reactos/lib/advapi32/sec/misc.c

   1 /*
   2  */
   3
   4 #define NTOS_MODE_USER
   5 #include <ntos.h>
   6 #include <windows.h>
   7
   8
   9 WINBOOL STDCALL
  10 AreAllAccessesGranted(DWORD GrantedAccess,
  11                       DWORD DesiredAccess)
  12 {
  13   return((BOOL)RtlAreAllAccessesGranted(GrantedAccess,
  14                                         DesiredAccess));
  15 }
  16
  17
  18 WINBOOL STDCALL
  19 AreAnyAccessesGranted(DWORD GrantedAccess,
  20                       DWORD DesiredAccess)
  21 {
  22   return((BOOL)RtlAreAnyAccessesGranted(GrantedAccess,
  23                                         DesiredAccess));
  24 }
  25
  26
  27 WINBOOL STDCALL
  28 GetKernelObjectSecurity(HANDLE Handle,
  29                         SECURITY_INFORMATION RequestedInformation,
  30                         PSECURITY_DESCRIPTOR pSecurityDescriptor,
  31                         DWORD nLength,
  32                         LPDWORD lpnLengthNeeded)
  33 {
  34   NTSTATUS Status;
  35
  36   Status = NtQuerySecurityObject(Handle,
  37                                  RequestedInformation,
  38                                  pSecurityDescriptor,
  39                                  nLength,
  40                                  lpnLengthNeeded);
  41   if (!NT_SUCCESS(Status))
  42     {
  43       SetLastError(RtlNtStatusToDosError(Status));
  44       return(FALSE);
  45     }
  46   return(TRUE);
  47 }
  48
  49
  50 BOOL STDCALL
  51 SetKernelObjectSecurity(HANDLE Handle,
  52                         SECURITY_INFORMATION SecurityInformation,
  53                         PSECURITY_DESCRIPTOR SecurityDescriptor)
  54 {
  55   NTSTATUS Status;
  56
  57   Status = NtSetSecurityObject(Handle,
  58                                SecurityInformation,
  59                                SecurityDescriptor);
  60   if (!NT_SUCCESS(Status))
  61     {
  62       SetLastError(RtlNtStatusToDosError(Status));
  63       return(FALSE);
  64     }
  65   return(TRUE);
  66 }
  67
  68
  69 VOID STDCALL
  70 MapGenericMask(PDWORD AccessMask,
  71                PGENERIC_MAPPING GenericMapping)
  72 {
  73   RtlMapGenericMask(AccessMask,
  74                     GenericMapping);
  75 }
  76
  77
  78 BOOL STDCALL
  79 ImpersonateSelf(SECURITY_IMPERSONATION_LEVEL ImpersonationLevel)
  80 {
  81   NTSTATUS Status;
  82
  83   Status = RtlImpersonateSelf(ImpersonationLevel);
  84   if (!NT_SUCCESS(Status))
  85     {
  86       SetLastError(RtlNtStatusToDosError(Status));
  87       return(FALSE);
  88     }
  89   return(TRUE);
  90 }
  91
  92
  93 BOOL STDCALL
  94 RevertToSelf(VOID)
  95 {
  96   NTSTATUS Status;
  97   HANDLE Token = NULL;
  98
  99   Status = NtSetInformationThread(NtCurrentThread(),
 100                                   ThreadImpersonationToken,
 101                                   &Token,
 102                                   sizeof(HANDLE));
 103   if (!NT_SUCCESS(Status))
 104     {
 105       SetLastError(RtlNtStatusToDosError(Status));
 106       return(FALSE);
 107     }
 108   return(TRUE);
 109 }
 110
 111 /* EOF */
 112