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 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