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msc_vlr_tests: add test_a5_3_not_supported

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See also change-id I72a1dbb30e0a39dbf4b81c7e378d5607b62e10d3 in
osmo-ttcn3-hacks.git, which adds a similar test to the MSC_Tests.ttcn suite.

Writing this test helped me fix the issue faster, why not keep it now that it's
there.

Related: OS#2947
Change-Id: Iba56556207cf6e79e6531b0e7dd3eaec28fb5eaa
changes/58/7058/3
Neels Hofmeyr 5 years ago
parent a9099bc99a
commit a7fd88ce1b
2 changed files with 152 additions and 0 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 54
      tests/msc_vlr/msc_vlr_test_gsm_ciph.c
  2. 98
      tests/msc_vlr/msc_vlr_test_gsm_ciph.err

54
tests/msc_vlr/msc_vlr_test_gsm_ciph.c
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@ -1044,6 +1044,59 @@ static void test_gsm_ciph_in_umts_env()
comment_end();
}
static void test_a5_3_not_supported()
{
comment_start();
/* implicit: net->authentication_required = true; */
net->a5_encryption_mask = (1 << 3); /* A5/3 */
btw("Location Update request causes a GSUP Send Auth Info request to HLR");
lu_result_sent = RES_NONE;
gsup_expect_tx("08010809710000004026f0");
ms_sends_msg("050802008168000130089910070000006402");
OSMO_ASSERT(gsup_tx_confirmed);
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
btw("from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS");
/* Based on a Ki of 000102030405060708090a0b0c0d0e0f */
auth_request_sent = false;
auth_request_expect_rand = "585df1ae287f6e273dce07090d61320b";
auth_request_expect_autn = NULL;
gsup_rx("0a"
/* imsi */
"0108" "09710000004026f0"
/* 5 auth vectors... */
/* TL TL rand */
"0322" "2010" "585df1ae287f6e273dce07090d61320b"
/* TL sres TL kc */
"2104" "2d8b2c3e" "2208" "61855fb81fc2a800"
"0322" "2010" "12aca96fb4ffdea5c985cbafa9b6e18b"
"2104" "20bde240" "2208" "07fa7502e07e1c00"
"0322" "2010" "e7c03ba7cf0e2fde82b2dc4d63077d42"
"2104" "a29514ae" "2208" "e2b234f807886400"
"0322" "2010" "fa8f20b781b5881329d4fea26b1a3c51"
"2104" "5afc8d72" "2208" "2392f14f709ae000"
"0322" "2010" "0fd4cc8dbe8715d1f439e304edfd68dc"
"2104" "bc8d1c5b" "2208" "da7cdd6bfe2d7000",
NULL);
VERBOSE_ASSERT(lu_result_sent, == RES_NONE, "%d");
VERBOSE_ASSERT(auth_request_sent, == true, "%d");
BTW("MS sends Authen Response, VLR accepts and wants to send Ciphering Mode Command to MS"
" -- alas, no matching cipher can be found, abort and release");
cipher_mode_cmd_sent = false;
expect_bssap_clear();
ms_sends_msg("05542d8b2c3e");
OSMO_ASSERT(!cipher_mode_cmd_sent);
VERBOSE_ASSERT(lu_result_sent, == RES_REJECT, "%d");
EXPECT_CONN_COUNT(0);
clear_vlr();
comment_end();
}
msc_vlr_test_func_t msc_vlr_tests[] = {
test_ciph,
test_ciph_tmsi,
@ -1051,5 +1104,6 @@ msc_vlr_test_func_t msc_vlr_tests[] = {
test_ciph_imeisv,
test_ciph_tmsi_imei,
test_gsm_ciph_in_umts_env,
test_a5_3_not_supported,
NULL
};

98
tests/msc_vlr/msc_vlr_test_gsm_ciph.err
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@ -2184,6 +2184,104 @@ DRLL Freeing subscriber connection with NULL subscriber
full talloc report on 'msgb' (total 0 bytes in 1 blocks)
talloc_total_blocks(tall_bsc_ctx) == 7
===== test_a5_3_not_supported
- Location Update request causes a GSUP Send Auth Info request to HLR
MSC <--RAN_GERAN_A-- MS: GSM48_MT_MM_LOC_UPD_REQUEST
new conn
DREF unknown: MSC conn use + compl_l3 == 1 (0x1)
DRLL Dispatching 04.08 message GSM48_MT_MM_LOC_UPD_REQUEST (0x5:0x8)
DREF unknown: MSC conn use + fsm == 2 (0x5)
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Allocated
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: Received Event SUBSCR_CONN_E_START
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_INIT}: state_chg to SUBSCR_CONN_S_NEW
DMM LOCATION UPDATING REQUEST: MI(IMSI)=901700000004620 type=IMSI ATTACH
DMM LU/new-LAC: 1/23
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Allocated
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: is child of Subscr_Conn(901700000004620)
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: rev=GSM net=GERAN Auth+Ciph
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: Received Event VLR_ULA_E_UPDATE_LA
DREF VLR subscr unknown usage increases to: 1
DVLR set IMSI on subscriber; IMSI=901700000004620 id=901700000004620
DVLR New subscr, IMSI: 901700000004620
DREF VLR subscr IMSI:901700000004620 usage increases to: 2
DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: vlr_loc_upd_node1()
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_IDLE}: state_chg to VLR_ULA_S_WAIT_AUTH
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Allocated
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: is child of vlr_lu_fsm(901700000004620)
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: Received Event VLR_AUTH_E_START
DVLR GSUP tx: 08010809710000004026f0
GSUP --> HLR: OSMO_GSUP_MSGT_SEND_AUTH_INFO_REQUEST: 08010809710000004026f0
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH}: state_chg to VLR_SUB_AS_NEEDS_AUTH_WAIT_AI
DMM IMSI:901700000004620: bump: conn still being established (SUBSCR_CONN_S_NEW)
DREF IMSI:901700000004620: MSC conn use - compl_l3 == 1 (0x4)
lu_result_sent == 0
- from HLR, rx _SEND_AUTH_INFO_RESULT; VLR sends Auth Req to MS
<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
DVLR GSUP rx 191: 0a010809710000004026f003222010585df1ae287f6e273dce07090d61320b21042d8b2c3e220861855fb81fc2a8000322201012aca96fb4ffdea5c985cbafa9b6e18b210420bde240220807fa7502e07e1c0003222010e7c03ba7cf0e2fde82b2dc4d63077d422104a29514ae2208e2b234f80788640003222010fa8f20b781b5881329d4fea26b1a3c5121045afc8d7222082392f14f709ae000032220100fd4cc8dbe8715d1f439e304edfd68dc2104bc8d1c5b2208da7cdd6bfe2d7000
DREF VLR subscr IMSI:901700000004620 usage increases to: 2
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: Received Event VLR_AUTH_E_HLR_SAI_ACK
DVLR SUBSCR(IMSI:901700000004620) Received 5 auth tuples
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_NEEDS_AUTH_WAIT_AI}: state_chg to VLR_SUB_AS_WAIT_RESP
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: got auth tuple: use_count=1 key_seq=0
- sending GSM Auth Request for IMSI:901700000004620: tuple use_count=1 key_seq=0 auth_types=0x1 and...
- ...rand=585df1ae287f6e273dce07090d61320b
- ...expecting sres=2d8b2c3e
DREF VLR subscr IMSI:901700000004620 usage decreases to: 1
<-- GSUP rx OSMO_GSUP_MSGT_SEND_AUTH_INFO_RESULT: vlr_gsupc_read_cb() returns 0
lu_result_sent == 0
auth_request_sent == 1
---
- MS sends Authen Response, VLR accepts and wants to send Ciphering Mode Command to MS -- alas, no matching cipher can be found, abort and release
MSC <--RAN_GERAN_A-- MS: GSM48_MT_MM_AUTH_RESP
DREF IMSI:901700000004620: MSC conn use + dtap == 2 (0x6)
DRLL Dispatching 04.08 message GSM48_MT_MM_AUTH_RESP (0x5:0x14)
DMM IMSI:901700000004620: MM GSM AUTHENTICATION RESPONSE (sres = 2d8b2c3e)
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Received Event VLR_AUTH_E_MS_AUTH_RESP
DVLR SUBSCR(IMSI:901700000004620) AUTH on GERAN received SRES/RES: 2d8b2c3e (4 bytes)
DVLR SUBSCR(IMSI:901700000004620) AUTH established GSM security context
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: Authentication terminating with result VLR_AUTH_RES_PASSED
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_WAIT_RESP}: state_chg to VLR_SUB_AS_AUTHENTICATED
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Removing from parent vlr_lu_fsm(901700000004620)
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Freeing instance
DVLR VLR_Authenticate(901700000004620){VLR_SUB_AS_AUTHENTICATED}: Deallocated
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Received Event VLR_ULA_E_AUTH_RES
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: vlr_loc_upd_post_auth()
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Set Ciphering Mode
DMM -> CIPHER MODE COMMAND IMSI:901700000004620
DMSC CLASSMARK 2 unknown, assuming MS doesn't support A5/3
DMM IMSI:901700000004620: cannot start ciphering, no intersection between MSC-configured and MS-supported A5 algorithms
- ERROR sending ciphering mode command: rc=-95
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: Failed to send Ciphering Mode Command
- sending LU Reject for IMSI:901700000004620, cause 17
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_WAIT_AUTH}: state_chg to VLR_ULA_S_DONE
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Received Event SUBSCR_CONN_E_CN_CLOSE
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: SUBSCR_CONN_FROM_LU
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: Close event, cause 1
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_NEW}: state_chg to SUBSCR_CONN_S_RELEASED
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Terminating (cause = OSMO_FSM_TERM_PARENT)
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Removing from parent Subscr_Conn(901700000004620)
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: fsm_lu_cleanup called with cause OSMO_FSM_TERM_PARENT
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Freeing instance
DVLR vlr_lu_fsm(901700000004620){VLR_ULA_S_DONE}: Deallocated
DMM msc_subscr_conn_close(vsub=IMSI:901700000004620, cause=2): no conn fsm, releasing directly without release event.
- BSSAP Clear --RAN_GERAN_A--> MS
DREF IMSI:901700000004620: MSC conn use - fsm == 1 (0x2)
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Freeing instance
DMM Subscr_Conn(901700000004620){SUBSCR_CONN_S_RELEASED}: Deallocated
DREF IMSI:901700000004620: MSC conn use - dtap == 0 (0x0)
DRLL subscr IMSI:901700000004620: Freeing subscriber connection
DREF VLR subscr IMSI:901700000004620 usage decreases to: 0
DREF freeing VLR subscr IMSI:901700000004620
lu_result_sent == 2
llist_count(&net->subscr_conns) == 0
===== test_a5_3_not_supported: SUCCESS
full talloc report on 'msgb' (total 0 bytes in 1 blocks)
talloc_total_blocks(tall_bsc_ctx) == 7
full talloc report on 'msgb' (total 0 bytes in 1 blocks)
talloc_total_blocks(tall_bsc_ctx) == 7

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