From 3698d70469d165d01fefcad9a56172742157ff95 Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Tue, 18 Feb 2014 21:54:49 -0800 Subject: [PATCH] Bluetooth: Expose current list of identity resolving keys via debugfs 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 Signed-off-by: Johan Hedberg --- net/bluetooth/hci_core.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index e4c5b9d..e8f61b3 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -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, -- 2.7.4