diff options
Diffstat (limited to 'dund/sdp.c')
-rw-r--r-- | dund/sdp.c | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/dund/sdp.c b/dund/sdp.c new file mode 100644 index 00000000..f2c42c5a --- /dev/null +++ b/dund/sdp.c @@ -0,0 +1,208 @@ +/* + * + * BlueZ - Bluetooth protocol stack for Linux + * + * Copyright (C) 2002-2003 Maxim Krasnyansky <maxk@qualcomm.com> + * Copyright (C) 2002-2008 Marcel Holtmann <marcel@holtmann.org> + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <stdio.h> +#include <errno.h> +#include <unistd.h> +#include <stdlib.h> +#include <string.h> +#include <syslog.h> +#include <sys/types.h> +#include <sys/socket.h> + +#include <bluetooth/bluetooth.h> +#include <bluetooth/sdp.h> +#include <bluetooth/sdp_lib.h> + +#include "dund.h" + +static unsigned char async_uuid[] = { 0x03, 0x50, 0x27, 0x8F, 0x3D, 0xCA, 0x4E, 0x62, + 0x83, 0x1D, 0xA4, 0x11, 0x65, 0xFF, 0x90, 0x6C }; + +static sdp_record_t *record; +static sdp_session_t *session; + +void dun_sdp_unregister(void) +{ + if (record && sdp_record_unregister(session, record)) + syslog(LOG_ERR, "Service record unregistration failed."); + sdp_close(session); +} + +int dun_sdp_register(bdaddr_t *device, uint8_t channel, int type) +{ + sdp_list_t *svclass, *pfseq, *apseq, *root, *aproto; + uuid_t root_uuid, l2cap, rfcomm, dun; + sdp_profile_desc_t profile[1]; + sdp_list_t *proto[2]; + int status; + + session = sdp_connect(BDADDR_ANY, BDADDR_LOCAL, 0); + if (!session) { + syslog(LOG_ERR, "Failed to connect to the local SDP server. %s(%d)", + strerror(errno), errno); + return -1; + } + + record = sdp_record_alloc(); + if (!record) { + syslog(LOG_ERR, "Failed to alloc service record"); + return -1; + } + + sdp_uuid16_create(&root_uuid, PUBLIC_BROWSE_GROUP); + root = sdp_list_append(NULL, &root_uuid); + sdp_set_browse_groups(record, root); + + sdp_uuid16_create(&l2cap, L2CAP_UUID); + proto[0] = sdp_list_append(NULL, &l2cap); + apseq = sdp_list_append(NULL, proto[0]); + + sdp_uuid16_create(&rfcomm, RFCOMM_UUID); + proto[1] = sdp_list_append(NULL, &rfcomm); + proto[1] = sdp_list_append(proto[1], sdp_data_alloc(SDP_UINT8, &channel)); + apseq = sdp_list_append(apseq, proto[1]); + + aproto = sdp_list_append(NULL, apseq); + sdp_set_access_protos(record, aproto); + + switch (type) { + case MROUTER: + sdp_uuid16_create(&dun, SERIAL_PORT_SVCLASS_ID); + break; + case ACTIVESYNC: + sdp_uuid128_create(&dun, (void *) async_uuid); + break; + case DIALUP: + sdp_uuid16_create(&dun, DIALUP_NET_SVCLASS_ID); + break; + default: + sdp_uuid16_create(&dun, LAN_ACCESS_SVCLASS_ID); + break; + } + + svclass = sdp_list_append(NULL, &dun); + sdp_set_service_classes(record, svclass); + + switch (type) { + case LANACCESS: + sdp_uuid16_create(&profile[0].uuid, LAN_ACCESS_PROFILE_ID); + profile[0].version = 0x0100; + pfseq = sdp_list_append(NULL, &profile[0]); + sdp_set_profile_descs(record, pfseq); + break; + case DIALUP: + sdp_uuid16_create(&profile[0].uuid, DIALUP_NET_PROFILE_ID); + profile[0].version = 0x0100; + pfseq = sdp_list_append(NULL, &profile[0]); + sdp_set_profile_descs(record, pfseq); + break; + } + + switch (type) { + case MROUTER: + sdp_set_info_attr(record, "mRouter", NULL, NULL); + break; + case ACTIVESYNC: + sdp_set_info_attr(record, "ActiveSync", NULL, NULL); + break; + case DIALUP: + sdp_set_info_attr(record, "Dialup Networking", NULL, NULL); + break; + default: + sdp_set_info_attr(record, "LAN Access Point", NULL, NULL); + break; + } + + status = sdp_device_record_register(session, device, record, 0); + if (status) { + syslog(LOG_ERR, "SDP registration failed."); + sdp_record_free(record); + record = NULL; + return -1; + } + return 0; +} + +int dun_sdp_search(bdaddr_t *src, bdaddr_t *dst, int *channel, int type) +{ + sdp_session_t *s; + sdp_list_t *srch, *attrs, *rsp; + uuid_t svclass; + uint16_t attr; + int err; + + s = sdp_connect(src, dst, 0); + if (!s) { + syslog(LOG_ERR, "Failed to connect to the SDP server. %s(%d)", + strerror(errno), errno); + return -1; + } + + switch (type) { + case MROUTER: + sdp_uuid16_create(&svclass, SERIAL_PORT_SVCLASS_ID); + break; + case ACTIVESYNC: + sdp_uuid128_create(&svclass, (void *) async_uuid); + break; + case DIALUP: + sdp_uuid16_create(&svclass, DIALUP_NET_SVCLASS_ID); + break; + default: + sdp_uuid16_create(&svclass, LAN_ACCESS_SVCLASS_ID); + break; + } + + srch = sdp_list_append(NULL, &svclass); + + attr = SDP_ATTR_PROTO_DESC_LIST; + attrs = sdp_list_append(NULL, &attr); + + err = sdp_service_search_attr_req(s, srch, SDP_ATTR_REQ_INDIVIDUAL, attrs, &rsp); + + sdp_close(s); + + if (err) + return 0; + + for(; rsp; rsp = rsp->next) { + sdp_record_t *rec = (sdp_record_t *) rsp->data; + sdp_list_t *protos; + + if (!sdp_get_access_protos(rec, &protos)) { + int ch = sdp_get_proto_port(protos, RFCOMM_UUID); + if (ch > 0) { + *channel = ch; + return 1; + } + } + } + + return 0; +} |