5573614195

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Build # 5573614195

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push

github-actions

Committed by

peace-maker

Commit Message

Fix non-pie tests

Run Details

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24.32

/pwnlib/encoders/arm/alphanumeric/alphanum_byte.py

# Copyright (c) 2013 Pratik Kumar Sahu, Nagendra Chowdary, Anish Mathuria
# Ported to Python by Gallopsled
from __future__ import division
from __future__ import absolute_import

from . import random_funcs

# +------------------------------------------------------------------------+ 
# |                    ALPHANUMERIC MANIPULATIONS FUNCTIONS                | 
# +------------------------------------------------------------------------+ 

ALPHANUMERIC_BYTES = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"

# return 1 if the byte is alphanumeric 
# ==================================== 
def alphanumeric_check(c):
   if type(c) == int:
      c = chr(c & 0xff)
   return c.isalnum()


# return a random alphanumeric byte 
# ================================= 
def alphanumeric_get_byte():
   return ord(random_funcs.randel(ALPHANUMERIC_BYTES))

# return a randomly selected alphanumeric byte less than max 
# ========================================================== 
#CSE author actually returns a byte <= max, not strictly < max
def alphanumeric_get_byte_ltmax(max):
   sz = 0
   while sz < len(ALPHANUMERIC_BYTES) and ord(ALPHANUMERIC_BYTES[sz]) <= max:
      sz += 1
   return ord(random_funcs.randel(ALPHANUMERIC_BYTES[:sz]))

# generate an alphanumeric offset such that c+offset is also alphanumeric 
# ======================================================================= 
def off_gen(c):
   if c >= 0 and c <= 0x4a:
      max = 16 * 7 + 10 - c
      while True:
         x = alphanumeric_get_byte_ltmax(max)
         if alphanumeric_check(c + x):
            return x
   return 0

# return an alphanumeric value ret such that c XOR ret is also alphanumeric
# =========================================================================
def alphanumeric_get_complement(c):
   c &= 0xff
   while True:
      ret = alphanumeric_get_byte()
      if alphanumeric_check(c ^ ret):
         return ret

1	# Copyright (c) 2013 Pratik Kumar Sahu, Nagendra Chowdary, Anish Mathuria
2	# Ported to Python by Gallopsled
3	from __future__ import division	1✔
4	from __future__ import absolute_import	1✔
5
6	from . import random_funcs	1✔
7
8	# +------------------------------------------------------------------------+
9	# \| ALPHANUMERIC MANIPULATIONS FUNCTIONS \|
10	# +------------------------------------------------------------------------+
11
12	ALPHANUMERIC_BYTES = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"	1✔
13
14	# return 1 if the byte is alphanumeric
15	# ====================================
16	def alphanumeric_check(c):	1✔
17	if type(c) == int:	×
18	c = chr(c & 0xff)	×
19	return c.isalnum()	×
20
21
22	# return a random alphanumeric byte
23	# =================================
24	def alphanumeric_get_byte():	1✔
25	return ord(random_funcs.randel(ALPHANUMERIC_BYTES))	×
26
27	# return a randomly selected alphanumeric byte less than max
28	# ==========================================================
29	#CSE author actually returns a byte <= max, not strictly < max
30	def alphanumeric_get_byte_ltmax(max):	1✔
31	sz = 0	×
32	while sz < len(ALPHANUMERIC_BYTES) and ord(ALPHANUMERIC_BYTES[sz]) <= max:	×
33	sz += 1	×
34	return ord(random_funcs.randel(ALPHANUMERIC_BYTES[:sz]))	×
35
36	# generate an alphanumeric offset such that c+offset is also alphanumeric
37	# =======================================================================
38	def off_gen(c):	1✔
39	if c >= 0 and c <= 0x4a:	×
40	max = 16 * 7 + 10 - c	×
41	while True:
42	x = alphanumeric_get_byte_ltmax(max)	×
43	if alphanumeric_check(c + x):	×
44	return x	×
45	return 0	×
46
47	# return an alphanumeric value ret such that c XOR ret is also alphanumeric
48	# =========================================================================
49	def alphanumeric_get_complement(c):	1✔
50	c &= 0xff	×
51	while True:
52	ret = alphanumeric_get_byte()	×
53	if alphanumeric_check(c ^ ret):	×
54	return ret	×

Gallopsled / pwntools / 5573614195

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