/* -*- c++ -*- response.cc This file is part of kio_smtp, the KDE SMTP tdeioslave. Copyright (c) 2003 Marc Mutz 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. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA In addition, as a special exception, the copyright holders give permission to link the code of this program with any edition of the Qt library by Trolltech AS, Norway (or with modified versions of Qt that use the same license as Qt), and distribute linked combinations including the two. You must obey the GNU General Public License in all respects for all of the code used other than Qt. If you modify this file, you may extend this exception to your version of the file, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version. */ #include #include "response.h" #include #include #include namespace KioSMTP { void Response::parseLine( const char * line, int len ) { if ( !isWellFormed() ) return; // don't bother if ( isComplete() ) // if the response is already complete, there can't be another line mValid = false; if ( len > 1 && line[len-1] == '\n' && line[len-2] == '\r' ) len -= 2; if ( len < 3 ) { // can't be valid - too short mValid = false; mWellFormed = false; return; } bool ok = false; unsigned int code = TQCString( line, 3+1 ).toUInt( &ok ); if ( !ok || code < 100 || code > 559 ) { // not a number or number out of range mValid = false; if ( !ok || code < 100 ) mWellFormed = false; return; } if ( mCode && code != mCode ) { // different codes in one response are not allowed. mValid = false; return; } mCode = code; if ( len == 3 || line[3] == ' ' ) mSawLastLine = true; else if ( line[3] != '-' ) { // code must be followed by either SP or hyphen (len == 3 is // also accepted since broken servers exist); all else is // invalid mValid = false; mWellFormed = false; return; } mLines.push_back( len > 4 ? TQCString( line+4, len-4+1 ).stripWhiteSpace() : TQCString() ); } // hackishly fixing QCStringList flaws... static TQCString join( char sep, const QCStringList & list ) { if ( list.empty() ) return TQCString(); TQCString result = list.front(); for ( QCStringList::const_iterator it = ++list.begin() ; it != list.end() ; ++it ) result += sep + *it; return result; } TQString Response::errorMessage() const { TQString msg; if ( lines().count() > 1 ) msg = i18n("The server responded:\n%1") .arg( static_cast(join( '\n', lines()) ) ); else msg = i18n("The server responded: \"%1\"") .arg( static_cast(lines().front()) ); if ( first() == 4 ) msg += '\n' + i18n("This is a temporary failure. " "You may try again later."); return msg; } int Response::errorCode() const { switch ( code() ) { case 421: // Service not available, closing transmission channel case 454: // TLS not available due to temporary reason // Temporary authentication failure case 554: // Transaction failed / No SMTP service here / No valid recipients return TDEIO::ERR_SERVICE_NOT_AVAILABLE; case 451: // Requested action aborted: local error in processing return TDEIO::ERR_INTERNAL_SERVER; case 452: // Requested action not taken: insufficient system storage case 552: // Requested mail action aborted: exceeded storage allocation return TDEIO::ERR_DISK_FULL; case 500: // Syntax error, command unrecognized case 501: // Syntax error in parameters or arguments case 502: // Command not implemented case 503: // Bad sequence of commands case 504: // Command parameter not implemented return TDEIO::ERR_INTERNAL; case 450: // Requested mail action not taken: mailbox unavailable case 550: // Requested action not taken: mailbox unavailable case 551: // User not local; please try case 553: // Requested action not taken: mailbox name not allowed return TDEIO::ERR_DOES_NOT_EXIST; case 530: // {STARTTLS,Authentication} required case 538: // Encryption required for requested authentication mechanism case 534: // Authentication mechanism is too weak return TDEIO::ERR_UPGRADE_REQUIRED; case 432: // A password transition is needed return TDEIO::ERR_COULD_NOT_AUTHENTICATE; default: if ( isPositive() ) return 0; else return TDEIO::ERR_UNKNOWN; } } } // namespace KioSMTP