diff options
Diffstat (limited to 'del-syslog')
| -rwxr-xr-x | del-syslog | 303 |
1 files changed, 303 insertions, 0 deletions
diff --git a/del-syslog b/del-syslog new file mode 100755 index 0000000..4e67c85 --- /dev/null +++ b/del-syslog @@ -0,0 +1,303 @@ +#!/bin/sh +#--------------------------------------------------------------- +# Project : Mandriva Linux +# Module : rpm-helper +# File : del-syslog +# Version : 1 +# Author : Herton Ronaldo Krzesinski +# Thanks for Aurélio Marinho Jargas for +# helping me out with sed expressions, +# my first expressions were very slow to +# execute, parsing block oriented config files +# isn't very simple with line oriented tools +# like grep or sed +# Created On : Fri Jul 22 20:25:36 2005 +# Modified On : Wed Aug 03 14:29:14 2005 +# Purpose : helper script for rpm scriptlets to del a +# entry filter for software from package into +# syslog (supported sysklogd and syslog-ng). +#--------------------------------------------------------------- + +if [ $# -lt 6 ]; then + echo "usage: $0 <pkg name> <num installed> <source> <facility> <level> <log file>" 1>&2 + exit 1 +fi + +priority_order="debug info notice warn,warning err,error crit alert emerg,panic" + +_del_source_sed() { + +cat << EOF +/^[[:space:]]*source/ { + :ini + /}/! { + N + b ini + } + s#[[:space:]]*unix-stream[[:space:]]*([[:space:]]*"\?$2"\?[[:space:]]*)[[:space:]]*\;##g + /[[:space:]]*source[[:space:]]*$1[[:space:]]*{[[:space:]]*}[[:space:]]*\;/d +} +EOF + +} + +delete_source() { + +local name=$1 +local sourcefile=$2 +_del_source_sed $name $sourcefile | sed -i -f - /etc/syslog-ng.conf + +} + +_del_destination_sed() { + +# argh: \\\ escape sequence because of shell +hdl=`echo $2 | sed 's#/#\\\/#g'` +cat << EOF +/^[[:space:]]*destination[[:space:]]\+$1/ { + :ini + /}/! { + N + b ini + } + /file[[:space:]]*([[:space:]]*"\?$hdl"\?[[:space:]]*)/d +} +EOF + +} + +delete_destination() { + +local name=$1 +local file=$2 +_del_destination_sed $name $file | sed -i -f - /etc/syslog-ng.conf + +} + +_del_filter_sed() { + +cat << EOF +/^[[:space:]]*filter[[:space:]]\+$1/ { + :ini + /}/! { + N + b ini + } + /facility[[:space:]]*([[:space:]]*"\?$2"\?[[:space:]]*)/ { + /level[[:space:]]*([[:space:]]*"\?$3"\?[[:space:]]*)/d + } +} +EOF + +} + +delete_filter() { + +local name=$1 +local facility=$2 +local level=$3 +_del_filter_sed $name $facility $level | sed -i -f - /etc/syslog-ng.conf + +} + +_del_log_sed() { + +cat << EOF +/^[[:space:]]*log/{ + :ini + /}/! { + N + b ini + } + /source[[:space:]]*([[:space:]]*"\?$1"\?[[:space:]]*)/ { + /filter[[:space:]]*([[:space:]]*"\?$2"\?[[:space:]]*)/ { + /destination[[:space:]]*([[:space:]]*"\?$3"\?[[:space:]]*)/d + } + } +} +EOF + +} + +delete_log() { + +local source=$1 +local filter=$2 +local destination=$3 +_del_log_sed $source $filter $destination | sed -i -f - /etc/syslog-ng.conf + +} + +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 a range was specified before, + # delete it +logfile=$7 # log file, like /var/log/messages + +# Don't remove entry on package updates +if [ "$num" -ne 0 ]; then + return 0 +fi + +# Just ignore if it's default unix domain socket +[ "$source" = "/dev/log" ] && source="" || : + +# Handle level ranges +if [ -z "$level_begin" -a -n "$level_end" ]; then + level_begin=`echo $priority_order | cut -d " " -f 1` +elif [ -n "$level_begin" -a -z "$level_end" ]; then + level_end=$level_begin +fi +if [ "$level_begin" = "debug" -a "$level_end" = "*" -o "$level_begin" = "*" -a "$level_end" = "emerg" ]; then + level_begin="*" + level_end="*" +elif [ "$level_begin" = "debug" -a "$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" +fi + +# sysklogd handler +if [ -f /etc/syslog.conf ]; then + if [[ -n "$source" ]] && sed "s/#.*$//g" /etc/sysconfig/syslog | grep -q "$source"; then + source /etc/sysconfig/syslog + SYSLOGD_OPTIONS=`echo $SYSLOGD_OPTIONS | sed "s:[[:space:]]\+-a[[:space:]]\+$source::g"` + sed -i -e :a -e \ + "s:SYSLOGD_OPTIONS=\"[^\"]*\":SYSLOGD_OPTIONS=\"$SYSLOGD_OPTIONS\":g;/SYSLOGD_OPTIONS/N;//ba" \ + /etc/sysconfig/syslog + fi + if [ -n "$facility" -a -n "$level_begin" -a -n "$logfile" ]; then + lvl_begin=$level_begin + lvl_end=$level_end + if [ "$level_begin" = "*" -a "$level_end" = "*" -o \ + "$level_begin" = "debug" -a "$level_end" = "emerge" -o "$level_end" = "panic" ]; then + lnum=`grep -n "$logfile" /etc/syslog.conf | sed "s/#.*$//g" | grep "$facility\.\*" | cut -d ":" -f 1`; + [ -n "$lnum" ] && sed -i "${lnum}d;" /etc/syslog.conf || : + lvl_begin=debug + lvl_end=emerg + fi + levels=`echo $priority_order | sed -n "s:\([^[:space:]]*$lvl_begin.*\):\1:p"` + levels=`echo $levels | sed -n "s:\(.*$lvl_end[^[:space:]]*\):\1:p"` + levels=`echo $levels | sed 's:,: :g'` + for level in $levels; do + LNUM="" + for lnum in `grep -n "$logfile" /etc/syslog.conf | sed "s/#.*$//g" | grep "$facility" | grep "$level" | cut -d ":" -f 1`; do + [ -n "$lnum" ] && LNUM="${LNUM}${lnum}d;" || : + done + [ -n "$LNUM" ] && sed -i "$LNUM" /etc/syslog.conf || : + done + fi +fi + +# syslog-ng handler +# Thanks for Aurélio Marinho Jargas for helping me out with sed +# expressions, my first expressions were very slow to execute, parsing +# block oriented config files isn't very simple with line oriented tools +# like grep or sed +if [ -f /etc/syslog-ng.conf ]; then + # First, make sure each directive is placed at each line, + # eg.: if we have to log directives on the same line (like + # "log { ... }; log { ... };" place them in separate lines to + # make file look better and make parsing easier + sed -i \ + -e ':ini' \ + -e 's/}; *\(\(source\|destination\|filter\|log\).*\)/}\n\1/;t ini' \ + /etc/syslog-ng.conf + + config=`sed "s/#.*$//g" /etc/syslog-ng.conf` + if [ -n "$source" ]; then + from=`echo $config | sed -n "s:\(.*source[[:space:]]\+\)\([[:alnum:]]\+\)\(.*$source.*\):\2:p"` + delete_source $pkg $source + else + from=`echo $config | sed -n "s:\(.*source[[:space:]]\+\)\([[:alnum:]]\+\)\(.*/dev/log.*\):\2:p"` + fi + + for level in $priority_order; do + if echo $level | grep -q $level_begin; then + lvl=`echo $level | sed "s:,: :"` + c=0 + for depr in $lvl; do + lvl_start[$c]=$depr + let c=c+1 + done + fi + if echo $level | grep -q $level_end; then + lvl=`echo $level | sed "s:,: :"` + c=0 + for depr in $lvl; do + lvl_end[$c]=$depr + let c=c+1 + done + fi + done + + # We must test all possibilities for the given range, as also + # test for deprecated name levels. + if [ "${lvl_start[0]}" = "${lvl_end[0]}" -o "${lvl_start[0]}" = "${lvl_end[1]}" ]; then + lvl_range[0]="${lvl_start[0]}" + lvl_range[1]="${lvl_end[0]}" + lvl_label[0]="${lvl_start[0]}" + lvl_label[1]="${lvl_end[0]}" + else + if [ -n "${lvl_start[0]}" -a -n "${lvl_end[0]}" ]; then + lvl_range[0]="${lvl_start[0]}..${lvl_end[0]}" + lvl_label[0]="${lvl_start[0]}_${lvl_end[0]}" + fi + if [ -n "${lvl_start[0]}" -a -n "${lvl_end[1]}" ]; then + lvl_range[1]="${lvl_start[0]}..${lvl_end[1]}" + lvl_label[1]="${lvl_start[0]}_${lvl_end[1]}" + fi + if [ -n "${lvl_start[1]}" -a -n "${lvl_end[0]}" ]; then + lvl_range[2]="${lvl_start[1]}..${lvl_end[0]}" + lvl_label[2]="${lvl_start[1]}_${lvl_end[0]}" + fi + if [ -n "${lvl_start[1]}" -a -n "${lvl_end[1]}" ]; then + lvl_range[3]="${lvl_start[1]}..${lvl_end[1]}" + lvl_label[3]="${lvl_start[1]}_${lvl_end[1]}" + fi + fi + + # Remove destination + i=0 + while [ "$i" -lt 4 -a -n "$logfile" ]; do + if [ -n "${lvl_label[$i]}" ]; then + delete_destination ${pkg}_${lvl_label[$i]} $logfile + fi + let i=i+1 + done + + # Remove filter + i=0 + while [ "$i" -lt 4 -a -n "$facility" ]; do + j=0 + while [ "$j" -lt 4 -a -n "${lvl_range[$i]}" ]; do + if [ -n "${lvl_label[$j]}" ]; then + delete_filter f_${pkg}_${lvl_label[$j]} $facility ${lvl_range[$i]} + fi + let j=j+1 + done + let i=i+1 + done + + # Remove log directive + if [ -n "$from" ]; then + i=0 + while [ "$i" -lt 4 ]; do + j=0 + while [ "$j" -lt 4 -a -n "${lvl_label[$i]}" ]; do + if [ -n "${lvl_label[$j]}" ]; then + delete_log $from f_${pkg}_${lvl_label[$i]} ${pkg}_${lvl_label[$j]} + fi + let j=j+1 + done + let i=i+1 + done + fi +fi |