--- loncom/interface/lonuserutils.pm	2018/03/23 01:01:21	1.194
+++ loncom/interface/lonuserutils.pm	2019/04/29 22:19:24	1.195
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.194 2018/03/23 01:01:21 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.195 2019/04/29 22:19:24 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5866,6 +5866,51 @@ sub can_modify_userinfo {
     return %canmodify;
 }
 
+sub can_change_internalpass {
+    my ($uname,$udom,$crstype,$permission) = @_;
+    my $canchange;
+    if (&Apache::lonnet::allowed('mau',$udom)) {
+        $canchange = 1;
+    } elsif ((ref($permission) eq 'HASH') && ($permission->{'mip'}) &&
+             ($udom eq $env{'request.role.domain'})) {
+        unless ($env{'course.'.$env{'request.course.id'}.'.internal.nopasswdchg'}) {
+            my ($cnum,$cdom) = &get_course_identity();
+            if ((&Apache::lonnet::is_course_owner($cdom,$cnum)) && ($udom eq $env{'user.domain'})) {
+                my $noupdate;
+                my %owned = &Apache::lonnet::courseiddump($cdom,'.',1,'.',
+                                                          $env{'user.name'}.':'.$env{'user.domain'},
+                                                          undef,undef,undef,'.');
+                my %roleshash = &Apache::lonnet::get_my_roles($uname,$udom,'userroles',
+                                                              ['active','future']);
+                foreach my $key (keys(%roleshash)) {
+                    my ($name,$domain,$role) = split(/:/,$key);
+                    if ($role eq 'st') {
+                        next if (($name eq $cnum) && ($domain eq $cdom));
+                        if ($owned{$domain.'_'.$name}) {
+                            if (ref($owned{$domain.'_'.$name}) eq 'HASH') {
+                                if ($owned{$domain.'_'.$name}{'nopasswdchg'}) {
+                                    $noupdate = 1;
+                                    last;
+                                }
+                            }
+                        } else {
+                            $noupdate = 1;
+                            last;
+                        }
+                    } else {
+                        $noupdate = 1;
+                        last;
+                    }
+                }
+                unless ($noupdate) {
+                    $canchange = 1;
+                }
+            }
+        }
+    }
+    return $canchange;
+}
+
 sub check_usertype {
     my ($dom,$uname,$rules,$curr_rules,$got_rules) = @_;
     my $usertype;
@@ -5988,10 +6033,16 @@ sub get_permission {
             }
         }
         if ($env{'request.course.id'}) {
-            my $user = $env{'user.name'}.':'.$env{'user.domain'};
+            my $user;
+            if (($env{'user.name'} ne '') && ($env{'user.domain'} ne '')) {
+                $user = $env{'user.name'}.':'.$env{'user.domain'};
+            }
             if (($user ne '') && ($env{'course.'.$env{'request.course.id'}.'.internal.courseowner'} eq
                                   $user)) {
                 $permission{'owner'} = 1;
+                if (&Apache::lonnet::allowed('mip',$env{'request.course.id'})) {
+                    $permission{'mip'} = 1;
+                }
             } elsif (($user ne '') && ($env{'course.'.$env{'request.course.id'}.'.internal.co-owners'} ne '')) {
                 if (grep(/^\Q$user\E$/,split(/,/,$env{'course.'.$env{'request.course.id'}.'.internal.co-owners'}))) {
                     $permission{'co-owner'} = 1;