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Crypto: fix sprx/self check in npDrm and edata fixes

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This commit is contained in:
Jake 2017-03-22 06:13:20 -05:00 • committed by Ivan
parent 44e62c5c92
commit 65696bf6a3
8 changed files with 109 additions and 58 deletions
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99
rpcs3/Emu/Cell/Modules/sceNp.cpp
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@ -5,6 +5,7 @@
#include "Emu/Cell/lv2/sys_process.h"
#include "Emu/IdManager.h"
#include "Crypto/unedat.h"
#include "Crypto/unself.h"
#include "sceNp.h"
logs::channel sceNp("sceNp", logs::level::notice);
@ -48,7 +49,7 @@ s32 npDrmIsAvailable(vm::cptr<u8> k_licensee_addr, vm::cptr<char> drm_path)
}
std::string k_licensee_str = "";
std::array<u8, 0x10> k_licensee;
std::array<u8, 0x10> k_licensee{0};
if (k_licensee_addr)
{
@ -57,29 +58,11 @@ s32 npDrmIsAvailable(vm::cptr<u8> k_licensee_addr, vm::cptr<char> drm_path)
k_licensee[i] = *(k_licensee_addr + i);
k_licensee_str += fmt::format("%02x", k_licensee[i]);
}
}
const std::string& enc_drm_path_local = vfs::get(enc_drm_path);
const fs::file enc_file(vfs::get(enc_drm_path));
u32 magic;
enc_file.read<u32>(magic);
enc_file.seek(0);
if (magic == "SCE\0"_u32) {
sceNp.notice("npDrmIsAvailable(): Assuming file is encrypted at %s", enc_drm_path);
//sprx
}
else if (magic != "NPD\0"_u32)
{
// for now assume its just unencrypted
sceNp.notice("npDrmIsAvailable(): Assuming edat file is unencrypted at %s", enc_drm_path);
return CELL_OK;
sceNp.notice("npDrmIsAvailable(): KLicense key %s", k_licensee_str);
}
sceNp.warning("npDrmIsAvailable(): Found DRM license file at %s", enc_drm_path);
if (k_licensee_addr) {
sceNp.notice("npDrmIsAvailable(): KLicense key %s", k_licensee_str);
}
// TODO: Make more explicit what this actually does (currently it copies "XXXXXXXX" from drm_path (== "/dev_hdd0/game/XXXXXXXXX/*" assumed)
const std::string& drm_file_dir = enc_drm_path.substr(15);
@ -87,39 +70,67 @@ s32 npDrmIsAvailable(vm::cptr<u8> k_licensee_addr, vm::cptr<char> drm_path)
std::string rap_lpath = vfs::get("/dev_hdd0/home/00000001/exdata/"); // TODO: Allow multiple profiles. Use default for now.
auto edatkeys = fxm::get_always<EdatKeys_t>();
// Search for a compatible RAP file.
if (!k_licensee_addr) {
for (const auto& entry : fs::dir(rap_lpath))
for (const auto& entry : fs::dir(rap_lpath))
{
if (entry.name.find(title_id) != -1)
{
if (entry.name.find(title_id) != -1)
{
rap_lpath += entry.name;
break;
}
rap_lpath += entry.name;
break;
}
if (rap_lpath.back() == '/')
{
sceNp.warning("npDrmIsAvailable(): Can't find RAP file for %s", enc_drm_path);
edatkeys->rifKey.fill(0);
}
else
edatkeys->rifKey = GetEdatRifKeyFromRapFile(fs::file{ rap_lpath });
}
if (VerifyEDATHeaderWithKLicense(enc_file, enc_drm_path_local, k_licensee))
auto npdrmkeys = fxm::get_always<LoadedNpdrmKeys_t>();
npdrmkeys->devKlic.fill(0);
npdrmkeys->rifKey.fill(0);
if (rap_lpath.back() == '/')
{
edatkeys->devKlic = std::move(k_licensee);
return CELL_OK;
sceNp.warning("npDrmIsAvailable(): Can't find RAP file for %s", enc_drm_path);
}
else
npdrmkeys->rifKey = GetEdatRifKeyFromRapFile(fs::file{ rap_lpath });
const std::string& enc_drm_path_local = vfs::get(enc_drm_path);
const fs::file enc_file(enc_drm_path_local);
u32 magic;
enc_file.read<u32>(magic);
enc_file.seek(0);
if (magic == "SCE\0"_u32)
{
if (verify_npdrm_self_headers(enc_file, k_licensee.data()))
{
npdrmkeys->devKlic = std::move(k_licensee);
}
else
{
sceNp.error("npDrmIsAvailable(): Failed to verify sce file %s", enc_drm_path);
return SCE_NP_DRM_ERROR_NO_ENTITLEMENT;
}
}
else if (magic == "NPD\0"_u32)
{
// edata / sdata files
if (VerifyEDATHeaderWithKLicense(enc_file, enc_drm_path_local, k_licensee))
{
npdrmkeys->devKlic = std::move(k_licensee);
}
else
{
sceNp.error("npDrmIsAvailable(): Failed to verify npd file %s", enc_drm_path);
return SCE_NP_DRM_ERROR_NO_ENTITLEMENT;
}
}
else
{
sceNp.error("npDrmIsAvailable(): Failed to verify edat file %s", enc_drm_path);
edatkeys->devKlic.fill(0);
edatkeys->rifKey.fill(0);
return SCE_NP_DRM_ERROR_FORMAT;
// for now assume its just unencrypted
sceNp.notice("npDrmIsAvailable(): Assuming npdrm file is unencrypted at %s", enc_drm_path);
}
return CELL_OK;
}