forked from acouzens/open5gs
- Update Kenb when required(after NAS SMC and after Attach req if
security_ctx avilable) - attach & detach & attach : Passed - attach & idel & ServiceRequest : Passed
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67003aef5a
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@ -128,7 +128,35 @@ void emm_handle_attach_request(
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if (SECURITY_CONTEXT_IS_VALID(mme_ue))
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{
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emm_handle_attach_accept(mme_ue);
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/* Update Kenb */
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mme_kdf_enb(mme_ue->kasme, mme_ue->ul_count.i32, mme_ue->kenb);
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/* FIXME :
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* Need to refine the code to start from ESM_Info_req.
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* Call esm_handle_s6a_update_location(bearer) here
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* or send event ?
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*/
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{
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mme_sess_t *sess = mme_sess_first(mme_ue);
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while(sess)
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{
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mme_bearer_t *bearer = mme_bearer_first(sess);
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while(bearer)
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{
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event_t e;
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event_set(&e, MME_EVT_ESM_BEARER_FROM_S6A);
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event_set_param1(&e, (c_uintptr_t)bearer->index);
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event_set_param2(&e,
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(c_uintptr_t)S6A_CMD_UPDATE_LOCATION);
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mme_event_send(&e);
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bearer = mme_bearer_next(bearer);
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}
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sess = mme_sess_next(sess);
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}
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}
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}
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else
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{
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@ -168,7 +196,36 @@ void emm_handle_attach_request(
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/* Known GUTI */
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if (SECURITY_CONTEXT_IS_VALID(mme_ue))
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{
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emm_handle_attach_accept(mme_ue);
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/* Update Kenb */
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mme_kdf_enb(mme_ue->kasme, mme_ue->ul_count.i32,
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mme_ue->kenb);
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/* FIXME :
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* Need to refine the code to start from ESM_Info_req.
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* Call esm_handle_s6a_update_location(bearer) here
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* or send event ?
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*/
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{
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mme_sess_t *sess = mme_sess_first(mme_ue);
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while(sess)
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{
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mme_bearer_t *bearer = mme_bearer_first(sess);
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while(bearer)
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{
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event_t e;
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event_set(&e, MME_EVT_ESM_BEARER_FROM_S6A);
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event_set_param1(&e, (c_uintptr_t)bearer->index);
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event_set_param2(&e,
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(c_uintptr_t)S6A_CMD_UPDATE_LOCATION);
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mme_event_send(&e);
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bearer = mme_bearer_next(bearer);
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}
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sess = mme_sess_next(sess);
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}
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}
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}
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else
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{
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@ -404,6 +461,7 @@ void emm_handle_authentication_response(mme_ue_t *mme_ue,
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mme_ue->kasme, mme_ue->knas_enc);
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mme_kdf_enb(mme_ue->kasme, mme_ue->ul_count.i32, mme_ue->kenb);
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d_info("[NAS] Security mode command : UE[%s] <-- EMM",
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mme_ue->imsi_bcd);
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@ -8,6 +8,7 @@
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#include "emm_handler.h"
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#include "emm_build.h"
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#include "mme_s6a_handler.h"
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#include "mme_kdf.h"
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void emm_state_initial(fsm_t *s, event_t *e)
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{
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@ -161,6 +162,12 @@ void emm_state_operational(fsm_t *s, event_t *e)
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{
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d_info("[NAS] Security mode complete : UE[%s] --> EMM",
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mme_ue->imsi_bcd);
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/* Update Kenb */
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if (SECURITY_CONTEXT_IS_VALID(mme_ue))
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mme_kdf_enb(mme_ue->kasme, mme_ue->ul_count.i32,
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mme_ue->kenb);
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mme_s6a_send_ulr(mme_ue);
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break;
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}
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@ -4,6 +4,7 @@
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#include "nas_message.h"
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#include "nas_security.h"
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#include "mme_kdf.h"
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status_t nas_security_encode(
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pkbuf_t **pkbuf, mme_ue_t *mme_ue, nas_message_t *message)
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@ -154,6 +155,10 @@ status_t nas_security_decode(mme_ue_t *mme_ue,
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mme_ue->mac_failed = 1;
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}
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/* Update Kenb */
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if (SECURITY_CONTEXT_IS_VALID(mme_ue))
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mme_kdf_enb(mme_ue->kasme, mme_ue->ul_count.i32, mme_ue->kenb);
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return CORE_OK;
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}
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