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wine-staging/patches/kernel32-VerifyVersionInfo/0002-ntdll-Fix-condition-mask-handling-in-RtlVerifyVersio.patch

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From ca7be85de4f395713f3b388d6eb1ce7399b5e2d8 Mon Sep 17 00:00:00 2001
From: Sebastian Lackner <sebastian@fds-team.de>
Date: Mon, 1 Dec 2014 11:30:58 +0100
Subject: ntdll: Fix condition mask handling in RtlVerifyVersionInfo.
---
dlls/kernel32/tests/version.c | 7 ------
dlls/ntdll/version.c | 50 ++++++++++++++++++++++++++++++++-----------
2 files changed, 37 insertions(+), 20 deletions(-)
diff --git a/dlls/kernel32/tests/version.c b/dlls/kernel32/tests/version.c
index 248f01c..4d07176 100644
--- a/dlls/kernel32/tests/version.c
+++ b/dlls/kernel32/tests/version.c
@@ -360,7 +360,6 @@ static void test_VerifyVersionInfo(void)
info.dwMinorVersion++;
ret = pVerifyVersionInfoA(&info, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
pVerSetConditionMask(pVerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL), VER_MINORVERSION, VER_LESS));
- todo_wine
ok(ret, "VerifyVersionInfoA failed with error %d\n", GetLastError());
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXA);
@@ -464,7 +463,6 @@ static void test_VerifyVersionInfo(void)
info.wServicePackMinor++;
ret = pVerifyVersionInfoA(&info, VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
pVerSetConditionMask(pVerSetConditionMask(0, VER_SERVICEPACKMAJOR, VER_EQUAL), VER_SERVICEPACKMINOR, VER_LESS));
- todo_wine
ok(ret, "VerifyVersionInfoA failed with error %d\n", GetLastError());
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXA);
@@ -484,7 +482,6 @@ static void test_VerifyVersionInfo(void)
ret = pVerifyVersionInfoA(&info, VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
pVerSetConditionMask(pVerSetConditionMask(pVerSetConditionMask(0, VER_MINORVERSION, VER_EQUAL),
VER_SERVICEPACKMAJOR, VER_EQUAL), VER_SERVICEPACKMINOR, VER_LESS));
- todo_wine
ok(ret, "VerifyVersionInfoA failed with error %d\n", GetLastError());
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXA);
@@ -505,7 +502,6 @@ static void test_VerifyVersionInfo(void)
ret = pVerifyVersionInfoA(&info, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
pVerSetConditionMask(pVerSetConditionMask(pVerSetConditionMask(pVerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL),
VER_MINORVERSION, VER_EQUAL), VER_SERVICEPACKMAJOR, VER_EQUAL), VER_SERVICEPACKMINOR, VER_LESS));
- todo_wine
ok(ret, "VerifyVersionInfoA failed with error %d\n", GetLastError());
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXA);
@@ -584,7 +580,6 @@ static void test_VerifyVersionInfo(void)
info.wServicePackMajor++;
ret = pVerifyVersionInfoA(&info, VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
pVerSetConditionMask(pVerSetConditionMask(0, VER_MINORVERSION, VER_EQUAL), VER_SERVICEPACKMAJOR, VER_LESS));
- todo_wine
ok(ret, "VerifyVersionInfoA failed with error %d\n", GetLastError());
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXA);
@@ -603,7 +598,6 @@ static void test_VerifyVersionInfo(void)
info.wServicePackMajor++;
ret = pVerifyVersionInfoA(&info, VER_MAJORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
pVerSetConditionMask(pVerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL), VER_SERVICEPACKMAJOR, VER_LESS));
- todo_wine
ok(ret, "VerifyVersionInfoA failed with error %d\n", GetLastError());
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXA);
@@ -623,7 +617,6 @@ static void test_VerifyVersionInfo(void)
ret = pVerifyVersionInfoA(&info, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR,
pVerSetConditionMask(pVerSetConditionMask(pVerSetConditionMask(0, VER_MAJORVERSION, VER_EQUAL),
VER_MINORVERSION, VER_EQUAL), VER_SERVICEPACKMAJOR, VER_LESS));
- todo_wine
ok(ret, "VerifyVersionInfoA failed with error %d\n", GetLastError());
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXA);
diff --git a/dlls/ntdll/version.c b/dlls/ntdll/version.c
index a6340eb..5d1b445 100644
--- a/dlls/ntdll/version.c
+++ b/dlls/ntdll/version.c
@@ -657,6 +657,35 @@ BOOLEAN WINAPI RtlGetNtProductType( LPDWORD type )
}
+static inline UCHAR version_update_condition(PUCHAR last_condition, UCHAR condition)
+{
+ switch (*last_condition)
+ {
+ case 0:
+ *last_condition = condition;
+ break;
+ case VER_EQUAL:
+ if (condition >= VER_EQUAL && condition <= VER_LESS_EQUAL)
+ {
+ *last_condition = condition;
+ return condition;
+ }
+ break;
+ case VER_GREATER:
+ case VER_GREATER_EQUAL:
+ if (condition >= VER_EQUAL && condition <= VER_GREATER_EQUAL)
+ return condition;
+ break;
+ case VER_LESS:
+ case VER_LESS_EQUAL:
+ if (condition == VER_EQUAL || (condition >= VER_LESS && condition <= VER_LESS_EQUAL))
+ return condition;
+ break;
+ }
+ if (!condition) *last_condition |= 0x10;
+ return *last_condition & 0xf;
+}
+
static inline NTSTATUS version_compare_values(ULONG left, ULONG right, UCHAR condition)
{
switch (condition) {
@@ -732,38 +761,33 @@ NTSTATUS WINAPI RtlVerifyVersionInfo( const RTL_OSVERSIONINFOEXW *info,
if(dwTypeMask & (VER_MAJORVERSION|VER_MINORVERSION|VER_SERVICEPACKMAJOR|VER_SERVICEPACKMINOR))
{
- unsigned char condition = 0;
+ unsigned char condition, last_condition = 0;
BOOLEAN do_next_check = TRUE;
if(dwTypeMask & VER_MAJORVERSION)
- condition = dwlConditionMask >> 1*3 & 0x07;
- else if(dwTypeMask & VER_MINORVERSION)
- condition = dwlConditionMask >> 0*3 & 0x07;
- else if(dwTypeMask & VER_SERVICEPACKMAJOR)
- condition = dwlConditionMask >> 5*3 & 0x07;
- else if(dwTypeMask & VER_SERVICEPACKMINOR)
- condition = dwlConditionMask >> 4*3 & 0x07;
-
- if(dwTypeMask & VER_MAJORVERSION)
{
+ condition = version_update_condition(&last_condition, dwlConditionMask >> 1*3 & 0x07);
status = version_compare_values(ver.dwMajorVersion, info->dwMajorVersion, condition);
do_next_check = (ver.dwMajorVersion == info->dwMajorVersion) &&
- ((condition != VER_EQUAL) || (status == STATUS_SUCCESS));
+ ((condition >= VER_EQUAL) && (condition <= VER_LESS_EQUAL));
}
if((dwTypeMask & VER_MINORVERSION) && do_next_check)
{
+ condition = version_update_condition(&last_condition, dwlConditionMask >> 0*3 & 0x07);
status = version_compare_values(ver.dwMinorVersion, info->dwMinorVersion, condition);
do_next_check = (ver.dwMinorVersion == info->dwMinorVersion) &&
- ((condition != VER_EQUAL) || (status == STATUS_SUCCESS));
+ ((condition >= VER_EQUAL) && (condition <= VER_LESS_EQUAL));
}
if((dwTypeMask & VER_SERVICEPACKMAJOR) && do_next_check)
{
+ condition = version_update_condition(&last_condition, dwlConditionMask >> 5*3 & 0x07);
status = version_compare_values(ver.wServicePackMajor, info->wServicePackMajor, condition);
do_next_check = (ver.wServicePackMajor == info->wServicePackMajor) &&
- ((condition != VER_EQUAL) || (status == STATUS_SUCCESS));
+ ((condition >= VER_EQUAL) && (condition <= VER_LESS_EQUAL));
}
if((dwTypeMask & VER_SERVICEPACKMINOR) && do_next_check)
{
+ condition = version_update_condition(&last_condition, dwlConditionMask >> 4*3 & 0x07);
status = version_compare_values(ver.wServicePackMinor, info->wServicePackMinor, condition);
}
--
2.1.3
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