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Diff for /loncom/lond between versions 1.489.2.28.2.2 and 1.515

version 1.489.2.28.2.2, 2018/04/29 00:45:43 version 1.515, 2015/06/14 00:15:13
Line 55  use LONCAPA::lonssl; Line 55  use LONCAPA::lonssl;
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
 use Apache::lonnet;  use Apache::lonnet;
 use Mail::Send;  use Mail::Send;
 use Crypt::Eksblowfish::Bcrypt;  
 use Digest::SHA;  
 use Encode;  
   
 my $DEBUG = 0;       # Non zero to enable debug log entries.  my $DEBUG = 0;       # Non zero to enable debug log entries.
   
Line 1425  sub du2_handler { Line 1422  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 1443  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 1468  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 1492  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 1512  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 1538  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 1554  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 1593  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 1621  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($obs);
Line 1739  sub ls3_handler { Line 1651  sub ls3_handler {
                 closedir(LSDIR);                  closedir(LSDIR);
             }              }
         } else {          } else {
             unless (($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 2027  sub authenticate_handler { Line 1932  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 2112  sub change_password_handler { Line 2013  sub change_password_handler {
  my ($howpwd,$contentpwd)=split(/:/,$realpasswd);   my ($howpwd,$contentpwd)=split(/:/,$realpasswd);
  if ($howpwd eq 'internal') {   if ($howpwd eq 'internal') {
     &Debug("internal auth");      &Debug("internal auth");
             my $ncpass = &hash_passwd($udom,$npass);      my $salt=time;
       $salt=substr($salt,6,2);
       my $ncpass=crypt($npass,$salt);
     if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) {      if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) {
  my $msg="Result of password change for $uname: pwchange_success";   my $msg="Result of password change for $uname: pwchange_success";
                 if ($lonhost) {                  if ($lonhost) {
                     $msg .= " - request originated from: $lonhost";                      $msg .= " - request originated from: $lonhost";
                 }                  }
                 &logthis($msg);                  &logthis($msg);
                 &update_passwd_history($uname,$udom,$howpwd,$context);  
  &Reply($client, "ok\n", $userinput);   &Reply($client, "ok\n", $userinput);
     } else {      } else {
  &logthis("Unable to open $uname passwd "                  &logthis("Unable to open $uname passwd "               
Line 2128  sub change_password_handler { Line 2030  sub change_password_handler {
     }      }
  } elsif ($howpwd eq 'unix' && $context ne 'reset_by_email') {   } elsif ($howpwd eq 'unix' && $context ne 'reset_by_email') {
     my $result = &change_unix_password($uname, $npass);      my $result = &change_unix_password($uname, $npass);
             if ($result eq 'ok') {  
                 &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 2153  sub change_password_handler { Line 2052  sub change_password_handler {
 }  }
 &register_handler("passwd", \&change_password_handler, 1, 1, 0);  &register_handler("passwd", \&change_password_handler, 1, 1, 0);
   
 sub hash_passwd {  
     my ($domain,$plainpass,@rest) = @_;  
     my ($salt,$cost);  
     if (@rest) {  
         $cost = $rest[0];  
         # salt is first 22 characters, base-64 encoded by bcrypt  
         my $plainsalt = substr($rest[1],0,22);  
         $salt = Crypt::Eksblowfish::Bcrypt::de_base64($plainsalt);  
     } else {  
         my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);  
         my $defaultcost = $domdefaults{'intauth_cost'};  
         if (($defaultcost eq '') || ($defaultcost =~ /D/)) {  
             $cost = 10;  
         } else {  
             $cost = $defaultcost;  
         }  
         # Generate random 16-octet base64 salt  
         $salt = "";  
         $salt .= pack("C", int rand(256)) for 1..16;  
     }  
     my $hash = &Crypt::Eksblowfish::Bcrypt::bcrypt_hash({  
         key_nul => 1,  
         cost    => $cost,  
         salt    => $salt,  
     }, Digest::SHA::sha512(Encode::encode('UTF-8',$plainpass)));  
   
     my $result = join("!", "", "bcrypt", sprintf("%02d",$cost),  
                 &Crypt::Eksblowfish::Bcrypt::en_base64($salt).  
                 &Crypt::Eksblowfish::Bcrypt::en_base64($hash));  
     return $result;  
 }  
   
 #  #
 #   Create a new user.  User in this case means a lon-capa user.  #   Create a new user.  User in this case means a lon-capa user.
 #   The user must either already exist in some authentication realm  #   The user must either already exist in some authentication realm
Line 2228  sub add_user_handler { Line 2095  sub add_user_handler {
     ."makeuser";      ."makeuser";
     }      }
     unless ($fperror) {      unless ($fperror) {
  my $result=&make_passwd_file($uname,$udom,$umode,$npass,   my $result=&make_passwd_file($uname,$udom,$umode,$npass, $passfilename);
                                              $passfilename,'makeuser');  
  &Reply($client,\$result, $userinput);     #BUGBUG - could be fail   &Reply($client,\$result, $userinput);     #BUGBUG - could be fail
     } else {      } else {
  &Failure($client, \$fperror, $userinput);   &Failure($client, \$fperror, $userinput);
Line 2298  sub change_authentication_handler { Line 2164  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,$umode,'changeuserauth');  
     &Reply($client, \$result);      &Reply($client, \$result);
  } else {   } else {
     &Failure($client, \$result);      &Failure($client, \$result);
  }   }
     } else {      } else {
  my $result=&make_passwd_file($uname,$udom,$umode,$npass,   my $result=&make_passwd_file($uname,$udom,$umode,$npass,$passfilename);
                                              $passfilename,'changeuserauth');  
  #   #
  #  If the current auth mode is internal, and the old auth mode was   #  If the current auth mode is internal, and the old auth mode was
  #  unix, or krb*,  and the user is an author for this domain,   #  unix, or krb*,  and the user is an author for this domain,
Line 2326  sub change_authentication_handler { Line 2190  sub change_authentication_handler {
 }  }
 &register_handler("changeuserauth", \&change_authentication_handler, 1,1, 0);  &register_handler("changeuserauth", \&change_authentication_handler, 1,1, 0);
   
 sub update_passwd_history {  
     my ($uname,$udom,$umode,$context) = @_;  
     my $proname=&propath($udom,$uname);  
     my $now = time;  
     if (open(my $fh,">>$proname/passwd.log")) {  
         print $fh "$now:$umode:$context\n";  
         close($fh);  
     }  
     return;  
 }  
   
 #  #
 #   Determines if this is the home server for a user.  The home server  #   Determines if this is the home server for a user.  The home server
 #   for a user will have his/her lon-capa passwd file.  Therefore all we need  #   for a user will have his/her lon-capa passwd file.  Therefore all we need
Line 2588  sub remove_user_file_handler { Line 2441  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($file);
  }   }
Line 2968  sub newput_user_profile_entry { Line 2812  sub newput_user_profile_entry {
                 &logthis("error: ".($!+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 3219  sub get_profile_entry { Line 3063  sub get_profile_entry {
 #  #
 #  Parameters:  #  Parameters:
 #     $cmd               - Command keyword of request (eget).  #     $cmd               - Command keyword of request (eget).
 #     $tail              - Tail of the command.  See GetProfileEntry  #     $tail              - Tail of the command.  See GetProfileEntry #                          for more information about this.
 #                          for more information about this.  
 #     $client            - File open on the client.  #     $client            - File open on the client.
 #  Returns:  #  Returns:
 #     1      - Continue processing  #     1      - Continue processing
Line 3372  sub get_profile_keys { Line 3215  sub get_profile_keys {
 sub dump_profile_database {  sub dump_profile_database {
     my ($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 3451  sub dump_with_regexp { Line 3305  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 3493  sub store_handler { Line 3347  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 3523  sub store_handler { Line 3376  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 $allkeys=''; 
Line 3540  sub store_handler { Line 3392  sub store_handler {
                 if ($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 3802  sub send_query_handler { Line 3654  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 4088  sub put_course_id_hash_handler { Line 3909  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 4098  sub put_course_id_hash_handler { Line 3919  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 4568  sub get_domain_handler { Line 4400  sub get_domain_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
   
     my $userinput = "$cmd:$tail";      my $userinput = "$client:$tail";
   
     my ($udom,$namespace,$what)=split(/:/,$tail,3);  
     chomp($what);  
     if ($namespace =~ /^enc/) {  
         &Failure( $client, "refused\n", $userinput);  
     } else {  
         my @queries=split(/\&/,$what);  
         my $qresult='';  
         my $hashref = &tie_domain_hash($udom, "$namespace", &GDBM_READER());  
         if ($hashref) {  
             for (my $i=0;$i<=$#queries;$i++) {  
                 $qresult.="$hashref->{$queries[$i]}&";  
             }  
             if (&untie_domain_hash($hashref)) {  
                 $qresult=~s/\&$//;  
                 &Reply($client, \$qresult, $userinput);  
             } else {  
                 &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".  
                           "while attempting getdom\n",$userinput);  
             }  
         } else {  
             &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".  
                      "while attempting getdom\n",$userinput);  
         }  
     }  
   
     return 1;  
 }  
 &register_handler("getdom", \&get_domain_handler, 0, 1, 0);  
   
 sub encrypted_get_domain_handler {  
     my ($cmd, $tail, $client) = @_;  
   
     my $userinput = "$cmd:$tail";  
   
     my ($udom,$namespace,$what)=split(/:/,$tail,3);      my ($udom,$namespace,$what)=split(/:/,$tail,3);
     chomp($what);      chomp($what);
Line 4615  sub encrypted_get_domain_handler { Line 4413  sub encrypted_get_domain_handler {
         }          }
         if (&untie_domain_hash($hashref)) {          if (&untie_domain_hash($hashref)) {
             $qresult=~s/\&$//;              $qresult=~s/\&$//;
             if ($cipher) {              &Reply($client, \$qresult, $userinput);
                 my $cmdlength=length($qresult);  
                 $qresult.="         ";  
                 my $encqresult='';  
                 for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {  
                     $encqresult.= unpack("H16",  
                                          $cipher->encrypt(substr($qresult,  
                                                                  $encidx,  
                                                                  8)));  
                 }  
                 &Reply( $client, "enc:$cmdlength:$encqresult\n", $userinput);  
             } else {  
                 &Failure( $client, "error:no_key\n", $userinput);  
             }  
         } else {          } else {
             &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".              &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".
                       "while attempting egetdom\n",$userinput);                        "while attempting getdom\n",$userinput);
         }          }
     } else {      } else {
         &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".          &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".
                  "while attempting egetdom\n",$userinput);                   "while attempting getdom\n",$userinput);
     }      }
   
     return 1;      return 1;
 }  }
 &register_handler("egetdom", \&encrypted_get_domain_handler, 1, 1, 0);  &register_handler("getdom", \&get_domain_handler, 0, 1, 0);
   
 #  #
 #  Puts an id to a domains id database.   #  Puts an id to a domains id database. 
Line 4750  sub get_id_handler { Line 4536  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 5435  sub validate_course_section_handler { Line 5221  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 5463  sub validate_class_access_handler { Line 5248  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 5547  sub create_auto_enroll_password_handler Line 5282  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,  
                   1, 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.  #    $client   - Socket open on the client.
Line 5613  sub retrieve_auto_file_handler { Line 5302  sub retrieve_auto_file_handler {
     my ($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 6694  sub Debug { Line 6379  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($reply)) {
Line 6947  sub make_new_child { Line 6635  sub make_new_child {
             }              }
         } elsif ($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 ($1 > 11) {
Line 6959  sub make_new_child { Line 6647  sub make_new_child {
             }              }
         }          }
         unless ($no_ets) {          unless ($no_ets) {
             &Authen::Krb5::init_ets();      &Authen::Krb5::init_ets();
         }   }
   
  &status('Accepted connection');   &status('Accepted connection');
 # =============================================================================  # =============================================================================
Line 7003  sub make_new_child { Line 6691  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:
  #   #
           logthis("remotereq: $remotereq");
  (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 7074  sub make_new_child { Line 6763  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 7082  sub make_new_child { Line 6772  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 $clientip</font>");
Line 7239  sub password_filename { Line 6930  sub password_filename {
 #    domain    - domain of the user.  #    domain    - domain of the user.
 #    name      - User's name.  #    name      - User's name.
 #    contents  - New contents of the file.  #    contents  - New contents of the file.
 #    saveold   - (optional). If true save old file in a passwd.bak file.  
 # Returns:  # Returns:
 #   0    - Failed.  #   0    - Failed.
 #   1    - Success.  #   1    - Success.
 #  #
 sub rewrite_password_file {  sub rewrite_password_file {
     my ($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 7348  sub validate_user { Line 7029  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) {      $validated = (crypt($password, $contentpwd) eq $contentpwd);
                 $validated = (crypt($password,$contentpwd) eq $contentpwd);  
                 if ($validated) {  
                     my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);  
                     if ($domdefaults{'intauth_switch'}) {  
                         my $ncpass = &hash_passwd($domain,$password);  
                         my $saveold;  
                         if ($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 {  
                 $validated = &check_internal_passwd($password,$contentpwd,$domain,$user);  
             }  
  }   }
  elsif ($howpwd eq "unix") { # User is a normal unix user.   elsif ($howpwd eq "unix") { # User is a normal unix user.
     $contentpwd = (getpwnam($user))[1];      $contentpwd = (getpwnam($user))[1];
Line 7437  sub validate_user { Line 7100  sub validate_user {
     return $validated;      return $validated;
 }  }
   
 sub check_internal_passwd {  
     my ($plainpass,$stored,$domain,$user) = @_;  
     my (undef,$method,@rest) = split(/!/,$stored);  
     if ($method eq 'bcrypt') {  
         my $result = &hash_passwd($domain,$plainpass,@rest);  
         if ($result ne $stored) {  
             return 0;  
         }  
         my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);  
         if ($domdefaults{'intauth_check'}) {  
             # Upgrade to a larger number of rounds if necessary  
             my $defaultcost = $domdefaults{'intauth_cost'};  
             if (($defaultcost eq '') || ($defaultcost =~ /D/)) {  
                 $defaultcost = 10;  
             }  
             if (int($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;  
         }  
     }  
     return 0;  
 }  
   
 sub get_last_authchg {  
     my ($domain,$user) = @_;  
     my $lastmod;  
     my $logname = &propath($domain,$user).'/passwd.log';  
     if (-e "$logname") {  
         $lastmod = (stat("$logname"))[9];  
     }  
     return $lastmod;  
 }  
   
 sub krb4_authen {  sub krb4_authen {
     my ($password,$null,$user,$contentpwd) = @_;      my ($password,$null,$user,$contentpwd) = @_;
     my $validated = 0;      my $validated = 0;
Line 7796  sub change_unix_password { Line 7415  sub change_unix_password {
   
   
 sub make_passwd_file {  sub make_passwd_file {
     my ($uname,$udom,$umode,$npass,$passfilename,$action)=@_;      my ($uname,$udom,$umode,$npass,$passfilename)=@_;
     my $result="ok";      my $result="ok";
     if ($umode eq 'krb4' or $umode eq 'krb5') {      if ($umode eq 'krb4' or $umode eq 'krb5') {
  {   {
     my $pf = IO::File->new(">$passfilename");      my $pf = IO::File->new(">$passfilename");
     if ($pf) {      if ($pf) {
  print $pf "$umode:$npass\n";   print $pf "$umode:$npass\n";
                 &update_passwd_history($uname,$udom,$umode,$action);  
     } else {      } else {
  $result = "pass_file_failed_error";   $result = "pass_file_failed_error";
     }      }
  }   }
     } elsif ($umode eq 'internal') {      } elsif ($umode eq 'internal') {
         my $ncpass = &hash_passwd($udom,$npass);   my $salt=time;
    $salt=substr($salt,6,2);
    my $ncpass=crypt($npass,$salt);
  {   {
     &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);  
     } else {      } else {
  $result = "pass_file_failed_error";   $result = "pass_file_failed_error";
     }      }
Line 7825  sub make_passwd_file { Line 7444  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 7896  sub get_usersession_config { Line 7514  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 8237  Authen::Krb5 Line 7845  Authen::Krb5
   
 =head1 COREQUISITES  =head1 COREQUISITES
   
   none
   
 =head1 OSNAMES  =head1 OSNAMES
   
 linux  linux
Line 8324  or the CA's certificate in the call to l Line 7934  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 8445  Could not rewrite the Line 8055  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 8474  lond has been asked to exit by its clien Line 8084  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 8558  file when sent it's USR1 signal.  That p Line 8168  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 8572  Started a new child process for <client> Line 8182  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 8583  In child process initialization.  The pe Line 8193  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 8633  The client (<client> is the peer's name Line 8243  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.1.489.2.28.2.2  
changed lines
  Added in v.1.515

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