Files
Project_CTR/makerom/accessdesc.c
T
3DSGuy 2e48695ef6 reversed (un)intentional vandalism
I should have known better than to trust someone who hadn't REd the
format from scratch.
2014-09-23 13:15:07 +08:00

437 lines
14 KiB
C

#include "lib.h"
#include "ncch_build.h"
#include "exheader_build.h"
#include "accessdesc.h"
#include "desc/presets.h"
#include "desc/dev_sigdata.h"
#include "desc/prod_sigdata.h"
const int RSF_RSA_DATA_LEN = 344;
const int RSF_DESC_DATA_LEN = 684;
int accessdesc_SignWithKey(exheader_settings *exhdrset);
int accessdesc_GetSignFromRsf(exheader_settings *exhdrset);
int accessdesc_GetSignFromPreset(exheader_settings *exhdrset);
void accessdesc_GetPresetData(u8 **desc, u8 **accessDesc, u8 **depList, keys_struct *keys);
void accessdesc_GetPresetSigData(u8 **accessDescSig, u8 **cxiPubk, u8 **cxiPvtk, keys_struct *keys);
int set_AccessDesc(exheader_settings *exhdrset)
{
if(exhdrset->useAccessDescPreset) // Use AccessDesc Template
return accessdesc_GetSignFromPreset(exhdrset);
else if(exhdrset->rsf->CommonHeaderKey.Found) // Keydata exists in RSF
return accessdesc_GetSignFromRsf(exhdrset);
else if(!exhdrset->keys->rsa.requiresPresignedDesc) // Else if The AccessDesc can be signed with key
return accessdesc_SignWithKey(exhdrset);
else{ // No way the access desc signature can be 'obtained'
fprintf(stderr,"[ACEXDESC ERROR] Current keyset cannot sign AccessDesc, please appropriately set-up RSF, or specify a preset with \"-desc\"\n");
return CANNOT_SIGN_ACCESSDESC;
}
}
int accessdesc_SignWithKey(exheader_settings *exhdrset)
{
/* Set RSA Keys */
memcpy(exhdrset->keys->rsa.cxiHdrPvt,exhdrset->keys->rsa.cciCfaPvt,0x100);
memcpy(exhdrset->keys->rsa.cxiHdrPub,exhdrset->keys->rsa.cciCfaPub,0x100);
memcpy(&exhdrset->acexDesc->ncchRsaPubKey,exhdrset->keys->rsa.cxiHdrPub,0x100);
/* Copy Data From ExHeader */
memcpy(&exhdrset->acexDesc->arm11SystemLocalCapabilities,&exhdrset->exHdr->arm11SystemLocalCapabilities,sizeof(exhdr_ARM11SystemLocalCapabilities));
memcpy(&exhdrset->acexDesc->arm11KernelCapabilities,&exhdrset->exHdr->arm11KernelCapabilities,sizeof(exhdr_ARM11KernelCapabilities));
memcpy(&exhdrset->acexDesc->arm9AccessControlInfo,&exhdrset->exHdr->arm9AccessControlInfo,sizeof(exhdr_ARM9AccessControlInfo));
/* Adjust Data */
u8 *flag = &exhdrset->acexDesc->arm11SystemLocalCapabilities.flag;
u8 SystemMode = (*flag>>4)&0xF;
u8 AffinityMask = (*flag>>2)&0x3;
u8 IdealProcessor = 1<<((*flag>>0)&0x3);
*flag = (u8)(SystemMode << 4 | AffinityMask << 2 | IdealProcessor);
exhdrset->acexDesc->arm11SystemLocalCapabilities.priority /= 2;
/* Sign AccessDesc */
return SignAccessDesc(exhdrset->acexDesc,exhdrset->keys);
}
int accessdesc_GetSignFromRsf(exheader_settings *exhdrset)
{
/* Yaml Option Sanity Checks */
if(!exhdrset->rsf->CommonHeaderKey.Found){
fprintf(stderr,"[ACEXDESC ERROR] RSF Section \"CommonHeaderKey\" not found\n");
return COMMON_HEADER_KEY_NOT_FOUND;
}
if(!exhdrset->rsf->CommonHeaderKey.D){
ErrorParamNotFound("CommonHeaderKey/D");
return COMMON_HEADER_KEY_NOT_FOUND;
}
if(b64_strlen(exhdrset->rsf->CommonHeaderKey.D) != RSF_RSA_DATA_LEN){
fprintf(stderr,"[ACEXDESC ERROR] \"CommonHeaderKey/D\" has invalid length (%d)\n",b64_strlen(exhdrset->rsf->CommonHeaderKey.D));
return COMMON_HEADER_KEY_NOT_FOUND;
}
if(!exhdrset->rsf->CommonHeaderKey.Modulus){
ErrorParamNotFound("CommonHeaderKey/Modulus");
return COMMON_HEADER_KEY_NOT_FOUND;
}
if(b64_strlen(exhdrset->rsf->CommonHeaderKey.Modulus) != RSF_RSA_DATA_LEN){
fprintf(stderr,"[ACEXDESC ERROR] \"CommonHeaderKey/Modulus\" has invalid length (%d)\n",b64_strlen(exhdrset->rsf->CommonHeaderKey.Modulus));
return COMMON_HEADER_KEY_NOT_FOUND;
}
if(!exhdrset->rsf->CommonHeaderKey.AccCtlDescSign){
ErrorParamNotFound("CommonHeaderKey/Signature");
return COMMON_HEADER_KEY_NOT_FOUND;
}
if(b64_strlen(exhdrset->rsf->CommonHeaderKey.AccCtlDescSign) != RSF_RSA_DATA_LEN){
fprintf(stderr,"[ACEXDESC ERROR] \"CommonHeaderKey/Signature\" has invalid length (%d)\n",b64_strlen(exhdrset->rsf->CommonHeaderKey.AccCtlDescSign));
return COMMON_HEADER_KEY_NOT_FOUND;
}
if(!exhdrset->rsf->CommonHeaderKey.AccCtlDescBin){
ErrorParamNotFound("CommonHeaderKey/Descriptor");
return COMMON_HEADER_KEY_NOT_FOUND;
}
if(b64_strlen(exhdrset->rsf->CommonHeaderKey.AccCtlDescBin) != RSF_DESC_DATA_LEN){
fprintf(stderr,"[ACEXDESC ERROR] \"CommonHeaderKey/Descriptor\" has invalid length (%d)\n",b64_strlen(exhdrset->rsf->CommonHeaderKey.AccCtlDescBin));
return COMMON_HEADER_KEY_NOT_FOUND;
}
/* Set RSA Keys */
int result = 0;
// NCCH Header pubk
result = b64_decode(exhdrset->keys->rsa.cxiHdrPub,exhdrset->rsf->CommonHeaderKey.Modulus,0x100);
if(result) return result;
// NCCH Header privk
result = b64_decode(exhdrset->keys->rsa.cxiHdrPvt,exhdrset->rsf->CommonHeaderKey.D,0x100);
if(result) return result;
/* Set AccessDesc */
// Signature
result = b64_decode(exhdrset->acexDesc->signature,exhdrset->rsf->CommonHeaderKey.AccCtlDescSign,0x100);
if(result) return result;
// NCCH Header pubk
memcpy(exhdrset->acexDesc->ncchRsaPubKey,exhdrset->keys->rsa.cxiHdrPub,0x100);
// Access Control
result = b64_decode((u8*)&exhdrset->acexDesc->arm11SystemLocalCapabilities,exhdrset->rsf->CommonHeaderKey.AccCtlDescBin,0x200);
if(result) return result;
return 0;
}
int accessdesc_GetSignFromPreset(exheader_settings *exhdrset)
{
u8 *desc = NULL;
u8 *accessDesc = NULL;
u8 *depList = NULL;
u8 *accessDescSig = NULL;
u8 *cxiPubk = NULL;
u8 *cxiPvtk = NULL;
accessdesc_GetPresetData(&desc,&accessDesc,&depList,exhdrset->keys);
accessdesc_GetPresetSigData(&accessDescSig,&cxiPubk,&cxiPvtk,exhdrset->keys);
// Error Checking
if(!desc || !depList){
fprintf(stderr,"[ACEXDESC ERROR] AccessDesc template is unavailable, please configure RSF file\n");
return CANNOT_SIGN_ACCESSDESC;
}
if((!cxiPubk || !cxiPvtk || !accessDesc || !accessDescSig) && exhdrset->keys->rsa.requiresPresignedDesc){
fprintf(stderr,"[ACEXDESC ERROR] This AccessDesc template needs to be signed, the current keyset is incapable of doing so. Please configure RSF file with the appropriate signature data.\n");
return CANNOT_SIGN_ACCESSDESC;
}
// Setting data in Exheader
// Dependency List
memcpy(exhdrset->exHdr->dependencyList,depList,0x180);
// Backing Up Non Preset Data
u8 ProgramID[8];
exhdr_StorageInfo StorageInfoBackup;
exhdr_ARM9AccessControlInfo Arm9Desc;
memcpy(ProgramID,exhdrset->exHdr->arm11SystemLocalCapabilities.programId,8);
memcpy(&StorageInfoBackup,&exhdrset->exHdr->arm11SystemLocalCapabilities.storageInfo,sizeof(exhdr_StorageInfo));
memcpy(&Arm9Desc,&exhdrset->exHdr->arm9AccessControlInfo,sizeof(exhdr_ARM9AccessControlInfo));
// Setting Preset Data
memcpy(&exhdrset->exHdr->arm11SystemLocalCapabilities,desc,0x200);
// Restoring Non Preset Data
memcpy(exhdrset->exHdr->arm11SystemLocalCapabilities.programId,ProgramID,8);
memcpy(&exhdrset->exHdr->arm11SystemLocalCapabilities.storageInfo,&StorageInfoBackup,sizeof(exhdr_StorageInfo));
memcpy(&exhdrset->exHdr->arm9AccessControlInfo,&Arm9Desc,sizeof(exhdr_ARM9AccessControlInfo));
// Setting AccessDesc Area
// Signing normally if possible
if(!exhdrset->keys->rsa.requiresPresignedDesc)
return accessdesc_SignWithKey(exhdrset);
// Otherwise set static data & ncch hdr sig info
memcpy(exhdrset->keys->rsa.cxiHdrPub,cxiPubk,0x100);
memcpy(exhdrset->keys->rsa.cxiHdrPvt,cxiPvtk,0x100);
memcpy(&exhdrset->acexDesc->signature,accessDescSig,0x100);
memcpy(&exhdrset->acexDesc->ncchRsaPubKey,cxiPubk,0x100);
memcpy(&exhdrset->acexDesc->arm11SystemLocalCapabilities,accessDesc,0x200);
return 0;
}
void accessdesc_GetPresetData(u8 **desc, u8 **accessDesc, u8 **depList, keys_struct *keys)
{
if(keys->accessDescSign.presetType == desc_preset_APP){
switch(keys->accessDescSign.targetFirmware){
case 0x1B:
case 0x1C:
*desc = (u8*)app_fw1B_desc_data;
*accessDesc = (u8*)app_fw1B_acex_data;
*depList = (u8*)fw1B_dep_list;
break;
case 0x1D:
*desc = (u8*)app_fw1D_desc_data;
*accessDesc = (u8*)app_fw1D_acex_data;
*depList = (u8*)fw1D_dep_list;
break;
case 0x1E:
*desc = (u8*)app_fw1E_desc_data;
*accessDesc = (u8*)app_fw1E_acex_data;
*depList = (u8*)fw1D_dep_list;
break;
case 0x20:
*desc = (u8*)app_fw20_desc_data;
*accessDesc = (u8*)app_fw20_acex_data;
*depList = (u8*)fw20_dep_list;
break;
case 0x21:
*desc = (u8*)app_fw21_desc_data;
*accessDesc = (u8*)app_fw21_acex_data;
*depList = (u8*)fw21_dep_list;
break;
case 0x23:
*desc = (u8*)app_fw23_desc_data;
*accessDesc = (u8*)app_fw23_acex_data;
*depList = (u8*)fw23_dep_list;
break;
case 0x27:
*desc = (u8*)app_fw27_desc_data;
*accessDesc = (u8*)app_fw27_acex_data;
*depList = (u8*)fw27_dep_list;
break;
}
}
else if(keys->accessDescSign.presetType == desc_preset_EC_APP){
switch(keys->accessDescSign.targetFirmware){
case 0x20:
*desc = (u8*)ecapp_fw20_desc_data;
*accessDesc = (u8*)ecapp_fw20_acex_data;
*depList = (u8*)fw20_dep_list;
break;
case 0x23:
*desc = (u8*)ecapp_fw23_desc_data;
*accessDesc = (u8*)ecapp_fw23_acex_data;
*depList = (u8*)fw23_dep_list;
break;
}
}
else if(keys->accessDescSign.presetType == desc_preset_DLP){
switch(keys->accessDescSign.targetFirmware){
case 0x1B:
case 0x1C:
*desc = (u8*)dlp_fw1B_desc_data;
*accessDesc = (u8*)dlp_fw1B_acex_data;
*depList = (u8*)fw1B_dep_list;
break;
case 0x1D:
*desc = (u8*)dlp_fw1D_desc_data;
*accessDesc = (u8*)dlp_fw1D_acex_data;
*depList = (u8*)fw1D_dep_list;
break;
case 0x21:
*desc = (u8*)dlp_fw21_desc_data;
*accessDesc = (u8*)dlp_fw21_acex_data;
*depList = (u8*)fw21_dep_list;
break;
}
}
else if(keys->accessDescSign.presetType == desc_preset_DEMO){
switch(keys->accessDescSign.targetFirmware){
case 0x1E:
*desc = (u8*)demo_fw1E_desc_data;
*accessDesc = (u8*)demo_fw1E_acex_data;
*depList = (u8*)fw1D_dep_list;
break;
case 0x21:
*desc = (u8*)demo_fw21_desc_data;
*accessDesc = (u8*)demo_fw21_acex_data;
*depList = (u8*)fw21_dep_list;
break;
}
}
else if(keys->accessDescSign.presetType == desc_preset_FIRM){
switch(keys->accessDescSign.targetFirmware){
default:
*desc = (u8*)firm_fw26_desc_data;
*accessDesc = (u8*)firm_fw26_acex_data;
*depList = (u8*)firm_fwXX_dep_list;
break;
}
}
}
void accessdesc_GetPresetSigData(u8 **accessDescSig, u8 **cxiPubk, u8 **cxiPvtk, keys_struct *keys)
{
if(keys->accessDescSign.presetType == desc_preset_APP){
switch(keys->accessDescSign.targetFirmware){
case 0x1B:
case 0x1C:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)app_fw1B_dev_acexsig;
*cxiPubk = (u8*)app_fw1B_dev_hdrpub;
*cxiPvtk = (u8*)app_fw1B_dev_hdrpvt;
}
break;
case 0x1D:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)app_fw1D_dev_acexsig;
*cxiPubk = (u8*)app_fw1D_dev_hdrpub;
*cxiPvtk = (u8*)app_fw1D_dev_hdrpvt;
}
if(keys->keyset == pki_PRODUCTION){
*accessDescSig = (u8*)app_fw1D_prod_acexsig;
*cxiPubk = (u8*)app_fw1D_prod_hdrpub;
*cxiPvtk = NULL;
}
break;
case 0x1E:
if(keys->keyset == pki_PRODUCTION){
*accessDescSig = (u8*)app_fw1E_prod_acexsig;
*cxiPubk = (u8*)app_fw1E_prod_hdrpub;
*cxiPvtk = NULL;
}
break;
case 0x20:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)app_fw20_dev_acexsig;
*cxiPubk = (u8*)app_fw20_dev_hdrpub;
*cxiPvtk = NULL;
}
if(keys->keyset == pki_PRODUCTION){
*accessDescSig = (u8*)app_fw20_prod_acexsig;
*cxiPubk = (u8*)app_fw20_prod_hdrpub;
*cxiPvtk = NULL;
}
break;
case 0x21:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)app_fw21_dev_acexsig;
*cxiPubk = (u8*)app_fw21_dev_hdrpub;
*cxiPvtk = (u8*)app_fw21_dev_hdrpvt;
}
else if(keys->keyset == pki_PRODUCTION){
*accessDescSig = (u8*)app_fw21_prod_acexsig;
*cxiPubk = (u8*)app_fw21_prod_hdrpub;
*cxiPvtk = NULL;
}
break;
case 0x23:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)app_fw23_dev_acexsig;
*cxiPubk = (u8*)app_fw23_dev_hdrpub;
*cxiPvtk = NULL;
}
else if(keys->keyset == pki_PRODUCTION){
*accessDescSig = (u8*)app_fw23_prod_acexsig;
*cxiPubk = (u8*)app_fw23_prod_hdrpub;
*cxiPvtk = NULL;
}
break;
case 0x27:
if(keys->keyset == pki_PRODUCTION){
*accessDescSig = (u8*)app_fw27_prod_acexsig;
*cxiPubk = (u8*)app_fw27_prod_hdrpub;
*cxiPvtk = NULL;
}
break;
}
}
else if(keys->accessDescSign.presetType == desc_preset_EC_APP){
switch(keys->accessDescSign.targetFirmware){
case 0x20:
if(keys->keyset == pki_PRODUCTION){
*accessDescSig = (u8*)ecapp_fw20_prod_acexsig;
*cxiPubk = (u8*)ecapp_fw20_prod_hdrpub;
*cxiPvtk = NULL;
}
break;
case 0x23:
if(keys->keyset == pki_PRODUCTION){
*accessDescSig = (u8*)ecapp_fw23_prod_acexsig;
*cxiPubk = (u8*)ecapp_fw23_prod_hdrpub;
*cxiPvtk = NULL;
}
break;
}
}
else if(keys->accessDescSign.presetType == desc_preset_DLP){
switch(keys->accessDescSign.targetFirmware){
case 0x1B:
case 0x1C:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)dlp_fw1B_dev_acexsig;
*cxiPubk = (u8*)dlp_fw1B_dev_hdrpub;
*cxiPvtk = (u8*)dlp_fw1B_dev_hdrpvt;
}
break;
case 0x1D:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)dlp_fw1D_dev_acexsig;
*cxiPubk = (u8*)dlp_fw1D_dev_hdrpub;
*cxiPvtk = (u8*)dlp_fw1D_dev_hdrpvt;
}
break;
case 0x21:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)dlp_fw21_dev_acexsig;
*cxiPubk = (u8*)dlp_fw21_dev_hdrpub;
*cxiPvtk = (u8*)dlp_fw21_dev_hdrpvt;
}
break;
}
}
else if(keys->accessDescSign.presetType == desc_preset_DEMO){
switch(keys->accessDescSign.targetFirmware){
case 0x1E:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)demo_fw1E_dev_acexsig;
*cxiPubk = (u8*)demo_fw1E_dev_hdrpub;
*cxiPvtk = NULL;
}
break;
case 0x21:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)demo_fw21_dev_acexsig;
*cxiPubk = (u8*)demo_fw21_dev_hdrpub;
*cxiPvtk = (u8*)demo_fw21_dev_hdrpvt;
}
break;
}
}
else if(keys->accessDescSign.presetType == desc_preset_FIRM){
switch(keys->accessDescSign.targetFirmware){
case 0x26:
if(keys->keyset == pki_DEVELOPMENT){
*accessDescSig = (u8*)firm_fw26_dev_acexsig;
*cxiPubk = (u8*)firm_fw26_dev_hdrpub;
*cxiPvtk = NULL;
}
break;
}
}
}