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Annotation of embedaddon/thttpd/extras/syslogtocern, revision 1.1.1.1

1.1       misho       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