From: Hannah von Reth <hannah.vonreth@owncloud.com>
Date: Thu, 20 May 2021 14:45:52 +0000 (+0200)
Subject: Fix network drive detection
X-Git-Tag: archive/raspbian/3.16.7-1_deb13u1+rpi1~1^2~30^2^2~189^2~6
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=0fa84e960f4fd8c837d031764cb7932b7ee20ae1;p=nextcloud-desktop.git

Fix network drive detection

We can't rely on the file system detection because Windows is reporting the underlying file system.

Fixes: #8272
---

diff --git a/src/common/vfs.cpp b/src/common/vfs.cpp
index e887937f0..84df80c76 100644
--- a/src/common/vfs.cpp
+++ b/src/common/vfs.cpp
@@ -70,10 +70,18 @@ Result<bool, QString> Vfs::checkAvailability(const QString &path)
     const auto mode = bestAvailableVfsMode();
 #ifdef Q_OS_WIN
     if (mode == Mode::WindowsCfApi) {
-        const auto fs = FileSystem::fileSystemForPath(path);
+        const auto info = QFileInfo(path);
+        if (QDir(info.canonicalPath()).isRoot()) {
+            return tr("The Virtual filesystem feature does not support a drive as sync root");
+        }
+        const auto fs = FileSystem::fileSystemForPath(info.absoluteFilePath());
         if (fs != QLatin1String("NTFS")) {
             return tr("The Virtual filesystem feature requires a NTFS file system, %1 is using %2").arg(path, fs);
         }
+        const auto type = GetDriveTypeW(reinterpret_cast<const wchar_t *>(QDir::toNativeSeparators(info.absoluteFilePath().mid(0, 3)).utf16()));
+        if (type == DRIVE_REMOTE) {
+            return tr("The Virtual filesystem feature is not supported on network drives");
+        }
     }
 #else
     Q_UNUSED(mode)