diff options
Diffstat (limited to 'template.c')
| -rw-r--r-- | template.c | 770 |
1 files changed, 752 insertions, 18 deletions
@@ -34,6 +34,7 @@ #include <string.h> #include <ctype.h> #include <assert.h> +#include <json/json.h> #include "stringbuf.h" #include "syslogd-types.h" #include "template.h" @@ -43,6 +44,7 @@ #include "errmsg.h" #include "strgen.h" #include "rsconf.h" +#include "msg.h" #include "unicode-helper.h" /* static data */ @@ -50,6 +52,61 @@ DEFobjCurrIf(obj) DEFobjCurrIf(errmsg) DEFobjCurrIf(strgen) +/* tables for interfacing with the v6 config system */ +static struct cnfparamdescr cnfparamdescr[] = { + { "name", eCmdHdlrString, 1 }, + { "type", eCmdHdlrString, 0 }, + { "string", eCmdHdlrString, 0 }, + { "plugin", eCmdHdlrString, 0 }, + { "subtree", eCmdHdlrString, 0 }, + { "option.stdsql", eCmdHdlrBinary, 0 }, + { "option.sql", eCmdHdlrBinary, 0 }, + { "option.json", eCmdHdlrBinary, 0 } +}; +static struct cnfparamblk pblk = + { CNFPARAMBLK_VERSION, + sizeof(cnfparamdescr)/sizeof(struct cnfparamdescr), + cnfparamdescr + }; + +static struct cnfparamdescr cnfparamdescrProperty[] = { + { "name", eCmdHdlrString, 1 }, + { "outname", eCmdHdlrString, 0 }, + { "dateformat", eCmdHdlrString, 0 }, + { "caseconversion", eCmdHdlrString, 0 }, + { "controlcharacters", eCmdHdlrString, 0 }, + { "securepath", eCmdHdlrString, 0 }, + { "format", eCmdHdlrString, 0 }, + { "position.from", eCmdHdlrInt, 0 }, + { "position.to", eCmdHdlrInt, 0 }, + { "field.number", eCmdHdlrInt, 0 }, + { "field.delimiter", eCmdHdlrInt, 0 }, + { "regex.expression", eCmdHdlrString, 0 }, + { "regex.type", eCmdHdlrString, 0 }, + { "regex.nomatchmode", eCmdHdlrString, 0 }, + { "regex.match", eCmdHdlrInt, 0 }, + { "regex.submatch", eCmdHdlrInt, 0 }, + { "droplastlf", eCmdHdlrBinary, 0 }, + { "mandatory", eCmdHdlrBinary, 0 }, + { "spifno1stsp", eCmdHdlrBinary, 0 } +}; +static struct cnfparamblk pblkProperty = + { CNFPARAMBLK_VERSION, + sizeof(cnfparamdescrProperty)/sizeof(struct cnfparamdescr), + cnfparamdescrProperty + }; + +static struct cnfparamdescr cnfparamdescrConstant[] = { + { "value", eCmdHdlrString, 1 }, + { "outname", eCmdHdlrString, 0 }, +}; +static struct cnfparamblk pblkConstant = + { CNFPARAMBLK_VERSION, + sizeof(cnfparamdescrConstant)/sizeof(struct cnfparamdescr), + cnfparamdescrConstant + }; + + #ifdef FEATURE_REGEXP DEFobjCurrIf(regexp) static int bFirstRegexpErrmsg = 1; /**< did we already do a "can't load regexp" error message? */ @@ -91,7 +148,7 @@ rsRetVal tplToString(struct template *pTpl, msg_t *pMsg, uchar **ppBuf, size_t * size_t iBuf; unsigned short bMustBeFreed = 0; uchar *pVal; - size_t iLenVal = 0; + rs_size_t iLenVal = 0; assert(pTpl != NULL); assert(pMsg != NULL); @@ -103,6 +160,23 @@ rsRetVal tplToString(struct template *pTpl, msg_t *pMsg, uchar **ppBuf, size_t * FINALIZE; } + if(pTpl->subtree != NULL) { + /* only a single CEE subtree must be provided */ + /* note: we could optimize the code below, however, this is + * not worth the effort, as this passing mode is not expected + * in subtree mode and so most probably only used for debug & test. + */ + getCEEPropVal(pMsg, pTpl->subtree, &pVal, &iLenVal, &bMustBeFreed); + if(iLenVal >= (rs_size_t)*pLenBuf) /* we reserve one char for the final \0! */ + CHKiRet(ExtendBuf(ppBuf, pLenBuf, iLenVal + 1)); + memcpy(*ppBuf, pVal, iLenVal+1); + if(bMustBeFreed) + free(pVal); + FINALIZE; + } + + /* we have a "regular" template with template entries */ + /* loop through the template. We obtain one value * and copy it over to our dynamic string buffer. Then, we * free the obtained value (if requested). We continue this @@ -177,7 +251,7 @@ rsRetVal tplToArray(struct template *pTpl, msg_t *pMsg, uchar*** ppArr) struct templateEntry *pTpe; uchar **pArr; int iArr; - size_t propLen; + rs_size_t propLen; unsigned short bMustBeFreed; uchar *pVal; @@ -185,11 +259,24 @@ rsRetVal tplToArray(struct template *pTpl, msg_t *pMsg, uchar*** ppArr) assert(pMsg != NULL); assert(ppArr != NULL); + if(pTpl->subtree) { + /* Note: this mode is untested, as there is no official plugin + * using array passing, so I simply could not test it. + */ + CHKmalloc(pArr = calloc(2, sizeof(uchar*))); + getCEEPropVal(pMsg, pTpl->subtree, &pVal, &propLen, &bMustBeFreed); + if(bMustBeFreed) { /* if it must be freed, it is our own private copy... */ + pArr[0] = pVal; /* ... so we can use it! */ + } else { + CHKmalloc(pArr[0] = (uchar*)strdup((char*) pVal)); + } + FINALIZE; + } + /* loop through the template. We obtain one value, create a * private copy (if necessary), add it to the string array * and then on to the next until we have processed everything. */ - CHKmalloc(pArr = calloc(pTpl->tpenElements + 1, sizeof(uchar*))); iArr = 0; @@ -217,6 +304,73 @@ finalize_it: } +/* This functions converts a template into a json object. + * For further general details, see the very similar funtion + * tpltoString(). + * rgerhards, 2012-08-29 + */ +rsRetVal +tplToJSON(struct template *pTpl, msg_t *pMsg, struct json_object **pjson) +{ + struct templateEntry *pTpe; + rs_size_t propLen; + unsigned short bMustBeFreed; + uchar *pVal; + struct json_object *json, *jsonf; + rsRetVal localRet; + DEFiRet; + + if(pTpl->subtree != NULL){ + localRet = jsonFind(pMsg, pTpl->subtree, pjson); + if(*pjson == NULL) { + /* we need to have a root object! */ + *pjson = json_object_new_object(); + } else { + json_object_get(*pjson); /* inc refcount */ + } + FINALIZE; + } + + json = json_object_new_object(); + for(pTpe = pTpl->pEntryRoot ; pTpe != NULL ; pTpe = pTpe->pNext) { + if(pTpe->eEntryType == CONSTANT) { + if(pTpe->fieldName == NULL) + continue; + jsonf = json_object_new_string((char*) pTpe->data.constant.pConstant); + json_object_object_add(json, (char*)pTpe->fieldName, jsonf); + } else if(pTpe->eEntryType == FIELD) { + 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); + } + } + } + } + *pjson = (iRet == RS_RET_OK) ? json : NULL; + +finalize_it: + RETiRet; +} + + /* Helper to doEscape. This is called if doEscape * runs out of memory allocating the escaped string. * Then we are in trouble. We can @@ -270,7 +424,7 @@ static void doEmergencyEscape(register uchar *p, int mode) * 2005-09-22 rgerhards */ rsRetVal -doEscape(uchar **pp, size_t *pLen, unsigned short *pbMustBeFreed, int mode) +doEscape(uchar **pp, rs_size_t *pLen, unsigned short *pbMustBeFreed, int mode) { DEFiRet; uchar *p = NULL; @@ -569,6 +723,8 @@ static void doOptions(unsigned char **pp, struct templateEntry *pTpe) } else { pTpe->data.field.options.bJSONf = 1; } + } else if(!strcmp((char*)Buf, "mandatory-field")) { + pTpe->data.field.options.bMandatory = 1; } else { dbgprintf("Invalid field option '%s' specified - ignored.\n", Buf); } @@ -627,7 +783,7 @@ 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; } @@ -924,17 +1080,21 @@ static int do_Parameter(unsigned char **pp, struct template *pTpl) /* save field name - if none was given, use the property name instead */ if(pStrField == NULL) { - if((pTpe->data.field.fieldName = - es_newStrFromCStr((char*)cstrGetSzStrNoNULL(pStrProp), cstrLen(pStrProp))) == NULL) { - return 1; + if(pTpe->data.field.propid == PROP_CEE) { + /* in CEE case, we remove "$!" from the fieldname - it's just our indicator */ + pTpe->fieldName = ustrdup(cstrGetSzStrNoNULL(pStrProp)+2); + pTpe->lenFieldName = cstrLen(pStrProp)-2; + } else { + pTpe->fieldName = ustrdup(cstrGetSzStrNoNULL(pStrProp)); + pTpe->lenFieldName = cstrLen(pStrProp); } } else { - if((pTpe->data.field.fieldName = - es_newStrFromCStr((char*)cstrGetSzStrNoNULL(pStrField), cstrLen(pStrField))) == NULL) { - return 1; - } + pTpe->fieldName = ustrdup(cstrGetSzStrNoNULL(pStrField)); + pTpe->lenFieldName = cstrLen(pStrProp); cstrDestruct(&pStrField); } + if(pTpe->fieldName == NULL) + return 1; cstrDestruct(&pStrProp); @@ -1130,6 +1290,576 @@ struct template *tplAddLine(rsconf_t *conf, char* pName, uchar** ppRestOfConfLin return(pTpl); } +static rsRetVal +createConstantTpe(struct template *pTpl, struct cnfobj *o) +{ + struct templateEntry *pTpe; + es_str_t *value; + int i; + struct cnfparamvals *pvals = NULL; + uchar *outname = NULL; + DEFiRet; + + /* pull params */ + pvals = nvlstGetParams(o->nvlst, &pblkConstant, NULL); + cnfparamsPrint(&pblkConstant, pvals); + + for(i = 0 ; i < pblkConstant.nParams ; ++i) { + if(!pvals[i].bUsed) + continue; + if(!strcmp(pblkConstant.descr[i].name, "value")) { + value = pvals[i].val.d.estr; + } else if(!strcmp(pblkConstant.descr[i].name, "outname")) { + outname = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else { + dbgprintf("template:constantTpe: program error, non-handled " + "param '%s'\n", pblkConstant.descr[i].name); + } + } + + /* sanity check */ + + /* apply */ + CHKmalloc(pTpe = tpeConstruct(pTpl)); + es_unescapeStr(value); + pTpe->eEntryType = CONSTANT; + pTpe->fieldName = outname; + if(outname != NULL) + pTpe->lenFieldName = ustrlen(outname); + pTpe->data.constant.iLenConstant = es_strlen(value); + pTpe->data.constant.pConstant = (uchar*)es_str2cstr(value, NULL); + +finalize_it: + if(pvals != NULL) + cnfparamvalsDestruct(pvals, &pblkConstant); + RETiRet; +} + +static rsRetVal +createPropertyTpe(struct template *pTpl, struct cnfobj *o) +{ + struct templateEntry *pTpe; + cstr_t *name = NULL; + uchar *outname = NULL; + int i; + int droplastlf = 0; + int spifno1stsp = 0; + int mandatory = 0; + int frompos = -1; + int topos = -1; + int fieldnum = -1; + int fielddelim = 9; /* default is HT (USACSII 9) */ + int re_matchToUse = 0; + int re_submatchToUse = 0; + char *re_expr = NULL; + struct cnfparamvals *pvals = NULL; + enum {F_NONE, F_CSV, F_JSON, F_JSONF} formatType = F_NONE; + enum {CC_NONE, CC_ESCAPE, CC_SPACE, CC_DROP} controlchr = CC_NONE; + enum {SP_NONE, SP_DROP, SP_REPLACE} secpath = SP_NONE; + enum tplFormatCaseConvTypes caseconv = tplCaseConvNo; + enum tplFormatTypes datefmt = tplFmtDefault; + enum tplRegexType re_type = TPL_REGEX_BRE; + enum tlpRegexNoMatchType re_nomatchType = TPL_REGEX_NOMATCH_USE_DFLTSTR; + DEFiRet; + + /* pull params */ + pvals = nvlstGetParams(o->nvlst, &pblkProperty, NULL); + cnfparamsPrint(&pblkProperty, pvals); + + for(i = 0 ; i < pblkProperty.nParams ; ++i) { + if(!pvals[i].bUsed) + continue; + if(!strcmp(pblkProperty.descr[i].name, "name")) { + uchar *tmpstr = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + rsCStrConstructFromszStr(&name, tmpstr); + cstrFinalize(name); + free(tmpstr); + } else if(!strcmp(pblkProperty.descr[i].name, "droplastlf")) { + droplastlf = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "mandatory")) { + mandatory = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "spifno1stsp")) { + spifno1stsp = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "outname")) { + outname = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(pblkProperty.descr[i].name, "position.from")) { + frompos = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "position.to")) { + topos = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "field.number")) { + fieldnum = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "field.delimiter")) { + fielddelim = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "regex.expression")) { + re_expr = es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(pblkProperty.descr[i].name, "regex.type")) { + if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"BRE", sizeof("BRE")-1)) { + re_type = TPL_REGEX_BRE; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"ERE", sizeof("ERE")-1)) { + re_type = TPL_REGEX_ERE; + } else { + uchar *typeStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid regex.type '%s' for property", + typeStr); + free(typeStr); + ABORT_FINALIZE(RS_RET_ERR); + } + } else if(!strcmp(pblkProperty.descr[i].name, "regex.nomatchmode")) { + if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"DFLT", sizeof("DFLT")-1)) { + re_nomatchType = TPL_REGEX_NOMATCH_USE_DFLTSTR; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"BLANK", sizeof("BLANK")-1)) { + re_nomatchType = TPL_REGEX_NOMATCH_USE_BLANK; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"FIELD", sizeof("FIELD")-1)) { + re_nomatchType = TPL_REGEX_NOMATCH_USE_WHOLE_FIELD; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"ZERO", sizeof("ZERO")-1)) { + re_nomatchType = TPL_REGEX_NOMATCH_USE_ZERO; + } else { + uchar *typeStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid format type '%s' for property", + typeStr); + free(typeStr); + ABORT_FINALIZE(RS_RET_ERR); + } + } else if(!strcmp(pblkProperty.descr[i].name, "regex.match")) { + re_matchToUse = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "regex.submatch")) { + re_submatchToUse = pvals[i].val.d.n; + } else if(!strcmp(pblkProperty.descr[i].name, "format")) { + if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"csv", sizeof("csv")-1)) { + formatType = F_CSV; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"json", sizeof("json")-1)) { + formatType = F_JSON; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"jsonf", sizeof("jsonf")-1)) { + formatType = F_JSONF; + } else { + uchar *typeStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid format type '%s' for property", + typeStr); + free(typeStr); + ABORT_FINALIZE(RS_RET_ERR); + } + } else if(!strcmp(pblkProperty.descr[i].name, "controlcharacters")) { + if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"escape", sizeof("escape")-1)) { + controlchr = CC_ESCAPE; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"space", sizeof("space")-1)) { + controlchr = CC_SPACE; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"drop", sizeof("drop")-1)) { + controlchr = CC_DROP; + } else { + uchar *typeStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid controlcharacter mode '%s' for property", + typeStr); + free(typeStr); + ABORT_FINALIZE(RS_RET_ERR); + } + } else if(!strcmp(pblkProperty.descr[i].name, "securepath")) { + if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"drop", sizeof("drop")-1)) { + secpath = SP_DROP; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"replace", sizeof("replace")-1)) { + secpath = SP_REPLACE; + } else { + uchar *typeStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid securepath mode '%s' for property", + typeStr); + free(typeStr); + ABORT_FINALIZE(RS_RET_ERR); + } + } else if(!strcmp(pblkProperty.descr[i].name, "caseconversion")) { + if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"lower", sizeof("lower")-1)) { + caseconv = tplCaseConvLower; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"upper", sizeof("upper")-1)) { + caseconv = tplCaseConvUpper; + } else { + uchar *typeStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid caseconversion type '%s' for property", + typeStr); + free(typeStr); + ABORT_FINALIZE(RS_RET_ERR); + } + } else if(!strcmp(pblkProperty.descr[i].name, "dateformat")) { + if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"mysql", sizeof("mysql")-1)) { + datefmt = tplFmtMySQLDate; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"pgsql", sizeof("pgsql")-1)) { + datefmt = tplFmtPgSQLDate; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"rfc3164", sizeof("rfc3164")-1)) { + datefmt = tplFmtRFC3164Date; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"rfc3164-buggyday", sizeof("rfc3164-buggyday")-1)) { + datefmt = tplFmtRFC3164BuggyDate; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"rfc3339", sizeof("rfc3339")-1)) { + datefmt = tplFmtRFC3339Date; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"unixtimestamp", sizeof("unixtimestamp")-1)) { + datefmt = tplFmtUnixDate; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"subseconds", sizeof("subseconds")-1)) { + datefmt = tplFmtSecFrac; + } else { + uchar *typeStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid date format '%s' for property", + typeStr); + free(typeStr); + ABORT_FINALIZE(RS_RET_ERR); + } + } else { + dbgprintf("template:propertyTpe: program error, non-handled " + "param '%s'\n", pblkProperty.descr[i].name); + } + } + if(outname == NULL) { + uchar *psz = cstrGetSzStrNoNULL(name); + /* we need to drop "$!" prefix, if present */ + if(!strncmp((char*)psz, "$!", 2)) + outname = ustrdup(psz + 2); + else + outname = ustrdup(psz); + } + + /* sanity check */ + if(topos == -1 && frompos != -1) + topos = 2000000000; /* large enough ;) */ + if(frompos == -1 && topos != -1) + frompos = 0; + if(topos < frompos) { + errmsg.LogError(0, RS_RET_ERR, "position.to=%d is lower than postion.from=%d\n", + topos, frompos); + ABORT_FINALIZE(RS_RET_ERR); + } + if(fieldnum != -1 && re_expr != NULL) { + errmsg.LogError(0, RS_RET_ERR, "both field extraction and regex extraction " + "specified - this is not possible, remove one"); + ABORT_FINALIZE(RS_RET_ERR); + } + + /* apply */ + CHKmalloc(pTpe = tpeConstruct(pTpl)); + pTpe->eEntryType = FIELD; + 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)+1, + cstrLen(name)-1); + } + pTpe->data.field.options.bDropLastLF = droplastlf; + pTpe->data.field.options.bSPIffNo1stSP = spifno1stsp; + pTpe->data.field.options.bMandatory = mandatory; + pTpe->data.field.eCaseConv = caseconv; + switch(formatType) { + case F_NONE: + /* all set ;) */ + break; + case F_CSV: + pTpe->data.field.options.bCSV = 1; + break; + case F_JSON: + pTpe->data.field.options.bJSON = 1; + break; + case F_JSONF: + pTpe->data.field.options.bJSONf = 1; + break; + } + switch(controlchr) { + case CC_NONE: + /* all set ;) */ + break; + case CC_ESCAPE: + pTpe->data.field.options.bEscapeCC = 1; + break; + case CC_SPACE: + pTpe->data.field.options.bSpaceCC = 1; + break; + case CC_DROP: + pTpe->data.field.options.bDropCC = 1; + break; + } + switch(secpath) { + case SP_NONE: + /* all set ;) */ + break; + case SP_DROP: + pTpe->data.field.options.bSecPathDrop = 1; + break; + case SP_REPLACE: + pTpe->data.field.options.bSecPathReplace = 1; + break; + } + pTpe->fieldName = outname; + if(outname != NULL) + pTpe->lenFieldName = ustrlen(outname); + pTpe->data.field.eDateFormat = datefmt; + if(fieldnum != -1) { + pTpe->data.field.has_fields = 1; + pTpe->data.field.iFieldNr = fieldnum; + pTpe->data.field.field_delim = fielddelim; + } + if(frompos != -1) { + pTpe->data.field.iFromPos = frompos; + pTpe->data.field.iToPos = topos; + } + if(re_expr != NULL) { + rsRetVal iRetLocal; + pTpe->data.field.typeRegex = re_type; + pTpe->data.field.nomatchAction = re_nomatchType; + pTpe->data.field.iMatchToUse = re_matchToUse; + pTpe->data.field.iSubMatchToUse = re_submatchToUse; + pTpe->data.field.has_regex = 1; + if((iRetLocal = objUse(regexp, LM_REGEXP_FILENAME)) == RS_RET_OK) { + int iOptions; + iOptions = (pTpe->data.field.typeRegex == TPL_REGEX_ERE) ? REG_EXTENDED : 0; + if(regexp.regcomp(&(pTpe->data.field.re), (char*) re_expr, iOptions) != 0) { + dbgprintf("error: can not compile regex: '%s'\n", re_expr); + errmsg.LogError(0, NO_ERRCODE, "error compiling regex '%s'", re_expr); + pTpe->data.field.has_regex = 2; + ABORT_FINALIZE(RS_RET_ERR); + } + } else { + /* regexp object could not be loaded */ + if(bFirstRegexpErrmsg) { /* prevent flood of messages, maybe even an endless loop! */ + bFirstRegexpErrmsg = 0; + errmsg.LogError(0, NO_ERRCODE, "regexp library could not be loaded (error %d), " + "regexp ignored", iRetLocal); + } + pTpe->data.field.has_regex = 2; + ABORT_FINALIZE(RS_RET_ERR); + } + } + +finalize_it: + if(pvals != NULL) + cnfparamvalsDestruct(pvals, &pblkProperty); + if(name != NULL) + rsCStrDestruct(&name); + RETiRet; +} + +/* create a template in list mode, is build from sub-objects */ +static rsRetVal +createListTpl(struct template *pTpl, struct cnfobj *o) +{ + struct objlst *lst; + DEFiRet; + + dbgprintf("create template from subobjs\n"); + objlstPrint(o->subobjs); + + for(lst = o->subobjs ; lst != NULL ; lst = lst->next) { + switch(lst->obj->objType) { + case CNFOBJ_PROPERTY: + CHKiRet(createPropertyTpe(pTpl, lst->obj)); + break; + case CNFOBJ_CONSTANT: + CHKiRet(createConstantTpe(pTpl, lst->obj)); + break; + default:dbgprintf("program error: invalid object type %d " + "in createLstTpl\n", lst->obj->objType); + break; + } + nvlstChkUnused(lst->obj->nvlst); + } +finalize_it: + RETiRet; +} + +/* Add a new template via the v6 config system. */ +rsRetVal +tplProcessCnf(struct cnfobj *o) +{ + struct template *pTpl = NULL; + struct cnfparamvals *pvals = NULL; + int lenName; + char *name = NULL; + uchar *tplStr = NULL; + uchar *plugin = NULL; + es_str_t *subtree = NULL; + uchar *p; + enum { T_STRING, T_PLUGIN, T_LIST, T_SUBTREE } tplType; + int i; + int o_sql=0, o_stdsql=0, o_json=0; /* options */ + int numopts; + rsRetVal localRet; + DEFiRet; + + pvals = nvlstGetParams(o->nvlst, &pblk, NULL); + cnfparamsPrint(&pblk, pvals); + + for(i = 0 ; i < pblk.nParams ; ++i) { + if(!pvals[i].bUsed) + continue; + if(!strcmp(pblk.descr[i].name, "name")) { + lenName = es_strlen(pvals[i].val.d.estr); + name = es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(pblk.descr[i].name, "type")) { + if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"string", sizeof("string")-1)) { + tplType = T_STRING; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"plugin", sizeof("plugin")-1)) { + tplType = T_PLUGIN; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"list", sizeof("list")-1)) { + tplType = T_LIST; + } else if(!es_strbufcmp(pvals[i].val.d.estr, (uchar*)"subtree", sizeof("subtree")-1)) { + tplType = T_SUBTREE; + } else { + uchar *typeStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid template type '%s'", + typeStr); + free(typeStr); + ABORT_FINALIZE(RS_RET_ERR); + } + } else if(!strcmp(pblk.descr[i].name, "string")) { + tplStr = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(pblk.descr[i].name, "subtree")) { + uchar *st_str = es_getBufAddr(pvals[i].val.d.estr); + if(st_str[0] != '$' || st_str[1] != '!') { + char *cstr = es_str2cstr(pvals[i].val.d.estr, NULL); + errmsg.LogError(0, RS_RET_ERR, "invalid subtree " + "parameter, variable must start with '$!' but " + "var name is '%s'", cstr); + free(cstr); + free(name); /* overall assigned */ + ABORT_FINALIZE(RS_RET_ERR); + } else { + /* TODO: unify strings! */ + char *cstr = es_str2cstr(pvals[i].val.d.estr, NULL); + subtree = es_newStrFromBuf(cstr+1, es_strlen(pvals[i].val.d.estr)-1); + free(cstr); + } + } else if(!strcmp(pblk.descr[i].name, "plugin")) { + plugin = (uchar*) es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(pblk.descr[i].name, "option.stdsql")) { + o_stdsql = pvals[i].val.d.n; + } else if(!strcmp(pblk.descr[i].name, "option.sql")) { + o_sql = pvals[i].val.d.n; + } else if(!strcmp(pblk.descr[i].name, "option.json")) { + o_json = pvals[i].val.d.n; + } else { + dbgprintf("template: program error, non-handled " + "param '%s'\n", pblk.descr[i].name); + } + } + + /* do config sanity checks */ + if(tplStr == NULL) { + if(tplType == T_STRING) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' of type string needs " + "string parameter", name); + ABORT_FINALIZE(RS_RET_ERR); + } + } else { + if(tplType != T_STRING) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' is not a string " + "template but has a string specified - ignored", name); + } + } + + if(plugin == NULL) { + if(tplType == T_PLUGIN) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' of type plugin needs " + "plugin parameter", name); + ABORT_FINALIZE(RS_RET_ERR); + } + } else { + if(tplType != T_PLUGIN) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' is not a plugin " + "template but has a plugin specified - ignored", name); + } + } + + if(subtree == NULL) { + if(tplType == T_SUBTREE) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' of type subtree needs " + "subtree parameter", name); + ABORT_FINALIZE(RS_RET_ERR); + } + } else { + if(tplType != T_SUBTREE) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' is not a subtree " + "template but has a subtree specified - ignored", name); + } + } + + if(o->subobjs == NULL) { + if(tplType == T_LIST) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' of type list has " + "has no parameters specified", name); + ABORT_FINALIZE(RS_RET_ERR); + } + } else { + if(tplType != T_LIST) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' is not a list " + "template but has parameters specified - ignored", name); + } + } + + numopts = 0; + if(o_sql) ++numopts; + if(o_stdsql) ++numopts; + if(o_json) ++numopts; + if(numopts > 1) { + errmsg.LogError(0, RS_RET_ERR, "template '%s' has multiple incompatible " + "options of sql, stdsql or json specified", name); + ABORT_FINALIZE(RS_RET_ERR); + } + + /* config ok */ + if((pTpl = tplConstruct(loadConf)) == NULL) { + DBGPRINTF("template.c: tplConstruct failed!\n"); + ABORT_FINALIZE(RS_RET_ERR); + } + pTpl->pszName = name; + pTpl->iLenName = lenName; + + switch(tplType) { + case T_STRING: p = tplStr; + while(*p) { + switch(*p) { + case '%': /* parameter */ + ++p; /* eat '%' */ + do_Parameter(&p, pTpl); + break; + default: /* constant */ + do_Constant(&p, pTpl); + break; + } + } + break; + case T_PLUGIN: p = plugin; + /* TODO: the use of tplAddTplMod() can be improved! */ + localRet = tplAddTplMod(pTpl, &p); + if(localRet != RS_RET_OK) { + errmsg.LogError(0, localRet, "template '%s': error %d " + "defining template via plugin (strgen) module", + pTpl->pszName, localRet); + ABORT_FINALIZE(localRet); + } + break; + case T_LIST: createListTpl(pTpl, o); + break; + case T_SUBTREE: pTpl->subtree = subtree; + break; + } + + pTpl->optFormatEscape = NO_ESCAPE; + if(o_stdsql) + pTpl->optFormatEscape = STDSQL_ESCAPE; + else if(o_sql) + pTpl->optFormatEscape = SQL_ESCAPE; + else if(o_json) + pTpl->optFormatEscape = JSON_ESCAPE; + +finalize_it: + free(tplStr); + 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 + * its name to a zero-string. We do not free it, as this would + * require additional code and causes only a very small memory + * consumption. TODO: maybe in next iteration... + */ + *pTpl->pszName = '\0'; + } + } + + RETiRet; +} + /* Find a template object based on name. Search * currently is case-senstive (should we change?). @@ -1194,18 +1924,18 @@ void tplDeleteAll(rsconf_t *conf) } if(pTpeDel->data.field.propName != NULL) es_deleteStr(pTpeDel->data.field.propName); - if(pTpeDel->data.field.fieldName != NULL) - es_deleteStr(pTpeDel->data.field.fieldName); #endif break; } + free(pTpeDel->fieldName); /*dbgprintf("\n");*/ free(pTpeDel); } pTplDel = pTpl; pTpl = pTpl->pNext; - if(pTplDel->pszName != NULL) - free(pTplDel->pszName); + free(pTplDel->pszName); + if(pTplDel->subtree != NULL) + es_deleteStr(pTplDel->subtree); free(pTplDel); } ENDfunc @@ -1262,8 +1992,9 @@ void tplDeleteNew(rsconf_t *conf) } pTplDel = pTpl; pTpl = pTpl->pNext; - if(pTplDel->pszName != NULL) - free(pTplDel->pszName); + free(pTplDel->pszName); + if(pTplDel->subtree != NULL) + es_deleteStr(pTplDel->subtree); free(pTplDel); } ENDfunc @@ -1369,6 +2100,9 @@ void tplPrintList(rsconf_t *conf) if(pTpe->data.field.options.bJSONf) { dbgprintf("[format as JSON field] "); } + if(pTpe->data.field.options.bMandatory) { + dbgprintf("[mandatory field] "); + } if(pTpe->data.field.options.bDropLastLF) { dbgprintf("[drop last LF in msg] "); } |