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osmo-iuh/src/ranap_common.c

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/* common RANAP code */
/* (C) 2015 by Harald Welte <laforge@gnumonks.org>
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdint.h>
#include <osmocom/core/msgb.h>
#include <osmocom/gsm/gsm48.h>
#include <osmocom/ranap/ranap_common.h>
#include <asn1c/asn1helpers.h>
extern int asn1_xer_print;
int _ranap_DRANAP = 0;
#define DRANAP _ranap_DRANAP
const struct value_string ranap_presence_vals[5] = {
{ RANAP_RANAP_PDU_PR_initiatingMessage, "Initiating" },
{ RANAP_RANAP_PDU_PR_successfulOutcome, "Successful Outcome" },
{ RANAP_RANAP_PDU_PR_unsuccessfulOutcome, "Unsuccessful Outcome" },
{ RANAP_RANAP_PDU_PR_outcome, "(Intermediate) Outcome" },
{ 0, NULL }
};
const struct value_string ranap_procedure_code_vals[48] = {
{ RANAP_ProcedureCode_id_RAB_Assignment, "RAB Assignment" },
{ RANAP_ProcedureCode_id_Iu_Release, "Iu Release" },
{ RANAP_ProcedureCode_id_RelocationPreparation, "Relocation Preparation" },
{ RANAP_ProcedureCode_id_RelocationResourceAllocation, "Relocation Resource Allocation" },
{ RANAP_ProcedureCode_id_RelocationCancel, "Relocation Cancel" },
{ RANAP_ProcedureCode_id_SRNS_ContextTransfer, "SRNS Context Transfer" },
{ RANAP_ProcedureCode_id_SecurityModeControl, "Security Mode Control" },
{ RANAP_ProcedureCode_id_DataVolumeReport, "Data Volume Report" },
{ RANAP_ProcedureCode_id_Reset, "Reset" },
{ RANAP_ProcedureCode_id_RAB_ReleaseRequest, "RAB Release Request" },
{ RANAP_ProcedureCode_id_Iu_ReleaseRequest, "Iu Release Request" },
{ RANAP_ProcedureCode_id_RelocationDetect, "Relocation Detect" },
{ RANAP_ProcedureCode_id_RelocationComplete, "Relocation Complete" },
{ RANAP_ProcedureCode_id_Paging, "Paging" },
{ RANAP_ProcedureCode_id_CommonID, "Common ID" },
{ RANAP_ProcedureCode_id_CN_InvokeTrace, "CN Invoke Trace" },
{ RANAP_ProcedureCode_id_LocationReportingControl, "Location Reporting Control" },
{ RANAP_ProcedureCode_id_LocationReport, "Location Report" },
{ RANAP_ProcedureCode_id_InitialUE_Message, "Initial UE Message" },
{ RANAP_ProcedureCode_id_DirectTransfer, "Direct Transfer" },
{ RANAP_ProcedureCode_id_OverloadControl, "Overload Control" },
{ RANAP_ProcedureCode_id_ErrorIndication, "Error Indication" },
{ RANAP_ProcedureCode_id_SRNS_DataForward, "SRNS Data Forward" },
{ RANAP_ProcedureCode_id_ForwardSRNS_Context, "Forward SRNS Context" },
{ RANAP_ProcedureCode_id_privateMessage, "Private Message" },
{ RANAP_ProcedureCode_id_CN_DeactivateTrace, "CN Deactivate Trace" },
{ RANAP_ProcedureCode_id_ResetResource, "Reset Resource" },
{ RANAP_ProcedureCode_id_RANAP_Relocation, "RANAP Relocation" },
{ RANAP_ProcedureCode_id_RAB_ModifyRequest, "RAB Modify Request" },
{ RANAP_ProcedureCode_id_LocationRelatedData, "Location Related Data" },
{ RANAP_ProcedureCode_id_InformationTransfer, "Information Transfer" },
{ RANAP_ProcedureCode_id_UESpecificInformation, "UE Specific Information" },
{ RANAP_ProcedureCode_id_UplinkInformationExchange, "Uplink Information Transfer" },
{ RANAP_ProcedureCode_id_DirectInformationTransfer, "Direct Information Transfer" },
{ RANAP_ProcedureCode_id_MBMSSessionStart, "MBMS Session Start" },
{ RANAP_ProcedureCode_id_MBMSSessionUpdate, "MBMS Session Update" },
{ RANAP_ProcedureCode_id_MBMSSessionStop, "MBMS Session Stop" },
{ RANAP_ProcedureCode_id_MBMSUELinking, "MBMS UE Linking" },
{ RANAP_ProcedureCode_id_MBMSRegistration, "MBMS Registration" },
{ RANAP_ProcedureCode_id_MBMSCNDe_Registration_Procedure, "MBMS CN De-Registration" },
{ RANAP_ProcedureCode_id_MBMSRABEstablishmentIndication, "MBMS RAB Establishment Indication" },
{ RANAP_ProcedureCode_id_MBMSRABRelease, "MBMS RAB Release" },
{ RANAP_ProcedureCode_id_enhancedRelocationComplete, "Enhanced Relocation Complete" },
{ RANAP_ProcedureCode_id_enhancedRelocationCompleteConfirm, "Enhanced Relocation Complete Confirm" },
{ RANAP_ProcedureCode_id_RANAPenhancedRelocation, "RANAP Enhanced Relocation" },
{ RANAP_ProcedureCode_id_SRVCCPreparation, "SRVCC Preparation" },
{ RANAP_ProcedureCode_id_UeRadioCapabilityMatch, "UE Radio Capability Match" },
{ 0, NULL }
};
static const struct value_string ranap_cause_radio_vals[] = {
{ RANAP_CauseRadioNetwork_rab_pre_empted, "RAB pre-empted" },
{ RANAP_CauseRadioNetwork_trelocoverall_expiry, "Treloc_overall expiry" },
{ RANAP_CauseRadioNetwork_trelocprep_expiry, "Treloc_prep expiry" },
{ RANAP_CauseRadioNetwork_treloccomplete_expiry,"Treloc_complete expiry" },
{ RANAP_CauseRadioNetwork_tqueing_expiry, "Tqueueing expiry" },
{ RANAP_CauseRadioNetwork_relocation_triggered, "Relocation triggered" },
{ RANAP_CauseRadioNetwork_trellocalloc_expiry, "Treloc_alloc expiry" },
{ RANAP_CauseRadioNetwork_unable_to_establish_during_relocation,
"unable to establish during relocation" },
{ RANAP_CauseRadioNetwork_unknown_target_rnc,
"unknown target RNC" },
{ RANAP_CauseRadioNetwork_relocation_cancelled, "Relocation cancelled" },
{ RANAP_CauseRadioNetwork_successful_relocation, "Successful relocation" },
{ RANAP_CauseRadioNetwork_requested_ciphering_and_or_integrity_protection_algorithms_not_supported,
"requested ciph. and/or int. prot. algorithms not supported" },
{ RANAP_CauseRadioNetwork_conflict_with_already_existing_integrity_protection_and_or_ciphering_information,
"conflict with existing int. prot. and/or ciph. information" },
{ RANAP_CauseRadioNetwork_failure_in_the_radio_interface_procedure,
"failure in the radio interface procedure" },
{ RANAP_CauseRadioNetwork_release_due_to_utran_generated_reason,
"release due to UTRAN generated reason" },
{ RANAP_CauseRadioNetwork_user_inactivity, "user inactivity" },
{ RANAP_CauseRadioNetwork_time_critical_relocation,
"time critical relocation" },
{ RANAP_CauseRadioNetwork_requested_traffic_class_not_available,
"requested traffic class not available" },
{ RANAP_CauseRadioNetwork_invalid_rab_parameters_value,
"invalid RAB parameters value" },
{ RANAP_CauseRadioNetwork_requested_maximum_bit_rate_not_available,
"requested max. bit-rate not available" },
{ RANAP_CauseRadioNetwork_requested_guaranteed_bit_rate_not_available,
"requested guaranteed bit-rate not available" },
{ RANAP_CauseRadioNetwork_requested_transfer_delay_not_achievable,
"requested transfer delay not achievable" },
{ RANAP_CauseRadioNetwork_invalid_rab_parameters_combination,
"invalid RAB parameters combination" },
{ RANAP_CauseRadioNetwork_condition_violation_for_sdu_parameters,
"condition violation for SDU parameters" },
{ RANAP_CauseRadioNetwork_condition_violation_for_traffic_handling_priority,
"condition violation for traffic handling priority" },
{ RANAP_CauseRadioNetwork_condition_violation_for_guaranteed_bit_rate,
"condition violation for guaranteed bit-rate" },
{ RANAP_CauseRadioNetwork_user_plane_versions_not_supported,
"user-plane versions not supported" },
{ RANAP_CauseRadioNetwork_iu_up_failure, "Iu-UP failure" },
{ RANAP_CauseRadioNetwork_relocation_failure_in_target_CN_RNC_or_target_system,
"relocation failure in target CN/RNC or target system" },
{ RANAP_CauseRadioNetwork_invalid_RAB_ID, "Invalid RAB ID" },
{ RANAP_CauseRadioNetwork_no_remaining_rab, "No remaining RAB" },
{ RANAP_CauseRadioNetwork_interaction_with_other_procedure,
"interaction with other procedure" },
{ RANAP_CauseRadioNetwork_requested_maximum_bit_rate_for_dl_not_available,
"requested maximum bit-rate for DL not available" },
{ RANAP_CauseRadioNetwork_requested_maximum_bit_rate_for_ul_not_available,
"requested maximum bit-rate for UL not available" },
{ RANAP_CauseRadioNetwork_requested_guaranteed_bit_rate_for_dl_not_available,
"requested guaranteed bit-rate for DL not available" },
{ RANAP_CauseRadioNetwork_requested_guaranteed_bit_rate_for_ul_not_available,
"requested guaranteed bit-rate for UL not available" },
{ RANAP_CauseRadioNetwork_repeated_integrity_checking_failure,
"repeated integrity checking failure" },
{ RANAP_CauseRadioNetwork_requested_request_type_not_supported,
"requested request type not supported" },
{ RANAP_CauseRadioNetwork_request_superseded, "request superseded" },
{ RANAP_CauseRadioNetwork_release_due_to_UE_generated_signalling_connection_release,
"release due to UE-generated signalling connection release" },
{ RANAP_CauseRadioNetwork_resource_optimisation_relocation,
"resource optimisation relocation" },
{ RANAP_CauseRadioNetwork_requested_information_not_available,
"requested information not available" },
{ RANAP_CauseRadioNetwork_relocation_desirable_for_radio_reasons,
"relocation desirable for radio reasons" },
{ RANAP_CauseRadioNetwork_relocation_not_supported_in_target_RNC_or_target_system,
"relocation not supported in target RNC or target system" },
{ RANAP_CauseRadioNetwork_directed_retry, "directed retry" },
{ RANAP_CauseRadioNetwork_radio_connection_with_UE_Lost,
"radio connection with UE lost" },
{ RANAP_CauseRadioNetwork_rNC_unable_to_establish_all_RFCs,
"RNC unable to establish al RFCs" },
{ RANAP_CauseRadioNetwork_deciphering_keys_not_available,
"de-ciphering keys not available" },
{ RANAP_CauseRadioNetwork_dedicated_assistance_data_not_available,
"dedicated assistance data not available" },
{ RANAP_CauseRadioNetwork_relocation_target_not_allowed,
"relocation target not allowed" },
{ RANAP_CauseRadioNetwork_location_reporting_congestion,
"relocation reporting congestion" },
{ RANAP_CauseRadioNetwork_reduce_load_in_serving_cell,
"reduce load in serving cell" },
{ RANAP_CauseRadioNetwork_no_radio_resources_available_in_target_cell,
"no radio resources available in target cell" },
{ RANAP_CauseRadioNetwork_gERAN_Iumode_failure,
"GERAN Iu-Mode failure" },
{ RANAP_CauseRadioNetwork_access_restricted_due_to_shared_networks,
"access restricted due to shared networks" },
{ RANAP_CauseRadioNetwork_incoming_relocation_not_supported_due_to_PUESBINE_feature,
"incoming relocation not supported due to PUESBINE feature" },
{ RANAP_CauseRadioNetwork_traffic_load_in_the_target_cell_higher_than_in_the_source_cell,
"traffic load in the target cell higher than in the source cell" },
{ RANAP_CauseRadioNetwork_mBMS_no_multicast_service_for_this_UE,
"MBMS: no multicast service for this UE" },
{ RANAP_CauseRadioNetwork_mBMS_unknown_UE_ID, "MBMS: unknown UE ID" },
{ RANAP_CauseRadioNetwork_successful_MBMS_session_start_no_data_bearer_necessary,
"successful MBMS session start; no data bearer necessarry" },
{ RANAP_CauseRadioNetwork_mBMS_superseded_due_to_NNSF,
"MBMS superseded due to NNSF" },
{ RANAP_CauseRadioNetwork_mBMS_UE_linking_already_done,
"MBMS: UE linking already done" },
{ RANAP_CauseRadioNetwork_mBMS_UE_de_linking_failure_no_existing_UE_linking,
"MBMS: UE de-linking failure; no existing UE linking" },
{ RANAP_CauseRadioNetwork_tMGI_unknown, "TMGI unknown" },
{ 0, NULL }
};
static const struct value_string ranap_cause_transm_vals[] = {
{ RANAP_CauseTransmissionNetwork_signalling_transport_resource_failure,
"signalling transport resource failure" },
{ RANAP_CauseTransmissionNetwork_iu_transport_connection_failed_to_establish,
"Iu transport connection failed to establish" },
{ 0, NULL }
};
static const struct value_string ranap_cause_nas_vals[] = {
{ RANAP_CauseNAS_user_restriction_start_indication,
"user restriction; start indication" },
{ RANAP_CauseNAS_user_restriction_end_indication,
"user restriction; stop indication" },
{ RANAP_CauseNAS_normal_release,
"normal release" },
{ RANAP_CauseNAS_csg_subscription_expiry,
"CSG subscription expiry" },
{ 0, NULL }
};
static const struct value_string ranap_cause_prot_vals[] = {
{ RANAP_CauseProtocol_transfer_syntax_error,
"transfer sytax error" },
{ RANAP_CauseProtocol_semantic_error,
"semantic error" },
{ RANAP_CauseProtocol_message_not_compatible_with_receiver_state,
"message not compatible with receiver state" },
{ RANAP_CauseProtocol_abstract_syntax_error_reject,
"syntax error: reject" },
{ RANAP_CauseProtocol_abstract_syntax_error_ignore_and_notify,
"syntax error: ignore and notify" },
{ RANAP_CauseProtocol_abstract_syntax_error_falsely_constructed_message,
"syntax error: falsely constructed message" },
{ 0, NULL }
};
static const struct value_string ranap_cause_misc_vals[] = {
{ RANAP_CauseMisc_om_intervention, "OAM intervention" },
{ RANAP_CauseMisc_no_resource_available, "no resource available" },
{ RANAP_CauseMisc_unspecified_failure, "unspecified failure" },
{ RANAP_CauseMisc_network_optimisation, "network optimisation" },
{ 0, NULL }
};
char *ranap_cause_str(const RANAP_Cause_t *cause)
{
static char buf[128];
switch (cause->present) {
case RANAP_Cause_PR_radioNetwork:
snprintf(buf, sizeof(buf), "radio(%s)",
get_value_string(ranap_cause_radio_vals,
cause->choice.radioNetwork));
break;
case RANAP_Cause_PR_transmissionNetwork:
snprintf(buf, sizeof(buf), "transmission(%s)",
get_value_string(ranap_cause_transm_vals,
cause->choice.transmissionNetwork));
break;
case RANAP_Cause_PR_nAS:
snprintf(buf, sizeof(buf), "nas(%s)",
get_value_string(ranap_cause_nas_vals,
cause->choice.nAS));
break;
case RANAP_Cause_PR_protocol:
snprintf(buf, sizeof(buf), "protocol(%s)",
get_value_string(ranap_cause_prot_vals,
cause->choice.protocol));
break;
case RANAP_Cause_PR_misc:
snprintf(buf, sizeof(buf), "misc(%s)",
get_value_string(ranap_cause_misc_vals,
cause->choice.misc));
break;
case RANAP_Cause_PR_non_Standard:
snprintf(buf, sizeof(buf), "non-standard(%ld)",
cause->choice.non_Standard);
break;
default:
strcpy(buf, "unknown");
break;
}
return buf;
}
static struct msgb *ranap_msgb_alloc(void)
{
return msgb_alloc_headroom(1024+512, 512, "RANAP Tx");
}
static struct msgb *_ranap_gen_msg(RANAP_RANAP_PDU_t *pdu)
{
struct msgb *msg = ranap_msgb_alloc();
asn_enc_rval_t rval;
if (!msg)
return NULL;
rval = aper_encode_to_buffer(&asn_DEF_RANAP_RANAP_PDU, pdu,
msg->data, msgb_tailroom(msg));
if (rval.encoded < 0) {
LOGP(DRANAP, LOGL_ERROR, "Error encoding type: %s\n",
rval.failed_type->name);
}
msgb_put(msg, rval.encoded/8);
return msg;
}
struct msgb *ranap_generate_initiating_message(e_RANAP_ProcedureCode procedureCode,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t *td, void *sptr)
{
RANAP_RANAP_PDU_t pdu;
struct msgb *msg;
int rc;
memset(&pdu, 0, sizeof(pdu));
pdu.present = RANAP_RANAP_PDU_PR_initiatingMessage;
pdu.choice.initiatingMessage.procedureCode = procedureCode;
pdu.choice.initiatingMessage.criticality = criticality;
rc = ANY_fromType_aper(&pdu.choice.initiatingMessage.value, td, sptr);
if (rc < 0) {
LOGP(DRANAP, LOGL_ERROR, "Error in ANY_fromType_aper (%s)\n", td->name);
return NULL;
}
msg = _ranap_gen_msg(&pdu);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RANAP_PDU, &pdu);
return msg;
}
struct msgb *ranap_generate_successful_outcome(
e_RANAP_ProcedureCode procedureCode,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t * td,
void *sptr)
{
RANAP_RANAP_PDU_t pdu;
struct msgb *msg;
int rc;
memset(&pdu, 0, sizeof(pdu));
pdu.present = RANAP_RANAP_PDU_PR_successfulOutcome;
pdu.choice.successfulOutcome.procedureCode = procedureCode;
pdu.choice.successfulOutcome.criticality = criticality;
rc = ANY_fromType_aper(&pdu.choice.successfulOutcome.value, td, sptr);
if (rc < 0) {
LOGP(DRANAP, LOGL_ERROR, "Error in ANY_fromType_aper (%s)\n", td->name);
return NULL;
}
msg = _ranap_gen_msg(&pdu);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RANAP_PDU, &pdu);
return msg;
}
struct msgb *ranap_generate_unsuccessful_outcome(
e_RANAP_ProcedureCode procedureCode,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t * td,
void *sptr)
{
RANAP_RANAP_PDU_t pdu;
struct msgb *msg;
int rc;
memset(&pdu, 0, sizeof(pdu));
pdu.present = RANAP_RANAP_PDU_PR_unsuccessfulOutcome;
pdu.choice.unsuccessfulOutcome.procedureCode = procedureCode;
pdu.choice.unsuccessfulOutcome.criticality = criticality;
rc = ANY_fromType_aper(&pdu.choice.unsuccessfulOutcome.value, td, sptr);
if (rc < 0) {
LOGP(DRANAP, LOGL_ERROR, "Error in ANY_fromType_aper (%s)\n", td->name);
return NULL;
}
msg = _ranap_gen_msg(&pdu);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RANAP_PDU, &pdu);
return msg;
}
struct msgb *ranap_generate_outcome(
e_RANAP_ProcedureCode procedureCode,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t * td,
void *sptr)
{
RANAP_RANAP_PDU_t pdu;
struct msgb *msg;
int rc;
memset(&pdu, 0, sizeof(pdu));
pdu.present = RANAP_RANAP_PDU_PR_outcome;
pdu.choice.outcome.procedureCode = procedureCode;
pdu.choice.outcome.criticality = criticality;
rc = ANY_fromType_aper(&pdu.choice.outcome.value, td, sptr);
if (rc < 0) {
LOGP(DRANAP, LOGL_ERROR, "Error in ANY_fromType_aper (%s)\n", td->name);
return NULL;
}
msg = _ranap_gen_msg(&pdu);
ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RANAP_PDU, &pdu);
return msg;
}
RANAP_IE_t *ranap_new_ie(RANAP_ProtocolIE_ID_t id,
RANAP_Criticality_t criticality,
asn_TYPE_descriptor_t * type, void *sptr)
{
RANAP_IE_t *buff;
int rc;
if ((buff = CALLOC(1, sizeof(*buff))) == NULL) {
// Possible error on malloc
return NULL;
}
buff->id = id;
buff->criticality = criticality;
rc = ANY_fromType_aper(&buff->value, type, sptr);
if (rc < 0) {
LOGP(DRANAP, LOGL_ERROR, "Error in ANY_fromType_aper (%s)\n", type->name);
FREEMEM(buff);
return NULL;
}
if (asn1_xer_print)
if (xer_fprint(stdout, &asn_DEF_RANAP_IE, buff) < 0) {
FREEMEM(buff);
return NULL;
}
return buff;
}
RANAP_ProtocolIE_FieldPair_t *ranap_new_ie_pair(RANAP_ProtocolIE_ID_t id,
RANAP_Criticality_t criticality1,
asn_TYPE_descriptor_t *type1, void *sptr1,
RANAP_Criticality_t criticality2,
asn_TYPE_descriptor_t *type2, void *sptr2)
{
RANAP_ProtocolIE_FieldPair_t *buff;
int rc;
if ((buff = CALLOC(1, sizeof(*buff))) == NULL) {
// Possible error on malloc
return NULL;
}
buff->id = id;
buff->firstCriticality = criticality1;
buff->secondCriticality = criticality2;
rc = ANY_fromType_aper(&buff->firstValue, type1, sptr1);
if (rc < 0) {
LOGP(DRANAP, LOGL_ERROR, "Error in ANY_fromType_aper (%s)\n", type1->name);
FREEMEM(buff);
return NULL;
}
rc = ANY_fromType_aper(&buff->secondValue, type2, sptr2);
if (rc < 0) {
LOGP(DRANAP, LOGL_ERROR, "Error in ANY_fromType_aper (%s)\n", type2->name);
ASN_STRUCT_FREE(asn_DEF_RANAP_ProtocolIE_FieldPair, buff);
return NULL;
}
if (asn1_xer_print)
if (xer_fprint(stdout, &asn_DEF_RANAP_ProtocolIE_FieldPair, buff) < 0) {
ASN_STRUCT_FREE(asn_DEF_RANAP_ProtocolIE_FieldPair, buff);
return NULL;
}
return buff;
}
int ranap_parse_lai(struct gprs_ra_id *ra_id, const RANAP_LAI_t *lai)
{
uint8_t *ptr = lai->pLMNidentity.buf;
/* Avoid unitialized mem for parse failures, and set rac to zero (which
* isn't being parsed). */
*ra_id = (struct gprs_ra_id){ .lac = 0xfffe };
/* TS 25.413 9.2.3.55 */
if (lai->pLMNidentity.size != 3) {
LOGP(DRANAP, LOGL_ERROR, "Invalid PLMN Identity size:"
" should be 3, is %d\n", lai->pLMNidentity.size);
return -1;
}
ra_id->mcc = (ptr[0] & 0xF) * 100 +
(ptr[0] >> 4) * 10 +
(ptr[1] & 0xF);
ra_id->mnc = (ptr[2] & 0xF) * 10 +
(ptr[2] >> 4);
if ((ptr[1] >> 4) != 0xF)
ra_id->mnc += (ptr[1] >> 4) * 100;
if (lai->lAC.size != 2) {
LOGP(DRANAP, LOGL_ERROR, "Invalid LAC size:"
" should be 2, is %d\n", lai->lAC.size);
return -1;
}
ra_id->lac = asn1str_to_u16(&lai->lAC);
/* TS 25.413 9.2.3.6 */
if (ra_id->lac == 0 || ra_id->lac == 0xfffe) {
LOGP(DRANAP, LOGL_ERROR, "Invalid LAC: 0x%hx\n",
ra_id->lac);
return -1;
}
return 0;
}
void ranap_set_log_area(int log_area)
{
_ranap_DRANAP = log_area;
}
int ranap_ip_from_transp_layer_addr(const BIT_STRING_t *in, uint32_t *ip)
{
uint8_t x213[] = {0x35, 0x00, 0x01};
/* Only support IPv4 for now - plain and with x213 encapsulation */
if (in->size == 4)
*ip = *(uint32_t *)in->buf;
else if ((in->size == 7) && !memcmp(in->buf, x213, sizeof(x213)))
*ip = htonl(*(uint32_t *)&in->buf[3]);
else
return -1;
return 0;
}
int ranap_decode_rab_setupormodifieditemies_fromlist(
RANAP_RAB_SetupOrModifiedItemIEs_t *raB_SetupOrModifiedItemIEs,
ANY_t *any_p) {
RANAP_RAB_SetupOrModifiedItem_t *ranaP_RABSetupOrModifiedItem_p = NULL;
int decoded;
assert(any_p != NULL);
assert(raB_SetupOrModifiedItemIEs != NULL);
memset(raB_SetupOrModifiedItemIEs, 0, sizeof(RANAP_RAB_SetupOrModifiedItemIEs_t));
RANAP_DEBUG("Decoding message RANAP_RAB_SetupOrModifiedItemIEs (%s:%d)\n", __FILE__, __LINE__);
decoded = ANY_to_type_aper(any_p, &asn_DEF_RANAP_RAB_SetupOrModifiedItem, (void**)&ranaP_RABSetupOrModifiedItem_p);
if (decoded < 0) {
RANAP_DEBUG("Decoding of IE raB_SetupOrModifiedItem failed\n");
return -1;
}
if (asn1_xer_print)
xer_fprint(stdout, &asn_DEF_RANAP_RAB_SetupOrModifiedItem, ranaP_RABSetupOrModifiedItem_p);
memcpy(&raB_SetupOrModifiedItemIEs->raB_SetupOrModifiedItem, ranaP_RABSetupOrModifiedItem_p, sizeof(RANAP_RAB_SetupOrModifiedItem_t));
FREEMEM(ranaP_RABSetupOrModifiedItem_p);
return decoded;
}
int ranap_decode_rab_faileditemies_fromlist(RANAP_RAB_FailedItemIEs_t *raB_FailedItemIEs, ANY_t *any_p)
{
RANAP_RAB_FailedItem_t *ranaP_RABFailedItem_p = NULL;
int decoded;
assert(any_p != NULL);
assert(raB_FailedItemIEs != NULL);
memset(raB_FailedItemIEs, 0, sizeof(RANAP_RAB_FailedItemIEs_t));
RANAP_DEBUG("Decoding message RANAP_RAB_FailedItemIEs (%s:%d)\n", __FILE__, __LINE__);
decoded = ANY_to_type_aper(any_p, &asn_DEF_RANAP_RAB_FailedItem, (void **)&ranaP_RABFailedItem_p);
if (decoded < 0) {
LOGP(DRANAP, LOGL_ERROR, "Decoding of IE raB_FailedItem failed\n");
return -1;
}
if (asn1_xer_print)
xer_fprint(stdout, &asn_DEF_RANAP_RAB_FailedItem, ranaP_RABFailedItem_p);
memcpy(&raB_FailedItemIEs->raB_FailedItem, ranaP_RABFailedItem_p, sizeof(RANAP_RAB_FailedItem_t));
FREEMEM(ranaP_RABFailedItem_p);
return decoded;
}
int ranap_decode_rab_releaseitemies_fromlist(RANAP_RAB_ReleaseItemIEs_t *raB_ReleaseItemIEs, ANY_t *any_p)
{
RANAP_RAB_FailedItem_t *ranaP_RABReleaseItem_p = NULL;
int decoded;
assert(any_p != NULL);
assert(raB_ReleaseItemIEs != NULL);
memset(raB_ReleaseItemIEs, 0, sizeof(RANAP_RAB_ReleaseItemIEs_t));
RANAP_DEBUG("Decoding message RANAP_RAB_ReleaseItemIEs (%s:%d)\n", __FILE__, __LINE__);
decoded = ANY_to_type_aper(any_p, &asn_DEF_RANAP_RAB_ReleaseItem, (void **)&ranaP_RABReleaseItem_p);
if (decoded < 0) {
LOGP(DRANAP, LOGL_ERROR, "Decoding of IE raB_ReleaseItem failed\n");
return -1;
}
if (asn1_xer_print)
xer_fprint(stdout, &asn_DEF_RANAP_RAB_ReleaseItem, ranaP_RABReleaseItem_p);
memcpy(&raB_ReleaseItemIEs->raB_ReleaseItem, ranaP_RABReleaseItem_p, sizeof(RANAP_RAB_ReleaseItem_t));
FREEMEM(ranaP_RABReleaseItem_p);
return decoded;
}
int ranap_decode_rab_setupormodifyitemfirst(
RANAP_RAB_SetupOrModifyItemFirst_t *raB_SetupOrModifyItemFirst,
ANY_t *any_p)
{
RANAP_RAB_SetupOrModifyItemFirst_t *ranaP_RABSetupOrModifyItemFirst_p = NULL;
int decoded;
assert(any_p != NULL);
assert(raB_SetupOrModifyItemFirst != NULL);
memset(raB_SetupOrModifyItemFirst, 0, sizeof(RANAP_RAB_SetupOrModifyItemFirst_t));
RANAP_DEBUG("Decoding message RANAP_RAB_SetupOrModifyItemFirst_t (%s:%d)\n", __FILE__, __LINE__);
decoded = ANY_to_type_aper(any_p, &asn_DEF_RANAP_RAB_SetupOrModifyItemFirst,
(void **)&ranaP_RABSetupOrModifyItemFirst_p);
if (decoded < 0) {
RANAP_DEBUG("Decoding of RANAP_RAB_SetupOrModifyItemFirst_t failed\n");
return -1;
}
if (asn1_xer_print)
xer_fprint(stdout, &asn_DEF_RANAP_RAB_SetupOrModifyItemFirst, ranaP_RABSetupOrModifyItemFirst_p);
memcpy(raB_SetupOrModifyItemFirst, ranaP_RABSetupOrModifyItemFirst_p, sizeof(RANAP_RAB_SetupOrModifyItemFirst_t));
FREEMEM(ranaP_RABSetupOrModifyItemFirst_p);
return decoded;
}
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