diff --git a/smb/kio_smb_browse.cpp b/smb/kio_smb_browse.cpp index 7654701e..9f30ecc8 100644 --- a/smb/kio_smb_browse.cpp +++ b/smb/kio_smb_browse.cpp @@ -1,539 +1,539 @@ ///////////////////////////////////////////////////////////////////////////// // // Project: SMB kioslave for KDE2 // // File: kio_smb_browse.cpp // // Abstract: member function implementations for SMBSlave that deal with // SMB browsing // // Author(s): Matthew Peterson // //--------------------------------------------------------------------------- // // Copyright (c) 2000 Caldera Systems, Inc. // // This program is free software; you can redistribute it and/or modify it // under the terms of the GNU General Public License as published by the // Free Software Foundation; either version 2.1 of the License, or // (at your option) any later version. // // 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 Lesser General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; see the file COPYING. If not, please obtain // a copy from http://www.gnu.org/copyleft/gpl.html // ///////////////////////////////////////////////////////////////////////////// #include #include #include "kio_smb.h" #include "kio_smb_internal.h" #include #include using namespace KIO; int SMBSlave::cache_stat(const SMBUrl &url, struct stat* st ) { int cacheStatErr; int result = smbc_stat( url.toSmbcUrl(), st); if (result == 0){ cacheStatErr = 0; } else { cacheStatErr = errno; } qCDebug(KIO_SMB) << "size " << (KIO::filesize_t)st->st_size; return cacheStatErr; } //--------------------------------------------------------------------------- int SMBSlave::browse_stat_path(const SMBUrl& _url, UDSEntry& udsentry) { SMBUrl url = _url; int cacheStatErr = cache_stat(url, &st); if(cacheStatErr == 0) { if(!S_ISDIR(st.st_mode) && !S_ISREG(st.st_mode)) { qCDebug(KIO_SMB) << "mode: "<< st.st_mode; warning(i18n("%1:\n" "Unknown file type, neither directory or file.", url.toDisplayString())); return EINVAL; } udsentry.insert(KIO::UDSEntry::UDS_FILE_TYPE, st.st_mode & S_IFMT); udsentry.insert(KIO::UDSEntry::UDS_SIZE, st.st_size); QString str; uid_t uid = st.st_uid; struct passwd *user = getpwuid( uid ); if ( user ) str = user->pw_name; else str = QString::number( uid ); udsentry.insert(KIO::UDSEntry::UDS_USER, str); gid_t gid = st.st_gid; struct group *grp = getgrgid( gid ); if ( grp ) str = grp->gr_name; else str = QString::number( gid ); udsentry.insert(KIO::UDSEntry::UDS_GROUP, str); udsentry.insert(KIO::UDSEntry::UDS_ACCESS, st.st_mode & 07777); udsentry.insert(KIO::UDSEntry::UDS_MODIFICATION_TIME, st.st_mtime); udsentry.insert(KIO::UDSEntry::UDS_ACCESS_TIME, st.st_atime); // No, st_ctime is not UDS_CREATION_TIME... } return cacheStatErr; } //=========================================================================== void SMBSlave::stat( const QUrl& kurl ) { qCDebug(KIO_SMB) << kurl; // make a valid URL QUrl url = checkURL(kurl); // if URL is not valid we have to redirect to correct URL if (url != kurl) { qCDebug(KIO_SMB) << "redirection " << url; redirection(url); finished(); return; } m_current_url = url; UDSEntry udsentry; // Set name udsentry.insert( KIO::UDSEntry::UDS_NAME, kurl.fileName() ); switch(m_current_url.getType()) { case SMBURLTYPE_UNKNOWN: error(ERR_MALFORMED_URL, url.toDisplayString()); return; case SMBURLTYPE_ENTIRE_NETWORK: case SMBURLTYPE_WORKGROUP_OR_SERVER: udsentry.insert(KIO::UDSEntry::UDS_FILE_TYPE, S_IFDIR); break; case SMBURLTYPE_SHARE_OR_PATH: { int ret = browse_stat_path(m_current_url, udsentry); - if (ret == EPERM || ret == EACCES) + if (ret == EPERM || ret == EACCES || workaroundEEXIST(ret)) { SMBUrl smbUrl(url); if (checkPassword(smbUrl)) { redirection(smbUrl); finished(); } else { reportError(url, ret); } return; } else if (ret != 0) { qCDebug(KIO_SMB) << "stat() error" << ret << url; reportError(url, ret); return; } break; } default: qCDebug(KIO_SMB) << "UNKNOWN " << url; finished(); return; } statEntry(udsentry); finished(); } //=========================================================================== // TODO: complete checking QUrl SMBSlave::checkURL(const QUrl& kurl) const { qCDebug(KIO_SMB) << "checkURL " << kurl; QString surl = kurl.url(); //transform any links in the form smb:/ into smb:// if (surl.startsWith(QLatin1String("smb:/"))) { if (surl.length() == 5) { return QUrl("smb://"); } if (surl.at(5) != '/') { surl = "smb://" + surl.mid(5); qCDebug(KIO_SMB) << "checkURL return1 " << surl << " " << QUrl(surl); return QUrl(surl); } } if (surl == QLatin1String("smb://")) { return kurl; //unchanged } // smb:// normally have no userinfo // we must redirect ourself to remove the username and password if (surl.contains('@') && !surl.contains("smb://")) { QUrl url(kurl); url.setPath('/'+kurl.url().right( kurl.url().length()-kurl.url().indexOf('@') -1)); QString userinfo = kurl.url().mid(5, kurl.url().indexOf('@')-5); if(userinfo.contains(':')) { url.setUserName(userinfo.left(userinfo.indexOf(':'))); url.setPassword(userinfo.right(userinfo.length()-userinfo.indexOf(':')-1)); } else { url.setUserName(userinfo); } qCDebug(KIO_SMB) << "checkURL return2 " << url; return url; } //if there's a valid host, don't have an empty path QUrl url(kurl); if (url.path().isEmpty()) url.setPath("/"); qCDebug(KIO_SMB) << "checkURL return3 " << url; return url; } SMBSlave::SMBError SMBSlave::errnumToKioError(const SMBUrl &url, const int errNum) { qCDebug(KIO_SMB) << "errNum" << errNum; switch(errNum) { case ENOENT: if (url.getType() == SMBURLTYPE_ENTIRE_NETWORK) return SMBError{ ERR_SLAVE_DEFINED, i18n("Unable to find any workgroups in your local network. This might be caused by an enabled firewall.") }; else return SMBError{ ERR_DOES_NOT_EXIST, url.toDisplayString() }; #ifdef ENOMEDIUM case ENOMEDIUM: return SMBError{ ERR_SLAVE_DEFINED, i18n("No media in device for %1", url.toDisplayString()) }; #endif #ifdef EHOSTDOWN case EHOSTDOWN: #endif case ECONNREFUSED: return SMBError{ ERR_SLAVE_DEFINED, i18n("Could not connect to host for %1", url.toDisplayString()) }; break; case ENOTDIR: return SMBError{ ERR_CANNOT_ENTER_DIRECTORY, url.toDisplayString() }; case EFAULT: case EINVAL: return SMBError{ ERR_DOES_NOT_EXIST, url.toDisplayString() }; case EPERM: case EACCES: return SMBError{ ERR_ACCESS_DENIED, url.toDisplayString() }; case EIO: case ENETUNREACH: if ( url.getType() == SMBURLTYPE_ENTIRE_NETWORK || url.getType() == SMBURLTYPE_WORKGROUP_OR_SERVER ) return SMBError{ ERR_SLAVE_DEFINED, i18n("Error while connecting to server responsible for %1", url.toDisplayString()) }; else return SMBError{ ERR_CONNECTION_BROKEN, url.toDisplayString() }; case ENOMEM: return SMBError{ ERR_OUT_OF_MEMORY, url.toDisplayString() }; case ENODEV: return SMBError{ ERR_SLAVE_DEFINED, i18n("Share could not be found on given server") }; case EBADF: return SMBError{ ERR_INTERNAL, i18n("Bad file descriptor") }; case ETIMEDOUT: return SMBError{ ERR_SERVER_TIMEOUT, url.host() }; case ENOTEMPTY: return SMBError{ ERR_CANNOT_RMDIR, url.toDisplayString() }; #ifdef ENOTUNIQ case ENOTUNIQ: return SMBError{ ERR_SLAVE_DEFINED, i18n("The given name could not be resolved to a unique server. " "Make sure your network is setup without any name conflicts " "between names used by Windows and by UNIX name resolution." ) }; #endif case 0: // success return SMBError{ ERR_INTERNAL, i18n("libsmbclient reported an error, but did not specify " "what the problem is. This might indicate a severe problem " "with your network - but also might indicate a problem with " "libsmbclient.\n" "If you want to help us, please provide a tcpdump of the " "network interface while you try to browse (be aware that " "it might contain private data, so do not post it if you are " "unsure about that - you can send it privately to the developers " "if they ask for it)") }; default: return SMBError{ ERR_INTERNAL, i18n("Unknown error condition in stat: %1", QString::fromLocal8Bit( strerror(errNum))) }; } } void SMBSlave::reportError(const SMBUrl& url, const int errNum) { const SMBError smbErr = errnumToKioError(url, errNum); error(smbErr.kioErrorId, smbErr.errorString); } void SMBSlave::reportWarning(const SMBUrl& url, const int errNum) { const SMBError smbErr = errnumToKioError(url, errNum); const QString errorString = buildErrorString(smbErr.kioErrorId, smbErr.errorString); warning(xi18n("Error occurred while trying to access %1%2", url.url(), errorString)); } //=========================================================================== void SMBSlave::listDir( const QUrl& kurl ) { qCDebug(KIO_SMB) << kurl; int errNum = 0; // check (correct) URL QUrl url = checkURL(kurl); // if URL is not valid we have to redirect to correct URL if (url != kurl) { redirection(url); finished(); return; } m_current_url = kurl; int dirfd; struct smbc_dirent *dirp = nullptr; UDSEntry udsentry; bool dir_is_root = true; dirfd = smbc_opendir( m_current_url.toSmbcUrl() ); if (dirfd > 0){ errNum = 0; } else { errNum = errno; } qCDebug(KIO_SMB) << "open " << m_current_url.toSmbcUrl() << " " << m_current_url.getType() << " " << dirfd; if(dirfd >= 0) { do { qCDebug(KIO_SMB) << "smbc_readdir "; dirp = smbc_readdir(dirfd); if(dirp == nullptr) break; // Set name QString udsName; const QString dirpName = QString::fromUtf8( dirp->name ); // We cannot trust dirp->commentlen has it might be with or without the NUL character // See KDE bug #111430 and Samba bug #3030 const QString comment = QString::fromUtf8( dirp->comment ); if ( dirp->smbc_type == SMBC_SERVER || dirp->smbc_type == SMBC_WORKGROUP ) { udsName = dirpName.toLower(); udsName[0] = dirpName.at( 0 ).toUpper(); if ( !comment.isEmpty() && dirp->smbc_type == SMBC_SERVER ) udsName += " (" + comment + ')'; } else udsName = dirpName; qCDebug(KIO_SMB) << "dirp->name " << dirp->name << " " << dirpName << " '" << comment << "'" << " " << dirp->smbc_type; udsentry.insert( KIO::UDSEntry::UDS_NAME, udsName ); // Mark all administrative shares, e.g ADMIN$, as hidden. #197903 if (dirpName.endsWith(QLatin1Char('$'))) { //qCDebug(KIO_SMB) << dirpName << "marked as hidden"; udsentry.insert(KIO::UDSEntry::UDS_HIDDEN, 1); } if (udsName == ".") { // Skip the "." entry // Mind the way m_current_url is handled in the loop } else if (udsName == "..") { dir_is_root = false; // fprintf(stderr,"----------- hide: -%s-\n",dirp->name); // do nothing and hide the hidden shares } else if (dirp->smbc_type == SMBC_FILE || dirp->smbc_type == SMBC_DIR) { // Set stat information m_current_url.addPath(dirpName); const int statErr = browse_stat_path(m_current_url, udsentry); if (statErr) { if (statErr == ENOENT || statErr == ENOTDIR) { reportWarning(m_current_url, statErr); } } else { // Call base class to list entry listEntry(udsentry); } m_current_url.cd(".."); } else if(dirp->smbc_type == SMBC_SERVER || dirp->smbc_type == SMBC_FILE_SHARE) { // Set type udsentry.insert( KIO::UDSEntry::UDS_FILE_TYPE, S_IFDIR ); if (dirp->smbc_type == SMBC_SERVER) { udsentry.insert(KIO::UDSEntry::UDS_ACCESS, (S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH)); // QString workgroup = m_current_url.host().toUpper(); QUrl u("smb://"); u.setHost(dirpName); // when libsmbclient knows // u = QString("smb://%1?WORKGROUP=%2").arg(dirpName).arg(workgroup.toUpper()); qCDebug(KIO_SMB) << "list item " << u; udsentry.insert(KIO::UDSEntry::UDS_URL, u.url()); udsentry.insert(KIO::UDSEntry::UDS_MIME_TYPE, QString::fromLatin1("application/x-smb-server")); } else udsentry.insert(KIO::UDSEntry::UDS_ACCESS, (S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH)); // Call base class to list entry listEntry(udsentry); } else if(dirp->smbc_type == SMBC_WORKGROUP) { // Set type udsentry.insert(KIO::UDSEntry::UDS_FILE_TYPE, S_IFDIR); // Set permissions udsentry.insert(KIO::UDSEntry::UDS_ACCESS, (S_IRUSR | S_IRGRP | S_IROTH | S_IXUSR | S_IXGRP | S_IXOTH)); udsentry.insert(KIO::UDSEntry::UDS_MIME_TYPE, QString::fromLatin1("application/x-smb-workgroup")); // QString workgroup = m_current_url.host().toUpper(); QUrl u("smb://"); u.setHost(dirpName); udsentry.insert(KIO::UDSEntry::UDS_URL, u.url()); // Call base class to list entry listEntry(udsentry); } else { qCDebug(KIO_SMB) << "SMBC_UNKNOWN :" << dirpName; // TODO: we don't handle SMBC_IPC_SHARE, SMBC_PRINTER_SHARE // SMBC_LINK, SMBC_COMMS_SHARE //SlaveBase::error(ERR_INTERNAL, TEXT_UNSUPPORTED_FILE_TYPE); // continue; } udsentry.clear(); } while (dirp); // checked already in the head if (dir_is_root) { udsentry.insert(KIO::UDSEntry::UDS_FILE_TYPE, S_IFDIR); udsentry.insert(KIO::UDSEntry::UDS_NAME, "."); udsentry.insert(KIO::UDSEntry::UDS_ACCESS, (S_IRUSR | S_IRGRP | S_IROTH | S_IXUSR | S_IXGRP | S_IXOTH)); } else { udsentry.insert(KIO::UDSEntry::UDS_NAME, "."); const int statErr = browse_stat_path(m_current_url, udsentry); if (statErr) { if (statErr == ENOENT || statErr == ENOTDIR) { reportWarning(m_current_url, statErr); } // Create a default UDSEntry if we could not stat the actual directory udsentry.insert(KIO::UDSEntry::UDS_FILE_TYPE, S_IFDIR); udsentry.insert(KIO::UDSEntry::UDS_ACCESS, (S_IRWXU | S_IRWXG | S_IROTH | S_IXOTH)); } } listEntry(udsentry); udsentry.clear(); // clean up smbc_closedir(dirfd); } else { if (errNum == EPERM || errNum == EACCES || workaroundEEXIST(errNum)) { if (checkPassword(m_current_url)) { redirection( m_current_url ); finished(); return; } } reportError(m_current_url, errNum); return; } finished(); } void SMBSlave::fileSystemFreeSpace(const QUrl& url) { qCDebug(KIO_SMB) << url; // Avoid crashing in smbc_fstatvfs below when // requesting free space for smb:// which doesn't // make sense to do to begin with if (url.host().isEmpty()) { error(KIO::ERR_COULD_NOT_STAT, url.url()); return; } SMBUrl smbcUrl = url; int handle = smbc_opendir(smbcUrl.toSmbcUrl()); if (handle < 0) { error(KIO::ERR_COULD_NOT_STAT, url.url()); return; } struct statvfs dirStat; memset(&dirStat, 0, sizeof(struct statvfs)); int err = smbc_fstatvfs(handle, &dirStat); smbc_closedir(handle); if (err < 0) { error(KIO::ERR_COULD_NOT_STAT, url.url()); return; } KIO::filesize_t blockSize; if (dirStat.f_frsize != 0) { blockSize = dirStat.f_frsize; } else { blockSize = dirStat.f_bsize; } setMetaData("total", QString::number(blockSize * dirStat.f_blocks)); setMetaData("available", QString::number(blockSize * dirStat.f_bavail)); finished(); } bool SMBSlave::workaroundEEXIST(const int errNum) const { return (errNum == EEXIST) && m_enableEEXISTWorkaround; }