From fdc6f820ca5e4b2832a0208e2a183fb1d6f8b45f Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Sat, 30 Jun 2018 18:34:19 +0200
Subject: Bug 1413868.

---
 xpcom/tests/gtest/TestFilePreferencesWin.cpp | 141 +++++++++++++++++++++++++++
 xpcom/tests/gtest/moz.build                  |   5 +
 2 files changed, 146 insertions(+)
 create mode 100644 xpcom/tests/gtest/TestFilePreferencesWin.cpp

(limited to 'xpcom/tests')

diff --git a/xpcom/tests/gtest/TestFilePreferencesWin.cpp b/xpcom/tests/gtest/TestFilePreferencesWin.cpp
new file mode 100644
index 000000000..b7d3a3159
--- /dev/null
+++ b/xpcom/tests/gtest/TestFilePreferencesWin.cpp
@@ -0,0 +1,141 @@
+#include "gtest/gtest.h"
+
+#include "mozilla/FilePreferences.h"
+#include "nsIFile.h"
+#include "nsXPCOMCID.h"
+
+TEST(FilePreferencesWin, Normalization)
+{
+  nsAutoString normalized;
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("foo"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("foo"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\foo"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\foo"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("foo\\some"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("foo\\some"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\.\\foo"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\."), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\.\\"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\.\\."), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\bar"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar\\"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\bar\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar\\."), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\bar\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar\\.\\"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\bar\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar\\..\\"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar\\.."), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\foo\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\..\\bar\\..\\"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\..\\bar"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\bar"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar\\..\\..\\"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
+
+  mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar\\.\\..\\.\\..\\"), normalized);
+  ASSERT_TRUE(normalized == NS_LITERAL_STRING("\\\\"));
+
+  bool result;
+
+  result = mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\.."), normalized);
+  ASSERT_FALSE(result);
+
+  result = mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\..\\"), normalized);
+  ASSERT_FALSE(result);
+
+  result = mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\.\\..\\"), normalized);
+  ASSERT_FALSE(result);
+
+  result = mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\\\bar"), normalized);
+  ASSERT_FALSE(result);
+
+  result = mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\foo\\bar\\..\\..\\..\\..\\"), normalized);
+  ASSERT_FALSE(result);
+
+  result = mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\\\"), normalized);
+  ASSERT_FALSE(result);
+
+  result = mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\.\\\\"), normalized);
+  ASSERT_FALSE(result);
+
+  result = mozilla::FilePreferences::testing::NormalizePath(
+    NS_LITERAL_STRING("\\\\..\\\\"), normalized);
+  ASSERT_FALSE(result);
+}
+
+TEST(FilePreferencesWin, AccessUNC)
+{
+  nsCOMPtr<nsIFile> lf = do_CreateInstance(NS_LOCAL_FILE_CONTRACTID);
+
+  nsresult rv;
+
+  mozilla::FilePreferences::testing::SetBlockUNCPaths(false);
+
+  rv = lf->InitWithPath(NS_LITERAL_STRING("\\\\nice\\..\\evil\\share"));
+  ASSERT_EQ(rv, NS_OK);
+
+  mozilla::FilePreferences::testing::SetBlockUNCPaths(true);
+
+  rv = lf->InitWithPath(NS_LITERAL_STRING("\\\\nice\\..\\evil\\share"));
+  ASSERT_EQ(rv, NS_ERROR_FILE_ACCESS_DENIED);
+
+  mozilla::FilePreferences::testing::AddDirectoryToWhitelist(NS_LITERAL_STRING("\\\\nice"));
+
+  rv = lf->InitWithPath(NS_LITERAL_STRING("\\\\nice\\share"));
+  ASSERT_EQ(rv, NS_OK);
+
+  rv = lf->InitWithPath(NS_LITERAL_STRING("\\\\nice\\..\\evil\\share"));
+  ASSERT_EQ(rv, NS_ERROR_FILE_ACCESS_DENIED);
+}
diff --git a/xpcom/tests/gtest/moz.build b/xpcom/tests/gtest/moz.build
index 53836eaef..ac98c2217 100644
--- a/xpcom/tests/gtest/moz.build
+++ b/xpcom/tests/gtest/moz.build
@@ -56,6 +56,11 @@ if CONFIG['MOZ_DEBUG'] and CONFIG['OS_ARCH'] not in ('WINNT') and CONFIG['OS_TAR
         'TestDeadlockDetectorScalability.cpp',
     ]
 
+if CONFIG['OS_TARGET'] == 'WINNT':
+    UNIFIED_SOURCES += [
+        'TestFilePreferencesWin.cpp',
+    ]
+
 if CONFIG['WRAP_STL_INCLUDES'] and not CONFIG['CLANG_CL']:
     UNIFIED_SOURCES += [
         'TestSTLWrappers.cpp',
-- 
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