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Most recent revision: December 15, 2018 by Jeff Gordon
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Yours is the #!/usr/bin/perl use lib '/web/cgi'; #use GD; # cgi-bin access counter program # Version 4.0.7 # # Copyright (C) 1995 George Burgyan # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or (at # your option) any later version. # # This program is distributed in the hope that it will be useful, but # WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # General Public License for more details. # # A full copy of the GNU General Public License can be retrieved from # http://www.webtools.org/counter/copying.html # # gburgyan@webtools.org # # George Burgyan # 1380 Dill Road # South Euclid, OH 44121 # # For more information look at http://www.webtools.org/counter/ ######################################################################## # # CHANGE THESE TO SUIT YOUR SITE # # The default language option (english, french, swedish) $default_lang = "english"; # The name of the file to use. You should probably give this an absolute path $FileName = "../counters/access_count"; # # Replace with a list of regular expression IP addresses that we # are supposed to ignore. If you don't know what this means, just use # "\." instead of periods. Comment out entirely to ignore nothing. #@IgnoreIP = ("199\.18\.203\..*", # "199\.18\.159\.1", # ); # Aliases: Set this up so that diffent pages will all yield the same # count. For instance, if you have a link like "index.html -> home.html" # set it up like ("/index.html", "/home.html"). Make sure you give a full # path to it. This will treat "/index.html" as if it were "/home.html". %Aliases = ("/netscout.html","/scout/netscout.html", "/nowscout.html","/scout/nowscout.html", "/millenscout.html","/scout/millenscout.html", "/wisdom.html","/scout/wisdom.html", "/applied.html","/scout/applied.html", "/orsa.html","/scout/orsa.html"); # AUTOMATICALLY SET BY INSTALL!! Modify only if necessary!!! # # BaseName: set to whatever you have counter installed as. This is # used to derive the arguments. No not touch the next comment. ### AUTOMAGIC ### $BaseName = "counter4"; # counter or counterbanner or counterfiglet # # Outputs the number of times a specific page has been accessed. # The output depends on which page 'called' it, and what the program # is named: # # The counter can "take arguments" via its name. That is, if you tack # -arg to the end of the program name, -arg is taken to be an argument. # For example, if you call the counter 'counter-ord', '-ord' is considered # an argument, and an ordinal count (1st, 2nd, 3rd, ...) will be printed # instead of (1, 2, 3, ...). Note that counterord does the same thing as # counter-ord for backward compatibility. # # Currently recognized arguments: # # -f=font sets "font" to be the font for figlet # -lang=lang sets the language used to ordinalize to "lang" # -nc no count; don't to write the incremented count back to the file # -nl no link; don't automatically generate a link # -nd no display; don't display anything, just count # -ord make an ordinal count instead of regular # -doc=document override the DOCUMENT_URI environment variable # # Example: counterfiglet-ord-f=bigfont-nc # # This will cause the counter to call figlet as the output routine, printing # in a big font an ordinal count, without updating the access count file. # Note that the order of arguments is irrelevant so long as you spell the # file name correctly. It is generally assumed that the ability to take # different arguments/use different output routines is done with symlinks: # i.e. ln -s counter counterfiglet-ord-f=bigfont-nc # # More complete documentation can be found at # http://www.webtools.org/counter/ # ######################################################################## # # Thing that shouldn't really need changing, but are configurable anyway. # # Maximum number of times to try to lock the file. # Each try is .1 second. Try for 1 second. $MaxTries = 10; # Set this to point to something, or comment it out, and it # won't be a link at all. #$Link = "http://www.webtools.org/counter/"; # Whether or not to use locking. If perl complains that flock is not # defined, change this to 0. Not *really* necessary because we check # to make sure it works properly. $UseLocking = 0; # What version of the counter file format are we using? $FileVersion = "02.000"; # Common names of the counter to install... @CommonExtensions = ("-ord", # Ordinam "figlet", # Figlet'ed "figlet-ord",# Ordinal figlet "banner", # Bannered "banner-ord",# Ordinal banner ); # ######################################################################### # # Misc documents to refer people to in case of errors. # $CreateFile = "[Error Creating Counter File -- Click for more info]"; $AccessRights = "[Error Opening Counter File -- Click for more info]"; $TimeoutLock = "[Timeout locking counter file]"; $BadVersion = "[Version access_count newer than this program. Please upgrade.]"; ######################################################################### # # The actual program! ### Stage 1 ### ### Parse the arguments... (just ignore this part) # Get arguments from program name. Argh...what a horrible way to do it! $prog = $0; $prog =~ s/(\.cgi|\.pl)//; #strip .cgi|.pl name extension $prog =~ s!^(.*/)!!; # separate program name $prog =~ s/\\(.)/sprintf("%%%02x", ord($1))/ge; # quote \c to %xx ($printer, @args) = split(/-/, $prog); # args are separated by dashes $printer =~ s/%(..)/pack("c", hex($1))/ge; # unquote printer function name $printer =~ s/$BaseName/counter4/; # Make it cannonical. # This gets path info, which is only applicable if you are using our # ssis script (see above). This makes counter/ord the same as counter-ord push(@args, split("/", $ENV{"PATH_INFO"})) if $ENV{"PATH_INFO"}; # put them in assoc array %arg foreach (@args) # means do this for each element in the array { s/%(..)/pack("c", hex($1))/ge; # unquote %xx /^([^=]*)=?(.*)$/; # extract "=" part, if any $arg{$1} = $2 ? $2 : 1; } if ($ARGV[0] eq '-install') { &CheckPerl; &SetBaseName; &MakeCommon(0); exit(0); } if ($ARGV[0] eq '-installforce') { &CheckPerl; &SetBaseName; &MakeCommon(1); exit(0); } if ($ARGV[0] eq '-unlock') { open(FILE,"$FileName"); &UnlockFile(FILE); exit(0); } undef $Link if $arg{'nl'}; # make link? ### Stage 2 ### ### Print out the header # Print out the header print "Content-type: text/html\n\n"; #print "Debug 1: $ConfName
Debug 2: $FileName"; ### Stage 3 ### ### Open the access_count file for read-write taking all the precautions # Make sure the file exists: if (!(-f $FileName)) { if (!open (COUNT,">$FileName")) { # Can't create the file print $CreateFile; exit 1; } else { # We got the file, print out the version number print COUNT "$FileVersion\n"; $version = 2; } } else { if (!((-r $FileName) && (-w $FileName))) { # Make sure that we can in fact read and write to the file in # question. If not, direct them to the FAQ. print $AccessRights; exit 1; } if (!open (COUNT,"+<$FileName")) { # Now make sure it *really* opens print $AccessRights; # ...just in case... exit 1; } # Try to read in a version number $version = ; if (!($version =~ /^\d+.\d+$/)) { # No version number, assume version 1 and reset the file. $version = 1; seek(COUNT,0,0); } } # This is for the future: the access_count file will have a version number. if ($version > 2) { print $BadVersion; exit 1; } ### Stage 4 ### ### Attempt to lock the file $lockerror = &LockFile(COUNT); # You would figure that $MaxTries would equal 0 if it didn't work. The # post-decrement takes it to -1 when the loop finally exits. if ($lockerror) { print $TimeoutLock; exit(0); } ### Stage 5 ### ### Check if we need to update the file to a newer version if ($version < 2) { &UpdateVersion1; } ### Stage 6 ### ### Convert the information the server gave us into the document ### identifier. # Make sure perl doesn't spit out warnings... if (defined $ENV{'DOCUMENT_URI'}) { $doc_uri = $ENV{'DOCUMENT_URI'}; } else { $doc_uri = ""; } # Campatibility: Version 2 files have the server name in front if and # only if it doesn't have a "~" in it. $old_uri = $doc_uri; # Add the server name in front to support multi-homed hosts if and only if # it doesn't have a "~" in it. (usernames are global in most multi-homed # settings if (defined $ENV{'SERVER_NAME'} && !($doc_uri =~ /~/)) { $doc_uri = $ENV{'SERVER_NAME'} . "/" . $doc_uri; } if (defined $arg{'doc'}) { $doc_uri = $arg{'doc'}; } $doc_uri = $Aliases{$doc_uri} if defined $Aliases{$doc_uri}; ### Stage 7 ### ### Find the relevant place in the file $location = tell COUNT; while ($line = ) { # Read the file line-by-line. if (($uri,$accesses) = ($line =~ /^'(\S*)' (\d\d\d\d\d\d\d\d\d\d)$/)) { # An old line if ($uri eq $old_uri) { &ConvertDocV1($doc_uri,$old_uri,$accesses,$location); last; } } elsif (($uri,$accesses,$flags) = ($line =~ /^'(\S*)' (\d\d\d\d\d\d\d\d\d\d) (\w\w\w\w)$/)) { # A new line if ($uri eq $doc_uri) { $flags = hex($flags); last; } } last if ($uri eq $doc_uri); $location = tell COUNT; #reset the fields $accesses = 0; $flags = 0; } ### Stage 8 ### ### Update the access count of the file $accesses += 1; # *NOT* '++' because we don't want '++'s magic ### Stage 9 ### ### Figure out what to print out # If we have to ordinalize, do it now. if (defined $arg{'ord'}) { if (defined $arg{'lang'}) { $ord = eval("&ordinalize_$arg{lang}($accesses)"); } else { $ord = &ordinalize($accesses); } } else { $ord = ""; } $to_print = $accesses . $ord; # Give it to the printer function to actually produce the output from the # ascii text that we have (to_print) # ($count, $nLink) = eval("&output_$printer('$to_print')"); # If the above line gave us an error, default to just the text. #if ($@) { ($count, $nLink) = &output_counter($to_print); #} ### Stage 10 ### ### Now we actually tell the browser what the count is. if (! $arg{"nd"} ) { # If we print anything # Print out a link to something informative (if we were requested to) $script_name = $ENV{'SCRIPT_NAME'}; print "" if $nLink; #if ($script_name =~ /cgi-bin\/count(\w+)/) { # $img_dir = $1; # } # if ($img_dir ne "er") { &give_graphic } #else { print $count; print "" if $nLink; # } } sub give_graphic { @img_count = split(//,$count); foreach (@img_count) { print ""; }; } sub comment1 { # create a new image print "Content-type: image/gif\n\n"; $im = new GD::Image(100,100); # allocate some colors $white = $im->colorAllocate(255,255,255); $black = $im->colorAllocate(0,0,0); $red = $im->colorAllocate(255,0,0); $blue = $im->colorAllocate(0,0,255); # make the background transparent and interlaced $im->transparent($white); $im->interlaced('true'); # Put a black frame around the picture $im->rectangle(0,0,99,99,$black); # Draw a blue oval $im->arc(50,50,95,75,0,360,$blue); # And fill it with red $im->fill(50,50,$red); # Convert the image to GIF and print it on standard output print $im->gif; } ### Stage 11 ### ### Check if we are supposed to update the count in the file. (ie. we're ### not ignoring the host that just accessed us) # Make sure we are not ignoring the host: $ignore = 0; $ignore = grep($ENV{"REMOTE_ADDR"} =~ /$_/, @IgnoreIP) if defined ($ENV{"REMOTE_ADDR"}); $ignore = $ignore || $arg{"nc"}; ### Stage 12 ### ### Actually write the updated information back to the file if (!$ignore) # If we aren't ignoring this access { # Now update the counter file seek(COUNT, $location, 0); $longaccesses = sprintf("%010.10d", $accesses); $hexflags = sprintf("%04.4x", $flags); print COUNT "'$doc_uri' $longaccesses $hexflags\n"; } &UnlockFile(COUNT); close COUNT; ####################################################################### # # Support functions # # translate_output # # Quote any special characters with HTML quoting. sub translate_output { local($string) = @_; $_ = $string; s/è/è/g; return $_; } sub LockFile { local(*FILE) = @_; local($TrysLeft) = $MaxTries; if ($UseLocking) { # Try to get a lock on the file while ($TrysLeft--) { # Try to use locking, if it doesn't use locking, the eval would # die. Catch that, and don't use locking. # Try to grab the lock with a non-blocking (4) exclusive (2) lock. # (4 | 2 = 6) $lockresult = eval("flock(COUNT,6)"); if ($@) { $UseLocking = 0; last; } if (!$lockresult) { select(undef,undef,undef,0.1); # Wait for 1/10 sec. } else { last; # We have gotten the lock. } } } if ($TrysLeft >= 0) { # Success! return 0; } else { return -1; } } sub UnlockFile { local(*FILE) = @_; if ($UseLocking) { flock(FILE,8); # Unlock the file. } } #################################################################### # # Installation helpers # # SetBaseName # # Change the counter program itself to set the basename sub SetBaseName { local($name) = $0; $name =~ s/^.*\/([^\/]+)$/$1/; # Strip off any of the path if ($name eq $BaseName) { # The way we're set up now!!! return; # Don't need to change a thing. } if (!open(COUNTERFILE, "+<$0")) { print "Can't modify program. Set \$BaseName manually.\n"; return; } print "Configuring \$BaseName variable...\n"; local($oldsep) = $/; undef($/); local($program) = ; # The next line does all the magic. $program =~ s/\#\#\# AUTOMAGIC \#\#\#\n\$BaseName = \"[^\"]+\";\n/\#\#\# AUTOMAGIC \#\#\#\n\$BaseName = \"$name\";\n/; seek(COUNTERFILE,0,0) || return; truncate(COUNTERFILE,0); print COUNTERFILE $program; close COUNTERFILE; } # CheckPerl # # Make sure that the "#! /[path]/perl" points to something real... sub CheckPerl { if (!open(COUNTERFILE, "<$0")) { print "Can't check to make sure Perl is in the right place.\n"; return; } print "Checking to make sure Perl is found properly...\n"; $firstline = ; ($command) = ($firstline =~ /^\#! *([^\s]+) *$/); close(COUNTERFILE); if (! -x $command) { print "The location of Perl is misconfigured. Please edit the\n"; print "first line of this program to point to the locally installed\n"; print "copy of perl.\n\n"; print "Currently, it is configured to be \"$command\", however,\n"; print "that file either does not exist or is not a program.\n\n"; print "Some common locations for Perl are:\n"; print " /usr/bin/perl\n"; print " /usr/local/bin/perl\n"; print " /bin/perl\n"; print " /opt/gnu/bin/perl\n\n"; exit; } } # MakeCommon # # Make some common links to the counter sub MakeCommon { local($force) = @_; local($ext); print "Installing the counter...\n"; print " ...making counter executable\n"; chmod(0755,$0); local($path, $name, $cgi); $name = $0; if ($name =~ /^(.*\/)([^\/]+)$/) { $path = $1; $name = $2; } if ($name =~ /^(.*)(\.cgi)$/) { $name = $1, $cgi = $2; } foreach $ext (@CommonExtensions) { print " ...making link from $path$name$cgi to $path$name$ext$cgi\n"; if (!&MakeLink("$path$name$cgi","$path$name$ext$cgi",$force)) { # An error occured while making the link. :-( print " *** An error occured while making the link.\n"; } } if ($symlink_exists == 0 && $link_exists == 0) { print "* NOTE * Your system does not support symbolic or hard links,\n"; print " copies made instead. If you modify the counter, you must\n"; print " run counter -install again to recopy it to the other files.\n"; } print "...done!\n"; } # MakeLink # # Actually create the link. sub MakeLink { local($oldname,$newname,$force) = @_; # Check to see if we can make symbolic links instead of hard links if (!defined $symlink_exists) { $symlink_exists = (eval 'symlink("","");', $@ eq ''); } # Check to see if we can make a link if we can't make a symlink if (!symlink_exists) { $link_exists = (eval 'link("","");', $2 eq ''); } if ($force) { # Check to see if the file exists if (-e $newname) { if (!unlink ($newname)) { return 0; } } } if ($symlink_exists) { return symlink($oldname, $newname); } elsif ($link_exists) { return link($oldname, $newname); } else { # Copy it the old-fashioned way... *sigh* open(OLDFILE, $oldname) || die "Can't open $oldname for copy"; open(NEWFILE, ">$newname") || die "Can't open $newname for write"; while() { print NEWFILE $_; } close(NEWFILE); close(OLDFILE); } } #################################################################### # # Ordinalizing functions # # ordinalize # # Call the appropriate ordinalize function for the default language sub ordinalize { local($count) = @_; if (defined $arg{'lang'}) { return eval("&ordinalize_$arg{lang}($count)"); } else { return eval("&ordinalize_$default_lang($count)"); } } # ordinalize_english # # Figure out what suffix (st, nd, rd, th) a number would have in ordinal # form and return that extension. sub ordinalize_english { local($count) = @_; local($last, $last2); $last2 = $count % 100; $last = $count % 10; if ($last2 < 10 || $last2 > 13) { return "st" if $last == 1; return "nd" if $last == 2; return "rd" if $last == 3; } return "th"; # Catch "eleventh, twelveth, thirteenth" etc. } # ordinalize_french # # Trivial... Return the extension for french. The only exception is 1. # Thank you Chris Polewczuk sub ordinalize_french { local ($count) = @_; if ($count == 1) { return "'ière"; } else { return "ième"; } } # ordinalize_swedish # # A function to ordinalize in Swedish. Thanks go to Johan Linde # for the code! sub ordinalize_swedish { local($count) = @_; local($last, $last2); $last2 = $count % 100; $last = $count % 10; if ($last2 < 10 || $last2 > 12) { return ":a" if ($last == 1 || $last == 2); } return ":e"; } ######################################################################## # # Output functions # # The following are the routines that actually convert the number # of accesses into something that we print out. # # The name of each function is "output_" followed by the program's name. # For instance, is the program is called "counter" then "output_counter" # will be called; a program called "counterbanner" will call # "output_counterbanner" to get the output. # # If the function is not defined, then "output_counter" will be called. # # output_counter # # The simplest function: just returns the number of accesses and the link. sub output_counter { local($count) = @_; return &translate_output($count), $Link; # we return the count and the link } # output_counterord # # Return the number of accesses as an ordinal number. (ie. 1st, 2nd, 3rd, 4th) sub output_counterord { local($count) = @_; return &translate_output($count . &ordinalize($count)), $Link; } # output_counterbanner # # A somewhat silly one that uses the "banner" command to print out the # count. :) You might need to change the path to make it work. sub output_counterbanner { local($count) = @_; $banner = `banner $count`; return "
$banner
"; # return no link here (it would be annoying) } # output_counterfiglet # # An even sillier one than counterbanner. :) sub output_counterfiglet { local($count) = @_; $fig = "echo $count | /usr/games/figlet"; # setup command line $fig .= " -f $arg{'f'}" if $arg{"f"}; # use a different font? $fig = `$fig`; $fig =~ s!&!&!g; $fig =~ s!
" . $fig . "
"; # note no link here, either } ######################################################################### # # Conversion functions # # UpdateVersion # # Convert a version 1file into a version 2 file. sub UpdateVersion1 { local ($contents,$dummy); local ($oldsep) = $/; $/ = ""; seek(COUNT,0,0); # Go to the beginning of the file $contents = ; seek(COUNT,0,0); print COUNT "$FileVersion\n"; print COUNT $contents; seek(COUNT,0,0); $/ = $oldsep; $dummy = ; # Skip the new line } # ConvertDocV1 # # Convert the a version 1 line into a version 2 line sub ConvertDocV1 { local ($doc_uri,$old_uri,$accesses,$location) = @_; local ($contents,$dummy,$oldsep); $oldsep = $/; seek (COUNT,$location,0); # Skip the line in question $dummy = ; $/ = ""; # Read in the whole file $contents = ; seek (COUNT,$location,0); local ($longaccesses,$hexflags); $longaccesses = sprintf("%010.10d", $accesses); $hexflags = sprintf("%04.4x", $flags); # Print out the new stuff print COUNT "'$doc_uri' $longaccesses $hexflags\n"; print COUNT $contents; $/ = $oldsep; } visit to this page since 10-Mar-98.