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authorRainer Gerhards <rgerhards@adiscon.com>2004-12-08 16:53:54 +0000
committerRainer Gerhards <rgerhards@adiscon.com>2004-12-08 16:53:54 +0000
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+# A commented sample configuration. More a man page than a real
+# sample ;)
+#
+# We try to keep things as consistent with existing syslog implementation
+# as possible. We use "$" to start lines that contain new directives.
+# Set syslogd options
+
+# Templates are a key feature of rsyslog. They allow to specify any
+# format a user might want. Every output in rsyslog uses templates - this
+# holds true for files, user messages and so on. The database writer
+# expects its template to be a proper SQL statement - so this is highly
+# customizable too. You might ask how does all of this work when no templates
+# at all are specified. Good question ;) The answer is simple, though. Templates
+# compatible with the stock syslogd formats are hardcoded into rsyslog. So if
+# no template is specified, we use one of these hardcoded templates. Search for
+# "template_" in syslogd.c and you will find the hardcoded ones.
+#
+# A template consists of a template directive, a name, the actual template text
+# and optional options. A sample is:
+#
+# $template MyTemplateName,"\7Text %property% some more text\n",<options>
+#
+# The "$template" is the template directive. It tells rsyslog that this
+# line contains a template.
+#
+# "MyTemplateName" is the template name. All other config lines refer to
+# this name.
+#
+# The text within quotes is the actual template text. The backslash is
+# a escape character, much as in C. It does all these "cool" things. For
+# example, \7 rings the bell (this is an ASCII value), \n is a new line.
+# C programmers and perl coders have the advantage of knowing this, but the
+# set in rsyslog is a bit restricted currently. All text in the template
+# is used literally, except for things within percent signs. These are
+# properties and allow you access to the contents of the syslog message.
+# Properties are accessed via the property replacer (nice name, huh) and
+# it can do cool things, too. For example, it can pick a substring or
+# do date-specific formatting. More on this is below, on some lines of the
+# property replacer.
+#
+# The <options> part is optional. It carries options that influence the
+# template as whole. Details are below. Be sure NOT to mistake template
+# options with property options - the later ones are processed by the
+# property replacer and apply to a SINGLE property, only (and not the
+# whole template).
+#
+# Template options are case-insensitive. Currently defined are:
+# sql - format the string suitable for a SQL statement. This will replace single
+# quotes ("'") by two single quotes ("''") inside each field. This option MUST
+# be specified when a template is used for writing to a database, otherwise SQL
+# injection might occur.
+#
+# Please note that the database writer *checks* that the sql option is
+# present in the template. If it is not present, the write database action
+# is disabled. This is to guard you against accidential forgetting it and
+# then becoming vulnerable for SQL injection.
+# The sql option can also be useful with files - especially if you want
+# to run them on another machine for performance reasons. However, do NOT
+# use it if you do not have a real need for it - among others, it takes
+# some toll on the processing time. Not much, but on a really busy system
+# you might notice it ;)
+#
+# To escape:
+# % = \%
+# \ = \\
+# --> '\' is used to escape (as in C)
+#$template TraditionalFormat,%timegenerated% %HOSTNAME% %syslogtag%%msg%\n"
+#
+# Properties can be accessed by the property replacer. They are accessed
+# inside the template by putting them between percent signs. Properties
+# can be modifed by the property replacer. The full syntax is as follows:
+#
+# %propname:fromChar:toChar:options%
+#
+# propname is the name of the property to access. This IS case-sensitive!
+# Currently supported are:
+# msg the MSG part of the message (aka "the message" ;))
+# rawmsg the message excactly as it was received from the
+# socket. Should be useful for debugging.
+# UxTradMsg will disappear soon - do NOT use!
+# HOSTNAME hostname from the message
+# source alias for HOSTNAME
+# syslogtag TAG from the message
+# PRI PRI part of the message - undecoded (single value)
+# IUT the monitorware InfoUnitType - used when talking to a
+# MonitorWare backend (also for phpLogCon)
+# syslogfacility the facility from the message - in numerical form
+# syslogpriority the priority (actully severity!) from the
+# message - in numerical form
+# timegenerated timestamp when the message was RECEIVED. Always in high
+# resolution
+# timereported timestamp from the message. Resolution depends on what
+# was provided in the message (in most cases, only seconds)
+# TIMESTAMP alias for timereported
+#
+# FromChar and toChar are used to build substrings. They specify the
+# offset within the string that should be copied. Offset counting
+# starts at 1, so if you need to obtain the first 2 characters of the
+# message text, you can use this syntax: "%msg:1:2%".
+# If you do not whish to specify from and to, but you want to
+# specify options, you still need to include the colons. For example,
+# if you would like to convert the full message text to lower case
+# only, use "%msg:::lowercase%".
+#
+# property options are case-insensitive, currently defined are:
+# uppercase convert property to lowercase only
+# lowercase convert property text to uppercase only
+# drop-last-lf The last LF in the message (if any), is dropped.
+# Especially useful for PIX.
+# date-mysql format as mysql date
+# date-rfc3164 format as RFC 3164 date
+# date-rfc3339 format as RFC 3339 date
+# escape-cc NOT yet implemented
+
+# Below find some samples of what a template can do. Have a good
+# time finding out what they do [or just tun them] ;)
+
+# A template that resambles traditional syslogd file output:
+$template TraditionalFormat,"%timegenerated% %HOSTNAME% %syslogtag%%msg:::drop-last-lf%\n"
+
+# A template that tells you a little more about the message:
+$template precise,"%syslogpriority%,%syslogfacility%,%timegenerated::fulltime%,%HOSTNAME%,%syslogtag%,%msg%\n"
+
+# A template that resembles RFC 3164 on-the-wire format:
+# (yes, there is NO space betwen syslogtag and msg! that's important!)
+$template RFC3164fmt,"<%PRI%>%TIMESTAMP% %HOSTNAME% %syslogtag%%msg%"
+
+# a template resembling traditional wallmessage format:
+$template wallmsg,"\r\n\7Message from syslogd@%HOSTNAME% at %timegenerated% ...\r\n %syslogtag%%msg%\n\r"
+
+# The template below emulates winsyslog format, but we need to check the time
+# stamps used. for now, it is good enough ;) This format works best with
+# other members of the MonitorWare product family. It is also a good sample
+# where you can see the property replacer in action.
+$template WinSyslogFmt,"%HOSTNAME%,%timegenerated:1:10:date-rfc3339%,%timegenerated:12:19:date-rfc3339%,%timegenerated:1:10:date-rfc3339%,%timegenerated:12:19:date-rfc3339%,%syslogfacility%,%syslogpriority%,%syslogtag%%msg%\n"
+
+# A template used for database writing (notice it *is* an actual
+# sql-statement):
+$template dbFormat,"insert into SystemEvents (Message, Facility,FromHost, Priority, DeviceReportedTime, ReceivedAt, InfoUnitID, SysLogTag) values ('%msg%', %syslogfacility%, '%HOSTNAME%',%syslogpriority%, '%timereported:::date-mysql%', '%timegenerated:::date-mysql%', %iut%, '%syslogtag%')",sql
+
+# Selector lines are somewhat different from stock syslogd. With
+# rsyslog, you can add a semicolon ";" after the target and then
+# the template name. That will assign this template to the respective
+# action. If no template name is given, a hardcoded template is used.
+# If a template name is given, but the template was not defined, the
+# selector line is DEACTIVATED.
+#
+# #############
+# # IMPORTANT #
+# #############
+# Templates MUST be defined BEFORE they are used! It is OK to
+# intermix template definitions and selector lines within the
+# config file, but each template MUST be defined before it is
+# used the first time!
+#
+
+# We have some very rough samples here - This sample file focusses
+# on the new syntax, so we do NOT describe all possible selections.
+# Use the syslog.conf if you are interested to see how to select
+# based on facility and severits (aka priority).
+
+*.* /var/log/winsyslog-like.log;WinSyslogFmt
+
+# A selector using the traditional format defined above:
+*.* /var/log/traditionalfile.log;TraditionalFormat
+
+# And another one using the hardcoded traditional format:
+*.* /var/log/anothertraditionalfile.log
+
+# Templates are also fully supportd for forwarding:
+*.* @172.19.2.16;RFC3164fmt
+
+# And this finally is a database action
+*.* >hostname,dbname,userid,password
+# It uses the default schema (MonitorWare format). The parameters
+# should be self-explanatory.
+
+# And this one uses the template defined above:
+*.* >hostname,dbname,userid,password;dbFormat
+
+#
+# A final world. rsyslog is considered a part of Adiscon's MonitorWare product line.
+# As such, you can find current information as well as information on the
+# other product line members on http://www.monitorware.com. Please be warned, there
+# are a number of closed-source commercial Windows applications among these products ;)
+#
+# You might want to check the GPL'ed phpLogCon (http://www.phplogcon.org)
+# as a web-based front-end to a syslog message database.
+#
+# I hope this work is useful.
+# 2004-12-08 Rainer Gerhards <rgerhards@adiscon.com>
+#