diff options
Diffstat (limited to 'plugins/ommongodb')
| -rw-r--r-- | plugins/ommongodb/Makefile.am | 7 | ||||
| -rw-r--r-- | plugins/ommongodb/Makefile.in | 798 | ||||
| -rw-r--r-- | plugins/ommongodb/README | 48 | ||||
| -rw-r--r-- | plugins/ommongodb/ommongodb.c | 786 |
4 files changed, 1639 insertions, 0 deletions
diff --git a/plugins/ommongodb/Makefile.am b/plugins/ommongodb/Makefile.am new file mode 100644 index 0000000..1193855 --- /dev/null +++ b/plugins/ommongodb/Makefile.am @@ -0,0 +1,7 @@ +pkglib_LTLIBRARIES = ommongodb.la +ommongodb_la_SOURCES = ommongodb.c +ommongodb_la_CPPFLAGS = $(RSRT_CFLAGS) $(PTHREADS_CFLAGS) $(LIBMONGOC_CFLAGS) +ommongodb_la_LDFLAGS = -module -avoid-version +ommongodb_la_LIBADD = $(LIBMONGOC_LIBS) + +EXTRA_DIST = diff --git a/plugins/ommongodb/Makefile.in b/plugins/ommongodb/Makefile.in new file mode 100644 index 0000000..8a94815 --- /dev/null +++ b/plugins/ommongodb/Makefile.in @@ -0,0 +1,798 @@ +# Makefile.in generated by automake 1.16.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2018 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; 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action(type="ommongodb" db="..." collection="..." template="...") + +Note: if no template is specified, a default schema will be used. That schema +contains proper data types. However, if a template is specified, only strings +are supported. This is a restriction of the rsyslog v6 core engine. This +changed in v7. + +If templates are used, it is suggested to use list-based templates. Constants +can ONLY be inserted with list-based templates, as only these provide the +capability to specify a field name (outname parameter). + +A very basic example is: + +*.* action(type="ommongodb" db="logs" collection="syslog") + +A more complex example: +*.* action(type="ommongodb" uristr="mongodb://vulture:9091,vulture2:9091/?replicaset=Vulture&ssl=true" ssl_cert="/var/db/mongodb/mongod.pem" ssl_ca="/var/db/mongodb/ca.pem" db="logs" collection="syslog" allowed_error_codes="11000") + +Please see the script clean-mongo-syslog for an example of how to +purge old records from MongoDB using PyMongo. It can be run +daily or weekly from cron. + +You may also wish to index some or all of the columns in MongoDB. +The following statements may help to create the indexes: + +To see the existing indexes: + + db.syslog.getIndexes() + +To create them: + + db.syslog.ensureIndex( { sys : 1 } ) + db.syslog.ensureIndex( { time : 1 } ) + db.syslog.ensureIndex( { syslog_fac : 1 } ) + db.syslog.ensureIndex( { syslog_sever : 1 } ) + db.syslog.ensureIndex( { syslog_tag : 1 } ) + db.syslog.ensureIndex( { procid : 1 } ) + db.syslog.ensureIndex( { pid : 1 } ) + + diff --git a/plugins/ommongodb/ommongodb.c b/plugins/ommongodb/ommongodb.c new file mode 100644 index 0000000..83f3656 --- /dev/null +++ b/plugins/ommongodb/ommongodb.c @@ -0,0 +1,786 @@ +/* ommongodb.c + * Output module for mongodb. + * + * Copyright 2007-2019 Rainer Gerhards and Adiscon GmbH. + * + * Copyright 2017 Jeremie Jourdin and Hugo Soszynski and aDvens + * Remove deprecated libmongo-client and use libmongoc (mongo-c-driver) + * This new library handle TLS and replicaset + * + * + * This file is part of rsyslog. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * -or- + * see COPYING.ASL20 in the source distribution + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "config.h" +#include <stdio.h> +#include <string.h> +#include <stdlib.h> +#include <ctype.h> +#include <errno.h> +#include <assert.h> +#include <signal.h> +#include <stdint.h> +#include <time.h> +#include <json.h> +#include "rsyslog.h" +/* we need this to avoid issues with older versions of libbson */ +PRAGMA_DIAGNOSTIC_PUSH +PRAGMA_IGNORE_Wpragmas +PRAGMA_IGNORE_Wunknown_warning_option +PRAGMA_IGNORE_Wunknown_attribute +PRAGMA_IGNORE_Wexpansion_to_defined +PRAGMA_IGNORE_Wstrict_prototypes +PRAGMA_IGNORE_Wold_style_definition +#include <mongoc.h> +#include <bson.h> +PRAGMA_DIAGNOSTIC_POP + +#include "conf.h" +#include "syslogd-types.h" +#include "srUtils.h" +#include "template.h" +#include "module-template.h" +#include "datetime.h" +#include "errmsg.h" +#include "cfsysline.h" +#include "parserif.h" +#include "unicode-helper.h" + +MODULE_TYPE_OUTPUT +MODULE_TYPE_NOKEEP +MODULE_CNFNAME("ommongodb") +/* internal structures + */ +DEF_OMOD_STATIC_DATA +DEFobjCurrIf(datetime) + +typedef struct _instanceData { + struct json_tokener *json_tokener; /* only if (tplName != NULL) */ + mongoc_client_t *client; + mongoc_collection_t *collection; + bson_error_t error; + char *server; + char *port; + char *uristr; + char *ssl_ca; + char *ssl_cert; + char *uid; + char *pwd; + uint32_t allowed_error_codes[256]; + int allowed_error_codes_nbr; + char *db; + char *collection_name; + char *tplName; + int bErrMsgPermitted; /* only one errmsg permitted per connection */ +} instanceData; + +typedef struct wrkrInstanceData { + instanceData *pData; +} wrkrInstanceData_t; + + +/* tables for interfacing with the v6 config system */ +/* action (instance) parameters */ +static struct cnfparamdescr actpdescr[] = { + { "server", eCmdHdlrGetWord, 0 }, + { "serverport", eCmdHdlrGetWord, 0 }, + { "uristr", eCmdHdlrGetWord, 0 }, + { "ssl_ca", eCmdHdlrGetWord, 0 }, + { "ssl_cert", eCmdHdlrGetWord, 0 }, + { "uid", eCmdHdlrGetWord, 0 }, + { "pwd", eCmdHdlrGetWord, 0 }, + { "db", eCmdHdlrGetWord, 0 }, + { "collection", eCmdHdlrGetWord, 0 }, + { "template", eCmdHdlrGetWord, 0 }, + { "allowed_error_codes", eCmdHdlrArray, 0 } +}; +static struct cnfparamblk actpblk = + { CNFPARAMBLK_VERSION, + sizeof(actpdescr)/sizeof(struct cnfparamdescr), + actpdescr + }; + +static pthread_mutex_t mutDoAct = PTHREAD_MUTEX_INITIALIZER; + +BEGINcreateInstance +CODESTARTcreateInstance +ENDcreateInstance + +BEGINcreateWrkrInstance +CODESTARTcreateWrkrInstance +ENDcreateWrkrInstance + +BEGINisCompatibleWithFeature +CODESTARTisCompatibleWithFeature + /* use this to specify if select features are supported by this + * plugin. If not, the framework will handle that. Currently, only + * RepeatedMsgReduction ("last message repeated n times") is optional. + */ + if(eFeat == sFEATURERepeatedMsgReduction) + iRet = RS_RET_OK; +ENDisCompatibleWithFeature + +static void closeMongoDB(instanceData *pData) +{ + if(pData->client != NULL) { + if (pData->collection != NULL) { + mongoc_collection_destroy (pData->collection); + pData->collection = NULL; + } + mongoc_client_destroy (pData->client); + pData->client = NULL; + mongoc_cleanup (); + DBGPRINTF("ommongodb: Mongodb connection closed."); + } +} + + +BEGINfreeInstance +CODESTARTfreeInstance + closeMongoDB(pData); + + if (pData->json_tokener != NULL) + json_tokener_free(pData->json_tokener); + free(pData->server); + free(pData->port); + free(pData->ssl_ca); + free(pData->ssl_cert); + free(pData->uristr); + free(pData->uid); + free(pData->pwd); + free(pData->db); + free(pData->collection_name); + free(pData->tplName); +ENDfreeInstance + +BEGINfreeWrkrInstance +CODESTARTfreeWrkrInstance +ENDfreeWrkrInstance + + +BEGINdbgPrintInstInfo +CODESTARTdbgPrintInstInfo + /* nothing special here */ + (void)pData; +ENDdbgPrintInstInfo + + +/* report error that occurred during *last* operation + */ +static void +reportMongoError(instanceData *pData) +{ + if(pData->bErrMsgPermitted) { + LogError(0, RS_RET_ERR, "ommongodb: error: %s", pData->error.message); + pData->bErrMsgPermitted = 0; + } +} + + +/* The following function is responsible for initializing a + * MongoDB connection. + * Initially added 2004-10-28 mmeckelein + * Improved to check if server is available (ping) @kguillemot 2021-06-30 + */ +static rsRetVal initMongoDB(instanceData *pData, int bSilent) +{ + DEFiRet; + unsigned char retval; + + DBGPRINTF("ommongodb: uristr is '%s'", pData->uristr); + mongoc_init (); + pData->client = mongoc_client_new (pData->uristr); + if (pData->ssl_cert && pData->ssl_ca) { +#ifdef HAVE_MONGOC_CLIENT_SET_SSL_OPTS + mongoc_ssl_opt_t ssl_opts; + memset(&ssl_opts, 0, sizeof(mongoc_ssl_opt_t)); + ssl_opts.pem_file = pData->ssl_cert; + ssl_opts.ca_file = pData->ssl_ca; + mongoc_client_set_ssl_opts (pData->client, &ssl_opts); +#else + dbgprintf("ommongodb: mongo-c-driver was not built with SSL options, ssl directives will not be used."); +#endif + } + if(!pData->client) { + if(!bSilent) { + reportMongoError(pData); + dbgprintf("ommongodb: can not initialize MongoDB handle"); + } + ABORT_FINALIZE(RS_RET_SUSPENDED); + } + pData->collection = mongoc_client_get_collection (pData->client, pData->db, pData->collection_name); + + // Try to contact server + bson_t *command, reply; + bson_error_t error; + command = BCON_NEW ("ping", BCON_INT32 (1)); + retval = mongoc_client_command_simple(pData->client, pData->db, command, NULL, &reply, &error); + bson_destroy(&reply); + bson_destroy(command); + if( !retval ) { + DBGPRINTF("ommongodb: ping server error (%u): %s \n", error.code, error.message); + closeMongoDB(pData); + reportMongoError(pData); + ABORT_FINALIZE(RS_RET_SUSPENDED); + } + +finalize_it: + RETiRet; +} + + +/* map syslog severity to lumberjack level + * TODO: consider moving this to msg.c - make some dirty "friend" references... + * rgerhards, 2012-03-19 + */ +static const char * +getLumberjackLevel(short severity) +{ + switch(severity) { + case 0: return "FATAL"; + case 1: + case 2: + case 3: return "ERROR"; + case 4: return "WARN"; + case 5: + case 6: return "INFO"; + case 7: return "DEBUG"; + default:DBGPRINTF("ommongodb: invalid syslog severity %u\n", severity); + return "INVLD"; + } +} + + +/* small helper: get integer power of 10 */ +static int +i10pow(int exp) +{ + int r = 1; + while(exp > 0) { + r *= 10; + exp--; + } + return r; +} +/* Return a BSON document when an user hasn't specified a template. + * In this mode, we use the standard document format, which is somewhat + * aligned to cee (as described in project lumberjack). Note that this is + * a moving target, so we may run out of sync (and stay so to retain + * backward compatibility, which we consider pretty important). + */ +static bson_t *getDefaultBSON(smsg_t *pMsg) +{ + bson_t *doc = NULL; + char *procid; short unsigned procid_free; rs_size_t procid_len; + char *tag; short unsigned tag_free; rs_size_t tag_len; + char *pid; short unsigned pid_free; rs_size_t pid_len; + char *sys; short unsigned sys_free; rs_size_t sys_len; + char *msg; short unsigned msg_free; rs_size_t msg_len; + int severity, facil; + int64 ts_gen, ts_rcv; /* timestamps: generated, received */ + int secfrac; + msgPropDescr_t cProp; /* we use internal implementation knowledge... */ + + cProp.id = PROP_PROGRAMNAME; + procid = (char*)MsgGetProp(pMsg, NULL, &cProp, &procid_len, &procid_free, NULL); + cProp.id = PROP_SYSLOGTAG; + tag = (char*)MsgGetProp(pMsg, NULL, &cProp, &tag_len, &tag_free, NULL); + cProp.id = PROP_PROCID; + pid = (char*)MsgGetProp(pMsg, NULL, &cProp, &pid_len, &pid_free, NULL); + cProp.id = PROP_HOSTNAME; + sys = (char*)MsgGetProp(pMsg, NULL, &cProp, &sys_len, &sys_free, NULL); + cProp.id = PROP_MSG; + msg = (char*)MsgGetProp(pMsg, NULL, &cProp, &msg_len, &msg_free, NULL); + + /* TODO: move to datetime? Refactor in any case! rgerhards, 2012-03-30 */ + ts_gen = (int64) datetime.syslogTime2time_t(&pMsg->tTIMESTAMP) * 1000; /* ms! */ + DBGPRINTF("ommongodb: ts_gen is %lld\n", (long long) ts_gen); + DBGPRINTF("ommongodb: secfrac is %d, precision %d\n", + pMsg->tTIMESTAMP.secfrac, + pMsg->tTIMESTAMP.secfracPrecision); + if(pMsg->tTIMESTAMP.secfracPrecision > 3) { + secfrac = pMsg->tTIMESTAMP.secfrac / i10pow(pMsg->tTIMESTAMP.secfracPrecision - 3); + } else if(pMsg->tTIMESTAMP.secfracPrecision < 3) { + secfrac = pMsg->tTIMESTAMP.secfrac * i10pow(3 - pMsg->tTIMESTAMP.secfracPrecision); + } else { + secfrac = pMsg->tTIMESTAMP.secfrac; + } + ts_gen += secfrac; + ts_rcv = (int64) datetime.syslogTime2time_t(&pMsg->tRcvdAt) * 1000; /* ms! */ + if(pMsg->tRcvdAt.secfracPrecision > 3) { + secfrac = pMsg->tRcvdAt.secfrac / i10pow(pMsg->tRcvdAt.secfracPrecision - 3); + } else if(pMsg->tRcvdAt.secfracPrecision < 3) { + secfrac = pMsg->tRcvdAt.secfrac * i10pow(3 - pMsg->tRcvdAt.secfracPrecision); + } else { + secfrac = pMsg->tRcvdAt.secfrac; + } + ts_rcv += secfrac; + + /* the following need to be int, but are short, so we need to xlat */ + severity = pMsg->iSeverity; + facil = pMsg->iFacility; + + doc = bson_new (); + bson_oid_t oid; + bson_oid_init (&oid, NULL); + BSON_APPEND_OID (doc, "_id", &oid); + BSON_APPEND_UTF8 (doc, "sys", sys); + BSON_APPEND_DATE_TIME (doc, "time", ts_gen); + BSON_APPEND_DATE_TIME (doc, "time_rcvd", ts_rcv); + BSON_APPEND_UTF8 (doc, "msg", msg); + BSON_APPEND_INT32 (doc, "syslog_fac", facil); + BSON_APPEND_INT32 (doc, "syslog_sever", severity); + BSON_APPEND_UTF8 (doc, "syslog_tag", tag); + BSON_APPEND_UTF8 (doc, "procid", procid); + BSON_APPEND_UTF8 (doc, "pid", pid); + BSON_APPEND_UTF8 (doc, "level", getLumberjackLevel(pMsg->iSeverity)); + + if(procid_free) free(procid); + if(tag_free) free(tag); + if(pid_free) free(pid); + if(sys_free) free(sys); + if(msg_free) free(msg); + + return doc; +} + +static bson_t *BSONFromJSONArray(struct json_object *json); +static bson_t *BSONFromJSONObject(struct json_object *json); +static int BSONAppendExtendedJSON(bson_t *doc, const char *name, struct json_object *json); + +/* Append a BSON variant of json to doc using name. Return TRUE on success */ +static int +BSONAppendJSONObject(bson_t *doc, const char *name, struct json_object *json) +{ + + switch(json != NULL ? json_object_get_type(json) : json_type_null) { + + case json_type_null: + return BSON_APPEND_NULL(doc, name); + case json_type_boolean: + return BSON_APPEND_BOOL(doc, name, json_object_get_boolean(json)); + case json_type_double: + return BSON_APPEND_DOUBLE(doc, name, json_object_get_double(json)); + case json_type_int: { + int64_t i; + + i = json_object_get_int64(json); + if (i >= INT32_MIN && i <= INT32_MAX) + return BSON_APPEND_INT32(doc, name, i); + else + return BSON_APPEND_INT64(doc, name, i); + } + case json_type_object: { + if (BSONAppendExtendedJSON(doc, name, json) == TRUE) + return TRUE; + + bson_t *sub; + int ok; + + sub = BSONFromJSONObject(json); + if (sub == NULL) + return FALSE; + ok = BSON_APPEND_DOCUMENT(doc, name, sub); + bson_destroy(sub); + return ok; + } + case json_type_array: { + bson_t *sub; + int ok; + + sub = BSONFromJSONArray(json); + if (sub == NULL) + return FALSE; + ok = BSON_APPEND_DOCUMENT(doc, name, sub); + bson_destroy(sub); + return ok; + } + case json_type_string: { + /* Convert text to ISODATE when needed */ + if (strncmp(name, "date", 5) == 0 || strncmp(name, "time", 5) == 0 ) { + struct tm tm; + const char *datestr = json_object_get_string(json); + if( strptime(datestr, "%Y-%m-%dT%H:%M:%S:%Z", &tm) != NULL || + strptime(datestr, "%Y-%m-%dT%H:%M:%S%Z", &tm) != NULL || + strptime(datestr, "%Y-%m-%dT%H:%M:%SZ", &tm) != NULL) { + tm.tm_isdst = -1; + time_t epoch; + int64 ts; + epoch = mktime(&tm); + ts = 1000 * (int64) epoch; + return BSON_APPEND_DATE_TIME (doc, name, ts); + } else { + DBGPRINTF("Unknown date format of field '%s' : '%s' \n", name, datestr); + } + } + else { + return BSON_APPEND_UTF8(doc, name, json_object_get_string(json)); + } + } + default: + return FALSE; + } +} + +/* Note: this function assumes that at max a single sub-object exists. This + * may need to be extended to cover cases where multiple objects are contained. + * However, I am not sure about the original intent of this contribution and + * just came across it when refactoring the json calls. As everything seems + * to work since quite a while, I do not make any changes now. + * rgerhards, 2016-04-09 + */ +static int +BSONAppendExtendedJSON(bson_t *doc, const char *name, struct json_object *json) +{ + struct json_object_iterator itEnd = json_object_iter_end(json); + struct json_object_iterator it = json_object_iter_begin(json); + + if (!json_object_iter_equal(&it, &itEnd)) { + const char *const key = json_object_iter_peek_name(&it); + if (strcmp(key, "$date") == 0) { + struct tm tm; + int64 ts; + struct json_object *val; + + val = json_object_iter_peek_value(&it); + DBGPRINTF("ommongodb: extended json date detected %s", json_object_get_string(val)); + tm.tm_isdst = -1; + strptime(json_object_get_string(val), "%Y-%m-%dT%H:%M:%S%z", &tm); + ts = 1000 * (int64) mktime(&tm); + return BSON_APPEND_DATE_TIME (doc, name, ts); + } + } + return FALSE; +} + +/* Return a BSON variant of json, which must be a json_type_array */ +static bson_t *BSONFromJSONArray(struct json_object *json) +{ + /* Way more than necessary */ + bson_t *doc = NULL; + size_t i, array_len; + + doc = bson_new(); + if(doc == NULL) + goto error; + + array_len = json_object_array_length(json); + for (i = 0; i < array_len; i++) { + char buf[sizeof(size_t) * CHAR_BIT + 1]; + + if ((size_t)snprintf(buf, sizeof(buf), "%zu", i) >= sizeof(buf)) + goto error; + if (BSONAppendJSONObject(doc, buf, json_object_array_get_idx(json, i)) == FALSE) + goto error; + } + + return doc; + +error: + if(doc != NULL) + bson_destroy(doc); + return NULL; +} + +/* Return a BSON variant of json, which must be a json_type_object */ +static bson_t *BSONFromJSONObject(struct json_object *json) +{ + bson_t *doc = NULL; + + doc = bson_new(); + if(doc == NULL) + return NULL; + + struct json_object_iterator it = json_object_iter_begin(json); + struct json_object_iterator itEnd = json_object_iter_end(json); + while (!json_object_iter_equal(&it, &itEnd)) { + if (BSONAppendJSONObject(doc, json_object_iter_peek_name(&it), + json_object_iter_peek_value(&it)) == FALSE) + goto error; + json_object_iter_next(&it); + } + + return doc; + +error: + if(doc != NULL) + bson_destroy(doc); + return NULL; + +} + +BEGINtryResume +CODESTARTtryResume + if(pWrkrData->pData->client == NULL) { + iRet = initMongoDB(pWrkrData->pData, 1); + } +ENDtryResume + +/* + * Check if `code` is in the allowed error codes. + * Return 1 if so, 0 otherwise. + */ +static int is_allowed_error_code(instanceData const* pData, uint32_t code) +{ + int i; + + i = 0; + while (i < pData->allowed_error_codes_nbr) { + if (code == pData->allowed_error_codes[i]) + return 1; + ++i; + } + return 0; +} + +BEGINdoAction_NoStrings + bson_t *doc = NULL; + instanceData *pData; +CODESTARTdoAction + pthread_mutex_lock(&mutDoAct); + pData = pWrkrData->pData; + /* see if we are ready to proceed */ + if(pData->client == NULL) { + CHKiRet(initMongoDB(pData, 0)); + } + + if(pData->tplName == NULL) { + doc = getDefaultBSON(*(smsg_t**)pMsgData); + } else { + doc = BSONFromJSONObject(*(struct json_object **)pMsgData); + } + if(doc == NULL) { + dbgprintf("ommongodb: error creating BSON doc\n"); + ABORT_FINALIZE(RS_RET_ERR); + } + if (mongoc_collection_insert (pData->collection, MONGOC_INSERT_NONE, doc, NULL, &(pData->error) ) ) { + pData->bErrMsgPermitted = 1; + } else if (is_allowed_error_code(pData, pData->error.code)) { + dbgprintf("ommongodb: insert error: allowing error code\n"); + } else { + dbgprintf("ommongodb: insert error %u : %s \n", pData->error.code, pData->error.message); + reportMongoError(pData); + /* close on insert error to permit resume */ + closeMongoDB(pData); + ABORT_FINALIZE(RS_RET_SUSPENDED); + } + +finalize_it: + pthread_mutex_unlock(&mutDoAct); + if(doc != NULL) + bson_destroy(doc); +ENDdoAction + + +static void setInstParamDefaults(instanceData *pData) +{ + pData->server = NULL; + pData->port = NULL; + pData->uristr = NULL; + pData->ssl_ca = NULL; + pData->ssl_cert = NULL; + pData->uid = NULL; + pData->pwd = NULL; + pData->db = NULL; + pData->collection = NULL; + pData->tplName = NULL; + memset (pData->allowed_error_codes, 0, 256 * sizeof(uint32_t)); + pData->allowed_error_codes_nbr = 0; +} + +BEGINnewActInst + struct cnfparamvals *pvals; + int i; +CODESTARTnewActInst + dbgprintf("ommongodb: Getting configuration.\n"); + if((pvals = nvlstGetParams(lst, &actpblk, NULL)) == NULL) { + ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS); + } + + CHKiRet(createInstance(&pData)); + setInstParamDefaults(pData); + + dbgprintf("ommongodb: Parsing configuration directives.\n"); + CODE_STD_STRING_REQUESTnewActInst(1) + for(i = 0 ; i < actpblk.nParams ; ++i) { + if(!pvals[i].bUsed) + continue; + if(!strcmp(actpblk.descr[i].name, "uristr")) { + pData->uristr = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "server")) { + pData->server = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "serverport")) { + pData->port = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "db")) { + pData->db = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "collection")) { + pData->collection_name = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "ssl_ca")) { + pData->ssl_ca = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "ssl_cert")) { + pData->ssl_cert = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "uid")) { + pData->uid = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "pwd")) { + pData->pwd = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "template")) { + pData->tplName = (char*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "allowed_error_codes")) { + const int maxerrcodes = sizeof(pData->allowed_error_codes) / sizeof(uint32_t); + pData->allowed_error_codes_nbr = pvals[i].val.d.ar->nmemb; + if(pData->allowed_error_codes_nbr > maxerrcodes) { + parser_errmsg("ommongodb: %d allowed_error_codes given, but max " + "supported number is %d. Only the first %d error codes will " + "be accepted", pData->allowed_error_codes_nbr, maxerrcodes, maxerrcodes); + pData->allowed_error_codes_nbr = maxerrcodes; + } + for(int j = 0 ; j < pData->allowed_error_codes_nbr ; ++j) { + const char *const str = es_str2cstr(pvals[i].val.d.ar->arr[j], NULL); + assert(str != NULL); + pData->allowed_error_codes[j] = (unsigned)atoi(str); + free((void*)str); + } + } else { + dbgprintf("ommongodb: program error, non-handled " + "param '%s'\n", actpblk.descr[i].name); + } + } + + if(pData->tplName == NULL) { + CHKiRet(OMSRsetEntry(*ppOMSR, 0, NULL, OMSR_TPL_AS_MSG)); + } else { + CHKiRet(OMSRsetEntry(*ppOMSR, 0, ustrdup(pData->tplName), + OMSR_TPL_AS_JSON)); + CHKmalloc(pData->json_tokener = json_tokener_new()); + } + + if(pData->db == NULL) + CHKmalloc(pData->db = (char*)strdup("syslog")); + if(pData->collection_name == NULL) + CHKmalloc(pData->collection_name = (char*)strdup("log")); + + /* + * If we don't have a uristr, we need to build it + */ + dbgprintf("ommongodb: Checking the uristr.\n"); + if(pData->uristr == NULL){ + dbgprintf("ommongodb: No uristr, building one.\n"); + char* tmp = NULL; + if(pData->server == NULL) + CHKmalloc(pData->server = (char*)strdup("127.0.0.1")); + if(pData->port == NULL) + CHKmalloc(pData->port = (char*)strdup("27017")); + + /* We need to calculate the total length of the connection uri. + * We will let it readable and let gcc do the optimisation for us. + */ + size_t server = strlen(pData->server); + size_t port = strlen(pData->port); + size_t uid = 0; + size_t pwd = 0; + size_t uri_len = strlen("mongodb://") + server + port + 2; + if(pData->uid && pData->pwd){ + uid = strlen(pData->uid); + pwd = strlen(pData->pwd); + uri_len += uid + pwd + 2; + } + if(pData->ssl_ca && pData->ssl_cert) + uri_len += strlen("?ssl=true"); /* "?ssl=true" & "&ssl=true" are the same size */ + + /* + * Formatting string "by hand" is a lot faster on execution than a snprintf for example. + */ + CHKmalloc(pData->uristr = malloc(uri_len + 1)); + tmp = stpncpy(pData->uristr, "mongodb://", 11); + if(pData->uid && pData->pwd){ + dbgprintf("ommongodb: Adding uid & pwd to uristr.\n"); + tmp = stpncpy(tmp, pData->uid, uid); + *tmp = ':'; + ++tmp; + tmp = stpncpy(tmp, pData->pwd, pwd); + *tmp = '@'; + ++tmp; + } + dbgprintf("ommongodb: Adding server & port to uristr.\n"); + tmp = stpncpy(tmp, pData->server, server); + *tmp = ':'; + ++tmp; + tmp = stpncpy(tmp, pData->port, port); + *tmp = '/'; + ++tmp; + if(pData->ssl_ca && pData->ssl_cert){ + dbgprintf("ommongodb: Adding ssl to uristr.\n"); + if(pData->uid && pData->pwd) + tmp = stpncpy(tmp, "&ssl=true", 10); + else + tmp = stpncpy(tmp, "?ssl=true", 10); + } + *tmp = '\0'; + } + dbgprintf("ommongodb: The uristr: %s\n", pData->uristr); + dbgprintf("ommongodb: End of the configuration.\n"); + +CODE_STD_FINALIZERnewActInst + cnfparamvalsDestruct(pvals, &actpblk); +ENDnewActInst + + +NO_LEGACY_CONF_parseSelectorAct + + +BEGINmodExit +CODESTARTmodExit + objRelease(datetime, CORE_COMPONENT); +ENDmodExit + + +BEGINqueryEtryPt +CODESTARTqueryEtryPt +CODEqueryEtryPt_STD_OMOD_QUERIES +CODEqueryEtryPt_STD_OMOD8_QUERIES +CODEqueryEtryPt_STD_CONF2_OMOD_QUERIES +ENDqueryEtryPt + +BEGINmodInit() + rsRetVal localRet; + rsRetVal (*pomsrGetSupportedTplOpts)(unsigned long *pOpts); + unsigned long opts; + int bJSONPassingSupported; +CODESTARTmodInit + *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */ +CODEmodInit_QueryRegCFSLineHdlr + CHKiRet(objUse(datetime, CORE_COMPONENT)); + INITChkCoreFeature(bCoreSupportsBatching, CORE_FEATURE_BATCHING); + DBGPRINTF("ommongodb: module compiled with rsyslog version %s.\n", VERSION); + + /* check if the rsyslog core supports parameter passing code */ + bJSONPassingSupported = 0; + localRet = pHostQueryEtryPt((uchar*)"OMSRgetSupportedTplOpts", + &pomsrGetSupportedTplOpts); + if(localRet == RS_RET_OK) { + /* found entry point, so let's see if core supports msg passing */ + CHKiRet((*pomsrGetSupportedTplOpts)(&opts)); + if(opts & OMSR_TPL_AS_JSON) + bJSONPassingSupported = 1; + } else if(localRet != RS_RET_ENTRY_POINT_NOT_FOUND) { + ABORT_FINALIZE(localRet); /* Something else went wrong, not acceptable */ + } + if(!bJSONPassingSupported) { + DBGPRINTF("ommongodb: JSON-passing is not supported by rsyslog core, " + "can not continue.\n"); + ABORT_FINALIZE(RS_RET_NO_JSON_PASSING); + } +ENDmodInit |