def maketitleid(self, l): l = list(reversed(l)) #stupid non-subscriptable iterators... id = rawutil.hex(l[0:4]) gamecode = list(reversed(list(l[4]))) id += rawutil.hex(gamecode) cntp = CONTENT_TYPES[l[3]] return id, cntp
def extract_sci(self):
root = self.tree['SCI']
data = self.unpack(EXTHEADER_SCI_STRUCT, self.sci)
root['App-Title'] = data[0].decode('ascii')
reserved = data[1]
flags = data[2]
root['Compress-ExeFS-code'] = bool(flags & 1)
root['SD-Application'] = bool(flags & 2)
root['Remaster-version'] = data[3]
text_codesetinfo = data[4]
root['Stack-size'] = data[5]
ro_codesetinfo = data[6]
reserved = data[7]
data_codesetinfo = data[8]
root['BSS-size'] = data[9]
dependencies = data[10]
system_info = data[11]
root['Text-code-set-info'] = OrderedDict()
sub = root['Text-code-set-info']
sub['Adress'] = txtree.hexformat(text_codesetinfo[0], 8)
sub['Physical-region-size'] = text_codesetinfo[1]
sub['Size'] = text_codesetinfo[2]
root['Read-Only-code-set-info'] = OrderedDict()
sub = root['Read-Only-code-set-info']
sub['Adress'] = txtree.hexformat(ro_codesetinfo[0], 8)
sub['Physical-region-size'] = ro_codesetinfo[1]
sub['Size'] = ro_codesetinfo[2]
root['Data-code-set-info'] = OrderedDict()
sub = root['Data-code-set-info']
sub['Adress'] = txtree.hexformat(data_codesetinfo[0], 8)
sub['Physical-region-size'] = data_codesetinfo[1]
sub['Size'] = data_codesetinfo[2]
root['Dependencies'] = [
rawutil.hex(el, 16) for el in dependencies if el != 0
]
root['System-Info'] = OrderedDict()
sys = root['System-Info']
sys['Savedata-size'] = system_info[0]
sys['Jump-ID'] = rawutil.hex(system_info[1], 16)
reserved = system_info[2]
def readheader(self,):
data = self.unpack_from(NCCH_HEADER_STRUCT, self.data, 0)
self.rsa_signature = data[0]
magic = data[1]
if magic != b'NCCH':
error.InvalidMagicError('Invalid magic %s, expected NCCH' % byterepr(magic))
self.content_size = data[2] #In media units
self.partition_id = rawutil.hex(data[3], 16)
self.maker_code = data[4]
self.version = data[5]
self.id_hash = data[6]
self.tid_high = rawutil.hex(data[7] >> 32, 8)
self.tid_low = rawutil.hex(data[7] & 0xffffffff, 8)
#reserved = data[8]
self.logo_hash = data[9]
self.product_code = data[10].decode('ascii')
self.extheader_hash = data[11]
self.extheader_size = data[12] #in bytes
#reserved = data[13]
ncchflags = data[14]
self.crypto_keyslot = CRYPTO_KEYSLOTS[ncchflags[3]]
self.platform = PLATFORMS[ncchflags[4]]
self.content_types = self.extract_contenttypes(ncchflags[5])
self.unitsize = 0x200 << ncchflags[6]
flags = ncchflags[7]
self.fixed_cryptokey = bool(flags & 0x01)
self.has_romfs = not bool(flags & 0x02)
self.has_crypto = not bool(flags & 0x04)
self.use_new_keyYgen = bool(flags & 0x20)
#Everything is in media units
self.plain_offset = data[15]
self.plain_size = data[16]
self.logo_offset = data[17]
self.logo_size = data[18]
self.exefs_offset = data[19]
self.exefs_size = data[20]
self.exefs_hashregion_size = data[21]
#reserved = data[22]
self.romfs_offset = data[23]
self.romfs_size = data[24]
self.romfs_hashregion_size = data[25]
#reserved = data[26]
self.exefs_hash = data[27]
self.romfs_hash = data[28]
def extract_data(self):
tree = OrderedDict()
tree['NCCH'] = OrderedDict()
root = tree['NCCH']
root['PartitionID'] = self.partition_id, 16
root['TitleID'] = {'High': self.tid_high, 'Low ': self.tid_low}
root['Product-code'] = self.product_code
root['Version'] = self.version
root['Makercode'] = self.maker_code
root['Platform'] = self.platform
root['Content-types'] = self.content_types
root['Has-RomFS'] = self.has_romfs
root['Has-Crypto'] = self.has_crypto
root['Fixed-Crypto-key'] = self.fixed_cryptokey
root['Crypto-Keyslot'] = self.crypto_keyslot
root['Uses-new-KeyY-generator'] = self.use_new_keyYgen
root['RSA-signature'] = self.rsa_signature
root['Hashes'] = OrderedDict()
hashes = root['Hashes']
hashes['ExeFS'] = rawutil.hex(self.exefs_hash)
hashes['RomFS'] = rawutil.hex(self.romfs_hash)
hashes['Logo'] = rawutil.hex(self.logo_hash)
hashes['ExtHeader'] = rawutil.hex(self.extheader_hash)
hashes['ID'] = rawutil.hex(self.id_hash, 8)
root['Structure'] = OrderedDict()
struct = root['Structure']
struct['Media-size-unit'] = self.unitsize
struct['Comment'] = 'All these sizes and offsets are in bytes'
struct['ExtHeader-size'] = self.extheader_size
struct['Plain-offset'] = self.plain_offset
struct['Plain-size'] = self.plain_size
struct['Logo-offset'] = self.logo_offset
struct['Logo-size'] = self.logo_size
struct['ExeFS-offset'] = self.exefs_offset
struct['ExeFS-size'] = self.exefs_size
struct['ExeFS-HashRegion-size'] = self.exefs_hashregion_size
struct['RomFS-offset'] = self.romfs_offset
struct['RomFS-size'] = self.romfs_size
struct['RomFS-HashRegion-size'] = self.romfs_hashregion_size
final = txtree.dump(tree)
write(final, self.outdir + 'header.txt')
def extract_aci(self, raw, root):
root['ARM11-Local-system-capabilities'] = OrderedDict()
arm11_sys = root['ARM11-Local-system-capabilities']
root['ARM11-Kernel-capabilities'] = OrderedDict()
arm11_kernel = root['ARM11-Kernel-capabilities']
root['ARM9-Access-control'] = OrderedDict()
arm9_access = root['ARM9-Access-control']
data = self.unpack(EXTHEADER_ACI_STRUCT, raw)
arm11_sys['ProgramID'] = rawutil.hex(data[0][0], 16)
arm11_sys['Core-version'] = rawutil.hex(data[0][1], 8)
flag1, flag2, flag0, priority = data[0][2:6]
arm11_sys['Enable-L2-cache'] = bool(flag1 & 1)
arm11_sys['CPU-speed-804MHz'] = bool(flag1 & 2)
arm11_sys['New3DS-system-mode'] = NEW3DS_SYSTEM_MODES[flag2 & 0b111]
arm11_sys['Ideal-processor'] = flag0 & 0b11
arm11_sys['Affinity-mask'] = (flag0 & 0b1100) >> 2
arm11_sys['Old3DS-system-mode'] = OLD3DS_SYSTEM_MODES[
(flag0 & 0b11110000) >> 4]
arm11_sys['Priority'] = priority
arm11_sys['Resources-limits-descriptors'] = data[0][6]
arm11_sys['Storage-info'] = OrderedDict()
stor = arm11_sys['Storage-info']
sub = data[0][7]
stor['ExtData-ID'] = rawutil.hex(sub[0], 16)
stor['System-Savedata-ID'] = rawutil.hex(sub[1], 16)
stor['Accessible-unique-ID'] = rawutil.hex(sub[2], 16)
fs_access = sub[3]
stor['FileSystem-access-info'] = self.extract_fsaccess(fs_access)
otherattrs = (fs_access & 0xff00000000000000) >> 56
stor['Use-RomFS'] = not bool(otherattrs & 1)
stor['Use-Extended-Savedata-access'] = bool(otherattrs & 2)
arm11_sys['Services-access'] = [
el[0].rstrip(b'\x00').decode('ascii') for el in data[0][8]
if el[0] != bytes(8)
]
reserved = data[0][9]
arm11_sys['Resource-limit-category'] = RESOURCE_LIMIT_CATEGORIES[
data[0][10]]
map_adressrange = []
descs = data[1][0]
reserved = data[1][1]
for desc in descs:
type = (desc & 0xfff00000) >> 20
if not type & 0b000100000000:
arm11_kernel['Interrupt-info'] = desc & 0x0fffffff
elif not type & 0b000010000000:
arm11_kernel['System-call-mask-table-index'] = (
desc & 0x03000000) >> 24
arm11_kernel['System-call-mask'] = desc & 0x00ffffff
elif not type & 0b000000100000:
arm11_kernel['Kernel-Major-Version'] = (desc & 0xff00) >> 8
arm11_kernel['Kernel-Minor-Version'] = desc & 0xff
elif not type & 0b000000010000:
arm11_kernel['Handle-Table-size'] = desc & 0x3ffff
elif not type & 0b000000001000:
arm11_kernel['Kernel-Flags'] = self.extract_kernelflags(desc)
elif not type & 0b000000000110:
map_adressrange.append(desc & 0x7ffff)
elif not type & 0b000000000001:
arm11_kernel['Mapped-Memory-page'] = desc & 0x7ffff
arm11_kernel['Mapped-Memory-Read-Only'] = bool(desc & 0x100000)
if map_adressrange != []:
arm11_kernel['Mapped-Adress-range'] = map_adressrange
desc = data[2][0]
arm9_access['Accesses'] = self.extract_arm9accesses(desc)
arm9_access['ARM9-Descriptor-version'] = data[2][2]
def readpai1(self, ptr):
data = self.unpack_from(pai1_SECTION, self.file, ptr)
magic = data[0]
if magic != b'pai1':
error.InvalidMagicError('Invalid pai1 magic %s' % byterepr(magic))
seclen = data[1]
framesize = data[2]
flags = data[3]
#padding = data[4]
timgcount = data[5]
entrycount = data[6]
entryoffset = data[7]
timgoffsets = data[8]
self.root['pai1'] = OrderedDict()
node = self.root['pai1']
node['frame-size'] = framesize
node['flags'] = flags
timgs = []
for (offset, ) in timgoffsets:
timgs.append(
self.unpack_from('n', self.file,
ptr + offset + 20)[0].decode('ascii'))
node['timgs'] = timgs
offsets = []
for i in range(entrycount):
offsets.append(
self.unpack_from('I', self.file, ptr + entryoffset + i * 4)[0])
node['entries'] = []
for offset in offsets:
entry = OrderedDict()
data = self.unpack_from(pai1_ENTRY, self.file, offset + ptr)
entry['name'] = data[0]
tagcount = data[1]
ismaterial = data[2]
#padding = data[3]
tagoffsets = data[4]
entry['tags'] = []
for (tagoffset, ) in tagoffsets:
tagpos = ptr + offset + tagoffset
tag = OrderedDict()
data = self.unpack_from(pai1_TAG, self.file, tagpos)
type = data[0].decode('ascii')
entrycount = data[1]
#padding = data[2]
suboffsets = data[3]
tag['type'] = type
tag['entries'] = []
for (suboffset, ) in suboffsets:
pos = tagpos + suboffset
tagentry = OrderedDict()
data = self.unpack_from(pai1_TAGENTRY, self.file, pos)
type1 = data[0]
type2 = data[1]
datatype = data[2]
coordcount = data[3]
totag = data[4]
tagentry['type1'] = type1
tagentry['type2'] = self.gettype(type2, type)
tagentry['data-type'] = datatype
tagentry['coord-count'] = coordcount
tagentry['offset-to-tag'] = rawutil.hex(totag, 8)
if datatype == 0x100:
tagentry['frame'], tagentry[
'data2'] = self.unpack_from('2f', self.file)
elif datatype == 0x200:
tagentry['frame'], tagentry['value'], tagentry[
'blend'] = self.unpack_from('3f', self.file)
tag['entries'].append(tagentry)
entry['tags'].append(tag)
node['entries'].append(entry)
