Harald Welte | 379d45a | 2017-08-03 09:55:15 +0200 | [diff] [blame] | 1 | module GGSN_Tests { |
| 2 | |
Harald Welte | 34b5a95 | 2019-05-27 11:54:11 +0200 | [diff] [blame] | 3 | /* GGSN test suite in TTCN-3 |
| 4 | * (C) 2017-2019 Harald Welte <laforge@gnumonks.org> |
| 5 | * (C) 2018-2019 sysmocom - s.f.m.c. GmbH |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Released under the terms of GNU General Public License, Version 2 or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 12 | */ |
| 13 | |
| 14 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 15 | import from General_Types all; |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 16 | import from Osmocom_Types all; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 17 | import from IPL4asp_PortType all; |
| 18 | import from IPL4asp_Types all; |
| 19 | import from GTP_CodecPort all; |
| 20 | import from GTP_CodecPort_CtrlFunct all; |
Harald Welte | c69cf4e | 2018-02-17 20:57:02 +0100 | [diff] [blame] | 21 | import from GTP_Templates all; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 22 | import from GTPC_Types all; |
| 23 | import from GTPU_Types all; |
Harald Welte | 71a3602 | 2017-12-04 18:55:58 +0100 | [diff] [blame] | 24 | import from IPCP_Types all; |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 25 | import from IP_Types all; |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 26 | import from ICMP_Types all; |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 27 | import from ICMPv6_Types all; |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 28 | import from Native_Functions all; |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 29 | import from Osmocom_VTY_Functions all; |
| 30 | import from TELNETasp_PortType all; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 31 | |
| 32 | const integer GTP0_PORT := 3386; |
| 33 | const integer GTP1C_PORT := 2123; |
| 34 | const integer GTP1U_PORT := 2152; |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 35 | |
| 36 | modulepar { |
Stefan Sperling | cb782b9 | 2018-04-03 16:03:15 +0200 | [diff] [blame] | 37 | /* Default IP addresses. May be overridden by GGSN_Tests configuration files. */ |
| 38 | |
| 39 | /* 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] | 40 | charstring m_bind_ip_gtpc := "127.23.42.1"; |
| 41 | charstring m_bind_ip_gtpu := "127.23.42.1"; |
| 42 | |
Stefan Sperling | cb782b9 | 2018-04-03 16:03:15 +0200 | [diff] [blame] | 43 | /* 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] | 44 | charstring m_ggsn_ip_gtpc := "127.0.0.6"; |
| 45 | charstring m_ggsn_ip_gtpu := "127.0.0.6"; |
Pau Espin Pedrol | f69a438 | 2018-01-29 13:09:00 +0100 | [diff] [blame] | 46 | |
Stefan Sperling | cb782b9 | 2018-04-03 16:03:15 +0200 | [diff] [blame] | 47 | /* |
| 48 | * Our tests expect to see these DNS servers in 'Create PDP context responses' sent by the GGSN. |
| 49 | * These addresses must therefore match 'ip[v6] dns' options configured in osmo-ggsn.conf. |
| 50 | * |
| 51 | * These addresses are not expected to serve actual DNS requests. However, tests may expect to be |
| 52 | * able to ping these addresses (currently, IPv4 addresses must respond with an ICMP 'echo reply', |
| 53 | * and IPv6 addresses may respond with either ICMPv6 'echo reply' or 'destination unreachable'). |
| 54 | */ |
Pau Espin Pedrol | f69a438 | 2018-01-29 13:09:00 +0100 | [diff] [blame] | 55 | charstring m_ggsn_ip4_dns1 := "192.168.100.1" |
| 56 | charstring m_ggsn_ip4_dns2 := "8.8.8.8" |
Pau Espin Pedrol | 363ba48 | 2018-01-29 18:42:00 +0100 | [diff] [blame] | 57 | charstring m_ggsn_ip6_dns1 := "2001:4860:4860::8888" |
| 58 | charstring m_ggsn_ip6_dns2 := "2001:4860:4860::8844" |
Stefan Sperling | cb782b9 | 2018-04-03 16:03:15 +0200 | [diff] [blame] | 59 | |
| 60 | /* |
| 61 | * Additional address ranges are defined in osmo-ggsn.conf from which addresses are assigned |
| 62 | * to MS "behind" the simulated SGSN. These addresses appear on tun devices used by osmo-ggsn. |
| 63 | * The tests expect to be able to send ping packets between any two simulated MS within the same |
| 64 | * address range. This requires IP forwarding to be enabled on the corresponding tun interfaces. |
| 65 | */ |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 66 | } |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 67 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 68 | type set PdpContext { |
| 69 | hexstring imsi, |
| 70 | octetstring msisdn optional, |
| 71 | octetstring apn, |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 72 | ProtConfigOptions pco_req optional, |
| 73 | ProtConfigOptions pco_neg optional, |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 74 | EndUserAddress eua, |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 75 | OCT16 ip6_prefix optional, |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 76 | BIT4 nsapi, |
| 77 | /* TEI (Data) local side */ |
| 78 | OCT4 teid, |
| 79 | /* TEI (Control) local side */ |
| 80 | OCT4 teic, |
| 81 | /* TEI (Data) remote side */ |
| 82 | OCT4 teid_remote, |
| 83 | /* TEI (Control) remote side */ |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 84 | OCT4 teic_remote |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 85 | } |
| 86 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 87 | type component GT_CT { |
| 88 | port GTPC_PT GTPC; |
| 89 | port GTPU_PT GTPU; |
| 90 | |
Harald Welte | 0be142b | 2017-08-13 13:28:10 +0200 | [diff] [blame] | 91 | var boolean g_initialized := false; |
| 92 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 93 | var OCT1 g_restart_ctr := '01'O; |
| 94 | /* FIXME: unify with g_bind_ip + parse from config file */ |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 95 | var OCT4 g_sgsn_ip_c; |
| 96 | var OCT4 g_sgsn_ip_u; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 97 | /* FIXME: parse remName from config file */ |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 98 | var GtpPeer g_peer_c := { connId := 0, remName := m_ggsn_ip_gtpc, remPort := GTP1C_PORT }; |
| 99 | 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] | 100 | timer T_default := 3.0; |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 101 | |
| 102 | /* next to-be-sent GTP-C sequence number */ |
| 103 | var uint16_t g_c_seq_nr; |
| 104 | /* next to-be-sent GTP-U sequence number */ |
| 105 | var uint16_t g_d_seq_nr; |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 106 | |
| 107 | port TELNETasp_PT GGSNVTY; |
Harald Welte | d2394e9 | 2018-04-26 10:21:49 +0200 | [diff] [blame] | 108 | var boolean use_gtpu_txseq := false; |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | private function f_init_vty() runs on GT_CT { |
| 112 | map(self:GGSNVTY, system:GGSNVTY); |
| 113 | f_vty_set_prompts(GGSNVTY); |
| 114 | f_vty_transceive(GGSNVTY, "enable"); |
| 115 | } |
| 116 | |
| 117 | private function f_vty_set_gpdu_txseq(boolean enable) runs on GT_CT { |
| 118 | f_vty_enter_config(GGSNVTY); |
| 119 | f_vty_transceive(GGSNVTY, "ggsn ggsn0"); |
Pau Espin Pedrol | 205a384 | 2018-07-06 13:24:14 +0200 | [diff] [blame] | 120 | |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 121 | f_vty_transceive(GGSNVTY, "apn internet"); |
| 122 | if (enable) { |
| 123 | f_vty_transceive(GGSNVTY, "g-pdu tx-sequence-numbers"); |
| 124 | } else { |
| 125 | f_vty_transceive(GGSNVTY, "no g-pdu tx-sequence-numbers"); |
| 126 | } |
Pau Espin Pedrol | 205a384 | 2018-07-06 13:24:14 +0200 | [diff] [blame] | 127 | f_vty_transceive(GGSNVTY, "exit"); |
| 128 | |
| 129 | f_vty_transceive(GGSNVTY, "apn inet6"); |
| 130 | if (enable) { |
| 131 | f_vty_transceive(GGSNVTY, "g-pdu tx-sequence-numbers"); |
| 132 | } else { |
| 133 | f_vty_transceive(GGSNVTY, "no g-pdu tx-sequence-numbers"); |
| 134 | } |
| 135 | f_vty_transceive(GGSNVTY, "exit"); |
| 136 | |
| 137 | f_vty_transceive(GGSNVTY, "apn inet46"); |
| 138 | if (enable) { |
| 139 | f_vty_transceive(GGSNVTY, "g-pdu tx-sequence-numbers"); |
| 140 | } else { |
| 141 | f_vty_transceive(GGSNVTY, "no g-pdu tx-sequence-numbers"); |
| 142 | } |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 143 | f_vty_transceive(GGSNVTY, "end"); |
| 144 | } |
| 145 | |
| 146 | private function f_verify_gtpu_txseq(in PDU_GTPU gtpu, in boolean expect_gptu_txseq) return boolean { |
| 147 | if (expect_gptu_txseq) { |
| 148 | if (gtpu.s_bit != '1'B) { |
| 149 | log("GTPU sequence number expected but not present") |
| 150 | return false; |
| 151 | } |
| 152 | } else { |
| 153 | if (gtpu.s_bit != '0'B) { |
| 154 | log("GTPU sequence number not expected but present") |
| 155 | return false; |
| 156 | } |
| 157 | } |
| 158 | return true; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 159 | } |
| 160 | |
| 161 | function f_init() runs on GT_CT { |
Harald Welte | 0be142b | 2017-08-13 13:28:10 +0200 | [diff] [blame] | 162 | if (g_initialized == true) { |
| 163 | return; |
| 164 | } |
| 165 | g_initialized := true; |
| 166 | |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 167 | g_sgsn_ip_c := f_inet_addr(m_bind_ip_gtpc); |
| 168 | g_sgsn_ip_u := f_inet_addr(m_bind_ip_gtpu); |
| 169 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 170 | var Result res; |
| 171 | map(self:GTPC, system:GTPC); |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 172 | 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] | 173 | log("GTP1C ConnectionID: ", res.connId); |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 174 | g_peer_c.connId := res.connId; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 175 | |
| 176 | map(self:GTPU, system:GTPU); |
Harald Welte | ddeecbb | 2017-08-18 22:53:30 +0200 | [diff] [blame] | 177 | 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] | 178 | g_peer_u.connId:= res.connId; |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 179 | |
| 180 | g_restart_ctr := f_rnd_octstring(1); |
Harald Welte | 11dbc7b | 2017-08-13 18:57:56 +0200 | [diff] [blame] | 181 | g_c_seq_nr := f_rnd_int(65535); |
| 182 | g_d_seq_nr := f_rnd_int(65535); |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 183 | |
| 184 | f_init_vty(); |
Harald Welte | 3e0b039 | 2018-04-26 09:46:21 +0200 | [diff] [blame] | 185 | f_vty_set_gpdu_txseq(use_gtpu_txseq); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 186 | } |
| 187 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 188 | /* Altstep implementing responses to any incoming echo requests */ |
| 189 | altstep pingpong() runs on GT_CT { |
| 190 | var Gtp1cUnitdata ud; |
Harald Welte | 3af8948 | 2017-08-04 16:20:23 +0200 | [diff] [blame] | 191 | var Gtp1uUnitdata udu; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 192 | [] GTPC.receive(tr_GTPC_PING(?)) -> value ud { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 193 | var uint16_t seq := oct2int(ud.gtpc.opt_part.sequenceNumber); |
| 194 | GTPC.send(ts_GTPC_PONG(ud.peer, seq, '00'O)); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 195 | repeat; |
| 196 | }; |
Harald Welte | 3af8948 | 2017-08-04 16:20:23 +0200 | [diff] [blame] | 197 | [] GTPU.receive(tr_GTPU_PING(?)) -> value udu { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 198 | var uint16_t seq := oct2int(udu.gtpu.opt_part.sequenceNumber); |
| 199 | GTPU.send(ts_GTPU_PONG(udu.peer, seq, '00'O)); |
Harald Welte | 3af8948 | 2017-08-04 16:20:23 +0200 | [diff] [blame] | 200 | }; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 201 | [] T_default.timeout { setverdict(fail); }; |
| 202 | } |
| 203 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 204 | /* 'internet' in DNS encoding */ |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 205 | const octetstring c_ApnInternet := '08696E7465726E6574'O; |
| 206 | const octetstring c_ApnInet6 := '05696E657436'O; |
| 207 | const octetstring c_ApnInet46 := '06696E65743436'O; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 208 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 209 | /* return random NSAPI */ |
| 210 | function f_rnd_nsapi() return BIT4 { |
| 211 | return int2bit(f_rnd_int(16), 4); |
| 212 | } |
| 213 | |
| 214 | /* return random TEI[DC] */ |
| 215 | function f_rnd_tei() return OCT4 { |
| 216 | return int2oct(f_rnd_int(4294967296), 4); |
| 217 | } |
| 218 | |
| 219 | /* define an (internal) representation of a PDP context */ |
| 220 | template PdpContext t_DefinePDP(hexstring imsi, octetstring msisdn, octetstring apn, |
| 221 | EndUserAddress eua) := { |
| 222 | imsi := imsi, |
| 223 | msisdn := msisdn, |
| 224 | nsapi := f_rnd_nsapi(), |
| 225 | apn := apn, |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 226 | pco_req := omit, |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 227 | eua := eua, |
| 228 | teid := f_rnd_tei(), |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 229 | teic := f_rnd_tei() |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | /* send GTP-C for a given context and increment sequence number */ |
Harald Welte | 41575e9 | 2017-08-13 13:49:57 +0200 | [diff] [blame] | 233 | function f_send_gtpc(in template Gtp1cUnitdata data) runs on GT_CT { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 234 | GTPC.send(data); |
Harald Welte | 5438b9d | 2017-08-13 13:27:48 +0200 | [diff] [blame] | 235 | g_c_seq_nr := g_c_seq_nr + 1; |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | /* send GTP-U for a given context and increment sequence number */ |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 239 | function f_send_gtpu(inout PdpContext ctx, in octetstring data) runs on GT_CT { |
Harald Welte | 3e0b039 | 2018-04-26 09:46:21 +0200 | [diff] [blame] | 240 | if (use_gtpu_txseq) { |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 241 | GTPU.send(ts_GTP1U_GPDU(g_peer_u, g_d_seq_nr, ctx.teid_remote, data)); |
| 242 | g_d_seq_nr := g_d_seq_nr + 1; |
| 243 | } else { |
| 244 | GTPU.send(ts_GTP1U_GPDU(g_peer_u, omit, ctx.teid_remote, data)); |
| 245 | } |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 246 | } |
| 247 | |
| 248 | /* send a PDP context activation */ |
| 249 | function f_pdp_ctx_act(inout PdpContext ctx) runs on GT_CT { |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 250 | var Gtp1cUnitdata ud; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 251 | var default d; |
| 252 | |
| 253 | log("sending CreatePDP"); |
Harald Welte | 41575e9 | 2017-08-13 13:49:57 +0200 | [diff] [blame] | 254 | 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] | 255 | ctx.teid, ctx.teic, ctx.nsapi, ctx.eua, ctx.apn, |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 256 | 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] | 257 | T_default.start; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 258 | d := activate(pingpong()); |
| 259 | alt { |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 260 | [] GTPC.receive(tr_GTPC_MsgType(g_peer_c, createPDPContextResponse, ctx.teic)) -> value ud { |
| 261 | var CreatePDPContextResponse cpr := ud.gtpc.gtpc_pdu.createPDPContextResponse; |
| 262 | if (cpr.cause.causevalue == '80'O) { |
Harald Welte | 99ef9a4 | 2017-08-14 21:42:03 +0200 | [diff] [blame] | 263 | /* Check if EUA type corresponds to requested type */ |
| 264 | if (match(ctx.eua, t_EuaIPv4(?)) and |
| 265 | not match(cpr.endUserAddress, tr_EuaIPv4(?))){ |
| 266 | setverdict(fail); |
| 267 | } |
| 268 | if (match(ctx.eua, t_EuaIPv6(?)) and |
| 269 | not match(cpr.endUserAddress, tr_EuaIPv6(?))) { |
| 270 | setverdict(fail); |
| 271 | } |
Oliver Smith | ee6a088 | 2019-03-08 11:05:46 +0100 | [diff] [blame] | 272 | if (match(ctx.eua, t_EuaIPv4v6(?, ?)) and |
| 273 | not match(cpr.endUserAddress, tr_EuaIPv4v6(?, ?))) { |
| 274 | setverdict(fail); |
| 275 | } |
Harald Welte | 99ef9a4 | 2017-08-14 21:42:03 +0200 | [diff] [blame] | 276 | /* Check if PCO response corresponds to request */ |
| 277 | if (ispresent(ctx.pco_req)) { |
| 278 | if (match(ctx.pco_req, ts_PCO_IPv4_DNS_CONT) and |
| 279 | not match(cpr.protConfigOptions, tr_PCO_IPv4_DNS_CONT_resp(?))) { |
| 280 | log("IPv4 DNS Container requested, but missing"); |
| 281 | setverdict(fail); |
| 282 | } |
| 283 | if (match(ctx.pco_req, ts_PCO_IPv6_DNS) and |
| 284 | not match(cpr.protConfigOptions, tr_PCO_IPv6_DNS_resp(?))) { |
| 285 | log("IPv6 DNS Container requested, but missing"); |
| 286 | setverdict(fail); |
| 287 | } |
| 288 | } |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 289 | ctx.teid_remote := cpr.teidDataI.teidDataI; |
| 290 | ctx.teic_remote := cpr.teidControlPlane.teidControlPlane; |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 291 | ctx.eua := cpr.endUserAddress; |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 292 | ctx.pco_neg := cpr.protConfigOptions; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 293 | setverdict(pass); |
| 294 | } else { |
| 295 | setverdict(fail); |
| 296 | } |
| 297 | } |
| 298 | } |
| 299 | deactivate(d); |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 300 | T_default.stop; |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 301 | } |
| 302 | |
Pau Espin Pedrol | 9a5f42f | 2019-05-27 20:04:35 +0200 | [diff] [blame] | 303 | function f_pdp_ctx_del(PdpContext ctx, template BIT1 teardown_ind, OCT1 expect_causevalue := '80'O) runs on GT_CT { |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 304 | var Gtp1cUnitdata ud; |
| 305 | var default d; |
Pau Espin Pedrol | 9a5f42f | 2019-05-27 20:04:35 +0200 | [diff] [blame] | 306 | var OCT4 expect_teid; |
| 307 | |
| 308 | /* 3GPP TS 29.060 sec 7.3.6 specifies TEID used in response |
| 309 | message with cause value "Non existent" shall be zero. */ |
| 310 | if (expect_causevalue == 'C0'O) { |
| 311 | expect_teid := '00000000'O; |
| 312 | } else { |
| 313 | expect_teid := ctx.teic; |
| 314 | } |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 315 | |
Harald Welte | 41575e9 | 2017-08-13 13:49:57 +0200 | [diff] [blame] | 316 | 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] | 317 | T_default.start; |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 318 | d := activate(pingpong()); |
| 319 | alt { |
Pau Espin Pedrol | 9a5f42f | 2019-05-27 20:04:35 +0200 | [diff] [blame] | 320 | [] GTPC.receive(tr_GTPC_MsgType(g_peer_c, deletePDPContextResponse, expect_teid)) -> value ud { |
| 321 | if (ud.gtpc.gtpc_pdu.deletePDPContextResponse.cause.causevalue == expect_causevalue) { |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 322 | setverdict(pass); |
| 323 | } else { |
| 324 | setverdict(fail); |
| 325 | } |
| 326 | } |
| 327 | } |
| 328 | deactivate(d); |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 329 | T_default.stop; |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 330 | } |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 331 | /* IPv6 router solicitation fe80::2 -> ff02::2 from 02:88:b5:1f:25:59 */ |
| 332 | const octetstring c_router_solicit := '6000000000103afffe800000000000000000000000000002ff02000000000000000000000000000285009f2b0000000001010288b51f2559'O; |
| 333 | /* IPv6 neighbor solicitation fe80::2 -> ff02::1:ff00:2 from 02:88:b5:1f:25:59 */ |
| 334 | const octetstring c_neigh_solicit:= '6000000000203afffe800000000000000000000000000002ff0200000000000000000001ff00000287009f9600000000fe80000000000000000000000000000201010288b51f2559'O; |
Harald Welte | f1e0d5a | 2017-08-05 08:51:22 +0200 | [diff] [blame] | 335 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 336 | /* template for sending an ICMPv4 echo request */ |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 337 | template PDU_ICMP ts_ICMPv4_ERQ := { |
| 338 | echo := { |
| 339 | type_field := 8, |
| 340 | code := 0, |
| 341 | checksum := '0000'O, |
| 342 | identifier := '0345'O, |
| 343 | sequence_number := '0001'O, |
| 344 | data := ''O |
| 345 | } |
| 346 | } |
| 347 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 348 | /* template for receiving/matching an ICMPv4 echo request */ |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 349 | template PDU_ICMP tr_ICMPv4_ERQ := { |
| 350 | echo := { |
| 351 | type_field := 8, |
| 352 | code := 0, |
| 353 | checksum := ?, |
| 354 | identifier := ?, |
| 355 | sequence_number := ?, |
| 356 | data := ? |
| 357 | } |
| 358 | } |
| 359 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 360 | /* template for receiving/matching an ICMPv4 echo reply */ |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 361 | template PDU_ICMP tr_ICMPv4_ERP(template octetstring data := *) := { |
| 362 | echo_reply := { |
| 363 | type_field := 0, |
| 364 | code := 0, |
| 365 | checksum := ?, |
| 366 | identifier := ?, |
| 367 | sequence_number := ?, |
| 368 | data := data |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | /* template for receiving/matching an ICMPv6 Destination Unreachable */ |
| 373 | template PDU_ICMP tr_ICMPv4_DU := { |
| 374 | destination_unreachable := { |
| 375 | type_field := 1, |
| 376 | code := ?, |
| 377 | checksum := ?, |
| 378 | unused := ?, |
| 379 | original_ip_msg := ? |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | /* template to construct IPv4_packet from input arguments, ready for use in f_IPv4_enc() */ |
| 384 | template IPv4_packet ts_IP4(OCT4 srcaddr, OCT4 dstaddr, LIN1 proto, LIN2_BO_LAST tlen, octetstring payload) := { |
| 385 | header := { |
| 386 | ver := 4, |
| 387 | hlen := 5, |
| 388 | tos := 0, |
| 389 | tlen := tlen, |
| 390 | id := 35902, |
| 391 | res := '0'B, |
| 392 | dfrag := '1'B, |
| 393 | mfrag := '0'B, |
| 394 | foffset := 0, |
| 395 | ttl := 64, |
| 396 | proto := proto, |
| 397 | cksum := 0, |
| 398 | srcaddr := srcaddr, |
| 399 | dstaddr := dstaddr |
| 400 | }, |
| 401 | ext_headers := omit, |
| 402 | payload := payload |
| 403 | } |
| 404 | |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 405 | /* template to generate a 'Prefix Information' ICMPv6 option */ |
| 406 | template OptionField ts_ICMP6_OptPrefix(OCT16 prefix, INT1 prefix_len) := { |
| 407 | prefixInformation := { |
| 408 | typeField := 3, |
| 409 | lengthIndicator := 8, |
| 410 | prefixLength := prefix_len, |
| 411 | reserved1 := '000000'B, |
| 412 | a_Bit := '0'B, |
| 413 | l_Bit := '0'B, |
| 414 | validLifetime := oct2int('FFFFFFFF'O), |
| 415 | preferredLifetime := oct2int('FFFFFFFF'O), |
| 416 | reserved2 := '00000000'O, |
| 417 | prefix := prefix |
| 418 | } |
| 419 | } |
| 420 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 421 | /* template for sending an ICMPv6 echo request */ |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 422 | template PDU_ICMPv6 ts_ICMPv6_ERQ := { |
| 423 | echoRequest := { |
| 424 | typeField := 128, |
| 425 | code := 0, |
| 426 | checksum := '0000'O, |
| 427 | identifier := 0, |
| 428 | sequenceNr := 0, |
| 429 | data := ''O |
| 430 | } |
| 431 | } |
| 432 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 433 | /* template for sending an ICMPv6 router solicitation */ |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 434 | template PDU_ICMPv6 ts_ICMPv6_RS := { |
| 435 | routerSolicitation := { |
| 436 | typeField := 133, |
| 437 | code := 0, |
| 438 | checksum := '0000'O, |
| 439 | reserved := '00000000'O, |
| 440 | /* TODO: do we need 'Source link-layer address' ? */ |
| 441 | options := omit |
| 442 | } |
| 443 | } |
| 444 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 445 | /* template for sending an ICMPv6 router advertisement */ |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 446 | template PDU_ICMPv6 ts_ICMPv6_RA(OCT16 prefix, INT1 prefix_len) := { |
| 447 | routerAdvertisement := { |
| 448 | typeField := 134, |
| 449 | code := 0, |
| 450 | checksum := '0000'O, |
| 451 | curHopLimit := ?, |
| 452 | reserved := '000000'B, |
| 453 | o_Bit := '0'B, |
| 454 | m_Bit := '0'B, |
| 455 | routerLifetime := oct2int('FFFF'O), |
| 456 | reachableTime := oct2int('FFFFFFFF'O), |
| 457 | retransTimer := oct2int('FFFFFFFF'O), |
| 458 | options := { |
| 459 | ts_ICMP6_OptPrefix(prefix, prefix_len) |
| 460 | } |
| 461 | } |
| 462 | } |
| 463 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 464 | /* template for sending an ICMPv6 neighbor solicitation */ |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 465 | template PDU_ICMPv6 ts_ICMPv6_NS(OCT16 target_addr) := { |
| 466 | neighborSolicitation := { |
| 467 | typeField := 135, |
| 468 | code := 0, |
| 469 | checksum := '0000'O, |
| 470 | reserved := '00000000'O, |
| 471 | targetAddress := target_addr, |
| 472 | /* TODO: do we need 'Source link-layer address' ? */ |
| 473 | options := omit |
| 474 | } |
| 475 | } |
| 476 | |
| 477 | /* derive ICMPv6 link-local address from lower 64bit of link_id */ |
| 478 | /* template for receiving/matching an ICMPv6 'Prefix Information' option */ |
| 479 | template OptionField tr_ICMP6_OptPrefix(template OCT16 prefix, template INT1 prefix_len) := { |
| 480 | prefixInformation := { |
| 481 | typeField := 3, |
| 482 | lengthIndicator := 4, |
| 483 | prefixLength := prefix_len, |
| 484 | reserved1 := ?, |
| 485 | a_Bit := ?, |
| 486 | l_Bit := ?, |
| 487 | validLifetime := ?, |
| 488 | preferredLifetime := ?, |
| 489 | reserved2 := ?, |
| 490 | prefix := prefix |
| 491 | } |
| 492 | } |
| 493 | |
| 494 | /* template for receiving/matching an ICMPv6 router advertisement */ |
| 495 | template PDU_ICMPv6 tr_ICMPv6_RA(template OCT16 prefix, template INT1 prefix_len) := { |
| 496 | routerAdvertisement := { |
| 497 | typeField := 134, |
| 498 | code := 0, |
| 499 | checksum := ?, |
| 500 | curHopLimit := ?, |
| 501 | reserved := ?, |
| 502 | o_Bit := '0'B, |
| 503 | m_Bit := '0'B, |
| 504 | routerLifetime := ?, |
| 505 | reachableTime := ?, |
| 506 | retransTimer := ?, |
| 507 | options := { |
| 508 | tr_ICMP6_OptPrefix(prefix, prefix_len) |
| 509 | } |
| 510 | } |
| 511 | } |
| 512 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 513 | /* template for receiving/matching an ICMPv6 Destination Unreachable */ |
| 514 | template PDU_ICMPv6 tr_ICMPv6_DU := { |
| 515 | destinationUnreachable := { |
| 516 | typeField := 1, |
| 517 | code := ?, |
| 518 | checksum := ?, |
| 519 | unused := ?, |
| 520 | originalIpMsg := ? |
| 521 | } |
| 522 | } |
| 523 | |
Stefan Sperling | 6cd217e | 2018-03-30 15:17:34 +0200 | [diff] [blame] | 524 | /* template for receiving/matching an ICMPv6 echo request */ |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 525 | template PDU_ICMPv6 tr_ICMPv6_ERQ := { |
| 526 | echoRequest := { |
| 527 | typeField := 128, |
| 528 | code := 0, |
| 529 | checksum := ?, |
| 530 | identifier := ?, |
| 531 | sequenceNr := ?, |
| 532 | data := ? |
| 533 | } |
| 534 | } |
| 535 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 536 | /* template for receiving/matching an ICMPv6 echo reply */ |
| 537 | template PDU_ICMPv6 tr_ICMPv6_ERP(template octetstring data := *) := { |
| 538 | echoReply := { |
| 539 | typeField := 129, |
| 540 | code := 0, |
| 541 | checksum := ?, |
| 542 | identifier := ?, |
| 543 | sequenceNr := ?, |
| 544 | data := data |
| 545 | } |
| 546 | } |
| 547 | |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 548 | /* template to construct IPv6_packet from input arguments, ready for use in f_IPv6_enc() */ |
| 549 | template IPv6_packet ts_IP6(OCT16 srcaddr, OCT16 dstaddr, LIN1 nexthead, octetstring payload, LIN1 hlim := 255) := { |
| 550 | header := { |
| 551 | ver := 6, |
| 552 | trclass := 0, |
| 553 | flabel := 0, |
| 554 | plen := 0, |
| 555 | nexthead := nexthead, |
| 556 | hlim := hlim, |
| 557 | srcaddr := srcaddr, |
| 558 | dstaddr := dstaddr |
| 559 | }, |
| 560 | ext_headers := omit, |
| 561 | payload := payload |
| 562 | } |
| 563 | |
| 564 | function f_ipv6_link_local(in OCT16 link_id) return OCT16 { |
| 565 | return 'FE80000000000000'O & substr(link_id, 8, 8); |
| 566 | } |
| 567 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 568 | function f_ipv6_global(in OCT16 link_id) return OCT16 { |
| 569 | return substr(link_id, 0, 8) & '1234123412341234'O; |
| 570 | } |
| 571 | |
| 572 | /* Create a new different IPv6 addr from input. Starts mangling at byte prefix. */ |
| 573 | function f_ipv6_mangle(in OCT16 addr, in integer prefix := 0) return OCT16 { |
| 574 | var integer i; |
| 575 | var octetstring res := substr(addr, 0, prefix); |
| 576 | for (i := prefix; i < lengthof(addr); i := i + 1) { |
| 577 | var octetstring a := addr[i] xor4b '11'O; |
| 578 | res := res & a; |
| 579 | } |
| 580 | return res; |
| 581 | } |
| 582 | |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 583 | /* Compute solicited-node multicast address as per RFC4291 2.7.1 */ |
| 584 | function f_ipv6_sol_node_mcast(in OCT16 addr) return OCT16 { |
| 585 | return 'FF0200000000000000000001FF'O & substr(addr, 13, 3); |
| 586 | } |
| 587 | |
| 588 | /* generate and encode ICMPv6 router solicitation */ |
| 589 | function f_gen_icmpv6_router_solicitation(in OCT16 link_id) return octetstring { |
| 590 | const OCT16 c_ip6_all_router_mcast := 'FF020000000000000000000000000002'O; |
| 591 | var OCT16 saddr := f_ipv6_link_local(link_id); |
| 592 | |
| 593 | var octetstring tmp; |
| 594 | tmp := f_enc_PDU_ICMPv6(valueof(ts_ICMPv6_RS), saddr, c_ip6_all_router_mcast); |
| 595 | var IPv6_packet ip6 := valueof(ts_IP6(saddr, c_ip6_all_router_mcast, 58, tmp)); |
| 596 | |
| 597 | return f_IPv6_enc(ip6); |
| 598 | } |
| 599 | |
| 600 | /* create ICMPv6 router solicitation deriving link-id from PDP Context EUA */ |
| 601 | function f_icmpv6_rs_for_pdp(in PdpContext ctx) return octetstring { |
| 602 | var OCT16 interface_id := ctx.eua.endUserAddress.endUserAddressIPv6.ipv6_address; |
| 603 | return f_gen_icmpv6_router_solicitation(interface_id); |
| 604 | } |
| 605 | |
| 606 | /* generate and encode ICMPv6 neighbor solicitation */ |
| 607 | function f_gen_icmpv6_neigh_solicit(in OCT16 saddr, in OCT16 daddr, in OCT16 tgt_addr) return octetstring { |
| 608 | var octetstring tmp; |
| 609 | tmp := f_enc_PDU_ICMPv6(valueof(ts_ICMPv6_NS(tgt_addr)), saddr, daddr); |
| 610 | var IPv6_packet ip6 := valueof(ts_IP6(saddr, daddr, 58, tmp)); |
| 611 | return f_IPv6_enc(ip6); |
| 612 | } |
| 613 | |
| 614 | /* generate and encode ICMPv6 neighbor solicitation for PDP Context */ |
| 615 | function f_gen_icmpv6_neigh_solicit_for_pdp(in PdpContext ctx) return octetstring { |
| 616 | var OCT16 interface_id := ctx.eua.endUserAddress.endUserAddressIPv6.ipv6_address; |
| 617 | var OCT16 link_local := f_ipv6_link_local(interface_id); |
| 618 | var OCT16 daddr := f_ipv6_sol_node_mcast(link_local); |
| 619 | |
| 620 | return f_gen_icmpv6_neigh_solicit(link_local, daddr, link_local); |
| 621 | } |
| 622 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 623 | /* Send an ICMPv4 echo msg through GTP given pdp ctx, and ip src and dst addr */ |
| 624 | function f_gen_icmpv4_echo(OCT4 saddr, OCT4 daddr) return octetstring { |
| 625 | var octetstring tmp := f_enc_PDU_ICMP(valueof(ts_ICMPv4_ERQ)); |
| 626 | var IPv4_packet ip4 := valueof(ts_IP4(saddr, daddr, 1, 50, tmp)); |
| 627 | var octetstring data := f_IPv4_enc(ip4); |
| 628 | var OCT2 cksum := f_IPv4_checksum(data); |
| 629 | data[10] := cksum[0]; |
| 630 | data[11] := cksum[1]; |
| 631 | return data; |
| 632 | } |
| 633 | |
| 634 | /* Send an ICMPv6 echo msg through GTP given pdp ctx, and ip src and dst addr */ |
| 635 | function f_gen_icmpv6_echo(OCT16 saddr, OCT16 daddr) return octetstring { |
| 636 | var octetstring tmp := f_enc_PDU_ICMPv6(valueof(ts_ICMPv6_ERQ), saddr, daddr); |
| 637 | var IPv6_packet ip6 := valueof(ts_IP6(saddr, daddr, 58, tmp)); |
| 638 | var octetstring data := f_IPv6_enc(ip6); |
| 639 | return data; |
| 640 | } |
| 641 | |
| 642 | /* Wait for ICMPv4 from GTP */ |
| 643 | 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] | 644 | var Gtp1uUnitdata ud; |
| 645 | T_default.start; |
| 646 | alt { |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 647 | [] GTPU.receive(tr_GTPU_GPDU(g_peer_u, ?)) -> value ud { |
Harald Welte | 3e0b039 | 2018-04-26 09:46:21 +0200 | [diff] [blame] | 648 | if (f_verify_gtpu_txseq(ud.gtpu, use_gtpu_txseq) == false) { |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 649 | setverdict(fail); |
| 650 | stop; |
| 651 | } |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 652 | var octetstring gpdu := ud.gtpu.gtpu_IEs.g_PDU_IEs.data; |
| 653 | var IPv4_packet ip4 := f_IPv4_dec(gpdu); |
| 654 | if (ip4.header.ver != 4) { |
| 655 | repeat; |
| 656 | } |
| 657 | var PDU_ICMP icmp4 := f_dec_PDU_ICMP(ip4.payload); |
| 658 | if (not match(icmp4, expected)) { |
| 659 | repeat; |
| 660 | } |
| 661 | } |
| 662 | [] GTPU.receive { setverdict(fail); } |
| 663 | [] T_default.timeout { setverdict(fail); } |
| 664 | } |
| 665 | T_default.stop; |
| 666 | } |
| 667 | |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 668 | /* Wait for ICMPv4 echo request from GTP */ |
| 669 | function f_wait_icmp4_echo_request(PdpContext ctx) runs on GT_CT { |
| 670 | f_wait_icmp4(ctx, tr_ICMPv4_ERQ); |
| 671 | } |
| 672 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 673 | /* Wait for ICMPv4 echo reply (or unreachable) from GTP */ |
| 674 | function f_wait_icmp4_echo_reply(PdpContext ctx) runs on GT_CT { |
| 675 | f_wait_icmp4(ctx, (tr_ICMPv4_ERP, tr_ICMPv4_DU)); |
| 676 | } |
| 677 | |
| 678 | /* Wait for ICMPv6 from GTP */ |
| 679 | function f_wait_icmp6(PdpContext ctx, template PDU_ICMPv6 expected) runs on GT_CT { |
| 680 | var Gtp1uUnitdata ud; |
| 681 | T_default.start; |
| 682 | alt { |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 683 | [] GTPU.receive(tr_GTPU_GPDU(g_peer_u, ?)) -> value ud { |
Harald Welte | 3e0b039 | 2018-04-26 09:46:21 +0200 | [diff] [blame] | 684 | if (f_verify_gtpu_txseq(ud.gtpu, use_gtpu_txseq) == false) { |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 685 | setverdict(fail); |
| 686 | stop; |
| 687 | } |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 688 | var octetstring gpdu := ud.gtpu.gtpu_IEs.g_PDU_IEs.data; |
| 689 | var IPv6_packet ip6 := f_IPv6_dec(gpdu); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 690 | if (ip6.header.ver != 6 or ip6.header.nexthead != 58) { |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 691 | repeat; |
| 692 | } |
| 693 | var PDU_ICMPv6 icmp6 := f_dec_PDU_ICMPv6(ip6.payload); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 694 | if (not match(icmp6, expected)) { |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 695 | repeat; |
| 696 | } |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 697 | /* We are waiting for RA, update ctx */ |
| 698 | if (match(icmp6, tr_ICMPv6_RA(?, 64))) { |
| 699 | ctx.ip6_prefix := icmp6.routerAdvertisement.options[0].prefixInformation.prefix; |
| 700 | log("RA with /64 prefix ", ctx.ip6_prefix); |
| 701 | } |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 702 | } |
| 703 | [] GTPU.receive(tr_GTPU_GPDU(?, ?)) { repeat; } |
| 704 | [] GTPU.receive { setverdict(fail); } |
| 705 | [] T_default.timeout { setverdict(fail); } |
| 706 | } |
| 707 | T_default.stop; |
| 708 | } |
| 709 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 710 | /* wait for GGSN to send us an ICMPv6 router advertisement */ |
| 711 | function f_wait_rtr_adv(PdpContext ctx) runs on GT_CT { |
| 712 | f_wait_icmp6(ctx, tr_ICMPv6_RA(?, 64)); |
| 713 | } |
| 714 | |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 715 | /* Wait for ICMPv6 echo request from GTP */ |
| 716 | function f_wait_icmp6_echo_request(PdpContext ctx) runs on GT_CT { |
| 717 | f_wait_icmp6(ctx, tr_ICMPv6_ERQ); |
| 718 | } |
| 719 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 720 | /* Wait for ICMPv6 echo reply (or unreachable) from GTP */ |
| 721 | function f_wait_icmp6_echo_reply(PdpContext ctx) runs on GT_CT { |
| 722 | f_wait_icmp6(ctx, (tr_ICMPv6_ERP,tr_ICMPv6_DU)); |
| 723 | } |
| 724 | |
Oliver Smith | ee6a088 | 2019-03-08 11:05:46 +0100 | [diff] [blame] | 725 | /* create ICMPv6 router solicitation deriving link-id from PDP Context EUA */ |
| 726 | function f_icmpv6_rs_for_pdp46(in PdpContext ctx) return octetstring { |
| 727 | var OCT16 interface_id := ctx.eua.endUserAddress.endUserAddressIPv4andIPv6.ipv6_address; |
| 728 | return f_gen_icmpv6_router_solicitation(interface_id); |
| 729 | } |
| 730 | |
| 731 | /* generate and encode ICMPv6 neighbor solicitation for PDP Context */ |
| 732 | function f_gen_icmpv6_neigh_solicit_for_pdp46(in PdpContext ctx) return octetstring { |
| 733 | var OCT16 interface_id := ctx.eua.endUserAddress.endUserAddressIPv4andIPv6.ipv6_address; |
| 734 | var OCT16 link_local := f_ipv6_link_local(interface_id); |
| 735 | var OCT16 daddr := f_ipv6_sol_node_mcast(link_local); |
| 736 | |
| 737 | return f_gen_icmpv6_neigh_solicit(link_local, daddr, link_local); |
| 738 | } |
| 739 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 740 | /* Assert we don't receive a ICMPv4/6 echo reply (or unreachable) from GTP */ |
| 741 | function f_wait_gtpu_fail(PdpContext ctx) runs on GT_CT { |
| 742 | T_default.start; |
| 743 | alt { |
| 744 | [] GTPU.receive { setverdict(fail); } |
| 745 | [] T_default.timeout { } |
| 746 | } |
| 747 | T_default.stop; |
| 748 | } |
| 749 | |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 750 | /* list of protocols where we don't accept duplicates */ |
| 751 | const OCT2List protocol_ids_nodupes := { 'C021'O, 'C023'O, 'C223'O, '8021'O }; |
| 752 | private function f_PCO_permits_duplicates(OCT2 id) return boolean { |
| 753 | var integer i; |
| 754 | for (i := 0; i < lengthof(protocol_ids_nodupes); i := i+1) { |
| 755 | if (id == protocol_ids_nodupes[i]) { |
| 756 | return false; |
| 757 | } |
| 758 | } |
| 759 | return true; |
| 760 | } |
| 761 | |
| 762 | /* ensure that every given protocol Identifier exist only exactly once in the PCO */ |
| 763 | function f_PCO_ensure_no_duplicates(ProtConfigOptions pco) { |
| 764 | var OCT2List protocol_ids := {}; |
| 765 | var integer i, j; |
| 766 | for (i := 0; i < lengthof(pco.protocols); i := i+1) { |
| 767 | var OCT2 id := pco.protocols[i].protocolID; |
| 768 | for (j := 0; j < lengthof(protocol_ids); j := j+1) { |
| 769 | if (not f_PCO_permits_duplicates(id) and id == protocol_ids[j]) { |
| 770 | setverdict(fail, "Duplicate ProtocolID ", id, " already present in ", pco.protocols); |
| 771 | } |
| 772 | } |
| 773 | protocol_ids := protocol_ids & { id }; |
| 774 | } |
| 775 | } |
| 776 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 777 | /* 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] | 778 | testcase TC_pdp6_act_deact() runs on GT_CT { |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 779 | f_init(); |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 780 | |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 781 | 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] | 782 | f_pdp_ctx_act(ctx); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 783 | f_pdp_ctx_del(ctx, '1'B); |
| 784 | } |
| 785 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 786 | /* 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] | 787 | testcase TC_pdp6_act_deact_pcodns() runs on GT_CT { |
| 788 | f_init(); |
| 789 | |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 790 | 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] | 791 | ctx.pco_req := valueof(ts_PCO_IPv6_DNS); |
| 792 | f_pdp_ctx_act(ctx); |
Pau Espin Pedrol | 363ba48 | 2018-01-29 18:42:00 +0100 | [diff] [blame] | 793 | |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 794 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Pau Espin Pedrol | 363ba48 | 2018-01-29 18:42:00 +0100 | [diff] [blame] | 795 | /* verify PCO contains both primary and secondary DNS */ |
| 796 | var OCT4 ggsn_ip6_dns1 := f_inet6_addr(m_ggsn_ip6_dns1); |
| 797 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '0003'O, 1), ggsn_ip6_dns1)) { |
| 798 | setverdict(fail, "Primary DNS IPv6 PCO option not found"); |
| 799 | } |
| 800 | |
| 801 | var OCT4 ggsn_ip6_dns2 := f_inet6_addr(m_ggsn_ip6_dns2); |
| 802 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '0003'O, 2), ggsn_ip6_dns2)) { |
| 803 | setverdict(fail, "Secondary DNS IPv6 PCO option not found"); |
| 804 | } |
| 805 | |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 806 | f_pdp_ctx_del(ctx, '1'B); |
| 807 | } |
| 808 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 809 | /* 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] | 810 | testcase TC_pdp6_act_deact_icmp6() runs on GT_CT { |
| 811 | f_init(); |
| 812 | |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 813 | 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] | 814 | ctx.pco_req := valueof(ts_PCO_IPv6_DNS); |
| 815 | f_pdp_ctx_act(ctx); |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 816 | |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 817 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Harald Welte | 231b941 | 2017-08-09 17:16:31 +0200 | [diff] [blame] | 818 | //f_send_gtpu(ctx, c_router_solicit); |
| 819 | //f_send_gtpu(ctx, c_neigh_solicit); |
| 820 | |
| 821 | f_send_gtpu(ctx, f_icmpv6_rs_for_pdp(ctx)); |
| 822 | f_wait_rtr_adv(ctx); |
| 823 | f_send_gtpu(ctx, f_gen_icmpv6_neigh_solicit_for_pdp(ctx)); |
| 824 | |
Harald Welte | 811651e | 2017-08-05 15:25:06 +0200 | [diff] [blame] | 825 | f_pdp_ctx_del(ctx, '1'B); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 826 | } |
| 827 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 828 | /* Test PDP context activation for dynamic IPv6 EUA with IPv6 DNS in PCO and router solicitation/advertisement. |
| 829 | Test we can send ICMPv6 ping over GTPU to DNS server. */ |
| 830 | testcase TC_pdp6_act_deact_gtpu_access() runs on GT_CT { |
| 831 | f_init(); |
| 832 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
| 833 | ctx.pco_req := valueof(ts_PCO_IPv6_DNS); |
| 834 | f_pdp_ctx_act(ctx); |
| 835 | |
| 836 | f_send_gtpu(ctx, f_icmpv6_rs_for_pdp(ctx)); |
| 837 | f_wait_rtr_adv(ctx); |
| 838 | f_send_gtpu(ctx, f_gen_icmpv6_neigh_solicit_for_pdp(ctx)); |
| 839 | |
| 840 | var OCT16 dns1_addr := f_PCO_extract_proto(ctx.pco_neg, '0003'O); |
| 841 | |
| 842 | /* Check if we can use valid link-local src addr. */ |
| 843 | var OCT16 saddr_ll := f_ipv6_link_local(ctx.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 844 | f_send_gtpu(ctx, f_gen_icmpv6_echo(saddr_ll, dns1_addr)); |
| 845 | f_wait_icmp6_echo_reply(ctx); |
| 846 | |
| 847 | /* Check that attempting RA with another ll src addr won't work, packet dropped: */ |
| 848 | var OCT16 saddr_ll_wrong := f_ipv6_mangle(saddr_ll, 8); |
| 849 | f_send_gtpu(ctx, f_gen_icmpv6_router_solicitation(saddr_ll_wrong)); |
| 850 | f_wait_gtpu_fail(ctx); |
| 851 | |
| 852 | /* Check if we can use valid global src addr, should work */ |
| 853 | var OCT16 saddr_glob := f_ipv6_global(ctx.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 854 | f_send_gtpu(ctx, f_gen_icmpv6_echo(saddr_glob, dns1_addr)); |
| 855 | f_wait_icmp6_echo_reply(ctx); |
| 856 | |
| 857 | /* Assert that packets with wrong global src addr are dropped by GGSN */ |
| 858 | var OCT16 saddr_wrong := f_ipv6_mangle(saddr_glob); |
| 859 | f_send_gtpu(ctx, f_gen_icmpv6_echo(saddr_wrong, dns1_addr)); |
| 860 | f_wait_gtpu_fail(ctx); |
| 861 | |
| 862 | /* Send an IPv4 ICMP ECHO REQUEST to APN6, should fail (packet dropped) */ |
| 863 | var OCT4 saddr_v4 := f_inet_addr("192.168.10.2"); |
| 864 | var OCT4 daddr_v4 := f_inet_addr("8.8.8.8"); |
| 865 | f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr_v4, daddr_v4)); |
| 866 | f_wait_gtpu_fail(ctx); |
| 867 | |
| 868 | f_pdp_ctx_del(ctx, '1'B); |
| 869 | } |
| 870 | |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 871 | /* Validate if different clients (pdp ctx) can reach one another through GGSN. */ |
| 872 | testcase TC_pdp6_clients_interact() runs on GT_CT { |
| 873 | f_init(); |
| 874 | var PdpContext ctxA := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
| 875 | var PdpContext ctxB := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet6, valueof(t_EuaIPv6Dyn))); |
| 876 | f_pdp_ctx_act(ctxA); |
| 877 | f_send_gtpu(ctxA, f_icmpv6_rs_for_pdp(ctxA)); |
| 878 | f_wait_rtr_adv(ctxA); |
| 879 | f_send_gtpu(ctxA, f_gen_icmpv6_neigh_solicit_for_pdp(ctxA)); |
| 880 | |
| 881 | f_pdp_ctx_act(ctxB); |
| 882 | f_send_gtpu(ctxB, f_icmpv6_rs_for_pdp(ctxB)); |
| 883 | f_wait_rtr_adv(ctxB); |
| 884 | f_send_gtpu(ctxB, f_gen_icmpv6_neigh_solicit_for_pdp(ctxB)); |
| 885 | |
| 886 | var OCT16 addrA_ll := f_ipv6_link_local(ctxA.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 887 | var OCT16 addrB_ll := f_ipv6_link_local(ctxB.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 888 | var OCT16 addrA_glob := f_ipv6_global(ctxA.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 889 | var OCT16 addrB_glob := f_ipv6_global(ctxB.eua.endUserAddress.endUserAddressIPv6.ipv6_address); |
| 890 | |
| 891 | /* Validate if clients can interact using ll addr. */ |
| 892 | f_send_gtpu(ctxA, f_gen_icmpv6_echo(addrA_ll, addrB_ll)); |
| 893 | f_wait_gtpu_fail(ctxB); |
| 894 | |
| 895 | /* Validate if clients can interact using global addr. */ |
| 896 | f_send_gtpu(ctxA, f_gen_icmpv6_echo(addrA_glob, addrB_glob)); |
| 897 | f_wait_gtpu_fail(ctxB); |
| 898 | |
| 899 | f_pdp_ctx_del(ctxA, '1'B); |
| 900 | } |
| 901 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 902 | /* Test PDP context activation for dynamic IPv4 EUA without DNS request */ |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 903 | testcase TC_pdp4_act_deact() runs on GT_CT { |
| 904 | f_init(); |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 905 | 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] | 906 | f_pdp_ctx_act(ctx); |
| 907 | f_pdp_ctx_del(ctx, '1'B); |
| 908 | } |
| 909 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 910 | /* 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] | 911 | testcase TC_pdp4_act_deact_ipcp() runs on GT_CT { |
| 912 | f_init(); |
Pau Espin Pedrol | f69a438 | 2018-01-29 13:09:00 +0100 | [diff] [blame] | 913 | var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1); |
| 914 | var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2); |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 915 | 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] | 916 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_IPCP); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 917 | f_pdp_ctx_act(ctx); |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 918 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Harald Welte | 71a3602 | 2017-12-04 18:55:58 +0100 | [diff] [blame] | 919 | /* verify IPCP is at all contained */ |
| 920 | if (not match(ctx.pco_neg, tr_PCO_Contains('8021'O))) { |
| 921 | setverdict(fail, "IPCP not found in PCO"); |
| 922 | } |
| 923 | /* verify IPCP contains both primary and secondary DNS */ |
| 924 | 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] | 925 | if (not match(ipcp, tr_IPCP_Ack_DNS(0, ggsn_ip4_dns1, ggsn_ip4_dns2))) { |
| 926 | if (not match(ipcp, tr_IPCP_Ack_DNS(0))) { |
| 927 | setverdict(fail, "Primary/Secondary DNS PCO IPCP option not found"); |
| 928 | } else { |
| 929 | setverdict(fail, "Primary/Secondary DNS PCO IPCP option found but not matching expected values"); |
| 930 | } |
Harald Welte | 71a3602 | 2017-12-04 18:55:58 +0100 | [diff] [blame] | 931 | } |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 932 | f_pdp_ctx_del(ctx, '1'B); |
| 933 | } |
| 934 | |
Harald Welte | 0ef285b | 2017-08-13 20:06:01 +0200 | [diff] [blame] | 935 | /* 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] | 936 | testcase TC_pdp4_act_deact_pcodns() runs on GT_CT { |
| 937 | f_init(); |
Harald Welte | ed09743 | 2017-08-13 13:28:49 +0200 | [diff] [blame] | 938 | 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] | 939 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_CONT); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 940 | f_pdp_ctx_act(ctx); |
Pau Espin Pedrol | 363ba48 | 2018-01-29 18:42:00 +0100 | [diff] [blame] | 941 | |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 942 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Pau Espin Pedrol | 363ba48 | 2018-01-29 18:42:00 +0100 | [diff] [blame] | 943 | /* verify PCO contains both primary and secondary DNS */ |
| 944 | var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1); |
| 945 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '000d'O, 1), ggsn_ip4_dns1)) { |
| 946 | setverdict(fail, "Primary DNS IPv4 PCO option not found"); |
| 947 | } |
| 948 | |
| 949 | var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2); |
| 950 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '000d'O, 2), ggsn_ip4_dns2)) { |
| 951 | setverdict(fail, "Secondary DNS IPv4 PCO option not found"); |
| 952 | } |
| 953 | |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 954 | f_pdp_ctx_del(ctx, '1'B); |
| 955 | } |
| 956 | |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 957 | /* Test PDP context activation for dynamic IPv4 EUA. |
| 958 | Test we can send ICMPv6 ping over GTPU to DNS server. */ |
| 959 | testcase TC_pdp4_act_deact_gtpu_access() runs on GT_CT { |
| 960 | f_init(); |
| 961 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 962 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_CONT); |
| 963 | f_pdp_ctx_act(ctx); |
| 964 | |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 965 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 966 | var OCT4 dns1_addr := f_PCO_extract_proto(ctx.pco_neg, '000d'O); |
| 967 | |
| 968 | /* Check if we can use valid global src addr, should work */ |
| 969 | var OCT4 saddr := ctx.eua.endUserAddress.endUserAddressIPv4.ipv4_address; |
| 970 | f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr, dns1_addr)); |
| 971 | f_wait_icmp4_echo_reply(ctx); |
| 972 | |
| 973 | /* Assert that packets with wrong global src addr are dropped by GGSN */ |
| 974 | var OCT4 saddr_wrong := substr(saddr, 0, 3) & (saddr[3] xor4b '11'O); |
| 975 | f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr_wrong, dns1_addr)); |
| 976 | f_wait_gtpu_fail(ctx); |
| 977 | |
| 978 | /* Send an IPv6 RA to APN4, should fail (packet dropped) */ |
| 979 | var OCT16 saddr_v6 := f_inet6_addr("fde4:8dba:82e1:2000:1:2:3:4"); |
| 980 | f_send_gtpu(ctx, f_gen_icmpv6_router_solicitation(saddr_v6)); |
| 981 | f_wait_gtpu_fail(ctx); |
| 982 | f_pdp_ctx_del(ctx, '1'B); |
| 983 | } |
| 984 | |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 985 | /* Helper function for tests below. */ |
| 986 | function f_pdp4_clients_interact() runs on GT_CT { |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 987 | f_init(); |
| 988 | var PdpContext ctxA := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 989 | var PdpContext ctxB := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 990 | f_pdp_ctx_act(ctxA); |
| 991 | f_pdp_ctx_act(ctxB); |
| 992 | var OCT4 addrA := ctxA.eua.endUserAddress.endUserAddressIPv4.ipv4_address; |
| 993 | var OCT4 addrB := ctxB.eua.endUserAddress.endUserAddressIPv4.ipv4_address; |
| 994 | f_send_gtpu(ctxA, f_gen_icmpv4_echo(addrA, addrB)); |
| 995 | f_wait_icmp4_echo_request(ctxB); |
| 996 | |
| 997 | f_pdp_ctx_del(ctxA, '1'B); |
| 998 | } |
| 999 | |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 1000 | /* Validate if different clients (pdp ctx) can reach one another through GGSN. */ |
| 1001 | testcase TC_pdp4_clients_interact_with_txseq() runs on GT_CT { |
Harald Welte | 3e0b039 | 2018-04-26 09:46:21 +0200 | [diff] [blame] | 1002 | use_gtpu_txseq := true; |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 1003 | f_pdp4_clients_interact(); |
| 1004 | } |
| 1005 | |
| 1006 | /* Validate if different clients (pdp ctx) can reach one another through GGSN (without Tx sequence number). */ |
| 1007 | testcase TC_pdp4_clients_interact_without_txseq() runs on GT_CT { |
Harald Welte | 3e0b039 | 2018-04-26 09:46:21 +0200 | [diff] [blame] | 1008 | use_gtpu_txseq := false; |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 1009 | f_pdp4_clients_interact(); |
| 1010 | } |
| 1011 | |
Harald Welte | dca8005 | 2017-08-13 20:01:38 +0200 | [diff] [blame] | 1012 | testcase TC_echo_req_resp() runs on GT_CT { |
| 1013 | f_init(); |
| 1014 | f_send_gtpc(ts_GTPC_PING(g_peer_c, g_c_seq_nr)); |
| 1015 | T_default.start; |
| 1016 | alt { |
| 1017 | [] GTPC.receive(tr_GTPC_PONG(g_peer_c)) { setverdict(pass); }; |
| 1018 | [] GTPC.receive { repeat; }; |
| 1019 | [] T_default.timeout { setverdict(fail); } |
| 1020 | } |
| 1021 | T_default.stop; |
| 1022 | } |
| 1023 | |
Philipp Maier | 33e5261 | 2018-05-30 17:22:02 +0200 | [diff] [blame] | 1024 | /* Test if the parser can cope with PCO that only contain either a |
| 1025 | * single primary DNS or a secondary DNS. */ |
| 1026 | testcase TC_pdp4_act_deact_with_single_dns() runs on GT_CT { |
| 1027 | |
| 1028 | /* Note: an unpatched osmo-ggsn version will enter an endless-loop when |
| 1029 | * the test is executed. |
| 1030 | * see also: Change-Id Icffde89f9bc5d8fcadf6e2dd6c0b4de03440edd5 and OS#3288 */ |
| 1031 | |
| 1032 | f_init(); |
| 1033 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 1034 | var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1); |
| 1035 | var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2); |
| 1036 | var octetstring pco_neg_dns; |
| 1037 | var octetstring pco_neg_dns_expected; |
| 1038 | |
| 1039 | /* PCO with primary DNS only */ |
| 1040 | ctx.pco_req := valueof(ts_PCO_IPv4_PRI_DNS_IPCP); |
| 1041 | f_pdp_ctx_act(ctx); |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 1042 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Philipp Maier | 33e5261 | 2018-05-30 17:22:02 +0200 | [diff] [blame] | 1043 | pco_neg_dns := f_PCO_extract_proto(ctx.pco_neg, '8021'O, 1); |
| 1044 | pco_neg_dns_expected := '0200000A8106'O & ggsn_ip4_dns1 |
| 1045 | /* Note: The prepended hex bytes encode the following information: |
| 1046 | * 0x02 = Configuration ACK |
| 1047 | * 0x00 = Identifier |
| 1048 | * 0x000a = Length |
| 1049 | * 0x81 = Type (Primary DNS Server Address) |
| 1050 | * 0x06 = Length |
| 1051 | * (4 byte IP-Address appended) */ |
| 1052 | if (not match(pco_neg_dns, pco_neg_dns_expected)) { |
| 1053 | setverdict(fail, "Primary DNS IPv4 PCO option not found"); |
| 1054 | } |
| 1055 | f_pdp_ctx_del(ctx, '1'B); |
| 1056 | |
| 1057 | /* PCO with secondary DNS only */ |
| 1058 | ctx.pco_req := valueof(ts_PCO_IPv4_SEC_DNS_IPCP); |
| 1059 | f_pdp_ctx_act(ctx); |
| 1060 | pco_neg_dns := f_PCO_extract_proto(ctx.pco_neg, '8021'O, 1); |
| 1061 | pco_neg_dns_expected := '0200000A8306'O & ggsn_ip4_dns2 |
| 1062 | if (not match(pco_neg_dns, pco_neg_dns_expected)) { |
| 1063 | setverdict(fail, "Secondary DNS IPv4 PCO option not found"); |
| 1064 | } |
| 1065 | f_pdp_ctx_del(ctx, '1'B); |
| 1066 | } |
| 1067 | |
| 1068 | /* Test if the parser can cope with PCO that contains primary and secondary DNS in a separate IPCP container. |
| 1069 | * Note: an unpatched osmo-ggsn version will enter an endless-loop when the test is run |
| 1070 | * see Change-Id Icffde89f9bc5d8fcadf6e2dd6c0b4de03440edd5 and OS#3288. */ |
| 1071 | testcase TC_pdp4_act_deact_with_separate_dns() runs on GT_CT { |
| 1072 | |
| 1073 | /* Note: an unpatched osmo-ggsn version will enter an endless-loop when |
| 1074 | * the test is executed. |
| 1075 | * see also: Change-Id Icffde89f9bc5d8fcadf6e2dd6c0b4de03440edd5 and OS#3288 */ |
| 1076 | |
| 1077 | f_init(); |
| 1078 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 1079 | var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1); |
| 1080 | var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2); |
| 1081 | var octetstring pco_neg_dns; |
| 1082 | var octetstring pco_neg_dns_expected; |
| 1083 | |
| 1084 | ctx.pco_req := valueof(ts_PCO_IPv4_SEPARATE_DNS_IPCP); |
| 1085 | f_pdp_ctx_act(ctx); |
| 1086 | |
| 1087 | /* Check if primary DNS is contained */ |
| 1088 | pco_neg_dns := f_PCO_extract_proto(ctx.pco_neg, '8021'O, 1); |
| 1089 | pco_neg_dns_expected := '0200000A8106'O & ggsn_ip4_dns1 |
| 1090 | if (not match(pco_neg_dns, pco_neg_dns_expected)) { |
| 1091 | setverdict(fail, "Primary DNS IPv4 PCO option not found"); |
| 1092 | } |
Philipp Maier | 33e5261 | 2018-05-30 17:22:02 +0200 | [diff] [blame] | 1093 | |
| 1094 | /* Check if secondary DNS is contained */ |
Stefan Sperling | 8e7a396 | 2018-07-19 19:24:38 +0200 | [diff] [blame] | 1095 | /* This used to fail due to a bug in osmo-ggsn, see OS#3381 */ |
| 1096 | pco_neg_dns := f_PCO_extract_proto(ctx.pco_neg, '8021'O, 2); |
Philipp Maier | 33e5261 | 2018-05-30 17:22:02 +0200 | [diff] [blame] | 1097 | pco_neg_dns_expected := '0200000A8306'O & ggsn_ip4_dns2 |
| 1098 | if (not match(pco_neg_dns, pco_neg_dns_expected)) { |
| 1099 | setverdict(fail, "Secondary DNS IPv4 PCO option not found"); |
| 1100 | } |
| 1101 | f_pdp_ctx_del(ctx, '1'B); |
| 1102 | } |
| 1103 | |
Oliver Smith | ee6a088 | 2019-03-08 11:05:46 +0100 | [diff] [blame] | 1104 | /* Test IPv4v6 context activation for dynamic IPv4v6 EUA without DNS request */ |
| 1105 | testcase TC_pdp46_act_deact() runs on GT_CT { |
| 1106 | f_init(); |
| 1107 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet46, valueof(t_EuaIPv4Dynv6Dyn))); |
| 1108 | f_pdp_ctx_act(ctx); |
| 1109 | f_pdp_ctx_del(ctx, '1'B); |
| 1110 | } |
| 1111 | |
| 1112 | /* Test PDP context activation for dynamic IPv4v6 EUA with IPv4 DNS in IPCP */ |
| 1113 | testcase TC_pdp46_act_deact_ipcp() runs on GT_CT { |
| 1114 | f_init(); |
| 1115 | var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1); |
| 1116 | var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2); |
| 1117 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet46, valueof(t_EuaIPv4Dynv6Dyn))); |
| 1118 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_IPCP); |
| 1119 | f_pdp_ctx_act(ctx); |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 1120 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Oliver Smith | ee6a088 | 2019-03-08 11:05:46 +0100 | [diff] [blame] | 1121 | /* verify IPCP is at all contained */ |
| 1122 | if (not match(ctx.pco_neg, tr_PCO_Contains('8021'O))) { |
| 1123 | setverdict(fail, "IPCP not found in PCO"); |
| 1124 | } |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 1125 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Oliver Smith | ee6a088 | 2019-03-08 11:05:46 +0100 | [diff] [blame] | 1126 | /* verify IPCP contains both primary and secondary IPv4 DNS */ |
| 1127 | var IpcpPacket ipcp := dec_IpcpPacket(f_PCO_extract_proto(ctx.pco_neg, '8021'O)); |
| 1128 | if (not match(ipcp, tr_IPCP_Ack_DNS(0, ggsn_ip4_dns1, ggsn_ip4_dns2))) { |
| 1129 | if (not match(ipcp, tr_IPCP_Ack_DNS(0))) { |
| 1130 | setverdict(fail, "Primary/Secondary DNS PCO IPCP option not found"); |
| 1131 | } else { |
| 1132 | setverdict(fail, "Primary/Secondary DNS PCO IPCP option found but not matching expected values"); |
| 1133 | } |
| 1134 | } |
| 1135 | f_pdp_ctx_del(ctx, '1'B); |
| 1136 | } |
| 1137 | |
| 1138 | /* Test PDP context activation for dynamic IPv4v6 EUA with IPv6 DNS in PCO and router solicitation/advertisement */ |
| 1139 | testcase TC_pdp46_act_deact_icmp6() runs on GT_CT { |
| 1140 | f_init(); |
| 1141 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet46, valueof(t_EuaIPv4Dynv6Dyn))); |
| 1142 | ctx.pco_req := valueof(ts_PCO_IPv6_DNS); |
| 1143 | f_pdp_ctx_act(ctx); |
| 1144 | |
| 1145 | f_send_gtpu(ctx, f_icmpv6_rs_for_pdp46(ctx)); |
| 1146 | f_wait_rtr_adv(ctx); |
| 1147 | f_send_gtpu(ctx, f_gen_icmpv6_neigh_solicit_for_pdp46(ctx)); |
| 1148 | |
| 1149 | f_pdp_ctx_del(ctx, '1'B); |
| 1150 | } |
| 1151 | |
| 1152 | /* Test IPv4v6 context activation for dynamic IPv4v6 EUA with request of IPv4 DNS in PCO */ |
| 1153 | testcase TC_pdp46_act_deact_pcodns4() runs on GT_CT { |
| 1154 | f_init(); |
| 1155 | |
| 1156 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet46, valueof(t_EuaIPv4Dynv6Dyn))); |
| 1157 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_CONT); |
| 1158 | f_pdp_ctx_act(ctx); |
| 1159 | |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 1160 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Oliver Smith | ee6a088 | 2019-03-08 11:05:46 +0100 | [diff] [blame] | 1161 | /* verify PCO contains both primary and secondary IPv4 DNS */ |
| 1162 | var OCT4 ggsn_ip4_dns1 := f_inet_addr(m_ggsn_ip4_dns1); |
| 1163 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '000d'O, 1), ggsn_ip4_dns1)) { |
| 1164 | setverdict(fail, "Primary DNS IPv4 PCO option not found"); |
| 1165 | } |
| 1166 | |
| 1167 | var OCT4 ggsn_ip4_dns2 := f_inet_addr(m_ggsn_ip4_dns2); |
| 1168 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '000d'O, 2), ggsn_ip4_dns2)) { |
| 1169 | setverdict(fail, "Secondary DNS IPv4 PCO option not found"); |
| 1170 | } |
| 1171 | |
| 1172 | f_pdp_ctx_del(ctx, '1'B); |
| 1173 | } |
| 1174 | |
| 1175 | /* Test IPv4v6 context activation for dynamic IPv4v6 EUA with request of IPv6 DNS in PCO */ |
| 1176 | testcase TC_pdp46_act_deact_pcodns6() runs on GT_CT { |
| 1177 | f_init(); |
| 1178 | |
| 1179 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet46, valueof(t_EuaIPv4Dynv6Dyn))); |
| 1180 | ctx.pco_req := valueof(ts_PCO_IPv6_DNS); |
| 1181 | f_pdp_ctx_act(ctx); |
| 1182 | |
Harald Welte | 79737b4 | 2019-04-10 10:39:30 +0200 | [diff] [blame] | 1183 | f_PCO_ensure_no_duplicates(ctx.pco_neg); |
Oliver Smith | ee6a088 | 2019-03-08 11:05:46 +0100 | [diff] [blame] | 1184 | /* verify PCO contains both primary and secondary IPv6 DNS */ |
| 1185 | var OCT4 ggsn_ip6_dns1 := f_inet6_addr(m_ggsn_ip6_dns1); |
| 1186 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '0003'O, 1), ggsn_ip6_dns1)) { |
| 1187 | setverdict(fail, "Primary DNS IPv6 PCO option not found"); |
| 1188 | } |
| 1189 | |
| 1190 | var OCT4 ggsn_ip6_dns2 := f_inet6_addr(m_ggsn_ip6_dns2); |
| 1191 | if (not match(f_PCO_extract_proto(ctx.pco_neg, '0003'O, 2), ggsn_ip6_dns2)) { |
| 1192 | setverdict(fail, "Secondary DNS IPv6 PCO option not found"); |
| 1193 | } |
| 1194 | |
| 1195 | f_pdp_ctx_del(ctx, '1'B); |
| 1196 | } |
| 1197 | |
| 1198 | /* Test PDP context activation for dynamic IPv4v6 EUA. |
| 1199 | Test we can send ICMPv6 ping over GTPU to DNS server. */ |
| 1200 | testcase TC_pdp46_act_deact_gtpu_access() runs on GT_CT { |
| 1201 | f_init(); |
| 1202 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet46, valueof(t_EuaIPv4Dynv6Dyn))); |
| 1203 | ctx.pco_req := valueof(ts_PCO_IPv4_DNS_CONT); |
| 1204 | f_pdp_ctx_act(ctx); |
| 1205 | |
| 1206 | var OCT4 dns1_addr := f_PCO_extract_proto(ctx.pco_neg, '000d'O); |
| 1207 | |
| 1208 | /* Check if we can use valid global src addr, should work */ |
| 1209 | var OCT4 saddr := ctx.eua.endUserAddress.endUserAddressIPv4andIPv6.ipv4_address; |
| 1210 | f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr, dns1_addr)); |
| 1211 | f_wait_icmp4_echo_reply(ctx); |
| 1212 | |
| 1213 | /* Assert that packets with wrong global src addr are dropped by GGSN */ |
| 1214 | var OCT4 saddr_wrong := substr(saddr, 0, 3) & (saddr[3] xor4b '11'O); |
| 1215 | f_send_gtpu(ctx, f_gen_icmpv4_echo(saddr_wrong, dns1_addr)); |
| 1216 | f_wait_gtpu_fail(ctx); |
| 1217 | |
| 1218 | /* Send an IPv6 RA to APN4, should fail (packet dropped) */ |
| 1219 | var OCT16 saddr_v6 := f_inet6_addr("fde4:8dba:82e1:2000:1:2:3:4"); |
| 1220 | f_send_gtpu(ctx, f_gen_icmpv6_router_solicitation(saddr_v6)); |
| 1221 | f_wait_gtpu_fail(ctx); |
| 1222 | f_pdp_ctx_del(ctx, '1'B); |
| 1223 | } |
| 1224 | |
| 1225 | /* Validate if different clients (pdp ctx) can reach one another through GGSN. */ |
| 1226 | testcase TC_pdp46_clients_interact() runs on GT_CT { |
| 1227 | f_init(); |
| 1228 | var PdpContext ctxA := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet46, valueof(t_EuaIPv4Dynv6Dyn))); |
| 1229 | var PdpContext ctxB := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInet46, valueof(t_EuaIPv4Dynv6Dyn))); |
| 1230 | f_pdp_ctx_act(ctxA); |
| 1231 | f_send_gtpu(ctxA, f_icmpv6_rs_for_pdp46(ctxA)); |
| 1232 | f_wait_rtr_adv(ctxA); |
| 1233 | f_send_gtpu(ctxA, f_gen_icmpv6_neigh_solicit_for_pdp46(ctxA)); |
| 1234 | |
| 1235 | f_pdp_ctx_act(ctxB); |
| 1236 | f_send_gtpu(ctxB, f_icmpv6_rs_for_pdp46(ctxB)); |
| 1237 | f_wait_rtr_adv(ctxB); |
| 1238 | f_send_gtpu(ctxB, f_gen_icmpv6_neigh_solicit_for_pdp46(ctxB)); |
| 1239 | |
| 1240 | var OCT16 addrA_ll := f_ipv6_link_local(ctxA.eua.endUserAddress.endUserAddressIPv4andIPv6.ipv6_address); |
| 1241 | var OCT16 addrB_ll := f_ipv6_link_local(ctxB.eua.endUserAddress.endUserAddressIPv4andIPv6.ipv6_address); |
| 1242 | var OCT16 addrA_glob := f_ipv6_global(ctxA.eua.endUserAddress.endUserAddressIPv4andIPv6.ipv6_address); |
| 1243 | var OCT16 addrB_glob := f_ipv6_global(ctxB.eua.endUserAddress.endUserAddressIPv4andIPv6.ipv6_address); |
| 1244 | |
| 1245 | /* Validate if clients can interact using ll addr. */ |
| 1246 | f_send_gtpu(ctxA, f_gen_icmpv6_echo(addrA_ll, addrB_ll)); |
| 1247 | f_wait_gtpu_fail(ctxB); |
| 1248 | |
| 1249 | /* Validate if clients can interact using global addr. */ |
| 1250 | f_send_gtpu(ctxA, f_gen_icmpv6_echo(addrA_glob, addrB_glob)); |
| 1251 | f_wait_gtpu_fail(ctxB); |
| 1252 | |
| 1253 | f_pdp_ctx_del(ctxA, '1'B); |
| 1254 | } |
| 1255 | |
Pau Espin Pedrol | 9a5f42f | 2019-05-27 20:04:35 +0200 | [diff] [blame] | 1256 | /* Send a duplicate echo req. osmo-ggsn maintains a queue for sent |
| 1257 | responses (60 seconds): If same delete req is sent and duplicate is |
| 1258 | detected, saved duplicate response should be sent back. */ |
| 1259 | testcase TC_act_deact_retrans_duplicate() runs on GT_CT { |
| 1260 | f_init(); |
| 1261 | var PdpContext ctx := valueof(t_DefinePDP(f_rnd_imsi('26242'H), '1234'O, c_ApnInternet, valueof(t_EuaIPv4Dyn))); |
| 1262 | f_pdp_ctx_act(ctx); |
| 1263 | f_pdp_ctx_del(ctx, '1'B); |
| 1264 | /* leave some time in between to make sure retransmit response queue keeps packets for a while */ |
| 1265 | f_sleep(1.0); |
| 1266 | /* g_c_seq_nr was increased during f_pdp_ctx_del(), we want a |
| 1267 | duplicate. If it was not a duplicate, osmo-ggsn would answer |
| 1268 | with a failure since that PDP ctx was already deleted. */ |
| 1269 | g_c_seq_nr := g_c_seq_nr - 1; |
| 1270 | f_pdp_ctx_del(ctx, '1'B); |
| 1271 | |
| 1272 | /* Now send a new pdp ctx del (increased seqnum). It should fail with cause "non-existent": */ |
| 1273 | var OCT1 cause_nonexistent := 'C0'O; |
| 1274 | f_pdp_ctx_del(ctx, '1'B, cause_nonexistent); |
| 1275 | } |
| 1276 | |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 1277 | control { |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 1278 | execute(TC_pdp4_act_deact()); |
| 1279 | execute(TC_pdp4_act_deact_ipcp()); |
| 1280 | execute(TC_pdp4_act_deact_pcodns()); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 1281 | execute(TC_pdp4_act_deact_gtpu_access()); |
Stefan Sperling | c479e4f | 2018-04-03 19:34:16 +0200 | [diff] [blame] | 1282 | execute(TC_pdp4_clients_interact_with_txseq()); |
| 1283 | execute(TC_pdp4_clients_interact_without_txseq()); |
Philipp Maier | 33e5261 | 2018-05-30 17:22:02 +0200 | [diff] [blame] | 1284 | execute(TC_pdp4_act_deact_with_single_dns()); |
| 1285 | execute(TC_pdp4_act_deact_with_separate_dns()); |
Harald Welte | ed7a177 | 2017-08-09 20:26:20 +0200 | [diff] [blame] | 1286 | |
| 1287 | execute(TC_pdp6_act_deact()); |
| 1288 | execute(TC_pdp6_act_deact_pcodns()); |
| 1289 | execute(TC_pdp6_act_deact_icmp6()); |
Pau Espin Pedrol | 3d9338f | 2018-01-29 20:42:54 +0100 | [diff] [blame] | 1290 | execute(TC_pdp6_act_deact_gtpu_access()); |
Pau Espin Pedrol | 6c7285d | 2018-01-30 17:20:22 +0100 | [diff] [blame] | 1291 | execute(TC_pdp6_clients_interact()); |
Harald Welte | dca8005 | 2017-08-13 20:01:38 +0200 | [diff] [blame] | 1292 | |
Oliver Smith | ee6a088 | 2019-03-08 11:05:46 +0100 | [diff] [blame] | 1293 | execute(TC_pdp46_act_deact()); |
| 1294 | execute(TC_pdp46_act_deact_ipcp()); |
| 1295 | execute(TC_pdp46_act_deact_icmp6()); |
| 1296 | execute(TC_pdp46_act_deact_pcodns4()); |
| 1297 | execute(TC_pdp46_act_deact_pcodns6()); |
| 1298 | execute(TC_pdp46_act_deact_gtpu_access()); |
| 1299 | execute(TC_pdp46_clients_interact()); |
| 1300 | |
Harald Welte | dca8005 | 2017-08-13 20:01:38 +0200 | [diff] [blame] | 1301 | execute(TC_echo_req_resp()); |
Pau Espin Pedrol | 9a5f42f | 2019-05-27 20:04:35 +0200 | [diff] [blame] | 1302 | execute(TC_act_deact_retrans_duplicate()); |
Harald Welte | 94ade36 | 2017-08-04 00:36:55 +0200 | [diff] [blame] | 1303 | } |
Harald Welte | 379d45a | 2017-08-03 09:55:15 +0200 | [diff] [blame] | 1304 | } |