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windows-nt/Source/XPSP1/NT/net/mmc/wins/verify.c

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2020-09-26 03:20:57 -05:00
/**********************************************************************/
/** Microsoft Windows/NT **/
/** Copyright(c) Microsoft Corporation, 1997 - 1999 -99 **/
/**********************************************************************/
/*
verify.c
Comment goes here
FILE HISTORY:
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "tchar.h"
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <wtypes.h>
#include <fcntl.h>
#include <ctype.h>
#include <windows.h>
#include <windowsx.h>
#include <tdi.h>
#include <winsock.h>
#include <wsahelp.h>
#include <nameser.h>
#include <resolve.h>
#include <nb30.h>
#include <nbtioctl.h>
#define WINS_CLIENT_APIS
#include "winsintf.h"
#include "resource.h"
#include "verify.h"
//
// The format of Adapter Status responses
//
typedef struct
{
ADAPTER_STATUS AdapterInfo;
NAME_BUFFER Names[32];
} tADAPTERSTATUS;
#define WINSTEST_FOUND 0
#define WINSTEST_NOT_FOUND 1
#define WINSTEST_NO_RESPONSE 2
#define WINSTEST_VERIFIED 0
#define WINSTEST_OUT_OF_MEMORY 3
#define WINSTEST_BAD_IP_ADDRESS 4
#define WINSTEST_HOST_NOT_FOUND 5
#define WINSTEST_NOT_VERIFIED 6
#define WINSTEST_INVALID_ARG 7
#define WINSTEST_OPEN_FAILED 8
TCHAR *messages[] = {
L"success",
L"name not found",
L"no response",
L"out of memory",
L"bad ip address",
L"host not found",
L"host address not verified",
L"invalid argument",
L"failed to open NBT driver"
};
#define MAX_NB_NAMES 1000
#define MAX_SERVERS 1000
#define MAX_SIZE 1024
SOCKET sd;
WSADATA WsaData;
HWND g_wndDlg = NULL;
HWND g_hwndParent = NULL;
HANDLE g_hThread = NULL;
HINSTANCE g_hInstance = NULL;
HRESULT foo;
struct sockaddr_in myad;
struct sockaddr_in recvad;
int addrlen;
u_short TranID;
u_long NonBlocking = 1;
int NumWinServers = 0;
int NumNBNames = 0;
u_char * NBNames[MAX_NB_NAMES];
u_long VerifiedAddress[MAX_NB_NAMES];
//char lpResults[MAX_SIZE];
//TCHAR lpResults[MAX_SIZE];
//lpResults = (char*) malloc (64536);
WINSERVERS WinServers[MAX_SERVERS];
#define NBT_NONCODED_NMSZ 17
#define NBT_NAMESIZE 34
ULONG NetbtIpAddress;
CHAR pScope[128];
NTSTATUS
DeviceIoCtrl(
IN HANDLE fd,
IN PVOID ReturnBuffer,
IN ULONG BufferSize,
IN ULONG Ioctl,
IN PVOID pInput,
IN ULONG SizeInput
);
INT_PTR CALLBACK
dlgProc(
HWND hWnd,
UINT Message,
WPARAM wParam,
LPARAM lParam
)
{
int ntest;
switch (Message)
{
case WM_COMMAND:
switch (LOWORD(wParam))
{
case IDCANCEL:
EndDialog(hWnd, IDCANCEL);
return TRUE;
}
break;
case WM_INITDIALOG:
g_wndDlg = hWnd;
break;
default:
return FALSE;
}
return TRUE;
}
void ToWCS(LPCSTR szMBCSString, LPWSTR lpWideString)
{
int nResult;
// determone the size first
nResult = MultiByteToWideChar(
CP_ACP,
MB_COMPOSITE,
szMBCSString,
-1,
lpWideString,
0);
MultiByteToWideChar(
CP_ACP,
MB_COMPOSITE,
szMBCSString,
-1,
lpWideString,
nResult);
lpWideString[nResult + 1] = '\0';
}
void AddStatusMessageW(LPCWSTR pszMessage)
{
HWND hwndEdit;
MSG msg;
hwndEdit = GetDlgItem(g_wndDlg, IDC_EDIT_MESSAGE);
SetFocus (hwndEdit);
SendMessage (hwndEdit, EM_SETSEL, -1, -1);
SendMessage (hwndEdit, EM_REPLACESEL, 0, (LPARAM) ((LPCTSTR) pszMessage));
// give the window some time to process the message
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
void AddStatusMessage(LPCSTR pszMessage)
{
WCHAR szBuffer[MAX_SIZE];
ToWCS(pszMessage, szBuffer);
AddStatusMessageW(szBuffer);
}
DWORD
GetStatus(
BOOL fPrint,
LPVOID pResultsA,
BOOL fNew,
BOOL fShort,
PUCHAR IpAddr
)
{
DWORD Status, i;
struct in_addr InAddr;
PWINSINTF_RESULTS_T pResults = pResultsA;
PWINSINTF_RESULTS_NEW_T pResultsN = pResultsA;
PWINSINTF_ADD_VERS_MAP_T pAddVersMaps;
DWORD NoOfOwners;
handle_t BindHdl;
WINSINTF_BIND_DATA_T BindData;
char lpResults[MAX_SIZE] = {0};
TCHAR szErrMsg[MAX_SIZE];
WCHAR WcharString1[WINSINTF_MAX_NAME_SIZE] = {0};
int nSize = MultiByteToWideChar(CP_ACP,
MB_PRECOMPOSED,
IpAddr,
-1,
WcharString1,
0
);
MultiByteToWideChar(CP_ACP,
MB_PRECOMPOSED,
IpAddr,
-1,
WcharString1,
nSize
);
WcharString1[nSize] = '\0';
BindData.fTcpIp = TRUE;
BindData.pServerAdd = (LPSTR) (LPTSTR) WcharString1;
strcpy(lpResults, "");
strcat(lpResults, "*****\r\n" );
strcat(lpResults, "Getting map table from " );
strcat(lpResults, IpAddr);
strcat(lpResults, "\r\n");
AddStatusMessage(lpResults);
BindHdl = WinsBind(&BindData);
if (BindHdl == NULL)
{
strcpy(lpResults, "");
strcat(lpResults, "Unable to bind to " );
strcat(lpResults, IpAddr);
strcat(lpResults, "\r\n");
AddStatusMessage(lpResults);
return STATUS_SUCCESS;
}
if (!fNew)
{
#ifdef WINS_CLIENT_APIS
Status = WinsStatus(BindHdl, WINSINTF_E_CONFIG, pResultsA);
#else
Status = WinsStatus(WINSINTF_E_CONFIG, pResultsA);
#endif WINS_CLIENT_APIS
}
else
{
pResultsN->pAddVersMaps = NULL;
#ifdef WINS_CLIENT_APIS
Status = WinsStatusNew(BindHdl, WINSINTF_E_CONFIG, pResultsN);
#else
Status = WinsStatusNew(WINSINTF_E_CONFIG, pResultsN);
#endif WINS_CLIENT_APIS
}
if (Status == 0)
{
//strcpy(lpResults, "");
//strcat(lpResults, "SUCCESS \r\n");
//AddStatusMessage(lpResults);
}
else
{
wsprintfA(lpResults, "Get Wins Status failed! Error: %d\r\n", Status);
AddStatusMessage(lpResults);
}
if (Status == WINSINTF_SUCCESS)
{
if (fPrint)
{
if (!fNew)
{
pAddVersMaps = pResults->AddVersMaps;
NoOfOwners = pResults->NoOfOwners;
}
else
{
pAddVersMaps = pResultsN->pAddVersMaps;
NoOfOwners = pResultsN->NoOfOwners;
}
if (NoOfOwners == 0)
{
strcpy(lpResults, "");
strcat(lpResults, "The database list of owners is empty.\r\n");
AddStatusMessage(lpResults);
Status = WINSINTF_FAILURE;
}
}
}
WinsUnbind(&BindData, BindHdl);
return(Status);
}
//------------------------------------------------------------------------
NTSTATUS
GetIpAddress(
IN HANDLE fd,
OUT PULONG pIpAddress
)
/*++
Routine Description:
This function calls into netbt to get the ip address.
Arguments:
fd - file handle to netbt
pIpAddress - the ip address returned
Return Value:
ntstatus
History:
27-Dec-1995 CDermody copied from nbtstat.c
--*/
{
NTSTATUS status;
ULONG BufferSize=100;
PVOID pBuffer;
pBuffer = LocalAlloc(LMEM_FIXED,BufferSize);
if (!pBuffer)
{
return(STATUS_INSUFFICIENT_RESOURCES);
}
status = DeviceIoCtrl(fd,
pBuffer,
BufferSize,
IOCTL_NETBT_GET_IP_ADDRS,
NULL,
0);
if (NT_SUCCESS(status))
{
*pIpAddress = *(ULONG *)pBuffer;
}
else
{
*pIpAddress = 0;
}
LocalFree(pBuffer);
return(status);
}
//------------------------------------------------------------------------
NTSTATUS
GetInterfaceList
(
char pDeviceName[][MAX_NAME+1]
)
{
HANDLE StreamHandle;
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK IoStatusBlock;
STRING name_string, AnsiString;
UNICODE_STRING uc_name_string;
NTSTATUS status;
char pNbtWinsDeviceName[MAX_NAME] = "\\Device\\NetBt_Wins_Export";
PUCHAR SubKeyParms = "system\\currentcontrolset\\services\\netbt\\parameters";
PUCHAR Scope = "ScopeId";
CHAR pScopeBuffer[BUFF_SIZE];
HKEY Key;
LONG Type;
ULONG size;
NETBT_INTERFACE_INFO *pInterfaceInfo;
ULONG InterfaceInfoSize = 10 * sizeof(NETBT_ADAPTER_INDEX_MAP) + sizeof(ULONG);
PVOID pInput = NULL;
ULONG SizeInput = 0;
LONG i, index = 0;
pInterfaceInfo = LocalAlloc(LMEM_FIXED,InterfaceInfoSize);
if (!pInterfaceInfo)
{
return(STATUS_INSUFFICIENT_RESOURCES);
}
RtlInitString(&name_string, pNbtWinsDeviceName);
RtlAnsiStringToUnicodeString(&uc_name_string, &name_string, TRUE);
InitializeObjectAttributes(
&ObjectAttributes,
&uc_name_string,
OBJ_CASE_INSENSITIVE,
(HANDLE) NULL,
(PSECURITY_DESCRIPTOR) NULL
);
status = NtCreateFile (&StreamHandle,
SYNCHRONIZE | FILE_READ_DATA | FILE_WRITE_DATA,
&ObjectAttributes,
&IoStatusBlock,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_OPEN_IF,
0,
NULL,
0);
RtlFreeUnicodeString(&uc_name_string);
if (NT_SUCCESS (status))
{
do
{
status = DeviceIoCtrl(StreamHandle,
pInterfaceInfo,
InterfaceInfoSize,
IOCTL_NETBT_GET_INTERFACE_INFO,
pInput,
SizeInput);
if (status == STATUS_BUFFER_OVERFLOW)
{
LocalFree(pInterfaceInfo);
InterfaceInfoSize *= 2;
pInterfaceInfo = LocalAlloc(LMEM_FIXED,InterfaceInfoSize);
if (!pInterfaceInfo || (InterfaceInfoSize == 0xFFFF))
{
NtClose(StreamHandle);
//NlsPerror(COMMON_UNABLE_TO_ALLOCATE_PACKET,0);
return(STATUS_INSUFFICIENT_RESOURCES);
}
}
else if (!NT_SUCCESS (status))
{
NtClose(StreamHandle);
return(status);
}
} while (status == STATUS_BUFFER_OVERFLOW);
NtClose (StreamHandle);
for (i = 0; i<pInterfaceInfo->NumAdapters; i++)
{
RtlInitString(&name_string, NULL);
RtlInitUnicodeString(&uc_name_string, pInterfaceInfo->Adapter[i].Name);
if (NT_SUCCESS(RtlUnicodeStringToAnsiString(&name_string, &uc_name_string, TRUE)))
{
size = (name_string.Length > MAX_NAME) ? MAX_NAME : name_string.Length;
strncpy(pDeviceName[index], name_string.Buffer, size);
pDeviceName[index][size] = '\0';
RtlFreeAnsiString (&name_string);
index++;
}
}
//
// NULL out the next device string ptr
//
if (index < NBT_MAXIMUM_BINDINGS)
{
pDeviceName[index][0] = '\0';
}
//
// Read the ScopeId key!
//
size = BUFF_SIZE;
*pScope = '\0'; // By default
status = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
SubKeyParms,
0,
KEY_READ,
&Key);
if (status == ERROR_SUCCESS)
{
// now read the Scope key
status = RegQueryValueExA(Key, Scope, NULL, &Type, pScopeBuffer, &size);
if (status == ERROR_SUCCESS)
{
strcpy(pScope,pScopeBuffer);
}
status = RegCloseKey(Key);
}
status = STATUS_SUCCESS;
}
return status;
}
//------------------------------------------------------------------------
NTSTATUS
OpenNbt(
IN char path[][MAX_NAME+1],
OUT PHANDLE pHandle,
int max_paths
)
{
HANDLE StreamHandle;
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK IoStatusBlock;
STRING name_string;
UNICODE_STRING uc_name_string;
NTSTATUS status;
LONG index=0;
ASSERT ( max_paths <= NBT_MAXIMUM_BINDINGS );
while ((path[index][0] != '\0') && (index < max_paths))
{
RtlInitString(&name_string, path[index]);
RtlAnsiStringToUnicodeString(&uc_name_string, &name_string, TRUE);
InitializeObjectAttributes(
&ObjectAttributes,
&uc_name_string,
OBJ_CASE_INSENSITIVE,
(HANDLE) NULL,
(PSECURITY_DESCRIPTOR) NULL
);
status =
NtCreateFile(
&StreamHandle,
SYNCHRONIZE | FILE_READ_DATA | FILE_WRITE_DATA,
&ObjectAttributes,
&IoStatusBlock,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_OPEN_IF,
0,
NULL,
0);
RtlFreeUnicodeString(&uc_name_string);
if (NT_SUCCESS(status))
{
*pHandle = StreamHandle;
return(status);
}
++index;
}
return (status);
} // s_open
//------------------------------------------------------------------------
NTSTATUS
DeviceIoCtrl(
IN HANDLE fd,
IN PVOID ReturnBuffer,
IN ULONG BufferSize,
IN ULONG Ioctl,
IN PVOID pInput,
IN ULONG SizeInput
)
/*++
Routine Description:
This procedure performs an ioctl(I_STR) on a stream.
Arguments:
fd - NT file handle
iocp - pointer to a strioctl structure
Return Value:
0 if successful, non-zero otherwise.
History:
27-Dec-1995 CDermody copied from nbtstat.c
--*/
{
NTSTATUS status;
int retval;
ULONG QueryType;
IO_STATUS_BLOCK iosb;
status = NtDeviceIoControlFile(
fd, // Handle
NULL, // Event
NULL, // ApcRoutine
NULL, // ApcContext
&iosb, // IoStatusBlock
Ioctl, // IoControlCode
pInput, // InputBuffer
SizeInput, // InputBufferSize
(PVOID) ReturnBuffer, // OutputBuffer
BufferSize); // OutputBufferSize
if (status == STATUS_PENDING)
{
status = NtWaitForSingleObject(
fd, // Handle
TRUE, // Alertable
NULL); // Timeout
if (NT_SUCCESS(status))
{
status = iosb.Status;
}
}
return(status);
}
/****************************************************************************/
/* CheckRemoteTable */
/* */
/* This routine does an adapter status query to get the remote name table */
/* then checks to see if a netbios name is contained in it. */
/* */
/* Parameters: */
/* RemoteName, the IP address (asci nn.nn.nn.nn format) of a server to */
/* query. */
/* SearchName, a net bios name. */
/* */
/* Return: */
/* WINSTEST_VERIFIED The name exists in the remote name table */
/* WINSTEST_NOT_VERIFIED The name does not exist in the remote table */
/* WINSTEST_BAD_IP_ADDRESS inet_addr could not convert the ip address */
/* character string. */
/* WINSTEST_HOST_NOT_FOUND Could not reach ip address */
/* WINSTEST_OUT_OF_MEMORY Out of memory */
/* History: */
/* 27-Dec-1995 CDermody created following example of nbtstat.c */
/****************************************************************************/
int
CheckRemoteTable(
IN HANDLE fd,
IN PCHAR RemoteName,
IN PCHAR SearchName
)
{
LONG Count;
LONG i;
PVOID pBuffer;
ULONG BufferSize=600;
NTSTATUS status;
tADAPTERSTATUS *pAdapterStatus;
NAME_BUFFER *pNames;
CHAR MacAddress[20];
tIPANDNAMEINFO *pIpAndNameInfo;
ULONG SizeInput;
ULONG IpAddress;
USHORT BytesToCopy;
pBuffer = LocalAlloc(LMEM_FIXED,BufferSize);
if (!pBuffer)
{
return(WINSTEST_OUT_OF_MEMORY);
}
status = STATUS_BUFFER_OVERFLOW;
pIpAndNameInfo = LocalAlloc(LMEM_FIXED,sizeof(tIPANDNAMEINFO));
if (!pIpAndNameInfo)
{
LocalFree(pBuffer);
return(WINSTEST_OUT_OF_MEMORY);
}
RtlZeroMemory((PVOID)pIpAndNameInfo,sizeof(tIPANDNAMEINFO));
//
// Convert the remote name which is really a dotted decimal ip address
// into a ulong
//
IpAddress = inet_addr(RemoteName);
//
// Don't allow zero for the address since it sends a broadcast and
// every one responds
//
if ((IpAddress == INADDR_NONE) || (IpAddress == 0))
{
LocalFree(pBuffer);
LocalFree(pIpAndNameInfo);
return(WINSTEST_BAD_IP_ADDRESS);
}
pIpAndNameInfo->IpAddress = ntohl(IpAddress);
pIpAndNameInfo->NetbiosAddress.Address[0].Address[0].NetbiosName[0] = '*';
pIpAndNameInfo->NetbiosAddress.TAAddressCount = 1;
pIpAndNameInfo->NetbiosAddress.Address[0].AddressLength
= sizeof(TDI_ADDRESS_NETBIOS);
pIpAndNameInfo->NetbiosAddress.Address[0].AddressType
= TDI_ADDRESS_TYPE_NETBIOS;
pIpAndNameInfo->NetbiosAddress.Address[0].Address[0].NetbiosNameType
= TDI_ADDRESS_NETBIOS_TYPE_UNIQUE;
SizeInput = sizeof(tIPANDNAMEINFO);
while (status == STATUS_BUFFER_OVERFLOW)
{
status = DeviceIoCtrl(fd,
pBuffer,
BufferSize,
IOCTL_NETBT_ADAPTER_STATUS,
pIpAndNameInfo,
SizeInput);
if (status == STATUS_BUFFER_OVERFLOW)
{
LocalFree(pBuffer);
BufferSize *=2;
pBuffer = LocalAlloc(LMEM_FIXED,BufferSize);
if (!pBuffer || (BufferSize == 0xFFFF))
{
LocalFree(pIpAndNameInfo);
return(WINSTEST_OUT_OF_MEMORY);
}
}
}
pAdapterStatus = (tADAPTERSTATUS *)pBuffer;
if ((pAdapterStatus->AdapterInfo.name_count == 0) ||
(status != STATUS_SUCCESS))
{
LocalFree(pIpAndNameInfo);
LocalFree(pBuffer);
return(WINSTEST_HOST_NOT_FOUND);
}
pNames = pAdapterStatus->Names;
Count = pAdapterStatus->AdapterInfo.name_count;
status = 1;
while (Count--)
{
if (0 == _strnicmp(SearchName, pNames->name, strlen(SearchName)))
{
LocalFree(pIpAndNameInfo);
LocalFree(pBuffer);
return WINSTEST_VERIFIED; // found
}
pNames++;
}
LocalFree(pIpAndNameInfo);
LocalFree(pBuffer);
return WINSTEST_NOT_VERIFIED;
}
/****************************************************************************/
/* VerifyRemote */
/* */
/* This routine checks to see if a netbios name is contained in the remote */
/* name table at a given IP address. */
/* */
/* Parameters: */
/* RemoteName, the IP address (asci nn.nn.nn.nn format) of a server to */
/* query. */
/* NBName, a net bios name. */
/* */
/* Return: */
/* WINSTEST_VERIFIED The name exists in the remote name table */
/* WINSTEST_NOT_VERIFIED The name does not exist in the remote table */
/* WINSTEST_BAD_IP_ADDRESS inet_addr could not convert the ip address */
/* character string. */
/* WINSTEST_OPEN_FAILED Could not open NBT driver or could not read */
/* the NBT driver info from the registry. */
/* WINSTEST_HOST_NOT_FOUND Could not reach ip address */
/* WINSTEST_OUT_OF_MEMORY Out of memory */
/* History: */
/* 27-Dec-1995 CDermody created following example of nbtstat.c */
/****************************************************************************/
int VerifyRemote(IN PCHAR RemoteName, IN PCHAR NBName)
{
NTSTATUS status;
LONG interval=-1;
HANDLE nbt = 0;
int nStatus;
int index;
CHAR pDeviceName[NBT_MAXIMUM_BINDINGS+1][MAX_NAME+1];
status = GetInterfaceList(pDeviceName);
if (!NT_SUCCESS(status))
{
return WINSTEST_OPEN_FAILED;
}
for (index = 0; index < NBT_MAXIMUM_BINDINGS && pDeviceName[index][0]; index++)
{
//
// Open the device of the appropriate streams module to start with.
//
status = OpenNbt(&pDeviceName[index], &nbt, NBT_MAXIMUM_BINDINGS-index);
if (!NT_SUCCESS(status))
{
//
// Try the next binding!
//
continue;
}
GetIpAddress(nbt, &NetbtIpAddress);
if (RemoteName[0] == '\0')
return WINSTEST_INVALID_ARG;
nStatus = CheckRemoteTable(nbt,RemoteName,NBName);
if (nStatus == WINSTEST_VERIFIED)
break;
}
return nStatus;
}
/*************************************************************/
/* NBDecode(name,name2) */
/* */
/* This routine decodes a netbios name from level2 to leve1. */
/* name is 16 bytes long, remember that. */
/* */
/*************************************************************/
void
NBDecode(
unsigned char *name,
unsigned char *name2
)
{
int i;
for (i = 0; i < NBT_NONCODED_NMSZ - 1; i++)
{
name[i] = (name2[2*i+1] - 0x41)*(NBT_NONCODED_NMSZ-1) +
(name2[2*i+2] - 0x41);
}
}
/*************************************************************/
/* NBEncode(name2,name) */
/* */
/* This routine code a netbios name from level1 to level2. */
/* name2 has to be NBT_NAMESIZE bytes long, remember that. */
/*************************************************************/
void
NBEncode(
unsigned char *name2,
unsigned char *name
)
{
int i;
name2[0] = 0x20; /* length of first block */
for (i = 0; i < NBT_NONCODED_NMSZ - 1; i++)
{
name2[ 2*i+1 ] = ((name[ i ] >> 4) & 0x0f) + 0x41;
name2[ 2*i+2 ] = (name[ i ] & 0x0f) + 0x41;
}
name2[ NBT_NAMESIZE-1 ] = 0; /* length of next block */
}
ULONG
AddWins(
IN ULONG IPAddr
)
{
INT i;
for (i = 0; i < MAX_SERVERS; i++)
{
if (WinServers[i].Server.s_addr == IPAddr)
{
return 0;
}
if (WinServers[i].Server.s_addr == 0)
{
WinServers[i].Server.s_addr = IPAddr;
NumWinServers++;
return i;
}
}
return 0;
}
VOID
PurgeWinsAddr(
IN ULONG IPAddr
)
{
INT i;
for (i = 0; i < MAX_SERVERS; i++)
{
if (WinServers[i].Server.s_addr == IPAddr)
{
INT j = i + 1;
while (WinServers[j].Server.s_addr)
{
WinServers[j - 1] = WinServers[j];
j++;
}
//
// Zap the last entry
//
WinServers[j - 1].Server.s_addr = 0;
break;
}
}
}
/*******************************************************************/
/* */
/* Initialize the WinServers table and set NumWinServers to count */
/* */
/*******************************************************************/
BOOLEAN
InitServers(char *szServer, BOOL fVerifyWithPartners)
{
FILE * sf = NULL;
int i = 0;
ULONG j = 0;
u_char buffer[100] = {0};
WINSINTF_RESULTS_NEW_T ResultsN;
struct in_addr InAddr;
char szNum[10] = {0};
char lpResults[MAX_SIZE] = {0};
strcpy(buffer, szServer);
//WinServers[i].Server.s_addr = inet_addr(buffer);
InAddr.s_addr = inet_addr(buffer);
AddWins(InAddr.s_addr);
if (fVerifyWithPartners)
{
if (GetStatus(TRUE, &ResultsN, TRUE, FALSE, inet_ntoa(InAddr)))
{
strcpy(lpResults, "");
strcat(lpResults, "Unable to verify against the WINS server: ");
strcat(lpResults, inet_ntoa(InAddr));
strcat(lpResults, "\r\n\r\n");
AddStatusMessage(lpResults);
return FALSE;
}
//
// Enter all the WINS server names into the server table
//
for (j = 0; j < ResultsN.NoOfOwners; j++)
{
//
// Add addresses; check for duplicates
//
struct in_addr InAddr;
InAddr.s_addr = htonl(ResultsN.pAddVersMaps[j].Add.IPAdd);
(VOID)AddWins(htonl(ResultsN.pAddVersMaps[j].Add.IPAdd));
}
//NumWinServers = ResultsN.NoOfOwners;
strcpy(lpResults, "");
_itoa(NumWinServers, szNum, 10);
strcat(lpResults, szNum);
strcat(lpResults, " Wins servers will be Queried:\r\n");
AddStatusMessage(lpResults);
for (i = 0; i < NumWinServers; i++)
{
struct in_addr InAddr;
InAddr.s_addr = WinServers[i].Server.s_addr;
strcpy(lpResults, "");
strcat(lpResults, inet_ntoa(InAddr));
strcat(lpResults,"\r\n");
AddStatusMessage(lpResults);
}
}
return TRUE;
}
/*******************************************************************/
/* */
/* Send a Name Query to a WINS Server */
/* */
/* name is the name to query */
/* winsaddr is the ip address of the wins server to query */
/* TransID is the transaction ID to use for the query */
/* */
/*******************************************************************/
void
_stdcall
SendNameQuery(
unsigned char *name,
u_long winsaddr,
u_short TransID
)
{
struct sockaddr_in destad;
char lpResults[MAX_SIZE] = {0};
char paddedname[NBT_NONCODED_NMSZ];
struct
{
u_short TransactionID;
u_short Flags;
u_short QuestionCount;
u_short AnswerCount;
u_short NSCount;
u_short AdditionalRec;
u_char QuestionName[NBT_NAMESIZE];
u_short QuestionType;
u_short QuestionClass;
} NameQuery;
memset(paddedname, 0x20, sizeof(paddedname));
memcpy(paddedname, name, strlen(name));
NBEncode(NameQuery.QuestionName, paddedname);
NameQuery.TransactionID = htons(TransID);
NameQuery.Flags = htons(0x0100);
NameQuery.QuestionCount = htons(1);
NameQuery.AnswerCount = 0;
NameQuery.NSCount = 0;
NameQuery.AdditionalRec = 0;
NameQuery.QuestionType = htons(0x0020);
NameQuery.QuestionClass = htons(1);
destad.sin_family = AF_INET;
destad.sin_port = htons(137);
destad.sin_addr.s_addr = winsaddr;
if (sendto(sd, (char *)&NameQuery, sizeof(NameQuery), 0,
(struct sockaddr *)&destad, sizeof(destad)) == SOCKET_ERROR)
{
wsprintfA(lpResults, "sendto() failed. Error %d. \r\n", WSAGetLastError());
AddStatusMessage(lpResults);
// exit(1);
return;
}
}
/*******************************************************************/
/* */
/* Wait for a Name Response which matches the Transaction ID */
/* */
/* recvaddr is the ip address returned by the wins server */
/* */
/*******************************************************************/
int
_stdcall
GetNameResponse(
u_long * recvaddr,
u_short TransactionID
)
{
char lpResults[100] = {0};
int i;
int len;
int rslt;
u_long AnswerAddr;
struct sockaddr_in addr;
NameResponse * pNameResponse = NULL;
BYTE Buf[NAME_RESPONSE_BUFFER_SIZE] = {0};
i = 0;
while (i < 15)
{
addrlen = sizeof(addr);
if ((len=recvfrom(sd, (char *) Buf, sizeof(Buf), 0,
(struct sockaddr *)&addr, &addrlen)) < 0)
{
rslt = WSAGetLastError();
if (rslt == WSAEWOULDBLOCK)
{
Sleep(100);
i++;
continue;
}
else
{
wsprintfA(lpResults, "recvfrom() failed. Error %d. \r\n", rslt);
AddStatusMessage(lpResults);
return WINSTEST_NO_RESPONSE;
}
}
pNameResponse = (NameResponse *) Buf;
if (TransactionID == htons(pNameResponse->TransactionID))
{
if (htons(pNameResponse->AnswerCount) == 0)
{
*recvaddr = 0;
return(WINSTEST_NOT_FOUND);
}
AnswerAddr = (pNameResponse->AnswerAddr2 << 16) | pNameResponse->AnswerAddr1;
*recvaddr = AnswerAddr;
return(WINSTEST_FOUND);
}
}
*recvaddr = 0;
return(WINSTEST_NO_RESPONSE);
}
INT
_stdcall
InitNameCheckSocket()
{
char lpResults[MAX_SIZE];
/* Set up a socket to use for querys and responses */
WSAStartup( 0x0101, &WsaData ); // make sure winsock is happy - noop for now
if ((sd = socket( AF_INET, SOCK_DGRAM, 0)) == INVALID_SOCKET)
{
//wsprintfA(lpResults, "socket() failed. Error %d. \r\n", WSAGetLastError());
//AddStatusMessage(lpResults);
return WSAGetLastError();
}
myad.sin_family = AF_INET;
myad.sin_addr.s_addr = INADDR_ANY;
myad.sin_port = htons(0);
if (bind( sd, (struct sockaddr *)&myad, sizeof(myad) ) < 0)
{
//wsprintfA(lpResults, "bind() failed. Error %d. \r\n", WSAGetLastError());
//AddStatusMessage(lpResults);
closesocket( sd );
return WSAGetLastError();
}
if (ioctlsocket(sd, FIONBIO, &NonBlocking) < 0)
{
//wsprintfA(lpResults, "ioctlsocket() failed. Error %d. \r\n", WSAGetLastError());
//AddStatusMessage(lpResults);
return WSAGetLastError();
}
return 0;
}
INT
_stdcall
CloseNameCheckSocket()
{
closesocket(sd);
WSACleanup();
return 0;
}
DWORD WINAPI ThreadProc(LPVOID pData)
{
DialogBox(g_hInstance,
MAKEINTRESOURCE(IDD_VERSION_CONSIS),
g_hwndParent,
dlgProc);
return 29;
}
void CreateConsistencyStatusWindow(HINSTANCE hInstance, HWND hWndParent)
{
// dialog creation
// create a new window if we don't have one or it possibly went away
DWORD dwId;
MSG msg;
g_hInstance = hInstance;
g_hwndParent = hWndParent;
if (g_wndDlg && !IsWindow(g_wndDlg))
{
CloseHandle(g_hThread);
g_wndDlg = NULL;
}
if (!g_wndDlg)
{
g_hThread = CreateThread(NULL, 0, ThreadProc, NULL, 0, &dwId);
while (g_wndDlg == NULL)
{
// give the thread a chance to run
Sleep(0);
// since we are all on the same message pump, we need to
// give the system a chance to handle messages
while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
}
}
}
void DestroyConsistencyStatusWindow()
{
BOOL bResult;
if (IsWindow(g_wndDlg))
{
bResult = PostMessage(g_wndDlg, WM_COMMAND, MAKEWPARAM(0, IDCANCEL), 0);
}
if (g_wndDlg)
{
WaitForSingleObject(g_hThread, 5000);
CloseHandle(g_hThread);
g_hThread = NULL;
g_wndDlg = NULL;
}
}
void EnableConsistencyCloseButton(BOOL bEnable)
{
HWND hButton;
HMENU hSysMenu;
RECT rect;
if (IsWindow(g_wndDlg))
{
// enable/disable the button
hButton = GetDlgItem(g_wndDlg, IDCANCEL);
EnableWindow(hButton, bEnable);
// now the system menu
hSysMenu = GetSystemMenu(GetConsistencyStatusWnd(), FALSE);
EnableMenuItem(hSysMenu, SC_CLOSE, bEnable ? MF_ENABLED : MF_DISABLED);
GetWindowRect(GetConsistencyStatusWnd(), &rect);
InvalidateRect(GetConsistencyStatusWnd(), &rect, TRUE);
}
}
void ClearConsistencyStatusWindow()
{
HWND hEdit;
if (IsWindow(g_wndDlg))
{
hEdit = GetDlgItem(g_wndDlg, IDC_EDIT_MESSAGE);
SetWindowText(hEdit, (LPCTSTR) "");
}
}
HWND GetConsistencyStatusWnd()
{
return g_wndDlg;
}
// this function should be called once before calling either AddWinsServer
// or CheckRegisteredNames
INT
_stdcall
InitNameConsistency(HINSTANCE hInstance, HWND hWnd)
{
int status = 0;
// initialize things
NumWinServers = 0;
memset(WinServers, 0, sizeof(WinServers));
CreateConsistencyStatusWindow(hInstance, hWnd);
InitNameCheckSocket();
return status;
}
INT
_stdcall
AddWinsServer(char * szServer, BOOL fVerifyWithPartners)
{
if (!InitServers(szServer, fVerifyWithPartners))
{
return FALSE;
}
return TRUE;
}
/*********************************************************************/
/* M a i n */
/* */
/* 27-Dec-1995 CDermody Rather that report 'is not responding' */
/* for partial response, use multiple */
/* passes over those that were incomplete */
/* and report 'never responded' only for */
/* those that never did. */
/* Add mechanism to query the purported */
/* owner of the address to see if the */
/* service really exists there. */
/*********************************************************************/
/*
_cdecl
main (argc, argv)
int argc;
char *argv[];
*/
INT
_stdcall
CheckNameConsistency(char* szName)
{
int status = 0;
int i;
int Pass;
int ServerInx, NameInx, Inx;
struct in_addr retaddr;
struct in_addr tempaddr;
u_long temp;
WINSERVERS * ServerTemp;
int retry;
FILE * nf;
TCHAR szBuffer[MAX_SIZE] = {0};
TCHAR szNum[10];
char lpResults[100] = {0};
// initialize some things
memset(NBNames, 0, sizeof(NBNames));
memset(VerifiedAddress, 0, sizeof(VerifiedAddress));
for (i = 0; i < MAX_SERVERS; i++)
{
WinServers[i].LastResponse = -1;
WinServers[i].fQueried = FALSE;
WinServers[i].Valid = 0;
WinServers[i].Failed = 0;
WinServers[i].Retries = 0;
WinServers[i].Completed = 0;
}
SetCursor(LoadCursor(0, MAKEINTRESOURCE(IDC_WAIT)));
// call InitNameConsistency, then AddWinsServer to build the list of servers
// to verify this name against.
NumNBNames = 1;
NameInx = 0;
NBNames[NameInx] = malloc(NBT_NONCODED_NMSZ);
if (NBNames[NameInx] == NULL)
{
strcat(lpResults, "malloc(17) failed.\r\n");
//DestroyStatusWindow();
return FALSE;
}
strcpy(NBNames[NameInx], szName);
for (Pass = 1; Pass < 3; Pass++)
{
_tcscpy(szBuffer, L"");
_tcscat(szBuffer, L"\r\n");
_tcscat(szBuffer, L"Pass ");
_itot(Pass, szNum, 10);
_tcscat(szBuffer, szNum);
_tcscat(szBuffer, L"\r\n");
_tcscat(szBuffer, L"\r\n");
AddStatusMessageW(szBuffer);
/* We initially have no failed servers */
for (ServerInx = 0; ServerInx < NumWinServers; ServerInx++)
{
ServerTemp = &WinServers[ServerInx];
ServerTemp->Failed = 0;
}
for (NameInx = 0; NameInx < NumNBNames; NameInx++)
{
for (ServerInx = 0; ServerInx < NumWinServers; ServerInx++)
{
ServerTemp = &WinServers[ServerInx];
if (ServerTemp->Completed)
{
continue;
}
retry = 0;
TranID++;
RetryLoop:
strcpy(lpResults, "");
strcat(lpResults, "Sending NameQuery to the server [");
strcat(lpResults, inet_ntoa(ServerTemp->Server));
strcat(lpResults, "] for name " );
strcat(lpResults, NBNames[NameInx]);
//AddStatusMessage(lpResults);
SendNameQuery(NBNames[NameInx],
ServerTemp->Server.s_addr,
TranID);
switch (GetNameResponse(&retaddr.s_addr, TranID))
{
case WINSTEST_FOUND: // found
ServerTemp->RetAddr.s_addr = retaddr.s_addr;
ServerTemp->Valid = 1;
ServerTemp->LastResponse = NameInx;
if (retaddr.s_addr == VerifiedAddress[NameInx])
{
// this address has already been verified... don't
// do the checking again
strcat(lpResults, "; OK.\r\n");
AddStatusMessage(lpResults);
break;
}
status = VerifyRemote(inet_ntoa(ServerTemp->RetAddr),
NBNames[NameInx]);
if (WINSTEST_VERIFIED == status)
{
strcat(lpResults, "; OK.\r\n");
AddStatusMessage(lpResults);
VerifiedAddress[NameInx] = retaddr.s_addr;
}
else
{
strcat(lpResults, "; could not be verified.\r\n");
AddStatusMessage(lpResults);
}
break;
case WINSTEST_NOT_FOUND: // responded -- name not found
ServerTemp->RetAddr.s_addr = retaddr.s_addr;
ServerTemp->Valid = 0;
ServerTemp->LastResponse = NameInx;
strcat(lpResults, "; Name not found!\r\n");
AddStatusMessage(lpResults);
break;
case WINSTEST_NO_RESPONSE: // no response
ServerTemp->RetAddr.s_addr = retaddr.s_addr;
ServerTemp->Valid = 0;
ServerTemp->Retries++;
strcat(lpResults, "; No response.\r\n");
AddStatusMessage(lpResults);
retry++;
if (retry > 2)
{
ServerTemp->Failed = 1;
continue;
}
goto RetryLoop;
} // switch GetNameResponse
} // for ServerInx
for (ServerInx = 0; ServerInx < NumWinServers; ServerInx++)
{
ServerTemp = &WinServers[ServerInx];
if (ServerTemp->Completed)
{
continue;
}
if (ServerTemp->Valid)
{
temp = ServerTemp->RetAddr.s_addr;
break;
}
} // for ServerInx
for (ServerInx = 0; ServerInx < NumWinServers; ServerInx++)
{
ServerTemp = &WinServers[ServerInx];
if (ServerTemp->Completed)
{
continue;
}
if ( (ServerTemp->Valid) )
{
if ((temp != ServerTemp->RetAddr.s_addr)
|| (0 != VerifiedAddress[NameInx]
&& temp != VerifiedAddress[NameInx]) )
{
strcpy(lpResults, "");
strcat(lpResults, "Inconsistency found with WINS for NetBIOS name ");
strcat(lpResults, NBNames[NameInx]);
strcat(lpResults, "\r\n");
AddStatusMessage(lpResults);
if (0 != VerifiedAddress[NameInx])
{
tempaddr.s_addr = VerifiedAddress[NameInx];
strcpy(lpResults, "");
strcat(lpResults,"NetBIOS name has verified address (");
strcat(lpResults,inet_ntoa(tempaddr));
strcat(lpResults, "). \r\n");
AddStatusMessage(lpResults);
}
for (Inx = 0; Inx < NumWinServers; Inx++)
{
if (WinServers[Inx].Valid)
{
strcpy(lpResults, "");
strcat(lpResults," NameQuery(");
strcat(lpResults,inet_ntoa(WinServers[Inx].Server));
strcat(lpResults, " \\");
strcat(lpResults, NBNames[NameInx]);
strcat(lpResults, ")");
strcat(lpResults , " = ");
strcat(lpResults, inet_ntoa(WinServers[Inx].RetAddr));
strcat(lpResults, " \r\n");
AddStatusMessage(lpResults);
}
}
break;
}
}
} // for ServerInx
} // for NameInx
for (ServerInx = 0; ServerInx < NumWinServers; ServerInx++)
{
ServerTemp = &WinServers[ServerInx];
if (!ServerTemp->Failed)
{
ServerTemp->Completed = 1;
}
} // for ServerInx
} // for Pass
for (ServerInx = 0; ServerInx < NumWinServers; ServerInx++)
{
ServerTemp = &WinServers[ServerInx];
if ((-1) == ServerTemp->LastResponse)
{
strcpy(lpResults, "");
strcat(lpResults,"WINS Server ");
strcat(lpResults, inet_ntoa(ServerTemp->Server));
strcat(lpResults, " never responded! \r\n");
AddStatusMessage(lpResults);
}
else if (0 == ServerTemp->Completed)
{
strcpy(lpResults, "");
strcat(lpResults, "WINS Server ");
strcat(lpResults, inet_ntoa(ServerTemp->Server));
strcat(lpResults, " incomplete!\r\n");
AddStatusMessage(lpResults);
}
} // for ServerInx
for (NameInx = 0; NameInx < NumNBNames; NameInx++)
{
if (0 == VerifiedAddress[NameInx])
{
strcpy(lpResults, "");
strcat(lpResults,"Could not verify address for name (");
strcat(lpResults, NBNames[NameInx]);
strcat(lpResults, ").\r\n\r\n");
AddStatusMessage(lpResults);
}
} // for NameInx
// exit(0);
if (NBNames[0])
free(NBNames[0]);
return 1; // just to keep the compiler happy -- why do we have to?
}
Reference in a new issue Copy permalink