def process(fname):
ic = open(fname,'rb')
encrypted, d, offset = Mjo.header(ic)
#Get entrypoint details
ic.seek(0x10)
primary = Util.read_int(ic)
ic.seek(0x18)
record_count = Util.read_int(ic)
entrypoints = {}
for i in range(record_count):
code = Util.read_int32(ic)
offs = Util.read_int(ic)
entrypoints[offs] = (code, offs == primary)
#Get generic channel for bytecode
if encrypted:
s = Mjo.crypt(ic)
bc = strio(s)
ic.seek(0)
open(fname+'.dec','wb').write(ic.read(offset) + s)
else:
ic.seek(offset)
s = ic.read()
bc = strio(s)
endPos = len(s) - 1
#Read commands
cmds = []
targets = {}
# try:
if 1:
while bc.tell()<endPos:
cpos = bc.tell()
cmd = read_cmd(bc, cpos + offset)
cmds.append((cpos, cmd))
if cmd.__class__ == Cmd:
for i in cmd[2]:
targets[i] = 0
# except:
if 0:
print 'warning: this mjo may be truncated.'
import pdb
pdb.set_trace()
#Order labels
targets = targets.keys()
targets.sort(reverse=True)
labels = {}
for n in range(len(targets)):
labels[targets[n]] = n + 1
#Open output file
dir, basename = os.path.split(fname)
output_dir = g_output_dir
if not output_dir:
output_dir = dir
noext = os.path.splitext(basename)[0]
oc = open(output_dir + '\\' + noext + '.mjs', 'w')
res = resstrs(output_dir + '\\' + noext + '.sjs')
#Output code
def do_lbl(pos):
if pos in labels:
oc.write('\n @%d\n'%labels[pos])
res.finalise()
if pos in targets:
targets.remove(pos)
def do_pos(pos):
if include_offsets == 'Bytecode': oc.write("{-%04x-} "%pos)
elif include_offsets == 'File': oc.write("{-%04x-} "%(pos+offset))
stack = []
def pop_all():
if stack:
res.finalise()
while stack:
pos, elt = stack.pop()
do_lbl(pos)
do_pos(pos)
oc.write('push %s\n'%elt)
def pop_n(n, clear = True):
skip = None
l = []
for n in range(n):
if skip or not stack:
l.append('pop')
else:
pos, elt = stack.pop()
if not skip and pos in labels:
skip = pos
l.append(elt)
if clear or skip:
pop_all()
if skip: do_lbl(skip)
return ', '.join(l)
for pos, cmd in cmds:
if pos in entrypoints:
code, is_entry = entrypoints[pos]
del entrypoints[pos]
f = "function"
if is_entry: f = "entrypoint"
oc.write("\n#%s $%08lx\n"%(f, code&0xFFFFFFFF))
res.finalise()
if cmd == None:
pop_all()
do_lbl(pos)
elif cmd.__class__ == Stack:
s, n, b = cmd
res.finalise()
if n: s = "%s(%s)"%(s,pop_n(n, False))
elif b:
if res.enabled: s=res.add_whole(s)
else: s = repr(s)
stack.append((pos,s))
elif cmd.__class__ == Cmd:
s, n, l = cmd
if n: args = " (%s)"%pop_n(n)
else:
args = ""
pop_all()
do_lbl(pos)
do_pos(pos)
res.finalise()
oc.write(s)
oc.write(args)
if len(l) == 1:
oc.write(' @%d'%labels[l[0]])
elif l:
oc.write(' { %s }'%', '.join(['@%d'%labels[n] for n in l]))
oc.write('\n')
else:#text
pop_all()
do_lbl(pos)
do_pos(pos)
if res.enabled:
r = res.add_part(cmd)
if r: oc.write("%s\n"%r)
else: oc.write(repr(cmd))
pop_all()
#Clean up
if targets:
print "Warning: labels not generated: %s" % ", ".join(['@%d'%labels[n] for n in targets])
if entrypoints:
print "Warning: entrypoints not generated: %s"%", ".join(['$%08lx'%entrypoints[n][0]&0xFFFFFFFF for n in entrypoints])
oc.close()
res.close()
def process(fname):
ic = open(fname, 'rb')
encrypted, d, offset = Mjo.header(ic)
#Get entrypoint details
ic.seek(0x10)
primary = Util.read_int(ic)
ic.seek(0x18)
record_count = Util.read_int(ic)
entrypoints = {}
for i in range(record_count):
code = Util.read_int32(ic)
offs = Util.read_int(ic)
entrypoints[offs] = (code, offs == primary)
#Get generic channel for bytecode
if encrypted:
s = Mjo.crypt(ic)
bc = strio(s)
ic.seek(0)
open(fname + '.dec', 'wb').write(ic.read(offset) + s)
else:
ic.seek(offset)
s = ic.read()
bc = strio(s)
endPos = len(s) - 1
#Read commands
cmds = []
targets = {}
# try:
if 1:
while bc.tell() < endPos:
cpos = bc.tell()
cmd = read_cmd(bc, cpos + offset)
cmds.append((cpos, cmd))
if cmd.__class__ == Cmd:
for i in cmd[2]:
targets[i] = 0
# except:
if 0:
print 'warning: this mjo may be truncated.'
import pdb
pdb.set_trace()
#Order labels
targets = targets.keys()
targets.sort(reverse=True)
labels = {}
for n in range(len(targets)):
labels[targets[n]] = n + 1
#Open output file
dir, basename = os.path.split(fname)
output_dir = g_output_dir
if not output_dir:
output_dir = dir
noext = os.path.splitext(basename)[0]
oc = open(output_dir + '\\' + noext + '.mjs', 'w')
res = resstrs(output_dir + '\\' + noext + '.sjs')
#Output code
def do_lbl(pos):
if pos in labels:
oc.write('\n @%d\n' % labels[pos])
res.finalise()
if pos in targets:
targets.remove(pos)
def do_pos(pos):
if include_offsets == 'Bytecode': oc.write("{-%04x-} " % pos)
elif include_offsets == 'File': oc.write("{-%04x-} " % (pos + offset))
stack = []
def pop_all():
if stack:
res.finalise()
while stack:
pos, elt = stack.pop()
do_lbl(pos)
do_pos(pos)
oc.write('push %s\n' % elt)
def pop_n(n, clear=True):
skip = None
l = []
for n in range(n):
if skip or not stack:
l.append('pop')
else:
pos, elt = stack.pop()
if not skip and pos in labels:
skip = pos
l.append(elt)
if clear or skip:
pop_all()
if skip: do_lbl(skip)
return ', '.join(l)
for pos, cmd in cmds:
if pos in entrypoints:
code, is_entry = entrypoints[pos]
del entrypoints[pos]
f = "function"
if is_entry: f = "entrypoint"
oc.write("\n#%s $%08lx\n" % (f, code & 0xFFFFFFFF))
res.finalise()
if cmd == None:
pop_all()
do_lbl(pos)
elif cmd.__class__ == Stack:
s, n, b = cmd
res.finalise()
if n: s = "%s(%s)" % (s, pop_n(n, False))
elif b:
if res.enabled: s = res.add_whole(s)
else: s = repr(s)
stack.append((pos, s))
elif cmd.__class__ == Cmd:
s, n, l = cmd
if n: args = " (%s)" % pop_n(n)
else:
args = ""
pop_all()
do_lbl(pos)
do_pos(pos)
res.finalise()
oc.write(s)
oc.write(args)
if len(l) == 1:
oc.write(' @%d' % labels[l[0]])
elif l:
oc.write(' { %s }' % ', '.join(['@%d' % labels[n] for n in l]))
oc.write('\n')
else: #text
pop_all()
do_lbl(pos)
do_pos(pos)
if res.enabled:
r = res.add_part(cmd)
if r: oc.write("%s\n" % r)
else: oc.write(repr(cmd))
pop_all()
#Clean up
if targets:
print "Warning: labels not generated: %s" % ", ".join(
['@%d' % labels[n] for n in targets])
if entrypoints:
print "Warning: entrypoints not generated: %s" % ", ".join(
['$%08lx' % entrypoints[n][0] & 0xFFFFFFFF for n in entrypoints])
oc.close()
res.close()
0x850: ('switch', 'L'),
}
for op in (0x100, 0x101, 0x108, 0x109, 0x110, 0x118, 0x119, 0x11a, 0x120,
0x121, 0x130, 0x138, 0x140, 0x142, 0x148, 0x150, 0x158, 0x15a,
0x160, 0x162, 0x170, 0x178, 0x180, 0x188, 0x190, 0x1a0, 0x1a1,
0x83e, 0x83f, 0x841, 0x844, ):
opInfo[op] = ('op%03x'%op, [])
for op in (0x803, 0x847, ):
opInfo[op] = ('op%03x'%op, [4])
for op in (0x1b0, 0x1b1, 0x1b2, 0x1b3, 0x1b5, 0x1b8, 0x1c0, 0x1d0, 0x1d2,
0x1d8, 0x1d9, 0x270, 0x272, 0x290, 0x2c0, 0x802, 0x837):
opInfo[op] = ('op%03x'%op, [8])
ic = open(sys.argv[1],'rb')
encrypted, l, offset = Mjo.header(ic)
ic.seek(16)
primary = struct.unpack('I', ic.read(4))[0]
ic.seek(0x18)
entrypoints = {}
for i in range(struct.unpack('I', ic.read(4))[0]):
code, offs = struct.unpack('II', ic.read(8))
entrypoints[offs] = (code, offs == primary)
if encrypted:
s = strio(Mjo.crypt(ic))
else:
ic.seek(offset)
s = strio(ic.read(l))
dasm = []
labels={}
0x83f,
0x841,
0x844,
):
opInfo[op] = ('op%03x' % op, [])
for op in (
0x803,
0x847,
):
opInfo[op] = ('op%03x' % op, [4])
for op in (0x1b0, 0x1b1, 0x1b2, 0x1b3, 0x1b5, 0x1b8, 0x1c0, 0x1d0, 0x1d2,
0x1d8, 0x1d9, 0x270, 0x272, 0x290, 0x2c0, 0x802, 0x837):
opInfo[op] = ('op%03x' % op, [8])
ic = open(sys.argv[1], 'rb')
encrypted, l, offset = Mjo.header(ic)
ic.seek(16)
primary = struct.unpack('I', ic.read(4))[0]
ic.seek(0x18)
entrypoints = {}
for i in range(struct.unpack('I', ic.read(4))[0]):
code, offs = struct.unpack('II', ic.read(8))
entrypoints[offs] = (code, offs == primary)
if encrypted:
s = strio(Mjo.crypt(ic))
else:
ic.seek(offset)
s = strio(ic.read(l))
dasm = []
labels = {}
