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pkgextract toll : print partially pkg header

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This commit is contained in:
georgemoralis 2023-01-31 11:44:05 +02:00
parent bfb60e4c84
commit bbe33581c7
4 changed files with 101 additions and 18 deletions
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2
.gitignore vendored
View file

@ -398,3 +398,5 @@ FodyWeavers.xsd
*.sln.iml
/shadPS4/game/*
/shadPS4/psf.txt
/tools/pkg extractor/game/*
/tools/pkg extractor/*.pkg

3
tools/pkg extractor/PKG.cpp
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@ -18,7 +18,6 @@ bool PKG::open(const std::string& filepath) {
return false;
}
pkgSize = file.getFileSize();
PKGHeader pkgheader;
file.ReadBE(pkgheader);
//we have already checked magic should be ok
@ -39,7 +38,7 @@ bool PKG::extract(const std::string& filepath, const std::string& extractPath, s
return false;
}
pkgSize = file.getFileSize();
PKGHeader pkgheader;
file.ReadBE(pkgheader);
if (pkgheader.pkg_size > pkgSize)

77
tools/pkg extractor/PKG.h
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@ -4,6 +4,7 @@
#include <io.h>
#include <windows.h>
#include <stdio.h>
#include <inttypes.h>
struct PKGHeader {
/*BE*/U32 magic;// Magic
@ -69,10 +70,19 @@ struct PKGHeader {
inline void ReadBE(PKGHeader& s)
{
ReadBE(s.magic);
ReadBE(s.pkg_table_entry_offset);
ReadBE(s.pkg_type);
ReadBE(s.pkg_0x8);
ReadBE(s.pkg_file_count);
ReadBE(s.pkg_table_entry_count);
ReadBE(s.pkg_sc_entry_count);
ReadBE(s.pkg_table_entry_count_2);
ReadBE(s.pkg_table_entry_offset);
ReadBE(s.pkg_sc_entry_data_size);
ReadBE(s.pkg_body_offset);
ReadBE(s.pkg_body_size);
ReadBE(s.pkg_content_offset);
ReadBE(s.pkg_content_size);
ReadBE(s.pfs_image_offset);
ReadBE(s.pfs_image_size);
ReadBE(s.pkg_size);
@ -106,6 +116,7 @@ private:
U64 pkgSize = 0;
S08 pkgTitleID[9];
std::string extractPath;
PKGHeader pkgheader;
public:
PKG();
@ -197,5 +208,69 @@ public:
return entry_name;
}
void printPkgHeader()
{
printf("PS4 PKG header:\n");
printf("- PKG magic: 0x%X\n", pkgheader.magic);
printf("- PKG type: 0x%X\n", pkgheader.pkg_type);
printf("- PKG 0x8: 0x%X\n", pkgheader.pkg_0x8);
printf("- PKG file count: 0x%X\n", pkgheader.pkg_file_count);
printf("- PKG table entries: 0x%X\n", pkgheader.pkg_table_entry_count);
printf("- PKG system entries: 0x%X\n", pkgheader.pkg_sc_entry_count);
printf("- PKG table entries2: 0x%X\n", pkgheader.pkg_table_entry_count_2);
printf("- PKG table offset: 0x%X\n", pkgheader.pkg_table_entry_offset);
printf("- PKG table entry data size: 0x%X\n", pkgheader.pkg_sc_entry_data_size);
printf("- PKG body offset: 0x%" PRIx64 "\n", pkgheader.pkg_body_offset);
printf("- PKG body size: 0x%" PRIx64 "\n", pkgheader.pkg_body_size);
printf("- PKG content offset: 0x%" PRIx64 "\n", pkgheader.pkg_content_offset);
printf("- PKG conteít size: 0x%" PRIx64 "\n", pkgheader.pkg_content_offset);
printf("- PKG pkg_content_id: %s\n", pkgheader.pkg_content_id);
printf("\n\n");
// U08 pkg_content_id[0x24];//packages' content ID as a 36-byte string
// U08 pkg_padding[0xC];//padding
// /*BE*/U32 pkg_drm_type;//DRM type
// /*BE*/U32 pkg_content_type;//Content type
// /*BE*/U32 pkg_content_flags;//Content flags
// /*BE*/U32 pkg_promote_size;
// /*BE*/U32 pkg_version_date;
// /*BE*/U32 pkg_version_hash;
// /*BE*/U32 pkg_0x088;
// /*BE*/U32 pkg_0x08C;
// /*BE*/U32 pkg_0x090;
// /*BE*/U32 pkg_0x094;
// /*BE*/U32 pkg_iro_tag;
// /*BE*/U32 pkg_drm_type_version;
// U08 pkg_zeroes_1[0x60];
/* Digest table */
// U08 digest_entries1[0x20]; // sha256 digest for main entry 1
// U08 digest_entries2[0x20]; // sha256 digest for main entry 2
// U08 digest_table_digest[0x20]; // sha256 digest for digest table
// U08 digest_body_digest[0x20]; // sha256 digest for main table
// U08 pkg_zeroes_2[0x280];
// U32 pkg_0x400;
// U32 pfs_image_count; // count of PFS images
// U64 pfs_image_flags; // PFS flags
// U64 pfs_image_offset; // offset to start of external PFS image
// U64 pfs_image_size; // size of external PFS image
// U64 mount_image_offset;
// U64 mount_image_size;
// U64 pkg_size;
// U32 pfs_signed_size;
// U32 pfs_cache_size;
// U08 pfs_image_digest[0x20];
// U08 pfs_signed_digest[0x20];
// U64 pfs_split_size_nth_0;
// U64 pfs_split_size_nth_1;
// U08 pkg_zeroes_3[0xB50];
// U08 pkg_digest[0x20]; */
}
};

37
tools/pkg extractor/pkgextract.cpp
View file

@ -1,20 +1,27 @@
// pkgextract.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <sys/stat.h>
#include <direct.h>
#include "PKG.h"
int main()
{
std::cout << "Hello World!\n";
PKG pkg;
if (!pkg.open("test.pkg"))
{
std::cout << "Error reading test.pkg\n";
return 0;
}
pkg.printPkgHeader();
std::string gamedir = "game/" + pkg.getTitleID();
struct stat sb;
if (stat(gamedir.c_str(), &sb) != 0)
{
_mkdir(gamedir.c_str());
}
std::string extractpath = "game/" + pkg.getTitleID() + "/";
std::string failreason;
if (!pkg.extract("test.pkg", extractpath, failreason))
{
std::cout << "Error extraction " << failreason;
}
}
// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu
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// 1. Use the Solution Explorer window to add/manage files
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// 5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
// 6. In the future, to open this project again, go to File > Open > Project and select the .sln file