Original release 20150826

[fex.git] / lib / dop

diff --git a/lib/dop b/lib/dop
index 9c428a52bd688da30b68d8b1316d97217cf0c538..20df28e46951c794ec602ca306372f2ec26eead9 100755 (executable)
--- a/lib/dop
+++ b/lib/dop
@@ -27,19 +27,19 @@ sub dop {
   my $seek = 0;
   my $stop = 0;
   my ($link,$host,$path,$range);
   my $seek = 0;
   my $stop = 0;
   my ($link,$host,$path,$range);

-  
+

   our $error = 'F*EX document output ERROR';
   our $error = 'F*EX document output ERROR';

-  
+

   security_check($doc);
   security_check($doc);

-  
+

   # reget?
   if ($range = $ENV{HTTP_RANGE}) {
     $seek = $1 if $range =~ /^bytes=(\d+)-/i;
     $stop = $1 if $range =~ /^bytes=\d*-(\d+)/i;
   }
 
   # reget?
   if ($range = $ENV{HTTP_RANGE}) {
     $seek = $1 if $range =~ /^bytes=(\d+)-/i;
     $stop = $1 if $range =~ /^bytes=\d*-(\d+)/i;
   }
 

-  # redirect on relative symlinks without "../" 
-  if ($link = readlink($doc) and 
+  # redirect on relative symlinks without "../"
+  if ($link = readlink($doc) and

       $link !~ m:^/: and $link !~ m:\.\./: and $link !~ /^:.+:$/) {
     $path = $ENV{REQUEST_URI};
     $path =~ s:[^/]*$::;
       $link !~ m:^/: and $link !~ m:\.\./: and $link !~ /^:.+:$/) {
     $path = $ENV{REQUEST_URI};
     $path =~ s:[^/]*$::;


@@ -97,7 +97,7 @@ sub http_output {
   } elsif ($file =~ /(.+)\.tgz$/ and -f "$1.tar") {
     @files = ("$1.tar");
     open $file,'-|',qw'gzip -c',@files or http_error(503);
   } elsif ($file =~ /(.+)\.tgz$/ and -f "$1.tar") {
     @files = ("$1.tar");
     open $file,'-|',qw'gzip -c',@files or http_error(503);

-  } elsif ($file =~ /(.+)\.(tar|tgz|zip)$/ and 
+  } elsif ($file =~ /(.+)\.(tar|tgz|zip)$/ and

            @s = lstat($streamfile = "$1.stream") and $s[4] == $<)
   {
     # streaming file (only if it is owned by user fex)
            @s = lstat($streamfile = "$1.stream") and $s[4] == $<)
   {
     # streaming file (only if it is owned by user fex)


@@ -122,18 +122,18 @@ sub http_output {
     }
     close $streamfile;
     foreach (@files) {
     }
     close $streamfile;
     foreach (@files) {

-      if (/^\// or /\.\.\//) { 
+      if (/^\// or /\.\.\//) {

         # absolute path or relative path with parent directory is not allowed
         http_error(403);
       }
         # absolute path or relative path with parent directory is not allowed
         http_error(403);
       }

-      if (@s = stat($_) and not($s[2] & S_IRGRP) or not -r $_) { 
+      if (@s = stat($_) and not($s[2] & S_IRGRP) or not -r $_) {

         # file must be readable by user and group
         http_error(403);
       }
     }
     http_error(416) if $ENV{HTTP_RANGE};
     close STDERR;
         # file must be readable by user and group
         http_error(403);
       }
     }
     http_error(416) if $ENV{HTTP_RANGE};
     close STDERR;

-    if    ($file =~ /\.tar$/) { @a = qw'tar --exclude *~ --exclude .* -cf -' } 
+    if    ($file =~ /\.tar$/) { @a = qw'tar --exclude *~ --exclude .* -cf -' }

     elsif ($file =~ /\.tgz$/) { @a = qw'tar --exclude *~ --exclude .* -czf -' }
     elsif ($file =~ /\.zip$/) { @a = qw'zip -x *~ */.*/* @ -rq -' }
     else { http_error(400) }
     elsif ($file =~ /\.tgz$/) { @a = qw'tar --exclude *~ --exclude .* -czf -' }
     elsif ($file =~ /\.zip$/) { @a = qw'zip -x *~ */.*/* @ -rq -' }
     else { http_error(400) }


@@ -141,9 +141,9 @@ sub http_output {
   } else {
     http_error(404);
   }
   } else {
     http_error(404);
   }

-  
+

   $type = 'application/octet-stream';
   $type = 'application/octet-stream';

-  if    ($file =~ /\.html$/)   { $type = 'text/html' } 
+  if    ($file =~ /\.html$/)   { $type = 'text/html' }

   # elsif ($file =~ /\.txt$/)  { $type = 'text/plain' }
   elsif ($file =~ /\.css$/)    { $type = 'text/css' }
   elsif ($file =~ /\.js$/)     { $type = 'text/javascript' }
   # elsif ($file =~ /\.txt$/)  { $type = 'text/plain' }
   elsif ($file =~ /\.css$/)    { $type = 'text/css' }
   elsif ($file =~ /\.js$/)     { $type = 'text/javascript' }


@@ -179,8 +179,8 @@ sub http_output {
   } elsif ($ENV{'QUERY_STRING'} eq '!') {
     $type = 'text/plain';
   }
   } elsif ($ENV{'QUERY_STRING'} eq '!') {
     $type = 'text/plain';
   }

-      
-  
+
+

   if ($type eq 'text/html') {
     $seek = $stop = 0;
     local $^W = 0;
   if ($type eq 'text/html') {
     $seek = $stop = 0;
     local $^W = 0;


@@ -251,9 +251,9 @@ sub http_output {
     http_header('416 Requested Range Not Satisfiable');
     exit;
   }
     http_header('416 Requested Range Not Satisfiable');
     exit;
   }

-  
+

   alarm($timeout*10);
   alarm($timeout*10);

-  
+

   if ($seek or $stop) {
     my $range;
     if ($stop) {
   if ($seek or $stop) {
     my $range;
     if ($stop) {


@@ -314,14 +314,14 @@ sub http_output {
           $b = $size-$s;
           $data = substr($data,0,$b)
         }
           $b = $size-$s;
           $data = substr($data,0,$b)
         }

-        $s += $b;      
+        $s += $b;

         alarm($timeout*10);
         print $data or last;
       }
     }
     fdlog($log,$file,$s,$size) if $s;
   }
         alarm($timeout*10);
         print $data or last;
       }
     }
     fdlog($log,$file,$s,$size) if $s;
   }

-  
+

   alarm(0);
   close $file;
   exit if @files; # streaming end
   alarm(0);
   close $file;
   exit if @files; # streaming end


@@ -340,22 +340,22 @@ sub showindex {
   my $allowed;
   my ($htindex,$htauth);
   local $_;
   my $allowed;
   my ($htindex,$htauth);
   local $_;

-  
+

   $uri =~ s:/+$::;
   $dir =~ s:/+$::;
 
   security_check($dir);
   $uri =~ s:/+$::;
   $dir =~ s:/+$::;
 
   security_check($dir);

-  
+

   $htindex = "$dir/.htindex";
   $htauth  = "$dir/.htauth";
   $htindex = "$dir/.htindex";
   $htauth  = "$dir/.htauth";

-  
+

   open $htindex,$htindex or http_error(403);
   require_auth($htauth,$dir) if -f $htauth;
   open $htindex,$htindex or http_error(403);
   require_auth($htauth,$dir) if -f $htauth;

-  
+

   # .htindex may contain listing regexp
   chomp ($allowed = <$htindex>||'.');
   close $htindex;
   # .htindex may contain listing regexp
   chomp ($allowed = <$htindex>||'.');
   close $htindex;

-  
+

   opendir $dir,$dir or http_error(503);
   while (defined($_ = readdir $dir)) {
     next if /^[.#]/ or /~$/;
   opendir $dir,$dir or http_error(503);
   while (defined($_ = readdir $dir)) {
     next if /^[.#]/ or /~$/;


@@ -381,7 +381,7 @@ sub showindex {
       $htmldoc .= "<h3><a href=\"$uri/$d/\">$uri/$d/</a></h3>\n";
     }
   }
       $htmldoc .= "<h3><a href=\"$uri/$d/\">$uri/$d/</a></h3>\n";
     }
   }

-  
+

 #  # then the symlinks
 #  $htmldoc .= "\n<pre>\n";
 #  my $link;
 #  # then the symlinks
 #  $htmldoc .= "\n<pre>\n";
 #  my $link;


@@ -390,7 +390,7 @@ sub showindex {
 #      $htmldoc .= "$l -> <a href=\"$link\">$dir/$link</a>\n";
 #    }
 #  }
 #      $htmldoc .= "$l -> <a href=\"$link\">$dir/$link</a>\n";
 #    }
 #  }

-  
+

   # then the files
   $htmldoc .= "\n<pre>\n";
   foreach my $f (sort @files) {
   # then the files
   $htmldoc .= "\n<pre>\n";
   foreach my $f (sort @files) {


@@ -402,7 +402,7 @@ sub showindex {
     }
   }
   $htmldoc .= "</pre>\n</HTML>\n";
     }
   }
   $htmldoc .= "</pre>\n</HTML>\n";

-  
+

   $size = length($htmldoc);
   nvt_print(
     'HTTP/1.1 200 OK',
   $size = length($htmldoc);
   nvt_print(
     'HTTP/1.1 200 OK',


@@ -426,7 +426,7 @@ sub d3 {
 sub http_date {
   my $file = shift;
   my @stat;
 sub http_date {
   my $file = shift;
   my @stat;

-  
+

   if (@stat = stat($file)) {
     return strftime("%a, %d %b %Y %T GMT",gmtime($stat[9]));
   } else {
   if (@stat = stat($file)) {
     return strftime("%a, %d %b %Y %T GMT",gmtime($stat[9]));
   } else {


@@ -450,9 +450,9 @@ sub path_match {
 # return real file name (from symlink)
 sub realfilename {
   my $file = shift;
 # return real file name (from symlink)
 sub realfilename {
   my $file = shift;

-  
+

   return '' unless -e $file;
   return '' unless -e $file;

-  
+

   if (-l $file) {
     return realfilename(readlink($file));
   } else {
   if (-l $file) {
     return realfilename(readlink($file));
   } else {


@@ -481,13 +481,13 @@ sub security_check {
       errorlog("$file contains @");
       http_error(403);
     }
       errorlog("$file contains @");
       http_error(403);
     }

-  
+

     # document filename must not end with ~
     if (realfilename($file) =~ /~$/) {
       errorlog("$file ends with ~");
       http_error(403);
     }
     # document filename must not end with ~
     if (realfilename($file) =~ /~$/) {
       errorlog("$file ends with ~");
       http_error(403);
     }

-  
+

     # file must be group or world readable
     if (@s = stat($file) and not($s[2] & (S_IRGRP|S_IROTH))) {
       errorlog("$file not group or world readable");
     # file must be group or world readable
     if (@s = stat($file) and not($s[2] & (S_IRGRP|S_IROTH))) {
       errorlog("$file not group or world readable");


@@ -499,14 +499,14 @@ sub security_check {
       @s = lstat($file);
       return if $s[4] == 0 or $s[4] == $<;
     }
       @s = lstat($file);
       return if $s[4] == 0 or $s[4] == $<;
     }

-    
+

   }
   }

-  
+

   # file in allowed directory? ==> ok!
   foreach my $dir (@doc_dirs) {
     return if path_match($file,$dir);
   }
   # file in allowed directory? ==> ok!
   foreach my $dir (@doc_dirs) {
     return if path_match($file,$dir);
   }

-  
+

   errorlog("$file not in \@doc_dirs");
   http_error(403);
 }
   errorlog("$file not in \@doc_dirs");
   http_error(403);
 }


@@ -519,7 +519,7 @@ sub access_check {
   local $_;
 
   $dir .= '/x' if -d $dir;
   local $_;
 
   $dir .= '/x' if -d $dir;

-  
+

   while ($dir = dirname($dir) and $dir ne '/') {
     $af = "$dir/.htaccessfrom";
     if (open $af,$af) {
   while ($dir = dirname($dir) and $dir ne '/') {
     $af = "$dir/.htaccessfrom";
     if (open $af,$af) {


@@ -534,7 +534,7 @@ sub access_check {
       http_error(403);
     }
   }
       http_error(403);
     }
   }

-    
+

 }
 
 # HTTP Basic authentication
 }
 
 # HTTP Basic authentication


@@ -544,7 +544,7 @@ sub require_auth {
   my ($realm,$auth);
   my @http_auth;
   my $uri = $ENV{REQUEST_URI} || '/';
   my ($realm,$auth);
   my @http_auth;
   my $uri = $ENV{REQUEST_URI} || '/';

-  
+

   $uri =~ s/\/index\.html$//;
   $uri =~ s/\/$//;
 
   $uri =~ s/\/index\.html$//;
   $uri =~ s/\/$//;
 


@@ -553,7 +553,7 @@ sub require_auth {
   } else {
     $realm = dirname($uri);
   }
   } else {
     $realm = dirname($uri);
   }

-  
+

   $auth = slurp($htauth);
   unless ($auth and $realm) {
     http_header("200 OK");
   $auth = slurp($htauth);
   unless ($auth and $realm) {
     http_header("200 OK");


@@ -565,8 +565,8 @@ sub require_auth {
     exit;
   }
   chomp $auth;
     exit;
   }
   chomp $auth;

-  
-  if ($ENV{HTTP_AUTHORIZATION} and $ENV{HTTP_AUTHORIZATION} =~ /Basic\s+(.+)/) 
+
+  if ($ENV{HTTP_AUTHORIZATION} and $ENV{HTTP_AUTHORIZATION} =~ /Basic\s+(.+)/)

   { @http_auth = split(':',decode_b64($1)) }
   if (@http_auth != 2 or $http_auth[1] ne $auth) {
     http_header(
   { @http_auth = split(':',decode_b64($1)) }
   if (@http_auth != 2 or $http_auth[1] ne $auth) {
     http_header(


@@ -589,18 +589,18 @@ sub out {
 # tie STDOUT to buffer variable (redefining print)
 package Buffer;
 
 # tie STDOUT to buffer variable (redefining print)
 package Buffer;
 

-sub TIEHANDLE { 
-  my ($class,$buffer) = @_; 
-  bless $buffer,$class; 
+sub TIEHANDLE {
+  my ($class,$buffer) = @_;
+  bless $buffer,$class;

 }
 
 }
 

-sub PRINT { 
-  my $buffer = shift; 
-  $$buffer .= $_ foreach @_; 
+sub PRINT {
+  my $buffer = shift;
+  $$buffer .= $_ foreach @_;

 }
 
 }
 

-sub PRINTF { 
-  my $buffer = shift; 
+sub PRINTF {
+  my $buffer = shift;

   my $fmt = shift @_;
   $$buffer .= sprintf($fmt,@_);
 }
   my $fmt = shift @_;
   $$buffer .= sprintf($fmt,@_);
 }