mirror of
https://github.com/zerotier/ZeroTierOne.git
synced 2025-06-05 20:13:44 +02:00
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This commit is contained in:
parent
c1b2c7903c
commit
19899de5a6
13 changed files with 439 additions and 592 deletions
147
node/Address.hpp
147
node/Address.hpp
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@ -18,8 +18,11 @@
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <math.h>
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#include <string>
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#include <vector>
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#include <algorithm>
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#include "Constants.hpp"
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#include "Utils.hpp"
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@ -33,24 +36,24 @@ namespace ZeroTier {
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class Address
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{
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public:
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inline Address() : _a(0) {}
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inline Address(const Address &a) : _a(a._a) {}
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inline Address(uint64_t a) : _a(a & 0xffffffffffULL) {}
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ZT_ALWAYS_INLINE Address() : _a(0) {}
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ZT_ALWAYS_INLINE Address(const Address &a) : _a(a._a) {}
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ZT_ALWAYS_INLINE Address(uint64_t a) : _a(a & 0xffffffffffULL) {}
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/**
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* @param bits Raw address -- 5 bytes, big-endian byte order
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* @param len Length of array
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*/
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inline Address(const void *bits,unsigned int len) { setTo(bits,len); }
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ZT_ALWAYS_INLINE Address(const void *bits,unsigned int len) { setTo(bits,len); }
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inline Address &operator=(const Address &a) { _a = a._a; return *this; }
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inline Address &operator=(const uint64_t a) { _a = (a & 0xffffffffffULL); return *this; }
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ZT_ALWAYS_INLINE Address &operator=(const Address &a) { _a = a._a; return *this; }
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ZT_ALWAYS_INLINE Address &operator=(const uint64_t a) { _a = (a & 0xffffffffffULL); return *this; }
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/**
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* @param bits Raw address -- 5 bytes, big-endian byte order
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* @param len Length of array
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*/
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inline void setTo(const void *bits,const unsigned int len)
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ZT_ALWAYS_INLINE void setTo(const void *bits,const unsigned int len)
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{
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if (len < ZT_ADDRESS_LENGTH) {
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_a = 0;
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@ -69,7 +72,7 @@ public:
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* @param bits Buffer to hold 5-byte address in big-endian byte order
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* @param len Length of array
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*/
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inline void copyTo(void *const bits,const unsigned int len) const
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ZT_ALWAYS_INLINE void copyTo(void *const bits,const unsigned int len) const
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{
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if (len < ZT_ADDRESS_LENGTH)
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return;
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@ -87,7 +90,7 @@ public:
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* @param b Buffer to append to
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*/
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template<unsigned int C>
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inline void appendTo(Buffer<C> &b) const
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ZT_ALWAYS_INLINE void appendTo(Buffer<C> &b) const
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{
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unsigned char *p = (unsigned char *)b.appendField(ZT_ADDRESS_LENGTH);
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*(p++) = (unsigned char)((_a >> 32) & 0xff);
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@ -100,22 +103,22 @@ public:
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/**
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* @return Integer containing address (0 to 2^40)
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*/
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inline uint64_t toInt() const { return _a; }
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ZT_ALWAYS_INLINE uint64_t toInt() const { return _a; }
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/**
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* @return Hash code for use with Hashtable
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*/
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inline unsigned long hashCode() const { return (unsigned long)_a; }
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ZT_ALWAYS_INLINE unsigned long hashCode() const { return (unsigned long)_a; }
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/**
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* @return Hexadecimal string
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*/
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inline char *toString(char buf[11]) const { return Utils::hex10(_a,buf); }
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ZT_ALWAYS_INLINE char *toString(char buf[11]) const { return Utils::hex10(_a,buf); }
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/**
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* @return True if this address is not zero
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*/
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inline operator bool() const { return (_a != 0); }
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ZT_ALWAYS_INLINE operator bool() const { return (_a != 0); }
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/**
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* Check if this address is reserved
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@ -126,33 +129,115 @@ public:
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*
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* @return True if address is reserved and may not be used
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*/
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inline bool isReserved() const { return ((!_a)||((_a >> 32) == ZT_ADDRESS_RESERVED_PREFIX)); }
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ZT_ALWAYS_INLINE bool isReserved() const { return ((!_a)||((_a >> 32) == ZT_ADDRESS_RESERVED_PREFIX)); }
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/**
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* @param i Value from 0 to 4 (inclusive)
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* @return Byte at said position (address interpreted in big-endian order)
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*/
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inline uint8_t operator[](unsigned int i) const { return (uint8_t)(_a >> (32 - (i * 8))); }
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ZT_ALWAYS_INLINE uint8_t operator[](unsigned int i) const { return (uint8_t)(_a >> (32 - (i * 8))); }
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inline operator unsigned int() const { return (unsigned int)_a; }
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inline operator unsigned long() const { return (unsigned long)_a; }
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inline operator unsigned long long() const { return (unsigned long long)_a; }
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ZT_ALWAYS_INLINE operator unsigned int() const { return (unsigned int)_a; }
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ZT_ALWAYS_INLINE operator unsigned long() const { return (unsigned long)_a; }
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ZT_ALWAYS_INLINE operator unsigned long long() const { return (unsigned long long)_a; }
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inline void zero() { _a = 0; }
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ZT_ALWAYS_INLINE void zero() { _a = 0; }
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inline bool operator==(const uint64_t &a) const { return (_a == (a & 0xffffffffffULL)); }
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inline bool operator!=(const uint64_t &a) const { return (_a != (a & 0xffffffffffULL)); }
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inline bool operator>(const uint64_t &a) const { return (_a > (a & 0xffffffffffULL)); }
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inline bool operator<(const uint64_t &a) const { return (_a < (a & 0xffffffffffULL)); }
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inline bool operator>=(const uint64_t &a) const { return (_a >= (a & 0xffffffffffULL)); }
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inline bool operator<=(const uint64_t &a) const { return (_a <= (a & 0xffffffffffULL)); }
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ZT_ALWAYS_INLINE bool operator==(const uint64_t &a) const { return (_a == (a & 0xffffffffffULL)); }
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ZT_ALWAYS_INLINE bool operator!=(const uint64_t &a) const { return (_a != (a & 0xffffffffffULL)); }
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ZT_ALWAYS_INLINE bool operator>(const uint64_t &a) const { return (_a > (a & 0xffffffffffULL)); }
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ZT_ALWAYS_INLINE bool operator<(const uint64_t &a) const { return (_a < (a & 0xffffffffffULL)); }
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ZT_ALWAYS_INLINE bool operator>=(const uint64_t &a) const { return (_a >= (a & 0xffffffffffULL)); }
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ZT_ALWAYS_INLINE bool operator<=(const uint64_t &a) const { return (_a <= (a & 0xffffffffffULL)); }
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inline bool operator==(const Address &a) const { return (_a == a._a); }
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inline bool operator!=(const Address &a) const { return (_a != a._a); }
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inline bool operator>(const Address &a) const { return (_a > a._a); }
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inline bool operator<(const Address &a) const { return (_a < a._a); }
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inline bool operator>=(const Address &a) const { return (_a >= a._a); }
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inline bool operator<=(const Address &a) const { return (_a <= a._a); }
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ZT_ALWAYS_INLINE bool operator==(const Address &a) const { return (_a == a._a); }
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ZT_ALWAYS_INLINE bool operator!=(const Address &a) const { return (_a != a._a); }
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ZT_ALWAYS_INLINE bool operator>(const Address &a) const { return (_a > a._a); }
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ZT_ALWAYS_INLINE bool operator<(const Address &a) const { return (_a < a._a); }
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ZT_ALWAYS_INLINE bool operator>=(const Address &a) const { return (_a >= a._a); }
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ZT_ALWAYS_INLINE bool operator<=(const Address &a) const { return (_a <= a._a); }
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/**
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* Create a list of the first N bits of a list of unique addresses with N as the minimum unique size
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*
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* The list is stored in a space-efficient packed bit format.
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*
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* @param start Starting Address iterator/pointer
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* @param end Ending Address iterator/pointer
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* @param list Pointer to location to write list
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* @param listCapacityBytes Number of bytes available for list
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* @return Number of bytes written or -1 on overflow or other error
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* @tparam I Input iterator type
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*/
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template<typename I>
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static inline int createMinPrefixList(I start,I end,uint8_t *list,const int listCapacityBytes)
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{
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std::vector<Address> sortedAddrs(start,end);
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if (sortedAddrs.empty())
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return 0;
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if (listCapacityBytes == 0)
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return -1;
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std::sort(sortedAddrs.begin(),sortedAddrs.end());
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unsigned int bits = (unsigned int)fmaxf(log2f((float)(sortedAddrs.size() * 2)),3.0F);
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uint64_t mask;
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try_additional_bits: {
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mask = 0xffffffffffffffffULL >> (64 - bits);
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std::vector<Address>::iterator a(sortedAddrs.begin());
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uint64_t aa = *(a++) & mask;
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aa |= (uint64_t)(aa == 0);
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uint64_t lastMaskedAddress = aa;
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while (a != sortedAddrs.end()) {
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aa = *(a++) & mask;
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aa |= (uint64_t)(aa == 0);
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if (aa == lastMaskedAddress) {
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++bits;
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goto try_additional_bits;
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}
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lastMaskedAddress = aa;
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}
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}
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int l = 0;
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unsigned int bitPtr = 0;
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for(I a(start);a!=end;) {
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uint64_t aa = *(a++) & mask;
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aa |= (uint64_t)(aa == 0);
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unsigned int br = bits;
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if (bitPtr > 0) {
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unsigned int w = 8 - bitPtr;
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if (w > br) w = br;
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list[l] = (list[l] << w) | (((uint8_t)aa) & (0xff >> (8 - w)));
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bitPtr += w;
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if (bitPtr == 8) {
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bitPtr = 0;
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if (l >= listCapacityBytes)
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return -1;
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++l;
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}
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aa >>= w;
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br -= w;
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}
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while (br >= 8) {
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if (l >= listCapacityBytes)
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return -1;
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list[l++] = (uint8_t)aa;
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br -= 8;
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aa >>= 8;
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}
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if (br > 0) {
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list[l] = (uint8_t)aa;
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bitPtr = br;
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}
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}
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if (bitPtr > 0) {
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if (l >= listCapacityBytes)
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return -1;
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++l;
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}
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return l;
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}
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private:
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uint64_t _a;
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class AtomicCounter
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{
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public:
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inline AtomicCounter() { _v = 0; }
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ZT_ALWAYS_INLINE AtomicCounter() { _v = 0; }
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inline int load() const
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ZT_ALWAYS_INLINE int load() const
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{
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#ifdef __GNUC__
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return __sync_or_and_fetch(const_cast<int *>(&_v),0);
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#endif
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}
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inline int operator++()
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ZT_ALWAYS_INLINE int operator++()
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{
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#ifdef __GNUC__
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return __sync_add_and_fetch(&_v,1);
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#endif
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}
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inline int operator--()
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ZT_ALWAYS_INLINE int operator--()
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{
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#ifdef __GNUC__
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return __sync_sub_and_fetch(&_v,1);
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}
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private:
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inline AtomicCounter(const AtomicCounter &) {}
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inline const AtomicCounter &operator=(const AtomicCounter &) { return *this; }
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ZT_ALWAYS_INLINE AtomicCounter(const AtomicCounter &) {}
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ZT_ALWAYS_INLINE const AtomicCounter &operator=(const AtomicCounter &) { return *this; }
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#ifdef __GNUC__
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int _v;
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@ -29,6 +29,7 @@ set(core_headers
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Network.hpp
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NetworkConfig.hpp
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Node.hpp
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OS.hpp
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Packet.hpp
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Path.hpp
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Peer.hpp
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@ -56,8 +56,8 @@ public:
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P384 = ZT_CRYPTO_ALG_P384 // Type 1 -- NIST P-384 with linked Curve25519/Ed25519 secondaries (2.x+)
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};
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inline Identity() { memset(reinterpret_cast<void *>(this),0,sizeof(Identity)); }
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inline ~Identity() { Utils::burn(reinterpret_cast<void *>(&this->_priv),sizeof(this->_priv)); }
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ZT_ALWAYS_INLINE Identity() { memset(reinterpret_cast<void *>(this),0,sizeof(Identity)); }
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ZT_ALWAYS_INLINE ~Identity() { Utils::burn(reinterpret_cast<void *>(&this->_priv),sizeof(this->_priv)); }
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/**
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* Construct identity from string
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*
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* @param str Identity in canonical string format
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*/
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inline Identity(const char *str) { fromString(str); }
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template<unsigned int C>
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inline Identity(const Buffer<C> &b,unsigned int startAt = 0) { deserialize(b,startAt); }
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ZT_ALWAYS_INLINE Identity(const char *str) { fromString(str); }
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/**
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* Set identity to NIL value (all zero)
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*/
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inline void zero() { memset(reinterpret_cast<void *>(this),0,sizeof(Identity)); }
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ZT_ALWAYS_INLINE void zero() { memset(reinterpret_cast<void *>(this),0,sizeof(Identity)); }
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/**
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* @return Identity type (undefined if identity is null or invalid)
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*/
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inline Type type() const { return _type; }
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ZT_ALWAYS_INLINE Type type() const { return _type; }
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/**
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* Generate a new identity (address, key pair)
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@ -101,7 +98,7 @@ public:
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/**
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* @return True if this identity contains a private key
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*/
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inline bool hasPrivate() const { return _hasPrivate; }
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ZT_ALWAYS_INLINE bool hasPrivate() const { return _hasPrivate; }
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/**
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* This generates a SHA384 hash of this identity's keys.
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@ -244,7 +241,7 @@ public:
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/**
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* @return This identity's address
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*/
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inline const Address &address() const { return _address; }
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ZT_ALWAYS_INLINE const Address &address() const { return _address; }
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/**
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* Serialize this identity (binary)
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@ -371,9 +368,9 @@ public:
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/**
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* @return True if this identity contains something
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*/
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inline operator bool() const { return (_address); }
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ZT_ALWAYS_INLINE operator bool() const { return (_address); }
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inline bool operator==(const Identity &id) const
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ZT_ALWAYS_INLINE bool operator==(const Identity &id) const
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{
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if ((_address == id._address)&&(_type == id._type)) {
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switch(_type) {
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}
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return false;
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}
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inline bool operator<(const Identity &id) const
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ZT_ALWAYS_INLINE bool operator<(const Identity &id) const
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{
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if (_address < id._address)
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return true;
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@ -401,15 +398,15 @@ public:
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}
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return false;
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}
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inline bool operator!=(const Identity &id) const { return !(*this == id); }
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inline bool operator>(const Identity &id) const { return (id < *this); }
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inline bool operator<=(const Identity &id) const { return !(id < *this); }
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inline bool operator>=(const Identity &id) const { return !(*this < id); }
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ZT_ALWAYS_INLINE bool operator!=(const Identity &id) const { return !(*this == id); }
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ZT_ALWAYS_INLINE bool operator>(const Identity &id) const { return (id < *this); }
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ZT_ALWAYS_INLINE bool operator<=(const Identity &id) const { return !(id < *this); }
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ZT_ALWAYS_INLINE bool operator>=(const Identity &id) const { return !(*this < id); }
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inline unsigned long hashCode() const { return ((unsigned long)_address.toInt() + (unsigned long)_pub.c25519[0] + (unsigned long)_pub.c25519[1] + (unsigned long)_pub.c25519[2]); }
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ZT_ALWAYS_INLINE unsigned long hashCode() const { return ((unsigned long)_address.toInt() + (unsigned long)_pub.c25519[0] + (unsigned long)_pub.c25519[1] + (unsigned long)_pub.c25519[2]); }
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// Marshal interface ///////////////////////////////////////////////////////
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static inline int marshalSizeMax() { return ZT_IDENTITY_MARSHAL_SIZE_MAX; }
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static ZT_ALWAYS_INLINE int marshalSizeMax() { return ZT_IDENTITY_MARSHAL_SIZE_MAX; }
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inline int marshal(uint8_t restrict data[ZT_IDENTITY_MARSHAL_SIZE_MAX],const bool includePrivate = false) const
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{
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_address.copyTo(data,ZT_ADDRESS_LENGTH);
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60
node/MAC.hpp
60
node/MAC.hpp
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@ -31,40 +31,40 @@ namespace ZeroTier {
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class MAC
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{
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public:
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inline MAC() : _m(0ULL) {}
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inline MAC(const MAC &m) : _m(m._m) {}
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ZT_ALWAYS_INLINE MAC() : _m(0ULL) {}
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ZT_ALWAYS_INLINE MAC(const MAC &m) : _m(m._m) {}
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inline MAC(const unsigned char a,const unsigned char b,const unsigned char c,const unsigned char d,const unsigned char e,const unsigned char f) :
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ZT_ALWAYS_INLINE MAC(const unsigned char a,const unsigned char b,const unsigned char c,const unsigned char d,const unsigned char e,const unsigned char f) :
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_m( ((((uint64_t)a) & 0xffULL) << 40) |
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((((uint64_t)b) & 0xffULL) << 32) |
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((((uint64_t)c) & 0xffULL) << 24) |
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((((uint64_t)d) & 0xffULL) << 16) |
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((((uint64_t)e) & 0xffULL) << 8) |
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(((uint64_t)f) & 0xffULL) ) {}
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inline MAC(const void *bits,unsigned int len) { setTo(bits,len); }
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inline MAC(const Address &ztaddr,uint64_t nwid) { fromAddress(ztaddr,nwid); }
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inline MAC(const uint64_t m) : _m(m & 0xffffffffffffULL) {}
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ZT_ALWAYS_INLINE MAC(const void *bits,unsigned int len) { setTo(bits,len); }
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ZT_ALWAYS_INLINE MAC(const Address &ztaddr,uint64_t nwid) { fromAddress(ztaddr,nwid); }
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ZT_ALWAYS_INLINE MAC(const uint64_t m) : _m(m & 0xffffffffffffULL) {}
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/**
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* @return MAC in 64-bit integer
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*/
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inline uint64_t toInt() const { return _m; }
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ZT_ALWAYS_INLINE uint64_t toInt() const { return _m; }
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/**
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* Set MAC to zero
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||||
*/
|
||||
inline void zero() { _m = 0ULL; }
|
||||
ZT_ALWAYS_INLINE void zero() { _m = 0ULL; }
|
||||
|
||||
/**
|
||||
* @return True if MAC is non-zero
|
||||
*/
|
||||
inline operator bool() const { return (_m != 0ULL); }
|
||||
ZT_ALWAYS_INLINE operator bool() const { return (_m != 0ULL); }
|
||||
|
||||
/**
|
||||
* @param bits Raw MAC in big-endian byte order
|
||||
* @param len Length, must be >= 6 or result is zero
|
||||
*/
|
||||
inline void setTo(const void *bits,unsigned int len)
|
||||
ZT_ALWAYS_INLINE void setTo(const void *bits,unsigned int len)
|
||||
{
|
||||
if (len < 6) {
|
||||
_m = 0ULL;
|
||||
|
@ -83,7 +83,7 @@ public:
|
|||
* @param buf Destination buffer for MAC in big-endian byte order
|
||||
* @param len Length of buffer, must be >= 6 or nothing is copied
|
||||
*/
|
||||
inline void copyTo(void *buf,unsigned int len) const
|
||||
ZT_ALWAYS_INLINE void copyTo(void *buf,unsigned int len) const
|
||||
{
|
||||
if (len < 6)
|
||||
return;
|
||||
|
@ -102,7 +102,7 @@ public:
|
|||
* @param b Buffer to append to
|
||||
*/
|
||||
template<unsigned int C>
|
||||
inline void appendTo(Buffer<C> &b) const
|
||||
ZT_ALWAYS_INLINE void appendTo(Buffer<C> &b) const
|
||||
{
|
||||
unsigned char *p = (unsigned char *)b.appendField(6);
|
||||
*(p++) = (unsigned char)((_m >> 40) & 0xff);
|
||||
|
@ -116,17 +116,17 @@ public:
|
|||
/**
|
||||
* @return True if this is broadcast (all 0xff)
|
||||
*/
|
||||
inline bool isBroadcast() const { return (_m == 0xffffffffffffULL); }
|
||||
ZT_ALWAYS_INLINE bool isBroadcast() const { return (_m == 0xffffffffffffULL); }
|
||||
|
||||
/**
|
||||
* @return True if this is a multicast MAC
|
||||
*/
|
||||
inline bool isMulticast() const { return ((_m & 0x010000000000ULL) != 0ULL); }
|
||||
ZT_ALWAYS_INLINE bool isMulticast() const { return ((_m & 0x010000000000ULL) != 0ULL); }
|
||||
|
||||
/**
|
||||
* @param True if this is a locally-administered MAC
|
||||
*/
|
||||
inline bool isLocallyAdministered() const { return ((_m & 0x020000000000ULL) != 0ULL); }
|
||||
ZT_ALWAYS_INLINE bool isLocallyAdministered() const { return ((_m & 0x020000000000ULL) != 0ULL); }
|
||||
|
||||
/**
|
||||
* Set this MAC to a MAC derived from an address and a network ID
|
||||
|
@ -134,7 +134,7 @@ public:
|
|||
* @param ztaddr ZeroTier address
|
||||
* @param nwid 64-bit network ID
|
||||
*/
|
||||
inline void fromAddress(const Address &ztaddr,uint64_t nwid)
|
||||
ZT_ALWAYS_INLINE void fromAddress(const Address &ztaddr,uint64_t nwid)
|
||||
{
|
||||
uint64_t m = ((uint64_t)firstOctetForNetwork(nwid)) << 40;
|
||||
m |= ztaddr.toInt(); // a is 40 bits
|
||||
|
@ -153,7 +153,7 @@ public:
|
|||
*
|
||||
* @param nwid Network ID
|
||||
*/
|
||||
inline Address toAddress(uint64_t nwid) const
|
||||
ZT_ALWAYS_INLINE Address toAddress(uint64_t nwid) const
|
||||
{
|
||||
uint64_t a = _m & 0xffffffffffULL; // least significant 40 bits of MAC are formed from address
|
||||
a ^= ((nwid >> 8) & 0xff) << 32; // ... XORed with bits 8-48 of the nwid in little-endian byte order, so unmask it
|
||||
|
@ -168,7 +168,7 @@ public:
|
|||
* @param nwid Network ID
|
||||
* @return First octet of MAC for this network
|
||||
*/
|
||||
static inline unsigned char firstOctetForNetwork(uint64_t nwid)
|
||||
static ZT_ALWAYS_INLINE unsigned char firstOctetForNetwork(uint64_t nwid)
|
||||
{
|
||||
unsigned char a = ((unsigned char)(nwid & 0xfe) | 0x02); // locally administered, not multicast, from LSB of network ID
|
||||
return ((a == 0x52) ? 0x32 : a); // blacklist 0x52 since it's used by KVM, libvirt, and other popular virtualization engines... seems de-facto standard on Linux
|
||||
|
@ -178,16 +178,16 @@ public:
|
|||
* @param i Value from 0 to 5 (inclusive)
|
||||
* @return Byte at said position (address interpreted in big-endian order)
|
||||
*/
|
||||
inline uint8_t operator[](unsigned int i) const { return (uint8_t)(_m >> (40 - (i * 8))); }
|
||||
ZT_ALWAYS_INLINE uint8_t operator[](unsigned int i) const { return (uint8_t)(_m >> (40 - (i * 8))); }
|
||||
|
||||
/**
|
||||
* @return 6, which is the number of bytes in a MAC, for container compliance
|
||||
*/
|
||||
inline unsigned int size() const { return 6; }
|
||||
ZT_ALWAYS_INLINE unsigned int size() const { return 6; }
|
||||
|
||||
inline unsigned long hashCode() const { return (unsigned long)_m; }
|
||||
ZT_ALWAYS_INLINE unsigned long hashCode() const { return (unsigned long)_m; }
|
||||
|
||||
inline char *toString(char buf[18]) const
|
||||
ZT_ALWAYS_INLINE char *toString(char buf[18]) const
|
||||
{
|
||||
buf[0] = Utils::HEXCHARS[(_m >> 44) & 0xf];
|
||||
buf[1] = Utils::HEXCHARS[(_m >> 40) & 0xf];
|
||||
|
@ -210,23 +210,23 @@ public:
|
|||
return buf;
|
||||
}
|
||||
|
||||
inline MAC &operator=(const MAC &m)
|
||||
ZT_ALWAYS_INLINE MAC &operator=(const MAC &m)
|
||||
{
|
||||
_m = m._m;
|
||||
return *this;
|
||||
}
|
||||
inline MAC &operator=(const uint64_t m)
|
||||
ZT_ALWAYS_INLINE MAC &operator=(const uint64_t m)
|
||||
{
|
||||
_m = m & 0xffffffffffffULL;
|
||||
return *this;
|
||||
}
|
||||
|
||||
inline bool operator==(const MAC &m) const { return (_m == m._m); }
|
||||
inline bool operator!=(const MAC &m) const { return (_m != m._m); }
|
||||
inline bool operator<(const MAC &m) const { return (_m < m._m); }
|
||||
inline bool operator<=(const MAC &m) const { return (_m <= m._m); }
|
||||
inline bool operator>(const MAC &m) const { return (_m > m._m); }
|
||||
inline bool operator>=(const MAC &m) const { return (_m >= m._m); }
|
||||
ZT_ALWAYS_INLINE bool operator==(const MAC &m) const { return (_m == m._m); }
|
||||
ZT_ALWAYS_INLINE bool operator!=(const MAC &m) const { return (_m != m._m); }
|
||||
ZT_ALWAYS_INLINE bool operator<(const MAC &m) const { return (_m < m._m); }
|
||||
ZT_ALWAYS_INLINE bool operator<=(const MAC &m) const { return (_m <= m._m); }
|
||||
ZT_ALWAYS_INLINE bool operator>(const MAC &m) const { return (_m > m._m); }
|
||||
ZT_ALWAYS_INLINE bool operator>=(const MAC &m) const { return (_m >= m._m); }
|
||||
|
||||
private:
|
||||
uint64_t _m;
|
||||
|
|
|
@ -426,25 +426,27 @@ public:
|
|||
* <[...] physical destination address of packet>
|
||||
* [... begin encrypted region ...]
|
||||
* <[2] 16-bit reserved (legacy) field, always 0>
|
||||
* <[2] 16-bit length of locator>
|
||||
* <[...] locator for this node>
|
||||
* <[2] 16-bit length of meta-data dictionary>
|
||||
* <[...] meta-data dictionary>
|
||||
* [... end encrypted region ...]
|
||||
* <[48] HMAC-SHA384 of all fields to this point (as plaintext)>
|
||||
*
|
||||
* HELLO is sent in the clear as it is how peers share their identity
|
||||
* public keys.
|
||||
* HELLO is sent with authentication but without the usual encryption so
|
||||
* that peers can exchange identities.
|
||||
*
|
||||
* Destination address is the actual wire address to which the packet
|
||||
* was sent. See InetAddress::serialize() for format.
|
||||
*
|
||||
* Starting at "begin encrypted section" the reset of the packet is
|
||||
* encrypted with Salsa20/12. This encryption is technically not
|
||||
* absolutely required for security as nothing in this packet is
|
||||
* very sensitive, but hiding the locator and other meta-data slightly
|
||||
* improves privacy.
|
||||
* encrypted with Salsa20/12. This is not the normal packet encryption
|
||||
* and is technically not necessary as nothing in HELLO is secret. It
|
||||
* exists merely to shield meta-data info from passive listeners to
|
||||
* slightly improve privacy, and for backward compatibility with older
|
||||
* nodes that required it.
|
||||
*
|
||||
* The 16-bit zero after encryption starts is for backward compatibility
|
||||
* with pre-2.0 nodes.
|
||||
* HELLO (and its OK response) ends with a large 384-bit HMAC to allow
|
||||
* identity exchanges to be authenticated with additional strength beyond
|
||||
* ordinary packet authentication.
|
||||
*
|
||||
* OK payload:
|
||||
* <[8] HELLO timestamp field echo>
|
||||
|
@ -453,7 +455,10 @@ public:
|
|||
* <[1] software minor version>
|
||||
* <[2] software revision>
|
||||
* <[...] physical destination address of packet>
|
||||
* <[2] 16-bit reserved field, always 0>
|
||||
* <[2] 16-bit reserved (legacy) field, always 0>
|
||||
* <[2] 16-bit length of meta-data dictionary>
|
||||
* <[...] meta-data dictionary>
|
||||
* <[48] HMAC-SHA384 of all fields to this point (as plaintext)>
|
||||
*
|
||||
* With the exception of the timestamp, the other fields pertain to the
|
||||
* respondent who is sending OK and are not echoes.
|
||||
|
@ -858,57 +863,20 @@ public:
|
|||
VERB_USER_MESSAGE = 0x14,
|
||||
|
||||
/**
|
||||
* Peer-to-peer propagated multicast packet:
|
||||
* <[128] 1024-bit bloom filter>
|
||||
* <[2] 16-bit perturbation coefficient to minimize bloom collisions>
|
||||
* <[5] 40-bit start of range of recipient addresses>
|
||||
* <[5] 40-bit end of range of recipient addresses>
|
||||
* Encapsulate a ZeroTier packet for multicast distribution:
|
||||
* [... begin signed portion ...]
|
||||
* <[1] 8-bit flags>
|
||||
* <[5] 40-bit ZeroTier address of sender>
|
||||
* <[8] 64-bit network ID>
|
||||
* <[6] MAC address of multicast group>
|
||||
* <[4] 32-bit ADI for multicast group>
|
||||
* <[6] MAC address of sender>
|
||||
* <[2] 16-bit ethertype>
|
||||
* <[2] 16-bit length of ethernet payload>
|
||||
* <[...] ethernet payload>
|
||||
* <[2] 16-bit length of inner payload>
|
||||
* <[1] inner payload verb>
|
||||
* <[...] inner payload data>
|
||||
* [... end signed portion ...]
|
||||
* <[2] 16-bit length of signature or 0 if unsigned>
|
||||
* <[2] 16-bit length of signature or 0 if un-signed>
|
||||
* [<[...] optional signature of multicast>]
|
||||
*
|
||||
* This packet contains a multicast that is to be peer-to-peer replicated.
|
||||
* The range of recipient addresses is a subset of the global list of
|
||||
* subscribers to this multicast group. As the packet is propagated bits
|
||||
* in the bloom filter will be set. The sender may attempt to select a
|
||||
* perturbation coefficient to prevent collisions within the selected
|
||||
* recipient range.
|
||||
* <[...] address (min prefix) list>
|
||||
*/
|
||||
VERB_MULTICAST = 0x16,
|
||||
|
||||
/**
|
||||
* Negotiate a new ephemeral key:
|
||||
* <[48] SHA384 of ephemeral key we currently have for recipient>
|
||||
* [<[...] sender's ephemeral key>]
|
||||
*
|
||||
* REKEY is used to negotiate ephemeral keys. The first byte is a step
|
||||
* number from 0 to 2. Here's a new session initiated by Alice:
|
||||
*
|
||||
* Alice: REKEY[0x000...,AliceKey] -> Bob
|
||||
* Bob: REKEY[SHA384(AliceKey),BobKey] -> Alice
|
||||
* Alice: REKEY[SHA384(BobKey),(omitted)] -> Bob
|
||||
*
|
||||
* REKEY messages will continue until both sides have acknowledged each
|
||||
* others' keys. Either Alice or Bob can send REKEY to negotiate a new
|
||||
* ephemeral key pair at any time.
|
||||
*
|
||||
* OK isn't used because this is an ongoing handshake until both sides
|
||||
* agree on a key. REKEY triggers a REKEY in reply if the hash for the
|
||||
* recipient's ephemeral public key doesn't match the ephemeral key it
|
||||
* wants to use.
|
||||
*/
|
||||
VERB_REKEY = 0x17,
|
||||
|
||||
/**
|
||||
* Encapsulate a full ZeroTier packet in another:
|
||||
* <[...] raw encapsulated packet>
|
||||
|
@ -918,7 +886,7 @@ public:
|
|||
* where endpoint privacy is desired. Multiply nested ENCAP packets
|
||||
* could allow ZeroTier to act as an onion router.
|
||||
*/
|
||||
VERB_ENCAP = 0x18
|
||||
VERB_ENCAP = 0x17
|
||||
|
||||
// protocol max: 0x1f
|
||||
};
|
||||
|
|
|
@ -42,21 +42,21 @@ namespace ZeroTier {
|
|||
|
||||
#ifdef __APPLE__
|
||||
#define ZT_HAVE_NATIVE_SHA512 1
|
||||
static inline void SHA512(void *digest,const void *data,unsigned int len)
|
||||
static ZT_ALWAYS_INLINE void SHA512(void *digest,const void *data,unsigned int len)
|
||||
{
|
||||
CC_SHA512_CTX ctx;
|
||||
CC_SHA512_Init(&ctx);
|
||||
CC_SHA512_Update(&ctx,data,len);
|
||||
CC_SHA512_Final(reinterpret_cast<unsigned char *>(digest),&ctx);
|
||||
}
|
||||
static inline void SHA384(void *digest,const void *data,unsigned int len)
|
||||
static ZT_ALWAYS_INLINE void SHA384(void *digest,const void *data,unsigned int len)
|
||||
{
|
||||
CC_SHA512_CTX ctx;
|
||||
CC_SHA384_Init(&ctx);
|
||||
CC_SHA384_Update(&ctx,data,len);
|
||||
CC_SHA384_Final(reinterpret_cast<unsigned char *>(digest),&ctx);
|
||||
}
|
||||
static inline void SHA384(void *digest,const void *data0,unsigned int len0,const void *data1,unsigned int len1)
|
||||
static ZT_ALWAYS_INLINE void SHA384(void *digest,const void *data0,unsigned int len0,const void *data1,unsigned int len1)
|
||||
{
|
||||
CC_SHA512_CTX ctx;
|
||||
CC_SHA384_Init(&ctx);
|
||||
|
@ -69,21 +69,21 @@ static inline void SHA384(void *digest,const void *data0,unsigned int len0,const
|
|||
#ifndef ZT_HAVE_NATIVE_SHA512
|
||||
#ifdef ZT_USE_LIBCRYPTO
|
||||
#define ZT_HAVE_NATIVE_SHA512 1
|
||||
static inline void SHA512(void *digest,const void *data,unsigned int len)
|
||||
static ZT_ALWAYS_INLINE void SHA512(void *digest,const void *data,unsigned int len)
|
||||
{
|
||||
SHA512_CTX ctx;
|
||||
SHA512_Init(&ctx);
|
||||
SHA512_Update(&ctx,data,len);
|
||||
SHA512_Final(reinterpret_cast<unsigned char *>(digest),&ctx);
|
||||
}
|
||||
static inline void SHA384(void *digest,const void *data,unsigned int len)
|
||||
static ZT_ALWAYS_INLINE void SHA384(void *digest,const void *data,unsigned int len)
|
||||
{
|
||||
SHA512_CTX ctx;
|
||||
SHA384_Init(&ctx);
|
||||
SHA384_Update(&ctx,data,len);
|
||||
SHA384_Final(reinterpret_cast<unsigned char *>(digest),&ctx);
|
||||
}
|
||||
static inline void SHA384(void *digest,const void *data0,unsigned int len0,const void *data1,unsigned int len1)
|
||||
static ZT_ALWAYS_INLINE void SHA384(void *digest,const void *data0,unsigned int len0,const void *data1,unsigned int len1)
|
||||
{
|
||||
SHA512_CTX ctx;
|
||||
SHA384_Init(&ctx);
|
||||
|
|
|
@ -27,21 +27,23 @@ template<typename T>
|
|||
class ScopedPtr
|
||||
{
|
||||
public:
|
||||
inline ScopedPtr(T *const p) : _p(p) {}
|
||||
inline ~ScopedPtr() { delete _p; }
|
||||
ZT_ALWAYS_INLINE ScopedPtr(T *const p) : _p(p) {}
|
||||
ZT_ALWAYS_INLINE ~ScopedPtr() { delete _p; }
|
||||
|
||||
inline T *operator->() const { return _p; }
|
||||
inline T &operator*() const { return *_p; }
|
||||
inline operator bool() const { return (_p != (T *)0); }
|
||||
inline T *ptr() const { return _p; }
|
||||
ZT_ALWAYS_INLINE T *operator->() const { return _p; }
|
||||
ZT_ALWAYS_INLINE T &operator*() const { return *_p; }
|
||||
ZT_ALWAYS_INLINE operator bool() const { return (_p != (T *)0); }
|
||||
ZT_ALWAYS_INLINE T *ptr() const { return _p; }
|
||||
|
||||
inline bool operator==(const ScopedPtr &p) const { return (_p == p._p); }
|
||||
inline bool operator!=(const ScopedPtr &p) const { return (_p != p._p); }
|
||||
inline bool operator==(T *const p) const { return (_p == p); }
|
||||
inline bool operator!=(T *const p) const { return (_p != p); }
|
||||
ZT_ALWAYS_INLINE bool operator==(const ScopedPtr &p) const { return (_p == p._p); }
|
||||
ZT_ALWAYS_INLINE bool operator!=(const ScopedPtr &p) const { return (_p != p._p); }
|
||||
ZT_ALWAYS_INLINE bool operator==(T *const p) const { return (_p == p); }
|
||||
ZT_ALWAYS_INLINE bool operator!=(T *const p) const { return (_p != p); }
|
||||
|
||||
private:
|
||||
inline ScopedPtr() {}
|
||||
ZT_ALWAYS_INLINE ScopedPtr() {}
|
||||
ZT_ALWAYS_INLINE ScopedPtr(const ScopedPtr &p) : _p(nullptr) {}
|
||||
ZT_ALWAYS_INLINE ScopedPtr &operator=(const ScopedPtr &p) { return *this; }
|
||||
T *const _p;
|
||||
};
|
||||
|
||||
|
|
|
@ -30,11 +30,11 @@ template<typename T>
|
|||
class SharedPtr
|
||||
{
|
||||
public:
|
||||
inline SharedPtr() : _ptr((T *)0) {}
|
||||
inline SharedPtr(T *obj) : _ptr(obj) { ++obj->__refCount; }
|
||||
inline SharedPtr(const SharedPtr &sp) : _ptr(sp._getAndInc()) {}
|
||||
ZT_ALWAYS_INLINE SharedPtr() : _ptr((T *)0) {}
|
||||
ZT_ALWAYS_INLINE SharedPtr(T *obj) : _ptr(obj) { ++obj->__refCount; }
|
||||
ZT_ALWAYS_INLINE SharedPtr(const SharedPtr &sp) : _ptr(sp._getAndInc()) {}
|
||||
|
||||
inline ~SharedPtr()
|
||||
ZT_ALWAYS_INLINE ~SharedPtr()
|
||||
{
|
||||
if (_ptr) {
|
||||
if (--_ptr->__refCount <= 0)
|
||||
|
@ -42,7 +42,7 @@ public:
|
|||
}
|
||||
}
|
||||
|
||||
inline SharedPtr &operator=(const SharedPtr &sp)
|
||||
ZT_ALWAYS_INLINE SharedPtr &operator=(const SharedPtr &sp)
|
||||
{
|
||||
if (_ptr != sp._ptr) {
|
||||
T *p = sp._getAndInc();
|
||||
|
@ -63,7 +63,7 @@ public:
|
|||
*
|
||||
* @param ptr Naked pointer to assign
|
||||
*/
|
||||
inline void set(T *ptr)
|
||||
ZT_ALWAYS_INLINE void set(T *ptr)
|
||||
{
|
||||
zero();
|
||||
++ptr->__refCount;
|
||||
|
@ -75,26 +75,26 @@ public:
|
|||
*
|
||||
* @param with Pointer to swap with
|
||||
*/
|
||||
inline void swap(SharedPtr &with)
|
||||
ZT_ALWAYS_INLINE void swap(SharedPtr &with)
|
||||
{
|
||||
T *tmp = _ptr;
|
||||
_ptr = with._ptr;
|
||||
with._ptr = tmp;
|
||||
}
|
||||
|
||||
inline operator bool() const { return (_ptr != (T *)0); }
|
||||
inline T &operator*() const { return *_ptr; }
|
||||
inline T *operator->() const { return _ptr; }
|
||||
ZT_ALWAYS_INLINE operator bool() const { return (_ptr != (T *)0); }
|
||||
ZT_ALWAYS_INLINE T &operator*() const { return *_ptr; }
|
||||
ZT_ALWAYS_INLINE T *operator->() const { return _ptr; }
|
||||
|
||||
/**
|
||||
* @return Raw pointer to held object
|
||||
*/
|
||||
inline T *ptr() const { return _ptr; }
|
||||
ZT_ALWAYS_INLINE T *ptr() const { return _ptr; }
|
||||
|
||||
/**
|
||||
* Set this pointer to NULL
|
||||
*/
|
||||
inline void zero()
|
||||
ZT_ALWAYS_INLINE void zero()
|
||||
{
|
||||
if (_ptr) {
|
||||
if (--_ptr->__refCount <= 0)
|
||||
|
@ -106,22 +106,22 @@ public:
|
|||
/**
|
||||
* @return Number of references according to this object's ref count or 0 if NULL
|
||||
*/
|
||||
inline int references()
|
||||
ZT_ALWAYS_INLINE int references()
|
||||
{
|
||||
if (_ptr)
|
||||
return _ptr->__refCount.load();
|
||||
return 0;
|
||||
}
|
||||
|
||||
inline bool operator==(const SharedPtr &sp) const { return (_ptr == sp._ptr); }
|
||||
inline bool operator!=(const SharedPtr &sp) const { return (_ptr != sp._ptr); }
|
||||
inline bool operator>(const SharedPtr &sp) const { return (_ptr > sp._ptr); }
|
||||
inline bool operator<(const SharedPtr &sp) const { return (_ptr < sp._ptr); }
|
||||
inline bool operator>=(const SharedPtr &sp) const { return (_ptr >= sp._ptr); }
|
||||
inline bool operator<=(const SharedPtr &sp) const { return (_ptr <= sp._ptr); }
|
||||
ZT_ALWAYS_INLINE bool operator==(const SharedPtr &sp) const { return (_ptr == sp._ptr); }
|
||||
ZT_ALWAYS_INLINE bool operator!=(const SharedPtr &sp) const { return (_ptr != sp._ptr); }
|
||||
ZT_ALWAYS_INLINE bool operator>(const SharedPtr &sp) const { return (_ptr > sp._ptr); }
|
||||
ZT_ALWAYS_INLINE bool operator<(const SharedPtr &sp) const { return (_ptr < sp._ptr); }
|
||||
ZT_ALWAYS_INLINE bool operator>=(const SharedPtr &sp) const { return (_ptr >= sp._ptr); }
|
||||
ZT_ALWAYS_INLINE bool operator<=(const SharedPtr &sp) const { return (_ptr <= sp._ptr); }
|
||||
|
||||
private:
|
||||
inline T *_getAndInc() const
|
||||
ZT_ALWAYS_INLINE T *_getAndInc() const
|
||||
{
|
||||
if (_ptr)
|
||||
++_ptr->__refCount;
|
||||
|
|
84
node/Str.hpp
84
node/Str.hpp
|
@ -35,36 +35,36 @@ public:
|
|||
typedef char * iterator;
|
||||
typedef const char * const_iterator;
|
||||
|
||||
inline Str() { _l = 0; _s[0] = 0; }
|
||||
inline Str(const Str &s)
|
||||
ZT_ALWAYS_INLINE Str() { _l = 0; _s[0] = 0; }
|
||||
ZT_ALWAYS_INLINE Str(const Str &s)
|
||||
{
|
||||
_l = s._l;
|
||||
memcpy(_s,s._s,_l+1);
|
||||
}
|
||||
inline Str(const char *s)
|
||||
ZT_ALWAYS_INLINE Str(const char *s)
|
||||
{
|
||||
_l = 0;
|
||||
_s[0] = 0;
|
||||
(*this) << s;
|
||||
}
|
||||
inline Str(const std::string &s)
|
||||
ZT_ALWAYS_INLINE Str(const std::string &s)
|
||||
{
|
||||
*this = s;
|
||||
}
|
||||
|
||||
inline Str &operator=(const Str &s)
|
||||
ZT_ALWAYS_INLINE Str &operator=(const Str &s)
|
||||
{
|
||||
_l = s._l;
|
||||
memcpy(_s,s._s,_l+1);
|
||||
return *this;
|
||||
}
|
||||
inline Str &operator=(const char *s)
|
||||
ZT_ALWAYS_INLINE Str &operator=(const char *s)
|
||||
{
|
||||
_l = 0;
|
||||
_s[0] = 0;
|
||||
return ((*this) << s);
|
||||
}
|
||||
inline Str &operator=(const std::string &s)
|
||||
ZT_ALWAYS_INLINE Str &operator=(const std::string &s)
|
||||
{
|
||||
if (s.length() > ZT_STR_CAPACITY) {
|
||||
_l = 0;
|
||||
|
@ -78,23 +78,23 @@ public:
|
|||
return *this;
|
||||
}
|
||||
|
||||
inline char operator[](const unsigned int i) const
|
||||
ZT_ALWAYS_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 (unsigned int)_l; }
|
||||
inline bool empty() const { return (_l == 0); }
|
||||
inline iterator begin() { return (iterator)_s; }
|
||||
inline iterator end() { return (iterator)(_s + (unsigned long)_l); }
|
||||
inline const_iterator begin() const { return (const_iterator)_s; }
|
||||
inline const_iterator end() const { return (const_iterator)(_s + (unsigned long)_l); }
|
||||
ZT_ALWAYS_INLINE void clear() { _l = 0; _s[0] = 0; }
|
||||
ZT_ALWAYS_INLINE const char *c_str() const { return _s; }
|
||||
ZT_ALWAYS_INLINE unsigned int length() const { return (unsigned int)_l; }
|
||||
ZT_ALWAYS_INLINE bool empty() const { return (_l == 0); }
|
||||
ZT_ALWAYS_INLINE iterator begin() { return (iterator)_s; }
|
||||
ZT_ALWAYS_INLINE iterator end() { return (iterator)(_s + (unsigned long)_l); }
|
||||
ZT_ALWAYS_INLINE const_iterator begin() const { return (const_iterator)_s; }
|
||||
ZT_ALWAYS_INLINE const_iterator end() const { return (const_iterator)(_s + (unsigned long)_l); }
|
||||
|
||||
inline Str &operator<<(const char *s)
|
||||
ZT_ALWAYS_INLINE Str &operator<<(const char *s)
|
||||
{
|
||||
if (likely(s != (const char *)0)) {
|
||||
unsigned long l = _l;
|
||||
|
@ -111,8 +111,8 @@ public:
|
|||
}
|
||||
return *this;
|
||||
}
|
||||
inline Str &operator<<(const Str &s) { return ((*this) << s._s); }
|
||||
inline Str &operator<<(const char c)
|
||||
ZT_ALWAYS_INLINE Str &operator<<(const Str &s) { return ((*this) << s._s); }
|
||||
ZT_ALWAYS_INLINE Str &operator<<(const char c)
|
||||
{
|
||||
if (unlikely(_l >= ZT_STR_CAPACITY)) {
|
||||
_s[ZT_STR_CAPACITY] = 0;
|
||||
|
@ -122,29 +122,29 @@ public:
|
|||
_s[(unsigned long)_l] = 0;
|
||||
return *this;
|
||||
}
|
||||
inline Str &operator<<(const unsigned long n)
|
||||
ZT_ALWAYS_INLINE Str &operator<<(const unsigned long n)
|
||||
{
|
||||
char tmp[32];
|
||||
Utils::decimal(n,tmp);
|
||||
return ((*this) << tmp);
|
||||
}
|
||||
inline Str &operator<<(const unsigned int n)
|
||||
ZT_ALWAYS_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)
|
||||
ZT_ALWAYS_INLINE Str &operator<<(const Address &a)
|
||||
{
|
||||
char tmp[32];
|
||||
return ((*this) << a.toString(tmp));
|
||||
}
|
||||
inline Str &operator<<(const InetAddress &a)
|
||||
ZT_ALWAYS_INLINE Str &operator<<(const InetAddress &a)
|
||||
{
|
||||
char tmp[128];
|
||||
return ((*this) << a.toString(tmp));
|
||||
}
|
||||
inline Str &operator<<(const MAC &a)
|
||||
ZT_ALWAYS_INLINE Str &operator<<(const MAC &a)
|
||||
{
|
||||
char tmp[64];
|
||||
return ((*this) << a.toString(tmp));
|
||||
|
@ -171,31 +171,23 @@ public:
|
|||
return *this;
|
||||
}
|
||||
|
||||
inline operator bool() const { return (_l != 0); }
|
||||
ZT_ALWAYS_INLINE operator bool() const { return (_l != 0); }
|
||||
|
||||
inline bool operator==(const Str &s) const { return ((_l == s._l)&&(memcmp(_s,s._s,_l) == 0)); }
|
||||
inline bool operator!=(const Str &s) const { return ((_l != s._l)||(memcmp(_s,s._s,_l) != 0)); }
|
||||
inline bool operator<(const Str &s) const { return ( (_l < s._l) ? true : ((_l == s._l) ? (memcmp(_s,s._s,_l) < 0) : false) ); }
|
||||
inline bool operator>(const Str &s) const { return (s < *this); }
|
||||
inline bool operator<=(const Str &s) const { return !(s < *this); }
|
||||
inline bool operator>=(const Str &s) const { return !(*this < s); }
|
||||
ZT_ALWAYS_INLINE bool operator==(const Str &s) const { return ((_l == s._l)&&(memcmp(_s,s._s,_l) == 0)); }
|
||||
ZT_ALWAYS_INLINE bool operator!=(const Str &s) const { return ((_l != s._l)||(memcmp(_s,s._s,_l) != 0)); }
|
||||
ZT_ALWAYS_INLINE bool operator<(const Str &s) const { return ( (_l < s._l) ? true : ((_l == s._l) ? (memcmp(_s,s._s,_l) < 0) : false) ); }
|
||||
ZT_ALWAYS_INLINE bool operator>(const Str &s) const { return (s < *this); }
|
||||
ZT_ALWAYS_INLINE bool operator<=(const Str &s) const { return !(s < *this); }
|
||||
ZT_ALWAYS_INLINE bool operator>=(const Str &s) const { return !(*this < s); }
|
||||
|
||||
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); }
|
||||
ZT_ALWAYS_INLINE bool operator==(const char *s) const { return (strcmp(_s,s) == 0); }
|
||||
ZT_ALWAYS_INLINE bool operator!=(const char *s) const { return (strcmp(_s,s) != 0); }
|
||||
ZT_ALWAYS_INLINE bool operator<(const char *s) const { return (strcmp(_s,s) < 0); }
|
||||
ZT_ALWAYS_INLINE bool operator>(const char *s) const { return (strcmp(_s,s) > 0); }
|
||||
ZT_ALWAYS_INLINE bool operator<=(const char *s) const { return (strcmp(_s,s) <= 0); }
|
||||
ZT_ALWAYS_INLINE bool operator>=(const char *s) const { return (strcmp(_s,s) >= 0); }
|
||||
|
||||
inline unsigned long hashCode() const
|
||||
{
|
||||
const char *p = _s;
|
||||
unsigned long h = 0;
|
||||
char c;
|
||||
while ((c = *(p++)))
|
||||
h = (31 * h) + (unsigned long)c;
|
||||
return h;
|
||||
}
|
||||
ZT_ALWAYS_INLINE unsigned long hashCode() const { return Utils::hashString(_s,_l); }
|
||||
|
||||
private:
|
||||
uint16_t _l;
|
||||
|
|
|
@ -18,7 +18,6 @@
|
|||
#include <string.h>
|
||||
|
||||
#include <vector>
|
||||
#include <stdexcept>
|
||||
#include <algorithm>
|
||||
#include <utility>
|
||||
#include <set>
|
||||
|
@ -33,9 +32,9 @@
|
|||
#include "Mutex.hpp"
|
||||
#include "InetAddress.hpp"
|
||||
#include "Hashtable.hpp"
|
||||
#include "Locator.hpp"
|
||||
#include "SharedPtr.hpp"
|
||||
#include "ScopedPtr.hpp"
|
||||
#include "Str.hpp"
|
||||
|
||||
namespace ZeroTier {
|
||||
|
||||
|
@ -46,48 +45,17 @@ class RuntimeEnvironment;
|
|||
*/
|
||||
class Topology
|
||||
{
|
||||
private:
|
||||
struct _RootRankingFunction
|
||||
{
|
||||
inline _RootRankingFunction() : bestRoot(),bestRootLatency(0xffff) {}
|
||||
inline bool operator()(const SharedPtr<Peer> &peer,const std::vector<InetAddress> &phy)
|
||||
{
|
||||
const unsigned int lat = peer->latency(now);
|
||||
if ((!bestRoot)||((lat <= bestRootLatency)&&(peer->getAppropriatePath(now,false)))) {
|
||||
bestRoot = peer;
|
||||
bestRootLatency = lat;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
int64_t now;
|
||||
SharedPtr<Peer> bestRoot;
|
||||
unsigned int bestRootLatency;
|
||||
};
|
||||
|
||||
inline void _updateRoots()
|
||||
{
|
||||
// assumes _roots_l is locked
|
||||
_rootIdentities.clear();
|
||||
Hashtable< Str,SharedPtr<const Locator> >::Iterator i(_roots);
|
||||
Str *k = (Str *)0;
|
||||
SharedPtr< const Locator > *v = (SharedPtr< const Locator > *)0;
|
||||
while (i.next(k,v)) {
|
||||
if (*v)
|
||||
_rootIdentities.set((*v)->id(),true);
|
||||
}
|
||||
}
|
||||
|
||||
public:
|
||||
inline Topology(const RuntimeEnvironment *renv,const Identity &myId) :
|
||||
ZT_ALWAYS_INLINE Topology(const RuntimeEnvironment *renv,const Identity &myId) :
|
||||
RR(renv),
|
||||
_myIdentity(myId),
|
||||
_numConfiguredPhysicalPaths(0),
|
||||
_peers(64),
|
||||
_paths(128),
|
||||
_roots(8),
|
||||
_rootIdentities(8),
|
||||
_lastUpdatedBestRoot(0) {}
|
||||
inline ~Topology() {}
|
||||
_peers(128),
|
||||
_paths(256)
|
||||
{
|
||||
}
|
||||
|
||||
ZT_ALWAYS_INLINE ~Topology() {}
|
||||
|
||||
/**
|
||||
* Add a peer to database
|
||||
|
@ -95,21 +63,16 @@ public:
|
|||
* This will not replace existing peers. In that case the existing peer
|
||||
* record is returned.
|
||||
*
|
||||
* @param tPtr Thread pointer to be handed through to any callbacks called as a result of this call
|
||||
* @param peer Peer to add
|
||||
* @return New or existing peer (should replace 'peer')
|
||||
*/
|
||||
inline SharedPtr<Peer> add(const SharedPtr<Peer> &peer)
|
||||
ZT_ALWAYS_INLINE SharedPtr<Peer> add(const SharedPtr<Peer> &peer)
|
||||
{
|
||||
SharedPtr<Peer> np;
|
||||
{
|
||||
Mutex::Lock _l(_peers_l);
|
||||
SharedPtr<Peer> &hp = _peers[peer->address()];
|
||||
if (!hp)
|
||||
hp = peer;
|
||||
np = hp;
|
||||
}
|
||||
return np;
|
||||
Mutex::Lock _l(_peers_l);
|
||||
SharedPtr<Peer> &hp = _peers[peer->address()];
|
||||
if (!hp)
|
||||
hp = peer;
|
||||
return hp;
|
||||
}
|
||||
|
||||
/**
|
||||
|
@ -119,15 +82,11 @@ public:
|
|||
* @param zta ZeroTier address of peer
|
||||
* @return Peer or NULL if not found
|
||||
*/
|
||||
inline SharedPtr<Peer> get(const Address &zta)
|
||||
ZT_ALWAYS_INLINE SharedPtr<Peer> get(const Address &zta)
|
||||
{
|
||||
if (zta == _myIdentity.address())
|
||||
return SharedPtr<Peer>();
|
||||
Mutex::Lock l1(_peers_l);
|
||||
const SharedPtr<Peer> *const ap = _peers.get(zta);
|
||||
if (ap)
|
||||
return *ap;
|
||||
return SharedPtr<Peer>();
|
||||
return (ap) ? *ap : SharedPtr<Peer>();
|
||||
}
|
||||
|
||||
/**
|
||||
|
@ -135,7 +94,7 @@ public:
|
|||
* @param zta ZeroTier address of peer
|
||||
* @return Identity or NULL identity if not found
|
||||
*/
|
||||
inline Identity getIdentity(void *tPtr,const Address &zta)
|
||||
ZT_ALWAYS_INLINE Identity getIdentity(void *tPtr,const Address &zta)
|
||||
{
|
||||
if (zta == _myIdentity.address()) {
|
||||
return _myIdentity;
|
||||
|
@ -155,7 +114,7 @@ public:
|
|||
* @param r Remote address
|
||||
* @return Pointer to canonicalized Path object
|
||||
*/
|
||||
inline SharedPtr<Path> getPath(const int64_t l,const InetAddress &r)
|
||||
ZT_ALWAYS_INLINE SharedPtr<Path> getPath(const int64_t l,const InetAddress &r)
|
||||
{
|
||||
Mutex::Lock _l(_paths_l);
|
||||
SharedPtr<Path> &p = _paths[Path::HashKey(l,r)];
|
||||
|
@ -168,45 +127,17 @@ public:
|
|||
* @param id Identity to check
|
||||
* @return True if this identity corresponds to a root
|
||||
*/
|
||||
inline bool isRoot(const Identity &id) const
|
||||
ZT_ALWAYS_INLINE bool isRoot(const Identity &id) const
|
||||
{
|
||||
Mutex::Lock l(_roots_l);
|
||||
return _rootIdentities.contains(id);
|
||||
}
|
||||
|
||||
/**
|
||||
* Do periodic tasks such as database cleanup
|
||||
*/
|
||||
inline void doPeriodicTasks(int64_t now)
|
||||
{
|
||||
{
|
||||
Mutex::Lock _l1(_peers_l);
|
||||
Hashtable< Address,SharedPtr<Peer> >::Iterator i(_peers);
|
||||
Address *a = (Address *)0;
|
||||
SharedPtr<Peer> *p = (SharedPtr<Peer> *)0;
|
||||
while (i.next(a,p)) {
|
||||
if (!(*p)->alive(now)) {
|
||||
_peers.erase(*a);
|
||||
}
|
||||
}
|
||||
}
|
||||
{
|
||||
Mutex::Lock _l(_paths_l);
|
||||
Hashtable< Path::HashKey,SharedPtr<Path> >::Iterator i(_paths);
|
||||
Path::HashKey *k = (Path::HashKey *)0;
|
||||
SharedPtr<Path> *p = (SharedPtr<Path> *)0;
|
||||
while (i.next(k,p)) {
|
||||
if (p->references() <= 1)
|
||||
_paths.erase(*k);
|
||||
}
|
||||
}
|
||||
Mutex::Lock l(_peers_l);
|
||||
return (_roots.count(id) > 0);
|
||||
}
|
||||
|
||||
/**
|
||||
* @param now Current time
|
||||
* @return Number of peers with active direct paths
|
||||
*/
|
||||
inline unsigned long countActive(int64_t now) const
|
||||
ZT_ALWAYS_INLINE unsigned long countActive(const int64_t now) const
|
||||
{
|
||||
unsigned long cnt = 0;
|
||||
Mutex::Lock _l(_peers_l);
|
||||
|
@ -214,8 +145,7 @@ public:
|
|||
Address *a = (Address *)0;
|
||||
SharedPtr<Peer> *p = (SharedPtr<Peer> *)0;
|
||||
while (i.next(a,p)) {
|
||||
const SharedPtr<Path> pp((*p)->getAppropriatePath(now,false));
|
||||
if (pp)
|
||||
if ((*p)->getAppropriatePath(now,false))
|
||||
++cnt;
|
||||
}
|
||||
return cnt;
|
||||
|
@ -243,161 +173,6 @@ public:
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Apply a function or function object to all roots
|
||||
*
|
||||
* This locks the root list during execution but other operations
|
||||
* are fine.
|
||||
*
|
||||
* @param f Function to apply f(peer,IPs)
|
||||
* @tparam F function or function object type
|
||||
*/
|
||||
template<typename F>
|
||||
inline void eachRoot(F f)
|
||||
{
|
||||
Mutex::Lock l(_roots_l);
|
||||
Hashtable< Str,Locator >::Iterator i(_roots);
|
||||
Str *k = (Str *)0;
|
||||
Locator *v = (Locator *)0;
|
||||
while (i.next(k,v)) {
|
||||
if (*v) {
|
||||
for(std::vector<Identity>::const_iterator id(v->virt().begin());id!=v->virt().end();++id) {
|
||||
const SharedPtr<Peer> *ap;
|
||||
{
|
||||
Mutex::Lock l2(_peers_l);
|
||||
ap = _peers.get(id->address());
|
||||
}
|
||||
if (ap) {
|
||||
if (!f(*ap,v->phy()))
|
||||
return;
|
||||
} else {
|
||||
SharedPtr<Peer> p(new Peer(RR,_myIdentity,*id));
|
||||
{
|
||||
Mutex::Lock l2(_peers_l);
|
||||
_peers.set(id->address(),p);
|
||||
}
|
||||
if (!f(p,v->phy()))
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @return Current best root (updated automatically each second)
|
||||
*/
|
||||
inline SharedPtr<Peer> root(const int64_t now)
|
||||
{
|
||||
Mutex::Lock l(_bestRoot_l);
|
||||
if ((!_bestRoot)||((now - _lastUpdatedBestRoot) > 1000)) {
|
||||
_lastUpdatedBestRoot = now;
|
||||
_RootRankingFunction rrf;
|
||||
rrf.now = now;
|
||||
eachRoot(rrf);
|
||||
_bestRoot = rrf.bestRoot;
|
||||
}
|
||||
return _bestRoot;
|
||||
}
|
||||
|
||||
/**
|
||||
* Iterate through all root names
|
||||
*
|
||||
* @param f Function of (Str,Locator)
|
||||
*/
|
||||
template<typename F>
|
||||
inline void eachRootName(F f) const
|
||||
{
|
||||
Mutex::Lock l(_roots_l);
|
||||
Str *k = (Str *)0;
|
||||
Locator *v = (Locator *)0;
|
||||
Hashtable< Str,Locator >::Iterator i(const_cast<Topology *>(this)->_roots);
|
||||
while (i.next(k,v)) {
|
||||
if (!f(*k,*v))
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Set or update dynamic root if new locator is newer
|
||||
*
|
||||
* This does not check signatures or internal validity of the locator.
|
||||
*
|
||||
* @param name DNS name used to retrive root or simply the address for static roots
|
||||
* @param latestLocator Latest locator
|
||||
* @return True if locator is newer or if a new entry was created
|
||||
*/
|
||||
inline bool setRoot(const Str &name,const SharedPtr<const Locator> &latestLocator)
|
||||
{
|
||||
Mutex::Lock l(_roots_l);
|
||||
if (latestLocator) {
|
||||
SharedPtr<const Locator> &ll = _roots[name];
|
||||
if ((ll)&&(ll->timestamp() < latestLocator->timestamp())) {
|
||||
ll = latestLocator;
|
||||
_updateRoots();
|
||||
_rootsModified = true;
|
||||
return true;
|
||||
}
|
||||
} else if (!_roots.contains(name)) {
|
||||
_roots.set(name,SharedPtr<const Locator>()); // no locator known yet, but add name to name list to trigger DNS refreshing
|
||||
_rootsModified = true;
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove a dynamic root entry
|
||||
*/
|
||||
inline void removeRoot(const Str &name)
|
||||
{
|
||||
Mutex::Lock l(_roots_l);
|
||||
if (_roots.erase(name)) {
|
||||
_updateRoots();
|
||||
_rootsModified = true;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @param Current time
|
||||
* @return ZT_RootList as returned by the external CAPI
|
||||
*/
|
||||
inline ZT_RootList *apiRoots(const int64_t now) const
|
||||
{
|
||||
ScopedPtr< Buffer<65536> > lbuf(new Buffer<65536>());
|
||||
Mutex::Lock l2(_roots_l);
|
||||
ZT_RootList *rl = (ZT_RootList *)malloc(sizeof(ZT_RootList) + (sizeof(ZT_Root) * _roots.size()) + (256 * _roots.size()) + (65536 * _roots.size()));
|
||||
if (!rl)
|
||||
return nullptr;
|
||||
char *nptr = ((char *)rl) + sizeof(ZT_RootList) + (sizeof(ZT_Root) * _roots.size());
|
||||
uint8_t *lptr = ((uint8_t *)nptr) + (256 * _roots.size());
|
||||
|
||||
unsigned int c = 0;
|
||||
Str *k = (Str *)0;
|
||||
SharedPtr<const Locator> *v = (SharedPtr<const Locator> *)0;
|
||||
Hashtable< Str,SharedPtr<const Locator> >::Iterator i(const_cast<Topology *>(this)->_roots);
|
||||
while (i.next(k,v)) {
|
||||
Utils::scopy(nptr,256,k->c_str());
|
||||
rl->roots[c].name = nptr;
|
||||
nptr += 256;
|
||||
if (*v) {
|
||||
lbuf->clear();
|
||||
(*v)->serialize(*lbuf);
|
||||
memcpy(lptr,lbuf->unsafeData(),lbuf->size());
|
||||
rl->roots[c].locator = lptr;
|
||||
rl->roots[c].locatorSize = lbuf->size();
|
||||
} else {
|
||||
rl->roots[c].locator = nullptr;
|
||||
rl->roots[c].locatorSize = 0;
|
||||
}
|
||||
lptr += 65536;
|
||||
++c;
|
||||
}
|
||||
|
||||
rl->count = c;
|
||||
return rl;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the best relay to a given address, which may or may not be a root
|
||||
*
|
||||
|
@ -405,10 +180,12 @@ public:
|
|||
* @param toAddr Destination address
|
||||
* @return Best current relay or NULL if none
|
||||
*/
|
||||
inline SharedPtr<Peer> findRelayTo(const int64_t now,const Address &toAddr)
|
||||
ZT_ALWAYS_INLINE SharedPtr<Peer> findRelayTo(const int64_t now,const Address &toAddr)
|
||||
{
|
||||
// TODO: in the future this will check 'mesh-like' relays and if enabled consult LF for other roots (for if this is a root)
|
||||
return root(now);
|
||||
Mutex::Lock l(_peers_l);
|
||||
if (_rootPeers.empty())
|
||||
return SharedPtr<Peer>();
|
||||
return _rootPeers[0];
|
||||
}
|
||||
|
||||
/**
|
||||
|
@ -422,9 +199,8 @@ public:
|
|||
Hashtable< Address,SharedPtr<Peer> >::Iterator i(*(const_cast<Hashtable< Address,SharedPtr<Peer> > *>(&_peers)));
|
||||
Address *a = (Address *)0;
|
||||
SharedPtr<Peer> *p = (SharedPtr<Peer> *)0;
|
||||
while (i.next(a,p)) {
|
||||
while (i.next(a,p))
|
||||
allPeers.push_back(*p);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
|
@ -436,7 +212,7 @@ public:
|
|||
* @param mtu Variable set to MTU
|
||||
* @param trustedPathId Variable set to trusted path ID
|
||||
*/
|
||||
inline void getOutboundPathInfo(const InetAddress &physicalAddress,unsigned int &mtu,uint64_t &trustedPathId)
|
||||
ZT_ALWAYS_INLINE void getOutboundPathInfo(const InetAddress &physicalAddress,unsigned int &mtu,uint64_t &trustedPathId)
|
||||
{
|
||||
for(unsigned int i=0,j=_numConfiguredPhysicalPaths;i<j;++i) {
|
||||
if (_physicalPathConfig[i].first.containsAddress(physicalAddress)) {
|
||||
|
@ -453,7 +229,7 @@ public:
|
|||
* @param physicalAddress Physical endpoint address
|
||||
* @return MTU
|
||||
*/
|
||||
inline unsigned int getOutboundPathMtu(const InetAddress &physicalAddress)
|
||||
ZT_ALWAYS_INLINE unsigned int getOutboundPathMtu(const InetAddress &physicalAddress)
|
||||
{
|
||||
for(unsigned int i=0,j=_numConfiguredPhysicalPaths;i<j;++i) {
|
||||
if (_physicalPathConfig[i].first.containsAddress(physicalAddress))
|
||||
|
@ -468,7 +244,7 @@ public:
|
|||
* @param physicalAddress Physical address to which we are sending the packet
|
||||
* @return Trusted path ID or 0 if none (0 is not a valid trusted path ID)
|
||||
*/
|
||||
inline uint64_t getOutboundPathTrust(const InetAddress &physicalAddress)
|
||||
ZT_ALWAYS_INLINE uint64_t getOutboundPathTrust(const InetAddress &physicalAddress)
|
||||
{
|
||||
for(unsigned int i=0,j=_numConfiguredPhysicalPaths;i<j;++i) {
|
||||
if (_physicalPathConfig[i].first.containsAddress(physicalAddress))
|
||||
|
@ -483,7 +259,7 @@ public:
|
|||
* @param physicalAddress Originating physical address
|
||||
* @param trustedPathId Trusted path ID from packet (from MAC field)
|
||||
*/
|
||||
inline bool shouldInboundPathBeTrusted(const InetAddress &physicalAddress,const uint64_t trustedPathId)
|
||||
ZT_ALWAYS_INLINE bool shouldInboundPathBeTrusted(const InetAddress &physicalAddress,const uint64_t trustedPathId)
|
||||
{
|
||||
for(unsigned int i=0,j=_numConfiguredPhysicalPaths;i<j;++i) {
|
||||
if ((_physicalPathConfig[i].second.trustedPathId == trustedPathId)&&(_physicalPathConfig[i].first.containsAddress(physicalAddress)))
|
||||
|
@ -529,27 +305,105 @@ public:
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Add a root server's identity to the root server set
|
||||
*
|
||||
* @param id Root server identity
|
||||
*/
|
||||
inline void addRoot(const Identity &id)
|
||||
{
|
||||
if (id == _myIdentity) return; // sanity check
|
||||
Mutex::Lock l1(_peers_l);
|
||||
std::pair< std::set<Identity>::iterator,bool > ir(_roots.insert(id));
|
||||
if (ir.second) {
|
||||
SharedPtr<Peer> &p = _peers[id.address()];
|
||||
if (!p)
|
||||
p.set(new Peer(RR,_myIdentity,id));
|
||||
_rootPeers.push_back(p);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove a root server's identity from the root server set
|
||||
*
|
||||
* @param id Root server identity
|
||||
* @return True if root found and removed, false if not found
|
||||
*/
|
||||
inline bool removeRoot(const Identity &id)
|
||||
{
|
||||
Mutex::Lock l1(_peers_l);
|
||||
std::set<Identity>::iterator r(_roots.find(id));
|
||||
if (r != _roots.end()) {
|
||||
for(std::vector< SharedPtr<Peer> >::iterator p(_rootPeers.begin());p!=_rootPeers.end();++p) {
|
||||
if ((*p)->identity() == id) {
|
||||
_rootPeers.erase(p);
|
||||
break;
|
||||
}
|
||||
}
|
||||
_roots.erase(r);
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Do periodic tasks such as database cleanup
|
||||
*/
|
||||
inline void doPeriodicTasks(const int64_t now)
|
||||
{
|
||||
{
|
||||
Mutex::Lock l1(_peers_l);
|
||||
std::sort(_rootPeers.begin(),_rootPeers.end(),_RootSortComparisonOperator(now));
|
||||
Hashtable< Address,SharedPtr<Peer> >::Iterator i(_peers);
|
||||
Address *a = (Address *)0;
|
||||
SharedPtr<Peer> *p = (SharedPtr<Peer> *)0;
|
||||
while (i.next(a,p)) {
|
||||
if ( (!(*p)->alive(now)) && (_roots.count((*p)->identity()) == 0) )
|
||||
_peers.erase(*a);
|
||||
}
|
||||
}
|
||||
{
|
||||
Mutex::Lock l1(_paths_l);
|
||||
Hashtable< Path::HashKey,SharedPtr<Path> >::Iterator i(_paths);
|
||||
Path::HashKey *k = (Path::HashKey *)0;
|
||||
SharedPtr<Path> *p = (SharedPtr<Path> *)0;
|
||||
while (i.next(k,p)) {
|
||||
if (p->references() <= 1)
|
||||
_paths.erase(*k);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private:
|
||||
struct _RootSortComparisonOperator
|
||||
{
|
||||
ZT_ALWAYS_INLINE _RootSortComparisonOperator(const int64_t now) : _now(now) {}
|
||||
ZT_ALWAYS_INLINE bool operator()(const SharedPtr<Peer> &a,const SharedPtr<Peer> &b)
|
||||
{
|
||||
const int64_t now = _now;
|
||||
if (a->alive(now)) {
|
||||
if (b->alive(now))
|
||||
return (a->latency(now) < b->latency(now));
|
||||
return true;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
const int64_t _now;
|
||||
};
|
||||
|
||||
const RuntimeEnvironment *const RR;
|
||||
const Identity _myIdentity;
|
||||
|
||||
std::pair<InetAddress,ZT_PhysicalPathConfiguration> _physicalPathConfig[ZT_MAX_CONFIGURABLE_PATHS];
|
||||
Mutex _peers_l;
|
||||
Mutex _paths_l;
|
||||
|
||||
std::pair< InetAddress,ZT_PhysicalPathConfiguration > _physicalPathConfig[ZT_MAX_CONFIGURABLE_PATHS];
|
||||
unsigned int _numConfiguredPhysicalPaths;
|
||||
|
||||
Hashtable< Address,SharedPtr<Peer> > _peers;
|
||||
Hashtable< Path::HashKey,SharedPtr<Path> > _paths;
|
||||
|
||||
Hashtable< Str,SharedPtr<const Locator> > _roots;
|
||||
Hashtable< Identity,bool > _rootIdentities;
|
||||
bool _rootsModified;
|
||||
|
||||
int64_t _lastUpdatedBestRoot;
|
||||
SharedPtr<Peer> _bestRoot;
|
||||
|
||||
Mutex _peers_l;
|
||||
Mutex _paths_l;
|
||||
Mutex _roots_l;
|
||||
Mutex _bestRoot_l;
|
||||
std::set< Identity > _roots; // locked by _peers_l
|
||||
std::vector< SharedPtr<Peer> > _rootPeers; // locked by _peers_l
|
||||
};
|
||||
|
||||
} // namespace ZeroTier
|
||||
|
|
|
@ -367,83 +367,11 @@ int b32d(const char *encoded,uint8_t *result,int bufSize)
|
|||
return count;
|
||||
}
|
||||
|
||||
unsigned int b64e(const uint8_t *in,unsigned int inlen,char *out,unsigned int outlen)
|
||||
static uint64_t _secureRandom64()
|
||||
{
|
||||
static const char base64en[64] = { 'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z','0','1','2','3','4','5','6','7','8','9','+','/' };
|
||||
unsigned int i = 0,j = 0;
|
||||
uint8_t l = 0;
|
||||
int s = 0;
|
||||
for (;i<inlen;++i) {
|
||||
uint8_t c = in[i];
|
||||
switch (s) {
|
||||
case 0:
|
||||
s = 1;
|
||||
if (j >= outlen) return 0;
|
||||
out[j++] = base64en[(c >> 2) & 0x3f];
|
||||
break;
|
||||
case 1:
|
||||
s = 2;
|
||||
if (j >= outlen) return 0;
|
||||
out[j++] = base64en[((l & 0x3) << 4) | ((c >> 4) & 0xf)];
|
||||
break;
|
||||
case 2:
|
||||
s = 0;
|
||||
if (j >= outlen) return 0;
|
||||
out[j++] = base64en[((l & 0xf) << 2) | ((c >> 6) & 0x3)];
|
||||
if (j >= outlen) return 0;
|
||||
out[j++] = base64en[c & 0x3f];
|
||||
break;
|
||||
}
|
||||
l = c;
|
||||
}
|
||||
switch (s) {
|
||||
case 1:
|
||||
if (j >= outlen) return 0;
|
||||
out[j++] = base64en[(l & 0x3) << 4];
|
||||
//out[j++] = '=';
|
||||
//out[j++] = '=';
|
||||
break;
|
||||
case 2:
|
||||
if (j >= outlen) return 0;
|
||||
out[j++] = base64en[(l & 0xf) << 2];
|
||||
//out[j++] = '=';
|
||||
break;
|
||||
}
|
||||
if (j >= outlen) return 0;
|
||||
out[j] = 0;
|
||||
return j;
|
||||
}
|
||||
|
||||
unsigned int b64d(const char *in,unsigned char *out,unsigned int outlen)
|
||||
{
|
||||
static const uint8_t base64de[256] = { 255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,255,62,255,255,255,63,52,53,54,55,56,57,58,59,60,61,255,255,255,255,255,255,255,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,255,255,255,255,255,255,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,255,255,255,255,255 };
|
||||
unsigned int i = 0;
|
||||
unsigned int j = 0;
|
||||
while ((in[i] != '=')&&(in[i] != 0)) {
|
||||
if (j >= outlen)
|
||||
break;
|
||||
uint8_t c = base64de[(unsigned char)in[i]];
|
||||
if (c != 255) {
|
||||
switch (i & 0x3) {
|
||||
case 0:
|
||||
out[j] = (c << 2) & 0xff;
|
||||
break;
|
||||
case 1:
|
||||
out[j++] |= (c >> 4) & 0x3;
|
||||
out[j] = (c & 0xf) << 4;
|
||||
break;
|
||||
case 2:
|
||||
out[j++] |= (c >> 2) & 0xf;
|
||||
out[j] = (c & 0x3) << 6;
|
||||
break;
|
||||
case 3:
|
||||
out[j++] |= c;
|
||||
break;
|
||||
}
|
||||
}
|
||||
++i;
|
||||
}
|
||||
return j;
|
||||
uint64_t tmp = 0;
|
||||
getSecureRandom(&tmp,sizeof(tmp));
|
||||
return tmp;
|
||||
}
|
||||
|
||||
#define ROL64(x,k) (((x) << (k)) | ((x) >> (64 - (k))))
|
||||
|
@ -451,10 +379,10 @@ uint64_t random()
|
|||
{
|
||||
// https://en.wikipedia.org/wiki/Xorshift#xoshiro256**
|
||||
static Mutex l;
|
||||
static uint64_t s0 = Utils::getSecureRandom64();
|
||||
static uint64_t s1 = Utils::getSecureRandom64();
|
||||
static uint64_t s2 = Utils::getSecureRandom64();
|
||||
static uint64_t s3 = Utils::getSecureRandom64();
|
||||
static uint64_t s0 = _secureRandom64();
|
||||
static uint64_t s1 = _secureRandom64();
|
||||
static uint64_t s2 = _secureRandom64();
|
||||
static uint64_t s3 = _secureRandom64();
|
||||
|
||||
l.lock();
|
||||
const uint64_t result = ROL64(s1 * 5,7) * 9;
|
||||
|
|
|
@ -140,21 +140,25 @@ unsigned int unhex(const char *h,unsigned int hlen,void *buf,unsigned int buflen
|
|||
void getSecureRandom(void *buf,unsigned int bytes);
|
||||
|
||||
/**
|
||||
* Get a 64-bit unsigned secure random number
|
||||
* Encode string to base32
|
||||
*
|
||||
* @param data Binary data to encode
|
||||
* @param length Length of data in bytes
|
||||
* @param result Result buffer
|
||||
* @param bufSize Size of result buffer
|
||||
* @return Number of bytes written
|
||||
*/
|
||||
static ZT_ALWAYS_INLINE uint64_t getSecureRandom64()
|
||||
{
|
||||
uint64_t x;
|
||||
getSecureRandom(&x,sizeof(x));
|
||||
return x;
|
||||
}
|
||||
|
||||
int b32e(const uint8_t *data,int length,char *result,int bufSize);
|
||||
int b32d(const char *encoded, uint8_t *result, int bufSize);
|
||||
|
||||
static ZT_ALWAYS_INLINE unsigned int b64MaxEncodedSize(const unsigned int s) { return ((((s + 2) / 3) * 4) + 1); }
|
||||
unsigned int b64e(const uint8_t *in,unsigned int inlen,char *out,unsigned int outlen);
|
||||
unsigned int b64d(const char *in,uint8_t *out,unsigned int outlen);
|
||||
/**
|
||||
* Decode base32 string
|
||||
*
|
||||
* @param encoded C-string in base32 format (non-base32 characters are ignored)
|
||||
* @param result Result buffer
|
||||
* @param bufSize Size of result buffer
|
||||
* @return Number of bytes written or -1 on error
|
||||
*/
|
||||
int b32d(const char *encoded, uint8_t *result, int bufSize);
|
||||
|
||||
/**
|
||||
* Get a non-cryptographic random integer
|
||||
|
@ -239,18 +243,34 @@ static ZT_ALWAYS_INLINE long long hexStrTo64(const char *s)
|
|||
*/
|
||||
bool scopy(char *dest,unsigned int len,const char *src);
|
||||
|
||||
/**
|
||||
* Calculate a non-cryptographic hash of a byte string
|
||||
*
|
||||
* @param key Key to hash
|
||||
* @param len Length in bytes
|
||||
* @return Non-cryptographic hash suitable for use in a hash table
|
||||
*/
|
||||
static unsigned long ZT_ALWAYS_INLINE hashString(const void *restrict key,const unsigned int len)
|
||||
{
|
||||
const uint8_t *p = reinterpret_cast<const uint8_t *>(key);
|
||||
unsigned long h = 0;
|
||||
for (unsigned int i=0;i<len;++i) {
|
||||
h += p[i];
|
||||
h += (h << 10);
|
||||
h ^= (h >> 6);
|
||||
}
|
||||
h += (h << 3);
|
||||
h ^= (h >> 11);
|
||||
h += (h << 15);
|
||||
return h;
|
||||
}
|
||||
|
||||
#ifdef __GNUC__
|
||||
static ZT_ALWAYS_INLINE unsigned int countBits(const uint8_t v) { return (unsigned int)__builtin_popcount((unsigned int)v); }
|
||||
static ZT_ALWAYS_INLINE unsigned int countBits(const uint16_t v) { return (unsigned int)__builtin_popcount((unsigned int)v); }
|
||||
static ZT_ALWAYS_INLINE unsigned int countBits(const uint32_t v) { return (unsigned int)__builtin_popcountl((unsigned long)v); }
|
||||
static ZT_ALWAYS_INLINE unsigned int countBits(const uint64_t v) { return (unsigned int)__builtin_popcountll((unsigned long long)v); }
|
||||
#else
|
||||
/**
|
||||
* Count the number of bits set in an integer
|
||||
*
|
||||
* @param v Unsigned integer
|
||||
* @return Number of bits set in this integer (0-bits in integer)
|
||||
*/
|
||||
template<typename T>
|
||||
static ZT_ALWAYS_INLINE unsigned int countBits(T v)
|
||||
{
|
||||
|
|
Loading…
Add table
Reference in a new issue