Manual editing icon for MySQL config file https://github.com/webmin/webmin/issues/766

mysql/edit_manual.cgi

@@ -0,0 +1,32 @@
+#!/usr/local/bin/perl
+# Show a config file for manual editing
+
+require './mysql-lib.pl';
+&ReadParse();
+&ui_print_header($header_subtext, $text{'manual_title'}, "");
+
+$conf = &get_mysql_config();
+@files = &unique(map { $_->{'file'} } @$conf);
+$in{'manual'} ||= $files[0];
+&indexof($in{'manual'}, @files) >= 0 ||
+	&error($text{'manual_efile'});
+
+# File selector
+print &ui_form_start("edit_manual.cgi");
+print $form_hiddens;
+print "<b>$text{'manual_file'}</b>\n",
+      &ui_select("manual", $in{'manual'}, \@files),"\n",
+      &ui_submit('Edit');
+print &ui_form_end();
+
+# Config editor
+print &ui_form_start("save_manual.cgi", "form-data");
+print $form_hiddens;
+print &ui_hidden("manual", $in{'manual'});
+print &ui_table_start(undef, undef, 2);
+print &ui_table_row(undef,
+	&ui_textarea("data", &read_file_contents($in{'manual'}), 20, 80), 2);
+print &ui_table_end();
+print &ui_form_end([ [ undef, $text{'save'} ] ]);
+
+&ui_print_footer("", $text{'index_return'});

mysql/index.cgi

@@ -220,22 +220,22 @@ else {
 		@links = ( 'list_users.cgi', 'list_dbs.cgi',
 			   $canhosts ? ( 'list_hosts.cgi' ) : ( ),
 			   'list_tprivs.cgi', 'list_cprivs.cgi',
-			   'edit_cnf.cgi', 'list_procs.cgi',
+			   'edit_cnf.cgi', 'edit_manual.cgi', 'list_procs.cgi',
 			   $canvars ? ( 'list_vars.cgi' ) : ( ),
 			   'root_form.cgi',
 			 );
 		@titles = ( $text{'users_title'}, $text{'dbs_title'},
 			    $canhosts ? ( $text{'hosts_title'} ) : ( ),
-			    $text{'tprivs_title'},
-			    $text{'cprivs_title'}, $text{'cnf_title'},
+			    $text{'tprivs_title'}, $text{'cprivs_title'},
+			    $text{'cnf_title'}, $text{'manual_title'},
 			    $text{'procs_title'},
 			    $canvars ? ( $text{'vars_title'} ) : ( ),
 			    $text{'root_title'},
 			  );
 		@images = ( 'images/users.gif', 'images/dbs.gif',
 			    $canhosts ? ( 'images/hosts.gif' ) : ( ),
-			    'images/tprivs.gif',
-			    'images/cprivs.gif', 'images/cnf.gif',
+			    'images/tprivs.gif', 'images/cprivs.gif',
+			    'images/cnf.gif', 'images/manual.gif',
 			    'images/procs.gif',
 			    $canvars ? ( 'images/vars.gif' ) : ( ),
 			    'images/root.gif',

mysql/lang/en

@@ -591,6 +591,7 @@ log_importupload=Imported data from uploaded file
 log_importfile=Imported data from file $1
 log_set=Changed $1 MySQL variables
 log_root=Changed administration password
+log_manual=Manually edited config file
 
 backup_title=Backup Database
 backup_title2=Backup All Databases
@@ -739,6 +740,12 @@ cnf_emax_connections=Missing or invalid maximum number of connections
 cnf_restart=Save and Restart MySQL
 cnf_fpt=Separate file for each InnoDB table?
 
+manual_title=Edit Config Files
+manual_file=Edit config file:
+manual_ok=OK
+manual_efile=Invalid configuration file!
+manual_err=Failed to save configuration file
+
 index_title1=Create Index
 index_header1=Index options
 index_name=Index name

mysql/log_parser.pl

@@ -92,6 +92,9 @@ elsif ($action eq 'set') {
 elsif ($action eq 'root') {
 	return $text{'log_root'};
 	}
+elsif ($action eq 'manual') {
+	return $text{'log_manual'};
+	}
 else {
 	return undef;
 	}

mysql/save_manual.cgi

@@ -0,0 +1,22 @@
+#!/usr/local/bin/perl
+# Save a manually edited config file
+
+require './mysql-lib.pl';
+&ReadParseMime();
+&error_setup($text{'manual_err'});
+
+# Validate the filename
+$conf = &get_mysql_config();
+@files = &unique(map { $_->{'file'} } @$conf);
+$in{'manual'} ||= $files[0];
+&indexof($in{'manual'}, @files) >= 0 ||
+	&error($text{'manual_efile'});
+
+# Write the file
+$in{'data'} =~ s/\r//g;
+&open_lock_tempfile(MANUAL, ">$in{'manual'}");
+&print_tempfile(MANUAL, $in{'data'});
+&close_tempfile(MANUAL);
+
+&webmin_log("manual");
+&redirect("");