From 237fee649e691fc3a7ef851731305b8a41921436 Mon Sep 17 00:00:00 2001 From: Neels Hofmeyr Date: Wed, 2 Dec 2015 14:31:45 +0100 Subject: gtphub: add restart counter test Sponsored-by: On-Waves ehi --- openbsc/tests/gtphub/gtphub_test.c | 155 ++++++++++++++++++++++++++++++++++++ openbsc/tests/gtphub/gtphub_test.ok | 10 +++ 2 files changed, 165 insertions(+) diff --git a/openbsc/tests/gtphub/gtphub_test.c b/openbsc/tests/gtphub/gtphub_test.c index a21387751..0d93e5a0e 100644 --- a/openbsc/tests/gtphub/gtphub_test.c +++ b/openbsc/tests/gtphub/gtphub_test.c @@ -1279,6 +1279,159 @@ static void test_reused_tei(void) OSMO_ASSERT(clear_test_hub()); } +static void test_peer_restarted(void) +{ + LOG("test_peer_restarted"); + + OSMO_ASSERT(setup_test_hub()); + + OSMO_ASSERT(create_pdp_ctx()); + + now += 10; + + const char *gtp_req_from_sgsn = + MSG_PDP_CTX_REQ("0068", + "1234", /* brand new seq */ + "61", /* DIFFERING restart counter */ + "42000121436587f9", + "00000abc", + "00000cba", + "0009""08696e7465726e6574", /* "(8)internet" */ + "0004""c0a82a17", /* same as default sgsn_sender */ + "0004""c0a82a17" + ); + const char *gtp_req_to_ggsn = + MSG_PDP_CTX_REQ("0068", + "6d32", /* mapped seq ("1234") */ + "23", + "42000121436587f9", + "00000006", /* mapped TEI Data I ("123") */ + "00000005", /* mapped TEI Control ("321") */ + "0009""08696e7465726e6574", + "0004""7f000201", /* replaced with gtphub's ggsn ctrl */ + "0004""7f000202" /* replaced with gtphub's ggsn user */ + ); + + OSMO_ASSERT(msg_from_sgsn_c(&sgsn_sender, + &resolved_ggsn_addr, + gtp_req_from_sgsn, + gtp_req_to_ggsn)); + OSMO_ASSERT(was_resolved_for("240010123456789", "internet")); + + OSMO_ASSERT(tunnels_are( + "192.168.42.23 (TEI C cba=5 / U abc=6)" + " <-> 192.168.43.34 / (uninitialized) (TEI C 0=0 / U 0=0)" + " @21955\n" + "192.168.42.23 (TEI C 321=1 / U 123=2)" + " <-> 192.168.43.34 (TEI C 765=3 / U 567=4)" + " @21945\n" + )); + + const char *gtp_resp_from_ggsn = + MSG_PDP_CTX_RSP("004e", + "00000005", /* destination TEI (sent in req above) */ + "6d32", /* mapped seq */ + "01", /* restart */ + "00000def", /* TEI U */ + "00000fde", /* TEI C */ + "0004""c0a82b22", /* GSN addresses */ + "0004""c0a82b22" /* (== resolved_ggsn_addr) */ + ); + const char *gtp_resp_to_sgsn = + MSG_PDP_CTX_RSP("004e", + "00000cba", /* unmapped TEI ("005") */ + "1234", /* unmapped seq ("6d32") */ + "23", + "00000008", /* mapped TEI from GGSN ("567") */ + "00000007", /* mapped TEI from GGSN ("765") */ + "0004""7f000101", /* gtphub's address towards SGSNs (Ctrl) */ + "0004""7f000102" /* gtphub's address towards SGSNs (User) */ + ); + /* The response should go back to whichever port the request came from + * (unmapped by sequence nr) */ + OSMO_ASSERT(msg_from_ggsn_c(&resolved_ggsn_addr, + &sgsn_sender, + gtp_resp_from_ggsn, + gtp_resp_to_sgsn)); + + OSMO_ASSERT(clear_test_hub()); +} + +static void test_peer_restarted_reusing_tei(void) +{ + LOG("test_peer_restarted_reusing_tei"); + + OSMO_ASSERT(setup_test_hub()); + + OSMO_ASSERT(create_pdp_ctx()); + + now += 10; + + const char *gtp_req_from_sgsn = + MSG_PDP_CTX_REQ("0068", + "1234", /* brand new seq */ + "61", /* DIFFERING restart counter */ + "42000121436587f9", + "00000123", /* SAME TEI */ + "00000321", + "0009""08696e7465726e6574", /* "(8)internet" */ + "0004""c0a82a17", /* same as default sgsn_sender */ + "0004""c0a82a17" + ); + const char *gtp_req_to_ggsn = + MSG_PDP_CTX_REQ("0068", + "6d32", /* mapped seq ("1234") */ + "23", + "42000121436587f9", + "00000006", /* mapped TEI Data I ("123") */ + "00000005", /* mapped TEI Control ("321") */ + "0009""08696e7465726e6574", + "0004""7f000201", /* replaced with gtphub's ggsn ctrl */ + "0004""7f000202" /* replaced with gtphub's ggsn user */ + ); + + OSMO_ASSERT(msg_from_sgsn_c(&sgsn_sender, + &resolved_ggsn_addr, + gtp_req_from_sgsn, + gtp_req_to_ggsn)); + OSMO_ASSERT(was_resolved_for("240010123456789", "internet")); + + OSMO_ASSERT(tunnels_are( + "192.168.42.23 (TEI C 321=5 / U 123=6)" + " <-> 192.168.43.34 / (uninitialized) (TEI C 0=0 / U 0=0)" + " @21955\n" + )); + + const char *gtp_resp_from_ggsn = + MSG_PDP_CTX_RSP("004e", + "00000005", /* destination TEI (sent in req above) */ + "6d32", /* mapped seq */ + "01", /* restart */ + "00000def", /* TEI U */ + "00000fde", /* TEI C */ + "0004""c0a82b22", /* GSN addresses */ + "0004""c0a82b22" /* (== resolved_ggsn_addr) */ + ); + const char *gtp_resp_to_sgsn = + MSG_PDP_CTX_RSP("004e", + "00000321", /* unmapped TEI ("005") */ + "1234", /* unmapped seq ("6d32") */ + "23", + "00000008", /* mapped TEI from GGSN ("567") */ + "00000007", /* mapped TEI from GGSN ("765") */ + "0004""7f000101", /* gtphub's address towards SGSNs (Ctrl) */ + "0004""7f000102" /* gtphub's address towards SGSNs (User) */ + ); + /* The response should go back to whichever port the request came from + * (unmapped by sequence nr) */ + OSMO_ASSERT(msg_from_ggsn_c(&resolved_ggsn_addr, + &sgsn_sender, + gtp_resp_from_ggsn, + gtp_resp_to_sgsn)); + + OSMO_ASSERT(clear_test_hub()); +} + static struct log_info_cat gtphub_categories[] = { [DGTPHUB] = { @@ -1307,6 +1460,8 @@ int main(int argc, char **argv) test_one_pdp_ctx(GTPH_SIDE_GGSN); test_user_data(); test_reused_tei(); + test_peer_restarted(); + test_peer_restarted_reusing_tei(); printf("Done\n"); talloc_report_full(osmo_gtphub_ctx, stderr); diff --git a/openbsc/tests/gtphub/gtphub_test.ok b/openbsc/tests/gtphub/gtphub_test.ok index b37b7d763..a95fe6d4a 100644 --- a/openbsc/tests/gtphub/gtphub_test.ok +++ b/openbsc/tests/gtphub/gtphub_test.ok @@ -10,6 +10,16 @@ test_user_data returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123 - user data starts test_reused_tei +- __wrap_gtphub_resolve_ggsn_addr(): + returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123 +- __wrap_gtphub_resolve_ggsn_addr(): + returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123 +test_peer_restarted +- __wrap_gtphub_resolve_ggsn_addr(): + returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123 +- __wrap_gtphub_resolve_ggsn_addr(): + returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123 +test_peer_restarted_reusing_tei - __wrap_gtphub_resolve_ggsn_addr(): returning GGSN addr from imsi 240010123456789 ni internet: 192.168.43.34 port 2123 - __wrap_gtphub_resolve_ggsn_addr(): -- cgit v1.2.3