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[SMF] Reply with error instead of crashing when IP pool is exhausted

This commit is contained in:
mitmitmitm 2023-06-05 09:24:20 +00:00 committed by Sukchan Lee
parent eb34bf6e2c
commit 02dd09e122
1 changed files with 21 additions and 1 deletions
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22
src/smf/nudm-handler.c
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@ -25,6 +25,7 @@ bool smf_nudm_sdm_handle_get(smf_sess_t *sess, ogs_sbi_stream_t *stream,
{
int r;
char *strerror = NULL;
uint8_t cause_value = 0;
smf_ue_t *smf_ue = NULL;
ogs_pkbuf_t *n1smbuf = NULL;
@ -306,7 +307,26 @@ bool smf_nudm_sdm_handle_get(smf_sess_t *sess, ogs_sbi_stream_t *stream,
}
/* Set UE IP Address to the Default DL PDR */
ogs_assert(OGS_PFCP_CAUSE_REQUEST_ACCEPTED == smf_sess_set_ue_ip(sess));
cause_value = smf_sess_set_ue_ip(sess);
if (cause_value == OGS_PFCP_CAUSE_NO_RESOURCES_AVAILABLE) {
strerror = ogs_msprintf("[%s:%d] No IP addresses available",
smf_ue->supi, sess->psi);
ogs_assert(strerror);
n1smbuf = gsm_build_pdu_session_establishment_reject(sess,
OGS_5GSM_CAUSE_INSUFFICIENT_RESOURCES_FOR_SPECIFIC_SLICE_AND_DNN);
ogs_assert(n1smbuf);
ogs_warn("%s", strerror);
smf_sbi_send_sm_context_create_error(stream,
OGS_SBI_HTTP_STATUS_INTERNAL_SERVER_ERROR, strerror, NULL, n1smbuf);
ogs_free(strerror);
return false;
}
ogs_assert(cause_value == OGS_PFCP_CAUSE_REQUEST_ACCEPTED);
/*********************************************************************
* Send HTTP_STATUS_CREATED(/nsmf-pdusession/v1/sm-context) to the AMF