tequilaOS/platform_system_vold
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Send earlyBootEnded notice to all Keymasters

Browse source 
Vold incorrectly sends the earlyBootEnded signal only to the Keymaster
instance used for device encryption, but all of them need it.

Bug: 152932559
Test: VtsHalKeymasterV4_1TargetTest
Merged-In: Id8f01a1dc7d2398395f369c3ea74656a82888829
Change-Id: Id8f01a1dc7d2398395f369c3ea74656a82888829
This commit is contained in:
Shawn Willden 2020-04-01 10:02:16 -06:00
parent 479588c68e
commit 28eddbd2ef
3 changed files with 19 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

20
Keymaster.cpp
View file

@ -229,13 +229,19 @@ bool Keymaster::isSecure() {
}
void Keymaster::earlyBootEnded() {
auto error = mDevice->earlyBootEnded();
if (!error.isOk()) {
LOG(ERROR) << "earlyBootEnded failed: " << error.description();
}
km::V4_1_ErrorCode km_error = error;
if (km_error != km::V4_1_ErrorCode::OK && km_error != km::V4_1_ErrorCode::UNIMPLEMENTED) {
LOG(ERROR) << "Error reporting early boot ending to keymaster: " << int32_t(km_error);
auto devices = KmDevice::enumerateAvailableDevices();
for (auto& dev : devices) {
auto error = dev->earlyBootEnded();
if (!error.isOk()) {
LOG(ERROR) << "earlyBootEnded call failed: " << error.description() << " for "
<< dev->halVersion().keymasterName;
}
km::V4_1_ErrorCode km_error = error;
if (km_error != km::V4_1_ErrorCode::OK && km_error != km::V4_1_ErrorCode::UNIMPLEMENTED) {
LOG(ERROR) << "Error reporting early boot ending to keymaster: "
<< static_cast<int32_t>(km_error) << " for "
<< dev->halVersion().keymasterName;
}
}
}

6
Keymaster.h
View file

@ -128,9 +128,9 @@ class Keymaster {
km::AuthorizationSet* outParams);
bool isSecure();
// Tell Keymaster that early boot has ended and early boot-only keys can no longer be created or
// used.
void earlyBootEnded();
// Tell all Keymaster instances that early boot has ended and early boot-only keys can no longer
// be created or used.
static void earlyBootEnded();
private:
std::unique_ptr<KmDevice> mDevice;

10
MetadataCrypt.cpp
View file

@ -87,13 +87,9 @@ const KeyGeneration makeGen(const CryptoOptions& options) {
}
static bool mount_via_fs_mgr(const char* mount_point, const char* blk_device) {
// We're about to mount data not verified by verified boot. Tell Keymaster that early boot has
// ended.
//
// TODO(paulcrowley): Make a Keymaster singleton or something, so we don't have to repeatedly
// open and initialize the service.
::android::vold::Keymaster keymaster;
keymaster.earlyBootEnded();
// We're about to mount data not verified by verified boot. Tell Keymaster instances that early
// boot has ended.
::android::vold::Keymaster::earlyBootEnded();
// fs_mgr_do_mount runs fsck. Use setexeccon to run trusted
// partitions in the fsck domain.