diff options
| -rw-r--r-- | openbsc/src/gprs/gprs_subscriber.c | 110 |
1 files changed, 94 insertions, 16 deletions
diff --git a/openbsc/src/gprs/gprs_subscriber.c b/openbsc/src/gprs/gprs_subscriber.c index 2f3ae96de..fd16fa3ef 100644 --- a/openbsc/src/gprs/gprs_subscriber.c +++ b/openbsc/src/gprs/gprs_subscriber.c @@ -182,6 +182,7 @@ static int gprs_subscr_handle_gsup_auth_res(struct gsm_subscriber *subscr, } sdata->auth_triplets_updated = 1; + sdata->error_cause = 0; gprs_subscr_update_auth_info(subscr); @@ -211,43 +212,119 @@ static int gprs_subscr_handle_gsup_upd_loc_res(struct gsm_subscriber *subscr, } subscr->authorized = 1; + subscr->sgsn_data->error_cause = 0; gprs_subscr_update(subscr); return 0; } +static int check_cause(int cause) +{ + switch (cause) { + case GMM_CAUSE_IMSI_UNKNOWN ... GMM_CAUSE_ILLEGAL_ME: + case GMM_CAUSE_GPRS_NOTALLOWED ... GMM_CAUSE_NO_GPRS_PLMN: + return EACCES; + + case GMM_CAUSE_MSC_TEMP_NOTREACH ... GMM_CAUSE_CONGESTION: + return EAGAIN; + + case GMM_CAUSE_SEM_INCORR_MSG ... GMM_CAUSE_PROTO_ERR_UNSPEC: + default: + return EINVAL; + } +} + static int gprs_subscr_handle_gsup_auth_err(struct gsm_subscriber *subscr, struct gprs_gsup_message *gsup_msg) { unsigned idx; struct sgsn_subscriber_data *sdata = subscr->sgsn_data; + int cause_err; - LOGP(DGPRS, LOGL_INFO, - "Send authentication info has failed for IMSI %s with cause %d\n", - gsup_msg->imsi, gsup_msg->cause); + cause_err = check_cause(gsup_msg->cause); - /* Clear auth tuples */ - memset(sdata->auth_triplets, 0, sizeof(sdata->auth_triplets)); - for (idx = 0; idx < ARRAY_SIZE(sdata->auth_triplets); idx++) - sdata->auth_triplets[idx].key_seq = GSM_KEY_SEQ_INVAL; + LOGMMCTXP(LOGL_DEBUG, subscr->sgsn_data->mm, + "Send authentication info has failed with cause %d, " + "handled as: %s\n", + gsup_msg->cause, strerror(cause_err)); + + switch (cause_err) { + case EACCES: + LOGMMCTXP(LOGL_NOTICE, subscr->sgsn_data->mm, + "GPRS send auth info req failed, access denied, " + "GMM cause = '%s' (%d)\n", + get_value_string(gsm48_gmm_cause_names, gsup_msg->cause), + gsup_msg->cause); + /* Clear auth tuples */ + memset(sdata->auth_triplets, 0, sizeof(sdata->auth_triplets)); + for (idx = 0; idx < ARRAY_SIZE(sdata->auth_triplets); idx++) + sdata->auth_triplets[idx].key_seq = GSM_KEY_SEQ_INVAL; - subscr->authorized = 0; + subscr->authorized = 0; + sdata->error_cause = gsup_msg->cause; + gprs_subscr_update_auth_info(subscr); + break; - gprs_subscr_update_auth_info(subscr); - return 0; + case EAGAIN: + LOGMMCTXP(LOGL_NOTICE, subscr->sgsn_data->mm, + "GPRS send auth info req failed, GMM cause = '%s' (%d)\n", + get_value_string(gsm48_gmm_cause_names, gsup_msg->cause), + gsup_msg->cause); + break; + + default: + case EINVAL: + LOGMMCTXP(LOGL_ERROR, subscr->sgsn_data->mm, + "GSUP protocol remote error, GMM cause = '%s' (%d)\n", + get_value_string(gsm48_gmm_cause_names, gsup_msg->cause), + gsup_msg->cause); + break; + } + + return -gsup_msg->cause; } static int gprs_subscr_handle_gsup_upd_loc_err(struct gsm_subscriber *subscr, struct gprs_gsup_message *gsup_msg) { - LOGP(DGPRS, LOGL_INFO, - "Update location has failed for IMSI %s with cause %d\n", - gsup_msg->imsi, gsup_msg->cause); + int cause_err; - subscr->authorized = 0; + cause_err = check_cause(gsup_msg->cause); - gprs_subscr_update(subscr); - return 0; + LOGMMCTXP(LOGL_DEBUG, subscr->sgsn_data->mm, + "Update location has failed with cause %d, handled as: %s\n", + gsup_msg->cause, strerror(cause_err)); + + switch (cause_err) { + case EACCES: + LOGMMCTXP(LOGL_NOTICE, subscr->sgsn_data->mm, + "GPRS update location failed, access denied, " + "GMM cause = '%s' (%d)\n", + get_value_string(gsm48_gmm_cause_names, gsup_msg->cause), + gsup_msg->cause); + + subscr->authorized = 0; + subscr->sgsn_data->error_cause = gsup_msg->cause; + gprs_subscr_update_auth_info(subscr); + break; + + case EAGAIN: + LOGMMCTXP(LOGL_NOTICE, subscr->sgsn_data->mm, + "GPRS update location failed, GMM cause = '%s' (%d)\n", + get_value_string(gsm48_gmm_cause_names, gsup_msg->cause), + gsup_msg->cause); + break; + + default: + case EINVAL: + LOGMMCTXP(LOGL_ERROR, subscr->sgsn_data->mm, + "GSUP protocol remote error, GMM cause = '%s' (%d)\n", + get_value_string(gsm48_gmm_cause_names, gsup_msg->cause), + gsup_msg->cause); + break; + } + + return -gsup_msg->cause; } int gprs_subscr_rx_gsup_message(struct msgb *msg) @@ -286,6 +363,7 @@ int gprs_subscr_rx_gsup_message(struct msgb *msg) switch (gsup_msg.message_type) { case GPRS_GSUP_MSGT_LOCATION_CANCEL_REQUEST: + subscr->sgsn_data->error_cause = 0; gprs_subscr_put_and_cancel(subscr); subscr = NULL; break; |