--- loncom/lond 2016/09/24 19:16:57 1.489.2.23
+++ loncom/lond 2022/02/16 00:06:08 1.573
@@ -2,7 +2,7 @@
# The LearningOnline Network
# lond "LON Daemon" Server (port "LOND" 5663)
#
-# $Id: lond,v 1.489.2.23 2016/09/24 19:16:57 raeburn Exp $
+# $Id: lond,v 1.573 2022/02/16 00:06:08 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -15,7 +15,6 @@
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
-
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
@@ -36,12 +35,13 @@ use LONCAPA;
use LONCAPA::Configuration;
use LONCAPA::Lond;
+use Socket;
use IO::Socket;
use IO::File;
#use Apache::File;
use POSIX;
use Crypt::IDEA;
-use LWP::UserAgent();
+use HTTP::Request;
use Digest::MD5 qw(md5_hex);
use GDBM_File;
use Authen::Krb5;
@@ -58,13 +58,14 @@ use Mail::Send;
use Crypt::Eksblowfish::Bcrypt;
use Digest::SHA;
use Encode;
+use LONCAPA::LWPReq;
my $DEBUG = 0; # Non zero to enable debug log entries.
my $status='';
my $lastlog='';
-my $VERSION='$Revision: 1.489.2.23 $'; #' stupid emacs
+my $VERSION='$Revision: 1.573 $'; #' stupid emacs
my $remoteVERSION;
my $currenthostid="default";
my $currentdomainid;
@@ -74,7 +75,16 @@ my $clientip; # IP address of client.
my $clientname; # LonCAPA name of client.
my $clientversion; # LonCAPA version running on client.
my $clienthomedom; # LonCAPA domain of homeID for client.
- # primary library server.
+my $clientintdom; # LonCAPA "internet domain" for client.
+my $clientsamedom; # LonCAPA domain same for this host
+ # and client.
+my $clientsameinst; # LonCAPA "internet domain" same for
+ # this host and client.
+my $clientremoteok; # Current domain permits hosting on client
+ # (not set if host and client share "internet domain").
+ # Values are 0 or 1; 1 if allowed.
+my %clientprohibited; # Commands from client prohibited for domain's
+ # users.
my $server;
@@ -96,6 +106,13 @@ my %managers; # Ip -> manager names
my %perlvar; # Will have the apache conf defined perl vars.
+my %secureconf; # Will have requirements for security
+ # of lond connections
+
+my %crlchecked; # Will contain clients for which the client's SSL
+ # has been checked against the cluster's Certificate
+ # Revocation List.
+
my $dist;
#
@@ -145,6 +162,166 @@ my @installerrors = ("ok",
);
#
+# The %trust hash classifies commands according to type of trust
+# required for execution of the command.
+#
+# When clients from a different institution request execution of a
+# particular command, the trust settings for that institution set
+# for this domain (or default domain for a multi-domain server) will
+# be checked to see if running the command is allowed.
+#
+# Trust types which depend on the "Trust" domain configuration
+# for the machine's default domain are:
+#
+# content ("Access to this domain's content by others")
+# shared ("Access to other domain's content by this domain")
+# enroll ("Enrollment in this domain's courses by others")
+# coaurem ("Co-author roles for this domain's users elsewhere")
+# othcoau ("Co-author roles in this domain for others")
+# domroles ("Domain roles in this domain assignable to others")
+# catalog ("Course Catalog for this domain displayed elsewhere")
+# reqcrs ("Requests for creation of courses in this domain by others")
+# msg ("Users in other domains can send messages to this domain")
+#
+# Trust type which depends on the User Session Hosting (remote)
+# domain configuration for machine's default domain is: "remote".
+#
+# Trust types which depend on contents of manager.tab in
+# /home/httpd/lonTabs is: "manageronly".
+#
+# Trust type which requires client to share the same LON-CAPA
+# "internet domain" (i.e., same institution as this server) is:
+# "institutiononly".
+#
+
+my %trust = (
+ auth => {remote => 1},
+ autocreatepassword => {remote => 1},
+ autocrsreqchecks => {remote => 1, reqcrs => 1},
+ autocrsrequpdate => {remote => 1},
+ autocrsreqvalidation => {remote => 1},
+ autogetsections => {remote => 1},
+ autoinstcodedefaults => {remote => 1, catalog => 1},
+ autoinstcodeformat => {remote => 1, catalog => 1},
+ autonewcourse => {remote => 1, reqcrs => 1},
+ autophotocheck => {remote => 1, enroll => 1},
+ autophotochoice => {remote => 1},
+ autophotopermission => {remote => 1, enroll => 1},
+ autopossibleinstcodes => {remote => 1, reqcrs => 1},
+ autoretrieve => {remote => 1, enroll => 1, catalog => 1},
+ autorun => {remote => 1, enroll => 1, reqcrs => 1},
+ autovalidateclass_sec => {catalog => 1},
+ autovalidatecourse => {remote => 1, enroll => 1},
+ autovalidateinstcode => {domroles => 1, remote => 1, enroll => 1},
+ autovalidateinstcrosslist => {remote => 1, enroll => 1},
+ autoinstsecreformat => {remote => 1, enroll => 1},
+ changeuserauth => {remote => 1, domroles => 1},
+ chatretr => {remote => 1, enroll => 1},
+ chatsend => {remote => 1, enroll => 1},
+ courseiddump => {remote => 1, domroles => 1, enroll => 1},
+ courseidput => {remote => 1, domroles => 1, enroll => 1},
+ courseidputhash => {remote => 1, domroles => 1, enroll => 1},
+ courselastaccess => {remote => 1, domroles => 1, enroll => 1},
+ coursesessions => {institutiononly => 1},
+ currentauth => {remote => 1, domroles => 1, enroll => 1},
+ currentdump => {remote => 1, enroll => 1},
+ currentversion => {remote=> 1, content => 1},
+ dcmaildump => {remote => 1, domroles => 1},
+ dcmailput => {remote => 1, domroles => 1},
+ del => {remote => 1, domroles => 1, enroll => 1, content => 1},
+ delbalcookie => {institutiononly => 1},
+ delusersession => {institutiononly => 1},
+ deldom => {remote => 1, domroles => 1}, # not currently used
+ devalidatecache => {institutiononly => 1},
+ domroleput => {remote => 1, enroll => 1},
+ domrolesdump => {remote => 1, catalog => 1},
+ du => {remote => 1, enroll => 1},
+ du2 => {remote => 1, enroll => 1},
+ dump => {remote => 1, enroll => 1, domroles => 1},
+ edit => {institutiononly => 1}, #not used currently
+ edump => {remote => 1, enroll => 1, domroles => 1},
+ eget => {remote => 1, domroles => 1, enroll => 1}, #not used currently
+ egetdom => {remote => 1, domroles => 1, enroll => 1, },
+ ekey => {anywhere => 1},
+ exit => {anywhere => 1},
+ fetchuserfile => {remote => 1, enroll => 1},
+ get => {remote => 1, domroles => 1, enroll => 1},
+ getdom => {anywhere => 1},
+ home => {anywhere => 1},
+ iddel => {remote => 1, enroll => 1},
+ idget => {remote => 1, enroll => 1},
+ idput => {remote => 1, domroles => 1, enroll => 1},
+ inc => {remote => 1, enroll => 1},
+ init => {anywhere => 1},
+ inst_usertypes => {remote => 1, domroles => 1, enroll => 1},
+ instemailrules => {remote => 1, domroles => 1},
+ instidrulecheck => {remote => 1, domroles => 1,},
+ instidrules => {remote => 1, domroles => 1,},
+ instrulecheck => {remote => 1, enroll => 1, reqcrs => 1, domroles => 1},
+ instselfcreatecheck => {institutiononly => 1},
+ instuserrules => {remote => 1, enroll => 1, reqcrs => 1, domroles => 1},
+ keys => {remote => 1,},
+ load => {anywhere => 1},
+ log => {anywhere => 1},
+ ls => {remote => 1, enroll => 1, content => 1,},
+ ls2 => {remote => 1, enroll => 1, content => 1,},
+ ls3 => {remote => 1, enroll => 1, content => 1,},
+ lti => {institutiononly => 1},
+ makeuser => {remote => 1, enroll => 1, domroles => 1,},
+ mkdiruserfile => {remote => 1, enroll => 1,},
+ newput => {remote => 1, enroll => 1, reqcrs => 1, domroles => 1,},
+ passwd => {remote => 1},
+ ping => {anywhere => 1},
+ pong => {anywhere => 1},
+ pushfile => {manageronly => 1},
+ put => {remote => 1, enroll => 1, domroles => 1, msg => 1, content => 1, shared => 1},
+ putdom => {remote => 1, domroles => 1,},
+ putstore => {remote => 1, enroll => 1},
+ queryreply => {anywhere => 1},
+ querysend => {anywhere => 1},
+ querysend_activitylog => {remote => 1},
+ querysend_allusers => {remote => 1, domroles => 1},
+ querysend_courselog => {remote => 1},
+ querysend_fetchenrollment => {remote => 1},
+ querysend_getinstuser => {remote => 1},
+ querysend_getmultinstusers => {remote => 1},
+ querysend_instdirsearch => {remote => 1, domroles => 1, coaurem => 1},
+ querysend_institutionalphotos => {remote => 1},
+ querysend_portfolio_metadata => {remote => 1, content => 1},
+ querysend_userlog => {remote => 1, domroles => 1},
+ querysend_usersearch => {remote => 1, enroll => 1, coaurem => 1},
+ quit => {anywhere => 1},
+ readlonnetglobal => {institutiononly => 1},
+ reinit => {manageronly => 1}, #not used currently
+ removeuserfile => {remote => 1, enroll => 1},
+ renameuserfile => {remote => 1,},
+ restore => {remote => 1, enroll => 1, reqcrs => 1,},
+ rolesdel => {remote => 1, enroll => 1, domroles => 1, coaurem => 1},
+ rolesput => {remote => 1, enroll => 1, domroles => 1, coaurem => 1},
+ servercerts => {institutiononly => 1},
+ serverdistarch => {anywhere => 1},
+ serverhomeID => {anywhere => 1},
+ serverloncaparev => {anywhere => 1},
+ servertimezone => {remote => 1, enroll => 1},
+ setannounce => {remote => 1, domroles => 1},
+ sethost => {anywhere => 1},
+ store => {remote => 1, enroll => 1, reqcrs => 1,},
+ studentphoto => {remote => 1, enroll => 1},
+ sub => {content => 1,},
+ tmpdel => {institutiononly => 1},
+ tmpget => {institutiononly => 1},
+ tmpput => {remote => 1, othcoau => 1},
+ tokenauthuserfile => {anywhere => 1},
+ unsub => {content => 1,},
+ update => {shared => 1},
+ updatebalcookie => {institutiononly => 1},
+ updateclickers => {remote => 1},
+ userhassession => {anywhere => 1},
+ userload => {anywhere => 1},
+ version => {anywhere => 1}, #not used
+ );
+
+#
# Statistics that are maintained and dislayed in the status line.
#
my $Transactions = 0; # Number of attempted transactions.
@@ -257,10 +434,19 @@ sub SSLConnection {
Debug("Approving promotion -> ssl");
# And do so:
+ my $CRLFile;
+ unless ($crlchecked{$clientname}) {
+ $CRLFile = lonssl::CRLFile();
+ $crlchecked{$clientname} = 1;
+ }
+
my $SSLSocket = lonssl::PromoteServerSocket($Socket,
$CACertificate,
$Certificate,
- $KeyFile);
+ $KeyFile,
+ $clientname,
+ $CRLFile,
+ $clientversion);
if(! ($SSLSocket) ) { # SSL socket promotion failed.
my $err = lonssl::LastError();
&logthis("<font color=\"red\"> CRITICAL "
@@ -300,8 +486,23 @@ sub InsecureConnection {
my $Socket = shift;
# Don't even start if insecure connections are not allowed.
-
- if(! $perlvar{londAllowInsecure}) { # Insecure connections not allowed.
+ # return 0 if Insecure connections not allowed.
+ #
+ if (ref($secureconf{'connfrom'}) eq 'HASH') {
+ if ($clientsamedom) {
+ if ($secureconf{'connfrom'}{'dom'} eq 'req') {
+ return 0;
+ }
+ } elsif ($clientsameinst) {
+ if ($secureconf{'connfrom'}{'intdom'} eq 'req') {
+ return 0;
+ }
+ } else {
+ if ($secureconf{'connfrom'}{'other'} eq 'req') {
+ return 0;
+ }
+ }
+ } elsif (!$perlvar{londAllowInsecure}) {
return 0;
}
@@ -601,10 +802,17 @@ sub ConfigFileFromSelector {
my $selector = shift;
my $tablefile;
- my $tabledir = $perlvar{'lonTabDir'}.'/';
- if (($selector eq "hosts") || ($selector eq "domain") ||
- ($selector eq "dns_hosts") || ($selector eq "dns_domain")) {
- $tablefile = $tabledir.$selector.'.tab';
+ if ($selector eq 'loncapaCAcrl') {
+ my $tabledir = $perlvar{'lonCertificateDirectory'};
+ if (-d $tabledir) {
+ $tablefile = $tabledir.'/'.$selector.'.pem';
+ }
+ } else {
+ my $tabledir = $perlvar{'lonTabDir'}.'/';
+ if (($selector eq "hosts") || ($selector eq "domain") ||
+ ($selector eq "dns_hosts") || ($selector eq "dns_domain")) {
+ $tablefile = $tabledir.$selector.'.tab';
+ }
}
return $tablefile;
}
@@ -628,12 +836,13 @@ sub PushFile {
my ($command, $filename, $contents) = split(":", $request, 3);
&Debug("PushFile");
- # At this point in time, pushes for only the following tables are
- # supported:
+ # At this point in time, pushes for only the following tables and
+ # CRL file are supported:
# hosts.tab ($filename eq host).
# domain.tab ($filename eq domain).
# dns_hosts.tab ($filename eq dns_host).
- # dns_domain.tab ($filename eq dns_domain).
+ # dns_domain.tab ($filename eq dns_domain).
+ # loncapaCAcrl.pem ($filename eq loncapaCAcrl).
# Construct the destination filename or reject the request.
#
# lonManage is supposed to ensure this, however this session could be
@@ -654,7 +863,8 @@ sub PushFile {
if($filename eq "host") {
$contents = AdjustHostContents($contents);
- } elsif ($filename eq 'dns_host' || $filename eq 'dns_domain') {
+ } elsif (($filename eq 'dns_host') || ($filename eq 'dns_domain') ||
+ ($filename eq 'loncapaCAcrl')) {
if ($contents eq '') {
&logthis('<font color="red"> Pushfile: unable to install '
.$tablefile." - no data received from push. </font>");
@@ -665,12 +875,15 @@ sub PushFile {
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 $url;
+ if ($filename eq 'loncapaCAcrl') {
+ $url = '/adm/dns/loncapaCRL';
+ } else {
+ $url = '/adm/'.$filename;
+ $url =~ s{_}{/};
+ }
my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url");
- my $response=$ua->request($request);
+ my $response = LONCAPA::LWPReq::makerequest($clientname,$request,'',\%perlvar,60,0);
if ($response->is_error()) {
&logthis('<font color="red"> Pushfile: unable to install '
.$tablefile." - error attempting to pull data. </font>");
@@ -1429,13 +1642,15 @@ sub du2_handler {
# 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/res/userfiles/
+# (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:
-# /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
+# 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".
#
@@ -1466,8 +1681,8 @@ sub ls_handler {
}
if (-e $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_username/userfiles/})) {
+ 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",$userinput);
return 1;
}
@@ -1494,7 +1709,8 @@ sub ls_handler {
closedir(LSDIR);
}
} else {
- unless ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/}) {
+ 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;
}
@@ -1526,13 +1742,15 @@ sub ls_handler {
# 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/res/userfiles/
+# (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:
-# /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
+# 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".
#
@@ -1562,8 +1780,8 @@ sub ls2_handler {
}
if (-e $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_username/userfiles/})) {
+ 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","$userinput");
return 1;
}
@@ -1591,7 +1809,8 @@ sub ls2_handler {
closedir(LSDIR);
}
} else {
- unless ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/}) {
+ 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;
}
@@ -1615,15 +1834,18 @@ sub ls2_handler {
# 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/res/userfiles/
+# (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
+# (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:
-# /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
+# 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".
#
@@ -1697,17 +1919,43 @@ sub ls3_handler {
my $rights;
my $ulsout='';
my $ulsfn;
+
+ my ($crscheck,$toplevel,$currdom,$currnum,$skip);
+ unless ($islocal) {
+ my ($major,$minor) = split(/\./,$clientversion);
+ if (($major < 2) || ($major == 2 && $minor < 12)) {
+ $crscheck = 1;
+ }
+ }
if (-e $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_username/userfiles/}) ||
- (($ulsdir =~ m{/home/httpd/html/priv/$LONCAPA::match_domain/}) && ($islocal))) {
+ ($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 (($crscheck) &&
+ ($ulsdir =~ m{^/home/httpd/html/res/($LONCAPA::match_domain)(/?$|/$LONCAPA::match_courseid)})) {
+ ($currdom,my $posscnum) = ($1,$2);
+ if (($posscnum eq '') || ($posscnum eq '/')) {
+ $toplevel = 1;
+ } else {
+ $posscnum =~ s{^/+}{};
+ if (&LONCAPA::Lond::is_course($currdom,$posscnum)) {
+ $skip = 1;
+ }
+ }
+ }
+ if ((!$skip) && (opendir(LSDIR,$ulsdir))) {
while ($ulsfn=readdir(LSDIR)) {
+ if (($crscheck) && ($toplevel) && ($currdom ne '') &&
+ ($ulsfn =~ /^$LONCAPA::match_courseid$/) && (-d "$ulsdir/$ulsfn")) {
+ if (&LONCAPA::Lond::is_course($currdom,$ulsfn)) {
+ next;
+ }
+ }
undef($obs);
undef($rights);
my @ulsstats=stat($ulsdir.'/'.$ulsfn);
@@ -1731,7 +1979,9 @@ sub ls3_handler {
}
} else {
unless (($getpropath) || ($getuserdir) ||
- ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/})) {
+ ($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",$userinput);
return 1;
}
@@ -1758,15 +2008,17 @@ sub read_lonnet_global {
);
my %limit_to = (
perlvar => {
- lonOtherAuthen => 1,
- lonBalancer => 1,
- lonVersion => 1,
- lonSysEMail => 1,
- lonHostID => 1,
- lonRole => 1,
- lonDefDomain => 1,
- lonLoadLim => 1,
- lonUserLoadLim => 1,
+ lonOtherAuthen => 1,
+ lonBalancer => 1,
+ lonVersion => 1,
+ lonAdmEMail => 1,
+ lonSupportEMail => 1,
+ lonSysEMail => 1,
+ lonHostID => 1,
+ lonRole => 1,
+ lonDefDomain => 1,
+ lonLoadLim => 1,
+ lonUserLoadLim => 1,
}
);
if (ref($requested) eq 'HASH') {
@@ -1785,7 +2037,7 @@ sub read_lonnet_global {
}
if ($what eq 'perlvar') {
if (!exists($packagevars{$what}{'lonBalancer'})) {
- if ($dist =~ /^(centos|rhes|fedora|scientific)/) {
+ if ($dist =~ /^(centos|rhes|fedora|scientific|oracle|rocky|alma)/) {
my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf');
if (ref($othervarref) eq 'HASH') {
$items->{'lonBalancer'} = $othervarref->{'lonBalancer'};
@@ -1878,6 +2130,16 @@ sub server_distarch_handler {
}
®ister_handler("serverdistarch", \&server_distarch_handler, 0, 1, 0);
+sub server_certs_handler {
+ my ($cmd,$tail,$client) = @_;
+ my $userinput = "$cmd:$tail";
+ my $hostname = &Apache::lonnet::hostname($perlvar{'lonHostID'});
+ my $result = &LONCAPA::Lond::server_certs(\%perlvar,$perlvar{'lonHostID'},$hostname);
+ &Reply($client,\$result,$userinput);
+ return;
+}
+®ister_handler("servercerts", \&server_certs_handler, 0, 1, 0);
+
# Process a reinit request. Reinit requests that either
# lonc or lond be reinitialized so that an updated
# host.tab or domain.tab can be processed.
@@ -2010,18 +2272,14 @@ sub authenticate_handler {
my ($remote,$hosted);
my $remotesession = &get_usersession_config($udom,'remotesession');
if (ref($remotesession) eq 'HASH') {
- $remote = $remotesession->{'remote'}
+ $remote = $remotesession->{'remote'};
}
my $hostedsession = &get_usersession_config($clienthomedom,'hostedsession');
if (ref($hostedsession) eq 'HASH') {
$hosted = $hostedsession->{'hosted'};
}
- my $loncaparev = $clientversion;
- if ($loncaparev eq '') {
- $loncaparev = $Apache::lonnet::loncaparevs{$clientname};
- }
$canhost = &Apache::lonnet::can_host_session($udom,$clientname,
- $loncaparev,
+ $clientversion,
$remote,$hosted);
}
}
@@ -2097,12 +2355,84 @@ sub change_password_handler {
}
if($validated) {
my $realpasswd = &get_auth_type($udom, $uname); # Defined since authd.
-
my ($howpwd,$contentpwd)=split(/:/,$realpasswd);
+ my $notunique;
if ($howpwd eq 'internal') {
&Debug("internal auth");
my $ncpass = &hash_passwd($udom,$npass);
- if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) {
+ my (undef,$method,@rest) = split(/!/,$contentpwd);
+ if ($method eq 'bcrypt') {
+ my %passwdconf = &Apache::lonnet::get_passwdconf($udom);
+ if (($passwdconf{'numsaved'}) && ($passwdconf{'numsaved'} =~ /^\d+$/)) {
+ my @oldpasswds;
+ my $userpath = &propath($udom,$uname);
+ my $fullpath = $userpath.'/oldpasswds';
+ if (-d $userpath) {
+ my @oldfiles;
+ if (-e $fullpath) {
+ if (opendir(my $dir,$fullpath)) {
+ (@oldfiles) = grep(/^\d+$/,readdir($dir));
+ closedir($dir);
+ }
+ if (@oldfiles) {
+ @oldfiles = sort { $b <=> $a } (@oldfiles);
+ my $numremoved = 0;
+ for (my $i=0; $i<@oldfiles; $i++) {
+ if ($i>=$passwdconf{'numsaved'}) {
+ if (-f "$fullpath/$oldfiles[$i]") {
+ if (unlink("$fullpath/$oldfiles[$i]")) {
+ $numremoved ++;
+ }
+ }
+ } elsif (open(my $fh,'<',"$fullpath/$oldfiles[$i]")) {
+ while (my $line = <$fh>) {
+ push(@oldpasswds,$line);
+ }
+ close($fh);
+ }
+ }
+ if ($numremoved) {
+ &logthis("unlinked $numremoved old password files for $uname:$udom");
+ }
+ }
+ }
+ push(@oldpasswds,$contentpwd);
+ foreach my $item (@oldpasswds) {
+ my (undef,$method,@rest) = split(/!/,$item);
+ if ($method eq 'bcrypt') {
+ my $result = &hash_passwd($udom,$npass,@rest);
+ if ($result eq $item) {
+ $notunique = 1;
+ last;
+ }
+ }
+ }
+ unless ($notunique) {
+ unless (-e $fullpath) {
+ if (&mkpath("$fullpath/")) {
+ chmod(0700,$fullpath);
+ }
+ }
+ if (-d $fullpath) {
+ my $now = time;
+ if (open(my $fh,'>',"$fullpath/$now")) {
+ print $fh $contentpwd;
+ close($fh);
+ chmod(0400,"$fullpath/$now");
+ }
+ }
+ }
+ }
+ }
+ }
+ if ($notunique) {
+ my $msg="Result of password change for $uname:$udom - password matches one used before";
+ if ($lonhost) {
+ $msg .= " - request originated from: $lonhost";
+ }
+ &logthis($msg);
+ &Reply($client, "prioruse\n", $userinput);
+ } elsif (&rewrite_password_file($udom, $uname, "internal:$ncpass")) {
my $msg="Result of password change for $uname: pwchange_success";
if ($lonhost) {
$msg .= " - request originated from: $lonhost";
@@ -2130,7 +2460,6 @@ sub change_password_handler {
#
&Failure( $client, "auth_mode_error\n", $userinput);
}
-
} else {
if ($failure eq '') {
$failure = 'non_authorized';
@@ -2151,12 +2480,8 @@ sub hash_passwd {
my $plainsalt = substr($rest[1],0,22);
$salt = Crypt::Eksblowfish::Bcrypt::de_base64($plainsalt);
} else {
- my $defaultcost;
- my %domconfig =
- &Apache::lonnet::get_dom('configuration',['password'],$domain);
- if (ref($domconfig{'password'}) eq 'HASH') {
- $defaultcost = $domconfig{'password'}{'cost'};
- }
+ my %domdefaults = &Apache::lonnet::get_domain_defaults($domain);
+ my $defaultcost = $domdefaults{'intauth_cost'};
if (($defaultcost eq '') || ($defaultcost =~ /D/)) {
$cost = 10;
} else {
@@ -2291,7 +2616,7 @@ sub change_authentication_handler {
my $result = &change_unix_password($uname, $npass);
&logthis("Result of password change for $uname: ".$result);
if ($result eq "ok") {
- &update_passwd_history($uname,$udom,$umode,'changeuserauth');
+ &update_passwd_history($uname,$udom,$umode,'changeuserauth');
&Reply($client, \$result);
} else {
&Failure($client, \$result);
@@ -2411,34 +2736,26 @@ sub update_resource_handler {
my $transname="$fname.in.transfer";
my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname");
my $response;
-# FIXME: cannot replicate files that take more than two minutes to transfer?
-# alarm(120);
-# FIXME: this should use the LWP mechanism, not internal alarms.
- alarm(1200);
- {
- my $ua=new LWP::UserAgent;
- my $request=new HTTP::Request('GET',"$remoteurl");
- $response=$ua->request($request,$transname);
- }
- alarm(0);
+# FIXME: cannot replicate files that take more than two minutes to transfer -- needs checking now 1200s timeout used
+# for LWP request.
+ my $request=new HTTP::Request('GET',"$remoteurl");
+ $response=&LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,0,1);
if ($response->is_error()) {
-# FIXME: we should probably clean up here instead of just whine
- unlink($transname);
+ my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname");
+ &devalidate_meta_cache($fname);
+ if (-e $transname) {
+ unlink($transname);
+ }
+ unlink($fname);
my $message=$response->status_line;
&logthis("LWP GET: $message for $fname ($remoteurl)");
} else {
if ($remoteurl!~/\.meta$/) {
-# FIXME: isn't there an internal LWP mechanism for this?
- alarm(120);
- {
- my $ua=new LWP::UserAgent;
- my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
- my $mresponse=$ua->request($mrequest,$fname.'.meta');
- if ($mresponse->is_error()) {
- unlink($fname.'.meta');
- }
+ my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta');
+ my $mresponse = &LONCAPA::LWPReq::makerequest($clientname,$mrequest,$fname.'.meta',\%perlvar,120,0,1);
+ if ($mresponse->is_error()) {
+ unlink($fname.'.meta');
}
- alarm(0);
}
# we successfully transfered, copy file over to real name
rename($transname,$fname);
@@ -2508,13 +2825,13 @@ sub fetch_user_file_handler {
my $remoteurl=$clientprotocol.'://'.$clienthost.'/userfiles/'.$fname;
my $response;
Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname");
- alarm(120);
- {
- my $ua=new LWP::UserAgent;
- my $request=new HTTP::Request('GET',"$remoteurl");
- $response=$ua->request($request,$transname);
- }
- alarm(0);
+ my $request=new HTTP::Request('GET',"$remoteurl");
+ my $verifycert = 1;
+ my @machine_ids = &Apache::lonnet::current_machine_ids();
+ if (grep(/^\Q$clientname\E$/,@machine_ids)) {
+ $verifycert = 0;
+ }
+ $response = &LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,$verifycert);
if ($response->is_error()) {
unlink($transname);
my $message=$response->status_line;
@@ -2581,13 +2898,13 @@ sub remove_user_file_handler {
if (-e $file) {
#
# If the file is a regular file unlink is fine...
- # However it's possible the client wants a dir
- # removed, in which case rmdir is more appropriate
- # Note: rmdir will only remove an empty directory.
+ # However it's possible the client wants a dir
+ # removed, in which case rmdir is more appropriate.
+ # Note: rmdir will only remove an empty directory.
#
if (-f $file){
unlink($file);
- # for html files remove the associated .bak 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 = $1;
@@ -2723,6 +3040,54 @@ sub user_has_session_handler {
}
®ister_handler("userhassession", \&user_has_session_handler, 0,1,0);
+sub del_usersession_handler {
+ my ($cmd, $tail, $client) = @_;
+
+ my $result;
+ my ($udom, $uname) = map { &unescape($_) } (split(/:/, $tail));
+ if (($udom =~ /^$LONCAPA::match_domain$/) && ($uname =~ /^$LONCAPA::match_username$/)) {
+ my $lonidsdir = $perlvar{'lonIDsDir'};
+ if (-d $lonidsdir) {
+ if (opendir(DIR,$lonidsdir)) {
+ my $filename;
+ while ($filename=readdir(DIR)) {
+ if ($filename=~/^\Q$uname\E_\d+_\Q$udom\E_/) {
+ if (tie(my %oldenv,'GDBM_File',"$lonidsdir/$filename",
+ &GDBM_READER(),0640)) {
+ my $linkedfile;
+ if (exists($oldenv{'user.linkedenv'})) {
+ $linkedfile = $oldenv{'user.linkedenv'};
+ }
+ untie(%oldenv);
+ $result = unlink("$lonidsdir/$filename");
+ if ($result) {
+ if ($linkedfile =~ /^[a-f0-9]+_linked$/) {
+ if (-l "$lonidsdir/$linkedfile.id") {
+ unlink("$lonidsdir/$linkedfile.id");
+ }
+ }
+ }
+ } else {
+ $result = unlink("$lonidsdir/$filename");
+ }
+ last;
+ }
+ }
+ }
+ }
+ if ($result == 1) {
+ &Reply($client, "$result\n", "$cmd:$tail");
+ } else {
+ &Reply($client, "not_found\n", "$cmd:$tail");
+ }
+ } else {
+ &Failure($client, "invalid_user\n", "$cmd:$tail");
+ }
+ return 1;
+}
+
+®ister_handler("delusersession", \&del_usersession_handler, 0,1,0);
+
#
# Authenticate access to a user file by checking that the token the user's
# passed also exists in their session file
@@ -2961,8 +3326,8 @@ sub newput_user_profile_entry {
&logthis("error: ".($!+0)." untie (GDBM) failed ".
"while attempting newput - early out as key exists");
}
- &Failure($client, "key_exists: ".$key."\n",$userinput);
- return 1;
+ &Failure($client, "key_exists: ".$key."\n",$userinput);
+ return 1;
}
}
@@ -3212,7 +3577,8 @@ sub get_profile_entry {
#
# Parameters:
# $cmd - Command keyword of request (eget).
-# $tail - Tail of the command. See GetProfileEntry
# for more information about this.
+# $tail - Tail of the command. See GetProfileEntry
+# for more information about this.
# $client - File open on the client.
# Returns:
# 1 - Continue processing
@@ -3364,6 +3730,17 @@ sub get_profile_keys {
sub dump_profile_database {
my ($cmd, $tail, $client) = @_;
+ my $res = LONCAPA::Lond::dump_profile_database($tail);
+
+ if ($res =~ /^error:/) {
+ Failure($client, \$res, "$cmd:$tail");
+ } else {
+ Reply($client, \$res, "$cmd:$tail");
+ }
+
+ return 1;
+
+ #TODO remove
my $userinput = "$cmd:$tail";
my ($udom,$uname,$namespace) = split(/:/,$tail);
@@ -3443,17 +3820,58 @@ sub dump_with_regexp {
my ($cmd, $tail, $client) = @_;
my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
-
+
if ($res =~ /^error:/) {
- &Failure($client, \$res, "$cmd:$tail");
+ Failure($client, \$res, "$cmd:$tail");
} else {
- &Reply($client, \$res, "$cmd:$tail");
+ Reply($client, \$res, "$cmd:$tail");
}
return 1;
}
®ister_handler("dump", \&dump_with_regexp, 0, 1, 0);
+#
+# Process the encrypted dump request. Original call should
+# be from lonnet::dump() with seventh arg ($encrypt) set to
+# 1, to ensure that both request and response are encrypted.
+#
+# Parameters:
+# $cmd - Command keyword of request (edump).
+# $tail - Tail of the command.
+# See &dump_with_regexp for more
+# information about this.
+# $client - File open on the client.
+# Returns:
+# 1 - Continue processing
+# 0 - server should exit.
+#
+
+sub encrypted_dump_with_regexp {
+ my ($cmd, $tail, $client) = @_;
+ my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
+
+ if ($res =~ /^error:/) {
+ Failure($client, \$res, "$cmd:$tail");
+ } else {
+ if ($cipher) {
+ my $cmdlength=length($res);
+ $res.=" ";
+ my $encres='';
+ for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
+ $encres.= unpack("H16",
+ $cipher->encrypt(substr($res,
+ $encidx,
+ 8)));
+ }
+ &Reply( $client,"enc:$cmdlength:$encres\n","$cmd:$tail");
+ } else {
+ &Failure( $client, "error:no_key\n","$cmd:$tail");
+ }
+ }
+}
+®ister_handler("edump", \&encrypted_dump_with_regexp, 0, 1, 0);
+
# Store a set of key=value pairs associated with a versioned name.
#
# Parameters:
@@ -3485,7 +3903,6 @@ sub store_handler {
my ($cmd, $tail, $client) = @_;
my $userinput = "$cmd:$tail";
-
chomp($tail);
my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail);
if ($namespace ne 'roles') {
@@ -3515,7 +3932,6 @@ sub store_handler {
$numtrans =~ s/D//g;
}
}
-
$hashref->{"version:$rid"}++;
my $version=$hashref->{"version:$rid"};
my $allkeys='';
@@ -3532,7 +3948,7 @@ sub store_handler {
if ($numtrans) {
$msg = 'delay:'.$numtrans;
}
- &Reply($client, "$msg\n", $userinput);
+ &Reply($client, "$msg\n", $userinput);
} else {
&Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
"while attempting store\n", $userinput);
@@ -3775,7 +4191,7 @@ sub retrieve_chat_handler {
# serviced.
#
# Parameters:
-# $cmd - COmmand keyword that initiated the request.
+# $cmd - Command keyword that initiated the request.
# $tail - Remainder of the command after the keyword.
# For this function, this consists of a query and
# 3 arguments that are self-documentingly labelled
@@ -3789,11 +4205,41 @@ sub retrieve_chat_handler {
sub send_query_handler {
my ($cmd, $tail, $client) = @_;
-
my $userinput = "$cmd:$tail";
my ($query,$arg1,$arg2,$arg3)=split(/\:/,$tail);
$query=~s/\n*$//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".
"\&$arg1"."\&$arg2"."\&$arg3")."\n",
$userinput);
@@ -4049,7 +4495,7 @@ sub put_course_id_hash_handler {
#
# domcloner - flag to indicate if user can create CCs in course's domain.
# If so, ability to clone course is automatic.
-# hasuniquecode - filter by courses for which a six character unique code has
+# hasuniquecode - filter by courses for which a six character unique code has
# been set.
#
# $client - The socket open on the client.
@@ -4059,6 +4505,17 @@ sub put_course_id_hash_handler {
# a reply is written to $client.
sub dump_course_id_handler {
my ($cmd, $tail, $client) = @_;
+
+ my $res = LONCAPA::Lond::dump_course_id_handler($tail);
+ if ($res =~ /^error:/) {
+ Failure($client, \$res, "$cmd:$tail");
+ } else {
+ Reply($client, \$res, "$cmd:$tail");
+ }
+
+ return 1;
+
+ #TODO remove
my $userinput = "$cmd:$tail";
my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
@@ -4463,6 +4920,44 @@ sub course_lastaccess_handler {
}
®ister_handler("courselastaccess",\&course_lastaccess_handler, 0, 1, 0);
+sub course_sessions_handler {
+ my ($cmd, $tail, $client) = @_;
+ my $userinput = "$cmd:$tail";
+ my ($cdom,$cnum,$lastactivity) = split(':',$tail);
+ my $dbsuffix = '_'.$cdom.'_'.$cnum.'.db';
+ my (%sessions,$qresult);
+ my $now=time;
+ if (opendir(DIR,$perlvar{'lonIDsDir'})) {
+ my $filename;
+ while ($filename=readdir(DIR)) {
+ next if ($filename=~/^\./);
+ next if ($filename=~/^publicuser_/);
+ next if ($filename=~/^[a-f0-9]+_(linked|lti_\d+)\.id$/);
+ if ($filename =~ /^($LONCAPA::match_username)_\d+_($LONCAPA::match_domain)_/) {
+ my ($uname,$udom) = ($1,$2);
+ next unless (-e "$perlvar{'lonDaemons'}/tmp/$uname$dbsuffix");
+ my $mtime = (stat("$perlvar{'lonIDsDir'}/$filename"))[9];
+ if ($lastactivity < 0) {
+ next if ($mtime-$now > $lastactivity);
+ } else {
+ next if ($now-$mtime > $lastactivity);
+ }
+ $sessions{$uname.':'.$udom} = $mtime;
+ }
+ }
+ closedir(DIR);
+ }
+ foreach my $user (keys(%sessions)) {
+ $qresult.=&escape($user).'='.$sessions{$user}.'&';
+ }
+ if ($qresult) {
+ chop($qresult);
+ }
+ &Reply($client, \$qresult, $userinput);
+ return 1;
+}
+®ister_handler("coursesessions",\&course_sessions_handler, 0, 1, 0);
+
#
# Puts an unencrypted entry in a namespace db file at the domain level
#
@@ -4506,12 +5001,128 @@ sub put_domain_handler {
}
®ister_handler("putdom", \&put_domain_handler, 0, 1, 0);
+# Updates one or more entries in clickers.db file at the domain level
+#
+# Parameters:
+# $cmd - The command that got us here.
+# $tail - Tail of the command (remaining parameters).
+# In this case a colon separated list containing:
+# (a) the domain for which we are updating the entries,
+# (b) the action required -- add or del -- and
+# (c) a &-separated list of entries to add or delete.
+# $client - File descriptor connected to client.
+# Returns
+# 1 - Continue processing.
+# 0 - Requested to exit, caller should shut down.
+# Side effects:
+# reply is written to $client.
+#
+
+
+sub update_clickers {
+ my ($cmd, $tail, $client) = @_;
+
+ my $userinput = "$cmd:$tail";
+ my ($udom,$action,$what) =split(/:/,$tail,3);
+ chomp($what);
+
+ my $hashref = &tie_domain_hash($udom, "clickers", &GDBM_WRCREAT(),
+ "U","$action:$what");
+
+ if (!$hashref) {
+ &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
+ "while attempting updateclickers\n", $userinput);
+ return 1;
+ }
+
+ my @pairs=split(/\&/,$what);
+ foreach my $pair (@pairs) {
+ my ($key,$value)=split(/=/,$pair);
+ if ($action eq 'add') {
+ if (exists($hashref->{$key})) {
+ my @newvals = split(/,/,&unescape($value));
+ my @currvals = split(/,/,&unescape($hashref->{$key}));
+ my @merged = sort(keys(%{{map { $_ => 1 } (@newvals,@currvals)}}));
+ $hashref->{$key}=&escape(join(',',@merged));
+ } else {
+ $hashref->{$key}=$value;
+ }
+ } elsif ($action eq 'del') {
+ if (exists($hashref->{$key})) {
+ my %current;
+ map { $current{$_} = 1; } split(/,/,&unescape($hashref->{$key}));
+ map { delete($current{$_}); } split(/,/,&unescape($value));
+ if (keys(%current)) {
+ $hashref->{$key}=&escape(join(',',sort(keys(%current))));
+ } else {
+ delete($hashref->{$key});
+ }
+ }
+ }
+ }
+ if (&untie_user_hash($hashref)) {
+ &Reply( $client, "ok\n", $userinput);
+ } else {
+ &Failure($client, "error: ".($!+0)." untie(GDBM) failed ".
+ "while attempting put\n",
+ $userinput);
+ }
+ return 1;
+}
+®ister_handler("updateclickers", \&update_clickers, 0, 1, 0);
+
+
+# Deletes one or more entries in a namespace db file at the domain level
+#
+# Parameters:
+# $cmd - The command that got us here.
+# $tail - Tail of the command (remaining parameters).
+# In this case a colon separated list containing:
+# (a) the domain for which we are deleting the entries,
+# (b) &-separated list of keys to delete.
+# $client - File descriptor connected to client.
+# Returns
+# 1 - Continue processing.
+# 0 - Requested to exit, caller should shut down.
+# Side effects:
+# reply is written to $client.
+#
+
+sub del_domain_handler {
+ my ($cmd,$tail,$client) = @_;
+
+ my $userinput = "$cmd:$tail";
+
+ my ($udom,$namespace,$what)=split(/:/,$tail,3);
+ chomp($what);
+ my $hashref = &tie_domain_hash($udom,$namespace,&GDBM_WRCREAT(),
+ "D", $what);
+ if ($hashref) {
+ my @keys=split(/\&/,$what);
+ foreach my $key (@keys) {
+ delete($hashref->{$key});
+ }
+ if (&untie_user_hash($hashref)) {
+ &Reply($client, "ok\n", $userinput);
+ } else {
+ &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
+ "while attempting deldom\n", $userinput);
+ }
+ } else {
+ &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
+ "while attempting deldom\n", $userinput);
+ }
+ return 1;
+}
+®ister_handler("deldom", \&del_domain_handler, 0, 1, 0);
+
+
# Unencrypted get from the namespace database file at the domain level.
# This function retrieves a keyed item from a specific named database in the
# domain directory.
#
# Parameters:
-# $cmd - Command request keyword (get).
+# $cmd - Command request keyword (getdom).
# $tail - Tail of the command. This is a colon separated list
# consisting of the domain and the 'namespace'
# which selects the gdbm file to do the lookup in,
@@ -4528,28 +5139,18 @@ sub put_domain_handler {
sub get_domain_handler {
my ($cmd, $tail, $client) = @_;
-
- my $userinput = "$client:$tail";
+ my $userinput = "$cmd:$tail";
my ($udom,$namespace,$what)=split(/:/,$tail,3);
- chomp($what);
- my @queries=split(/\&/,$what);
- my $qresult='';
- my $hashref = &tie_domain_hash($udom, "$namespace", &GDBM_READER());
- if ($hashref) {
- for (my $i=0;$i<=$#queries;$i++) {
- $qresult.="$hashref->{$queries[$i]}&";
- }
- if (&untie_domain_hash($hashref)) {
- $qresult=~s/\&$//;
- &Reply($client, \$qresult, $userinput);
+ if (($namespace =~ /^enc/) || ($namespace eq 'private')) {
+ &Failure( $client, "refused\n", $userinput);
+ } else {
+ my $res = LONCAPA::Lond::get_dom($userinput);
+ if ($res =~ /^error:/) {
+ &Failure($client, \$res, $userinput);
} else {
- &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".
- "while attempting getdom\n",$userinput);
+ &Reply($client, \$res, $userinput);
}
- } else {
- &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ".
- "while attempting getdom\n",$userinput);
}
return 1;
@@ -4557,6 +5158,123 @@ sub get_domain_handler {
®ister_handler("getdom", \&get_domain_handler, 0, 1, 0);
#
+# Encrypted get from the namespace database file at the domain level.
+# This function retrieves a keyed item from a specific named database in the
+# domain directory.
+#
+# Parameters:
+# $cmd - Command request keyword (egetdom).
+# $tail - Tail of the command. This is a colon separated list
+# consisting of the domain and the 'namespace'
+# which selects the gdbm file to do the lookup in,
+# & separated list of keys to lookup. Note that
+# the values are returned as an & separated list too.
+# $client - File descriptor open on the client.
+# Returns:
+# 1 - Continue processing.
+# 0 - Exit.
+# Side effects:
+# reply is encrypted before being written to $client.
+#
+sub encrypted_get_domain_handler {
+ my ($cmd, $tail, $client) = @_;
+
+ my $userinput = "$cmd:$tail";
+
+ my ($udom,$namespace,$what) = split(/:/,$tail,3);
+ if ($namespace eq 'private') {
+ &Failure( $client, "refused\n", $userinput);
+ } else {
+ my $res = LONCAPA::Lond::get_dom($userinput);
+ if ($res =~ /^error:/) {
+ &Failure($client, \$res, $userinput);
+ } else {
+ if ($cipher) {
+ my $cmdlength=length($res);
+ $res.=" ";
+ my $encres='';
+ for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
+ $encres.= unpack("H16",
+ $cipher->encrypt(substr($res,
+ $encidx,
+ 8)));
+ }
+ &Reply( $client,"enc:$cmdlength:$encres\n",$userinput);
+ } else {
+ &Failure( $client, "error:no_key\n",$userinput);
+ }
+ }
+ }
+ return 1;
+}
+®ister_handler("egetdom", \&encrypted_get_domain_handler, 1, 1, 0);
+
+#
+# Encrypted get from the namespace database file at the domain level.
+# This function retrieves a keyed item from a specific named database in the
+# domain directory.
+#
+# Parameters:
+# $cmd - Command request keyword (lti).
+# $tail - Tail of the command. This is a colon-separated list
+# consisting of the domain, coursenum, if for LTI-
+# enabled deep-linking to course content using
+# link protection configured within a course,
+# context (=deeplink) if for LTI-enabled deep-linking
+# to course content using LTI Provider settings
+# configured within a course's domain, the (escaped)
+# launch URL, the (escaped) method (typically POST),
+# and a frozen hash of the LTI launch parameters
+# from the LTI payload.
+# $client - File descriptor open on the client.
+# Returns:
+# 1 - Continue processing.
+# 0 - Exit.
+# Side effects:
+# The reply will contain an LTI itemID, if the signed LTI payload
+# could be verified using the consumer key and the shared secret
+# available for that key (for the itemID) for either the course or domain,
+# depending on values for cnum and context. The reply is encrypted before
+# being written to $client.
+#
+sub lti_handler {
+ my ($cmd, $tail, $client) = @_;
+
+ my $userinput = "$cmd:$tail";
+
+ my ($cdom,$cnum,$context,$escurl,$escmethod,$items) = split(/:/,$tail);
+ my $url = &unescape($escurl);
+ my $method = &unescape($escmethod);
+ my $params = &Apache::lonnet::thaw_unescape($items);
+ my $res;
+ if ($cnum ne '') {
+ $res = &LONCAPA::Lond::crslti_itemid($cdom,$cnum,$url,$method,$params,$perlvar{'lonVersion'});
+ } else {
+ $res = &LONCAPA::Lond::domlti_itemid($cdom,$context,$url,$method,$params,$perlvar{'lonVersion'});
+ }
+ if ($res =~ /^error:/) {
+ &Failure($client, \$res, $userinput);
+ } else {
+ if ($cipher) {
+ my $cmdlength=length($res);
+ $res.=" ";
+ my $encres='';
+ for (my $encidx=0;$encidx<=$cmdlength;$encidx+=8) {
+ $encres.= unpack("H16",
+ $cipher->encrypt(substr($res,
+ $encidx,
+ 8)));
+ }
+ &Reply( $client,"enc:$cmdlength:$encres\n",$userinput);
+ } else {
+ &Failure( $client, "error:no_key\n",$userinput);
+ }
+ }
+ return 1;
+}
+®ister_handler("lti", \<i_handler, 1, 1, 0);
+
+#
# Puts an id to a domains id database.
#
# Parameters:
@@ -4665,7 +5383,7 @@ sub get_id_handler {
# Returns:
# 1 - Continue processing
# 0 - Exit server.
-#
+#
#
sub del_id_handler {
@@ -4981,15 +5699,23 @@ sub tmp_put_handler {
}
my ($id,$store);
$tmpsnum++;
- if (($context eq 'resetpw') || ($context eq 'createaccount')) {
- $id = &md5_hex(&md5_hex(time.{}.rand().$$));
+ my $numtries = 0;
+ my $execdir=$perlvar{'lonDaemons'};
+ if (($context eq 'resetpw') || ($context eq 'createaccount') ||
+ ($context eq 'sso') || ($context eq 'link') || ($context eq 'retry')) {
+ $id = &md5_hex(&md5_hex(time.{}.rand().$$.$tmpsnum));
+ while ((-e "$execdir/tmp/$id.tmp") && ($numtries <10)) {
+ undef($id);
+ $id = &md5_hex(&md5_hex(time.{}.rand().$$.$tmpsnum));
+ $numtries ++;
+ }
} else {
$id = $$.'_'.$clientip.'_'.$tmpsnum;
}
$id=~s/\W/\_/g;
$record=~s/\n//g;
- my $execdir=$perlvar{'lonDaemons'};
- if ($store=IO::File->new(">$execdir/tmp/$id.tmp")) {
+ if (($id ne '') &&
+ ($store=IO::File->new(">$execdir/tmp/$id.tmp"))) {
print $store $record;
close $store;
&Reply($client, \$id, $userinput);
@@ -5072,6 +5798,116 @@ sub tmp_del_handler {
®ister_handler("tmpdel", \&tmp_del_handler, 0, 1, 0);
#
+# Process the updatebalcookie command. This command updates a
+# cookie in the lonBalancedir directory on a load balancer node.
+#
+# Parameters:
+# $cmd - Command that got us here.
+# $tail - Tail of the request (escaped cookie: escaped current entry)
+#
+# $client - socket open on the client process.
+#
+# Returns:
+# 1 - Indicating processing should continue.
+# Side Effects:
+# A cookie file is updated from the lonBalancedir directory
+# A reply is sent to the client.
+#
+sub update_balcookie_handler {
+ my ($cmd, $tail, $client) = @_;
+
+ my $userinput= "$cmd:$tail";
+ chomp($tail);
+ my ($cookie,$lastentry) = map { &unescape($_) } (split(/:/,$tail));
+
+ my $updatedone;
+ if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) {
+ my $execdir=$perlvar{'lonBalanceDir'};
+ if (-e "$execdir/$cookie.id") {
+ my $doupdate;
+ if (open(my $fh,'<',"$execdir/$cookie.id")) {
+ while (my $line = <$fh>) {
+ chomp($line);
+ if ($line eq $lastentry) {
+ $doupdate = 1;
+ last;
+ }
+ }
+ close($fh);
+ }
+ if ($doupdate) {
+ if (open(my $fh,'>',"$execdir/$cookie.id")) {
+ print $fh $clientname;
+ close($fh);
+ $updatedone = 1;
+ }
+ }
+ }
+ }
+ if ($updatedone) {
+ &Reply($client, "ok\n", $userinput);
+ } else {
+ &Failure( $client, "error: ".($!+0)."file update failed ".
+ "while attempting updatebalcookie\n", $userinput);
+ }
+ return 1;
+}
+®ister_handler("updatebalcookie", \&update_balcookie_handler, 0, 1, 0);
+
+#
+# Process the delbalcookie command. This command deletes a balancer
+# cookie in the lonBalancedir directory on a load balancer node.
+#
+# Parameters:
+# $cmd - Command that got us here.
+# $cookie - Cookie to be deleted.
+# $client - socket open on the client process.
+#
+# Returns:
+# 1 - Indicating processing should continue.
+# Side Effects:
+# A cookie file is deleted from the lonBalancedir directory
+# A reply is sent to the client.
+sub del_balcookie_handler {
+ my ($cmd, $cookie, $client) = @_;
+
+ my $userinput= "$cmd:$cookie";
+
+ chomp($cookie);
+ $cookie = &unescape($cookie);
+ my $deleted = '';
+ if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) {
+ my $execdir=$perlvar{'lonBalanceDir'};
+ if (-e "$execdir/$cookie.id") {
+ if (open(my $fh,'<',"$execdir/$cookie.id")) {
+ my $dodelete;
+ while (my $line = <$fh>) {
+ chomp($line);
+ if ($line eq $clientname) {
+ $dodelete = 1;
+ last;
+ }
+ }
+ close($fh);
+ if ($dodelete) {
+ if (unlink("$execdir/$cookie.id")) {
+ $deleted = 1;
+ }
+ }
+ }
+ }
+ }
+ if ($deleted) {
+ &Reply($client, "ok\n", $userinput);
+ } else {
+ &Failure( $client, "error: ".($!+0)."Unlinking cookie file Failed ".
+ "while attempting delbalcookie\n", $userinput);
+ }
+ return 1;
+}
+®ister_handler("delbalcookie", \&del_balcookie_handler, 0, 1, 0);
+
+#
# Processes the setannounce command. This command
# creates a file named announce.txt in the top directory of
# the documentn root and sets its contents. The announce.txt file is
@@ -5254,6 +6090,39 @@ sub validate_instcode_handler {
}
®ister_handler("autovalidateinstcode", \&validate_instcode_handler, 0, 1, 0);
+#
+# Validate co-owner for cross-listed institutional code and
+# institutional course code itself used for a LON-CAPA 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 string containing:
+# $dom - Course's LON-CAPA domain
+# $instcode - Institutional course code for the course
+# $inst_xlist - Institutional course Id for the crosslisting
+# $coowner - Username of co-owner
+# (values for all but $dom have been escaped).
+#
+# $client - Socket open on the client.
+# Returns:
+# 1 - Indicating processing should continue.
+#
+sub validate_instcrosslist_handler {
+ my ($cmd, $tail, $client) = @_;
+ my $userinput = "$cmd:$tail";
+ my ($dom,$instcode,$inst_xlist,$coowner) = split(/:/,$tail);
+ $instcode = &unescape($instcode);
+ $inst_xlist = &unescape($inst_xlist);
+ $coowner = &unescape($coowner);
+ my $outcome = &localenroll::validate_crosslist_access($dom,$instcode,
+ $inst_xlist,$coowner);
+ &Reply($client, \$outcome, $userinput);
+
+ return 1;
+}
+®ister_handler("autovalidateinstcrosslist", \&validate_instcrosslist_handler, 0, 1, 0);
+
# Get the official sections for which auto-enrollment is possible.
# Since the admin people won't know about 'unofficial sections'
# we cannot auto-enroll on them.
@@ -5350,9 +6219,10 @@ sub validate_course_section_handler {
# 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 words that will be split into:
+# set of values that will be split into:
# $inst_class - Institutional code for the specific class section
-# $courseowner - The escaped username:domain of the course owner
+# $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.
# $client - The socket open on the client.
@@ -5377,6 +6247,112 @@ sub validate_class_access_handler {
®ister_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0);
#
+# Modify institutional sections (using customized &instsec_reformat()
+# routine in localenroll.pm), to either clutter or declutter, for
+# purposes of ensuring an institutional course section (string) can
+# be unambiguously separated into institutional course and section.
+#
+# 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:
+# $cdom - The LON-CAPA domain of the course.
+# $action - Either: clutter or declutter
+# clutter adds character(s) to eliminate ambiguity
+# declutter removes the added characters (e.g., for
+# display of the institutional course section string.
+# $info - A frozen hash in which keys are:
+# LON-CAPA course number:Institutional course code
+# and values are a reference to an array of the
+# items to modify -- either institutional sections,
+# or institutional course sections (for crosslistings).
+# $client - The socket open on the client.
+# Returns:
+# 1 - continue processing.
+#
+
+sub instsec_reformat_handler {
+ my ($cmd, $tail, $client) = @_;
+ my $userinput = "$cmd:$tail";
+ my ($cdom,$action,$info) = split(/:/,$tail);
+ my $instsecref = &Apache::lonnet::thaw_unescape($info);
+ my ($outcome,$result);
+ eval {
+ local($SIG{__DIE__})='DEFAULT';
+ $outcome=&localenroll::instsec_reformat($cdom,$action,$instsecref);
+ if ($outcome eq 'ok') {
+ if (ref($instsecref) eq 'HASH') {
+ foreach my $key (keys(%{$instsecref})) {
+ $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($instsecref->{$key}).'&';
+ }
+ $result =~ s/\&$//;
+ }
+ }
+ };
+ if (!$@) {
+ if ($outcome eq 'ok') {
+ &Reply( $client, \$result, $userinput);
+ } else {
+ &Reply($client,\$outcome, $userinput);
+ }
+ } else {
+ &Failure($client,"unknown_cmd\n",$userinput);
+ }
+ return 1;
+}
+®ister_handler("autoinstsecreformat",\&instsec_reformat_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;
+}
+®ister_handler("autovalidateinstclasses", \&validate_classes_handler, 0, 1, 0);
+
+#
# 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
#
@@ -5454,8 +6430,7 @@ sub auto_export_grades_handler {
return 1;
}
®ister_handler("autoexportgrades", \&auto_export_grades_handler,
- 0, 1, 0);
-
+ 1, 1, 0);
# Retrieve and remove temporary files created by/during autoenrollment.
#
@@ -5463,7 +6438,7 @@ sub auto_export_grades_handler {
# $cmd - The command that got us dispatched.
# $tail - The tail of the command. In our case this is a colon
# separated list that will be split into:
-# $filename - The name of the file to remove.
+# $filename - The name of the file to retrieve.
# The filename is given as a path relative to
# the LonCAPA temp file directory.
# $client - Socket open on the client.
@@ -5477,8 +6452,11 @@ sub retrieve_auto_file_handler {
my ($filename) = split(/:/, $tail);
my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename;
+
if ($filename =~m{/\.\./}) {
&Failure($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 = '';
if (open(my $fh,$source)) {
@@ -5511,7 +6489,7 @@ sub crsreq_checks_handler {
my $userinput = "$cmd:$tail";
my $dom = $tail;
my $result;
- my @reqtypes = ('official','unofficial','community','textbook');
+ my @reqtypes = ('official','unofficial','community','textbook','placement');
eval {
local($SIG{__DIE__})='DEFAULT';
my %validations;
@@ -6116,12 +7094,13 @@ sub get_request {
#
# Parameters:
# user_input - The request received from the client (lonc).
+#
# Returns:
# true to keep processing, false if caller should exit.
#
sub process_request {
- my ($userinput) = @_; # Easier for now to break style than to
- # fix all the userinput -> user_input.
+ my ($userinput) = @_; # Easier for now to break style than to
+ # fix all the userinput -> user_input.
my $wasenc = 0; # True if request was encrypted.
# ------------------------------------------------------------ See if encrypted
# for command
@@ -6201,6 +7180,62 @@ sub process_request {
Debug("Client not privileged to do this operation");
$ok = 0;
}
+ if ($ok) {
+ my $realcommand = $command;
+ if ($command eq 'querysend') {
+ my ($query,$rest)=split(/\:/,$tail,2);
+ $query=~s/\n*$//g;
+ my @possqueries =
+ qw(userlog courselog fetchenrollment institutionalphotos usersearch instdirsearch getinstuser getmultinstusers);
+ if (grep(/^\Q$query\E$/,@possqueries)) {
+ $command .= '_'.$query;
+ } elsif ($query eq 'prepare activity log') {
+ $command .= '_activitylog';
+ }
+ }
+ if (ref($trust{$command}) eq 'HASH') {
+ my $donechecks;
+ if ($trust{$command}{'anywhere'}) {
+ $donechecks = 1;
+ } elsif ($trust{$command}{'manageronly'}) {
+ unless (&isManager()) {
+ $ok = 0;
+ }
+ $donechecks = 1;
+ } elsif ($trust{$command}{'institutiononly'}) {
+ unless ($clientsameinst) {
+ $ok = 0;
+ }
+ $donechecks = 1;
+ } elsif ($clientsameinst) {
+ $donechecks = 1;
+ }
+ unless ($donechecks) {
+ foreach my $rule (keys(%{$trust{$command}})) {
+ next if ($rule eq 'remote');
+ if ($trust{$command}{$rule}) {
+ if ($clientprohibited{$rule}) {
+ $ok = 0;
+ } else {
+ $ok = 1;
+ $donechecks = 1;
+ last;
+ }
+ }
+ }
+ }
+ unless ($donechecks) {
+ if ($trust{$command}{'remote'}) {
+ if ($clientremoteok) {
+ $ok = 1;
+ } else {
+ $ok = 0;
+ }
+ }
+ }
+ }
+ $command = $realcommand;
+ }
if($ok) {
Debug("Dispatching to handler $command $tail");
@@ -6211,8 +7246,7 @@ sub process_request {
Failure($client, "refused\n", $userinput);
return 1;
}
-
- }
+ }
print $client "unknown_cmd\n";
# -------------------------------------------------------------------- complete
@@ -6352,8 +7386,8 @@ my $wwwid=getpwnam('www');
if ($wwwid!=$<) {
my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
my $subj="LON: $currenthostid User ID mismatch";
- system("echo 'User ID mismatch. lond must be run as user www.' |\
- mailto $emailto -s '$subj' > /dev/null");
+ system("echo 'User ID mismatch. lond must be run as user www.' |".
+ " mail -s '$subj' $emailto > /dev/null");
exit 1;
}
@@ -6469,6 +7503,7 @@ sub UpdateHosts {
# will take care of new and changed hosts as connections come into being.
&Apache::lonnet::reset_hosts_info();
+ my %active;
foreach my $child (keys(%children)) {
my $childip = $children{$child};
@@ -6478,15 +7513,62 @@ sub UpdateHosts {
." $child for ip $childip </font>");
kill('INT', $child);
} else {
+ $active{$child} = $childip;
logthis('<font color="green"> keeping child for ip '
." $childip (pid=$child) </font>");
}
}
+
+ my %oldconf = %secureconf;
+ my %connchange;
+ if (lonssl::Read_Connect_Config(\%secureconf,\%perlvar,\%crlchecked) eq 'ok') {
+ logthis('<font color="blue"> Reloaded SSL connection rules and cleared CRL checking history </font>');
+ } else {
+ logthis('<font color="yellow"> Failed to reload SSL connection rules and clear CRL checking history </font>');
+ }
+ if ((ref($oldconf{'connfrom'}) eq 'HASH') && (ref($secureconf{'connfrom'}) eq 'HASH')) {
+ foreach my $type ('dom','intdom','other') {
+ if ((($oldconf{'connfrom'}{$type} eq 'no') && ($secureconf{'connfrom'}{$type} eq 'req')) ||
+ (($oldconf{'connfrom'}{$type} eq 'req') && ($secureconf{'connfrom'}{$type} eq 'no'))) {
+ $connchange{$type} = 1;
+ }
+ }
+ }
+ if (keys(%connchange)) {
+ foreach my $child (keys(%active)) {
+ my $childip = $active{$child};
+ if ($childip ne '127.0.0.1') {
+ my $childhostname = gethostbyaddr(Socket::inet_aton($childip),AF_INET);
+ if ($childhostname ne '') {
+ my $childlonhost = &Apache::lonnet::get_server_homeID($childhostname);
+ my ($samedom,$sameinst) = &set_client_info($childlonhost);
+ if ($samedom) {
+ if ($connchange{'dom'}) {
+ logthis('<font color="blue"> UpdateHosts killing child '
+ ." $child for ip $childip </font>");
+ kill('INT', $child);
+ }
+ } elsif ($sameinst) {
+ if ($connchange{'intdom'}) {
+ logthis('<font color="blue"> UpdateHosts killing child '
+ ." $child for ip $childip </font>");
+ kill('INT', $child);
+ }
+ } else {
+ if ($connchange{'other'}) {
+ logthis('<font color="blue"> UpdateHosts killing child '
+ ." $child for ip $childip </font>");
+ kill('INT', $child);
+ }
+ }
+ }
+ }
+ }
+ }
ReloadApache;
&status("Finished reloading hosts.tab");
}
-
sub checkchildren {
&status("Checking on the children (sending signals)");
&initnewstatus();
@@ -6556,6 +7638,9 @@ sub Debug {
# reply - Text to send to client.
# request - Original request from client.
#
+#NOTE $reply must be terminated by exactly *one* \n. If $reply is a reference
+#this is done automatically ($$reply must not contain any \n in this case).
+#If $reply is a string the caller has to ensure this.
sub Reply {
my ($fd, $reply, $request) = @_;
if (ref($reply)) {
@@ -6718,6 +7803,10 @@ if ($arch eq 'unknown') {
chomp($arch);
}
+unless (lonssl::Read_Connect_Config(\%secureconf,\%perlvar,\%crlchecked) eq 'ok') {
+ &logthis('<font color="blue">No connectionrules table. Will fallback to loncapa.conf</font>');
+}
+
# --------------------------------------------------------------
# Accept connections. When a connection comes in, it is validated
# and if good, a child process is created to process transactions
@@ -6803,13 +7892,13 @@ sub make_new_child {
&Authen::Krb5::init_context();
my $no_ets;
- if ($dist =~ /^(?:centos|rhes|scientific)(\d+)$/) {
+ if ($dist =~ /^(?:centos|rhes|scientific|oracle|rocky|alma)(\d+)/) {
if ($1 >= 7) {
$no_ets = 1;
}
} elsif ($dist =~ /^suse(\d+\.\d+)$/) {
if (($1 eq '9.3') || ($1 >= 12.2)) {
- $no_ets = 1;
+ $no_ets = 1;
}
} elsif ($dist =~ /^sles(\d+)$/) {
if ($1 > 11) {
@@ -6821,8 +7910,8 @@ sub make_new_child {
}
}
unless ($no_ets) {
- &Authen::Krb5::init_ets();
- }
+ &Authen::Krb5::init_ets();
+ }
&status('Accepted connection');
# =============================================================================
@@ -6866,17 +7955,42 @@ sub make_new_child {
# If the remote is attempting a local init... give that a try:
#
(my $i, my $inittype, $clientversion) = split(/:/, $remotereq);
- # For LON-CAPA 2.9, the client session will have sent its LON-CAPA
- # version when initiating the connection. For LON-CAPA 2.8 and older,
- # the version is retrieved from the global %loncaparevs in lonnet.pm.
- # $clientversion contains path to keyfile if $inittype eq 'local'
- # it's overridden below in this case
- $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
+ # For LON-CAPA 2.9, the client session will have sent its LON-CAPA
+ # version when initiating the connection. For LON-CAPA 2.8 and older,
+ # the version is retrieved from the global %loncaparevs in lonnet.pm.
+ # $clientversion contains path to keyfile if $inittype eq 'local'
+ # it's overridden below in this case
+ $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
# If the connection type is ssl, but I didn't get my
# certificate files yet, then I'll drop back to
# insecure (if allowed).
-
+
+ if ($inittype eq "ssl") {
+ my $context;
+ if ($clientsamedom) {
+ $context = 'dom';
+ if ($secureconf{'connfrom'}{'dom'} eq 'no') {
+ $inittype = "";
+ }
+ } elsif ($clientsameinst) {
+ $context = 'intdom';
+ if ($secureconf{'connfrom'}{'intdom'} eq 'no') {
+ $inittype = "";
+ }
+ } else {
+ $context = 'other';
+ if ($secureconf{'connfrom'}{'other'} eq 'no') {
+ $inittype = "";
+ }
+ }
+ if ($inittype eq '') {
+ &logthis("<font color=\"blue\"> Domain config set "
+ ."to no ssl for $clientname (context: $context)"
+ ." -- trying insecure auth</font>");
+ }
+ }
+
if($inittype eq "ssl") {
my ($ca, $cert) = lonssl::CertificateFile;
my $kfile = lonssl::KeyFile;
@@ -6909,7 +8023,7 @@ sub make_new_child {
close $client;
}
} elsif ($inittype eq "ssl") {
- my $key = SSLConnection($client);
+ my $key = SSLConnection($client,$clientname);
if ($key) {
$clientok = 1;
my $cipherkey = pack("H32", $key);
@@ -6936,7 +8050,6 @@ sub make_new_child {
."Attempted insecure connection disallowed </font>");
close $client;
$clientok = 0;
-
}
}
} else {
@@ -6945,7 +8058,6 @@ sub make_new_child {
."$clientip failed to initialize: >$remotereq< </font>");
&status('No init '.$clientip);
}
-
} else {
&logthis(
"<font color='blue'>WARNING: Unknown client $clientip</font>");
@@ -6963,15 +8075,13 @@ sub make_new_child {
# ------------------------------------------------------------ Process requests
my $keep_going = 1;
my $user_input;
- my $clienthost = &Apache::lonnet::hostname($clientname);
- my $clientserverhomeID = &Apache::lonnet::get_server_homeID($clienthost);
- $clienthomedom = &Apache::lonnet::host_domain($clientserverhomeID);
+
while(($user_input = get_request) && $keep_going) {
alarm(120);
Debug("Main: Got $user_input\n");
$keep_going = &process_request($user_input);
alarm(0);
- &status('Listening to '.$clientname." ($keymode)");
+ &status('Listening to '.$clientname." ($keymode)");
}
# --------------------------------------------- client unknown or fishy, refuse
@@ -6981,20 +8091,89 @@ sub make_new_child {
&logthis("<font color='blue'>WARNING: "
."Rejected client $clientip, closing connection</font>");
}
- }
+ }
# =============================================================================
&logthis("<font color='red'>CRITICAL: "
."Disconnect from $clientip ($clientname)</font>");
-
-
+
+
# this exit is VERY important, otherwise the child will become
# a producer of more and more children, forking yourself into
# process death.
exit;
}
+
+#
+# Used to determine if a particular client is from the same domain
+# as the current server, or from the same internet domain, and
+# also if the client can host sessions for the domain's users.
+# A hash is populated with keys set to commands sent by the client
+# which may not be executed for this domain.
+#
+# Optional input -- the client to check for domain and internet domain.
+# If not specified, defaults to the package variable: $clientname
+#
+# If called in array context will not set package variables, but will
+# instead return an array of two values - (a) true if client is in the
+# same domain as the server, and (b) true if client is in the same
+# internet domain.
+#
+# If called in scalar context, sets package variables for current client:
+#
+# $clienthomedom - LonCAPA domain of homeID for client.
+# $clientsamedom - LonCAPA domain same for this host and client.
+# $clientintdom - LonCAPA "internet domain" for client.
+# $clientsameinst - LonCAPA "internet domain" same for this host & client.
+# $clientremoteok - If current domain permits hosting on this client: 1
+# %clientprohibited - Commands prohibited for domain's users for this client.
+#
+# if the host and client have the same "internet domain", then the value
+# of $clientremoteok is not used, and no commands are prohibited.
+#
+# returns 1 to indicate package variables have been set for current client.
+#
+
+sub set_client_info {
+ my ($lonhost) = @_;
+ $lonhost ||= $clientname;
+ my $clienthost = &Apache::lonnet::hostname($lonhost);
+ my $clientserverhomeID = &Apache::lonnet::get_server_homeID($clienthost);
+ my $homedom = &Apache::lonnet::host_domain($clientserverhomeID);
+ my $samedom = 0;
+ if ($perlvar{'lonDefDomain'} eq $homedom) {
+ $samedom = 1;
+ }
+ my $intdom = &Apache::lonnet::internet_dom($clientserverhomeID);
+ my $sameinst = 0;
+ if ($intdom ne '') {
+ my $internet_names = &Apache::lonnet::get_internet_names($currenthostid);
+ if (ref($internet_names) eq 'ARRAY') {
+ if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
+ $sameinst = 1;
+ }
+ }
+ }
+ if (wantarray) {
+ return ($samedom,$sameinst);
+ } else {
+ $clienthomedom = $homedom;
+ $clientsamedom = $samedom;
+ $clientintdom = $intdom;
+ $clientsameinst = $sameinst;
+ if ($clientsameinst) {
+ undef($clientremoteok);
+ undef(%clientprohibited);
+ } else {
+ $clientremoteok = &get_remote_hostable($currentdomainid);
+ %clientprohibited = &get_prohibited($currentdomainid);
+ }
+ return 1;
+ }
+}
+
#
# Determine if a user is an author for the indicated domain.
#
@@ -7103,15 +8282,25 @@ sub password_filename {
# domain - domain of the user.
# name - User's name.
# contents - New contents of the file.
+# saveold - (optional). If true save old file in a passwd.bak file.
# Returns:
# 0 - Failed.
# 1 - Success.
#
sub rewrite_password_file {
- my ($domain, $user, $contents) = @_;
+ my ($domain, $user, $contents, $saveold) = @_;
my $file = &password_filename($domain, $user);
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");
if($pf) {
print $pf "$contents\n";
@@ -7202,20 +8391,27 @@ sub validate_user {
$contentpwd = $domdefaults{'auth_arg_def'};
}
}
- }
+ }
if ($howpwd ne 'nouser') {
if($howpwd eq "internal") { # Encrypted is in local password file.
if (length($contentpwd) == 13) {
$validated = (crypt($password,$contentpwd) eq $contentpwd);
if ($validated) {
- my $ncpass = &hash_passwd($domain,$password);
- if (&rewrite_password_file($domain,$user,"$howpwd:$ncpass")) {
- &update_passwd_history($user,$domain,$howpwd,'conversion');
- &logthis("Validated password hashed with bcrypt for $user:$domain");
+ 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);
+ $validated = &check_internal_passwd($password,$contentpwd,$domain,$user);
}
}
elsif ($howpwd eq "unix") { # User is a normal unix user.
@@ -7285,24 +8481,35 @@ sub validate_user {
}
sub check_internal_passwd {
- my ($plainpass,$stored,$domain) = @_;
+ my ($plainpass,$stored,$domain,$user) = @_;
my (undef,$method,@rest) = split(/!/,$stored);
- if ($method eq "bcrypt") {
+ if ($method eq 'bcrypt') {
my $result = &hash_passwd($domain,$plainpass,@rest);
if ($result ne $stored) {
return 0;
}
- # Upgrade to a larger number of rounds if necessary
- my $defaultcost;
- my %domconfig =
- &Apache::lonnet::get_dom('configuration',['password'],$domain);
- if (ref($domconfig{'password'}) eq 'HASH') {
- $defaultcost = $domconfig{'password'}{'cost'};
- }
- if (($defaultcost eq '') || ($defaultcost =~ /D/)) {
- $defaultcost = 10;
+ my %domdefaults = &Apache::lonnet::get_domain_defaults($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 ($domdefaults{'intauth_check'} == 2) {
+ return 0;
+ }
+ }
+ } else {
+ return 1;
}
- return 1 unless($rest[0]<$defaultcost);
}
return 0;
}
@@ -7650,8 +8857,8 @@ sub make_passwd_file {
&Debug("Creating internal auth");
my $pf = IO::File->new(">$passfilename");
if($pf) {
- print $pf "internal:$ncpass\n";
- &update_passwd_history($uname,$udom,$umode,$action);
+ print $pf "internal:$ncpass\n";
+ &update_passwd_history($uname,$udom,$umode,$action);
} else {
$result = "pass_file_failed_error";
}
@@ -7678,6 +8885,14 @@ sub make_passwd_file {
$result = "pass_file_failed_error";
}
}
+ } elsif ($umode eq 'lti') {
+ my $pf = IO::File->new(">$passfilename");
+ if($pf) {
+ print $pf "lti:\n";
+ &update_passwd_history($uname,$udom,$umode,$action);
+ } else {
+ $result = "pass_file_failed_error";
+ }
} else {
$result="auth_mode_error";
}
@@ -7702,6 +8917,7 @@ sub sethost {
eq &Apache::lonnet::get_host_ip($hostid)) {
$currenthostid =$hostid;
$currentdomainid=&Apache::lonnet::host_domain($hostid);
+ &set_client_info();
# &logthis("Setting hostid to $hostid, and domain to $currentdomainid");
} else {
&logthis("Requested host id $hostid not an alias of ".
@@ -7724,14 +8940,85 @@ sub get_usersession_config {
return $usersessionconf;
} else {
my %domconfig = &Apache::lonnet::get_dom('configuration',['usersessions'],$dom);
- if (ref($domconfig{'usersessions'}) eq 'HASH') {
- &Apache::lonnet::do_cache_new($name,$dom,$domconfig{'usersessions'},3600);
- return $domconfig{'usersessions'};
- }
+ &Apache::lonnet::do_cache_new($name,$dom,$domconfig{'usersessions'},3600);
+ return $domconfig{'usersessions'};
}
return;
}
+sub get_usersearch_config {
+ my ($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'},600);
+ return $domconfig{'directorysrch'};
+ }
+ return;
+}
+
+sub get_prohibited {
+ my ($dom) = @_;
+ my $name = 'trust';
+ my ($trustconfig,$cached)=&Apache::lonnet::is_cached_new($name,$dom);
+ unless (defined($cached)) {
+ my %domconfig = &Apache::lonnet::get_dom('configuration',['trust'],$dom);
+ &Apache::lonnet::do_cache_new($name,$dom,$domconfig{'trust'},3600);
+ $trustconfig = $domconfig{'trust'};
+ }
+ my %prohibited;
+ if (ref($trustconfig)) {
+ foreach my $prefix (keys(%{$trustconfig})) {
+ if (ref($trustconfig->{$prefix}) eq 'HASH') {
+ my $reject;
+ if (ref($trustconfig->{$prefix}->{'exc'}) eq 'ARRAY') {
+ if (grep(/^\Q$clientintdom\E$/,@{$trustconfig->{$prefix}->{'exc'}})) {
+ $reject = 1;
+ }
+ }
+ if (ref($trustconfig->{$prefix}->{'inc'}) eq 'ARRAY') {
+ if (grep(/^\Q$clientintdom\E$/,@{$trustconfig->{$prefix}->{'inc'}})) {
+ $reject = 0;
+ } else {
+ $reject = 1;
+ }
+ }
+ if ($reject) {
+ $prohibited{$prefix} = 1;
+ }
+ }
+ }
+ }
+ return %prohibited;
+}
+
+sub get_remote_hostable {
+ my ($dom) = @_;
+ my $result;
+ if ($clientintdom) {
+ $result = 1;
+ my $remsessconf = &get_usersession_config($dom,'remotesession');
+ if (ref($remsessconf) eq 'HASH') {
+ if (ref($remsessconf->{'remote'}) eq 'HASH') {
+ if (ref($remsessconf->{'remote'}->{'excludedomain'}) eq 'ARRAY') {
+ if (grep(/^\Q$clientintdom\E$/,@{$remsessconf->{'remote'}->{'excludedomain'}})) {
+ $result = 0;
+ }
+ }
+ if (ref($remsessconf->{'remote'}->{'includedomain'}) eq 'ARRAY') {
+ if (grep(/^\Q$clientintdom\E$/,@{$remsessconf->{'remote'}->{'includedomain'}})) {
+ $result = 1;
+ } else {
+ $result = 0;
+ }
+ }
+ }
+ }
+ }
+ return $result;
+}
sub distro_and_arch {
return $dist.':'.$arch;
@@ -7916,7 +9203,7 @@ Allow for a password to be set.
Make a user.
-=item passwd
+=item changeuserauth
Allow for authentication mechanism and password to be changed.
@@ -8005,6 +9292,10 @@ for each student, defined perhaps by the
Returns usernames corresponding to IDs. (These "IDs" are unique identifiers
for each student, defined perhaps by the institutional Registrar.)
+=item iddel
+
+Deletes one or more ids in a domain's id database.
+
=item tmpput
Accept and store information in temporary space.
@@ -8054,13 +9345,14 @@ IO::File
Apache::File
POSIX
Crypt::IDEA
-LWP::UserAgent()
GDBM_File
Authen::Krb4
Authen::Krb5
=head1 COREQUISITES
+none
+
=head1 OSNAMES
linux
@@ -8134,7 +9426,7 @@ is closed and the child exits.
=item Red CRITICAL Can't get key file <error>
SSL key negotiation is being attempted but the call to
-lonssl::KeyFile failed. This usually means that the
+lonssl::KeyFile failed. This usually means that the
configuration file is not correctly defining or protecting
the directories/files lonCertificateDirectory or
lonnetPrivateKey
@@ -8148,9 +9440,9 @@ or the CA's certificate in the call to l
<error> is the textual reason this failed. Usual reasons:
=over 2
-
+
=item Apache config file for loncapa incorrect:
-
+
one of the variables
lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate
undefined or incorrect
@@ -8269,7 +9561,7 @@ Could not rewrite the
internal password file for a user
=item Result of password change for <user> : <result>
-
+
A unix password change for <user> was attempted
and the pipe returned <result>
@@ -8298,7 +9590,7 @@ lond has been asked to exit by its clien
client systemand <input> is the full exit command sent to the server.
=item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].
-
+
A lond child terminated. NOte that this termination can also occur when the
child receives the QUIT or DIE signals. <pid> is the process id of the child,
<hostname> the host lond is working for, and <message> the reason the child died
@@ -8382,7 +9674,7 @@ file when sent it's USR1 signal. That p
assumed to be hung in some un-fixable way.
=item Finished checking children
-
+
Master processs's USR1 processing is cojmplete.
=item (Red) CRITICAL: ------- Starting ------
@@ -8396,7 +9688,7 @@ Started a new child process for <client>
connected to the child. This was as a result of a TCP/IP connection from a client.
=item Unable to determine who caller was, getpeername returned nothing
-
+
In child process initialization. either getpeername returned undef or
a zero sized object was returned. Processing continues, but in my opinion,
this should be cause for the child to exit.
@@ -8407,7 +9699,7 @@ In child process initialization. The pe
The client address is stored as "Unavailable" and processing continues.
=item (Yellow) INFO: Connection <ip> <name> connection type = <type>
-
+
In child initialization. A good connectionw as received from <ip>.
=over 2
@@ -8457,7 +9749,7 @@ The client (<client> is the peer's name
negotiated an SSL connection with this child process.
=item (Green) Successful insecure authentication with <client>
-
+
The client has successfully negotiated an insecure connection withthe child process.