| /* |
| BlueZ - Bluetooth protocol stack for Linux |
| |
| Copyright (C) 2010 Nokia Corporation |
| Copyright (C) 2011-2012 Intel Corporation |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License version 2 as |
| published by the Free Software Foundation; |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. |
| IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY |
| CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES |
| WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| |
| ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS, |
| COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS |
| SOFTWARE IS DISCLAIMED. |
| */ |
| |
| /* Bluetooth HCI Management interface */ |
| |
| #include <linux/kernel.h> |
| #include <linux/uaccess.h> |
| #include <linux/module.h> |
| #include <asm/unaligned.h> |
| |
| #include <net/bluetooth/bluetooth.h> |
| #include <net/bluetooth/hci_core.h> |
| #include <net/bluetooth/mgmt.h> |
| #include <net/bluetooth/smp.h> |
| |
| bool enable_hs; |
| bool enable_le; |
| |
| #define MGMT_VERSION 1 |
| #define MGMT_REVISION 0 |
| |
| static const u16 mgmt_commands[] = { |
| MGMT_OP_READ_INDEX_LIST, |
| MGMT_OP_READ_INFO, |
| MGMT_OP_SET_POWERED, |
| MGMT_OP_SET_DISCOVERABLE, |
| MGMT_OP_SET_CONNECTABLE, |
| MGMT_OP_SET_FAST_CONNECTABLE, |
| MGMT_OP_SET_PAIRABLE, |
| MGMT_OP_SET_LINK_SECURITY, |
| MGMT_OP_SET_SSP, |
| MGMT_OP_SET_HS, |
| MGMT_OP_SET_LE, |
| MGMT_OP_SET_DEV_CLASS, |
| MGMT_OP_SET_LOCAL_NAME, |
| MGMT_OP_ADD_UUID, |
| MGMT_OP_REMOVE_UUID, |
| MGMT_OP_LOAD_LINK_KEYS, |
| MGMT_OP_LOAD_LONG_TERM_KEYS, |
| MGMT_OP_DISCONNECT, |
| MGMT_OP_GET_CONNECTIONS, |
| MGMT_OP_PIN_CODE_REPLY, |
| MGMT_OP_PIN_CODE_NEG_REPLY, |
| MGMT_OP_SET_IO_CAPABILITY, |
| MGMT_OP_PAIR_DEVICE, |
| MGMT_OP_CANCEL_PAIR_DEVICE, |
| MGMT_OP_UNPAIR_DEVICE, |
| MGMT_OP_USER_CONFIRM_REPLY, |
| MGMT_OP_USER_CONFIRM_NEG_REPLY, |
| MGMT_OP_USER_PASSKEY_REPLY, |
| MGMT_OP_USER_PASSKEY_NEG_REPLY, |
| MGMT_OP_READ_LOCAL_OOB_DATA, |
| MGMT_OP_ADD_REMOTE_OOB_DATA, |
| MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
| MGMT_OP_START_DISCOVERY, |
| MGMT_OP_STOP_DISCOVERY, |
| MGMT_OP_CONFIRM_NAME, |
| MGMT_OP_BLOCK_DEVICE, |
| MGMT_OP_UNBLOCK_DEVICE, |
| MGMT_OP_SET_DEVICE_ID, |
| }; |
| |
| static const u16 mgmt_events[] = { |
| MGMT_EV_CONTROLLER_ERROR, |
| MGMT_EV_INDEX_ADDED, |
| MGMT_EV_INDEX_REMOVED, |
| MGMT_EV_NEW_SETTINGS, |
| MGMT_EV_CLASS_OF_DEV_CHANGED, |
| MGMT_EV_LOCAL_NAME_CHANGED, |
| MGMT_EV_NEW_LINK_KEY, |
| MGMT_EV_NEW_LONG_TERM_KEY, |
| MGMT_EV_DEVICE_CONNECTED, |
| MGMT_EV_DEVICE_DISCONNECTED, |
| MGMT_EV_CONNECT_FAILED, |
| MGMT_EV_PIN_CODE_REQUEST, |
| MGMT_EV_USER_CONFIRM_REQUEST, |
| MGMT_EV_USER_PASSKEY_REQUEST, |
| MGMT_EV_AUTH_FAILED, |
| MGMT_EV_DEVICE_FOUND, |
| MGMT_EV_DISCOVERING, |
| MGMT_EV_DEVICE_BLOCKED, |
| MGMT_EV_DEVICE_UNBLOCKED, |
| MGMT_EV_DEVICE_UNPAIRED, |
| }; |
| |
| /* |
| * These LE scan and inquiry parameters were chosen according to LE General |
| * Discovery Procedure specification. |
| */ |
| #define LE_SCAN_TYPE 0x01 |
| #define LE_SCAN_WIN 0x12 |
| #define LE_SCAN_INT 0x12 |
| #define LE_SCAN_TIMEOUT_LE_ONLY 10240 /* TGAP(gen_disc_scan_min) */ |
| #define LE_SCAN_TIMEOUT_BREDR_LE 5120 /* TGAP(100)/2 */ |
| |
| #define INQUIRY_LEN_BREDR 0x08 /* TGAP(100) */ |
| #define INQUIRY_LEN_BREDR_LE 0x04 /* TGAP(100)/2 */ |
| |
| #define CACHE_TIMEOUT msecs_to_jiffies(2 * 1000) |
| |
| #define hdev_is_powered(hdev) (test_bit(HCI_UP, &hdev->flags) && \ |
| !test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) |
| |
| struct pending_cmd { |
| struct list_head list; |
| u16 opcode; |
| int index; |
| void *param; |
| struct sock *sk; |
| void *user_data; |
| }; |
| |
| /* HCI to MGMT error code conversion table */ |
| static u8 mgmt_status_table[] = { |
| MGMT_STATUS_SUCCESS, |
| MGMT_STATUS_UNKNOWN_COMMAND, /* Unknown Command */ |
| MGMT_STATUS_NOT_CONNECTED, /* No Connection */ |
| MGMT_STATUS_FAILED, /* Hardware Failure */ |
| MGMT_STATUS_CONNECT_FAILED, /* Page Timeout */ |
| MGMT_STATUS_AUTH_FAILED, /* Authentication Failed */ |
| MGMT_STATUS_NOT_PAIRED, /* PIN or Key Missing */ |
| MGMT_STATUS_NO_RESOURCES, /* Memory Full */ |
| MGMT_STATUS_TIMEOUT, /* Connection Timeout */ |
| MGMT_STATUS_NO_RESOURCES, /* Max Number of Connections */ |
| MGMT_STATUS_NO_RESOURCES, /* Max Number of SCO Connections */ |
| MGMT_STATUS_ALREADY_CONNECTED, /* ACL Connection Exists */ |
| MGMT_STATUS_BUSY, /* Command Disallowed */ |
| MGMT_STATUS_NO_RESOURCES, /* Rejected Limited Resources */ |
| MGMT_STATUS_REJECTED, /* Rejected Security */ |
| MGMT_STATUS_REJECTED, /* Rejected Personal */ |
| MGMT_STATUS_TIMEOUT, /* Host Timeout */ |
| MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Feature */ |
| MGMT_STATUS_INVALID_PARAMS, /* Invalid Parameters */ |
| MGMT_STATUS_DISCONNECTED, /* OE User Ended Connection */ |
| MGMT_STATUS_NO_RESOURCES, /* OE Low Resources */ |
| MGMT_STATUS_DISCONNECTED, /* OE Power Off */ |
| MGMT_STATUS_DISCONNECTED, /* Connection Terminated */ |
| MGMT_STATUS_BUSY, /* Repeated Attempts */ |
| MGMT_STATUS_REJECTED, /* Pairing Not Allowed */ |
| MGMT_STATUS_FAILED, /* Unknown LMP PDU */ |
| MGMT_STATUS_NOT_SUPPORTED, /* Unsupported Remote Feature */ |
| MGMT_STATUS_REJECTED, /* SCO Offset Rejected */ |
| MGMT_STATUS_REJECTED, /* SCO Interval Rejected */ |
| MGMT_STATUS_REJECTED, /* Air Mode Rejected */ |
| MGMT_STATUS_INVALID_PARAMS, /* Invalid LMP Parameters */ |
| MGMT_STATUS_FAILED, /* Unspecified Error */ |
| MGMT_STATUS_NOT_SUPPORTED, /* Unsupported LMP Parameter Value */ |
| MGMT_STATUS_FAILED, /* Role Change Not Allowed */ |
| MGMT_STATUS_TIMEOUT, /* LMP Response Timeout */ |
| MGMT_STATUS_FAILED, /* LMP Error Transaction Collision */ |
| MGMT_STATUS_FAILED, /* LMP PDU Not Allowed */ |
| MGMT_STATUS_REJECTED, /* Encryption Mode Not Accepted */ |
| MGMT_STATUS_FAILED, /* Unit Link Key Used */ |
| MGMT_STATUS_NOT_SUPPORTED, /* QoS Not Supported */ |
| MGMT_STATUS_TIMEOUT, /* Instant Passed */ |
| MGMT_STATUS_NOT_SUPPORTED, /* Pairing Not Supported */ |
| MGMT_STATUS_FAILED, /* Transaction Collision */ |
| MGMT_STATUS_INVALID_PARAMS, /* Unacceptable Parameter */ |
| MGMT_STATUS_REJECTED, /* QoS Rejected */ |
| MGMT_STATUS_NOT_SUPPORTED, /* Classification Not Supported */ |
| MGMT_STATUS_REJECTED, /* Insufficient Security */ |
| MGMT_STATUS_INVALID_PARAMS, /* Parameter Out Of Range */ |
| MGMT_STATUS_BUSY, /* Role Switch Pending */ |
| MGMT_STATUS_FAILED, /* Slot Violation */ |
| MGMT_STATUS_FAILED, /* Role Switch Failed */ |
| MGMT_STATUS_INVALID_PARAMS, /* EIR Too Large */ |
| MGMT_STATUS_NOT_SUPPORTED, /* Simple Pairing Not Supported */ |
| MGMT_STATUS_BUSY, /* Host Busy Pairing */ |
| MGMT_STATUS_REJECTED, /* Rejected, No Suitable Channel */ |
| MGMT_STATUS_BUSY, /* Controller Busy */ |
| MGMT_STATUS_INVALID_PARAMS, /* Unsuitable Connection Interval */ |
| MGMT_STATUS_TIMEOUT, /* Directed Advertising Timeout */ |
| MGMT_STATUS_AUTH_FAILED, /* Terminated Due to MIC Failure */ |
| MGMT_STATUS_CONNECT_FAILED, /* Connection Establishment Failed */ |
| MGMT_STATUS_CONNECT_FAILED, /* MAC Connection Failed */ |
| }; |
| |
| static u8 mgmt_status(u8 hci_status) |
| { |
| if (hci_status < ARRAY_SIZE(mgmt_status_table)) |
| return mgmt_status_table[hci_status]; |
| |
| return MGMT_STATUS_FAILED; |
| } |
| |
| static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) |
| { |
| struct sk_buff *skb; |
| struct mgmt_hdr *hdr; |
| struct mgmt_ev_cmd_status *ev; |
| int err; |
| |
| BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); |
| |
| skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC); |
| if (!skb) |
| return -ENOMEM; |
| |
| hdr = (void *) skb_put(skb, sizeof(*hdr)); |
| |
| hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS); |
| hdr->index = cpu_to_le16(index); |
| hdr->len = cpu_to_le16(sizeof(*ev)); |
| |
| ev = (void *) skb_put(skb, sizeof(*ev)); |
| ev->status = status; |
| ev->opcode = cpu_to_le16(cmd); |
| |
| err = sock_queue_rcv_skb(sk, skb); |
| if (err < 0) |
| kfree_skb(skb); |
| |
| return err; |
| } |
| |
| static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, |
| void *rp, size_t rp_len) |
| { |
| struct sk_buff *skb; |
| struct mgmt_hdr *hdr; |
| struct mgmt_ev_cmd_complete *ev; |
| int err; |
| |
| BT_DBG("sock %p", sk); |
| |
| skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC); |
| if (!skb) |
| return -ENOMEM; |
| |
| hdr = (void *) skb_put(skb, sizeof(*hdr)); |
| |
| hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); |
| hdr->index = cpu_to_le16(index); |
| hdr->len = cpu_to_le16(sizeof(*ev) + rp_len); |
| |
| ev = (void *) skb_put(skb, sizeof(*ev) + rp_len); |
| ev->opcode = cpu_to_le16(cmd); |
| ev->status = status; |
| |
| if (rp) |
| memcpy(ev->data, rp, rp_len); |
| |
| err = sock_queue_rcv_skb(sk, skb); |
| if (err < 0) |
| kfree_skb(skb); |
| |
| return err; |
| } |
| |
| static int read_version(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 data_len) |
| { |
| struct mgmt_rp_read_version rp; |
| |
| BT_DBG("sock %p", sk); |
| |
| rp.version = MGMT_VERSION; |
| rp.revision = __constant_cpu_to_le16(MGMT_REVISION); |
| |
| return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, 0, &rp, |
| sizeof(rp)); |
| } |
| |
| static int read_commands(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 data_len) |
| { |
| struct mgmt_rp_read_commands *rp; |
| const u16 num_commands = ARRAY_SIZE(mgmt_commands); |
| const u16 num_events = ARRAY_SIZE(mgmt_events); |
| __le16 *opcode; |
| size_t rp_size; |
| int i, err; |
| |
| BT_DBG("sock %p", sk); |
| |
| rp_size = sizeof(*rp) + ((num_commands + num_events) * sizeof(u16)); |
| |
| rp = kmalloc(rp_size, GFP_KERNEL); |
| if (!rp) |
| return -ENOMEM; |
| |
| rp->num_commands = __constant_cpu_to_le16(num_commands); |
| rp->num_events = __constant_cpu_to_le16(num_events); |
| |
| for (i = 0, opcode = rp->opcodes; i < num_commands; i++, opcode++) |
| put_unaligned_le16(mgmt_commands[i], opcode); |
| |
| for (i = 0; i < num_events; i++, opcode++) |
| put_unaligned_le16(mgmt_events[i], opcode); |
| |
| err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_COMMANDS, 0, rp, |
| rp_size); |
| kfree(rp); |
| |
| return err; |
| } |
| |
| static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 data_len) |
| { |
| struct mgmt_rp_read_index_list *rp; |
| struct list_head *p; |
| struct hci_dev *d; |
| size_t rp_len; |
| u16 count; |
| int i, err; |
| |
| BT_DBG("sock %p", sk); |
| |
| read_lock(&hci_dev_list_lock); |
| |
| count = 0; |
| list_for_each(p, &hci_dev_list) { |
| count++; |
| } |
| |
| rp_len = sizeof(*rp) + (2 * count); |
| rp = kmalloc(rp_len, GFP_ATOMIC); |
| if (!rp) { |
| read_unlock(&hci_dev_list_lock); |
| return -ENOMEM; |
| } |
| |
| rp->num_controllers = cpu_to_le16(count); |
| |
| i = 0; |
| list_for_each_entry(d, &hci_dev_list, list) { |
| if (test_bit(HCI_SETUP, &d->dev_flags)) |
| continue; |
| |
| rp->index[i++] = cpu_to_le16(d->id); |
| BT_DBG("Added hci%u", d->id); |
| } |
| |
| read_unlock(&hci_dev_list_lock); |
| |
| err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp, |
| rp_len); |
| |
| kfree(rp); |
| |
| return err; |
| } |
| |
| static u32 get_supported_settings(struct hci_dev *hdev) |
| { |
| u32 settings = 0; |
| |
| settings |= MGMT_SETTING_POWERED; |
| settings |= MGMT_SETTING_CONNECTABLE; |
| settings |= MGMT_SETTING_FAST_CONNECTABLE; |
| settings |= MGMT_SETTING_DISCOVERABLE; |
| settings |= MGMT_SETTING_PAIRABLE; |
| |
| if (hdev->features[6] & LMP_SIMPLE_PAIR) |
| settings |= MGMT_SETTING_SSP; |
| |
| if (!(hdev->features[4] & LMP_NO_BREDR)) { |
| settings |= MGMT_SETTING_BREDR; |
| settings |= MGMT_SETTING_LINK_SECURITY; |
| } |
| |
| if (enable_hs) |
| settings |= MGMT_SETTING_HS; |
| |
| if (enable_le) { |
| if (hdev->features[4] & LMP_LE) |
| settings |= MGMT_SETTING_LE; |
| } |
| |
| return settings; |
| } |
| |
| static u32 get_current_settings(struct hci_dev *hdev) |
| { |
| u32 settings = 0; |
| |
| if (hdev_is_powered(hdev)) |
| settings |= MGMT_SETTING_POWERED; |
| |
| if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) |
| settings |= MGMT_SETTING_CONNECTABLE; |
| |
| if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) |
| settings |= MGMT_SETTING_DISCOVERABLE; |
| |
| if (test_bit(HCI_PAIRABLE, &hdev->dev_flags)) |
| settings |= MGMT_SETTING_PAIRABLE; |
| |
| if (!(hdev->features[4] & LMP_NO_BREDR)) |
| settings |= MGMT_SETTING_BREDR; |
| |
| if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) |
| settings |= MGMT_SETTING_LE; |
| |
| if (test_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) |
| settings |= MGMT_SETTING_LINK_SECURITY; |
| |
| if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) |
| settings |= MGMT_SETTING_SSP; |
| |
| if (test_bit(HCI_HS_ENABLED, &hdev->dev_flags)) |
| settings |= MGMT_SETTING_HS; |
| |
| return settings; |
| } |
| |
| #define PNP_INFO_SVCLASS_ID 0x1200 |
| |
| static u8 bluetooth_base_uuid[] = { |
| 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, |
| 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| }; |
| |
| static u16 get_uuid16(u8 *uuid128) |
| { |
| u32 val; |
| int i; |
| |
| for (i = 0; i < 12; i++) { |
| if (bluetooth_base_uuid[i] != uuid128[i]) |
| return 0; |
| } |
| |
| memcpy(&val, &uuid128[12], 4); |
| |
| val = le32_to_cpu(val); |
| if (val > 0xffff) |
| return 0; |
| |
| return (u16) val; |
| } |
| |
| static void create_eir(struct hci_dev *hdev, u8 *data) |
| { |
| u8 *ptr = data; |
| u16 eir_len = 0; |
| u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)]; |
| int i, truncated = 0; |
| struct bt_uuid *uuid; |
| size_t name_len; |
| |
| name_len = strlen(hdev->dev_name); |
| |
| if (name_len > 0) { |
| /* EIR Data type */ |
| if (name_len > 48) { |
| name_len = 48; |
| ptr[1] = EIR_NAME_SHORT; |
| } else |
| ptr[1] = EIR_NAME_COMPLETE; |
| |
| /* EIR Data length */ |
| ptr[0] = name_len + 1; |
| |
| memcpy(ptr + 2, hdev->dev_name, name_len); |
| |
| eir_len += (name_len + 2); |
| ptr += (name_len + 2); |
| } |
| |
| if (hdev->inq_tx_power) { |
| ptr[0] = 2; |
| ptr[1] = EIR_TX_POWER; |
| ptr[2] = (u8) hdev->inq_tx_power; |
| |
| eir_len += 3; |
| ptr += 3; |
| } |
| |
| if (hdev->devid_source > 0) { |
| ptr[0] = 9; |
| ptr[1] = EIR_DEVICE_ID; |
| |
| put_unaligned_le16(hdev->devid_source, ptr + 2); |
| put_unaligned_le16(hdev->devid_vendor, ptr + 4); |
| put_unaligned_le16(hdev->devid_product, ptr + 6); |
| put_unaligned_le16(hdev->devid_version, ptr + 8); |
| |
| eir_len += 10; |
| ptr += 10; |
| } |
| |
| memset(uuid16_list, 0, sizeof(uuid16_list)); |
| |
| /* Group all UUID16 types */ |
| list_for_each_entry(uuid, &hdev->uuids, list) { |
| u16 uuid16; |
| |
| uuid16 = get_uuid16(uuid->uuid); |
| if (uuid16 == 0) |
| return; |
| |
| if (uuid16 < 0x1100) |
| continue; |
| |
| if (uuid16 == PNP_INFO_SVCLASS_ID) |
| continue; |
| |
| /* Stop if not enough space to put next UUID */ |
| if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) { |
| truncated = 1; |
| break; |
| } |
| |
| /* Check for duplicates */ |
| for (i = 0; uuid16_list[i] != 0; i++) |
| if (uuid16_list[i] == uuid16) |
| break; |
| |
| if (uuid16_list[i] == 0) { |
| uuid16_list[i] = uuid16; |
| eir_len += sizeof(u16); |
| } |
| } |
| |
| if (uuid16_list[0] != 0) { |
| u8 *length = ptr; |
| |
| /* EIR Data type */ |
| ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL; |
| |
| ptr += 2; |
| eir_len += 2; |
| |
| for (i = 0; uuid16_list[i] != 0; i++) { |
| *ptr++ = (uuid16_list[i] & 0x00ff); |
| *ptr++ = (uuid16_list[i] & 0xff00) >> 8; |
| } |
| |
| /* EIR Data length */ |
| *length = (i * sizeof(u16)) + 1; |
| } |
| } |
| |
| static int update_eir(struct hci_dev *hdev) |
| { |
| struct hci_cp_write_eir cp; |
| |
| if (!hdev_is_powered(hdev)) |
| return 0; |
| |
| if (!(hdev->features[6] & LMP_EXT_INQ)) |
| return 0; |
| |
| if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) |
| return 0; |
| |
| if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) |
| return 0; |
| |
| memset(&cp, 0, sizeof(cp)); |
| |
| create_eir(hdev, cp.data); |
| |
| if (memcmp(cp.data, hdev->eir, sizeof(cp.data)) == 0) |
| return 0; |
| |
| memcpy(hdev->eir, cp.data, sizeof(cp.data)); |
| |
| return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
| } |
| |
| static u8 get_service_classes(struct hci_dev *hdev) |
| { |
| struct bt_uuid *uuid; |
| u8 val = 0; |
| |
| list_for_each_entry(uuid, &hdev->uuids, list) |
| val |= uuid->svc_hint; |
| |
| return val; |
| } |
| |
| static int update_class(struct hci_dev *hdev) |
| { |
| u8 cod[3]; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| if (!hdev_is_powered(hdev)) |
| return 0; |
| |
| if (test_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) |
| return 0; |
| |
| cod[0] = hdev->minor_class; |
| cod[1] = hdev->major_class; |
| cod[2] = get_service_classes(hdev); |
| |
| if (memcmp(cod, hdev->dev_class, 3) == 0) |
| return 0; |
| |
| err = hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod); |
| if (err == 0) |
| set_bit(HCI_PENDING_CLASS, &hdev->dev_flags); |
| |
| return err; |
| } |
| |
| static void service_cache_off(struct work_struct *work) |
| { |
| struct hci_dev *hdev = container_of(work, struct hci_dev, |
| service_cache.work); |
| |
| if (!test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) |
| return; |
| |
| hci_dev_lock(hdev); |
| |
| update_eir(hdev); |
| update_class(hdev); |
| |
| hci_dev_unlock(hdev); |
| } |
| |
| static void mgmt_init_hdev(struct sock *sk, struct hci_dev *hdev) |
| { |
| if (test_and_set_bit(HCI_MGMT, &hdev->dev_flags)) |
| return; |
| |
| INIT_DELAYED_WORK(&hdev->service_cache, service_cache_off); |
| |
| /* Non-mgmt controlled devices get this bit set |
| * implicitly so that pairing works for them, however |
| * for mgmt we require user-space to explicitly enable |
| * it |
| */ |
| clear_bit(HCI_PAIRABLE, &hdev->dev_flags); |
| } |
| |
| static int read_controller_info(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 data_len) |
| { |
| struct mgmt_rp_read_info rp; |
| |
| BT_DBG("sock %p %s", sk, hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| memset(&rp, 0, sizeof(rp)); |
| |
| bacpy(&rp.bdaddr, &hdev->bdaddr); |
| |
| rp.version = hdev->hci_ver; |
| rp.manufacturer = cpu_to_le16(hdev->manufacturer); |
| |
| rp.supported_settings = cpu_to_le32(get_supported_settings(hdev)); |
| rp.current_settings = cpu_to_le32(get_current_settings(hdev)); |
| |
| memcpy(rp.dev_class, hdev->dev_class, 3); |
| |
| memcpy(rp.name, hdev->dev_name, sizeof(hdev->dev_name)); |
| memcpy(rp.short_name, hdev->short_name, sizeof(hdev->short_name)); |
| |
| hci_dev_unlock(hdev); |
| |
| return cmd_complete(sk, hdev->id, MGMT_OP_READ_INFO, 0, &rp, |
| sizeof(rp)); |
| } |
| |
| static void mgmt_pending_free(struct pending_cmd *cmd) |
| { |
| sock_put(cmd->sk); |
| kfree(cmd->param); |
| kfree(cmd); |
| } |
| |
| static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, |
| struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct pending_cmd *cmd; |
| |
| cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC); |
| if (!cmd) |
| return NULL; |
| |
| cmd->opcode = opcode; |
| cmd->index = hdev->id; |
| |
| cmd->param = kmalloc(len, GFP_ATOMIC); |
| if (!cmd->param) { |
| kfree(cmd); |
| return NULL; |
| } |
| |
| if (data) |
| memcpy(cmd->param, data, len); |
| |
| cmd->sk = sk; |
| sock_hold(sk); |
| |
| list_add(&cmd->list, &hdev->mgmt_pending); |
| |
| return cmd; |
| } |
| |
| static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, |
| void (*cb)(struct pending_cmd *cmd, void *data), |
| void *data) |
| { |
| struct list_head *p, *n; |
| |
| list_for_each_safe(p, n, &hdev->mgmt_pending) { |
| struct pending_cmd *cmd; |
| |
| cmd = list_entry(p, struct pending_cmd, list); |
| |
| if (opcode > 0 && cmd->opcode != opcode) |
| continue; |
| |
| cb(cmd, data); |
| } |
| } |
| |
| static struct pending_cmd *mgmt_pending_find(u16 opcode, struct hci_dev *hdev) |
| { |
| struct pending_cmd *cmd; |
| |
| list_for_each_entry(cmd, &hdev->mgmt_pending, list) { |
| if (cmd->opcode == opcode) |
| return cmd; |
| } |
| |
| return NULL; |
| } |
| |
| static void mgmt_pending_remove(struct pending_cmd *cmd) |
| { |
| list_del(&cmd->list); |
| mgmt_pending_free(cmd); |
| } |
| |
| static int send_settings_rsp(struct sock *sk, u16 opcode, struct hci_dev *hdev) |
| { |
| __le32 settings = cpu_to_le32(get_current_settings(hdev)); |
| |
| return cmd_complete(sk, hdev->id, opcode, 0, &settings, |
| sizeof(settings)); |
| } |
| |
| static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_mode *cp = data; |
| struct pending_cmd *cmd; |
| int err; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { |
| cancel_delayed_work(&hdev->power_off); |
| |
| if (cp->val) { |
| err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); |
| mgmt_powered(hdev, 1); |
| goto failed; |
| } |
| } |
| |
| if (!!cp->val == hdev_is_powered(hdev)) { |
| err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); |
| goto failed; |
| } |
| |
| if (mgmt_pending_find(MGMT_OP_SET_POWERED, hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, |
| MGMT_STATUS_BUSY); |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| if (cp->val) |
| schedule_work(&hdev->power_on); |
| else |
| schedule_work(&hdev->power_off.work); |
| |
| err = 0; |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len, |
| struct sock *skip_sk) |
| { |
| struct sk_buff *skb; |
| struct mgmt_hdr *hdr; |
| |
| skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC); |
| if (!skb) |
| return -ENOMEM; |
| |
| hdr = (void *) skb_put(skb, sizeof(*hdr)); |
| hdr->opcode = cpu_to_le16(event); |
| if (hdev) |
| hdr->index = cpu_to_le16(hdev->id); |
| else |
| hdr->index = cpu_to_le16(MGMT_INDEX_NONE); |
| hdr->len = cpu_to_le16(data_len); |
| |
| if (data) |
| memcpy(skb_put(skb, data_len), data, data_len); |
| |
| /* Time stamp */ |
| __net_timestamp(skb); |
| |
| hci_send_to_control(skb, skip_sk); |
| kfree_skb(skb); |
| |
| return 0; |
| } |
| |
| static int new_settings(struct hci_dev *hdev, struct sock *skip) |
| { |
| __le32 ev; |
| |
| ev = cpu_to_le32(get_current_settings(hdev)); |
| |
| return mgmt_event(MGMT_EV_NEW_SETTINGS, hdev, &ev, sizeof(ev), skip); |
| } |
| |
| static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_set_discoverable *cp = data; |
| struct pending_cmd *cmd; |
| u16 timeout; |
| u8 scan; |
| int err; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| timeout = __le16_to_cpu(cp->timeout); |
| if (!cp->val && timeout > 0) |
| return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
| MGMT_STATUS_INVALID_PARAMS); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev) && timeout > 0) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
| MGMT_STATUS_NOT_POWERED); |
| goto failed; |
| } |
| |
| if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
| mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
| MGMT_STATUS_BUSY); |
| goto failed; |
| } |
| |
| if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, |
| MGMT_STATUS_REJECTED); |
| goto failed; |
| } |
| |
| if (!hdev_is_powered(hdev)) { |
| bool changed = false; |
| |
| if (!!cp->val != test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) { |
| change_bit(HCI_DISCOVERABLE, &hdev->dev_flags); |
| changed = true; |
| } |
| |
| err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
| if (err < 0) |
| goto failed; |
| |
| if (changed) |
| err = new_settings(hdev, sk); |
| |
| goto failed; |
| } |
| |
| if (!!cp->val == test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) { |
| if (hdev->discov_timeout > 0) { |
| cancel_delayed_work(&hdev->discov_off); |
| hdev->discov_timeout = 0; |
| } |
| |
| if (cp->val && timeout > 0) { |
| hdev->discov_timeout = timeout; |
| queue_delayed_work(hdev->workqueue, &hdev->discov_off, |
| msecs_to_jiffies(hdev->discov_timeout * 1000)); |
| } |
| |
| err = send_settings_rsp(sk, MGMT_OP_SET_DISCOVERABLE, hdev); |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| scan = SCAN_PAGE; |
| |
| if (cp->val) |
| scan |= SCAN_INQUIRY; |
| else |
| cancel_delayed_work(&hdev->discov_off); |
| |
| err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| if (cp->val) |
| hdev->discov_timeout = timeout; |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_mode *cp = data; |
| struct pending_cmd *cmd; |
| u8 scan; |
| int err; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| bool changed = false; |
| |
| if (!!cp->val != test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) |
| changed = true; |
| |
| if (cp->val) { |
| set_bit(HCI_CONNECTABLE, &hdev->dev_flags); |
| } else { |
| clear_bit(HCI_CONNECTABLE, &hdev->dev_flags); |
| clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags); |
| } |
| |
| err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); |
| if (err < 0) |
| goto failed; |
| |
| if (changed) |
| err = new_settings(hdev, sk); |
| |
| goto failed; |
| } |
| |
| if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, hdev) || |
| mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, |
| MGMT_STATUS_BUSY); |
| goto failed; |
| } |
| |
| if (!!cp->val == test_bit(HCI_PSCAN, &hdev->flags)) { |
| err = send_settings_rsp(sk, MGMT_OP_SET_CONNECTABLE, hdev); |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| if (cp->val) { |
| scan = SCAN_PAGE; |
| } else { |
| scan = 0; |
| |
| if (test_bit(HCI_ISCAN, &hdev->flags) && |
| hdev->discov_timeout > 0) |
| cancel_delayed_work(&hdev->discov_off); |
| } |
| |
| err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_mode *cp = data; |
| int err; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (cp->val) |
| set_bit(HCI_PAIRABLE, &hdev->dev_flags); |
| else |
| clear_bit(HCI_PAIRABLE, &hdev->dev_flags); |
| |
| err = send_settings_rsp(sk, MGMT_OP_SET_PAIRABLE, hdev); |
| if (err < 0) |
| goto failed; |
| |
| err = new_settings(hdev, sk); |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_mode *cp = data; |
| struct pending_cmd *cmd; |
| u8 val; |
| int err; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| bool changed = false; |
| |
| if (!!cp->val != test_bit(HCI_LINK_SECURITY, |
| &hdev->dev_flags)) { |
| change_bit(HCI_LINK_SECURITY, &hdev->dev_flags); |
| changed = true; |
| } |
| |
| err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); |
| if (err < 0) |
| goto failed; |
| |
| if (changed) |
| err = new_settings(hdev, sk); |
| |
| goto failed; |
| } |
| |
| if (mgmt_pending_find(MGMT_OP_SET_LINK_SECURITY, hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, |
| MGMT_STATUS_BUSY); |
| goto failed; |
| } |
| |
| val = !!cp->val; |
| |
| if (test_bit(HCI_AUTH, &hdev->flags) == val) { |
| err = send_settings_rsp(sk, MGMT_OP_SET_LINK_SECURITY, hdev); |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_SET_LINK_SECURITY, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| err = hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, sizeof(val), &val); |
| if (err < 0) { |
| mgmt_pending_remove(cmd); |
| goto failed; |
| } |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
| { |
| struct mgmt_mode *cp = data; |
| struct pending_cmd *cmd; |
| u8 val; |
| int err; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
| MGMT_STATUS_NOT_SUPPORTED); |
| goto failed; |
| } |
| |
| val = !!cp->val; |
| |
| if (!hdev_is_powered(hdev)) { |
| bool changed = false; |
| |
| if (val != test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { |
| change_bit(HCI_SSP_ENABLED, &hdev->dev_flags); |
| changed = true; |
| } |
| |
| err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); |
| if (err < 0) |
| goto failed; |
| |
| if (changed) |
| err = new_settings(hdev, sk); |
| |
| goto failed; |
| } |
| |
| if (mgmt_pending_find(MGMT_OP_SET_SSP, hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, |
| MGMT_STATUS_BUSY); |
| goto failed; |
| } |
| |
| if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) == val) { |
| err = send_settings_rsp(sk, MGMT_OP_SET_SSP, hdev); |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_SET_SSP, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| err = hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, sizeof(val), &val); |
| if (err < 0) { |
| mgmt_pending_remove(cmd); |
| goto failed; |
| } |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
| { |
| struct mgmt_mode *cp = data; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| if (!enable_hs) |
| return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, |
| MGMT_STATUS_NOT_SUPPORTED); |
| |
| if (cp->val) |
| set_bit(HCI_HS_ENABLED, &hdev->dev_flags); |
| else |
| clear_bit(HCI_HS_ENABLED, &hdev->dev_flags); |
| |
| return send_settings_rsp(sk, MGMT_OP_SET_HS, hdev); |
| } |
| |
| static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
| { |
| struct mgmt_mode *cp = data; |
| struct hci_cp_write_le_host_supported hci_cp; |
| struct pending_cmd *cmd; |
| int err; |
| u8 val, enabled; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!enable_le || !(hdev->features[4] & LMP_LE)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
| MGMT_STATUS_NOT_SUPPORTED); |
| goto unlock; |
| } |
| |
| val = !!cp->val; |
| enabled = !!(hdev->host_features[0] & LMP_HOST_LE); |
| |
| if (!hdev_is_powered(hdev) || val == enabled) { |
| bool changed = false; |
| |
| if (val != test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { |
| change_bit(HCI_LE_ENABLED, &hdev->dev_flags); |
| changed = true; |
| } |
| |
| err = send_settings_rsp(sk, MGMT_OP_SET_LE, hdev); |
| if (err < 0) |
| goto unlock; |
| |
| if (changed) |
| err = new_settings(hdev, sk); |
| |
| goto unlock; |
| } |
| |
| if (mgmt_pending_find(MGMT_OP_SET_LE, hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE, |
| MGMT_STATUS_BUSY); |
| goto unlock; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_SET_LE, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto unlock; |
| } |
| |
| memset(&hci_cp, 0, sizeof(hci_cp)); |
| |
| if (val) { |
| hci_cp.le = val; |
| hci_cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR); |
| } |
| |
| err = hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), |
| &hci_cp); |
| if (err < 0) { |
| mgmt_pending_remove(cmd); |
| goto unlock; |
| } |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) |
| { |
| struct mgmt_cp_add_uuid *cp = data; |
| struct pending_cmd *cmd; |
| struct bt_uuid *uuid; |
| int err; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_ADD_UUID, |
| MGMT_STATUS_BUSY); |
| goto failed; |
| } |
| |
| uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC); |
| if (!uuid) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| memcpy(uuid->uuid, cp->uuid, 16); |
| uuid->svc_hint = cp->svc_hint; |
| |
| list_add(&uuid->list, &hdev->uuids); |
| |
| err = update_class(hdev); |
| if (err < 0) |
| goto failed; |
| |
| err = update_eir(hdev); |
| if (err < 0) |
| goto failed; |
| |
| if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_UUID, 0, |
| hdev->dev_class, 3); |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_ADD_UUID, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static bool enable_service_cache(struct hci_dev *hdev) |
| { |
| if (!hdev_is_powered(hdev)) |
| return false; |
| |
| if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { |
| schedule_delayed_work(&hdev->service_cache, CACHE_TIMEOUT); |
| return true; |
| } |
| |
| return false; |
| } |
| |
| static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_remove_uuid *cp = data; |
| struct pending_cmd *cmd; |
| struct list_head *p, *n; |
| u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; |
| int err, found; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
| MGMT_STATUS_BUSY); |
| goto unlock; |
| } |
| |
| if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) { |
| err = hci_uuids_clear(hdev); |
| |
| if (enable_service_cache(hdev)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
| 0, hdev->dev_class, 3); |
| goto unlock; |
| } |
| |
| goto update_class; |
| } |
| |
| found = 0; |
| |
| list_for_each_safe(p, n, &hdev->uuids) { |
| struct bt_uuid *match = list_entry(p, struct bt_uuid, list); |
| |
| if (memcmp(match->uuid, cp->uuid, 16) != 0) |
| continue; |
| |
| list_del(&match->list); |
| found++; |
| } |
| |
| if (found == 0) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_REMOVE_UUID, |
| MGMT_STATUS_INVALID_PARAMS); |
| goto unlock; |
| } |
| |
| update_class: |
| err = update_class(hdev); |
| if (err < 0) |
| goto unlock; |
| |
| err = update_eir(hdev); |
| if (err < 0) |
| goto unlock; |
| |
| if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_UUID, 0, |
| hdev->dev_class, 3); |
| goto unlock; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_REMOVE_UUID, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto unlock; |
| } |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_set_dev_class *cp = data; |
| struct pending_cmd *cmd; |
| int err; |
| |
| BT_DBG("request for %s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, |
| MGMT_STATUS_BUSY); |
| goto unlock; |
| } |
| |
| hdev->major_class = cp->major; |
| hdev->minor_class = cp->minor; |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
| hdev->dev_class, 3); |
| goto unlock; |
| } |
| |
| if (test_and_clear_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { |
| hci_dev_unlock(hdev); |
| cancel_delayed_work_sync(&hdev->service_cache); |
| hci_dev_lock(hdev); |
| update_eir(hdev); |
| } |
| |
| err = update_class(hdev); |
| if (err < 0) |
| goto unlock; |
| |
| if (!test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, 0, |
| hdev->dev_class, 3); |
| goto unlock; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_SET_DEV_CLASS, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto unlock; |
| } |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_load_link_keys *cp = data; |
| u16 key_count, expected_len; |
| int i; |
| |
| key_count = __le16_to_cpu(cp->key_count); |
| |
| expected_len = sizeof(*cp) + key_count * |
| sizeof(struct mgmt_link_key_info); |
| if (expected_len != len) { |
| BT_ERR("load_link_keys: expected %u bytes, got %u bytes", |
| len, expected_len); |
| return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, |
| MGMT_STATUS_INVALID_PARAMS); |
| } |
| |
| BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys, |
| key_count); |
| |
| hci_dev_lock(hdev); |
| |
| hci_link_keys_clear(hdev); |
| |
| set_bit(HCI_LINK_KEYS, &hdev->dev_flags); |
| |
| if (cp->debug_keys) |
| set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags); |
| else |
| clear_bit(HCI_DEBUG_KEYS, &hdev->dev_flags); |
| |
| for (i = 0; i < key_count; i++) { |
| struct mgmt_link_key_info *key = &cp->keys[i]; |
| |
| hci_add_link_key(hdev, NULL, 0, &key->addr.bdaddr, key->val, |
| key->type, key->pin_len); |
| } |
| |
| cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, 0, NULL, 0); |
| |
| hci_dev_unlock(hdev); |
| |
| return 0; |
| } |
| |
| static int device_unpaired(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 addr_type, struct sock *skip_sk) |
| { |
| struct mgmt_ev_device_unpaired ev; |
| |
| bacpy(&ev.addr.bdaddr, bdaddr); |
| ev.addr.type = addr_type; |
| |
| return mgmt_event(MGMT_EV_DEVICE_UNPAIRED, hdev, &ev, sizeof(ev), |
| skip_sk); |
| } |
| |
| static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_unpair_device *cp = data; |
| struct mgmt_rp_unpair_device rp; |
| struct hci_cp_disconnect dc; |
| struct pending_cmd *cmd; |
| struct hci_conn *conn; |
| int err; |
| |
| hci_dev_lock(hdev); |
| |
| memset(&rp, 0, sizeof(rp)); |
| bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
| rp.addr.type = cp->addr.type; |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
| MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); |
| goto unlock; |
| } |
| |
| if (cp->addr.type == MGMT_ADDR_BREDR) |
| err = hci_remove_link_key(hdev, &cp->addr.bdaddr); |
| else |
| err = hci_remove_ltk(hdev, &cp->addr.bdaddr); |
| |
| if (err < 0) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, |
| MGMT_STATUS_NOT_PAIRED, &rp, sizeof(rp)); |
| goto unlock; |
| } |
| |
| if (cp->disconnect) { |
| if (cp->addr.type == MGMT_ADDR_BREDR) |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, |
| &cp->addr.bdaddr); |
| else |
| conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, |
| &cp->addr.bdaddr); |
| } else { |
| conn = NULL; |
| } |
| |
| if (!conn) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, 0, |
| &rp, sizeof(rp)); |
| device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, sk); |
| goto unlock; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_UNPAIR_DEVICE, hdev, cp, |
| sizeof(*cp)); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto unlock; |
| } |
| |
| dc.handle = cpu_to_le16(conn->handle); |
| dc.reason = 0x13; /* Remote User Terminated Connection */ |
| err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_disconnect *cp = data; |
| struct hci_cp_disconnect dc; |
| struct pending_cmd *cmd; |
| struct hci_conn *conn; |
| int err; |
| |
| BT_DBG(""); |
| |
| hci_dev_lock(hdev); |
| |
| if (!test_bit(HCI_UP, &hdev->flags)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT, |
| MGMT_STATUS_NOT_POWERED); |
| goto failed; |
| } |
| |
| if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT, |
| MGMT_STATUS_BUSY); |
| goto failed; |
| } |
| |
| if (cp->addr.type == MGMT_ADDR_BREDR) |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr); |
| else |
| conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); |
| |
| if (!conn) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT, |
| MGMT_STATUS_NOT_CONNECTED); |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| dc.handle = cpu_to_le16(conn->handle); |
| dc.reason = 0x13; /* Remote User Terminated Connection */ |
| |
| err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static u8 link_to_mgmt(u8 link_type, u8 addr_type) |
| { |
| switch (link_type) { |
| case LE_LINK: |
| switch (addr_type) { |
| case ADDR_LE_DEV_PUBLIC: |
| return MGMT_ADDR_LE_PUBLIC; |
| case ADDR_LE_DEV_RANDOM: |
| return MGMT_ADDR_LE_RANDOM; |
| default: |
| return MGMT_ADDR_INVALID; |
| } |
| case ACL_LINK: |
| return MGMT_ADDR_BREDR; |
| default: |
| return MGMT_ADDR_INVALID; |
| } |
| } |
| |
| static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 data_len) |
| { |
| struct mgmt_rp_get_connections *rp; |
| struct hci_conn *c; |
| size_t rp_len; |
| int err; |
| u16 i; |
| |
| BT_DBG(""); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, |
| MGMT_STATUS_NOT_POWERED); |
| goto unlock; |
| } |
| |
| i = 0; |
| list_for_each_entry(c, &hdev->conn_hash.list, list) { |
| if (test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) |
| i++; |
| } |
| |
| rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); |
| rp = kmalloc(rp_len, GFP_ATOMIC); |
| if (!rp) { |
| err = -ENOMEM; |
| goto unlock; |
| } |
| |
| i = 0; |
| list_for_each_entry(c, &hdev->conn_hash.list, list) { |
| if (!test_bit(HCI_CONN_MGMT_CONNECTED, &c->flags)) |
| continue; |
| bacpy(&rp->addr[i].bdaddr, &c->dst); |
| rp->addr[i].type = link_to_mgmt(c->type, c->dst_type); |
| if (rp->addr[i].type == MGMT_ADDR_INVALID) |
| continue; |
| i++; |
| } |
| |
| rp->conn_count = cpu_to_le16(i); |
| |
| /* Recalculate length in case of filtered SCO connections, etc */ |
| rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_GET_CONNECTIONS, 0, rp, |
| rp_len); |
| |
| kfree(rp); |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int send_pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
| struct mgmt_cp_pin_code_neg_reply *cp) |
| { |
| struct pending_cmd *cmd; |
| int err; |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, hdev, cp, |
| sizeof(*cp)); |
| if (!cmd) |
| return -ENOMEM; |
| |
| err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, |
| sizeof(cp->addr.bdaddr), &cp->addr.bdaddr); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| return err; |
| } |
| |
| static int pin_code_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct hci_conn *conn; |
| struct mgmt_cp_pin_code_reply *cp = data; |
| struct hci_cp_pin_code_reply reply; |
| struct pending_cmd *cmd; |
| int err; |
| |
| BT_DBG(""); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
| MGMT_STATUS_NOT_POWERED); |
| goto failed; |
| } |
| |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->addr.bdaddr); |
| if (!conn) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
| MGMT_STATUS_NOT_CONNECTED); |
| goto failed; |
| } |
| |
| if (conn->pending_sec_level == BT_SECURITY_HIGH && cp->pin_len != 16) { |
| struct mgmt_cp_pin_code_neg_reply ncp; |
| |
| memcpy(&ncp.addr, &cp->addr, sizeof(ncp.addr)); |
| |
| BT_ERR("PIN code is not 16 bytes long"); |
| |
| err = send_pin_code_neg_reply(sk, hdev, &ncp); |
| if (err >= 0) |
| err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
| MGMT_STATUS_INVALID_PARAMS); |
| |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| bacpy(&reply.bdaddr, &cp->addr.bdaddr); |
| reply.pin_len = cp->pin_len; |
| memcpy(reply.pin_code, cp->pin_code, sizeof(reply.pin_code)); |
| |
| err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 len) |
| { |
| struct mgmt_cp_pin_code_neg_reply *cp = data; |
| int err; |
| |
| BT_DBG(""); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, |
| MGMT_STATUS_NOT_POWERED); |
| goto failed; |
| } |
| |
| err = send_pin_code_neg_reply(sk, hdev, cp); |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_set_io_capability *cp = data; |
| |
| BT_DBG(""); |
| |
| hci_dev_lock(hdev); |
| |
| hdev->io_capability = cp->io_capability; |
| |
| BT_DBG("%s IO capability set to 0x%02x", hdev->name, |
| hdev->io_capability); |
| |
| hci_dev_unlock(hdev); |
| |
| return cmd_complete(sk, hdev->id, MGMT_OP_SET_IO_CAPABILITY, 0, NULL, |
| 0); |
| } |
| |
| static inline struct pending_cmd *find_pairing(struct hci_conn *conn) |
| { |
| struct hci_dev *hdev = conn->hdev; |
| struct pending_cmd *cmd; |
| |
| list_for_each_entry(cmd, &hdev->mgmt_pending, list) { |
| if (cmd->opcode != MGMT_OP_PAIR_DEVICE) |
| continue; |
| |
| if (cmd->user_data != conn) |
| continue; |
| |
| return cmd; |
| } |
| |
| return NULL; |
| } |
| |
| static void pairing_complete(struct pending_cmd *cmd, u8 status) |
| { |
| struct mgmt_rp_pair_device rp; |
| struct hci_conn *conn = cmd->user_data; |
| |
| bacpy(&rp.addr.bdaddr, &conn->dst); |
| rp.addr.type = link_to_mgmt(conn->type, conn->dst_type); |
| |
| cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, status, |
| &rp, sizeof(rp)); |
| |
| /* So we don't get further callbacks for this connection */ |
| conn->connect_cfm_cb = NULL; |
| conn->security_cfm_cb = NULL; |
| conn->disconn_cfm_cb = NULL; |
| |
| hci_conn_put(conn); |
| |
| mgmt_pending_remove(cmd); |
| } |
| |
| static void pairing_complete_cb(struct hci_conn *conn, u8 status) |
| { |
| struct pending_cmd *cmd; |
| |
| BT_DBG("status %u", status); |
| |
| cmd = find_pairing(conn); |
| if (!cmd) |
| BT_DBG("Unable to find a pending command"); |
| else |
| pairing_complete(cmd, mgmt_status(status)); |
| } |
| |
| static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_pair_device *cp = data; |
| struct mgmt_rp_pair_device rp; |
| struct pending_cmd *cmd; |
| u8 sec_level, auth_type; |
| struct hci_conn *conn; |
| int err; |
| |
| BT_DBG(""); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
| MGMT_STATUS_NOT_POWERED); |
| goto unlock; |
| } |
| |
| sec_level = BT_SECURITY_MEDIUM; |
| if (cp->io_cap == 0x03) |
| auth_type = HCI_AT_DEDICATED_BONDING; |
| else |
| auth_type = HCI_AT_DEDICATED_BONDING_MITM; |
| |
| if (cp->addr.type == MGMT_ADDR_BREDR) |
| conn = hci_connect(hdev, ACL_LINK, &cp->addr.bdaddr, sec_level, |
| auth_type); |
| else |
| conn = hci_connect(hdev, LE_LINK, &cp->addr.bdaddr, sec_level, |
| auth_type); |
| |
| memset(&rp, 0, sizeof(rp)); |
| bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
| rp.addr.type = cp->addr.type; |
| |
| if (IS_ERR(conn)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
| MGMT_STATUS_CONNECT_FAILED, &rp, |
| sizeof(rp)); |
| goto unlock; |
| } |
| |
| if (conn->connect_cfm_cb) { |
| hci_conn_put(conn); |
| err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, |
| MGMT_STATUS_BUSY, &rp, sizeof(rp)); |
| goto unlock; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| hci_conn_put(conn); |
| goto unlock; |
| } |
| |
| /* For LE, just connecting isn't a proof that the pairing finished */ |
| if (cp->addr.type == MGMT_ADDR_BREDR) |
| conn->connect_cfm_cb = pairing_complete_cb; |
| |
| conn->security_cfm_cb = pairing_complete_cb; |
| conn->disconn_cfm_cb = pairing_complete_cb; |
| conn->io_capability = cp->io_cap; |
| cmd->user_data = conn; |
| |
| if (conn->state == BT_CONNECTED && |
| hci_conn_security(conn, sec_level, auth_type)) |
| pairing_complete(cmd, 0); |
| |
| err = 0; |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int cancel_pair_device(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_addr_info *addr = data; |
| struct pending_cmd *cmd; |
| struct hci_conn *conn; |
| int err; |
| |
| BT_DBG(""); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
| MGMT_STATUS_NOT_POWERED); |
| goto unlock; |
| } |
| |
| cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev); |
| if (!cmd) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
| MGMT_STATUS_INVALID_PARAMS); |
| goto unlock; |
| } |
| |
| conn = cmd->user_data; |
| |
| if (bacmp(&addr->bdaddr, &conn->dst) != 0) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, |
| MGMT_STATUS_INVALID_PARAMS); |
| goto unlock; |
| } |
| |
| pairing_complete(cmd, MGMT_STATUS_CANCELLED); |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_CANCEL_PAIR_DEVICE, 0, |
| addr, sizeof(*addr)); |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int user_pairing_resp(struct sock *sk, struct hci_dev *hdev, |
| bdaddr_t *bdaddr, u8 type, u16 mgmt_op, |
| u16 hci_op, __le32 passkey) |
| { |
| struct pending_cmd *cmd; |
| struct hci_conn *conn; |
| int err; |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_status(sk, hdev->id, mgmt_op, |
| MGMT_STATUS_NOT_POWERED); |
| goto done; |
| } |
| |
| if (type == MGMT_ADDR_BREDR) |
| conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, bdaddr); |
| else |
| conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, bdaddr); |
| |
| if (!conn) { |
| err = cmd_status(sk, hdev->id, mgmt_op, |
| MGMT_STATUS_NOT_CONNECTED); |
| goto done; |
| } |
| |
| if (type == MGMT_ADDR_LE_PUBLIC || type == MGMT_ADDR_LE_RANDOM) { |
| /* Continue with pairing via SMP */ |
| err = smp_user_confirm_reply(conn, mgmt_op, passkey); |
| |
| if (!err) |
| err = cmd_status(sk, hdev->id, mgmt_op, |
| MGMT_STATUS_SUCCESS); |
| else |
| err = cmd_status(sk, hdev->id, mgmt_op, |
| MGMT_STATUS_FAILED); |
| |
| goto done; |
| } |
| |
| cmd = mgmt_pending_add(sk, mgmt_op, hdev, bdaddr, sizeof(*bdaddr)); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto done; |
| } |
| |
| /* Continue with pairing via HCI */ |
| if (hci_op == HCI_OP_USER_PASSKEY_REPLY) { |
| struct hci_cp_user_passkey_reply cp; |
| |
| bacpy(&cp.bdaddr, bdaddr); |
| cp.passkey = passkey; |
| err = hci_send_cmd(hdev, hci_op, sizeof(cp), &cp); |
| } else |
| err = hci_send_cmd(hdev, hci_op, sizeof(*bdaddr), bdaddr); |
| |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| done: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_user_confirm_reply *cp = data; |
| |
| BT_DBG(""); |
| |
| if (len != sizeof(*cp)) |
| return cmd_status(sk, hdev->id, MGMT_OP_USER_CONFIRM_REPLY, |
| MGMT_STATUS_INVALID_PARAMS); |
| |
| return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, |
| MGMT_OP_USER_CONFIRM_REPLY, |
| HCI_OP_USER_CONFIRM_REPLY, 0); |
| } |
| |
| static int user_confirm_neg_reply(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 len) |
| { |
| struct mgmt_cp_user_confirm_neg_reply *cp = data; |
| |
| BT_DBG(""); |
| |
| return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, |
| MGMT_OP_USER_CONFIRM_NEG_REPLY, |
| HCI_OP_USER_CONFIRM_NEG_REPLY, 0); |
| } |
| |
| static int user_passkey_reply(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_user_passkey_reply *cp = data; |
| |
| BT_DBG(""); |
| |
| return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, |
| MGMT_OP_USER_PASSKEY_REPLY, |
| HCI_OP_USER_PASSKEY_REPLY, cp->passkey); |
| } |
| |
| static int user_passkey_neg_reply(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 len) |
| { |
| struct mgmt_cp_user_passkey_neg_reply *cp = data; |
| |
| BT_DBG(""); |
| |
| return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, |
| MGMT_OP_USER_PASSKEY_NEG_REPLY, |
| HCI_OP_USER_PASSKEY_NEG_REPLY, 0); |
| } |
| |
| static int update_name(struct hci_dev *hdev, const char *name) |
| { |
| struct hci_cp_write_local_name cp; |
| |
| memcpy(cp.name, name, sizeof(cp.name)); |
| |
| return hci_send_cmd(hdev, HCI_OP_WRITE_LOCAL_NAME, sizeof(cp), &cp); |
| } |
| |
| static int set_local_name(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_set_local_name *cp = data; |
| struct pending_cmd *cmd; |
| int err; |
| |
| BT_DBG(""); |
| |
| hci_dev_lock(hdev); |
| |
| memcpy(hdev->short_name, cp->short_name, sizeof(hdev->short_name)); |
| |
| if (!hdev_is_powered(hdev)) { |
| memcpy(hdev->dev_name, cp->name, sizeof(hdev->dev_name)); |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, |
| data, len); |
| if (err < 0) |
| goto failed; |
| |
| err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, data, len, |
| sk); |
| |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_SET_LOCAL_NAME, hdev, data, len); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| err = update_name(hdev, cp->name); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 data_len) |
| { |
| struct pending_cmd *cmd; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
| MGMT_STATUS_NOT_POWERED); |
| goto unlock; |
| } |
| |
| if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
| MGMT_STATUS_NOT_SUPPORTED); |
| goto unlock; |
| } |
| |
| if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
| MGMT_STATUS_BUSY); |
| goto unlock; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, hdev, NULL, 0); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto unlock; |
| } |
| |
| err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 len) |
| { |
| struct mgmt_cp_add_remote_oob_data *cp = data; |
| u8 status; |
| int err; |
| |
| BT_DBG("%s ", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, |
| MGMT_STATUS_NOT_POWERED, &cp->addr, |
| sizeof(cp->addr)); |
| goto unlock; |
| } |
| |
| err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, cp->hash, |
| cp->randomizer); |
| if (err < 0) |
| status = MGMT_STATUS_FAILED; |
| else |
| status = 0; |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, status, |
| &cp->addr, sizeof(cp->addr)); |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 len) |
| { |
| struct mgmt_cp_remove_remote_oob_data *cp = data; |
| u8 status; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_complete(sk, hdev->id, |
| MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
| MGMT_STATUS_NOT_POWERED, &cp->addr, |
| sizeof(cp->addr)); |
| goto unlock; |
| } |
| |
| err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr); |
| if (err < 0) |
| status = MGMT_STATUS_INVALID_PARAMS; |
| else |
| status = 0; |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, |
| status, &cp->addr, sizeof(cp->addr)); |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| int mgmt_interleaved_discovery(struct hci_dev *hdev) |
| { |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR_LE); |
| if (err < 0) |
| hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
| |
| hci_dev_unlock(hdev); |
| |
| return err; |
| } |
| |
| static int start_discovery(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 len) |
| { |
| struct mgmt_cp_start_discovery *cp = data; |
| struct pending_cmd *cmd; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hdev_is_powered(hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
| MGMT_STATUS_NOT_POWERED); |
| goto failed; |
| } |
| |
| if (hdev->discovery.state != DISCOVERY_STOPPED) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, |
| MGMT_STATUS_BUSY); |
| goto failed; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, hdev, NULL, 0); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto failed; |
| } |
| |
| hdev->discovery.type = cp->type; |
| |
| switch (hdev->discovery.type) { |
| case DISCOV_TYPE_BREDR: |
| if (lmp_bredr_capable(hdev)) |
| err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR); |
| else |
| err = -ENOTSUPP; |
| break; |
| |
| case DISCOV_TYPE_LE: |
| if (lmp_host_le_capable(hdev)) |
| err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT, |
| LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY); |
| else |
| err = -ENOTSUPP; |
| break; |
| |
| case DISCOV_TYPE_INTERLEAVED: |
| if (lmp_host_le_capable(hdev) && lmp_bredr_capable(hdev)) |
| err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT, |
| LE_SCAN_WIN, |
| LE_SCAN_TIMEOUT_BREDR_LE); |
| else |
| err = -ENOTSUPP; |
| break; |
| |
| default: |
| err = -EINVAL; |
| } |
| |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| else |
| hci_discovery_set_state(hdev, DISCOVERY_STARTING); |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int stop_discovery(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_stop_discovery *mgmt_cp = data; |
| struct pending_cmd *cmd; |
| struct hci_cp_remote_name_req_cancel cp; |
| struct inquiry_entry *e; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hci_discovery_active(hdev)) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
| MGMT_STATUS_REJECTED, &mgmt_cp->type, |
| sizeof(mgmt_cp->type)); |
| goto unlock; |
| } |
| |
| if (hdev->discovery.type != mgmt_cp->type) { |
| err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, |
| MGMT_STATUS_INVALID_PARAMS, &mgmt_cp->type, |
| sizeof(mgmt_cp->type)); |
| goto unlock; |
| } |
| |
| cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, hdev, NULL, 0); |
| if (!cmd) { |
| err = -ENOMEM; |
| goto unlock; |
| } |
| |
| if (hdev->discovery.state == DISCOVERY_FINDING) { |
| if (test_bit(HCI_INQUIRY, &hdev->flags)) |
| err = hci_cancel_inquiry(hdev); |
| else |
| err = hci_cancel_le_scan(hdev); |
| |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| else |
| hci_discovery_set_state(hdev, DISCOVERY_STOPPING); |
| goto unlock; |
| } |
| |
| e = hci_inquiry_cache_lookup_resolve(hdev, BDADDR_ANY, NAME_PENDING); |
| if (!e) { |
| mgmt_pending_remove(cmd); |
| err = cmd_complete(sk, hdev->id, MGMT_OP_STOP_DISCOVERY, 0, |
| &mgmt_cp->type, sizeof(mgmt_cp->type)); |
| hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
| goto unlock; |
| } |
| |
| bacpy(&cp.bdaddr, &e->data.bdaddr); |
| err = hci_send_cmd(hdev, HCI_OP_REMOTE_NAME_REQ_CANCEL, sizeof(cp), |
| &cp); |
| if (err < 0) |
| mgmt_pending_remove(cmd); |
| else |
| hci_discovery_set_state(hdev, DISCOVERY_STOPPING); |
| |
| unlock: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_confirm_name *cp = data; |
| struct inquiry_entry *e; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| if (!hci_discovery_active(hdev)) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
| MGMT_STATUS_FAILED); |
| goto failed; |
| } |
| |
| e = hci_inquiry_cache_lookup_unknown(hdev, &cp->addr.bdaddr); |
| if (!e) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_CONFIRM_NAME, |
| MGMT_STATUS_INVALID_PARAMS); |
| goto failed; |
| } |
| |
| if (cp->name_known) { |
| e->name_state = NAME_KNOWN; |
| list_del(&e->list); |
| } else { |
| e->name_state = NAME_NEEDED; |
| hci_inquiry_cache_update_resolve(hdev, e); |
| } |
| |
| err = 0; |
| |
| failed: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int block_device(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_block_device *cp = data; |
| u8 status; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type); |
| if (err < 0) |
| status = MGMT_STATUS_FAILED; |
| else |
| status = 0; |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status, |
| &cp->addr, sizeof(cp->addr)); |
| |
| hci_dev_unlock(hdev); |
| |
| return err; |
| } |
| |
| static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_unblock_device *cp = data; |
| u8 status; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type); |
| if (err < 0) |
| status = MGMT_STATUS_INVALID_PARAMS; |
| else |
| status = 0; |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status, |
| &cp->addr, sizeof(cp->addr)); |
| |
| hci_dev_unlock(hdev); |
| |
| return err; |
| } |
| |
| static int set_device_id(struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 len) |
| { |
| struct mgmt_cp_set_device_id *cp = data; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| hci_dev_lock(hdev); |
| |
| hdev->devid_source = __le16_to_cpu(cp->source); |
| hdev->devid_vendor = __le16_to_cpu(cp->vendor); |
| hdev->devid_product = __le16_to_cpu(cp->product); |
| hdev->devid_version = __le16_to_cpu(cp->version); |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_SET_DEVICE_ID, 0, NULL, 0); |
| |
| update_eir(hdev); |
| |
| hci_dev_unlock(hdev); |
| |
| return err; |
| } |
| |
| static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, |
| void *data, u16 len) |
| { |
| struct mgmt_mode *cp = data; |
| struct hci_cp_write_page_scan_activity acp; |
| u8 type; |
| int err; |
| |
| BT_DBG("%s", hdev->name); |
| |
| if (!hdev_is_powered(hdev)) |
| return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
| MGMT_STATUS_NOT_POWERED); |
| |
| if (!test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) |
| return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
| MGMT_STATUS_REJECTED); |
| |
| hci_dev_lock(hdev); |
| |
| if (cp->val) { |
| type = PAGE_SCAN_TYPE_INTERLACED; |
| |
| /* 22.5 msec page scan interval */ |
| acp.interval = __constant_cpu_to_le16(0x0024); |
| } else { |
| type = PAGE_SCAN_TYPE_STANDARD; /* default */ |
| |
| /* default 1.28 sec page scan */ |
| acp.interval = __constant_cpu_to_le16(0x0800); |
| } |
| |
| /* default 11.25 msec page scan window */ |
| acp.window = __constant_cpu_to_le16(0x0012); |
| |
| err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY, sizeof(acp), |
| &acp); |
| if (err < 0) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
| MGMT_STATUS_FAILED); |
| goto done; |
| } |
| |
| err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type); |
| if (err < 0) { |
| err = cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, |
| MGMT_STATUS_FAILED); |
| goto done; |
| } |
| |
| err = cmd_complete(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, 0, |
| NULL, 0); |
| done: |
| hci_dev_unlock(hdev); |
| return err; |
| } |
| |
| static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, |
| void *cp_data, u16 len) |
| { |
| struct mgmt_cp_load_long_term_keys *cp = cp_data; |
| u16 key_count, expected_len; |
| int i; |
| |
| key_count = __le16_to_cpu(cp->key_count); |
| |
| expected_len = sizeof(*cp) + key_count * |
| sizeof(struct mgmt_ltk_info); |
| if (expected_len != len) { |
| BT_ERR("load_keys: expected %u bytes, got %u bytes", |
| len, expected_len); |
| return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, |
| EINVAL); |
| } |
| |
| BT_DBG("%s key_count %u", hdev->name, key_count); |
| |
| hci_dev_lock(hdev); |
| |
| hci_smp_ltks_clear(hdev); |
| |
| for (i = 0; i < key_count; i++) { |
| struct mgmt_ltk_info *key = &cp->keys[i]; |
| u8 type; |
| |
| if (key->master) |
| type = HCI_SMP_LTK; |
| else |
| type = HCI_SMP_LTK_SLAVE; |
| |
| hci_add_ltk(hdev, &key->addr.bdaddr, key->addr.type, |
| type, 0, key->authenticated, key->val, |
| key->enc_size, key->ediv, key->rand); |
| } |
| |
| hci_dev_unlock(hdev); |
| |
| return 0; |
| } |
| |
| static const struct mgmt_handler { |
| int (*func) (struct sock *sk, struct hci_dev *hdev, void *data, |
| u16 data_len); |
| bool var_len; |
| size_t data_len; |
| } mgmt_handlers[] = { |
| { NULL }, /* 0x0000 (no command) */ |
| { read_version, false, MGMT_READ_VERSION_SIZE }, |
| { read_commands, false, MGMT_READ_COMMANDS_SIZE }, |
| { read_index_list, false, MGMT_READ_INDEX_LIST_SIZE }, |
| { read_controller_info, false, MGMT_READ_INFO_SIZE }, |
| { set_powered, false, MGMT_SETTING_SIZE }, |
| { set_discoverable, false, MGMT_SET_DISCOVERABLE_SIZE }, |
| { set_connectable, false, MGMT_SETTING_SIZE }, |
| { set_fast_connectable, false, MGMT_SETTING_SIZE }, |
| { set_pairable, false, MGMT_SETTING_SIZE }, |
| { set_link_security, false, MGMT_SETTING_SIZE }, |
| { set_ssp, false, MGMT_SETTING_SIZE }, |
| { set_hs, false, MGMT_SETTING_SIZE }, |
| { set_le, false, MGMT_SETTING_SIZE }, |
| { set_dev_class, false, MGMT_SET_DEV_CLASS_SIZE }, |
| { set_local_name, false, MGMT_SET_LOCAL_NAME_SIZE }, |
| { add_uuid, false, MGMT_ADD_UUID_SIZE }, |
| { remove_uuid, false, MGMT_REMOVE_UUID_SIZE }, |
| { load_link_keys, true, MGMT_LOAD_LINK_KEYS_SIZE }, |
| { load_long_term_keys, true, MGMT_LOAD_LONG_TERM_KEYS_SIZE }, |
| { disconnect, false, MGMT_DISCONNECT_SIZE }, |
| { get_connections, false, MGMT_GET_CONNECTIONS_SIZE }, |
| { pin_code_reply, false, MGMT_PIN_CODE_REPLY_SIZE }, |
| { pin_code_neg_reply, false, MGMT_PIN_CODE_NEG_REPLY_SIZE }, |
| { set_io_capability, false, MGMT_SET_IO_CAPABILITY_SIZE }, |
| { pair_device, false, MGMT_PAIR_DEVICE_SIZE }, |
| { cancel_pair_device, false, MGMT_CANCEL_PAIR_DEVICE_SIZE }, |
| { unpair_device, false, MGMT_UNPAIR_DEVICE_SIZE }, |
| { user_confirm_reply, false, MGMT_USER_CONFIRM_REPLY_SIZE }, |
| { user_confirm_neg_reply, false, MGMT_USER_CONFIRM_NEG_REPLY_SIZE }, |
| { user_passkey_reply, false, MGMT_USER_PASSKEY_REPLY_SIZE }, |
| { user_passkey_neg_reply, false, MGMT_USER_PASSKEY_NEG_REPLY_SIZE }, |
| { read_local_oob_data, false, MGMT_READ_LOCAL_OOB_DATA_SIZE }, |
| { add_remote_oob_data, false, MGMT_ADD_REMOTE_OOB_DATA_SIZE }, |
| { remove_remote_oob_data, false, MGMT_REMOVE_REMOTE_OOB_DATA_SIZE }, |
| { start_discovery, false, MGMT_START_DISCOVERY_SIZE }, |
| { stop_discovery, false, MGMT_STOP_DISCOVERY_SIZE }, |
| { confirm_name, false, MGMT_CONFIRM_NAME_SIZE }, |
| { block_device, false, MGMT_BLOCK_DEVICE_SIZE }, |
| { unblock_device, false, MGMT_UNBLOCK_DEVICE_SIZE }, |
| { set_device_id, false, MGMT_SET_DEVICE_ID_SIZE }, |
| }; |
| |
| |
| int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen) |
| { |
| void *buf; |
| u8 *cp; |
| struct mgmt_hdr *hdr; |
| u16 opcode, index, len; |
| struct hci_dev *hdev = NULL; |
| const struct mgmt_handler *handler; |
| int err; |
| |
| BT_DBG("got %zu bytes", msglen); |
| |
| if (msglen < sizeof(*hdr)) |
| return -EINVAL; |
| |
| buf = kmalloc(msglen, GFP_KERNEL); |
| if (!buf) |
| return -ENOMEM; |
| |
| if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) { |
| err = -EFAULT; |
| goto done; |
| } |
| |
| hdr = buf; |
| opcode = __le16_to_cpu(hdr->opcode); |
| index = __le16_to_cpu(hdr->index); |
| len = __le16_to_cpu(hdr->len); |
| |
| if (len != msglen - sizeof(*hdr)) { |
| err = -EINVAL; |
| goto done; |
| } |
| |
| if (index != MGMT_INDEX_NONE) { |
| hdev = hci_dev_get(index); |
| if (!hdev) { |
| err = cmd_status(sk, index, opcode, |
| MGMT_STATUS_INVALID_INDEX); |
| goto done; |
| } |
| } |
| |
| if (opcode >= ARRAY_SIZE(mgmt_handlers) || |
| mgmt_handlers[opcode].func == NULL) { |
| BT_DBG("Unknown op %u", opcode); |
| err = cmd_status(sk, index, opcode, |
| MGMT_STATUS_UNKNOWN_COMMAND); |
| goto done; |
| } |
| |
| if ((hdev && opcode < MGMT_OP_READ_INFO) || |
| (!hdev && opcode >= MGMT_OP_READ_INFO)) { |
| err = cmd_status(sk, index, opcode, |
| MGMT_STATUS_INVALID_INDEX); |
| goto done; |
| } |
| |
| handler = &mgmt_handlers[opcode]; |
| |
| if ((handler->var_len && len < handler->data_len) || |
| (!handler->var_len && len != handler->data_len)) { |
| err = cmd_status(sk, index, opcode, |
| MGMT_STATUS_INVALID_PARAMS); |
| goto done; |
| } |
| |
| if (hdev) |
| mgmt_init_hdev(sk, hdev); |
| |
| cp = buf + sizeof(*hdr); |
| |
| err = handler->func(sk, hdev, cp, len); |
| if (err < 0) |
| goto done; |
| |
| err = msglen; |
| |
| done: |
| if (hdev) |
| hci_dev_put(hdev); |
| |
| kfree(buf); |
| return err; |
| } |
| |
| static void cmd_status_rsp(struct pending_cmd *cmd, void *data) |
| { |
| u8 *status = data; |
| |
| cmd_status(cmd->sk, cmd->index, cmd->opcode, *status); |
| mgmt_pending_remove(cmd); |
| } |
| |
| int mgmt_index_added(struct hci_dev *hdev) |
| { |
| return mgmt_event(MGMT_EV_INDEX_ADDED, hdev, NULL, 0, NULL); |
| } |
| |
| int mgmt_index_removed(struct hci_dev *hdev) |
| { |
| u8 status = MGMT_STATUS_INVALID_INDEX; |
| |
| mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); |
| |
| return mgmt_event(MGMT_EV_INDEX_REMOVED, hdev, NULL, 0, NULL); |
| } |
| |
| struct cmd_lookup { |
| struct sock *sk; |
| struct hci_dev *hdev; |
| u8 mgmt_status; |
| }; |
| |
| static void settings_rsp(struct pending_cmd *cmd, void *data) |
| { |
| struct cmd_lookup *match = data; |
| |
| send_settings_rsp(cmd->sk, cmd->opcode, match->hdev); |
| |
| list_del(&cmd->list); |
| |
| if (match->sk == NULL) { |
| match->sk = cmd->sk; |
| sock_hold(match->sk); |
| } |
| |
| mgmt_pending_free(cmd); |
| } |
| |
| int mgmt_powered(struct hci_dev *hdev, u8 powered) |
| { |
| struct cmd_lookup match = { NULL, hdev }; |
| int err; |
| |
| if (!test_bit(HCI_MGMT, &hdev->dev_flags)) |
| return 0; |
| |
| mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); |
| |
| if (powered) { |
| u8 scan = 0; |
| |
| if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) |
| scan |= SCAN_PAGE; |
| if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) |
| scan |= SCAN_INQUIRY; |
| |
| if (scan) |
| hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); |
| |
| update_class(hdev); |
| update_name(hdev, hdev->dev_name); |
| update_eir(hdev); |
| } else { |
| u8 status = MGMT_STATUS_NOT_POWERED; |
| mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); |
| } |
| |
| err = new_settings(hdev, match.sk); |
| |
| if (match.sk) |
| sock_put(match.sk); |
| |
| return err; |
| } |
| |
| int mgmt_discoverable(struct hci_dev *hdev, u8 discoverable) |
| { |
| struct cmd_lookup match = { NULL, hdev }; |
| bool changed = false; |
| int err = 0; |
| |
| if (discoverable) { |
| if (!test_and_set_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) |
| changed = true; |
| } else { |
| if (test_and_clear_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) |
| changed = true; |
| } |
| |
| mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, settings_rsp, |
| &match); |
| |
| if (changed) |
| err = new_settings(hdev, match.sk); |
| |
| if (match.sk) |
| sock_put(match.sk); |
| |
| return err; |
| } |
| |
| int mgmt_connectable(struct hci_dev *hdev, u8 connectable) |
| { |
| struct cmd_lookup match = { NULL, hdev }; |
| bool changed = false; |
| int err = 0; |
| |
| if (connectable) { |
| if (!test_and_set_bit(HCI_CONNECTABLE, &hdev->dev_flags)) |
| changed = true; |
| } else { |
| if (test_and_clear_bit(HCI_CONNECTABLE, &hdev->dev_flags)) |
| changed = true; |
| } |
| |
| mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, settings_rsp, |
| &match); |
| |
| if (changed) |
| err = new_settings(hdev, match.sk); |
| |
| if (match.sk) |
| sock_put(match.sk); |
| |
| return err; |
| } |
| |
| int mgmt_write_scan_failed(struct hci_dev *hdev, u8 scan, u8 status) |
| { |
| u8 mgmt_err = mgmt_status(status); |
| |
| if (scan & SCAN_PAGE) |
| mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, hdev, |
| cmd_status_rsp, &mgmt_err); |
| |
| if (scan & SCAN_INQUIRY) |
| mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, hdev, |
| cmd_status_rsp, &mgmt_err); |
| |
| return 0; |
| } |
| |
| int mgmt_new_link_key(struct hci_dev *hdev, struct link_key *key, bool persistent) |
| { |
| struct mgmt_ev_new_link_key ev; |
| |
| memset(&ev, 0, sizeof(ev)); |
| |
| ev.store_hint = persistent; |
| bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
| ev.key.addr.type = MGMT_ADDR_BREDR; |
| ev.key.type = key->type; |
| memcpy(ev.key.val, key->val, 16); |
| ev.key.pin_len = key->pin_len; |
| |
| return mgmt_event(MGMT_EV_NEW_LINK_KEY, hdev, &ev, sizeof(ev), NULL); |
| } |
| |
| int mgmt_new_ltk(struct hci_dev *hdev, struct smp_ltk *key, u8 persistent) |
| { |
| struct mgmt_ev_new_long_term_key ev; |
| |
| memset(&ev, 0, sizeof(ev)); |
| |
| ev.store_hint = persistent; |
| bacpy(&ev.key.addr.bdaddr, &key->bdaddr); |
| ev.key.addr.type = key->bdaddr_type; |
| ev.key.authenticated = key->authenticated; |
| ev.key.enc_size = key->enc_size; |
| ev.key.ediv = key->ediv; |
| |
| if (key->type == HCI_SMP_LTK) |
| ev.key.master = 1; |
| |
| memcpy(ev.key.rand, key->rand, sizeof(key->rand)); |
| memcpy(ev.key.val, key->val, sizeof(key->val)); |
| |
| return mgmt_event(MGMT_EV_NEW_LONG_TERM_KEY, hdev, &ev, sizeof(ev), |
| NULL); |
| } |
| |
| int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
| u8 addr_type, u32 flags, u8 *name, u8 name_len, |
| u8 *dev_class) |
| { |
| char buf[512]; |
| struct mgmt_ev_device_connected *ev = (void *) buf; |
| u16 eir_len = 0; |
| |
| bacpy(&ev->addr.bdaddr, bdaddr); |
| ev->addr.type = link_to_mgmt(link_type, addr_type); |
| |
| ev->flags = __cpu_to_le32(flags); |
| |
| if (name_len > 0) |
| eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, |
| name, name_len); |
| |
| if (dev_class && memcmp(dev_class, "\0\0\0", 3) != 0) |
| eir_len = eir_append_data(ev->eir, eir_len, |
| EIR_CLASS_OF_DEV, dev_class, 3); |
| |
| ev->eir_len = cpu_to_le16(eir_len); |
| |
| return mgmt_event(MGMT_EV_DEVICE_CONNECTED, hdev, buf, |
| sizeof(*ev) + eir_len, NULL); |
| } |
| |
| static void disconnect_rsp(struct pending_cmd *cmd, void *data) |
| { |
| struct mgmt_cp_disconnect *cp = cmd->param; |
| struct sock **sk = data; |
| struct mgmt_rp_disconnect rp; |
| |
| bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
| rp.addr.type = cp->addr.type; |
| |
| cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, 0, &rp, |
| sizeof(rp)); |
| |
| *sk = cmd->sk; |
| sock_hold(*sk); |
| |
| mgmt_pending_remove(cmd); |
| } |
| |
| static void unpair_device_rsp(struct pending_cmd *cmd, void *data) |
| { |
| struct hci_dev *hdev = data; |
| struct mgmt_cp_unpair_device *cp = cmd->param; |
| struct mgmt_rp_unpair_device rp; |
| |
| memset(&rp, 0, sizeof(rp)); |
| bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); |
| rp.addr.type = cp->addr.type; |
| |
| device_unpaired(hdev, &cp->addr.bdaddr, cp->addr.type, cmd->sk); |
| |
| cmd_complete(cmd->sk, cmd->index, cmd->opcode, 0, &rp, sizeof(rp)); |
| |
| mgmt_pending_remove(cmd); |
| } |
| |
| int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type) |
| { |
| struct mgmt_addr_info ev; |
| struct sock *sk = NULL; |
| int err; |
| |
| mgmt_pending_foreach(MGMT_OP_DISCONNECT, hdev, disconnect_rsp, &sk); |
| |
| bacpy(&ev.bdaddr, bdaddr); |
| ev.type = link_to_mgmt(link_type, addr_type); |
| |
| err = mgmt_event(MGMT_EV_DEVICE_DISCONNECTED, hdev, &ev, sizeof(ev), |
| sk); |
| |
| if (sk) |
| sock_put(sk); |
| |
| mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
| hdev); |
| |
| return err; |
| } |
| |
| int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type, u8 status) |
| { |
| struct mgmt_rp_disconnect rp; |
| struct pending_cmd *cmd; |
| int err; |
| |
| cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev); |
| if (!cmd) |
| return -ENOENT; |
| |
| bacpy(&rp.addr.bdaddr, bdaddr); |
| rp.addr.type = link_to_mgmt(link_type, addr_type); |
| |
| err = cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, |
| mgmt_status(status), &rp, sizeof(rp)); |
| |
| mgmt_pending_remove(cmd); |
| |
| mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, |
| hdev); |
| return err; |
| } |
| |
| int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
| u8 addr_type, u8 status) |
| { |
| struct mgmt_ev_connect_failed ev; |
| |
| bacpy(&ev.addr.bdaddr, bdaddr); |
| ev.addr.type = link_to_mgmt(link_type, addr_type); |
| ev.status = mgmt_status(status); |
| |
| return mgmt_event(MGMT_EV_CONNECT_FAILED, hdev, &ev, sizeof(ev), NULL); |
| } |
| |
| int mgmt_pin_code_request(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 secure) |
| { |
| struct mgmt_ev_pin_code_request ev; |
| |
| bacpy(&ev.addr.bdaddr, bdaddr); |
| ev.addr.type = MGMT_ADDR_BREDR; |
| ev.secure = secure; |
| |
| return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, hdev, &ev, sizeof(ev), |
| NULL); |
| } |
| |
| int mgmt_pin_code_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 status) |
| { |
| struct pending_cmd *cmd; |
| struct mgmt_rp_pin_code_reply rp; |
| int err; |
| |
| cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_REPLY, hdev); |
| if (!cmd) |
| return -ENOENT; |
| |
| bacpy(&rp.addr.bdaddr, bdaddr); |
| rp.addr.type = MGMT_ADDR_BREDR; |
| |
| err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_REPLY, |
| mgmt_status(status), &rp, sizeof(rp)); |
| |
| mgmt_pending_remove(cmd); |
| |
| return err; |
| } |
| |
| int mgmt_pin_code_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 status) |
| { |
| struct pending_cmd *cmd; |
| struct mgmt_rp_pin_code_reply rp; |
| int err; |
| |
| cmd = mgmt_pending_find(MGMT_OP_PIN_CODE_NEG_REPLY, hdev); |
| if (!cmd) |
| return -ENOENT; |
| |
| bacpy(&rp.addr.bdaddr, bdaddr); |
| rp.addr.type = MGMT_ADDR_BREDR; |
| |
| err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, |
| mgmt_status(status), &rp, sizeof(rp)); |
| |
| mgmt_pending_remove(cmd); |
| |
| return err; |
| } |
| |
| int mgmt_user_confirm_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type, __le32 value, |
| u8 confirm_hint) |
| { |
| struct mgmt_ev_user_confirm_request ev; |
| |
| BT_DBG("%s", hdev->name); |
| |
| bacpy(&ev.addr.bdaddr, bdaddr); |
| ev.addr.type = link_to_mgmt(link_type, addr_type); |
| ev.confirm_hint = confirm_hint; |
| ev.value = value; |
| |
| return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, hdev, &ev, sizeof(ev), |
| NULL); |
| } |
| |
| int mgmt_user_passkey_request(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type) |
| { |
| struct mgmt_ev_user_passkey_request ev; |
| |
| BT_DBG("%s", hdev->name); |
| |
| bacpy(&ev.addr.bdaddr, bdaddr); |
| ev.addr.type = link_to_mgmt(link_type, addr_type); |
| |
| return mgmt_event(MGMT_EV_USER_PASSKEY_REQUEST, hdev, &ev, sizeof(ev), |
| NULL); |
| } |
| |
| static int user_pairing_resp_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type, u8 status, |
| u8 opcode) |
| { |
| struct pending_cmd *cmd; |
| struct mgmt_rp_user_confirm_reply rp; |
| int err; |
| |
| cmd = mgmt_pending_find(opcode, hdev); |
| if (!cmd) |
| return -ENOENT; |
| |
| bacpy(&rp.addr.bdaddr, bdaddr); |
| rp.addr.type = link_to_mgmt(link_type, addr_type); |
| err = cmd_complete(cmd->sk, hdev->id, opcode, mgmt_status(status), |
| &rp, sizeof(rp)); |
| |
| mgmt_pending_remove(cmd); |
| |
| return err; |
| } |
| |
| int mgmt_user_confirm_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type, u8 status) |
| { |
| return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
| status, MGMT_OP_USER_CONFIRM_REPLY); |
| } |
| |
| int mgmt_user_confirm_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type, u8 status) |
| { |
| return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
| status, MGMT_OP_USER_CONFIRM_NEG_REPLY); |
| } |
| |
| int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type, u8 status) |
| { |
| return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
| status, MGMT_OP_USER_PASSKEY_REPLY); |
| } |
| |
| int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, |
| u8 link_type, u8 addr_type, u8 status) |
| { |
| return user_pairing_resp_complete(hdev, bdaddr, link_type, addr_type, |
| status, MGMT_OP_USER_PASSKEY_NEG_REPLY); |
| } |
| |
| int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
| u8 addr_type, u8 status) |
| { |
| struct mgmt_ev_auth_failed ev; |
| |
| bacpy(&ev.addr.bdaddr, bdaddr); |
| ev.addr.type = link_to_mgmt(link_type, addr_type); |
| ev.status = mgmt_status(status); |
| |
| return mgmt_event(MGMT_EV_AUTH_FAILED, hdev, &ev, sizeof(ev), NULL); |
| } |
| |
| int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status) |
| { |
| struct cmd_lookup match = { NULL, hdev }; |
| bool changed = false; |
| int err = 0; |
| |
| if (status) { |
| u8 mgmt_err = mgmt_status(status); |
| mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, |
| cmd_status_rsp, &mgmt_err); |
| return 0; |
| } |
| |
| if (test_bit(HCI_AUTH, &hdev->flags)) { |
| if (!test_and_set_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) |
| changed = true; |
| } else { |
| if (test_and_clear_bit(HCI_LINK_SECURITY, &hdev->dev_flags)) |
| changed = true; |
| } |
| |
| mgmt_pending_foreach(MGMT_OP_SET_LINK_SECURITY, hdev, settings_rsp, |
| &match); |
| |
| if (changed) |
| err = new_settings(hdev, match.sk); |
| |
| if (match.sk) |
| sock_put(match.sk); |
| |
| return err; |
| } |
| |
| static int clear_eir(struct hci_dev *hdev) |
| { |
| struct hci_cp_write_eir cp; |
| |
| if (!(hdev->features[6] & LMP_EXT_INQ)) |
| return 0; |
| |
| memset(hdev->eir, 0, sizeof(hdev->eir)); |
| |
| memset(&cp, 0, sizeof(cp)); |
| |
| return hci_send_cmd(hdev, HCI_OP_WRITE_EIR, sizeof(cp), &cp); |
| } |
| |
| int mgmt_ssp_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) |
| { |
| struct cmd_lookup match = { NULL, hdev }; |
| bool changed = false; |
| int err = 0; |
| |
| if (status) { |
| u8 mgmt_err = mgmt_status(status); |
| |
| if (enable && test_and_clear_bit(HCI_SSP_ENABLED, |
| &hdev->dev_flags)) |
| err = new_settings(hdev, NULL); |
| |
| mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, cmd_status_rsp, |
| &mgmt_err); |
| |
| return err; |
| } |
| |
| if (enable) { |
| if (!test_and_set_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) |
| changed = true; |
| } else { |
| if (test_and_clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) |
| changed = true; |
| } |
| |
| mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, settings_rsp, &match); |
| |
| if (changed) |
| err = new_settings(hdev, match.sk); |
| |
| if (match.sk) |
| sock_put(match.sk); |
| |
| if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) |
| update_eir(hdev); |
| else |
| clear_eir(hdev); |
| |
| return err; |
| } |
| |
| static void class_rsp(struct pending_cmd *cmd, void *data) |
| { |
| struct cmd_lookup *match = data; |
| |
| cmd_complete(cmd->sk, cmd->index, cmd->opcode, match->mgmt_status, |
| match->hdev->dev_class, 3); |
| |
| list_del(&cmd->list); |
| |
| if (match->sk == NULL) { |
| match->sk = cmd->sk; |
| sock_hold(match->sk); |
| } |
| |
| mgmt_pending_free(cmd); |
| } |
| |
| int mgmt_set_class_of_dev_complete(struct hci_dev *hdev, u8 *dev_class, |
| u8 status) |
| { |
| struct cmd_lookup match = { NULL, hdev, mgmt_status(status) }; |
| int err = 0; |
| |
| clear_bit(HCI_PENDING_CLASS, &hdev->dev_flags); |
| |
| mgmt_pending_foreach(MGMT_OP_SET_DEV_CLASS, hdev, class_rsp, &match); |
| mgmt_pending_foreach(MGMT_OP_ADD_UUID, hdev, class_rsp, &match); |
| mgmt_pending_foreach(MGMT_OP_REMOVE_UUID, hdev, class_rsp, &match); |
| |
| if (!status) |
| err = mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, dev_class, |
| 3, NULL); |
| |
| if (match.sk) |
| sock_put(match.sk); |
| |
| return err; |
| } |
| |
| int mgmt_set_local_name_complete(struct hci_dev *hdev, u8 *name, u8 status) |
| { |
| struct pending_cmd *cmd; |
| struct mgmt_cp_set_local_name ev; |
| bool changed = false; |
| int err = 0; |
| |
| if (memcmp(name, hdev->dev_name, sizeof(hdev->dev_name)) != 0) { |
| memcpy(hdev->dev_name, name, sizeof(hdev->dev_name)); |
| changed = true; |
| } |
| |
| memset(&ev, 0, sizeof(ev)); |
| memcpy(ev.name, name, HCI_MAX_NAME_LENGTH); |
| memcpy(ev.short_name, hdev->short_name, HCI_MAX_SHORT_NAME_LENGTH); |
| |
| cmd = mgmt_pending_find(MGMT_OP_SET_LOCAL_NAME, hdev); |
| if (!cmd) |
| goto send_event; |
| |
| /* Always assume that either the short or the complete name has |
| * changed if there was a pending mgmt command */ |
| changed = true; |
| |
| if (status) { |
| err = cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, |
| mgmt_status(status)); |
| goto failed; |
| } |
| |
| err = cmd_complete(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME, 0, &ev, |
| sizeof(ev)); |
| if (err < 0) |
| goto failed; |
| |
| send_event: |
| if (changed) |
| err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, |
| sizeof(ev), cmd ? cmd->sk : NULL); |
| |
| update_eir(hdev); |
| |
| failed: |
| if (cmd) |
| mgmt_pending_remove(cmd); |
| return err; |
| } |
| |
| int mgmt_read_local_oob_data_reply_complete(struct hci_dev *hdev, u8 *hash, |
| u8 *randomizer, u8 status) |
| { |
| struct pending_cmd *cmd; |
| int err; |
| |
| BT_DBG("%s status %u", hdev->name, status); |
| |
| cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev); |
| if (!cmd) |
| return -ENOENT; |
| |
| if (status) { |
| err = cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, |
| mgmt_status(status)); |
| } else { |
| struct mgmt_rp_read_local_oob_data rp; |
| |
| memcpy(rp.hash, hash, sizeof(rp.hash)); |
| memcpy(rp.randomizer, randomizer, sizeof(rp.randomizer)); |
| |
| err = cmd_complete(cmd->sk, hdev->id, |
| MGMT_OP_READ_LOCAL_OOB_DATA, 0, &rp, |
| sizeof(rp)); |
| } |
| |
| mgmt_pending_remove(cmd); |
| |
| return err; |
| } |
| |
| int mgmt_le_enable_complete(struct hci_dev *hdev, u8 enable, u8 status) |
| { |
| struct cmd_lookup match = { NULL, hdev }; |
| bool changed = false; |
| int err = 0; |
| |
| if (status) { |
| u8 mgmt_err = mgmt_status(status); |
| |
| if (enable && test_and_clear_bit(HCI_LE_ENABLED, |
| &hdev->dev_flags)) |
| err = new_settings(hdev, NULL); |
| |
| mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, |
| cmd_status_rsp, &mgmt_err); |
| |
| return err; |
| } |
| |
| if (enable) { |
| if (!test_and_set_bit(HCI_LE_ENABLED, &hdev->dev_flags)) |
| changed = true; |
| } else { |
| if (test_and_clear_bit(HCI_LE_ENABLED, &hdev->dev_flags)) |
| changed = true; |
| } |
| |
| mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, settings_rsp, &match); |
| |
| if (changed) |
| err = new_settings(hdev, match.sk); |
| |
| if (match.sk) |
| sock_put(match.sk); |
| |
| return err; |
| } |
| |
| int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
| u8 addr_type, u8 *dev_class, s8 rssi, u8 cfm_name, u8 |
| ssp, u8 *eir, u16 eir_len) |
| { |
| char buf[512]; |
| struct mgmt_ev_device_found *ev = (void *) buf; |
| size_t ev_size; |
| |
| /* Leave 5 bytes for a potential CoD field */ |
| if (sizeof(*ev) + eir_len + 5 > sizeof(buf)) |
| return -EINVAL; |
| |
| memset(buf, 0, sizeof(buf)); |
| |
| bacpy(&ev->addr.bdaddr, bdaddr); |
| ev->addr.type = link_to_mgmt(link_type, addr_type); |
| ev->rssi = rssi; |
| if (cfm_name) |
| ev->flags[0] |= MGMT_DEV_FOUND_CONFIRM_NAME; |
| if (!ssp) |
| ev->flags[0] |= MGMT_DEV_FOUND_LEGACY_PAIRING; |
| |
| if (eir_len > 0) |
| memcpy(ev->eir, eir, eir_len); |
| |
| if (dev_class && !eir_has_data_type(ev->eir, eir_len, EIR_CLASS_OF_DEV)) |
| eir_len = eir_append_data(ev->eir, eir_len, EIR_CLASS_OF_DEV, |
| dev_class, 3); |
| |
| ev->eir_len = cpu_to_le16(eir_len); |
| |
| ev_size = sizeof(*ev) + eir_len; |
| |
| return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); |
| } |
| |
| int mgmt_remote_name(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, |
| u8 addr_type, s8 rssi, u8 *name, u8 name_len) |
| { |
| struct mgmt_ev_device_found *ev; |
| char buf[sizeof(*ev) + HCI_MAX_NAME_LENGTH + 2]; |
| u16 eir_len; |
| |
| ev = (struct mgmt_ev_device_found *) buf; |
| |
| memset(buf, 0, sizeof(buf)); |
| |
| bacpy(&ev->addr.bdaddr, bdaddr); |
| ev->addr.type = link_to_mgmt(link_type, addr_type); |
| ev->rssi = rssi; |
| |
| eir_len = eir_append_data(ev->eir, 0, EIR_NAME_COMPLETE, name, |
| name_len); |
| |
| ev->eir_len = cpu_to_le16(eir_len); |
| |
| return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, |
| sizeof(*ev) + eir_len, NULL); |
| } |
| |
| int mgmt_start_discovery_failed(struct hci_dev *hdev, u8 status) |
| { |
| struct pending_cmd *cmd; |
| u8 type; |
| int err; |
| |
| hci_discovery_set_state(hdev, DISCOVERY_STOPPED); |
| |
| cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); |
| if (!cmd) |
| return -ENOENT; |
| |
| type = hdev->discovery.type; |
| |
| err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status), |
| &type, sizeof(type)); |
| mgmt_pending_remove(cmd); |
| |
| return err; |
| } |
| |
| int mgmt_stop_discovery_failed(struct hci_dev *hdev, u8 status) |
| { |
| struct pending_cmd *cmd; |
| int err; |
| |
| cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); |
| if (!cmd) |
| return -ENOENT; |
| |
| err = cmd_complete(cmd->sk, hdev->id, cmd->opcode, mgmt_status(status), |
| &hdev->discovery.type, sizeof(hdev->discovery.type)); |
| mgmt_pending_remove(cmd); |
| |
| return err; |
| } |
| |
| int mgmt_discovering(struct hci_dev *hdev, u8 discovering) |
| { |
| struct mgmt_ev_discovering ev; |
| struct pending_cmd *cmd; |
| |
| BT_DBG("%s discovering %u", hdev->name, discovering); |
| |
| if (discovering) |
| cmd = mgmt_pending_find(MGMT_OP_START_DISCOVERY, hdev); |
| else |
| cmd = mgmt_pending_find(MGMT_OP_STOP_DISCOVERY, hdev); |
| |
| if (cmd != NULL) { |
| u8 type = hdev->discovery.type; |
| |
| cmd_complete(cmd->sk, hdev->id, cmd->opcode, 0, &type, |
| sizeof(type)); |
| mgmt_pending_remove(cmd); |
| } |
| |
| memset(&ev, 0, sizeof(ev)); |
| ev.type = hdev->discovery.type; |
| ev.discovering = discovering; |
| |
| return mgmt_event(MGMT_EV_DISCOVERING, hdev, &ev, sizeof(ev), NULL); |
| } |
| |
| int mgmt_device_blocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) |
| { |
| struct pending_cmd *cmd; |
| struct mgmt_ev_device_blocked ev; |
| |
| cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, hdev); |
| |
| bacpy(&ev.addr.bdaddr, bdaddr); |
| ev.addr.type = type; |
| |
| return mgmt_event(MGMT_EV_DEVICE_BLOCKED, hdev, &ev, sizeof(ev), |
| cmd ? cmd->sk : NULL); |
| } |
| |
| int mgmt_device_unblocked(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type) |
| { |
| struct pending_cmd *cmd; |
| struct mgmt_ev_device_unblocked ev; |
| |
| cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, hdev); |
| |
| bacpy(&ev.addr.bdaddr, bdaddr); |
| ev.addr.type = type; |
| |
| return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, hdev, &ev, sizeof(ev), |
| cmd ? cmd->sk : NULL); |
| } |
| |
| module_param(enable_hs, bool, 0644); |
| MODULE_PARM_DESC(enable_hs, "Enable High Speed support"); |
| |
| module_param(enable_le, bool, 0644); |
| MODULE_PARM_DESC(enable_le, "Enable Low Energy support"); |