| [34] | 1 | function GetAdminSid: PSID;
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| 2 | const
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| 3 | // bekannte SIDs ... (WinNT.h)
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| 4 | SECURITYNTAUTHORITY: TSIDIdentifierAuthority = (Value: (0, 0, 0, 0, 0, 5));
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| 5 | // bekannte RIDs ... (WinNT.h)
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| 6 | SECURITYBUILTINDOMAINRID: DWORD = $00000020;
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| 7 | DOMAINALIASRIDADMINS: DWORD = $00000220;
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| 8 | begin
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| 9 | Result := nil;
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| 10 | AllocateAndInitializeSid(SECURITYNTAUTHORITY,
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| 11 | 2,
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| 12 | SECURITYBUILTINDOMAINRID,
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| 13 | DOMAINALIASRIDADMINS,
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| 14 | 0,
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| 15 | 0,
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| 16 | 0,
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| 17 | 0,
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| 18 | 0,
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| 19 | 0,
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| 20 | Result);
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| 21 | end;
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| 22 |
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| 23 | function IsAdmin: LongBool;
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| 24 | var
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| 25 | TokenHandle : THandle;
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| 26 | ReturnLength : DWORD;
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| 27 | TokenInformation : PTokenGroups;
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| 28 | AdminSid : PSID;
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| 29 | Loop : Integer;
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| 30 | wv : TOSVersionInfo;
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| 31 | begin
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| 32 | wv.dwOSVersionInfoSize := sizeof(TOSversionInfo);
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| 33 | GetVersionEx(wv);
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| 34 |
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| 35 | Result := (wv.dwPlatformId = VER_PLATFORM_WIN32_WINDOWS);
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| 36 |
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| 37 | if(wv.dwPlatformId = VER_PLATFORM_WIN32_NT) then
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| 38 | begin
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| 39 | TokenHandle := 0;
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| 40 | if OpenProcessToken(GetCurrentProcess, TOKEN_QUERY, TokenHandle) then
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| 41 | try
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| 42 | ReturnLength := 0;
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| 43 | GetTokenInformation(TokenHandle, TokenGroups, nil, 0, ReturnLength);
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| 44 | TokenInformation := GetMemory(ReturnLength);
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| 45 | if Assigned(TokenInformation) then
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| 46 | try
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| 47 | if GetTokenInformation(TokenHandle, TokenGroups,
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| 48 | TokenInformation, ReturnLength, ReturnLength) then
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| 49 | begin
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| 50 | AdminSid := GetAdminSid;
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| 51 | for Loop := 0 to TokenInformation^.GroupCount - 1 do
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| 52 | begin
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| 53 | if EqualSid(TokenInformation^.Groups[Loop].Sid, AdminSid) then
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| 54 | begin
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| 55 | Result := True; break;
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| 56 | end;
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| 57 | end;
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| 58 | FreeSid(AdminSid);
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| 59 | end;
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| 60 | finally
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| 61 | FreeMemory(TokenInformation);
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| 62 | end;
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| 63 | finally
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| 64 | CloseHandle(TokenHandle);
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| 65 | end;
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| 66 | end;
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| 67 | end;
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| 68 |
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| 69 | function WVersion: string;
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| 70 | var
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| 71 | OSInfo: TOSVersionInfo;
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| 72 | begin
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| 73 | Result := '3X';
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| 74 | OSInfo.dwOSVersionInfoSize := sizeof(TOSVERSIONINFO);
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| 75 | GetVersionEx(OSInfo);
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| 76 | case OSInfo.dwPlatformID of
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| 77 | VER_PLATFORM_WIN32S: begin
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| 78 | Result := '3X';
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| 79 | Exit;
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| 80 | end;
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| 81 | VER_PLATFORM_WIN32_WINDOWS: begin
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| 82 | Result := '9X';
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| 83 | Exit;
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| 84 | end;
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| 85 | VER_PLATFORM_WIN32_NT: begin
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| 86 | Result := 'NT';
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| 87 | Exit;
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| 88 | end;
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| 89 | end; //case
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| 90 | end;
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