workinprogress

node/Locator.hpp

@@ -116,6 +116,24 @@ public:
 		}
 	}
 
+	inline std::pair< Str,std::vector<Str> > makeTxtRecords(const uint8_t p384SigningKeyPrivate[ZT_ECC384_PUBLIC_KEY_SIZE],const uint8_t p384SigningKeyPublic[ZT_ECC384_PUBLIC_KEY_SIZE])
+	{
+		uint8_t s384[48],dnsSig[ZT_ECC384_SIGNATURE_SIZE];
+		char dnsSigTxtF0[64],dnsSigTxtF1[64],dnsSigTxtF2[64];
+
+		Buffer<16384> *tmp = new Buffer<16384>(); // 16384 would be huge
+		serialize(*tmp,false);
+		SHA384(s384,tmp->data(),tmp->size());
+		ECC384ECDSASign(p384SigningKeyPrivate,s384,dnsSig);
+
+		Utils::b32e(dnsSig,32,dnsSigTxtF0,sizeof(dnsSigTxtF0));
+		Utils::b32e(dnsSig+32,32,dnsSigTxtF0,sizeof(dnsSigTxtF0));
+		Utils::b32e(dnsSig+64,32,dnsSigTxtF0,sizeof(dnsSigTxtF0));
+		Str name;
+
+		delete tmp;
+	}
+
 	template<unsigned int C>
 	inline void serialize(Buffer<C> &b,const bool forSign = false) const
 	{

node/Str.hpp

@@ -0,0 +1,158 @@
+/*
+ * ZeroTier One - Network Virtualization Everywhere
+ * Copyright (C) 2011-2019  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.
+ */
+
+#ifndef ZT_STR_HPP
+#define ZT_STR_HPP
+
+#include "Constants.hpp"
+#include "Utils.hpp"
+#include "Address.hpp"
+#include "MAC.hpp"
+#include "InetAddress.hpp"
+
+#define ZT_STR_CAPACITY 254
+
+namespace ZeroTier {
+
+class Str
+{
+public:
+	Str() { _l = 0; _s[0] = 0; }
+	Str(const Str &s)
+	{
+		_l = s._l;
+		memcpy(_s,s._s,_l+1);
+	}
+	Str(const char *s)
+	{
+		_l = 0;
+		_s[0] = 0;
+		(*this) << s;
+	}
+
+	inline Str &operator=(const Str &s)
+	{
+		_l = s._l;
+		memcpy(_s,s._s,_l+1);
+		return *this;
+	}
+	inline Str &operator=(const char *s)
+	{
+		_l = 0;
+		_s[0] = 0;
+		return ((*this) << s);
+	}
+
+	inline char operator[](const unsigned int i) const
+	{
+		if (unlikely(i >= (unsigned int)_l))
+			throw ZT_EXCEPTION_OUT_OF_BOUNDS;
+		return _s[i];
+	}
+
+	inline void clear() { _l = 0; _s[0] = 0; }
+	inline const char *c_str() const { return _s; }
+	inline unsigned int length() const { return _l; }
+
+	inline Str &operator<<(const char *s)
+	{
+		if (likely(s != (const char *)0)) {
+			unsigned long l = _l;
+			while (*s) {
+				if (unlikely(l >= ZT_STR_CAPACITY)) {
+					_s[l] = 0;
+					_l = (uint8_t)l;
+					throw ZT_EXCEPTION_OUT_OF_BOUNDS;
+				}
+				_s[l++] = *s;
+			}
+			_s[l] = 0;
+			_l = (uint8_t)l;
+		}
+		return *this;
+	}
+	inline Str &operator<<(const Str &s) { return ((*this) << s._s); }
+	inline Str &operator<<(const char c)
+	{
+		if (likely(c != 0)) {
+			if (unlikely(_l >= ZT_STR_CAPACITY)) {
+				_s[_l] = 0;
+				throw ZT_EXCEPTION_OUT_OF_BOUNDS;
+			}
+			_s[_l++] = c;
+			_s[_l] = 0;
+		}
+	}
+	inline Str &operator<<(const unsigned long n)
+	{
+		char tmp[32];
+		Utils::decimal(n,tmp);
+		return ((*this) << tmp);
+	}
+	inline Str &operator<<(const unsigned int n)
+	{
+		char tmp[32];
+		Utils::decimal((unsigned long)n,tmp);
+		return ((*this) << tmp);
+	}
+	inline Str &operator<<(const Address &a)
+	{
+		char tmp[32];
+		return ((*this) << a.toString(tmp));
+	}
+	inline Str &operator<<(const InetAddress &a)
+	{
+		char tmp[128];
+		return ((*this) << a.toString(tmp));
+	}
+	inline Str &operator<<(const MAC &a)
+	{
+		char tmp[64];
+		return ((*this) << a.toString(tmp));
+	}
+
+	inline bool operator==(const Str &s) const { return ((_l == s._l)&&(strcmp(_s,s._s) == 0)); }
+	inline bool operator!=(const Str &s) const { return ((_l != s._l)||(strcmp(_s,s._s) != 0)); }
+	inline bool operator<(const Str &s) const { return ((_l < s._l)&&(strcmp(_s,s._s) < 0)); }
+	inline bool operator>(const Str &s) const { return ((_l > s._l)&&(strcmp(_s,s._s) > 0)); }
+	inline bool operator<=(const Str &s) const { return ((_l <= s._l)&&(strcmp(_s,s._s) <= 0)); }
+	inline bool operator>=(const Str &s) const { return ((_l >= s._l)&&(strcmp(_s,s._s) >= 0)); }
+
+	inline bool operator==(const char *s) const { return (strcmp(_s,s) == 0); }
+	inline bool operator!=(const char *s) const { return (strcmp(_s,s) != 0); }
+	inline bool operator<(const char *s) const { return (strcmp(_s,s) < 0); }
+	inline bool operator>(const char *s) const { return (strcmp(_s,s) > 0); }
+	inline bool operator<=(const char *s) const { return (strcmp(_s,s) <= 0); }
+	inline bool operator>=(const char *s) const { return (strcmp(_s,s) >= 0); }
+
+private:
+	uint8_t _l;
+	char _s[ZT_STR_CAPACITY+1];
+};
+
+} // namespace ZeroTier
+
+#endif