本文整理汇总了Python中socket.IPPROTO_AH属性的典型用法代码示例。如果您正苦于以下问题：Python socket.IPPROTO_AH属性的具体用法？Python socket.IPPROTO_AH怎么用？Python socket.IPPROTO_AH使用的例子？那么恭喜您, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类socket的用法示例。
在下文中一共展示了socket.IPPROTO_AH属性的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _encrypt_ah
# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_AH [as 别名]
def _encrypt_ah(self, pkt, seq_num=None):
ah = AH(spi=self.spi, seq=seq_num or self.seq_num,
icv=chr(0) * self.auth_algo.icv_size)
if self.tunnel_header:
tunnel = self.tunnel_header.copy()
if tunnel.version == 4:
del tunnel.proto
del tunnel.len
del tunnel.chksum
else:
del tunnel.nh
del tunnel.plen
pkt = tunnel.__class__(str(tunnel / pkt))
ip_header, nh, payload = split_for_transport(pkt, socket.IPPROTO_AH)
ah.nh = nh
if ip_header.version == 6 and len(ah) % 8 != 0:
# For IPv6, the total length of the header must be a multiple of
# 8-octet units.
ah.padding = chr(0) * (-len(ah) % 8)
elif len(ah) % 4 != 0:
# For IPv4, the total length of the header must be a multiple of
# 4-octet units.
ah.padding = chr(0) * (-len(ah) % 4)
# RFC 4302 - Section 2.2. Payload Length
# This 8-bit field specifies the length of AH in 32-bit words (4-byte
# units), minus "2".
ah.payloadlen = len(ah) / 4 - 2
if ip_header.version == 4:
ip_header.len = len(ip_header) + len(ah) + len(payload)
del ip_header.chksum
ip_header = ip_header.__class__(str(ip_header))
else:
ip_header.plen = len(ip_header.payload) + len(ah) + len(payload)
signed_pkt = self.auth_algo.sign(ip_header / ah / payload, self.auth_key)
# sequence number must always change, unless specified by the user
if seq_num is None:
self.seq_num += 1
return signed_pkt 示例2: _encrypt_ah
# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_AH [as 别名]
def _encrypt_ah(self, pkt, seq_num=None, esn_en=False, esn=0):
ah = AH(spi=self.spi, seq=seq_num or self.seq_num,
icv=b"\x00" * self.auth_algo.icv_size)
if self.tunnel_header:
tunnel = self.tunnel_header.copy()
if tunnel.version == 4:
del tunnel.proto
del tunnel.len
del tunnel.chksum
else:
del tunnel.nh
del tunnel.plen
pkt = tunnel.__class__(raw(tunnel / pkt))
ip_header, nh, payload = split_for_transport(pkt, socket.IPPROTO_AH)
ah.nh = nh
if ip_header.version == 6 and len(ah) % 8 != 0:
# For IPv6, the total length of the header must be a multiple of
# 8-octet units.
ah.padding = b"\x00" * (-len(ah) % 8)
elif len(ah) % 4 != 0:
# For IPv4, the total length of the header must be a multiple of
# 4-octet units.
ah.padding = b"\x00" * (-len(ah) % 4)
# RFC 4302 - Section 2.2. Payload Length
# This 8-bit field specifies the length of AH in 32-bit words (4-byte
# units), minus "2".
ah.payloadlen = len(ah) // 4 - 2
if ip_header.version == 4:
ip_header.len = len(ip_header) + len(ah) + len(payload)
del ip_header.chksum
ip_header = ip_header.__class__(raw(ip_header))
else:
ip_header.plen = len(ip_header.payload) + len(ah) + len(payload)
signed_pkt = self.auth_algo.sign(ip_header / ah / payload,
self.auth_key,
esn_en=esn_en or self.esn_en,
esn=esn or self.esn)
# sequence number must always change, unless specified by the user
if seq_num is None:
self.seq_num += 1
return signed_pkt 示例3: _encrypt_ah
# 需要导入模块: import socket [as 别名]
# 或者: from socket import IPPROTO_AH [as 别名]
def _encrypt_ah(self, pkt, seq_num=None):
ah = AH(spi=self.spi, seq=seq_num or self.seq_num,
icv=chr(0) * self.auth_algo.icv_size)
if self.tunnel_header:
tunnel = self.tunnel_header.copy()
if tunnel.version == 4:
del tunnel.proto
del tunnel.len
del tunnel.chksum
else:
del tunnel.nh
del tunnel.plen
pkt = tunnel.__class__(bytes(tunnel / pkt))
ip_header, nh, payload = split_for_transport(pkt, socket.IPPROTO_AH)
ah.nh = nh
if ip_header.version == 6 and len(ah) % 8 != 0:
# For IPv6, the total length of the header must be a multiple of
# 8-octet units.
ah.padding = chr(0) * (-len(ah) % 8)
elif len(ah) % 4 != 0:
# For IPv4, the total length of the header must be a multiple of
# 4-octet units.
ah.padding = chr(0) * (-len(ah) % 4)
# RFC 4302 - Section 2.2. Payload Length
# This 8-bit field specifies the length of AH in 32-bit words (4-byte
# units), minus "2".
ah.payloadlen = len(ah) // 4 - 2
if ip_header.version == 4:
ip_header.len = len(ip_header) + len(ah) + len(payload)
del ip_header.chksum
ip_header = ip_header.__class__(bytes(ip_header))
else:
ip_header.plen = len(ip_header.payload) + len(ah) + len(payload)
signed_pkt = self.auth_algo.sign(ip_header / ah / payload, self.auth_key)
# sequence number must always change, unless specified by the user
if seq_num is None:
self.seq_num += 1
return signed_pkt