--- loncom/lonnet/perl/lonnet.pm 2019/08/19 17:27:49 1.1172.2.110
+++ loncom/lonnet/perl/lonnet.pm 2020/01/21 14:01:54 1.1172.2.120
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.1172.2.110 2019/08/19 17:27:49 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.120 2020/01/21 14:01:54 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -78,7 +78,7 @@ use CGI::Cookie;
use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $deftex
$_64bit %env %protocol %loncaparevs %serverhomeIDs %needsrelease
- %managerstab);
+ %managerstab $passwdmin);
my (%badServerCache, $memcache, %courselogs, %accesshash, %domainrolehash,
%userrolehash, $processmarker, $dumpcount, %coursedombuf,
@@ -263,9 +263,10 @@ sub get_server_loncaparev {
if ($caller eq 'loncron') {
my $ua=new LWP::UserAgent;
$ua->timeout(4);
+ my $hostname = &hostname($lonhost);
my $protocol = $protocol{$lonhost};
$protocol = 'http' if ($protocol ne 'https');
- my $url = $protocol.'://'.&hostname($lonhost).'/adm/about.html';
+ my $url = $protocol.'://'.$hostname.'/adm/about.html';
my $request=new HTTP::Request('GET',$url);
my $response=$ua->request($request);
unless ($response->is_error()) {
@@ -409,8 +410,26 @@ sub reply {
unless (defined(&hostname($server))) { return 'no_such_host'; }
my $answer=subreply($cmd,$server);
if (($answer=~/^refused/) || ($answer=~/^rejected/)) {
- &logthis("WARNING:".
- " $cmd to $server returned $answer");
+ my $logged = $cmd;
+ if ($cmd =~ /^encrypt:([^:]+):/) {
+ my $subcmd = $1;
+ if (($subcmd eq 'auth') || ($subcmd eq 'passwd') ||
+ ($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') ||
+ ($subcmd eq 'putdom') || ($subcmd eq 'autoexportgrades')) {
+ (undef,undef,my @rest) = split(/:/,$cmd);
+ if (($subcmd eq 'auth') || ($subcmd eq 'putdom')) {
+ splice(@rest,2,1,'Hidden');
+ } elsif ($subcmd eq 'passwd') {
+ splice(@rest,2,2,('Hidden','Hidden'));
+ } elsif (($subcmd eq 'changeuserauth') || ($subcmd eq 'makeuser') ||
+ ($subcmd eq 'autoexportgrades')) {
+ splice(@rest,3,1,'Hidden');
+ }
+ $logged = join(':',('encrypt:'.$subcmd,@rest));
+ }
+ }
+ &logthis("WARNING:".
+ " $logged to $server returned $answer");
}
return $answer;
}
@@ -879,6 +898,7 @@ sub userload {
while ($filename=readdir(LONIDS)) {
next if ($filename eq '.' || $filename eq '..');
next if ($filename =~ /publicuser_\d+\.id/);
+ next if ($filename =~ /^[a-f0-9]+_linked\.id$/);
my ($mtime)=(stat($perlvar{'lonIDsDir'}.'/'.$filename))[9];
if ($curtime-$mtime < 1800) { $numusers++; }
}
@@ -934,13 +954,13 @@ sub spareserver {
}
if (!$want_server_name) {
- my $protocol = 'http';
- if ($protocol{$spare_server} eq 'https') {
- $protocol = $protocol{$spare_server};
- }
if (defined($spare_server)) {
my $hostname = &hostname($spare_server);
if (defined($hostname)) {
+ my $protocol = 'http';
+ if ($protocol{$spare_server} eq 'https') {
+ $protocol = $protocol{$spare_server};
+ }
$spare_server = $protocol.'://'.$hostname;
}
}
@@ -1177,6 +1197,9 @@ sub changepass {
} elsif ($answer =~ "invalid_client") {
&logthis("$server refused to change $uname in $udom password because ".
"it was a reset by e-mail originating from an invalid server.");
+ } elsif ($answer =~ "^prioruse") {
+ &logthis("$server refused to change $uname in $udom password because ".
+ "the password had been used before");
}
return $answer;
}
@@ -1963,6 +1986,17 @@ sub inst_directory_query {
my $homeserver = &domain($udom,'primary');
my $outcome;
if ($homeserver ne '') {
+ unless ($homeserver eq $perlvar{'lonHostID'}) {
+ if ($srch->{'srchby'} eq 'email') {
+ my $lcrev = &get_server_loncaparev($udom,$homeserver);
+ my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+\'?$/);
+ if (($major eq '' && $minor eq '') || ($major < 2) ||
+ (($major == 2) && ($minor < 11)) ||
+ (($major == 2) && ($minor == 11) && ($subver < 3))) {
+ return;
+ }
+ }
+ }
my $queryid=&reply("querysend:instdirsearch:".
&escape($srch->{'srchby'}).':'.
&escape($srch->{'srchterm'}).':'.
@@ -2004,6 +2038,15 @@ sub usersearch {
my $query = 'usersearch';
foreach my $tryserver (keys(%libserv)) {
if (&host_domain($tryserver) eq $dom) {
+ unless ($tryserver eq $perlvar{'lonHostID'}) {
+ if ($srch->{'srchby'} eq 'email') {
+ my $lcrev = &get_server_loncaparev($dom,$tryserver);
+ my ($major,$minor,$subver) = ($lcrev =~ /^\'?(\d+)\.(\d+)\.(\d+)[\w.\-]+\'?$/);
+ next if (($major eq '' && $minor eq '') || ($major < 2) ||
+ (($major == 2) && ($minor < 11)) ||
+ (($major == 2) && ($minor == 11) && ($subver < 3)));
+ }
+ }
my $host=&hostname($tryserver);
my $queryid=
&reply("querysend:".&escape($query).':'.
@@ -2446,6 +2489,29 @@ sub retrieve_instcodes {
return $totcodes;
}
+# --------------------------------------------- Get domain config for passwords
+
+sub get_passwdconf {
+ my ($dom) = @_;
+ my (%passwdconf,$gotconf,$lookup);
+ my ($result,$cached)=&is_cached_new('passwdconf',$dom);
+ if (defined($cached)) {
+ if (ref($result) eq 'HASH') {
+ %passwdconf = %{$result};
+ $gotconf = 1;
+ }
+ }
+ unless ($gotconf) {
+ my %domconfig = &get_dom('configuration',['passwords'],$dom);
+ if (ref($domconfig{'passwords'}) eq 'HASH') {
+ %passwdconf = %{$domconfig{'passwords'}};
+ }
+ my $cachetime = 24*60*60;
+ &do_cache_new('passwdconf',$dom,\%passwdconf,$cachetime);
+ }
+ return %passwdconf;
+}
+
# --------------------------------------------------- Assign a key to a student
sub assign_access_key {
@@ -3107,13 +3173,13 @@ sub remove_stale_resfile {
(grep { $_ eq $homeserver } ¤t_machine_ids())) {
my $fname = &filelocation('',$url);
if (-e $fname) {
- my $ua=new LWP::UserAgent;
- $ua->timeout(5);
- my $protocol = $protocol{$homeserver};
- $protocol = 'http' if ($protocol ne 'https');
my $hostname = &hostname($homeserver);
if ($hostname) {
+ my $protocol = $protocol{$homeserver};
+ $protocol = 'http' if ($protocol ne 'https');
my $uri = $protocol.'://'.$hostname.'/raw/'.&declutter($url);
+ my $ua=new LWP::UserAgent;
+ $ua->timeout(5);
my $request=new HTTP::Request('HEAD',$uri);
my $response=$ua->request($request);
if ($response->is_success()) {
@@ -3311,13 +3377,13 @@ sub can_edit_resource {
$cfile = $template;
}
} elsif (($resurl =~ m{^/adm/wrapper/ext/}) && ($env{'form.folderpath'} =~ /^supplemental/)) {
- $incourse = 1;
- if ($env{'form.forceedit'}) {
- $forceview = 1;
- } else {
- $forceedit = 1;
- }
- $cfile = $resurl;
+ $incourse = 1;
+ if ($env{'form.forceedit'}) {
+ $forceview = 1;
+ } else {
+ $forceedit = 1;
+ }
+ $cfile = $resurl;
} elsif (($resurl eq '/adm/extresedit') && ($symb || $env{'form.folderpath'})) {
$incourse = 1;
$forceview = 1;
@@ -7839,8 +7905,34 @@ sub allowed {
if ($env{'user.priv.'.$env{'request.role'}.'.'.$courseuri}
=~/\Q$priv\E\&([^\:]*)/) {
- unless (($priv eq 'bro') && (!$ownaccess)) {
- $thisallowed.=$1;
+ if ($priv eq 'mip') {
+ my $rem = $1;
+ if (($uri ne '') && ($env{'request.course.id'} eq $uri) &&
+ ($env{'course.'.$env{'request.course.id'}.'.internal.courseowner'} eq $env{'user.name'}.':'.$env{'user.domain'})) {
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ if ($cdom ne '') {
+ my %passwdconf = &get_passwdconf($cdom);
+ if (ref($passwdconf{'crsownerchg'}) eq 'HASH') {
+ if (ref($passwdconf{'crsownerchg'}{'by'}) eq 'ARRAY') {
+ if (@{$passwdconf{'crsownerchg'}{'by'}}) {
+ my @inststatuses = split(':',$env{'environment.inststatus'});
+ unless (@inststatuses) {
+ @inststatuses = ('default');
+ }
+ foreach my $status (@inststatuses) {
+ if (grep(/^\Q$status\E$/,@{$passwdconf{'crsownerchg'}{'by'}})) {
+ $thisallowed.=$rem;
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ } else {
+ unless (($priv eq 'bro') && (!$ownaccess)) {
+ $thisallowed.=$1;
+ }
}
}
@@ -7923,6 +8015,16 @@ sub allowed {
if ($env{'request.course.id'}) {
+# If this is modifying password (internal auth) domains must match for user and user's role.
+
+ if ($priv eq 'mip') {
+ if ($env{'user.domain'} eq $env{'request.role.domain'}) {
+ return $thisallowed;
+ } else {
+ return '';
+ }
+ }
+
$courseprivid=$env{'request.course.id'};
if ($env{'request.course.sec'}) {
$courseprivid.='/'.$env{'request.course.sec'};
@@ -9719,7 +9821,22 @@ sub store_coowners {
sub modifyuserauth {
my ($udom,$uname,$umode,$upass)=@_;
my $uhome=&homeserver($uname,$udom);
- unless (&allowed('mau',$udom)) { return 'refused'; }
+ my $allowed;
+ if (&allowed('mau',$udom)) {
+ $allowed = 1;
+ } elsif (($umode eq 'internal') && ($udom eq $env{'user.domain'}) &&
+ ($env{'request.course.id'}) && (&allowed('mip',$env{'request.course.id'})) &&
+ (!$env{'course.'.$env{'request.course.id'}.'.internal.nopasswdchg'})) {
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ if (($cdom ne '') && ($cnum ne '')) {
+ my $is_owner = &is_course_owner($cdom,$cnum);
+ if ($is_owner) {
+ $allowed = 1;
+ }
+ }
+ }
+ unless ($allowed) { return 'refused'; }
&logthis('Call to modify user authentication '.$udom.', '.$uname.', '.
$umode.' by '.$env{'user.name'}.' at '.$env{'user.domain'}.
' in domain '.$env{'request.role.domain'});
@@ -12897,9 +13014,10 @@ sub repcopy_userfile {
my $request;
$uri=~s/^\///;
my $homeserver = &homeserver($cnum,$cdom);
+ my $hostname = &hostname($homeserver);
my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');
- $request=new HTTP::Request('GET',$protocol.'://'.&hostname($homeserver).'/raw/'.$uri);
+ $request=new HTTP::Request('GET',$protocol.'://'.$hostname.'/raw/'.$uri);
my $response=$ua->request($request,$transferfile);
# did it work?
if ($response->is_error()) {
@@ -12923,9 +13041,10 @@ sub tokenwrapper {
$file=~s|(\?\.*)*$||;
&appenv({"userfile.$udom/$uname/$file" => $env{'request.course.id'}});
my $homeserver = &homeserver($uname,$udom);
+ my $hostname = &hostname($homeserver);
my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');
- return $protocol.'://'.&hostname($homeserver).'/'.$uri.
+ return $protocol.'://'.$hostname.'/'.$uri.
(($uri=~/\?/)?'&':'?').'token='.$token.
'&tokenissued='.$perlvar{'lonHostID'};
} else {
@@ -12941,9 +13060,10 @@ sub getuploaded {
my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_;
$uri=~s/^\///;
my $homeserver = &homeserver($cnum,$cdom);
+ my $hostname = &hostname($homeserver);
my $protocol = $protocol{$homeserver};
$protocol = 'http' if ($protocol ne 'https');
- $uri = $protocol.'://'.&hostname($homeserver).'/raw/'.$uri;
+ $uri = $protocol.'://'.$hostname.'/raw/'.$uri;
my $ua=new LWP::UserAgent;
my $request=new HTTP::Request($reqtype,$uri);
my $response=$ua->request($request);
@@ -13118,6 +13238,44 @@ sub shared_institution {
return $same_intdom;
}
+sub uses_sts {
+ my ($ignore_cache) = @_;
+ my $lonhost = $perlvar{'lonHostID'};
+ my $hostname = &hostname($lonhost);
+ my $sts_on;
+ if ($protocol{$lonhost} eq 'https') {
+ my $cachetime = 12*3600;
+ if (!$ignore_cache) {
+ ($sts_on,my $cached)=&is_cached_new('stspolicy',$lonhost);
+ if (defined($cached)) {
+ return $sts_on;
+ }
+ }
+ my $url = $protocol{$lonhost}.'://'.$hostname.'/index.html';
+ my $request=new HTTP::Request('HEAD',$url);
+ my $response=&LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,'','','',1);
+ if ($response->is_success) {
+ my $has_sts = $response->header('Strict-Transport-Security');
+ if ($has_sts eq '') {
+ $sts_on = 0;
+ } else {
+ if ($has_sts =~ /\Qmax-age=\E(\d+)/) {
+ my $maxage = $1;
+ if ($maxage) {
+ $sts_on = 1;
+ } else {
+ $sts_on = 0;
+ }
+ } else {
+ $sts_on = 0;
+ }
+ }
+ return &do_cache_new('stspolicy',$lonhost,$sts_on,$cachetime);
+ }
+ }
+ return;
+}
+
# ------------------------------------------------------------- Declutters URLs
sub declutter {
@@ -13890,6 +14048,11 @@ BEGIN {
$deftex = LONCAPA::texengine();
}
+# ------------- set default minimum length for passwords for internal auth users
+{
+ $passwdmin = LONCAPA::passwd_min();
+}
+
$memcache=new Cache::Memcached({'servers' => ['127.0.0.1:11211'],
'compress_threshold'=> 20_000,
});