[LON-CAPA-cvs] cvs: loncom(version_2_11_X) /lonnet/perl lonnet.pm

raeburn raeburn at source.lon-capa.org
Sun Sep 2 19:22:50 EDT 2018


raeburn		Sun Sep  2 23:22:50 2018 EDT

  Modified files:              (Branch: version_2_11_X)
    /loncom/lonnet/perl	lonnet.pm 
  Log:
  - For 2.11
    Backport 1.1343 (part), 1.1350, 1.1351, 1.1355, 1.1358, 1.1359, 1.1376, 
    1.1379 (part)
  
  
-------------- next part --------------
Index: loncom/lonnet/perl/lonnet.pm
diff -u loncom/lonnet/perl/lonnet.pm:1.1172.2.95 loncom/lonnet/perl/lonnet.pm:1.1172.2.96
--- loncom/lonnet/perl/lonnet.pm:1.1172.2.95	Sun Sep  2 02:13:59 2018
+++ loncom/lonnet/perl/lonnet.pm	Sun Sep  2 23:22:47 2018
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # TCP networking package
 #
-# $Id: lonnet.pm,v 1.1172.2.95 2018/09/02 02:13:59 raeburn Exp $
+# $Id: lonnet.pm,v 1.1172.2.96 2018/09/02 23:22:47 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -142,7 +142,7 @@
 sub logtouch {
     my $execdir=$perlvar{'lonDaemons'};
     unless (-e "$execdir/logs/lonnet.log") {	
-	open(my $fh,">>$execdir/logs/lonnet.log");
+	open(my $fh,">>","$execdir/logs/lonnet.log");
 	close $fh;
     }
     my ($wwwuid,$wwwgid)=(getpwnam('www'))[2,3];
@@ -154,7 +154,7 @@
     my $execdir=$perlvar{'lonDaemons'};
     my $now=time;
     my $local=localtime($now);
-    if (open(my $fh,">>$execdir/logs/lonnet.log")) {
+    if (open(my $fh,">>","$execdir/logs/lonnet.log")) {
 	my $logstring = $local. " ($$): ".$message."\n"; # Keep any \'s in string.
 	print $fh $logstring;
 	close($fh);
@@ -167,7 +167,7 @@
     my $execdir=$perlvar{'lonDaemons'};
     my $now=time;
     my $local=localtime($now);
-    if (open(my $fh,">>$execdir/logs/lonnet.perm.log")) {
+    if (open(my $fh,">>","$execdir/logs/lonnet.perm.log")) {
 	print $fh "$now:$message:$local\n";
 	close($fh);
     }
@@ -436,7 +436,7 @@
 
     &logthis("Trying to reconnect lonc");
     my $loncfile="$perlvar{'lonDaemons'}/logs/lonc.pid";
-    if (open(my $fh,"<$loncfile")) {
+    if (open(my $fh,"<",$loncfile)) {
 	my $loncpid=<$fh>;
         chomp($loncpid);
         if (kill 0 => $loncpid) {
@@ -476,7 +476,7 @@
             $dumpcount++;
             {
 		my $dfh;
-		if (open($dfh,">$dfilename")) {
+		if (open($dfh,">",$dfilename)) {
 		    print $dfh "$cmd\n"; 
 		    close($dfh);
 		}
@@ -485,7 +485,7 @@
             my $wcmd='';
             {
 		my $dfh;
-		if (open($dfh,"<$dfilename")) {
+		if (open($dfh,"<",$dfilename)) {
 		    $wcmd=<$dfh>; 
 		    close($dfh);
 		}
@@ -601,7 +601,7 @@
 
 # ---------------------------------------------------- Check for valid session 
 sub check_for_valid_session {
-    my ($r,$name,$userhashref) = @_;
+    my ($r,$name,$userhashref,$domref) = @_;
     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
     if ($name eq '') {
         $name = 'lonID';
@@ -616,7 +616,16 @@
     } else {
         $lonidsdir=$r->dir_config('lonIDsDir');
     }
-    return undef if (!-e "$lonidsdir/$handle.id");
+    if (!-e "$lonidsdir/$handle.id") {
+        if ((ref($domref)) && ($name eq 'lonID') &&
+            ($handle =~ /^($match_username)\_\d+\_($match_domain)\_(.+)$/)) {
+            my ($possuname,$possudom,$possuhome) = ($1,$2,$3);
+            if ((&domain($possudom) ne '') && (&homeserver($possuname,$possudom) eq $possuhome)) {
+                $$domref = $possudom;
+            }
+        }
+        return undef;
+    }
 
     my $opened = open(my $idf,'+<',"$lonidsdir/$handle.id");
     return undef if (!$opened);
@@ -686,16 +695,19 @@
                 $env{$key}=$newenv->{$key};
             }
         }
-        my $opened = open(my $env_file,'+<',$env{'user.environment'});
-        if ($opened
-	    && &timed_flock($env_file,LOCK_EX)
-	    &&
-	    tie(my %disk_env,'GDBM_File',$env{'user.environment'},
-	        (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
-	    while (my ($key,$value) = each(%{$newenv})) {
-	        $disk_env{$key} = $value;
-	    }
-	    untie(%disk_env);
+        my $lonids = $perlvar{'lonIDsDir'};
+        if ($env{'user.environment'} =~ m{^\Q$lonids/\E$match_username\_\d+\_$match_domain\_[\w\-.]+\.id$}) {
+            my $opened = open(my $env_file,'+<',$env{'user.environment'});
+            if ($opened
+	        && &timed_flock($env_file,LOCK_EX)
+	        &&
+	        tie(my %disk_env,'GDBM_File',$env{'user.environment'},
+	            (&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
+	        while (my ($key,$value) = each(%{$newenv})) {
+	            $disk_env{$key} = $value;
+	        }
+	        untie(%disk_env);
+            }
         }
     }
     return 'ok';
@@ -1829,7 +1841,7 @@
 			   &escape($srch->{'srchtype'}),$homeserver);
 	my $host=&hostname($homeserver);
 	if ($queryid !~/^\Q$host\E\_/) {
-	    &logthis('institutional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.'in domain '.$udom);
+	    &logthis('institutional directory search invalid queryid: '.$queryid.' for host: '.$homeserver.' in domain '.$udom);
 	    return;
 	}
 	my $response = &get_query_reply($queryid);
@@ -3194,7 +3206,7 @@
                                  $home);
             }
         } elsif ($action eq 'uploaddoc') {
-            open(my $fh,'>'.$filepath.'/'.$fname);
+            open(my $fh,'>',$filepath.'/'.$fname);
             print $fh $env{'form.'.$source};
             close($fh);
             if ($parser eq 'parse') {
@@ -3252,7 +3264,7 @@
     ($fpath,$fname) = ($file =~ m|^(.*)/([^/]+)$|);
     $fpath=$docudom.'/'.$docuname.'/'.$fpath;
     my $filepath = &build_filepath($fpath);
-    open(my $fh,'>'.$filepath.'/'.$fname);
+    open(my $fh,'>',$filepath.'/'.$fname);
     print $fh $content;
     close($fh);
     my $home=&homeserver($docuname,$docudom);
@@ -3368,12 +3380,12 @@
                          '_'.$env{'user.domain'}.'/pending';
         } elsif (($context eq 'existingfile') || ($context eq 'canceloverwrite')) {
             my ($docuname,$docudom);
-            if ($destudom) {
+            if ($destudom =~ /^$match_domain$/) {
                 $docudom = $destudom;
             } else {
                 $docudom = $env{'user.domain'};
             }
-            if ($destuname) {
+            if ($destuname =~ /^$match_username$/) { 
                 $docuname = $destuname;
             } else {
                 $docuname = $env{'user.name'};
@@ -3403,7 +3415,7 @@
                 mkdir($fullpath,0777);
             }
         }
-        open(my $fh,'>'.$fullpath.'/'.$fname);
+        open(my $fh,'>',$fullpath.'/'.$fname);
         print $fh $env{'form.'.$formname};
         close($fh);
         if ($context eq 'existingfile') {
@@ -3478,7 +3490,7 @@
 
 # Save the file
     {
-	if (!open(FH,'>'.$filepath.'/'.$file)) {
+	if (!open(FH,'>',$filepath.'/'.$file)) {
 	    &logthis('Failed to create '.$filepath.'/'.$file);
 	    print STDERR ('Failed to create '.$filepath.'/'.$file."\n");
 	    return '/adm/notfound.html';
@@ -3536,7 +3548,8 @@
         my $input = $filepath.'/'.$file;
         my $output = $filepath.'/'.'tn-'.$file;
         my $thumbsize = $thumbwidth.'x'.$thumbheight;
-        system("convert -sample $thumbsize $input $output");
+        my @args = ('convert','-sample',$thumbsize,$input,$output);
+        system({$args[0]} @args);
         if (-e $filepath.'/'.'tn-'.$file) {
             $fetchthumb  = 1; 
         }
@@ -4496,7 +4509,7 @@
 
 sub getannounce {
 
-    if (open(my $fh,$perlvar{'lonDocRoot'}.'/announcement.txt')) {
+    if (open(my $fh,"<",$perlvar{'lonDocRoot'}.'/announcement.txt')) {
 	my $announcement='';
 	while (my $line = <$fh>) { $announcement .= $line; }
 	close($fh);
@@ -8113,7 +8126,7 @@
                         if ($xml_classlist =~ /^error/) {
                             &logthis('fetch_enrollment_query - autoretrieve error: '.$xml_classlist.' for '.$filename.' from server: '.$homeserver.' '.$context.' '.$cnum);
                         } else {
-                            if ( open(FILE,">$destname") ) {
+                            if ( open(FILE,">",$destname) ) {
                                 print FILE &unescape($xml_classlist);
                                 close(FILE);
                             } else {
@@ -8142,7 +8155,7 @@
     for (1..$loopmax) {
 	sleep($sleep);
         if (-e $replyfile.'.end') {
-	    if (open(my $fh,$replyfile)) {
+	    if (open(my $fh,"<",$replyfile)) {
 		$reply = join('',<$fh>);
 		close($fh);
 	   } else { return 'error: reply_file_error'; }
@@ -9806,7 +9819,7 @@
     my ($user, $path, @files) = @_;
     my $filename = $user."savedfiles";
     my @other_files = &files_not_in_path($user, $path);
-    open (OUT, '>'.$tmpdir.$filename);
+    open (OUT,'>',LONCAPA::tempdir().$filename);
     foreach my $file (@files) {
         print (OUT $env{'form.currentpath'}.$file."\n");
     }
@@ -9820,7 +9833,7 @@
 sub clear_selected_files {
     my ($user) = @_;
     my $filename = $user."savedfiles";
-    open (OUT, '>'.LONCAPA::tempdir().$filename);
+    open (OUT,'>',LONCAPA::tempdir().$filename);
     print (OUT undef);
     close (OUT);
     return ("ok");    
@@ -9830,7 +9843,7 @@
     my ($user, $path) = @_;
     my $filename = $user."savedfiles";
     my %return_files;
-    open (IN, '<'.LONCAPA::tempdir().$filename);
+    open (IN,'<',LONCAPA::tempdir().$filename);
     while (my $line_in = <IN>) {
         chomp ($line_in);
         my @paths_and_file = split (m!/!, $line_in);
@@ -9852,7 +9865,7 @@
     my $filename = $user."savedfiles";
     my @return_files;
     my $path_part;
-    open(IN, '<'.LONCAPA::.$filename);
+    open(IN, '<',LONCAPA::tempdir().$filename);
     while (my $line = <IN>) {
         #ok, I know it's clunky, but I want it to work
         my @paths_and_file = split(m|/|, $line);
@@ -12340,7 +12353,7 @@
     my $file = shift;
     if ( (! -e $file ) || ($file eq '') ) { return -1; };
     my $fh;
-    open($fh,"<$file");
+    open($fh,"<",$file);
     my $a='';
     while (my $line = <$fh>) { $a .= $line; }
     return $a;
@@ -12453,7 +12466,7 @@
 
 sub additional_machine_domains {
     my @domains;
-    open(my $fh,"<$perlvar{'lonTabDir'}/expected_domains.tab");
+    open(my $fh,"<","$perlvar{'lonTabDir'}/expected_domains.tab");
     while( my $line = <$fh>) {
         $line =~ s/\s//g;
         push(@domains,$line);
@@ -12597,15 +12610,17 @@
     }
 
     my %alldns;
-    open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
-    foreach my $dns (<$config>) {
-	next if ($dns !~ /^\^(\S*)/x);
-        my $line = $1;
-        my ($host,$protocol) = split(/:/,$line);
-        if ($protocol ne 'https') {
-            $protocol = 'http';
+    if (open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab")) {
+        foreach my $dns (<$config>) {
+	    next if ($dns !~ /^\^(\S*)/x);
+            my $line = $1;
+            my ($host,$protocol) = split(/:/,$line);
+            if ($protocol ne 'https') {
+                $protocol = 'http';
+            }
+	    $alldns{$host} = $protocol;
         }
-	$alldns{$host} = $protocol;
+        close($config);
     }
     while (%alldns) {
 	my ($dns) = sort { $b cmp $a } keys(%alldns);
@@ -12625,7 +12640,7 @@
     close($config);
     my $which = (split('/',$url))[3];
     &logthis("unable to contact DNS defaulting to on disk file dns_$which.tab\n");
-    open($config,"<$perlvar{'lonTabDir'}/dns_$which.tab");
+    open($config,"<","$perlvar{'lonTabDir'}/dns_$which.tab");
     my @content = <$config>;
     &$func(\@content,$hashref);
     return;
@@ -12718,7 +12733,7 @@
 	my ($ignore_cache,$nocache) = @_;
 	&get_dns('/adm/dns/domain',\&parse_domain_tab,$ignore_cache,$nocache);
 	my $fh;
-	if (open($fh,"<".$perlvar{'lonTabDir'}.'/domain.tab')) {
+	if (open($fh,"<",$perlvar{'lonTabDir'}.'/domain.tab')) {
 	    my @lines = <$fh>;
 	    &parse_domain_tab(\@lines);
 	}
@@ -12770,8 +12785,23 @@
 	    my ($id,$domain,$role,$name,$protocol,$intdom)=split(/:/,$configline);
 	    $name=~s/\s//g;
 	    if ($id && $domain && $role && $name) {
+                if ((exists($hostname{$id})) && ($hostname{$id} ne '')) {
+                    my $curr = $hostname{$id};
+                    my $skip;
+                    if (ref($name_to_host{$curr}) eq 'ARRAY') {
+                        if (($curr eq $name) && (@{$name_to_host{$curr}} == 1)) {
+                            $skip = 1;
+                        } else {
+                            @{$name_to_host{$curr}} = grep { $_ ne $id } @{$name_to_host{$curr}};
+                        }
+                    }
+                    unless ($skip) {
+                        push(@{$name_to_host{$name}},$id);
+                    }
+                } else {
+                    push(@{$name_to_host{$name}},$id);
+                }
 		$hostname{$id}=$name;
-		push(@{$name_to_host{$name}}, $id);
 		$hostdom{$id}=$domain;
 		if ($role eq 'library') { $libserv{$id}=$name; }
                 if (defined($protocol)) {
@@ -12804,7 +12834,7 @@
     sub load_hosts_tab {
 	my ($ignore_cache,$nocache) = @_;
 	&get_dns('/adm/dns/hosts',\&parse_hosts_tab,$ignore_cache,$nocache);
-	open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
+	open(my $config,"<","$perlvar{'lonTabDir'}/hosts.tab");
 	my @config = <$config>;
 	&parse_hosts_tab(\@config);
 	close($config);
@@ -13070,7 +13100,7 @@
 {
     sub load_loncaparevs {
         if (-e "$perlvar{'lonTabDir'}/loncaparevs.tab") {
-            if (open(my $config,"<$perlvar{'lonTabDir'}/loncaparevs.tab")) {
+            if (open(my $config,"<","$perlvar{'lonTabDir'}/loncaparevs.tab")) {
                 while (my $configline=<$config>) {
                     chomp($configline);
                     my ($hostid,$loncaparev)=split(/:/,$configline);
@@ -13086,7 +13116,7 @@
 {
     sub load_serverhomeIDs {
         if (-e "$perlvar{'lonTabDir'}/serverhomeIDs.tab") {
-            if (open(my $config,"<$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
+            if (open(my $config,"<","$perlvar{'lonTabDir'}/serverhomeIDs.tab")) {
                 while (my $configline=<$config>) {
                     chomp($configline);
                     my ($name,$id)=split(/:/,$configline);
@@ -13111,7 +13141,7 @@
 
 # ------------------------------------------------------ Read spare server file
 {
-    open(my $config,"<$perlvar{'lonTabDir'}/spare.tab");
+    open(my $config,"<","$perlvar{'lonTabDir'}/spare.tab");
 
     while (my $configline=<$config>) {
        chomp($configline);
@@ -13125,7 +13155,7 @@
 }
 # ------------------------------------------------------------ Read permissions
 {
-    open(my $config,"<$perlvar{'lonTabDir'}/roles.tab");
+    open(my $config,"<","$perlvar{'lonTabDir'}/roles.tab");
 
     while (my $configline=<$config>) {
 	chomp($configline);
@@ -13139,7 +13169,7 @@
 
 # -------------------------------------------- Read plain texts for permissions
 {
-    open(my $config,"<$perlvar{'lonTabDir'}/rolesplain.tab");
+    open(my $config,"<","$perlvar{'lonTabDir'}/rolesplain.tab");
 
     while (my $configline=<$config>) {
 	chomp($configline);
@@ -13159,7 +13189,7 @@
 
 # ---------------------------------------------------------- Read package table
 {
-    open(my $config,"<$perlvar{'lonTabDir'}/packages.tab");
+    open(my $config,"<","$perlvar{'lonTabDir'}/packages.tab");
 
     while (my $configline=<$config>) {
 	if ($configline !~ /\S/ || $configline=~/^#/) { next; }
@@ -13205,7 +13235,7 @@
 # ---------------------------------------------------------- Read managers table
 {
     if (-e "$perlvar{'lonTabDir'}/managers.tab") {
-        if (open(my $config,"<$perlvar{'lonTabDir'}/managers.tab")) {
+        if (open(my $config,"<","$perlvar{'lonTabDir'}/managers.tab")) {
             while (my $configline=<$config>) {
                 chomp($configline);
                 next if ($configline =~ /^\#/);


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