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280 lines
8.3 KiB
280 lines
8.3 KiB
////////////////////////////////////////////////////////////////////////////
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//
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// Project: SMB tdeioslave for KDE2
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//
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// File: tdeio_smb_file.cpp
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//
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// Abstract: member function implementations for SMBSlave that deal with
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// SMB file access
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//
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// Author(s): Matthew Peterson <mpeterson@caldera.com>
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//
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//---------------------------------------------------------------------------
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//
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// Copyright (c) 2000 Caldera Systems, Inc.
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//
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// This program is free software; you can redistribute it and/or modify it
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// under the terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2.1 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; see the file COPYING. If not, please obtain
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// a copy from http://www.gnu.org/copyleft/gpl.html
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "tdeio_smb.h"
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#include "tdeio_smb_internal.h"
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#include <kmimetype.h>
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//===========================================================================
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void SMBSlave::get( const KURL& kurl )
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{
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char buf[MAX_XFER_BUF_SIZE];
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int filefd = 0;
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ssize_t bytesread = 0;
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// time_t curtime = 0;
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time_t lasttime = 0;
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time_t starttime = 0;
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TDEIO::filesize_t totalbytesread = 0;
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TQByteArray filedata;
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SMBUrl url;
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kdDebug(TDEIO_SMB) << "SMBSlave::get on " << kurl << endl;
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// check (correct) URL
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KURL kvurl = checkURL(kurl);
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// if URL is not valid we have to redirect to correct URL
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if (kvurl != kurl) {
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redirection(kvurl);
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finished();
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return;
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}
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if(!auth_initialize_smbc())
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return;
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// Stat
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url = kurl;
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if(cache_stat(url,&st) == -1 )
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{
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if ( errno == EACCES )
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error( TDEIO::ERR_ACCESS_DENIED, url.prettyURL());
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else
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error( TDEIO::ERR_DOES_NOT_EXIST, url.prettyURL());
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return;
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}
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if ( S_ISDIR( st.st_mode ) ) {
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error( TDEIO::ERR_IS_DIRECTORY, url.prettyURL());
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return;
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}
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// Set the total size
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totalSize( st.st_size );
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// Open and read the file
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filefd = smbc_open(url.toSmbcUrl(),O_RDONLY,0);
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if(filefd >= 0)
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{
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if(buf)
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{
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bool isFirstPacket = true;
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lasttime = starttime = time(NULL);
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while(1)
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{
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bytesread = smbc_read(filefd, buf, MAX_XFER_BUF_SIZE);
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if(bytesread == 0)
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{
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// All done reading
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break;
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}
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else if(bytesread < 0)
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{
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error( TDEIO::ERR_COULD_NOT_READ, url.prettyURL());
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return;
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}
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filedata.setRawData(buf,bytesread);
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if (isFirstPacket)
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{
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// We need a KMimeType::findByNameAndContent(filename,data)
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// For now we do: find by extension, and if not found (or extension not reliable)
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// then find by content.
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bool accurate = false;
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KMimeType::Ptr mime = KMimeType::findByURL( kurl, st.st_mode, false, true, &accurate );
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if ( !mime || mime->name() == KMimeType::defaultMimeType()
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|| !accurate )
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{
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KMimeType::Ptr p_mimeType = KMimeType::findByContent(filedata);
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if ( p_mimeType && p_mimeType->name() != KMimeType::defaultMimeType() )
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mime = p_mimeType;
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}
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mimeType(mime->name());
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isFirstPacket = false;
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}
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data( filedata );
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filedata.resetRawData(buf,bytesread);
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// increment total bytes read
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totalbytesread += bytesread;
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processedSize(totalbytesread);
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}
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}
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smbc_close(filefd);
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data( TQByteArray() );
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processedSize(static_cast<TDEIO::filesize_t>(st.st_size));
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}
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else
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{
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error( TDEIO::ERR_CANNOT_OPEN_FOR_READING, url.prettyURL());
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return;
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}
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finished();
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}
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//===========================================================================
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void SMBSlave::put( const KURL& kurl,
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int permissions,
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bool overwrite,
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bool resume )
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{
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void *buf;
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size_t bufsize;
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m_current_url = kurl;
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int filefd;
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bool exists;
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mode_t mode;
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TQByteArray filedata;
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kdDebug(TDEIO_SMB) << "SMBSlave::put on " << kurl << endl;
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exists = (cache_stat(m_current_url, &st) != -1 );
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if ( exists && !overwrite && !resume)
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{
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if (S_ISDIR(st.st_mode))
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{
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kdDebug(TDEIO_SMB) << "SMBSlave::put on " << kurl <<" already isdir !!"<< endl;
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error( TDEIO::ERR_DIR_ALREADY_EXIST, m_current_url.prettyURL());
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}
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else
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{
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kdDebug(TDEIO_SMB) << "SMBSlave::put on " << kurl <<" already exist !!"<< endl;
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error( TDEIO::ERR_FILE_ALREADY_EXIST, m_current_url.prettyURL());
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}
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return;
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}
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if (exists && !resume && overwrite)
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{
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kdDebug(TDEIO_SMB) << "SMBSlave::put exists try to remove " << m_current_url.toSmbcUrl()<< endl;
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// remove(m_current_url.url().local8Bit());
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}
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if (resume)
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{
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// append if resuming
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kdDebug(TDEIO_SMB) << "SMBSlave::put resume " << m_current_url.toSmbcUrl()<< endl;
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filefd = smbc_open(m_current_url.toSmbcUrl(), O_RDWR, 0 );
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smbc_lseek(filefd, 0, SEEK_END);
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}
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else
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{
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if (permissions != -1)
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{
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mode = permissions | S_IWUSR | S_IRUSR;
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}
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else
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{
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mode = 600;//0666;
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}
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kdDebug(TDEIO_SMB) << "SMBSlave::put NO resume " << m_current_url.toSmbcUrl()<< endl;
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filefd = smbc_open(m_current_url.toSmbcUrl(), O_CREAT | O_TRUNC | O_WRONLY, mode);
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}
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if ( filefd < 0 )
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{
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if ( errno == EACCES )
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{
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kdDebug(TDEIO_SMB) << "SMBSlave::put error " << kurl <<" access denied !!"<< endl;
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error( TDEIO::ERR_WRITE_ACCESS_DENIED, m_current_url.prettyURL());
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}
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else
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{
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kdDebug(TDEIO_SMB) << "SMBSlave::put error " << kurl <<" can not open for writing !!"<< endl;
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error( TDEIO::ERR_CANNOT_OPEN_FOR_WRITING, m_current_url.prettyURL());
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}
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finished();
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return;
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}
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// Loop until we got 0 (end of data)
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while(1)
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{
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kdDebug(TDEIO_SMB) << "SMBSlave::put request data "<< endl;
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dataReq(); // Request for data
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kdDebug(TDEIO_SMB) << "SMBSlave::put write " << m_current_url.toSmbcUrl()<< endl;
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if (readData(filedata) <= 0)
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{
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kdDebug(TDEIO_SMB) << "readData <= 0" << endl;
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break;
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}
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kdDebug(TDEIO_SMB) << "SMBSlave::put write " << m_current_url.toSmbcUrl()<< endl;
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buf = filedata.data();
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bufsize = filedata.size();
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int size = smbc_write(filefd, buf, bufsize);
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if ( size < 0)
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{
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kdDebug(TDEIO_SMB) << "SMBSlave::put error " << kurl <<" could not write !!"<< endl;
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error( TDEIO::ERR_COULD_NOT_WRITE, m_current_url.prettyURL());
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finished();
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return;
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}
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kdDebug(TDEIO_SMB ) << "wrote " << size << endl;
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}
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kdDebug(TDEIO_SMB) << "SMBSlave::put close " << m_current_url.toSmbcUrl()<< endl;
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if(smbc_close(filefd))
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{
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kdDebug(TDEIO_SMB) << "SMBSlave::put on " << kurl <<" could not write !!"<< endl;
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error( TDEIO::ERR_COULD_NOT_WRITE, m_current_url.prettyURL());
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finished();
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return;
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}
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// set final permissions, if the file was just created
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if ( permissions != -1 && !exists )
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{
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// TODO: did the smbc_chmod fail?
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// TODO: put in call to chmod when it is working!
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// smbc_chmod(url.toSmbcUrl(),permissions);
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}
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// We have done our job => finish
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finished();
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}
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