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Diff for /loncom/lond between versions 1.489.2.35.2.3 and 1.489.2.42

version 1.489.2.35.2.3, 2020/10/26 04:08:56 version 1.489.2.42, 2021/12/14 14:16:13
Line 4662  sub put_domain_handler { Line 4662  sub put_domain_handler {
 # domain directory.  # domain directory.
 #  #
 # Parameters:  # Parameters:
 #   $cmd             - Command request keyword (get).  #   $cmd             - Command request keyword (getdom).
 #   $tail            - Tail of the command.  This is a colon separated list  #   $tail            - Tail of the command.  This is a colon separated list
 #                      consisting of the domain and the 'namespace'   #                      consisting of the domain and the 'namespace' 
 #                      which selects the gdbm file to do the lookup in,  #                      which selects the gdbm file to do the lookup in,
Line 4679  sub put_domain_handler { Line 4679  sub put_domain_handler {
 sub get_domain_handler {  sub get_domain_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
   
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($udom,$namespace,$what)=split(/:/,$tail,3);      my ($udom,$namespace,$what)=split(/:/,$tail,3);
     chomp($what);      my $res = LONCAPA::Lond::get_dom($userinput);
     if ($namespace =~ /^enc/) {      if ($res =~ /^error:/) {
         &Failure( $client, "refused\n", $userinput);          &Failure($client, \$res, $userinput);
     } else {      } else {
         my @queries=split(/\&/,$what);          &Reply($client, \$res, $userinput);
         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, $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;      return 1;
 }  }
 &register_handler("getdom", \&get_domain_handler, 0, 1, 0);  &register_handler("getdom", \&get_domain_handler, 0, 1, 0);
   
 sub encrypted_get_domain_handler {  
     my ($cmd, $tail, $client) = @_;  
   
     my $userinput = "$cmd:$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)) {  
             $qresult=~s/\&$//;  
             if ($cipher) {  
                 my $cmdlength=length($qresult);  
                 $qresult.="         ";  
                 my $encqresult='';  
                 for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {  
                     $encqresult.= unpack("H16",  
                                          $cipher->encrypt(substr($qresult,  
                                                                  $encidx,  
                                                                  8)));  
                 }  
                 &Reply( $client, "enc:$cmdlength:$encqresult\n", $userinput);  
             } else {  
                 &Failure( $client, "error:no_key\n", $userinput);  
             }  
         } else {  
             &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".  
                       "while attempting egetdom\n",$userinput);  
         }  
     } else {  
         &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".  
                  "while attempting egetdom\n",$userinput);  
     }  
     return 1;  
 }  
 &register_handler("egetdom", \&encrypted_get_domain_handler, 1, 1, 0);  
   
 #  #
 #  Puts an id to a domains id database.   #  Puts an id to a domains id database. 
 #  #
Line 5178  sub tmp_put_handler { Line 5118  sub tmp_put_handler {
     }      }
     my ($id,$store);      my ($id,$store);
     $tmpsnum++;      $tmpsnum++;
     if (($context eq 'resetpw') || ($context eq 'createaccount')) {      my $numtries = 0;
         $id = &md5_hex(&md5_hex(time.{}.rand().$$));      my $execdir=$perlvar{'lonDaemons'};
       if (($context eq 'resetpw') || ($context eq 'createaccount') ||
           ($context eq 'sso') || ($context eq 'link') || ($context eq 'retry')) {
           $id = &md5_hex(&md5_hex(time.{}.rand().$$.$tmpsnum));
           while ((-e "$execdir/tmp/$id.tmp") && ($numtries <10)) {
               undef($id);
               $id = &md5_hex(&md5_hex(time.{}.rand().$$.$tmpsnum));
               $numtries ++;
           }
     } else {      } else {
         $id = $$.'_'.$clientip.'_'.$tmpsnum;          $id = $$.'_'.$clientip.'_'.$tmpsnum;
     }      }
     $id=~s/\W/\_/g;      $id=~s/\W/\_/g;
     $record=~s/\n//g;      $record=~s/\n//g;
     my $execdir=$perlvar{'lonDaemons'};      if (($id ne '') &&
     if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) {          ($store=IO::File->new(">$execdir/tmp/$id.tmp"))) {
  print $store $record;   print $store $record;
  close $store;   close $store;
  &Reply($client, \$id, $userinput);   &Reply($client, \$id, $userinput);
Line 5561  sub validate_instcode_handler { Line 5509  sub validate_instcode_handler {
 }  }
 &register_handler("autovalidateinstcode", \&validate_instcode_handler, 0, 1, 0);  &register_handler("autovalidateinstcode", \&validate_instcode_handler, 0, 1, 0);
   
   #
   #  Validate co-owner for cross-listed institutional code and
   #  institutional course code itself used for a LON-CAPA course.
   #
   # Formal Parameters:
   #   $cmd          - The command request that got us dispatched.
   #   $tail         - The tail of the command.  In this case,
   #                   this is a colon separated string containing:
   #      $dom            - Course's LON-CAPA domain
   #      $instcode       - Institutional course code for the course
   #      $inst_xlist     - Institutional course Id for the crosslisting
   #      $coowner        - Username of co-owner
   #      (values for all but $dom have been escaped).
   #
   #   $client       - Socket open on the client.
   # Returns:
   #    1           - Indicating processing should continue.
   #
   sub validate_instcrosslist_handler  {
       my ($cmd, $tail, $client) = @_;
       my $userinput = "$cmd:$tail";
       my ($dom,$instcode,$inst_xlist,$coowner) = split(/:/,$tail);
       $instcode = &unescape($instcode);
       $inst_xlist = &unescape($inst_xlist);
       $coowner = &unescape($coowner);
       my $outcome = &localenroll::validate_crosslist_access($dom,$instcode,
                                                             $inst_xlist,$coowner);
       &Reply($client, \$outcome, $userinput);
   
       return 1;
   }
   &register_handler("autovalidateinstcrosslist", \&validate_instcrosslist_handler, 0, 1, 0);
   
 #   Get the official sections for which auto-enrollment is possible.  #   Get the official sections for which auto-enrollment is possible.
 #   Since the admin people won't know about 'unofficial sections'   #   Since the admin people won't know about 'unofficial sections' 
 #   we cannot auto-enroll on them.  #   we cannot auto-enroll on them.
Line 5685  sub validate_class_access_handler { Line 5666  sub validate_class_access_handler {
 &register_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0);  &register_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0);
   
 #  #
   #    Modify institutional sections (using customized &instsec_reformat()
   #    routine in localenroll.pm), to either clutter or declutter, for
   #    purposes of ensuring an institutional course section (string) can
   #    be unambiguously separated into institutional course and section.
   #
   # Formal Parameters:
   #    $cmd     - The command request that got us dispatched.
   #    $tail    - The tail of the command.   In this case this is a colon separated
   #               set of values that will be split into:
   #               $cdom        - The LON-CAPA domain of the course.
   #               $action      - Either: clutter or declutter
   #                              clutter adds character(s) to eliminate ambiguity
   #                              declutter removes the added characters (e.g., for
   #                              display of the institutional course section string.
   #               $info        - A frozen hash in which keys are:
   #                              LON-CAPA course number:Institutional course code
   #                              and values are a reference to an array of the
   #                              items to modify -- either institutional sections,
   #                              or institutional course sections (for crosslistings).
   #    $client  - The socket open on the client.
   # Returns:
   #    1 - continue processing.
   #
   
   sub instsec_reformat_handler {
       my ($cmd, $tail, $client) = @_;
       my $userinput = "$cmd:$tail";
       my ($cdom,$action,$info) = split(/:/,$tail);
       my $instsecref = &Apache::lonnet::thaw_unescape($info);
       my ($outcome,$result);
       eval {
           local($SIG{__DIE__})='DEFAULT';
           $outcome=&localenroll::instsec_reformat($cdom,$action,$instsecref);
           if ($outcome eq 'ok') {
               if (ref($instsecref) eq 'HASH') {
                   foreach my $key (keys(%{$instsecref})) {
                       $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($instsecref->{$key}).'&';
                   }
                   $result =~ s/\&$//;
               }
           }
       };
       if (!$@) {
           if ($outcome eq 'ok') {
               &Reply( $client, \$result, $userinput);
           } else {
               &Reply($client,\$outcome, $userinput);
           }
       } else {
           &Failure($client,"unknown_cmd\n",$userinput);
       }
       return 1;
   }
   &register_handler("autoinstsecreformat",\&instsec_reformat_handler, 0, 1, 0);
   
   #
 #   Validate course owner or co-owners(s) access to enrollment data for all sections  #   Validate course owner or co-owners(s) access to enrollment data for all sections
 #   and crosslistings for a particular course.  #   and crosslistings for a particular course.
 #  #
Line 7329  sub make_new_child { Line 7366  sub make_new_child {
  Debug("Main: Got $user_input\n");   Debug("Main: Got $user_input\n");
  $keep_going = &process_request($user_input);   $keep_going = &process_request($user_input);
  alarm(0);   alarm(0);
  &status('Listening to '.$clientname." ($keymode)");      &status('Listening to '.$clientname." ($keymode)");
     }      }
   
 # --------------------------------------------- client unknown or fishy, refuse  # --------------------------------------------- client unknown or fishy, refuse
Line 7345  sub make_new_child { Line 7382  sub make_new_child {
           
     &logthis("<font color='red'>CRITICAL: "      &logthis("<font color='red'>CRITICAL: "
      ."Disconnect from $clientip ($clientname)</font>");           ."Disconnect from $clientip ($clientname)</font>");    
       
       
     # this exit is VERY important, otherwise the child will become      # this exit is VERY important, otherwise the child will become
     # a producer of more and more children, forking yourself into      # a producer of more and more children, forking yourself into
     # process death.      # process death.
Removed from v.1.489.2.35.2.3  
changed lines
  Added in v.1.489.2.42

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