\n";
foreach ( $flag_table as $key => $props ) {
// Hide parameters from users that should not be changed.
$hide_from_user = isset ( $props["hide_from_user"] ) ? $props["hide_from_user"] : "no";
$flag = $props["flag"];
$type = $props["type"];
$value = isset ( $flags[$flag] ) ? $flags[$flag] : '';
if ( $hide_from_user == "yes" ) {
// Hidden flags cannot not be set by the user. We use hidden form
// fields to keep them at their default values.
if ( $type != "header" ) {
echo hidden ( $flag, $value );
}
} else {
// Flag (iPXE compile option) should be displayed to user
if ( $type == "header" ) {
$label = $props["label"];
echo "
$label
| ";
} else if ($type == "on/off" ) {
echo "", checkbox ( $flag, $value ), " | $flag | ";
} else { // don't display checkbox for non-on/off flags
echo " | $flag: ";
if ($type == "choice" ) {
$options = $props["options"];
echo menubox($flag, $options, $value);
} else {
echo textbox($flag, $value, ($type == "integer" ||
$type == "integer-hex"
? 7 : 25));
}
echo " | ";
}
echo "\n";
if ( $type != "header" ) {
echo "| | ";
echo "\n";
if ( is_file ( "doc/$flag.html" ) ) {
include_once "doc/$flag.html";
}
echo "\n |
\n";
}
}
}
echo "
";
}
/**
* Return an array of configuration sections used in all compile options
*
* $flag_table, the global list of compile options contains a 'cfgsec'
* property for each flag we are interested in. We return a list of
* all the unique cfgsec options we find in $flag_table.
*
* @return array an array of strings representing all unique cfgsec values
* found in $flag_table
*/
function get_flag_cfgsecs ()
{
global $flag_table;
$cfgsecs = array ();
foreach ( $flag_table as $key => $props ) {
if ( isset ( $props['cfgsec'] ) ) {
$cfgsec = $props["cfgsec"];
$cfgsecs[$cfgsec] = $cfgsec;
}
}
return $cfgsecs;
}
////
// File and directory handling functions
////
/**
* Create a copy of a given source directory to a given destination
*
* Since we are going to modify the source directory, we create a copy
* of the directory with a unique name in the given destination directory.
* We supply a prefix for the tempnam call to prepend to the random filename
* it generates.
*
* @param string $src source directory
* @param string $dst destination directory
* @param string $prefix string to append to directory created
*
* @return string absolute path to destination directory
*/
function mktempcopy ( $src, $dst, $prefix )
{
if ( $src[0] != "/" ) {
$src = dirname ( $_SERVER['SCRIPT_FILENAME'] ) . "/" . $src;
}
// Create a file in the given destination directory with a unique name
$dir = tempnam ( $dst, $prefix );
// Delete the file just created, since it would interfere with the copy we
// are about to do. We only care that the dir name we copy to is unique.
unlink ( $dir );
exec ( "/bin/cp -a '$src' '$dir' 2>&1", $cpytxt, $status );
if ( $status != 0 ) {
die ( "src directory copy failed!" );
}
return $dir;
}
/**
* Write iPXE config files based on value of given flags
*
* iPXE compile options are stored in src/config/*.h .
* We write out a config file for each set of options.
*
* @param string $config_dir directory to write .h files to
* @param array $flags array of compile options for this build
*
* @return void
*/
function write_ipxe_config_files ( $config_dir, $flags )
{
global $flag_table;
$cfgsecs = get_flag_cfgsecs ();
foreach ( $cfgsecs as $cfgsec ) {
$fname = $config_dir . "/" . $cfgsec . ".h";
$fp = fopen ( $fname, "wb" );
if ( $fp <= 0 ) {
die ( "Unable to open $fname file for output!" );
}
$ifdef_secname = "CONFIG_" . strtoupper ( $cfgsec ) . "_H";
fwrite ( $fp, "#ifndef ${ifdef_secname}\n" );
fwrite ( $fp, "#define ${ifdef_secname}\n" );
fwrite ( $fp, "#include