31f327 --- /dev/null +++ b/lib/libsdp/session.c @@ -0,0 +1,177 @@ +/* + * 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); +} |