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[DNSAPI][DNSRSLVR] Implement DnsGetCacheDataTable()

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This commit is contained in:
Eric Kohl 2019-12-22 11:21:04 +01:00
parent 6499cf9e1a
commit 6c7878f35e
7 changed files with 124 additions and 14 deletions
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57
base/services/dnsrslvr/cache.c
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@ -203,3 +203,60 @@ DnsIntCacheAddEntry(PDNS_RECORDW Record)
/* Release the cache */
DnsCacheUnlock();
}
DNS_STATUS
DnsIntCacheGetEntries(
_Out_ DNS_CACHE_ENTRY **ppCacheEntries)
{
PRESOLVER_CACHE_ENTRY CacheEntry;
PLIST_ENTRY NextEntry;
PDNS_CACHE_ENTRY pLastEntry = NULL, pNewEntry;
/* Lock the cache */
DnsCacheLock();
*ppCacheEntries = NULL;
NextEntry = DnsCache.RecordList.Flink;
while (NextEntry != &DnsCache.RecordList)
{
/* Get the Current Entry */
CacheEntry = CONTAINING_RECORD(NextEntry, RESOLVER_CACHE_ENTRY, CacheLink);
DPRINT("1 %S %lu\n", CacheEntry->Record->pName, CacheEntry->Record->wType);
if (CacheEntry->Record->pNext)
{
DPRINT("2 %S %lu\n", CacheEntry->Record->pNext->pName, CacheEntry->Record->pNext->wType);
}
pNewEntry = midl_user_allocate(sizeof(DNS_CACHE_ENTRY));
if (pNewEntry == NULL)
{
return ERROR_OUTOFMEMORY;
}
pNewEntry->pszName = midl_user_allocate((wcslen(CacheEntry->Record->pName) + 1) * sizeof(WCHAR));
if (pNewEntry->pszName == NULL)
{
return ERROR_OUTOFMEMORY;
}
wcscpy(pNewEntry->pszName, CacheEntry->Record->pName);
pNewEntry->wType1 = CacheEntry->Record->wType;
pNewEntry->wType2 = 0;
pNewEntry->wFlags = 0;
if (pLastEntry == NULL)
*ppCacheEntries = pNewEntry;
else
pLastEntry->pNext = pNewEntry;
pLastEntry = pNewEntry;
NextEntry = NextEntry->Flink;
}
/* Release the cache */
DnsCacheUnlock();
return ERROR_SUCCESS;
}

3
base/services/dnsrslvr/precomp.h
View file

@ -54,6 +54,9 @@ DnsIntCacheGetEntryByName(
VOID DnsIntCacheAddEntry(PDNS_RECORDW Record);
BOOL DnsIntCacheRemoveEntryByName(LPCWSTR Name);
DNS_STATUS
DnsIntCacheGetEntries(
_Out_ DNS_CACHE_ENTRY **ppCacheEntries);
/* hostsfile.c */

16
base/services/dnsrslvr/rpcserver.c
View file

@ -41,6 +41,21 @@ RpcThreadRoutine(LPVOID lpParameter)
return 0;
}
/* Function: 0x00 */
DWORD
__stdcall
CRrReadCache(
_In_ DNSRSLVR_HANDLE pwszServerName,
_Out_ DNS_CACHE_ENTRY **ppCacheEntries)
{
DPRINT("CRrReadCache(%S %p)\n",
pwszServerName, ppCacheEntries);
return DnsIntCacheGetEntries(ppCacheEntries);
}
/* Function: 0x04 */
DWORD
__stdcall
@ -54,6 +69,7 @@ R_ResolverFlushCache(
return ERROR_SUCCESS;
}
/* Function: 0x07 */
DWORD
__stdcall