//+--------------------------------------------------------------------------- // // Microsoft Windows // Copyright (C) Microsoft Corporation, 1997. // // File: N C R A S . C P P // // Contents: Common code for RAS connections. // // Notes: // // Author: shaunco 20 Oct 1997 // //---------------------------------------------------------------------------- #include "pch.h" #pragma hdrstop #include "ncnetcon.h" #include "ncras.h" #include "ncstring.h" #include #include "mprapi.h" //+--------------------------------------------------------------------------- // // Function: RciFree // // Purpose: Frees the memory associated with a RASCON_INFO strucutre. // // Arguments: // pRasConInfo [in] Pointer to RASCON_INFO structure to free. // // Returns: nothing // // Author: shaunco 21 Sep 1997 // // Notes: CoTaskMemAlloc/CoTaskMemFree are used as the allocator/ // deallocator because this structure is marshalled by COM. // VOID RciFree ( RASCON_INFO* pRasConInfo) { Assert (pRasConInfo); CoTaskMemFree (pRasConInfo->pszwPbkFile); CoTaskMemFree (pRasConInfo->pszwEntryName); ZeroMemory (pRasConInfo, sizeof (*pRasConInfo)); } //+--------------------------------------------------------------------------- // // Function: FExistActiveRasConnections // // Purpose: Returns TRUE if there is at least one active RAS connection. // Both incoming and outgoing connections are checked. // // Arguments: // (none) // // Returns: TRUE if at least one incoming or outgoing RAS connection // in progress. FALSE if not. // // Author: shaunco 8 Jul 1998 // // Notes: // BOOL FExistActiveRasConnections () { BOOL fExist = FALSE; RASCONN RasConn; DWORD dwErr; DWORD cbBuf; DWORD cConnections; ZeroMemory (&RasConn, sizeof(RasConn)); RasConn.dwSize = sizeof(RasConn); cbBuf = sizeof(RasConn); cConnections = 0; dwErr = RasEnumConnections (&RasConn, &cbBuf, &cConnections); if ((ERROR_SUCCESS == dwErr) || (ERROR_BUFFER_TOO_SMALL == dwErr)) { fExist = (cbBuf > 0) || (cConnections > 0); } // If no outgoing connections active, check on incoming ones. // if (!fExist) { MPR_SERVER_HANDLE hMprServer; LPBYTE lpbBuf = NULL; DWORD dwEntriesRead = 0; DWORD dwTotalEntries = 0; ZeroMemory (&hMprServer, sizeof(hMprServer)); //get a handle to the local router ie. name = NULL dwErr = MprAdminServerConnect( NULL, &hMprServer ); if (ERROR_SUCCESS == dwErr) { //retrieve a pointer to buffer containing all //incoming connections (ie dwPrefMaxLen = -1) and //the their count ( ie. dwTotalEntries ) dwErr = MprAdminConnectionEnum( hMprServer, 0, &lpbBuf, (DWORD)-1, &dwEntriesRead, &dwTotalEntries, NULL ); if (ERROR_SUCCESS == dwErr) { fExist = (dwTotalEntries > 0); if( lpbBuf ) { MprAdminBufferFree( lpbBuf ); lpbBuf = NULL; } } // close the handle to the router MprAdminServerDisconnect( hMprServer ); } } return fExist; } //+--------------------------------------------------------------------------- // // Function: HrRciGetRasConnectionInfo // // Purpose: QI an INetConnection pointer for INetRasConnection and make // a call to GetRasConnectionInfo on it. // // Arguments: // pCon [in] The connection to QI and call. // pRasConInfo [out] The returned information. // // Returns: S_OK or an error code. // // Author: shaunco 15 Nov 1997 // // Notes: // HRESULT HrRciGetRasConnectionInfo ( INetConnection* pCon, RASCON_INFO* pRasConInfo) { INetRasConnection* pRasCon; HRESULT hr = HrQIAndSetProxyBlanket(pCon, &pRasCon); if (S_OK == hr) { // Make the call to get the info and release the interface. // hr = pRasCon->GetRasConnectionInfo (pRasConInfo); ReleaseObj (pRasCon); } TraceError ("HrRciGetRasConnectionInfo", hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasEnumAllActiveConnections // // Purpose: Enumerate and return all active RAS connections. // // Arguments: // paRasConn [out] Pointer to returned allocation of RASCONN structures. // pcRasConn [out] Pointer to count of RASCONN structures returned. // // Returns: S_OK or an error code. // // Author: shaunco 23 Sep 1997 // // Notes: The returned buffer must be freed using free. // HRESULT HrRasEnumAllActiveConnections ( RASCONN** paRasConn, DWORD* pcRasConn) { // Allocate room for two active connections initially. We'll update // this guess after we successfully allocate and find out how much was // really needed. Saving it across calls will keep us from allocating // too much or too little. // static DWORD cbBufGuess = 2 * sizeof (RASCONN); DWORD cbBuf = cbBufGuess; BOOL fRetry = TRUE; // Initialize the output parameters. // *paRasConn = NULL; *pcRasConn = NULL; // Allocate cbBuf bytes. // allocate: HRESULT hr = E_OUTOFMEMORY; RASCONN* aRasConn = reinterpret_cast(MemAlloc (cbBuf)); if (aRasConn) { aRasConn->dwSize = sizeof (RASCONN); DWORD cRasConn; DWORD dwErr = RasEnumConnections (aRasConn, &cbBuf, &cRasConn); hr = HRESULT_FROM_WIN32 (dwErr); if (SUCCEEDED(hr)) { // Update our guess for next time to be one more than we got back // this time. // cbBufGuess = cbBuf + sizeof (RASCONN); if (cRasConn) { *paRasConn = aRasConn; *pcRasConn = cRasConn; } else { MemFree (aRasConn); } } else { MemFree (aRasConn); if (ERROR_BUFFER_TOO_SMALL == dwErr) { TraceTag (ttidWanCon, "Perf: Guessed buffer size incorrectly " "calling RasEnumConnections.\n" " Guessed %d, needed %d.", cbBufGuess, cbBuf); // In case RAS makes more calls by the time we get back // to enumerate with the bigger buffer, add room for a few // more. // cbBuf += 2 * sizeof (RASCONN); // Protect from an infinte loop by only retrying once. // if (fRetry) { fRetry = FALSE; goto allocate; } } } } TraceError ("HrRasEnumAllActiveConnections", hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasEnumAllActiveServerConnections // // Purpose: Enumerate and return all active RAS server connections. // // Arguments: // paRasSrvConn [out] Pointer to returned allocation of RASSRVCONN // structures. // pcRasSrvConn [out] Pointer to count of RASSRVCONN structures // returned. // // Returns: S_OK or an error code. // // Author: shaunco 12 Nov 1997 // // Notes: The returned buffer must be freed using free. // HRESULT HrRasEnumAllActiveServerConnections ( RASSRVCONN** paRasSrvConn, DWORD* pcRasSrvConn) { // Allocate room for two active connections initially. We'll update // this guess after we successfully allocate and find out how much was // really needed. Saving it across calls will keep us from allocating // too much or too little. // static DWORD cbBufGuess = 2 * sizeof (RASSRVCONN); DWORD cbBuf = cbBufGuess; BOOL fRetry = TRUE; // Initialize the output parameters. // *paRasSrvConn = NULL; *pcRasSrvConn = NULL; // Allocate cbBuf bytes. // allocate: HRESULT hr = E_OUTOFMEMORY; RASSRVCONN* aRasSrvConn = reinterpret_cast(MemAlloc (cbBuf)); if (aRasSrvConn) { aRasSrvConn->dwSize = sizeof (RASSRVCONN); DWORD cRasSrvConn; DWORD dwErr = RasSrvEnumConnections (aRasSrvConn, &cbBuf, &cRasSrvConn); hr = HRESULT_FROM_WIN32 (dwErr); if (SUCCEEDED(hr)) { // Update our guess for next time to be one more than we got back // this time. // cbBufGuess = cbBuf + sizeof (RASSRVCONN); if (cRasSrvConn) { *paRasSrvConn = aRasSrvConn; *pcRasSrvConn = cRasSrvConn; } else { MemFree (aRasSrvConn); } } else { MemFree (aRasSrvConn); if (ERROR_BUFFER_TOO_SMALL == dwErr) { TraceTag (ttidWanCon, "Perf: Guessed buffer size incorrectly " "calling RasSrvEnumConnections.\n" " Guessed %d, needed %d.", cbBufGuess, cbBuf); // In case RAS makes more calls by the time we get back // to enumerate with the bigger buffer, add room for a few // more. // cbBuf += 2 * sizeof (RASSRVCONN); // Protect from an infinte loop by only retrying once. // if (fRetry) { fRetry = FALSE; goto allocate; } } } } TraceError ("HrRasEnumAllActiveServerConnections", hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasEnumAllEntriesWithDetails // // Purpose: Enumerate and return all RAS entries in a phone book. // // Arguments: // pszPhonebook [in] Phonebook file to use. // paRasEntryDetails [out] Pointer to returned allocation of // RASENUMENTRYDETAILS structures. // pcRasEntryDetails [out] Pointer to count of RASENUMENTRYDETAILS // structures returned. // // Returns: S_OK, S_FALSE if no entries, or an error code. // // Author: shaunco 2 Oct 1997 // // Notes: The returned buffer must be freed using free. // HRESULT HrRasEnumAllEntriesWithDetails ( PCWSTR pszPhonebook, RASENUMENTRYDETAILS** paRasEntryDetails, DWORD* pcRasEntryDetails) { // Allocate room for five entry names initially. We'll update // this guess after we successfully allocate and find out how much was // really needed. Saving it across calls will keep us from allocating // too much or too little. // static DWORD cbBufGuess = 5 * sizeof (RASENUMENTRYDETAILS); DWORD cbBuf = cbBufGuess; BOOL fRetry = TRUE; // Initialize the output parameters. // *paRasEntryDetails = NULL; *pcRasEntryDetails = 0; // Allocate cbBuf bytes. // allocate: HRESULT hr = E_OUTOFMEMORY; RASENUMENTRYDETAILS* aRasEntryDetails = reinterpret_cast(MemAlloc (cbBuf)); if (aRasEntryDetails) { ZeroMemory(aRasEntryDetails, cbBuf); aRasEntryDetails->dwSize = sizeof (RASENUMENTRYDETAILS); DWORD cRasEntryDetails; DWORD dwErr = DwEnumEntryDetails ( pszPhonebook, aRasEntryDetails, &cbBuf, &cRasEntryDetails); hr = HRESULT_FROM_WIN32 (dwErr); if (SUCCEEDED(hr)) { // Update our guess for next time to be one more than we got back // this time. // cbBufGuess = cbBuf + sizeof (RASENUMENTRYDETAILS); if (cRasEntryDetails) { *paRasEntryDetails = aRasEntryDetails; *pcRasEntryDetails = cRasEntryDetails; } else { MemFree (aRasEntryDetails); hr = S_FALSE; } } else { MemFree (aRasEntryDetails); if (ERROR_BUFFER_TOO_SMALL == dwErr) { TraceTag (ttidWanCon, "Perf: Guessed buffer size incorrectly " "calling DwEnumEntryDetails.\n" " Guessed %d, needed %d.", cbBufGuess, cbBuf); // Protect from an infinte loop by only retrying once. // if (fRetry) { fRetry = FALSE; goto allocate; } } } } TraceError ("HrRasEnumAllEntriesWithDetails", (S_FALSE == hr) ? S_OK : hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrFindRasConnFromGuidId // // Purpose: Searches for the active RAS connection that corresponds to // the phone book entry given by a GUID. // // Arguments: // pguid [in] Pointer to the GUID which identifies the entry. // phRasConn [out] The returned handle to the RAS connection if it // was found. NULL otherwise. // pRasConn [out] Optional pointer to returned RASCONN structure // if found. // // Returns: S_OK if found, S_FALSE if not, or an error code. // // Author: shaunco 29 Sep 1997 // // Notes: // HRESULT HrFindRasConnFromGuidId ( IN const GUID* pguid, OUT HRASCONN* phRasConn, OUT RASCONN* pRasConn OPTIONAL) { Assert (pguid); Assert (phRasConn); HRESULT hr; RASCONN* aRasConn; DWORD cRasConn; // Initialize the output parameter. // *phRasConn = NULL; hr = HrRasEnumAllActiveConnections (&aRasConn, &cRasConn); if (S_OK == hr) { hr = S_FALSE; for (DWORD i = 0; i < cRasConn; i++) { if (*pguid == aRasConn[i].guidEntry) { *phRasConn = aRasConn[i].hrasconn; if (pRasConn) { CopyMemory (pRasConn, &aRasConn[i], sizeof(RASCONN)); } hr = S_OK; break; } } MemFree (aRasConn); } TraceHr (ttidError, FAL, hr, S_FALSE == hr, "HrFindRasConnFromGuidId"); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasGetEntryProperties // // Purpose: Wrapper around RasGetEntryProperties that returns an HRESULT // and allocates the necessary memory automatically. // // Arguments: // pszPhonebook [in] // pszEntry [in] // ppRasEntry [out] // // Returns: S_OK or an error code. // // Author: shaunco 6 Oct 1997 // // Notes: The output parameters should be freed using free. // HRESULT HrRasGetEntryProperties ( PCWSTR pszPhonebook, PCWSTR pszEntry, RASENTRY** ppRasEntry, DWORD* pcbRasEntry) { // Init the output parameter if provided. // if (pcbRasEntry) { *pcbRasEntry = 0; } // Allocate room for RASENTRY structure plus 256 bytes initially. // We'll update this guess after we successfully allocate and find out // how much was really needed. Saving it across calls will keep us // from allocating too much or too little. // static DWORD cbBufGuess = sizeof (RASENTRY) + 256; DWORD cbBuf = cbBufGuess; BOOL fRetry = TRUE; // Initialize the output parameters. // *ppRasEntry = NULL; if (pcbRasEntry) { *pcbRasEntry = 0; } // Allocate cbBuf bytes. // allocate: HRESULT hr = E_OUTOFMEMORY; RASENTRY* pRasEntry = reinterpret_cast(MemAlloc (cbBuf)); if (pRasEntry) { pRasEntry->dwSize = sizeof (RASENTRY); DWORD dwErr = RasGetEntryProperties (pszPhonebook, pszEntry, pRasEntry, &cbBuf, NULL, NULL); hr = HRESULT_FROM_WIN32 (dwErr); if (SUCCEEDED(hr)) { // Update our guess for next time to be a bit more than we // got back this time. // cbBufGuess = cbBuf + 256; *ppRasEntry = pRasEntry; if (pcbRasEntry) { *pcbRasEntry = cbBuf; } } else { MemFree (pRasEntry); if (ERROR_BUFFER_TOO_SMALL == dwErr) { TraceTag (ttidWanCon, "Perf: Guessed buffer size incorrectly " "calling RasGetEntryProperties.\n" " Guessed %d, needed %d.", cbBufGuess, cbBuf); // Protect from an infinte loop by only retrying once. // if (fRetry) { fRetry = FALSE; goto allocate; } } } } TraceError ("HrRasGetEntryProperties", hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasGetSubEntryProperties // // Purpose: Wrapper around RasGetSubEntryProperties that returns an HRESULT // and allocates the necessary memory automatically. // // Arguments: // pszPhonebook [in] // pszEntry [in] // dwSubEntry [in] // ppRasSubEntry [out] // // Returns: S_OK or an error code. // // Author: CWill 02/10/98 // // Notes: The output parameters should be freed using free. // HRESULT HrRasGetSubEntryProperties ( PCWSTR pszPhonebook, PCWSTR pszEntry, DWORD dwSubEntry, RASSUBENTRY** ppRasSubEntry) { // Allocate room for RASSUBENTRY structure plus 256 bytes initially. // We'll update this guess after we successfully allocate and find out // how much was really needed. Saving it across calls will keep us // from allocating too much or too little. // static DWORD cbBufGuess = sizeof (RASSUBENTRY) + 256; DWORD cbBuf = cbBufGuess; BOOL fRetry = TRUE; // Initialize the output parameters. // *ppRasSubEntry = NULL; // Allocate cbBuf bytes. // allocate: HRESULT hr = E_OUTOFMEMORY; RASSUBENTRY* pRasSubEntry = reinterpret_cast(MemAlloc (cbBuf)); if (pRasSubEntry) { pRasSubEntry->dwSize = sizeof (RASSUBENTRY); DWORD dwErr = RasGetSubEntryProperties (pszPhonebook, pszEntry, dwSubEntry, pRasSubEntry, &cbBuf, NULL, NULL); hr = HRESULT_FROM_WIN32 (dwErr); if (SUCCEEDED(hr)) { // Update our guess for next time to be a bit more than we // got back this time. // cbBufGuess = cbBuf + 256; *ppRasSubEntry = pRasSubEntry; } else { MemFree (pRasSubEntry); if (ERROR_BUFFER_TOO_SMALL == dwErr) { TraceTag (ttidWanCon, "Perf: Guessed buffer size incorrectly " "calling RasGetSubEntryProperties.\n" " Guessed %d, needed %d.", cbBufGuess, cbBuf); // Protect from an infinte loop by only retrying once. // if (fRetry) { fRetry = FALSE; goto allocate; } } } } TraceError ("HrRasGetSubEntryProperties", hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasGetNetconStatusFromRasConnectStatus // // Purpose: Returns a NETCON_STATUS value given a handle to a RAS // connection by calling RasGetConnectStatus and mapping. // // Arguments: // hRasConn [in] Handle to the RAS connection. (See Win32 RAS APIs.) // pStatus [out] Pointer to where the NETCON_STATUS is returned. // // Returns: S_OK or an error code in the FACILITY_WIN32 facility. // // Author: shaunco 6 May 1998 // // Notes: // HRESULT HrRasGetNetconStatusFromRasConnectStatus ( HRASCONN hRasConn, NETCON_STATUS* pStatus) { Assert (pStatus); // Initialize the output parameter. // *pStatus = NCS_DISCONNECTED; // Get its status and map it to our status. // RASCONNSTATUS RasConnStatus; ZeroMemory (&RasConnStatus, sizeof(RasConnStatus)); RasConnStatus.dwSize = sizeof(RASCONNSTATUS); DWORD dwErr = RasGetConnectStatus (hRasConn, &RasConnStatus); HRESULT hr = HRESULT_FROM_WIN32 (dwErr); TraceHr (ttidError, FAL, hr, (HRESULT_FROM_WIN32(ERROR_INVALID_HANDLE) == hr), "RasGetConnectStatus"); if (S_OK == hr) { if (RasConnStatus.rasconnstate & RASCS_DONE) { if (RASCS_Disconnected != RasConnStatus.rasconnstate) { *pStatus = NCS_CONNECTED; } } else { *pStatus = NCS_CONNECTING; } } TraceHr (ttidError, FAL, hr, (HRESULT_FROM_WIN32(ERROR_INVALID_HANDLE) == hr), "HrRasGetNetconStatusFromRasConnectStatus"); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasHangupUntilDisconnected // // Purpose: Call RasHangup until the connection is disconnected. // Ras reference-counts RasDial/RasHangup, so this is called // when the connection needs to be dropped no matter what. // (For example, the behavior of disconnect from the shell // is to drop the connection regardless of who dialed it.) // // Arguments: // hRasConn [in] The connection to disconnect. // // Returns: S_OK or an error code. // // Author: shaunco 29 May 1999 // HRESULT HrRasHangupUntilDisconnected ( IN HRASCONN hRasConn) { HRESULT hr = E_UNEXPECTED; BOOL fDisconnectAgain; do { fDisconnectAgain = FALSE; // Hang up. // DWORD dwErr = RasHangUp (hRasConn); hr = HRESULT_FROM_WIN32 (dwErr); TraceError ("RasHangUp", hr); if (SUCCEEDED(hr)) { // Since the connection may be ref-counted, see if // it's still connected and, if it is, go back and // disconnect again. // HRESULT hrT; NETCON_STATUS Status; hrT = HrRasGetNetconStatusFromRasConnectStatus ( hRasConn, &Status); if ((S_OK == hrT) && (NCS_CONNECTED == Status)) { fDisconnectAgain = TRUE; TraceTag (ttidWanCon, "need to disconnect again..."); } } } while (fDisconnectAgain); TraceHr (ttidError, FAL, hr, FALSE, "HrRasHangupUntilDisconnected"); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasNetConToSharedConnection // // Purpose: Converts an 'INetConnection' to the format expected // by the RAS sharing API routines. // // Arguments: // pCon [in] // prcs [out] // // Returns: S_OK or an error code. // // Author: AboladeG 05/14/98 // // Notes: // HRESULT HrNetConToSharedConnection ( INetConnection* pCon, LPRASSHARECONN prsc) { HRESULT hr; NETCON_PROPERTIES* pProps; hr = pCon->GetProperties(&pProps); if (SUCCEEDED(hr)) { if (pProps->MediaType == NCM_LAN) { RasGuidToSharedConnection(&pProps->guidId, prsc); } else { INetRasConnection* pnrc; hr = HrQIAndSetProxyBlanket(pCon, &pnrc); if (SUCCEEDED(hr)) { RASCON_INFO rci; hr = pnrc->GetRasConnectionInfo (&rci); if (SUCCEEDED(hr)) { RasEntryToSharedConnection ( rci.pszwPbkFile, rci.pszwEntryName, prsc ); RciFree (&rci); } ReleaseObj (pnrc); } } FreeNetconProperties(pProps); } TraceError ("HrRasNetConToSharedConnection", hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasIsSharedConnection // // Purpose: Wrapper around RasIsSharedConnection that returns an HRESULT. // // Arguments: // prsc [in] // pfShared [out] // // Returns: S_OK or an error code. // // Author: AboladeG 05/04/98 // // Notes: // HRESULT HrRasIsSharedConnection ( LPRASSHARECONN prsc, BOOL* pfShared) { *pfShared = FALSE; DWORD dwErr = RasIsSharedConnection (prsc, pfShared); HRESULT hr = HRESULT_FROM_WIN32 (dwErr); TraceError ("HrRasIsSharedConnection", hr); return hr; } #if 0 //+--------------------------------------------------------------------------- // // Function: HrRasQueryLanConnTable // // Purpose: Wrapper around RasQueryLanConnTable that returns an HRESULT. // // Arguments: // prsc [in] // ppLanTable [out,optional] // pdwLanCount [out] // // Returns: S_OK or an error code. // // Author: AboladeG 05/14/98 // // Notes: // HRESULT HrRasQueryLanConnTable ( LPRASSHARECONN prsc, NETCON_PROPERTIES** ppLanTable, LPDWORD pdwLanCount) { DWORD dwErr = RasQueryLanConnTable (prsc, (LPVOID*)ppLanTable, pdwLanCount); HRESULT hr = HRESULT_FROM_WIN32 (dwErr); TraceError ("HrRasQueryLanConnTable", hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasShareConnection // // Purpose: Wrapper around RasShareConnection that returns an HRESULT. // // Arguments: // prsc [in] // pPrivateLanGuid [in,optional] // // Returns: S_OK or an error code. // // Author: AboladeG 05/14/98 // // Notes: // HRESULT HrRasShareConnection ( LPRASSHARECONN prsc, GUID* pPrivateLanGuid) { DWORD dwErr = RasShareConnection (prsc, pPrivateLanGuid); HRESULT hr = HRESULT_FROM_WIN32 (dwErr); TraceError ("HrRasShareConnection", hr); return hr; } //+--------------------------------------------------------------------------- // // Function: HrRasUnshareConnection // // Purpose: Wrapper around HrRasUnshareConnection that returns an HRESULT. // // Arguments: // pfWasShared [out] // // Returns: S_OK or an error code. // // Author: AboladeG 05/14/98 // // Notes: // HRESULT HrRasUnshareConnection ( PBOOL pfWasShared) { HRESULT hr; DWORD dwErr = RasUnshareConnection (pfWasShared); hr = HRESULT_FROM_WIN32 (dwErr); TraceError ("HrRasUnshareConnection", hr); return hr; } #endif //+--------------------------------------------------------------------------- // // Function: RasSrvTypeFromRasDeviceType // // Purpose: Converts from RASDEVICETYPE into an accepted incoming type // // Arguments: // rdt [in] the RasDeviceType // // Returns: RASSRVUI_Xxx type // // Author: ckotze 19 Apr 2001 // // Notes: // DWORD RasSrvTypeFromRasDeviceType(RASDEVICETYPE rdt) { DWORD dwType = RASSRVUI_MODEM; TraceTag (ttidWanCon, "rdt:0x%08x, dwType:0x%08x", rdt, dwType); switch (LOWORD(rdt)) { case RDT_PPPoE: dwType = RASSRVUI_MODEM; break; case RDT_Modem: case RDT_X25: dwType = RASSRVUI_MODEM; break; case RDT_Isdn: dwType = RASSRVUI_MODEM; break; case RDT_Serial: case RDT_FrameRelay: case RDT_Atm: case RDT_Sonet: case RDT_Sw56: dwType = RASSRVUI_MODEM; break; case RDT_Tunnel_Pptp: case RDT_Tunnel_L2tp: dwType = RASSRVUI_VPN; break; case RDT_Irda: case RDT_Parallel: dwType = RASSRVUI_DCC; break; case RDT_Other: default: dwType = RASSRVUI_MODEM; } if (rdt & RDT_Tunnel) { dwType = RASSRVUI_VPN; } else if (rdt & (RDT_Direct | RDT_Null_Modem)) { dwType = RASSRVUI_DCC; } return dwType; }