1 files changed, 170 insertions, 0 deletions
diff --git a/src/dokan/dbg.cc b/src/dokan/dbg.cc
new file mode 100644
index 000000000..1fb208f09
--- /dev/null
+++ b/src/dokan/dbg.cc
@@ -0,0 +1,170 @@
+/*
+ * Copyright (C) 2021 SUSE LINUX GmbH
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+*/
+
+#include "ceph_dokan.h"
+#include "utils.h"
+#include "dbg.h"
+
+#include "common/debug.h"
+#include "common/dout.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_rbd
+#undef dout_prefix
+#define dout_prefix *_dout << "rbd-wnbd: "
+
+#define check_flag(stream, val, flag) if (val & flag) { stream << "[" #flag "]"; }
+#define check_flag_eq(stream, val, flag) if (val == flag) { stream << "[" #flag "]"; }
+
+
+void print_credentials(ostringstream& Stream, PDOKAN_FILE_INFO DokanFileInfo)
+{
+  UCHAR buffer[1024];
+  DWORD returnLength;
+  CHAR accountName[256];
+  CHAR domainName[256];
+  DWORD accountLength = sizeof(accountName) / sizeof(WCHAR);
+  DWORD domainLength = sizeof(domainName) / sizeof(WCHAR);
+  SID_NAME_USE snu;
+
+  int err = 0;
+  HANDLE handle = DokanOpenRequestorToken(DokanFileInfo);
+  if (handle == INVALID_HANDLE_VALUE) {
+    err = GetLastError();
+    derr << "DokanOpenRequestorToken failed. Error: " << err << dendl;
+    return;
+  }
+
+  if (!GetTokenInformation(handle, TokenUser, buffer,
+                           sizeof(buffer), &returnLength)) {
+    err = GetLastError();
+    derr << "GetTokenInformation failed. Error: " << err << dendl;
+    CloseHandle(handle);
+    return;
+  }
+
+  CloseHandle(handle);
+
+  PTOKEN_USER tokenUser = (PTOKEN_USER)buffer;
+  if (!LookupAccountSidA(NULL, tokenUser->User.Sid, accountName,
+      &accountLength, domainName, &domainLength, &snu)) {
+    err = GetLastError();
+    derr << "LookupAccountSid failed. Error: " << err << dendl;
+    return;
+  }
+
+  Stream << "\n\tAccountName: " << accountName << ", DomainName: " << domainName;
+}
+
+void print_open_params(
+  LPCSTR FilePath,
+  ACCESS_MASK AccessMode,
+  DWORD FlagsAndAttributes,
+  ULONG ShareMode,
+  DWORD CreationDisposition,
+  ULONG CreateOptions,
+  PDOKAN_FILE_INFO DokanFileInfo)
+{
+  ostringstream o;
+  o << "CreateFile: " << FilePath << ". ";
+  print_credentials(o, DokanFileInfo);
+
+  o << "\n\tCreateDisposition: " << hex << CreationDisposition << " ";
+  check_flag_eq(o, CreationDisposition, CREATE_NEW);
+  check_flag_eq(o, CreationDisposition, OPEN_ALWAYS);
+  check_flag_eq(o, CreationDisposition, CREATE_ALWAYS);
+  check_flag_eq(o, CreationDisposition, OPEN_EXISTING);
+  check_flag_eq(o, CreationDisposition, TRUNCATE_EXISTING);
+
+  o << "\n\tShareMode: " << hex << ShareMode << " ";
+  check_flag(o, ShareMode, FILE_SHARE_READ);
+  check_flag(o, ShareMode, FILE_SHARE_WRITE);
+  check_flag(o, ShareMode, FILE_SHARE_DELETE);
+
+  o << "\n\tAccessMode: " << hex << AccessMode << " ";
+  check_flag(o, AccessMode, GENERIC_READ);
+  check_flag(o, AccessMode, GENERIC_WRITE);
+  check_flag(o, AccessMode, GENERIC_EXECUTE);
+
+  check_flag(o, AccessMode, WIN32_DELETE);
+  check_flag(o, AccessMode, FILE_READ_DATA);
+  check_flag(o, AccessMode, FILE_READ_ATTRIBUTES);
+  check_flag(o, AccessMode, FILE_READ_EA);
+  check_flag(o, AccessMode, READ_CONTROL);
+  check_flag(o, AccessMode, FILE_WRITE_DATA);
+  check_flag(o, AccessMode, FILE_WRITE_ATTRIBUTES);
+  check_flag(o, AccessMode, FILE_WRITE_EA);
+  check_flag(o, AccessMode, FILE_APPEND_DATA);
+  check_flag(o, AccessMode, WRITE_DAC);
+  check_flag(o, AccessMode, WRITE_OWNER);
+  check_flag(o, AccessMode, SYNCHRONIZE);
+  check_flag(o, AccessMode, FILE_EXECUTE);
+  check_flag(o, AccessMode, STANDARD_RIGHTS_READ);
+  check_flag(o, AccessMode, STANDARD_RIGHTS_WRITE);
+  check_flag(o, AccessMode, STANDARD_RIGHTS_EXECUTE);
+
+  o << "\n\tFlagsAndAttributes: " << hex << FlagsAndAttributes << " ";
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_ARCHIVE);
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_ENCRYPTED);
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_HIDDEN);
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_NORMAL);
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_NOT_CONTENT_INDEXED);
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_OFFLINE);
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_READONLY);
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_SYSTEM);
+  check_flag(o, FlagsAndAttributes, FILE_ATTRIBUTE_TEMPORARY);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_WRITE_THROUGH);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_OVERLAPPED);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_NO_BUFFERING);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_RANDOM_ACCESS);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_SEQUENTIAL_SCAN);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_DELETE_ON_CLOSE);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_BACKUP_SEMANTICS);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_POSIX_SEMANTICS);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_OPEN_REPARSE_POINT);
+  check_flag(o, FlagsAndAttributes, FILE_FLAG_OPEN_NO_RECALL);
+  check_flag(o, FlagsAndAttributes, SECURITY_ANONYMOUS);
+  check_flag(o, FlagsAndAttributes, SECURITY_IDENTIFICATION);
+  check_flag(o, FlagsAndAttributes, SECURITY_IMPERSONATION);
+  check_flag(o, FlagsAndAttributes, SECURITY_DELEGATION);
+  check_flag(o, FlagsAndAttributes, SECURITY_CONTEXT_TRACKING);
+  check_flag(o, FlagsAndAttributes, SECURITY_EFFECTIVE_ONLY);
+  check_flag(o, FlagsAndAttributes, SECURITY_SQOS_PRESENT);
+
+  o << "\n\tIsDirectory: " << (DokanFileInfo->IsDirectory != NULL);
+
+  o << "\n\tCreateOptions: " << hex << CreateOptions << " ";
+  check_flag(o, CreateOptions, FILE_DIRECTORY_FILE);
+  check_flag(o, CreateOptions, FILE_WRITE_THROUGH);
+  check_flag(o, CreateOptions, FILE_SEQUENTIAL_ONLY);
+  check_flag(o, CreateOptions, FILE_NO_INTERMEDIATE_BUFFERING);
+  check_flag(o, CreateOptions, FILE_SYNCHRONOUS_IO_ALERT);
+  check_flag(o, CreateOptions, FILE_SYNCHRONOUS_IO_NONALERT);
+  check_flag(o, CreateOptions, FILE_NON_DIRECTORY_FILE);
+  check_flag(o, CreateOptions, FILE_CREATE_TREE_CONNECTION);
+  check_flag(o, CreateOptions, FILE_COMPLETE_IF_OPLOCKED);
+  check_flag(o, CreateOptions, FILE_NO_EA_KNOWLEDGE);
+  check_flag(o, CreateOptions, FILE_OPEN_REMOTE_INSTANCE);
+  check_flag(o, CreateOptions, FILE_RANDOM_ACCESS);
+  check_flag(o, CreateOptions, FILE_DELETE_ON_CLOSE);
+  check_flag(o, CreateOptions, FILE_OPEN_BY_FILE_ID);
+  check_flag(o, CreateOptions, FILE_OPEN_FOR_BACKUP_INTENT);
+  check_flag(o, CreateOptions, FILE_NO_COMPRESSION);
+  check_flag(o, CreateOptions, FILE_OPEN_REQUIRING_OPLOCK);
+  check_flag(o, CreateOptions, FILE_DISALLOW_EXCLUSIVE);
+  check_flag(o, CreateOptions, FILE_RESERVE_OPFILTER);
+  check_flag(o, CreateOptions, FILE_OPEN_REPARSE_POINT);
+  check_flag(o, CreateOptions, FILE_OPEN_NO_RECALL);
+  check_flag(o, CreateOptions, FILE_OPEN_FOR_FREE_SPACE_QUERY);
+
+  // We're using a high log level since this will only be enabled with the
+  // explicit debug flag.
+  dout(0) << o.str() << dendl;
+}