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Merge pull request #753 from tambry/NpDrmIsAvailable2

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Implement sceNpDrmIsAvailable2
This commit is contained in:
B1ackDaemon 2014-08-13 22:40:23 +03:00
commit 27403162ad
1 changed files with 65 additions and 1 deletions
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66
rpcs3/Emu/SysCalls/Modules/sceNp.cpp
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@ -97,7 +97,71 @@ int sceNpDrmIsAvailable(u32 k_licensee_addr, u32 drm_path_addr)
int sceNpDrmIsAvailable2(u32 k_licensee_addr, u32 drm_path_addr)
{
UNIMPLEMENTED_FUNC(sceNp);
sceNp->Warning("sceNpDrmIsAvailable2(k_licensee_addr=0x%x, drm_path_addr=0x%x)", k_licensee_addr, drm_path_addr);
std::string drm_path = Memory.ReadString(drm_path_addr);
if (!Emu.GetVFS().ExistsFile(drm_path))
{
sceNp->Warning("sceNpDrmIsAvailable2(): '%s' not found", drm_path.c_str());
return CELL_ENOENT;
}
std::string k_licensee_str = "0";
u8 k_licensee[0x10];
if (k_licensee_addr)
{
for (int i = 0; i < 0x10; i++)
{
k_licensee[i] = Memory.Read8(k_licensee_addr + i);
k_licensee_str += fmt::Format("%02x", k_licensee[i]);
}
}
sceNp->Warning("sceNpDrmIsAvailable2: Found DRM license file at %s", drm_path.c_str());
sceNp->Warning("sceNpDrmIsAvailable2: Using k_licensee 0x%s", k_licensee_str.c_str());
// Set the necessary file paths.
std::string drm_file_name = fmt::AfterLast(drm_path, '/');
// TODO: Make more explicit what this actually does (currently it copies "XXXXXXXX" from drm_path (== "/dev_hdd0/game/XXXXXXXXX/*" assumed)
std::string titleID = drm_path.substr(15, 9);
// TODO: These shouldn't use current dir
std::string enc_drm_path = drm_path;
std::string dec_drm_path = "/dev_hdd1/" + titleID + "/" + drm_file_name;
std::string rap_path = "/dev_usb000/";
// Search dev_usb000 for a compatible RAP file.
vfsDir *raps_dir = new vfsDir(rap_path);
if (!raps_dir->IsOpened())
sceNp->Warning("sceNpDrmIsAvailable2: Can't find RAP file for DRM!");
else
{
const std::vector<DirEntryInfo> &entries = raps_dir->GetEntries();
for (auto &entry : entries)
{
if (entry.name.find(titleID) != std::string::npos)
{
rap_path += entry.name;
break;
}
}
}
// Create a new directory under dev_hdd1/titleID to hold the decrypted data.
// TODO: These shouldn't use current dir
std::string tmp_dir = "./dev_hdd1/" + titleID;
if (!rExists(tmp_dir))
rMkdir("./dev_hdd1/" + titleID);
// Decrypt this EDAT using the supplied k_licensee and matching RAP file.
std::string enc_drm_path_local, dec_drm_path_local, rap_path_local;
Emu.GetVFS().GetDevice(enc_drm_path, enc_drm_path_local);
Emu.GetVFS().GetDevice(dec_drm_path, dec_drm_path_local);
Emu.GetVFS().GetDevice(rap_path, rap_path_local);
DecryptEDAT(enc_drm_path_local, dec_drm_path_local, 8, rap_path_local, k_licensee, false);
return CELL_OK;
}