diff options
Diffstat (limited to 'test/patches/scapy-2.4')
| -rw-r--r-- | test/patches/scapy-2.4/ipsec.patch | 52 |
1 files changed, 37 insertions, 15 deletions
diff --git a/test/patches/scapy-2.4/ipsec.patch b/test/patches/scapy-2.4/ipsec.patch index b19112db2b7..731fe3ccc25 100644 --- a/test/patches/scapy-2.4/ipsec.patch +++ b/test/patches/scapy-2.4/ipsec.patch @@ -1,8 +1,30 @@ diff --git a/scapy/layers/ipsec.py b/scapy/layers/ipsec.py -index 69e7ae3b..b35da2b1 100644 +index 69e7ae3b..0c69ba1a 100644 --- a/scapy/layers/ipsec.py +++ b/scapy/layers/ipsec.py -@@ -518,12 +518,16 @@ class AuthAlgo(object): +@@ -344,7 +344,8 @@ class CryptAlgo(object): + encryptor = cipher.encryptor() + + if self.is_aead: +- aad = struct.pack('!LL', esp.spi, esp.seq) ++ aad = struct.pack('!LQ' if sa.use_esn else '!LL', ++ esp.spi, esp.seq) + encryptor.authenticate_additional_data(aad) + data = encryptor.update(data) + encryptor.finalize() + data += encryptor.tag[:self.icv_size] +@@ -381,9 +382,9 @@ class CryptAlgo(object): + if self.is_aead: + # Tag value check is done during the finalize method + decryptor.authenticate_additional_data( +- struct.pack('!LL', esp.spi, esp.seq) ++ struct.pack('!LQ' if sa.use_esn else '!LL', ++ esp.spi, esp.seq) + ) +- + try: + data = decryptor.update(data) + decryptor.finalize() + except InvalidTag as err: +@@ -518,12 +519,16 @@ class AuthAlgo(object): else: return self.mac(key, self.digestmod(), default_backend()) @@ -20,7 +42,7 @@ index 69e7ae3b..b35da2b1 100644 @return: the signed packet """ -@@ -534,16 +538,20 @@ class AuthAlgo(object): +@@ -534,16 +539,20 @@ class AuthAlgo(object): if pkt.haslayer(ESP): mac.update(raw(pkt[ESP])) @@ -42,7 +64,7 @@ index 69e7ae3b..b35da2b1 100644 """ Check that the integrity check value (icv) of a packet is valid. -@@ -574,6 +582,8 @@ class AuthAlgo(object): +@@ -574,6 +583,8 @@ class AuthAlgo(object): clone = zero_mutable_fields(pkt.copy(), sending=False) mac.update(raw(clone)) @@ -51,7 +73,7 @@ index 69e7ae3b..b35da2b1 100644 computed_icv = mac.finalize()[:self.icv_size] # XXX: Cannot use mac.verify because the ICV can be truncated -@@ -757,7 +767,8 @@ class SecurityAssociation(object): +@@ -757,7 +768,8 @@ class SecurityAssociation(object): SUPPORTED_PROTOS = (IP, IPv6) def __init__(self, proto, spi, seq_num=1, crypt_algo=None, crypt_key=None, @@ -61,7 +83,7 @@ index 69e7ae3b..b35da2b1 100644 """ @param proto: the IPsec proto to use (ESP or AH) @param spi: the Security Parameters Index of this SA -@@ -771,6 +782,7 @@ class SecurityAssociation(object): +@@ -771,6 +783,7 @@ class SecurityAssociation(object): to encapsulate the encrypted packets. @param nat_t_header: an instance of a UDP header that will be used for NAT-Traversal. @@ -69,7 +91,7 @@ index 69e7ae3b..b35da2b1 100644 """ if proto not in (ESP, AH, ESP.name, AH.name): -@@ -782,6 +794,7 @@ class SecurityAssociation(object): +@@ -782,6 +795,7 @@ class SecurityAssociation(object): self.spi = spi self.seq_num = seq_num @@ -77,7 +99,7 @@ index 69e7ae3b..b35da2b1 100644 if crypt_algo: if crypt_algo not in CRYPT_ALGOS: -@@ -827,6 +840,17 @@ class SecurityAssociation(object): +@@ -827,6 +841,17 @@ class SecurityAssociation(object): raise TypeError('packet spi=0x%x does not match the SA spi=0x%x' % (pkt.spi, self.spi)) @@ -88,14 +110,14 @@ index 69e7ae3b..b35da2b1 100644 + upper = num >> 32 + + if self.use_esn: -+ return lower, struct.pack(">I", upper) ++ return lower, struct.pack("!I", upper) + else: + return lower, None + def _encrypt_esp(self, pkt, seq_num=None, iv=None): if iv is None: -@@ -835,7 +859,8 @@ class SecurityAssociation(object): +@@ -835,7 +860,8 @@ class SecurityAssociation(object): if len(iv) != self.crypt_algo.iv_size: raise TypeError('iv length must be %s' % self.crypt_algo.iv_size) @@ -105,7 +127,7 @@ index 69e7ae3b..b35da2b1 100644 if self.tunnel_header: tunnel = self.tunnel_header.copy() -@@ -857,7 +882,7 @@ class SecurityAssociation(object): +@@ -857,7 +883,7 @@ class SecurityAssociation(object): esp = self.crypt_algo.pad(esp) esp = self.crypt_algo.encrypt(self, esp, self.crypt_key) @@ -114,7 +136,7 @@ index 69e7ae3b..b35da2b1 100644 if self.nat_t_header: nat_t_header = self.nat_t_header.copy() -@@ -884,7 +909,8 @@ class SecurityAssociation(object): +@@ -884,7 +910,8 @@ class SecurityAssociation(object): def _encrypt_ah(self, pkt, seq_num=None): @@ -124,7 +146,7 @@ index 69e7ae3b..b35da2b1 100644 icv = b"\x00" * self.auth_algo.icv_size) if self.tunnel_header: -@@ -924,7 +950,8 @@ class SecurityAssociation(object): +@@ -924,7 +951,8 @@ class SecurityAssociation(object): else: ip_header.plen = len(ip_header.payload) + len(ah) + len(payload) @@ -134,7 +156,7 @@ index 69e7ae3b..b35da2b1 100644 # sequence number must always change, unless specified by the user if seq_num is None: -@@ -955,11 +982,12 @@ class SecurityAssociation(object): +@@ -955,11 +983,12 @@ class SecurityAssociation(object): def _decrypt_esp(self, pkt, verify=True): @@ -148,7 +170,7 @@ index 69e7ae3b..b35da2b1 100644 esp = self.crypt_algo.decrypt(self, encrypted, self.crypt_key, self.crypt_algo.icv_size or -@@ -998,9 +1026,11 @@ class SecurityAssociation(object): +@@ -998,9 +1027,11 @@ class SecurityAssociation(object): def _decrypt_ah(self, pkt, verify=True): |