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radiusd: add mschapv2 domain #4644

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Merged
gpotter2 merged 1 commit into from
Jan 24, 2025
+19 −6
Merged

radiusd: add mschapv2 domain #4644

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25 changes: 19 additions & 6 deletions scapy/layers/radius.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1528,6 +1528,7 @@ def parse_options(self,
IDENTITIES=None,
IDENTITIES_MSCHAPv2=None,
servicetype=None,
mschapdomain=None,
extra_attributes=[]):
"""
This provides a tiny RADIUS daemon that answers Access-Request messages.
Expand All @@ -1545,10 +1546,12 @@ def parse_options(self,
{"username": b"HashNT"}. The HashNT can be obtained
using MD4le(). If IDENTITIES is provided, this will be calculated.
:param servicetype: the Service-Type to answer.
:param mschapdomain: the MS-CHAP-DOMAIN to answer if MS-CHAP* is used.
:param extra_attributes: a list of extra Radius attributes
"""
self.secret = bytes_encode(secret)
self.servicetype = servicetype
self.mschapdomain = mschapdomain
self.extra_attributes = extra_attributes
if not IDENTITIES:
IDENTITIES = {}
Expand Down Expand Up @@ -1678,17 +1681,27 @@ def make_reply(self, req):
AuthenticatorChallenge,
UserName,
)
succ = MS_CHAP2_Success(
Ident=response.Ident,
String="S=%s" % auth_string.hex().upper()
)
rad.attributes.append(
RadiusAttr_Vendor_Specific(
vendor_id=311,
vendor_type=26,
value=succ,
vendor_type="MS-CHAP2-Success",
value=MS_CHAP2_Success(
Ident=response.Ident,
String="S=%s" % auth_string.hex().upper()
)
)
)
if self.mschapdomain is not None:
rad.attributes.append(
RadiusAttr_Vendor_Specific(
vendor_id=311,
vendor_type="MS-CHAP-Domain",
value=MS_CHAP_Domain(
Ident=response.Ident,
String=self.mschapdomain,
)
)
)
else:
raise Scapy_Exception(
"Authentication method not provided or unsupported !"
Expand Down
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