diff --git a/hidl/fingerprint/Android.bp b/hidl/fingerprint/Android.bp index 479062d..e5afb6b 100644 --- a/hidl/fingerprint/Android.bp +++ b/hidl/fingerprint/Android.bp @@ -21,6 +21,16 @@ cc_binary { header_libs: ["kernel_headers.oplus"], } +cc_library { + name: "libshims_fingerprint.oplus", + srcs: ["BiometricsFingerprintShim.cpp"], + shared_libs: [ + "libcutils", + "liblog", + ], + device_specific: true, +} + cc_library_static { name: "libudfps_extension.oplus", srcs: ["UdfpsExtension.cpp"], diff --git a/hidl/fingerprint/BiometricsFingerprintShim.cpp b/hidl/fingerprint/BiometricsFingerprintShim.cpp new file mode 100644 index 0000000..2b455a4 --- /dev/null +++ b/hidl/fingerprint/BiometricsFingerprintShim.cpp @@ -0,0 +1,39 @@ +/* + * Copyright (C) 2022 The LineageOS Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#define LOG_TAG "libshims_fingerprint.oplus" + +#include + +#include +#include + +extern "C" int __system_property_get(const char* __name, char* __value) { + static auto __system_property_get_orig = reinterpret_cast( + dlsym(RTLD_NEXT, "__system_property_get")); + + if (strcmp(__name, "ro.boot.vbmeta.device_state") == 0) { + ALOGV("Returning unlocked for ro.boot.vbmeta.device_state"); + return strlen(strcpy(__value, "unlocked")); + } + + if (strcmp(__name, "ro.boot.verifiedbootstate") == 0) { + ALOGV("Returning orange for ro.boot.verifiedbootstate"); + return strlen(strcpy(__value, "orange")); + } + + return __system_property_get_orig(__name, __value); +}