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Diff for /loncom/lond between versions 1.533 and 1.549

version 1.533, 2017/03/13 18:30:02 version 1.549, 2018/08/20 22:42:05
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 229  my %trust = ( Line 233  my %trust = (
                dump => {remote => 1, enroll => 1, domroles => 1},                 dump => {remote => 1, enroll => 1, domroles => 1},
                edit => {institutiononly => 1},  #not used currently                 edit => {institutiononly => 1},  #not used currently
                eget => {remote => 1, domroles => 1, enroll => 1}, #not used currently                 eget => {remote => 1, domroles => 1, enroll => 1}, #not used currently
                  egetdom => {remote => 1, domroles => 1, enroll => 1, },
                ekey => {}, #not used currently                 ekey => {}, #not used currently
                exit => {anywhere => 1},                 exit => {anywhere => 1},
                fetchuserfile => {remote => 1, enroll => 1},                 fetchuserfile => {remote => 1, enroll => 1},
Line 265  my %trust = ( Line 270  my %trust = (
                putstore => {remote => 1, enroll => 1},                 putstore => {remote => 1, enroll => 1},
                queryreply => {anywhere => 1},                 queryreply => {anywhere => 1},
                querysend => {anywhere => 1},                 querysend => {anywhere => 1},
                  querysend_activitylog => {remote => 1},
                  querysend_allusers => {remote => 1, domroles => 1},
                  querysend_courselog => {remote => 1},
                  querysend_fetchenrollment => {remote => 1},
                  querysend_getinstuser => {remote => 1},
                  querysend_getmultinstusers => {remote => 1},
                  querysend_instdirsearch => {remote => 1, domroles => 1, coaurem => 1},
                  querysend_institutionalphotos => {remote => 1},
                  querysend_portfolio_metadata => {remote => 1, content => 1},
                  querysend_userlog => {remote => 1, domroles => 1},
                  querysend_usersearch => {remote => 1, enroll => 1, coaurem => 1},
                quit => {anywhere => 1},                 quit => {anywhere => 1},
                readlonnetglobal => {institutiononly => 1},                 readlonnetglobal => {institutiononly => 1},
                reinit => {manageronly => 1}, #not used currently                 reinit => {manageronly => 1}, #not used currently
Line 408  sub SSLConnection { Line 424  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 767  sub ConfigFileFromSelector { Line 792  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 $tablefile;
 }  }
Line 794  sub PushFile { Line 826  sub PushFile {
     my ($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 820  sub PushFile { Line 853  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 831  sub PushFile { Line 865  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 1594  sub du2_handler { Line 1633  sub du2_handler {
 #  #
 #    1. for a directory, and the path does not begin with one of:  #    1. for a directory, and the path does not begin with one of:
 #        (a) /home/httpd/html/res/<domain>  #        (a) /home/httpd/html/res/<domain>
 #        (b) /home/httpd/html/res/userfiles/  #        (b) /home/httpd/html/userfiles/
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles  #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
 #    or is:  #    or is:
 #  #
 #    2. for a file, and the path (after prepending) does not begin with:  #    2. for a file, and the path (after prepending) does not begin with one of:
 #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/  #        (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
   #        (b) /home/httpd/html/res/<domain>/<username>/
   #        (c) /home/httpd/html/userfiles/<domain>/<username>/
 #  #
 #    the response will be "refused".  #    the response will be "refused".
 #  #
Line 1630  sub ls_handler { Line 1671  sub ls_handler {
     }      }
     if (-e $ulsdir) {      if (-e $ulsdir) {
  if(-d $ulsdir) {   if(-d $ulsdir) {
             unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||              unless (($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||
                     ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/})) {                      ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles})) {
                 &Failure($client,"refused\n",$userinput);                  &Failure($client,"refused\n",$userinput);
                 return 1;                  return 1;
             }              }
Line 1658  sub ls_handler { Line 1699  sub ls_handler {
  closedir(LSDIR);   closedir(LSDIR);
     }      }
  } else {   } else {
             unless ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/}) {              unless (($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) ||
                       ($ulsdir =~ m{^/home/httpd/html/(?:res|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/})) {
                 &Failure($client,"refused\n",$userinput);                  &Failure($client,"refused\n",$userinput);
                 return 1;                  return 1;
             }              }
Line 1691  sub ls_handler { Line 1733  sub ls_handler {
 #  #
 #    1. for a directory, and the path does not begin with one of:  #    1. for a directory, and the path does not begin with one of:
 #        (a) /home/httpd/html/res/<domain>  #        (a) /home/httpd/html/res/<domain>
 #        (b) /home/httpd/html/res/userfiles/  #        (b) /home/httpd/html/userfiles/
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles  #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
 #    or is:  #    or is:
 #  #
 #    2. for a file, and the path (after prepending) does not begin with:  #    2. for a file, and the path (after prepending) does not begin with one of:
 #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/  #        (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
   #        (b) /home/httpd/html/res/<domain>/<username>/
   #        (c) /home/httpd/html/userfiles/<domain>/<username>/
 #  #
 #    the response will be "refused".  #    the response will be "refused".
 #  #
Line 1726  sub ls2_handler { Line 1770  sub ls2_handler {
     }      }
     if (-e $ulsdir) {      if (-e $ulsdir) {
         if(-d $ulsdir) {          if(-d $ulsdir) {
             unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||              unless (($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||
                     ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/})) {                      ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles})) {
                 &Failure($client,"refused\n","$userinput");                  &Failure($client,"refused\n","$userinput");
                 return 1;                  return 1;
             }              }
Line 1755  sub ls2_handler { Line 1799  sub ls2_handler {
                 closedir(LSDIR);                  closedir(LSDIR);
             }              }
         } else {          } else {
             unless ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/}) {              unless (($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) ||
                       ($ulsdir =~ m{^/home/httpd/html/(?:res|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/})) {
                 &Failure($client,"refused\n",$userinput);                  &Failure($client,"refused\n",$userinput);
                 return 1;                  return 1;
             }              }
Line 1780  sub ls2_handler { Line 1825  sub ls2_handler {
 #  #
 #    1. for a directory, and the path does not begin with one of:  #    1. for a directory, and the path does not begin with one of:
 #        (a) /home/httpd/html/res/<domain>  #        (a) /home/httpd/html/res/<domain>
 #        (b) /home/httpd/html/res/userfiles/  #        (b) /home/httpd/html/userfiles/
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles  #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
 #        (d) /home/httpd/html/priv/<domain>/ and client is the homeserver  #        (d) /home/httpd/html/priv/<domain> and client is the homeserver
 #  #
 #    or is:  #    or is:
 #  #
 #    2. for a file, and the path (after prepending) does not begin with:  #    2. for a file, and the path (after prepending) does not begin with one of:
 #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/  #        (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
   #        (b) /home/httpd/html/res/<domain>/<username>/
   #        (c) /home/httpd/html/userfiles/<domain>/<username>/
   #        (d) /home/httpd/html/priv/<domain>/<username>/ and client is the homeserver
 #  #
 #    the response will be "refused".  #    the response will be "refused".
 #  #
Line 1861  sub ls3_handler { Line 1909  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) || ($getuserdir) ||
                     ($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||                      ($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||
                     ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/}) ||                      ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles}) ||
                     (($ulsdir =~ m{/home/httpd/html/priv/$LONCAPA::match_domain/}) && ($islocal))) {                      (($ulsdir =~ m{^/home/httpd/html/priv/$LONCAPA::match_domain}) && ($islocal))) {
                 &Failure($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.'/'.$ulsfn);
Line 1895  sub ls3_handler { Line 1969  sub ls3_handler {
             }              }
         } else {          } else {
             unless (($getpropath) || ($getuserdir) ||              unless (($getpropath) || ($getuserdir) ||
                     ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/})) {                      ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) ||
                       ($ulsdir =~ m{^/home/httpd/html/(?:res|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/}) ||
                       (($ulsdir =~ m{^/home/httpd/html/priv/$LONCAPA::match_domain/$LONCAPA::match_name/}) && ($islocal))) {
                 &Failure($client,"refused\n",$userinput);                  &Failure($client,"refused\n",$userinput);
                 return 1;                  return 1;
             }              }
Line 2047  sub server_distarch_handler { Line 2123  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 2579  sub update_resource_handler { Line 2655  sub update_resource_handler {
  my $transname="$fname.in.transfer";   my $transname="$fname.in.transfer";
  my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname");   my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname");
  my $response;   my $response;
 # FIXME: cannot replicate files that take more than two minutes to transfer?  # FIXME: cannot replicate files that take more than two minutes to transfer -- needs checking now 1200s timeout used
 # alarm(120);  # for LWP request.
 # FIXME: this should use the LWP mechanism, not internal alarms.   my $request=new HTTP::Request('GET',"$remoteurl");
                 alarm(1200);                  $response=&LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,0,1);
  {  
     my $request=new HTTP::Request('GET',"$remoteurl");  
                     $response=&LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,0,1);  
  }  
  alarm(0);  
  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 {
     if ($remoteurl!~/\.meta$/) {      if ($remoteurl!~/\.meta$/) {
 # FIXME: isn't there an internal LWP mechanism for this?   my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
  alarm(120);                          my $mresponse = &LONCAPA::LWPReq::makerequest($clientname,$mrequest,$fname.'.meta',\%perlvar,120,0,1);
  {   if ($mresponse->is_error()) {
     my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');      unlink($fname.'.meta');
                             my $mresponse = &LONCAPA::LWPReq::makerequest($clientname,$mrequest,$fname.'.meta',\%perlvar,120,0,1);  
     if ($mresponse->is_error()) {  
  unlink($fname.'.meta');  
     }  
  }   }
  alarm(0);  
     }      }
                     # we successfully transfered, copy file over to real name                      # we successfully transfered, copy file over to real name
     rename($transname,$fname);      rename($transname,$fname);
Line 2674  sub fetch_user_file_handler { Line 2744  sub fetch_user_file_handler {
  my $remoteurl=$clientprotocol.'://'.$clienthost.'/userfiles/'.$fname;   my $remoteurl=$clientprotocol.'://'.$clienthost.'/userfiles/'.$fname;
  my $response;   my $response;
  Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname");   Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname");
  alarm(1200);   my $request=new HTTP::Request('GET',"$remoteurl");
  {          my $verifycert = 1;
     my $request=new HTTP::Request('GET',"$remoteurl");          my @machine_ids = &Apache::lonnet::current_machine_ids();
             my $verifycert = 1;          if (grep(/^\Q$clientname\E$/,@machine_ids)) {
             my @machine_ids = &Apache::lonnet::current_machine_ids();              $verifycert = 0;
             if (grep(/^\Q$clientname\E$/,@machine_ids)) {          }
                 $verifycert = 0;          $response = &LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,$verifycert);
             }  
             $response = &LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,$verifycert);  
  }  
  alarm(0);  
  if ($response->is_error()) {   if ($response->is_error()) {
     unlink($transname);      unlink($transname);
     my $message=$response->status_line;      my $message=$response->status_line;
Line 3382  sub get_profile_entry { Line 3448  sub get_profile_entry {
 #  #
 #  Parameters:  #  Parameters:
 #     $cmd               - Command keyword of request (eget).  #     $cmd               - Command keyword of request (eget).
 #     $tail              - Tail of the command.  See GetProfileEntry #                          for more information about this.  #     $tail              - Tail of the command.  See GetProfileEntry
   #                          for more information about this.
 #     $client            - File open on the client.  #     $client            - File open on the client.
 #  Returns:  #  Returns:
 #     1      - Continue processing  #     1      - Continue processing
Line 3954  sub retrieve_chat_handler { Line 4021  sub retrieve_chat_handler {
 #  serviced.  #  serviced.
 #  #
 #  Parameters:  #  Parameters:
 #     $cmd       - COmmand keyword that initiated the request.  #     $cmd       - Command keyword that initiated the request.
 #     $tail      - Remainder of the command after the keyword.  #     $tail      - Remainder of the command after the keyword.
 #                  For this function, this consists of a query and  #                  For this function, this consists of a query and
 #                  3 arguments that are self-documentingly labelled  #                  3 arguments that are self-documentingly labelled
Line 3968  sub retrieve_chat_handler { Line 4035  sub retrieve_chat_handler {
 sub send_query_handler {  sub send_query_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
   
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($query,$arg1,$arg2,$arg3)=split(/\:/,$tail);      my ($query,$arg1,$arg2,$arg3)=split(/\:/,$tail);
     $query=~s/\n*$//g;      $query=~s/\n*$//g;
       if (($query eq 'usersearch') || ($query eq 'instdirsearch')) {
           my $usersearchconf = &get_usersearch_config($currentdomainid,'directorysrch');
           my $earlyout;
           if (ref($usersearchconf) eq 'HASH') {
               if ($currentdomainid eq $clienthomedom) {
                   if ($query eq 'usersearch') {
                       if ($usersearchconf->{'lcavailable'} eq '0') {
                           $earlyout = 1;
                       }
                   } else {
                       if ($usersearchconf->{'available'} eq '0') {
                           $earlyout = 1;
                       }
                   }
               } else {
                   if ($query eq 'usersearch') {
                       if ($usersearchconf->{'lclocalonly'}) {
                           $earlyout = 1;
                       }
                   } else {
                       if ($usersearchconf->{'localonly'}) {
                           $earlyout = 1;
                       }
                   }
               }
           }
           if ($earlyout) {
               &Reply($client, "query_not_authorized\n");
               return 1;
           }
       }
     &Reply($client, "". &sql_reply("$clientname\&$query".      &Reply($client, "". &sql_reply("$clientname\&$query".
  "\&$arg1"."\&$arg2"."\&$arg3")."\n",   "\&$arg1"."\&$arg2"."\&$arg3")."\n",
   $userinput);    $userinput);
Line 4835  sub get_domain_handler { Line 4932  sub get_domain_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
   
     my $userinput = "$client:$tail";      my $userinput = "$cmd:$tail";
   
       my ($udom,$namespace,$what)=split(/:/,$tail,3);
       chomp($what);
       if ($namespace =~ /^enc/) {
           &Failure( $client, "refused\n", $userinput);
       } else {
           my @queries=split(/\&/,$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, $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);
   
   sub encrypted_get_domain_handler {
       my ($cmd, $tail, $client) = @_;
   
       my $userinput = "$cmd:$tail";
   
     my ($udom,$namespace,$what)=split(/:/,$tail,3);      my ($udom,$namespace,$what)=split(/:/,$tail,3);
     chomp($what);      chomp($what);
Line 4848  sub get_domain_handler { Line 4979  sub get_domain_handler {
         }          }
         if (&untie_domain_hash($hashref)) {          if (&untie_domain_hash($hashref)) {
             $qresult=~s/\&$//;              $qresult=~s/\&$//;
             &Reply($client, \$qresult, $userinput);              if ($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 {          } else {
             &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".              &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".
                       "while attempting getdom\n",$userinput);                        "while attempting egetdom\n",$userinput);
         }          }
     } else {      } else {
         &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".          &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".
                  "while attempting getdom\n",$userinput);                   "while attempting egetdom\n",$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 5656  sub validate_course_section_handler { Line 5799  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 5683  sub validate_class_access_handler { Line 5827  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 5760  sub auto_export_grades_handler { Line 5954  sub auto_export_grades_handler {
     return 1;      return 1;
 }  }
 &register_handler("autoexportgrades", \&auto_export_grades_handler,  &register_handler("autoexportgrades", \&auto_export_grades_handler,
                   0, 1, 0);                    1, 1, 0);
   
 #   Retrieve and remove temporary files created by/during autoenrollment.  #   Retrieve and remove temporary files created by/during autoenrollment.
 #  #
Line 6511  sub process_request { Line 6705  sub process_request {
     $ok = 0;      $ok = 0;
  }   }
         if ($ok) {          if ($ok) {
               my $realcommand = $command;
               if ($command eq 'querysend') {
                   my ($query,$rest)=split(/\:/,$tail,2);
                   $query=~s/\n*$//g;
                   my @possqueries = 
                       qw(userlog courselog fetchenrollment institutionalphotos usersearch instdirsearch getinstuser getmultinstusers);
                   if (grep(/^\Q$query\E$/,@possqueries)) {
                       $command .= '_'.$query;
                   } elsif ($query eq 'prepare activity log') {
                       $command .= '_activitylog';
                   }
               }
             if (ref($trust{$command}) eq 'HASH') {              if (ref($trust{$command}) eq 'HASH') {
                 my $donechecks;                  my $donechecks;
                 if ($trust{$command}{'anywhere'}) {                  if ($trust{$command}{'anywhere'}) {
Line 6552  sub process_request { Line 6758  sub process_request {
                     }                      }
                 }                  }
             }              }
               $command = $realcommand;
         }          }
   
  if($ok) {   if($ok) {
Line 6838  sub UpdateHosts { Line 7045  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 $type ('dom','intdom','other') {
Line 7120  if ($arch eq 'unknown') { Line 7327  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 8215  sub make_passwd_file { Line 8422  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 8267  sub get_usersession_config { Line 8482  sub get_usersession_config {
     return;      return;
 }  }
   
   sub get_usersearch_config {
       my ($dom,$name) = @_;
       my ($usersearchconf,$cached)=&Apache::lonnet::is_cached_new($name,$dom);
       if (defined($cached)) {
           return $usersearchconf;
       } else {
           my %domconfig = &Apache::lonnet::get_dom('configuration',['directorysrch'],$dom);
           &Apache::lonnet::do_cache_new($name,$dom,$domconfig{'directorysrch'},600);
           return $domconfig{'directorysrch'};
       }
       return;
   }
   
 sub get_prohibited {  sub get_prohibited {
     my ($dom) = @_;      my ($dom) = @_;
     my $name = 'trust';      my $name = 'trust';
Line 8627  IO::File Line 8855  IO::File
 Apache::File  Apache::File
 POSIX  POSIX
 Crypt::IDEA  Crypt::IDEA
 LWP::UserAgent()  
 GDBM_File  GDBM_File
 Authen::Krb4  Authen::Krb4
 Authen::Krb5  Authen::Krb5
Line 8709  is closed and the child exits. Line 8936  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.1.533  
changed lines
  Added in v.1.549

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