433 lines
16 KiB
C++
433 lines
16 KiB
C++
/*
|
|
* Copyright (C) 2017 The Android Open Source Project
|
|
* 2022-2024 The LineageOS Project
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#define LOG_TAG "android.hardware.biometrics.fingerprint@2.3-service.xiaomi"
|
|
|
|
#include <hardware/hw_auth_token.h>
|
|
|
|
#include <android-base/strings.h>
|
|
#include <hardware/hardware.h>
|
|
#include "BiometricsFingerprint.h"
|
|
#include "UdfpsHandler.h"
|
|
|
|
#include <android-base/properties.h>
|
|
#include <inttypes.h>
|
|
#include <unistd.h>
|
|
|
|
namespace {
|
|
|
|
typedef struct fingerprint_hal {
|
|
const char* class_name;
|
|
const bool is_udfps;
|
|
} fingerprint_hal_t;
|
|
|
|
static const fingerprint_hal_t kModules[] = {
|
|
{"fortsense", false}, {"fpc", false}, {"fpc_fod", true}, {"goodix", false},
|
|
{"goodix_fod", true}, {"goodix_fod6", true}, {"silead", false}, {"syna", true},
|
|
};
|
|
|
|
} // anonymous namespace
|
|
|
|
namespace android {
|
|
namespace hardware {
|
|
namespace biometrics {
|
|
namespace fingerprint {
|
|
namespace V2_3 {
|
|
namespace implementation {
|
|
|
|
// Supported fingerprint HAL version
|
|
static const uint16_t kVersion = HARDWARE_MODULE_API_VERSION(2, 1);
|
|
|
|
using RequestStatus = android::hardware::biometrics::fingerprint::V2_1::RequestStatus;
|
|
|
|
using ::android::base::SetProperty;
|
|
using ::android::base::StartsWith;
|
|
|
|
BiometricsFingerprint* BiometricsFingerprint::sInstance = nullptr;
|
|
|
|
BiometricsFingerprint::BiometricsFingerprint()
|
|
: mClientCallback(nullptr),
|
|
mDevice(nullptr),
|
|
mUdfpsHandlerFactory(nullptr),
|
|
mUdfpsHandler(nullptr) {
|
|
sInstance = this; // keep track of the most recent instance
|
|
for (auto& [class_name, is_udfps] : kModules) {
|
|
mDevice = openHal(class_name);
|
|
if (!mDevice) {
|
|
ALOGE("Can't open HAL module, class %s", class_name);
|
|
continue;
|
|
}
|
|
|
|
ALOGI("Opened fingerprint HAL, class %s", class_name);
|
|
mIsUdfps = is_udfps;
|
|
SetProperty("persist.vendor.sys.fp.vendor", class_name);
|
|
break;
|
|
}
|
|
if (!mDevice) {
|
|
ALOGE("Can't open any HAL module");
|
|
SetProperty("persist.vendor.sys.fp.vendor", "none");
|
|
}
|
|
|
|
if (mIsUdfps) {
|
|
SetProperty("ro.hardware.fp.udfps", "true");
|
|
|
|
mUdfpsHandlerFactory = getUdfpsHandlerFactory();
|
|
if (!mUdfpsHandlerFactory) {
|
|
ALOGE("Can't get UdfpsHandlerFactory");
|
|
} else {
|
|
mUdfpsHandler = mUdfpsHandlerFactory->create();
|
|
if (!mUdfpsHandler) {
|
|
ALOGE("Can't create UdfpsHandler");
|
|
} else {
|
|
mUdfpsHandler->init(mDevice);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
BiometricsFingerprint::~BiometricsFingerprint() {
|
|
ALOGV("~BiometricsFingerprint()");
|
|
if (mUdfpsHandler) {
|
|
mUdfpsHandlerFactory->destroy(mUdfpsHandler);
|
|
}
|
|
if (mDevice == nullptr) {
|
|
ALOGE("No valid device");
|
|
return;
|
|
}
|
|
int err;
|
|
if (0 != (err = mDevice->common.close(reinterpret_cast<hw_device_t*>(mDevice)))) {
|
|
ALOGE("Can't close fingerprint module, error: %d", err);
|
|
return;
|
|
}
|
|
mDevice = nullptr;
|
|
}
|
|
|
|
Return<RequestStatus> BiometricsFingerprint::ErrorFilter(int32_t error) {
|
|
switch (error) {
|
|
case 0:
|
|
return RequestStatus::SYS_OK;
|
|
case -2:
|
|
return RequestStatus::SYS_ENOENT;
|
|
case -4:
|
|
return RequestStatus::SYS_EINTR;
|
|
case -5:
|
|
return RequestStatus::SYS_EIO;
|
|
case -11:
|
|
return RequestStatus::SYS_EAGAIN;
|
|
case -12:
|
|
return RequestStatus::SYS_ENOMEM;
|
|
case -13:
|
|
return RequestStatus::SYS_EACCES;
|
|
case -14:
|
|
return RequestStatus::SYS_EFAULT;
|
|
case -16:
|
|
return RequestStatus::SYS_EBUSY;
|
|
case -22:
|
|
return RequestStatus::SYS_EINVAL;
|
|
case -28:
|
|
return RequestStatus::SYS_ENOSPC;
|
|
case -110:
|
|
return RequestStatus::SYS_ETIMEDOUT;
|
|
default:
|
|
ALOGE("An unknown error returned from fingerprint vendor library: %d", error);
|
|
return RequestStatus::SYS_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
// Translate from errors returned by traditional HAL (see fingerprint.h) to
|
|
// HIDL-compliant FingerprintError.
|
|
FingerprintError BiometricsFingerprint::VendorErrorFilter(int32_t error, int32_t* vendorCode) {
|
|
*vendorCode = 0;
|
|
switch (error) {
|
|
case FINGERPRINT_ERROR_HW_UNAVAILABLE:
|
|
return FingerprintError::ERROR_HW_UNAVAILABLE;
|
|
case FINGERPRINT_ERROR_UNABLE_TO_PROCESS:
|
|
return FingerprintError::ERROR_UNABLE_TO_PROCESS;
|
|
case FINGERPRINT_ERROR_TIMEOUT:
|
|
return FingerprintError::ERROR_TIMEOUT;
|
|
case FINGERPRINT_ERROR_NO_SPACE:
|
|
return FingerprintError::ERROR_NO_SPACE;
|
|
case FINGERPRINT_ERROR_CANCELED:
|
|
return FingerprintError::ERROR_CANCELED;
|
|
case FINGERPRINT_ERROR_UNABLE_TO_REMOVE:
|
|
return FingerprintError::ERROR_UNABLE_TO_REMOVE;
|
|
case FINGERPRINT_ERROR_LOCKOUT:
|
|
return FingerprintError::ERROR_LOCKOUT;
|
|
default:
|
|
if (error >= FINGERPRINT_ERROR_VENDOR_BASE) {
|
|
// vendor specific code.
|
|
*vendorCode = error - FINGERPRINT_ERROR_VENDOR_BASE;
|
|
return FingerprintError::ERROR_VENDOR;
|
|
}
|
|
}
|
|
ALOGE("Unknown error from fingerprint vendor library: %d", error);
|
|
return FingerprintError::ERROR_UNABLE_TO_PROCESS;
|
|
}
|
|
|
|
// Translate acquired messages returned by traditional HAL (see fingerprint.h)
|
|
// to HIDL-compliant FingerprintAcquiredInfo.
|
|
FingerprintAcquiredInfo BiometricsFingerprint::VendorAcquiredFilter(int32_t info,
|
|
int32_t* vendorCode) {
|
|
*vendorCode = 0;
|
|
switch (info) {
|
|
case FINGERPRINT_ACQUIRED_GOOD:
|
|
return FingerprintAcquiredInfo::ACQUIRED_GOOD;
|
|
case FINGERPRINT_ACQUIRED_PARTIAL:
|
|
return FingerprintAcquiredInfo::ACQUIRED_PARTIAL;
|
|
case FINGERPRINT_ACQUIRED_INSUFFICIENT:
|
|
return FingerprintAcquiredInfo::ACQUIRED_INSUFFICIENT;
|
|
case FINGERPRINT_ACQUIRED_IMAGER_DIRTY:
|
|
return FingerprintAcquiredInfo::ACQUIRED_IMAGER_DIRTY;
|
|
case FINGERPRINT_ACQUIRED_TOO_SLOW:
|
|
return FingerprintAcquiredInfo::ACQUIRED_TOO_SLOW;
|
|
case FINGERPRINT_ACQUIRED_TOO_FAST:
|
|
return FingerprintAcquiredInfo::ACQUIRED_TOO_FAST;
|
|
default:
|
|
if (info >= FINGERPRINT_ACQUIRED_VENDOR_BASE) {
|
|
// vendor specific code.
|
|
*vendorCode = info - FINGERPRINT_ACQUIRED_VENDOR_BASE;
|
|
return FingerprintAcquiredInfo::ACQUIRED_VENDOR;
|
|
}
|
|
}
|
|
ALOGE("Unknown acquiredmsg from fingerprint vendor library: %d", info);
|
|
return FingerprintAcquiredInfo::ACQUIRED_INSUFFICIENT;
|
|
}
|
|
|
|
Return<uint64_t> BiometricsFingerprint::setNotify(
|
|
const sp<IBiometricsFingerprintClientCallback>& clientCallback) {
|
|
std::lock_guard<std::mutex> lock(mClientCallbackMutex);
|
|
mClientCallback = clientCallback;
|
|
// This is here because HAL 2.1 doesn't have a way to propagate a
|
|
// unique token for its driver. Subsequent versions should send a unique
|
|
// token for each call to setNotify(). This is fine as long as there's only
|
|
// one fingerprint device on the platform.
|
|
return reinterpret_cast<uint64_t>(mDevice);
|
|
}
|
|
|
|
Return<uint64_t> BiometricsFingerprint::preEnroll() {
|
|
return mDevice->pre_enroll(mDevice);
|
|
}
|
|
|
|
Return<RequestStatus> BiometricsFingerprint::enroll(const hidl_array<uint8_t, 69>& hat,
|
|
uint32_t gid, uint32_t timeoutSec) {
|
|
const hw_auth_token_t* authToken = reinterpret_cast<const hw_auth_token_t*>(hat.data());
|
|
return ErrorFilter(mDevice->enroll(mDevice, authToken, gid, timeoutSec));
|
|
}
|
|
|
|
Return<RequestStatus> BiometricsFingerprint::postEnroll() {
|
|
return ErrorFilter(mDevice->post_enroll(mDevice));
|
|
}
|
|
|
|
Return<uint64_t> BiometricsFingerprint::getAuthenticatorId() {
|
|
return mDevice->get_authenticator_id(mDevice);
|
|
}
|
|
|
|
Return<RequestStatus> BiometricsFingerprint::cancel() {
|
|
if (mUdfpsHandler) {
|
|
mUdfpsHandler->cancel();
|
|
}
|
|
return ErrorFilter(mDevice->cancel(mDevice));
|
|
}
|
|
|
|
Return<RequestStatus> BiometricsFingerprint::enumerate() {
|
|
return ErrorFilter(mDevice->enumerate(mDevice));
|
|
}
|
|
|
|
Return<RequestStatus> BiometricsFingerprint::remove(uint32_t gid, uint32_t fid) {
|
|
return ErrorFilter(mDevice->remove(mDevice, gid, fid));
|
|
}
|
|
|
|
Return<RequestStatus> BiometricsFingerprint::setActiveGroup(uint32_t gid,
|
|
const hidl_string& storePath) {
|
|
if (storePath.size() >= PATH_MAX || storePath.size() <= 0) {
|
|
ALOGE("Bad path length: %zd", storePath.size());
|
|
return RequestStatus::SYS_EINVAL;
|
|
}
|
|
std::string mutableStorePath = storePath;
|
|
if (StartsWith(mutableStorePath, "/data/system/users/")) {
|
|
mutableStorePath = "/data/vendor_de/";
|
|
mutableStorePath +=
|
|
static_cast<std::string>(storePath).substr(strlen("/data/system/users/"));
|
|
}
|
|
if (access(mutableStorePath.c_str(), W_OK)) {
|
|
return RequestStatus::SYS_EINVAL;
|
|
}
|
|
|
|
return ErrorFilter(mDevice->set_active_group(mDevice, gid, mutableStorePath.c_str()));
|
|
}
|
|
|
|
Return<RequestStatus> BiometricsFingerprint::authenticate(uint64_t operationId, uint32_t gid) {
|
|
return ErrorFilter(mDevice->authenticate(mDevice, operationId, gid));
|
|
}
|
|
|
|
Return<bool> BiometricsFingerprint::isUdfps(uint32_t /*sensorId*/) {
|
|
return mIsUdfps;
|
|
}
|
|
|
|
Return<void> BiometricsFingerprint::onFingerDown(uint32_t x, uint32_t y, float minor, float major) {
|
|
if (mUdfpsHandler) {
|
|
mUdfpsHandler->onFingerDown(x, y, minor, major);
|
|
}
|
|
|
|
return Void();
|
|
}
|
|
|
|
Return<void> BiometricsFingerprint::onFingerUp() {
|
|
if (mUdfpsHandler) {
|
|
mUdfpsHandler->onFingerUp();
|
|
}
|
|
|
|
return Void();
|
|
}
|
|
|
|
IBiometricsFingerprint* BiometricsFingerprint::getInstance() {
|
|
if (!sInstance) {
|
|
sInstance = new BiometricsFingerprint();
|
|
}
|
|
return sInstance;
|
|
}
|
|
|
|
fingerprint_device_t* BiometricsFingerprint::openHal(const char* class_name) {
|
|
int err;
|
|
const hw_module_t* hw_mdl = nullptr;
|
|
ALOGD("Opening fingerprint hal library...");
|
|
if (0 != (err = hw_get_module_by_class(FINGERPRINT_HARDWARE_MODULE_ID, class_name, &hw_mdl))) {
|
|
ALOGE("Can't open fingerprint HW Module, error: %d", err);
|
|
return nullptr;
|
|
}
|
|
|
|
if (hw_mdl == nullptr) {
|
|
ALOGE("No valid fingerprint module");
|
|
return nullptr;
|
|
}
|
|
|
|
fingerprint_module_t const* module = reinterpret_cast<const fingerprint_module_t*>(hw_mdl);
|
|
if (module->common.methods->open == nullptr) {
|
|
ALOGE("No valid open method");
|
|
return nullptr;
|
|
}
|
|
|
|
hw_device_t* device = nullptr;
|
|
|
|
if (0 != (err = module->common.methods->open(hw_mdl, nullptr, &device))) {
|
|
ALOGE("Can't open fingerprint methods, error: %d", err);
|
|
return nullptr;
|
|
}
|
|
|
|
if (kVersion != device->version) {
|
|
// enforce version on new devices because of HIDL@2.1 translation layer
|
|
ALOGE("Wrong fp version. Expected %d, got %d", kVersion, device->version);
|
|
return nullptr;
|
|
}
|
|
|
|
fingerprint_device_t* fp_device = reinterpret_cast<fingerprint_device_t*>(device);
|
|
|
|
if (0 != (err = fp_device->set_notify(fp_device, BiometricsFingerprint::notify))) {
|
|
ALOGE("Can't register fingerprint module callback, error: %d", err);
|
|
return nullptr;
|
|
}
|
|
|
|
return fp_device;
|
|
}
|
|
|
|
void BiometricsFingerprint::notify(const fingerprint_msg_t* msg) {
|
|
BiometricsFingerprint* thisPtr =
|
|
static_cast<BiometricsFingerprint*>(BiometricsFingerprint::getInstance());
|
|
std::lock_guard<std::mutex> lock(thisPtr->mClientCallbackMutex);
|
|
if (thisPtr == nullptr || thisPtr->mClientCallback == nullptr) {
|
|
ALOGE("Receiving callbacks before the client callback is registered.");
|
|
return;
|
|
}
|
|
const uint64_t devId = reinterpret_cast<uint64_t>(thisPtr->mDevice);
|
|
switch (msg->type) {
|
|
case FINGERPRINT_ERROR: {
|
|
int32_t vendorCode = 0;
|
|
FingerprintError result = VendorErrorFilter(msg->data.error, &vendorCode);
|
|
ALOGD("onError(%d)", result);
|
|
if (!thisPtr->mClientCallback->onError(devId, result, vendorCode).isOk()) {
|
|
ALOGE("failed to invoke fingerprint onError callback");
|
|
}
|
|
} break;
|
|
case FINGERPRINT_ACQUIRED: {
|
|
int32_t vendorCode = 0;
|
|
FingerprintAcquiredInfo result =
|
|
VendorAcquiredFilter(msg->data.acquired.acquired_info, &vendorCode);
|
|
ALOGD("onAcquired(%d)", result);
|
|
if (thisPtr->mUdfpsHandler) {
|
|
thisPtr->mUdfpsHandler->onAcquired(static_cast<int32_t>(result), vendorCode);
|
|
}
|
|
if (!thisPtr->mClientCallback->onAcquired(devId, result, vendorCode).isOk()) {
|
|
ALOGE("failed to invoke fingerprint onAcquired callback");
|
|
}
|
|
} break;
|
|
case FINGERPRINT_TEMPLATE_ENROLLING:
|
|
ALOGD("onEnrollResult(fid=%d, gid=%d, rem=%d)", msg->data.enroll.finger.fid,
|
|
msg->data.enroll.finger.gid, msg->data.enroll.samples_remaining);
|
|
if (!thisPtr->mClientCallback
|
|
->onEnrollResult(devId, msg->data.enroll.finger.fid,
|
|
msg->data.enroll.finger.gid,
|
|
msg->data.enroll.samples_remaining)
|
|
.isOk()) {
|
|
ALOGE("failed to invoke fingerprint onEnrollResult callback");
|
|
}
|
|
break;
|
|
case FINGERPRINT_TEMPLATE_REMOVED:
|
|
ALOGD("onRemove(fid=%d, gid=%d, rem=%d)", msg->data.removed.finger.fid,
|
|
msg->data.removed.finger.gid, msg->data.removed.remaining_templates);
|
|
if (!thisPtr->mClientCallback
|
|
->onRemoved(devId, msg->data.removed.finger.fid,
|
|
msg->data.removed.finger.gid,
|
|
msg->data.removed.remaining_templates)
|
|
.isOk()) {
|
|
ALOGE("failed to invoke fingerprint onRemoved callback");
|
|
}
|
|
break;
|
|
case FINGERPRINT_AUTHENTICATED:
|
|
if (msg->data.authenticated.finger.fid != 0) {
|
|
ALOGD("onAuthenticated(fid=%d, gid=%d)", msg->data.authenticated.finger.fid,
|
|
msg->data.authenticated.finger.gid);
|
|
const uint8_t* hat = reinterpret_cast<const uint8_t*>(&msg->data.authenticated.hat);
|
|
const hidl_vec<uint8_t> token(
|
|
std::vector<uint8_t>(hat, hat + sizeof(msg->data.authenticated.hat)));
|
|
if (!thisPtr->mClientCallback
|
|
->onAuthenticated(devId, msg->data.authenticated.finger.fid,
|
|
msg->data.authenticated.finger.gid, token)
|
|
.isOk()) {
|
|
ALOGE("failed to invoke fingerprint onAuthenticated callback");
|
|
}
|
|
} else {
|
|
// Not a recognized fingerprint
|
|
if (!thisPtr->mClientCallback
|
|
->onAuthenticated(devId, msg->data.authenticated.finger.fid,
|
|
msg->data.authenticated.finger.gid,
|
|
hidl_vec<uint8_t>())
|
|
.isOk()) {
|
|
ALOGE("failed to invoke fingerprint onAuthenticated callback");
|
|
}
|
|
}
|
|
break;
|
|
case FINGERPRINT_TEMPLATE_ENUMERATING:
|
|
ALOGD("onEnumerate(fid=%d, gid=%d, rem=%d)", msg->data.enumerated.finger.fid,
|
|
msg->data.enumerated.finger.gid, msg->data.enumerated.remaining_templates);
|
|
if (!thisPtr->mClientCallback
|
|
->onEnumerate(devId, msg->data.enumerated.finger.fid,
|
|
msg->data.enumerated.finger.gid,
|
|
msg->data.enumerated.remaining_templates)
|
|
.isOk()) {
|
|
ALOGE("failed to invoke fingerprint onEnumerate callback");
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
} // namespace implementation
|
|
} // namespace V2_3
|
|
} // namespace fingerprint
|
|
} // namespace biometrics
|
|
} // namespace hardware
|
|
} // namespace android
|