399 lines
14 KiB
C++
399 lines
14 KiB
C++
#include "ftp.h"
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FTP::User::User( Socket::Connection NewConnection ) {
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Conn = NewConnection;
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USER = "";
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PASS = "";
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MODE = MODE_STREAM;
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STRU = STRU_FILE;
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TYPE = TYPE_ASCII_NONPRINT;
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PORT = 20;
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RNFR = "";
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MyDir = Filesystem::Directory( "", FTPBasePath );
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MyDir.SetPermissions( "", Filesystem::P_LIST );
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MyDir.SetPermissions( "Unconverted", Filesystem::P_LIST | Filesystem::P_DELE | Filesystem::P_RNFT | Filesystem::P_STOR | Filesystem::P_RETR );
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MyDir.SetPermissions( "Converted", Filesystem::P_LIST | Filesystem::P_DELE | Filesystem::P_RNFT | Filesystem::P_RETR );
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MyDir.SetPermissions( "OnDemand", Filesystem::P_LIST | Filesystem::P_RETR );
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MyDir.SetPermissions( "Live", Filesystem::P_LIST );
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MyDir.SetVisibility( "Converted", Filesystem::S_INACTIVE );
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MyDir.SetVisibility( "OnDemand", Filesystem::S_ACTIVE );
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JSON::Value MyConfig = JSON::fromFile( "/tmp/mist/streamlist" );
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fprintf( stderr, "Streamamount: %d\n", MyConfig["streams"].size() );
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for( JSON::ObjIter it = MyConfig["streams"].ObjBegin(); it != MyConfig["streams"].ObjEnd(); it++ ) {
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std::string ThisStream = (*it).second["channel"]["URL"].toString();
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ThisStream.erase( ThisStream.begin() );
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ThisStream.erase( ThisStream.end() - 1 );
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while( ThisStream.find( '/' ) != std::string::npos ) {
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ThisStream.erase(0,ThisStream.find('/')+1);
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}
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ActiveStreams.push_back( ThisStream );
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fprintf( stderr, "\t%s\n", ThisStream.c_str() );
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}
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}
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FTP::User::~User( ) { }
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int FTP::User::ParseCommand( std::string Command ) {
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Commands ThisCmd = CMD_NOCMD;
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if( Command.substr(0,4) == "NOOP" ) { ThisCmd = CMD_NOOP; Command.erase(0,5); }
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if( Command.substr(0,4) == "USER" ) { ThisCmd = CMD_USER; Command.erase(0,5); }
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if( Command.substr(0,4) == "PASS" ) { ThisCmd = CMD_PASS; Command.erase(0,5); }
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if( Command.substr(0,4) == "QUIT" ) { ThisCmd = CMD_QUIT; Command.erase(0,5); }
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if( Command.substr(0,4) == "PORT" ) { ThisCmd = CMD_PORT; Command.erase(0,5); }
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if( Command.substr(0,4) == "RETR" ) { ThisCmd = CMD_RETR; Command.erase(0,5); }
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if( Command.substr(0,4) == "STOR" ) { ThisCmd = CMD_STOR; Command.erase(0,5); }
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if( Command.substr(0,4) == "TYPE" ) { ThisCmd = CMD_TYPE; Command.erase(0,5); }
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if( Command.substr(0,4) == "MODE" ) { ThisCmd = CMD_MODE; Command.erase(0,5); }
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if( Command.substr(0,4) == "STRU" ) { ThisCmd = CMD_STRU; Command.erase(0,5); }
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if( Command.substr(0,4) == "EPSV" ) { ThisCmd = CMD_EPSV; Command.erase(0,5); }
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if( Command.substr(0,4) == "PASV" ) { ThisCmd = CMD_PASV; Command.erase(0,5); }
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if( Command.substr(0,4) == "LIST" ) { ThisCmd = CMD_LIST; Command.erase(0,5); }
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if( Command.substr(0,4) == "CDUP" ) { ThisCmd = CMD_CDUP; Command.erase(0,5); }
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if( Command.substr(0,4) == "DELE" ) { ThisCmd = CMD_DELE; Command.erase(0,5); }
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if( Command.substr(0,4) == "RNFR" ) { ThisCmd = CMD_RNFR; Command.erase(0,5); }
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if( Command.substr(0,4) == "RNTO" ) { ThisCmd = CMD_RNTO; Command.erase(0,5); }
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if( Command.substr(0,3) == "PWD" ) { ThisCmd = CMD_PWD; Command.erase(0,4); }
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if( Command.substr(0,3) == "CWD" ) { ThisCmd = CMD_CWD; Command.erase(0,4); }
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if( Command.substr(0,3) == "RMD" ) { ThisCmd = CMD_RMD; Command.erase(0,4); }
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if( Command.substr(0,3) == "MKD" ) { ThisCmd = CMD_MKD; Command.erase(0,4); }
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if( ThisCmd != CMD_RNTO ) { RNFR = ""; }
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switch( ThisCmd ) {
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case CMD_NOOP: {
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return 200;//Command okay.
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break;
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}
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case CMD_USER: {
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USER = "";
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PASS = "";
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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USER = ThisCmd;
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return 331;//User name okay, need password.
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break;
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}
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case CMD_PASS: {
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if( USER == "" ) { return 503; }//Bad sequence of commands
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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PASS = ThisCmd;
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if( !LoggedIn( ) ) {
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USER = "";
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PASS ="";
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return 530;//Not logged in.
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}
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return 230;
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break;
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}
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case CMD_LIST: {
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std::cout << "Listening on :" << MyPassivePort << "\n";
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Socket::Connection Connected = Passive.accept();
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if( Connected.connected() ) {
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Conn.write( "125 Data connection already open; transfer starting.\n" );
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} else {
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Conn.write( "150 File status okay; about to open data connection.\n" );
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}
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while( !Connected.connected() ) {
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Connected = Passive.accept();
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}
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fprintf( stderr, "Sending LIST information\n" );
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Connected.write( MyDir.LIST( ActiveStreams ) );
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Connected.close( );
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return 226;
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break;
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}
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case CMD_QUIT: {
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return 221;//Service closing control connection. Logged out if appropriate.
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break;
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}
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case CMD_PORT: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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PORT = atoi( Command.c_str() );
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return 200;//Command okay.
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break;
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}
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case CMD_EPSV: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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MyPassivePort = (rand() % 9999);
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std::cout << ":" << MyPassivePort << "\n";
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Passive = Socket::Server(MyPassivePort,"0.0.0.0",true);
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return 229;
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break;
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}
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case CMD_PASV: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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MyPassivePort = (rand() % 9999) + 49152;
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std::cout << ":" << MyPassivePort << "\n";
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Passive = Socket::Server(MyPassivePort,"0.0.0.0",true);
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return 227;
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break;
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}
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case CMD_RETR: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( !MyDir.HasPermission( Filesystem::P_RETR ) ) { return 550; }//Access denied.
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std::cout << "Listening on :" << MyPassivePort << "\n";
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Socket::Connection Connected = Passive.accept();
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if( Connected.connected() ) {
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Conn.write( "125 Data connection already open; transfer starting.\n" );
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} else {
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Conn.write( "150 File status okay; about to open data connection.\n" );
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}
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while( !Connected.connected() ) {
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Connected = Passive.accept();
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}
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fprintf( stderr, "Sending RETR information\n" );
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Connected.write( MyDir.RETR( Command ) );
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Connected.close();
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return 226;
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break;
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}
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case CMD_STOR: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( !MyDir.HasPermission( Filesystem::P_STOR ) ) { return 550; }//Access denied.
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std::cout << "Listening on :" << MyPassivePort << "\n";
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Socket::Connection Connected = Passive.accept();
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if( Connected.connected() ) {
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Conn.write( "125 Data connection already open; transfer starting.\n" );
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} else {
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Conn.write( "150 File status okay; about to open data connection.\n" );
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}
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while( !Connected.connected() ) {
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Connected = Passive.accept();
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}
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fprintf( stderr, "Reading STOR information\n" );
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std::string Buffer;
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while( Connected.spool() ) { }
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Buffer = Connected.Received();
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MyDir.STOR( Command, Buffer );
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return 250;
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break;
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}
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case CMD_TYPE: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( Command.size() != 1 && Command.size() != 3 ) { return 501; }//Syntax error in parameters or arguments.
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switch( Command[0] ) {
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case 'A': {
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if( Command.size() > 1 ) {
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if( Command[1] != ' ' ) { return 501; }//Syntax error in parameters or arguments.
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if( Command[2] != 'N' ) { return 504; }//Command not implemented for that parameter.
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}
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TYPE = TYPE_ASCII_NONPRINT;
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break;
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}
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case 'I': {
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if( Command.size() > 1 ) {
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if( Command[1] != ' ' ) { return 501; }//Syntax error in parameters or arguments.
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if( Command[2] != 'N' ) { return 504; }//Command not implemented for that parameter.
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}
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TYPE = TYPE_IMAGE_NONPRINT;
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break;
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}
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default: {
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return 504;//Command not implemented for that parameter.
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break;
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}
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}
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return 200;//Command okay.
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break;
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}
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case CMD_MODE: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( Command.size() != 1 ) { return 501; }//Syntax error in parameters or arguments.
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if( Command[0] != 'S' ) { return 504; }//Command not implemented for that parameter.
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MODE = MODE_STREAM;
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return 200;//Command okay.
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break;
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}
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case CMD_STRU: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( Command.size() != 1 ) { return 501; }//Syntax error in parameters or arguments.
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switch( Command[0] ) {
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case 'F': {
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STRU = STRU_FILE;
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break;
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}
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case 'R': {
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STRU = STRU_RECORD;
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break;
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}
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default: {
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return 504;//Command not implemented for that parameter.
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break;
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}
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}
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return 200;//Command okay.
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break;
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}
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case CMD_PWD: {
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if( !LoggedIn( ) ) { return 550; }//Not logged in.
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if( Command != "" ) { return 501; }//Syntax error in parameters or arguments.
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return 2570;//257 -- 0 to indicate PWD over MKD
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break;
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}
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case CMD_CWD: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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Filesystem::Directory TmpDir = MyDir;
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if( TmpDir.CWD( Command ) ) {
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if( TmpDir.IsDir( ) ) {
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MyDir = TmpDir;
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return 250;
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}
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}
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return 550;
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break;
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}
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case CMD_CDUP: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command != "" ) { return 501; }//Syntax error in parameters or arguments.
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Filesystem::Directory TmpDir = MyDir;
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if( TmpDir.CDUP( ) ) {
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if( TmpDir.IsDir( ) ) {
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MyDir = TmpDir;
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return 250;
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}
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}
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return 550;
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break;
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}
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case CMD_DELE: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( !MyDir.DELE( Command ) ) { return 550; }
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return 250;
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break;
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}
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case CMD_RMD: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( !MyDir.HasPermission( Filesystem::P_RMD ) ) { return 550; }
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if( !MyDir.DELE( Command ) ) { return 550; }
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return 250;
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break;
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}
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case CMD_MKD: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( !MyDir.HasPermission( Filesystem::P_MKD ) ) { return 550; }
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if( !MyDir.MKD( Command ) ) { return 550; }
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return 2571;
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break;
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}
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case CMD_RNFR: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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RNFR = Command;
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return 350;//Awaiting further information
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}
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case CMD_RNTO: {
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if( !LoggedIn( ) ) { return 530; }//Not logged in.
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if( Command == "" ) { return 501; }//Syntax error in parameters or arguments.
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if( RNFR == "" ) { return 503; } //Bad sequence of commands
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if( !MyDir.Rename( RNFR, Command ) ) { return 550; }
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return 250;
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}
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default: {
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return 502;//Command not implemented.
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break;
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}
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}
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}
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bool FTP::User::LoggedIn( ) {
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if( USER == "" || PASS == "" ) { return false; }
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return true;
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}
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std::string FTP::User::NumToMsg( int MsgNum ) {
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std::string Result;
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switch( MsgNum ) {
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case 200: {
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Result = "200 Message okay.\n";
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break;
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}
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case 221: {
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Result = "221 Service closing control connection. Logged out if appropriate.\n";
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break;
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}
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case 226: {
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Result = "226 Closing data connection.\n";
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break;
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}
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case 227: {
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std::stringstream sstr;
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sstr << "227 Entering passive mode (0,0,0,0,";
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sstr << (MyPassivePort >> 8) % 256;
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sstr << ",";
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sstr << MyPassivePort % 256;
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sstr << ").\n";
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Result = sstr.str();
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break;
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}
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case 229: {
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std::stringstream sstr;
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sstr << "229 Entering extended passive mode (|||";
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sstr << MyPassivePort;
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sstr << "|).\n";
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Result = sstr.str();
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break;
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}
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case 230: {
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Result = "230 User logged in, proceed.\n";
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break;
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}
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case 250: {
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Result = "250 Requested file action okay, completed.\n";
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break;
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}
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case 2570: {//PWD
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Result = "257 \"" + MyDir.PWD( ) + "\" selected as PWD\n";
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break;
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}
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case 2571: {//MKD
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Result = "257 \"" + MyDir.PWD( ) + "\" created\n";
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break;
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}
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case 331: {
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Result = "331 User name okay, need password.\n";
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break;
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}
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case 350: {
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Result = "350 Requested file action pending further information\n";
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break;
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}
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case 501: {
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Result = "501 Syntax error in parameters or arguments.\n";
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break;
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}
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case 502: {
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Result = "502 Command not implemented.\n";
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break;
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}
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case 503: {
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Result = "503 Bad sequence of commands.\n";
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break;
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}
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case 504: {
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Result = "504 Command not implemented for that parameter.\n";
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break;
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}
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case 530: {
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Result = "530 Not logged in.\n";
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break;
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}
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case 550: {
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Result = "550 Requested action not taken.\n";
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break;
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}
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default: {
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Result = "Error msg not implemented?\n";
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break;
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}
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}
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return Result;
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}
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