--- loncom/lond 2003/10/08 20:29:46 1.154 +++ loncom/lond 2004/06/08 22:09:44 1.193 @@ -2,7 +2,7 @@ # The LearningOnline Network # lond "LON Daemon" Server (port "LOND" 5663) # -# $Id: lond,v 1.154 2003/10/08 20:29:46 albertel Exp $ +# $Id: lond,v 1.193 2004/06/08 22:09:44 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -10,7 +10,7 @@ # # LON-CAPA is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by -# the Free Software Foundation; either version 2 of the License, or +# the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # LON-CAPA is distributed in the hope that it will be useful, @@ -24,43 +24,10 @@ # # /home/httpd/html/adm/gpl.txt # + + # http://www.lon-capa.org/ # -# 5/26/99,6/4,6/10,6/11,6/14,6/15,6/26,6/28,6/30, -# 7/8,7/9,7/10,7/12,7/17,7/19,9/21, -# 10/7,10/8,10/9,10/11,10/13,10/15,11/4,11/16, -# 12/7,12/15,01/06,01/11,01/12,01/14,2/8, -# 03/07,05/31 Gerd Kortemeyer -# 06/29,06/30,07/14,07/15,07/17,07/20,07/25,09/18 Gerd Kortemeyer -# 12/05,12/13,12/29 Gerd Kortemeyer -# YEAR=2001 -# 02/12 Gerd Kortemeyer -# 03/24 Gerd Kortemeyer -# 05/11,05/28,08/30 Gerd Kortemeyer -# 11/26,11/27 Gerd Kortemeyer -# 12/22 Gerd Kortemeyer -# YEAR=2002 -# 01/20/02,02/05 Gerd Kortemeyer -# 02/05 Guy Albertelli -# 02/12 Gerd Kortemeyer -# 02/19 Matthew Hall -# 02/25 Gerd Kortemeyer -# 01/xx/2003 Ron Fox.. Remove preforking. This makes the general daemon -# logic simpler (and there were problems maintaining the preforked -# population). Since the time averaged connection rate is close to zero -# because lonc's purpose is to maintain near continuous connnections, -# preforking is not really needed. -# 08/xx/2003 Ron Fox: Add management requests. Management requests -# will be validated via a call to ValidateManager. At present, this -# is done by simple host verification. In the future we can modify -# this function to do a certificate check. -# Management functions supported include: -# - pushing /home/httpd/lonTabs/hosts.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: -# - use strict; use lib '/home/httpd/lib/perl/'; @@ -78,27 +45,42 @@ use Authen::Krb4; use Authen::Krb5; use lib '/home/httpd/lib/perl/'; use localauth; +use localenroll; use File::Copy; +use LONCAPA::ConfigFileEdit; my $DEBUG = 0; # Non zero to enable debug log entries. my $status=''; my $lastlog=''; -my $VERSION='$Revision: 1.154 $'; #' stupid emacs +my $VERSION='$Revision: 1.193 $'; #' stupid emacs my $remoteVERSION; my $currenthostid; my $currentdomainid; my $client; my $clientip; +my $clientname; my $server; my $thisserver; +# +# Connection type is: +# client - All client actions are allowed +# manager - only management functions allowed. +# both - Both management and client actions are allowed +# + +my $ConnectionType; + my %hostid; my %hostdom; my %hostip; + +my %managers; # Ip -> manager names + my %perlvar; # Will have the apache conf defined perl vars. # @@ -156,6 +138,69 @@ sub GetCertificate { return $clientip; } +# +# Return true if client is a manager. +# +sub isManager { + return (($ConnectionType eq "manager") || ($ConnectionType eq "both")); +} +# +# Return tru if client can do client functions +# +sub isClient { + return (($ConnectionType eq "client") || ($ConnectionType eq "both")); +} + + +# +# ReadManagerTable: Reads in the current manager table. For now this is +# done on each manager authentication because: +# - These authentications are not frequent +# - This allows dynamic changes to the manager table +# without the need to signal to the lond. +# + +sub ReadManagerTable { + + # Clean out the old table first.. + + foreach my $key (keys %managers) { + delete $managers{$key}; + } + + my $tablename = $perlvar{'lonTabDir'}."/managers.tab"; + if (!open (MANAGERS, $tablename)) { + logthis('No manager table. Nobody can manage!!'); + return; + } + while(my $host = ) { + chomp($host); + if ($host =~ "^#") { # Comment line. + logthis(' Skipping line: '. "$host\n"); + next; + } + if (!defined $hostip{$host}) { # This is a non cluster member + # The entry is of the form: + # cluname:hostname + # cluname - A 'cluster hostname' is needed in order to negotiate + # the host key. + # hostname- The dns name of the host. + # + my($cluname, $dnsname) = split(/:/, $host); + + my $ip = gethostbyname($dnsname); + if(defined($ip)) { # bad names don't deserve entry. + my $hostip = inet_ntoa($ip); + $managers{$hostip} = $cluname; + logthis(' registering manager '. + "$dnsname as $cluname with $hostip \n"); + } + } else { + logthis(' existing host'." $host\n"); + $managers{$hostip{$host}} = $host; # Use info from cluster tab if clumemeber + } + } +} # # ValidManager: Determines if a given certificate represents a valid manager. @@ -167,15 +212,7 @@ sub GetCertificate { sub ValidManager { my $certificate = shift; - my $hostentry = $hostid{$certificate}; - if ($hostentry ne undef) { - &logthis('Authenticating manager'. - " $hostentry"); - return 1; - } else { - &logthis(' Failed manager authentication '. - "$certificate "); - } + return isManager; } # # CopyFile: Called as part of the process of installing a @@ -189,8 +226,8 @@ sub ValidManager { # 1 - Success. # sub CopyFile { - my $oldfile = shift; - my $newfile = shift; + + my ($oldfile, $newfile) = @_; # The file must exist: @@ -226,7 +263,54 @@ sub CopyFile { return 0; } } - +# +# Host files are passed out with externally visible host IPs. +# If, for example, we are behind a fire-wall or NAT host, our +# internally visible IP may be different than the externally +# visible IP. Therefore, we always adjust the contents of the +# host file so that the entry for ME is the IP that we believe +# we have. At present, this is defined as the entry that +# DNS has for us. If by some chance we are not able to get a +# DNS translation for us, then we assume that the host.tab file +# is correct. +# BUGBUGBUG - in the future, we really should see if we can +# easily query the interface(s) instead. +# Parameter(s): +# contents - The contents of the host.tab to check. +# Returns: +# newcontents - The adjusted contents. +# +# +sub AdjustHostContents { + my $contents = shift; + my $adjusted; + my $me = $perlvar{'lonHostID'}; + + foreach my $line (split(/\n/,$contents)) { + if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/))) { + chomp($line); + my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon)=split(/:/,$line); + if ($id eq $me) { + my $ip = gethostbyname($name); + my $ipnew = inet_ntoa($ip); + $ip = $ipnew; + # Reconstruct the host line and append to adjusted: + + my $newline = "$id:$domain:$role:$name:$ip"; + if($maxcon ne "") { # Not all hosts have loncnew tuning params + $newline .= ":$maxcon:$idleto:$mincon"; + } + $adjusted .= $newline."\n"; + + } else { # Not me, pass unmodified. + $adjusted .= $line."\n"; + } + } else { # Blank or comment never re-written. + $adjusted .= $line."\n"; # Pass blanks and comments as is. + } + } + return $adjusted; +} # # InstallFile: Called to install an administrative file: # - The file is created with .tmp @@ -243,8 +327,8 @@ sub CopyFile { # 0 - failure and $! has an errno. # sub InstallFile { - my $Filename = shift; - my $Contents = shift; + + my ($Filename, $Contents) = @_; my $TempFile = $Filename.".tmp"; # Open the file for write: @@ -267,7 +351,31 @@ sub InstallFile { return 1; } +# +# ConfigFileFromSelector: converts a configuration file selector +# (one of host or domain at this point) into a +# configuration file pathname. +# +# Parameters: +# selector - Configuration file selector. +# Returns: +# Full path to the file or undef if the selector is invalid. +# +sub ConfigFileFromSelector { + my $selector = shift; + my $tablefile; + + my $tabledir = $perlvar{'lonTabDir'}.'/'; + if ($selector eq "hosts") { + $tablefile = $tabledir."hosts.tab"; + } elsif ($selector eq "domain") { + $tablefile = $tabledir."domain.tab"; + } else { + return undef; + } + return $tablefile; +} # # PushFile: Called to do an administrative push of a file. # - Ensure the file being pushed is one we support. @@ -297,12 +405,9 @@ sub PushFile { # 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 { + + my $tablefile = ConfigFileFromSelector($filename); + if(! (defined $tablefile)) { return "refused"; } # @@ -319,6 +424,16 @@ sub PushFile { &logthis(' Pushfile: backed up ' .$tablefile." to $backupfile"); + # If the file being pushed is the host file, we adjust the entry for ourself so that the + # IP will be our current IP as looked up in dns. Note this is only 99% good as it's possible + # to conceive of conditions where we don't have a DNS entry locally. This is possible in a + # network sense but it doesn't make much sense in a LonCAPA sense so we ignore (for now) + # that possibilty. + + if($filename eq "host") { + $contents = AdjustHostContents($contents); + } + # Install the new file: if(!InstallFile($tablefile, $contents)) { @@ -384,7 +499,227 @@ sub ReinitProcess { } return 'ok'; } +# Validate a line in a configuration file edit script: +# Validation includes: +# - Ensuring the command is valid. +# - Ensuring the command has sufficient parameters +# Parameters: +# scriptline - A line to validate (\n has been stripped for what it's worth). +# +# Return: +# 0 - Invalid scriptline. +# 1 - Valid scriptline +# NOTE: +# Only the command syntax is checked, not the executability of the +# command. +# +sub isValidEditCommand { + my $scriptline = shift; + + # Line elements are pipe separated: + + my ($command, $key, $newline) = split(/\|/, $scriptline); + &logthis(' isValideditCommand checking: '. + "Command = '$command', Key = '$key', Newline = '$newline' \n"); + + if ($command eq "delete") { + # + # key with no newline. + # + if( ($key eq "") || ($newline ne "")) { + return 0; # Must have key but no newline. + } else { + return 1; # Valid syntax. + } + } elsif ($command eq "replace") { + # + # key and newline: + # + if (($key eq "") || ($newline eq "")) { + return 0; + } else { + return 1; + } + } elsif ($command eq "append") { + if (($key ne "") && ($newline eq "")) { + return 1; + } else { + return 0; + } + } else { + return 0; # Invalid command. + } + return 0; # Should not get here!!! +} +# +# ApplyEdit - Applies an edit command to a line in a configuration +# file. It is the caller's responsiblity to validate the +# edit line. +# Parameters: +# $directive - A single edit directive to apply. +# Edit directives are of the form: +# append|newline - Appends a new line to the file. +# replace|key|newline - Replaces the line with key value 'key' +# delete|key - Deletes the line with key value 'key'. +# $editor - A config file editor object that contains the +# file being edited. +# +sub ApplyEdit { + + my ($directive, $editor) = @_; + + # Break the directive down into its command and its parameters + # (at most two at this point. The meaning of the parameters, if in fact + # they exist depends on the command). + + my ($command, $p1, $p2) = split(/\|/, $directive); + + if($command eq "append") { + $editor->Append($p1); # p1 - key p2 null. + } elsif ($command eq "replace") { + $editor->ReplaceLine($p1, $p2); # p1 - key p2 = newline. + } elsif ($command eq "delete") { + $editor->DeleteLine($p1); # p1 - key p2 null. + } else { # Should not get here!!! + die "Invalid command given to ApplyEdit $command" + } +} +# +# AdjustOurHost: +# Adjusts a host file stored in a configuration file editor object +# for the true IP address of this host. This is necessary for hosts +# that live behind a firewall. +# Those hosts have a publicly distributed IP of the firewall, but +# internally must use their actual IP. We assume that a given +# host only has a single IP interface for now. +# Formal Parameters: +# editor - The configuration file editor to adjust. This +# editor is assumed to contain a hosts.tab file. +# Strategy: +# - Figure out our hostname. +# - Lookup the entry for this host. +# - Modify the line to contain our IP +# - Do a replace for this host. +sub AdjustOurHost { + my $editor = shift; + + # figure out who I am. + + my $myHostName = $perlvar{'lonHostID'}; # LonCAPA hostname. + + # Get my host file entry. + + my $ConfigLine = $editor->Find($myHostName); + if(! (defined $ConfigLine)) { + die "AdjustOurHost - no entry for me in hosts file $myHostName"; + } + # figure out my IP: + # Use the config line to get my hostname. + # Use gethostbyname to translate that into an IP address. + # + my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon) = split(/:/,$ConfigLine); + my $BinaryIp = gethostbyname($name); + my $ip = inet_ntoa($ip); + # + # Reassemble the config line from the elements in the list. + # Note that if the loncnew items were not present before, they will + # be now even if they would be empty + # + my $newConfigLine = $id; + foreach my $item ($domain, $role, $name, $ip, $maxcon, $idleto, $mincon) { + $newConfigLine .= ":".$item; + } + # Replace the line: + + $editor->ReplaceLine($id, $newConfigLine); + +} +# +# ReplaceConfigFile: +# Replaces a configuration file with the contents of a +# configuration file editor object. +# This is done by: +# - Copying the target file to .old +# - Writing the new file to .tmp +# - Moving -> +# This laborious process ensures that the system is never without +# a configuration file that's at least valid (even if the contents +# may be dated). +# Parameters: +# filename - Name of the file to modify... this is a full path. +# editor - Editor containing the file. +# +sub ReplaceConfigFile { + + my ($filename, $editor) = @_; + + CopyFile ($filename, $filename.".old"); + + my $contents = $editor->Get(); # Get the contents of the file. + + InstallFile($filename, $contents); +} +# +# +# Called to edit a configuration table file +# Parameters: +# request - The entire command/request sent by lonc or lonManage +# Return: +# The reply to send to the client. +# +sub EditFile { + my $request = shift; + + # Split the command into it's pieces: edit:filetype:script + + my ($request, $filetype, $script) = split(/:/, $request,3); # : in script + + # Check the pre-coditions for success: + + if($request != "edit") { # Something is amiss afoot alack. + return "error:edit request detected, but request != 'edit'\n"; + } + if( ($filetype ne "hosts") && + ($filetype ne "domain")) { + return "error:edit requested with invalid file specifier: $filetype \n"; + } + + # Split the edit script and check it's validity. + + my @scriptlines = split(/\n/, $script); # one line per element. + my $linecount = scalar(@scriptlines); + for(my $i = 0; $i < $linecount; $i++) { + chomp($scriptlines[$i]); + if(!isValidEditCommand($scriptlines[$i])) { + return "error:edit with bad script line: '$scriptlines[$i]' \n"; + } + } + + # Execute the edit operation. + # - Create a config file editor for the appropriate file and + # - execute each command in the script: + # + my $configfile = ConfigFileFromSelector($filetype); + if (!(defined $configfile)) { + return "refused\n"; + } + my $editor = ConfigFileEdit->new($configfile); + + for (my $i = 0; $i < $linecount; $i++) { + ApplyEdit($scriptlines[$i], $editor); + } + # If the file is the host file, ensure that our host is + # adjusted to have our ip: + # + if($filetype eq "host") { + AdjustOurHost($editor); + } + # Finally replace the current file with our file. + # + ReplaceConfigFile($configfile, $editor); + return "ok\n"; +} # # Convert an error return code from lcpasswd to a string value. # @@ -414,7 +749,8 @@ sub catchexception { my ($error)=@_; $SIG{'QUIT'}='DEFAULT'; $SIG{__DIE__}='DEFAULT'; - &logthis("CRITICAL: " + &status("Catching exception"); + &logthis("CRITICAL: " ."ABNORMAL EXIT. Child $$ for server $thisserver died through " ."a crash with this error msg->[$error]"); &logthis('Famous last words: '.$status.' - '.$lastlog); @@ -424,7 +760,8 @@ sub catchexception { } sub timeout { - &logthis("CRITICAL: TIME OUT ".$$.""); + &status("Handling Timeout"); + &logthis("CRITICAL: TIME OUT ".$$.""); &catchexception('Timeout'); } # -------------------------------- Set signal handlers to record abnormal exits @@ -476,37 +813,51 @@ $server = IO::Socket::INET->new(LocalPor # global variables my %children = (); # keys are current child process IDs -my $children = 0; # current number of children sub REAPER { # takes care of dead children $SIG{CHLD} = \&REAPER; - my $pid = wait; - if (defined($children{$pid})) { - &logthis("Child $pid died"); - $children --; - delete $children{$pid}; - } else { - &logthis("Unknown Child $pid died"); + &status("Handling child death"); + my $pid; + do { + $pid = waitpid(-1,&WNOHANG()); + if (defined($children{$pid})) { + &logthis("Child $pid died"); + delete($children{$pid}); + } elsif ($pid > 0) { + &logthis("Unknown Child $pid died"); + } + } while ( $pid > 0 ); + foreach my $child (keys(%children)) { + $pid = waitpid($child,&WNOHANG()); + if ($pid > 0) { + &logthis("Child $child - $pid looks like we missed it's death"); + delete($children{$pid}); + } } + &status("Finished Handling child death"); } sub HUNTSMAN { # signal handler for SIGINT + &status("Killing children (INT)"); local($SIG{CHLD}) = 'IGNORE'; # we're going to kill our children kill 'INT' => keys %children; &logthis("Free socket: ".shutdown($server,2)); # free up socket my $execdir=$perlvar{'lonDaemons'}; unlink("$execdir/logs/lond.pid"); - &logthis("CRITICAL: Shutting down"); + &logthis("CRITICAL: Shutting down"); + &status("Done killing children"); exit; # clean up with dignity } sub HUPSMAN { # signal handler for SIGHUP local($SIG{CHLD}) = 'IGNORE'; # we're going to kill our children + &status("Killing children for restart (HUP)"); kill 'INT' => keys %children; &logthis("Free socket: ".shutdown($server,2)); # free up socket - &logthis("CRITICAL: Restarting"); + &logthis("CRITICAL: Restarting"); my $execdir=$perlvar{'lonDaemons'}; unlink("$execdir/logs/lond.pid"); + &status("Restarting self (HUP)"); exec("$execdir/lond"); # here we go again } @@ -537,12 +888,14 @@ sub ReadHostTable { open (CONFIG,"$perlvar{'lonTabDir'}/hosts.tab") || die "Can't read host file"; while (my $configline=) { - 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; } + if (!($configline =~ /^\s*\#/)) { + 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); } @@ -568,6 +921,7 @@ sub ReloadApache { # now be honored. # sub UpdateHosts { + &status("Reload hosts.tab"); logthis(' Updating connections '); # # The %children hash has the set of IP's we currently have children @@ -592,10 +946,12 @@ sub UpdateHosts { } } ReloadApache; + &status("Finished reloading hosts.tab"); } sub checkchildren { + &status("Checking on the children (sending signals)"); &initnewstatus(); &logstatus(); &logthis('Going to check on the children'); @@ -610,6 +966,7 @@ sub checkchildren { sleep 5; $SIG{ALRM} = sub { die "timeout" }; $SIG{__DIE__} = 'DEFAULT'; + &status("Checking on the children (waiting for reports)"); foreach (sort keys %children) { unless (-e "$docdir/lon-status/londchld/$_.txt") { eval { @@ -626,7 +983,8 @@ sub checkchildren { } } $SIG{ALRM} = 'DEFAULT'; - $SIG{__DIE__} = \&catchcexception; + $SIG{__DIE__} = \&catchexception; + &status("Finished checking children"); } # --------------------------------------------------------------------- Logging @@ -648,20 +1006,40 @@ sub Debug { &logthis($message); } } + +# +# Sub to do replies to client.. this gives a hook for some +# debug tracing too: +# Parameters: +# fd - File open on client. +# reply - Text to send to client. +# request - Original request from client. +# +sub Reply { + + my ($fd, $reply, $request) = @_; + + print $fd $reply; + Debug("Request was $request Reply was $reply"); + +} # ------------------------------------------------------------------ Log status sub logstatus { + &status("Doing logging"); my $docdir=$perlvar{'lonDocRoot'}; { my $fh=IO::File->new(">>$docdir/lon-status/londstatus.txt"); - print $fh $$."\t".$currenthostid."\t".$status."\t".$lastlog."\n"; + print $fh $$."\t".$clientname."\t".$currenthostid."\t".$status."\t".$lastlog."\n"; $fh->close(); } + &status("Finished londstatus.txt"); { my $fh=IO::File->new(">$docdir/lon-status/londchld/$$.txt"); print $fh $status."\n".$lastlog."\n".time; $fh->close(); } + &status("Finished logging"); } sub initnewstatus { @@ -717,11 +1095,11 @@ sub reconlonc { kill USR1 => $loncpid; } else { &logthis( - "CRITICAL: " + "CRITICAL: " ."lonc at pid $loncpid not responding, giving up"); } } else { - &logthis('CRITICAL: lonc not running, giving up'); + &logthis('CRITICAL: lonc not running, giving up'); } } @@ -825,7 +1203,7 @@ my $execdir=$perlvar{'lonDaemons'}; open (PIDSAVE,">$execdir/logs/lond.pid"); print PIDSAVE "$$\n"; close(PIDSAVE); -&logthis("CRITICAL: ---------- Starting ----------"); +&logthis("CRITICAL: ---------- Starting ----------"); &status('Starting'); @@ -849,8 +1227,11 @@ ReadHostTable; # along the connection. while (1) { + &status('Starting accept'); $client = $server->accept() or next; + &status('Accepted '.$client.' off to spawn'); make_new_child($client); + &status('Finished spawning'); } sub make_new_child { @@ -859,7 +1240,9 @@ sub make_new_child { my $sigset; $client = shift; - &logthis("Attempting to start child"); + &status('Starting new child '.$client); + &logthis(' Attempting to start child ('.$client. + ")"); # block signal for fork $sigset = POSIX::SigSet->new(SIGINT); sigprocmask(SIG_BLOCK, $sigset) @@ -875,15 +1258,24 @@ sub make_new_child { # the pid hash. # my $caller = getpeername($client); - my ($port,$iaddr)=unpack_sockaddr_in($caller); - $clientip=inet_ntoa($iaddr); + my ($port,$iaddr); + if (defined($caller) && length($caller) > 0) { + ($port,$iaddr)=unpack_sockaddr_in($caller); + } else { + &logthis("Unable to determine who caller was, getpeername returned nothing"); + } + if (defined($iaddr)) { + $clientip=inet_ntoa($iaddr); + } else { + &logthis("Unable to determine clinetip"); + $clientip='Unavailable'; + } if ($pid) { # Parent records the child's birth and returns. sigprocmask(SIG_UNBLOCK, $sigset) or die "Can't unblock SIGINT for fork: $!\n"; $children{$pid} = $clientip; - $children++; &status('Started child '.$pid); return; } else { @@ -905,1269 +1297,1674 @@ sub make_new_child { &Authen::Krb5::init_context(); &Authen::Krb5::init_ets(); - &status('Accepted connection'); + &status('Accepted connection'); # ============================================================================= # do something with the connection # ----------------------------------------------------------------------------- # see if we know client and check for spoof IP by challenge - my $clientrec=($hostid{$clientip} ne undef); - &logthis( -"INFO: Connection, $clientip ($hostid{$clientip})" - ); - &status("Connecting $clientip ($hostid{$clientip})"); - my $clientok; - if ($clientrec) { - &status("Waiting for init from $clientip ($hostid{$clientip})"); - my $remotereq=<$client>; - $remotereq=~s/[^\w:]//g; - if ($remotereq =~ /^init/) { - &sethost("sethost:$perlvar{'lonHostID'}"); - my $challenge="$$".time; - print $client "$challenge\n"; - &status( - "Waiting for challenge reply from $clientip ($hostid{$clientip})"); - $remotereq=<$client>; - $remotereq=~s/\W//g; - if ($challenge eq $remotereq) { - $clientok=1; - print $client "ok\n"; - } else { - &logthis( - "WARNING: $clientip did not reply challenge"); - &status('No challenge reply '.$clientip); - } - } else { - &logthis( - "WARNING: " - ."$clientip failed to initialize: >$remotereq< "); - &status('No init '.$clientip); - } + ReadManagerTable; # May also be a manager!! + + my $clientrec=($hostid{$clientip} ne undef); + my $ismanager=($managers{$clientip} ne undef); + $clientname = "[unknonwn]"; + if($clientrec) { # Establish client type. + $ConnectionType = "client"; + $clientname = $hostid{$clientip}; + if($ismanager) { + $ConnectionType = "both"; + } + } else { + $ConnectionType = "manager"; + $clientname = $managers{$clientip}; + } + my $clientok; + if ($clientrec || $ismanager) { + &status("Waiting for init from $clientip $clientname"); + &logthis('INFO: Connection, '. + $clientip. + " ($clientname) connection type = $ConnectionType " ); + &status("Connecting $clientip ($clientname))"); + my $remotereq=<$client>; + $remotereq=~s/[^\w:]//g; + if ($remotereq =~ /^init/) { + &sethost("sethost:$perlvar{'lonHostID'}"); + my $challenge="$$".time; + print $client "$challenge\n"; + &status( + "Waiting for challenge reply from $clientip ($clientname)"); + $remotereq=<$client>; + $remotereq=~s/\W//g; + if ($challenge eq $remotereq) { + $clientok=1; + print $client "ok\n"; + } else { + &logthis( + "WARNING: $clientip did not reply challenge"); + &status('No challenge reply '.$clientip); + } } else { - &logthis( - "WARNING: Unknown client $clientip"); - &status('Hung up on '.$clientip); - } - if ($clientok) { + &logthis( + "WARNING: " + ."$clientip failed to initialize: >$remotereq< "); + &status('No init '.$clientip); + } + } else { + &logthis( + "WARNING: Unknown client $clientip"); + &status('Hung up on '.$clientip); + } + if ($clientok) { # ---------------- New known client connecting, could mean machine online again - - foreach my $id (keys(%hostip)) { - if ($hostip{$id} ne $clientip || - $hostip{$currenthostid} eq $clientip) { - # no need to try to do recon's to myself - next; - } - &reconlonc("$perlvar{'lonSockDir'}/$id"); + + foreach my $id (keys(%hostip)) { + if ($hostip{$id} ne $clientip || + $hostip{$currenthostid} eq $clientip) { + # no need to try to do recon's to myself + next; } - &logthis("Established connection: $hostid{$clientip}"); - &status('Will listen to '.$hostid{$clientip}); + &reconlonc("$perlvar{'lonSockDir'}/$id"); + } + &logthis("Established connection: $clientname"); + &status('Will listen to '.$clientname); # ------------------------------------------------------------ Process requests - while (my $userinput=<$client>) { + while (my $userinput=<$client>) { chomp($userinput); Debug("Request = $userinput\n"); - &status('Processing '.$hostid{$clientip}.': '.$userinput); + &status('Processing '.$clientname.': '.$userinput); my $wasenc=0; alarm(120); # ------------------------------------------------------------ See if encrypted if ($userinput =~ /^enc/) { - if ($cipher) { - my ($cmd,$cmdlength,$encinput)=split(/:/,$userinput); - $userinput=''; - for (my $encidx=0;$encidxdecrypt( - pack("H16",substr($encinput,$encidx,16)) - ); + if ($cipher) { + my ($cmd,$cmdlength,$encinput)=split(/:/,$userinput); + $userinput=''; + for (my $encidx=0;$encidxdecrypt( + pack("H16",substr($encinput,$encidx,16)) + ); + } + $userinput=substr($userinput,0,$cmdlength); + $wasenc=1; } - $userinput=substr($userinput,0,$cmdlength); - $wasenc=1; } - } - + # ------------------------------------------------------------- Normal commands # ------------------------------------------------------------------------ ping - if ($userinput =~ /^ping/) { - print $client "$currenthostid\n"; + if ($userinput =~ /^ping/) { # client only + if(isClient) { + print $client "$currenthostid\n"; + } else { + Reply($client, "refused\n", $userinput); + } # ------------------------------------------------------------------------ pong - }elsif ($userinput =~ /^pong/) { - my $reply=&reply("ping",$hostid{$clientip}); - print $client "$currenthostid:$reply\n"; + }elsif ($userinput =~ /^pong/) { # client only + if(isClient) { + my $reply=&reply("ping",$clientname); + print $client "$currenthostid:$reply\n"; + } else { + Reply($client, "refused\n", $userinput); + } # ------------------------------------------------------------------------ ekey - } elsif ($userinput =~ /^ekey/) { - my $buildkey=time.$$.int(rand 100000); - $buildkey=~tr/1-6/A-F/; - $buildkey=int(rand 100000).$buildkey.int(rand 100000); - my $key=$currenthostid.$hostid{$clientip}; - $key=~tr/a-z/A-Z/; - $key=~tr/G-P/0-9/; - $key=~tr/Q-Z/0-9/; - $key=$key.$buildkey.$key.$buildkey.$key.$buildkey; - $key=substr($key,0,32); - my $cipherkey=pack("H32",$key); - $cipher=new IDEA $cipherkey; - print $client "$buildkey\n"; + } elsif ($userinput =~ /^ekey/) { # ok for both clients & mgrs + my $buildkey=time.$$.int(rand 100000); + $buildkey=~tr/1-6/A-F/; + $buildkey=int(rand 100000).$buildkey.int(rand 100000); + my $key=$currenthostid.$clientname; + $key=~tr/a-z/A-Z/; + $key=~tr/G-P/0-9/; + $key=~tr/Q-Z/0-9/; + $key=$key.$buildkey.$key.$buildkey.$key.$buildkey; + $key=substr($key,0,32); + my $cipherkey=pack("H32",$key); + $cipher=new IDEA $cipherkey; + print $client "$buildkey\n"; # ------------------------------------------------------------------------ load - } elsif ($userinput =~ /^load/) { - my $loadavg; - { - my $loadfile=IO::File->new('/proc/loadavg'); - $loadavg=<$loadfile>; - } - $loadavg =~ s/\s.*//g; - my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; - print $client "$loadpercent\n"; + } elsif ($userinput =~ /^load/) { # client only + if (isClient) { + my $loadavg; + { + my $loadfile=IO::File->new('/proc/loadavg'); + $loadavg=<$loadfile>; + } + $loadavg =~ s/\s.*//g; + my $loadpercent=100*$loadavg/$perlvar{'lonLoadLim'}; + print $client "$loadpercent\n"; + } else { + Reply($client, "refused\n", $userinput); + + } # -------------------------------------------------------------------- userload - } elsif ($userinput =~ /^userload/) { - my $userloadpercent=&userload(); - print $client "$userloadpercent\n"; - + } elsif ($userinput =~ /^userload/) { # client only + if(isClient) { + my $userloadpercent=&userload(); + print $client "$userloadpercent\n"; + } else { + Reply($client, "refused\n", $userinput); + + } # # Transactions requiring encryption: # # ----------------------------------------------------------------- currentauth - } elsif ($userinput =~ /^currentauth/) { - if ($wasenc==1) { - my ($cmd,$udom,$uname)=split(/:/,$userinput); - my $result = GetAuthType($udom, $uname); - if($result eq "nouser") { - print $client "unknown_user\n"; - } - else { - print $client "$result\n" - } - } else { - print $client "refused\n"; - } + } elsif ($userinput =~ /^currentauth/) { + if (($wasenc==1) && isClient) { # Encoded & client only. + my ($cmd,$udom,$uname)=split(/:/,$userinput); + my $result = GetAuthType($udom, $uname); + if($result eq "nouser") { + print $client "unknown_user\n"; + } + else { + print $client "$result\n" + } + } else { + Reply($client, "refused\n", $userinput); + + } #--------------------------------------------------------------------- pushfile - } elsif($userinput =~ /^pushfile/) { - 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"; - } + } elsif($userinput =~ /^pushfile/) { # encoded & manager. + if(($wasenc == 1) && isManager) { + my $cert = GetCertificate($userinput); + if(ValidManager($cert)) { + my $reply = PushFile($userinput); + print $client "$reply\n"; + } else { + print $client "refused\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } #--------------------------------------------------------------------- reinit - } elsif($userinput =~ /^reinit/) { - 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"; - } + } elsif($userinput =~ /^reinit/) { # Encoded and manager + if (($wasenc == 1) && isManager) { + my $cert = GetCertificate($userinput); + if(ValidManager($cert)) { + chomp($userinput); + my $reply = ReinitProcess($userinput); + print $client "$reply\n"; + } else { + print $client "refused\n"; + } + } else { + Reply($client, "refused\n", $userinput); + } +#------------------------------------------------------------------------- edit + } elsif ($userinput =~ /^edit/) { # encoded and manager: + if(($wasenc ==1) && (isManager)) { + my $cert = GetCertificate($userinput); + if(ValidManager($cert)) { + my($command, $filetype, $script) = split(/:/, $userinput); + if (($filetype eq "hosts") || ($filetype eq "domain")) { + if($script ne "") { + Reply($client, EditFile($userinput)); + } else { + Reply($client,"refused\n",$userinput); + } + } else { + Reply($client,"refused\n",$userinput); + } + } else { + Reply($client,"refused\n",$userinput); + } + } else { + Reply($client,"refused\n",$userinput); + } # ------------------------------------------------------------------------ auth - } elsif ($userinput =~ /^auth/) { - if ($wasenc==1) { - my ($cmd,$udom,$uname,$upass)=split(/:/,$userinput); - chomp($upass); - $upass=unescape($upass); - my $proname=propath($udom,$uname); - my $passfilename="$proname/passwd"; - if (-e $passfilename) { - my $pf = IO::File->new($passfilename); - my $realpasswd=<$pf>; - chomp($realpasswd); - my ($howpwd,$contentpwd)=split(/:/,$realpasswd); - my $pwdcorrect=0; - if ($howpwd eq 'internal') { - &Debug("Internal auth"); - $pwdcorrect= - (crypt($upass,$contentpwd) eq $contentpwd); - } elsif ($howpwd eq 'unix') { - &Debug("Unix auth"); - if((getpwnam($uname))[1] eq "") { #no such user! - $pwdcorrect = 0; - } else { - $contentpwd=(getpwnam($uname))[1]; - my $pwauth_path="/usr/local/sbin/pwauth"; - unless ($contentpwd eq 'x') { - $pwdcorrect= - (crypt($upass,$contentpwd) eq - $contentpwd); - } - - elsif (-e $pwauth_path) { - open PWAUTH, "|$pwauth_path" or - die "Cannot invoke authentication"; - print PWAUTH "$uname\n$upass\n"; - close PWAUTH; - $pwdcorrect=!$?; - } - } - } elsif ($howpwd eq 'krb4') { - my $null=pack("C",0); - unless ($upass=~/$null/) { - my $krb4_error = &Authen::Krb4::get_pw_in_tkt - ($uname,"",$contentpwd,'krbtgt', - $contentpwd,1,$upass); - if (!$krb4_error) { - $pwdcorrect = 1; - } else { - $pwdcorrect=0; - # log error if it is not a bad password - if ($krb4_error != 62) { - &logthis('krb4:'.$uname.','.$contentpwd.','. - &Authen::Krb4::get_err_txt($Authen::Krb4::error)); - } - } - } - } elsif ($howpwd eq 'krb5') { - my $null=pack("C",0); - unless ($upass=~/$null/) { - my $krbclient=&Authen::Krb5::parse_name($uname.'@'.$contentpwd); - my $krbservice="krbtgt/".$contentpwd."\@".$contentpwd; - my $krbserver=&Authen::Krb5::parse_name($krbservice); - my $credentials=&Authen::Krb5::cc_default(); - $credentials->initialize($krbclient); - my $krbreturn = - &Authen::Krb5::get_in_tkt_with_password( - $krbclient,$krbserver,$upass,$credentials); + } elsif ($userinput =~ /^auth/) { # Encoded and client only. + if (($wasenc==1) && isClient) { + my ($cmd,$udom,$uname,$upass)=split(/:/,$userinput); + chomp($upass); + $upass=unescape($upass); + my $proname=propath($udom,$uname); + my $passfilename="$proname/passwd"; + if (-e $passfilename) { + my $pf = IO::File->new($passfilename); + my $realpasswd=<$pf>; + chomp($realpasswd); + my ($howpwd,$contentpwd)=split(/:/,$realpasswd); + my $pwdcorrect=0; + if ($howpwd eq 'internal') { + &Debug("Internal auth"); + $pwdcorrect= + (crypt($upass,$contentpwd) eq $contentpwd); + } elsif ($howpwd eq 'unix') { + &Debug("Unix auth"); + if((getpwnam($uname))[1] eq "") { #no such user! + $pwdcorrect = 0; + } else { + $contentpwd=(getpwnam($uname))[1]; + my $pwauth_path="/usr/local/sbin/pwauth"; + unless ($contentpwd eq 'x') { + $pwdcorrect= + (crypt($upass,$contentpwd) eq + $contentpwd); + } + + elsif (-e $pwauth_path) { + open PWAUTH, "|$pwauth_path" or + die "Cannot invoke authentication"; + print PWAUTH "$uname\n$upass\n"; + close PWAUTH; + $pwdcorrect=!$?; + } + } + } elsif ($howpwd eq 'krb4') { + my $null=pack("C",0); + unless ($upass=~/$null/) { + my $krb4_error = &Authen::Krb4::get_pw_in_tkt + ($uname,"",$contentpwd,'krbtgt', + $contentpwd,1,$upass); + if (!$krb4_error) { + $pwdcorrect = 1; + } else { + $pwdcorrect=0; + # log error if it is not a bad password + if ($krb4_error != 62) { + &logthis('krb4:'.$uname.','. + &Authen::Krb4::get_err_txt($Authen::Krb4::error)); + } + } + } + } elsif ($howpwd eq 'krb5') { + my $null=pack("C",0); + unless ($upass=~/$null/) { + my $krbclient=&Authen::Krb5::parse_name($uname.'@'.$contentpwd); + my $krbservice="krbtgt/".$contentpwd."\@".$contentpwd; + my $krbserver=&Authen::Krb5::parse_name($krbservice); + my $credentials=&Authen::Krb5::cc_default(); + $credentials->initialize($krbclient); + my $krbreturn = + &Authen::Krb5::get_in_tkt_with_password( + $krbclient,$krbserver,$upass,$credentials); # unless ($krbreturn) { # &logthis("Krb5 Error: ". # &Authen::Krb5::error()); # } - $pwdcorrect = ($krbreturn == 1); - } else { $pwdcorrect=0; } - } elsif ($howpwd eq 'localauth') { - $pwdcorrect=&localauth::localauth($uname,$upass, - $contentpwd); - } - if ($pwdcorrect) { - print $client "authorized\n"; - } else { - print $client "non_authorized\n"; - } - } else { - print $client "unknown_user\n"; - } - } else { - print $client "refused\n"; - } + $pwdcorrect = ($krbreturn == 1); + } else { $pwdcorrect=0; } + } elsif ($howpwd eq 'localauth') { + $pwdcorrect=&localauth::localauth($uname,$upass, + $contentpwd); + } + if ($pwdcorrect) { + print $client "authorized\n"; + } else { + print $client "non_authorized\n"; + } + } else { + print $client "unknown_user\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ---------------------------------------------------------------------- passwd - } elsif ($userinput =~ /^passwd/) { - if ($wasenc==1) { - my - ($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput); - chomp($npass); - $upass=&unescape($upass); - $npass=&unescape($npass); - &Debug("Trying to change password for $uname"); - my $proname=propath($udom,$uname); - my $passfilename="$proname/passwd"; - if (-e $passfilename) { - my $realpasswd; - { my $pf = IO::File->new($passfilename); - $realpasswd=<$pf>; } - chomp($realpasswd); - my ($howpwd,$contentpwd)=split(/:/,$realpasswd); - if ($howpwd eq 'internal') { - &Debug("internal auth"); - if (crypt($upass,$contentpwd) eq $contentpwd) { - my $salt=time; - $salt=substr($salt,6,2); - my $ncpass=crypt($npass,$salt); - { - my $pf; - if ($pf = IO::File->new(">$passfilename")) { - 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 { - print $client "non_authorized\n"; - } - } elsif ($howpwd eq 'unix') { - # Unix means we have to access /etc/password - # one way or another. - # First: Make sure the current password is - # correct - &Debug("auth is unix"); - $contentpwd=(getpwnam($uname))[1]; - my $pwdcorrect = "0"; - my $pwauth_path="/usr/local/sbin/pwauth"; - unless ($contentpwd eq 'x') { - $pwdcorrect= - (crypt($upass,$contentpwd) eq $contentpwd); - } elsif (-e $pwauth_path) { - open PWAUTH, "|$pwauth_path" or - die "Cannot invoke authentication"; - print PWAUTH "$uname\n$upass\n"; - close PWAUTH; - &Debug("exited pwauth with $? ($uname,$upass) "); - $pwdcorrect=($? == 0); - } - if ($pwdcorrect) { - 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: ". - &lcpasswdstrerror($?)); - print $client "$result\n"; - } else { - print $client "non_authorized\n"; - } - } else { - print $client "auth_mode_error\n"; - } - } else { - print $client "unknown_user\n"; - } - } else { - print $client "refused\n"; - } + } elsif ($userinput =~ /^passwd/) { # encoded and client + if (($wasenc==1) && isClient) { + my + ($cmd,$udom,$uname,$upass,$npass)=split(/:/,$userinput); + chomp($npass); + $upass=&unescape($upass); + $npass=&unescape($npass); + &Debug("Trying to change password for $uname"); + my $proname=propath($udom,$uname); + my $passfilename="$proname/passwd"; + if (-e $passfilename) { + my $realpasswd; + { my $pf = IO::File->new($passfilename); + $realpasswd=<$pf>; } + chomp($realpasswd); + my ($howpwd,$contentpwd)=split(/:/,$realpasswd); + if ($howpwd eq 'internal') { + &Debug("internal auth"); + if (crypt($upass,$contentpwd) eq $contentpwd) { + my $salt=time; + $salt=substr($salt,6,2); + my $ncpass=crypt($npass,$salt); + { + my $pf; + if ($pf = IO::File->new(">$passfilename")) { + 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 { + print $client "non_authorized\n"; + } + } elsif ($howpwd eq 'unix') { + # Unix means we have to access /etc/password + # one way or another. + # First: Make sure the current password is + # correct + &Debug("auth is unix"); + $contentpwd=(getpwnam($uname))[1]; + my $pwdcorrect = "0"; + my $pwauth_path="/usr/local/sbin/pwauth"; + unless ($contentpwd eq 'x') { + $pwdcorrect= + (crypt($upass,$contentpwd) eq $contentpwd); + } elsif (-e $pwauth_path) { + open PWAUTH, "|$pwauth_path" or + die "Cannot invoke authentication"; + print PWAUTH "$uname\n$upass\n"; + close PWAUTH; + &Debug("exited pwauth with $? ($uname,$upass) "); + $pwdcorrect=($? == 0); + } + if ($pwdcorrect) { + 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: ". + &lcpasswdstrerror($?)); + print $client "$result\n"; + } else { + print $client "non_authorized\n"; + } + } else { + print $client "auth_mode_error\n"; + } + } else { + print $client "unknown_user\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # -------------------------------------------------------------------- makeuser - } elsif ($userinput =~ /^makeuser/) { - &Debug("Make user received"); - my $oldumask=umask(0077); - if ($wasenc==1) { - my - ($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); - &Debug("cmd =".$cmd." $udom =".$udom. - " uname=".$uname); - chomp($npass); - $npass=&unescape($npass); - my $proname=propath($udom,$uname); - my $passfilename="$proname/passwd"; - &Debug("Password file created will be:". - $passfilename); - if (-e $passfilename) { - print $client "already_exists\n"; - } elsif ($udom ne $currentdomainid) { - print $client "not_right_domain\n"; - } else { - my @fpparts=split(/\//,$proname); - my $fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2]; - my $fperror=''; - for (my $i=3;$i<=$#fpparts;$i++) { - $fpnow.='/'.$fpparts[$i]; - unless (-e $fpnow) { - unless (mkdir($fpnow,0777)) { - $fperror="error: ".($!+0) - ." mkdir failed while attempting " - ."makeuser\n"; - } - } - } - unless ($fperror) { - my $result=&make_passwd_file($uname, $umode,$npass, - $passfilename); - print $client $result; - } else { - print $client "$fperror\n"; - } - } - } else { - print $client "refused\n"; - } - umask($oldumask); + } elsif ($userinput =~ /^makeuser/) { # encoded and client. + &Debug("Make user received"); + my $oldumask=umask(0077); + if (($wasenc==1) && isClient) { + my + ($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); + &Debug("cmd =".$cmd." $udom =".$udom. + " uname=".$uname); + chomp($npass); + $npass=&unescape($npass); + my $proname=propath($udom,$uname); + my $passfilename="$proname/passwd"; + &Debug("Password file created will be:". + $passfilename); + if (-e $passfilename) { + print $client "already_exists\n"; + } elsif ($udom ne $currentdomainid) { + print $client "not_right_domain\n"; + } else { + my @fpparts=split(/\//,$proname); + my $fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2]; + my $fperror=''; + for (my $i=3;$i<=$#fpparts;$i++) { + $fpnow.='/'.$fpparts[$i]; + unless (-e $fpnow) { + unless (mkdir($fpnow,0777)) { + $fperror="error: ".($!+0) + ." mkdir failed while attempting " + ."makeuser"; + } + } + } + unless ($fperror) { + my $result=&make_passwd_file($uname, $umode,$npass, + $passfilename); + print $client $result; + } else { + print $client "$fperror\n"; + } + } + } else { + Reply($client, "refused\n", $userinput); + + } + umask($oldumask); # -------------------------------------------------------------- changeuserauth - } elsif ($userinput =~ /^changeuserauth/) { - &Debug("Changing authorization"); - if ($wasenc==1) { - my - ($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); - chomp($npass); - &Debug("cmd = ".$cmd." domain= ".$udom. - "uname =".$uname." umode= ".$umode); - $npass=&unescape($npass); - my $proname=&propath($udom,$uname); - my $passfilename="$proname/passwd"; - if ($udom ne $currentdomainid) { - print $client "not_right_domain\n"; - } else { - my $result=&make_passwd_file($uname, $umode,$npass, - $passfilename); - print $client $result; - } - } else { - print $client "refused\n"; - } + } elsif ($userinput =~ /^changeuserauth/) { # encoded & client + &Debug("Changing authorization"); + if (($wasenc==1) && isClient) { + my + ($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); + chomp($npass); + &Debug("cmd = ".$cmd." domain= ".$udom. + "uname =".$uname." umode= ".$umode); + $npass=&unescape($npass); + my $proname=&propath($udom,$uname); + my $passfilename="$proname/passwd"; + if ($udom ne $currentdomainid) { + print $client "not_right_domain\n"; + } else { + my $result=&make_passwd_file($uname, $umode,$npass, + $passfilename); + print $client $result; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------------ home - } elsif ($userinput =~ /^home/) { - my ($cmd,$udom,$uname)=split(/:/,$userinput); - chomp($uname); - my $proname=propath($udom,$uname); - if (-e $proname) { - print $client "found\n"; - } else { - print $client "not_found\n"; - } + } elsif ($userinput =~ /^home/) { # client clear or encoded + if(isClient) { + my ($cmd,$udom,$uname)=split(/:/,$userinput); + chomp($uname); + my $proname=propath($udom,$uname); + if (-e $proname) { + print $client "found\n"; + } else { + print $client "not_found\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ---------------------------------------------------------------------- update - } elsif ($userinput =~ /^update/) { - my ($cmd,$fname)=split(/:/,$userinput); - my $ownership=ishome($fname); - if ($ownership eq 'not_owner') { - if (-e $fname) { - my ($dev,$ino,$mode,$nlink, - $uid,$gid,$rdev,$size, - $atime,$mtime,$ctime, - $blksize,$blocks)=stat($fname); - my $now=time; - my $since=$now-$atime; - if ($since>$perlvar{'lonExpire'}) { - my $reply= - &reply("unsub:$fname","$hostid{$clientip}"); - unlink("$fname"); - } else { - my $transname="$fname.in.transfer"; - my $remoteurl= - reply("sub:$fname","$hostid{$clientip}"); - my $response; - { - my $ua=new LWP::UserAgent; - my $request=new HTTP::Request('GET',"$remoteurl"); - $response=$ua->request($request,$transname); - } - if ($response->is_error()) { - unlink($transname); - my $message=$response->status_line; - &logthis( - "LWP GET: $message for $fname ($remoteurl)"); - } else { - if ($remoteurl!~/\.meta$/) { - my $ua=new LWP::UserAgent; - my $mrequest= - new HTTP::Request('GET',$remoteurl.'.meta'); - my $mresponse= - $ua->request($mrequest,$fname.'.meta'); - if ($mresponse->is_error()) { - unlink($fname.'.meta'); - } - } - rename($transname,$fname); - } - } - print $client "ok\n"; - } else { - print $client "not_found\n"; - } - } else { - print $client "rejected\n"; - } + } elsif ($userinput =~ /^update/) { # client clear or encoded. + if(isClient) { + my ($cmd,$fname)=split(/:/,$userinput); + my $ownership=ishome($fname); + if ($ownership eq 'not_owner') { + if (-e $fname) { + my ($dev,$ino,$mode,$nlink, + $uid,$gid,$rdev,$size, + $atime,$mtime,$ctime, + $blksize,$blocks)=stat($fname); + my $now=time; + my $since=$now-$atime; + if ($since>$perlvar{'lonExpire'}) { + my $reply= + &reply("unsub:$fname","$clientname"); + unlink("$fname"); + } else { + my $transname="$fname.in.transfer"; + my $remoteurl= + &reply("sub:$fname","$clientname"); + my $response; + { + my $ua=new LWP::UserAgent; + my $request=new HTTP::Request('GET',"$remoteurl"); + $response=$ua->request($request,$transname); + } + if ($response->is_error()) { + unlink($transname); + my $message=$response->status_line; + &logthis( + "LWP GET: $message for $fname ($remoteurl)"); + } else { + if ($remoteurl!~/\.meta$/) { + my $ua=new LWP::UserAgent; + my $mrequest= + new HTTP::Request('GET',$remoteurl.'.meta'); + my $mresponse= + $ua->request($mrequest,$fname.'.meta'); + if ($mresponse->is_error()) { + unlink($fname.'.meta'); + } + } + rename($transname,$fname); + } + } + print $client "ok\n"; + } else { + print $client "not_found\n"; + } + } else { + print $client "rejected\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # -------------------------------------- fetch a user file from a remote server - } elsif ($userinput =~ /^fetchuserfile/) { - my ($cmd,$fname)=split(/:/,$userinput); - my ($udom,$uname,$ufile)=split(/\//,$fname); - my $udir=propath($udom,$uname).'/userfiles'; - unless (-e $udir) { mkdir($udir,0770); } - if (-e $udir) { - $ufile=~s/^[\.\~]+//; - $ufile=~s/\///g; - my $destname=$udir.'/'.$ufile; - my $transname=$udir.'/'.$ufile.'.in.transit'; - my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; - my $response; - { - my $ua=new LWP::UserAgent; - my $request=new HTTP::Request('GET',"$remoteurl"); - $response=$ua->request($request,$transname); - } - if ($response->is_error()) { - unlink($transname); - my $message=$response->status_line; - &logthis("LWP GET: $message for $fname ($remoteurl)"); - print $client "failed\n"; - } else { - if (!rename($transname,$destname)) { - &logthis("Unable to move $transname to $destname"); - unlink($transname); - print $client "failed\n"; - } else { - print $client "ok\n"; - } - } - } else { - print $client "not_home\n"; - } + } elsif ($userinput =~ /^fetchuserfile/) { # Client clear or enc. + if(isClient) { + my ($cmd,$fname)=split(/:/,$userinput); + my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); + my $udir=propath($udom,$uname).'/userfiles'; + unless (-e $udir) { mkdir($udir,0770); } + if (-e $udir) { + $ufile=~s/^[\.\~]+//; + my $path = $udir; + if ($ufile =~m|(.+)/([^/]+)$|) { + my @parts=split('/',$1); + foreach my $part (@parts) { + $path .= '/'.$part; + if ((-e $path)!=1) { + mkdir($path,0770); + } + } + } + my $destname=$udir.'/'.$ufile; + my $transname=$udir.'/'.$ufile.'.in.transit'; + my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; + my $response; + { + my $ua=new LWP::UserAgent; + my $request=new HTTP::Request('GET',"$remoteurl"); + $response=$ua->request($request,$transname); + } + if ($response->is_error()) { + unlink($transname); + my $message=$response->status_line; + &logthis("LWP GET: $message for $fname ($remoteurl)"); + print $client "failed\n"; + } else { + if (!rename($transname,$destname)) { + &logthis("Unable to move $transname to $destname"); + unlink($transname); + print $client "failed\n"; + } else { + print $client "ok\n"; + } + } + } else { + print $client "not_home\n"; + } + } else { + Reply($client, "refused\n", $userinput); + } +# --------------------------------------------------------- remove a user file + } elsif ($userinput =~ /^removeuserfile/) { # Client clear or enc. + if(isClient) { + my ($cmd,$fname)=split(/:/,$userinput); + my ($udom,$uname,$ufile) = ($fname =~ m|^([^/]+)/([^/]+)/(.+)$|); + &logthis("$udom - $uname - $ufile"); + if ($ufile =~m|/\.\./|) { + # any files paths with /../ in them refuse + # to deal with + print $client "refused\n"; + } else { + my $udir=propath($udom,$uname); + if (-e $udir) { + my $file=$udir.'/userfiles/'.$ufile; + if (-e $file) { + unlink($file); + if (-e $file) { + print $client "failed\n"; + } else { + print $client "ok\n"; + } + } else { + print $client "not_found\n"; + } + } else { + print $client "not_home\n"; + } + } + } else { + Reply($client, "refused\n", $userinput); + } # ------------------------------------------ authenticate access to a user file - } elsif ($userinput =~ /^tokenauthuserfile/) { - my ($cmd,$fname,$session)=split(/:/,$userinput); - chomp($session); - my $reply='non_auth'; - if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'. - $session.'.id')) { - while (my $line=) { - if ($line=~/userfile\.$fname\=/) { $reply='ok'; } - } - close(ENVIN); - print $client $reply."\n"; - } else { - print $client "invalid_token\n"; - } + } elsif ($userinput =~ /^tokenauthuserfile/) { # Client only + if(isClient) { + my ($cmd,$fname,$session)=split(/:/,$userinput); + chomp($session); + my $reply='non_auth'; + if (open(ENVIN,$perlvar{'lonIDsDir'}.'/'. + $session.'.id')) { + while (my $line=) { + if ($line=~ m|userfile\.\Q$fname\E\=|) { $reply='ok'; } + } + close(ENVIN); + print $client $reply."\n"; + } else { + print $client "invalid_token\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ----------------------------------------------------------------- unsubscribe - } elsif ($userinput =~ /^unsub/) { - my ($cmd,$fname)=split(/:/,$userinput); - if (-e $fname) { - print $client &unsub($client,$fname,$clientip); - } else { - print $client "not_found\n"; - } + } elsif ($userinput =~ /^unsub/) { + if(isClient) { + my ($cmd,$fname)=split(/:/,$userinput); + if (-e $fname) { + print $client &unsub($fname,$clientip); + } else { + print $client "not_found\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------- subscribe - } elsif ($userinput =~ /^sub/) { - print $client &subscribe($userinput,$clientip); + } elsif ($userinput =~ /^sub/) { + if(isClient) { + print $client &subscribe($userinput,$clientip); + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------- current version - } elsif ($userinput =~ /^currentversion/) { - my ($cmd,$fname)=split(/:/,$userinput); - print $client ¤tversion($fname)."\n"; + } elsif ($userinput =~ /^currentversion/) { + if(isClient) { + my ($cmd,$fname)=split(/:/,$userinput); + print $client ¤tversion($fname)."\n"; + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------------- log - } elsif ($userinput =~ /^log/) { - my ($cmd,$udom,$uname,$what)=split(/:/,$userinput); - chomp($what); - my $proname=propath($udom,$uname); - my $now=time; - { - my $hfh; - if ($hfh=IO::File->new(">>$proname/activity.log")) { - print $hfh "$now:$hostid{$clientip}:$what\n"; - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ." IO::File->new Failed " - ."while attempting log\n"; - } - } + } elsif ($userinput =~ /^log/) { + if(isClient) { + my ($cmd,$udom,$uname,$what)=split(/:/,$userinput); + chomp($what); + my $proname=propath($udom,$uname); + my $now=time; + { + my $hfh; + if ($hfh=IO::File->new(">>$proname/activity.log")) { + print $hfh "$now:$clientname:$what\n"; + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." IO::File->new Failed " + ."while attempting log\n"; + } + } + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------------- put - } elsif ($userinput =~ /^put/) { - my ($cmd,$udom,$uname,$namespace,$what) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - if ($namespace ne 'roles') { - chomp($what); - my $proname=propath($udom,$uname); - my $now=time; - unless ($namespace=~/^nohist\_/) { - my $hfh; - if ( - $hfh=IO::File->new(">>$proname/$namespace.hist") - ) { print $hfh "P:$now:$what\n"; } - } - my @pairs=split(/\&/,$what); - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { - foreach my $pair (@pairs) { - my ($key,$value)=split(/=/,$pair); - $hash{$key}=$value; - } - if (untie(%hash)) { - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) failed ". - "while attempting put\n"; - } - } else { - print $client "error: ".($!) - ." tie(GDBM) Failed ". - "while attempting put\n"; - } - } else { - print $client "refused\n"; - } + } elsif ($userinput =~ /^put/) { + if(isClient) { + my ($cmd,$udom,$uname,$namespace,$what) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + if ($namespace ne 'roles') { + chomp($what); + my $proname=propath($udom,$uname); + my $now=time; + unless ($namespace=~/^nohist\_/) { + my $hfh; + if ( + $hfh=IO::File->new(">>$proname/$namespace.hist") + ) { print $hfh "P:$now:$what\n"; } + } + my @pairs=split(/\&/,$what); + my %hash; + if (tie(%hash,'GDBM_File', + "$proname/$namespace.db", + &GDBM_WRCREAT(),0640)) { + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair); + $hash{$key}=$value; + } + if (untie(%hash)) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) failed ". + "while attempting put\n"; + } + } else { + print $client "error: ".($!) + ." tie(GDBM) Failed ". + "while attempting put\n"; + } + } else { + print $client "refused\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } +# ------------------------------------------------------------------- inc + } elsif ($userinput =~ /^inc:/) { + if(isClient) { + my ($cmd,$udom,$uname,$namespace,$what) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + if ($namespace ne 'roles') { + chomp($what); + my $proname=propath($udom,$uname); + my $now=time; + unless ($namespace=~/^nohist\_/) { + my $hfh; + if ( + $hfh=IO::File->new(">>$proname/$namespace.hist") + ) { print $hfh "P:$now:$what\n"; } + } + my @pairs=split(/\&/,$what); + my %hash; + if (tie(%hash,'GDBM_File', + "$proname/$namespace.db", + &GDBM_WRCREAT(),0640)) { + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair); + # We could check that we have a number... + if (! defined($value) || $value eq '') { + $value = 1; + } + $hash{$key}+=$value; + } + if (untie(%hash)) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) failed ". + "while attempting inc\n"; + } + } else { + print $client "error: ".($!) + ." tie(GDBM) Failed ". + "while attempting inc\n"; + } + } else { + print $client "refused\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # -------------------------------------------------------------------- rolesput - } elsif ($userinput =~ /^rolesput/) { - &Debug("rolesput"); - if ($wasenc==1) { - my ($cmd,$exedom,$exeuser,$udom,$uname,$what) - =split(/:/,$userinput); - &Debug("cmd = ".$cmd." exedom= ".$exedom. - "user = ".$exeuser." udom=".$udom. - "what = ".$what); - my $namespace='roles'; - chomp($what); - my $proname=propath($udom,$uname); - my $now=time; - { - my $hfh; - if ( - $hfh=IO::File->new(">>$proname/$namespace.hist") - ) { - print $hfh "P:$now:$exedom:$exeuser:$what\n"; - } - } - my @pairs=split(/\&/,$what); - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { - foreach my $pair (@pairs) { - my ($key,$value)=split(/=/,$pair); - &ManagePermissions($key, $udom, $uname, - &GetAuthType( $udom, - $uname)); - $hash{$key}=$value; - } - if (untie(%hash)) { - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting rolesput\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting rolesput\n"; - } - } else { - print $client "refused\n"; - } + } elsif ($userinput =~ /^rolesput/) { + if(isClient) { + &Debug("rolesput"); + if ($wasenc==1) { + my ($cmd,$exedom,$exeuser,$udom,$uname,$what) + =split(/:/,$userinput); + &Debug("cmd = ".$cmd." exedom= ".$exedom. + "user = ".$exeuser." udom=".$udom. + "what = ".$what); + my $namespace='roles'; + chomp($what); + my $proname=propath($udom,$uname); + my $now=time; + { + my $hfh; + if ( + $hfh=IO::File->new(">>$proname/$namespace.hist") + ) { + print $hfh "P:$now:$exedom:$exeuser:$what\n"; + } + } + my @pairs=split(/\&/,$what); + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair); + &ManagePermissions($key, $udom, $uname, + &GetAuthType( $udom, + $uname)); + $hash{$key}=$value; + } + if (untie(%hash)) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting rolesput\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting rolesput\n"; + } + } else { + print $client "refused\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # -------------------------------------------------------------------- rolesdel - } elsif ($userinput =~ /^rolesdel/) { - &Debug("rolesdel"); - if ($wasenc==1) { - my ($cmd,$exedom,$exeuser,$udom,$uname,$what) - =split(/:/,$userinput); - &Debug("cmd = ".$cmd." exedom= ".$exedom. - "user = ".$exeuser." udom=".$udom. - "what = ".$what); - my $namespace='roles'; - chomp($what); - my $proname=propath($udom,$uname); - my $now=time; - { - my $hfh; - if ( - $hfh=IO::File->new(">>$proname/$namespace.hist") - ) { - print $hfh "D:$now:$exedom:$exeuser:$what\n"; - } - } - my @rolekeys=split(/\&/,$what); - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { - foreach my $key (@rolekeys) { - delete $hash{$key}; - } - if (untie(%hash)) { - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting rolesdel\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting rolesdel\n"; - } - } else { - print $client "refused\n"; - } + } elsif ($userinput =~ /^rolesdel/) { + if(isClient) { + &Debug("rolesdel"); + if ($wasenc==1) { + my ($cmd,$exedom,$exeuser,$udom,$uname,$what) + =split(/:/,$userinput); + &Debug("cmd = ".$cmd." exedom= ".$exedom. + "user = ".$exeuser." udom=".$udom. + "what = ".$what); + my $namespace='roles'; + chomp($what); + my $proname=propath($udom,$uname); + my $now=time; + { + my $hfh; + if ( + $hfh=IO::File->new(">>$proname/$namespace.hist") + ) { + print $hfh "D:$now:$exedom:$exeuser:$what\n"; + } + } + my @rolekeys=split(/\&/,$what); + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { + foreach my $key (@rolekeys) { + delete $hash{$key}; + } + if (untie(%hash)) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting rolesdel\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting rolesdel\n"; + } + } else { + print $client "refused\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------------- get - } elsif ($userinput =~ /^get/) { - my ($cmd,$udom,$uname,$namespace,$what) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - chomp($what); - my @queries=split(/\&/,$what); - my $proname=propath($udom,$uname); - my $qresult=''; - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { - for (my $i=0;$i<=$#queries;$i++) { - $qresult.="$hash{$queries[$i]}&"; - } - if (untie(%hash)) { - $qresult=~s/\&$//; - print $client "$qresult\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting get\n"; - } - } else { - if ($!+0 == 2) { - print $client "error:No such file or ". - "GDBM reported bad block error\n"; - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting get\n"; - } - } + } elsif ($userinput =~ /^get/) { + if(isClient) { + my ($cmd,$udom,$uname,$namespace,$what) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + chomp($what); + my @queries=split(/\&/,$what); + my $proname=propath($udom,$uname); + my $qresult=''; + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { + for (my $i=0;$i<=$#queries;$i++) { + $qresult.="$hash{$queries[$i]}&"; + } + if (untie(%hash)) { + $qresult=~s/\&$//; + print $client "$qresult\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting get\n"; + } + } else { + if ($!+0 == 2) { + print $client "error:No such file or ". + "GDBM reported bad block error\n"; + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting get\n"; + } + } + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------------ eget - } elsif ($userinput =~ /^eget/) { - my ($cmd,$udom,$uname,$namespace,$what) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - chomp($what); - my @queries=split(/\&/,$what); - my $proname=propath($udom,$uname); - my $qresult=''; - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { - for (my $i=0;$i<=$#queries;$i++) { - $qresult.="$hash{$queries[$i]}&"; - } - if (untie(%hash)) { - $qresult=~s/\&$//; - if ($cipher) { - my $cmdlength=length($qresult); - $qresult.=" "; - my $encqresult=''; - for - (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) { - $encqresult.= - unpack("H16", - $cipher->encrypt(substr($qresult,$encidx,8))); - } - print $client "enc:$cmdlength:$encqresult\n"; - } else { - print $client "error:no_key\n"; - } - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting eget\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting eget\n"; - } + } elsif ($userinput =~ /^eget/) { + if (isClient) { + my ($cmd,$udom,$uname,$namespace,$what) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + chomp($what); + my @queries=split(/\&/,$what); + my $proname=propath($udom,$uname); + my $qresult=''; + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { + for (my $i=0;$i<=$#queries;$i++) { + $qresult.="$hash{$queries[$i]}&"; + } + if (untie(%hash)) { + $qresult=~s/\&$//; + if ($cipher) { + my $cmdlength=length($qresult); + $qresult.=" "; + my $encqresult=''; + for + (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) { + $encqresult.= + unpack("H16", + $cipher->encrypt(substr($qresult,$encidx,8))); + } + print $client "enc:$cmdlength:$encqresult\n"; + } else { + print $client "error:no_key\n"; + } + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting eget\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting eget\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------------- del - } elsif ($userinput =~ /^del/) { - my ($cmd,$udom,$uname,$namespace,$what) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - chomp($what); - my $proname=propath($udom,$uname); - my $now=time; - unless ($namespace=~/^nohist\_/) { - my $hfh; - if ( - $hfh=IO::File->new(">>$proname/$namespace.hist") - ) { print $hfh "D:$now:$what\n"; } - } - my @keys=split(/\&/,$what); - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { - foreach my $key (@keys) { - delete($hash{$key}); - } - if (untie(%hash)) { - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting del\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting del\n"; - } + } elsif ($userinput =~ /^del/) { + if(isClient) { + my ($cmd,$udom,$uname,$namespace,$what) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + chomp($what); + my $proname=propath($udom,$uname); + my $now=time; + unless ($namespace=~/^nohist\_/) { + my $hfh; + if ( + $hfh=IO::File->new(">>$proname/$namespace.hist") + ) { print $hfh "D:$now:$what\n"; } + } + my @keys=split(/\&/,$what); + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { + foreach my $key (@keys) { + delete($hash{$key}); + } + if (untie(%hash)) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting del\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting del\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------------ keys - } elsif ($userinput =~ /^keys/) { - my ($cmd,$udom,$uname,$namespace) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - my $proname=propath($udom,$uname); - my $qresult=''; - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { - foreach my $key (keys %hash) { - $qresult.="$key&"; - } - if (untie(%hash)) { - $qresult=~s/\&$//; - print $client "$qresult\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting keys\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting keys\n"; - } + } elsif ($userinput =~ /^keys/) { + if(isClient) { + my ($cmd,$udom,$uname,$namespace) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + my $proname=propath($udom,$uname); + my $qresult=''; + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { + foreach my $key (keys %hash) { + $qresult.="$key&"; + } + if (untie(%hash)) { + $qresult=~s/\&$//; + print $client "$qresult\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting keys\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting keys\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ----------------------------------------------------------------- dumpcurrent - } elsif ($userinput =~ /^currentdump/) { - my ($cmd,$udom,$uname,$namespace) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - my $qresult=''; - my $proname=propath($udom,$uname); - my %hash; - if (tie(%hash,'GDBM_File', - "$proname/$namespace.db", - &GDBM_READER(),0640)) { - # Structure of %data: - # $data{$symb}->{$parameter}=$value; - # $data{$symb}->{'v.'.$parameter}=$version; - # since $parameter will be unescaped, we do not - # have to worry about silly parameter names... - my %data = (); - while (my ($key,$value) = each(%hash)) { - my ($v,$symb,$param) = split(/:/,$key); - next if ($v eq 'version' || $symb eq 'keys'); - next if (exists($data{$symb}) && - exists($data{$symb}->{$param}) && - $data{$symb}->{'v.'.$param} > $v); - $data{$symb}->{$param}=$value; - $data{$symb}->{'v.'.$param}=$v; - } - if (untie(%hash)) { - while (my ($symb,$param_hash) = each(%data)) { - while(my ($param,$value) = each (%$param_hash)){ - next if ($param =~ /^v\./); - $qresult.=$symb.':'.$param.'='.$value.'&'; - } - } - chop($qresult); - print $client "$qresult\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting currentdump\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting currentdump\n"; - } + } elsif ($userinput =~ /^currentdump/) { + if (isClient) { + my ($cmd,$udom,$uname,$namespace) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + my $qresult=''; + my $proname=propath($udom,$uname); + my %hash; + if (tie(%hash,'GDBM_File', + "$proname/$namespace.db", + &GDBM_READER(),0640)) { + # Structure of %data: + # $data{$symb}->{$parameter}=$value; + # $data{$symb}->{'v.'.$parameter}=$version; + # since $parameter will be unescaped, we do not + # have to worry about silly parameter names... + my %data = (); + while (my ($key,$value) = each(%hash)) { + my ($v,$symb,$param) = split(/:/,$key); + next if ($v eq 'version' || $symb eq 'keys'); + next if (exists($data{$symb}) && + exists($data{$symb}->{$param}) && + $data{$symb}->{'v.'.$param} > $v); + $data{$symb}->{$param}=$value; + $data{$symb}->{'v.'.$param}=$v; + } + if (untie(%hash)) { + while (my ($symb,$param_hash) = each(%data)) { + while(my ($param,$value) = each (%$param_hash)){ + next if ($param =~ /^v\./); + $qresult.=$symb.':'.$param.'='.$value.'&'; + } + } + chop($qresult); + print $client "$qresult\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting currentdump\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting currentdump\n"; + } + } else { + Reply($client, "refused\n", $userinput); + } # ------------------------------------------------------------------------ dump - } elsif ($userinput =~ /^dump/) { - my ($cmd,$udom,$uname,$namespace,$regexp) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - if (defined($regexp)) { - $regexp=&unescape($regexp); - } else { - $regexp='.'; - } - my $qresult=''; - my $proname=propath($udom,$uname); - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { - study($regexp); - while (my ($key,$value) = each(%hash)) { - if ($regexp eq '.') { - $qresult.=$key.'='.$value.'&'; - } else { - my $unescapeKey = &unescape($key); - if (eval('$unescapeKey=~/$regexp/')) { - $qresult.="$key=$value&"; - } - } - } - if (untie(%hash)) { - chop($qresult); - print $client "$qresult\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". + } elsif ($userinput =~ /^dump/) { + if(isClient) { + my ($cmd,$udom,$uname,$namespace,$regexp) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + if (defined($regexp)) { + $regexp=&unescape($regexp); + } else { + $regexp='.'; + } + my $qresult=''; + my $proname=propath($udom,$uname); + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { + while (my ($key,$value) = each(%hash)) { + if ($regexp eq '.') { + $qresult.=$key.'='.$value.'&'; + } else { + my $unescapeKey = &unescape($key); + if (eval('$unescapeKey=~/$regexp/')) { + $qresult.="$key=$value&"; + } + } + } + if (untie(%hash)) { + chop($qresult); + print $client "$qresult\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". "while attempting dump\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting dump\n"; - } + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting dump\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ----------------------------------------------------------------------- store - } elsif ($userinput =~ /^store/) { - my ($cmd,$udom,$uname,$namespace,$rid,$what) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - if ($namespace ne 'roles') { - chomp($what); - my $proname=propath($udom,$uname); - my $now=time; - unless ($namespace=~/^nohist\_/) { - my $hfh; - if ( - $hfh=IO::File->new(">>$proname/$namespace.hist") - ) { print $hfh "P:$now:$rid:$what\n"; } - } - my @pairs=split(/\&/,$what); - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { - my @previouskeys=split(/&/,$hash{"keys:$rid"}); - my $key; - $hash{"version:$rid"}++; - my $version=$hash{"version:$rid"}; - my $allkeys=''; - foreach my $pair (@pairs) { - my ($key,$value)=split(/=/,$pair); - $allkeys.=$key.':'; - $hash{"$version:$rid:$key"}=$value; - } - $hash{"$version:$rid:timestamp"}=$now; - $allkeys.='timestamp'; - $hash{"$version:keys:$rid"}=$allkeys; - if (untie(%hash)) { - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting store\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting store\n"; - } - } else { - print $client "refused\n"; - } + } elsif ($userinput =~ /^store/) { + if(isClient) { + my ($cmd,$udom,$uname,$namespace,$rid,$what) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + if ($namespace ne 'roles') { + chomp($what); + my $proname=propath($udom,$uname); + my $now=time; + unless ($namespace=~/^nohist\_/) { + my $hfh; + if ( + $hfh=IO::File->new(">>$proname/$namespace.hist") + ) { print $hfh "P:$now:$rid:$what\n"; } + } + my @pairs=split(/\&/,$what); + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_WRCREAT(),0640)) { + my @previouskeys=split(/&/,$hash{"keys:$rid"}); + my $key; + $hash{"version:$rid"}++; + my $version=$hash{"version:$rid"}; + my $allkeys=''; + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair); + $allkeys.=$key.':'; + $hash{"$version:$rid:$key"}=$value; + } + $hash{"$version:$rid:timestamp"}=$now; + $allkeys.='timestamp'; + $hash{"$version:keys:$rid"}=$allkeys; + if (untie(%hash)) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting store\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting store\n"; + } + } else { + print $client "refused\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # --------------------------------------------------------------------- restore - } elsif ($userinput =~ /^restore/) { - my ($cmd,$udom,$uname,$namespace,$rid) - =split(/:/,$userinput); - $namespace=~s/\//\_/g; - $namespace=~s/\W//g; - chomp($rid); - my $proname=propath($udom,$uname); - my $qresult=''; - my %hash; - if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { - my $version=$hash{"version:$rid"}; - $qresult.="version=$version&"; - my $scope; - for ($scope=1;$scope<=$version;$scope++) { - my $vkeys=$hash{"$scope:keys:$rid"}; - my @keys=split(/:/,$vkeys); - my $key; - $qresult.="$scope:keys=$vkeys&"; - foreach $key (@keys) { - $qresult.="$scope:$key=".$hash{"$scope:$rid:$key"}."&"; - } - } - if (untie(%hash)) { - $qresult=~s/\&$//; - print $client "$qresult\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting restore\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting restore\n"; - } + } elsif ($userinput =~ /^restore/) { + if(isClient) { + my ($cmd,$udom,$uname,$namespace,$rid) + =split(/:/,$userinput); + $namespace=~s/\//\_/g; + $namespace=~s/\W//g; + chomp($rid); + my $proname=propath($udom,$uname); + my $qresult=''; + my %hash; + if (tie(%hash,'GDBM_File',"$proname/$namespace.db",&GDBM_READER(),0640)) { + my $version=$hash{"version:$rid"}; + $qresult.="version=$version&"; + my $scope; + for ($scope=1;$scope<=$version;$scope++) { + my $vkeys=$hash{"$scope:keys:$rid"}; + my @keys=split(/:/,$vkeys); + my $key; + $qresult.="$scope:keys=$vkeys&"; + foreach $key (@keys) { + $qresult.="$scope:$key=".$hash{"$scope:$rid:$key"}."&"; + } + } + if (untie(%hash)) { + $qresult=~s/\&$//; + print $client "$qresult\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting restore\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting restore\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # -------------------------------------------------------------------- chatsend - } elsif ($userinput =~ /^chatsend/) { - my ($cmd,$cdom,$cnum,$newpost)=split(/\:/,$userinput); - &chatadd($cdom,$cnum,$newpost); - print $client "ok\n"; + } elsif ($userinput =~ /^chatsend/) { + if(isClient) { + my ($cmd,$cdom,$cnum,$newpost)=split(/\:/,$userinput); + &chatadd($cdom,$cnum,$newpost); + print $client "ok\n"; + } else { + Reply($client, "refused\n", $userinput); + + } # -------------------------------------------------------------------- chatretr - } elsif ($userinput =~ /^chatretr/) { - my - ($cmd,$cdom,$cnum,$udom,$uname)=split(/\:/,$userinput); - my $reply=''; - foreach (&getchat($cdom,$cnum,$udom,$uname)) { - $reply.=&escape($_).':'; - } - $reply=~s/\:$//; - print $client $reply."\n"; + } elsif ($userinput =~ /^chatretr/) { + if(isClient) { + my + ($cmd,$cdom,$cnum,$udom,$uname)=split(/\:/,$userinput); + my $reply=''; + foreach (&getchat($cdom,$cnum,$udom,$uname)) { + $reply.=&escape($_).':'; + } + $reply=~s/\:$//; + print $client $reply."\n"; + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------- querysend - } elsif ($userinput =~ /^querysend/) { - my ($cmd,$query, - $arg1,$arg2,$arg3)=split(/\:/,$userinput); - $query=~s/\n*$//g; - print $client "". - sqlreply("$hostid{$clientip}\&$query". - "\&$arg1"."\&$arg2"."\&$arg3")."\n"; + } elsif ($userinput =~ /^querysend/) { + if (isClient) { + my ($cmd,$query, + $arg1,$arg2,$arg3)=split(/\:/,$userinput); + $query=~s/\n*$//g; + print $client "". + sqlreply("$clientname\&$query". + "\&$arg1"."\&$arg2"."\&$arg3")."\n"; + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------ queryreply - } elsif ($userinput =~ /^queryreply/) { - my ($cmd,$id,$reply)=split(/:/,$userinput); - my $store; - my $execdir=$perlvar{'lonDaemons'}; - if ($store=IO::File->new(">$execdir/tmp/$id")) { - $reply=~s/\&/\n/g; - print $store $reply; - close $store; - my $store2=IO::File->new(">$execdir/tmp/$id.end"); - print $store2 "done\n"; - close $store2; - print $client "ok\n"; - } - else { - print $client "error: ".($!+0) - ." IO::File->new Failed ". - "while attempting queryreply\n"; - } + } elsif ($userinput =~ /^queryreply/) { + if(isClient) { + my ($cmd,$id,$reply)=split(/:/,$userinput); + my $store; + my $execdir=$perlvar{'lonDaemons'}; + if ($store=IO::File->new(">$execdir/tmp/$id")) { + $reply=~s/\&/\n/g; + print $store $reply; + close $store; + my $store2=IO::File->new(">$execdir/tmp/$id.end"); + print $store2 "done\n"; + close $store2; + print $client "ok\n"; + } + else { + print $client "error: ".($!+0) + ." IO::File->new Failed ". + "while attempting queryreply\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ----------------------------------------------------------------- courseidput - } elsif ($userinput =~ /^courseidput/) { - my ($cmd,$udom,$what)=split(/:/,$userinput); - chomp($what); - $udom=~s/\W//g; - my $proname= - "$perlvar{'lonUsersDir'}/$udom/nohist_courseids"; - my $now=time; - my @pairs=split(/\&/,$what); - my %hash; - if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT(),0640)) { - foreach my $pair (@pairs) { - my ($key,$value)=split(/=/,$pair); - $hash{$key}=$value.':'.$now; - } - if (untie(%hash)) { - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting courseidput\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting courseidput\n"; - } + } elsif ($userinput =~ /^courseidput/) { + if(isClient) { + my ($cmd,$udom,$what)=split(/:/,$userinput); + chomp($what); + $udom=~s/\W//g; + my $proname= + "$perlvar{'lonUsersDir'}/$udom/nohist_courseids"; + my $now=time; + my @pairs=split(/\&/,$what); + my %hash; + if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT(),0640)) { + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair); + $hash{$key}=$value.':'.$now; + } + if (untie(%hash)) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting courseidput\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting courseidput\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ---------------------------------------------------------------- courseiddump - } elsif ($userinput =~ /^courseiddump/) { - my ($cmd,$udom,$since,$description) - =split(/:/,$userinput); - if (defined($description)) { - $description=&unescape($description); - } else { - $description='.'; - } - unless (defined($since)) { $since=0; } - my $qresult=''; - my $proname= - "$perlvar{'lonUsersDir'}/$udom/nohist_courseids"; - my %hash; - if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER(),0640)) { - while (my ($key,$value) = each(%hash)) { - my ($descr,$lasttime)=split(/\:/,$value); - if ($lasttime<$since) { next; } - if ($description eq '.') { - $qresult.=$key.'='.$descr.'&'; - } else { - my $unescapeVal = &unescape($descr); - if (eval('$unescapeVal=~/$description/i')) { - $qresult.="$key=$descr&"; - } - } - } - if (untie(%hash)) { - chop($qresult); - print $client "$qresult\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting courseiddump\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting courseiddump\n"; - } + } elsif ($userinput =~ /^courseiddump/) { + if(isClient) { + my ($cmd,$udom,$since,$description) + =split(/:/,$userinput); + if (defined($description)) { + $description=&unescape($description); + } else { + $description='.'; + } + unless (defined($since)) { $since=0; } + my $qresult=''; + my $proname= + "$perlvar{'lonUsersDir'}/$udom/nohist_courseids"; + my %hash; + if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER(),0640)) { + while (my ($key,$value) = each(%hash)) { + my ($descr,$lasttime)=split(/\:/,$value); + if ($lasttime<$since) { next; } + if ($description eq '.') { + $qresult.=$key.'='.$descr.'&'; + } else { + my $unescapeVal = &unescape($descr); + if (eval('$unescapeVal=~/\Q$description\E/i')) { + $qresult.="$key=$descr&"; + } + } + } + if (untie(%hash)) { + chop($qresult); + print $client "$qresult\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting courseiddump\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting courseiddump\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ----------------------------------------------------------------------- idput - } elsif ($userinput =~ /^idput/) { - my ($cmd,$udom,$what)=split(/:/,$userinput); - chomp($what); - $udom=~s/\W//g; - my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; - my $now=time; - { - my $hfh; - if ( - $hfh=IO::File->new(">>$proname.hist") - ) { print $hfh "P:$now:$what\n"; } - } - my @pairs=split(/\&/,$what); - my %hash; - if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT(),0640)) { - foreach my $pair (@pairs) { - my ($key,$value)=split(/=/,$pair); - $hash{$key}=$value; - } - if (untie(%hash)) { - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting idput\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting idput\n"; - } + } elsif ($userinput =~ /^idput/) { + if(isClient) { + my ($cmd,$udom,$what)=split(/:/,$userinput); + chomp($what); + $udom=~s/\W//g; + my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; + my $now=time; + { + my $hfh; + if ( + $hfh=IO::File->new(">>$proname.hist") + ) { print $hfh "P:$now:$what\n"; } + } + my @pairs=split(/\&/,$what); + my %hash; + if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_WRCREAT(),0640)) { + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair); + $hash{$key}=$value; + } + if (untie(%hash)) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting idput\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting idput\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ----------------------------------------------------------------------- idget - } elsif ($userinput =~ /^idget/) { - my ($cmd,$udom,$what)=split(/:/,$userinput); - chomp($what); - $udom=~s/\W//g; - my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; - my @queries=split(/\&/,$what); - my $qresult=''; - my %hash; - if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER(),0640)) { - for (my $i=0;$i<=$#queries;$i++) { - $qresult.="$hash{$queries[$i]}&"; - } - if (untie(%hash)) { - $qresult=~s/\&$//; - print $client "$qresult\n"; - } else { - print $client "error: ".($!+0) - ." untie(GDBM) Failed ". - "while attempting idget\n"; - } - } else { - print $client "error: ".($!+0) - ." tie(GDBM) Failed ". - "while attempting idget\n"; - } + } elsif ($userinput =~ /^idget/) { + if(isClient) { + my ($cmd,$udom,$what)=split(/:/,$userinput); + chomp($what); + $udom=~s/\W//g; + my $proname="$perlvar{'lonUsersDir'}/$udom/ids"; + my @queries=split(/\&/,$what); + my $qresult=''; + my %hash; + if (tie(%hash,'GDBM_File',"$proname.db",&GDBM_READER(),0640)) { + for (my $i=0;$i<=$#queries;$i++) { + $qresult.="$hash{$queries[$i]}&"; + } + if (untie(%hash)) { + $qresult=~s/\&$//; + print $client "$qresult\n"; + } else { + print $client "error: ".($!+0) + ." untie(GDBM) Failed ". + "while attempting idget\n"; + } + } else { + print $client "error: ".($!+0) + ." tie(GDBM) Failed ". + "while attempting idget\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ---------------------------------------------------------------------- tmpput - } elsif ($userinput =~ /^tmpput/) { - my ($cmd,$what)=split(/:/,$userinput); - my $store; - $tmpsnum++; - my $id=$$.'_'.$clientip.'_'.$tmpsnum; - $id=~s/\W/\_/g; - $what=~s/\n//g; - my $execdir=$perlvar{'lonDaemons'}; - if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) { - print $store $what; - close $store; - print $client "$id\n"; - } - else { - print $client "error: ".($!+0) - ."IO::File->new Failed ". - "while attempting tmpput\n"; - } - + } elsif ($userinput =~ /^tmpput/) { + if(isClient) { + my ($cmd,$what)=split(/:/,$userinput); + my $store; + $tmpsnum++; + my $id=$$.'_'.$clientip.'_'.$tmpsnum; + $id=~s/\W/\_/g; + $what=~s/\n//g; + my $execdir=$perlvar{'lonDaemons'}; + if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) { + print $store $what; + close $store; + print $client "$id\n"; + } + else { + print $client "error: ".($!+0) + ."IO::File->new Failed ". + "while attempting tmpput\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } + # ---------------------------------------------------------------------- tmpget - } elsif ($userinput =~ /^tmpget/) { - my ($cmd,$id)=split(/:/,$userinput); - chomp($id); - $id=~s/\W/\_/g; - my $store; - my $execdir=$perlvar{'lonDaemons'}; - if ($store=IO::File->new("$execdir/tmp/$id.tmp")) { - my $reply=<$store>; - print $client "$reply\n"; - close $store; - } - else { - print $client "error: ".($!+0) - ."IO::File->new Failed ". - "while attempting tmpget\n"; - } - + } elsif ($userinput =~ /^tmpget/) { + if(isClient) { + my ($cmd,$id)=split(/:/,$userinput); + chomp($id); + $id=~s/\W/\_/g; + my $store; + my $execdir=$perlvar{'lonDaemons'}; + if ($store=IO::File->new("$execdir/tmp/$id.tmp")) { + my $reply=<$store>; + print $client "$reply\n"; + close $store; + } + else { + print $client "error: ".($!+0) + ."IO::File->new Failed ". + "while attempting tmpget\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ---------------------------------------------------------------------- tmpdel - } elsif ($userinput =~ /^tmpdel/) { - my ($cmd,$id)=split(/:/,$userinput); - chomp($id); - $id=~s/\W/\_/g; - my $execdir=$perlvar{'lonDaemons'}; - if (unlink("$execdir/tmp/$id.tmp")) { - print $client "ok\n"; - } else { - print $client "error: ".($!+0) - ."Unlink tmp Failed ". - "while attempting tmpdel\n"; - } + } elsif ($userinput =~ /^tmpdel/) { + if(isClient) { + my ($cmd,$id)=split(/:/,$userinput); + chomp($id); + $id=~s/\W/\_/g; + my $execdir=$perlvar{'lonDaemons'}; + if (unlink("$execdir/tmp/$id.tmp")) { + print $client "ok\n"; + } else { + print $client "error: ".($!+0) + ."Unlink tmp Failed ". + "while attempting tmpdel\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # -------------------------------------------------------------------------- ls - } elsif ($userinput =~ /^ls/) { - my ($cmd,$ulsdir)=split(/:/,$userinput); - my $ulsout=''; - my $ulsfn; - if (-e $ulsdir) { - if(-d $ulsdir) { - if (opendir(LSDIR,$ulsdir)) { - while ($ulsfn=readdir(LSDIR)) { - my @ulsstats=stat($ulsdir.'/'.$ulsfn); - $ulsout.=$ulsfn.'&'. - join('&',@ulsstats).':'; - } - closedir(LSDIR); - } - } else { - my @ulsstats=stat($ulsdir); - $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; - } - } else { - $ulsout='no_such_dir'; - } - if ($ulsout eq '') { $ulsout='empty'; } - print $client "$ulsout\n"; + } elsif ($userinput =~ /^ls/) { + if(isClient) { + my $obs; + my $rights; + my ($cmd,$ulsdir)=split(/:/,$userinput); + 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=; + foreach my $obsolete (@obsolete) { + if($obsolete =~ m|()(on)|) { $obs = 1; } + if($obsolete =~ m|()(default)|) { $rights = 1; } + } + } + $ulsout.=$ulsfn.'&'.join('&',@ulsstats); + if($obs eq '1') { $ulsout.="&1"; } + else { $ulsout.="&0"; } + if($rights eq '1') { $ulsout.="&1:"; } + else { $ulsout.="&0:"; } + } + closedir(LSDIR); + } + } else { + my @ulsstats=stat($ulsdir); + $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':'; + } + } else { + $ulsout='no_such_dir'; + } + if ($ulsout eq '') { $ulsout='empty'; } + print $client "$ulsout\n"; + } else { + Reply($client, "refused\n", $userinput); + + } # ----------------------------------------------------------------- setannounce - } elsif ($userinput =~ /^setannounce/) { - my ($cmd,$announcement)=split(/:/,$userinput); - chomp($announcement); - $announcement=&unescape($announcement); - if (my $store=IO::File->new('>'.$perlvar{'lonDocRoot'}. - '/announcement.txt')) { - print $store $announcement; - close $store; - print $client "ok\n"; - } else { - print $client "error: ".($!+0)."\n"; - } + } elsif ($userinput =~ /^setannounce/) { + if (isClient) { + my ($cmd,$announcement)=split(/:/,$userinput); + chomp($announcement); + $announcement=&unescape($announcement); + if (my $store=IO::File->new('>'.$perlvar{'lonDocRoot'}. + '/announcement.txt')) { + print $store $announcement; + close $store; + print $client "ok\n"; + } else { + print $client "error: ".($!+0)."\n"; + } + } else { + Reply($client, "refused\n", $userinput); + + } # ------------------------------------------------------------------ Hanging up - } elsif (($userinput =~ /^exit/) || - ($userinput =~ /^init/)) { - &logthis( - "Client $clientip ($hostid{$clientip}) hanging up: $userinput"); - print $client "bye\n"; - $client->close(); - last; + } elsif (($userinput =~ /^exit/) || + ($userinput =~ /^init/)) { # no restrictions. + &logthis( + "Client $clientip ($clientname) hanging up: $userinput"); + print $client "bye\n"; + $client->shutdown(2); # shutdown the socket forcibly. + $client->close(); + last; + +# ---------------------------------- set current host/domain + } elsif ($userinput =~ /^sethost:/) { + if (isClient) { + print $client &sethost($userinput)."\n"; + } else { + print $client "refused\n"; + } +#---------------------------------- request file (?) version. + } elsif ($userinput =~/^version:/) { + if (isClient) { + print $client &version($userinput)."\n"; + } else { + print $client "refused\n"; + } +#------------------------------- is auto-enrollment enabled? + } elsif ($userinput =~/^autorun/) { + if (isClient) { + my $outcome = &localenroll::run(); + print $client "$outcome\n"; + } else { + print $client "0\n"; + } +#------------------------------- get official sections (for auto-enrollment). + } elsif ($userinput =~/^autogetsections/) { + if (isClient) { + my ($cmd,$coursecode)=split(/:/,$userinput); + my @secs = &localenroll::get_sections($coursecode); + my $seclist = &escape(join(':',@secs)); + print $client "$seclist\n"; + } else { + print $client "refused\n"; + } +#----------------------- validate owner of new course section (for auto-enrollment). + } elsif ($userinput =~/^autonewcourse/) { + if (isClient) { + my ($cmd,$course_id,$owner)=split(/:/,$userinput); + my $outcome = &localenroll::new_course($course_id,$owner); + print $client "$outcome\n"; + } else { + print $client "refused\n"; + } +#-------------- validate course section in schedule of classes (for auto-enrollment). + } elsif ($userinput =~/^autovalidatecourse/) { + if (isClient) { + my ($cmd,$course_id)=split(/:/,$userinput); + my $outcome=&localenroll::validate_courseID($course_id); + print $client "$outcome\n"; + } else { + print $client "refused\n"; + } +#--------------------------- create password for new user (for auto-enrollment). + } elsif ($userinput =~/^autocreatepassword/) { + if (isClient) { + my ($cmd,$authparam)=split(/:/,$userinput); + my ($create_passwd,$authchk) = @_; + ($authparam,$create_passwd,$authchk) = &localenroll::create_password($authparam); + print $client &escape($authparam.':'.$create_passwd.':'.$authchk)."\n"; + } else { + print $client "refused\n"; + } +#--------------------------- read and remove temporary files (for auto-enrollment). + } elsif ($userinput =~/^autoretrieve/) { + if (isClient) { + my ($cmd,$filename) = split(/:/,$userinput); + my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename; + if ( (-e $source) && ($filename ne '') ) { + my $reply = ''; + if (open(my $fh,$source)) { + while (<$fh>) { + chomp($_); + $_ =~ s/^\s+//g; + $_ =~ s/\s+$//g; + $reply .= $_; + } + close($fh); + print $client &escape($reply)."\n"; +# unlink($source); + } else { + print $client "error\n"; + } + } else { + print $client "error\n"; + } + } else { + print $client "refused\n"; + } # ------------------------------------------------------------- unknown command - } elsif ($userinput =~ /^sethost:/) { - print $client &sethost($userinput)."\n"; - } elsif ($userinput =~/^version:/) { - print $client &version($userinput)."\n"; - } else { - # unknown command - print $client "unknown_cmd\n"; - } + + } else { + # unknown command + print $client "unknown_cmd\n"; + } # -------------------------------------------------------------------- complete - alarm(0); - &status('Listening to '.$hostid{$clientip}); - } + alarm(0); + &status('Listening to '.$clientname); + } # --------------------------------------------- client unknown or fishy, refuse - } else { - print $client "refused\n"; - $client->close(); - &logthis("WARNING: " - ."Rejected client $clientip, closing connection"); - } - } - + } else { + print $client "refused\n"; + $client->close(); + &logthis("WARNING: " + ."Rejected client $clientip, closing connection"); + } + } + # ============================================================================= - - &logthis("CRITICAL: " - ."Disconnect from $clientip ($hostid{$clientip})"); - - - # this exit is VERY important, otherwise the child will become - # a producer of more and more children, forking yourself into - # process death. - exit; + + &logthis("CRITICAL: " + ."Disconnect from $clientip ($clientname)"); + + + # this exit is VERY important, otherwise the child will become + # a producer of more and more children, forking yourself into + # process death. + exit; } @@ -2185,13 +2982,10 @@ sub make_new_child { # sub ManagePermissions { - my $request = shift; - my $domain = shift; - my $user = shift; - my $authtype= shift; + + my ($request, $domain, $user, $authtype) = @_; # See if the request is of the form /$domain/_au - &logthis("ruequest is $request"); if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput... my $execdir = $perlvar{'lonDaemons'}; my $userhome= "/home/$user" ; @@ -2206,8 +3000,8 @@ sub ManagePermissions # sub GetAuthType { - my $domain = shift; - my $user = shift; + + my ($domain, $user) = @_; Debug("GetAuthType( $domain, $user ) \n"); my $proname = &propath($domain, $user); @@ -2316,17 +3110,36 @@ sub chatadd { sub unsub { my ($fname,$clientip)=@_; my $result; - if (unlink("$fname.$hostid{$clientip}")) { - $result="ok\n"; - } else { - $result="not_subscribed\n"; - } + my $unsubs = 0; # Number of successful unsubscribes: + + + # An old way subscriptions were handled was to have a + # subscription marker file: + + Debug("Attempting unlink of $fname.$clientname"); + if (unlink("$fname.$clientname")) { + $unsubs++; # Successful unsub via marker file. + } + + # The more modern way to do it is to have a subscription list + # file: + if (-e "$fname.subscription") { - my $found=&addline($fname,$hostid{$clientip},$clientip,''); - if ($found) { $result="ok\n"; } + my $found=&addline($fname,$clientname,$clientip,''); + if ($found) { + $unsubs++; + } + } + + # If either or both of these mechanisms succeeded in unsubscribing a + # resource we can return ok: + + if($unsubs) { + $result = "ok\n"; } else { - if ($result != "ok\n") { $result="not_subscribed\n"; } + $result = "not_subscribed\n"; } + return $result; } @@ -2354,7 +3167,7 @@ sub currentversion { # see if this is a regular file (ignore links produced earlier) my $thisfile=$ulsdir.'/'.$ulsfn; unless (-l $thisfile) { - if ($thisfile=~/\Q$fnamere1\E(\d+)\Q$fnamere2\E/) { + if ($thisfile=~/\Q$fnamere1\E(\d+)\Q$fnamere2\E$/) { if ($1>$version) { $version=$1; } } } @@ -2402,10 +3215,10 @@ sub subscribe { if (-d $fname) { $result="directory\n"; } else { - if (-e "$fname.$hostid{$clientip}") {&unsub($fname,$clientip);} + if (-e "$fname.$clientname") {&unsub($fname,$clientip);} my $now=time; - my $found=&addline($fname,$hostid{$clientip},$clientip, - "$hostid{$clientip}:$clientip:$now\n"); + my $found=&addline($fname,$clientname,$clientip, + "$clientname:$clientip:$now\n"); if ($found) { $result="$fname\n"; } # if they were subscribed to only meta data, delete that # subscription, when you subscribe to a file you also get @@ -2448,6 +3261,16 @@ sub make_passwd_file { } } elsif ($umode eq 'unix') { { + # + # Don't allow the creation of privileged accounts!!! that would + # be real bad!!! + # + my $uid = getpwnam($uname); + if((defined $uid) && ($uid == 0)) { + &logthis(">>>Attempted to create privilged account blocked"); + return "no_priv_account_error\n"; + } + my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd"; { &Debug("Executing external: ".$execpath); @@ -2507,7 +3330,7 @@ sub userload { while ($filename=readdir(LONIDS)) { if ($filename eq '.' || $filename eq '..') {next;} my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9]; - if ($curtime-$mtime < 3600) { $numusers++; } + if ($curtime-$mtime < 1800) { $numusers++; } } closedir(LONIDS); }