diff options
Diffstat (limited to 'test/patches/scapy-2.4.3/ipsec.patch')
| -rw-r--r-- | test/patches/scapy-2.4.3/ipsec.patch | 77 |
1 files changed, 49 insertions, 28 deletions
diff --git a/test/patches/scapy-2.4.3/ipsec.patch b/test/patches/scapy-2.4.3/ipsec.patch index 12c24e5057f..bfa27d20abb 100644 --- a/test/patches/scapy-2.4.3/ipsec.patch +++ b/test/patches/scapy-2.4.3/ipsec.patch @@ -1,5 +1,5 @@ diff --git a/scapy/layers/ipsec.py b/scapy/layers/ipsec.py -index ae057ee1..d7a21e8b 100644 +index ae057ee1..b6806f71 100644 --- a/scapy/layers/ipsec.py +++ b/scapy/layers/ipsec.py @@ -56,6 +56,7 @@ from scapy.fields import ByteEnumField, ByteField, IntField, PacketField, \ @@ -10,15 +10,7 @@ index ae057ee1..d7a21e8b 100644 import scapy.modules.six as six from scapy.modules.six.moves import range from scapy.layers.inet6 import IPv6, IPv6ExtHdrHopByHop, IPv6ExtHdrDestOpt, \ -@@ -138,6 +139,7 @@ bind_layers(IP, ESP, proto=socket.IPPROTO_ESP) - bind_layers(IPv6, ESP, nh=socket.IPPROTO_ESP) - bind_layers(UDP, ESP, dport=4500) # NAT-Traversal encapsulation - bind_layers(UDP, ESP, sport=4500) # NAT-Traversal encapsulation -+bind_layers(UDP, ESP, dport=4545) # NAT-Traversal encapsulation - random port - - ############################################################################### - -@@ -359,11 +361,8 @@ class CryptAlgo(object): +@@ -359,13 +360,17 @@ class CryptAlgo(object): encryptor = cipher.encryptor() if self.is_aead: @@ -26,15 +18,29 @@ index ae057ee1..d7a21e8b 100644 - aad = struct.pack('!LLL', esp.spi, esn, esp.seq) - else: - aad = struct.pack('!LL', esp.spi, esp.seq) -- encryptor.authenticate_additional_data(aad) -+ encryptor.authenticate_additional_data(sa.build_aead(esp)) ++ aad = sa.build_aead(esp) ++ if self.name == 'AES-NULL-GMAC': ++ aad = aad + esp.iv + data ++ aes_null_gmac_data = data ++ data = b'' + encryptor.authenticate_additional_data(aad) + data = encryptor.update(data) + encryptor.finalize() data += encryptor.tag[:self.icv_size] ++ if self.name == 'AES-NULL-GMAC': ++ data = aes_null_gmac_data + data else: -@@ -400,12 +399,7 @@ class CryptAlgo(object): + data = encryptor.update(data) + encryptor.finalize() + +@@ -399,17 +404,19 @@ class CryptAlgo(object): + decryptor = cipher.decryptor() if self.is_aead: ++ aad = sa.build_aead(esp) ++ if self.name == 'AES-NULL-GMAC': ++ aad = aad + iv + data ++ aes_null_gmac_data = data ++ data = b'' # Tag value check is done during the finalize method - if esn_en: - decryptor.authenticate_additional_data( @@ -42,11 +48,17 @@ index ae057ee1..d7a21e8b 100644 - else: - decryptor.authenticate_additional_data( - struct.pack('!LL', esp.spi, esp.seq)) -+ decryptor.authenticate_additional_data(sa.build_aead(esp)) ++ decryptor.authenticate_additional_data(aad) try: data = decryptor.update(data) + decryptor.finalize() except InvalidTag as err: -@@ -445,6 +439,7 @@ if algorithms: + raise IPSecIntegrityError(err) ++ if self.name == 'AES-NULL-GMAC': ++ data = aes_null_gmac_data + data + + # extract padlen and nh + padlen = orb(data[-2]) +@@ -445,6 +452,7 @@ if algorithms: CRYPT_ALGOS['AES-CTR'] = CryptAlgo('AES-CTR', cipher=algorithms.AES, mode=modes.CTR, @@ -54,7 +66,7 @@ index ae057ee1..d7a21e8b 100644 iv_size=8, salt_size=4, format_mode_iv=_aes_ctr_format_mode_iv) -@@ -452,6 +447,7 @@ if algorithms: +@@ -452,14 +460,24 @@ if algorithms: CRYPT_ALGOS['AES-GCM'] = CryptAlgo('AES-GCM', cipher=algorithms.AES, mode=modes.GCM, @@ -62,7 +74,16 @@ index ae057ee1..d7a21e8b 100644 salt_size=4, iv_size=8, icv_size=16, -@@ -460,6 +456,7 @@ if algorithms: + format_mode_iv=_salt_format_mode_iv) ++ CRYPT_ALGOS['AES-NULL-GMAC'] = CryptAlgo('AES-NULL-GMAC', ++ cipher=algorithms.AES, ++ mode=modes.GCM, ++ block_size=1, ++ salt_size=4, ++ iv_size=8, ++ icv_size=16, ++ format_mode_iv=_salt_format_mode_iv) + if hasattr(modes, 'CCM'): CRYPT_ALGOS['AES-CCM'] = CryptAlgo('AES-CCM', cipher=algorithms.AES, mode=modes.CCM, @@ -70,7 +91,7 @@ index ae057ee1..d7a21e8b 100644 iv_size=8, salt_size=3, icv_size=16, -@@ -544,7 +541,7 @@ class AuthAlgo(object): +@@ -544,7 +562,7 @@ class AuthAlgo(object): else: return self.mac(key, self.digestmod(), default_backend()) @@ -79,7 +100,7 @@ index ae057ee1..d7a21e8b 100644 """ Sign an IPsec (ESP or AH) packet with this algo. -@@ -560,16 +557,20 @@ class AuthAlgo(object): +@@ -560,16 +578,20 @@ class AuthAlgo(object): if pkt.haslayer(ESP): mac.update(raw(pkt[ESP])) @@ -101,7 +122,7 @@ index ae057ee1..d7a21e8b 100644 """ Check that the integrity check value (icv) of a packet is valid. -@@ -600,6 +601,8 @@ class AuthAlgo(object): +@@ -600,6 +622,8 @@ class AuthAlgo(object): clone = zero_mutable_fields(pkt.copy(), sending=False) mac.update(raw(clone)) @@ -110,7 +131,7 @@ index ae057ee1..d7a21e8b 100644 computed_icv = mac.finalize()[:self.icv_size] # XXX: Cannot use mac.verify because the ICV can be truncated -@@ -788,7 +791,7 @@ class SecurityAssociation(object): +@@ -788,7 +812,7 @@ class SecurityAssociation(object): This class is responsible of "encryption" and "decryption" of IPsec packets. # noqa: E501 """ @@ -119,7 +140,7 @@ index ae057ee1..d7a21e8b 100644 def __init__(self, proto, spi, seq_num=1, crypt_algo=None, crypt_key=None, auth_algo=None, auth_key=None, tunnel_header=None, nat_t_header=None, esn_en=False, esn=0): # noqa: E501 -@@ -862,6 +865,23 @@ class SecurityAssociation(object): +@@ -862,6 +886,23 @@ class SecurityAssociation(object): raise TypeError('nat_t_header must be %s' % UDP.name) self.nat_t_header = nat_t_header @@ -143,7 +164,7 @@ index ae057ee1..d7a21e8b 100644 def check_spi(self, pkt): if pkt.spi != self.spi: raise TypeError('packet spi=0x%x does not match the SA spi=0x%x' % -@@ -875,7 +895,8 @@ class SecurityAssociation(object): +@@ -875,7 +916,8 @@ class SecurityAssociation(object): if len(iv) != self.crypt_algo.iv_size: raise TypeError('iv length must be %s' % self.crypt_algo.iv_size) # noqa: E501 @@ -153,7 +174,7 @@ index ae057ee1..d7a21e8b 100644 if self.tunnel_header: tunnel = self.tunnel_header.copy() -@@ -899,7 +920,7 @@ class SecurityAssociation(object): +@@ -899,7 +941,7 @@ class SecurityAssociation(object): esn_en=esn_en or self.esn_en, esn=esn or self.esn) @@ -162,7 +183,7 @@ index ae057ee1..d7a21e8b 100644 if self.nat_t_header: nat_t_header = self.nat_t_header.copy() -@@ -926,7 +947,8 @@ class SecurityAssociation(object): +@@ -926,7 +968,8 @@ class SecurityAssociation(object): def _encrypt_ah(self, pkt, seq_num=None): @@ -172,7 +193,7 @@ index ae057ee1..d7a21e8b 100644 icv=b"\x00" * self.auth_algo.icv_size) if self.tunnel_header: -@@ -966,7 +988,8 @@ class SecurityAssociation(object): +@@ -966,7 +1009,8 @@ class SecurityAssociation(object): else: ip_header.plen = len(ip_header.payload) + len(ah) + len(payload) @@ -182,7 +203,7 @@ index ae057ee1..d7a21e8b 100644 # sequence number must always change, unless specified by the user if seq_num is None: -@@ -1003,11 +1026,12 @@ class SecurityAssociation(object): +@@ -1003,11 +1047,12 @@ class SecurityAssociation(object): def _decrypt_esp(self, pkt, verify=True, esn_en=None, esn=None): @@ -196,7 +217,7 @@ index ae057ee1..d7a21e8b 100644 esp = self.crypt_algo.decrypt(self, encrypted, self.crypt_key, self.crypt_algo.icv_size or -@@ -1048,9 +1072,10 @@ class SecurityAssociation(object): +@@ -1048,9 +1093,10 @@ class SecurityAssociation(object): def _decrypt_ah(self, pkt, verify=True): |