Diff for /loncom/lond between versions 1.489.2.31 and 1.518

version 1.489.2.31, 2019/07/26 20:19:35 version 1.518, 2016/02/17 19:15:44
Line 1425  sub du2_handler { Line 1425  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 1462  sub ls_handler { Line 1446  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 1496  sub ls_handler { Line 1471  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 1525  sub ls_handler { Line 1495  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 1561  sub ls2_handler { Line 1515  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 1596  sub ls2_handler { Line 1541  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 1617  sub ls2_handler { Line 1557  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 1675  sub ls3_handler { Line 1596  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 1693  sub ls3_handler { Line 1624  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($obs);
Line 1739  sub ls3_handler { Line 1654  sub ls3_handler {
                 closedir(LSDIR);                  closedir(LSDIR);
             }              }
         } else {          } else {
             unless (($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 1796  sub read_lonnet_global { Line 1704  sub read_lonnet_global {
                 }                  }
                 if ($what eq 'perlvar') {                  if ($what eq 'perlvar') {
                     if (!exists($packagevars{$what}{'lonBalancer'})) {                      if (!exists($packagevars{$what}{'lonBalancer'})) {
                         if ($dist =~ /^(centos|rhes|fedora|scientific|oracle)/) {                          if ($dist =~ /^(centos|rhes|fedora|scientific)/) {
                             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'} = $othervarref->{'lonBalancer'};
Line 2027  sub authenticate_handler { Line 1935  sub authenticate_handler {
                 if (ref($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 2130  sub change_password_handler { Line 2034  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 2162  sub hash_passwd { Line 2066  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 2298  sub change_authentication_handler { Line 2206  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 2429  sub update_resource_handler { Line 2337  sub update_resource_handler {
  }   }
  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 2592  sub remove_user_file_handler { Line 2496  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 approprate:
         #   Note: rmdir will only remove an empty directory.  
  #   #
         if (-f $file){          if (-f $file){
     unlink($file);      unlink($file);
                     # for html files remove the associated .bak file  
                     # which may have been created by the editor.  
                     if ($ufile =~ m{^((docs|supplemental)/(?:\d+|default)/\d+(?:|/.+)/)[^/]+\.x?html?$}i) {  
                         my $path = $1;  
                         if (-e $file.'.bak') {  
                             unlink($file.'.bak');  
                         }  
                     }  
  } elsif(-d $file) {   } elsif(-d $file) {
     rmdir($file);      rmdir($file);
  }   }
Line 2972  sub newput_user_profile_entry { Line 2867  sub newput_user_profile_entry {
                 &logthis("error: ".($!+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 3375  sub get_profile_keys { Line 3270  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 3454  sub dump_with_regexp { Line 3360  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 3496  sub store_handler { Line 3402  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 3526  sub store_handler { Line 3431  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 $allkeys=''; 
Line 3543  sub store_handler { Line 3447  sub store_handler {
                 if ($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 3805  sub send_query_handler { Line 3709  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 4091  sub put_course_id_hash_handler { Line 3964  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 4101  sub put_course_id_hash_handler { Line 3974  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 4548  sub put_domain_handler { Line 4432  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 4707  sub get_id_handler { Line 4707  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 5392  sub validate_course_section_handler { Line 5392  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 5420  sub validate_class_access_handler { Line 5419  sub validate_class_access_handler {
 &register_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0);  &register_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0);
   
 #  #
 #   Validate course owner or co-owners(s) access to enrollment data for all sections  
 #   and crosslistings for a particular course.  
 #  
 #  
 # Formal Parameters:  
 #    $cmd     - The command request that got us dispatched.  
 #    $tail    - The tail of the command.   In this case this is a colon separated  
 #               set of values that will be split into:  
 #               $ownerlist   - An escaped comma-separated list of username:domain  
 #                              of the course owner, and co-owner(s).  
 #               $cdom        - The domain of the course from the institution's  
 #                              point of view.  
 #               $classes     - Frozen hash of institutional course sections and  
 #                              crosslistings.  
 #    $client  - The socket open on the client.  
 # Returns:  
 #    1 - continue processing.  
 #  
   
 sub validate_classes_handler {  
     my ($cmd, $tail, $client) = @_;  
     my $userinput = "$cmd:$tail";  
     my ($ownerlist,$cdom,$classes) = split(/:/, $tail);  
     my $classesref = &Apache::lonnet::thaw_unescape($classes);  
     my $owners = &unescape($ownerlist);  
     my $result;  
     eval {  
         local($SIG{__DIE__})='DEFAULT';  
         my %validations;  
         my $response = &localenroll::check_instclasses($owners,$cdom,$classesref,  
                                                        \%validations);  
         if ($response eq 'ok') {  
             foreach my $key (keys(%validations)) {  
                 $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($validations{$key}).'&';  
             }  
             $result =~ s/\&$//;  
         } else {  
             $result = 'error';  
         }  
     };  
     if (!$@) {  
         &Reply($client, \$result, $userinput);  
     } else {  
         &Failure($client,"unknown_cmd\n",$userinput);  
     }  
     return 1;  
 }  
 &register_handler("autovalidateinstclasses", \&validate_classes_handler, 0, 1, 0);  
   
 #  
 #   Create a password for a new LON-CAPA user added by auto-enrollment.  #   Create a password for a new LON-CAPA user added by auto-enrollment.
 #   Only used for case where authentication method for new user is localauth  #   Only used for case where authentication method for new user is localauth
 #  #
Line 5504  sub create_auto_enroll_password_handler Line 5453  sub create_auto_enroll_password_handler
 &register_handler("autocreatepassword", \&create_auto_enroll_password_handler,   &register_handler("autocreatepassword", \&create_auto_enroll_password_handler, 
   0, 1, 0);    0, 1, 0);
   
 sub auto_export_grades_handler {  
     my ($cmd, $tail, $client) = @_;  
     my $userinput = "$cmd:$tail";  
     my ($cdom,$cnum,$info,$data) = split(/:/,$tail);  
     my $inforef = &Apache::lonnet::thaw_unescape($info);  
     my $dataref = &Apache::lonnet::thaw_unescape($data);  
     my ($outcome,$result);;  
     eval {  
         local($SIG{__DIE__})='DEFAULT';  
         my %rtnhash;  
         $outcome=&localenroll::export_grades($cdom,$cnum,$inforef,$dataref,\%rtnhash);  
         if ($outcome eq 'ok') {  
             foreach my $key (keys(%rtnhash)) {  
                 $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($rtnhash{$key}).'&';  
             }  
             $result =~ s/\&$//;  
         }  
     };  
     if (!$@) {  
         if ($outcome eq 'ok') {  
             if ($cipher) {  
                 my $cmdlength=length($result);  
                 $result.="         ";  
                 my $encresult='';  
                 for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {  
                     $encresult.= unpack("H16",  
                                         $cipher->encrypt(substr($result,  
                                                                 $encidx,  
                                                                 8)));  
                 }  
                 &Reply( $client, "enc:$cmdlength:$encresult\n", $userinput);  
             } else {  
                 &Failure( $client, "error:no_key\n", $userinput);  
             }  
         } else {  
             &Reply($client, "$outcome\n", $userinput);  
         }  
     } else {  
         &Failure($client,"export_error\n",$userinput);  
     }  
     return 1;  
 }  
 &register_handler("autoexportgrades", \&auto_export_grades_handler,  
                   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.  #    $client   - Socket open on the client.
Line 5570  sub retrieve_auto_file_handler { Line 5473  sub retrieve_auto_file_handler {
     my ($filename)   = split(/:/, $tail);      my ($filename)   = split(/:/, $tail);
   
     my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;      my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;
     if ($filename =~m{/\.\./}) {      if ( (-e $source) && ($filename ne '') ) {
         &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 '') ) {  
  my $reply = '';   my $reply = '';
  if (open(my $fh,$source)) {   if (open(my $fh,$source)) {
     while (<$fh>) {      while (<$fh>) {
Line 6447  my $wwwid=getpwnam('www'); Line 6346  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 6651  sub Debug { Line 6550  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 6898  sub make_new_child { Line 6800  sub make_new_child {
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
   
         my $no_ets;          my $no_ets;
         if ($dist =~ /^(?:centos|rhes|scientific|oracle)(\d+)$/) {          if ($dist =~ /^(?:centos|rhes|scientific)(\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 ($1 > 11) {
Line 6916  sub make_new_child { Line 6818  sub make_new_child {
             }              }
         }          }
         unless ($no_ets) {          unless ($no_ets) {
             &Authen::Krb5::init_ets();      &Authen::Krb5::init_ets();
         }   }
   
  &status('Accepted connection');   &status('Accepted connection');
 # =============================================================================  # =============================================================================
Line 6961  sub make_new_child { Line 6863  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 7031  sub make_new_child { Line 6933  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 7039  sub make_new_child { Line 6942  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 $clientip</font>");
Line 7196  sub password_filename { Line 7100  sub password_filename {
 #    domain    - domain of the user.  #    domain    - domain of the user.
 #    name      - User's name.  #    name      - User's name.
 #    contents  - New contents of the file.  #    contents  - New contents of the file.
 #    saveold   - (optional). If true save old file in a passwd.bak file.  
 # Returns:  # Returns:
 #   0    - Failed.  #   0    - Failed.
 #   1    - Success.  #   1    - Success.
 #  #
 sub rewrite_password_file {  sub rewrite_password_file {
     my ($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 7305  sub validate_user { Line 7199  sub validate_user {
                 $contentpwd = $domdefaults{'auth_arg_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 7395  sub validate_user { Line 7282  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($defaultcost)) {  
                 if ($domdefaults{'intauth_check'} == 1) {  
                     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 ($domdefaults{'intauth_check'} == 2) {  
                     return 0;  
                 }  
             }  
         } else {  
             return 1;  
         }          }
           if (($defaultcost eq '') || ($defaultcost =~ /D/)) {
               $defaultcost = 10;
           }
           return 1 unless($rest[0]<$defaultcost);
     }      }
     return 0;      return 0;
 }  }
Line 7771  sub make_passwd_file { Line 7647  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 7782  sub make_passwd_file { Line 7658  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 7853  sub get_usersession_config { Line 7728  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 8049  Allow for a password to be set. Line 7914  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 8138  for each student, defined perhaps by the Line 8003  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 8194  Authen::Krb5 Line 8063  Authen::Krb5
   
 =head1 COREQUISITES  =head1 COREQUISITES
   
   none
   
 =head1 OSNAMES  =head1 OSNAMES
   
 linux  linux
Line 8281  or the CA's certificate in the call to l Line 8152  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 8402  Could not rewrite the Line 8273  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 8431  lond has been asked to exit by its clien Line 8302  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 8515  file when sent it's USR1 signal.  That p Line 8386  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 8529  Started a new child process for <client> Line 8400  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 8540  In child process initialization.  The pe Line 8411  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 8590  The client (<client> is the peer's name Line 8461  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.1.489.2.31  
changed lines
  Added in v.1.518


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