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Bluetooth: Expose current list of identity resolving keys via debugfs

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For debugging purposes expose the current list of identity resolving
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>
This commit is contained in:
Marcel Holtmann 2014-02-18 21:54:49 -08:00 committed by Johan Hedberg
parent edb4b46651
commit 3698d70469
1 changed files with 33 additions and 0 deletions
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33
net/bluetooth/hci_core.c
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@ -599,6 +599,36 @@ static int own_address_type_get(void *data, u64 *val)
DEFINE_SIMPLE_ATTRIBUTE(own_address_type_fops, own_address_type_get,
own_address_type_set, "%llu\n");
static int identity_resolving_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->identity_resolving_keys) {
struct smp_irk *irk = list_entry(p, struct smp_irk, list);
seq_printf(f, "%pMR (type %u) %*phN %pMR\n",
&irk->bdaddr, irk->addr_type,
16, irk->val, &irk->rpa);
}
hci_dev_unlock(hdev);
return 0;
}
static int identity_resolving_keys_open(struct inode *inode, struct file *file)
{
return single_open(file, identity_resolving_keys_show,
inode->i_private);
}
static const struct file_operations identity_resolving_keys_fops = {
.open = identity_resolving_keys_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int long_term_keys_show(struct seq_file *f, void *ptr)
{
struct hci_dev *hdev = f->private;
@ -1512,6 +1542,9 @@ static int __hci_init(struct hci_dev *hdev)
hdev, &static_address_fops);
debugfs_create_file("own_address_type", 0644, hdev->debugfs,
hdev, &own_address_type_fops);
debugfs_create_file("identity_resolving_keys", 0400,
hdev->debugfs, hdev,
&identity_resolving_keys_fops);
debugfs_create_file("long_term_keys", 0400, hdev->debugfs,
hdev, &long_term_keys_fops);
debugfs_create_file("conn_min_interval", 0644, hdev->debugfs,