diff options
Diffstat (limited to 'openbsc/src/gprs/gprs_subscriber.c')
| -rw-r--r-- | openbsc/src/gprs/gprs_subscriber.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/openbsc/src/gprs/gprs_subscriber.c b/openbsc/src/gprs/gprs_subscriber.c index 5f426f80c..2042ec6eb 100644 --- a/openbsc/src/gprs/gprs_subscriber.c +++ b/openbsc/src/gprs/gprs_subscriber.c @@ -766,14 +766,21 @@ int gprs_subscr_purge(struct gprs_subscr *subscr) return gprs_subscr_tx_gsup_message(subscr, &gsup_msg); } -int gprs_subscr_query_auth_info(struct gprs_subscr *subscr) +static int gprs_subscr_query_auth_info(struct gprs_subscr *subscr, + const uint8_t *auts, + const uint8_t *auts_rand) { struct osmo_gsup_message gsup_msg = {0}; - LOGGSUBSCRP(LOGL_INFO, subscr, - "subscriber auth info is not available\n"); + /* Make sure we have a complete resync or clearly no resync. */ + OSMO_ASSERT((auts != NULL) == (auts_rand != NULL)); + + LOGGSUBSCRP(LOGL_INFO, subscr, "requesting auth info%s\n", + auts ? " with AUTS (UMTS Resynch)" : ""); gsup_msg.message_type = OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST; + gsup_msg.auts = auts; + gsup_msg.rand = auts_rand; return gprs_subscr_tx_gsup_message(subscr, &gsup_msg); } @@ -854,7 +861,16 @@ int gprs_subscr_request_update_location(struct sgsn_mm_ctx *mmctx) return rc; } -int gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx) +/*! \brief Send Update Auth Info request via GSUP, with or without resync. + * \param[in] mmctx MM context to request authentication tuples for. + * \param[in] auts 14 octet AUTS token for UMTS resync, or NULL. + * \param[in] auts_rand 16 octet Random token for UMTS resync, or NULL. + * In case of normal Authentication Info request, both \a auts and \a auts_rand + * must be NULL. For resync, both must be non-NULL. + */ +int gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx, + const uint8_t *auts, + const uint8_t *auts_rand) { struct gprs_subscr *subscr = NULL; int rc; @@ -865,7 +881,7 @@ int gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx) subscr->flags |= GPRS_SUBSCRIBER_UPDATE_AUTH_INFO_PENDING; - rc = gprs_subscr_query_auth_info(subscr); + rc = gprs_subscr_query_auth_info(subscr, auts, auts_rand); gprs_subscr_put(subscr); return rc; } |