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 $version =
![](\"/counter/digits/$img_dir/$_\.gif\")
";
};
}
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) = $banner"; # return no link here (it would be annoying) } # output_counterfiglet # # An even sillier one than counterbanner. :) sub output_counterfiglet { local($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 =
