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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson
parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
313
src/java.base/share/native/libnet/net_util.c
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313
src/java.base/share/native/libnet/net_util.c
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@ -0,0 +1,313 @@
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/*
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* Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#include "net_util.h"
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#include "java_net_InetAddress.h"
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int IPv6_supported();
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int reuseport_supported();
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static int IPv6_available;
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static int REUSEPORT_available;
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JNIEXPORT jint JNICALL ipv6_available()
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{
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return IPv6_available;
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}
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JNIEXPORT jint JNICALL reuseport_available()
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{
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return REUSEPORT_available;
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}
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JNIEXPORT jint JNICALL
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DEF_JNI_OnLoad(JavaVM *vm, void *reserved)
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{
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JNIEnv *env;
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jclass iCls;
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jmethodID mid;
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jstring s;
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jint preferIPv4Stack;
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if ((*vm)->GetEnv(vm, (void**) &env, JNI_VERSION_1_2) != JNI_OK) {
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return JNI_EVERSION; /* JNI version not supported */
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}
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iCls = (*env)->FindClass(env, "java/lang/Boolean");
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CHECK_NULL_RETURN(iCls, JNI_VERSION_1_2);
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mid = (*env)->GetStaticMethodID(env, iCls, "getBoolean", "(Ljava/lang/String;)Z");
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CHECK_NULL_RETURN(mid, JNI_VERSION_1_2);
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s = (*env)->NewStringUTF(env, "java.net.preferIPv4Stack");
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CHECK_NULL_RETURN(s, JNI_VERSION_1_2);
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preferIPv4Stack = (*env)->CallStaticBooleanMethod(env, iCls, mid, s);
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/*
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* Since we have initialized and loaded the socket library we will
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* check now whether we have IPv6 on this platform and if the
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* supporting socket APIs are available
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*/
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IPv6_available = IPv6_supported() & (!preferIPv4Stack);
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/* check if SO_REUSEPORT is supported on this platform */
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REUSEPORT_available = reuseport_supported();
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platformInit();
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parseExclusiveBindProperty(env);
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return JNI_VERSION_1_2;
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}
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static int initialized = 0;
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JNIEXPORT void JNICALL initInetAddressIDs(JNIEnv *env) {
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if (!initialized) {
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Java_java_net_InetAddress_init(env, 0);
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JNU_CHECK_EXCEPTION(env);
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Java_java_net_Inet4Address_init(env, 0);
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JNU_CHECK_EXCEPTION(env);
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Java_java_net_Inet6Address_init(env, 0);
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JNU_CHECK_EXCEPTION(env);
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initialized = 1;
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}
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}
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/* The address, and family fields used to be in InetAddress
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* but are now in an implementation object. So, there is an extra
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* level of indirection to access them now.
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*/
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extern jclass iac_class;
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extern jfieldID ia_holderID;
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extern jfieldID iac_addressID;
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extern jfieldID iac_familyID;
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/**
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* set_ methods return JNI_TRUE on success JNI_FALSE on error
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* get_ methods that return +ve int return -1 on error
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* get_ methods that return objects return NULL on error.
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*/
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jobject getInet6Address_scopeifname(JNIEnv *env, jobject iaObj) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia6_holder6ID);
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CHECK_NULL_RETURN(holder, NULL);
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return (*env)->GetObjectField(env, holder, ia6_scopeifnameID);
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}
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jboolean setInet6Address_scopeifname(JNIEnv *env, jobject iaObj, jobject scopeifname) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia6_holder6ID);
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CHECK_NULL_RETURN(holder, JNI_FALSE);
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(*env)->SetObjectField(env, holder, ia6_scopeifnameID, scopeifname);
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return JNI_TRUE;
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}
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jboolean getInet6Address_scopeid_set(JNIEnv *env, jobject iaObj) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia6_holder6ID);
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CHECK_NULL_RETURN(holder, JNI_FALSE);
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return (*env)->GetBooleanField(env, holder, ia6_scopeidsetID);
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}
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unsigned int getInet6Address_scopeid(JNIEnv *env, jobject iaObj) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia6_holder6ID);
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CHECK_NULL_RETURN(holder, 0);
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return (unsigned int)(*env)->GetIntField(env, holder, ia6_scopeidID);
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}
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jboolean setInet6Address_scopeid(JNIEnv *env, jobject iaObj, int scopeid) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia6_holder6ID);
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CHECK_NULL_RETURN(holder, JNI_FALSE);
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(*env)->SetIntField(env, holder, ia6_scopeidID, scopeid);
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if (scopeid > 0) {
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(*env)->SetBooleanField(env, holder, ia6_scopeidsetID, JNI_TRUE);
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}
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return JNI_TRUE;
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}
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jboolean getInet6Address_ipaddress(JNIEnv *env, jobject iaObj, char *dest) {
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jobject holder, addr;
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holder = (*env)->GetObjectField(env, iaObj, ia6_holder6ID);
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CHECK_NULL_RETURN(holder, JNI_FALSE);
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addr = (*env)->GetObjectField(env, holder, ia6_ipaddressID);
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CHECK_NULL_RETURN(addr, JNI_FALSE);
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(*env)->GetByteArrayRegion(env, addr, 0, 16, (jbyte *)dest);
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return JNI_TRUE;
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}
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jboolean setInet6Address_ipaddress(JNIEnv *env, jobject iaObj, char *address) {
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jobject holder;
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jbyteArray addr;
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holder = (*env)->GetObjectField(env, iaObj, ia6_holder6ID);
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CHECK_NULL_RETURN(holder, JNI_FALSE);
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addr = (jbyteArray)(*env)->GetObjectField(env, holder, ia6_ipaddressID);
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if (addr == NULL) {
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addr = (*env)->NewByteArray(env, 16);
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CHECK_NULL_RETURN(addr, JNI_FALSE);
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(*env)->SetObjectField(env, holder, ia6_ipaddressID, addr);
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}
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(*env)->SetByteArrayRegion(env, addr, 0, 16, (jbyte *)address);
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return JNI_TRUE;
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}
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void setInetAddress_addr(JNIEnv *env, jobject iaObj, int address) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
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(*env)->SetIntField(env, holder, iac_addressID, address);
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}
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void setInetAddress_family(JNIEnv *env, jobject iaObj, int family) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
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(*env)->SetIntField(env, holder, iac_familyID, family);
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}
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void setInetAddress_hostName(JNIEnv *env, jobject iaObj, jobject host) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
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(*env)->SetObjectField(env, holder, iac_hostNameID, host);
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(*env)->SetObjectField(env, holder, iac_origHostNameID, host);
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}
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int getInetAddress_addr(JNIEnv *env, jobject iaObj) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
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return (*env)->GetIntField(env, holder, iac_addressID);
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}
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int getInetAddress_family(JNIEnv *env, jobject iaObj) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
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return (*env)->GetIntField(env, holder, iac_familyID);
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}
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jobject getInetAddress_hostName(JNIEnv *env, jobject iaObj) {
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jobject holder = (*env)->GetObjectField(env, iaObj, ia_holderID);
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return (*env)->GetObjectField(env, holder, iac_hostNameID);
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}
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JNIEXPORT jobject JNICALL
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NET_SockaddrToInetAddress(JNIEnv *env, SOCKETADDRESS *sa, int *port) {
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jobject iaObj;
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if (sa->sa.sa_family == AF_INET6) {
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jbyte *caddr = (jbyte *)&sa->sa6.sin6_addr;
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if (NET_IsIPv4Mapped(caddr)) {
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int address;
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iaObj = (*env)->NewObject(env, ia4_class, ia4_ctrID);
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CHECK_NULL_RETURN(iaObj, NULL);
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address = NET_IPv4MappedToIPv4(caddr);
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setInetAddress_addr(env, iaObj, address);
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setInetAddress_family(env, iaObj, java_net_InetAddress_IPv4);
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} else {
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jboolean ret;
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iaObj = (*env)->NewObject(env, ia6_class, ia6_ctrID);
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CHECK_NULL_RETURN(iaObj, NULL);
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ret = setInet6Address_ipaddress(env, iaObj, (char *)&sa->sa6.sin6_addr);
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if (ret == JNI_FALSE)
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return NULL;
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setInetAddress_family(env, iaObj, java_net_InetAddress_IPv6);
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setInet6Address_scopeid(env, iaObj, sa->sa6.sin6_scope_id);
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}
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*port = ntohs(sa->sa6.sin6_port);
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} else {
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iaObj = (*env)->NewObject(env, ia4_class, ia4_ctrID);
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CHECK_NULL_RETURN(iaObj, NULL);
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setInetAddress_family(env, iaObj, java_net_InetAddress_IPv4);
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setInetAddress_addr(env, iaObj, ntohl(sa->sa4.sin_addr.s_addr));
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*port = ntohs(sa->sa4.sin_port);
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}
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return iaObj;
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}
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JNIEXPORT jboolean JNICALL
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NET_SockaddrEqualsInetAddress(JNIEnv *env, SOCKETADDRESS *sa, jobject iaObj)
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{
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jint family = getInetAddress_family(env, iaObj) ==
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java_net_InetAddress_IPv4 ? AF_INET : AF_INET6;
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if (sa->sa.sa_family == AF_INET6) {
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jbyte *caddrNew = (jbyte *)&sa->sa6.sin6_addr;
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if (NET_IsIPv4Mapped(caddrNew)) {
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int addrNew, addrCur;
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if (family == AF_INET6) {
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return JNI_FALSE;
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}
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addrNew = NET_IPv4MappedToIPv4(caddrNew);
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addrCur = getInetAddress_addr(env, iaObj);
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if (addrNew == addrCur) {
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return JNI_TRUE;
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} else {
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return JNI_FALSE;
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}
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} else {
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jbyte caddrCur[16];
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if (family == AF_INET) {
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return JNI_FALSE;
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}
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getInet6Address_ipaddress(env, iaObj, (char *)caddrCur);
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if (NET_IsEqual(caddrNew, caddrCur) &&
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sa->sa6.sin6_scope_id == getInet6Address_scopeid(env, iaObj))
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{
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return JNI_TRUE;
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} else {
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return JNI_FALSE;
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}
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}
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} else {
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int addrNew, addrCur;
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if (family != AF_INET) {
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return JNI_FALSE;
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}
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addrNew = ntohl(sa->sa4.sin_addr.s_addr);
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addrCur = getInetAddress_addr(env, iaObj);
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if (addrNew == addrCur) {
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return JNI_TRUE;
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} else {
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return JNI_FALSE;
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}
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}
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}
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JNIEXPORT jint JNICALL
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NET_GetPortFromSockaddr(SOCKETADDRESS *sa) {
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if (sa->sa.sa_family == AF_INET6) {
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return ntohs(sa->sa6.sin6_port);
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} else {
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return ntohs(sa->sa4.sin_port);
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}
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}
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unsigned short
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in_cksum(unsigned short *addr, int len) {
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int nleft = len;
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int sum = 0;
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unsigned short *w = addr;
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unsigned short answer = 0;
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while(nleft > 1) {
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sum += *w++;
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nleft -= 2;
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}
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if (nleft == 1) {
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*(unsigned char *) (&answer) = *(unsigned char *)w;
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sum += answer;
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}
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sum = (sum >> 16) + (sum & 0xffff);
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sum += (sum >> 16);
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answer = ~sum;
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return (answer);
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}
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