Revert "Replace the native scrypt in SyntheticPasswordManager by"
This reverts commit 20f2f24d7bee098f0094ba1c6efb4935df7fa1c0.
Reason for revert: nativeSidFromPasswordHandle is still needed
Change-Id: I02b39d8373f2e9f286d2b5f36a7fed719cbf08ef
diff --git a/services/core/jni/Android.bp b/services/core/jni/Android.bp
index 5ffcda6..b85489a 100644
--- a/services/core/jni/Android.bp
+++ b/services/core/jni/Android.bp
@@ -31,6 +31,7 @@
"com_android_server_input_InputManagerService.cpp",
"com_android_server_lights_LightsService.cpp",
"com_android_server_location_GnssLocationProvider.cpp",
+ "com_android_server_locksettings_SyntheticPasswordManager.cpp",
"com_android_server_net_NetworkStatsService.cpp",
"com_android_server_power_PowerManagerService.cpp",
"com_android_server_security_VerityUtils.cpp",
@@ -125,6 +126,7 @@
static_libs: [
"android.hardware.broadcastradio@common-utils-1x-lib",
+ "libscrypt_static",
],
product_variables: {
diff --git a/services/core/jni/com_android_server_locksettings_SyntheticPasswordManager.cpp b/services/core/jni/com_android_server_locksettings_SyntheticPasswordManager.cpp
new file mode 100644
index 0000000..bc13fde
--- /dev/null
+++ b/services/core/jni/com_android_server_locksettings_SyntheticPasswordManager.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2016 The Android Open Source 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 "SyntheticPasswordManager"
+
+#include <nativehelper/JNIHelp.h>
+#include "jni.h"
+
+#include <android_runtime/Log.h>
+#include <utils/Timers.h>
+#include <utils/misc.h>
+#include <utils/String8.h>
+#include <utils/Log.h>
+#include <gatekeeper/password_handle.h>
+
+
+extern "C" {
+#include "crypto_scrypt.h"
+}
+
+namespace android {
+
+static jlong android_server_SyntheticPasswordManager_nativeSidFromPasswordHandle(JNIEnv* env, jobject, jbyteArray handleArray) {
+
+ jbyte* data = (jbyte*)env->GetPrimitiveArrayCritical(handleArray, NULL);
+
+ if (data != NULL) {
+ const gatekeeper::password_handle_t *handle =
+ reinterpret_cast<const gatekeeper::password_handle_t *>(data);
+ jlong sid = handle->user_id;
+ env->ReleasePrimitiveArrayCritical(handleArray, data, JNI_ABORT);
+ return sid;
+ } else {
+ return 0;
+ }
+}
+
+static jbyteArray android_server_SyntheticPasswordManager_nativeScrypt(JNIEnv* env, jobject, jbyteArray password, jbyteArray salt, jint N, jint r, jint p, jint outLen) {
+ if (!password || !salt) {
+ return NULL;
+ }
+
+ int passwordLen = env->GetArrayLength(password);
+ int saltLen = env->GetArrayLength(salt);
+ jbyteArray ret = env->NewByteArray(outLen);
+
+ jbyte* passwordPtr = (jbyte*)env->GetByteArrayElements(password, NULL);
+ jbyte* saltPtr = (jbyte*)env->GetByteArrayElements(salt, NULL);
+ jbyte* retPtr = (jbyte*)env->GetByteArrayElements(ret, NULL);
+
+ int rc = crypto_scrypt((const uint8_t *)passwordPtr, passwordLen,
+ (const uint8_t *)saltPtr, saltLen, N, r, p, (uint8_t *)retPtr,
+ outLen);
+ env->ReleaseByteArrayElements(password, passwordPtr, JNI_ABORT);
+ env->ReleaseByteArrayElements(salt, saltPtr, JNI_ABORT);
+ env->ReleaseByteArrayElements(ret, retPtr, 0);
+
+ if (!rc) {
+ return ret;
+ } else {
+ SLOGE("scrypt failed");
+ return NULL;
+ }
+}
+
+static const JNINativeMethod sMethods[] = {
+ /* name, signature, funcPtr */
+ {"nativeSidFromPasswordHandle", "([B)J", (void*)android_server_SyntheticPasswordManager_nativeSidFromPasswordHandle},
+ {"nativeScrypt", "([B[BIIII)[B", (void*)android_server_SyntheticPasswordManager_nativeScrypt},
+};
+
+int register_android_server_SyntheticPasswordManager(JNIEnv* env) {
+ return jniRegisterNativeMethods(env, "com/android/server/locksettings/SyntheticPasswordManager",
+ sMethods, NELEM(sMethods));
+}
+
+} /* namespace android */
diff --git a/services/core/jni/onload.cpp b/services/core/jni/onload.cpp
index 55cd852..918f57e 100644
--- a/services/core/jni/onload.cpp
+++ b/services/core/jni/onload.cpp
@@ -50,6 +50,7 @@
int register_android_server_PersistentDataBlockService(JNIEnv* env);
int register_android_server_Watchdog(JNIEnv* env);
int register_android_server_HardwarePropertiesManagerService(JNIEnv* env);
+int register_android_server_SyntheticPasswordManager(JNIEnv* env);
int register_android_server_GraphicsStatsService(JNIEnv* env);
int register_android_hardware_display_DisplayViewport(JNIEnv* env);
int register_android_server_net_NetworkStatsService(JNIEnv* env);
@@ -97,6 +98,7 @@
register_android_server_PersistentDataBlockService(env);
register_android_server_HardwarePropertiesManagerService(env);
register_android_server_storage_AppFuse(env);
+ register_android_server_SyntheticPasswordManager(env);
register_android_server_GraphicsStatsService(env);
register_android_hardware_display_DisplayViewport(env);
register_android_server_net_NetworkStatsService(env);