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https://github.com/thecompu/Driv3rs.git
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Added more DIB fields up-to-and-including the Device Type and SubType
This commit is contained in:
ultramagnus_tcv
parent
3d348670fa
commit
7b3c085f4e
112
3Slurp.py
112
3Slurp.py
@ -16,6 +16,24 @@ def readUnpack(bytes, **options):
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#print 'DEBUG: In b3', bytes, SOS
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return int('.'.join(str(x) for x in offset_unpacked))
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if options.get("type") == '1':
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SOS = SOSfile.read(bytes)
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offset_unpacked = unpack ('< B', SOS)
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return int(ord(SOS))
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dev_types ={273: 'Character Device, Write-Only, Formatter',
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321: 'Character Device, Write-Only, RS232 Printer', # Dicionary for Types and SubTypes
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577: 'Character Device, Write-Only, Silentype',
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833: 'Character Device, Write-Only, Parallel Printer',
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323: 'Character Device, Write-Only, Sound Port',
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353: 'Character Device, Read-Write, System Console',
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354: 'Character Device, Read-Write, Graphics Screen',
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355: 'Character Device, Read-Write, Onboard RS232',
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356: 'Character Device, Read-Write, Parallel Card',
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481: 'Block Device, Disk ///',
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721: 'Block Device, PROFile',
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4337: 'Block Device, CFFA3000'}
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#Clear SCREEN
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print("\033c");
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@ -32,52 +50,62 @@ else:
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print "This is not a proper SOS file"
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exit()
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### At this point, we need the first offset to tell us where to jump to
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### find the first actual driver.
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rel_offset = readUnpack(2, type = 'b') # Read two bytes after SOS DRVR to establish first rel_offset value
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print "The first relative offset value is", rel_offset, hex(rel_offset) # Print out for debug
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drivers = 0 # This is to keep a running total of drivers.
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drivers_list=[] # Initialize a list to hold dictionaries.
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# Read immediate two bytes after SOS DRVR to establish first rel_offset value.
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rel_offset = readUnpack(2, type = 'b')
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print "The first relative offset value is", rel_offset, hex(rel_offset)
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print SOSfile.tell()
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drivers = 0 ## This is to keep a running total of drivers.
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drivers_list=[] ## Initialize a list to hold dictionaries.
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### Begin an indefinite loop that will come around until we
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### find all major drivers. FFFF means end of drivers.
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loop = True
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while loop : ## as long as no FF FF are encountered
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driver = {} ## Intialize a dictionary to hold vaules as we loop.
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SOSfile.seek(rel_offset,1) ## jump to next location. a + 522 = 52c
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driver['location'] = SOSfile.tell() ## add to driver dictionary 52c
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rel_offset = readUnpack(2, type = 'b') ## 0000 comment length
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if rel_offset == 0xFFFF:
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loop = False
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loop = True # Set True for major driver loop
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while loop : # establish loop to find major drivers
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driver = {} # Intialize a dictionary to hold vaules as we loop
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SOSfile.seek(rel_offset,1) # Jump to location of first driver
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driver['location'] = SOSfile.tell() # add to driver dictionary 52c
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rel_offset = readUnpack(2, type = 'b') # 0000 comment length
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if rel_offset == 0xFFFF: # If we encounter FFFF, no more drivers
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loop = False # Set loop to False to cancel while
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else :
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drivers_list.append(driver) ## add to drivers_list list
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SOSfile.seek(rel_offset,1) ## 52e + 0000 = 52e
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rel_offset = readUnpack(2, type = 'b') # result: 4a4 pos: 530
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SOSfile.seek(rel_offset,1) # 530 + 4a4 = 9d4
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rel_offset = readUnpack(2, type = 'b') # be
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drivers_list.append(driver) # add to drivers_list list
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SOSfile.seek(rel_offset,1) # seek forward based on contents of rel_offset
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rel_offset = readUnpack(2, type = 'b') # read 2 bytes and stick into rel_offset
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SOSfile.seek(rel_offset,1) # seek forward based on contents of rel_offset
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rel_offset = readUnpack(2, type = 'b') # read 2 bytes and stick into rel_offset
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#Loop to enter each driver to grab information from the DIB (Driver Information Block)
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for i in range(0,len(drivers_list)):
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# print drivers_list[i], hex(drivers_list[i]['location'])
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SOSfile.seek(drivers_list[i]['location'],0)
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rel_offset = readUnpack(2, type = 'b') # will get comment length 0000
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drivers_list[i]['comment_len'] = rel_offset #store comment length
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if rel_offset != 0: #if comment length is not 0000
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comment_len = rel_offset # place length in comment_len var
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comment_txt = readUnpack(comment_len, type = 't') # comment_len bytes as text
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drivers_list[i]['comment_txt'] = comment_txt # place comment in dictionary
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for i in range(0,len(drivers_list)): # begin loop to grab information from DIB
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SOSfile.seek(drivers_list[i]['location'],0) # reference SOF and seek to beginning of major driver
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atell = SOSfile.tell()
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comment_len = readUnpack(2, type = 'b') # grab comment length (2 bytes)
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drivers_list[i]['comment_len'] = comment_len # store comment length
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if comment_len != 0: # if comment length is not 0000
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comment_txt = readUnpack(comment_len, type = 't') # comment_len bytes as text
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drivers_list[i]['comment_txt'] = comment_txt # place comment in dictionary
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else:
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drivers_list[i]['comment_txt'] = '' # else enter comment as nothing
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SOSfile.seek(rel_offset,1) # go to link field
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lnk_pointer = readUnpack(2, type = 'b') # Grab distance to next DIB.
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SOSfile.seek(2,1) # Skip Entry field
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drivers_list[i]['comment_txt'] = '' # else enter comment as nothing
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SOSfile.seek(2,1) # Skip two bytes immediately following comment or 0000
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link_ptr = readUnpack(2, type = 'b') # Grab link pointer
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drivers_list[i]['link_ptr'] = link_ptr # Store link pointer
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entry = readUnpack(2, type = 'b') # Grab entry field
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drivers_list[i]['entry'] = entry # Store entry field
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name_len = readUnpack(1, type = '1') # Grab one byte for name length
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drivers_list[i]['name_len'] = name_len # Store name length
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name = readUnpack(name_len, type = 't') # Read name based on length
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drivers_list[i]['name'] = name # Store name
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SOSfile.seek(15 - name_len,1) # Skip past remainder of 15-byte long name field
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flag = readUnpack(1, type = '1') # Grab Flag byte
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if flag == 128: # Is flag 0x80?
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drivers_list[i]['flag'] = 'ACTIVE' # Insert Flag into dictionary with value ACTIVE
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else: # otherwise...
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drivers_list[i]['flag'] = 'INACTIVE' # Insert Flag into dictionary with value INACTIVE
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slot_num = readUnpack(1, type = '1') # Grab slot number
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if slot_num == 0: # Check if device has no slot number...
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drivers_list[i]['slot_num'] = 'None' # ... and indicate so.
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else: # otherwise...
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drivers_list[i]['slot_num'] = slot_num # ... enter slot number into the dictionary
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unit = readUnpack(1, type = '1') # get the unit byte
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drivers_list[i]['unit'] = unit # store unit in dictionary
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dev_type = readUnpack(2, type ='b') # Grab bytes for type and subtype
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drivers_list[i]['dev_type'] = dev_types[dev_type]
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print drivers_list
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print drivers_list[i]['dev_type']
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# print drivers_list[i]['name_len']
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SOSfile.close()
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