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Diff for /loncom/auth/lonracc.pm between versions 1.7 and 1.17

version 1.7, 2002/10/29 18:34:33 version 1.17, 2005/04/07 06:56:21
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) = @_;
     my $found=0;      my $found=0;
     my $expr='^'.$id.':'.$Apache::lonnet::hostip{$id}.':';      my $hostname=$Apache::lonnet::hostname{$id};
       my (undef,undef,undef,undef,$ip) = gethostbyname($hostname);
       $ip=inet_ntoa($ip);
       my $expr='^'.$id.':'.$ip.':';
     $expr =~ s/\./\\\./g;      $expr =~ s/\./\\\./g;
     my $sh;      my $sh;
     if ($sh=Apache::File->new("$filename.subscription")) {      if ($sh=Apache::File->new("$filename.subscription")) {
Line 52  sub subscribed { Line 52  sub subscribed {
   
 sub handler {  sub handler {
     my $r = shift;      my $r = shift;
     my $reqhost = $r->get_remote_host(REMOTE_DOUBLE_REV);      my $reqhost = $r->get_remote_host(REMOTE_NOLOOKUP);
     if (!$reqhost && $r->get_remote_host(REMOTE_NOLOOKUP) eq $r->get_server_name()) {       my %iphost=&Apache::lonnet::get_iphost();
         $reqhost = $r->get_server_name();      my $hostids=$iphost{$reqhost};
     }       if (!$hostids && $reqhost ne '127.0.0.1' ) {
     unless ($reqhost) {   $r->log_reason("Unable to find a host for ".
        $r->log_reason("Spoof request from ".$ENV{'REMOTE_ADDR'});         $r->get_remote_host(REMOTE_NOLOOKUP));
        return FORBIDDEN;   return FORBIDDEN;
     }      }
     my $readline;      if ($reqhost eq '127.0.0.1') {
     my $lontabdir=$r->dir_config('lonTabDir');   return OK;
     {      }
        my $fh;      my $return;
        unless ($fh=Apache::File->new("$lontabdir/hosts.tab")) {      my @ids=();
           $r->log_reason("Could not find host tab file");      my $id;
           return FORBIDDEN;  
        }  
        while ($readline=<$fh>) {  
           my ($id,$domain,$role,$name,$ip)=split(/:/,$readline);  
           if ($name =~ /$reqhost/i) {  
               my $filename=$r->filename;  
               if ((-e "$filename.$id") ||  
   &subscribed($filename,$id) ||  
   ($filename=~/\.meta$/)) {  
          return OK;  
               } else {  
                  $r->log_reason("$id not subscribed", $r->filename);  
                  return FORBIDDEN;  
               }  
           }  
        }  
   
       foreach $id (@{$hostids}) {
    my $filename=$r->filename;
    my $uri =$r->uri;
    if ((-e "$filename.$id") ||
       &subscribed($filename,$id) ||
       ($filename=~/\.meta$/) ||
       ($uri=~m|^/raw/uploaded|)) {
       return OK;
    } else {
       $return=FORBIDDEN;
       push(@ids,$id);
    }
       }
       if ($return == FORBIDDEN) {
    $r->log_reason(join(':',@ids)." not subscribed", $r->filename);
    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.1.7  
changed lines
  Added in v.1.17

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