mirror of
https://github.com/openjdk/jdk.git
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181 lines
6.4 KiB
C
181 lines
6.4 KiB
C
/*
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* Copyright (c) 1997, 2018, 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 <winsock2.h>
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#include <WS2tcpip.h>
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#include <iphlpapi.h>
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#include <icmpapi.h>
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#include <mstcpip.h>
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/* used to disable connection reset messages on Windows XP */
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#ifndef SIO_UDP_CONNRESET
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#define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR,12)
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#endif
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#ifndef IN6_IS_ADDR_ANY
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#define IN6_IS_ADDR_ANY(a) \
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(((a)->s6_words[0] == 0) && ((a)->s6_words[1] == 0) && \
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((a)->s6_words[2] == 0) && ((a)->s6_words[3] == 0) && \
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((a)->s6_words[4] == 0) && ((a)->s6_words[5] == 0) && \
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((a)->s6_words[6] == 0) && ((a)->s6_words[7] == 0))
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#endif
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#ifndef IPV6_V6ONLY
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#define IPV6_V6ONLY 27 /* Treat wildcard bind as AF_INET6-only. */
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#endif
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#define MAX_BUFFER_LEN 2048
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#define MAX_HEAP_BUFFER_LEN 65536
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/* true if SO_RCVTIMEO is supported by underlying provider */
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extern jboolean isRcvTimeoutSupported;
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void NET_ThrowCurrent(JNIEnv *env, char *msg);
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typedef union {
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struct sockaddr sa;
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struct sockaddr_in sa4;
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struct sockaddr_in6 sa6;
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} SOCKETADDRESS;
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/*
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* passed to NET_BindV6. Both ipv4_fd and ipv6_fd must be created and unbound
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* sockets. On return they may refer to different sockets.
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*/
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struct ipv6bind {
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SOCKETADDRESS *addr;
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SOCKET ipv4_fd;
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SOCKET ipv6_fd;
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};
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#define SOCKETADDRESS_COPY(DST,SRC) { \
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if ((SRC)->sa_family == AF_INET6) { \
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memcpy ((DST), (SRC), sizeof (struct sockaddr_in6)); \
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} else { \
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memcpy ((DST), (SRC), sizeof (struct sockaddr_in)); \
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} \
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}
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#define SET_PORT(X,Y) { \
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if ((X)->sa.sa_family == AF_INET) { \
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(X)->sa4.sin_port = (Y); \
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} else { \
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(X)->sa6.sin6_port = (Y); \
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} \
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}
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#define GET_PORT(X) ((X)->sa.sa_family == AF_INET ? (X)->sa4.sin_port : (X)->sa6.sin6_port)
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/**
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* With dual socket implementation the
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* IPv4 addresseses might be mapped as IPv6.
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* The IPv4 loopback adapter address ranges (127.0.0.0 through 127.255.255.255) will
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* be mapped as the following IPv6 ::ffff:127.0.0.0 through ::ffff:127.255.255.255.
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* For example, this is done by NET_InetAddressToSockaddr.
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*/
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#define IN6_IS_ADDR_V4MAPPED_LOOPBACK(x) ( \
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(((x)->s6_words[0] == 0) && \
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((x)->s6_words[1] == 0) && \
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((x)->s6_words[2] == 0) && \
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((x)->s6_words[3] == 0) && \
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((x)->s6_words[4] == 0) && \
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((x)->s6_words[5] == 0xFFFF) && \
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(((x)->s6_words[6] & 0x00FF) == 0x007F)) \
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)
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/**
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* Check for IPv4 loopback adapter address ranges (127.0.0.0 through 127.255.255.255)
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*/
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#define IN4_IS_ADDR_NETLONG_LOOPBACK(l) ( \
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((l & 0xFF000000) == 0x7F000000) \
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)
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#define IS_LOOPBACK_ADDRESS(x) ( \
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((x)->sa.sa_family == AF_INET) ? \
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(IN4_IS_ADDR_NETLONG_LOOPBACK(ntohl((x)->sa4.sin_addr.s_addr))) : \
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((IN6_IS_ADDR_LOOPBACK(&(x)->sa6.sin6_addr)) || \
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(IN6_IS_ADDR_V4MAPPED_LOOPBACK(&(x)->sa6.sin6_addr))) \
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)
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JNIEXPORT int JNICALL NET_SocketClose(int fd);
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JNIEXPORT int JNICALL NET_Timeout(int fd, long timeout);
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int NET_Socket(int domain, int type, int protocol);
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void NET_ThrowByNameWithLastError(JNIEnv *env, const char *name,
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const char *defaultDetail);
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/*
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* differs from NET_Timeout() as follows:
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*
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* If timeout = -1, it blocks forever.
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*
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* returns 1 or 2 depending if only one or both sockets
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* fire at same time.
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*
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* *fdret is (one of) the active fds. If both sockets
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* fire at same time, *fd == fd always.
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*/
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JNIEXPORT int JNICALL NET_Timeout2(int fd, int fd1, long timeout, int *fdret);
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JNIEXPORT int JNICALL NET_BindV6(struct ipv6bind *b, jboolean exclBind);
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JNIEXPORT int JNICALL NET_WinBind(int s, SOCKETADDRESS *sa, int len,
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jboolean exclBind);
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JNIEXPORT jint JNICALL NET_EnableFastTcpLoopbackConnect(int fd);
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/* XP versions of the native routines */
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JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByName0_XP
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(JNIEnv *env, jclass cls, jstring name);
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JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByIndex0_XP
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(JNIEnv *env, jclass cls, jint index);
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JNIEXPORT jobject JNICALL Java_java_net_NetworkInterface_getByInetAddress0_XP
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(JNIEnv *env, jclass cls, jobject iaObj);
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JNIEXPORT jobjectArray JNICALL Java_java_net_NetworkInterface_getAll_XP
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(JNIEnv *env, jclass cls);
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JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_supportsMulticast0_XP
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(JNIEnv *env, jclass cls, jstring name, jint index);
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JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isUp0_XP
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(JNIEnv *env, jclass cls, jstring name, jint index);
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JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isP2P0_XP
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(JNIEnv *env, jclass cls, jstring name, jint index);
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JNIEXPORT jbyteArray JNICALL Java_java_net_NetworkInterface_getMacAddr0_XP
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(JNIEnv *env, jclass cls, jstring name, jint index);
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JNIEXPORT jint JNICALL Java_java_net_NetworkInterface_getMTU0_XP
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(JNIEnv *env, jclass class, jstring name, jint index);
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JNIEXPORT jboolean JNICALL Java_java_net_NetworkInterface_isLoopback0_XP
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(JNIEnv *env, jclass cls, jstring name, jint index);
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