bluez/android/bluetooth.c
Szymon Janc ffb856322c android: Use G_N_ELEMENTS macro for table elements calculation
It is more common in codebase to use this macro instead of opencoded
(sizeof(foo)/sizeof(foo[0])).
2013-12-03 13:44:04 +02:00

2430 lines
55 KiB
C

/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2013 Intel Corporation. All rights reserved.
*
*
* 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 <errno.h>
#include <stdlib.h>
#include <glib.h>
#include "lib/bluetooth.h"
#include "lib/sdp.h"
#include "lib/mgmt.h"
#include "src/shared/mgmt.h"
#include "src/glib-helper.h"
#include "src/eir.h"
#include "lib/sdp.h"
#include "lib/sdp_lib.h"
#include "src/sdp-client.h"
#include "src/sdpd.h"
#include "log.h"
#include "hal-msg.h"
#include "ipc.h"
#include "utils.h"
#include "bluetooth.h"
#define DEVICE_ID_SOURCE 0x0002 /* USB */
#define DEVICE_ID_VENDOR 0x1d6b /* Linux Foundation */
#define DEVICE_ID_PRODUCT 0x0247 /* BlueZ for Android */
/* Default to DisplayYesNo */
#define DEFAULT_IO_CAPABILITY 0x01
/* Default discoverable timeout 120sec as in Android */
#define DEFAULT_DISCOVERABLE_TIMEOUT 120
#define BASELEN_PROP_CHANGED (sizeof(struct hal_ev_adapter_props_changed) \
+ (sizeof(struct hal_property)))
static uint16_t option_index = MGMT_INDEX_NONE;
#define BASELEN_REMOTE_DEV_PROP (sizeof(struct hal_ev_remote_device_props) \
+ sizeof(struct hal_property))
/* This list contains addresses which are asked for records */
static GSList *browse_reqs;
static struct mgmt *mgmt_if = NULL;
static struct {
uint16_t index;
bdaddr_t bdaddr;
uint32_t dev_class;
char *name;
uint32_t current_settings;
bool discovering;
uint32_t discoverable_timeout;
GSList *uuids;
} adapter = {
.index = MGMT_INDEX_NONE,
.dev_class = 0,
.name = NULL,
.current_settings = 0,
.discovering = false,
.discoverable_timeout = DEFAULT_DISCOVERABLE_TIMEOUT,
.uuids = NULL,
};
struct device {
bdaddr_t bdaddr;
int bond_state;
char *name;
};
struct browse_req {
bdaddr_t bdaddr;
GSList *uuids;
int search_uuid;
int reconnect_attempt;
};
static const uint16_t uuid_list[] = {
L2CAP_UUID,
PNP_INFO_SVCLASS_ID,
PUBLIC_BROWSE_GROUP,
0
};
static GSList *found_devices = NULL;
static GSList *devices = NULL;
static void adapter_name_changed(const uint8_t *name)
{
struct hal_ev_adapter_props_changed *ev;
size_t len = strlen((const char *) name);
uint8_t buf[BASELEN_PROP_CHANGED + len];
memset(buf, 0, sizeof(buf));
ev = (void *) buf;
ev->num_props = 1;
ev->status = HAL_STATUS_SUCCESS;
ev->props[0].type = HAL_PROP_ADAPTER_NAME;
/* Android expects value without NULL terminator */
ev->props[0].len = len;
memcpy(ev->props->val, name, len);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ADAPTER_PROPS_CHANGED,
sizeof(buf), ev);
}
static void adapter_set_name(const uint8_t *name)
{
if (!g_strcmp0(adapter.name, (const char *) name))
return;
DBG("%s", name);
g_free(adapter.name);
adapter.name = g_strdup((const char *) name);
adapter_name_changed(name);
}
static void mgmt_local_name_changed_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_cp_set_local_name *rp = param;
if (length < sizeof(*rp)) {
error("Wrong size of local name changed parameters");
return;
}
adapter_set_name(rp->name);
/* TODO Update services if needed */
}
static void powered_changed(void)
{
struct hal_ev_adapter_state_changed ev;
ev.state = (adapter.current_settings & MGMT_SETTING_POWERED) ?
HAL_POWER_ON : HAL_POWER_OFF;
DBG("%u", ev.state);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ADAPTER_STATE_CHANGED,
sizeof(ev), &ev);
}
static uint8_t settings2scan_mode(void)
{
bool connectable, discoverable;
connectable = adapter.current_settings & MGMT_SETTING_CONNECTABLE;
discoverable = adapter.current_settings & MGMT_SETTING_DISCOVERABLE;
if (connectable && discoverable)
return HAL_ADAPTER_SCAN_MODE_CONN_DISC;
if (connectable)
return HAL_ADAPTER_SCAN_MODE_CONN;
return HAL_ADAPTER_SCAN_MODE_NONE;
}
static void scan_mode_changed(void)
{
uint8_t buf[BASELEN_PROP_CHANGED + 1];
struct hal_ev_adapter_props_changed *ev = (void *) buf;
uint8_t *mode;
ev->num_props = 1;
ev->status = HAL_STATUS_SUCCESS;
ev->props[0].type = HAL_PROP_ADAPTER_SCAN_MODE;
ev->props[0].len = 1;
mode = ev->props[0].val;
*mode = settings2scan_mode();
DBG("mode %u", *mode);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ADAPTER_PROPS_CHANGED,
sizeof(buf), buf);
}
static void adapter_class_changed(void)
{
uint8_t buf[BASELEN_PROP_CHANGED + sizeof(uint32_t)];
struct hal_ev_adapter_props_changed *ev = (void *) buf;
ev->num_props = 1;
ev->status = HAL_STATUS_SUCCESS;
ev->props[0].type = HAL_PROP_ADAPTER_CLASS;
ev->props[0].len = sizeof(uint32_t);
memcpy(ev->props->val, &adapter.dev_class, sizeof(uint32_t));
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ADAPTER_PROPS_CHANGED,
sizeof(buf), buf);
}
static void settings_changed(uint32_t settings)
{
uint32_t changed_mask;
uint32_t scan_mode_mask;
changed_mask = adapter.current_settings ^ settings;
adapter.current_settings = settings;
DBG("0x%08x", changed_mask);
if (changed_mask & MGMT_SETTING_POWERED)
powered_changed();
scan_mode_mask = MGMT_SETTING_CONNECTABLE |
MGMT_SETTING_DISCOVERABLE;
/*
* Only when powered, the connectable and discoverable
* state changes should be communicated.
*/
if (adapter.current_settings & MGMT_SETTING_POWERED)
if (changed_mask & scan_mode_mask)
scan_mode_changed();
}
static void new_settings_callback(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
uint32_t settings;
if (length < sizeof(settings)) {
error("Wrong size of new settings parameters");
return;
}
settings = bt_get_le32(param);
DBG("settings: 0x%8.8x -> 0x%8.8x", adapter.current_settings,
settings);
if (settings == adapter.current_settings)
return;
settings_changed(settings);
}
static void mgmt_dev_class_changed_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_cod *rp = param;
uint32_t dev_class;
if (length < sizeof(*rp)) {
error("Wrong size of class of device changed parameters");
return;
}
dev_class = rp->val[0] | (rp->val[1] << 8) | (rp->val[2] << 16);
if (dev_class == adapter.dev_class)
return;
DBG("Class: 0x%06x", dev_class);
adapter.dev_class = dev_class;
adapter_class_changed();
/* TODO: Gatt attrib set*/
}
static void store_link_key(const bdaddr_t *dst, const uint8_t *key,
uint8_t type, uint8_t pin_length)
{
/* TODO store link key */
}
static int bdaddr_cmp(gconstpointer a, gconstpointer b)
{
const bdaddr_t *bda = a;
const bdaddr_t *bdb = b;
return bacmp(bdb, bda);
}
static void send_bond_state_change(const bdaddr_t *addr, uint8_t status,
uint8_t state)
{
struct hal_ev_bond_state_changed ev;
ev.status = status;
ev.state = state;
bdaddr2android(addr, ev.bdaddr);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_BOND_STATE_CHANGED,
sizeof(ev), &ev);
}
static void cache_device_name(const bdaddr_t *addr, const char *name)
{
struct device *dev = NULL;
GSList *l;
l = g_slist_find_custom(devices, addr, bdaddr_cmp);
if (l)
dev = l->data;
if (!dev) {
dev = g_new0(struct device, 1);
bacpy(&dev->bdaddr, addr);
dev->bond_state = HAL_BOND_STATE_NONE;
devices = g_slist_prepend(devices, dev);
}
if (!g_strcmp0(dev->name, name))
return;
g_free(dev->name);
dev->name = g_strdup(name);
/*TODO: Do some real caching here */
}
static void set_device_bond_state(const bdaddr_t *addr, uint8_t status,
int state) {
struct device *dev = NULL;
GSList *l;
l = g_slist_find_custom(devices, addr, bdaddr_cmp);
if (l)
dev = l->data;
if (!dev) {
dev = g_new0(struct device, 1);
bacpy(&dev->bdaddr, addr);
dev->bond_state = HAL_BOND_STATE_NONE;
devices = g_slist_prepend(devices, dev);
}
if (dev->bond_state != state) {
dev->bond_state = state;
send_bond_state_change(&dev->bdaddr, status, state);
}
}
static void browse_req_free(struct browse_req *req)
{
g_slist_free_full(req->uuids, g_free);
g_free(req);
}
static void fill_uuids(GSList *list, void *buf)
{
for (; list; list = g_slist_next(list)) {
memcpy(buf, list->data, sizeof(uint128_t));
buf += sizeof(uint128_t);
}
}
static void remote_uuids_callback(struct browse_req *req)
{
struct hal_ev_remote_device_props *ev;
int len;
len = sizeof(*ev) + sizeof(struct hal_property) + (sizeof(uint128_t) *
g_slist_length(req->uuids));
ev = g_malloc(len);
ev->status = HAL_STATUS_SUCCESS;
bdaddr2android(&req->bdaddr, &ev->bdaddr);
ev->num_props = 1;
ev->props[0].type = HAL_PROP_DEVICE_UUIDS;
ev->props[0].len = sizeof(uint128_t) * g_slist_length(req->uuids);
fill_uuids(req->uuids, ev->props[0].val);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_REMOTE_DEVICE_PROPS,
len, ev);
g_free(ev);
}
static int uuid_128_cmp(gconstpointer a, gconstpointer b)
{
return memcmp(a, b, sizeof(uint128_t));
}
static void update_records(struct browse_req *req, sdp_list_t *recs)
{
for (; recs; recs = recs->next) {
sdp_record_t *rec = (sdp_record_t *) recs->data;
sdp_list_t *svcclass = NULL;
uuid_t uuid128;
uuid_t *tmp;
uint8_t *new_uuid;
if (!rec)
break;
if (sdp_get_service_classes(rec, &svcclass) < 0)
continue;
if (!svcclass)
continue;
tmp = svcclass->data;
switch (tmp->type) {
case SDP_UUID16:
sdp_uuid16_to_uuid128(&uuid128, tmp);
break;
case SDP_UUID32:
sdp_uuid32_to_uuid128(&uuid128, tmp);
break;
case SDP_UUID128:
memcpy(&uuid128, tmp, sizeof(uuid_t));
break;
default:
sdp_list_free(svcclass, free);
continue;
}
new_uuid = g_malloc(16);/* size of 128 bit uuid */
memcpy(new_uuid, &uuid128.value.uuid128,
sizeof(uuid128.value.uuid128));
/* Check if uuid is already added */
if (g_slist_find_custom(req->uuids, new_uuid, uuid_128_cmp))
g_free(new_uuid);
else
req->uuids = g_slist_append(req->uuids, new_uuid);
sdp_list_free(svcclass, free);
}
}
static void browse_cb(sdp_list_t *recs, int err, gpointer user_data)
{
struct browse_req *req = user_data;
uuid_t uuid;
/* If we have a valid response and req->search_uuid == 2, then L2CAP
* UUID & PNP searching was successful -- we are done */
if (err < 0 || req->search_uuid == 2) {
if (err == -ECONNRESET && req->reconnect_attempt < 1) {
req->search_uuid--;
req->reconnect_attempt++;
} else {
goto done;
}
}
update_records(req, recs);
/* Search for mandatory uuids */
if (uuid_list[req->search_uuid]) {
sdp_uuid16_create(&uuid, uuid_list[req->search_uuid++]);
bt_search_service(&adapter.bdaddr, &req->bdaddr, &uuid,
browse_cb, user_data, NULL);
return;
}
done:
remote_uuids_callback(req);
browse_reqs = g_slist_remove(browse_reqs, req);
browse_req_free(req);
}
static int req_cmp(gconstpointer a, gconstpointer b)
{
const struct browse_req *req = a;
const bdaddr_t *bdaddr = b;
return bacmp(&req->bdaddr, bdaddr);
}
static uint8_t browse_remote_sdp(const bdaddr_t *addr)
{
struct browse_req *req;
uuid_t uuid;
if (g_slist_find_custom(browse_reqs, addr, req_cmp))
return HAL_STATUS_DONE;
req = g_new0(struct browse_req, 1);
bacpy(&req->bdaddr, addr);
sdp_uuid16_create(&uuid, uuid_list[req->search_uuid++]);
if (bt_search_service(&adapter.bdaddr,
&req->bdaddr, &uuid, browse_cb, req, NULL) < 0) {
browse_req_free(req);
return false;
}
browse_reqs = g_slist_append(browse_reqs, req);
return HAL_STATUS_SUCCESS;
}
static void new_link_key_callback(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_new_link_key *ev = param;
const struct mgmt_addr_info *addr = &ev->key.addr;
char dst[18];
if (length < sizeof(*ev)) {
error("Too small new link key event");
return;
}
ba2str(&addr->bdaddr, dst);
DBG("new key for %s type %u pin_len %u",
dst, ev->key.type, ev->key.pin_len);
if (ev->key.pin_len > 16) {
error("Invalid PIN length (%u) in new_key event",
ev->key.pin_len);
return;
}
if (ev->store_hint) {
const struct mgmt_link_key_info *key = &ev->key;
store_link_key(&addr->bdaddr, key->val, key->type,
key->pin_len);
}
set_device_bond_state(&addr->bdaddr, HAL_STATUS_SUCCESS,
HAL_BOND_STATE_BONDED);
browse_remote_sdp(&addr->bdaddr);
}
static const char *get_device_name(const bdaddr_t *addr)
{
GSList *l;
l = g_slist_find_custom(devices, addr, bdaddr_cmp);
if (l) {
struct device *dev = l->data;
return dev->name;
}
return NULL;
}
static void send_remote_device_name_prop(const bdaddr_t *bdaddr)
{
struct hal_ev_remote_device_props *ev;
const char *name;
size_t ev_len;
char dst[18];
/* Use cached name or bdaddr string */
name = get_device_name(bdaddr);
if (!name) {
ba2str(bdaddr, dst);
name = dst;
}
ev_len = BASELEN_REMOTE_DEV_PROP + strlen(name);
ev = g_malloc0(ev_len);
ev->status = HAL_STATUS_SUCCESS;
bdaddr2android(bdaddr, ev->bdaddr);
ev->num_props = 1;
ev->props[0].type = HAL_PROP_DEVICE_NAME;
ev->props[0].len = strlen(name);
memcpy(&ev->props[0].val, name, strlen(name));
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_REMOTE_DEVICE_PROPS,
ev_len, ev);
g_free(ev);
}
static void pin_code_request_callback(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_pin_code_request *ev = param;
struct hal_ev_pin_request hal_ev;
char dst[18];
if (length < sizeof(*ev)) {
error("Too small PIN code request event");
return;
}
ba2str(&ev->addr.bdaddr, dst);
/* Workaround for Android Bluetooth.apk issue: send remote
* device property */
send_remote_device_name_prop(&ev->addr.bdaddr);
set_device_bond_state(&ev->addr.bdaddr, HAL_STATUS_SUCCESS,
HAL_BOND_STATE_BONDING);
DBG("%s type %u secure %u", dst, ev->addr.type, ev->secure);
/* TODO CoD of remote devices should probably be cached
* Name we already send in remote device prop */
memset(&hal_ev, 0, sizeof(hal_ev));
bdaddr2android(&ev->addr.bdaddr, hal_ev.bdaddr);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_PIN_REQUEST,
sizeof(hal_ev), &hal_ev);
}
static void send_ssp_request(const bdaddr_t *addr, uint8_t variant,
uint32_t passkey)
{
struct hal_ev_ssp_request ev;
/* It is ok to have empty name and CoD of remote devices here since
* those information has been already provided on device_connected event
* or during device scaning. Android will use that instead.
*/
memset(&ev, 0, sizeof(ev));
bdaddr2android(addr, ev.bdaddr);
ev.pairing_variant = variant;
ev.passkey = passkey;
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_SSP_REQUEST,
sizeof(ev), &ev);
}
static void user_confirm_request_callback(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_user_confirm_request *ev = param;
char dst[18];
if (length < sizeof(*ev)) {
error("Too small user confirm request event");
return;
}
ba2str(&ev->addr.bdaddr, dst);
DBG("%s confirm_hint %u", dst, ev->confirm_hint);
set_device_bond_state(&ev->addr.bdaddr, HAL_STATUS_SUCCESS,
HAL_BOND_STATE_BONDING);
if (ev->confirm_hint)
send_ssp_request(&ev->addr.bdaddr, HAL_SSP_VARIANT_CONSENT, 0);
else
send_ssp_request(&ev->addr.bdaddr, HAL_SSP_VARIANT_CONFIRM,
ev->value);
}
static void user_passkey_request_callback(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_user_passkey_request *ev = param;
char dst[18];
if (length < sizeof(*ev)) {
error("Too small passkey request event");
return;
}
ba2str(&ev->addr.bdaddr, dst);
DBG("%s", dst);
set_device_bond_state(&ev->addr.bdaddr, HAL_STATUS_SUCCESS,
HAL_BOND_STATE_BONDING);
send_ssp_request(&ev->addr.bdaddr, HAL_SSP_VARIANT_ENTRY, 0);
}
static void user_passkey_notify_callback(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_passkey_notify *ev = param;
char dst[18];
if (length < sizeof(*ev)) {
error("Too small passkey notify event");
return;
}
ba2str(&ev->addr.bdaddr, dst);
DBG("%s entered %u", dst, ev->entered);
/* HAL seems to not support entered characters */
if (ev->entered)
return;
set_device_bond_state(&ev->addr.bdaddr, HAL_STATUS_SUCCESS,
HAL_BOND_STATE_BONDING);
send_ssp_request(&ev->addr.bdaddr, HAL_SSP_VARIANT_NOTIF,
ev->passkey);
}
static void mgmt_discovering_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_discovering *ev = param;
struct hal_ev_discovery_state_changed cp;
if (length < sizeof(*ev)) {
error("Too small discovering event");
return;
}
DBG("hci%u type %u discovering %u", index, ev->type,
ev->discovering);
if (adapter.discovering == !!ev->discovering)
return;
adapter.discovering = !!ev->discovering;
DBG("new discovering state %u", ev->discovering);
if (adapter.discovering) {
cp.state = HAL_DISCOVERY_STATE_STARTED;
} else {
g_slist_free_full(found_devices, g_free);
found_devices = NULL;
cp.state = HAL_DISCOVERY_STATE_STOPPED;
}
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH,
HAL_EV_DISCOVERY_STATE_CHANGED, sizeof(cp), &cp);
}
static void confirm_device_name(const bdaddr_t *addr, uint8_t addr_type)
{
struct mgmt_cp_confirm_name cp;
memset(&cp, 0, sizeof(cp));
bacpy(&cp.addr.bdaddr, addr);
cp.addr.type = addr_type;
if (mgmt_reply(mgmt_if, MGMT_OP_CONFIRM_NAME, adapter.index,
sizeof(cp), &cp, NULL, NULL, NULL) == 0)
error("Failed to send confirm name request");
}
static int fill_hal_prop(void *buf, uint8_t type, uint16_t len,
const void *val)
{
struct hal_property *prop = buf;
prop->type = type;
prop->len = len;
memcpy(prop->val, val, len);
return sizeof(*prop) + len;
}
static void update_found_device(const bdaddr_t *bdaddr, uint8_t bdaddr_type,
int8_t rssi, bool confirm,
const uint8_t *data, uint8_t data_len)
{
uint8_t buf[BLUEZ_HAL_MTU];
bool new_dev = false;
struct eir_data eir;
uint8_t *num_prop;
uint8_t opcode;
int size = 0;
int err;
memset(buf, 0, sizeof(buf));
memset(&eir, 0, sizeof(eir));
err = eir_parse(&eir, data, data_len);
if (err < 0) {
error("Error parsing EIR data: %s (%d)", strerror(-err), -err);
return;
}
if (!g_slist_find_custom(found_devices, bdaddr, bdaddr_cmp)) {
bdaddr_t *new_bdaddr;
char addr[18];
new_bdaddr = g_new0(bdaddr_t, 1);
bacpy(new_bdaddr, bdaddr);
found_devices = g_slist_prepend(found_devices, new_bdaddr);
ba2str(new_bdaddr, addr);
DBG("New device found: %s", addr);
new_dev = true;
}
if (new_dev) {
struct hal_ev_device_found *ev = (void *) buf;
bdaddr_t android_bdaddr;
size += sizeof(*ev);
num_prop = &ev->num_props;
opcode = HAL_EV_DEVICE_FOUND;
bdaddr2android(bdaddr, &android_bdaddr);
size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_ADDR,
sizeof(android_bdaddr), &android_bdaddr);
(*num_prop)++;
} else {
struct hal_ev_remote_device_props *ev = (void *) buf;
size += sizeof(*ev);
num_prop = &ev->num_props;
opcode = HAL_EV_REMOTE_DEVICE_PROPS;
ev->status = HAL_STATUS_SUCCESS;
bdaddr2android(bdaddr, ev->bdaddr);
}
if (eir.class) {
size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_CLASS,
sizeof(eir.class), &eir.class);
(*num_prop)++;
}
if (rssi) {
size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_RSSI,
sizeof(rssi), &rssi);
(*num_prop)++;
}
if (eir.name) {
cache_device_name(bdaddr, eir.name);
size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_NAME,
strlen(eir.name), eir.name);
(*num_prop)++;
}
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, opcode, size, buf);
if (confirm) {
char addr[18];
ba2str(bdaddr, addr);
info("Device %s needs name confirmation.", addr);
confirm_device_name(bdaddr, bdaddr_type);
}
eir_data_free(&eir);
}
static void mgmt_device_found_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_device_found *ev = param;
const uint8_t *eir;
uint16_t eir_len;
uint32_t flags;
bool confirm_name;
char addr[18];
if (length < sizeof(*ev)) {
error("Too short device found event (%u bytes)", length);
return;
}
eir_len = btohs(ev->eir_len);
if (length != sizeof(*ev) + eir_len) {
error("Device found event size mismatch (%u != %zu)",
length, sizeof(*ev) + eir_len);
return;
}
if (eir_len == 0)
eir = NULL;
else
eir = ev->eir;
flags = btohl(ev->flags);
ba2str(&ev->addr.bdaddr, addr);
DBG("hci%u addr %s, rssi %d flags 0x%04x eir_len %u",
index, addr, ev->rssi, flags, eir_len);
confirm_name = flags & MGMT_DEV_FOUND_CONFIRM_NAME;
update_found_device(&ev->addr.bdaddr, ev->addr.type, ev->rssi,
confirm_name, eir, eir_len);
}
static void mgmt_device_connected_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_device_connected *ev = param;
struct hal_ev_acl_state_changed hal_ev;
if (length < sizeof(*ev)) {
error("Too short device connected event (%u bytes)", length);
return;
}
update_found_device(&ev->addr.bdaddr, ev->addr.type, 0, false,
&ev->eir[0], btohs(ev->eir_len));
hal_ev.status = HAL_STATUS_SUCCESS;
hal_ev.state = HAL_ACL_STATE_CONNECTED;
bdaddr2android(&ev->addr.bdaddr, hal_ev.bdaddr);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ACL_STATE_CHANGED,
sizeof(hal_ev), &hal_ev);
}
static void mgmt_device_disconnected_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_device_disconnected *ev = param;
struct hal_ev_acl_state_changed hal_ev;
if (length < sizeof(*ev)) {
error("Too short device disconnected event (%u bytes)", length);
return;
}
hal_ev.status = HAL_STATUS_SUCCESS;
hal_ev.state = HAL_ACL_STATE_DISCONNECTED;
bdaddr2android(&ev->addr.bdaddr, hal_ev.bdaddr);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ACL_STATE_CHANGED,
sizeof(hal_ev), &hal_ev);
}
static uint8_t status_mgmt2hal(uint8_t mgmt)
{
switch (mgmt) {
case MGMT_STATUS_SUCCESS:
return HAL_STATUS_SUCCESS;
case MGMT_STATUS_NO_RESOURCES:
return HAL_STATUS_NOMEM;
case MGMT_STATUS_BUSY:
return HAL_STATUS_BUSY;
case MGMT_STATUS_NOT_SUPPORTED:
return HAL_STATUS_UNSUPPORTED;
case MGMT_STATUS_INVALID_PARAMS:
return HAL_STATUS_INVALID;
case MGMT_STATUS_AUTH_FAILED:
return HAL_STATUS_AUTH_FAILURE;
case MGMT_STATUS_NOT_CONNECTED:
return HAL_STATUS_REMOTE_DEVICE_DOWN;
default:
return HAL_STATUS_FAILED;
}
}
static void mgmt_connect_failed_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_connect_failed *ev = param;
DBG("");
/* In case security mode 3 pairing we will get connect failed event
* in case e.g wrong PIN code entered. Let's check if device is
* bonding, if so update bond state */
set_device_bond_state(&ev->addr.bdaddr, status_mgmt2hal(ev->status),
HAL_BOND_STATE_NONE);
}
static void mgmt_auth_failed_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_ev_auth_failed *ev = param;
DBG("");
set_device_bond_state(&ev->addr.bdaddr, status_mgmt2hal(ev->status),
HAL_BOND_STATE_NONE);
}
static void mgmt_device_unpaired_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
DBG("");
}
static void register_mgmt_handlers(void)
{
mgmt_register(mgmt_if, MGMT_EV_NEW_SETTINGS, adapter.index,
new_settings_callback, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_CLASS_OF_DEV_CHANGED, adapter.index,
mgmt_dev_class_changed_event, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_LOCAL_NAME_CHANGED, adapter.index,
mgmt_local_name_changed_event, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_NEW_LINK_KEY, adapter.index,
new_link_key_callback, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_PIN_CODE_REQUEST, adapter.index,
pin_code_request_callback, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_USER_CONFIRM_REQUEST, adapter.index,
user_confirm_request_callback, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_USER_PASSKEY_REQUEST, adapter.index,
user_passkey_request_callback, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_PASSKEY_NOTIFY, adapter.index,
user_passkey_notify_callback, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_DISCOVERING, adapter.index,
mgmt_discovering_event, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_DEVICE_FOUND, adapter.index,
mgmt_device_found_event, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_DEVICE_CONNECTED, adapter.index,
mgmt_device_connected_event, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_DEVICE_DISCONNECTED, adapter.index,
mgmt_device_disconnected_event, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_CONNECT_FAILED, adapter.index,
mgmt_connect_failed_event, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_AUTH_FAILED, adapter.index,
mgmt_auth_failed_event, NULL, NULL);
mgmt_register(mgmt_if, MGMT_EV_DEVICE_UNPAIRED, adapter.index,
mgmt_device_unpaired_event, NULL, NULL);
}
static void load_link_keys_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
bt_bluetooth_ready cb = user_data;
int err;
if (status) {
error("Failed to load link keys for index %u: %s (0x%02x)",
adapter.index, mgmt_errstr(status), status);
err = -EIO;
goto failed;
}
DBG("status %u", status);
cb(0, &adapter.bdaddr);
return;
failed:
cb(err, NULL);
}
static void load_link_keys(GSList *keys, bt_bluetooth_ready cb)
{
struct mgmt_cp_load_link_keys *cp;
struct mgmt_link_key_info *key;
size_t key_count, cp_size;
unsigned int id;
key_count = g_slist_length(keys);
DBG("keys %zu ", key_count);
cp_size = sizeof(*cp) + (key_count * sizeof(*key));
cp = g_malloc0(cp_size);
/*
* Even if the list of stored keys is empty, it is important to
* load an empty list into the kernel. That way it is ensured
* that no old keys from a previous daemon are present.
*/
cp->key_count = htobs(key_count);
for (key = cp->keys; keys != NULL; keys = g_slist_next(keys), key++)
memcpy(key, keys->data, sizeof(*key));
id = mgmt_send(mgmt_if, MGMT_OP_LOAD_LINK_KEYS, adapter.index,
cp_size, cp, load_link_keys_complete, cb, NULL);
g_free(cp);
if (id == 0) {
error("Failed to load link keys");
cb(-EIO, NULL);
}
}
/* output uint128 is in host order */
static void uuid16_to_uint128(uint16_t uuid, uint128_t *u128)
{
uuid_t uuid16, uuid128;
sdp_uuid16_create(&uuid16, uuid);
sdp_uuid16_to_uuid128(&uuid128, &uuid16);
ntoh128(&uuid128.value.uuid128, u128);
}
static uint8_t get_uuids(void)
{
struct hal_ev_adapter_props_changed *ev;
GSList *list = adapter.uuids;
unsigned int uuid_count = g_slist_length(list);
int len = uuid_count * sizeof(uint128_t);
uint8_t buf[BASELEN_PROP_CHANGED + len];
uint8_t *p;
int i;
memset(buf, 0, sizeof(buf));
ev = (void *) buf;
ev->num_props = 1;
ev->status = HAL_STATUS_SUCCESS;
ev->props[0].type = HAL_PROP_ADAPTER_UUIDS;
ev->props[0].len = len;
p = ev->props->val;
for (; list; list = g_slist_next(list)) {
uint16_t uuid = GPOINTER_TO_UINT(list->data);
uint128_t uint128;
uuid16_to_uint128(uuid, &uint128);
/* Android expects swapped bytes in uuid */
for (i = 0; i < 16; i++)
p[15 - i] = uint128.data[i];
p += sizeof(uint128_t);
}
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ADAPTER_PROPS_CHANGED,
sizeof(buf), ev);
return HAL_STATUS_SUCCESS;
}
static void remove_uuid_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
if (status != MGMT_STATUS_SUCCESS) {
error("Failed to remove UUID: %s (0x%02x)",
mgmt_errstr(status), status);
return;
}
mgmt_dev_class_changed_event(adapter.index, length, param, NULL);
get_uuids();
}
static void remove_uuid(uint16_t uuid)
{
uint128_t uint128;
struct mgmt_cp_remove_uuid cp;
uuid16_to_uint128(uuid, &uint128);
htob128(&uint128, (uint128_t *) cp.uuid);
mgmt_send(mgmt_if, MGMT_OP_REMOVE_UUID, adapter.index, sizeof(cp), &cp,
remove_uuid_complete, NULL, NULL);
}
static void add_uuid_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
if (status != MGMT_STATUS_SUCCESS) {
error("Failed to add UUID: %s (0x%02x)",
mgmt_errstr(status), status);
return;
}
mgmt_dev_class_changed_event(adapter.index, length, param, NULL);
get_uuids();
}
static void add_uuid(uint8_t svc_hint, uint16_t uuid)
{
uint128_t uint128;
struct mgmt_cp_add_uuid cp;
uuid16_to_uint128(uuid, &uint128);
htob128(&uint128, (uint128_t *) cp.uuid);
cp.svc_hint = svc_hint;
mgmt_send(mgmt_if, MGMT_OP_ADD_UUID, adapter.index, sizeof(cp), &cp,
add_uuid_complete, NULL, NULL);
}
int bt_adapter_add_record(sdp_record_t *rec, uint8_t svc_hint)
{
uint16_t uuid;
/* TODO support all types? */
if (rec->svclass.type != SDP_UUID16) {
warn("Ignoring unsupported UUID type");
return -EINVAL;
}
uuid = rec->svclass.value.uuid16;
if (g_slist_find(adapter.uuids, GUINT_TO_POINTER(uuid))) {
DBG("UUID 0x%x already added", uuid);
return -EALREADY;
}
adapter.uuids = g_slist_prepend(adapter.uuids, GUINT_TO_POINTER(uuid));
add_uuid(svc_hint, uuid);
return add_record_to_server(&adapter.bdaddr, rec);
}
void bt_adapter_remove_record(uint32_t handle)
{
sdp_record_t *rec;
GSList *uuid_found;
uint16_t uuid;
rec = sdp_record_find(handle);
if (!rec)
return;
uuid = rec->svclass.value.uuid16;
uuid_found = g_slist_find(adapter.uuids, GUINT_TO_POINTER(uuid));
if (uuid_found) {
remove_uuid(uuid);
adapter.uuids = g_slist_remove(adapter.uuids,
uuid_found->data);
}
remove_record_from_server(handle);
}
static void set_mode_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
if (status != MGMT_STATUS_SUCCESS) {
error("Failed to set mode: %s (0x%02x)",
mgmt_errstr(status), status);
return;
}
/*
* The parameters are identical and also the task that is
* required in both cases. So it is safe to just call the
* event handling functions here.
*/
new_settings_callback(adapter.index, length, param, NULL);
}
static bool set_mode(uint16_t opcode, uint8_t mode)
{
struct mgmt_mode cp;
memset(&cp, 0, sizeof(cp));
cp.val = mode;
DBG("opcode=0x%x mode=0x%x", opcode, mode);
if (mgmt_send(mgmt_if, opcode, adapter.index, sizeof(cp), &cp,
set_mode_complete, NULL, NULL) > 0)
return true;
error("Failed to set mode");
return false;
}
static void set_io_capability(void)
{
struct mgmt_cp_set_io_capability cp;
memset(&cp, 0, sizeof(cp));
cp.io_capability = DEFAULT_IO_CAPABILITY;
if (mgmt_send(mgmt_if, MGMT_OP_SET_IO_CAPABILITY, adapter.index,
sizeof(cp), &cp, NULL, NULL, NULL) == 0)
error("Failed to set IO capability");
}
static void set_device_id(void)
{
struct mgmt_cp_set_device_id cp;
uint8_t major, minor;
uint16_t version;
if (sscanf(VERSION, "%hhu.%hhu", &major, &minor) != 2)
return;
version = major << 8 | minor;
memset(&cp, 0, sizeof(cp));
cp.source = htobs(DEVICE_ID_SOURCE);
cp.vendor = htobs(DEVICE_ID_VENDOR);
cp.product = htobs(DEVICE_ID_PRODUCT);
cp.version = htobs(version);
if (mgmt_send(mgmt_if, MGMT_OP_SET_DEVICE_ID, adapter.index,
sizeof(cp), &cp, NULL, NULL, NULL) == 0)
error("Failed to set device id");
register_device_id(DEVICE_ID_SOURCE, DEVICE_ID_VENDOR,
DEVICE_ID_PRODUCT, version);
bt_adapter_add_record(sdp_record_find(0x10000), 0x00);
}
static void set_adapter_name_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_cp_set_local_name *rp = param;
if (status != MGMT_STATUS_SUCCESS) {
error("Failed to set name: %s (0x%02x)",
mgmt_errstr(status), status);
return;
}
adapter_set_name(rp->name);
}
static uint8_t set_adapter_name(const uint8_t *name, uint16_t len)
{
struct mgmt_cp_set_local_name cp;
memset(&cp, 0, sizeof(cp));
memcpy(cp.name, name, len);
if (mgmt_send(mgmt_if, MGMT_OP_SET_LOCAL_NAME, adapter.index,
sizeof(cp), &cp, set_adapter_name_complete,
NULL, NULL) > 0)
return HAL_STATUS_SUCCESS;
error("Failed to set name");
return HAL_STATUS_FAILED;
}
static uint8_t set_discoverable_timeout(const void *buf, uint16_t len)
{
const uint32_t *timeout = buf;
if (len != sizeof(*timeout)) {
error("Invalid set disc timeout size (%u bytes), terminating",
len);
raise(SIGTERM);
return HAL_STATUS_FAILED;
}
/* Android handles discoverable timeout in Settings app.
* There is no need to use kernel feature for that.
* Just need to store this value here */
/* TODO: This should be in some storage */
memcpy(&adapter.discoverable_timeout, timeout, sizeof(uint32_t));
return HAL_STATUS_SUCCESS;
}
static void clear_uuids(void)
{
struct mgmt_cp_remove_uuid cp;
memset(&cp, 0, sizeof(cp));
mgmt_send(mgmt_if, MGMT_OP_REMOVE_UUID, adapter.index,
sizeof(cp), &cp, NULL, NULL, NULL);
}
static void read_info_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_rp_read_info *rp = param;
bt_bluetooth_ready cb = user_data;
uint32_t missing_settings, supported_settings;
int err;
DBG("");
if (status) {
error("Failed to read info for index %u: %s (0x%02x)",
adapter.index, mgmt_errstr(status), status);
err = -EIO;
goto failed;
}
if (length < sizeof(*rp)) {
error("Too small read info complete response");
err = -EIO;
goto failed;
}
if (!bacmp(&rp->bdaddr, BDADDR_ANY)) {
error("No Bluetooth address");
err = -ENODEV;
goto failed;
}
/* Store adapter information */
bacpy(&adapter.bdaddr, &rp->bdaddr);
adapter.dev_class = rp->dev_class[0] | (rp->dev_class[1] << 8) |
(rp->dev_class[2] << 16);
adapter.name = g_strdup((const char *) rp->name);
supported_settings = btohs(rp->supported_settings);
adapter.current_settings = btohs(rp->current_settings);
/* TODO: Read discoverable timeout from storage here */
/* TODO: Register all event notification handlers */
register_mgmt_handlers();
clear_uuids();
load_link_keys(NULL, cb);
set_io_capability();
set_device_id();
missing_settings = adapter.current_settings ^ supported_settings;
if (missing_settings & MGMT_SETTING_SSP)
set_mode(MGMT_OP_SET_SSP, 0x01);
if (missing_settings & MGMT_SETTING_PAIRABLE)
set_mode(MGMT_OP_SET_PAIRABLE, 0x01);
return;
failed:
cb(err, NULL);
}
static void mgmt_index_added_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
bt_bluetooth_ready cb = user_data;
DBG("index %u", index);
if (adapter.index != MGMT_INDEX_NONE) {
DBG("skip event for index %u", index);
return;
}
if (option_index != MGMT_INDEX_NONE && option_index != index) {
DBG("skip event for index %u (option %u)", index, option_index);
return;
}
adapter.index = index;
if (mgmt_send(mgmt_if, MGMT_OP_READ_INFO, index, 0, NULL,
read_info_complete, cb, NULL) == 0) {
cb(-EIO, NULL);
return;
}
}
static void mgmt_index_removed_event(uint16_t index, uint16_t length,
const void *param, void *user_data)
{
DBG("index %u", index);
if (index != adapter.index)
return;
error("Adapter was removed. Exiting.");
raise(SIGTERM);
}
static void read_index_list_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_rp_read_index_list *rp = param;
bt_bluetooth_ready cb = user_data;
uint16_t num;
int i;
DBG("");
if (status) {
error("%s: Failed to read index list: %s (0x%02x)",
__func__, mgmt_errstr(status), status);
goto failed;
}
if (length < sizeof(*rp)) {
error("%s: Wrong size of read index list response", __func__);
goto failed;
}
num = btohs(rp->num_controllers);
DBG("Number of controllers: %u", num);
if (num * sizeof(uint16_t) + sizeof(*rp) != length) {
error("%s: Incorrect pkt size for index list rsp", __func__);
goto failed;
}
if (adapter.index != MGMT_INDEX_NONE)
return;
for (i = 0; i < num; i++) {
uint16_t index = btohs(rp->index[i]);
if (option_index != MGMT_INDEX_NONE && option_index != index)
continue;
if (mgmt_send(mgmt_if, MGMT_OP_READ_INFO, index, 0, NULL,
read_info_complete, cb, NULL) == 0)
goto failed;
adapter.index = index;
return;
}
return;
failed:
cb(-EIO, NULL);
}
static void read_version_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_rp_read_version *rp = param;
uint8_t mgmt_version, mgmt_revision;
bt_bluetooth_ready cb = user_data;
DBG("");
if (status) {
error("Failed to read version information: %s (0x%02x)",
mgmt_errstr(status), status);
goto failed;
}
if (length < sizeof(*rp)) {
error("Wrong size response");
goto failed;
}
mgmt_version = rp->version;
mgmt_revision = btohs(rp->revision);
info("Bluetooth management interface %u.%u initialized",
mgmt_version, mgmt_revision);
if (MGMT_VERSION(mgmt_version, mgmt_revision) < MGMT_VERSION(1, 3)) {
error("Version 1.3 or later of management interface required");
goto failed;
}
mgmt_register(mgmt_if, MGMT_EV_INDEX_ADDED, MGMT_INDEX_NONE,
mgmt_index_added_event, cb, NULL);
mgmt_register(mgmt_if, MGMT_EV_INDEX_REMOVED, MGMT_INDEX_NONE,
mgmt_index_removed_event, NULL, NULL);
if (mgmt_send(mgmt_if, MGMT_OP_READ_INDEX_LIST, MGMT_INDEX_NONE, 0,
NULL, read_index_list_complete, cb, NULL) > 0)
return;
error("Failed to read controller index list");
failed:
cb(-EIO, NULL);
}
bool bt_bluetooth_start(int index, bt_bluetooth_ready cb)
{
DBG("index %d", index);
mgmt_if = mgmt_new_default();
if (!mgmt_if) {
error("Failed to access management interface");
return false;
}
if (mgmt_send(mgmt_if, MGMT_OP_READ_VERSION, MGMT_INDEX_NONE, 0, NULL,
read_version_complete, cb, NULL) == 0) {
error("Error sending READ_VERSION mgmt command");
mgmt_unref(mgmt_if);
mgmt_if = NULL;
return false;
}
if (index >= 0)
option_index = index;
return true;
}
static void shutdown_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
bt_bluetooth_stopped cb = user_data;
if (status != MGMT_STATUS_SUCCESS)
error("Clean controller shutdown failed");
cb();
}
bool bt_bluetooth_stop(bt_bluetooth_stopped cb)
{
struct mgmt_mode cp;
if (adapter.index == MGMT_INDEX_NONE)
return false;
info("Switching controller off");
memset(&cp, 0, sizeof(cp));
return mgmt_send(mgmt_if, MGMT_OP_SET_POWERED, adapter.index,
sizeof(cp), &cp, shutdown_complete, (void *)cb,
NULL) > 0;
}
void bt_bluetooth_cleanup(void)
{
g_free(adapter.name);
adapter.name = NULL;
mgmt_unref(mgmt_if);
mgmt_if = NULL;
}
static bool set_discoverable(uint8_t mode, uint16_t timeout)
{
struct mgmt_cp_set_discoverable cp;
memset(&cp, 0, sizeof(cp));
cp.val = mode;
cp.timeout = htobs(timeout);
DBG("mode %u timeout %u", mode, timeout);
if (mgmt_send(mgmt_if, MGMT_OP_SET_DISCOVERABLE, adapter.index,
sizeof(cp), &cp, set_mode_complete, NULL, NULL) > 0)
return true;
error("Failed to set mode discoverable");
return false;
}
static uint8_t get_address(void)
{
uint8_t buf[BASELEN_PROP_CHANGED + sizeof(bdaddr_t)];
struct hal_ev_adapter_props_changed *ev = (void *) buf;
ev->num_props = 1;
ev->status = HAL_STATUS_SUCCESS;
ev->props[0].type = HAL_PROP_ADAPTER_ADDR;
ev->props[0].len = sizeof(bdaddr_t);
bdaddr2android(&adapter.bdaddr, ev->props[0].val);
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ADAPTER_PROPS_CHANGED,
sizeof(buf), buf);
return HAL_STATUS_SUCCESS;
}
static uint8_t get_name(void)
{
if (!adapter.name)
return HAL_STATUS_FAILED;
adapter_name_changed((uint8_t *) adapter.name);
return HAL_STATUS_SUCCESS;
}
static uint8_t get_class(void)
{
DBG("");
adapter_class_changed();
return HAL_STATUS_SUCCESS;
}
static uint8_t get_type(void)
{
DBG("Not implemented");
/* TODO: Add implementation */
return HAL_STATUS_FAILED;
}
static uint8_t get_service(void)
{
DBG("Not implemented");
/* TODO: Add implementation */
return HAL_STATUS_FAILED;
}
static uint8_t get_scan_mode(void)
{
DBG("");
scan_mode_changed();
return HAL_STATUS_SUCCESS;
}
static uint8_t get_devices(void)
{
DBG("Not implemented");
/* TODO: Add implementation */
return HAL_STATUS_FAILED;
}
static uint8_t get_discoverable_timeout(void)
{
struct hal_ev_adapter_props_changed *ev;
uint8_t buf[BASELEN_PROP_CHANGED + sizeof(uint32_t)];
memset(buf, 0, sizeof(buf));
ev = (void *) buf;
ev->num_props = 1;
ev->status = HAL_STATUS_SUCCESS;
ev->props[0].type = HAL_PROP_ADAPTER_DISC_TIMEOUT;
ev->props[0].len = sizeof(uint32_t);
memcpy(&ev->props[0].val, &adapter.discoverable_timeout,
sizeof(uint32_t));
ipc_send_notif(HAL_SERVICE_ID_BLUETOOTH, HAL_EV_ADAPTER_PROPS_CHANGED,
sizeof(buf), ev);
return HAL_STATUS_SUCCESS;
}
static void handle_get_adapter_prop_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_get_adapter_prop *cmd = buf;
uint8_t status;
switch (cmd->type) {
case HAL_PROP_ADAPTER_ADDR:
status = get_address();
break;
case HAL_PROP_ADAPTER_NAME:
status = get_name();
break;
case HAL_PROP_ADAPTER_UUIDS:
status = get_uuids();
break;
case HAL_PROP_ADAPTER_CLASS:
status = get_class();
break;
case HAL_PROP_ADAPTER_TYPE:
status = get_type();
break;
case HAL_PROP_ADAPTER_SERVICE_REC:
status = get_service();
break;
case HAL_PROP_ADAPTER_SCAN_MODE:
status = get_scan_mode();
break;
case HAL_PROP_ADAPTER_BONDED_DEVICES:
status = get_devices();
break;
case HAL_PROP_ADAPTER_DISC_TIMEOUT:
status = get_discoverable_timeout();
break;
default:
status = HAL_STATUS_FAILED;
break;
}
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_GET_ADAPTER_PROP, status);
}
static void get_properties(void)
{
get_address();
get_name();
get_uuids();
get_class();
get_type();
get_service();
get_scan_mode();
get_devices();
get_discoverable_timeout();
}
static bool start_discovery(void)
{
struct mgmt_cp_start_discovery cp;
uint8_t type = 1 << BDADDR_BREDR;
if (adapter.current_settings & type)
cp.type = type;
else
cp.type = 0;
DBG("type=0x%x", type);
if (mgmt_send(mgmt_if, MGMT_OP_START_DISCOVERY, adapter.index,
sizeof(cp), &cp, NULL, NULL, NULL) > 0)
return true;
error("Failed to start discovery");
return false;
}
static bool stop_discovery(void)
{
struct mgmt_cp_stop_discovery cp;
uint8_t type = 1 << BDADDR_BREDR;
if (adapter.current_settings & type)
cp.type = type;
else
cp.type = 0;
DBG("type=0x%x", type);
if (mgmt_send(mgmt_if, MGMT_OP_STOP_DISCOVERY, adapter.index,
sizeof(cp), &cp, NULL, NULL, NULL) > 0)
return true;
error("Failed to start discovery");
return false;
}
static uint8_t set_scan_mode(const void *buf, uint16_t len)
{
const uint8_t *mode = buf;
bool conn, disc, cur_conn, cur_disc;
if (len != sizeof(*mode)) {
error("Invalid set scan mode size (%u bytes), terminating",
len);
raise(SIGTERM);
return HAL_STATUS_FAILED;
}
cur_conn = adapter.current_settings & MGMT_SETTING_CONNECTABLE;
cur_disc = adapter.current_settings & MGMT_SETTING_DISCOVERABLE;
DBG("connectable %u discoverable %d mode %u", cur_conn, cur_disc,
*mode);
switch (*mode) {
case HAL_ADAPTER_SCAN_MODE_NONE:
if (!cur_conn && !cur_disc)
goto done;
conn = false;
disc = false;
break;
case HAL_ADAPTER_SCAN_MODE_CONN:
if (cur_conn && !cur_disc)
goto done;
conn = true;
disc = false;
break;
case HAL_ADAPTER_SCAN_MODE_CONN_DISC:
if (cur_conn && cur_disc)
goto done;
conn = true;
disc = true;
break;
default:
return HAL_STATUS_FAILED;
}
if (cur_conn != conn) {
if (!set_mode(MGMT_OP_SET_CONNECTABLE, conn ? 0x01 : 0x00))
return HAL_STATUS_FAILED;
}
if (cur_disc != disc && conn) {
if (!set_discoverable(disc ? 0x01 : 0x00, 0))
return HAL_STATUS_FAILED;
}
return HAL_STATUS_SUCCESS;
done:
/* Android expects property changed callback */
scan_mode_changed();
return HAL_STATUS_DONE;
}
static void handle_set_adapter_prop_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_set_adapter_prop *cmd = buf;
uint8_t status;
if (len != sizeof(*cmd) + cmd->len) {
error("Invalid set adapter prop cmd (0x%x), terminating",
cmd->type);
raise(SIGTERM);
return;
}
switch (cmd->type) {
case HAL_PROP_ADAPTER_SCAN_MODE:
status = set_scan_mode(cmd->val, cmd->len);
break;
case HAL_PROP_ADAPTER_NAME:
status = set_adapter_name(cmd->val, cmd->len);
break;
case HAL_PROP_ADAPTER_DISC_TIMEOUT:
status = set_discoverable_timeout(cmd->val, cmd->len);
break;
default:
DBG("Unhandled property type 0x%x", cmd->type);
status = HAL_STATUS_FAILED;
break;
}
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_SET_ADAPTER_PROP, status);
}
static void pair_device_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_rp_pair_device *rp = param;
DBG("status %u", status);
/* On success bond state change will be send when new link key event
* is received */
if (status == MGMT_STATUS_SUCCESS)
return;
set_device_bond_state(&rp->addr.bdaddr, status_mgmt2hal(status),
HAL_BOND_STATE_NONE);
}
static void handle_create_bond_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_create_bond *cmd = buf;
uint8_t status;
struct mgmt_cp_pair_device cp;
cp.io_cap = DEFAULT_IO_CAPABILITY;
cp.addr.type = BDADDR_BREDR;
android2bdaddr(cmd->bdaddr, &cp.addr.bdaddr);
if (mgmt_send(mgmt_if, MGMT_OP_PAIR_DEVICE, adapter.index, sizeof(cp),
&cp, pair_device_complete, NULL, NULL) == 0) {
status = HAL_STATUS_FAILED;
goto fail;
}
status = HAL_STATUS_SUCCESS;
set_device_bond_state(&cp.addr.bdaddr, HAL_STATUS_SUCCESS,
HAL_BOND_STATE_BONDING);
fail:
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_CREATE_BOND, status);
}
static void handle_cancel_bond_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_cancel_bond *cmd = buf;
struct mgmt_addr_info cp;
uint8_t status;
cp.type = BDADDR_BREDR;
android2bdaddr(cmd->bdaddr, &cp.bdaddr);
if (mgmt_reply(mgmt_if, MGMT_OP_CANCEL_PAIR_DEVICE, adapter.index,
sizeof(cp), &cp, NULL, NULL, NULL) > 0)
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_CANCEL_BOND, status);
}
static void unpair_device_complete(uint8_t status, uint16_t length,
const void *param, void *user_data)
{
const struct mgmt_rp_unpair_device *rp = param;
DBG("status %u", status);
if (status != MGMT_STATUS_SUCCESS)
return;
set_device_bond_state(&rp->addr.bdaddr, HAL_STATUS_SUCCESS,
HAL_BOND_STATE_NONE);
}
static void handle_remove_bond_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_remove_bond *cmd = buf;
struct mgmt_cp_unpair_device cp;
uint8_t status;
cp.disconnect = 1;
cp.addr.type = BDADDR_BREDR;
android2bdaddr(cmd->bdaddr, &cp.addr.bdaddr);
if (mgmt_send(mgmt_if, MGMT_OP_UNPAIR_DEVICE, adapter.index,
sizeof(cp), &cp, unpair_device_complete,
NULL, NULL) > 0)
status = HAL_STATUS_SUCCESS;
else
status = HAL_STATUS_FAILED;
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_REMOVE_BOND, status);
}
static void handle_pin_reply_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_pin_reply *cmd = buf;
uint8_t status;
bdaddr_t bdaddr;
char addr[18];
android2bdaddr(cmd->bdaddr, &bdaddr);
ba2str(&bdaddr, addr);
DBG("%s accept %u pin_len %u", addr, cmd->accept, cmd->pin_len);
if (!cmd->accept && cmd->pin_len) {
status = HAL_STATUS_INVALID;
goto failed;
}
if (cmd->accept) {
struct mgmt_cp_pin_code_reply rp;
memset(&rp, 0, sizeof(rp));
bacpy(&rp.addr.bdaddr, &bdaddr);
rp.addr.type = BDADDR_BREDR;
rp.pin_len = cmd->pin_len;
memcpy(rp.pin_code, cmd->pin_code, rp.pin_len);
if (mgmt_reply(mgmt_if, MGMT_OP_PIN_CODE_REPLY, adapter.index,
sizeof(rp), &rp, NULL, NULL, NULL) == 0) {
status = HAL_STATUS_FAILED;
goto failed;
}
} else {
struct mgmt_cp_pin_code_neg_reply rp;
bacpy(&rp.addr.bdaddr, &bdaddr);
rp.addr.type = BDADDR_BREDR;
if (mgmt_reply(mgmt_if, MGMT_OP_PIN_CODE_NEG_REPLY,
adapter.index, sizeof(rp), &rp,
NULL, NULL, NULL) == 0) {
status = HAL_STATUS_FAILED;
goto failed;
}
}
status = HAL_STATUS_SUCCESS;
failed:
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_PIN_REPLY, status);
}
static uint8_t user_confirm_reply(const bdaddr_t *bdaddr, bool accept)
{
struct mgmt_addr_info cp;
uint16_t opcode;
if (accept)
opcode = MGMT_OP_USER_CONFIRM_REPLY;
else
opcode = MGMT_OP_USER_CONFIRM_NEG_REPLY;
bacpy(&cp.bdaddr, bdaddr);
cp.type = BDADDR_BREDR;
if (mgmt_reply(mgmt_if, opcode, adapter.index, sizeof(cp), &cp,
NULL, NULL, NULL) > 0)
return HAL_STATUS_SUCCESS;
return HAL_STATUS_FAILED;
}
static uint8_t user_passkey_reply(const bdaddr_t *bdaddr, bool accept,
uint32_t passkey)
{
unsigned int id;
if (accept) {
struct mgmt_cp_user_passkey_reply cp;
memset(&cp, 0, sizeof(cp));
bacpy(&cp.addr.bdaddr, bdaddr);
cp.addr.type = BDADDR_BREDR;
cp.passkey = htobl(passkey);
id = mgmt_reply(mgmt_if, MGMT_OP_USER_PASSKEY_REPLY,
adapter.index, sizeof(cp), &cp,
NULL, NULL, NULL);
} else {
struct mgmt_cp_user_passkey_neg_reply cp;
memset(&cp, 0, sizeof(cp));
bacpy(&cp.addr.bdaddr, bdaddr);
cp.addr.type = BDADDR_BREDR;
id = mgmt_reply(mgmt_if, MGMT_OP_USER_PASSKEY_NEG_REPLY,
adapter.index, sizeof(cp), &cp,
NULL, NULL, NULL);
}
if (id == 0)
return HAL_STATUS_FAILED;
return HAL_STATUS_SUCCESS;
}
static void handle_ssp_reply_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_ssp_reply *cmd = buf;
bdaddr_t bdaddr;
uint8_t status;
char addr[18];
/* TODO should parameters sanity be verified here? */
android2bdaddr(cmd->bdaddr, &bdaddr);
ba2str(&bdaddr, addr);
DBG("%s variant %u accept %u", addr, cmd->ssp_variant, cmd->accept);
switch (cmd->ssp_variant) {
case HAL_SSP_VARIANT_CONFIRM:
case HAL_SSP_VARIANT_CONSENT:
status = user_confirm_reply(&bdaddr, cmd->accept);
break;
case HAL_SSP_VARIANT_ENTRY:
status = user_passkey_reply(&bdaddr, cmd->accept,
cmd->passkey);
break;
case HAL_SSP_VARIANT_NOTIF:
status = HAL_STATUS_SUCCESS;
break;
default:
status = HAL_STATUS_INVALID;
break;
}
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_SSP_REPLY, status);
}
static void handle_get_remote_services_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_get_remote_services *cmd = buf;
uint8_t status;
bdaddr_t addr;
android2bdaddr(&cmd->bdaddr, &addr);
status = browse_remote_sdp(&addr);
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_GET_REMOTE_SERVICES,
status);
}
static void handle_enable_cmd(const void *buf, uint16_t len)
{
uint8_t status;
/* Framework expects all properties to be emitted while
* enabling adapter */
get_properties();
if (adapter.current_settings & MGMT_SETTING_POWERED) {
status = HAL_STATUS_DONE;
goto failed;
}
if (!set_mode(MGMT_OP_SET_POWERED, 0x01)) {
status = HAL_STATUS_FAILED;
goto failed;
}
status = HAL_STATUS_SUCCESS;
failed:
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_ENABLE, status);
}
static void handle_disable_cmd(const void *buf, uint16_t len)
{
uint8_t status;
if (!(adapter.current_settings & MGMT_SETTING_POWERED)) {
status = HAL_STATUS_DONE;
goto failed;
}
if (!set_mode(MGMT_OP_SET_POWERED, 0x00)) {
status = HAL_STATUS_FAILED;
goto failed;
}
status = HAL_STATUS_SUCCESS;
failed:
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_DISABLE, status);
}
static void handle_get_adapter_props_cmd(const void *buf, uint16_t len)
{
get_properties();
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_GET_ADAPTER_PROPS,
HAL_STATUS_SUCCESS);
}
static void handle_get_remote_device_props_cmd(const void *buf, uint16_t len)
{
/* TODO */
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_GET_REMOTE_DEVICE_PROPS,
HAL_STATUS_FAILED);
}
static void handle_get_remote_device_prop_cmd(const void *buf, uint16_t len)
{
/* TODO */
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_GET_REMOTE_DEVICE_PROP,
HAL_STATUS_FAILED);
}
static void handle_set_remote_device_prop_cmd(const void *buf, uint16_t len)
{
const struct hal_cmd_set_remote_device_prop *cmd = buf;
uint8_t status;
if (len != sizeof(*cmd) + cmd->len) {
error("Invalid set remote device prop cmd (0x%x), terminating",
cmd->type);
raise(SIGTERM);
return;
}
/* TODO */
switch (cmd->type) {
default:
DBG("Unhandled property type 0x%x", cmd->type);
status = HAL_STATUS_FAILED;
break;
}
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_SET_REMOTE_DEVICE_PROP,
status);
}
static void handle_get_remote_service_rec_cmd(const void *buf, uint16_t len)
{
/* TODO */
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_GET_REMOTE_SERVICE_REC,
HAL_STATUS_FAILED);
}
static void handle_start_discovery_cmd(const void *buf, uint16_t len)
{
uint8_t status;
if (adapter.discovering) {
status = HAL_STATUS_DONE;
goto failed;
}
if (!(adapter.current_settings & MGMT_SETTING_POWERED)) {
status = HAL_STATUS_NOT_READY;
goto failed;
}
if (!start_discovery()) {
status = HAL_STATUS_FAILED;
goto failed;
}
status = HAL_STATUS_SUCCESS;
failed:
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_START_DISCOVERY, status);
}
static void handle_cancel_discovery_cmd(const void *buf, uint16_t len)
{
uint8_t status;
if (!adapter.discovering) {
status = HAL_STATUS_DONE;
goto failed;
}
if (!(adapter.current_settings & MGMT_SETTING_POWERED)) {
status = HAL_STATUS_NOT_READY;
goto failed;
}
if (!stop_discovery()) {
status = HAL_STATUS_FAILED;
goto failed;
}
status = HAL_STATUS_SUCCESS;
failed:
ipc_send_rsp(HAL_SERVICE_ID_BLUETOOTH, HAL_OP_CANCEL_DISCOVERY, status);
}
static const struct ipc_handler cmd_handlers[] = {
/* HAL_OP_ENABLE */
{ handle_enable_cmd, false, 0 },
/* HAL_OP_DISABLE */
{ handle_disable_cmd, false, 0 },
/* HAL_OP_GET_ADAPTER_PROPS */
{ handle_get_adapter_props_cmd, false, 0 },
/* HAL_OP_GET_ADAPTER_PROP */
{ handle_get_adapter_prop_cmd, false,
sizeof(struct hal_cmd_get_adapter_prop) },
/* HAL_OP_SET_ADAPTER_PROP */
{ handle_set_adapter_prop_cmd, true,
sizeof(struct hal_cmd_set_adapter_prop) },
/* HAL_OP_GET_REMOTE_DEVICE_PROPS */
{ handle_get_remote_device_props_cmd, false,
sizeof(struct hal_cmd_get_remote_device_props) },
/* HAL_OP_GET_REMOTE_DEVICE_PROP */
{ handle_get_remote_device_prop_cmd, false,
sizeof(struct hal_cmd_get_remote_device_prop) },
/* HAL_OP_SET_REMOTE_DEVICE_PROP */
{ handle_set_remote_device_prop_cmd, true,
sizeof(struct hal_cmd_set_remote_device_prop) },
/* HAL_OP_GET_REMOTE_SERVICE_REC */
{ handle_get_remote_service_rec_cmd, false,
sizeof(struct hal_cmd_get_remote_service_rec) },
/* HAL_OP_GET_REMOTE_SERVICES */
{ handle_get_remote_services_cmd, false,
sizeof(struct hal_cmd_get_remote_services) },
/* HAL_OP_START_DISCOVERY */
{ handle_start_discovery_cmd, false, 0 },
/* HAL_OP_CANCEL_DISCOVERY */
{ handle_cancel_discovery_cmd, false, 0 },
/* HAL_OP_CREATE_BOND */
{ handle_create_bond_cmd, false, sizeof(struct hal_cmd_create_bond) },
/* HAL_OP_REMOVE_BOND */
{ handle_remove_bond_cmd, false, sizeof(struct hal_cmd_remove_bond) },
/* HAL_OP_CANCEL_BOND */
{handle_cancel_bond_cmd, false, sizeof(struct hal_cmd_cancel_bond) },
/* HAL_OP_PIN_REPLY */
{ handle_pin_reply_cmd, false, sizeof(struct hal_cmd_pin_reply) },
/* HAL_OP_SSP_REPLY */
{ handle_ssp_reply_cmd, false, sizeof(struct hal_cmd_ssp_reply) },
};
void bt_bluetooth_register(void)
{
DBG("");
ipc_register(HAL_SERVICE_ID_BLUETOOTH, cmd_handlers,
G_N_ELEMENTS(cmd_handlers));
}
void bt_bluetooth_unregister(void)
{
DBG("");
ipc_unregister(HAL_SERVICE_ID_CORE);
}