#include "netbase.h"
#include "hash.h"
#include "sync.h"
#include "uint256.h"
#include "random.h"
#include "util.h"
#include "utilstrencodings.h"
#include <atomic>
#include <fcntl.h>
#include <boost/algorithm/string/case_conv.hpp>
#include <boost/algorithm/string/predicate.hpp>

Classes
struct	ProxyCredentials

Functions
static std::atomic< bool >	interruptSocks5Recv (false)

enum Network	ParseNetwork (std::string net)

std::string	GetNetworkName (enum Network net)

void	SplitHostPort (std::string in, int &portOut, std::string &hostOut)

static bool	LookupIntern (const char *pszName, std::vector< CNetAddr > &vIP, unsigned int nMaxSolutions, bool fAllowLookup)

bool	LookupHost (const char *pszName, std::vector< CNetAddr > &vIP, unsigned int nMaxSolutions, bool fAllowLookup)

bool	LookupHost (const char *pszName, CNetAddr &addr, bool fAllowLookup)

bool	Lookup (const char *pszName, std::vector< CService > &vAddr, int portDefault, bool fAllowLookup, unsigned int nMaxSolutions)

bool	Lookup (const char *pszName, CService &addr, int portDefault, bool fAllowLookup)

CService	LookupNumeric (const char *pszName, int portDefault)

struct timeval	MillisToTimeval (int64_t nTimeout)

static bool	InterruptibleRecv (char *data, size_t len, int timeout, SOCKET &hSocket)

static bool	Socks5 (const std::string &strDest, int port, const ProxyCredentials *auth, SOCKET &hSocket)

static bool	ConnectSocketDirectly (const CService &addrConnect, SOCKET &hSocketRet, int nTimeout)

bool	SetProxy (enum Network net, const proxyType &addrProxy)

bool	GetProxy (enum Network net, proxyType &proxyInfoOut)

bool	SetNameProxy (const proxyType &addrProxy)

bool	GetNameProxy (proxyType &nameProxyOut)

bool	HaveNameProxy ()

bool	IsProxy (const CNetAddr &addr)

static bool	ConnectThroughProxy (const proxyType &proxy, const std::string &strDest, int port, SOCKET &hSocketRet, int nTimeout, bool *outProxyConnectionFailed)

bool	ConnectSocket (const CService &addrDest, SOCKET &hSocketRet, int nTimeout, bool *outProxyConnectionFailed)

bool	ConnectSocketByName (CService &addr, SOCKET &hSocketRet, const char pszDest, int portDefault, int nTimeout, bool outProxyConnectionFailed)

bool	LookupSubNet (const char *pszName, CSubNet &ret)

std::string	NetworkErrorString (int err)

bool	CloseSocket (SOCKET &hSocket)

bool	SetSocketNonBlocking (SOCKET &hSocket, bool fNonBlocking)

void	InterruptSocks5 (bool interrupt)

Variables
static proxyType	proxyInfo [NET_MAX]

static proxyType	nameProxy

static CCriticalSection	cs_proxyInfos

int	nConnectTimeout = DEFAULT_CONNECT_TIMEOUT

bool	fNameLookup = DEFAULT_NAME_LOOKUP

static const int	SOCKS5_RECV_TIMEOUT = 20 * 1000

Function Documentation

◆ CloseSocket()

bool CloseSocket ( SOCKET & hSocket )

Close socket and set hSocket to INVALID_SOCKET

Definition at line 711 of file netbase.cpp.

Referenced by CConnman::AcceptConnection(), CConnman::BindListenPort(), CNode::CloseSocketDisconnect(), CConnman::ConnectNode(), ConnectSocketDirectly(), SetSocketNonBlocking(), Socks5(), CConnman::Stop(), and CNode::~CNode().

◆ ConnectSocket()

bool ConnectSocket	(	const CService &	addrDest,
		SOCKET &	hSocketRet,
		int	nTimeout,
		bool *	outProxyConnectionFailed
	)

Definition at line 600 of file netbase.cpp.

Referenced by CConnman::ConnectNode(), and ConnectSocketByName().

◆ ConnectSocketByName()

bool ConnectSocketByName	(	CService &	addr,
		SOCKET &	hSocketRet,
		const char *	pszDest,
		int	portDefault,
		int	nTimeout,
		bool *	outProxyConnectionFailed
	)

Definition at line 612 of file netbase.cpp.

Referenced by CConnman::ConnectNode().

◆ ConnectSocketDirectly()

static bool ConnectSocketDirectly	(	const CService &	addrConnect,
		SOCKET &	hSocketRet,
		int	nTimeout
	)

static

Definition at line 438 of file netbase.cpp.

Referenced by ConnectSocket(), and ConnectThroughProxy().

◆ ConnectThroughProxy()

static bool ConnectThroughProxy	(	const proxyType &	proxy,
		const std::string &	strDest,
		int	port,
		SOCKET &	hSocketRet,
		int	nTimeout,
		bool *	outProxyConnectionFailed
	)

static

Definition at line 575 of file netbase.cpp.

Referenced by ConnectSocket(), and ConnectSocketByName().

◆ GetNameProxy()

bool GetNameProxy ( proxyType & nameProxyOut )

Definition at line 553 of file netbase.cpp.

Referenced by ConnectSocketByName().

◆ GetNetworkName()

std::string GetNetworkName ( enum Network net )

Definition at line 51 of file netbase.cpp.

Referenced by GetNetworksInfo().

◆ GetProxy()

bool GetProxy	(	enum Network	net,
		proxyType &	proxyInfoOut
	)

Definition at line 536 of file netbase.cpp.

Referenced by ConnectSocket(), getinfo(), GetNetworksInfo(), OptionsModel::getProxySettings(), and OptionsDialog::updateDefaultProxyNets().

◆ HaveNameProxy()

bool HaveNameProxy ( )

Definition at line 561 of file netbase.cpp.

Referenced by ConnectSocketByName(), and CConnman::ThreadDNSAddressSeed().

◆ InterruptibleRecv()

static bool InterruptibleRecv	(	char *	data,
		size_t	len,
		int	timeout,
		SOCKET &	hSocket
	)

static

Read bytes from socket. This will either read the full number of bytes requested or return False on error or timeout. This function can be interrupted by calling InterruptSocks5()

Parameters

data	Buffer to receive into
len	Length of data to receive
timeout	Timeout in milliseconds for receive operation

Note: This function requires that hSocket is in non-blocking mode.

Definition at line 257 of file netbase.cpp.

Referenced by Socks5().

◆ InterruptSocks5()

void InterruptSocks5 ( bool interrupt )

Definition at line 753 of file netbase.cpp.

Referenced by CConnman::Interrupt(), and CConnman::Start().

◆ interruptSocks5Recv()

static std::atomic<bool> interruptSocks5Recv ( false )

static

Referenced by InterruptibleRecv(), and InterruptSocks5().

◆ IsProxy()

bool IsProxy ( const CNetAddr & addr )

Definition at line 566 of file netbase.cpp.

◆ Lookup() [1/2]

bool Lookup	(	const char *	pszName,
		std::vector< CService > &	vAddr,
		int	portDefault,
		bool	fAllowLookup,
		unsigned int	nMaxSolutions
	)

Definition at line 200 of file netbase.cpp.

Referenced by AppInit2(), ConnectSocketByName(), CMasternodeBroadcast::Create(), Lookup(), LookupNumeric(), masternode(), and CConnman::ThreadDNSAddressSeed().

◆ Lookup() [2/2]

bool Lookup	(	const char *	pszName,
		CService &	addr,
		int	portDefault,
		bool	fAllowLookup
	)

Definition at line 218 of file netbase.cpp.

◆ LookupHost() [1/2]

bool LookupHost	(	const char *	pszName,
		std::vector< CNetAddr > &	vIP,
		unsigned int	nMaxSolutions,
		bool	fAllowLookup
	)

Definition at line 177 of file netbase.cpp.

Referenced by Discover(), InitHTTPAllowList(), LookupHost(), LookupSubNet(), setban(), CConnman::Start(), CConnman::ThreadDNSAddressSeed(), and CConnman::ThreadOpenConnections().

◆ LookupHost() [2/2]

bool LookupHost	(	const char *	pszName,
		CNetAddr &	addr,
		bool	fAllowLookup
	)

Definition at line 190 of file netbase.cpp.

◆ LookupIntern()

static bool LookupIntern	(	const char *	pszName,
		std::vector< CNetAddr > &	vIP,
		unsigned int	nMaxSolutions,
		bool	fAllowLookup
	)

static

Definition at line 80 of file netbase.cpp.

Referenced by Lookup(), and LookupHost().

◆ LookupNumeric()

CService LookupNumeric	(	const char *	pszName,
		int	portDefault
	)

Definition at line 228 of file netbase.cpp.

Referenced by TorController::add_onion_cb(), AppInit2(), TorController::auth_cb(), CConnman::GetAddedNodeInfo(), HTTPRequest::GetPeer(), CConnman::ThreadOpenAddedConnections(), and ProxyAddressValidator::validate().

◆ LookupSubNet()

bool LookupSubNet	(	const char *	pszName,
		CSubNet &	ret
	)

Definition at line 640 of file netbase.cpp.

Referenced by AppInit2(), InitHTTPAllowList(), setban(), and RPCConsole::unbanSelectedNode().

◆ MillisToTimeval()

struct timeval MillisToTimeval ( int64_t nTimeout )

Convert milliseconds to a struct timeval for e.g. select.

Definition at line 238 of file netbase.cpp.

Referenced by ConnectSocketDirectly(), TorController::disconnected_cb(), and InterruptibleRecv().

◆ NetworkErrorString()

std::string NetworkErrorString ( int err )

Return readable error string for a network error code

Definition at line 694 of file netbase.cpp.

Referenced by CConnman::AcceptConnection(), CConnman::BindListenPort(), ConnectSocketDirectly(), CConnman::SocketSendData(), CConnman::Stop(), and CConnman::ThreadSocketHandler().

◆ ParseNetwork()

enum Network ParseNetwork ( std::string net )

Definition at line 43 of file netbase.cpp.

Referenced by AppInit2().

◆ SetNameProxy()

bool SetNameProxy ( const proxyType & addrProxy )

Definition at line 545 of file netbase.cpp.

Referenced by AppInit2().

◆ SetProxy()

bool SetProxy	(	enum Network	net,
		const proxyType &	addrProxy
	)

Definition at line 527 of file netbase.cpp.

Referenced by AppInit2(), and TorController::auth_cb().

◆ SetSocketNonBlocking()

bool SetSocketNonBlocking	(	SOCKET &	hSocket,
		bool	fNonBlocking
	)

Disable or enable blocking-mode for a socket

Definition at line 724 of file netbase.cpp.

Referenced by CConnman::BindListenPort(), and ConnectSocketDirectly().

◆ Socks5()

static bool Socks5	(	const std::string &	strDest,
		int	port,
		const ProxyCredentials *	auth,
		SOCKET &	hSocket
	)

static

Connect using SOCKS5 (as described in RFC1928)

Definition at line 303 of file netbase.cpp.

Referenced by ConnectThroughProxy().

◆ SplitHostPort()

void SplitHostPort	(	std::string	in,
		int &	portOut,
		std::string &	hostOut
	)

Definition at line 61 of file netbase.cpp.

Referenced by ConnectSocketByName(), HTTPBindAddresses(), Lookup(), and CMasternodeConfig::read().

Variable Documentation

◆ cs_proxyInfos

CCriticalSection cs_proxyInfos

static

Definition at line 35 of file netbase.cpp.

Referenced by GetNameProxy(), GetProxy(), HaveNameProxy(), IsProxy(), SetNameProxy(), and SetProxy().

◆ fNameLookup

bool fNameLookup = DEFAULT_NAME_LOOKUP

Definition at line 37 of file netbase.cpp.

Referenced by AppInit2(), and ConnectSocketByName().

◆ nameProxy

proxyType nameProxy

static

Definition at line 34 of file netbase.cpp.

Referenced by ConnectSocketByName(), GetNameProxy(), HaveNameProxy(), and SetNameProxy().

◆ nConnectTimeout

int nConnectTimeout = DEFAULT_CONNECT_TIMEOUT

Definition at line 36 of file netbase.cpp.

Referenced by AppInit2(), and CConnman::ConnectNode().

◆ proxyInfo

proxyType proxyInfo[NET_MAX]

static

Definition at line 33 of file netbase.cpp.

Referenced by GetProxy(), IsProxy(), and SetProxy().

◆ SOCKS5_RECV_TIMEOUT

const int SOCKS5_RECV_TIMEOUT = 20 * 1000

static

Definition at line 40 of file netbase.cpp.

Referenced by Socks5().

Classes

Functions

Variables

Function Documentation

◆ CloseSocket()

◆ ConnectSocket()

◆ ConnectSocketByName()

◆ ConnectSocketDirectly()

◆ ConnectThroughProxy()

◆ GetNameProxy()

◆ GetNetworkName()

◆ GetProxy()

◆ HaveNameProxy()

◆ InterruptibleRecv()

◆ InterruptSocks5()

◆ interruptSocks5Recv()

◆ IsProxy()

◆ Lookup() [1/2]

◆ Lookup() [2/2]

◆ LookupHost() [1/2]

◆ LookupHost() [2/2]

◆ LookupIntern()

◆ LookupNumeric()

◆ LookupSubNet()

◆ MillisToTimeval()

◆ NetworkErrorString()

◆ ParseNetwork()

◆ SetNameProxy()

◆ SetProxy()

◆ SetSocketNonBlocking()

◆ Socks5()

◆ SplitHostPort()

Variable Documentation

◆ cs_proxyInfos

◆ fNameLookup

◆ nameProxy

◆ nConnectTimeout

◆ proxyInfo

◆ SOCKS5_RECV_TIMEOUT