precomp.h

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#ifndef _DNSRSLVR_PCH_
#define _DNSRSLVR_PCH_

#include <stdarg.h>
#include <stdio.h>

#define WIN32_NO_STATUS
#define _INC_WINDOWS
#define COM_NO_WINDOWS_H

#include <windef.h>
#include <winbase.h>
#include <winnls.h>
#include <winreg.h>
#include <winsvc.h>
#include <windns.h>
#include <windns_undoc.h>

#define NTOS_MODE_USER
#include <ndk/rtlfuncs.h>
#include <ndk/obfuncs.h>

#include <dnsrslvr_s.h>

#include <strsafe.h>

typedef struct _RESOLVER_CACHE_ENTRY
{
    LIST_ENTRY CacheLink;
    BOOL bHostsFileEntry;
    PDNS_RECORDW Record;
} RESOLVER_CACHE_ENTRY, *PRESOLVER_CACHE_ENTRY;

typedef struct _RESOLVER_CACHE
{
    LIST_ENTRY RecordList;
    CRITICAL_SECTION Lock;
} RESOLVER_CACHE, *PRESOLVER_CACHE;


/* cache.c */

VOID DnsIntCacheInitialize(VOID);
VOID DnsIntCacheRemoveEntryItem(PRESOLVER_CACHE_ENTRY CacheEntry);
VOID DnsIntCacheFree(VOID);

#define CACHE_FLUSH_HOSTS_FILE_ENTRIES     0x00000001
#define CACHE_FLUSH_NON_HOSTS_FILE_ENTRIES 0x00000002
#define CACHE_FLUSH_ALL                    0x00000003

DNS_STATUS
DnsIntCacheFlush(
    _In_ ULONG ulFlags);

DNS_STATUS
DnsIntCacheGetEntryByName(
    LPCWSTR Name,
    WORD wType,
    DWORD dwFlags,
    PDNS_RECORDW *Record);

VOID
DnsIntCacheAddEntry(
    _In_ PDNS_RECORDW Record,
    _In_ BOOL bHostsFileEntry);

BOOL
DnsIntCacheRemoveEntryByName(
    _In_ LPCWSTR Name);

DNS_STATUS
DnsIntCacheGetEntries(
    _Out_ DNS_CACHE_ENTRY **ppCacheEntries);


/* hostsfile.c */

BOOL
ReadHostsFile(VOID);

#endif /* _DNSRSLVR_PCH_ */