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bis_protect: guard against autorcm on rcm-patched units

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This commit is contained in:
Michael Scire
2019-04-01 17:24:15 -07:00
parent 350dccff3d
commit 262d6af519
3 changed files with 16 additions and 2 deletions
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11
stratosphere/ams_mitm/source/fs_mitm/fsmitm_boot0storage.cpp
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@@ -24,7 +24,16 @@ static HosMutex g_boot0_mutex;
static u8 g_boot0_bct_buffer[Boot0Storage::BctEndOffset];
bool Boot0Storage::CanModifyBctPubks() {
return this->title_id != TitleId_Ns;
if (IsRcmBugPatched()) {
/* RCM bug patched. */
/* Only allow NS to update the BCT pubks. */
/* AutoRCM on a patched unit will cause a brick, so homebrew should NOT be allowed to write. */
return this->title_id == TitleId_Ns;
} else {
/* RCM bug unpatched. */
/* Allow homebrew but not NS to update the BCT pubks. */
return this->title_id != TitleId_Ns;
}
}
Result Boot0Storage::Read(void *_buffer, size_t size, u64 offset) {