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| author | Marcel Holtmann <marcel@holtmann.org> | 2013-10-18 15:56:57 -0700 |
|---|---|---|
| committer | Johan Hedberg <johan.hedberg@intel.com> | 2013-10-19 16:26:20 +0300 |
| commit | 8f8625cd8067827e2450e4ddec20f5521896114a (patch) | |
| tree | 52fd09b8785177b87dee0151370b95cf5d4e2f31 /net/bluetooth | |
| parent | d0f729b8c1d8be495d3fc5fdeca2a7093280e85e (diff) | |
| download | linux-stable-8f8625cd8067827e2450e4ddec20f5521896114a.tar.gz linux-stable-8f8625cd8067827e2450e4ddec20f5521896114a.tar.bz2 linux-stable-8f8625cd8067827e2450e4ddec20f5521896114a.zip | |
Bluetooth: Expose current list of long term keys via debugfs
For debugging purposes expose the current list of long term keys
via debugfs. This file is read-only and limited to root access.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_core.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 8710d1febee7..6b1844f00fbf 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -385,6 +385,36 @@ static const struct file_operations static_address_fops = { .release = single_release, }; +static int long_term_keys_show(struct seq_file *f, void *ptr) +{ + struct hci_dev *hdev = f->private; + struct list_head *p, *n; + + hci_dev_lock(hdev); + list_for_each_safe(p, n, &hdev->link_keys) { + struct smp_ltk *ltk = list_entry(p, struct smp_ltk, list); + seq_printf(f, "%pMR (type %u) %u %u %u %.4x %*phN %*phN\\n", + <k->bdaddr, ltk->bdaddr_type, ltk->authenticated, + ltk->type, ltk->enc_size, __le16_to_cpu(ltk->ediv), + 8, ltk->rand, 16, ltk->val); + } + hci_dev_unlock(hdev); + + return 0; +} + +static int long_term_keys_open(struct inode *inode, struct file *file) +{ + return single_open(file, long_term_keys_show, inode->i_private); +} + +static const struct file_operations long_term_keys_fops = { + .open = long_term_keys_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + /* ---- HCI requests ---- */ static void hci_req_sync_complete(struct hci_dev *hdev, u8 result) @@ -1121,6 +1151,8 @@ static int __hci_init(struct hci_dev *hdev) &hdev->le_white_list_size); debugfs_create_file("static_address", 0444, hdev->debugfs, hdev, &static_address_fops); + debugfs_create_file("long_term_keys", 0400, hdev->debugfs, + hdev, &long_term_keys_fops); } return 0; |