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Diff for /loncom/lond between versions 1.489.2.25 and 1.524

version 1.489.2.25, 2016/09/27 16:30:24 version 1.524, 2016/08/11 16:35:14
Line 41  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 58  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 667  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 1425  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/res/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:  
 #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<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 1460  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_username/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 1494  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}/$LONCAPA::match_username/}) {  
                 &Failure($client,"refused\n",$userinput);  
                 return 1;  
             }  
     my @ulsstats=stat($ulsdir);      my @ulsstats=stat($ulsdir);
     $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';      $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
  }   }
Line 1522  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/res/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:  
 #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<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 1556  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_username/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 1591  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}/$LONCAPA::match_username/}) {  
                 &Failure($client,"refused\n",$userinput);  
                 return 1;  
             }  
             my @ulsstats=stat($ulsdir);              my @ulsstats=stat($ulsdir);
             $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';              $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
         }          }
Line 1611  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/res/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:  
 #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/  
 #  
 #    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 1666  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 1684  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_username/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($obs);
Line 1730  sub ls3_handler { Line 1653  sub ls3_handler {
                 closedir(LSDIR);                  closedir(LSDIR);
             }              }
         } else {          } else {
             unless (($getpropath) || ($getuserdir) ||  
                     ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/})) {  
                 &Failure($client,"refused\n",$userinput);  
                 return 1;  
             }  
             my @ulsstats=stat($ulsdir);              my @ulsstats=stat($ulsdir);
             $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';              $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
         }          }
Line 1878  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 2016  sub authenticate_handler { Line 1944  sub authenticate_handler {
                 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 2119  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 2291  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 2416  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()) {
Line 2431  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 2508  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 2581  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 = $1;
Line 2961  sub newput_user_profile_entry { Line 2887  sub newput_user_profile_entry {
                 &logthis("error: ".($!+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 3364  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 3443  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 3485  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 3515  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 $allkeys=''; 
Line 3532  sub store_handler { Line 3467  sub store_handler {
                 if ($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 4049  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 4059  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 4506  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.
Line 4665  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 5456  sub auto_export_grades_handler { Line 5518  sub auto_export_grades_handler {
 &register_handler("autoexportgrades", \&auto_export_grades_handler,  &register_handler("autoexportgrades", \&auto_export_grades_handler,
                   0, 1, 0);                    0, 1, 0);
   
   
 #   Retrieve and remove temporary files created by/during autoenrollment.  #   Retrieve and remove temporary files created by/during autoenrollment.
 #  #
 # Formal Parameters:  # Formal Parameters:
 #    $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.  #    $client   - Socket open on the client.
Line 5477  sub retrieve_auto_file_handler { Line 5538  sub retrieve_auto_file_handler {
     my ($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 5513  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 6558  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($reply)) {
Line 6811  sub make_new_child { Line 6874  sub make_new_child {
             }              }
         } elsif ($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 ($1 > 11) {
Line 6823  sub make_new_child { Line 6886  sub make_new_child {
             }              }
         }          }
         unless ($no_ets) {          unless ($no_ets) {
             &Authen::Krb5::init_ets();      &Authen::Krb5::init_ets();
         }   }
   
  &status('Accepted connection');   &status('Accepted connection');
 # =============================================================================  # =============================================================================
Line 6868  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 7652  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 7735  sub get_usersession_config { Line 7798  sub get_usersession_config {
 }  }
   
   
   
   
 sub distro_and_arch {  sub distro_and_arch {
     return $dist.':'.$arch;      return $dist.':'.$arch;
 }  }
Line 7918  Allow for a password to be set. Line 7983  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 8007  for each student, defined perhaps by the Line 8072  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 8063  Authen::Krb5 Line 8132  Authen::Krb5
   
 =head1 COREQUISITES  =head1 COREQUISITES
   
   none
   
 =head1 OSNAMES  =head1 OSNAMES
   
 linux  linux
Line 8150  or the CA's certificate in the call to l Line 8221  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 8271  Could not rewrite the Line 8342  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 8300  lond has been asked to exit by its clien Line 8371  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 8384  file when sent it's USR1 signal.  That p Line 8455  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 8398  Started a new child process for <client> Line 8469  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 8409  In child process initialization.  The pe Line 8480  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 8459  The client (<client> is the peer's name Line 8530  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.1.489.2.25  
changed lines
  Added in v.1.524

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