forked from ANSSI-FR/bmc-tools
-
Notifications
You must be signed in to change notification settings - Fork 0
/
bmc-tools.py
executable file
·185 lines (182 loc) · 9.95 KB
/
bmc-tools.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import argparse, os, os.path, sys
from struct import pack, unpack
class BMCContainer():
BIN_FILE_HEADER = "RDP8bmp\x00"
BIN_CONTAINER = ".BIN"
BMC_CONTAINER = ".BMC"
TILE_HEADER_SIZE = {BMC_CONTAINER: 0x14, BIN_CONTAINER: 0xC}
LOG_TYPES = ["[===]", "[+++]", "[---]", "[!!!]"]
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decode("hex")
def __init__(self, verbose=False, count=0, old=False):
self.bdat = ""
self.o_bmps = []
self.bmps = []
self.btype = None
self.cnt = count
self.fname = None
self.fpath = None
self.oldsave = old
self.pal = False
self.verb = verbose
if count > 0:
self.b_log(sys.stdout, True, 2, "At most %d tiles will be processed." % (count))
if old:
self.b_log(sys.stdout, True, 2, "Old data will also be saved in separate files.")
def b_log(self, stream, verbose, ltype, lmsg):
if not verbose or self.verb:
stream.write("%s %s%s" % (self.LOG_TYPES[ltype], lmsg, os.linesep))
return True
def b_import(self, fpath):
if len(self.bdat) > 0:
self.b_log(sys.stderr, False, 3, "Data is already waiting to be processed; aborting.")
return False
with open(fpath, "rb") as f:
self.bdat = f.read()
if len(self.bdat) == 0:
self.b_log(sys.stderr, False, 3, "Unable to retrieve file contents; aborting.")
return False
self.fpath = fpath
self.fname = os.path.basename(self.fpath)
self.btype = self.BMC_CONTAINER
if self.bdat[:len(self.BIN_FILE_HEADER)] == self.BIN_FILE_HEADER:
self.b_log(sys.stdout, True, 2, "Subsequent header version: %d." % (unpack("<L", self.bdat[len(self.BIN_FILE_HEADER):len(self.BIN_FILE_HEADER)+4])[0]))
self.bdat = self.bdat[len(self.BIN_FILE_HEADER)+4:]
self.btype = self.BIN_CONTAINER
self.b_log(sys.stdout, True, 0, "Successfully loaded '%s' as a %s container." % (self.fname, self.btype))
return True
def b_process(self):
if len(self.bdat) == 0:
self.b_log(sys.stderr, False, 3, "Nothing to process.")
return False
off = 0
while len(self.bdat) > 0:
old = False
o_bmp = ""
t_hdr = self.bdat[:self.TILE_HEADER_SIZE[self.btype]]
key1, key2, t_width, t_height = unpack("<LLHH", t_hdr[:0xC])
if self.btype == self.BIN_CONTAINER:
bl = 4*t_width*t_height
t_bmp = self.b_parse_rgb32b(self.bdat[len(t_hdr):len(t_hdr)+bl])
elif self.btype == self.BMC_CONTAINER:
t_bmp = ""
t_len, t_params = unpack("<LL", t_hdr[-0x8:])
if t_params & 0x08: #This bit is always ONE when relevant data is smaller than expected data, thus it is most likely the "compression" bit flag.
self.b_log(sys.stdout, False, 3, "Tile data is compressed (%d bytes compressed in %d bytes); skipping." % (t_width*t_height*4, t_len))
bl = 64*64*2
else:
cf = t_len/(t_width*t_height)
if cf not in [1, 2, 4]:
self.b_log(sys.stderr, False, 3, "Unexpected bpp (%d) found during processing; aborting." % (8*cf))
return False
if cf == 4:
t_bmp = self.b_parse_rgb32b(self.bdat[len(t_hdr):len(t_hdr)+cf*t_width*t_height])
if t_height != 64:
old = True
o_bmp = self.b_parse_rgb32b(self.bdat[len(t_hdr)+cf*t_width*t_height:len(t_hdr)+cf*64*64])
elif cf == 2:
t_bmp = self.b_parse_rgb565(self.bdat[len(t_hdr):len(t_hdr)+cf*t_width*t_height])
if t_height != 64:
old = True
o_bmp = self.b_parse_rgb565(self.bdat[len(t_hdr)+cf*t_width*t_height:len(t_hdr)+cf*64*64])
elif cf == 1:
self.pal = True
t_bmp = self.PALETTE+self.bdat[len(t_hdr):len(t_hdr)+cf*t_width*t_height]
if t_height != 64:
old = True
o_bmp = self.PALETTE+self.bdat[len(t_hdr)+cf*t_width*t_height:len(t_hdr)+cf*64*64]
bl = cf*64*64
if len(t_bmp) > 0:
self.bmps.append(t_bmp)
self.o_bmps.append(o_bmp)
if len(self.bmps)%100 == 0:
self.b_log(sys.stdout, True, 1, "%d tiles successfully extracted so far." % (len(self.bmps)))
off+=len(t_hdr)+bl
self.bdat = self.bdat[len(t_hdr)+bl:]
if self.cnt != 0 and len(self.bmps) == self.cnt:
break
self.b_log(sys.stdout, True, 0, "%d tiles successfully extracted in the end." % (len(self.bmps)))
return True
def b_parse_rgb565(self, data):
d_out = ""
while len(data) > 0:
pxl = unpack("<H", data[:2])[0]
bl = ((pxl>>8)&0xF8)|((pxl>>13)&0x07)
gr = ((pxl>>3)&0xFC)|((pxl>>9)&0x03)
re = ((pxl<<3)&0xF8)|((pxl>>2)&0x07)
d_out+=chr(re)+chr(gr)+chr(bl)+"\xFF"
data = data[2:]
return d_out
def b_parse_rgb32b(self, data):
d_out = ""
d_buf = ""
while len(data) > 0:
if self.btype == self.BIN_CONTAINER:
d_buf+=data[:3]+"\xFF"
if len(d_buf) == 256:
d_out = d_buf+d_out
d_buf = ""
else:
d_out+=data[:3]+"\xFF"
data = data[4:]
return d_out
def b_export(self, dname):
if not os.path.isdir(dname):
self.b_log(sys.stderr, False, 3, "Destination must be an already existing folder.")
return False
elif not os.path.isdir(os.path.join(dname, self.fname).rsplit(os.sep, 1)[0]):
os.makedirs(os.path.join(dname, self.fname).rsplit(os.sep, 1)[0])
for i in range(len(self.bmps)):
self.b_write(os.path.join(dname, "%s_%04d.bmp" % (self.fname, i)), self.b_export_bmp(64, len(self.bmps[i])/256, self.bmps[i]))
if self.oldsave and len(self.o_bmps[i]) > 0:
self.b_write(os.path.join(dname, "%s_old_%04d.bmp" % (self.fname, i)), self.b_export_bmp(64, len(self.o_bmps[i])/256, self.o_bmps[i]))
self.b_log(sys.stdout, False, 0, "Successfully exported %d files." % (len(self.bmps)))
return True
def b_export_bmp(self, width, height, data):
if not self.pal:
return "BM"+pack("<L", len(data)+126)+"\x00\x00\x00\x00\x7A\x00\x00\x00\x6C\x00\x00\x00"+pack("<L", width)+pack("<L", height)+"\x01\x00\x20\x00\x03\x00\x00\x00"+pack("<L", len(data))+"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xFF\x00\x00\xFF\x00\x00\xFF\x00\x00\x00\x00\x00\x00\xFF niW"+("\x00"*36)+"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"+data
else:
return "BM"+pack("<L", len(data)+0x36)+"\x00\x00\x00\x00\x36\x04\x00\x00\x28\x00\x00\x00"+pack("<L", width)+pack("<L", height)+"\x01\x00\x08\x00\x00\x00\x00\x00"+pack("<L", len(data)-0x400)+"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"+data
def b_write(self, fname, data):
with open(fname, "wb") as f:
f.write(data)
return True
def b_flush(self):
self.bdat = ""
self.bmps = []
self.o_bmps = []
return True
if __name__ == "__main__":
prs = argparse.ArgumentParser(description="RDP Bitmap Cache parser (v. 1.00, 27/06/2016)")
prs.add_argument("-o", "--old", help="Extract the old bitmap data found in the BMCache file.", action="store_true", default=False)
prs.add_argument("-d", "--dest", help="Specify the directory where to store the extracted bitmaps.", required=True)
prs.add_argument("-c", "--count", help="Only extract the given number of bitmaps.", type=int, default=-1)
prs.add_argument("-s", "--src", help="Specify the BMCache file or directory to process.", required=True)
prs.add_argument("-v", "--verbose", help="Determine the amount of information displayed.", action="store_true", default=False)
args = prs.parse_args(sys.argv[1:])
bmcc = BMCContainer(verbose=args.verbose, count=args.count, old=args.old)
if os.path.isdir(args.src):
sys.stdout.write("[+++] Processing a directory...%s" % (os.linesep))
src_files = []
for root, dirs, files in os.walk(args.src):
for f in files:
if f.rsplit(".", 1)[-1].upper() in ["BIN", "BMC"]:
if args.verbose:
sys.stdout.write("[---] File '%s' has been found.%s" % (os.path.join(root, f), os.linesep))
src_files.append(os.path.join(root, f))
if len(src_files) == 0:
sys.stderr.write("No suitable files were found under '%s' directory.%s" % (args.src, os.linesep))
exit(-1)
elif not os.path.isfile(args.src):
sys.stderr.write("Invalid -s/--src parameter; use -h/--help for help.%s" % (os.linesep))
exit(-1)
else:
sys.stdout.write("[+++] Processing a single file: '%s'.%s" % (args.src, os.linesep))
src_files = [args.src]
for src in src_files:
if bmcc.b_import(src):
bmcc.b_process()
bmcc.b_export(os.path.abspath(args.dest))
bmcc.b_flush()
del bmcc