diff options
-rw-r--r-- | ChangeLog | 12 | ||||
-rw-r--r-- | configure.ac | 2 | ||||
-rw-r--r-- | doc/manual.html | 2 | ||||
-rw-r--r-- | grammar/rainerscript.c | 3 | ||||
-rw-r--r-- | plugins/imuxsock/imuxsock.c | 95 | ||||
-rw-r--r-- | plugins/mmaudit/mmaudit.c | 75 | ||||
-rw-r--r-- | plugins/mmjsonparse/mmjsonparse.c | 89 | ||||
-rw-r--r-- | plugins/mmnormalize/mmnormalize.c | 36 | ||||
-rw-r--r-- | runtime/msg.c | 254 | ||||
-rw-r--r-- | runtime/msg.h | 7 | ||||
-rw-r--r-- | runtime/rsyslog.h | 5 | ||||
-rw-r--r-- | template.c | 55 |
12 files changed, 403 insertions, 232 deletions
@@ -1,8 +1,18 @@ --------------------------------------------------------------------------- -Version 6.5.1 [devel] 2012-08-?? +Version 7.1.1 [devel] 2012-09-?? +- imuxsock now stores trusted properties by default in the CEE root + This was done in order to keep compatible with other implementations of + the lumberjack schema + Thanks to Miloslav Trmač for pointing to this. +- bugfix: string-generating templates caused abort if CEE field could not + be found +--------------------------------------------------------------------------- +Version 7.1.0 [devel] 2012-09-06 +- added support for hierarchical properties (CEE/lumberjack) - added pure JSON output plugin parameter passing mode - ommongodb now supports templates - bugfix: imtcp could abort on exit due to invalid free() +- imported bugfixes from 6.4.1 --------------------------------------------------------------------------- Version 6.5.0 [devel] 2012-08-28 - imrelp now supports non-cancel thread termination diff --git a/configure.ac b/configure.ac index 1d7aec58..25f6ab46 100644 --- a/configure.ac +++ b/configure.ac @@ -2,7 +2,7 @@ # Process this file with autoconf to produce a configure script. AC_PREREQ(2.61) -AC_INIT([rsyslog],[6.5.0],[rsyslog@lists.adiscon.com]) +AC_INIT([rsyslog],[7.1.0],[rsyslog@lists.adiscon.com]) AM_INIT_AUTOMAKE m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])]) diff --git a/doc/manual.html b/doc/manual.html index 9a8644c9..58b270f9 100644 --- a/doc/manual.html +++ b/doc/manual.html @@ -19,7 +19,7 @@ rsyslog support</a> available directly from the source!</p> <p><b>Please visit the <a href="http://www.rsyslog.com/sponsors">rsyslog sponsor's page</a> to honor the project sponsors or become one yourself!</b> We are very grateful for any help towards the project goals.</p> -<p><b>This documentation is for version 6.5.0 (devel branch) of rsyslog.</b> +<p><b>This documentation is for version 7.1.0 (devel branch) of rsyslog.</b> Visit the <i><a href="http://www.rsyslog.com/status">rsyslog status page</a></i></b> to obtain current version information and project status. </p><p><b>If you like rsyslog, you might diff --git a/grammar/rainerscript.c b/grammar/rainerscript.c index 33630a76..56a6376d 100644 --- a/grammar/rainerscript.c +++ b/grammar/rainerscript.c @@ -139,7 +139,7 @@ objlstDestruct(struct objlst *lst) while(lst != NULL) { toDel = lst; lst = lst->next; - // TODO: delete object + cnfobjDestruct(toDel->obj); free(toDel); } } @@ -648,6 +648,7 @@ cnfobjDestruct(struct cnfobj *o) { if(o != NULL) { nvlstDestruct(o->nvlst); + objlstDestruct(o->subobjs); free(o); } } diff --git a/plugins/imuxsock/imuxsock.c b/plugins/imuxsock/imuxsock.c index 57b2a70a..bb0e998f 100644 --- a/plugins/imuxsock/imuxsock.c +++ b/plugins/imuxsock/imuxsock.c @@ -164,8 +164,6 @@ static int startIndexUxLocalSockets; /* process fd from that index on (used to static int nfd = 1; /* number of Unix sockets open / read-only after startup */ static int sd_fds = 0; /* number of systemd activated sockets */ -static ee_ctx ctxee = NULL; /* library context */ - /* config vars for legacy config system */ #define DFLT_bCreatePath 0 #define DFLT_ratelimitInterval 0 @@ -643,14 +641,12 @@ getTrustedProp(struct ucred *cred, char *propName, uchar *buf, size_t lenBuf, in if((fd = open(namebuf, O_RDONLY)) == -1) { DBGPRINTF("error reading '%s'\n", namebuf); - *lenProp = 0; - FINALIZE; + ABORT_FINALIZE(RS_RET_ERR); } if((lenRead = read(fd, buf, lenBuf - 1)) == -1) { DBGPRINTF("error reading file data for '%s'\n", namebuf); - *lenProp = 0; close(fd); - FINALIZE; + ABORT_FINALIZE(RS_RET_ERR); } /* we strip after the first \n */ @@ -686,8 +682,7 @@ getTrustedExe(struct ucred *cred, uchar *buf, size_t lenBuf, int* lenProp) if((lenRead = readlink(namebuf, (char*)buf, lenBuf - 1)) == -1) { DBGPRINTF("error reading link '%s'\n", namebuf); - *lenProp = 0; - FINALIZE; + ABORT_FINALIZE(RS_RET_ERR); } buf[lenRead] = '\0'; @@ -720,6 +715,7 @@ copyescaped(uchar *dstbuf, uchar *inbuf, int inlen) } +#if 0 /* Creates new field to be added to event * used for SystemLogParseTrusted parsing */ @@ -738,6 +734,7 @@ createNewField(char *fieldname, char *value, int lenValue) { return newField; } +#endif /* submit received message to the queue engine @@ -765,7 +762,7 @@ SubmitMsg(uchar *pRcv, int lenRcv, lstn_t *pLstn, struct ucred *cred, struct tim uchar *pmsgbuf; int toffs; /* offset for trusted properties */ struct syslogTime dummyTS; - struct ee_event *event = NULL; + struct json_object *json = NULL, *jval; DEFiRet; /* TODO: handle format errors?? */ @@ -812,45 +809,27 @@ SubmitMsg(uchar *pRcv, int lenRcv, lstn_t *pLstn, struct ucred *cred, struct tim } if (pLstn->bParseTrusted) { - struct ee_field *newField; - - if(ctxee == NULL) { - if((ctxee = ee_initCtx()) == NULL) { - errmsg.LogError(0, RS_RET_NO_RULESET, "error: could not initialize libee ctx, cannot " - "activate action"); - ABORT_FINALIZE(RS_RET_ERR_LIBEE_INIT); - } + json = json_object_new_object(); + /* create value string, create field, and add it */ + jval = json_object_new_int(cred->pid); + json_object_object_add(json, "pid", jval); + jval = json_object_new_int(cred->uid); + json_object_object_add(json, "uid", jval); + jval = json_object_new_int(cred->gid); + json_object_object_add(json, "gid", jval); + if(getTrustedProp(cred, "comm", propBuf, sizeof(propBuf), &lenProp) == RS_RET_OK) { + jval = json_object_new_string((char*)propBuf); + json_object_object_add(json, "appname", jval); + } + if(getTrustedExe(cred, propBuf, sizeof(propBuf), &lenProp) == RS_RET_OK) { + jval = json_object_new_string((char*)propBuf); + json_object_object_add(json, "exe", jval); + } + if(getTrustedProp(cred, "cmdline", propBuf, sizeof(propBuf), &lenProp) == RS_RET_OK) { + jval = json_object_new_string((char*)propBuf); + json_object_object_add(json, "cmd", jval); } - - event = ee_newEvent(ctxee); - - /* create value string, create field, and add it to event */ - lenProp = snprintf((char *)propBuf, sizeof(propBuf), "%lu", (long unsigned) cred->pid); - newField = createNewField("pid", (char *)propBuf, lenProp); - ee_addFieldToEvent(event, newField); - - lenProp = snprintf((char *)propBuf, sizeof(propBuf), "%lu", (long unsigned) cred->uid); - newField = createNewField("uid", (char *)propBuf, lenProp); - ee_addFieldToEvent(event, newField); - - lenProp = snprintf((char *)propBuf, sizeof(propBuf), "%lu", (long unsigned) cred->gid); - newField = createNewField("gid", (char *)propBuf, lenProp); - ee_addFieldToEvent(event, newField); - - getTrustedProp(cred, "comm", propBuf, sizeof(propBuf), &lenProp); - newField = createNewField("appname", (char *)propBuf, lenProp); - ee_addFieldToEvent(event, newField); - - getTrustedExe(cred, propBuf, sizeof(propBuf), &lenProp); - newField = createNewField("exe", (char *)propBuf, lenProp); - ee_addFieldToEvent(event, newField); - - getTrustedProp(cred, "cmdline", propBuf, sizeof(propBuf), &lenProp); - newField = createNewField("cmd", (char *)propBuf, lenProp); - ee_addFieldToEvent(event, newField); - } else { - memcpy(pmsgbuf, pRcv, lenRcv); memcpy(pmsgbuf+lenRcv, " @[", 3); toffs = lenRcv + 3; /* next free location */ @@ -860,20 +839,17 @@ SubmitMsg(uchar *pRcv, int lenRcv, lstn_t *pLstn, struct ucred *cred, struct tim memcpy(pmsgbuf+toffs, propBuf, lenProp); toffs = toffs + lenProp; - getTrustedProp(cred, "comm", propBuf, sizeof(propBuf), &lenProp); - if(lenProp) { + if(getTrustedProp(cred, "comm", propBuf, sizeof(propBuf), &lenProp) == RS_RET_OK) { memcpy(pmsgbuf+toffs, " _COMM=", 7); memcpy(pmsgbuf+toffs+7, propBuf, lenProp); toffs = toffs + 7 + lenProp; } - getTrustedExe(cred, propBuf, sizeof(propBuf), &lenProp); - if(lenProp) { + if(getTrustedExe(cred, propBuf, sizeof(propBuf), &lenProp) == RS_RET_OK) { memcpy(pmsgbuf+toffs, " _EXE=", 6); memcpy(pmsgbuf+toffs+6, propBuf, lenProp); toffs = toffs + 6 + lenProp; } - getTrustedProp(cred, "cmdline", propBuf, sizeof(propBuf), &lenProp); - if(lenProp) { + if(getTrustedProp(cred, "cmdline", propBuf, sizeof(propBuf), &lenProp) == RS_RET_OK) { memcpy(pmsgbuf+toffs, " _CMDLINE=", 9); toffs = toffs + 9 + copyescaped(pmsgbuf+toffs+9, propBuf, lenProp); @@ -902,12 +878,11 @@ SubmitMsg(uchar *pRcv, int lenRcv, lstn_t *pLstn, struct ucred *cred, struct tim parse++; lenMsg--; /* '>' */ - /* event is saved to pMsg */ - if(pMsg->event != NULL) { - ee_deleteEvent(pMsg->event); - } - if (event != NULL) { - pMsg->event = event; + if(json != NULL) { + /* as per lumberjack spec, these properties need to go into + * the CEE root. + */ + msgAddJSON(pMsg, (uchar*)"!", json); } if(ts == NULL) { @@ -1361,10 +1336,6 @@ CODESTARTafterRun discardLogSockets(); nfd = 1; - if(ctxee != NULL) { - ee_exitCtx(ctxee); - ctxee = NULL; - } ENDafterRun diff --git a/plugins/mmaudit/mmaudit.c b/plugins/mmaudit/mmaudit.c index fcefd013..4934312b 100644 --- a/plugins/mmaudit/mmaudit.c +++ b/plugins/mmaudit/mmaudit.c @@ -67,7 +67,6 @@ DEFobjCurrIf(errmsg); DEF_OMOD_STATIC_DATA typedef struct _instanceData { - ee_ctx ctxee; /**< context to be used for libee */ } instanceData; typedef struct configSettings_s { @@ -93,7 +92,6 @@ ENDisCompatibleWithFeature BEGINfreeInstance CODESTARTfreeInstance - ee_exitCtx(pData->ctxee); ENDfreeInstance @@ -169,17 +167,20 @@ finalize_it: /* parse the audit record and create libee structure */ static rsRetVal -audit_parse(instanceData *pData, uchar *buf, struct ee_event **event) +audit_parse(uchar *buf, struct json_object **jsonRoot) { - es_str_t *estr; + struct json_object *json; + struct json_object *jval; char name[1024]; char val[1024]; DEFiRet; - *event = ee_newEvent(pData->ctxee); - if(event == NULL) { + *jsonRoot = json_object_new_object(); + if(*jsonRoot == NULL) { ABORT_FINALIZE(RS_RET_ERR); } + json = json_object_new_object(); + json_object_object_add(*jsonRoot, "data", json); while(*buf) { //dbgprintf("audit_parse, buf: '%s'\n", buf); @@ -189,10 +190,8 @@ audit_parse(instanceData *pData, uchar *buf, struct ee_event **event) } ++buf; CHKiRet(parseValue(&buf, val, sizeof(val))); - - estr = es_newStrFromCStr(val, strlen(val)); - ee_addStrFieldToEvent(*event, name, estr); - es_deleteStr(estr); + jval = json_object_new_string(val); + json_object_object_add(json, name, jval); dbgprintf("mmaudit: parsed %s=%s\n", name, val); } @@ -206,9 +205,10 @@ BEGINdoAction msg_t *pMsg; uchar *buf; int typeID; - struct ee_event *event; + struct json_object *jsonRoot; + struct json_object *json; + struct json_object *jval; int i; - es_str_t *estr; char auditID[1024]; int bSuccess = 0; CODESTARTdoAction @@ -252,48 +252,24 @@ dbgprintf("mmaudit: msg is '%s'\n", buf); } buf += 2; -dbgprintf("mmaudit: cookie found, type %d, auditID '%s', rest of message: '%s'\n", typeID, auditID, buf); - audit_parse(pData, buf, &event); - if(event == NULL) { + audit_parse(buf, &jsonRoot); + if(jsonRoot == NULL) { DBGPRINTF("mmaudit: audit parse error, assuming no " "audit message: '%s'\n", buf); FINALIZE; } /* we now need to shuffle the "outer" properties into that stream */ - estr = es_newStrFromCStr(auditID, strlen(auditID)); - ee_addStrFieldToEvent(event, "audithdr.auditid", estr); - es_deleteStr(estr); - - /* we abuse auditID a bit to save space... (TODO: change!) */ - snprintf(auditID, sizeof(auditID), "%d", typeID); - estr = es_newStrFromCStr(auditID, strlen(auditID)); - ee_addStrFieldToEvent(event, "audithdr.type", estr); - es_deleteStr(estr); - - /* TODO: in the long term, we need to think about merging & different - name spaces (probably best to add the newly-obtained event as a child to - the existing event...) - */ - if(pMsg->event != NULL) { - ee_deleteEvent(pMsg->event); - } - pMsg->event = event; + json = json_object_new_object(); + json_object_object_add(jsonRoot, "hdr", json); + jval = json_object_new_string(auditID); + json_object_object_add(json, "auditid", jval); + jval = json_object_new_int(typeID); + json_object_object_add(json, "type", jval); + + msgAddJSON(pMsg, (uchar*)"!audit", jsonRoot); bSuccess = 1; -#if 1 - /***DEBUG***/ // TODO: remove after initial testing - 2010-12-01 - { - char *cstr; - es_str_t *str; - ee_fmtEventToJSON(pMsg->event, &str); - cstr = es_str2cstr(str, NULL); - dbgprintf("mmaudit generated: %s\n", cstr); - free(cstr); - es_deleteStr(str); - } - /***END DEBUG***/ -#endif finalize_it: MsgSetParseSuccess(pMsg, bSuccess); ENDdoAction @@ -318,13 +294,6 @@ CODE_STD_STRING_REQUESTparseSelectorAct(1) * the format specified (if any) is always ignored. */ CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, OMSR_TPL_AS_MSG, (uchar*) "RSYSLOG_FileFormat")); - - /* finally build the instance */ - if((pData->ctxee = ee_initCtx()) == NULL) { - errmsg.LogError(0, RS_RET_NO_RULESET, "error: could not initialize libee ctx, cannot " - "activate action"); - ABORT_FINALIZE(RS_RET_ERR_LIBEE_INIT); - } CODE_STD_FINALIZERparseSelectorAct ENDparseSelectorAct diff --git a/plugins/mmjsonparse/mmjsonparse.c b/plugins/mmjsonparse/mmjsonparse.c index 03147b59..d419f246 100644 --- a/plugins/mmjsonparse/mmjsonparse.c +++ b/plugins/mmjsonparse/mmjsonparse.c @@ -36,7 +36,7 @@ #include <unistd.h> #include <ctype.h> #include <libestr.h> -#include <libee/libee.h> +#include <json/json.h> #include "conf.h" #include "syslogd-types.h" #include "template.h" @@ -59,7 +59,7 @@ DEFobjCurrIf(errmsg); DEF_OMOD_STATIC_DATA typedef struct _instanceData { - ee_ctx ctxee; /**< context to be used for libee */ + struct json_tokener *tokener; } instanceData; typedef struct configSettings_s { @@ -85,7 +85,8 @@ ENDisCompatibleWithFeature BEGINfreeInstance CODESTARTfreeInstance - ee_exitCtx(pData->ctxee); + if(pData->tokener != NULL) + json_tokener_free(pData->tokener); ENDfreeInstance @@ -99,12 +100,54 @@ BEGINtryResume CODESTARTtryResume ENDtryResume + +static rsRetVal +processJSON(instanceData *pData, msg_t *pMsg, char *buf, size_t lenBuf) +{ + struct json_object *json; + const char *errMsg; + DEFiRet; + + dbgprintf("mmjsonparse: toParse: '%s'\n", buf); + json_tokener_reset(pData->tokener); + + json = json_tokener_parse_ex(pData->tokener, buf, lenBuf); + if(Debug) { + errMsg = NULL; + if(json == NULL) { + enum json_tokener_error err; + + err = pData->tokener->err; + if(err != json_tokener_continue) + errMsg = json_tokener_errors[err]; + else + errMsg = "Unterminated input"; + } else if((size_t)pData->tokener->char_offset < lenBuf) + errMsg = "Extra characters after JSON object"; + else if(!json_object_is_type(json, json_type_object)) + errMsg = "JSON value is not an object"; + if(errMsg != NULL) { + dbgprintf("mmjsonparse: Error parsing JSON '%s': %s\n", + buf, errMsg); + } + } + if(json == NULL + || ((size_t)pData->tokener->char_offset < lenBuf) + || (!json_object_is_type(json, json_type_object))) { + FINALIZE; /* just don't set property */ + } + + msgAddJSON(pMsg, (uchar*)"!", json); +dbgprintf("AAAA: The msg json object: %s\n",json_object_to_json_string(pMsg->json)); +finalize_it: + RETiRet; +} + #define COOKIE "@cee: " #define LEN_COOKIE (sizeof(COOKIE)-1) BEGINdoAction msg_t *pMsg; uchar *buf; - struct ee_event *event; int bSuccess = 0; CODESTARTdoAction pMsg = (msg_t*) ppString[0]; @@ -125,35 +168,8 @@ dbgprintf("mmjsonparse: msg is '%s'\n", buf); } buf += LEN_COOKIE; dbgprintf("mmjsonparse: cookie found, rest of message: '%s'\n", buf); - event = ee_newEventFromJSON(pData->ctxee, (char*)buf); - if(event == NULL) { - DBGPRINTF("mmjsonparse: JSON parse error, assuming no " - "JSON-enhanced message: '%s'\n", buf); - FINALIZE; - } - /* TODO: in the long term, we need to think about merging & different - name spaces (probably best to add the newly-obtained event as a child to - the existing event...) - */ - if(pMsg->event != NULL) { - ee_deleteEvent(pMsg->event); - } - pMsg->event = event; + CHKiRet(processJSON(pData, pMsg, (char*) buf, strlen((char*)buf))); bSuccess = 1; - -#if 1 - /***DEBUG***/ // TODO: remove after initial testing - 2010-12-01 - { - char *cstr; - es_str_t *str; - ee_fmtEventToJSON(pMsg->event, &str); - cstr = es_str2cstr(str, NULL); - dbgprintf("mmjsonparse generated: %s\n", cstr); - free(cstr); - es_deleteStr(str); - } - /***END DEBUG***/ -#endif finalize_it: MsgSetParseSuccess(pMsg, bSuccess); ENDdoAction @@ -180,10 +196,11 @@ CODE_STD_STRING_REQUESTparseSelectorAct(1) CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, OMSR_TPL_AS_MSG, (uchar*) "RSYSLOG_FileFormat")); /* finally build the instance */ - if((pData->ctxee = ee_initCtx()) == NULL) { - errmsg.LogError(0, RS_RET_NO_RULESET, "error: could not initialize libee ctx, cannot " - "activate action"); - ABORT_FINALIZE(RS_RET_ERR_LIBEE_INIT); + pData->tokener = json_tokener_new(); + if(pData->tokener == NULL) { + errmsg.LogError(0, RS_RET_ERR, "error: could not create json " + "tokener, cannot activate action"); + ABORT_FINALIZE(RS_RET_ERR); } CODE_STD_FINALIZERparseSelectorAct ENDparseSelectorAct diff --git a/plugins/mmnormalize/mmnormalize.c b/plugins/mmnormalize/mmnormalize.c index c5b290f4..bf0b9ce6 100644 --- a/plugins/mmnormalize/mmnormalize.c +++ b/plugins/mmnormalize/mmnormalize.c @@ -4,9 +4,12 @@ * * NOTE: read comments in module-template.h for details on the calling interface! * + * TODO: check if we can replace libee via JSON system - currently that part + * is pretty inefficient... rgerhards, 2012-08-27 + * * File begun on 2010-01-01 by RGerhards * - * Copyright 2010 Rainer Gerhards and Adiscon GmbH. + * Copyright 2010-2012 Rainer Gerhards and Adiscon GmbH. * * This file is part of rsyslog. * @@ -37,6 +40,7 @@ #include <unistd.h> #include <libestr.h> #include <libee/libee.h> +#include <json/json.h> #include <liblognorm.h> #include "conf.h" #include "syslogd-types.h" @@ -108,8 +112,12 @@ BEGINdoAction msg_t *pMsg; es_str_t *str; uchar *buf; + char *cstrJSON; int len; int r; + struct ee_event *event = NULL; + struct json_tokener *tokener; + struct json_object *json; CODESTARTdoAction pMsg = (msg_t*) ppString[0]; /* note that we can performance-optimize the interface, but this also @@ -123,7 +131,7 @@ CODESTARTdoAction len = getMSGLen(pMsg); } str = es_newStrFromCStr((char*)buf, len); - r = ln_normalize(pData->ctxln, str, &pMsg->event); + r = ln_normalize(pData->ctxln, str, &event); if(r != 0) { DBGPRINTF("error %d during ln_normalize\n", r); MsgSetParseSuccess(pMsg, 0); @@ -131,16 +139,20 @@ CODESTARTdoAction MsgSetParseSuccess(pMsg, 1); } es_deleteStr(str); - /***DEBUG***/ // TODO: remove after initial testing - 2010-12-01 - { - char *cstr; - ee_fmtEventToJSON(pMsg->event, &str); - cstr = es_str2cstr(str, NULL); - dbgprintf("mmnormalize generated: %s\n", cstr); - free(cstr); - es_deleteStr(str); - } - /***END DEBUG***/ + + /* reformat to our json data struct */ + // TODO: this is all extremly ineffcient! + ee_fmtEventToJSON(event, &str); + cstrJSON = es_str2cstr(str, NULL); + dbgprintf("mmnormalize generated: %s\n", cstrJSON); + + tokener = json_tokener_new(); + json = json_tokener_parse_ex(tokener, cstrJSON, strlen((char*)cstrJSON)); + json_tokener_free(tokener); + msgAddJSON(pMsg, (uchar*)"!", json); + + free(cstrJSON); + es_deleteStr(str); ENDdoAction diff --git a/runtime/msg.c b/runtime/msg.c index 187f0c22..f1f7997c 100644 --- a/runtime/msg.c +++ b/runtime/msg.c @@ -39,7 +39,9 @@ #include <sys/sysinfo.h> #include <netdb.h> #include <libestr.h> -#include <libee/libee.h> +#include <json/json.h> +/* For struct json_object_iter, should not be necessary in future versions */ +#include <json/json_object_private.h> #if HAVE_MALLOC_H # include <malloc.h> #endif @@ -291,6 +293,8 @@ static pthread_mutex_t mutTrimCtr; /* mutex to handle malloc trim */ /* some forward declarations */ static int getAPPNAMELen(msg_t *pM, sbool bLockMutex); +static rsRetVal jsonPathFindParent(msg_t *pM, uchar *name, uchar *leaf, struct json_object **parent, int bCreate); +static uchar * jsonPathGetLeaf(uchar *name, int lenName); /* The following functions will support advanced output module @@ -740,7 +744,7 @@ static inline rsRetVal msgBaseConstruct(msg_t **ppThis) pM->pRcvFromIP = NULL; pM->rcvFrom.pRcvFrom = NULL; pM->pRuleset = NULL; - pM->event = NULL; + pM->json = NULL; memset(&pM->tRcvdAt, 0, sizeof(pM->tRcvdAt)); memset(&pM->tTIMESTAMP, 0, sizeof(pM->tTIMESTAMP)); pM->TAG.pszTAG = NULL; @@ -879,8 +883,8 @@ CODESTARTobjDestruct(msg) rsCStrDestruct(&pThis->pCSPROCID); if(pThis->pCSMSGID != NULL) rsCStrDestruct(&pThis->pCSMSGID); - if(pThis->event != NULL) - ee_deleteEvent(pThis->event); + if(pThis->json != NULL) + json_object_put(pThis->json); if(pThis->pszUUID != NULL) free(pThis->pszUUID); # ifndef HAVE_ATOMIC_BUILTINS @@ -2403,39 +2407,87 @@ static uchar *getNOW(eNOWType eNow) #undef tmpBUFSIZE /* clean up */ -/* Get a CEE-Property from libee. This function probably should be - * placed somewhere else, but this smells like a big restructuring - * useful in any case. So for the time being, I'll simply leave the - * function here, as the context seems good enough. -- rgerhards, 2010-12-01 - */ -static inline void -getCEEPropVal(msg_t *pMsg, es_str_t *propName, uchar **pRes, int *buflen, unsigned short *pbMustBeFreed) +/* Get a CEE-Property as string value*/ +static inline rsRetVal +getCEEPropVal(msg_t *pM, es_str_t *propName, uchar **pRes, int *buflen, unsigned short *pbMustBeFreed) { - es_str_t *str = NULL; - int r; + uchar *name = NULL; + uchar *leaf; + struct json_object *parent; + struct json_object *field; + DEFiRet; if(*pbMustBeFreed) free(*pRes); *pRes = NULL; +dbgprintf("AAAA: enter getCEEPropVal\n"); + // TODO: mutex? + if(pM->json == NULL) goto finalize_it; - if(pMsg->event == NULL) goto finalize_it; - r = ee_getEventFieldAsString(pMsg->event, propName, &str); - - if(r != EE_OK) { - DBGPRINTF("msgGtCEEVar: libee error %d during ee_getEventFieldAsString\n", r); - FINALIZE; + if(!es_strbufcmp(propName, (uchar*)"!", 1)) { + field = pM->json; + } else { + name = (uchar*)es_str2cstr(propName, NULL); +dbgprintf("AAAA: name to search '%s'\n", name); + leaf = jsonPathGetLeaf(name, ustrlen(name)); +dbgprintf("AAAA: leaf '%s'\n", leaf); + CHKiRet(jsonPathFindParent(pM, name, leaf, &parent, 1)); + field = json_object_object_get(parent, (char*)leaf); + } + if(field == 0) { + *pRes = (uchar*) ""; + *pbMustBeFreed = 0; + } else { + *pRes = (uchar*) strdup(json_object_get_string(field)); +dbgprintf("AAAA: json_object_get_string() returns '%s'\n", *pRes); + *buflen = (int) ustrlen(*pRes); + *pbMustBeFreed = 1; } - *pRes = (unsigned char*) es_str2cstr(str, "#000"); - es_deleteStr(str); - *buflen = (int) ustrlen(*pRes); - *pbMustBeFreed = 1; finalize_it: + free(name); if(*pRes == NULL) { /* could not find any value, so set it to empty */ *pRes = (unsigned char*)""; *pbMustBeFreed = 0; } + RETiRet; +} + + +/* Get a CEE-Property as native json object + */ +rsRetVal +msgGetCEEPropJSON(msg_t *pM, es_str_t *propName, struct json_object **pjson) +{ + uchar *name = NULL; + uchar *leaf; + struct json_object *parent; + DEFiRet; + +dbgprintf("AAAA: enter getCEEPropJSON\n"); + // TODO: mutex? + if(pM->json == NULL) { + ABORT_FINALIZE(RS_RET_NOT_FOUND); + } + + if(!es_strbufcmp(propName, (uchar*)"!", 1)) { + *pjson = pM->json; + FINALIZE; + } + name = (uchar*)es_str2cstr(propName, NULL); +dbgprintf("AAAA: name to search '%s'\n", name); + leaf = jsonPathGetLeaf(name, ustrlen(name)); +dbgprintf("AAAA: leaf '%s'\n", leaf); + CHKiRet(jsonPathFindParent(pM, name, leaf, &parent, 1)); + *pjson = json_object_object_get(parent, (char*)leaf); + if(*pjson == NULL) { + ABORT_FINALIZE(RS_RET_NOT_FOUND); + } + +finalize_it: + free(name); + RETiRet; } @@ -2648,7 +2700,6 @@ uchar *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe, uchar *pBuf; int iLen; short iOffs; - es_str_t *str; /* for CEE handling, temp. string */ BEGINfunc assert(pMsg != NULL); @@ -2796,16 +2847,15 @@ uchar *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe, pRes = glbl.GetLocalHostName(); break; case PROP_CEE_ALL_JSON: - if(pMsg->event == NULL) { - if(*pbMustBeFreed == 1) - free(pRes); - pRes = (uchar*) "{}"; - *pbMustBeFreed = 0; + if(pMsg->json == NULL) { + if(*pbMustBeFreed == 1) + free(pRes); + pRes = (uchar*) "{}"; + bufLen = 2; + *pbMustBeFreed = 0; } else { - ee_fmtEventToJSON(pMsg->event, &str); - pRes = (uchar*) es_str2cstr(str, "#000"); - es_deleteStr(str); - *pbMustBeFreed = 1; /* all of these functions allocate dyn. memory */ + pRes = (uchar*)strdup(json_object_get_string(pMsg->json)); + *pbMustBeFreed = 1; } break; case PROP_CEE: @@ -3456,29 +3506,25 @@ uchar *MsgGetProp(msg_t *pMsg, struct templateEntry *pTpe, es_str_t* msgGetCEEVarNew(msg_t *pMsg, char *name) { + uchar *leaf; + char *val; es_str_t *estr = NULL; - es_str_t *epropName = NULL; - struct ee_field *field; + struct json_object *json, *parent; ISOBJ_TYPE_assert(pMsg, msg); - if(pMsg->event == NULL) { + if(pMsg->json == NULL) { estr = es_newStr(1); goto done; } - - epropName = es_newStrFromCStr(name, strlen(name)); // TODO: optimize (in grammar!) - field = ee_getEventField(pMsg->event, epropName); - if(field != NULL) { - ee_getFieldAsString(field, &estr); - } - if(estr == NULL) { - DBGPRINTF("msgGetCEEVar: error obtaining var (field=%p, var='%s')\n", - field, name); - estr = es_newStrFromCStr("*ERROR*", sizeof("*ERROR*") - 1); + leaf = jsonPathGetLeaf((uchar*)name, strlen(name)); + if(jsonPathFindParent(pMsg, (uchar*)name, leaf, &parent, 1) != RS_RET_OK) { + estr = es_newStr(1); + goto done; } - es_deleteStr(epropName); - + json = json_object_object_get(parent, (char*)leaf); + val = (char*)json_object_get_string(json); + estr = es_newStrFromCStr(val, strlen(val)); done: return estr; } @@ -3613,6 +3659,118 @@ MsgGetSeverity(obj_t_ptr pThis, int *piSeverity) } +static uchar * +jsonPathGetLeaf(uchar *name, int lenName) +{ + int i; + for(i = lenName ; name[i] != '!' && i >= 0 ; --i) + /* just skip */; + if(name[i] == '!') + ++i; + return name + i; +} + + +static rsRetVal +jsonPathFindNext(struct json_object *root, uchar **name, uchar *leaf, + struct json_object **found, int bCreate) +{ + uchar namebuf[1024]; + struct json_object *json; + size_t i; + uchar *p = *name; + DEFiRet; + + if(*p == '!') + ++p; + for(i = 0 ; *p && *p != '!' && p != leaf && i < sizeof(namebuf)-1 ; ++i, ++p) + namebuf[i] = *p; + if(i == 0) { + namebuf[i] = '\0'; + dbgprintf("AAAA: next JSONP elt: '%s'\n", namebuf); + json = json_object_object_get(root, (char*)namebuf); + } else + json = root; + if(json == NULL) { + if(!bCreate) { + ABORT_FINALIZE(RS_RET_JNAME_INVALID); + } else { + json = json_object_new_object(); + json_object_object_add(root, (char*)namebuf, json); + } + } + + *name = p; + *found = json; +finalize_it: + RETiRet; +} + +static rsRetVal +jsonPathFindParent(msg_t *pM, uchar *name, uchar *leaf, struct json_object **parent, int bCreate) +{ + DEFiRet; + *parent = pM->json; + while(name < leaf-1) { + jsonPathFindNext(*parent, &name, leaf, parent, bCreate); +dbgprintf("AAAA: name %p, leaf %p\n", name, leaf); + } + RETiRet; +} + +static rsRetVal +jsonMerge(struct json_object *existing, struct json_object *json) +{ + /* TODO: check & handle duplicate names */ + DEFiRet; + struct json_object_iter it; + + json_object_object_foreachC(json, it) { +dbgprintf("AAAA jsonMerge adds '%s'\n", it.key); + json_object_object_add(existing, it.key, + json_object_get(it.val)); + } + /* note: json-c does ref counting. We added all descandants refcounts + * in the loop above. So when we now free(_put) the root object, only + * root gets freed(). + */ + json_object_put(json); + RETiRet; +} + +rsRetVal +msgAddJSON(msg_t *pM, uchar *name, struct json_object *json) +{ + /* TODO: error checks! This is a quick&dirty PoC! */ + struct json_object *parent, *leafnode; + uchar *leaf; + DEFiRet; + + MsgLock(pM); + if(name[0] == '!' && name[1] == '\0') { + if(pM->json == NULL) + pM->json = json; + else + CHKiRet(jsonMerge(pM->json, json)); + } else { + if(pM->json == NULL) { + /* now we need a root obj */ + pM->json = json_object_new_object(); + } + leaf = jsonPathGetLeaf(name, ustrlen(name)); + CHKiRet(jsonPathFindParent(pM, name, leaf, &parent, 1)); + leafnode = json_object_object_get(parent, (char*)leaf); + if(leafnode == NULL) + json_object_object_add(parent, (char*)leaf, json); + else + CHKiRet(jsonMerge(pM->json, json)); + } + +finalize_it: + MsgUnlock(pM); + RETiRet; +} + /* dummy */ rsRetVal msgQueryInterface(void) { return RS_RET_NOT_IMPLEMENTED; } diff --git a/runtime/msg.h b/runtime/msg.h index f6b54a77..857eb673 100644 --- a/runtime/msg.h +++ b/runtime/msg.h @@ -3,7 +3,7 @@ * * File begun on 2007-07-13 by RGerhards (extracted from syslogd.c) * - * Copyright 2007-2009 Rainer Gerhards and Adiscon GmbH. + * Copyright 2007-2012 Rainer Gerhards and Adiscon GmbH. * * This file is part of the rsyslog runtime library. * @@ -30,6 +30,7 @@ #include <pthread.h> #include <libestr.h> +#include <json/json.h> #include "obj.h" #include "syslogd-types.h" #include "template.h" @@ -109,7 +110,7 @@ struct msg { it obviously is solved in way or another...). */ struct syslogTime tRcvdAt;/* time the message entered this program */ struct syslogTime tTIMESTAMP;/* (parsed) value of the timestamp */ - struct ee_event *event; /**< libee event */ + struct json_object *json; /* some fixed-size buffers to save malloc()/free() for frequently used fields (from the default templates) */ uchar szRawMsg[CONF_RAWMSG_BUFSIZE]; /* most messages are small, and these are stored here (without malloc/free!) */ uchar szHOSTNAME[CONF_HOSTNAME_BUFSIZE]; @@ -184,6 +185,7 @@ char *getPRI(msg_t *pMsg); void getRawMsg(msg_t *pM, uchar **pBuf, int *piLen); rsRetVal msgGetCEEVar(msg_t *pThis, cstr_t *propName, var_t **ppVar); es_str_t* msgGetCEEVarNew(msg_t *pMsg, char *name); +rsRetVal msgAddJSON(msg_t *pM, uchar *name, struct json_object *json); /* TODO: remove these five (so far used in action.c) */ uchar *getMSG(msg_t *pM); @@ -199,6 +201,7 @@ int getProgramNameLen(msg_t *pM, sbool bLockMutex); uchar *getRcvFrom(msg_t *pM); rsRetVal propNameToID(cstr_t *pCSPropName, propid_t *pPropID); uchar *propIDToName(propid_t propID); +rsRetVal msgGetCEEPropJSON(msg_t *pM, es_str_t *propName, struct json_object **pjson); /* The MsgPrepareEnqueue() function is a macro for performance reasons. diff --git a/runtime/rsyslog.h b/runtime/rsyslog.h index 928c3ab9..b15b558e 100644 --- a/runtime/rsyslog.h +++ b/runtime/rsyslog.h @@ -382,6 +382,11 @@ enum rsRetVal_ /** return value. All methods return this if not specified oth RS_RET_PARAM_NOT_PERMITTED = -2222, /**< legacy parameter no longer permitted (usally already set by v2) */ RS_RET_NO_JSON_PASSING = -2223, /**< rsyslog core does not support JSON-passing plugin API */ + /**** up to 2300 is reserved for v6 use ****/ + RS_RET_JNAME_NO_ROOT = -2301, /**< root element is missing in JSON path */ + RS_RET_JNAME_INVALID = -2302, /**< JSON path is invalid */ + RS_RET_JSON_PARSE_ERR = -2303, /**< we had a problem parsing JSON (or extra data) */ + /* RainerScript error messages (range 1000.. 1999) */ RS_RET_SYSVAR_NOT_FOUND = 1001, /**< system variable could not be found (maybe misspelled) */ @@ -44,6 +44,7 @@ #include "errmsg.h" #include "strgen.h" #include "rsconf.h" +#include "msg.h" #include "unicode-helper.h" /* static data */ @@ -284,6 +285,7 @@ rsRetVal tplToJSON(struct template *pTpl, msg_t *pMsg, struct json_object **pjso unsigned short bMustBeFreed; uchar *pVal; struct json_object *json, *jsonf; + rsRetVal localRet; DEFiRet; assert(pTpl != NULL); @@ -298,14 +300,28 @@ rsRetVal tplToJSON(struct template *pTpl, msg_t *pMsg, struct json_object **pjso jsonf = json_object_new_string((char*) pTpe->data.constant.pConstant); json_object_object_add(json, (char*)pTpe->fieldName, jsonf); } else if(pTpe->eEntryType == FIELD) { - pVal = (uchar*) MsgGetProp(pMsg, pTpe, pTpe->data.field.propid, - pTpe->data.field.propName, &propLen, &bMustBeFreed); - if(pTpe->data.field.options.bMandatory || propLen > 0) { - jsonf = json_object_new_string_len((char*)pVal, propLen); - json_object_object_add(json, (char*)pTpe->fieldName, jsonf); - } - if(bMustBeFreed) { /* json-c makes its own private copy! */ - free(pVal); + if(pTpe->data.field.propid == PROP_CEE) { + localRet = msgGetCEEPropJSON(pMsg, pTpe->data.field.propName, &jsonf); + if(localRet == RS_RET_OK) { + json_object_object_add(json, (char*)pTpe->fieldName, json_object_get(jsonf)); + } else { + DBGPRINTF("tplToJSON: error %d looking up property\n", + localRet); + if(pTpe->data.field.options.bMandatory) { + json_object_object_add(json, (char*)pTpe->fieldName, NULL); + } + } + } else { + pVal = (uchar*) MsgGetProp(pMsg, pTpe, pTpe->data.field.propid, + pTpe->data.field.propName, &propLen, + &bMustBeFreed); + if(pTpe->data.field.options.bMandatory || propLen > 0) { + jsonf = json_object_new_string_len((char*)pVal, propLen); + json_object_object_add(json, (char*)pTpe->fieldName, jsonf); + } + if(bMustBeFreed) { /* json-c makes its own private copy! */ + free(pVal); + } } } } @@ -727,7 +743,7 @@ static int do_Parameter(unsigned char **pp, struct template *pTpl) } if(pTpe->data.field.propid == PROP_CEE) { /* in CEE case, we need to preserve the actual property name */ - if((pTpe->data.field.propName = es_newStrFromCStr((char*)cstrGetSzStrNoNULL(pStrProp)+2, cstrLen(pStrProp)-2)) == NULL) { + if((pTpe->data.field.propName = es_newStrFromCStr((char*)cstrGetSzStrNoNULL(pStrProp)+1, cstrLen(pStrProp)-1)) == NULL) { cstrDestruct(&pStrProp); return 1; } @@ -1281,7 +1297,7 @@ static rsRetVal createPropertyTpe(struct template *pTpl, struct cnfobj *o) { struct templateEntry *pTpe; - cstr_t *name; + cstr_t *name = NULL; uchar *outname = NULL; int i; int droplastlf = 0; @@ -1312,9 +1328,12 @@ createPropertyTpe(struct template *pTpl, struct cnfobj *o) if(!pvals[i].bUsed) continue; if(!strcmp(pblkProperty.descr[i].name, "name")) { - rsCStrConstructFromszStr(&name, - (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL)); + char *tmp; + + tmp = es_str2cstr(pvals[i].val.d.estr, NULL); + rsCStrConstructFromszStr(&name, (uchar*)tmp); cstrFinalize(name); + free(tmp); } else if(!strcmp(pblkProperty.descr[i].name, "droplastlf")) { droplastlf = pvals[i].val.d.n; } else if(!strcmp(pblkProperty.descr[i].name, "mandatory")) { @@ -1475,8 +1494,8 @@ createPropertyTpe(struct template *pTpl, struct cnfobj *o) CHKiRet(propNameToID(name, &pTpe->data.field.propid)); if(pTpe->data.field.propid == PROP_CEE) { /* in CEE case, we need to preserve the actual property name */ - pTpe->data.field.propName = es_newStrFromCStr((char*)cstrGetSzStrNoNULL(name)+2, - cstrLen(name)-2); + pTpe->data.field.propName = es_newStrFromCStr((char*)cstrGetSzStrNoNULL(name)+1, + cstrLen(name)-1); } pTpe->data.field.options.bDropLastLF = droplastlf; pTpe->data.field.options.bSPIffNo1stSP = spifno1stsp; @@ -1521,7 +1540,7 @@ createPropertyTpe(struct template *pTpl, struct cnfobj *o) pTpe->data.field.options.bSecPathReplace = 1; break; } - pTpe->fieldName = ustrdup(outname); + pTpe->fieldName = outname; if(outname != NULL) pTpe->lenFieldName = ustrlen(outname); pTpe->data.field.eDateFormat = datefmt; @@ -1563,6 +1582,10 @@ createPropertyTpe(struct template *pTpl, struct cnfobj *o) } finalize_it: + if(pvals != NULL) + cnfparamvalsDestruct(pvals, &pblkProperty); + if(name != NULL) + rsCStrDestruct(&name); RETiRet; } @@ -1746,6 +1769,8 @@ tplProcessCnf(struct cnfobj *o) pTpl->optFormatEscape = JSON_ESCAPE; finalize_it: + if(pvals != NULL) + cnfparamvalsDestruct(pvals, &pblk); if(iRet != RS_RET_OK) { if(pTpl != NULL) { /* we simply make the template defunct in this case by setting |