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Return NPD header in verify_npdrm_self_headers and VerifyEDATHeaderWithKLicense

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This commit is contained in:
NicknineTheEagle 2022-03-20 15:13:59 +03:00 committed by Megamouse
parent 8065dbc2e7
commit 83ca7654b1
6 changed files with 26 additions and 14 deletions
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9
rpcs3/Crypto/unedat.cpp
View File

@ -785,7 +785,7 @@ u128 GetEdatRifKeyFromRapFile(const fs::file& rap_file)
return rifkey;
}
bool VerifyEDATHeaderWithKLicense(const fs::file& input, const std::string& input_file_name, const u8* custom_klic, std::string* contentID, u32* license)
bool VerifyEDATHeaderWithKLicense(const fs::file& input, const std::string& input_file_name, const u8* custom_klic, NPD_HEADER* npd_out)
{
// Setup NPD and EDAT/SDAT structs.
NPD_HEADER NPD;
@ -818,8 +818,11 @@ bool VerifyEDATHeaderWithKLicense(const fs::file& input, const std::string& inpu
std::string_view sv{NPD.content_id, std::size(NPD.content_id)};
sv = sv.substr(0, sv.find_first_of('\0'));
if (contentID) *contentID = std::string(sv);
if (license) *license = (NPD.license & 3);
if (npd_out)
{
memcpy(npd_out, &NPD, sizeof(NPD_HEADER));
}
return true;
}

2
rpcs3/Crypto/unedat.h
View File

@ -57,7 +57,7 @@ struct EDAT_HEADER
// Decrypts full file, or null/empty file
extern fs::file DecryptEDAT(const fs::file& input, const std::string& input_file_name, int mode, u8 *custom_klic, bool verbose);
extern bool VerifyEDATHeaderWithKLicense(const fs::file& input, const std::string& input_file_name, const u8* custom_klic, std::string* contentID = nullptr, u32* license = nullptr);
extern bool VerifyEDATHeaderWithKLicense(const fs::file& input, const std::string& input_file_name, const u8* custom_klic, NPD_HEADER *npd_out = nullptr);
u128 GetEdatRifKeyFromRapFile(const fs::file& rap_file);

10
rpcs3/Crypto/unself.cpp
View File

@ -1460,7 +1460,7 @@ fs::file decrypt_self(fs::file elf_or_self, u8* klic_key, SelfAdditionalInfo* ou
return elf_or_self;
}
bool verify_npdrm_self_headers(const fs::file& self, u8* klic_key)
bool verify_npdrm_self_headers(const fs::file& self, u8* klic_key, NPD_HEADER* npd_out)
{
if (!self)
return false;
@ -1488,6 +1488,14 @@ bool verify_npdrm_self_headers(const fs::file& self, u8* klic_key)
self_log.error("SELF: Failed to load SELF file metadata!");
return false;
}
if (npd_out)
{
if (const NPD_HEADER* npd = self_dec.GetNPDHeader())
{
memcpy(npd_out, npd, sizeof(NPD_HEADER));
}
}
}
return true;
}

2
rpcs3/Crypto/unself.h
View File

@ -497,6 +497,6 @@ private:
};
fs::file decrypt_self(fs::file elf_or_self, u8* klic_key = nullptr, SelfAdditionalInfo* additional_info = nullptr);
bool verify_npdrm_self_headers(const fs::file& self, u8* klic_key = nullptr);
bool verify_npdrm_self_headers(const fs::file& self, u8* klic_key = nullptr, NPD_HEADER* npd_out = nullptr);
u128 get_default_self_klic();

11
rpcs3/Emu/Cell/Modules/sceNp.cpp
View File

@ -510,19 +510,18 @@ error_code npDrmIsAvailable(vm::cptr<u8> k_licensee_addr, vm::cptr<char> drm_pat
{
// edata / sdata files
std::string contentID;
u32 license_type = 0;
NPD_HEADER npd;
if (VerifyEDATHeaderWithKLicense(enc_file, enc_drm_path, reinterpret_cast<u8*>(&k_licensee), &contentID, &license_type))
if (VerifyEDATHeaderWithKLicense(enc_file, enc_drm_path, reinterpret_cast<u8*>(&k_licensee), &npd))
{
// Check if RAP-free
if (license_type == 3)
if (npd.license == 3)
{
npdrmkeys.install_decryption_key(k_licensee);
}
else
{
const std::string rap_file = rpcs3::utils::get_rap_file_path(contentID);
const std::string rap_file = rpcs3::utils::get_rap_file_path(npd.content_id);
if (fs::file rap_fd{rap_file}; rap_fd && rap_fd.size() >= sizeof(u128))
{
@ -572,7 +571,7 @@ error_code npDrmVerifyUpgradeLicense(vm::cptr<char> content_id)
}
const std::string content_str(content_id.get_ptr(), std::find(content_id.get_ptr(), content_id.get_ptr() + 0x2f, '\0'));
sceNp.warning("npDrmVerifyUpgradeLicense(): content_id='%s'", content_id);
sceNp.warning("npDrmVerifyUpgradeLicense(): content_id=%s", content_id);
if (!rpcs3::utils::verify_c00_unlock_edat(content_str))
return SCE_NP_DRM_ERROR_LICENSE_NOT_FOUND;

6
rpcs3/Emu/system_utils.cpp
View File

@ -244,14 +244,16 @@ namespace rpcs3::utils
return true;
u128 k_licensee = get_default_self_klic();
std::string edat_content_id;
NPD_HEADER npd;
if (!VerifyEDATHeaderWithKLicense(enc_file, edat_path, reinterpret_cast<u8*>(&k_licensee), &edat_content_id))
if (!VerifyEDATHeaderWithKLicense(enc_file, edat_path, reinterpret_cast<u8*>(&k_licensee), &npd))
{
sys_log.error("verify_c00_unlock_edat(): Failed to verify npd file '%s'", edat_path);
return false;
}
std::string edat_content_id = npd.content_id;
if (edat_content_id != content_id)
{
sys_log.error("verify_c00_unlock_edat(): Content ID mismatch in npd header of '%s'", edat_path);