diff options
Diffstat (limited to 'ggsn_tests')
| -rw-r--r-- | ggsn_tests/GGSN_Tests.default | 9 | ||||
| -rw-r--r-- | ggsn_tests/GGSN_Tests.ttcn | 76 | ||||
| -rwxr-xr-x | ggsn_tests/gen_links.sh | 5 | ||||
| -rwxr-xr-x | ggsn_tests/regen_makefile.sh | 2 |
4 files changed, 86 insertions, 6 deletions
diff --git a/ggsn_tests/GGSN_Tests.default b/ggsn_tests/GGSN_Tests.default index 2d57f897..ff0cd975 100644 --- a/ggsn_tests/GGSN_Tests.default +++ b/ggsn_tests/GGSN_Tests.default @@ -1,6 +1,14 @@ [LOGGING] [TESTPORT_PARAMETERS] +*.GGSNVTY.CTRL_MODE := "client" +*.GGSNVTY.CTRL_HOSTNAME := "127.0.0.1" +*.GGSNVTY.CTRL_PORTNUM := "4260" +*.GGSNVTY.CTRL_LOGIN_SKIPPED := "yes" +*.GGSNVTY.CTRL_DETECT_SERVER_DISCONNECTED := "yes" +*.GGSNVTY.CTRL_READMODE := "buffered" +*.GGSNVTY.CTRL_CLIENT_CLEANUP_LINEFEED := "yes" +*.GGSNVTY.PROMPT1 := "OsmoGGSN> " [MODULE_PARAMETERS] GGSN_Tests.m_bind_ip_gtpc := "127.0.42.1" @@ -11,5 +19,6 @@ GGSN_Tests.m_ggsn_ip4_dns1 := "192.168.100.1" GGSN_Tests.m_ggsn_ip4_dns2 := "8.8.8.8" GGSN_Tests.m_ggsn_ip6_dns1 := "2001:4860:4860::8888" GGSN_Tests.m_ggsn_ip6_dns2 := "2001:4860:4860::8844" +Osmocom_VTY_Functions.mp_prompt_prefix := "OsmoGGSN"; [EXECUTE] diff --git a/ggsn_tests/GGSN_Tests.ttcn b/ggsn_tests/GGSN_Tests.ttcn index 14690628..ba8fae5d 100644 --- a/ggsn_tests/GGSN_Tests.ttcn +++ b/ggsn_tests/GGSN_Tests.ttcn @@ -14,6 +14,8 @@ module GGSN_Tests { import from ICMP_Types all; import from ICMPv6_Types all; import from Native_Functions all; + import from Osmocom_VTY_Functions all; + import from TELNETasp_PortType all; const integer GTP0_PORT := 3386; const integer GTP1C_PORT := 2123; @@ -89,6 +91,42 @@ module GGSN_Tests { var uint16_t g_c_seq_nr; /* next to-be-sent GTP-U sequence number */ var uint16_t g_d_seq_nr; + + port TELNETasp_PT GGSNVTY; + var boolean use_gptu_txseq := true; + } + + private function f_init_vty() runs on GT_CT { + map(self:GGSNVTY, system:GGSNVTY); + f_vty_set_prompts(GGSNVTY); + f_vty_transceive(GGSNVTY, "enable"); + } + + private function f_vty_set_gpdu_txseq(boolean enable) runs on GT_CT { + f_vty_enter_config(GGSNVTY); + f_vty_transceive(GGSNVTY, "ggsn ggsn0"); + f_vty_transceive(GGSNVTY, "apn internet"); + if (enable) { + f_vty_transceive(GGSNVTY, "g-pdu tx-sequence-numbers"); + } else { + f_vty_transceive(GGSNVTY, "no g-pdu tx-sequence-numbers"); + } + f_vty_transceive(GGSNVTY, "end"); + } + + private function f_verify_gtpu_txseq(in PDU_GTPU gtpu, in boolean expect_gptu_txseq) return boolean { + if (expect_gptu_txseq) { + if (gtpu.s_bit != '1'B) { + log("GTPU sequence number expected but not present") + return false; + } + } else { + if (gtpu.s_bit != '0'B) { + log("GTPU sequence number not expected but present") + return false; + } + } + return true; } function f_init() runs on GT_CT { @@ -113,6 +151,9 @@ module GGSN_Tests { g_restart_ctr := f_rnd_octstring(1); g_c_seq_nr := f_rnd_int(65535); g_d_seq_nr := f_rnd_int(65535); + + f_init_vty(); + f_vty_set_gpdu_txseq(use_gptu_txseq); } /* Altstep implementing responses to any incoming echo requests */ @@ -167,8 +208,12 @@ module GGSN_Tests { /* send GTP-U for a given context and increment sequence number */ function f_send_gtpu(inout PdpContext ctx, in octetstring data) runs on GT_CT { - GTPU.send(ts_GTP1U_GPDU(g_peer_u, g_d_seq_nr, ctx.teid_remote, data)); - g_d_seq_nr := g_d_seq_nr + 1; + if (use_gptu_txseq) { + GTPU.send(ts_GTP1U_GPDU(g_peer_u, g_d_seq_nr, ctx.teid_remote, data)); + g_d_seq_nr := g_d_seq_nr + 1; + } else { + GTPU.send(ts_GTP1U_GPDU(g_peer_u, omit, ctx.teid_remote, data)); + } } /* send a PDP context activation */ @@ -558,6 +603,10 @@ module GGSN_Tests { T_default.start; alt { [] GTPU.receive(tr_GTPU_GPDU(g_peer_u, ?)) -> value ud { + if (f_verify_gtpu_txseq(ud.gtpu, use_gptu_txseq) == false) { + setverdict(fail); + stop; + } var octetstring gpdu := ud.gtpu.gtpu_IEs.g_PDU_IEs.data; var IPv4_packet ip4 := f_IPv4_dec(gpdu); if (ip4.header.ver != 4) { @@ -590,6 +639,10 @@ module GGSN_Tests { T_default.start; alt { [] GTPU.receive(tr_GTPU_GPDU(g_peer_u, ?)) -> value ud { + if (f_verify_gtpu_txseq(ud.gtpu, use_gptu_txseq) == false) { + setverdict(fail); + stop; + } var octetstring gpdu := ud.gtpu.gtpu_IEs.g_PDU_IEs.data; var IPv6_packet ip6 := f_IPv6_dec(gpdu); if (ip6.header.ver != 6 or ip6.header.nexthead != 58) { @@ -840,8 +893,8 @@ module GGSN_Tests { f_pdp_ctx_del(ctx, '1'B); } - /* Validate if different clients (pdp ctx) can reach one another through GGSN. */ - testcase TC_pdp4_clients_interact() runs on GT_CT { + /* Helper function for tests below. */ + function f_pdp4_clients_interact() runs on GT_CT { f_init(); var PdpContext ctxA := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); var PdpContext ctxB := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); @@ -855,6 +908,18 @@ module GGSN_Tests { f_pdp_ctx_del(ctxA, '1'B); } + /* Validate if different clients (pdp ctx) can reach one another through GGSN. */ + testcase TC_pdp4_clients_interact_with_txseq() runs on GT_CT { + use_gptu_txseq := true; + f_pdp4_clients_interact(); + } + + /* Validate if different clients (pdp ctx) can reach one another through GGSN (without Tx sequence number). */ + testcase TC_pdp4_clients_interact_without_txseq() runs on GT_CT { + use_gptu_txseq := false; + f_pdp4_clients_interact(); + } + testcase TC_echo_req_resp() runs on GT_CT { f_init(); f_send_gtpc(ts_GTPC_PING(g_peer_c, g_c_seq_nr)); @@ -872,7 +937,8 @@ module GGSN_Tests { execute(TC_pdp4_act_deact_ipcp()); execute(TC_pdp4_act_deact_pcodns()); execute(TC_pdp4_act_deact_gtpu_access()); - execute(TC_pdp4_clients_interact()); + execute(TC_pdp4_clients_interact_with_txseq()); + execute(TC_pdp4_clients_interact_without_txseq()); execute(TC_pdp6_act_deact()); execute(TC_pdp6_act_deact_pcodns()); diff --git a/ggsn_tests/gen_links.sh b/ggsn_tests/gen_links.sh index 6ef52e17..4e012ae3 100755 --- a/ggsn_tests/gen_links.sh +++ b/ggsn_tests/gen_links.sh @@ -40,9 +40,14 @@ DIR=$BASEDIR/titan.ProtocolModules.GTP_v13.5.0/src FILES="GTPC_EncDec.cc GTPC_Types.ttcn GTPU_EncDec.cc GTPU_Types.ttcn" gen_links $DIR $FILES +DIR=$BASEDIR/titan.TestPorts.TELNETasp/src +FILES="TELNETasp_PT.cc TELNETasp_PT.hh TELNETasp_PortType.ttcn" +gen_links $DIR $FILES + DIR=../library FILES="General_Types.ttcn GSM_Types.ttcn Osmocom_Types.ttcn Native_Functions.ttcn Native_FunctionDefs.cc IPCP_Types.ttcn " FILES+="GTP_CodecPort.ttcn GTP_CodecPort_CtrlFunct.ttcn GTP_CodecPort_CtrlFunctDef.cc GTP_Templates.ttcn " +FILES+="Osmocom_VTY_Functions.ttcn " gen_links $DIR $FILES ignore_pp_results diff --git a/ggsn_tests/regen_makefile.sh b/ggsn_tests/regen_makefile.sh index 2fc74f70..6db1a3dd 100755 --- a/ggsn_tests/regen_makefile.sh +++ b/ggsn_tests/regen_makefile.sh @@ -1,5 +1,5 @@ #!/bin/sh -FILES="*.ttcn IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc GTPC_EncDec.cc GTPU_EncDec.cc GTP_CodecPort_CtrlFunctDef.cc ICMPv6_EncDec.cc IP_EncDec.cc Native_FunctionDefs.cc UDP_EncDec.cc ICMP_EncDec.cc" +FILES="*.ttcn IPL4asp_PT.cc IPL4asp_discovery.cc TCCConversion.cc TCCInterface.cc GTPC_EncDec.cc GTPU_EncDec.cc GTP_CodecPort_CtrlFunctDef.cc ICMPv6_EncDec.cc IP_EncDec.cc Native_FunctionDefs.cc UDP_EncDec.cc ICMP_EncDec.cc TELNETasp_PT.cc" ../regen-makefile.sh GGSN_Tests.ttcn $FILES |