DoubleAgentDll/VerifierDll.c

/* Includes ******************************************************************/
#include <Windows.h>
#include "Status.h"

/* Types *********************************************************************/
typedef struct _RTL_VERIFIER_DLL_DESCRIPTOR
{
    PWSTR pwszDllName;
    DWORD dwDllFlags;
    PVOID pvDllAddress;
    PVOID pvDllThunks;
} RTL_VERIFIER_DLL_DESCRIPTOR, *PRTL_VERIFIER_DLL_DESCRIPTOR;

typedef struct _RTL_VERIFIER_PROVIDER_DESCRIPTOR
{
    DWORD dwLength;
    PVOID pvProviderDlls;
    PVOID pvProviderDllLoadCallback;
    PVOID pvProviderDllUnloadCallback;
    PWSTR pwszVerifierImage;
    DWORD dwVerifierFlags;
    DWORD dwVerifierDebug;
    PVOID pvRtlpGetStackTraceAddress;
    PVOID pvRtlpDebugPageHeapCreate;
    PVOID pvRtlpDebugPageHeapDestroy;
    PVOID pvProviderNtdllHeapFreeCallback;
} RTL_VERIFIER_PROVIDER_DESCRIPTOR, *PRTL_VERIFIER_PROVIDER_DESCRIPTOR;

typedef struct _RTL_VERIFIER_MINILOADATTACH_PROVIDER_DESCRIPTOR
{
    DWORD dwLength;
    DWORD dwReserved;
    DWORD dwReserved1;
    DWORD dwReserved2;
    DWORD dwReserved3;
    DWORD dwReserved4;
    DWORD dwReserved5;
    DWORD dwReserved6;
    PDWORD pdwAVrfDphGlobalFlags;
    PVOID pvAVrfpHeapTable;
    PRTL_VERIFIER_PROVIDER_DESCRIPTOR ptAVrfpProvider;
    CHAR szReserved7[0x18];
} RTL_VERIFIER_MINILOADATTACH_PROVIDER_DESCRIPTOR, *PRTL_VERIFIER_MINILOADATTACH_PROVIDER_DESCRIPTOR;

/* Global Variables **********************************************************/
RTL_VERIFIER_DLL_DESCRIPTOR atDLLs[] = { { 0 } };
RTL_VERIFIER_PROVIDER_DESCRIPTOR tVpd = { sizeof(RTL_VERIFIER_PROVIDER_DESCRIPTOR), atDLLs };

/* Function Definitions ******************************************************/
BOOL VERIFIERDLL_DllMainProcessVerifier(IN PVOID pvReserved)
{
    DOUBLEAGENT_STATUS eStatus = DOUBLEAGENT_STATUS_INVALID_VALUE;

    /* Validates the parameters */
    if (NULL == pvReserved)
    {
        DOUBLEAGENT_SET(eStatus, DOUBLEAGENT_STATUS_DOUBLEAGENTDLL_VERIFIERDLL_DLLMAINPROCESSVERIFIER_INVALID_PARAMS);
        goto lbl_cleanup;
    }

    /* Sets the reserved parameter */
    *((PRTL_VERIFIER_PROVIDER_DESCRIPTOR *)pvReserved) = &tVpd;

    /* Succeeded */
    DOUBLEAGENT_SET(eStatus, DOUBLEAGENT_STATUS_SUCCESS);

lbl_cleanup:
    /* Returns status */
    return FALSE != DOUBLEAGENT_SUCCESS(eStatus);
}