DarkStore-3DS/Project_CTR
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makerom v0.3

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3DSGuy
2014-03-10 10:30:00 +08:00
parent 3c9fffd56a
commit 510988b07a
26 changed files with 1983 additions and 833 deletions
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ncch.c
+51 -27
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@@ -5,7 +5,8 @@
#include "exefs.h"
#include "romfs.h"
#include "titleid.h"
#include "logo_data.h"
#include "logo_data.h" // Contains Logos
// Private Prototypes
int SignCFA(u8 *Signature, u8 *CFA_HDR, keys_struct *keys);
@@ -57,16 +58,23 @@ int CheckCXISignature(u8 *Signature, u8 *CXI_HDR, u8 *PubK)
int build_NCCH(user_settings *usrset)
{
int result;
#ifdef DEBUG
printf("[DEBUG] Init Settings\n");
#endif
// Init Settings
ncch_settings *ncchset = malloc(sizeof(ncch_settings));
if(!ncchset) {fprintf(stderr,"[NCCH ERROR] MEM ERROR\n"); return MEM_ERROR;}
init_NCCHSettings(ncchset);
#ifdef DEBUG
printf("[DEBUG] Get Settings\n");
#endif
// Get Settings
result = get_NCCHSettings(ncchset,usrset);
if(result) goto finish;
#ifdef DEBUG
printf("[DEBUG] Build ExeFS Code/PlainRegion\n");
#endif
// Build ExeFs Code Section
result = BuildExeFsCode(ncchset);
if(result) goto finish;
@@ -82,25 +90,46 @@ int build_NCCH(user_settings *usrset)
memdump(stdout,"Code Hash: ",hash,0x20);
#endif
#ifdef DEBUG
printf("[DEBUG] Build Exheader\n");
#endif
// Build ExHeader
result = BuildExHeader(ncchset);
if(result) goto finish;
#ifdef DEBUG
printf("[DEBUG] Exefs\n");
#endif
// Build ExeFs/RomFs
result = BuildExeFs(ncchset);
if(result) goto finish;
#ifdef DEBUG
printf("[DEBUG] Build Romfs\n");
#endif
result = BuildRomFs(ncchset);
if(result) goto finish;
// Final Steps
#ifdef DEBUG
printf("[DEBUG] Build common header\n");
#endif
result = BuildCommonHeader(ncchset);
if(result) goto finish;
#ifdef DEBUG
printf("[DEBUG] Encrypt Sections\n");
#endif
result = EncryptNCCHSections(ncchset);
if(result) goto finish;
#ifdef DEBUG
printf("[DEBUG] Write Sections\n");
#endif
result = WriteNCCHSectionsToBuffer(ncchset);
if(result) goto finish;
finish:
#ifdef DEBUG
printf("[DEBUG] Finish Building\n");
#endif
if(result) fprintf(stderr,"[NCCH ERROR] NCCH Build Process Failed\n");
free_NCCHSettings(ncchset);
return result;
@@ -194,8 +223,6 @@ int SetBasicOptions(ncch_settings *ncchset, user_settings *usrset)
return NCCH_BAD_YAML_SET;
}
ncchset->Options.accessdesc = usrset->accessdesc;
ncchset->CxiRsaKey.PrivK = malloc(0x100);
ncchset->CxiRsaKey.PubK = malloc(0x100);
@@ -204,6 +231,15 @@ int SetBasicOptions(ncch_settings *ncchset, user_settings *usrset)
int CreateInputFilePtrs(ncch_settings *ncchset, user_settings *usrset)
{
if(usrset->romfs_path){
ncchset->ComponentFilePtrs.romfs_size = GetFileSize_u64(usrset->romfs_path);
ncchset->ComponentFilePtrs.romfs = fopen(usrset->romfs_path,"rb");
if(!ncchset->ComponentFilePtrs.romfs){
fprintf(stderr,"[NCCH ERROR] Failed to open RomFs file '%s'\n",usrset->romfs_path);
return FAILED_TO_IMPORT_FILE;
}
}
if(ncchset->Options.IsCfa) return 0;
if(usrset->elf_path){
ncchset->ComponentFilePtrs.elf_size = GetFileSize_u64(usrset->elf_path);
ncchset->ComponentFilePtrs.elf = fopen(usrset->elf_path,"rb");
@@ -253,14 +289,6 @@ int CreateInputFilePtrs(ncch_settings *ncchset, user_settings *usrset)
return FAILED_TO_IMPORT_FILE;
}
}
if(usrset->romfs_path){
ncchset->ComponentFilePtrs.romfs_size = GetFileSize_u64(usrset->romfs_path);
ncchset->ComponentFilePtrs.romfs = fopen(usrset->romfs_path,"rb");
if(!ncchset->ComponentFilePtrs.romfs){
fprintf(stderr,"[NCCH ERROR] Failed to open RomFs file '%s'\n",usrset->romfs_path);
return FAILED_TO_IMPORT_FILE;
}
}
if(usrset->plain_region_path){
ncchset->ComponentFilePtrs.plainregion_size = GetFileSize_u64(usrset->plain_region_path);
ncchset->ComponentFilePtrs.plainregion = fopen(usrset->plain_region_path,"rb");
@@ -274,6 +302,7 @@ int CreateInputFilePtrs(ncch_settings *ncchset, user_settings *usrset)
int ImportNonCodeExeFsSections(ncch_settings *ncchset)
{
if(ncchset->Options.IsCfa) return 0;
if(ncchset->ComponentFilePtrs.banner){
ncchset->ExeFs_Sections.Banner.size = ncchset->ComponentFilePtrs.banner_size;
ncchset->ExeFs_Sections.Banner.buffer = malloc(ncchset->ExeFs_Sections.Banner.size);
@@ -291,6 +320,7 @@ int ImportNonCodeExeFsSections(ncch_settings *ncchset)
int ImportLogo(ncch_settings *ncchset)
{
if(ncchset->Options.IsCfa) return 0;
if(ncchset->ComponentFilePtrs.logo){
ncchset->Sections.Logo.size = ncchset->ComponentFilePtrs.logo_size;
ncchset->Sections.Logo.buffer = malloc(ncchset->Sections.Logo.size);
@@ -599,14 +629,10 @@ int VerifyNCCH(u8 *ncch, keys_struct *keys, bool SuppressOutput)
GetCXIStruct(ncch_ctx,hdr);
if(IsCfa(hdr)){
if(CheckCFASignature(hdr_sig,(u8*)hdr,keys) != Good){
#ifdef RETAIL_FSIGN
if(!SuppressOutput) fprintf(stderr,"[NCCH WARNING] CFA Sigcheck Failed\n");
#else
if(CheckCFASignature(hdr_sig,(u8*)hdr,keys) != Good && !keys->rsa.FalseSign){
if(!SuppressOutput) fprintf(stderr,"[NCCH ERROR] CFA Sigcheck Failed\n");
free(ncch_ctx);
return NCCH_HDR_SIG_BAD;
#endif
}
if(!ncch_ctx->romfs_size){
if(!SuppressOutput) fprintf(stderr,"[NCCH ERROR] CFA is corrupt\n");
@@ -692,17 +718,13 @@ int VerifyNCCH(u8 *ncch, keys_struct *keys, bool SuppressOutput)
// Checking RSA Sigs
u8 *hdr_pubk = GetNcchHdrPubKey_frm_exhdr(ExHeader);
if(CheckAccessDescSignature(ExHeader,keys) != 0){
#ifdef RETAIL_FSIGN
if(!SuppressOutput) fprintf(stderr,"[NCCH WARNING] AccessDesc Sigcheck Failed\n");
#else
if(CheckAccessDescSignature(ExHeader,keys) != 0 && !keys->rsa.FalseSign){
if(!SuppressOutput) fprintf(stderr,"[NCCH ERROR] AccessDesc Sigcheck Failed\n");
free(ncch_ctx);
free(ExHeader);
return ACCESSDESC_SIG_BAD;
#endif
}
if(CheckCXISignature(hdr_sig,(u8*)hdr,hdr_pubk) != 0){
if(CheckCXISignature(hdr_sig,(u8*)hdr,hdr_pubk) != 0 /* && !keys->rsa.FalseSign*/){
if(!SuppressOutput) fprintf(stderr,"[NCCH ERROR] CXI Header Sigcheck Failed\n");
free(ncch_ctx);
free(ExHeader);
@@ -780,8 +802,8 @@ u8* RetargetNCCH(FILE *fp, u64 size, u8 *TitleId, u8 *ProgramId, keys_struct *ke
NCCH_Header *hdr = NULL;
hdr = GetNCCH_CommonHDR(NULL,NULL,ncch);
if(!IsCfa(hdr)){
fprintf(stderr,"[NCCH ERROR] CXI's ID cannot be modified\n"); // Not yet yet, requires AccessDesc Privk, may implement anyway later
if(/*keys->rsa.RequiresPresignedDesc && */!IsCfa(hdr)){
fprintf(stderr,"[NCCH ERROR] CXI's ID cannot be modified without the ability to resign the AccessDesc\n"); // Not yet yet, requires AccessDesc Privk, may implement anyway later
free(ncch);
return NULL;
}
@@ -1060,4 +1082,6 @@ void ncch_get_counter(NCCH_STRUCT *ctx, u8 counter[16], u8 type)
for(i=0; i<4; i++)
counter[12+i] = x>>((3-i)*8);
}
//memdump(stdout,"CTR: ",counter,16);
}