| /* |
| * |
| * BlueZ - Bluetooth protocol stack for Linux |
| * |
| * Copyright (C) 2004-2010 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 <unistd.h> |
| #include <stdlib.h> |
| #include <errno.h> |
| |
| #include <bluetooth/bluetooth.h> |
| #include <bluetooth/bnep.h> |
| #include <bluetooth/sdp.h> |
| #include <bluetooth/sdp_lib.h> |
| #include <netinet/in.h> |
| |
| #include <glib.h> |
| #include <gdbus.h> |
| |
| #include "../src/dbus-common.h" |
| #include "../src/adapter.h" |
| |
| #include "log.h" |
| #include "error.h" |
| #include "sdpd.h" |
| #include "btio.h" |
| #include "glib-helper.h" |
| |
| #include "common.h" |
| #include "server.h" |
| |
| #define NETWORK_SERVER_INTERFACE "org.bluez.NetworkServer" |
| #define SETUP_TIMEOUT 1 |
| |
| /* Pending Authorization */ |
| struct network_session { |
| bdaddr_t dst; /* Remote Bluetooth Address */ |
| GIOChannel *io; /* Pending connect channel */ |
| guint watch; /* BNEP socket watch */ |
| }; |
| |
| struct network_adapter { |
| struct btd_adapter *adapter; /* Adapter pointer */ |
| GIOChannel *io; /* Bnep socket */ |
| struct network_session *setup; /* Setup in progress */ |
| GSList *servers; /* Server register to adapter */ |
| }; |
| |
| /* Main server structure */ |
| struct network_server { |
| bdaddr_t src; /* Bluetooth Local Address */ |
| char *iface; /* DBus interface */ |
| char *name; /* Server service name */ |
| char *bridge; /* Bridge name */ |
| uint32_t record_id; /* Service record id */ |
| uint16_t id; /* Service class identifier */ |
| GSList *sessions; /* Active connections */ |
| struct network_adapter *na; /* Adapter reference */ |
| guint watch_id; /* Client service watch */ |
| }; |
| |
| static DBusConnection *connection = NULL; |
| static GSList *adapters = NULL; |
| static gboolean security = TRUE; |
| |
| static struct network_adapter *find_adapter(GSList *list, |
| struct btd_adapter *adapter) |
| { |
| GSList *l; |
| |
| for (l = list; l; l = l->next) { |
| struct network_adapter *na = l->data; |
| |
| if (na->adapter == adapter) |
| return na; |
| } |
| |
| return NULL; |
| } |
| |
| static struct network_server *find_server(GSList *list, uint16_t id) |
| { |
| GSList *l; |
| |
| for (l = list; l; l = l->next) { |
| struct network_server *ns = l->data; |
| |
| if (ns->id == id) |
| return ns; |
| } |
| |
| return NULL; |
| } |
| |
| static void add_lang_attr(sdp_record_t *r) |
| { |
| sdp_lang_attr_t base_lang; |
| sdp_list_t *langs = 0; |
| |
| /* UTF-8 MIBenum (http://www.iana.org/assignments/character-sets) */ |
| base_lang.code_ISO639 = (0x65 << 8) | 0x6e; |
| base_lang.encoding = 106; |
| base_lang.base_offset = SDP_PRIMARY_LANG_BASE; |
| langs = sdp_list_append(0, &base_lang); |
| sdp_set_lang_attr(r, langs); |
| sdp_list_free(langs, 0); |
| } |
| |
| static sdp_record_t *server_record_new(const char *name, uint16_t id) |
| { |
| sdp_list_t *svclass, *pfseq, *apseq, *root, *aproto; |
| uuid_t root_uuid, pan, l2cap, bnep; |
| sdp_profile_desc_t profile[1]; |
| sdp_list_t *proto[2]; |
| sdp_data_t *v, *p; |
| uint16_t psm = BNEP_PSM, version = 0x0100; |
| uint16_t security_desc = (security ? 0x0001 : 0x0000); |
| uint16_t net_access_type = 0xfffe; |
| uint32_t max_net_access_rate = 0; |
| const char *desc = "Network service"; |
| sdp_record_t *record; |
| |
| record = sdp_record_alloc(); |
| if (!record) |
| return NULL; |
| |
| record->attrlist = NULL; |
| record->pattern = NULL; |
| |
| switch (id) { |
| case BNEP_SVC_NAP: |
| sdp_uuid16_create(&pan, NAP_SVCLASS_ID); |
| svclass = sdp_list_append(NULL, &pan); |
| sdp_set_service_classes(record, svclass); |
| |
| sdp_uuid16_create(&profile[0].uuid, NAP_PROFILE_ID); |
| profile[0].version = 0x0100; |
| pfseq = sdp_list_append(NULL, &profile[0]); |
| sdp_set_profile_descs(record, pfseq); |
| |
| sdp_set_info_attr(record, name, NULL, desc); |
| |
| sdp_attr_add_new(record, SDP_ATTR_NET_ACCESS_TYPE, |
| SDP_UINT16, &net_access_type); |
| sdp_attr_add_new(record, SDP_ATTR_MAX_NET_ACCESSRATE, |
| SDP_UINT32, &max_net_access_rate); |
| break; |
| case BNEP_SVC_GN: |
| sdp_uuid16_create(&pan, GN_SVCLASS_ID); |
| svclass = sdp_list_append(NULL, &pan); |
| sdp_set_service_classes(record, svclass); |
| |
| sdp_uuid16_create(&profile[0].uuid, GN_PROFILE_ID); |
| profile[0].version = 0x0100; |
| pfseq = sdp_list_append(NULL, &profile[0]); |
| sdp_set_profile_descs(record, pfseq); |
| |
| sdp_set_info_attr(record, name, NULL, desc); |
| break; |
| case BNEP_SVC_PANU: |
| sdp_uuid16_create(&pan, PANU_SVCLASS_ID); |
| svclass = sdp_list_append(NULL, &pan); |
| sdp_set_service_classes(record, svclass); |
| |
| sdp_uuid16_create(&profile[0].uuid, PANU_PROFILE_ID); |
| profile[0].version = 0x0100; |
| pfseq = sdp_list_append(NULL, &profile[0]); |
| sdp_set_profile_descs(record, pfseq); |
| |
| sdp_set_info_attr(record, name, NULL, desc); |
| break; |
| default: |
| sdp_record_free(record); |
| return NULL; |
| } |
| |
| 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); |
| p = sdp_data_alloc(SDP_UINT16, &psm); |
| proto[0] = sdp_list_append(proto[0], p); |
| apseq = sdp_list_append(NULL, proto[0]); |
| |
| sdp_uuid16_create(&bnep, BNEP_UUID); |
| proto[1] = sdp_list_append(NULL, &bnep); |
| v = sdp_data_alloc(SDP_UINT16, &version); |
| proto[1] = sdp_list_append(proto[1], v); |
| |
| /* Supported protocols */ |
| { |
| uint16_t ptype[] = { |
| 0x0800, /* IPv4 */ |
| 0x0806, /* ARP */ |
| }; |
| sdp_data_t *head, *pseq; |
| int p; |
| |
| for (p = 0, head = NULL; p < 2; p++) { |
| sdp_data_t *data = sdp_data_alloc(SDP_UINT16, &ptype[p]); |
| if (head) |
| sdp_seq_append(head, data); |
| else |
| head = data; |
| } |
| pseq = sdp_data_alloc(SDP_SEQ16, head); |
| proto[1] = sdp_list_append(proto[1], pseq); |
| } |
| |
| apseq = sdp_list_append(apseq, proto[1]); |
| |
| aproto = sdp_list_append(NULL, apseq); |
| sdp_set_access_protos(record, aproto); |
| |
| add_lang_attr(record); |
| |
| sdp_attr_add_new(record, SDP_ATTR_SECURITY_DESC, |
| SDP_UINT16, &security_desc); |
| |
| sdp_data_free(p); |
| sdp_data_free(v); |
| sdp_list_free(apseq, NULL); |
| sdp_list_free(root, NULL); |
| sdp_list_free(aproto, NULL); |
| sdp_list_free(proto[0], NULL); |
| sdp_list_free(proto[1], NULL); |
| sdp_list_free(svclass, NULL); |
| sdp_list_free(pfseq, NULL); |
| |
| return record; |
| } |
| |
| static ssize_t send_bnep_ctrl_rsp(int sk, uint16_t val) |
| { |
| struct bnep_control_rsp rsp; |
| |
| rsp.type = BNEP_CONTROL; |
| rsp.ctrl = BNEP_SETUP_CONN_RSP; |
| rsp.resp = htons(val); |
| |
| return send(sk, &rsp, sizeof(rsp), 0); |
| } |
| |
| static int server_connadd(struct network_server *ns, |
| struct network_session *session, |
| uint16_t dst_role) |
| { |
| char devname[16]; |
| int err, nsk; |
| |
| memset(devname, 0, sizeof(devname)); |
| strcpy(devname, "bnep%d"); |
| |
| nsk = g_io_channel_unix_get_fd(session->io); |
| err = bnep_connadd(nsk, dst_role, devname); |
| if (err < 0) |
| return err; |
| |
| info("Added new connection: %s", devname); |
| |
| if (bnep_add_to_bridge(devname, ns->bridge) < 0) { |
| error("Can't add %s to the bridge %s: %s(%d)", |
| devname, ns->bridge, strerror(errno), errno); |
| return -EPERM; |
| } |
| |
| bnep_if_up(devname); |
| |
| ns->sessions = g_slist_append(ns->sessions, session); |
| |
| return 0; |
| } |
| |
| static uint16_t bnep_setup_chk(uint16_t dst_role, uint16_t src_role) |
| { |
| /* Allowed PAN Profile scenarios */ |
| switch (dst_role) { |
| case BNEP_SVC_NAP: |
| case BNEP_SVC_GN: |
| if (src_role == BNEP_SVC_PANU) |
| return 0; |
| return BNEP_CONN_INVALID_SRC; |
| case BNEP_SVC_PANU: |
| if (src_role == BNEP_SVC_PANU || |
| src_role == BNEP_SVC_GN || |
| src_role == BNEP_SVC_NAP) |
| return 0; |
| |
| return BNEP_CONN_INVALID_SRC; |
| } |
| |
| return BNEP_CONN_INVALID_DST; |
| } |
| |
| static uint16_t bnep_setup_decode(struct bnep_setup_conn_req *req, |
| uint16_t *dst_role, uint16_t *src_role) |
| { |
| uint8_t *dest, *source; |
| |
| dest = req->service; |
| source = req->service + req->uuid_size; |
| |
| switch (req->uuid_size) { |
| case 2: /* UUID16 */ |
| *dst_role = ntohs(bt_get_unaligned((uint16_t *) dest)); |
| *src_role = ntohs(bt_get_unaligned((uint16_t *) source)); |
| break; |
| case 4: /* UUID32 */ |
| case 16: /* UUID128 */ |
| *dst_role = ntohl(bt_get_unaligned((uint32_t *) dest)); |
| *src_role = ntohl(bt_get_unaligned((uint32_t *) source)); |
| break; |
| default: |
| return BNEP_CONN_INVALID_SVC; |
| } |
| |
| return 0; |
| } |
| |
| static void session_free(void *data) |
| { |
| struct network_session *session = data; |
| |
| if (session->watch) |
| g_source_remove(session->watch); |
| |
| if (session->io) |
| g_io_channel_unref(session->io); |
| |
| g_free(session); |
| } |
| |
| static void setup_destroy(void *user_data) |
| { |
| struct network_adapter *na = user_data; |
| struct network_session *setup = na->setup; |
| |
| if (!setup) |
| return; |
| |
| na->setup = NULL; |
| |
| session_free(setup); |
| } |
| |
| static gboolean bnep_setup(GIOChannel *chan, |
| GIOCondition cond, gpointer user_data) |
| { |
| struct network_adapter *na = user_data; |
| struct network_server *ns; |
| uint8_t packet[BNEP_MTU]; |
| struct bnep_setup_conn_req *req = (void *) packet; |
| uint16_t src_role, dst_role, rsp = BNEP_CONN_NOT_ALLOWED; |
| int n, sk; |
| |
| if (cond & G_IO_NVAL) |
| return FALSE; |
| |
| if (cond & (G_IO_ERR | G_IO_HUP)) { |
| error("Hangup or error on BNEP socket"); |
| return FALSE; |
| } |
| |
| sk = g_io_channel_unix_get_fd(chan); |
| |
| /* Reading BNEP_SETUP_CONNECTION_REQUEST_MSG */ |
| n = read(sk, packet, sizeof(packet)); |
| if (n < 0) { |
| error("read(): %s(%d)", strerror(errno), errno); |
| return FALSE; |
| } |
| |
| if (req->type != BNEP_CONTROL || req->ctrl != BNEP_SETUP_CONN_REQ) |
| return FALSE; |
| |
| rsp = bnep_setup_decode(req, &dst_role, &src_role); |
| if (rsp) |
| goto reply; |
| |
| rsp = bnep_setup_chk(dst_role, src_role); |
| if (rsp) |
| goto reply; |
| |
| ns = find_server(na->servers, dst_role); |
| if (!ns) { |
| error("Server unavailable: (0x%x)", dst_role); |
| goto reply; |
| } |
| |
| if (!ns->record_id) { |
| error("Service record not available"); |
| goto reply; |
| } |
| |
| if (!ns->bridge) { |
| error("Bridge interface not configured"); |
| goto reply; |
| } |
| |
| if (server_connadd(ns, na->setup, dst_role) < 0) |
| goto reply; |
| |
| na->setup = NULL; |
| |
| rsp = BNEP_SUCCESS; |
| |
| reply: |
| send_bnep_ctrl_rsp(sk, rsp); |
| |
| return FALSE; |
| } |
| |
| static void connect_event(GIOChannel *chan, GError *err, gpointer user_data) |
| { |
| struct network_adapter *na = user_data; |
| |
| if (err) { |
| error("%s", err->message); |
| setup_destroy(na); |
| return; |
| } |
| |
| g_io_channel_set_close_on_unref(chan, TRUE); |
| |
| na->setup->watch = g_io_add_watch_full(chan, G_PRIORITY_DEFAULT, |
| G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL, |
| bnep_setup, na, setup_destroy); |
| } |
| |
| static void auth_cb(DBusError *derr, void *user_data) |
| { |
| struct network_adapter *na = user_data; |
| GError *err = NULL; |
| |
| if (derr) { |
| error("Access denied: %s", derr->message); |
| goto reject; |
| } |
| |
| if (!bt_io_accept(na->setup->io, connect_event, na, NULL, |
| &err)) { |
| error("bt_io_accept: %s", err->message); |
| g_error_free(err); |
| goto reject; |
| } |
| |
| return; |
| |
| reject: |
| g_io_channel_shutdown(na->setup->io, TRUE, NULL); |
| setup_destroy(na); |
| } |
| |
| static void confirm_event(GIOChannel *chan, gpointer user_data) |
| { |
| struct network_adapter *na = user_data; |
| struct network_server *ns; |
| int perr; |
| bdaddr_t src, dst; |
| char address[18]; |
| GError *err = NULL; |
| |
| bt_io_get(chan, BT_IO_L2CAP, &err, |
| BT_IO_OPT_SOURCE_BDADDR, &src, |
| BT_IO_OPT_DEST_BDADDR, &dst, |
| BT_IO_OPT_DEST, address, |
| BT_IO_OPT_INVALID); |
| if (err) { |
| error("%s", err->message); |
| g_error_free(err); |
| goto drop; |
| } |
| |
| DBG("BNEP: incoming connect from %s", address); |
| |
| if (na->setup) { |
| error("Refusing connect from %s: setup in progress", address); |
| goto drop; |
| } |
| |
| ns = find_server(na->servers, BNEP_SVC_NAP); |
| if (!ns) |
| goto drop; |
| |
| if (!ns->record_id) |
| goto drop; |
| |
| if (!ns->bridge) |
| goto drop; |
| |
| na->setup = g_new0(struct network_session, 1); |
| bacpy(&na->setup->dst, &dst); |
| na->setup->io = g_io_channel_ref(chan); |
| |
| perr = btd_request_authorization(&src, &dst, BNEP_SVC_UUID, |
| auth_cb, na); |
| if (perr < 0) { |
| error("Refusing connect from %s: %s (%d)", address, |
| strerror(-perr), -perr); |
| setup_destroy(na); |
| goto drop; |
| } |
| |
| return; |
| |
| drop: |
| g_io_channel_shutdown(chan, TRUE, NULL); |
| } |
| |
| int server_init(DBusConnection *conn, gboolean secure) |
| { |
| security = secure; |
| connection = dbus_connection_ref(conn); |
| |
| return 0; |
| } |
| |
| void server_exit(void) |
| { |
| dbus_connection_unref(connection); |
| connection = NULL; |
| } |
| |
| static uint32_t register_server_record(struct network_server *ns) |
| { |
| sdp_record_t *record; |
| |
| record = server_record_new(ns->name, ns->id); |
| if (!record) { |
| error("Unable to allocate new service record"); |
| return 0; |
| } |
| |
| if (add_record_to_server(&ns->src, record) < 0) { |
| error("Failed to register service record"); |
| sdp_record_free(record); |
| return 0; |
| } |
| |
| DBG("got record id 0x%x", record->handle); |
| |
| return record->handle; |
| } |
| |
| static void server_disconnect(DBusConnection *conn, void *user_data) |
| { |
| struct network_server *ns = user_data; |
| |
| ns->watch_id = 0; |
| |
| if (ns->record_id) { |
| remove_record_from_server(ns->record_id); |
| ns->record_id = 0; |
| } |
| |
| g_free(ns->bridge); |
| ns->bridge = NULL; |
| } |
| |
| static DBusMessage *register_server(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| struct network_server *ns = data; |
| DBusMessage *reply; |
| const char *uuid, *bridge; |
| |
| if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &uuid, |
| DBUS_TYPE_STRING, &bridge, DBUS_TYPE_INVALID)) |
| return NULL; |
| |
| if (g_strcmp0(uuid, "nap")) |
| return btd_error_failed(msg, "Invalid UUID"); |
| |
| if (ns->record_id) |
| return btd_error_already_exists(msg); |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return NULL; |
| |
| ns->record_id = register_server_record(ns); |
| if (!ns->record_id) |
| return btd_error_failed(msg, "SDP record registration failed"); |
| |
| g_free(ns->bridge); |
| ns->bridge = g_strdup(bridge); |
| |
| ns->watch_id = g_dbus_add_disconnect_watch(conn, |
| dbus_message_get_sender(msg), |
| server_disconnect, ns, NULL); |
| |
| return reply; |
| } |
| |
| static DBusMessage *unregister_server(DBusConnection *conn, |
| DBusMessage *msg, void *data) |
| { |
| struct network_server *ns = data; |
| DBusMessage *reply; |
| const char *uuid; |
| |
| if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &uuid, |
| DBUS_TYPE_INVALID)) |
| return NULL; |
| |
| if (g_strcmp0(uuid, "nap")) |
| return btd_error_failed(msg, "Invalid UUID"); |
| |
| reply = dbus_message_new_method_return(msg); |
| if (!reply) |
| return NULL; |
| |
| g_dbus_remove_watch(conn, ns->watch_id); |
| |
| server_disconnect(conn, ns); |
| |
| return reply; |
| } |
| |
| static void adapter_free(struct network_adapter *na) |
| { |
| if (na->io != NULL) { |
| g_io_channel_shutdown(na->io, TRUE, NULL); |
| g_io_channel_unref(na->io); |
| } |
| |
| setup_destroy(na); |
| btd_adapter_unref(na->adapter); |
| g_free(na); |
| } |
| |
| static void server_free(struct network_server *ns) |
| { |
| if (!ns) |
| return; |
| |
| /* FIXME: Missing release/free all bnepX interfaces */ |
| if (ns->record_id) |
| remove_record_from_server(ns->record_id); |
| |
| g_free(ns->iface); |
| g_free(ns->name); |
| g_free(ns->bridge); |
| |
| if (ns->sessions) { |
| g_slist_foreach(ns->sessions, (GFunc) session_free, NULL); |
| g_slist_free(ns->sessions); |
| } |
| |
| g_free(ns); |
| } |
| |
| static void path_unregister(void *data) |
| { |
| struct network_server *ns = data; |
| struct network_adapter *na = ns->na; |
| |
| DBG("Unregistered interface %s on path %s", |
| ns->iface, adapter_get_path(na->adapter)); |
| |
| na->servers = g_slist_remove(na->servers, ns); |
| server_free(ns); |
| |
| if (na->servers) |
| return; |
| |
| adapters = g_slist_remove(adapters, na); |
| adapter_free(na); |
| } |
| |
| static GDBusMethodTable server_methods[] = { |
| { "Register", "ss", "", register_server }, |
| { "Unregister", "s", "", unregister_server }, |
| { } |
| }; |
| |
| static struct network_adapter *create_adapter(struct btd_adapter *adapter) |
| { |
| struct network_adapter *na; |
| GError *err = NULL; |
| bdaddr_t src; |
| |
| na = g_new0(struct network_adapter, 1); |
| na->adapter = btd_adapter_ref(adapter); |
| |
| adapter_get_address(adapter, &src); |
| |
| na->io = bt_io_listen(BT_IO_L2CAP, NULL, confirm_event, na, |
| NULL, &err, |
| BT_IO_OPT_SOURCE_BDADDR, &src, |
| BT_IO_OPT_PSM, BNEP_PSM, |
| BT_IO_OPT_OMTU, BNEP_MTU, |
| BT_IO_OPT_IMTU, BNEP_MTU, |
| BT_IO_OPT_SEC_LEVEL, |
| security ? BT_IO_SEC_MEDIUM : BT_IO_SEC_LOW, |
| BT_IO_OPT_INVALID); |
| if (!na->io) { |
| error("%s", err->message); |
| g_error_free(err); |
| adapter_free(na); |
| return NULL; |
| } |
| |
| return na; |
| } |
| |
| int server_register(struct btd_adapter *adapter) |
| { |
| struct network_adapter *na; |
| struct network_server *ns; |
| const char *path; |
| |
| na = find_adapter(adapters, adapter); |
| if (!na) { |
| na = create_adapter(adapter); |
| if (!na) |
| return -EINVAL; |
| adapters = g_slist_append(adapters, na); |
| } |
| |
| ns = find_server(na->servers, BNEP_SVC_NAP); |
| if (ns) |
| return 0; |
| |
| ns = g_new0(struct network_server, 1); |
| |
| ns->iface = g_strdup(NETWORK_SERVER_INTERFACE); |
| ns->name = g_strdup("Network service"); |
| |
| path = adapter_get_path(adapter); |
| |
| if (!g_dbus_register_interface(connection, path, ns->iface, |
| server_methods, NULL, NULL, |
| ns, path_unregister)) { |
| error("D-Bus failed to register %s interface", |
| ns->iface); |
| server_free(ns); |
| return -1; |
| } |
| |
| adapter_get_address(adapter, &ns->src); |
| ns->id = BNEP_SVC_NAP; |
| ns->na = na; |
| ns->record_id = 0; |
| na->servers = g_slist_append(na->servers, ns); |
| |
| DBG("Registered interface %s on path %s", ns->iface, path); |
| |
| return 0; |
| } |
| |
| int server_unregister(struct btd_adapter *adapter) |
| { |
| struct network_adapter *na; |
| struct network_server *ns; |
| uint16_t id = BNEP_SVC_NAP; |
| |
| na = find_adapter(adapters, adapter); |
| if (!na) |
| return -EINVAL; |
| |
| ns = find_server(na->servers, id); |
| if (!ns) |
| return -EINVAL; |
| |
| g_dbus_unregister_interface(connection, adapter_get_path(adapter), |
| ns->iface); |
| |
| return 0; |
| } |