Harald Welte | 379d45a | 2017-08-03 09:55:15 +0200 | [diff] [blame] | 1 | module GGSN_Tests { |
| 2 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 3 | import from General_Types all; |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 4 | import from Osmocom_Types all; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 5 | import from IPL4asp_PortType all; |
| 6 | import from IPL4asp_Types all; |
| 7 | import from GTP_CodecPort all; |
| 8 | import from GTP_CodecPort_CtrlFunct all; |
Harald Welte | c69cf4e | 2018-02-17 20:57:02 +0100 | [diff] [blame] | 9 | import from GTP_Templates all; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 10 | import from GTPC_Types all; |
| 11 | import from GTPU_Types all; |
Harald Welte | 71a3602 | 2017-12-04 18:55:58 +0100 | [diff] [blame] | 12 | import from IPCP_Types all; |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 13 | import from IP_Types all; |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 14 | import from ICMP_Types all; |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 15 | import from ICMPv6_Types all; |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 16 | import from Native_Functions all; |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 17 | import from Osmocom_VTY_Functions all; |
| 18 | import from TELNETasp_PortType all; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 19 | |
| 20 | const integer GTP0_PORT := 3386; |
| 21 | const integer GTP1C_PORT := 2123; |
| 22 | const integer GTP1U_PORT := 2152; |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 23 | |
| 24 | modulepar { |
Stefan Sperling | cb782b9 | 2018-04-03 16:03:15 +0200 | [diff] [blame] | 25 | /* Default IP addresses. May be overridden by GGSN_Tests configuration files. */ |
| 26 | |
| 27 | /* The SGSN simulated by TTCN3 will bind to these addresses for GTP control and GTP user planes. */ |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 28 | charstring m_bind_ip_gtpc := "127.23.42.1"; |
| 29 | charstring m_bind_ip_gtpu := "127.23.42.1"; |
| 30 | |
Stefan Sperling | cb782b9 | 2018-04-03 16:03:15 +0200 | [diff] [blame] | 31 | /* Addresses the GGSN which is being tested is listening on for SGSN connections. */ |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 32 | charstring m_ggsn_ip_gtpc := "127.0.0.6"; |
| 33 | charstring m_ggsn_ip_gtpu := "127.0.0.6"; |
Pau Espin Pedrol | f69a438 | 2018-01-29 13:09:00 +0100 | [diff] [blame] | 34 | |
Stefan Sperling | cb782b9 | 2018-04-03 16:03:15 +0200 | [diff] [blame] | 35 | /* |
| 36 | * Our tests expect to see these DNS servers in 'Create PDP context responses' sent by the GGSN. |
| 37 | * These addresses must therefore match 'ip[v6] dns' options configured in osmo-ggsn.conf. |
| 38 | * |
| 39 | * These addresses are not expected to serve actual DNS requests. However, tests may expect to be |
| 40 | * able to ping these addresses (currently, IPv4 addresses must respond with an ICMP 'echo reply', |
| 41 | * and IPv6 addresses may respond with either ICMPv6 'echo reply' or 'destination unreachable'). |
| 42 | */ |
Pau Espin Pedrol | f69a438 | 2018-01-29 13:09:00 +0100 | [diff] [blame] | 43 | charstring m_ggsn_ip4_dns1 := "192.168.100.1" |
| 44 | charstring m_ggsn_ip4_dns2 := "8.8.8.8" |
Pau Espin Pedrol | 363ba48 | 2018-01-29 18:42:00 +0100 | [diff] [blame] | 45 | charstring m_ggsn_ip6_dns1 := "2001:4860:4860::8888" |
| 46 | charstring m_ggsn_ip6_dns2 := "2001:4860:4860::8844" |
Stefan Sperling | cb782b9 | 2018-04-03 16:03:15 +0200 | [diff] [blame] | 47 | |
| 48 | /* |
| 49 | * Additional address ranges are defined in osmo-ggsn.conf from which addresses are assigned |
| 50 | * to MS "behind" the simulated SGSN. These addresses appear on tun devices used by osmo-ggsn. |
| 51 | * The tests expect to be able to send ping packets between any two simulated MS within the same |
| 52 | * address range. This requires IP forwarding to be enabled on the corresponding tun interfaces. |
| 53 | */ |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 54 | } |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 55 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 56 | type set PdpContext { |
| 57 | hexstring imsi, |
| 58 | octetstring msisdn optional, |
| 59 | octetstring apn, |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 60 | ProtConfigOptions pco_req optional, |
| 61 | ProtConfigOptions pco_neg optional, |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 62 | EndUserAddress eua, |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 63 | OCT16 ip6_prefix optional, |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 64 | BIT4 nsapi, |
| 65 | /* TEI (Data) local side */ |
| 66 | OCT4 teid, |
| 67 | /* TEI (Control) local side */ |
| 68 | OCT4 teic, |
| 69 | /* TEI (Data) remote side */ |
| 70 | OCT4 teid_remote, |
| 71 | /* TEI (Control) remote side */ |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 72 | OCT4 teic_remote |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 73 | } |
| 74 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 75 | type component GT_CT { |
| 76 | port GTPC_PT GTPC; |
| 77 | port GTPU_PT GTPU; |
| 78 | |
Harald Welte | 0be142b | 2017-08-13 13:28:10 +0200 | [diff] [blame] | 79 | var boolean g_initialized := false; |
| 80 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 81 | var OCT1 g_restart_ctr := '01'O; |
| 82 | /* FIXME: unify with g_bind_ip + parse from config file */ |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 83 | var OCT4 g_sgsn_ip_c; |
| 84 | var OCT4 g_sgsn_ip_u; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 85 | /* FIXME: parse remName from config file */ |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 86 | var GtpPeer g_peer_c := { connId := 0, remName := m_ggsn_ip_gtpc, remPort := GTP1C_PORT }; |
| 87 | var GtpPeer g_peer_u := { connId := 0, remName := m_ggsn_ip_gtpu, remPort := GTP1U_PORT }; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 88 | timer T_default := 3.0; |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 89 | |
| 90 | /* next to-be-sent GTP-C sequence number */ |
| 91 | var uint16_t g_c_seq_nr; |
| 92 | /* next to-be-sent GTP-U sequence number */ |
| 93 | var uint16_t g_d_seq_nr; |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 94 | |
| 95 | port TELNETasp_PT GGSNVTY; |
| 96 | var boolean use_gptu_txseq := true; |
| 97 | } |
| 98 | |
| 99 | private function f_init_vty() runs on GT_CT { |
| 100 | map(self:GGSNVTY, system:GGSNVTY); |
| 101 | f_vty_set_prompts(GGSNVTY); |
| 102 | f_vty_transceive(GGSNVTY, "enable"); |
| 103 | } |
| 104 | |
| 105 | private function f_vty_set_gpdu_txseq(boolean enable) runs on GT_CT { |
| 106 | f_vty_enter_config(GGSNVTY); |
| 107 | f_vty_transceive(GGSNVTY, "ggsn ggsn0"); |
| 108 | f_vty_transceive(GGSNVTY, "apn internet"); |
| 109 | if (enable) { |
| 110 | f_vty_transceive(GGSNVTY, "g-pdu tx-sequence-numbers"); |
| 111 | } else { |
| 112 | f_vty_transceive(GGSNVTY, "no g-pdu tx-sequence-numbers"); |
| 113 | } |
| 114 | f_vty_transceive(GGSNVTY, "end"); |
| 115 | } |
| 116 | |
| 117 | private function f_verify_gtpu_txseq(in PDU_GTPU gtpu, in boolean expect_gptu_txseq) return boolean { |
| 118 | if (expect_gptu_txseq) { |
| 119 | if (gtpu.s_bit != '1'B) { |
| 120 | log("GTPU sequence number expected but not present") |
| 121 | return false; |
| 122 | } |
| 123 | } else { |
| 124 | if (gtpu.s_bit != '0'B) { |
| 125 | log("GTPU sequence number not expected but present") |
| 126 | return false; |
| 127 | } |
| 128 | } |
| 129 | return true; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 130 | } |
| 131 | |
| 132 | function f_init() runs on GT_CT { |
Harald Welte | 0be142b | 2017-08-13 13:28:10 +0200 | [diff] [blame] | 133 | if (g_initialized == true) { |
| 134 | return; |
| 135 | } |
| 136 | g_initialized := true; |
| 137 | |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 138 | g_sgsn_ip_c := f_inet_addr(m_bind_ip_gtpc); |
| 139 | g_sgsn_ip_u := f_inet_addr(m_bind_ip_gtpu); |
| 140 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 141 | var Result res; |
| 142 | map(self:GTPC, system:GTPC); |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 143 | res := GTP_CodecPort_CtrlFunct.f_IPL4_listen(GTPC, m_bind_ip_gtpc, GTP1C_PORT, {udp:={}}); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 144 | log("GTP1C ConnectionID: ", res.connId); |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 145 | g_peer_c.connId := res.connId; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 146 | |
| 147 | map(self:GTPU, system:GTPU); |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 148 | res := GTP_CodecPort_CtrlFunct.f_GTPU_listen(GTPU, m_bind_ip_gtpu, GTP1U_PORT, {udp:={}}); |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 149 | g_peer_u.connId:= res.connId; |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 150 | |
| 151 | g_restart_ctr := f_rnd_octstring(1); |
Harald Welte | 11dbc7b | 2017-08-13 18:57:56 +0200 | [diff] [blame] | 152 | g_c_seq_nr := f_rnd_int(65535); |
| 153 | g_d_seq_nr := f_rnd_int(65535); |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 154 | |
| 155 | f_init_vty(); |
| 156 | f_vty_set_gpdu_txseq(use_gptu_txseq); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 157 | } |
| 158 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 159 | /* Altstep implementing responses to any incoming echo requests */ |
| 160 | altstep pingpong() runs on GT_CT { |
| 161 | var Gtp1cUnitdata ud; |
Harald Welte | 3af8948 | 2017-08-04 16:20:23 +0200 | [diff] [blame] | 162 | var Gtp1uUnitdata udu; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 163 | [] GTPC.receive(tr_GTPC_PING(?)) -> value ud { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 164 | var uint16_t seq := oct2int(ud.gtpc.opt_part.sequenceNumber); |
| 165 | GTPC.send(ts_GTPC_PONG(ud.peer, seq, '00'O)); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 166 | repeat; |
| 167 | }; |
Harald Welte | 3af8948 | 2017-08-04 16:20:23 +0200 | [diff] [blame] | 168 | [] GTPU.receive(tr_GTPU_PING(?)) -> value udu { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 169 | var uint16_t seq := oct2int(udu.gtpu.opt_part.sequenceNumber); |
| 170 | GTPU.send(ts_GTPU_PONG(udu.peer, seq, '00'O)); |
Harald Welte | 3af8948 | 2017-08-04 16:20:23 +0200 | [diff] [blame] | 171 | }; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 172 | [] T_default.timeout { setverdict(fail); }; |
| 173 | } |
| 174 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 175 | /* 'internet' in DNS encoding */ |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 176 | const octetstring c_ApnInternet := '08696E7465726E6574'O; |
| 177 | const octetstring c_ApnInet6 := '05696E657436'O; |
| 178 | const octetstring c_ApnInet46 := '06696E65743436'O; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 179 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 180 | /* return random NSAPI */ |
| 181 | function f_rnd_nsapi() return BIT4 { |
| 182 | return int2bit(f_rnd_int(16), 4); |
| 183 | } |
| 184 | |
| 185 | /* return random TEI[DC] */ |
| 186 | function f_rnd_tei() return OCT4 { |
| 187 | return int2oct(f_rnd_int(4294967296), 4); |
| 188 | } |
| 189 | |
| 190 | /* define an (internal) representation of a PDP context */ |
| 191 | template PdpContext t_DefinePDP(hexstring imsi, octetstring msisdn, octetstring apn, |
| 192 | EndUserAddress eua) := { |
| 193 | imsi := imsi, |
| 194 | msisdn := msisdn, |
| 195 | nsapi := f_rnd_nsapi(), |
| 196 | apn := apn, |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 197 | pco_req := omit, |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 198 | eua := eua, |
| 199 | teid := f_rnd_tei(), |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 200 | teic := f_rnd_tei() |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 201 | } |
| 202 | |
| 203 | /* send GTP-C for a given context and increment sequence number */ |
Harald Welte | 41575e9 | 2017-08-13 13:49:57 +0200 | [diff] [blame] | 204 | function f_send_gtpc(in template Gtp1cUnitdata data) runs on GT_CT { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 205 | GTPC.send(data); |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 206 | g_c_seq_nr := g_c_seq_nr + 1; |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 207 | } |
| 208 | |
| 209 | /* send GTP-U for a given context and increment sequence number */ |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 210 | function f_send_gtpu(inout PdpContext ctx, in octetstring data) runs on GT_CT { |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 211 | if (use_gptu_txseq) { |
| 212 | GTPU.send(ts_GTP1U_GPDU(g_peer_u, g_d_seq_nr, ctx.teid_remote, data)); |
| 213 | g_d_seq_nr := g_d_seq_nr + 1; |
| 214 | } else { |
| 215 | GTPU.send(ts_GTP1U_GPDU(g_peer_u, omit, ctx.teid_remote, data)); |
| 216 | } |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 217 | } |
| 218 | |
| 219 | /* send a PDP context activation */ |
| 220 | function f_pdp_ctx_act(inout PdpContext ctx) runs on GT_CT { |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 221 | var Gtp1cUnitdata ud; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 222 | var default d; |
| 223 | |
| 224 | log("sending CreatePDP"); |
Harald Welte | 41575e9 | 2017-08-13 13:49:57 +0200 | [diff] [blame] | 225 | f_send_gtpc(ts_GTPC_CreatePDP(g_peer_c, g_c_seq_nr, ctx.imsi, g_restart_ctr, |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 226 | ctx.teid, ctx.teic, ctx.nsapi, ctx.eua, ctx.apn, |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 227 | g_sgsn_ip_c, g_sgsn_ip_u, ctx.msisdn, ctx.pco_req)); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 228 | T_default.start; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 229 | d := activate(pingpong()); |
| 230 | alt { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 231 | [] GTPC.receive(tr_GTPC_MsgType(g_peer_c, createPDPContextResponse, ctx.teic)) -> value ud { |
| 232 | var CreatePDPContextResponse cpr := ud.gtpc.gtpc_pdu.createPDPContextResponse; |
| 233 | if (cpr.cause.causevalue == '80'O) { |
Harald Welte | 99ef9a4 | 2017-08-14 21:42:03 +0200 | [diff] [blame] | 234 | /* Check if EUA type corresponds to requested type */ |
| 235 | if (match(ctx.eua, t_EuaIPv4(?)) and |
| 236 | not match(cpr.endUserAddress, tr_EuaIPv4(?))){ |
| 237 | setverdict(fail); |
| 238 | } |
| 239 | if (match(ctx.eua, t_EuaIPv6(?)) and |
| 240 | not match(cpr.endUserAddress, tr_EuaIPv6(?))) { |
| 241 | setverdict(fail); |
| 242 | } |
| 243 | /* Check if PCO response corresponds to request */ |
| 244 | if (ispresent(ctx.pco_req)) { |
| 245 | if (match(ctx.pco_req, ts_PCO_IPv4_DNS_CONT) and |
| 246 | not match(cpr.protConfigOptions, tr_PCO_IPv4_DNS_CONT_resp(?))) { |
| 247 | log("IPv4 DNS Container requested, but missing"); |
| 248 | setverdict(fail); |
| 249 | } |
| 250 | if (match(ctx.pco_req, ts_PCO_IPv6_DNS) and |
| 251 | not match(cpr.protConfigOptions, tr_PCO_IPv6_DNS_resp(?))) { |
| 252 | log("IPv6 DNS Container requested, but missing"); |
| 253 | setverdict(fail); |
| 254 | } |
| 255 | } |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 256 | ctx.teid_remote := cpr.teidDataI.teidDataI; |
| 257 | ctx.teic_remote := cpr.teidControlPlane.teidControlPlane; |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 258 | ctx.eua := cpr.endUserAddress; |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 259 | ctx.pco_neg := cpr.protConfigOptions; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 260 | setverdict(pass); |
| 261 | } else { |
| 262 | setverdict(fail); |
| 263 | } |
| 264 | } |
| 265 | } |
| 266 | deactivate(d); |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 267 | T_default.stop; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 268 | } |
| 269 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 270 | function f_pdp_ctx_del(PdpContext ctx, template BIT1 teardown_ind) runs on GT_CT { |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 271 | var Gtp1cUnitdata ud; |
| 272 | var default d; |
| 273 | |
Harald Welte | 41575e9 | 2017-08-13 13:49:57 +0200 | [diff] [blame] | 274 | f_send_gtpc(ts_GTPC_DeletePDP(g_peer_c, g_c_seq_nr, ctx.teic_remote, ctx.nsapi, teardown_ind)); |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 275 | T_default.start; |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 276 | d := activate(pingpong()); |
| 277 | alt { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 278 | [] GTPC.receive(tr_GTPC_MsgType(g_peer_c, deletePDPContextResponse, ctx.teic)) -> value ud { |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 279 | if (ud.gtpc.gtpc_pdu.deletePDPContextResponse.cause.causevalue == '80'O) { |
| 280 | setverdict(pass); |
| 281 | } else { |
| 282 | setverdict(fail); |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | deactivate(d); |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 287 | T_default.stop; |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 288 | } |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 289 | /* IPv6 router solicitation fe80::2 -> ff02::2 from 02:88:b5:1f:25:59 */ |
| 290 | const octetstring c_router_solicit := '6000000000103afffe800000000000000000000000000002ff02000000000000000000000000000285009f2b0000000001010288b51f2559'O; |
| 291 | /* IPv6 neighbor solicitation fe80::2 -> ff02::1:ff00:2 from 02:88:b5:1f:25:59 */ |
| 292 | const octetstring c_neigh_solicit:= '6000000000203afffe800000000000000000000000000002ff0200000000000000000001ff00000287009f9600000000fe80000000000000000000000000000201010288b51f2559'O; |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 293 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 294 | /* template for sending an ICMPv4 echo request */ |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 295 | template PDU_ICMP ts_ICMPv4_ERQ := { |
| 296 | echo := { |
| 297 | type_field := 8, |
| 298 | code := 0, |
| 299 | checksum := '0000'O, |
| 300 | identifier := '0345'O, |
| 301 | sequence_number := '0001'O, |
| 302 | data := ''O |
| 303 | } |
| 304 | } |
| 305 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 306 | /* template for receiving/matching an ICMPv4 echo request */ |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 307 | template PDU_ICMP tr_ICMPv4_ERQ := { |
| 308 | echo := { |
| 309 | type_field := 8, |
| 310 | code := 0, |
| 311 | checksum := ?, |
| 312 | identifier := ?, |
| 313 | sequence_number := ?, |
| 314 | data := ? |
| 315 | } |
| 316 | } |
| 317 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 318 | /* template for receiving/matching an ICMPv4 echo reply */ |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 319 | template PDU_ICMP tr_ICMPv4_ERP(template octetstring data := *) := { |
| 320 | echo_reply := { |
| 321 | type_field := 0, |
| 322 | code := 0, |
| 323 | checksum := ?, |
| 324 | identifier := ?, |
| 325 | sequence_number := ?, |
| 326 | data := data |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | /* template for receiving/matching an ICMPv6 Destination Unreachable */ |
| 331 | template PDU_ICMP tr_ICMPv4_DU := { |
| 332 | destination_unreachable := { |
| 333 | type_field := 1, |
| 334 | code := ?, |
| 335 | checksum := ?, |
| 336 | unused := ?, |
| 337 | original_ip_msg := ? |
| 338 | } |
| 339 | } |
| 340 | |
| 341 | /* template to construct IPv4_packet from input arguments, ready for use in f_IPv4_enc() */ |
| 342 | template IPv4_packet ts_IP4(OCT4 srcaddr, OCT4 dstaddr, LIN1 proto, LIN2_BO_LAST tlen, octetstring payload) := { |
| 343 | header := { |
| 344 | ver := 4, |
| 345 | hlen := 5, |
| 346 | tos := 0, |
| 347 | tlen := tlen, |
| 348 | id := 35902, |
| 349 | res := '0'B, |
| 350 | dfrag := '1'B, |
| 351 | mfrag := '0'B, |
| 352 | foffset := 0, |
| 353 | ttl := 64, |
| 354 | proto := proto, |
| 355 | cksum := 0, |
| 356 | srcaddr := srcaddr, |
| 357 | dstaddr := dstaddr |
| 358 | }, |
| 359 | ext_headers := omit, |
| 360 | payload := payload |
| 361 | } |
| 362 | |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 363 | /* template to generate a 'Prefix Information' ICMPv6 option */ |
| 364 | template OptionField ts_ICMP6_OptPrefix(OCT16 prefix, INT1 prefix_len) := { |
| 365 | prefixInformation := { |
| 366 | typeField := 3, |
| 367 | lengthIndicator := 8, |
| 368 | prefixLength := prefix_len, |
| 369 | reserved1 := '000000'B, |
| 370 | a_Bit := '0'B, |
| 371 | l_Bit := '0'B, |
| 372 | validLifetime := oct2int('FFFFFFFF'O), |
| 373 | preferredLifetime := oct2int('FFFFFFFF'O), |
| 374 | reserved2 := '00000000'O, |
| 375 | prefix := prefix |
| 376 | } |
| 377 | } |
| 378 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 379 | /* template for sending an ICMPv6 echo request */ |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 380 | template PDU_ICMPv6 ts_ICMPv6_ERQ := { |
| 381 | echoRequest := { |
| 382 | typeField := 128, |
| 383 | code := 0, |
| 384 | checksum := '0000'O, |
| 385 | identifier := 0, |
| 386 | sequenceNr := 0, |
| 387 | data := ''O |
| 388 | } |
| 389 | } |
| 390 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 391 | /* template for sending an ICMPv6 router solicitation */ |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 392 | template PDU_ICMPv6 ts_ICMPv6_RS := { |
| 393 | routerSolicitation := { |
| 394 | typeField := 133, |
| 395 | code := 0, |
| 396 | checksum := '0000'O, |
| 397 | reserved := '00000000'O, |
| 398 | /* TODO: do we need 'Source link-layer address' ? */ |
| 399 | options := omit |
| 400 | } |
| 401 | } |
| 402 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 403 | /* template for sending an ICMPv6 router advertisement */ |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 404 | template PDU_ICMPv6 ts_ICMPv6_RA(OCT16 prefix, INT1 prefix_len) := { |
| 405 | routerAdvertisement := { |
| 406 | typeField := 134, |
| 407 | code := 0, |
| 408 | checksum := '0000'O, |
| 409 | curHopLimit := ?, |
| 410 | reserved := '000000'B, |
| 411 | o_Bit := '0'B, |
| 412 | m_Bit := '0'B, |
| 413 | routerLifetime := oct2int('FFFF'O), |
| 414 | reachableTime := oct2int('FFFFFFFF'O), |
| 415 | retransTimer := oct2int('FFFFFFFF'O), |
| 416 | options := { |
| 417 | ts_ICMP6_OptPrefix(prefix, prefix_len) |
| 418 | } |
| 419 | } |
| 420 | } |
| 421 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 422 | /* template for sending an ICMPv6 neighbor solicitation */ |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 423 | template PDU_ICMPv6 ts_ICMPv6_NS(OCT16 target_addr) := { |
| 424 | neighborSolicitation := { |
| 425 | typeField := 135, |
| 426 | code := 0, |
| 427 | checksum := '0000'O, |
| 428 | reserved := '00000000'O, |
| 429 | targetAddress := target_addr, |
| 430 | /* TODO: do we need 'Source link-layer address' ? */ |
| 431 | options := omit |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | /* derive ICMPv6 link-local address from lower 64bit of link_id */ |
| 436 | /* template for receiving/matching an ICMPv6 'Prefix Information' option */ |
| 437 | template OptionField tr_ICMP6_OptPrefix(template OCT16 prefix, template INT1 prefix_len) := { |
| 438 | prefixInformation := { |
| 439 | typeField := 3, |
| 440 | lengthIndicator := 4, |
| 441 | prefixLength := prefix_len, |
| 442 | reserved1 := ?, |
| 443 | a_Bit := ?, |
| 444 | l_Bit := ?, |
| 445 | validLifetime := ?, |
| 446 | preferredLifetime := ?, |
| 447 | reserved2 := ?, |
| 448 | prefix := prefix |
| 449 | } |
| 450 | } |
| 451 | |
| 452 | /* template for receiving/matching an ICMPv6 router advertisement */ |
| 453 | template PDU_ICMPv6 tr_ICMPv6_RA(template OCT16 prefix, template INT1 prefix_len) := { |
| 454 | routerAdvertisement := { |
| 455 | typeField := 134, |
| 456 | code := 0, |
| 457 | checksum := ?, |
| 458 | curHopLimit := ?, |
| 459 | reserved := ?, |
| 460 | o_Bit := '0'B, |
| 461 | m_Bit := '0'B, |
| 462 | routerLifetime := ?, |
| 463 | reachableTime := ?, |
| 464 | retransTimer := ?, |
| 465 | options := { |
| 466 | tr_ICMP6_OptPrefix(prefix, prefix_len) |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 471 | /* template for receiving/matching an ICMPv6 Destination Unreachable */ |
| 472 | template PDU_ICMPv6 tr_ICMPv6_DU := { |
| 473 | destinationUnreachable := { |
| 474 | typeField := 1, |
| 475 | code := ?, |
| 476 | checksum := ?, |
| 477 | unused := ?, |
| 478 | originalIpMsg := ? |
| 479 | } |
| 480 | } |
| 481 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 482 | /* template for receiving/matching an ICMPv6 echo request */ |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 483 | template PDU_ICMPv6 tr_ICMPv6_ERQ := { |
| 484 | echoRequest := { |
| 485 | typeField := 128, |
| 486 | code := 0, |
| 487 | checksum := ?, |
| 488 | identifier := ?, |
| 489 | sequenceNr := ?, |
| 490 | data := ? |
| 491 | } |
| 492 | } |
| 493 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 494 | /* template for receiving/matching an ICMPv6 echo reply */ |
| 495 | template PDU_ICMPv6 tr_ICMPv6_ERP(template octetstring data := *) := { |
| 496 | echoReply := { |
| 497 | typeField := 129, |
| 498 | code := 0, |
| 499 | checksum := ?, |
| 500 | identifier := ?, |
| 501 | sequenceNr := ?, |
| 502 | data := data |
| 503 | } |
| 504 | } |
| 505 | |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 506 | /* template to construct IPv6_packet from input arguments, ready for use in f_IPv6_enc() */ |
| 507 | template IPv6_packet ts_IP6(OCT16 srcaddr, OCT16 dstaddr, LIN1 nexthead, octetstring payload, LIN1 hlim := 255) := { |
| 508 | header := { |
| 509 | ver := 6, |
| 510 | trclass := 0, |
| 511 | flabel := 0, |
| 512 | plen := 0, |
| 513 | nexthead := nexthead, |
| 514 | hlim := hlim, |
| 515 | srcaddr := srcaddr, |
| 516 | dstaddr := dstaddr |
| 517 | }, |
| 518 | ext_headers := omit, |
| 519 | payload := payload |
| 520 | } |
| 521 | |
| 522 | function f_ipv6_link_local(in OCT16 link_id) return OCT16 { |
| 523 | return 'FE80000000000000'O & substr(link_id, 8, 8); |
| 524 | } |
| 525 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 526 | function f_ipv6_global(in OCT16 link_id) return OCT16 { |
| 527 | return substr(link_id, 0, 8) & '1234123412341234'O; |
| 528 | } |
| 529 | |
| 530 | /* Create a new different IPv6 addr from input. Starts mangling at byte prefix. */ |
| 531 | function f_ipv6_mangle(in OCT16 addr, in integer prefix := 0) return OCT16 { |
| 532 | var integer i; |
| 533 | var octetstring res := substr(addr, 0, prefix); |
| 534 | for (i := prefix; i < lengthof(addr); i := i + 1) { |
| 535 | var octetstring a := addr[i] xor4b '11'O; |
| 536 | res := res & a; |
| 537 | } |
| 538 | return res; |
| 539 | } |
| 540 | |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 541 | /* Compute solicited-node multicast address as per RFC4291 2.7.1 */ |
| 542 | function f_ipv6_sol_node_mcast(in OCT16 addr) return OCT16 { |
| 543 | return 'FF0200000000000000000001FF'O & substr(addr, 13, 3); |
| 544 | } |
| 545 | |
| 546 | /* generate and encode ICMPv6 router solicitation */ |
| 547 | function f_gen_icmpv6_router_solicitation(in OCT16 link_id) return octetstring { |
| 548 | const OCT16 c_ip6_all_router_mcast := 'FF020000000000000000000000000002'O; |
| 549 | var OCT16 saddr := f_ipv6_link_local(link_id); |
| 550 | |
| 551 | var octetstring tmp; |
| 552 | tmp := f_enc_PDU_ICMPv6(valueof(ts_ICMPv6_RS), saddr, c_ip6_all_router_mcast); |
| 553 | var IPv6_packet ip6 := valueof(ts_IP6(saddr, c_ip6_all_router_mcast, 58, tmp)); |
| 554 | |
| 555 | return f_IPv6_enc(ip6); |
| 556 | } |
| 557 | |
| 558 | /* create ICMPv6 router solicitation deriving link-id from PDP Context EUA */ |
| 559 | function f_icmpv6_rs_for_pdp(in PdpContext ctx) return octetstring { |
| 560 | var OCT16 interface_id := ctx.eua.endUserAddress.endUserAddressIPv6.ipv6_address; |
| 561 | return f_gen_icmpv6_router_solicitation(interface_id); |
| 562 | } |
| 563 | |
| 564 | /* generate and encode ICMPv6 neighbor solicitation */ |
| 565 | function f_gen_icmpv6_neigh_solicit(in OCT16 saddr, in OCT16 daddr, in OCT16 tgt_addr) return octetstring { |
| 566 | var octetstring tmp; |
| 567 | tmp := f_enc_PDU_ICMPv6(valueof(ts_ICMPv6_NS(tgt_addr)), saddr, daddr); |
| 568 | var IPv6_packet ip6 := valueof(ts_IP6(saddr, daddr, 58, tmp)); |
| 569 | return f_IPv6_enc(ip6); |
| 570 | } |
| 571 | |
| 572 | /* generate and encode ICMPv6 neighbor solicitation for PDP Context */ |
| 573 | function f_gen_icmpv6_neigh_solicit_for_pdp(in PdpContext ctx) return octetstring { |
| 574 | var OCT16 interface_id := ctx.eua.endUserAddress.endUserAddressIPv6.ipv6_address; |
| 575 | var OCT16 link_local := f_ipv6_link_local(interface_id); |
| 576 | var OCT16 daddr := f_ipv6_sol_node_mcast(link_local); |
| 577 | |
| 578 | return f_gen_icmpv6_neigh_solicit(link_local, daddr, link_local); |
| 579 | } |
| 580 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 581 | /* Send an ICMPv4 echo msg through GTP given pdp ctx, and ip src and dst addr */ |
| 582 | function f_gen_icmpv4_echo(OCT4 saddr, OCT4 daddr) return octetstring { |
| 583 | var octetstring tmp := f_enc_PDU_ICMP(valueof(ts_ICMPv4_ERQ)); |
| 584 | var IPv4_packet ip4 := valueof(ts_IP4(saddr, daddr, 1, 50, tmp)); |
| 585 | var octetstring data := f_IPv4_enc(ip4); |
| 586 | var OCT2 cksum := f_IPv4_checksum(data); |
| 587 | data[10] := cksum[0]; |
| 588 | data[11] := cksum[1]; |
| 589 | return data; |
| 590 | } |
| 591 | |
| 592 | /* Send an ICMPv6 echo msg through GTP given pdp ctx, and ip src and dst addr */ |
| 593 | function f_gen_icmpv6_echo(OCT16 saddr, OCT16 daddr) return octetstring { |
| 594 | var octetstring tmp := f_enc_PDU_ICMPv6(valueof(ts_ICMPv6_ERQ), saddr, daddr); |
| 595 | var IPv6_packet ip6 := valueof(ts_IP6(saddr, daddr, 58, tmp)); |
| 596 | var octetstring data := f_IPv6_enc(ip6); |
| 597 | return data; |
| 598 | } |
| 599 | |
| 600 | /* Wait for ICMPv4 from GTP */ |
| 601 | function f_wait_icmp4(PdpContext ctx, template PDU_ICMP expected) runs on GT_CT { |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 602 | var Gtp1uUnitdata ud; |
| 603 | T_default.start; |
| 604 | alt { |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 605 | [] GTPU.receive(tr_GTPU_GPDU(g_peer_u, ?)) -> value ud { |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 606 | if (f_verify_gtpu_txseq(ud.gtpu, use_gptu_txseq) == false) { |
| 607 | setverdict(fail); |
| 608 | stop; |
| 609 | } |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 610 | var octetstring gpdu := ud.gtpu.gtpu_IEs.g_PDU_IEs.data; |
| 611 | var IPv4_packet ip4 := f_IPv4_dec(gpdu); |
| 612 | if (ip4.header.ver != 4) { |
| 613 | repeat; |
| 614 | } |
| 615 | var PDU_ICMP icmp4 := f_dec_PDU_ICMP(ip4.payload); |
| 616 | if (not match(icmp4, expected)) { |
| 617 | repeat; |
| 618 | } |
| 619 | } |
| 620 | [] GTPU.receive { setverdict(fail); } |
| 621 | [] T_default.timeout { setverdict(fail); } |
| 622 | } |
| 623 | T_default.stop; |
| 624 | } |
| 625 | |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 626 | /* Wait for ICMPv4 echo request from GTP */ |
| 627 | function f_wait_icmp4_echo_request(PdpContext ctx) runs on GT_CT { |
| 628 | f_wait_icmp4(ctx, tr_ICMPv4_ERQ); |
| 629 | } |
| 630 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 631 | /* Wait for ICMPv4 echo reply (or unreachable) from GTP */ |
| 632 | function f_wait_icmp4_echo_reply(PdpContext ctx) runs on GT_CT { |
| 633 | f_wait_icmp4(ctx, (tr_ICMPv4_ERP, tr_ICMPv4_DU)); |
| 634 | } |
| 635 | |
| 636 | /* Wait for ICMPv6 from GTP */ |
| 637 | function f_wait_icmp6(PdpContext ctx, template PDU_ICMPv6 expected) runs on GT_CT { |
| 638 | var Gtp1uUnitdata ud; |
| 639 | T_default.start; |
| 640 | alt { |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 641 | [] GTPU.receive(tr_GTPU_GPDU(g_peer_u, ?)) -> value ud { |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 642 | if (f_verify_gtpu_txseq(ud.gtpu, use_gptu_txseq) == false) { |
| 643 | setverdict(fail); |
| 644 | stop; |
| 645 | } |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 646 | var octetstring gpdu := ud.gtpu.gtpu_IEs.g_PDU_IEs.data; |
| 647 | var IPv6_packet ip6 := f_IPv6_dec(gpdu); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 648 | if (ip6.header.ver != 6 or ip6.header.nexthead != 58) { |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 649 | repeat; |
| 650 | } |
| 651 | var PDU_ICMPv6 icmp6 := f_dec_PDU_ICMPv6(ip6.payload); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 652 | if (not match(icmp6, expected)) { |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 653 | repeat; |
| 654 | } |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 655 | /* We are waiting for RA, update ctx */ |
| 656 | if (match(icmp6, tr_ICMPv6_RA(?, 64))) { |
| 657 | ctx.ip6_prefix := icmp6.routerAdvertisement.options[0].prefixInformation.prefix; |
| 658 | log("RA with /64 prefix ", ctx.ip6_prefix); |
| 659 | } |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 660 | } |
| 661 | [] GTPU.receive(tr_GTPU_GPDU(?, ?)) { repeat; } |
| 662 | [] GTPU.receive { setverdict(fail); } |
| 663 | [] T_default.timeout { setverdict(fail); } |
| 664 | } |
| 665 | T_default.stop; |
| 666 | } |
| 667 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 668 | /* wait for GGSN to send us an ICMPv6 router advertisement */ |
| 669 | function f_wait_rtr_adv(PdpContext ctx) runs on GT_CT { |
| 670 | f_wait_icmp6(ctx, tr_ICMPv6_RA(?, 64)); |
| 671 | } |
| 672 | |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 673 | /* Wait for ICMPv6 echo request from GTP */ |
| 674 | function f_wait_icmp6_echo_request(PdpContext ctx) runs on GT_CT { |
| 675 | f_wait_icmp6(ctx, tr_ICMPv6_ERQ); |
| 676 | } |
| 677 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 678 | /* Wait for ICMPv6 echo reply (or unreachable) from GTP */ |
| 679 | function f_wait_icmp6_echo_reply(PdpContext ctx) runs on GT_CT { |
| 680 | f_wait_icmp6(ctx, (tr_ICMPv6_ERP,tr_ICMPv6_DU)); |
| 681 | } |
| 682 | |
| 683 | /* Assert we don't receive a ICMPv4/6 echo reply (or unreachable) from GTP */ |
| 684 | function f_wait_gtpu_fail(PdpContext ctx) runs on GT_CT { |
| 685 | T_default.start; |
| 686 | alt { |
| 687 | [] GTPU.receive { setverdict(fail); } |
| 688 | [] T_default.timeout { } |
| 689 | } |
| 690 | T_default.stop; |
| 691 | } |
| 692 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 693 | /* Test IPv6 context activation for dynamic IPv6 EUA without request of IPv6 DNS */ |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 694 | testcase TC_pdp6_act_deact() runs on GT_CT { |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 695 | f_init(); |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 696 | |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 697 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 698 | f_pdp_ctx_act(ctx); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 699 | f_pdp_ctx_del(ctx, '1'B); |
| 700 | } |
| 701 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 702 | /* Test IPv6 context activation for dynamic IPv6 EUA wirh request of IPv6 DNS in PCO */ |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 703 | testcase TC_pdp6_act_deact_pcodns() runs on GT_CT { |
| 704 | f_init(); |
| 705 | |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 706 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 707 | ctx.pco_req := valueof(ts_PCO_IPv6_DNS); |
| 708 | f_pdp_ctx_act(ctx); |
Pau Espin Pedrol | 363ba48 | 2018-01-29 18:42:00 +0100 | [diff] [blame] | 709 | |
| 710 | /* verify PCO contains both primary and secondary DNS */ |
| 711 | var OCT4 ggsn_ip6_dns1 := f_inet6_addr(m_ggsn_ip6_dns1); |
| 712 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '0003'O, 1), ggsn_ip6_dns1)) { |
| 713 | setverdict(fail, "Primary DNS IPv6 PCO option not found"); |
| 714 | } |
| 715 | |
| 716 | var OCT4 ggsn_ip6_dns2 := f_inet6_addr(m_ggsn_ip6_dns2); |
| 717 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '0003'O, 2), ggsn_ip6_dns2)) { |
| 718 | setverdict(fail, "Secondary DNS IPv6 PCO option not found"); |
| 719 | } |
| 720 | |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 721 | f_pdp_ctx_del(ctx, '1'B); |
| 722 | } |
| 723 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 724 | /* Test PDP context activation for dynamic IPv6 EUA with IPv6 DNS in PCO and router solicitation/advertisement */ |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 725 | testcase TC_pdp6_act_deact_icmp6() runs on GT_CT { |
| 726 | f_init(); |
| 727 | |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 728 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 729 | ctx.pco_req := valueof(ts_PCO_IPv6_DNS); |
| 730 | f_pdp_ctx_act(ctx); |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 731 | |
| 732 | //f_send_gtpu(ctx, c_router_solicit); |
| 733 | //f_send_gtpu(ctx, c_neigh_solicit); |
| 734 | |
| 735 | f_send_gtpu(ctx, f_icmpv6_rs_for_pdp(ctx)); |
| 736 | f_wait_rtr_adv(ctx); |
| 737 | f_send_gtpu(ctx, f_gen_icmpv6_neigh_solicit_for_pdp(ctx)); |
| 738 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 739 | f_pdp_ctx_del(ctx, '1'B); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 740 | } |
| 741 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 742 | /* Test PDP context activation for dynamic IPv6 EUA with IPv6 DNS in PCO and router solicitation/advertisement. |
| 743 | Test we can send ICMPv6 ping over GTPU to DNS server. */ |
| 744 | testcase TC_pdp6_act_deact_gtpu_access() runs on GT_CT { |
| 745 | f_init(); |
| 746 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
| 747 | ctx.pco_req := valueof(ts_PCO_IPv6_DNS); |
| 748 | f_pdp_ctx_act(ctx); |
| 749 | |
| 750 | f_send_gtpu(ctx, f_icmpv6_rs_for_pdp(ctx)); |
| 751 | f_wait_rtr_adv(ctx); |
| 752 | f_send_gtpu(ctx, f_gen_icmpv6_neigh_solicit_for_pdp(ctx)); |
| 753 | |
| 754 | var OCT16 dns1_addr := f_PCO_extract_proto(ctx.pco_neg, '0003'O); |
| 755 | |
| 756 | /* Check if we can use valid link-local src addr. */ |
| 757 | var OCT16 saddr_ll := f_ipv6_link_local(ctx.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 758 | f_send_gtpu(ctx, f_gen_icmpv6_echo(saddr_ll, dns1_addr)); |
| 759 | f_wait_icmp6_echo_reply(ctx); |
| 760 | |
| 761 | /* Check that attempting RA with another ll src addr won't work, packet dropped: */ |
| 762 | var OCT16 saddr_ll_wrong := f_ipv6_mangle(saddr_ll, 8); |
| 763 | f_send_gtpu(ctx, f_gen_icmpv6_router_solicitation(saddr_ll_wrong)); |
| 764 | f_wait_gtpu_fail(ctx); |
| 765 | |
| 766 | /* Check if we can use valid global src addr, should work */ |
| 767 | var OCT16 saddr_glob := f_ipv6_global(ctx.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 768 | f_send_gtpu(ctx, f_gen_icmpv6_echo(saddr_glob, dns1_addr)); |
| 769 | f_wait_icmp6_echo_reply(ctx); |
| 770 | |
| 771 | /* Assert that packets with wrong global src addr are dropped by GGSN */ |
| 772 | var OCT16 saddr_wrong := f_ipv6_mangle(saddr_glob); |
| 773 | f_send_gtpu(ctx, f_gen_icmpv6_echo(saddr_wrong, dns1_addr)); |
| 774 | f_wait_gtpu_fail(ctx); |
| 775 | |
| 776 | /* Send an IPv4 ICMP ECHO REQUEST to APN6, should fail (packet dropped) */ |
| 777 | var OCT4 saddr_v4 := f_inet_addr("192.168.10.2"); |
| 778 | var OCT4 daddr_v4 := f_inet_addr("8.8.8.8"); |
| 779 | f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr_v4, daddr_v4)); |
| 780 | f_wait_gtpu_fail(ctx); |
| 781 | |
| 782 | f_pdp_ctx_del(ctx, '1'B); |
| 783 | } |
| 784 | |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 785 | /* Validate if different clients (pdp ctx) can reach one another through GGSN. */ |
| 786 | testcase TC_pdp6_clients_interact() runs on GT_CT { |
| 787 | f_init(); |
| 788 | var PdpContext ctxA := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
| 789 | var PdpContext ctxB := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
| 790 | f_pdp_ctx_act(ctxA); |
| 791 | f_send_gtpu(ctxA, f_icmpv6_rs_for_pdp(ctxA)); |
| 792 | f_wait_rtr_adv(ctxA); |
| 793 | f_send_gtpu(ctxA, f_gen_icmpv6_neigh_solicit_for_pdp(ctxA)); |
| 794 | |
| 795 | f_pdp_ctx_act(ctxB); |
| 796 | f_send_gtpu(ctxB, f_icmpv6_rs_for_pdp(ctxB)); |
| 797 | f_wait_rtr_adv(ctxB); |
| 798 | f_send_gtpu(ctxB, f_gen_icmpv6_neigh_solicit_for_pdp(ctxB)); |
| 799 | |
| 800 | var OCT16 addrA_ll := f_ipv6_link_local(ctxA.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 801 | var OCT16 addrB_ll := f_ipv6_link_local(ctxB.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 802 | var OCT16 addrA_glob := f_ipv6_global(ctxA.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 803 | var OCT16 addrB_glob := f_ipv6_global(ctxB.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 804 | |
| 805 | /* Validate if clients can interact using ll addr. */ |
| 806 | f_send_gtpu(ctxA, f_gen_icmpv6_echo(addrA_ll, addrB_ll)); |
| 807 | f_wait_gtpu_fail(ctxB); |
| 808 | |
| 809 | /* Validate if clients can interact using global addr. */ |
| 810 | f_send_gtpu(ctxA, f_gen_icmpv6_echo(addrA_glob, addrB_glob)); |
| 811 | f_wait_gtpu_fail(ctxB); |
| 812 | |
| 813 | f_pdp_ctx_del(ctxA, '1'B); |
| 814 | } |
| 815 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 816 | /* Test PDP context activation for dynamic IPv4 EUA without DNS request */ |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 817 | testcase TC_pdp4_act_deact() runs on GT_CT { |
| 818 | f_init(); |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 819 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 820 | f_pdp_ctx_act(ctx); |
| 821 | f_pdp_ctx_del(ctx, '1'B); |
| 822 | } |
| 823 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 824 | /* Test PDP context activation for dynamic IPv4 EUA with IPv4 DNS in IPCP */ |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 825 | testcase TC_pdp4_act_deact_ipcp() runs on GT_CT { |
| 826 | f_init(); |
Pau Espin Pedrol | f69a438 | 2018-01-29 13:09:00 +0100 | [diff] [blame] | 827 | var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1); |
| 828 | var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2); |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 829 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
Harald Welte | dca8005 | 2017-08-13 20:01:38 +0200 | [diff] [blame] | 830 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_IPCP); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 831 | f_pdp_ctx_act(ctx); |
Harald Welte | 71a3602 | 2017-12-04 18:55:58 +0100 | [diff] [blame] | 832 | /* verify IPCP is at all contained */ |
| 833 | if (not match(ctx.pco_neg, tr_PCO_Contains('8021'O))) { |
| 834 | setverdict(fail, "IPCP not found in PCO"); |
| 835 | } |
| 836 | /* verify IPCP contains both primary and secondary DNS */ |
| 837 | var IpcpPacket ipcp := dec_IpcpPacket(f_PCO_extract_proto(ctx.pco_neg, '8021'O)); |
Pau Espin Pedrol | f69a438 | 2018-01-29 13:09:00 +0100 | [diff] [blame] | 838 | if (not match(ipcp, tr_IPCP_Ack_DNS(0, ggsn_ip4_dns1, ggsn_ip4_dns2))) { |
| 839 | if (not match(ipcp, tr_IPCP_Ack_DNS(0))) { |
| 840 | setverdict(fail, "Primary/Secondary DNS PCO IPCP option not found"); |
| 841 | } else { |
| 842 | setverdict(fail, "Primary/Secondary DNS PCO IPCP option found but not matching expected values"); |
| 843 | } |
Harald Welte | 71a3602 | 2017-12-04 18:55:58 +0100 | [diff] [blame] | 844 | } |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 845 | f_pdp_ctx_del(ctx, '1'B); |
| 846 | } |
| 847 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 848 | /* Test PDP context activation for dynamic IPv4 EUA with IPv4 DNS in PCO */ |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 849 | testcase TC_pdp4_act_deact_pcodns() runs on GT_CT { |
| 850 | f_init(); |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 851 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
Harald Welte | dca8005 | 2017-08-13 20:01:38 +0200 | [diff] [blame] | 852 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_CONT); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 853 | f_pdp_ctx_act(ctx); |
Pau Espin Pedrol | 363ba48 | 2018-01-29 18:42:00 +0100 | [diff] [blame] | 854 | |
| 855 | /* verify PCO contains both primary and secondary DNS */ |
| 856 | var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1); |
| 857 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '000d'O, 1), ggsn_ip4_dns1)) { |
| 858 | setverdict(fail, "Primary DNS IPv4 PCO option not found"); |
| 859 | } |
| 860 | |
| 861 | var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2); |
| 862 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '000d'O, 2), ggsn_ip4_dns2)) { |
| 863 | setverdict(fail, "Secondary DNS IPv4 PCO option not found"); |
| 864 | } |
| 865 | |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 866 | f_pdp_ctx_del(ctx, '1'B); |
| 867 | } |
| 868 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 869 | /* Test PDP context activation for dynamic IPv4 EUA. |
| 870 | Test we can send ICMPv6 ping over GTPU to DNS server. */ |
| 871 | testcase TC_pdp4_act_deact_gtpu_access() runs on GT_CT { |
| 872 | f_init(); |
| 873 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 874 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_CONT); |
| 875 | f_pdp_ctx_act(ctx); |
| 876 | |
| 877 | var OCT4 dns1_addr := f_PCO_extract_proto(ctx.pco_neg, '000d'O); |
| 878 | |
| 879 | /* Check if we can use valid global src addr, should work */ |
| 880 | var OCT4 saddr := ctx.eua.endUserAddress.endUserAddressIPv4.ipv4_address; |
| 881 | f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr, dns1_addr)); |
| 882 | f_wait_icmp4_echo_reply(ctx); |
| 883 | |
| 884 | /* Assert that packets with wrong global src addr are dropped by GGSN */ |
| 885 | var OCT4 saddr_wrong := substr(saddr, 0, 3) & (saddr[3] xor4b '11'O); |
| 886 | f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr_wrong, dns1_addr)); |
| 887 | f_wait_gtpu_fail(ctx); |
| 888 | |
| 889 | /* Send an IPv6 RA to APN4, should fail (packet dropped) */ |
| 890 | var OCT16 saddr_v6 := f_inet6_addr("fde4:8dba:82e1:2000:1:2:3:4"); |
| 891 | f_send_gtpu(ctx, f_gen_icmpv6_router_solicitation(saddr_v6)); |
| 892 | f_wait_gtpu_fail(ctx); |
| 893 | f_pdp_ctx_del(ctx, '1'B); |
| 894 | } |
| 895 | |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 896 | /* Helper function for tests below. */ |
| 897 | function f_pdp4_clients_interact() runs on GT_CT { |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 898 | f_init(); |
| 899 | var PdpContext ctxA := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 900 | var PdpContext ctxB := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 901 | f_pdp_ctx_act(ctxA); |
| 902 | f_pdp_ctx_act(ctxB); |
| 903 | var OCT4 addrA := ctxA.eua.endUserAddress.endUserAddressIPv4.ipv4_address; |
| 904 | var OCT4 addrB := ctxB.eua.endUserAddress.endUserAddressIPv4.ipv4_address; |
| 905 | f_send_gtpu(ctxA, f_gen_icmpv4_echo(addrA, addrB)); |
| 906 | f_wait_icmp4_echo_request(ctxB); |
| 907 | |
| 908 | f_pdp_ctx_del(ctxA, '1'B); |
| 909 | } |
| 910 | |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 911 | /* Validate if different clients (pdp ctx) can reach one another through GGSN. */ |
| 912 | testcase TC_pdp4_clients_interact_with_txseq() runs on GT_CT { |
| 913 | use_gptu_txseq := true; |
| 914 | f_pdp4_clients_interact(); |
| 915 | } |
| 916 | |
| 917 | /* Validate if different clients (pdp ctx) can reach one another through GGSN (without Tx sequence number). */ |
| 918 | testcase TC_pdp4_clients_interact_without_txseq() runs on GT_CT { |
| 919 | use_gptu_txseq := false; |
| 920 | f_pdp4_clients_interact(); |
| 921 | } |
| 922 | |
Harald Welte | dca8005 | 2017-08-13 20:01:38 +0200 | [diff] [blame] | 923 | testcase TC_echo_req_resp() runs on GT_CT { |
| 924 | f_init(); |
| 925 | f_send_gtpc(ts_GTPC_PING(g_peer_c, g_c_seq_nr)); |
| 926 | T_default.start; |
| 927 | alt { |
| 928 | [] GTPC.receive(tr_GTPC_PONG(g_peer_c)) { setverdict(pass); }; |
| 929 | [] GTPC.receive { repeat; }; |
| 930 | [] T_default.timeout { setverdict(fail); } |
| 931 | } |
| 932 | T_default.stop; |
| 933 | } |
| 934 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 935 | control { |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 936 | execute(TC_pdp4_act_deact()); |
| 937 | execute(TC_pdp4_act_deact_ipcp()); |
| 938 | execute(TC_pdp4_act_deact_pcodns()); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 939 | execute(TC_pdp4_act_deact_gtpu_access()); |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 940 | execute(TC_pdp4_clients_interact_with_txseq()); |
| 941 | execute(TC_pdp4_clients_interact_without_txseq()); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 942 | |
| 943 | execute(TC_pdp6_act_deact()); |
| 944 | execute(TC_pdp6_act_deact_pcodns()); |
| 945 | execute(TC_pdp6_act_deact_icmp6()); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 946 | execute(TC_pdp6_act_deact_gtpu_access()); |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 947 | execute(TC_pdp6_clients_interact()); |
Harald Welte | dca8005 | 2017-08-13 20:01:38 +0200 | [diff] [blame] | 948 | |
| 949 | execute(TC_echo_req_resp()); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 950 | } |
Harald Welte | 379d45a | 2017-08-03 09:55:15 +0200 | [diff] [blame] | 951 | } |