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spl: fix legacy physical keyslot compatibility

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This commit is contained in:
Michael Scire
2021-10-30 11:21:25 -07:00
parent b9c90b9234
commit 6cf5205a28
3 changed files with 17 additions and 8 deletions
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15
stratosphere/spl/source/spl_secure_monitor_manager.cpp
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@@ -131,11 +131,17 @@ namespace ams::spl {
}
Result SecureMonitorManager::AllocateAesKeySlot(s32 *out_keyslot, const void *owner) {
/* Allocate a new virtual keyslot. */
s32 keyslot;
R_TRY(impl::AllocateAesKeySlot(std::addressof(keyslot)));
/* Get the keyslot's index. */
s32 index;
R_ABORT_UNLESS(impl::TestAesKeySlot(std::addressof(index), keyslot));
bool virt;
R_ABORT_UNLESS(impl::TestAesKeySlot(std::addressof(index), std::addressof(virt), keyslot));
/* All allocated keyslots must be virtual. */
AMS_ABORT_UNLESS(virt);
m_aes_keyslot_owners[index] = owner;
*out_keyslot = keyslot;
@@ -174,10 +180,11 @@ namespace ams::spl {
Result SecureMonitorManager::TestAesKeySlot(s32 *out_index, s32 keyslot, const void *owner) {
/* Validate the keyslot (and get the index). */
s32 index;
R_TRY(impl::TestAesKeySlot(std::addressof(index), keyslot));
bool virt;
R_TRY(impl::TestAesKeySlot(std::addressof(index), std::addressof(virt), keyslot));
/* Check that the keyslot is owned by the request maker. */
R_UNLESS(m_aes_keyslot_owners[index] == owner, spl::ResultInvalidKeySlot());
/* Check that the keyslot is physical (for legacy compat) or owned by the request maker. */
R_UNLESS(!virt || m_aes_keyslot_owners[index] == owner, spl::ResultInvalidKeySlot());
/* Set output index. */
if (out_index != nullptr) {