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netbase.cpp File Reference
#include <netbase.h>
#include <sync.h>
#include <tinyformat.h>
#include <util/system.h>
#include <util/strencodings.h>
#include <atomic>
#include <fcntl.h>
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Classes

struct  ProxyCredentials
 Credentials for proxy authentication. More...
 

Macros

#define MSG_NOSIGNAL   0
 

Enumerations

enum  SOCKSVersion : uint8_t { SOCKS4 = 0x04, SOCKS5 = 0x05 }
 SOCKS version. More...
 
enum  SOCKS5Method : uint8_t { NOAUTH = 0x00, GSSAPI = 0x01, USER_PASS = 0x02, NO_ACCEPTABLE = 0xff }
 Values defined for METHOD in RFC1928. More...
 
enum  SOCKS5Command : uint8_t { CONNECT = 0x01, BIND = 0x02, UDP_ASSOCIATE = 0x03 }
 Values defined for CMD in RFC1928. More...
 
enum  SOCKS5Reply : uint8_t {
  SUCCEEDED = 0x00, GENFAILURE = 0x01, NOTALLOWED = 0x02, NETUNREACHABLE = 0x03,
  HOSTUNREACHABLE = 0x04, CONNREFUSED = 0x05, TTLEXPIRED = 0x06, CMDUNSUPPORTED = 0x07,
  ATYPEUNSUPPORTED = 0x08
}
 Values defined for REP in RFC1928. More...
 
enum  SOCKS5Atyp : uint8_t { IPV4 = 0x01, DOMAINNAME = 0x03, IPV6 = 0x04 }
 Values defined for ATYPE in RFC1928. More...
 
enum  IntrRecvError {
  IntrRecvError::OK, IntrRecvError::Timeout, IntrRecvError::Disconnected, IntrRecvError::NetworkError,
  IntrRecvError::Interrupted
}
 Status codes that can be returned by InterruptibleRecv. More...
 

Functions

enum Network ParseNetwork (std::string net)
 
std::string GetNetworkName (enum Network net)
 
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)
 Convert milliseconds to a struct timeval for e.g. More...
 
SOCKET CreateSocket (const CService &addrConnect)
 
bool ConnectSocketDirectly (const CService &addrConnect, const SOCKET &hSocket, int nTimeout, bool manual_connection)
 
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)
 
bool ConnectThroughProxy (const proxyType &proxy, const std::string &strDest, int port, const SOCKET &hSocket, int nTimeout, bool *outProxyConnectionFailed)
 
bool LookupSubNet (const char *pszName, CSubNet &ret)
 
std::string NetworkErrorString (int err)
 Return readable error string for a network error code. More...
 
bool CloseSocket (SOCKET &hSocket)
 Close socket and set hSocket to INVALID_SOCKET. More...
 
bool SetSocketNonBlocking (const SOCKET &hSocket, bool fNonBlocking)
 Disable or enable blocking-mode for a socket. More...
 
bool SetSocketNoDelay (const SOCKET &hSocket)
 Set the TCP_NODELAY flag on a socket. More...
 
void InterruptSocks5 (bool interrupt)
 

Variables

int nConnectTimeout = DEFAULT_CONNECT_TIMEOUT
 
bool fNameLookup = DEFAULT_NAME_LOOKUP
 

Macro Definition Documentation

◆ MSG_NOSIGNAL

#define MSG_NOSIGNAL   0

Definition at line 26 of file netbase.cpp.

Enumeration Type Documentation

◆ IntrRecvError

enum IntrRecvError
strong

Status codes that can be returned by InterruptibleRecv.

Enumerator
OK 
Timeout 
Disconnected 
NetworkError 
Interrupted 

Definition at line 225 of file netbase.cpp.

◆ SOCKS5Atyp

enum SOCKS5Atyp : uint8_t

Values defined for ATYPE in RFC1928.

Enumerator
IPV4 
DOMAINNAME 
IPV6 

Definition at line 218 of file netbase.cpp.

◆ SOCKS5Command

enum SOCKS5Command : uint8_t

Values defined for CMD in RFC1928.

Enumerator
CONNECT 
BIND 
UDP_ASSOCIATE 

Definition at line 198 of file netbase.cpp.

◆ SOCKS5Method

enum SOCKS5Method : uint8_t

Values defined for METHOD in RFC1928.

Enumerator
NOAUTH 

No authentication required.

GSSAPI 

GSSAPI.

USER_PASS 

Username/password.

NO_ACCEPTABLE 

No acceptable methods.

Definition at line 190 of file netbase.cpp.

◆ SOCKS5Reply

enum SOCKS5Reply : uint8_t

Values defined for REP in RFC1928.

Enumerator
SUCCEEDED 

Succeeded.

GENFAILURE 

General failure.

NOTALLOWED 

Connection not allowed by ruleset.

NETUNREACHABLE 

Network unreachable.

HOSTUNREACHABLE 

Network unreachable.

CONNREFUSED 

Connection refused.

TTLEXPIRED 

TTL expired.

CMDUNSUPPORTED 

Command not supported.

ATYPEUNSUPPORTED 

Address type not supported.

Definition at line 205 of file netbase.cpp.

◆ SOCKSVersion

enum SOCKSVersion : uint8_t

SOCKS version.

Enumerator
SOCKS4 
SOCKS5 

Definition at line 184 of file netbase.cpp.

Function Documentation

◆ CloseSocket()

bool CloseSocket ( SOCKET hSocket)

Close socket and set hSocket to INVALID_SOCKET.

Definition at line 698 of file netbase.cpp.

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◆ ConnectSocketDirectly()

bool ConnectSocketDirectly ( const CService addrConnect,
const SOCKET hSocket,
int  nTimeout,
bool  manual_connection 
)

Definition at line 489 of file netbase.cpp.

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◆ ConnectThroughProxy()

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

Definition at line 602 of file netbase.cpp.

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◆ CreateSocket()

SOCKET CreateSocket ( const CService addrConnect)

Definition at line 443 of file netbase.cpp.

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◆ GetNameProxy()

bool GetNameProxy ( proxyType nameProxyOut)

Definition at line 580 of file netbase.cpp.

◆ GetNetworkName()

std::string GetNetworkName ( enum Network  net)

Definition at line 52 of file netbase.cpp.

◆ GetProxy()

bool GetProxy ( enum Network  net,
proxyType proxyInfoOut 
)

Definition at line 563 of file netbase.cpp.

◆ HaveNameProxy()

bool HaveNameProxy ( )

Definition at line 588 of file netbase.cpp.

◆ InterruptSocks5()

void InterruptSocks5 ( bool  interrupt)

Definition at line 748 of file netbase.cpp.

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◆ IsProxy()

bool IsProxy ( const CNetAddr addr)

Definition at line 593 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 137 of file netbase.cpp.

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◆ Lookup() [2/2]

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

Definition at line 155 of file netbase.cpp.

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◆ LookupHost() [1/2]

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

Definition at line 115 of file netbase.cpp.

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◆ LookupHost() [2/2]

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

Definition at line 127 of file netbase.cpp.

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◆ LookupNumeric()

CService LookupNumeric ( const char *  pszName,
int  portDefault 
)

Definition at line 165 of file netbase.cpp.

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◆ LookupSubNet()

bool LookupSubNet ( const char *  pszName,
CSubNet ret 
)

Definition at line 626 of file netbase.cpp.

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◆ MillisToTimeval()

struct timeval MillisToTimeval ( int64_t  nTimeout)

Convert milliseconds to a struct timeval for e.g.

select.

Definition at line 175 of file netbase.cpp.

◆ NetworkErrorString()

std::string NetworkErrorString ( int  err)

Return readable error string for a network error code.

Definition at line 680 of file netbase.cpp.

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◆ ParseNetwork()

enum Network ParseNetwork ( std::string  net)

Definition at line 40 of file netbase.cpp.

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◆ SetNameProxy()

bool SetNameProxy ( const proxyType addrProxy)

Definition at line 572 of file netbase.cpp.

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◆ SetProxy()

bool SetProxy ( enum Network  net,
const proxyType addrProxy 
)

Definition at line 554 of file netbase.cpp.

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◆ SetSocketNoDelay()

bool SetSocketNoDelay ( const SOCKET hSocket)

Set the TCP_NODELAY flag on a socket.

Definition at line 741 of file netbase.cpp.

◆ SetSocketNonBlocking()

bool SetSocketNonBlocking ( const SOCKET hSocket,
bool  fNonBlocking 
)

Disable or enable blocking-mode for a socket.

Definition at line 714 of file netbase.cpp.

Variable Documentation

◆ fNameLookup

bool fNameLookup = DEFAULT_NAME_LOOKUP

Definition at line 34 of file netbase.cpp.

◆ nConnectTimeout

int nConnectTimeout = DEFAULT_CONNECT_TIMEOUT

Definition at line 33 of file netbase.cpp.