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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.192 and 1.202

version 1.192, 2001/12/21 17:02:35 version 1.202, 2002/02/19 21:53:42
Line 64 Line 64
 # 12/5 Guy Albertelli  # 12/5 Guy Albertelli
 # 12/6,12/7,12/12 Gerd Kortemeyer  # 12/6,12/7,12/12 Gerd Kortemeyer
 # 12/18 Scott Harrison  # 12/18 Scott Harrison
 # 12/21 Gerd Kortemeyer  # 12/21,12/22,12/27,12/28 Gerd Kortemeyer
   # YEAR=2002
   # 1/4,2/4,2/7 Gerd Kortemeyer
 #  #
 ###  ###
   
Line 78  use vars Line 80  use vars
 qw(%perlvar %hostname %homecache %hostip %spareid %hostdom   qw(%perlvar %hostname %homecache %hostip %spareid %hostdom 
    %libserv %pr %prp %metacache %packagetab      %libserv %pr %prp %metacache %packagetab 
    %courselogs %accesshash $processmarker $dumpcount      %courselogs %accesshash $processmarker $dumpcount 
    %coursedombuf %coursehombuf);     %coursedombuf %coursehombuf %courseresdatacache);
 use IO::Socket;  use IO::Socket;
 use GDBM_File;  use GDBM_File;
 use Apache::Constants qw(:common :http);  use Apache::Constants qw(:common :http);
 use HTML::TokeParser;  use HTML::TokeParser;
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
   my $readit;
   
 # --------------------------------------------------------------------- Logging  # --------------------------------------------------------------------- Logging
   
Line 345  sub spareserver { Line 348  sub spareserver {
     return $spareserver;      return $spareserver;
 }  }
   
   # --------------------------------------------- Try to change a user's password
   
   sub changepass {
       my ($uname,$udom,$currentpass,$newpass,$server)=@_;
       $currentpass = &escape($currentpass);
       $newpass     = &escape($newpass);
       my $answer = reply("encrypt:passwd:$udom:$uname:$currentpass:$newpass",
          $server);
       if (! $answer) {
    &logthis("No reply on password change request to $server ".
    "by $uname in domain $udom.");
       } elsif ($answer =~ "^ok") {
           &logthis("$uname in $udom successfully changed their password ".
    "on $server.");
       } elsif ($answer =~ "^pwchange_failure") {
    &logthis("$uname in $udom was unable to change their password ".
    "on $server.  The action was blocked by either lcpasswd ".
    "or pwchange");
       } elsif ($answer =~ "^non_authorized") {
           &logthis("$uname in $udom did not get their password correct when ".
    "attempting to change it on $server.");
       } elsif ($answer =~ "^auth_mode_error") {
           &logthis("$uname in $udom attempted to change their password despite ".
    "not being locally or internally authenticated on $server.");
       } elsif ($answer =~ "^unknown_user") {
           &logthis("$uname in $udom attempted to change their password ".
    "on $server but were unable to because $server is not ".
    "their home server.");
       } elsif ($answer =~ "^refused") {
    &logthis("$server refused to change $uname in $udom password because ".
    "it was sent an unencrypted request to change the password.");
       }
       return $answer;
   }
   
 # ----------------------- Try to determine user's current authentication scheme  # ----------------------- Try to determine user's current authentication scheme
   
 sub queryauthenticate {  sub queryauthenticate {
Line 388  sub queryauthenticate { Line 426  sub queryauthenticate {
 sub authenticate {  sub authenticate {
     my ($uname,$upass,$udom)=@_;      my ($uname,$upass,$udom)=@_;
     $upass=escape($upass);      $upass=escape($upass);
       $uname=~s/\W//g;
     if (($perlvar{'lonRole'} eq 'library') &&       if (($perlvar{'lonRole'} eq 'library') && 
         ($udom eq $perlvar{'lonDefDomain'})) {          ($udom eq $perlvar{'lonDefDomain'})) {
     my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'});      my $answer=reply("encrypt:auth:$udom:$uname:$upass",$perlvar{'lonHostID'});
Line 637  sub ssi { Line 676  sub ssi {
           
     if (%form) {      if (%form) {
       $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn);        $request=new HTTP::Request('POST',"http://".$ENV{'HTTP_HOST'}.$fn);
       $request->content(join '&', map { "$_=$form{$_}" } keys %form);        $request->content(join('&',map { &escape($_).'='.&escape($form{$_}) } keys %form));
     } else {      } else {
       $request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn);        $request=new HTTP::Request('GET',"http://".$ENV{'HTTP_HOST'}.$fn);
     }      }
Line 1274  sub del { Line 1313  sub del {
 # -------------------------------------------------------------- dump interface  # -------------------------------------------------------------- dump interface
   
 sub dump {  sub dump {
    my ($namespace,$udomain,$uname)=@_;     my ($namespace,$udomain,$uname,$regexp)=@_;
    if (!$udomain) { $udomain=$ENV{'user.domain'}; }     if (!$udomain) { $udomain=$ENV{'user.domain'}; }
    if (!$uname) { $uname=$ENV{'user.name'}; }     if (!$uname) { $uname=$ENV{'user.name'}; }
    my $uhome=&homeserver($uname,$udomain);     my $uhome=&homeserver($uname,$udomain);
    my $rep=reply("dump:$udomain:$uname:$namespace",$uhome);     if ($regexp) {
          $regexp=&escape($regexp);
      } else {
          $regexp='.';
      }
      my $rep=reply("dump:$udomain:$uname:$namespace:$regexp",$uhome);
    my @pairs=split(/\&/,$rep);     my @pairs=split(/\&/,$rep);
    my %returnhash=();     my %returnhash=();
    foreach (@pairs) {     foreach (@pairs) {
Line 1549  sub allowed { Line 1593  sub allowed {
    if ($thisallowed=~/C/) {     if ($thisallowed=~/C/) {
        my $rolecode=(split(/\./,$ENV{'request.role'}))[0];         my $rolecode=(split(/\./,$ENV{'request.role'}))[0];
        if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.roles.denied'}         if ($ENV{'course.'.$ENV{'request.course.id'}.'.'.$priv.'.roles.denied'}
    =~/\,$rolecode\,/) {     =~/$rolecode/) {
            &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'},             &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.host'},
                 'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '.                  'Denied by role: '.$priv.' for '.$uri.' as '.$rolecode.' in '.
                 $ENV{'request.course.id'});                  $ENV{'request.course.id'});
Line 1698  sub assignrole { Line 1742  sub assignrole {
 }  }
   
 # -------------------------------------------------- Modify user authentication  # -------------------------------------------------- Modify user authentication
   # Overrides without validation
   
 sub modifyuserauth {  sub modifyuserauth {
     my ($udom,$uname,$umode,$upass)=@_;      my ($udom,$uname,$umode,$upass)=@_;
     my $uhome=&homeserver($uname,$udom);      my $uhome=&homeserver($uname,$udom);
     &logthis('Call to modify user authentication'.$udom.', '.$uname.', '.      unless (&allowed('mau',$udom)) { return 'refused'; }
       &logthis('Call to modify user authentication '.$udom.', '.$uname.', '.
              $umode.' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'});                 $umode.' by '.$ENV{'user.name'}.' at '.$ENV{'user.domain'});  
     my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'.      my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'.
      &escape($upass),$uhome);       &escape($upass),$uhome);
       &log($ENV{'user.domain'},$ENV{'user.name'},$ENV{'user.home'},
           'Authentication changed for '.$udom.', '.$uname.', '.$umode.
            '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
       &log($udom,,$uname,$uhome,
           'Authentication changed by '.$ENV{'user.domain'}.', '.
                                        $ENV{'user.name'}.', '.$umode.
            '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
     unless ($reply eq 'ok') {      unless ($reply eq 'ok') {
           &logthis('Authentication mode error: '.$reply);
  return 'error: '.$reply;   return 'error: '.$reply;
     }         }   
     return 'ok';      return 'ok';
Line 1715  sub modifyuserauth { Line 1770  sub modifyuserauth {
   
   
 sub modifyuser {  sub modifyuser {
     my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene)=@_;      my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,
           $forceid)=@_;
       $udom=~s/\W//g;
       $uname=~s/\W//g;
     &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '.      &logthis('Call to modify user '.$udom.', '.$uname.', '.$uid.', '.
              $umode.', '.$first.', '.$middle.', '.               $umode.', '.$first.', '.$middle.', '.
      $last.', '.$gene.' by '.       $last.', '.$gene.'(forceid: '.$forceid.') by '.
              $ENV{'user.name'}.' at '.$ENV{'user.domain'});                 $ENV{'user.name'}.' at '.$ENV{'user.domain'});  
     my $uhome=&homeserver($uname,$udom);      my $uhome=&homeserver($uname,$udom);
 # ----------------------------------------------------------------- Create User  # ----------------------------------------------------------------- Create User
Line 1756  sub modifyuser { Line 1814  sub modifyuser {
     if ($uid) {      if ($uid) {
        $uid=~tr/A-Z/a-z/;         $uid=~tr/A-Z/a-z/;
        my %uidhash=&idrget($udom,$uname);         my %uidhash=&idrget($udom,$uname);
        if (($uidhash{$uname}) && ($uidhash{$uname}!~/error\:/)) {         if (($uidhash{$uname}) && ($uidhash{$uname}!~/error\:/) 
            && (!$forceid)) {
   unless ($uid eq $uidhash{$uname}) {    unless ($uid eq $uidhash{$uname}) {
       return 'error: mismatch '.$uidhash{$uname}.' versus '.$uid;        return 'error: mismatch '.$uidhash{$uname}.' versus '.$uid;
           }            }
Line 1785  sub modifyuser { Line 1844  sub modifyuser {
   
 sub modifystudent {  sub modifystudent {
     my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,      my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec,
         $end,$start)=@_;          $end,$start,$forceid)=@_;
     my $cid='';      my $cid='';
     unless ($cid=$ENV{'request.course.id'}) {      unless ($cid=$ENV{'request.course.id'}) {
  return 'not_in_class';   return 'not_in_class';
     }      }
 # --------------------------------------------------------------- Make the user  # --------------------------------------------------------------- Make the user
     my $reply=&modifyuser      my $reply=&modifyuser
  ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene);   ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid);
     unless ($reply eq 'ok') { return $reply; }      unless ($reply eq 'ok') { return $reply; }
     my $uhome=&homeserver($uname,$udom);      my $uhome=&homeserver($uname,$udom);
     if (($uhome eq '') || ($uhome eq 'no_host')) {       if (($uhome eq '') || ($uhome eq 'no_host')) { 
Line 2000  sub condval { Line 2059  sub condval {
     return $result;      return $result;
 }  }
   
   # --------------------------------------------------- Course Resourcedata Query
   
   sub courseresdata {
       my ($coursenum,$coursedomain,@which)=@_;
       my $coursehom=&homeserver($coursenum,$coursedomain);
       my $hashid=$coursenum.':'.$coursedomain;
       unless (defined($courseresdatacache{$hashid.'.time'})) {
    unless (time-$courseresdatacache{$hashid.'.time'}<300) {
              my $coursehom=&homeserver($coursenum,$coursedomain);
              if ($coursehom) {
                 my $dumpreply=&reply('dump:'.$coursedomain.':'.$coursenum.
        ':resourcedata:.',$coursehom);
         unless ($dumpreply=~/^error\:/) {
            $courseresdatacache{$hashid.'.time'}=time;
                    $courseresdatacache{$hashid}=$dumpreply;
        }
     }
          }
       }
      my @pairs=split(/\&/,$courseresdatacache{$hashid});
      my %returnhash=();
      foreach (@pairs) {
         my ($key,$value)=split(/=/,$_);
         $returnhash{unescape($key)}=unescape($value);
      }
       my $item;
      foreach $item (@which) {
          if ($returnhash{$item}) { return $returnhash{$item}; }
      }
      return '';
   }
   
 # --------------------------------------------------------- Value of a Variable  # --------------------------------------------------------- Value of a Variable
   
 sub EXT {  sub EXT {
Line 2120  sub EXT { Line 2211  sub EXT {
   
 # -------------------------------------------------------- second, check course  # -------------------------------------------------------- second, check course
   
         my $reply=&reply('get:'.          my $coursereply=&courseresdata(
               $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.':'.                          $ENV{'course.'.$ENV{'request.course.id'}.'.num'},
               $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.                          $ENV{'course.'.$ENV{'request.course.id'}.'.domain'},
       ':resourcedata:'.                          ($seclevelr,$seclevelm,$seclevel,
    &escape($seclevelr).'&'.&escape($seclevelm).'&'.&escape($seclevel).'&'.                           $courselevelr,$courselevelm,$courselevel));
    &escape($courselevelr).'&'.&escape($courselevelm).'&'.&escape($courselevel),          if ($coursereply) { return $coursereply; }
    $ENV{'course.'.$ENV{'request.course.id'}.'.home'});  
       if ($reply!~/^error\:/) {  
   foreach (split(/\&/,$reply)) {  
       if ($_) { return &unescape($_); }  
           }  
       }  
       if (($reply=~/^con_lost/) || ($reply=~/^error\:/)) {  
   &logthis("<font color=blue>WARNING:".  
                 " Getting ".$reply." asking for ".$varname." for ".  
                 $ENV{'course.'.$ENV{'request.course.id'}.'.num'}.  
                 ' at '.  
                 $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}.  
                 ' from '.  
                 $ENV{'course.'.$ENV{'request.course.id'}.'.home'}.  
                  "</font>");  
       }  
 # ------------------------------------------------------ third, check map parms  # ------------------------------------------------------ third, check map parms
        my %parmhash=();         my %parmhash=();
        my $thisparm='';                my $thisparm='';       
Line 2550  sub goodbye { Line 2626  sub goodbye {
   
 BEGIN {  BEGIN {
 # ------------------------------------------------------------ Read access.conf  # ------------------------------------------------------------ Read access.conf
       unless ($readit) {
 {  {
     my $config=Apache::File->new("/etc/httpd/conf/access.conf");      my $config=Apache::File->new("/etc/httpd/conf/access.conf");
   
Line 2635  $dumpcount=0; Line 2712  $dumpcount=0;
   
 &logtouch();  &logtouch();
 &logthis('<font color=yellow>INFO: Read configuration</font>');  &logthis('<font color=yellow>INFO: Read configuration</font>');
   $readit=1;
   }
 }  }
   
 1;  1;
Line 2855  namesp ($udomain and $uname are optional Line 2934  namesp ($udomain and $uname are optional
   
 =item *  =item *
   
 dump($namespace,$udomain,$uname) : dumps the complete namespace into a hash  dump($namespace,$udomain,$uname,$regexp) : 
 ($udomain and $uname are optional)  dumps the complete (or key matching regexp) namespace into a hash
   ($udomain, $uname and $regexp are optional)
   
 =item *  =item *
   
Removed from v.1.192  
changed lines
  Added in v.1.202

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