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Fixup e4a4e7f8

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Signed-off-by: Tad <tad@spotco.us>
This commit is contained in:
Tad 2021-10-06 05:31:40 -04:00
parent e4a4e7f8de
commit 0ac035a48e
1 changed files with 120 additions and 6 deletions
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126
Patches/LineageOS-14.1/android_system_bt/0001-NO_READENCRKEYSIZE.patch
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@ -1,16 +1,22 @@
From f7fceea92ea8d1ac0ea8164d35a42721ad27aa98 Mon Sep 17 00:00:00 2001
From 6e68de32ff6200410d83d6ee7b2c91cb244f03d4 Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Wed, 6 Oct 2021 04:49:33 -0400
Date: Wed, 6 Oct 2021 05:26:50 -0400
Subject: [PATCH] Add an option to disable the assert added in fc2ca9ee
To prevent breaking Bluetooth on devices that lack such command.
This makes these devices vulnerable to CVE-2019-9506,
but the alternative is no Bluetooth...
Signed-off-by: Tad <tad@spotco.us>
Change-Id: If4853d441bdf5ad728c8637a56c8ec7785794dda
Change-Id: I437eb75f791f0bf25a18230d9ffb3bf4f8641dd7
---
Android.mk | 4 ++++
device/src/controller.c | 3 ++-
2 files changed, 6 insertions(+), 1 deletion(-)
Android.mk | 4 ++++
device/src/controller.c | 3 ++-
stack/btu/btu_hcif.c | 15 +++++++++++++--
stack/hcic/hcicmds.c | 2 ++
stack/include/hcimsgs.h | 2 ++
5 files changed, 23 insertions(+), 3 deletions(-)
diff --git a/Android.mk b/Android.mk
index b370cc06f..3fff6aa16 100644
@ -42,6 +48,114 @@ index 60820c2c0..89963dc30 100644
readable = true;
return future_new_immediate(FUTURE_SUCCESS);
diff --git a/stack/btu/btu_hcif.c b/stack/btu/btu_hcif.c
index eacf145bf..616d6d581 100644
--- a/stack/btu/btu_hcif.c
+++ b/stack/btu/btu_hcif.c
@@ -606,7 +606,7 @@ static void btu_hcif_rmt_name_request_comp_evt (UINT8 *p, UINT16 evt_len)
btm_sec_rmt_name_request_complete (bd_addr, p, status);
}
-
+#ifndef NO_READENCRKEYSIZE
const uint8_t MIN_KEY_SIZE = 7;
bool read_key_send_from_key_refresh = false;
@@ -673,6 +673,7 @@ static void read_encryption_key_size_complete_after_encryption_change(
btm_acl_encrypt_change(handle, status, 1 /* enable */);
btm_sec_encrypt_change(handle, status, 1 /* enable */);
}
+#endif
/*******************************************************************************
**
@@ -693,6 +694,7 @@ static void btu_hcif_encryption_change_evt (UINT8 *p)
STREAM_TO_UINT16 (handle, p);
STREAM_TO_UINT8 (encr_enable, p);
+#ifndef NO_READENCRKEYSIZE
if (status != HCI_SUCCESS || encr_enable == 0 ||
BTM_IsBleConnection(handle)) {
btm_acl_encrypt_change (handle, status, encr_enable);
@@ -701,6 +703,10 @@ static void btu_hcif_encryption_change_evt (UINT8 *p)
read_key_send_from_key_refresh = false;
btsnd_hcic_read_encryption_key_size(handle);
}
+#else
+ btm_acl_encrypt_change (handle, status, encr_enable);
+ btm_sec_encrypt_change (handle, status, encr_enable);
+#endif
}
/*******************************************************************************
@@ -903,7 +909,7 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
case HCI_READ_INQ_TX_POWER_LEVEL:
btm_read_inq_tx_power_complete(p);
break;
-
+#ifndef NO_READENCRKEYSIZE
case HCI_READ_ENCR_KEY_SIZE: {
UINT8 *pp = p;
@@ -923,6 +929,7 @@ static void btu_hcif_hdl_command_complete (UINT16 opcode, UINT8 *p, UINT16 evt_l
}
break;
+#endif
#if (BLE_INCLUDED == TRUE)
/* BLE Commands sComplete*/
@@ -1725,12 +1732,16 @@ static void btu_hcif_encryption_key_refresh_cmpl_evt (UINT8 *p)
if (status == HCI_SUCCESS) enc_enable = 1;
+#ifndef NO_READENCRKEYSIZE
if (status != HCI_SUCCESS || BTM_IsBleConnection(handle)) {
btm_sec_encrypt_change (handle, status, enc_enable);
} else {
read_key_send_from_key_refresh = true;
btsnd_hcic_read_encryption_key_size(handle);
}
+#else
+ btm_sec_encrypt_change (handle, status, enc_enable);
+#endif
}
static void btu_ble_process_adv_pkt (UINT8 *p)
diff --git a/stack/hcic/hcicmds.c b/stack/hcic/hcicmds.c
index ba1f6d4fe..233306759 100644
--- a/stack/hcic/hcicmds.c
+++ b/stack/hcic/hcicmds.c
@@ -1371,6 +1371,7 @@ BOOLEAN btsnd_hcic_read_rssi (UINT16 handle)
return (TRUE);
}
+#ifndef NO_READENCRKEYSIZE
BOOLEAN btsnd_hcic_read_encryption_key_size(UINT16 handle) {
BT_HDR *p = (BT_HDR *)osi_malloc(HCI_CMD_BUF_SIZE);
UINT8 *pp = (UINT8 *)(p + 1);
@@ -1386,6 +1387,7 @@ BOOLEAN btsnd_hcic_read_encryption_key_size(UINT16 handle) {
btu_hcif_send_cmd (LOCAL_BR_EDR_CONTROLLER_ID, p);
return (TRUE);
}
+#endif
BOOLEAN btsnd_hcic_enable_test_mode (void)
{
diff --git a/stack/include/hcimsgs.h b/stack/include/hcimsgs.h
index a79edc4bc..630d372ad 100644
--- a/stack/include/hcimsgs.h
+++ b/stack/include/hcimsgs.h
@@ -607,7 +607,9 @@ extern BOOLEAN btsnd_hcic_write_cur_iac_lap (UINT8 num_cur_iac,
extern BOOLEAN btsnd_hcic_get_link_quality (UINT16 handle); /* Get Link Quality */
extern BOOLEAN btsnd_hcic_read_rssi (UINT16 handle); /* Read RSSI */
+#ifndef NO_READENCRKEYSIZE
extern BOOLEAN btsnd_hcic_read_encryption_key_size (UINT16 handle); /* Read encryption key size */
+#endif
extern BOOLEAN btsnd_hcic_enable_test_mode (void); /* Enable Device Under Test Mode */
extern BOOLEAN btsnd_hcic_write_pagescan_type(UINT8 type); /* Write Page Scan Type */
extern BOOLEAN btsnd_hcic_write_inqscan_type(UINT8 type); /* Write Inquiry Scan Type */
--
2.31.1