int FSSys::Symlink( FSPath& path, FSString& str, int* err, FSCInfo* info )
{
if ( symlink( ( char* )str.Get( sys_charset_id ), ( char* )path.GetString( sys_charset_id ) ) )
{
SetError( err, errno );
return -1;
}
return 0;
}
int FSSftp::Symlink ( FSPath& path, FSString& str, int* err, FSCInfo* info )
{
MutexLock lock( &mutex );
int ret = CheckSession( err, info );
if ( ret ) { return ret; }
if ( sftp_symlink( sftpSession, ( char* )str.Get( _operParam.charset ), ( char* )path.GetString( _operParam.charset ) ) )
{
if ( err ) { *err = sftp_get_error( sftpSession ); }
return -1;
}
return 0;
}
int FSSftp::Symlink ( FSPath& path, FSString& str, int* err, FSCInfo* info )
{
MutexLock lock( &mutex );
int ret = CheckSession( err, info );
if ( ret ) { return ret; }
try
{
int ret;
WHILE_EAGAIN_( ret, libssh2_sftp_symlink( sftpSession, ( char* )str.Get( _operParam.charset ), ( char* )path.GetString( _operParam.charset, '/' ) ) );
CheckSFTP( ret );
}
catch ( int e )
{
if ( err ) { *err = e; }
return ( e == -2 ) ? -2 : -1;
}
return 0;
}
int FSSftp::CheckSession( int* err, FSCInfo* info )
{
if ( sshSession ) { return 0; }
try
{
unsigned ip;
int e;
if ( !GetHostIp( unicode_to_utf8( _operParam.server.Data() ).data(), &ip, &e ) )
{
throw int( e );
}
_sock.Create();
_sock.Connect( ntohl( ip ), _operParam.port );
sshSession = libssh2_session_init();
if ( !sshSession ) { throw int( SSH_INTERROR_X3 ); }
libssh2_session_set_blocking( sshSession, 0 );
WHILE_EAGAIN_( e, libssh2_session_handshake( sshSession, _sock.Id() ) );
if ( e ) { throw int( e - 1000 ); }
FSString userName = "";
if ( _operParam.user.Data()[0] )
{
userName = _operParam.user.Data();
}
else
{
#ifndef _WIN32
char* ret = getenv( "LOGNAME" );
if ( ret )
{
userName = FSString( sys_charset_id, ret );
_operParam.user = userName.GetUnicode();
MutexLock infoLock( &infoMutex );
_infoParam.user = userName.GetUnicode();
}
#endif
};
char* authList = 0;
char* charUserName = ( char* )userName.Get( _operParam.charset );
while ( true )
{
authList = libssh2_userauth_list( sshSession, charUserName, strlen( charUserName ) );
if ( authList ) { break; }
CheckSessionEagain();
WaitSocket( info );
}
//publickey,password,keyboard-interactive
static const char passId[] = "password";
static const char kInterId[] = "keyboard-interactive";
static unicode_t userSymbol = '@';
while ( true )
{
if ( !strncmp( authList, passId, strlen( passId ) ) )
{
FSPromptData data;
data.visible = false;
data.prompt = utf8_to_unicode( "Password:"******"SFTP_" ).data(),
carray_cat<unicode_t>( userName.GetUnicode(), &userSymbol, _operParam.server.Data() ).data(),
&data, 1 ) ) { throw int( SSH_INTERROR_STOPPED ); }
int ret;
WHILE_EAGAIN_( ret, libssh2_userauth_password( sshSession,
( char* )FSString( _operParam.user.Data() ).Get( _operParam.charset ),
( char* )FSString( data.prompt.Data() ).Get( _operParam.charset ) ) );
if ( ret ) { throw int( ret - 1000 ); }
break; //!!!
}
else if ( !strncmp( authList, kInterId, strlen( kInterId ) ) )
{
MutexLock lock( &kbdIntMutex );
kbdIntInfo = info;
kbdIntParam = &_operParam;
int ret;
WHILE_EAGAIN_( ret,
libssh2_userauth_keyboard_interactive( sshSession,
( char* )FSString( _operParam.user.Data() ).Get( _operParam.charset ),
KbIntCallback )
);
if ( ret ) { throw int( ret - 1000 ); }
break; //!!!
}
char* s = authList;
while ( *s && *s != ',' ) { s++; }
if ( !*s ) { break; }
authList = s + 1;
};
while ( true )
{
sftpSession = libssh2_sftp_init( sshSession );
if ( sftpSession ) { break; }
if ( !sftpSession )
{
int e = libssh2_session_last_errno( sshSession );
if ( e != LIBSSH2_ERROR_EAGAIN ) { throw int( e - 1000 ); }
}
WaitSocket( info );
}
return 0;
}
catch ( int e )
{
if ( err ) { *err = e; }
//if (sftpSession) ??? похоже закрытие сессии все решает
if ( sshSession ) { libssh2_session_free( sshSession ); }
sshSession = 0;
sftpSession = 0;
_sock.Close( false );
return ( e == -2 ) ? -2 : -1;
}
}
int FSSftp::CheckSession( int* err, FSCInfo* info )
{
if ( sshSession ) { return 0; }
try
{
sshSession = ssh_new();
if ( !sshSession ) { throw int( SSH_INTERROR_X3 ); }
if ( ssh_options_set( sshSession, SSH_OPTIONS_HOST, unicode_to_utf8( _operParam.server.Data() ).ptr() ) )
{
throw int( SSH_INTERROR_X3 );
}
int port = _operParam.port;
if ( ssh_options_set( sshSession, SSH_OPTIONS_PORT, &port ) )
{
throw int( SSH_INTERROR_X3 );
}
FSString userName = "";
if ( _operParam.user.Data()[0] )
{
userName = _operParam.user.Data();
}
else
{
char* ret = getenv( "LOGNAME" );
if ( ret )
{
userName = FSString( sys_charset_id, ret );
_operParam.user = userName.GetUnicode();
MutexLock infoLock( &infoMutex );
_infoParam.user = userName.GetUnicode();
}
};
if ( ssh_options_set( sshSession, SSH_OPTIONS_USER, ( char* )userName.Get( _operParam.charset ) ) ) //есть сомнения, что надо все таки в utf8
{
throw int( SSH_INTERROR_X3 );
}
if ( ssh_connect( sshSession ) != SSH_OK )
{
throw int( SSH_INTERROR_CONNECT );
}
int method = ssh_userauth_list( sshSession, 0 );
int ret;
static unicode_t userSymbol = '@';
if ( method & SSH_AUTH_METHOD_PASSWORD )
{
FSPromptData data;
data.visible = false;
data.prompt = utf8_to_unicode( "Password:"******"SFTP_" ).ptr(),
carray_cat<unicode_t>( userName.GetUnicode(), &userSymbol, _operParam.server.Data() ).ptr(),
&data, 1 ) ) { throw int( SSH_INTERROR_STOPPED ); }
ret = ssh_userauth_password( sshSession,
( char* )FSString( _operParam.user.Data() ).Get( _operParam.charset ),
( char* )FSString( data.prompt.Data() ).Get( _operParam.charset ) );
}
if ( ret != SSH_AUTH_SUCCESS &&
( method & SSH_AUTH_METHOD_INTERACTIVE ) != 0 )
{
while ( true )
{
ret = ssh_userauth_kbdint( sshSession, 0, 0 );
if ( ret != SSH_AUTH_INFO ) { break; }
const char* instruction = ssh_userauth_kbdint_getinstruction( sshSession );
if ( !instruction ) { instruction = ""; }
int n = ssh_userauth_kbdint_getnprompts( sshSession );
if ( n <= 0 ) { continue; }
std::vector<FSPromptData> pData( n );
int i;
for ( i = 0; i < n; i++ )
{
char echo;
const char* prompt = ssh_userauth_kbdint_getprompt( sshSession, i, &echo );
if ( !prompt ) { break; }
pData[i].visible = echo != 0;
pData[i].prompt = utf8_to_unicode( prompt ).ptr();
}
if ( !info ) { throw int( SSH_INTERROR_AUTH ); }
if ( !info->Prompt(
utf8_to_unicode( "SFTP" ).ptr(),
carray_cat<unicode_t>( userName.GetUnicode(), &userSymbol, _operParam.server.Data() ).ptr(),
pData.ptr(), n ) ) { throw int( SSH_INTERROR_STOPPED ); }
for ( i = 0; i < n; i++ )
{
if ( ssh_userauth_kbdint_setanswer( sshSession, i, ( char* )FSString( pData[i].prompt.Data() ).Get( _operParam.charset ) ) < 0 )
{
throw int( SSH_INTERROR_AUTH );
}
}
}
}
if ( ret != SSH_AUTH_SUCCESS )
{
if ( ret == SSH_AUTH_PARTIAL )
{
throw int( SSH_INTERROR_UNSUPPORTED_AUTH );
}
else
{
throw int( SSH_INTERROR_AUTH );
}
}
sftpSession = sftp_new( sshSession );
if ( !sftpSession ) { throw int( SSH_INTERROR_FATAL ); }
if ( sftp_init( sftpSession ) != SSH_OK ) { throw int( SSH_INTERROR_FATAL ); }
}
catch ( int e )
{
if ( err ) { *err = e; }
if ( sftpSession ) { sftp_free( sftpSession ); }
if ( sshSession ) { ssh_free( sshSession ); }
sshSession = 0;
sftpSession = 0;
return ( e == SSH_INTERROR_STOPPED ) ? -2 : -1;
}
return 0;
}
