| [5224] | 1 | /* $Id: libW32kProcessReadWrite.c,v 1.2 2001-02-21 07:47:58 bird Exp $
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| [4347] | 2 | *
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| 3 | * libW32kProcessReadWrite - Read or write to another process.
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| 4 | *
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| [5224] | 5 | * Copyright (c) 2000-2001 knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| [4347] | 6 | *
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| 7 | * Project Odin Software License can be found in LICENSE.TXT
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| 8 | *
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| 9 | */
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| 10 |
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| 11 |
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| 12 | /*******************************************************************************
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| 13 | * Header Files *
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| 14 | *******************************************************************************/
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| 15 | #define INCL_DOSERRORS
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| 16 | #define INCL_DOSFILEMGR
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| 17 | #define INCL_DOSDEVICES
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| 18 |
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| 19 |
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| 20 | /*******************************************************************************
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| 21 | * Internal Functions *
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| 22 | *******************************************************************************/
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| 23 | #include <os2.h>
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| 24 | #include "win32k.h"
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| [5224] | 25 | #include "libPrivate.h"
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| [4347] | 26 |
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| 27 |
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| 28 | /**
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| 29 | * Reads or write memory in another process.
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| 30 | * @returns OS2 returncode.
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| 31 | * @param pid Process ID which is to be written to.
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| 32 | * @param cb Number of bytes to write.
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| 33 | * @param pvSource Pointer to data to read.
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| 34 | * @param pvTarget Pointer to where to write.
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| 35 | * @param fRead TRUE: pvSource is within pid while pvTarget is ours.
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| 36 | * FALSE: pvTarget is within pid while pvSource is ours.
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| 37 | * @status completely implelemented.
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| 38 | * @author knut st. osmundsen (knut.stange.osmundsen@mynd.no)
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| 39 | */
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| 40 | APIRET APIENTRY W32kProcessReadWrite(PID pid, ULONG cb, PVOID pvSource, PVOID pvTarget, BOOL fRead)
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| 41 | {
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| 42 | APIRET rc;
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| 43 |
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| 44 | if (fInited)
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| 45 | {
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| 46 | K32PROCESSREADWRITE Param;
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| 47 | ULONG cbParam = sizeof(Param);
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| 48 | ULONG cbData = 0UL;
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| 49 |
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| [5224] | 50 | Param.hdr.cb = sizeof(Param);
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| 51 | Param.hdr.rc = ERROR_NOT_SUPPORTED;
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| [4347] | 52 | Param.pid = pid;
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| 53 | Param.cb = cb;
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| 54 | Param.pvSource = pvSource;
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| 55 | Param.pvTarget = pvTarget;
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| 56 | Param.fRead = fRead;
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| 57 |
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| [5224] | 58 | if (usCGSelector)
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| 59 | return libCallThruCallGate(K32_PROCESSREADWRITE, &Param);
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| [4347] | 60 | rc = DosDevIOCtl(hWin32k,
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| 61 | IOCTL_W32K_K32,
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| 62 | K32_PROCESSREADWRITE,
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| 63 | &Param, sizeof(Param), &cbParam,
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| 64 | "", 1, &cbData);
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| 65 |
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| 66 | if (rc == NO_ERROR)
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| [5224] | 67 | rc = Param.hdr.rc;
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| [4347] | 68 | }
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| 69 | else
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| 70 | rc = ERROR_INIT_ROUTINE_FAILED;
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| 71 |
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| 72 | return rc;
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| 73 | }
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| 74 |
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