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When you are using the helper application, the iLO firmware posts a request to this application using the

following parameters:

• The file parameter contains the name of the file provided in the original URL.

• The range parameter contains an inclusive range (in hexadecimal) that designates where to write the

data.

• The data parameter contains a hexadecimal string that represents the data to be written.

The helper script must transform the file parameter into a path relative to its working directory. This step

might involve prefixing it with "../," or transforming an aliased URL path into the true path on the file

system. The helper script requires write access to the target file. Diskette image files must have the

appropriate permissions.

Example:

#!/usr/bin/perl

use CGI;

use Fcntl;

# The prefix is used to get from the current working directory to the

# location of the image file that you are trying to write

my ($prefix) = "c:/inetpub/wwwroot";

my ($start, $end, $len, $decode);

my $q = new CGI(); # Get CGI data

my $file = $q->param('file'); # File to be written

my $range = $q->param('range'); # Byte range to be written

my $data = $q->param('data'); # Data to be written

# Change the file name appropriately

$file = $prefix . "/" . $file;

# Decode the range

if ($range =~ m/([0-9A-Fa-f]+)-([0-9A-Fa-f]+)/) {

$start = hex($1);

$end = hex($2);

$len = $end - $start + 1;

}

# Decode the data (a big hexadecimal string)

$decode = pack("H*", $data);

# Write it to the target file

sysopen(F, $file, O_RDWR);

Using iLO Virtual Media 143

HP HPE iLO 5 User Manual

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