/*
 * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
 * 
 * The contents of this file constitute Original Code as defined in and are
 * subject to the Apple Public Source License Version 1.2 (the 'License').
 * You may not use this file except in compliance with the License. Please obtain
 * a copy of the License at http://www.apple.com/publicsource and read it before
 * using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
 * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
 * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
 * specific language governing rights and limitations under the License.
 */


/*
 * AppleTPSession.cpp - general session support and (mostly) unimplemented functions
 */

#include "AppleTPSession.h"
#include "TPCertInfo.h"
#include "TPCrlInfo.h"
#include "tpCrlVerify.h"
#include "tpdebugging.h"

AppleTPSession::AppleTPSession(
	CSSM_MODULE_HANDLE theHandle,
	CssmPlugin &plug,
	const CSSM_VERSION &version,
	uint32 subserviceId,
	CSSM_SERVICE_TYPE subserviceType,
	CSSM_ATTACH_FLAGS attachFlags,
	const CSSM_UPCALLS &upcalls)
		: TPPluginSession(theHandle, plug, version, subserviceId, 
							subserviceType,attachFlags, upcalls)
{
}

AppleTPSession::~AppleTPSession()
{
}

void AppleTPSession::CertCreateTemplate(CSSM_CL_HANDLE CLHandle,
		uint32 NumberOfFields,
		const CSSM_FIELD CertFields[],
		CssmData &CertTemplate)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CrlVerify(CSSM_CL_HANDLE CLHandle,
		CSSM_CSP_HANDLE CSPHandle,
		const CSSM_ENCODED_CRL &CrlToBeVerified,
		const CSSM_CERTGROUP &SignerCertGroup,
		const CSSM_TP_VERIFY_CONTEXT *VerifyContext,
		CSSM_TP_VERIFY_CONTEXT_RESULT *RevokerVerifyResult)
{
	/* verify input args */
	if(RevokerVerifyResult != NULL) {
		/* not yet, but probably someday */
		CssmError::throwMe(CSSMERR_TP_INVALID_REQUEST_INPUTS);
	}
	switch(CrlToBeVerified.CrlType) {
		case CSSM_CRL_TYPE_X_509v1:
		case CSSM_CRL_TYPE_X_509v2:
			break;
		default:
			CssmError::throwMe(CSSMERR_TP_INVALID_CRL_TYPE);
	}
	switch(CrlToBeVerified.CrlEncoding) {
		case CSSM_CRL_ENCODING_BER:
		case CSSM_CRL_ENCODING_DER:
			break;
		default:
			CssmError::throwMe(CSSMERR_TP_INVALID_CRL_ENCODING);
	}
	
	/* optional arguments */
	CSSM_TIMESTRING						cssmTimeStr = NULL;
	const CSSM_TP_CALLERAUTH_CONTEXT 	*cred = NULL;
	uint32 								NumberOfAnchorCerts = 0;
	CSSM_DATA_PTR 						AnchorCerts = NULL;
	CSSM_DL_DB_LIST_PTR 				DBList = NULL;
	CSSM_APPLE_TP_ACTION_FLAGS			actionFlags = 0;
	CSSM_APPLE_TP_ACTION_DATA			*actionData = NULL;
	
	if(VerifyContext != NULL) {
		cred = VerifyContext->Cred;
		actionData = 
			(CSSM_APPLE_TP_ACTION_DATA *)VerifyContext->ActionData.Data;
		if(actionData != NULL) {
			switch(actionData->Version) {
				case CSSM_APPLE_TP_ACTION_VERSION:
					if(VerifyContext->ActionData.Length !=
							sizeof(CSSM_APPLE_TP_ACTION_DATA)) {
						CssmError::throwMe(CSSMERR_TP_INVALID_ACTION_DATA);
					}
					break;
				/* handle backwards versions here if we ever go 
				 * beyond version 0 */
				default:
					CssmError::throwMe(CSSMERR_TP_INVALID_ACTION_DATA);
			}
			actionFlags = actionData->ActionFlags;
		}
	}
	if(cred != NULL) {
		cssmTimeStr = cred->VerifyTime;
		NumberOfAnchorCerts = cred->NumberOfAnchorCerts;
		AnchorCerts = cred->AnchorCerts;
		DBList = cred->DBList;
	}
	
	/* this must be parseable, throw immediately if not */
	TPCrlInfo crlToVerify(CLHandle, CSPHandle, &CrlToBeVerified.CrlBlob,
		TIC_NoCopy, cssmTimeStr);
		
	/* required at the API but in fact may be empty */
	TPCertGroup inCertGroup(SignerCertGroup, CLHandle, CSPHandle, *this, 
		cssmTimeStr, 		// optional 'this' time
		false, 				// firstCertMustBeValid
		TGO_Group);	
		
	/* common CRL verify parameters */
	TPCrlVerifyContext vfyCtx(*this,
		CLHandle,
		CSPHandle,
		cssmTimeStr,
		NumberOfAnchorCerts,
		AnchorCerts,
		&inCertGroup,
		NULL,				// no CRLs, we're on our own 
		NULL,				// gatheredCerts, none so far
		DBList,
		kCrlNone,			// policy, varies per policy
		actionFlags,
		0);					// crlOptFlags, varies per policy
		
	/*
	 * We assert the doCrlVerify flag to ensure CRL verification 
	 * if intermediate certs which verifyWithContext() gathers to
	 * verify this CRL.
	 */
	CSSM_RETURN crtn = crlToVerify.verifyWithContext(vfyCtx, NULL, true);
	if(crtn) {
		tpCrlDebug("CrlVerify failure");
		CssmError::throwMe(crtn);
	}
}

void AppleTPSession::CertReclaimKey(const CSSM_CERTGROUP &CertGroup,
		uint32 CertIndex,
		CSSM_LONG_HANDLE KeyCacheHandle,
		CSSM_CSP_HANDLE CSPHandle,
		const CSSM_RESOURCE_CONTROL_CONTEXT *CredAndAclEntry)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

/*** CertGroupVerify, CertGroupConstruct in TPCertGroup.cpp ***/

void AppleTPSession::CertSign(CSSM_CL_HANDLE CLHandle,
		CSSM_CC_HANDLE CCHandle,
		const CssmData &CertTemplateToBeSigned,
		const CSSM_CERTGROUP &SignerCertGroup,
		const CSSM_TP_VERIFY_CONTEXT *SignerVerifyContext,
		CSSM_TP_VERIFY_CONTEXT_RESULT *SignerVerifyResult,
		CssmData &SignedCert)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::TupleGroupToCertGroup(CSSM_CL_HANDLE CLHandle,
		const CSSM_TUPLEGROUP &TupleGroup,
		CSSM_CERTGROUP_PTR &CertTemplates)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::ReceiveConfirmation(const CssmData &ReferenceIdentifier,
		CSSM_TP_CONFIRM_RESPONSE_PTR &Responses,
		sint32 &ElapsedTime)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::PassThrough(CSSM_CL_HANDLE CLHandle,
		CSSM_CC_HANDLE CCHandle,
		const CSSM_DL_DB_LIST *DBList,
		uint32 PassThroughId,
		const void *InputParams,
		void **OutputParams)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CertRemoveFromCrlTemplate(CSSM_CL_HANDLE CLHandle,
		CSSM_CSP_HANDLE CSPHandle,
		const CssmData *OldCrlTemplate,
		const CSSM_CERTGROUP &CertGroupToBeRemoved,
		const CSSM_CERTGROUP &RevokerCertGroup,
		const CSSM_TP_VERIFY_CONTEXT &RevokerVerifyContext,
		CSSM_TP_VERIFY_CONTEXT_RESULT &RevokerVerifyResult,
		CssmData &NewCrlTemplate)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CertRevoke(CSSM_CL_HANDLE CLHandle,
		CSSM_CSP_HANDLE CSPHandle,
		const CssmData *OldCrlTemplate,
		const CSSM_CERTGROUP &CertGroupToBeRevoked,
		const CSSM_CERTGROUP &RevokerCertGroup,
		const CSSM_TP_VERIFY_CONTEXT &RevokerVerifyContext,
		CSSM_TP_VERIFY_CONTEXT_RESULT &RevokerVerifyResult,
		CSSM_TP_CERTCHANGE_REASON Reason,
		CssmData &NewCrlTemplate)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CertReclaimAbort(CSSM_LONG_HANDLE KeyCacheHandle)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CrlCreateTemplate(CSSM_CL_HANDLE CLHandle,
		uint32 NumberOfFields,
		const CSSM_FIELD CrlFields[],
		CssmData &NewCrlTemplate)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CertGroupToTupleGroup(CSSM_CL_HANDLE CLHandle,
		const CSSM_CERTGROUP &CertGroup,
		CSSM_TUPLEGROUP_PTR &TupleGroup)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::FormRequest(const CSSM_TP_AUTHORITY_ID *PreferredAuthority,
		CSSM_TP_FORM_TYPE FormType,
		CssmData &BlankForm)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CrlSign(CSSM_CL_HANDLE CLHandle,
		CSSM_CC_HANDLE CCHandle,
		const CSSM_ENCODED_CRL &CrlToBeSigned,
		const CSSM_CERTGROUP &SignerCertGroup,
		const CSSM_TP_VERIFY_CONTEXT *SignerVerifyContext,
		CSSM_TP_VERIFY_CONTEXT_RESULT *SignerVerifyResult,
		CssmData &SignedCrl)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CertGroupPrune(CSSM_CL_HANDLE CLHandle,
		const CSSM_DL_DB_LIST &DBList,
		const CSSM_CERTGROUP &OrderedCertGroup,
		CSSM_CERTGROUP_PTR &PrunedCertGroup)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::ApplyCrlToDb(CSSM_CL_HANDLE CLHandle,
		CSSM_CSP_HANDLE CSPHandle,
		const CSSM_ENCODED_CRL &CrlToBeApplied,
		const CSSM_CERTGROUP &SignerCertGroup,
		const CSSM_TP_VERIFY_CONTEXT *ApplyCrlVerifyContext,
		CSSM_TP_VERIFY_CONTEXT_RESULT &ApplyCrlVerifyResult)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::CertGetAllTemplateFields(CSSM_CL_HANDLE CLHandle,
		const CssmData &CertTemplate,
		uint32 &NumberOfFields,
		CSSM_FIELD_PTR &CertFields)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::ConfirmCredResult(const CssmData &ReferenceIdentifier,
		const CSSM_TP_CALLERAUTH_CONTEXT *CallerAuthCredentials,
		const CSSM_TP_CONFIRM_RESPONSE &Responses,
		const CSSM_TP_AUTHORITY_ID *PreferredAuthority)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}

void AppleTPSession::FormSubmit(CSSM_TP_FORM_TYPE FormType,
		const CssmData &Form,
		const CSSM_TP_AUTHORITY_ID *ClearanceAuthority,
		const CSSM_TP_AUTHORITY_ID *RepresentedAuthority,
		AccessCredentials *Credentials)
{
	CssmError::throwMe(CSSM_ERRCODE_FUNCTION_NOT_IMPLEMENTED);
}