|
| 1 | +import struct |
| 2 | +import sys |
| 3 | +import os |
| 4 | +from optparse import OptionParser |
| 5 | + |
| 6 | +def openOutput(f): |
| 7 | + try: |
| 8 | + return open(f, "wb") |
| 9 | + except IOError: |
| 10 | + print "Output file could not be opened!" |
| 11 | + exit() |
| 12 | + |
| 13 | +def makedir(dirname): |
| 14 | + global quiet |
| 15 | + try: |
| 16 | + os.mkdir(dirname) |
| 17 | + except OSError, e: |
| 18 | + if quiet == False: |
| 19 | + print "WARNING: Directory", dirname, "already exists!" |
| 20 | + |
| 21 | +class rarc_header_class: |
| 22 | + _structformat = ">I4xI16xI8xI4xI8x" |
| 23 | + filesize = 0 |
| 24 | + #4 bytes unknown |
| 25 | + dataStartOffset = 0 #where does actual data start? add 0x20 |
| 26 | + #16 bytes unknown |
| 27 | + numNodes = 0 |
| 28 | + #8 bytes unknown |
| 29 | + fileEntriesOffset = 0 |
| 30 | + #4 bytes unknown |
| 31 | + stringTableOffset = 0 # where is the string table stored? add 0x20 |
| 32 | + #8 bytes unknown |
| 33 | + def __init__(self): |
| 34 | + self._s = struct.Struct(self._structformat) |
| 35 | + def unpack(self, buf): |
| 36 | + s = self |
| 37 | + s.filesize, s.dataStartOffset, s.numNodes, s.fileEntriesOffset, s.stringTableOffset = s._s.unpack_from(buf) |
| 38 | + def size(self): |
| 39 | + #print self._s.size, "ohai" |
| 40 | + return self._s.size |
| 41 | + |
| 42 | +class rarc_node_class: |
| 43 | + _structformat = ">II2xHI" |
| 44 | + type = 0 |
| 45 | + filenameOffset = 0 #directory name, offset into string table |
| 46 | + #2 bytes unknown |
| 47 | + numFileEntries = 0 #how manu files belong to this node? |
| 48 | + firstFileEntryOffset = 0 |
| 49 | + def __init__(self): |
| 50 | + self._s = struct.Struct(self._structformat) |
| 51 | + def unpack(self, buf): |
| 52 | + s = self |
| 53 | + s.type, s.filenameOffset, s.numFileEntries, s.firstFileEntryOffset = s._s.unpack_from(buf) |
| 54 | + def size(self): |
| 55 | + #print self._s.size |
| 56 | + return self._s.size |
| 57 | + |
| 58 | +class rarc_fileEntry_class: |
| 59 | + _structformat = ">H4xHII4x" |
| 60 | + id = 0 #file id. if 0xFFFF, this entry is a subdir link |
| 61 | + #4 bytes unknown |
| 62 | + filenameOffset = 0 #file/subdir name, offset into string table |
| 63 | + dataOffset = 0 #offset to file data (for subdirs: index of node representing subdir) |
| 64 | + dataSize = 0 #size of data |
| 65 | + def __init__(self): |
| 66 | + self._s = struct.Struct(self._structformat) |
| 67 | + def unpack(self, buf): |
| 68 | + s = self |
| 69 | + s.id, s.filenameOffset, s.dataOffset, s.dataSize = s._s.unpack_from(buf) |
| 70 | + def size(self): |
| 71 | + return self._s.size |
| 72 | + |
| 73 | +class U8_archive_header: |
| 74 | + _structformat = ">III16x" |
| 75 | + rootnode_offset = 0 #offset to root_node, always 0x20 |
| 76 | + header_size = 0 #size of header from root_node to end of string table |
| 77 | + data_offset = 0 #offset to data: rootnode_offset + header_size aligned to 0x40 |
| 78 | + #16 bytes zeros |
| 79 | + def __init__(self): |
| 80 | + self._s = struct.Struct(self._structformat) |
| 81 | + def unpack(self, buf): |
| 82 | + s = self |
| 83 | + s.rootnode_offset, s.header_size, s.data_offset = s._s.unpack_from(buf) |
| 84 | + def size(self): |
| 85 | + return self._s.size |
| 86 | + |
| 87 | +class U8_node: |
| 88 | + _structformat = ">HHII" |
| 89 | + type = 0 #really u8, normal files = 0x0000, directories = 0x0100 |
| 90 | + name_offset = 0 #really 'u24' |
| 91 | + data_offset = 0 |
| 92 | + fsize = 0 #files: filesize, dirs: last included file with rootnode as 1 |
| 93 | + def __init__(self): |
| 94 | + self._s = struct.Struct(self._structformat) |
| 95 | + def unpack(self, buf): |
| 96 | + s = self |
| 97 | + s.type, s.name_offset, s.data_offset, s.fsize = s._s.unpack_from(buf) |
| 98 | + def size(self): |
| 99 | + return self._s.size |
| 100 | + |
| 101 | +class U8_globals: |
| 102 | + pass |
| 103 | + |
| 104 | +def unyaz(input, output): |
| 105 | + global quiet, list |
| 106 | + #shamelessly stolen^W borrowed from yagcd |
| 107 | + data_size, = struct.unpack_from(">I", input.read(4)) #uncompressed data size |
| 108 | + if list: |
| 109 | + print "Uncompressed size:", data_size, "bytes" |
| 110 | + return |
| 111 | + t = input.read(8) #dummy |
| 112 | + srcplace = 0 |
| 113 | + dstplace = 0 |
| 114 | + bitsleft = 0 |
| 115 | + currbyte = 0 |
| 116 | + if quiet == False: |
| 117 | + print "Reading input" |
| 118 | + src = input.read() |
| 119 | + dst = [" "]*data_size |
| 120 | + #print len(dst), len(src) |
| 121 | + percent = 0 |
| 122 | + if quiet == False: |
| 123 | + sys.stdout.write("Decompressing 0%") |
| 124 | + sys.stdout.flush() |
| 125 | + while dstplace < data_size: |
| 126 | + if bitsleft == 0: |
| 127 | + currbyte = ord(src[srcplace]) |
| 128 | + srcplace += 1 |
| 129 | + bitsleft = 8 |
| 130 | + if (currbyte & 0x80) != 0: |
| 131 | + dst[dstplace] = src[srcplace] |
| 132 | + dstplace += 1 |
| 133 | + srcplace += 1 |
| 134 | + else: |
| 135 | + byte1 = ord(src[srcplace]) |
| 136 | + byte2 = ord(src[srcplace+1]) |
| 137 | + srcplace += 2 |
| 138 | + dist = ((byte1 & 0xF) << 8) | byte2 |
| 139 | + copySource = dstplace - (dist + 1) |
| 140 | + numbytes = byte1 >> 4 |
| 141 | + if numbytes == 0: |
| 142 | + numbytes = ord(src[srcplace]) + 0x12 |
| 143 | + srcplace += 1 |
| 144 | + else: |
| 145 | + numbytes += 2 |
| 146 | + j = 0 |
| 147 | + for i in range(0, numbytes): |
| 148 | + dst[dstplace] = dst[copySource] |
| 149 | + copySource += 1 |
| 150 | + dstplace += 1 |
| 151 | + j += 1 |
| 152 | + currbyte = (currbyte << 1) |
| 153 | + bitsleft -= 1 |
| 154 | + if quiet == False: |
| 155 | + calcpercent = ((dstplace*1.0)/data_size)*100 |
| 156 | + if int(calcpercent) > percent: |
| 157 | + if int(calcpercent) > 9: |
| 158 | + sys.stdout.write("\b") |
| 159 | + sys.stdout.write("\b\b" + str(int(calcpercent)) + "%") |
| 160 | + sys.stdout.flush() |
| 161 | + percent = calcpercent |
| 162 | + if quiet == False: |
| 163 | + print "\nWriting output" |
| 164 | + output.write("".join(dst)) |
| 165 | + |
| 166 | +def getNode(index, f, h): |
| 167 | + retval = rarc_node_class() |
| 168 | + f.seek(h.size() + 4 + index*retval.size()) |
| 169 | + s = f.read(retval.size()) |
| 170 | + retval.unpack(s) |
| 171 | + return retval |
| 172 | + |
| 173 | +def getString(pos, f): |
| 174 | + t = f.tell() |
| 175 | + f.seek(pos) |
| 176 | + retval = [] |
| 177 | + char = 0 |
| 178 | + while True: |
| 179 | + char = f.read(1) |
| 180 | + if char == "\0": |
| 181 | + break |
| 182 | + retval.append(char) |
| 183 | + f.seek(t) |
| 184 | + return "".join(retval) |
| 185 | + |
| 186 | +def getFileEntry(index, h, f): |
| 187 | + retval = rarc_fileEntry_class() |
| 188 | + f.seek(h.fileEntriesOffset + index*retval.size() + 0x20) |
| 189 | + retval.unpack(f.read(retval.size())) |
| 190 | + return retval |
| 191 | + |
| 192 | +def processNode(node, h, f): |
| 193 | + global quiet, depthnum, list |
| 194 | + nodename = getString(node.filenameOffset + h.stringTableOffset + 0x20, f) |
| 195 | + if list == False: |
| 196 | + if quiet == False: |
| 197 | + print "Processing node", nodename |
| 198 | + makedir(nodename) |
| 199 | + os.chdir(nodename) |
| 200 | + else: |
| 201 | + print (" "*depthnum) + nodename + "/" |
| 202 | + depthnum += 1 |
| 203 | + for i in range(0, node.numFileEntries): |
| 204 | + currfile = getFileEntry(node.firstFileEntryOffset + i, h, f) |
| 205 | + currname = getString(currfile.filenameOffset + h.stringTableOffset + 0x20, f) |
| 206 | + if (currfile.id == 0xFFFF): #file is a subdir |
| 207 | + if currname != "." and currname != "..": # don't go to "." and ".." |
| 208 | + processNode(getNode(currfile.dataOffset, f, h), h, f) |
| 209 | + else: |
| 210 | + if list: |
| 211 | + print (" "*depthnum) + currname, "-", currfile.dataSize |
| 212 | + continue |
| 213 | + if quiet == False: |
| 214 | + print "Dumping", nodename + "/" + currname, " 0%", |
| 215 | + try: |
| 216 | + percent = 0 |
| 217 | + dest = open(currname, "wb") |
| 218 | + f.seek(currfile.dataOffset + h.dataStartOffset + 0x20) |
| 219 | + size = currfile.dataSize |
| 220 | + while size > 0: |
| 221 | + if quiet == False: |
| 222 | + calcpercent = int(((currfile.dataSize-size)/(currfile.dataSize*1.0))*100) |
| 223 | + calcpercent = int(calcpercent) |
| 224 | + if calcpercent > percent: |
| 225 | + if calcpercent > 9: |
| 226 | + sys.stdout.write("\b") |
| 227 | + sys.stdout.write("\b\b" + str(calcpercent) + "%") |
| 228 | + sys.stdout.flush() |
| 229 | + percent = calcpercent |
| 230 | + dest.write(f.read(size)) |
| 231 | + size -= 1024 |
| 232 | + if quiet == False: |
| 233 | + if percent > 9: |
| 234 | + sys.stdout.write("\b") |
| 235 | + sys.stdout.write("\b\b100%") |
| 236 | + print "" |
| 237 | + dest.close() |
| 238 | + except IOError: |
| 239 | + print "OMG SOMETHING WENT WRONG!!!!1111!!!!!" |
| 240 | + exit() |
| 241 | + if list == False: |
| 242 | + os.chdir("..") |
| 243 | + else: |
| 244 | + depthnum -= 1 |
| 245 | + |
| 246 | +def unrarc(i, o): |
| 247 | + global list |
| 248 | + header = rarc_header_class() |
| 249 | + header.unpack(i.read(header.size())) |
| 250 | + if list == False: |
| 251 | + try: |
| 252 | + makedir(o) |
| 253 | + except: |
| 254 | + pass |
| 255 | + os.chdir(o) |
| 256 | + processNode(getNode(0, i, header), header, i) |
| 257 | + |
| 258 | +def get_u8_name(i, g, node): |
| 259 | + retval = [] |
| 260 | + i.seek(g.string_table + node.name_offset-1) |
| 261 | + while True: |
| 262 | + t = i.read(1) |
| 263 | + if t == "\0": |
| 264 | + break |
| 265 | + retval.append(t) |
| 266 | + return "".join(retval) |
| 267 | + |
| 268 | +def get_u8_node(i, g, index): |
| 269 | + retval = U8_node() |
| 270 | + index -= 1 |
| 271 | + i.seek(g.header.rootnode_offset + (index * retval.size())) |
| 272 | + retval.unpack(i.read(retval.size())) |
| 273 | + return retval |
| 274 | + |
| 275 | +def unu8(i, o): |
| 276 | + global quiet, depthnum, list |
| 277 | + header = U8_archive_header() |
| 278 | + header.unpack(i.read(header.size())) |
| 279 | + if list == False: |
| 280 | + try: |
| 281 | + makedir(o) |
| 282 | + except: |
| 283 | + pass |
| 284 | + os.chdir(o) |
| 285 | + root = U8_node() |
| 286 | + root.unpack(i.read(header.size())) |
| 287 | + g = U8_globals() |
| 288 | + g.rootnode = root |
| 289 | + g.numnodes = root.fsize |
| 290 | + g.header = header |
| 291 | + g.string_table = ((root.fsize)*root.size()) + header.rootnode_offset + 1 |
| 292 | + depth = [root.fsize] |
| 293 | + for index in range(2, root.fsize+1): |
| 294 | + node = get_u8_node(i, g, index) |
| 295 | + name = get_u8_name(i, g, node) |
| 296 | + if list: |
| 297 | + if node.type == 0: |
| 298 | + print (" "*depthnum) + name, "-", node.fsize, "bytes" |
| 299 | + elif node.type == 0x0100: |
| 300 | + print (" "*depthnum) + name + "/" |
| 301 | + depthnum += 1 |
| 302 | + depth.append(node.fsize) |
| 303 | + elif node.type == 0: |
| 304 | + if quiet == False: |
| 305 | + print "Dumping file node", name, " 0%", |
| 306 | + i.seek(node.data_offset) |
| 307 | + try: |
| 308 | + dest = open(name, "wb") |
| 309 | + percent = 0 |
| 310 | + size = node.fsize |
| 311 | + while size > 0: |
| 312 | + if quiet == False: |
| 313 | + calcpercent = int(((node.fsize-size)/(node.fsize*1.0))*100) |
| 314 | + if calcpercent > percent: |
| 315 | + if calcpercent > 9: |
| 316 | + sys.stdout.write("\b") |
| 317 | + sys.stdout.write("\b\b" + str(calcpercent) + "%") |
| 318 | + sys.stdout.flush() |
| 319 | + percent = calcpercent |
| 320 | + dest.write(f.read(size)) |
| 321 | + size -= 1024 |
| 322 | + if quiet == False: |
| 323 | + if percent > 9: |
| 324 | + sys.stdout.write("\b") |
| 325 | + sys.stdout.write("\b\b100%\n") |
| 326 | + dest.close() |
| 327 | + except IOError: |
| 328 | + print "OMG SOMETHING WENT WRONG!!!!!!!111111111!!!!!!!!" |
| 329 | + exit() |
| 330 | + elif node.type == 0x0100: |
| 331 | + if quiet == False: |
| 332 | + print "Processing node", name |
| 333 | + makedir(name) |
| 334 | + os.chdir(name) |
| 335 | + depth.append(node.fsize) |
| 336 | + if index == depth[-1]: |
| 337 | + if list == False: |
| 338 | + os.chdir("..") |
| 339 | + depthnum -= 1 |
| 340 | + depth.pop() |
| 341 | + if list == False: |
| 342 | + os.chdir("..") |
| 343 | + |
| 344 | +def main(): |
| 345 | + global of, quiet, list, depthnum |
| 346 | + parser = OptionParser(usage="python %prog [-q] [-o <output>] <inputfile> [inputfile2] ... [inputfileN]", version="ARCTool 0.3b") |
| 347 | + parser.add_option("-o", "--output", action="store", type="string", dest="of", help="write output to FILE/DIR. If you are extracting multiple archives, all of them will be put in this dir.", metavar="FILE/DIR") |
| 348 | + parser.add_option("-q", "--quiet", action="store_true", dest="quiet", default=False, help="don't print anything (except errors)") |
| 349 | + parser.add_option("-l", "--list", action="store_true", dest="list", default=False, help="print a list of files contained in the specified archive (ignores -q)") |
| 350 | + |
| 351 | + |
| 352 | + (options, args) = parser.parse_args() |
| 353 | + |
| 354 | + of = options.of |
| 355 | + quiet = options.quiet |
| 356 | + list = options.list |
| 357 | + |
| 358 | + depthnum = 0 |
| 359 | + |
| 360 | + if len(args) < 1: |
| 361 | + parser.error("Input filename required") |
| 362 | + |
| 363 | + if len(args) > 1: |
| 364 | + if options.of != None: |
| 365 | + makedir(of) |
| 366 | + os.chdir(of) |
| 367 | + |
| 368 | + for file in args: |
| 369 | + if options.of == None or len(args) > 1: |
| 370 | + of = os.path.split(file)[1] + ".extracted" |
| 371 | + if len(args) > 1 and options.of != None: |
| 372 | + file = "../" + file |
| 373 | + try: |
| 374 | + f = open(file, "rb") |
| 375 | + except IOError: |
| 376 | + print "Input file could not be opened!" |
| 377 | + exit() |
| 378 | + type = f.read(4) |
| 379 | + if type == "Yaz0": |
| 380 | + if quiet == False: |
| 381 | + print "Yaz0 compressed archive" |
| 382 | + unyaz(f, openOutput(of)) |
| 383 | + elif type == "RARC": |
| 384 | + if quiet == False: |
| 385 | + print "RARC archive" |
| 386 | + unrarc(f, of) |
| 387 | + elif type == "U\xAA8-": |
| 388 | + if quiet == False: |
| 389 | + print "U8 archive" |
| 390 | + unu8(f, of) |
| 391 | + else: |
| 392 | + print "Unknown archive type!" |
| 393 | + exit() |
| 394 | + f.close() |
| 395 | + |
| 396 | +if __name__ == "__main__": |
| 397 | + main() |
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