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Windows2003-3790/drivers/sac/driver/concmd.c
Microsoft 50969b0ea2 First commit
2020-09-30 16:53:55 +02:00

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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
cmd.c
Abstract:
This module contains the routines for handling each command.
Author:
Sean Selitrennikoff (v-seans) - Dec 2, 1999
Brian Guarraci (briangu)
Revision History:
--*/
#include "sac.h"
#include <ntddip.h>
#include <ntddtcp.h>
#include <tdiinfo.h>
#include <ipinfo.h>
#include <stdlib.h>
#include "iomgr.h"
#define SAC_PUT_ERROR_STRING(_Status)\
swprintf((PWSTR)GlobalBuffer, GetMessage( SAC_FAILURE_WITH_ERROR ) , _Status); \
SacPutString((PWSTR)GlobalBuffer);
//
// Forward declarations.
//
NTSTATUS
GetTListInfo(
OUT PSAC_RSP_TLIST ResponseBuffer,
IN LONG ResponseBufferSize,
OUT PULONG ResponseDataSize
);
VOID
PrintTListInfo(
IN PSAC_RSP_TLIST Buffer
);
VOID
PutMore(
OUT PBOOLEAN Stop
);
VOID
DoGetNetInfo(
IN BOOLEAN PrintToTerminal
);
VOID
NetAPCRoutine(IN PVOID ApcContext,
IN PIO_STATUS_BLOCK IoStatusBlock,
IN ULONG Reserved
);
NTSTATUS
CallQueryIPIOCTL(
HANDLE IpDeviceHandle,
PKEVENT Event,
HANDLE EventHandle,
IO_STATUS_BLOCK *IoStatusBlock,
PVOID InputBuffer,
ULONG InputBufferSize,
PVOID OutputBuffer,
ULONG OutputBufferSize,
BOOLEAN PrintToTerminal,
BOOLEAN *putPrompt
);
//
// The purpose of this macro is to provide implicit "more-ing"
// when printing arbitrarily localized text.
//
#define SAC_PRINT_WITH_MORE(_m)\
{ \
ULONG c; \
BOOLEAN Stop; \
c = GetMessageLineCount(_m); \
if ((c + LineNumber) > SAC_VTUTF8_ROW_HEIGHT) { \
PutMore(&Stop); \
if (Stop) { \
break; \
} \
LineNumber = 0; \
} \
SacPutSimpleMessage( _m ); \
LineNumber += c; \
}
VOID
DoHelpCommand(
VOID
)
/*++
Routine Description:
This routine displays the help text on the terminal.
Arguments:
None.
Return Value:
None.
--*/
{
ULONG LineNumber;
LineNumber = 0;
do {
SAC_PRINT_WITH_MORE(SAC_HELP_CH_CMD);
SAC_PRINT_WITH_MORE( SAC_HELP_CMD_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_D_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_F_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_HELP_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_I1_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_I2_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_IDENTIFICATION_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_K_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_L_CMD );
#if ENABLE_CHANNEL_LOCKING
SAC_PRINT_WITH_MORE( SAC_HELP_LOCK_CMD );
#endif
SAC_PRINT_WITH_MORE( SAC_HELP_M_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_P_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_R_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_S1_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_S2_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_T_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_RESTART_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_SHUTDOWN_CMD );
SAC_PRINT_WITH_MORE( SAC_HELP_CRASHDUMP1_CMD );
} while ( FALSE );
}
VOID
DoFullInfoCommand(
VOID
)
/*++
Routine Description:
This routine toggles on and off full thread information on tlist.
Arguments:
None.
Return Value:
None.
--*/
{
GlobalDoThreads = (BOOLEAN)!GlobalDoThreads;
if (GlobalDoThreads) {
SacPutSimpleMessage(SAC_THREAD_ON);
} else {
SacPutSimpleMessage(SAC_THREAD_OFF);
}
}
VOID
DoPagingCommand(
VOID
)
/*++
Routine Description:
This routine toggles on and off paging information on tlist.
Arguments:
None.
Return Value:
None.
--*/
{
GlobalPagingNeeded = (BOOLEAN)!GlobalPagingNeeded;
if (GlobalPagingNeeded) {
SacPutSimpleMessage(SAC_PAGING_ON);
} else {
SacPutSimpleMessage(SAC_PAGING_OFF);
}
}
VOID
DoSetTimeCommand(
PUCHAR InputLine
)
/*++
Routine Description:
This routine sets the current system time.
Arguments:
InputLine - The users input line to parse.
Return Value:
None.
--*/
{
NTSTATUS Status;
PUCHAR pch = InputLine;
PUCHAR pchTmp;
TIME_FIELDS TimeFields;
LARGE_INTEGER Time;
SYSTEM_TIMEOFDAY_INFORMATION TimeOfDay;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Entering.\n")));
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (1).\n")));
return;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
RtlZeroMemory(&TimeFields, sizeof(TIME_FIELDS));
//
// Skip the command.
//
pch += (sizeof(TIME_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (*pch == '\0') {
//
// This is a display time request.
//
Status = ZwQuerySystemInformation(SystemTimeOfDayInformation,
&TimeOfDay,
sizeof(TimeOfDay),
NULL
);
if (!NT_SUCCESS(Status)) {
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (2).\n")));
return;
}
RtlTimeToTimeFields(&(TimeOfDay.CurrentTime), &TimeFields);
swprintf((PWSTR)GlobalBuffer, GetMessage( SAC_DATETIME_FORMAT ),
TimeFields.Month,
TimeFields.Day,
TimeFields.Year,
TimeFields.Hour,
TimeFields.Minute,
TimeFields.Second,
TimeFields.Milliseconds
);
SacPutString((PWSTR)GlobalBuffer);
return;
}
pchTmp = pch;
if (!IS_NUMBER(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (3).\n")));
return;
}
//
// Skip all the numbers.
//
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
//
// If there is something other than the divider, it is a mal-formed line.
//
if (*pchTmp != '/') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (4).\n")));
return;
}
*pchTmp = '\0';
pchTmp++;
TimeFields.Month = (USHORT)(atoi((LPCSTR)pch));
pch = pchTmp;
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (4b).\n")));
return;
}
//
// Skip all the numbers.
//
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
//
// If there is something other than the divider, it is a mal-formed line.
//
if (*pchTmp != '/') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (5).\n")));
return;
}
*pchTmp = '\0';
pchTmp++;
TimeFields.Day = (USHORT)(atoi((LPCSTR)pch));
pch = pchTmp;
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (5b).\n")));
return;
}
//
// Skip all the numbers.
//
SKIP_NUMBERS(pchTmp);
//
// If there is something other than whitespace, it is a mal-formed line.
//
if (!IS_WHITESPACE(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (6).\n")));
return;
}
*pchTmp = '\0';
pchTmp++;
TimeFields.Year = (USHORT)(atoi((LPCSTR)pch));
if ((TimeFields.Year < 1980) || (TimeFields.Year > 2099)) {
SacPutSimpleMessage(SAC_DATETIME_LIMITS);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (6b).\n")));
return;
}
pch = pchTmp;
//
// Skip to the hours
//
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (7).\n")));
return;
}
pch = pchTmp;
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != ':') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (8).\n")));
return;
}
*pchTmp = '\0';
pchTmp++;
TimeFields.Hour = (USHORT)(atoi((LPCSTR)pch));
pch = pchTmp;
//
// Verify nothing else on the line but numbers
//
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (8a).\n")));
return;
}
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (8b).\n")));
return;
}
//
// Get the minutes.
//
TimeFields.Minute = (USHORT)(atoi((LPCSTR)pch));
if (!RtlTimeFieldsToTime(&TimeFields, &Time)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (9).\n")));
return;
}
Status = ZwSetSystemTime(&Time, NULL);
if (!NT_SUCCESS(Status)) {
sprintf((LPSTR)GlobalBuffer, "Failed with status 0x%X.\r\n", Status);
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetTimeCommand: Exiting (10).\n")));
return;
}
swprintf((PWSTR)GlobalBuffer, GetMessage( SAC_DATETIME_FORMAT2 ),
TimeFields.Month,
TimeFields.Day,
TimeFields.Year,
TimeFields.Hour,
TimeFields.Minute
);
SacPutString((PWSTR)GlobalBuffer);
return;
}
BOOLEAN
RetrieveIpAddressFromString(
IN PUCHAR InputString,
OUT PULONG IPAddress
)
/*++
Routine Description:
This routine parses through a string and digs
out the 32-bit IP address.
Arguments:
InputString - The users input line to parse.
IPAddress - Holds the 32-bit IP address when we're done.
Return Value:
TRUE - We successfully retrieved an IP address.
FALSE - We failed. Input was probably bad.
--*/
{
ULONG TmpValue = 0;
UCHAR TmpChar;
PUCHAR pchTmp, pch;
//
// Init
//
if( (InputString == NULL) ||
(IPAddress == NULL) ) {
return FALSE;
}
*IPAddress = 0;
//
// Skip ahead to the divider and make it a \0.
//
pchTmp = InputString;
pch = InputString;
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (1).\n")));
return FALSE;
}
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != '.') {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (1a).\n")));
return FALSE;
}
TmpChar = *pchTmp;
*pchTmp = '\0';
//
// Now get the digits this side of the divider.
//
TmpValue = atoi((LPCSTR)pch);
*pchTmp = TmpChar;
pchTmp++;
if( TmpValue > 255 ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (1b).\n")));
return FALSE;
}
*IPAddress = TmpValue;
//
// Get 2nd part
//
pch = pchTmp;
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (1c).\n")));
return FALSE;
}
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != '.') {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (1d).\n")));
return FALSE;
}
TmpChar = *pchTmp;
*pchTmp = '\0';
TmpValue = atoi((LPCSTR)pch);
*pchTmp = TmpChar;
pchTmp++;
if( TmpValue > 255 ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (1e).\n")));
return FALSE;
}
*IPAddress |= (TmpValue << 8);
//
// Get 3rd part
//
pch = pchTmp;
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (2a).\n")));
return FALSE;
}
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != '.') {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (2b).\n")));
return FALSE;
}
TmpChar = *pchTmp;
*pchTmp = '\0';
TmpValue = atoi((LPCSTR)pch);
*pchTmp = TmpChar;
pchTmp++;
if( TmpValue > 255 ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (2c).\n")));
return FALSE;
}
*IPAddress |= (TmpValue << 16);
//
// Get 4th part
//
pch = pchTmp;
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (2d).\n")));
return FALSE;
}
SKIP_NUMBERS(pchTmp);
TmpChar = *pchTmp;
*pchTmp = '\0';
TmpValue = atoi((LPCSTR)pch);
*pchTmp = TmpChar;
pchTmp++;
if( TmpValue > 255 ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC RetrieveIpAddressFromString: Exiting (2f).\n")));
return FALSE;
}
*IPAddress |= (TmpValue << 24);
return TRUE;
}
VOID
DoSetIpAddressCommand(
PUCHAR InputLine
)
/*++
Routine Description:
This routine sets the IP address and subnet mask.
Arguments:
InputLine - The users input line to parse.
Return Value:
None.
--*/
{
NTSTATUS Status = STATUS_SUCCESS;
PUCHAR pch = InputLine;
PUCHAR pchTmp;
HANDLE Handle = 0;
HANDLE EventHandle = 0;
ULONG IpAddress;
ULONG SubnetMask;
ULONG GatewayAddress;
ULONG NetworkNumber;
LARGE_INTEGER TimeOut;
IO_STATUS_BLOCK IoStatusBlock;
UNICODE_STRING UnicodeString;
OBJECT_ATTRIBUTES ObjectAttributes;
PIP_SET_ADDRESS_REQUEST IpRequest;
IPRouteEntry *RouteEntry = NULL;
ULONG i, j;
PTCP_REQUEST_QUERY_INFORMATION_EX TcpRequestQueryInformationEx = NULL;
PTCP_REQUEST_SET_INFORMATION_EX TcpRequestSetInformationEx = NULL;
IPAddrEntry *AddressArray = NULL;
IPSNMPInfo *IpsiInfo = NULL;
BOOLEAN putPrompt = FALSE;
ULONG InterfaceIndex;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Entering.\n")));
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (1).\n")));
return;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
//
// Skip the command.
//
pch += (sizeof(SETIP_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (*pch == '\0') {
//
// No other parameters, get the network numbers and their IP addresses.
//
DoGetNetInfo( TRUE );
return;
}
//
// Retrieve the network interface number they want to operate on.
//
pchTmp = pch;
if (!IS_NUMBER(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (1b).\n")));
return;
}
SKIP_NUMBERS(pchTmp);
if (!IS_WHITESPACE(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_NETWORK_INTERFACE_NUMBER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (1c).\n")));
return;
}
*pchTmp = '\0';
pchTmp++;
NetworkNumber = atoi((LPCSTR)pch);
pch = pchTmp;
//
// Get the IP address.
//
if( !RetrieveIpAddressFromString( pchTmp, &IpAddress) ) {
SacPutSimpleMessage(SAC_INVALID_IPADDRESS);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (2).\n")));
return;
}
//
// Jump over the IP address we just got and get
// to the next bit of white space. Then get the
// subnet mask.
//
while( (*pchTmp != ' ') &&
(*pchTmp != '\0') ) {
pchTmp++;
}
SKIP_WHITESPACE(pchTmp);
if( !RetrieveIpAddressFromString( pchTmp, &SubnetMask) ) {
SacPutSimpleMessage(SAC_INVALID_SUBNETMASK);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (3).\n")));
return;
}
//
// We should validate the subnet mask is valid. By that
// we should check to make sure that there are no bits
// set to the right of the first 0 bit we find. In other
// words, all 1's in the address should be in the most
// significant bits and all the 0 bits should be in the
// least signficant bits.
//
// The bytes are in LE order. For example, an address
// of 255.255.248.0 turns into 00f8ffff. Therefore, we
// need to check each byte seperately.
//
putPrompt = FALSE;
for (i = 0; i < 4; i++) {
ULONG ByteValue;
// isolate the next byte into the low-order 8 bits of ByteValue
ByteValue = ((SubnetMask >> 8*i) & 0xFF);
for (j = 0; j < 8; j++) {
if( (ByteValue << j) & 0x80 ) {
if( putPrompt == TRUE ) {
// this bit is set and we've already come across a 0.
SacPutSimpleMessage(SAC_INVALID_SUBNETMASK);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (3a).\n")));
return;
}
} else {
putPrompt = TRUE;
}
}
}
putPrompt = FALSE;
//
// Jump over the IP address we just got and get
// to the next bit of white space. Then get the
// gateway.
//
while( (*pchTmp != ' ') &&
(*pchTmp != '\0') ) {
pchTmp++;
}
SKIP_WHITESPACE(pchTmp);
if( !RetrieveIpAddressFromString( pchTmp, &GatewayAddress) ) {
SacPutSimpleMessage(SAC_INVALID_GATEWAY_IPADDRESS);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (4).\n")));
return;
}
//
// In order to set the gateway, we need to get the iae_index value
// from the data structure that holds the IP address and subnet mask.
// The iae_index in turn will give us an index into the data structure
// which contains the gateways.
//
// To do this, we need to get the list if IP addresses/subnet masks
// and go through them, looking for the one with the interface
// number the user has specified on the command line. Once we
// have the right structure, we need to remember the iae_index
// from that structure so we know which gateway value to set later.
//
//
// Opening the TCP driver
//
RtlInitUnicodeString(&UnicodeString, DD_TCP_DEVICE_NAME);
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = ZwOpenFile(&Handle,
(ACCESS_MASK)FILE_GENERIC_READ,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0
);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_IPADDRESS_SET_FAILURE);
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC DoSetIpAddressCommand: failed to open TCP device, ec = 0x%X\n",
Status)));
goto DoSetIpAddressCommand_Exit;
}
//
// Build a command to ask for the number of interfaces, then call the ioctl
//
TcpRequestQueryInformationEx = ALLOCATE_POOL(
sizeof(TCP_REQUEST_QUERY_INFORMATION_EX),
GENERAL_POOL_TAG );
if (TcpRequestQueryInformationEx == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (5).\n")));
Status = STATUS_NO_MEMORY;
goto DoSetIpAddressCommand_Exit;
}
IpsiInfo = ALLOCATE_POOL( sizeof(IPSNMPInfo),
GENERAL_POOL_TAG );
if (IpsiInfo == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (6).\n")));
Status = STATUS_NO_MEMORY;
goto DoSetIpAddressCommand_Exit;
}
RtlZeroMemory(TcpRequestQueryInformationEx, sizeof(TCP_REQUEST_QUERY_INFORMATION_EX));
TcpRequestQueryInformationEx->ID.toi_id = IP_MIB_STATS_ID;
TcpRequestQueryInformationEx->ID.toi_type = INFO_TYPE_PROVIDER;
TcpRequestQueryInformationEx->ID.toi_class = INFO_CLASS_PROTOCOL;
TcpRequestQueryInformationEx->ID.toi_entity.tei_entity = CL_NL_ENTITY;
TcpRequestQueryInformationEx->ID.toi_entity.tei_instance = 0;
Status = CallQueryIPIOCTL(
Handle,
SACEvent,
SACEventHandle,
&IoStatusBlock,
TcpRequestQueryInformationEx,
sizeof(TCP_REQUEST_QUERY_INFORMATION_EX),
IpsiInfo,
sizeof(IPSNMPInfo),
FALSE,
&putPrompt);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_IPADDRESS_SET_FAILURE);
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC DoSetIpAddressCommand: failed to query TCP device, ec = 0x%X\n",
Status)));
goto DoSetIpAddressCommand_Exit;
}
if (IpsiInfo->ipsi_numaddr == 0) {
SacPutSimpleMessage( SAC_IPADDR_NONE );
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (10).\n")));
Status = STATUS_NO_MEMORY;
goto DoSetIpAddressCommand_Exit;
}
//
// Allocate space for the array of IP addresses
//
AddressArray = ALLOCATE_POOL(IpsiInfo->ipsi_numaddr*sizeof(IPAddrEntry),
GENERAL_POOL_TAG);
if (AddressArray == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (15).\n")));
Status = STATUS_NO_MEMORY;
goto DoSetIpAddressCommand_Exit;
}
//
// zero out the context information and preload with the info we're gonna
// request (we want information on each of the interfaces on this machine)
//
RtlZeroMemory(TcpRequestQueryInformationEx, sizeof(TCP_REQUEST_QUERY_INFORMATION_EX));
TcpRequestQueryInformationEx->ID.toi_id = IP_MIB_ADDRTABLE_ENTRY_ID;
TcpRequestQueryInformationEx->ID.toi_type = INFO_TYPE_PROVIDER;
TcpRequestQueryInformationEx->ID.toi_class = INFO_CLASS_PROTOCOL;
TcpRequestQueryInformationEx->ID.toi_entity.tei_entity = CL_NL_ENTITY;
TcpRequestQueryInformationEx->ID.toi_entity.tei_instance = 0;
Status = CallQueryIPIOCTL(
Handle,
SACEvent,
SACEventHandle,
&IoStatusBlock,
TcpRequestQueryInformationEx,
sizeof(TCP_REQUEST_QUERY_INFORMATION_EX),
AddressArray,
IpsiInfo->ipsi_numaddr*sizeof(IPAddrEntry),
FALSE,
&putPrompt);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_IPADDRESS_SET_FAILURE);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (20).\n")));
goto DoSetIpAddressCommand_Exit;
}
//
// Now cycle through the list and figure out the context number of
// the interface the user wants to set. We need this so we can later
// tell which context to apply the new gateway to.
//
InterfaceIndex = 0xFFFFFFFF;
for (i = 0; i < IpsiInfo->ipsi_numaddr; i++) {
if( (ULONG)(AddressArray[i].iae_context) == NetworkNumber ) {
//
// remember the index of this interface.
//
InterfaceIndex = AddressArray[i].iae_index;
break;
}
}
//
// Get rid of the memory and handles that we don't need any longer.
//
FREE_POOL(&TcpRequestQueryInformationEx);
FREE_POOL(&AddressArray);
FREE_POOL(&IpsiInfo);
ZwClose(Handle);
Handle = 0;
if( InterfaceIndex == 0xFFFFFFFF ) {
//
// We couldn't find the NIC they're trying to talk to.
//
SacPutSimpleMessage(SAC_IPADDRESS_RETRIEVE_FAILURE);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (20).\n")));
return;
}
//
// We now know which gateway entry they want to change.
// We can now go update the ip address, subnet mask, and
// gateway.
//
//
// Setup notification event. We'll use this in case the IOCTLs
// tell us to wait while the address updates take place.
//
Status = NtCreateEvent(
&EventHandle, // EventHandle
EVENT_ALL_ACCESS, // DesiredAccess
NULL, // ObjectAttributes
SynchronizationEvent, // EventType
FALSE // InitialState
);
if (! NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_IPADDRESS_RETRIEVE_FAILURE);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Event is NULL.\n")));
return;
}
//
// Set IP address and subnet mask.
//
//
// Start by opening the driver
//
RtlInitUnicodeString(&UnicodeString, DD_IP_DEVICE_NAME);
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = ZwOpenFile(&Handle,
(ACCESS_MASK)FILE_GENERIC_READ,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0
);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_IPADDRESS_SET_FAILURE);
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC DoSetIpAddressCommand: failed to open IP device, ec = 0x%X\n",
Status)));
goto DoSetIpAddressCommand_Exit;
}
//
// Setup the IOCTL buffer to delete the old address.
//
IpRequest = (PIP_SET_ADDRESS_REQUEST)GlobalBuffer;
RtlZeroMemory(IpRequest, sizeof(IP_SET_ADDRESS_REQUEST));
IpRequest->Address = 0;
IpRequest->SubnetMask = 0;
IpRequest->Context = (USHORT)NetworkNumber;
//
// Submit the IOCTL
//
Status = NtDeviceIoControlFile(Handle,
EventHandle,
NULL,
NULL,
&IoStatusBlock,
IOCTL_IP_SET_ADDRESS,
IpRequest,
sizeof(IP_SET_ADDRESS_REQUEST),
NULL,
0
);
if (Status == STATUS_PENDING) {
//
// Wait up to 30 seconds for it to finish
//
TimeOut.QuadPart = Int32x32To64((LONG)30000, -1000);
Status = NtWaitForSingleObject((PVOID)EventHandle, FALSE, &TimeOut);
if (Status == STATUS_SUCCESS) {
Status = IoStatusBlock.Status;
}
}
if (Status != STATUS_SUCCESS) {
SacPutSimpleMessage( SAC_IPADDRESS_CLEAR_FAILURE );
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC DoSetIpAddressCommand: Exiting because it couldn't clear existing IP Address (0x%X).\n",
Status)));
goto DoSetIpAddressCommand_Exit;
}
//
// Now add our address.
//
IpRequest = (PIP_SET_ADDRESS_REQUEST)GlobalBuffer;
RtlZeroMemory(IpRequest, sizeof(IP_SET_ADDRESS_REQUEST));
IpRequest->Address = IpAddress;
IpRequest->SubnetMask = SubnetMask;
IpRequest->Context = (USHORT)NetworkNumber;
//
// Submit the IOCTL
//
Status = NtDeviceIoControlFile(Handle,
EventHandle,
NULL,
NULL,
&IoStatusBlock,
IOCTL_IP_SET_ADDRESS,
IpRequest,
sizeof(IP_SET_ADDRESS_REQUEST),
NULL,
0
);
if (Status == STATUS_PENDING) {
//
// Wait up to 30 seconds for it to finish
//
TimeOut.QuadPart = Int32x32To64((LONG)30000, -1000);
Status = NtWaitForSingleObject((PVOID)EventHandle, FALSE, &TimeOut);
if (NT_SUCCESS(Status)) {
Status = IoStatusBlock.Status;
}
}
//
// Don't need this anymore.
//
ZwClose(Handle);
Handle = 0;
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage( SAC_IPADDRESS_SET_FAILURE );
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC DoSetIpAddressCommand: Exiting because it couldn't set existing IP Address (0x%X).\n",
Status)));
goto DoSetIpAddressCommand_Exit;
}
//
// Now set the default gateway address based on the information we dug up
// at the top of the function.
//
//
// Start by opening the TCP driver
//
RtlInitUnicodeString(&UnicodeString, DD_TCP_DEVICE_NAME);
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = ZwOpenFile(&Handle,
(ACCESS_MASK)FILE_GENERIC_READ,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0
);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_IPADDRESS_SET_FAILURE);
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC DoSetIpAddressCommand: failed to open TCP device, ec = 0x%X\n",
Status)));
goto DoSetIpAddressCommand_Exit;
}
//
// Fill in the route entry and submit the IOCTL
//
RouteEntry = ALLOCATE_POOL( sizeof(IPRouteEntry), GENERAL_POOL_TAG );
if (RouteEntry == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (21).\n")));
Status = STATUS_NO_MEMORY;
goto DoSetIpAddressCommand_Exit;
}
RouteEntry->ire_dest = 0;
RouteEntry->ire_index = InterfaceIndex;
RouteEntry->ire_metric1 = 1;
RouteEntry->ire_metric2 = (ULONG)(-1);
RouteEntry->ire_metric3 = (ULONG)(-1);
RouteEntry->ire_metric4 = (ULONG)(-1);
RouteEntry->ire_metric5 = (ULONG)(-1);
RouteEntry->ire_nexthop = GatewayAddress;
RouteEntry->ire_type =
((IpAddress == GatewayAddress) ? IRE_TYPE_DIRECT : IRE_TYPE_INDIRECT);
RouteEntry->ire_proto = IRE_PROTO_NETMGMT;
RouteEntry->ire_age = 0;
RouteEntry->ire_mask = 0;
RouteEntry->ire_context = 0;
i = FIELD_OFFSET(TCP_REQUEST_SET_INFORMATION_EX, Buffer) + sizeof(IPRouteEntry);
TcpRequestSetInformationEx = ALLOCATE_POOL( i, GENERAL_POOL_TAG );
if (TcpRequestSetInformationEx == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (22).\n")));
Status = STATUS_NO_MEMORY;
goto DoSetIpAddressCommand_Exit;
}
RtlZeroMemory(TcpRequestSetInformationEx, i);
TcpRequestSetInformationEx->ID.toi_id = IP_MIB_RTTABLE_ENTRY_ID;
TcpRequestSetInformationEx->ID.toi_type = INFO_TYPE_PROVIDER;
TcpRequestSetInformationEx->ID.toi_class = INFO_CLASS_PROTOCOL;
TcpRequestSetInformationEx->ID.toi_entity.tei_entity = CL_NL_ENTITY;
TcpRequestSetInformationEx->ID.toi_entity.tei_instance = 0;
TcpRequestSetInformationEx->BufferSize = sizeof(IPRouteEntry);
memcpy(&TcpRequestSetInformationEx->Buffer[0], RouteEntry, sizeof(IPRouteEntry));
//
// set the default gateway address.
//
Status = NtDeviceIoControlFile(Handle, // driver handle
EventHandle, // sync event
NULL, // APC routine
NULL, // APC context
&IoStatusBlock,
IOCTL_TCP_SET_INFORMATION_EX,
TcpRequestSetInformationEx,
i,
NULL,
0
);
if (Status == STATUS_PENDING) {
//
// Wait up to 30 seconds for it to finish
//
TimeOut.QuadPart = Int32x32To64((LONG)30000, -1000);
Status = NtWaitForSingleObject((PVOID)EventHandle, FALSE, &TimeOut);
if (Status == STATUS_SUCCESS) {
Status = IoStatusBlock.Status;
}
}
if (Status != STATUS_SUCCESS) {
SacPutSimpleMessage( SAC_IPADDRESS_SET_FAILURE );
IF_SAC_DEBUG(
SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC DoSetIpAddressCommand: Exiting because it couldn't set gateway Address (0x%X).\n",
Status)));
goto DoSetIpAddressCommand_Exit;
}
DoSetIpAddressCommand_Exit:
if( EventHandle != 0 ) {
ZwClose(EventHandle);
}
if( Handle != 0 ) {
ZwClose(Handle);
}
if( TcpRequestQueryInformationEx != NULL ) {
FREE_POOL( &TcpRequestQueryInformationEx );
}
if( TcpRequestSetInformationEx != NULL ) {
FREE_POOL( &TcpRequestSetInformationEx );
}
if( IpsiInfo != NULL ) {
FREE_POOL( &IpsiInfo );
}
if( RouteEntry != NULL ) {
FREE_POOL( &RouteEntry );
}
if( Status == STATUS_SUCCESS ) {
SacPutSimpleMessage( SAC_IPADDRESS_SET_SUCCESS );
}
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting.\n")));
return;
}
VOID
DoKillCommand(
PUCHAR InputLine
)
/*++
Routine Description:
This routine kill a process.
Arguments:
InputLine - The users input line to parse.
Return Value:
None.
--*/
{
NTSTATUS Status;
NTSTATUS StatusOfJobObject;
HANDLE Handle = NULL;
HANDLE JobHandle = NULL;
PUCHAR pch = InputLine;
PUCHAR pchTmp;
ULONG ProcessId;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING UnicodeString;
CLIENT_ID ClientId;
BOOLEAN TerminateJobObject;
BOOLEAN TerminateProcessObject;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Entering.\n")));
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Exiting (1).\n")));
return;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
//
// Skip to next argument (process id)
//
pch += (sizeof(KILL_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (*pch == '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Exiting (2).\n")));
return;
}
pchTmp = pch;
if (!IS_NUMBER(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Exiting (2b).\n")));
return;
}
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Exiting (3).\n")));
return;
}
ProcessId = atoi((LPCSTR)pch);
//
// Try and open an existing job object
//
swprintf((PWCHAR)GlobalBuffer, L"\\BaseNamedObjects\\SAC%d", ProcessId);
RtlInitUnicodeString(&UnicodeString, (PWCHAR)GlobalBuffer);
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
StatusOfJobObject = ZwOpenJobObject(&JobHandle, MAXIMUM_ALLOWED, &ObjectAttributes);
//
// Also open a handle to the process itself.
//
InitializeObjectAttributes(&ObjectAttributes,
NULL,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
ClientId.UniqueProcess = (HANDLE)UlongToPtr(ProcessId);
ClientId.UniqueThread = NULL;
Status = ZwOpenProcess(&Handle,
MAXIMUM_ALLOWED,
&ObjectAttributes,
&ClientId
);
if (!NT_SUCCESS(Status) && !NT_SUCCESS(StatusOfJobObject)) {
SacPutSimpleMessage(SAC_KILL_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Exiting (4).\n")));
return;
}
//
// To make the logic here more understandable, I use two booleans. We have to use
// ZwIsProcessInJob because there may be a previous JobObject for a process that we
// have killed, but has not yet been fully cleaned up by the system to determine if
// the process we are trying to kill is, in fact, in the JobObject we have opened.
//
TerminateJobObject = (BOOLEAN)(NT_SUCCESS(StatusOfJobObject) &&
(BOOLEAN)NT_SUCCESS(Status) &&
(BOOLEAN)(ZwIsProcessInJob(Handle, JobHandle) == STATUS_PROCESS_IN_JOB)
);
TerminateProcessObject = !TerminateJobObject && (BOOLEAN)NT_SUCCESS(Status);
if (TerminateJobObject) {
Status = ZwTerminateJobObject(JobHandle, 1);
//
// Make the job object temporary so that when we do our close it
// will remove it.
//
ZwMakeTemporaryObject(JobHandle);
} else if (TerminateProcessObject) {
Status = ZwTerminateProcess(Handle, 1);
}
if (JobHandle != NULL) {
ZwClose(JobHandle);
}
if (Handle != NULL) {
ZwClose(Handle);
}
if (!TerminateProcessObject && !TerminateJobObject) {
SacPutSimpleMessage(SAC_PROCESS_STALE);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Exiting (5).\n")));
return;
} else if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_KILL_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Exiting (6).\n")));
return;
}
//
// All done
//
SacPutSimpleMessage(SAC_KILL_SUCCESS);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoKillCommand: Exiting.\n")));
return;
}
VOID
DoLowerPriorityCommand(
PUCHAR InputLine
)
/*++
Routine Description:
This routine slams the priority of a process down to the lowest possible, IDLE.
Arguments:
InputLine - The users input line to parse.
Return Value:
None.
--*/
{
NTSTATUS Status;
PUCHAR pch = InputLine;
PUCHAR pchTmp;
ULONG ProcessId;
CLIENT_ID ClientId;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE ProcessHandle = NULL;
PROCESS_BASIC_INFORMATION BasicInfo;
ULONG LoopCounter;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLowerPriorityCommand: Entering.\n")));
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLowerPriorityCommand: Exiting (1).\n")));
goto Exit;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
//
// Skip to next argument (process id)
//
pch += (sizeof(LOWER_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (!IS_NUMBER(*pch)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLowerPriorityCommand: Exiting (2).\n")));
goto Exit;
}
pchTmp = pch;
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLowerPriorityCommand: Exiting (3).\n")));
return;
}
ProcessId = atoi((LPCSTR)pch);
//
// Try to open the process
//
InitializeObjectAttributes(&ObjectAttributes,
NULL,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
ClientId.UniqueProcess = (HANDLE)UlongToPtr(ProcessId);
ClientId.UniqueThread = NULL;
Status = ZwOpenProcess(&ProcessHandle,
MAXIMUM_ALLOWED,
&ObjectAttributes,
&ClientId
);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_LOWERPRI_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLowerPriorityCommand: Exiting (4).\n")));
goto Exit;
}
//
// Query information on the process.
//
Status = ZwQueryInformationProcess( ProcessHandle,
ProcessBasicInformation,
&BasicInfo,
sizeof(PROCESS_BASIC_INFORMATION),
NULL );
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_LOWERPRI_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLowerPriorityCommand: Exiting (5).\n")));
goto Exit;
}
//
// Lower the priority and set. Keep lowering it until we fail. Remember
// that we're supposed to lower it as far as it will go.
//
Status = STATUS_SUCCESS;
LoopCounter = 0;
while( (Status == STATUS_SUCCESS) &&
(BasicInfo.BasePriority > 0) ) {
BasicInfo.BasePriority--;
Status = ZwSetInformationProcess( ProcessHandle,
ProcessBasePriority,
&BasicInfo.BasePriority,
sizeof(BasicInfo.BasePriority) );
//
// Only treat a failure on the first time through.
//
if( (!NT_SUCCESS(Status)) && (LoopCounter == 0) ) {
SacPutSimpleMessage(SAC_LOWERPRI_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLowerPriorityCommand: Exiting (6).\n")));
goto Exit;
}
LoopCounter++;
}
//
// All done.
//
SacPutSimpleMessage(SAC_LOWERPRI_SUCCESS);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLowerPriorityCommand: Exiting.\n")));
Exit:
if (ProcessHandle != NULL) {
ZwClose(ProcessHandle);
}
return;
}
VOID
DoRaisePriorityCommand(
PUCHAR InputLine
)
/*++
Routine Description:
This routine raises the priority of a process up one increment.
Arguments:
InputLine - The users input line to parse.
Return Value:
None.
--*/
{
NTSTATUS Status;
PUCHAR pch = InputLine;
PUCHAR pchTmp;
ULONG ProcessId;
CLIENT_ID ClientId;
OBJECT_ATTRIBUTES ObjectAttributes;
HANDLE ProcessHandle = NULL;
PROCESS_BASIC_INFORMATION BasicInfo;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRaisePriorityCommand: Entering.\n")));
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRaisePriorityCommand: Exiting (1).\n")));
goto Exit;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
//
// Skip to next argument (process id)
//
pch += (sizeof(RAISE_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (!IS_NUMBER(*pch)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRaisePriorityCommand: Exiting (2).\n")));
goto Exit;
}
pchTmp = pch;
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRaisePriorityCommand: Exiting (3).\n")));
return;
}
ProcessId = atoi((LPCSTR)pch);
//
// See if the process even exists.
//
InitializeObjectAttributes(&ObjectAttributes,
NULL,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
ClientId.UniqueProcess = (HANDLE)UlongToPtr(ProcessId);
ClientId.UniqueThread = NULL;
Status = ZwOpenProcess(&ProcessHandle,
MAXIMUM_ALLOWED,
&ObjectAttributes,
&ClientId
);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_RAISEPRI_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRaisePriorityCommand: Exiting (4).\n")));
goto Exit;
}
//
// Query information on the process.
//
Status = ZwQueryInformationProcess( ProcessHandle,
ProcessBasicInformation,
&BasicInfo,
sizeof(PROCESS_BASIC_INFORMATION),
NULL );
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_LOWERPRI_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRaisePriorityCommand: Exiting (5).\n")));
goto Exit;
}
//
// Lower the priority and set. Keep lowering it until we fail. Remember
// that we're supposed to lower it as far as it will go.
//
BasicInfo.BasePriority++;
Status = ZwSetInformationProcess( ProcessHandle,
ProcessBasePriority,
&BasicInfo.BasePriority,
sizeof(BasicInfo.BasePriority) );
//
// Only treat a failure on the first time through.
//
if( !NT_SUCCESS(Status) ) {
SacPutSimpleMessage(SAC_LOWERPRI_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRaisePriorityCommand: Exiting (6).\n")));
goto Exit;
}
//
// All done.
//
SacPutSimpleMessage(SAC_RAISEPRI_SUCCESS);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRaisePriorityCommand: Exiting.\n")));
Exit:
if (ProcessHandle != NULL) {
ZwClose(ProcessHandle);
}
return;
}
VOID
DoLimitMemoryCommand(
PUCHAR InputLine
)
/*++
Routine Description:
This routine reduces the memory working set of a process to the values in
the input line given.
Arguments:
InputLine - The users input line to parse.
Return Value:
None.
--*/
{
NTSTATUS Status;
NTSTATUS StatusOfJobObject;
PUCHAR pch = InputLine;
PUCHAR pchTmp;
ULONG ProcessId;
ULONG MemoryLimit;
CLIENT_ID ClientId;
OBJECT_ATTRIBUTES ObjectAttributes;
UNICODE_STRING UnicodeString;
HANDLE JobHandle = NULL;
HANDLE ProcessHandle = NULL;
JOBOBJECT_EXTENDED_LIMIT_INFORMATION ProposedLimits;
ULONG ReturnedLength;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Entering.\n")));
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (1).\n")));
goto Exit;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
//
// Get process id
//
pch += (sizeof(LIMIT_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (!IS_NUMBER(*pch)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (2).\n")));
goto Exit;
}
pchTmp = pch;
SKIP_NUMBERS(pchTmp);
if (!IS_WHITESPACE(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (3).\n")));
return;
}
*pchTmp = '\0';
pchTmp++;
ProcessId = atoi((LPCSTR)pch);
//
// Now get memory limit
//
SKIP_WHITESPACE(pchTmp);
if (!IS_NUMBER(*pchTmp)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (4).\n")));
return;
}
pch = pchTmp;
SKIP_NUMBERS(pchTmp);
SKIP_WHITESPACE(pchTmp);
if (*pchTmp != '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (5).\n")));
return;
}
MemoryLimit = atoi((LPCSTR)pch);
if (MemoryLimit == 0) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (6).\n")));
goto Exit;
}
//
// Create the name for the job object
//
swprintf((PWCHAR)GlobalBuffer, L"\\BaseNamedObjects\\SAC%d", ProcessId);
//
// Try and open the existing job object
//
RtlInitUnicodeString(&UnicodeString, (PWCHAR)GlobalBuffer);
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
StatusOfJobObject = ZwOpenJobObject(&JobHandle, MAXIMUM_ALLOWED, &ObjectAttributes);
//
// Try to open the process
//
InitializeObjectAttributes(&ObjectAttributes,
NULL,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
ClientId.UniqueProcess = (HANDLE)UlongToPtr(ProcessId);
ClientId.UniqueThread = NULL;
Status = ZwOpenProcess(&ProcessHandle,
MAXIMUM_ALLOWED,
&ObjectAttributes,
&ClientId
);
if (!NT_SUCCESS(Status) && !NT_SUCCESS(StatusOfJobObject)) {
SacPutSimpleMessage(SAC_LOWERMEM_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (7).\n")));
goto Exit;
}
if (NT_SUCCESS(Status) &&
NT_SUCCESS(StatusOfJobObject) &&
(ZwIsProcessInJob(ProcessHandle, JobHandle) != STATUS_PROCESS_IN_JOB)) {
SacPutSimpleMessage(SAC_DUPLICATE_PROCESS);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (8).\n")));
goto Exit;
}
if (!NT_SUCCESS(StatusOfJobObject)) {
//
// Now try and create a job object to wrap around this process.
//
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE | OBJ_PERMANENT,
NULL,
NULL
);
Status = ZwCreateJobObject(&JobHandle, MAXIMUM_ALLOWED, &ObjectAttributes);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_LOWERMEM_FAILURE);
SAC_PUT_ERROR_STRING(Status);
ZwClose(ProcessHandle);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (8b).\n")));
goto Exit;
}
//
// Assign the process to this new job object.
//
Status = ZwAssignProcessToJobObject(JobHandle, ProcessHandle);
ZwClose(ProcessHandle);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_LOWERMEM_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (9).\n")));
goto Exit;
}
}
//
// Get the current set of limits
//
Status = ZwQueryInformationJobObject(JobHandle,
JobObjectExtendedLimitInformation,
&ProposedLimits,
sizeof(JOBOBJECT_EXTENDED_LIMIT_INFORMATION),
&ReturnedLength
);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_LOWERMEM_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (10).\n")));
goto Exit;
}
//
// Change the memory limits
//
ProposedLimits.BasicLimitInformation.LimitFlags |= JOB_OBJECT_LIMIT_PROCESS_MEMORY;
ProposedLimits.ProcessMemoryLimit = MemoryLimit * 1024 * 1024;
ProposedLimits.BasicLimitInformation.LimitFlags |= JOB_OBJECT_LIMIT_JOB_MEMORY;
ProposedLimits.JobMemoryLimit = MemoryLimit * 1024 * 1024;
Status = ZwSetInformationJobObject(JobHandle,
JobObjectExtendedLimitInformation,
&ProposedLimits,
sizeof(JOBOBJECT_EXTENDED_LIMIT_INFORMATION)
);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_LOWERMEM_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting (11).\n")));\
goto Exit;
}
//
// All done.
//
SacPutSimpleMessage(SAC_LOWERMEM_SUCCESS);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoLimitMemoryCommand: Exiting.\n")));
Exit:
if (JobHandle != NULL) {
ZwClose(JobHandle);
}
if (ProcessHandle != NULL) {
ZwClose(ProcessHandle);
}
return;
}
VOID
DoRebootCommand(
BOOLEAN Reboot
)
/*++
Routine Description:
This routine does a shutdown and an optional reboot.
Arguments:
Reboot - To Reboot or not to reboot, that is the question answered here.
Return Value:
None.
--*/
{
#define RESTART_DELAY_TIME (60)
NTSTATUS Status;
LARGE_INTEGER TickCount;
LARGE_INTEGER ElapsedTime;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRebootCommand: Entering.\n")));
//
// If we attempt to shutdown the system before smss.exe has initialized
// properly, and if there's no debugger, the machine may bugcheck. Figuring
// out exactly what's going on is difficult because if we put a debugger on
// the machine, he won't repro the problem. To work around this, we're going
// to make sure the machine has had time to initialize before we tell it to
// restart/shutdown.
//
// Elapsed TickCount
KeQueryTickCount( &TickCount );
// ElapsedTime in seconds.
ElapsedTime.QuadPart = (TickCount.QuadPart)/(10000000/KeQueryTimeIncrement());
if( ElapsedTime.QuadPart < RESTART_DELAY_TIME ) {
KEVENT Event;
ConMgrSimpleEventMessage(
Reboot ? SAC_PREPARE_RESTART : SAC_PREPARE_SHUTDOWN,
TRUE
);
// wait until the machine has been up for at least RESTART_DELAY_TIME seconds.
KeInitializeEvent( &Event,
SynchronizationEvent,
FALSE );
ElapsedTime.QuadPart = Int32x32To64((LONG)((RESTART_DELAY_TIME-ElapsedTime.LowPart)*10000), // milliseconds until we reach RESTART_DELAY_TIME
-1000);
KeWaitForSingleObject((PVOID)&Event, Executive, KernelMode, FALSE, &ElapsedTime);
}
Status = NtShutdownSystem(Reboot ? ShutdownReboot : ShutdownPowerOff);
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRebootCommand: Exiting (1).\n")));
return;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
SacPutSimpleMessage(Reboot ? SAC_RESTART_FAILURE : SAC_SHUTDOWN_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoRebootCommand: Exiting.\n")));
}
VOID
DoCrashCommand(
VOID
)
/*++
Routine Description:
This routine does a shutdown and bugcheck.
Arguments:
None.
Return Value:
None.
--*/
{
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoCrashCommand: Entering.\n")));
//
// this call does not return
//
KeBugCheckEx(MANUALLY_INITIATED_CRASH, 0, 0, 0, 0);
// SacPutSimpleMessage( SAC_CRASHDUMP_FAILURE );
// IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoCrashCommand: Exiting.\n")));
}
VOID
DoTlistCommand(
VOID
)
/*++
Routine Description:
This routine gets a Tlist and displays it.
Arguments:
None.
Return Value:
None.
--*/
{
NTSTATUS Status;
ULONG DataLength;
PVOID NewBuffer;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoTlistCommand: Entering.\n")));
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoTlistCommand: Exiting.\n")));
return;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
RetryTList:
Status = GetTListInfo((PSAC_RSP_TLIST)GlobalBuffer,
(LONG)GlobalBufferSize,
&DataLength
);
if ((Status == STATUS_NO_MEMORY) ||
(Status == STATUS_INFO_LENGTH_MISMATCH)) {
//
// Try to get more memory, if not available, then just fail without out of memory error.
//
NewBuffer = ALLOCATE_POOL(GlobalBufferSize + MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (NewBuffer != NULL) {
FREE_POOL(&GlobalBuffer);
GlobalBuffer = NewBuffer;
GlobalBufferSize += MEMORY_INCREMENT;
goto RetryTList;
}
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoTlistCommand: Exiting.\n")));
return;
}
if (NT_SUCCESS(Status)) {
PrintTListInfo((PSAC_RSP_TLIST)GlobalBuffer);
} else {
SacPutSimpleMessage( SAC_TLIST_FAILURE );
SAC_PUT_ERROR_STRING(Status);
}
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoTlistCommand: Exiting.\n")));
}
NTSTATUS
GetTListInfo(
OUT PSAC_RSP_TLIST ResponseBuffer,
IN LONG ResponseBufferSize,
OUT PULONG ResponseDataSize
)
/*++
Routine Description:
This routine gets all the information necessary for the TList command.
Arguments:
ResponseBuffer - The buffer to put the results into.
ResponseBufferSize - The length of the above buffer.
ResponseDataSize - The length of the resulting buffer.
Return Value:
None.
--*/
{
NTSTATUS Status;
PSYSTEM_PAGEFILE_INFORMATION PageFileInfo;
PUCHAR DataBuffer;
PUCHAR StartProcessInfo;
LONG CurrentBufferSize;
ULONG ReturnLength;
ULONG TotalOffset;
ULONG OffsetIncrement = 0;
PSYSTEM_PROCESS_INFORMATION ProcessInfo;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Entering.\n")));
*ResponseDataSize = 0;
if (ResponseBufferSize < sizeof(ResponseBuffer)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, no memory.\n")));
return(STATUS_NO_MEMORY);
}
DataBuffer = (PUCHAR)(ResponseBuffer + 1);
CurrentBufferSize = ResponseBufferSize - sizeof(SAC_RSP_TLIST);
if (CurrentBufferSize < 0) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, no memory (2).\n")));
return STATUS_NO_MEMORY;
}
//
// Get system-wide information
//
Status = ZwQuerySystemInformation(SystemTimeOfDayInformation,
&(ResponseBuffer->TimeOfDayInfo),
sizeof(SYSTEM_TIMEOFDAY_INFORMATION),
NULL
);
if (!NT_SUCCESS(Status)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, error.\n")));
return(Status);
}
Status = ZwQuerySystemInformation(SystemBasicInformation,
&(ResponseBuffer->BasicInfo),
sizeof(SYSTEM_BASIC_INFORMATION),
NULL
);
if (!NT_SUCCESS(Status)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, error(2).\n")));
return(Status);
}
//
// Get pagefile information
//
PageFileInfo = (PSYSTEM_PAGEFILE_INFORMATION)DataBuffer;
Status = ZwQuerySystemInformation(SystemPageFileInformation,
PageFileInfo,
CurrentBufferSize,
&ReturnLength
);
if (NT_SUCCESS(Status) && (ReturnLength != 0)) {
ResponseBuffer->PagefileInfoOffset = ResponseBufferSize - CurrentBufferSize;
CurrentBufferSize -= ReturnLength;
DataBuffer += ReturnLength;
if (CurrentBufferSize < 0) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, no memory(3).\n")));
return STATUS_NO_MEMORY;
}
//
// Go thru each pagefile and fixup the names...
//
for (; ; ) {
if (PageFileInfo->PageFileName.Length > CurrentBufferSize) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, error(3).\n")));
return(STATUS_INFO_LENGTH_MISMATCH);
}
RtlCopyMemory(DataBuffer,
(PUCHAR)(PageFileInfo->PageFileName.Buffer),
PageFileInfo->PageFileName.Length
);
PageFileInfo->PageFileName.Buffer = (PWSTR)DataBuffer;
DataBuffer += PageFileInfo->PageFileName.Length;
CurrentBufferSize -= PageFileInfo->PageFileName.Length;
if (CurrentBufferSize < 0) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, no memory (4).\n")));
return STATUS_NO_MEMORY;
}
if (PageFileInfo->NextEntryOffset == 0) {
break;
}
PageFileInfo = (PSYSTEM_PAGEFILE_INFORMATION)((PCHAR)PageFileInfo + PageFileInfo->NextEntryOffset);
}
} else if (((ULONG)CurrentBufferSize) < ReturnLength) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, no memory(5).\n")));
return(STATUS_NO_MEMORY);
} else {
//
// Either failure or no paging file present.
//
ResponseBuffer->PagefileInfoOffset = 0;
}
//
// Get process information
//
Status = ZwQuerySystemInformation(SystemFileCacheInformation,
&(ResponseBuffer->FileCache),
sizeof(ResponseBuffer->FileCache),
NULL
);
if (!NT_SUCCESS(Status)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, error(4).\n")));
return(Status);
}
Status = ZwQuerySystemInformation(SystemPerformanceInformation,
&(ResponseBuffer->PerfInfo),
sizeof(ResponseBuffer->PerfInfo),
NULL
);
if (!NT_SUCCESS(Status)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, error(5).\n")));
return(Status);
}
//
// Realign DataBuffer for the next query
//
DataBuffer = ALIGN_UP_POINTER(DataBuffer, SYSTEM_PROCESS_INFORMATION);
CurrentBufferSize = (ULONG)(ResponseBufferSize - (((ULONG_PTR)DataBuffer) - ((ULONG_PTR)ResponseBuffer)));
if (CurrentBufferSize < 0) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, no memory (6).\n")));
return STATUS_NO_MEMORY;
}
Status = ZwQuerySystemInformation(SystemProcessInformation,
DataBuffer,
CurrentBufferSize,
&ReturnLength
);
if (!NT_SUCCESS(Status)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, error(6).\n")));
return(Status);
}
StartProcessInfo = DataBuffer;
ResponseBuffer->ProcessInfoOffset = ResponseBufferSize - CurrentBufferSize;
DataBuffer += ReturnLength;
CurrentBufferSize -= ReturnLength;
if (CurrentBufferSize < 0) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, no memory(7).\n")));
return STATUS_NO_MEMORY;
}
OffsetIncrement = 0;
TotalOffset = 0;
ProcessInfo = (PSYSTEM_PROCESS_INFORMATION)StartProcessInfo;
do {
//
// We have to take the name of each process and pack the UNICODE_STRING
// buffer in our buffer so it doesn't collide with the subsequent data
//
if (ProcessInfo->ImageName.Buffer) {
if (CurrentBufferSize < ProcessInfo->ImageName.Length ) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, error(7).\n")));
return(STATUS_INFO_LENGTH_MISMATCH);
}
RtlCopyMemory(DataBuffer, (PUCHAR)(ProcessInfo->ImageName.Buffer), ProcessInfo->ImageName.Length);
ProcessInfo->ImageName.Buffer = (PWSTR)DataBuffer;
DataBuffer += ProcessInfo->ImageName.Length;
CurrentBufferSize -= ProcessInfo->ImageName.Length;
if (CurrentBufferSize < 0) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting, no memory(8).\n")));
return STATUS_NO_MEMORY;
}
}
if (ProcessInfo->NextEntryOffset == 0) {
break;
}
OffsetIncrement = ProcessInfo->NextEntryOffset;
TotalOffset += OffsetIncrement;
ProcessInfo = (PSYSTEM_PROCESS_INFORMATION)&(StartProcessInfo[TotalOffset]);
} while( OffsetIncrement != 0 );
*ResponseDataSize = (ULONG)(ResponseBufferSize - CurrentBufferSize);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC GetTlistInfo: Exiting.\n")));
return STATUS_SUCCESS;
}
VOID
PrintTListInfo(
IN PSAC_RSP_TLIST Buffer
)
/*++
Routine Description:
This routine prints TList info to the headless terminal.
Arguments:
Buffer - The buffer with the results.
Return Value:
None.
--*/
{
LARGE_INTEGER Time;
TIME_FIELDS UserTime;
TIME_FIELDS KernelTime;
TIME_FIELDS UpTime;
ULONG TotalOffset;
ULONG OffsetIncrement = 0;
SIZE_T SumCommit;
SIZE_T SumWorkingSet;
PSYSTEM_PROCESS_INFORMATION ProcessInfo;
PSYSTEM_THREAD_INFORMATION ThreadInfo;
PSYSTEM_PAGEFILE_INFORMATION PageFileInfo;
ULONG i;
PUCHAR ProcessInfoStart;
PUCHAR BufferStart = (PUCHAR)Buffer;
ULONG LineNumber = 0;
ULONG OutputBufferSize;
PWCHAR OutputBuffer;
UNICODE_STRING Process;
BOOLEAN Stop;
PCWSTR Message;
//
// Allocate work buffer
// should never be more than 80, but just to be safe....
//
OutputBufferSize = 200*sizeof(WCHAR);
OutputBuffer = ALLOCATE_POOL(OutputBufferSize, GENERAL_POOL_TAG);
ASSERT(OutputBuffer);
if (OutputBuffer == NULL) {
IF_SAC_DEBUG(
SAC_DEBUG_FAILS,
KdPrint(("SAC PrintTlistInfo: Failed to allocate OuputBuffer\n"))
);
return;
}
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC PrintTlistInfo: Entering.\n")));
Time.QuadPart = Buffer->TimeOfDayInfo.CurrentTime.QuadPart - Buffer->TimeOfDayInfo.BootTime.QuadPart;
RtlTimeToElapsedTimeFields(&Time, &UpTime);
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
GetMessage( SAC_TLIST_HEADER1_FORMAT ),
Buffer->BasicInfo.NumberOfPhysicalPages * (Buffer->BasicInfo.PageSize / 1024),
UpTime.Day,
UpTime.Hour,
UpTime.Minute,
UpTime.Second,
UpTime.Milliseconds
));
SacPutString(OutputBuffer);
LineNumber += 2;
PageFileInfo = (PSYSTEM_PAGEFILE_INFORMATION)(BufferStart + Buffer->PagefileInfoOffset);
//
// Print out the page file information.
//
if (Buffer->PagefileInfoOffset == 0) {
SacPutSimpleMessage(SAC_TLIST_NOPAGEFILE);
LineNumber++;
} else {
for (; ; ) {
//
// ensure that the OutputBuffer is big enough to hold the string
//
Message = GetMessage(SAC_TLIST_PAGEFILE_NAME);
if (Message == NULL) {
//
// we must have this resource
//
ASSERT(0);
//
// give up trying to print page file info
//
break;
}
if (((wcslen(Message) +
wcslen((PWSTR)&(PageFileInfo->PageFileName))) * sizeof(WCHAR)) > (OutputBufferSize-2)) {
//
// Since we don't expect the pagefilename to be > 80 chars, we should stop and
// take a look at the name if this does happen
//
ASSERT(0);
//
// give up trying to print page file info
//
break;
}
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
Message,
&PageFileInfo->PageFileName
));
SacPutString(OutputBuffer);
LineNumber++;
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
GetMessage(SAC_TLIST_PAGEFILE_DATA),
PageFileInfo->TotalSize * (Buffer->BasicInfo.PageSize/1024),
PageFileInfo->TotalInUse * (Buffer->BasicInfo.PageSize/1024),
PageFileInfo->PeakUsage * (Buffer->BasicInfo.PageSize/1024)
));
SacPutString(OutputBuffer);
LineNumber++;
if (PageFileInfo->NextEntryOffset == 0) {
break;
}
PageFileInfo = (PSYSTEM_PAGEFILE_INFORMATION)((PCHAR)PageFileInfo + PageFileInfo->NextEntryOffset);
}
}
//
// display pmon style process output, then detailed output that includes
// per thread stuff
//
if (Buffer->ProcessInfoOffset == 0) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC PrintTlistInfo: Exiting (1).\n")));
goto PrintTListInfoCleanup;
}
OffsetIncrement = 0;
TotalOffset = 0;
SumCommit = 0;
SumWorkingSet = 0;
ProcessInfo = (PSYSTEM_PROCESS_INFORMATION)(BufferStart + Buffer->ProcessInfoOffset);
ProcessInfoStart = (PUCHAR)ProcessInfo;
do {
SumCommit += ProcessInfo->PrivatePageCount / 1024;
SumWorkingSet += ProcessInfo->WorkingSetSize / 1024;
OffsetIncrement = ProcessInfo->NextEntryOffset;
TotalOffset += OffsetIncrement;
ProcessInfo = (PSYSTEM_PROCESS_INFORMATION)(ProcessInfoStart +TotalOffset);
} while( OffsetIncrement != 0 );
SumWorkingSet += Buffer->FileCache.CurrentSize/1024;
if (LineNumber > 17) {
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
}
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
GetMessage(SAC_TLIST_MEMORY1_DATA),
Buffer->BasicInfo.NumberOfPhysicalPages * (Buffer->BasicInfo.PageSize/1024),
Buffer->PerfInfo.AvailablePages * (Buffer->BasicInfo.PageSize/1024),
SumWorkingSet,
(Buffer->PerfInfo.ResidentSystemCodePage + Buffer->PerfInfo.ResidentSystemDriverPage) *
(Buffer->BasicInfo.PageSize/1024),
(Buffer->PerfInfo.ResidentPagedPoolPage) * (Buffer->BasicInfo.PageSize/1024)
));
SacPutString(OutputBuffer);
LineNumber += 2;
if (LineNumber > 18) {
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
}
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
GetMessage(SAC_TLIST_MEMORY2_DATA),
Buffer->PerfInfo.CommittedPages * (Buffer->BasicInfo.PageSize/1024),
SumCommit,
Buffer->PerfInfo.CommitLimit * (Buffer->BasicInfo.PageSize/1024),
Buffer->PerfInfo.PeakCommitment * (Buffer->BasicInfo.PageSize/1024),
Buffer->PerfInfo.NonPagedPoolPages * (Buffer->BasicInfo.PageSize/1024),
Buffer->PerfInfo.PagedPoolPages * (Buffer->BasicInfo.PageSize/1024)
));
SacPutString(OutputBuffer);
LineNumber++;
if (LineNumber > 18) {
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
}
SacPutSimpleMessage(SAC_ENTER);
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
SacPutSimpleMessage( SAC_TLIST_PROCESS1_HEADER );
LineNumber++;
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
GetMessage( SAC_TLIST_PROCESS2_HEADER ),
Buffer->FileCache.CurrentSize/1024,
Buffer->FileCache.PageFaultCount
));
SacPutString(OutputBuffer);
LineNumber++;
OffsetIncrement = 0;
TotalOffset = 0;
ProcessInfo = (PSYSTEM_PROCESS_INFORMATION)(BufferStart + Buffer->ProcessInfoOffset);
do {
RtlTimeToElapsedTimeFields(&ProcessInfo->UserTime, &UserTime);
RtlTimeToElapsedTimeFields(&ProcessInfo->KernelTime, &KernelTime);
Process.Buffer = NULL;
if (ProcessInfo->UniqueProcessId == 0) {
RtlInitUnicodeString( &Process, L"Idle Process" );
} else if (!ProcessInfo->ImageName.Buffer) {
RtlInitUnicodeString( &Process, L"System" );
}
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
GetMessage( SAC_TLIST_PROCESS1_DATA ),
UserTime.Hour,
UserTime.Minute,
UserTime.Second,
UserTime.Milliseconds,
KernelTime.Hour,
KernelTime.Minute,
KernelTime.Second,
KernelTime.Milliseconds,
ProcessInfo->WorkingSetSize / 1024,
ProcessInfo->PageFaultCount,
ProcessInfo->PrivatePageCount / 1024,
ProcessInfo->BasePriority,
ProcessInfo->HandleCount,
ProcessInfo->NumberOfThreads,
HandleToUlong(ProcessInfo->UniqueProcessId),
Process.Buffer ? &Process : &ProcessInfo->ImageName
));
SacPutString(OutputBuffer);
LineNumber++;
if( wcslen( OutputBuffer ) >= 80 ) {
//
// We line-wrapped, so include the additional line in our running-count.
//
LineNumber++;
}
//
// update the position in the process list before we check to see if we need
// to prompt for more. This way, if we are done, we don't prompt.
//
OffsetIncrement = ProcessInfo->NextEntryOffset;
TotalOffset += OffsetIncrement;
ProcessInfo = (PSYSTEM_PROCESS_INFORMATION)(ProcessInfoStart + TotalOffset);
//
// if there are more records and we have displayed a screen's worth of data
// Prompt for more and reset the line counter
//
if (( OffsetIncrement != 0 ) && (LineNumber > 18)) {
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
if (GlobalPagingNeeded) {
SacPutSimpleMessage( SAC_TLIST_PROCESS1_HEADER );
}
LineNumber++;
}
} while( OffsetIncrement != 0 );
if (!GlobalDoThreads) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC PrintTlistInfo: Exiting (2).\n")));
goto PrintTListInfoCleanup;
}
//
// Beginning of normal old style pstat output
//
TotalOffset = 0;
OffsetIncrement = 0;
ProcessInfo = (PSYSTEM_PROCESS_INFORMATION)(BufferStart + Buffer->ProcessInfoOffset);
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
SacPutSimpleMessage(SAC_ENTER);
LineNumber++;
do {
Process.Buffer = NULL;
if (ProcessInfo->UniqueProcessId == 0) {
RtlInitUnicodeString( &Process, L"Idle Process" );
} else if (!ProcessInfo->ImageName.Buffer) {
RtlInitUnicodeString( &Process, L"System" );
}
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
GetMessage(SAC_TLIST_PSTAT_HEADER),
HandleToUlong(ProcessInfo->UniqueProcessId),
ProcessInfo->BasePriority,
ProcessInfo->HandleCount,
ProcessInfo->PageFaultCount,
ProcessInfo->WorkingSetSize / 1024,
Process.Buffer ? &Process : &ProcessInfo->ImageName
));
SacPutString(OutputBuffer);
LineNumber++;
if( wcslen( OutputBuffer ) >= 80 ) {
//
// We line-wrapped, so include the additional line in our running-count.
//
LineNumber++;
}
if (LineNumber > 18) {
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
}
i = 0;
ThreadInfo = (PSYSTEM_THREAD_INFORMATION)(ProcessInfo + 1);
if (ProcessInfo->NumberOfThreads) {
if ((LineNumber < 18) || !GlobalPagingNeeded) {
SacPutSimpleMessage( SAC_TLIST_PSTAT_THREAD_HEADER );
LineNumber++;
} else {
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
}
}
while (i < ProcessInfo->NumberOfThreads) {
RtlTimeToElapsedTimeFields ( &ThreadInfo->UserTime, &UserTime);
RtlTimeToElapsedTimeFields ( &ThreadInfo->KernelTime, &KernelTime);
SAFE_SWPRINTF(
OutputBufferSize,
(OutputBuffer,
GetMessage( SAC_TLIST_PSTAT_THREAD_DATA ),
ProcessInfo->UniqueProcessId == 0 ? 0 : HandleToUlong(ThreadInfo->ClientId.UniqueThread),
ProcessInfo->UniqueProcessId == 0 ? 0 : ThreadInfo->Priority,
ThreadInfo->ContextSwitches,
ProcessInfo->UniqueProcessId == 0 ? 0 : ThreadInfo->StartAddress,
UserTime.Hour,
UserTime.Minute,
UserTime.Second,
UserTime.Milliseconds,
KernelTime.Hour,
KernelTime.Minute,
KernelTime.Second,
KernelTime.Milliseconds,
StateTable[ThreadInfo->ThreadState],
(ThreadInfo->ThreadState == 5) ? WaitTable[ThreadInfo->WaitReason] : Empty
));
SacPutString(OutputBuffer);
LineNumber++;
if( wcslen( OutputBuffer ) >= 80 ) {
//
// We line-wrapped, so include the additional line in our running-count.
//
LineNumber++;
}
if (LineNumber > 18) {
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
if (GlobalPagingNeeded) {
SacPutSimpleMessage( SAC_TLIST_PSTAT_THREAD_HEADER );
}
LineNumber++;
}
ThreadInfo += 1;
i += 1;
}
OffsetIncrement = ProcessInfo->NextEntryOffset;
TotalOffset += OffsetIncrement;
ProcessInfo = (PSYSTEM_PROCESS_INFORMATION)(ProcessInfoStart + TotalOffset);
SacPutSimpleMessage(SAC_ENTER);
LineNumber++;
if (LineNumber > 18) {
PutMore(&Stop);
if (Stop) {
goto PrintTListInfoCleanup;
}
LineNumber = 0;
}
} while( OffsetIncrement != 0 );
PrintTListInfoCleanup:
SAFE_FREE_POOL(&OutputBuffer);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC PrintTlistInfo: Exiting.\n")));
}
VOID
PutMore(
OUT PBOOLEAN Stop
)
{
#if 0
PHEADLESS_RSP_GET_LINE Response;
UCHAR Buffer[20];
SIZE_T Length;
#endif
LARGE_INTEGER WaitTime;
NTSTATUS Status;
UCHAR ch;
#if 0
ASSERT(sizeof(HEADLESS_RSP_GET_LINE) <= (sizeof(UCHAR) * 20));
#endif
//
// Default: we will not stop paging
//
*Stop = FALSE;
//
// If paging is enabled,
// then wait for user input
//
if (GlobalPagingNeeded) {
WaitTime.QuadPart = Int32x32To64((LONG)100, -1000); // 100ms from now.
//
// Prompt for user input
//
SacPutSimpleMessage( SAC_MORE_MESSAGE );
while (! *Stop) {
//
// Query the serial port buffer
//
Status = SerialBufferGetChar(&ch);
//
// wait if there are no characters
//
if (Status == STATUS_NO_DATA_DETECTED) {
KeDelayExecutionThread(KernelMode, FALSE, &WaitTime);
continue;
}
//
// if the user input a ctrl-c,
// then stop paging
//
if (ch == 0x3) { // Control-C
*Stop = TRUE;
}
//
// if we get a CR || LF,
// then continue to the next page
//
if (ch == 0x0D || ch == 0x0A) {
break;
}
}
#if 0
Response = (PHEADLESS_RSP_GET_LINE)&(Buffer[0]);
Length = sizeof(UCHAR) * 20;
Status = HeadlessDispatch(HeadlessCmdGetLine,
NULL,
0,
Response,
&Length
);
while (NT_SUCCESS(Status) && !Response->LineComplete) {
KeDelayExecutionThread(KernelMode, FALSE, &WaitTime);
Length = sizeof(UCHAR) * 20;
Status = HeadlessDispatch(HeadlessCmdGetLine,
NULL,
0,
Response,
&Length
);
}
if (Response->Buffer[0] == 0x3) { // Control-C
*Stop = TRUE;
} else {
*Stop = FALSE;
}
//
// Drain any remaining buffered input
//
Length = sizeof(UCHAR) * 20;
Status = HeadlessDispatch(HeadlessCmdGetLine,
NULL,
0,
Response,
&Length
);
while (NT_SUCCESS(Status) && Response->LineComplete) {
Length = sizeof(UCHAR) * 20;
Status = HeadlessDispatch(HeadlessCmdGetLine,
NULL,
0,
Response,
&Length
);
}
#endif
} else {
*Stop = FALSE;
}
}
NTSTATUS
CallQueryIPIOCTL(
HANDLE IpDeviceHandle,
PKEVENT Event,
HANDLE EventHandle,
IO_STATUS_BLOCK *IoStatusBlock,
PVOID InputBuffer,
ULONG InputBufferSize,
PVOID OutputBuffer,
ULONG OutputBufferSize,
BOOLEAN PrintToTerminal,
BOOLEAN *putPrompt
)
{
NTSTATUS Status;
LARGE_INTEGER TimeOut;
//
// Submit the IOCTL
//
Status = NtDeviceIoControlFile(IpDeviceHandle,
EventHandle,
NULL,
NULL,
IoStatusBlock,
IOCTL_TCP_QUERY_INFORMATION_EX,
InputBuffer,
InputBufferSize,
OutputBuffer,
OutputBufferSize);
if (Status == STATUS_PENDING) {
//
// Wait up to 30 seconds for it to finish
//
if (PrintToTerminal != FALSE) {
SacPutSimpleMessage( SAC_ENTER );
SacPutSimpleMessage( SAC_RETRIEVING_IPADDR );
if (putPrompt) {
*putPrompt= TRUE;
}
}
TimeOut.QuadPart = Int32x32To64((LONG)30000, -1000);
Status = KeWaitForSingleObject((PVOID)Event, Executive, KernelMode, FALSE, &TimeOut);
if (NT_SUCCESS(Status)) {
Status = IoStatusBlock->Status;
}
}
return(Status);
}
VOID
DoGetNetInfo(
BOOLEAN PrintToTerminal
)
/*++
Routine Description:
This routine attempts to get and print every IP net number and its IP
address.
Arguments:
PrintToTerminal - Determines if the IP information is printed ( == TRUE )
Or sent to the kernel ( == FALSE )
Return Value:
None.
--*/
{
NTSTATUS Status;
HANDLE Handle;
ULONG i, j;
IO_STATUS_BLOCK IoStatusBlock;
UNICODE_STRING UnicodeString;
OBJECT_ATTRIBUTES ObjectAttributes;
PTCP_REQUEST_QUERY_INFORMATION_EX TcpRequestQueryInformationEx;
IPAddrEntry *AddressEntry,*AddressArray;
IPSNMPInfo *IpsiInfo;
IPRouteEntry *RouteTable;
ULONG Gateway;
PHEADLESS_CMD_SET_BLUE_SCREEN_DATA LocalPropBuffer = NULL;
PVOID LocalBuffer;
PUCHAR pch = NULL;
ULONG len;
BOOLEAN putPrompt=FALSE;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoGetNetInfo: Entering.\n")));
//
// Alloc space for calling the IP driver
//
TcpRequestQueryInformationEx = ALLOCATE_POOL(
sizeof(TCP_REQUEST_QUERY_INFORMATION_EX),
GENERAL_POOL_TAG );
if (TcpRequestQueryInformationEx == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoGetNetInfo: Exiting (1).\n")));
return;
}
IpsiInfo = ALLOCATE_POOL( sizeof(IPSNMPInfo),
GENERAL_POOL_TAG );
if (IpsiInfo == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoGetNetInfo: Exiting (1).\n")));
FREE_POOL(&TcpRequestQueryInformationEx);
return;
}
//
// zero out the context information and preload with the info we're gonna
// request (we want the count of interfaces)
//
TcpRequestQueryInformationEx->ID.toi_id = IP_MIB_STATS_ID;
TcpRequestQueryInformationEx->ID.toi_type = INFO_TYPE_PROVIDER;
TcpRequestQueryInformationEx->ID.toi_class = INFO_CLASS_PROTOCOL;
TcpRequestQueryInformationEx->ID.toi_entity.tei_entity = CL_NL_ENTITY;
TcpRequestQueryInformationEx->ID.toi_entity.tei_instance = 0;
LocalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (LocalBuffer == NULL) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoGetNetInfo: Exiting (6).\n")));
FREE_POOL(&TcpRequestQueryInformationEx);
FREE_POOL(&IpsiInfo);
return;
}
//
// Start by opening the TCP driver
//
RtlInitUnicodeString(&UnicodeString, DD_TCP_DEVICE_NAME);
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = ZwOpenFile(&Handle,
(ACCESS_MASK)FILE_GENERIC_READ,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0
);
if (!NT_SUCCESS(Status)) {
if (PrintToTerminal ) {
SacPutSimpleMessage(SAC_IPADDR_FAILED);
SacPutSimpleMessage(SAC_ENTER);
}
FREE_POOL(&LocalBuffer);
FREE_POOL(&IpsiInfo);
FREE_POOL(&TcpRequestQueryInformationEx);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoGetNetInfo: Exiting (2).\n")));
return;
}
if (SACEvent == NULL) {
if (PrintToTerminal) {
SacPutSimpleMessage(SAC_IPADDR_FAILED);
}
ZwClose(Handle);
FREE_POOL(&LocalBuffer);
FREE_POOL(&IpsiInfo);
FREE_POOL(&TcpRequestQueryInformationEx);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoGetNetInfo: Exiting (14).\n")));
return;
}
//
// now call the ioctl
//
Status = CallQueryIPIOCTL(
Handle,
SACEvent,
SACEventHandle,
&IoStatusBlock,
TcpRequestQueryInformationEx,
sizeof(TCP_REQUEST_QUERY_INFORMATION_EX),
IpsiInfo,
sizeof(IPSNMPInfo),
FALSE,
&putPrompt);
if (!NT_SUCCESS(Status)) {
if (PrintToTerminal){
SacPutSimpleMessage(SAC_IPADDR_FAILED);
}
ZwClose(Handle);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (15).\n")));
FREE_POOL(&LocalBuffer);
FREE_POOL(&IpsiInfo);
FREE_POOL(&TcpRequestQueryInformationEx);
return;
}
if (IpsiInfo->ipsi_numaddr == 0) {
if (PrintToTerminal) {
SacPutSimpleMessage( SAC_IPADDR_NONE );
}
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (15).\n")));
ZwClose(Handle);
FREE_POOL(&LocalBuffer);
FREE_POOL(&IpsiInfo);
FREE_POOL(&TcpRequestQueryInformationEx);
return;
}
//
// if it succeeded, then allocate space for the array of IP addresses
//
AddressArray = ALLOCATE_POOL(IpsiInfo->ipsi_numaddr*sizeof(IPAddrEntry),
GENERAL_POOL_TAG);
if (AddressArray == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (16).\n")));
ZwClose(Handle);
FREE_POOL(&LocalBuffer);
FREE_POOL(&IpsiInfo);
FREE_POOL(&TcpRequestQueryInformationEx);
return;
}
//
// zero out the context information and preload with the info we're gonna
// request (we want information on each of the interfaces on this machine)
//
RtlZeroMemory(TcpRequestQueryInformationEx, sizeof(TCP_REQUEST_QUERY_INFORMATION_EX));
TcpRequestQueryInformationEx->ID.toi_id = IP_MIB_ADDRTABLE_ENTRY_ID;
TcpRequestQueryInformationEx->ID.toi_type = INFO_TYPE_PROVIDER;
TcpRequestQueryInformationEx->ID.toi_class = INFO_CLASS_PROTOCOL;
TcpRequestQueryInformationEx->ID.toi_entity.tei_entity = CL_NL_ENTITY;
TcpRequestQueryInformationEx->ID.toi_entity.tei_instance = 0;
Status = CallQueryIPIOCTL(
Handle,
SACEvent,
SACEventHandle,
&IoStatusBlock,
TcpRequestQueryInformationEx,
sizeof(TCP_REQUEST_QUERY_INFORMATION_EX),
AddressArray,
IpsiInfo->ipsi_numaddr*sizeof(IPAddrEntry),
PrintToTerminal,
&putPrompt);
if (!NT_SUCCESS(Status)) {
if (PrintToTerminal){
SacPutSimpleMessage(SAC_IPADDR_FAILED);
SAC_PUT_ERROR_STRING(Status);
}
FREE_POOL(&TcpRequestQueryInformationEx);
ZwClose(Handle);
FREE_POOL(&LocalBuffer);
FREE_POOL(&AddressArray);
FREE_POOL(&IpsiInfo);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (15).\n")));
return;
}
//
// Load the route table information too so we can display the gateway for
// each NIC.
//
RouteTable = ALLOCATE_POOL(IpsiInfo->ipsi_numroutes*sizeof(IPRouteEntry),
GENERAL_POOL_TAG);
if (RouteTable == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (14).\n")));
ZwClose(Handle);
FREE_POOL(&LocalBuffer);
FREE_POOL(&IpsiInfo);
FREE_POOL(&TcpRequestQueryInformationEx);
FREE_POOL(&AddressArray);
return;
}
//
// zero out the context information and preload with the info we're gonna
// request (we want routing information on each of the interfaces)
//
RtlZeroMemory(TcpRequestQueryInformationEx, sizeof(TCP_REQUEST_QUERY_INFORMATION_EX));
TcpRequestQueryInformationEx->ID.toi_id = IP_MIB_RTTABLE_ENTRY_ID;
TcpRequestQueryInformationEx->ID.toi_type = INFO_TYPE_PROVIDER;
TcpRequestQueryInformationEx->ID.toi_class = INFO_CLASS_PROTOCOL;
TcpRequestQueryInformationEx->ID.toi_entity.tei_entity = CL_NL_ENTITY;
TcpRequestQueryInformationEx->ID.toi_entity.tei_instance = 0;
Status = CallQueryIPIOCTL(
Handle,
SACEvent,
SACEventHandle,
&IoStatusBlock,
TcpRequestQueryInformationEx,
sizeof(TCP_REQUEST_QUERY_INFORMATION_EX),
RouteTable,
IpsiInfo->ipsi_numroutes*sizeof(IPRouteEntry),
PrintToTerminal,
&putPrompt);
if (!NT_SUCCESS(Status)) {
if (PrintToTerminal){
SacPutSimpleMessage(SAC_IPADDR_FAILED);
SAC_PUT_ERROR_STRING(Status);
}
FREE_POOL(&TcpRequestQueryInformationEx);
ZwClose(Handle);
FREE_POOL(&LocalBuffer);
FREE_POOL(&AddressArray);
FREE_POOL(&RouteTable);
FREE_POOL(&IpsiInfo);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoSetIpAddressCommand: Exiting (15).\n")));
return;
}
//
// Need to allocate a buffer for the XML data.
//
if(PrintToTerminal==FALSE) {
LocalPropBuffer = (PHEADLESS_CMD_SET_BLUE_SCREEN_DATA) ALLOCATE_POOL(2*MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (LocalPropBuffer == NULL) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoGetNetInfo: Exiting (6).\n")));
FREE_POOL(&AddressArray);
FREE_POOL(&RouteTable);
FREE_POOL(&LocalBuffer);
FREE_POOL(&IpsiInfo);
FREE_POOL(&TcpRequestQueryInformationEx);
ZwClose(Handle);
return;
}
pch = &(LocalPropBuffer->Data[0]);
len = sprintf((LPSTR)pch,"IPADDRESS");
LocalPropBuffer->ValueIndex = len+1;
pch = pch+len+1;
len = sprintf((LPSTR)pch,"\r\n<PROPERTY.ARRAY NAME=\"IPADDRESS\" TYPE=\"string\">\r\n");
pch = pch + len;
len = sprintf((LPSTR)pch,"<VALUE.ARRAY>\r\n");
pch = pch + len;
}
//
// walk the list of IP addresses and spit out the data
//
for (i = 0; i < IpsiInfo->ipsi_numaddr; i++) {
AddressEntry = &AddressArray[i];
if (IP_LOOPBACK(AddressEntry->iae_addr)) {
continue;
}
//
// We need to find which gateway pertains to this
// interface. The only way to do that is go dig
// through the list of gateway addresses and see
// if we can find one for this IP address and mask.
//
Gateway = 0;
for( j = 0; j < IpsiInfo->ipsi_numroutes; j++ ) {
//
// See if we can match masks on the IP address
// and the gateway.
//
if( (AddressEntry->iae_addr != 0) &&
(AddressEntry->iae_mask != 0) &&
((AddressEntry->iae_addr & AddressEntry->iae_mask) ==
(RouteTable[j].ire_nexthop & AddressEntry->iae_mask)) ) {
// We found a match. Remember it and exit.
Gateway = RouteTable[j].ire_nexthop;
break;
}
}
if( Gateway == 0 ) {
//
// We failed to find a gateway. Look again, this time
// see if we can get an exact match between the IP address
// and the gateway.
//
for( j = 0; j < IpsiInfo->ipsi_numroutes; j++ ) {
if( RouteTable[j].ire_nexthop == AddressEntry->iae_addr ) {
// We found a match. Remember it and exit.
Gateway = RouteTable[j].ire_nexthop;
break;
}
}
}
if(PrintToTerminal){
swprintf(LocalBuffer,
GetMessage( SAC_IPADDR_DATA ),
//
// Interface number.
//
AddressEntry->iae_context,
//
// IP address.
//
AddressEntry->iae_addr & 0xFF,
(AddressEntry->iae_addr >> 8) & 0xFF,
(AddressEntry->iae_addr >> 16) & 0xFF,
(AddressEntry->iae_addr >> 24) & 0xFF,
//
// Subnet mask.
//
AddressEntry->iae_mask & 0xFF,
(AddressEntry->iae_mask >> 8) & 0xFF,
(AddressEntry->iae_mask >> 16) & 0xFF,
(AddressEntry->iae_mask >> 24) & 0xFF,
//
// Gateway address.
//
Gateway & 0xFF,
(Gateway >> 8) & 0xFF,
(Gateway >> 16) & 0xFF,
(Gateway >> 24) & 0xFF
);
SacPutString(LocalBuffer);
} else {
len=sprintf((LPSTR)LocalBuffer,"<VALUE>\"%d.%d.%d.%d\"</VALUE>\r\n",
AddressEntry->iae_addr & 0xFF,
(AddressEntry->iae_addr >> 8) & 0xFF,
(AddressEntry->iae_addr >> 16) & 0xFF,
(AddressEntry->iae_addr >> 24) & 0xFF
);
if (pch + len < ((PUCHAR) LocalPropBuffer) + 2*MEMORY_INCREMENT - 80){
// the 80 characters ensures that we can end this XML data
// properly
strcat((LPSTR)pch,LocalBuffer);
pch = pch + len;
}
}
}
if(PrintToTerminal==FALSE) {
sprintf((LPSTR)pch, "</VALUE.ARRAY>\r\n</PROPERTY.ARRAY>");
}
FREE_POOL(&TcpRequestQueryInformationEx);
ZwClose(Handle); // handle to the TCP driver.
FREE_POOL(&LocalBuffer);
FREE_POOL(&AddressArray);
FREE_POOL(&RouteTable);
FREE_POOL(&IpsiInfo);
if(!PrintToTerminal){
HeadlessDispatch(HeadlessCmdSetBlueScreenData,
LocalPropBuffer,
2*MEMORY_INCREMENT,
NULL,
NULL
);
FREE_POOL(&LocalPropBuffer);
//
// open up the IP driver so we know if the addresses change
//
RtlInitUnicodeString(&UnicodeString, DD_IP_DEVICE_NAME);
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = ZwOpenFile(&Handle,
(ACCESS_MASK)FILE_GENERIC_READ,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0
);
if (!NT_SUCCESS(Status)) {
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoGetNetInfo: Exiting (2).\n")));
return;
}
Status = ZwDeviceIoControlFile(Handle,
NULL,
NetAPCRoutine,
NULL,
&GlobalIoStatusBlock,
IOCTL_IP_ADDCHANGE_NOTIFY_REQUEST,
NULL,
0,
NULL,
0
);
if (Status == STATUS_PENDING) {
IoctlSubmitted = TRUE;
}
if (putPrompt) {
SacPutSimpleMessage(SAC_ENTER);
SacPutSimpleMessage(SAC_PROMPT);
}
ZwClose(Handle);
}
return;
}
VOID
NetAPCRoutine(IN PVOID ApcContext,
IN PIO_STATUS_BLOCK IoStatusBlock,
IN ULONG Reserved
)
/*++
Routine Description:
This is the APC routine called after IOCTL_IP_ADDCHANGE_NOTIFY_REQUEST
was completed
Arguments:
APCContext - UNUSED
IoStatusBlock - Status about the Fate of the IRP
Reserved - UNUSED
Return Value:
None.
--*/
{
UNREFERENCED_PARAMETER(Reserved);
UNREFERENCED_PARAMETER(ApcContext);
if (IoStatusBlock->Status == STATUS_CANCELLED) {
// The SAC driver might be unloading
// BUGBUG - If the IP driver is stopped and restarted
// then we are out of the loop. What to do ??
return;
}
// Refresh the kernel information and resend the IRP
DoGetNetInfo( FALSE );
return;
}
VOID
SubmitIPIoRequest(
)
/*++
Routine Description:
Called the first time by the Processing Thread to actually
submit the ADDR_CHANGE IOCTL to the IP Driver. Only the
processing thread can call this and calls it only once successfully.
Then on the APC is reentered only through the NetAPCRoutine
Arguments:
None.
Return Value:
None.
--*/
{
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC Submit IP Ioctl: Entering.\n")));
DoGetNetInfo( FALSE );
return;
}
VOID
CancelIPIoRequest(
)
/*++
Routine Description:
Called by the processing thread during unload of the driver
to cancel the IOCTL sent to the IP driver
Arguments:
None.
Return Value:
None.
--*/
{
IO_STATUS_BLOCK IoStatusBlock;
UNICODE_STRING UnicodeString;
OBJECT_ATTRIBUTES ObjectAttributes;
NTSTATUS Status;
HANDLE Handle;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC Cancel IP Ioctl: Entering.\n")));
RtlInitUnicodeString(&UnicodeString, DD_IP_DEVICE_NAME);
InitializeObjectAttributes(&ObjectAttributes,
&UnicodeString,
OBJ_CASE_INSENSITIVE,
NULL,
NULL
);
Status = ZwOpenFile(&Handle,
(ACCESS_MASK)FILE_GENERIC_READ,
&ObjectAttributes,
&IoStatusBlock,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0
);
if (!NT_SUCCESS(Status)) {
// Well, well IP Driver was probably never loaded.
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC Cancel IP IOCTL: Exiting (2).\n")));
return;
}
ZwCancelIoFile(Handle,
&IoStatusBlock
);
ZwClose(Handle);
}
VOID
DoMachineInformationCommand(
VOID
)
/*++
Routine Description:
This function displays the contents of a buffer, which in turn contains
a bunch of machine-specific information that can be used to help identify
the machine.
Arguments:
None.
Return Value:
None.
--*/
{
LARGE_INTEGER TickCount;
LARGE_INTEGER ElapsedTime;
ULONG ElapsedHours = 0;
ULONG ElapsedMinutes = 0;
ULONG ElapsedSeconds = 0;
ULONG TmpBufferSize;
PWSTR TmpBuffer;
PWSTR MIBuffer;
NTSTATUS Status;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC Display Machine Information: Entering.\n")));
//
// If the information buffer hasn't been filled in yet, there's not much we can do.
//
if( MachineInformation == NULL ) {
//
// He's empty. This shouldn't have happened though because
// he gets filled as soon as we're initialized.
//
IF_SAC_DEBUG( SAC_DEBUG_FUNC_TRACE_LOUD,
KdPrint(("SAC Display Machine Information: MachineInformationBuffer hasn't been initialized yet.\n")));
SacPutSimpleMessage(SAC_IDENTIFICATION_UNAVAILABLE);
return;
}
//
// Get machine information
//
Status = TranslateMachineInformationText(&MIBuffer);
if (! NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_IDENTIFICATION_UNAVAILABLE);
return;
}
//
// Display the machine info portion
//
SacPutString(MIBuffer);
FREE_POOL(&MIBuffer);
//
// Build and display Elapsed machine uptime.
//
// Elapsed TickCount
KeQueryTickCount( &TickCount );
// ElapsedTime in seconds.
// ElapsedTime.QuadPart = (TickCount.QuadPart)/(10000000/KeQueryTimeIncrement());
ElapsedTime.QuadPart = (TickCount.QuadPart * KeQueryTimeIncrement()) / 10000000;
ElapsedHours = (ULONG)(ElapsedTime.QuadPart / 3600);
ElapsedMinutes = (ULONG)(ElapsedTime.QuadPart % 3600) / 60;
ElapsedSeconds = (ULONG)(ElapsedTime.QuadPart % 3600) % 60;
TmpBufferSize = 0x100;
TmpBuffer = (PWSTR)ALLOCATE_POOL( TmpBufferSize, GENERAL_POOL_TAG );
if( TmpBuffer ) {
SAFE_SWPRINTF(
TmpBufferSize,
((PWSTR)TmpBuffer,
GetMessage( SAC_HEARTBEAT_FORMAT ),
ElapsedHours,
ElapsedMinutes,
ElapsedSeconds
));
//
// Display machine uptime
//
SacPutString((PWSTR)TmpBuffer);
FREE_POOL(&TmpBuffer);
}
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE,
KdPrint(("SAC Display Machine Information: Exiting.\n")));
return;
}
NTSTATUS
DoChannelListCommand(
VOID
)
/*++
Routine Description:
This routine lists the channels.
Arguments:
None.
Return Value:
Status
--*/
{
NTSTATUS Status;
PSAC_CHANNEL Channel;
ULONG i;
PWCHAR Buffer;
ULONG BufferSize;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelListCommand: Entering.\n")));
//
// Allocate local memory
//
BufferSize = 8 * sizeof(WCHAR);
Buffer = ALLOCATE_POOL(BufferSize, GENERAL_POOL_TAG);
ASSERT_STATUS(Buffer, STATUS_NO_MEMORY);
//
// default: we listed the channels
//
Status = STATUS_SUCCESS;
//
// List all the channels
//
SacPutSimpleMessage(SAC_CHANNEL_PROMPT);
//
// Iterate through the channels and display the attributes
// of the active channels
//
for (i = 0; i < MAX_CHANNEL_COUNT; i++) {
PWSTR Name;
SAC_CHANNEL_STATUS ChannelStatus;
//
// Query the channel manager for a list of all currently active channels
//
Status = ChanMgrGetByIndex(
i,
&Channel
);
//
// skip empty slots
//
if (Status == STATUS_NOT_FOUND) {
continue;
}
if (! NT_SUCCESS(Status)) {
break;
}
ASSERT(Channel != NULL);
//
// Get the channel's status
//
ChannelGetStatus(
Channel,
&ChannelStatus
);
//
// construct channel attribute information
//
SAFE_SWPRINTF(
BufferSize,
(Buffer, L"%1d (%s%s)",
ChannelGetIndex(Channel),
(ChannelStatus == ChannelStatusInactive) ? L"I" : L"A",
((ChannelGetType(Channel) == ChannelTypeVTUTF8) ||
(ChannelGetType(Channel) == ChannelTypeCmd)
) ? L"V" : L"R"
));
SacPutString(Buffer);
SacPutString(L" ");
ChannelGetName(
Channel,
&Name
);
SacPutString(Name);
FREE_POOL(&Name);
SacPutString(L"\r\n");
//
// We are done with the channel
//
Status = ChanMgrReleaseChannel(Channel);
if (! NT_SUCCESS(Status)) {
break;
}
}
ASSERT(Buffer);
FREE_POOL(&Buffer);
return Status;
}
NTSTATUS
DoChannelCloseByNameCommand(
PCSTR ChannelName
)
/*++
Routine Description:
This routine closes the channel of the given name.
Arguments:
ChannelName - the name of the channel to close
Return Value:
Status
--*/
{
NTSTATUS Status;
PSAC_CHANNEL Channel;
ULONG Count;
PWSTR Name;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCloseCommand: Entering.\n")));
//
// Allocate local memory
//
Name = ALLOCATE_POOL(SAC_MAX_CHANNEL_NAME_SIZE, GENERAL_POOL_TAG);
ASSERT_STATUS(Name, STATUS_NO_MEMORY);
//
// Copy the ASCII to Unicode
//
Count = ConvertAnsiToUnicode(Name, (PSTR)ChannelName, SAC_MAX_CHANNEL_NAME_LENGTH+1);
ASSERT_STATUS(Count > 0, STATUS_INVALID_PARAMETER);
//
// Attempt to find the specified channel
//
Status = ChanMgrGetChannelByName(
Name,
&Channel
);
if (NT_SUCCESS(Status)) {
do {
//
// If the user is trying to close the SAC channel,
// then report an error message to the user and fail
//
if (ConMgrIsSacChannel(Channel)) {
//
// tell the user they can't delete the SAC channel
//
SacPutSimpleMessage(SAC_CANNOT_REMOVE_SAC_CHANNEL);
Status = STATUS_UNSUCCESSFUL;
break;
}
//
// we currently own the current channel lock.
// hence, since closing a channel results in a call to the
// channel IO Manager, we will get into a deadlock
// over the current channel lock.
// so we can do this after we get out of the consumer loop
//
ExecutePostConsumerCommand = CloseChannel;
ExecutePostConsumerCommandData = (PVOID)Channel;
} while ( FALSE );
} else {
//
// We couldn't find the channel to close
//
SacPutSimpleMessage(SAC_CHANNEL_NOT_FOUND);
}
SAFE_FREE_POOL(&Name);
return Status;
}
NTSTATUS
DoChannelCloseByIndexCommand(
ULONG ChannelIndex
)
/*++
Routine Description:
This routine closes the channel with the specified index
Arguments:
ChannelName - the name of the channel
Return Value:
Status
--*/
{
NTSTATUS Status;
PSAC_CHANNEL Channel;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelSwitchByIndexCommand: Entering.\n")));
ASSERT_STATUS(ChannelIndex < MAX_CHANNEL_COUNT, STATUS_INVALID_PARAMETER);
do {
//
// Attempt to get the new current channel by index.
// If we are successful, we need to keep a reference
// count on the new current channel since we hold
// it until we switch away.
//
Status = ChanMgrGetByIndex(
ChannelIndex,
&Channel
);
if (! NT_SUCCESS(Status)) {
//
// We couldn't find the channel
//
SacPutSimpleMessage(SAC_CHANNEL_NOT_FOUND_AT_INDEX);
break;
}
//
// If the user is trying to close the SAC channel,
// then report an error message to the user and fail
//
if (ConMgrIsSacChannel(Channel)) {
//
// tell the user they can't delete the SAC channel
//
SacPutSimpleMessage(SAC_CANNOT_REMOVE_SAC_CHANNEL);
Status = STATUS_UNSUCCESSFUL;
break;
}
//
// we currently own the current channel lock.
// hence, since closing a channel results in a call to the
// channel IO Manager, we will get into a deadlock
// over the current channel lock.
// so we can do this after we get out of the consumer loop
//
ExecutePostConsumerCommand = CloseChannel;
ExecutePostConsumerCommandData = (PVOID)Channel;
} while ( FALSE );
return Status;
}
NTSTATUS
DoChannelSwitchByNameCommand(
PCSTR ChannelName
)
/*++
Routine Description:
This routine switchs to the channel with the specified name.
Arguments:
ChannelName - the name of the channel
Return Value:
Status
--*/
{
NTSTATUS Status;
PSAC_CHANNEL Channel;
ULONG Count;
PWSTR Name;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelSwitchByNameCommand: Entering.\n")));
//
// Allocate local memory
//
Name = ALLOCATE_POOL(SAC_MAX_CHANNEL_NAME_SIZE, GENERAL_POOL_TAG);
ASSERT_STATUS(Name, STATUS_NO_MEMORY);
//
// Copy the ASCII to Unicode
//
Count = ConvertAnsiToUnicode(Name, (PSTR)ChannelName, SAC_MAX_CHANNEL_NAME_LENGTH+1);
ASSERT_STATUS(Count > 0, STATUS_INVALID_PARAMETER);
do {
//
// Attempt to get the specified channel
//
Status = ChanMgrGetChannelByName(
Name,
&Channel
);
if (! NT_SUCCESS(Status)) {
//
// We couldn't find the channel
//
SacPutSimpleMessage(SAC_CHANNEL_NOT_FOUND);
break;
}
//
// Change the current channel to the specified channel
//
// Go from the SAC --> specified channel
//
Status = ConMgrSetCurrentChannel(Channel);
if (! NT_SUCCESS(Status)) {
break;
}
#if 0
//
// Flush the channel data to the screen
//
Status = ConMgrDisplayCurrentChannel();
#else
//
// Let the user know we switched via the Channel switching interface
//
Status = ConMgrDisplayFastChannelSwitchingInterface(Channel);
#endif
if (! NT_SUCCESS(Status)) {
break;
}
//
// Note: we DO NOT release the channel here because
// it is now the current channel
//
} while ( FALSE );
SAFE_FREE_POOL(&Name);
return Status;
}
NTSTATUS
DoChannelSwitchByIndexCommand(
ULONG ChannelIndex
)
/*++
Routine Description:
This routine switchs to the channel with the specified index
Arguments:
ChannelName - the name of the channel
Return Value:
Status
--*/
{
NTSTATUS Status;
PSAC_CHANNEL Channel;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelSwitchByIndexCommand: Entering.\n")));
ASSERT_STATUS(ChannelIndex < MAX_CHANNEL_COUNT, STATUS_INVALID_PARAMETER);
do {
//
// Attempt to get the new current channel by index.
// If we are successful, we need to keep a reference
// count on the new current channel since we hold
// it until we switch away.
//
Status = ChanMgrGetByIndex(
ChannelIndex,
&Channel
);
if (! NT_SUCCESS(Status)) {
//
// We couldn't find the channel
//
SacPutSimpleMessage(SAC_CHANNEL_NOT_FOUND_AT_INDEX);
break;
}
//
// Change the current channel to the specified channel
//
// Go from the SAC --> specified channel
//
Status = ConMgrSetCurrentChannel(Channel);
if (! NT_SUCCESS(Status)) {
break;
}
#if 0
//
// Flush the channel data to the screen
//
Status = ConMgrDisplayCurrentChannel();
#else
//
// Let the user know we switched via the Channel switching interface
//
Status = ConMgrDisplayFastChannelSwitchingInterface(Channel);
#endif
if (! NT_SUCCESS(Status)) {
break;
}
//
// Note: we DO NOT release the channel here because
// it is now the current channel
//
} while ( FALSE );
return Status;
}
VOID
DoChannelCommand(
PUCHAR InputLine
)
/*++
Routine Description:
This routine lists the channels if a NULL name is given, otw it closes the channel
of the given name.
Arguments:
InputLine - The user's input line.
Return Value:
None.
--*/
{
NTSTATUS Status;
PUCHAR pch;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCommand: Entering.\n")));
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCommand: Exiting (1).\n")));
return;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
//
// goto the sub-commmand
//
pch = InputLine;
pch += (sizeof(CHANNEL_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
//
// if we are at the end of the command, do a list
// else, try to find a sub-command
//
if (*pch == '\0') {
DoChannelListCommand();
} else {
//
// determine which sub-command we have
//
if (!strncmp((LPSTR)pch,
EXTENDED_HELP_SUBCOMMAND,
strlen(EXTENDED_HELP_SUBCOMMAND))) {
SacPutSimpleMessage(SAC_HELP_CH_CMD_EXT);
} else if (!strncmp((LPSTR)pch,
CHANNEL_CLOSE_NAME_COMMAND_STRING,
strlen(CHANNEL_CLOSE_NAME_COMMAND_STRING))) {
//
// skip the sub-command and determine which channel to close
//
pch += (sizeof(CHANNEL_CLOSE_NAME_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (*pch == '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCommand: Exiting (2).\n")));
return;
}
Status = DoChannelCloseByNameCommand((PCSTR)pch);
} else if (!strncmp((LPSTR)pch,
CHANNEL_CLOSE_INDEX_COMMAND_STRING,
strlen(CHANNEL_CLOSE_INDEX_COMMAND_STRING))) {
ULONG ChannelIndex;
//
// Determine which channel to close
//
pch += (sizeof(CHANNEL_CLOSE_INDEX_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (*pch == '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCommand: Exiting (2).\n")));
return;
}
if (!IS_NUMBER(*pch)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCommand: Exiting (3).\n")));
return;
}
ChannelIndex = atoi((LPCSTR)pch);
if (ChannelIndex < MAX_CHANNEL_COUNT) {
Status = DoChannelCloseByIndexCommand(ChannelIndex);
} else {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
}
} else if (!strncmp((LPSTR)pch,
CHANNEL_SWITCH_NAME_COMMAND_STRING,
strlen(CHANNEL_SWITCH_NAME_COMMAND_STRING))) {
//
// Determine which channel to switch to
//
pch += (sizeof(CHANNEL_SWITCH_NAME_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (*pch == '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCommand: Exiting (2).\n")));
return;
}
DoChannelSwitchByNameCommand((PCSTR)pch);
} else if (!strncmp((LPSTR)pch,
CHANNEL_SWITCH_INDEX_COMMAND_STRING,
strlen(CHANNEL_SWITCH_INDEX_COMMAND_STRING))) {
ULONG ChannelIndex;
//
// Determine which channel to switch to
//
pch += (sizeof(CHANNEL_SWITCH_INDEX_COMMAND_STRING) - sizeof(UCHAR));
SKIP_WHITESPACE(pch);
if (*pch == '\0') {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCommand: Exiting (2).\n")));
return;
}
if (!IS_NUMBER(*pch)) {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelCommand: Exiting (3).\n")));
return;
}
ChannelIndex = atoi((LPCSTR)pch);
if (ChannelIndex < MAX_CHANNEL_COUNT) {
DoChannelSwitchByIndexCommand(ChannelIndex);
} else {
SacPutSimpleMessage(SAC_INVALID_PARAMETER);
}
} else if (!strncmp((LPSTR)pch,
CHANNEL_LIST_COMMAND_STRING,
strlen(CHANNEL_LIST_COMMAND_STRING))) {
DoChannelListCommand();
} else {
SacPutSimpleMessage(SAC_UNKNOWN_COMMAND);
}
}
return;
}
VOID
DoCmdCommand(
PUCHAR InputLine
)
/*++
Routine Description:
This routine launches a Command Console Channel
Arguments:
InputLine - The user's input line.
Return Value:
None.
--*/
{
NTSTATUS Status;
BOOLEAN IsFull;
UNREFERENCED_PARAMETER(InputLine);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoCmdCommand: Entering.\n")));
//
// Get the global buffer started so that we have room for error messages.
//
if (GlobalBuffer == NULL) {
GlobalBuffer = ALLOCATE_POOL(MEMORY_INCREMENT, GENERAL_POOL_TAG);
if (GlobalBuffer == NULL) {
SacPutSimpleMessage(SAC_NO_MEMORY);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoCmdCommand: Exiting (1).\n")));
return;
}
GlobalBufferSize = MEMORY_INCREMENT;
}
//
// Ensure that it is possible to add another channel before
// launching a cmd session.
//
Status = ChanMgrIsFull(&IsFull);
if (!NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_CMD_SERVICE_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoCmdCommand: Exiting (2).\n")));
return;
}
if (IsFull) {
//
// Notify the user
//
SacPutSimpleMessage(SAC_CMD_CHAN_MGR_IS_FULL);
return;
}
KeWaitForMutexObject(
&SACCmdEventInfoMutex,
Executive,
KernelMode,
FALSE,
NULL
);
//
// Before we do anything with the cmd operation, make sure
// the user-mode service has registered itself with us. If not,
// then there is no point in going further.
//
if (!UserModeServiceHasRegisteredCmdEvent()) {
//
// inform the user
//
SacPutSimpleMessage(SAC_CMD_SERVICE_NOT_REGISTERED);
goto DoCmdCommandCleanup;
}
//
// Fire the event in the user-mode app that is responsible for launching
// the cmd console channel
//
Status = InvokeUserModeService();
if (Status == STATUS_TIMEOUT) {
//
// Service didn't respond in Timeout period.
// Service may not be working properly or usermode is unresponsive
//
SacPutSimpleMessage(SAC_CMD_SERVICE_TIMED_OUT);
} else if (NT_SUCCESS(Status)) {
SacPutSimpleMessage(SAC_CMD_SERVICE_SUCCESS);
} else {
//
// Error condition
//
SacPutSimpleMessage(SAC_CMD_SERVICE_FAILURE);
SAC_PUT_ERROR_STRING(Status);
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoCmdCommand: Error %X.\n", Status)));
}
DoCmdCommandCleanup:
KeReleaseMutex(&SACCmdEventInfoMutex, FALSE);
}
#if ENABLE_CHANNEL_LOCKING
VOID
DoLockCommand(
VOID
)
/*++
Routine Description:
Arguments:
None.
Return Value:
None.
--*/
{
NTSTATUS Status;
PSAC_CHANNEL Channel;
ULONG i;
IF_SAC_DEBUG(SAC_DEBUG_FUNC_TRACE, KdPrint(("SAC DoChannelLockCommand: Entering.\n")));
//
// Iterate through the channels via the channel manager
// and fire the lock events
//
//
// default: we listed the channels
//
Status = STATUS_SUCCESS;
//
// Iterate through the channels and display the attributes
// of the active channels
//
for (i = 0; i < MAX_CHANNEL_COUNT; i++) {
//
// Query the channel manager for a list of all currently active channels
//
Status = ChanMgrGetByIndex(
i,
&Channel
);
//
// skip empty slots
//
if (Status == STATUS_NOT_FOUND) {
continue;
}
if (! NT_SUCCESS(Status)) {
break;
}
ASSERT(Channel != NULL);
//
// If the channel has a lock event,
// then fire it
//
if (ChannelHasLockEvent(Channel)) {
Status = ChannelSetLockEvent(Channel);
if (! NT_SUCCESS(Status)) {
break;
}
}
//
// We are done with the channel
//
Status = ChanMgrReleaseChannel(Channel);
if (! NT_SUCCESS(Status)) {
break;
}
}
//
// notify the SAC user that the lock
//
SacPutSimpleMessage(SAC_CMD_CHANNELS_LOCKED);
}
#endif
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