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/* tcpsrv.c * * Common code for plain TCP based servers. This is currently being * utilized by imtcp and imgssapi. * * There are actually two classes within the tcpserver code: one is * the tcpsrv itself, the other one is its sessions. This is a helper * class to tcpsrv. * * The common code here calls upon specific functionality by using * callbacks. The specialised input modules need to set the proper * callbacks before the code is run. The tcpsrv then calls back * into the specific input modules at the appropriate time. * * NOTE: read comments in module-template.h to understand how this file * works! * * File begun on 2007-12-21 by RGerhards (extracted from syslogd.c) * * Copyright 2007, 2008 Rainer Gerhards and Adiscon GmbH. * * This file is part of rsyslog. * * Rsyslog is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Rsyslog 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Rsyslog. If not, see <http://www.gnu.org/licenses/>. * * A copy of the GPL can be found in the file "COPYING" in this distribution. */ #include "config.h" #include <stdlib.h> #include <assert.h> #include <string.h> #include <errno.h> #include <unistd.h> #include <stdarg.h> #include <ctype.h> #include <netinet/in.h> #include <netdb.h> #include <sys/types.h> #include <sys/socket.h> #if HAVE_FCNTL_H #include <fcntl.h> #endif #include "rsyslog.h" #include "dirty.h" #include "cfsysline.h" #include "module-template.h" #include "net.h" #include "srUtils.h" #include "conf.h" #include "tcpsrv.h" #include "obj.h" #include "glbl.h" #include "netstrms.h" #include "netstrm.h" #include "nssel.h" #include "errmsg.h" MODULE_TYPE_LIB /* defines */ #define TCPSESS_MAX_DEFAULT 200 /* default for nbr of tcp sessions if no number is given */ #define TCPLSTN_MAX_DEFAULT 20 /* default for nbr of listeners */ /* static data */ DEFobjStaticHelpers DEFobjCurrIf(conf) DEFobjCurrIf(glbl) DEFobjCurrIf(tcps_sess) DEFobjCurrIf(errmsg) DEFobjCurrIf(net) DEFobjCurrIf(netstrms) DEFobjCurrIf(netstrm) DEFobjCurrIf(nssel) /* configure TCP listener settings. This is called during command * line parsing. The argument following -t is supplied as an argument. * The format of this argument is * "<port-to-use>, <nbr-of-sessions>" * Typically, there is no whitespace between port and session number. * (but it may be...). * NOTE: you can not use dbgprintf() in here - the dbgprintf() system is * not yet initilized when this function is called. * rgerhards, 2007-06-21 * The port in cOptarg is handed over to us - the caller MUST NOT free it! * rgerhards, 2008-03-20 */ static void configureTCPListen(tcpsrv_t *pThis, char *cOptarg) { register int i; register char *pArg = cOptarg; assert(cOptarg != NULL); ISOBJ_TYPE_assert(pThis, tcpsrv); /* extract port */ i = 0; while(isdigit((int) *pArg)) { i = i * 10 + *pArg++ - '0'; } if(pThis->TCPLstnPort != NULL) { free(pThis->TCPLstnPort); pThis->TCPLstnPort = NULL; } if( i >= 0 && i <= 65535) { pThis->TCPLstnPort = cOptarg; } else { errmsg.LogError(0, NO_ERRCODE, "Invalid TCP listen port %s - changed to 514.\n", cOptarg); } } /* Initialize the session table * returns 0 if OK, somewhat else otherwise */ static rsRetVal TCPSessTblInit(tcpsrv_t *pThis) { DEFiRet; ISOBJ_TYPE_assert(pThis, tcpsrv); assert(pThis->pSessions == NULL); dbgprintf("Allocating buffer for %d TCP sessions.\n", pThis->iSessMax); if((pThis->pSessions = (tcps_sess_t **) calloc(pThis->iSessMax, sizeof(tcps_sess_t *))) == NULL) { dbgprintf("Error: TCPSessInit() could not alloc memory for TCP session table.\n"); ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY); } finalize_it: RETiRet; } /* find a free spot in the session table. If the table * is full, -1 is returned, else the index of the free * entry (0 or higher). */ static int TCPSessTblFindFreeSpot(tcpsrv_t *pThis) { register int i; ISOBJ_TYPE_assert(pThis, tcpsrv); for(i = 0 ; i < pThis->iSessMax ; ++i) { if(pThis->pSessions[i] == NULL) break; } return((i < pThis->iSessMax) ? i : -1); } /* Get the next session index. Free session tables entries are * skipped. This function is provided the index of the last * session entry, or -1 if no previous entry was obtained. It * returns the index of the next session or -1, if there is no * further entry in the table. Please note that the initial call * might as well return -1, if there is no session at all in the * session table. */ static int TCPSessGetNxtSess(tcpsrv_t *pThis, int iCurr) { register int i; BEGINfunc ISOBJ_TYPE_assert(pThis, tcpsrv); assert(pThis->pSessions != NULL); for(i = iCurr + 1 ; i < pThis->iSessMax ; ++i) { if(pThis->pSessions[i] != NULL) break; } ENDfunc return((i < pThis->iSessMax) ? i : -1); } /* De-Initialize TCP listner sockets. * This function deinitializes everything, including freeing the * session table. No TCP listen receive operations are permitted * unless the subsystem is reinitialized. * rgerhards, 2007-06-21 */ static void deinit_tcp_listener(tcpsrv_t *pThis) { int i; ISOBJ_TYPE_assert(pThis, tcpsrv); if(pThis->pSessions != NULL) { /* close all TCP connections! */ i = TCPSessGetNxtSess(pThis, -1); while(i != -1) { tcps_sess.Destruct(&pThis->pSessions[i]); /* now get next... */ i = TCPSessGetNxtSess(pThis, i); } /* we are done with the session table - so get rid of it... */ free(pThis->pSessions); pThis->pSessions = NULL; /* just to make sure... */ } if(pThis->TCPLstnPort != NULL) free(pThis->TCPLstnPort); /* finally close our listen streams */ for(i = 0 ; i < pThis->iLstnMax ; ++i) { netstrm.Destruct(pThis->ppLstn + i); } } /* add a listen socket to our listen socket array. This is a callback * invoked from the netstrm class. -- rgerhards, 2008-04-23 */ static rsRetVal addTcpLstn(void *pUsr, netstrm_t *pLstn) { tcpsrv_t *pThis = (tcpsrv_t*) pUsr; DEFiRet; ISOBJ_TYPE_assert(pThis, tcpsrv); ISOBJ_TYPE_assert(pLstn, netstrm); if(pThis->iLstnMax >= TCPLSTN_MAX_DEFAULT) ABORT_FINALIZE(RS_RET_MAX_LSTN_REACHED); pThis->ppLstn[pThis->iLstnMax] = pLstn; ++pThis->iLstnMax; finalize_it: RETiRet; } /* Initialize TCP sockets (for listener) and listens on them */ static rsRetVal create_tcp_socket(tcpsrv_t *pThis) { DEFiRet; uchar *TCPLstnPort; ISOBJ_TYPE_assert(pThis, tcpsrv); if(!strcmp((char*)pThis->TCPLstnPort, "0")) TCPLstnPort = (uchar*)"514"; // TODO: we need to enable the caller to set a port (based on who is // using this, 514 may be totally unsuitable... --- rgerhards, 2008-04-22 /* use default - we can not do service db update, because there is * no IANA-assignment for syslog/tcp. In the long term, we might * re-use RFC 3195 port of 601, but that would probably break to * many existing configurations. * rgerhards, 2007-06-28 */ else TCPLstnPort = (uchar*)pThis->TCPLstnPort; /* TODO: add capability to specify local listen address! */ CHKiRet(netstrm.LstnInit(pThis->pNS, (void*)pThis, addTcpLstn, TCPLstnPort, NULL, pThis->iSessMax)); /* OK, we had success. Now it is also time to * initialize our connections */ if(TCPSessTblInit(pThis) != 0) { /* OK, we are in some trouble - we could not initialize the * session table, so we can not continue. We need to free all * we have assigned so far, because we can not really use it... */ errmsg.LogError(0, RS_RET_ERR, "Could not initialize TCP session table, suspending TCP message reception."); ABORT_FINALIZE(RS_RET_ERR); } finalize_it: RETiRet; } /* Accept new TCP connection; make entry in session table. If there * is no more space left in the connection table, the new TCP * connection is immediately dropped. * ppSess has a pointer to the newly created session, if it succeds. * If it does not succeed, no session is created and ppSess is * undefined. If the user has provided an OnSessAccept Callback, * this one is executed immediately after creation of the * session object, so that it can do its own initialization. * rgerhards, 2008-03-02 */ static rsRetVal SessAccept(tcpsrv_t *pThis, tcps_sess_t **ppSess, netstrm_t *pStrm) { DEFiRet; tcps_sess_t *pSess = NULL; netstrm_t *pNewStrm = NULL; int iSess = -1; struct sockaddr_storage *addr; uchar *fromHostFQDN = NULL; uchar *fromHostIP = NULL; ISOBJ_TYPE_assert(pThis, tcpsrv); CHKiRet(netstrm.AcceptConnReq(pStrm, &pNewStrm)); /* Add to session list */ iSess = TCPSessTblFindFreeSpot(pThis); if(iSess == -1) { errno = 0; errmsg.LogError(0, RS_RET_MAX_SESS_REACHED, "too many tcp sessions - dropping incoming request"); ABORT_FINALIZE(RS_RET_MAX_SESS_REACHED); } else { /* we found a free spot and can construct our session object */ CHKiRet(tcps_sess.Construct(&pSess)); CHKiRet(tcps_sess.SetTcpsrv(pSess, pThis)); } /* OK, we have a "good" index... */ /* get the host name */ CHKiRet(netstrm.GetRemoteHName(pNewStrm, &fromHostFQDN)); CHKiRet(netstrm.GetRemoteIP(pNewStrm, &fromHostIP)); CHKiRet(netstrm.GetRemAddr(pNewStrm, &addr)); /* TODO: check if we need to strip the domain name here -- rgerhards, 2008-04-24 */ /* Here we check if a host is permitted to send us messages. If it isn't, we do not further * process the message but log a warning (if we are configured to do this). * rgerhards, 2005-09-26 */ if(!pThis->pIsPermittedHost((struct sockaddr*) addr, (char*) fromHostFQDN, pThis->pUsr, pSess->pUsr)) { dbgprintf("%s is not an allowed sender\n", fromHostFQDN); if(glbl.GetOption_DisallowWarning()) { errno = 0; errmsg.LogError(0, RS_RET_HOST_NOT_PERMITTED, "TCP message from disallowed sender %s discarded", fromHostFQDN); } ABORT_FINALIZE(RS_RET_HOST_NOT_PERMITTED); } /* OK, we have an allowed sender, so let's continue, what * means we can finally fill in the session object. */ CHKiRet(tcps_sess.SetHost(pSess, fromHostFQDN)); fromHostFQDN = NULL; /* we handed this string over */ CHKiRet(tcps_sess.SetHostIP(pSess, fromHostIP)); fromHostIP = NULL; /* we handed this string over */ CHKiRet(tcps_sess.SetStrm(pSess, pNewStrm)); pNewStrm = NULL; /* prevent it from being freed in error handler, now done in tcps_sess! */ CHKiRet(tcps_sess.SetMsgIdx(pSess, 0)); CHKiRet(tcps_sess.ConstructFinalize(pSess)); /* check if we need to call our callback */ if(pThis->pOnSessAccept != NULL) { CHKiRet(pThis->pOnSessAccept(pThis, pSess)); } *ppSess = pSess; pThis->pSessions[iSess] = pSess; pSess = NULL; /* this is now also handed over */ finalize_it: if(iRet != RS_RET_OK) { if(pSess != NULL) tcps_sess.Destruct(&pSess); if(fromHostFQDN != NULL) free(fromHostFQDN); if(fromHostIP != NULL) free(fromHostIP); if(pNewStrm != NULL) netstrm.Destruct(&pNewStrm); } RETiRet; } static void RunCancelCleanup(void *arg) { nssel_t **ppSel = (nssel_t**) arg; if(*ppSel != NULL) nssel.Destruct(ppSel); } /* This function is called to gather input. */ #pragma GCC diagnostic ignored "-Wempty-body" static rsRetVal Run(tcpsrv_t *pThis) { DEFiRet; int nfds; int i; int iTCPSess; int bIsReady; tcps_sess_t *pNewSess; nssel_t *pSel; ssize_t iRcvd; ISOBJ_TYPE_assert(pThis, tcpsrv); /* this is an endless loop - it is terminated by the framework canelling * this thread. Thus, we also need to instantiate a cancel cleanup handler * to prevent us from leaking anything. -- rgerharsd, 20080-04-24 */ pthread_cleanup_push(RunCancelCleanup, (void*) &pSel); while(1) { CHKiRet(nssel.Construct(&pSel)); // TODO: set driver CHKiRet(nssel.ConstructFinalize(pSel)); /* Add the TCP listen sockets to the list of read descriptors. */ for(i = 0 ; i < pThis->iLstnMax ; ++i) { CHKiRet(nssel.Add(pSel, pThis->ppLstn[i], NSDSEL_RD)); } /* do the sessions */ iTCPSess = TCPSessGetNxtSess(pThis, -1); while(iTCPSess != -1) { /* TODO: access to pNsd is NOT really CLEAN, use method... */ CHKiRet(nssel.Add(pSel, pThis->pSessions[iTCPSess]->pStrm, NSDSEL_RD)); /* now get next... */ iTCPSess = TCPSessGetNxtSess(pThis, iTCPSess); } /* wait for io to become ready */ CHKiRet(nssel.Wait(pSel, &nfds)); for(i = 0 ; i < pThis->iLstnMax ; ++i) { CHKiRet(nssel.IsReady(pSel, pThis->ppLstn[i], NSDSEL_RD, &bIsReady, &nfds)); if(bIsReady) { dbgprintf("New connect on NSD %p.\n", pThis->ppLstn[i]); SessAccept(pThis, &pNewSess, pThis->ppLstn[i]); --nfds; /* indicate we have processed one */ } } /* now check the sessions */ iTCPSess = TCPSessGetNxtSess(pThis, -1); while(nfds && iTCPSess != -1) { CHKiRet(nssel.IsReady(pSel, pThis->pSessions[iTCPSess]->pStrm, NSDSEL_RD, &bIsReady, &nfds)); if(bIsReady) { char buf[8*1024]; /* reception buffer - may hold a partial or multiple messages */ dbgprintf("netstream %p with new data\n", pThis->pSessions[iTCPSess]->pStrm); /* Receive message */ iRet = pThis->pRcvData(pThis->pSessions[iTCPSess], buf, sizeof(buf), &iRcvd); switch(iRet) { case RS_RET_CLOSED: pThis->pOnRegularClose(pThis->pSessions[iTCPSess]); tcps_sess.Destruct(&pThis->pSessions[iTCPSess]); break; case RS_RET_RETRY: /* we simply ignore retry - this is not an error, but we also have not received anything */ break; case RS_RET_OK: /* valid data received, process it! */ if(tcps_sess.DataRcvd(pThis->pSessions[iTCPSess], buf, iRcvd) != RS_RET_OK) { /* in this case, something went awfully wrong. * We are instructed to terminate the session. */ errmsg.LogError(0, NO_ERRCODE, "Tearing down TCP Session %d - see " "previous messages for reason(s)\n", iTCPSess); pThis->pOnErrClose(pThis->pSessions[iTCPSess]); tcps_sess.Destruct(&pThis->pSessions[iTCPSess]); } break; default: errno = 0; errmsg.LogError(0, iRet, "netstream session %p will be closed due to error\n", pThis->pSessions[iTCPSess]->pStrm); pThis->pOnErrClose(pThis->pSessions[iTCPSess]); tcps_sess.Destruct(&pThis->pSessions[iTCPSess]); break; } --nfds; /* indicate we have processed one */ } iTCPSess = TCPSessGetNxtSess(pThis, iTCPSess); } CHKiRet(nssel.Destruct(&pSel)); finalize_it: /* this is a very special case - this time only we do not exit the function, * because that would not help us either. So we simply retry it. Let's see * if that actually is a better idea. Exiting the loop wasn't we always * crashed, which made sense (the rest of the engine was not prepared for * that) -- rgerhards, 2008-05-19 */ /*EMPTY*/; } /* note that this point is usually not reached */ pthread_cleanup_pop(0); /* remove cleanup handler */ RETiRet; } #pragma GCC diagnostic warning "-Wempty-body" /* Standard-Constructor */ BEGINobjConstruct(tcpsrv) /* be sure to specify the object type also in END macro! */ pThis->iSessMax = TCPSESS_MAX_DEFAULT; /* TODO: useful default ;) */ pThis->addtlFrameDelim = TCPSRV_NO_ADDTL_DELIMITER; ENDobjConstruct(tcpsrv) /* ConstructionFinalizer */ static rsRetVal tcpsrvConstructFinalize(tcpsrv_t *pThis) { DEFiRet; ISOBJ_TYPE_assert(pThis, tcpsrv); /* prepare network stream subsystem */ CHKiRet(netstrms.Construct(&pThis->pNS)); CHKiRet(netstrms.SetDrvrMode(pThis->pNS, pThis->iDrvrMode)); if(pThis->pszDrvrAuthMode != NULL) CHKiRet(netstrms.SetDrvrAuthMode(pThis->pNS, pThis->pszDrvrAuthMode)); if(pThis->pPermPeers != NULL) CHKiRet(netstrms.SetDrvrPermPeers(pThis->pNS, pThis->pPermPeers)); // TODO: set driver! CHKiRet(netstrms.ConstructFinalize(pThis->pNS)); /* set up listeners */ CHKmalloc(pThis->ppLstn = calloc(TCPLSTN_MAX_DEFAULT, sizeof(netstrm_t*))); iRet = pThis->OpenLstnSocks(pThis); finalize_it: if(iRet != RS_RET_OK) { if(pThis->pNS != NULL) netstrms.Destruct(&pThis->pNS); } RETiRet; } /* destructor for the tcpsrv object */ BEGINobjDestruct(tcpsrv) /* be sure to specify the object type also in END and CODESTART macros! */ CODESTARTobjDestruct(tcpsrv) if(pThis->OnDestruct != NULL) pThis->OnDestruct(pThis->pUsr); deinit_tcp_listener(pThis); if(pThis->pNS != NULL) netstrms.Destruct(&pThis->pNS); if(pThis->pszDrvrAuthMode != NULL) free(pThis->pszDrvrAuthMode); if(pThis->ppLstn != NULL) free(pThis->ppLstn); if(pThis->pszInputName != NULL) free(pThis->pszInputName); ENDobjDestruct(tcpsrv) /* debugprint for the tcpsrv object */ BEGINobjDebugPrint(tcpsrv) /* be sure to specify the object type also in END and CODESTART macros! */ CODESTARTobjDebugPrint(tcpsrv) ENDobjDebugPrint(tcpsrv) /* set functions */ static rsRetVal SetCBIsPermittedHost(tcpsrv_t *pThis, int (*pCB)(struct sockaddr *addr, char *fromHostFQDN, void*, void*)) { DEFiRet; pThis->pIsPermittedHost = pCB; RETiRet; } static rsRetVal SetCBRcvData(tcpsrv_t *pThis, rsRetVal (*pRcvData)(tcps_sess_t*, char*, size_t, ssize_t*)) { DEFiRet; pThis->pRcvData = pRcvData; RETiRet; } static rsRetVal SetCBOnListenDeinit(tcpsrv_t *pThis, int (*pCB)(void*)) { DEFiRet; pThis->pOnListenDeinit = pCB; RETiRet; } static rsRetVal SetCBOnSessAccept(tcpsrv_t *pThis, rsRetVal (*pCB)(tcpsrv_t*, tcps_sess_t*)) { DEFiRet; pThis->pOnSessAccept = pCB; RETiRet; } static rsRetVal SetCBOnDestruct(tcpsrv_t *pThis, rsRetVal (*pCB)(void*)) { DEFiRet; pThis->OnDestruct = pCB; RETiRet; } static rsRetVal SetCBOnSessConstructFinalize(tcpsrv_t *pThis, rsRetVal (*pCB)(void*)) { DEFiRet; pThis->OnSessConstructFinalize = pCB; RETiRet; } static rsRetVal SetCBOnSessDestruct(tcpsrv_t *pThis, rsRetVal (*pCB)(void*)) { DEFiRet; pThis->pOnSessDestruct = pCB; RETiRet; } static rsRetVal SetCBOnRegularClose(tcpsrv_t *pThis, rsRetVal (*pCB)(tcps_sess_t*)) { DEFiRet; pThis->pOnRegularClose = pCB; RETiRet; } static rsRetVal SetCBOnErrClose(tcpsrv_t *pThis, rsRetVal (*pCB)(tcps_sess_t*)) { DEFiRet; pThis->pOnErrClose = pCB; RETiRet; } static rsRetVal SetCBOpenLstnSocks(tcpsrv_t *pThis, rsRetVal (*pCB)(tcpsrv_t*)) { DEFiRet; pThis->OpenLstnSocks = pCB; RETiRet; } static rsRetVal SetUsrP(tcpsrv_t *pThis, void *pUsr) { DEFiRet; pThis->pUsr = pUsr; RETiRet; } /* Set additional framing to use (if any) -- rgerhards, 2008-12-10 */ static rsRetVal SetAddtlFrameDelim(tcpsrv_t *pThis, int iDelim) { DEFiRet; ISOBJ_TYPE_assert(pThis, tcpsrv); pThis->addtlFrameDelim = iDelim; RETiRet; } /* Set the input name to use -- rgerhards, 2008-12-10 */ static rsRetVal SetInputName(tcpsrv_t *pThis, uchar *name) { uchar *pszName; DEFiRet; ISOBJ_TYPE_assert(pThis, tcpsrv); if(name == NULL) pszName = NULL; else CHKmalloc(pszName = (uchar*)strdup((char*)name)); if(pThis->pszInputName != NULL) free(pThis->pszInputName); pThis->pszInputName = pszName; finalize_it: RETiRet; } /* here follows a number of methods that shuffle authentication settings down * to the drivers. Drivers not supporting these settings may return an error * state. * -------------------------------------------------------------------------- */ /* set the driver mode -- rgerhards, 2008-04-30 */ static rsRetVal SetDrvrMode(tcpsrv_t *pThis, int iMode) { DEFiRet; ISOBJ_TYPE_assert(pThis, tcpsrv); pThis->iDrvrMode = iMode; RETiRet; } /* set the driver authentication mode -- rgerhards, 2008-05-19 */ static rsRetVal SetDrvrAuthMode(tcpsrv_t *pThis, uchar *mode) { DEFiRet; ISOBJ_TYPE_assert(pThis, tcpsrv); CHKmalloc(pThis->pszDrvrAuthMode = (uchar*)strdup((char*)mode)); finalize_it: RETiRet; } /* set the driver's permitted peers -- rgerhards, 2008-05-19 */ static rsRetVal SetDrvrPermPeers(tcpsrv_t *pThis, permittedPeers_t *pPermPeers) { DEFiRet; ISOBJ_TYPE_assert(pThis, tcpsrv); pThis->pPermPeers = pPermPeers; RETiRet; } /* End of methods to shuffle autentication settings to the driver.; * -------------------------------------------------------------------------- */ /* queryInterface function * rgerhards, 2008-02-29 */ BEGINobjQueryInterface(tcpsrv) CODESTARTobjQueryInterface(tcpsrv) if(pIf->ifVersion != tcpsrvCURR_IF_VERSION) { /* check for current version, increment on each change */ ABORT_FINALIZE(RS_RET_INTERFACE_NOT_SUPPORTED); } /* ok, we have the right interface, so let's fill it * Please note that we may also do some backwards-compatibility * work here (if we can support an older interface version - that, * of course, also affects the "if" above). */ pIf->DebugPrint = tcpsrvDebugPrint; pIf->Construct = tcpsrvConstruct; pIf->ConstructFinalize = tcpsrvConstructFinalize; pIf->Destruct = tcpsrvDestruct; pIf->SessAccept = SessAccept; pIf->configureTCPListen = configureTCPListen; pIf->create_tcp_socket = create_tcp_socket; pIf->Run = Run; pIf->SetUsrP = SetUsrP; pIf->SetInputName = SetInputName; pIf->SetAddtlFrameDelim = SetAddtlFrameDelim; pIf->SetDrvrMode = SetDrvrMode; pIf->SetDrvrAuthMode = SetDrvrAuthMode; pIf->SetDrvrPermPeers = SetDrvrPermPeers; pIf->SetCBIsPermittedHost = SetCBIsPermittedHost; pIf->SetCBOpenLstnSocks = SetCBOpenLstnSocks; pIf->SetCBRcvData = SetCBRcvData; pIf->SetCBOnListenDeinit = SetCBOnListenDeinit; pIf->SetCBOnSessAccept = SetCBOnSessAccept; pIf->SetCBOnSessConstructFinalize = SetCBOnSessConstructFinalize; pIf->SetCBOnSessDestruct = SetCBOnSessDestruct; pIf->SetCBOnDestruct = SetCBOnDestruct; pIf->SetCBOnRegularClose = SetCBOnRegularClose; pIf->SetCBOnErrClose = SetCBOnErrClose; finalize_it: ENDobjQueryInterface(tcpsrv) /* exit our class * rgerhards, 2008-03-10 */ BEGINObjClassExit(tcpsrv, OBJ_IS_LOADABLE_MODULE) /* CHANGE class also in END MACRO! */ CODESTARTObjClassExit(tcpsrv) /* release objects we no longer need */ objRelease(tcps_sess, DONT_LOAD_LIB); objRelease(conf, CORE_COMPONENT); objRelease(glbl, CORE_COMPONENT); objRelease(errmsg, CORE_COMPONENT); objRelease(netstrms, DONT_LOAD_LIB); objRelease(nssel, DONT_LOAD_LIB); objRelease(netstrm, LM_NETSTRMS_FILENAME); objRelease(net, LM_NET_FILENAME); ENDObjClassExit(tcpsrv)


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