laforge submitted this change.
ranap_rab_ass: add decoder and rewrite functions for RAB-AssignmentRequest/Response
The RANAP RAB AssignmentRequest and AssignmentResponse contains the
IP-Address and the IP-Port for the RTP voice stream. In the comming MGCP
implementation we will have to extract and replace this information.
Lets add functions that do that in a convinient way.
Change-Id: I58b542bf23ff5e1db2ccf6833fec91d9ba332837
Related: OS#5152
---
M configure.ac
M include/osmocom/hnbgw/Makefile.am
A include/osmocom/hnbgw/ranap_rab_ass.h
M src/osmo-hnbgw/Makefile.am
A src/osmo-hnbgw/ranap_rab_ass.c
M tests/Makefile.am
A tests/ranap_rab_ass/Makefile.am
A tests/ranap_rab_ass/ranap_rab_ass_test.c
A tests/ranap_rab_ass/ranap_rab_ass_test.ok
M tests/testsuite.at
10 files changed, 841 insertions(+), 6 deletions(-)
diff --git a/configure.ac b/configure.ac
index a88ff42..520cd68 100644
--- a/configure.ac
+++ b/configure.ac
@@ -221,6 +221,7 @@
src/osmo-hnbgw/Makefile
tests/Makefile
tests/atlocal
+ tests/ranap_rab_ass/Makefile
doc/Makefile
doc/examples/Makefile
doc/manuals/Makefile
diff --git a/include/osmocom/hnbgw/Makefile.am b/include/osmocom/hnbgw/Makefile.am
index b2a667d..0ddd42e 100644
--- a/include/osmocom/hnbgw/Makefile.am
+++ b/include/osmocom/hnbgw/Makefile.am
@@ -1,4 +1,5 @@
noinst_HEADERS = \
vty.h \
context_map.h hnbgw.h hnbgw_cn.h \
- hnbgw_hnbap.h hnbgw_rua.h hnbgw_ranap.h
+ hnbgw_hnbap.h hnbgw_rua.h hnbgw_ranap.h \
+ ranap_rab_ass.h
diff --git a/include/osmocom/hnbgw/ranap_rab_ass.h b/include/osmocom/hnbgw/ranap_rab_ass.h
new file mode 100644
index 0000000..4cb8e37
--- /dev/null
+++ b/include/osmocom/hnbgw/ranap_rab_ass.h
@@ -0,0 +1,13 @@
+#pragma once
+
+int ranap_rab_ass_req_encode(uint8_t *data, unsigned int len,
+ RANAP_RAB_AssignmentRequestIEs_t *rab_assignment_request_ies);
+int ranap_rab_ass_resp_encode(uint8_t *data, unsigned int len,
+ RANAP_RAB_AssignmentResponseIEs_t *rab_assignment_response_ies);
+
+int ranap_rab_ass_req_ies_extract_inet_addr(struct osmo_sockaddr *addr, uint8_t *rab_id,
+ RANAP_RAB_AssignmentRequestIEs_t *ies);
+int ranap_rab_ass_resp_ies_extract_inet_addr(struct osmo_sockaddr *addr, RANAP_RAB_AssignmentResponseIEs_t *ies);
+
+int ranap_rab_ass_req_ies_replace_inet_addr(RANAP_RAB_AssignmentRequestIEs_t *ies, struct osmo_sockaddr *addr);
+int ranap_rab_ass_resp_ies_replace_inet_addr(RANAP_RAB_AssignmentResponseIEs_t *ies, struct osmo_sockaddr *addr);
diff --git a/src/osmo-hnbgw/Makefile.am b/src/osmo-hnbgw/Makefile.am
index bda8633..0948170 100644
--- a/src/osmo-hnbgw/Makefile.am
+++ b/src/osmo-hnbgw/Makefile.am
@@ -37,6 +37,7 @@
hnbgw_vty.c \
context_map.c \
hnbgw_cn.c \
+ ranap_rab_ass.c \
$(NULL)
osmo_hnbgw_LDADD = \
diff --git a/src/osmo-hnbgw/ranap_rab_ass.c b/src/osmo-hnbgw/ranap_rab_ass.c
new file mode 100644
index 0000000..f5d86a1
--- /dev/null
+++ b/src/osmo-hnbgw/ranap_rab_ass.c
@@ -0,0 +1,425 @@
+/* (C) 2021 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Philipp Maier
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/* Note: This files contains tools to decode and re-encode the RAB-AssignmentRequest. This set of tools is used by
+ * mgcp_fsm.c to extract and manipulate the transportLayerAddress. */
+
+#include <errno.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/sockaddr_str.h>
+#include <osmocom/hnbgw/hnbgw.h>
+#include <osmocom/ranap/ranap_common.h>
+#include <osmocom/ranap/ranap_common_cn.h>
+#include <osmocom/ranap/ranap_common_ran.h>
+#include <osmocom/ranap/iu_helpers.h>
+#include <asn1c/asn1helpers.h>
+
+/*! Encode RABAP RAB AssignmentRequest from RANAP_RAB_AssignmentRequestIEs.
+ * \ptmap[out] data user provided memory to store resulting ASN.1 encoded message.
+ * \ptmap[in] len length of user provided memory to store resulting ASN.1 encoded message.
+ * \ptmap[in] ies user provided memory with RANAP_RAB_AssignmentRequestIEs.
+ * \returns resulting message length on success; negative on error. */
+int ranap_rab_ass_req_encode(uint8_t *data, unsigned int len,
+ RANAP_RAB_AssignmentRequestIEs_t *rab_assignment_request_ies)
+{
+ int rc;
+ struct msgb *msg;
+ RANAP_RAB_AssignmentRequest_t _rab_assignment_request;
+ RANAP_RAB_AssignmentRequest_t *rab_assignment_request = &_rab_assignment_request;
+
+ memset(data, 0, len);
+ memset(rab_assignment_request, 0, sizeof(*rab_assignment_request));
+
+ rc = ranap_encode_rab_assignmentrequesties(rab_assignment_request, rab_assignment_request_ies);
+ if (rc < 0)
+ return -EINVAL;
+
+ /* generate an Initiating Mesasage */
+ msg = ranap_generate_initiating_message(RANAP_ProcedureCode_id_RAB_Assignment,
+ RANAP_Criticality_reject,
+ &asn_DEF_RANAP_RAB_AssignmentRequest, rab_assignment_request);
+
+ /* 'msg' has been generated, we cann now release the input 'out' */
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RAB_AssignmentRequest, rab_assignment_request);
+
+ if (!msg)
+ return -EINVAL;
+ if (msg->len > len)
+ return -EINVAL;
+
+ memcpy(data, msg->data, msg->len);
+ rc = msg->len;
+ msgb_free(msg);
+ return rc;
+}
+
+/*! Encode RABAP RAB AssignmentRequest from RANAP_RAB_AssignmentResponseIEs.
+ * \ptmap[out] data user provided memory to store resulting ASN.1 encoded message.
+ * \ptmap[in] len length of user provided memory to store resulting ASN.1 encoded message.
+ * \ptmap[in] ies user provided memory with RANAP_RAB_AssignmentResponseIEs.
+ * \returns resulting message length on success; negative on error. */
+int ranap_rab_ass_resp_encode(uint8_t *data, unsigned int len,
+ RANAP_RAB_AssignmentResponseIEs_t *rab_assignment_response_ies)
+{
+ int rc;
+ struct msgb *msg;
+
+ RANAP_RAB_AssignmentResponse_t _rab_assignment_response;
+ RANAP_RAB_AssignmentResponse_t *rab_assignment_response = &_rab_assignment_response;
+
+ memset(data, 0, len);
+ memset(rab_assignment_response, 0, sizeof(*rab_assignment_response));
+
+ rc = ranap_encode_rab_assignmentresponseies(rab_assignment_response, rab_assignment_response_ies);
+ if (rc < 0)
+ return -EINVAL;
+
+ /* generate an outcome mesasage */
+ msg = ranap_generate_outcome(RANAP_ProcedureCode_id_RAB_Assignment,
+ RANAP_Criticality_reject,
+ &asn_DEF_RANAP_RAB_AssignmentResponse, rab_assignment_response);
+
+ /* 'msg' has been generated, we cann now release the input 'out' */
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RAB_AssignmentResponse, rab_assignment_response);
+
+ if (!msg)
+ return -EINVAL;
+ if (msg->len > len)
+ return -EINVAL;
+
+ memcpy(data, msg->data, msg->len);
+ rc = msg->len;
+ msgb_free(msg);
+ return rc;
+}
+
+/* Pick the first item from the RAB setup-or-modify list and return the first protocol-ie-field-pair. This is based on
+ * the assumption that a PS call will only assign a signle RAB. This could be different for video calls and IMS but
+ * those are in practice a corner case, so we go for this simplified assumption for now. */
+static RANAP_ProtocolIE_FieldPair_t *prot_ie_field_pair_from_ass_req_ies(const RANAP_RAB_AssignmentRequestIEs_t *ies)
+{
+ RANAP_ProtocolIE_ContainerPair_t *protocol_ie_container_pair;
+ RANAP_ProtocolIE_FieldPair_t *protocol_ie_field_pair;
+
+ /* Make sure we indeed deal with a setup-or-modify list */
+ if (!(ies->presenceMask & RAB_ASSIGNMENTREQUESTIES_RANAP_RAB_SETUPORMODIFYLIST_PRESENT)) {
+ RANAP_DEBUG
+ ("Decoding failed, the RANAP RAB AssignmentRequest did not contain a setup-or-modify list!\n");
+ return NULL;
+ }
+
+ protocol_ie_container_pair = ies->raB_SetupOrModifyList.list.array[0];
+ protocol_ie_field_pair = protocol_ie_container_pair->list.array[0];
+
+ return protocol_ie_field_pair;
+}
+
+/* See also comment above prot_ie_field_pair_from_ass_req_ies */
+static RANAP_IE_t *setup_or_modif_item_from_rab_ass_resp(const RANAP_RAB_AssignmentResponseIEs_t *ies)
+{
+ /* Make sure we indeed deal with a setup-or-modified list */
+ if (!(ies->presenceMask & RAB_ASSIGNMENTRESPONSEIES_RANAP_RAB_SETUPORMODIFIEDLIST_PRESENT)) {
+ RANAP_DEBUG
+ ("Decoding failed, the RANAP RAB AssignmentResponse did not contain a setup-or-modified list!\n");
+ return NULL;
+ }
+
+ return ies->raB_SetupOrModifiedList.raB_SetupOrModifiedList_ies.list.array[0];
+}
+
+/*! Extract IP address and port from RANAP_RAB_AssignmentRequestIEs.
+ * \ptmap[out] addr user provided memory to store extracted RTP stream IP-Address and port number.
+ * \ptmap[out] rab_id pointer to store RAB-ID (optional, can be NULL).
+ * \ptmap[in] ies user provided memory with RANAP_RAB_AssignmentRequestIEs.
+ * \returns 0 on success; negative on error. */
+int ranap_rab_ass_req_ies_extract_inet_addr(struct osmo_sockaddr *addr, uint8_t *rab_id,
+ RANAP_RAB_AssignmentRequestIEs_t *ies)
+{
+ RANAP_ProtocolIE_FieldPair_t *protocol_ie_field_pair;
+ RANAP_RAB_SetupOrModifyItemFirst_t _rab_setup_or_modify_item_first;
+ RANAP_RAB_SetupOrModifyItemFirst_t *rab_setup_or_modify_item_first = &_rab_setup_or_modify_item_first;
+ RANAP_TransportLayerAddress_t *trasp_layer_addr;
+ RANAP_IuTransportAssociation_t *transp_assoc;
+ uint16_t port;
+ int rc;
+
+ protocol_ie_field_pair = prot_ie_field_pair_from_ass_req_ies(ies);
+ if (!protocol_ie_field_pair)
+ return -EINVAL;
+
+ if (protocol_ie_field_pair->id != RANAP_ProtocolIE_ID_id_RAB_SetupOrModifyItem) {
+ RANAP_DEBUG
+ ("Decoding failed, the protocol IE field-pair is not of type RANAP RAB setup-or-modify-item!\n");
+ return -EINVAL;
+ }
+
+ rc = ranap_decode_rab_setupormodifyitemfirst(rab_setup_or_modify_item_first,
+ &protocol_ie_field_pair->firstValue);
+ if (rc < 0)
+ return -EINVAL;
+
+ if (rab_id) {
+ /* The RAB-ID is defined as a bitstring with a size of 8 (1 byte),
+ * See also RANAP-IEs.asn, RAB-ID ::= BIT STRING (SIZE (8)) */
+ *rab_id = rab_setup_or_modify_item_first->rAB_ID.buf[0];
+ }
+
+ /* Decode IP-Address */
+ trasp_layer_addr = &rab_setup_or_modify_item_first->transportLayerInformation->transportLayerAddress;
+ rc = ranap_transp_layer_addr_decode2(addr, NULL, trasp_layer_addr);
+ if (rc < 0) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ /* Decode port number */
+ transp_assoc = &rab_setup_or_modify_item_first->transportLayerInformation->iuTransportAssociation;
+ rc = ranap_transp_assoc_decode(&port, transp_assoc);
+ if (rc < 0) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ switch (addr->u.sin.sin_family) {
+ case AF_INET:
+ addr->u.sin.sin_port = htons(port);
+ break;
+ case AF_INET6:
+ addr->u.sin6.sin6_port = htons(port);
+ break;
+ default:
+ rc = -EINVAL;
+ goto error;
+ }
+
+ rc = 0;
+error:
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RAB_SetupOrModifyItemFirst, rab_setup_or_modify_item_first);
+ return rc;
+}
+
+/*! Extract IP address and port from RANAP_RAB_AssignmentResponseIEs.
+ * \ptmap[out] addr user provided memory to store extracted RTP stream IP-Address and port number.
+ * \ptmap[in] ies user provided memory with RANAP_RAB_AssignmentResponseIEs.
+ * \returns 0 on success; negative on error. */
+int ranap_rab_ass_resp_ies_extract_inet_addr(struct osmo_sockaddr *addr, RANAP_RAB_AssignmentResponseIEs_t *ies)
+{
+ RANAP_IE_t *setup_or_modified_list_ie;
+ RANAP_RAB_SetupOrModifiedItemIEs_t _rab_setup_or_modified_items_ies;
+ RANAP_RAB_SetupOrModifiedItemIEs_t *rab_setup_or_modified_items_ies = &_rab_setup_or_modified_items_ies;
+ RANAP_RAB_SetupOrModifiedItem_t *rab_setup_or_modified_item;
+ uint16_t port;
+ int rc;
+
+ setup_or_modified_list_ie = setup_or_modif_item_from_rab_ass_resp(ies);
+ if (!setup_or_modified_list_ie)
+ return -EINVAL;
+
+ rc = ranap_decode_rab_setupormodifieditemies_fromlist(rab_setup_or_modified_items_ies,
+ &setup_or_modified_list_ie->value);
+ if (rc < 0) {
+ return -EINVAL;
+ }
+
+ rab_setup_or_modified_item = &rab_setup_or_modified_items_ies->raB_SetupOrModifiedItem;
+
+ /* Decode IP-Address */
+ rc = ranap_transp_layer_addr_decode2(addr, NULL, rab_setup_or_modified_item->transportLayerAddress);
+ if (rc < 0) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ /* Decode port number */
+ rc = ranap_transp_assoc_decode(&port, rab_setup_or_modified_item->iuTransportAssociation);
+ if (rc < 0) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ switch (addr->u.sin.sin_family) {
+ case AF_INET:
+ addr->u.sin.sin_port = htons(port);
+ break;
+ case AF_INET6:
+ addr->u.sin6.sin6_port = htons(port);
+ break;
+ default:
+ rc = -EINVAL;
+ goto error;
+ }
+
+ rc = 0;
+error:
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RAB_SetupOrModifiedItem, rab_setup_or_modified_items_ies);
+ return rc;
+}
+
+/*! Replace IP address and port in RANAP_RAB_AssignmentRequestIEs.
+ * \ptmap[inout] ies user provided memory with RANAP_RAB_AssignmentRequestIEs.
+ * \ptmap[in] addr user provided memory that contains the new RTP stream IP-Address and port number.
+ * \returns 0 on success; negative on error. */
+int ranap_rab_ass_req_ies_replace_inet_addr(RANAP_RAB_AssignmentRequestIEs_t *ies, struct osmo_sockaddr *addr)
+{
+ RANAP_ProtocolIE_FieldPair_t *protocol_ie_field_pair;
+ RANAP_RAB_SetupOrModifyItemFirst_t _rab_setup_or_modify_item_first;
+ RANAP_RAB_SetupOrModifyItemFirst_t *rab_setup_or_modify_item_first = &_rab_setup_or_modify_item_first;
+ RANAP_TransportLayerInformation_t *old_transport_layer_information = NULL;
+ RANAP_TransportLayerInformation_t *new_transport_layer_information = NULL;
+ struct osmo_sockaddr addr_old;
+ bool uses_x213_nsap;
+ int rc;
+
+ protocol_ie_field_pair = prot_ie_field_pair_from_ass_req_ies(ies);
+ if (!protocol_ie_field_pair)
+ return -EINVAL;
+
+ if (protocol_ie_field_pair->id != RANAP_ProtocolIE_ID_id_RAB_SetupOrModifyItem) {
+ RANAP_DEBUG("Rewriting transport layer information failed, unexpected IE field-pair type!\n");
+ return -EINVAL;
+ }
+
+ /* Decode setup-or-modifiy item (first) */
+ rc = ranap_decode_rab_setupormodifyitemfirst(rab_setup_or_modify_item_first,
+ &protocol_ie_field_pair->firstValue);
+ if (rc < 0)
+ return -EINVAL;
+
+ /* Replace transport-layer-information */
+ if (rab_setup_or_modify_item_first->transportLayerInformation->iuTransportAssociation.present ==
+ RANAP_IuTransportAssociation_PR_bindingID) {
+ old_transport_layer_information = rab_setup_or_modify_item_first->transportLayerInformation;
+
+ /* Before we can re-encode the transport layer information, we need to know the format it was
+ * encoded in. */
+ rc = ranap_transp_layer_addr_decode2(&addr_old, &uses_x213_nsap,
+ &old_transport_layer_information->transportLayerAddress);
+ if (rc < 0) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ /* Encode a new transport layer information field */
+ new_transport_layer_information = ranap_new_transp_info_rtp(addr, uses_x213_nsap);
+ if (!new_transport_layer_information) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ rab_setup_or_modify_item_first->transportLayerInformation = new_transport_layer_information;
+ } else {
+ RANAP_DEBUG("Rewriting transport layer information failed, no bindingID (port)!\n");
+ rc = -EINVAL;
+ goto error;
+ }
+
+ /* Reencode transport-layer-information */
+ rc = ANY_fromType_aper(&protocol_ie_field_pair->firstValue, &asn_DEF_RANAP_RAB_SetupOrModifyItemFirst,
+ rab_setup_or_modify_item_first);
+ if (rc < 0) {
+ RANAP_DEBUG("Rewriting transport layer information failed, could not reencode\n");
+ rc = -EINVAL;
+ goto error;
+ }
+
+error:
+ /* Restore original state of the modified ASN.1 struct so that the asn1c free mechanisms can work properly */
+ if (old_transport_layer_information)
+ rab_setup_or_modify_item_first->transportLayerInformation = old_transport_layer_information;
+
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RAB_SetupOrModifyItemFirst, rab_setup_or_modify_item_first);
+ if (new_transport_layer_information)
+ ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, new_transport_layer_information);
+ return rc;
+}
+
+/*! Replace IP address and port in RANAP_RAB_AssignmentResponseIEs.
+ * \ptmap[inout] ies user provided memory with RANAP_RAB_AssignmentResponseIEs.
+ * \ptmap[in] addr user provided memory that contains the new RTP stream IP-Address and port number.
+ * \returns 0 on success; negative on error. */
+int ranap_rab_ass_resp_ies_replace_inet_addr(RANAP_RAB_AssignmentResponseIEs_t *ies, struct osmo_sockaddr *addr)
+{
+ RANAP_IE_t *setup_or_modified_list_ie;
+ RANAP_RAB_SetupOrModifiedItemIEs_t _rab_setup_or_modified_items_ies;
+ RANAP_RAB_SetupOrModifiedItemIEs_t *rab_setup_or_modified_items_ies = &_rab_setup_or_modified_items_ies;
+ RANAP_RAB_SetupOrModifiedItem_t *rab_setup_or_modified_item;
+ RANAP_TransportLayerInformation_t *temp_transport_layer_information = NULL;
+ RANAP_TransportLayerAddress_t *old_transport_layer_address = NULL;
+ RANAP_IuTransportAssociation_t *old_iu_transport_association = NULL;
+ struct osmo_sockaddr addr_old;
+ bool uses_x213_nsap;
+ int rc;
+
+ setup_or_modified_list_ie = setup_or_modif_item_from_rab_ass_resp(ies);
+ if (!setup_or_modified_list_ie)
+ return -EINVAL;
+
+ rc = ranap_decode_rab_setupormodifieditemies_fromlist(rab_setup_or_modified_items_ies,
+ &setup_or_modified_list_ie->value);
+ if (rc < 0)
+ return -EINVAL;
+
+ rab_setup_or_modified_item = &rab_setup_or_modified_items_ies->raB_SetupOrModifiedItem;
+
+ /* Before we can re-encode the transport layer address, we need to know the format it was encoded in. */
+ rc = ranap_transp_layer_addr_decode2(&addr_old, &uses_x213_nsap,
+ rab_setup_or_modified_item->transportLayerAddress);
+ if (rc < 0) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ /* Generate a temporary transport layer information, from which we can use the transport layer address and
+ * the iu transport association to update the setup or modified item */
+ temp_transport_layer_information = ranap_new_transp_info_rtp(addr, uses_x213_nsap);
+ if (!temp_transport_layer_information) {
+ rc = -EINVAL;
+ goto error;
+ }
+
+ /* Replace transport layer address and iu transport association */
+ old_transport_layer_address = rab_setup_or_modified_item->transportLayerAddress;
+ old_iu_transport_association = rab_setup_or_modified_item->iuTransportAssociation;
+ rab_setup_or_modified_item->transportLayerAddress = &temp_transport_layer_information->transportLayerAddress;
+ rab_setup_or_modified_item->iuTransportAssociation = &temp_transport_layer_information->iuTransportAssociation;
+
+ /* Reencode modified setup or modified list */
+ rc = ANY_fromType_aper(&setup_or_modified_list_ie->value, &asn_DEF_RANAP_RAB_SetupOrModifiedItem,
+ rab_setup_or_modified_items_ies);
+ if (rc < 0) {
+ RANAP_DEBUG("Rewriting transport layer address failed, could not reencode\n");
+ rc = -EINVAL;
+ goto error;
+ }
+
+error:
+ /* Restore original state of the modified ASN.1 struct so that the asn1c free mechanisms can work properly */
+ if (old_transport_layer_address)
+ rab_setup_or_modified_item->transportLayerAddress = old_transport_layer_address;
+ if (old_iu_transport_association)
+ rab_setup_or_modified_item->iuTransportAssociation = old_iu_transport_association;
+ if (temp_transport_layer_information)
+ ASN_STRUCT_FREE(asn_DEF_RANAP_TransportLayerInformation, temp_transport_layer_information);
+
+ ASN_STRUCT_FREE_CONTENTS_ONLY(asn_DEF_RANAP_RAB_SetupOrModifiedItem, rab_setup_or_modified_items_ies);
+
+ return rc;
+}
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 899e436..f9da51f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,4 +1,5 @@
SUBDIRS = \
+ ranap_rab_ass \
$(NULL)
# The `:;' works around a Bash 3.2 bug when the output is not writeable.
diff --git a/tests/ranap_rab_ass/Makefile.am b/tests/ranap_rab_ass/Makefile.am
new file mode 100644
index 0000000..8d1df7a
--- /dev/null
+++ b/tests/ranap_rab_ass/Makefile.am
@@ -0,0 +1,37 @@
+AM_CPPFLAGS = \
+ $(all_includes) \
+ -I$(top_srcdir)/include \
+ $(NULL)
+
+AM_CFLAGS = \
+ -Wall \
+ -ggdb3 \
+ $(LIBASN1C_CFLAGS) \
+ $(LIBOSMOCORE_CFLAGS) \
+ $(LIBOSMOVTY_CFLAGS) \
+ $(LIBOSMORANAP_CFLAGS) \
+ $(LIBOSMOSIGTRAN_CFLAGS) \
+ $(COVERAGE_CFLAGS) \
+ $(NULL)
+
+EXTRA_DIST = \
+ ranap_rab_ass_test.ok \
+ $(NULL)
+
+noinst_PROGRAMS = \
+ ranap_rab_ass_test \
+ $(NULL)
+
+ranap_rab_ass_test_SOURCES = \
+ ranap_rab_ass_test.c \
+ $(NULL)
+
+ranap_rab_ass_test_LDADD = \
+ $(LIBASN1C_LIBS) \
+ $(LIBOSMOCORE_LIBS) \
+ $(LIBOSMOVTY_LIBS) \
+ $(LIBOSMORANAP_LIBS) \
+ $(LIBOSMOSIGTRAN_LIBS) \
+ $(COVERAGE_LDFLAGS) \
+ $(top_builddir)/src/osmo-hnbgw/ranap_rab_ass.o \
+ $(NULL)
diff --git a/tests/ranap_rab_ass/ranap_rab_ass_test.c b/tests/ranap_rab_ass/ranap_rab_ass_test.c
new file mode 100644
index 0000000..c67b5aa
--- /dev/null
+++ b/tests/ranap_rab_ass/ranap_rab_ass_test.c
@@ -0,0 +1,340 @@
+/* (C) 2021 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
+ * All Rights Reserved
+ *
+ * Author: Philipp Maier
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <osmocom/core/application.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/utils.h>
+#include <osmocom/core/socket.h>
+#include <osmocom/core/sockaddr_str.h>
+#include <osmocom/hnbgw/hnbgw.h>
+
+#include <osmocom/ranap/ranap_ies_defs.h>
+#include <osmocom/ranap/iu_helpers.h>
+#include <osmocom/hnbgw/ranap_rab_ass.h>
+#include <osmocom/ranap/ranap_common.h>
+#include <osmocom/ranap/ranap_common_cn.h>
+#include <osmocom/ranap/ranap_common_ran.h>
+
+static void *tall_hnb_ctx;
+static void *msgb_ctx;
+extern void *talloc_asn1_ctx;
+
+void test_ranap_rab_ass_req_decode_encode(void)
+{
+ int rc;
+ ranap_message message;
+ uint8_t testvec[] = {
+ 0x00, 0x00, 0x00, 0x59, 0x00, 0x00, 0x01, 0x00,
+ 0x36, 0x40, 0x52, 0x00, 0x00, 0x01, 0x00, 0x35,
+ 0x00, 0x48, 0x78, 0x22, 0xcd, 0x80, 0x10, 0x2f,
+ 0xa7, 0x20, 0x1a, 0x2c, 0x00, 0x00, 0xf4, 0x4c,
+ 0x08, 0x0a, 0x02, 0x80, 0x00, 0x51, 0x40, 0x00,
+ 0x27, 0x20, 0x28, 0x14, 0x00, 0x67, 0x40, 0x00,
+ 0x00, 0x22, 0x28, 0x14, 0x00, 0x3c, 0x40, 0x00,
+ 0x00, 0x00, 0x50, 0x3d, 0x02, 0x00, 0x02, 0x27,
+ 0xc0, 0x35, 0x00, 0x01, 0x0a, 0x09, 0x01, 0xa2,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1f, 0x76,
+ 0x00, 0x00, 0x40, 0x01, 0x00, 0x00
+ };
+ uint8_t encoded[sizeof(testvec)];
+
+ rc = ranap_ran_rx_co_decode(talloc_asn1_ctx, &message, testvec, sizeof(testvec));
+ OSMO_ASSERT(rc == 0);
+
+ rc = ranap_rab_ass_req_encode(encoded, sizeof(encoded), &message.msg.raB_AssignmentRequestIEs);
+ printf("ranap_rab_ass_req_encode rc=%d\n", rc);
+
+ printf("INPUT: %s\n", osmo_hexdump_nospc(testvec, sizeof(testvec)));
+ printf("RESULT: %s\n", osmo_hexdump_nospc(encoded, sizeof(encoded)));
+ OSMO_ASSERT(memcmp(testvec, encoded, sizeof(testvec)) == 0);
+
+ ranap_ran_rx_co_free(&message);
+}
+
+void test_ranap_rab_ass_resp_decode_encode(void)
+{
+ int rc;
+ ranap_message message;
+ uint8_t testvec[] = {
+ 0x60, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x01, 0x00,
+ 0x34, 0x40, 0x23, 0x00, 0x00, 0x01, 0x00, 0x33,
+ 0x40, 0x1c, 0x60, 0x3a, 0x7c, 0x35, 0x00, 0x01,
+ 0x0a, 0x09, 0x01, 0xa4, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x40, 0x04, 0x0a, 0x00, 0x00
+ };
+ uint8_t encoded[sizeof(testvec)];
+
+ rc = ranap_cn_rx_co_decode(talloc_asn1_ctx, &message, testvec, sizeof(testvec));
+ OSMO_ASSERT(rc == 0);
+
+ rc = ranap_rab_ass_resp_encode(encoded, sizeof(encoded), &message.msg.raB_AssignmentResponseIEs);
+ printf("ranap_rab_ass_resp_encode rc=%d\n", rc);
+
+ printf("INPUT: %s\n", osmo_hexdump_nospc(testvec, sizeof(testvec)));
+ printf("RESULT: %s\n", osmo_hexdump_nospc(encoded, sizeof(encoded)));
+ OSMO_ASSERT(memcmp(testvec, encoded, sizeof(testvec)) == 0);
+
+ ranap_cn_rx_co_free(&message);
+}
+
+void test_ranap_rab_ass_req_extract_inet_addr(void)
+{
+ int rc;
+ struct osmo_sockaddr addr;
+ struct osmo_sockaddr_str addr_str;
+ uint8_t rab_id;
+ ranap_message message;
+ uint8_t testvec[] = {
+ 0x00, 0x00, 0x00, 0x59, 0x00, 0x00, 0x01, 0x00,
+ 0x36, 0x40, 0x52, 0x00, 0x00, 0x01, 0x00, 0x35,
+ 0x00, 0x48, 0x78, 0x22, 0xcd, 0x80, 0x10, 0x2f,
+ 0xa7, 0x20, 0x1a, 0x2c, 0x00, 0x00, 0xf4, 0x4c,
+ 0x08, 0x0a, 0x02, 0x80, 0x00, 0x51, 0x40, 0x00,
+ 0x27, 0x20, 0x28, 0x14, 0x00, 0x67, 0x40, 0x00,
+ 0x00, 0x22, 0x28, 0x14, 0x00, 0x3c, 0x40, 0x00,
+ 0x00, 0x00, 0x50, 0x3d, 0x02, 0x00, 0x02, 0x27,
+ 0xc0, 0x35, 0x00, 0x01, 0x0a, 0x09, 0x01, 0xa2,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1f, 0x76,
+ 0x00, 0x00, 0x40, 0x01, 0x00, 0x00
+ };
+
+ rc = ranap_ran_rx_co_decode(talloc_asn1_ctx, &message, testvec, sizeof(testvec));
+ OSMO_ASSERT(rc == 0);
+ rc = ranap_rab_ass_req_ies_extract_inet_addr(&addr, &rab_id, &message.msg.raB_AssignmentRequestIEs);
+ osmo_sockaddr_str_from_sockaddr(&addr_str, &addr.u.sas);
+ printf("ranap_rab_ass_req_extract_inet_addr rc=%d\n", rc);
+ printf("RESULT: addr=%s, port=%u, rab-id=%02x\n", addr_str.ip, addr_str.port, rab_id);
+ ranap_ran_rx_co_free(&message);
+}
+
+void test_ranap_rab_ass_resp_extract_inet_addr(void)
+{
+ int rc;
+ struct osmo_sockaddr addr;
+ struct osmo_sockaddr_str addr_str;
+ ranap_message message;
+ uint8_t testvec[] = {
+ 0x60, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x01, 0x00,
+ 0x34, 0x40, 0x23, 0x00, 0x00, 0x01, 0x00, 0x33,
+ 0x40, 0x1c, 0x60, 0x3a, 0x7c, 0x35, 0x00, 0x01,
+ 0x0a, 0x09, 0x01, 0xa4, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x40, 0x04, 0x0a, 0x00, 0x00
+ };
+
+ rc = ranap_cn_rx_co_decode(talloc_asn1_ctx, &message, testvec, sizeof(testvec));
+ OSMO_ASSERT(rc == 0);
+ rc = ranap_rab_ass_resp_ies_extract_inet_addr(&addr, &message.msg.raB_AssignmentResponseIEs);
+ osmo_sockaddr_str_from_sockaddr(&addr_str, &addr.u.sas);
+ printf("ranap_rab_ass_resp_extract_inet_addr rc=%d\n", rc);
+ printf("RESULT: addr=%s, port=%u\n", addr_str.ip, addr_str.port);
+ ranap_cn_rx_co_free(&message);
+}
+
+void test_ranap_rab_ass_req_replace_inet_addr(void)
+{
+ int rc;
+ struct osmo_sockaddr addr;
+ struct osmo_sockaddr_str addr_str;
+ ranap_message message;
+ uint8_t testvec_in[] = {
+ 0x00, 0x00, 0x00, 0x59, 0x00, 0x00, 0x01, 0x00,
+ 0x36, 0x40, 0x52, 0x00, 0x00, 0x01, 0x00, 0x35,
+ 0x00, 0x48, 0x78, 0x4e, 0xcd, 0x80, 0x10, 0x2f,
+ 0xa7, 0x20, 0x1a, 0x2c, 0x00, 0x00, 0xf4, 0x4c,
+ 0x08, 0x0a, 0x02, 0x80, 0x00, 0x51, 0x40, 0x00,
+ 0x27, 0x20, 0x28, 0x14, 0x00, 0x67, 0x40, 0x00,
+ 0x00, 0x22, 0x28, 0x14, 0x00, 0x3c, 0x40, 0x00,
+ 0x00, 0x00, 0x50, 0x3d, 0x02, 0x00, 0x02, 0x27,
+ 0xc0, 0x35, 0x00, 0x01, 0x0a, 0x09, 0x01, 0xa2,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x1f, 0xba,
+ 0x00, 0x00, 0x40, 0x01, 0x00
+ };
+ uint8_t testvec_expected_out[] = {
+ 0x00, 0x00, 0x00, 0x59, 0x00, 0x00, 0x01, 0x00,
+ 0x36, 0x40, 0x52, 0x00, 0x00, 0x01, 0x00, 0x35,
+ 0x00, 0x48, 0x78, 0x4e, 0xcd, 0x80, 0x10, 0x2f,
+ 0xa7, 0x20, 0x1a, 0x2c, 0x00, 0x00, 0xf4, 0x4c,
+ 0x08, 0x0a, 0x02, 0x80, 0x00, 0x51, 0x40, 0x00,
+ 0x27, 0x20, 0x28, 0x14, 0x00, 0x67, 0x40, 0x00,
+ 0x00, 0x22, 0x28, 0x14, 0x00, 0x3c, 0x40, 0x00,
+ 0x00, 0x00, 0x50, 0x3d, 0x02, 0x00, 0x02, 0x27,
+ 0xc0, 0x35, 0x00, 0x01, 0x01, 0x02, 0x03, 0x04,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x04, 0xd2,
+ 0x00, 0x00, 0x40, 0x01, 0x00
+ };
+
+ rc = ranap_ran_rx_co_decode(talloc_asn1_ctx, &message, testvec_in, sizeof(testvec_in));
+ OSMO_ASSERT(rc == 0);
+
+ rc = ranap_rab_ass_req_ies_extract_inet_addr(&addr, NULL, &message.msg.raB_AssignmentRequestIEs);
+ OSMO_ASSERT(rc == 0);
+ osmo_sockaddr_str_from_sockaddr(&addr_str, &addr.u.sas);
+ printf("before: addr=%s, port=%u\n", addr_str.ip, addr_str.port);
+
+ memset(&addr_str, 0, sizeof(addr_str));
+ addr_str.af = AF_INET;
+ addr_str.port = 1234;
+ osmo_strlcpy(addr_str.ip, "1.2.3.4", sizeof(addr_str.ip));
+ osmo_sockaddr_str_to_sockaddr(&addr_str, &addr.u.sas);
+
+ rc = ranap_rab_ass_req_ies_replace_inet_addr(&message.msg.raB_AssignmentRequestIEs, &addr);
+ printf("ranap_rab_ass_req_replace_inet_addr rc=%d\n", rc);
+
+ rc = ranap_rab_ass_req_ies_extract_inet_addr(&addr, NULL, &message.msg.raB_AssignmentRequestIEs);
+ OSMO_ASSERT(rc == 0);
+ osmo_sockaddr_str_from_sockaddr(&addr_str, &addr.u.sas);
+ printf("after: addr=%s, port=%u\n", addr_str.ip, addr_str.port);
+
+ rc = ranap_rab_ass_req_encode(testvec_in, sizeof(testvec_in), &message.msg.raB_AssignmentRequestIEs);
+ OSMO_ASSERT(rc == sizeof(testvec_in));
+ OSMO_ASSERT(memcmp(testvec_in, testvec_expected_out, sizeof(testvec_in)) == 0);
+
+ ranap_ran_rx_co_free(&message);
+}
+
+void test_ranap_rab_ass_resp_replace_inet_addr(void)
+{
+ int rc;
+ struct osmo_sockaddr addr;
+ struct osmo_sockaddr_str addr_str;
+ ranap_message message;
+ uint8_t testvec_in[] = {
+ 0x60, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x01, 0x00,
+ 0x34, 0x40, 0x23, 0x00, 0x00, 0x01, 0x00, 0x33,
+ 0x40, 0x1c, 0x60, 0x32, 0x7c, 0x35, 0x00, 0x01,
+ 0x0a, 0x09, 0x01, 0xa4, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x40, 0x04, 0x0a, 0x00, 0x00
+ };
+ uint8_t testvec_expected_out[] = {
+ 0x60, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x01, 0x00,
+ 0x34, 0x40, 0x23, 0x00, 0x00, 0x01, 0x00, 0x33,
+ 0x40, 0x1c, 0x60, 0x32, 0x7c, 0x35, 0x00, 0x01,
+ 0x01, 0x02, 0x03, 0x04, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x40, 0x04, 0xd2, 0x00, 0x00
+ };
+
+ rc = ranap_cn_rx_co_decode(talloc_asn1_ctx, &message, testvec_in, sizeof(testvec_in));
+ OSMO_ASSERT(rc == 0);
+
+ rc = ranap_rab_ass_resp_ies_extract_inet_addr(&addr, &message.msg.raB_AssignmentResponseIEs);
+ OSMO_ASSERT(rc == 0);
+ osmo_sockaddr_str_from_sockaddr(&addr_str, &addr.u.sas);
+ printf("before: addr=%s, port=%u\n", addr_str.ip, addr_str.port);
+
+ memset(&addr_str, 0, sizeof(addr_str));
+ addr_str.af = AF_INET;
+ addr_str.port = 1234;
+ osmo_strlcpy(addr_str.ip, "1.2.3.4", sizeof(addr_str.ip));
+ osmo_sockaddr_str_to_sockaddr(&addr_str, &addr.u.sas);
+
+ rc = ranap_rab_ass_resp_ies_replace_inet_addr(&message.msg.raB_AssignmentResponseIEs, &addr);
+ printf("ranap_rab_ass_resp_replace_inet_addr rc=%d\n", rc);
+
+ rc = ranap_rab_ass_resp_ies_extract_inet_addr(&addr, &message.msg.raB_AssignmentResponseIEs);
+ OSMO_ASSERT(rc == 0);
+ osmo_sockaddr_str_from_sockaddr(&addr_str, &addr.u.sas);
+ printf("after: addr=%s, port=%u\n", addr_str.ip, addr_str.port);
+
+ rc = ranap_rab_ass_resp_encode(testvec_in, sizeof(testvec_in), &message.msg.raB_AssignmentResponseIEs);
+ OSMO_ASSERT(rc == sizeof(testvec_in));
+ OSMO_ASSERT(memcmp(testvec_in, testvec_expected_out, sizeof(testvec_in)) == 0);
+
+ ranap_cn_rx_co_free(&message);
+}
+
+static const struct log_info_cat log_cat[] = {
+ [DRANAP] = {
+ .name = "RANAP", .loglevel = LOGL_DEBUG, .enabled = 1,
+ .color = "",
+ .description = "RAN Application Part",
+ },
+};
+
+static const struct log_info test_log_info = {
+ .cat = log_cat,
+ .num_cat = ARRAY_SIZE(log_cat),
+};
+
+int test_init(void)
+{
+ int rc;
+
+ tall_hnb_ctx = talloc_named_const(NULL, 0, "hnb_context");
+ msgb_ctx = msgb_talloc_ctx_init(NULL, 0);
+ talloc_asn1_ctx = talloc_named_const(NULL, 0, "asn1_context");
+
+ rc = osmo_init_logging2(tall_hnb_ctx, &test_log_info);
+ if (rc < 0)
+ exit(1);
+
+ log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE);
+ log_set_use_color(osmo_stderr_target, 0);
+ log_set_print_category(osmo_stderr_target, 0);
+ log_set_print_category_hex(osmo_stderr_target, 0);
+ return rc;
+}
+
+void test_cleanup(void)
+{
+ if (talloc_total_blocks(msgb_ctx) != 1 || talloc_total_size(msgb_ctx) != 0)
+ talloc_report_full(msgb_ctx, stderr);
+
+ OSMO_ASSERT(talloc_total_blocks(msgb_ctx) == 1);
+ OSMO_ASSERT(talloc_total_size(msgb_ctx) == 0);
+ talloc_free(msgb_ctx);
+
+ if (talloc_total_blocks(talloc_asn1_ctx) != 1 || talloc_total_size(talloc_asn1_ctx) != 0)
+ talloc_report_full(talloc_asn1_ctx, stderr);
+
+ OSMO_ASSERT(talloc_total_blocks(talloc_asn1_ctx) == 1);
+ OSMO_ASSERT(talloc_total_size(talloc_asn1_ctx) == 0);
+ talloc_free(talloc_asn1_ctx);
+}
+
+int main(int argc, char **argv)
+{
+ test_init();
+
+ test_ranap_rab_ass_req_decode_encode();
+ test_ranap_rab_ass_resp_decode_encode();
+
+ test_ranap_rab_ass_req_extract_inet_addr();
+ test_ranap_rab_ass_resp_extract_inet_addr();
+ test_ranap_rab_ass_req_replace_inet_addr();
+ test_ranap_rab_ass_resp_replace_inet_addr();
+
+ test_cleanup();
+ return 0;
+}
+
+/* Stub */
+const char *hnb_context_name(struct hnb_context *ctx)
+{
+ return "TEST";
+}
diff --git a/tests/ranap_rab_ass/ranap_rab_ass_test.ok b/tests/ranap_rab_ass/ranap_rab_ass_test.ok
new file mode 100644
index 0000000..f7b4b67
--- /dev/null
+++ b/tests/ranap_rab_ass/ranap_rab_ass_test.ok
@@ -0,0 +1,16 @@
+ranap_rab_ass_req_encode rc=93
+INPUT: 0000005900000100364052000001003500487822cd80102fa7201a2c0000f44c080a028000514000272028140067400000222814003c40000000503d02000227c03500010a0901a200000000000000000000000000401f76000040010000
+RESULT: 0000005900000100364052000001003500487822cd80102fa7201a2c0000f44c080a028000514000272028140067400000222814003c40000000503d02000227c03500010a0901a200000000000000000000000000401f76000040010000
+ranap_rab_ass_resp_encode rc=46
+INPUT: 6000002a000001003440230000010033401c603a7c3500010a0901a40000000000000000000000000040040a0000
+RESULT: 6000002a000001003440230000010033401c603a7c3500010a0901a40000000000000000000000000040040a0000
+ranap_rab_ass_req_extract_inet_addr rc=0
+RESULT: addr=10.9.1.162, port=8054, rab-id=11
+ranap_rab_ass_resp_extract_inet_addr rc=0
+RESULT: addr=10.9.1.164, port=1034
+before: addr=10.9.1.162, port=8122
+ranap_rab_ass_req_replace_inet_addr rc=0
+after: addr=1.2.3.4, port=1234
+before: addr=10.9.1.164, port=1034
+ranap_rab_ass_resp_replace_inet_addr rc=0
+after: addr=1.2.3.4, port=1234
diff --git a/tests/testsuite.at b/tests/testsuite.at
index 65d1ca0..84d85cf 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -1,8 +1,8 @@
AT_INIT
AT_BANNER([Regression tests.])
-#AT_SETUP([foobar])
-#AT_KEYWORDS([foobar])
-#cat $abs_srcdir/foobar/foobar_test.ok > expout
-#AT_CHECK([$abs_top_builddir/tests/foobar/foobar_test], [], [expout], [ignore])
-#AT_CLEANUP
+AT_SETUP([ranap_rab_ass])
+AT_KEYWORDS([ranap_rab_ass])
+cat $abs_srcdir/ranap_rab_ass/ranap_rab_ass_test.ok > expout
+AT_CHECK([$abs_top_builddir/tests/ranap_rab_ass/ranap_rab_ass_test], [0], [expout], [ignore])
+AT_CLEANUP
\ No newline at end of file
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