/*
* 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");
}
}