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/* Definitions for the stream-based netstrmsworking class.
 *
 * Copyright 2007-2021 Rainer Gerhards and Adiscon GmbH.
 *
 * This file is part of the rsyslog runtime library.
 *
 * The rsyslog runtime library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * The rsyslog runtime library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with the rsyslog runtime library.  If not, see <http://www.gnu.org/licenses/>.
 *
 * A copy of the GPL can be found in the file "COPYING" in this distribution.
 * A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
 */

#ifndef INCLUDED_NETSTRMS_H
#define INCLUDED_NETSTRMS_H

#include "nsd.h" /* we need our driver interface to be defined */

/* the netstrms object */
struct netstrms_s {
	BEGINobjInstance;	/* Data to implement generic object - MUST be the first data element! */
	uchar *pBaseDrvrName;	/**< nsd base driver name to use, or NULL if system default */
	uchar *pDrvrName;	/**< full base driver name (set when driver is loaded) */
	int iDrvrMode;		/**< current default driver mode */
	uchar *pszDrvrAuthMode;	/**< current driver authentication mode */
	int DrvrChkExtendedKeyUsage;		/**< if true, verify extended key usage in certs */
	int DrvrPrioritizeSan;		/**< if true, perform stricter checking of names in certs */
	int DrvrVerifyDepth;		/**< Verify Depth for certificate chains */
	uchar *pszDrvrPermitExpiredCerts;
	const uchar *pszDrvrCAFile;
	const uchar *pszDrvrCRLFile;
	const uchar *pszDrvrKeyFile;
	const uchar *pszDrvrCertFile;
	uchar *gnutlsPriorityString; /**< priorityString for connection */
	permittedPeers_t *pPermPeers;/**< current driver's permitted peers */
	rsRetVal(*fLstnInitDrvr)(netstrm_t*); /**< "late" driver-specific lstn init function NULL if none */

	nsd_if_t Drvr;		/**< our stream driver */
};


/* interface */
BEGINinterface(netstrms) /* name must also be changed in ENDinterface macro! */
	rsRetVal (*Construct)(netstrms_t **ppThis);
	rsRetVal (*ConstructFinalize)(netstrms_t *pThis);
	rsRetVal (*Destruct)(netstrms_t **ppThis);
	rsRetVal (*CreateStrm)(netstrms_t *pThis, netstrm_t **ppStrm);
	rsRetVal (*SetDrvrName)(netstrms_t *pThis, uchar *pszName);
	rsRetVal (*SetDrvrMode)(netstrms_t *pThis, int iMode);
	rsRetVal (*SetDrvrAuthMode)(netstrms_t *pThis, uchar*);
	rsRetVal (*SetDrvrPermitExpiredCerts)(netstrms_t *pThis, uchar*);
	rsRetVal (*SetDrvrPermPeers)(netstrms_t *pThis, permittedPeers_t*);
	int      (*GetDrvrMode)(netstrms_t *pThis);
	uchar*   (*GetDrvrAuthMode)(netstrms_t *pThis);
	uchar*   (*GetDrvrPermitExpiredCerts)(netstrms_t *pThis);
	permittedPeers_t* (*GetDrvrPermPeers)(netstrms_t *pThis);
	rsRetVal (*SetDrvrGnutlsPriorityString)(netstrms_t *pThis, uchar*);
	uchar*   (*GetDrvrGnutlsPriorityString)(netstrms_t *pThis);
	rsRetVal (*SetDrvrCheckExtendedKeyUsage)(netstrms_t *pThis, int ChkExtendedKeyUsage);
	int      (*GetDrvrCheckExtendedKeyUsage)(netstrms_t *pThis);
	rsRetVal (*SetDrvrPrioritizeSAN)(netstrms_t *pThis, int prioritizeSan);
	int      (*GetDrvrPrioritizeSAN)(netstrms_t *pThis);
	rsRetVal (*SetDrvrTlsVerifyDepth)(netstrms_t *pThis, int verifyDepth);
	int      (*GetDrvrTlsVerifyDepth)(netstrms_t *pThis);
	/* v2 */
	rsRetVal (*SetDrvrTlsCAFile)(netstrms_t *pThis, const uchar *);
	const uchar* (*GetDrvrTlsCAFile)(netstrms_t *pThis);
	rsRetVal (*SetDrvrTlsKeyFile)(netstrms_t *pThis, const uchar *);
	const uchar* (*GetDrvrTlsKeyFile)(netstrms_t *pThis);
	rsRetVal (*SetDrvrTlsCertFile)(netstrms_t *pThis, const uchar *);
	const uchar* (*GetDrvrTlsCertFile)(netstrms_t *pThis);
	/* v3 */
	rsRetVal (*SetDrvrTlsCRLFile)(netstrms_t *pThis, const uchar *);
	const uchar* (*GetDrvrTlsCRLFile)(netstrms_t *pThis);
ENDinterface(netstrms)
#define netstrmsCURR_IF_VERSION 3 /* increment whenever you change the interface structure! */

/* prototypes */
PROTOTYPEObj(netstrms);

/* the name of our library binary */
#define LM_NETSTRMS_FILENAME "lmnetstrms"

#endif /* #ifndef INCLUDED_NETSTRMS_H */