87 lines
2.5 KiB
Diff
87 lines
2.5 KiB
Diff
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From 23cdee7b62fc62cd988d74b2180014595da9e4c5 Mon Sep 17 00:00:00 2001
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From: Gary Ching-Pang Lin <glin@suse.com>
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Date: Thu, 13 Feb 2014 15:05:45 +0800
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Subject: [PATCH 1/2] MokManager: calculate the variable size correctly
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MokSize of the hash signature list includes the owner GUID,
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so we should not add the 16bytes compensation.
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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---
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MokManager.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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diff --git a/MokManager.c b/MokManager.c
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index e79a8e0..e0cc143 100644
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--- a/MokManager.c
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+++ b/MokManager.c
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@@ -934,7 +934,9 @@ static EFI_STATUS write_back_mok_list (MokListNode *list, INTN key_num,
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if (list[i].Mok == NULL)
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continue;
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- DataSize += sizeof(EFI_SIGNATURE_LIST) + sizeof(EFI_GUID);
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+ DataSize += sizeof(EFI_SIGNATURE_LIST);
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+ if (CompareGuid(&(list[i].Type), &CertType) == 0)
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+ DataSize += sizeof(EFI_GUID);
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DataSize += list[i].MokSize;
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}
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--
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1.8.4.5
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From 6b70c15cd8a83e0e62088bc4f2f8e84e818d2b73 Mon Sep 17 00:00:00 2001
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From: Gary Ching-Pang Lin <glin@suse.com>
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Date: Mon, 17 Feb 2014 17:49:55 +0800
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Subject: [PATCH 2/2] MokManager: fix the hash list counting in delete
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match_hash() requests the number of keys in a list and it was
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mistakenly replaced with the size of the Mok node. This would
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made MokManager to remove the whole Mok node instead of one
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hash.
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Signed-off-by: Gary Ching-Pang Lin <glin@suse.com>
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---
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MokManager.c | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/MokManager.c b/MokManager.c
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index e0cc143..5af5ce6 100644
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--- a/MokManager.c
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+++ b/MokManager.c
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@@ -1042,6 +1042,7 @@ static void delete_hash_in_list (UINT8 *hash, UINT32 hash_size,
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{
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EFI_GUID HashType = EFI_CERT_SHA256_GUID;
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UINT32 sig_size;
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+ UINT32 list_num;
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int i, del_ind;
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void *start, *end;
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UINT32 remain;
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@@ -1053,8 +1054,10 @@ static void delete_hash_in_list (UINT8 *hash, UINT32 hash_size,
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(mok[i].MokSize < sig_size))
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continue;
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+ list_num = mok[i].MokSize / sig_size;
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+
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del_ind = match_hash(hash, hash_size, 0, mok[i].Mok,
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- mok[i].MokSize);
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+ list_num);
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while (del_ind >= 0) {
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/* Remove the hash */
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if (sig_size == mok[i].MokSize) {
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@@ -1069,9 +1072,10 @@ static void delete_hash_in_list (UINT8 *hash, UINT32 hash_size,
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mem_move(start, end, remain);
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mok[i].MokSize -= sig_size;
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+ list_num--;
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del_ind = match_hash(hash, hash_size, del_ind,
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- mok[i].Mok, mok[i].MokSize);
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+ mok[i].Mok, list_num);
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}
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}
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}
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--
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1.8.4.5
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