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125 lines
3.5 KiB
C
125 lines
3.5 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS system libraries
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* FILE: lib/dnsapi/dnsapi/context.c
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* PURPOSE: DNSAPI functions built on the ADNS library.
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* PROGRAMER: Art Yerkes
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* UPDATE HISTORY:
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* 12/15/03 -- Created
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*/
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#include "precomp.h"
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#define NDEBUG
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#include <debug.h>
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/* DnsAcquireContextHandle *************
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* Create a context handle that will allow us to open and retrieve queries.
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*
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* DWORD CredentialsFlags -- TRUE -- Unicode
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* FALSE -- Ansi or UTF-8?
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*
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* PVOID Credentials -- Pointer to a SEC_WINNT_AUTH_IDENTITY
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* TODO: Use it.
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*
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* PHANDLE ContextHandle -- Pointer to a HANDLE that will receive
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* our context pointer.
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*
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* RETURNS:
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* ERROR_SUCCESS or a failure code.
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* TODO: Which ones area allowed?
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*/
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extern DNS_STATUS WINAPI DnsAcquireContextHandle_UTF8(DWORD CredentialsFlags, PVOID Credentials, HANDLE *ContextHandle);
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DNS_STATUS WINAPI
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DnsAcquireContextHandle_W(DWORD CredentialsFlags,
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PVOID Credentials,
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HANDLE *ContextHandle)
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{
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if(CredentialsFlags)
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{
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PWINDNS_CONTEXT Context;
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int adns_status;
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/* For now, don't worry about the user's identity. */
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Context = (PWINDNS_CONTEXT)RtlAllocateHeap(RtlGetProcessHeap(), 0, sizeof(WINDNS_CONTEXT));
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if(!Context)
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{
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*ContextHandle = 0;
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return ERROR_OUTOFMEMORY;
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}
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/* The real work here is to create an adns_state that will help us
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* do what we want to later. */
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adns_status = adns_init(&Context->State, adns_if_noenv | adns_if_noerrprint | adns_if_noserverwarn, 0);
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if(adns_status != adns_s_ok)
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{
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*ContextHandle = 0;
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RtlFreeHeap(RtlGetProcessHeap(), 0, Context);
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return DnsIntTranslateAdnsToDNS_STATUS(adns_status);
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}
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else
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{
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*ContextHandle = (HANDLE)Context;
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return ERROR_SUCCESS;
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}
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}
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else
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{
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return DnsAcquireContextHandle_UTF8(CredentialsFlags, Credentials, ContextHandle);
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}
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}
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DNS_STATUS WINAPI
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DnsAcquireContextHandle_UTF8(DWORD CredentialsFlags,
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PVOID Credentials,
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HANDLE *ContextHandle)
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{
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if( CredentialsFlags )
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{
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return DnsAcquireContextHandle_W(CredentialsFlags, Credentials, ContextHandle);
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}
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else
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{
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/* Convert to unicode, then call the _W version
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* For now, there is no conversion */
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DNS_STATUS Status;
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Status = DnsAcquireContextHandle_W(TRUE, Credentials, /* XXX arty */ ContextHandle);
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/* Free the unicode credentials when they exist. */
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return Status;
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}
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}
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DNS_STATUS WINAPI
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DnsAcquireContextHandle_A(DWORD CredentialFlags,
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PVOID Credentials,
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HANDLE *ContextHandle)
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{
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if(CredentialFlags)
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{
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return DnsAcquireContextHandle_W(CredentialFlags, Credentials, ContextHandle);
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}
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else
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{
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return DnsAcquireContextHandle_UTF8(CredentialFlags, Credentials, ContextHandle);
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}
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}
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/* DnsReleaseContextHandle *************
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* Release a context handle, freeing all resources.
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*/
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void WINAPI
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DnsReleaseContextHandle(HANDLE ContextHandle)
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{
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PWINDNS_CONTEXT Context = (PWINDNS_CONTEXT)ContextHandle;
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adns_finish(Context->State);
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RtlFreeHeap(RtlGetProcessHeap(), 0, Context);
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}
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