def rnd_data_len(self, buf_size, last_hash, random):
other_data_size = buf_size + self.server_info.overhead
# ????random???????????????????????????????
random.init_from_bin_len(last_hash, buf_size)
# final_pos ?????pos~(data_size_list0.len-1)??
# ??data_size_list0?????????????????buf
if other_data_size >= self.data_size_list0[-1]:
if other_data_size >= 1440:
return 0
if other_data_size > 1300:
return random.next() % 31
if other_data_size > 900:
return random.next() % 127
if other_data_size > 400:
return random.next() % 521
return random.next() % 1021
pos = bisect.bisect_left(self.data_size_list0, other_data_size)
# random select a size in the leftover data_size_list0
final_pos = pos + random.next() % (len(self.data_size_list0) - pos)
return self.data_size_list0[final_pos] - other_data_size
python类init_from_bin_len()的实例源码
auth_chain.py 文件源码
项目：shadowsocksr-python
作者: nanqinlang-shadowsocksr
项目源码
文件源码
阅读 35
收藏 0
点赞 0
评论 0
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size >= 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
pos = bisect.bisect_left(self.data_size_list, buf_size + self.server_info.overhead)
final_pos = pos + random.next() % (len(self.data_size_list))
if final_pos < len(self.data_size_list):
return self.data_size_list[final_pos] - buf_size - self.server_info.overhead
pos = bisect.bisect_left(self.data_size_list2, buf_size + self.server_info.overhead)
final_pos = pos + random.next() % (len(self.data_size_list2))
if final_pos < len(self.data_size_list2):
return self.data_size_list2[final_pos] - buf_size - self.server_info.overhead
if final_pos < pos + len(self.data_size_list2) - 1:
return 0
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def rnd_data_len(self, buf_size, last_hash, random):
other_data_size = buf_size + self.server_info.overhead
# ????random???????????????????????????????
random.init_from_bin_len(last_hash, buf_size)
# final_pos ?????pos~(data_size_list0.len-1)??
# ??data_size_list0?????????????????buf
if other_data_size >= self.data_size_list0[-1]:
if other_data_size >= 1440:
return 0
if other_data_size > 1300:
return random.next() % 31
if other_data_size > 900:
return random.next() % 127
if other_data_size > 400:
return random.next() % 521
return random.next() % 1021
pos = bisect.bisect_left(self.data_size_list0, other_data_size)
# random select a size in the leftover data_size_list0
final_pos = pos + random.next() % (len(self.data_size_list0) - pos)
return self.data_size_list0[final_pos] - other_data_size
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size >= 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
pos = bisect.bisect_left(self.data_size_list, buf_size + self.server_info.overhead)
final_pos = pos + random.next() % (len(self.data_size_list))
if final_pos < len(self.data_size_list):
return self.data_size_list[final_pos] - buf_size - self.server_info.overhead
pos = bisect.bisect_left(self.data_size_list2, buf_size + self.server_info.overhead)
final_pos = pos + random.next() % (len(self.data_size_list2))
if final_pos < len(self.data_size_list2):
return self.data_size_list2[final_pos] - buf_size - self.server_info.overhead
if final_pos < pos + len(self.data_size_list2) - 1:
return 0
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def init_from_bin_len(self, bin, length):
bin += b'\0' * 16
bin = struct.pack('<H', length) + bin[2:]
self.v0 = struct.unpack('<Q', bin[:8])[0]
self.v1 = struct.unpack('<Q', bin[8:16])[0]
for i in range(4):
self.next()
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size > 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def init_from_bin_len(self, bin, length):
bin += b'\0' * 16
bin = struct.pack('<H', length) + bin[2:]
self.v0 = struct.unpack('<Q', bin[:8])[0]
self.v1 = struct.unpack('<Q', bin[8:16])[0]
for i in range(4):
self.next()
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size > 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size >= 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
pos = bisect.bisect_left(self.data_size_list, buf_size + self.server_info.overhead)
final_pos = pos + random.next() % (len(self.data_size_list))
# ??random??????????????????if false
if final_pos < len(self.data_size_list):
return self.data_size_list[final_pos] - buf_size - self.server_info.overhead
# ??if false???2?????????????????
pos = bisect.bisect_left(self.data_size_list2, buf_size + self.server_info.overhead)
final_pos = pos + random.next() % (len(self.data_size_list2))
if final_pos < len(self.data_size_list2):
return self.data_size_list2[final_pos] - buf_size - self.server_info.overhead
# final_pos ?????pos~(data_size_list2.len-1)??
if final_pos < pos + len(self.data_size_list2) - 1:
return 0
# ?1/len(self.data_size_list2)?????????if ?
# ????????????????????? ?
# assert False
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def rnd_data_len(self, buf_size, last_hash, random):
other_data_size = buf_size + self.server_info.overhead
# if other_data_size > the bigest item in data_size_list0, not padding any data
if other_data_size >= self.data_size_list0[-1]:
return 0
random.init_from_bin_len(last_hash, buf_size)
pos = bisect.bisect_left(self.data_size_list0, other_data_size)
# random select a size in the leftover data_size_list0
final_pos = pos + random.next() % (len(self.data_size_list0) - pos)
return self.data_size_list0[final_pos] - other_data_size
auth_chain.py 文件源码
项目：shadowsocksr-python
作者: nanqinlang-shadowsocksr
项目源码
文件源码
阅读 32
收藏 0
点赞 0
评论 0
def init_from_bin_len(self, bin, length):
bin += b'\0' * 16
bin = struct.pack('<H', length) + bin[2:]
self.v0 = struct.unpack('<Q', bin[:8])[0]
self.v1 = struct.unpack('<Q', bin[8:16])[0]
for i in range(4):
self.next()
auth_chain.py 文件源码
项目：shadowsocksr-python
作者: nanqinlang-shadowsocksr
项目源码
文件源码
阅读 28
收藏 0
点赞 0
评论 0
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size > 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def init_from_bin_len(self, bin, length):
bin += b'\0' * 16
bin = struct.pack('<H', length) + bin[2:]
self.v0 = struct.unpack('<Q', bin[:8])[0]
self.v1 = struct.unpack('<Q', bin[8:16])[0]
for i in range(4):
self.next()
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size > 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size >= 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
pos = bisect.bisect_left(self.data_size_list, buf_size + self.server_info.overhead)
final_pos = pos + random.next() % (len(self.data_size_list))
# ??random??????????????????if false
if final_pos < len(self.data_size_list):
return self.data_size_list[final_pos] - buf_size - self.server_info.overhead
# ??if false???2?????????????????
pos = bisect.bisect_left(self.data_size_list2, buf_size + self.server_info.overhead)
final_pos = pos + random.next() % (len(self.data_size_list2))
if final_pos < len(self.data_size_list2):
return self.data_size_list2[final_pos] - buf_size - self.server_info.overhead
# final_pos ?????pos~(data_size_list2.len-1)??
if final_pos < pos + len(self.data_size_list2) - 1:
return 0
# ?1/len(self.data_size_list2)?????????if
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def rnd_data_len(self, buf_size, last_hash, random):
other_data_size = buf_size + self.server_info.overhead
# if other_data_size > the bigest item in data_size_list0, not padding any data
if other_data_size >= self.data_size_list0[-1]:
return 0
random.init_from_bin_len(last_hash, buf_size)
pos = bisect.bisect_left(self.data_size_list0, other_data_size)
# random select a size in the leftover data_size_list0
final_pos = pos + random.next() % (len(self.data_size_list0) - pos)
return self.data_size_list0[final_pos] - other_data_size
def init_from_bin_len(self, bin, length):
bin += b'\0' * 16
bin = struct.pack('<H', length) + bin[2:]
self.v0 = struct.unpack('<Q', bin[:8])[0]
self.v1 = struct.unpack('<Q', bin[8:16])[0]
for i in range(4):
self.next()
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size > 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def init_from_bin_len(self, bin, length):
bin += b'\0' * 16
bin = struct.pack('<H', length) + bin[2:]
self.v0 = struct.unpack('<Q', bin[:8])[0]
self.v1 = struct.unpack('<Q', bin[8:16])[0]
for i in range(4):
self.next()
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size > 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
def init_from_bin_len(self, bin, length):
bin += b'\0' * 16
bin = struct.pack('<H', length) + bin[2:]
self.v0 = struct.unpack('<Q', bin[:8])[0]
self.v1 = struct.unpack('<Q', bin[8:16])[0]
for i in range(4):
self.next()
def rnd_data_len(self, buf_size, last_hash, random):
if buf_size > 1440:
return 0
random.init_from_bin_len(last_hash, buf_size)
if buf_size > 1300:
return random.next() % 31
if buf_size > 900:
return random.next() % 127
if buf_size > 400:
return random.next() % 521
return random.next() % 1021
