X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=src%2Fsrc%2Fexicyclog.src;h=20bf9fcd4ead3f9262bc73896fd18cf32aafc3bf;hp=4762f21f796e43905472f53c973be91e611ac231;hb=260958d632506e2789fc632381f560f5a0c77ed7;hpb=059ec3d9952740285fb1ebf47961b8aca2eb1b4a diff --git a/src/src/exicyclog.src b/src/src/exicyclog.src index 4762f21f7..20bf9fcd4 100644 --- a/src/src/exicyclog.src +++ b/src/src/exicyclog.src @@ -1,9 +1,12 @@ #! /bin/sh -# $Cambridge: exim/src/src/exicyclog.src,v 1.1 2004/10/07 10:39:01 ph10 Exp $ -# Copyright (c) 2004 University of Cambridge. +# Copyright (c) University of Cambridge, 1995 - 2015 # See the file NOTICE for conditions of use and distribution. +# This script takes the following command line arguments: +# -l dir Log file directory +# -k days Number of days to keep the log files + # Except when they appear in comments, the following placeholders in this # source are replaced when it is turned into a runnable script: # @@ -16,6 +19,8 @@ # COMPRESS_SUFFIX # CHOWN_COMMAND # CHGRP_COMMAND +# CHMOD_COMMAND +# TOUCH_COMMAND # MV_COMMAND # RM_COMMAND @@ -24,8 +29,10 @@ # This is a shell script for cycling exim main and reject log files. Each time # it is run, the files get "shuffled down" by one, the current one (e.g. # mainlog) becoming mainlog.01, the previous mainlog.01 becoming mainlog.02, -# and so on, up to the limit configured here. The same happens to the reject -# logs. All those with numbers greater than 1 are compressed. +# and so on, up to the limit configured here. When the number to keep is +# greater than 99 (not common, but some people do it), three digits are used +# (e.g. mainlog.001). The same shuffling happens to the reject logs. All +# renamed files with numbers greater than 1 are compressed. # This script should be called regularly (e.g. daily) by a root crontab # entry of the form @@ -36,27 +43,52 @@ # this source is built into a script, but you can subsequently edit them # without rebuilding things, as long are you are careful not to overwrite # the script in the next Exim rebuild/install. "Keep" is the number of old log -# files that are required to be kept. "Compress" and "suffix" define your -# chosen compression method. The others are provided because the location -# of certain commands varies from OS to OS. Sigh. +# files that are required to be kept. Its value can be overridden by the -k +# command line option. "Compress" and "suffix" define your chosen compression +# method. The others are provided because the location of certain commands +# varies from OS to OS. Sigh. keep=EXICYCLOG_MAX compress=COMPRESS_COMMAND suffix=COMPRESS_SUFFIX -chown=CHOWN_COMMAND chgrp=CHGRP_COMMAND +chmod=CHMOD_COMMAND +chown=CHOWN_COMMAND mv=MV_COMMAND rm=RM_COMMAND +touch=TOUCH_COMMAND # End of editable lines ######################################################################### +# Sort out command line options. + +while [ $# -gt 0 ] ; do + case "$1" in + -l) log_file_path=$2 + shift + ;; + -k) keep=$2 + shift + ;; + --version) + echo "`basename $0`: $0" + echo "build: EXIM_RELEASE_VERSIONEXIM_VARIANT_VERSION" + exit 0 + ;; + *) echo "** exicyclog: unknown option $1" + exit 1 + ;; + esac + shift +done + # Some operating systems have different versions in which the commands live # in different places. We have a fudge that will search the usual suspects if # requested. -for cmd in chown chgrp mv rm ; do +for cmd in chgrp chmod chown mv rm touch; do eval "oldcmd=\$$cmd" if [ "$oldcmd" != "look_for_it" ] ; then continue ; fi newcmd=$cmd @@ -110,16 +142,20 @@ done # Determine if the log file path is set, and where the spool directory is. # Search for an exim_path setting in the configure file; otherwise use the bin # directory. Call that version of Exim to find the spool directory and log file -# path. BEWARE: a tab character is needed in the command below. It has had a -# nasty tendency to get lost in the past. Use a variable to hold a space and a -# tab to keep the tab in one place. +# path, unless log_file_path was set above by a command line option. BEWARE: a +# tab character is needed in the command below. It has had a nasty tendency to +# get lost in the past. Use a variable to hold a space and a tab to keep the +# tab in one place. st=' ' exim_path=`grep "^[$st]*exim_path" $config | sed "s/.*=[$st]*//"` if test "$exim_path" = ""; then exim_path=BIN_DIRECTORY/exim; fi spool_directory=`$exim_path -C $config -bP spool_directory | sed 's/.*=[ ]*//'` -log_file_path=`$exim_path -C $config -bP log_file_path | sed 's/.*=[ ]*//'` + +if [ "$log_file_path" = "" ] ; then + log_file_path=`$exim_path -C $config -bP log_file_path | sed 's/.*=[ ]*//'` +fi # If log_file_path contains only "syslog" then no Exim log files are in use. # We can't cycle anything. Complain and give up. @@ -137,25 +173,36 @@ fi log_file_path=`echo "$log_file_path" | \ sed 's/^ *:\{0,1\} *syslog *:\{0,1\} *//;s/: *syslog *:/:/;s/: *syslog *$//'` -# If log_file_path is empty, then the logs we are interested in are called -# "mainlog" and "rejectlog" in the directory called "log" in the spool -# directory. Otherwise we fish out the directory from the given path, and -# also the names of the logs. +# If log_file_path is empty, try and get the compiled in default by using +# /dev/null as the configuration file. + +if [ "$log_file_path" = "" ]; then + log_file_path=`$exim_path -C /dev/null -bP log_file_path | sed 's/.*=[ ]*//'` + log_file_path=`echo "$log_file_path" | \ + sed 's/^ *:\{0,1\} *syslog *:\{0,1\} *//;s/: *syslog *:/:/;s/: *syslog *$//'` +fi + +# If log_file_path is still empty, the logs we are interested in are probably +# called "mainlog" and "rejectlog" in the directory called "log" in the spool +# directory. Otherwise we fish out the directory from the given path, and also +# the names of the logs. if [ "$log_file_path" = "" ]; then logdir=$spool_directory/log mainlog=mainlog rejectlog=rejectlog + paniclog=paniclog else logdir=`echo $log_file_path | sed 's?/[^/]*$??'` logbase=`echo $log_file_path | sed 's?^.*/??'` mainlog=`echo $logbase | sed 's/%s/main/'` rejectlog=`echo $logbase | sed 's/%s/reject/'` + paniclog=`echo $logbase | sed 's/%s/panic/'` fi # Get into the log directory to do the business. -cd $logdir +cd $logdir || exit 1 # If there is no main log file, do nothing. @@ -190,23 +237,33 @@ $b # Now do the job. First remove the files that have "fallen off the bottom". # Look for both the compressed and uncompressed forms. -if [ $keep -lt 10 ]; then keept=0$keep; else keept=$keep; fi; +if [ $keep -lt 10 ]; then rotation=0$keep; else rotation=$keep; fi; + +if [ -f $mainlog.$rotation ]; then $rm $mainlog.$rotation; fi; +if [ -f $mainlog.$rotation.$suffix ]; then $rm $mainlog.$rotation.$suffix; fi; -if [ -f $mainlog.$keept ]; then $rm $mainlog.$keept; fi; -if [ -f $mainlog.$keept.$suffix ]; then $rm $mainlog.$keept.$suffix; fi; +if [ -f $rejectlog.$rotation ]; then $rm $rejectlog.$rotation; fi; +if [ -f $rejectlog.$rotation.$suffix ]; then $rm $rejectlog.$rotation.$suffix; fi; -if [ -f $rejectlog.$keept ]; then $rm $rejectlog.$keept; fi; -if [ -f $rejectlog.$keept.$suffix ]; then $rm $rejectlog.$keept.$suffix; fi; +if [ -f $paniclog.$rotation ]; then $rm $paniclog.$rotation; fi; +if [ -f $paniclog.$rotation.$suffix ]; then $rm $paniclog.$rotation.$suffix; fi; # Now rename all the previous old files by increasing their numbers by 1. # When the number is less than 10, insert a leading zero. count=$keep -if [ $count -lt 10 ]; then countt=0$count; else countt=$count; fi; +if [ $count -lt 10 ]; then countt=0$count; else countt=$count; fi while [ $count -gt 1 ]; do - old=`expr $count - 1` - if [ $old -lt 10 ]; then oldt=0$old; else oldt=$old; fi; + old=`expr -- $count - 1` + if [ $keep -gt 99 ]; then + if [ $old -lt 10 ]; then oldt=00$old + elif [ $old -lt 100 ]; then oldt=0$old + else oldt=$old + fi + else + if [ $old -lt 10 ]; then oldt=0$old; else oldt=$old; fi; + fi if [ -f $mainlog.$oldt ]; then $mv $mainlog.$oldt $mainlog.$countt elif [ -f $mainlog.$oldt.$suffix ]; then @@ -217,29 +274,63 @@ while [ $count -gt 1 ]; do elif [ -f $rejectlog.$oldt.$suffix ]; then $mv $rejectlog.$oldt.$suffix $rejectlog.$countt.$suffix fi + if [ -f $paniclog.$oldt ]; then + $mv $paniclog.$oldt $paniclog.$countt + elif [ -f $paniclog.$oldt.$suffix ]; then + $mv $paniclog.$oldt.$suffix $paniclog.$countt.$suffix + fi count=$old countt=$oldt done -# Now rename the current files as 01 +# Now rename the current files as 01 or 001 if keeping more than 99 + +if [ $keep -gt 99 ]; then first=001; else first=01; fi + +# Grab our pid ro avoid race in file creation +ourpid=$$ if [ -f $mainlog ]; then - $mv $mainlog $mainlog.01 - $chown $user:$group $mainlog.01 + $mv $mainlog $mainlog.$first + $chown $user:$group $mainlog.$first + $touch $mainlog.$ourpid + $chown $user:$group $mainlog.$ourpid + $chmod 640 $mainlog.$ourpid + $mv $mainlog.$ourpid $mainlog fi if [ -f $rejectlog ]; then - $mv $rejectlog $rejectlog.01 - $chown $user:$group $rejectlog.01 + $mv $rejectlog $rejectlog.$first + $chown $user:$group $rejectlog.$first + $touch $rejectlog.$ourpid + $chown $user:$group $rejectlog.$ourpid + $chmod 640 $rejectlog.$ourpid + $mv $rejectlog.$ourpid $rejectlog fi -# Now scan the 02 and later files, compressing where necessary, and +if [ -f $paniclog ]; then + $mv $paniclog $paniclog.$first + $chown $user:$group $paniclog.$first + $touch $paniclog.$ourpid + $chown $user:$group $paniclog.$ourpid + $chmod 640 $paniclog.$ourpid + $mv $paniclog.$ourpid $paniclog +fi + +# Now scan the (0)02 and later files, compressing where necessary, and # ensuring that their owners and groups are correct. count=2; while [ $count -le $keep ]; do - if [ $count -lt 10 ]; then countt=0$count; else countt=$count; fi + if [ $keep -gt 99 ]; then + if [ $count -lt 10 ]; then countt=00$count + elif [ $count -lt 100 ]; then countt=0$count + else countt=$count + fi + else + if [ $count -lt 10 ]; then countt=0$count; else countt=$count; fi + fi if [ -f $mainlog.$countt ]; then $compress $mainlog.$countt; fi if [ -f $mainlog.$countt.$suffix ]; then $chown $user:$group $mainlog.$countt.$suffix @@ -248,7 +339,12 @@ while [ $count -le $keep ]; do if [ -f $rejectlog.$countt.$suffix ]; then $chown $user:$group $rejectlog.$countt.$suffix fi - count=`expr $count + 1` + if [ -f $paniclog.$countt ]; then $compress $paniclog.$countt; fi + if [ -f $paniclog.$countt.$suffix ]; then + $chown $user:$group $paniclog.$countt.$suffix + fi + + count=`expr -- $count + 1` done # End of exicyclog