move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

4 files changed, 343 insertions, 0 deletions

diff --git a/tests/oap/Makefile.am b/tests/oap/Makefile.am
new file mode 100644
index 000000000..1bb672d44
--- /dev/null
+++ b/tests/oap/Makefile.am
@@ -0,0 +1,36 @@
+AM_CPPFLAGS = \
+	$(all_includes) \
+	-I$(top_srcdir)/include \
+	$(NULL)
+
+AM_CFLAGS = \
+	-Wall \
+	-ggdb3 \
+	$(LIBOSMOCORE_CFLAGS) \
+	$(LIBOSMOGSM_CFLAGS) \
+	$(NULL)
+
+EXTRA_DIST = \
+	oap_client_test.ok \
+	oap_client_test.err \
+	$(NULL)
+
+if HAVE_LIBGTP
+if HAVE_LIBCARES
+noinst_PROGRAMS = \
+	oap_client_test \
+	$(NULL)
+endif
+endif
+
+oap_client_test_SOURCES = \
+	oap_client_test.c \
+	$(NULL)
+
+oap_client_test_LDADD = \
+	$(top_builddir)/src/gprs/gprs_utils.o \
+	$(top_builddir)/src/libcommon/libcommon.a \
+	$(LIBOSMOCORE_LIBS) \
+	$(LIBOSMOGSM_LIBS) \
+	-lrt
+
diff --git a/tests/oap/oap_client_test.c b/tests/oap/oap_client_test.c
new file mode 100644
index 000000000..e6501cb6d
--- /dev/null
+++ b/tests/oap/oap_client_test.c
@@ -0,0 +1,270 @@
+/* Test Osmocom Authentication Protocol */
+/*
+ * (C) 2015 by sysmocom s.f.m.c. GmbH
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <osmocom/core/application.h>
+#include <osmocom/gsm/oap.h>
+
+#include <openbsc/debug.h>
+#include <openbsc/oap_client.h>
+
+#include <stdio.h>
+#include <string.h>
+
+static void test_oap_api(void)
+{
+	printf("Testing OAP API\n");
+
+	struct oap_client_config _config;
+	struct oap_client_config *config = &_config;
+
+	struct oap_client_state _state;
+	struct oap_client_state *state = &_state;
+
+	struct osmo_oap_message oap_rx;
+	struct msgb *msg_rx;
+
+	struct osmo_oap_message oap_tx;
+	struct msgb *msg_tx;
+
+	memset(config, 0, sizeof(*config));
+	memset(state, 0, sizeof(*state));
+
+	OSMO_ASSERT(osmo_hexparse("0102030405060708090a0b0c0d0e0f10", config->secret_k, 16) == 16);
+	OSMO_ASSERT(osmo_hexparse("1112131415161718191a1b1c1d1e1f20", config->secret_opc, 16) == 16);
+
+	fprintf(stderr, "- make sure filling with zeros means uninitialized\n");
+	OSMO_ASSERT(state->state == OAP_UNINITIALIZED);
+
+	fprintf(stderr, "- reject messages in uninitialized state\n");
+	memset(&oap_rx, 0, sizeof(oap_rx));
+	state->client_id = 1;
+	oap_rx.message_type = OAP_MSGT_REGISTER_ERROR;
+	msg_rx = oap_client_encoded(&oap_rx);
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
+	OSMO_ASSERT(state->state == OAP_UNINITIALIZED);
+	msgb_free(msg_rx);
+	OSMO_ASSERT(!msg_tx);
+
+	fprintf(stderr, "- NULL config should disable\n");
+	OSMO_ASSERT( oap_client_init(NULL, state) == 0 );
+	OSMO_ASSERT(state->state == OAP_DISABLED);
+
+	fprintf(stderr, "- reject messages in disabled state\n");
+	memset(state, 0, sizeof(*state));
+	memset(&oap_rx, 0, sizeof(oap_rx));
+	state->state = OAP_DISABLED;
+	state->client_id = 1;
+	oap_rx.message_type = OAP_MSGT_REGISTER_ERROR;
+	msg_rx = oap_client_encoded(&oap_rx);
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
+	OSMO_ASSERT(state->state == OAP_DISABLED);
+	msgb_free(msg_rx);
+	OSMO_ASSERT(!msg_tx);
+
+	fprintf(stderr, "- invalid client_id and shared secret\n");
+	memset(state, 0, sizeof(*state));
+	config->client_id = 0;
+	config->secret_k_present = 0;
+	config->secret_opc_present = 0;
+	OSMO_ASSERT( oap_client_init(config, state) == 0 );
+	OSMO_ASSERT(state->state == OAP_DISABLED);
+
+	fprintf(stderr, "- reset state\n");
+	memset(state, 0, sizeof(*state));
+
+	fprintf(stderr, "- only client_id is invalid\n");
+	config->client_id = 0;
+	config->secret_k_present = 1;
+	config->secret_opc_present = 1;
+	OSMO_ASSERT( oap_client_init(config, state) == 0 );
+	OSMO_ASSERT(state->state == OAP_DISABLED);
+
+	memset(state, 0, sizeof(*state));
+
+	fprintf(stderr, "- valid id, but omitted shared_secret (1/2)\n");
+	config->client_id = 12345;
+	config->secret_k_present = 0;
+	config->secret_opc_present = 1;
+	OSMO_ASSERT( oap_client_init(config, state) == 0 );
+	OSMO_ASSERT(state->state == OAP_DISABLED);
+
+	memset(state, 0, sizeof(*state));
+
+	fprintf(stderr, "- valid id, but omitted shared_secret (2/2)\n");
+	config->client_id = 12345;
+	config->secret_k_present = 1;
+	config->secret_opc_present = 0;
+	OSMO_ASSERT( oap_client_init(config, state) == 0 );
+	OSMO_ASSERT(state->state == OAP_DISABLED);
+
+	memset(state, 0, sizeof(*state));
+
+
+	fprintf(stderr, "- mint configuration\n");
+	config->client_id = 12345;
+	config->secret_k_present = 1;
+	config->secret_opc_present = 1;
+	/*config->secret_* buffers are still set from the top */
+	OSMO_ASSERT( oap_client_init(config, state) == 0 );
+	OSMO_ASSERT(state->state == OAP_INITIALIZED);
+
+
+	fprintf(stderr, "- Missing challenge data\n");
+	memset(&oap_rx, 0, sizeof(oap_rx));
+	oap_rx.message_type = OAP_MSGT_CHALLENGE_REQUEST;
+	oap_rx.rand_present = 0;
+	oap_rx.autn_present = 0;
+	msg_rx = oap_client_encoded(&oap_rx);
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -2);
+	msgb_free(msg_rx);
+	OSMO_ASSERT(!msg_tx);
+
+	fprintf(stderr, "- AUTN missing\n");
+	osmo_hexparse("0102030405060708090a0b0c0d0e0f10",
+		      oap_rx.rand, 16);
+	oap_rx.rand_present = 1;
+	msg_rx = oap_client_encoded(&oap_rx);
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -2);
+	msgb_free(msg_rx);
+	OSMO_ASSERT(!msg_tx);
+
+	fprintf(stderr, "- RAND missing\n");
+	oap_rx.rand_present = 0;
+	osmo_hexparse("cec4e3848a33000086781158ca40f136",
+		      oap_rx.autn, 16);
+	oap_rx.autn_present = 1;
+	msg_rx = oap_client_encoded(&oap_rx);
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -2);
+	msgb_free(msg_rx);
+	OSMO_ASSERT(!msg_tx);
+
+	fprintf(stderr, "- wrong autn (by one bit)\n");
+	osmo_hexparse("0102030405060708090a0b0c0d0e0f10",
+		      oap_rx.rand, 16);
+	osmo_hexparse("dec4e3848a33000086781158ca40f136",
+		      oap_rx.autn, 16);
+	oap_rx.rand_present = 1;
+	oap_rx.autn_present = 1;
+	msg_rx = oap_client_encoded(&oap_rx);
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -2);
+	msgb_free(msg_rx);
+	OSMO_ASSERT(!msg_tx);
+
+	fprintf(stderr, "- all data correct\n");
+	osmo_hexparse("cec4e3848a33000086781158ca40f136",
+		      oap_rx.autn, 16);
+	msg_rx = oap_client_encoded(&oap_rx);
+
+	fprintf(stderr, "- but refuse to evaluate in uninitialized state\n");
+	OSMO_ASSERT(state->state == OAP_INITIALIZED);
+
+	state->state = OAP_UNINITIALIZED;
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
+	OSMO_ASSERT(!msg_tx);
+
+	state->state = OAP_DISABLED;
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) < 0);
+	OSMO_ASSERT(!msg_tx);
+
+	state->state = OAP_INITIALIZED;
+
+	fprintf(stderr, "- now everything is correct\n");
+	/* a successful return value here indicates correct autn */
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == 0);
+	msgb_free(msg_rx);
+
+	fprintf(stderr, "- Expect the challenge response in msg_tx\n");
+	OSMO_ASSERT(msg_tx);
+	OSMO_ASSERT(osmo_oap_decode(&oap_tx, msg_tx->data, msg_tx->len) == 0);
+	OSMO_ASSERT(oap_tx.message_type == OAP_MSGT_CHALLENGE_RESULT);
+	OSMO_ASSERT(strcmp("e2d05b598c61d9ba",
+			   osmo_hexdump_nospc(oap_tx.xres, sizeof(oap_tx.xres)))
+		    == 0);
+	OSMO_ASSERT(state->state == OAP_SENT_CHALLENGE_RESULT);
+	msgb_free(msg_tx);
+	msg_tx = 0;
+
+	struct oap_client_state saved_state = _state;
+
+	fprintf(stderr, "- Receive registration error for the first time.\n");
+
+	memset(&oap_rx, 0, sizeof(oap_rx));
+	oap_rx.message_type = OAP_MSGT_REGISTER_ERROR;
+	oap_rx.cause = GMM_CAUSE_PROTO_ERR_UNSPEC;
+	msg_rx = oap_client_encoded(&oap_rx);
+
+	OSMO_ASSERT(state->registration_failures == 0);
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == 0);
+	OSMO_ASSERT(state->registration_failures == 1);
+	OSMO_ASSERT(msg_tx);
+	OSMO_ASSERT(osmo_oap_decode(&oap_tx, msg_tx->data, msg_tx->len) == 0);
+	OSMO_ASSERT(oap_tx.message_type == OAP_MSGT_REGISTER_REQUEST);
+	OSMO_ASSERT(state->state == OAP_REQUESTED_CHALLENGE);
+	msgb_free(msg_tx);
+	msg_tx = 0;
+
+	fprintf(stderr, "- Receive registration error for the Nth time.\n");
+	state->registration_failures = 999;
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == -11);
+	OSMO_ASSERT(!msg_tx);
+	OSMO_ASSERT(state->state == OAP_INITIALIZED);
+	msgb_free(msg_tx);
+	msg_tx = 0;
+
+	msgb_free(msg_rx);
+
+	fprintf(stderr, "- Registration success\n");
+
+	_state = saved_state;
+	memset(&oap_rx, 0, sizeof(oap_rx));
+	oap_rx.message_type = OAP_MSGT_REGISTER_RESULT;
+	msg_rx = oap_client_encoded(&oap_rx);
+	OSMO_ASSERT(oap_client_handle(state, msg_rx, &msg_tx) == 0);
+	OSMO_ASSERT(!msg_tx);
+	OSMO_ASSERT(state->state == OAP_REGISTERED);
+	msgb_free(msg_rx);
+}
+
+static struct log_info_cat oap_client_test_categories[] = {
+};
+
+static struct log_info info = {
+	.cat = oap_client_test_categories,
+	.num_cat = ARRAY_SIZE(oap_client_test_categories),
+};
+
+int main(int argc, char **argv)
+{
+	msgb_talloc_ctx_init(NULL, 0);
+	osmo_init_logging(&info);
+
+	OSMO_ASSERT(osmo_stderr_target);
+	log_set_use_color(osmo_stderr_target, 0);
+	log_set_print_timestamp(osmo_stderr_target, 0);
+	log_set_print_filename(osmo_stderr_target, 0);
+	log_set_print_category(osmo_stderr_target, 1);
+	log_parse_category_mask(osmo_stderr_target, "DLOAP,1");
+
+	test_oap_api();
+	printf("Done\n");
+
+	return 0;
+}
+
diff --git a/tests/oap/oap_client_test.err b/tests/oap/oap_client_test.err
new file mode 100644
index 000000000..62ddc9efa
--- /dev/null
+++ b/tests/oap/oap_client_test.err
@@ -0,0 +1,35 @@
+- make sure filling with zeros means uninitialized
+- reject messages in uninitialized state
+DLOAP Received OAP message 5, but the OAP client is not initialized
+- NULL config should disable
+- reject messages in disabled state
+DLOAP Received OAP message 5, but the OAP client is disabled
+- invalid client_id and shared secret
+- reset state
+- only client_id is invalid
+- valid id, but omitted shared_secret (1/2)
+DLOAP OAP: client ID set, but secret K missing.
+- valid id, but omitted shared_secret (2/2)
+DLOAP OAP: client ID set, but secret OPC missing.
+- mint configuration
+- Missing challenge data
+DLOAP OAP challenge incomplete (rand_present: 0, autn_present: 0)
+- AUTN missing
+DLOAP OAP challenge incomplete (rand_present: 1, autn_present: 0)
+- RAND missing
+DLOAP OAP challenge incomplete (rand_present: 0, autn_present: 1)
+- wrong autn (by one bit)
+DLOAP OAP: AUTN mismatch!
+DLOAP OAP: AUTN from server: dec4e3848a33000086781158ca40f136
+DLOAP OAP: AUTN expected:    cec4e3848a33000086781158ca40f136
+- all data correct
+- but refuse to evaluate in uninitialized state
+DLOAP Received OAP message 8, but the OAP client is not initialized
+DLOAP Received OAP message 8, but the OAP client is disabled
+- now everything is correct
+- Expect the challenge response in msg_tx
+- Receive registration error for the first time.
+DLOAP OAP registration failed
+- Receive registration error for the Nth time.
+DLOAP OAP registration failed
+- Registration success
diff --git a/tests/oap/oap_client_test.ok b/tests/oap/oap_client_test.ok
new file mode 100644
index 000000000..59108a792
--- /dev/null
+++ b/tests/oap/oap_client_test.ok
@@ -0,0 +1,2 @@
+Testing OAP API
+Done