| /* |
| * |
| * BlueZ - Bluetooth protocol stack for Linux |
| * |
| * Copyright (C) 2013-2014 Intel Corporation. All rights reserved. |
| * |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; 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 <unistd.h> |
| #include <inttypes.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| |
| #include <glib.h> |
| |
| #include "lib/bluetooth.h" |
| #include "lib/sdp.h" |
| #include "lib/mgmt.h" |
| #include "lib/uuid.h" |
| #include "src/shared/util.h" |
| #include "src/shared/mgmt.h" |
| #include "src/shared/queue.h" |
| #include "src/eir.h" |
| #include "lib/sdp.h" |
| #include "lib/sdp_lib.h" |
| #include "src/sdp-client.h" |
| #include "src/sdpd.h" |
| #include "src/log.h" |
| #include "hal-msg.h" |
| #include "ipc-common.h" |
| #include "ipc.h" |
| #include "utils.h" |
| #include "bluetooth.h" |
| |
| #define DUT_MODE_FILE "/sys/kernel/debug/bluetooth/hci%u/dut_mode" |
| |
| #define SETTINGS_FILE ANDROID_STORAGEDIR"/settings" |
| #define DEVICES_FILE ANDROID_STORAGEDIR"/devices" |
| #define CACHE_FILE ANDROID_STORAGEDIR"/cache" |
| |
| #define ADAPTER_MAJOR_CLASS 0x02 /* Phone */ |
| #define ADAPTER_MINOR_CLASS 0x03 /* Smartphone */ |
| |
| /* Default to DisplayYesNo */ |
| #define DEFAULT_IO_CAPABILITY 0x01 |
| |
| /* Default discoverable timeout 120sec as in Android */ |
| #define DEFAULT_DISCOVERABLE_TIMEOUT 120 |
| |
| #define DEVICES_CACHE_MAX 300 |
| |
| #define BASELEN_PROP_CHANGED (sizeof(struct hal_ev_adapter_props_changed) \ |
| + sizeof(struct hal_property)) |
| |
| #define BASELEN_REMOTE_DEV_PROP (sizeof(struct hal_ev_remote_device_props) \ |
| + sizeof(struct hal_property)) |
| |
| #define SCAN_TYPE_NONE 0 |
| #define SCAN_TYPE_BREDR (1 << BDADDR_BREDR) |
| #define SCAN_TYPE_LE ((1 << BDADDR_LE_PUBLIC) | (1 << BDADDR_LE_RANDOM)) |
| #define SCAN_TYPE_DUAL (SCAN_TYPE_BREDR | SCAN_TYPE_LE) |
| |
| #define BDADDR_LE (BDADDR_LE_RANDOM | BDADDR_LE_PUBLIC) |
| |
| struct device { |
| bdaddr_t bdaddr; |
| uint8_t bdaddr_type; |
| |
| bdaddr_t rpa; |
| uint8_t rpa_type; |
| |
| bool le; |
| bool bredr; |
| |
| bool pairing; |
| |
| bool bredr_paired; |
| bool bredr_bonded; |
| bool le_paired; |
| bool le_bonded; |
| |
| bool in_white_list; |
| |
| bool connected; |
| |
| char *name; |
| char *friendly_name; |
| |
| uint32_t class; |
| int32_t rssi; |
| |
| time_t bredr_seen; |
| time_t le_seen; |
| |
| GSList *uuids; |
| |
| bool found; /* if device is found in current discovery session */ |
| unsigned int confirm_id; /* mgtm command id if command pending */ |
| |
| bool valid_remote_csrk; |
| bool remote_csrk_auth; |
| uint8_t remote_csrk[16]; |
| uint32_t remote_sign_cnt; |
| |
| bool valid_local_csrk; |
| bool local_csrk_auth; |
| uint8_t local_csrk[16]; |
| uint32_t local_sign_cnt; |
| uint16_t gatt_ccc; |
| }; |
| |
| struct browse_req { |
| bdaddr_t bdaddr; |
| GSList *uuids; |
| int search_uuid; |
| int reconnect_attempt; |
| }; |
| |
| static struct { |
| uint16_t index; |
| |
| bdaddr_t bdaddr; |
| uint32_t dev_class; |
| |
| char *name; |
| |
| uint8_t max_advert_instance; |
| uint8_t rpa_offload_supported; |
| uint8_t max_irk_list_size; |
| uint8_t max_scan_filters_supported; |
| uint16_t scan_result_storage_size; |
| uint8_t activity_energy_info_supported; |
| |
| uint32_t current_settings; |
| uint32_t supported_settings; |
| |
| bool le_scanning; |
| uint8_t cur_discovery_type; |
| uint8_t exp_discovery_type; |
| uint32_t discoverable_timeout; |
| |
| GSList *uuids; |
| } adapter = { |
| .index = MGMT_INDEX_NONE, |
| .dev_class = 0, |
| .name = NULL, |
| .max_advert_instance = 0, |
| .rpa_offload_supported = 0, |
| .max_irk_list_size = 0, |
| .max_scan_filters_supported = 0, |
| .scan_result_storage_size = 0, |
| .activity_energy_info_supported = 0, |
| .current_settings = 0, |
| .supported_settings = 0, |
| .cur_discovery_type = SCAN_TYPE_NONE, |
| .exp_discovery_type = SCAN_TYPE_NONE, |
| .discoverable_timeout = DEFAULT_DISCOVERABLE_TIMEOUT, |
| .uuids = NULL, |
| }; |
| |
| static const uint16_t uuid_list[] = { |
| L2CAP_UUID, |
| PNP_INFO_SVCLASS_ID, |
| PUBLIC_BROWSE_GROUP, |
| 0 |
| }; |
| |
| static uint16_t option_index = MGMT_INDEX_NONE; |
| static struct mgmt *mgmt_if = NULL; |
| |
| static GSList *bonded_devices = NULL; |
| static GSList *cached_devices = NULL; |
| |
| static bt_le_device_found gatt_device_found_cb = NULL; |
| static bt_le_discovery_stopped gatt_discovery_stopped_cb = NULL; |
| |
| /* This list contains addresses which are asked for records */ |
| static GSList *browse_reqs; |
| |
| static struct ipc *hal_ipc = NULL; |
| |
| static bool kernel_conn_control = false; |
| |
| static struct queue *unpaired_cb_list = NULL; |
| static struct queue *paired_cb_list = NULL; |
| |
| static void get_device_android_addr(struct device *dev, uint8_t *addr) |
| { |
| /* |
| * If RPA is set it means that IRK was received and ID address is being |
| * used. Android Framework is still using old RPA and it needs to be |
| * used in notifications. |
| */ |
| if (bacmp(&dev->rpa, BDADDR_ANY)) |
| bdaddr2android(&dev->rpa, addr); |
| else |
| bdaddr2android(&dev->bdaddr, addr); |
| } |
| |
| static void mgmt_debug(const char *str, void *user_data) |
| { |
| const char *prefix = user_data; |
| info("%s%s", prefix, str); |
| } |
| |
| static void store_adapter_config(void) |
| { |
| GKeyFile *key_file; |
| gsize length = 0; |
| char addr[18]; |
| char *data; |
| |
| key_file = g_key_file_new(); |
| |
| g_key_file_load_from_file(key_file, SETTINGS_FILE, 0, NULL); |
| |
| ba2str(&adapter.bdaddr, addr); |
| |
| g_key_file_set_string(key_file, "General", "Address", addr); |
| |
| if (adapter.name) |
| g_key_file_set_string(key_file, "General", "Name", |
| adapter.name); |
| |
| g_key_file_set_integer(key_file, "General", "DiscoverableTimeout", |
| adapter.discoverable_timeout); |
| |
| data = g_key_file_to_data(key_file, &length, NULL); |
| |
| g_file_set_contents(SETTINGS_FILE, data, length, NULL); |
| |
| g_free(data); |
| g_key_file_free(key_file); |
| } |
| |
| static void load_adapter_config(void) |
| { |
| GError *gerr = NULL; |
| GKeyFile *key_file; |
| char *str; |
| |
| key_file = g_key_file_new(); |
| g_key_file_load_from_file(key_file, SETTINGS_FILE, 0, NULL); |
| |
| str = g_key_file_get_string(key_file, "General", "Address", NULL); |
| if (!str) { |
| g_key_file_free(key_file); |
| return; |
| } |
| |
| str2ba(str, &adapter.bdaddr); |
| g_free(str); |
| |
| adapter.name = g_key_file_get_string(key_file, "General", "Name", NULL); |
| |
| adapter.discoverable_timeout = g_key_file_get_integer(key_file, |
| "General", "DiscoverableTimeout", &gerr); |
| if (gerr) { |
| adapter.discoverable_timeout = DEFAULT_DISCOVERABLE_TIMEOUT; |
| g_clear_error(&gerr); |
| } |
| |
| g_key_file_free(key_file); |
| } |
| |
| static void store_device_info(struct device *dev, const char *path) |
| { |
| GKeyFile *key_file; |
| char addr[18]; |
| gsize length = 0; |
| char **uuids = NULL; |
| char *str; |
| |
| ba2str(&dev->bdaddr, addr); |
| |
| key_file = g_key_file_new(); |
| g_key_file_load_from_file(key_file, path, 0, NULL); |
| |
| g_key_file_set_boolean(key_file, addr, "BREDR", dev->bredr); |
| |
| if (dev->le) |
| g_key_file_set_integer(key_file, addr, "AddressType", |
| dev->bdaddr_type); |
| |
| g_key_file_set_string(key_file, addr, "Name", dev->name); |
| |
| if (dev->friendly_name) |
| g_key_file_set_string(key_file, addr, "FriendlyName", |
| dev->friendly_name); |
| else |
| g_key_file_remove_key(key_file, addr, "FriendlyName", NULL); |
| |
| if (dev->class) |
| g_key_file_set_integer(key_file, addr, "Class", dev->class); |
| else |
| g_key_file_remove_key(key_file, addr, "Class", NULL); |
| |
| if (dev->bredr_seen > dev->le_seen) |
| g_key_file_set_integer(key_file, addr, "Timestamp", |
| dev->bredr_seen); |
| else |
| g_key_file_set_integer(key_file, addr, "Timestamp", |
| dev->le_seen); |
| |
| if (dev->uuids) { |
| GSList *l; |
| int i; |
| |
| uuids = g_new0(char *, g_slist_length(dev->uuids) + 1); |
| |
| for (i = 0, l = dev->uuids; l; l = g_slist_next(l), i++) { |
| int j; |
| uint8_t *u = l->data; |
| char *uuid_str = g_malloc0(33); |
| |
| for (j = 0; j < 16; j++) |
| sprintf(uuid_str + (j * 2), "%2.2X", u[j]); |
| |
| uuids[i] = uuid_str; |
| } |
| |
| g_key_file_set_string_list(key_file, addr, "Services", |
| (const char **)uuids, i); |
| } else { |
| g_key_file_remove_key(key_file, addr, "Services", NULL); |
| } |
| |
| str = g_key_file_to_data(key_file, &length, NULL); |
| g_file_set_contents(path, str, length, NULL); |
| g_free(str); |
| |
| g_key_file_free(key_file); |
| g_strfreev(uuids); |
| } |
| |
| static void remove_device_info(struct device *dev, const char *path) |
| { |
| GKeyFile *key_file; |
| gsize length = 0; |
| char addr[18]; |
| char *str; |
| |
| ba2str(&dev->bdaddr, addr); |
| |
| key_file = g_key_file_new(); |
| g_key_file_load_from_file(key_file, path, 0, NULL); |
| |
| g_key_file_remove_group(key_file, addr, NULL); |
| |
| str = g_key_file_to_data(key_file, &length, NULL); |
| g_file_set_contents(path, str, length, NULL); |
| g_free(str); |
| |
| g_key_file_free(key_file); |
| } |
| |
| static int device_match(gconstpointer a, gconstpointer b) |
| { |
| const struct device *dev = a; |
| const bdaddr_t *bdaddr = b; |
| |
| /* Android is using RPA even if IRK was received and ID addr resolved */ |
| if (!bacmp(&dev->rpa, bdaddr)) |
| return 0; |
| |
| return bacmp(&dev->bdaddr, bdaddr); |
| } |
| |
| static struct device *find_device(const bdaddr_t *bdaddr) |
| { |
| GSList *l; |
| |
| l = g_slist_find_custom(bonded_devices, bdaddr, device_match); |
| if (l) |
| return l->data; |
| |
| l = g_slist_find_custom(cached_devices, bdaddr, device_match); |
| if (l) |
| return l->data; |
| |
| return NULL; |
| } |
| |
| static void free_device(struct device *dev) |
| { |
| if (dev->confirm_id) |
| mgmt_cancel(mgmt_if, dev->confirm_id); |
| |
| g_free(dev->name); |
| g_free(dev->friendly_name); |
| g_slist_free_full(dev->uuids, g_free); |
| g_free(dev); |
| } |
| |
| static void cache_device(struct device *new_dev) |
| { |
| struct device *dev; |
| GSList *l; |
| |
| l = g_slist_find(cached_devices, new_dev); |
| if (l) { |
| cached_devices = g_slist_remove(cached_devices, new_dev); |
| goto cache; |
| } |
| |
| if (g_slist_length(cached_devices) < DEVICES_CACHE_MAX) |
| goto cache; |
| |
| l = g_slist_last(cached_devices); |
| dev = l->data; |
| |
| cached_devices = g_slist_remove(cached_devices, dev); |
| remove_device_info(dev, CACHE_FILE); |
| free_device(dev); |
| |
| cache: |
| cached_devices = g_slist_prepend(cached_devices, new_dev); |
| store_device_info(new_dev, CACHE_FILE); |
| } |
| |
| static struct device *create_device(const bdaddr_t *bdaddr, uint8_t bdaddr_type) |
| { |
| struct device *dev; |
| char addr[18]; |
| |
| ba2str(bdaddr, addr); |
| DBG("%s", addr); |
| |
| dev = g_new0(struct device, 1); |
| |
| bacpy(&dev->bdaddr, bdaddr); |
| |
| if (bdaddr_type == BDADDR_BREDR) { |
| dev->bredr = true; |
| dev->bredr_seen = time(NULL); |
| } else { |
| dev->le = true; |
| dev->bdaddr_type = bdaddr_type; |
| dev->le_seen = time(NULL); |
| } |
| |
| /* |
| * Use address for name, will be change if one is present |
| * eg. in EIR or set by set_property. |
| */ |
| dev->name = g_strdup(addr); |
| |
| return dev; |
| } |
| |
| static struct device *get_device(const bdaddr_t *bdaddr, uint8_t type) |
| { |
| struct device *dev; |
| |
| dev = find_device(bdaddr); |
| if (dev) |
| return dev; |
| |
| dev = create_device(bdaddr, type); |
| |
| cache_device(dev); |
| |
| return dev; |
| } |
| |
| static struct device *find_device_android(const uint8_t *addr) |
| { |
| bdaddr_t bdaddr; |
| |
| android2bdaddr(addr, &bdaddr); |
| |
| return find_device(&bdaddr); |
| } |
| |
| static struct device *get_device_android(const uint8_t *addr) |
| { |
| bdaddr_t bdaddr; |
| |
| android2bdaddr(addr, &bdaddr); |
| |
| return get_device(&bdaddr, BDADDR_BREDR); |
| } |
| |
| static void send_adapter_property(uint8_t type, uint16_t len, const void *val) |
| { |
| uint8_t buf[BASELEN_PROP_CHANGED + len]; |
| struct hal_ev_adapter_props_changed *ev = (void *) buf; |
| |
| ev->status = HAL_STATUS_SUCCESS; |
| ev->num_props = 1; |
| ev->props[0].type = type; |
| ev->props[0].len = len; |
| memcpy(ev->props[0].val, val, len); |
| |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, |
| HAL_EV_ADAPTER_PROPS_CHANGED, sizeof(buf), buf); |
| } |
| |
| static void adapter_name_changed(const uint8_t *name) |
| { |
| /* Android expects string value without NULL terminator */ |
| send_adapter_property(HAL_PROP_ADAPTER_NAME, |
| strlen((const char *) name), name); |
| } |
| |
| 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); |
| |
| store_adapter_config(); |
| |
| 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_ipc, 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 mode; |
| |
| mode = settings2scan_mode(); |
| |
| DBG("mode %u", mode); |
| |
| send_adapter_property(HAL_PROP_ADAPTER_SCAN_MODE, sizeof(mode), &mode); |
| } |
| |
| static void adapter_class_changed(void) |
| { |
| send_adapter_property(HAL_PROP_ADAPTER_CLASS, sizeof(adapter.dev_class), |
| &adapter.dev_class); |
| } |
| |
| 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 = 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*/ |
| } |
| |
| void bt_store_gatt_ccc(const bdaddr_t *dst, uint16_t value) |
| { |
| struct device *dev; |
| GKeyFile *key_file; |
| gsize length = 0; |
| char addr[18]; |
| char *data; |
| |
| dev = find_device(dst); |
| if (!dev) |
| return; |
| |
| key_file = g_key_file_new(); |
| |
| if (!g_key_file_load_from_file(key_file, DEVICES_FILE, 0, NULL)) { |
| g_key_file_free(key_file); |
| return; |
| } |
| |
| ba2str(&dev->bdaddr, addr); |
| |
| DBG("%s Gatt CCC %d", addr, value); |
| |
| g_key_file_set_integer(key_file, addr, "GattCCC", value); |
| |
| data = g_key_file_to_data(key_file, &length, NULL); |
| g_file_set_contents(DEVICES_FILE, data, length, NULL); |
| g_free(data); |
| |
| g_key_file_free(key_file); |
| |
| dev->gatt_ccc = value; |
| } |
| |
| uint16_t bt_get_gatt_ccc(const bdaddr_t *addr) |
| { |
| struct device *dev; |
| |
| dev = find_device(addr); |
| if (!dev) |
| return 0; |
| |
| return dev->gatt_ccc; |
| } |
| |
| static void store_link_key(const bdaddr_t *dst, const uint8_t *key, |
| uint8_t type, uint8_t pin_length) |
| { |
| GKeyFile *key_file; |
| char key_str[33]; |
| gsize length = 0; |
| char addr[18]; |
| char *data; |
| int i; |
| |
| key_file = g_key_file_new(); |
| |
| if (!g_key_file_load_from_file(key_file, DEVICES_FILE, 0, NULL)) { |
| g_key_file_free(key_file); |
| return; |
| } |
| |
| ba2str(dst, addr); |
| |
| DBG("%s type %u pin_len %u", addr, type, pin_length); |
| |
| for (i = 0; i < 16; i++) |
| sprintf(key_str + (i * 2), "%2.2X", key[i]); |
| |
| g_key_file_set_string(key_file, addr, "LinkKey", key_str); |
| g_key_file_set_integer(key_file, addr, "LinkKeyType", type); |
| g_key_file_set_integer(key_file, addr, "LinkKeyPinLength", pin_length); |
| |
| data = g_key_file_to_data(key_file, &length, NULL); |
| g_file_set_contents(DEVICES_FILE, data, length, NULL); |
| g_free(data); |
| |
| g_key_file_free(key_file); |
| } |
| |
| static void send_bond_state_change(struct device *dev, uint8_t status, |
| uint8_t state) |
| { |
| struct hal_ev_bond_state_changed ev; |
| |
| ev.status = status; |
| ev.state = state; |
| get_device_android_addr(dev, ev.bdaddr); |
| |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, |
| HAL_EV_BOND_STATE_CHANGED, sizeof(ev), &ev); |
| } |
| |
| static void update_bredr_state(struct device *dev, bool pairing, bool paired, |
| bool bonded) |
| { |
| if (pairing == dev->pairing && paired == dev->bredr_paired && |
| bonded == dev->bredr_bonded) |
| return; |
| |
| /* avoid unpairing device on incoming pairing request */ |
| if (pairing && dev->bredr_paired) |
| goto done; |
| |
| /* avoid unpairing device if pairing failed */ |
| if (!pairing && !paired && dev->pairing && dev->bredr_paired) |
| goto done; |
| |
| if (paired && !dev->le_paired && !dev->bredr_paired) { |
| cached_devices = g_slist_remove(cached_devices, dev); |
| bonded_devices = g_slist_prepend(bonded_devices, dev); |
| remove_device_info(dev, CACHE_FILE); |
| store_device_info(dev, DEVICES_FILE); |
| } else if (!paired && !dev->le_paired) { |
| bonded_devices = g_slist_remove(bonded_devices, dev); |
| remove_device_info(dev, DEVICES_FILE); |
| cache_device(dev); |
| } |
| |
| dev->bredr_paired = paired; |
| |
| if (dev->bredr_paired) |
| dev->bredr_bonded = dev->bredr_bonded || bonded; |
| else |
| dev->bredr_bonded = false; |
| |
| done: |
| dev->pairing = pairing; |
| } |
| |
| static void update_le_state(struct device *dev, bool pairing, bool paired, |
| bool bonded) |
| { |
| if (pairing == dev->pairing && paired == dev->le_paired && |
| bonded == dev->le_bonded) |
| return; |
| |
| /* avoid unpairing device on incoming pairing request */ |
| if (pairing && dev->le_paired) |
| goto done; |
| |
| /* avoid unpairing device if pairing failed */ |
| if (!pairing && !paired && dev->pairing && dev->le_paired) |
| goto done; |
| |
| if (paired && !dev->bredr_paired && !dev->le_paired) { |
| cached_devices = g_slist_remove(cached_devices, dev); |
| bonded_devices = g_slist_prepend(bonded_devices, dev); |
| remove_device_info(dev, CACHE_FILE); |
| store_device_info(dev, DEVICES_FILE); |
| } else if (!paired && !dev->bredr_paired) { |
| bonded_devices = g_slist_remove(bonded_devices, dev); |
| remove_device_info(dev, DEVICES_FILE); |
| dev->valid_local_csrk = false; |
| dev->valid_remote_csrk = false; |
| dev->local_sign_cnt = 0; |
| dev->remote_sign_cnt = 0; |
| memset(dev->local_csrk, 0, sizeof(dev->local_csrk)); |
| memset(dev->remote_csrk, 0, sizeof(dev->remote_csrk)); |
| cache_device(dev); |
| } |
| |
| dev->le_paired = paired; |
| |
| if (dev->le_paired) |
| dev->le_bonded = dev->le_bonded || bonded; |
| else |
| dev->le_bonded = false; |
| |
| done: |
| dev->pairing = pairing; |
| } |
| |
| static uint8_t device_bond_state(struct device *dev) |
| { |
| if (dev->pairing) |
| return HAL_BOND_STATE_BONDING; |
| |
| /* |
| * We are checking for paired here instead of bonded as HAL API is |
| * using BOND state also if there was no bonding pairing. |
| */ |
| if (dev->bredr_paired || dev->le_paired) |
| return HAL_BOND_STATE_BONDED; |
| |
| return HAL_BOND_STATE_NONE; |
| } |
| |
| static void update_bond_state(struct device *dev, uint8_t status, |
| uint8_t old_bond, uint8_t new_bond) |
| { |
| if (old_bond == new_bond) |
| return; |
| |
| /* |
| * When internal bond state changes from bond to non-bond or other way, |
| * BfA needs to send bonding state to Android in the middle. Otherwise |
| * Android will not handle it correctly |
| */ |
| if ((old_bond == HAL_BOND_STATE_NONE && |
| new_bond == HAL_BOND_STATE_BONDED) || |
| (old_bond == HAL_BOND_STATE_BONDED && |
| new_bond == HAL_BOND_STATE_NONE)) |
| send_bond_state_change(dev, HAL_STATUS_SUCCESS, |
| HAL_BOND_STATE_BONDING); |
| |
| send_bond_state_change(dev, status, new_bond); |
| } |
| |
| static void send_paired_notification(void *data, void *user_data) |
| { |
| bt_paired_device_cb cb = data; |
| struct device *dev = user_data; |
| |
| cb(&dev->bdaddr); |
| } |
| |
| static void update_device_state(struct device *dev, uint8_t addr_type, |
| uint8_t status, bool pairing, bool paired, |
| bool bonded) |
| { |
| uint8_t old_bond, new_bond; |
| |
| old_bond = device_bond_state(dev); |
| |
| if (addr_type == BDADDR_BREDR) |
| update_bredr_state(dev, pairing, paired, bonded); |
| else |
| update_le_state(dev, pairing, paired, bonded); |
| |
| new_bond = device_bond_state(dev); |
| |
| update_bond_state(dev, status, old_bond, new_bond); |
| } |
| |
| static void send_device_property(struct device *dev, uint8_t type, |
| uint16_t len, const void *val) |
| { |
| uint8_t buf[BASELEN_REMOTE_DEV_PROP + len]; |
| struct hal_ev_remote_device_props *ev = (void *) buf; |
| |
| ev->status = HAL_STATUS_SUCCESS; |
| get_device_android_addr(dev, ev->bdaddr); |
| ev->num_props = 1; |
| ev->props[0].type = type; |
| ev->props[0].len = len; |
| memcpy(ev->props[0].val, val, len); |
| |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, |
| HAL_EV_REMOTE_DEVICE_PROPS, sizeof(buf), buf); |
| } |
| |
| static void send_device_uuids_notif(struct device *dev) |
| { |
| uint8_t buf[sizeof(uint128_t) * g_slist_length(dev->uuids)]; |
| uint8_t *ptr = buf; |
| GSList *l; |
| |
| for (l = dev->uuids; l; l = g_slist_next(l)) { |
| memcpy(ptr, l->data, sizeof(uint128_t)); |
| ptr += sizeof(uint128_t); |
| } |
| |
| send_device_property(dev, HAL_PROP_DEVICE_UUIDS, sizeof(buf), buf); |
| } |
| |
| static void set_device_uuids(struct device *dev, GSList *uuids) |
| { |
| g_slist_free_full(dev->uuids, g_free); |
| dev->uuids = uuids; |
| |
| if (dev->le_paired || dev->bredr_paired) |
| store_device_info(dev, DEVICES_FILE); |
| else |
| store_device_info(dev, CACHE_FILE); |
| |
| send_device_uuids_notif(dev); |
| } |
| |
| static void browse_req_free(struct browse_req *req) |
| { |
| g_slist_free_full(req->uuids, g_free); |
| g_free(req); |
| } |
| |
| 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; |
| struct device *dev; |
| 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, 0); |
| return; |
| } |
| |
| done: |
| dev = find_device(&req->bdaddr); |
| if (dev) { |
| set_device_uuids(dev, req->uuids); |
| req->uuids = NULL; |
| } |
| |
| 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_SUCCESS; |
| |
| 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) < 0) { |
| browse_req_free(req); |
| return HAL_STATUS_FAILED; |
| } |
| |
| browse_reqs = g_slist_append(browse_reqs, req); |
| |
| return HAL_STATUS_SUCCESS; |
| } |
| |
| static void send_remote_sdp_rec_notify(bt_uuid_t *uuid, int channel, |
| char *name, uint8_t name_len, |
| uint8_t status, bdaddr_t *bdaddr) |
| { |
| struct hal_prop_device_service_rec *prop; |
| uint8_t buf[BASELEN_REMOTE_DEV_PROP + name_len + sizeof(*prop)]; |
| struct hal_ev_remote_device_props *ev = (void *) buf; |
| size_t prop_len = sizeof(*prop) + name_len; |
| |
| memset(buf, 0, sizeof(buf)); |
| |
| if (uuid && status == HAL_STATUS_SUCCESS) { |
| prop = (void *) &ev->props[0].val; |
| prop->name_len = name_len; |
| prop->channel = (uint16_t)channel; |
| memcpy(prop->name, name, name_len); |
| memcpy(prop->uuid, &uuid->value.u128, sizeof(prop->uuid)); |
| } |
| |
| ev->num_props = 1; |
| ev->status = status; |
| ev->props[0].len = prop_len; |
| bdaddr2android(bdaddr, ev->bdaddr); |
| ev->props[0].type = HAL_PROP_DEVICE_SERVICE_REC; |
| |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, |
| HAL_EV_REMOTE_DEVICE_PROPS, |
| sizeof(buf), buf); |
| } |
| |
| static void find_remote_sdp_rec_cb(sdp_list_t *recs, int err, |
| gpointer user_data) |
| { |
| bdaddr_t *addr = user_data; |
| uint8_t name_len; |
| uint8_t status; |
| char name_buf[256]; |
| int channel; |
| bt_uuid_t uuid; |
| uuid_t uuid128_sdp; |
| sdp_list_t *protos; |
| sdp_record_t *sdp_rec; |
| |
| if (err < 0) { |
| error("error while search remote sdp records"); |
| status = HAL_STATUS_FAILED; |
| send_remote_sdp_rec_notify(NULL, 0, NULL, 0, status, addr); |
| goto done; |
| } |
| |
| if (!recs) { |
| info("No service records found on remote"); |
| status = HAL_STATUS_SUCCESS; |
| send_remote_sdp_rec_notify(NULL, 0, NULL, 0, status, addr); |
| goto done; |
| } |
| |
| for ( ; recs; recs = recs->next) { |
| sdp_rec = recs->data; |
| |
| switch (sdp_rec->svclass.type) { |
| case SDP_UUID16: |
| sdp_uuid16_to_uuid128(&uuid128_sdp, |
| &sdp_rec->svclass); |
| break; |
| case SDP_UUID32: |
| sdp_uuid32_to_uuid128(&uuid128_sdp, |
| &sdp_rec->svclass); |
| break; |
| case SDP_UUID128: |
| break; |
| default: |
| error("wrong sdp uuid type"); |
| goto done; |
| } |
| |
| if (!sdp_get_access_protos(sdp_rec, &protos)) { |
| channel = sdp_get_proto_port(protos, RFCOMM_UUID); |
| |
| sdp_list_foreach(protos, |
| (sdp_list_func_t) sdp_list_free, |
| NULL); |
| sdp_list_free(protos, NULL); |
| } else |
| channel = -1; |
| |
| if (channel < 0) { |
| error("can't get channel for sdp record"); |
| channel = 0; |
| } |
| |
| if (!sdp_get_service_name(sdp_rec, name_buf, sizeof(name_buf))) |
| name_len = strlen(name_buf); |
| else |
| name_len = 0; |
| |
| uuid.type = BT_UUID128; |
| memcpy(&uuid.value.u128, uuid128_sdp.value.uuid128.data, |
| sizeof(uuid.value.u128)); |
| status = HAL_STATUS_SUCCESS; |
| |
| send_remote_sdp_rec_notify(&uuid, channel, name_buf, name_len, |
| status, addr); |
| } |
| |
| done: |
| g_free(addr); |
| } |
| |
| static uint8_t find_remote_sdp_rec(const bdaddr_t *addr, |
| const uint8_t *find_uuid) |
| { |
| bdaddr_t *bdaddr; |
| uuid_t uuid; |
| |
| /* from android we always get full 128bit length uuid */ |
| sdp_uuid128_create(&uuid, find_uuid); |
| |
| bdaddr = g_new(bdaddr_t, 1); |
| if (!bdaddr) |
| return HAL_STATUS_NOMEM; |
| |
| memcpy(bdaddr, addr, sizeof(*bdaddr)); |
| |
| if (bt_search_service(&adapter.bdaddr, addr, &uuid, |
| find_remote_sdp_rec_cb, bdaddr, NULL, 0) < 0) { |
| g_free(bdaddr); |
| return HAL_STATUS_FAILED; |
| } |
| |
| 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; |
| struct device *dev; |
| 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; |
| } |
| |
| dev = get_device(&ev->key.addr.bdaddr, ev->key.addr.type); |
| if (!dev) |
| return; |
| |
| update_device_state(dev, ev->key.addr.type, HAL_STATUS_SUCCESS, false, |
| true, !!ev->store_hint); |
| |
| 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); |
| } |
| |
| browse_remote_sdp(&addr->bdaddr); |
| } |
| |
| static uint8_t get_device_name(struct device *dev) |
| { |
| send_device_property(dev, HAL_PROP_DEVICE_NAME, |
| strlen(dev->name), dev->name); |
| |
| return HAL_STATUS_SUCCESS; |
| } |
| |
| 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; |
| struct device *dev; |
| char dst[18]; |
| |
| if (length < sizeof(*ev)) { |
| error("Too small PIN code request event"); |
| return; |
| } |
| |
| ba2str(&ev->addr.bdaddr, dst); |
| |
| dev = get_device(&ev->addr.bdaddr, BDADDR_BREDR); |
| |
| /* |
| * Workaround for Android Bluetooth.apk issue: send remote |
| * device property |
| */ |
| get_device_name(dev); |
| |
| update_device_state(dev, ev->addr.type, HAL_STATUS_SUCCESS, true, |
| false, false); |
| |
| DBG("%s type %u secure %u", dst, ev->addr.type, ev->secure); |
| |
| /* Name already sent in remote device prop */ |
| memset(&hal_ev, 0, sizeof(hal_ev)); |
| get_device_android_addr(dev, hal_ev.bdaddr); |
| hal_ev.class_of_dev = dev->class; |
| |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, HAL_EV_PIN_REQUEST, |
| sizeof(hal_ev), &hal_ev); |
| } |
| |
| static void send_ssp_request(struct device *dev, uint8_t variant, |
| uint32_t passkey) |
| { |
| struct hal_ev_ssp_request ev; |
| |
| memset(&ev, 0, sizeof(ev)); |
| |
| get_device_android_addr(dev, ev.bdaddr); |
| memcpy(ev.name, dev->name, strlen(dev->name)); |
| ev.class_of_dev = dev->class; |
| |
| ev.pairing_variant = variant; |
| ev.passkey = passkey; |
| |
| ipc_send_notif(hal_ipc, 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; |
| struct device *dev; |
| 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); |
| |
| dev = get_device(&ev->addr.bdaddr, ev->addr.type); |
| if (!dev) |
| return; |
| |
| update_device_state(dev, ev->addr.type, HAL_STATUS_SUCCESS, true, |
| false, false); |
| |
| if (ev->confirm_hint) |
| send_ssp_request(dev, HAL_SSP_VARIANT_CONSENT, 0); |
| else |
| send_ssp_request(dev, 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; |
| struct device *dev; |
| char dst[18]; |
| |
| if (length < sizeof(*ev)) { |
| error("Too small passkey request event"); |
| return; |
| } |
| |
| ba2str(&ev->addr.bdaddr, dst); |
| DBG("%s", dst); |
| |
| dev = get_device(&ev->addr.bdaddr, ev->addr.type); |
| if (!dev) |
| return; |
| |
| update_device_state(dev, ev->addr.type, HAL_STATUS_SUCCESS, true, |
| false, false); |
| |
| send_ssp_request(dev, 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; |
| struct device *dev; |
| 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; |
| |
| dev = find_device(&ev->addr.bdaddr); |
| if (!dev) |
| return; |
| |
| update_device_state(dev, ev->addr.type, HAL_STATUS_SUCCESS, true, |
| false, false); |
| |
| send_ssp_request(dev, HAL_SSP_VARIANT_NOTIF, ev->passkey); |
| } |
| |
| static void clear_device_found(gpointer data, gpointer user_data) |
| { |
| struct device *dev = data; |
| |
| dev->found = false; |
| } |
| |
| static uint8_t get_supported_discovery_type(void) |
| { |
| uint8_t type = SCAN_TYPE_NONE; |
| |
| if (adapter.current_settings & MGMT_SETTING_BREDR) |
| type |= SCAN_TYPE_BREDR; |
| |
| if (adapter.current_settings & MGMT_SETTING_LE) |
| type |= SCAN_TYPE_LE; |
| |
| return type; |
| } |
| |
| static bool start_discovery(uint8_t type) |
| { |
| struct mgmt_cp_start_discovery cp; |
| |
| cp.type = get_supported_discovery_type() & type; |
| |
| DBG("type=0x%x", cp.type); |
| |
| if (cp.type == SCAN_TYPE_NONE) |
| return false; |
| |
| 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; |
| } |
| |
| /* |
| * Send discovery state change event only if it is related to dual type |
| * discovery session (triggered by start/cancel discovery commands) |
| */ |
| static void check_discovery_state(uint8_t new_type, uint8_t old_type) |
| { |
| struct hal_ev_discovery_state_changed ev; |
| |
| DBG("%u %u", new_type, old_type); |
| |
| if (new_type == get_supported_discovery_type()) { |
| g_slist_foreach(bonded_devices, clear_device_found, NULL); |
| g_slist_foreach(cached_devices, clear_device_found, NULL); |
| ev.state = HAL_DISCOVERY_STATE_STARTED; |
| goto done; |
| } |
| |
| if (old_type != get_supported_discovery_type()) |
| return; |
| |
| ev.state = HAL_DISCOVERY_STATE_STOPPED; |
| |
| done: |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, |
| HAL_EV_DISCOVERY_STATE_CHANGED, sizeof(ev), &ev); |
| } |
| |
| static void mgmt_discovering_event(uint16_t index, uint16_t length, |
| const void *param, void *user_data) |
| { |
| const struct mgmt_ev_discovering *ev = param; |
| uint8_t type; |
| |
| if (length < sizeof(*ev)) { |
| error("Too small discovering event"); |
| return; |
| } |
| |
| DBG("type %u discovering %u", ev->type, ev->discovering); |
| |
| if (!!adapter.cur_discovery_type == !!ev->discovering) |
| return; |
| |
| type = ev->discovering ? ev->type : SCAN_TYPE_NONE; |
| |
| check_discovery_state(type, adapter.cur_discovery_type); |
| |
| adapter.cur_discovery_type = type; |
| |
| if (ev->discovering) { |
| adapter.exp_discovery_type = adapter.le_scanning ? |
| SCAN_TYPE_LE : SCAN_TYPE_NONE; |
| return; |
| } |
| |
| /* One shot notification about discovery stopped */ |
| if (gatt_discovery_stopped_cb) { |
| gatt_discovery_stopped_cb(); |
| gatt_discovery_stopped_cb = NULL; |
| } |
| |
| type = adapter.exp_discovery_type; |
| adapter.exp_discovery_type = adapter.le_scanning ? SCAN_TYPE_LE : |
| SCAN_TYPE_NONE; |
| |
| if (type != SCAN_TYPE_NONE) |
| start_discovery(type); |
| } |
| |
| static void confirm_device_name_cb(uint8_t status, uint16_t length, |
| const void *param, void *user_data) |
| { |
| const struct mgmt_rp_confirm_name *rp = param; |
| struct device *dev; |
| |
| DBG("Confirm name status: %s (0x%02x)", mgmt_errstr(status), status); |
| |
| if (length < sizeof(*rp)) { |
| error("Wrong size of confirm name response"); |
| return; |
| } |
| |
| dev = find_device(&rp->addr.bdaddr); |
| if (!dev) |
| return; |
| |
| dev->confirm_id = 0; |
| } |
| |
| static unsigned int confirm_device_name(const bdaddr_t *addr, uint8_t addr_type, |
| bool resolve_name) |
| { |
| struct mgmt_cp_confirm_name cp; |
| unsigned int res; |
| |
| memset(&cp, 0, sizeof(cp)); |
| bacpy(&cp.addr.bdaddr, addr); |
| cp.addr.type = addr_type; |
| |
| if (!resolve_name) |
| cp.name_known = 1; |
| |
| res = mgmt_send(mgmt_if, MGMT_OP_CONFIRM_NAME, adapter.index, |
| sizeof(cp), &cp, confirm_device_name_cb, |
| NULL, NULL); |
| if (!res) |
| error("Failed to send confirm name request"); |
| |
| return res; |
| } |
| |
| 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; |
| |
| if (len) |
| memcpy(prop->val, val, len); |
| |
| return sizeof(*prop) + len; |
| } |
| |
| static uint8_t get_device_android_type(struct device *dev) |
| { |
| if (dev->bredr && dev->le) |
| return HAL_TYPE_DUAL; |
| |
| if (dev->le) |
| return HAL_TYPE_LE; |
| |
| return HAL_TYPE_BREDR; |
| } |
| |
| uint8_t bt_get_device_android_type(const bdaddr_t *addr) |
| { |
| struct device *dev; |
| |
| dev = get_device(addr, BDADDR_BREDR); |
| |
| return get_device_android_type(dev); |
| } |
| |
| bool bt_is_device_le(const bdaddr_t *addr) |
| { |
| struct device *dev; |
| |
| dev = find_device(addr); |
| if (!dev) |
| return false; |
| |
| return dev->le; |
| } |
| |
| const bdaddr_t *bt_get_id_addr(const bdaddr_t *addr, uint8_t *type) |
| { |
| struct device *dev; |
| |
| dev = find_device(addr); |
| if (!dev) |
| return NULL; |
| |
| if (type) |
| *type = dev->bdaddr_type; |
| |
| return &dev->bdaddr; |
| } |
| |
| const char *bt_get_adapter_name(void) |
| { |
| return adapter.name; |
| } |
| |
| bool bt_device_is_bonded(const bdaddr_t *bdaddr) |
| { |
| if (g_slist_find_custom(bonded_devices, bdaddr, device_match)) |
| return true; |
| |
| return false; |
| } |
| |
| bool bt_device_set_uuids(const bdaddr_t *addr, GSList *uuids) |
| { |
| struct device *dev; |
| |
| dev = find_device(addr); |
| if (!dev) |
| return false; |
| |
| set_device_uuids(dev, uuids); |
| |
| return true; |
| } |
| |
| bool bt_kernel_conn_control(void) |
| { |
| return kernel_conn_control; |
| } |
| |
| bool bt_auto_connect_add(const bdaddr_t *addr) |
| { |
| struct mgmt_cp_add_device cp; |
| struct device *dev; |
| |
| if (!kernel_conn_control) |
| return false; |
| |
| dev = find_device(addr); |
| if (!dev) |
| return false; |
| |
| if (dev->bdaddr_type == BDADDR_BREDR) { |
| DBG("auto-connection feature is not available for BR/EDR"); |
| return false; |
| } |
| |
| if (dev->in_white_list) { |
| DBG("Device already in white list"); |
| return true; |
| } |
| |
| memset(&cp, 0, sizeof(cp)); |
| bacpy(&cp.addr.bdaddr, addr); |
| cp.addr.type = dev->bdaddr_type; |
| cp.action = 0x02; |
| |
| if (mgmt_send(mgmt_if, MGMT_OP_ADD_DEVICE, adapter.index, sizeof(cp), |
| &cp, NULL, NULL, NULL) > 0) { |
| dev->in_white_list = true; |
| return true; |
| } |
| |
| error("Failed to add device"); |
| |
| return false; |
| } |
| |
| void bt_auto_connect_remove(const bdaddr_t *addr) |
| { |
| struct mgmt_cp_remove_device cp; |
| struct device *dev; |
| |
| if (!kernel_conn_control) |
| return; |
| |
| dev = find_device(addr); |
| if (!dev) |
| return; |
| |
| if (dev->bdaddr_type == BDADDR_BREDR) { |
| DBG("auto-connection feature is not available for BR/EDR"); |
| return; |
| } |
| |
| if (!dev->in_white_list) { |
| DBG("Device already removed from white list"); |
| return; |
| } |
| |
| memset(&cp, 0, sizeof(cp)); |
| bacpy(&cp.addr.bdaddr, addr); |
| cp.addr.type = dev->bdaddr_type; |
| |
| if (mgmt_send(mgmt_if, MGMT_OP_REMOVE_DEVICE, adapter.index, |
| sizeof(cp), &cp, NULL, NULL, NULL) > 0) { |
| dev->in_white_list = false; |
| return; |
| } |
| |
| error("Failed to remove device"); |
| } |
| |
| static bool match_by_value(const void *data, const void *user_data) |
| { |
| return data == user_data; |
| } |
| |
| bool bt_unpaired_register(bt_unpaired_device_cb cb) |
| { |
| if (queue_find(unpaired_cb_list, match_by_value, cb)) |
| return false; |
| |
| return queue_push_head(unpaired_cb_list, cb); |
| } |
| |
| void bt_unpaired_unregister(bt_unpaired_device_cb cb) |
| { |
| queue_remove(unpaired_cb_list, cb); |
| } |
| |
| bool bt_paired_register(bt_paired_device_cb cb) |
| { |
| if (queue_find(paired_cb_list, match_by_value, cb)) |
| return false; |
| |
| return queue_push_head(paired_cb_list, cb); |
| } |
| |
| void bt_paired_unregister(bt_paired_device_cb cb) |
| { |
| queue_remove(paired_cb_list, cb); |
| } |
| |
| bool bt_is_pairing(const bdaddr_t *addr) |
| { |
| struct device *dev; |
| |
| dev = find_device(addr); |
| if (!dev) |
| return false; |
| |
| return dev->pairing; |
| } |
| |
| static bool rssi_above_threshold(int old, int new) |
| { |
| /* only 8 dBm or more */ |
| return abs(old - new) >= 8; |
| } |
| |
| static void update_new_device(struct device *dev, int8_t rssi, |
| const struct eir_data *eir) |
| { |
| uint8_t buf[IPC_MTU]; |
| struct hal_ev_device_found *ev = (void *) buf; |
| uint8_t android_bdaddr[6]; |
| uint8_t android_type; |
| size_t size; |
| |
| memset(buf, 0, sizeof(buf)); |
| |
| if (adapter.cur_discovery_type) |
| dev->found = true; |
| |
| size = sizeof(*ev); |
| |
| get_device_android_addr(dev, android_bdaddr); |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_ADDR, |
| sizeof(android_bdaddr), android_bdaddr); |
| ev->num_props++; |
| |
| android_type = get_device_android_type(dev); |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_TYPE, |
| sizeof(android_type), &android_type); |
| ev->num_props++; |
| |
| if (eir->class) |
| dev->class = eir->class; |
| |
| if (dev->class) { |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_CLASS, |
| sizeof(dev->class), &dev->class); |
| ev->num_props++; |
| } |
| |
| if (rssi && rssi_above_threshold(dev->rssi, rssi)) |
| dev->rssi = rssi; |
| |
| if (dev->rssi) { |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_RSSI, |
| sizeof(dev->rssi), &dev->rssi); |
| ev->num_props++; |
| } |
| |
| if (eir->name && strlen(eir->name)) { |
| g_free(dev->name); |
| dev->name = g_strdup(eir->name); |
| } |
| |
| if (dev->name) { |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_NAME, |
| strlen(dev->name), dev->name); |
| ev->num_props++; |
| |
| /* when updating name also send stored friendly name */ |
| if (dev->friendly_name) { |
| size += fill_hal_prop(buf + size, |
| HAL_PROP_DEVICE_FRIENDLY_NAME, |
| strlen(dev->friendly_name), |
| dev->friendly_name); |
| ev->num_props++; |
| } |
| } |
| |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, HAL_EV_DEVICE_FOUND, |
| size, buf); |
| } |
| |
| static void update_device(struct device *dev, int8_t rssi, |
| const struct eir_data *eir) |
| { |
| uint8_t buf[IPC_MTU]; |
| struct hal_ev_remote_device_props *ev = (void *) buf; |
| uint8_t old_type, new_type; |
| size_t size; |
| |
| memset(buf, 0, sizeof(buf)); |
| |
| size = sizeof(*ev); |
| |
| ev->status = HAL_STATUS_SUCCESS; |
| get_device_android_addr(dev, ev->bdaddr); |
| |
| old_type = get_device_android_type(dev); |
| |
| new_type = get_device_android_type(dev); |
| |
| if (old_type != new_type) { |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_TYPE, |
| sizeof(new_type), &new_type); |
| ev->num_props++; |
| } |
| |
| if (eir->class && dev->class != eir->class) { |
| dev->class = eir->class; |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_CLASS, |
| sizeof(dev->class), &dev->class); |
| ev->num_props++; |
| } |
| |
| if (rssi && rssi_above_threshold(dev->rssi, rssi)) { |
| dev->rssi = rssi; |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_RSSI, |
| sizeof(dev->rssi), &dev->rssi); |
| ev->num_props++; |
| } |
| |
| if (eir->name && strlen(eir->name) && strcmp(dev->name, eir->name)) { |
| g_free(dev->name); |
| dev->name = g_strdup(eir->name); |
| size += fill_hal_prop(buf + size, HAL_PROP_DEVICE_NAME, |
| strlen(dev->name), dev->name); |
| ev->num_props++; |
| |
| /* when updating name also send stored friendly name */ |
| if (dev->friendly_name) { |
| size += fill_hal_prop(buf + size, |
| HAL_PROP_DEVICE_FRIENDLY_NAME, |
| strlen(dev->friendly_name), |
| dev->friendly_name); |
| ev->num_props++; |
| } |
| } |
| |
| if (ev->num_props) |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, |
| HAL_EV_REMOTE_DEVICE_PROPS, size, buf); |
| } |
| |
| static bool is_new_device(const struct device *dev, unsigned int flags, |
| uint8_t bdaddr_type) |
| { |
| if (dev->found) |
| return false; |
| |
| if (dev->bredr_paired || dev->le_paired) |
| return false; |
| |
| if (bdaddr_type != BDADDR_BREDR && |
| !(flags & (EIR_LIM_DISC | EIR_GEN_DISC))) |
| return false; |
| |
| return true; |
| } |
| |
| static void update_found_device(const bdaddr_t *bdaddr, uint8_t bdaddr_type, |
| int8_t rssi, bool confirm, |
| bool connectable, |
| const uint8_t *data, uint8_t data_len) |
| { |
| struct eir_data eir; |
| struct device *dev; |
| |
| memset(&eir, 0, sizeof(eir)); |
| |
| eir_parse(&eir, data, data_len); |
| |
| dev = get_device(bdaddr, bdaddr_type); |
| |
| if (bdaddr_type == BDADDR_BREDR) { |
| dev->bredr = true; |
| dev->bredr_seen = time(NULL); |
| } else { |
| dev->le = true; |
| dev->bdaddr_type = bdaddr_type; |
| dev->le_seen = time(NULL); |
| } |
| |
| /* |
| * Device found event needs to be send also for known device if this is |
| * new discovery session. Otherwise framework will ignore it. |
| */ |
| if (is_new_device(dev, eir.flags, bdaddr_type)) |
| update_new_device(dev, rssi, &eir); |
| else |
| update_device(dev, rssi, &eir); |
| |
| eir_data_free(&eir); |
| |
| /* Notify Gatt if its registered for LE events */ |
| if (bdaddr_type != BDADDR_BREDR && gatt_device_found_cb) { |
| const bdaddr_t *addr; |
| |
| /* |
| * If RPA is set it means that IRK was received and ID address |
| * is being used. Android Framework is still using old RPA and |
| * it needs to be used also in GATT notifications. Also GATT |
| * HAL implementation is using RPA for devices matching. |
| */ |
| if (bacmp(&dev->rpa, BDADDR_ANY)) |
| addr = &dev->rpa; |
| else |
| addr = &dev->bdaddr; |
| |
| gatt_device_found_cb(addr, rssi, data_len, data, connectable, |
| dev->le_bonded); |
| } |
| |
| if (!dev->bredr_paired && !dev->le_paired) |
| cache_device(dev); |
| |
| if (confirm) { |
| char addr[18]; |
| bool resolve_name = true; |
| |
| ba2str(bdaddr, addr); |
| |
| /* |
| * Don't need to confirm name if we have it already in cache |
| * Just check if device name is different than bdaddr |
| */ |
| if (g_strcmp0(dev->name, addr)) { |
| get_device_name(dev); |
| resolve_name = false; |
| } |
| |
| info("Device %s needs name confirmation (resolve_name=%d)", |
| addr, resolve_name); |
| dev->confirm_id = confirm_device_name(bdaddr, bdaddr_type, |
| resolve_name); |
| } |
| } |
| |
| 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; |
| bool connectable; |
| char addr[18]; |
| |
| if (length < sizeof(*ev)) { |
| error("Too short device found event (%u bytes)", length); |
| return; |
| } |
| |
| eir_len = le16_to_cpu(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 = le32_to_cpu(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; |
| connectable = !(flags & MGMT_DEV_FOUND_NOT_CONNECTABLE); |
| |
| update_found_device(&ev->addr.bdaddr, ev->addr.type, ev->rssi, |
| confirm_name, connectable, 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; |
| struct device *dev; |
| char addr[18]; |
| |
| if (length < sizeof(*ev)) { |
| error("Too short device connected event (%u bytes)", length); |
| return; |
| } |
| |
| ba2str(&ev->addr.bdaddr, addr); |
| DBG("%s type %u", addr, ev->addr.type); |
| |
| update_found_device(&ev->addr.bdaddr, ev->addr.type, 0, false, false, |
| &ev->eir[0], le16_to_cpu(ev->eir_len)); |
| |
| hal_ev.status = HAL_STATUS_SUCCESS; |
| hal_ev.state = HAL_ACL_STATE_CONNECTED; |
| |
| dev = find_device(&ev->addr.bdaddr); |
| if (!dev) |
| return; |
| |
| dev->connected = true; |
| |
| get_device_android_addr(dev, hal_ev.bdaddr); |
| |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, |
| HAL_EV_ACL_STATE_CHANGED, sizeof(hal_ev), &hal_ev); |
| } |
| |
| static bool device_is_paired(struct device *dev, uint8_t addr_type) |
| { |
| if (addr_type == BDADDR_BREDR) |
| return dev->bredr_paired; |
| |
| return dev->le_paired; |
| } |
| |
| static bool device_is_bonded(struct device *dev) |
| { |
| return dev->bredr_bonded || dev->le_bonded; |
| } |
| |
| 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; |
| struct device *dev; |
| uint8_t type = ev->addr.type; |
| |
| if (length < sizeof(*ev)) { |
| error("Too short device disconnected event (%u bytes)", length); |
| return; |
| } |
| |
| dev = find_device(&ev->addr.bdaddr); |
| if (!dev) |
| return; |
| |
| hal_ev.status = HAL_STATUS_SUCCESS; |
| hal_ev.state = HAL_ACL_STATE_DISCONNECTED; |
| get_device_android_addr(dev, hal_ev.bdaddr); |
| |
| ipc_send_notif(hal_ipc, HAL_SERVICE_ID_BLUETOOTH, |
| HAL_EV_ACL_STATE_CHANGED, sizeof(hal_ev), &hal_ev); |
| |
| if (device_is_paired(dev, type) && !device_is_bonded(dev)) |
| update_device_state(dev, type, HAL_STATUS_SUCCESS, false, |
| false, false); |
| |
| dev->connected = false; |
| } |
| |
| 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; |
| struct device *dev; |
| |
| if (length < sizeof(*ev)) { |
| error("Too short connect failed event (%u bytes)", length); |
| return; |
| } |
| |
| DBG(""); |
| |
| dev = find_device(&ev->addr.bdaddr); |
| if (!dev) |
| return; |
| |
| /* |
| * 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 |
| */ |
| |
| if (!dev->pairing) |
| return; |
| |
| update_device_state(dev, ev->addr.type, status_mgmt2hal(ev->status), |
| false, false, false); |
| } |
| |
| 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; |
| struct device *dev; |
| |
| if (length < sizeof(*ev)) { |
| error("Too small auth failed mgmt event (%u bytes)", length); |
| return; |
| } |
| |
| DBG(""); |
| |
| dev = find_device(&ev->addr.bdaddr); |
| if (!dev) |
| return; |
| |
| if (!dev->pairing) |
| return; |
| |
| update_device_state(dev, ev->addr.type, status_mgmt2hal(ev->status), |
| false, false, false); |
| } |
| |
| static void mgmt_device_unpaired_event(uint16_t index, uint16_t length, |
| const void *param, void *user_data) |
| { |
| const struct mgmt_ev_device_unpaired *ev = param; |
| struct device *dev; |
| |
| if (length < sizeof(*ev)) { |
| error("Too small device unpaired event (%u bytes)", length); |
| return; |
| } |
| |
| DBG(""); |
| |
| /* TODO should device be disconnected ? */ |
| |
| dev = find_device(&ev->addr.bdaddr); |
| if (!dev) |
| return; |
| |
| update_device_state(dev, ev->addr.type, HAL_STATUS_SUCCESS, false, |
| false, false); |
| |
| /* Unpaired device is removed from the white list */ |
| dev->in_white_list = false; |
| } |
| |
| static void store_ltk(const bdaddr_t *dst, uint8_t bdaddr_type, bool master, |
| const uint8_t *key, uint8_t key_type, uint8_t enc_size, |
| uint16_t ediv, uint64_t rand) |
| { |
| const char *key_s, *keytype_s, *encsize_s, *ediv_s, *rand_s; |
| GKeyFile *key_file; |
| char key_str[33]; |
| gsize length = 0; |
| char addr[18]; |
| char *data; |
| int i; |
| |
| key_file = g_key_file_new(); |
| if (!g_key_file_load_from_file(key_file, DEVICES_FILE, 0, NULL)) { |
| g_key_file_free(key_file); |
| return; |
| } |
| |
| ba2str(dst, addr); |
| |
| key_s = master ? "LongTermKey" : "SlaveLongTermKey"; |
| keytype_s = master ? "LongTermKeyType" : "SlaveLongTermKeyType"; |
| encsize_s = master ? "LongTermKeyEncSize" : "SlaveLongTermKeyEncSize"; |
| ediv_s = master ? "LongTermKeyEDiv" : "SlaveLongTermKeyEDiv"; |
| rand_s = master ? "LongTermKeyRand" : "SlaveLongTermKeyRand"; |
| |
| for (i = 0; i < 16; i++) |
| sprintf(key_str + (i * 2), "%2.2X", key[i]); |
| |
| g_key_file_set_string(key_file, addr, key_s, key_str); |
| |
| g_key_file_set_integer(key_file, addr, keytype_s, key_type); |
| |
| g_key_file_set_integer(key_file, addr, encsize_s, enc_size); |
| |
| g_key_file_set_integer(key_file, addr, ediv_s, ediv); |
| |
| g_key_file_set_uint64(key_file, addr, rand_s, rand); |
| |
| data = g_key_file_to_data(key_file, &length, NULL); |
| g_file_set_contents(DEVICES_FILE, data, length, NULL); |
| g_free(data); |
| |
| g_key_file_free(key_file); |
| } |
| |
| static void new_long_term_key_event(uint16_t index, uint16_t length, |
| const void *param, void *user_data) |
| { |
| const struct mgmt_ev_new_long_term_key *ev = param; |
| struct device *dev; |
| char dst[18]; |
| |
| if (length < sizeof(*ev)) { |
| error("Too small long term key event (%u bytes)", length); |
| return; |
| } |
| |
| ba2str(&ev->key.addr.bdaddr, dst); |
| |
| DBG("new LTK for %s type %u enc_size %u store_hint %u", |
| dst, ev->key.type, ev->key.enc_size, ev->store_hint); |
| |
| dev = find_device(&ev->key.addr.bdaddr); |
| if (!dev) |
| return; |
| |
| update_device_state(dev, ev->key.addr.type, HAL_STATUS_SUCCESS, false, |
| true, !!ev->store_hint); |
| |
| if (ev->store_hint) { |
| const struct mgmt_ltk_info *key = &ev->key; |
| uint16_t ediv; |
| uint64_t rand; |
| |
| ediv = le16_to_cpu(key->ediv); |
| rand = le64_to_cpu(key->rand); |
| |
| store_ltk(&key->addr.bdaddr, key->addr.type, key->master, |
| key->val, key->type, key->enc_size, ediv, rand); |
| } |
| |
| /* TODO browse services here? */ |
| } |
| |
| static void store_csrk(struct device *dev) |
| { |
| GKeyFile *key_file; |
| char key_str[33]; |
| char addr[18]; |
| int i; |
| gsize length = 0; |
| char *data; |
| |
| ba2str(&dev->bdaddr, addr); |
| |
| key_file = g_key_file_new(); |
| if (!g_key_file_load_from_file(key_file, DEVICES_FILE, 0, NULL)) { |
| g_key_file_free(key_file); |
| return; |
| } |
| |
| if (dev->valid_local_csrk) { |
| for (i = 0; i < 16; i++) |
| sprintf(key_str + (i * 2), "%2.2X", |
| dev->local_csrk[i]); |
| |
| g_key_file_set_string(key_file, addr, "LocalCSRK", key_str); |
| |
| g_key_file_set_boolean(key_file, addr, "LocalCSRKAuthenticated", |
| dev->local_csrk_auth); |
| } |
| |
| if (dev->valid_remote_csrk) { |
| for (i = 0; i < 16; i++) |
| sprintf(key_str + (i * 2), "%2.2X", |
| dev->remote_csrk[i]); |
| |
| g_key_file_set_string(key_file, addr, "RemoteCSRK", key_str); |
| |
| g_key_file_set_boolean(key_file, addr, |
| "RemoteCSRKAuthenticated", |
| dev->remote_csrk_auth); |
| } |
| |
| data = g_key_file_to_data(key_file, &length, NULL); |
| g_file_set_contents(DEVICES_FILE, data, length, NULL); |
| g_free(data); |
| |
| g_key_file_free(key_file); |
| } |
| |
| static void new_csrk_callback(uint16_t index, uint16_t length, |
| const void *param, void *user_data) |
| { |
| const struct mgmt_ev_new_csrk *ev = param; |
| struct device *dev; |
| char dst[18]; |
| |
| if (length < sizeof(*ev)) { |
| error("Too small csrk event (%u bytes)", length); |
| return; |
| } |
| |
| ba2str(&ev->key.addr.bdaddr, dst); |
| dev = get_device(&ev->key.addr.bdaddr, ev->key.addr.type); |
| if (!dev) |
| return; |
| |
| switch (ev->key.type) { |
| case 0x00: |
| case 0x02: |
| memcpy(dev->local_csrk, ev->key.val, 16); |
| dev->local_sign_cnt = 0; |
| dev->valid_local_csrk = true; |
| dev->local_csrk_auth = ev->key.type == 0x02; |
| break; |
| case 0x01: |
| case 0x03: |
| memcpy(dev->remote_csrk, ev->key.val, 16); |
| dev->remote_sign_cnt = 0; |
| dev->valid_remote_csrk = true; |
| dev->remote_csrk_auth = ev->key.type == 0x03; |
| break; |
| default: |
| error("Unknown CSRK key type 02%02x", ev->key.type); |
| return; |
| } |
| |
| update_device_state(dev, ev->key.addr.type, HAL_STATUS_SUCCESS, false, |
| true, !!ev->store_hint); |
| |
| if (ev->store_hint) |
| store_csrk(dev); |
| } |
| |
| static void store_irk(struct device *dev, const uint8_t *val) |
| { |
| GKeyFile *key_file; |
| char key_str[33]; |
| char addr[18]; |
| int i; |
| gsize length = 0; |
| char *data; |
| |
| ba2str(&dev->bdaddr, addr); |
| |
| key_file = g_key_file_new(); |
| if (!g_key_file_load_from_file(key_file, DEVICES_FILE, 0, NULL)) { |
| g_key_file_free(key_file); |
| return; |
| } |
| |
| for (i = 0; i < 16; i++) |
| sprintf(key_str + (i * 2), "%2.2X", val[i]); |
| |
| g_key_file_set_string(key_file, addr, "IdentityResolvingKey", key_str); |
| |
| data = g_key_file_to_data(key_file, &length, NULL); |
| g_file_set_contents(DEVICES_FILE, data, length, NULL); |
| g_free(data); |
| |
| g_key_file_free(key_file); |
| } |
| |
| static void new_irk_callback(uint16_t index, uint16_t length, |
| const void *param, void *user_data) |
| { |
| const struct mgmt_ev_new_irk *ev = param; |
| const struct mgmt_addr_info *addr = &ev->key.addr; |
| struct device *dev; |
| char dst[18], rpa[18]; |
| |
| if (length < sizeof(*ev)) { |
| error("To small New Irk Event (%u bytes)", length); |
| return; |
| } |
| |
| ba2str(&ev->key.addr.bdaddr, dst); |
| ba2str(&ev->rpa, rpa); |
| |
| DBG("new IRK for %s, RPA %s", dst, rpa); |
| |
| if (!bacmp(&ev->rpa, BDADDR_ANY)) { |
| dev = get_device(&addr->bdaddr, addr->type); |
| if (!dev) |
| return; |
| } else { |
| dev = find_device(&addr->bdaddr); |
| |
| if (dev && dev->bredr_paired) { |
| bacpy(&dev->rpa, &addr->bdaddr); |
| dev->rpa_type = addr->type; |
| |
| /* TODO merge properties ie. UUIDs */ |
| } else { |
| dev = find_device(&ev->rpa); |
| if (!dev) |
| return; |
| |
| /* don't leave garbage in cache file */ |
| remove_device_info(dev, CACHE_FILE); |
| |
| /* |
| * RPA resolution is transparent for Android Framework |
| * ie. device is still access by RPA so it need to be |
| * keep. After bluetoothd restart device is advertised |
| * to Android with IDA and RPA is not set. |
| */ |
| bacpy(&dev->rpa, &dev->bdaddr); |
| dev->rpa_type = dev->bdaddr_type; |
| |
| bacpy(&dev->bdaddr, &addr->bdaddr); |
| dev->bdaddr_type = addr->type; |
| } |
| } |
| |
| update_device_state(dev, ev->key.addr.type, HAL_STATUS_SUCCESS, false, |
| true, !!ev->store_hint); |
| |
| if (ev->store_hint) |
| store_irk(dev, ev->key.val); |
| } |
| |
| 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); |
| |
| mgmt_register(mgmt_if, MGMT_EV_NEW_LONG_TERM_KEY, adapter.index, |
| new_long_term_key_event, NULL, NULL); |
| |
| mgmt_register(mgmt_if, MGMT_EV_NEW_CSRK, adapter.index, |
| new_csrk_callback, NULL, NULL); |
| |
| mgmt_register(mgmt_if, MGMT_EV_NEW_IRK, adapter.index, new_irk_callback, |
| 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 = cpu_to_le16(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); |
| } |
| } |
| |
| static void load_ltk_complete(uint8_t status, uint16_t length, |
| const void *param, void *user_data) |
| { |
| if (status == MGMT_STATUS_SUCCESS) |
| return; |
| |
| info("Failed to load LTKs: %s (0x%02x)", mgmt_errstr(status), status); |
| } |
| |
| static void load_ltks(GSList *ltks) |
| { |
| struct mgmt_cp_load_long_term_keys *cp; |
| struct mgmt_ltk_info *ltk; |
| size_t ltk_count, cp_size; |
| GSList *l; |
| |
| ltk_count = g_slist_length(ltks); |
| |
| DBG("ltks %zu", ltk_count); |
| |
| cp_size = sizeof(*cp) + (ltk_count * sizeof(*ltk)); |
| |
| 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 = cpu_to_le16(ltk_count); |
| |
| for (l = ltks, ltk = cp->keys; l != NULL; l = g_slist_next(l), ltk++) |
| memcpy(ltk, l->data, sizeof(*ltk)); |
| |
| if (mgmt_send(mgmt_if, MGMT_OP_LOAD_LONG_TERM_KEYS, adapter.index, |
| cp_size, cp, load_ltk_complete, NULL, NULL) == 0) |
| error("Failed to load LTKs"); |
| |
| g_free(cp); |
| } |
| |
| static void load_irk_complete(uint8_t status, uint16_t length, |
| const void *param, void *user_data) |
| { |
| if (status == MGMT_STATUS_SUCCESS) |
| return; |
| |
| info("Failed to load IRKs: %s (0x%02x)", mgmt_errstr(status), status); |
| } |
| |
| static void load_irks(GSList *irks) |
| { |
| struct mgmt_cp_load_irks *cp; |
| struct mgmt_irk_info *irk; |
| size_t irk_count, cp_size; |
| GSList *l; |
| |
| irk_count = g_slist_length(irks); |
| |
| DBG("irks %zu", irk_count); |
| |
| cp_size = sizeof(*cp) + (irk_count * sizeof(*irk)); |
| |
| cp = g_malloc0(cp_size); |
| |
| cp->irk_count = cpu_to_le16(irk_count); |
| |
| for (l = irks, irk = cp->irks; l != NULL; l = g_slist_next(l), irk++) |
| memcpy(irk, irks->data, sizeof(*irk)); |
| |
| if (mgmt_send(mgmt_if, MGMT_OP_LOAD_IRKS, adapter.index, cp_size, cp, |
| load_irk_complete, NULL, NULL) == 0) |
| error("Failed to load IRKs"); |
| |
| g_free(cp); |
| } |
| |
| static uint8_t get_adapter_uuids(void) |
| { |
| struct hal_ev_adapter_props_changed *ev; |
| GSList *list = adapter.uuids; |
| size_t uuid_count = g_slist_length(list); |
| size_t len = uuid_count * sizeof(uint128_t); |
| uint8_t buf[BASELEN_PROP_CHANGED + len]; |
| uint8_t *p; |
| |
| 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)) { |
| uuid_t *uuid = list->data; |
| |
| memcpy(p, &uuid->value.uuid128, sizeof(uint128_t)); |
| |
| p += sizeof(uint128_t); |
| } |
| |
| ipc_send_notif(hal_ipc, 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_adapter_uuids(); |
| } |
| |
| static void remove_uuid(uuid_t *uuid) |
| { |
| uint128_t uint128; |
| struct mgmt_cp_remove_uuid cp; |
| |
| ntoh128((uint128_t *) uuid->value.uuid128.data, &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_adapter_uuids(); |
| } |
| |
| static void add_uuid(uint8_t svc_hint, uuid_t *uuid) |
| { |
| uint128_t uint128; |
| struct mgmt_cp_add_uuid cp; |
| |
| ntoh128((uint128_t *) uuid->value.uuid128.data, &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) |
| { |
| uuid_t *uuid; |
| |
| uuid = sdp_uuid_to_uuid128(&rec->svclass); |
| |
| if (g_slist_find_custom(adapter.uuids, uuid, sdp_uuid_cmp)) { |
| char uuid_str[32]; |
| |
| sdp_uuid2strn(uuid, uuid_str, sizeof(uuid_str)); |
| DBG("UUID %s already added", uuid_str); |
| |
| bt_free(uuid); |
| return -EALREADY; |
| } |
| |
| adapter.uuids = g_slist_prepend(adapter.uuids, 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; |
| |
| rec = sdp_record_find(handle); |
| if (!rec) |
| return; |
| |
| uuid_found = g_slist_find_custom(adapter.uuids, &rec->svclass, |
| sdp_uuid_cmp); |
| if (uuid_found) { |
| uuid_t *uuid = uuid_found->data; |
| |
| remove_uuid(uuid); |
| |
| adapter.uuids = g_slist_remove(adapter.uuids, uuid); |
| |
| free(uuid); |
| } |
| |
| 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; |
| |
| memset(&cp, 0, sizeof(cp)); |
| cp.source = cpu_to_le16(bt_config_get_pnp_source()); |
| cp.vendor = cpu_to_le16(bt_config_get_pnp_vendor()); |
| cp.product = cpu_to_le16(bt_config_get_pnp_product()); |
| cp.version = cpu_to_le16(bt_config_get_pnp_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(bt_config_get_pnp_source(), |
| bt_config_get_pnp_vendor(), |
| bt_config_get_pnp_product(), |
| bt_config_get_pnp_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_adapter_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 |
| */ |
| |
| memcpy(&adapter.discoverable_timeout, timeout, sizeof(uint32_t)); |
| |
| store_adapter_config(); |
| |
| send_adapter_property(HAL_PROP_ADAPTER_DISC_TIMEOUT, |
| sizeof(adapter.discoverable_timeout), |
| &adapter.discoverable_timeout); |
| |
| 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 struct device *create_device_from_info(GKeyFile *key_file, |
| const char *peer) |
| { |
| struct device *dev; |
| uint8_t type; |
| bdaddr_t bdaddr; |
| char **uuids; |
| char *str; |
| |
| /* BREDR if not present */ |
| type = g_key_file_get_integer(key_file, peer, "AddressType", NULL); |
| |
| str2ba(peer, &bdaddr); |
| dev = create_device(&bdaddr, type); |
| |
| if (type != BDADDR_BREDR) |
| dev->bredr = g_key_file_get_boolean(key_file, peer, "BREDR", |
| NULL); |
| |
| str = g_key_file_get_string(key_file, peer, "LocalCSRK", NULL); |
| if (str) { |
| int i; |
| |
| dev->valid_local_csrk = true; |
| for (i = 0; i < 16; i++) |
| sscanf(str + (i * 2), "%02hhX", &dev->local_csrk[i]); |
| |
| g_free(str); |
| |
| dev->local_sign_cnt = g_key_file_get_integer(key_file, peer, |
| "LocalCSRKSignCounter", NULL); |
| |
| dev->local_csrk_auth = g_key_file_get_boolean(key_file, peer, |
| "LocalCSRKAuthenticated", NULL); |
| } |
| |
| str = g_key_file_get_string(key_file, peer, "RemoteCSRK", NULL); |
| if (str) { |
| int i; |
| |
| dev->valid_remote_csrk = true; |
| for (i = 0; i < 16; i++) |
| sscanf(str + (i * 2), "%02hhX", &dev->remote_csrk[i]); |
| |
| g_free(str); |
| |
| dev->remote_sign_cnt = g_key_file_get_integer(key_file, peer, |
| "RemoteCSRKSignCounter", NULL); |
| |
| dev->remote_csrk_auth = g_key_file_get_boolean(key_file, peer, |
| "RemoteCSRKAuthenticated", |
| NULL); |
| } |
| |
| str = g_key_file_get_string(key_file, peer, "GattCCC", NULL); |
| if (str) { |
| dev->gatt_ccc = atoi(str); |
| g_free(str); |
| } |
| |
| str = g_key_file_get_string(key_file, peer, "Name", NULL); |
| if (str) { |
| g_free(dev->name); |
| dev->name = str; |
| } |
| |
| str = g_key_file_get_string(key_file, peer, "FriendlyName", NULL); |
| if (str) { |
| g_free(dev->friendly_name); |
| dev->friendly_name = str; |
| } |
| |
| dev->class = g_key_file_get_integer(key_file, peer, "Class", NULL); |
| |
| if (dev->bredr) |
| dev->bredr_seen = g_key_file_get_integer(key_file, peer, |
| "Timestamp", |
| NULL); |
| else |
| dev->le_seen = g_key_file_get_integer(key_file, peer, |
| "Timestamp", NULL); |
| |
| uuids = g_key_file_get_string_list(key_file, peer, "Services", NULL, |
| NULL); |
| if (uuids) { |
| char **uuid; |
| |
| for (uuid = uuids; *uuid; uuid++) { |
| uint8_t *u = g_malloc0(16); |
| int i; |
| |
| for (i = 0; i < 16; i++) |
| sscanf((*uuid) + (i * 2), "%02hhX", &u[i]); |
| |
| dev->uuids = g_slist_append(dev->uuids, u); |
| } |
| |
| g_strfreev(uuids); |
| } |
| |
| return dev; |
| } |
| |
| static struct mgmt_link_key_info *get_key_info(GKeyFile *key_file, |
| const char *peer) |
| { |
| struct mgmt_link_key_info *info = NULL; |
| char *str; |
| unsigned int i; |
| |
| str = g_key_file_get_string(key_file, peer, "LinkKey", NULL); |
| if (!str || strlen(str) != 32) |
| goto failed; |
| |
| info = g_new0(struct mgmt_link_key_info, 1); |
| |
| str2ba(peer, &info->addr.bdaddr); |
| |
| for (i = 0; i < sizeof(info->val); i++) |
| sscanf(str + (i * 2), "%02hhX", &info->val[i]); |
| |
| info->type = g_key_file_get_integer(key_file, peer, "LinkKeyType", |
| NULL); |
| info->pin_len = g_key_file_get_integer(key_file, peer, |
| "LinkKeyPinLength", NULL); |
| |
| failed: |
| g_free(str); |
| |
| return info; |
| } |
| |
| static struct mgmt_ltk_info *get_ltk_info(GKeyFile *key_file, const char *peer, |
| bool master) |
| { |
| const char *key_s, *keytype_s, *encsize_s, *ediv_s, *rand_s; |
| struct mgmt_ltk_info *info = NULL; |
| char *key; |
| unsigned int i; |
| |
| key_s = master ? "LongTermKey" : "SlaveLongTermKey"; |
| keytype_s = master ? "LongTermKeyType" : "SlaveLongTermKeyType"; |
| encsize_s = master ? "LongTermKeyEncSize" : "SlaveLongTermKeyEncSize"; |
| ediv_s = master ? "LongTermKeyEDiv" : "SlaveLongTermKeyEDiv"; |
| rand_s = master ? "LongTermKeyRand" : "SlaveLongTermKeyRand"; |
| |
| key = g_key_file_get_string(key_file, peer, key_s, NULL); |
| if (!key || strlen(key) != 32) |
| goto failed; |
| |
| info = g_new0(struct mgmt_ltk_info, 1); |
| |
| str2ba(peer, &info->addr.bdaddr |