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548 lines
14 KiB
548 lines
14 KiB
/*++
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Copyright (c) 1998 Microsoft Corporation
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Module Name:
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Routing\Netsh\wins\winsmon.c
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Abstract:
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WINS Command dispatcher.
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Created by:
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Shubho Bhattacharya(a-sbhatt) on 12/10/98
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--*/
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#include "precomp.h"
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HANDLE g_hModule = NULL;
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BOOL g_bCommit = TRUE;
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BOOL g_hConnect = FALSE;
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DWORD g_dwNumTableEntries = 0;
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//{bf563723-9065-11d2-be87-00c04fc3357a}
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static const GUID g_MyGuid =
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{ 0xbf563723, 0x9065, 0x11d2, { 0xbe, 0x87, 0x00, 0xc0, 0x4f, 0xc3, 0x35, 0x7a } };
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static const GUID g_NetshGuid = NETSH_ROOT_GUID;
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//
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ULONG g_ulInitCount = 0;
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WCHAR wszUnknown[50] = {L'\0'};
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WCHAR wszEnable[50] = {L'\0'};
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WCHAR wszDisable[50] = {L'\0'};
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WCHAR wszRandom[150] = {L'\0'};
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WCHAR wszOwner[150] = {L'\0'};
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WCHAR wszInfinite[100] = {L'\0'};
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WCHAR wszPush[50] = {L'\0'};
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WCHAR wszPull[50] = {L'\0'};
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WCHAR wszPushpull[50] = {L'\0'};
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WCHAR wszHigh[50] = {L'\0'};
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WCHAR wszNormal[50] = {L'\0'};
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WCHAR wszDeleted[150] = {L'\0'};
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WCHAR wszOK[50] = {L'\0'};
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WCHAR wszFailure[50] = {L'\0'};
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WCHAR wszNameVerify[100] = {L'\0'};
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WINSMON_SUBCONTEXT_TABLE_ENTRY g_WinsSubContextTable[] =
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{
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{L"Server", HLP_WINS_CONTEXT_SERVER, HLP_WINS_CONTEXT_SERVER_EX, SrvrMonitor},
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};
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CMD_ENTRY g_WinsCmds[] =
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{
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CREATE_CMD_ENTRY(WINS_DUMP, HandleWinsDump),
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CREATE_CMD_ENTRY(WINS_HELP1, HandleWinsHelp),
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CREATE_CMD_ENTRY(WINS_HELP2, HandleWinsHelp),
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CREATE_CMD_ENTRY(WINS_HELP3, HandleWinsHelp),
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CREATE_CMD_ENTRY(WINS_HELP4, HandleWinsHelp),
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};
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ULONG g_ulNumTopCmds = sizeof(g_WinsCmds)/sizeof(CMD_ENTRY);
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ULONG g_ulNumSubContext = sizeof(g_WinsSubContextTable)/sizeof(WINSMON_SUBCONTEXT_TABLE_ENTRY);
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DWORD
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WINAPI
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WinsCommit(
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IN DWORD dwAction
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)
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{
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BOOL bCommit, bFlush = FALSE;
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switch(dwAction)
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{
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case NETSH_COMMIT:
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{
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if(g_bCommit)
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{
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return NO_ERROR;
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}
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g_bCommit = TRUE;
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break;
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}
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case NETSH_UNCOMMIT:
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{
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g_bCommit = FALSE;
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return NO_ERROR;
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}
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case NETSH_SAVE:
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{
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if(g_bCommit)
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{
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return NO_ERROR;
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}
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break;
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}
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case NETSH_FLUSH:
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{
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//
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// Action is a flush. Dhcp current state is commit, then
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// nothing to be done.
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//
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if(g_bCommit)
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{
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return NO_ERROR;
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}
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bFlush = TRUE;
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break;
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}
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default:
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{
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return NO_ERROR;
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}
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}
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//
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// Switched to commit mode. So set all valid info in the
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// strutures. Free memory and invalidate the info.
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//
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return NO_ERROR;
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}
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BOOL
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WINAPI
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WinsDllEntry(
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HINSTANCE hInstDll,
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DWORD fdwReason,
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LPVOID pReserved
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)
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{
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WORD wVersion = MAKEWORD(1,1); //Winsock version 1.1 will do?
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WSADATA wsaData;
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HINSTANCE hAdmin = NULL;
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switch (fdwReason)
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{
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case DLL_PROCESS_ATTACH:
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{
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g_hModule = hInstDll;
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DisableThreadLibraryCalls(hInstDll);
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if(WSAStartup(wVersion,&wsaData) isnot NO_ERROR)
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{
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return FALSE;
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}
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//Load certain common string to be used extensively
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{
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//Load the general "UNKNOWN" string
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DWORD dw = 0;
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dw = LoadString(g_hModule,
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WINS_GENERAL_UNKNOWN,
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wszUnknown,
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ARRAY_SIZE(wszUnknown));
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if( dw is 0 )
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wcscpy(wszUnknown, L"Not Set");
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dw = LoadString(g_hModule,
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WINS_GENERAL_ENABLE,
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wszEnable,
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ARRAY_SIZE(wszEnable));
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if( dw is 0 )
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wcscpy(wszEnable, L"Enabled");
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dw = LoadString(g_hModule,
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WINS_GENERAL_DISABLE,
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wszDisable,
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ARRAY_SIZE(wszDisable));
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if( dw is 0 )
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wcscpy(wszDisable, L"Disabled");
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dw = LoadString(g_hModule,
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WINS_GENERAL_RANDOM,
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wszRandom,
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ARRAY_SIZE(wszRandom));
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if( dw is 0 )
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wcscpy(wszRandom, L"Randomly Selected Partner");
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dw = LoadString(g_hModule,
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WINS_GENERAL_OWNER,
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wszOwner,
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ARRAY_SIZE(wszOwner));
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if( dw is 0 )
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wcscpy(wszOwner, L"Owner Server");
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dw = LoadString(g_hModule,
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WINS_GENERAL_INFINITE,
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wszInfinite,
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ARRAY_SIZE(wszInfinite));
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if( dw is 0 )
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wcscpy(wszInfinite, L"Infinite ");
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dw = LoadString(g_hModule,
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WINS_GENERAL_PULL,
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wszPull,
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ARRAY_SIZE(wszPull));
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if( dw is 0 )
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wcscpy(wszPull, L" Pull");
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dw = LoadString(g_hModule,
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WINS_GENERAL_PUSH,
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wszPush,
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ARRAY_SIZE(wszPush));
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if( dw is 0 )
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wcscpy(wszPush, L" Push");
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dw = LoadString(g_hModule,
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WINS_GENERAL_PUSHPULL,
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wszPushpull,
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ARRAY_SIZE(wszPushpull));
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if( dw is 0 )
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wcscpy(wszPushpull, L" Push/Pull");
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dw = LoadString(g_hModule,
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WINS_GENERAL_NORMAL,
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wszNormal,
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ARRAY_SIZE(wszNormal));
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if( dw is 0 )
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wcscpy(wszNormal, L"NORMAL");
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dw = LoadString(g_hModule,
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WINS_GENERAL_HIGH,
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wszHigh,
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ARRAY_SIZE(wszHigh));
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if( dw is 0 )
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wcscpy(wszHigh, L"HIGH");
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dw = LoadString(g_hModule,
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WINS_GENERAL_DELETED,
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wszDeleted,
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ARRAY_SIZE(wszDeleted));
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if( dw is 0 )
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wcscpy(wszDeleted, L"Deleted. Slot will be reused later.");
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dw = LoadString(g_hModule,
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WINS_GENERAL_OK,
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wszOK,
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ARRAY_SIZE(wszOK));
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if( dw is 0 )
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wcscpy(wszOK, L"OK");
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dw = LoadString(g_hModule,
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WINS_GENERAL_FAILURE,
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wszFailure,
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ARRAY_SIZE(wszFailure));
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if( dw is 0 )
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wcscpy(wszFailure, L"FAILED");
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dw = LoadString(g_hModule,
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WINS_GENERAL_NAMENOTVERIFIED,
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wszNameVerify,
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ARRAY_SIZE(wszNameVerify));
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if( dw is 0 )
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wcscpy(wszNameVerify, L"Name can not be verified.");
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}
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break;
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}
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case DLL_PROCESS_DETACH:
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{
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if( g_ServerNameAnsi )
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{
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WinsFreeMemory(g_ServerNameAnsi);
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g_ServerNameAnsi = NULL;
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}
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if( g_ServerNameUnicode )
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{
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WinsFreeMemory(g_ServerNameUnicode);
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g_ServerNameUnicode = NULL;
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}
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break;
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}
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default:
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{
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break;
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}
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}
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return TRUE;
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}
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DWORD
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WINAPI
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WinsStartHelper(
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IN CONST GUID *pguidParent,
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IN DWORD dwVersion
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)
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{
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DWORD dwErr;
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NS_CONTEXT_ATTRIBUTES attMyAttributes;
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PNS_PRIV_CONTEXT_ATTRIBUTES pNsPrivContextAttributes;
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pNsPrivContextAttributes = HeapAlloc(GetProcessHeap(), 0, sizeof(PNS_PRIV_CONTEXT_ATTRIBUTES));
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if (!pNsPrivContextAttributes)
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{
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return ERROR_NOT_ENOUGH_MEMORY;
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}
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ZeroMemory( &attMyAttributes, sizeof(attMyAttributes) );
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ZeroMemory(pNsPrivContextAttributes, sizeof(PNS_PRIV_CONTEXT_ATTRIBUTES));
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attMyAttributes.pwszContext = L"wins";
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attMyAttributes.guidHelper = g_MyGuid;
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attMyAttributes.dwVersion = 1;
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attMyAttributes.dwFlags = CMD_FLAG_ONLINE;
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attMyAttributes.pfnCommitFn = WinsCommit;
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attMyAttributes.pfnDumpFn = WinsDump;
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pNsPrivContextAttributes->pfnEntryFn = WinsMonitor;
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attMyAttributes.pReserved = pNsPrivContextAttributes;
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dwErr = RegisterContext( &attMyAttributes );
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return dwErr;
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}
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DWORD WINAPI
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InitHelperDll(
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IN DWORD dwNetshVersion,
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OUT PVOID pReserved )
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{
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DWORD dwErr;
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NS_HELPER_ATTRIBUTES attMyAttributes;
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//
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// See if this is the first time we are being called
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//
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if(InterlockedIncrement(&g_ulInitCount) != 1)
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{
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return NO_ERROR;
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}
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g_bCommit = TRUE;
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// Register helpers
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ZeroMemory( &attMyAttributes, sizeof(attMyAttributes) );
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attMyAttributes.guidHelper = g_MyGuid;
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attMyAttributes.dwVersion = WINS_HELPER_VERSION;
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attMyAttributes.pfnStart = WinsStartHelper;
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attMyAttributes.pfnStop = NULL;
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RegisterHelper( &g_NetshGuid, &attMyAttributes );
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return NO_ERROR;
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}
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DWORD
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WINAPI
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WinsMonitor(
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IN LPCWSTR pwszMachine,
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IN OUT LPWSTR *ppwcArguments,
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IN DWORD dwArgCount,
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IN DWORD dwFlags,
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IN LPCVOID pvData,
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OUT LPWSTR pwcNewContext
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)
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{
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DWORD dwError = NO_ERROR;
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DWORD dwIndex, i, j;
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BOOL bFound = FALSE;
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PFN_HANDLE_CMD pfnHandler = NULL;
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DWORD dwNumMatched;
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DWORD dwCmdHelpToken = 0;
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DWORD ThreadOptions = 0;
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PNS_CONTEXT_ENTRY_FN pfnHelperEntryPt;
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PNS_CONTEXT_DUMP_FN pfnHelperDumpPt;
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//if dwArgCount is 1 then it must be a context switch fn. or looking for help
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if(dwArgCount is 1)
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{
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return ERROR_CONTEXT_SWITCH;
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}
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dwIndex = 1;
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//Is it a top level(non Group command)?
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for(i=0; i<g_ulNumTopCmds; i++)
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{
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if(MatchToken(ppwcArguments[dwIndex],
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g_WinsCmds[i].pwszCmdToken))
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{
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bFound = TRUE;
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dwIndex++;
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dwArgCount--;
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pfnHandler = g_WinsCmds[i].pfnCmdHandler;
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dwCmdHelpToken = g_WinsCmds[i].dwCmdHlpToken;
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break;
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}
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}
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if(bFound)
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{
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if(dwArgCount > dwIndex && IsHelpToken(ppwcArguments[dwIndex]))
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{
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DisplayMessage(g_hModule, dwCmdHelpToken);
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return NO_ERROR;
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}
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dwError = (*pfnHandler)(pwszMachine, ppwcArguments, dwIndex, dwArgCount,
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dwFlags, pvData, &bFound);
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return dwError;
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}
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bFound = FALSE;
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//Is it meant for subcontext?
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for(i = 0; i<g_ulNumSubContext; i++)
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{
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if( MatchToken(ppwcArguments[dwIndex], g_WinsSubContextTable[i].pwszContext) )
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{
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bFound = TRUE;
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dwIndex++;
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dwArgCount--;
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pfnHelperEntryPt = g_WinsSubContextTable[i].pfnEntryFn;
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break;
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}
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}
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if( bFound ) //Subcontext
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{
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dwError = (pfnHelperEntryPt)(pwszMachine,
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ppwcArguments+1,
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dwArgCount,
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dwFlags,
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pvData,
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pwcNewContext);
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return dwError;
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}
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if (!bFound)
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{
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//
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// Command not found.
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//
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return ERROR_CMD_NOT_FOUND;
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}
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return dwError;
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}
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DWORD
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WINAPI
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WinsUnInit(
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IN DWORD dwReserved
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)
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{
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if(InterlockedDecrement(&g_ulInitCount) isnot 0)
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{
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return NO_ERROR;
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}
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return NO_ERROR;
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}
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BOOL
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IsHelpToken(
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PWCHAR pwszToken
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)
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{
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if(MatchToken(pwszToken, CMD_WINS_HELP1))
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return TRUE;
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if(MatchToken(pwszToken, CMD_WINS_HELP2))
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return TRUE;
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if(MatchToken(pwszToken, CMD_WINS_HELP3))
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return TRUE;
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if(MatchToken(pwszToken, CMD_WINS_HELP4))
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return TRUE;
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return FALSE;
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}
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PVOID
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WinsAllocateMemory(
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DWORD dwSize
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)
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{
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LPVOID pvOut = NULL;
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pvOut = malloc(dwSize);
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if( pvOut )
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{
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memset(pvOut, 0x00, dwSize);
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}
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return pvOut;
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}
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VOID
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WinsFreeMemory(
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PVOID Memory
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)
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{
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if (Memory != NULL)
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free( Memory );
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}
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