Diff for /loncom/lond between versions 1.540 and 1.552

version 1.540, 2017/06/06 20:03:24 version 1.552, 2018/12/02 16:17:21
Line 108  my %perlvar;   # Will have the apache co Line 108  my %perlvar;   # Will have the apache co
 my %secureconf;                 # Will have requirements for security   my %secureconf;                 # Will have requirements for security 
                                 # of lond connections                                  # of lond connections
   
   my %crlchecked;                 # Will contain clients for which the client's SSL
                                   # has been checked against the cluster's Certificate
                                   # Revocation List.
   
 my $dist;  my $dist;
   
 #  #
Line 172  my @installerrors = ("ok", Line 176  my @installerrors = ("ok",
 # shared    ("Access to other domain's content by this domain")  # shared    ("Access to other domain's content by this domain")
 # enroll    ("Enrollment in this domain's courses by others")  # enroll    ("Enrollment in this domain's courses by others")
 # coaurem   ("Co-author roles for this domain's users elsewhere")  # coaurem   ("Co-author roles for this domain's users elsewhere")
   # othcoau   ("Co-author roles in this domain for others")
 # domroles  ("Domain roles in this domain assignable to others")  # domroles  ("Domain roles in this domain assignable to others")
 # catalog   ("Course Catalog for this domain displayed elsewhere")  # catalog   ("Course Catalog for this domain displayed elsewhere")
 # reqcrs    ("Requests for creation of courses in this domain by others")  # reqcrs    ("Requests for creation of courses in this domain by others")
Line 220  my %trust = ( Line 225  my %trust = (
                dcmaildump => {remote => 1, domroles => 1},                 dcmaildump => {remote => 1, domroles => 1},
                dcmailput => {remote => 1, domroles => 1},                 dcmailput => {remote => 1, domroles => 1},
                del => {remote => 1, domroles => 1, enroll => 1, content => 1},                 del => {remote => 1, domroles => 1, enroll => 1, content => 1},
                  delbalcookie => {institutiononly => 1},
                deldom => {remote => 1, domroles => 1}, # not currently used                 deldom => {remote => 1, domroles => 1}, # not currently used
                devalidatecache => {institutiononly => 1},                 devalidatecache => {institutiononly => 1},
                domroleput => {remote => 1, enroll => 1},                 domroleput => {remote => 1, enroll => 1},
Line 295  my %trust = ( Line 301  my %trust = (
                store => {remote => 1, enroll => 1, reqcrs => 1,},                 store => {remote => 1, enroll => 1, reqcrs => 1,},
                studentphoto => {remote => 1, enroll => 1},                 studentphoto => {remote => 1, enroll => 1},
                sub => {content => 1,},                 sub => {content => 1,},
                tmpdel => {anywhere => 1},                 tmpdel => {institutiononly => 1},
                tmpget => {anywhere => 1},                 tmpget => {institutiononly => 1},
                tmpput => {anywhere => 1},                 tmpput => {remote => 1, othcoau => 1},
                tokenauthuserfile => {anywhere => 1},                 tokenauthuserfile => {anywhere => 1},
                unsub => {content => 1,},                 unsub => {content => 1,},
                update => {shared => 1},                 update => {shared => 1},
Line 420  sub SSLConnection { Line 426  sub SSLConnection {
     Debug("Approving promotion -> ssl");      Debug("Approving promotion -> ssl");
     #  And do so:      #  And do so:
   
       my $CRLFile;
       unless ($crlchecked{$clientname}) {
           $CRLFile = lonssl::CRLFile();
           $crlchecked{$clientname} = 1;
       }
   
     my $SSLSocket = lonssl::PromoteServerSocket($Socket,      my $SSLSocket = lonssl::PromoteServerSocket($Socket,
  $CACertificate,   $CACertificate,
  $Certificate,   $Certificate,
  $KeyFile);   $KeyFile,
    $clientname,
                                                   $CRLFile,
                                                   $clientversion);
     if(! ($SSLSocket) ) { # SSL socket promotion failed.      if(! ($SSLSocket) ) { # SSL socket promotion failed.
  my $err = lonssl::LastError();   my $err = lonssl::LastError();
  &logthis("<font color=\"red\"> CRITICAL "   &logthis("<font color=\"red\"> CRITICAL "
Line 779  sub ConfigFileFromSelector { Line 794  sub ConfigFileFromSelector {
     my $selector   = shift;      my $selector   = shift;
     my $tablefile;      my $tablefile;
   
     my $tabledir = $perlvar{'lonTabDir'}.'/';      if ($selector eq 'loncapaCAcrl') {
     if (($selector eq "hosts") || ($selector eq "domain") ||           my $tabledir = $perlvar{'lonCertificateDirectory'};
         ($selector eq "dns_hosts") || ($selector eq "dns_domain")) {          if (-d $tabledir) {
  $tablefile =  $tabledir.$selector.'.tab';              $tablefile =  $tabledir.'/'.$selector.'.pem';
           }
       } else {
           my $tabledir = $perlvar{'lonTabDir'}.'/';
           if (($selector eq "hosts") || ($selector eq "domain") || 
               ($selector eq "dns_hosts") || ($selector eq "dns_domain")) {
       $tablefile =  $tabledir.$selector.'.tab';
           }
     }      }
     return $tablefile;      return $tablefile;
 }  }
Line 806  sub PushFile { Line 828  sub PushFile {
     my ($command, $filename, $contents) = split(":", $request, 3);      my ($command, $filename, $contents) = split(":", $request, 3);
     &Debug("PushFile");      &Debug("PushFile");
           
     #  At this point in time, pushes for only the following tables are      #  At this point in time, pushes for only the following tables and
     #  supported:      #  CRL file are supported:
     #   hosts.tab  ($filename eq host).      #   hosts.tab  ($filename eq host).
     #   domain.tab ($filename eq domain).      #   domain.tab ($filename eq domain).
     #   dns_hosts.tab ($filename eq dns_host).      #   dns_hosts.tab ($filename eq dns_host).
     #   dns_domain.tab ($filename eq dns_domain).       #   dns_domain.tab ($filename eq dns_domain). 
       #   loncapaCAcrl.pem ($filename eq loncapaCAcrl);   
     # Construct the destination filename or reject the request.      # Construct the destination filename or reject the request.
     #      #
     # lonManage is supposed to ensure this, however this session could be      # lonManage is supposed to ensure this, however this session could be
Line 832  sub PushFile { Line 855  sub PushFile {
   
     if($filename eq "host") {      if($filename eq "host") {
  $contents = AdjustHostContents($contents);   $contents = AdjustHostContents($contents);
     } elsif ($filename eq 'dns_host' || $filename eq 'dns_domain') {      } elsif (($filename eq 'dns_host') || ($filename eq 'dns_domain') ||
                ($filename eq 'loncapaCAcrl')) {
         if ($contents eq '') {          if ($contents eq '') {
             &logthis('<font color="red"> Pushfile: unable to install '              &logthis('<font color="red"> Pushfile: unable to install '
                     .$tablefile." - no data received from push. </font>");                      .$tablefile." - no data received from push. </font>");
Line 843  sub PushFile { Line 867  sub PushFile {
             if ($managers{$clientip} eq $clientname) {              if ($managers{$clientip} eq $clientname) {
                 my $clientprotocol = $Apache::lonnet::protocol{$clientname};                  my $clientprotocol = $Apache::lonnet::protocol{$clientname};
                 $clientprotocol = 'http' if ($clientprotocol ne 'https');                  $clientprotocol = 'http' if ($clientprotocol ne 'https');
                 my $url = '/adm/'.$filename;                  my $url;
                 $url =~ s{_}{/};                  if ($filename eq 'loncapaCAcrl') {
                       $url = '/adm/dns/loncapaCRL';
                   } else {
                       $url = '/adm/'.$filename;
                       $url =~ s{_}{/};
                   }
                 my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url");                  my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url");
                 my $response = LONCAPA::LWPReq::makerequest($clientname,$request,'',\%perlvar,60,0);                  my $response = LONCAPA::LWPReq::makerequest($clientname,$request,'',\%perlvar,60,0);
                 if ($response->is_error()) {                  if ($response->is_error()) {
Line 1882  sub ls3_handler { Line 1911  sub ls3_handler {
     my $rights;      my $rights;
     my $ulsout='';      my $ulsout='';
     my $ulsfn;      my $ulsfn;
   
       my ($crscheck,$toplevel,$currdom,$currnum,$skip);
       unless ($islocal) {
           my ($major,$minor) = split(/\./,$clientversion);
           if (($major < 2) || ($major == 2 && $minor < 12)) {
               $crscheck = 1;
           }
       }
     if (-e $ulsdir) {      if (-e $ulsdir) {
         if(-d $ulsdir) {          if(-d $ulsdir) {
             unless (($getpropath) || ($getuserdir) ||              unless (($getpropath) || ($getuserdir) ||
Line 1891  sub ls3_handler { Line 1928  sub ls3_handler {
                 &Failure($client,"refused\n",$userinput);                  &Failure($client,"refused\n",$userinput);
                 return 1;                  return 1;
             }              }
             if (opendir(LSDIR,$ulsdir)) {              if (($crscheck) &&
                   ($ulsdir =~ m{^/home/httpd/html/res/($LONCAPA::match_domain)(/?$|/$LONCAPA::match_courseid)})) {
                   ($currdom,my $posscnum) = ($1,$2);
                   if (($posscnum eq '') || ($posscnum eq '/')) {
                       $toplevel = 1;
                   } else {
                       $posscnum =~ s{^/+}{};
                       if (&LONCAPA::Lond::is_course($currdom,$posscnum)) {
                           $skip = 1;
                       }
                   }
               }
               if ((!$skip) && (opendir(LSDIR,$ulsdir))) {
                 while ($ulsfn=readdir(LSDIR)) {                  while ($ulsfn=readdir(LSDIR)) {
                       if (($crscheck) && ($toplevel) && ($currdom ne '') &&
                           ($ulsfn =~ /^$LONCAPA::match_courseid$/) && (-d "$ulsdir/$ulsfn")) {
                           if (&LONCAPA::Lond::is_course($currdom,$ulsfn)) {
                               next;
                           }
                       }
                     undef($obs);                      undef($obs);
                     undef($rights);                      undef($rights);
                     my @ulsstats=stat($ulsdir.'/'.$ulsfn);                      my @ulsstats=stat($ulsdir.'/'.$ulsfn);
Line 2070  sub server_distarch_handler { Line 2125  sub server_distarch_handler {
 sub server_certs_handler {  sub server_certs_handler {
     my ($cmd,$tail,$client) = @_;      my ($cmd,$tail,$client) = @_;
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
     my $result;      my $hostname = &Apache::lonnet::hostname($perlvar{'lonHostID'});
     my $result = &LONCAPA::Lond::server_certs(\%perlvar);      my $result = &LONCAPA::Lond::server_certs(\%perlvar,$perlvar{'lonHostID'},$hostname);
     &Reply($client,\$result,$userinput);      &Reply($client,\$result,$userinput);
     return;      return;
 }  }
Line 2607  sub update_resource_handler { Line 2662  sub update_resource_handler {
  my $request=new HTTP::Request('GET',"$remoteurl");   my $request=new HTTP::Request('GET',"$remoteurl");
                 $response=&LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,0,1);                  $response=&LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,0,1);
  if ($response->is_error()) {   if ($response->is_error()) {
 # FIXME: we should probably clean up here instead of just whine                      my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname");
     unlink($transname);                      &devalidate_meta_cache($fname);
                       if (-e $transname) {
                           unlink($transname);
                       }
                       unlink($fname);
     my $message=$response->status_line;      my $message=$response->status_line;
     &logthis("LWP GET: $message for $fname ($remoteurl)");      &logthis("LWP GET: $message for $fname ($remoteurl)");
  } else {   } else {
Line 5464  sub tmp_del_handler { Line 5523  sub tmp_del_handler {
 &register_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);  &register_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);
   
 #  #
   #  Process the delbalcookie command. This command deletes a balancer
   #  cookie in the lonBalancedir directory created by switchserver
   #
   # Parameters:
   #   $cmd      - Command that got us here.
   #   $cookie   - Cookie to be deleted.
   #   $client   - socket open on the client process.
   #
   # Returns:
   #   1     - Indicating processing should continue.
   # Side Effects:
   #   A cookie file is deleted from the lonBalancedir directory
   #   A reply is sent to the client.
   sub del_balcookie_handler {
       my ($cmd, $cookie, $client) = @_;
   
       my $userinput= "$cmd:$cookie";
   
       chomp($cookie);
       my $deleted = '';
       if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) {
           my $execdir=$perlvar{'lonBalanceDir'};
           if (-e "$execdir/$cookie.id") {
               if (open(my $fh,'<',"$execdir/$cookie.id")) {
                   my $dodelete;
                   while (my $line = <$fh>) {
                       chomp($line);
                       if ($line eq $clientname) {
                           $dodelete = 1;
                           last;      
                       }
                   }
                   close($fh); 
                   if ($dodelete) {
                       if (unlink("$execdir/$cookie.id")) {
                           $deleted = 1;
                       }
                   }
               }
           }
       }
       if ($deleted) {
           &Reply($client, "ok\n", $userinput);
       } else {
           &Failure( $client, "error: ".($!+0)."Unlinking cookie file Failed ".
                     "while attempting delbalcookie\n", $userinput);
       }
       return 1;
   }
   &register_handler("delbalcookie", \&del_balcookie_handler, 0, 1, 0);
   
   #
 #   Processes the setannounce command.  This command  #   Processes the setannounce command.  This command
 #   creates a file named announce.txt in the top directory of  #   creates a file named announce.txt in the top directory of
 #   the documentn root and sets its contents.  The announce.txt file is  #   the documentn root and sets its contents.  The announce.txt file is
Line 5742  sub validate_course_section_handler { Line 5853  sub validate_course_section_handler {
 # Formal Parameters:  # Formal Parameters:
 #    $cmd     - The command request that got us dispatched.  #    $cmd     - The command request that got us dispatched.
 #    $tail    - The tail of the command.   In this case this is a colon separated  #    $tail    - The tail of the command.   In this case this is a colon separated
 #               set of words that will be split into:  #               set of values that will be split into:
 #               $inst_class  - Institutional code for the specific class section     #               $inst_class  - Institutional code for the specific class section   
 #               $courseowner - The escaped username:domain of the course owner   #               $ownerlist   - An escaped comma-separated list of username:domain 
   #                              of the course owner, and co-owner(s).
 #               $cdom        - The domain of the course from the institution's  #               $cdom        - The domain of the course from the institution's
 #                              point of view.  #                              point of view.
 #    $client  - The socket open on the client.  #    $client  - The socket open on the client.
Line 5769  sub validate_class_access_handler { Line 5881  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);
   
 #  #
   #   Validate course owner or co-owners(s) access to enrollment data for all sections
   #   and crosslistings for a particular 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
   #               set of values that will be split into:
   #               $ownerlist   - An escaped comma-separated list of username:domain
   #                              of the course owner, and co-owner(s).
   #               $cdom        - The domain of the course from the institution's
   #                              point of view.
   #               $classes     - Frozen hash of institutional course sections and
   #                              crosslistings.
   #    $client  - The socket open on the client.
   # Returns:
   #    1 - continue processing.
   #
   
   sub validate_classes_handler {
       my ($cmd, $tail, $client) = @_;
       my $userinput = "$cmd:$tail";
       my ($ownerlist,$cdom,$classes) = split(/:/, $tail);
       my $classesref = &Apache::lonnet::thaw_unescape($classes);
       my $owners = &unescape($ownerlist);
       my $result;
       eval {
           local($SIG{__DIE__})='DEFAULT';
           my %validations;
           my $response = &localenroll::check_instclasses($owners,$cdom,$classesref,
                                                          \%validations);
           if ($response eq 'ok') {
               foreach my $key (keys(%validations)) {
                   $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($validations{$key}).'&';
               }
               $result =~ s/\&$//;
           } else {
               $result = 'error';
           }
       };
       if (!$@) {
           &Reply($client, \$result, $userinput);
       } else {
           &Failure($client,"unknown_cmd\n",$userinput);
       }
       return 1;
   }
   &register_handler("autovalidateinstclasses", \&validate_classes_handler, 0, 1, 0);
   
   #
 #   Create a password for a new LON-CAPA user added by auto-enrollment.  #   Create a password for a new LON-CAPA user added by auto-enrollment.
 #   Only used for case where authentication method for new user is localauth  #   Only used for case where authentication method for new user is localauth
 #  #
Line 6802  my $wwwid=getpwnam('www'); Line 6964  my $wwwid=getpwnam('www');
 if ($wwwid!=$<) {  if ($wwwid!=$<) {
    my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";     my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
    my $subj="LON: $currenthostid User ID mismatch";     my $subj="LON: $currenthostid User ID mismatch";
    system("echo 'User ID mismatch.  lond must be run as user www.' |\     system("echo 'User ID mismatch.  lond must be run as user www.' |".
  mailto $emailto -s '$subj' > /dev/null");            " mail -s '$subj' $emailto > /dev/null");
    exit 1;     exit 1;
 }  }
   
Line 6937  sub UpdateHosts { Line 7099  sub UpdateHosts {
   
     my %oldconf = %secureconf;      my %oldconf = %secureconf;
     my %connchange;      my %connchange;
     if (lonssl::Read_Connect_Config(\%secureconf,\%perlvar) eq 'ok') {      if (lonssl::Read_Connect_Config(\%secureconf,\%crlchecked,\%perlvar) eq 'ok') {
         logthis('<font color="blue"> Reloaded SSL connection rules </font>');          logthis('<font color="blue"> Reloaded SSL connection rules and cleared CRL checking history </font>');
     } else {      } else {
         logthis('<font color="yellow"> Failed to reload SSL connection rules </font>');          logthis('<font color="yellow"> Failed to reload SSL connection rules and clear CRL checking history </font>');
     }      }
     if ((ref($oldconf{'connfrom'}) eq 'HASH') && (ref($secureconf{'connfrom'}) eq 'HASH')) {      if ((ref($oldconf{'connfrom'}) eq 'HASH') && (ref($secureconf{'connfrom'}) eq 'HASH')) {
         foreach my $type ('dom','intdom','other') {          foreach my $type ('dom','intdom','other') {
Line 7219  if ($arch eq 'unknown') { Line 7381  if ($arch eq 'unknown') {
     chomp($arch);      chomp($arch);
 }  }
   
 unless (lonssl::Read_Connect_Config(\%secureconf,\%perlvar) eq 'ok') {  unless (lonssl::Read_Connect_Config(\%secureconf,\%crlchecked,\%perlvar) eq 'ok') {
     &logthis('<font color="blue">No connectionrules table. Will fallback to loncapa.conf</font>');      &logthis('<font color="blue">No connectionrules table. Will fallback to loncapa.conf</font>');
 }  }
   
Line 8314  sub make_passwd_file { Line 8476  sub make_passwd_file {
  $result = "pass_file_failed_error";   $result = "pass_file_failed_error";
     }      }
  }   }
       } elsif ($umode eq 'lti') {
           my $pf = IO::File->new(">$passfilename");
           if($pf) {
               print $pf "lti:\n";
               &update_passwd_history($uname,$udom,$umode,$action);
           } else {
               $result = "pass_file_failed_error";
           }
     } else {      } else {
  $result="auth_mode_error";   $result="auth_mode_error";
     }      }
Line 8820  is closed and the child exits. Line 8990  is closed and the child exits.
 =item Red CRITICAL Can't get key file <error>          =item Red CRITICAL Can't get key file <error>        
   
 SSL key negotiation is being attempted but the call to  SSL key negotiation is being attempted but the call to
 lonssl::KeyFile  failed.  This usually means that the  lonssl::KeyFile failed.  This usually means that the
 configuration file is not correctly defining or protecting  configuration file is not correctly defining or protecting
 the directories/files lonCertificateDirectory or  the directories/files lonCertificateDirectory or
 lonnetPrivateKey  lonnetPrivateKey

Removed from v.1.540  
changed lines
  Added in v.1.552


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