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
initJavaClass(JNIEnv * env)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
createProxy(JNIEnv * env,jfieldID ptype_ID,const char * phost,unsigned short pport)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