boolean FtpServer::processCommand()
{
///////////////////////////////////////
// //
// ACCESS CONTROL COMMANDS //
// //
///////////////////////////////////////
//
// CDUP - Change to Parent Directory
//
if( ! strcmp( command, "CDUP" ))
{
client.println("250 Ok. Current directory is " + String(cwdName));
}
//
// CWD - Change Working Directory
//
else if( ! strcmp( command, "CWD" ))
{
char path[ FTP_CWD_SIZE ];
if( strcmp( parameters, "." ) == 0 ) // 'CWD .' is the same as PWD command
client.println( "257 \"" + String(cwdName) + "\" is your current directory");
else
{
client.println( "250 Ok. Current directory is " + String(cwdName) );
}
}
//
// PWD - Print Directory
//
else if( ! strcmp( command, "PWD" ))
client.println( "257 \"" + String(cwdName) + "\" is your current directory");
//
// QUIT
//
else if( ! strcmp( command, "QUIT" ))
{
disconnectClient();
return false;
}
///////////////////////////////////////
// //
// TRANSFER PARAMETER COMMANDS //
// //
///////////////////////////////////////
//
// MODE - Transfer Mode
//
else if( ! strcmp( command, "MODE" ))
{
if( ! strcmp( parameters, "S" ))
client.println( "200 S Ok");
// else if( ! strcmp( parameters, "B" ))
// client.println( "200 B Ok\r\n";
else
client.println( "504 Only S(tream) is suported");
}
//
// PASV - Passive Connection management
//
else if( ! strcmp( command, "PASV" ))
{
if (data.connected()) data.stop();
//dataServer.begin();
//dataIp = Ethernet.localIP();
dataIp = WiFi.localIP();
dataPort = FTP_DATA_PORT_PASV;
//data.connect( dataIp, dataPort );
//data = dataServer.available();
#ifdef FTP_DEBUG
Serial.println("Connection management set to passive");
Serial.println( "Data port set to " + String(dataPort));
#endif
client.println( "227 Entering Passive Mode ("+ String(dataIp[0]) + "," + String(dataIp[1])+","+ String(dataIp[2])+","+ String(dataIp[3])+","+String( dataPort >> 8 ) +","+String ( dataPort & 255 )+").");
dataPassiveConn = true;
}
//
// PORT - Data Port
//
else if( ! strcmp( command, "PORT" ))
{
if (data) data.stop();
// get IP of data client
dataIp[ 0 ] = atoi( parameters );
char * p = strchr( parameters, ',' );
for( uint8_t i = 1; i < 4; i ++ )
{
dataIp[ i ] = atoi( ++ p );
p = strchr( p, ',' );
}
// get port of data client
dataPort = 256 * atoi( ++ p );
p = strchr( p, ',' );
dataPort += atoi( ++ p );
if( p == NULL )
client.println( "501 Can't interpret parameters");
else
{
client.println("200 PORT command successful");
dataPassiveConn = false;
}
}
//
// STRU - File Structure
//
else if( ! strcmp( command, "STRU" ))
{
if( ! strcmp( parameters, "F" ))
client.println( "200 F Ok");
// else if( ! strcmp( parameters, "R" ))
// client.println( "200 B Ok\r\n";
else
client.println( "504 Only F(ile) is suported");
}
//
// TYPE - Data Type
//
else if( ! strcmp( command, "TYPE" ))
{
if( ! strcmp( parameters, "A" ))
client.println( "200 TYPE is now ASII");
else if( ! strcmp( parameters, "I" ))
client.println( "200 TYPE is now 8-bit binary");
else
client.println( "504 Unknow TYPE");
}
///////////////////////////////////////
// //
// FTP SERVICE COMMANDS //
// //
///////////////////////////////////////
//
// ABOR - Abort
//
else if( ! strcmp( command, "ABOR" ))
{
abortTransfer();
client.println( "226 Data connection closed");
}
//
// DELE - Delete a File
//
else if( ! strcmp( command, "DELE" ))
{
char path[ FTP_CWD_SIZE ];
if( strlen( parameters ) == 0 )
client.println( "501 No file name");
else if( makePath( path ))
{
//try.. if( ! SPIFFS.exists( path ))
if( ! SD.exists( path ))
client.println( "550 File " + String(parameters) + " not found");
else
{
//try.. if( SPIFFS.remove( path ))
if( SD.remove( path ))
client.println( "250 Deleted " + String(parameters) );
else
client.println( "450 Can't delete " + String(parameters));
}
}
}
//
// LIST - List
//
else if( ! strcmp( command, "LIST" ))
{
if( ! dataConnect())
client.println( "425 No data connection");
else
{
client.println( "150 Accepted data connection");
uint16_t nm = 0;
//try.. Dir dir=SPIFFS.openDir(cwdName);
//try2.. Dir dir=SD.openDir(cwdName);
//dir_t dir=SD.openDir(cwdName);
sd::File dir=SD.open(cwdName);
sd::File entry;
//try.. if( !SPIFFS.exists(cwdName))
// try.. if( !SD.exists(cwdName))
if(!dir.isDirectory())
client.println( "550 Can't open directory " + String(cwdName) );
else
{
// try.. while( dir.next())
while(1)
{
entry = dir.openNextFile();
if (!entry)
break;
String fn,fs;
//try.. fn = dir.fileName();
fn = entry.name();
//fn.remove(0, 1);
//try.. fs = String(dir.fileSize());
fs = String(entry.size());
data.println( "Type=file;Size=" + fs + ";"+"modify=20000101160656;" +" " + fn);
nm ++;
}
client.println( "226 " + String(nm) + " matches total");
}
data.stop();
}
}
//
// MLSD - Listing for Machine Processing (see RFC 3659)
//
else if( ! strcmp( command, "MLSD" ))
{
if( ! dataConnect())
client.println( "425 No data connection MLSD");
else
{
client.println( "150 Accepted data connection");
uint16_t nm = 0;
//try.. Dir dir= SPIFFS.openDir(cwdName);
//try.. Dir dir= SD.openDir(cwdName);
sd::File dir=SD.open(cwdName);
sd::File entry;
char dtStr[ 15 ];
// if(!SPIFFS.exists(cwdName))
// client.println( "550 Can't open directory " +String(parameters)+ );
// else
{
//try.. while( dir.next())
while(1)
{
entry = dir.openNextFile();
if (!entry)
break;
String fn,fs;
//try.. fn = dir.fileName();
fn = entry.name();
//fn.remove(0, 1);
//try.. fs = String(dir.fileSize());
fs = String(entry.size());
data.println( "Type=file;Size=" + fs + ";"+"modify=20000101160656;" +" " + fn);
//Serial.print("+r,s" + fs);
//Serial.println( ",\t" + fn );
nm ++;
}
client.println( "226-options: -a -l");
client.println( "226 " + String(nm) + " matches total");
}
data.stop();
}
}
//
// NLST - Name List
//
else if( ! strcmp( command, "NLST" ))
{
if( ! dataConnect())
client.println( "425 No data connection");
else
{
client.println( "150 Accepted data connection");
uint16_t nm = 0;
//try.. Dir dir=SPIFFS.openDir(cwdName);
//Dir dir=SD.openDir(cwdName);
sd::File dir=SD.open(cwdName);
//try.. if( !SPIFFS.exists( cwdName ))
if( !SD.exists( cwdName ))
client.println( "550 Can't open directory " + String(parameters));
else
{
//try.. while( dir.next())
while( dir.openNextFile())
{
//try.. data.println( dir.fileName());
data.println( dir.name());
nm ++;
}
client.println( "226 " + String(nm) + " matches total");
}
data.stop();
}
}
//
// NOOP
//
else if( ! strcmp( command, "NOOP" ))
{
// dataPort = 0;
client.println( "200 Zzz...");
}
//
// RETR - Retrieve
//
else if( ! strcmp( command, "RETR" ))
{
char path[ FTP_CWD_SIZE ];
if( strlen( parameters ) == 0 )
client.println( "501 No file name");
else if( makePath( path ))
{
//try.. file = SPIFFS.open(path, "r");
sd::File file = SD.open(path, FILE_READ);
if( !file)
client.println( "550 File " +String(parameters)+ " not found");
else if( !file )
client.println( "450 Can't open " +String(parameters));
else if( ! dataConnect())
client.println( "425 No data connection");
else
{
#ifdef FTP_DEBUG
Serial.println("Sending " + String(parameters));
#endif
client.println( "150-Connected to port "+ String(dataPort));
client.println( "150 " + String(file.size()) + " bytes to download");
millisBeginTrans = millis();
bytesTransfered = 0;
transferStatus = 1;
}
}
}
//
// STOR - Store
//
else if( ! strcmp( command, "STOR" ))
{
char path[ FTP_CWD_SIZE ];
if( strlen( parameters ) == 0 )
client.println( "501 No file name");
else if( makePath( path ))
{
//file = SPIFFS.open(path, "w");
//try.. file = SD.open(path, "w");
sd::File file = SD.open(path, FILE_WRITE);
if( !file)
client.println( "451 Can't open/create " +String(parameters) );
else if( ! dataConnect())
{
client.println( "425 No data connection");
file.close();
}
else
{
#ifdef FTP_DEBUG
Serial.println( "Receiving " +String(parameters));
#endif
client.println( "150 Connected to port " + String(dataPort));
millisBeginTrans = millis();
bytesTransfered = 0;
transferStatus = 2;
}
}
}
//
// MKD - Make Directory
//
else if( ! strcmp( command, "MKD" ))
{
client.println( "550 Can't create \"" + String(parameters)); //not support on espyet
}
//
// RMD - Remove a Directory
//
else if( ! strcmp( command, "RMD" ))
{
client.println( "501 Can't delete \"" +String(parameters));
}
//
// RNFR - Rename From
//
else if( ! strcmp( command, "RNFR" ))
{
buf[ 0 ] = 0;
if( strlen( parameters ) == 0 )
client.println( "501 No file name");
else if( makePath( buf ))
{
//if( ! SPIFFS.exists( buf ))
if( ! SD.exists( buf ))
client.println( "550 File " +String(parameters)+ " not found");
else
{
#ifdef FTP_DEBUG
Serial.println("Renaming " + String(buf));
#endif
client.println( "350 RNFR accepted - file exists, ready for destination");
rnfrCmd = true;
}
}
}
//
// RNTO - Rename To
//
else if( ! strcmp( command, "RNTO" ))
{
char path[ FTP_CWD_SIZE ];
char dir[ FTP_FIL_SIZE ];
if( strlen( buf ) == 0 || ! rnfrCmd )
client.println( "503 Need RNFR before RNTO");
else if( strlen( parameters ) == 0 )
client.println( "501 No file name");
else if( makePath( path ))
{
//if( SPIFFS.exists( path ))
if( SD.exists( path ))
client.println( "553 " +String(parameters)+ " already exists");
else
{
#ifdef FTP_DEBUG
Serial.println("Renaming " + String(buf) + " to " + String(path));
#endif
//try.. if( SPIFFS.rename( buf, path ))
/*try.. if( SD.rename( buf, path ))
client.println( "250 File successfully renamed or moved");
else
client.println( "451 Rename/move failure");*/
client.println( "451 Rename/move failure");
}
}
rnfrCmd = false;
}
///////////////////////////////////////
// //
// EXTENSIONS COMMANDS (RFC 3659) //
// //
///////////////////////////////////////
//
// FEAT - New Features
//
else if( ! strcmp( command, "FEAT" ))
{
client.println( "211-Extensions suported:");
client.println( " MLSD");
client.println( "211 End.");
}
//
// MDTM - File Modification Time (see RFC 3659)
//
else if (!strcmp(command, "MDTM"))
{
client.println("550 Unable to retrieve time");
}
//
// SIZE - Size of the file
//
else if( ! strcmp( command, "SIZE" ))
{
char path[ FTP_CWD_SIZE ];
if( strlen( parameters ) == 0 )
client.println( "501 No file name");
else if( makePath( path ))
{
//file = SPIFFS.open(path, "r");
sd::File file = SD.open(path,FILE_READ);
if(!file)
client.println( "450 Can't open " +String(parameters) );
else
{
client.println( "213 " + String(file.size()));
file.close();
}
}
}
//
// SITE - System command
//
else if( ! strcmp( command, "SITE" ))
{
client.println( "500 Unknow SITE command " +String(parameters) );
}
//
// Unrecognized commands ...
//
else
client.println( "500 Unknow command");
return true;
esp8266SDCard_FTPServer-master.zip