Sebastian Lackner : ntdll: Fix condition mask handling in RtlVerifyVersionInfo.
Module: wine Branch: stable Commit: f7f77089619f8df30054e36cb54eddb11063340b URL: https://source.winehq.org/git/wine.git/?a=commit;h=f7f77089619f8df30054e36cb... Author: Sebastian Lackner <sebastian(a)fds-team.de> Date: Tue Feb 27 14:18:38 2018 +0300 ntdll: Fix condition mask handling in RtlVerifyVersionInfo. Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> (cherry picked from commit 004d32dae6cbb419e926fb9c6ad410d17b68f56c) Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org> --- dlls/kernel32/tests/version.c | 14 ------------- dlls/ntdll/version.c | 49 +++++++++++++++++++++++++++++++------------ 2 files changed, 36 insertions(+), 27 deletions(-) diff --git a/dlls/kernel32/tests/version.c b/dlls/kernel32/tests/version.c index 8360994..e4f4a9f 100644 --- a/dlls/kernel32/tests/version.c +++ b/dlls/kernel32/tests/version.c @@ -201,9 +201,6 @@ static void test_VerifyVersionInfo(void) VER_MAJORVERSION, VER_EQUAL, VER_MINORVERSION, VER_LESS, - 0, 0, - 0, 0, - TRUE, }, { VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, @@ -284,9 +281,6 @@ static void test_VerifyVersionInfo(void) VER_SERVICEPACKMAJOR, VER_EQUAL, VER_SERVICEPACKMINOR, VER_LESS, - 0, 0, - 0, 0, - TRUE, }, { VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, @@ -304,8 +298,6 @@ static void test_VerifyVersionInfo(void) VER_MINORVERSION, VER_EQUAL, VER_SERVICEPACKMAJOR, VER_EQUAL, VER_SERVICEPACKMINOR, VER_LESS, - 0, 0, - TRUE, }, { VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, @@ -325,7 +317,6 @@ static void test_VerifyVersionInfo(void) VER_MINORVERSION, VER_EQUAL, VER_SERVICEPACKMAJOR, VER_EQUAL, VER_SERVICEPACKMINOR, VER_LESS, - TRUE, }, { VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, @@ -368,9 +359,6 @@ static void test_VerifyVersionInfo(void) VER_MAJORVERSION, VER_EQUAL, VER_SERVICEPACKMAJOR, VER_LESS, - 0, 0, - 0, 0, - TRUE, }, { VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, @@ -388,8 +376,6 @@ static void test_VerifyVersionInfo(void) VER_MAJORVERSION, VER_EQUAL, VER_MINORVERSION, VER_EQUAL, VER_SERVICEPACKMAJOR, VER_LESS, - 0, 0, - TRUE }, { VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR | VER_SERVICEPACKMINOR, diff --git a/dlls/ntdll/version.c b/dlls/ntdll/version.c index 58ccb95..1674261 100644 --- a/dlls/ntdll/version.c +++ b/dlls/ntdll/version.c @@ -657,6 +657,34 @@ BOOLEAN WINAPI RtlGetNtProductType( LPDWORD type ) return TRUE; } +static inline UCHAR version_update_condition(UCHAR *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) { @@ -733,38 +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); }
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Alexandre Julliard