mirror of
https://github.com/RPCS3/rpcs3.git
synced 2025-04-28 13:28:01 +03:00
1497 lines
37 KiB
C++
1497 lines
37 KiB
C++
#include "stdafx.h"
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#include "aes.h"
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#include "utils.h"
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#include "unself.h"
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#include "Emu/VFS.h"
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#include "Emu/System.h"
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#include <algorithm>
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#include <zlib.h>
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inline u8 Read8(const fs::file& f)
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{
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u8 ret;
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f.read(&ret, sizeof(ret));
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return ret;
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}
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inline u16 Read16(const fs::file& f)
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{
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be_t<u16> ret;
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f.read(&ret, sizeof(ret));
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return ret;
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}
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inline u32 Read32(const fs::file& f)
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{
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be_t<u32> ret;
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f.read(&ret, sizeof(ret));
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return ret;
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}
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inline u64 Read64(const fs::file& f)
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{
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be_t<u64> ret;
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f.read(&ret, sizeof(ret));
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return ret;
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}
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inline u16 Read16LE(const fs::file& f)
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{
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u16 ret;
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f.read(&ret, sizeof(ret));
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return ret;
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}
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inline u32 Read32LE(const fs::file& f)
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{
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u32 ret;
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f.read(&ret, sizeof(ret));
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return ret;
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}
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inline u64 Read64LE(const fs::file& f)
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{
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u64 ret;
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f.read(&ret, sizeof(ret));
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return ret;
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}
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inline void Write8(const fs::file& f, const u8 data)
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{
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f.write(&data, sizeof(data));
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}
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inline void Write16LE(const fs::file& f, const u16 data)
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{
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f.write(&data, sizeof(data));
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}
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inline void Write32LE(const fs::file& f, const u32 data)
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{
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f.write(&data, sizeof(data));
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}
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inline void Write64LE(const fs::file& f, const u64 data)
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{
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f.write(&data, sizeof(data));
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}
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inline void Write16(const fs::file& f, const be_t<u16> data)
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{
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f.write(&data, sizeof(data));
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}
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inline void Write32(const fs::file& f, const be_t<u32> data)
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{
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f.write(&data, sizeof(data));
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}
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inline void Write64(const fs::file& f, const be_t<u64> data)
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{
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f.write(&data, sizeof(data));
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}
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void WriteEhdr(const fs::file& f, Elf64_Ehdr& ehdr)
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{
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Write32(f, ehdr.e_magic);
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Write8(f, ehdr.e_class);
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Write8(f, ehdr.e_data);
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Write8(f, ehdr.e_curver);
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Write8(f, ehdr.e_os_abi);
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Write64(f, ehdr.e_abi_ver);
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Write16(f, ehdr.e_type);
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Write16(f, ehdr.e_machine);
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Write32(f, ehdr.e_version);
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Write64(f, ehdr.e_entry);
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Write64(f, ehdr.e_phoff);
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Write64(f, ehdr.e_shoff);
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Write32(f, ehdr.e_flags);
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Write16(f, ehdr.e_ehsize);
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Write16(f, ehdr.e_phentsize);
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Write16(f, ehdr.e_phnum);
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Write16(f, ehdr.e_shentsize);
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Write16(f, ehdr.e_shnum);
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Write16(f, ehdr.e_shstrndx);
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}
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void WritePhdr(const fs::file& f, Elf64_Phdr& phdr)
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{
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Write32(f, phdr.p_type);
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Write32(f, phdr.p_flags);
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Write64(f, phdr.p_offset);
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Write64(f, phdr.p_vaddr);
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Write64(f, phdr.p_paddr);
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Write64(f, phdr.p_filesz);
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Write64(f, phdr.p_memsz);
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Write64(f, phdr.p_align);
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}
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void WriteShdr(const fs::file& f, Elf64_Shdr& shdr)
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{
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Write32(f, shdr.sh_name);
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Write32(f, shdr.sh_type);
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Write64(f, shdr.sh_flags);
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Write64(f, shdr.sh_addr);
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Write64(f, shdr.sh_offset);
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Write64(f, shdr.sh_size);
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Write32(f, shdr.sh_link);
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Write32(f, shdr.sh_info);
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Write64(f, shdr.sh_addralign);
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Write64(f, shdr.sh_entsize);
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}
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void WriteEhdr(const fs::file& f, Elf32_Ehdr& ehdr)
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{
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Write32(f, ehdr.e_magic);
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Write8(f, ehdr.e_class);
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Write8(f, ehdr.e_data);
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Write8(f, ehdr.e_curver);
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Write8(f, ehdr.e_os_abi);
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Write64(f, ehdr.e_abi_ver);
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Write16(f, ehdr.e_type);
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Write16(f, ehdr.e_machine);
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Write32(f, ehdr.e_version);
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Write32(f, ehdr.e_entry);
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Write32(f, ehdr.e_phoff);
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Write32(f, ehdr.e_shoff);
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Write32(f, ehdr.e_flags);
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Write16(f, ehdr.e_ehsize);
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Write16(f, ehdr.e_phentsize);
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Write16(f, ehdr.e_phnum);
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Write16(f, ehdr.e_shentsize);
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Write16(f, ehdr.e_shnum);
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Write16(f, ehdr.e_shstrndx);
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}
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void WritePhdr(const fs::file& f, Elf32_Phdr& phdr)
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{
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Write32(f, phdr.p_type);
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Write32(f, phdr.p_offset);
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Write32(f, phdr.p_vaddr);
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Write32(f, phdr.p_paddr);
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Write32(f, phdr.p_filesz);
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Write32(f, phdr.p_memsz);
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Write32(f, phdr.p_flags);
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Write32(f, phdr.p_align);
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}
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void WriteShdr(const fs::file& f, Elf32_Shdr& shdr)
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{
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Write32(f, shdr.sh_name);
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Write32(f, shdr.sh_type);
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Write32(f, shdr.sh_flags);
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Write32(f, shdr.sh_addr);
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Write32(f, shdr.sh_offset);
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Write32(f, shdr.sh_size);
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Write32(f, shdr.sh_link);
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Write32(f, shdr.sh_info);
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Write32(f, shdr.sh_addralign);
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Write32(f, shdr.sh_entsize);
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}
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void AppInfo::Load(const fs::file& f)
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{
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authid = Read64(f);
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vendor_id = Read32(f);
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self_type = Read32(f);
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version = Read64(f);
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padding = Read64(f);
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}
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void AppInfo::Show() const
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{
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self_log.notice("AuthID: 0x%llx", authid);
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self_log.notice("VendorID: 0x%08x", vendor_id);
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self_log.notice("SELF type: 0x%08x", self_type);
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self_log.notice("Version: 0x%llx", version);
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}
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void SectionInfo::Load(const fs::file& f)
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{
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offset = Read64(f);
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size = Read64(f);
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compressed = Read32(f);
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unknown1 = Read32(f);
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unknown2 = Read32(f);
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encrypted = Read32(f);
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}
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void SectionInfo::Show() const
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{
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self_log.notice("Offset: 0x%llx", offset);
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self_log.notice("Size: 0x%llx", size);
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self_log.notice("Compressed: 0x%08x", compressed);
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self_log.notice("Unknown1: 0x%08x", unknown1);
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self_log.notice("Unknown2: 0x%08x", unknown2);
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self_log.notice("Encrypted: 0x%08x", encrypted);
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}
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void SCEVersionInfo::Load(const fs::file& f)
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{
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subheader_type = Read32(f);
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present = Read32(f);
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size = Read32(f);
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unknown = Read32(f);
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}
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void SCEVersionInfo::Show() const
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{
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self_log.notice("Sub-header type: 0x%08x", subheader_type);
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self_log.notice("Present: 0x%08x", present);
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self_log.notice("Size: 0x%08x", size);
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self_log.notice("Unknown: 0x%08x", unknown);
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}
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void ControlInfo::Load(const fs::file& f)
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{
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type = Read32(f);
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size = Read32(f);
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next = Read64(f);
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if (type == 1)
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{
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control_flags.ctrl_flag1 = Read32(f);
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control_flags.unknown1 = Read32(f);
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control_flags.unknown2 = Read32(f);
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control_flags.unknown3 = Read32(f);
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control_flags.unknown4 = Read32(f);
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control_flags.unknown5 = Read32(f);
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control_flags.unknown6 = Read32(f);
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control_flags.unknown7 = Read32(f);
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}
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else if (type == 2)
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{
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if (size == 0x30)
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{
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f.read(file_digest_30.digest, 20);
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file_digest_30.unknown = Read64(f);
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}
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else if (size == 0x40)
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{
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f.read(file_digest_40.digest1, 20);
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f.read(file_digest_40.digest2, 20);
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file_digest_40.unknown = Read64(f);
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}
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}
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else if (type == 3)
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{
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npdrm.magic = Read32(f);
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npdrm.unknown1 = Read32(f);
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npdrm.license = Read32(f);
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npdrm.type = Read32(f);
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f.read(npdrm.content_id, 48);
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f.read(npdrm.digest, 16);
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f.read(npdrm.invdigest, 16);
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f.read(npdrm.xordigest, 16);
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npdrm.unknown2 = Read64(f);
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npdrm.unknown3 = Read64(f);
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}
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}
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void ControlInfo::Show() const
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{
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self_log.notice("Type: 0x%08x", type);
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self_log.notice("Size: 0x%08x", size);
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self_log.notice("Next: 0x%llx", next);
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if (type == 1)
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{
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self_log.notice("Control flag 1: 0x%08x", control_flags.ctrl_flag1);
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self_log.notice("Unknown1: 0x%08x", control_flags.unknown1);
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self_log.notice("Unknown2: 0x%08x", control_flags.unknown2);
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self_log.notice("Unknown3: 0x%08x", control_flags.unknown3);
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self_log.notice("Unknown4: 0x%08x", control_flags.unknown4);
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self_log.notice("Unknown5: 0x%08x", control_flags.unknown5);
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self_log.notice("Unknown6: 0x%08x", control_flags.unknown6);
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self_log.notice("Unknown7: 0x%08x", control_flags.unknown7);
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}
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else if (type == 2)
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{
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if (size == 0x30)
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{
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std::string digest_str;
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for (int i = 0; i < 20; i++)
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digest_str += fmt::format("%02x", file_digest_30.digest[i]);
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self_log.notice("Digest: %s", digest_str.c_str());
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self_log.notice("Unknown: 0x%llx", file_digest_30.unknown);
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}
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else if (size == 0x40)
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{
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std::string digest_str1;
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std::string digest_str2;
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for (int i = 0; i < 20; i++)
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{
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digest_str1 += fmt::format("%02x", file_digest_40.digest1[i]);
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digest_str2 += fmt::format("%02x", file_digest_40.digest2[i]);
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}
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self_log.notice("Digest1: %s", digest_str1.c_str());
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self_log.notice("Digest2: %s", digest_str2.c_str());
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self_log.notice("Unknown: 0x%llx", file_digest_40.unknown);
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}
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}
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else if (type == 3)
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{
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std::string contentid_str;
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std::string digest_str;
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std::string invdigest_str;
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std::string xordigest_str;
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for (int i = 0; i < 48; i++)
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contentid_str += fmt::format("%02x", npdrm.content_id[i]);
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for (int i = 0; i < 16; i++)
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{
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digest_str += fmt::format("%02x", npdrm.digest[i]);
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invdigest_str += fmt::format("%02x", npdrm.invdigest[i]);
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xordigest_str += fmt::format("%02x", npdrm.xordigest[i]);
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}
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self_log.notice("Magic: 0x%08x", npdrm.magic);
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self_log.notice("Unknown1: 0x%08x", npdrm.unknown1);
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self_log.notice("License: 0x%08x", npdrm.license);
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self_log.notice("Type: 0x%08x", npdrm.type);
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self_log.notice("ContentID: %s", contentid_str.c_str());
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self_log.notice("Digest: %s", digest_str.c_str());
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self_log.notice("Inverse digest: %s", invdigest_str.c_str());
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self_log.notice("XOR digest: %s", xordigest_str.c_str());
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self_log.notice("Unknown2: 0x%llx", npdrm.unknown2);
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self_log.notice("Unknown3: 0x%llx", npdrm.unknown3);
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}
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}
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void MetadataInfo::Load(u8* in)
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{
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memcpy(key, in, 0x10);
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memcpy(key_pad, in + 0x10, 0x10);
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memcpy(iv, in + 0x20, 0x10);
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memcpy(iv_pad, in + 0x30, 0x10);
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}
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void MetadataInfo::Show() const
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{
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std::string key_str;
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std::string key_pad_str;
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std::string iv_str;
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std::string iv_pad_str;
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for (int i = 0; i < 0x10; i++)
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{
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key_str += fmt::format("%02x", key[i]);
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key_pad_str += fmt::format("%02x", key_pad[i]);
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iv_str += fmt::format("%02x", iv[i]);
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iv_pad_str += fmt::format("%02x", iv_pad[i]);
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}
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self_log.notice("Key: %s", key_str.c_str());
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self_log.notice("Key pad: %s", key_pad_str.c_str());
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self_log.notice("IV: %s", iv_str.c_str());
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self_log.notice("IV pad: %s", iv_pad_str.c_str());
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}
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void MetadataHeader::Load(u8* in)
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{
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memcpy(&signature_input_length, in, 8);
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memcpy(&unknown1, in + 8, 4);
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memcpy(§ion_count, in + 12, 4);
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memcpy(&key_count, in + 16, 4);
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memcpy(&opt_header_size, in + 20, 4);
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memcpy(&unknown2, in + 24, 4);
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memcpy(&unknown3, in + 28, 4);
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// Endian swap.
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signature_input_length = swap64(signature_input_length);
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unknown1 = swap32(unknown1);
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section_count = swap32(section_count);
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key_count = swap32(key_count);
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opt_header_size = swap32(opt_header_size);
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unknown2 = swap32(unknown2);
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unknown3 = swap32(unknown3);
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}
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void MetadataHeader::Show() const
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{
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self_log.notice("Signature input length: 0x%llx", signature_input_length);
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self_log.notice("Unknown1: 0x%08x", unknown1);
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self_log.notice("Section count: 0x%08x", section_count);
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self_log.notice("Key count: 0x%08x", key_count);
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self_log.notice("Optional header size: 0x%08x", opt_header_size);
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self_log.notice("Unknown2: 0x%08x", unknown2);
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self_log.notice("Unknown3: 0x%08x", unknown3);
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}
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void MetadataSectionHeader::Load(u8* in)
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{
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memcpy(&data_offset, in, 8);
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memcpy(&data_size, in + 8, 8);
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memcpy(&type, in + 16, 4);
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memcpy(&program_idx, in + 20, 4);
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memcpy(&hashed, in + 24, 4);
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memcpy(&sha1_idx, in + 28, 4);
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memcpy(&encrypted, in + 32, 4);
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memcpy(&key_idx, in + 36, 4);
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memcpy(&iv_idx, in + 40, 4);
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memcpy(&compressed, in + 44, 4);
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// Endian swap.
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data_offset = swap64(data_offset);
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data_size = swap64(data_size);
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type = swap32(type);
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program_idx = swap32(program_idx);
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hashed = swap32(hashed);
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sha1_idx = swap32(sha1_idx);
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encrypted = swap32(encrypted);
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key_idx = swap32(key_idx);
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iv_idx = swap32(iv_idx);
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compressed = swap32(compressed);
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}
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void MetadataSectionHeader::Show() const
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{
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self_log.notice("Data offset: 0x%llx", data_offset);
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self_log.notice("Data size: 0x%llx", data_size);
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self_log.notice("Type: 0x%08x", type);
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self_log.notice("Program index: 0x%08x", program_idx);
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self_log.notice("Hashed: 0x%08x", hashed);
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self_log.notice("SHA1 index: 0x%08x", sha1_idx);
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self_log.notice("Encrypted: 0x%08x", encrypted);
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self_log.notice("Key index: 0x%08x", key_idx);
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self_log.notice("IV index: 0x%08x", iv_idx);
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self_log.notice("Compressed: 0x%08x", compressed);
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}
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void SectionHash::Load(const fs::file& f)
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{
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f.read(sha1, 20);
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f.read(padding, 12);
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f.read(hmac_key, 64);
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}
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void CapabilitiesInfo::Load(const fs::file& f)
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{
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type = Read32(f);
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capabilities_size = Read32(f);
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next = Read32(f);
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unknown1 = Read32(f);
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|
unknown2 = Read64(f);
|
|
unknown3 = Read64(f);
|
|
flags = Read64(f);
|
|
unknown4 = Read32(f);
|
|
unknown5 = Read32(f);
|
|
}
|
|
|
|
void Signature::Load(const fs::file& f)
|
|
{
|
|
f.read(r, 21);
|
|
f.read(s, 21);
|
|
f.read(padding, 6);
|
|
}
|
|
|
|
void SelfSection::Load(const fs::file& f)
|
|
{
|
|
*data = Read32(f);
|
|
size = Read64(f);
|
|
offset = Read64(f);
|
|
}
|
|
|
|
void Elf32_Ehdr::Load(const fs::file& f)
|
|
{
|
|
e_magic = Read32(f);
|
|
e_class = Read8(f);
|
|
e_data = Read8(f);
|
|
e_curver = Read8(f);
|
|
e_os_abi = Read8(f);
|
|
|
|
if (IsLittleEndian())
|
|
{
|
|
e_abi_ver = Read64LE(f);
|
|
e_type = Read16LE(f);
|
|
e_machine = Read16LE(f);
|
|
e_version = Read32LE(f);
|
|
e_entry = Read32LE(f);
|
|
e_phoff = Read32LE(f);
|
|
e_shoff = Read32LE(f);
|
|
e_flags = Read32LE(f);
|
|
e_ehsize = Read16LE(f);
|
|
e_phentsize = Read16LE(f);
|
|
e_phnum = Read16LE(f);
|
|
e_shentsize = Read16LE(f);
|
|
e_shnum = Read16LE(f);
|
|
e_shstrndx = Read16LE(f);
|
|
}
|
|
else
|
|
{
|
|
e_abi_ver = Read64(f);
|
|
e_type = Read16(f);
|
|
e_machine = Read16(f);
|
|
e_version = Read32(f);
|
|
e_entry = Read32(f);
|
|
e_phoff = Read32(f);
|
|
e_shoff = Read32(f);
|
|
e_flags = Read32(f);
|
|
e_ehsize = Read16(f);
|
|
e_phentsize = Read16(f);
|
|
e_phnum = Read16(f);
|
|
e_shentsize = Read16(f);
|
|
e_shnum = Read16(f);
|
|
e_shstrndx = Read16(f);
|
|
}
|
|
}
|
|
|
|
void Elf32_Shdr::Load(const fs::file& f)
|
|
{
|
|
sh_name = Read32(f);
|
|
sh_type = Read32(f);
|
|
sh_flags = Read32(f);
|
|
sh_addr = Read32(f);
|
|
sh_offset = Read32(f);
|
|
sh_size = Read32(f);
|
|
sh_link = Read32(f);
|
|
sh_info = Read32(f);
|
|
sh_addralign = Read32(f);
|
|
sh_entsize = Read32(f);
|
|
}
|
|
|
|
void Elf32_Shdr::LoadLE(const fs::file& f)
|
|
{
|
|
f.read(this, sizeof(*this));
|
|
}
|
|
|
|
void Elf32_Phdr::Load(const fs::file& f)
|
|
{
|
|
p_type = Read32(f);
|
|
p_offset = Read32(f);
|
|
p_vaddr = Read32(f);
|
|
p_paddr = Read32(f);
|
|
p_filesz = Read32(f);
|
|
p_memsz = Read32(f);
|
|
p_flags = Read32(f);
|
|
p_align = Read32(f);
|
|
}
|
|
|
|
void Elf32_Phdr::LoadLE(const fs::file& f)
|
|
{
|
|
f.read(this, sizeof(*this));
|
|
}
|
|
|
|
void Elf64_Ehdr::Load(const fs::file& f)
|
|
{
|
|
e_magic = Read32(f);
|
|
e_class = Read8(f);
|
|
e_data = Read8(f);
|
|
e_curver = Read8(f);
|
|
e_os_abi = Read8(f);
|
|
e_abi_ver = Read64(f);
|
|
e_type = Read16(f);
|
|
e_machine = Read16(f);
|
|
e_version = Read32(f);
|
|
e_entry = Read64(f);
|
|
e_phoff = Read64(f);
|
|
e_shoff = Read64(f);
|
|
e_flags = Read32(f);
|
|
e_ehsize = Read16(f);
|
|
e_phentsize = Read16(f);
|
|
e_phnum = Read16(f);
|
|
e_shentsize = Read16(f);
|
|
e_shnum = Read16(f);
|
|
e_shstrndx = Read16(f);
|
|
}
|
|
|
|
void Elf64_Shdr::Load(const fs::file& f)
|
|
{
|
|
sh_name = Read32(f);
|
|
sh_type = Read32(f);
|
|
sh_flags = Read64(f);
|
|
sh_addr = Read64(f);
|
|
sh_offset = Read64(f);
|
|
sh_size = Read64(f);
|
|
sh_link = Read32(f);
|
|
sh_info = Read32(f);
|
|
sh_addralign = Read64(f);
|
|
sh_entsize = Read64(f);
|
|
}
|
|
|
|
void Elf64_Phdr::Load(const fs::file& f)
|
|
{
|
|
p_type = Read32(f);
|
|
p_flags = Read32(f);
|
|
p_offset = Read64(f);
|
|
p_vaddr = Read64(f);
|
|
p_paddr = Read64(f);
|
|
p_filesz = Read64(f);
|
|
p_memsz = Read64(f);
|
|
p_align = Read64(f);
|
|
}
|
|
|
|
void SceHeader::Load(const fs::file& f)
|
|
{
|
|
se_magic = Read32(f);
|
|
se_hver = Read32(f);
|
|
se_flags = Read16(f);
|
|
se_type = Read16(f);
|
|
se_meta = Read32(f);
|
|
se_hsize = Read64(f);
|
|
se_esize = Read64(f);
|
|
}
|
|
|
|
void SelfHeader::Load(const fs::file& f)
|
|
{
|
|
se_htype = Read64(f);
|
|
se_appinfooff = Read64(f);
|
|
se_elfoff = Read64(f);
|
|
se_phdroff = Read64(f);
|
|
se_shdroff = Read64(f);
|
|
se_secinfoff = Read64(f);
|
|
se_sceveroff = Read64(f);
|
|
se_controloff = Read64(f);
|
|
se_controlsize = Read64(f);
|
|
pad = Read64(f);
|
|
}
|
|
|
|
SCEDecrypter::SCEDecrypter(const fs::file& s)
|
|
: sce_f(s)
|
|
, data_buf_length(0)
|
|
{
|
|
}
|
|
|
|
bool SCEDecrypter::LoadHeaders()
|
|
{
|
|
// Read SCE header.
|
|
sce_f.seek(0);
|
|
sce_hdr.Load(sce_f);
|
|
|
|
// Check SCE magic.
|
|
if (!sce_hdr.CheckMagic())
|
|
{
|
|
self_log.error("SELF: Not a SELF file!");
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SCEDecrypter::LoadMetadata(const u8 erk[32], const u8 riv[16])
|
|
{
|
|
aes_context aes;
|
|
const auto metadata_info = std::make_unique<u8[]>(sizeof(meta_info));
|
|
const auto metadata_headers_size = sce_hdr.se_hsize - (sizeof(sce_hdr) + sce_hdr.se_meta + sizeof(meta_info));
|
|
const auto metadata_headers = std::make_unique<u8[]>(metadata_headers_size);
|
|
|
|
// Locate and read the encrypted metadata info.
|
|
sce_f.seek(sce_hdr.se_meta + sizeof(sce_hdr));
|
|
sce_f.read(metadata_info.get(), sizeof(meta_info));
|
|
|
|
// Locate and read the encrypted metadata header and section header.
|
|
sce_f.seek(sce_hdr.se_meta + sizeof(sce_hdr) + sizeof(meta_info));
|
|
sce_f.read(metadata_headers.get(), metadata_headers_size);
|
|
|
|
// Copy the necessary parameters.
|
|
u8 metadata_key[0x20];
|
|
u8 metadata_iv[0x10];
|
|
memcpy(metadata_key, erk, 0x20);
|
|
memcpy(metadata_iv, riv, 0x10);
|
|
|
|
// Check DEBUG flag.
|
|
if ((sce_hdr.se_flags & 0x8000) != 0x8000)
|
|
{
|
|
// Decrypt the metadata info.
|
|
aes_setkey_dec(&aes, metadata_key, 256); // AES-256
|
|
aes_crypt_cbc(&aes, AES_DECRYPT, sizeof(meta_info), metadata_iv, metadata_info.get(), metadata_info.get());
|
|
}
|
|
|
|
// Load the metadata info.
|
|
meta_info.Load(metadata_info.get());
|
|
|
|
// If the padding is not NULL for the key or iv fields, the metadata info
|
|
// is not properly decrypted.
|
|
if ((meta_info.key_pad[0] != 0x00) ||
|
|
(meta_info.iv_pad[0] != 0x00))
|
|
{
|
|
self_log.error("SELF: Failed to decrypt metadata info!");
|
|
return false;
|
|
}
|
|
|
|
// Perform AES-CTR encryption on the metadata headers.
|
|
usz ctr_nc_off = 0;
|
|
u8 ctr_stream_block[0x10];
|
|
aes_setkey_enc(&aes, meta_info.key, 128);
|
|
aes_crypt_ctr(&aes, metadata_headers_size, &ctr_nc_off, meta_info.iv, ctr_stream_block, metadata_headers.get(), metadata_headers.get());
|
|
|
|
// Load the metadata header.
|
|
meta_hdr.Load(metadata_headers.get());
|
|
|
|
// Load the metadata section headers.
|
|
meta_shdr.clear();
|
|
for (unsigned int i = 0; i < meta_hdr.section_count; i++)
|
|
{
|
|
meta_shdr.emplace_back();
|
|
meta_shdr.back().Load(metadata_headers.get() + sizeof(meta_hdr) + sizeof(MetadataSectionHeader) * i);
|
|
}
|
|
|
|
// Copy the decrypted data keys.
|
|
data_keys_length = meta_hdr.key_count * 0x10;
|
|
data_keys = std::make_unique<u8[]>(data_keys_length);
|
|
memcpy(data_keys.get(), metadata_headers.get() + sizeof(meta_hdr) + meta_hdr.section_count * sizeof(MetadataSectionHeader), data_keys_length);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SCEDecrypter::DecryptData()
|
|
{
|
|
aes_context aes;
|
|
|
|
// Calculate the total data size.
|
|
for (unsigned int i = 0; i < meta_hdr.section_count; i++)
|
|
{
|
|
data_buf_length += ::narrow<u32>(meta_shdr[i].data_size);
|
|
}
|
|
|
|
// Allocate a buffer to store decrypted data.
|
|
data_buf = std::make_unique<u8[]>(data_buf_length);
|
|
|
|
// Set initial offset.
|
|
u32 data_buf_offset = 0;
|
|
|
|
// Parse the metadata section headers to find the offsets of encrypted data.
|
|
for (unsigned int i = 0; i < meta_hdr.section_count; i++)
|
|
{
|
|
usz ctr_nc_off = 0;
|
|
u8 ctr_stream_block[0x10];
|
|
u8 data_key[0x10];
|
|
u8 data_iv[0x10];
|
|
|
|
// Check if this is an encrypted section.
|
|
if (meta_shdr[i].encrypted == 3)
|
|
{
|
|
// Make sure the key and iv are not out of boundaries.
|
|
if ((meta_shdr[i].key_idx <= meta_hdr.key_count - 1) && (meta_shdr[i].iv_idx <= meta_hdr.key_count))
|
|
{
|
|
// Get the key and iv from the previously stored key buffer.
|
|
memcpy(data_key, data_keys.get() + meta_shdr[i].key_idx * 0x10, 0x10);
|
|
memcpy(data_iv, data_keys.get() + meta_shdr[i].iv_idx * 0x10, 0x10);
|
|
|
|
// Allocate a buffer to hold the data.
|
|
auto buf = std::make_unique<u8[]>(meta_shdr[i].data_size);
|
|
|
|
// Seek to the section data offset and read the encrypted data.
|
|
sce_f.seek(meta_shdr[i].data_offset);
|
|
sce_f.read(buf.get(), meta_shdr[i].data_size);
|
|
|
|
// Zero out our ctr nonce.
|
|
memset(ctr_stream_block, 0, sizeof(ctr_stream_block));
|
|
|
|
// Perform AES-CTR encryption on the data blocks.
|
|
aes_setkey_enc(&aes, data_key, 128);
|
|
aes_crypt_ctr(&aes, meta_shdr[i].data_size, &ctr_nc_off, data_iv, ctr_stream_block, buf.get(), buf.get());
|
|
|
|
// Copy the decrypted data.
|
|
memcpy(data_buf.get() + data_buf_offset, buf.get(), meta_shdr[i].data_size);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
auto buf = std::make_unique<u8[]>(meta_shdr[i].data_size);
|
|
sce_f.seek(meta_shdr[i].data_offset);
|
|
sce_f.read(buf.get(), meta_shdr[i].data_size);
|
|
memcpy(data_buf.get() + data_buf_offset, buf.get(), meta_shdr[i].data_size);
|
|
}
|
|
|
|
// Advance the buffer's offset.
|
|
data_buf_offset += ::narrow<u32>(meta_shdr[i].data_size);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
// Each section gets put into its own file.
|
|
std::vector<fs::file> SCEDecrypter::MakeFile()
|
|
{
|
|
std::vector<fs::file> vec;
|
|
|
|
// Set initial offset.
|
|
u32 data_buf_offset = 0;
|
|
|
|
// Write data.
|
|
for (unsigned int i = 0; i < meta_hdr.section_count; i++)
|
|
{
|
|
fs::file out_f = fs::make_stream<std::vector<u8>>();
|
|
|
|
bool isValid = true;
|
|
|
|
// Decompress if necessary.
|
|
if (meta_shdr[i].compressed == 2)
|
|
{
|
|
const usz BUFSIZE = 32 * 1024;
|
|
u8 tempbuf[BUFSIZE];
|
|
z_stream strm;
|
|
strm.zalloc = Z_NULL;
|
|
strm.zfree = Z_NULL;
|
|
strm.opaque = Z_NULL;
|
|
strm.avail_in = ::narrow<uInt>(meta_shdr[i].data_size);
|
|
strm.avail_out = BUFSIZE;
|
|
strm.next_in = data_buf.get()+data_buf_offset;
|
|
strm.next_out = tempbuf;
|
|
#ifndef _MSC_VER
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wold-style-cast"
|
|
#endif
|
|
int ret = inflateInit(&strm);
|
|
#ifndef _MSC_VER
|
|
#pragma GCC diagnostic pop
|
|
#endif
|
|
while (strm.avail_in)
|
|
{
|
|
ret = inflate(&strm, Z_NO_FLUSH);
|
|
if (ret == Z_STREAM_END)
|
|
break;
|
|
if (ret != Z_OK)
|
|
isValid = false;
|
|
|
|
if (!strm.avail_out) {
|
|
out_f.write(tempbuf, BUFSIZE);
|
|
strm.next_out = tempbuf;
|
|
strm.avail_out = BUFSIZE;
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
|
|
int inflate_res = Z_OK;
|
|
inflate_res = inflate(&strm, Z_FINISH);
|
|
|
|
if (inflate_res != Z_STREAM_END)
|
|
isValid = false;
|
|
|
|
out_f.write(tempbuf, BUFSIZE - strm.avail_out);
|
|
inflateEnd(&strm);
|
|
}
|
|
else
|
|
{
|
|
// Write the data.
|
|
out_f.write(data_buf.get()+data_buf_offset, meta_shdr[i].data_size);
|
|
}
|
|
|
|
// Advance the data buffer offset by data size.
|
|
data_buf_offset += ::narrow<u32>(meta_shdr[i].data_size);
|
|
|
|
if (out_f.pos() != out_f.size())
|
|
fmt::throw_exception("MakeELF written bytes (%llu) does not equal buffer size (%llu).", out_f.pos(), out_f.size());
|
|
|
|
if (isValid) vec.push_back(std::move(out_f));
|
|
}
|
|
|
|
return vec;
|
|
}
|
|
|
|
SELFDecrypter::SELFDecrypter(const fs::file& s)
|
|
: self_f(s)
|
|
, key_v()
|
|
{
|
|
}
|
|
|
|
bool SELFDecrypter::LoadHeaders(bool isElf32, SelfAdditionalInfo* out_info)
|
|
{
|
|
// Read SCE header.
|
|
self_f.seek(0);
|
|
sce_hdr.Load(self_f);
|
|
|
|
if (out_info)
|
|
{
|
|
out_info->valid = false;
|
|
}
|
|
|
|
// Check SCE magic.
|
|
if (!sce_hdr.CheckMagic())
|
|
{
|
|
self_log.error("SELF: Not a SELF file!");
|
|
return false;
|
|
}
|
|
|
|
// Read SELF header.
|
|
self_hdr.Load(self_f);
|
|
|
|
// Read the APP INFO.
|
|
self_f.seek(self_hdr.se_appinfooff);
|
|
app_info.Load(self_f);
|
|
|
|
if (out_info)
|
|
{
|
|
out_info->app_info = app_info;
|
|
}
|
|
|
|
// Read ELF header.
|
|
self_f.seek(self_hdr.se_elfoff);
|
|
|
|
if (isElf32)
|
|
elf32_hdr.Load(self_f);
|
|
else
|
|
elf64_hdr.Load(self_f);
|
|
|
|
// Read ELF program headers.
|
|
if (isElf32)
|
|
{
|
|
phdr32_arr.clear();
|
|
if(elf32_hdr.e_phoff == 0 && elf32_hdr.e_phnum)
|
|
{
|
|
self_log.error("SELF: ELF program header offset is null!");
|
|
return false;
|
|
}
|
|
self_f.seek(self_hdr.se_phdroff);
|
|
for(u32 i = 0; i < elf32_hdr.e_phnum; ++i)
|
|
{
|
|
phdr32_arr.emplace_back();
|
|
phdr32_arr.back().Load(self_f);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
phdr64_arr.clear();
|
|
|
|
if (elf64_hdr.e_phoff == 0 && elf64_hdr.e_phnum)
|
|
{
|
|
self_log.error("SELF: ELF program header offset is null!");
|
|
return false;
|
|
}
|
|
|
|
self_f.seek(self_hdr.se_phdroff);
|
|
|
|
for (u32 i = 0; i < elf64_hdr.e_phnum; ++i)
|
|
{
|
|
phdr64_arr.emplace_back();
|
|
phdr64_arr.back().Load(self_f);
|
|
}
|
|
}
|
|
|
|
|
|
// Read section info.
|
|
secinfo_arr.clear();
|
|
self_f.seek(self_hdr.se_secinfoff);
|
|
|
|
for(u32 i = 0; i < ((isElf32) ? elf32_hdr.e_phnum : elf64_hdr.e_phnum); ++i)
|
|
{
|
|
secinfo_arr.emplace_back();
|
|
secinfo_arr.back().Load(self_f);
|
|
}
|
|
|
|
// Read SCE version info.
|
|
self_f.seek(self_hdr.se_sceveroff);
|
|
scev_info.Load(self_f);
|
|
|
|
// Read control info.
|
|
ctrlinfo_arr.clear();
|
|
self_f.seek(self_hdr.se_controloff);
|
|
|
|
for (u64 i = 0; i < self_hdr.se_controlsize;)
|
|
{
|
|
ctrlinfo_arr.emplace_back();
|
|
ControlInfo &cinfo = ctrlinfo_arr.back();
|
|
cinfo.Load(self_f);
|
|
i += cinfo.size;
|
|
}
|
|
|
|
if (out_info)
|
|
{
|
|
out_info->ctrl_info = ctrlinfo_arr;
|
|
}
|
|
|
|
// Read ELF section headers.
|
|
if (isElf32)
|
|
{
|
|
shdr32_arr.clear();
|
|
|
|
if (elf32_hdr.e_shoff == 0 && elf32_hdr.e_shnum)
|
|
{
|
|
self_log.warning("SELF: ELF section header offset is null!");
|
|
return true;
|
|
}
|
|
|
|
self_f.seek(self_hdr.se_shdroff);
|
|
|
|
for(u32 i = 0; i < elf32_hdr.e_shnum; ++i)
|
|
{
|
|
shdr32_arr.emplace_back();
|
|
shdr32_arr.back().Load(self_f);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
shdr64_arr.clear();
|
|
if (elf64_hdr.e_shoff == 0 && elf64_hdr.e_shnum)
|
|
{
|
|
self_log.warning("SELF: ELF section header offset is null!");
|
|
return true;
|
|
}
|
|
|
|
self_f.seek(self_hdr.se_shdroff);
|
|
|
|
for(u32 i = 0; i < elf64_hdr.e_shnum; ++i)
|
|
{
|
|
shdr64_arr.emplace_back();
|
|
shdr64_arr.back().Load(self_f);
|
|
}
|
|
}
|
|
|
|
if (out_info)
|
|
{
|
|
out_info->valid = true;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void SELFDecrypter::ShowHeaders(bool isElf32)
|
|
{
|
|
self_log.notice("SCE header");
|
|
self_log.notice("----------------------------------------------------");
|
|
sce_hdr.Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
self_log.notice("SELF header");
|
|
self_log.notice("----------------------------------------------------");
|
|
self_hdr.Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
self_log.notice("APP INFO");
|
|
self_log.notice("----------------------------------------------------");
|
|
app_info.Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
self_log.notice("ELF header");
|
|
self_log.notice("----------------------------------------------------");
|
|
isElf32 ? elf32_hdr.Show() : elf64_hdr.Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
self_log.notice("ELF program headers");
|
|
self_log.notice("----------------------------------------------------");
|
|
for(unsigned int i = 0; i < ((isElf32) ? phdr32_arr.size() : phdr64_arr.size()); i++)
|
|
isElf32 ? phdr32_arr[i].Show() : phdr64_arr[i].Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
self_log.notice("Section info");
|
|
self_log.notice("----------------------------------------------------");
|
|
for(unsigned int i = 0; i < secinfo_arr.size(); i++)
|
|
secinfo_arr[i].Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
self_log.notice("SCE version info");
|
|
self_log.notice("----------------------------------------------------");
|
|
scev_info.Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
self_log.notice("Control info");
|
|
self_log.notice("----------------------------------------------------");
|
|
for(unsigned int i = 0; i < ctrlinfo_arr.size(); i++)
|
|
ctrlinfo_arr[i].Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
self_log.notice("ELF section headers");
|
|
self_log.notice("----------------------------------------------------");
|
|
for(unsigned int i = 0; i < ((isElf32) ? shdr32_arr.size() : shdr64_arr.size()); i++)
|
|
isElf32 ? shdr32_arr[i].Show() : shdr64_arr[i].Show();
|
|
self_log.notice("----------------------------------------------------");
|
|
}
|
|
|
|
bool SELFDecrypter::DecryptNPDRM(u8 *metadata, u32 metadata_size)
|
|
{
|
|
aes_context aes;
|
|
ControlInfo *ctrl = NULL;
|
|
u8 npdrm_key[0x10];
|
|
u8 npdrm_iv[0x10];
|
|
|
|
// Parse the control info structures to find the NPDRM control info.
|
|
for(unsigned int i = 0; i < ctrlinfo_arr.size(); i++)
|
|
{
|
|
if (ctrlinfo_arr[i].type == 3)
|
|
{
|
|
ctrl = &ctrlinfo_arr[i];
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Check if we have a valid NPDRM control info structure.
|
|
// If not, the data has no NPDRM layer.
|
|
if (!ctrl)
|
|
{
|
|
self_log.trace("SELF: No NPDRM control info found!");
|
|
return true;
|
|
}
|
|
|
|
if (ctrl->npdrm.license == 1) // Network license.
|
|
{
|
|
// Try to find a RAP file to get the key.
|
|
if (!GetKeyFromRap(ctrl->npdrm.content_id, npdrm_key))
|
|
{
|
|
self_log.error("SELF: Can't decrypt network NPDRM!");
|
|
return false;
|
|
}
|
|
}
|
|
else if (ctrl->npdrm.license == 2) // Local license.
|
|
{
|
|
// Try to find a RAP file to get the key.
|
|
if (!GetKeyFromRap(ctrl->npdrm.content_id, npdrm_key))
|
|
{
|
|
self_log.error("SELF: Can't find RAP file for NPDRM decryption!");
|
|
return false;
|
|
}
|
|
}
|
|
else if (ctrl->npdrm.license == 3) // Free license.
|
|
{
|
|
// Use klicensee if available.
|
|
if (key_v.GetKlicenseeKey() != nullptr)
|
|
memcpy(npdrm_key, key_v.GetKlicenseeKey(), 0x10);
|
|
else
|
|
memcpy(npdrm_key, NP_KLIC_FREE, 0x10);
|
|
}
|
|
else
|
|
{
|
|
self_log.error("SELF: Invalid NPDRM license type!");
|
|
return false;
|
|
}
|
|
|
|
// Decrypt our key with NP_KLIC_KEY.
|
|
aes_setkey_dec(&aes, NP_KLIC_KEY, 128);
|
|
aes_crypt_ecb(&aes, AES_DECRYPT, npdrm_key, npdrm_key);
|
|
|
|
// IV is empty.
|
|
memset(npdrm_iv, 0, 0x10);
|
|
|
|
// Use our final key to decrypt the NPDRM layer.
|
|
aes_setkey_dec(&aes, npdrm_key, 128);
|
|
aes_crypt_cbc(&aes, AES_DECRYPT, metadata_size, npdrm_iv, metadata, metadata);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SELFDecrypter::LoadMetadata(u8* klic_key)
|
|
{
|
|
aes_context aes;
|
|
const auto metadata_info = std::make_unique<u8[]>(sizeof(meta_info));
|
|
const auto metadata_headers_size = sce_hdr.se_hsize - (sizeof(sce_hdr) + sce_hdr.se_meta + sizeof(meta_info));
|
|
const auto metadata_headers = std::make_unique<u8[]>(metadata_headers_size);
|
|
|
|
// Locate and read the encrypted metadata info.
|
|
self_f.seek(sce_hdr.se_meta + sizeof(sce_hdr));
|
|
self_f.read(metadata_info.get(), sizeof(meta_info));
|
|
|
|
// Locate and read the encrypted metadata header and section header.
|
|
self_f.seek(sce_hdr.se_meta + sizeof(sce_hdr) + sizeof(meta_info));
|
|
self_f.read(metadata_headers.get(), metadata_headers_size);
|
|
|
|
// Find the right keyset from the key vault.
|
|
SELF_KEY keyset = key_v.FindSelfKey(app_info.self_type, sce_hdr.se_flags, app_info.version);
|
|
|
|
// Set klic if given
|
|
if (klic_key)
|
|
key_v.SetKlicenseeKey(klic_key);
|
|
|
|
// Copy the necessary parameters.
|
|
u8 metadata_key[0x20];
|
|
u8 metadata_iv[0x10];
|
|
memcpy(metadata_key, keyset.erk, 0x20);
|
|
memcpy(metadata_iv, keyset.riv, 0x10);
|
|
|
|
// Check DEBUG flag.
|
|
if ((sce_hdr.se_flags & 0x8000) != 0x8000)
|
|
{
|
|
// Decrypt the NPDRM layer.
|
|
if (!DecryptNPDRM(metadata_info.get(), sizeof(meta_info)))
|
|
return false;
|
|
|
|
// Decrypt the metadata info.
|
|
aes_setkey_dec(&aes, metadata_key, 256); // AES-256
|
|
aes_crypt_cbc(&aes, AES_DECRYPT, sizeof(meta_info), metadata_iv, metadata_info.get(), metadata_info.get());
|
|
}
|
|
|
|
// Load the metadata info.
|
|
meta_info.Load(metadata_info.get());
|
|
|
|
// If the padding is not NULL for the key or iv fields, the metadata info
|
|
// is not properly decrypted.
|
|
if ((meta_info.key_pad[0] != 0x00) ||
|
|
(meta_info.iv_pad[0] != 0x00))
|
|
{
|
|
self_log.error("SELF: Failed to decrypt metadata info!");
|
|
return false;
|
|
}
|
|
|
|
// Perform AES-CTR encryption on the metadata headers.
|
|
usz ctr_nc_off = 0;
|
|
u8 ctr_stream_block[0x10];
|
|
aes_setkey_enc(&aes, meta_info.key, 128);
|
|
aes_crypt_ctr(&aes, metadata_headers_size, &ctr_nc_off, meta_info.iv, ctr_stream_block, metadata_headers.get(), metadata_headers.get());
|
|
|
|
// Load the metadata header.
|
|
meta_hdr.Load(metadata_headers.get());
|
|
|
|
// Load the metadata section headers.
|
|
meta_shdr.clear();
|
|
for (unsigned int i = 0; i < meta_hdr.section_count; i++)
|
|
{
|
|
meta_shdr.emplace_back();
|
|
meta_shdr.back().Load(metadata_headers.get() + sizeof(meta_hdr) + sizeof(MetadataSectionHeader) * i);
|
|
}
|
|
|
|
// Copy the decrypted data keys.
|
|
data_keys_length = meta_hdr.key_count * 0x10;
|
|
data_keys = std::make_unique<u8[]>(data_keys_length);
|
|
memcpy(data_keys.get(), metadata_headers.get() + sizeof(meta_hdr) + meta_hdr.section_count * sizeof(MetadataSectionHeader), data_keys_length);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool SELFDecrypter::DecryptData()
|
|
{
|
|
aes_context aes;
|
|
|
|
// Calculate the total data size.
|
|
for (unsigned int i = 0; i < meta_hdr.section_count; i++)
|
|
{
|
|
if (meta_shdr[i].encrypted == 3)
|
|
{
|
|
if ((meta_shdr[i].key_idx <= meta_hdr.key_count - 1) && (meta_shdr[i].iv_idx <= meta_hdr.key_count))
|
|
data_buf_length += ::narrow<u32>(meta_shdr[i].data_size);
|
|
}
|
|
}
|
|
|
|
// Allocate a buffer to store decrypted data.
|
|
data_buf = std::make_unique<u8[]>(data_buf_length);
|
|
|
|
// Set initial offset.
|
|
u32 data_buf_offset = 0;
|
|
|
|
// Parse the metadata section headers to find the offsets of encrypted data.
|
|
for (unsigned int i = 0; i < meta_hdr.section_count; i++)
|
|
{
|
|
usz ctr_nc_off = 0;
|
|
u8 ctr_stream_block[0x10];
|
|
u8 data_key[0x10];
|
|
u8 data_iv[0x10];
|
|
|
|
// Check if this is an encrypted section.
|
|
if (meta_shdr[i].encrypted == 3)
|
|
{
|
|
// Make sure the key and iv are not out of boundaries.
|
|
if((meta_shdr[i].key_idx <= meta_hdr.key_count - 1) && (meta_shdr[i].iv_idx <= meta_hdr.key_count))
|
|
{
|
|
// Get the key and iv from the previously stored key buffer.
|
|
memcpy(data_key, data_keys.get() + meta_shdr[i].key_idx * 0x10, 0x10);
|
|
memcpy(data_iv, data_keys.get() + meta_shdr[i].iv_idx * 0x10, 0x10);
|
|
|
|
// Allocate a buffer to hold the data.
|
|
auto buf = std::make_unique<u8[]>(meta_shdr[i].data_size);
|
|
|
|
// Seek to the section data offset and read the encrypted data.
|
|
self_f.seek(meta_shdr[i].data_offset);
|
|
self_f.read(buf.get(), meta_shdr[i].data_size);
|
|
|
|
// Zero out our ctr nonce.
|
|
memset(ctr_stream_block, 0, sizeof(ctr_stream_block));
|
|
|
|
// Perform AES-CTR encryption on the data blocks.
|
|
aes_setkey_enc(&aes, data_key, 128);
|
|
aes_crypt_ctr(&aes, meta_shdr[i].data_size, &ctr_nc_off, data_iv, ctr_stream_block, buf.get(), buf.get());
|
|
|
|
// Copy the decrypted data.
|
|
memcpy(data_buf.get() + data_buf_offset, buf.get(), meta_shdr[i].data_size);
|
|
|
|
// Advance the buffer's offset.
|
|
data_buf_offset += ::narrow<u32>(meta_shdr[i].data_size);
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
fs::file SELFDecrypter::MakeElf(bool isElf32)
|
|
{
|
|
// Create a new ELF file.
|
|
fs::file e = fs::make_stream<std::vector<u8>>();
|
|
|
|
if (isElf32)
|
|
{
|
|
WriteElf(e, elf32_hdr, shdr32_arr, phdr32_arr);
|
|
}
|
|
else
|
|
{
|
|
WriteElf(e, elf64_hdr, shdr64_arr, phdr64_arr);
|
|
}
|
|
|
|
return e;
|
|
}
|
|
|
|
bool SELFDecrypter::GetKeyFromRap(u8* content_id, u8* npdrm_key)
|
|
{
|
|
// Set empty RAP key.
|
|
u8 rap_key[0x10];
|
|
memset(rap_key, 0, 0x10);
|
|
|
|
// Try to find a matching RAP file under exdata folder.
|
|
const std::string ci_str = reinterpret_cast<const char*>(content_id);
|
|
const std::string rap_path = Emulator::GetRapFilePath(ci_str);
|
|
|
|
// Open the RAP file and read the key.
|
|
const fs::file rap_file(rap_path);
|
|
|
|
if (!rap_file)
|
|
{
|
|
self_log.fatal("Failed to locate the game license file: %s."
|
|
"\nEnsure the .rap license file is placed in the dev_hdd0/home/%s/exdata folder with a lowercase file extension."
|
|
"\nIf you need assistance on dumping the license file from your PS3, read our quickstart guide: https://rpcs3.net/quickstart", rap_path, Emu.GetUsr());
|
|
return false;
|
|
}
|
|
|
|
self_log.notice("Loading RAP file %s.rap", ci_str);
|
|
|
|
if (rap_file.read(rap_key, 0x10) != 0x10)
|
|
{
|
|
self_log.fatal("Failed to load %s: RAP file exists but is invalid. Try reinstalling it.", rap_path);
|
|
return false;
|
|
}
|
|
|
|
// Convert the RAP key.
|
|
rap_to_rif(rap_key, npdrm_key);
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool IsSelfElf32(const fs::file& f)
|
|
{
|
|
if (!f) return false;
|
|
|
|
f.seek(0);
|
|
|
|
SceHeader hdr;
|
|
SelfHeader sh;
|
|
hdr.Load(f);
|
|
sh.Load(f);
|
|
|
|
// Locate the class byte and check it.
|
|
u8 elf_class[0x8];
|
|
|
|
f.seek(sh.se_elfoff);
|
|
f.read(elf_class, 0x8);
|
|
|
|
return (elf_class[4] == 1);
|
|
}
|
|
|
|
static bool CheckDebugSelf(fs::file& s)
|
|
{
|
|
if (s.size() < 0x18)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Get the key version.
|
|
s.seek(0x08);
|
|
|
|
const u16 key_version = s.read<le_t<u16>>();
|
|
|
|
// Check for DEBUG version.
|
|
if (key_version == 0x80 || key_version == 0xc0)
|
|
{
|
|
self_log.warning("Debug SELF detected! Removing fake header...");
|
|
|
|
// Get the real elf offset.
|
|
s.seek(0x10);
|
|
|
|
// Start at the real elf offset.
|
|
s.seek(key_version == 0x80 ? +s.read<be_t<u64>>() : +s.read<le_t<u64>>());
|
|
|
|
// Write the real ELF file back.
|
|
fs::file e = fs::make_stream<std::vector<u8>>();
|
|
|
|
// Copy the data.
|
|
char buf[2048];
|
|
while (const u64 size = s.read(buf, 2048))
|
|
{
|
|
e.write(buf, size);
|
|
}
|
|
|
|
s = std::move(e);
|
|
return true;
|
|
}
|
|
|
|
// Leave the file untouched.
|
|
return false;
|
|
}
|
|
|
|
fs::file decrypt_self(fs::file elf_or_self, u8* klic_key, SelfAdditionalInfo* out_info)
|
|
{
|
|
if (out_info)
|
|
{
|
|
out_info->valid = false;
|
|
}
|
|
|
|
if (!elf_or_self)
|
|
{
|
|
return fs::file{};
|
|
}
|
|
|
|
elf_or_self.seek(0);
|
|
|
|
// Check SELF header first. Check for a debug SELF.
|
|
if (elf_or_self.size() >= 4 && elf_or_self.read<u32>() == "SCE\0"_u32 && !CheckDebugSelf(elf_or_self))
|
|
{
|
|
// Check the ELF file class (32 or 64 bit).
|
|
const bool isElf32 = IsSelfElf32(elf_or_self);
|
|
|
|
// Start the decrypter on this SELF file.
|
|
SELFDecrypter self_dec(elf_or_self);
|
|
|
|
// Load the SELF file headers.
|
|
if (!self_dec.LoadHeaders(isElf32, out_info))
|
|
{
|
|
self_log.error("SELF: Failed to load SELF file headers!");
|
|
return fs::file{};
|
|
}
|
|
|
|
// Load and decrypt the SELF file metadata.
|
|
if (!self_dec.LoadMetadata(klic_key))
|
|
{
|
|
self_log.error("SELF: Failed to load SELF file metadata!");
|
|
return fs::file{};
|
|
}
|
|
|
|
// Decrypt the SELF file data.
|
|
if (!self_dec.DecryptData())
|
|
{
|
|
self_log.error("SELF: Failed to decrypt SELF file data!");
|
|
return fs::file{};
|
|
}
|
|
|
|
// Make a new ELF file from this SELF.
|
|
return self_dec.MakeElf(isElf32);
|
|
}
|
|
|
|
return elf_or_self;
|
|
}
|
|
|
|
bool verify_npdrm_self_headers(const fs::file& self, u8* klic_key)
|
|
{
|
|
if (!self)
|
|
return false;
|
|
|
|
self.seek(0);
|
|
|
|
if (self.size() >= 4 && self.read<u32>() == "SCE\0"_u32)
|
|
{
|
|
// Check the ELF file class (32 or 64 bit).
|
|
const bool isElf32 = IsSelfElf32(self);
|
|
|
|
// Start the decrypter on this SELF file.
|
|
SELFDecrypter self_dec(self);
|
|
|
|
// Load the SELF file headers.
|
|
if (!self_dec.LoadHeaders(isElf32))
|
|
{
|
|
self_log.error("SELF: Failed to load SELF file headers!");
|
|
return false;
|
|
}
|
|
|
|
// Load and decrypt the SELF file metadata.
|
|
if (!self_dec.LoadMetadata(klic_key))
|
|
{
|
|
self_log.error("SELF: Failed to load SELF file metadata!");
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
u128 get_default_self_klic()
|
|
{
|
|
return std::bit_cast<u128>(NP_KLIC_FREE);
|
|
}
|