feat: refresh Smart UI and configuration defaults

2026-05-22 07:32:17 +02:00
parent 1394b3ba6c
commit 4ad200c9bb
5 changed files with 1594 additions and 80 deletions
--- a/apply.pl
+++ b/apply.pl
--- a/settings.pl
+++ b/settings.pl
@@ -794,6 +794,423 @@ sub smart_group_checkbox_rows( $ )
 }


+sub volume_name_from_path( $ )
+{
+	my $path = $_[0];
+
+	$path = '' unless defined( $path );
+	$path =~ s#/*$##;
+	$path =~ s#^.*/##;
+	$path = 'ROOT' if $path eq '';
+	$path = uc( $path );
+	$path =~ s/[^A-Z0-9_\-]/_/g;
+	$path = substr( $path, 0, 15 );
+	$path = 'VOLUME' if $path eq '';
+
+	return $path;
+}
+
+sub volume_mountpoint_is_useful( $$ )
+{
+	my( $mountpoint, $fstype ) = @_;
+
+	return 0 if ! defined( $mountpoint ) || $mountpoint eq '';
+	return 0 if $mountpoint eq '/';
+
+	# Pseudo and system trees are not useful as NetWare volumes.
+	return 0 if $mountpoint =~ m#^/(proc|sys|dev|run)(/|$)#;
+	return 0 if $mountpoint =~ m#^/(tmp|var/tmp)(/|$)#;
+	return 0 if $mountpoint =~ m#^/boot(/|$)#;
+	return 0 if $mountpoint =~ m#^/(etc|usr|bin|sbin|lib|lib64)(/|$)#;
+	return 0 if $mountpoint =~ m#^/system(/|$)#;
+
+	# Do not require -d here.  The webui service may have /home masked by
+	# systemd hardening, while the real MARS_NWE service can still use it.
+	return 1;
+}
+
+
+sub local_mountpoints()
+{
+	my @mounts = ();
+	my %seen = ();
+
+	my $add_mount = sub
+	{
+		my( $mountpoint, $fstype, $source ) = @_;
+
+		$mountpoint = '' unless defined( $mountpoint );
+		$fstype = '' unless defined( $fstype );
+		$source = '' unless defined( $source );
+
+		$mountpoint =~ s#\\040# #g;
+		$mountpoint =~ s#\\011#\t#g;
+		$mountpoint =~ s#\\012#\n#g;
+		$mountpoint =~ s#\\134#\\#g;
+
+		return if $mountpoint eq '';
+		return if $mountpoint =~ /[\r\n\t]/;
+		return if $mountpoint =~ /'/;
+		return if $seen{$mountpoint};
+
+		return if $fstype =~ /^(proc|sysfs|devtmpfs|devpts|tmpfs|securityfs|cgroup|cgroup2|pstore|bpf|tracefs|debugfs|configfs|fusectl|mqueue|hugetlbfs|autofs|overlay|squashfs|portal|binfmt_misc|efivarfs)$/;
+		return if ! volume_mountpoint_is_useful( $mountpoint, $fstype );
+
+		push( @mounts, {
+			path => $mountpoint,
+			fstype => $fstype ne '' ? $fstype : 'mount',
+			source => $source ne '' ? $source : 'mount',
+			name => volume_name_from_path( $mountpoint ),
+		} );
+
+		$seen{$mountpoint} = 1;
+	};
+
+	foreach my $file ( '/proc/1/mountinfo', '/proc/self/mountinfo' )
+	{
+		next if ! open( my $fh, '<', $file );
+
+		while( my $line = <$fh> )
+		{
+			chomp( $line );
+
+			my @parts = split( / - /, $line, 2 );
+			next if scalar( @parts ) != 2;
+
+			my @left = split( /\s+/, $parts[0] );
+			my @right = split( /\s+/, $parts[1] );
+
+			next if scalar( @left ) < 5;
+			next if scalar( @right ) < 3;
+
+			$add_mount->( $left[4], $right[0], $right[1] );
+		}
+
+		close( $fh );
+	}
+
+	if( open( my $fh, '<', '/proc/mounts' ) )
+	{
+		while( my $line = <$fh> )
+		{
+			chomp( $line );
+
+			my( $source, $mountpoint, $fstype ) = split( /\s+/, $line );
+			$add_mount->( $mountpoint, $fstype, $source );
+		}
+
+		close( $fh );
+	}
+
+	@mounts = sort { $a->{path} cmp $b->{path} } @mounts;
+
+	return @mounts;
+}
+
+sub volume_mount_import_rows()
+{
+	my $html = '';
+	my @mounts = local_mountpoints();
+	my %existing = ();
+
+	foreach my $line ( getconfig( 1 ) )
+	{
+		my @f = split( ' ', $line );
+		$existing{lc( $f[1] )} = 1 if defined( $f[1] ) && $f[1] ne '';
+		$existing{'path:' . $f[2]} = 1 if defined( $f[2] ) && $f[2] ne '';
+	}
+
+	if( scalar( @mounts ) == 0 )
+	{
+		return qq|\t<TR BGCOLOR="#ece0cf">\n\t\t<TD COLSPAN=2><B>Local mountpoints detected on host</B></TD>\n\t</TR>\n\t<TR BGCOLOR="#fbf7f1">\n\t\t<TD COLSPAN=2><SMALL>No suitable local mountpoints were found.</SMALL></TD>\n\t</TR>\n|;
+	}
+
+	$html .= qq|\t<TR BGCOLOR="#ece0cf">\n\t\t<TD COLSPAN=2><B>Local mountpoints detected on host</B></TD>\n\t</TR>\n|;
+
+	foreach my $m ( @mounts )
+	{
+		my $name = $m->{name};
+		my $path = $m->{path};
+		my $fstype = $m->{fstype};
+		my $source = $m->{source};
+		my $exists = $existing{lc( $name )} || $existing{'path:' . $path};
+
+		$html .= "\t<TR BGCOLOR=\"#fbf7f1\">\n";
+		$html .= "\t\t<TD><TT>" . html_escape( $path ) . "</TT><BR><SMALL>Volume: <TT>" . html_escape( $name ) . "</TT> &nbsp; Type: <TT>" . html_escape( $fstype ) . "</TT> &nbsp; Source: <TT>" . html_escape( $source ) . "</TT></SMALL></TD>\n";
+
+		if( $exists )
+		{
+			$html .= "\t\t<TD ALIGN=RIGHT><SMALL>already configured</SMALL></TD>\n";
+		}
+		else
+		{
+			my $href = '/settings/volumes/add_new?mount_path=' . url_escape( $path ) . '&path=' . url_escape( $path );
+			$html .= "\t\t<TD ALIGN=RIGHT><A HREF=\"" . html_escape( $href ) . "\">Add as volume</A></TD>\n";
+		}
+
+		$html .= "\t</TR>\n";
+	}
+
+	return $html;
+}
+
+sub volume_mount_defaults_from_query()
+{
+	my %defaults = ();
+
+	$defaults{name} = '';
+	$defaults{path} = '';
+
+	my $path = '';
+
+	if( defined( $p{mount_path} ) && $p{mount_path} ne '' )
+	{
+		$path = $p{mount_path};
+	}
+	elsif( defined( $p{path} ) && $p{path} ne '' )
+	{
+		$path = $p{path};
+	}
+
+	if( $path ne '' )
+	{
+		$path =~ s/[\r\n\t']//g;
+		$path =~ s#/{2,}#/#g;
+		$path =~ s#/$## if length( $path ) > 1;
+
+		if( volume_mountpoint_is_useful( $path, 'mount' ) )
+		{
+			$defaults{path} = $path;
+			$defaults{name} = volume_name_from_path( $path );
+		}
+	}
+
+	return %defaults;
+}
+
+
+sub mars_nwe_service_active()
+{
+	my $service = defined( $mars_nwe_service ) && $mars_nwe_service ne '' ? $mars_nwe_service : 'mars-nwe-serv.service';
+	my $systemctl = defined( $smart_systemctl_path ) && $smart_systemctl_path ne '' ? $smart_systemctl_path : '/usr/bin/systemctl';
+
+	return 0 if ! -x $systemctl;
+
+	my $rc = system( $systemctl, 'is-active', '--quiet', $service );
+
+	return $rc == 0 ? 1 : 0;
+}
+
+sub mars_nwe_service_guard_rows( $ )
+{
+	my $what = $_[0];
+	$what = 'this section' unless defined( $what ) && $what ne '';
+
+	return '' if mars_nwe_service_active();
+
+	return qq|\t<TR BGCOLOR="#fff3e0">\n|
+	     . qq|\t\t<TD COLSPAN=2><B>MARS_NWE service is not running.</B><BR>\n|
+	     . qq|\t\t<SMALL>Start <TT>mars-nwe-serv.service</TT> before managing | . html_escape( $what ) . qq|. |
+	     . qq|<A HREF="/static/start.html" TARGET="OPTS">Open service page</A></SMALL></TD>\n|
+	     . qq|\t</TR>\n|;
+}
+
+
+sub settings_message_html()
+{
+	return '' if ! defined( $p{msg} ) || $p{msg} eq '';
+
+	my $msg = $p{msg};
+	$msg =~ s/\+/ /g;
+
+	return qq|<DIV CLASS="smart-message">| . html_escape( $msg ) . qq|</DIV>\n|;
+}
+
+
+sub user_group_checkbox_rows( $ )
+{
+	my $user = $_[0];
+	my $html = '';
+	my %selected = ();
+
+	$user = '' unless defined( $user );
+
+	if( $user ne '' && $user ne 'add_new' )
+	{
+		my $server = get_server();
+		my $groups = `nwbpvalues -S $server -t 1 -o $user -p "GROUPS_I'M_IN" 2>/dev/null`;
+
+		foreach my $line ( split( /\n/, $groups ) )
+		{
+			if( $line =~ /([A-Za-z0-9_\-]+)/ )
+			{
+				$selected{uc( $1 )} = 1;
+			}
+		}
+	}
+
+	my @groups = getconfig( 12 );
+	my @names = ();
+
+	foreach my $g ( @groups )
+	{
+		my @f = split( /\s+/, $g );
+		next if ! defined( $f[1] ) || $f[1] eq '';
+		push( @names, uc( $f[1] ) );
+	}
+
+	push( @names, 'EVERYONE' ) if ! grep { $_ eq 'EVERYONE' } @names;
+	@names = sort @names;
+
+	foreach my $g ( @names )
+	{
+		my $checked = ( $selected{$g} || ( $g eq 'EVERYONE' && $user eq 'add_new' ) ) ? ' CHECKED' : '';
+		$html .= qq|<LABEL STYLE="margin-left:10px;white-space:nowrap;">| . html_escape( $g )
+		      . qq| <INPUT NAME="group_| . html_escape( $g ) . qq|" TYPE=CHECKBOX$checked></LABEL>\n|;
+	}
+
+	return $html;
+}
+
+
+sub current_bindery_unix_user( $ )
+{
+	# Do not query the live bindery while rendering the edit form.
+	# Some nwbpvalues versions can block or print unexpected data here.
+	# Existing UNIX_USER stays unchanged unless the admin selects a value.
+	return '';
+}
+
+sub smart_unix_users_for_select()
+{
+	my @users = ();
+	my %seen = ();
+
+	my $helper = '/usr/lib64/mars_nwe/smart_userlist';
+
+	if( -x $helper && open( my $fh, '-|', $helper ) )
+	{
+		while( my $line = <$fh> )
+		{
+			chomp( $line );
+
+			my( $name, $uid, $gid, $gecos, $home, $shell ) = split( /\t/, $line );
+
+			next if ! defined( $name ) || $name eq '';
+			next if $seen{$name};
+
+			push( @users, {
+				name => $name,
+				uid => defined( $uid ) ? $uid : '',
+				fullname => defined( $gecos ) ? $gecos : '',
+			} );
+
+			$seen{$name} = 1;
+		}
+
+		close( $fh );
+	}
+
+	# Fallback: getent passwd.  This is only used when smart_userlist is not
+	# available or returned nothing.
+	if( scalar( @users ) == 0 && open( my $fh, '-|', 'getent', 'passwd' ) )
+	{
+		while( my $line = <$fh> )
+		{
+			chomp( $line );
+
+			my( $name, undef, $uid, $gid, $gecos, $home, $shell ) = split( /:/, $line );
+
+			next if ! defined( $name ) || $name eq '';
+			next if defined( $uid ) && $uid ne '' && $uid < 1000;
+			next if defined( $shell ) && $shell =~ m#/(false|nologin)$#;
+			next if $seen{$name};
+
+			push( @users, {
+				name => $name,
+				uid => defined( $uid ) ? $uid : '',
+				fullname => defined( $gecos ) ? $gecos : '',
+			} );
+
+			$seen{$name} = 1;
+		}
+
+		close( $fh );
+	}
+
+	@users = sort { $a->{name} cmp $b->{name} } @users;
+
+	return @users;
+}
+
+
+sub unix_user_select_options( $ )
+{
+	my $selected = $_[0];
+	my $html = '';
+
+	$selected = '' unless defined( $selected );
+
+	foreach my $u ( smart_unix_users_for_select() )
+	{
+		next if ! defined( $u ) || ref( $u ) ne 'HASH';
+
+		my $name = $u->{name};
+		next if ! defined( $name ) || $name eq '';
+
+		my $sel = $name eq $selected ? ' SELECTED' : '';
+		$html .= '<OPTION VALUE="' . html_escape( $name ) . '"' . $sel . '>' . html_escape( $name ) . "</OPTION>
+";
+	}
+
+	if( $selected ne '' && $html !~ /VALUE="\Q$selected\E"/ )
+	{
+		$html = '<OPTION VALUE="' . html_escape( $selected ) . '" SELECTED>' . html_escape( $selected ) . "</OPTION>\n" . $html;
+	}
+
+	return $html;
+}
+
+
+sub user_unix_mapping_row( $$ )
+{
+	my( $user, $selected ) = @_;
+
+	$user = '' unless defined( $user );
+	$selected = '' unless defined( $selected );
+
+	my $unix_user_options = unix_user_select_options( $selected );
+
+	if( $user eq 'add_new' )
+	{
+		return qq|	<TR BGCOLOR="#fbf7f1">\n|
+		     . qq|\t\t<TD><B>UNIX user:</B></TD>\n|
+		     . qq|\t\t<TD ALIGN=RIGHT>\n|
+		     . qq|\t\t\t<SELECT NAME="unix_user" SIZE=5 STYLE="width:200px;max-width:200px;">\n|
+		     . qq|\t\t\t\t<OPTION VALUE=""></OPTION>\n|
+		     . $unix_user_options
+		     . qq|\t\t\t</SELECT><BR>\n|
+		     . qq|\t\t</TD>\n|
+		     . qq|\t</TR>\n|;
+	}
+
+	my $display = $selected ne '' ? $selected : '(unchanged)';
+
+	return qq|	<TR BGCOLOR="#fbf7f1">\n|
+	     . qq|\t\t<TD><B>UNIX user:</B></TD>\n|
+	     . qq|\t\t<TD ALIGN=RIGHT><TT>| . html_escape( $display ) . qq|</TT><BR>\n|
+	     . qq|\t\t\t<LABEL><INPUT TYPE=CHECKBOX NAME="change_unix_user" VALUE="1" onclick="document.getElementById('unix_user_change_box').style.display=this.checked?'block':'none'"> Change UNIX user mapping</LABEL>\n|
+	     . qq|\t\t\t<DIV ID="unix_user_change_box" STYLE="display:none;margin-top:8px;">\n|
+	     . qq|\t\t\t\t<SELECT NAME="unix_user" SIZE=5 STYLE="width:200px;max-width:200px;">\n|
+	     . qq|\t\t\t\t\t<OPTION VALUE=""></OPTION>\n|
+	     . $unix_user_options
+	     . qq|\t\t\t\t</SELECT>\n|
+	     . qq|\t\t\t</DIV>\n|
+	     . qq|\t\t</TD>\n|
+	     . qq|\t</TR>\n|;
+}
+
+
 sub handle_request()
 {
 	if( $c[1] eq 'general' )
@@ -849,12 +1266,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/general" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/general" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -1008,12 +1426,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/dirs" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/dirs" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -1137,12 +1556,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/configh" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/configh" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -1271,12 +1691,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/security" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/security" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -1394,12 +1815,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/susers" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/susers" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -1561,12 +1983,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/logging" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/logging" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -1768,6 +2191,7 @@ EOF
 	}
 	elsif( $c[1] eq 'volumes' )
 	{
+		my $volume_mount_import_rows = volume_mount_import_rows();
 		if( $c[2] eq '' )
 		{
 			print <<EOF;
@@ -1803,12 +2227,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
+@{[ settings_message_html() ]}<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
 			<B><FONT SIZE=+2>Volumes</FONT></B>
@@ -1836,6 +2261,7 @@ EOF
 			print <<EOF;
 	<TR BGCOLOR="#d7c0a0">
 		<TD COLSPAN=2>
+			$volume_mount_import_rows
 			<B><A HREF="/settings/volumes/add_new">Add new volume</A></B>
 		</TD>
 	</TR>
@@ -1848,9 +2274,36 @@ EOF
 		}
 		else
 		{
-			$c = getconfigline( '1 ' . $c[2] );
+			my $volume_action = $c[2];
+
+			$c = getconfigline( '1 ' . $volume_action );
 			@c = split( ' ', $c );
 			$c = '';
+			my %volume_mount_defaults = volume_mount_defaults_from_query();
+
+			if( $volume_action eq 'add_new' )
+			{
+				$c[0] = $volume_mount_defaults{name} if defined( $volume_mount_defaults{name} ) && $volume_mount_defaults{name} ne '';
+				$c[1] = $volume_mount_defaults{path} if defined( $volume_mount_defaults{path} ) && $volume_mount_defaults{path} ne '';
+				$c[2] = 'k' if ! defined( $c[2] ) || $c[2] eq '';
+			}
+			if( $volume_action eq 'add_new' )
+			{
+				my %volume_mount_defaults = volume_mount_defaults_from_query();
+
+				if( defined( $volume_mount_defaults{name} ) && $volume_mount_defaults{name} ne '' )
+				{
+					$c[0] = $volume_mount_defaults{name};
+				}
+
+				if( defined( $volume_mount_defaults{path} ) && $volume_mount_defaults{path} ne '' )
+				{
+					$c[1] = $volume_mount_defaults{path};
+				}
+
+				# Default new imported volumes to lower-case filenames.
+				$c[2] = 'k' if ! defined( $c[2] ) || $c[2] eq '';
+			}
 			
 			$d = $c[2];
 			$d =~ s/[^ik]//g;
@@ -1928,12 +2381,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/volumes/$c[0]" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/volumes/$c[0]" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -2100,12 +2554,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
+@{[ settings_message_html() ]}<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
 			<B><FONT SIZE=+2>Devices</FONT></B>
@@ -2216,12 +2671,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/devices/$title" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/devices/$title" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -2327,12 +2783,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/smart" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/smart" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -2441,12 +2898,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
+@{[ settings_message_html() ]}<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
 			<B><FONT SIZE=+2>Users</FONT></B>
@@ -2553,6 +3011,9 @@ EOF
 				}
 			}
 			
+			my $user_group_checkbox_rows = user_group_checkbox_rows( $c[2] );
+			my $current_unix_user = defined( $p{unix_user} ) ? $p{unix_user} : '';
+			my $user_unix_mapping_row = user_unix_mapping_row( $c[2], $current_unix_user );
 			print <<EOF;
 HTTP/1.0 200 OK
 Content-Type: text/html
@@ -2586,11 +3047,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

+@{[ settings_message_html() ]}
 <FORM ACTION="/apply/users/$c[2]" METHOD=GET>
 <INPUT TYPE=HIDDEN NAME="unix_user_import_default" VALUE="$default_unix_user">
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
@@ -2635,21 +3098,14 @@ EOF
 			<INPUT NAME="password" TYPE=PASSWORD SIZE=20><BR>
 		</TD>
 	</TR>
-	<TR BGCOLOR="#fbf7f1">
-		<TD>
-			<B>UNIX user:</B>
-		</TD>
-		<TD ALIGN=RIGHT>
-			<SELECT NAME="unix_user" SIZE=5>
-$unix_user_list			</SELECT>
-		</TD>
-	</TR>
-	<TR BGCOLOR="#fbf7f1">
+		$user_unix_mapping_row
+			<TR BGCOLOR="#fbf7f1">
 		<TD>
 			<B>Groups belonged to:</B>
 		</TD>
 		<TD ALIGN=RIGHT>
-$group_list		</TD>
+			$user_group_checkbox_rows
+		</TD>
 	</TR>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -2685,6 +3141,7 @@ EOF
 	}
 	elsif( $c[1] eq 'groups' )
 	{
+		my $groups_service_guard_rows = mars_nwe_service_guard_rows( 'groups' );
 		$server = get_server();
 		
 		if( $c[2] eq '' )
@@ -2722,12 +3179,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
+@{[ settings_message_html() ]}<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
 			<B><FONT SIZE=+2>Groups</FONT></B>
@@ -2830,12 +3288,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/groups/$c[2]" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/groups/$c[2]" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -2895,6 +3354,7 @@ EOF
 	}
 	elsif( $c[1] eq 'queues' )
 	{
+		my $queues_service_guard_rows = mars_nwe_service_guard_rows( 'print queues' );
 		$server = get_server();
 		
 		if( $c[2] eq '' )
@@ -2932,12 +3392,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
+@{[ settings_message_html() ]}<TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
 			<B><FONT SIZE=+2>Print queues</FONT></B>
@@ -3028,6 +3489,7 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] {
 }
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 <SCRIPT TYPE="text/javascript">
 var smartCupsCommands = {};
@@ -3053,7 +3515,7 @@ window.onload = function() {
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/queues/$c[2]" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/queues/$c[2]" METHOD=GET>
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
 		<TD>
@@ -3202,12 +3664,13 @@ INPUT[type=SUBMIT], INPUT[type=RESET], INPUT[type=BUTTON] { border:1px solid #a3
 A { color:#9f2f26; }
 TT { color:#5b4b38; }
 .smallnote { color:#6f6257; font-size:12px; }
+.smart-message { margin:0 0 12px 0; padding:10px 12px; border:1px solid #b8d9a8; border-radius:12px; background:#edf7e8; color:#2f5b24; font-weight:bold; }
 </style>
 </HEAD>
 <BODY BGCOLOR="#f6f2ea">
 $settings_nav_bar

-<FORM ACTION="/apply/advanced" METHOD=GET>
+@{[ settings_message_html() ]}<FORM ACTION="/apply/advanced" METHOD=GET>
 $advanced_hidden
 <TABLE BORDER=0 CELLSPACING=0 WIDTH=100%>
 	<TR BGCOLOR="#d7c0a0">
--- a/smart.cmake
+++ b/smart.cmake
@@ -475,7 +475,7 @@ label{display:block;font-weight:bold;margin:0 0 7px}
 input{width:100%;border:1px solid #cdbb9f;border-radius:12px;padding:10px 12px;background:#fffdf9;color:var(--text);font-size:15px;margin:0 0 16px}
 button{width:100%;border:1px solid #a33d2f;border-radius:12px;padding:11px 14px;background:#b84434;color:#fff;font-weight:bold;font-size:15px;cursor:pointer}
 .msg{margin:0 0 16px;padding:10px 12px;border-radius:12px;background:#fff3e0;border:1px solid #ead0a4;color:#7a3d18}
-.note{margin-top:14px;color:var(--muted);font-size:13px;text-align:center;line-height:1.45;word-break:break-word}.note a{color:var(--muted);text-decoration:none}.note a:hover{text-decoration:underline}
+.note{margin-top:14px;color:var(--muted);font-size:13px;text-align:center;line-height:1.45}
 </style>
 </head>
 <body>
@@ -501,7 +501,7 @@ EOF
    <label for="pass">Password</label>
    <input id="pass" name="pass" type="password" autocomplete="current-password" autofocus>
    <button type="submit">Login</button>
-    <div class="note">&copy; Copyright 2026 Mario Fetka<br><a href="mailto:mario.fetka@disconnected-by-peer.at">mario.fetka@disconnected-by-peer.at</a></div>
+    <div class="note">&copy; Copyright 2026 Mario Fetka</div>
  </form>
 </div>
 </body>
--- a/smart.conf.cmake
+++ b/smart.conf.cmake
@@ -150,3 +150,30 @@ $nw_key_file = '@MARS_NWE_INSTALL_FULL_CONFDIR@/server.key';
 # Directory for HTML login cookie sessions. Created by systemd RuntimeDirectory.
 $smart_session_dir = '/run/mars-nwe-webui';
 $smart_session_timeout = 3600;
+
+
+# SMArT Perl logging verbosity.
+#
+# This controls log messages written by the Perl CGI-style helper scripts
+# such as apply.pl.  The messages are written to the SMArT log file configured
+# for the WebUI, normally:
+#
+#   /var/log/mars_nwe/smart.log
+#
+# Supported values, from quiet to verbose:
+#
+#   error   - only real errors that abort or fail an operation
+#   warning - errors and warnings about unusual but non-fatal situations
+#   info    - normal operational messages, command start/finish, default
+#   debug   - additional diagnostic information for troubleshooting
+#   trace   - very verbose step-by-step traces, including bindery pipe payloads
+#
+# Recommended setting for normal operation:
+#
+#   $smart_debug_level = 'info';
+#
+# Use 'trace' only while debugging a concrete problem.  Trace logging may
+# include submitted bindery payload data and can produce a lot of log output.
+# After debugging, switch back to 'info'.
+$smart_debug_level = 'info';
+
--- a/static/start.html.cmake
+++ b/static/start.html.cmake
@@ -73,7 +73,11 @@
 			font-size: 13px;
 			color: #6c5b52;
 		}
-	</STYLE>
+	
+.runtime-info{margin:18px 12px 0;border:1px solid #ddcfba;border-radius:16px;overflow:hidden;background:#fbf7f1;box-shadow:0 6px 18px rgba(80,55,30,.06)}.runtime-info-title{background:#d7c0a0;padding:10px 14px;font-weight:bold;color:#2e261d}.runtime-info-row{display:grid;grid-template-columns:190px minmax(0,1fr);gap:12px;padding:8px 14px;border-top:1px solid #eadfce;align-items:center}.runtime-info-row code{color:#5b4b38;white-space:normal;word-break:break-word}.runtime-info-note{padding:10px 14px;border-top:1px solid #eadfce;color:#6b5b50;font-size:13px;line-height:1.35}
+
+.project-footer{margin:16px auto 0;text-align:center;color:#6b5b50;font-size:14px;line-height:1.45;max-width:760px}.project-footer a{color:#9f2f26;text-decoration:none}.project-footer a:hover{text-decoration:underline}.copyright{margin:10px auto 0;text-align:center;color:#6b5b50;font-size:13px;max-width:760px}.copyright a{color:#9f2f26;text-decoration:none}.copyright a:hover{text-decoration:underline}
+</STYLE>
 </HEAD>
 <BODY>
 	<DIV CLASS="wrapper">
@@ -105,13 +109,42 @@
 					</TR>
 					<TR>
 						<TD WIDTH="50%"><A CLASS="action secondary" HREF="/service/control?restart">Restart <TT>MARS_NWE</TT></A></TD>
-						<TD WIDTH="50%"><A CLASS="action secondary" HREF="/service/control?status">Status <TT>MARS_NWE</TT></A></TD>
+						<TD WIDTH="50%"><A CLASS="action secondary" HREF="/service/control?status">Status <TT>MARS_NWE</TT></A>
+</TD>
 					</TR>
 				</TABLE>
 			</DIV>
-			<DIV CLASS="footer">
-				The newest version of SMArT can be downloaded from <A HREF="http://www.lintux.cx/" TARGET="_parent">the project website</A>.<BR><BR>
-				&copy; Copyright 2026 <A HREF="mailto:mario.fetka@disconnected-by-peer.at">Mario Fetka</A>
+			
+			<DIV CLASS="runtime-info">
+				<DIV CLASS="runtime-info-title">MARS_NWE runtime information</DIV>
+				<DIV CLASS="runtime-info-row">
+					<DIV>Configuration file</DIV>
+					<DIV><CODE>@MARS_NWE_INSTALL_FULL_CONFDIR@/nwserv.conf</CODE></DIV>
+				</DIV>
+				<DIV CLASS="runtime-info-row">
+					<DIV>SMArT configuration</DIV>
+					<DIV><CODE>@MARS_NWE_INSTALL_FULL_CONFDIR@/smart.conf</CODE></DIV>
+				</DIV>
+				<DIV CLASS="runtime-info-row">
+					<DIV>WebUI scripts</DIV>
+					<DIV><CODE>@MARS_NWE_INSTALL_FULL_LIBEXECDIR@</CODE></DIV>
+				</DIV>
+				<DIV CLASS="runtime-info-row">
+					<DIV>MARS_NWE service</DIV>
+					<DIV><CODE>mars-nwe-serv.service</CODE></DIV>
+				</DIV>
+				<DIV CLASS="runtime-info-note">
+					User, group and queue operations need a running <B>MARS_NWE</B> service and a reachable bindery.
+					Configuration changes require write access to the SMArT configuration directory.
+				</DIV>
+			</DIV>
+
+<DIV CLASS="footer">
+				<DIV CLASS="project-footer">
+				<DIV>SMArT is shipped as part of the <B>MARS_NWE</B> package.</DIV>
+				<DIV>Project sources are available from the <A HREF="https://gitea.disconnected-by-peer.at/mars_nwe/mars-nwe" TARGET="_blank">MARS_NWE repository</A>.</DIV>
+			</DIV><BR><BR>
+				<DIV CLASS="copyright">&copy; Copyright 2026 <A HREF="mailto:mario.fetka@disconnected-by-peer.at">Mario Fetka</A></DIV>
 			</DIV>
 		</DIV>
 	</DIV>