571 lines
15 KiB
Plaintext
571 lines
15 KiB
Plaintext
module HLR_Tests {
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import from GSUP_Types all;
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import from IPA_Emulation all;
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import from General_Types all;
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import from Osmocom_Types all;
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import from Osmocom_CTRL_Adapter all;
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import from Osmocom_VTY_Functions all;
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import from TELNETasp_PortType all;
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type component test_CT extends CTRL_Adapter_CT {
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var IPA_Emulation_CT vc_IPA;
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var IPA_CCM_Parameters ccm_pars;
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port IPA_GSUP_PT GSUP;
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port TELNETasp_PT VTY;
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timer g_Tguard := 10.0;
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};
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modulepar {
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charstring mp_hlr_ip := "127.0.0.1";
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integer mp_hlr_gsup_port := 4222;
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integer mp_hlr_ctrl_port := 4259;
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};
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type record HlrSubscrAud2G {
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charstring algo,
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OCT16 ki
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}
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type record HlrSubscrAud3G {
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charstring algo,
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OCT16 k,
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OCT16 op,
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boolean op_is_opc
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}
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type record HlrSubscriber {
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hexstring imsi,
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hexstring msisdn,
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HlrSubscrAud2G aud2g optional,
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HlrSubscrAud3G aud3g optional
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}
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type record of HlrSubscriber HlrSubscriberList;
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template (value) HlrSubscriber t_SubNoAuth(hexstring imsi, hexstring msisdn) := {
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imsi := imsi,
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msisdn := msisdn,
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aud2g := omit,
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aud3g := omit
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}
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const OCT16 c_KI_DEFAULT := '000102030405060708090a0b0c0d0e0f'O;
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const OCT16 c_K_DEFAULT := '101112131415161718191a1b1c1d1e1f'O;
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const OCT16 c_OP_DEFAULT := '202122232425262728292a2b2c2d2e2f'O;
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//const OCT16 c_OPC_DEFAULT := '303132333435363738393a3b3c3d3f'O;
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template (value) HlrSubscriber t_Sub2G(hexstring imsi, hexstring msisdn, charstring algo) := {
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imsi := imsi,
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msisdn := msisdn,
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aud2g := {
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algo := algo,
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ki := c_KI_DEFAULT
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},
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aud3g := omit
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}
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template (value) HlrSubscriber t_Sub3G(hexstring imsi, hexstring msisdn, charstring algo, boolean is_opc) := {
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imsi := imsi,
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msisdn := msisdn,
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aud2g := omit,
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aud3g := {
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algo := algo,
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k := c_K_DEFAULT,
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op := c_OP_DEFAULT,
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op_is_opc := is_opc
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}
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}
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template (value) HlrSubscriber t_Sub2G3G(hexstring imsi, hexstring msisdn, charstring algo2g, charstring algo3g, boolean is_opc) := {
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imsi := imsi,
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msisdn := msisdn,
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aud2g := {
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algo := algo2g,
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ki := c_KI_DEFAULT
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},
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aud3g := {
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algo := algo3g,
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k := c_K_DEFAULT,
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op := c_OP_DEFAULT,
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op_is_opc := is_opc
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}
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}
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/* generate a variety of subscribers with different parameters */
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function f_gen_subs() runs on test_CT return HlrSubscriberList {
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var HlrSubscriber sub;
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var HlrSubscriberList sl := {};
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sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1"));
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sl := sl & { sub };
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sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v2"));
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sl := sl & { sub };
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sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v3"));
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sl := sl & { sub };
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sub := valueof(t_Sub3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "milenage", false));
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sl := sl & { sub };
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sub := valueof(t_Sub3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "milenage", true));
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sl := sl & { sub };
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sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9),
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"comp128v1", "milenage", false));
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sl := sl & { sub };
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sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9),
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"comp128v2", "milenage", false));
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sl := sl & { sub };
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sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9),
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"comp128v3", "milenage", false));
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sl := sl & { sub };
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return sl;
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}
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function f_init_vty() runs on test_CT {
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map(self:VTY, system:VTY);
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f_vty_set_prompts(VTY);
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f_vty_transceive(VTY, "enable");
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}
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private altstep as_Tguard() runs on test_CT {
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[] g_Tguard.timeout {
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setverdict(fail, "g_Tguard timeout");
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self.stop;
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}
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}
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function f_init() runs on test_CT {
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/* activate default guard timer to ensure all tests eventually terminate */
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g_Tguard.start;
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activate(as_Tguard());
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ccm_pars := c_IPA_default_ccm_pars;
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ccm_pars.name := "Osmocom TTCN-3 GSUP Simulator";
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vc_IPA := IPA_Emulation_CT.create("IPA");
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map(vc_IPA:IPA_PORT, system:IPA_CODEC_PT);
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connect(vc_IPA:IPA_GSUP_PORT, self:GSUP);
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vc_IPA.start(IPA_Emulation.main_client(mp_hlr_ip, mp_hlr_gsup_port, "", -1, ccm_pars));
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timer T:= 10.0;
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alt {
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[] GSUP.receive(ASP_IPA_Event:{up_down := ASP_IPA_EVENT_UP}) { }
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[] T.timeout {
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setverdict(fail, "Timeout waiting for GSUP IPA Link to come up");
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self.stop;
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}
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}
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f_init_vty();
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f_ipa_ctrl_start(mp_hlr_ip, mp_hlr_ctrl_port);
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}
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function f_vty_transceive_match(TELNETasp_PT pt, charstring cmd, template charstring exp_ret) {
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var charstring ret := f_vty_transceive_ret(pt, cmd);
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if (not match(ret, exp_ret)) {
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setverdict(fail, "Non-matching VTY response: ", ret);
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self.stop;
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}
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}
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private template (value) charstring t_subscr_prefix(hexstring imsi) :=
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"subscriber imsi " & hex2str(imsi) & " ";
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/* create a given subscriber using the VTY */
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function f_vty_subscr_create(HlrSubscriber sub) runs on test_CT {
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var charstring prefix := valueof(t_subscr_prefix(sub.imsi));
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f_vty_transceive_match(VTY, prefix & "create", pattern "% Created subscriber *");
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f_vty_transceive_match(VTY, prefix & "update msisdn " & hex2str(sub.msisdn),
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pattern "% Updated subscriber *");
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if (ispresent(sub.aud2g)) {
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f_vty_transceive_match(VTY, prefix & "update aud2g " & sub.aud2g.algo &
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" ki " & oct2str(sub.aud2g.ki),
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pattern "");
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} else {
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f_vty_transceive_match(VTY, prefix & "update aud2g none", pattern "");
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}
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if (ispresent(sub.aud3g)) {
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var charstring op_mode := "op";
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if (sub.aud3g.op_is_opc) {
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op_mode := "opc";
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}
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f_vty_transceive_match(VTY, prefix & "update aud3g " & sub.aud3g.algo &
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" k " & oct2str(sub.aud3g.k) & " " & op_mode & " " &
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oct2str(sub.aud3g.op), pattern "");
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} else {
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f_vty_transceive_match(VTY, prefix & "update aud3g none", pattern "");
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}
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}
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function f_vty_subscr_update_msisdn(HlrSubscriber sub, hexstring new_msisdn) runs on test_CT {
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var charstring prefix := valueof(t_subscr_prefix(sub.imsi));
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f_vty_transceive_match(VTY, prefix & "update msisdn " & hex2str(new_msisdn),
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pattern "% Updated subscriber *");
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}
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/* perform 'delete' on subscriber */
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function f_vty_subscr_delete(HlrSubscriber sub) runs on test_CT {
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var charstring prefix := valueof(t_subscr_prefix(sub.imsi));
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f_vty_transceive_match(VTY, prefix & "delete",
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pattern "% Deleted subscriber for IMSI *");
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}
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/* perform 'show' on subscriber; match result with pattern 'exp' */
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function f_vty_subscr_show(HlrSubscriber sub, template charstring exp) runs on test_CT {
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var charstring prefix := valueof(t_subscr_prefix(sub.imsi));
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f_vty_transceive_match(VTY, prefix & "show", exp);
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}
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/* perform SendAuthInfo for given imsi, return the GSUP response/error */
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function f_perform_SAI(hexstring imsi, template (omit) integer exp_err_cause := omit)
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runs on test_CT return GSUP_PDU {
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var GSUP_PDU ret;
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timer T := 3.0;
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var boolean exp_fail := false;
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if (not istemplatekind(exp_err_cause, "omit")) {
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exp_fail := true;
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}
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GSUP.send(valueof(ts_GSUP_SAI_REQ(imsi)));
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T.start;
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alt {
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[exp_fail] GSUP.receive(tr_GSUP_SAI_ERR(imsi, exp_err_cause)) -> value ret {
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setverdict(pass);
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}
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[exp_fail] GSUP.receive(tr_GSUP_SAI_ERR(imsi, ?)) -> value ret {
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setverdict(fail, "Unexpected SAI ERROR Cause");
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}
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[exp_fail] GSUP.receive(tr_GSUP_SAI_RES(imsi)) -> value ret {
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setverdict(fail, "Unexpected SAI.res for unknown IMSI");
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}
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[not exp_fail] GSUP.receive(tr_GSUP_SAI_ERR(imsi, ?)) -> value ret {
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setverdict(fail, "Unexpected SAI ERROR");
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}
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[not exp_fail] GSUP.receive(tr_GSUP_SAI_RES(imsi)) -> value ret {
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setverdict(pass);
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}
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[] GSUP.receive { repeat; }
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[] T.timeout {
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setverdict(fail, "Timeout waiting for SAI response");
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self.stop;
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}
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}
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return ret;
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}
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function f_perform_UL(hexstring imsi, template hexstring msisdn,
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template (omit) integer exp_err_cause := omit)
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runs on test_CT return GSUP_PDU {
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var GSUP_PDU ret;
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timer T := 3.0;
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var boolean exp_fail := false;
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var boolean isd_done := false;
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if (not istemplatekind(exp_err_cause, "omit")) {
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exp_fail := true;
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}
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GSUP.send(valueof(ts_GSUP_UL_REQ(imsi)));
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T.start;
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alt {
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[exp_fail] GSUP.receive(tr_GSUP_UL_ERR(imsi, exp_err_cause)) -> value ret {
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setverdict(pass);
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}
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[exp_fail] GSUP.receive(tr_GSUP_UL_ERR(imsi, ?)) -> value ret {
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setverdict(fail, "Unexpected UL ERROR Cause");
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}
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[exp_fail] GSUP.receive(tr_GSUP_UL_RES(imsi)) -> value ret {
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setverdict(fail, "Unexpected UL.res for unknown IMSI");
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}
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[exp_fail] GSUP.receive(tr_GSUP_ISD_REQ(imsi)) -> value ret {
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setverdict(fail, "Unexpected ISD.req in error case");
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}
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[not exp_fail] GSUP.receive(tr_GSUP_UL_ERR(imsi, ?)) -> value ret {
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setverdict(fail, "Unexpected UL ERROR");
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}
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[not exp_fail and not isd_done] GSUP.receive(tr_GSUP_ISD_REQ(imsi, msisdn)) -> value ret {
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GSUP.send(ts_GSUP_ISD_RES(imsi));
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isd_done := true;
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repeat;
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}
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[not exp_fail and isd_done] GSUP.receive(tr_GSUP_UL_RES(imsi)) -> value ret {
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setverdict(pass);
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}
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[] GSUP.receive { repeat; }
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[] T.timeout {
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setverdict(fail, "Timeout waiting for UL response");
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self.stop;
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}
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}
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return ret;
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}
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/* perform PurgeMS for given imsi, return the GSUP response/error */
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function f_perform_PURGE(hexstring imsi, GSUP_CnDomain cn_dom,
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template (omit) integer exp_err_cause := omit)
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runs on test_CT return GSUP_PDU {
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var GSUP_PDU ret;
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timer T := 3.0;
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var boolean exp_fail := false;
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if (not istemplatekind(exp_err_cause, "omit")) {
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exp_fail := true;
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}
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GSUP.send(valueof(ts_GSUP_PURGE_MS_REQ(imsi, cn_dom)));
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T.start;
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alt {
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[exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_ERR(imsi, exp_err_cause)) -> value ret {
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setverdict(pass);
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}
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[exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_ERR(imsi, ?)) -> value ret {
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setverdict(fail, "Unexpected PURGE ERROR Cause");
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}
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[exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_RES(imsi)) -> value ret {
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setverdict(fail, "Unexpected PURGE.res for unknown IMSI");
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}
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[not exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_ERR(imsi, ?)) -> value ret {
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setverdict(fail, "Unexpected PURGE ERROR");
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}
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[not exp_fail] GSUP.receive(tr_GSUP_PURGE_MS_RES(imsi)) -> value ret {
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setverdict(pass);
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}
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[] GSUP.receive { repeat; }
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[] T.timeout {
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setverdict(fail, "Timeout waiting for PURGE response");
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self.stop;
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}
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}
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return ret;
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}
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testcase TC_gsup_sai_err_invalid_imsi() runs on test_CT {
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/* 23.003 Section 2.2 clearly states that an IMSI with less
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* than 5 digits is impossible. Even 5 digits is still questionable */
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var hexstring imsi := '0123'H;
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var GSUP_PDU res;
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f_init();
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res := f_perform_SAI(imsi, 96); /* Invalid Mandatory information */
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setverdict(pass);
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}
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testcase TC_gsup_sai_err_unknown_imsi() runs on test_CT {
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var hexstring imsi := f_rnd_imsi('26242'H);
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var GSUP_PDU res;
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f_init();
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res := f_perform_SAI(imsi, 2);
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setverdict(pass);
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}
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/* test SAI for a number of different subscriber cases (algo, 2g/3g, ...) */
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testcase TC_gsup_sai() runs on test_CT {
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var HlrSubscriberList sl;
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var GSUP_PDU res;
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f_init();
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sl := f_gen_subs();
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for (var integer i := 0; i < sizeof(sl); i := i+1) {
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var HlrSubscriber sub := sl[i];
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log("Testing SAI for ", sub);
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f_vty_subscr_create(sub);
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res := f_perform_SAI(sub.imsi);
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/* TODO: match if tuple[s] matches expectation */
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f_vty_subscr_delete(sub);
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}
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setverdict(pass);
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}
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/* test UL for unknown IMSI */
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testcase TC_gsup_ul_unknown_imsi() runs on test_CT {
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var hexstring imsi := f_rnd_imsi('26242'H);
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var GSUP_PDU res;
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f_init();
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res := f_perform_UL(imsi, ?, 2);
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setverdict(pass);
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}
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/* test SAI for a number of different subscriber cases (algo, 2g/3g, ...) */
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testcase TC_gsup_ul() runs on test_CT {
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var HlrSubscriberList sl;
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var GSUP_PDU res;
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f_init();
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sl := f_gen_subs();
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for (var integer i := 0; i < sizeof(sl); i := i+1) {
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var HlrSubscriber sub := sl[i];
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log("Testing UL for ", sub);
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f_vty_subscr_create(sub);
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res := f_perform_UL(sub.imsi, sub.msisdn);
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f_vty_subscr_delete(sub);
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}
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setverdict(pass);
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}
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/* Test only the VTY commands */
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testcase TC_vty() runs on test_CT {
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var HlrSubscriber sub;
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f_init();
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/* we're not using f_gen_subs() here as the expect pattern for the 'show' are different
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* from case to case */
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sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1"));
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f_vty_subscr_create(sub);
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f_vty_subscr_show(sub, pattern "*IMSI: *2G auth: COMP128v1*");
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f_vty_subscr_delete(sub);
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sub := valueof(t_Sub3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9),
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"milenage", false));
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f_vty_subscr_create(sub);
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f_vty_subscr_show(sub, pattern "*IMSI: *3G auth: MILENAGE*");
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f_vty_subscr_delete(sub);
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sub := valueof(t_Sub2G3G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9),
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"comp128v1", "milenage", false));
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f_vty_subscr_create(sub);
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f_vty_subscr_show(sub, pattern "*IMSI: *2G auth: COMP128v1*3G auth: MILENAGE*");
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f_vty_subscr_delete(sub);
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setverdict(pass);
|
|
}
|
|
|
|
/* VTY changes to MSISDN should result in ISD to current VLR */
|
|
testcase TC_vty_msisdn_isd() runs on test_CT {
|
|
var HlrSubscriber sub;
|
|
var hexstring new_msisdn;
|
|
var GSUP_PDU res;
|
|
timer T := 5.0;
|
|
|
|
f_init();
|
|
|
|
/* Create Subscriber */
|
|
sub := valueof(t_Sub2G(f_rnd_imsi('26242'H), '49161'H & f_rnd_hexstring(7, 9), "comp128v1"));
|
|
f_vty_subscr_create(sub);
|
|
|
|
/* Perform UpdateLocation (VLR now known to HLR) */
|
|
res := f_perform_UL(sub.imsi, sub.msisdn);
|
|
|
|
/* Then change IMSI via VTY */
|
|
new_msisdn := '49161'H & f_rnd_hexstring(7, 9);
|
|
f_vty_subscr_update_msisdn(sub, new_msisdn);
|
|
/* And expect InsertSubscriberData as result */
|
|
T.start;
|
|
alt {
|
|
[] GSUP.receive(tr_GSUP_ISD_REQ(sub.imsi, new_msisdn)) {
|
|
GSUP.send(ts_GSUP_ISD_RES(sub.imsi));
|
|
sub.msisdn := new_msisdn;
|
|
setverdict(pass);
|
|
}
|
|
[] GSUP.receive { repeat; }
|
|
[] T.timeout {
|
|
setverdict(fail, "Timeout waiting for ISD.req");
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Test PURGE MS for CS services */
|
|
testcase TC_gsup_purge_cs() runs on test_CT {
|
|
var HlrSubscriberList sl;
|
|
var GSUP_PDU res;
|
|
|
|
f_init();
|
|
|
|
sl := f_gen_subs();
|
|
for (var integer i := 0; i < sizeof(sl); i := i+1) {
|
|
var HlrSubscriber sub := sl[i];
|
|
log("Testing CS Purge for ", sub);
|
|
f_vty_subscr_create(sub);
|
|
res := f_perform_UL(sub.imsi, sub.msisdn);
|
|
res := f_perform_PURGE(sub.imsi, OSMO_GSUP_CN_DOMAIN_CS);
|
|
f_vty_subscr_delete(sub);
|
|
}
|
|
|
|
setverdict(pass);
|
|
}
|
|
|
|
/* Test PURGE MS for PS services */
|
|
testcase TC_gsup_purge_ps() runs on test_CT {
|
|
var HlrSubscriberList sl;
|
|
var GSUP_PDU res;
|
|
|
|
f_init();
|
|
|
|
sl := f_gen_subs();
|
|
for (var integer i := 0; i < sizeof(sl); i := i+1) {
|
|
var HlrSubscriber sub := sl[i];
|
|
log("Testing PS Purge for ", sub);
|
|
f_vty_subscr_create(sub);
|
|
res := f_perform_UL(sub.imsi, sub.msisdn);
|
|
res := f_perform_PURGE(sub.imsi, OSMO_GSUP_CN_DOMAIN_PS);
|
|
f_vty_subscr_delete(sub);
|
|
}
|
|
|
|
setverdict(pass);
|
|
}
|
|
|
|
/* Test PURGEG MS procedure for unknown IMSI */
|
|
testcase TC_gsup_purge_unknown() runs on test_CT {
|
|
var hexstring imsi := '2345743413463'H;
|
|
var GSUP_PDU res;
|
|
|
|
f_init();
|
|
|
|
res := f_perform_PURGE(imsi, OSMO_GSUP_CN_DOMAIN_CS, 2);
|
|
|
|
setverdict(pass);
|
|
}
|
|
|
|
|
|
/* TODO:
|
|
* UL with ISD error
|
|
* UL with ISD timeout
|
|
* LOCATION CANCEL
|
|
* AUTH FAIL REP
|
|
* DELETE DATA after hlr_subscr_nam() change
|
|
* correctness
|
|
** wrong message type
|
|
** wrong length of PDU
|
|
** too short message
|
|
** missing IMSI IE
|
|
|
|
*/
|
|
|
|
control {
|
|
execute( TC_gsup_sai_err_invalid_imsi() );
|
|
execute( TC_gsup_sai() );
|
|
execute( TC_gsup_ul_unknown_imsi() );
|
|
execute( TC_gsup_sai_err_unknown_imsi() );
|
|
execute( TC_gsup_ul() );
|
|
execute( TC_vty() );
|
|
execute( TC_vty_msisdn_isd() );
|
|
execute( TC_gsup_purge_cs() );
|
|
execute( TC_gsup_purge_ps() );
|
|
execute( TC_gsup_purge_unknown() );
|
|
};
|
|
|
|
};
|