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| 1 | +/* |
| 2 | + * PROJECT: ReactOS Win32K |
| 3 | + * LICENSE: GPL - See COPYING in the top level directory |
| 4 | + * FILE: server/main/misc.c |
| 5 | + * PURPOSE: Misc stuff |
| 6 | + * PROGRAMMERS: Aleksey Bragin ([email protected]) |
| 7 | + */ |
| 8 | + |
| 9 | +/* INCLUDES ******************************************************************/ |
| 10 | + |
| 11 | +#include <win32k.h> |
| 12 | + |
| 13 | +//#define NDEBUG |
| 14 | +#include <debug.h> |
| 15 | + |
| 16 | +#include <ntstatus.h> |
| 17 | +//#include <shutdown.h> |
| 18 | +#include <csr.h> |
| 19 | + |
| 20 | +extern PEPROCESS CsrProcess; |
| 21 | + |
| 22 | +NTSTATUS |
| 23 | +APIENTRY |
| 24 | +NtUserSetInformationThread(IN HANDLE ThreadHandle, |
| 25 | + IN USERTHREADINFOCLASS ThreadInformationClass, |
| 26 | + IN PVOID ThreadInformation, |
| 27 | + IN ULONG ThreadInformationLength) |
| 28 | +{ |
| 29 | + NTSTATUS Status = STATUS_SUCCESS; |
| 30 | + PETHREAD Thread; |
| 31 | + |
| 32 | + /* Allow only CSRSS to perform this operation */ |
| 33 | + if (PsGetCurrentProcess() != CsrProcess) |
| 34 | + return STATUS_ACCESS_DENIED; |
| 35 | + |
| 36 | + UserEnterExclusive(); |
| 37 | + |
| 38 | + /* Get the Thread */ |
| 39 | + Status = ObReferenceObjectByHandle(ThreadHandle, |
| 40 | + THREAD_SET_INFORMATION, |
| 41 | + *PsThreadType, |
| 42 | + UserMode, |
| 43 | + (PVOID)&Thread, |
| 44 | + NULL); |
| 45 | + if (!NT_SUCCESS(Status)) goto Quit; |
| 46 | + |
| 47 | + switch (ThreadInformationClass) |
| 48 | + { |
| 49 | + case UserThreadInitiateShutdown: |
| 50 | + { |
| 51 | + ULONG CapturedFlags = 0; |
| 52 | + |
| 53 | + DPRINT("Shutdown initiated\n"); |
| 54 | + |
| 55 | + if (ThreadInformationLength != sizeof(ULONG)) |
| 56 | + { |
| 57 | + Status = STATUS_INFO_LENGTH_MISMATCH; |
| 58 | + break; |
| 59 | + } |
| 60 | + |
| 61 | + /* Capture the caller value */ |
| 62 | + Status = STATUS_SUCCESS; |
| 63 | + _SEH2_TRY |
| 64 | + { |
| 65 | + ProbeForWrite(ThreadInformation, sizeof(CapturedFlags), sizeof(PVOID)); |
| 66 | + CapturedFlags = *(PULONG)ThreadInformation; |
| 67 | + } |
| 68 | + _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) |
| 69 | + { |
| 70 | + Status = _SEH2_GetExceptionCode(); |
| 71 | + _SEH2_YIELD(break); |
| 72 | + } |
| 73 | + _SEH2_END; |
| 74 | + |
| 75 | + Status = STATUS_NOT_IMPLEMENTED; //UserInitiateShutdown(Thread, &CapturedFlags); |
| 76 | + UNIMPLEMENTED; |
| 77 | + |
| 78 | + /* Return the modified value to the caller */ |
| 79 | + _SEH2_TRY |
| 80 | + { |
| 81 | + *(PULONG)ThreadInformation = CapturedFlags; |
| 82 | + } |
| 83 | + _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) |
| 84 | + { |
| 85 | + Status = _SEH2_GetExceptionCode(); |
| 86 | + } |
| 87 | + _SEH2_END; |
| 88 | + |
| 89 | + break; |
| 90 | + } |
| 91 | + |
| 92 | + case UserThreadEndShutdown: |
| 93 | + { |
| 94 | + NTSTATUS ShutdownStatus; |
| 95 | + |
| 96 | + DPRINT("Shutdown ended\n"); |
| 97 | + |
| 98 | + if (ThreadInformationLength != sizeof(ShutdownStatus)) |
| 99 | + { |
| 100 | + Status = STATUS_INFO_LENGTH_MISMATCH; |
| 101 | + break; |
| 102 | + } |
| 103 | + |
| 104 | + /* Capture the caller value */ |
| 105 | + Status = STATUS_SUCCESS; |
| 106 | + _SEH2_TRY |
| 107 | + { |
| 108 | + ProbeForRead(ThreadInformation, sizeof(ShutdownStatus), sizeof(PVOID)); |
| 109 | + ShutdownStatus = *(NTSTATUS*)ThreadInformation; |
| 110 | + } |
| 111 | + _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) |
| 112 | + { |
| 113 | + Status = _SEH2_GetExceptionCode(); |
| 114 | + _SEH2_YIELD(break); |
| 115 | + } |
| 116 | + _SEH2_END; |
| 117 | + |
| 118 | + Status = STATUS_NOT_IMPLEMENTED; //UserEndShutdown(Thread, ShutdownStatus); |
| 119 | + UNIMPLEMENTED; |
| 120 | + break; |
| 121 | + } |
| 122 | + |
| 123 | + case UserThreadCsrApiPort: |
| 124 | + { |
| 125 | + HANDLE CsrPortHandle; |
| 126 | + |
| 127 | + DPRINT("Set CSR API Port for Win32k\n"); |
| 128 | + |
| 129 | + if (ThreadInformationLength != sizeof(CsrPortHandle)) |
| 130 | + { |
| 131 | + Status = STATUS_INFO_LENGTH_MISMATCH; |
| 132 | + break; |
| 133 | + } |
| 134 | + |
| 135 | + /* Capture the caller value */ |
| 136 | + Status = STATUS_SUCCESS; |
| 137 | + _SEH2_TRY |
| 138 | + { |
| 139 | + ProbeForRead(ThreadInformation, sizeof(CsrPortHandle), sizeof(PVOID)); |
| 140 | + CsrPortHandle = *(PHANDLE)ThreadInformation; |
| 141 | + } |
| 142 | + _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER) |
| 143 | + { |
| 144 | + Status = _SEH2_GetExceptionCode(); |
| 145 | + _SEH2_YIELD(break); |
| 146 | + } |
| 147 | + _SEH2_END; |
| 148 | + |
| 149 | + Status = STATUS_NOT_IMPLEMENTED;//InitCsrApiPort(CsrPortHandle); |
| 150 | + UNIMPLEMENTED; |
| 151 | + break; |
| 152 | + } |
| 153 | + |
| 154 | + default: |
| 155 | + { |
| 156 | + UNIMPLEMENTED; |
| 157 | + Status = STATUS_NOT_IMPLEMENTED; |
| 158 | + break; |
| 159 | + } |
| 160 | + } |
| 161 | + |
| 162 | + ObDereferenceObject(Thread); |
| 163 | + |
| 164 | +Quit: |
| 165 | + UserLeave(); |
| 166 | + return Status; |
| 167 | +} |
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