diff --git a/rpcs3/Emu/SysCalls/Modules/sceNp.cpp b/rpcs3/Emu/SysCalls/Modules/sceNp.cpp index 7ae3e88654..f8588f7c6d 100644 --- a/rpcs3/Emu/SysCalls/Modules/sceNp.cpp +++ b/rpcs3/Emu/SysCalls/Modules/sceNp.cpp @@ -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 &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; }