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FtpServer.cpp
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/*
* FtpServer Arduino, esp8266 and esp32 library for Ftp Server
* Derived form Jean-Michel Gallego version
*
* AUTHOR: Renzo Mischianti
*
* https://www.mischianti.org/2020/02/08/ftp-server-on-esp8266-and-esp32
*
*
* Use Ethernet library
*
* Commands implemented:
* USER, PASS, AUTH (AUTH only return 'not implemented' code)
* CDUP, CWD, PWD, QUIT, NOOP
* MODE, PASV, PORT, STRU, TYPE
* ABOR, DELE, LIST, NLST, MLST, MLSD
* APPE, RETR, STOR
* MKD, RMD
* RNTO, RNFR
* MDTM, MFMT
* FEAT, SIZE
* SITE FREE
* SYST
* HELP
*
* Tested with those clients:
* under Windows:
* FTP Rush
* Filezilla
* WinSCP
* NcFTP, ncftpget, ncftpput
* Firefox
* command line ftp.exe
* under Ubuntu:
* gFTP
* Filezilla
* NcFTP, ncftpget, ncftpput
* lftp
* ftp
* Firefox
* under Android:
* AndFTP
* FTP Express
* Firefox
* with a second Arduino and sketch of SurferTim at
* http://playground.arduino.cc/Code/FTP
*
*/
#include <FtpServer.h>
FtpServer::FtpServer( uint16_t _cmdPort, uint16_t _pasvPort )
: ftpServer( _cmdPort ), dataServer( _pasvPort )
{
cmdPort = _cmdPort;
pasvPort = _pasvPort;
millisDelay = 0;
nbMatch = 0;
iCL = 0;
iniVariables();
}
void FtpServer::begin( const char * _user, const char * _pass, const char * _welcomeMessage )
{
if ( strcmp( _user, "anonymous" ) != 0) {
DEBUG_PRINTLN(F("NOT ANONYMOUS"));
DEBUG_PRINTLN(_user);
this->anonymousConnection = false; // needed to reset after end of anonymnous and begin of not anonymous
}
// Tells the ftp server to begin listening for incoming connection
ftpServer.begin();
#if (defined(ESP8266) && (FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266_ASYNC || FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266 || FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266_242)) || defined(ARDUINO_ARCH_RP2040) || FTP_SERVER_NETWORK_TYPE_SELECTED == NETWORK_SEEED_RTL8720DN
ftpServer.setNoDelay( true );
#endif
// localIp = _localIP == FTP_NULLIP() || (uint32_t) _localIP == 0 ? NET_CLASS.localIP() : _localIP ;
localIp = NET_CLASS.localIP(); //_localIP == FTP_NULLIP() || (uint32_t) _localIP == 0 ? NET_CLASS.localIP() : _localIP ;
// strcpy( user, FTP_USER );
// strcpy( pass, FTP_PASS );
if( strlen( _user ) > 0 && strlen( _user ) < FTP_CRED_SIZE ) {
//strcpy( user, _user );
this->user = _user;
}
if( strlen( _pass ) > 0 && strlen( _pass ) < FTP_CRED_SIZE ) {
// strcpy( pass, _pass );
this->pass = _pass;
}
// strcpy(_welcomeMessage, welcomeMessage);
this->welcomeMessage = _welcomeMessage;
dataServer.begin();
#if (defined(ESP8266) && (FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266_ASYNC || FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266 || FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266_242)) || defined(ARDUINO_ARCH_RP2040) || FTP_SERVER_NETWORK_TYPE_SELECTED == NETWORK_SEEED_RTL8720DN
dataServer.setNoDelay( true );
#endif
millisDelay = 0;
cmdStage = FTP_Stop;
iniVariables();
}
void FtpServer::begin( const char * _welcomeMessage ) {
this->anonymousConnection = true;
this->begin( "anonymous", "anonymous", _welcomeMessage);
}
void FtpServer::end()
{
if(client.connected()) {
disconnectClient();
}
#if FTP_SERVER_NETWORK_TYPE == NETWORK_ESP32 // && !defined(ARDUINO_ARCH_RP2040)
ftpServer.end();
dataServer.end();
#endif
DEBUG_PRINTLN(F("Stop server!"));
if (FtpServer::_callback) {
FtpServer::_callback(FTP_DISCONNECT, free(), capacity());
}
cmdStage = FTP_Init;
transferStage = FTP_Close;
dataConn = FTP_NoConn;
}
void FtpServer::setLocalIp(IPAddress localIp)
{
this->localIp = localIp;
}
void FtpServer::credentials( const char * _user, const char * _pass )
{
if( strlen( _user ) > 0 && strlen( _user ) < FTP_CRED_SIZE )
// strcpy( user, _user );
this->user = _user;
if( strlen( _pass ) > 0 && strlen( _pass ) < FTP_CRED_SIZE )
// strcpy( pass, _pass );
this->pass = _pass;
}
void FtpServer::iniVariables()
{
// Default for data port
dataPort = FTP_DATA_PORT_DFLT;
// Default Data connection is Active
dataConn = FTP_NoConn;
// Set the root directory
strcpy( cwdName, "/" );
rnfrCmd = false;
transferStage = FTP_Close;
}
uint8_t FtpServer::handleFTP() {
#ifdef FTP_ADDITIONAL_DEBUG
// int8_t data0 = data.status();
ftpTransfer transferStage0 = transferStage;
ftpCmd cmdStage0 = cmdStage;
ftpDataConn dataConn0 = dataConn;
#endif
if ((int32_t) (millisDelay - millis()) <= 0) {
if (cmdStage == FTP_Stop) {
if (client.connected()) {
DEBUG_PRINTLN(F("Disconnect client!"));
disconnectClient();
}
cmdStage = FTP_Init;
} else if (cmdStage == FTP_Init) { // Ftp server waiting for connection
abortTransfer();
iniVariables();
DEBUG_PRINT(F(" Ftp server waiting for connection on port "));
DEBUG_PRINTLN(cmdPort);
cmdStage = FTP_Client;
} else if (cmdStage == FTP_Client) { // Ftp server idle
#if (FTP_SERVER_NETWORK_TYPE == NETWORK_WiFiNINA)
// if (client && !client.connected()) {
// client.stop();
// DEBUG_PRINTLN(F("CLIENT STOP!!"));
// }
byte status;
client = ftpServer.available(&status);
/*
* CLOSED = 0,
LISTEN = 1,
SYN_SENT = 2,
SYN_RCVD = 3,
ESTABLISHED = 4,
FIN_WAIT_1 = 5,
FIN_WAIT_2 = 6,
CLOSE_WAIT = 7,
CLOSING = 8,
LAST_ACK = 9,
TIME_WAIT = 10
*
*/
// DEBUG_PRINTLN(status);
#elif (defined(ESP8266) && (FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266_ASYNC || FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266 || FTP_SERVER_NETWORK_TYPE == NETWORK_ESP8266_242))
if( ftpServer.hasClient())
{
client.stop();
client = ftpServer.available();
}
#else
if (client && !client.connected()) {
client.stop();
DEBUG_PRINTLN(F("CLIENT STOP!!"));
}
client = ftpServer.accept();
#endif
if (client.connected()) // A client connected
{
clientConnected();
millisEndConnection = millis() + 1000L * FTP_AUTH_TIME_OUT; // wait client id for 10 s.
cmdStage = FTP_User;
}
} else if (readChar() > 0) // got response
{
processCommand();
if (cmdStage == FTP_Stop)
millisEndConnection = millis() + 1000L * FTP_AUTH_TIME_OUT; // wait authentication for 10 s.
else if (cmdStage < FTP_Cmd)
millisDelay = millis() + 200; // delay of 100 ms
else
millisEndConnection = millis() + 1000L * FTP_TIME_OUT;
} else if (!client.connected()) {
if (FtpServer::_callback) {
FtpServer::_callback(FTP_DISCONNECT, free(), capacity());
}
cmdStage = FTP_Init;
}
if (transferStage == FTP_Retrieve) // Retrieve data
{
if (!doRetrieve()) {
transferStage = FTP_Close;
}
} else if (transferStage == FTP_Store) // Store data
{
if (!doStore()) {
if (FtpServer::_callback) {
FtpServer::_callback(FTP_FREE_SPACE_CHANGE, free(), capacity());
}
transferStage = FTP_Close;
}
} else if (transferStage == FTP_List || transferStage == FTP_Nlst) // LIST or NLST
{
if (!doList()) {
transferStage = FTP_Close;
}
} else if (transferStage == FTP_Mlsd) // MLSD listing
{
if (!doMlsd()) {
transferStage = FTP_Close;
}
} else if (cmdStage > FTP_Client
&& !((int32_t) (millisEndConnection - millis()) > 0)) {
DEBUG_PRINTLN(F("530 Timeout"));
client.println(F("530 Timeout"));
millisDelay = millis() + 200; // delay of 200 ms
cmdStage = FTP_Stop;
}
#ifdef FTP_ADDITIONAL_DEBUG
if (cmdStage != cmdStage0 || transferStage != transferStage0
|| dataConn != dataConn0) {
DEBUG_PRINT(F(" Command Old: "));
DEBUG_PRINT(cmdStage0);
DEBUG_PRINT(F(" Transfer Old: "));
DEBUG_PRINT(transferStage0);
DEBUG_PRINT(F(" Data Old: "));
DEBUG_PRINTLN(dataConn0);
DEBUG_PRINT(F(" Command : "));
DEBUG_PRINT(cmdStage);
DEBUG_PRINT(F(" Transfer : "));
DEBUG_PRINT(transferStage);
DEBUG_PRINT(F(" Data : "));
DEBUG_PRINTLN(dataConn);
}
#endif
}
return cmdStage | (transferStage << 3) | (dataConn << 6);
}
void FtpServer::clientConnected()
{
DEBUG_PRINTLN( F(" Client connected!") );
client.print (F("220--- ")); client.print(welcomeMessage); client.println(F(" ---"));
client.println(F(" -- By Renzo Mischianti --"));
client.print (F("220 -- Version ")); client.print(FTP_SERVER_VERSION); client.println(F(" --"));
iCL = 0;
if (FtpServer::_callback) {
FtpServer::_callback(FTP_CONNECT, free(), capacity());
}
}
void FtpServer::disconnectClient()
{
DEBUG_PRINTLN( F(" Disconnecting client") );
abortTransfer();
client.println(F("221 Goodbye") );
if (FtpServer::_callback) {
FtpServer::_callback(FTP_DISCONNECT, free(), capacity());
}
if( client ) {
}
if( data ) {
data.stop();
}
}
bool FtpServer::processCommand()
{
///////////////////////////////////////
// //
// AUTHENTICATION COMMANDS //
// //
///////////////////////////////////////
// RoSchmi added the next two lines
DEBUG_PRINT("Command is: ");
DEBUG_PRINTLN(command);
//
// USER - User Identity
//
if( CommandIs( "USER" ))
{
DEBUG_PRINT(F("USER: "));
DEBUG_PRINT(parameter);
DEBUG_PRINT(F(" "));
DEBUG_PRINTLN(user)
if (this->anonymousConnection && ! strcmp( parameter, user )) {
DEBUG_PRINTLN( F(" Anonymous authentication Ok. Waiting for commands.") );
client.println(F("230 Ok") );
cmdStage = FTP_Cmd;
} else if( ! strcmp( parameter, user ))
{
client.println(F("331 Ok. Password required") );
strcpy( cwdName, "/" );
cmdStage = FTP_Pass;
}
else
{
DEBUG_PRINTLN(F("530 ") );
client.println(F("530 ") );
cmdStage = FTP_Stop;
}
}
//
// PASS - Password
//
else if( CommandIs( "PASS" ))
{
DEBUG_PRINT(F("PASS: ")) DEBUG_PRINTLN(pass);
DEBUG_PRINT(F("PASS PARAM: ")) DEBUG_PRINTLN(parameter);
DEBUG_PRINT(F("PASS OK: ")) DEBUG_PRINTLN(strcmp( parameter, pass ));
if( cmdStage != FTP_Pass )
{
client.println(F("503 ") );
cmdStage = FTP_Stop;
}
if( ! strcmp( parameter, pass ))
{
DEBUG_PRINTLN( F(" Authentication Ok. Waiting for commands.") );
client.println(F("230 Ok") );
cmdStage = FTP_Cmd;
}
else
{
client.println( F("530 Wrong password!") );
cmdStage = FTP_Stop;
}
}
//
// FEAT - New Features
//
else if( CommandIs( "FEAT" ))
{
client.println(F("211-Extensions supported:"));
client.println(F(" MLST type*;modify*;size*;") );
client.println(F(" MLSD") );
client.println(F(" MDTM") );
client.println(F(" MFMT") );
#ifdef UTF8_SUPPORT
client.println(F(" UTF8") );
#endif
client.println(F(" SIZE") );
client.println(F(" SITE FREE") );
client.println(F("211 End.") );
}
//
// AUTH - Not implemented
//
else if( CommandIs( "AUTH" )) {
client.println(F("502 ") );
}
//
// SYST - System
//
else if( CommandIs( "SYST" ))
{
DEBUG_PRINTLN(F("215 ESP"));
client.println(F("215 ESP"));
// FtpOutCli << F("215 ESP") << endl;
}
//
#ifdef UTF8_SUPPORT
// OPTS
//
else if( CommandIs( "OPTS" )) {
if( ParameterIs( "UTF8 ON" ) || ParameterIs( "utf8 on" )) {
client.println(F("200 OK, UTF8 ON") );
DEBUG_PRINTLN(F("200 OK, UTF8 ON") );
} else {
client.println(F("504 Unknown OPTS") );
DEBUG_PRINTLN(F("504 Unknown OPTS") );
}
}
//
#endif
//
// Unrecognized commands at stage of authentication
//
else if( cmdStage < FTP_Cmd )
{
client.println(F("530 ") );
cmdStage = FTP_Stop;
}
///////////////////////////////////////
// //
// ACCESS CONTROL COMMANDS //
// //
///////////////////////////////////////
//
// PWD - Print Directory
//
else if( CommandIs( "PWD" ) ||
( CommandIs( "CWD" ) && ParameterIs( "." ))) {
client.print( F("257 \"")); client.print( cwdName ); client.print( F("\"") ); client.println( F(" is your current directory") );
//
// CDUP - Change to Parent Directory
//
} else if( CommandIs( "CDUP" ) ||
( CommandIs( "CWD" ) && ParameterIs( ".." )))
{
bool ok = false;
if( strlen( cwdName ) > 1 ) // do nothing if cwdName is root
{
// if cwdName ends with '/', remove it (must not append)
if( cwdName[ strlen( cwdName ) - 1 ] == '/' ) {
cwdName[ strlen( cwdName ) - 1 ] = 0;
}
// search last '/'
char * pSep = strrchr( cwdName, '/' );
ok = pSep > cwdName;
// if found, ends the string on its position
if( ok )
{
* pSep = 0;
ok = exists( cwdName );
}
}
// if an error appends, move to root
if( ! ok ) {
strcpy( cwdName, "/" );
}
client.print( F("250 Ok. Current directory is ") ); client.println( cwdName );
}
//
// CWD - Change Working Directory
//
else if( CommandIs( "CWD" ))
{
char path[ FTP_CWD_SIZE ];
if( haveParameter() && makeExistsPath( path ))
{
strcpy( cwdName, path );
client.print( F("250 Directory changed to ") ); client.print(cwdName); client.println();
}
}
//
// QUIT
//
else if( CommandIs( "QUIT" ))
{
client.println(F("221 Goodbye") );
disconnectClient();
cmdStage = FTP_Stop;
}
///////////////////////////////////////
// //
// TRANSFER PARAMETER COMMANDS //
// //
///////////////////////////////////////
//
// MODE - Transfer Mode
//
else if( CommandIs( "MODE" ))
{
if( ParameterIs( "S" )) {
client.println(F("200 S Ok") );
} else {
client.println(F("504 Only S(tream) is supported") );
}
}
//
// PASV - Passive Connection management
//
else if( CommandIs( "PASV" ))
{
data.stop();
dataServer.begin();
if (((((uint32_t) NET_CLASS.localIP()) & ((uint32_t) NET_CLASS.subnetMask())) ==
(((uint32_t) client.remoteIP()) & ((uint32_t) NET_CLASS.subnetMask()))) && (uint32_t)localIp <= 0) {
dataIp = NET_CLASS.localIP();
} else {
dataIp = localIp;
}
DEBUG_PRINT( F(" IP: ") );
DEBUG_PRINT( int( dataIp[0]) ); DEBUG_PRINT( F(".") ); DEBUG_PRINT( int( dataIp[1]) ); DEBUG_PRINT( F(".") );
DEBUG_PRINT( int( dataIp[2]) ); DEBUG_PRINT( F(".") ); DEBUG_PRINTLN( int( dataIp[3]) );
#if ((FTP_SERVER_NETWORK_TYPE_SELECTED == NETWORK_ESP8266_ASYNC) || (FTP_SERVER_NETWORK_TYPE_SELECTED == NETWORK_ESP8266) || (FTP_SERVER_NETWORK_TYPE_SELECTED == NETWORK_ESP8266) || (FTP_SERVER_NETWORK_TYPE_SELECTED == NETWORK_ESP32)) // || (FTP_SERVER_NETWORK_TYPE_SELECTED == NETWORK_WiFiNINA) || (FTP_SERVER_NETWORK_TYPE_SELECTED == NETWORK_SEEED_RTL8720DN))
if (dataIp.toString() == F("0.0.0.0")) {
dataIp = NET_CLASS.softAPIP();
}
#endif
DEBUG_PRINT( F(" Soft IP: ") );
DEBUG_PRINT( int( dataIp[0]) ); DEBUG_PRINT( F(".") ); DEBUG_PRINT( int( dataIp[1]) ); DEBUG_PRINT( F(".") );
DEBUG_PRINT( int( dataIp[2]) ); DEBUG_PRINT( F(".") ); DEBUG_PRINTLN( int( dataIp[3]) );
dataPort = pasvPort;
DEBUG_PRINTLN( F(" Connection management set to passive") );
DEBUG_PRINT( F(" Listening at ") );
DEBUG_PRINT( int( dataIp[0]) ); DEBUG_PRINT( F(".") ); DEBUG_PRINT( int( dataIp[1]) ); DEBUG_PRINT( F(".") );
DEBUG_PRINT( int( dataIp[2]) ); DEBUG_PRINT( F(".") ); DEBUG_PRINT( int( dataIp[3]) );
DEBUG_PRINT( F(":") ); DEBUG_PRINTLN( dataPort );
// client.print( F("227 Entering Passive Mode") ); client.print( F(" (") );
// client.print( int( dataIp[0]) ); client.print( F(",") ); client.print( int( dataIp[1]) ); client.print( F(",") );
// client.print( int( dataIp[2]) ); client.print( F(",") ); client.print( int( dataIp[3]) ); client.print( F(",") );
// client.print( ( dataPort >> 8 ) ); client.print( F(",") ); client.print( ( dataPort & 255 ) ); client.println( F(")") );
char buffer[64]; // Assicurati che sia abbastanza grande per contenere il messaggio
snprintf(buffer, sizeof(buffer),
"227 Entering Passive Mode (%d,%d,%d,%d,%d,%d)",
int(dataIp[0]), int(dataIp[1]), int(dataIp[2]), int(dataIp[3]),
dataPort >> 8, dataPort & 255);
client.println(buffer);
dataConn = FTP_Pasive;
}
//
// PORT - Data Port
//
else if( CommandIs( "PORT" ))
{
data.stop();
// get IP of data client
dataIp[ 0 ] = atoi( parameter );
char * p = strchr( parameter, ',' );
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(F("501 Can't interpret parameters") );
} else
{
DEBUG_PRINT( F(" Data IP set to ") ); DEBUG_PRINT( int( dataIp[0]) ); DEBUG_PRINT( F(".") ); DEBUG_PRINT( int( dataIp[1]) );
DEBUG_PRINT( F(".") ); DEBUG_PRINT( int( dataIp[2]) ); DEBUG_PRINT( F(".") ); DEBUG_PRINTLN( int( dataIp[3]) );
DEBUG_PRINT( F(" Data port set to ") ); DEBUG_PRINTLN( dataPort );
client.println(F("200 PORT command successful") );
dataConn = FTP_Active;
}
}
//
// STRU - File Structure
//
else if( CommandIs( "STRU" ))
{
if( ParameterIs( "F" )) {
client.println(F("200 F Ok") );
// else if( ParameterIs( "R" ))
// client.println(F("200 B Ok") );
}else{
client.println(F("504 Only F(ile) is supported") );
}
}
//
// TYPE - Data Type
//
else if( CommandIs( "TYPE" ))
{
if( ParameterIs( "A" )) {
client.println(F("200 TYPE is now ASCII"));
} else if( ParameterIs( "I" )) {
client.println(F("200 TYPE is now 8-bit binary") );
} else {
client.println(F("504 Unknown TYPE") );
}
}
///////////////////////////////////////
// //
// FTP SERVICE COMMANDS //
// //
///////////////////////////////////////
//
// ABOR - Abort
//
else if( CommandIs( "ABOR" ))
{
abortTransfer();
client.println(F("226 Data connection closed"));
}
//
// DELE - Delete a File
//
else if( CommandIs( "DELE" ))
{
char path[ FTP_CWD_SIZE ];
if( haveParameter() && makeExistsPath( path )) {
if( remove( path )) {
if (FtpServer::_callback) {
FtpServer::_callback(FTP_FREE_SPACE_CHANGE, free(), capacity());
}
client.print( F("250 Deleted ") ); client.println( parameter );
} else {
client.print( F("450 Can't delete ") ); client.println( parameter );
}
}
}
//
// LIST - List
// NLST - Name List
// MLSD - Listing for Machine Processing (see RFC 3659)
//
else if( CommandIs( "LIST" ) || CommandIs( "NLST" ) || CommandIs( "MLSD" ))
{
DEBUG_PRINT("List of file!!");
if( dataConnect()){
if( openDir( & dir ))
{
DEBUG_PRINT("Dir opened!!");
nbMatch = 0;
if( CommandIs( "LIST" ))
transferStage = FTP_List;
else if( CommandIs( "NLST" ))
transferStage = FTP_Nlst;
else
transferStage = FTP_Mlsd;
}
else {
DEBUG_PRINT("List Data stop!!");
data.stop();
}
}
}
//
// MLST - Listing for Machine Processing (see RFC 3659)
//
else if( CommandIs( "MLST" ))
{
char path[ FTP_CWD_SIZE ];
uint16_t dat=0, tim=0;
char dtStr[ 15 ];
bool isdir;
if( haveParameter() && makeExistsPath( path )){
if( ! getFileModTime( path, &dat, &tim )) {
client.print( F("550 Unable to retrieve time for ") ); client.println( parameter );
} else
{
isdir = isDir( path );
client.println( F("250-Begin") );
client.print( F(" Type=") ); client.print( ( isdir ? F("dir") : F("file")) );
client.print( F(";Modify=") ); client.print( makeDateTimeStr( dtStr, dat, tim ) );
if( ! isdir )
{
if( openFile( path, FTP_FILE_READ ))
{
client.print( F(";Size=") ); client.print( long( fileSize( file )) );
file.close();
}
}
client.print( F("; ") ); client.println( path );
client.println( F("250 End.") );
}
}
}
//
// NOOP
//
else if( CommandIs( "NOOP" )) {
client.println(F("200 Zzz...") );
}
// HELP
//
else if( CommandIs( "HELP" )) {
client.println(F("200 Commands implemented:") );
client.println(F(" USER, PASS, AUTH (AUTH only return 'not implemented' code)") );
client.println(F(" CDUP, CWD, PWD, QUIT, NOOP") );
client.println(F(" MODE, PASV, PORT, STRU, TYPE") );
client.println(F(" ABOR, DELE, LIST, NLST, MLST, MLSD") );
client.println(F(" APPE, RETR, STOR") );
client.println(F(" MKD, RMD") );
client.println(F(" RNTO, RNFR") );
client.println(F(" MDTM, MFMT") );
client.println(F(" FEAT, SIZE") );
client.println(F(" SITE FREE") );
client.println(F(" HELP") );
}
//
// RETR - Retrieve
//
else if( CommandIs( "RETR" ))
{
char path[ FTP_CWD_SIZE ];
if( haveParameter() && makeExistsPath( path )) {
if( ! openFile( path, FTP_FILE_READ )) {
client.print( F("450 Can't open ") ); client.print( parameter );
} else if( dataConnect( false ))
{
DEBUG_PRINT( F(" Sending ") ); DEBUG_PRINT( parameter ); DEBUG_PRINT( F(" size ") ); DEBUG_PRINTLN( long( fileSize( file )) );
if (FtpServer::_transferCallback) {
FtpServer::_transferCallback(FTP_DOWNLOAD_START, parameter, long( fileSize( file )));
}
client.print( F("150-Connected to port ") ); client.println( dataPort );
client.print( F("150 ") ); client.print( long( fileSize( file )) ); client.println( F(" bytes to download") );
millisBeginTrans = millis();
bytesTransfered = 0;
transferStage = FTP_Retrieve;
}
}
}
//
// STOR - Store
// APPE - Append
//
else if( CommandIs( "STOR" ) || CommandIs( "APPE" ))
{
char path[ FTP_CWD_SIZE ];
if( haveParameter() && makePath( path ))
{
bool open;
if( exists( path )) {
DEBUG_PRINTLN(F("APPEND FILE!!"));
open = openFile( path, ( CommandIs( "APPE" ) ? FTP_FILE_WRITE_APPEND : FTP_FILE_WRITE_CREATE ));
} else {
DEBUG_PRINTLN(F("CREATE FILE!!"));
open = openFile( path, FTP_FILE_WRITE_CREATE );
}
data.stop();
data.flush();
DEBUG_PRINT(F("open/create "));
DEBUG_PRINTLN(open);
if( ! open ){
client.print( F("451 Can't open/create ") ); client.println( parameter );
}else if( ! dataConnect()) // && !data.available())
file.close();
else
{
DEBUG_PRINT( F(" Receiving ") ); DEBUG_PRINTLN( parameter );
millisBeginTrans = millis();
bytesTransfered = 0;
transferStage = FTP_Store;
if (FtpServer::_transferCallback) {
FtpServer::_transferCallback(FTP_UPLOAD_START, parameter, bytesTransfered);
}
}
}
}
//
// MKD - Make Directory
//
else if( CommandIs( "MKD" ))
{
char path[ FTP_CWD_SIZE ];
if( haveParameter() && makePath( path ))
{
if( exists( path )) {
client.print( F("521 \"") ); client.print( parameter ); client.println( F("\" directory already exists") );
} else
{
DEBUG_PRINT( F(" Creating directory ")); DEBUG_PRINTLN( parameter );
#if STORAGE_TYPE != STORAGE_SPIFFS
if( makeDir( path )) {
client.print( F("257 \"") ); client.print( parameter ); client.print( F("\"") ); client.println( F(" created") );
} else {
#endif
client.print( F("550 Can't create \"") ); client.print( parameter ); client.println( F("\"") );
#if STORAGE_TYPE != STORAGE_SPIFFS
}
#endif
}
}
}
//
// RMD - Remove a Directory
//
else if( CommandIs( "RMD" ))
{
char path[ FTP_CWD_SIZE ];
if( haveParameter() && makeExistsPath( path )) {
if( removeDir( path ))
{
DEBUG_PRINT( F(" Deleting ") ); DEBUG_PRINTLN( path );
client.print( F("250 \"") ); client.print( parameter ); client.println( F("\" deleted") );
}
else {
client.print( F("550 Can't remove \"") ); client.print( parameter ); client.println( F("\". Directory not empty?") );
}
}
}
//
// RNFR - Rename From
//
else if( CommandIs( "RNFR" ))
{
rnfrName[ 0 ] = 0;
if( haveParameter() && makeExistsPath( rnfrName ))
{
DEBUG_PRINT( F(" Ready for renaming ") ); DEBUG_PRINTLN( rnfrName );
client.println(F("350 RNFR accepted - file exists, ready for destination") );
rnfrCmd = true;
}
}
//
// RNTO - Rename To
//
else if( CommandIs( "RNTO" ))
{
char path[ FTP_CWD_SIZE ];
char dirp[ FTP_FIL_SIZE ];
if( strlen( rnfrName ) == 0 || ! rnfrCmd ) {
client.println(F("503 Need RNFR before RNTO") );
} else if( haveParameter() && makePath( path ))
{
if( exists( path )) {
client.print( F("553 ") ); client.print( parameter ); client.println( F(" already exists") );
} else
{
strcpy( dirp, path );
char * psep = strrchr( dirp, '/' );
bool fail = psep == NULL;
if( ! fail )
{
if( psep == dirp )
psep ++;
* psep = 0;
// fail = ! isDir( dirp );
// if( fail ) {
// client.print( F("550 \"") ); client.print( dirp ); client.println( F("\" is not directory") );
// } else
// {
DEBUG_PRINT( F(" Renaming ") ); DEBUG_PRINT( rnfrName ); DEBUG_PRINT( F(" to ") ); DEBUG_PRINTLN( path );
if( rename( rnfrName, path ))
client.println(F("250 File successfully renamed or moved") );
else
fail = true;
// }
}
if( fail )
client.println(F("451 Rename/move failure") );
}
}
rnfrCmd = false;
}
/*
//
// SYST - System
//
else if( CommandIs( "SYST" ))
FtpOutCli << F("215 MSDOS") << endl;
*/
///////////////////////////////////////
// //
// EXTENSIONS COMMANDS (RFC 3659) //
// //
///////////////////////////////////////
//
// MDTM && MFMT - File Modification Time (see RFC 3659)
//
else if( CommandIs( "MDTM" ) || CommandIs( "MFMT" ))
{
if( haveParameter())
{
char path[ FTP_CWD_SIZE ];
char * fname = parameter;
uint16_t year;
uint8_t month, day, hour, minute, second, setTime;
char dt[ 15 ];
bool mdtm = CommandIs( "MDTM" );
setTime = getDateTime( dt, & year, & month, & day, & hour, & minute, & second );
// fname point to file name
fname += setTime;
if( strlen( fname ) <= 0 ) {
client.println(F("501 No file name") );
} else if( makeExistsPath( path, fname )) {
if( setTime ) // set file modification time
{
if( timeStamp( path, year, month, day, hour, minute, second )) {
client.print( F("213 ") ); client.println( dt );
} else {
client.println(F("550 Unable to modify time" ));
}
}
else if( mdtm ) // get file modification time
{
uint16_t dat=0, tim=0;
char dtStr[ 15 ];
if( getFileModTime( path, &dat, &tim )) {
client.print( F("213 ") ); client.println( makeDateTimeStr( dtStr, dat, tim ) );
} else {
client.println("550 Unable to retrieve time" );
}
}
}
}
}
//
// SIZE - Size of the file
//
else if( CommandIs( "SIZE" ))
{
char path[ FTP_CWD_SIZE ];
if( haveParameter() && makeExistsPath( path )) {
if( ! openFile( path, FTP_FILE_READ )) {
client.print( F("450 Can't open ") ); client.println( parameter );
} else
{
client.print( F("213 ") ); client.println( long( fileSize( file )) );
file.close();
}
}
}
//
// SITE - System command
//
else if( CommandIs( "SITE" ))
{
if( ParameterIs( "FREE" ))
{
uint32_t capa = capacity();
if(( capa >> 10 ) < 1000 ) { // less than 1 Giga
client.print( F("200 ") ); client.print( free() ); client.print( F(" kB free of ") );
client.print( capa ); client.println( F(" kB capacity") );
}else {
client.print( F("200 ") ); client.print( ( free() >> 10 ) ); client.print( F(" MB free of ") );
client.print( ( capa >> 10 ) ); client.println( F(" MB capacity") );