[PATCH 1/2] android/hid: Reject connections from unknown devices
From: Jakub Tyszkowski <hidden>
Date: 2014-08-21 10:04:47
Subsystem:
the rest · Maintainer:
Linus Torvalds
--- android/hidhost.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/android/hidhost.c b/android/hidhost.c
index da5f818..07985d8 100644
--- a/android/hidhost.c
+++ b/android/hidhost.c@@ -1410,6 +1410,20 @@ static void connect_cb(GIOChannel *chan, GError *err, gpointer user_data) ba2str(&dst, address); DBG("Incoming connection from %s on PSM %d", address, psm); + if (!bt_device_is_bonded(&dst)) { + uint8_t hdr = (HID_MSG_CONTROL | HID_VIRTUAL_CABLE_UNPLUG); + int sk = g_io_channel_unix_get_fd(chan); + + warn("hidhost: Rejected connection from unknown device %s", + address); + + if (write(sk, &hdr, sizeof(hdr)) < 0) + error("hidhost: Unable to send virtual cable unplug"); + + g_io_channel_shutdown(chan, TRUE, NULL); + return; + } + switch (psm) { case L2CAP_PSM_HIDP_CTRL: l = g_slist_find_custom(devices, &dst, device_cmp);
--
1.9.1