1 /* 2 * Copyright 2011, The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #define LOG_TAG "NMST_QTagUidNative" 18 #include <utils/Log.h> 19 20 #include <nativehelper/JNIHelp.h> 21 22 #include "jni.h" 23 #include <utils/misc.h> 24 #include <cutils/qtaguid.h> 25 26 #include <errno.h> 27 #include <fcntl.h> 28 #include <sys/types.h> 29 #include <sys/socket.h> 30 31 namespace android { 32 33 static jint QTagUid_tagSocketFd(JNIEnv* env, jclass, 34 jobject fileDescriptor, 35 jint tagNum, jint uid) { 36 int userFd = jniGetFDFromFileDescriptor(env, fileDescriptor); 37 38 if (env->ExceptionCheck()) { 39 ALOGE("Can't get FileDescriptor num"); 40 return (jint)-1; 41 } 42 43 int res = qtaguid_tagSocket(userFd, tagNum, uid); 44 if (res < 0) { 45 return (jint)-errno; 46 } 47 return (jint)res; 48 } 49 50 static jint QTagUid_untagSocketFd(JNIEnv* env, jclass, 51 jobject fileDescriptor) { 52 int userFd = jniGetFDFromFileDescriptor(env, fileDescriptor); 53 54 if (env->ExceptionCheck()) { 55 ALOGE("Can't get FileDescriptor num"); 56 return (jint)-1; 57 } 58 59 int res = qtaguid_untagSocket(userFd); 60 if (res < 0) { 61 return (jint)-errno; 62 } 63 return (jint)res; 64 } 65 66 static jint QTagUid_setCounterSet(JNIEnv* env, jclass, 67 jint setNum, jint uid) { 68 69 int res = qtaguid_setCounterSet(setNum, uid); 70 if (res < 0) { 71 return (jint)-errno; 72 } 73 return (jint)res; 74 } 75 76 static jint QTagUid_deleteTagData(JNIEnv* env, jclass, 77 jint tagNum, jint uid) { 78 79 int res = qtaguid_deleteTagData(tagNum, uid); 80 if (res < 0) { 81 return (jint)-errno; 82 } 83 return (jint)res; 84 } 85 86 static const JNINativeMethod gQTagUidMethods[] = { 87 { "native_tagSocketFd", "(Ljava/io/FileDescriptor;II)I", (void*)QTagUid_tagSocketFd}, 88 { "native_untagSocketFd", "(Ljava/io/FileDescriptor;)I", (void*)QTagUid_untagSocketFd}, 89 { "native_setCounterSet", "(II)I", (void*)QTagUid_setCounterSet}, 90 { "native_deleteTagData", "(II)I", (void*)QTagUid_deleteTagData}, 91 }; 92 93 int register_android_server_NetworkManagementSocketTagger(JNIEnv* env) { 94 return jniRegisterNativeMethods(env, "com/android/server/NetworkManagementSocketTagger", gQTagUidMethods, NELEM(gQTagUidMethods)); 95 } 96 97 }; 98
