1 files changed, 86 insertions, 0 deletions
diff --git a/tests/hnb-test-ranap.c b/tests/hnb-test-ranap.c
new file mode 100644
index 0000000..fad5b8f
--- /dev/null
+++ b/tests/hnb-test-ranap.c
@@ -0,0 +1,86 @@
+#include <osmocom/core/msgb.h>
+#include <osmocom/ranap/ranap_ies_defs.h>
+#include <osmocom/ranap/iu_helpers.h>
+
+#include "hnb-test-layers.h"
+
+static const char *printstr(OCTET_STRING_t *s)
+{
+	return osmo_hexdump((const unsigned char*)s->buf, s->size);
+}
+
+#define PP(octet_string_t) \
+	printf(#octet_string_t " = %s\n",\
+	       printstr(&octet_string_t))
+
+void hnb_test_rua_dt_handle_ranap(void *priv, struct ranap_message_s *ranap_msg)
+{
+	int len;
+	uint8_t *data;
+	RANAP_PermittedIntegrityProtectionAlgorithms_t *algs;
+	RANAP_IntegrityProtectionAlgorithm_t *first_alg;
+	struct hnb_test *hnb = priv;
+
+	printf("rx ranap_msg->procedureCode %d\n",
+	       ranap_msg->procedureCode);
+
+	switch (ranap_msg->procedureCode) {
+	case RANAP_ProcedureCode_id_DirectTransfer:
+		printf("rx DirectTransfer: presence = %hx\n",
+		       ranap_msg->msg.directTransferIEs.presenceMask);
+		PP(ranap_msg->msg.directTransferIEs.nas_pdu);
+
+		len = ranap_msg->msg.directTransferIEs.nas_pdu.size;
+		data = ranap_msg->msg.directTransferIEs.nas_pdu.buf;
+
+		hnb_test_nas_rx_dtap(hnb, data, len);
+		return;
+
+	case RANAP_ProcedureCode_id_SecurityModeControl:
+		printf("rx SecurityModeControl: presence = %hx\n",
+		       ranap_msg->msg.securityModeCommandIEs.presenceMask);
+
+		/* Just pick the first available IP alg, don't care about
+		 * encryption (yet?) */
+		algs = &ranap_msg->msg.securityModeCommandIEs.integrityProtectionInformation.permittedAlgorithms;
+		if (algs->list.count < 1) {
+			printf("Security Mode Command: No permitted algorithms.\n");
+			return;
+		}
+		first_alg = *algs->list.array;
+
+		hnb_test_rx_secmode_cmd(hnb, *first_alg);
+		return;
+
+	case RANAP_ProcedureCode_id_Iu_Release:
+		hnb_test_rx_iu_release(hnb);
+		return;
+	}
+}
+
+void hnb_test_rua_cl_handle_ranap(void *priv, struct ranap_message_s *ranap_msg)
+{
+	char imsi[16];
+	struct hnb_test *hnb = priv;
+
+	printf("rx ranap_msg->procedureCode %d\n",
+	       ranap_msg->procedureCode);
+
+	switch (ranap_msg->procedureCode) {
+	case RANAP_ProcedureCode_id_Paging:
+		if (ranap_msg->msg.pagingIEs.permanentNAS_UE_ID.present == RANAP_PermanentNAS_UE_ID_PR_iMSI) {
+			ranap_bcd_decode(imsi, sizeof(imsi),
+					 ranap_msg->msg.pagingIEs.permanentNAS_UE_ID.choice.iMSI.buf,
+					 ranap_msg->msg.pagingIEs.permanentNAS_UE_ID.choice.iMSI.size);
+		} else imsi[0] = '\0';
+
+		printf("rx Paging: presence=%hx  domain=%ld  IMSI=%s\n",
+		       ranap_msg->msg.pagingIEs.presenceMask,
+		       ranap_msg->msg.pagingIEs.cN_DomainIndicator,
+		       imsi
+		       );
+
+		hnb_test_rx_paging(hnb, imsi);
+		return;
+	}
+}