![Johan Hedberg](/assets/img/avatar_default.png)
The code was correctly calling _unlock at the end of the function but there was no actual _lock call anywhere. Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com> Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
1648 lines
34 KiB
C
1648 lines
34 KiB
C
/*
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BlueZ - Bluetooth protocol stack for Linux
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Copyright (C) 2010 Nokia Corporation
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License version 2 as
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published by the Free Software Foundation;
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
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CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
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COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
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SOFTWARE IS DISCLAIMED.
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*/
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/* Bluetooth HCI Management interface */
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#include <linux/uaccess.h>
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#include <asm/unaligned.h>
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#include <net/bluetooth/bluetooth.h>
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#include <net/bluetooth/hci_core.h>
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#include <net/bluetooth/mgmt.h>
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#define MGMT_VERSION 0
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#define MGMT_REVISION 1
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struct pending_cmd {
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struct list_head list;
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__u16 opcode;
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int index;
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void *cmd;
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struct sock *sk;
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void *user_data;
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};
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LIST_HEAD(cmd_list);
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static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status)
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{
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struct sk_buff *skb;
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struct mgmt_hdr *hdr;
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struct mgmt_ev_cmd_status *ev;
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BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status);
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skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC);
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if (!skb)
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return -ENOMEM;
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hdr = (void *) skb_put(skb, sizeof(*hdr));
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hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS);
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hdr->index = cpu_to_le16(index);
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hdr->len = cpu_to_le16(sizeof(*ev));
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ev = (void *) skb_put(skb, sizeof(*ev));
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ev->status = status;
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put_unaligned_le16(cmd, &ev->opcode);
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if (sock_queue_rcv_skb(sk, skb) < 0)
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kfree_skb(skb);
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return 0;
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}
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static int cmd_complete(struct sock *sk, u16 index, u16 cmd, void *rp,
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size_t rp_len)
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{
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struct sk_buff *skb;
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struct mgmt_hdr *hdr;
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struct mgmt_ev_cmd_complete *ev;
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BT_DBG("sock %p", sk);
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skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC);
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if (!skb)
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return -ENOMEM;
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hdr = (void *) skb_put(skb, sizeof(*hdr));
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hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE);
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hdr->index = cpu_to_le16(index);
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hdr->len = cpu_to_le16(sizeof(*ev) + rp_len);
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ev = (void *) skb_put(skb, sizeof(*ev) + rp_len);
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put_unaligned_le16(cmd, &ev->opcode);
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if (rp)
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memcpy(ev->data, rp, rp_len);
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if (sock_queue_rcv_skb(sk, skb) < 0)
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kfree_skb(skb);
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return 0;
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}
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static int read_version(struct sock *sk)
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{
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struct mgmt_rp_read_version rp;
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BT_DBG("sock %p", sk);
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rp.version = MGMT_VERSION;
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put_unaligned_le16(MGMT_REVISION, &rp.revision);
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return cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_VERSION, &rp,
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sizeof(rp));
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}
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static int read_index_list(struct sock *sk)
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{
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struct mgmt_rp_read_index_list *rp;
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struct list_head *p;
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size_t rp_len;
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u16 count;
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int i, err;
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BT_DBG("sock %p", sk);
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read_lock(&hci_dev_list_lock);
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count = 0;
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list_for_each(p, &hci_dev_list) {
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count++;
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}
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rp_len = sizeof(*rp) + (2 * count);
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rp = kmalloc(rp_len, GFP_ATOMIC);
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if (!rp) {
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read_unlock(&hci_dev_list_lock);
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return -ENOMEM;
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}
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put_unaligned_le16(count, &rp->num_controllers);
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i = 0;
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list_for_each(p, &hci_dev_list) {
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struct hci_dev *d = list_entry(p, struct hci_dev, list);
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hci_del_off_timer(d);
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set_bit(HCI_MGMT, &d->flags);
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if (test_bit(HCI_SETUP, &d->flags))
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continue;
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put_unaligned_le16(d->id, &rp->index[i++]);
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BT_DBG("Added hci%u", d->id);
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}
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read_unlock(&hci_dev_list_lock);
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err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, rp,
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rp_len);
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kfree(rp);
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return err;
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}
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static int read_controller_info(struct sock *sk, u16 index)
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{
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struct mgmt_rp_read_info rp;
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struct hci_dev *hdev;
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BT_DBG("sock %p hci%u", sk, index);
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hdev = hci_dev_get(index);
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if (!hdev)
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return cmd_status(sk, index, MGMT_OP_READ_INFO, ENODEV);
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hci_del_off_timer(hdev);
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hci_dev_lock_bh(hdev);
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set_bit(HCI_MGMT, &hdev->flags);
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rp.type = hdev->dev_type;
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rp.powered = test_bit(HCI_UP, &hdev->flags);
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rp.connectable = test_bit(HCI_PSCAN, &hdev->flags);
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rp.discoverable = test_bit(HCI_ISCAN, &hdev->flags);
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rp.pairable = test_bit(HCI_PSCAN, &hdev->flags);
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if (test_bit(HCI_AUTH, &hdev->flags))
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rp.sec_mode = 3;
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else if (hdev->ssp_mode > 0)
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rp.sec_mode = 4;
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else
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rp.sec_mode = 2;
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bacpy(&rp.bdaddr, &hdev->bdaddr);
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memcpy(rp.features, hdev->features, 8);
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memcpy(rp.dev_class, hdev->dev_class, 3);
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put_unaligned_le16(hdev->manufacturer, &rp.manufacturer);
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rp.hci_ver = hdev->hci_ver;
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put_unaligned_le16(hdev->hci_rev, &rp.hci_rev);
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hci_dev_unlock_bh(hdev);
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hci_dev_put(hdev);
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return cmd_complete(sk, index, MGMT_OP_READ_INFO, &rp, sizeof(rp));
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}
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static void mgmt_pending_free(struct pending_cmd *cmd)
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{
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sock_put(cmd->sk);
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kfree(cmd->cmd);
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kfree(cmd);
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}
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static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode,
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u16 index, void *data, u16 len)
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{
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struct pending_cmd *cmd;
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cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC);
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if (!cmd)
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return NULL;
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cmd->opcode = opcode;
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cmd->index = index;
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cmd->cmd = kmalloc(len, GFP_ATOMIC);
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if (!cmd->cmd) {
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kfree(cmd);
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return NULL;
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}
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memcpy(cmd->cmd, data, len);
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cmd->sk = sk;
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sock_hold(sk);
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list_add(&cmd->list, &cmd_list);
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return cmd;
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}
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static void mgmt_pending_foreach(u16 opcode, int index,
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void (*cb)(struct pending_cmd *cmd, void *data),
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void *data)
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{
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struct list_head *p, *n;
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list_for_each_safe(p, n, &cmd_list) {
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struct pending_cmd *cmd;
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cmd = list_entry(p, struct pending_cmd, list);
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if (cmd->opcode != opcode)
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continue;
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if (index >= 0 && cmd->index != index)
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continue;
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cb(cmd, data);
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}
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}
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static struct pending_cmd *mgmt_pending_find(u16 opcode, int index)
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{
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struct list_head *p;
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list_for_each(p, &cmd_list) {
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struct pending_cmd *cmd;
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cmd = list_entry(p, struct pending_cmd, list);
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if (cmd->opcode != opcode)
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continue;
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if (index >= 0 && cmd->index != index)
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continue;
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return cmd;
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}
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return NULL;
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}
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static void mgmt_pending_remove(struct pending_cmd *cmd)
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{
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list_del(&cmd->list);
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mgmt_pending_free(cmd);
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}
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static int set_powered(struct sock *sk, u16 index, unsigned char *data, u16 len)
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{
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struct mgmt_mode *cp;
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struct hci_dev *hdev;
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struct pending_cmd *cmd;
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int err, up;
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cp = (void *) data;
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BT_DBG("request for hci%u", index);
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if (len != sizeof(*cp))
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return cmd_status(sk, index, MGMT_OP_SET_POWERED, EINVAL);
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hdev = hci_dev_get(index);
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if (!hdev)
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return cmd_status(sk, index, MGMT_OP_SET_POWERED, ENODEV);
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hci_dev_lock_bh(hdev);
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up = test_bit(HCI_UP, &hdev->flags);
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if ((cp->val && up) || (!cp->val && !up)) {
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err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EALREADY);
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goto failed;
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}
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if (mgmt_pending_find(MGMT_OP_SET_POWERED, index)) {
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err = cmd_status(sk, index, MGMT_OP_SET_POWERED, EBUSY);
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goto failed;
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}
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cmd = mgmt_pending_add(sk, MGMT_OP_SET_POWERED, index, data, len);
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if (!cmd) {
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err = -ENOMEM;
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goto failed;
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}
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if (cp->val)
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queue_work(hdev->workqueue, &hdev->power_on);
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else
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queue_work(hdev->workqueue, &hdev->power_off);
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err = 0;
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failed:
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hci_dev_unlock_bh(hdev);
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hci_dev_put(hdev);
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return err;
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}
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static int set_discoverable(struct sock *sk, u16 index, unsigned char *data,
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u16 len)
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{
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struct mgmt_mode *cp;
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struct hci_dev *hdev;
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struct pending_cmd *cmd;
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u8 scan;
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int err;
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cp = (void *) data;
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BT_DBG("request for hci%u", index);
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if (len != sizeof(*cp))
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return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EINVAL);
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hdev = hci_dev_get(index);
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if (!hdev)
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return cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENODEV);
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hci_dev_lock_bh(hdev);
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if (!test_bit(HCI_UP, &hdev->flags)) {
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err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, ENETDOWN);
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goto failed;
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}
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if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) ||
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mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) {
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err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EBUSY);
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goto failed;
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}
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if (cp->val == test_bit(HCI_ISCAN, &hdev->flags) &&
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test_bit(HCI_PSCAN, &hdev->flags)) {
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err = cmd_status(sk, index, MGMT_OP_SET_DISCOVERABLE, EALREADY);
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goto failed;
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}
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cmd = mgmt_pending_add(sk, MGMT_OP_SET_DISCOVERABLE, index, data, len);
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if (!cmd) {
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err = -ENOMEM;
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goto failed;
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}
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scan = SCAN_PAGE;
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if (cp->val)
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scan |= SCAN_INQUIRY;
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err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
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if (err < 0)
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mgmt_pending_remove(cmd);
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failed:
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hci_dev_unlock_bh(hdev);
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hci_dev_put(hdev);
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return err;
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}
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static int set_connectable(struct sock *sk, u16 index, unsigned char *data,
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u16 len)
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{
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struct mgmt_mode *cp;
|
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struct hci_dev *hdev;
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struct pending_cmd *cmd;
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u8 scan;
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int err;
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cp = (void *) data;
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BT_DBG("request for hci%u", index);
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|
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if (len != sizeof(*cp))
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return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EINVAL);
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|
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hdev = hci_dev_get(index);
|
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if (!hdev)
|
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return cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENODEV);
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|
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hci_dev_lock_bh(hdev);
|
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|
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if (!test_bit(HCI_UP, &hdev->flags)) {
|
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err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, ENETDOWN);
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goto failed;
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}
|
|
|
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if (mgmt_pending_find(MGMT_OP_SET_DISCOVERABLE, index) ||
|
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mgmt_pending_find(MGMT_OP_SET_CONNECTABLE, index)) {
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err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EBUSY);
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goto failed;
|
|
}
|
|
|
|
if (cp->val == test_bit(HCI_PSCAN, &hdev->flags)) {
|
|
err = cmd_status(sk, index, MGMT_OP_SET_CONNECTABLE, EALREADY);
|
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goto failed;
|
|
}
|
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_SET_CONNECTABLE, index, data, len);
|
|
if (!cmd) {
|
|
err = -ENOMEM;
|
|
goto failed;
|
|
}
|
|
|
|
if (cp->val)
|
|
scan = SCAN_PAGE;
|
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else
|
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scan = 0;
|
|
|
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err = hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan);
|
|
if (err < 0)
|
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mgmt_pending_remove(cmd);
|
|
|
|
failed:
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int mgmt_event(u16 event, u16 index, 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;
|
|
|
|
bt_cb(skb)->channel = HCI_CHANNEL_CONTROL;
|
|
|
|
hdr = (void *) skb_put(skb, sizeof(*hdr));
|
|
hdr->opcode = cpu_to_le16(event);
|
|
hdr->index = cpu_to_le16(index);
|
|
hdr->len = cpu_to_le16(data_len);
|
|
|
|
if (data)
|
|
memcpy(skb_put(skb, data_len), data, data_len);
|
|
|
|
hci_send_to_sock(NULL, skb, skip_sk);
|
|
kfree_skb(skb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int send_mode_rsp(struct sock *sk, u16 opcode, u16 index, u8 val)
|
|
{
|
|
struct mgmt_mode rp;
|
|
|
|
rp.val = val;
|
|
|
|
return cmd_complete(sk, index, opcode, &rp, sizeof(rp));
|
|
}
|
|
|
|
static int set_pairable(struct sock *sk, u16 index, unsigned char *data,
|
|
u16 len)
|
|
{
|
|
struct mgmt_mode *cp, ev;
|
|
struct hci_dev *hdev;
|
|
int err;
|
|
|
|
cp = (void *) data;
|
|
|
|
BT_DBG("request for hci%u", index);
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_SET_PAIRABLE, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
if (cp->val)
|
|
set_bit(HCI_PAIRABLE, &hdev->flags);
|
|
else
|
|
clear_bit(HCI_PAIRABLE, &hdev->flags);
|
|
|
|
err = send_mode_rsp(sk, MGMT_OP_SET_PAIRABLE, index, cp->val);
|
|
if (err < 0)
|
|
goto failed;
|
|
|
|
ev.val = cp->val;
|
|
|
|
err = mgmt_event(MGMT_EV_PAIRABLE, index, &ev, sizeof(ev), sk);
|
|
|
|
failed:
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static u8 get_service_classes(struct hci_dev *hdev)
|
|
{
|
|
struct list_head *p;
|
|
u8 val = 0;
|
|
|
|
list_for_each(p, &hdev->uuids) {
|
|
struct bt_uuid *uuid = list_entry(p, struct bt_uuid, list);
|
|
|
|
val |= uuid->svc_hint;
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
static int update_class(struct hci_dev *hdev)
|
|
{
|
|
u8 cod[3];
|
|
|
|
BT_DBG("%s", hdev->name);
|
|
|
|
if (test_bit(HCI_SERVICE_CACHE, &hdev->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;
|
|
|
|
return hci_send_cmd(hdev, HCI_OP_WRITE_CLASS_OF_DEV, sizeof(cod), cod);
|
|
}
|
|
|
|
static int add_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
|
|
{
|
|
struct mgmt_cp_add_uuid *cp;
|
|
struct hci_dev *hdev;
|
|
struct bt_uuid *uuid;
|
|
int err;
|
|
|
|
cp = (void *) data;
|
|
|
|
BT_DBG("request for hci%u", index);
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_ADD_UUID, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_ADD_UUID, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
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 = cmd_complete(sk, index, MGMT_OP_ADD_UUID, NULL, 0);
|
|
|
|
failed:
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int remove_uuid(struct sock *sk, u16 index, unsigned char *data, u16 len)
|
|
{
|
|
struct list_head *p, *n;
|
|
struct mgmt_cp_remove_uuid *cp;
|
|
struct hci_dev *hdev;
|
|
u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
|
int err, found;
|
|
|
|
cp = (void *) data;
|
|
|
|
BT_DBG("request for hci%u", index);
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_REMOVE_UUID, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
if (memcmp(cp->uuid, bt_uuid_any, 16) == 0) {
|
|
err = hci_uuids_clear(hdev);
|
|
goto unlock;
|
|
}
|
|
|
|
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, index, MGMT_OP_REMOVE_UUID, ENOENT);
|
|
goto unlock;
|
|
}
|
|
|
|
err = update_class(hdev);
|
|
if (err < 0)
|
|
goto unlock;
|
|
|
|
err = cmd_complete(sk, index, MGMT_OP_REMOVE_UUID, NULL, 0);
|
|
|
|
unlock:
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int set_dev_class(struct sock *sk, u16 index, unsigned char *data,
|
|
u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_set_dev_class *cp;
|
|
int err;
|
|
|
|
cp = (void *) data;
|
|
|
|
BT_DBG("request for hci%u", index);
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_SET_DEV_CLASS, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
hdev->major_class = cp->major;
|
|
hdev->minor_class = cp->minor;
|
|
|
|
err = update_class(hdev);
|
|
|
|
if (err == 0)
|
|
err = cmd_complete(sk, index, MGMT_OP_SET_DEV_CLASS, NULL, 0);
|
|
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int set_service_cache(struct sock *sk, u16 index, unsigned char *data,
|
|
u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_set_service_cache *cp;
|
|
int err;
|
|
|
|
cp = (void *) data;
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_SET_SERVICE_CACHE, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
BT_DBG("hci%u enable %d", index, cp->enable);
|
|
|
|
if (cp->enable) {
|
|
set_bit(HCI_SERVICE_CACHE, &hdev->flags);
|
|
err = 0;
|
|
} else {
|
|
clear_bit(HCI_SERVICE_CACHE, &hdev->flags);
|
|
err = update_class(hdev);
|
|
}
|
|
|
|
if (err == 0)
|
|
err = cmd_complete(sk, index, MGMT_OP_SET_SERVICE_CACHE, NULL,
|
|
0);
|
|
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_load_keys *cp;
|
|
u16 key_count, expected_len;
|
|
int i;
|
|
|
|
cp = (void *) data;
|
|
|
|
if (len < sizeof(*cp))
|
|
return -EINVAL;
|
|
|
|
key_count = get_unaligned_le16(&cp->key_count);
|
|
|
|
expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info);
|
|
if (expected_len != len) {
|
|
BT_ERR("load_keys: expected %u bytes, got %u bytes",
|
|
len, expected_len);
|
|
return -EINVAL;
|
|
}
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_LOAD_KEYS, ENODEV);
|
|
|
|
BT_DBG("hci%u debug_keys %u key_count %u", index, cp->debug_keys,
|
|
key_count);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
hci_link_keys_clear(hdev);
|
|
|
|
set_bit(HCI_LINK_KEYS, &hdev->flags);
|
|
|
|
if (cp->debug_keys)
|
|
set_bit(HCI_DEBUG_KEYS, &hdev->flags);
|
|
else
|
|
clear_bit(HCI_DEBUG_KEYS, &hdev->flags);
|
|
|
|
for (i = 0; i < key_count; i++) {
|
|
struct mgmt_key_info *key = &cp->keys[i];
|
|
|
|
hci_add_link_key(hdev, 0, &key->bdaddr, key->val, key->type,
|
|
key->pin_len);
|
|
}
|
|
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_remove_key *cp;
|
|
struct hci_conn *conn;
|
|
int err;
|
|
|
|
cp = (void *) data;
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_REMOVE_KEY, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
err = hci_remove_link_key(hdev, &cp->bdaddr);
|
|
if (err < 0) {
|
|
err = cmd_status(sk, index, MGMT_OP_REMOVE_KEY, -err);
|
|
goto unlock;
|
|
}
|
|
|
|
err = 0;
|
|
|
|
if (!test_bit(HCI_UP, &hdev->flags) || !cp->disconnect)
|
|
goto unlock;
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
|
|
if (conn) {
|
|
struct hci_cp_disconnect dc;
|
|
|
|
put_unaligned_le16(conn->handle, &dc.handle);
|
|
dc.reason = 0x13; /* Remote User Terminated Connection */
|
|
err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, 0, NULL);
|
|
}
|
|
|
|
unlock:
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_disconnect *cp;
|
|
struct hci_cp_disconnect dc;
|
|
struct pending_cmd *cmd;
|
|
struct hci_conn *conn;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
cp = (void *) data;
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_DISCONNECT, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_DISCONNECT, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
if (!test_bit(HCI_UP, &hdev->flags)) {
|
|
err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENETDOWN);
|
|
goto failed;
|
|
}
|
|
|
|
if (mgmt_pending_find(MGMT_OP_DISCONNECT, index)) {
|
|
err = cmd_status(sk, index, MGMT_OP_DISCONNECT, EBUSY);
|
|
goto failed;
|
|
}
|
|
|
|
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
|
|
if (!conn) {
|
|
err = cmd_status(sk, index, MGMT_OP_DISCONNECT, ENOTCONN);
|
|
goto failed;
|
|
}
|
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_DISCONNECT, index, data, len);
|
|
if (!cmd) {
|
|
err = -ENOMEM;
|
|
goto failed;
|
|
}
|
|
|
|
put_unaligned_le16(conn->handle, &dc.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_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int get_connections(struct sock *sk, u16 index)
|
|
{
|
|
struct mgmt_rp_get_connections *rp;
|
|
struct hci_dev *hdev;
|
|
struct list_head *p;
|
|
size_t rp_len;
|
|
u16 count;
|
|
int i, err;
|
|
|
|
BT_DBG("");
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_GET_CONNECTIONS, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
count = 0;
|
|
list_for_each(p, &hdev->conn_hash.list) {
|
|
count++;
|
|
}
|
|
|
|
rp_len = sizeof(*rp) + (count * sizeof(bdaddr_t));
|
|
rp = kmalloc(rp_len, GFP_ATOMIC);
|
|
if (!rp) {
|
|
err = -ENOMEM;
|
|
goto unlock;
|
|
}
|
|
|
|
put_unaligned_le16(count, &rp->conn_count);
|
|
|
|
read_lock(&hci_dev_list_lock);
|
|
|
|
i = 0;
|
|
list_for_each(p, &hdev->conn_hash.list) {
|
|
struct hci_conn *c = list_entry(p, struct hci_conn, list);
|
|
|
|
bacpy(&rp->conn[i++], &c->dst);
|
|
}
|
|
|
|
read_unlock(&hci_dev_list_lock);
|
|
|
|
err = cmd_complete(sk, index, MGMT_OP_GET_CONNECTIONS, rp, rp_len);
|
|
|
|
unlock:
|
|
kfree(rp);
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
return err;
|
|
}
|
|
|
|
static int pin_code_reply(struct sock *sk, u16 index, unsigned char *data,
|
|
u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_pin_code_reply *cp;
|
|
struct hci_cp_pin_code_reply reply;
|
|
struct pending_cmd *cmd;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
cp = (void *) data;
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
if (!test_bit(HCI_UP, &hdev->flags)) {
|
|
err = cmd_status(sk, index, MGMT_OP_PIN_CODE_REPLY, ENETDOWN);
|
|
goto failed;
|
|
}
|
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_REPLY, index, data, len);
|
|
if (!cmd) {
|
|
err = -ENOMEM;
|
|
goto failed;
|
|
}
|
|
|
|
bacpy(&reply.bdaddr, &cp->bdaddr);
|
|
reply.pin_len = cp->pin_len;
|
|
memcpy(reply.pin_code, cp->pin_code, 16);
|
|
|
|
err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_REPLY, sizeof(reply), &reply);
|
|
if (err < 0)
|
|
mgmt_pending_remove(cmd);
|
|
|
|
failed:
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int pin_code_neg_reply(struct sock *sk, u16 index, unsigned char *data,
|
|
u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_pin_code_neg_reply *cp;
|
|
struct pending_cmd *cmd;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
cp = (void *) data;
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
|
|
EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
|
|
ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
if (!test_bit(HCI_UP, &hdev->flags)) {
|
|
err = cmd_status(sk, index, MGMT_OP_PIN_CODE_NEG_REPLY,
|
|
ENETDOWN);
|
|
goto failed;
|
|
}
|
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_PIN_CODE_NEG_REPLY, index,
|
|
data, len);
|
|
if (!cmd) {
|
|
err = -ENOMEM;
|
|
goto failed;
|
|
}
|
|
|
|
err = hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY, sizeof(cp->bdaddr),
|
|
&cp->bdaddr);
|
|
if (err < 0)
|
|
mgmt_pending_remove(cmd);
|
|
|
|
failed:
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int set_io_capability(struct sock *sk, u16 index, unsigned char *data,
|
|
u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_set_io_capability *cp;
|
|
|
|
BT_DBG("");
|
|
|
|
cp = (void *) data;
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_SET_IO_CAPABILITY, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
hdev->io_capability = cp->io_capability;
|
|
|
|
BT_DBG("%s IO capability set to 0x%02x", hdev->name,
|
|
hdev->io_capability);
|
|
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return cmd_complete(sk, index, MGMT_OP_SET_IO_CAPABILITY, NULL, 0);
|
|
}
|
|
|
|
static inline struct pending_cmd *find_pairing(struct hci_conn *conn)
|
|
{
|
|
struct hci_dev *hdev = conn->hdev;
|
|
struct list_head *p;
|
|
|
|
list_for_each(p, &cmd_list) {
|
|
struct pending_cmd *cmd;
|
|
|
|
cmd = list_entry(p, struct pending_cmd, list);
|
|
|
|
if (cmd->opcode != MGMT_OP_PAIR_DEVICE)
|
|
continue;
|
|
|
|
if (cmd->index != hdev->id)
|
|
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.bdaddr, &conn->dst);
|
|
rp.status = status;
|
|
|
|
cmd_complete(cmd->sk, cmd->index, MGMT_OP_PAIR_DEVICE, &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");
|
|
return;
|
|
}
|
|
|
|
pairing_complete(cmd, status);
|
|
}
|
|
|
|
static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
|
|
{
|
|
struct hci_dev *hdev;
|
|
struct mgmt_cp_pair_device *cp;
|
|
struct pending_cmd *cmd;
|
|
u8 sec_level, auth_type;
|
|
struct hci_conn *conn;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
cp = (void *) data;
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
if (cp->io_cap == 0x03) {
|
|
sec_level = BT_SECURITY_MEDIUM;
|
|
auth_type = HCI_AT_DEDICATED_BONDING;
|
|
} else {
|
|
sec_level = BT_SECURITY_HIGH;
|
|
auth_type = HCI_AT_DEDICATED_BONDING_MITM;
|
|
}
|
|
|
|
conn = hci_connect(hdev, ACL_LINK, &cp->bdaddr, sec_level, auth_type);
|
|
if (IS_ERR(conn)) {
|
|
err = PTR_ERR(conn);
|
|
goto unlock;
|
|
}
|
|
|
|
if (conn->connect_cfm_cb) {
|
|
hci_conn_put(conn);
|
|
err = cmd_status(sk, index, MGMT_OP_PAIR_DEVICE, EBUSY);
|
|
goto unlock;
|
|
}
|
|
|
|
cmd = mgmt_pending_add(sk, MGMT_OP_PAIR_DEVICE, index, data, len);
|
|
if (!cmd) {
|
|
err = -ENOMEM;
|
|
hci_conn_put(conn);
|
|
goto unlock;
|
|
}
|
|
|
|
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_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int user_confirm_reply(struct sock *sk, u16 index, unsigned char *data,
|
|
u16 len, int success)
|
|
{
|
|
struct mgmt_cp_user_confirm_reply *cp = (void *) data;
|
|
u16 mgmt_op, hci_op;
|
|
struct pending_cmd *cmd;
|
|
struct hci_dev *hdev;
|
|
int err;
|
|
|
|
BT_DBG("");
|
|
|
|
if (success) {
|
|
mgmt_op = MGMT_OP_USER_CONFIRM_REPLY;
|
|
hci_op = HCI_OP_USER_CONFIRM_REPLY;
|
|
} else {
|
|
mgmt_op = MGMT_OP_USER_CONFIRM_NEG_REPLY;
|
|
hci_op = HCI_OP_USER_CONFIRM_NEG_REPLY;
|
|
}
|
|
|
|
if (len != sizeof(*cp))
|
|
return cmd_status(sk, index, mgmt_op, EINVAL);
|
|
|
|
hdev = hci_dev_get(index);
|
|
if (!hdev)
|
|
return cmd_status(sk, index, mgmt_op, ENODEV);
|
|
|
|
hci_dev_lock_bh(hdev);
|
|
|
|
if (!test_bit(HCI_UP, &hdev->flags)) {
|
|
err = cmd_status(sk, index, mgmt_op, ENETDOWN);
|
|
goto failed;
|
|
}
|
|
|
|
cmd = mgmt_pending_add(sk, mgmt_op, index, data, len);
|
|
if (!cmd) {
|
|
err = -ENOMEM;
|
|
goto failed;
|
|
}
|
|
|
|
err = hci_send_cmd(hdev, hci_op, sizeof(cp->bdaddr), &cp->bdaddr);
|
|
if (err < 0)
|
|
mgmt_pending_remove(cmd);
|
|
|
|
failed:
|
|
hci_dev_unlock_bh(hdev);
|
|
hci_dev_put(hdev);
|
|
|
|
return err;
|
|
}
|
|
|
|
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
|
|
{
|
|
unsigned char *buf;
|
|
struct mgmt_hdr *hdr;
|
|
u16 opcode, index, len;
|
|
int err;
|
|
|
|
BT_DBG("got %zu bytes", msglen);
|
|
|
|
if (msglen < sizeof(*hdr))
|
|
return -EINVAL;
|
|
|
|
buf = kmalloc(msglen, GFP_ATOMIC);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
if (memcpy_fromiovec(buf, msg->msg_iov, msglen)) {
|
|
err = -EFAULT;
|
|
goto done;
|
|
}
|
|
|
|
hdr = (struct mgmt_hdr *) buf;
|
|
opcode = get_unaligned_le16(&hdr->opcode);
|
|
index = get_unaligned_le16(&hdr->index);
|
|
len = get_unaligned_le16(&hdr->len);
|
|
|
|
if (len != msglen - sizeof(*hdr)) {
|
|
err = -EINVAL;
|
|
goto done;
|
|
}
|
|
|
|
switch (opcode) {
|
|
case MGMT_OP_READ_VERSION:
|
|
err = read_version(sk);
|
|
break;
|
|
case MGMT_OP_READ_INDEX_LIST:
|
|
err = read_index_list(sk);
|
|
break;
|
|
case MGMT_OP_READ_INFO:
|
|
err = read_controller_info(sk, index);
|
|
break;
|
|
case MGMT_OP_SET_POWERED:
|
|
err = set_powered(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_SET_DISCOVERABLE:
|
|
err = set_discoverable(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_SET_CONNECTABLE:
|
|
err = set_connectable(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_SET_PAIRABLE:
|
|
err = set_pairable(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_ADD_UUID:
|
|
err = add_uuid(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_REMOVE_UUID:
|
|
err = remove_uuid(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_SET_DEV_CLASS:
|
|
err = set_dev_class(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_SET_SERVICE_CACHE:
|
|
err = set_service_cache(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_LOAD_KEYS:
|
|
err = load_keys(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_REMOVE_KEY:
|
|
err = remove_key(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_DISCONNECT:
|
|
err = disconnect(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_GET_CONNECTIONS:
|
|
err = get_connections(sk, index);
|
|
break;
|
|
case MGMT_OP_PIN_CODE_REPLY:
|
|
err = pin_code_reply(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_PIN_CODE_NEG_REPLY:
|
|
err = pin_code_neg_reply(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_SET_IO_CAPABILITY:
|
|
err = set_io_capability(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_PAIR_DEVICE:
|
|
err = pair_device(sk, index, buf + sizeof(*hdr), len);
|
|
break;
|
|
case MGMT_OP_USER_CONFIRM_REPLY:
|
|
err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 1);
|
|
break;
|
|
case MGMT_OP_USER_CONFIRM_NEG_REPLY:
|
|
err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 0);
|
|
break;
|
|
default:
|
|
BT_DBG("Unknown op %u", opcode);
|
|
err = cmd_status(sk, index, opcode, 0x01);
|
|
break;
|
|
}
|
|
|
|
if (err < 0)
|
|
goto done;
|
|
|
|
err = msglen;
|
|
|
|
done:
|
|
kfree(buf);
|
|
return err;
|
|
}
|
|
|
|
int mgmt_index_added(u16 index)
|
|
{
|
|
return mgmt_event(MGMT_EV_INDEX_ADDED, index, NULL, 0, NULL);
|
|
}
|
|
|
|
int mgmt_index_removed(u16 index)
|
|
{
|
|
return mgmt_event(MGMT_EV_INDEX_REMOVED, index, NULL, 0, NULL);
|
|
}
|
|
|
|
struct cmd_lookup {
|
|
u8 val;
|
|
struct sock *sk;
|
|
};
|
|
|
|
static void mode_rsp(struct pending_cmd *cmd, void *data)
|
|
{
|
|
struct mgmt_mode *cp = cmd->cmd;
|
|
struct cmd_lookup *match = data;
|
|
|
|
if (cp->val != match->val)
|
|
return;
|
|
|
|
send_mode_rsp(cmd->sk, cmd->opcode, cmd->index, cp->val);
|
|
|
|
list_del(&cmd->list);
|
|
|
|
if (match->sk == NULL) {
|
|
match->sk = cmd->sk;
|
|
sock_hold(match->sk);
|
|
}
|
|
|
|
mgmt_pending_free(cmd);
|
|
}
|
|
|
|
int mgmt_powered(u16 index, u8 powered)
|
|
{
|
|
struct mgmt_mode ev;
|
|
struct cmd_lookup match = { powered, NULL };
|
|
int ret;
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_POWERED, index, mode_rsp, &match);
|
|
|
|
ev.val = powered;
|
|
|
|
ret = mgmt_event(MGMT_EV_POWERED, index, &ev, sizeof(ev), match.sk);
|
|
|
|
if (match.sk)
|
|
sock_put(match.sk);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int mgmt_discoverable(u16 index, u8 discoverable)
|
|
{
|
|
struct mgmt_mode ev;
|
|
struct cmd_lookup match = { discoverable, NULL };
|
|
int ret;
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_DISCOVERABLE, index, mode_rsp, &match);
|
|
|
|
ev.val = discoverable;
|
|
|
|
ret = mgmt_event(MGMT_EV_DISCOVERABLE, index, &ev, sizeof(ev),
|
|
match.sk);
|
|
|
|
if (match.sk)
|
|
sock_put(match.sk);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int mgmt_connectable(u16 index, u8 connectable)
|
|
{
|
|
struct mgmt_mode ev;
|
|
struct cmd_lookup match = { connectable, NULL };
|
|
int ret;
|
|
|
|
mgmt_pending_foreach(MGMT_OP_SET_CONNECTABLE, index, mode_rsp, &match);
|
|
|
|
ev.val = connectable;
|
|
|
|
ret = mgmt_event(MGMT_EV_CONNECTABLE, index, &ev, sizeof(ev), match.sk);
|
|
|
|
if (match.sk)
|
|
sock_put(match.sk);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type)
|
|
{
|
|
struct mgmt_ev_new_key ev;
|
|
|
|
memset(&ev, 0, sizeof(ev));
|
|
|
|
bacpy(&ev.key.bdaddr, &key->bdaddr);
|
|
ev.key.type = key->type;
|
|
memcpy(ev.key.val, key->val, 16);
|
|
ev.key.pin_len = key->pin_len;
|
|
ev.old_key_type = old_key_type;
|
|
|
|
return mgmt_event(MGMT_EV_NEW_KEY, index, &ev, sizeof(ev), NULL);
|
|
}
|
|
|
|
int mgmt_connected(u16 index, bdaddr_t *bdaddr)
|
|
{
|
|
struct mgmt_ev_connected ev;
|
|
|
|
bacpy(&ev.bdaddr, bdaddr);
|
|
|
|
return mgmt_event(MGMT_EV_CONNECTED, index, &ev, sizeof(ev), NULL);
|
|
}
|
|
|
|
static void disconnect_rsp(struct pending_cmd *cmd, void *data)
|
|
{
|
|
struct mgmt_cp_disconnect *cp = cmd->cmd;
|
|
struct sock **sk = data;
|
|
struct mgmt_rp_disconnect rp;
|
|
|
|
bacpy(&rp.bdaddr, &cp->bdaddr);
|
|
|
|
cmd_complete(cmd->sk, cmd->index, MGMT_OP_DISCONNECT, &rp, sizeof(rp));
|
|
|
|
*sk = cmd->sk;
|
|
sock_hold(*sk);
|
|
|
|
mgmt_pending_remove(cmd);
|
|
}
|
|
|
|
int mgmt_disconnected(u16 index, bdaddr_t *bdaddr)
|
|
{
|
|
struct mgmt_ev_disconnected ev;
|
|
struct sock *sk = NULL;
|
|
int err;
|
|
|
|
mgmt_pending_foreach(MGMT_OP_DISCONNECT, index, disconnect_rsp, &sk);
|
|
|
|
bacpy(&ev.bdaddr, bdaddr);
|
|
|
|
err = mgmt_event(MGMT_EV_DISCONNECTED, index, &ev, sizeof(ev), sk);
|
|
|
|
if (sk)
|
|
sock_put(sk);
|
|
|
|
return err;
|
|
}
|
|
|
|
int mgmt_disconnect_failed(u16 index)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
int err;
|
|
|
|
cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, index);
|
|
if (!cmd)
|
|
return -ENOENT;
|
|
|
|
err = cmd_status(cmd->sk, index, MGMT_OP_DISCONNECT, EIO);
|
|
|
|
mgmt_pending_remove(cmd);
|
|
|
|
return err;
|
|
}
|
|
|
|
int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status)
|
|
{
|
|
struct mgmt_ev_connect_failed ev;
|
|
|
|
bacpy(&ev.bdaddr, bdaddr);
|
|
ev.status = status;
|
|
|
|
return mgmt_event(MGMT_EV_CONNECT_FAILED, index, &ev, sizeof(ev), NULL);
|
|
}
|
|
|
|
int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr)
|
|
{
|
|
struct mgmt_ev_pin_code_request ev;
|
|
|
|
bacpy(&ev.bdaddr, bdaddr);
|
|
|
|
return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, index, &ev, sizeof(ev),
|
|
NULL);
|
|
}
|
|
|
|
int mgmt_pin_code_reply_complete(u16 index, 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, index);
|
|
if (!cmd)
|
|
return -ENOENT;
|
|
|
|
bacpy(&rp.bdaddr, bdaddr);
|
|
rp.status = status;
|
|
|
|
err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_REPLY, &rp,
|
|
sizeof(rp));
|
|
|
|
mgmt_pending_remove(cmd);
|
|
|
|
return err;
|
|
}
|
|
|
|
int mgmt_pin_code_neg_reply_complete(u16 index, 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, index);
|
|
if (!cmd)
|
|
return -ENOENT;
|
|
|
|
bacpy(&rp.bdaddr, bdaddr);
|
|
rp.status = status;
|
|
|
|
err = cmd_complete(cmd->sk, index, MGMT_OP_PIN_CODE_NEG_REPLY, &rp,
|
|
sizeof(rp));
|
|
|
|
mgmt_pending_remove(cmd);
|
|
|
|
return err;
|
|
}
|
|
|
|
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value)
|
|
{
|
|
struct mgmt_ev_user_confirm_request ev;
|
|
|
|
BT_DBG("hci%u", index);
|
|
|
|
bacpy(&ev.bdaddr, bdaddr);
|
|
put_unaligned_le32(value, &ev.value);
|
|
|
|
return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, index, &ev, sizeof(ev),
|
|
NULL);
|
|
}
|
|
|
|
static int confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status,
|
|
u8 opcode)
|
|
{
|
|
struct pending_cmd *cmd;
|
|
struct mgmt_rp_user_confirm_reply rp;
|
|
int err;
|
|
|
|
cmd = mgmt_pending_find(opcode, index);
|
|
if (!cmd)
|
|
return -ENOENT;
|
|
|
|
bacpy(&rp.bdaddr, bdaddr);
|
|
rp.status = status;
|
|
err = cmd_complete(cmd->sk, index, opcode, &rp, sizeof(rp));
|
|
|
|
mgmt_pending_remove(cmd);
|
|
|
|
return err;
|
|
}
|
|
|
|
int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
|
|
{
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|
return confirm_reply_complete(index, bdaddr, status,
|
|
MGMT_OP_USER_CONFIRM_REPLY);
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|
}
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|
|
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int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
|
|
{
|
|
return confirm_reply_complete(index, bdaddr, status,
|
|
MGMT_OP_USER_CONFIRM_NEG_REPLY);
|
|
}
|
|
|
|
int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status)
|
|
{
|
|
struct mgmt_ev_auth_failed ev;
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|
|
|
bacpy(&ev.bdaddr, bdaddr);
|
|
ev.status = status;
|
|
|
|
return mgmt_event(MGMT_EV_AUTH_FAILED, index, &ev, sizeof(ev), NULL);
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|
}
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