Debugging iPXE + HTTPS

README.md

Debugging iPXE image Download over HTTPS

Build iPXE

Get the source:

git clone git://git.ipxe.org/ipxe.git

Install dependencies.

Enable HTTPS support:

cd ipxe/src
sed -i 's/#undef\tDOWNLOAD_PROTO_HTTPS/#define\tDOWNLOAD_PROTO_HTTPS/' config/general.h

Build an iPXE ISO image:

make bin/ipxe.iso

Boot iPXE using QEMU

qemu-system-x86_64 -m 1024 bin/ipxe.iso --curses

iPXE should boot. Hit Ctrl + B to get an interactive iPXE prompt:

SeaBIOS (version 1.12.0-20181126_142135-anatol)


iPXE (http://ipxe.org) 00:03.0 C980 PCI2.10 PnP PMM+3FF92370+3FEF2370 C980



Booting from Hard Disk...

ISOLINUX 6.04 6.04-pre1-41-g5e426532* EHDD Copyright (C) 1994-2015 H. Peter Anvin et al
iPXE ISO boot image
Loading ipxe.krn... ok
iPXE initialising devices...ok



iPXE 1.0.0+ (36a4c) -- Open Source Network Boot Firmware -- http://ipxe.org
Features: DNS HTTP HTTPS iSCSI TFTP SRP AoE ELF MBOOT PXE bzImage Menu PXEXT

iPXE>

Fetch a file over HTTPS

Obtain an IP address from DHCP:

iPXE> dhcp
Configuring (net0 52:54:00:12:34:56)...... ok
iPXE>

Fetch a file from a working source:

iPXE> imgfetch https://google.com
https://google.com.... ok
iPXE>

Fetch a file from a non-working source:

iPXE> imgfetch https://letsencrypt.org
https://letsencrypt.org... Permission denied (http://ipxe.org/022fe23c)
iPXE>