def load_file(li, _a, _b):
# set processor to 6502
if (ph.id != PLFM_6502):
msg("Nintendo Entertainment System ROM detected: setting processor type to M6502.\n"
)
set_processor_type("M6502", SETPROC_LOADER_NON_FATAL)
try:
return load_ines_file(li)
except:
import traceback
traceback.print_exc()
return 0
def load_file(li, neflags, format):
flags = ida_idp.SETPROC_LOADER_NON_FATAL | ida_idp.SETPROC_LOADER
ida_idp.set_processor_type("arm", flags)
header = parse_header(li)
offset = header.header_size
while True:
li.seek(offset)
if li.read(1) != b'\x00':
break
offset += 1
length = header.content_size - (offset - header.header_size)
seg = ida_segment.segment_t()
seg.start_ea = header.base_address
seg.end_ea = seg.start_ea + length
seg.bitness = 1
ida_segment.add_segm_ex(seg, "ROM", "CODE", 0)
li.file2base(offset, seg.start_ea, seg.end_ea - 1, 0)
ida_segregs.split_sreg_range(seg.start_ea, ida_idp.str2reg("T"), 1,
ida_segregs.SR_user)
return 1
def load_file(li, neflags, format):
"""
Load the file into database
@param li: a file-like object which can be used to access the input data
@param neflags: options selected by the user, see loader.hpp
@return: 0-failure, 1-ok
"""
global event, element
if ida_idp.get_idp_name() == None:
ida_idp.set_processor_type("metapc", ida_idp.SETPROC_LOADER)
status = 0
st = idc.set_ida_state(idc.IDA_STATUS_WORK)
xml = idaxml.XmlImporter(idaxml.LOADER, 0)
try:
status = xml.import_xml()
except idaxml.Cancelled:
msg = "XML PROGRAM import cancelled!"
print "\n" + msg
idc.warning(msg)
except idaxml.MultipleAddressSpacesNotSupported:
msg = "XML Import cancelled!"
msg += "\n\nXML Import does not currently support"
msg += "\nimporting multiple address spaces."
print "\n" + msg
idc.warning(msg)
except:
print "\nHouston, we have a problem!"
msg = "***** Exception occurred: XML loader failed! *****"
print "\n" + msg + "\n", sys.exc_type, sys.exc_value
print event, element.tag, element.attrib
idc.warning(msg)
finally:
idc.set_ida_state(st)
xml.cleanup()
return status
def load_file(li, neflags, format):
flags = ida_idp.SETPROC_LOADER_NON_FATAL | ida_idp.SETPROC_LOADER
ida_idp.set_processor_type("arm", flags)
li.seek(0)
d = li.read(li.size())
mclf_addr = find_pattern(d, b"MCLF", 0x1000)
if not mclf_addr:
ida_kernwin.warning("MCLF header not found")
return 0
rtm_addr = find_pattern(d, b"S0CB", 0x1000)
if not rtm_addr:
ida_kernwin.warning("S0CB header not found")
return 0
mclib_addr = struct.unpack("<I", d[rtm_addr + 0x8C:rtm_addr + 0x8C + 4])[0]
table_addr = find_table(d)
if not table_addr:
ida_kernwin.warning("Table header not found")
return 0
offset = find_version(d)
if not offset:
ida_kernwin.warning("Unknown version string")
return 0
elem = d[table_addr + 0x20 * offset:table_addr + 0x20 * (offset + 1)]
file_offset = mclf_addr - struct.unpack("<I", elem[8:12])[0]
table = parse_table(li, table_addr)
no_save = not ask_save_binaries(li)
map_segments(li, table, file_offset, mclib_addr, no_save)
return 1
def load_file(f: ida_idaapi.loader_input_t, neflags: Any, format: Any) -> int:
"""
load the given file into the current IDA Pro database.
Args:
f (file): the file-like object to load.
neflags (Any): unused
format (Any): unused
Returns:
int: 1 on success, 0 on failure
"""
# compute file size, then read the entire contents
f.seek(0x0, os.SEEK_END)
flen = f.tell()
f.seek(0x0)
buf = f.read(flen)
# mark the proc type, so IDA can invoke the correct disassembler/processor.
# this must match `processor.wasm_processor_t.psnames`
ida_idp.set_processor_type('wasm', ida_idp.SETPROC_LOADER_NON_FATAL)
f.seek(0x0)
# load the entire file directly at address zero.
f.file2base(0, 0, len(buf), True)
p = 0
sections = wasm.decode_module(buf)
for i, section in enumerate(sections):
if i == 0:
sname = 'header'
else:
if section.data.id == wasm.wasmtypes.SEC_UNK:
if section.data.name:
sname = section.data.name.tobytes().decode('utf-8')
else:
sname = ''
else:
sname = idawasm.const.WASM_SECTION_NAMES.get(
section.data.id, 'unknown')
if sname != 'header' and section.data.id in (
wasm.wasmtypes.SEC_CODE, wasm.wasmtypes.SEC_GLOBAL):
stype = 'CODE'
else:
stype = 'DATA'
# add IDA segment with type, name, size as appropriate
slen = sum(section.data.get_decoder_meta()['lengths'].values())
ida_segment.add_segm(0, p, p + slen, sname, stype)
if sname != 'header':
loader = SECTION_LOADERS.get(section.data.id)
if loader is not None:
loader(section, p)
load_section(section, p)
p += slen
# magic
ida_bytes.create_data(0x0, ida_bytes.FF_DWORD, 4, ida_idaapi.BADADDR)
ida_name.set_name(0x0, 'WASM_MAGIC', ida_name.SN_CHECK)
# version
ida_bytes.create_data(0x4, ida_bytes.FF_DWORD, 4, ida_idaapi.BADADDR)
ida_name.set_name(0x4, 'WASM_VERSION', ida_name.SN_CHECK)
return 1
def load_file(f, neflags, format):
f.seek(0)
ida_idp.set_processor_type("metapc", ida_idp.SETPROC_LOADER)
MGROUPStart = 0
magic = f.read(2)
if magic == MZ_HEADER_MAGIC:
f.seek(0x22)
MGROUPStart = DW(f) * 16
f.seek(MGROUPStart)
magic = f.read(2)
headerSize = DW(f)
segmentDataAlignment = DW(f)
nextExeOff = DD(f)
SegDataOff = DD(f)
f.file2base(MGROUPStart, 0, SegDataOff, True)
ida_segment.add_segm(0, 0, 0x50, "HEADER", "MODULE")
f.seek(MGROUPStart + 2)
headerSize = rnDW(f, "headerSize", MGROUPStart)
segmentDataAlignment = rnDW(f, "segmentDataAlignment", MGROUPStart)
nextExeOff = rnDD(f, "nextExeOff", MGROUPStart)
SegDataOff = rnDD(f, "SegDataOff", MGROUPStart)
ResDataOff = rnDD(f, "ResDataOff", MGROUPStart)
flags = rnDW(f, "flags", MGROUPStart)
version = rnDB(f, "version", MGROUPStart)
revision = rnDB(f, "revision", MGROUPStart)
AutoDataSegNo = rnDW(f, "AutoDataSegNo", MGROUPStart)
HeapSize = rnDW(f, "HeapSize", MGROUPStart)
StackSize = rnDW(f, "StackSize", MGROUPStart)
StartProc = rnDD(f, "StartProc", MGROUPStart)
LoadProc = rnDD(f, "LoadProc", MGROUPStart)
FreeProc = rnDD(f, "FreeProc", MGROUPStart)
nSegments = rnDW(f, "nSegments", MGROUPStart)
pSegTable = rnDW(f, "pSegTable", MGROUPStart)
cbResTab = rnDW(f, "cbResTab", MGROUPStart)
pResTab = rnDW(f, "pResTab", MGROUPStart)
cbEntTab = rnDW(f, "cbEntTab", MGROUPStart)
pEntTab = rnDW(f, "pEntTab", MGROUPStart)
cbNamTab = rnDW(f, "cbNamTab", MGROUPStart)
pNamTab = rnDW(f, "pNamTab", MGROUPStart)
cbStrTab = rnDW(f, "cbStrTab", MGROUPStart)
pStrTab = rnDW(f, "pStrTab", MGROUPStart)
cbNRNamTab = rnDW(f, "cbNRNamTab", MGROUPStart)
pNRNamTab = rnDW(f, "pNRNamTab", MGROUPStart)
ida_segment.add_segm(0, pSegTable,
pSegTable + (nSegments * SEG_STRUCT_SIZE), "SEGTABLE",
"MODULE")
ida_segment.add_segm(0, pResTab, pResTab + cbResTab, "RESOURCES", "MODULE")
ida_segment.add_segm(0, pEntTab, pEntTab + cbEntTab, "ENTTABLE", "MODULE")
ida_segment.add_segm(0, pNamTab, pNamTab + cbNamTab, "ENTNAME", "MODULE")
ida_segment.add_segm(0, pStrTab, pStrTab + cbStrTab, "IMPORTS", "MODULE")
ida_segment.add_segm(0, pNRNamTab, pNRNamTab + cbNRNamTab, "NRENTNAME",
"MODULE")
#parse segtable
segentsid = defSEGENT()
base = SegDataOff // 16
importCount = 0
for i in range(nSegments):
segEntStart = pSegTable + i * SEG_STRUCT_SIZE
ida_bytes.create_struct(segEntStart, SEG_STRUCT_SIZE, segentsid)
segStart = ida_bytes.get_word(segEntStart + 2)
segLen = ida_bytes.get_word(segEntStart + 4)
segImports = ida_bytes.get_word(segEntStart + 6)
importCount += segImports
f.file2base(MGROUPStart + SegDataOff + segStart * 16,
SegDataOff + segStart * 16,
SegDataOff + (segStart + segLen) * 16, True)
segBase = (base + segStart) * 16
#segmentDef = ida_segment.segment_t()
#segmentDef.start_ea = segBase
#segmentDef.end_ea = (base+segStart+segLen)*16
#ida_segment.set_selector()
print(base + segStart)
ida_segment.add_segm(base + segStart, segBase,
(base + segStart + segLen) * 16, "", "", 0)
sel = ida_segment.find_selector(base + segStart)
seg = ida_segment.getseg(segBase)
ida_segment.set_segm_addressing(seg, 0)
segtable[i] = seg
segimportstable[i] = segImports
if i + 1 == AutoDataSegNo:
ida_segment.set_segm_name(seg, "DATA", 0)
ida_segment.set_segm_class(seg, "DATA", 0)
dataSel = sel
else:
ida_segment.set_segm_name(seg, "TEXT", 0)
ida_segment.set_segm_class(seg, "CODE", 0)
if AutoDataSegNo == 0:
dataSel = sel
ida_segregs.set_default_dataseg(dataSel)
#parse enttable
pENT = pEntTab
currord = 1
while pENT < pEntTab + cbEntTab:
bundleCount = ida_bytes.get_byte(pENT)
bundleFlags = ida_bytes.get_byte(pENT + 1)
if bundleCount == 0 and bundleFlags == 0:
break
pENT += 2
for i in range(bundleCount):
if bundleFlags == 0xFF:
ordFlags = ida_bytes.get_byte(pENT)
if ordFlags & 0x80:
toexport.append(currord)
segNo = ida_bytes.get_byte(pENT + 3)
segOff = ida_bytes.get_word(pENT + 4)
enttable[currord] = (segtable[segNo - 1].start_ea // 16,
segOff)
pENT += 6
else:
ordFlags = ida_bytes.get_byte(pENT)
if ordFlags & 0x80:
toexport.append(currord)
segOff = ida_bytes.get_word(pENT + 1)
enttable[currord] = (segtable[bundleFlags - 1].start_ea // 16,
segOff)
pENT += 3
currord += 1
modulename = readPASSTR(pNamTab)
make_entry(StartProc, modulename + "_start")
make_entry(LoadProc, modulename + "_load")
make_entry(FreeProc, modulename + "_free")
#export named ordinals
namedordtable = loadExportsF(f)
for i in toexport:
if i in namedordtable:
name = namedordtable[i]
else:
name = "Ordinal" + str(i)
(base, off) = enttable[i]
addr = base * 16 + off
ida_entry.add_entry(i, addr, name, 1)
#process imports
ida_segment.add_segm(0xF000, 0xF0000, 0xF0000 + importCount * 2, "IMPORTS",
"XTRN", 0)
import_ea = 0xF0000
for seg in segtable:
segend = segtable[seg].end_ea
f.seek(MGROUPStart + segend)
for i in range(segimportstable[seg]):
count = DB(f)
mode = DB(f)
relocStart = DW(f)
module = DW(f)
proc = DW(f)
if (module == 0xFFFF):
(base, off) = enttable[proc]
else:
modulestr = readPASSTR(pStrTab + module)
if (proc & 0x8000) != 0: # read by ord
ordinal = proc & 0x7FFF
procname = modulestr + "_Ordinal" + str(ordinal)
if not modulestr in importedmodules:
if os.path.isfile(modulestr + ".EXE"):
importedmodules[modulestr] = loadExports(
modulestr + ".EXE")
else:
filename = ida_kernwin.ask_file(
0, modulestr + ".EXE",
"Select file to name exports")
if filename is not None and os.path.isfile(
filename):
importedmodules[modulestr] = loadExports(
filename)
else:
importedmodules[modulestr] = None
if modulestr in importedmodules and (
importedmodules[modulestr] is not None
) and ordinal in importedmodules[modulestr]:
procname = importedmodules[modulestr][ordinal]
else:
procname = readPASSTR(pStrTab + proc)
ida_bytes.create_data(import_ea, ida_bytes.FF_WORD, 2,
ida_idaapi.BADADDR)
ida_name.force_name(import_ea, procname)
ida_bytes.set_cmt(import_ea, "Imported from " + modulestr, 1)
base = 0xF000
off = import_ea - 0xF0000
import_ea += 2
for xx in range(count):
next = ida_bytes.get_word(segtable[seg].start_ea + relocStart)
if mode == 0x20:
ida_bytes.put_word(segtable[seg].start_ea + relocStart + 2,
base)
ida_bytes.put_word(segtable[seg].start_ea + relocStart,
off)
elif mode == 0x10:
ida_bytes.put_word(segtable[seg].start_ea + relocStart,
off)
elif mode == 0x0:
ida_bytes.put_word(segtable[seg].start_ea + relocStart,
base)
relocStart = next
#print "import %d: seg %d mode %s count %d relocStart %s module %s proc %s" % (i, seg, hex(mode), count, hex(relocStart), modulestr, hex(proc))
return 1