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Csocket.cpp
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Csocket.cpp
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/**
*
* Copyright (c) 1999-2005 Jim Hull <imaginos@imaginos.net>
* All rights reserved
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
* Redistributions in any form must be accompanied by information on how to obtain
* complete source code for the DB software and any accompanying software that uses the DB software.
* The source code must either be included in the distribution or be available for no more than
* the cost of distribution plus a nominal fee, and must be freely redistributable
* under reasonable conditions. For an executable file, complete source code means the source
* code for all modules it contains. It does not include source code for modules or files
* that typically accompany the major components of the operating system on which the executable file runs.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
* OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL SLEEPYCAT SOFTWARE BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* $Revision$
*/
#include "Csocket.h"
using namespace std;
#ifndef _NO_CSOCKET_NS // some people may not want to use a namespace
namespace Csocket
{
#endif /* _NO_CSOCKET_NS */
#ifdef ___DO_THREADS
CSMutex::CSMutex()
{
pthread_mutexattr_init( &m_mattrib );
if ( pthread_mutexattr_settype( &m_mattrib, PTHREAD_MUTEX_FAST_NP ) != 0 )
throw CS_STRING( "ERROR: pthread_mutexattr_settype failed!" );
if ( pthread_mutex_init( &m_mutex, &m_mattrib ) != 0 )
throw CS_STRING( "ERROR: pthread_mutex_init failed!" );
}
CSMutex::~CSMutex()
{
pthread_mutexattr_destroy( &m_mattrib );
pthread_mutex_destroy( &m_mutex );
}
bool CSThread::start()
{
// mark the job as running
lock();
m_eStatus = RUNNING;
unlock();
pthread_attr_t attr;
if ( pthread_attr_init( &attr ) != 0 )
{
WARN( "pthread_attr_init failed" );
lock();
m_eStatus = FINISHED;
unlock();
return( false );
}
if ( pthread_attr_setdetachstate( &attr, PTHREAD_CREATE_DETACHED ) != 0 )
{
WARN( "pthread_attr_setdetachstate failed" );
lock();
m_eStatus = FINISHED;
unlock();
return( false );
}
int iRet = pthread_create( &m_ppth, &attr, start_thread, this );
if ( iRet != 0 )
{
WARN( "pthread_create failed " );
lock();
m_eStatus = FINISHED;
unlock();
return( false );
}
return( true );
}
void CSThread::wait()
{
while( true )
{
lock();
EStatus e = Status();
unlock();
if ( e == FINISHED )
break;
usleep( 100 );
}
}
void *CSThread::start_thread( void *args )
{
CSThread *curThread = (CSThread *)args;
curThread->run();
curThread->lock();
curThread->SetStatus( CSThread::FINISHED );
curThread->unlock();
pthread_exit( NULL );
}
void CDNSResolver::Lookup( const CS_STRING & sHostname )
{
m_bSuccess = false;
m_sHostname = sHostname;
memset( (struct in_addr *)&m_inAddr, '\0', sizeof( m_inAddr ) );
start();
}
void CDNSResolver::run()
{
if ( GetHostByName( m_sHostname, &m_inAddr ) != 0 )
m_bSuccess = false;
else
{
m_bSuccess = true;
}
}
bool CDNSResolver::IsCompleted()
{
lock();
EStatus e = Status();
unlock();
if ( e == FINISHED )
return( true );
return( false );
}
CS_STRING CDNSResolver::CreateIP( const struct in_addr *pAddr )
{
struct in_addr inAddr;
memcpy( (struct in_addr *)&inAddr, pAddr, sizeof( inAddr ) );
return( inet_ntoa( inAddr ) );
}
#endif /* ___DO_THREADS */
#ifdef HAVE_LIBSSL
bool InitSSL( ECompType eCompressionType )
{
SSL_load_error_strings();
if ( SSL_library_init() != 1 )
{
CS_DEBUG( "SSL_library_init() failed!" );
return( false );
}
#ifndef _WIN32
if ( access( "/dev/urandom", R_OK ) == 0 )
RAND_load_file( "/dev/urandom", 1024 );
else if( access( "/dev/random", R_OK ) == 0 )
RAND_load_file( "/dev/random", 1024 );
else
{
CS_DEBUG( "Unable to locate entropy location! Tried /dev/urandom and /dev/random" );
return( false );
}
#endif /* _WIN32 */
COMP_METHOD *cm = NULL;
if ( CT_ZLIB & eCompressionType )
{
cm = COMP_zlib();
if ( cm )
SSL_COMP_add_compression_method( CT_ZLIB, cm );
}
if ( CT_RLE & eCompressionType )
{
cm = COMP_rle();
if ( cm )
SSL_COMP_add_compression_method( CT_RLE, cm );
}
return( true );
}
void SSLErrors( const char *filename, u_int iLineNum )
{
unsigned long iSSLError = 0;
while( ( iSSLError = ERR_get_error() ) != 0 )
{
CS_DEBUG( "at " << filename << ":" << iLineNum );
char szError[512];
memset( (char *) szError, '\0', 512 );
ERR_error_string_n( iSSLError, szError, 511 );
if ( strlen( szError ) > 0 )
CS_DEBUG( szError );
}
}
#endif /* HAVE_LIBSSL */
void __Perror( const CS_STRING & s )
{
#if defined(__sun) || defined(_WIN32)
CS_DEBUG( s << ": " << strerror( GetSockError() ) );
#else
char buff[512];
memset( (char *)buff, '\0', 512 );
if ( strerror_r( GetSockError(), buff, 511 ) == 0 )
CS_DEBUG( s << ": " << buff );
else
CS_DEBUG( s << ": Unknown Error Occured" );
#endif /* __sun */
}
unsigned long long millitime()
{
unsigned long long iTime = 0;
#ifdef _WIN32
struct timeb tm;
ftime( &tm );
iTime = tm.time * 1000;
iTime += tm.millitm;
#else
struct timeval tv;
gettimeofday( &tv, NULL );
iTime = (unsigned long long )tv.tv_sec * 1000;
iTime += ( (unsigned long long)tv.tv_usec / 1000 );
#endif /* _WIN32 */
return( iTime );
}
int GetHostByName( const CS_STRING & sHostName, struct in_addr *paddr, u_int iNumRetries )
{
int iReturn = HOST_NOT_FOUND;
struct hostent *hent = NULL;
#ifdef __linux__
char hbuff[2048];
struct hostent hentbuff;
int err;
for( u_int a = 0; a < iNumRetries; a++ )
{
memset( (char *)hbuff, '\0', 2048 );
iReturn = gethostbyname_r( sHostName.c_str(), &hentbuff, hbuff, 2048, &hent, &err );
if ( iReturn == 0 )
break;
if ( iReturn != TRY_AGAIN )
break;
PERROR( "gethostbyname_r" );
}
if ( ( !hent ) && ( iReturn == 0 ) )
iReturn = HOST_NOT_FOUND;
#else
hent = gethostbyname( sHostName.c_str() );
PERROR( "gethostbyname" );
if ( hent )
iReturn = 0;
#endif /* __linux__ */
if ( iReturn == 0 )
memcpy( &paddr->s_addr, hent->h_addr_list[0], sizeof( paddr->s_addr ) );
return( iReturn );
}
#ifndef _NO_CSOCKET_NS // some people may not want to use a namespace
}
using namespace Csocket;
#endif /* _NO_CSOCKET_NS */
CCron::CCron()
{
m_iCycles = 0;
m_iMaxCycles = 0;
m_bActive = true;
m_iTime = 0;
m_iTimeSequence = 60;
m_bPause = false;
}
//! This is used by the Job Manager, and not you directly
void CCron::run()
{
if ( m_bPause )
return;
if ( ( m_bActive ) && ( time( NULL ) >= m_iTime ) )
{
RunJob();
if ( ( m_iMaxCycles > 0 ) && ( ++m_iCycles >= m_iMaxCycles ) )
m_bActive = false;
else
m_iTime = time( NULL ) + m_iTimeSequence;
}
}
/**
* @TimeSequence how often to run in seconds
* @iMaxCycles how many times to run, 0 makes it run forever
*/
void CCron::StartMaxCycles( int TimeSequence, u_int iMaxCycles )
{
m_iTimeSequence = TimeSequence;
m_iTime = time( NULL ) + m_iTimeSequence;
m_iMaxCycles = iMaxCycles;
}
//! starts and runs infinity amount of times
void CCron::Start( int TimeSequence )
{
m_iTimeSequence = TimeSequence;
m_iTime = time( NULL ) + m_iTimeSequence;
m_iMaxCycles = 0;
}
//! call this to turn off your cron, it will be removed
void CCron::Stop()
{
m_bActive = false;
}
//! pauses excution of your code in RunJob
void CCron::Pause()
{
m_bPause = true;
}
//! removes the pause on RunJon
void CCron::UnPause()
{
m_bPause = false;
}
int CCron::GetInterval() const { return( m_iTimeSequence ); }
u_int CCron::GetMaxCycles() const { return( m_iMaxCycles ); }
u_int CCron::GetCyclesLeft() const { return( ( m_iMaxCycles > m_iCycles ? ( m_iMaxCycles - m_iCycles ) : 0 ) ); }
//! returns true if cron is active
bool CCron::isValid() { return( m_bActive ); }
const CS_STRING & CCron::GetName() const { return( m_sName ); }
void CCron::SetName( const CS_STRING & sName ) { m_sName = sName; }
void CCron::RunJob() { CS_DEBUG( "This should be overriden" ); }
Csock::Csock( int itimeout )
{
Init( "", 0, itimeout );
}
Csock::Csock( const CS_STRING & sHostname, u_short iport, int itimeout )
{
Init( sHostname, iport, itimeout );
}
// override this for accept sockets
Csock *Csock::GetSockObj( const CS_STRING & sHostname, u_short iPort )
{
return( NULL );
}
#ifdef _WIN32
#define CS_CLOSE closesocket
#else
#define CS_CLOSE close
#endif /* _WIN32 */
Csock::~Csock()
{
#ifdef ___DO_THREADS
m_cResolver.lock();
CDNSResolver::EStatus eStatus = m_cResolver.Status();
m_cResolver.unlock();
if ( eStatus == CDNSResolver::RUNNING )
m_cResolver.cancel();
#endif /* __DO_THREADS_ */
if ( m_iReadSock != m_iWriteSock )
{
CS_CLOSE( m_iReadSock );
CS_CLOSE( m_iWriteSock );
} else
CS_CLOSE( m_iReadSock );
m_iReadSock = -1;
m_iWriteSock = -1;
#ifdef HAVE_LIBSSL
FREE_SSL();
FREE_CTX();
#endif /* HAVE_LIBSSL */
// delete any left over crons
for( vector<CCron *>::size_type i = 0; i < m_vcCrons.size(); i++ )
CS_Delete( m_vcCrons[i] );
}
Csock & Csock::operator<<( const CS_STRING & s )
{
Write( s );
return( *this );
}
Csock & Csock::operator<<( ostream & ( *io )( ostream & ) )
{
Write( "\r\n" );
return( *this );
}
Csock & Csock::operator<<( int i )
{
stringstream s;
s << i;
Write( s.str() );
return( *this );
}
Csock & Csock::operator<<( unsigned int i )
{
stringstream s;
s << i;
Write( s.str() );
return( *this );
}
Csock & Csock::operator<<( long i )
{
stringstream s;
s << i;
Write( s.str() );
return( *this );
}
Csock & Csock::operator<<( unsigned long i )
{
stringstream s;
s << i;
Write( s.str() );
return( *this );
}
Csock & Csock::operator<<( unsigned long long i )
{
stringstream s;
s << i;
Write( s.str() );
return( *this );
}
Csock & Csock::operator<<( float i )
{
stringstream s;
s << i;
Write( s.str() );
return( *this );
}
Csock & Csock::operator<<( double i )
{
stringstream s;
s << i;
Write( s.str() );
return( *this );
}
bool Csock::Connect( const CS_STRING & sBindHost, bool bSkipSetup )
{
// bind to a hostname if requested
m_sBindHost = sBindHost;
if ( !bSkipSetup )
{
if ( !CreateSocksFD() )
return( false );
int iDNSRet = ETIMEDOUT;
while( true )
{
iDNSRet = DNSLookup( DNS_VHOST );
if ( iDNSRet == EAGAIN )
continue;
break;
}
if ( iDNSRet != 0 )
return( false );
if ( !sBindHost.empty() )
{
// try to bind 3 times, otherwise exit failure
bool bBound = false;
for( int a = 0; a < 3 && !bBound; a++ )
{
if ( SetupVHost() )
bBound = true;
#ifdef _WIN32
Sleep( 5000 );
#else
usleep( 5000 ); // quick pause, common lets BIND!)(!*!
#endif /* _WIN32 */
}
if ( !bBound )
{
CS_DEBUG( "Failure to bind to " << sBindHost );
return( false );
}
}
}
// set it none blocking
#ifdef _WIN32
u_long iOpts = 1;
ioctlsocket( m_iReadSock, FIONBIO, &iOpts );
#else
int fdflags = fcntl (m_iReadSock, F_GETFL, 0);
fcntl( m_iReadSock, F_SETFL, fdflags|O_NONBLOCK );
#endif /* _WIN32 */
m_iConnType = OUTBOUND;
// connect
int ret = connect( m_iReadSock, (struct sockaddr *)&m_address, sizeof( m_address ) );
#ifndef _WIN32
if ( ( ret == -1 ) && ( GetSockError() != EINPROGRESS ) )
#else
if ( ( ret == -1 ) && ( GetSockError() != EINPROGRESS ) && ( GetSockError() != WSAEWOULDBLOCK ) )
#endif /* _WIN32 */
{
CS_DEBUG( "Connect Failed. ERRNO [" << GetSockError() << "] FD [" << m_iReadSock << "]" );
return( false );
}
if ( m_bBLOCK )
{
#ifdef _WIN32
u_long iOpts = 0;
ioctlsocket( m_iReadSock, FIONBIO, &iOpts );
#else
// unset the flags afterwords, rather than have connect block
int fdflags = fcntl (m_iReadSock, F_GETFL, 0);
fdflags &= ~O_NONBLOCK;
fcntl( m_iReadSock, F_SETFL, fdflags );
#endif /* _WIN32 */
}
if ( m_eConState != CST_OK )
m_eConState = CST_OK;
return( true );
}
int Csock::WriteSelect()
{
if ( m_iWriteSock < 0 )
return( SEL_ERR );
struct timeval tv;
fd_set wfds;
TFD_ZERO( &wfds );
TFD_SET( m_iWriteSock, &wfds );
tv.tv_sec = m_itimeout;
tv.tv_usec = 0;
int ret = select( FD_SETSIZE, NULL, &wfds, NULL, &tv );
if ( ret == 0 )
return( SEL_TIMEOUT );
if ( ret == -1 )
{
if ( GetSockError() == EINTR )
return( SEL_EAGAIN );
else
return( SEL_ERR );
}
return( SEL_OK );
}
int Csock::ReadSelect()
{
if ( m_iReadSock < 0 )
return( SEL_ERR );
struct timeval tv;
fd_set rfds;
TFD_ZERO( &rfds );
TFD_SET( m_iReadSock, &rfds );
tv.tv_sec = m_itimeout;
tv.tv_usec = 0;
int ret = select( FD_SETSIZE, &rfds, NULL, NULL, &tv );
if ( ret == 0 )
return( SEL_TIMEOUT );
if ( ret == -1 )
{
if ( GetSockError() == EINTR )
return( SEL_EAGAIN );
else
return( SEL_ERR );
}
return( SEL_OK );
}
bool Csock::Listen( u_short iPort, int iMaxConns, const CS_STRING & sBindHost, u_int iTimeout )
{
m_iReadSock = m_iWriteSock = SOCKET( true );
m_iConnType = LISTENER;
m_itimeout = iTimeout;
if ( m_iReadSock == -1 )
return( false );
m_sBindHost = sBindHost;
m_address.sin_family = PF_INET;
if ( sBindHost.empty() )
m_address.sin_addr.s_addr = htonl( INADDR_ANY );
else
{
if ( GetHostByName( sBindHost, &(m_address.sin_addr) ) != 0 )
return( false );
}
m_address.sin_port = htons( iPort );
memset( &(m_address.sin_zero), '\0', sizeof( m_address.sin_zero ) );
if ( bind( m_iReadSock, (struct sockaddr *) &m_address, sizeof( m_address ) ) == -1 )
return( false );
if ( listen( m_iReadSock, iMaxConns ) == -1 )
return( false );
if ( !m_bBLOCK )
{
// set it none blocking
#ifdef _WIN32
u_long iOpts = 1;
ioctlsocket( m_iReadSock, FIONBIO, &iOpts );
#else
int fdflags = fcntl ( m_iReadSock, F_GETFL, 0);
fcntl( m_iReadSock, F_SETFL, fdflags|O_NONBLOCK );
#endif /* _WIN32 */
}
return( true );
}
int Csock::Accept( CS_STRING & sHost, u_short & iRPort )
{
struct sockaddr_in client;
socklen_t clen = sizeof(struct sockaddr);
int iSock = accept( m_iReadSock , (struct sockaddr *) &client, &clen );
if ( iSock != -1 )
{
if ( !m_bBLOCK )
{
// make it none blocking
#ifdef _WIN32
u_long iOpts = 1;
ioctlsocket( m_iReadSock, FIONBIO, &iOpts );
#else
int fdflags = fcntl (iSock, F_GETFL, 0);
fcntl( iSock, F_SETFL, fdflags|O_NONBLOCK );
#endif /* _WIN32 */
}
getpeername( iSock, (struct sockaddr *) &client, &clen );
sHost = inet_ntoa( client.sin_addr );
iRPort = ntohs( client.sin_port );
if ( !ConnectionFrom( sHost, iRPort ) )
{
close( iSock );
iSock = -1;
}
}
return( iSock );
}
bool Csock::AcceptSSL()
{
#ifdef HAVE_LIBSSL
if ( !m_ssl )
if ( !SSLServerSetup() )
return( false );
int err = SSL_accept( m_ssl );
if ( err == 1 )
{
m_bFullsslAccept = true;
return( true );
}
m_bFullsslAccept = false;
int sslErr = SSL_get_error( m_ssl, err );
if ( ( sslErr == SSL_ERROR_WANT_READ ) || ( sslErr == SSL_ERROR_WANT_WRITE ) )
return( true );
SSLErrors( __FILE__, __LINE__ );
#endif /* HAVE_LIBSSL */
return( false );
}
//! This sets up the SSL Client, this is used internally
bool Csock::SSLClientSetup()
{
#ifdef HAVE_LIBSSL
m_bssl = true;
FREE_SSL();
FREE_CTX();
switch( m_iMethod )
{
case SSL2:
m_ssl_method = SSLv2_client_method();
if ( !m_ssl_method )
{
CS_DEBUG( "WARNING: MakeConnection .... SSLv2_client_method failed!" );
return( false );
}
break;
case SSL3:
m_ssl_method = SSLv3_client_method();
if ( !m_ssl_method )
{
CS_DEBUG( "WARNING: MakeConnection .... SSLv3_client_method failed!" );
return( false );
}
break;
case SSL23:
default:
m_ssl_method = SSLv23_client_method();
if ( !m_ssl_method )
{
CS_DEBUG( "WARNING: MakeConnection .... SSLv23_client_method failed!" );
return( false );
}
break;
}
// wrap some warnings in here
m_ssl_ctx = SSL_CTX_new ( m_ssl_method );
if ( !m_ssl_ctx )
return( false );
if ( !m_sPemFile.empty() )
{ // are we sending a client cerificate ?
SSL_CTX_set_default_passwd_cb( m_ssl_ctx, PemPassCB );
SSL_CTX_set_default_passwd_cb_userdata( m_ssl_ctx, (void *)this );
//
// set up the CTX
if ( SSL_CTX_use_certificate_file( m_ssl_ctx, m_sPemFile.c_str() , SSL_FILETYPE_PEM ) <= 0 )
{
CS_DEBUG( "Error with PEM file [" << m_sPemFile << "]" );
SSLErrors( __FILE__, __LINE__ );
}
if ( SSL_CTX_use_PrivateKey_file( m_ssl_ctx, m_sPemFile.c_str(), SSL_FILETYPE_PEM ) <= 0 )
{
CS_DEBUG( "Error with PEM file [" << m_sPemFile << "]" );
SSLErrors( __FILE__, __LINE__ );
}
}
m_ssl = SSL_new ( m_ssl_ctx );
if ( !m_ssl )
return( false );
SSL_set_rfd( m_ssl, m_iReadSock );
SSL_set_wfd( m_ssl, m_iWriteSock );
SSL_set_verify( m_ssl, SSL_VERIFY_PEER, CertVerifyCB );
return( true );
#else
return( false );
#endif /* HAVE_LIBSSL */
}
bool Csock::SSLServerSetup()
{
#ifdef HAVE_LIBSSL
m_bssl = true;
FREE_SSL();
FREE_CTX();
switch( m_iMethod )
{
case SSL2:
m_ssl_method = SSLv2_server_method();
if ( !m_ssl_method )
{
CS_DEBUG( "WARNING: MakeConnection .... SSLv2_server_method failed!" );
return( false );
}
break;
case SSL3:
m_ssl_method = SSLv3_server_method();
if ( !m_ssl_method )
{
CS_DEBUG( "WARNING: MakeConnection .... SSLv3_server_method failed!" );
return( false );
}
break;
case SSL23:
default:
m_ssl_method = SSLv23_server_method();
if ( !m_ssl_method )
{
CS_DEBUG( "WARNING: MakeConnection .... SSLv23_server_method failed!" );
return( false );
}
break;
}
// wrap some warnings in here
m_ssl_ctx = SSL_CTX_new ( m_ssl_method );
if ( !m_ssl_ctx )
return( false );
// set the pemfile password
SSL_CTX_set_default_passwd_cb( m_ssl_ctx, PemPassCB );
SSL_CTX_set_default_passwd_cb_userdata( m_ssl_ctx, (void *)this );
if ( ( m_sPemFile.empty() ) || ( access( m_sPemFile.c_str(), R_OK ) != 0 ) )
{
CS_DEBUG( "There is a problem with [" << m_sPemFile << "]" );
return( false );
}
//
// set up the CTX
if ( SSL_CTX_use_certificate_file( m_ssl_ctx, m_sPemFile.c_str() , SSL_FILETYPE_PEM ) <= 0 )
{
CS_DEBUG( "Error with PEM file [" << m_sPemFile << "]" );
SSLErrors( __FILE__, __LINE__ );
return( false );
}
if ( SSL_CTX_use_PrivateKey_file( m_ssl_ctx, m_sPemFile.c_str(), SSL_FILETYPE_PEM ) <= 0 )
{
CS_DEBUG( "Error with PEM file [" << m_sPemFile << "]" );
SSLErrors( __FILE__, __LINE__ );
return( false );
}
if ( SSL_CTX_set_cipher_list( m_ssl_ctx, m_sCipherType.c_str() ) <= 0 )
{
CS_DEBUG( "Could not assign cipher [" << m_sCipherType << "]" );
return( false );
}
//
// setup the SSL
m_ssl = SSL_new ( m_ssl_ctx );
if ( !m_ssl )
return( false );
// Call for client Verification
SSL_set_rfd( m_ssl, m_iReadSock );
SSL_set_wfd( m_ssl, m_iWriteSock );
SSL_set_accept_state( m_ssl );
if ( m_bRequireClientCert )
SSL_set_verify( m_ssl, SSL_VERIFY_FAIL_IF_NO_PEER_CERT|SSL_VERIFY_PEER, CertVerifyCB );
return( true );
#else
return( false );
#endif /* HAVE_LIBSSL */
}
bool Csock::ConnectSSL( const CS_STRING & sBindhost )
{
#ifdef HAVE_LIBSSL
if ( m_iReadSock == -1 )
if ( !Connect( sBindhost ) )
return( false );
if ( !m_ssl )
if ( !SSLClientSetup() )
return( false );
bool bPass = true;
if ( m_bBLOCK )
{
#ifdef _WIN32
u_long iOpts = 1;
ioctlsocket( m_iReadSock, FIONBIO, &iOpts );
#else
int fdflags = fcntl ( m_iReadSock, F_GETFL, 0);
fcntl( m_iReadSock, F_SETFL, fdflags|O_NONBLOCK );
#endif /* _WIN32 */
}
int iErr = SSL_connect( m_ssl );
if ( iErr != 1 )
{
int sslErr = SSL_get_error( m_ssl, iErr );
if ( ( sslErr != SSL_ERROR_WANT_READ ) && ( sslErr != SSL_ERROR_WANT_WRITE ) )
bPass = false;
} else
bPass = true;
if ( m_bBLOCK )
{
// unset the flags afterwords, rather then have connect block
#ifdef _WIN32
u_long iOpts = 0;
ioctlsocket( m_iReadSock, FIONBIO, &iOpts );
#else
int fdflags = fcntl (m_iReadSock, F_GETFL, 0);
fdflags &= ~O_NONBLOCK;
fcntl( m_iReadSock, F_SETFL, fdflags );
#endif /* _WIN32 */
}
return( bPass );
#else
return( false );
#endif /* HAVE_LIBSSL */
}
bool Csock::Write( const char *data, int len )
{
m_sSend.append( data, len );
if ( m_sSend.empty() )
return( true );
if ( m_eConState != CST_OK )
return( true );
if ( m_bBLOCK )
{
if ( WriteSelect() != SEL_OK )
return( false );
}
// rate shaping
u_int iBytesToSend = 0;
if ( ( m_iMaxBytes > 0 ) && ( m_iMaxMilliSeconds > 0 ) )
{
unsigned long long iNOW = millitime();
// figure out the shaping here
// if NOW - m_iLastSendTime > m_iMaxMilliSeconds then send a full length of ( iBytesToSend )
if ( ( iNOW - m_iLastSendTime ) > m_iMaxMilliSeconds )
{
m_iLastSendTime = iNOW;
iBytesToSend = m_iMaxBytes;
m_iLastSend = 0;
} else // otherwise send m_iMaxBytes - m_iLastSend
iBytesToSend = m_iMaxBytes - m_iLastSend;
// take which ever is lesser
if ( m_sSend.length() < iBytesToSend )
iBytesToSend = m_sSend.length();
// add up the bytes sent
m_iLastSend += iBytesToSend;
// so, are we ready to send anything ?