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28 lines
1.3 KiB
Diff
28 lines
1.3 KiB
Diff
diff --git a/kernel/module/signing.c b/kernel/module/signing.c
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From 36dc5cf3039c0751fe95370a247ca1c23c06571c Mon Sep 17 00:00:00 2001
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From: Mikhail Novosyolov <m.novosyolov@rosalinux.ru>
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Date: Mon, 10 Aug 2020 10:38:20 +0300
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Subject: [PATCH] ROSA: ima: allow to off modules signature check dynamically
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Allow module.sig_enforce=0 kernel cmdline, not only module.sig_enforce=1
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It allows to keep CONFIG_MODULE_SIG_FORCE=y, but disable it when really needed
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without recompiling the kernel (it may be impossible, e.g. in certified systems).
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GRUB or another bootloader is password-protected when needed,
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so I am not afraid much that someone will be able to turn it off when not needed.
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ROSA-specific patch.
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This violates requirements of "secure boot", but currently we do not have secure boot in ROSA.
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Signed-off-by: Mikhail Novosyolov <m.novosyolov@rosalinux.ru>
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---
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index a2ff424..e045f46 100644
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--- a/kernel/module/signing.c
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+++ b/kernel/module/signing.c
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@@ -20,8 +20,7 @@
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#define MODULE_PARAM_PREFIX "module."
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static bool sig_enforce = IS_ENABLED(CONFIG_MODULE_SIG_FORCE);
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-module_param(sig_enforce, bool_enable_only, 0644);
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-
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+module_param(sig_enforce, bool, 0644);
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/*
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* Export sig_enforce kernel cmdline parameter to allow other subsystems rely
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* on that instead of directly to CONFIG_MODULE_SIG_FORCE config.
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