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Added patch fix detection of case-insensitive systems in MSYS2.

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This commit is contained in:
Sebastian Lackner
2015-08-17 06:22:27 +02:00
parent 84aaa8ff12
commit b5534bc463
5 changed files with 83 additions and 1 deletions
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52
patches/ntdll-SystemRoot_Symlink/0001-ntdll-Add-special-handling-for-SystemRoot-to-satisfy.patch Normal file
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@ -0,0 +1,52 @@
From 09014908dd815df48eb47e792fa5ad44ba34f5f2 Mon Sep 17 00:00:00 2001
From: Sebastian Lackner <sebastian@fds-team.de>
Date: Mon, 17 Aug 2015 06:17:33 +0200
Subject: ntdll: Add special handling for \SystemRoot to satisfy MSYS2
case-insensitive system check.
---
dlls/ntdll/om.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/dlls/ntdll/om.c b/dlls/ntdll/om.c
index 6527501..566169a 100644
--- a/dlls/ntdll/om.c
+++ b/dlls/ntdll/om.c
@@ -39,6 +39,7 @@
#include "ntdll_misc.h"
#include "wine/server.h"
#include "wine/exception.h"
+#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(ntdll);
@@ -614,7 +615,9 @@ NTSTATUS WINAPI NtQueryDirectoryObject(HANDLE handle, PDIRECTORY_BASIC_INFORMATI
NTSTATUS WINAPI NtOpenSymbolicLinkObject(OUT PHANDLE LinkHandle, IN ACCESS_MASK DesiredAccess,
IN POBJECT_ATTRIBUTES ObjectAttributes)
{
+ static const WCHAR SystemRootW[] = {'\\','S','y','s','t','e','m','R','o','o','t'};
NTSTATUS ret;
+
TRACE("(%p,0x%08x,%s)\n",LinkHandle, DesiredAccess, debugstr_ObjectAttributes(ObjectAttributes));
if (!LinkHandle) return STATUS_ACCESS_VIOLATION;
@@ -629,6 +632,16 @@ NTSTATUS WINAPI NtOpenSymbolicLinkObject(OUT PHANDLE LinkHandle, IN ACCESS_MASK
return STATUS_OBJECT_PATH_SYNTAX_BAD;
}
+ /* MSYS2 tries to open \\SYSTEMROOT to check for case-insensitive systems */
+ if (!DesiredAccess && !ObjectAttributes->RootDirectory &&
+ ObjectAttributes->ObjectName->Length == sizeof(SystemRootW) &&
+ !memicmpW( ObjectAttributes->ObjectName->Buffer, SystemRootW,
+ sizeof(SystemRootW)/sizeof(WCHAR) ))
+ {
+ TRACE( "returning STATUS_ACCESS_DENIED\n" );
+ return STATUS_ACCESS_DENIED;
+ }
+
SERVER_START_REQ(open_symlink)
{
req->access = DesiredAccess;
--
2.5.0

2
patches/ntdll-SystemRoot_Symlink/definition Normal file
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@ -0,0 +1,2 @@
Fixes: Fix detection of case-insensitive systems in MSYS2
Depends: ntdll-Exception