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Diff for /loncom/lond between versions 1.489.2.40 and 1.489.2.43.2.1

version 1.489.2.40, 2021/02/10 15:05:51 version 1.489.2.43.2.1, 2021/12/31 14:50:30
Line 1795  sub read_lonnet_global { Line 1795  sub read_lonnet_global {
                 }                  }
                 if ($what eq 'perlvar') {                  if ($what eq 'perlvar') {
                     if (!exists($packagevars{$what}{'lonBalancer'})) {                      if (!exists($packagevars{$what}{'lonBalancer'})) {
                         if ($dist =~ /^(centos|rhes|fedora|scientific|oracle)/) {                          if ($dist =~ /^(centos|rhes|fedora|scientific|oracle|rocky|alma)/) {
                             my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf');                              my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf');
                             if (ref($othervarref) eq 'HASH') {                              if (ref($othervarref) eq 'HASH') {
                                 $items->{'lonBalancer'} = $othervarref->{'lonBalancer'};                                  $items->{'lonBalancer'} = $othervarref->{'lonBalancer'};
Line 3536  sub dump_with_regexp { Line 3536  sub dump_with_regexp {
 }  }
 &register_handler("dump", \&dump_with_regexp, 0, 1, 0);  &register_handler("dump", \&dump_with_regexp, 0, 1, 0);
   
   #
   #  Process the encrypted dump request. Original call should
   #  be from lonnet::dump() with seventh arg ($encrypt) set to
   #  1, to ensure that both request and response are encrypted.
   #
   #  Parameters:
   #     $cmd               - Command keyword of request (edump).
   #     $tail              - Tail of the command.
   #                          See &dump_with_regexp for more
   #                          information about this.
   #     $client            - File open on the client.
   #  Returns:
   #     1      - Continue processing
   #     0      - server should exit.
   #
   
   sub encrypted_dump_with_regexp {
       my ($cmd, $tail, $client) = @_;
       my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
   
       if ($res =~ /^error:/) {
           Failure($client, \$res, "$cmd:$tail");
       } else {
           if ($cipher) {
               my $cmdlength=length($res);
               $res.="         ";
               my $encres='';
               for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
                   $encres.= unpack("H16",
                                    $cipher->encrypt(substr($res,
                                                            $encidx,
                                                            8)));
               }
               &Reply( $client,"enc:$cmdlength:$encres\n","$cmd:$tail");
           } else {
               &Failure( $client, "error:no_key\n","$cmd:$tail");
           }
       }
   }
   &register_handler("edump", \&encrypted_dump_with_regexp, 0, 1, 0);
   
 #  Store a set of key=value pairs associated with a versioned name.  #  Store a set of key=value pairs associated with a versioned name.
 #  #
 #  Parameters:  #  Parameters:
Line 4682  sub get_domain_handler { Line 4723  sub get_domain_handler {
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($udom,$namespace,$what)=split(/:/,$tail,3);      my ($udom,$namespace,$what)=split(/:/,$tail,3);
       if ($namespace =~ /^enc/) {
           &Failure( $client, "refused\n", $userinput);
       } else {
           my $res = LONCAPA::Lond::get_dom($userinput);
           if ($res =~ /^error:/) {
               &Failure($client, \$res, $userinput);
           } else {
               &Reply($client, \$res, $userinput);
           }
       }
   
       return 1;
   }
   &register_handler("getdom", \&get_domain_handler, 0, 1, 0);
   
   sub encrypted_get_domain_handler {
       my ($cmd, $tail, $client) = @_;
   
       my $userinput = "$cmd:$tail";
   
     my $res = LONCAPA::Lond::get_dom($userinput);      my $res = LONCAPA::Lond::get_dom($userinput);
     if ($res =~ /^error:/) {      if ($res =~ /^error:/) {
         &Failure($client, \$res, $userinput);          &Failure($client, \$res, $userinput);
     } else {      } else {
         &Reply($client, \$res, $userinput);          if ($cipher) {
               my $cmdlength=length($res);
               $res.="         ";
               my $encres='';
               for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
                   $encres.= unpack("H16",
                                    $cipher->encrypt(substr($res,
                                                            $encidx,
                                                            8)));
               }
               &Reply( $client,"enc:$cmdlength:$encres\n",$userinput);
           } else {
               &Failure( $client, "error:no_key\n",$userinput);
           }
     }      }
   
     return 1;      return 1;
 }  }
 &register_handler("getdom", \&get_domain_handler, 0, 1, 0);  &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 5118  sub tmp_put_handler { Line 5191  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 5501  sub validate_instcode_handler { Line 5582  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 5625  sub validate_class_access_handler { Line 5739  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 7103  sub make_new_child { Line 7273  sub make_new_child {
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
   
         my $no_ets;          my $no_ets;
         if ($dist =~ /^(?:centos|rhes|scientific|oracle)(\d+)$/) {          if ($dist =~ /^(?:centos|rhes|scientific|oracle|rocky|alma)(\d+)/) {
             if ($1 >= 7) {              if ($1 >= 7) {
                 $no_ets = 1;                  $no_ets = 1;
             }              }
Line 7269  sub make_new_child { Line 7439  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 7285  sub make_new_child { Line 7455  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.1.489.2.40  
changed lines
  Added in v.1.489.2.43.2.1

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