reactos/win32ss/base/kernel32/client/version.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS system libraries
   4  * FILE:            dll/win32/kernel32/misc/version.c
   5  * PURPOSE:         Version functions
   6  * PROGRAMMER:      Ariadne (ariadne@xs4all.nl)
   7                     Ged Murphy (gedmurphy@reactos.org)
   8  */
   9
  10 #include <k32.h>
  11
  12 #define NDEBUG
  13 #include <debug.h>
  14
  15 /* FUNCTIONS ******************************************************************/
  16
  17 /*
  18  * @implemented
  19  */
  20 DWORD
  21 WINAPI
  22 GetVersion(VOID)
  23 {
  24     PPEB Peb = NtCurrentPeb();
  25
  26     return (DWORD)( ((Peb->OSPlatformId ^ 2) << 30) |
  27                      (Peb->OSBuildNumber     << 16) |
  28                      (Peb->OSMinorVersion    << 8 ) |
  29                       Peb->OSMajorVersion );
  30 }
  31
  32 /*
  33  * @implemented
  34  */
  35 BOOL
  36 WINAPI
  37 GetVersionExW(IN LPOSVERSIONINFOW lpVersionInformation)
  38 {
  39     NTSTATUS Status;
  40     LPOSVERSIONINFOEXW lpVersionInformationEx;
  41
  42     if ((lpVersionInformation->dwOSVersionInfoSize != sizeof(OSVERSIONINFOW)) &&
  43         (lpVersionInformation->dwOSVersionInfoSize != sizeof(OSVERSIONINFOEXW)))
  44     {
  45         SetLastError(ERROR_INSUFFICIENT_BUFFER);
  46         return FALSE;
  47     }
  48
  49     Status = RtlGetVersion((PRTL_OSVERSIONINFOW)lpVersionInformation);
  50     if (Status == STATUS_SUCCESS)
  51     {
  52         if (lpVersionInformation->dwOSVersionInfoSize == sizeof(OSVERSIONINFOEXW))
  53         {
  54             lpVersionInformationEx = (PVOID)lpVersionInformation;
  55             lpVersionInformationEx->wReserved = 0;
  56         }
  57
  58         return TRUE;
  59     }
  60
  61     return FALSE;
  62 }
  63
  64 /*
  65  * @implemented
  66  */
  67 BOOL
  68 WINAPI
  69 GetVersionExA(IN LPOSVERSIONINFOA lpVersionInformation)
  70 {
  71     OSVERSIONINFOEXW VersionInformation;
  72     LPOSVERSIONINFOEXA lpVersionInformationEx;
  73     UNICODE_STRING CsdVersionW;
  74     NTSTATUS Status;
  75     ANSI_STRING CsdVersionA;
  76
  77     if ((lpVersionInformation->dwOSVersionInfoSize != sizeof(OSVERSIONINFOA)) &&
  78         (lpVersionInformation->dwOSVersionInfoSize != sizeof(OSVERSIONINFOEXA)))
  79     {
  80         SetLastError(ERROR_INSUFFICIENT_BUFFER);
  81         return FALSE;
  82     }
  83
  84     VersionInformation.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEXW);
  85
  86     if (!GetVersionExW((LPOSVERSIONINFOW)&VersionInformation)) return FALSE;
  87
  88     /* Copy back fields that match both supported structures */
  89     lpVersionInformation->dwMajorVersion = VersionInformation.dwMajorVersion;
  90     lpVersionInformation->dwMinorVersion = VersionInformation.dwMinorVersion;
  91     lpVersionInformation->dwBuildNumber = VersionInformation.dwBuildNumber;
  92     lpVersionInformation->dwPlatformId = VersionInformation.dwPlatformId;
  93
  94     if (lpVersionInformation->dwOSVersionInfoSize == sizeof(OSVERSIONINFOEXA))
  95     {
  96         lpVersionInformationEx = (PVOID)lpVersionInformation;
  97         lpVersionInformationEx->wServicePackMajor = VersionInformation.wServicePackMajor;
  98         lpVersionInformationEx->wServicePackMinor = VersionInformation.wServicePackMinor;
  99         lpVersionInformationEx->wSuiteMask = VersionInformation.wSuiteMask;
 100         lpVersionInformationEx->wProductType = VersionInformation.wProductType;
 101         lpVersionInformationEx->wReserved = VersionInformation.wReserved;
 102     }
 103
 104     /* Convert the CSD string */
 105     RtlInitEmptyAnsiString(&CsdVersionA,
 106                            lpVersionInformation->szCSDVersion,
 107                            sizeof(lpVersionInformation->szCSDVersion));
 108     RtlInitUnicodeString(&CsdVersionW, VersionInformation.szCSDVersion);
 109     Status = RtlUnicodeStringToAnsiString(&CsdVersionA, &CsdVersionW, FALSE);
 110     return (NT_SUCCESS(Status));
 111 }
 112
 113 /*
 114  * @implemented
 115  */
 116 BOOL
 117 WINAPI
 118 VerifyVersionInfoW(IN LPOSVERSIONINFOEXW lpVersionInformation,
 119                    IN DWORD dwTypeMask,
 120                    IN DWORDLONG dwlConditionMask)
 121 {
 122     NTSTATUS Status;
 123
 124     Status = RtlVerifyVersionInfo((PRTL_OSVERSIONINFOEXW)lpVersionInformation,
 125                                   dwTypeMask,
 126                                   dwlConditionMask);
 127     switch (Status)
 128     {
 129         case STATUS_INVALID_PARAMETER:
 130             SetLastError(ERROR_BAD_ARGUMENTS);
 131             return FALSE;
 132
 133         case STATUS_REVISION_MISMATCH:
 134             DPRINT1("VerifyVersionInfo -- Version mismatch\n");
 135             SetLastError(ERROR_OLD_WIN_VERSION);
 136             return FALSE;
 137
 138         default:
 139             /* RtlVerifyVersionInfo shouldn't report any other failure code! */
 140             ASSERT(NT_SUCCESS(Status));
 141             return TRUE;
 142     }
 143 }
 144
 145 /*
 146  * @implemented
 147  */
 148 BOOL
 149 WINAPI
 150 VerifyVersionInfoA(IN LPOSVERSIONINFOEXA lpVersionInformation,
 151                    IN DWORD dwTypeMask,
 152                    IN DWORDLONG dwlConditionMask)
 153 {
 154     OSVERSIONINFOEXW viex;
 155
 156     /* NOTE: szCSDVersion is ignored, we don't need to convert it to Unicode */
 157     viex.dwOSVersionInfoSize = sizeof(viex);
 158     viex.dwMajorVersion = lpVersionInformation->dwMajorVersion;
 159     viex.dwMinorVersion = lpVersionInformation->dwMinorVersion;
 160     viex.dwBuildNumber = lpVersionInformation->dwBuildNumber;
 161     viex.dwPlatformId = lpVersionInformation->dwPlatformId;
 162     viex.wServicePackMajor = lpVersionInformation->wServicePackMajor;
 163     viex.wServicePackMinor = lpVersionInformation->wServicePackMinor;
 164     viex.wSuiteMask = lpVersionInformation->wSuiteMask;
 165     viex.wProductType = lpVersionInformation->wProductType;
 166     viex.wReserved = lpVersionInformation->wReserved;
 167     return VerifyVersionInfoW(&viex, dwTypeMask, dwlConditionMask);
 168 }