mirror of https://gerrit.osmocom.org/libosmocore
gprs/test: Add BSSGP tests
This patch adds a test suite for the BSSGP protocol. The first (and only) test checks the handling of BSSGP SUSPEND/RESUME. Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck
Holger Hans Peter Freyther
parent
862ba65bd6
commit
cdebf7484a
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@ -5,8 +5,8 @@ check_PROGRAMS = timer/timer_test sms/sms_test ussd/ussd_test \
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smscb/smscb_test bits/bitrev_test a5/a5_test \
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conv/conv_test auth/milenage_test lapd/lapd_test \
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gsm0808/gsm0808_test gsm0408/gsm0408_test \
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gb/bssgp_fc_test gb/gprs_ns_test kasumi/kasumi_test \
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logging/logging_test fr/fr_test \
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gb/bssgp_fc_test gb/gprs_bssgp_test gb/gprs_ns_test \
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kasumi/kasumi_test logging/logging_test fr/fr_test \
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loggingrb/loggingrb_test strrb/strrb_test \
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vty/vty_test comp128/comp128_test utils/utils_test
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@ -62,6 +62,9 @@ ussd_ussd_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gs
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gb_bssgp_fc_test_SOURCES = gb/bssgp_fc_test.c
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gb_bssgp_fc_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gb/libosmogb.la
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gb_gprs_bssgp_test_SOURCES = gb/gprs_bssgp_test.c
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gb_gprs_bssgp_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gb/libosmogb.la $(LIBRARY_DL)
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gb_gprs_ns_test_SOURCES = gb/gprs_ns_test.c
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gb_gprs_ns_test_LDADD = $(top_builddir)/src/libosmocore.la $(top_builddir)/src/gb/libosmogb.la $(LIBRARY_DL)
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@ -106,6 +109,7 @@ EXTRA_DIST = testsuite.at $(srcdir)/package.m4 $(TESTSUITE) \
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lapd/lapd_test.ok gsm0408/gsm0408_test.ok \
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gsm0808/gsm0808_test.ok gb/bssgp_fc_tests.err \
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gb/bssgp_fc_tests.ok gb/bssgp_fc_tests.sh \
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gb/gprs_bssgp_test.ok \
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gb/gprs_ns_test.ok kasumi/kasumi_test.ok \
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msgfile/msgfile_test.ok msgfile/msgconfig.cfg \
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logging/logging_test.ok logging/logging_test.err \
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@ -0,0 +1,151 @@
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/* Test routines for the BSSGP implementation in libosmogb
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*
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* (C) 2014 by sysmocom s.f.m.c. GmbH
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* Author: Jacob Erlbeck <jerlbeck@sysmocom.de>
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*
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* Skeleton based on bssgp_fc_test.c
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* (C) 2012 by Harald Welte <laforge@gnumonks.org>
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*/
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#undef _GNU_SOURCE
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#define _GNU_SOURCE
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#include <osmocom/core/application.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/core/prim.h>
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#include <osmocom/gprs/gprs_bssgp.h>
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#include <osmocom/gprs/gprs_ns.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <getopt.h>
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#include <unistd.h>
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#include <netinet/ip.h>
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#include <dlfcn.h>
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#define BSS_NSEI 0x0b55
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static struct osmo_prim_hdr last_oph = {0};
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/* override */
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ssize_t sendto(int sockfd, const void *buf, size_t len, int flags,
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const struct sockaddr *dest_addr, socklen_t addrlen)
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{
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typedef ssize_t (*sendto_t)(int, const void *, size_t, int,
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const struct sockaddr *, socklen_t);
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static sendto_t real_sendto = NULL;
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uint32_t dest_host = htonl(((struct sockaddr_in *)dest_addr)->sin_addr.s_addr);
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if (!real_sendto)
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real_sendto = dlsym(RTLD_NEXT, "sendto");
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fprintf(stderr, "MESSAGE to 0x%08x, msg length %d\n%s\n",
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dest_host, len, osmo_hexdump(buf, len));
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return len;
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}
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/* override */
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int gprs_ns_callback(enum gprs_ns_evt event, struct gprs_nsvc *nsvc,
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struct msgb *msg, uint16_t bvci)
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{
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fprintf(stderr, "CALLBACK, event %d, msg length %d, bvci 0x%04x\n%s\n\n",
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event, msgb_bssgp_len(msg), bvci,
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osmo_hexdump(msgb_bssgph(msg), msgb_bssgp_len(msg)));
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return 0;
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}
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int bssgp_prim_cb(struct osmo_prim_hdr *oph, void *ctx)
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{
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printf("BSSGP primitive, SAP %d, prim = %d, op = %d, msg = %s\n",
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oph->sap, oph->primitive, oph->operation, msgb_hexdump(oph->msg));
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last_oph.sap = oph->sap;
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last_oph.primitive = oph->primitive;
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last_oph.operation = oph->operation;
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last_oph.msg = NULL;
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return -1;
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}
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static void msgb_bssgp_send_and_free(struct msgb *msg)
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{
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msgb_nsei(msg) = BSS_NSEI;
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bssgp_rcvmsg(msg);
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msgb_free(msg);
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}
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static void send_bssgp_supend(enum bssgp_pdu_type pdu_type, uint32_t tlli)
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{
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struct msgb *msg = bssgp_msgb_alloc();
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uint32_t tlli_be = htonl(tlli);
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uint8_t rai[] = {0x0f, 0xf1, 0x80, 0x20, 0x37, 0x00};
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msgb_v_put(msg, pdu_type);
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msgb_tvlv_put(msg, BSSGP_IE_TLLI, sizeof(tlli_be), (uint8_t *)&tlli_be);
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msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, sizeof(rai), &rai[0]);
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msgb_bssgp_send_and_free(msg);
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}
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static void send_bssgp_resume(enum bssgp_pdu_type pdu_type, uint32_t tlli)
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{
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struct msgb *msg = bssgp_msgb_alloc();
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uint32_t tlli_be = htonl(tlli);
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uint8_t rai[] = {0x0f, 0xf1, 0x80, 0x20, 0x37, 0x00};
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uint8_t suspend_ref = 1;
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msgb_v_put(msg, pdu_type);
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msgb_tvlv_put(msg, BSSGP_IE_TLLI, sizeof(tlli_be), (uint8_t *)&tlli_be);
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msgb_tvlv_put(msg, BSSGP_IE_ROUTEING_AREA, sizeof(rai), &rai[0]);
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msgb_tvlv_put(msg, BSSGP_IE_SUSPEND_REF_NR, 1, &suspend_ref);
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msgb_bssgp_send_and_free(msg);
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}
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static void test_bssgp_suspend_resume(void)
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{
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const uint32_t tlli = 0xf0123456;
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printf("----- %s START\n", __func__);
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memset(&last_oph, 0, sizeof(last_oph));
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send_bssgp_supend(BSSGP_PDUT_SUSPEND, tlli);
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/* OSMO_ASSERT(last_oph.primitive == PRIM_BSSGP_GMM_SUSPEND); */
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send_bssgp_resume(BSSGP_PDUT_RESUME, tlli);
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/* OSMO_ASSERT(last_oph.primitive == PRIM_BSSGP_GMM_RESUME); */
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printf("----- %s END\n", __func__);
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}
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static struct log_info info = {};
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int main(int argc, char **argv)
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{
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struct sockaddr_in bss_peer= {0};
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osmo_init_logging(&info);
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log_set_use_color(osmo_stderr_target, 0);
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log_set_print_filename(osmo_stderr_target, 0);
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bssgp_nsi = gprs_ns_instantiate(gprs_ns_callback, NULL);
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bss_peer.sin_family = AF_INET;
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bss_peer.sin_port = htons(32000);
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bss_peer.sin_addr.s_addr = htonl(0x7f0000ff);
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gprs_ns_nsip_connect(bssgp_nsi, &bss_peer, BSS_NSEI, BSS_NSEI+1);
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printf("===== BSSGP test START\n");
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test_bssgp_suspend_resume();
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printf("===== BSSGP test END\n\n");
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exit(EXIT_SUCCESS);
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}
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@ -0,0 +1,5 @@
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===== BSSGP test START
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----- test_bssgp_suspend_resume START
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----- test_bssgp_suspend_resume END
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===== BSSGP test END
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@ -118,6 +118,12 @@ cat $abs_srcdir/vty/vty_test.ok > expout
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AT_CHECK([$abs_top_builddir/tests/vty/vty_test], [0], [expout], [ignore])
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AT_CLEANUP
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AT_SETUP([gprs-bssgp])
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AT_KEYWORDS([gprs-bssgp])
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cat $abs_srcdir/gb/gprs_bssgp_test.ok > expout
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AT_CHECK([$abs_top_builddir/tests/gb/gprs_bssgp_test], [0], [expout], [ignore])
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AT_CLEANUP
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AT_SETUP([gprs-ns])
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AT_KEYWORDS([gprs-ns])
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cat $abs_srcdir/gb/gprs_ns_test.ok > expout
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