Diff for /loncom/lond between versions 1.138 and 1.153

version 1.138, 2003/08/22 16:07:11 version 1.153, 2003/10/08 14:30:09
Line 57 Line 57
 #      Management functions supported include:  #      Management functions supported include:
 #       - pushing /home/httpd/lonTabs/hosts.tab  #       - pushing /home/httpd/lonTabs/hosts.tab
 #       - pushing /home/httpd/lonTabs/domain.tab  #       - pushing /home/httpd/lonTabs/domain.tab
 ###  # 09/08/2003 Ron Fox:  Told lond to take care of change logging so we
   #      don't have to remember it:
   # $Log$
   # Revision 1.153  2003/10/08 14:30:09  www
   # Minor typos.
   #
   # Revision 1.152  2003/10/08 14:18:34  www
   # Not good: this should be backported into 1.0.2!
   #
   # Revision 1.151  2003/10/03 15:11:03  albertel
   # - if we fail to fetch an update to the file, don't blow away the old one
   #   (this was the BUG that blew away that one default.sequence that Matthew
   #    ended up restoring from data.)
   #
   # Revision 1.150  2003/09/30 10:16:06  foxr
   # Added invocation of apachereload in ReloadApache sub.
   # This completes the addtion of the reinit functionality.
   #
   # Revision 1.149  2003/09/30 09:44:13  foxr
   # Tested UpdateHosts ability to
   # - Remove live children for hosts that are no longer in the hosts.tab
   # - Remove live children for hosts whose IPs have changed in the hosts.tab
   #
   # Revision 1.148  2003/09/29 10:09:18  foxr
   # Put in logic to reinit lond itself (except for apache reload).  I don't believe
   # this logic works correctly yet, however lond still does everything it used to doso I'll do the commit anyway.
   #
   # Revision 1.147  2003/09/23 11:23:31  foxr
   # Comlplete implementation of reinit functionality.  Must still implement
   # the actual initialization functionality, but the process can now
   # receive the request and either invoke the appropriate internal function or
   # signal the correct lonc.
   #
   # Revision 1.146  2003/09/16 10:28:14  foxr
   # ReinitProcess - decode the process selector and produce the associated pid
   # filename.  Note: While it is possible to test that valid process selectors are
   # handled properly I am not able to test that invalid process selectors produce
   # the appropriate error as lonManage also blocks the use of invalid process selectors.
   #
   # Revision 1.145  2003/09/16 10:13:20  foxr
   # Added ReinitProcess function to oversee the parsing and processing of the
   # reinit:<process> client request.
   #
   # Revision 1.144  2003/09/16 09:47:01  foxr
   # Added skeletal support for SIGUSR2 (update hosts.tab)
   #
   # Revision 1.143  2003/09/15 10:03:52  foxr
   # Completed and tested code for pushfile.
   #
   # Revision 1.142  2003/09/09 20:47:46  www
   # Permanently store chatroom entries in chatroom.log
   #
   # Revision 1.141  2003/09/08 10:32:07  foxr
   # Added PushFile sub This sub oversees the push of a new configuration table file
   # Currently supported files are:
   # - hosts.tab   (transaction pushfile:hosts:contents)
   # - domain.tab  (transaction pushfile:domain:contents)
   #
   
   
 use strict;  use strict;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
Line 75  use Authen::Krb4; Line 133  use Authen::Krb4;
 use Authen::Krb5;  use Authen::Krb5;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
 use localauth;  use localauth;
   use File::Copy;
   
 my $DEBUG = 0;       # Non zero to enable debug log entries.  my $DEBUG = 0;       # Non zero to enable debug log entries.
   
Line 87  my $currenthostid; Line 146  my $currenthostid;
 my $currentdomainid;  my $currentdomainid;
   
 my $client;  my $client;
   my $clientip;
   
 my $server;  my $server;
 my $thisserver;  my $thisserver;
   
 my %hostid;  my %hostid;
 my %hostdom;  my %hostdom;
 my %hostip;  my %hostip;
   my %perlvar; # Will have the apache conf defined perl vars.
   
 #  #
 #  The array below are password error strings."  #  The array below are password error strings."
Line 122  my @adderrors    = ("ok", Line 184  my @adderrors    = ("ok",
     "lcuseradd Incorrect number of stdinput lines, must be 3",      "lcuseradd Incorrect number of stdinput lines, must be 3",
     "lcuseradd Too many other simultaneous pwd changes in progress",      "lcuseradd Too many other simultaneous pwd changes in progress",
     "lcuseradd User does not exist",      "lcuseradd User does not exist",
     "lcuseradd Unabel to mak ewww member of users's group",      "lcuseradd Unable to make www member of users's group",
     "lcuseradd Unable to su to root",      "lcuseradd Unable to su to root",
     "lcuseradd Unable to set password",      "lcuseradd Unable to set password",
     "lcuseradd Usrname has invbalid charcters",      "lcuseradd Usrname has invalid characters",
     "lcuseradd Password has an invalid character",      "lcuseradd Password has an invalid character",
     "lcuseradd User already exists",      "lcuseradd User already exists",
     "lcuseradd Could not add user.",      "lcuseradd Could not add user.",
Line 133  my @adderrors    = ("ok", Line 195  my @adderrors    = ("ok",
   
   
 #  #
   #   GetCertificate: Given a transaction that requires a certificate,
   #   this function will extract the certificate from the transaction
   #   request.  Note that at this point, the only concept of a certificate
   #   is the hostname to which we are connected.
   #
   #   Parameter:
   #      request   - The request sent by our client (this parameterization may
   #                  need to change when we really use a certificate granting
   #                  authority.
   #
   sub GetCertificate {
       my $request = shift;
   
       return $clientip;
   }
   
   
   #
   #  ValidManager: Determines if a given certificate represents a valid manager.
   #                in this primitive implementation, the 'certificate' is
   #                just the connecting loncapa client name.  This is checked
   #                against a valid client list in the configuration.
   #
   #                  
   sub ValidManager {
       my $certificate = shift; 
   
       my $hostentry   = $hostid{$certificate};
       if ($hostentry ne undef) {
    &logthis('<font color="yellow">Authenticating manager'.
    " $hostentry</font>");
    return 1;
       } else {
    &logthis('<font color="red"> Failed manager authentication '.
    "$certificate </font>");
       }
   }
   #
   #  CopyFile:  Called as part of the process of installing a 
   #             new configuration file.  This function copies an existing
   #             file to a backup file.
   # Parameters:
   #     oldfile  - Name of the file to backup.
   #     newfile  - Name of the backup file.
   # Return:
   #     0   - Failure (errno has failure reason).
   #     1   - Success.
   #
   sub CopyFile {
       my $oldfile = shift;
       my $newfile = shift;
   
       #  The file must exist:
   
       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;
       }
   }
   
   #
   #   InstallFile: Called to install an administrative file:
   #       - The file is created with <name>.tmp
   #       - The <name>.tmp file is then mv'd to <name>
   #   This lugubrious procedure is done to ensure that we are never without
   #   a valid, even if dated, version of the file regardless of who crashes
   #   and when the crash occurs.
   #
   #  Parameters:
   #       Name of the file
   #       File Contents.
   #  Return:
   #      nonzero - success.
   #      0       - failure and $! has an errno.
   #
   sub InstallFile {
       my $Filename = shift;
       my $Contents = shift;
       my $TempFile = $Filename.".tmp";
   
       #  Open the file for write:
   
       my $fh = IO::File->new("> $TempFile"); # Write to temp.
       if(!(defined $fh)) {
    &logthis('<font color="red"> Unable to create '.$TempFile."</font>");
    return 0;
       }
       #  write the contents of the file:
   
       print $fh ($Contents); 
       $fh->close; # In case we ever have a filesystem w. locking
   
       chmod(0660, $TempFile);
   
       # Now we can move install the file in position.
       
       move($TempFile, $Filename);
   
       return 1;
   }
   
   #
   #   PushFile:  Called to do an administrative push of a file.
   #              - Ensure the file being pushed is one we support.
   #              - Backup the old file to <filename.saved>
   #              - Separate the contents of the new file out from the
   #                rest of the request.
   #              - Write the new file.
   #  Parameter:
   #     Request - The entire user request.  This consists of a : separated
   #               string pushfile:tablename:contents.
   #     NOTE:  The contents may have :'s in it as well making things a bit
   #            more interesting... but not much.
   #  Returns:
   #     String to send to client ("ok" or "refused" if bad file).
   #
   sub PushFile {
       my $request = shift;    
       my ($command, $filename, $contents) = split(":", $request, 3);
       
       #  At this point in time, pushes for only the following tables are
       #  supported:
       #   hosts.tab  ($filename eq host).
       #   domain.tab ($filename eq domain).
       # Construct the destination filename or reject the request.
       #
       # lonManage is supposed to ensure this, however this session could be
       # part of some elaborate spoof that managed somehow to authenticate.
       #
   
       my $tablefile = $perlvar{'lonTabDir'}.'/'; # need to precede with dir.
       if ($filename eq "host") {
    $tablefile .= "hosts.tab";
       } elsif ($filename eq "domain") {
    $tablefile .= "domain.tab";
       } else {
    return "refused";
       }
       #
       # >copy< the old table to the backup table
       #        don't rename in case system crashes/reboots etc. in the time
       #        window between a rename and write.
       #
       my $backupfile = $tablefile;
       $backupfile    =~ s/\.tab$/.old/;
       if(!CopyFile($tablefile, $backupfile)) {
    &logthis('<font color="green"> CopyFile from '.$tablefile." to ".$backupfile." failed </font>");
    return "error:$!";
       }
       &logthis('<font color="green"> Pushfile: backed up '
       .$tablefile." to $backupfile</font>");
       
       #  Install the new file:
   
       if(!InstallFile($tablefile, $contents)) {
    &logthis('<font color="red"> Pushfile: unable to install '
    .$tablefile." $! </font>");
    return "error:$!";
       }
       else {
    &logthis('<font color="green"> Installed new '.$tablefile
    ."</font>");
   
       }
   
   
       #  Indicate success:
    
       return "ok";
   
   }
   
   #
   #  Called to re-init either lonc or lond.
   #
   #  Parameters:
   #    request   - The full request by the client.  This is of the form
   #                reinit:<process>  
   #                where <process> is allowed to be either of 
   #                lonc or lond
   #
   #  Returns:
   #     The string to be sent back to the client either:
   #   ok         - Everything worked just fine.
   #   error:why  - There was a failure and why describes the reason.
   #
   #
   sub ReinitProcess {
       my $request = shift;
   
   
       # separate the request (reinit) from the process identifier and
       # validate it producing the name of the .pid file for the process.
       #
       #
       my ($junk, $process) = split(":", $request);
       my $processpidfile = $perlvar{'lonDaemons'}.'/logs/';
       if($process eq 'lonc') {
    $processpidfile = $processpidfile."lonc.pid";
    if (!open(PIDFILE, "< $processpidfile")) {
       return "error:Open failed for $processpidfile";
    }
    my $loncpid = <PIDFILE>;
    close(PIDFILE);
    logthis('<font color="red"> Reinitializing lonc pid='.$loncpid
    ."</font>");
    kill("USR2", $loncpid);
       } elsif ($process eq 'lond') {
    logthis('<font color="red"> Reinitializing self (lond) </font>');
    &UpdateHosts; # Lond is us!!
       } else {
    &logthis('<font color="yellow" Invalid reinit request for '.$process
    ."</font>");
    return "error:Invalid process identifier $process";
       }
       return 'ok';
   }
   
   #
 #  Convert an error return code from lcpasswd to a string value.  #  Convert an error return code from lcpasswd to a string value.
 #  #
 sub lcpasswdstrerror {  sub lcpasswdstrerror {
Line 182  $SIG{__DIE__}=\&catchexception; Line 490  $SIG{__DIE__}=\&catchexception;
 # ---------------------------------- Read loncapa_apache.conf and loncapa.conf  # ---------------------------------- Read loncapa_apache.conf and loncapa.conf
 &status("Read loncapa.conf and loncapa_apache.conf");  &status("Read loncapa.conf and loncapa_apache.conf");
 my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');  my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
 my %perlvar=%{$perlvarref};  %perlvar=%{$perlvarref};
 undef $perlvarref;  undef $perlvarref;
   
 # ----------------------------- Make sure this process is running from user=www  # ----------------------------- Make sure this process is running from user=www
Line 208  if (-e $pidfile) { Line 516  if (-e $pidfile) {
   
 # ------------------------------------------------------------- Read hosts file  # ------------------------------------------------------------- Read hosts file
   
 open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file";  
   
 while (my $configline=<CONFIG>) {  
     my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);  
     chomp($ip); $ip=~s/\D+$//;  
     $hostid{$ip}=$id;  
     $hostdom{$id}=$domain;  
     $hostip{$id}=$ip;  
     if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; }  
 }  
 close(CONFIG);  
   
 # establish SERVER socket, bind and listen.  # establish SERVER socket, bind and listen.
 $server = IO::Socket::INET->new(LocalPort => $perlvar{'londPort'},  $server = IO::Socket::INET->new(LocalPort => $perlvar{'londPort'},
Line 267  sub HUPSMAN {                      # sig Line 565  sub HUPSMAN {                      # sig
     exec("$execdir/lond");         # here we go again      exec("$execdir/lond");         # here we go again
 }  }
   
   #
   #    Kill off hashes that describe the host table prior to re-reading it.
   #    Hashes affected are:
   #       %hostid, %hostdom %hostip
   #
   sub KillHostHashes {
       foreach my $key (keys %hostid) {
    delete $hostid{$key};
       }
       foreach my $key (keys %hostdom) {
    delete $hostdom{$key};
       }
       foreach my $key (keys %hostip) {
    delete $hostip{$key};
       }
   }
   #
   #   Read in the host table from file and distribute it into the various hashes:
   #
   #    - %hostid  -  Indexed by IP, the loncapa hostname.
   #    - %hostdom -  Indexed by  loncapa hostname, the domain.
   #    - %hostip  -  Indexed by hostid, the Ip address of the host.
   sub ReadHostTable {
   
       open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file";
       
       while (my $configline=<CONFIG>) {
    my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);
    chomp($ip); $ip=~s/\D+$//;
    $hostid{$ip}=$id;
    $hostdom{$id}=$domain;
    $hostip{$id}=$ip;
    if ($id eq $perlvar{'lonHostID'}) { $thisserver=$name; }
       }
       close(CONFIG);
   }
   #
   #  Reload the Apache daemon's state.
   #  This is done by invoking /home/httpd/perl/apachereload
   #  a setuid perl script that can be root for us to do this job.
   #
   sub ReloadApache {
       my $execdir = $perlvar{'lonDaemons'};
       my $script  = $execdir."/apachereload";
       system($script);
   }
   
   #
   #   Called in response to a USR2 signal.
   #   - Reread hosts.tab
   #   - All children connected to hosts that were removed from hosts.tab
   #     are killed via SIGINT
   #   - All children connected to previously existing hosts are sent SIGUSR1
   #   - Our internal hosts hash is updated to reflect the new contents of
   #     hosts.tab causing connections from hosts added to hosts.tab to
   #     now be honored.
   #
   sub UpdateHosts {
       logthis('<font color="blue"> Updating connections </font>');
       #
       #  The %children hash has the set of IP's we currently have children
       #  on.  These need to be matched against records in the hosts.tab
       #  Any ip's no longer in the table get killed off they correspond to
       #  either dropped or changed hosts.  Note that the re-read of the table
       #  will take care of new and changed hosts as connections come into being.
   
   
       KillHostHashes;
       ReadHostTable;
   
       foreach my $child (keys %children) {
    my $childip = $children{$child};
    if(!$hostid{$childip}) {
       logthis('<font color="blue"> UpdateHosts killing child '
       ." $child for ip $childip </font>");
       kill('INT', $child);
    } else {
       logthis('<font color="green"> keeping child for ip '
       ." $childip (pid=$child) </font>");
    }
       }
       ReloadApache;
   }
   
   
 sub checkchildren {  sub checkchildren {
     &initnewstatus();      &initnewstatus();
     &logstatus();      &logstatus();
Line 298  sub checkchildren { Line 681  sub checkchildren {
         }          }
     }      }
     $SIG{ALRM} = 'DEFAULT';      $SIG{ALRM} = 'DEFAULT';
     $SIG{__DIE__} = \&cathcexception;      $SIG{__DIE__} = \&catchcexception;
 }  }
   
 # --------------------------------------------------------------------- Logging  # --------------------------------------------------------------------- Logging
Line 509  $SIG{CHLD} = \&REAPER; Line 892  $SIG{CHLD} = \&REAPER;
 $SIG{INT}  = $SIG{TERM} = \&HUNTSMAN;  $SIG{INT}  = $SIG{TERM} = \&HUNTSMAN;
 $SIG{HUP}  = \&HUPSMAN;  $SIG{HUP}  = \&HUPSMAN;
 $SIG{USR1} = \&checkchildren;  $SIG{USR1} = \&checkchildren;
   $SIG{USR2} = \&UpdateHosts;
   
   #  Read the host hashes:
   
   ReadHostTable;
   
 # --------------------------------------------------------------  # --------------------------------------------------------------
 #   Accept connections.  When a connection comes in, it is validated  #   Accept connections.  When a connection comes in, it is validated
Line 534  sub make_new_child { Line 920  sub make_new_child {
     sigprocmask(SIG_BLOCK, $sigset)      sigprocmask(SIG_BLOCK, $sigset)
         or die "Can't block SIGINT for fork: $!\n";          or die "Can't block SIGINT for fork: $!\n";
   
     my $clientip;  
     die "fork: $!" unless defined ($pid = fork);      die "fork: $!" unless defined ($pid = fork);
   
       $client->sockopt(SO_KEEPALIVE, 1); # Enable monitoring of
                                  # connection liveness.
   
       #
       #  Figure out who we're talking to so we can record the peer in 
       #  the pid hash.
       #
       my $caller = getpeername($client);
       my ($port,$iaddr)=unpack_sockaddr_in($caller);
       $clientip=inet_ntoa($iaddr);
           
     if ($pid) {      if ($pid) {
         # Parent records the child's birth and returns.          # Parent records the child's birth and returns.
         sigprocmask(SIG_UNBLOCK, $sigset)          sigprocmask(SIG_UNBLOCK, $sigset)
             or die "Can't unblock SIGINT for fork: $!\n";              or die "Can't unblock SIGINT for fork: $!\n";
         $children{$pid} = 1;          $children{$pid} = $clientip;
         $children++;          $children++;
         &status('Started child '.$pid);          &status('Started child '.$pid);
         return;          return;
Line 568  sub make_new_child { Line 964  sub make_new_child {
 # =============================================================================  # =============================================================================
             # do something with the connection              # do something with the connection
 # -----------------------------------------------------------------------------  # -----------------------------------------------------------------------------
     $client->sockopt(SO_KEEPALIVE, 1);# Enable monitoring of   # see if we know client and check for spoof IP by challenge
                                       # connection liveness.  
             # see if we know client and check for spoof IP by challenge  
  my $caller = getpeername($client);  
             my ($port,$iaddr)=unpack_sockaddr_in($caller);  
             $clientip=inet_ntoa($iaddr);  
             my $clientrec=($hostid{$clientip} ne undef);              my $clientrec=($hostid{$clientip} ne undef);
             &logthis(              &logthis(
 "<font color=yellow>INFO: Connection, $clientip ($hostid{$clientip})</font>"  "<font color=yellow>INFO: Connection, $clientip ($hostid{$clientip})</font>"
Line 703  sub make_new_child { Line 1095  sub make_new_child {
      }       }
 #--------------------------------------------------------------------- pushfile  #--------------------------------------------------------------------- pushfile
    } elsif($userinput =~ /^pushfile/) {      } elsif($userinput =~ /^pushfile/) { 
        print $client "ok\n";         if($wasenc == 1) {
      my $cert = GetCertificate($userinput);
      if(ValidManager($cert)) {
          my $reply = PushFile($userinput);
          print $client "$reply\n";
      } else {
          print $client "refused\n";
      } 
          } else {
      print $client "refused\n";
          }
 #--------------------------------------------------------------------- reinit  #--------------------------------------------------------------------- reinit
    } elsif($userinput =~ /^reinit/) {     } elsif($userinput =~ /^reinit/) {
        print $client "ok\n";         if ($wasenc == 1) {
      my $cert = GetCertificate($userinput);
      if(ValidManager($cert)) {
          chomp($userinput);
          my $reply = ReinitProcess($userinput);
          print $client  "$reply\n";
      } else {
          print $client "refused\n";
      }
          } else {
      print $client "refused\n";
          }
 # ------------------------------------------------------------------------ auth  # ------------------------------------------------------------------------ auth
                    } elsif ($userinput =~ /^auth/) {                     } elsif ($userinput =~ /^auth/) {
      if ($wasenc==1) {       if ($wasenc==1) {
Line 818  sub make_new_child { Line 1231  sub make_new_child {
      my $salt=time;       my $salt=time;
                              $salt=substr($salt,6,2);                               $salt=substr($salt,6,2);
      my $ncpass=crypt($npass,$salt);       my $ncpass=crypt($npass,$salt);
                              { my $pf = IO::File->new(">$passfilename");                               {
           print $pf "internal:$ncpass\n"; }                my $pf;
      &logthis("Result of password change for $uname: pwchange_success");   if ($pf = IO::File->new(">$passfilename")) {
                              print $client "ok\n";       print $pf "internal:$ncpass\n";
        &logthis("Result of password change for $uname: pwchange_success");
        print $client "ok\n";
    } else {
        &logthis("Unable to open $uname passwd to change password");
        print $client "non_authorized\n";
    }
        }             
        
                            } else {                             } else {
                              print $client "non_authorized\n";                               print $client "non_authorized\n";
                            }                             }
Line 1000  sub make_new_child { Line 1421  sub make_new_child {
                        }                         }
 # -------------------------------------- fetch a user file from a remote server  # -------------------------------------- fetch a user file from a remote server
                    } elsif ($userinput =~ /^fetchuserfile/) {                     } elsif ($userinput =~ /^fetchuserfile/) {
                       my ($cmd,$fname)=split(/:/,$userinput);         my ($cmd,$fname)=split(/:/,$userinput);
       my ($udom,$uname,$ufile)=split(/\//,$fname);         my ($udom,$uname,$ufile)=split(/\//,$fname);
                       my $udir=propath($udom,$uname).'/userfiles';         my $udir=propath($udom,$uname).'/userfiles';
                       unless (-e $udir) { mkdir($udir,0770); }         unless (-e $udir) { mkdir($udir,0770); }
                        if (-e $udir) {                         if (-e $udir) {
                        $ufile=~s/^[\.\~]+//;     $ufile=~s/^[\.\~]+//;
                        $ufile=~s/\///g;     $ufile=~s/\///g;
                        my $transname=$udir.'/'.$ufile;     my $destname=$udir.'/'.$ufile;
                        my $remoteurl='http://'.$clientip.'/userfiles/'.$fname;     my $transname=$udir.'/'.$ufile.'.in.transit';
                              my $response;     my $remoteurl='http://'.$clientip.'/userfiles/'.$fname;
                               {     my $response;
                              my $ua=new LWP::UserAgent;     {
                              my $request=new HTTP::Request('GET',"$remoteurl");         my $ua=new LWP::UserAgent;
                              $response=$ua->request($request,$transname);         my $request=new HTTP::Request('GET',"$remoteurl");
       }         $response=$ua->request($request,$transname);
                              if ($response->is_error()) {     }
  unlink($transname);     if ($response->is_error()) {
                                  my $message=$response->status_line;         unlink($transname);
                                  &logthis(         my $message=$response->status_line;
                                   "LWP GET: $message for $fname ($remoteurl)");         &logthis("LWP GET: $message for $fname ($remoteurl)");
  print $client "failed\n";         print $client "failed\n";
                              } else {     } else {
                                  print $client "ok\n";         if (!rename($transname,$destname)) {
                              }     &logthis("Unable to move $transname to $destname");
                      } else {     unlink($transname);
                        print $client "not_home\n";     print $client "failed\n";
                      }          } else {
      print $client "ok\n";
          }
      }
          } else {
      print $client "not_home\n";
          }
 # ------------------------------------------ authenticate access to a user file  # ------------------------------------------ authenticate access to a user file
                    } elsif ($userinput =~ /^tokenauthuserfile/) {                     } elsif ($userinput =~ /^tokenauthuserfile/) {
                        my ($cmd,$fname,$session)=split(/:/,$userinput);                         my ($cmd,$fname,$session)=split(/:/,$userinput);
Line 1910  sub chatadd { Line 2337  sub chatadd {
     my %hash;      my %hash;
     my $proname=&propath($cdom,$cname);      my $proname=&propath($cdom,$cname);
     my @entries=();      my @entries=();
       my $time=time;
     if (tie(%hash,'GDBM_File',"$proname/nohist_chatroom.db",      if (tie(%hash,'GDBM_File',"$proname/nohist_chatroom.db",
     &GDBM_WRCREAT(),0640)) {      &GDBM_WRCREAT(),0640)) {
  @entries=map { $_.':'.$hash{$_} } sort keys %hash;   @entries=map { $_.':'.$hash{$_} } sort keys %hash;
  my $time=time;  
  my ($lastid)=($entries[$#entries]=~/^(\w+)\:/);   my ($lastid)=($entries[$#entries]=~/^(\w+)\:/);
  my ($thentime,$idnum)=split(/\_/,$lastid);   my ($thentime,$idnum)=split(/\_/,$lastid);
  my $newid=$time.'_000000';   my $newid=$time.'_000000';
Line 1933  sub chatadd { Line 2360  sub chatadd {
  }   }
  untie %hash;   untie %hash;
     }      }
       {
    my $hfh;
    if ($hfh=IO::File->new(">>$proname/chatroom.log")) { 
       print $hfh "$time:".&unescape($newchat)."\n";
    }
       }
 }  }
   
 sub unsub {  sub unsub {
Line 2251  each connection is logged. Line 2684  each connection is logged.
   
 =item *  =item *
   
   SIGUSR2
   
   Parent Signal assignment:
       $SIG{USR2} = \&UpdateHosts
   
   Child signal assignment:
       NONE
   
   
   =item *
   
 SIGCHLD  SIGCHLD
   
 Parent signal assignment:  Parent signal assignment:

Removed from v.1.138  
changed lines
  Added in v.1.153


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