diff options
Diffstat (limited to '')
| -rw-r--r-- | plugins/ommysql/Makefile.am | 16 | ||||
| -rw-r--r-- | plugins/ommysql/Makefile.in | 806 | ||||
| -rw-r--r-- | plugins/ommysql/createDB.sql | 37 | ||||
| -rw-r--r-- | plugins/ommysql/ommysql.c | 599 |
4 files changed, 1458 insertions, 0 deletions
diff --git a/plugins/ommysql/Makefile.am b/plugins/ommysql/Makefile.am new file mode 100644 index 0000000..7bec7e4 --- /dev/null +++ b/plugins/ommysql/Makefile.am @@ -0,0 +1,16 @@ +pkglib_LTLIBRARIES = ommysql.la + +# under RHEL 7, we have an issue when gnutls is linked. For some reason +# (autoconf magic?) we link ommysql against gnutls. I have not found the +# root cause, but setting LIBS= below makes the problem go away. A better +# solution would be appreciated, but for the time being this seems to +# solve the issue. +# more info: https://github.com/rsyslog/rsyslog/issues/408 +# rgerhards, 2015-07-08 +LIBS= +ommysql_la_SOURCES = ommysql.c +ommysql_la_CPPFLAGS = $(RSRT_CFLAGS) $(MYSQL_CFLAGS) $(PTHREADS_CFLAGS) +ommysql_la_LDFLAGS = -module -avoid-version +ommysql_la_LIBADD = $(MYSQL_LIBS) + +EXTRA_DIST = createDB.sql diff --git a/plugins/ommysql/Makefile.in b/plugins/ommysql/Makefile.in new file mode 100644 index 0000000..74496cc --- /dev/null +++ b/plugins/ommysql/Makefile.in @@ -0,0 +1,806 @@ +# Makefile.in generated by automake 1.16.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2018 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; \ + else \ + case $$MAKEFLAGS in \ + *\\[\ \ ]*) \ + bs=\\; \ + sane_makeflags=`printf '%s\n' "$$MAKEFLAGS" \ + | sed "s/$$bs$$bs[$$bs $$bs ]*//g"`;; \ + esac; \ + fi; \ + skip_next=no; \ + strip_trailopt () \ + { \ + flg=`printf '%s\n' "$$flg" | sed "s/$$1.*$$//"`; \ + }; \ + for flg in $$sane_makeflags; do \ + test $$skip_next = yes && { skip_next=no; continue; }; \ + case $$flg in \ + *=*|--*) continue;; \ + -*I) strip_trailopt 'I'; skip_next=yes;; \ + -*I?*) strip_trailopt 'I';; \ + -*O) strip_trailopt 'O'; skip_next=yes;; \ + -*O?*) strip_trailopt 'O';; \ + -*l) strip_trailopt 'l'; skip_next=yes;; \ + -*l?*) strip_trailopt 'l';; \ + -[dEDm]) skip_next=yes;; \ + -[JT]) skip_next=yes;; \ + esac; \ + case $$flg in \ + *$$target_option*) has_opt=yes; break;; \ + esac; \ + done; \ + test $$has_opt = yes +am__make_dryrun = (target_option=n; $(am__make_running_with_option)) +am__make_keepgoing = (target_option=k; $(am__make_running_with_option)) +pkgdatadir = $(datadir)/@PACKAGE@ +pkgincludedir = $(includedir)/@PACKAGE@ +pkglibdir = $(libdir)/@PACKAGE@ +pkglibexecdir = $(libexecdir)/@PACKAGE@ +am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd +install_sh_DATA = $(install_sh) -c -m 644 +install_sh_PROGRAM = $(install_sh) -c +install_sh_SCRIPT = $(install_sh) -c +INSTALL_HEADER = $(INSTALL_DATA) +transform = $(program_transform_name) +NORMAL_INSTALL = : +PRE_INSTALL = : +POST_INSTALL = : +NORMAL_UNINSTALL = : +PRE_UNINSTALL = : +POST_UNINSTALL = : +build_triplet = @build@ +host_triplet = @host@ +subdir = plugins/ommysql +ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 +am__aclocal_m4_deps = $(top_srcdir)/m4/ac_check_define.m4 \ + $(top_srcdir)/m4/atomic_operations.m4 \ + $(top_srcdir)/m4/atomic_operations_64bit.m4 \ + $(top_srcdir)/m4/libtool.m4 $(top_srcdir)/m4/ltoptions.m4 \ + $(top_srcdir)/m4/ltsugar.m4 $(top_srcdir)/m4/ltversion.m4 \ + $(top_srcdir)/m4/lt~obsolete.m4 $(top_srcdir)/configure.ac +am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \ + $(ACLOCAL_M4) +DIST_COMMON = $(srcdir)/Makefile.am $(am__DIST_COMMON) +mkinstalldirs = $(install_sh) -d +CONFIG_HEADER = $(top_builddir)/config.h +CONFIG_CLEAN_FILES = +CONFIG_CLEAN_VPATH_FILES = +am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; +am__vpath_adj = case $$p in \ + $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \ + *) f=$$p;; \ + esac; +am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`; +am__install_max = 40 +am__nobase_strip_setup = \ + srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'` +am__nobase_strip = \ + for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||" +am__nobase_list = $(am__nobase_strip_setup); \ + for p in $$list; do echo "$$p $$p"; done | \ + sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \ + $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \ + if (++n[$$2] == $(am__install_max)) \ + { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \ + END { for (dir in files) print dir, files[dir] }' +am__base_list = \ + sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \ + sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g' +am__uninstall_files_from_dir = { \ + test -z "$$files" \ + || { test ! 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For some reason +# (autoconf magic?) we link ommysql against gnutls. I have not found the +# root cause, but setting LIBS= below makes the problem go away. A better +# solution would be appreciated, but for the time being this seems to +# solve the issue. +# more info: https://github.com/rsyslog/rsyslog/issues/408 +# rgerhards, 2015-07-08 +LIBS = +LIBSYSTEMD_CFLAGS = @LIBSYSTEMD_CFLAGS@ +LIBSYSTEMD_JOURNAL_CFLAGS = @LIBSYSTEMD_JOURNAL_CFLAGS@ +LIBSYSTEMD_JOURNAL_LIBS = @LIBSYSTEMD_JOURNAL_LIBS@ +LIBSYSTEMD_LIBS = @LIBSYSTEMD_LIBS@ +LIBTOOL = @LIBTOOL@ +LIBUUID_CFLAGS = @LIBUUID_CFLAGS@ +LIBUUID_LIBS = @LIBUUID_LIBS@ +LIPO = @LIPO@ +LN_S = @LN_S@ +LTLIBOBJS = @LTLIBOBJS@ +LT_SYS_LIBRARY_PATH = @LT_SYS_LIBRARY_PATH@ +MAKEINFO = @MAKEINFO@ +MANIFEST_TOOL = @MANIFEST_TOOL@ +MKDIR_P = @MKDIR_P@ +MYSQL_CFLAGS = @MYSQL_CFLAGS@ +MYSQL_CONFIG = @MYSQL_CONFIG@ +MYSQL_LIBS = @MYSQL_LIBS@ +NM = @NM@ +NMEDIT = @NMEDIT@ +OBJDUMP = @OBJDUMP@ +OBJEXT = @OBJEXT@ +OPENSSL_CFLAGS = @OPENSSL_CFLAGS@ +OPENSSL_LIBS = @OPENSSL_LIBS@ +OTOOL = @OTOOL@ +OTOOL64 = @OTOOL64@ +PACKAGE = @PACKAGE@ +PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@ +PACKAGE_NAME = @PACKAGE_NAME@ +PACKAGE_STRING = @PACKAGE_STRING@ +PACKAGE_TARNAME = @PACKAGE_TARNAME@ +PACKAGE_URL = @PACKAGE_URL@ +PACKAGE_VERSION = @PACKAGE_VERSION@ +PATH_SEPARATOR = @PATH_SEPARATOR@ +PGSQL_CFLAGS = @PGSQL_CFLAGS@ +PGSQL_LIBS = @PGSQL_LIBS@ +PG_CONFIG = @PG_CONFIG@ +PID_FILE_PATH = @PID_FILE_PATH@ +PKG_CONFIG = @PKG_CONFIG@ +PKG_CONFIG_LIBDIR = @PKG_CONFIG_LIBDIR@ +PKG_CONFIG_PATH = @PKG_CONFIG_PATH@ +PROTON_CFLAGS = @PROTON_CFLAGS@ +PROTON_LIBS = @PROTON_LIBS@ +PROTON_PROACTOR_CFLAGS = @PROTON_PROACTOR_CFLAGS@ +PROTON_PROACTOR_LIBS = @PROTON_PROACTOR_LIBS@ +PTHREADS_CFLAGS = @PTHREADS_CFLAGS@ +PTHREADS_LIBS = @PTHREADS_LIBS@ +PYTHON = @PYTHON@ +PYTHON_EXEC_PREFIX = @PYTHON_EXEC_PREFIX@ +PYTHON_PLATFORM = @PYTHON_PLATFORM@ +PYTHON_PREFIX = @PYTHON_PREFIX@ +PYTHON_VERSION = @PYTHON_VERSION@ +RABBITMQ_CFLAGS = @RABBITMQ_CFLAGS@ +RABBITMQ_LIBS = @RABBITMQ_LIBS@ +RANLIB = @RANLIB@ +READLINK = @READLINK@ +REDIS = @REDIS@ +RELP_CFLAGS = @RELP_CFLAGS@ +RELP_LIBS = @RELP_LIBS@ +RSRT_CFLAGS = @RSRT_CFLAGS@ +RSRT_CFLAGS1 = @RSRT_CFLAGS1@ +RSRT_LIBS = @RSRT_LIBS@ +RSRT_LIBS1 = @RSRT_LIBS1@ +RST2MAN = @RST2MAN@ +RT_LIBS = @RT_LIBS@ +SED = @SED@ +SET_MAKE = @SET_MAKE@ +SHELL = @SHELL@ +SNMP_CFLAGS = @SNMP_CFLAGS@ +SNMP_LIBS = @SNMP_LIBS@ +SOL_LIBS = @SOL_LIBS@ +STRIP = @STRIP@ +TCL_BIN_DIR = @TCL_BIN_DIR@ +TCL_INCLUDE_SPEC = @TCL_INCLUDE_SPEC@ +TCL_LIB_FILE = @TCL_LIB_FILE@ +TCL_LIB_FLAG = @TCL_LIB_FLAG@ +TCL_LIB_SPEC = @TCL_LIB_SPEC@ +TCL_PATCH_LEVEL = @TCL_PATCH_LEVEL@ +TCL_SRC_DIR = @TCL_SRC_DIR@ +TCL_STUB_LIB_FILE = @TCL_STUB_LIB_FILE@ +TCL_STUB_LIB_FLAG = @TCL_STUB_LIB_FLAG@ +TCL_STUB_LIB_SPEC = @TCL_STUB_LIB_SPEC@ +TCL_VERSION = @TCL_VERSION@ +UDPSPOOF_CFLAGS = @UDPSPOOF_CFLAGS@ +UDPSPOOF_LIBS = @UDPSPOOF_LIBS@ +VALGRIND = @VALGRIND@ +VERSION = @VERSION@ +WARN_CFLAGS = @WARN_CFLAGS@ +WARN_LDFLAGS = @WARN_LDFLAGS@ +WARN_SCANNERFLAGS = @WARN_SCANNERFLAGS@ +WGET = @WGET@ +YACC = @YACC@ +YACC_FOUND = @YACC_FOUND@ +YFLAGS = @YFLAGS@ +ZLIB_CFLAGS = @ZLIB_CFLAGS@ +ZLIB_LIBS = @ZLIB_LIBS@ +ZSTD_CFLAGS = @ZSTD_CFLAGS@ +ZSTD_LIBS = @ZSTD_LIBS@ +abs_builddir = @abs_builddir@ +abs_srcdir = @abs_srcdir@ +abs_top_builddir = @abs_top_builddir@ +abs_top_srcdir = @abs_top_srcdir@ +ac_ct_AR = @ac_ct_AR@ +ac_ct_CC = @ac_ct_CC@ +ac_ct_DUMPBIN = @ac_ct_DUMPBIN@ +am__include = @am__include@ +am__leading_dot = @am__leading_dot@ +am__quote = @am__quote@ +am__tar = @am__tar@ +am__untar = @am__untar@ +bindir = @bindir@ +build = @build@ +build_alias = @build_alias@ +build_cpu = @build_cpu@ +build_os = @build_os@ +build_vendor = @build_vendor@ +builddir = @builddir@ +datadir = @datadir@ +datarootdir = @datarootdir@ +docdir = @docdir@ +dvidir = @dvidir@ +exec_prefix = @exec_prefix@ +host = @host@ +host_alias = @host_alias@ +host_cpu = @host_cpu@ +host_os = @host_os@ +host_vendor = @host_vendor@ +htmldir = @htmldir@ +includedir = @includedir@ +infodir = @infodir@ +install_sh = @install_sh@ +libdir = @libdir@ +libexecdir = @libexecdir@ +localedir = @localedir@ +localstatedir = @localstatedir@ +mandir = @mandir@ +mkdir_p = @mkdir_p@ +moddirs = @moddirs@ +oldincludedir = @oldincludedir@ +pdfdir = @pdfdir@ +pkgpyexecdir = @pkgpyexecdir@ +pkgpythondir = @pkgpythondir@ +prefix = @prefix@ +program_transform_name = @program_transform_name@ +psdir = @psdir@ +pyexecdir = @pyexecdir@ +pythondir = @pythondir@ +runstatedir = @runstatedir@ +sbindir = @sbindir@ +sharedstatedir = @sharedstatedir@ +srcdir = @srcdir@ +sysconfdir = @sysconfdir@ +target_alias = @target_alias@ +top_build_prefix = @top_build_prefix@ +top_builddir = @top_builddir@ +top_srcdir = @top_srcdir@ +pkglib_LTLIBRARIES = ommysql.la +ommysql_la_SOURCES = ommysql.c +ommysql_la_CPPFLAGS = $(RSRT_CFLAGS) $(MYSQL_CFLAGS) $(PTHREADS_CFLAGS) +ommysql_la_LDFLAGS = -module -avoid-version +ommysql_la_LIBADD = $(MYSQL_LIBS) +EXTRA_DIST = createDB.sql +all: all-am + +.SUFFIXES: +.SUFFIXES: .c .lo .o .obj +$(srcdir)/Makefile.in: $(srcdir)/Makefile.am $(am__configure_deps) + @for dep in $?; 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+USE Syslog; +CREATE TABLE SystemEvents +( + ID int unsigned not null auto_increment primary key, + CustomerID bigint, + ReceivedAt datetime NULL, + DeviceReportedTime datetime NULL, + Facility smallint NULL, + Priority smallint NULL, + FromHost varchar(63) NULL, + Message text, + NTSeverity int NULL, + Importance int NULL, + EventSource varchar(60), + EventUser varchar(60) NULL, + EventCategory int NULL, + EventID int NULL, + EventBinaryData text NULL, + MaxAvailable int NULL, + CurrUsage int NULL, + MinUsage int NULL, + MaxUsage int NULL, + InfoUnitID int NULL , + SysLogTag varchar(60), + EventLogType varchar(60), + GenericFileName VarChar(60), + SystemID int NULL +); + +CREATE TABLE SystemEventsProperties +( + ID int unsigned not null auto_increment primary key, + SystemEventID int NULL , + ParamName varchar(255) NULL , + ParamValue text NULL +); diff --git a/plugins/ommysql/ommysql.c b/plugins/ommysql/ommysql.c new file mode 100644 index 0000000..37434e3 --- /dev/null +++ b/plugins/ommysql/ommysql.c @@ -0,0 +1,599 @@ +/* ommysql.c + * This is the implementation of the build-in output module for MySQL. + * + * NOTE: read comments in module-template.h to understand how this file + * works! + * + * File begun on 2007-07-20 by RGerhards (extracted from syslogd.c) + * + * Copyright 2007-2021 Adiscon GmbH. + * + * This file is part of rsyslog. + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * -or- + * see COPYING.ASL20 in the source distribution + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +#include "config.h" +#include "rsyslog.h" +#include <stdio.h> +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <assert.h> +#include <signal.h> +#include <errno.h> +#include <time.h> +#include <netdb.h> +#include <mysql.h> +#include <mysqld_error.h> +#include "conf.h" +#include "syslogd-types.h" +#include "srUtils.h" +#include "template.h" +#include "module-template.h" +#include "errmsg.h" +#include "cfsysline.h" +#include "parserif.h" + +MODULE_TYPE_OUTPUT +MODULE_TYPE_NOKEEP +MODULE_CNFNAME("ommysql") + +static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal); + +/* internal structures + */ +DEF_OMOD_STATIC_DATA + +typedef struct _instanceData { + char dbsrv[MAXHOSTNAMELEN+1]; /* IP or hostname of DB server*/ + unsigned int dbsrvPort; /* port of MySQL server */ + char dbname[_DB_MAXDBLEN+1]; /* DB name */ + char dbuid[_DB_MAXUNAMELEN+1]; /* DB user */ + char dbpwd[_DB_MAXPWDLEN+1]; /* DB user's password */ + uchar *configfile; /* MySQL Client Configuration File */ + uchar *configsection; /* MySQL Client Configuration Section */ + uchar *tplName; /* format template to use */ + uchar *socket; /* MySQL socket path */ +} instanceData; + +typedef struct wrkrInstanceData { + instanceData *pData; + MYSQL *hmysql; /* handle to MySQL */ + unsigned uLastMySQLErrno; /* last errno returned by MySQL or 0 if all is well */ +} wrkrInstanceData_t; + +typedef struct configSettings_s { + int iSrvPort; /* database server port */ + uchar *pszMySQLConfigFile; /* MySQL Client Configuration File */ + uchar *pszMySQLConfigSection; /* MySQL Client Configuration Section */ +} configSettings_t; +static configSettings_t cs; + +/* tables for interfacing with the v6 config system */ +/* action (instance) parameters */ +static struct cnfparamdescr actpdescr[] = { + { "server", eCmdHdlrGetWord, 1 }, + { "db", eCmdHdlrGetWord, 1 }, + { "uid", eCmdHdlrGetWord, 1 }, + { "pwd", eCmdHdlrGetWord, 1 }, + { "serverport", eCmdHdlrInt, 0 }, + { "mysqlconfig.file", eCmdHdlrGetWord, 0 }, + { "mysqlconfig.section", eCmdHdlrGetWord, 0 }, + { "template", eCmdHdlrGetWord, 0 }, + { "socket", eCmdHdlrGetWord, 0 }, +}; +static struct cnfparamblk actpblk = + { CNFPARAMBLK_VERSION, + sizeof(actpdescr)/sizeof(struct cnfparamdescr), + actpdescr + }; + +/* we need to synchronize access to the mysql handle, because multiple threads + * use it and we may need to (re)init it during processing. This could lead to + * races with potentially wrong addresses or NULL accesses. + */ +pthread_rwlock_t rwlock_hmysql; + +BEGINinitConfVars /* (re)set config variables to default values */ +CODESTARTinitConfVars + resetConfigVariables(NULL, NULL); +ENDinitConfVars + + +BEGINcreateInstance +CODESTARTcreateInstance +ENDcreateInstance + + +BEGINcreateWrkrInstance +CODESTARTcreateWrkrInstance + pthread_rwlock_wrlock(&rwlock_hmysql); + pWrkrData->hmysql = NULL; + pthread_rwlock_unlock(&rwlock_hmysql); +ENDcreateWrkrInstance + + +BEGINisCompatibleWithFeature +CODESTARTisCompatibleWithFeature + if(eFeat == sFEATURERepeatedMsgReduction) + iRet = RS_RET_OK; +ENDisCompatibleWithFeature + + +/* The following function is responsible for closing a + * MySQL connection. + * Initially added 2004-10-28 + */ +static void closeMySQL(wrkrInstanceData_t *pWrkrData) +{ + pthread_rwlock_unlock(&rwlock_hmysql); + pthread_rwlock_wrlock(&rwlock_hmysql); + if(pWrkrData->hmysql != NULL) { /* just to be on the safe side... */ + mysql_close(pWrkrData->hmysql); + pWrkrData->hmysql = NULL; + } + pthread_rwlock_unlock(&rwlock_hmysql); + pthread_rwlock_rdlock(&rwlock_hmysql); +} + +BEGINfreeInstance +CODESTARTfreeInstance + free(pData->configfile); + free(pData->configsection); + free(pData->tplName); + free(pData->socket); +ENDfreeInstance + + +BEGINfreeWrkrInstance +CODESTARTfreeWrkrInstance + pthread_rwlock_rdlock(&rwlock_hmysql); + closeMySQL(pWrkrData); + mysql_thread_end(); + pthread_rwlock_unlock(&rwlock_hmysql); +ENDfreeWrkrInstance + + +BEGINdbgPrintInstInfo +CODESTARTdbgPrintInstInfo + /* nothing special here */ +ENDdbgPrintInstInfo + + +/* log a database error with descriptive message. + * We check if we have a valid MySQL handle. If not, we simply + * report an error, but can not be specific. RGerhards, 2007-01-30 + */ +static void reportDBError(wrkrInstanceData_t *pWrkrData, int bSilent) +{ + char errMsg[512]; + unsigned uMySQLErrno; + + /* output log message */ + errno = 0; + if(pWrkrData->hmysql == NULL) { + LogError(0, NO_ERRCODE, "ommysql: unknown DB error occurred - could not obtain MySQL handle"); + } else { /* we can ask mysql for the error description... */ + uMySQLErrno = mysql_errno(pWrkrData->hmysql); + snprintf(errMsg, sizeof(errMsg), "db error (%u): %s\n", uMySQLErrno, + mysql_error(pWrkrData->hmysql)); + if(bSilent || uMySQLErrno == pWrkrData->uLastMySQLErrno) + dbgprintf("mysql, DBError(silent): %s\n", errMsg); + else { + pWrkrData->uLastMySQLErrno = uMySQLErrno; + LogError(0, NO_ERRCODE, "ommysql: %s", errMsg); + } + } + + return; +} + + +/* The following function is responsible for initializing a + * MySQL connection. + * Initially added 2004-10-28 mmeckelein + */ +static rsRetVal initMySQL(wrkrInstanceData_t *pWrkrData, int bSilent) +{ + instanceData *pData; + DEFiRet; + + assert(pWrkrData->hmysql == NULL); + pData = pWrkrData->pData; + + pthread_rwlock_unlock(&rwlock_hmysql); + pthread_rwlock_wrlock(&rwlock_hmysql); + + pWrkrData->hmysql = mysql_init(NULL); + if(pWrkrData->hmysql == NULL) { + LogError(0, RS_RET_SUSPENDED, "can not initialize MySQL handle"); + iRet = RS_RET_SUSPENDED; + } else { /* we could get the handle, now on with work... */ + mysql_options(pWrkrData->hmysql,MYSQL_READ_DEFAULT_GROUP, + ((pData->configsection!=NULL)?(char*)pData->configsection:"client")); + if(pData->configfile!=NULL){ + FILE * fp; + fp=fopen((char*)pData->configfile,"r"); + int err=errno; + if(fp==NULL){ + char msg[512]; + snprintf(msg,sizeof(msg),"Could not open '%s' for reading",pData->configfile); + if(bSilent) { + char errStr[512]; + rs_strerror_r(err, errStr, sizeof(errStr)); + dbgprintf("mysql configuration error(%d): %s - %s\n",err,msg,errStr); + } else + LogError(err,NO_ERRCODE,"mysql configuration error: %s\n",msg); + } else { + fclose(fp); + mysql_options(pWrkrData->hmysql,MYSQL_READ_DEFAULT_FILE,pData->configfile); + } + } + /* Connect to database */ + if(mysql_real_connect(pWrkrData->hmysql, pData->dbsrv, pData->dbuid, + pData->dbpwd, pData->dbname, pData->dbsrvPort, + (const char *)pData->socket, 0) == NULL) { + reportDBError(pWrkrData, bSilent); + closeMySQL(pWrkrData); /* ignore any error we may get */ + ABORT_FINALIZE(RS_RET_SUSPENDED); + } + if(mysql_autocommit(pWrkrData->hmysql, 0)) { + LogMsg(0, NO_ERRCODE, LOG_WARNING, "ommysql: activating autocommit failed, " + "some data may be duplicated\n"); + reportDBError(pWrkrData, 0); + } + } + +finalize_it: + pthread_rwlock_unlock(&rwlock_hmysql); + pthread_rwlock_rdlock(&rwlock_hmysql); + RETiRet; +} + + +/* The following function writes the current log entry + * to an established MySQL session. + * Initially added 2004-10-28 mmeckelein + */ +static rsRetVal writeMySQL(wrkrInstanceData_t *pWrkrData, const uchar *const psz) +{ + DEFiRet; + + /* see if we are ready to proceed */ + if(pWrkrData->hmysql == NULL) { + CHKiRet(initMySQL(pWrkrData, 0)); + } + + /* try insert */ + if(mysql_query(pWrkrData->hmysql, (char*)psz)) { + const int mysql_err = mysql_errno(pWrkrData->hmysql); + /* We assume server error codes are non-recoverable, mainly data errors. + * This also means we need to differentiate between client and server error + * codes. Unfortunately, the API does not provide a specified function for + * this. Howerver, error codes 2000..2999 are currently client error codes. + * So we use this as guideline. + */ + if(mysql_err < 2000 || mysql_err > 2999) { + reportDBError(pWrkrData, 0); + LogError(0, RS_RET_DATAFAIL, "The error statement was: %s", psz); + ABORT_FINALIZE(RS_RET_DATAFAIL); + } + /* potentially recoverable error occurred, try to re-init connection and retry */ + closeMySQL(pWrkrData); /* close the current handle */ + CHKiRet(initMySQL(pWrkrData, 0)); /* try to re-open */ + if(mysql_query(pWrkrData->hmysql, (char*)psz)) { /* re-try insert */ + /* we failed, giving up for now */ + DBGPRINTF("ommysql: suspending due to failed write of '%s'\n", psz); + reportDBError(pWrkrData, 0); + closeMySQL(pWrkrData); /* free ressources */ + ABORT_FINALIZE(RS_RET_SUSPENDED); + } + } + +finalize_it: + if(iRet == RS_RET_OK) { + pWrkrData->uLastMySQLErrno = 0; /* reset error for error supression */ + } + + RETiRet; +} + + +BEGINtryResume +CODESTARTtryResume + pthread_rwlock_rdlock(&rwlock_hmysql); + if(pWrkrData->hmysql == NULL) { + iRet = initMySQL(pWrkrData, 1); + } + pthread_rwlock_unlock(&rwlock_hmysql); +ENDtryResume + +BEGINbeginTransaction +CODESTARTbeginTransaction + // NOTHING TO DO IN HERE +ENDbeginTransaction + +BEGINcommitTransaction +CODESTARTcommitTransaction + DBGPRINTF("ommysql: commitTransaction\n"); + pthread_rwlock_rdlock(&rwlock_hmysql); + CHKiRet(writeMySQL(pWrkrData, (uchar*)"START TRANSACTION")); + + for(unsigned i = 0 ; i < nParams ; ++i) { + iRet = writeMySQL(pWrkrData, actParam(pParams, 1, i, 0).param); + if(iRet != RS_RET_OK + && iRet != RS_RET_DEFER_COMMIT + && iRet != RS_RET_PREVIOUS_COMMITTED) { + if(pWrkrData->hmysql == NULL) { + DBGPRINTF("ommysql: server error: hmysql is closed, transaction rollback " + "willl not be tried (it probably already happened)\n"); + } else { + if(mysql_rollback(pWrkrData->hmysql) != 0) { + DBGPRINTF("ommysql: server error: transaction could not be rolled back\n"); + } + closeMySQL(pWrkrData); + } + FINALIZE; + } + } + + if(mysql_commit(pWrkrData->hmysql) != 0) { + DBGPRINTF("ommysql: server error: transaction not committed\n"); + reportDBError(pWrkrData, 0); + ABORT_FINALIZE(RS_RET_SUSPENDED); + } + DBGPRINTF("ommysql: transaction committed\n"); +finalize_it: + pthread_rwlock_unlock(&rwlock_hmysql); +ENDcommitTransaction + +static inline void +setInstParamDefaults(instanceData *pData) +{ + pData->dbsrvPort = 0; + pData->configfile = NULL; + pData->configsection = NULL; + pData->tplName = NULL; + pData->socket = NULL; +} + + +/* note: we use the fixed-size buffers inside the config object to avoid + * changing too much of the previous plumbing. rgerhards, 2012-02-02 + */ +BEGINnewActInst + struct cnfparamvals *pvals; + int i; + char *cstr; + size_t len; +CODESTARTnewActInst + if((pvals = nvlstGetParams(lst, &actpblk, NULL)) == NULL) { + ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS); + } + + CHKiRet(createInstance(&pData)); + setInstParamDefaults(pData); + + CODE_STD_STRING_REQUESTparseSelectorAct(1) + for(i = 0 ; i < actpblk.nParams ; ++i) { + if(!pvals[i].bUsed) + continue; + if(!strcmp(actpblk.descr[i].name, "server")) { + cstr = es_str2cstr(pvals[i].val.d.estr, NULL); + len = es_strlen(pvals[i].val.d.estr); + if(len >= sizeof(pData->dbsrv)-1) { + parser_errmsg("ommysql: dbname parameter longer than supported " + "maximum of %d characters", (int)sizeof(pData->dbsrv)-1); + ABORT_FINALIZE(RS_RET_PARAM_ERROR); + } + memcpy(pData->dbsrv, cstr, len+1); + free(cstr); + } else if(!strcmp(actpblk.descr[i].name, "serverport")) { + pData->dbsrvPort = (int) pvals[i].val.d.n; + } else if(!strcmp(actpblk.descr[i].name, "db")) { + cstr = es_str2cstr(pvals[i].val.d.estr, NULL); + len = es_strlen(pvals[i].val.d.estr); + if(len >= sizeof(pData->dbname)-1) { + parser_errmsg("ommysql: dbname parameter longer than supported " + "maximum of %d characters", (int)sizeof(pData->dbname)-1); + ABORT_FINALIZE(RS_RET_PARAM_ERROR); + } + memcpy(pData->dbname, cstr, len+1); + free(cstr); + } else if(!strcmp(actpblk.descr[i].name, "uid")) { + cstr = es_str2cstr(pvals[i].val.d.estr, NULL); + len = es_strlen(pvals[i].val.d.estr); + if(len >= sizeof(pData->dbuid)-1) { + parser_errmsg("ommysql: uid parameter longer than supported " + "maximum of %d characters", (int)sizeof(pData->dbuid)-1); + ABORT_FINALIZE(RS_RET_PARAM_ERROR); + } + memcpy(pData->dbuid, cstr, len+1); + free(cstr); + } else if(!strcmp(actpblk.descr[i].name, "pwd")) { + cstr = es_str2cstr(pvals[i].val.d.estr, NULL); + len = es_strlen(pvals[i].val.d.estr); + if(len >= sizeof(pData->dbpwd)-1) { + parser_errmsg("ommysql: pwd parameter longer than supported " + "maximum of %d characters", (int)sizeof(pData->dbpwd)-1); + ABORT_FINALIZE(RS_RET_PARAM_ERROR); + } + memcpy(pData->dbpwd, cstr, len+1); + free(cstr); + } else if(!strcmp(actpblk.descr[i].name, "mysqlconfig.file")) { + pData->configfile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "mysqlconfig.section")) { + pData->configsection = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "template")) { + pData->tplName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else if(!strcmp(actpblk.descr[i].name, "socket")) { + pData->socket = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL); + } else { + dbgprintf("ommysql: program error, non-handled " + "param '%s'\n", actpblk.descr[i].name); + } + } + + if(pData->tplName == NULL) { + CHKiRet(OMSRsetEntry(*ppOMSR, 0, (uchar*) strdup(" StdDBFmt"), + OMSR_RQD_TPL_OPT_SQL)); + } else { + CHKiRet(OMSRsetEntry(*ppOMSR, 0, + (uchar*) strdup((char*) pData->tplName), + OMSR_RQD_TPL_OPT_SQL)); + } +CODE_STD_FINALIZERnewActInst + cnfparamvalsDestruct(pvals, &actpblk); +ENDnewActInst + + +BEGINparseSelectorAct + int iMySQLPropErr = 0; +CODESTARTparseSelectorAct +CODE_STD_STRING_REQUESTparseSelectorAct(1) + /* first check if this config line is actually for us + * The first test [*p == '>'] can be skipped if a module shall only + * support the newer slection syntax [:modname:]. This is in fact + * recommended for new modules. Please note that over time this part + * will be handled by rsyslogd itself, but for the time being it is + * a good compromise to do it at the module level. + * rgerhards, 2007-10-15 + */ + if(*p == '>') { + p++; /* eat '>' '*/ + } else if(!strncmp((char*) p, ":ommysql:", sizeof(":ommysql:") - 1)) { + p += sizeof(":ommysql:") - 1; /* eat indicator sequence (-1 because of '\0'!) */ + } else { + ABORT_FINALIZE(RS_RET_CONFLINE_UNPROCESSED); + } + + /* ok, if we reach this point, we have something for us */ + CHKiRet(createInstance(&pData)); + + /* rger 2004-10-28: added support for MySQL + * >server,dbname,userid,password + * Now we read the MySQL connection properties + * and verify that the properties are valid. + */ + if(getSubString(&p, pData->dbsrv, MAXHOSTNAMELEN+1, ',')) + iMySQLPropErr++; + if(*pData->dbsrv == '\0') + iMySQLPropErr++; + if(getSubString(&p, pData->dbname, _DB_MAXDBLEN+1, ',')) + iMySQLPropErr++; + if(*pData->dbname == '\0') + iMySQLPropErr++; + if(getSubString(&p, pData->dbuid, _DB_MAXUNAMELEN+1, ',')) + iMySQLPropErr++; + if(*pData->dbuid == '\0') + iMySQLPropErr++; + if(getSubString(&p, pData->dbpwd, _DB_MAXPWDLEN+1, ';')) + iMySQLPropErr++; + /* now check for template + * We specify that the SQL option must be present in the template. + * This is for your own protection (prevent sql injection). + */ + if(*(p-1) == ';') + --p; /* TODO: the whole parsing of the MySQL module needs to be re-thought - but this here + * is clean enough for the time being -- rgerhards, 2007-07-30 + */ + CHKiRet(cflineParseTemplateName(&p, *ppOMSR, 0, OMSR_RQD_TPL_OPT_SQL, (uchar*) " StdDBFmt")); + + /* If we detect invalid properties, we disable logging, + * because right properties are vital at this place. + * Retries make no sense. + */ + if (iMySQLPropErr) { + LogError(0, RS_RET_INVALID_PARAMS, "Trouble with MySQL connection properties. " + "-MySQL logging disabled"); + ABORT_FINALIZE(RS_RET_INVALID_PARAMS); + } else { + pData->dbsrvPort = (unsigned) cs.iSrvPort; /* set configured port */ + pData->configfile = cs.pszMySQLConfigFile; + pData->configsection = cs.pszMySQLConfigSection; + pData->socket = NULL; + } + +CODE_STD_FINALIZERparseSelectorAct +ENDparseSelectorAct + + +BEGINmodExit +CODESTARTmodExit + pthread_rwlock_destroy(&rwlock_hmysql); +# ifdef HAVE_MYSQL_LIBRARY_INIT + mysql_library_end(); +# else + mysql_server_end(); +# endif +ENDmodExit + + +BEGINqueryEtryPt +CODESTARTqueryEtryPt +CODEqueryEtryPt_STD_OMODTX_QUERIES +CODEqueryEtryPt_STD_OMOD8_QUERIES +CODEqueryEtryPt_STD_CONF2_OMOD_QUERIES +ENDqueryEtryPt + + +/* Reset config variables for this module to default values. + */ +static rsRetVal resetConfigVariables(uchar __attribute__((unused)) *pp, void __attribute__((unused)) *pVal) +{ + DEFiRet; + cs.iSrvPort = 0; /* zero is the default port */ + free(cs.pszMySQLConfigFile); + cs.pszMySQLConfigFile = NULL; + free(cs.pszMySQLConfigSection); + cs.pszMySQLConfigSection = NULL; + RETiRet; +} + +BEGINmodInit() +CODESTARTmodInit +INITLegCnfVars + *ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */ +CODEmodInit_QueryRegCFSLineHdlr + INITChkCoreFeature(bCoreSupportsBatching, CORE_FEATURE_BATCHING); + if(!bCoreSupportsBatching) { + LogError(0, NO_ERRCODE, "ommysql: rsyslog core too old"); + ABORT_FINALIZE(RS_RET_ERR); + } + + /* we need to init the MySQL library. If that fails, we cannot run */ + if( +# ifdef HAVE_MYSQL_LIBRARY_INIT + mysql_library_init(0, NULL, NULL) +# else + mysql_server_init(0, NULL, NULL) +# endif + ) { + LogError(0, NO_ERRCODE, "ommysql: initializing mysql client failed, plugin " + "can not run"); + ABORT_FINALIZE(RS_RET_ERR); + } + + pthread_rwlock_init(&rwlock_hmysql, NULL); + + /* register our config handlers */ + CHKiRet(omsdRegCFSLineHdlr((uchar *)"actionommysqlserverport", 0, eCmdHdlrInt, NULL, &cs.iSrvPort, + STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar *)"ommysqlconfigfile",0,eCmdHdlrGetWord,NULL,&cs.pszMySQLConfigFile, + STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar *)"ommysqlconfigsection",0,eCmdHdlrGetWord,NULL,&cs.pszMySQLConfigSection, + STD_LOADABLE_MODULE_ID)); + CHKiRet(omsdRegCFSLineHdlr((uchar *)"resetconfigvariables", 1, eCmdHdlrCustomHandler, resetConfigVariables, + NULL, STD_LOADABLE_MODULE_ID)); +ENDmodInit |