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corenet: complete explicit exception handling

This commit is contained in:
mich 2020-04-30 13:18:22 +02:00
parent 126b695e51
commit 5830e3b3a0
19 changed files with 106 additions and 106 deletions
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8
pycrate_corenet/HdlrUEIu.py
View File

@ -156,7 +156,7 @@ class UEIuSigStack(SigStack):
return []
try:
PDU_RANAP.from_aper(buf)
except:
except Exception:
asn_ranap_release()
self._log('WNG', 'invalid RANAP PDU transfer-syntax: %s'\
% hexlify(buf).decode('ascii'))
@ -178,7 +178,7 @@ class UEIuSigStack(SigStack):
# RNC-initiated procedure, instantiate it
try:
Proc = RANAPProcRncDispatcher[pdu_rx[1]['procedureCode']](self)
except:
except Exception:
self._log('ERR', 'invalid RANAP PDU, initiatingMessage, code %i'\
% pdu_rx[1]['procedureCode'])
# error cause: protocol, abstract-syntax-error-reject
@ -209,7 +209,7 @@ class UEIuSigStack(SigStack):
# CN-initiated procedure, transfer the PDU to it
try:
Proc = self.Proc[pdu_rx[1]['procedureCode']]
except:
except Exception:
self._log('ERR', 'invalid RANAP PDU, %s, code %i'\
% (pdu_rx[0], pdu_rx[1]['procedureCode']))
# error cause: protocol, message-not-compatible-with-receiver-state
@ -244,7 +244,7 @@ class UEIuSigStack(SigStack):
return None
try:
Proc = ProcClass(self)
except:
except Exception:
# no active Iu link
self._log('ERR', 'no active Iu link to initialize the RANAP procedure %s'\
% ProcClass.__name__)

2
pycrate_corenet/HdlrUENG.py
View File

@ -148,7 +148,7 @@ class UEFGMMd(SigStack):
Proc = self.init_proc(ProcClass, encod={ProcClass.Init: IEs}, fgmm_preempt=True, sec=sec)
try:
NgapTxProc = Proc.output()
except:
except Exception:
self._log('ERR', 'invalid IEs for network-initiated procedure %s' % Proc.Name)
Proc.abort()
return False, Proc

18
pycrate_corenet/HdlrUES1.py
View File

@ -526,7 +526,7 @@ class UEEMMd(SigStack):
def set_sec_ctx_smc(self, ksi):
try:
secctx = self.S1.SEC[ksi]
except:
except Exception:
pass
else:
secctx['EEA'], secctx['EIA'] = self._get_sec_eea(), self._get_sec_eia()
@ -639,7 +639,7 @@ class UEEMMd(SigStack):
Proc = self.init_proc(ProcClass, encod={ProcClass.Init: IEs}, emm_preempt=True, sec=sec)
try:
S1apTxProc = Proc.output()
except:
except Exception:
self._log('ERR', 'invalid IEs for network-initiated procedure %s' % Proc.Name)
Proc.abort()
return False, Proc
@ -953,7 +953,7 @@ class UEESMd(SigStack):
"""
try:
trans = self.Trans[trans_id]
except:
except Exception:
# err cause 47: PTI mismatch
return None, 47
#
@ -1308,7 +1308,7 @@ class UES1d(SigStack):
# eNB-initiated procedure, instantiate it
try:
Proc = S1APProcEnbDispatcher[pdu_rx[1]['procedureCode']](self)
except:
except Exception:
self._log('ERR', 'invalid S1AP PDU, initiatingMessage, code %i'\
% pdu_rx[1]['procedureCode'])
errcause = ('protocol', 'abstract-syntax-error-reject')
@ -1340,7 +1340,7 @@ class UES1d(SigStack):
# CN-initiated procedure, transfer the PDU to it
try:
Proc = self.Proc[pdu_rx[1]['procedureCode']]
except:
except Exception:
self._log('ERR', 'invalid S1AP PDU, %s, code %i'\
% (pdu_rx[0], pdu_rx[1]['procedureCode']))
errcause = ('protocol', 'message-not-compatible-with-receiver-state')
@ -1385,7 +1385,7 @@ class UES1d(SigStack):
return None
try:
Proc = ProcClass(self)
except:
except Exception:
# no active S1 link
self._log('ERR', 'no active S1 link to initialize the S1AP procedure %s'\
% ProcClass.__name__)
@ -1755,7 +1755,7 @@ class UES1d(SigStack):
if sh == 2:
NasTxSec.encrypt(secctx['Knasenc'], 1, secctx['EEA'], sqnmsb)
NasTxSec.mac_compute(secctx['Knasint'], 1, secctx['EIA'], sqnmsb)
except:
except Exception:
self._log('ERR', 'NAS SEC DL: unable to protect the NAS message %s' % NasTx._name)
#self.reset_sec_ctx()
return None
@ -1869,7 +1869,7 @@ class UES1d(SigStack):
tai = (self.UE.PLMN, self.UE.TAC)
try:
enbs = [self.Server.RAN[enbid] for enbid in self.Server.TAI[tai]]
except:
except Exception:
self._log('ERR', 'paging: no eNB serving the UE TAI %s.%.4x' % tai)
return
#
@ -1895,7 +1895,7 @@ class UES1d(SigStack):
tai = (self.UE.PLMN, self.UE.TAC)
try:
enbs = [self.Server.RAN[enbid] for enbid in self.Server.TAI[tai]]
except:
except Exception:
self._log('ERR', 'paging: no eNB serving the UE TAI %s.%.4x' % tai)
return False
#

22
pycrate_corenet/ProcCNEMM.py
View File

@ -147,7 +147,7 @@ class EMMSigProc(NASSigProc):
try:
if self.EMM.Proc[-1] == self:
del self.EMM.Proc[-1]
except:
except Exception:
self._log('WNG', 'EMM stack corrupted')
else:
if self._emm_preempt:
@ -903,7 +903,7 @@ class EMMAttach(EMMSigProc):
# -> we need to get its IMSI before continuing
try:
del self.UE.Server._UEpre[self.UE.MTMSI]
except:
except Exception:
pass
#
if self.UEInfo['EPSID'][0] == 1:
@ -924,7 +924,7 @@ class EMMAttach(EMMSigProc):
try:
secctx = self.S1.SEC[self.S1.SEC['KSI']]
secctx['UL_enb'] = self._nas_rx._ulcnt
except:
except Exception:
pass
if self.EMM.require_smc(self):
return self._ret_smc(self.UEInfo['NAS_KSI'])
@ -966,7 +966,7 @@ class EMMAttach(EMMSigProc):
try:
secctx = self.S1.SEC[self.S1.SEC['KSI']]
secctx['UL_enb'] = self._nas_rx._ulcnt
except:
except Exception:
pass
if self.EMM.require_smc(self):
return self._ret_smc(self.UEInfo['NAS_KSI'])
@ -1147,7 +1147,7 @@ class EMMDetachUE(EMMSigProc):
# just delete it
try:
del self.UE.Server._UEpre[self.UE.MTMSI]
except:
except Exception:
pass
def process(self, pdu):
@ -1378,7 +1378,7 @@ class EMMTrackingAreaUpdate(EMMSigProc):
# -> we need to get its IMSI before continuing
try:
del self.UE.Server._UEpre[self.UE.MTMSI]
except:
except Exception:
pass
# need to request the IMSI, prepare an id request procedure
return self._ret_req_imsi()
@ -1391,7 +1391,7 @@ class EMMTrackingAreaUpdate(EMMSigProc):
try:
secctx = self.S1.SEC[self.S1.SEC['KSI']]
secctx['UL_enb'] = self._nas_rx._ulcnt
except:
except Exception:
pass
if self.EMM.require_smc(self):
return self._ret_smc(self.UEInfo['NAS_KSI'])
@ -1426,7 +1426,7 @@ class EMMTrackingAreaUpdate(EMMSigProc):
try:
secctx = self.S1.SEC[self.S1.SEC['KSI']]
secctx['UL_enb'] = self._nas_rx._ulcnt
except:
except Exception:
pass
if self.EMM.require_smc(self):
return self._ret_smc(self.UEInfo['NAS_KSI'])
@ -1617,7 +1617,7 @@ class EMMServiceRequest(EMMSigProc):
# -> we need to get its IMSI before continuing
try:
del self.UE.Server._UEpre[self.UE.MTMSI]
except:
except Exception:
pass
# need to request the IMSI, prepare an id request procedure
return self._ret_req_imsi()
@ -1630,7 +1630,7 @@ class EMMServiceRequest(EMMSigProc):
try:
secctx = self.S1.SEC[self.S1.SEC['KSI']]
secctx['UL_enb'] = self._nas_rx._ulcnt
except:
except Exception:
pass
if self.EMM.require_smc(self) and self.EMM.SER_SMC_ALW:
return self._ret_smc((0, self.UEInfo['KSI'].get_val()))
@ -1655,7 +1655,7 @@ class EMMServiceRequest(EMMSigProc):
try:
secctx = self.S1.SEC[self.S1.SEC['KSI']]
secctx['UL_enb'] = self._nas_rx._ulcnt
except:
except Exception:
pass
if self.EMM.require_smc(self) and self.EMM.SER_SMC_ALW:
return self._ret_smc((0, self.UEInfo['KSI'].get_val()))

4
pycrate_corenet/ProcCNESM.py
View File

@ -116,7 +116,7 @@ class ESMSigProc(NASSigProc):
# select the encoder and duplicate it
try:
Encod = self.Encod[(pd, typ)]
except:
except Exception:
return
ESMHeader = {}
if 'EPSBearerId' in kw:
@ -163,7 +163,7 @@ class ESMSigProc(NASSigProc):
ProcStack = self.ESM.Proc[self._ebi]
if ProcStack[-1] == self:
del ProcStack[-1]
except:
except Exception:
self._log('WNG', 'ESM stack corrupted')
def init_timer(self):

6
pycrate_corenet/ProcCNGMM.py
View File

@ -135,7 +135,7 @@ class GMMSigProc(NASSigProc):
try:
if self.GMM.Proc[-1] == self:
del self.GMM.Proc[-1]
except:
except Exception:
self._log('WNG', 'GMM stack corrupted')
else:
if self._gmm_preempt:
@ -383,7 +383,7 @@ class GMMAttach(GMMSigProc):
# we remove it from the Server's provisory dict of UE
try:
del self.UE.Server._UEpre[self.UE.PTMSI]
except:
except Exception:
pass
#
if self.UEInfo['ID'][0] == 1:
@ -805,7 +805,7 @@ class GMMRoutingAreaUpdating(GMMSigProc):
# we remove it from the Server's provisory dict of UE
try:
del self.UE.Server._UEpre[self.UE.PTMSI]
except:
except Exception:
pass
# need to request the IMSI, prepare an id request procedure
return self._ret_req_imsi()

2
pycrate_corenet/ProcCNHnbap.py
View File

@ -475,7 +475,7 @@ class HNBAPErrorIndHNB(HNBAPSigProc):
# abort it
try:
self.ProcHnbap[self.HNB.ProcHnbapLast].abort()
except:
except Exception:
pass

4
pycrate_corenet/ProcCNMM.py
View File

@ -139,7 +139,7 @@ class MMSigProc(NASSigProc):
try:
if self.MM.Proc[-1] == self:
del self.MM.Proc[-1]
except:
except Exception:
self._log('WNG', 'MM stack corrupted')
else:
if self._mm_preempt:
@ -760,7 +760,7 @@ class MMLocationUpdating(MMSigProc):
# we remove it from the Server's provisory dict of UE
try:
del self.UE.Server._UEpre[self.UE.TMSI]
except:
except Exception:
pass
#
if self.UEInfo['ID'][0] == 1:

4
pycrate_corenet/ProcCNNgap.py
View File

@ -1542,7 +1542,7 @@ class NGAPErrorIndNonUERAN(NGAPNonUESigProc):
# abort it
try:
self.GNB.Proc[self.GNB.ProcLast].abort()
except:
except Exception:
pass
@ -1627,7 +1627,7 @@ class NGAPErrorIndRAN(NGAPSigProc):
# abort it
try:
self.NG.Proc[self.NG.ProcLast].abort()
except:
except Exception:
pass

42
pycrate_corenet/ProcCNRanap.py
View File

@ -334,7 +334,7 @@ class RANAPRABAssignment(RANAPSigProc):
self._recv(pdu)
try:
del self.Iu.Proc[self.Code]
except:
except Exception:
pass
#
if self.errcause:
@ -581,7 +581,7 @@ class RANAPIuRelease(RANAPSigProc):
# remove from the Iu RANAP procedure stack
try:
del self.Iu.Proc[self.Code]
except:
except Exception:
pass
self._release_iu()
@ -589,7 +589,7 @@ class RANAPIuRelease(RANAPSigProc):
# remove from the Iu RANAP procedure stack
try:
del self.Iu.Proc[self.Code]
except:
except Exception:
pass
self._log('INF', 'aborting')
self._release_iu()
@ -883,7 +883,7 @@ class RANAPSRNSContextTransfer(RANAPSigProc):
self._recv(pdu)
try:
del self.Iu.Proc[self.Code]
except:
except Exception:
pass
if not self.errcause:
# TODO: do something with the list of RAB contexts
@ -1119,7 +1119,7 @@ class RANAPCNInvokeTrace(RANAPSigProc):
def send(self):
try:
tracerefl = '0x%s' % hexlify(self.TraceReference).decode('ascii')
except:
except Exception:
tracerefl = repr(self.TraceReference)
self._log('INF', 'sent with trace reference %s' % tracerefl)
return self._send()
@ -1177,7 +1177,7 @@ class RANAPSecurityModeControl(RANAPSigProc):
self._recv(pdu)
try:
del self.Iu.Proc[self.Code]
except:
except Exception:
pass
#
if self.errcause:
@ -1187,7 +1187,7 @@ class RANAPSecurityModeControl(RANAPSigProc):
elif pdu[0] == 'unsuccessfulOutcome':
try:
self._log('WNG', 'failure, rejected with cause %r' % (self.UEInfo['Cause'], ))
except:
except Exception:
self._log('WNG', 'failure, rejected without cause')
self.success = False
self.Iu.reset_sec_ctx()
@ -1198,13 +1198,13 @@ class RANAPSecurityModeControl(RANAPSigProc):
try:
secctx['UEA'] = self.UEInfo['ChosenEncryptionAlgorithm']
uea = secctx['UEA']
except:
except Exception:
secctx['UEA'] = None
uea = 0
try:
secctx['UIA'] = self.UEInfo['ChosenIntegrityProtectionAlgorithm']
uia = 1 + secctx['UIA'] # UIA1 -> uia = 1, UIA2 -> uia = 2
except:
except Exception:
secctx['UIA'] = None
uia = 0
self._log('INF', 'accepted with UEA%i / UIA%i' % (uea, uia))
@ -1370,7 +1370,7 @@ class RANAPLocationReport(RANAPSigProc):
if 'PositionData' in ueinfo:
try:
desc.extend( self._get_position_data(ueinfo['PositionData']) )
except:
except Exception:
pass
else:
del ueinfo['PositionData']
@ -1462,7 +1462,7 @@ class RANAPDataVolumeReport(RANAPSigProc):
self._recv(pdu)
try:
del self.Iu.Proc[self.Code]
except:
except Exception:
pass
if not self.errcause:
# TODO: do something with the data volume report
@ -1824,7 +1824,7 @@ class RANAPResetCN(RANAPConlessSigProc):
self._recv(pdu)
try:
del self.RNC.ProcRanap[self.Code]
except:
except Exception:
pass
if not self.errcause:
self._log('INF', 'success')
@ -1990,7 +1990,7 @@ class RANAPErrorIndConlessRNC(RANAPConlessSigProc):
# abort it
try:
self.RNC.ProcRanap[self.RNC.ProcRanapLast].abort()
except:
except Exception:
pass
@ -2081,7 +2081,7 @@ class RANAPErrorIndRNC(RANAPSigProc):
# abort it
try:
self.Iu.Proc[self.Iu.ProcLast].abort()
except:
except Exception:
pass
@ -2120,7 +2120,7 @@ class RANAPCNDeactivateTrace(RANAPSigProc):
def send(self):
try:
tracerefl = '0x%s' % hexlify(self.TraceReference)
except:
except Exception:
tracerefl = repr(self.TraceReference)
self._log('INF', 'sent with trace reference %s' % tracerefl)
return self._send()
@ -2176,7 +2176,7 @@ class RANAPResetResourceCN(RANAPConlessSigProc):
self._recv(pdu)
try:
del self.RNC.ProcRanap[self.Code]
except:
except Exception:
pass
if not self.errcause:
self._log('INF', 'success')
@ -2237,7 +2237,7 @@ class RANAPResetResourceRNC(RANAPConlessSigProc):
RResList = RReslist[0]
for RRes in RResList:
RResIds.append(RRes['value'][1]['iuSigConId'][0])
except:
except Exception:
self._log('WNG', 'unexpected formatting of ResetResourceList')
#
# reset all UE connections handled by the RNC handler self.RNC in the
@ -2246,7 +2246,7 @@ class RANAPResetResourceRNC(RANAPConlessSigProc):
for rres in RResIds:
try:
ue = self.RNC.UE_IuPS[rres]
except:
except Exception:
pass
else:
ue.IuPS.SM.pdp_suspend()
@ -2259,7 +2259,7 @@ class RANAPResetResourceRNC(RANAPConlessSigProc):
for rres in RResIds:
try:
ue = self.RNC.UE_IuCS[rres]
except:
except Exception:
pass
else:
if ue.IuCS.MM.state != 'INACTIVE':
@ -2378,7 +2378,7 @@ class RANAPLocationRelatedData(RANAPSigProc):
self._recv(pdu)
try:
del self.Iu.Proc[self.Code]
except:
except Exception:
pass
#
if self.errcause:
@ -2387,7 +2387,7 @@ class RANAPLocationRelatedData(RANAPSigProc):
self.success = False
try:
self._log('WNG', 'failure, rejected with cause %r' % (self.UEInfo['Cause'], ))
except:
except Exception:
self._log('WNG', 'failure, rejected without cause')
else:
self.success = True

10
pycrate_corenet/ProcCNRua.py
View File

@ -157,7 +157,7 @@ class RUAConnect(RUASigProc):
ctx_id = self.ConInfo['Context_ID'][0]
try:
ued = self.HNB.UE_HNBAP[ctx_id]
except:
except Exception:
self._log('ERR', 'no UE associated to context-id %i'\
% self.ConInfo['Context_ID'][0])
self.errcause = ('radioNetwork', 'connect-failed')
@ -236,7 +236,7 @@ class RUADirectTransfer(RUASigProc):
if self.ConInfo['CN_DomainIndicator'] == 'cs-domain':
try:
ued = self.HNB.UE_IuCS[self.ConInfo['Context_ID'][0]]
except:
except Exception:
self._log('ERR', 'no UE associated to context-id %i'\
% self.ConInfo['Context_ID'][0])
self.errcause = ('protocol', 'abstract-syntax-error-reject')
@ -245,7 +245,7 @@ class RUADirectTransfer(RUASigProc):
else:
try:
ued = self.HNB.UE_IuPS[self.ConInfo['Context_ID'][0]]
except:
except Exception:
self._log('ERR', 'no UE associated to context-id %i'\
% self.ConInfo['Context_ID'][0])
self.errcause = ('protocol', 'abstract-syntax-error-reject')
@ -307,7 +307,7 @@ class RUADisconnect(RUASigProc):
if self.ConInfo['CN_DomainIndicator'] == 'cs-domain':
try:
ued = self.HNB.UE_IuCS[self.ConInfo['Context_ID'][0]]
except:
except Exception:
self._log('ERR', 'no UE associated to context-id %i'\
% self.ConInfo['Context_ID'][0])
self.errcause = ('protocol', 'abstract-syntax-error-reject')
@ -321,7 +321,7 @@ class RUADisconnect(RUASigProc):
else:
try:
ued = self.HNB.UE_IuPS[self.ConInfo['Context_ID'][0]]
except:
except Exception:
self._log('ERR', 'no UE associated to context-id %i'\
% self.ConInfo['Context_ID'][0])
self.errcause = ('protocol', 'abstract-syntax-error-reject')

18
pycrate_corenet/ProcCNS1ap.py
View File

@ -524,7 +524,7 @@ class S1APInitialContextSetup(S1APSigProc):
self._recv(pdu)
try:
del self.S1.Proc[self.Code]
except:
except Exception:
pass
#
if self.errcause:
@ -537,7 +537,7 @@ class S1APInitialContextSetup(S1APSigProc):
elif pdu[0] == 'unsuccessfulOutcome':
try:
self._log('WNG', 'failure, rejected with cause %r' % (self.UEInfo['Cause'], ))
except:
except Exception:
self._log('WNG', 'failure, rejected without cause')
self.success = False
if hasattr(self, '_gtp_add_mobile_ebi'):
@ -683,7 +683,7 @@ class S1APUEContextRelease(S1APSigProc):
# remove from the S1AP procedure stack
try:
del self.S1.Proc[self.Code]
except:
except Exception:
pass
self._release_s1()
@ -691,7 +691,7 @@ class S1APUEContextRelease(S1APSigProc):
# remove from the S1AP procedure stack
try:
del self.S1.Proc[self.Code]
except:
except Exception:
pass
self._log('INF', 'aborting')
self._release_s1()
@ -1609,7 +1609,7 @@ class S1APResetCN(S1APNonUESigProc):
self._recv(pdu)
try:
del self.ENB.Proc[self.Code]
except:
except Exception:
pass
if not self.errcause:
self._log('INF', 'success')
@ -1776,7 +1776,7 @@ class S1APErrorIndNonUEENB(S1APNonUESigProc):
# abort it
try:
self.ENB.Proc[self.ENB.ProcLast].abort()
except:
except Exception:
pass
@ -1861,7 +1861,7 @@ class S1APErrorIndENB(S1APSigProc):
# abort it
try:
self.S1.Proc[self.S1.ProcLast].abort()
except:
except Exception:
pass
@ -2581,7 +2581,7 @@ class S1APWriteReplaceWarning(S1APNonUESigProc):
self._recv(pdu)
try:
del self.ENB.Proc[self.Code]
except:
except Exception:
pass
if not self.errcause:
msgid, sernum = self.ENBInfo['MessageIdentifier'][0], self.ENBInfo['SerialNumber'][0]
@ -2640,7 +2640,7 @@ class S1APKill(S1APNonUESigProc):
self._recv(pdu)
try:
del self.ENB.Proc[self.Code]
except:
except Exception:
pass
if not self.errcause:
self._log('INF', 'stopped broadcasting warning message')

2
pycrate_corenet/ProcCNSM.py
View File

@ -143,7 +143,7 @@ class SMSigProc(NASSigProc):
ProcStack = self.SM.Proc[self._tid]
if ProcStack[-1] == self:
del ProcStack[-1]
except:
except Exception:
self._log('WNG', 'SM stack corrupted')
def init_timer(self):

2
pycrate_corenet/ProcCNSMS.py
View File

@ -83,7 +83,7 @@ class CMSMSProc(NASSigProc):
def rm_from_sms_stack(self):
try:
del self.SMS.Proc[self.TID]
except:
except Exception:
pass
def init_timer(self):

14
pycrate_corenet/ProcProto.py
View File

@ -118,7 +118,7 @@ class LinkSigProc(SigProc):
mand.append( ident )
try:
pyname = pythonize_name(cont_ies[ident]['Value']._tr._name)
except:
except Exception:
pass
else:
if pyname in encod[0]:
@ -137,7 +137,7 @@ class LinkSigProc(SigProc):
mand.append( ident )
try:
pyname = pythonize_name(cont_exts[ident]['Extension']._tr._name)
except:
except Exception:
pass
else:
if pyname in encod[1]:
@ -203,7 +203,7 @@ class LinkSigProc(SigProc):
ident = ie['id']
try:
IE = IEs[ident]
except:
except Exception:
# unknown IE, c'est pas grave...
self._log('INF', 'decode_pdu: unknown IE ident in PDU, %r' % ie)
ret['id_%i' % ident] = ie['value']
@ -233,7 +233,7 @@ class LinkSigProc(SigProc):
ident = ie['id']
try:
IE = Extensions[ident]
except:
except Exception:
# unknown Extension, c'est pas grave non plus...
self._log('INF', 'decode_pdu: unknown Ext ident in PDU, %r' % ie)
ret['idext_%i' % ident] = ie['extensionValue']
@ -588,7 +588,7 @@ class NASSigProc(SigProc):
return
try:
Decod = self.Decod[(pd, typ)]
except:
except Exception:
self._log('WNG', 'decode_msg: no decoder dict found')
Decod = {}
#
@ -618,7 +618,7 @@ class NASSigProc(SigProc):
# get the instance encoder
try:
Encod = self.Encod[mid]
except:
except Exception:
self._log('WNG', 'encode_msg: no encoder dict found')
Encod = {}
# get the class encoder and update the instance's one
@ -660,7 +660,7 @@ class NASSigProc(SigProc):
# select the encoder and duplicate it
try:
Encod = self.Encod[(pd, typ)]
except:
except Exception:
return
Encod.update(kw)

6
pycrate_corenet/ServerAuC.py
View File

@ -246,7 +246,7 @@ class AuC:
# lookup db for authentication Key and counter for IMSI
try:
K_ALG2_SQN_OP = self.db[IMSI]
except:
except Exception:
self._log('WNG', '[make_3g_vector] IMSI %s not present in AuC.db' % IMSI)
return None
#
@ -305,7 +305,7 @@ class AuC:
# lookup db for authentication Key and counter for IMSI
try:
K_ALG2_SQN_OP = self.db[IMSI]
except:
except Exception:
self._log('WNG', '[make_4g_vector] IMSI %s not present in AuC.db' % IMSI)
return None
#
@ -360,7 +360,7 @@ class AuC:
# lookup db for authentication Key and counter for IMSI
try:
K_ALG2_SQN_OP = self.db[IMSI]
except:
except Exception:
self._log('WNG', '[synch_sqn] IMSI %s not present in AuC.db' % IMSI)
return None
#

12
pycrate_corenet/ServerGTPU.py
View File

@ -615,7 +615,7 @@ class GTPUd(object):
else:
self._log('WNG', 'invalid IP packet from UE, dropping it')
return
except:
except Exception:
self._log('WNG', 'invalid GTP / IP packet from RAN / UE, dropping it')
return
#
@ -722,7 +722,7 @@ class GTPUd(object):
#
try:
stats = self.stats[ipsrc]
except:
except Exception:
stats = self.init_stats(ipsrc)
#
if ipvers == 4:
@ -862,7 +862,7 @@ class GTPUd(object):
# add the sk_int within ran_info
sk_int = self.sk_int[self._sk_int_ind[ran_ip[0]]]
ran_info = (ran_ip[0], ran_ip[1], sk_int)
except:
except Exception:
self._log('ERR', 'invalid RAN IP, %r' % ran_ip)
ran_info = None
else:
@ -890,7 +890,7 @@ class GTPUd(object):
# add the sk_int within ran_info
sk_int = self.sk_int[self._sk_int_ind[ran_ip[0]]]
ran_info = (ran_ip[0], ran_ip[1], sk_int)
except:
except Exception:
self._log('ERR', 'invalid RAN IP, %r' % ran_ip)
ran_info = None
else:
@ -913,7 +913,7 @@ class GTPUd(object):
ipv4addr = inet_ntoa(ipv4buf)
try:
del self._mobiles_addr[ipv4buf]
except:
except Exception:
pass
else:
ipv4addr = None
@ -921,7 +921,7 @@ class GTPUd(object):
ipv6addr = inet_ntop(AF_INET6, self.IPV6_NET_PREF + ipv6buf)
try:
del self._mobiles_addr[ipv6buf]
except:
except Exception:
pass
else:
ipv6addr = None

4
pycrate_corenet/ServerSMS.py
View File

@ -227,7 +227,7 @@ class SMSd(object):
# 1) reassociate to the SMS SUBMIT of the initial sender
try:
tp_oa = rp_req[5][1]['TP_OA']['Num'].decode()
except:
except Exception:
self._log('WNG', 'report_status: unable to retrieve the TP originating address')
else:
if tp_oa in self.Proc:
@ -471,7 +471,7 @@ class SMSd(object):
else:
data = ud
tp_msg['TP_UD']['UD'].set_val(data)
except:
except Exception:
self._log('WNG', 'invalid TP UD')
else:
self._inject_tp(tp_msg, num)

32
pycrate_corenet/utils.py
View File

@ -228,7 +228,7 @@ def decode_ue_rad_cap(buf):
UERadCap = RRCLTE.EUTRA_InterNodeDefinitions.UERadioAccessCapabilityInformation
try:
UERadCap.from_uper(buf)
except:
except Exception:
return None
uecapinfo = {}
try:
@ -241,7 +241,7 @@ def decode_ue_rad_cap(buf):
'criticalExtensions',
'c1',
'ueCapabilityInformation-r8'))
except:
except Exception:
return UERadCap._val, uecapinfo
# decode each ueCapabilityRAT-Container
for caprat in radcapinfo['ue-CapabilityRAT-ContainerList']:
@ -250,7 +250,7 @@ def decode_ue_rad_cap(buf):
UEEUTRACap = RRCLTE.EUTRA_RRC_Definitions.UE_EUTRA_Capability
try:
UEEUTRACap.from_uper(caprat['ueCapabilityRAT-Container'])
except:
except Exception:
uecapinfo[rattype] = caprat['ueCapabilityRAT-Container']
else:
uecapinfo[rattype] = UEEUTRACap._val
@ -258,7 +258,7 @@ def decode_ue_rad_cap(buf):
UEUTRACap = RRC3G.PDU_definitions.InterRATHandoverInfo
try:
UEUTRACap.from_uper(caprat['ueCapabilityRAT-Container'])
except:
except Exception:
uecapinfo[rattype] = caprat['ueCapabilityRAT-Container']
else:
uecapinfo[rattype] = UEUTRACap._val
@ -275,7 +275,7 @@ def decode_ue_rad_cap(buf):
try:
m2.from_bytes(buf_m2)
m3.from_bytes(buf_m3)
except:
except Exception:
uecapinfo[rattype] = caprat['ueCapabilityRAT-Container']
else:
uecapinfo[rattype] = (m2, m3)
@ -283,7 +283,7 @@ def decode_ue_rad_cap(buf):
mrc = NAS.ms_ra_capability_value_part.clone()
try:
mrc.from_bytes(caprat['ueCapabilityRAT-Container'])
except:
except Exception:
uecapinfo[rattype] = caprat['ueCapabilityRAT-Container']
else:
uecapinfo[rattype] = mrc
@ -505,7 +505,7 @@ def inet_aton_cn(*pdnaddr, **kw):
# IPv4 address
try:
return inet_aton(pdnaddr[1])
except:
except Exception:
log('WNG: IPv4 address conversion error, %r' % pdnaddr[1])
return pdnaddr[1]
elif pdnaddr[0] == 2:
@ -517,7 +517,7 @@ def inet_aton_cn(*pdnaddr, **kw):
else:
try:
return inet_pton(AF_INET6, ipaddr)
except:
except Exception:
log('WNG: IPv6 address conversion error, %r' % pdnaddr[1])
return ipaddr
elif pdnaddr[0] == 3:
@ -526,14 +526,14 @@ def inet_aton_cn(*pdnaddr, **kw):
# PDN address
try:
return inet_aton_cn(2, pdnaddr[2]) + inet_aton_cn(1, pdnaddr[1])
except:
except Exception:
log('WNG: IPv4v6 PDN address conversion error, %r' % pdnaddr[1])
return pdnaddr[1]
else:
# PDP address
try:
return inet_aton_cn(1, pdnaddr[1]) + inet_aton_cn(2, pdnaddr[2])
except:
except Exception:
log('WNG: IPv4v6 PDP address conversion error, %r' % pdnaddr[1])
return pdnaddr[1]
else:
@ -550,7 +550,7 @@ def inet_ntoa_cn(pdntype, buf, dom='EPS'):
# IPv4 address
try:
return (1, inet_ntoa(buf))
except:
except Exception:
log('WNG: IPv4 buffer conversion error, %s' % hexlify(buf).decode('ascii'))
return None
elif pdntype == 2:
@ -560,7 +560,7 @@ def inet_ntoa_cn(pdntype, buf, dom='EPS'):
else:
try:
return (2, inet_ntop(AF_INET6, buf))
except:
except Exception:
log('WNG: IPv6 buffer conversion error, %s' % hexlify(buf).decode('ascii'))
return None
elif pdntype == 3:
@ -568,13 +568,13 @@ def inet_ntoa_cn(pdntype, buf, dom='EPS'):
# PDN address
try:
return (3, inet_ntoa(buf[8:12]), inet_ntoa_cn(2, buf[:8])[1])
except:
except Exception:
log('WNG: IPv4v6 PDN buffer conversion error, %s' % hexlify(buf).decode('ascii'))
else:
# PDP address
try:
return (3, inet_ntoa(buf[:4]), inet_ntop(AF_INET6, buf[4:20]))
except:
except Exception:
log('WNG: IPv4v6 PDP buffer conversion error, %s' % hexlify(buf).decode('ascii'))
else:
return (pdntype, buf)
@ -670,7 +670,7 @@ def print_pduies(desc):
% (ident,
pythonize_name(ies('id', ident)['Value']._tr._name),
ies('id', ident)['presence'][0].upper())
except:
except Exception:
info = ' - %i: [%s] (%s)'\
% (ident,
ies('id', ident)['Value'].TYPE,
@ -692,7 +692,7 @@ def print_pduies(desc):
% (ident,
pythonize_name(ies('id', ident)['Extension']._tr._name),
ies('id', ident)['presence'][0].upper())
except:
except Exception:
info = ' - %i: [%s] (%s)'\
% (ident,
pythonize_name(ies('id', ident)['Extension'].TYPE),