From 3d8b7be7a14f09b3d64a05a276deac5e42603145 Mon Sep 17 00:00:00 2001 From: Amlal El Mahrouss Date: Fri, 13 Feb 2026 17:32:11 +0100 Subject: feat: kernel: net.efi: harderning and improvements. Signed-off-by: Amlal El Mahrouss --- src/boot/modules/BootNet/BootNet.cc | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'src/boot/modules/BootNet/BootNet.cc') diff --git a/src/boot/modules/BootNet/BootNet.cc b/src/boot/modules/BootNet/BootNet.cc index 34b8282b..bfb80d39 100644 --- a/src/boot/modules/BootNet/BootNet.cc +++ b/src/boot/modules/BootNet/BootNet.cc @@ -34,6 +34,17 @@ EXTERN_C Int32 BootNetModuleMain(Kernel::HEL::BootInfoHeader* handover) { bootnet_read_ip_packet(inet, &inet_out); + if (!inet_out) { + writer.Write("BootNet: Not a packet, aborting.\r"); + return kEfiFail; + } + + if (inet_out->NB1 != 'O' || inet_out->NB1 != 'N' || inet_out->NB1 != 'E' || + inet_out->NB1 != 'T') { + writer.Write("BootNet: Not a packet, aborting.\r"); + return kEfiFail; + } + if (inet_out->Length < 1) { writer.Write("BootNet: No executable attached to the packet, aborting.\r"); return kEfiFail; @@ -115,4 +126,4 @@ STATIC Void bootnet_read_ip_packet(BOOTNET_INTERNET_HEADER inet, kEfiProtocol->Stop(kEfiProtocol); kEfiProtocol->Shutdown(kEfiProtocol); -} \ No newline at end of file +} -- cgit v1.2.3