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-rw-r--r--openbsc/tests/sgsn/Makefile.am3
-rw-r--r--openbsc/tests/sgsn/sgsn_test.c100
-rw-r--r--openbsc/tests/sgsn/sgsn_test.ok1
3 files changed, 101 insertions, 3 deletions
diff --git a/openbsc/tests/sgsn/Makefile.am b/openbsc/tests/sgsn/Makefile.am
index 672b811bb..c1b5fbda4 100644
--- a/openbsc/tests/sgsn/Makefile.am
+++ b/openbsc/tests/sgsn/Makefile.am
@@ -9,7 +9,8 @@ sgsn_test_SOURCES = sgsn_test.c
sgsn_test_LDFLAGS = \
-Wl,--wrap=sgsn_update_subscriber_data \
-Wl,--wrap=gprs_subscr_request_update_location \
- -Wl,--wrap=gprs_subscr_request_auth_info
+ -Wl,--wrap=gprs_subscr_request_auth_info \
+ -Wl,--wrap=gprs_gsup_client_send
sgsn_test_LDADD = \
$(top_builddir)/src/gprs/gprs_llc_parse.o \
diff --git a/openbsc/tests/sgsn/sgsn_test.c b/openbsc/tests/sgsn/sgsn_test.c
index adaa32804..da1cb4b12 100644
--- a/openbsc/tests/sgsn/sgsn_test.c
+++ b/openbsc/tests/sgsn/sgsn_test.c
@@ -24,6 +24,8 @@
#include <openbsc/gprs_gmm.h>
#include <openbsc/debug.h>
#include <openbsc/gsm_subscriber.h>
+#include <openbsc/gprs_gsup_messages.h>
+#include <openbsc/gprs_gsup_client.h>
#include <osmocom/gprs/gprs_bssgp.h>
@@ -88,6 +90,16 @@ int __wrap_gprs_subscr_request_auth_info(struct sgsn_mm_ctx *mmctx) {
return (*subscr_request_auth_info_cb)(mmctx);
};
+/* override, requires '-Wl,--wrap=gprs_gsup_client_send' */
+int __real_gprs_gsup_client_send(struct gprs_gsup_client *gsupc, struct msgb *msg);
+int (*gprs_gsup_client_send_cb)(struct gprs_gsup_client *gsupc, struct msgb *msg) =
+ &__real_gprs_gsup_client_send;
+
+int __wrap_gprs_gsup_client_send(struct gprs_gsup_client *gsupc, struct msgb *msg)
+{
+ return (*gprs_gsup_client_send_cb)(gsupc, msg);
+};
+
static int count(struct llist_head *head)
{
struct llist_head *cur;
@@ -1004,7 +1016,7 @@ int my_subscr_request_auth_info_gsup_auth(struct sgsn_mm_ctx *mmctx)
0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38,
};
- OSMO_ASSERT(mmctx->subscr);
+ OSMO_ASSERT(!mmctx || mmctx->subscr);
if (auth_info_skip > 0) {
auth_info_skip -= 1;
@@ -1028,7 +1040,7 @@ int my_subscr_request_update_gsup_auth(struct sgsn_mm_ctx *mmctx) {
0x12, 0x09, 0x04, 't', 'e', 's', 't', 0x03, 'a', 'p', 'n',
};
- OSMO_ASSERT(mmctx->subscr);
+ OSMO_ASSERT(!mmctx || mmctx->subscr);
if (upd_loc_skip > 0) {
upd_loc_skip -= 1;
@@ -1073,6 +1085,89 @@ static void test_gmm_attach_subscr_gsup_auth(int retry)
auth_info_skip = 0;
}
+int my_gprs_gsup_client_send(struct gprs_gsup_client *gsupc, struct msgb *msg)
+{
+ struct gprs_gsup_message to_peer;
+ struct gprs_gsup_message from_peer;
+ struct msgb *reply_msg;
+
+ /* Simulate the GSUP peer */
+ gprs_gsup_decode(msgb_data(msg), msgb_length(msg), &to_peer);
+
+ /* This invalidates the pointers in to_peer */
+ msgb_free(msg);
+
+ switch (to_peer.message_type) {
+ case GPRS_GSUP_MSGT_UPDATE_LOCATION_REQUEST:
+ /* Send UPDATE_LOCATION_RESULT */
+ return my_subscr_request_update_gsup_auth(NULL);
+
+ case GPRS_GSUP_MSGT_SEND_AUTH_INFO_REQUEST:
+ /* Send SEND_AUTH_INFO_RESULT */
+ return my_subscr_request_auth_info_gsup_auth(NULL);
+
+ case GPRS_GSUP_MSGT_PURGE_MS_REQUEST:
+ /* TODO: send RES/ERR */
+ return 0;
+
+ default:
+ if ((to_peer.message_type & 0b00000011) == 0) {
+ /* Unhandled request */
+ /* TODO: send error(NOT_IMPL) */
+ from_peer.message_type = to_peer.message_type + 1;
+ from_peer.cause = GMM_CAUSE_MSGT_NOTEXIST_NOTIMPL;
+ break;
+ }
+
+ /* Ignore it */
+ return 0;
+ }
+
+ reply_msg = gprs_gsup_msgb_alloc();
+ reply_msg->l2h = reply_msg->data;
+ gprs_gsup_encode(reply_msg, &from_peer);
+ gprs_subscr_rx_gsup_message(reply_msg);
+ msgb_free(reply_msg);
+
+ return 0;
+};
+
+static void test_gmm_attach_subscr_real_gsup_auth(int retry)
+{
+ const enum sgsn_auth_policy saved_auth_policy = sgsn->cfg.auth_policy;
+ struct gsm_subscriber *subscr;
+
+ sgsn_inst.cfg.auth_policy = SGSN_AUTH_POLICY_REMOTE;
+ sgsn_inst.cfg.subscriber_expiry_timeout = 0;
+ gprs_gsup_client_send_cb = my_gprs_gsup_client_send;
+
+ sgsn->gsup_client = talloc_zero(tall_bsc_ctx, struct gprs_gsup_client);
+
+ if (retry) {
+ upd_loc_skip = 3;
+ auth_info_skip = 3;
+ }
+
+ printf("Auth policy 'remote', real GSUP based auth: ");
+ test_gmm_attach(retry);
+
+ subscr = gprs_subscr_get_by_imsi("123456789012345");
+ OSMO_ASSERT(subscr != NULL);
+ gprs_subscr_delete(subscr);
+
+ osmo_timers_update();
+
+ OSMO_ASSERT(gprs_subscr_get_by_imsi("123456789012345") == NULL);
+
+ sgsn->cfg.auth_policy = saved_auth_policy;
+ sgsn_inst.cfg.subscriber_expiry_timeout = SGSN_TIMEOUT_NEVER;
+ gprs_gsup_client_send_cb = __real_gprs_gsup_client_send;
+ upd_loc_skip = 0;
+ auth_info_skip = 0;
+ talloc_free(sgsn->gsup_client);
+ sgsn->gsup_client = NULL;
+}
+
/*
* Test the GMM Rejects
*/
@@ -1600,6 +1695,7 @@ int main(int argc, char **argv)
test_gmm_attach_subscr_real_auth();
test_gmm_attach_subscr_gsup_auth(0);
test_gmm_attach_subscr_gsup_auth(1);
+ test_gmm_attach_subscr_real_gsup_auth(0);
test_gmm_reject();
test_gmm_cancel();
test_gmm_ptmsi_allocation();
diff --git a/openbsc/tests/sgsn/sgsn_test.ok b/openbsc/tests/sgsn/sgsn_test.ok
index c9c016597..cff29205d 100644
--- a/openbsc/tests/sgsn/sgsn_test.ok
+++ b/openbsc/tests/sgsn/sgsn_test.ok
@@ -13,6 +13,7 @@ Auth policy 'remote', auth faked: Testing GMM attach
Auth policy 'remote', triplet based auth: Testing GMM attach
Auth policy 'remote', GSUP based auth: Testing GMM attach
Auth policy 'remote', GSUP based auth: Testing GMM attach with retry
+Auth policy 'remote', real GSUP based auth: Testing GMM attach
Testing GMM reject
- Attach Request (invalid MI length)
- Attach Request (invalid MI type)