diff options
Diffstat (limited to 'test/patches/scapy-2.4.5/ipsec.patch')
| -rw-r--r-- | test/patches/scapy-2.4.5/ipsec.patch | 52 |
1 files changed, 35 insertions, 17 deletions
diff --git a/test/patches/scapy-2.4.5/ipsec.patch b/test/patches/scapy-2.4.5/ipsec.patch index 5cc197a01b4..46280ce23c4 100644 --- a/test/patches/scapy-2.4.5/ipsec.patch +++ b/test/patches/scapy-2.4.5/ipsec.patch @@ -1,5 +1,5 @@ diff --git a/scapy/layers/ipsec.py b/scapy/layers/ipsec.py -index 8251dc14..a8390fc5 100644 +index 8251dc14..bbb71102 100644 --- a/scapy/layers/ipsec.py +++ b/scapy/layers/ipsec.py @@ -60,7 +60,7 @@ import scapy.modules.six as six @@ -80,7 +80,7 @@ index 8251dc14..a8390fc5 100644 """ Sign an IPsec (ESP or AH) packet with this algo. -@@ -565,6 +577,8 @@ class AuthAlgo(object): +@@ -565,20 +577,20 @@ class AuthAlgo(object): if pkt.haslayer(ESP): mac.update(raw(pkt[ESP])) @@ -89,10 +89,13 @@ index 8251dc14..a8390fc5 100644 pkt[ESP].data += mac.finalize()[:self.icv_size] elif pkt.haslayer(AH): -@@ -574,11 +588,13 @@ class AuthAlgo(object): - else: - temp = raw(clone) - mac.update(temp) + clone = zero_mutable_fields(pkt.copy(), sending=True) +- if esn_en: +- temp = raw(clone) + struct.pack('!L', esn) +- else: +- temp = raw(clone) +- mac.update(temp) ++ mac.update(raw(clone)) + if trailer: + mac.update(trailer) pkt[AH].icv = mac.finalize()[:self.icv_size] @@ -104,16 +107,31 @@ index 8251dc14..a8390fc5 100644 """ Check that the integrity check value (icv) of a packet is valid. -@@ -617,6 +633,8 @@ class AuthAlgo(object): - temp = raw(clone) +@@ -602,7 +614,6 @@ class AuthAlgo(object): + pkt_icv = pkt.data[len(pkt.data) - self.icv_size:] + clone = pkt.copy() + clone.data = clone.data[:len(clone.data) - self.icv_size] +- temp = raw(clone) - mac.update(temp) + elif pkt.haslayer(AH): + if len(pkt[AH].icv) != self.icv_size: +@@ -611,12 +622,10 @@ class AuthAlgo(object): + pkt[AH].icv = pkt[AH].icv[:self.icv_size] + pkt_icv = pkt[AH].icv + clone = zero_mutable_fields(pkt.copy(), sending=False) +- if esn_en: +- temp = raw(clone) + struct.pack('!L', esn) +- else: +- temp = raw(clone) + +- mac.update(temp) ++ mac.update(raw(clone)) + if trailer: + mac.update(trailer) # bytearray(4)) #raw(trailer)) computed_icv = mac.finalize()[:self.icv_size] # XXX: Cannot use mac.verify because the ICV can be truncated -@@ -805,7 +823,7 @@ class SecurityAssociation(object): +@@ -805,7 +814,7 @@ class SecurityAssociation(object): This class is responsible of "encryption" and "decryption" of IPsec packets. # noqa: E501 """ @@ -122,7 +140,7 @@ index 8251dc14..a8390fc5 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 -@@ -880,6 +898,23 @@ class SecurityAssociation(object): +@@ -880,6 +889,23 @@ class SecurityAssociation(object): raise TypeError('nat_t_header must be %s' % UDP.name) self.nat_t_header = nat_t_header @@ -146,7 +164,7 @@ index 8251dc14..a8390fc5 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' % -@@ -893,7 +928,8 @@ class SecurityAssociation(object): +@@ -893,7 +919,8 @@ 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 @@ -156,7 +174,7 @@ index 8251dc14..a8390fc5 100644 if self.tunnel_header: tunnel = self.tunnel_header.copy() -@@ -917,7 +953,7 @@ class SecurityAssociation(object): +@@ -917,7 +944,7 @@ class SecurityAssociation(object): esn_en=esn_en or self.esn_en, esn=esn or self.esn) @@ -165,7 +183,7 @@ index 8251dc14..a8390fc5 100644 if self.nat_t_header: nat_t_header = self.nat_t_header.copy() -@@ -944,7 +980,8 @@ class SecurityAssociation(object): +@@ -944,7 +971,8 @@ class SecurityAssociation(object): def _encrypt_ah(self, pkt, seq_num=None, esn_en=False, esn=0): @@ -175,7 +193,7 @@ index 8251dc14..a8390fc5 100644 icv=b"\x00" * self.auth_algo.icv_size) if self.tunnel_header: -@@ -985,7 +1022,7 @@ class SecurityAssociation(object): +@@ -985,7 +1013,7 @@ class SecurityAssociation(object): ip_header.plen = len(ip_header.payload) + len(ah) + len(payload) signed_pkt = self.auth_algo.sign(ip_header / ah / payload, @@ -184,7 +202,7 @@ index 8251dc14..a8390fc5 100644 esn_en=esn_en or self.esn_en, esn=esn or self.esn) -@@ -1025,11 +1062,12 @@ class SecurityAssociation(object): +@@ -1025,11 +1053,12 @@ class SecurityAssociation(object): def _decrypt_esp(self, pkt, verify=True, esn_en=None, esn=None): @@ -198,7 +216,7 @@ index 8251dc14..a8390fc5 100644 esp = self.crypt_algo.decrypt(self, encrypted, self.crypt_key, self.crypt_algo.icv_size or -@@ -1070,9 +1108,10 @@ class SecurityAssociation(object): +@@ -1070,9 +1099,10 @@ class SecurityAssociation(object): def _decrypt_ah(self, pkt, verify=True, esn_en=None, esn=None): |