| /* |
| * Copyright (c) 2003, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| #include <stdlib.h> |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| |
| #include "jni.h" |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "net_util.h" |
| |
| #include "sun_nio_ch_InheritedChannel.h" |
| |
| static int matchFamily(struct sockaddr *sa) { |
| int family = sa->sa_family; |
| #ifdef AF_INET6 |
| if (ipv6_available()) { |
| return (family == AF_INET6); |
| } |
| #endif |
| return (family == AF_INET); |
| } |
| |
| JNIEXPORT jobject JNICALL |
| Java_sun_nio_ch_InheritedChannel_peerAddress0(JNIEnv *env, jclass cla, jint fd) |
| { |
| struct sockaddr *sa; |
| socklen_t sa_len; |
| jobject remote_ia = NULL; |
| jint remote_port; |
| |
| NET_AllocSockaddr(&sa, (int *)&sa_len); |
| if (getpeername(fd, sa, &sa_len) == 0) { |
| if (matchFamily(sa)) { |
| remote_ia = NET_SockaddrToInetAddress(env, sa, (int *)&remote_port); |
| } |
| } |
| free((void *)sa); |
| |
| return remote_ia; |
| } |
| |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_InheritedChannel_peerPort0(JNIEnv *env, jclass cla, jint fd) |
| { |
| struct sockaddr *sa; |
| socklen_t sa_len; |
| jint remote_port = -1; |
| |
| NET_AllocSockaddr(&sa, (int *)&sa_len); |
| if (getpeername(fd, sa, &sa_len) == 0) { |
| if (matchFamily(sa)) { |
| NET_SockaddrToInetAddress(env, sa, (int *)&remote_port); |
| } |
| } |
| free((void *)sa); |
| |
| return remote_port; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_InheritedChannel_soType0(JNIEnv *env, jclass cla, jint fd) |
| { |
| int sotype; |
| socklen_t arglen=sizeof(sotype); |
| if (getsockopt(fd, SOL_SOCKET, SO_TYPE, (void *)&sotype, &arglen) == 0) { |
| if (sotype == SOCK_STREAM) |
| return sun_nio_ch_InheritedChannel_SOCK_STREAM; |
| if (sotype == SOCK_DGRAM) |
| return sun_nio_ch_InheritedChannel_SOCK_DGRAM; |
| } |
| return sun_nio_ch_InheritedChannel_UNKNOWN; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_InheritedChannel_dup(JNIEnv *env, jclass cla, jint fd) |
| { |
| int newfd = dup(fd); |
| if (newfd < 0) { |
| JNU_ThrowIOExceptionWithLastError(env, "dup failed"); |
| } |
| return (jint)newfd; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_nio_ch_InheritedChannel_dup2(JNIEnv *env, jclass cla, jint fd, jint fd2) |
| { |
| if (dup2(fd, fd2) < 0) { |
| JNU_ThrowIOExceptionWithLastError(env, "dup2 failed"); |
| } |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_InheritedChannel_open0(JNIEnv *env, jclass cla, jstring path, jint oflag) |
| { |
| const char* str; |
| int oflag_actual; |
| |
| /* convert to OS specific value */ |
| switch (oflag) { |
| case sun_nio_ch_InheritedChannel_O_RDWR : |
| oflag_actual = O_RDWR; |
| break; |
| case sun_nio_ch_InheritedChannel_O_RDONLY : |
| oflag_actual = O_RDONLY; |
| break; |
| case sun_nio_ch_InheritedChannel_O_WRONLY : |
| oflag_actual = O_WRONLY; |
| break; |
| default : |
| JNU_ThrowInternalError(env, "Unrecognized file mode"); |
| return -1; |
| } |
| |
| str = JNU_GetStringPlatformChars(env, path, NULL); |
| if (str == NULL) { |
| return (jint)-1; |
| } else { |
| int fd = open(str, oflag_actual); |
| if (fd < 0) { |
| JNU_ThrowIOExceptionWithLastError(env, str); |
| } |
| JNU_ReleaseStringPlatformChars(env, path, str); |
| return (jint)fd; |
| } |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_nio_ch_InheritedChannel_close0(JNIEnv *env, jclass cla, jint fd) |
| { |
| if (close(fd) < 0) { |
| JNU_ThrowIOExceptionWithLastError(env, "close failed"); |
| } |
| } |