1*4882a593SmuzhiyunFrom 5c97492a29c6063567b65ed1a069f5e6f4e211f0 Mon Sep 17 00:00:00 2001
2*4882a593SmuzhiyunFrom: Javier Martinez Canillas <javierm@redhat.com>
3*4882a593SmuzhiyunDate: Wed, 24 Feb 2021 12:59:29 +0100
4*4882a593SmuzhiyunSubject: [PATCH] commands/hdparm: Restrict hdparm command when locked down
5*4882a593Smuzhiyun
6*4882a593SmuzhiyunThe command can be used to get/set ATA disk parameters. Some of these can
7*4882a593Smuzhiyunbe dangerous since change the disk behavior. Restrict it when locked down.
8*4882a593Smuzhiyun
9*4882a593SmuzhiyunSigned-off-by: Javier Martinez Canillas <javierm@redhat.com>
10*4882a593SmuzhiyunReviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
11*4882a593SmuzhiyunSigned-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com>
12*4882a593Smuzhiyun---
13*4882a593Smuzhiyun grub-core/commands/hdparm.c | 6 +++---
14*4882a593Smuzhiyun 1 file changed, 3 insertions(+), 3 deletions(-)
15*4882a593Smuzhiyun
16*4882a593Smuzhiyundiff --git a/grub-core/commands/hdparm.c b/grub-core/commands/hdparm.c
17*4882a593Smuzhiyunindex d3fa966..2e2319e 100644
18*4882a593Smuzhiyun--- a/grub-core/commands/hdparm.c
19*4882a593Smuzhiyun+++ b/grub-core/commands/hdparm.c
20*4882a593Smuzhiyun@@ -436,9 +436,9 @@ static grub_extcmd_t cmd;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun GRUB_MOD_INIT(hdparm)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun-  cmd = grub_register_extcmd ("hdparm", grub_cmd_hdparm, 0,
25*4882a593Smuzhiyun-			      N_("[OPTIONS] DISK"),
26*4882a593Smuzhiyun-			      N_("Get/set ATA disk parameters."), options);
27*4882a593Smuzhiyun+  cmd = grub_register_extcmd_lockdown ("hdparm", grub_cmd_hdparm, 0,
28*4882a593Smuzhiyun+				       N_("[OPTIONS] DISK"),
29*4882a593Smuzhiyun+				       N_("Get/set ATA disk parameters."), options);
30*4882a593Smuzhiyun }
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun GRUB_MOD_FINI(hdparm)
33*4882a593Smuzhiyun--
34*4882a593Smuzhiyun2.14.2
35*4882a593Smuzhiyun
36