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Diff for /loncom/lond between versions 1.269 and 1.289

version 1.269, 2004/12/24 19:26:33 version 1.289, 2005/06/27 22:32:37
Line 65  my $currentdomainid; Line 65  my $currentdomainid;
   
 my $client;  my $client;
 my $clientip; # IP address of client.  my $clientip; # IP address of client.
 my $clientdns; # DNS name of client.  
 my $clientname; # LonCAPA name of client.  my $clientname; # LonCAPA name of client.
   
 my $server;  my $server;
Line 113  my %Dispatcher; Line 112  my %Dispatcher;
 #  #
 my $lastpwderror    = 13; # Largest error number from lcpasswd.  my $lastpwderror    = 13; # Largest error number from lcpasswd.
 my @passwderrors = ("ok",  my @passwderrors = ("ok",
    "lcpasswd must be run as user 'www'",     "pwchange_failure - lcpasswd must be run as user 'www'",
    "lcpasswd got incorrect number of arguments",     "pwchange_failure - lcpasswd got incorrect number of arguments",
    "lcpasswd did not get the right nubmer of input text lines",     "pwchange_failure - lcpasswd did not get the right nubmer of input text lines",
    "lcpasswd too many simultaneous pwd changes in progress",     "pwchange_failure - lcpasswd too many simultaneous pwd changes in progress",
    "lcpasswd User does not exist.",     "pwchange_failure - lcpasswd User does not exist.",
    "lcpasswd Incorrect current passwd",     "pwchange_failure - lcpasswd Incorrect current passwd",
    "lcpasswd Unable to su to root.",     "pwchange_failure - lcpasswd Unable to su to root.",
    "lcpasswd Cannot set new passwd.",     "pwchange_failure - lcpasswd Cannot set new passwd.",
    "lcpasswd Username has invalid characters",     "pwchange_failure - lcpasswd Username has invalid characters",
    "lcpasswd Invalid characters in password",     "pwchange_failure - lcpasswd Invalid characters in password",
    "lcpasswd User already exists",      "pwchange_failure - lcpasswd User already exists", 
                    "lcpasswd Something went wrong with user addition.",                     "pwchange_failure - lcpasswd Something went wrong with user addition.",
     "lcpasswd Password mismatch",     "pwchange_failure - lcpasswd Password mismatch",
     "lcpasswd Error filename is invalid");     "pwchange_failure - lcpasswd Error filename is invalid");
   
   
 #  The array below are lcuseradd error strings.:  #  The array below are lcuseradd error strings.:
Line 178  sub ResetStatistics { Line 177  sub ResetStatistics {
 #   $initcmd     - The full text of the init command.  #   $initcmd     - The full text of the init command.
 #  #
 # Implicit inputs:  # Implicit inputs:
 #    $clientdns  - The DNS name of the remote client.  
 #    $thisserver - Our DNS name.  #    $thisserver - Our DNS name.
 #  #
 # Returns:  # Returns:
Line 187  sub ResetStatistics { Line 185  sub ResetStatistics {
 #  #
 sub LocalConnection {  sub LocalConnection {
     my ($Socket, $initcmd) = @_;      my ($Socket, $initcmd) = @_;
     Debug("Attempting local connection: $initcmd client: $clientdns me: $thisserver");      Debug("Attempting local connection: $initcmd client: $clientip me: $thisserver");
     if($clientdns ne $thisserver) {      if($clientip ne "127.0.0.1") {
  &logthis('<font color="red"> LocalConnection rejecting non local: '   &logthis('<font color="red"> LocalConnection rejecting non local: '
  ."$clientdns ne $thisserver </font>");   ."$clientip ne $thisserver </font>");
  close $Socket;   close $Socket;
  return undef;   return undef;
     }  else {      }  else {
Line 474  sub CopyFile { Line 472  sub CopyFile {
   
     my ($oldfile, $newfile) = @_;      my ($oldfile, $newfile) = @_;
   
     #  The file must exist:      if (! copy($oldfile,$newfile)) {
           return 0;
     if(-e $oldfile) {  
   
  # Read the old file.  
   
  my $oldfh = IO::File->new("< $oldfile");  
  if(!$oldfh) {  
     return 0;  
  }  
  my @contents = <$oldfh>;  # Suck in the entire file.  
   
  # write the backup file:  
   
  my $newfh = IO::File->new("> $newfile");  
  if(!(defined $newfh)){  
     return 0;  
  }  
  my $lines = scalar @contents;  
  for (my $i =0; $i < $lines; $i++) {  
     print $newfh ($contents[$i]);  
  }  
   
  $oldfh->close;  
  $newfh->close;  
   
  chmod(0660, $newfile);  
   
  return 1;  
       
     } else {  
  return 0;  
     }      }
       chmod(0660, $newfile);
       return 1;
 }  }
 #  #
 #  Host files are passed out with externally visible host IPs.  #  Host files are passed out with externally visible host IPs.
Line 1411  sub du_handler { Line 1381  sub du_handler {
 &register_handler("du", \&du_handler, 0, 1, 0);  &register_handler("du", \&du_handler, 0, 1, 0);
   
 #  #
   # The ls_handler routine should be considered obosolete and is retained
   # for communication with legacy servers.  Please see the ls2_handler.
   #
 #   ls  - list the contents of a directory.  For each file in the  #   ls  - list the contents of a directory.  For each file in the
 #    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
Line 1427  sub du_handler { Line 1400  sub du_handler {
 #   The reply is written to  $client.  #   The reply is written to  $client.
 #  #
 sub ls_handler {  sub ls_handler {
       # obsoleted by ls2_handler
     my ($cmd, $ulsdir, $client) = @_;      my ($cmd, $ulsdir, $client) = @_;
   
     my $userinput = "$cmd:$ulsdir";      my $userinput = "$cmd:$ulsdir";
Line 1473  sub ls_handler { Line 1447  sub ls_handler {
 }  }
 &register_handler("ls", \&ls_handler, 0, 1, 0);  &register_handler("ls", \&ls_handler, 0, 1, 0);
   
   #
   # Please also see the ls_handler, which this routine obosolets.
   # ls2_handler differs from ls_handler in that it escapes its return 
   # values before concatenating them together with ':'s.
   #
   #   ls2  - list the contents of a directory.  For each file in the
   #    selected directory the filename followed by the full output of
   #    the stat function is returned.  The returned info for each
   #    file are separated by ':'.  The stat fields are separated by &'s.
   # Parameters:
   #    $cmd        - The command that dispatched us (ls).
   #    $ulsdir     - The directory path to list... I'm not sure what this
   #                  is relative as things like ls:. return e.g.
   #                  no_such_dir.
   #    $client     - Socket open on the client.
   # Returns:
   #     1 - indicating that the daemon should not disconnect.
   # Side Effects:
   #   The reply is written to  $client.
   #
   sub ls2_handler {
       my ($cmd, $ulsdir, $client) = @_;
   
       my $userinput = "$cmd:$ulsdir";
   
       my $obs;
       my $rights;
       my $ulsout='';
       my $ulsfn;
       if (-e $ulsdir) {
           if(-d $ulsdir) {
               if (opendir(LSDIR,$ulsdir)) {
                   while ($ulsfn=readdir(LSDIR)) {
                       undef $obs, $rights; 
                       my @ulsstats=stat($ulsdir.'/'.$ulsfn);
                       #We do some obsolete checking here
                       if(-e $ulsdir.'/'.$ulsfn.".meta") { 
                           open(FILE, $ulsdir.'/'.$ulsfn.".meta");
                           my @obsolete=<FILE>;
                           foreach my $obsolete (@obsolete) {
                               if($obsolete =~ m|(<obsolete>)(on)|) { $obs = 1; } 
                               if($obsolete =~ m|(<copyright>)(default)|) {
                                   $rights = 1;
                               }
                           }
                       }
                       my $tmp = $ulsfn.'&'.join('&',@ulsstats);
                       if ($obs    eq '1') { $tmp.="&1"; } else { $tmp.="&0"; }
                       if ($rights eq '1') { $tmp.="&1"; } else { $tmp.="&0"; }
                       $ulsout.= &escape($tmp).':';
                   }
                   closedir(LSDIR);
               }
           } else {
               my @ulsstats=stat($ulsdir);
               $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
           }
       } else {
           $ulsout='no_such_dir';
      }
      if ($ulsout eq '') { $ulsout='empty'; }
      &Reply($client, "$ulsout\n", $userinput); # This supports debug logging.
      return 1;
   }
   &register_handler("ls2", \&ls2_handler, 0, 1, 0);
   
 #   Process a reinit request.  Reinit requests that either  #   Process a reinit request.  Reinit requests that either
 #   lonc or lond be reinitialized so that an updated   #   lonc or lond be reinitialized so that an updated 
 #   host.tab or domain.tab can be processed.  #   host.tab or domain.tab can be processed.
Line 1661  sub change_password_handler { Line 1701  sub change_password_handler {
  &Failure( $client, "non_authorized\n",$userinput);   &Failure( $client, "non_authorized\n",$userinput);
     }      }
  } elsif ($howpwd eq 'unix') {   } elsif ($howpwd eq 'unix') {
     # Unix means we have to access /etc/password      my $result = &change_unix_password($uname, $npass);
     &Debug("auth is unix");  
     my $execdir=$perlvar{'lonDaemons'};  
     &Debug("Opening lcpasswd pipeline");  
     my $pf = IO::File->new("|$execdir/lcpasswd > "  
    ."$perlvar{'lonDaemons'}"  
    ."/logs/lcpasswd.log");  
     print $pf "$uname\n$npass\n$npass\n";  
     close $pf;  
     my $err = $?;  
     my $result = ($err>0 ? 'pwchange_failure' : 'ok');  
     &logthis("Result of password change for $uname: ".      &logthis("Result of password change for $uname: ".
      &lcpasswdstrerror($?));       $result);
     &Reply($client, "$result\n", $userinput);      &Reply($client, "$result\n", $userinput);
  } else {   } else {
     # this just means that the current password mode is not      # this just means that the current password mode is not
Line 1772  sub add_user_handler { Line 1802  sub add_user_handler {
 # Implicit inputs:  # Implicit inputs:
 #    The authentication systems describe above have their own forms of implicit  #    The authentication systems describe above have their own forms of implicit
 #    input into the authentication process that are described above.  #    input into the authentication process that are described above.
   # NOTE:
   #   This is also used to change the authentication credential values (e.g. passwd).
   #   
 #  #
 sub change_authentication_handler {  sub change_authentication_handler {
   
Line 1791  sub change_authentication_handler { Line 1824  sub change_authentication_handler {
  my $oldauth = &get_auth_type($udom, $uname); # Get old auth info.   my $oldauth = &get_auth_type($udom, $uname); # Get old auth info.
  my $passfilename = &password_path($udom, $uname);   my $passfilename = &password_path($udom, $uname);
  if ($passfilename) { # Not allowed to create a new user!!   if ($passfilename) { # Not allowed to create a new user!!
     my $result=&make_passwd_file($uname, $umode,$npass,$passfilename);      # If just changing the unix passwd. need to arrange to run
     #      # passwd since otherwise make_passwd_file will run
     #  If the current auth mode is internal, and the old auth mode was      # lcuseradd which fails if an account already exists
     #  unix, or krb*,  and the user is an author for this domain,      # (to prevent an unscrupulous LONCAPA admin from stealing
     #  re-run manage_permissions for that role in order to be able      # an existing account by overwriting it as a LonCAPA account).
     #  to take ownership of the construction space back to www:www  
     #      if(($oldauth =~/^unix/) && ($umode eq "unix")) {
    my $result = &change_unix_password($uname, $npass);
     if( ($oldauth =~ /^unix/) && ($umode eq "internal")) { # unix -> internal   &logthis("Result of password change for $uname: ".$result);
  if(&is_author($udom, $uname)) {   if ($result eq "ok") {
     &Debug(" Need to manage author permissions...");      &Reply($client, "$result\n")
     &manage_permissions("/$udom/_au", $udom, $uname, "internal:");   } else {
       &Failure($client, "$result\n");
  }   }
       } else {
    my $result=&make_passwd_file($uname, $umode,$npass,$passfilename);
    #
    #  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,
    #  re-run manage_permissions for that role in order to be able
    #  to take ownership of the construction space back to www:www
    #
   
   
    if( (($oldauth =~ /^unix/) && ($umode eq "internal")) ||
       (($oldauth =~ /^internal/) && ($umode eq "unix")) ) { 
       if(&is_author($udom, $uname)) {
    &Debug(" Need to manage author permissions...");
    &manage_permissions("/$udom/_au", $udom, $uname, "$umode:");
       }
    }
    &Reply($client, $result, $userinput);
     }      }
                 
   
     &Reply($client, $result, $userinput);  
  } else {          } else {       
     &Failure($client, "non_authorized\n", $userinput); # Fail the user now.      &Failure($client, "non_authorized\n", $userinput); # Fail the user now.
  }   }
Line 2319  sub put_user_profile_entry { Line 2370  sub put_user_profile_entry {
 }  }
 &register_handler("put", \&put_user_profile_entry, 0, 1, 0);  &register_handler("put", \&put_user_profile_entry, 0, 1, 0);
   
   #   Put a piece of new data in hash, returns error if entry already exists
   # Parameters:
   #    $cmd      - The command that got us here.
   #    $tail     - Tail of the command (remaining parameters).
   #    $client   - File descriptor connected to client.
   # Returns
   #     0        - Requested to exit, caller should shut down.
   #     1        - Continue processing.
   #
   sub newput_user_profile_entry {
       my ($cmd, $tail, $client)  = @_;
   
       my $userinput = "$cmd:$tail";
   
       my ($udom,$uname,$namespace,$what) =split(/:/,$tail,4);
       if ($namespace eq 'roles') {
           &Failure( $client, "refused\n", $userinput);
    return 1;
       }
   
       chomp($what);
   
       my $hashref = &tie_user_hash($udom, $uname, $namespace,
    &GDBM_WRCREAT(),"N",$what);
       if(!$hashref) {
    &Failure( $client, "error: ".($!)." tie(GDBM) Failed ".
     "while attempting put\n", $userinput);
    return 1;
       }
   
       my @pairs=split(/\&/,$what);
       foreach my $pair (@pairs) {
    my ($key,$value)=split(/=/,$pair);
    if (exists($hashref->{$key})) {
       &Failure($client, "key_exists: ".$key."\n",$userinput);
       return 1;
    }
       }
   
       foreach my $pair (@pairs) {
    my ($key,$value)=split(/=/,$pair);
    $hashref->{$key}=$value;
       }
   
       if (untie(%$hashref)) {
    &Reply( $client, "ok\n", $userinput);
       } else {
    &Failure($client, "error: ".($!+0)." untie(GDBM) failed ".
    "while attempting put\n", 
    $userinput);
       }
       return 1;
   }
   &register_handler("newput", \&newput_user_profile_entry, 0, 1, 0);
   
 #   # 
 #   Increment a profile entry in the user history file.  #   Increment a profile entry in the user history file.
 #   The history contains keyword value pairs.  In this case,  #   The history contains keyword value pairs.  In this case,
Line 2349  sub increment_user_value_handler { Line 2455  sub increment_user_value_handler {
     my @pairs=split(/\&/,$what);      my @pairs=split(/\&/,$what);
     foreach my $pair (@pairs) {      foreach my $pair (@pairs) {
  my ($key,$value)=split(/=/,$pair);   my ($key,$value)=split(/=/,$pair);
                   $value = &unescape($value);
  # We could check that we have a number...   # We could check that we have a number...
  if (! defined($value) || $value eq '') {   if (! defined($value) || $value eq '') {
     $value = 1;      $value = 1;
  }   }
  $hashref->{$key}+=$value;   $hashref->{$key}+=$value;
                   if ($namespace eq 'nohist_resourcetracker') {
                       if ($hashref->{$key} < 0) {
                           $hashref->{$key} = 0;
                       }
                   }
     }      }
     if (untie(%$hashref)) {      if (untie(%$hashref)) {
  &Reply( $client, "ok\n", $userinput);   &Reply( $client, "ok\n", $userinput);
Line 3108  sub reply_query_handler { Line 3220  sub reply_query_handler {
 #   $tail     - Tail of the command.  In this case consists of a colon  #   $tail     - Tail of the command.  In this case consists of a colon
 #               separated list contaning the domain to apply this to and  #               separated list contaning the domain to apply this to and
 #               an ampersand separated list of keyword=value pairs.  #               an ampersand separated list of keyword=value pairs.
   #               Each value is a colon separated list that includes:  
   #               description, institutional code and course owner.
   #               For backward compatibility with versions included
   #               in LON-CAPA 1.1.X (and earlier) and 1.2.X, institutional
   #               code and/or course owner are preserved from the existing 
   #               record when writing a new record in response to 1.1 or 
   #               1.2 implementations of lonnet::flushcourselogs().   
   #                      
 #   $client   - Socket open on the client.  #   $client   - Socket open on the client.
 # Returns:  # Returns:
 #   1    - indicating that processing should continue  #   1    - indicating that processing should continue
Line 3129  sub put_course_id_handler { Line 3249  sub put_course_id_handler {
     my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT());      my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT());
     if ($hashref) {      if ($hashref) {
  foreach my $pair (@pairs) {   foreach my $pair (@pairs) {
             my ($key,$courseinfo) = split(/=/,$pair);              my ($key,$courseinfo) = split(/=/,$pair,2);
               $courseinfo =~ s/=/:/g;
   
               my @current_items = split(/:/,$hashref->{$key});
               shift(@current_items); # remove description
               pop(@current_items);   # remove last access
               my $numcurrent = scalar(@current_items);
   
               my @new_items = split(/:/,$courseinfo);
               my $numnew = scalar(@new_items);
               if ($numcurrent > 0) {
                   if ($numnew == 1) { # flushcourselogs() from 1.1 or earlier
                       $courseinfo .= ':'.join(':',@current_items);
                   } elsif ($numnew == 2) { # flushcourselogs() from 1.2.X
                       $courseinfo .= ':'.$current_items[$numcurrent-1];
                   }
               }
     $hashref->{$key}=$courseinfo.':'.$now;      $hashref->{$key}=$courseinfo.':'.$now;
  }   }
  if (untie(%$hashref)) {   if (untie(%$hashref)) {
Line 3168  sub put_course_id_handler { Line 3304  sub put_course_id_handler {
 #                 description - regular expression that is used to filter  #                 description - regular expression that is used to filter
 #                            the dump.  Only keywords matching this regexp  #                            the dump.  Only keywords matching this regexp
 #                            will be used.  #                            will be used.
   #                 institutional code - optional supplied code to filter 
   #                            the dump. Only courses with an institutional code 
   #                            that match the supplied code will be returned.
   #                 owner    - optional supplied username of owner to filter
   #                            the dump.  Only courses for which the course 
   #                            owner matches the supplied username will be
   #                            returned. Implicit assumption that owner
   #                            is a user in the domain in which the
   #                            course database is defined.
 #     $client  - The socket open on the client.  #     $client  - The socket open on the client.
 # Returns:  # Returns:
 #    1     - Continue processing.  #    1     - Continue processing.
Line 3178  sub dump_course_id_handler { Line 3323  sub dump_course_id_handler {
   
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($udom,$since,$description,$instcodefilter,$ownerfilter) =split(/:/,$tail);      my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter) =split(/:/,$tail);
     if (defined($description)) {      if (defined($description)) {
  $description=&unescape($description);   $description=&unescape($description);
     } else {      } else {
Line 3194  sub dump_course_id_handler { Line 3339  sub dump_course_id_handler {
     } else {      } else {
         $ownerfilter='.';          $ownerfilter='.';
     }      }
       if (defined($coursefilter)) {
           $coursefilter=&unescape($coursefilter);
       } else {
           $coursefilter='.';
       }
   
     unless (defined($since)) { $since=0; }      unless (defined($since)) { $since=0; }
     my $qresult='';      my $qresult='';
Line 3201  sub dump_course_id_handler { Line 3351  sub dump_course_id_handler {
     if ($hashref) {      if ($hashref) {
  while (my ($key,$value) = each(%$hashref)) {   while (my ($key,$value) = each(%$hashref)) {
     my ($descr,$lasttime,$inst_code,$owner);      my ($descr,$lasttime,$inst_code,$owner);
             if ($value =~  m/^([^\:]*):([^\:]*):([^\:]*):(\d+)$/) {              my @courseitems = split(/:/,$value);
                 ($descr,$inst_code,$owner,$lasttime)=($1,$2,$3,$4);              $lasttime = pop(@courseitems);
     } elsif ($value =~ m/^([^\:]*):([^\:]*):(\d+)$/) {      ($descr,$inst_code,$owner)=@courseitems;
  ($descr,$inst_code,$lasttime)=($1,$2,$3);  
     } else {  
  ($descr,$lasttime) = split(/\:/,$value);  
     }  
     if ($lasttime<$since) { next; }      if ($lasttime<$since) { next; }
             my $match = 1;              my $match = 1;
     unless ($description eq '.') {      unless ($description eq '.') {
Line 3228  sub dump_course_id_handler { Line 3374  sub dump_course_id_handler {
                     $match = 0;                      $match = 0;
                 }                  }
             }              }
               unless ($coursefilter eq '.' || !defined($coursefilter)) {
                   my $unescapeCourse = &unescape($key);
                   unless (eval('$unescapeCourse=~/^$udom(_)\Q$coursefilter\E$/')) {
                       $match = 0;
                   }
               }
             if ($match == 1) {              if ($match == 1) {
                 $qresult.=$key.'='.$descr.':'.$inst_code.':'.$owner.'&';                  $qresult.=$key.'='.$descr.':'.$inst_code.':'.$owner.'&';
             }              }
Line 4251  sub ReadHostTable { Line 4403  sub ReadHostTable {
     my $myloncapaname = $perlvar{'lonHostID'};      my $myloncapaname = $perlvar{'lonHostID'};
     Debug("My loncapa name is : $myloncapaname");      Debug("My loncapa name is : $myloncapaname");
     while (my $configline=<CONFIG>) {      while (my $configline=<CONFIG>) {
  if (!($configline =~ /^\s*\#/)) {   if ($configline !~ /^\s*\#/ && $configline !~ /^\s*$/ ) {
     my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);      my ($id,$domain,$role,$name)=split(/:/,$configline);
     chomp($ip); $ip=~s/\D+$//;      $name=~s/\s//g;
       my $ip = gethostbyname($name);
       if (length($ip) ne 4) {
    &logthis("Skipping host $id name $name no IP $ip found\n");
    next;
       }
       $ip=inet_ntoa($ip);
     $hostid{$ip}=$id;         # LonCAPA name of host by IP.      $hostid{$ip}=$id;         # LonCAPA name of host by IP.
     $hostdom{$id}=$domain;    # LonCAPA domain name of host.       $hostdom{$id}=$domain;    # LonCAPA domain name of host. 
     $hostip{$id}=$ip;      # IP address of host.      $hostip{$id}=$ip;         # IP address of host.
     $hostdns{$name} = $id;    # LonCAPA name of host by DNS.      $hostdns{$name} = $id;    # LonCAPA name of host by DNS.
   
     if ($id eq $perlvar{'lonHostID'}) {       if ($id eq $perlvar{'lonHostID'}) { 
Line 4393  sub Reply { Line 4551  sub Reply {
     Debug("Request was $request  Reply was $reply");      Debug("Request was $request  Reply was $reply");
   
     $Transactions++;      $Transactions++;
   
   
 }  }
   
   
Line 4437  sub logstatus { Line 4593  sub logstatus {
  flock(LOG,LOCK_EX);   flock(LOG,LOCK_EX);
  print LOG $$."\t".$clientname."\t".$currenthostid."\t"   print LOG $$."\t".$clientname."\t".$currenthostid."\t"
     .$status."\t".$lastlog."\t $keymode\n";      .$status."\t".$lastlog."\t $keymode\n";
  flock(DB,LOCK_UN);   flock(LOG,LOCK_UN);
  close(LOG);   close(LOG);
     }      }
     &status("Finished logging");      &status("Finished logging");
Line 4622  $SIG{USR2} = \&UpdateHosts; Line 4778  $SIG{USR2} = \&UpdateHosts;
   
 ReadHostTable;  ReadHostTable;
   
   my $dist=`$perlvar{'lonDaemons'}/distprobe`;
   
 # --------------------------------------------------------------  # --------------------------------------------------------------
 #   Accept connections.  When a connection comes in, it is validated  #   Accept connections.  When a connection comes in, it is validated
 #   and if good, a child process is created to process transactions  #   and if good, a child process is created to process transactions
Line 4668  sub make_new_child { Line 4826  sub make_new_child {
     if (defined($iaddr)) {      if (defined($iaddr)) {
  $clientip  = inet_ntoa($iaddr);   $clientip  = inet_ntoa($iaddr);
  Debug("Connected with $clientip");   Debug("Connected with $clientip");
  $clientdns = gethostbyaddr($iaddr, AF_INET);  
  Debug("Connected with $clientdns by name");  
     } else {      } else {
  &logthis("Unable to determine clientip");   &logthis("Unable to determine clientip");
  $clientip='Unavailable';   $clientip='Unavailable';
Line 4699  sub make_new_child { Line 4855  sub make_new_child {
 #        my $tmpsnum=0;            # Now global  #        my $tmpsnum=0;            # Now global
 #---------------------------------------------------- kerberos 5 initialization  #---------------------------------------------------- kerberos 5 initialization
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
         &Authen::Krb5::init_ets();   if ($dist ne 'fedora4') {
       &Authen::Krb5::init_ets();
    }
   
  &status('Accepted connection');   &status('Accepted connection');
 # =============================================================================  # =============================================================================
Line 4709  sub make_new_child { Line 4867  sub make_new_child {
   
  ReadManagerTable; # May also be a manager!!   ReadManagerTable; # May also be a manager!!
   
  my $clientrec=($hostid{$clientip}     ne undef);   my $outsideip=$clientip;
  my $ismanager=($managers{$clientip}    ne undef);   if ($clientip eq '127.0.0.1') {
       $outsideip=$hostip{$perlvar{'lonHostID'}};
    }
   
    my $clientrec=($hostid{$outsideip}     ne undef);
    my $ismanager=($managers{$outsideip}    ne undef);
  $clientname  = "[unknonwn]";   $clientname  = "[unknonwn]";
  if($clientrec) { # Establish client type.   if($clientrec) { # Establish client type.
     $ConnectionType = "client";      $ConnectionType = "client";
     $clientname = $hostid{$clientip};      $clientname = $hostid{$outsideip};
     if($ismanager) {      if($ismanager) {
  $ConnectionType = "both";   $ConnectionType = "both";
     }      }
  } else {   } else {
     $ConnectionType = "manager";      $ConnectionType = "manager";
     $clientname = $managers{$clientip};      $clientname = $managers{$outsideip};
  }   }
  my $clientok;   my $clientok;
   
Line 4904  sub is_author { Line 5067  sub is_author {
 #    user      - Name of the user for which the role is being put.  #    user      - Name of the user for which the role is being put.
 #    authtype  - The authentication type associated with the user.  #    authtype  - The authentication type associated with the user.
 #  #
 sub manage_permissions  sub manage_permissions {
 {  
   
   
     my ($request, $domain, $user, $authtype) = @_;      my ($request, $domain, $user, $authtype) = @_;
   
     &Debug("manage_permissions: $request $domain $user $authtype");      &Debug("manage_permissions: $request $domain $user $authtype");
   
     # See if the request is of the form /$domain/_au      # See if the request is of the form /$domain/_au
     if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput...      if($request =~ /^(\/\Q$domain\E\/_au)$/) { # It's an author rolesput...
  my $execdir = $perlvar{'lonDaemons'};   my $execdir = $perlvar{'lonDaemons'};
  my $userhome= "/home/$user" ;   my $userhome= "/home/$user" ;
  &logthis("system $execdir/lchtmldir $userhome $user $authtype");   &logthis("system $execdir/lchtmldir $userhome $user $authtype");
Line 5106  sub validate_user { Line 5266  sub validate_user {
  my $krbserver  = &Authen::Krb5::parse_name($krbservice);   my $krbserver  = &Authen::Krb5::parse_name($krbservice);
  my $credentials= &Authen::Krb5::cc_default();   my $credentials= &Authen::Krb5::cc_default();
  $credentials->initialize($krbclient);   $credentials->initialize($krbclient);
  my $krbreturn  = &Authen::KRb5::get_in_tkt_with_password($krbclient,   my $krbreturn  = &Authen::Krb5::get_in_tkt_with_password($krbclient,
  $krbserver,   $krbserver,
  $password,   $password,
  $credentials);   $credentials);
Line 5350  sub subscribe { Line 5510  sub subscribe {
     }      }
     return $result;      return $result;
 }  }
   #  Change the passwd of a unix user.  The caller must have
   #  first verified that the user is a loncapa user.
   #
   # Parameters:
   #    user      - Unix user name to change.
   #    pass      - New password for the user.
   # Returns:
   #    ok    - if success
   #    other - Some meaningfule error message string.
   # NOTE:
   #    invokes a setuid script to change the passwd.
   sub change_unix_password {
       my ($user, $pass) = @_;
   
       &Debug("change_unix_password");
       my $execdir=$perlvar{'lonDaemons'};
       &Debug("Opening lcpasswd pipeline");
       my $pf = IO::File->new("|$execdir/lcpasswd > "
      ."$perlvar{'lonDaemons'}"
      ."/logs/lcpasswd.log");
       print $pf "$user\n$pass\n$pass\n";
       close $pf;
       my $err = $?;
       return ($err < @passwderrors) ? $passwderrors[$err] : 
    "pwchange_falure - unknown error";
   
       
   }
   
   
 sub make_passwd_file {  sub make_passwd_file {
     my ($uname, $umode,$npass,$passfilename)=@_;      my ($uname, $umode,$npass,$passfilename)=@_;
Line 5409  sub make_passwd_file { Line 5598  sub make_passwd_file {
  print $se "$npass\n";   print $se "$npass\n";
  print $se "$lc_error_file\n"; # Status -> unique file.   print $se "$lc_error_file\n"; # Status -> unique file.
     }      }
     my $error = IO::File->new("< $lc_error_file");      if (-r $lc_error_file) {
     my $useraddok = <$error>;   &Debug("Opening error file: $lc_error_file");
     $error->close;   my $error = IO::File->new("< $lc_error_file");
     unlink($lc_error_file);   my $useraddok = <$error>;
    $error->close;
     chomp $useraddok;   unlink($lc_error_file);
   
     if($useraddok > 0) {   chomp $useraddok;
  my $error_text = &lcuseraddstrerror($useraddok);  
  &logthis("Failed lcuseradd: $error_text");   if($useraddok > 0) {
  $result = "lcuseradd_failed:$error_text\n";      my $error_text = &lcuseraddstrerror($useraddok);
     }  else {      &logthis("Failed lcuseradd: $error_text");
  my $pf = IO::File->new(">$passfilename");      $result = "lcuseradd_failed:$error_text\n";
  if($pf) {   }  else {
     print $pf "unix:\n";      my $pf = IO::File->new(">$passfilename");
  } else {      if($pf) {
     $result = "pass_file_failed_error";   print $pf "unix:\n";
       } else {
    $result = "pass_file_failed_error";
       }
  }   }
       }  else {
    &Debug("Could not locate lcuseradd error: $lc_error_file");
    $result="bug_lcuseradd_no_output_file";
     }      }
  }   }
     } elsif ($umode eq 'none') {      } elsif ($umode eq 'none') {
Removed from v.1.269  
changed lines
  Added in v.1.289

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