src/thttpd-2.27/extras/syslogtocern

   1 #!/bin/sh
   2 #
   3 # syslogtocern - convert thttpd syslog entries into CERN Combined Log Format
   4 #
   5 # Copyright © 1995,1998 by Jef Poskanzer <jef@mail.acme.com>.
   6 # All rights reserved.
   7 #
   8 # Redistribution and use in source and binary forms, with or without
   9 # modification, are permitted provided that the following conditions
  10 # are met:
  11 # 1. Redistributions of source code must retain the above copyright
  12 #    notice, this list of conditions and the following disclaimer.
  13 # 2. Redistributions in binary form must reproduce the above copyright
  14 #    notice, this list of conditions and the following disclaimer in the
  15 #    documentation and/or other materials provided with the distribution.
  16 #
  17 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20 # ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27 # SUCH DAMAGE.
  28
  29 if [ $# -lt 1 ] ; then
  30     echo "usage:  $0 logfile ..." >&2
  31     exit 1
  32 fi
  33
  34 tmp1=/tmp/stc1.$$
  35 rm -f $tmp1
  36
  37 # Gather up all the thttpd entries.
  38 egrep -h ' thttpd\[' "$@" > $tmp1
  39
  40 # Figure out the current year - it's not in syslog's output.  Some versions
  41 # of date have the %Y directive to give the full four-digit year, but others
  42 # only have %y.
  43 year=`date +%y`
  44 if [ $year -gt 70 ] ; then
  45     year=19$year
  46 else
  47     year=20$year
  48 fi
  49
  50 # If the current year isn't the year that the logfile was generated, we need
  51 # to fix it.  This will most likely happen once a year, when this script is
  52 # run on January 1st for December 31st's logfile.  So, if the current month
  53 # is January and there are December dates in the log file, we subtract one.
  54 # This should cover most cases.
  55 if [ `date +%m` -eq 1 -a `head -1 $tmp1 | awk '{print $1}'` = "Dec" ] ; then
  56     year=`echo $year - 1 | bc`
  57 fi
  58
  59 # Do access_log.
  60 awk < $tmp1 '{if ( NF >= 15 && $7 == "-" && $12 >= 100 && $12 < 510) print;}' |
  61   sed -e "s,\([A-Z][a-z][a-z]\) \([0-9 ][0-9]\) \([0-9][0-9]:[0-9][0-9]:[0-9][0-9]\) [^ ]* thttpd\[[0-9]*\]: \([^ ]* [^ ]* [^ ]*\) \(.*\),\4 [\2/\1/${year}:\3] \5," -e 's,\[ ,[0,' > access_log
  62
  63 # Do error_log.
  64 awk < $tmp1 '{if ( ! ( NF >= 15 && $7 == "-" && $12 >= 100 && $12 < 510) ) print;}' |
  65   sed -e "s,\([A-Z][a-z][a-z] [0-9 ][0-9] [0-9][0-9]:[0-9][0-9]:[0-9][0-9]\) [^ ]* thttpd\[[0-9]*\]: \(.*\),[\1 ${year}] \2," > error_log
  66
  67 # Done.
  68 rm -f $tmp1