From 49e7ef60cb38d9f539d70d7a1e85cea5d350a203 Mon Sep 17 00:00:00 2001 From: Neale Ranns Date: Wed, 10 Apr 2019 17:24:29 +0000 Subject: IPSEC: ESP with ESN tests and fixes Change-Id: Ie42b26e6d5cdb7b23f370ea2933c65079e8d1089 Signed-off-by: Neale Ranns --- test/patches/scapy-2.4/ipsec.patch | 35 +++++++++++++++++++++-------------- 1 file changed, 21 insertions(+), 14 deletions(-) (limited to 'test/patches') diff --git a/test/patches/scapy-2.4/ipsec.patch b/test/patches/scapy-2.4/ipsec.patch index 5a644327596..b19112db2b7 100644 --- a/test/patches/scapy-2.4/ipsec.patch +++ b/test/patches/scapy-2.4/ipsec.patch @@ -1,8 +1,8 @@ diff --git a/scapy/layers/ipsec.py b/scapy/layers/ipsec.py -index 69e7ae3b..99373466 100644 +index 69e7ae3b..b35da2b1 100644 --- a/scapy/layers/ipsec.py +++ b/scapy/layers/ipsec.py -@@ -518,12 +517,16 @@ class AuthAlgo(object): +@@ -518,12 +518,16 @@ class AuthAlgo(object): else: return self.mac(key, self.digestmod(), default_backend()) @@ -20,7 +20,14 @@ index 69e7ae3b..99373466 100644 @return: the signed packet """ -@@ -539,11 +542,13 @@ class AuthAlgo(object): +@@ -534,16 +538,20 @@ class AuthAlgo(object): + + if pkt.haslayer(ESP): + mac.update(raw(pkt[ESP])) ++ if trailer: ++ mac.update(trailer) + pkt[ESP].data += mac.finalize()[:self.icv_size] + elif pkt.haslayer(AH): clone = zero_mutable_fields(pkt.copy(), sending=True) mac.update(raw(clone)) @@ -35,7 +42,7 @@ index 69e7ae3b..99373466 100644 """ Check that the integrity check value (icv) of a packet is valid. -@@ -574,6 +579,8 @@ class AuthAlgo(object): +@@ -574,6 +582,8 @@ class AuthAlgo(object): clone = zero_mutable_fields(pkt.copy(), sending=False) mac.update(raw(clone)) @@ -44,7 +51,7 @@ index 69e7ae3b..99373466 100644 computed_icv = mac.finalize()[:self.icv_size] # XXX: Cannot use mac.verify because the ICV can be truncated -@@ -757,7 +764,8 @@ class SecurityAssociation(object): +@@ -757,7 +767,8 @@ class SecurityAssociation(object): SUPPORTED_PROTOS = (IP, IPv6) def __init__(self, proto, spi, seq_num=1, crypt_algo=None, crypt_key=None, @@ -54,7 +61,7 @@ index 69e7ae3b..99373466 100644 """ @param proto: the IPsec proto to use (ESP or AH) @param spi: the Security Parameters Index of this SA -@@ -771,6 +779,7 @@ class SecurityAssociation(object): +@@ -771,6 +782,7 @@ 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. @@ -62,7 +69,7 @@ index 69e7ae3b..99373466 100644 """ if proto not in (ESP, AH, ESP.name, AH.name): -@@ -782,6 +791,7 @@ class SecurityAssociation(object): +@@ -782,6 +794,7 @@ class SecurityAssociation(object): self.spi = spi self.seq_num = seq_num @@ -70,7 +77,7 @@ index 69e7ae3b..99373466 100644 if crypt_algo: if crypt_algo not in CRYPT_ALGOS: -@@ -827,6 +837,17 @@ class SecurityAssociation(object): +@@ -827,6 +840,17 @@ class SecurityAssociation(object): raise TypeError('packet spi=0x%x does not match the SA spi=0x%x' % (pkt.spi, self.spi)) @@ -88,7 +95,7 @@ index 69e7ae3b..99373466 100644 def _encrypt_esp(self, pkt, seq_num=None, iv=None): if iv is None: -@@ -835,7 +856,8 @@ class SecurityAssociation(object): +@@ -835,7 +859,8 @@ class SecurityAssociation(object): if len(iv) != self.crypt_algo.iv_size: raise TypeError('iv length must be %s' % self.crypt_algo.iv_size) @@ -98,7 +105,7 @@ index 69e7ae3b..99373466 100644 if self.tunnel_header: tunnel = self.tunnel_header.copy() -@@ -857,7 +879,7 @@ class SecurityAssociation(object): +@@ -857,7 +882,7 @@ class SecurityAssociation(object): esp = self.crypt_algo.pad(esp) esp = self.crypt_algo.encrypt(self, esp, self.crypt_key) @@ -107,7 +114,7 @@ index 69e7ae3b..99373466 100644 if self.nat_t_header: nat_t_header = self.nat_t_header.copy() -@@ -884,7 +906,8 @@ class SecurityAssociation(object): +@@ -884,7 +909,8 @@ class SecurityAssociation(object): def _encrypt_ah(self, pkt, seq_num=None): @@ -117,7 +124,7 @@ index 69e7ae3b..99373466 100644 icv = b"\x00" * self.auth_algo.icv_size) if self.tunnel_header: -@@ -924,7 +947,8 @@ class SecurityAssociation(object): +@@ -924,7 +950,8 @@ class SecurityAssociation(object): else: ip_header.plen = len(ip_header.payload) + len(ah) + len(payload) @@ -127,7 +134,7 @@ index 69e7ae3b..99373466 100644 # sequence number must always change, unless specified by the user if seq_num is None: -@@ -955,11 +979,12 @@ class SecurityAssociation(object): +@@ -955,11 +982,12 @@ class SecurityAssociation(object): def _decrypt_esp(self, pkt, verify=True): @@ -141,7 +148,7 @@ index 69e7ae3b..99373466 100644 esp = self.crypt_algo.decrypt(self, encrypted, self.crypt_key, self.crypt_algo.icv_size or -@@ -998,9 +1023,11 @@ class SecurityAssociation(object): +@@ -998,9 +1026,11 @@ class SecurityAssociation(object): def _decrypt_ah(self, pkt, verify=True): -- cgit 1.2.3-korg