diff options
Diffstat (limited to 'plugins/omsnmp/omsnmp.c')
| -rw-r--r-- | plugins/omsnmp/omsnmp.c | 177 |
1 files changed, 90 insertions, 87 deletions
diff --git a/plugins/omsnmp/omsnmp.c b/plugins/omsnmp/omsnmp.c index 11870579..0a4279bc 100644 --- a/plugins/omsnmp/omsnmp.c +++ b/plugins/omsnmp/omsnmp.c @@ -58,27 +58,6 @@ static oid objid_sysdescr[] = { 1, 3, 6, 1, 2, 1, 1, 1, 0 }; static oid objid_snmptrap[] = { 1, 3, 6, 1, 6, 3, 1, 1, 4, 1, 0 }; static oid objid_sysuptime[] = { 1, 3, 6, 1, 2, 1, 1, 3, 0 }; -static uchar* pszTransport = NULL; /* default transport */ -static uchar* pszTarget = NULL; -/* note using an unsigned for a port number is not a good idea from an IPv6 point of view */ -static int iPort = 0; -static int iSNMPVersion = 1; /* 0 Means SNMPv1, 1 Means SNMPv2c */ -static uchar* pszCommunity = NULL; -static uchar* pszEnterpriseOID = NULL; -static uchar* pszSnmpTrapOID = NULL; -static uchar* pszSyslogMessageOID = NULL; -static int iSpecificType = 0; -static int iTrapType = SNMP_TRAP_ENTERPRISESPECIFIC;/*Default is SNMP_TRAP_ENTERPRISESPECIFIC */ -/* - Possible Values - SNMP_TRAP_COLDSTART (0) - SNMP_TRAP_WARMSTART (1) - SNMP_TRAP_LINKDOWN (2) - SNMP_TRAP_LINKUP (3) - SNMP_TRAP_AUTHFAIL (4) - SNMP_TRAP_EGPNEIGHBORLOSS (5) - SNMP_TRAP_ENTERPRISESPECIFIC (6) -*/ typedef struct _instanceData { uchar szTransport[OMSNMP_MAXTRANSPORLENGTH+1]; /* Transport - Can be udp, tcp, udp6, tcp6 and other types supported by NET-SNMP */ @@ -103,6 +82,46 @@ typedef struct _instanceData { netsnmp_session *snmpsession; /* Holds to SNMP Session, NULL if not initialized */ } instanceData; +typedef struct configSettings_s { + uchar* pszTransport; /* default transport */ + uchar* pszTarget; + /* note using an unsigned for a port number is not a good idea from an IPv6 point of view */ + int iPort; + int iSNMPVersion; /* 0 Means SNMPv1, 1 Means SNMPv2c */ + uchar* pszCommunity; + uchar* pszEnterpriseOID; + uchar* pszSnmpTrapOID; + uchar* pszSyslogMessageOID; + int iSpecificType; + int iTrapType; /*Default is SNMP_TRAP_ENTERPRISESPECIFIC */ + /* + Possible Values + SNMP_TRAP_COLDSTART (0) + SNMP_TRAP_WARMSTART (1) + SNMP_TRAP_LINKDOWN (2) + SNMP_TRAP_LINKUP (3) + SNMP_TRAP_AUTHFAIL (4) + SNMP_TRAP_EGPNEIGHBORLOSS (5) + SNMP_TRAP_ENTERPRISESPECIFIC (6) + */ +} configSettings_t; + +SCOPING_SUPPORT; /* must be set AFTER configSettings_t is defined */ + +BEGINinitConfVars /* (re)set config variables to default values */ +CODESTARTinitConfVars + cs.pszTransport = NULL; + cs.pszTarget = NULL; + cs.iPort = 0; + cs.iSNMPVersion = 1; + cs.pszCommunity = NULL; + cs.pszEnterpriseOID = NULL; + cs.pszSnmpTrapOID = NULL; + cs.pszSyslogMessageOID = NULL; + cs.iSpecificType = 0; + cs.iTrapType = SNMP_TRAP_ENTERPRISESPECIFIC; +ENDinitConfVars + BEGINcreateInstance CODESTARTcreateInstance ENDcreateInstance @@ -349,72 +368,72 @@ CODE_STD_STRING_REQUESTparseSelectorAct(1) FINALIZE; /* Check Transport */ - if (pszTransport == NULL) { + if (cs.pszTransport == NULL) { /* * Default transport is UDP. Other values supported by NETSNMP are possible as well */ strncpy( (char*) pData->szTransport, "udp", sizeof("udp") ); } else { /* Copy Transport */ - strncpy( (char*) pData->szTransport, (char*) pszTransport, strlen((char*) pszTransport) ); + strncpy( (char*) pData->szTransport, (char*) cs.pszTransport, strlen((char*) cs.pszTransport) ); } /* Check Target */ - if (pszTarget == NULL) { + if (cs.pszTarget == NULL) { ABORT_FINALIZE( RS_RET_PARAM_ERROR ); } else { /* Copy Target */ - CHKmalloc(pData->szTarget = (uchar*) strdup((char*)pszTarget)); + CHKmalloc(pData->szTarget = (uchar*) strdup((char*)cs.pszTarget)); } /* Copy Community */ - if (pszCommunity == NULL) /* Failsave */ + if (cs.pszCommunity == NULL) /* Failsave */ strncpy( (char*) pData->szCommunity, "public", sizeof("public") ); else /* Copy Target */ - strncpy( (char*) pData->szCommunity, (char*) pszCommunity, strlen((char*) pszCommunity) ); + strncpy( (char*) pData->szCommunity, (char*) cs.pszCommunity, strlen((char*) cs.pszCommunity) ); /* Copy Enterprise OID */ - if (pszEnterpriseOID == NULL) /* Failsave */ + if (cs.pszEnterpriseOID == NULL) /* Failsave */ strncpy( (char*) pData->szEnterpriseOID, "1.3.6.1.4.1.3.1.1", sizeof("1.3.6.1.4.1.3.1.1") ); else /* Copy Target */ - strncpy( (char*) pData->szEnterpriseOID, (char*) pszEnterpriseOID, strlen((char*) pszEnterpriseOID) ); + strncpy( (char*) pData->szEnterpriseOID, (char*) cs.pszEnterpriseOID, strlen((char*) cs.pszEnterpriseOID) ); /* Copy SnmpTrap OID */ - if (pszSnmpTrapOID == NULL) /* Failsave */ + if (cs.pszSnmpTrapOID == NULL) /* Failsave */ strncpy( (char*) pData->szSnmpTrapOID, "1.3.6.1.4.1.19406.1.2.1", sizeof("1.3.6.1.4.1.19406.1.2.1") ); else /* Copy Target */ - strncpy( (char*) pData->szSnmpTrapOID, (char*) pszSnmpTrapOID, strlen((char*) pszSnmpTrapOID) ); + strncpy( (char*) pData->szSnmpTrapOID, (char*) cs.pszSnmpTrapOID, strlen((char*) cs.pszSnmpTrapOID) ); /* Copy SyslogMessage OID */ - if (pszSyslogMessageOID == NULL) /* Failsave */ + if (cs.pszSyslogMessageOID == NULL) /* Failsave */ strncpy( (char*) pData->szSyslogMessageOID, "1.3.6.1.4.1.19406.1.1.2.1", sizeof("1.3.6.1.4.1.19406.1.1.2.1") ); else /* Copy Target */ - strncpy( (char*) pData->szSyslogMessageOID, (char*) pszSyslogMessageOID, strlen((char*) pszSyslogMessageOID) ); + strncpy( (char*) pData->szSyslogMessageOID, (char*) cs.pszSyslogMessageOID, strlen((char*) cs.pszSyslogMessageOID) ); /* Copy Port */ - if ( iPort == 0) /* If no Port is set we use the default Port 162 */ + if ( cs.iPort == 0) /* If no Port is set we use the default Port 162 */ pData->iPort = 162; else - pData->iPort = iPort; + pData->iPort = cs.iPort; /* Set SNMPVersion */ - if ( iSNMPVersion < 0 || iSNMPVersion > 1) /* Set default to 1 if out of range */ + if ( cs.iSNMPVersion < 0 || cs.iSNMPVersion > 1) /* Set default to 1 if out of range */ pData->iSNMPVersion = 1; else - pData->iSNMPVersion = iSNMPVersion; + pData->iSNMPVersion = cs.iSNMPVersion; /* Copy SpecificType */ - if ( iSpecificType == 0) /* If no iSpecificType is set, we use the default 0 */ + if ( cs.iSpecificType == 0) /* If no iSpecificType is set, we use the default 0 */ pData->iSpecificType = 0; else - pData->iSpecificType = iSpecificType; + pData->iSpecificType = cs.iSpecificType; /* Copy TrapType */ - if ( iTrapType < 0 && iTrapType >= 6) /* Only allow values from 0 to 6 !*/ + if ( cs.iTrapType < 0 && cs.iTrapType >= 6) /* Only allow values from 0 to 6 !*/ pData->iTrapType = SNMP_TRAP_ENTERPRISESPECIFIC; else - pData->iTrapType = iTrapType; + pData->iTrapType = cs.iTrapType; /* Create string for session peername! */ snprintf((char*)szTargetAndPort, sizeof(szTargetAndPort), "%s:%s:%d", pData->szTransport, pData->szTarget, pData->iPort); @@ -453,48 +472,31 @@ ENDparseSelectorAct static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal) { DEFiRet; - - if (pszTarget != NULL) - free(pszTarget); - pszTarget = NULL; - - if (pszCommunity != NULL) - free(pszCommunity); - pszCommunity = NULL; - - if (pszEnterpriseOID != NULL) - free(pszEnterpriseOID); - pszEnterpriseOID = NULL; - - if (pszSnmpTrapOID != NULL) - free(pszSnmpTrapOID); - pszSnmpTrapOID = NULL; - - if (pszSyslogMessageOID != NULL) - free(pszSyslogMessageOID); - pszSyslogMessageOID = NULL; - - iPort = 0; - iSNMPVersion = 1; - iSpecificType = 0; - iTrapType = SNMP_TRAP_ENTERPRISESPECIFIC; - + free(cs.pszTarget); + cs.pszTarget = NULL; + free(cs.pszCommunity); + cs.pszCommunity = NULL; + free(cs.pszEnterpriseOID); + cs.pszEnterpriseOID = NULL; + free(cs.pszSnmpTrapOID); + cs.pszSnmpTrapOID = NULL; + free(cs.pszSyslogMessageOID); + cs.pszSyslogMessageOID = NULL; + cs.iPort = 0; + cs.iSNMPVersion = 1; + cs.iSpecificType = 0; + cs.iTrapType = SNMP_TRAP_ENTERPRISESPECIFIC; RETiRet; } BEGINmodExit CODESTARTmodExit - if (pszTarget != NULL) - free(pszTarget); - if (pszCommunity != NULL) - free(pszCommunity); - if (pszEnterpriseOID != NULL) - free(pszEnterpriseOID); - if (pszSnmpTrapOID != NULL) - free(pszSnmpTrapOID); - if (pszSyslogMessageOID != NULL) - free(pszSyslogMessageOID); + free(cs.pszTarget); + free(cs.pszCommunity); + free(cs.pszEnterpriseOID); + free(cs.pszSnmpTrapOID); + free(cs.pszSyslogMessageOID); /* release what we no longer need */ objRelease(errmsg, CORE_COMPONENT); @@ -509,20 +511,21 @@ ENDqueryEtryPt BEGINmodInit() CODESTARTmodInit +SCOPINGmodInit *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */ CODEmodInit_QueryRegCFSLineHdlr CHKiRet(objUse(errmsg, CORE_COMPONENT)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptransport", 0, eCmdHdlrGetWord, NULL, &pszTransport, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptarget", 0, eCmdHdlrGetWord, NULL, &pszTarget, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptargetport", 0, eCmdHdlrInt, NULL, &iPort, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpversion", 0, eCmdHdlrInt, NULL, &iSNMPVersion, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpcommunity", 0, eCmdHdlrGetWord, NULL, &pszCommunity, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpenterpriseoid", 0, eCmdHdlrGetWord, NULL, &pszEnterpriseOID, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptrapoid", 0, eCmdHdlrGetWord, NULL, &pszSnmpTrapOID, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpsyslogmessageoid", 0, eCmdHdlrGetWord, NULL, &pszSyslogMessageOID, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpspecifictype", 0, eCmdHdlrInt, NULL, &iSpecificType, STD_LOADABLE_MODULE_ID)); - CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptraptype", 0, eCmdHdlrInt, NULL, &iTrapType, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptransport", 0, eCmdHdlrGetWord, NULL, &cs.pszTransport, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptarget", 0, eCmdHdlrGetWord, NULL, &cs.pszTarget, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptargetport", 0, eCmdHdlrInt, NULL, &cs.iPort, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpversion", 0, eCmdHdlrInt, NULL, &cs.iSNMPVersion, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpcommunity", 0, eCmdHdlrGetWord, NULL, &cs.pszCommunity, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpenterpriseoid", 0, eCmdHdlrGetWord, NULL, &cs.pszEnterpriseOID, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptrapoid", 0, eCmdHdlrGetWord, NULL, &cs.pszSnmpTrapOID, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpsyslogmessageoid", 0, eCmdHdlrGetWord, NULL, &cs.pszSyslogMessageOID, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmpspecifictype", 0, eCmdHdlrInt, NULL, &cs.iSpecificType, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr( (uchar *)"actionsnmptraptype", 0, eCmdHdlrInt, NULL, &cs.iTrapType, STD_LOADABLE_MODULE_ID)); CHKiRet(omsdRegCFSLineHdlr( (uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID)); ENDmodInit /* |