OmniNX/Atmosphere
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fs: add indirection to raw storage open, for hac2l

Browse Source
This commit is contained in:
Michael Scire
2022-03-13 20:58:02 -07:00
committed by SciresM
parent 9866285f0e
commit 32d443977e
6 changed files with 70 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
libraries/libstratosphere/source/fssystem/fssystem_nca_reader.cpp
View File

@@ -103,8 +103,13 @@ namespace ams::fssystem {
const u8 *msg = static_cast<const u8 *>(static_cast<const void *>(std::addressof(m_header.magic)));
const size_t msg_size = NcaHeader::Size - NcaHeader::HeaderSignSize * NcaHeader::HeaderSignCount;
const bool is_signature_valid = crypto::VerifyRsa2048PssSha256(sig, sig_size, mod, mod_size, exp, exp_size, msg, msg_size);
R_UNLESS(is_signature_valid, fs::ResultNcaHeaderSignature1VerificationFailed());
m_is_header_sign1_signature_valid = crypto::VerifyRsa2048PssSha256(sig, sig_size, mod, mod_size, exp, exp_size, msg, msg_size);
#if defined(ATMOSPHERE_BOARD_NINTENDO_NX)
R_UNLESS(m_is_header_sign1_signature_valid, fs::ResultNcaHeaderSignature1VerificationFailed());
#else
R_UNLESS(m_is_header_sign1_signature_valid || crypto_cfg.is_unsigned_header_available_for_host_tool, fs::ResultNcaHeaderSignature1VerificationFailed());
#endif
}
/* Validate the sdk version. */
@@ -363,14 +368,22 @@ namespace ams::fssystem {
return m_header_storage->Read(offset, dst, sizeof(NcaFsHeader));
}
void NcaReader::GetHeaderSign2(void *dst, size_t size) {
bool NcaReader::GetHeaderSign1Valid() const {
#if defined(ATMOSPHERE_BOARD_NINTENDO_NX)
AMS_ABORT_UNLESS(m_is_header_sign1_signature_valid);
#endif
return m_is_header_sign1_signature_valid;
}
void NcaReader::GetHeaderSign2(void *dst, size_t size) const {
AMS_ASSERT(dst != nullptr);
AMS_ASSERT(size == NcaHeader::HeaderSignSize);
std::memcpy(dst, m_header.header_sign_2, size);
}
void NcaReader::GetHeaderSign2TargetHash(void *dst, size_t size) {
void NcaReader::GetHeaderSign2TargetHash(void *dst, size_t size) const {
AMS_ASSERT(m_hash_generator_factory != nullptr);
AMS_ASSERT(dst != nullptr);
AMS_ASSERT(size == IHash256Generator::HashSize);