diff options
Diffstat (limited to 'src/libmsc/iucs_ranap.c')
| -rw-r--r-- | src/libmsc/iucs_ranap.c | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/src/libmsc/iucs_ranap.c b/src/libmsc/iucs_ranap.c index abf18123b..57cd50eed 100644 --- a/src/libmsc/iucs_ranap.c +++ b/src/libmsc/iucs_ranap.c @@ -28,6 +28,8 @@ #include <osmocom/ranap/ranap_ies_defs.h> #include <osmocom/ranap/iu_client.h> +#include <osmocom/ranap/RANAP_IuTransportAssociation.h> +#include <osmocom/ranap/iu_helpers.h> #include <osmocom/msc/debug.h> #include <osmocom/msc/gsm_data.h> @@ -36,22 +38,54 @@ #include <osmocom/msc/vlr.h> #include <osmocom/msc/iucs_ranap.h> #include <osmocom/msc/osmo_msc.h> +#include <osmocom/msc/msc_mgcp.h> + +#include <asn1c/asn1helpers.h> /* To continue authorization after a Security Mode Complete */ int gsm0408_authorize(struct gsm_subscriber_connection *conn); -static int iucs_rx_rab_assign(struct gsm_subscriber_connection *conn, - RANAP_RAB_SetupOrModifiedItemIEs_t *setup_ies) +static int iucs_rx_rab_assign(struct gsm_subscriber_connection *conn, RANAP_RAB_SetupOrModifiedItemIEs_t * setup_ies) { uint8_t rab_id; RANAP_RAB_SetupOrModifiedItem_t *item = &setup_ies->raB_SetupOrModifiedItem; + RANAP_TransportLayerAddress_t *transp_layer_addr; + RANAP_IuTransportAssociation_t *transp_assoc; + uint16_t port = 0; + int rc; + char addr[INET_ADDRSTRLEN]; rab_id = item->rAB_ID.buf[0]; LOGP(DIUCS, LOGL_NOTICE, - "Received RAB assignment event for %s rab_id=%hhd\n", - vlr_subscr_name(conn->vsub), rab_id); + "Received RAB assignment event for %s rab_id=%hhd\n", vlr_subscr_name(conn->vsub), rab_id); + + if (item->iuTransportAssociation && item->transportLayerAddress) { + transp_layer_addr = item->transportLayerAddress; + transp_assoc = item->iuTransportAssociation; + + rc = ranap_transp_assoc_decode(&port, transp_assoc); + if (rc != 0) { + LOGP(DIUCS, LOGL_ERROR, + "Unable to decode RTP port in RAB assignment (%s rab_id=%hhd)\n", + vlr_subscr_name(conn->vsub), rab_id); + return 0; + } + + rc = ranap_transp_layer_addr_decode(addr, sizeof(addr), transp_layer_addr); + if (rc != 0) { + LOGP(DIUCS, LOGL_ERROR, + "Unable to decode IP-Address in RAB assignment (%s rab_id=%hhd)\n", + vlr_subscr_name(conn->vsub), rab_id); + return 0; + } + + return msc_mgcp_ass_complete(conn, port, addr); + } + LOGP(DIUCS, LOGL_ERROR, + "RAB assignment lacks RTP connection information. (%s rab_id=%hhd)\n", + vlr_subscr_name(conn->vsub), rab_id); return 0; } |