diff options
Diffstat (limited to 'plugins/imtcp/imtcp.c')
| -rw-r--r-- | plugins/imtcp/imtcp.c | 70 |
1 files changed, 58 insertions, 12 deletions
diff --git a/plugins/imtcp/imtcp.c b/plugins/imtcp/imtcp.c index 7b3eeda5..e1f513c8 100644 --- a/plugins/imtcp/imtcp.c +++ b/plugins/imtcp/imtcp.c @@ -3,7 +3,7 @@ * * File begun on 2007-12-21 by RGerhards (extracted from syslogd.c) * - * Copyright 2007 Rainer Gerhards and Adiscon GmbH. + * Copyright 2007, 2009 Rainer Gerhards and Adiscon GmbH. * * This file is part of rsyslog. * @@ -56,10 +56,12 @@ #include "dirty.h" #include "cfsysline.h" #include "module-template.h" +#include "unicode-helper.h" #include "net.h" #include "netstrm.h" #include "errmsg.h" #include "tcpsrv.h" +#include "ruleset.h" #include "net.h" /* for permittedPeers, may be removed when this is removed */ MODULE_TYPE_INPUT @@ -71,6 +73,7 @@ DEFobjCurrIf(tcps_sess) DEFobjCurrIf(net) DEFobjCurrIf(netstrm) DEFobjCurrIf(errmsg) +DEFobjCurrIf(ruleset) /* Module static data */ static tcpsrv_t *pOurTcpsrv = NULL; /* our TCP server(listener) TODO: change for multiple instances */ @@ -80,7 +83,10 @@ static permittedPeers_t *pPermPeersRoot = NULL; /* config settings */ static int iTCPSessMax = 200; /* max number of sessions */ static int iStrmDrvrMode = 0; /* mode for stream driver, driver-dependent (0 mostly means plain tcp) */ +static int iAddtlFrameDelim = TCPSRV_NO_ADDTL_DELIMITER; /* addtl frame delimiter, e.g. for netscreen, default none */ static uchar *pszStrmDrvrAuthMode = NULL; /* authentication mode to use */ +static uchar *pszInputName = NULL; /* value for inputname property, NULL is OK and handled by core engine */ +static ruleset_t *pBindRuleset = NULL; /* ruleset to bind listener to (use system default if unspecified) */ /* callbacks */ @@ -89,7 +95,7 @@ static int isPermittedHost(struct sockaddr *addr, char *fromHostFQDN, void __attribute__((unused)) *pUsrSrv, void __attribute__((unused)) *pUsrSess) { - return net.isAllowedSender((uchar*) "TCP", addr, fromHostFQDN); + return net.isAllowedSender(UCHAR_CONSTANT("TCP"), addr, fromHostFQDN); } @@ -154,6 +160,27 @@ finalize_it: } +/* accept a new ruleset to bind. Checks if it exists and complains, if not */ +static rsRetVal setRuleset(void __attribute__((unused)) *pVal, uchar *pszName) +{ + ruleset_t *pRuleset; + rsRetVal localRet; + DEFiRet; + + localRet = ruleset.GetRuleset(&pRuleset, pszName); + if(localRet == RS_RET_NOT_FOUND) { + errmsg.LogError(0, NO_ERRCODE, "error: ruleset '%s' not found - ignored", pszName); + } + CHKiRet(localRet); + pBindRuleset = pRuleset; + DBGPRINTF("imtcp current bind ruleset %p: '%s'\n", pRuleset, pszName); + +finalize_it: + free(pszName); /* no longer needed */ + RETiRet; +} + + static rsRetVal addTCPListener(void __attribute__((unused)) *pVal, uchar *pNewVal) { DEFiRet; @@ -167,6 +194,7 @@ static rsRetVal addTCPListener(void __attribute__((unused)) *pVal, uchar *pNewVa CHKiRet(tcpsrv.SetCBOnRegularClose(pOurTcpsrv, onRegularClose)); CHKiRet(tcpsrv.SetCBOnErrClose(pOurTcpsrv, onErrClose)); CHKiRet(tcpsrv.SetDrvrMode(pOurTcpsrv, iStrmDrvrMode)); + CHKiRet(tcpsrv.SetAddtlFrameDelim(pOurTcpsrv, iAddtlFrameDelim)); /* now set optional params, but only if they were actually configured */ if(pszStrmDrvrAuthMode != NULL) { CHKiRet(tcpsrv.SetDrvrAuthMode(pOurTcpsrv, pszStrmDrvrAuthMode)); @@ -174,11 +202,14 @@ static rsRetVal addTCPListener(void __attribute__((unused)) *pVal, uchar *pNewVa if(pPermPeersRoot != NULL) { CHKiRet(tcpsrv.SetDrvrPermPeers(pOurTcpsrv, pPermPeersRoot)); } - /* most params set, now start listener */ - tcpsrv.configureTCPListen(pOurTcpsrv, (char *) pNewVal); - CHKiRet(tcpsrv.ConstructFinalize(pOurTcpsrv)); } + /* initialized, now add socket and listener params */ + CHKiRet(tcpsrv.SetRuleset(pOurTcpsrv, pBindRuleset)); + CHKiRet(tcpsrv.SetInputName(pOurTcpsrv, pszInputName == NULL ? + UCHAR_CONSTANT("imtcp") : pszInputName)); + tcpsrv.configureTCPListen(pOurTcpsrv, pNewVal); + finalize_it: if(iRet != RS_RET_OK) { errmsg.LogError(0, NO_ERRCODE, "error %d trying to add listener", iRet); @@ -195,7 +226,9 @@ CODESTARTrunInput /* TODO: we must be careful to start the listener here. Currently, tcpsrv.c seems to * do that in ConstructFinalize */ + CHKiRet(tcpsrv.ConstructFinalize(pOurTcpsrv)); iRet = tcpsrv.Run(pOurTcpsrv); +finalize_it: ENDrunInput @@ -213,7 +246,7 @@ ENDwillRun BEGINafterRun CODESTARTafterRun /* do cleanup here */ - net.clearAllowedSenders((uchar*)"TCP"); + net.clearAllowedSenders(UCHAR_CONSTANT("TCP")); ENDafterRun @@ -232,6 +265,7 @@ CODESTARTmodExit objRelease(tcps_sess, LM_TCPSRV_FILENAME); objRelease(tcpsrv, LM_TCPSRV_FILENAME); objRelease(errmsg, CORE_COMPONENT); + objRelease(ruleset, CORE_COMPONENT); ENDmodExit @@ -240,6 +274,11 @@ resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unus { iTCPSessMax = 200; iStrmDrvrMode = 0; + iAddtlFrameDelim = TCPSRV_NO_ADDTL_DELIMITER; + free(pszInputName); + pszInputName = NULL; + free(pszStrmDrvrAuthMode); + pszStrmDrvrAuthMode = NULL; return RS_RET_OK; } @@ -262,19 +301,26 @@ CODEmodInit_QueryRegCFSLineHdlr CHKiRet(objUse(tcps_sess, LM_TCPSRV_FILENAME)); CHKiRet(objUse(tcpsrv, LM_TCPSRV_FILENAME)); CHKiRet(objUse(errmsg, CORE_COMPONENT)); + CHKiRet(objUse(ruleset, CORE_COMPONENT)); /* register config file handlers */ - CHKiRet(omsdRegCFSLineHdlr((uchar *)"inputtcpserverrun", 0, eCmdHdlrGetWord, + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("inputtcpserverrun"), 0, eCmdHdlrGetWord, addTCPListener, NULL, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr((uchar *)"inputtcpmaxsessions", 0, eCmdHdlrInt, + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("inputtcpmaxsessions"), 0, eCmdHdlrInt, NULL, &iTCPSessMax, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr((uchar *)"inputtcpserverstreamdrivermode", 0, + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("inputtcpserverstreamdrivermode"), 0, eCmdHdlrInt, NULL, &iStrmDrvrMode, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr((uchar *)"inputtcpserverstreamdriverauthmode", 0, + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("inputtcpserverstreamdriverauthmode"), 0, eCmdHdlrGetWord, NULL, &pszStrmDrvrAuthMode, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr((uchar *)"inputtcpserverstreamdriverpermittedpeer", 0, + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("inputtcpserverstreamdriverpermittedpeer"), 0, eCmdHdlrGetWord, setPermittedPeer, NULL, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("inputtcpserveraddtlframedelimiter"), 0, eCmdHdlrInt, + NULL, &iAddtlFrameDelim, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("inputtcpserverinputname"), 0, + eCmdHdlrGetWord, NULL, &pszInputName, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("inputtcpserverbindruleset"), 0, + eCmdHdlrGetWord, setRuleset, NULL, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr(UCHAR_CONSTANT("resetconfigvariables"), 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID)); ENDmodInit |