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Ammend the borked previous commit

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d0k3 2021-08-31 13:35:36 +02:00
parent 33d59f6d3a
commit 0e46d4fca8
4 changed files with 5 additions and 171 deletions
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116
BuildFakeTicket.patch
View File

@ -1,116 +0,0 @@
diff --git a/arm9/source/game/ticket.c b/arm9/source/game/ticket.c
index 14e5a7e..856f80a 100644
--- a/arm9/source/game/ticket.c
+++ b/arm9/source/game/ticket.c
@@ -41,27 +41,80 @@ u32 ValidateTicketSignature(Ticket* ticket) {
return ret;
}
-u32 BuildFakeTicket(Ticket* ticket, u8* title_id) {
+u32 BuildFakeTicket(Ticket** ticket, u32* ticket_size, const u8* title_id, u32 index_max) {
+ if (!ticket || !ticket_size)
+ return 1;
+
static const u8 sig_type[4] = { TICKET_SIG_TYPE }; // RSA_2048 SHA256
- static const u8 ticket_cnt_index[] = { // whatever this is
- 0x00, 0x01, 0x00, 0x14, 0x00, 0x00, 0x00, 0xAC, 0x00, 0x00, 0x00, 0x14, 0x00, 0x01, 0x00, 0x14,
- 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x28, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x84,
- 0x00, 0x00, 0x00, 0x84, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
- };
+
+ // calculate sizes and determine pointers to use
+ u32 rights_field_count = (min(index_max, 0x10000) + 1023) >> 10; // round up to 1024 and cap at 65536, and div by 1024
+ u32 content_index_size = sizeof(TicketContentIndexMainHeader) + sizeof(TicketContentIndexDataHeader) + sizeof(TicketRightsField) * rights_field_count;
+ u32 _ticket_size = sizeof(Ticket) + content_index_size;
+ Ticket *_ticket;
+
+ if (*ticket) { // if a pointer was pregiven
+ if (*ticket_size < _ticket_size) { // then check given boundary size
+ *ticket_size = _ticket_size; // if not enough, inform the actual needed size
+ return 2; // indicate a size error
+ }
+ _ticket = *ticket; // get the pointer if we good to go
+ } else // if not pregiven, allocate one
+ _ticket = (Ticket*)malloc(_ticket_size);
+
+ if (!_ticket)
+ return 1;
+
// set ticket all zero for a clean start
- memset(ticket, 0x00, TICKET_COMMON_SIZE); // 0xAC being size of this fake ticket's content index
+ memset(_ticket, 0x00, _ticket_size);
// fill ticket values
- memcpy(ticket->sig_type, sig_type, 4);
- memset(ticket->signature, 0xFF, 0x100);
- snprintf((char*) ticket->issuer, 0x40, IS_DEVKIT ? TICKET_ISSUER_DEV : TICKET_ISSUER);
- memset(ticket->ecdsa, 0xFF, 0x3C);
- ticket->version = 0x01;
- memset(ticket->titlekey, 0xFF, 16);
- memcpy(ticket->title_id, title_id, 8);
- ticket->commonkey_idx = 0x00; // eshop
- ticket->audit = 0x01; // whatever
- memcpy(ticket->content_index, ticket_cnt_index, sizeof(ticket_cnt_index));
- memset(&ticket->content_index[sizeof(ticket_cnt_index)], 0xFF, 0x80); // 1024 content indexes
+ memcpy(_ticket->sig_type, sig_type, 4);
+ memset(_ticket->signature, 0xFF, 0x100);
+ snprintf((char*) _ticket->issuer, 0x40, IS_DEVKIT ? TICKET_ISSUER_DEV : TICKET_ISSUER);
+ memset(_ticket->ecdsa, 0xFF, 0x3C);
+ _ticket->version = 0x01;
+ memset(_ticket->titlekey, 0xFF, 16);
+ memcpy(_ticket->title_id, title_id, 8);
+ _ticket->commonkey_idx = 0x00; // eshop
+ _ticket->audit = 0x01; // whatever
+
+ // fill in rights
+ TicketContentIndexMainHeader* mheader = (TicketContentIndexMainHeader*)&_ticket->content_index[0];
+ TicketContentIndexDataHeader* dheader = (TicketContentIndexDataHeader*)&_ticket->content_index[0x14];
+ TicketRightsField* rights = (TicketRightsField*)&_ticket->content_index[0x28];
+
+ // first main data header
+ mheader->unk1[1] = 0x1; mheader->unk2[1] = 0x14;
+ mheader->content_index_size[3] = (u8)(content_index_size >> 0);
+ mheader->content_index_size[2] = (u8)(content_index_size >> 8);
+ mheader->content_index_size[1] = (u8)(content_index_size >> 16);
+ mheader->content_index_size[0] = (u8)(content_index_size >> 24);
+ mheader->data_header_relative_offset[3] = 0x14; // relative offset for TicketContentIndexDataHeader
+ mheader->unk3[1] = 0x1; mheader->unk4[1] = 0x14;
+
+ // then the data header
+ dheader->data_relative_offset[3] = 0x28; // relative offset for TicketRightsField
+ dheader->max_entry_count[3] = (u8)(rights_field_count >> 0);
+ dheader->max_entry_count[2] = (u8)(rights_field_count >> 8);
+ dheader->max_entry_count[1] = (u8)(rights_field_count >> 16);
+ dheader->max_entry_count[0] = (u8)(rights_field_count >> 24);
+ dheader->size_per_entry[3] = (u8)sizeof(TicketRightsField); // sizeof should be 0x84
+ dheader->total_size_used[3] = (u8)((sizeof(TicketRightsField) * rights_field_count) >> 0);
+ dheader->total_size_used[2] = (u8)((sizeof(TicketRightsField) * rights_field_count) >> 8);
+ dheader->total_size_used[1] = (u8)((sizeof(TicketRightsField) * rights_field_count) >> 16);
+ dheader->total_size_used[0] = (u8)((sizeof(TicketRightsField) * rights_field_count) >> 24);
+ dheader->data_type[1] = 3; // right fields
+
+ // now the right fields
+ // indexoffets must be in accending order to have the desired effect
+ for (u32 i = 0; i < rights_field_count; ++i) {
+ rights[i].indexoffset[1] = (u8)((1024 * i) >> 0);
+ rights[i].indexoffset[0] = (u8)((1024 * i) >> 8);
+ memset(&rights[i].rightsbitfield[0], 0xFF, sizeof(rights[0].rightsbitfield));
+ }
+
+ *ticket = _ticket;
+ *ticket_size = _ticket_size;
return 0;
}
diff --git a/arm9/source/game/ticket.h b/arm9/source/game/ticket.h
index 956023d..28214ab 100644
--- a/arm9/source/game/ticket.h
+++ b/arm9/source/game/ticket.h
@@ -97,7 +97,7 @@ typedef struct {
u32 ValidateTicket(Ticket* ticket);
u32 ValidateTwlTicket(Ticket* ticket);
u32 ValidateTicketSignature(Ticket* ticket);
-u32 BuildFakeTicket(Ticket* ticket, u8* title_id);
+u32 BuildFakeTicket(Ticket** ticket, u32* ticket_size, const u8* title_id, u32 index_max);
u32 GetTicketContentIndexSize(const Ticket* ticket);
u32 GetTicketSize(const Ticket* ticket);
u32 BuildTicketCert(u8* tickcert);

4
Makefile
View File

@ -24,7 +24,11 @@ ifeq ($(NTRBOOT),1)
endif endif
ifeq ($(OS),Windows_NT) ifeq ($(OS),Windows_NT)
ifeq ($(TERM),cygwin)
PY3 := py -3 # Windows / CMD/PowerShell PY3 := py -3 # Windows / CMD/PowerShell
else
PY3 := python3 # Windows / MSYS2
endif
else else
PY3 := python3 # Unix-like PY3 := python3 # Unix-like
endif endif

15
arm9/source/game/tadx.c
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@ -1,15 +0,0 @@
#include "tadx.h"
#include "cia.h"
u32 ValidateTadXHeader(TadXHeader* header) {
// super strict validation
if ((getbe32(header->size_header) != TADX_HEADER_SIZE) ||
(getbe32(header->size_cert) != TADX_CERT_SIZE) ||
(getbe32(header->size_ticket) != TICKET_TWL_SIZE) ||
(getbe32(header->size_tmd) != TMD_SIZE_TWL) ||
(getbe32(header->reserved0) != 0) ||
(getbe32(header->reserved1) != 0) ||
(getbe32(header->size_content) == 0))
return 1;
return 0;
}

39
arm9/source/game/tadx.h
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@ -1,39 +0,0 @@
#pragma once
#include "common.h"
#include "ticket.h"
#include "tmd.h"
#define TADX_HEADER_SIZE sizeof(TadXHeader)
#define TADX_CERT_SIZE 0xE80
#define TADX_OFFSET_CERT align(TADX_HEADER_SIZE, 40)
#define TADX_OFFSET_TICKET (TADX_OFFSET_CERT + align(TADX_CERT_SIZE, 40))
#define TADX_OFFSET_TMD (TADX_OFFSET_TICKET + align(TICKET_TWL_SIZE, 40))
#define TADX_OFFSET_CONTENT (TADX_OFFSET_TMD + align(TMD_SIZE_TWL, 40))
#define TADX_OFFSET_CHUNK (TADX_OFFSET_TMD + TMD_SIZE_STUB)
// this describes the TWL TAD exchangable format (similar to CIA)
// see: https://wiibrew.org/wiki/WAD_files#WAD_format
typedef struct {
u8 size_header[4];
u8 type[2];
u8 version[2];
u8 size_cert[4];
u8 reserved0[4];
u8 size_ticket[4];
u8 size_tmd[4];
u8 size_content[4];
u8 reserved1[4];
} PACKED_STRUCT TadXHeader;
typedef struct {
TadXHeader header;
u8 header_padding[0x40 - (TADX_HEADER_SIZE % 0x40)];
u8 cert[TADX_CERT_SIZE];
// cert is aligned and needs no padding
Ticket ticket;
u8 ticket_padding[0x40 - (TICKET_TWL_SIZE % 0x40)];
u8 tmd[TMD_SIZE_TWL];
u8 tmd_padding[0x40 - (TMD_SIZE_TWL % 40)];
} PACKED_ALIGN(16) TadXStub;