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Diff for /loncom/auth/lonracc.pm between versions 1.10 and 1.20

version 1.10, 2003/05/27 18:31:31 version 1.20, 2007/02/01 07:13:04
Line 25 Line 25
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  #
 # (lonacc: Cookie Based Access Handler  
 # 5/21/99,5/22,5/29,5/31,6/15 Gerd Kortemeyer)  
 # 6/16,6/18,7/3,  
 # 6/30/00 Gerd Kortemeyer  
   
 package Apache::lonracc;  package Apache::lonracc;
   
 use strict;  use strict;
 use Apache::Constants qw(:common :remotehost);  use Apache::Constants qw(:common :remotehost);
 use Apache::lonnet();  use Apache::lonnet;
 use Apache::File();  use Apache::File();
   use IO::Socket;
   
 sub subscribed {  sub subscribed {
     my ($filename,$id) = @_;      my ($filename,$id) = @_;
   
       return 0 if (!-e "$filename.subscription");
   
       my $hostname=$Apache::lonnet::hostname{$id};
       my (undef,undef,undef,undef,$ip) = gethostbyname($hostname);
       
       return 0 if (length($ip) != 4);
   
       $ip=inet_ntoa($ip);
   
       my $expr='^'.quotemeta($id).':'.quotemeta($ip).':';
   
     my $found=0;      my $found=0;
     my $expr='^'.$id.':'.$Apache::lonnet::hostip{$id}.':';      if (my $sh=Apache::File->new("$filename.subscription")) {
     $expr =~ s/\./\\\./g;  
     my $sh;  
     if ($sh=Apache::File->new("$filename.subscription")) {  
  while (my $subline=<$sh>) { if ($subline =~ /$expr/) { $found=1; } }   while (my $subline=<$sh>) { if ($subline =~ /$expr/) { $found=1; } }
  $sh->close();   $sh->close();
     }      }
Line 52  sub subscribed { Line 58  sub subscribed {
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     my $reqhost = $r->get_remote_host(REMOTE_DOUBLE_REV);  
     if (!$reqhost && $r->get_remote_host(REMOTE_NOLOOKUP) eq $r->get_server_name()) {       my $filename=$r->filename;
         $reqhost = $r->get_server_name();      if (!-e $filename) {
     }    return NOT_FOUND;
     unless ($reqhost) {      }
        $r->log_reason("Spoof request from ".$ENV{'REMOTE_ADDR'});  
        return FORBIDDEN;      my $reqhost = $r->get_remote_host(REMOTE_NOLOOKUP);
     }      my %iphost=&Apache::lonnet::get_iphost();
     my $readline;      my $hostids=$iphost{$reqhost};
     my $lontabdir=$r->dir_config('lonTabDir');      if (!$hostids && $reqhost ne '127.0.0.1' ) {
     {   $r->log_reason("Unable to find a host for ".
        my $fh;         $r->get_remote_host(REMOTE_NOLOOKUP));
        unless ($fh=Apache::File->new("$lontabdir/hosts.tab")) {   return FORBIDDEN;
           $r->log_reason("Could not find host tab file");      }
           return FORBIDDEN;      if ($reqhost eq '127.0.0.1') {
        }   return OK;
        my $return;      }
        my @ids=();      my $return;
        while ($readline=<$fh>) {      my @ids;
           my ($id,$domain,$role,$name,$ip)=split(/:/,$readline);  
           if ($name =~ /$reqhost/i) {      foreach my $id (@{$hostids}) {
               my $filename=$r->filename;   my $uri =$r->uri;
               if ((-e "$filename.$id") ||   if (($filename=~/\.meta$/) ||
   &subscribed($filename,$id) ||      ($uri=~m|^/raw/uploaded|) ||
   ($filename=~/\.meta$/)) {      (-e "$filename.$id") ||
          return OK;      &subscribed($filename,$id) ) {
               } else {      return OK;
                  $return=FORBIDDEN;   } else {
  push(@ids,$id);      $return=FORBIDDEN;
               }      push(@ids,$id);
           }   }
        }      }
        if ($return == FORBIDDEN) {      if ($return == FORBIDDEN) {
    $r->log_reason(join(':',@ids)." not subscribed", $r->filename);   $r->log_reason(join(':',@ids)." not subscribed", $r->filename);
    return FORBIDDEN;   return FORBIDDEN;
        }  
     }      }
     $r->log_reason("Invalid request for file transfer from $reqhost",       $r->log_reason("Invalid request for file transfer from $reqhost", 
                    $r->filename);                      $r->filename); 
Removed from v.1.10  
changed lines
  Added in v.1.20

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