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tdebase/kioslave/nfs/kio_nfs.cpp

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/* This file is part of the KDE project
Copyright (C) 2000 Alexander Neundorf <neundorf@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.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <arpa/inet.h>
// This is needed on Solaris so that rpc.h defines clnttcp_create etc.
#ifndef PORTMAP
#define PORTMAP
#endif
#include <rpc/rpc.h> // for rpc calls
#include <errno.h>
#include <grp.h>
#include <memory.h>
#include <netdb.h>
#include <pwd.h>
#include <stdlib.h>
#include <strings.h>
#include <stdio.h>
#include <time.h>
#include <unistd.h>
#include <qfile.h>
#include <qdir.h>
#include <kdebug.h>
#include <kinstance.h>
#include <klocale.h>
#include <kio/global.h>
#include <iostream>
#include "nfs_prot.h"
#define fhandle _fhandle
#include "mount.h"
#include "kio_nfs.h"
#define MAXHOSTLEN 256
//#define MAXFHAGE 60*15 //15 minutes maximum age for file handles
//this ioslave is for NFS version 2
#define NFSPROG ((u_long)100003)
#define NFSVERS ((u_long)2)
using namespace KIO;
using namespace std;
//this is taken from kdelibs/kdecore/fakes.cpp
//#if !defined(HAVE_GETDOMAINNAME)
int x_getdomainname(char *name, size_t len)
{
struct utsname uts;
struct hostent *hent;
int rv = -1;
if (name == 0L)
errno = EINVAL;
else
{
name[0] = '\0';
if (uname(&uts) >= 0)
{
if ((hent = gethostbyname(uts.nodename)) != 0L)
{
char *p = (char*)strchr(hent->h_name, '.');
if (p != 0L)
{
++p;
if (strlen(p) > len-1)
errno = EINVAL;
else
{
strcpy(name, p);
rv = 0;
}
}
}
}
}
return rv;
}
//#endif
extern "C" { int KDE_EXPORT kdemain(int argc, char **argv); }
int kdemain( int argc, char **argv )
{
KInstance instance( "kio_nfs" );
if (argc != 4)
{
fprintf(stderr, "Usage: kio_nfs protocol domain-socket1 domain-socket2\n");
exit(-1);
}
kdDebug(7121) << "NFS: kdemain: starting" << endl;
NFSProtocol slave(argv[2], argv[3]);
slave.dispatchLoop();
return 0;
}
static bool isRoot(const QString& path)
{
return (path.isEmpty() || (path=="/"));
}
static bool isAbsoluteLink(const QString& path)
{
//hmm, don't know
if (path.isEmpty()) return TRUE;
if (path[0]=='/') return TRUE;
return FALSE;
}
static void createVirtualDirEntry(UDSEntry & entry)
{
UDSAtom 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 = S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
entry.append( atom );
atom.m_uds = KIO::UDS_USER;
atom.m_str = "root";
entry.append( atom );
atom.m_uds = KIO::UDS_GROUP;
atom.m_str = "root";
entry.append( atom );
//a dummy size
atom.m_uds = KIO::UDS_SIZE;
atom.m_long = 1024;
entry.append( atom );
}
static void stripTrailingSlash(QString& path)
{
//if (path=="/") return;
if (path=="/") path="";
else if (path[path.length()-1]=='/') path.truncate(path.length()-1);
}
static void getLastPart(const QString& path, QString& lastPart, QString& rest)
{
int slashPos=path.findRev("/");
lastPart=path.mid(slashPos+1);
rest=path.left(slashPos+1);
}
static QString removeFirstPart(const QString& path)
{
QString result("");
if (path.isEmpty()) return result;
result=path.mid(1);
int slashPos=result.find("/");
return result.mid(slashPos+1);
}
NFSFileHandle::NFSFileHandle()
:m_isInvalid(FALSE)
{
memset(m_handle,'\0',NFS_FHSIZE+1);
// m_detectTime=time(0);
}
NFSFileHandle::NFSFileHandle(const NFSFileHandle & handle)
:m_isInvalid(FALSE)
{
m_handle[NFS_FHSIZE]='\0';
memcpy(m_handle,handle.m_handle,NFS_FHSIZE);
m_isInvalid=handle.m_isInvalid;
// m_detectTime=handle.m_detectTime;
}
NFSFileHandle::~NFSFileHandle()
{}
NFSFileHandle& NFSFileHandle::operator= (const NFSFileHandle& src)
{
memcpy(m_handle,src.m_handle,NFS_FHSIZE);
m_isInvalid=src.m_isInvalid;
// m_detectTime=src.m_detectTime;
return *this;
}
NFSFileHandle& NFSFileHandle::operator= (const char* src)
{
if (src==0)
{
m_isInvalid=TRUE;
return *this;
};
memcpy(m_handle,src,NFS_FHSIZE);
m_isInvalid=FALSE;
// m_detectTime=time(0);
return *this;
}
/*time_t NFSFileHandle::age() const
{
return (time(0)-m_detectTime);
}*/
NFSProtocol::NFSProtocol (const QCString &pool, const QCString &app )
:SlaveBase( "nfs", pool, app )
,m_client(0)
,m_sock(-1)
,m_lastCheck(time(0))
{
kdDebug(7121)<<"NFS::NFS: -"<<pool<<"-"<<endl;
}
NFSProtocol::~NFSProtocol()
{
closeConnection();
}
/*This one is currently unused, so it could be removed.
The intention was to keep handles around, and from time to time
remove handles which are too old. Alex
*/
/*void NFSProtocol::checkForOldFHs()
{
kdDebug(7121)<<"checking for fhs older than "<<MAXFHAGE<<endl;
kdDebug(7121)<<"current items: "<<m_handleCache.count()<<endl;
NFSFileHandleMap::Iterator it=m_handleCache.begin();
NFSFileHandleMap::Iterator lastIt=it;
while (it!=m_handleCache.end())
{
kdDebug(7121)<<it.data().age()<<flush;
if (it.data().age()>MAXFHAGE)
{
kdDebug(7121)<<"removing"<<endl;
m_handleCache.remove(it);
if (it==lastIt)
{
it=m_handleCache.begin();
lastIt=it;
}
else
it=lastIt;
}
lastIt=it;
it++;
};
kdDebug(7121)<<"left items: "<<m_handleCache.count()<<endl;
m_lastCheck=time(0);
}*/
void NFSProtocol::closeConnection()
{
close(m_sock);
m_sock=-1;
if (m_client==0) return;
CLNT_DESTROY(m_client);
m_client=0;
}
bool NFSProtocol::isExportedDir(const QString& path)
{
return (m_exportedDirs.find(path.mid(1))!=m_exportedDirs.end());
}
/* This one works recursive.
It tries to get the file handle out of the file handle cache.
If this doesn't succeed, it needs to do a nfs rpc call
in order to obtain one.
*/
NFSFileHandle NFSProtocol::getFileHandle(QString path)
{
if (m_client==0) openConnection();
//I'm not sure if this is useful
//if ((time(0)-m_lastCheck)>MAXFHAGE) checkForOldFHs();
stripTrailingSlash(path);
kdDebug(7121)<<"getting FH for -"<<path<<"-"<<endl;
//now the path looks like "/root/some/dir" or "" if it was "/"
NFSFileHandle parentFH;
//we didn't find it
if (path.isEmpty())
{
kdDebug(7121)<<"path is empty, invalidating the FH"<<endl;
parentFH.setInvalid();
return parentFH;
}
//check wether we have this filehandle cached
//the filehandles of the exported root dirs are always in the cache
if (m_handleCache.find(path)!=m_handleCache.end())
{
kdDebug(7121)<<"path is in the cache, returning the FH -"<<m_handleCache[path]<<"-"<<endl;
return m_handleCache[path];
}
QString rest, lastPart;
getLastPart(path,lastPart,rest);
kdDebug(7121)<<"splitting path into rest -"<<rest<<"- and lastPart -"<<lastPart<<"-"<<endl;
parentFH=getFileHandle(rest);
//f*ck, it's invalid
if (parentFH.isInvalid())
{
kdDebug(7121)<<"the parent FH is invalid"<<endl;
return parentFH;
}
// do the rpc call
diropargs dirargs;
diropres dirres;
memcpy(dirargs.dir.data,(const char*)parentFH,NFS_FHSIZE);
QCString tmpStr=QFile::encodeName(lastPart);
dirargs.name=tmpStr.data();
//cerr<<"calling rpc: FH: -"<<parentFH<<"- with name -"<<dirargs.name<<"-"<<endl;
int clnt_stat = clnt_call(m_client, NFSPROC_LOOKUP,
(xdrproc_t) xdr_diropargs, (char*)&dirargs,
(xdrproc_t) xdr_diropres, (char*)&dirres,total_timeout);
if ((clnt_stat!=RPC_SUCCESS) || (dirres.status!=NFS_OK))
{
//we failed
kdDebug(7121)<<"lookup of filehandle failed"<<endl;
parentFH.setInvalid();
return parentFH;
}
//everything went fine up to now :-)
parentFH=dirres.diropres_u.diropres.file.data;
//kdDebug(7121)<<"filesize: "<<dirres.diropres_u.diropres.attributes.size<<endl;
m_handleCache.insert(path,parentFH);
kdDebug(7121)<<"return FH -"<<parentFH<<"-"<<endl;
return parentFH;
}
/* Open connection connects to the mount daemon on the server side.
In order to do this it needs authentication and calls auth_unix_create().
Then it asks the mount daemon for the exported shares. Then it tries
to mount all these shares. If this succeeded for at least one of them,
a client for the nfs daemon is created.
*/
void NFSProtocol::openConnection()
{
kdDebug(7121)<<"NFS::openConnection for -" << m_currentHost.latin1() << "-" << endl;
if (m_currentHost.isEmpty())
{
error(ERR_UNKNOWN_HOST,"");
return;
}
struct sockaddr_in server_addr;
if (m_currentHost[0] >= '0' && m_currentHost[0] <= '9')
{
server_addr.sin_family = AF_INET;
server_addr.sin_addr.s_addr = inet_addr(m_currentHost.latin1());
}
else
{
struct hostent *hp=gethostbyname(m_currentHost.latin1());
if (hp==0)
{
error( ERR_UNKNOWN_HOST, m_currentHost.latin1() );
return;
}
server_addr.sin_family = AF_INET;
memcpy(&server_addr.sin_addr, hp->h_addr, hp->h_length);
}
// create mount deamon client
closeConnection();
server_addr.sin_port = 0;
m_sock = RPC_ANYSOCK;
m_client=clnttcp_create(&server_addr,MOUNTPROG, MOUNTVERS, &m_sock, 0, 0);
if (m_client==0)
{
server_addr.sin_port = 0;
m_sock = RPC_ANYSOCK;
pertry_timeout.tv_sec = 3;
pertry_timeout.tv_usec = 0;
m_client = clntudp_create(&server_addr,MOUNTPROG, MOUNTVERS, pertry_timeout, &m_sock);
if (m_client==0)
{
clnt_pcreateerror(const_cast<char *>("mount clntudp_create"));
error(ERR_COULD_NOT_CONNECT, m_currentHost.latin1());
return;
}
}
QCString hostName("localhost");
char nameBuffer[1024];
nameBuffer[0] = '\0';
if (gethostname(nameBuffer, 1024)==0)
{
nameBuffer[sizeof(nameBuffer)-1] = '\0';
hostName=nameBuffer;
// I have the same problem here as Stefan Westerfeld, that's why I use
// the getdomainname() from fakes.cpp (renamed to x_getdomainname()), this one works
// taken from kdelibs/arts/mcopy/mcoputils.cc
nameBuffer[0] = '\0';
if (x_getdomainname(nameBuffer, 1024)==0)
{
nameBuffer[sizeof(nameBuffer)-1] = '\0';
/*
* I don't know why, but on my linux machine, the domainname
* always ends up being (none), which is certainly no valid
* domainname
*/
if(strcmp(nameBuffer,"(none)") != 0) {
hostName += ".";
hostName += nameBuffer;
}
}
}
kdDebug(7121) << "hostname is -" << hostName << "-" << endl;
m_client->cl_auth = authunix_create(hostName.data(), geteuid(), getegid(), 0, 0);
total_timeout.tv_sec = 20;
total_timeout.tv_usec = 0;
exports exportlist;
//now do the stuff
memset(&exportlist, '\0', sizeof(exportlist));
int clnt_stat = clnt_call(m_client, MOUNTPROC_EXPORT,(xdrproc_t) xdr_void, NULL,
(xdrproc_t) xdr_exports, (char*)&exportlist,total_timeout);
if (!checkForError(clnt_stat, 0, m_currentHost.latin1())) return;
fhstatus fhStatus;
bool atLeastOnceSucceeded(FALSE);
for(; exportlist!=0;exportlist = exportlist->ex_next) {
kdDebug(7121) << "found export: " << exportlist->ex_dir << endl;
memset(&fhStatus, 0, sizeof(fhStatus));
clnt_stat = clnt_call(m_client, MOUNTPROC_MNT,(xdrproc_t) xdr_dirpath, (char*)(&(exportlist->ex_dir)),
(xdrproc_t) xdr_fhstatus,(char*) &fhStatus,total_timeout);
if (fhStatus.fhs_status==0) {
atLeastOnceSucceeded=TRUE;
NFSFileHandle fh;
fh=fhStatus.fhstatus_u.fhs_fhandle;
QString fname;
if ( exportlist->ex_dir[0] == '/' )
fname = KIO::encodeFileName(exportlist->ex_dir + 1);
else
fname = KIO::encodeFileName(exportlist->ex_dir);
m_handleCache.insert(QString("/")+fname,fh);
m_exportedDirs.append(fname);
// kdDebug() <<"appending file -"<<fname<<"- with FH: -"<<fhStatus.fhstatus_u.fhs_fhandle<<"-"<<endl;
}
}
if (!atLeastOnceSucceeded)
{
closeConnection();
error( ERR_COULD_NOT_AUTHENTICATE, m_currentHost.latin1());
return;
}
server_addr.sin_port = 0;
//now create the client for the nfs daemon
//first get rid of the old one
closeConnection();
m_sock = RPC_ANYSOCK;
m_client = clnttcp_create(&server_addr,NFSPROG,NFSVERS,&m_sock,0,0);
if (m_client == 0)
{
server_addr.sin_port = 0;
m_sock = RPC_ANYSOCK;
pertry_timeout.tv_sec = 3;
pertry_timeout.tv_usec = 0;
m_client = clntudp_create(&server_addr,NFSPROG, NFSVERS, pertry_timeout, &m_sock);
if (m_client==0)
{
clnt_pcreateerror(const_cast<char *>("NFS clntudp_create"));
error(ERR_COULD_NOT_CONNECT, m_currentHost.latin1());
return;
}
}
m_client->cl_auth = authunix_create(hostName.data(),geteuid(),getegid(),0,0);
connected();
kdDebug(7121)<<"openConnection succeeded"<<endl;
}
void NFSProtocol::listDir( const KURL& _url)
{
KURL url(_url);
QString path( QFile::encodeName(url.path()));
if (path.isEmpty())
{
url.setPath("/");
redirection(url);
finished();
return;
}
//open the connection
if (m_client==0) openConnection();
//it failed
if (m_client==0) return;
if (isRoot(path))
{
kdDebug(7121)<<"listing root"<<endl;
totalSize( m_exportedDirs.count());
//in this case we don't need to do a real listdir
UDSEntry entry;
for (QStringList::Iterator it=m_exportedDirs.begin(); it!=m_exportedDirs.end(); it++)
{
UDSAtom atom;
entry.clear();
atom.m_uds = KIO::UDS_NAME;
atom.m_str = (*it);
kdDebug(7121)<<"listing "<<(*it)<<endl;
entry.append( atom );
createVirtualDirEntry(entry);
listEntry( entry, false);
}
listEntry( entry, true ); // ready
finished();
return;
}
QStringList filesToList;
kdDebug(7121)<<"getting subdir -"<<path<<"-"<<endl;
stripTrailingSlash(path);
NFSFileHandle fh=getFileHandle(path);
//cerr<<"this is the fh: -"<<fh<<"-"<<endl;
if (fh.isInvalid())
{
error( ERR_DOES_NOT_EXIST, path);
return;
}
readdirargs listargs;
memset(&listargs,0,sizeof(listargs));
listargs.count=1024*16;
memcpy(listargs.dir.data,fh,NFS_FHSIZE);
readdirres listres;
do
{
memset(&listres,'\0',sizeof(listres));
int clnt_stat = clnt_call(m_client, NFSPROC_READDIR, (xdrproc_t) xdr_readdirargs, (char*)&listargs,
(xdrproc_t) xdr_readdirres, (char*)&listres,total_timeout);
if (!checkForError(clnt_stat,listres.status,path)) return;
for (entry *dirEntry=listres.readdirres_u.reply.entries;dirEntry!=0;dirEntry=dirEntry->nextentry)
{
if ((QString(".")!=dirEntry->name) && (QString("..")!=dirEntry->name))
filesToList.append(dirEntry->name);
}
} while (!listres.readdirres_u.reply.eof);
totalSize( filesToList.count());
UDSEntry entry;
//stat all files in filesToList
for (QStringList::Iterator it=filesToList.begin(); it!=filesToList.end(); it++)
{
UDSAtom atom;
diropargs dirargs;
diropres dirres;
memcpy(dirargs.dir.data,fh,NFS_FHSIZE);
QCString tmpStr=QFile::encodeName(*it);
dirargs.name=tmpStr.data();
kdDebug(7121)<<"calling rpc: FH: -"<<fh<<"- with name -"<<dirargs.name<<"-"<<endl;
int clnt_stat= clnt_call(m_client, NFSPROC_LOOKUP,
(xdrproc_t) xdr_diropargs, (char*)&dirargs,
(xdrproc_t) xdr_diropres, (char*)&dirres,total_timeout);
if (!checkForError(clnt_stat,dirres.status,(*it))) return;
NFSFileHandle tmpFH;
tmpFH=dirres.diropres_u.diropres.file.data;
m_handleCache.insert(path+"/"+(*it),tmpFH);
entry.clear();
atom.m_uds = KIO::UDS_NAME;
atom.m_str = (*it);
entry.append( atom );
//is it a symlink ?
if (S_ISLNK(dirres.diropres_u.diropres.attributes.mode))
{
kdDebug(7121)<<"it's a symlink !"<<endl;
//cerr<<"fh: "<<tmpFH<<endl;
nfs_fh nfsFH;
memcpy(nfsFH.data,dirres.diropres_u.diropres.file.data,NFS_FHSIZE);
//get the link dest
readlinkres readLinkRes;
char nameBuf[NFS_MAXPATHLEN];
readLinkRes.readlinkres_u.data=nameBuf;
int clnt_stat=clnt_call(m_client, NFSPROC_READLINK,
(xdrproc_t) xdr_nfs_fh, (char*)&nfsFH,
(xdrproc_t) xdr_readlinkres, (char*)&readLinkRes,total_timeout);
if (!checkForError(clnt_stat,readLinkRes.status,(*it))) return;
kdDebug(7121)<<"link dest is -"<<readLinkRes.readlinkres_u.data<<"-"<<endl;
QCString linkDest(readLinkRes.readlinkres_u.data);
atom.m_uds = KIO::UDS_LINK_DEST;
atom.m_str = linkDest;
entry.append( atom );
bool isValid=isValidLink(path,linkDest);
if (!isValid)
{
completeBadLinkUDSEntry(entry,dirres.diropres_u.diropres.attributes);
}
else
{
if (isAbsoluteLink(linkDest))
{
completeAbsoluteLinkUDSEntry(entry,linkDest);
}
else
{
tmpStr=QDir::cleanDirPath(path+QString("/")+QString(linkDest)).latin1();
dirargs.name=tmpStr.data();
tmpFH=getFileHandle(tmpStr);
memcpy(dirargs.dir.data,tmpFH,NFS_FHSIZE);
attrstat attrAndStat;
kdDebug(7121)<<"calling rpc: FH: -"<<fh<<"- with name -"<<dirargs.name<<"-"<<endl;
clnt_stat = clnt_call(m_client, NFSPROC_GETATTR,
(xdrproc_t) xdr_diropargs, (char*)&dirargs,
(xdrproc_t) xdr_attrstat, (char*)&attrAndStat,total_timeout);
if (!checkForError(clnt_stat,attrAndStat.status,tmpStr)) return;
completeUDSEntry(entry,attrAndStat.attrstat_u.attributes);
}
}
}
else
completeUDSEntry(entry,dirres.diropres_u.diropres.attributes);
listEntry( entry, false);
}
listEntry( entry, true ); // ready
finished();
}
void NFSProtocol::stat( const KURL & url)
{
QString path( QFile::encodeName(url.path()));
stripTrailingSlash(path);
kdDebug(7121)<<"NFS::stat for -"<<path<<"-"<<endl;
QString tmpPath=path;
if ((tmpPath.length()>1) && (tmpPath[0]=='/')) tmpPath=tmpPath.mid(1);
// We can't stat root, but we know it's a dir
if (isRoot(path) || isExportedDir(path))
{
UDSEntry entry;
UDSAtom atom;
atom.m_uds = KIO::UDS_NAME;
atom.m_str = path;
entry.append( atom );
createVirtualDirEntry(entry);
// no size
statEntry( entry );
finished();
kdDebug(7121)<<"succeeded"<<endl;
return;
}
NFSFileHandle fh=getFileHandle(path);
if (fh.isInvalid())
{
error(ERR_DOES_NOT_EXIST,path);
return;
}
diropargs dirargs;
attrstat attrAndStat;
memcpy(dirargs.dir.data,fh,NFS_FHSIZE);
QCString tmpStr=QFile::encodeName(path);
dirargs.name=tmpStr.data();
kdDebug(7121)<<"calling rpc: FH: -"<<fh<<"- with name -"<<dirargs.name<<"-"<<endl;
int clnt_stat = clnt_call(m_client, NFSPROC_GETATTR,
(xdrproc_t) xdr_diropargs, (char*)&dirargs,
(xdrproc_t) xdr_attrstat, (char*)&attrAndStat,total_timeout);
if (!checkForError(clnt_stat,attrAndStat.status,path)) return;
UDSEntry entry;
entry.clear();
UDSAtom atom;
QString fileName, parentDir;
getLastPart(path, fileName, parentDir);
stripTrailingSlash(parentDir);
atom.m_uds = KIO::UDS_NAME;
atom.m_str = fileName;
entry.append( atom );
//is it a symlink ?
if (S_ISLNK(attrAndStat.attrstat_u.attributes.mode))
{
kdDebug(7121)<<"it's a symlink !"<<endl;
nfs_fh nfsFH;
memcpy(nfsFH.data,fh,NFS_FHSIZE);
//get the link dest
readlinkres readLinkRes;
char nameBuf[NFS_MAXPATHLEN];
readLinkRes.readlinkres_u.data=nameBuf;
int clnt_stat=clnt_call(m_client, NFSPROC_READLINK,
(xdrproc_t) xdr_nfs_fh, (char*)&nfsFH,
(xdrproc_t) xdr_readlinkres, (char*)&readLinkRes,total_timeout);
if (!checkForError(clnt_stat,readLinkRes.status,path)) return;
kdDebug(7121)<<"link dest is -"<<readLinkRes.readlinkres_u.data<<"-"<<endl;
QCString linkDest(readLinkRes.readlinkres_u.data);
atom.m_uds = KIO::UDS_LINK_DEST;
atom.m_str = linkDest;
entry.append( atom );
bool isValid=isValidLink(parentDir,linkDest);
if (!isValid)
{
completeBadLinkUDSEntry(entry,attrAndStat.attrstat_u.attributes);
}
else
{
if (isAbsoluteLink(linkDest))
{
completeAbsoluteLinkUDSEntry(entry,linkDest);
}
else
{
tmpStr=QDir::cleanDirPath(parentDir+QString("/")+QString(linkDest)).latin1();
diropargs dirargs;
dirargs.name=tmpStr.data();
NFSFileHandle tmpFH;
tmpFH=getFileHandle(tmpStr);
memcpy(dirargs.dir.data,tmpFH,NFS_FHSIZE);
kdDebug(7121)<<"calling rpc: FH: -"<<fh<<"- with name -"<<dirargs.name<<"-"<<endl;
clnt_stat = clnt_call(m_client, NFSPROC_GETATTR,
(xdrproc_t) xdr_diropargs, (char*)&dirargs,
(xdrproc_t) xdr_attrstat, (char*)&attrAndStat,total_timeout);
if (!checkForError(clnt_stat,attrAndStat.status,tmpStr)) return;
completeUDSEntry(entry,attrAndStat.attrstat_u.attributes);
}
}
}
else
completeUDSEntry(entry,attrAndStat.attrstat_u.attributes);
statEntry( entry );
finished();
}
void NFSProtocol::completeAbsoluteLinkUDSEntry(UDSEntry& entry, const QCString& path)
{
//taken from file.cc
struct stat buff;
if ( ::stat( path.data(), &buff ) == -1 ) return;
UDSAtom atom;
atom.m_uds = KIO::UDS_FILE_TYPE;
atom.m_long = buff.st_mode & S_IFMT; // extract file type
entry.append( atom );
atom.m_uds = KIO::UDS_ACCESS;
atom.m_long = buff.st_mode & 07777; // extract permissions
entry.append( atom );
atom.m_uds = KIO::UDS_SIZE;
atom.m_long = buff.st_size;
entry.append( atom );
atom.m_uds = KIO::UDS_MODIFICATION_TIME;
atom.m_long = buff.st_mtime;
entry.append( atom );
atom.m_uds = KIO::UDS_USER;
uid_t uid = buff.st_uid;
QString *temp = m_usercache.find( uid );
if ( !temp )
{
struct passwd *user = getpwuid( uid );
if ( user )
{
m_usercache.insert( uid, new QString(QString::fromLatin1(user->pw_name)) );
atom.m_str = user->pw_name;
}
else
atom.m_str = "???";
}
else
atom.m_str = *temp;
entry.append( atom );
atom.m_uds = KIO::UDS_GROUP;
gid_t gid = buff.st_gid;
temp = m_groupcache.find( gid );
if ( !temp )
{
struct group *grp = getgrgid( gid );
if ( grp )
{
m_groupcache.insert( gid, new QString(QString::fromLatin1(grp->gr_name)) );
atom.m_str = grp->gr_name;
}
else
atom.m_str = "???";
}
else
atom.m_str = *temp;
entry.append( atom );
atom.m_uds = KIO::UDS_ACCESS_TIME;
atom.m_long = buff.st_atime;
entry.append( atom );
atom.m_uds = KIO::UDS_CREATION_TIME;
atom.m_long = buff.st_ctime;
entry.append( atom );
}
void NFSProtocol::completeBadLinkUDSEntry(UDSEntry& entry, fattr& attributes)
{
// It is a link pointing to nowhere
completeUDSEntry(entry,attributes);
UDSAtom atom;
atom.m_uds = KIO::UDS_FILE_TYPE;
atom.m_long = S_IFMT - 1;
entry.append( atom );
atom.m_uds = KIO::UDS_ACCESS;
atom.m_long = S_IRWXU | S_IRWXG | S_IRWXO;
entry.append( atom );
atom.m_uds = KIO::UDS_SIZE;
atom.m_long = 0L;
entry.append( atom );
}
void NFSProtocol::completeUDSEntry(UDSEntry& entry, fattr& attributes)
{
UDSAtom atom;
atom.m_uds = KIO::UDS_SIZE;
atom.m_long = attributes.size;
entry.append(atom);
atom.m_uds = KIO::UDS_MODIFICATION_TIME;
atom.m_long = attributes.mtime.seconds;
entry.append( atom );
atom.m_uds = KIO::UDS_ACCESS_TIME;
atom.m_long = attributes.atime.seconds;
entry.append( atom );
atom.m_uds = KIO::UDS_CREATION_TIME;
atom.m_long = attributes.ctime.seconds;
entry.append( atom );
atom.m_uds = KIO::UDS_ACCESS;
atom.m_long = (attributes.mode & 07777);
entry.append( atom );
atom.m_uds = KIO::UDS_FILE_TYPE;
atom.m_long =attributes.mode & S_IFMT; // extract file type
entry.append( atom );
atom.m_uds = KIO::UDS_USER;
uid_t uid = attributes.uid;
QString *temp = m_usercache.find( uid );
if ( !temp )
{
struct passwd *user = getpwuid( uid );
if ( user )
{
m_usercache.insert( uid, new QString(user->pw_name) );
atom.m_str = user->pw_name;
}
else
atom.m_str = "???";
}
else
atom.m_str = *temp;
entry.append( atom );
atom.m_uds = KIO::UDS_GROUP;
gid_t gid = attributes.gid;
temp = m_groupcache.find( gid );
if ( !temp )
{
struct group *grp = getgrgid( gid );
if ( grp )
{
m_groupcache.insert( gid, new QString(grp->gr_name) );
atom.m_str = grp->gr_name;
}
else
atom.m_str = "???";
}
else
atom.m_str = *temp;
entry.append( atom );
/* KIO::UDSEntry::ConstIterator it = entry.begin();
for( ; it != entry.end(); it++ ) {
switch ((*it).m_uds) {
case KIO::UDS_FILE_TYPE:
kdDebug(7121) << "File Type : " << (mode_t)((*it).m_long) << endl;
break;
case KIO::UDS_ACCESS:
kdDebug(7121) << "Access permissions : " << (mode_t)((*it).m_long) << endl;
break;
case KIO::UDS_USER:
kdDebug(7121) << "User : " << ((*it).m_str.ascii() ) << endl;
break;
case KIO::UDS_GROUP:
kdDebug(7121) << "Group : " << ((*it).m_str.ascii() ) << endl;
break;
case KIO::UDS_NAME:
kdDebug(7121) << "Name : " << ((*it).m_str.ascii() ) << endl;
//m_strText = decodeFileName( (*it).m_str );
break;
case KIO::UDS_URL:
kdDebug(7121) << "URL : " << ((*it).m_str.ascii() ) << endl;
break;
case KIO::UDS_MIME_TYPE:
kdDebug(7121) << "MimeType : " << ((*it).m_str.ascii() ) << endl;
break;
case KIO::UDS_LINK_DEST:
kdDebug(7121) << "LinkDest : " << ((*it).m_str.ascii() ) << endl;
break;
}
}*/
}
void NFSProtocol::setHost(const QString& host, int /*port*/, const QString& /*user*/, const QString& /*pass*/)
{
kdDebug(7121)<<"setHost: -"<<host<<"-"<<endl;
if (host.isEmpty())
{
error(ERR_UNKNOWN_HOST,"");
return;
}
if (host==m_currentHost) return;
m_currentHost=host;
m_handleCache.clear();
m_exportedDirs.clear();
closeConnection();
}
void NFSProtocol::mkdir( const KURL& url, int permissions )
{
kdDebug(7121)<<"mkdir"<<endl;
QString thePath( QFile::encodeName(url.path()));
stripTrailingSlash(thePath);
QString dirName, parentDir;
getLastPart(thePath, dirName, parentDir);
stripTrailingSlash(parentDir);
kdDebug(7121)<<"path: -"<<thePath<<"- dir: -"<<dirName<<"- parentDir: -"<<parentDir<<"-"<<endl;
if (isRoot(parentDir))
{
error(ERR_WRITE_ACCESS_DENIED,thePath);
return;
}
NFSFileHandle fh=getFileHandle(parentDir);
if (fh.isInvalid())
{
error(ERR_DOES_NOT_EXIST,thePath);
return;
}
createargs createArgs;
memcpy(createArgs.where.dir.data,fh,NFS_FHSIZE);
QCString tmpName=QFile::encodeName(dirName);
createArgs.where.name=tmpName.data();
if (permissions==-1) createArgs.attributes.mode=0755;
else createArgs.attributes.mode=permissions;
diropres dirres;
int clnt_stat = clnt_call(m_client, NFSPROC_MKDIR,
(xdrproc_t) xdr_createargs, (char*)&createArgs,
(xdrproc_t) xdr_diropres, (char*)&dirres,total_timeout);
if (!checkForError(clnt_stat,dirres.status,thePath)) return;
finished();
}
bool NFSProtocol::checkForError(int clientStat, int nfsStat, const QString& text)
{
if (clientStat!=RPC_SUCCESS)
{
kdDebug(7121)<<"rpc error: "<<clientStat<<endl;
//does this mapping make sense ?
error(ERR_CONNECTION_BROKEN,i18n("An RPC error occurred."));
return FALSE;
}
if (nfsStat!=NFS_OK)
{
kdDebug(7121)<<"nfs error: "<<nfsStat<<endl;
switch (nfsStat)
{
case NFSERR_PERM:
error(ERR_ACCESS_DENIED,text);
break;
case NFSERR_NOENT:
error(ERR_DOES_NOT_EXIST,text);
break;
//does this mapping make sense ?
case NFSERR_IO:
error(ERR_INTERNAL_SERVER,text);
break;
//does this mapping make sense ?
case NFSERR_NXIO:
error(ERR_DOES_NOT_EXIST,text);
break;
case NFSERR_ACCES:
error(ERR_ACCESS_DENIED,text);
break;
case NFSERR_EXIST:
error(ERR_FILE_ALREADY_EXIST,text);
break;
//does this mapping make sense ?
case NFSERR_NODEV:
error(ERR_DOES_NOT_EXIST,text);
break;
case NFSERR_NOTDIR:
error(ERR_IS_FILE,text);
break;
case NFSERR_ISDIR:
error(ERR_IS_DIRECTORY,text);
break;
//does this mapping make sense ?
case NFSERR_FBIG:
error(ERR_INTERNAL_SERVER,text);
break;
//does this mapping make sense ?
case NFSERR_NOSPC:
error(ERR_INTERNAL_SERVER,i18n("No space left on device"));
break;
case NFSERR_ROFS:
error(ERR_COULD_NOT_WRITE,i18n("Read only file system"));
break;
case NFSERR_NAMETOOLONG:
error(ERR_INTERNAL_SERVER,i18n("Filename too long"));
break;
case NFSERR_NOTEMPTY:
error(ERR_COULD_NOT_RMDIR,text);
break;
//does this mapping make sense ?
case NFSERR_DQUOT:
error(ERR_INTERNAL_SERVER,i18n("Disk quota exceeded"));
break;
case NFSERR_STALE:
error(ERR_DOES_NOT_EXIST,text);
break;
default:
error(ERR_UNKNOWN,text);
break;
}
return FALSE;
}
return TRUE;
}
void NFSProtocol::del( const KURL& url, bool isfile)
{
QString thePath( QFile::encodeName(url.path()));
stripTrailingSlash(thePath);
QString fileName, parentDir;
getLastPart(thePath, fileName, parentDir);
stripTrailingSlash(parentDir);
kdDebug(7121)<<"del(): path: -"<<thePath<<"- file -"<<fileName<<"- parentDir: -"<<parentDir<<"-"<<endl;
if (isRoot(parentDir))
{
error(ERR_ACCESS_DENIED,thePath);
return;
}
NFSFileHandle fh=getFileHandle(parentDir);
if (fh.isInvalid())
{
error(ERR_DOES_NOT_EXIST,thePath);
return;
}
if (isfile)
{
kdDebug(7121)<<"Deleting file "<<thePath<<endl;
diropargs dirOpArgs;
memcpy(dirOpArgs.dir.data,fh,NFS_FHSIZE);
QCString tmpName=QFile::encodeName(fileName);
dirOpArgs.name=tmpName.data();
nfsstat nfsStat;
int clnt_stat = clnt_call(m_client, NFSPROC_REMOVE,
(xdrproc_t) xdr_diropargs, (char*)&dirOpArgs,
(xdrproc_t) xdr_nfsstat, (char*)&nfsStat,total_timeout);
if (!checkForError(clnt_stat,nfsStat,thePath)) return;
kdDebug(7121)<<"removing "<<thePath<<" from cache"<<endl;
m_handleCache.remove(m_handleCache.find(thePath));
finished();
}
else
{
kdDebug(7121)<<"Deleting directory "<<thePath<<endl;
diropargs dirOpArgs;
memcpy(dirOpArgs.dir.data,fh,NFS_FHSIZE);
QCString tmpName=QFile::encodeName(fileName);
dirOpArgs.name=tmpName.data();
nfsstat nfsStat;
int clnt_stat = clnt_call(m_client, NFSPROC_RMDIR,
(xdrproc_t) xdr_diropargs, (char*)&dirOpArgs,
(xdrproc_t) xdr_nfsstat, (char*)&nfsStat,total_timeout);
if (!checkForError(clnt_stat,nfsStat,thePath)) return;
kdDebug(7121)<<"removing "<<thePath<<" from cache"<<endl;
m_handleCache.remove(m_handleCache.find(thePath));
finished();
}
}
void NFSProtocol::chmod( const KURL& url, int permissions )
{
QString thePath( QFile::encodeName(url.path()));
stripTrailingSlash(thePath);
kdDebug( 7121 ) << "chmod -"<< thePath << "-"<<endl;
if (isRoot(thePath) || isExportedDir(thePath))
{
error(ERR_ACCESS_DENIED,thePath);
return;
}
NFSFileHandle fh=getFileHandle(thePath);
if (fh.isInvalid())
{
error(ERR_DOES_NOT_EXIST,thePath);
return;
}
sattrargs sAttrArgs;
memcpy(sAttrArgs.file.data,fh,NFS_FHSIZE);
sAttrArgs.attributes.uid=(unsigned int)-1;
sAttrArgs.attributes.gid=(unsigned int)-1;
sAttrArgs.attributes.size=(unsigned int)-1;
sAttrArgs.attributes.atime.seconds=(unsigned int)-1;
sAttrArgs.attributes.atime.useconds=(unsigned int)-1;
sAttrArgs.attributes.mtime.seconds=(unsigned int)-1;
sAttrArgs.attributes.mtime.useconds=(unsigned int)-1;
sAttrArgs.attributes.mode=permissions;
nfsstat nfsStat;
int clnt_stat = clnt_call(m_client, NFSPROC_SETATTR,
(xdrproc_t) xdr_sattrargs, (char*)&sAttrArgs,
(xdrproc_t) xdr_nfsstat, (char*)&nfsStat,total_timeout);
if (!checkForError(clnt_stat,nfsStat,thePath)) return;
finished();
}
void NFSProtocol::get( const KURL& url )
{
QString thePath( QFile::encodeName(url.path()));
kdDebug(7121)<<"get() -"<<thePath<<"-"<<endl;
NFSFileHandle fh=getFileHandle(thePath);
if (fh.isInvalid())
{
error(ERR_DOES_NOT_EXIST,thePath);
return;
}
readargs readArgs;
memcpy(readArgs.file.data,fh,NFS_FHSIZE);
readArgs.offset=0;
readArgs.count=NFS_MAXDATA;
readArgs.totalcount=NFS_MAXDATA;
readres readRes;
int offset(0);
char buf[NFS_MAXDATA];
readRes.readres_u.reply.data.data_val=buf;
QByteArray array;
do
{
int clnt_stat = clnt_call(m_client, NFSPROC_READ,
(xdrproc_t) xdr_readargs, (char*)&readArgs,
(xdrproc_t) xdr_readres, (char*)&readRes,total_timeout);
if (!checkForError(clnt_stat,readRes.status,thePath)) return;
if (readArgs.offset==0)
totalSize(readRes.readres_u.reply.attributes.size);
offset=readRes.readres_u.reply.data.data_len;
//kdDebug(7121)<<"read "<<offset<<" bytes"<<endl;
readArgs.offset+=offset;
if (offset>0)
{
array.setRawData(readRes.readres_u.reply.data.data_val, offset);
data( array );
array.resetRawData(readRes.readres_u.reply.data.data_val, offset);
processedSize(readArgs.offset);
}
} while (offset>0);
data( QByteArray() );
finished();
}
//TODO the partial putting thing is not yet implemented
void NFSProtocol::put( const KURL& url, int _mode, bool _overwrite, bool /*_resume*/ )
{
QString destPath( QFile::encodeName(url.path()));
kdDebug( 7121 ) << "Put -" << destPath <<"-"<<endl;
/*QString dest_part( dest_orig );
dest_part += ".part";*/
stripTrailingSlash(destPath);
QString parentDir, fileName;
getLastPart(destPath,fileName, parentDir);
if (isRoot(parentDir))
{
error(ERR_WRITE_ACCESS_DENIED,destPath);
return;
}
NFSFileHandle destFH;
destFH=getFileHandle(destPath);
kdDebug(7121)<<"file handle for -"<<destPath<<"- is "<<destFH<<endl;
//the file exists and we don't want to overwrite
if ((!_overwrite) && (!destFH.isInvalid()))
{
error(ERR_FILE_ALREADY_EXIST,destPath);
return;
}
//TODO: is this correct ?
//we have to "create" the file anyway, no matter if it already
//exists or not
//if we don't create it new, written text will be, hmm, "inserted"
//in the existing file, i.e. a file could not become smaller, since
//write only overwrites or extends, but doesn't remove stuff from a file (aleXXX)
kdDebug(7121)<<"creating the file -"<<fileName<<"-"<<endl;
NFSFileHandle parentFH;
parentFH=getFileHandle(parentDir);
//cerr<<"fh for parent dir: "<<parentFH<<endl;
//the directory doesn't exist
if (parentFH.isInvalid())
{
kdDebug(7121)<<"parent directory -"<<parentDir<<"- does not exist"<<endl;
error(ERR_DOES_NOT_EXIST,parentDir);
return;
}
createargs createArgs;
memcpy(createArgs.where.dir.data,(const char*)parentFH,NFS_FHSIZE);
QCString tmpName=QFile::encodeName(fileName);
createArgs.where.name=tmpName.data();
//the mode is apparently ignored if the file already exists
if (_mode==-1) createArgs.attributes.mode=0644;
else createArgs.attributes.mode=_mode;
createArgs.attributes.uid=geteuid();
createArgs.attributes.gid=getegid();
//this is required, otherwise we are not able to write shorter files
createArgs.attributes.size=0;
//hmm, do we need something here ? I don't think so
createArgs.attributes.atime.seconds=(unsigned int)-1;
createArgs.attributes.atime.useconds=(unsigned int)-1;
createArgs.attributes.mtime.seconds=(unsigned int)-1;
createArgs.attributes.mtime.useconds=(unsigned int)-1;
diropres dirOpRes;
int clnt_stat = clnt_call(m_client, NFSPROC_CREATE,
(xdrproc_t) xdr_createargs, (char*)&createArgs,
(xdrproc_t) xdr_diropres, (char*)&dirOpRes,total_timeout);
if (!checkForError(clnt_stat,dirOpRes.status,fileName)) return;
//we created the file successfully
//destFH=getFileHandle(destPath);
destFH=dirOpRes.diropres_u.diropres.file.data;
kdDebug(7121)<<"file -"<<fileName<<"- in dir -"<<parentDir<<"- created successfully"<<endl;
//cerr<<"with fh "<<destFH<<endl;
//now we can put
int result;
// Loop until we got 0 (end of data)
writeargs writeArgs;
memcpy(writeArgs.file.data,(const char*)destFH,NFS_FHSIZE);
writeArgs.beginoffset=0;
writeArgs.totalcount=0;
writeArgs.offset=0;
attrstat attrStat;
int bytesWritten(0);
kdDebug(7121)<<"starting to put"<<endl;
do
{
QByteArray buffer;
dataReq(); // Request for data
result = readData( buffer );
//kdDebug(7121)<<"received "<<result<<" bytes for putting"<<endl;
char * data=buffer.data();
int bytesToWrite=buffer.size();
int writeNow(0);
if (result > 0)
{
do
{
if (bytesToWrite>NFS_MAXDATA)
{
writeNow=NFS_MAXDATA;
}
else
{
writeNow=bytesToWrite;
};
writeArgs.data.data_val=data;
writeArgs.data.data_len=writeNow;
int clnt_stat = clnt_call(m_client, NFSPROC_WRITE,
(xdrproc_t) xdr_writeargs, (char*)&writeArgs,
(xdrproc_t) xdr_attrstat, (char*)&attrStat,total_timeout);
//kdDebug(7121)<<"written"<<endl;
if (!checkForError(clnt_stat,attrStat.status,fileName)) return;
bytesWritten+=writeNow;
writeArgs.offset=bytesWritten;
//adjust the pointer
data=data+writeNow;
//decrease the rest
bytesToWrite-=writeNow;
} while (bytesToWrite>0);
}
} while ( result > 0 );
finished();
}
void NFSProtocol::rename( const KURL &src, const KURL &dest, bool _overwrite )
{
QString srcPath( QFile::encodeName(src.path()));
QString destPath( QFile::encodeName(dest.path()));
stripTrailingSlash(srcPath);
stripTrailingSlash(destPath);
kdDebug(7121)<<"renaming -"<<srcPath<<"- to -"<<destPath<<"-"<<endl;
if (isRoot(srcPath) || isExportedDir(srcPath))
{
error(ERR_CANNOT_RENAME,srcPath);
return;
}
if (!_overwrite)
{
NFSFileHandle testFH;
testFH=getFileHandle(destPath);
if (!testFH.isInvalid())
{
error(ERR_FILE_ALREADY_EXIST,destPath);
return;
}
}
QString srcFileName, srcParentDir, destFileName, destParentDir;
getLastPart(srcPath, srcFileName, srcParentDir);
NFSFileHandle srcFH=getFileHandle(srcParentDir);
if (srcFH.isInvalid())
{
error(ERR_DOES_NOT_EXIST,srcParentDir);
return;
}
renameargs renameArgs;
memcpy(renameArgs.from.dir.data,srcFH,NFS_FHSIZE);
QCString tmpName=QFile::encodeName(srcFileName);
renameArgs.from.name=tmpName.data();
getLastPart(destPath, destFileName, destParentDir);
NFSFileHandle destFH=getFileHandle(destParentDir);
if (destFH.isInvalid())
{
error(ERR_DOES_NOT_EXIST,destParentDir);
return;
}
memcpy(renameArgs.to.dir.data,destFH,NFS_FHSIZE);
QCString tmpName2=QFile::encodeName(destFileName);
renameArgs.to.name=tmpName2.data();
nfsstat nfsStat;
int clnt_stat = clnt_call(m_client, NFSPROC_RENAME,
(xdrproc_t) xdr_renameargs, (char*)&renameArgs,
(xdrproc_t) xdr_nfsstat, (char*)&nfsStat,total_timeout);
if (!checkForError(clnt_stat,nfsStat,destPath)) return;
finished();
}
void NFSProtocol::copy( const KURL &src, const KURL &dest, int _mode, bool _overwrite )
{
//prepare the source
QString thePath( QFile::encodeName(src.path()));
stripTrailingSlash(thePath);
kdDebug( 7121 ) << "Copy to -" << thePath <<"-"<<endl;
NFSFileHandle fh=getFileHandle(thePath);
if (fh.isInvalid())
{
error(ERR_DOES_NOT_EXIST,thePath);
return;
};
//create the destination
QString destPath( QFile::encodeName(dest.path()));
stripTrailingSlash(destPath);
QString parentDir, fileName;
getLastPart(destPath,fileName, parentDir);
if (isRoot(parentDir))
{
error(ERR_ACCESS_DENIED,destPath);
return;
}
NFSFileHandle destFH;
destFH=getFileHandle(destPath);
kdDebug(7121)<<"file handle for -"<<destPath<<"- is "<<destFH<<endl;
//the file exists and we don't want to overwrite
if ((!_overwrite) && (!destFH.isInvalid()))
{
error(ERR_FILE_ALREADY_EXIST,destPath);
return;
}
//TODO: is this correct ?
//we have to "create" the file anyway, no matter if it already
//exists or not
//if we don't create it new, written text will be, hmm, "inserted"
//in the existing file, i.e. a file could not become smaller, since
//write only overwrites or extends, but doesn't remove stuff from a file
kdDebug(7121)<<"creating the file -"<<fileName<<"-"<<endl;
NFSFileHandle parentFH;
parentFH=getFileHandle(parentDir);
//the directory doesn't exist
if (parentFH.isInvalid())
{
kdDebug(7121)<<"parent directory -"<<parentDir<<"- does not exist"<<endl;
error(ERR_DOES_NOT_EXIST,parentDir);
return;
};
createargs createArgs;
memcpy(createArgs.where.dir.data,(const char*)parentFH,NFS_FHSIZE);
QCString tmpName=QFile::encodeName(fileName);
createArgs.where.name=tmpName.data();
if (_mode==-1) createArgs.attributes.mode=0644;
else createArgs.attributes.mode=_mode;
createArgs.attributes.uid=geteuid();
createArgs.attributes.gid=getegid();
createArgs.attributes.size=0;
createArgs.attributes.atime.seconds=(unsigned int)-1;
createArgs.attributes.atime.useconds=(unsigned int)-1;
createArgs.attributes.mtime.seconds=(unsigned int)-1;
createArgs.attributes.mtime.useconds=(unsigned int)-1;
diropres dirOpRes;
int clnt_stat = clnt_call(m_client, NFSPROC_CREATE,
(xdrproc_t) xdr_createargs, (char*)&createArgs,
(xdrproc_t) xdr_diropres, (char*)&dirOpRes,total_timeout);
if (!checkForError(clnt_stat,dirOpRes.status,destPath)) return;
//we created the file successfully
destFH=dirOpRes.diropres_u.diropres.file.data;
kdDebug(7121)<<"file -"<<fileName<<"- in dir -"<<parentDir<<"- created successfully"<<endl;
char buf[NFS_MAXDATA];
writeargs writeArgs;
memcpy(writeArgs.file.data,(const char*)destFH,NFS_FHSIZE);
writeArgs.beginoffset=0;
writeArgs.totalcount=0;
writeArgs.offset=0;
writeArgs.data.data_val=buf;
attrstat attrStat;
readargs readArgs;
memcpy(readArgs.file.data,fh,NFS_FHSIZE);
readArgs.offset=0;
readArgs.count=NFS_MAXDATA;
readArgs.totalcount=NFS_MAXDATA;
readres readRes;
readRes.readres_u.reply.data.data_val=buf;
int bytesRead(0);
do
{
//first read
int clnt_stat = clnt_call(m_client, NFSPROC_READ,
(xdrproc_t) xdr_readargs, (char*)&readArgs,
(xdrproc_t) xdr_readres, (char*)&readRes,total_timeout);
if (!checkForError(clnt_stat,readRes.status,thePath)) return;
if (readArgs.offset==0)
totalSize(readRes.readres_u.reply.attributes.size);
bytesRead=readRes.readres_u.reply.data.data_len;
//kdDebug(7121)<<"read "<<bytesRead<<" bytes"<<endl;
//then write
if (bytesRead>0)
{
readArgs.offset+=bytesRead;
writeArgs.data.data_len=bytesRead;
clnt_stat = clnt_call(m_client, NFSPROC_WRITE,
(xdrproc_t) xdr_writeargs, (char*)&writeArgs,
(xdrproc_t) xdr_attrstat, (char*)&attrStat,total_timeout);
//kdDebug(7121)<<"written"<<endl;
if (!checkForError(clnt_stat,attrStat.status,destPath)) return;
writeArgs.offset+=bytesRead;
}
} while (bytesRead>0);
finished();
}
//TODO why isn't this even called ?
void NFSProtocol::symlink( const QString &target, const KURL &dest, bool )
{
kdDebug(7121)<<"symlinking "<<endl;
QString destPath=dest.path();
stripTrailingSlash(destPath);
QString parentDir, fileName;
getLastPart(destPath,fileName, parentDir);
kdDebug(7121)<<"symlinking "<<parentDir<<" "<<fileName<<" to "<<target<<endl;
NFSFileHandle fh=getFileHandle(parentDir);
if (fh.isInvalid())
{
error(ERR_DOES_NOT_EXIST,parentDir);
return;
}
if (isRoot(parentDir))
{
error(ERR_ACCESS_DENIED,destPath);
return;
}
kdDebug(7121)<<"tach"<<endl;
QCString tmpStr=target.latin1();
symlinkargs symLinkArgs;
symLinkArgs.to=tmpStr.data();
memcpy(symLinkArgs.from.dir.data,(const char*)fh,NFS_FHSIZE);
QCString tmpStr2=QFile::encodeName(destPath);
symLinkArgs.from.name=tmpStr2.data();
nfsstat nfsStat;
int clnt_stat = clnt_call(m_client, NFSPROC_SYMLINK,
(xdrproc_t) xdr_symlinkargs, (char*)&symLinkArgs,
(xdrproc_t) xdr_nfsstat, (char*)&nfsStat,total_timeout);
if (!checkForError(clnt_stat,nfsStat,destPath)) return;
finished();
}
bool NFSProtocol::isValidLink(const QString& parentDir, const QString& linkDest)
{
kdDebug(7121)<<"isValidLink: parent: "<<parentDir<<" link: "<<linkDest<<endl;
if (linkDest.isEmpty()) return FALSE;
if (isAbsoluteLink(linkDest))
{
kdDebug(7121)<<"is an absolute link"<<endl;
return QFile::exists(linkDest);
}
else
{
kdDebug(7121)<<"is a relative link"<<endl;
QString absDest=parentDir+"/"+linkDest;
kdDebug(7121)<<"pointing abs to "<<absDest<<endl;
absDest=removeFirstPart(absDest);
kdDebug(7121)<<"removed first part "<<absDest<<endl;
absDest=QDir::cleanDirPath(absDest);
kdDebug(7121)<<"simplified to "<<absDest<<endl;
if (absDest.find("../")==0)
return FALSE;
kdDebug(7121)<<"is inside the nfs tree"<<endl;
absDest=parentDir+"/"+linkDest;
absDest=QDir::cleanDirPath(absDest);
kdDebug(7121)<<"getting file handle of "<<absDest<<endl;
NFSFileHandle fh=getFileHandle(absDest);
return (!fh.isInvalid());
}
return FALSE;
}