mirror of
https://github.com/d0k3/GodMode9.git
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4e04849860
Except for cia building or loading cia just yet. Added more checks on ticket content index, mainly due to having effects in the ticket format itself, and are unknown still. Ability to determine ticket size. Verify signature with ticket's proper size. Changes to use the new Ticket struct with the flexible array member.
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
#pragma once
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#include "common.h"
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#include "ticket.h"
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#include "tmd.h"
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#define CIA_HEADER_SIZE sizeof(CiaHeader)
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#define CIA_CERT_SIZE 0xA00
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#define CIA_META_SIZE sizeof(CiaMeta)
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// see: https://www.3dbrew.org/wiki/CIA#Meta
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typedef struct {
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u8 dependencies[0x180]; // from ExtHeader
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u8 reserved0[0x180];
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u32 core_version; // 2 normally
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u8 reserved1[0xFC];
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u8 smdh[0x36C0]; // from ExeFS
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} PACKED_STRUCT CiaMeta;
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typedef struct {
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u32 size_header;
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u16 type;
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u16 version;
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u32 size_cert;
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u32 size_ticket;
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u32 size_tmd;
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u32 size_meta;
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u64 size_content;
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u8 content_index[0x2000];
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} PACKED_STRUCT CiaHeader;
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typedef struct {
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CiaHeader header;
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u8 header_padding[0x40 - (CIA_HEADER_SIZE % 0x40)];
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u8 cert[CIA_CERT_SIZE];
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// cert is aligned and needs no padding
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TicketCommon ticket;
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u8 ticket_padding[0x40 - (TICKET_COMMON_SIZE % 0x40)];
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TitleMetaData tmd;
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TmdContentChunk content_list[TMD_MAX_CONTENTS];
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} PACKED_ALIGN(16) CiaStub;
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typedef struct { // first 0x20 bytes are identical with CIA header
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u32 size_header;
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u16 type;
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u16 version;
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u32 size_cert;
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u32 size_ticket;
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u32 size_tmd;
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u32 size_meta;
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u64 size_content;
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u32 size_content_list;
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u64 size_cia;
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u32 offset_cert;
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u32 offset_ticket;
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u32 offset_tmd;
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u32 offset_content;
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u32 offset_meta;
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u32 offset_content_list;
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u32 max_contents;
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} PACKED_STRUCT CiaInfo;
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u32 ValidateCiaHeader(CiaHeader* header);
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u32 GetCiaInfo(CiaInfo* info, CiaHeader* header);
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u32 FixCiaHeaderForTmd(CiaHeader* header, TitleMetaData* tmd);
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u32 BuildCiaCert(u8* ciacert);
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u32 BuildCiaMeta(CiaMeta* meta, void* exthdr, void* smdh);
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u32 BuildCiaHeader(CiaHeader* header, u32 ticket_size);
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u32 DecryptCiaContentSequential(void* data, u32 size, u8* ctr, const u8* titlekey);
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u32 EncryptCiaContentSequential(void* data, u32 size, u8* ctr, const u8* titlekey);
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