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From 74718677945b1ab825130b317c63f5002876e772 Mon Sep 17 00:00:00 2001
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From: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
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Date: Thu, 5 Jul 2018 11:28:12 -0400
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Subject: [PATCH 03/62] Let MokManager follow a MokTimeout var for timeout
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length for the prompt
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This timeout can have the values [-1,0..0x7fff]; where -1 means "no timeout",
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with MokManager going directly to the menu, and is capped to 0x7fff to avoid
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unecessary long timeouts. The default remains 10, which will be used whenever
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the MokTimeout variable isn't set.
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Signed-off-by: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
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Upstream-commit-id: 93708c11083
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---
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MokManager.c | 23 ++++++++++++++++++++++-
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1 file changed, 22 insertions(+), 1 deletion(-)
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diff --git a/MokManager.c b/MokManager.c
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index 7e40a38f1d1..0767e4a6cde 100644
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--- a/MokManager.c
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+++ b/MokManager.c
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@@ -40,6 +40,10 @@ typedef struct {
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CHAR16 Password[SB_PASSWORD_LEN];
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} __attribute__ ((packed)) MokDBvar;
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+typedef struct {
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+ INT32 Timeout;
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+} __attribute__ ((packed)) MokTimeoutvar;
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+
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static EFI_STATUS get_sha1sum(void *Data, int DataSize, UINT8 * hash)
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{
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EFI_STATUS efi_status;
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@@ -2041,7 +2045,24 @@ static int draw_countdown()
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UINTN cols, rows;
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CHAR16 *title[2];
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CHAR16 *message = L"Press any key to perform MOK management";
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- int timeout = 10, wait = 10000000;
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+ void *MokTimeout = NULL;
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+ MokTimeoutvar *var;
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+ UINTN MokTimeoutSize = 0;
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+ int timeout, wait = 10000000;
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+
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+ efi_status = get_variable(L"MokTimeout", (UINT8 **) &MokTimeout,
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+ &MokTimeoutSize, SHIM_LOCK_GUID);
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+ if (EFI_ERROR(efi_status)) {
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+ timeout = 10;
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+ } else {
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+ var = MokTimeout;
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+ timeout = (int)var->Timeout;
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+ FreePool(MokTimeout);
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+ LibDeleteVariable(L"MokTimeout", &SHIM_LOCK_GUID);
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+ }
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+
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+ if (timeout < 0)
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+ return timeout;
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console_save_and_set_mode(&SavedMode);
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--
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2.26.2
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