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Diff for /loncom/lond between versions 1.344 and 1.362

version 1.344, 2006/10/13 04:23:02 version 1.362, 2007/03/12 22:24:58
Line 40  use IO::File; Line 40  use IO::File;
 use POSIX;  use POSIX;
 use Crypt::IDEA;  use Crypt::IDEA;
 use LWP::UserAgent();  use LWP::UserAgent();
   use Digest::MD5 qw(md5_hex);
 use GDBM_File;  use GDBM_File;
 use Authen::Krb4;  use Authen::Krb4;
 use Authen::Krb5;  use Authen::Krb5;
 use lib '/home/httpd/lib/perl/';  
 use localauth;  use localauth;
 use localenroll;  use localenroll;
 use localstudentphoto;  use localstudentphoto;
Line 503  sub AdjustHostContents { Line 503  sub AdjustHostContents {
     my $adjusted;      my $adjusted;
     my $me        = $perlvar{'lonHostID'};      my $me        = $perlvar{'lonHostID'};
   
  foreach my $line (split(/\n/,$contents)) {      foreach my $line (split(/\n/,$contents)) {
  if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/))) {   if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/))) {
     chomp($line);      chomp($line);
     my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon)=split(/:/,$line);      my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon)=split(/:/,$line);
     if ($id eq $me) {      if ($id eq $me) {
           my $ip = gethostbyname($name);   my $ip = gethostbyname($name);
           my $ipnew = inet_ntoa($ip);   my $ipnew = inet_ntoa($ip);
          $ip = $ipnew;   $ip = $ipnew;
  #  Reconstruct the host line and append to adjusted:   #  Reconstruct the host line and append to adjusted:
   
    my $newline = "$id:$domain:$role:$name:$ip";   my $newline = "$id:$domain:$role:$name:$ip";
    if($maxcon ne "") { # Not all hosts have loncnew tuning params   if($maxcon ne "") { # Not all hosts have loncnew tuning params
      $newline .= ":$maxcon:$idleto:$mincon";      $newline .= ":$maxcon:$idleto:$mincon";
    }   }
    $adjusted .= $newline."\n";   $adjusted .= $newline."\n";
   
       } else { # Not me, pass unmodified.      } else { # Not me, pass unmodified.
    $adjusted .= $line."\n";   $adjusted .= $line."\n";
       }      }
  } else {                  # Blank or comment never re-written.   } else {                  # Blank or comment never re-written.
     $adjusted .= $line."\n"; # Pass blanks and comments as is.      $adjusted .= $line."\n"; # Pass blanks and comments as is.
  }   }
  }      }
  return $adjusted;      return $adjusted;
 }  }
 #  #
 #   InstallFile: Called to install an administrative file:  #   InstallFile: Called to install an administrative file:
Line 1268  sub du_handler { Line 1268  sub du_handler {
  my $code=sub {    my $code=sub { 
     if ($_=~/\.\d+\./) { return;}       if ($_=~/\.\d+\./) { return;} 
     if ($_=~/\.meta$/) { return;}      if ($_=~/\.meta$/) { return;}
       if (-d $_)         { return;}
     $total_size+=(stat($_))[7];      $total_size+=(stat($_))[7];
  };   };
  chdir($ududir);   chdir($ududir);
Line 1574  sub change_password_handler { Line 1575  sub change_password_handler {
     #  uname - Username.      #  uname - Username.
     #  upass - Current password.      #  upass - Current password.
     #  npass - New password.      #  npass - New password.
       #  context - Context in which this was called 
       #            (preferences or reset_by_email).
         
     my ($udom,$uname,$upass,$npass)=split(/:/,$tail);      my ($udom,$uname,$upass,$npass,$context)=split(/:/,$tail);
   
     $upass=&unescape($upass);      $upass=&unescape($upass);
     $npass=&unescape($npass);      $npass=&unescape($npass);
     &Debug("Trying to change password for $uname");      &Debug("Trying to change password for $uname");
   
     # First require that the user can be authenticated with their      # First require that the user can be authenticated with their
     # old password:      # old password unless context was 'reset_by_email':
       
     my $validated = &validate_user($udom, $uname, $upass);      my $validated;
       if ($context eq 'reset_by_email') {
           $validated = 1;
       } else {
           $validated = &validate_user($udom, $uname, $upass);
       }
     if($validated) {      if($validated) {
  my $realpasswd  = &get_auth_type($udom, $uname); # Defined since authd.   my $realpasswd  = &get_auth_type($udom, $uname); # Defined since authd.
   
Line 1603  sub change_password_handler { Line 1611  sub change_password_handler {
  ."to change password");   ."to change password");
  &Failure( $client, "non_authorized\n",$userinput);   &Failure( $client, "non_authorized\n",$userinput);
     }      }
  } elsif ($howpwd eq 'unix') {   } elsif ($howpwd eq 'unix' && $context ne 'reset_by_email') {
     my $result = &change_unix_password($uname, $npass);      my $result = &change_unix_password($uname, $npass);
     &logthis("Result of password change for $uname: ".      &logthis("Result of password change for $uname: ".
      $result);       $result);
Line 3045  sub restore_handler { Line 3053  sub restore_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
     my $userinput = "$cmd:$tail"; # Only used for logging purposes.      my $userinput = "$cmd:$tail"; # Only used for logging purposes.
   
     my ($udom,$uname,$namespace,$rid) = split(/:/,$tail);      my ($udom,$uname,$namespace,$rid) = split(/:/,$tail);
     $namespace=~s/\//\_/g;      $namespace=~s/\//\_/g;
     $namespace=~s/\W//g;      $namespace = &LONCAPA::clean_username($namespace);
   
     chomp($rid);      chomp($rid);
     my $qresult='';      my $qresult='';
     my $hashref = &tie_user_hash($udom, $uname, $namespace, &GDBM_READER());      my $hashref = &tie_user_hash($udom, $uname, $namespace, &GDBM_READER());
Line 3285  sub put_course_id_handler { Line 3293  sub put_course_id_handler {
  foreach my $pair (@pairs) {   foreach my $pair (@pairs) {
             my ($key,$courseinfo) = split(/=/,$pair,2);              my ($key,$courseinfo) = split(/=/,$pair,2);
             $courseinfo =~ s/=/:/g;              $courseinfo =~ s/=/:/g;
               my @current_items = split(/:/,$hashref->{$key},-1);
             my @current_items = split(/:/,$hashref->{$key});  
             shift(@current_items); # remove description              shift(@current_items); # remove description
             pop(@current_items);   # remove last access              pop(@current_items);   # remove last access
             my $numcurrent = scalar(@current_items);              my $numcurrent = scalar(@current_items);
               if ($numcurrent > 3) {
             my @new_items = split(/:/,$courseinfo);                  $numcurrent = 3;
               }
               my @new_items = split(/:/,$courseinfo,-1);
             my $numnew = scalar(@new_items);              my $numnew = scalar(@new_items);
             if ($numcurrent > 0) {              if ($numcurrent > 0) {
                 if ($numnew <= $numcurrent) { # flushcourselogs() from pre 2.2                   if ($numnew <= $numcurrent) { # flushcourselogs() from pre 2.2 
Line 3502  sub dump_course_id_handler { Line 3511  sub dump_course_id_handler {
 &register_handler("courseiddump", \&dump_course_id_handler, 0, 1, 0);  &register_handler("courseiddump", \&dump_course_id_handler, 0, 1, 0);
   
 #  #
   # Puts an unencrypted entry in a namespace db file at the domain level 
   #
   # Parameters:
   #    $cmd      - The command that got us here.
   #    $tail     - Tail of the command (remaining parameters).
   #    $client   - File descriptor connected to client.
   # Returns
   #     0        - Requested to exit, caller should shut down.
   #     1        - Continue processing.
   #  Side effects:
   #     reply is written to $client.
   #
   sub put_domain_handler {
       my ($cmd,$tail,$client) = @_;
   
       my $userinput = "$cmd:$tail";
   
       my ($udom,$namespace,$what) =split(/:/,$tail,3);
       chomp($what);
       my @pairs=split(/\&/,$what);
       my $hashref = &tie_domain_hash($udom, "$namespace", &GDBM_WRCREAT(),
                                      "P", $what);
       if ($hashref) {
           foreach my $pair (@pairs) {
               my ($key,$value)=split(/=/,$pair);
               $hashref->{$key}=$value;
           }
           if (&untie_domain_hash($hashref)) {
               &Reply($client, "ok\n", $userinput);
           } else {
               &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
                        "while attempting putdom\n", $userinput);
           }
       } else {
           &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
                     "while attempting putdom\n", $userinput);
       }
   
       return 1;
   }
   &register_handler("putdom", \&put_domain_handler, 0, 1, 0);
   
   # Unencrypted get from the namespace database file at the domain level.
   # This function retrieves a keyed item from a specific named database in the
   # domain directory.
   #
   # Parameters:
   #   $cmd             - Command request keyword (get).
   #   $tail            - Tail of the command.  This is a colon separated list
   #                      consisting of the domain and the 'namespace' 
   #                      which selects the gdbm file to do the lookup in,
   #                      & separated list of keys to lookup.  Note that
   #                      the values are returned as an & separated list too.
   #   $client          - File descriptor open on the client.
   # Returns:
   #   1       - Continue processing.
   #   0       - Exit.
   #  Side effects:
   #     reply is written to $client.
   #
   
   sub get_domain_handler {
       my ($cmd, $tail, $client) = @_;
   
       my $userinput = "$client:$tail";
   
       my ($udom,$namespace,$what)=split(/:/,$tail,3);
       chomp($what);
       my @queries=split(/\&/,$what);
       my $qresult='';
       my $hashref = &tie_domain_hash($udom, "$namespace", &GDBM_READER());
       if ($hashref) {
           for (my $i=0;$i<=$#queries;$i++) {
               $qresult.="$hashref->{$queries[$i]}&";
           }
           if (&untie_domain_hash($hashref)) {
               $qresult=~s/\&$//;
               &Reply($client, "$qresult\n", $userinput);
           } else {
               &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".
                         "while attempting getdom\n",$userinput);
           }
       } else {
           &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".
                    "while attempting getdom\n",$userinput);
       }
   
       return 1;
   }
   &register_handler("getdom", \&get_domain_handler, 0, 1, 0);
   
   
   #
 #  Puts an id to a domains id database.   #  Puts an id to a domains id database. 
 #  #
 #  Parameters:  #  Parameters:
Line 3872  sub tmp_put_handler { Line 3974  sub tmp_put_handler {
   
     my $userinput = "$cmd:$what"; # Reconstruct for logging.      my $userinput = "$cmd:$what"; # Reconstruct for logging.
   
       my ($record,$context) = split(/:/,$what);
     my $store;      if ($context ne '') {
           chomp($context);
           $context = &unescape($context);
       }
       my ($id,$store);
     $tmpsnum++;      $tmpsnum++;
     my $id=$$.'_'.$clientip.'_'.$tmpsnum;      if ($context eq 'resetpw') {
           $id = &md5_hex(&md5_hex(time.{}.rand().$$));
       } else {
           $id = $$.'_'.$clientip.'_'.$tmpsnum;
       }
     $id=~s/\W/\_/g;      $id=~s/\W/\_/g;
     $what=~s/\n//g;      $record=~s/\n//g;
     my $execdir=$perlvar{'lonDaemons'};      my $execdir=$perlvar{'lonDaemons'};
     if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) {      if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) {
  print $store $what;   print $store $record;
  close $store;   close $store;
  &Reply($client, "$id\n", $userinput);   &Reply($client, "$id\n", $userinput);
     } else {      } else {
Line 4362  sub get_institutional_code_format_handle Line 4472  sub get_institutional_code_format_handle
 &register_handler("autoinstcodeformat",  &register_handler("autoinstcodeformat",
   \&get_institutional_code_format_handler,0,1,0);    \&get_institutional_code_format_handler,0,1,0);
   
   sub get_institutional_defaults_handler {
       my ($cmd, $tail, $client)   = @_;
       my $userinput               = "$cmd:$tail";
   
       my $dom = $tail;
       my %defaults_hash;
       my @code_order;
       my $outcome;
       eval {
           local($SIG{__DIE__})='DEFAULT';
           $outcome = &localenroll::instcode_defaults($dom,\%defaults_hash,
                                                      \@code_order);
       };
       if (!$@) {
           if ($outcome eq 'ok') {
               my $result='';
               while (my ($key,$value) = each(%defaults_hash)) {
                   $result.=&escape($key).'='.&escape($value).'&';
               }
               $result .= 'code_order='.&escape(join('&',@code_order));
               &Reply($client,$result."\n",$userinput);
           } else {
               &Reply($client,"error\n", $userinput);
           }
       } else {
           &Failure($client,"unknown_cmd\n",$userinput);
       }
   }
   &register_handler("autoinstcodedefaults",
                     \&get_institutional_defaults_handler,0,1,0);
   
   
 # Get domain specific conditions for import of student photographs to a course  # Get domain specific conditions for import of student photographs to a course
 #  #
 # Retrieves information from photo_permission subroutine in localenroll.  # Retrieves information from photo_permission subroutine in localenroll.
Line 4489  sub student_photo_handler { Line 4631  sub student_photo_handler {
 }  }
 &register_handler("studentphoto", \&student_photo_handler, 0, 1, 0);  &register_handler("studentphoto", \&student_photo_handler, 0, 1, 0);
   
   sub inst_usertypes_handler {
       my ($cmd, $domain, $client) = @_;
       my $res;
       my $userinput = $cmd.":".$domain; # For logging purposes.
       my (%typeshash,@order);  
       if (&localenroll::inst_usertypes($domain,\%typeshash,\@order) eq 'ok') {
           if (keys(%typeshash) > 0) {
               foreach my $key (keys(%typeshash)) {
                   $res.=&escape($key).'='.&escape($typeshash{$key}).'&';
               }
           }
           $res=~s/\&$//;
           $res .= ':';
           if (@order > 0) {
               foreach my $item (@order) {
                   $res .= &escape($item).'&';
               }
           }
           $res=~s/\&$//;
       }
       &Reply($client, "$res\n", $userinput);
       return 1;
   }
   &register_handler("inst_usertypes", \&inst_usertypes_handler, 0, 1, 0);
   
 # mkpath makes all directories for a file, expects an absolute path with a  # mkpath makes all directories for a file, expects an absolute path with a
 # file or a trailing / if just a dir is passed  # file or a trailing / if just a dir is passed
 # returns 1 on success 0 on failure  # returns 1 on success 0 on failure
Line 5325  sub make_new_child { Line 5492  sub make_new_child {
 #        my $tmpsnum=0;            # Now global  #        my $tmpsnum=0;            # Now global
 #---------------------------------------------------- kerberos 5 initialization  #---------------------------------------------------- kerberos 5 initialization
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
  unless (($dist eq 'fedora4') || ($dist eq 'suse9.3')) {   unless (($dist eq 'fedora5') || ($dist eq 'fedora4') ||  
    ($dist eq 'fedora6') || ($dist eq 'suse9.3')) {
     &Authen::Krb5::init_ets();      &Authen::Krb5::init_ets();
  }   }
   
Line 5738  sub validate_user { Line 5906  sub validate_user {
  my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd;   my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd;
  my $krbserver  = &Authen::Krb5::parse_name($krbservice);   my $krbserver  = &Authen::Krb5::parse_name($krbservice);
  my $credentials= &Authen::Krb5::cc_default();   my $credentials= &Authen::Krb5::cc_default();
  $credentials->initialize($krbclient);   $credentials->initialize(&Authen::Krb5::parse_name($user.'@'
                                                                    .$contentpwd));
  my $krbreturn  = &Authen::Krb5::get_in_tkt_with_password($krbclient,   my $krbreturn  = &Authen::Krb5::get_in_tkt_with_password($krbclient,
  $krbserver,   $krbserver,
  $password,   $password,
Line 5751  sub validate_user { Line 5920  sub validate_user {
     #  Authenticate via installation specific authentcation method:      #  Authenticate via installation specific authentcation method:
     $validated = &localauth::localauth($user,       $validated = &localauth::localauth($user, 
        $password,          $password, 
        $contentpwd);         $contentpwd,
          $domain);
       if ($validated < 0) {
    &logthis("localauth for $contentpwd $user:$domain returned a $validated");
    $validated = 0;
       }
  } else { # Unrecognized auth is also bad.   } else { # Unrecognized auth is also bad.
     $validated = 0;      $validated = 0;
  }   }
Line 5777  sub addline { Line 5951  sub addline {
     my ($fname,$hostid,$ip,$newline)=@_;      my ($fname,$hostid,$ip,$newline)=@_;
     my $contents;      my $contents;
     my $found=0;      my $found=0;
     my $expr='^'.$hostid.':'.$ip.':';      my $expr='^'.quotemeta($hostid).':'.quotemeta($ip).':';
     $expr =~ s/\./\\\./g;  
     my $sh;      my $sh;
     if ($sh=IO::File->new("$fname.subscription")) {      if ($sh=IO::File->new("$fname.subscription")) {
  while (my $subline=<$sh>) {   while (my $subline=<$sh>) {
Removed from v.1.344  
changed lines
  Added in v.1.362

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