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/*
* ZeroTier One - Network Virtualization Everywhere
* Copyright (C) 2011-2016 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/>.
*/
#ifndef ZT_NETWORKCONFIGREQUESTMETADATA_HPP
#define ZT_NETWORKCONFIGREQUESTMETADATA_HPP
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include "Constants.hpp"
#include "NetworkConfig.hpp"
#include "Buffer.hpp"
#include "../version.h"
namespace ZeroTier {
/**
* Network configuration request meta data
*/
class NetworkConfigRequestMetaData
{
public:
NetworkConfigRequestMetaData() :
buildId(0),
flags(0),
vendor(ZT_VENDOR_ZEROTIER),
platform(ZT_PLATFORM_UNSPECIFIED),
architecture(ZT_ARCHITECTURE_UNSPECIFIED),
majorVersion(ZEROTIER_ONE_VERSION_MAJOR),
minorVersion(ZEROTIER_ONE_VERSION_MINOR),
revision(ZEROTIER_ONE_VERSION_REVISION)
{
memset(auth,0,sizeof(auth));
}
NetworkConfigRequestMetaData(bool foo)
{
memset(this,0,sizeof(NetworkConfigRequestMetaData));
}
template<unsigned int C>
inline void serialize(Buffer<C> &b) const
{
// Unlike network config we always send the old fields. Newer network
// controllers will detect the presence of the new serialized data by
// detecting extra data after the terminating NULL. But always sending
// these maintains backward compatibility with old controllers.
b.appendCString("majv="ZEROTIER_ONE_VERSION_MAJOR_S"\nminv="ZEROTIER_ONE_VERSION_MINOR_S"\nrevv="ZEROTIER_ONE_VERSION_REVISION_S"\n");
b.append((uint16_t)1); // version
b.append((uint64_t)buildId);
b.append((uint64_t)flags);
b.append((uint16_t)vendor);
b.append((uint16_t)platform);
b.append((uint16_t)architecture);
b.append((uint16_t)majorVersion);
b.append((uint16_t)minorVersion);
b.append((uint16_t)revision);
unsigned int tl = (unsigned int)strlen(auth);
if (tl > 255) tl = 255; // sanity check
b.append((uint8_t)tl);
b.append((const void *)auth,tl);
b.append((uint16_t)0); // extended bytes, currently 0 since unused
}
template<unsigned int C>
inline unsigned int deserialize(const Buffer<C> &b,unsigned int startAt = 0)
{
memset(this,0,sizeof(NetworkConfigRequestMetaData));
unsigned int p = startAt;
// Seek past old style meta-data
while (b[p]) ++p;
if (b.template at<uint16_t>(p) != 1)
throw std::invalid_argument("unrecognized version");
p += 2;
buildId = b.template at<uint64_t>(p); p += 8;
flags = b.template at<uint64_t>(p); p += 8;
vendor = (ZT_Vendor)b.template at<uint16_t>(p); p += 2;
platform = (ZT_Platform)b.template at<uint16_t>(p); p += 2;
architecture = (ZT_Architecture)b.template at<uint16_t>(p); p += 2;
majorVersion = b.template at<uint16_t>(p); p += 2;
minorVersion = b.template at<uint16_t>(p); p += 2;
revision = b.template at<uint16_t>(p); p += 2;
unsigned int tl = (unsigned int)b[p++];
memcpy(auth,b.field(p,tl),std::max(tl,(unsigned int)ZT_MAX_NETWORK_SHORT_NAME_LENGTH));
// auth[] is ZT_MAX_NETWORK_SHORT_NAME_LENGTH + 1 and so will always end up null-terminated since we zeroed the structure
p += tl;
p += b.template at<uint16_t>(p) + 2;
return (p - startAt);
}
inline void clear()
{
memset(this,0,sizeof(NetworkConfigRequestMetaData));
}
/**
* Build ID (currently unused, must be 0)
*/
uint64_t buildId;
/**
* Flags (currently unused, must be 0)
*/
uint64_t flags;
/**
* ZeroTier vendor or 0 for unspecified
*/
ZT_Vendor vendor;
/**
* ZeroTier platform or 0 for unspecified
*/
ZT_Platform platform;
/**
* ZeroTier architecture or 0 for unspecified
*/
ZT_Architecture architecture;
/**
* ZeroTier software major version
*/
unsigned int majorVersion;
/**
* ZeroTier software minor version
*/
unsigned int minorVersion;
/**
* ZeroTier software revision
*/
unsigned int revision;
/**
* Authentication data (e.g. bearer=<token>)
*/
char auth[ZT_MAX_NETWORK_SHORT_NAME_LENGTH + 1];
};
} // namespace ZeroTier
#endif
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