diff options
Diffstat (limited to 'plugins')
| -rw-r--r-- | plugins/im3195/im3195.c | 3 | ||||
| -rw-r--r-- | plugins/imgssapi/imgssapi.c | 1 | ||||
| -rw-r--r-- | plugins/imklog/ksym_mod.c | 42 | ||||
| -rw-r--r-- | plugins/imklog/ksyms.h | 4 | ||||
| -rw-r--r-- | plugins/omdtn/Makefile.am | 8 | ||||
| -rw-r--r-- | plugins/omdtn/omdtn.c | 130 | ||||
| -rw-r--r-- | plugins/omgssapi/omgssapi.c | 2 | ||||
| -rw-r--r-- | plugins/omoracle/Makefile.am | 8 | ||||
| -rw-r--r-- | plugins/omoracle/omoracle.c | 569 | ||||
| -rw-r--r-- | plugins/omoracle/omoracle.h | 25 | ||||
| -rw-r--r-- | plugins/omoracle/omoracle.te | 13 | ||||
| -rw-r--r-- | plugins/omprog/Makefile.am | 8 | ||||
| -rw-r--r-- | plugins/omprog/omprog.c | 357 | ||||
| -rw-r--r-- | plugins/omstdout/omstdout.c | 2 |
14 files changed, 1008 insertions, 164 deletions
diff --git a/plugins/im3195/im3195.c b/plugins/im3195/im3195.c index 1c2502fe..106da2c8 100644 --- a/plugins/im3195/im3195.c +++ b/plugins/im3195/im3195.c @@ -47,6 +47,7 @@ #include "liblogging/syslogmessage.h" #include "module-template.h" #include "cfsysline.h" +#include "msg.h" #include "errmsg.h" MODULE_TYPE_INPUT @@ -83,7 +84,7 @@ void OnReceive(srAPIObj __attribute__((unused)) *pMyAPI, srSLMGObj* pSLMG) srSLMGGetRawMSG(pSLMG, &pszRawMsg); parseAndSubmitMessage(fromHost, fromHostIP, pszRawMsg, strlen((char*)pszRawMsg), - MSG_PARSE_HOSTNAME, NOFLAG, eFLOWCTL_FULL_DELAY, (uchar*)"im3195"); + PARSE_HOSTNAME, eFLOWCTL_FULL_DELAY, (uchar*)"im3195", NULL, 0); } diff --git a/plugins/imgssapi/imgssapi.c b/plugins/imgssapi/imgssapi.c index debe935e..b9d7dfe3 100644 --- a/plugins/imgssapi/imgssapi.c +++ b/plugins/imgssapi/imgssapi.c @@ -249,7 +249,6 @@ onErrClose(tcps_sess_t *pSess) static rsRetVal doOpenLstnSocks(tcpsrv_t *pSrv) { - int *pRet = NULL; gsssrv_t *pGSrv; DEFiRet; diff --git a/plugins/imklog/ksym_mod.c b/plugins/imklog/ksym_mod.c index 6e48e89e..be5fdee9 100644 --- a/plugins/imklog/ksym_mod.c +++ b/plugins/imklog/ksym_mod.c @@ -1,9 +1,8 @@ -/* - * ksym_mod.c - functions for building symbol lookup tables for klogd +/* ksym_mod.c - functions for building symbol lookup tables for klogd * Copyright (c) 1995, 1996 Dr. G.W. Wettstein <greg@wind.rmcc.com> * Copyright (c) 1996 Enjellic Systems Development * Copyright (c) 1998-2007 Martin Schulze <joey@infodrom.org> - * Copyright (C) 2007-2008 Rainer Gerhards <rgerhards@adiscon.com> + * Copyright (C) 2007-2009 Rainer Gerhards <rgerhards@adiscon.com> * * This file is part of rsyslog. * @@ -83,7 +82,6 @@ * Changed llseek() to lseek64() in order to skip a libc warning. */ - /* Includes. */ #include "config.h" #include <stdio.h> @@ -112,7 +110,7 @@ #define KSYMS "/proc/kallsyms" static int num_modules = 0; -struct Module *sym_array_modules = (struct Module *) 0; +struct Module *sym_array_modules = (struct Module *) NULL; static int have_modules = 0; @@ -266,7 +264,7 @@ static void FreeModules() } free(sym_array_modules); - sym_array_modules = (struct Module *) 0; + sym_array_modules = (struct Module *) NULL; num_modules = 0; return; } @@ -390,11 +388,11 @@ static int AddSymbol(line) mp->sym_array = (struct sym_table *) realloc(mp->sym_array, \ (mp->num_syms+1) * sizeof(struct sym_table)); - if ( mp->sym_array == (struct sym_table *) 0 ) + if ( mp->sym_array == (struct sym_table *) NULL ) return(0); mp->sym_array[mp->num_syms].name = strdup(p); - if ( mp->sym_array[mp->num_syms].name == (char *) 0 ) + if ( mp->sym_array[mp->num_syms].name == (char *) NULL ) return(0); /* Stuff interesting information into the module. */ @@ -424,15 +422,21 @@ static int AddSymbol(line) * If a match cannot be found a diagnostic string is printed. * If a match is found the pointer to the symbolic name most * closely matching the address is returned. + * + * TODO: We are using int values for the offset, but longs for the value + * values. This may create some trouble in the future (on 64 Bit OS?). + * Anyhow, I have not changed this, because we do not seem to have any + * issue and my understanding of this code is limited (and I don't see + * need to invest more time to dig much deeper). + * rgerhards, 2009-04-17 **************************************************************************/ extern char * LookupModuleSymbol(value, sym) unsigned long value; struct symbol *sym; { - auto int nmod, - nsym; - auto struct sym_table *last; - auto struct Module *mp; + int nmod, nsym; + struct sym_table *last; + struct Module *mp; static char ret[100]; sym->size = 0; @@ -443,8 +447,7 @@ extern char * LookupModuleSymbol(value, sym) for (nmod = 0; nmod < num_modules; ++nmod) { mp = &sym_array_modules[nmod]; - /* - * Run through the list of symbols in this module and + /* Run through the list of symbols in this module and * see if the address can be resolved. */ for(nsym = 1, last = &mp->sym_array[0]; @@ -453,13 +456,12 @@ extern char * LookupModuleSymbol(value, sym) if ( mp->sym_array[nsym].value > value ) { if ( sym->size == 0 || - (value - last->value) < sym->offset || - ( (sym->offset == (value - last->value)) && - (mp->sym_array[nsym].value-last->value) < sym->size ) ) + (int) (value - last->value) < sym->offset || + ( (sym->offset == (int) (value - last->value)) && + (int) (mp->sym_array[nsym].value-last->value) < sym->size ) ) { sym->offset = value - last->value; - sym->size = mp->sym_array[nsym].value - \ - last->value; + sym->size = mp->sym_array[nsym].value - last->value; ret[sizeof(ret)-1] = '\0'; if ( mp->name == NULL ) snprintf(ret, sizeof(ret)-1, @@ -478,5 +480,5 @@ extern char * LookupModuleSymbol(value, sym) return(ret); /* It has been a hopeless exercise. */ - return((char *) 0); + return(NULL); } diff --git a/plugins/imklog/ksyms.h b/plugins/imklog/ksyms.h index b5362ff3..a168947b 100644 --- a/plugins/imklog/ksyms.h +++ b/plugins/imklog/ksyms.h @@ -2,7 +2,7 @@ * Copyright (c) 1995, 1996 Dr. G.W. Wettstein <greg@wind.rmcc.com> * Copyright (c) 1996 Enjellic Systems Development * Copyright (c) 2004-7 Martin Schulze <joey@infodrom.org> - * Copyright (c) 2007-2008 Rainer Gerhards <rgerhards@adiscon.com> + * Copyright (c) 2007-2009 Rainer Gerhards <rgerhards@adiscon.com> * * This file is part of rsyslog. * @@ -26,7 +26,7 @@ struct symbol { - char *name; + uchar *name; int size; int offset; }; diff --git a/plugins/omdtn/Makefile.am b/plugins/omdtn/Makefile.am deleted file mode 100644 index afb57476..00000000 --- a/plugins/omdtn/Makefile.am +++ /dev/null @@ -1,8 +0,0 @@ -pkglib_LTLIBRARIES = omdtn.la - -omdtn_la_SOURCES = omdtn.c -omdtn_la_CPPFLAGS = $(RSRT_CFLAGS) $(PTHREADS_CFLAGS) -omdtn_la_LDFLAGS = -module -avoid-version -omdtn_la_LIBADD = - -EXTRA_DIST = diff --git a/plugins/omdtn/omdtn.c b/plugins/omdtn/omdtn.c deleted file mode 100644 index 761bde79..00000000 --- a/plugins/omdtn/omdtn.c +++ /dev/null @@ -1,130 +0,0 @@ -/* omdtn.c - * This is the plugin for rsyslog use in the interplanetary Internet, - * especially useful for rsyslog in space ships of all kinds. - * The core idea was introduced in early 2009 and considered - * doable. - * - * Note that this has not yet been tested for robustness but needs - * to prior to placing it on top of a rocket. - * - * NOTE: read comments in module-template.h for more specifics! - * - * File begun on 2009-04-01 by RGerhards - * - * Copyright 2009 Rainer Gerhards and Adiscon GmbH. - * - * This file is part of rsyslog. - * - * Rsyslog is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * Rsyslog is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Rsyslog. If not, see <http://www.gnu.org/licenses/>. - * - * A copy of the GPL can be found in the file "COPYING" in this distribution. - */ -#include "config.h" -#include "rsyslog.h" -#include <stdio.h> -#include <stdarg.h> -#include <stdlib.h> -#include <string.h> -#include <assert.h> -#include <signal.h> -#include <errno.h> -#include <unistd.h> -#include "dirty.h" -#include "syslogd-types.h" -#include "srUtils.h" -#include "template.h" -#include "module-template.h" -#include "errmsg.h" -#include "cfsysline.h" - -MODULE_TYPE_OUTPUT - -/* internal structures - */ -DEF_OMOD_STATIC_DATA - -typedef struct _instanceData { -} instanceData; - -BEGINcreateInstance -CODESTARTcreateInstance -ENDcreateInstance - - -BEGINisCompatibleWithFeature -CODESTARTisCompatibleWithFeature - if(eFeat == sFEATURERepeatedMsgReduction) - iRet = RS_RET_OK; -ENDisCompatibleWithFeature - - -BEGINfreeInstance -CODESTARTfreeInstance -ENDfreeInstance - - -BEGINdbgPrintInstInfo -CODESTARTdbgPrintInstInfo -ENDdbgPrintInstInfo - - -BEGINtryResume -CODESTARTtryResume -ENDtryResume - -BEGINdoAction -CODESTARTdoAction - write(1, (char*)ppString[0], strlen((char*)ppString[0])); -ENDdoAction - - -BEGINparseSelectorAct -CODESTARTparseSelectorAct -CODE_STD_STRING_REQUESTparseSelectorAct(1) - /* first check if this config line is actually for us */ - if(strncmp((char*) p, ":omstdout:", sizeof(":omstdout:") - 1)) { - ABORT_FINALIZE(RS_RET_CONFLINE_UNPROCESSED); - } - - /* ok, if we reach this point, we have something for us */ - p += sizeof(":omstdout:") - 1; /* eat indicator sequence (-1 because of '\0'!) */ - CHKiRet(createInstance(&pData)); - - /* check if a non-standard template is to be applied */ - if(*(p-1) == ';') - --p; - CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, 0, (uchar*) "RSYSLOG_FileFormat")); -CODE_STD_FINALIZERparseSelectorAct -ENDparseSelectorAct - - -BEGINmodExit -CODESTARTmodExit -ENDmodExit - - -BEGINqueryEtryPt -CODESTARTqueryEtryPt -CODEqueryEtryPt_STD_OMOD_QUERIES -ENDqueryEtryPt - - -BEGINmodInit() -CODESTARTmodInit - *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */ -CODEmodInit_QueryRegCFSLineHdlr -ENDmodInit - -/* vi:set ai: - */ diff --git a/plugins/omgssapi/omgssapi.c b/plugins/omgssapi/omgssapi.c index e0cc8af6..361f657f 100644 --- a/plugins/omgssapi/omgssapi.c +++ b/plugins/omgssapi/omgssapi.c @@ -444,7 +444,7 @@ CODESTARTdoAction /* error! */ dbgprintf("error forwarding via tcp, suspending\n"); pData->eDestState = eDestFORW_SUSP; - iRet = RS_RET_SUSPENDED; + ABORT_FINALIZE(RS_RET_SUSPENDED); } break; } diff --git a/plugins/omoracle/Makefile.am b/plugins/omoracle/Makefile.am new file mode 100644 index 00000000..11257fb2 --- /dev/null +++ b/plugins/omoracle/Makefile.am @@ -0,0 +1,8 @@ +pkglib_LTLIBRARIES = omoracle.la + +omoracle_la_SOURCES = omoracle.c omoracle.h +omoracle_la_CPPFLAGS = $(RSRT_CFLAGS) $(PTHREADS_CFLAGS) $(ORACLE_CFLAGS) +omoracle_la_LDFLAGS = -module -avoid-version +omoracle_la_LIBADD = $(ORACLE_LIBS) + +#EXTRA_DIST = diff --git a/plugins/omoracle/omoracle.c b/plugins/omoracle/omoracle.c new file mode 100644 index 00000000..71cc8e1f --- /dev/null +++ b/plugins/omoracle/omoracle.c @@ -0,0 +1,569 @@ +/** omoracle.c + + This is an output module feeding directly to an Oracle + database. It uses Oracle Call Interface, a propietary module + provided by Oracle. + + Selector lines to be used are of this form: + + :omoracle:;TemplateName + + The module gets its configuration via rsyslog $... directives, + namely: + + $OmoracleDBUser: user name to log in on the database. + + $OmoracleDBPassword: password to log in on the database. + + $OmoracleDB: connection string (an Oracle easy connect or a db + name as specified by tnsnames.ora) + + $OmoracleBatchSize: Number of elements to send to the DB on each + transaction. + + $OmoracleStatement: Statement to be prepared and executed in + batches. Please note that Oracle's prepared statements have their + placeholders as ':identifier', and this module uses the colon to + guess how many placeholders there will be. + + All these directives are mandatory. The dbstring can be an Oracle + easystring or a DB name, as present in the tnsnames.ora file. + + The form of the template is just a list of strings you want + inserted to the DB, for instance: + + $template TestStmt,"%hostname%%msg%" + + Will provide the arguments to a statement like + + $OmoracleStatement \ + insert into foo(hostname,message)values(:host,:message) + + Also note that identifiers to placeholders are arbitrarry. You + need to define the properties on the template in the correct order + you want them passed to the statement! + + Author: Luis Fernando Muñoz Mejías + <Luis.Fernando.Munoz.Mejias@cern.ch> + + This file is part of rsyslog. +*/ +#include "config.h" +#include "rsyslog.h" +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <oci.h> +#include <errno.h> +#include <stdarg.h> +#include <signal.h> +#include <time.h> +#include <assert.h> +#include <ctype.h> +#include "dirty.h" +#include "syslogd-types.h" +#include "srUtils.h" +#include "template.h" +#include "module-template.h" +#include "errmsg.h" +#include "cfsysline.h" +#include "omoracle.h" + +MODULE_TYPE_OUTPUT + +/** */ +DEF_OMOD_STATIC_DATA +DEFobjCurrIf(errmsg) + +/** */ +struct oracle_batch +{ + /* Batch size */ + int size; + /* Last element inserted in the buffer. The batch will be + * executed when n == size */ + int n; + /* Number of arguments the statement takes */ + int arguments; + /* Parameters to pass to the statement on this transaction */ + char*** parameters; + /* Binding parameters */ + OCIBind** bindings; +}; + +typedef struct _instanceData { + /* Environment handler, the base for any OCI work. */ + OCIEnv* environment; + /* Session handler, the actual DB connection object. */ + OCISession* session; + /* Error handler for OCI calls. */ + OCIError* error; + /* Prepared statement. */ + OCIStmt* statement; + /* Service handler. */ + OCISvcCtx* service; + /* Credentials object for the connection. */ + OCIAuthInfo* authinfo; + /* Connection string, kept here for possible retries. */ + char* connection; + /* Statement to be prepared. */ + char* txt_statement; + /* Batch */ + struct oracle_batch batch; +} instanceData; + +/** Database name, to be filled by the $OmoracleDB directive */ +static char* db_name; +/** Database user name, to be filled by the $OmoracleDBUser + * directive */ +static char* db_user; +/** Database password, to be filled by the $OmoracleDBPassword */ +static char* db_password; +/** Batch size. */ +static int batch_size; +/** Statement to prepare and execute */ +static char* db_statement; +/** Whether or not the core supports the newer array interface. The + * module is able to work in both modes, but the newer is the + * recommended one for performance reasons. */ +static int array_passing; + +/** Generic function for handling errors from OCI. + + It will be called only inside CHECKERR and CHECKENV macros. + + Arguments: handle The error or environment handle to check. + htype: OCI_HTYPE_* constant, usually OCI_HTYPE_ERROR or + OCI_HTYPE_ENV + status: status code to check, usually the return value of an OCI + function. + + Returns OCI_SUCCESS on success, OCI_ERROR otherwise. +*/ +static int oci_errors(void* handle, ub4 htype, sword status) +{ + sb4 errcode; + unsigned char buf[MAX_BUFSIZE]; + + switch (status) { + case OCI_SUCCESS: + return OCI_SUCCESS; + break; + case OCI_SUCCESS_WITH_INFO: + errmsg.LogError(0, NO_ERRCODE, "OCI SUCCESS - With info\n"); + break; + case OCI_NEED_DATA: + errmsg.LogError(0, NO_ERRCODE, "OCI NEEDS MORE DATA\n"); + break; + case OCI_ERROR: + dbgprintf ("OCI GENERAL ERROR\n"); + if (handle) { + OCIErrorGet(handle, 1, NULL, &errcode, buf, + sizeof buf, htype); + errmsg.LogError(0, NO_ERRCODE, "Error message: %s", buf); + } else + errmsg.LogError(0, NO_ERRCODE, "NULL handle\n" + "Unable to extract further " + "information"); + break; + case OCI_INVALID_HANDLE: + errmsg.LogError(0, NO_ERRCODE, "OCI INVALID HANDLE\n"); + break; + case OCI_STILL_EXECUTING: + errmsg.LogError(0, NO_ERRCODE, "Still executing...\n"); + break; + case OCI_CONTINUE: + errmsg.LogError(0, NO_ERRCODE, "OCI CONTINUE\n"); + break; + } + return OCI_ERROR; +} + +/** Callback for OCIBindDynamic. + * + * OCI doesn't insert an array of char* by itself (although it can + * handle arrays of int), so we must either run in batches of size one + * (no way) or bind all parameters with OCI_DATA_AT_EXEC instead of + * OCI_DEFAULT, and then give this function as an argument to + * OCIBindDynamic so that it is able to handle all strings in a single + * server trip. + * + * See the documentation of OCIBindDynamic + * (http://download.oracle.com/docs/cd/B28359_01/appdev.111/b28395/oci16rel003.htm#i444015) + * for more details. + */ +static int bind_dynamic (char** in, OCIBind __attribute__((unused))* bind, + int iter, int __attribute__((unused)) idx, + char** out, int* buflen, unsigned char* piece, + void** bd) +{ + *out = in[iter]; + *buflen = strlen(*out) + 1; + dbgprintf ("omoracle bound line %d, length %d: %s\n", iter, *buflen, + *out); + *piece = OCI_ONE_PIECE; + *bd = NULL; + return OCI_CONTINUE; +} + + +/** Returns the number of bind parameters for the statement given as + * an argument. It counts the number of appearances of ':', as in + * + * insert into foo(bar, baz) values(:bar, :baz) + * + * while taking in account that string literals must not be parsed. */ +static int count_bind_parameters(char* p) +{ + int n = 0; + int enable = 1; + + for (; *p; p++) + if (enable && *p == BIND_MARK ) + n++; + else if (*p == '\'') + enable ^= 1; + dbgprintf ("omoracle statement has %d parameters\n", n); + return n; +} + +/** Prepares the statement, binding all its positional parameters */ +static int prepare_statement(instanceData* pData) +{ + int i; + DEFiRet; + + CHECKERR(pData->error, + OCIStmtPrepare(pData->statement, + pData->error, + pData->txt_statement, + strlen(pData->txt_statement), + OCI_NTV_SYNTAX, OCI_DEFAULT)); + for (i = 0; i < pData->batch.arguments; i++) { + CHECKERR(pData->error, + OCIBindByPos(pData->statement, + pData->batch.bindings+i, + pData->error, i+1, NULL, + MAX_BUFSIZE * + sizeof ***pData->batch.parameters, + SQLT_STR, NULL, NULL, NULL, + 0, 0, OCI_DATA_AT_EXEC)); + CHECKERR(pData->error, + OCIBindDynamic(pData->batch.bindings[i], + pData->error, + pData->batch.parameters[i], + bind_dynamic, NULL, NULL)); + } + +finalize_it: + RETiRet; +} + + +/* Resource allocation */ +BEGINcreateInstance + int i, j; +CODESTARTcreateInstance + + ASSERT(pData != NULL); + + CHECKENV(pData->environment, + OCIEnvCreate((void*) &(pData->environment), OCI_DEFAULT, + NULL, NULL, NULL, NULL, 0, NULL)); + CHECKENV(pData->environment, + OCIHandleAlloc(pData->environment, (void*) &(pData->error), + OCI_HTYPE_ERROR, 0, NULL)); + CHECKENV(pData->environment, + OCIHandleAlloc(pData->environment, (void*) &(pData->authinfo), + OCI_HTYPE_AUTHINFO, 0, NULL)); + CHECKENV(pData->environment, + OCIHandleAlloc(pData->environment, (void*) &(pData->statement), + OCI_HTYPE_STMT, 0, NULL)); + pData->txt_statement = strdup(db_statement); + CHKmalloc(pData->txt_statement); + dbgprintf("omoracle will run stored statement: %s\n", + pData->txt_statement); + + pData->batch.n = 0; + pData->batch.size = batch_size; + pData->batch.arguments = count_bind_parameters(pData->txt_statement); + + /* I know, this can be done with a single malloc() call but this is + * easier to read. :) */ + pData->batch.parameters = calloc(pData->batch.arguments, + sizeof *pData->batch.parameters); + CHKmalloc(pData->batch.parameters); + for (i = 0; i < pData->batch.arguments; i++) { + pData->batch.parameters[i] = calloc(pData->batch.size, + sizeof **pData->batch.parameters); + CHKmalloc(pData->batch.parameters[i]); + for (j = 0; j < pData->batch.size; j++) { + /* Each entry has at most MAX_BUFSIZE bytes + * because OCI doesn't like null-terminated + * strings when operating with batches, and + * the maximum size of each entry must be + * provided when binding + * parameters. MAX_BUFSIZE is long enough for + * usual entries. */ + pData->batch.parameters[i][j] = calloc(MAX_BUFSIZE, + sizeof ***pData->batch.parameters); + CHKmalloc(pData->batch.parameters[i][j]); + } + } + + pData->batch.bindings = calloc(pData->batch.arguments, + sizeof *pData->batch.bindings); + CHKmalloc(pData->batch.bindings); + +finalize_it: +ENDcreateInstance + +/* Inserts all stored statements into the database, releasing any + * allocated memory. */ +static int insert_to_db(instanceData* pData) +{ + DEFiRet; + + CHECKERR(pData->error, + OCIStmtExecute(pData->service, + pData->statement, + pData->error, + pData->batch.n, 0, NULL, NULL, OCI_DEFAULT)); + + CHECKERR(pData->error, + OCITransCommit(pData->service, pData->error, 0)); + + pData->batch.n = 0; +finalize_it: + dbgprintf ("omoracle insertion to DB %s\n", iRet == RS_RET_OK ? + "succeeded" : "did not succeed"); + RETiRet; +} + +/** Close the session and free anything allocated by + createInstance. */ +BEGINfreeInstance + int i, j; +CODESTARTfreeInstance + +/* Before actually releasing our resources, let's try to commit + * anything pending so that we don't lose any messages. */ + insert_to_db(pData); + OCISessionRelease(pData->service, pData->error, NULL, 0, OCI_DEFAULT); + OCIHandleFree(pData->environment, OCI_HTYPE_ENV); + OCIHandleFree(pData->error, OCI_HTYPE_ERROR); + OCIHandleFree(pData->service, OCI_HTYPE_SVCCTX); + OCIHandleFree(pData->authinfo, OCI_HTYPE_AUTHINFO); + OCIHandleFree(pData->statement, OCI_HTYPE_STMT); + free(pData->connection); + free(pData->txt_statement); + for (i = 0; i < pData->batch.arguments; i++) { + for (j = 0; j < pData->batch.size; j++) + free(pData->batch.parameters[i][j]); + free(pData->batch.parameters[i]); + } + free(pData->batch.parameters); + free(pData->batch.bindings); + dbgprintf ("omoracle freed all its resources\n"); + +ENDfreeInstance + +BEGINtryResume +CODESTARTtryResume + /* Here usually only a reconnect is done. The rsyslog core will call + * this entry point from time to time when the action suspended itself. + * Note that the rsyslog core expects that if the plugin suspended itself + * the action was not carried out during that invocation. Thus, rsyslog + * will call the action with *the same* data item again AFTER a resume + * was successful. As such, tryResume should NOT write the failed data + * item. If it needs to for some reason, it must delete the item again, + * otherwise, it will get duplicated. + * This handling inside the rsyslog core is important to be able to + * preserve data over rsyslog restarts. With it, the core can ensure that + * it queues all not-yet-processed messages without the plugin needing + * to take care about that. + * So in essence, it is recommended that just a reconnet is tried, but + * the last action not restarted. Note that it is not a real problem + * (but causes a slight performance degradation) if tryResume returns + * successfully but the next call to doAction() immediately returns + * RS_RET_SUSPENDED. So it is OK to do the actual restart inside doAction(). + * ... of course I don't know why Oracle might need a full restart... + * rgerhards, 2009-03-26 + */ + dbgprintf("omoracle attempting to reconnect to DB server\n"); + OCISessionRelease(pData->service, pData->error, NULL, 0, OCI_DEFAULT); + OCIHandleFree(pData->service, OCI_HTYPE_SVCCTX); + CHECKERR(pData->error, OCISessionGet(pData->environment, pData->error, + &pData->service, pData->authinfo, + pData->connection, + strlen(pData->connection), NULL, 0, + NULL, NULL, NULL, OCI_DEFAULT)); + CHKiRet(prepare_statement(pData)); + +finalize_it: +ENDtryResume + +static rsRetVal startSession(instanceData* pData, char* connection, char* user, + char * password) +{ + DEFiRet; + CHECKERR(pData->error, + OCIAttrSet(pData->authinfo, OCI_HTYPE_AUTHINFO, user, + strlen(user), OCI_ATTR_USERNAME, pData->error)); + CHECKERR(pData->error, + OCIAttrSet(pData->authinfo, OCI_HTYPE_AUTHINFO, password, + strlen(password), OCI_ATTR_PASSWORD, pData->error)); + CHECKERR(pData->error, + OCISessionGet(pData->environment, pData->error, + &pData->service, pData->authinfo, connection, + strlen(connection), NULL, 0, NULL, NULL, NULL, + OCI_DEFAULT)); +finalize_it: + if (iRet != RS_RET_OK) + errmsg.LogError(0, NO_ERRCODE, + "Unable to start Oracle session\n"); + RETiRet; +} + + +BEGINisCompatibleWithFeature +CODESTARTisCompatibleWithFeature + /* Right now, this module is compatible with nothing. */ + dbgprintf ("***** OMORACLE ***** At isCompatibleWithFeature\n"); + iRet = RS_RET_INCOMPATIBLE; +ENDisCompatibleWithFeature + +BEGINparseSelectorAct +CODESTARTparseSelectorAct +CODE_STD_STRING_REQUESTparseSelectorAct(1); + + if (strncmp((char*) p, ":omoracle:", sizeof ":omoracle:" - 1)) { + ABORT_FINALIZE(RS_RET_CONFLINE_UNPROCESSED); + } + + p += sizeof ":omoracle:" - 1; + + if (*p == '\0' || *p == ',') { + errmsg.LogError(0, NO_ERRCODE, + "Wrong char processing module arguments: %c\n", + *p); + ABORT_FINALIZE(RS_RET_INVALID_PARAMS); + } + + CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, + OMSR_TPL_AS_ARRAY, " StdFmt")); + CHKiRet(createInstance(&pData)); + CHKmalloc(pData->connection = strdup(db_name)); + CHKiRet(startSession(pData, db_name, db_user, db_password)); + CHKiRet(prepare_statement(pData)); + + dbgprintf ("omoracle module got all its resources allocated " + "and connected to the DB\n"); + +CODE_STD_FINALIZERparseSelectorAct +ENDparseSelectorAct + +BEGINdoAction + int i; + char **params = (char**) ppString[0]; +CODESTARTdoAction + + if (pData->batch.n == pData->batch.size) { + dbgprintf("omoracle batch size limit hit, sending into DB\n"); + CHKiRet(insert_to_db(pData)); + } + + for (i = 0; i < pData->batch.arguments && params[i]; i++) { + dbgprintf("batch[%d][%d]=%s\n", i, pData->batch.n, params[i]); + strncpy(pData->batch.parameters[i][pData->batch.n], params[i], + MAX_BUFSIZE); + CHKmalloc(pData->batch.parameters[i][pData->batch.n]); + } + pData->batch.n++; + +finalize_it: +ENDdoAction + +BEGINmodExit +CODESTARTmodExit +ENDmodExit + +BEGINdbgPrintInstInfo +CODESTARTdbgPrintInstInfo +ENDdbgPrintInstInfo + + +BEGINqueryEtryPt +CODESTARTqueryEtryPt +CODEqueryEtryPt_STD_OMOD_QUERIES +ENDqueryEtryPt + +static rsRetVal +resetConfigVariables(uchar __attribute__((unused)) *pp, + void __attribute__((unused)) *pVal) +{ + int n; + DEFiRet; + if(db_user != NULL) + free(db_user); + if(db_name != NULL) + free(db_name); + if (db_password != NULL) { + n = strlen(db_password); + memset(db_password, 0, n); + free(db_password); + } + if (db_statement != NULL) + free(db_statement); + db_name = db_user = db_password = db_statement = NULL; + RETiRet; +} + +/** As I don't find any handler that reads an entire line, I write my + * own. */ +static int get_db_statement(char** line, char** stmt) +{ + DEFiRet; + + while (isspace(**line)) + (*line)++; + dbgprintf ("Config line: %s\n", *line); + *stmt = strdup(*line); + CHKmalloc(*stmt); + dbgprintf ("Statement: %s\n", *stmt); +finalize_it: + RETiRet; +} + +BEGINmodInit() + rsRetVal (*supported_options)(unsigned long *pOpts); + unsigned long opts; +CODESTARTmodInit + *ipIFVersProvided = CURR_MOD_IF_VERSION; +CODEmodInit_QueryRegCFSLineHdlr + CHKiRet(objUse(errmsg, CORE_COMPONENT)); + CHKiRet(omsdRegCFSLineHdlr((uchar*) "resetconfigvariables", 1, + eCmdHdlrCustomHandler, resetConfigVariables, + NULL, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar*) "omoracledbuser", 0, + eCmdHdlrGetWord, NULL, &db_user, + STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar*) "omoracledbpassword", 0, + eCmdHdlrGetWord, NULL, &db_password, + STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar*) "omoracledb", 0, + eCmdHdlrGetWord, NULL, &db_name, + STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar*) "omoraclebatchsize", 0, + eCmdHdlrInt, NULL, &batch_size, + STD_LOADABLE_MODULE_ID)); + CHKiRet(pHostQueryEtryPt((uchar*)"OMSRgetSupportedTplOpts", &supported_options)); + CHKiRet((*supported_options)(&opts)); + if (!(array_passing = opts & OMSR_TPL_AS_ARRAY)) + ABORT_FINALIZE(RS_RET_RSCORE_TOO_OLD); + + CHKiRet(omsdRegCFSLineHdlr((uchar*) "omoraclestatement", 0, + eCmdHdlrCustomHandler, get_db_statement, + &db_statement, STD_LOADABLE_MODULE_ID)); + +ENDmodInit diff --git a/plugins/omoracle/omoracle.h b/plugins/omoracle/omoracle.h new file mode 100644 index 00000000..92bcacab --- /dev/null +++ b/plugins/omoracle/omoracle.h @@ -0,0 +1,25 @@ +/** Definitions for the Oracle output module. + + This module needs OCI to be installed (on Red Hat-like systems + this is usually the oracle-instantclient-devel RPM). + + Author: Luis Fernando Muñoz Mejías <Luis.Fernando.Munoz.Mejias@cern.ch> +*/ +#ifndef __OMORACLEH__ +#define __OMORACLEH__ + +/** Macros to make error handling easier. */ + +/** Checks for errors on the OCI handling. */ +#define CHECKERR(handle,status) CHKiRet(oci_errors((handle), \ + OCI_HTYPE_ERROR, (status))) + +/** Checks for errors when handling the environment of OCI. */ +#define CHECKENV(handle,status) CHKiRet(oci_errors((handle), \ + OCI_HTYPE_ENV, (status))) + +enum { MAX_BUFSIZE = 2048 }; + +#define BIND_MARK ':' + +#endif diff --git a/plugins/omoracle/omoracle.te b/plugins/omoracle/omoracle.te new file mode 100644 index 00000000..81eb6cf1 --- /dev/null +++ b/plugins/omoracle/omoracle.te @@ -0,0 +1,13 @@ + +module omoracle 1.0; + +require { + type syslogd_t; + type port_t; + class process { execstack execmem }; + class tcp_socket name_connect; +} + +#============= syslogd_t ============== +allow syslogd_t port_t:tcp_socket name_connect; +allow syslogd_t self:process { execstack execmem }; diff --git a/plugins/omprog/Makefile.am b/plugins/omprog/Makefile.am new file mode 100644 index 00000000..63fe09b8 --- /dev/null +++ b/plugins/omprog/Makefile.am @@ -0,0 +1,8 @@ +pkglib_LTLIBRARIES = omprog.la + +omprog_la_SOURCES = omprog.c +omprog_la_CPPFLAGS = $(RSRT_CFLAGS) $(PTHREADS_CFLAGS) +omprog_la_LDFLAGS = -module -avoid-version +omprog_la_LIBADD = + +EXTRA_DIST = diff --git a/plugins/omprog/omprog.c b/plugins/omprog/omprog.c new file mode 100644 index 00000000..2a078a6d --- /dev/null +++ b/plugins/omprog/omprog.c @@ -0,0 +1,357 @@ +/* omprog.c + * This output plugin enables rsyslog to execute a program and + * feed it the message stream as standard input. + * + * NOTE: read comments in module-template.h for more specifics! + * + * File begun on 2009-04-01 by RGerhards + * + * Copyright 2009 Rainer Gerhards and Adiscon GmbH. + * + * This file is part of rsyslog. + * + * Rsyslog is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * Rsyslog is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Rsyslog. If not, see <http://www.gnu.org/licenses/>. + * + * A copy of the GPL can be found in the file "COPYING" in this distribution. + */ +#include "config.h" +#include "rsyslog.h" +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <signal.h> +#include <errno.h> +#include <unistd.h> +#include <wait.h> +#include "dirty.h" +#include "syslogd-types.h" +#include "srUtils.h" +#include "template.h" +#include "module-template.h" +#include "errmsg.h" +#include "cfsysline.h" + +MODULE_TYPE_OUTPUT + +/* internal structures + */ +DEF_OMOD_STATIC_DATA +DEFobjCurrIf(errmsg) + +typedef struct _instanceData { + uchar *szBinary; /* name of binary to call */ + pid_t pid; /* pid of currently running process */ + int fdPipe; /* file descriptor to write to */ + int bIsRunning; /* is binary currently running? 0-no, 1-yes */ +} instanceData; + +/* config settings */ +static uchar *szBinary = NULL; /* name of binary to call */ + +BEGINcreateInstance +CODESTARTcreateInstance +ENDcreateInstance + + +BEGINisCompatibleWithFeature +CODESTARTisCompatibleWithFeature + if(eFeat == sFEATURERepeatedMsgReduction) + iRet = RS_RET_OK; +ENDisCompatibleWithFeature + + +BEGINfreeInstance +CODESTARTfreeInstance + if(pData->szBinary != NULL) + free(pData->szBinary); +ENDfreeInstance + + +BEGINdbgPrintInstInfo +CODESTARTdbgPrintInstInfo +ENDdbgPrintInstInfo + + +BEGINtryResume +CODESTARTtryResume +ENDtryResume + + +/* execute the child process (must be called in child context + * after fork). + */ + +static void execBinary(instanceData *pData, int fdStdin) +{ + int i; + struct sigaction sigAct; + char *newargv[] = { NULL }; + char *newenviron[] = { NULL }; + + assert(pData != NULL); + + fclose(stdin); + dup(fdStdin); + //fclose(stdout); + + /* we close all file handles as we fork soon + * Is there a better way to do this? - mail me! rgerhards@adiscon.com + */ +# ifndef VALGRIND /* we can not use this with valgrind - too many errors... */ + for(i = 3 ; i <= 65535 ; ++i) + close(i); +# endif + + /* reset signal handlers to default */ + memset(&sigAct, 0, sizeof(sigAct)); + sigfillset(&sigAct.sa_mask); + sigAct.sa_handler = SIG_DFL; + for(i = 1 ; i < NSIG ; ++i) + sigaction(i, &sigAct, NULL); + + alarm(0); + + /* finally exec child */ + execve((char*)pData->szBinary, newargv, newenviron); + /* switch to? + execlp((char*)program, (char*) program, (char*)arg, NULL); + */ + + /* we should never reach this point, but if we do, we terminate */ + exit(1); +} + + +/* creates a pipe and starts program, uses pipe as stdin for program. + * rgerhards, 2009-04-01 + */ +static rsRetVal +openPipe(instanceData *pData) +{ + int pipefd[2]; + pid_t cpid; + DEFiRet; + + assert(pData != NULL); + + if(pipe(pipefd) == -1) { + ABORT_FINALIZE(RS_RET_ERR_CREAT_PIPE); + } + + DBGPRINTF("executing program '%s'\n", pData->szBinary); + + /* NO OUTPUT AFTER FORK! */ + + cpid = fork(); + if(cpid == -1) { + ABORT_FINALIZE(RS_RET_ERR_FORK); + } + + if(cpid == 0) { + /* we are now the child, just set the right selectors and + * exec the binary. If that fails, there is not much we can do. + */ + close(pipefd[1]); + execBinary(pData, pipefd[0]); + /*NO CODE HERE - WILL NEVER BE REACHED!*/ + } + + DBGPRINTF("child has pid %d\n", cpid); + pData->fdPipe = pipefd[1]; + pData->pid = cpid; + close(pipefd[0]); + pData->bIsRunning = 1; +finalize_it: + RETiRet; +} + + +/* clean up after a terminated child + */ +static inline rsRetVal +cleanup(instanceData *pData) +{ + int status; + int ret; + char errStr[1024]; + DEFiRet; + + assert(pData != NULL); + assert(pData->bIsRunning == 1); +RUNLOG_VAR("%d", pData->pid); + ret = waitpid(pData->pid, &status, 0); + if(ret != pData->pid) { + /* if waitpid() fails, we can not do much - try to ignore it... */ + DBGPRINTF("waitpid() returned state %d[%s], future malfunction may happen\n", ret, + rs_strerror_r(errno, errStr, sizeof(errStr))); + } else { + /* check if we should print out some diagnostic information */ + DBGPRINTF("waitpid status return for program '%s': %2.2x\n", + pData->szBinary, status); + if(WIFEXITED(status)) { + errmsg.LogError(0, NO_ERRCODE, "program '%s' exited normally, state %d", + pData->szBinary, WEXITSTATUS(status)); + } else if(WIFSIGNALED(status)) { + errmsg.LogError(0, NO_ERRCODE, "program '%s' terminated by signal %d.", + pData->szBinary, WTERMSIG(status)); + } + } + + pData->bIsRunning = 0; + RETiRet; +} + + +/* try to restart the binary when it has stopped. + */ +static inline rsRetVal +tryRestart(instanceData *pData) +{ + DEFiRet; + assert(pData != NULL); + assert(pData->bIsRunning == 0); + + iRet = openPipe(pData); + RETiRet; +} + + +/* write to pipe + * note that we do not try to run block-free. If the users fears something + * may block (and this not be acceptable), the action should be run on its + * own action queue. + */ +static rsRetVal +writePipe(instanceData *pData, uchar *szMsg) +{ + int lenWritten; + int lenWrite; + int writeOffset; + char errStr[1024]; + DEFiRet; + + assert(pData != NULL); + + lenWrite = strlen((char*)szMsg); + writeOffset = 0; + + do + { + lenWritten = write(pData->fdPipe, ((char*)szMsg)+writeOffset, lenWrite); + if(lenWritten == -1) { + switch(errno) { + case EPIPE: + DBGPRINTF("Program '%s' terminated, trying to restart\n", + pData->szBinary); + CHKiRet(cleanup(pData)); + CHKiRet(tryRestart(pData)); + break; + default: + DBGPRINTF("error %d writing to pipe: %s\n", errno, + rs_strerror_r(errno, errStr, sizeof(errStr))); + ABORT_FINALIZE(RS_RET_ERR_WRITE_PIPE); + break; + } + } else { + writeOffset += lenWritten; + } + } while(lenWritten != lenWrite); + + +finalize_it: + RETiRet; +} + + +BEGINdoAction +CODESTARTdoAction + if(pData->bIsRunning == 0) { + openPipe(pData); + } + + iRet = writePipe(pData, ppString[0]); + + if(iRet != RS_RET_OK) + iRet = RS_RET_SUSPENDED; +ENDdoAction + + +BEGINparseSelectorAct +CODESTARTparseSelectorAct +CODE_STD_STRING_REQUESTparseSelectorAct(1) + /* first check if this config line is actually for us */ + if(strncmp((char*) p, ":omprog:", sizeof(":omprog:") - 1)) { + ABORT_FINALIZE(RS_RET_CONFLINE_UNPROCESSED); + } + + /* ok, if we reach this point, we have something for us */ + p += sizeof(":omprog:") - 1; /* eat indicator sequence (-1 because of '\0'!) */ + CHKiRet(createInstance(&pData)); + + CHKmalloc(pData->szBinary = (uchar*) strdup((char*)szBinary)); + /* check if a non-standard template is to be applied */ + if(*(p-1) == ';') + --p; + CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, 0, (uchar*) "RSYSLOG_FileFormat")); +CODE_STD_FINALIZERparseSelectorAct +ENDparseSelectorAct + + +BEGINmodExit +CODESTARTmodExit + if(szBinary != NULL) { + free(szBinary); + szBinary = NULL; + } + CHKiRet(objRelease(errmsg, CORE_COMPONENT)); +finalize_it: +ENDmodExit + + +BEGINqueryEtryPt +CODESTARTqueryEtryPt +CODEqueryEtryPt_STD_OMOD_QUERIES +ENDqueryEtryPt + + + +/* Reset config variables for this module to default values. + */ +static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal) +{ + DEFiRet; + + if(szBinary != NULL) { + free(szBinary); + szBinary = NULL; + } + + RETiRet; +} + + +BEGINmodInit() +CODESTARTmodInit + *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */ +CODEmodInit_QueryRegCFSLineHdlr + CHKiRet(objUse(errmsg, CORE_COMPONENT)); + CHKiRet(omsdRegCFSLineHdlr((uchar *)"actionomprogbinary", 0, eCmdHdlrGetWord, NULL, &szBinary, STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, NULL, STD_LOADABLE_MODULE_ID)); +CODEmodInit_QueryRegCFSLineHdlr +ENDmodInit + +/* vi:set ai: + */ diff --git a/plugins/omstdout/omstdout.c b/plugins/omstdout/omstdout.c index 7c63b5c4..181895a4 100644 --- a/plugins/omstdout/omstdout.c +++ b/plugins/omstdout/omstdout.c @@ -110,7 +110,7 @@ CODESTARTdoAction if(iParam > 0) szBuf[iBuf++] = ','; /* all but first need a delimiter */ iParamVal = 0; - while(szParams[iParam][iParamVal] != '\0' && iBuf < sizeof(szBuf)) { + while(szParams[iParam][iParamVal] != '\0' && iBuf < (int) sizeof(szBuf)) { szBuf[iBuf++] = szParams[iParam][iParamVal++]; } ++iParam; |