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
25int 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