83 lines
3.0 KiB
C
83 lines
3.0 KiB
C
#define TRACE_MODULE _emm_build
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#include "core_debug.h"
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#include "nas_message.h"
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#include "nas_security.h"
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#include "emm_build.h"
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status_t emm_build_attach_accept(
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pkbuf_t **emmbuf, mme_ue_t *mme_ue, pkbuf_t *esmbuf)
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{
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nas_message_t message;
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nas_attach_accept_t *attach_accept = &message.emm.attach_accept;
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nas_eps_attach_result_t *eps_attach_result =
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&attach_accept->eps_attach_result;
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nas_gprs_timer_t *t3412_value = &attach_accept->t3412_value;
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nas_tracking_area_identity_list_t *tai_list = &attach_accept->tai_list;
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#if 1 /* TODO */
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nas_eps_mobile_identity_t *guti = &attach_accept->guti;
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#endif
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nas_gprs_timer_t *t3402_value = &attach_accept->t3402_value;
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nas_gprs_timer_t *t3423_value = &attach_accept->t3423_value;
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nas_eps_network_feature_support_t *eps_network_feature_support =
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&attach_accept->eps_network_feature_support;
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d_assert(mme_ue, return CORE_ERROR, "Null param");
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d_assert(mme_ue->enb_ue, return CORE_ERROR, "Null param");
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memset(&message, 0, sizeof(message));
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message.h.security_header_type =
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NAS_SECURITY_HEADER_INTEGRITY_PROTECTED_AND_CIPHERED;
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message.h.protocol_discriminator = NAS_PROTOCOL_DISCRIMINATOR_EMM;
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message.emm.h.protocol_discriminator = NAS_PROTOCOL_DISCRIMINATOR_EMM;
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message.emm.h.message_type = NAS_ATTACH_ACCEPT;
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eps_attach_result->result = NAS_ATTACH_RESULT_COMBINED_EPS_IMSI_ATTACH;
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t3412_value->unit = NAS_GRPS_TIMER_UNIT_MULTIPLES_OF_DECI_HH;
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t3412_value->value = 9;
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tai_list->length = 6;
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tai_list->type = 2;
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tai_list->num = 0; /* +1 = 1 elements */
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memcpy(&tai_list->type2.tai[0], &mme_ue->enb_ue->tai, sizeof(tai_t));
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attach_accept->esm_message_container.data = esmbuf->payload;
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attach_accept->esm_message_container.len = esmbuf->len;
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#if 1 /* TODO */
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attach_accept->presencemask |= NAS_ATTACH_ACCEPT_GUTI_PRESENT;
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guti->length = 11;
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guti->guti.odd_even = NAS_EPS_MOBILE_IDENTITY_EVEN;
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guti->guti.type = NAS_EPS_MOBILE_IDENTITY_GUTI;
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memcpy(&guti->guti.plmn_id, &mme_ue->visited_plmn_id, PLMN_ID_LEN);
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guti->guti.mme_gid = 2;
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guti->guti.mme_code = 1;
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guti->guti.m_tmsi = 0x040001fb;
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#endif
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attach_accept->presencemask |= NAS_ATTACH_ACCEPT_EMM_CAUSE_PRESENT;
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attach_accept->emm_cause = EMM_CAUSE_CS_DOMAIN_NOT_AVAILABLE;
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attach_accept->presencemask |= NAS_ATTACH_ACCEPT_T3402_VALUE_PRESENT;
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t3402_value->unit = NAS_GRPS_TIMER_UNIT_MULTIPLES_OF_1_MM;
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t3402_value->value = 12;
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attach_accept->presencemask |= NAS_ATTACH_ACCEPT_T3423_VALUE_PRESENT;
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t3423_value->unit = NAS_GRPS_TIMER_UNIT_MULTIPLES_OF_DECI_HH;
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t3423_value->value = 9;
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attach_accept->presencemask |=
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NAS_ATTACH_ACCEPT_EPS_NETWORK_FEATURE_SUPPORT_PRESENT;
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eps_network_feature_support->length = 1;
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eps_network_feature_support->esr_ps = 1;
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eps_network_feature_support->epc_lcs = 1;
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eps_network_feature_support->ims_vops = 1;
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d_assert(nas_security_encode(emmbuf, mme_ue, &message) == CORE_OK &&
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*emmbuf,,);
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pkbuf_free(esmbuf);
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return CORE_OK;
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}
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