本文整理匯總了Python中socket.IPPROTO_AH屬性的典型用法代碼示例。如果您正苦於以下問題:Python socket.IPPROTO_AH屬性的具體用法?Python socket.IPPROTO_AH怎麽用?Python socket.IPPROTO_AH使用的例子?那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類socket
的用法示例。
在下文中一共展示了socket.IPPROTO_AH屬性的3個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _encrypt_ah
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPPROTO_AH [as 別名]
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
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPPROTO_AH [as 別名]
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
# 需要導入模塊: import socket [as 別名]
# 或者: from socket import IPPROTO_AH [as 別名]
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