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kioslaves sieve.cpp Go to the documentation of this file. /*************************************************************************** sieve.cpp - description ------------------- begin : Thu Dec 20 18:47:08 EST 2001 copyright : (C) 2001 by Hamish Rodda email : meddie@yoyo.cc.monash.edu.au ***************************************************************************/ /*************************************************************************** * * * This program is free software; you can redistribute it and/or modify * * it under the terms of the GNU General Public License version 2 as * * published by the Free Software Foundation. * * * ***************************************************************************/ #ifdef HAVE_CONFIG_H # include <config.h> #endif extern "C" { #include <sasl/sasl.h> } #include "sieve.h" #include <kdebug.h> #include <kinstance.h> #include <klocale.h> #include <kurl.h> #include <kmdcodec.h> #include <kglobal.h> #include <qcstring.h> #include <qregexp.h> #include <cstdlib> using std::exit; #include <sys/stat.h> #include <kdepimmacros.h> static const int debugArea = 7122; static inline #ifdef NDEBUG kndbgstream ksDebug() { return kdDebug( debugArea ); } kndbgstream ksDebug( bool cond ) { return kdDebug( cond, debugArea ); } #else kdbgstream ksDebug() { return kdDebug( debugArea ); } kdbgstream ksDebug( bool cond ) { return kdDebug( cond, debugArea ); } #endif #define SIEVE_DEFAULT_PORT 2000 static sasl_callback_t callbacks[] = { { SASL_CB_ECHOPROMPT, NULL, NULL }, { SASL_CB_NOECHOPROMPT, NULL, NULL }, { SASL_CB_GETREALM, NULL, NULL }, { SASL_CB_USER, NULL, NULL }, { SASL_CB_AUTHNAME, NULL, NULL }, { SASL_CB_PASS, NULL, NULL }, { SASL_CB_CANON_USER, NULL, NULL }, { SASL_CB_LIST_END, NULL, NULL } }; static const unsigned int SIEVE_DEFAULT_RECIEVE_BUFFER = 512; using namespace KIO; extern "C" { KDE_EXPORT int kdemain(int argc, char **argv) { KInstance instance("kio_sieve" ); ksDebug() << "*** Starting kio_sieve " << endl; if (argc != 4) { ksDebug() << "Usage: kio_sieve protocol domain-socket1 domain-socket2" << endl; exit(-1); } if ( sasl_client_init( NULL ) != SASL_OK ) { fprintf(stderr, "SASL library initialization failed!\n"); ::exit (-1); } kio_sieveProtocol slave(argv[2], argv[3]); slave.dispatchLoop(); sasl_done(); ksDebug() << "*** kio_sieve Done" << endl; return 0; } } /* ---------------------------------------------------------------------------------- */ kio_sieveResponse::kio_sieveResponse() { clear(); } /* ---------------------------------------------------------------------------------- */ const uint& kio_sieveResponse::getType() const { return rType; } /* ---------------------------------------------------------------------------------- */ const uint kio_sieveResponse::getQuantity() const { return quantity; } /* ---------------------------------------------------------------------------------- */ const QCString& kio_sieveResponse::getAction() const { return key; } /* ---------------------------------------------------------------------------------- */ const QCString& kio_sieveResponse::getKey() const { return key; } /* ---------------------------------------------------------------------------------- */ const QCString& kio_sieveResponse::getVal() const { return val; } /* ---------------------------------------------------------------------------------- */ const QCString& kio_sieveResponse::getExtra() const { return extra; } /* ---------------------------------------------------------------------------------- */ void kio_sieveResponse::setQuantity(const uint& newQty) { rType = QUANTITY; quantity = newQty; } /* ---------------------------------------------------------------------------------- */ void kio_sieveResponse::setAction(const QCString& newAction) { rType = ACTION; key = newAction.copy(); } /* ---------------------------------------------------------------------------------- */ void kio_sieveResponse::setKey(const QCString& newKey) { rType = KEY_VAL_PAIR; key = newKey.copy(); } /* ---------------------------------------------------------------------------------- */ void kio_sieveResponse::setVal(const QCString& newVal) { val = newVal.copy(); } /* ---------------------------------------------------------------------------------- */ void kio_sieveResponse::setExtra(const QCString& newExtra) { extra = newExtra.copy(); } /* ---------------------------------------------------------------------------------- */ void kio_sieveResponse::clear() { rType = NONE; extra = key = val = QCString(""); quantity = 0; } /* ---------------------------------------------------------------------------------- */ kio_sieveProtocol::kio_sieveProtocol(const QCString &pool_socket, const QCString &app_socket) : TCPSlaveBase( SIEVE_DEFAULT_PORT, "sieve", pool_socket, app_socket, false) , m_connMode(NORMAL) , m_supportsTLS(false) , m_shouldBeConnected(false) { } /* ---------------------------------------------------------------------------------- */ kio_sieveProtocol::~kio_sieveProtocol() { if ( isConnectionValid() ) disconnect(); } /* ---------------------------------------------------------------------------------- */ void kio_sieveProtocol::setHost (const QString &host, int port, const QString &user, const QString &pass) { if ( isConnectionValid() && ( m_sServer != host || m_iPort != port || m_sUser != user || m_sPass != pass ) ) { disconnect(); } m_sServer = host; m_iPort = port ? port : m_iDefaultPort; m_sUser = user; m_sPass = pass; m_supportsTLS = false; } /* ---------------------------------------------------------------------------------- */ void kio_sieveProtocol::openConnection() { m_connMode = CONNECTION_ORIENTED; connect(); } bool kio_sieveProtocol::parseCapabilities(bool requestCapabilities/* = false*/) { ksDebug() << k_funcinfo << endl; // Setup... bool ret = false; if (requestCapabilities) { sendData("CAPABILITY"); } while (receiveData()) { ksDebug() << "Looping receive" << endl; if (r.getType() == kio_sieveResponse::ACTION) { if ( r.getAction().contains("ok", false) != -1 ) { ksDebug() << "Sieve server ready & awaiting authentication." << endl; break; } else ksDebug() << "Unknown action " << r.getAction() << "." << endl; } else if (r.getKey() == "IMPLEMENTATION") { if (r.getVal().contains("sieve", false) != -1) { ksDebug() << "Connected to Sieve server: " << r.getVal() << endl; ret = true; setMetaData("implementation", r.getVal()); m_implementation = r.getVal(); } } else if (r.getKey() == "SASL") { // Save list of available SASL methods m_sasl_caps = QStringList::split(' ', r.getVal()); ksDebug() << "Server SASL authentication methods: " << m_sasl_caps.join(", ") << endl; setMetaData("saslMethods", r.getVal()); } else if (r.getKey() == "SIEVE") { // Save script capabilities; report back as meta data: ksDebug() << "Server script capabilities: " << QStringList::split(' ', r.getVal()).join(", ") << endl; setMetaData("sieveExtensions", r.getVal()); } else if (r.getKey() == "STARTTLS") { // The server supports TLS ksDebug() << "Server supports TLS" << endl; m_supportsTLS = true; setMetaData("tlsSupported", "true"); } else { ksDebug() << "Unrecognised key " << r.getKey() << endl; } } if (!m_supportsTLS) { setMetaData("tlsSupported", "false"); } return ret; } /* ---------------------------------------------------------------------------------- */ void kio_sieveProtocol::changeCheck( const KURL &url ) { QString auth; if (!metaData("sasl").isEmpty()) auth = metaData("sasl").upper(); else { QString query = url.query(); if ( query.startsWith("?") ) query.remove( 0, 1 ); QStringList q = QStringList::split( ",", query ); QStringList::iterator it; for ( it = q.begin(); it != q.end(); ++it ) { if ( ( (*it).section('=',0,0) ).lower() == "x-mech" ) { auth = ( (*it).section('=',1) ).upper(); break; } } } ksDebug() << "auth: " << auth << " m_sAuth: " << m_sAuth << endl; if ( m_sAuth != auth ) { m_sAuth = auth; if ( isConnectionValid() ) disconnect(); } } /* ---------------------------------------------------------------------------------- */ bool kio_sieveProtocol::connect(bool useTLSIfAvailable) { ksDebug() << k_funcinfo << endl; if (isConnectionValid()) return true; infoMessage(i18n("Connecting to %1...").arg( m_sServer)); if (m_connMode == CONNECTION_ORIENTED && m_shouldBeConnected) { error(ERR_CONNECTION_BROKEN, i18n("The connection to the server was lost.")); return false; } setBlockConnection(true); if (!connectToHost(m_sServer, m_iPort, true)) { return false; } if (!parseCapabilities()) { closeDescriptor(); error(ERR_UNSUPPORTED_PROTOCOL, i18n("Server identification failed.")); return false; } // Attempt to start TLS // FIXME find a test server and test that this works if (useTLSIfAvailable && m_supportsTLS && canUseTLS()) { sendData("STARTTLS"); if (operationSuccessful()) { ksDebug() << "TLS has been accepted. Starting TLS..." << endl << "WARNING this is untested and may fail." << endl; int retval = startTLS(); if (retval == 1) { ksDebug() << "TLS enabled successfully." << endl; // reparse capabilities: parseCapabilities( requestCapabilitiesAfterStartTLS() ); } else { ksDebug() << "TLS initiation failed, code " << retval << endl; disconnect(true); return connect(false); // error(ERR_INTERNAL, i18n("TLS initiation failed.")); } } else ksDebug() << "Server incapable of TLS. Transmitted documents will be unencrypted." << endl; } else ksDebug() << "We are incapable of TLS. Transmitted documents will be unencrypted." << endl; infoMessage(i18n("Authenticating user...")); if (!authenticate()) { disconnect(); error(ERR_COULD_NOT_AUTHENTICATE, i18n("Authentication failed.")); return false; } m_shouldBeConnected = true; return true; } /* ---------------------------------------------------------------------------------- */ void kio_sieveProtocol::closeConnection() { m_connMode = CONNECTION_ORIENTED; disconnect(); } /* ---------------------------------------------------------------------------------- */ void kio_sieveProtocol::disconnect(bool forcibly) { if (!forcibly) { sendData("LOGOUT"); // This crashes under certain conditions as described in // http://intevation.de/roundup/kolab/issue2442 // Fixing KIO::TCPSlaveBase::atEnd() for !fd would also work but 3.x is on life support. //if (!operationSuccessful()) // ksDebug() << "Server did not logout cleanly." << endl; } closeDescriptor(); m_shouldBeConnected = false; } /* ---------------------------------------------------------------------------------- */ /*void kio_sieveProtocol::slave_status() { slaveStatus(isConnectionValid() ? m_sServer : "", isConnectionValid()); finished(); }*/ /* ---------------------------------------------------------------------------------- */ void kio_sieveProtocol::special(const QByteArray &data) { int tmp; QDataStream stream(data, IO_ReadOnly); KURL url; stream >> tmp; switch (tmp) { case 1: stream >> url; if (!activate(url)) return; break; case 2: if (!deactivate()) return; break; case 3: parseCapabilities(true); break; } infoMessage(i18n("Done.")); finished(); } /* ---------------------------------------------------------------------------------- */ bool kio_sieveProtocol::activate(const KURL& url) { changeCheck( url ); if (!connect()) return false; infoMessage(i18n("Activating script...")); QString filename = url.fileName(false); if (filename.isEmpty()) { error(ERR_DOES_NOT_EXIST, url.prettyURL()); return false; } if (!sendData("SETACTIVE \"" + filename.utf8() + "\"")) return false; if (operationSuccessful()) { ksDebug() << "Script activation complete." << endl; return true; } else { error(ERR_INTERNAL_SERVER, i18n("There was an error activating the script.")); return false; } } /* ---------------------------------------------------------------------------------- */ bool kio_sieveProtocol::deactivate() { if (!connect()) return false; if (!sendData("SETACTIVE \"\"")) return false; if (operationSuccessful()) { ksDebug() << "Script deactivation complete." << endl; return true; } else { error(ERR_INTERNAL_SERVER, i18n("There was an error deactivating the script.")); return false; } } static void append_lf2crlf( QByteArray & out, const QByteArray & in ) { if ( in.isEmpty() ) return; const unsigned int oldOutSize = out.size(); out.resize( oldOutSize + 2 * in.size() ); const char * s = in.begin(); const char * const end = in.end(); char * d = out.begin() + oldOutSize; char last = '\0'; while ( s < end ) { if ( *s == '\n' && last != '\r' ) *d++ = '\r'; *d++ = last = *s++; } out.resize( d - out.begin() ); } void kio_sieveProtocol::put(const KURL& url, int /*permissions*/, bool /*overwrite*/, bool /*resume*/) { changeCheck( url ); if (!connect()) return; infoMessage(i18n("Sending data...")); QString filename = url.fileName(false); if (filename.isEmpty()) { error(ERR_MALFORMED_URL, url.prettyURL()); return; } QByteArray data; for (;;) { dataReq(); QByteArray buffer; const int newSize = readData(buffer); append_lf2crlf( data, buffer ); if ( newSize < 0 ) { // read error: network in unknown state so disconnect error(ERR_COULD_NOT_READ, i18n("KIO data supply error.")); return; } if ( newSize == 0 ) break; } // script size int bufLen = (int)data.size(); totalSize(bufLen); // timsieved 1.1.0: // C: HAVESPACE "rejected" 74 // S: NO "Number expected" // C: HAVESPACE 74 // S: NO "Missing script name" // S: HAVESPACE "rejected" "74" // C: NO "Number expected" // => broken, we can't use it :-( // (will be fixed in Cyrus 2.1.10) #ifndef HAVE_BROKEN_TIMSIEVED // first, check quota (it's a SHOULD in draft std) if (!sendData("HAVESPACE \"" + filename.utf8() + "\" " + QCString().setNum( bufLen ))) return; if (!operationSuccessful()) { error(ERR_DISK_FULL, i18n("Quota exceeded")); return; } #endif if (!sendData("PUTSCRIPT \"" + filename.utf8() + "\" {" + QCString().setNum( bufLen ) + "+}")) return; // atEnd() lies so the code below doesn't work. /*if (!atEnd()) { // We are not expecting any data here, so if the server has responded // with anything but OK we treat it as an error. char * buf = new char[2]; while (!atEnd()) { ksDebug() << "Reading..." << endl; read(buf, 1); ksDebug() << "Trailing [" << buf[0] << "]" << endl; } ksDebug() << "End of data." << endl; delete[] buf; if (!operationSuccessful()) { error(ERR_UNSUPPORTED_PROTOCOL, i18n("A protocol error occurred " "while trying to negotiate script uploading.\n" "The server responded:\n%1") .arg(r.getAction().right(r.getAction().length() - 3))); return; } }*/ // upload data to the server if (write(data, bufLen) != bufLen) { error(ERR_COULD_NOT_WRITE, i18n("Network error.")); disconnect(true); return; } // finishing CR/LF if (!sendData("")) return; processedSize(bufLen); infoMessage(i18n("Verifying upload completion...")); if (operationSuccessful()) ksDebug() << "Script upload complete." << endl; else { /* The managesieve server parses received scripts and rejects * scripts which are not syntactically correct. Here we expect * to receive a message detailing the error (only the first * error is reported. */ if (r.getAction().length() > 3) { // make a copy of the extra info QCString extra = r.getAction().right(r.getAction().length() - 3); // send the extra message off for re-processing receiveData(false, &extra); if (r.getType() == kio_sieveResponse::QUANTITY) { // length of the error message uint len = r.getQuantity(); QCString errmsg(len + 1); read(errmsg.data(), len); error(ERR_INTERNAL_SERVER, i18n("The script did not upload successfully.\n" "This is probably due to errors in the script.\n" "The server responded:\n%1").arg(errmsg)); // clear the rest of the incoming data receiveData(); } else if (r.getType() == kio_sieveResponse::KEY_VAL_PAIR) { error(ERR_INTERNAL_SERVER, i18n("The script did not upload successfully.\n" "This is probably due to errors in the script.\n" "The server responded:\n%1").arg(r.getKey())); } else error(ERR_INTERNAL_SERVER, i18n("The script did not upload successfully.\n" "The script may contain errors.")); } else error(ERR_INTERNAL_SERVER, i18n("The script did not upload successfully.\n" "The script may contain errors.")); } //if ( permissions != -1 ) // chmod( url, permissions ); infoMessage(i18n("Done.")); finished(); } static void inplace_crlf2lf( QByteArray & in ) { if ( in.isEmpty() ) return; QByteArray & out = in; // inplace const char * s = in.begin(); const char * const end = in.end(); char * d = out.begin(); char last = '\0'; while ( s < end ) { if ( *s == '\n' && last == '\r' ) --d; *d++ = last = *s++; } out.resize( d - out.begin() ); } /* ---------------------------------------------------------------------------------- */ void kio_sieveProtocol::get(const KURL& url) { changeCheck( url ); if (!connect()) return; infoMessage(i18n("Retrieving data...")); QString filename = url.fileName(false); if (filename.isEmpty()) { error(ERR_MALFORMED_URL, url.prettyURL()); return; } //SlaveBase::mimetype( QString("text/plain") ); // "application/sieve"); if (!sendData("GETSCRIPT \"" + filename.utf8() + "\"")) return; if (receiveData() && r.getType() == kio_sieveResponse::QUANTITY) { // determine script size ssize_t total_len = r.getQuantity(); totalSize( total_len ); int recv_len = 0; do { // wait for data... if ( !waitForResponse( 600 ) ) { error( KIO::ERR_SERVER_TIMEOUT, m_sServer ); disconnect( true ); return; } // ...read data... // Only read as much as we need, otherwise we slurp in the OK that // operationSuccessful() is expecting below. QByteArray dat( kMin( total_len - recv_len, ssize_t(64 * 1024 )) ); ssize_t this_recv_len = read( dat.data(), dat.size() ); if ( this_recv_len < 1 && !isConnectionValid() ) { error( KIO::ERR_CONNECTION_BROKEN, m_sServer ); disconnect( true ); return; } dat.resize( this_recv_len ); inplace_crlf2lf( dat ); // send data to slaveinterface data( dat ); recv_len += this_recv_len; processedSize( recv_len ); } while ( recv_len < total_len ); infoMessage(i18n("Finishing up...") ); data(QByteArray()); if (operationSuccessful()) ksDebug() << "Script retrieval complete." << endl; else ksDebug() << "Script retrieval failed." << endl; } else { error(ERR_UNSUPPORTED_PROTOCOL, i18n("A protocol error occurred " "while trying to negotiate script downloading.")); return; } infoMessage(i18n("Done.")); finished(); } void kio_sieveProtocol::del(const KURL &url, bool isfile) { if (!isfile) { error(ERR_INTERNAL, i18n("Folders are not supported.")); return; } changeCheck( url ); if (!connect()) return; infoMessage(i18n("Deleting file...")); QString filename = url.fileName(false); if (filename.isEmpty()) { error(ERR_MALFORMED_URL, url.prettyURL()); return; } if (!sendData("DELETESCRIPT \"" + filename.utf8() + "\"")) return; if (operationSuccessful()) ksDebug() << "Script deletion successful." << endl; else { error(ERR_INTERNAL_SERVER, i18n("The server would not delete the file.")); return; } infoMessage(i18n("Done.")); finished(); } void kio_sieveProtocol::chmod(const KURL& url, int permissions) { switch ( permissions ) { case 0700: // activate activate(url); break; case 0600: // deactivate deactivate(); break; default: // unsupported error(ERR_CANNOT_CHMOD, i18n("Cannot chmod to anything but 0700 (active) or 0600 (inactive script).")); return; } finished(); } #if defined(_AIX) && defined(stat) #undef stat #endif void kio_sieveProtocol::stat(const KURL& url) { changeCheck( url ); if (!connect()) return; UDSEntry entry; QString filename = url.fileName(false); if (filename.isEmpty()) { UDSAtom atom; atom.m_uds = KIO::UDS_NAME; atom.m_str = "/"; entry.append(atom); atom.m_uds = KIO::UDS_FILE_TYPE; atom.m_long = S_IFDIR; entry.append(atom); atom.m_uds = KIO::UDS_ACCESS; atom.m_long = 0700; entry.append(atom); statEntry(entry); } else { if (!sendData("LISTSCRIPTS")) return; while(receiveData()) { if (r.getType() == kio_sieveResponse::ACTION) { if (r.getAction().contains("OK", false) == 1) // Script list completed break; } else if (filename == QString::fromUtf8(r.getKey())) { entry.clear(); UDSAtom atom; atom.m_uds = KIO::UDS_NAME; atom.m_str = QString::fromUtf8(r.getKey()); entry.append(atom); atom.m_uds = KIO::UDS_FILE_TYPE; atom.m_long = S_IFREG; entry.append(atom); atom.m_uds = KIO::UDS_ACCESS; if ( r.getExtra() == "ACTIVE" ) atom.m_long = 0700; // mark exec'able else atom.m_long = 0600; entry.append(atom); atom.m_uds = KIO::UDS_MIME_TYPE; atom.m_str = "application/sieve"; entry.append(atom); //setMetaData("active", (r.getExtra() == "ACTIVE") ? "yes" : "no"); statEntry(entry); // cannot break here because we need to clear // the rest of the incoming data. } } } finished(); } void kio_sieveProtocol::listDir(const KURL& url) { changeCheck( url ); if (!connect()) return; if (!sendData("LISTSCRIPTS")) return; UDSEntry entry; while(receiveData()) { if (r.getType() == kio_sieveResponse::ACTION) { if (r.getAction().contains("OK", false) == 1) // Script list completed. break; } else { entry.clear(); UDSAtom atom; atom.m_uds = KIO::UDS_NAME; atom.m_str = QString::fromUtf8(r.getKey()); entry.append(atom); atom.m_uds = KIO::UDS_FILE_TYPE; atom.m_long = S_IFREG; entry.append(atom); atom.m_uds = KIO::UDS_ACCESS; if ( r.getExtra() == "ACTIVE" ) atom.m_long = 0700; // mark exec'able else atom.m_long = 0600; entry.append(atom); atom.m_uds = KIO::UDS_MIME_TYPE; atom.m_str = "application/sieve"; entry.append(atom); //asetMetaData("active", (r.getExtra() == "ACTIVE") ? "true" : "false"); ksDebug() << "Listing script " << r.getKey() << endl; listEntry(entry , false); } } listEntry(entry, true); finished(); } /* ---------------------------------------------------------------------------------- */ bool kio_sieveProtocol::saslInteract( void *in, AuthInfo &ai ) { ksDebug() << "sasl_interact" << endl; sasl_interact_t *interact = ( sasl_interact_t * ) in; //some mechanisms do not require username && pass, so it doesn't need a popup //window for getting this info for ( ; interact->id != SASL_CB_LIST_END; interact++ ) { if ( interact->id == SASL_CB_AUTHNAME || interact->id == SASL_CB_PASS ) { if (m_sUser.isEmpty() || m_sPass.isEmpty()) { if (!openPassDlg(ai)) { error(ERR_ABORTED, i18n("No authentication details supplied.")); return false; } m_sUser = ai.username; m_sPass = ai.password; } break; } } interact = ( sasl_interact_t * ) in; while( interact->id != SASL_CB_LIST_END ) { ksDebug() << "SASL_INTERACT id: " << interact->id << endl; switch( interact->id ) { case SASL_CB_USER: case SASL_CB_AUTHNAME: ksDebug() << "SASL_CB_[AUTHNAME|USER]: '" << m_sUser << "'" << endl; interact->result = strdup( m_sUser.utf8() ); interact->len = strlen( (const char *) interact->result ); break; case SASL_CB_PASS: ksDebug() << "SASL_CB_PASS: [hidden] " << endl; interact->result = strdup( m_sPass.utf8() ); interact->len = strlen( (const char *) interact->result ); break; default: interact->result = NULL; interact->len = 0; break; } interact++; } return true; } #define SASLERROR error(ERR_COULD_NOT_AUTHENTICATE, i18n("An error occurred during authentication: %1").arg( \ QString::fromUtf8( sasl_errdetail( conn ) ))); bool kio_sieveProtocol::authenticate() { int result; sasl_conn_t *conn = NULL; sasl_interact_t *client_interact = NULL; const char *out = NULL; uint outlen; const char *mechusing = NULL; QByteArray challenge, tmp; /* Retrieve authentication details from user. * Note: should this require realm as well as user & pass details * before it automatically skips the prompt? * Note2: encoding issues with PLAIN login? */ AuthInfo ai; ai.url.setProtocol("sieve"); ai.url.setHost(m_sServer); ai.url.setPort(m_iPort); ai.username = m_sUser; ai.password = m_sPass; ai.keepPassword = true; ai.caption = i18n("Sieve Authentication Details"); ai.comment = i18n("Please enter your authentication details for your sieve account " "(usually the same as your email password):"); result = sasl_client_new( "sieve", m_sServer.latin1(), 0, 0, callbacks, 0, &conn ); if ( result != SASL_OK ) { ksDebug() << "sasl_client_new failed with: " << result << endl; SASLERROR return false; } QStringList strList; // strList.append("NTLM"); if ( !m_sAuth.isEmpty() ) strList.append( m_sAuth ); else strList = m_sasl_caps; do { result = sasl_client_start(conn, strList.join(" ").latin1(), &client_interact, &out, &outlen, &mechusing); if (result == SASL_INTERACT) if ( !saslInteract( client_interact, ai ) ) { sasl_dispose( &conn ); return false; }; } while ( result == SASL_INTERACT ); if ( result != SASL_CONTINUE && result != SASL_OK ) { ksDebug() << "sasl_client_start failed with: " << result << endl; SASLERROR sasl_dispose( &conn ); return false; } ksDebug() << "Preferred authentication method is " << mechusing << "." << endl; QString firstCommand = "AUTHENTICATE \"" + QString::fromLatin1( mechusing ) + "\""; tmp.setRawData( out, outlen ); KCodecs::base64Encode( tmp, challenge ); tmp.resetRawData( out, outlen ); if ( !challenge.isEmpty() ) { firstCommand += " \""; firstCommand += QString::fromLatin1( challenge.data(), challenge.size() ); firstCommand += "\""; } if (!sendData( firstCommand.latin1() )) return false; QCString command; do { receiveData(); if (operationResult() != OTHER) break; ksDebug() << "Challenge len " << r.getQuantity() << endl; if (r.getType() != kio_sieveResponse::QUANTITY) { sasl_dispose( &conn ); error(ERR_SLAVE_DEFINED, i18n("A protocol error occurred during authentication.\n" "Choose a different authentication method to %1.").arg(mechusing)); return false; } uint qty = r.getQuantity(); receiveData(); if (r.getType() != kio_sieveResponse::ACTION && r.getAction().length() != qty) { sasl_dispose( &conn ); error(ERR_UNSUPPORTED_PROTOCOL, i18n("A protocol error occurred during authentication.\n" "Choose a different authentication method to %1.").arg(mechusing)); return false; } tmp.setRawData( r.getAction().data(), qty ); KCodecs::base64Decode( tmp, challenge ); tmp.resetRawData( r.getAction().data(), qty ); // ksDebug() << "S: [" << r.getAction() << "]." << endl; // ksDebug() << "S-1: [" << QCString(challenge.data(), challenge.size()+1) << "]." << endl; do { result = sasl_client_step(conn, challenge.isEmpty() ? 0 : challenge.data(), challenge.size(), &client_interact, &out, &outlen); if (result == SASL_INTERACT) if ( !saslInteract( client_interact, ai ) ) { sasl_dispose( &conn ); return false; }; } while ( result == SASL_INTERACT ); ksDebug() << "sasl_client_step: " << result << endl; if ( result != SASL_CONTINUE && result != SASL_OK ) { ksDebug() << "sasl_client_step failed with: " << result << endl; SASLERROR sasl_dispose( &conn ); return false; } tmp.setRawData( out, outlen ); KCodecs::base64Encode( tmp, challenge ); tmp.resetRawData( out, outlen ); sendData("\"" + QCString( challenge.data(), challenge.size()+1 ) + "\""); // ksDebug() << "C: [" << QCString(challenge.data(), challenge.size()+1) << "]." << endl; // ksDebug() << "C-1: [" << out << "]." << endl; } while ( true ); ksDebug() << "Challenges finished." << endl; sasl_dispose( &conn ); if (operationResult() == OK) { // Authentication succeeded. return true; } else { // Authentication failed. error(ERR_COULD_NOT_AUTHENTICATE, i18n("Authentication failed.\nMost likely the password is wrong.\nThe server responded:\n%1").arg( r.getAction() ) ); return false; } } /* --------------------------------------------------------------------------- */ void kio_sieveProtocol::mimetype(const KURL & url) { ksDebug() << "Requesting mimetype for " << url.prettyURL() << endl; if (url.fileName(false).isEmpty()) mimeType( "inode/directory" ); else mimeType( "application/sieve" ); finished(); } /* --------------------------------------------------------------------------- */ bool kio_sieveProtocol::sendData(const QCString &data) { QCString write_buf = data + "\r\n"; //ksDebug() << "C: " << data << endl; // Write the command ssize_t write_buf_len = write_buf.length(); if (write(write_buf.data(), write_buf_len) != write_buf_len) { error(ERR_COULD_NOT_WRITE, i18n("Network error.")); disconnect(true); return false; } return true; } /* --------------------------------------------------------------------------- */ bool kio_sieveProtocol::receiveData(bool waitForData, QCString *reparse) { QCString interpret; int start, end; if (!reparse) { if (!waitForData) // is there data waiting? if (atEnd()) return false; // read data from the server char buffer[SIEVE_DEFAULT_RECIEVE_BUFFER]; readLine(buffer, SIEVE_DEFAULT_RECIEVE_BUFFER - 1); buffer[SIEVE_DEFAULT_RECIEVE_BUFFER-1] = '\0'; // strip LF/CR interpret = QCString(buffer).left(qstrlen(buffer) - 2); } else { interpret = reparse->copy(); } r.clear(); //ksDebug() << "S: " << interpret << endl; switch(interpret[0]) { case '{': { // expecting {quantity} start = 0; end = interpret.find("+}", start + 1); // some older versions of Cyrus enclose the literal size just in { } instead of { +} if ( end == -1 ) end = interpret.find('}', start + 1); bool ok = false; r.setQuantity(interpret.mid(start + 1, end - start - 1).toUInt( &ok )); if (!ok) { disconnect(); error(ERR_INTERNAL_SERVER, i18n("A protocol error occurred.")); return false; } return true; } case '"': // expecting "key" "value" pairs break; default: // expecting single string r.setAction(interpret); return true; } start = 0; end = interpret.find(34, start + 1); if (end == -1) { ksDebug() << "Possible insufficient buffer size." << endl; r.setKey(interpret.right(interpret.length() - start)); return true; } r.setKey(interpret.mid(start + 1, end - start - 1)); start = interpret.find(34, end + 1); if (start == -1) { if ((int)interpret.length() > end) // skip " and space r.setExtra(interpret.right(interpret.length() - end - 2)); return true; } end = interpret.find(34, start + 1); if (end == -1) { ksDebug() << "Possible insufficient buffer size." << endl; r.setVal(interpret.right(interpret.length() - start)); return true; } r.setVal(interpret.mid(start + 1, end - start - 1)); return true; } bool kio_sieveProtocol::operationSuccessful() { while (receiveData(false)) { if (r.getType() == kio_sieveResponse::ACTION) { QCString response = r.getAction().left(2); if (response == "OK") { return true; } else if (response == "NO") { return false; } } } return false; } int kio_sieveProtocol::operationResult() { if (r.getType() == kio_sieveResponse::ACTION) { QCString response = r.getAction().left(2); if (response == "OK") { return OK; } else if (response == "NO") { return NO; } else if (response == "BY"/*E*/) { return BYE; } } return OTHER; } bool kio_sieveProtocol::requestCapabilitiesAfterStartTLS() const { // Cyrus didn't send CAPABILITIES after STARTTLS until 2.3.11, which is // not standard conform, but we need to support that anyway. // m_implementation looks like this 'Cyrus timsieved v2.2.12' for Cyrus btw. QRegExp regExp( "Cyrus\\stimsieved\\sv(\\d+)\\.(\\d+)\\.(\\d+)([-\\w]*)", false ); if ( regExp.search( m_implementation ) >= 0 ) { const int major = regExp.cap( 1 ).toInt(); const int minor = regExp.cap( 2 ).toInt(); const int patch = regExp.cap( 3 ).toInt(); const QString vendor = regExp.cap( 4 ); if ( major < 2 || (major == 2 && (minor < 3 || (minor == 3 && patch < 11))) || (vendor == "-kolab-nocaps") ) { ksDebug() << k_funcinfo << "Enabling compat mode for Cyrus < 2.3.11 or Cyrus marked as \"kolab-nocaps\"" << endl; return true; } } return false; } kioslaves Skip menu "kioslaves" Main Page Namespace List Class Hierarchy Alphabetical List Class List File List Class Members Related Pages API Reference Skip menu "API Reference"   doc kioslaves kmail konsolekalendar kpilot libemailfunctions libkcal Generated for API Reference by doxygen 1.5.9 This website is maintained by Adriaan de Groot and Allen Winter. 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