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Diff for /loncom/lond between versions 1.258 and 1.278

version 1.258, 2004/09/14 20:18:41	version 1.278, 2005/02/08 17:58:42
Line 46 use Authen::Krb5;	Line 46 use Authen::Krb5;
use lib '/home/httpd/lib/perl/';	use lib '/home/httpd/lib/perl/';
use localauth;	use localauth;
use localenroll;	use localenroll;
	use localstudentphoto;
use File::Copy;	use File::Copy;
use LONCAPA::ConfigFileEdit;	use LONCAPA::ConfigFileEdit;
use LONCAPA::lonlocal;	use LONCAPA::lonlocal;
Line 64 my $currentdomainid;	Line 65 my $currentdomainid;

my $client;	my $client;
my $clientip; # IP address of client.	my $clientip; # IP address of client.
my $clientdns; # DNS name of client.
my $clientname; # LonCAPA name of client.	my $clientname; # LonCAPA name of client.

my $server;	my $server;
Line 177 sub ResetStatistics {	Line 177 sub ResetStatistics {
# $initcmd - The full text of the init command.	# $initcmd - The full text of the init command.
#	#
# Implicit inputs:	# Implicit inputs:
# $clientdns - The DNS name of the remote client.
# $thisserver - Our DNS name.	# $thisserver - Our DNS name.
#	#
# Returns:	# Returns:
Line 186 sub ResetStatistics {	Line 185 sub ResetStatistics {
#	#
sub LocalConnection {	sub LocalConnection {
my ($Socket, $initcmd) = @_;	my ($Socket, $initcmd) = @_;
Debug("Attempting local connection: $initcmd client: $clientdns me: $thisserver");	Debug("Attempting local connection: $initcmd client: $clientip me: $thisserver");
if($clientdns ne $thisserver) {	if($clientip ne "127.0.0.1") {
&logthis('<font color="red"> LocalConnection rejecting non local: '	&logthis('<font color="red"> LocalConnection rejecting non local: '
."$clientdns ne $thisserver </font>");	."$clientip ne $thisserver </font>");
close $Socket;	close $Socket;
return undef;	return undef;
} else {	} else {
Line 1130 sub read_profile {	Line 1129 sub read_profile {
# 0 - Program should exit.	# 0 - Program should exit.
# Side effects:	# Side effects:
# Reply information is sent to the client.	# Reply information is sent to the client.

sub ping_handler {	sub ping_handler {
my ($cmd, $tail, $client) = @_;	my ($cmd, $tail, $client) = @_;
Debug("$cmd $tail $client .. $currenthostid:");	Debug("$cmd $tail $client .. $currenthostid:");
Line 1158 sub ping_handler {	Line 1156 sub ping_handler {
# 0 - Program should exit.	# 0 - Program should exit.
# Side effects:	# Side effects:
# Reply information is sent to the client.	# Reply information is sent to the client.

sub pong_handler {	sub pong_handler {
my ($cmd, $tail, $replyfd) = @_;	my ($cmd, $tail, $replyfd) = @_;

Line 1213 sub establish_key_handler {	Line 1210 sub establish_key_handler {
}	}
&register_handler("ekey", \&establish_key_handler, 0, 1,1);	&register_handler("ekey", \&establish_key_handler, 0, 1,1);


# Handler for the load command. Returns the current system load average	# Handler for the load command. Returns the current system load average
# to the requestor.	# to the requestor.
#	#
Line 1248 sub load_handler {	Line 1244 sub load_handler {

return 1;	return 1;
}	}
register_handler("load", \&load_handler, 0, 1, 0);	&register_handler("load", \&load_handler, 0, 1, 0);

#	#
# Process the userload request. This sub returns to the client the current	# Process the userload request. This sub returns to the client the current
Line 1278 sub user_load_handler {	Line 1274 sub user_load_handler {

return 1;	return 1;
}	}
register_handler("userload", \&user_load_handler, 0, 1, 0);	&register_handler("userload", \&user_load_handler, 0, 1, 0);

# Process a request for the authorization type of a user:	# Process a request for the authorization type of a user:
# (userauth).	# (userauth).
Line 1314 sub user_authorization_type {	Line 1310 sub user_authorization_type {
my ($type,$otherinfo) = split(/:/,$result);	my ($type,$otherinfo) = split(/:/,$result);
if($type =~ /^krb/) {	if($type =~ /^krb/) {
$type = $result;	$type = $result;
}	} else {
&Reply( $replyfd, "$type:\n", $userinput);	$type .= ':';
	}
	&Reply( $replyfd, "$type\n", $userinput);
}	}

return 1;	return 1;
Line 1335 sub user_authorization_type {	Line 1333 sub user_authorization_type {
# 0 - Program should exit	# 0 - Program should exit
# Implicit Output:	# Implicit Output:
# a reply is written to the client.	# a reply is written to the client.

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

Line 1378 sub push_file_handler {	Line 1375 sub push_file_handler {
# Side Effects:	# Side Effects:
# The reply is written to $client.	# The reply is written to $client.
#	#

sub du_handler {	sub du_handler {
my ($cmd, $ududir, $client) = @_;	my ($cmd, $ududir, $client) = @_;
my ($ududir) = split(/:/,$ududir); # Make 'telnet' testing easier.	my ($ududir) = split(/:/,$ududir); # Make 'telnet' testing easier.
Line 1412 sub du_handler {	Line 1408 sub du_handler {
}	}
&register_handler("du", \&du_handler, 0, 1, 0);	&register_handler("du", \&du_handler, 0, 1, 0);


#	#
# ls - list the contents of a directory. For each file in the	# ls - list the contents of a directory. For each file in the
# selected directory the filename followed by the full output of	# selected directory the filename followed by the full output of
Line 1476 sub ls_handler {	Line 1471 sub ls_handler {
}	}
&register_handler("ls", \&ls_handler, 0, 1, 0);	&register_handler("ls", \&ls_handler, 0, 1, 0);




# Process a reinit request. Reinit requests that either	# Process a reinit request. Reinit requests that either
# lonc or lond be reinitialized so that an updated	# lonc or lond be reinitialized so that an updated
# host.tab or domain.tab can be processed.	# host.tab or domain.tab can be processed.
Line 1508 sub reinit_process_handler {	Line 1500 sub reinit_process_handler {
}	}
return 1;	return 1;
}	}

&register_handler("reinit", \&reinit_process_handler, 1, 0, 1);	&register_handler("reinit", \&reinit_process_handler, 1, 0, 1);

# Process the editing script for a table edit operation.	# Process the editing script for a table edit operation.
Line 1550 sub edit_table_handler {	Line 1541 sub edit_table_handler {
}	}
return 1;	return 1;
}	}
register_handler("edit", \&edit_table_handler, 1, 0, 1);	&register_handler("edit", \&edit_table_handler, 1, 0, 1);


#	#
# Authenticate a user against the LonCAPA authentication	# Authenticate a user against the LonCAPA authentication
Line 1606 sub authenticate_handler {	Line 1596 sub authenticate_handler {

return 1;	return 1;
}	}
	&register_handler("auth", \&authenticate_handler, 1, 1, 0);
register_handler("auth", \&authenticate_handler, 1, 1, 0);

#	#
# Change a user's password. Note that this function is complicated by	# Change a user's password. Note that this function is complicated by
Line 1698 sub change_password_handler {	Line 1687 sub change_password_handler {

return 1;	return 1;
}	}
register_handler("passwd", \&change_password_handler, 1, 1, 0);	&register_handler("passwd", \&change_password_handler, 1, 1, 0);


#	#
# 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.
Line 1738 sub add_user_handler {	Line 1726 sub add_user_handler {
if (-e $passfilename) {	if (-e $passfilename) {
&Failure( $client, "already_exists\n", $userinput);	&Failure( $client, "already_exists\n", $userinput);
} else {	} else {
my @fpparts=split(/\//,$passfilename);
my $fpnow=$fpparts[0].'/'.$fpparts[1].'/'.$fpparts[2];
my $fperror='';	my $fperror='';
for (my $i=3;$i<= ($#fpparts-1);$i++) {	if (!&mkpath($passfilename)) {
$fpnow.='/'.$fpparts[$i];	$fperror="error: ".($!+0)." mkdir failed while attempting "
unless (-e $fpnow) {	."makeuser";
&logthis("mkdir $fpnow");
unless (mkdir($fpnow,0777)) {
$fperror="error: ".($!+0)." mkdir failed while attempting "
."makeuser";
}
}
}	}
unless ($fperror) {	unless ($fperror) {
my $result=&make_passwd_file($uname, $umode,$npass, $passfilename);	my $result=&make_passwd_file($uname, $umode,$npass, $passfilename);
Line 1806 sub change_authentication_handler {	Line 1786 sub change_authentication_handler {
chomp($npass);	chomp($npass);

$npass=&unescape($npass);	$npass=&unescape($npass);
	my $oldauth = &get_auth_type($udom, $uname); # Get old auth info.
my $passfilename = &password_path($udom, $uname);	my $passfilename = &password_path($udom, $uname);
if ($passfilename) { # Not allowed to create a new user!!	if ($passfilename) { # Not allowed to create a new user!!
my $result=&make_passwd_file($uname, $umode,$npass,$passfilename);	my $result=&make_passwd_file($uname, $umode,$npass,$passfilename);
	#
	# If the current auth mode is internal, and the old auth mode was
	# unix, or krb*, and the user is an author for this domain,
	# re-run manage_permissions for that role in order to be able
	# to take ownership of the construction space back to www:www
	#

	if( (($oldauth =~ /^unix/) && ($umode eq "internal")) \|\|
	(($oldauth =~ /^internal/) && ($umode eq "unix")) ) {
	if(&is_author($udom, $uname)) {
	&Debug(" Need to manage author permissions...");
	&manage_permissions("/$udom/_au", $udom, $uname, "$umode:");
	}
	}


&Reply($client, $result, $userinput);	&Reply($client, $result, $userinput);
} else {	} else {
&Failure($client, "non_authorized\n", $userinput); # Fail the user now.	&Failure($client, "non_authorized\n", $userinput); # Fail the user now.
Line 1964 sub fetch_user_file_handler {	Line 1961 sub fetch_user_file_handler {
# Note that any regular files in the way of this path are	# Note that any regular files in the way of this path are
# wiped out to deal with some earlier folly of mine.	# wiped out to deal with some earlier folly of mine.

my $path = $udir;	if (!&mkpath($udir.'/'.$ufile)) {
if ($ufile =~m\|(.+)/([^/]+)$\|) {	&Failure($client, "unable_to_create\n", $userinput);
my @parts=split('/',$1);
foreach my $part (@parts) {
$path .= '/'.$part;
if( -f $path) {
unlink($path);
}
if ((-e $path)!=1) {
mkdir($path,0770);
}
}
}	}


my $destname=$udir.'/'.$ufile;	my $destname=$udir.'/'.$ufile;
my $transname=$udir.'/'.$ufile.'.in.transit';	my $transname=$udir.'/'.$ufile.'.in.transit';
my $remoteurl='http://'.$clientip.'/userfiles/'.$fname;	my $remoteurl='http://'.$clientip.'/userfiles/'.$fname;
Line 2022 sub fetch_user_file_handler {	Line 2008 sub fetch_user_file_handler {
#	#
# Returns:	# Returns:
# 1 - Continue processing.	# 1 - Continue processing.

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

Line 2075 sub remove_user_file_handler {	Line 2060 sub remove_user_file_handler {
#	#
# Returns:	# Returns:
# 1 - Continue processing.	# 1 - Continue processing.

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

Line 2089 sub mkdir_user_file_handler {	Line 2073 sub mkdir_user_file_handler {
} else {	} else {
my $udir = &propath($udom,$uname);	my $udir = &propath($udom,$uname);
if (-e $udir) {	if (-e $udir) {
my $newdir=$udir.'/userfiles/'.$ufile;	my $newdir=$udir.'/userfiles/'.$ufile.'/';
if (!-e $newdir) {	if (!&mkpath($newdir)) {
my @parts=split('/',$newdir);	&Failure($client, "failed\n", "$cmd:$tail");
my $path;
foreach my $part (@parts) {
$path .= '/'.$part;
if (!-e $path) {
mkdir($path,0770);
}
}
if (!-e $newdir) {
&Failure($client, "failed\n", "$cmd:$tail");
} else {
&Reply($client, "ok\n", "$cmd:$tail");
}
} else {
&Failure($client, "not_found\n", "$cmd:$tail");
}	}
	&Reply($client, "ok\n", "$cmd:$tail");
} else {	} else {
&Failure($client, "not_home\n", "$cmd:$tail");	&Failure($client, "not_home\n", "$cmd:$tail");
}	}
Line 2124 sub mkdir_user_file_handler {	Line 2095 sub mkdir_user_file_handler {
#	#
# Returns:	# Returns:
# 1 - Continue processing.	# 1 - Continue processing.

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

Line 2158 sub rename_user_file_handler {	Line 2128 sub rename_user_file_handler {
}	}
&register_handler("renameuserfile", \&rename_user_file_handler, 0,1,0);	&register_handler("renameuserfile", \&rename_user_file_handler, 0,1,0);


#	#
# Authenticate access to a user file by checking the user's	# Authenticate access to a user file by checking that the token the user's
# session token(?)	# passed also exists in their session file
#	#
# Parameters:	# Parameters:
# cmd - The request keyword that dispatched to tus.	# cmd - The request keyword that dispatched to tus.
Line 2169 sub rename_user_file_handler {	Line 2138 sub rename_user_file_handler {
# client - Filehandle open on the client.	# client - Filehandle open on the client.
# Return:	# Return:
# 1.	# 1.

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

Line 2190 sub token_auth_user_file_handler {	Line 2158 sub token_auth_user_file_handler {
return 1;	return 1;

}	}

&register_handler("tokenauthuserfile", \&token_auth_user_file_handler, 0,1,0);	&register_handler("tokenauthuserfile", \&token_auth_user_file_handler, 0,1,0);


#	#
# Unsubscribe from a resource.	# Unsubscribe from a resource.
#	#
Line 2222 sub unsubscribe_handler {	Line 2188 sub unsubscribe_handler {
return 1;	return 1;
}	}
&register_handler("unsub", \&unsubscribe_handler, 0, 1, 0);	&register_handler("unsub", \&unsubscribe_handler, 0, 1, 0);

# Subscribe to a resource	# Subscribe to a resource
#	#
# Parameters:	# Parameters:
Line 2300 sub activity_log_handler {	Line 2267 sub activity_log_handler {

return 1;	return 1;
}	}
register_handler("log", \&activity_log_handler, 0, 1, 0);	&register_handler("log", \&activity_log_handler, 0, 1, 0);

#	#
# Put a namespace entry in a user profile hash.	# Put a namespace entry in a user profile hash.
Line 2405 sub increment_user_value_handler {	Line 2372 sub increment_user_value_handler {
}	}
&register_handler("inc", \&increment_user_value_handler, 0, 1, 0);	&register_handler("inc", \&increment_user_value_handler, 0, 1, 0);


#	#
# Put a new role for a user. Roles are LonCAPA's packaging of permissions.	# Put a new role for a user. Roles are LonCAPA's packaging of permissions.
# Each 'role' a user has implies a set of permissions. Adding a new role	# Each 'role' a user has implies a set of permissions. Adding a new role
Line 2445 sub roles_put_handler {	Line 2411 sub roles_put_handler {
# is done on close this improves the chances the log will be an un-	# is done on close this improves the chances the log will be an un-
# corrupted ordered thing.	# corrupted ordered thing.
if ($hashref) {	if ($hashref) {
	my $pass_entry = &get_auth_type($udom, $uname);
	my ($auth_type,$pwd) = split(/:/, $pass_entry);
	$auth_type = $auth_type.":";
my @pairs=split(/\&/,$what);	my @pairs=split(/\&/,$what);
foreach my $pair (@pairs) {	foreach my $pair (@pairs) {
my ($key,$value)=split(/=/,$pair);	my ($key,$value)=split(/=/,$pair);
&manage_permissions($key, $udom, $uname,	&manage_permissions($key, $udom, $uname,
&get_auth_type( $udom, $uname));	$auth_type);
$hashref->{$key}=$value;	$hashref->{$key}=$value;
}	}
if (untie($hashref)) {	if (untie($hashref)) {
Line 2610 sub get_profile_entry_encrypted {	Line 2579 sub get_profile_entry_encrypted {
return 1;	return 1;
}	}
&register_handler("eget", \&get_profile_entry_encrypted, 0, 1, 0);	&register_handler("eget", \&get_profile_entry_encrypted, 0, 1, 0);

#	#
# Deletes a key in a user profile database.	# Deletes a key in a user profile database.
#	#
Line 2628 sub get_profile_entry_encrypted {	Line 2598 sub get_profile_entry_encrypted {
# 0 - Exit server.	# 0 - Exit server.
#	#
#	#

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

Line 2657 sub delete_profile_entry {	Line 2626 sub delete_profile_entry {
return 1;	return 1;
}	}
&register_handler("del", \&delete_profile_entry, 0, 1, 0);	&register_handler("del", \&delete_profile_entry, 0, 1, 0);

#	#
# List the set of keys that are defined in a profile database file.	# List the set of keys that are defined in a profile database file.
# A successful reply from this will contain an & separated list of	# A successful reply from this will contain an & separated list of
Line 2835 sub dump_with_regexp {	Line 2805 sub dump_with_regexp {

return 1;	return 1;
}	}

&register_handler("dump", \&dump_with_regexp, 0, 1, 0);	&register_handler("dump", \&dump_with_regexp, 0, 1, 0);

# Store a set of key=value pairs associated with a versioned name.	# Store a set of key=value pairs associated with a versioned name.
Line 2867 sub store_handler {	Line 2836 sub store_handler {
chomp($what);	chomp($what);
my @pairs=split(/\&/,$what);	my @pairs=split(/\&/,$what);
my $hashref = &tie_user_hash($udom, $uname, $namespace,	my $hashref = &tie_user_hash($udom, $uname, $namespace,
&GDBM_WRCREAT(), "P",	&GDBM_WRCREAT(), "S",
"$rid:$what");	"$rid:$what");
if ($hashref) {	if ($hashref) {
my $now = time;	my $now = time;
Line 2901 sub store_handler {	Line 2870 sub store_handler {
return 1;	return 1;
}	}
&register_handler("store", \&store_handler, 0, 1, 0);	&register_handler("store", \&store_handler, 0, 1, 0);

#	#
# Dump out all versions of a resource that has key=value pairs associated	# Dump out all versions of a resource that has key=value pairs associated
# with it for each version. These resources are built up via the store	# with it for each version. These resources are built up via the store
Line 3001 sub send_chat_handler {	Line 2971 sub send_chat_handler {
return 1;	return 1;
}	}
&register_handler("chatsend", \&send_chat_handler, 0, 1, 0);	&register_handler("chatsend", \&send_chat_handler, 0, 1, 0);

#	#
# Retrieve the set of chat messagss from a discussion board.	# Retrieve the set of chat messagss from a discussion board.
#	#
Line 3136 sub reply_query_handler {	Line 3107 sub reply_query_handler {
# $tail - Tail of the command. In this case consists of a colon	# $tail - Tail of the command. In this case consists of a colon
# separated list contaning the domain to apply this to and	# separated list contaning the domain to apply this to and
# an ampersand separated list of keyword=value pairs.	# an ampersand separated list of keyword=value pairs.
	# Each value is a colon separated list that includes:
	# description, institutional code and course owner.
	# For backward compatibility with versions included
	# in LON-CAPA 1.1.X (and earlier) and 1.2.X, institutional
	# code and/or course owner are preserved from the existing
	# record when writing a new record in response to 1.1 or
	# 1.2 implementations of lonnet::flushcourselogs().
	#
# $client - Socket open on the client.	# $client - Socket open on the client.
# Returns:	# Returns:
# 1 - indicating that processing should continue	# 1 - indicating that processing should continue
Line 3149 sub put_course_id_handler {	Line 3128 sub put_course_id_handler {

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

my ($udom, $what) = split(/:/, $tail);	my ($udom, $what) = split(/:/, $tail,2);
chomp($what);	chomp($what);
my $now=time;	my $now=time;
my @pairs=split(/\&/,$what);	my @pairs=split(/\&/,$what);
Line 3157 sub put_course_id_handler {	Line 3136 sub put_course_id_handler {
my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT());	my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT());
if ($hashref) {	if ($hashref) {
foreach my $pair (@pairs) {	foreach my $pair (@pairs) {
my ($key,$descr,$inst_code)=split(/=/,$pair);	my ($key,$courseinfo) = split(/=/,$pair,2);
$hashref->{$key}=$descr.':'.$inst_code.':'.$now;	$courseinfo =~ s/=/:/g;

	my @current_items = split(/:/,$hashref->{$key});
	shift(@current_items); # remove description
	pop(@current_items); # remove last access
	my $numcurrent = scalar(@current_items);

	my @new_items = split(/:/,$courseinfo);
	my $numnew = scalar(@new_items);
	if ($numcurrent > 0) {
	if ($numnew == 1) { # flushcourselogs() from 1.1 or earlier
	$courseinfo .= ':'.join(':',@current_items);
	} elsif ($numnew == 2) { # flushcourselogs() from 1.2.X
	$courseinfo .= ':'.$current_items[$numcurrent-1];
	}
	}
	$hashref->{$key}=$courseinfo.':'.$now;
}	}
if (untie(%$hashref)) {	if (untie(%$hashref)) {
&Reply( $client, "ok\n", $userinput);	&Reply( $client, "ok\n", $userinput);
Line 3196 sub put_course_id_handler {	Line 3191 sub put_course_id_handler {
# description - regular expression that is used to filter	# description - regular expression that is used to filter
# the dump. Only keywords matching this regexp	# the dump. Only keywords matching this regexp
# will be used.	# will be used.
	# institutional code - optional supplied code to filter
	# the dump. Only courses with an institutional code
	# that match the supplied code will be returned.
	# owner - optional supplied username of owner to filter
	# the dump. Only courses for which the course
	# owner matches the supplied username will be
	# returned. Implicit assumption that owner
	# is a user in the domain in which the
	# course database is defined.
# $client - The socket open on the client.	# $client - The socket open on the client.
# Returns:	# Returns:
# 1 - Continue processing.	# 1 - Continue processing.
Line 3206 sub dump_course_id_handler {	Line 3210 sub dump_course_id_handler {

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

my ($udom,$since,$description) =split(/:/,$tail);	my ($udom,$since,$description,$instcodefilter,$ownerfilter) =split(/:/,$tail);
if (defined($description)) {	if (defined($description)) {
$description=&unescape($description);	$description=&unescape($description);
} else {	} else {
$description='.';	$description='.';
}	}
	if (defined($instcodefilter)) {
	$instcodefilter=&unescape($instcodefilter);
	} else {
	$instcodefilter='.';
	}
	if (defined($ownerfilter)) {
	$ownerfilter=&unescape($ownerfilter);
	} else {
	$ownerfilter='.';
	}

unless (defined($since)) { $since=0; }	unless (defined($since)) { $since=0; }
my $qresult='';	my $qresult='';
my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT());	my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT());
if ($hashref) {	if ($hashref) {
while (my ($key,$value) = each(%$hashref)) {	while (my ($key,$value) = each(%$hashref)) {
my ($descr,$lasttime,$inst_code);	my ($descr,$lasttime,$inst_code,$owner);
if ($value =~ m/^([^\:]):([^\:]):(\d+)$/) {	my @courseitems = split(/:/,$value);
($descr,$inst_code,$lasttime)=($1,$2,$3);	$lasttime = pop(@courseitems);
} else {	($descr,$inst_code,$owner)=@courseitems;
($descr,$lasttime) = split(/\:/,$value);
}
if ($lasttime<$since) { next; }	if ($lasttime<$since) { next; }
if ($description eq '.') {	my $match = 1;
$qresult.=$key.'='.$descr.':'.$inst_code.'&';	unless ($description eq '.') {
} else {	my $unescapeDescr = &unescape($descr);
my $unescapeVal = &unescape($descr);	unless (eval('$unescapeDescr=~/\Q$description\E/i')) {
if (eval('$unescapeVal=~/\Q$description\E/i')) {	$match = 0;
$qresult.=$key.'='.$descr.':'.$inst_code.'&';
}	}
	}
	unless ($instcodefilter eq '.' \|\| !defined($instcodefilter)) {
	my $unescapeInstcode = &unescape($inst_code);
	unless (eval('$unescapeInstcode=~/\Q$instcodefilter\E/i')) {
	$match = 0;
	}
}	}
	unless ($ownerfilter eq '.' \|\| !defined($ownerfilter)) {
	my $unescapeOwner = &unescape($owner);
	unless (eval('$unescapeOwner=~/\Q$ownerfilter\E/i')) {
	$match = 0;
	}
	}
	if ($match == 1) {
	$qresult.=$key.'='.$descr.':'.$inst_code.':'.$owner.'&';
	}
}	}
if (untie(%$hashref)) {	if (untie(%$hashref)) {
chop($qresult);	chop($qresult);
Line 3295 sub put_id_handler {	Line 3322 sub put_id_handler {

return 1;	return 1;
}	}

&register_handler("idput", \&put_id_handler, 0, 1, 0);	&register_handler("idput", \&put_id_handler, 0, 1, 0);

#	#
# Retrieves a set of id values from the id database.	# Retrieves a set of id values from the id database.
# Returns an & separated list of results, one for each requested id to the	# Returns an & separated list of results, one for each requested id to the
Line 3345 sub get_id_handler {	Line 3372 sub get_id_handler {

return 1;	return 1;
}	}
	&register_handler("idget", \&get_id_handler, 0, 1, 0);
register_handler("idget", \&get_id_handler, 0, 1, 0);

#	#
# Process the tmpput command I'm not sure what this does.. Seems to	# Process the tmpput command I'm not sure what this does.. Seems to
Line 3389 sub tmp_put_handler {	Line 3415 sub tmp_put_handler {

}	}
&register_handler("tmpput", \&tmp_put_handler, 0, 1, 0);	&register_handler("tmpput", \&tmp_put_handler, 0, 1, 0);

# Processes the tmpget command. This command returns the contents	# Processes the tmpget command. This command returns the contents
# of a temporary resource file(?) created via tmpput.	# of a temporary resource file(?) created via tmpput.
#	#
Line 3401 sub tmp_put_handler {	Line 3428 sub tmp_put_handler {
# 1 - Inidcating processing can continue.	# 1 - Inidcating processing can continue.
# Side effects:	# Side effects:
# A reply is sent to the client.	# A reply is sent to the client.

#	#
sub tmp_get_handler {	sub tmp_get_handler {
my ($cmd, $id, $client) = @_;	my ($cmd, $id, $client) = @_;
Line 3424 sub tmp_get_handler {	Line 3450 sub tmp_get_handler {
return 1;	return 1;
}	}
&register_handler("tmpget", \&tmp_get_handler, 0, 1, 0);	&register_handler("tmpget", \&tmp_get_handler, 0, 1, 0);

#	#
# Process the tmpdel command. This command deletes a temp resource	# Process the tmpdel command. This command deletes a temp resource
# created by the tmpput command.	# created by the tmpput command.
Line 3457 sub tmp_del_handler {	Line 3484 sub tmp_del_handler {

}	}
&register_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);	&register_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);

#	#
# Processes the setannounce command. This command	# Processes the setannounce command. This command
# creates a file named announce.txt in the top directory of	# creates a file named announce.txt in the top directory of
Line 3495 sub set_announce_handler {	Line 3523 sub set_announce_handler {
return 1;	return 1;
}	}
&register_handler("setannounce", \&set_announce_handler, 0, 1, 0);	&register_handler("setannounce", \&set_announce_handler, 0, 1, 0);

#	#
# Return the version of the daemon. This can be used to determine	# Return the version of the daemon. This can be used to determine
# the compatibility of cross version installations or, alternatively to	# the compatibility of cross version installations or, alternatively to
Line 3519 sub get_version_handler {	Line 3548 sub get_version_handler {
return 1;	return 1;
}	}
&register_handler("version", \&get_version_handler, 0, 1, 0);	&register_handler("version", \&get_version_handler, 0, 1, 0);

# Set the current host and domain. This is used to support	# Set the current host and domain. This is used to support
# multihomed systems. Each IP of the system, or even separate daemons	# multihomed systems. Each IP of the system, or even separate daemons
# on the same IP can be treated as handling a separate lonCAPA virtual	# on the same IP can be treated as handling a separate lonCAPA virtual
Line 3655 sub validate_course_owner_handler {	Line 3685 sub validate_course_owner_handler {
return 1;	return 1;
}	}
&register_handler("autonewcourse", \&validate_course_owner_handler, 0, 1, 0);	&register_handler("autonewcourse", \&validate_course_owner_handler, 0, 1, 0);

#	#
# Validate a course section in the official schedule of classes	# Validate a course section in the official schedule of classes
# from the institutions point of view (part of autoenrollment).	# from the institutions point of view (part of autoenrollment).
Line 3735 sub create_auto_enroll_password_handler	Line 3766 sub create_auto_enroll_password_handler
#	#
# Returns:	# Returns:
# 1 - Continue processing.	# 1 - Continue processing.

sub retrieve_auto_file_handler {	sub retrieve_auto_file_handler {
my ($cmd, $tail, $client) = @_;	my ($cmd, $tail, $client) = @_;
my $userinput = "cmd:$tail";	my $userinput = "cmd:$tail";
Line 3820 sub get_institutional_code_format_handle	Line 3850 sub get_institutional_code_format_handle

return 1;	return 1;
}	}
	&register_handler("autoinstcodeformat",
	\&get_institutional_code_format_handler,0,1,0);

&register_handler("autoinstcodeformat", \&get_institutional_code_format_handler,
0,1,0);

#
#
#
#
#	#
	# Gets a student's photo to exist (in the correct image type) in the user's
	# directory.
	# Formal Parameters:
	# $cmd - The command request that got us dispatched.
	# $tail - A colon separated set of words that will be split into:
	# $domain - student's domain
	# $uname - student username
	# $type - image type desired
	# $client - The socket open on the client.
	# Returns:
	# 1 - continue processing.
	sub student_photo_handler {
	my ($cmd, $tail, $client) = @_;
	my ($domain,$uname,$type) = split(/:/, $tail);

	my $path=&propath($domain,$uname).
	'/userfiles/internal/studentphoto.'.$type;
	if (-e $path) {
	&Reply($client,"ok\n","$cmd:$tail");
	return 1;
	}
	&mkpath($path);
	my $file=&localstudentphoto::fetch($domain,$uname);
	if (!$file) {
	&Failure($client,"unavailable\n","$cmd:$tail");
	return 1;
	}
	if (!-e $path) { &convert_photo($file,$path); }
	if (-e $path) {
	&Reply($client,"ok\n","$cmd:$tail");
	return 1;
	}
	&Failure($client,"unable_to_convert\n","$cmd:$tail");
	return 1;
	}
	&register_handler("studentphoto", \&student_photo_handler, 0, 1, 0);

	# mkpath makes all directories for a file, expects an absolute path with a
	# file or a trailing / if just a dir is passed
	# returns 1 on success 0 on failure
	sub mkpath {
	my ($file)=@_;
	my @parts=split(/\//,$file,-1);
	my $now=$parts[0].'/'.$parts[1].'/'.$parts[2];
	for (my $i=3;$i<= ($#parts-1);$i++) {
	$now.='/'.$parts[$i];
	if (!-e $now) {
	if (!mkdir($now,0770)) { return 0; }
	}
	}
	return 1;
	}

#---------------------------------------------------------------	#---------------------------------------------------------------
#	#
# Getting, decoding and dispatching requests:	# Getting, decoding and dispatching requests:
#	#

#	#
# Get a Request:	# Get a Request:
# Gets a Request message from the client. The transaction	# Gets a Request message from the client. The transaction
Line 3940 sub process_request {	Line 4017 sub process_request {

}	}

#------------------- Commands not yet in spearate handlers. --------------	print $client "unknown_cmd\n";

#------------------------------- is auto-enrollment enabled?
if ($userinput =~/^autorun/) {
if (isClient) {
my ($cmd,$cdom) = split(/:/,$userinput);
my $outcome = &localenroll::run($cdom);
print $client "$outcome\n";
} else {
print $client "0\n";
}
#------------------------------- get official sections (for auto-enrollment).
} elsif ($userinput =~/^autogetsections/) {
if (isClient) {
my ($cmd,$coursecode,$cdom)=split(/:/,$userinput);
my @secs = &localenroll::get_sections($coursecode,$cdom);
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 ($cmd,$inst_course_id,$owner,$cdom)=split(/:/,$userinput);
my $outcome = &localenroll::new_course($inst_course_id,$owner,$cdom);
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 ($cmd,$inst_course_id,$cdom)=split(/:/,$userinput);
my $outcome=&localenroll::validate_courseID($inst_course_id,$cdom);
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,$cdom)=split(/:/,$userinput);
my ($create_passwd,$authchk);
($authparam,$create_passwd,$authchk) = &localenroll::create_password($authparam,$cdom);
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 $client "refused\n";
}
#--------------------- read and retrieve institutional code format
# (for support form).
} elsif ($userinput =~/^autoinstcodeformat/) {
if (isClient) {
my $reply;
my($cmd,$cdom,$course) = split(/:/,$userinput);
my @pairs = split/\&/,$course;
my %instcodes = ();
my %codes = ();
my @codetitles = ();
my %cat_titles = ();
my %cat_order = ();
foreach (@pairs) {
my ($key,$value) = split/=/,$_;
$instcodes{&unescape($key)} = &unescape($value);
}
my $formatreply = &localenroll::instcode_format($cdom,\%instcodes,\%codes,\@codetitles,\%cat_titles,\%cat_order);
if ($formatreply eq 'ok') {
my $codes_str = &hash2str(%codes);
my $codetitles_str = &array2str(@codetitles);
my $cat_titles_str = &hash2str(%cat_titles);
my $cat_order_str = &hash2str(%cat_order);
print $client $codes_str.':'.$codetitles_str.':'.$cat_titles_str.':'.$cat_order_str."\n";
}
} else {
print $client "refused\n";
}
# ------------------------------------------------------------- unknown command

} else {
# unknown command
print $client "unknown_cmd\n";
}
# -------------------------------------------------------------------- complete	# -------------------------------------------------------------------- complete
Debug("process_request - returning 1");	Debug("process_request - returning 1");
return 1;	return 1;
Line 4309 sub ReadHostTable {	Line 4279 sub ReadHostTable {
my $myloncapaname = $perlvar{'lonHostID'};	my $myloncapaname = $perlvar{'lonHostID'};
Debug("My loncapa name is : $myloncapaname");	Debug("My loncapa name is : $myloncapaname");
while (my $configline=<CONFIG>) {	while (my $configline=<CONFIG>) {
if (!($configline =~ /^\s*\#/)) {	if ($configline !~ /^\s\#/ && $configline !~ /^\s$/ ) {
my ($id,$domain,$role,$name,$ip)=split(/:/,$configline);	my ($id,$domain,$role,$name)=split(/:/,$configline);
chomp($ip); $ip=~s/\D+$//;	$name=~s/\s//g;
	my (undef,undef,undef,undef,$ip) = gethostbyname($name);
	if (length($ip) ne 4) {
	&logthis("Skipping host $id name $name no IP $ip found\n");
	next;
	}
	$ip=inet_ntoa($ip);
$hostid{$ip}=$id; # LonCAPA name of host by IP.	$hostid{$ip}=$id; # LonCAPA name of host by IP.
$hostdom{$id}=$domain; # LonCAPA domain name of host.	$hostdom{$id}=$domain; # LonCAPA domain name of host.
$hostip{$id}=$ip; # IP address of host.	$hostip{$id}=$ip; # IP address of host.
$hostdns{$name} = $id; # LonCAPA name of host by DNS.	$hostdns{$name} = $id; # LonCAPA name of host by DNS.

if ($id eq $perlvar{'lonHostID'}) {	if ($id eq $perlvar{'lonHostID'}) {
Line 4495 sub logstatus {	Line 4471 sub logstatus {
flock(LOG,LOCK_EX);	flock(LOG,LOCK_EX);
print LOG $$."\t".$clientname."\t".$currenthostid."\t"	print LOG $$."\t".$clientname."\t".$currenthostid."\t"
.$status."\t".$lastlog."\t $keymode\n";	.$status."\t".$lastlog."\t $keymode\n";
flock(DB,LOCK_UN);	flock(LOG,LOCK_UN);
close(LOG);	close(LOG);
}	}
&status("Finished logging");	&status("Finished logging");
Line 4726 sub make_new_child {	Line 4702 sub make_new_child {
if (defined($iaddr)) {	if (defined($iaddr)) {
$clientip = inet_ntoa($iaddr);	$clientip = inet_ntoa($iaddr);
Debug("Connected with $clientip");	Debug("Connected with $clientip");
$clientdns = gethostbyaddr($iaddr, AF_INET);
Debug("Connected with $clientdns by name");
} else {	} else {
&logthis("Unable to determine clientip");	&logthis("Unable to determine clientip");
$clientip='Unavailable';	$clientip='Unavailable';
Line 4767 sub make_new_child {	Line 4741 sub make_new_child {

ReadManagerTable; # May also be a manager!!	ReadManagerTable; # May also be a manager!!

my $clientrec=($hostid{$clientip} ne undef);	my $outsideip=$clientip;
my $ismanager=($managers{$clientip} ne undef);	if ($clientip eq '127.0.0.1') {
	$outsideip=$hostip{$perlvar{'lonHostID'}};
	}

	my $clientrec=($hostid{$outsideip} ne undef);
	my $ismanager=($managers{$outsideip} ne undef);
$clientname = "[unknonwn]";	$clientname = "[unknonwn]";
if($clientrec) { # Establish client type.	if($clientrec) { # Establish client type.
$ConnectionType = "client";	$ConnectionType = "client";
$clientname = $hostid{$clientip};	$clientname = $hostid{$outsideip};
if($ismanager) {	if($ismanager) {
$ConnectionType = "both";	$ConnectionType = "both";
}	}
} else {	} else {
$ConnectionType = "manager";	$ConnectionType = "manager";
$clientname = $managers{$clientip};	$clientname = $managers{$outsideip};
}	}
my $clientok;	my $clientok;

Line 4922 sub make_new_child {	Line 4901 sub make_new_child {
exit;	exit;

}	}
	#
	# Determine if a user is an author for the indicated domain.
	#
	# Parameters:
	# domain - domain to check in .
	# user - Name of user to check.
	#
	# Return:
	# 1 - User is an author for domain.
	# 0 - User is not an author for domain.
	sub is_author {
	my ($domain, $user) = @_;

	&Debug("is_author: $user @ $domain");

	my $hashref = &tie_user_hash($domain, $user, "roles",
	&GDBM_READER());

	# Author role should show up as a key /domain/_au

	my $key = "/$domain/_au";
	my $value = $hashref->{$key};

	if(defined($value)) {
	&Debug("$user @ $domain is an author");
	}

	return defined($value);
	}
#	#
# Checks to see if the input roleput request was to set	# Checks to see if the input roleput request was to set
# an author role. If so, invokes the lchtmldir script to set	# an author role. If so, invokes the lchtmldir script to set
Line 4938 sub make_new_child {	Line 4944 sub make_new_child {
sub manage_permissions	sub manage_permissions
{	{


my ($request, $domain, $user, $authtype) = @_;	my ($request, $domain, $user, $authtype) = @_;

	&Debug("manage_permissions: $request $domain $user $authtype");

# See if the request is of the form /$domain/_au	# See if the request is of the form /$domain/_au
if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput...	if($request =~ /^(\/$domain\/_au)$/) { # It's an author rolesput...
my $execdir = $perlvar{'lonDaemons'};	my $execdir = $perlvar{'lonDaemons'};
my $userhome= "/home/$user" ;	my $userhome= "/home/$user" ;
&logthis("system $execdir/lchtmldir $userhome $user $authtype");	&logthis("system $execdir/lchtmldir $userhome $user $authtype");
	&Debug("Setting homedir permissions for $userhome");
system("$execdir/lchtmldir $userhome $user $authtype");	system("$execdir/lchtmldir $userhome $user $authtype");
}	}
}	}
Line 4960 sub manage_permissions	Line 4970 sub manage_permissions
#	#
sub password_path {	sub password_path {
my ($domain, $user) = @_;	my ($domain, $user) = @_;
	return &propath($domain, $user).'/passwd';

my $path = &propath($domain, $user);
$path .= "/passwd";

return $path;
}	}

# Password Filename	# Password Filename
Line 5040 sub get_auth_type	Line 5045 sub get_auth_type
Debug("Password info = $realpassword\n");	Debug("Password info = $realpassword\n");
my ($authtype, $contentpwd) = split(/:/, $realpassword);	my ($authtype, $contentpwd) = split(/:/, $realpassword);
Debug("Authtype = $authtype, content = $contentpwd\n");	Debug("Authtype = $authtype, content = $contentpwd\n");
my $availinfo = '';	return "$authtype:$contentpwd";
if($authtype eq 'krb4' or $authtype eq 'krb5') {
$availinfo = $contentpwd;
}

return "$authtype:$availinfo";
} else {	} else {
Debug("Returning nouser");	Debug("Returning nouser");
return "nouser";	return "nouser";
Line 5143 sub validate_user {	Line 5143 sub validate_user {
my $krbserver = &Authen::Krb5::parse_name($krbservice);	my $krbserver = &Authen::Krb5::parse_name($krbservice);
my $credentials= &Authen::Krb5::cc_default();	my $credentials= &Authen::Krb5::cc_default();
$credentials->initialize($krbclient);	$credentials->initialize($krbclient);
my $krbreturn = &Authen::KRb5::get_in_tkt_with_password($krbclient,	my $krbreturn = &Authen::Krb5::get_in_tkt_with_password($krbclient,
$krbserver,	$krbserver,
$password,	$password,
$credentials);	$credentials);
Line 5394 sub make_passwd_file {	Line 5394 sub make_passwd_file {
if ($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");
print $pf "$umode:$npass\n";	if ($pf) {
	print $pf "$umode:$npass\n";
	} else {
	$result = "pass_file_failed_error";
	}
}	}
} elsif ($umode eq 'internal') {	} elsif ($umode eq 'internal') {
my $salt=time;	my $salt=time;
Line 5403 sub make_passwd_file {	Line 5407 sub make_passwd_file {
{	{
&Debug("Creating internal auth");	&Debug("Creating internal auth");
my $pf = IO::File->new(">$passfilename");	my $pf = IO::File->new(">$passfilename");
print $pf "internal:$ncpass\n";	if($pf) {
	print $pf "internal:$ncpass\n";
	} else {
	$result = "pass_file_failed_error";
	}
}	}
} elsif ($umode eq 'localauth') {	} elsif ($umode eq 'localauth') {
{	{
my $pf = IO::File->new(">$passfilename");	my $pf = IO::File->new(">$passfilename");
print $pf "localauth:$npass\n";	if($pf) {
	print $pf "localauth:$npass\n";
	} else {
	$result = "pass_file_failed_error";
	}
}	}
} elsif ($umode eq 'unix') {	} elsif ($umode eq 'unix') {
{	{
Line 5447 sub make_passwd_file {	Line 5459 sub make_passwd_file {
$result = "lcuseradd_failed:$error_text\n";	$result = "lcuseradd_failed:$error_text\n";
} else {	} else {
my $pf = IO::File->new(">$passfilename");	my $pf = IO::File->new(">$passfilename");
print $pf "unix:\n";	if($pf) {
	print $pf "unix:\n";
	} else {
	$result = "pass_file_failed_error";
	}
}	}
}	}
} elsif ($umode eq 'none') {	} elsif ($umode eq 'none') {
{	{
my $pf = IO::File->new("> $passfilename");	my $pf = IO::File->new("> $passfilename");
print $pf "none:\n";	if($pf) {
	print $pf "none:\n";
	} else {
	$result = "pass_file_failed_error";
	}
}	}
} else {	} else {
$result="auth_mode_error\n";	$result="auth_mode_error\n";
Line 5461 sub make_passwd_file {	Line 5481 sub make_passwd_file {
return $result;	return $result;
}	}

	sub convert_photo {
	my ($start,$dest)=@_;
	system("convert $start $dest");
	}

sub sethost {	sub sethost {
my ($remotereq) = @_;	my ($remotereq) = @_;
my (undef,$hostid)=split(/:/,$remotereq);	my (undef,$hostid)=split(/:/,$remotereq);

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

500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

Removed from v.1.258
changed lines
	Added in v.1.278