diff options
| -rw-r--r-- | src/osmo-bsc/osmo_bsc_api.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/osmo-bsc/osmo_bsc_api.c b/src/osmo-bsc/osmo_bsc_api.c index f3c36c3c8..a86b4f99e 100644 --- a/src/osmo-bsc/osmo_bsc_api.c +++ b/src/osmo-bsc/osmo_bsc_api.c @@ -20,6 +20,7 @@ #include <osmocom/bsc/bsc_subscr_conn_fsm.h> #include <osmocom/bsc/osmo_bsc.h> #include <osmocom/bsc/bsc_msc_data.h> +#include <osmocom/bsc/bsc_subscriber.h> #include <osmocom/bsc/debug.h> #include <osmocom/bsc/gsm_04_80.h> @@ -258,8 +259,22 @@ static int complete_layer3(struct gsm_subscriber_connection *conn, return BSC_API_CONN_POL_REJECT; } - if (imsi) + /* TODO: also extract TMSI. We get an IMSI only when an initial L3 Complete comes in that + * contains an IMSI. We filter by IMSI. A TMSI identity is never returned here, see e.g. + * _cr_check_loc_upd() and other similar functions called from bsc_msg_filter_initial(). */ + if (imsi) { conn->filter_state.imsi = talloc_steal(conn, imsi); + if (conn->bsub) { + /* Already a subscriber on L3 Complete? Should never happen... */ + if (conn->bsub->imsi[0] + && strcmp(conn->bsub->imsi, imsi)) + LOGP(DMSC, LOGL_ERROR, "Subscriber's IMSI changes from %s to %s\n", + conn->bsub->imsi, imsi); + bsc_subscr_set_imsi(conn->bsub, imsi); + } else + conn->bsub = bsc_subscr_find_or_create_by_imsi(msc->network->bsc_subscribers, + imsi); + } conn->filter_state.con_type = con_type; /* check return value, if failed check msg for and send USSD */ |