w2k_mem.c

Undocumented Windows 2000 Secrets简体中文版.+源码光盘

// __________________________________________________________
//
//                         w2k_mem.c
//             SBS Windows 2000 Memory Spy V1.00
//                08-27-2000 Sven B. Schreiber
//                       [e-mail]
// __________________________________________________________

#include "w2k_mem.h"

// =================================================================
// DISCLAIMER
// =================================================================

/*

This software is provided "as is" and any express or implied
warranties, including, but not limited to, the implied warranties of
merchantability and fitness for a particular purpose are disclaimed.
In no event shall the author Sven B. Schreiber be liable for any
direct, indirect, incidental, special, exemplary, or consequential
damages (including, but not limited to, procurement of substitute
goods or services; loss of use, data, or profits; or business
interruption) however caused and on any theory of liability,
whether in contract, strict liability, or tort (including negligence
or otherwise) arising in any way out of the use of this software,
even if advised of the possibility of such damage.

*/

// =================================================================
// REVISION HISTORY
// =================================================================

/*

08-27-2000 V1.00 Original version (SBS).

*/

// =================================================================
// GLOBAL VARIABLES
// =================================================================

BOOL gfSpyUnload = FALSE;

// =================================================================
// GLOBAL STRINGS
// =================================================================

WORD awSpyFile      [] = SW(DRV_FILENAME);
WORD awSpyDevice    [] = SW(DRV_MODULE);
WORD awSpyDisplay   [] = SW(DRV_NAME);
WORD awSpyPath      [] = SW(DRV_PATH);

// -----------------------------------------------------------------

WORD awArguments    [] =
    L"{ { [+option|-option] [/<path>] } "
    L"[#[[0]x]<size>] [[0]x]<base> }";

WORD awMoreInfo     [] =
    L"\r\n"
    L"<path> specifies a module to be loaded into memory.\r\n"
    L"Use the +x/-x switch to enable/disable its startup code.\r\n"
    L"If <size> is missing, the default size is %lu bytes.\r\n";

WORD awOptions      [] =
    L"\r\n"
    L"Display address options (mutually exclusive):\r\n"
    L"\r\n"
    L"   +z -z   zero-based display         on / OFF\r\n"
    L"   +r -r   physical RAM addresses     on / OFF\r\n"
    L"\r\n"
    L"Display mode options (mutually exclusive):\r\n"
    L"\r\n"
    L"   +w -w   WORD  data formatting      on / OFF\r\n"
    L"   +d -d   DWORD data formatting      on / OFF\r\n"
    L"   +q -q   QWORD data formatting      on / OFF\r\n"
    L"\r\n"
    L"Addressing options (mutually exclusive):\r\n"
    L"\r\n"
    L"   +t -t   TEB-relative addressing    on / OFF\r\n"
    L"   +f -f   FS-relative  addressing    on / OFF\r\n"
    L"   +u -u   user-mode   FS:[<base>]    on / OFF\r\n"
    L"   +k -k   kernel-mode FS:[<base>]    on / OFF\r\n"
    L"   +h -h   handle/object resolution   on / OFF\r\n"
    L"   +a -a   add bias  to  last base    on / OFF\r\n"
    L"   +s -s   sub bias from last base    on / OFF\r\n"
    L"   +p -p   pointer  from last block   on / OFF\r\n"
    L"\r\n"
    L"System status options (cumulative):\r\n"
    L"\r\n"
    L"   +o -o   display OS  information    on / OFF\r\n"
    L"   +c -c   display CPU information    on / OFF\r\n"
    L"   +g -g   display GDT information    on / OFF\r\n"
    L"   +i -i   display IDT information    on / OFF\r\n"
    L"   +b -b   display contiguous blocks  on / OFF\r\n"
    L"\r\n"
    L"Other options (cumulative):\r\n"
    L"\r\n"
    L"   +x -x   execute DLL startup code   on / OFF\r\n";

WORD awExamples     [] =
    L"\r\n"
    L"Example: The following command displays the first 64\r\n"
    L"bytes of the current Process Environment Block (PEB)\r\n"
    L"in zero-based DWORD format, assuming that a pointer to\r\n"
    L"the PEB is located at offset 0x30 inside the current\r\n"
    L"Thread Environment Block (TEB):\r\n"
    L"\r\n"
    L"   " SW(MAIN_MODULE) L" +t #0 0 +pzd #64 0x30\r\n"
    L"\r\n"
    L"Note: Specifying #0 after +t causes the TEB to be\r\n"
    L"addressed without displaying its contents.\r\n";

WORD awSummary           [] = L"\r\n"
                              L"%10lu %s requested\r\n"
                              L"%10lu %s received\r\n";

WORD awInvalidCommand    [] = L"%sYou didn't request any data!\r\n";
WORD awInvalidArgument   [] = L"%sInvalid argument: \"%s\"\r\n";
WORD awInvalidOption     [] = L"%sInvalid option: \"%c%c\"\r\n";
WORD awInvalidModule     [] = L"%sLoad error 0x%08lX: \"%s\"\r\n";

WORD awLoadLibrary       [] = L"\r\nLoadLibrary (%s) = 0x%08lX\r\n";

// -----------------------------------------------------------------

WORD awOsInfoCaption     [] =
    L"\r\n"
    L"OS information:\r\n"
    L"---------------\r\n";

// -----------------------------------------------------------------

WORD awCpuInfoCaption    [] =
    L"\r\n"
    L"CPU information:\r\n"
    L"----------------\r\n";

WORD awCpuInfoUser       [] =
    L"\r\n"
    L"User mode segments:\r\n"
    L"\r\n";

WORD awCpuInfoKernel     [] =
    L"\r\n"
    L"Kernel mode segments:\r\n"
    L"\r\n";

WORD awCpuInfoOther      [] =
    L"\r\n"
    L"IDT : Limit    = %04X, Base = %08lX\r\n"
    L"GDT : Limit    = %04X, Base = %08lX\r\n"
    L"LDT : Selector = %04X\r\n"
    L"\r\n"
    L"CR0 : Contents = %08lX\r\n"
    L"CR2 : Contents = %08lX\r\n"
    L"CR3 : Contents = %08lX\r\n";

// -----------------------------------------------------------------

WORD awGdtInfoCaption    [] =
    L"\r\n"
    L"GDT information:\r\n"
    L"----------------\r\n"
    L"\r\n";

WORD awGdtInfoSegment    [] =
    L"%s : Selector = %04X, "
    L"Base = %08lX, Limit = %08lX, DPL%u, Type = %s\r\n";

// -----------------------------------------------------------------

WORD awIdtInfoCaption    [] =
    L"\r\n"
    L"IDT information:\r\n"
    L"----------------\r\n"
    L"\r\n";

WORD awIdtInfoPointer    [] =
    L"%02lX : Pointer = %04X:%08lX, "
    L"Base = %08lX, Limit = %08lX, Type = %s\r\n";

WORD awIdtInfoSegment    [] =
    L"%02lX : TSS     = %04X,          "
    L"Base = %08lX, Limit = %08lX, Type = %s\r\n";

// -----------------------------------------------------------------

#define N_SEGMENT N_HEX32

WORD awSegment           [] = L"%03lX";
WORD awSegmentCS         [] = L"CS ";
WORD awSegmentDS         [] = L"DS ";
WORD awSegmentES         [] = L"ES ";
WORD awSegmentFS         [] = L"FS ";
WORD awSegmentGS         [] = L"GS ";
WORD awSegmentSS         [] = L"SS ";
WORD awSegmentTSS        [] = L"TSS";

// -----------------------------------------------------------------

PWORD apwTypeApplication [] =
    {
    L"DATA ---", L"DATA --a", L"DATA -w-", L"DATA -wa",
    L"DATA e--", L"DATA e-a", L"DATA ew-", L"DATA ewa",
    L"CODE ---", L"CODE --a", L"CODE -r-", L"CODE -ra",
    L"CODE c--", L"CODE c-a", L"CODE cr-", L"CODE cra",
    };

PWORD apwTypeSystem      [] =
    {
    NULL,        L"TSS16 a",  L"LDT",      L"TSS16 b",
    L"CALL16",   L"TASK",     L"INT16",    L"TRAP16",
    NULL,        L"TSS32 a",  NULL,        L"TSS32 b",
    L"CALL32",   NULL,        L"INT32",    L"TRAP32",
    };

// -----------------------------------------------------------------

WORD awTableCaption [] = L"\r\n%08lX..%08lX: %lu valid %s\r\n";
WORD awTableNoData  [] = L"\r\n%08lX: No data\r\n";

WORD awTableAddress [] = L"Address "; // 8 characters

WORD awTableSpace1  [] = L" ";
WORD awTableSpace2  [] = L"  ";

WORD awTableHex1    [] = L"%01lX";
WORD awTableHex2    [] = L"%02lX";
WORD awTableHex8    [] = L"%08lX";

WORD awByte         [] = L"byte";
WORD awBytes        [] = L"bytes";
WORD awNot          [] = L"not ";
WORD awUndefined    [] = L"???";
WORD awNewLine      [] = L"\r\n";
WORD awString       [] = L"%s";
WORD awNull         [] = L"";

// -----------------------------------------------------------------

WORD awTableDataByte  [] =
    L"\r\n%s | "
    L"%s %s %s %s-%s %s %s %s : %s %s %s %s-%s %s %s %s | "
    L"%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s";

WORD awTableBarByte   [] =
    L"\r\n---------|-"
    L"------------------------:-------------------------|-"
    L"----------------";

WORD awTableDataWord  [] =
    L"\r\n%s | "
    L"%s%s %s%s-%s%s %s%s : %s%s %s%s-%s%s %s%s | "
    L"%s%s %s%s %s%s %s%s %s%s %s%s %s%s %s%s";

WORD awTableBarWord   [] =
    L"\r\n---------|-"
    L"--------------------:---------------------|-"
    L"-----------------------";

WORD awTableDataDword [] =
    L"\r\n%s | "
    L"%s%s%s%s - %s%s%s%s : %s%s%s%s - %s%s%s%s | "
    L"%s%s%s%s %s%s%s%s %s%s%s%s %s%s%s%s";

WORD awTableBarDword  [] =
    L"\r\n---------|-"
    L"--------------------:---------------------|-"
    L"-------------------";

WORD awTableDataQword [] =
    L"\r\n%s | "
    L"%s%s%s%s-%s%s%s%s : %s%s%s%s-%s%s%s%s | "
    L"%s%s%s%s%s%s%s%s %s%s%s%s%s%s%s%s";

WORD awTableBarQword  [] =
    L"\r\n---------|-"
    L"------------------:-------------------|-"
    L"-----------------";

// =================================================================
// SPY DEVICE I/O
// =================================================================

BOOL WINAPI IoControl (HANDLE hDevice,
                       DWORD  dCode,
                       PVOID  pInput,
                       DWORD  dInput,
                       PVOID  pOutput,
                       DWORD  dOutput)
    {
    DWORD dData = 0;

    return DeviceIoControl (hDevice, dCode,
                            pInput,  dInput,
                            pOutput, dOutput,
                            &dData,  NULL)
           &&
           (dData == dOutput);
    }

// -----------------------------------------------------------------

BOOL WINAPI ReadBinary (HANDLE hDevice,
                        DWORD  dCode,
                        PVOID  pOutput,
                        DWORD  dOutput)
    {
    return IoControl (hDevice, dCode, NULL, 0, pOutput, dOutput);
    }

// -----------------------------------------------------------------

BOOL WINAPI ReadCpuInfo (HANDLE        hDevice,
                         PSPY_CPU_INFO psci)
    {
    return IoControl (hDevice, SPY_IO_CPU_INFO,
                      NULL,    0,
                      psci,    SPY_CPU_INFO_);
    }

// -----------------------------------------------------------------

BOOL WINAPI ReadSegment (HANDLE       hDevice,
                         DWORD        dSelector,
                         PSPY_SEGMENT pss)
    {
    return IoControl (hDevice,    SPY_IO_SEGMENT,
                      &dSelector, DWORD_,
                      pss,        SPY_SEGMENT_);
    }

// -----------------------------------------------------------------

BOOL WINAPI ReadPhysical (HANDLE            hDevice,
                          PVOID             pLinear,
                          PPHYSICAL_ADDRESS ppa)
    {
    return IoControl (hDevice,  SPY_IO_PHYSICAL,
                      &pLinear, PVOID_,
                      ppa,      PHYSICAL_ADDRESS_)
           &&
           (ppa->LowPart || ppa->HighPart);
    }

// =================================================================
// MEMORY MANAGEMENT
// =================================================================

PSPY_MEMORY_DATA WINAPI MemoryRelease (PSPY_MEMORY_DATA psmd)
    {
    if (psmd != NULL) LocalFree (psmd);
    return NULL;
    }

// -----------------------------------------------------------------

PSPY_MEMORY_DATA WINAPI MemoryRead (HANDLE hDevice,
                                    PVOID  pAddress,
                                    DWORD  dBytes)
    {
    SPY_MEMORY_BLOCK smb;
    DWORD            dData = SPY_MEMORY_DATA__ (dBytes);
    PSPY_MEMORY_DATA psmd  = NULL;

    if ((psmd = LocalAlloc (LMEM_FIXED, dData)) != NULL)
        {
        smb.pAddress = pAddress;
        smb.dBytes   = dBytes;

        if (!IoControl (hDevice, SPY_IO_MEMORY_DATA,
                        &smb,    SPY_MEMORY_BLOCK_,
                        psmd,    dData))
            {
            psmd = MemoryRelease (psmd);
            }
        }
    return psmd;