439 lines
14 KiB
C++
439 lines
14 KiB
C++
/*
|
|
* ZeroTier SDK - Network Virtualization Everywhere
|
|
* Copyright (C) 2011-2018 ZeroTier, Inc. https://www.zerotier.com/
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program 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 for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
* --
|
|
*
|
|
* You can be released from the requirements of the license by purchasing
|
|
* a commercial license. Buying such a license is mandatory as soon as you
|
|
* develop commercial closed-source software that incorporates or links
|
|
* directly against ZeroTier software without disclosing the source code
|
|
* of your own application.
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
*
|
|
* Javs JNI wrapper for POSIX-like socket API
|
|
* JNI naming convention: Java_PACKAGENAME_CLASSNAME_METHODNAME
|
|
*/
|
|
|
|
#ifdef SDK_JNI
|
|
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
|
|
#include "libzt.h"
|
|
#include "libztDefs.h"
|
|
|
|
#include <jni.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
namespace ZeroTier {
|
|
|
|
void ss2zta(JNIEnv *env, struct sockaddr_storage *ss, jobject addr);
|
|
void zta2ss(JNIEnv *env, struct sockaddr_storage *ss, jobject addr);
|
|
|
|
/****************************************************************************/
|
|
/* ZeroTier service controls */
|
|
/****************************************************************************/
|
|
|
|
JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_start(
|
|
JNIEnv *env, jobject thisObj, jstring path, jboolean blocking)
|
|
{
|
|
if (path) {
|
|
const char* utf_string = env->GetStringUTFChars(path, NULL);
|
|
zts_start(utf_string, blocking);
|
|
env->ReleaseStringUTFChars(path, utf_string);
|
|
}
|
|
}
|
|
|
|
JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_startjoin(
|
|
JNIEnv *env, jobject thisObj, jstring path, jlong nwid)
|
|
{
|
|
if (path && nwid) {
|
|
const char* utf_string = env->GetStringUTFChars(path, NULL);
|
|
zts_startjoin(utf_string, (uint64_t)nwid);
|
|
env->ReleaseStringUTFChars(path, utf_string);
|
|
}
|
|
}
|
|
|
|
JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_stop(
|
|
JNIEnv *env, jobject thisObj)
|
|
{
|
|
zts_stop();
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_core_1running(
|
|
JNIEnv *env, jobject thisObj)
|
|
{
|
|
return zts_core_running();
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_stack_1running(
|
|
JNIEnv *env, jobject thisObj)
|
|
{
|
|
return zts_stack_running();
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_ready(
|
|
JNIEnv *env, jobject thisObj)
|
|
{
|
|
return zts_ready();
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_join(
|
|
JNIEnv *env, jobject thisObj, jlong nwid)
|
|
{
|
|
return zts_join((uint64_t)nwid);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_leave(
|
|
JNIEnv *env, jobject thisObj, jlong nwid)
|
|
{
|
|
return zts_leave((uint64_t)nwid);
|
|
}
|
|
|
|
JNIEXPORT jstring JNICALL Java_com_zerotier_libzt_ZeroTier_get_1path(
|
|
JNIEnv *env, jobject thisObj)
|
|
{
|
|
char pathBuf[ZT_HOME_PATH_MAX_LEN];
|
|
zts_get_path(pathBuf, ZT_HOME_PATH_MAX_LEN);
|
|
return env->NewStringUTF(pathBuf);
|
|
}
|
|
|
|
JNIEXPORT jlong JNICALL Java_com_zerotier_libzt_ZeroTier_get_1node_1id(
|
|
JNIEnv *env, jobject thisObj)
|
|
{
|
|
return zts_get_node_id();
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_get_1num_1assigned_1addresses(
|
|
JNIEnv *env, jobject thisObj, jlong nwid)
|
|
{
|
|
return zts_get_num_assigned_addresses(nwid);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_get_1address_1at_1index(
|
|
JNIEnv *env, jobject thisObj, jlong nwid, jint index, jobject addr)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
socklen_t addrlen = sizeof(struct sockaddr_storage);
|
|
int err = zts_get_address_at_index(nwid, index, (struct sockaddr*)&ss, &addrlen);
|
|
ss2zta(env, &ss, addr);
|
|
return err;
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_has_1address(
|
|
JNIEnv *env, jobject thisObj, jlong nwid)
|
|
{
|
|
return zts_has_address(nwid);
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_get_1address(
|
|
JNIEnv *env, jobject thisObj, jlong nwid, jint address_family, jobject addr)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
int err = zts_get_address((uint64_t)nwid, &ss, address_family);
|
|
ss2zta(env, &ss, addr);
|
|
return err;
|
|
}
|
|
|
|
JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_get_16plane_1addr(
|
|
JNIEnv *env, jobject thisObj, jlong nwid, jlong nodeId, jobject addr)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
zts_get_6plane_addr(&ss, nwid, nodeId);
|
|
ss2zta(env, &ss, addr);
|
|
}
|
|
|
|
JNIEXPORT void JNICALL Java_com_zerotier_libzt_ZeroTier_get_1rfc4193_1addr(
|
|
JNIEnv *env, jobject thisObj, jlong nwid, jlong nodeId, jobject addr)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
zts_get_rfc4193_addr(&ss, nwid, nodeId);
|
|
ss2zta(env, &ss, addr);
|
|
}
|
|
|
|
JNIEXPORT jlong JNICALL Java_com_zerotier_libzt_ZeroTier_get_1peer_1count(
|
|
JNIEnv *env, jobject thisObj)
|
|
{
|
|
return zts_get_peer_count();
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* ZeroTier Socket API */
|
|
/****************************************************************************/
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_socket(
|
|
JNIEnv *env, jobject thisObj, jint family, jint type, jint protocol)
|
|
{
|
|
return zts_socket(family, type, protocol);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_connect(
|
|
JNIEnv *env, jobject thisObj, jint fd, jobject addr)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
zta2ss(env, &ss, addr);
|
|
socklen_t addrlen = ss.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6);
|
|
return zts_connect(fd, (struct sockaddr *)&ss, addrlen);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_bind(
|
|
JNIEnv *env, jobject thisObj, jint fd, jobject addr)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
int err;
|
|
zta2ss(env, &ss, addr);
|
|
socklen_t addrlen = ss.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6);
|
|
return zts_bind(fd, (struct sockaddr*)&ss, addrlen);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_listen(
|
|
JNIEnv *env, jobject thisObj, jint fd, int backlog)
|
|
{
|
|
return zts_listen(fd, backlog);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_accept(
|
|
JNIEnv *env, jobject thisObj, jint fd, jobject addr, jint port)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
socklen_t addrlen = sizeof(struct sockaddr_storage);
|
|
int err = zts_accept(fd, (struct sockaddr *)&ss, &addrlen);
|
|
ss2zta(env, &ss, addr);
|
|
return err;
|
|
}
|
|
|
|
#if defined(__linux__)
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_accept4(
|
|
JNIEnv *env, jobject thisObj, jint fd, jobject addr, jint port, jint flags)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
socklen_t addrlen = sizeof(struct sockaddr_storage);
|
|
int err = zts_accept4(fd, (struct sockaddr *)&ss, &addrlen, flags);
|
|
ss2zta(env, &ss, addr);
|
|
return err;
|
|
}
|
|
#endif
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_setsockopt(
|
|
JNIEnv *env, jobject thisObj, jint fd, jint level, jint optname, jint optval, jint optlen)
|
|
{
|
|
return zts_setsockopt(fd, level, optname, (void*)(uintptr_t)optval, optlen);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_getsockopt(
|
|
JNIEnv *env, jobject thisObj, jint fd, jint level, jint optname, jint optval, jint optlen)
|
|
{
|
|
return zts_getsockopt(fd, level, optname, (void*)(uintptr_t)optval, (socklen_t *)optlen);
|
|
}
|
|
|
|
JNIEXPORT jboolean JNICALL Java_com_zerotier_libzt_ZeroTier_getsockname(JNIEnv *env, jobject thisObj,
|
|
jint fd, jobject addr)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
socklen_t addrlen = sizeof(struct sockaddr_storage);
|
|
int err = zts_getsockname(fd, (struct sockaddr *)&ss, &addrlen);
|
|
ss2zta(env, &ss, addr);
|
|
return err;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_getpeername(JNIEnv *env, jobject thisObj,
|
|
jint fd, jobject addr)
|
|
{
|
|
struct sockaddr_storage ss;
|
|
int err = zts_getpeername(fd, (struct sockaddr *)&ss, (socklen_t *)sizeof(struct sockaddr_storage));
|
|
ss2zta(env, &ss, addr);
|
|
return err;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_close(
|
|
JNIEnv *env, jobject thisObj, jint fd)
|
|
{
|
|
return zts_close(fd);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_fcntl(
|
|
JNIEnv *env, jobject thisObj, jint fd, jint cmd, jint flags)
|
|
{
|
|
return zts_fcntl(fd, cmd, flags);
|
|
}
|
|
|
|
JNIEXPORT int JNICALL Java_com_zerotier_libzt_ZeroTier_ioctl(jint fd, jlong request, void *argp)
|
|
{
|
|
return zts_ioctl(fd, request, argp);
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_send(
|
|
JNIEnv *env, jobject thisObj, jint fd, jbyteArray buf, int flags)
|
|
{
|
|
void *data = env->GetPrimitiveArrayCritical(buf, NULL);
|
|
int w = zts_send(fd, data, env->GetArrayLength(buf), flags);
|
|
env->ReleasePrimitiveArrayCritical(buf, data, 0);
|
|
return w;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_sendto(
|
|
JNIEnv *env, jobject thisObj, jint fd, jbyteArray buf, jint flags, jobject addr)
|
|
{
|
|
void *data = env->GetPrimitiveArrayCritical(buf, NULL);
|
|
struct sockaddr_storage ss;
|
|
zta2ss(env, &ss, addr);
|
|
socklen_t addrlen = ss.ss_family == AF_INET ? sizeof(struct sockaddr_in) : sizeof(struct sockaddr_in6);
|
|
int w = zts_sendto(fd, data, env->GetArrayLength(buf), flags, (struct sockaddr *)&ss, addrlen);
|
|
env->ReleasePrimitiveArrayCritical(buf, data, 0);
|
|
return w;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_recv(JNIEnv *env, jobject thisObj,
|
|
jint fd, jbyteArray buf, jint flags)
|
|
{
|
|
void *data = env->GetPrimitiveArrayCritical(buf, NULL);
|
|
int r = zts_recv(fd, data, env->GetArrayLength(buf), flags);
|
|
env->ReleasePrimitiveArrayCritical(buf, data, 0);
|
|
return r;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_recvfrom(
|
|
JNIEnv *env, jobject thisObj, jint fd, jbyteArray buf, jint flags, jobject addr)
|
|
{
|
|
socklen_t addrlen = sizeof(struct sockaddr_storage);
|
|
struct sockaddr_storage ss;
|
|
void *data = env->GetPrimitiveArrayCritical(buf, NULL);
|
|
int r = zts_recvfrom(fd, data, env->GetArrayLength(buf), flags, (struct sockaddr *)&ss, &addrlen);
|
|
env->ReleasePrimitiveArrayCritical(buf, data, 0);
|
|
ss2zta(env, &ss, addr);
|
|
return r;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_read(JNIEnv *env, jobject thisObj,
|
|
jint fd, jbyteArray buf)
|
|
{
|
|
void *data = env->GetPrimitiveArrayCritical(buf, NULL);
|
|
int r = zts_read(fd, data, env->GetArrayLength(buf));
|
|
env->ReleasePrimitiveArrayCritical(buf, data, 0);
|
|
return r;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_write(JNIEnv *env, jobject thisObj,
|
|
jint fd, jbyteArray buf)
|
|
{
|
|
void *data = env->GetPrimitiveArrayCritical(buf, NULL);
|
|
int w = zts_write(fd, data, env->GetArrayLength(buf));
|
|
env->ReleasePrimitiveArrayCritical(buf, data, 0);
|
|
return w;
|
|
}
|
|
|
|
JNIEXPORT jint JNICALL Java_com_zerotier_libzt_ZeroTier_shutdown(
|
|
JNIEnv *env, jobject thisObj, int fd, int how)
|
|
{
|
|
return zts_shutdown(fd, how);
|
|
}
|
|
}
|
|
|
|
/****************************************************************************/
|
|
/* Helpers (for moving data across the JNI barrier) */
|
|
/****************************************************************************/
|
|
|
|
void ss2zta(JNIEnv *env, struct sockaddr_storage *ss, jobject addr)
|
|
{
|
|
jclass c = (*env).GetObjectClass(addr);
|
|
if (!c) {
|
|
return;
|
|
}
|
|
if(ss->ss_family == AF_INET)
|
|
{
|
|
struct sockaddr_in *in4 = (struct sockaddr_in*)ss;
|
|
jfieldID fid = (*env).GetFieldID(c, "_port", "I");
|
|
(*env).SetIntField(addr, fid, ntohs(in4->sin_port));
|
|
fid = (*env).GetFieldID(c,"_family", "I");
|
|
(*env).SetIntField(addr, fid, (in4->sin_family));
|
|
fid = env->GetFieldID(c, "_ip4", "[B");
|
|
jobject ipData = (*env).GetObjectField (addr, fid);
|
|
jbyteArray * arr = reinterpret_cast<jbyteArray*>(&ipData);
|
|
char *data = (char*)(*env).GetByteArrayElements(*arr, NULL);
|
|
memcpy(data, &(in4->sin_addr.s_addr), 4);
|
|
(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0);
|
|
|
|
return;
|
|
}
|
|
if(ss->ss_family == AF_INET6)
|
|
{
|
|
struct sockaddr_in6 *in6 = (struct sockaddr_in6*)ss;
|
|
jfieldID fid = (*env).GetFieldID(c, "_port", "I");
|
|
(*env).SetIntField(addr, fid, ntohs(in6->sin6_port));
|
|
fid = (*env).GetFieldID(c,"_family", "I");
|
|
(*env).SetIntField(addr, fid, (in6->sin6_family));
|
|
fid = env->GetFieldID(c, "_ip6", "[B");
|
|
jobject ipData = (*env).GetObjectField (addr, fid);
|
|
jbyteArray * arr = reinterpret_cast<jbyteArray*>(&ipData);
|
|
char *data = (char*)(*env).GetByteArrayElements(*arr, NULL);
|
|
memcpy(data, &(in6->sin6_addr.s6_addr), 16);
|
|
(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
void zta2ss(JNIEnv *env, struct sockaddr_storage *ss, jobject addr)
|
|
{
|
|
jclass c = (*env).GetObjectClass(addr);
|
|
if (!c) {
|
|
return;
|
|
}
|
|
jfieldID fid = (*env).GetFieldID(c, "_family", "I");
|
|
int family = (*env).GetIntField(addr, fid);
|
|
if (family == AF_INET)
|
|
{
|
|
struct sockaddr_in *in4 = (struct sockaddr_in*)ss;
|
|
fid = (*env).GetFieldID(c, "_port", "I");
|
|
in4->sin_port = htons((*env).GetIntField(addr, fid));
|
|
in4->sin_family = AF_INET;
|
|
fid = env->GetFieldID(c, "_ip4", "[B");
|
|
jobject ipData = (*env).GetObjectField (addr, fid);
|
|
jbyteArray * arr = reinterpret_cast<jbyteArray*>(&ipData);
|
|
char *data = (char*)(*env).GetByteArrayElements(*arr, NULL);
|
|
memcpy(&(in4->sin_addr.s_addr), data, 4);
|
|
(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0);
|
|
return;
|
|
}
|
|
if (family == AF_INET6)
|
|
{
|
|
struct sockaddr_in6 *in6 = (struct sockaddr_in6*)ss;
|
|
jfieldID fid = (*env).GetFieldID(c, "_port", "I");
|
|
in6->sin6_port = htons((*env).GetIntField(addr, fid));
|
|
fid = (*env).GetFieldID(c,"_family", "I");
|
|
in6->sin6_family = AF_INET6;
|
|
fid = env->GetFieldID(c, "_ip6", "[B");
|
|
jobject ipData = (*env).GetObjectField (addr, fid);
|
|
jbyteArray * arr = reinterpret_cast<jbyteArray*>(&ipData);
|
|
char *data = (char*)(*env).GetByteArrayElements(*arr, NULL);
|
|
memcpy(&(in6->sin6_addr.s6_addr), data, 16);
|
|
(*env).ReleaseByteArrayElements(*arr, (jbyte*)data, 0);
|
|
return;
|
|
}
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // SDK_JNI
|