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Persist TGT and ST obtained during kerberosLogin #2193

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Persist TGT and ST obtained during kerberosLogin #2193

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4 changes: 4 additions & 0 deletions impacket/smb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3488,6 +3488,8 @@ def kerberos_login(self, user, password, domain = '', lmhash = '', nthash = '',
if TGT is None:
if TGS is None:
tgt, cipher, oldSessionKey, sessionKey = getKerberosTGT(userName, password, domain, lmhash, nthash, aesKey, kdcHost)
# Persist the TGT we just obtained so callers can reuse it through getCredentials()
self.__TGT = {'KDC_REP': tgt, 'cipher': cipher, 'sessionKey': sessionKey}
else:
tgt = TGT['KDC_REP']
cipher = TGT['cipher']
Expand All @@ -3498,6 +3500,8 @@ def kerberos_login(self, user, password, domain = '', lmhash = '', nthash = '',
if TGS is None:
serverName = Principal('cifs/%s' % self.__remote_name, type=constants.PrincipalNameType.NT_SRV_INST.value)
tgs, cipher, oldSessionKey, sessionKey = getKerberosTGS(serverName, domain, kdcHost, tgt, cipher, sessionKey)
# Persist the ST we just obtained so callers can reuse it through getCredentials()
self.__TGS = {'KDC_REP': tgs, 'cipher': cipher, 'sessionKey': sessionKey}
else:
tgs = TGS['KDC_REP']
cipher = TGS['cipher']
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4 changes: 4 additions & 0 deletions impacket/smb3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -745,6 +745,8 @@ def kerberosLogin(self, user, password, domain = '', lmhash = '', nthash = '', a
if TGT is None:
if TGS is None:
tgt, cipher, oldSessionKey, sessionKey = getKerberosTGT(userName, password, domain, lmhash, nthash, aesKey, kdcHost)
# Persist the TGT we just obtained so callers can reuse it through getCredentials()
self.__TGT = {'KDC_REP': tgt, 'cipher': cipher, 'sessionKey': sessionKey}
else:
tgt = TGT['KDC_REP']
cipher = TGT['cipher']
Expand All @@ -769,6 +771,8 @@ def kerberosLogin(self, user, password, domain = '', lmhash = '', nthash = '', a
if TGS is None:
serverName = Principal('cifs/%s' % (self._Connection['ServerName']), type=constants.PrincipalNameType.NT_SRV_INST.value)
tgs, cipher, oldSessionKey, sessionKey = getKerberosTGS(serverName, domain, kdcHost, tgt, cipher, sessionKey)
# Persist the ST we just obtained so callers can reuse it through getCredentials()
self.__TGS = {'KDC_REP': tgs, 'cipher': cipher, 'sessionKey': sessionKey}
else:
tgs = TGS['KDC_REP']
cipher = TGS['cipher']
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