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IuPS: send Security Mode Command, track the new_key flag. 

Change-Id: I0b2593c2df13b79eb36975b0d302e31cfdf8bb09
This commit is contained in:
Daniel Willmann 2016-05-21 00:16:55 +02:00 committed by Neels Hofmeyr
parent 770f3e32e0
commit 3ecfbbba6f
2 changed files with 14 additions and 0 deletions
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13
openbsc/src/gprs/gprs_gmm.c
View File

@ -612,6 +612,9 @@ static int gsm48_rx_gmm_auth_ciph_resp(struct sgsn_mm_ctx *ctx,
ctx->is_authenticated = 1;
if (ctx->ran_type == MM_CTX_T_UTRAN_Iu)
ctx->iu.new_key = 1;
/* FIXME: enable LLC cipheirng */
/* Check if we can let the mobile station enter */
@ -690,6 +693,9 @@ static void extract_subscr_hlr(struct sgsn_mm_ctx *ctx)
/* Check if we can already authorize a subscriber */
static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx)
{
#ifdef BUILD_IU
int rc;
#endif
#ifndef PTMSI_ALLOC
struct sgsn_signal_data sig_data;
#endif
@ -743,6 +749,13 @@ static int gsm48_gmm_authorize(struct sgsn_mm_ctx *ctx)
}
/* The MS is authorized */
#ifdef BUILD_IU
if (ctx->ran_type == MM_CTX_T_UTRAN_Iu && !ctx->iu.ue_ctx->integrity_active) {
rc = iu_tx_sec_mode_cmd(ctx->iu.ue_ctx, &ctx->auth_triplet, 0, ctx->iu.new_key);
ctx->iu.new_key = 0;
return rc;
}
#endif
switch (ctx->pending_req) {
case 0:

1
openbsc/src/gprs/gprs_sgsn.c
View File

@ -244,6 +244,7 @@ struct sgsn_mm_ctx *sgsn_mm_ctx_alloc_iu(void *uectx)
ctx->ran_type = MM_CTX_T_UTRAN_Iu;
ctx->iu.ue_ctx = uectx;
ctx->iu.new_key = 1;
ctx->mm_state = GMM_DEREGISTERED;
ctx->auth_triplet.key_seq = GSM_KEY_SEQ_INVAL;
ctx->ctrg = rate_ctr_group_alloc(ctx, &mmctx_ctrg_desc, 0);