loncom/lond - diff

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Diff for /loncom/lond between versions 1.489.2.31 and 1.493

version 1.489.2.31, 2019/07/26 20:19:35	version 1.493, 2012/04/26 20:00:57
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 133 my @passwderrors = ("ok",	Line 130 my @passwderrors = ("ok",
"pwchange_failure - lcpasswd Error filename is invalid");	"pwchange_failure - lcpasswd Error filename is invalid");


	# The array below are lcuseradd error strings.:

	my $lastadderror = 13;
	my @adderrors = ("ok",
	"User ID mismatch, lcuseradd must run as user www",
	"lcuseradd Incorrect number of command line parameters must be 3",
	"lcuseradd Incorrect number of stdinput lines, must be 3",
	"lcuseradd Too many other simultaneous pwd changes in progress",
	"lcuseradd User does not exist",
	"lcuseradd Unable to make www member of users's group",
	"lcuseradd Unable to su to root",
	"lcuseradd Unable to set password",
	"lcuseradd Username has invalid characters",
	"lcuseradd Password has an invalid character",
	"lcuseradd User already exists",
	"lcuseradd Could not add user.",
	"lcuseradd Password mismatch");


# This array are the errors from lcinstallfile:	# This array are the errors from lcinstallfile:

my @installerrors = ("ok",	my @installerrors = ("ok",
"Initial user id of client not that of www",	"Initial user id of client not that of www",
"Usage error, not enough command line arguments",	"Usage error, not enough command line arguments",
"Source filename does not exist",	"Source file name does not exist",
"Destination filename does not exist",	"Destination file name does not exist",
"Some file operation failed",	"Some file operation failed",
"Invalid table filename."	"Invalid table filename."
);	);
Line 624 sub ConfigFileFromSelector {	Line 640 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 654 sub PushFile {	Line 670 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 1425 sub du2_handler {	Line 1403 sub du2_handler {
# selected directory the filename followed by the full output of	# selected directory the filename followed by the full output of
# the stat function is returned. The returned info for each	# the stat function is returned. The returned info for each
# file are separated by ':'. The stat fields are separated by &'s.	# file are separated by ':'. The stat fields are separated by &'s.
#
# If the requested path contains /../ or is:
#
# 1. for a directory, and the path does not begin with one of:
# (a) /home/httpd/html/res/<domain>
# (b) /home/httpd/html/userfiles/
# (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
# or is:
#
# 2. for a file, and the path (after prepending) does not begin with one of:
# (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
# (b) /home/httpd/html/res/<domain>/<username>/
# (c) /home/httpd/html/userfiles/<domain>/<username>/
#
# the response will be "refused".
#
# Parameters:	# Parameters:
# $cmd - The command that dispatched us (ls).	# $cmd - The command that dispatched us (ls).
# $ulsdir - The directory path to list... I'm not sure what this	# $ulsdir - The directory path to list... I'm not sure what this
Line 1462 sub ls_handler {	Line 1424 sub ls_handler {
my $rights;	my $rights;
my $ulsout='';	my $ulsout='';
my $ulsfn;	my $ulsfn;
if ($ulsdir =~m{/\.\./}) {
&Failure($client,"refused\n",$userinput);
return 1;
}
if (-e $ulsdir) {	if (-e $ulsdir) {
if(-d $ulsdir) {	if(-d $ulsdir) {
unless (($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain\|userfiles/)}) \|\|
($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles})) {
&Failure($client,"refused\n",$userinput);
return 1;
}
if (opendir(LSDIR,$ulsdir)) {	if (opendir(LSDIR,$ulsdir)) {
while ($ulsfn=readdir(LSDIR)) {	while ($ulsfn=readdir(LSDIR)) {
undef($obs);	undef($obs);
Line 1496 sub ls_handler {	Line 1449 sub ls_handler {
closedir(LSDIR);	closedir(LSDIR);
}	}
} else {	} else {
unless (($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) \|\|
($ulsdir =~ m{^/home/httpd/html/(?:res\|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/})) {
&Failure($client,"refused\n",$userinput);
return 1;
}
my @ulsstats=stat($ulsdir);	my @ulsstats=stat($ulsdir);
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';	$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
}	}
Line 1525 sub ls_handler {	Line 1473 sub ls_handler {
# selected directory the filename followed by the full output of	# selected directory the filename followed by the full output of
# the stat function is returned. The returned info for each	# the stat function is returned. The returned info for each
# file are separated by ':'. The stat fields are separated by &'s.	# file are separated by ':'. The stat fields are separated by &'s.
#
# If the requested path contains /../ or is:
#
# 1. for a directory, and the path does not begin with one of:
# (a) /home/httpd/html/res/<domain>
# (b) /home/httpd/html/userfiles/
# (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
# or is:
#
# 2. for a file, and the path (after prepending) does not begin with one of:
# (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
# (b) /home/httpd/html/res/<domain>/<username>/
# (c) /home/httpd/html/userfiles/<domain>/<username>/
#
# the response will be "refused".
#
# Parameters:	# Parameters:
# $cmd - The command that dispatched us (ls).	# $cmd - The command that dispatched us (ls).
# $ulsdir - The directory path to list... I'm not sure what this	# $ulsdir - The directory path to list... I'm not sure what this
Line 1561 sub ls2_handler {	Line 1493 sub ls2_handler {
my $rights;	my $rights;
my $ulsout='';	my $ulsout='';
my $ulsfn;	my $ulsfn;
if ($ulsdir =~m{/\.\./}) {
&Failure($client,"refused\n",$userinput);
return 1;
}
if (-e $ulsdir) {	if (-e $ulsdir) {
if(-d $ulsdir) {	if(-d $ulsdir) {
unless (($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain\|userfiles/)}) \|\|
($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles})) {
&Failure($client,"refused\n","$userinput");
return 1;
}
if (opendir(LSDIR,$ulsdir)) {	if (opendir(LSDIR,$ulsdir)) {
while ($ulsfn=readdir(LSDIR)) {	while ($ulsfn=readdir(LSDIR)) {
undef($obs);	undef($obs);
Line 1596 sub ls2_handler {	Line 1519 sub ls2_handler {
closedir(LSDIR);	closedir(LSDIR);
}	}
} else {	} else {
unless (($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) \|\|
($ulsdir =~ m{^/home/httpd/html/(?:res\|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/})) {
&Failure($client,"refused\n",$userinput);
return 1;
}
my @ulsstats=stat($ulsdir);	my @ulsstats=stat($ulsdir);
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';	$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
}	}
Line 1617 sub ls2_handler {	Line 1535 sub ls2_handler {
# selected directory the filename followed by the full output of	# selected directory the filename followed by the full output of
# the stat function is returned. The returned info for each	# the stat function is returned. The returned info for each
# file are separated by ':'. The stat fields are separated by &'s.	# file are separated by ':'. The stat fields are separated by &'s.
#
# If the requested path (after prepending) contains /../ or is:
#
# 1. for a directory, and the path does not begin with one of:
# (a) /home/httpd/html/res/<domain>
# (b) /home/httpd/html/userfiles/
# (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
# (d) /home/httpd/html/priv/<domain> and client is the homeserver
#
# or is:
#
# 2. for a file, and the path (after prepending) does not begin with one of:
# (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
# (b) /home/httpd/html/res/<domain>/<username>/
# (c) /home/httpd/html/userfiles/<domain>/<username>/
# (d) /home/httpd/html/priv/<domain>/<username>/ and client is the homeserver
#
# the response will be "refused".
#
# Parameters:	# Parameters:
# $cmd - The command that dispatched us (ls).	# $cmd - The command that dispatched us (ls).
# $tail - The tail of the request that invoked us.	# $tail - The tail of the request that invoked us.
Line 1675 sub ls3_handler {	Line 1574 sub ls3_handler {
}	}

my $dir_root = $perlvar{'lonDocRoot'};	my $dir_root = $perlvar{'lonDocRoot'};
if (($getpropath) \|\| ($getuserdir)) {	if ($getpropath) {
if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {	if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {
$dir_root = &propath($udom,$uname);	$dir_root = &propath($udom,$uname);
$dir_root =~ s/\/$//;	$dir_root =~ s/\/$//;
} else {	} else {
&Failure($client,"refused\n",$userinput);	&Failure($client,"refused\n","$cmd:$tail");
	return 1;
	}
	} elsif ($getuserdir) {
	if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {
	my $subdir=$uname.'__';
	$subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
	$dir_root = $Apache::lonnet::perlvar{'lonUsersDir'}
	."/$udom/$subdir/$uname";
	} else {
	&Failure($client,"refused\n","$cmd:$tail");
return 1;	return 1;
}	}
} elsif ($alternate_root ne '') {	} elsif ($alternate_root ne '') {
Line 1693 sub ls3_handler {	Line 1602 sub ls3_handler {
$ulsdir = $dir_root.'/'.$ulsdir;	$ulsdir = $dir_root.'/'.$ulsdir;
}	}
}	}
if ($ulsdir =~m{/\.\./}) {
&Failure($client,"refused\n",$userinput);
return 1;
}
my $islocal;
my @machine_ids = &Apache::lonnet::current_machine_ids();
if (grep(/^\Q$clientname\E$/,@machine_ids)) {
$islocal = 1;
}
my $obs;	my $obs;
my $rights;	my $rights;
my $ulsout='';	my $ulsout='';
my $ulsfn;	my $ulsfn;
if (-e $ulsdir) {	if (-e $ulsdir) {
if(-d $ulsdir) {	if(-d $ulsdir) {
unless (($getpropath) \|\| ($getuserdir) \|\|
($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain\|userfiles/)}) \|\|
($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles}) \|\|
(($ulsdir =~ m{^/home/httpd/html/priv/$LONCAPA::match_domain}) && ($islocal))) {
&Failure($client,"refused\n",$userinput);
return 1;
}
if (opendir(LSDIR,$ulsdir)) {	if (opendir(LSDIR,$ulsdir)) {
while ($ulsfn=readdir(LSDIR)) {	while ($ulsfn=readdir(LSDIR)) {
undef($obs);	undef($obs);
Line 1739 sub ls3_handler {	Line 1632 sub ls3_handler {
closedir(LSDIR);	closedir(LSDIR);
}	}
} else {	} else {
unless (($getpropath) \|\| ($getuserdir) \|\|
($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) \|\|
($ulsdir =~ m{^/home/httpd/html/(?:res\|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/}) \|\|
(($ulsdir =~ m{^/home/httpd/html/priv/$LONCAPA::match_domain/$LONCAPA::match_name/}) && ($islocal))) {
&Failure($client,"refused\n",$userinput);
return 1;
}
my @ulsstats=stat($ulsdir);	my @ulsstats=stat($ulsdir);
$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';	$ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
}	}
Line 1796 sub read_lonnet_global {	Line 1682 sub read_lonnet_global {
}	}
if ($what eq 'perlvar') {	if ($what eq 'perlvar') {
if (!exists($packagevars{$what}{'lonBalancer'})) {	if (!exists($packagevars{$what}{'lonBalancer'})) {
if ($dist =~ /^(centos\|rhes\|fedora\|scientific\|oracle)/) {	if ($dist =~ /^(centos\|rhes\|fedora\|scientific)/) {
my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf');	my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf');
if (ref($othervarref) eq 'HASH') {	if (ref($othervarref) eq 'HASH') {
$items->{'lonBalancer'} = $othervarref->{'lonBalancer'};	$items->{'lonBalancer'} = $othervarref->{'lonBalancer'};
Line 1818 sub read_lonnet_global {	Line 1704 sub read_lonnet_global {
sub server_devalidatecache_handler {	sub server_devalidatecache_handler {
my ($cmd,$tail,$client) = @_;	my ($cmd,$tail,$client) = @_;
my $userinput = "$cmd:$tail";	my $userinput = "$cmd:$tail";
my $items = &unescape($tail);	my ($name,$id) = map { &unescape($_); } split(/:/,$tail);
my @cached = split(/\&/,$items);	&Apache::lonnet::devalidate_cache_new($name,$id);
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,$userinput);
return 1;	return 1;
Line 2027 sub authenticate_handler {	Line 1907 sub authenticate_handler {
if (ref($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 2112 sub change_password_handler {	Line 1988 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 $ncpass = &hash_passwd($udom,$npass);	my $salt=time;
	$salt=substr($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 $uname passwd "
Line 2128 sub change_password_handler {	Line 2005 sub change_password_handler {
}	}
} elsif ($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 2153 sub change_password_handler {	Line 2027 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 %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
my $defaultcost = $domdefaults{'intauth_cost'};
if (($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 2228 sub add_user_handler {	Line 2070 sub add_user_handler {
."makeuser";	."makeuser";
}	}
unless ($fperror) {	unless ($fperror) {
my $result=&make_passwd_file($uname,$udom,$umode,$npass,	my $result=&make_passwd_file($uname,$udom,$umode,$npass, $passfilename);
$passfilename,'makeuser');
&Reply($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 2290 sub change_authentication_handler {	Line 2131 sub change_authentication_handler {
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!!
# If just changing the unix passwd. need to arrange to run	# If just changing the unix passwd. need to arrange to run
# passwd since otherwise make_passwd_file will fail as	# passwd since otherwise make_passwd_file will run
# creation of unix authenticated users is no longer supported	# lcuseradd which fails if an account already exists
# except from the command line, when running make_domain_coordinator.pl	# (to prevent an unscrupulous LONCAPA admin from stealing
	# an existing account by overwriting it as a LonCAPA account).

if(($oldauth =~/^unix/) && ($umode eq "unix")) {	if(($oldauth =~/^unix/) && ($umode eq "unix")) {
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,	my $result=&make_passwd_file($uname,$udom,$umode,$npass,$passfilename);
$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,
# re-run manage_permissions for that role in order to be able	# re-run manage_permissions for that role in order to be able
# to take ownership of the construction space back to www:www	# 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);
}	}

Line 2326 sub change_authentication_handler {	Line 2173 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 2429 sub update_resource_handler {	Line 2265 sub update_resource_handler {
}	}
alarm(0);	alarm(0);
if ($response->is_error()) {	if ($response->is_error()) {
my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname");	# FIXME: we should probably clean up here instead of just whine
&devalidate_meta_cache($fname);	unlink($transname);
if (-e $transname) {
unlink($transname);
}
unlink($fname);
my $message=$response->status_line;	my $message=$response->status_line;
&logthis("LWP GET: $message for $fname ($remoteurl)");	&logthis("LWP GET: $message for $fname ($remoteurl)");
} else {	} else {
Line 2538 sub fetch_user_file_handler {	Line 2370 sub fetch_user_file_handler {
unlink($transname);	unlink($transname);
&Failure($client, "failed\n", $userinput);	&Failure($client, "failed\n", $userinput);
} else {	} else {
if ($fname =~ /^default.+\.(page\|sequence)$/) {
my ($major,$minor) = split(/\./,$clientversion);
if (($major < 2) \|\| ($major == 2 && $minor < 11)) {
my $now = time;
&Apache::lonnet::do_cache_new('crschange',$udom.'_'.$uname,$now,600);
my $key = &escape('internal.contentchange');
my $what = "$key=$now";
my $hashref = &tie_user_hash($udom,$uname,'environment',
&GDBM_WRCREAT(),"P",$what);
if ($hashref) {
$hashref->{$key}=$now;
if (!&untie_user_hash($hashref)) {
&logthis("error: ".($!+0)." untie (GDBM) failed ".
"when updating internal.contentchange");
}
}
}
}
&Reply($client, "ok\n", $userinput);	&Reply($client, "ok\n", $userinput);
}	}
}	}
Line 2592 sub remove_user_file_handler {	Line 2406 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 appropriate	# removed, in which case rmdir is more approprate:
# 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 2968 sub newput_user_profile_entry {	Line 2773 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->{$key})) {
if (!&untie_user_hash($hashref)) {
&logthis("error: ".($!+0)." untie (GDBM) failed ".
"while attempting newput - early out as key exists");
}
&Failure($client, "key_exists: ".$key."\n",$userinput);	&Failure($client, "key_exists: ".$key."\n",$userinput);
return 1;	return 1;
}	}
Line 3453 sub dump_profile_database {	Line 3254 sub dump_profile_database {
sub dump_with_regexp {	sub dump_with_regexp {
my ($cmd, $tail, $client) = @_;	my ($cmd, $tail, $client) = @_;

my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);	my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientname, $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 3475 sub dump_with_regexp {	Line 3276 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 3486 sub dump_with_regexp {	Line 3284 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 $numtrans;	my @previouskeys=split(/&/,$hashref->{"keys:$rid"});
if ($laststore) {	my $key;
my ($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 3539 sub store_handler {	Line 3313 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)) {
my $msg = 'ok';	&Reply($client, "ok\n", $userinput);
if ($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 3805 sub send_query_handler {	Line 3575 sub send_query_handler {

my ($query,$arg1,$arg2,$arg3)=split(/\:/,$tail);	my ($query,$arg1,$arg2,$arg3)=split(/\:/,$tail);
$query=~s/\n*$//g;	$query=~s/\n*$//g;
if (($query eq 'usersearch') \|\| ($query eq 'instdirsearch')) {
my $usersearchconf = &get_usersearch_config($currentdomainid,'directorysrch');
my $earlyout;
if (ref($usersearchconf) eq 'HASH') {
if ($currentdomainid eq $clienthomedom) {
if ($query eq 'usersearch') {
if ($usersearchconf->{'lcavailable'} eq '0') {
$earlyout = 1;
}
} else {
if ($usersearchconf->{'available'} eq '0') {
$earlyout = 1;
}
}
} else {
if ($query eq 'usersearch') {
if ($usersearchconf->{'lclocalonly'}) {
$earlyout = 1;
}
} else {
if ($usersearchconf->{'localonly'}) {
$earlyout = 1;
}
}
}
}
if ($earlyout) {
&Reply($client, "query_not_authorized\n");
return 1;
}
}
&Reply($client, "". &sql_reply("$clientname\&$query".	&Reply($client, "". &sql_reply("$clientname\&$query".
"\&$arg1"."\&$arg2"."\&$arg3")."\n",	"\&$arg1"."\&$arg2"."\&$arg3")."\n",
$userinput);	$userinput);
Line 4090 sub put_course_id_hash_handler {	Line 3829 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.	# $client - The socket open on the client.
# Returns:	# Returns:
Line 4106 sub dump_course_id_handler {	Line 3843 sub dump_course_id_handler {
my ($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,$hasuniquecode) =split(/:/,$tail);	$creationcontext,$domcloner) =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 4179 sub dump_course_id_handler {	Line 3916 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 4270 sub dump_course_id_handler {	Line 4004 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 4695 sub get_id_handler {	Line 4426 sub get_id_handler {
}	}
&register_handler("idget", \&get_id_handler, 0, 1, 0);	&register_handler("idget", \&get_id_handler, 0, 1, 0);

# Deletes one or more ids in a domain's id database.
#
# Parameters:
# $cmd - Command keyword (iddel).
# $tail - Command tail. In this case a colon
# separated list containing:
# The domain for which we are deleting the id(s).
# &-separated list of id(s) to delete.
# $client - File open on client socket.
# Returns:
# 1 - Continue processing
# 0 - Exit server.
#
#

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

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

my ($udom,$what)=split(/:/,$tail);
chomp($what);
my $hashref = &tie_domain_hash($udom, "ids", &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 iddel\n", $userinput);
}
} else {
&Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
"while attempting iddel\n", $userinput);
}
return 1;
}
&register_handler("iddel", \&del_id_handler, 0, 1, 0);

#	#
# Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database	# Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database
#	#
Line 5286 sub validate_instcode_handler {	Line 4974 sub validate_instcode_handler {
my ($dom,$instcode,$owner) = split(/:/, $tail);	my ($dom,$instcode,$owner) = split(/:/, $tail);
$instcode = &unescape($instcode);	$instcode = &unescape($instcode);
$owner = &unescape($owner);	$owner = &unescape($owner);
my ($outcome,$description,$credits) =	my ($outcome,$description) =
&localenroll::validate_instcode($dom,$instcode,$owner);	&localenroll::validate_instcode($dom,$instcode,$owner);
my $result = &escape($outcome).'&'.&escape($description).'&'.	my $result = &escape($outcome).'&'.&escape($description);
&escape($credits);
&Reply($client, \$result, $userinput);	&Reply($client, \$result, $userinput);

return 1;	return 1;
Line 5392 sub validate_course_section_handler {	Line 5079 sub validate_course_section_handler {
# Formal Parameters:	# Formal Parameters:
# $cmd - The command request that got us dispatched.	# $cmd - The command request that got us dispatched.
# $tail - The tail of the command. In this case this is a colon separated	# $tail - The tail of the command. In this case this is a colon separated
# set of values that will be split into:	# set of words that will be split into:
# $inst_class - Institutional code for the specific class section	# $inst_class - Institutional code for the specific class section
# $ownerlist - An escaped comma-separated list of username:domain	# $courseowner - The escaped username:domain of the course owner
# of the course owner, and co-owner(s).
# $cdom - The domain of the course from the institution's	# $cdom - The domain of the course from the institution's
# point of view.	# point of view.
# $client - The socket open on the client.	# $client - The socket open on the client.
Line 5420 sub validate_class_access_handler {	Line 5106 sub validate_class_access_handler {
&register_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0);	&register_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0);

#	#
# Validate course owner or co-owners(s) access to enrollment data for all sections
# and crosslistings for a particular course.
#
#
# Formal Parameters:
# $cmd - The command request that got us dispatched.
# $tail - The tail of the command. In this case this is a colon separated
# set of values that will be split into:
# $ownerlist - An escaped comma-separated list of username:domain
# of the course owner, and co-owner(s).
# $cdom - The domain of the course from the institution's
# point of view.
# $classes - Frozen hash of institutional course sections and
# crosslistings.
# $client - The socket open on the client.
# Returns:
# 1 - continue processing.
#

sub validate_classes_handler {
my ($cmd, $tail, $client) = @_;
my $userinput = "$cmd:$tail";
my ($ownerlist,$cdom,$classes) = split(/:/, $tail);
my $classesref = &Apache::lonnet::thaw_unescape($classes);
my $owners = &unescape($ownerlist);
my $result;
eval {
local($SIG{__DIE__})='DEFAULT';
my %validations;
my $response = &localenroll::check_instclasses($owners,$cdom,$classesref,
\%validations);
if ($response eq 'ok') {
foreach my $key (keys(%validations)) {
$result .= &escape($key).'='.&Apache::lonnet::freeze_escape($validations{$key}).'&';
}
$result =~ s/\&$//;
} else {
$result = 'error';
}
};
if (!$@) {
&Reply($client, \$result, $userinput);
} else {
&Failure($client,"unknown_cmd\n",$userinput);
}
return 1;
}
&register_handler("autovalidateinstclasses", \&validate_classes_handler, 0, 1, 0);

#
# Create a password for a new LON-CAPA user added by auto-enrollment.	# Create a password for a new LON-CAPA user added by auto-enrollment.
# Only used for case where authentication method for new user is localauth	# Only used for case where authentication method for new user is localauth
#	#
Line 5504 sub create_auto_enroll_password_handler	Line 5140 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:
# $cmd - The command that got us dispatched.	# $cmd - The command that got us dispatched.
# $tail - The tail of the command. In our case this is a colon	# $tail - The tail of the command. In our case this is a colon
# separated list that will be split into:	# separated list that will be split into:
# $filename - The name of the file to retrieve.	# $filename - The name of the file to remove.
# The filename is given as a path relative to	# The filename is given as a path relative to
# the LonCAPA temp file directory.	# the LonCAPA temp file directory.
# $client - Socket open on the client.	# $client - Socket open on the client.
Line 5570 sub retrieve_auto_file_handler {	Line 5160 sub retrieve_auto_file_handler {
my ($filename) = split(/:/, $tail);	my ($filename) = split(/:/, $tail);

my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;	my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;
if ($filename =~m{/\.\./}) {	if ( (-e $source) && ($filename ne '') ) {
&Failure($client, "refused\n", $userinput);
} elsif ($filename !~ /^$LONCAPA::match_domain\_$LONCAPA::match_courseid\_.+_classlist\.xml$/) {
&Failure($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 5606 sub crsreq_checks_handler {	Line 5192 sub crsreq_checks_handler {
my $userinput = "$cmd:$tail";	my $userinput = "$cmd:$tail";
my $dom = $tail;	my $dom = $tail;
my $result;	my $result;
my @reqtypes = ('official','unofficial','community','textbook');	my @reqtypes = ('official','unofficial','community');
eval {	eval {
local($SIG{__DIE__})='DEFAULT';	local($SIG{__DIE__})='DEFAULT';
my %validations;	my %validations;
Line 5633 sub crsreq_checks_handler {	Line 5219 sub crsreq_checks_handler {
sub validate_crsreq_handler {	sub validate_crsreq_handler {
my ($cmd, $tail, $client) = @_;	my ($cmd, $tail, $client) = @_;
my $userinput = "$cmd:$tail";	my $userinput = "$cmd:$tail";
my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$customdata) = split(/:/, $tail);	my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist) = 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,
$instseclist,$custominfo);	$instseclist);
};	};
if (!$@) {	if (!$@) {
&Reply($client, \$outcome, $userinput);	&Reply($client, \$outcome, $userinput);
Line 5657 sub validate_crsreq_handler {	Line 5242 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 6411 sub lcpasswdstrerror {	Line 5949 sub lcpasswdstrerror {
}	}
}	}

	#
	# Convert an error return code from lcuseradd to a string value:
	#
	sub lcuseraddstrerror {
	my $ErrorCode = shift;
	if(($ErrorCode < 0) \|\| ($ErrorCode > $lastadderror)) {
	return "lcuseradd - Unrecognized error code: ".$ErrorCode;
	} else {
	return $adderrors[$ErrorCode];
	}
	}

# grabs exception and records it to log before exiting	# grabs exception and records it to log before exiting
sub catchexception {	sub catchexception {
my ($error)=@_;	my ($error)=@_;
Line 6447 my $wwwid=getpwnam('www');	Line 5997 my $wwwid=getpwnam('www');
if ($wwwid!=$<) {	if ($wwwid!=$<) {
my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";	my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
my $subj="LON: $currenthostid User ID mismatch";	my $subj="LON: $currenthostid User ID mismatch";
system("echo 'User ID mismatch. lond must be run as user www.' \|".	system("echo 'User ID mismatch. lond must be run as user www.' \|\
" mail -s '$subj' $emailto > /dev/null");	mailto $emailto -s '$subj' > /dev/null");
exit 1;	exit 1;
}	}

Line 6651 sub Debug {	Line 6201 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 6896 sub make_new_child {	Line 6449 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') \|\|
my $no_ets;	($dist eq 'fedora6') \|\| ($dist eq 'suse9.3')) {
if ($dist =~ /^(?:centos\|rhes\|scientific\|oracle)(\d+)$/) {	&Authen::Krb5::init_ets();
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();
}

&status('Accepted connection');	&status('Accepted connection');
# =============================================================================	# =============================================================================
Line 6961 sub make_new_child {	Line 6496 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 \|\|= $Apache::lonnet::loncaparevs{$clientname};
# it's overridden below in this case
$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 7031 sub make_new_child {	Line 6564 sub make_new_child {
."Attempted insecure connection disallowed </font>");	."Attempted insecure connection disallowed </font>");
close $client;	close $client;
$clientok = 0;	$clientok = 0;

}	}
}	}
} else {	} else {
Line 7039 sub make_new_child {	Line 6573 sub make_new_child {
."$clientip failed to initialize: >$remotereq< </font>");	."$clientip failed to initialize: >$remotereq< </font>");
&status('No init '.$clientip);	&status('No init '.$clientip);
}	}

} else {	} else {
&logthis(	&logthis(
"<font color='blue'>WARNING: Unknown client $clientip</font>");	"<font color='blue'>WARNING: Unknown client $clientip</font>");
Line 7196 sub password_filename {	Line 6731 sub password_filename {
# domain - domain of the user.	# domain - domain of the user.
# name - User's name.	# name - User's name.
# contents - New contents of the file.	# contents - New contents of the file.
# saveold - (optional). If true save old file in a passwd.bak file.
# Returns:	# Returns:
# 0 - Failed.	# 0 - Failed.
# 1 - Success.	# 1 - Success.
#	#
sub rewrite_password_file {	sub rewrite_password_file {
my ($domain, $user, $contents, $saveold) = @_;	my ($domain, $user, $contents) = @_;

my $file = &password_filename($domain, $user);	my $file = &password_filename($domain, $user);
if (defined $file) {	if (defined $file) {
if ($saveold) {
my $bakfile = $file.'.bak';
if (CopyFile($file,$bakfile)) {
chmod(0400,$bakfile);
&logthis("Old password saved in passwd.bak for internally authenticated user: $user:$domain");
} else {
&logthis("Failed to save old password in passwd.bak for internally authenticated user: $user:$domain");
}
}
my $pf = IO::File->new(">$file");	my $pf = IO::File->new(">$file");
if($pf) {	if($pf) {
print $pf "$contents\n";	print $pf "$contents\n";
Line 7305 sub validate_user {	Line 6830 sub validate_user {
$contentpwd = $domdefaults{'auth_arg_def'};	$contentpwd = $domdefaults{'auth_arg_def'};
}	}
}	}
}	}
if ($howpwd ne 'nouser') {	if ($howpwd ne 'nouser') {
if($howpwd eq "internal") { # Encrypted is in local password file.	if($howpwd eq "internal") { # Encrypted is in local password file.
if (length($contentpwd) == 13) {	$validated = (crypt($password, $contentpwd) eq $contentpwd);
$validated = (crypt($password,$contentpwd) eq $contentpwd);
if ($validated) {
my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
if ($domdefaults{'intauth_switch'}) {
my $ncpass = &hash_passwd($domain,$password);
my $saveold;
if ($domdefaults{'intauth_switch'} == 2) {
$saveold = 1;
}
if (&rewrite_password_file($domain,$user,"$howpwd:$ncpass",$saveold)) {
&update_passwd_history($user,$domain,$howpwd,'conversion');
&logthis("Validated password hashed with bcrypt for $user:$domain");
}
}
}
} else {
$validated = &check_internal_passwd($password,$contentpwd,$domain,$user);
}
}	}
elsif ($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 7394 sub validate_user {	Line 6901 sub validate_user {
return $validated;	return $validated;
}	}

sub check_internal_passwd {
my ($plainpass,$stored,$domain,$user) = @_;
my (undef,$method,@rest) = split(/!/,$stored);
if ($method eq 'bcrypt') {
my $result = &hash_passwd($domain,$plainpass,@rest);
if ($result ne $stored) {
return 0;
}
my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
if ($domdefaults{'intauth_check'}) {
# Upgrade to a larger number of rounds if necessary
my $defaultcost = $domdefaults{'intauth_cost'};
if (($defaultcost eq '') \|\| ($defaultcost =~ /D/)) {
$defaultcost = 10;
}
if (int($rest[0])<int($defaultcost)) {
if ($domdefaults{'intauth_check'} == 1) {
my $ncpass = &hash_passwd($domain,$plainpass);
if (&rewrite_password_file($domain,$user,"internal:$ncpass")) {
&update_passwd_history($user,$domain,'internal','update cost');
&logthis("Validated password hashed with bcrypt for $user:$domain");
}
return 1;
} elsif ($domdefaults{'intauth_check'} == 2) {
return 0;
}
}
} else {
return 1;
}
}
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 7753 sub change_unix_password {	Line 7216 sub change_unix_password {


sub make_passwd_file {	sub make_passwd_file {
my ($uname,$udom,$umode,$npass,$passfilename,$action)=@_;	my ($uname,$udom,$umode,$npass,$passfilename)=@_;
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 $ncpass = &hash_passwd($udom,$npass);	my $salt=time;
	$salt=substr($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 7782 sub make_passwd_file {	Line 7245 sub make_passwd_file {
my $pf = IO::File->new(">$passfilename");	my $pf = IO::File->new(">$passfilename");
if($pf) {	if($pf) {
print $pf "localauth:$npass\n";	print $pf "localauth:$npass\n";
&update_passwd_history($uname,$udom,$umode,$action);
} else {	} else {
$result = "pass_file_failed_error";	$result = "pass_file_failed_error";
}	}
}	}
} elsif ($umode eq 'unix') {	} elsif ($umode eq 'unix') {
&logthis(">>>Attempt to create unix account blocked -- unix auth not available for new users.");	{
$result="no_new_unix_accounts";	#
	# Don't allow the creation of privileged accounts!!! that would
	# be real bad!!!
	#
	my $uid = getpwnam($uname);
	if((defined $uid) && ($uid == 0)) {
	&logthis(">>>Attempt to create privileged account blocked");
	return "no_priv_account_error\n";
	}

	my $execpath ="$perlvar{'lonDaemons'}/"."lcuseradd";

	my $lc_error_file = $execdir."/tmp/lcuseradd".$$.".status";
	{
	&Debug("Executing external: ".$execpath);
	&Debug("user = ".$uname.", Password =". $npass);
	my $se = IO::File->new("\|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log");
	print $se "$uname\n";
	print $se "$udom\n";
	print $se "$npass\n";
	print $se "$npass\n";
	print $se "$lc_error_file\n"; # Status -> unique file.
	}
	if (-r $lc_error_file) {
	&Debug("Opening error file: $lc_error_file");
	my $error = IO::File->new("< $lc_error_file");
	my $useraddok = <$error>;
	$error->close;
	unlink($lc_error_file);

	chomp $useraddok;

	if($useraddok > 0) {
	my $error_text = &lcuseraddstrerror($useraddok);
	&logthis("Failed lcuseradd: $error_text");
	$result = "lcuseradd_failed:$error_text";
	} else {
	my $pf = IO::File->new(">$passfilename");
	if($pf) {
	print $pf "unix:\n";
	} else {
	$result = "pass_file_failed_error";
	}
	}
	} else {
	&Debug("Could not locate lcuseradd error: $lc_error_file");
	$result="bug_lcuseradd_no_output_file";
	}
	}
} elsif ($umode eq 'none') {	} elsif ($umode eq 'none') {
{	{
my $pf = IO::File->new("> $passfilename");	my $pf = IO::File->new("> $passfilename");
Line 7853 sub get_usersession_config {	Line 7363 sub get_usersession_config {
return;	return;
}	}

sub get_usersearch_config {
my ($dom,$name) = @_;
my ($usersearchconf,$cached)=&Apache::lonnet::is_cached_new($name,$dom);
if (defined($cached)) {
return $usersearchconf;
} else {
my %domconfig = &Apache::lonnet::get_dom('configuration',['directorysrch'],$dom);
&Apache::lonnet::do_cache_new($name,$dom,$domconfig{'directorysrch'},3600);
return $domconfig{'directorysrch'};
}
return;
}

sub distro_and_arch {	sub distro_and_arch {
return $dist.':'.$arch;	return $dist.':'.$arch;
Line 8077 Place in B<logs/lond.log>	Line 7577 Place in B<logs/lond.log>

stores hash in namespace	stores hash in namespace

=item rolesput	=item rolesputy

put a role into a user's environment	put a role into a user's environment

Line 8194 Authen::Krb5	Line 7694 Authen::Krb5

=head1 COREQUISITES	=head1 COREQUISITES

	none

=head1 OSNAMES	=head1 OSNAMES

linux	linux
Line 8281 or the CA's certificate in the call to l	Line 7783 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 8402 Could not rewrite the	Line 7904 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 8431 lond has been asked to exit by its clien	Line 7933 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 8515 file when sent it's USR1 signal. That p	Line 8017 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 8529 Started a new child process for <client>	Line 8031 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 8540 In child process initialization. The pe	Line 8042 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 8590 The client (<client> is the peer's name	Line 8092 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.1.489.2.31
changed lines
	Added in v.1.493