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authorNeale Ranns <nranns@cisco.com>2019-04-10 17:24:29 +0000
committerDamjan Marion <dmarion@me.com>2019-04-11 19:42:34 +0000
commit49e7ef60cb38d9f539d70d7a1e85cea5d350a203 (patch)
treedee348f6329d5e5df654256e6eb1a500dc61e52e /test/patches/scapy-2.4
parent11a73973c98a5a10b78f7200e5681859354bb29a (diff)
IPSEC: ESP with ESN tests and fixes
Change-Id: Ie42b26e6d5cdb7b23f370ea2933c65079e8d1089 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'test/patches/scapy-2.4')
-rw-r--r--test/patches/scapy-2.4/ipsec.patch35
1 files changed, 21 insertions, 14 deletions
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):