Bitcoin ABC 0.30.3
P2P Digital Currency
|
Network address. More...
#include <netaddress.h>
Public Member Functions | |
CNetAddr () | |
Construct an unspecified IPv6 network address (::/128). More... | |
CNetAddr (const struct in_addr &ipv4Addr) | |
void | SetIP (const CNetAddr &ip) |
void | SetLegacyIPv6 (Span< const uint8_t > ipv6) |
Set from a legacy IPv6 address. More... | |
bool | SetInternal (const std::string &name) |
Create an "internal" address that represents a name or FQDN. More... | |
bool | SetSpecial (const std::string &addr) |
Parse a Tor or I2P address and set this object to it. More... | |
bool | IsBindAny () const |
bool | IsIPv4 () const |
bool | IsIPv6 () const |
bool | IsRFC1918 () const |
bool | IsRFC2544 () const |
bool | IsRFC6598 () const |
bool | IsRFC5737 () const |
bool | IsRFC3849 () const |
bool | IsRFC3927 () const |
bool | IsRFC3964 () const |
bool | IsRFC4193 () const |
bool | IsRFC4380 () const |
bool | IsRFC4843 () const |
bool | IsRFC7343 () const |
bool | IsRFC4862 () const |
bool | IsRFC6052 () const |
bool | IsRFC6145 () const |
bool | IsHeNet () const |
bool | IsTor () const |
Check whether this object represents a TOR address. More... | |
bool | IsI2P () const |
Check whether this object represents an I2P address. More... | |
bool | IsCJDNS () const |
Check whether this object represents a CJDNS address. More... | |
bool | IsLocal () const |
bool | IsRoutable () const |
bool | IsInternal () const |
bool | IsValid () const |
bool | IsAddrV1Compatible () const |
Check if the current object can be serialized in pre-ADDRv2/BIP155 format. More... | |
enum Network | GetNetwork () const |
std::string | ToString () const |
std::string | ToStringIP () const |
bool | GetInAddr (struct in_addr *pipv4Addr) const |
Try to get our IPv4 address. More... | |
Network | GetNetClass () const |
uint32_t | GetLinkedIPv4 () const |
For IPv4, mapped IPv4, SIIT translated IPv4, Teredo, 6to4 tunneled addresses, return the relevant IPv4 address as a uint32. More... | |
bool | HasLinkedIPv4 () const |
Whether this address has a linked IPv4 address (see GetLinkedIPv4()). More... | |
uint32_t | GetMappedAS (const std::vector< bool > &asmap) const |
std::vector< uint8_t > | GetGroup (const std::vector< bool > &asmap) const |
Get the canonical identifier of our network group. More... | |
std::vector< uint8_t > | GetAddrBytes () const |
int | GetReachabilityFrom (const CNetAddr *paddrPartner=nullptr) const |
Calculates a metric for how reachable (*this) is from a given partner. More... | |
CNetAddr (const struct in6_addr &pipv6Addr, const uint32_t scope=0) | |
bool | GetIn6Addr (struct in6_addr *pipv6Addr) const |
Try to get our IPv6 address. More... | |
bool | IsRelayable () const |
Whether this address should be relayed to other peers even if we can't reach it ourselves. More... | |
template<typename Stream > | |
void | Serialize (Stream &s) const |
Serialize to a stream. More... | |
template<typename Stream > | |
void | Unserialize (Stream &s) |
Unserialize from a stream. More... | |
Protected Attributes | |
prevector< ADDR_IPV6_SIZE, uint8_t > | m_addr {ADDR_IPV6_SIZE, 0x0} |
Raw representation of the network address. More... | |
Network | m_net {NET_IPV6} |
Network to which this address belongs. More... | |
uint32_t | m_scope_id {0} |
Scope id if scoped/link-local IPV6 address. More... | |
Private Types | |
enum | BIP155Network : uint8_t { IPV4 = 1 , IPV6 = 2 , TORV2 = 3 , TORV3 = 4 , I2P = 5 , CJDNS = 6 } |
BIP155 network ids recognized by this software. More... | |
Private Member Functions | |
bool | SetTor (const std::string &addr) |
Parse a Tor address and set this object to it. More... | |
bool | SetI2P (const std::string &addr) |
Parse an I2P address and set this object to it. More... | |
BIP155Network | GetBIP155Network () const |
Get the BIP155 network id of this address. More... | |
bool | SetNetFromBIP155Network (uint8_t possible_bip155_net, size_t address_size) |
Set m_net from the provided BIP155 network id and size after validation. More... | |
void | SerializeV1Array (uint8_t(&arr)[V1_SERIALIZATION_SIZE]) const |
Serialize in pre-ADDRv2/BIP155 format to an array. More... | |
template<typename Stream > | |
void | SerializeV1Stream (Stream &s) const |
Serialize in pre-ADDRv2/BIP155 format to a stream. More... | |
template<typename Stream > | |
void | SerializeV2Stream (Stream &s) const |
Serialize as ADDRv2 / BIP155. More... | |
void | UnserializeV1Array (uint8_t(&arr)[V1_SERIALIZATION_SIZE]) |
Unserialize from a pre-ADDRv2/BIP155 format from an array. More... | |
template<typename Stream > | |
void | UnserializeV1Stream (Stream &s) |
Unserialize from a pre-ADDRv2/BIP155 format from a stream. More... | |
template<typename Stream > | |
void | UnserializeV2Stream (Stream &s) |
Unserialize from a ADDRv2 / BIP155 format. More... | |
Static Private Attributes | |
static constexpr size_t | V1_SERIALIZATION_SIZE = ADDR_IPV6_SIZE |
Size of CNetAddr when serialized as ADDRv1 (pre-BIP155) (in bytes). More... | |
static constexpr size_t | MAX_ADDRV2_SIZE = 512 |
Maximum size of an address as defined in BIP155 (in bytes). More... | |
Friends | |
class | CSubNet |
bool | operator== (const CNetAddr &a, const CNetAddr &b) |
bool | operator!= (const CNetAddr &a, const CNetAddr &b) |
bool | operator< (const CNetAddr &a, const CNetAddr &b) |
Network address.
Definition at line 121 of file netaddress.h.
|
private |
BIP155 network ids recognized by this software.
Enumerator | |
---|---|
IPV4 | |
IPV6 | |
TORV2 | |
TORV3 | |
I2P | |
CJDNS |
Definition at line 301 of file netaddress.h.
CNetAddr::CNetAddr | ( | ) |
Construct an unspecified IPv6 network address (::/128).
Definition at line 123 of file netaddress.cpp.
|
explicit |
|
explicit |
std::vector< uint8_t > CNetAddr::GetAddrBytes | ( | ) | const |
Definition at line 863 of file netaddress.cpp.
|
private |
Get the BIP155 network id of this address.
Must not be called for IsInternal() objects.
Definition at line 28 of file netaddress.cpp.
std::vector< uint8_t > CNetAddr::GetGroup | ( | const std::vector< bool > & | asmap | ) | const |
Get the canonical identifier of our network group.
The groups are assigned in a way where it should be costly for an attacker to obtain addresses with many different group identifiers, even if it is cheap to obtain addresses with the same identifier.
Definition at line 808 of file netaddress.cpp.
bool CNetAddr::GetIn6Addr | ( | struct in6_addr * | pipv6Addr | ) | const |
Try to get our IPv6 address.
[out] | pipv6Addr | The in6_addr struct to which to copy. |
Definition at line 714 of file netaddress.cpp.
bool CNetAddr::GetInAddr | ( | struct in_addr * | pipv4Addr | ) | const |
Try to get our IPv4 address.
[out] | pipv4Addr | The in_addr struct to which to copy. |
Definition at line 695 of file netaddress.cpp.
uint32_t CNetAddr::GetLinkedIPv4 | ( | ) | const |
For IPv4, mapped IPv4, SIIT translated IPv4, Teredo, 6to4 tunneled addresses, return the relevant IPv4 address as a uint32.
Definition at line 728 of file netaddress.cpp.
uint32_t CNetAddr::GetMappedAS | ( | const std::vector< bool > & | asmap | ) | const |
Definition at line 764 of file netaddress.cpp.
Network CNetAddr::GetNetClass | ( | ) | const |
Definition at line 746 of file netaddress.cpp.
enum Network CNetAddr::GetNetwork | ( | ) | const |
Definition at line 551 of file netaddress.cpp.
int CNetAddr::GetReachabilityFrom | ( | const CNetAddr * | paddrPartner = nullptr | ) | const |
Calculates a metric for how reachable (*this) is from a given partner.
Definition at line 887 of file netaddress.cpp.
bool CNetAddr::HasLinkedIPv4 | ( | ) | const |
Whether this address has a linked IPv4 address (see GetLinkedIPv4()).
Definition at line 723 of file netaddress.cpp.
bool CNetAddr::IsAddrV1Compatible | ( | ) | const |
Check if the current object can be serialized in pre-ADDRv2/BIP155 format.
Definition at line 530 of file netaddress.cpp.
bool CNetAddr::IsBindAny | ( | ) | const |
Definition at line 334 of file netaddress.cpp.
bool CNetAddr::IsCJDNS | ( | ) | const |
Check whether this object represents a CJDNS address.
Definition at line 449 of file netaddress.cpp.
bool CNetAddr::IsHeNet | ( | ) | const |
Definition at line 425 of file netaddress.cpp.
bool CNetAddr::IsI2P | ( | ) | const |
Check whether this object represents an I2P address.
Definition at line 442 of file netaddress.cpp.
bool CNetAddr::IsInternal | ( | ) | const |
Definition at line 526 of file netaddress.cpp.
bool CNetAddr::IsIPv4 | ( | ) | const |
bool CNetAddr::IsIPv6 | ( | ) | const |
bool CNetAddr::IsLocal | ( | ) | const |
Definition at line 453 of file netaddress.cpp.
|
inline |
Whether this address should be relayed to other peers even if we can't reach it ourselves.
Definition at line 252 of file netaddress.h.
bool CNetAddr::IsRFC1918 | ( | ) | const |
Definition at line 350 of file netaddress.cpp.
bool CNetAddr::IsRFC2544 | ( | ) | const |
Definition at line 356 of file netaddress.cpp.
bool CNetAddr::IsRFC3849 | ( | ) | const |
Definition at line 375 of file netaddress.cpp.
bool CNetAddr::IsRFC3927 | ( | ) | const |
Definition at line 360 of file netaddress.cpp.
bool CNetAddr::IsRFC3964 | ( | ) | const |
Definition at line 380 of file netaddress.cpp.
bool CNetAddr::IsRFC4193 | ( | ) | const |
Definition at line 402 of file netaddress.cpp.
bool CNetAddr::IsRFC4380 | ( | ) | const |
Definition at line 391 of file netaddress.cpp.
bool CNetAddr::IsRFC4843 | ( | ) | const |
Definition at line 413 of file netaddress.cpp.
bool CNetAddr::IsRFC4862 | ( | ) | const |
Definition at line 396 of file netaddress.cpp.
bool CNetAddr::IsRFC5737 | ( | ) | const |
Definition at line 368 of file netaddress.cpp.
bool CNetAddr::IsRFC6052 | ( | ) | const |
Definition at line 384 of file netaddress.cpp.
bool CNetAddr::IsRFC6145 | ( | ) | const |
Definition at line 406 of file netaddress.cpp.
bool CNetAddr::IsRFC6598 | ( | ) | const |
Definition at line 364 of file netaddress.cpp.
bool CNetAddr::IsRFC7343 | ( | ) | const |
Definition at line 419 of file netaddress.cpp.
bool CNetAddr::IsRoutable | ( | ) | const |
Definition at line 514 of file netaddress.cpp.
bool CNetAddr::IsTor | ( | ) | const |
Check whether this object represents a TOR address.
Definition at line 435 of file netaddress.cpp.
bool CNetAddr::IsValid | ( | ) | const |
Definition at line 479 of file netaddress.cpp.
|
inline |
Serialize to a stream.
Definition at line 257 of file netaddress.h.
|
inlineprivate |
Serialize in pre-ADDRv2/BIP155 format to an array.
Definition at line 345 of file netaddress.h.
|
inlineprivate |
Serialize in pre-ADDRv2/BIP155 format to a stream.
Definition at line 390 of file netaddress.h.
|
inlineprivate |
Serialize as ADDRv2 / BIP155.
Definition at line 401 of file netaddress.h.
|
private |
Parse an I2P address and set this object to it.
[in] | addr | Address to parse, must be a valid C string, for example ukeu3k5oycgaauneqgtnvselmt4yemvoilkln7jpvamvfx7dnkdq.b32.i2p. |
Definition at line 293 of file netaddress.cpp.
bool CNetAddr::SetInternal | ( | const std::string & | name | ) |
Create an "internal" address that represents a name or FQDN.
AddrMan uses these fake addresses to keep track of which DNS seeds were used.
Definition at line 188 of file netaddress.cpp.
void CNetAddr::SetIP | ( | const CNetAddr & | ip | ) |
void CNetAddr::SetLegacyIPv6 | ( | Span< const uint8_t > | ipv6 | ) |
Set from a legacy IPv6 address.
Legacy IPv6 address may be a normal IPv6 address, or another address (e.g. IPv4) disguised as IPv6. This encoding is used in the legacy addr
encoding.
Definition at line 156 of file netaddress.cpp.
|
private |
Set m_net
from the provided BIP155 network id and size after validation.
true | the network was recognized, is valid and m_net was set |
false | not recognised (from future?) and should be silently ignored |
std::ios_base::failure | if the network is one of the BIP155 founding networks recognized by this software (id 1..6) with wrong address size. |
Definition at line 59 of file netaddress.cpp.
bool CNetAddr::SetSpecial | ( | const std::string & | addr | ) |
Parse a Tor or I2P address and set this object to it.
[in] | addr | Address to parse, for example pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion or ukeu3k5oycgaauneqgtnvselmt4yemvoilkln7jpvamvfx7dnkdq.b32.i2p. |
Definition at line 227 of file netaddress.cpp.
|
private |
Parse a Tor address and set this object to it.
[in] | addr | Address to parse, must be a valid C string, for example pg6mmjiyjmcrsslvykfwnntlaru7p5svn6y2ymmju6nubxndf4pscryd.onion or 6hzph5hv6337r6p2.onion. |
Definition at line 243 of file netaddress.cpp.
std::string CNetAddr::ToString | ( | ) | const |
Definition at line 673 of file netaddress.cpp.
std::string CNetAddr::ToStringIP | ( | ) | const |
Definition at line 628 of file netaddress.cpp.
|
inline |
Unserialize from a stream.
Definition at line 268 of file netaddress.h.
|
inlineprivate |
Unserialize from a pre-ADDRv2/BIP155 format from an array.
Definition at line 418 of file netaddress.h.
|
inlineprivate |
Unserialize from a pre-ADDRv2/BIP155 format from a stream.
Definition at line 427 of file netaddress.h.
|
inlineprivate |
Unserialize from a ADDRv2 / BIP155 format.
Definition at line 438 of file netaddress.h.
|
friend |
Definition at line 276 of file netaddress.h.
Definition at line 243 of file netaddress.h.
Definition at line 681 of file netaddress.cpp.
Definition at line 677 of file netaddress.cpp.
|
protected |
Raw representation of the network address.
In network byte order (big endian) for IPv4 and IPv6.
Definition at line 127 of file netaddress.h.
Network to which this address belongs.
Definition at line 132 of file netaddress.h.
|
protected |
Scope id if scoped/link-local IPV6 address.
See https://tools.ietf.org/html/rfc4007
Definition at line 138 of file netaddress.h.
|
staticconstexprprivate |
Maximum size of an address as defined in BIP155 (in bytes).
This is only the size of the address, not the entire CNetAddr object when serialized.
Definition at line 320 of file netaddress.h.
|
staticconstexprprivate |
Size of CNetAddr when serialized as ADDRv1 (pre-BIP155) (in bytes).
Definition at line 313 of file netaddress.h.