ZeroTierOne/core/CAPI.cpp

1000 lines
28 KiB
C++

/*
* Copyright (c)2013-2021 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2026-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
/****/
#include "Constants.hpp"
#include "Node.hpp"
#include "Identity.hpp"
#include "Locator.hpp"
#include "Certificate.hpp"
#include "InetAddress.hpp"
#include "VL1.hpp"
#include "VL2.hpp"
#include "CallContext.hpp"
extern "C" {
/********************************************************************************************************************/
// These macros make the idiom of passing buffers to outside code via the API work properly even
// if the first address of Buf does not overlap with its data field, since the C++ standard does
// not absolutely guarantee this.
#define ZT_PTRTOBUF(p) ((ZeroTier::Buf *)( ((uintptr_t)(p)) - ((uintptr_t)&(((ZeroTier::Buf *)0)->unsafeData[0])) ))
#define ZT_BUFTOPTR(b) ((void *)(&((b)->unsafeData[0])))
ZT_MAYBE_UNUSED void *ZT_getBuffer()
{
// When external code requests a Buf, grab one from the pool (or freshly allocated)
// and return it with its reference count left at zero. It's the responsibility of
// external code to bring it back via freeBuffer() or one of the processX() calls.
// When this occurs it's either sent back to the pool with Buf's delete operator or
// wrapped in a SharedPtr<> to be passed into the core.
try {
return ZT_BUFTOPTR(new ZeroTier::Buf());
} catch (...) {
return nullptr; // can only happen on out of memory condition
}
}
ZT_MAYBE_UNUSED void ZT_freeBuffer(void *b)
{
if (b)
delete ZT_PTRTOBUF(b);
}
struct p_queryResultBase
{
void (*freeFunction)(const void *);
};
ZT_MAYBE_UNUSED void ZT_freeQueryResult(const void *qr)
{
if ((qr) && (reinterpret_cast<const p_queryResultBase *>(qr)->freeFunction))
reinterpret_cast<const p_queryResultBase *>(qr)->freeFunction(qr);
}
ZT_MAYBE_UNUSED void ZT_version(int *major, int *minor, int *revision, int *build)
{
if (major)
*major = ZEROTIER_VERSION_MAJOR;
if (minor)
*minor = ZEROTIER_VERSION_MINOR;
if (revision)
*revision = ZEROTIER_VERSION_REVISION;
if (build)
*build = ZEROTIER_VERSION_BUILD;
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_new(
ZT_Node **node,
int64_t clock,
int64_t ticks,
void *tptr,
void *uptr,
const struct ZT_Node_Callbacks *callbacks)
{
*node = nullptr;
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
*node = reinterpret_cast<ZT_Node *>(new ZeroTier::Node(uptr, callbacks, cc));
return ZT_RESULT_OK;
} catch (std::bad_alloc &exc) {
return ZT_RESULT_FATAL_ERROR_OUT_OF_MEMORY;
} catch (std::runtime_error &exc) {
return ZT_RESULT_FATAL_ERROR_DATA_STORE_FAILED;
} catch (...) {
return ZT_RESULT_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED void ZT_Node_delete(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
reinterpret_cast<ZeroTier::Node *>(node)->shutdown(cc);
delete (reinterpret_cast<ZeroTier::Node *>(node));
} catch (...) {}
}
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_processWirePacket(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
int64_t localSocket,
const ZT_InetAddress *remoteAddress,
const void *packetData,
unsigned int packetLength,
int isZtBuffer,
volatile int64_t *nextBackgroundTaskDeadline)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
ZeroTier::SharedPtr< ZeroTier::Buf > buf((isZtBuffer) ? ZT_PTRTOBUF(packetData) : new ZeroTier::Buf(packetData, packetLength & ZT_BUF_MEM_MASK));
reinterpret_cast<ZeroTier::Node *>(node)->RR->vl1->onRemotePacket(cc, localSocket, *ZeroTier::asInetAddress(remoteAddress), buf, packetLength);
} catch (std::bad_alloc &exc) {
return ZT_RESULT_FATAL_ERROR_OUT_OF_MEMORY;
} catch (...) {
// "OK" since invalid packets are simply dropped, but the system is still up.
// We should never make it here, but if we did that would be the interpretation.
}
return ZT_RESULT_OK;
}
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_processVirtualNetworkFrame(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
uint64_t nwid,
uint64_t sourceMac,
uint64_t destMac,
unsigned int etherType,
unsigned int vlanId,
const void *frameData,
unsigned int frameLength,
int isZtBuffer,
volatile int64_t *nextBackgroundTaskDeadline)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
ZeroTier::SharedPtr< ZeroTier::Network > network(reinterpret_cast<ZeroTier::Node *>(node)->RR->networks->get(nwid));
if (likely(network)) {
ZeroTier::SharedPtr< ZeroTier::Buf > buf((isZtBuffer) ? ZT_PTRTOBUF(frameData) : new ZeroTier::Buf(frameData, frameLength & ZT_BUF_MEM_MASK));
reinterpret_cast<ZeroTier::Node *>(node)->RR->vl2->onLocalEthernet(cc, network, ZeroTier::MAC(sourceMac), ZeroTier::MAC(destMac), etherType, vlanId, buf, frameLength);
return ZT_RESULT_OK;
} else {
return ZT_RESULT_ERROR_NETWORK_NOT_FOUND;
}
} catch (std::bad_alloc &exc) {
return ZT_RESULT_FATAL_ERROR_OUT_OF_MEMORY;
} catch (...) {
return ZT_RESULT_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_processBackgroundTasks(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
volatile int64_t *nextBackgroundTaskDeadline)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->processBackgroundTasks(cc, nextBackgroundTaskDeadline);
} catch (std::bad_alloc &exc) {
return ZT_RESULT_FATAL_ERROR_OUT_OF_MEMORY;
} catch (...) {
return ZT_RESULT_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_join(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
void *uptr,
uint64_t nwid,
const ZT_Fingerprint *controllerFingerprint)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->join(nwid, controllerFingerprint, uptr, cc);
} catch (std::bad_alloc &exc) {
return ZT_RESULT_FATAL_ERROR_OUT_OF_MEMORY;
} catch (...) {
return ZT_RESULT_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_leave(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
void **uptr,
uint64_t nwid)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->leave(nwid, uptr, cc);
} catch (std::bad_alloc &exc) {
return ZT_RESULT_FATAL_ERROR_OUT_OF_MEMORY;
} catch (...) {
return ZT_RESULT_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_multicastSubscribe(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
uint64_t nwid,
uint64_t multicastGroup,
unsigned long multicastAdi)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->multicastSubscribe(cc, nwid, multicastGroup, multicastAdi);
} catch (std::bad_alloc &exc) {
return ZT_RESULT_FATAL_ERROR_OUT_OF_MEMORY;
} catch (...) {
return ZT_RESULT_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_multicastUnsubscribe(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
uint64_t nwid,
uint64_t multicastGroup,
unsigned long multicastAdi)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->multicastUnsubscribe(cc, nwid, multicastGroup, multicastAdi);
} catch (std::bad_alloc &exc) {
return ZT_RESULT_FATAL_ERROR_OUT_OF_MEMORY;
} catch (...) {
return ZT_RESULT_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED uint64_t ZT_Node_address(ZT_Node *node)
{ return reinterpret_cast<ZeroTier::Node *>(node)->RR->identity.address().toInt(); }
ZT_MAYBE_UNUSED const ZT_Identity *ZT_Node_identity(ZT_Node *node)
{ return (const ZT_Identity *)(&(reinterpret_cast<ZeroTier::Node *>(node)->identity())); }
ZT_MAYBE_UNUSED void ZT_Node_status(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
ZT_NodeStatus *status)
{
try {
reinterpret_cast<ZeroTier::Node *>(node)->status(status);
} catch (...) {}
}
ZT_MAYBE_UNUSED ZT_PeerList *ZT_Node_peers(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->peers(cc);
} catch (...) {
return (ZT_PeerList *)0;
}
}
ZT_MAYBE_UNUSED ZT_VirtualNetworkConfig *ZT_Node_networkConfig(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
uint64_t nwid)
{
try {
return reinterpret_cast<ZeroTier::Node *>(node)->networkConfig(nwid);
} catch (...) {
return (ZT_VirtualNetworkConfig *)0;
}
}
ZT_MAYBE_UNUSED ZT_VirtualNetworkList *ZT_Node_networks(ZT_Node *node)
{
try {
return reinterpret_cast<ZeroTier::Node *>(node)->networks();
} catch (...) {
return (ZT_VirtualNetworkList *)0;
}
}
ZT_MAYBE_UNUSED void ZT_Node_setNetworkUserPtr(
ZT_Node *node,
uint64_t nwid,
void *ptr)
{
try {
reinterpret_cast<ZeroTier::Node *>(node)->setNetworkUserPtr(nwid, ptr);
} catch (...) {}
}
ZT_MAYBE_UNUSED void ZT_Node_setInterfaceAddresses(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
const ZT_InterfaceAddress *addrs,
unsigned int addrCount)
{
try {
reinterpret_cast<ZeroTier::Node *>(node)->setInterfaceAddresses(addrs, addrCount);
} catch (...) {}
}
ZT_MAYBE_UNUSED enum ZT_CertificateError ZT_Node_addCertificate(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
unsigned int localTrust,
const ZT_Certificate *cert,
const void *certData,
unsigned int certSize)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->addCertificate(cc, localTrust, cert, certData, certSize);
} catch (...) {
return ZT_CERTIFICATE_ERROR_INVALID_FORMAT;
}
}
ZT_MAYBE_UNUSED enum ZT_ResultCode ZT_Node_deleteCertificate(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
const void *serialNo)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->deleteCertificate(cc, serialNo);
} catch (...) {
return ZT_RESULT_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED ZT_CertificateList *ZT_Node_listCertificates(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr)
{
try {
return reinterpret_cast<ZeroTier::Node *>(node)->listCertificates();
} catch (...) {
return nullptr;
}
}
ZT_MAYBE_UNUSED int ZT_Node_sendUserMessage(
ZT_Node *node,
int64_t clock,
int64_t ticks,
void *tptr,
uint64_t dest,
uint64_t typeId,
const void *data,
unsigned int len)
{
try {
ZeroTier::CallContext cc(clock, ticks, tptr);
return reinterpret_cast<ZeroTier::Node *>(node)->sendUserMessage(cc, dest, typeId, data, len);
} catch (...) {
return 0;
}
}
ZT_MAYBE_UNUSED void ZT_Node_setController(
ZT_Node *node,
void *networkControllerInstance)
{
try {
reinterpret_cast<ZeroTier::Node *>(node)->setController(networkControllerInstance);
} catch (...) {}
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED ZT_Locator *ZT_Locator_create(
int64_t rev,
const ZT_Endpoint *endpoints,
const ZT_EndpointAttributes *endpointAttributes,
unsigned int endpointCount,
const ZT_Identity *signer)
{
try {
if ((!endpoints) || (endpointCount == 0) || (!signer))
return nullptr;
ZeroTier::Locator *loc = new ZeroTier::Locator();
for (unsigned int i = 0;i < endpointCount;++i)
loc->add(reinterpret_cast< const ZeroTier::Endpoint * >(endpoints)[i], ZeroTier::Locator::EndpointAttributes::DEFAULT);
if (!loc->sign(rev, *reinterpret_cast< const ZeroTier::Identity * >(signer))) {
delete loc;
return nullptr;
}
return reinterpret_cast<ZT_Locator *>(loc);
} catch (...) {
return nullptr;
}
}
ZT_MAYBE_UNUSED ZT_Locator *ZT_Locator_fromString(const char *str)
{
try {
if (!str)
return nullptr;
ZeroTier::Locator *loc = new ZeroTier::Locator();
if (!loc->fromString(str)) {
delete loc;
return nullptr;
}
return reinterpret_cast<ZT_Locator *>(loc);
} catch ( ... ) {
return nullptr;
}
}
ZT_MAYBE_UNUSED ZT_Locator *ZT_Locator_unmarshal(
const void *data,
unsigned int len)
{
try {
if ((!data) || (len == 0))
return nullptr;
ZeroTier::Locator *loc = new ZeroTier::Locator();
if (loc->unmarshal(reinterpret_cast<const uint8_t *>(data), (int) len) <= 0) {
delete loc;
return nullptr;
}
return reinterpret_cast<ZT_Locator *>(loc);
} catch (...) {
return nullptr;
}
}
ZT_MAYBE_UNUSED int ZT_Locator_marshal(const ZT_Locator *loc, void *buf, unsigned int bufSize)
{
if ((!loc) || (bufSize < ZT_LOCATOR_MARSHAL_SIZE_MAX))
return -1;
return reinterpret_cast<const ZeroTier::Locator *>(loc)->marshal(reinterpret_cast<uint8_t *>(buf), false);
}
ZT_MAYBE_UNUSED char *ZT_Locator_toString(
const ZT_Locator *loc,
char *buf,
int capacity)
{
if ((!loc) || (capacity < ZT_LOCATOR_STRING_SIZE_MAX))
return nullptr;
return reinterpret_cast<const ZeroTier::Locator *>(loc)->toString(buf);
}
ZT_MAYBE_UNUSED const ZT_Fingerprint *ZT_Locator_fingerprint(const ZT_Locator *loc)
{
if (!loc)
return nullptr;
return (ZT_Fingerprint *) (&(reinterpret_cast<const ZeroTier::Locator *>(loc)->signer()));
}
ZT_MAYBE_UNUSED int64_t ZT_Locator_revision(const ZT_Locator *loc)
{
if (!loc)
return 0;
return reinterpret_cast<const ZeroTier::Locator *>(loc)->revision();
}
ZT_MAYBE_UNUSED unsigned int ZT_Locator_endpointCount(const ZT_Locator *loc)
{ return (loc) ? (unsigned int) (reinterpret_cast<const ZeroTier::Locator *>(loc)->endpoints().size()) : 0; }
ZT_MAYBE_UNUSED const ZT_Endpoint *ZT_Locator_endpoint(const ZT_Locator *loc, const unsigned int ep)
{
if (!loc)
return nullptr;
if (ep >= (unsigned int) (reinterpret_cast<const ZeroTier::Locator *>(loc)->endpoints().size()))
return nullptr;
return reinterpret_cast<const ZT_Endpoint *>(&(reinterpret_cast<const ZeroTier::Locator *>(loc)->endpoints()[ep]));
}
ZT_MAYBE_UNUSED int ZT_Locator_verify(const ZT_Locator *loc, const ZT_Identity *signer)
{
if ((!loc) || (!signer))
return 0;
return reinterpret_cast<const ZeroTier::Locator *>(loc)->verify(*reinterpret_cast<const ZeroTier::Identity *>(signer)) ? 1 : 0;
}
ZT_MAYBE_UNUSED void ZT_Locator_delete(const ZT_Locator *loc)
{
if (loc)
delete reinterpret_cast<const ZeroTier::Locator *>(loc);
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED ZT_Identity *ZT_Identity_new(enum ZT_IdentityType type)
{
if ((type != ZT_IDENTITY_TYPE_C25519) && (type != ZT_IDENTITY_TYPE_P384))
return nullptr;
try {
ZeroTier::Identity *const id = new ZeroTier::Identity();
id->generate((ZeroTier::Identity::Type)type);
return reinterpret_cast<ZT_Identity *>(id);
} catch (...) {
return nullptr;
}
}
ZT_MAYBE_UNUSED ZT_Identity *ZT_Identity_clone(const ZT_Identity *id)
{
if (id) {
try {
return reinterpret_cast<ZT_Identity *>(new ZeroTier::Identity(*reinterpret_cast<const ZeroTier::Identity *>(id)));
} catch ( ... ) {
return nullptr;
}
}
return nullptr;
}
ZT_MAYBE_UNUSED ZT_Identity *ZT_Identity_fromString(const char *idStr)
{
if (!idStr)
return nullptr;
try {
ZeroTier::Identity *const id = new ZeroTier::Identity();
if (!id->fromString(idStr)) {
delete id;
return nullptr;
}
return reinterpret_cast<ZT_Identity *>(id);
} catch (...) {
return nullptr;
}
}
ZT_MAYBE_UNUSED int ZT_Identity_validate(const ZT_Identity *id)
{
if (!id)
return 0;
return reinterpret_cast<const ZeroTier::Identity *>(id)->locallyValidate() ? 1 : 0;
}
ZT_MAYBE_UNUSED unsigned int ZT_Identity_sign(const ZT_Identity *id, const void *data, unsigned int len, void *signature, unsigned int signatureBufferLength)
{
if (!id)
return 0;
if (signatureBufferLength < ZT_SIGNATURE_BUFFER_SIZE)
return 0;
return reinterpret_cast<const ZeroTier::Identity *>(id)->sign(data, len, signature, signatureBufferLength);
}
ZT_MAYBE_UNUSED int ZT_Identity_verify(const ZT_Identity *id, const void *data, unsigned int len, const void *signature, unsigned int sigLen)
{
if ((!id) || (!signature) || (!sigLen))
return 0;
return reinterpret_cast<const ZeroTier::Identity *>(id)->verify(data, len, signature, sigLen) ? 1 : 0;
}
ZT_MAYBE_UNUSED enum ZT_IdentityType ZT_Identity_type(const ZT_Identity *id)
{
if (!id)
return (ZT_IdentityType)0;
return (enum ZT_IdentityType)reinterpret_cast<const ZeroTier::Identity *>(id)->type();
}
ZT_MAYBE_UNUSED char *ZT_Identity_toString(const ZT_Identity *id, char *buf, int capacity, int includePrivate)
{
if ((!id) || (!buf) || (capacity < ZT_IDENTITY_STRING_BUFFER_LENGTH))
return nullptr;
reinterpret_cast<const ZeroTier::Identity *>(id)->toString(includePrivate != 0, buf);
return buf;
}
ZT_MAYBE_UNUSED int ZT_Identity_hasPrivate(const ZT_Identity *id)
{
if (!id)
return 0;
return reinterpret_cast<const ZeroTier::Identity *>(id)->hasPrivate() ? 1 : 0;
}
ZT_MAYBE_UNUSED uint64_t ZT_Identity_address(const ZT_Identity *id)
{
if (!id)
return 0;
return reinterpret_cast<const ZeroTier::Identity *>(id)->address();
}
ZT_MAYBE_UNUSED const ZT_Fingerprint *ZT_Identity_fingerprint(const ZT_Identity *id)
{
if (!id)
return nullptr;
return &(reinterpret_cast<const ZeroTier::Identity *>(id)->fingerprint());
}
ZT_MAYBE_UNUSED int ZT_Identity_compare(const ZT_Identity *a, const ZT_Identity *b)
{
if (a) {
if (b) {
if (*reinterpret_cast<const ZeroTier::Identity *>(a) < *reinterpret_cast<const ZeroTier::Identity *>(b)) {
return -1;
} else if (*reinterpret_cast<const ZeroTier::Identity *>(b) < *reinterpret_cast<const ZeroTier::Identity *>(a)) {
return 1;
} else {
return 0;
}
} else {
return 1;
}
} else if (b) {
return -1;
} else {
return 0;
}
}
ZT_MAYBE_UNUSED void ZT_Identity_delete(const ZT_Identity *id)
{
if (id)
delete reinterpret_cast<const ZeroTier::Identity *>(id);
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED int ZT_Certificate_newSubjectUniqueId(
enum ZT_CertificateUniqueIdType type,
void *uniqueId,
int *uniqueIdSize,
void *uniqueIdPrivate,
int *uniqueIdPrivateSize)
{
try {
switch (type) {
case ZT_CERTIFICATE_UNIQUE_ID_TYPE_NIST_P_384:
if ((*uniqueIdSize < ZT_CERTIFICATE_UNIQUE_ID_TYPE_NIST_P_384_SIZE) || (*uniqueIdPrivateSize < ZT_CERTIFICATE_UNIQUE_ID_TYPE_NIST_P_384_PRIVATE_SIZE))
return ZT_RESULT_ERROR_BAD_PARAMETER;
*uniqueIdSize = ZT_CERTIFICATE_UNIQUE_ID_TYPE_NIST_P_384_SIZE;
*uniqueIdPrivateSize = ZT_CERTIFICATE_UNIQUE_ID_TYPE_NIST_P_384_PRIVATE_SIZE;
ZeroTier::Certificate::createSubjectUniqueId(reinterpret_cast<uint8_t *>(uniqueId), reinterpret_cast<uint8_t *>(uniqueIdPrivate));
return ZT_RESULT_OK;
}
return ZT_RESULT_ERROR_BAD_PARAMETER;
} catch (...) {
return ZT_RESULT_FATAL_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED int ZT_Certificate_newCSR(
const ZT_Certificate_Subject *subject,
const void *uniqueId,
int uniqueIdSize,
const void *uniqueIdPrivate,
int uniqueIdPrivateSize,
void *csr,
int *csrSize)
{
try {
if (!subject)
return ZT_RESULT_ERROR_BAD_PARAMETER;
const ZeroTier::Vector< uint8_t > csrV(ZeroTier::Certificate::createCSR(*subject, uniqueId, uniqueIdSize, uniqueIdPrivate, uniqueIdPrivateSize));
if ((int)csrV.size() > *csrSize)
return ZT_RESULT_ERROR_BAD_PARAMETER;
ZeroTier::Utils::copy(csr, csrV.data(), (unsigned int)csrV.size());
*csrSize = (int)csrV.size();
return ZT_RESULT_OK;
} catch (...) {
return ZT_RESULT_FATAL_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED int ZT_Certificate_sign(
const ZT_Certificate *cert,
const ZT_Identity *signer,
void *signedCert,
int *signedCertSize)
{
try {
if (!cert)
return ZT_RESULT_ERROR_BAD_PARAMETER;
ZeroTier::Certificate c(*cert);
if (!c.sign(*reinterpret_cast<const ZeroTier::Identity *>(signer)))
return ZT_RESULT_ERROR_INTERNAL;
const ZeroTier::Vector< uint8_t > enc(c.encode());
if ((int)enc.size() > *signedCertSize)
return ZT_RESULT_ERROR_BAD_PARAMETER;
ZeroTier::Utils::copy(signedCert, enc.data(), (unsigned int)enc.size());
*signedCertSize = (int)enc.size();
return ZT_RESULT_OK;
} catch (...) {
return ZT_RESULT_FATAL_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED enum ZT_CertificateError ZT_Certificate_decode(
const ZT_Certificate **decodedCert,
const void *cert,
int certSize,
int verify)
{
try {
if ((!decodedCert) || (!cert) || (certSize <= 0))
return ZT_CERTIFICATE_ERROR_INVALID_FORMAT;
*decodedCert = nullptr;
ZeroTier::Certificate *const c = new ZeroTier::Certificate();
if (!c->decode(cert, certSize)) {
delete c;
return ZT_CERTIFICATE_ERROR_INVALID_FORMAT;
}
if (verify) {
const ZT_CertificateError err = c->verify(-1, true);
if (err != ZT_CERTIFICATE_ERROR_NONE) {
delete c;
return err;
}
}
*decodedCert = c;
return ZT_CERTIFICATE_ERROR_NONE;
} catch (...) {
return ZT_CERTIFICATE_ERROR_INVALID_FORMAT;
}
}
ZT_MAYBE_UNUSED int ZT_Certificate_encode(
const ZT_Certificate *cert,
void *encoded,
int *encodedSize)
{
try {
if ((!cert) || (!encoded) || (!encodedSize))
return ZT_RESULT_ERROR_BAD_PARAMETER;
ZeroTier::Certificate c(*cert);
ZeroTier::Vector< uint8_t > enc(c.encode());
if ((int)enc.size() > *encodedSize)
return ZT_RESULT_ERROR_BAD_PARAMETER;
ZeroTier::Utils::copy(encoded, enc.data(), (unsigned int)enc.size());
*encodedSize = (int)enc.size();
return ZT_RESULT_OK;
} catch (...) {
return ZT_RESULT_FATAL_ERROR_INTERNAL;
}
}
ZT_MAYBE_UNUSED enum ZT_CertificateError ZT_Certificate_verify(
const ZT_Certificate *cert,
int64_t clock)
{
try {
if (!cert)
return ZT_CERTIFICATE_ERROR_INVALID_FORMAT;
return ZeroTier::Certificate(*cert).verify(clock, true);
} catch (...) {
return ZT_CERTIFICATE_ERROR_INVALID_FORMAT;
}
}
ZT_MAYBE_UNUSED const ZT_Certificate *ZT_Certificate_clone(const ZT_Certificate *cert)
{
try {
if (!cert)
return nullptr;
return (const ZT_Certificate *)(new ZeroTier::Certificate(*cert));
} catch (...) {
return nullptr;
}
}
ZT_MAYBE_UNUSED void ZT_Certificate_delete(const ZT_Certificate *cert)
{
try {
if (cert)
delete (const ZeroTier::Certificate *)(cert);
} catch (...) {}
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED char *ZT_Endpoint_toString(
const ZT_Endpoint *ep,
char *buf,
int capacity)
{
if ((!ep) || (!buf) || (capacity < ZT_ENDPOINT_STRING_SIZE_MAX))
return nullptr;
return reinterpret_cast<const ZeroTier::Endpoint *>(ep)->toString(buf);
}
ZT_MAYBE_UNUSED int ZT_Endpoint_fromString(
ZT_Endpoint *ep,
const char *str)
{
if ((!ep) || (!str))
return ZT_RESULT_ERROR_BAD_PARAMETER;
return reinterpret_cast<ZeroTier::Endpoint *>(ep)->fromString(str) ? ZT_RESULT_OK : ZT_RESULT_ERROR_BAD_PARAMETER;
}
ZT_MAYBE_UNUSED int ZT_Endpoint_fromBytes(
ZT_Endpoint *ep,
const void *bytes,
unsigned int len)
{
if ((!ep) || (!bytes) || (!len))
return ZT_RESULT_ERROR_BAD_PARAMETER;
return (reinterpret_cast<ZeroTier::Endpoint *>(ep)->unmarshal(reinterpret_cast<const uint8_t *>(bytes), (int)len) > 0) ? 0 : ZT_RESULT_ERROR_BAD_PARAMETER;
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED char *ZT_Fingerprint_toString(const ZT_Fingerprint *fp, char *buf, int capacity)
{
if (capacity < ZT_FINGERPRINT_STRING_SIZE_MAX)
return nullptr;
return reinterpret_cast<const ZeroTier::Fingerprint *>(fp)->toString(buf);
}
ZT_MAYBE_UNUSED int ZT_Fingerprint_fromString(ZT_Fingerprint *fp, const char *s)
{
if ((!fp)||(!s))
return 0;
ZeroTier::Fingerprint f;
if (f.fromString(s)) {
*fp = f;
return 1;
}
return 0;
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED void ZT_InetAddress_clear(ZT_InetAddress *ia)
{
if (likely(ia != nullptr))
ZeroTier::Utils::zero<sizeof(ZT_InetAddress)>(ia);
}
ZT_MAYBE_UNUSED char *ZT_InetAddress_toString(const ZT_InetAddress *ia, char *buf, unsigned int cap)
{
if (likely((cap > 0)&&(buf != nullptr))) {
if (likely((ia != nullptr)&&(cap >= ZT_INETADDRESS_STRING_SIZE_MAX))) {
reinterpret_cast<const ZeroTier::InetAddress *>(ia)->toString(buf);
} else {
buf[0] = 0;
}
}
return buf;
}
ZT_MAYBE_UNUSED int ZT_InetAddress_fromString(ZT_InetAddress *ia, const char *str)
{
if (likely((ia != nullptr)&&(str != nullptr))) {
return (int)reinterpret_cast<ZeroTier::InetAddress *>(ia)->fromString(str);
}
return 0;
}
ZT_MAYBE_UNUSED void ZT_InetAddress_set(ZT_InetAddress *ia, const void *saddr)
{
if (likely(ia != nullptr))
(*reinterpret_cast<ZeroTier::InetAddress *>(ia)) = reinterpret_cast<const struct sockaddr *>(saddr);
}
ZT_MAYBE_UNUSED void ZT_InetAddress_setIpBytes(ZT_InetAddress *ia, const void *ipBytes, unsigned int ipLen, unsigned int port)
{
if (likely(ia != nullptr))
reinterpret_cast<ZeroTier::InetAddress *>(ia)->set(ipBytes, ipLen, port);
}
ZT_MAYBE_UNUSED void ZT_InetAddress_setPort(ZT_InetAddress *ia, unsigned int port)
{
if (likely(ia != nullptr))
reinterpret_cast<ZeroTier::InetAddress *>(ia)->setPort(port);
}
ZT_MAYBE_UNUSED unsigned int ZT_InetAddress_port(const ZT_InetAddress *ia)
{
if (likely(ia != nullptr))
return reinterpret_cast<const ZeroTier::InetAddress *>(ia)->port();
return 0;
}
ZT_MAYBE_UNUSED int ZT_InetAddress_isNil(const ZT_InetAddress *ia)
{
if (!ia)
return 0;
return (int)((bool)(*reinterpret_cast<const ZeroTier::InetAddress *>(ia)));
}
ZT_MAYBE_UNUSED int ZT_InetAddress_isV4(const ZT_InetAddress *ia)
{
if (!ia)
return 0;
return (int)(reinterpret_cast<const ZeroTier::InetAddress *>(ia))->isV4();
}
ZT_MAYBE_UNUSED int ZT_InetAddress_isV6(const ZT_InetAddress *ia)
{
if (!ia)
return 0;
return (int)(reinterpret_cast<const ZeroTier::InetAddress *>(ia))->isV6();
}
ZT_MAYBE_UNUSED unsigned int ZT_InetAddress_ipBytes(const ZT_InetAddress *ia, void *buf)
{
if (ia) {
switch(reinterpret_cast<const ZeroTier::InetAddress *>(ia)->as.sa.sa_family) {
case AF_INET:
ZeroTier::Utils::copy<4>(buf, &(reinterpret_cast<const ZeroTier::InetAddress *>(ia)->as.sa_in.sin_addr.s_addr));
return 4;
case AF_INET6:
ZeroTier::Utils::copy<16>(buf, reinterpret_cast<const ZeroTier::InetAddress *>(ia)->as.sa_in6.sin6_addr.s6_addr);
return 16;
}
}
return 0;
}
ZT_MAYBE_UNUSED enum ZT_InetAddress_IpScope ZT_InetAddress_ipScope(const ZT_InetAddress *ia)
{
if (likely(ia != nullptr))
return reinterpret_cast<const ZeroTier::InetAddress *>(ia)->ipScope();
return ZT_IP_SCOPE_NONE;
}
ZT_MAYBE_UNUSED int ZT_InetAddress_compare(const ZT_InetAddress *a, const ZT_InetAddress *b)
{
if (a) {
if (b) {
if (*reinterpret_cast<const ZeroTier::InetAddress *>(a) < *reinterpret_cast<const ZeroTier::InetAddress *>(b)) {
return -1;
} else if (*reinterpret_cast<const ZeroTier::InetAddress *>(b) < *reinterpret_cast<const ZeroTier::InetAddress *>(a)) {
return 1;
} else {
return 0;
}
} else {
return 1;
}
} else if (b) {
return -1;
} else {
return 0;
}
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED int ZT_Dictionary_parse(const void *const dict, const unsigned int len, void *const arg, void (*f)(void *, const char *, unsigned int, const void *, unsigned int))
{
ZeroTier::Dictionary d;
if (d.decode(dict, len)) {
for(ZeroTier::Dictionary::const_iterator i(d.begin());i!=d.end();++i) {
f(arg, i->first.c_str(), (unsigned int)i->first.length(), i->second.data(), (unsigned int)i->second.size());
}
return 1;
}
return 0;
}
/********************************************************************************************************************/
ZT_MAYBE_UNUSED uint64_t ZT_random()
{ return ZeroTier::Utils::random(); }
} // extern "C"