/******************************************************************************
* DnsNameCompare_A [DNSAPI.@]
*
*/
BOOL WINAPI DnsNameCompare_A( LPSTR name1, LPSTR name2 )
{
BOOL ret;
LPWSTR name1W, name2W;
TRACE( "(%s,%s)\n", debugstr_a(name1), debugstr_a(name2) );
name1W = dns_strdup_aw( name1 );
name2W = dns_strdup_aw( name2 );
ret = DnsNameCompare_W( name1W, name2W );
dns_free( name1W );
dns_free( name2W );
return ret;
}
PDNS_BLOB
WINAPI
SaBlob_Query(IN LPWSTR Name,
IN WORD DnsType,
IN ULONG Flags,
IN PVOID *Reserved,
IN DWORD AddressFamily)
{
PDNS_RECORD DnsRecord = NULL;
INT ErrorCode;
PDNS_BLOB DnsBlob = NULL;
LPWSTR LocalName, LocalNameCopy;
/* If they want reserved data back, clear it out in case we fail */
if (Reserved) *Reserved = NULL;
/* Query DNS */
ErrorCode = DnsQuery_W(Name,
DnsType,
Flags,
NULL,
&DnsRecord,
Reserved);
if (ErrorCode != ERROR_SUCCESS)
{
/* We failed... did the caller use reserved data? */
if (Reserved && *Reserved)
{
/* He did, and it was valid. Free it */
DnsApiFree(*Reserved);
*Reserved = NULL;
}
/* Normalize error code */
if (ErrorCode == RPC_S_SERVER_UNAVAILABLE) ErrorCode = WSATRY_AGAIN;
goto Quickie;
}
/* Now create the Blob from the DNS Records */
DnsBlob = SaBlob_CreateFromRecords(DnsRecord, TRUE, DnsType);
if (!DnsBlob)
{
/* Failed, get error code */
ErrorCode = GetLastError();
goto Quickie;
}
/* Make sure it has a name */
if (!DnsBlob->Name)
{
/* It doesn't, fail */
ErrorCode = DNS_INFO_NO_RECORDS;
goto Quickie;
}
/* Check if the name is local or loopback */
if (!(DnsNameCompare_W(DnsBlob->Name, L"localhost")) &&
!(DnsNameCompare_W(DnsBlob->Name, L"loopback")))
{
/* Nothing left to do, exit! */
goto Quickie;
}
/* This is a local name...query it */
LocalName = DnsQueryConfigAllocEx(DnsConfigFullHostName_W, NULL, NULL);
if (LocalName)
{
/* Create a copy for the caller */
LocalNameCopy = Dns_CreateStringCopy_W(LocalName);
if (LocalNameCopy)
{
/* Overwrite the one in the blob */
DnsBlob->Name = LocalNameCopy;
}
else
{
/* We failed to make a copy, free memory */
DnsApiFree(LocalName);
}
}
Quickie:
/* Free the DNS Record if we have one */
if (DnsRecord) DnsRecordListFree(DnsRecord, DnsFreeRecordList);
/* Check if this is a failure path with an active blob */
if ((ErrorCode != ERROR_SUCCESS) && (DnsBlob))
{
/* Free the blob */
SaBlob_Free(DnsBlob);
DnsBlob = NULL;
}
/* Set the last error and return */
SetLastError(ErrorCode);
return DnsBlob;
}
