nscatent.c File Reference

#include <ws2_32.h>

Include dependency graph for nscatent.c:

Go to the source code of this file.

Functions
PNSCATALOG_ENTRY WSAAPI	WsNcEntryAllocate (VOID)
VOID WSAAPI	WsNcEntryDelete (IN PNSCATALOG_ENTRY CatalogEntry)
VOID WSAAPI	WsNcEntryDereference (IN PNSCATALOG_ENTRY CatalogEntry)
INT WSAAPI	WsNcEntryInitializeFromRegistry (IN PNSCATALOG_ENTRY CatalogEntry, IN HKEY ParentKey, IN ULONG UniqueId)
VOID WSAAPI	WsNcEntrySetProvider (IN PNSCATALOG_ENTRY Entry, IN PNS_PROVIDER Provider)

Function Documentation

WsNcEntryAllocate()

PNSCATALOG_ENTRY WSAAPI WsNcEntryAllocate

(

VOID

)

Definition at line 17 of file nscatent.c.

{
    PNSCATALOG_ENTRY CatalogEntry;
 
    /* Allocate the catalog */
    CatalogEntry = HeapAlloc(WsSockHeap, HEAP_ZERO_MEMORY, sizeof(*CatalogEntry));
    if (CatalogEntry)
    {
        /* Set the default non-null members */
        CatalogEntry->RefCount = 1;
        CatalogEntry->Enabled = TRUE;
        CatalogEntry->AddressFamily = -1;
    }
 
    /* Return it */
    return CatalogEntry;
}

Referenced by WsNcRefreshFromRegistry().

WsNcEntryDelete()

VOID WSAAPI WsNcEntryDelete

(

IN PNSCATALOG_ENTRY

CatalogEntry

)

Definition at line 37 of file nscatent.c.

{
    /* Check if a provider is loaded */
    if (CatalogEntry->Provider)
    {
        /* Dereference it too */
        WsNpDereference(CatalogEntry->Provider);
        CatalogEntry->Provider = NULL;
    }
 
    /* Delete us */
    HeapFree(WsSockHeap, 0, CatalogEntry);
}

Referenced by WsNcEntryDereference().

WsNcEntryDereference()

VOID WSAAPI WsNcEntryDereference

(

IN PNSCATALOG_ENTRY

CatalogEntry

)

Definition at line 53 of file nscatent.c.

{
    /* Dereference and check if it's now 0 */
    if (!(InterlockedDecrement(&CatalogEntry->RefCount)))
    {
        /* We can delete the Provider now */
        WsNcEntryDelete(CatalogEntry);
    }
}

Referenced by WsNcDelete(), WsNcRefreshFromRegistry(), and WsNcUpdateNamespaceList().

WsNcEntryInitializeFromRegistry()

INT WSAAPI WsNcEntryInitializeFromRegistry	(	IN PNSCATALOG_ENTRY	CatalogEntry,
		IN HKEY	ParentKey,
		IN ULONG	UniqueId
	)

Definition at line 65 of file nscatent.c.

{
    INT ErrorCode;
    CHAR CatalogEntryName[13];
    HKEY EntryKey;
    ULONG RegType = REG_SZ;
    ULONG RegSize = MAX_PATH;
    ULONG RegValue;
 
    /* Convert to a 00000xxx string */
    sprintf(CatalogEntryName, "%0""12""i", (int)UniqueId);
 
    /* Open the Entry */
    ErrorCode = RegOpenKeyEx(ParentKey,
                             CatalogEntryName,
                             0,
                             KEY_READ,
                             &EntryKey);
    if (ErrorCode != ERROR_SUCCESS) return ErrorCode;
    /* Read the Library Path */
    ErrorCode = RegQueryValueExW(EntryKey,
                                 L"LibraryPath",
                                 0,
                                 &RegType,
                                 (LPBYTE)&CatalogEntry->DllPath,
                                 &RegSize);
    if (ErrorCode != ERROR_SUCCESS) goto out;
    /* Query Display String Size*/
    ErrorCode = RegQueryValueExW(EntryKey,
                                 L"DisplayString",
                                 0,
                                 NULL,
                                 NULL,
                                 &RegSize);
    if (ErrorCode != ERROR_SUCCESS) goto out;
    /* Allocate it */
    CatalogEntry->ProviderName = (LPWSTR)HeapAlloc(WsSockHeap, 0, RegSize);
 
    /* Read it */
    ErrorCode = RegQueryValueExW(EntryKey,
                                 L"DisplayString",
                                 0,
                                 &RegType,
                                 (LPBYTE)CatalogEntry->ProviderName,
                                 &RegSize);
    if (ErrorCode != ERROR_SUCCESS) goto out;
    /* Read the Provider Id */
    RegType = REG_BINARY;
    RegSize = sizeof(GUID);
    ErrorCode = RegQueryValueEx(EntryKey,
                                "ProviderId",
                                0,
                                &RegType,
                                (LPBYTE)&CatalogEntry->ProviderId,
                                &RegSize);
    if (ErrorCode != ERROR_SUCCESS) goto out;
    /* Read the Address Family */
    RegType = REG_DWORD;
    RegSize = sizeof(DWORD);
    ErrorCode = RegQueryValueEx(EntryKey,
                                "AddressFamily",
                                0,
                                &RegType,
                                (LPBYTE)&CatalogEntry->AddressFamily,
                                &RegSize);
    if (ErrorCode != ERROR_SUCCESS) goto out;
    /* Read the Namespace Id */
    ErrorCode = RegQueryValueEx(EntryKey,
                                "SupportedNamespace",
                                0,
                                &RegType,
                                (LPBYTE)&CatalogEntry->NamespaceId,
                                &RegSize);
    if (ErrorCode != ERROR_SUCCESS) goto out;
    /* Read the Enabled Flag */
    ErrorCode = RegQueryValueEx(EntryKey,
                                "Enabled",
                                0,
                                &RegType,
                                (LPBYTE)&RegValue,
                                &RegSize);
    if (ErrorCode != ERROR_SUCCESS) goto out;
    CatalogEntry->Enabled = RegValue != 0;
 
    /* Read the Version */
    ErrorCode = RegQueryValueEx(EntryKey,
                                "Version",
                                0,
                                &RegType,
                                (LPBYTE)&CatalogEntry->Version,
                                &RegSize);
    if (ErrorCode != ERROR_SUCCESS) goto out;
    /* Read the Support Service Class Info Flag */
    ErrorCode = RegQueryValueEx(EntryKey,
                                "StoresServiceClassInfo",
                                0,
                                &RegType,
                                (LPBYTE)&RegValue,
                                &RegSize);
    CatalogEntry->StoresServiceClassInfo = RegValue != 0;
out:
    /* Done */
    RegCloseKey(EntryKey);
    return ErrorCode;
}

Referenced by WsNcRefreshFromRegistry().

WsNcEntrySetProvider()

VOID WSAAPI WsNcEntrySetProvider	(	IN PNSCATALOG_ENTRY	Entry,
		IN PNS_PROVIDER	Provider
	)

Definition at line 175 of file nscatent.c.

{
    /* Reference the provider */
    InterlockedIncrement(&Provider->RefCount);
 
    /* Set it */
    Entry->Provider = Provider;
}

Referenced by WsNcLoadProvider().