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1 /*
2  * Copyright (C) 2010 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 #include <stdio.h>
18 #include <string.h>
19 #include <arpa/inet.h>
20 #include <netinet/in.h>
21 
22 #include "jni.h"
23 #include "JNIHelp.h"
24 
parse(JNIEnv * env,jstring jAddress,int port,sockaddr_storage * ss)25 int parse(JNIEnv *env, jstring jAddress, int port, sockaddr_storage *ss)
26 {
27     if (!jAddress) {
28         jniThrowNullPointerException(env, "address");
29         return -1;
30     }
31     if (port < 0 || port > 65535) {
32         jniThrowException(env, "java/lang/IllegalArgumentException", "port");
33         return -1;
34     }
35     const char *address = env->GetStringUTFChars(jAddress, NULL);
36     if (!address) {
37         // Exception already thrown.
38         return -1;
39     }
40     memset(ss, 0, sizeof(*ss));
41 
42     sockaddr_in *sin = (sockaddr_in *)ss;
43     if (inet_pton(AF_INET, address, &(sin->sin_addr)) > 0) {
44         sin->sin_family = AF_INET;
45         sin->sin_port = htons(port);
46         env->ReleaseStringUTFChars(jAddress, address);
47         return 0;
48     }
49 
50     sockaddr_in6 *sin6 = (sockaddr_in6 *)ss;
51     if (inet_pton(AF_INET6, address, &(sin6->sin6_addr)) > 0) {
52         sin6->sin6_family = AF_INET6;
53         sin6->sin6_port = htons(port);
54         env->ReleaseStringUTFChars(jAddress, address);
55         return 0;
56     }
57 
58     env->ReleaseStringUTFChars(jAddress, address);
59     jniThrowException(env, "java/lang/IllegalArgumentException", "address");
60     return -1;
61 }
62