| |
| |
| /* This is just some non-compiling work in progress code to generate the |
| * minimum set of RANAP messages that the core network side needs to send |
| * towards the RNC */ |
| |
| int ranap_tx_dt(uint8_t sapi, const uint8_t *nas, unsigned int nas_len) |
| { |
| RANAP_DirectTransferIEs_t ies; |
| RANAP_DirectTransfer_t dt; |
| struct msgb *msg; |
| int rc; |
| |
| memset(&ies, 0, sizeof(ies)); |
| |
| /* only SAPI optional field shall be present for CN->RNC */ |
| ies.presenceMask = DIRECTTRANSFERIES_RANAP_SAPI_PRESENT; |
| |
| if (sapi == 3) |
| ies.sapi = RANAP_SAPI_sapi_3; |
| else |
| ies.sapi = RANAP_SAPI_sapi_0; |
| |
| ies.nas_pdu.buf = nas; |
| ies.nas_pdu.size = nas_len; |
| |
| rc = ranap_encode_directtransferies(&dt, &ies); |
| |
| msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_DirectTransfer, |
| RANAP_Criticality_reject, |
| &asn_DEF_RANAP_DirectTransfer, |
| &dt); |
| /* FIXME: Hand that to RUA or SCCP */ |
| } |
| |
| static const enum RANAP_IntegrityProtectionAlgorithm ip_alg[2] = { |
| RANAP_IntegrityProtectionAlgorithm_standard_UMTS_integrity_algorithm_UIA1, |
| RANAP_IntegrityProtectionAlgorithm_standard_UMTS_integrity_algorithm_UIA2, |
| }; |
| |
| static const enum RANAP_EncryptionAlgorithm enc_alg[2] = { |
| RANAP_EncryptionAlgorithm_standard_UMTS_encryption_algorithm_UEA1, |
| RANAP_EncryptionAlgorithm_standard_UMTS_encryption_algorithm_UEA2, |
| }; |
| |
| int ranap_tx_sec_mod_cmd(void) |
| { |
| RANAP_SecurityModeCommandIEs_t ies; |
| RANAP_SecurityModeCommand_t out; |
| struct msgb *msg; |
| int rc; |
| |
| memset(&ies, 0, sizeof(ies)); |
| |
| ies.presenceMask = SECURITYMODECOMMANDIES_RANAP_ENCRYPTIONINFORMATION_PRESENT; |
| |
| ASN_SEQUENCE_ADD(&ies.integrityProtectionInformation.permittedAlgorithms, &ip_alg[0]); |
| ASN_SEQUENCE_ADD(&ies.integrityProtectionInformation.permittedAlgorithms, &ip_alg[1]); |
| |
| ies.integrityProtectionInformation.key; /* FIXME */ |
| if (0) { |
| ASN_SEQUENCE_ADD(&ies.encryptionInformation.permittedAlgorithms, &enc_alg[0]); |
| ASN_SEQUENCE_ADD(&ies.encryptionInformation.permittedAlgorithms, &enc_alg[1]); |
| ies.encryptionInformation.key; /* FIXME */ |
| } |
| ies.keyStatus = RANAP_KeyStatus_new; /* FIXME */ |
| |
| rc = ranap_encode_securitymodecommandies(&out, &ies); |
| |
| asn_sequence_empty(&ies.integrityProtectionInformation.permittedAlgorithms); |
| asn_sequence_empty(&ies.encryptionInformation.permittedAlgorithms); |
| |
| msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_SecurityModeControl, |
| RANAP_Criticality_reject, |
| &asn_DEF_RANAP_SecurityModeCommand, |
| &out); |
| } |
| |
| int ranap_tx_common_id(const char *imsi) |
| { |
| RANAP_CommonID_IEs_t ies; |
| RANAP_CommonID_t out; |
| struct msgb *msg; |
| int rc; |
| |
| memset(&ies, 0, sizeof(ies)); |
| |
| if (imsi) { |
| ies.permanentNAS_UE_ID.present = RANAP_PermanentNAS_UE_ID_PR_iMSI; |
| ies.permanentNAS_UE_ID.choice.iMSI; /* FIXME */ |
| } else |
| ies.permanentNAS_UE_ID.present = RANAP_PermanentNAS_UE_ID_PR_NOTHING; |
| |
| rc = ranap_encode_commonidies(&out, &ies); |
| |
| msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_CommonID, |
| RANAP_Criticality_ignore, |
| &asn_DEF_RANAP_CommonID, |
| &out); |
| } |
| |
| int ranap_tx_iu_rel_cmd(RANAP_Cause_t cause) |
| { |
| RANAP_Iu_ReleaseCommandIEs_t ies; |
| RANAP_Iu_ReleaseCommand_t out; |
| struct msgb *msg; |
| int rc; |
| |
| memset(&ies, 0, sizeof(ies)); |
| |
| ies.cause = cause; |
| |
| rc = ranap_encode_iu_releasecommandies(&out, &ies); |
| |
| msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_Iu_Release, |
| RANAP_Criticality_reject, |
| &asn_DEF_RANAP_ReleaseCommand, |
| &out); |
| } |
| |
| int ranap_tx_paging_cmd(const char *imsi, uint32_t *tmsi, uint32_t cause) |
| { |
| RANAP_PagingIEs_s ies; |
| RANAP_Paging_t out; |
| |
| memset(&ies, 0, sizeof(ies)); |
| |
| if (is_ps) |
| ies.cN_DomainIndicator = RANAP_CN_DomainIndicator_ps_domain; |
| else |
| ies.cN_DomainIndicator = RANAP_CN_DomainIndicator_cs_domain; |
| |
| ies.permanentNAS_UE_ID; /* FIXME */ |
| |
| if (tmsi) { |
| ies.presenceMask |= PAGINGIES_RANAP_TEMPORARYUE_ID_PRESENT; |
| if (is_ps) { |
| ies.temporaryUE_ID.present = RANAP_TemporaryUE_ID_PR_p_TMSI; |
| ies.temporaryUE_ID.choice.tMSI; |
| } else { |
| ies.temporaryUE_ID.present = RANAP_TemporaryUE_ID_PR_tMSI; |
| ies.temporaryUE_ID.choice.p_TMSI; |
| } |
| } |
| |
| if (cause) { |
| ies.presenceMask |= PAGINGIES_RANAP_PAGINGCAUSE_PRESENT; |
| ies.pagingCause = cause; |
| } |
| |
| rc = ranap_encode_iu_pagingies(&out, &ies); |
| |
| msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_Iu_Paging, |
| RANAP_Criticality_reject, |
| &asn_DEF_RANAP_Paging, |
| &out); |
| } |
| |
| |
| |
| static RANAP_RAB_Parameters_t rab_par_voice = { |
| .trafficClass = RANAP_TrafficClass_conversational, |
| .rAB_AsymmetryIndicator = ANAP_RAB_AsymmetryIndicator_symmetric_bidirectional |
| .maxBitrate = , |
| .deliveryOrder = RANAP_DeliveryOrder_delivery_order_not_requested |
| .maxSDU_Size = 1234, |
| .sDU_Parameters = , |
| }; |
| |
| static RANAP_UserPlaneInformation_t rab_upl_voice = { |
| .userPlaneMode = RANAP_UserPlaneMode_transparent_mode, |
| .uP_ModeVersions = FIXME, |
| }; |
| |
| int ranap_tx_rab_assign() |
| { |
| RANAP_ProtocolIE_FieldPair_t *pair; |
| RANAP_RAB_AssignmentRequestIEs_t ies; |
| RANAP_RAB_AssignmentRequest_t out; |
| |
| |
| memset(&ies, 0, sizeof(ies)); |
| |
| ies.presenceMask = RAB_ASSIGNMENTREQUESTIES_RANAP_RAB_SETUPORMODIFYLIST_PRESENT; |
| /* RANAP_RAB_IE_ContainerPairList_t */ |
| |
| RANAP_RAB_SetupOrModifyItemFirst_t first; |
| |
| first.rAB_ID = FIXME; |
| first.nAS_SynchronisationIndicator = FIXME; |
| first.rAB_Parameters = &rab_par_voice; |
| first.userPlaneInformation = &rab_upl_voice; |
| first.transportLayerInformation = NULL; |
| |
| RANAP_RAB_SetupOrModifyItemSecond_t second; |
| |
| |
| pair = ranap_new_ie_pair(RANAP_ProtocolIE_ID_id_RAB_SetupOrModifyItem, |
| RANAP_Criticality_reject, |
| SetupOrModifyItemFirst, &first, |
| RANAP_Criticality_ignore, |
| SetupOrModifyItemSecond, &second); |
| |
| ASN_SEQUENCE_ADD(&ies.raB_SetupOrModifyList.list, pair); |
| |
| rc = ranap_encode_rab_assignmentrequesties(&out, &ies); |
| } |