diff options
| -rwxr-xr-x | add-syslog | 465 |
1 files changed, 232 insertions, 233 deletions
@@ -1,237 +1,236 @@ -#!/bin/sh -#--------------------------------------------------------------- -# Project : Mandriva Linux -# Module : rpm-helper -# File : add-syslog -# Version : 1 -# Author : Herton Ronaldo Krzesinski -# Created On : Tue Jul 19 23:24:48 2005 -# Modified On : Sat Jul 30 22:25:00 2005 -# Purpose : helper script for rpm scriptlets to add a -# entry filter for software from package into -# syslog (supported sysklogd and syslog-ng). -#--------------------------------------------------------------- - -if [ $# -lt 3 ]; then - echo "usage: $0 <pkg name> <num installed> <source> <facility> <level_begin> <level_end> <log file>" 1>&2 - exit 1 -fi - -priority_order="debug info notice warn,warning err,error crit alert emerg,panic" - -# check range of level priority, example, an level mail.notice in -# syslog.conf will filter and log notice or greater level of messages -not_existing_entry() { - if [ "$3" = "*" -o "$4" = "*" ]; then - if sed "s/#.*$//g" /etc/syslog.conf | grep "$1" | grep -q "$2\.\*" || - sed "s/#.*$//g" /etc/syslog.conf | grep "$1" | grep -q "$2\.=\*"; then - return 1 - fi - lvl_start=`echo $priority_order | cut -d " " -f 1 | sed "s:,.*::"` - num_levels=`echo $priority_order | wc -w` - lvl_end=`echo $priority_order | cut -d " " -f $num_levels | sed "s:,.*::"` - else - lvl_start=$3 - lvl_end=$4 - fi - local begin=0 - for x in $priority_order; do - if [[ "$begin" -eq 0 ]] && ! echo $x | grep -q "$lvl_start"; then - continue - fi - begin=1 - x=`echo $x | sed "s:,: :g"` - for y in $x; do - if sed "s/#.*$//g" /etc/syslog.conf | grep "$1" | grep -q "$2\.$y"; then - return 1 - fi - if sed "s/#.*$//g" /etc/syslog.conf | grep "$1" | grep -q "$2\.=$y"; then - return 1 - fi - done - if echo $x | grep -q "$lvl_end"; then - return 0 - fi - done +#!/usr/bin/perl +# rpm helper scriptlet to add a syslog entry (sysklogd and syslog-ng) +# $Id$ +use Getopt::Long; +use strict; + +my $source = '/dev/log'; +my $facility = ''; +my $min = 'debug'; +my $max = 'emerg'; +GetOptions( + "source=s" => \$source, + "facility=s" => \$facility, + "min=s" => \$min, + "max=s" => \$max, +); + +die <<EOF if @ARGV < 3; +usage: $0 [options] <pkg> <nb> <dest> +Available options: +--source <source> (default: /dev/log) +--facility <facility> (default: first local available) +--min <priority> (default: debug) +--max <priority> (default: emerg) +EOF +my ($package, $number, $dest) = @ARGV; + +# don't do anything in upgrade +exit(0) if $number != 1; + +# check arguments +my @facilities = qw/auth authpriv cron daemon \ + kern lpr mail mark news syslog \ + user uucp local0 local1 local2 \ + local3 local4 local5 local6 local7/; +my %facilities = map { $_ => 1 } @facilities; + +die "invalid facility '$facility'" if $facility && !$facilities{$facility}; + +my $i; +my @priorities = qw/debug info notice warning err crit alert emerg/; +my %priorities = map { $_ => $i++ } @priorities; + +die "invalid min priority '$min'" if $min && ! defined $priorities{$min}; +die "invalid max priority '$max'" if $max && ! defined $priorities{$max}; +die "maximum priority '$max' lower than minimum priority '$min'" + if $min && $max && ($priorities{$max} < $priorities{$min}); + +if (!$facility) { + my @local_facilities; + # parse all configuration files, and count occurences of local facilities + if (-f '/etc/syslog.conf') { + open(my $in, '<', '/etc/syslog.conf') + or die "Can't open /etc/syslog.conf for reading: $!"; + while (my $line = <$in>) { + $local_facilities[$1]++ if $line =~ /^local(\d)/; + } + close($in); + } + if (-f '/etc/syslog-ng.conf') { + open(my $in, '<', '/etc/syslog-ng.conf') + or die "Can't open /etc/syslog-ng.conf for reading: $!"; + while (my $line = <$in>) { + $local_facilities[$1]++ if $line =~ /facility\(local(\d)\)/; + } + close($in); + } + # use first facility without occurences + for my $i (1 .. 7) { + next unless $local_facilities[$i] == 0; + $facility = "local$i"; + last; + } + die "no available free facility" unless $facility; } -add_blank_line() { - [ -n "`tail -n 1 $1`" ] && echo >> $1 || : +add_sysklogd_facility($package, $source, $dest, $facility, $min, $max) + if -f '/etc/syslog.conf'; + +add_syslogng_facility($package, $source, $dest, $facility, $min, $max) + if -f '/etc/syslog-ng.conf'; + +# output used facility as feedback +print $facility + +sub add_sysklogd_facility { + my ($package, $source, $dest, $facility, $min, $max) = @_; + + # ensure source is configured + if ($source ne '/dev/log') { + my ($content, $changed); + open(my $in, '<', '/etc/sysconfig/syslog') + or die "Can't open /etc/sysconfig/syslog for reading: $!"; + while (my $line = <$in>) { + if ($line =~ /^SYSLOGD_OPTIONS=(["'])?(.*)\1/) { + my $quote = $1; + my $options = $2; + if ($options !~ /-a\s+$source/) { + $options .= " -a $source"; + $changed = 1; + } + $content .= + "SYSLOGD_OPTIONS=" . $quote . $options. $quote . "\n"; + } else { + $content .= $line; + } + } + close($in); + + if ($changed) { + open(my $out, '>', '/etc/sysconfig/syslog') + or die "Can't open /etc/sysconfig/syslog for writing: $!"; + print $out $content; + close($out); + } + } + + # compute selector + my $selector; + if ($max eq 'emerg') { + if ($min eq 'debug') { + $selector = "$facility.*"; + } else { + $selector = "$facility.$min"; + } + } else { + for my $i ($priorities{$min} .. $priorities{$max}) { + $selector .= ';' if $selector; + $selector .= "$facility.=$priorities[$i]"; + } + } + + # compute spacing to keep default configuration file formatting + my $tabs = length($selector) < 48 ? + (((48 - length($selector)) / 8) + 1) : + 1; + + # append entry + open(my $out, '>>', '/etc/syslog.conf') + or die "Can't open /etc/syslog.conf for appending: $!"; + print $out "# Automatically added by $package installation\n"; + print $out $selector . ("\t" x $tabs) . '-' . $dest . "\n"; + close($out); + + # relaunch syslog + system(qw/service syslog condrestart/); } -pkg=$1 # name of the package -num=$2 # number of packages installed -source=$3 # from where the log will come (log stream) - # NOTE: source must be a unix-stream -facility=$4 # subclass of log source, like kern, mail... -level_begin=$5 # log level, eg.: info, notice, critical... -level_end=$6 # if in a range, you especify level_end - # like when you log from level debug - # untill notice. if not in a range - # you must specify level_end the same as - # level_begin or leave level_end empty -logfile=$7 # log file, like /var/log/messages - -# Don't readd entry on package updates -if [ "$num" -ne 1 ]; then - exit 0 -fi - -# just ignore if it's default unix domain socket -[ "$source" = "/dev/log" ] && source="" || : - -# if we only have level_end, assume that level_begin is the lowest -# priority level order -if [ -z "$level_begin" -a -n "$level_end" ]; then - level_begin=`echo $priority_order | cut -d " " -f 1 | sed "s:,.*::"` -fi - -# Do not use deprecated level names, set also label for syslog-ng levels -for loglevel in $priority_order; do - if echo $loglevel | grep -q "$level_begin"; then - level_begin=`echo $loglevel | sed s:,.*::` - break - fi -done -if [ -n "$level_end" ]; then - for loglevel in $priority_order; do - if echo $loglevel | grep -q "$level_end"; then - level_end=`echo $loglevel | sed s:,.*::` - break - fi - done - level_label=${level_begin}_${level_end} -else - level_label=$level_begin -fi - -# Wildcards on begin or end means we want levels until a limit on either side -# Just use wildcard if range of levels contains all levels -if [ "$level_begin" = "debug" -a "$level_end" = "*" -o "$level_begin" = "*" -a "$level_end" = "emerg" ]; then - level_begin="*" - level_end="*" -elif [ "$level_begin" = "*" -a "$level_end" != "*" ]; then - level_begin="debug" -elif [ "$level_begin" != "*" -a "$level_end" = "*" ]; then - level_end="emerg" -elif [ "$level_begin" = "debug" -a "$level_end" = "emerg" ]; then - level_begin="*" - level_end="*" -fi - -# sysklogd handler -if [ -f /etc/syslog.conf ]; then - if [[ -n "$source" ]] && ! grep -q "$source" /etc/sysconfig/syslog; then - . /etc/sysconfig/syslog - SYSLOGD_OPTIONS="$SYSLOGD_OPTIONS -a $source" - sed -i -e :a -e \ - "s:SYSLOGD_OPTIONS=\"[^\"]*\":SYSLOGD_OPTIONS=\"$SYSLOGD_OPTIONS\":g;/SYSLOGD_OPTIONS/N;//ba" \ - /etc/sysconfig/syslog - fi - # we first verify if there isn't already a log entry for the - # logfile/facility/level provided, and then add the entry to - # syslog.conf. Note that we must always remove comments, - # otherwise commented lines are interpreted as active - if not_existing_entry "$logfile" "$facility" "$level_begin" "$level_end"; then - add_blank_line /etc/syslog.conf - if [ "$level_begin" = "*" -a "$level_end" = "*" ]; then - echo -e "$facility.*\t\t\t\t\t\t\t$logfile" >> /etc/syslog.conf - elif [ -n "$level_begin" -a -n "$level_end" -a "$level_begin" != "$level_end" -a "$level_end" = "emerg" ]; then - echo -e "$facility.$level_begin\t\t\t\t\t\t\t$logfile" >> /etc/syslog.conf - elif [ -n "$level_begin" -a -n "$level_end" -a "$level_begin" != "$level_end" ]; then - count=0 - for loglevel in $priority_order; do - if [[ "$count" -eq 0 ]] && ! echo "$loglevel" | grep -q "$level_begin"; then - continue - fi - let count=count+1 - current_level=`echo $loglevel | sed "s:,.*::"` - if ! echo "$loglevel" | grep -q "$level_end"; then - echo -n "$facility.=$current_level;" >> /etc/syslog.conf - else - echo -n "$facility.=$current_level " >> /etc/syslog.conf - break - fi - done - let count=8-count - while [ "$count" -gt 0 ]; do - echo -ne "\t" >> /etc/syslog.conf - let count=count-1 - done - echo -n "$logfile" >> /etc/syslog.conf - elif [ -n "$level_begin" ]; then - echo -e "$facility.=$level_begin\t\t\t\t\t\t\t$logfile" >> /etc/syslog.conf - fi - fi - [ -f "/etc/rc.d/init.d/syslog" ] && service syslog condrestart -fi - -# syslog-ng handler -if [ -f /etc/syslog-ng.conf ]; then - config=`sed "s/#.*$//g" /etc/syslog-ng.conf` - add_blank_line /etc/syslog-ng.conf - if [ -z "$source" ]; then - from=`echo $config | sed -n "s:\(.*source[[:space:]]\+\)\([[:alnum:]]\+\)\(.*/dev/log.*\):\2:p"` - elif ! sed "s/#.*$//g" /etc/syslog-ng.conf | grep -q "$source"; then - if [ -n "$facility" -o -n "$level_begin" -a -n "$logfile" ]; then - echo "source $pkg { unix-stream (\"$source\"); };" >> /etc/syslog-ng.conf - from=$pkg - else - from=`echo $config | sed -n "s:\(.*source[[:space:]]\+\)\([[:alnum:]]\+\)\(.*/dev/log.*\):\2:p"` - fi - else - from=`echo $config | sed -n "s:\(.*source[[:space:]]\+\)\([[:alnum:]]\+\)\(.*$source.*\):\2:p"` - fi - if [ -n "$facility" -o -n "$level_begin" -a -n "$logfile" ]; then - if ! sed "s/#.*$//g" /etc/syslog-ng.conf | grep -q "$logfile"; then - echo "destination ${pkg}_${level_label} { file(\"$logfile\"); };" >> /etc/syslog-ng.conf - dest=${pkg}_${level_label} - else - dest=`echo $config | sed -n "s:\(.*destination[[:space:]]\+\)\([[:alnum:]]\+\)\(.*$logfile.*\):\2:p"` - fi - - if [ -n "$level_begin" -a -n "$level_end" -a "$level_begin" != "$level_end" ]; then - level_str="$level_begin..$level_end" - elif [ "$level_begin" = "*" -a "$level_end" = "*" ]; then - level_str="debug..emerg" - elif [ -n "$level_begin" ]; then - level_str="$level_begin" - fi - if ! sed "s/#.*$//g" /etc/syslog-ng.conf | grep "$facility" | grep -q filter; then - echo "filter f_${pkg}_${level_label} { facility($facility) and level($level_str); };" >> /etc/syslog-ng.conf - filter=f_${pkg}_${level_label} - else - filter=`echo $config | sed -n "s:\(.*filter[[:space:]]\+\)\([[:alnum:]]\+\)\(.*$facility.*\):\2:p"` - curfilt=`echo $config | sed -n "s:\(.*\)\(filter[[:space:]]\+$filter[^}]*};\)\(.*\):\2:gp"` - has_level=0 - levels=`echo $priority_order | sed -n "s:\($level_begin.*\):\1:p"` - levels=`echo $levels | sed -n "s:\(.*$level_end\):\1:p"` - for log_level in $levels; do - if echo $curfilt | grep -q "$log_level"; then - has_level=1 - break - fi - done - if [ "$has_level" -eq 0 ]; then - echo "filter f_${pkg}_${level_label} { facility($facility) and level($level_str); };" >> /etc/syslog-ng.conf - filter=f_${pkg}_${level_label} - fi - fi - if [ -n "$from" -a -n "$dest" -a -n "$filter" ]; then - if ! sed "s/#.*$//g" /etc/syslog-ng.conf | grep "$from" \ - | grep "$dest" | grep "$filter" | grep -q "^[[:space:]]*log"; then - echo "log { source($from); filter($filter); destination($dest); };" \ - >> /etc/syslog-ng.conf - fi - fi - elif [ -n "$source" ]; then - if [ -n "$from" ]; then - sed -i \ - "/source/{ :a /}/! { N; ba }; s:\(source[[:space:]]*$from[[:space:]]*{.*\)\([[:space:]]\+}[[:space:]]*;\):\1 unix-stream (\"$source\"); };: }" \ - /etc/syslog-ng.conf - fi - fi - [ -f "/etc/rc.d/init.d/syslog-ng" ] && service syslog-ng condrestart -fi - -exit 0 +sub add_syslogng_facility { + my ($package, $source, $dest, $facility, $min, $max) = @_; + + # read it first to check its content + my ($source_id, $destination_id, $facility_id, $level_id); + my $level = $min eq $max ? $max : "$min..$max"; + open(my $fh, '<', '/etc/syslog-ng.conf') + or die "Can't open /etc/syslog-ng.conf for reading: $!"; + + while (my $line = <$fh>) { + if ($line =~ /^source \s+ (\S+) \s+ {/x) { + # source block + my $id = $1; + SOURCE: + while (1) { + if ($line =~ /(?:unix-stream|file) \s* \( (["']) ([^\1]+) \1/x) { + my $value = $2; + $source_id = $id if $source eq $value; + } + last SOURCE if $line =~ /};/; + $line = <$fh>; + last SOURCE if !$line; + } + } elsif ($line =~ /^destination \s+ (\S+) \s+ {/x) { + # destination block + my $id = $1; + DESTINATION: + while (1) { + if ($line =~ /file \s* \( (["']) ([^\1]+) \1/x) { + my $value = $2; + $destination_id = $id if $dest eq $value; + } + last DESTINATION if $line =~ /};/; + $line = <$fh>; + last DESTINATION if !$line; + } + } elsif ($line =~ /^filter \s+ (\S+) \s+ {/x) { + # filter block + my $id = $1; + FILTER: + while (1) { + if ($line =~ /facility \s* \( ([^)]+) \)/x) { + my $value = $1; + $facility_id = $id if $facility eq $value; + } + if ($line =~ /level \s* \( ([^)]+) \)/x) { + my $value = $1; + $level_id = $id if $level eq $value; + } + last FILTER if $line =~ /};/; + $line = <$fh>; + last FILTER if !$line; + } + } + print $line; + } + close($fh); + + # then append what is needed + open(my $out, '>>', '/etc/syslog-ng.conf') + or die "Can't open /etc/syslog-ng.conf for appending: $!"; + + print $out "# Automatically added by $package installation\n"; + if (!$source_id) { + $source_id = 's_' . $package; + print $out "source $source_id { unix-stream('$source'); };\n"; + } + if (!$destination_id) { + $destination_id = 'd_' . $package; + print $out "destination $destination_id { file('$dest'); };\n"; + } + if (!$facility_id) { + $facility_id = 'f_facility_' . $package; + print $out "filter $facility_id { facility($facility); };\n"; + } + if (!$level_id) { + $level_id = 'f_level_' . $package; + print $out "filter $level_id { facility($level); };\n"; + } + print $out "log { source($source_id);" . + " filter($facility_id);" . + " filter($level_id);" . + " destination($destination_id); };\n"; + close($out); + + # relaunch syslog-ng + system(qw/service syslog-ng condrestart/); +} |