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windows-xp/Source/XPSP1/NT/drivers/sac/driver/util.c

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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
init.c
Abstract:
Utility routines for sac driver
Author:
Andrew Ritz (andrewr) - 15 June, 2000
Revision History:
--*/
#include "sac.h"
VOID
AppendMessage(
PWSTR OutPutBuffer,
ULONG MessageId,
PWSTR ValueBuffer OPTIONAL
);
NTSTATUS
InsertRegistrySzIntoMachineInfoBuffer(
PWSTR KeyName,
PWSTR ValueName,
ULONG MessageId
);
#ifdef ALLOC_PRAGMA
#pragma alloc_text( INIT, PreloadGlobalMessageTable )
#pragma alloc_text( INIT, AppendMessage )
#pragma alloc_text( INIT, InsertRegistrySzIntoMachineInfoBuffer )
#pragma alloc_text( INIT, InitializeMachineInformation )
#endif
//
// Message Table routines. We load all of our message table entries into a
// global non-paged structure so that we can send text to HeadlessDispatch at
// any time.
//
typedef struct _MESSAGE_TABLE_ENTRY {
ULONG MessageId;
PCWSTR MessageText;
} MESSAGE_TABLE_ENTRY, *PMESSAGE_TABLE_ENTRY;
PMESSAGE_TABLE_ENTRY GlobalMessageTable;
ULONG GlobalMessageTableCount;
PUCHAR Utf8ConversionBuffer;
ULONG Utf8ConversionBufferSize = MEMORY_INCREMENT;
#define MESSAGE_INITIAL 1
#define MESSAGE_FINAL 200
//
// Machine Information table and routines.
//
#define INIT_OBJA(Obja,UnicodeString,UnicodeText) \
\
RtlInitUnicodeString((UnicodeString),(UnicodeText)); \
\
InitializeObjectAttributes( \
(Obja), \
(UnicodeString), \
OBJ_CASE_INSENSITIVE, \
NULL, \
NULL \
)
extern char *GlobalBuffer;
PWSTR MachineInformationBuffer = NULL;
extern
BOOLEAN
ExVerifySuite(
SUITE_TYPE SuiteType
);
VOID
SacFormatMessage(
PWSTR OutputString,
PWSTR InputString,
ULONG InputStringLength
)
/*++
Routine Description:
This routine parses the InputString for any control characters in the
message, then converts those control characters.
Arguments:
OutputString - holds formatted string.
InputString - original unformatted string.
InputStringLength - length of unformatted string.
Return Value:
NONE
--*/
{
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC SacFormatMessage: Entering.\n")));
if( (InputString == NULL) ||
(OutputString == NULL) ||
(InputStringLength == 0) ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC SacFormatMessage: Exiting with invalid parameters.\n")));
return;
}
while( (*InputString != L'\0') &&
(InputStringLength) ) {
if( *InputString == L'%' ) {
//
// Possibly a control sequence.
//
if( *(InputString+1) == L'0' ) {
*OutputString = L'\0';
OutputString++;
goto SacFormatMessage_Done;
} else if( *(InputString+1) == L'%' ) {
*OutputString = L'%';
OutputString++;
InputString += 2;
} else if( *(InputString+1) == L'\\' ) {
*OutputString = L'\r';
OutputString++;
*OutputString = L'\n';
OutputString++;
InputString += 2;
} else if( *(InputString+1) == L'r' ) {
*OutputString = L'\r';
InputString += 2;
OutputString++;
} else if( *(InputString+1) == L'b' ) {
*OutputString = L' ';
InputString += 2;
OutputString++;
} else if( *(InputString+1) == L'.' ) {
*OutputString = L'.';
InputString += 2;
OutputString++;
} else if( *(InputString+1) == L'!' ) {
*OutputString = L'!';
InputString += 2;
OutputString++;
} else {
//
// Don't know what this is. eat the '%' character.
//
InputString += 1;
}
} else {
*OutputString++ = *InputString++;
}
InputStringLength--;
}
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC SacFormatMessage: Exiting.\n")));
SacFormatMessage_Done:
return;
}
NTSTATUS
PreloadGlobalMessageTable(
PVOID ImageBase
)
/*++
Routine Description:
This routine loads all of our message table entries into a global
structure and
Arguments:
ImageBase - pointer to image base for locating resources
Return Value:
NTSTATUS code indicating outcome.
--*/
{
ULONG Count,EntryCount;
SIZE_T TotalSizeInBytes = 0;
NTSTATUS Status;
PMESSAGE_RESOURCE_ENTRY messageEntry;
PWSTR pStringBuffer;
PAGED_CODE( );
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC PreloadGlobalMessageTable: Entering.\n")));
//
// if it already exists, then just return success
//
if (GlobalMessageTable != NULL) {
Status = STATUS_SUCCESS;
goto exit;
}
ASSERT( MESSAGE_FINAL > MESSAGE_INITIAL );
//
// get the total required size for the table.
//
for (Count = MESSAGE_INITIAL; Count != MESSAGE_FINAL ; Count++) {
Status = RtlFindMessage(ImageBase,
11, // RT_MESSAGETABLE
LANG_NEUTRAL,
Count,
&messageEntry
);
if (NT_SUCCESS(Status)) {
//
// add it on to our total size.
//
// the messageEntry size contains the structure size + the size of the text.
//
ASSERT(messageEntry->Flags & MESSAGE_RESOURCE_UNICODE);
TotalSizeInBytes += sizeof(MESSAGE_TABLE_ENTRY) +
(messageEntry->Length - FIELD_OFFSET(MESSAGE_RESOURCE_ENTRY, Text));
GlobalMessageTableCount +=1;
}
}
if (TotalSizeInBytes == 0) {
IF_SAC_DEBUG(
SAC_DEBUG_FAILS,
KdPrint(("SAC PreloadGlobalMessageTable: No Messages.\n")));
Status = STATUS_INVALID_PARAMETER;
goto exit;
}
//
// Allocate space for the table.
//
GlobalMessageTable = (PMESSAGE_TABLE_ENTRY) ALLOCATE_POOL( TotalSizeInBytes, GENERAL_POOL_TAG);
if (!GlobalMessageTable) {
Status = STATUS_NO_MEMORY;
goto exit;
}
//
// go through again, this time filling out the table with actual data
//
pStringBuffer = (PWSTR)((ULONG_PTR)GlobalMessageTable +
(ULONG_PTR)(sizeof(MESSAGE_TABLE_ENTRY)*GlobalMessageTableCount));
EntryCount = 0;
for (Count = MESSAGE_INITIAL ; Count != MESSAGE_FINAL ; Count++) {
Status = RtlFindMessage(ImageBase,
11, // RT_MESSAGETABLE
LANG_NEUTRAL,
Count,
&messageEntry
);
if (NT_SUCCESS(Status)) {
ULONG TextSize = messageEntry->Length - FIELD_OFFSET(MESSAGE_RESOURCE_ENTRY, Text);
GlobalMessageTable[EntryCount].MessageId = Count;
GlobalMessageTable[EntryCount].MessageText = pStringBuffer;
//
// Send the message through our Formatting filter as it passes
// into our global message structure.
//
SacFormatMessage( pStringBuffer, (PWSTR)messageEntry->Text, TextSize );
ASSERT( (wcslen(pStringBuffer)*sizeof(WCHAR)) <= TextSize );
pStringBuffer = (PWSTR)((ULONG_PTR)pStringBuffer + (ULONG_PTR)(TextSize));
EntryCount += 1;
}
}
Status = STATUS_SUCCESS;
exit:
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC PreloadGlobalMessageTable: Exiting with status 0x%0x.\n",
Status)));
return(Status);
}
NTSTATUS
TearDownGlobalMessageTable(
VOID
)
{
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC PreloadGlobalMessageTable: Entering.\n")));
if (GlobalMessageTable) {
FREE_POOL( &GlobalMessageTable );
}
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC TearDownGlobalMessageTable: Exiting\n")));
return(STATUS_SUCCESS);
}
PCWSTR
GetMessage(
ULONG MessageId
)
{
PMESSAGE_TABLE_ENTRY pMessageTable;
ULONG Count;
if (!GlobalMessageTable) {
return(NULL);
}
for (Count = 0; Count < GlobalMessageTableCount; Count++) {
pMessageTable = &GlobalMessageTable[Count];
if (pMessageTable->MessageId == MessageId) {
return(pMessageTable->MessageText);
}
}
ASSERT( FALSE );
return(NULL);
}
BOOLEAN
SacTranslateUnicodeToUtf8(
PCWSTR SourceBuffer,
UCHAR *DestinationBuffer
)
{
ULONG Count = 0;
//
// convert into UTF8 for actual transmission
//
// UTF-8 encodes 2-byte Unicode characters as follows:
// If the first nine bits are zero (00000000 0xxxxxxx), encode it as one byte 0xxxxxxx
// If the first five bits are zero (00000yyy yyxxxxxx), encode it as two bytes 110yyyyy 10xxxxxx
// Otherwise (zzzzyyyy yyxxxxxx), encode it as three bytes 1110zzzz 10yyyyyy 10xxxxxx
//
DestinationBuffer[Count] = (UCHAR)'\0';
while (*SourceBuffer) {
if( (*SourceBuffer & 0xFF80) == 0 ) {
//
// if the top 9 bits are zero, then just
// encode as 1 byte. (ASCII passes through unchanged).
//
DestinationBuffer[Count++] = (UCHAR)(*SourceBuffer & 0x7F);
} else if( (*SourceBuffer & 0xF700) == 0 ) {
//
// if the top 5 bits are zero, then encode as 2 bytes
//
DestinationBuffer[Count++] = (UCHAR)((*SourceBuffer >> 6) & 0x1F) | 0xC0;
DestinationBuffer[Count++] = (UCHAR)(*SourceBuffer & 0xBF) | 0x80;
} else {
//
// encode as 3 bytes
//
DestinationBuffer[Count++] = (UCHAR)((*SourceBuffer >> 12) & 0xF) | 0xE0;
DestinationBuffer[Count++] = (UCHAR)((*SourceBuffer >> 6) & 0x3F) | 0x80;
DestinationBuffer[Count++] = (UCHAR)(*SourceBuffer & 0xBF) | 0x80;
}
SourceBuffer += 1;
}
DestinationBuffer[Count] = (UCHAR)'\0';
return(TRUE);
}
BOOLEAN
SacPutUnicodeString(
PCWSTR String
)
{
if (!Utf8ConversionBuffer) {
return(FALSE);
}
ASSERT( (wcslen(String)+1)*sizeof(WCHAR) < Utf8ConversionBufferSize );
SacTranslateUnicodeToUtf8(String,Utf8ConversionBuffer);
SacPutString(Utf8ConversionBuffer);
return(TRUE);
}
BOOLEAN
SacPutSimpleMessage(
ULONG MessageId
)
{
PCWSTR p;
p = GetMessage(MessageId);
if (p) {
SacPutUnicodeString(p);
return(TRUE);
}
return(FALSE);
}
VOID
SacPutString(
PUCHAR String
)
/*++
Routine Description:
This routine takes a string and packages it into a command structure for the
HeadlessDispatch routine.
Arguments:
String - The string to display.
Return Value:
None.
--*/
{
SIZE_T Length;
ASSERT(FIELD_OFFSET(HEADLESS_CMD_PUT_STRING, String) == 0); // ASSERT if anyone changes this structure.
Length = strlen((LPSTR)String) + sizeof('\0');
HeadlessDispatch(HeadlessCmdPutString,
(PHEADLESS_CMD_PUT_STRING)String,
Length,
NULL,
NULL
);
}
VOID
AppendMessage(
PWSTR OutPutBuffer,
ULONG MessageId,
PWSTR ValueBuffer OPTIONAL
)
/*++
Routine Description:
This function will insert the valuestring into the specified message, then
concatenate the resulting string onto the OutPutBuffer.
Arguments:
OutPutBuffer The resulting String.
MessageId ID of the formatting message to use.
ValueBUffer Value string to be inserted into the message.
Return Value:
NONE
--*/
{
PWSTR MyTemporaryBuffer = NULL;
PCWSTR p;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC AppendMessage: Entering.\n")));
p = GetMessage(MessageId);
if( p == NULL ) {
return;
}
if( ValueBuffer == NULL ) {
wcscat( OutPutBuffer, p );
} else {
MyTemporaryBuffer = (PWSTR)(wcschr(OutPutBuffer, L'\0'));
if( MyTemporaryBuffer == NULL ) {
MyTemporaryBuffer = OutPutBuffer;
}
swprintf( MyTemporaryBuffer, p, ValueBuffer );
}
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC AppendMessage: Entering.\n")));
return;
}
NTSTATUS
InsertRegistrySzIntoMachineInfoBuffer(
PWSTR KeyName,
PWSTR ValueName,
ULONG MessageId
)
/*++
Routine Description:
This function will go query the registry and pull the specified Value.
We will then insert this value into the specified message, then concatenate
the resulting string into our MachineInformationBuffer.
Arguments:
KeyName Name of the registry key we'll be querying.
ValueName Name of the registry value we'll be querying.
MessageId ID of the formatting message to use.
Return Value:
NTSTATUS.
--*/
{
NTSTATUS Status = STATUS_SUCCESS;
ULONG KeyValueLength = 0;
PKEY_VALUE_PARTIAL_INFORMATION ValueBuffer = NULL;
OBJECT_ATTRIBUTES Obja;
UNICODE_STRING UnicodeString;
HANDLE KeyHandle;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC InsertRegistrySzIntoMachineInfoBuffer: Entering.\n")));
INIT_OBJA( &Obja, &UnicodeString, KeyName );
Status = ZwOpenKey( &KeyHandle,
KEY_READ | KEY_WRITE,
&Obja );
if( !NT_SUCCESS(Status) ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InsertRegistrySzIntoMachineInfoBuffer: Exiting (1).\n")));
return Status;
}
RtlInitUnicodeString( &UnicodeString, ValueName );
KeyValueLength = 0;
Status = ZwQueryValueKey( KeyHandle,
&UnicodeString,
KeyValuePartialInformation,
(PVOID)NULL,
0,
&KeyValueLength );
if( KeyValueLength == 0 ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InsertRegistrySzIntoMachineInfoBuffer: Exiting (2).\n")));
return Status;
}
KeyValueLength += 4;
ValueBuffer = (PKEY_VALUE_PARTIAL_INFORMATION)ALLOCATE_POOL( KeyValueLength, GENERAL_POOL_TAG );
if( ValueBuffer == NULL ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InsertRegistrySzIntoMachineInfoBuffer: Exiting (3).\n")));
return Status;
}
Status = ZwQueryValueKey( KeyHandle,
&UnicodeString,
KeyValuePartialInformation,
ValueBuffer,
KeyValueLength,
&KeyValueLength );
if( !NT_SUCCESS(Status) ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InsertRegistrySzIntoMachineInfoBuffer: Exiting (4).\n")));
FREE_POOL( &ValueBuffer );
return Status;
}
AppendMessage( MachineInformationBuffer,
MessageId,
(PWSTR)ValueBuffer->Data );
FREE_POOL( &ValueBuffer );
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC InsertRegistrySzIntoMachineInfoBuffer: Exiting.\n")));
return Status;
}
VOID
InitializeMachineInformation(
VOID
)
/*++
Routine Description:
This function initializes the global variable MachineInformationBuffer.
We'll gather a whole bunch of information about the machine and fill
in the buffer.
Arguments:
None.
Return Value:
None.
--*/
{
#define MACHINEINFORMATIONBUFFER_SIZE (512 * sizeof(WCHAR))
PWSTR COMPUTERNAME_KEY_NAME = L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\ComputerName\\ComputerName";
PWSTR COMPUTERNAME_VALUE_NAME = L"ComputerName";
PWSTR PROCESSOR_ARCHITECTURE_KEY_NAME = L"\\Registry\\Machine\\System\\CurrentControlSet\\Control\\Session Manager\\Environment";
PWSTR PROCESSOR_ARCHITECTURE_VALUE_NAME = L"PROCESSOR_ARCHITECTURE";
PSTR XML_TAG = "MACHINEINFO";
PSTR XML_HEADER0 = "\r\n<PROPERTY.ARRAY NAME=\"MACHINEINFO\" TYPE=\"string\">\r\n";
PSTR XML_HEADER1 = "<VALUE.ARRAY>\r\n";
PSTR XML_HEADER2 = "<VALUE>\"%ws\"</VALUE>\r\n";
PSTR XML_FOOTER0 = "</VALUE.ARRAY>\r\n</PROPERTY.ARRAY>";
NTSTATUS Status = STATUS_SUCCESS;
SIZE_T i;
RTL_OSVERSIONINFOEXW VersionInfo;
PWSTR MyTemporaryBufferW = NULL;
PHEADLESS_CMD_SET_BLUE_SCREEN_DATA BSBuffer;
PUCHAR pch;
ULONG len;
GUID MyGUID;
PCWSTR pwStr = NULL;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC Initialize Machine Information: Entering.\n")));
if( MachineInformationBuffer != NULL ) {
//
// someone called us again!
//
IF_SAC_DEBUG( SAC_DEBUG_FUNC_TRACE_LOUD,
KdPrint(("SAC Initialize Machine Information:: MachineInformationBuffer already initialzied.\n")));
return;
} else {
MachineInformationBuffer = (PWCHAR)ALLOCATE_POOL( MACHINEINFORMATIONBUFFER_SIZE, GENERAL_POOL_TAG );
if( MachineInformationBuffer == NULL ) {
goto InitializeMachineInformation_Failure;
}
}
RtlZeroMemory( MachineInformationBuffer, MACHINEINFORMATIONBUFFER_SIZE );
//
// We're real early in the boot process, so we're going to take for granted that the machine hasn't
// bugchecked. This means that we can safely call some kernel functions to go figure out what
// platform we're running on.
//
RtlZeroMemory( &VersionInfo, sizeof(VersionInfo));
Status = RtlGetVersion( (POSVERSIONINFOW)&VersionInfo );
if( !NT_SUCCESS(Status) ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InitializeMachineInformation: Exiting (2).\n")));
goto InitializeMachineInformation_Failure;
}
//
// ========
// Machine name.
// ========
//
Status = InsertRegistrySzIntoMachineInfoBuffer( COMPUTERNAME_KEY_NAME,
COMPUTERNAME_VALUE_NAME,
SAC_MACHINEINFO_COMPUTERNAME );
if( !NT_SUCCESS(Status) ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InitializeMachineInformation: Exiting (20).\n")));
goto InitializeMachineInformation_Failure;
}
//
// ========
// Machine GUID.
// ========
//
// make sure.
RtlZeroMemory( &MyGUID, sizeof(GUID) );
i = sizeof(GUID);
Status = HeadlessDispatch( HeadlessCmdQueryGUID,
NULL,
0,
&MyGUID,
&i );
if( !NT_SUCCESS(Status) ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InitializeMachineInformation: Exiting (30).\n")));
goto InitializeMachineInformation_Failure;
}
//
// Allocate enough memory for the formatting message, plus the size of a
// GUID-turned-text, which is 2x the number of bytes required to hold the binary,
// plus 8 bytes of slop.
//
pwStr = GetMessage(SAC_MACHINEINFO_GUID);
if( pwStr ) {
MyTemporaryBufferW = (PWSTR)ALLOCATE_POOL( (sizeof(GUID)*2) + (wcslen(pwStr) + 8) * sizeof(WCHAR) , GENERAL_POOL_TAG );
if( MyTemporaryBufferW == NULL ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InitializeMachineInformation: Exiting (31).\n")));
goto InitializeMachineInformation_Failure;
}
swprintf( MyTemporaryBufferW,
GetMessage(SAC_MACHINEINFO_GUID),
MyGUID.Data1,
MyGUID.Data2,
MyGUID.Data3,
MyGUID.Data4[0],
MyGUID.Data4[1],
MyGUID.Data4[2],
MyGUID.Data4[3],
MyGUID.Data4[4],
MyGUID.Data4[5],
MyGUID.Data4[6],
MyGUID.Data4[7] );
wcscat( MachineInformationBuffer, MyTemporaryBufferW );
FREE_POOL( &MyTemporaryBufferW );
}
//
// ========
// Processor Architecture.
// ========
//
Status = InsertRegistrySzIntoMachineInfoBuffer( PROCESSOR_ARCHITECTURE_KEY_NAME,
PROCESSOR_ARCHITECTURE_VALUE_NAME,
SAC_MACHINEINFO_PROCESSOR_ARCHITECTURE );
if( !NT_SUCCESS(Status) ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InitializeMachineInformation: Exiting (40).\n")));
goto InitializeMachineInformation_Failure;
}
//
// ========
// OS Name.
// ========
//
//
// Allocate enough memory for the formatting message, plus the size of 2 digits.
// Currently, our versioning info is of the type "5.1", so we don't need much space
// here, but let's be conservative and assume both major and minor version numbers
// are 4 digits in size. That's 9 characters.
//
MyTemporaryBufferW = (PWSTR)ALLOCATE_POOL( (wcslen(GetMessage(SAC_MACHINEINFO_OS_VERSION)) + 9) * sizeof(WCHAR), GENERAL_POOL_TAG );
if( MyTemporaryBufferW == NULL ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InitializeMachineInformation: Exiting (50).\n")));
goto InitializeMachineInformation_Failure;
}
swprintf( MyTemporaryBufferW,
GetMessage(SAC_MACHINEINFO_OS_VERSION),
VersionInfo.dwMajorVersion,
VersionInfo.dwMinorVersion );
wcscat( MachineInformationBuffer, MyTemporaryBufferW );
FREE_POOL( &MyTemporaryBufferW );
//
// ========
// Build Number.
// ========
//
//
// Allocate enough memory for the formatting message, plus the size of our build number.
// Currently that's well below the 5-digit mark, but let's build some headroom here for
// build numbers up to 99000 (5-digits).
//
MyTemporaryBufferW = (PWSTR)ALLOCATE_POOL( (wcslen(GetMessage(SAC_MACHINEINFO_OS_BUILD)) + 5) * sizeof(WCHAR), GENERAL_POOL_TAG );
if( MyTemporaryBufferW == NULL ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InitializeMachineInformation: Exiting (60).\n")));
goto InitializeMachineInformation_Failure;
}
swprintf( MyTemporaryBufferW,
GetMessage(SAC_MACHINEINFO_OS_BUILD),
VersionInfo.dwBuildNumber );
wcscat( MachineInformationBuffer, MyTemporaryBufferW );
FREE_POOL( &MyTemporaryBufferW );
//
// ========
// Product Type (and Suite).
// ========
//
if( ExVerifySuite(DataCenter) ) {
AppendMessage( MachineInformationBuffer,
SAC_MACHINEINFO_OS_PRODUCTTYPE,
(PWSTR)GetMessage(SAC_MACHINEINFO_DATACENTER) );
} else if( ExVerifySuite(EmbeddedNT) ) {
AppendMessage( MachineInformationBuffer,
SAC_MACHINEINFO_OS_PRODUCTTYPE,
(PWSTR)GetMessage(SAC_MACHINEINFO_EMBEDDED) );
} else if( ExVerifySuite(Enterprise) ) {
AppendMessage( MachineInformationBuffer,
SAC_MACHINEINFO_OS_PRODUCTTYPE,
(PWSTR)GetMessage(SAC_MACHINEINFO_ADVSERVER) );
} else {
//
// We found no product suite that we recognized or cared about.
// Assume we're running on a generic server.
//
AppendMessage( MachineInformationBuffer,
SAC_MACHINEINFO_OS_PRODUCTTYPE,
(PWSTR)GetMessage(SAC_MACHINEINFO_SERVER) );
}
//
// ========
// Service Pack Information.
// ========
//
if( VersionInfo.wServicePackMajor != 0 ) {
//
// There's been a service pack applied. Better tell the user.
//
//
// Allocate enough memory for the formatting message, plus the size of our servicepack number.
// Currently that's well below the 5-digit mark, but let's build some headroom here for
// service pack numbers up to 99000 (5-digits).
//
MyTemporaryBufferW = (PWSTR)ALLOCATE_POOL( (wcslen(GetMessage(SAC_MACHINEINFO_SERVICE_PACK)) + 5) * sizeof(WCHAR), GENERAL_POOL_TAG );
if( MyTemporaryBufferW == NULL ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC InitializeMachineInformation: Exiting (80).\n")));
goto InitializeMachineInformation_Failure;
}
swprintf( MyTemporaryBufferW,
GetMessage(SAC_MACHINEINFO_SERVICE_PACK),
VersionInfo.wServicePackMajor,
VersionInfo.wServicePackMinor );
wcscat( MachineInformationBuffer, MyTemporaryBufferW );
FREE_POOL( &MyTemporaryBufferW );
} else {
AppendMessage( MachineInformationBuffer, SAC_MACHINEINFO_NO_SERVICE_PACK, NULL );
}
//
// ========
// Insert it all into the BLUESCREEN data.
// ========
//
//
// How big is this going to be?
//
i = wcslen(MachineInformationBuffer);
i += strlen(XML_TAG);
i += strlen(XML_HEADER0);
i += strlen(XML_HEADER1);
i += strlen(XML_HEADER2);
i += strlen(XML_FOOTER0);
i += 8;
BSBuffer = (PHEADLESS_CMD_SET_BLUE_SCREEN_DATA)ALLOCATE_POOL( i,
GENERAL_POOL_TAG );
if( BSBuffer == NULL ) {
goto InitializeMachineInformation_Failure;
}
pch = &(BSBuffer->Data[0]);
len = sprintf( (LPSTR)pch, XML_TAG );
BSBuffer->ValueIndex = len+1;
pch = pch+len+1;
len = sprintf( (LPSTR)pch, "%s%s", XML_HEADER0, XML_HEADER1 );
pch = pch + len;
len = sprintf( (LPSTR)pch, XML_HEADER2, MachineInformationBuffer );
strcat( (LPSTR)pch, XML_FOOTER0 );
HeadlessDispatch( HeadlessCmdSetBlueScreenData,
BSBuffer,
wcslen(MachineInformationBuffer)+256,
NULL,
0 );
FREE_POOL( &BSBuffer );
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC Initialize Machine Information: Exiting.\n")));
return;
InitializeMachineInformation_Failure:
if( MachineInformationBuffer != NULL ) {
FREE_POOL(&MachineInformationBuffer);
MachineInformationBuffer = NULL;
}
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC Initialize Machine Information: Exiting with error.\n")));
return;
}