#include <ws2_32.h>
#include <debug.h>

Include dependency graph for rasdial.c:

Macros
#define	NDEBUG

#define	WsRasLock() EnterCriticalSection(&WsRasHelperLock)

#define	WsRasUnlock() LeaveCriticalSection(&WsRasHelperLock)

Typedefs
typedef BOOL(WSAAPI *	PWS_ATTEMPT_AUTODIAL_ADDR) (IN CONST SOCKADDR FAR *Name, IN INT NameLength)

typedef BOOL(WSAAPI *	PWS_ATTEMPT_AUTODIAL_NAME) (IN CONST LPWSAQUERYSETW lpqsRestrictions)

typedef VOID(WSAAPI *	PWS_NOTE_SUCCESSFUL_HOSTENT_LOOKUP) (IN CONST CHAR FAR *Name, IN CONST ULONG Address)

Functions
VOID WSAAPI	WsRasInitializeAutodial (VOID)

VOID WSAAPI	WsRasUninitializeAutodial (VOID)

INT WSAAPI	WsRasLoadHelperDll (VOID)

BOOL WSAAPI	WSAttemptAutodialAddr (IN CONST SOCKADDR FAR *Name, IN INT NameLength)

BOOL WSAAPI	WSAttemptAutodialName (IN CONST LPWSAQUERYSETW lpqsRestrictions)

VOID WSAAPI	WSNoteSuccessfulHostentLookup (IN CONST CHAR FAR *Name, IN CONST ULONG Address)

Variables
BOOLEAN	WsRasInitialized

HINSTANCE	WsRasDllHandle

CRITICAL_SECTION	WsRasHelperLock

PWS_ATTEMPT_AUTODIAL_ADDR	lpfnWSAttemptAutodialAddr

PWS_ATTEMPT_AUTODIAL_NAME	lpfnWSAttemptAutodialName

PWS_NOTE_SUCCESSFUL_HOSTENT_LOOKUP	lpfnWSNoteSuccessfulHostentLookup

Macro Definition Documentation

◆ NDEBUG

#define NDEBUG

Definition at line 13 of file rasdial.c.

◆ WsRasLock

#define WsRasLock ( ) EnterCriticalSection(&WsRasHelperLock)

Definition at line 40 of file rasdial.c.

◆ WsRasUnlock

#define WsRasUnlock ( ) LeaveCriticalSection(&WsRasHelperLock)

Definition at line 41 of file rasdial.c.

Typedef Documentation

◆ PWS_ATTEMPT_AUTODIAL_ADDR

typedef BOOL(WSAAPI * PWS_ATTEMPT_AUTODIAL_ADDR) (IN CONST SOCKADDR FAR *Name, IN INT NameLength)

Definition at line 18 of file rasdial.c.

◆ PWS_ATTEMPT_AUTODIAL_NAME

typedef BOOL(WSAAPI * PWS_ATTEMPT_AUTODIAL_NAME) (IN CONST LPWSAQUERYSETW lpqsRestrictions)

Definition at line 24 of file rasdial.c.

◆ PWS_NOTE_SUCCESSFUL_HOSTENT_LOOKUP

typedef VOID(WSAAPI * PWS_NOTE_SUCCESSFUL_HOSTENT_LOOKUP) (IN CONST CHAR FAR *Name, IN CONST ULONG Address)

Definition at line 27 of file rasdial.c.

Function Documentation

◆ WSAttemptAutodialAddr()

BOOL WSAAPI WSAttemptAutodialAddr	(	IN CONST SOCKADDR FAR *	Name,
		IN INT	NameLength
	)

Definition at line 137 of file rasdial.c.

{
    /* Load the helper DLL and make sure it exports this routine */
    if (!(WsRasLoadHelperDll()) || !(lpfnWSAttemptAutodialAddr)) return FALSE;
 
    /* Call the function in the helper */
    return lpfnWSAttemptAutodialAddr(Name, NameLength);
}

◆ WSAttemptAutodialName()

BOOL WSAAPI WSAttemptAutodialName ( IN CONST LPWSAQUERYSETW lpqsRestrictions )

Definition at line 149 of file rasdial.c.

{
    /* Load the helper DLL and make sure it exports this routine */
    if (!(WsRasLoadHelperDll()) || !(lpfnWSAttemptAutodialName)) return FALSE;
 
    /* Call the function in the helper */
    return lpfnWSAttemptAutodialName(lpqsRestrictions);
}

◆ WSNoteSuccessfulHostentLookup()

VOID WSAAPI WSNoteSuccessfulHostentLookup	(	IN CONST CHAR FAR *	Name,
		IN CONST ULONG	Address
	)

Definition at line 160 of file rasdial.c.

{
    /* Load the helper DLL and make sure it exports this routine */
    if (!(WsRasLoadHelperDll()) || !(lpfnWSNoteSuccessfulHostentLookup)) return;
 
    /* Call the function in the helper */
    lpfnWSNoteSuccessfulHostentLookup(Name, Address);
}

◆ WsRasInitializeAutodial()

VOID WSAAPI WsRasInitializeAutodial ( VOID )

Definition at line 47 of file rasdial.c.

{
    /* Initialize the autodial lock */
    InitializeCriticalSection(&WsRasHelperLock);
}

Referenced by DllMain().

◆ WsRasLoadHelperDll()

INT WSAAPI WsRasLoadHelperDll ( VOID )

Definition at line 71 of file rasdial.c.

{
    CHAR HelperPath[MAX_PATH];
    HKEY WinsockKey;
    INT ErrorCode;
    DWORD RegType = REG_SZ;
    DWORD RegSize = MAX_PATH;
 
    /* Acquire the lock */
    WsRasLock();
 
    /* Check if we were already initialized */
    if (!WsRasInitialized)
    {
        /* Open the registry root key */
        WinsockKey = WsOpenRegistryRoot();
        if (WinsockKey)
        {
            /* Read the helper's location */
            ErrorCode = RegQueryValueEx(WinsockKey,
                                        "AutodialDLL",
                                        0,
                                        &RegType,
                                        (LPBYTE)&HelperPath,
                                        &RegSize);
            RegCloseKey(WinsockKey);
 
            /* Make sure we read the path */
            if (ErrorCode == ERROR_SUCCESS)
            {
                /* Now load it */
                WsRasDllHandle = LoadLibrary(HelperPath);
            }
        }
 
        /* Check if we weren't able to load it and load the default */
        if (!WsRasDllHandle) WsRasDllHandle = LoadLibrary("rasadhlp.dll");
 
        /* Check again if we loaded it */
        if (WsRasDllHandle)
        {
            /* Get function pointers */
            lpfnWSAttemptAutodialAddr =
                (PVOID)GetProcAddress(WsRasDllHandle,
                                      "WSAttemptAutodialAddr");
            lpfnWSAttemptAutodialName =
                (PVOID)GetProcAddress(WsRasDllHandle,
                                      "WSAttemptAutodialName");
            lpfnWSNoteSuccessfulHostentLookup =
                (PVOID)GetProcAddress(WsRasDllHandle,
                                      "WSNoteSuccessfulHostentLookup");
        }
 
        /* Mark us as loaded */
        WsRasInitialized = TRUE;
    }
 
    /* Release lock */
    WsRasUnlock();
 
    /* Return status */
    return WsRasInitialized;
}

Referenced by WSAttemptAutodialAddr(), WSAttemptAutodialName(), and WSNoteSuccessfulHostentLookup().

◆ WsRasUninitializeAutodial()

VOID WSAAPI WsRasUninitializeAutodial ( VOID )

Definition at line 55 of file rasdial.c.

{
    /* Acquire lock */
    WsRasLock();
 
    /* Free the library if it's loaded */
    if (WsRasDllHandle) FreeLibrary(WsRasDllHandle);
    WsRasDllHandle = NULL;
 
    /* Release and delete lock */
    WsRasUnlock();
    DeleteCriticalSection(&WsRasHelperLock);
}