392 lines
9.7 KiB
C
392 lines
9.7 KiB
C
//+-----------------------------------------------------------------------
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//
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// Microsoft Windows
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//
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// Copyright (c) Microsoft Corporation 1999
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//
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// File: fipscryp.c
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//
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// Contents: Base level stuff for the FIPS mode crypto device driver
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//
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//
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// History: 04 JAN 00, Jeffspel Stolen from KSECDD
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// FEB 00, kschutz
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//
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//------------------------------------------------------------------------
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#include <ntddk.h>
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#include <fipsapi.h>
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#include <fipslog.h>
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#include <randlib.h>
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#pragma hdrstop
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NTSTATUS SelfMACCheck(IN LPWSTR pszImage);
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NTSTATUS AlgorithmCheck(void);
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/*
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typedef struct _DEVICE_EXTENSION {
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ULONG OpenCount;
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PVOID CodeHandle;
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PVOID DataHandle;
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} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
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*/
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VOID
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FipsLogError(
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IN PVOID Object,
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IN NTSTATUS ErrorCode,
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IN PUNICODE_STRING Insertion,
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IN ULONG DumpData
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)
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/*++
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Routine Description:
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This routine allocates an error log entry, copies the supplied data
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to it, and requests that it be written to the error log file.
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Arguments:
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DeviceObject - Supplies a pointer to the device object associated
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with the device that had the error, early in
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initialization, one may not yet exist.
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Insertion - An insertion string that can be used to log
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additional data. Note that the message file
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needs %2 for this insertion, since %1
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is the name of the driver
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ErrorCode - Supplies the IO status for this particular error.
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DumpData - One word to dump
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Return Value:
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None.
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--*/
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{
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PIO_ERROR_LOG_PACKET errorLogEntry;
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errorLogEntry = IoAllocateErrorLogEntry(
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Object,
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(UCHAR) (
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sizeof(IO_ERROR_LOG_PACKET) +
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(Insertion ? Insertion->Length + sizeof(WCHAR) : 0)
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)
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);
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ASSERT(errorLogEntry != NULL);
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if (errorLogEntry == NULL) {
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return;
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}
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errorLogEntry->ErrorCode = ErrorCode;
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errorLogEntry->SequenceNumber = 0;
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errorLogEntry->MajorFunctionCode = 0;
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errorLogEntry->RetryCount = 0;
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errorLogEntry->UniqueErrorValue = 0;
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errorLogEntry->FinalStatus = STATUS_SUCCESS;
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errorLogEntry->DumpDataSize = (DumpData ? sizeof(ULONG) : 0);
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errorLogEntry->DumpData[0] = DumpData;
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if (Insertion) {
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errorLogEntry->StringOffset =
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sizeof(IO_ERROR_LOG_PACKET);
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errorLogEntry->NumberOfStrings = 1;
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RtlCopyMemory(
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((PCHAR)(errorLogEntry) + errorLogEntry->StringOffset),
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Insertion->Buffer,
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Insertion->Length
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);
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}
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IoWriteErrorLogEntry(errorLogEntry);
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}
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NTSTATUS
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FipsCreateClose(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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)
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{
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//PDEVICE_EXTENSION deviceExtension = DeviceObject->DeviceExtension;
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PIO_STACK_LOCATION irpStack = IoGetCurrentIrpStackLocation(Irp);
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/*
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if (irpStack->MajorFunction == IRP_MJ_CREATE) {
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if (deviceExtension->OpenCount++ == 0) {
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extern DWORD Spbox[8][64];
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deviceExtension->CodeHandle = MmLockPagableCodeSection(A_SHAInit);
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MmLockPagableSectionByHandle(deviceExtension->CodeHandle);
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deviceExtension->DataHandle = MmLockPagableDataSection(Spbox);
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MmLockPagableSectionByHandle(deviceExtension->DataHandle);
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}
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} else {
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if (--deviceExtension->OpenCount == 0) {
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MmUnlockPagableImageSection(deviceExtension->CodeHandle);
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MmUnlockPagableImageSection(deviceExtension->DataHandle);
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}
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}
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*/
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Irp->IoStatus.Information = 0;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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NTSTATUS
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FipsDeviceControl(
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IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp
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)
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{
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PIO_STACK_LOCATION ioStackLocation = IoGetCurrentIrpStackLocation(Irp);
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ULONG ioControlCode = ioStackLocation->Parameters.DeviceIoControl.IoControlCode;
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NTSTATUS status = STATUS_NOT_SUPPORTED;
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Irp->IoStatus.Information = 0;
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switch (ioControlCode) {
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FIPS_FUNCTION_TABLE FipsFuncs;
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FIPS_FUNCTION_TABLE_1 OldFipsFuncsV1;
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case IOCTL_FIPS_GET_FUNCTION_TABLE:
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if (ioStackLocation->Parameters.DeviceIoControl.OutputBufferLength >=
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sizeof(FipsFuncs)) {
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FipsFuncs.FipsDesKey = FipsDesKey;
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FipsFuncs.FipsDes = FipsDes;
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FipsFuncs.Fips3Des3Key = Fips3Des3Key;
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FipsFuncs.Fips3Des = Fips3Des;
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FipsFuncs.FipsSHAInit = FipsSHAInit;
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FipsFuncs.FipsSHAUpdate = FipsSHAUpdate;
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FipsFuncs.FipsSHAFinal = FipsSHAFinal;
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FipsFuncs.FipsCBC = FipsCBC;
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FipsFuncs.FIPSGenRandom = FIPSGenRandom;
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FipsFuncs.FipsBlockCBC = FipsBlockCBC;
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FipsFuncs.FipsHmacSHAInit = FipsHmacSHAInit;
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FipsFuncs.FipsHmacSHAUpdate = FipsHmacSHAUpdate;
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FipsFuncs.FipsHmacSHAFinal = FipsHmacSHAFinal;
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FipsFuncs.HmacMD5Init = HmacMD5Init;
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FipsFuncs.HmacMD5Update = HmacMD5Update;
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FipsFuncs.HmacMD5Final = HmacMD5Final;
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*((PFIPS_FUNCTION_TABLE) Irp->AssociatedIrp.SystemBuffer) =
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FipsFuncs;
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Irp->IoStatus.Information = sizeof(FipsFuncs);
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status = STATUS_SUCCESS;
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} else if (ioStackLocation->Parameters.DeviceIoControl.OutputBufferLength >=
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sizeof(OldFipsFuncsV1)) {
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OldFipsFuncsV1.FipsDesKey = FipsDesKey;
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OldFipsFuncsV1.FipsDes = FipsDes;
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OldFipsFuncsV1.Fips3Des3Key = Fips3Des3Key;
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OldFipsFuncsV1.Fips3Des = Fips3Des;
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OldFipsFuncsV1.FipsSHAInit = FipsSHAInit;
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OldFipsFuncsV1.FipsSHAUpdate = FipsSHAUpdate;
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OldFipsFuncsV1.FipsSHAFinal = FipsSHAFinal;
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OldFipsFuncsV1.FipsCBC = FipsCBC;
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OldFipsFuncsV1.FIPSGenRandom = FIPSGenRandom;
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OldFipsFuncsV1.FipsBlockCBC = FipsBlockCBC;
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*((PFIPS_FUNCTION_TABLE_1) Irp->AssociatedIrp.SystemBuffer) =
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OldFipsFuncsV1;
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Irp->IoStatus.Information = sizeof(OldFipsFuncsV1);
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status = STATUS_SUCCESS;
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} else {
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status = STATUS_BUFFER_TOO_SMALL;
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}
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break;
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}
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Irp->IoStatus.Status = status;
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IoCompleteRequest(
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Irp,
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IO_NO_INCREMENT
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);
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return status;
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}
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VOID
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FipsUnload(
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IN PDRIVER_OBJECT DriverObject
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)
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{
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PDEVICE_OBJECT deviceObject = DriverObject->DeviceObject;
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ShutdownRNG(NULL);
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// Delete the device from the system
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IoDeleteDevice(deviceObject);
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FipsDebug(
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DEBUG_TRACE,
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("Fips driver unloaded\n")
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);
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}
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NTSTATUS
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DriverEntry(
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IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath
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)
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/*++
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Routine Description:
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This is the initialization routine for the synchronous NULL device driver.
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This routine creates the device object for the NullS device and performs
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all other driver initialization.
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Arguments:
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DriverObject - Pointer to driver object created by the system.
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Return Value:
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The function value is the final status from the initialization operation.
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--*/
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{
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RTL_QUERY_REGISTRY_TABLE paramTable[2];
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UNICODE_STRING fileName, deviceName;
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PDEVICE_OBJECT deviceObject = NULL;
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NTSTATUS status;
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BOOL rngInitialized = FALSE;
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__try {
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//
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// Create the device object.
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//
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RtlInitUnicodeString(
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&deviceName,
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FIPS_DEVICE_NAME
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);
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status = IoCreateDevice(
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DriverObject,
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0 /*sizeof(DEVICE_EXTENSION)*/,
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&deviceName,
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FILE_DEVICE_FIPS,
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0,
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FALSE,
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&deviceObject
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);
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if (!NT_SUCCESS( status )) {
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__leave;
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}
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deviceObject->Flags |= DO_BUFFERED_IO;
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// initialize the device extension
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/*
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RtlZeroMemory(
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deviceObject->DeviceExtension,
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sizeof(PDEVICE_EXTENSION)
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);
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*/
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// append the name of our driver to the system root path
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RtlInitUnicodeString(
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&fileName,
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L"\\SystemRoot\\System32\\Drivers\\fips.sys"
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);
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status = SelfMACCheck(fileName.Buffer);
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if (!NT_SUCCESS(status)) {
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FipsLogError(
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DriverObject,
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FIPS_MAC_INCORRECT,
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NULL,
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status
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);
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__leave;
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}
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InitializeRNG(NULL);
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rngInitialized = TRUE;
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status = AlgorithmCheck();
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if (!NT_SUCCESS(status)) {
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FipsLogError(
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DriverObject,
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FIPS_SELF_TEST_FAILURE,
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NULL,
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status
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);
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__leave;
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}
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//
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// Initialize the driver object with this device driver's entry points.
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//
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DriverObject->DriverUnload = FipsUnload;
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DriverObject->MajorFunction[IRP_MJ_CREATE] = FipsCreateClose;
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DriverObject->MajorFunction[IRP_MJ_CLOSE] = FipsCreateClose;
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DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = FipsDeviceControl ;
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}
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__finally {
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if (status != STATUS_SUCCESS) {
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if (rngInitialized) {
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ShutdownRNG(NULL);
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}
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if (deviceObject) {
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IoDeleteDevice(deviceObject);
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}
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}
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}
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return status;
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} |