loncom/lond - diff

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Diff for /loncom/lond between versions 1.489.2.8 and 1.522

version 1.489.2.8, 2013/08/10 14:20:52	version 1.522, 2016/05/30 03:16:38
Line 55 use LONCAPA::lonssl;	Line 55 use LONCAPA::lonssl;
use Fcntl qw(:flock);	use Fcntl qw(:flock);
use Apache::lonnet;	use Apache::lonnet;
use Mail::Send;	use Mail::Send;
	use Crypt::Eksblowfish::Bcrypt;
	use Digest::SHA;
	use Encode;

my $DEBUG = 0; # Non zero to enable debug log entries.	my $DEBUG = 0; # Non zero to enable debug log entries.

Line 621 sub ConfigFileFromSelector {	Line 624 sub ConfigFileFromSelector {
# String to send to client ("ok" or "refused" if bad file).	# String to send to client ("ok" or "refused" if bad file).
#	#
sub PushFile {	sub PushFile {
my $request = shift;	my $request = shift;
my ($command, $filename, $contents) = split(":", $request, 3);	my ($command, $filename, $contents) = split(":", $request, 3);
&Debug("PushFile");	&Debug("PushFile");

Line 651 sub PushFile {	Line 654 sub PushFile {

if($filename eq "host") {	if($filename eq "host") {
$contents = AdjustHostContents($contents);	$contents = AdjustHostContents($contents);
	} elsif ($filename eq 'dns_host' \|\| $filename eq 'dns_domain') {
	if ($contents eq '') {
	&logthis('<font color="red"> Pushfile: unable to install '
	.$tablefile." - no data received from push. </font>");
	return 'error: push had no data';
	}
	if (&Apache::lonnet::get_host_ip($clientname)) {
	my $clienthost = &Apache::lonnet::hostname($clientname);
	if ($managers{$clientip} eq $clientname) {
	my $clientprotocol = $Apache::lonnet::protocol{$clientname};
	$clientprotocol = 'http' if ($clientprotocol ne 'https');
	my $url = '/adm/'.$filename;
	$url =~ s{_}{/};
	my $ua=new LWP::UserAgent;
	$ua->timeout(60);
	my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url");
	my $response=$ua->request($request);
	if ($response->is_error()) {
	&logthis('<font color="red"> Pushfile: unable to install '
	.$tablefile." - error attempting to pull data. </font>");
	return 'error: pull failed';
	} else {
	my $result = $response->content;
	chomp($result);
	unless ($result eq $contents) {
	&logthis('<font color="red"> Pushfile: unable to install '
	.$tablefile." - pushed data and pulled data differ. </font>");
	my $pushleng = length($contents);
	my $pullleng = length($result);
	if ($pushleng != $pullleng) {
	return "error: $pushleng vs $pullleng bytes";
	} else {
	return "error: mismatch push and pull";
	}
	}
	}
	}
	}
}	}

# Install the new file:	# Install the new file:
Line 1685 sub read_lonnet_global {	Line 1726 sub read_lonnet_global {
sub server_devalidatecache_handler {	sub server_devalidatecache_handler {
my ($cmd,$tail,$client) = @_;	my ($cmd,$tail,$client) = @_;
my $userinput = "$cmd:$tail";	my $userinput = "$cmd:$tail";
my ($name,$id) = map { &unescape($_); } split(/:/,$tail);	my $items = &unescape($tail);
&Apache::lonnet::devalidate_cache_new($name,$id);	my @cached = split(/\&/,$items);
	foreach my $key (@cached) {
	if ($key =~ /:/) {
	my ($name,$id) = map { &unescape($_); } split(/:/,$key);
	&Apache::lonnet::devalidate_cache_new($name,$id);
	}
	}
my $result = 'ok';	my $result = 'ok';
&Reply($client,\$result,$userinput);	&Reply($client,\$result,$userinput);
return 1;	return 1;
Line 1888 sub authenticate_handler {	Line 1935 sub authenticate_handler {
if (ref($hostedsession) eq 'HASH') {	if (ref($hostedsession) eq 'HASH') {
$hosted = $hostedsession->{'hosted'};	$hosted = $hostedsession->{'hosted'};
}	}
my $loncaparev = $clientversion;
if ($loncaparev eq '') {
$loncaparev = $Apache::lonnet::loncaparevs{$clientname};
}
$canhost = &Apache::lonnet::can_host_session($udom,$clientname,	$canhost = &Apache::lonnet::can_host_session($udom,$clientname,
$loncaparev,	$clientversion,
$remote,$hosted);	$remote,$hosted);
}	}
}	}
Line 1973 sub change_password_handler {	Line 2016 sub change_password_handler {
my ($howpwd,$contentpwd)=split(/:/,$realpasswd);	my ($howpwd,$contentpwd)=split(/:/,$realpasswd);
if ($howpwd eq 'internal') {	if ($howpwd eq 'internal') {
&Debug("internal auth");	&Debug("internal auth");
my $salt=time;	my $ncpass = &hash_passwd($udom,$npass);
$salt=substr($salt,6,2);
my $ncpass=crypt($npass,$salt);
if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) {	if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) {
my $msg="Result of password change for $uname: pwchange_success";	my $msg="Result of password change for $uname: pwchange_success";
if ($lonhost) {	if ($lonhost) {
$msg .= " - request originated from: $lonhost";	$msg .= " - request originated from: $lonhost";
}	}
&logthis($msg);	&logthis($msg);
	&update_passwd_history($uname,$udom,$howpwd,$context);
&Reply($client, "ok\n", $userinput);	&Reply($client, "ok\n", $userinput);
} else {	} else {
&logthis("Unable to open $uname passwd "	&logthis("Unable to open $uname passwd "
Line 1990 sub change_password_handler {	Line 2032 sub change_password_handler {
}	}
} elsif ($howpwd eq 'unix' && $context ne 'reset_by_email') {	} elsif ($howpwd eq 'unix' && $context ne 'reset_by_email') {
my $result = &change_unix_password($uname, $npass);	my $result = &change_unix_password($uname, $npass);
	if ($result eq 'ok') {
	&update_passwd_history($uname,$udom,$howpwd,$context);
	}
&logthis("Result of password change for $uname: ".	&logthis("Result of password change for $uname: ".
$result);	$result);
&Reply($client, \$result, $userinput);	&Reply($client, \$result, $userinput);
Line 2012 sub change_password_handler {	Line 2057 sub change_password_handler {
}	}
&register_handler("passwd", \&change_password_handler, 1, 1, 0);	&register_handler("passwd", \&change_password_handler, 1, 1, 0);

	sub hash_passwd {
	my ($domain,$plainpass,@rest) = @_;
	my ($salt,$cost);
	if (@rest) {
	$cost = $rest[0];
	# salt is first 22 characters, base-64 encoded by bcrypt
	my $plainsalt = substr($rest[1],0,22);
	$salt = Crypt::Eksblowfish::Bcrypt::de_base64($plainsalt);
	} else {
	my $defaultcost;
	my %domconfig =
	&Apache::lonnet::get_dom('configuration',['password'],$domain);
	if (ref($domconfig{'password'}) eq 'HASH') {
	$defaultcost = $domconfig{'password'}{'cost'};
	}
	if (($defaultcost eq '') \|\| ($defaultcost =~ /D/)) {
	$cost = 10;
	} else {
	$cost = $defaultcost;
	}
	# Generate random 16-octet base64 salt
	$salt = "";
	$salt .= pack("C", int rand(256)) for 1..16;
	}
	my $hash = &Crypt::Eksblowfish::Bcrypt::bcrypt_hash({
	key_nul => 1,
	cost => $cost,
	salt => $salt,
	}, Digest::SHA::sha512(Encode::encode('UTF-8',$plainpass)));

	my $result = join("!", "", "bcrypt", sprintf("%02d",$cost),
	&Crypt::Eksblowfish::Bcrypt::en_base64($salt).
	&Crypt::Eksblowfish::Bcrypt::en_base64($hash));
	return $result;
	}

#	#
# Create a new user. User in this case means a lon-capa user.	# Create a new user. User in this case means a lon-capa user.
# The user must either already exist in some authentication realm	# The user must either already exist in some authentication realm
Line 2055 sub add_user_handler {	Line 2136 sub add_user_handler {
."makeuser";	."makeuser";
}	}
unless ($fperror) {	unless ($fperror) {
my $result=&make_passwd_file($uname,$udom,$umode,$npass, $passfilename);	my $result=&make_passwd_file($uname,$udom,$umode,$npass,
	$passfilename,'makeuser');
&Reply($client,\$result, $userinput); #BUGBUG - could be fail	&Reply($client,\$result, $userinput); #BUGBUG - could be fail
} else {	} else {
&Failure($client, \$fperror, $userinput);	&Failure($client, \$fperror, $userinput);
Line 2124 sub change_authentication_handler {	Line 2206 sub change_authentication_handler {
my $result = &change_unix_password($uname, $npass);	my $result = &change_unix_password($uname, $npass);
&logthis("Result of password change for $uname: ".$result);	&logthis("Result of password change for $uname: ".$result);
if ($result eq "ok") {	if ($result eq "ok") {
	&update_passwd_history($uname,$udom,$umode,'changeuserauth');
&Reply($client, \$result);	&Reply($client, \$result);
} else {	} else {
&Failure($client, \$result);	&Failure($client, \$result);
}	}
} else {	} else {
my $result=&make_passwd_file($uname,$udom,$umode,$npass,$passfilename);	my $result=&make_passwd_file($uname,$udom,$umode,$npass,
	$passfilename,'changeuserauth');
#	#
# If the current auth mode is internal, and the old auth mode was	# If the current auth mode is internal, and the old auth mode was
# unix, or krb*, and the user is an author for this domain,	# unix, or krb*, and the user is an author for this domain,
Line 2150 sub change_authentication_handler {	Line 2234 sub change_authentication_handler {
}	}
&register_handler("changeuserauth", \&change_authentication_handler, 1,1, 0);	&register_handler("changeuserauth", \&change_authentication_handler, 1,1, 0);

	sub update_passwd_history {
	my ($uname,$udom,$umode,$context) = @_;
	my $proname=&propath($udom,$uname);
	my $now = time;
	if (open(my $fh,">>$proname/passwd.log")) {
	print $fh "$now:$umode:$context\n";
	close($fh);
	}
	return;
	}

#	#
# Determines if this is the home server for a user. The home server	# Determines if this is the home server for a user. The home server
# for a user will have his/her lon-capa passwd file. Therefore all we need	# for a user will have his/her lon-capa passwd file. Therefore all we need
Line 2401 sub remove_user_file_handler {	Line 2496 sub remove_user_file_handler {
if (-e $file) {	if (-e $file) {
#	#
# If the file is a regular file unlink is fine...	# If the file is a regular file unlink is fine...
# However it's possible the client wants a dir.	# However it's possible the client wants a dir
# removed, in which case rmdir is more approprate:	# removed, in which case rmdir is more appropriate.
	# Note: rmdir will only remove an empty directory.
#	#
if (-f $file){	if (-f $file){
unlink($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) {	} elsif(-d $file) {
rmdir($file);	rmdir($file);
}	}
Line 2768 sub newput_user_profile_entry {	Line 2872 sub newput_user_profile_entry {
foreach my $pair (@pairs) {	foreach my $pair (@pairs) {
my ($key,$value)=split(/=/,$pair);	my ($key,$value)=split(/=/,$pair);
if (exists($hashref->{$key})) {	if (exists($hashref->{$key})) {
&Failure($client, "key_exists: ".$key."\n",$userinput);	if (!&untie_user_hash($hashref)) {
return 1;	&logthis("error: ".($!+0)." untie (GDBM) failed ".
	"while attempting newput - early out as key exists");
	}
	&Failure($client, "key_exists: ".$key."\n",$userinput);
	return 1;
}	}
}	}

Line 3171 sub get_profile_keys {	Line 3279 sub get_profile_keys {
sub dump_profile_database {	sub dump_profile_database {
my ($cmd, $tail, $client) = @_;	my ($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 $userinput = "$cmd:$tail";

my ($udom,$uname,$namespace) = split(/:/,$tail);	my ($udom,$uname,$namespace) = split(/:/,$tail);
Line 3250 sub dump_with_regexp {	Line 3369 sub dump_with_regexp {
my ($cmd, $tail, $client) = @_;	my ($cmd, $tail, $client) = @_;

my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);	my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);

if ($res =~ /^error:/) {	if ($res =~ /^error:/) {
&Failure($client, \$res, "$cmd:$tail");	Failure($client, \$res, "$cmd:$tail");
} else {	} else {
&Reply($client, \$res, "$cmd:$tail");	Reply($client, \$res, "$cmd:$tail");
}	}

return 1;	return 1;
Line 3271 sub dump_with_regexp {	Line 3390 sub dump_with_regexp {
# namespace - Name of the database being modified	# namespace - Name of the database being modified
# rid - Resource keyword to modify.	# rid - Resource keyword to modify.
# what - new value associated with rid.	# what - new value associated with rid.
	# laststore - (optional) version=timestamp
	# for most recent transaction for rid
	# in namespace, when cstore was called
#	#
# $client - Socket open on the client.	# $client - Socket open on the client.
#	#
Line 3279 sub dump_with_regexp {	Line 3401 sub dump_with_regexp {
# 1 (keep on processing).	# 1 (keep on processing).
# Side-Effects:	# Side-Effects:
# Writes to the client	# Writes to the client
	# Successful storage will cause either 'ok', or, if $laststore was included
	# in the tail of the request, and the version number for the last transaction
	# is larger than the version in $laststore, delay:$numtrans , where $numtrans
	# is the number of store evevnts recorded for rid in namespace since
	# lonnet::store() was called by the client.
	#
sub store_handler {	sub store_handler {
my ($cmd, $tail, $client) = @_;	my ($cmd, $tail, $client) = @_;

my $userinput = "$cmd:$tail";	my $userinput = "$cmd:$tail";
	chomp($tail);
my ($udom,$uname,$namespace,$rid,$what) =split(/:/,$tail);	my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail);
if ($namespace ne 'roles') {	if ($namespace ne 'roles') {

chomp($what);
my @pairs=split(/\&/,$what);	my @pairs=split(/\&/,$what);
my $hashref = &tie_user_hash($udom, $uname, $namespace,	my $hashref = &tie_user_hash($udom, $uname, $namespace,
&GDBM_WRCREAT(), "S",	&GDBM_WRCREAT(), "S",
"$rid:$what");	"$rid:$what");
if ($hashref) {	if ($hashref) {
my $now = time;	my $now = time;
my @previouskeys=split(/&/,$hashref->{"keys:$rid"});	my $numtrans;
my $key;	if ($laststore) {
	my ($previousversion,$previoustime) = split(/\=/,$laststore);
	my ($lastversion,$lasttime) = (0,0);
	$lastversion = $hashref->{"version:$rid"};
	if ($lastversion) {
	$lasttime = $hashref->{"$lastversion:$rid:timestamp"};
	}
	if (($previousversion) && ($previousversion !~ /\D/)) {
	if (($lastversion > $previousversion) && ($lasttime >= $previoustime)) {
	$numtrans = $lastversion - $previousversion;
	}
	} elsif ($lastversion) {
	$numtrans = $lastversion;
	}
	if ($numtrans) {
	$numtrans =~ s/D//g;
	}
	}
$hashref->{"version:$rid"}++;	$hashref->{"version:$rid"}++;
my $version=$hashref->{"version:$rid"};	my $version=$hashref->{"version:$rid"};
my $allkeys='';	my $allkeys='';
Line 3308 sub store_handler {	Line 3452 sub store_handler {
$allkeys.='timestamp';	$allkeys.='timestamp';
$hashref->{"$version:keys:$rid"}=$allkeys;	$hashref->{"$version:keys:$rid"}=$allkeys;
if (&untie_user_hash($hashref)) {	if (&untie_user_hash($hashref)) {
&Reply($client, "ok\n", $userinput);	my $msg = 'ok';
	if ($numtrans) {
	$msg = 'delay:'.$numtrans;
	}
	&Reply($client, "$msg\n", $userinput);
} else {	} else {
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".	&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
"while attempting store\n", $userinput);	"while attempting store\n", $userinput);
Line 3824 sub put_course_id_hash_handler {	Line 3972 sub put_course_id_hash_handler {
# creationcontext - include courses created in specified context	# creationcontext - include courses created in specified context
#	#
# domcloner - flag to indicate if user can create CCs in course's domain.	# domcloner - flag to indicate if user can create CCs in course's domain.
# If so, ability to clone course is automatic.	# If so, ability to clone course is automatic.
	# hasuniquecode - filter by courses for which a six character unique code has
	# been set.
#	#
# $client - The socket open on the client.	# $client - The socket open on the client.
# Returns:	# Returns:
Line 3833 sub put_course_id_hash_handler {	Line 3983 sub put_course_id_hash_handler {
# a reply is written to $client.	# a reply is written to $client.
sub dump_course_id_handler {	sub dump_course_id_handler {
my ($cmd, $tail, $client) = @_;	my ($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 $userinput = "$cmd:$tail";

my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,	my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
$typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden,	$typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden,
$caller,$cloner,$cc_clone_list,$cloneonly,$createdbefore,$createdafter,	$caller,$cloner,$cc_clone_list,$cloneonly,$createdbefore,$createdafter,
$creationcontext,$domcloner) =split(/:/,$tail);	$creationcontext,$domcloner,$hasuniquecode) =split(/:/,$tail);
my $now = time;	my $now = time;
my ($cloneruname,$clonerudom,%cc_clone);	my ($cloneruname,$clonerudom,%cc_clone);
if (defined($description)) {	if (defined($description)) {
Line 3911 sub dump_course_id_handler {	Line 4072 sub dump_course_id_handler {
} else {	} else {
$creationcontext = '.';	$creationcontext = '.';
}	}
	unless ($hasuniquecode) {
	$hasuniquecode = '.';
	}
my $unpack = 1;	my $unpack = 1;
if ($description eq '.' && $instcodefilter eq '.' && $ownerfilter eq '.' &&	if ($description eq '.' && $instcodefilter eq '.' && $ownerfilter eq '.' &&
$typefilter eq '.') {	$typefilter eq '.') {
Line 3999 sub dump_course_id_handler {	Line 4163 sub dump_course_id_handler {
$selfenroll_end = $items->{'selfenroll_end_date'};	$selfenroll_end = $items->{'selfenroll_end_date'};
$created = $items->{'created'};	$created = $items->{'created'};
$context = $items->{'context'};	$context = $items->{'context'};
	if ($hasuniquecode ne '.') {
	next unless ($items->{'uniquecode'});
	}
if ($selfenrollonly) {	if ($selfenrollonly) {
next if (!$selfenroll_types);	next if (!$selfenroll_types);
if (($selfenroll_end > 0) && ($selfenroll_end <= $now)) {	if (($selfenroll_end > 0) && ($selfenroll_end <= $now)) {
Line 4274 sub put_domain_handler {	Line 4441 sub put_domain_handler {
}	}
&register_handler("putdom", \&put_domain_handler, 0, 1, 0);	&register_handler("putdom", \&put_domain_handler, 0, 1, 0);

	# Updates one or more entries in clickers.db file at the domain level
	#
	# Parameters:
	# $cmd - The command that got us here.
	# $tail - Tail of the command (remaining parameters).
	# In this case a colon separated list containing:
	# (a) the domain for which we are updating the entries,
	# (b) the action required -- add or del -- and
	# (c) a &-separated list of entries to add or delete.
	# $client - File descriptor connected to client.
	# Returns
	# 1 - Continue processing.
	# 0 - Requested to exit, caller should shut down.
	# Side effects:
	# reply is written to $client.
	#


	sub update_clickers {
	my ($cmd, $tail, $client) = @_;

	my $userinput = "$cmd:$tail";
	my ($udom,$action,$what) =split(/:/,$tail,3);
	chomp($what);

	my $hashref = &tie_domain_hash($udom, "clickers", &GDBM_WRCREAT(),
	"U","$action:$what");

	if (!$hashref) {
	&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
	"while attempting updateclickers\n", $userinput);
	return 1;
	}

	my @pairs=split(/\&/,$what);
	foreach my $pair (@pairs) {
	my ($key,$value)=split(/=/,$pair);
	if ($action eq 'add') {
	if (exists($hashref->{$key})) {
	my @newvals = split(/,/,&unescape($value));
	my @currvals = split(/,/,&unescape($hashref->{$key}));
	my @merged = sort(keys(%{{map { $_ => 1 } (@newvals,@currvals)}}));
	$hashref->{$key}=&escape(join(',',@merged));
	} else {
	$hashref->{$key}=$value;
	}
	} elsif ($action eq 'del') {
	if (exists($hashref->{$key})) {
	my %current;
	map { $current{$_} = 1; } split(/,/,&unescape($hashref->{$key}));
	map { delete($current{$_}); } split(/,/,&unescape($value));
	if (keys(%current)) {
	$hashref->{$key}=&escape(join(',',sort(keys(%current))));
	} else {
	delete($hashref->{$key});
	}
	}
	}
	}
	if (&untie_user_hash($hashref)) {
	&Reply( $client, "ok\n", $userinput);
	} else {
	&Failure($client, "error: ".($!+0)." untie(GDBM) failed ".
	"while attempting put\n",
	$userinput);
	}
	return 1;
	}
	&register_handler("updateclickers", \&update_clickers, 0, 1, 0);


	# Deletes one or more entries in a namespace db file at the domain level
	#
	# Parameters:
	# $cmd - The command that got us here.
	# $tail - Tail of the command (remaining parameters).
	# In this case a colon separated list containing:
	# (a) the domain for which we are deleting the entries,
	# (b) &-separated list of keys to delete.
	# $client - File descriptor connected to client.
	# Returns
	# 1 - Continue processing.
	# 0 - Requested to exit, caller should shut down.
	# Side effects:
	# reply is written to $client.
	#

	sub del_domain_handler {
	my ($cmd,$tail,$client) = @_;

	my $userinput = "$cmd:$tail";

	my ($udom,$namespace,$what)=split(/:/,$tail,3);
	chomp($what);
	my $hashref = &tie_domain_hash($udom,$namespace,&GDBM_WRCREAT(),
	"D", $what);
	if ($hashref) {
	my @keys=split(/\&/,$what);
	foreach my $key (@keys) {
	delete($hashref->{$key});
	}
	if (&untie_user_hash($hashref)) {
	&Reply($client, "ok\n", $userinput);
	} else {
	&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
	"while attempting deldom\n", $userinput);
	}
	} else {
	&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
	"while attempting deldom\n", $userinput);
	}
	return 1;
	}
	&register_handler("deldom", \&del_domain_handler, 0, 1, 0);


# Unencrypted get from the namespace database file at the domain level.	# Unencrypted get from the namespace database file at the domain level.
# This function retrieves a keyed item from a specific named database in the	# This function retrieves a keyed item from a specific named database in the
# domain directory.	# domain directory.
Line 4433 sub get_id_handler {	Line 4716 sub get_id_handler {
# Returns:	# Returns:
# 1 - Continue processing	# 1 - Continue processing
# 0 - Exit server.	# 0 - Exit server.
#	#
#	#

sub del_id_handler {	sub del_id_handler {
Line 5179 sub create_auto_enroll_password_handler	Line 5462 sub create_auto_enroll_password_handler
&register_handler("autocreatepassword", \&create_auto_enroll_password_handler,	&register_handler("autocreatepassword", \&create_auto_enroll_password_handler,
0, 1, 0);	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;
	}
	&register_handler("autoexportgrades", \&auto_export_grades_handler,
	0, 1, 0);

# Retrieve and remove temporary files created by/during autoenrollment.	# Retrieve and remove temporary files created by/during autoenrollment.
#	#
# Formal Parameters:	# Formal Parameters:
Line 5199 sub retrieve_auto_file_handler {	Line 5527 sub retrieve_auto_file_handler {
my ($filename) = split(/:/, $tail);	my ($filename) = split(/:/, $tail);

my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;	my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;
if ( (-e $source) && ($filename ne '') ) {
	if ($filename =~m{/\.\./}) {
	&Failure($client, "refused\n", $userinput);
	} elsif ( (-e $source) && ($filename ne '') ) {
my $reply = '';	my $reply = '';
if (open(my $fh,$source)) {	if (open(my $fh,$source)) {
while (<$fh>) {	while (<$fh>) {
Line 5231 sub crsreq_checks_handler {	Line 5562 sub crsreq_checks_handler {
my $userinput = "$cmd:$tail";	my $userinput = "$cmd:$tail";
my $dom = $tail;	my $dom = $tail;
my $result;	my $result;
my @reqtypes = ('official','unofficial','community');	my @reqtypes = ('official','unofficial','community','textbook','placement');
eval {	eval {
local($SIG{__DIE__})='DEFAULT';	local($SIG{__DIE__})='DEFAULT';
my %validations;	my %validations;
Line 5258 sub crsreq_checks_handler {	Line 5589 sub crsreq_checks_handler {
sub validate_crsreq_handler {	sub validate_crsreq_handler {
my ($cmd, $tail, $client) = @_;	my ($cmd, $tail, $client) = @_;
my $userinput = "$cmd:$tail";	my $userinput = "$cmd:$tail";
my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist) = split(/:/, $tail);	my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$customdata) = split(/:/, $tail);
$instcode = &unescape($instcode);	$instcode = &unescape($instcode);
$owner = &unescape($owner);	$owner = &unescape($owner);
$crstype = &unescape($crstype);	$crstype = &unescape($crstype);
$inststatuslist = &unescape($inststatuslist);	$inststatuslist = &unescape($inststatuslist);
$instcode = &unescape($instcode);	$instcode = &unescape($instcode);
$instseclist = &unescape($instseclist);	$instseclist = &unescape($instseclist);
	my $custominfo = &Apache::lonnet::thaw_unescape($customdata);
my $outcome;	my $outcome;
eval {	eval {
local($SIG{__DIE__})='DEFAULT';	local($SIG{__DIE__})='DEFAULT';
$outcome = &localenroll::validate_crsreq($dom,$owner,$crstype,	$outcome = &localenroll::validate_crsreq($dom,$owner,$crstype,
$inststatuslist,$instcode,	$inststatuslist,$instcode,
$instseclist);	$instseclist,$custominfo);
};	};
if (!$@) {	if (!$@) {
&Reply($client, \$outcome, $userinput);	&Reply($client, \$outcome, $userinput);
Line 5281 sub validate_crsreq_handler {	Line 5613 sub validate_crsreq_handler {
}	}
&register_handler("autocrsreqvalidation", \&validate_crsreq_handler, 0, 1, 0);	&register_handler("autocrsreqvalidation", \&validate_crsreq_handler, 0, 1, 0);

	sub crsreq_update_handler {
	my ($cmd, $tail, $client) = @_;
	my $userinput = "$cmd:$tail";
	my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,$code,
	$accessstart,$accessend,$infohashref) =
	split(/:/, $tail);
	$crstype = &unescape($crstype);
	$action = &unescape($action);
	$ownername = &unescape($ownername);
	$ownerdomain = &unescape($ownerdomain);
	$fullname = &unescape($fullname);
	$title = &unescape($title);
	$code = &unescape($code);
	$accessstart = &unescape($accessstart);
	$accessend = &unescape($accessend);
	my $incoming = &Apache::lonnet::thaw_unescape($infohashref);
	my ($result,$outcome);
	eval {
	local($SIG{__DIE__})='DEFAULT';
	my %rtnhash;
	$outcome = &localenroll::crsreq_updates($cdom,$cnum,$crstype,$action,
	$ownername,$ownerdomain,$fullname,
	$title,$code,$accessstart,$accessend,
	$incoming,\%rtnhash);
	if ($outcome eq 'ok') {
	my @posskeys = qw(createdweb createdmsg createdcustomized createdactions queuedweb queuedmsg formitems reviewweb validationjs onload javascript);
	foreach my $key (keys(%rtnhash)) {
	if (grep(/^\Q$key\E/,@posskeys)) {
	$result .= &escape($key).'='.&Apache::lonnet::freeze_escape($rtnhash{$key}).'&';
	}
	}
	$result =~ s/\&$//;
	}
	};
	if (!$@) {
	if ($outcome eq 'ok') {
	&Reply($client, \$result, $userinput);
	} else {
	&Reply($client, "format_error\n", $userinput);
	}
	} else {
	&Failure($client,"unknown_cmd\n",$userinput);
	}
	return 1;
	}
	&register_handler("autocrsrequpdate", \&crsreq_update_handler, 0, 1, 0);

#	#
# Read and retrieve institutional code format (for support form).	# Read and retrieve institutional code format (for support form).
# Formal Parameters:	# Formal Parameters:
Line 6228 sub Debug {	Line 6607 sub Debug {
# reply - Text to send to client.	# reply - Text to send to client.
# request - Original request from 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 $reply is a string the caller has to ensure this.
sub Reply {	sub Reply {
my ($fd, $reply, $request) = @_;	my ($fd, $reply, $request) = @_;
if (ref($reply)) {	if (ref($reply)) {
Line 6473 sub make_new_child {	Line 6855 sub make_new_child {
# my $tmpsnum=0; # Now global	# my $tmpsnum=0; # Now global
#---------------------------------------------------- kerberos 5 initialization	#---------------------------------------------------- kerberos 5 initialization
&Authen::Krb5::init_context();	&Authen::Krb5::init_context();
unless (($dist eq 'fedora5') \|\| ($dist eq 'fedora4') \|\|
($dist eq 'fedora6') \|\| ($dist eq 'suse9.3') \|\|	my $no_ets;
($dist eq 'suse12.2') \|\| ($dist eq 'suse12.3')) {	if ($dist =~ /^(?:centos\|rhes\|scientific)(\d+)$/) {
	if ($1 >= 7) {
	$no_ets = 1;
	}
	} elsif ($dist =~ /^suse(\d+\.\d+)$/) {
	if (($1 eq '9.3') \|\| ($1 >= 12.2)) {
	$no_ets = 1;
	}
	} elsif ($dist =~ /^sles(\d+)$/) {
	if ($1 > 11) {
	$no_ets = 1;
	}
	} elsif ($dist =~ /^fedora(\d+)$/) {
	if ($1 < 7) {
	$no_ets = 1;
	}
	}
	unless ($no_ets) {
&Authen::Krb5::init_ets();	&Authen::Krb5::init_ets();
}	}

Line 6521 sub make_new_child {	Line 6920 sub make_new_child {
# If the remote is attempting a local init... give that a try:	# If the remote is attempting a local init... give that a try:
#	#
(my $i, my $inittype, $clientversion) = split(/:/, $remotereq);	(my $i, my $inittype, $clientversion) = split(/:/, $remotereq);
# For LON-CAPA 2.9, the client session will have sent its LON-CAPA	# For LON-CAPA 2.9, the client session will have sent its LON-CAPA
# version when initiating the connection. For LON-CAPA 2.8 and older,	# version when initiating the connection. For LON-CAPA 2.8 and older,
# the version is retrieved from the global %loncaparevs in lonnet.pm.	# the version is retrieved from the global %loncaparevs in lonnet.pm.
# $clientversion contains path to keyfile if $inittype eq 'local'	# $clientversion contains path to keyfile if $inittype eq 'local'
# it's overridden below in this case	# it's overridden below in this case
$clientversion \|\|= $Apache::lonnet::loncaparevs{$clientname};	$clientversion \|\|= $Apache::lonnet::loncaparevs{$clientname};

# If the connection type is ssl, but I didn't get my	# If the connection type is ssl, but I didn't get my
# certificate files yet, then I'll drop back to	# certificate files yet, then I'll drop back to
Line 6860 sub validate_user {	Line 7259 sub validate_user {
}	}
if ($howpwd ne 'nouser') {	if ($howpwd ne 'nouser') {
if($howpwd eq "internal") { # Encrypted is in local password file.	if($howpwd eq "internal") { # Encrypted is in local password file.
$validated = (crypt($password, $contentpwd) eq $contentpwd);	if (length($contentpwd) == 13) {
	$validated = (crypt($password,$contentpwd) eq $contentpwd);
	if ($validated) {
	my $ncpass = &hash_passwd($domain,$password);
	if (&rewrite_password_file($domain,$user,"$howpwd:$ncpass")) {
	&update_passwd_history($user,$domain,$howpwd,'conversion');
	&logthis("Validated password hashed with bcrypt for $user:$domain");
	}
	}
	} else {
	$validated = &check_internal_passwd($password,$contentpwd,$domain);
	}
}	}
elsif ($howpwd eq "unix") { # User is a normal unix user.	elsif ($howpwd eq "unix") { # User is a normal unix user.
$contentpwd = (getpwnam($user))[1];	$contentpwd = (getpwnam($user))[1];
Line 6928 sub validate_user {	Line 7338 sub validate_user {
return $validated;	return $validated;
}	}

	sub check_internal_passwd {
	my ($plainpass,$stored,$domain) = @_;
	my (undef,$method,@rest) = split(/!/,$stored);
	if ($method eq "bcrypt") {
	my $result = &hash_passwd($domain,$plainpass,@rest);
	if ($result ne $stored) {
	return 0;
	}
	# Upgrade to a larger number of rounds if necessary
	my $defaultcost;
	my %domconfig =
	&Apache::lonnet::get_dom('configuration',['password'],$domain);
	if (ref($domconfig{'password'}) eq 'HASH') {
	$defaultcost = $domconfig{'password'}{'cost'};
	}
	if (($defaultcost eq '') \|\| ($defaultcost =~ /D/)) {
	$defaultcost = 10;
	}
	return 1 unless($rest[0]<$defaultcost);
	}
	return 0;
	}

	sub get_last_authchg {
	my ($domain,$user) = @_;
	my $lastmod;
	my $logname = &propath($domain,$user).'/passwd.log';
	if (-e "$logname") {
	$lastmod = (stat("$logname"))[9];
	}
	return $lastmod;
	}

sub krb4_authen {	sub krb4_authen {
my ($password,$null,$user,$contentpwd) = @_;	my ($password,$null,$user,$contentpwd) = @_;
my $validated = 0;	my $validated = 0;
Line 7243 sub change_unix_password {	Line 7686 sub change_unix_password {


sub make_passwd_file {	sub make_passwd_file {
my ($uname,$udom,$umode,$npass,$passfilename)=@_;	my ($uname,$udom,$umode,$npass,$passfilename,$action)=@_;
my $result="ok";	my $result="ok";
if ($umode eq 'krb4' or $umode eq 'krb5') {	if ($umode eq 'krb4' or $umode eq 'krb5') {
{	{
my $pf = IO::File->new(">$passfilename");	my $pf = IO::File->new(">$passfilename");
if ($pf) {	if ($pf) {
print $pf "$umode:$npass\n";	print $pf "$umode:$npass\n";
	&update_passwd_history($uname,$udom,$umode,$action);
} else {	} else {
$result = "pass_file_failed_error";	$result = "pass_file_failed_error";
}	}
}	}
} elsif ($umode eq 'internal') {	} elsif ($umode eq 'internal') {
my $salt=time;	my $ncpass = &hash_passwd($udom,$npass);
$salt=substr($salt,6,2);
my $ncpass=crypt($npass,$salt);
{	{
&Debug("Creating internal auth");	&Debug("Creating internal auth");
my $pf = IO::File->new(">$passfilename");	my $pf = IO::File->new(">$passfilename");
if($pf) {	if($pf) {
print $pf "internal:$ncpass\n";	print $pf "internal:$ncpass\n";
	&update_passwd_history($uname,$udom,$umode,$action);
} else {	} else {
$result = "pass_file_failed_error";	$result = "pass_file_failed_error";
}	}
Line 7343 sub get_usersession_config {	Line 7786 sub get_usersession_config {
}	}




sub distro_and_arch {	sub distro_and_arch {
return $dist.':'.$arch;	return $dist.':'.$arch;
}	}
Line 7526 Allow for a password to be set.	Line 7971 Allow for a password to be set.

Make a user.	Make a user.

=item passwd	=item changeuserauth

Allow for authentication mechanism and password to be changed.	Allow for authentication mechanism and password to be changed.

Line 7615 for each student, defined perhaps by the	Line 8060 for each student, defined perhaps by the
Returns usernames corresponding to IDs. (These "IDs" are unique identifiers	Returns usernames corresponding to IDs. (These "IDs" are unique identifiers
for each student, defined perhaps by the institutional Registrar.)	for each student, defined perhaps by the institutional Registrar.)

	=item iddel

	Deletes one or more ids in a domain's id database.

=item tmpput	=item tmpput

Accept and store information in temporary space.	Accept and store information in temporary space.
Line 7671 Authen::Krb5	Line 8120 Authen::Krb5

=head1 COREQUISITES	=head1 COREQUISITES

	none

=head1 OSNAMES	=head1 OSNAMES

linux	linux
Line 7758 or the CA's certificate in the call to l	Line 8209 or the CA's certificate in the call to l
<error> is the textual reason this failed. Usual reasons:	<error> is the textual reason this failed. Usual reasons:

=over 2	=over 2

=item Apache config file for loncapa incorrect:	=item Apache config file for loncapa incorrect:

one of the variables	one of the variables
lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate	lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate
undefined or incorrect	undefined or incorrect
Line 7879 Could not rewrite the	Line 8330 Could not rewrite the
internal password file for a user	internal password file for a user

=item Result of password change for <user> : <result>	=item Result of password change for <user> : <result>

A unix password change for <user> was attempted	A unix password change for <user> was attempted
and the pipe returned <result>	and the pipe returned <result>

Line 7908 lond has been asked to exit by its clien	Line 8359 lond has been asked to exit by its clien
client systemand <input> is the full exit command sent to the server.	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>].	=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	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,	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	<hostname> the host lond is working for, and <message> the reason the child died
Line 7992 file when sent it's USR1 signal. That p	Line 8443 file when sent it's USR1 signal. That p
assumed to be hung in some un-fixable way.	assumed to be hung in some un-fixable way.

=item Finished checking children	=item Finished checking children

Master processs's USR1 processing is cojmplete.	Master processs's USR1 processing is cojmplete.

=item (Red) CRITICAL: ------- Starting ------	=item (Red) CRITICAL: ------- Starting ------
Line 8006 Started a new child process for <client>	Line 8457 Started a new child process for <client>
connected to the child. This was as a result of a TCP/IP connection from a 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	=item Unable to determine who caller was, getpeername returned nothing

In child process initialization. either getpeername returned undef or	In child process initialization. either getpeername returned undef or
a zero sized object was returned. Processing continues, but in my opinion,	a zero sized object was returned. Processing continues, but in my opinion,
this should be cause for the child to exit.	this should be cause for the child to exit.
Line 8017 In child process initialization. The pe	Line 8468 In child process initialization. The pe
The client address is stored as "Unavailable" and processing continues.	The client address is stored as "Unavailable" and processing continues.

=item (Yellow) INFO: Connection <ip> <name> connection type = <type>	=item (Yellow) INFO: Connection <ip> <name> connection type = <type>

In child initialization. A good connectionw as received from <ip>.	In child initialization. A good connectionw as received from <ip>.

=over 2	=over 2
Line 8067 The client (<client> is the peer's name	Line 8518 The client (<client> is the peer's name
negotiated an SSL connection with this child process.	negotiated an SSL connection with this child process.

=item (Green) Successful insecure authentication with <client>	=item (Green) Successful insecure authentication with <client>


The client has successfully negotiated an insecure connection withthe child process.	The client has successfully negotiated an insecure connection withthe child process.

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>

Removed from v.1.489.2.8
changed lines
	Added in v.1.522