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From ac0400b20264ef67b67891d2216edd3fe20e5571 Mon Sep 17 00:00:00 2001
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From: Patrick Uiterwijk <patrick@puiterwijk.org>
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Date: Mon, 5 Nov 2018 14:51:16 +0100
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Subject: [PATCH 20/62] Make sure that MOK variables always get mirrored
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Without this, if a Mok variable doesn't exist in Boot Services, it will also
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not be copied to Runtime, even if we have data to be added to it (vendor cert).
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This patch makes sure that if we have extra data to append, we still mirror
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the variable.
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Signed-off-by: Patrick Uiterwijk <patrick@puiterwijk.org>
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Upstream-commit-id: 9ab0d796bdc
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---
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mok.c | 20 ++++++++++++++++----
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1 file changed, 16 insertions(+), 4 deletions(-)
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diff --git a/mok.c b/mok.c
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index 38675211e0e..00dd1ad3034 100644
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--- a/mok.c
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+++ b/mok.c
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@@ -223,11 +223,26 @@ EFI_STATUS import_mok_state(EFI_HANDLE image_handle)
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UINT32 attrs = 0;
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BOOLEAN delete = FALSE, present, addend;
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+ addend = (v->addend_source && v->addend_size &&
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+ *v->addend_source && *v->addend_size)
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+ ? TRUE : FALSE;
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+
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efi_status = get_variable_attr(v->name,
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&v->data, &v->data_size,
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*v->guid, &attrs);
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- if (efi_status == EFI_NOT_FOUND)
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+ if (efi_status == EFI_NOT_FOUND) {
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+ if (v->rtname && addend) {
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+ efi_status = mirror_one_mok_variable(v);
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+ if (EFI_ERROR(efi_status) &&
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+ ret != EFI_SECURITY_VIOLATION)
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+ ret = efi_status;
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+ }
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+ /*
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+ * after possibly adding, we can continue, no
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+ * further checks to be done.
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+ */
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continue;
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+ }
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if (EFI_ERROR(efi_status)) {
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perror(L"Could not verify %s: %r\n", v->name,
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efi_status);
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@@ -272,9 +287,6 @@ EFI_STATUS import_mok_state(EFI_HANDLE image_handle)
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}
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present = (v->data && v->data_size) ? TRUE : FALSE;
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- addend = (v->addend_source && v->addend_size &&
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- *v->addend_source && *v->addend_size)
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- ? TRUE : FALSE;
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if (v->flags & MOK_VARIABLE_MEASURE && present) {
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/*
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--
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2.26.2
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