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/*
* libcsync -- a library to sync a directory with another
*
* SPDX-FileCopyrightText: 2020 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2013 ownCloud GmbH
* SPDX-FileCopyrightText: 2008-2013 by Andreas Schneider <asn@cryptomilk.org>
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include <cerrno>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
#include <cstdio>
#include <memory>
#include "c_private.h"
#include "c_lib.h"
#include "csync.h"
#include "vio/csync_vio_local.h"
#include "common/vfs.h"
#include <QtCore/QLoggingCategory>
#include <QtCore/QFile>
Q_LOGGING_CATEGORY(lcCSyncVIOLocal, "nextcloud.sync.csync.vio_local", QtInfoMsg)
/*
* directory functions
*/
struct csync_vio_handle_t {
DIR *dh;
QByteArray path;
};
static int _csync_vio_local_stat_mb(const mbchar_t *wuri, csync_file_stat_t *buf);
csync_vio_handle_t *csync_vio_local_opendir(const QString &name) {
auto handle = std::make_unique<csync_vio_handle_t>();
auto dirname = QFile::encodeName(name);
handle->dh = _topendir(dirname.constData());
if (!handle->dh) {
return nullptr;
}
handle->path = dirname;
return handle.release();
}
int csync_vio_local_closedir(csync_vio_handle_t *dhandle) {
Q_ASSERT(dhandle);
auto rc = _tclosedir(dhandle->dh);
delete dhandle;
return rc;
}
std::unique_ptr<csync_file_stat_t> csync_vio_local_readdir(csync_vio_handle_t *handle, OCC::Vfs *vfs) {
struct _tdirent *dirent = nullptr;
std::unique_ptr<csync_file_stat_t> file_stat;
do {
dirent = _treaddir(handle->dh);
if (!dirent)
return {};
} while (qstrcmp(dirent->d_name, ".") == 0 || qstrcmp(dirent->d_name, "..") == 0);
file_stat = std::make_unique<csync_file_stat_t>();
file_stat->path = QFile::decodeName(dirent->d_name).toUtf8();
QByteArray fullPath = handle->path % '/' % QByteArray() % const_cast<const char *>(dirent->d_name);
if (file_stat->path.isNull()) {
file_stat->original_path = fullPath;
qCWarning(lcCSyncVIOLocal) << "Invalid characters in file/directory name, please rename:" << dirent->d_name << handle->path;
}
/* Check for availability of d_type, see manpage. */
#if defined(_DIRENT_HAVE_D_TYPE) || defined(__APPLE__)
switch (dirent->d_type) {
case DT_FIFO:
case DT_SOCK:
case DT_CHR:
case DT_BLK:
break;
case DT_DIR:
case DT_REG:
if (dirent->d_type == DT_DIR) {
file_stat->type = ItemTypeDirectory;
} else {
file_stat->type = ItemTypeFile;
}
break;
default:
break;
}
#endif
if (file_stat->path.isNull())
return file_stat;
if (_csync_vio_local_stat_mb(fullPath.constData(), file_stat.get()) < 0) {
// Will get excluded by _csync_detect_update.
file_stat->type = ItemTypeSkip;
}
// Override type for virtual files if desired
if (vfs) {
// Directly modifies file_stat->type.
// We can ignore the return value since we're done here anyway.
const auto result = vfs->statTypeVirtualFile(file_stat.get(), &handle->path);
Q_UNUSED(result)
}
return file_stat;
}
int csync_vio_local_stat(const QString &uri, csync_file_stat_t *buf)
{
return _csync_vio_local_stat_mb(QFile::encodeName(uri).constData(), buf);
}
static int _csync_vio_local_stat_mb(const mbchar_t *wuri, csync_file_stat_t *buf)
{
csync_stat_t sb;
if (_tstat(wuri, &sb) < 0) {
return -1;
}
switch (sb.st_mode & S_IFMT) {
case S_IFDIR:
buf->type = ItemTypeDirectory;
break;
case S_IFREG:
buf->type = ItemTypeFile;
break;
case S_IFLNK:
case S_IFSOCK:
buf->type = ItemTypeSoftLink;
break;
default:
buf->type = ItemTypeSkip;
break;
}
#ifdef __APPLE__
if (sb.st_flags & UF_HIDDEN) {
buf->is_hidden = true;
}
#endif
buf->inode = sb.st_ino;
buf->modtime = sb.st_mtime;
buf->size = sb.st_size;
return 0;
}
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