1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * This code is free software; you can redistribute it and/or modify it 5 * under the terms of the GNU General Public License version 2 only, as 6 * published by the Free Software Foundation. Google designates this 7 * particular file as subject to the "Classpath" exception as provided 8 * by Google in the LICENSE file that accompanied this code. 9 * 10 * This code is distributed in the hope that it will be useful, but WITHOUT 11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13 * version 2 for more details (a copy is included in the LICENSE file that 14 * accompanied this code). 15 * 16 * You should have received a copy of the GNU General Public License version 17 * 2 along with this work; if not, write to the Free Software Foundation, 18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 19 */ 20 21 #include <nativehelper/JNIHelp.h> 22 #include <nativehelper/JniConstants.h> 23 24 extern "C" { 25 26 int tagSocket(JNIEnv* env, int fd) { 27 if (env->ExceptionOccurred()) { return fd; } 28 jmethodID get = env->GetStaticMethodID(JniConstants::socketTaggerClass, 29 "get", "()Ldalvik/system/SocketTagger;"); 30 jobject socketTagger = 31 env->CallStaticObjectMethod(JniConstants::socketTaggerClass, get); 32 jmethodID tag = env->GetMethodID(JniConstants::socketTaggerClass, 33 "tag", "(Ljava/io/FileDescriptor;)V"); 34 35 jobject fileDescriptor = jniCreateFileDescriptor(env, fd); 36 env->CallVoidMethod(socketTagger, tag, fileDescriptor); 37 return fd; 38 } 39 40 } 41