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Diff for /loncom/lond between versions 1.489.2.45 and 1.523

version 1.489.2.45, 2022/02/27 02:13:24 version 1.523, 2016/07/25 19:49:45
Line 15 Line 15
 #  #
 # LON-CAPA is distributed in the hope that it will be useful,  # LON-CAPA is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of  # but WITHOUT ANY WARRANTY; without even the implied warranty of
   
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.  # GNU General Public License for more details.
 #  #
Line 40  use IO::File; Line 41  use IO::File;
 #use Apache::File;  #use Apache::File;
 use POSIX;  use POSIX;
 use Crypt::IDEA;  use Crypt::IDEA;
 use LWP::UserAgent();  use HTTP::Request;
 use Digest::MD5 qw(md5_hex);  use Digest::MD5 qw(md5_hex);
 use GDBM_File;  use GDBM_File;
 use Authen::Krb5;  use Authen::Krb5;
Line 57  use Mail::Send; Line 58  use Mail::Send;
 use Crypt::Eksblowfish::Bcrypt;  use Crypt::Eksblowfish::Bcrypt;
 use Digest::SHA;  use Digest::SHA;
 use Encode;  use Encode;
   use LONCAPA::LWPReq;
   
 my $DEBUG = 0;       # Non zero to enable debug log entries.  my $DEBUG = 0;       # Non zero to enable debug log entries.
   
Line 666  sub PushFile { Line 668  sub PushFile {
                 $clientprotocol = 'http' if ($clientprotocol ne 'https');                  $clientprotocol = 'http' if ($clientprotocol ne 'https');
                 my $url = '/adm/'.$filename;                  my $url = '/adm/'.$filename;
                 $url =~ s{_}{/};                  $url =~ s{_}{/};
                 my $ua=new LWP::UserAgent;  
                 $ua->timeout(60);  
                 my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url");                  my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url");
                 my $response=$ua->request($request);                  my $response = LONCAPA::LWPReq::makerequest($clientname,$request,'',\%perlvar,60,0);
                 if ($response->is_error()) {                  if ($response->is_error()) {
                     &logthis('<font color="red"> Pushfile: unable to install '                      &logthis('<font color="red"> Pushfile: unable to install '
                             .$tablefile." - error attempting to pull data. </font>");                              .$tablefile." - error attempting to pull data. </font>");
Line 1424  sub du2_handler { Line 1424  sub du2_handler {
 #    selected directory the filename followed by the full output of  #    selected directory the filename followed by the full output of
 #    the stat function is returned.  The returned info for each  #    the stat function is returned.  The returned info for each
 #    file are separated by ':'.  The stat fields are separated by &'s.  #    file are separated by ':'.  The stat fields are separated by &'s.
 #  
 #    If the requested path contains /../ or is:  
 #  
 #    1. for a directory, and the path does not begin with one of:  
 #        (a) /home/httpd/html/res/<domain>  
 #        (b) /home/httpd/html/userfiles/  
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles  
 #    or is:  
 #  
 #    2. for a file, and the path (after prepending) does not begin with one of:  
 #        (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".  
 #  
 # Parameters:  # Parameters:
 #    $cmd        - The command that dispatched us (ls).  #    $cmd        - The command that dispatched us (ls).
 #    $ulsdir     - The directory path to list... I'm not sure what this  #    $ulsdir     - The directory path to list... I'm not sure what this
Line 1461  sub ls_handler { Line 1445  sub ls_handler {
     my $rights;      my $rights;
     my $ulsout='';      my $ulsout='';
     my $ulsfn;      my $ulsfn;
     if ($ulsdir =~m{/\.\./}) {  
         &Failure($client,"refused\n",$userinput);  
         return 1;  
     }  
     if (-e $ulsdir) {      if (-e $ulsdir) {
  if(-d $ulsdir) {   if(-d $ulsdir) {
             unless (($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||  
                     ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles})) {  
                 &Failure($client,"refused\n",$userinput);  
                 return 1;  
             }  
     if (opendir(LSDIR,$ulsdir)) {      if (opendir(LSDIR,$ulsdir)) {
  while ($ulsfn=readdir(LSDIR)) {   while ($ulsfn=readdir(LSDIR)) {
     undef($obs);      undef($obs);
Line 1495  sub ls_handler { Line 1470  sub ls_handler {
  closedir(LSDIR);   closedir(LSDIR);
     }      }
  } else {   } else {
             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);  
                 return 1;  
             }  
     my @ulsstats=stat($ulsdir);      my @ulsstats=stat($ulsdir);
     $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';      $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
  }   }
Line 1524  sub ls_handler { Line 1494  sub ls_handler {
 #    selected directory the filename followed by the full output of  #    selected directory the filename followed by the full output of
 #    the stat function is returned.  The returned info for each  #    the stat function is returned.  The returned info for each
 #    file are separated by ':'.  The stat fields are separated by &'s.  #    file are separated by ':'.  The stat fields are separated by &'s.
 #  
 #    If the requested path contains /../ or is:  
 #  
 #    1. for a directory, and the path does not begin with one of:  
 #        (a) /home/httpd/html/res/<domain>  
 #        (b) /home/httpd/html/userfiles/  
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles  
 #    or is:  
 #  
 #    2. for a file, and the path (after prepending) does not begin with one of:  
 #        (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".  
 #  
 # Parameters:  # Parameters:
 #    $cmd        - The command that dispatched us (ls).  #    $cmd        - The command that dispatched us (ls).
 #    $ulsdir     - The directory path to list... I'm not sure what this  #    $ulsdir     - The directory path to list... I'm not sure what this
Line 1560  sub ls2_handler { Line 1514  sub ls2_handler {
     my $rights;      my $rights;
     my $ulsout='';      my $ulsout='';
     my $ulsfn;      my $ulsfn;
     if ($ulsdir =~m{/\.\./}) {  
         &Failure($client,"refused\n",$userinput);  
         return 1;  
     }  
     if (-e $ulsdir) {      if (-e $ulsdir) {
         if(-d $ulsdir) {          if(-d $ulsdir) {
             unless (($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||  
                     ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles})) {  
                 &Failure($client,"refused\n","$userinput");  
                 return 1;  
             }  
             if (opendir(LSDIR,$ulsdir)) {              if (opendir(LSDIR,$ulsdir)) {
                 while ($ulsfn=readdir(LSDIR)) {                  while ($ulsfn=readdir(LSDIR)) {
                     undef($obs);                      undef($obs);
Line 1595  sub ls2_handler { Line 1540  sub ls2_handler {
                 closedir(LSDIR);                  closedir(LSDIR);
             }              }
         } else {          } else {
             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);  
                 return 1;  
             }  
             my @ulsstats=stat($ulsdir);              my @ulsstats=stat($ulsdir);
             $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';              $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
         }          }
Line 1616  sub ls2_handler { Line 1556  sub ls2_handler {
 #    selected directory the filename followed by the full output of  #    selected directory the filename followed by the full output of
 #    the stat function is returned.  The returned info for each  #    the stat function is returned.  The returned info for each
 #    file are separated by ':'.  The stat fields are separated by &'s.  #    file are separated by ':'.  The stat fields are separated by &'s.
 #  
 #    If the requested path (after prepending) contains /../ or is:  
 #  
 #    1. for a directory, and the path does not begin with one of:  
 #        (a) /home/httpd/html/res/<domain>  
 #        (b) /home/httpd/html/userfiles/  
 #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles  
 #        (d) /home/httpd/html/priv/<domain> and client is the homeserver  
 #  
 #    or is:  
 #  
 #    2. for a file, and the path (after prepending) does not begin with one of:  
 #        (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".  
 #  
 # Parameters:  # Parameters:
 #    $cmd        - The command that dispatched us (ls).  #    $cmd        - The command that dispatched us (ls).
 #    $tail       - The tail of the request that invoked us.  #    $tail       - The tail of the request that invoked us.
Line 1674  sub ls3_handler { Line 1595  sub ls3_handler {
     }      }
   
     my $dir_root = $perlvar{'lonDocRoot'};      my $dir_root = $perlvar{'lonDocRoot'};
     if (($getpropath) || ($getuserdir)) {      if ($getpropath) {
         if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {          if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {
             $dir_root = &propath($udom,$uname);              $dir_root = &propath($udom,$uname);
             $dir_root =~ s/\/$//;              $dir_root =~ s/\/$//;
         } else {          } else {
             &Failure($client,"refused\n",$userinput);              &Failure($client,"refused\n","$cmd:$tail");
               return 1;
           }
       } elsif ($getuserdir) {
           if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {
               my $subdir=$uname.'__';
               $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
               $dir_root = $Apache::lonnet::perlvar{'lonUsersDir'}
                          ."/$udom/$subdir/$uname";
           } else {
               &Failure($client,"refused\n","$cmd:$tail");
             return 1;              return 1;
         }          }
     } elsif ($alternate_root ne '') {      } elsif ($alternate_root ne '') {
Line 1692  sub ls3_handler { Line 1623  sub ls3_handler {
             $ulsdir = $dir_root.'/'.$ulsdir;              $ulsdir = $dir_root.'/'.$ulsdir;
         }          }
     }      }
     if ($ulsdir =~m{/\.\./}) {  
         &Failure($client,"refused\n",$userinput);  
         return 1;  
     }  
     my $islocal;  
     my @machine_ids = &Apache::lonnet::current_machine_ids();  
     if (grep(/^\Q$clientname\E$/,@machine_ids)) {  
         $islocal = 1;  
     }  
     my $obs;      my $obs;
     my $rights;      my $rights;
     my $ulsout='';      my $ulsout='';
     my $ulsfn;      my $ulsfn;
     if (-e $ulsdir) {      if (-e $ulsdir) {
         if(-d $ulsdir) {          if(-d $ulsdir) {
             unless (($getpropath) || ($getuserdir) ||  
                     ($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) ||  
                     ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles}) ||  
                     (($ulsdir =~ m{^/home/httpd/html/priv/$LONCAPA::match_domain}) && ($islocal))) {  
                 &Failure($client,"refused\n",$userinput);  
                 return 1;  
             }  
             if (opendir(LSDIR,$ulsdir)) {              if (opendir(LSDIR,$ulsdir)) {
                 while ($ulsfn=readdir(LSDIR)) {                  while ($ulsfn=readdir(LSDIR)) {
                     undef($obs);                      undef($obs);
Line 1738  sub ls3_handler { Line 1653  sub ls3_handler {
                 closedir(LSDIR);                  closedir(LSDIR);
             }              }
         } else {          } else {
             unless (($getpropath) || ($getuserdir) ||  
                     ($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",$userinput);  
                 return 1;  
             }  
             my @ulsstats=stat($ulsdir);              my @ulsstats=stat($ulsdir);
             $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';              $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
         }          }
Line 1795  sub read_lonnet_global { Line 1703  sub read_lonnet_global {
                 }                  }
                 if ($what eq 'perlvar') {                  if ($what eq 'perlvar') {
                     if (!exists($packagevars{$what}{'lonBalancer'})) {                      if (!exists($packagevars{$what}{'lonBalancer'})) {
                         if ($dist =~ /^(centos|rhes|fedora|scientific|oracle|rocky|alma)/) {                          if ($dist =~ /^(centos|rhes|fedora|scientific)/) {
                             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 1888  sub server_distarch_handler { Line 1796  sub server_distarch_handler {
 }  }
 &register_handler("serverdistarch", \&server_distarch_handler, 0, 1, 0);  &register_handler("serverdistarch", \&server_distarch_handler, 0, 1, 0);
   
   sub server_certs_handler {
       my ($cmd,$tail,$client) = @_;
       my $userinput = "$cmd:$tail";
       my $result;
       my $result = &LONCAPA::Lond::server_certs(\%perlvar);
       &Reply($client,\$result,$userinput);
       return;
   }
   &register_handler("servercerts", \&server_certs_handler, 0, 1, 0);
   
 #   Process a reinit request.  Reinit requests that either  #   Process a reinit request.  Reinit requests that either
 #   lonc or lond be reinitialized so that an updated   #   lonc or lond be reinitialized so that an updated 
 #   host.tab or domain.tab can be processed.  #   host.tab or domain.tab can be processed.
Line 2020  sub authenticate_handler { Line 1938  sub authenticate_handler {
                 my ($remote,$hosted);                  my ($remote,$hosted);
                 my $remotesession = &get_usersession_config($udom,'remotesession');                  my $remotesession = &get_usersession_config($udom,'remotesession');
                 if (ref($remotesession) eq 'HASH') {                  if (ref($remotesession) eq 'HASH') {
                     $remote = $remotesession->{'remote'};                      $remote = $remotesession->{'remote'}
                 }                  }
                 my $hostedsession = &get_usersession_config($clienthomedom,'hostedsession');                  my $hostedsession = &get_usersession_config($clienthomedom,'hostedsession');
                 if (ref($hostedsession) eq 'HASH') {                  if (ref($hostedsession) eq 'HASH') {
                     $hosted = $hostedsession->{'hosted'};                      $hosted = $hostedsession->{'hosted'};
                 }                  }
                 my $loncaparev = $clientversion;  
                 if ($loncaparev eq '') {  
                     $loncaparev = $Apache::lonnet::loncaparevs{$clientname};  
                 }  
                 $canhost = &Apache::lonnet::can_host_session($udom,$clientname,                  $canhost = &Apache::lonnet::can_host_session($udom,$clientname,
                                                              $loncaparev,                                                               $clientversion,
                                                              $remote,$hosted);                                                               $remote,$hosted);
             }              }
         }          }
Line 2107  sub change_password_handler { Line 2021  sub change_password_handler {
     }      }
     if($validated) {      if($validated) {
  my $realpasswd  = &get_auth_type($udom, $uname); # Defined since authd.   my $realpasswd  = &get_auth_type($udom, $uname); # Defined since authd.
   
  my ($howpwd,$contentpwd)=split(/:/,$realpasswd);   my ($howpwd,$contentpwd)=split(/:/,$realpasswd);
         my $notunique;  
  if ($howpwd eq 'internal') {   if ($howpwd eq 'internal') {
     &Debug("internal auth");      &Debug("internal auth");
             my $ncpass = &hash_passwd($udom,$npass);              my $ncpass = &hash_passwd($udom,$npass);
             my (undef,$method,@rest) = split(/!/,$contentpwd);      if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) {
             if ($method eq 'bcrypt') {  
                 my %passwdconf = &Apache::lonnet::get_passwdconf($udom);  
                 if (($passwdconf{'numsaved'}) && ($passwdconf{'numsaved'} =~ /^\d+$/)) {  
                     my @oldpasswds;  
                     my $userpath = &propath($udom,$uname);  
                     my $fullpath = $userpath.'/oldpasswds';  
                     if (-d $userpath) {  
                         my @oldfiles;  
                         if (-e $fullpath) {  
                             if (opendir(my $dir,$fullpath)) {  
                                 (@oldfiles) = grep(/^\d+$/,readdir($dir));  
                                 closedir($dir);  
                             }  
                             if (@oldfiles) {  
                                 @oldfiles = sort { $b <=> $a } (@oldfiles);  
                                 my $numremoved = 0;  
                                 for (my $i=0; $i<@oldfiles; $i++) {  
                                     if ($i>=$passwdconf{'numsaved'}) {  
                                         if (-f "$fullpath/$oldfiles[$i]") {  
                                             if (unlink("$fullpath/$oldfiles[$i]")) {  
                                                 $numremoved ++;  
                                             }  
                                         }  
                                     } elsif (open(my $fh,'<',"$fullpath/$oldfiles[$i]")) {  
                                         while (my $line = <$fh>) {  
                                             push(@oldpasswds,$line);  
                                         }  
                                         close($fh);  
                                     }  
                                 }  
                                 if ($numremoved) {  
                                     &logthis("unlinked $numremoved old password files for $uname:$udom");  
                                 }  
                             }  
                         }  
                         push(@oldpasswds,$contentpwd);  
                         foreach my $item (@oldpasswds) {  
                             my (undef,$method,@rest) = split(/!/,$item);  
                             if ($method eq 'bcrypt') {  
                                 my $result = &hash_passwd($udom,$npass,@rest);  
                                 if ($result eq $item) {  
                                     $notunique = 1;  
                                     last;  
                                 }  
                             }  
                         }  
                         unless ($notunique) {  
                             unless (-e $fullpath) {  
                                 if (&mkpath("$fullpath/")) {  
                                     chmod(0700,$fullpath);  
                                 }  
                             }  
                             if (-d $fullpath) {  
                                 my $now = time;  
                                 if (open(my $fh,'>',"$fullpath/$now")) {  
                                     print $fh $contentpwd;  
                                     close($fh);  
                                     chmod(0400,"$fullpath/$now");  
                                 }  
                             }  
                         }  
                     }  
                 }  
             }  
             if ($notunique) {  
                 my $msg="Result of password change for $uname:$udom - password matches one used before";  
                 if ($lonhost) {  
                     $msg .= " - request originated from: $lonhost";  
                 }  
                 &logthis($msg);  
                 &Reply($client, "prioruse\n", $userinput);  
     } elsif (&rewrite_password_file($udom, $uname, "internal:$ncpass")) {  
  my $msg="Result of password change for $uname: pwchange_success";   my $msg="Result of password change for $uname: pwchange_success";
                 if ($lonhost) {                  if ($lonhost) {
                     $msg .= " - request originated from: $lonhost";                      $msg .= " - request originated from: $lonhost";
Line 2201  sub change_password_handler { Line 2043  sub change_password_handler {
     my $result = &change_unix_password($uname, $npass);      my $result = &change_unix_password($uname, $npass);
             if ($result eq 'ok') {              if ($result eq 'ok') {
                 &update_passwd_history($uname,$udom,$howpwd,$context);                  &update_passwd_history($uname,$udom,$howpwd,$context);
             }               }
     &logthis("Result of password change for $uname: ".      &logthis("Result of password change for $uname: ".
      $result);       $result);
     &Reply($client, \$result, $userinput);      &Reply($client, \$result, $userinput);
Line 2212  sub change_password_handler { Line 2054  sub change_password_handler {
     #      #
     &Failure( $client, "auth_mode_error\n", $userinput);      &Failure( $client, "auth_mode_error\n", $userinput);
  }     }  
   
     } else {      } else {
  if ($failure eq '') {   if ($failure eq '') {
     $failure = 'non_authorized';      $failure = 'non_authorized';
Line 2232  sub hash_passwd { Line 2075  sub hash_passwd {
         my $plainsalt = substr($rest[1],0,22);          my $plainsalt = substr($rest[1],0,22);
         $salt = Crypt::Eksblowfish::Bcrypt::de_base64($plainsalt);          $salt = Crypt::Eksblowfish::Bcrypt::de_base64($plainsalt);
     } else {      } else {
         my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);          my $defaultcost;
         my $defaultcost = $domdefaults{'intauth_cost'};          my %domconfig =
               &Apache::lonnet::get_dom('configuration',['password'],$domain);
           if (ref($domconfig{'password'}) eq 'HASH') {
               $defaultcost = $domconfig{'password'}{'cost'};
           }
         if (($defaultcost eq '') || ($defaultcost =~ /D/)) {          if (($defaultcost eq '') || ($defaultcost =~ /D/)) {
             $cost = 10;              $cost = 10;
         } else {          } else {
Line 2368  sub change_authentication_handler { Line 2215  sub change_authentication_handler {
  my $result = &change_unix_password($uname, $npass);   my $result = &change_unix_password($uname, $npass);
  &logthis("Result of password change for $uname: ".$result);   &logthis("Result of password change for $uname: ".$result);
  if ($result eq "ok") {   if ($result eq "ok") {
                     &update_passwd_history($uname,$udom,$umode,'changeuserauth');                      &update_passwd_history($uname,$udom,$umode,'changeuserauth'); 
     &Reply($client, \$result);      &Reply($client, \$result);
  } else {   } else {
     &Failure($client, \$result);      &Failure($client, \$result);
Line 2407  sub update_passwd_history { Line 2254  sub update_passwd_history {
     return;      return;
 }  }
   
 sub inst_unamemap_check {  
     my ($cmd, $tail, $client)   = @_;  
     my $userinput               = "$cmd:$tail";  
     my %rulecheck;  
     my $outcome;  
     my ($udom,$uname,@rules) = split(/:/,$tail);  
     $udom = &unescape($udom);  
     $uname = &unescape($uname);  
     @rules = map {&unescape($_);} (@rules);  
     eval {  
         local($SIG{__DIE__})='DEFAULT';  
         $outcome = &localenroll::unamemap_check($udom,$uname,\@rules,\%rulecheck);  
     };  
     if (!$@) {  
         if ($outcome eq 'ok') {  
             my $result='';  
             foreach my $key (keys(%rulecheck)) {  
                 $result.=&escape($key).'='.&Apache::lonnet::freeze_escape($rulecheck{$key}).'&';  
             }  
             &Reply($client,\$result,$userinput);  
         } else {  
             &Reply($client,"error\n", $userinput);  
         }  
     } else {  
         &Failure($client,"unknown_cmd\n",$userinput);  
     }  
 }  
 &register_handler("instunamemapcheck",\&inst_unamemap_check,0,1,0);  
   
   
 #  #
 #   Determines if this is the home server for a user.  The home server  #   Determines if this is the home server for a user.  The home server
 #   for a user will have his/her lon-capa passwd file.  Therefore all we need  #   for a user will have his/her lon-capa passwd file.  Therefore all we need
Line 2523  sub update_resource_handler { Line 2340  sub update_resource_handler {
 # FIXME: this should use the LWP mechanism, not internal alarms.  # FIXME: this should use the LWP mechanism, not internal alarms.
                 alarm(1200);                  alarm(1200);
  {   {
     my $ua=new LWP::UserAgent;  
     my $request=new HTTP::Request('GET',"$remoteurl");      my $request=new HTTP::Request('GET',"$remoteurl");
     $response=$ua->request($request,$transname);                      $response=&LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,0,1);
  }   }
  alarm(0);   alarm(0);
  if ($response->is_error()) {   if ($response->is_error()) {
                     my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname");  # FIXME: we should probably clean up here instead of just whine
                     &devalidate_meta_cache($fname);      unlink($transname);
                     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 2542  sub update_resource_handler { Line 2354  sub update_resource_handler {
 # FIXME: isn't there an internal LWP mechanism for this?  # FIXME: isn't there an internal LWP mechanism for this?
  alarm(120);   alarm(120);
  {   {
     my $ua=new LWP::UserAgent;  
     my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');      my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
     my $mresponse=$ua->request($mrequest,$fname.'.meta');                              my $mresponse = &LONCAPA::LWPReq::makerequest($clientname,$mrequest,$fname.'.meta',\%perlvar,120,0,1);
     if ($mresponse->is_error()) {      if ($mresponse->is_error()) {
  unlink($fname.'.meta');   unlink($fname.'.meta');
     }      }
Line 2619  sub fetch_user_file_handler { Line 2430  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(120);   alarm(1200);
  {   {
     my $ua=new LWP::UserAgent;  
     my $request=new HTTP::Request('GET',"$remoteurl");      my $request=new HTTP::Request('GET',"$remoteurl");
     $response=$ua->request($request,$transname);              my $verifycert = 1;
               my @machine_ids = &Apache::lonnet::current_machine_ids();
               if (grep(/^\Q$clientname\E$/,@machine_ids)) {
                   $verifycert = 0;
               }
               $response = &LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,$verifycert);
  }   }
  alarm(0);   alarm(0);
  if ($response->is_error()) {   if ($response->is_error()) {
Line 2692  sub remove_user_file_handler { Line 2507  sub remove_user_file_handler {
     if (-e $file) {      if (-e $file) {
  #   #
  #   If the file is a regular file unlink is fine...   #   If the file is a regular file unlink is fine...
  #   However it's possible the client wants a dir   #   However it's possible the client wants a dir 
  #   removed, in which case rmdir is more appropriate   #   removed, in which case rmdir is more appropriate.
         #   Note: rmdir will only remove an empty directory.   #   Note: rmdir will only remove an empty directory.
  #   #
         if (-f $file){          if (-f $file){
     unlink($file);      unlink($file);
                     # for html files remove the associated .bak file                      # for html files remove the associated .bak file 
                     # which may have been created by the editor.                      # which may have been created by the editor.
                     if ($ufile =~ m{^((docs|supplemental)/(?:\d+|default)/\d+(?:|/.+)/)[^/]+\.x?html?$}i) {                      if ($ufile =~ m{^((docs|supplemental)/(?:\d+|default)/\d+(?:|/.+)/)[^/]+\.x?html?$}i) {
                         my $path = $1;                          my $path = $1;
Line 3072  sub newput_user_profile_entry { Line 2887  sub newput_user_profile_entry {
                 &logthis("error: ".($!+0)." untie (GDBM) failed ".                  &logthis("error: ".($!+0)." untie (GDBM) failed ".
                          "while attempting newput - early out as key exists");                           "while attempting newput - early out as key exists");
             }              }
     &Failure($client, "key_exists: ".$key."\n",$userinput);              &Failure($client, "key_exists: ".$key."\n",$userinput);
     return 1;              return 1;
  }   }
     }      }
   
Line 3323  sub get_profile_entry { Line 3138  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  #     $tail              - Tail of the command.  See GetProfileEntry #                          for more information about this.
 #                          for more information about this.  
 #     $client            - File open on the client.  #     $client            - File open on the client.
 #  Returns:  #  Returns:
 #     1      - Continue processing  #     1      - Continue processing
Line 3476  sub get_profile_keys { Line 3290  sub get_profile_keys {
 sub dump_profile_database {  sub dump_profile_database {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
       my $res = LONCAPA::Lond::dump_profile_database($tail);
   
       if ($res =~ /^error:/) {
           Failure($client, \$res, "$cmd:$tail");
       } else {
           Reply($client, \$res, "$cmd:$tail");
       }
   
       return 1;  
   
       #TODO remove 
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
         
     my ($udom,$uname,$namespace) = split(/:/,$tail);      my ($udom,$uname,$namespace) = split(/:/,$tail);
Line 3555  sub dump_with_regexp { Line 3380  sub dump_with_regexp {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
     my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);      my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
       
     if ($res =~ /^error:/) {      if ($res =~ /^error:/) {
         &Failure($client, \$res, "$cmd:$tail");          Failure($client, \$res, "$cmd:$tail");
     } else {      } else {
         &Reply($client, \$res, "$cmd:$tail");          Reply($client, \$res, "$cmd:$tail");
     }      }
   
     return 1;      return 1;
Line 3597  sub store_handler { Line 3422  sub store_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
     
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     chomp($tail);      chomp($tail);
     my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail);      my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail);
     if ($namespace ne 'roles') {      if ($namespace ne 'roles') {
Line 3627  sub store_handler { Line 3451  sub store_handler {
                     $numtrans =~ s/D//g;                      $numtrans =~ s/D//g;
                 }                  }
             }              }
   
     $hashref->{"version:$rid"}++;      $hashref->{"version:$rid"}++;
     my $version=$hashref->{"version:$rid"};      my $version=$hashref->{"version:$rid"};
     my $allkeys='';       my $allkeys=''; 
Line 3644  sub store_handler { Line 3467  sub store_handler {
                 if ($numtrans) {                  if ($numtrans) {
                     $msg = 'delay:'.$numtrans;                      $msg = 'delay:'.$numtrans;
                 }                  }
                 &Reply($client, "$msg\n", $userinput);   &Reply($client, "$msg\n", $userinput);
     } else {      } else {
  &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".   &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
  "while attempting store\n", $userinput);   "while attempting store\n", $userinput);
Line 3906  sub send_query_handler { Line 3729  sub send_query_handler {
   
     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 4192  sub put_course_id_hash_handler { Line 3984  sub put_course_id_hash_handler {
 #  #
 #                 domcloner - flag to indicate if user can create CCs in course's domain.  #                 domcloner - flag to indicate if user can create CCs in course's domain.
 #                             If so, ability to clone course is automatic.  #                             If so, ability to clone course is automatic.
 #                 hasuniquecode - filter by courses for which a six character unique code has  #                 hasuniquecode - filter by courses for which a six character unique code has 
 #                                 been set.  #                                 been set.
 #  #
 #     $client  - The socket open on the client.  #     $client  - The socket open on the client.
Line 4202  sub put_course_id_hash_handler { Line 3994  sub put_course_id_hash_handler {
 #   a reply is written to $client.  #   a reply is written to $client.
 sub dump_course_id_handler {  sub dump_course_id_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
       my $res = LONCAPA::Lond::dump_course_id_handler($tail);
       if ($res =~ /^error:/) {
           Failure($client, \$res, "$cmd:$tail");
       } else {
           Reply($client, \$res, "$cmd:$tail");
       }
   
       return 1;  
   
       #TODO remove
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,      my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
Line 4606  sub course_lastaccess_handler { Line 4409  sub course_lastaccess_handler {
 }  }
 &register_handler("courselastaccess",\&course_lastaccess_handler, 0, 1, 0);  &register_handler("courselastaccess",\&course_lastaccess_handler, 0, 1, 0);
   
 sub course_sessions_handler {  
     my ($cmd, $tail, $client) = @_;  
     my $userinput = "$cmd:$tail";  
     my ($cdom,$cnum,$lastactivity) = split(':',$tail);  
     my $dbsuffix = '_'.$cdom.'_'.$cnum.'.db';  
     my (%sessions,$qresult);  
     my $now=time;  
     if (opendir(DIR,$perlvar{'lonIDsDir'})) {  
         my $filename;  
         while ($filename=readdir(DIR)) {  
             next if ($filename=~/^\./);  
             next if ($filename=~/^publicuser_/);  
             next if ($filename=~/^[a-f0-9]+_(linked|lti_\d+)\.id$/);  
             if ($filename =~ /^($LONCAPA::match_username)_\d+_($LONCAPA::match_domain)_/) {  
                 my ($uname,$udom) = ($1,$2);  
                 next unless (-e "$perlvar{'lonDaemons'}/tmp/$uname$dbsuffix");  
                 my $mtime = (stat("$perlvar{'lonIDsDir'}/$filename"))[9];  
                 if ($lastactivity < 0) {  
                     next if ($mtime-$now > $lastactivity);  
                 } else {  
                     next if ($now-$mtime > $lastactivity);  
                 }  
                 $sessions{$uname.':'.$udom} = $mtime;  
             }  
         }  
         closedir(DIR);  
     }  
     foreach my $user (keys(%sessions)) {  
         $qresult.=&escape($user).'='.$sessions{$user}.'&';  
     }  
     if ($qresult) {  
         chop($qresult);  
     }  
     &Reply($client, \$qresult, $userinput);  
     return 1;  
 }  
 &register_handler("coursesessions",\&course_sessions_handler, 0, 1, 0);  
   
 #  #
 # Puts an unencrypted entry in a namespace db file at the domain level   # Puts an unencrypted entry in a namespace db file at the domain level 
 #  #
Line 4687  sub put_domain_handler { Line 4452  sub put_domain_handler {
 }  }
 &register_handler("putdom", \&put_domain_handler, 0, 1, 0);  &register_handler("putdom", \&put_domain_handler, 0, 1, 0);
   
   # Updates one or more entries in clickers.db file at the domain level
   #
   # Parameters:
   #    $cmd      - The command that got us here.
   #    $tail     - Tail of the command (remaining parameters).
   #                In this case a colon separated list containing:
   #                (a) the domain for which we are updating the entries,
   #                (b) the action required -- add or del -- and
   #                (c) a &-separated list of entries to add or delete.
   #    $client   - File descriptor connected to client.
   # Returns
   #     1        - Continue processing.
   #     0        - Requested to exit, caller should shut down.
   #  Side effects:
   #     reply is written to $client.
   #
   
   
   sub update_clickers {
       my ($cmd, $tail, $client)  = @_;
   
       my $userinput = "$cmd:$tail";
       my ($udom,$action,$what) =split(/:/,$tail,3);
       chomp($what);
   
       my $hashref = &tie_domain_hash($udom, "clickers", &GDBM_WRCREAT(),
                                    "U","$action:$what");
   
       if (!$hashref) {
           &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
                     "while attempting updateclickers\n", $userinput);
           return 1;
       }
   
       my @pairs=split(/\&/,$what);
       foreach my $pair (@pairs) {
           my ($key,$value)=split(/=/,$pair);
           if ($action eq 'add') {
               if (exists($hashref->{$key})) {
                   my @newvals = split(/,/,&unescape($value));
                   my @currvals = split(/,/,&unescape($hashref->{$key}));
                   my @merged = sort(keys(%{{map { $_ => 1 } (@newvals,@currvals)}}));
                   $hashref->{$key}=&escape(join(',',@merged));
               } else {
                   $hashref->{$key}=$value;
               }
           } elsif ($action eq 'del') {
               if (exists($hashref->{$key})) {
                   my %current;
                   map { $current{$_} = 1; } split(/,/,&unescape($hashref->{$key}));
                   map { delete($current{$_}); } split(/,/,&unescape($value));
                   if (keys(%current)) {
                       $hashref->{$key}=&escape(join(',',sort(keys(%current))));
                   } else {
                       delete($hashref->{$key});
                   }
               }
           }
       }
       if (&untie_user_hash($hashref)) {
           &Reply( $client, "ok\n", $userinput);
       } else {
           &Failure($client, "error: ".($!+0)." untie(GDBM) failed ".
                    "while attempting put\n",
                    $userinput);
       }
       return 1;
   }
   &register_handler("updateclickers", \&update_clickers, 0, 1, 0);
   
   
   # Deletes one or more entries in a namespace db file at the domain level
   #
   # Parameters:
   #    $cmd      - The command that got us here.
   #    $tail     - Tail of the command (remaining parameters).
   #                In this case a colon separated list containing:
   #                (a) the domain for which we are deleting the entries,
   #                (b) &-separated list of keys to delete.  
   #    $client   - File descriptor connected to client.
   # Returns
   #     1        - Continue processing.
   #     0        - Requested to exit, caller should shut down.
   #  Side effects:
   #     reply is written to $client.
   #
   
   sub del_domain_handler {
       my ($cmd,$tail,$client) = @_;
   
       my $userinput = "$cmd:$tail";
   
       my ($udom,$namespace,$what)=split(/:/,$tail,3);
       chomp($what);
       my $hashref = &tie_domain_hash($udom,$namespace,&GDBM_WRCREAT(),
                                      "D", $what);
       if ($hashref) {
           my @keys=split(/\&/,$what);
           foreach my $key (@keys) {
               delete($hashref->{$key});
           }
           if (&untie_user_hash($hashref)) {
               &Reply($client, "ok\n", $userinput);
           } else {
               &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
                       "while attempting deldom\n", $userinput);
           }
       } else {
           &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
                    "while attempting deldom\n", $userinput);
       }
       return 1;
   }
   &register_handler("deldom", \&del_domain_handler, 0, 1, 0);
   
   
 # Unencrypted get from the namespace database file at the domain level.  # Unencrypted get from the namespace database file at the domain level.
 # This function retrieves a keyed item from a specific named database in the  # This function retrieves a keyed item from a specific named database in the
 # domain directory.  # domain directory.
 #  #
 # Parameters:  # Parameters:
 #   $cmd             - Command request keyword (getdom).  #   $cmd             - Command request keyword (get).
 #   $tail            - Tail of the command.  This is a colon separated list  #   $tail            - Tail of the command.  This is a colon separated list
 #                      consisting of the domain and the 'namespace'   #                      consisting of the domain and the 'namespace' 
 #                      which selects the gdbm file to do the lookup in,  #                      which selects the gdbm file to do the lookup in,
Line 4709  sub put_domain_handler { Line 4590  sub put_domain_handler {
 sub get_domain_handler {  sub get_domain_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
     my $userinput = "$cmd:$tail";  
       my $userinput = "$client:$tail";
   
     my ($udom,$namespace,$what)=split(/:/,$tail,3);      my ($udom,$namespace,$what)=split(/:/,$tail,3);
     my $res = LONCAPA::Lond::get_dom($userinput);      chomp($what);
     if ($res =~ /^error:/) {      my @queries=split(/\&/,$what);
         &Failure($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",$userinput);
           }
     } else {      } else {
         &Reply($client, \$res, $userinput);          &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".
                    "while attempting getdom\n",$userinput);
     }      }
   
     return 1;      return 1;
Line 4832  sub get_id_handler { Line 4727  sub get_id_handler {
 # Returns:  # Returns:
 #     1   - Continue processing  #     1   - Continue processing
 #     0   - Exit server.  #     0   - Exit server.
 #  #     
 #  #
   
 sub del_id_handler {  sub del_id_handler {
Line 5148  sub tmp_put_handler { Line 5043  sub tmp_put_handler {
     }      }
     my ($id,$store);      my ($id,$store);
     $tmpsnum++;      $tmpsnum++;
     my $numtries = 0;      if (($context eq 'resetpw') || ($context eq 'createaccount')) {
     my $execdir=$perlvar{'lonDaemons'};          $id = &md5_hex(&md5_hex(time.{}.rand().$$));
     if (($context eq 'resetpw') || ($context eq 'createaccount') ||  
         ($context eq 'sso') || ($context eq 'link') || ($context eq 'retry')) {  
         $id = &md5_hex(&md5_hex(time.{}.rand().$$.$tmpsnum));  
         while ((-e "$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;      $record=~s/\n//g;
     if (($id ne '') &&      my $execdir=$perlvar{'lonDaemons'};
         ($store=IO::File->new(">$execdir/tmp/$id.tmp"))) {      if ($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 5247  sub tmp_del_handler { Line 5134  sub tmp_del_handler {
 &register_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);  &register_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);
   
 #  #
 #  Process the updatebalcookie command.  This command updates a  
 #  cookie in the lonBalancedir directory on a load balancer node.  
 #  
 # Parameters:  
 #   $cmd      - Command that got us here.  
 #   $tail     - Tail of the request (escaped cookie: escaped current entry)  
 #  
 #   $client   - socket open on the client process.  
 #  
 # Returns:  
 #   1     - Indicating processing should continue.  
 # Side Effects:  
 #   A cookie file is updated from the lonBalancedir directory  
 #   A reply is sent to the client.  
 #  
 sub update_balcookie_handler {  
     my ($cmd, $tail, $client) = @_;  
   
     my $userinput= "$cmd:$tail";  
     chomp($tail);  
     my ($cookie,$lastentry) = map { &unescape($_) } (split(/:/,$tail));  
   
     my $updatedone;  
     if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) {  
         my $execdir=$perlvar{'lonBalanceDir'};  
         if (-e "$execdir/$cookie.id") {  
             my $doupdate;  
             if (open(my $fh,'<',"$execdir/$cookie.id")) {  
                 while (my $line = <$fh>) {  
                     chomp($line);  
                     if ($line eq $lastentry) {  
                         $doupdate = 1;  
                         last;  
                     }  
                 }  
                 close($fh);  
             }  
             if ($doupdate) {  
                 if (open(my $fh,'>',"$execdir/$cookie.id")) {  
                     print $fh $clientname;  
                     close($fh);  
                     $updatedone = 1;  
                 }  
             }  
         }  
     }  
     if ($updatedone) {  
         &Reply($client, "ok\n", $userinput);  
     } else {  
         &Failure( $client, "error: ".($!+0)."file update failed ".  
                   "while attempting updatebalcookie\n", $userinput);  
     }  
     return 1;  
 }  
 &register_handler("updatebalcookie", \&update_balcookie_handler, 0, 1, 0);  
   
 #  
 #  Process the delbalcookie command. This command deletes a balancer  
 #  cookie in the lonBalancedir directory on a load balancer node.  
 #  
 # 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);  
     $cookie = &unescape($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 5539  sub validate_instcode_handler { Line 5316  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 5668  sub validate_course_section_handler { Line 5412  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 values that will be split into:  #               set of words that will be split into:
 #               $inst_class  - Institutional code for the specific class section     #               $inst_class  - Institutional code for the specific class section   
 #               $ownerlist   - An escaped comma-separated list of username:domain  #               $courseowner - The escaped username:domain of the course owner 
 #                              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 5696  sub validate_class_access_handler { Line 5439  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  
 #   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 5879  sub auto_export_grades_handler { Line 5516  sub auto_export_grades_handler {
     return 1;      return 1;
 }  }
 &register_handler("autoexportgrades", \&auto_export_grades_handler,  &register_handler("autoexportgrades", \&auto_export_grades_handler,
                   1, 1, 0);                    0, 1, 0);
   
   
 #   Retrieve and remove temporary files created by/during autoenrollment.  #   Retrieve and remove temporary files created by/during autoenrollment.
 #  #
Line 5888  sub auto_export_grades_handler { Line 5524  sub auto_export_grades_handler {
 #    $cmd      - The command that got us dispatched.  #    $cmd      - The command that got us dispatched.
 #    $tail     - The tail of the command.  In our case this is a colon   #    $tail     - The tail of the command.  In our case this is a colon 
 #                separated list that will be split into:  #                separated list that will be split into:
 #                $filename - The name of the file to retrieve.  #                $filename - The name of the file to remove.
 #                            The filename is given as a path relative to  #                            The filename is given as a path relative to
 #                            the LonCAPA temp file directory.  #                            the LonCAPA temp file directory.
 #    $client   - Socket open on the client.  #    $client   - Socket open on the client.
Line 5902  sub retrieve_auto_file_handler { Line 5538  sub retrieve_auto_file_handler {
     my ($filename)   = split(/:/, $tail);      my ($filename)   = split(/:/, $tail);
   
     my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;      my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;
   
     if ($filename =~m{/\.\./}) {      if ($filename =~m{/\.\./}) {
         &Failure($client, "refused\n", $userinput);          &Failure($client, "refused\n", $userinput);
     } elsif ($filename !~ /^$LONCAPA::match_domain\_$LONCAPA::match_courseid\_.+_classlist\.xml$/) {  
         &Failure($client, "refused\n", $userinput);  
     } elsif ( (-e $source) && ($filename ne '') ) {      } elsif ( (-e $source) && ($filename ne '') ) {
  my $reply = '';   my $reply = '';
  if (open(my $fh,$source)) {   if (open(my $fh,$source)) {
Line 5938  sub crsreq_checks_handler { Line 5573  sub crsreq_checks_handler {
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
     my $dom = $tail;      my $dom = $tail;
     my $result;      my $result;
     my @reqtypes = ('official','unofficial','community','textbook');      my @reqtypes = ('official','unofficial','community','textbook','placement');
     eval {      eval {
         local($SIG{__DIE__})='DEFAULT';          local($SIG{__DIE__})='DEFAULT';
         my %validations;          my %validations;
Line 6255  sub get_institutional_selfcreate_rules { Line 5890  sub get_institutional_selfcreate_rules {
 }  }
 &register_handler("instemailrules",\&get_institutional_selfcreate_rules,0,1,0);  &register_handler("instemailrules",\&get_institutional_selfcreate_rules,0,1,0);
   
 sub get_unamemap_rules {  
     my ($cmd, $tail, $client)   = @_;  
     my $userinput               = "$cmd:$tail";  
     my $dom = &unescape($tail);  
     my (%rules_hash,@rules_order);  
     my $outcome;  
     eval {  
         local($SIG{__DIE__})='DEFAULT';  
         $outcome = &localenroll::unamemap_rules($dom,\%rules_hash,\@rules_order);  
     };  
     if (!$@) {  
         if ($outcome eq 'ok') {  
             my $result;  
             foreach my $key (keys(%rules_hash)) {  
                 $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($rules_hash{$key}).'&';  
             }  
             $result =~ s/\&$//;  
             $result .= ':';  
             if (@rules_order > 0) {  
                 foreach my $item (@rules_order) {  
                     $result .= &escape($item).'&';  
                 }  
             }  
             $result =~ s/\&$//;  
             &Reply($client,\$result,$userinput);  
         } else {  
             &Reply($client,"error\n", $userinput);  
         }  
     } else {  
         &Failure($client,"unknown_cmd\n",$userinput);  
     }  
 }  
 &register_handler("unamemaprules",\&get_unamemap_rules,0,1,0);  
   
 sub institutional_username_check {  sub institutional_username_check {
     my ($cmd, $tail, $client)   = @_;      my ($cmd, $tail, $client)   = @_;
Line 6812  my $wwwid=getpwnam('www'); Line 6414  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: $currenthostid User ID mismatch";
    system("echo 'User ID mismatch.  lond must be run as user www.' |".     system("echo 'User ID mismatch.  lond must be run as user www.' |\
           " mail -s '$subj' $emailto > /dev/null");   mailto $emailto -s '$subj' > /dev/null");
    exit 1;     exit 1;
 }  }
   
Line 7016  sub Debug { Line 6618  sub Debug {
 #     reply   - Text to send to client.  #     reply   - Text to send to client.
 #     request - Original request from client.  #     request - Original request from client.
 #  #
   #NOTE $reply must be terminated by exactly *one* \n. If $reply is a reference
   #this is done automatically ($$reply must not contain any \n in this case). 
   #If $reply is a string the caller has to ensure this.
 sub Reply {  sub Reply {
     my ($fd, $reply, $request) = @_;      my ($fd, $reply, $request) = @_;
     if (ref($reply)) {      if (ref($reply)) {
Line 7263  sub make_new_child { Line 6868  sub make_new_child {
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
   
         my $no_ets;          my $no_ets;
         if ($dist =~ /^(?:centos|rhes|scientific|oracle|rocky|alma)(\d+)/) {          if ($dist =~ /^(?:centos|rhes|scientific)(\d+)$/) {
             if ($1 >= 7) {              if ($1 >= 7) {
                 $no_ets = 1;                  $no_ets = 1;
             }              }
         } elsif ($dist =~ /^suse(\d+\.\d+)$/) {          } elsif ($dist =~ /^suse(\d+\.\d+)$/) {
             if (($1 eq '9.3') || ($1 >= 12.2)) {              if (($1 eq '9.3') || ($1 >= 12.2)) {
                 $no_ets = 1;                  $no_ets = 1; 
             }              }
         } elsif ($dist =~ /^sles(\d+)$/) {          } elsif ($dist =~ /^sles(\d+)$/) {
             if ($1 > 11) {              if ($1 > 11) {
Line 7281  sub make_new_child { Line 6886  sub make_new_child {
             }              }
         }          }
         unless ($no_ets) {          unless ($no_ets) {
             &Authen::Krb5::init_ets();      &Authen::Krb5::init_ets();
         }   }
   
  &status('Accepted connection');   &status('Accepted connection');
 # =============================================================================  # =============================================================================
Line 7326  sub make_new_child { Line 6931  sub make_new_child {
  #  If the remote is attempting a local init... give that a try:   #  If the remote is attempting a local init... give that a try:
  #   #
  (my $i, my $inittype, $clientversion) = split(/:/, $remotereq);   (my $i, my $inittype, $clientversion) = split(/:/, $remotereq);
                 # For LON-CAPA 2.9, the  client session will have sent its LON-CAPA          # For LON-CAPA 2.9, the  client session will have sent its LON-CAPA
                 # version when initiating the connection. For LON-CAPA 2.8 and older,          # version when initiating the connection. For LON-CAPA 2.8 and older,
                 # the version is retrieved from the global %loncaparevs in lonnet.pm.          # the version is retrieved from the global %loncaparevs in lonnet.pm.            
                 # $clientversion contains path to keyfile if $inittype eq 'local'          # $clientversion contains path to keyfile if $inittype eq 'local'
                 # it's overridden below in this case          # it's overridden below in this case
                 $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};          $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
   
  # If the connection type is ssl, but I didn't get my   # If the connection type is ssl, but I didn't get my
  # certificate files yet, then I'll drop  back to    # certificate files yet, then I'll drop  back to 
Line 7396  sub make_new_child { Line 7001  sub make_new_child {
   ."Attempted insecure connection disallowed </font>");    ."Attempted insecure connection disallowed </font>");
  close $client;   close $client;
  $clientok = 0;   $clientok = 0;
   
     }      }
  }   }
     } else {      } else {
Line 7404  sub make_new_child { Line 7010  sub make_new_child {
  ."$clientip failed to initialize: >$remotereq< </font>");   ."$clientip failed to initialize: >$remotereq< </font>");
  &status('No init '.$clientip);   &status('No init '.$clientip);
     }      }
       
  } else {   } else {
     &logthis(      &logthis(
      "<font color='blue'>WARNING: Unknown client $clientip</font>");       "<font color='blue'>WARNING: Unknown client $clientip</font>");
Line 7429  sub make_new_child { Line 7036  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 7445  sub make_new_child { Line 7052  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.
Line 7561  sub password_filename { Line 7168  sub password_filename {
 #    domain    - domain of the user.  #    domain    - domain of the user.
 #    name      - User's name.  #    name      - User's name.
 #    contents  - New contents of the file.  #    contents  - New contents of the file.
 #    saveold   - (optional). If true save old file in a passwd.bak file.  
 # Returns:  # Returns:
 #   0    - Failed.  #   0    - Failed.
 #   1    - Success.  #   1    - Success.
 #  #
 sub rewrite_password_file {  sub rewrite_password_file {
     my ($domain, $user, $contents, $saveold) = @_;      my ($domain, $user, $contents) = @_;
   
     my $file = &password_filename($domain, $user);      my $file = &password_filename($domain, $user);
     if (defined $file) {      if (defined $file) {
         if ($saveold) {  
             my $bakfile = $file.'.bak';  
             if (CopyFile($file,$bakfile)) {  
                 chmod(0400,$bakfile);  
                 &logthis("Old password saved in passwd.bak for internally authenticated user: $user:$domain");  
             } else {  
                 &logthis("Failed to save old password in passwd.bak for internally authenticated user: $user:$domain");  
             }  
         }  
  my $pf = IO::File->new(">$file");   my $pf = IO::File->new(">$file");
  if($pf) {   if($pf) {
     print $pf "$contents\n";      print $pf "$contents\n";
Line 7666  sub validate_user { Line 7263  sub validate_user {
             } elsif ((($domdefaults{'auth_def'} eq 'krb4') ||               } elsif ((($domdefaults{'auth_def'} eq 'krb4') || 
                       ($domdefaults{'auth_def'} eq 'krb5')) &&                        ($domdefaults{'auth_def'} eq 'krb5')) &&
                      ($domdefaults{'auth_arg_def'} ne '')) {                       ($domdefaults{'auth_arg_def'} ne '')) {
                 #                  $howpwd = $domdefaults{'auth_def'};
                 # Don't attempt authentication for username and password supplied                  $contentpwd = $domdefaults{'auth_arg_def'}; 
                 # for user without an account if uername contains @ to avoid  
                 # call to &Authen::Krb5::parse_name() which will result in con_lost  
                 #  
                 unless ($user =~ /\@/) {  
                     $howpwd = $domdefaults{'auth_def'};  
                     $contentpwd = $domdefaults{'auth_arg_def'};  
                 }  
             }              }
         }          }
     }      } 
     if ($howpwd ne 'nouser') {      if ($howpwd ne 'nouser') {
  if($howpwd eq "internal") { # Encrypted is in local password file.   if($howpwd eq "internal") { # Encrypted is in local password file.
             if (length($contentpwd) == 13) {              if (length($contentpwd) == 13) {
                 $validated = (crypt($password,$contentpwd) eq $contentpwd);                  $validated = (crypt($password,$contentpwd) eq $contentpwd);
                 if ($validated) {                  if ($validated) {
                     my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);                      my $ncpass = &hash_passwd($domain,$password);
                     if ($domdefaults{'intauth_switch'}) {                      if (&rewrite_password_file($domain,$user,"$howpwd:$ncpass")) {
                         my $ncpass = &hash_passwd($domain,$password);                          &update_passwd_history($user,$domain,$howpwd,'conversion');
                         my $saveold;                          &logthis("Validated password hashed with bcrypt for $user:$domain");
                         if ($domdefaults{'intauth_switch'} == 2) {  
                             $saveold = 1;  
                         }  
                         if (&rewrite_password_file($domain,$user,"$howpwd:$ncpass",$saveold)) {  
                             &update_passwd_history($user,$domain,$howpwd,'conversion');  
                             &logthis("Validated password hashed with bcrypt for $user:$domain");  
                         }  
                     }                      }
                 }                  }
             } else {              } else {
                 $validated = &check_internal_passwd($password,$contentpwd,$domain,$user);                  $validated = &check_internal_passwd($password,$contentpwd,$domain);
             }              }
  }   }
  elsif ($howpwd eq "unix") { # User is a normal unix user.   elsif ($howpwd eq "unix") { # User is a normal unix user.
Line 7767  sub validate_user { Line 7350  sub validate_user {
 }  }
   
 sub check_internal_passwd {  sub check_internal_passwd {
     my ($plainpass,$stored,$domain,$user) = @_;      my ($plainpass,$stored,$domain) = @_;
     my (undef,$method,@rest) = split(/!/,$stored);      my (undef,$method,@rest) = split(/!/,$stored);
     if ($method eq 'bcrypt') {      if ($method eq "bcrypt") {
         my $result = &hash_passwd($domain,$plainpass,@rest);          my $result = &hash_passwd($domain,$plainpass,@rest);
         if ($result ne $stored) {          if ($result ne $stored) {
             return 0;              return 0;
         }          }
         my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);          # Upgrade to a larger number of rounds if necessary
         if ($domdefaults{'intauth_check'}) {          my $defaultcost;
             # Upgrade to a larger number of rounds if necessary          my %domconfig =
             my $defaultcost = $domdefaults{'intauth_cost'};              &Apache::lonnet::get_dom('configuration',['password'],$domain);
             if (($defaultcost eq '') || ($defaultcost =~ /D/)) {          if (ref($domconfig{'password'}) eq 'HASH') {
                 $defaultcost = 10;              $defaultcost = $domconfig{'password'}{'cost'};
             }          }
             if (int($rest[0])<int($defaultcost)) {          if (($defaultcost eq '') || ($defaultcost =~ /D/)) {
                 if ($domdefaults{'intauth_check'} == 1) {              $defaultcost = 10;
                     my $ncpass = &hash_passwd($domain,$plainpass);  
                     if (&rewrite_password_file($domain,$user,"internal:$ncpass")) {  
                         &update_passwd_history($user,$domain,'internal','update cost');  
                         &logthis("Validated password hashed with bcrypt for $user:$domain");  
                     }  
                     return 1;  
                 } elsif ($domdefaults{'intauth_check'} == 2) {  
                     return 0;  
                 }  
             }  
         } else {  
             return 1;  
         }          }
           return 1 unless($rest[0]<$defaultcost);
     }      }
     return 0;      return 0;
 }  }
Line 8143  sub make_passwd_file { Line 7715  sub make_passwd_file {
     &Debug("Creating internal auth");      &Debug("Creating internal auth");
     my $pf = IO::File->new(">$passfilename");      my $pf = IO::File->new(">$passfilename");
     if($pf) {      if($pf) {
  print $pf "internal:$ncpass\n";    print $pf "internal:$ncpass\n";
                 &update_passwd_history($uname,$udom,$umode,$action);                  &update_passwd_history($uname,$udom,$umode,$action); 
     } else {      } else {
  $result = "pass_file_failed_error";   $result = "pass_file_failed_error";
     }      }
Line 8154  sub make_passwd_file { Line 7726  sub make_passwd_file {
     my $pf = IO::File->new(">$passfilename");      my $pf = IO::File->new(">$passfilename");
     if($pf) {      if($pf) {
  print $pf "localauth:$npass\n";   print $pf "localauth:$npass\n";
                 &update_passwd_history($uname,$udom,$umode,$action);  
     } else {      } else {
  $result = "pass_file_failed_error";   $result = "pass_file_failed_error";
     }      }
Line 8225  sub get_usersession_config { Line 7796  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'},3600);  
         return $domconfig{'directorysrch'};  
     }  
     return;  
 }  
   
 sub distro_and_arch {  sub distro_and_arch {
     return $dist.':'.$arch;      return $dist.':'.$arch;
Line 8421  Allow for a password to be set. Line 7982  Allow for a password to be set.
   
 Make a user.  Make a user.
   
 =item passwd  =item changeuserauth
   
 Allow for authentication mechanism and password to be changed.  Allow for authentication mechanism and password to be changed.
   
Line 8510  for each student, defined perhaps by the Line 8071  for each student, defined perhaps by the
 Returns usernames corresponding to IDs.  (These "IDs" are unique identifiers  Returns usernames corresponding to IDs.  (These "IDs" are unique identifiers
 for each student, defined perhaps by the institutional Registrar.)  for each student, defined perhaps by the institutional Registrar.)
   
   =item iddel
   
   Deletes one or more ids in a domain's id database.
   
 =item tmpput  =item tmpput
   
 Accept and store information in temporary space.  Accept and store information in temporary space.
Line 8566  Authen::Krb5 Line 8131  Authen::Krb5
   
 =head1 COREQUISITES  =head1 COREQUISITES
   
   none
   
 =head1 OSNAMES  =head1 OSNAMES
   
 linux  linux
Line 8653  or the CA's certificate in the call to l Line 8220  or the CA's certificate in the call to l
 <error> is the textual reason this failed.  Usual reasons:  <error> is the textual reason this failed.  Usual reasons:
   
 =over 2  =over 2
          
 =item Apache config file for loncapa  incorrect:  =item Apache config file for loncapa  incorrect:
    
 one of the variables   one of the variables 
 lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate  lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate
 undefined or incorrect  undefined or incorrect
Line 8774  Could not rewrite the Line 8341  Could not rewrite the
 internal password file for a user  internal password file for a user
   
 =item Result of password change for <user> : <result>  =item Result of password change for <user> : <result>
                                                                        
 A unix password change for <user> was attempted   A unix password change for <user> was attempted 
 and the pipe returned <result>    and the pipe returned <result>  
   
Line 8803  lond has been asked to exit by its clien Line 8370  lond has been asked to exit by its clien
 client systemand <input> is the full exit command sent to the server.  client systemand <input> is the full exit command sent to the server.
   
 =item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].  =item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].
                                                    
 A lond child terminated.  NOte that this termination can also occur when the  A lond child terminated.  NOte that this termination can also occur when the
 child receives the QUIT or DIE signals.  <pid> is the process id of the child,  child receives the QUIT or DIE signals.  <pid> is the process id of the child,
 <hostname> the host lond is working for, and <message> the reason the child died  <hostname> the host lond is working for, and <message> the reason the child died
Line 8887  file when sent it's USR1 signal.  That p Line 8454  file when sent it's USR1 signal.  That p
 assumed to be hung in some un-fixable way.  assumed to be hung in some un-fixable way.
   
 =item Finished checking children                     =item Finished checking children                   
    
 Master processs's USR1 processing is cojmplete.  Master processs's USR1 processing is cojmplete.
   
 =item (Red) CRITICAL: ------- Starting ------              =item (Red) CRITICAL: ------- Starting ------            
Line 8901  Started a new child process for <client> Line 8468  Started a new child process for <client>
 connected to the child.  This was as a result of a TCP/IP connection from a client.  connected to the child.  This was as a result of a TCP/IP connection from a client.
   
 =item Unable to determine who caller was, getpeername returned nothing  =item Unable to determine who caller was, getpeername returned nothing
                                                     
 In child process initialization.  either getpeername returned undef or  In child process initialization.  either getpeername returned undef or
 a zero sized object was returned.  Processing continues, but in my opinion,  a zero sized object was returned.  Processing continues, but in my opinion,
 this should be cause for the child to exit.  this should be cause for the child to exit.
Line 8912  In child process initialization.  The pe Line 8479  In child process initialization.  The pe
 The client address is stored as "Unavailable" and processing continues.  The client address is stored as "Unavailable" and processing continues.
   
 =item (Yellow) INFO: Connection <ip> <name> connection type = <type>  =item (Yellow) INFO: Connection <ip> <name> connection type = <type>
                                                     
 In child initialization.  A good connectionw as received from <ip>.  In child initialization.  A good connectionw as received from <ip>.
   
 =over 2  =over 2
Line 8962  The client (<client> is the peer's name Line 8529  The client (<client> is the peer's name
 negotiated an SSL connection with this child process.  negotiated an SSL connection with this child process.
   
 =item (Green) Successful insecure authentication with <client>  =item (Green) Successful insecure authentication with <client>
                                                      
   
 The client has successfully negotiated an  insecure connection withthe child process.  The client has successfully negotiated an  insecure connection withthe child process.
   
Removed from v.1.489.2.45  
changed lines
  Added in v.1.523

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