--- loncom/lond 2016/08/16 17:45:01 1.489.2.22
+++ loncom/lond 2016/02/17 19:15:44 1.518
@@ -2,7 +2,7 @@
# The LearningOnline Network
# lond "LON Daemon" Server (port "LOND" 5663)
#
-# $Id: lond,v 1.489.2.22 2016/08/16 17:45:01 raeburn Exp $
+# $Id: lond,v 1.518 2016/02/17 19:15:44 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -64,7 +64,7 @@ my $DEBUG = 0; # Non zero to ena
my $status='';
my $lastlog='';
-my $VERSION='$Revision: 1.489.2.22 $'; #' stupid emacs
+my $VERSION='$Revision: 1.518 $'; #' stupid emacs
my $remoteVERSION;
my $currenthostid="default";
my $currentdomainid;
@@ -1935,12 +1935,8 @@ sub authenticate_handler {
if (ref($hostedsession) eq 'HASH') {
$hosted = $hostedsession->{'hosted'};
}
- my $loncaparev = $clientversion;
- if ($loncaparev eq '') {
- $loncaparev = $Apache::lonnet::loncaparevs{$clientname};
- }
$canhost = &Apache::lonnet::can_host_session($udom,$clientname,
- $loncaparev,
+ $clientversion,
$remote,$hosted);
}
}
@@ -2038,7 +2034,7 @@ sub change_password_handler {
my $result = &change_unix_password($uname, $npass);
if ($result eq 'ok') {
&update_passwd_history($uname,$udom,$howpwd,$context);
- }
+ }
&logthis("Result of password change for $uname: ".
$result);
&Reply($client, \$result, $userinput);
@@ -2210,7 +2206,7 @@ sub change_authentication_handler {
my $result = &change_unix_password($uname, $npass);
&logthis("Result of password change for $uname: ".$result);
if ($result eq "ok") {
- &update_passwd_history($uname,$udom,$umode,'changeuserauth');
+ &update_passwd_history($uname,$udom,$umode,'changeuserauth');
&Reply($client, \$result);
} else {
&Failure($client, \$result);
@@ -2500,20 +2496,11 @@ sub remove_user_file_handler {
if (-e $file) {
#
# If the file is a regular file unlink is fine...
- # However it's possible the client wants a dir
- # removed, in which case rmdir is more appropriate
- # Note: rmdir will only remove an empty directory.
+ # However it's possible the client wants a dir.
+ # removed, in which case rmdir is more approprate:
#
if (-f $file){
unlink($file);
- # for html files remove the associated .bak file
- # which may have been created by the editor.
- if ($ufile =~ m{^((docs|supplemental)/(?:\d+|default)/\d+(?:|/.+)/)[^/]+\.x?html?$}i) {
- my $path = $1;
- if (-e $file.'.bak') {
- unlink($file.'.bak');
- }
- }
} elsif(-d $file) {
rmdir($file);
}
@@ -2880,8 +2867,8 @@ sub newput_user_profile_entry {
&logthis("error: ".($!+0)." untie (GDBM) failed ".
"while attempting newput - early out as key exists");
}
- &Failure($client, "key_exists: ".$key."\n",$userinput);
- return 1;
+ &Failure($client, "key_exists: ".$key."\n",$userinput);
+ return 1;
}
}
@@ -3283,6 +3270,17 @@ sub get_profile_keys {
sub dump_profile_database {
my ($cmd, $tail, $client) = @_;
+ my $res = LONCAPA::Lond::dump_profile_database($tail);
+
+ if ($res =~ /^error:/) {
+ Failure($client, \$res, "$cmd:$tail");
+ } else {
+ Reply($client, \$res, "$cmd:$tail");
+ }
+
+ return 1;
+
+ #TODO remove
my $userinput = "$cmd:$tail";
my ($udom,$uname,$namespace) = split(/:/,$tail);
@@ -3362,11 +3360,11 @@ sub dump_with_regexp {
my ($cmd, $tail, $client) = @_;
my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
-
+
if ($res =~ /^error:/) {
- &Failure($client, \$res, "$cmd:$tail");
+ Failure($client, \$res, "$cmd:$tail");
} else {
- &Reply($client, \$res, "$cmd:$tail");
+ Reply($client, \$res, "$cmd:$tail");
}
return 1;
@@ -3404,7 +3402,6 @@ sub store_handler {
my ($cmd, $tail, $client) = @_;
my $userinput = "$cmd:$tail";
-
chomp($tail);
my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail);
if ($namespace ne 'roles') {
@@ -3434,7 +3431,6 @@ sub store_handler {
$numtrans =~ s/D//g;
}
}
-
$hashref->{"version:$rid"}++;
my $version=$hashref->{"version:$rid"};
my $allkeys='';
@@ -3451,7 +3447,7 @@ sub store_handler {
if ($numtrans) {
$msg = 'delay:'.$numtrans;
}
- &Reply($client, "$msg\n", $userinput);
+ &Reply($client, "$msg\n", $userinput);
} else {
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
"while attempting store\n", $userinput);
@@ -3968,7 +3964,7 @@ sub put_course_id_hash_handler {
#
# domcloner - flag to indicate if user can create CCs in course's domain.
# If so, ability to clone course is automatic.
-# hasuniquecode - filter by courses for which a six character unique code has
+# hasuniquecode - filter by courses for which a six character unique code has
# been set.
#
# $client - The socket open on the client.
@@ -3978,6 +3974,17 @@ sub put_course_id_hash_handler {
# a reply is written to $client.
sub dump_course_id_handler {
my ($cmd, $tail, $client) = @_;
+
+ my $res = LONCAPA::Lond::dump_course_id_handler($tail);
+ if ($res =~ /^error:/) {
+ Failure($client, \$res, "$cmd:$tail");
+ } else {
+ Reply($client, \$res, "$cmd:$tail");
+ }
+
+ return 1;
+
+ #TODO remove
my $userinput = "$cmd:$tail";
my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
@@ -4425,6 +4432,122 @@ sub put_domain_handler {
}
®ister_handler("putdom", \&put_domain_handler, 0, 1, 0);
+# Updates one or more entries in clickers.db file at the domain level
+#
+# Parameters:
+# $cmd - The command that got us here.
+# $tail - Tail of the command (remaining parameters).
+# In this case a colon separated list containing:
+# (a) the domain for which we are updating the entries,
+# (b) the action required -- add or del -- and
+# (c) a &-separated list of entries to add or delete.
+# $client - File descriptor connected to client.
+# Returns
+# 1 - Continue processing.
+# 0 - Requested to exit, caller should shut down.
+# Side effects:
+# reply is written to $client.
+#
+
+
+sub update_clickers {
+ my ($cmd, $tail, $client) = @_;
+
+ my $userinput = "$cmd:$tail";
+ my ($udom,$action,$what) =split(/:/,$tail,3);
+ chomp($what);
+
+ my $hashref = &tie_domain_hash($udom, "clickers", &GDBM_WRCREAT(),
+ "U","$action:$what");
+
+ if (!$hashref) {
+ &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
+ "while attempting updateclickers\n", $userinput);
+ return 1;
+ }
+
+ my @pairs=split(/\&/,$what);
+ foreach my $pair (@pairs) {
+ my ($key,$value)=split(/=/,$pair);
+ if ($action eq 'add') {
+ if (exists($hashref->{$key})) {
+ my @newvals = split(/,/,&unescape($value));
+ my @currvals = split(/,/,&unescape($hashref->{$key}));
+ my @merged = sort(keys(%{{map { $_ => 1 } (@newvals,@currvals)}}));
+ $hashref->{$key}=&escape(join(',',@merged));
+ } else {
+ $hashref->{$key}=$value;
+ }
+ } elsif ($action eq 'del') {
+ if (exists($hashref->{$key})) {
+ my %current;
+ map { $current{$_} = 1; } split(/,/,&unescape($hashref->{$key}));
+ map { delete($current{$_}); } split(/,/,&unescape($value));
+ if (keys(%current)) {
+ $hashref->{$key}=&escape(join(',',sort(keys(%current))));
+ } else {
+ delete($hashref->{$key});
+ }
+ }
+ }
+ }
+ if (&untie_user_hash($hashref)) {
+ &Reply( $client, "ok\n", $userinput);
+ } else {
+ &Failure($client, "error: ".($!+0)." untie(GDBM) failed ".
+ "while attempting put\n",
+ $userinput);
+ }
+ return 1;
+}
+®ister_handler("updateclickers", \&update_clickers, 0, 1, 0);
+
+
+# Deletes one or more entries in a namespace db file at the domain level
+#
+# Parameters:
+# $cmd - The command that got us here.
+# $tail - Tail of the command (remaining parameters).
+# In this case a colon separated list containing:
+# (a) the domain for which we are deleting the entries,
+# (b) &-separated list of keys to delete.
+# $client - File descriptor connected to client.
+# Returns
+# 1 - Continue processing.
+# 0 - Requested to exit, caller should shut down.
+# Side effects:
+# reply is written to $client.
+#
+
+sub del_domain_handler {
+ my ($cmd,$tail,$client) = @_;
+
+ my $userinput = "$cmd:$tail";
+
+ my ($udom,$namespace,$what)=split(/:/,$tail,3);
+ chomp($what);
+ my $hashref = &tie_domain_hash($udom,$namespace,&GDBM_WRCREAT(),
+ "D", $what);
+ if ($hashref) {
+ my @keys=split(/\&/,$what);
+ foreach my $key (@keys) {
+ delete($hashref->{$key});
+ }
+ if (&untie_user_hash($hashref)) {
+ &Reply($client, "ok\n", $userinput);
+ } else {
+ &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
+ "while attempting deldom\n", $userinput);
+ }
+ } else {
+ &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
+ "while attempting deldom\n", $userinput);
+ }
+ return 1;
+}
+®ister_handler("deldom", \&del_domain_handler, 0, 1, 0);
+
+
# Unencrypted get from the namespace database file at the domain level.
# This function retrieves a keyed item from a specific named database in the
# domain directory.
@@ -4584,7 +4707,7 @@ sub get_id_handler {
# Returns:
# 1 - Continue processing
# 0 - Exit server.
-#
+#
#
sub del_id_handler {
@@ -5330,52 +5453,6 @@ sub create_auto_enroll_password_handler
®ister_handler("autocreatepassword", \&create_auto_enroll_password_handler,
0, 1, 0);
-sub auto_export_grades_handler {
- my ($cmd, $tail, $client) = @_;
- my $userinput = "$cmd:$tail";
- my ($cdom,$cnum,$info,$data) = split(/:/,$tail);
- my $inforef = &Apache::lonnet::thaw_unescape($info);
- my $dataref = &Apache::lonnet::thaw_unescape($data);
- my ($outcome,$result);;
- eval {
- local($SIG{__DIE__})='DEFAULT';
- my %rtnhash;
- $outcome=&localenroll::export_grades($cdom,$cnum,$inforef,$dataref,\%rtnhash);
- if ($outcome eq 'ok') {
- foreach my $key (keys(%rtnhash)) {
- $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($rtnhash{$key}).'&';
- }
- $result =~ s/\&$//;
- }
- };
- if (!$@) {
- if ($outcome eq 'ok') {
- if ($cipher) {
- my $cmdlength=length($result);
- $result.=" ";
- my $encresult='';
- for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
- $encresult.= unpack("H16",
- $cipher->encrypt(substr($result,
- $encidx,
- 8)));
- }
- &Reply( $client, "enc:$cmdlength:$encresult\n", $userinput);
- } else {
- &Failure( $client, "error:no_key\n", $userinput);
- }
- } else {
- &Reply($client, "$outcome\n", $userinput);
- }
- } else {
- &Failure($client,"export_error\n",$userinput);
- }
- return 1;
-}
-®ister_handler("autoexportgrades", \&auto_export_grades_handler,
- 0, 1, 0);
-
-
# Retrieve and remove temporary files created by/during autoenrollment.
#
# Formal Parameters:
@@ -5396,9 +5473,7 @@ sub retrieve_auto_file_handler {
my ($filename) = split(/:/, $tail);
my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;
- if ($filename =~m{/\.\./}) {
- &Failure($client, "refused\n", $userinput);
- } elsif ( (-e $source) && ($filename ne '') ) {
+ if ( (-e $source) && ($filename ne '') ) {
my $reply = '';
if (open(my $fh,$source)) {
while (<$fh>) {
@@ -6475,6 +6550,9 @@ sub Debug {
# reply - Text to send to client.
# request - Original request from client.
#
+#NOTE $reply must be terminated by exactly *one* \n. If $reply is a reference
+#this is done automatically ($$reply must not contain any \n in this case).
+#If $reply is a string the caller has to ensure this.
sub Reply {
my ($fd, $reply, $request) = @_;
if (ref($reply)) {
@@ -6728,7 +6806,7 @@ sub make_new_child {
}
} elsif ($dist =~ /^suse(\d+\.\d+)$/) {
if (($1 eq '9.3') || ($1 >= 12.2)) {
- $no_ets = 1;
+ $no_ets = 1;
}
} elsif ($dist =~ /^sles(\d+)$/) {
if ($1 > 11) {
@@ -6740,8 +6818,8 @@ sub make_new_child {
}
}
unless ($no_ets) {
- &Authen::Krb5::init_ets();
- }
+ &Authen::Krb5::init_ets();
+ }
&status('Accepted connection');
# =============================================================================
@@ -6785,12 +6863,12 @@ sub make_new_child {
# If the remote is attempting a local init... give that a try:
#
(my $i, my $inittype, $clientversion) = split(/:/, $remotereq);
- # For LON-CAPA 2.9, the client session will have sent its LON-CAPA
- # version when initiating the connection. For LON-CAPA 2.8 and older,
- # the version is retrieved from the global %loncaparevs in lonnet.pm.
- # $clientversion contains path to keyfile if $inittype eq 'local'
- # it's overridden below in this case
- $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
+ # For LON-CAPA 2.9, the client session will have sent its LON-CAPA
+ # version when initiating the connection. For LON-CAPA 2.8 and older,
+ # the version is retrieved from the global %loncaparevs in lonnet.pm.
+ # $clientversion contains path to keyfile if $inittype eq 'local'
+ # it's overridden below in this case
+ $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
# If the connection type is ssl, but I didn't get my
# certificate files yet, then I'll drop back to
@@ -7569,8 +7647,8 @@ sub make_passwd_file {
&Debug("Creating internal auth");
my $pf = IO::File->new(">$passfilename");
if($pf) {
- print $pf "internal:$ncpass\n";
- &update_passwd_history($uname,$udom,$umode,$action);
+ print $pf "internal:$ncpass\n";
+ &update_passwd_history($uname,$udom,$umode,$action);
} else {
$result = "pass_file_failed_error";
}
@@ -7580,7 +7658,6 @@ sub make_passwd_file {
my $pf = IO::File->new(">$passfilename");
if($pf) {
print $pf "localauth:$npass\n";
- &update_passwd_history($uname,$udom,$umode,$action);
} else {
$result = "pass_file_failed_error";
}
@@ -7652,6 +7729,8 @@ sub get_usersession_config {
}
+
+
sub distro_and_arch {
return $dist.':'.$arch;
}
@@ -7835,7 +7914,7 @@ Allow for a password to be set.
Make a user.
-=item passwd
+=item changeuserauth
Allow for authentication mechanism and password to be changed.
@@ -7924,6 +8003,10 @@ for each student, defined perhaps by the
Returns usernames corresponding to IDs. (These "IDs" are unique identifiers
for each student, defined perhaps by the institutional Registrar.)
+=item iddel
+
+Deletes one or more ids in a domain's id database.
+
=item tmpput
Accept and store information in temporary space.
@@ -7980,6 +8063,8 @@ Authen::Krb5
=head1 COREQUISITES
+none
+
=head1 OSNAMES
linux
@@ -8067,9 +8152,9 @@ or the CA's certificate in the call to l
<error> is the textual reason this failed. Usual reasons:
=over 2
-
+
=item Apache config file for loncapa incorrect:
-
+
one of the variables
lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate
undefined or incorrect
@@ -8188,7 +8273,7 @@ Could not rewrite the
internal password file for a user
=item Result of password change for <user> : <result>
-
+
A unix password change for <user> was attempted
and the pipe returned <result>
@@ -8217,7 +8302,7 @@ lond has been asked to exit by its clien
client systemand <input> is the full exit command sent to the server.
=item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].
-
+
A lond child terminated. NOte that this termination can also occur when the
child receives the QUIT or DIE signals. <pid> is the process id of the child,
<hostname> the host lond is working for, and <message> the reason the child died
@@ -8301,7 +8386,7 @@ file when sent it's USR1 signal. That p
assumed to be hung in some un-fixable way.
=item Finished checking children
-
+
Master processs's USR1 processing is cojmplete.
=item (Red) CRITICAL: ------- Starting ------
@@ -8315,7 +8400,7 @@ Started a new child process for <client>
connected to the child. This was as a result of a TCP/IP connection from a client.
=item Unable to determine who caller was, getpeername returned nothing
-
+
In child process initialization. either getpeername returned undef or
a zero sized object was returned. Processing continues, but in my opinion,
this should be cause for the child to exit.
@@ -8326,7 +8411,7 @@ In child process initialization. The pe
The client address is stored as "Unavailable" and processing continues.
=item (Yellow) INFO: Connection <ip> <name> connection type = <type>
-
+
In child initialization. A good connectionw as received from <ip>.
=over 2
@@ -8376,7 +8461,7 @@ The client (<client> is the peer's name
negotiated an SSL connection with this child process.
=item (Green) Successful insecure authentication with <client>
-
+
The client has successfully negotiated an insecure connection withthe child process.