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Diff for /loncom/lond between versions 1.507 and 1.519

version 1.507, 2014/04/07 23:37:57 version 1.519, 2016/04/02 04:30:29
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 621  sub ConfigFileFromSelector { Line 624  sub ConfigFileFromSelector {
 #     String to send to client ("ok" or "refused" if bad file).  #     String to send to client ("ok" or "refused" if bad file).
 #  #
 sub PushFile {  sub PushFile {
     my $request = shift;          my $request = shift;
     my ($command, $filename, $contents) = split(":", $request, 3);      my ($command, $filename, $contents) = split(":", $request, 3);
     &Debug("PushFile");      &Debug("PushFile");
           
Line 651  sub PushFile { Line 654  sub PushFile {
   
     if($filename eq "host") {      if($filename eq "host") {
  $contents = AdjustHostContents($contents);   $contents = AdjustHostContents($contents);
       } elsif ($filename eq 'dns_host' || $filename eq 'dns_domain') {
           if ($contents eq '') {
               &logthis('<font color="red"> Pushfile: unable to install '
                       .$tablefile." - no data received from push. </font>");
               return 'error: push had no data';
           }
           if (&Apache::lonnet::get_host_ip($clientname)) {
               my $clienthost = &Apache::lonnet::hostname($clientname);
               if ($managers{$clientip} eq $clientname) {
                   my $clientprotocol = $Apache::lonnet::protocol{$clientname};
                   $clientprotocol = 'http' if ($clientprotocol ne 'https');
                   my $url = '/adm/'.$filename;
                   $url =~ s{_}{/};
                   my $ua=new LWP::UserAgent;
                   $ua->timeout(60);
                   my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url");
                   my $response=$ua->request($request);
                   if ($response->is_error()) {
                       &logthis('<font color="red"> Pushfile: unable to install '
                               .$tablefile." - error attempting to pull data. </font>");
                       return 'error: pull failed';
                   } else {
                       my $result = $response->content;
                       chomp($result);
                       unless ($result eq $contents) {
                           &logthis('<font color="red"> Pushfile: unable to install '
                                   .$tablefile." - pushed data and pulled data differ. </font>");
                           my $pushleng = length($contents);
                           my $pullleng = length($result);
                           if ($pushleng != $pullleng) {
                               return "error: $pushleng vs $pullleng bytes";
                           } else {
                               return "error: mismatch push and pull";
                           }
                       }
                   }
               }
           }
     }      }
   
     #  Install the new file:      #  Install the new file:
Line 1975  sub change_password_handler { Line 2016  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 $salt=time;              my $ncpass = &hash_passwd($udom,$npass);
     $salt=substr($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 $uname passwd "               
Line 1992  sub change_password_handler { Line 2032  sub change_password_handler {
     }      }
  } elsif ($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 2014  sub change_password_handler { Line 2057  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 $defaultcost;
           my %domconfig =
               &Apache::lonnet::get_dom('configuration',['password'],$domain);
           if (ref($domconfig{'password'}) eq 'HASH') {
               $defaultcost = $domconfig{'password'}{'cost'};
           }
           if (($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 2057  sub add_user_handler { Line 2136  sub add_user_handler {
     ."makeuser";      ."makeuser";
     }      }
     unless ($fperror) {      unless ($fperror) {
  my $result=&make_passwd_file($uname,$udom,$umode,$npass, $passfilename);   my $result=&make_passwd_file($uname,$udom,$umode,$npass,
                                                $passfilename,'makeuser');
  &Reply($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 2126  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,$umode,'changeuserauth'); 
     &Reply($client, \$result);      &Reply($client, \$result);
  } else {   } else {
     &Failure($client, \$result);      &Failure($client, \$result);
  }   }
     } else {      } else {
  my $result=&make_passwd_file($uname,$udom,$umode,$npass,$passfilename);   my $result=&make_passwd_file($uname,$udom,$umode,$npass,
                                                $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 2152  sub change_authentication_handler { Line 2234  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 2770  sub newput_user_profile_entry { Line 2863  sub newput_user_profile_entry {
     foreach my $pair (@pairs) {      foreach my $pair (@pairs) {
  my ($key,$value)=split(/=/,$pair);   my ($key,$value)=split(/=/,$pair);
  if (exists($hashref->{$key})) {   if (exists($hashref->{$key})) {
     &Failure($client, "key_exists: ".$key."\n",$userinput);              if (!&untie_user_hash($hashref)) {
     return 1;                  &logthis("error: ".($!+0)." untie (GDBM) failed ".
                            "while attempting newput - early out as key exists");
               }
               &Failure($client, "key_exists: ".$key."\n",$userinput);
               return 1;
  }   }
     }      }
   
Line 3284  sub dump_with_regexp { Line 3381  sub dump_with_regexp {
 #                          namespace   - Name of the database being modified  #                          namespace   - Name of the database being modified
 #                          rid         - Resource keyword to modify.  #                          rid         - Resource keyword to modify.
 #                          what        - new value associated with rid.  #                          what        - new value associated with rid.
   #                          laststore   - (optional) version=timestamp
   #                                        for most recent transaction for rid
   #                                        in namespace, when cstore was called
 #  #
 #    $client             - Socket open on the client.  #    $client             - Socket open on the client.
 #  #
Line 3292  sub dump_with_regexp { Line 3392  sub dump_with_regexp {
 #      1 (keep on processing).  #      1 (keep on processing).
 #  Side-Effects:  #  Side-Effects:
 #    Writes to the client  #    Writes to the client
   #    Successful storage will cause either 'ok', or, if $laststore was included
   #    in the tail of the request, and the version number for the last transaction
   #    is larger than the version in $laststore, delay:$numtrans , where $numtrans
   #    is the number of store evevnts recorded for rid in namespace since
   #    lonnet::store() was called by the client.
   #
 sub store_handler {  sub store_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
     
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
       chomp($tail);
     my ($udom,$uname,$namespace,$rid,$what) =split(/:/,$tail);      my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail);
     if ($namespace ne 'roles') {      if ($namespace ne 'roles') {
   
  chomp($what);  
  my @pairs=split(/\&/,$what);   my @pairs=split(/\&/,$what);
  my $hashref  = &tie_user_hash($udom, $uname, $namespace,   my $hashref  = &tie_user_hash($udom, $uname, $namespace,
        &GDBM_WRCREAT(), "S",         &GDBM_WRCREAT(), "S",
        "$rid:$what");         "$rid:$what");
  if ($hashref) {   if ($hashref) {
     my $now = time;      my $now = time;
     my @previouskeys=split(/&/,$hashref->{"keys:$rid"});              my $numtrans;
     my $key;              if ($laststore) {
                   my ($previousversion,$previoustime) = split(/\=/,$laststore);
                   my ($lastversion,$lasttime) = (0,0);
                   $lastversion = $hashref->{"version:$rid"};
                   if ($lastversion) {
                       $lasttime = $hashref->{"$lastversion:$rid:timestamp"};
                   }
                   if (($previousversion) && ($previousversion !~ /\D/)) {
                       if (($lastversion > $previousversion) && ($lasttime >= $previoustime)) {
                           $numtrans = $lastversion - $previousversion;
                       }
                   } elsif ($lastversion) {
                       $numtrans = $lastversion;
                   }
                   if ($numtrans) {
                       $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 3321  sub store_handler { Line 3443  sub store_handler {
     $allkeys.='timestamp';      $allkeys.='timestamp';
     $hashref->{"$version:keys:$rid"}=$allkeys;      $hashref->{"$version:keys:$rid"}=$allkeys;
     if (&untie_user_hash($hashref)) {      if (&untie_user_hash($hashref)) {
  &Reply($client, "ok\n", $userinput);                  my $msg = 'ok';
                   if ($numtrans) {
                       $msg = 'delay:'.$numtrans;
                   }
    &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 4306  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 5263  sub crsreq_checks_handler { Line 5505  sub crsreq_checks_handler {
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
     my $dom = $tail;      my $dom = $tail;
     my $result;      my $result;
     my @reqtypes = ('official','unofficial','community','textbook');      my @reqtypes = ('official','unofficial','community','textbook','placement');
     eval {      eval {
         local($SIG{__DIE__})='DEFAULT';          local($SIG{__DIE__})='DEFAULT';
         my %validations;          my %validations;
Line 5290  sub crsreq_checks_handler { Line 5532  sub crsreq_checks_handler {
 sub validate_crsreq_handler {  sub validate_crsreq_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
     my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist) = split(/:/, $tail);      my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$customdata) = split(/:/, $tail);
     $instcode = &unescape($instcode);      $instcode = &unescape($instcode);
     $owner = &unescape($owner);      $owner = &unescape($owner);
     $crstype = &unescape($crstype);      $crstype = &unescape($crstype);
     $inststatuslist = &unescape($inststatuslist);      $inststatuslist = &unescape($inststatuslist);
     $instcode = &unescape($instcode);      $instcode = &unescape($instcode);
     $instseclist = &unescape($instseclist);      $instseclist = &unescape($instseclist);
       my $custominfo = &Apache::lonnet::thaw_unescape($customdata);
     my $outcome;      my $outcome;
     eval {      eval {
         local($SIG{__DIE__})='DEFAULT';          local($SIG{__DIE__})='DEFAULT';
         $outcome = &localenroll::validate_crsreq($dom,$owner,$crstype,          $outcome = &localenroll::validate_crsreq($dom,$owner,$crstype,
                                                  $inststatuslist,$instcode,                                                   $inststatuslist,$instcode,
                                                  $instseclist);                                                   $instseclist,$custominfo);
     };      };
     if (!$@) {      if (!$@) {
         &Reply($client, \$outcome, $userinput);          &Reply($client, \$outcome, $userinput);
Line 5316  sub validate_crsreq_handler { Line 5559  sub validate_crsreq_handler {
 sub crsreq_update_handler {  sub crsreq_update_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
     my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,$code,$infohashref) =      my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,$code,
           $accessstart,$accessend,$infohashref) =
         split(/:/, $tail);          split(/:/, $tail);
     $crstype = &unescape($crstype);      $crstype = &unescape($crstype);
     $action = &unescape($action);      $action = &unescape($action);
Line 5325  sub crsreq_update_handler { Line 5569  sub crsreq_update_handler {
     $fullname = &unescape($fullname);      $fullname = &unescape($fullname);
     $title = &unescape($title);      $title = &unescape($title);
     $code = &unescape($code);      $code = &unescape($code);
       $accessstart = &unescape($accessstart);
       $accessend = &unescape($accessend);
     my $incoming = &Apache::lonnet::thaw_unescape($infohashref);      my $incoming = &Apache::lonnet::thaw_unescape($infohashref);
     my ($result,$outcome);      my ($result,$outcome);
     eval {      eval {
Line 5332  sub crsreq_update_handler { Line 5578  sub crsreq_update_handler {
         my %rtnhash;          my %rtnhash;
         $outcome = &localenroll::crsreq_updates($cdom,$cnum,$crstype,$action,          $outcome = &localenroll::crsreq_updates($cdom,$cnum,$crstype,$action,
                                                 $ownername,$ownerdomain,$fullname,                                                  $ownername,$ownerdomain,$fullname,
                                                 $title,$code,$incoming,\%rtnhash);                                                  $title,$code,$accessstart,$accessend,
                                                   $incoming,\%rtnhash);
         if ($outcome eq 'ok') {          if ($outcome eq 'ok') {
             my @posskeys = qw(createdweb createdmsg queuedweb queuedmsg formitems reviewweb);              my @posskeys = qw(createdweb createdmsg createdcustomized createdactions queuedweb queuedmsg formitems reviewweb validationjs onload javascript);
             foreach my $key (keys(%rtnhash)) {              foreach my $key (keys(%rtnhash)) {
                 if (grep(/^\Q$key\E/,@posskeys)) {                  if (grep(/^\Q$key\E/,@posskeys)) {
                     $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($rtnhash{$key}).'&';                      $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($rtnhash{$key}).'&';
Line 6551  sub make_new_child { Line 6798  sub make_new_child {
 #        my $tmpsnum=0;            # Now global  #        my $tmpsnum=0;            # Now global
 #---------------------------------------------------- kerberos 5 initialization  #---------------------------------------------------- kerberos 5 initialization
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
  unless (($dist eq 'fedora5') || ($dist eq 'fedora4') ||    
  ($dist eq 'fedora6') || ($dist eq 'suse9.3') ||          my $no_ets;
                 ($dist eq 'suse12.2') || ($dist eq 'suse12.3') ||          if ($dist =~ /^(?:centos|rhes|scientific)(\d+)$/) {
                 ($dist eq 'suse13.1')) {              if ($1 >= 7) {
                   $no_ets = 1;
               }
           } elsif ($dist =~ /^suse(\d+\.\d+)$/) {
               if (($1 eq '9.3') || ($1 >= 12.2)) {
                   $no_ets = 1; 
               }
           } elsif ($dist =~ /^sles(\d+)$/) {
               if ($1 > 11) {
                   $no_ets = 1;
               }
           } elsif ($dist =~ /^fedora(\d+)$/) {
               if ($1 < 7) {
                   $no_ets = 1;
               }
           }
           unless ($no_ets) {
     &Authen::Krb5::init_ets();      &Authen::Krb5::init_ets();
  }   }
   
Line 6599  sub make_new_child { Line 6862  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(/:/, $remotereq);
         # For LON-CAPA 2.9, the  client session will have sent its LON-CAPA          # For LON-CAPA 2.9, the  client session will have sent its LON-CAPA
         # version when initiating the connection. For LON-CAPA 2.8 and older,          # version when initiating the connection. For LON-CAPA 2.8 and older,
Line 6940  sub validate_user { Line 7202  sub validate_user {
     }       } 
     if ($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.
     $validated = (crypt($password, $contentpwd) eq $contentpwd);              if (length($contentpwd) == 13) {
                   $validated = (crypt($password,$contentpwd) eq $contentpwd);
                   if ($validated) {
                       my $ncpass = &hash_passwd($domain,$password);
                       if (&rewrite_password_file($domain,$user,"$howpwd:$ncpass")) {
                           &update_passwd_history($user,$domain,$howpwd,'conversion');
                           &logthis("Validated password hashed with bcrypt for $user:$domain");
                       }
                   }
               } else {
                   $validated = &check_internal_passwd($password,$contentpwd,$domain);
               }
  }   }
  elsif ($howpwd eq "unix") { # User is a normal unix user.   elsif ($howpwd eq "unix") { # User is a normal unix user.
     $contentpwd = (getpwnam($user))[1];      $contentpwd = (getpwnam($user))[1];
Line 7008  sub validate_user { Line 7281  sub validate_user {
     return $validated;      return $validated;
 }  }
   
   sub check_internal_passwd {
       my ($plainpass,$stored,$domain) = @_;
       my (undef,$method,@rest) = split(/!/,$stored);
       if ($method eq "bcrypt") {
           my $result = &hash_passwd($domain,$plainpass,@rest);
           if ($result ne $stored) {
               return 0;
           }
           # Upgrade to a larger number of rounds if necessary
           my $defaultcost;
           my %domconfig =
               &Apache::lonnet::get_dom('configuration',['password'],$domain);
           if (ref($domconfig{'password'}) eq 'HASH') {
               $defaultcost = $domconfig{'password'}{'cost'};
           }
           if (($defaultcost eq '') || ($defaultcost =~ /D/)) {
               $defaultcost = 10;
           }
           return 1 unless($rest[0]<$defaultcost);
       }
       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 7323  sub change_unix_password { Line 7629  sub change_unix_password {
   
   
 sub make_passwd_file {  sub make_passwd_file {
     my ($uname,$udom,$umode,$npass,$passfilename)=@_;      my ($uname,$udom,$umode,$npass,$passfilename,$action)=@_;
     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 $salt=time;          my $ncpass = &hash_passwd($udom,$npass);
  $salt=substr($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 7608  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 7697  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.
Removed from v.1.507  
changed lines
  Added in v.1.519

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