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Diffstat (limited to 'kioslave/ftp/ftp.cc')
| -rw-r--r-- | kioslave/ftp/ftp.cc | 2675 |
1 files changed, 0 insertions, 2675 deletions
diff --git a/kioslave/ftp/ftp.cc b/kioslave/ftp/ftp.cc deleted file mode 100644 index 3d29e2b65..000000000 --- a/kioslave/ftp/ftp.cc +++ /dev/null @@ -1,2675 +0,0 @@ -// -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 2; -*- -/* This file is part of the KDE libraries - Copyright (C) 2000 David Faure <faure@kde.org> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. - - Recommended reading explaining FTP details and quirks: - http://cr.yp.to/ftp.html (by D.J. Bernstein) -*/ - - -#define KIO_FTP_PRIVATE_INCLUDE -#include "ftp.h" - -#include <sys/stat.h> -#ifdef HAVE_SYS_TIME_H -#include <sys/time.h> -#endif -#ifdef HAVE_SYS_SELECT_H -#include <sys/select.h> -#endif - -#include <netinet/in.h> -#include <arpa/inet.h> - -#include <assert.h> -#include <ctype.h> -#include <errno.h> -#include <fcntl.h> -#include <netdb.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <signal.h> - -#if TIME_WITH_SYS_TIME -#include <time.h> -#endif - -#include <tqdir.h> - -#include <kdebug.h> -#include <klocale.h> -#include <kinstance.h> -#include <kmimemagic.h> -#include <kmimetype.h> -#include <ksockaddr.h> -#include <tdesocketaddress.h> -#include <kio/ioslave_defaults.h> -#include <kio/slaveconfig.h> -#include <kremoteencoding.h> -#include <klargefile.h> - -#ifdef HAVE_STRTOLL - #define charToLongLong(a) strtoll(a, 0, 10) -#else - #define charToLongLong(a) strtol(a, 0, 10) -#endif - -// JPF: a remark on coding style (2004-03-06): -// Some calls to TQString::fromLatin1() were removed from the code. In most places -// the KDE code relies on implicit creation of QStrings. Also Qt has a lot of -// const char* overloads, so that using TQString::fromLatin1() can be ineffectient! - -#define FTP_LOGIN "anonymous" -#define FTP_PASSWD "anonymous@" - -//#undef kdDebug -#define ENABLE_CAN_RESUME - -// JPF: somebody should find a better solution for this or move this to KIO -// JPF: anyhow, in KDE 3.2.0 I found diffent MAX_IPC_SIZE definitions! -namespace TDEIO { - enum buffersizes - { /** - * largest buffer size that should be used to transfer data between - * KIO slaves using the data() function - */ - maximumIpcSize = 32 * 1024, - /** - * this is a reasonable value for an initial read() that a KIO slave - * can do to obtain data via a slow network connection. - */ - initialIpcSize = 2 * 1024, - /** - * recommended size of a data block passed to findBufferFileType() - */ - mimimumMimeSize = 1024 - }; - - // JPF: this helper was derived from write_all in file.cc (FileProtocol). - static // JPF: in ftp.cc we make it static - /** - * This helper handles some special issues (blocking and interrupted - * system call) when writing to a file handle. - * - * @return 0 on success or an error code on failure (ERR_COULD_NOT_WRITE, - * ERR_DISK_FULL, ERR_CONNECTION_BROKEN). - */ - int WriteToFile(int fd, const char *buf, size_t len) - { - while (len > 0) - { // JPF: shouldn't there be a KDE_write? - ssize_t written = write(fd, buf, len); - if (written >= 0) - { buf += written; - len -= written; - continue; - } - switch(errno) - { case EINTR: continue; - case EPIPE: return ERR_CONNECTION_BROKEN; - case ENOSPC: return ERR_DISK_FULL; - default: return ERR_COULD_NOT_WRITE; - } - } - return 0; - } -} - -TDEIO::filesize_t Ftp::UnknownSize = (TDEIO::filesize_t)-1; - -using namespace TDEIO; - -extern "C" { KDE_EXPORT int kdemain(int argc, char **argv); } - -int kdemain( int argc, char **argv ) -{ - KLocale::setMainCatalogue("tdelibs"); - TDEInstance instance( "kio_ftp" ); - ( void ) TDEGlobal::locale(); - - kdDebug(7102) << "Starting " << getpid() << endl; - - if (argc != 4) - { - fprintf(stderr, "Usage: kio_ftp protocol domain-socket1 domain-socket2\n"); - exit(-1); - } - - Ftp slave(argv[2], argv[3]); - slave.dispatchLoop(); - - kdDebug(7102) << "Done" << endl; - return 0; -} - -//=============================================================================== -// FtpTextReader Read Text lines from a file (or socket) -//=============================================================================== - -void FtpTextReader::textClear() -{ m_iTextLine = m_iTextBuff = 0; - m_szText[0] = 0; - m_bTextEOF = m_bTextTruncated = false; -} - -int FtpTextReader::textRead(FtpSocket *pSock) -{ - // if we have still buffered data then move it to the left - char* pEOL; - if(m_iTextLine < m_iTextBuff) - { m_iTextBuff -= m_iTextLine; - memmove(m_szText, m_szText+m_iTextLine, m_iTextBuff); - pEOL = (char*)memchr(m_szText, '\n', m_iTextBuff); // have a complete line? - } - else - { m_iTextBuff = 0; - pEOL = NULL; - } - m_bTextEOF = m_bTextTruncated = false; - - // read data from the control socket until a complete line is read - int nBytes; - while(pEOL == NULL) - { - if(m_iTextBuff > textReadLimit) - { m_bTextTruncated = true; - m_iTextBuff = textReadLimit; - } - nBytes = pSock->read(m_szText+m_iTextBuff, sizeof(m_szText)-m_iTextBuff); - if(nBytes <= 0) - { - // This error can occur after the server closed the connection (after a timeout) - if(nBytes < 0) - pSock->debugMessage("textRead failed"); - m_bTextEOF = true; - pEOL = m_szText + m_iTextBuff; - } - else - { - m_iTextBuff += nBytes; - pEOL = (char*)memchr(m_szText, '\n', m_iTextBuff); - } - } - - nBytes = pEOL - m_szText; - m_iTextLine = nBytes + 1; - - if(nBytes > textReadLimit) - { m_bTextTruncated = true; - nBytes = textReadLimit; - } - if(nBytes && m_szText[nBytes-1] == '\r') - nBytes--; - m_szText[nBytes] = 0; - return nBytes; -} - -//=============================================================================== -// FtpSocket Helper Class for Data or Control Connections -//=============================================================================== -void FtpSocket::debugMessage(const char* pszMsg) const -{ - kdDebug(7102) << m_pszName << ": " << pszMsg << endl; -} - -int FtpSocket::errorMessage(int iErrorCode, const char* pszMsg) const -{ - kdError(7102) << m_pszName << ": " << pszMsg << endl; - return iErrorCode; -} - -int FtpSocket::connectSocket(int iTimeOutSec, bool bControl) -{ - closeSocket(); - - int iOpt = bControl ? KExtendedSocket::inetSocket - : KExtendedSocket::noResolve; - setSocketFlags(iOpt | socketFlags()); - setTimeout(iTimeOutSec); - - int iCon = KExtendedSocket::connect(); - if(iCon < 0) - { int iErrorCode = (status() == IO_LookupError) - ? ERR_UNKNOWN_HOST : ERR_COULD_NOT_CONNECT; - TQString strMsg = KExtendedSocket::strError(status(), systemError()); - strMsg.prepend("connect failed (code %1): "); - return errorMessage(iErrorCode, TQString(strMsg.arg(iCon)).latin1()); - } - if( !setAddressReusable(true) ) - return errorMessage(ERR_COULD_NOT_CREATE_SOCKET, "setAddressReusable failed"); - - if(!bControl) - { int on=1; - if( !setSocketOption(SO_KEEPALIVE, (char *)&on, sizeof(on)) ) - errorMessage(0, "Keepalive not allowed"); - - struct linger lng = { 1, 120 }; - if( !setSocketOption(SO_LINGER, (char *)&lng, sizeof (lng)) ) - errorMessage(0, "Linger mode was not allowed."); - } - - debugMessage("connected"); - return 0; -} - -void FtpSocket::closeSocket() -{ - if(m_server != -1 || fd() != -1) - debugMessage("disconnected"); - - if(m_server != -1) - { - ::shutdown(m_server, SHUT_RDWR); - ::close(m_server); - m_server = -1; - } - if(socketStatus() > nothing) - reset(); - textClear(); -} - -bool FtpSocket::setSocketOption(int opt, char*arg, socklen_t len) const -{ - return (setsockopt(sock(), SOL_SOCKET, opt, arg, len) != -1); -} - -//=============================================================================== -// Ftp -//=============================================================================== - -Ftp::Ftp( const TQCString &pool, const TQCString &app ) - : SlaveBase( "ftp", pool, app ) -{ - // init the socket data - m_data = m_control = NULL; - ftpCloseControlConnection(); - - // init other members - m_port = 0; - kdDebug(7102) << "Ftp::Ftp()" << endl; -} - - -Ftp::~Ftp() -{ - kdDebug(7102) << "Ftp::~Ftp()" << endl; - closeConnection(); -} - -/** - * This closes a data connection opened by ftpOpenDataConnection(). - */ -void Ftp::ftpCloseDataConnection() -{ - if(m_data != NULL) - { delete m_data; - m_data = NULL; - } -} - -/** - * This closes a control connection opened by ftpOpenControlConnection() and reinits the - * related states. This method gets called from the constructor with m_control = NULL. - */ -void Ftp::ftpCloseControlConnection() -{ - m_extControl = 0; - if(m_control) - delete m_control; - m_control = NULL; - m_cDataMode = 0; - m_bLoggedOn = false; // logon needs control connction - m_bTextMode = false; - m_bBusy = false; -} - -/** - * Returns the last response from the server (iOffset >= 0) -or- reads a new response - * (iOffset < 0). The result is returned (with iOffset chars skipped for iOffset > 0). - */ -const char* Ftp::ftpResponse(int iOffset) -{ - assert(m_control != NULL); // must have control connection socket - const char *pTxt = m_control->textLine(); - - // read the next line ... - if(iOffset < 0) - { - int iMore = 0; - m_iRespCode = 0; - - // If the server sends multiline responses "nnn-text" we loop here until - // a final "nnn text" line is reached. Only data from the final line will - // be stored. Some servers (OpenBSD) send a single "nnn-" followed by - // optional lines that start with a space and a final "nnn text" line. - do { - int nBytes = m_control->textRead(); - int iCode = atoi(pTxt); - if(iCode > 0) m_iRespCode = iCode; - - // ignore lines starting with a space in multiline response - if(iMore != 0 && pTxt[0] == 32) - ; - // otherwise the line should start with "nnn-" or "nnn " - else if(nBytes < 4 || iCode < 100) - iMore = 0; - // we got a valid line, now check for multiline responses ... - else if(iMore == 0 && pTxt[3] == '-') - iMore = iCode; - // "nnn " ends multiline mode ... - else if(iMore != 0 && (iMore != iCode || pTxt[3] != '-')) - iMore = 0; - - if(iMore != 0) - kdDebug(7102) << " > " << pTxt << endl; - } while(iMore != 0); - kdDebug(7102) << "resp> " << pTxt << endl; - - m_iRespType = (m_iRespCode > 0) ? m_iRespCode / 100 : 0; - } - - // return text with offset ... - while(iOffset-- > 0 && pTxt[0]) - pTxt++; - return pTxt; -} - - -void Ftp::closeConnection() -{ - if(m_control != NULL || m_data != NULL) - kdDebug(7102) << "Ftp::closeConnection m_bLoggedOn=" << m_bLoggedOn << " m_bBusy=" << m_bBusy << endl; - - if(m_bBusy) // ftpCloseCommand not called - { - kdWarning(7102) << "Ftp::closeConnection Abandoned data stream" << endl; - ftpCloseDataConnection(); - } - - if(m_bLoggedOn) // send quit - { - if( !ftpSendCmd( "quit", 0 ) || (m_iRespType != 2) ) - kdWarning(7102) << "Ftp::closeConnection QUIT returned error: " << m_iRespCode << endl; - } - - // close the data and control connections ... - ftpCloseDataConnection(); - ftpCloseControlConnection(); -} - -void Ftp::setHost( const TQString& _host, int _port, const TQString& _user, - const TQString& _pass ) -{ - kdDebug(7102) << "Ftp::setHost (" << getpid() << "): " << _host << endl; - - m_proxyURL = metaData("UseProxy"); - m_bUseProxy = (m_proxyURL.isValid() && m_proxyURL.protocol() == "ftp"); - - if ( m_host != _host || m_port != _port || - m_user != _user || m_pass != _pass ) - closeConnection(); - - m_host = _host; - m_port = _port; - m_user = _user; - m_pass = _pass; -} - -void Ftp::openConnection() -{ - ftpOpenConnection(loginExplicit); -} - -bool Ftp::ftpOpenConnection (LoginMode loginMode) -{ - // check for implicit login if we are already logged on ... - if(loginMode == loginImplicit && m_bLoggedOn) - { - assert(m_control != NULL); // must have control connection socket - return true; - } - - kdDebug(7102) << "ftpOpenConnection " << m_host << ":" << m_port << " " - << m_user << " [password hidden]" << endl; - - infoMessage( i18n("Opening connection to host %1").arg(m_host) ); - - if ( m_host.isEmpty() ) - { - error( ERR_UNKNOWN_HOST, TQString::null ); - return false; - } - - assert( !m_bLoggedOn ); - - m_initialPath = TQString::null; - m_currentPath = TQString::null; - - TQString host = m_bUseProxy ? m_proxyURL.host() : m_host; - unsigned short int port = m_bUseProxy ? m_proxyURL.port() : m_port; - - if (!ftpOpenControlConnection(host, port) ) - return false; // error emitted by ftpOpenControlConnection - infoMessage( i18n("Connected to host %1").arg(m_host) ); - - if(loginMode != loginDefered) - { - m_bLoggedOn = ftpLogin(); - if( !m_bLoggedOn ) - return false; // error emitted by ftpLogin - } - - m_bTextMode = config()->readBoolEntry("textmode", false); - connected(); - return true; -} - - -/** - * Called by @ref openConnection. It opens the control connection to the ftp server. - * - * @return true on success. - */ -bool Ftp::ftpOpenControlConnection( const TQString &host, unsigned short int port ) -{ - if ( port == 0 ) { - struct servent *pse; - if ( ( pse = getservbyname( "ftp", "tcp" ) ) == NULL ) - port = 21; - else - port = ntohs(pse->s_port); - } - - // implicitly close, then try to open a new connection ... - closeConnection(); - int iErrorCode = ERR_OUT_OF_MEMORY; - TQString sErrorMsg; - m_control = new FtpSocket("CNTL"); - if(m_control != NULL) - { - // now connect to the server and read the login message ... - m_control->setAddress(host, port); - iErrorCode = m_control->connectSocket(connectTimeout(), true); - sErrorMsg = host; - - // on connect success try to read the server message... - if(iErrorCode == 0) - { - const char* psz = ftpResponse(-1); - if(m_iRespType != 2) - { // login not successful, do we have an message text? - if(psz[0]) - sErrorMsg = i18n("%1.\n\nReason: %2").arg(host).arg(psz); - iErrorCode = ERR_COULD_NOT_CONNECT; - } - } - } - - // if there was a problem - report it ... - if(iErrorCode == 0) // OK, return success - return true; - closeConnection(); // clean-up on error - error(iErrorCode, sErrorMsg); - return false; -} - -/** - * Called by @ref openConnection. It logs us in. - * @ref m_initialPath is set to the current working directory - * if logging on was successful. - * - * @return true on success. - */ -bool Ftp::ftpLogin() -{ - infoMessage( i18n("Sending login information") ); - - assert( !m_bLoggedOn ); - - TQString user = m_user; - TQString pass = m_pass; - - if ( config()->readBoolEntry("EnableAutoLogin") ) - { - TQString au = config()->readEntry("autoLoginUser"); - if ( !au.isEmpty() ) - { - user = au; - pass = config()->readEntry("autoLoginPass"); - } - } - - // Try anonymous login if both username/password - // information is blank. - if (user.isEmpty() && pass.isEmpty()) - { - user = FTP_LOGIN; - pass = FTP_PASSWD; - } - - AuthInfo info; - info.url.setProtocol( "ftp" ); - info.url.setHost( m_host ); - info.url.setPort( m_port ); - info.url.setUser( user ); - - TQCString tempbuf; - int failedAuth = 0; - - do - { - // Check the cache and/or prompt user for password if 1st - // login attempt failed OR the user supplied a login name, - // but no password. - if ( failedAuth > 0 || (!user.isEmpty() && pass.isEmpty()) ) - { - TQString errorMsg; - kdDebug(7102) << "Prompting user for login info..." << endl; - - // Ask user if we should retry after when login fails! - if( failedAuth > 0 ) - { - errorMsg = i18n("Message sent:\nLogin using username=%1 and " - "password=[hidden]\n\nServer replied:\n%2\n\n" - ).arg(user).arg(ftpResponse(0)); - } - - if ( user != FTP_LOGIN ) - info.username = user; - - info.prompt = i18n("You need to supply a username and a password " - "to access this site."); - info.commentLabel = i18n( "Site:" ); - info.comment = i18n("<b>%1</b>").arg( m_host ); - info.keepPassword = true; // Prompt the user for persistence as well. - info.readOnly = (!m_user.isEmpty() && m_user != FTP_LOGIN); - - bool disablePassDlg = config()->readBoolEntry( "DisablePassDlg", false ); - if ( disablePassDlg || !openPassDlg( info, errorMsg ) ) - { - error( ERR_USER_CANCELED, m_host ); - return false; - } - else - { - user = info.username; - pass = info.password; - } - } - - tempbuf = "USER "; - tempbuf += user.latin1(); - if ( m_bUseProxy ) - { - tempbuf += '@'; - tempbuf += m_host.latin1(); - if ( m_port > 0 && m_port != DEFAULT_FTP_PORT ) - { - tempbuf += ':'; - tempbuf += TQString::number(m_port).latin1(); - } - } - - kdDebug(7102) << "Sending Login name: " << tempbuf << endl; - - bool loggedIn = ( ftpSendCmd(tempbuf) && (m_iRespCode == 230) ); - bool needPass = (m_iRespCode == 331); - // Prompt user for login info if we do not - // get back a "230" or "331". - if ( !loggedIn && !needPass ) - { - kdDebug(7102) << "Login failed: " << ftpResponse(0) << endl; - ++failedAuth; - continue; // Well we failed, prompt the user please!! - } - - if( needPass ) - { - tempbuf = "pass "; - tempbuf += pass.latin1(); - kdDebug(7102) << "Sending Login password: " << "[protected]" << endl; - loggedIn = ( ftpSendCmd(tempbuf) && (m_iRespCode == 230) ); - } - - if ( loggedIn ) - { - // Do not cache the default login!! - if( user != FTP_LOGIN && pass != FTP_PASSWD ) - cacheAuthentication( info ); - failedAuth = -1; - } - - } while( ++failedAuth ); - - - kdDebug(7102) << "Login OK" << endl; - infoMessage( i18n("Login OK") ); - - // Okay, we're logged in. If this is IIS 4, switch dir listing style to Unix: - // Thanks to jk@soegaard.net (Jens Kristian Søgaard) for this hint - if( ftpSendCmd("SYST") && (m_iRespType == 2) ) - { - if( !strncmp( ftpResponse(0), "215 Windows_NT", 14 ) ) // should do for any version - { - ftpSendCmd( "site dirstyle" ); - // Check if it was already in Unix style - // Patch from Keith Refson <Keith.Refson@earth.ox.ac.uk> - if( !strncmp( ftpResponse(0), "200 MSDOS-like directory output is on", 37 )) - //It was in Unix style already! - ftpSendCmd( "site dirstyle" ); - // windows won't support chmod before KDE konquers their desktop... - m_extControl |= chmodUnknown; - } - } - else - kdWarning(7102) << "SYST failed" << endl; - - if ( config()->readBoolEntry ("EnableAutoLoginMacro") ) - ftpAutoLoginMacro (); - - // Get the current working directory - kdDebug(7102) << "Searching for pwd" << endl; - if( !ftpSendCmd("PWD") || (m_iRespType != 2) ) - { - kdDebug(7102) << "Couldn't issue pwd command" << endl; - error( ERR_COULD_NOT_LOGIN, i18n("Could not login to %1.").arg(m_host) ); // or anything better ? - return false; - } - - TQString sTmp = remoteEncoding()->decode( ftpResponse(3) ); - int iBeg = sTmp.find('"'); - int iEnd = sTmp.findRev('"'); - if(iBeg > 0 && iBeg < iEnd) - { - m_initialPath = sTmp.mid(iBeg+1, iEnd-iBeg-1); - if(m_initialPath[0] != '/') m_initialPath.prepend('/'); - kdDebug(7102) << "Initial path set to: " << m_initialPath << endl; - m_currentPath = m_initialPath; - } - return true; -} - -void Ftp::ftpAutoLoginMacro () -{ - TQString macro = metaData( "autoLoginMacro" ); - - if ( macro.isEmpty() ) - return; - - TQStringList list = TQStringList::split('\n', macro); - - for(TQStringList::Iterator it = list.begin() ; it != list.end() ; ++it ) - { - if ( (*it).startsWith("init") ) - { - list = TQStringList::split( '\\', macro); - it = list.begin(); - ++it; // ignore the macro name - - for( ; it != list.end() ; ++it ) - { - // TODO: Add support for arbitrary commands - // besides simply changing directory!! - if ( (*it).startsWith( "cwd" ) ) - ftpFolder( (*it).mid(4).stripWhiteSpace(), false ); - } - - break; - } - } -} - - -/** - * ftpSendCmd - send a command (@p cmd) and read response - * - * @param maxretries number of time it should retry. Since it recursively - * calls itself if it can't read the answer (this happens especially after - * timeouts), we need to limit the recursiveness ;-) - * - * return true if any response received, false on error - */ -bool Ftp::ftpSendCmd( const TQCString& cmd, int maxretries ) -{ - assert(m_control != NULL); // must have control connection socket - - if ( cmd.find( '\r' ) != -1 || cmd.find( '\n' ) != -1) - { - kdWarning(7102) << "Invalid command received (contains CR or LF):" - << cmd.data() << endl; - error( ERR_UNSUPPORTED_ACTION, m_host ); - return false; - } - - // Don't print out the password... - bool isPassCmd = (cmd.left(4).lower() == "pass"); - if ( !isPassCmd ) - kdDebug(7102) << "send> " << cmd.data() << endl; - else - kdDebug(7102) << "send> pass [protected]" << endl; - - // Send the message... - TQCString buf = cmd; - buf += "\r\n"; // Yes, must use CR/LF - see http://cr.yp.to/ftp/request.html - int num = m_control->write(buf.data(), buf.length()); - - // If we were able to successfully send the command, then we will - // attempt to read the response. Otherwise, take action to re-attempt - // the login based on the maximum number of retires specified... - if( num > 0 ) - ftpResponse(-1); - else - { m_iRespType = m_iRespCode = 0; - m_control->textClear(); - } - - // If respCh is NULL or the response is 421 (Timed-out), we try to re-send - // the command based on the value of maxretries. - if( (m_iRespType <= 0) || (m_iRespCode == 421) ) - { - // We have not yet logged on... - if (!m_bLoggedOn) - { - // The command was sent from the ftpLogin function, i.e. we are actually - // attempting to login in. NOTE: If we already sent the username, we - // return false and let the user decide whether (s)he wants to start from - // the beginning... - if (maxretries > 0 && !isPassCmd) - { - closeConnection (); - if( ftpOpenConnection(loginDefered) ) - ftpSendCmd ( cmd, maxretries - 1 ); - } - - return false; - } - else - { - if ( maxretries < 1 ) - return false; - else - { - kdDebug(7102) << "Was not able to communicate with " << m_host << endl - << "Attempting to re-establish connection." << endl; - - closeConnection(); // Close the old connection... - openConnection(); // Attempt to re-establish a new connection... - - if (!m_bLoggedOn) - { - if (m_control != NULL) // if openConnection succeeded ... - { - kdDebug(7102) << "Login failure, aborting" << endl; - error (ERR_COULD_NOT_LOGIN, m_host); - closeConnection (); - } - return false; - } - - kdDebug(7102) << "Logged back in, re-issuing command" << endl; - - // If we were able to login, resend the command... - if (maxretries) - maxretries--; - - return ftpSendCmd( cmd, maxretries ); - } - } - } - - return true; -} - -/* - * ftpOpenPASVDataConnection - set up data connection, using PASV mode - * - * return 1 if successful, 0 otherwise - * doesn't set error message, since non-pasv mode will always be tried if - * this one fails - */ -int Ftp::ftpOpenPASVDataConnection() -{ - assert(m_control != NULL); // must have control connection socket - assert(m_data == NULL); // ... but no data connection - - // Check that we can do PASV - const TDESocketAddress *sa = m_control->peerAddress(); - if (sa != NULL && sa->family() != PF_INET) - return ERR_INTERNAL; // no PASV for non-PF_INET connections - - const KInetSocketAddress *sin = static_cast<const KInetSocketAddress*>(sa); - - if (m_extControl & pasvUnknown) - return ERR_INTERNAL; // already tried and got "unknown command" - - m_bPasv = true; - - /* Let's PASsiVe*/ - if( !ftpSendCmd("PASV") || (m_iRespType != 2) ) - { - kdDebug(7102) << "PASV attempt failed" << endl; - // unknown command? - if( m_iRespType == 5 ) - { - kdDebug(7102) << "disabling use of PASV" << endl; - m_extControl |= pasvUnknown; - } - return ERR_INTERNAL; - } - - // The usual answer is '227 Entering Passive Mode. (160,39,200,55,6,245)' - // but anonftpd gives '227 =160,39,200,55,6,245' - int i[6]; - const char *start = strchr(ftpResponse(3), '('); - if ( !start ) - start = strchr(ftpResponse(3), '='); - if ( !start || - ( sscanf(start, "(%d,%d,%d,%d,%d,%d)",&i[0], &i[1], &i[2], &i[3], &i[4], &i[5]) != 6 && - sscanf(start, "=%d,%d,%d,%d,%d,%d", &i[0], &i[1], &i[2], &i[3], &i[4], &i[5]) != 6 ) ) - { - kdError(7102) << "parsing IP and port numbers failed. String parsed: " << start << endl; - return ERR_INTERNAL; - } - - // Make hostname and port number ... - int port = i[4] << 8 | i[5]; - - // we ignore the host part on purpose for two reasons - // a) it might be wrong anyway - // b) it would make us being suceptible to a port scanning attack - - // now connect the data socket ... - m_data = new FtpSocket("PASV"); - m_data->setAddress(sin->nodeName(), port); - - kdDebug(7102) << "Connecting to " << sin->nodeName() << " on port " << port << endl; - return m_data->connectSocket(connectTimeout(), false); -} - -/* - * ftpOpenEPSVDataConnection - opens a data connection via EPSV - */ -int Ftp::ftpOpenEPSVDataConnection() -{ - assert(m_control != NULL); // must have control connection socket - assert(m_data == NULL); // ... but no data connection - - const TDESocketAddress *sa = m_control->peerAddress(); - int portnum; - // we are sure sa is a KInetSocketAddress, because we asked for KExtendedSocket::inetSocket - // when we connected - const KInetSocketAddress *sin = static_cast<const KInetSocketAddress*>(sa); - - if (m_extControl & epsvUnknown || sa == NULL) - return ERR_INTERNAL; - - m_bPasv = true; - if( !ftpSendCmd("EPSV") || (m_iRespType != 2) ) - { - // unknown command? - if( m_iRespType == 5 ) - { - kdDebug(7102) << "disabling use of EPSV" << endl; - m_extControl |= epsvUnknown; - } - return ERR_INTERNAL; - } - - const char *start = strchr(ftpResponse(3), '|'); - if ( !start || sscanf(start, "|||%d|", &portnum) != 1) - return ERR_INTERNAL; - - m_data = new FtpSocket("EPSV"); - m_data->setAddress(sin->nodeName(), portnum); - return m_data->connectSocket(connectTimeout(), false) != 0; -} - -/* - * ftpOpenEPRTDataConnection - * @return 0 on success, ERR_INTERNAL if mode not acceptable -or- a fatal error code - */ -int Ftp::ftpOpenEPRTDataConnection() -{ - assert(m_control != NULL); // must have control connection socket - assert(m_data == NULL); // ... but no data connection - - // yes, we are sure this is a KInetSocketAddress - const KInetSocketAddress *sin = static_cast<const KInetSocketAddress*>(m_control->localAddress()); - m_bPasv = false; - if (m_extControl & eprtUnknown || sin == NULL) - return ERR_INTERNAL; - - m_data = new FtpSocket("EPRT"); - m_data->setHost(sin->nodeName()); - m_data->setPort(0); // setting port to 0 will make us bind to a random, free port - m_data->setSocketFlags(KExtendedSocket::noResolve | KExtendedSocket::passiveSocket | - KExtendedSocket::inetSocket); - - if (m_data->listen(1) < 0) - return ERR_COULD_NOT_LISTEN; - - sin = static_cast<const KInetSocketAddress*>(m_data->localAddress()); - if (sin == NULL) - return ERR_INTERNAL; - - // TQString command = TQString::fromLatin1("eprt |%1|%2|%3|").arg(sin->ianaFamily()) - // .arg(sin->nodeName()) - // .arg(sin->port()); - TQCString command; - command.sprintf("eprt |%d|%s|%d|", sin->ianaFamily(), - sin->nodeName().latin1(), sin->port()); - - // FIXME! Encoding for hostnames? - if( ftpSendCmd(command) && (m_iRespType == 2) ) - return 0; - - // unknown command? - if( m_iRespType == 5 ) - { - kdDebug(7102) << "disabling use of EPRT" << endl; - m_extControl |= eprtUnknown; - } - return ERR_INTERNAL; -} - -/* - * ftpOpenDataConnection - set up data connection - * - * The routine calls several ftpOpenXxxxConnection() helpers to find - * the best connection mode. If a helper cannot connect if returns - * ERR_INTERNAL - so this is not really an error! All other error - * codes are treated as fatal, e.g. they are passed back to the caller - * who is responsible for calling error(). ftpOpenPortDataConnection - * can be called as last try and it does never return ERR_INTERNAL. - * - * @return 0 if successful, err code otherwise - */ -int Ftp::ftpOpenDataConnection() -{ - // make sure that we are logged on and have no data connection... - assert( m_bLoggedOn ); - ftpCloseDataConnection(); - - int iErrCode = 0; - int iErrCodePASV = 0; // Remember error code from PASV - - // First try passive (EPSV & PASV) modes - if( !config()->readBoolEntry("DisablePassiveMode", false) ) - { - iErrCode = ftpOpenPASVDataConnection(); - if(iErrCode == 0) - return 0; // success - iErrCodePASV = iErrCode; - ftpCloseDataConnection(); - - if( !config()->readBoolEntry("DisableEPSV", false) ) - { - iErrCode = ftpOpenEPSVDataConnection(); - if(iErrCode == 0) - return 0; // success - ftpCloseDataConnection(); - } - - // if we sent EPSV ALL already and it was accepted, then we can't - // use active connections any more - if (m_extControl & epsvAllSent) - return iErrCodePASV ? iErrCodePASV : iErrCode; - } - - if( !config()->readBoolEntry("DisableEPRT", false) ) - { - iErrCode = ftpOpenEPRTDataConnection(); - if(iErrCode == 0) - return 0; // success - ftpCloseDataConnection(); - } - - // fall back to port mode - iErrCode = ftpOpenPortDataConnection(); - if(iErrCode == 0) - return 0; // success - - ftpCloseDataConnection(); - // prefer to return the error code from PASV if any, since that's what should have worked in the first place - return iErrCodePASV ? iErrCodePASV : iErrCode; -} - -/* - * ftpOpenPortDataConnection - set up data connection - * - * @return 0 if successfull, err code otherwise (but never ERR_INTERNAL - * because this is the last connection mode that is tried) - */ -int Ftp::ftpOpenPortDataConnection() -{ - assert(m_control != NULL); // must have control connection socket - assert(m_data == NULL); // ... but no data connection - - m_bPasv = false; - - // create a socket, bind it and let it listen ... - m_data = new FtpSocket("PORT"); - m_data->setSocketFlags(KExtendedSocket::noResolve | KExtendedSocket::passiveSocket | - KExtendedSocket::inetSocket); - - // yes, we are sure this is a KInetSocketAddress - const KInetSocketAddress* pAddr = static_cast<const KInetSocketAddress*>(m_control->localAddress()); - m_data->setAddress(pAddr->nodeName(), "0"); - m_data->setAddressReusable(true); - - if(m_data->listen(1) < 0) - return ERR_COULD_NOT_LISTEN; - struct linger lng = { 0, 0 }; - if ( !m_data->setSocketOption(SO_LINGER, (char*)&lng, sizeof(lng)) ) - return ERR_COULD_NOT_CREATE_SOCKET; - - // send the PORT command ... - pAddr = static_cast<const KInetSocketAddress*>(m_data->localAddress()); - struct sockaddr* psa = (struct sockaddr*)pAddr->addressV4(); - unsigned char* pData = (unsigned char*)(psa->sa_data); - TQCString portCmd; - portCmd.sprintf("port %d,%d,%d,%d,%d,%d", - pData[2], pData[3], pData[4], pData[5], pData[0], pData[1]); - if( ftpSendCmd(portCmd) && (m_iRespType == 2) ) - return 0; - return ERR_COULD_NOT_CONNECT; -} - -/* - * ftpAcceptConnect - wait for incoming connection - * Used by @ref ftpOpenCommand - * - * return false on error or timeout - */ -int Ftp::ftpAcceptConnect() -{ - assert(m_data != NULL); - - if ( m_bPasv ) - { - m_data->setServer(-1); - return true; - } - - int sSock = m_data->fd(); - struct sockaddr addr; - for(;;) - { - fd_set mask; - FD_ZERO(&mask); - FD_SET(sSock,&mask); - int r = KSocks::self()->select(sSock + 1, &mask, NULL, NULL, 0L); - if( r < 0 && errno != EINTR && errno != EAGAIN ) - continue; - if( r > 0 ) - break; - } - - ksocklen_t l = sizeof(addr); - m_data->setServer( KSocks::self()->accept(sSock, &addr, &l) ); - return (m_data->server() != -1); -} - -bool Ftp::ftpOpenCommand( const char *_command, const TQString & _path, char _mode, - int errorcode, TDEIO::fileoffset_t _offset ) -{ - int errCode = 0; - if( !ftpDataMode(_mode) ) - errCode = ERR_COULD_NOT_CONNECT; - else - errCode = ftpOpenDataConnection(); - - if(errCode != 0) - { - error(errCode, m_host); - return false; - } - - if ( _offset > 0 ) { - // send rest command if offset > 0, this applies to retr and stor commands - char buf[100]; - sprintf(buf, "rest %lld", _offset); - if ( !ftpSendCmd( buf ) ) - return false; - if( m_iRespType != 3 ) - { - error( ERR_CANNOT_RESUME, _path ); // should never happen - return false; - } - } - - TQCString tmp = _command; - TQString errormessage; - - if ( !_path.isEmpty() ) { - tmp += " "; - tmp += remoteEncoding()->encode(_path); - } - - if( !ftpSendCmd( tmp ) || (m_iRespType != 1) ) - { - if( _offset > 0 && strcmp(_command, "retr") == 0 && (m_iRespType == 4) ) - errorcode = ERR_CANNOT_RESUME; - // The error here depends on the command - errormessage = _path; - } - - else - { - // Only now we know for sure that we can resume - if ( _offset > 0 && strcmp(_command, "retr") == 0 ) - canResume(); - - if( ftpAcceptConnect() ) - { m_bBusy = true; // cleared in ftpCloseCommand - return true; - } - errorcode = ERR_COULD_NOT_ACCEPT; - } - - error(errorcode, errormessage); - return false; -} - - -bool Ftp::ftpCloseCommand() -{ - // first close data sockets (if opened), then read response that - // we got for whatever was used in ftpOpenCommand ( should be 226 ) - if(m_data) - { - delete m_data; - m_data = NULL; - } - if(!m_bBusy) - return true; - - kdDebug(7102) << "ftpCloseCommand: reading command result" << endl; - m_bBusy = false; - - if(!ftpResponse(-1) || (m_iRespType != 2) ) - { - kdDebug(7102) << "ftpCloseCommand: no transfer complete message" << endl; - return false; - } - return true; -} - -void Ftp::mkdir( const KURL & url, int permissions ) -{ - if( !ftpOpenConnection(loginImplicit) ) - return; - - TQString path = remoteEncoding()->encode(url); - TQCString buf = "mkd "; - buf += remoteEncoding()->encode(path); - - if( !ftpSendCmd( buf ) || (m_iRespType != 2) ) - { - TQString currentPath( m_currentPath ); - - // Check whether or not mkdir failed because - // the directory already exists... - if( ftpFolder( path, false ) ) - { - error( ERR_DIR_ALREADY_EXIST, path ); - // Change the directory back to what it was... - (void) ftpFolder( currentPath, false ); - return; - } - - error( ERR_COULD_NOT_MKDIR, path ); - return; - } - - if ( permissions != -1 ) - { - // chmod the dir we just created, ignoring errors. - (void) ftpChmod( path, permissions ); - } - - finished(); -} - -void Ftp::rename( const KURL& src, const KURL& dst, bool overwrite ) -{ - if( !ftpOpenConnection(loginImplicit) ) - return; - - // The actual functionality is in ftpRename because put needs it - if ( ftpRename( src.path(), dst.path(), overwrite ) ) - finished(); - else - error( ERR_CANNOT_RENAME, src.path() ); -} - -bool Ftp::ftpRename( const TQString & src, const TQString & dst, bool overwrite ) -{ - assert( m_bLoggedOn ); - - // Must check if dst already exists, RNFR+RNTO overwrites by default (#127793). - if (!overwrite) { - if (ftpSize(dst, 'I')) { - error(ERR_FILE_ALREADY_EXIST, dst); - return false; - } - } - if (ftpFolder(dst, false)) { - error(ERR_DIR_ALREADY_EXIST, dst); - return false; - } - - // Must check if dst already exists, RNFR+RNTO overwrites by default (#127793). - if (ftpFileExists(dst)) { - error(ERR_FILE_ALREADY_EXIST, dst); - return false; - } - if (ftpFolder(dst, false)) { - error(ERR_DIR_ALREADY_EXIST, dst); - return false; - } - - int pos = src.findRev("/"); - if( !ftpFolder(src.left(pos+1), false) ) - return false; - - TQCString from_cmd = "RNFR "; - from_cmd += remoteEncoding()->encode(src.mid(pos+1)); - if( !ftpSendCmd( from_cmd ) || (m_iRespType != 3) ) - return false; - - TQCString to_cmd = "RNTO "; - to_cmd += remoteEncoding()->encode(dst); - if( !ftpSendCmd( to_cmd ) || (m_iRespType != 2) ) - return false; - - return true; -} - -void Ftp::del( const KURL& url, bool isfile ) -{ - if( !ftpOpenConnection(loginImplicit) ) - return; - - // When deleting a directory, we must exit from it first - // The last command probably went into it (to stat it) - if ( !isfile ) - ftpFolder(remoteEncoding()->directory(url), false); // ignore errors - - TQCString cmd = isfile ? "DELE " : "RMD "; - cmd += remoteEncoding()->encode(url); - - if( !ftpSendCmd( cmd ) || (m_iRespType != 2) ) - error( ERR_CANNOT_DELETE, url.path() ); - else - finished(); -} - -bool Ftp::ftpChmod( const TQString & path, int permissions ) -{ - assert( m_bLoggedOn ); - - if(m_extControl & chmodUnknown) // previous errors? - return false; - - // we need to do bit AND 777 to get permissions, in case - // we were sent a full mode (unlikely) - TQCString cmd; - cmd.sprintf("SITE CHMOD %o ", permissions & 511 ); - cmd += remoteEncoding()->encode(path); - - ftpSendCmd(cmd); - if(m_iRespType == 2) - return true; - - if(m_iRespCode == 500) - { - m_extControl |= chmodUnknown; - kdDebug(7102) << "ftpChmod: CHMOD not supported - disabling"; - } - return false; -} - -void Ftp::chmod( const KURL & url, int permissions ) -{ - if( !ftpOpenConnection(loginImplicit) ) - return; - - if ( !ftpChmod( url.path(), permissions ) ) - error( ERR_CANNOT_CHMOD, url.path() ); - else - finished(); -} - -void Ftp::ftpCreateUDSEntry( const TQString & filename, FtpEntry& ftpEnt, UDSEntry& entry, bool isDir ) -{ - assert(entry.count() == 0); // by contract :-) - UDSAtom atom; - atom.m_uds = UDS_NAME; - atom.m_str = filename; - entry.append( atom ); - - atom.m_uds = UDS_SIZE; - atom.m_long = ftpEnt.size; - entry.append( atom ); - - atom.m_uds = UDS_MODIFICATION_TIME; - atom.m_long = ftpEnt.date; - entry.append( atom ); - - atom.m_uds = UDS_ACCESS; - atom.m_long = ftpEnt.access; - entry.append( atom ); - - atom.m_uds = UDS_USER; - atom.m_str = ftpEnt.owner; - entry.append( atom ); - - if ( !ftpEnt.group.isEmpty() ) - { - atom.m_uds = UDS_GROUP; - atom.m_str = ftpEnt.group; - entry.append( atom ); - } - - if ( !ftpEnt.link.isEmpty() ) - { - atom.m_uds = UDS_LINK_DEST; - atom.m_str = ftpEnt.link; - entry.append( atom ); - - KMimeType::Ptr mime = KMimeType::findByURL( KURL("ftp://host/" + filename ) ); - // Links on ftp sites are often links to dirs, and we have no way to check - // that. Let's do like Netscape : assume dirs generally. - // But we do this only when the mimetype can't be known from the filename. - // --> we do better than Netscape :-) - if ( mime->name() == KMimeType::defaultMimeType() ) - { - kdDebug(7102) << "Setting guessed mime type to inode/directory for " << filename << endl; - atom.m_uds = UDS_GUESSED_MIME_TYPE; - atom.m_str = "inode/directory"; - entry.append( atom ); - isDir = true; - } - } - - atom.m_uds = UDS_FILE_TYPE; - atom.m_long = isDir ? S_IFDIR : ftpEnt.type; - entry.append( atom ); - - /* atom.m_uds = UDS_ACCESS_TIME; - atom.m_long = buff.st_atime; - entry.append( atom ); - - atom.m_uds = UDS_CREATION_TIME; - atom.m_long = buff.st_ctime; - entry.append( atom ); */ -} - - -void Ftp::ftpShortStatAnswer( const TQString& filename, bool isDir ) -{ - UDSEntry entry; - UDSAtom atom; - - atom.m_uds = TDEIO::UDS_NAME; - atom.m_str = filename; - entry.append( atom ); - - atom.m_uds = TDEIO::UDS_FILE_TYPE; - atom.m_long = isDir ? S_IFDIR : S_IFREG; - entry.append( atom ); - - atom.m_uds = TDEIO::UDS_ACCESS; - atom.m_long = S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; - entry.append( atom ); - - // No details about size, ownership, group, etc. - - statEntry(entry); - finished(); -} - -void Ftp::ftpStatAnswerNotFound( const TQString & path, const TQString & filename ) -{ - // Only do the 'hack' below if we want to download an existing file (i.e. when looking at the "source") - // When e.g. uploading a file, we still need stat() to return "not found" - // when the file doesn't exist. - TQString statSide = metaData("statSide"); - kdDebug(7102) << "Ftp::stat statSide=" << statSide << endl; - if ( statSide == "source" ) - { - kdDebug(7102) << "Not found, but assuming found, because some servers don't allow listing" << endl; - // MS Server is incapable of handling "list <blah>" in a case insensitive way - // But "retr <blah>" works. So lie in stat(), to get going... - // - // There's also the case of ftp://ftp2.3ddownloads.com/90380/linuxgames/loki/patches/ut/ut-patch-436.run - // where listing permissions are denied, but downloading is still possible. - ftpShortStatAnswer( filename, false /*file, not dir*/ ); - - return; - } - - error( ERR_DOES_NOT_EXIST, path ); -} - -void Ftp::stat( const KURL &url) -{ - kdDebug(7102) << "Ftp::stat : path='" << url.path() << "'" << endl; - if( !ftpOpenConnection(loginImplicit) ) - return; - - TQString path = TQDir::cleanDirPath( url.path() ); - kdDebug(7102) << "Ftp::stat : cleaned path='" << path << "'" << endl; - - // We can't stat root, but we know it's a dir. - if( path.isEmpty() || path == "/" ) - { - UDSEntry entry; - UDSAtom atom; - - atom.m_uds = TDEIO::UDS_NAME; - atom.m_str = TQString::null; - entry.append( atom ); - - atom.m_uds = TDEIO::UDS_FILE_TYPE; - atom.m_long = S_IFDIR; - entry.append( atom ); - - atom.m_uds = TDEIO::UDS_ACCESS; - atom.m_long = S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; - entry.append( atom ); - - atom.m_uds = TDEIO::UDS_USER; - atom.m_str = "root"; - entry.append( atom ); - atom.m_uds = TDEIO::UDS_GROUP; - entry.append( atom ); - - // no size - - statEntry( entry ); - finished(); - return; - } - - KURL tempurl( url ); - tempurl.setPath( path ); // take the clean one - TQString listarg; // = tempurl.directory(false /*keep trailing slash*/); - TQString parentDir; - TQString filename = tempurl.fileName(); - Q_ASSERT(!filename.isEmpty()); - TQString search = filename; - - // Try cwd into it, if it works it's a dir (and then we'll list the parent directory to get more info) - // if it doesn't work, it's a file (and then we'll use dir filename) - bool isDir = ftpFolder(path, false); - - // if we're only interested in "file or directory", we should stop here - TQString sDetails = metaData("details"); - int details = sDetails.isEmpty() ? 2 : sDetails.toInt(); - kdDebug(7102) << "Ftp::stat details=" << details << endl; - if ( details == 0 ) - { - if ( !isDir && !ftpSize( path, 'I' ) ) // ok, not a dir -> is it a file ? - { // no -> it doesn't exist at all - ftpStatAnswerNotFound( path, filename ); - return; - } - ftpShortStatAnswer( filename, isDir ); // successfully found a dir or a file -> done - return; - } - - if (!isDir) - { - // It is a file or it doesn't exist, try going to parent directory - parentDir = tempurl.directory(false /*keep trailing slash*/); - // With files we can do "LIST <filename>" to avoid listing the whole dir - listarg = filename; - } - else - { - // --- New implementation: - // Don't list the parent dir. Too slow, might not show it, etc. - // Just return that it's a dir. - UDSEntry entry; - UDSAtom atom; - - atom.m_uds = TDEIO::UDS_NAME; - atom.m_str = filename; - entry.append( atom ); - - atom.m_uds = TDEIO::UDS_FILE_TYPE; - atom.m_long = S_IFDIR; - entry.append( atom ); - - atom.m_uds = TDEIO::UDS_ACCESS; - atom.m_long = S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH; - entry.append( atom ); - - // No clue about size, ownership, group, etc. - - statEntry(entry); - finished(); - return; - - // --- Old implementation: -#if 0 - // It's a dir, remember that - // Reason: it could be a symlink to a dir, in which case ftpReadDir - // in the parent dir will have no idea about that. But we know better. - isDir = true; - // If the dir starts with '.', we'll need '-a' to see it in the listing. - if ( search[0] == '.' ) - listarg = "-a"; - parentDir = ".."; -#endif - } - - // Now cwd the parent dir, to prepare for listing - if( !ftpFolder(parentDir, true) ) - return; - - if( !ftpOpenCommand( "list", listarg, 'I', ERR_DOES_NOT_EXIST ) ) - { - kdError(7102) << "COULD NOT LIST" << endl; - return; - } - kdDebug(7102) << "Starting of list was ok" << endl; - - Q_ASSERT( !search.isEmpty() && search != "/" ); - - bool bFound = false; - KURL linkURL; - FtpEntry ftpEnt; - while( ftpReadDir(ftpEnt) ) - { - // We look for search or filename, since some servers (e.g. ftp.tuwien.ac.at) - // return only the filename when doing "dir /full/path/to/file" - if ( !bFound ) - { - if ( ( search == ftpEnt.name || filename == ftpEnt.name ) ) { - if ( !filename.isEmpty() ) { - bFound = true; - UDSEntry entry; - ftpCreateUDSEntry( filename, ftpEnt, entry, isDir ); - statEntry( entry ); - } - } else if ( isDir && ( ftpEnt.name == listarg || ftpEnt.name+'/' == listarg ) ) { - // Damn, the dir we're trying to list is in fact a symlink - // Follow it and try again - if ( ftpEnt.link.isEmpty() ) - kdWarning(7102) << "Got " << listarg << " as answer, but empty link!" << endl; - else - { - linkURL = url; - kdDebug(7102) << "ftpEnt.link=" << ftpEnt.link << endl; - if ( ftpEnt.link[0] == '/' ) - linkURL.setPath( ftpEnt.link ); // Absolute link - else - { - // Relative link (stat will take care of cleaning ../.. etc.) - linkURL.setPath( listarg ); // this is what we were listing (the link) - linkURL.setPath( linkURL.directory() ); // go up one dir - linkURL.addPath( ftpEnt.link ); // replace link by its destination - kdDebug(7102) << "linkURL now " << linkURL.prettyURL() << endl; - } - // Re-add the filename we're looking for - linkURL.addPath( filename ); - } - bFound = true; - } - } - - // kdDebug(7102) << ftpEnt.name << endl; - } - - ftpCloseCommand(); // closes the data connection only - - if ( !bFound ) - { - ftpStatAnswerNotFound( path, filename ); - return; - } - - if ( !linkURL.isEmpty() ) - { - if ( linkURL == url || linkURL == tempurl ) - { - error( ERR_CYCLIC_LINK, linkURL.prettyURL() ); - return; - } - stat( linkURL ); - return; - } - - kdDebug(7102) << "stat : finished successfully" << endl; - finished(); -} - - -void Ftp::listDir( const KURL &url ) -{ - kdDebug(7102) << "Ftp::listDir " << url.prettyURL() << endl; - if( !ftpOpenConnection(loginImplicit) ) - return; - - // No path specified ? - TQString path = url.path(); - if ( path.isEmpty() ) - { - KURL realURL; - realURL.setProtocol( "ftp" ); - if ( m_user != FTP_LOGIN ) - realURL.setUser( m_user ); - // We set the password, so that we don't ask for it if it was given - if ( m_pass != FTP_PASSWD ) - realURL.setPass( m_pass ); - realURL.setHost( m_host ); - realURL.setPort( m_port ); - if ( m_initialPath.isEmpty() ) - m_initialPath = "/"; - realURL.setPath( m_initialPath ); - kdDebug(7102) << "REDIRECTION to " << realURL.prettyURL() << endl; - redirection( realURL ); - finished(); - return; - } - - kdDebug(7102) << "hunting for path '" << path << "'" << endl; - - if (!ftpOpenDir( path ) ) - { - if ( ftpSize( path, 'I' ) ) // is it a file ? - { - error( ERR_IS_FILE, path ); - return; - } - // not sure which to emit - //error( ERR_DOES_NOT_EXIST, path ); - error( ERR_CANNOT_ENTER_DIRECTORY, path ); - return; - } - - UDSEntry entry; - FtpEntry ftpEnt; - while( ftpReadDir(ftpEnt) ) - { - //kdDebug(7102) << ftpEnt.name << endl; - //Q_ASSERT( !ftpEnt.name.isEmpty() ); - if ( !ftpEnt.name.isEmpty() ) - { - //if ( S_ISDIR( (mode_t)ftpEnt.type ) ) - // kdDebug(7102) << "is a dir" << endl; - //if ( !ftpEnt.link.isEmpty() ) - // kdDebug(7102) << "is a link to " << ftpEnt.link << endl; - entry.clear(); - ftpCreateUDSEntry( ftpEnt.name, ftpEnt, entry, false ); - listEntry( entry, false ); - } - } - listEntry( entry, true ); // ready - ftpCloseCommand(); // closes the data connection only - finished(); -} - -void Ftp::slave_status() -{ - kdDebug(7102) << "Got slave_status host = " << (m_host.ascii() ? m_host.ascii() : "[None]") << " [" << (m_bLoggedOn ? "Connected" : "Not connected") << "]" << endl; - slaveStatus( m_host, m_bLoggedOn ); -} - -bool Ftp::ftpOpenDir( const TQString & path ) -{ - //TQString path( _url.path(-1) ); - - // We try to change to this directory first to see whether it really is a directory. - // (And also to follow symlinks) - TQString tmp = path.isEmpty() ? TQString("/") : path; - - // We get '550', whether it's a file or doesn't exist... - if( !ftpFolder(tmp, false) ) - return false; - - // Don't use the path in the list command: - // We changed into this directory anyway - so it's enough just to send "list". - // We use '-a' because the application MAY be interested in dot files. - // The only way to really know would be to have a metadata flag for this... - // Since some windows ftp server seems not to support the -a argument, we use a fallback here. - // In fact we have to use -la otherwise -a removes the default -l (e.g. ftp.trolltech.com) - if( !ftpOpenCommand( "list -la", TQString::null, 'I', ERR_CANNOT_ENTER_DIRECTORY ) ) - { - if ( !ftpOpenCommand( "list", TQString::null, 'I', ERR_CANNOT_ENTER_DIRECTORY ) ) - { - kdWarning(7102) << "Can't open for listing" << endl; - return false; - } - } - kdDebug(7102) << "Starting of list was ok" << endl; - return true; -} - -bool Ftp::ftpReadDir(FtpEntry& de) -{ - assert(m_data != NULL); - - // get a line from the data connecetion ... - while( !m_data->textEOF() ) - { - if(m_data->textRead() <= 0) - continue; - if(m_data->textTooLong()) - kdWarning(7102) << "ftpReadDir line too long - truncated" << endl; - - const char* buffer = m_data->textLine(); - kdDebug(7102) << "dir > " << buffer << endl; - - //Normally the listing looks like - // -rw-r--r-- 1 dfaure dfaure 102 Nov 9 12:30 log - // but on Netware servers like ftp://ci-1.ci.pwr.wroc.pl/ it looks like (#76442) - // d [RWCEAFMS] Admin 512 Oct 13 2004 PSI - - // we should always get the following 5 fields ... - const char *p_access, *p_junk, *p_owner, *p_group, *p_size; - if( (p_access = strtok((char*)buffer," ")) == 0) continue; - if( (p_junk = strtok(NULL," ")) == 0) continue; - if( (p_owner = strtok(NULL," ")) == 0) continue; - if( (p_group = strtok(NULL," ")) == 0) continue; - if( (p_size = strtok(NULL," ")) == 0) continue; - - //kdDebug(7102) << "p_access=" << p_access << " p_junk=" << p_junk << " p_owner=" << p_owner << " p_group=" << p_group << " p_size=" << p_size << endl; - - de.access = 0; - if ( strlen( p_access ) == 1 && p_junk[0] == '[' ) { // Netware - de.access = S_IRWXU | S_IRWXG | S_IRWXO; // unknown -> give all permissions - } - - const char *p_date_1, *p_date_2, *p_date_3, *p_name; - - // A special hack for "/dev". A listing may look like this: - // crw-rw-rw- 1 root root 1, 5 Jun 29 1997 zero - // So we just ignore the number in front of the ",". Ok, its a hack :-) - if ( strchr( p_size, ',' ) != 0L ) - { - //kdDebug(7102) << "Size contains a ',' -> reading size again (/dev hack)" << endl; - if ((p_size = strtok(NULL," ")) == 0) - continue; - } - - // Check whether the size we just read was really the size - // or a month (this happens when the server lists no group) - // Used to be the case on sunsite.uio.no, but not anymore - // This is needed for the Netware case, too. - if ( !isdigit( *p_size ) ) - { - p_date_1 = p_size; - p_size = p_group; - p_group = 0; - //kdDebug(7102) << "Size didn't have a digit -> size=" << p_size << " date_1=" << p_date_1 << endl; - } - else - { - p_date_1 = strtok(NULL," "); - //kdDebug(7102) << "Size has a digit -> ok. p_date_1=" << p_date_1 << endl; - } - - if ( p_date_1 != 0 && - (p_date_2 = strtok(NULL," ")) != 0 && - (p_date_3 = strtok(NULL," ")) != 0 && - (p_name = strtok(NULL,"\r\n")) != 0 ) - { - { - TQCString tmp( p_name ); - if ( p_access[0] == 'l' ) - { - int i = tmp.findRev( " -> " ); - if ( i != -1 ) { - de.link = remoteEncoding()->decode(p_name + i + 4); - tmp.truncate( i ); - } - else - de.link = TQString::null; - } - else - de.link = TQString::null; - - if ( tmp[0] == '/' ) // listing on ftp://ftp.gnupg.org/ starts with '/' - tmp.remove( 0, 1 ); - - if (tmp.find('/') != -1) - continue; // Don't trick us! - // Some sites put more than one space between the date and the name - // e.g. ftp://ftp.uni-marburg.de/mirror/ - de.name = remoteEncoding()->decode(tmp.stripWhiteSpace()); - } - - de.type = S_IFREG; - switch ( p_access[0] ) { - case 'd': - de.type = S_IFDIR; - break; - case 's': - de.type = S_IFSOCK; - break; - case 'b': - de.type = S_IFBLK; - break; - case 'c': - de.type = S_IFCHR; - break; - case 'l': - de.type = S_IFREG; - // we don't set S_IFLNK here. de.link says it. - break; - default: - break; - } - - if ( p_access[1] == 'r' ) - de.access |= S_IRUSR; - if ( p_access[2] == 'w' ) - de.access |= S_IWUSR; - if ( p_access[3] == 'x' || p_access[3] == 's' ) - de.access |= S_IXUSR; - if ( p_access[4] == 'r' ) - de.access |= S_IRGRP; - if ( p_access[5] == 'w' ) - de.access |= S_IWGRP; - if ( p_access[6] == 'x' || p_access[6] == 's' ) - de.access |= S_IXGRP; - if ( p_access[7] == 'r' ) - de.access |= S_IROTH; - if ( p_access[8] == 'w' ) - de.access |= S_IWOTH; - if ( p_access[9] == 'x' || p_access[9] == 't' ) - de.access |= S_IXOTH; - if ( p_access[3] == 's' || p_access[3] == 'S' ) - de.access |= S_ISUID; - if ( p_access[6] == 's' || p_access[6] == 'S' ) - de.access |= S_ISGID; - if ( p_access[9] == 't' || p_access[9] == 'T' ) - de.access |= S_ISVTX; - - de.owner = remoteEncoding()->decode(p_owner); - de.group = remoteEncoding()->decode(p_group); - de.size = charToLongLong(p_size); - - // Parsing the date is somewhat tricky - // Examples : "Oct 6 22:49", "May 13 1999" - - // First get current time - we need the current month and year - time_t currentTime = time( 0L ); - struct tm * tmptr = gmtime( ¤tTime ); - int currentMonth = tmptr->tm_mon; - //kdDebug(7102) << "Current time :" << asctime( tmptr ) << endl; - // Reset time fields - tmptr->tm_isdst = -1; // We do not know anything about day saving time (of any random day of the year) - tmptr->tm_sec = 0; - tmptr->tm_min = 0; - tmptr->tm_hour = 0; - // Get day number (always second field) - tmptr->tm_mday = atoi( p_date_2 ); - // Get month from first field - // NOTE : no, we don't want to use KLocale here - // It seems all FTP servers use the English way - //kdDebug(7102) << "Looking for month " << p_date_1 << endl; - static const char * s_months[12] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", - "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; - for ( int c = 0 ; c < 12 ; c ++ ) - if ( !strcmp( p_date_1, s_months[c]) ) - { - //kdDebug(7102) << "Found month " << c << " for " << p_date_1 << endl; - tmptr->tm_mon = c; - break; - } - - // Parse third field - if ( strlen( p_date_3 ) == 4 ) // 4 digits, looks like a year - tmptr->tm_year = atoi( p_date_3 ) - 1900; - else - { - // otherwise, the year is implicit - // according to man ls, this happens when it is between than 6 months - // old and 1 hour in the future. - // So the year is : current year if tm_mon <= currentMonth+1 - // otherwise current year minus one - // (The +1 is a security for the "+1 hour" at the end of the month issue) - if ( tmptr->tm_mon > currentMonth + 1 ) - tmptr->tm_year--; - - // and p_date_3 contains probably a time - char * semicolon; - if ( ( semicolon = const_cast<char*>(strchr( p_date_3, ':' )) ) ) - { - *semicolon = '\0'; - tmptr->tm_min = atoi( semicolon + 1 ); - tmptr->tm_hour = atoi( p_date_3 ); - } - else - kdWarning(7102) << "Can't parse third field " << p_date_3 << endl; - } - - //kdDebug(7102) << asctime( tmptr ) << endl; - de.date = mktime( tmptr ); - return true; - } - } // line invalid, loop to get another line - return false; -} - -//=============================================================================== -// public: get download file from server -// helper: ftpGet called from get() and copy() -//=============================================================================== -void Ftp::get( const KURL & url ) -{ - kdDebug(7102) << "Ftp::get " << url.url() << endl; - int iError = 0; - ftpGet(iError, -1, url, 0); // iError gets status - if(iError) // can have only server side errs - error(iError, url.path()); - ftpCloseCommand(); // must close command! -} - -Ftp::StatusCode Ftp::ftpGet(int& iError, int iCopyFile, const KURL& url, TDEIO::fileoffset_t llOffset) -{ - // Calls error() by itself! - if( !ftpOpenConnection(loginImplicit) ) - return statusServerError; - - // Try to find the size of the file (and check that it exists at - // the same time). If we get back a 550, "File does not exist" - // or "not a plain file", check if it is a directory. If it is a - // directory, return an error; otherwise simply try to retrieve - // the request... - if ( !ftpSize( url.path(), '?' ) && (m_iRespCode == 550) && - ftpFolder(url.path(), false) ) - { - // Ok it's a dir in fact - kdDebug(7102) << "ftpGet: it is a directory in fact" << endl; - iError = ERR_IS_DIRECTORY; - return statusServerError; - } - - TQString resumeOffset = metaData("resume"); - if ( !resumeOffset.isEmpty() ) - { - llOffset = resumeOffset.toLongLong(); - kdDebug(7102) << "ftpGet: got offset from metadata : " << llOffset << endl; - } - - if( !ftpOpenCommand("retr", url.path(), '?', ERR_CANNOT_OPEN_FOR_READING, llOffset) ) - { - kdWarning(7102) << "ftpGet: Can't open for reading" << endl; - return statusServerError; - } - - // Read the size from the response string - if(m_size == UnknownSize) - { - const char* psz = strrchr( ftpResponse(4), '(' ); - if(psz) m_size = charToLongLong(psz+1); - if (!m_size) m_size = UnknownSize; - } - - TDEIO::filesize_t bytesLeft = 0; - if ( m_size != UnknownSize ) - bytesLeft = m_size - llOffset; - - kdDebug(7102) << "ftpGet: starting with offset=" << llOffset << endl; - TDEIO::fileoffset_t processed_size = llOffset; - - TQByteArray array; - bool mimetypeEmitted = false; - char buffer[maximumIpcSize]; - // start whith small data chunks in case of a slow data source (modem) - // - unfortunately this has a negative impact on performance for large - // - files - so we will increase the block size after a while ... - int iBlockSize = initialIpcSize; - int iBufferCur = 0; - - while(m_size == UnknownSize || bytesLeft > 0) - { // let the buffer size grow if the file is larger 64kByte ... - if(processed_size-llOffset > 1024 * 64) - iBlockSize = maximumIpcSize; - - // read the data and detect EOF or error ... - if(iBlockSize+iBufferCur > (int)sizeof(buffer)) - iBlockSize = sizeof(buffer) - iBufferCur; - int n = m_data->read( buffer+iBufferCur, iBlockSize ); - if(n <= 0) - { // this is how we detect EOF in case of unknown size - if( m_size == UnknownSize && n == 0 ) - break; - // unexpected eof. Happens when the daemon gets killed. - iError = ERR_COULD_NOT_READ; - return statusServerError; - } - processed_size += n; - - // collect very small data chunks in buffer before processing ... - if(m_size != UnknownSize) - { - bytesLeft -= n; - iBufferCur += n; - if(iBufferCur < mimimumMimeSize && bytesLeft > 0) - { - processedSize( processed_size ); - continue; - } - n = iBufferCur; - iBufferCur = 0; - } - - // get the mime type and set the total size ... - if(!mimetypeEmitted) - { - mimetypeEmitted = true; - - // We need a KMimeType::findByNameAndContent(data,filename) - // For now we do: find by extension, and if not found (or extension not reliable) - // then find by content. - bool accurate = false; - KMimeType::Ptr mime = KMimeType::findByURL( url, 0, false, true, &accurate ); - if ( !mime || mime->name() == KMimeType::defaultMimeType() - || !accurate ) - { - array.setRawData(buffer, n); - KMimeMagicResult * result = KMimeMagic::self()->findBufferFileType(array, url.fileName()); - array.resetRawData(buffer, n); - if ( result->mimeType() != KMimeType::defaultMimeType() ) - mime = KMimeType::mimeType( result->mimeType() ); - } - - kdDebug(7102) << "ftpGet: Emitting mimetype " << mime->name() << endl; - mimeType( mime->name() ); - if( m_size != UnknownSize ) // Emit total size AFTER mimetype - totalSize( m_size ); - } - - // write output file or pass to data pump ... - if(iCopyFile == -1) - { - array.setRawData(buffer, n); - data( array ); - array.resetRawData(buffer, n); - } - else if( (iError = WriteToFile(iCopyFile, buffer, n)) != 0) - return statusClientError; // client side error - processedSize( processed_size ); - } - - kdDebug(7102) << "ftpGet: done" << endl; - if(iCopyFile == -1) // must signal EOF to data pump ... - data(array); // array is empty and must be empty! - - processedSize( m_size == UnknownSize ? processed_size : m_size ); - kdDebug(7102) << "ftpGet: emitting finished()" << endl; - finished(); - return statusSuccess; -} - -/* -void Ftp::mimetype( const KURL& url ) -{ - if( !ftpOpenConnection(loginImplicit) ) - return; - - if ( !ftpOpenCommand( "retr", url.path(), 'I', ERR_CANNOT_OPEN_FOR_READING, 0 ) ) { - kdWarning(7102) << "Can't open for reading" << endl; - return; - } - char buffer[ 2048 ]; - TQByteArray array; - // Get one chunk of data only and send it, TDEIO::Job will determine the - // mimetype from it using KMimeMagic - int n = m_data->read( buffer, 2048 ); - array.setRawData(buffer, n); - data( array ); - array.resetRawData(buffer, n); - - kdDebug(7102) << "aborting" << endl; - ftpAbortTransfer(); - - kdDebug(7102) << "finished" << endl; - finished(); - kdDebug(7102) << "after finished" << endl; -} - -void Ftp::ftpAbortTransfer() -{ - // RFC 959, page 34-35 - // IAC (interpret as command) = 255 ; IP (interrupt process) = 254 - // DM = 242 (data mark) - char msg[4]; - // 1. User system inserts the Telnet "Interrupt Process" (IP) signal - // in the Telnet stream. - msg[0] = (char) 255; //IAC - msg[1] = (char) 254; //IP - (void) send(sControl, msg, 2, 0); - // 2. User system sends the Telnet "Sync" signal. - msg[0] = (char) 255; //IAC - msg[1] = (char) 242; //DM - if (send(sControl, msg, 2, MSG_OOB) != 2) - ; // error... - - // Send ABOR - kdDebug(7102) << "send ABOR" << endl; - TQCString buf = "ABOR\r\n"; - if ( KSocks::self()->write( sControl, buf.data(), buf.length() ) <= 0 ) { - error( ERR_COULD_NOT_WRITE, TQString::null ); - return; - } - - // - kdDebug(7102) << "read resp" << endl; - if ( readresp() != '2' ) - { - error( ERR_COULD_NOT_READ, TQString::null ); - return; - } - - kdDebug(7102) << "close sockets" << endl; - closeSockets(); -} -*/ - -//=============================================================================== -// public: put upload file to server -// helper: ftpPut called from put() and copy() -//=============================================================================== -void Ftp::put(const KURL& url, int permissions, bool overwrite, bool resume) -{ - kdDebug(7102) << "Ftp::put " << url.url() << endl; - int iError = 0; // iError gets status - ftpPut(iError, -1, url, permissions, overwrite, resume); - if(iError) // can have only server side errs - error(iError, url.path()); - ftpCloseCommand(); // must close command! -} - -Ftp::StatusCode Ftp::ftpPut(int& iError, int iCopyFile, const KURL& dest_url, - int permissions, bool overwrite, bool resume) -{ - if( !ftpOpenConnection(loginImplicit) ) - return statusServerError; - - // Don't use mark partial over anonymous FTP. - // My incoming dir allows put but not rename... - bool bMarkPartial; - if (m_user.isEmpty () || m_user == FTP_LOGIN) - bMarkPartial = false; - else - bMarkPartial = config()->readBoolEntry("MarkPartial", true); - - TQString dest_orig = dest_url.path(); - TQString dest_part( dest_orig ); - dest_part += ".part"; - - if ( ftpSize( dest_orig, 'I' ) ) - { - if ( m_size == 0 ) - { // delete files with zero size - TQCString cmd = "DELE "; - cmd += remoteEncoding()->encode(dest_orig); - if( !ftpSendCmd( cmd ) || (m_iRespType != 2) ) - { - iError = ERR_CANNOT_DELETE_PARTIAL; - return statusServerError; - } - } - else if ( !overwrite && !resume ) - { - iError = ERR_FILE_ALREADY_EXIST; - return statusServerError; - } - else if ( bMarkPartial ) - { // when using mark partial, append .part extension - if ( !ftpRename( dest_orig, dest_part, true ) ) - { - iError = ERR_CANNOT_RENAME_PARTIAL; - return statusServerError; - } - } - // Don't chmod an existing file - permissions = -1; - } - else if ( bMarkPartial && ftpSize( dest_part, 'I' ) ) - { // file with extension .part exists - if ( m_size == 0 ) - { // delete files with zero size - TQCString cmd = "DELE "; - cmd += remoteEncoding()->encode(dest_part); - if ( !ftpSendCmd( cmd ) || (m_iRespType != 2) ) - { - iError = ERR_CANNOT_DELETE_PARTIAL; - return statusServerError; - } - } - else if ( !overwrite && !resume ) - { - resume = canResume (m_size); - if (!resume) - { - iError = ERR_FILE_ALREADY_EXIST; - return statusServerError; - } - } - } - else - m_size = 0; - - TQString dest; - - // if we are using marking of partial downloads -> add .part extension - if ( bMarkPartial ) { - kdDebug(7102) << "Adding .part extension to " << dest_orig << endl; - dest = dest_part; - } else - dest = dest_orig; - - TDEIO::fileoffset_t offset = 0; - - // set the mode according to offset - if( resume && m_size > 0 ) - { - offset = m_size; - if(iCopyFile != -1) - { - if( KDE_lseek(iCopyFile, offset, SEEK_SET) < 0 ) - { - iError = ERR_CANNOT_RESUME; - return statusClientError; - } - } - } - - if (! ftpOpenCommand( "stor", dest, '?', ERR_COULD_NOT_WRITE, offset ) ) - return statusServerError; - - kdDebug(7102) << "ftpPut: starting with offset=" << offset << endl; - TDEIO::fileoffset_t processed_size = offset; - - TQByteArray buffer; - int result; - int iBlockSize = initialIpcSize; - // Loop until we got 'dataEnd' - do - { - if(iCopyFile == -1) - { - dataReq(); // Request for data - result = readData( buffer ); - } - else - { // let the buffer size grow if the file is larger 64kByte ... - if(processed_size-offset > 1024 * 64) - iBlockSize = maximumIpcSize; - buffer.resize(iBlockSize); - result = ::read(iCopyFile, buffer.data(), buffer.size()); - if(result < 0) - iError = ERR_COULD_NOT_WRITE; - else - buffer.resize(result); - } - - if (result > 0) - { - m_data->write( buffer.data(), buffer.size() ); - processed_size += result; - processedSize (processed_size); - } - } - while ( result > 0 ); - - if (result != 0) // error - { - ftpCloseCommand(); // don't care about errors - kdDebug(7102) << "Error during 'put'. Aborting." << endl; - if (bMarkPartial) - { - // Remove if smaller than minimum size - if ( ftpSize( dest, 'I' ) && - ( processed_size < (unsigned long) config()->readNumEntry("MinimumKeepSize", DEFAULT_MINIMUM_KEEP_SIZE) ) ) - { - TQCString cmd = "DELE "; - cmd += remoteEncoding()->encode(dest); - (void) ftpSendCmd( cmd ); - } - } - return statusServerError; - } - - if ( !ftpCloseCommand() ) - { - iError = ERR_COULD_NOT_WRITE; - return statusServerError; - } - - // after full download rename the file back to original name - if ( bMarkPartial ) - { - kdDebug(7102) << "renaming dest (" << dest << ") back to dest_orig (" << dest_orig << ")" << endl; - if ( !ftpRename( dest, dest_orig, true ) ) - { - iError = ERR_CANNOT_RENAME_PARTIAL; - return statusServerError; - } - } - - // set final permissions - if ( permissions != -1 ) - { - if ( m_user == FTP_LOGIN ) - kdDebug(7102) << "Trying to chmod over anonymous FTP ???" << endl; - // chmod the file we just put - if ( ! ftpChmod( dest_orig, permissions ) ) - { - // To be tested - //if ( m_user != FTP_LOGIN ) - // warning( i18n( "Could not change permissions for\n%1" ).arg( dest_orig ) ); - } - } - - // We have done our job => finish - finished(); - return statusSuccess; -} - - -/** Use the SIZE command to get the file size. - Warning : the size depends on the transfer mode, hence the second arg. */ -bool Ftp::ftpSize( const TQString & path, char mode ) -{ - m_size = UnknownSize; - if( !ftpDataMode(mode) ) - return false; - - TQCString buf; - buf = "SIZE "; - buf += remoteEncoding()->encode(path); - if( !ftpSendCmd( buf ) || (m_iRespType != 2) ) - return false; - - // skip leading "213 " (response code) - const char* psz = ftpResponse(4); - if(!psz) - return false; - m_size = charToLongLong(psz); - if (!m_size) m_size = UnknownSize; - return true; -} - -bool Ftp::ftpFileExists(const TQString& path) -{ - TQCString buf; - buf = "SIZE "; - buf += remoteEncoding()->encode(path); - if( !ftpSendCmd( buf ) || (m_iRespType != 2) ) - return false; - - // skip leading "213 " (response code) - const char* psz = ftpResponse(4); - return psz != 0; -} - -// Today the differences between ASCII and BINARY are limited to -// CR or CR/LF line terminators. Many servers ignore ASCII (like -// win2003 -or- vsftp with default config). In the early days of -// computing, when even text-files had structure, this stuff was -// more important. -// Theoretically "list" could return different results in ASCII -// and BINARY mode. But again, most servers ignore ASCII here. -bool Ftp::ftpDataMode(char cMode) -{ - if(cMode == '?') cMode = m_bTextMode ? 'A' : 'I'; - else if(cMode == 'a') cMode = 'A'; - else if(cMode != 'A') cMode = 'I'; - - kdDebug(7102) << "ftpDataMode: want '" << cMode << "' has '" << m_cDataMode << "'" << endl; - if(m_cDataMode == cMode) - return true; - - TQCString buf; - buf.sprintf("TYPE %c", cMode); - if( !ftpSendCmd(buf) || (m_iRespType != 2) ) - return false; - m_cDataMode = cMode; - return true; -} - - -bool Ftp::ftpFolder(const TQString& path, bool bReportError) -{ - TQString newPath = path; - int iLen = newPath.length(); - if(iLen > 1 && newPath[iLen-1] == '/') newPath.truncate(iLen-1); - - //kdDebug(7102) << "ftpFolder: want '" << newPath << "' has '" << m_currentPath << "'" << endl; - if(m_currentPath == newPath) - return true; - - TQCString tmp = "cwd "; - tmp += remoteEncoding()->encode(newPath); - if( !ftpSendCmd(tmp) ) - return false; // connection failure - if(m_iRespType != 2) - { - if(bReportError) - error(ERR_CANNOT_ENTER_DIRECTORY, path); - return false; // not a folder - } - m_currentPath = newPath; - return true; -} - - -//=============================================================================== -// public: copy don't use kio data pump if one side is a local file -// helper: ftpCopyPut called from copy() on upload -// helper: ftpCopyGet called from copy() on download -//=============================================================================== -void Ftp::copy( const KURL &src, const KURL &dest, int permissions, bool overwrite ) -{ - int iError = 0; - int iCopyFile = -1; - StatusCode cs = statusSuccess; - bool bSrcLocal = src.isLocalFile(); - bool bDestLocal = dest.isLocalFile(); - TQString sCopyFile; - - if(bSrcLocal && !bDestLocal) // File -> Ftp - { - sCopyFile = src.path(); - kdDebug(7102) << "Ftp::copy local file '" << sCopyFile << "' -> ftp '" << dest.path() << "'" << endl; - cs = ftpCopyPut(iError, iCopyFile, sCopyFile, dest, permissions, overwrite); - if( cs == statusServerError) sCopyFile = dest.url(); - } - else if(!bSrcLocal && bDestLocal) // Ftp -> File - { - sCopyFile = dest.path(); - kdDebug(7102) << "Ftp::copy ftp '" << src.path() << "' -> local file '" << sCopyFile << "'" << endl; - cs = ftpCopyGet(iError, iCopyFile, sCopyFile, src, permissions, overwrite); - if( cs == statusServerError ) sCopyFile = src.url(); - } - else { - error( ERR_UNSUPPORTED_ACTION, TQString::null ); - return; - } - - // perform clean-ups and report error (if any) - if(iCopyFile != -1) - ::close(iCopyFile); - if(iError) - error(iError, sCopyFile); - ftpCloseCommand(); // must close command! -} - - -Ftp::StatusCode Ftp::ftpCopyPut(int& iError, int& iCopyFile, TQString sCopyFile, - const KURL& url, int permissions, bool overwrite) -{ - // check if source is ok ... - KDE_struct_stat buff; - TQCString sSrc( TQFile::encodeName(sCopyFile) ); - bool bSrcExists = (KDE_stat( sSrc.data(), &buff ) != -1); - if(bSrcExists) - { if(S_ISDIR(buff.st_mode)) - { - iError = ERR_IS_DIRECTORY; - return statusClientError; - } - } - else - { - iError = ERR_DOES_NOT_EXIST; - return statusClientError; - } - - iCopyFile = KDE_open( sSrc.data(), O_RDONLY ); - if(iCopyFile == -1) - { - iError = ERR_CANNOT_OPEN_FOR_READING; - return statusClientError; - } - - // delegate the real work (iError gets status) ... - totalSize(buff.st_size); -#ifdef ENABLE_CAN_RESUME - return ftpPut(iError, iCopyFile, url, permissions, overwrite, false); -#else - return ftpPut(iError, iCopyFile, url, permissions, overwrite, true); -#endif -} - - -Ftp::StatusCode Ftp::ftpCopyGet(int& iError, int& iCopyFile, const TQString sCopyFile, - const KURL& url, int permissions, bool overwrite) -{ - // check if destination is ok ... - KDE_struct_stat buff; - TQCString sDest( TQFile::encodeName(sCopyFile) ); - bool bDestExists = (KDE_stat( sDest.data(), &buff ) != -1); - if(bDestExists) - { if(S_ISDIR(buff.st_mode)) - { - iError = ERR_IS_DIRECTORY; - return statusClientError; - } - if(!overwrite) - { - iError = ERR_FILE_ALREADY_EXIST; - return statusClientError; - } - } - - // do we have a ".part" file? - TQCString sPart = TQFile::encodeName(sCopyFile + ".part"); - bool bResume = false; - bool bPartExists = (KDE_stat( sPart.data(), &buff ) != -1); - const bool bMarkPartial = config()->readBoolEntry("MarkPartial", true); - - if(!bMarkPartial) - { - sPart = TQFile::encodeName(sCopyFile); - } - else if(bPartExists && buff.st_size > 0) - { // must not be a folder! please fix a similar bug in kio_file!! - if(S_ISDIR(buff.st_mode)) - { - iError = ERR_DIR_ALREADY_EXIST; - return statusClientError; // client side error - } - //doesn't work for copy? -> design flaw? -#ifdef ENABLE_CAN_RESUME - bResume = canResume( buff.st_size ); -#else - bResume = true; -#endif - } - - if(bPartExists && !bResume) // get rid of an unwanted ".part" file - remove(sPart.data()); - - // JPF: in kio_file overwrite disables ".part" operations. I do not believe - // JPF: that this is a good behaviour! - if(bDestExists) // must delete for overwrite - remove(sDest.data()); - - // WABA: Make sure that we keep writing permissions ourselves, - // otherwise we can be in for a surprise on NFS. - mode_t initialMode; - if (permissions != -1) - initialMode = permissions | S_IWUSR; - else - initialMode = 0666; - - // open the output file ... - TDEIO::fileoffset_t hCopyOffset = 0; - if(bResume) - { - iCopyFile = KDE_open( sPart.data(), O_RDWR ); // append if resuming - hCopyOffset = KDE_lseek(iCopyFile, 0, SEEK_END); - if(hCopyOffset < 0) - { - iError = ERR_CANNOT_RESUME; - return statusClientError; // client side error - } - kdDebug(7102) << "copy: resuming at " << hCopyOffset << endl; - } - else - iCopyFile = KDE_open(sPart.data(), O_CREAT | O_TRUNC | O_WRONLY, initialMode); - - if(iCopyFile == -1) - { - kdDebug(7102) << "copy: ### COULD NOT WRITE " << sCopyFile << endl; - iError = (errno == EACCES) ? ERR_WRITE_ACCESS_DENIED - : ERR_CANNOT_OPEN_FOR_WRITING; - return statusClientError; - } - - // delegate the real work (iError gets status) ... - StatusCode iRes = ftpGet(iError, iCopyFile, url, hCopyOffset); - if( ::close(iCopyFile) && iRes == statusSuccess ) - { - iError = ERR_COULD_NOT_WRITE; - iRes = statusClientError; - } - - // handle renaming or deletion of a partial file ... - if(bMarkPartial) - { - if(iRes == statusSuccess) - { // rename ".part" on success - if ( ::rename( sPart.data(), sDest.data() ) ) - { - kdDebug(7102) << "copy: cannot rename " << sPart << " to " << sDest << endl; - iError = ERR_CANNOT_RENAME_PARTIAL; - iRes = statusClientError; - } - } - else if(KDE_stat( sPart.data(), &buff ) == 0) - { // should a very small ".part" be deleted? - int size = config()->readNumEntry("MinimumKeepSize", DEFAULT_MINIMUM_KEEP_SIZE); - if (buff.st_size < size) - remove(sPart.data()); - } - } - return iRes; -} |