stand/efihttp: Add device type check to efihttp_fs_open()

Ensure the open operation targets an HTTP device. Return EINVAL if
not, to prevent potential system crashes when used on other devices.

Differential Revision: https://reviews.freebsd.org/D48439
Reviewed by: dab, imp, vangyzen
Sponsored by: Dell Technologies

This commit is contained in:

Yongbo Yao

2025-01-19 10:50:18 -06:00

committed by

David Bright

parent c5056a3931

commit 2f35419fb2

1 changed files with 2 additions and 0 deletions

									
										stand/efi/libefi/efihttp.c
									
		+2
		
												View File
												
				@@ -565,6 +565,8 @@ efihttp_fs_open(const char *path, struct open_file *f)

					if (!efihttp_init_done)

						return (ENXIO);

					if (f->f_dev != &efihttp_dev)

						return (EINVAL);

					/*

					 * If any path fails to open, try with a trailing slash in

					 * case it's a directory.