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https://github.com/rsyslog/rsyslog.git
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85b587f93d
The TLS server now checks the client fingerprint. This works, but is highly experimental. Needs to be refined for practice. Also: - implemented permittedPeers helper construct to store names - changed omfwd implementation to use new permittedPeers
93 lines
4.0 KiB
C
93 lines
4.0 KiB
C
/* Definitions for tcpsrv class.
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*
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* Copyright 2008 Rainer Gerhards and Adiscon GmbH.
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*
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* This file is part of rsyslog.
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*
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* Rsyslog is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Rsyslog is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Rsyslog. If not, see <http://www.gnu.org/licenses/>.
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*
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* A copy of the GPL can be found in the file "COPYING" in this distribution.
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*/
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#ifndef INCLUDED_TCPSRV_H
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#define INCLUDED_TCPSRV_H
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#include "obj.h"
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#include "tcps_sess.h"
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/* the tcpsrv object */
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struct tcpsrv_s {
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BEGINobjInstance; /**< Data to implement generic object - MUST be the first data element! */
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netstrms_t *pNS; /**< pointer to network stream subsystem */
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int iDrvrMode; /**< mode of the stream driver to use */
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uchar *pszDrvrAuthMode; /**< auth mode of the stream driver to use */
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permittedPeers_t *pPermPeers;/**< driver's permitted peers */
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int iLstnMax; /**< max nbr of listeners currently supported */
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netstrm_t **ppLstn; /**< our netstream listners */
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int iSessMax; /**< max number of sessions supported */
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char *TCPLstnPort; /**< the port the listener shall listen on */
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tcps_sess_t **pSessions;/**< array of all of our sessions */
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void *pUsr; /**< a user-settable pointer (provides extensibility for "derived classes")*/
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/* callbacks */
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int (*pIsPermittedHost)(struct sockaddr *addr, char *fromHostFQDN, void*pUsrSrv, void*pUsrSess);
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int (*pRcvData)(tcps_sess_t*, char*, size_t);
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rsRetVal (*OpenLstnSocks)(struct tcpsrv_s*);
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rsRetVal (*pOnListenDeinit)(void*);
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rsRetVal (*OnDestruct)(void*);
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rsRetVal (*pOnRegularClose)(tcps_sess_t *pSess);
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rsRetVal (*pOnErrClose)(tcps_sess_t *pSess);
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/* session specific callbacks */
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rsRetVal (*pOnSessAccept)(tcpsrv_t *, tcps_sess_t*);
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rsRetVal (*OnSessConstructFinalize)(void*);
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rsRetVal (*pOnSessDestruct)(void*);
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};
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/* interfaces */
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BEGINinterface(tcpsrv) /* name must also be changed in ENDinterface macro! */
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INTERFACEObjDebugPrint(tcpsrv);
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rsRetVal (*Construct)(tcpsrv_t **ppThis);
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rsRetVal (*ConstructFinalize)(tcpsrv_t __attribute__((unused)) *pThis);
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rsRetVal (*Destruct)(tcpsrv_t **ppThis);
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void (*configureTCPListen)(tcpsrv_t*, char *cOptarg);
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rsRetVal (*SessAccept)(tcpsrv_t *pThis, tcps_sess_t **ppSess, netstrm_t *pStrm);
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rsRetVal (*create_tcp_socket)(tcpsrv_t *pThis);
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rsRetVal (*Run)(tcpsrv_t *pThis);
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/* set methods */
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rsRetVal (*SetUsrP)(tcpsrv_t*, void*);
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rsRetVal (*SetCBIsPermittedHost)(tcpsrv_t*, int (*) (struct sockaddr *addr, char*, void*, void*));
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rsRetVal (*SetCBOpenLstnSocks)(tcpsrv_t *, rsRetVal (*)(tcpsrv_t*));
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rsRetVal (*SetCBRcvData)(tcpsrv_t *, int (*)(tcps_sess_t*, char*, size_t));
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rsRetVal (*SetCBOnListenDeinit)(tcpsrv_t*, rsRetVal (*)(void*));
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rsRetVal (*SetCBOnDestruct)(tcpsrv_t*, rsRetVal (*) (void*));
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rsRetVal (*SetCBOnRegularClose)(tcpsrv_t*, rsRetVal (*) (tcps_sess_t*));
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rsRetVal (*SetCBOnErrClose)(tcpsrv_t*, rsRetVal (*) (tcps_sess_t*));
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rsRetVal (*SetDrvrMode)(tcpsrv_t *pThis, int iMode);
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rsRetVal (*SetDrvrAuthMode)(tcpsrv_t *pThis, uchar *pszMode);
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rsRetVal (*SetDrvrPermPeers)(tcpsrv_t *pThis, permittedPeers_t*);
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/* session specifics */
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rsRetVal (*SetCBOnSessAccept)(tcpsrv_t*, rsRetVal (*) (tcpsrv_t*, tcps_sess_t*));
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rsRetVal (*SetCBOnSessDestruct)(tcpsrv_t*, rsRetVal (*) (void*));
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rsRetVal (*SetCBOnSessConstructFinalize)(tcpsrv_t*, rsRetVal (*) (void*));
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ENDinterface(tcpsrv)
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#define tcpsrvCURR_IF_VERSION 3 /* increment whenever you change the interface structure! */
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/* prototypes */
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PROTOTYPEObj(tcpsrv);
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/* the name of our library binary */
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#define LM_TCPSRV_FILENAME "lmtcpsrv"
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#endif /* #ifndef INCLUDED_TCPSRV_H */
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