| 1 | /* |
| 2 | * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Oracle designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Oracle in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 22 | * or visit www.oracle.com if you need additional information or have any |
| 23 | * questions. |
| 24 | */ |
| 25 | |
| 26 | #include "jni.h" |
| 27 | #include "jni_util.h" |
| 28 | |
| 29 | #include "proxy_util.h" |
| 30 | |
| 31 | jclass proxy_class; |
| 32 | jclass isaddr_class; |
| 33 | jclass ptype_class; |
| 34 | jmethodID isaddr_createUnresolvedID; |
| 35 | jmethodID proxy_ctrID; |
| 36 | jfieldID pr_no_proxyID; |
| 37 | jfieldID ptype_httpID; |
| 38 | jfieldID ptype_socksID; |
| 39 | |
| 40 | int initJavaClass(JNIEnv *env) { |
| 41 | jclass proxy_cls = NULL; |
| 42 | jclass ptype_cls = NULL; |
| 43 | jclass isaddr_cls = NULL; |
| 44 | |
| 45 | // Proxy initialization |
| 46 | proxy_cls = (*env)->FindClass(env,"java/net/Proxy" ); |
| 47 | CHECK_NULL_RETURN(proxy_cls, 0); |
| 48 | proxy_class = (*env)->NewGlobalRef(env, proxy_cls); |
| 49 | CHECK_NULL_RETURN(proxy_class, 0); |
| 50 | proxy_ctrID = (*env)->GetMethodID(env, proxy_class, "<init>" , |
| 51 | "(Ljava/net/Proxy$Type;Ljava/net/SocketAddress;)V" ); |
| 52 | CHECK_NULL_RETURN(proxy_ctrID, 0); |
| 53 | |
| 54 | // Proxy$Type initialization |
| 55 | ptype_cls = (*env)->FindClass(env,"java/net/Proxy$Type" ); |
| 56 | CHECK_NULL_RETURN(ptype_cls, 0); |
| 57 | ptype_class = (*env)->NewGlobalRef(env, ptype_cls); |
| 58 | CHECK_NULL_RETURN(ptype_class, 0); |
| 59 | ptype_httpID = (*env)->GetStaticFieldID(env, ptype_class, "HTTP" , |
| 60 | "Ljava/net/Proxy$Type;" ); |
| 61 | CHECK_NULL_RETURN(ptype_httpID, 0); |
| 62 | ptype_socksID = (*env)->GetStaticFieldID(env, ptype_class, "SOCKS" , |
| 63 | "Ljava/net/Proxy$Type;" ); |
| 64 | CHECK_NULL_RETURN(ptype_socksID, 0); |
| 65 | |
| 66 | // NO_PROXY |
| 67 | pr_no_proxyID = (*env)->GetStaticFieldID(env, proxy_class, "NO_PROXY" , |
| 68 | "Ljava/net/Proxy;" ); |
| 69 | CHECK_NULL_RETURN(pr_no_proxyID, 0); |
| 70 | |
| 71 | // InetSocketAddress initialization |
| 72 | isaddr_cls = (*env)->FindClass(env, "java/net/InetSocketAddress" ); |
| 73 | CHECK_NULL_RETURN(isaddr_cls, 0); |
| 74 | isaddr_class = (*env)->NewGlobalRef(env, isaddr_cls); |
| 75 | CHECK_NULL_RETURN(isaddr_class, 0); |
| 76 | isaddr_createUnresolvedID = (*env)->GetStaticMethodID(env, isaddr_class, |
| 77 | "createUnresolved" , |
| 78 | "(Ljava/lang/String;I)Ljava/net/InetSocketAddress;" ); |
| 79 | |
| 80 | return isaddr_createUnresolvedID != NULL ? 1 : 0; |
| 81 | } |
| 82 | |
| 83 | jobject createProxy(JNIEnv *env, jfieldID ptype_ID, const char* phost, unsigned short pport) { |
| 84 | jobject jProxy = NULL; |
| 85 | jobject type_proxy = NULL; |
| 86 | type_proxy = (*env)->GetStaticObjectField(env, ptype_class, ptype_ID); |
| 87 | if (type_proxy) { |
| 88 | jstring jhost = NULL; |
| 89 | jhost = (*env)->NewStringUTF(env, phost); |
| 90 | if (jhost) { |
| 91 | jobject isa = NULL; |
| 92 | isa = (*env)->CallStaticObjectMethod(env, isaddr_class, |
| 93 | isaddr_createUnresolvedID, jhost, pport); |
| 94 | if (isa) { |
| 95 | jProxy = (*env)->NewObject(env, proxy_class, proxy_ctrID, |
| 96 | type_proxy, isa); |
| 97 | } |
| 98 | } |
| 99 | } |
| 100 | return jProxy; |
| 101 | } |
| 102 | |