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Merge pull request #507 from LukeUsher/better-ap-bypass 

Implement alternate Anti-Piracy patching
This commit is contained in:
PatrickvL 2017-07-19 14:14:54 +02:00 committed by GitHub
parent 1f52d3843b 384f305490
commit c63e330c96
2 changed files with 19 additions and 38 deletions
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4
src/Common/Xbe.h
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@ -137,7 +137,11 @@ class Xbe : public Error
uint32 dwVersion; // 0x00AC - version
uint08 bzLanKey[16]; // 0x00B0 - lan key
uint08 bzSignatureKey[16]; // 0x00C0 - signature key
// NOT ALL XBEs have these fields!
uint08 bzTitleAlternateSignatureKey[16][16]; // 0x00D0 - alternate signature keys
uint32 dwOriginalCertificateSize; // 0x01D0 - Original Certificate Size?
uint32 dwOnlineService; // 0x01D4 - Online Service ID
uint32 dwSecurityFlags; // 0x01D8 - Extra Security Flags
}
#include "AlignPosfix1.h"
m_Certificate;

53
src/CxbxKrnl/CxbxKrnl.cpp
View File

@ -120,49 +120,26 @@ void ApplyMediaPatches()
Xbe::Certificate *pCertificate = (Xbe::Certificate*)CxbxKrnl_XbeHeader->dwCertificateAddr;
// Patch the XBE Header to allow running from all media types
pCertificate->dwAllowedMedia = XBEIMAGE_MEDIA_TYPE_HARD_DISK | XBEIMAGE_MEDIA_TYPE_DVD_CD | XBEIMAGE_MEDIA_TYPE_MEDIA_BOARD;
pCertificate->dwAllowedMedia |= XBEIMAGE_MEDIA_TYPE_HARD_DISK |
XBEIMAGE_MEDIA_TYPE_DVD_X2 | XBEIMAGE_MEDIA_TYPE_DVD_CD |
XBEIMAGE_MEDIA_TYPE_CD | XBEIMAGE_MEDIA_TYPE_DVD_5_RO |
XBEIMAGE_MEDIA_TYPE_DVD_9_RO | XBEIMAGE_MEDIA_TYPE_DVD_5_RW |
XBEIMAGE_MEDIA_TYPE_DVD_5_RW;
// Patch the XBE Header to allow running on all regions
pCertificate->dwGameRegion = XBEIMAGE_GAME_REGION_MANUFACTURING | XBEIMAGE_GAME_REGION_NA | XBEIMAGE_GAME_REGION_JAPAN | XBEIMAGE_GAME_REGION_RESTOFWORLD;
pCertificate->dwGameRegion = XBEIMAGE_GAME_REGION_MANUFACTURING |
XBEIMAGE_GAME_REGION_NA | XBEIMAGE_GAME_REGION_JAPAN |
XBEIMAGE_GAME_REGION_RESTOFWORLD;
// Generic Media Check Patches (From DVD2XBOX)
typedef struct
{
std::string name;
std::vector<uint8_t> data;
std::vector<uint8_t> patch;
} hexpatch_t;
std::vector<hexpatch_t> mediaPatches;
mediaPatches.push_back({ "Media Patch 1",
{ 0x74, 0x4B, 0xE8, 0xCA, 0xFD, 0xFF, 0xFF, 0x85, 0xC0, 0x7D, 0x06, 0x33, 0xC0, 0x50, 0x50, 0xEB, 0x44, 0xF6, 0x05},
{ 0x74, 0x4B, 0xE8, 0xCA, 0xFD, 0xFF, 0xFF, 0x85, 0xC0, 0xEB, 0x06, 0x33, 0xC0, 0x50, 0x50, 0xEB, 0x44, 0xF6, 0x05 }
});
mediaPatches.push_back({ "Media Patch 2",
{ 0xE8, 0xCA, 0xFD, 0xFF, 0xFF, 0x85, 0xC0, 0x7D },
{ 0xE8, 0xCA, 0xFD, 0xFF, 0xFF, 0x85, 0xC0, 0xEB }
});
mediaPatches.push_back({ "FATX Patch",
{ 0x46, 0x41, 0x54, 0x58, 0x00, 0x00, 0x00, 0x00, 0x44, 0x3A, 0x5C },
{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }
});
for (auto it = mediaPatches.begin(); it < mediaPatches.end(); ++it) {
hexpatch_t patch = *it;
// Iterate through the XBE until we find the patch
for (xbaddr addr = CxbxKrnl_XbeHeader->dwBaseAddr; addr < CxbxKrnl_XbeHeader->dwSizeofImage + CxbxKrnl_XbeHeader->dwBaseAddr; addr++) {
if (memcmp((void*)addr, &patch.data[0], patch.data.size()) == 0) {
printf("Applying %s\n", patch.name.c_str());
memcpy((void*)addr, &patch.patch[0], patch.patch.size());
addr += patch.data.size() - 1;
// Patch the XBE Security Flag
// This field is only present if the Xbe Size is >= than our Certificate Structure
// This works as our structure is large enough to fit the newer certificate size,
// while dwSize is the actual size of the certificate in the Xbe.
// Source: Various Hacked Kernels
if (pCertificate->dwSize >= sizeof(Xbe::Certificate)) {
pCertificate->dwSecurityFlags &= ~1;
}
}
}
}
void SetupPerTitleKeys()
{