Harald Welte | 61276c4 | 2019-08-10 22:14:50 +0200 | [diff] [blame] | 1 | -module(server_cb). |
| 2 | |
| 3 | |
| 4 | -include_lib("diameter/include/diameter.hrl"). |
| 5 | -include_lib("diameter/include/diameter_gen_base_rfc6733.hrl"). |
| 6 | -include_lib("diameter_3gpp_ts29_272.hrl"). |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 7 | -include_lib("osmo_gsup/include/gsup_protocol.hrl"). |
Harald Welte | 61276c4 | 2019-08-10 22:14:50 +0200 | [diff] [blame] | 8 | |
| 9 | |
| 10 | %% diameter callbacks |
| 11 | -export([peer_up/3, peer_down/3, pick_peer/4, prepare_request/3, prepare_retransmit/3, |
| 12 | handle_answer/4, handle_error/4, handle_request/3]). |
| 13 | |
| 14 | -define(UNEXPECTED, erlang:error({unexpected, ?MODULE, ?LINE})). |
| 15 | |
| 16 | peer_up(_SvcName, {PeerRef, Caps}, State) -> |
| 17 | lager:info("Peer up ~p - ~p~n", [PeerRef, lager:pr(Caps, ?MODULE)]), |
| 18 | State. |
| 19 | |
| 20 | peer_down(_SvcName, {PeerRef, Caps}, State) -> |
| 21 | lager:info("Peer down ~p - ~p~n", [PeerRef, lager:pr(Caps, ?MODULE)]), |
| 22 | State. |
| 23 | |
| 24 | pick_peer(_, _, _SvcName, _State) -> |
| 25 | ?UNEXPECTED. |
| 26 | |
| 27 | prepare_request(_, _SvcName, _Peer) -> |
| 28 | ?UNEXPECTED. |
| 29 | |
| 30 | prepare_retransmit(_Packet, _SvcName, _Peer) -> |
| 31 | ?UNEXPECTED. |
| 32 | |
| 33 | handle_answer(_Packet, _Request, _SvcName, _Peer) -> |
| 34 | ?UNEXPECTED. |
| 35 | |
| 36 | handle_error(_Reason, _Request, _SvcName, _Peer) -> |
| 37 | lager:error("Request error: ~p~n", [_Reason]), |
| 38 | ?UNEXPECTED. |
| 39 | |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 40 | % generate Diameter E-UTRAN / UTRAN / GERAN Vectors from GSUP tuple input |
| 41 | -spec gsup_tuple2dia_eutran('GSUPAuthTuple'(), binary(), integer()) -> #'E-UTRAN-Vector'{}. |
| 42 | gsup_tuple2dia_eutran(#{autn:=Autn, ck:=Ck, ik:=Ik, rand:=Rand, res:=Res}, Vplmn, Idx) -> |
| 43 | #'E-UTRAN-Vector'{'Item-Number'=Idx, 'RAND'=Rand, 'XRES'=Res , 'AUTN'=Autn, |
| 44 | 'KASME'=compute_kasme(Ck, Ik, Vplmn, Autn)}. |
| 45 | |
| 46 | -spec gsup_tuple2dia_utran('GSUPAuthTuple'()) -> #'UTRAN-Vector'{}. |
| 47 | gsup_tuple2dia_utran(#{autn:=Autn, ck:=Ck, ik:=Ik, rand:=Rand, res:=Res}) -> |
| 48 | #'UTRAN-Vector'{'RAND'=Rand, 'XRES'=Res, 'AUTN'=Autn, 'Confidentiality-Key'=Ck, 'Integrity-Key'=Ik}. |
| 49 | |
| 50 | -spec gsup_tuple2dia_geran('GSUPAuthTuple'()) -> #'GERAN-Vector'{}. |
| 51 | gsup_tuple2dia_geran(#{rand:=Rand, sres:=Sres, kc:=Kc}) -> |
| 52 | #'GERAN-Vector'{'RAND'=Rand, 'SRES'=Sres, 'Kc'=Kc}. |
| 53 | |
| 54 | -spec gsup_tuples2dia_eutran(['GSUPAuthTuple'()], binary()) -> [#'E-UTRAN-Vector'{}]. |
| 55 | gsup_tuples2dia_eutran(List, Vplmn) -> gsup_tuples2dia_eutran(List, Vplmn, [], 1). |
| 56 | gsup_tuples2dia_eutran([], _Vplmn, Out, _Idx) -> Out; |
| 57 | gsup_tuples2dia_eutran([Head|Tail], Vplmn, Out, Ctr) -> |
| 58 | Dia = gsup_tuple2dia_eutran(Head, Vplmn, Ctr), |
| 59 | gsup_tuples2dia_eutran(Tail, Vplmn, [Dia|Out], Ctr+1). |
| 60 | |
| 61 | -type int_or_false() :: false | integer(). |
| 62 | -spec gsup_tuples2dia(['GSUPAuthTuple'()], binary(), int_or_false(), int_or_false(), int_or_false()) -> #'Authentication-Info'{}. |
| 63 | gsup_tuples2dia(Tuples, Vplmn, NumEutran, NumUtran, NumGeran) -> |
| 64 | case NumEutran of |
| 65 | false -> EutranVecs = []; |
| 66 | 0 -> EutranVecs = []; |
| 67 | _ -> EutranVecs = gsup_tuples2dia_eutran(lists:sublist(Tuples,NumEutran), Vplmn) |
| 68 | end, |
| 69 | case NumUtran of |
| 70 | false -> UtranVecs = []; |
| 71 | 0 -> UtranVecs = []; |
| 72 | _ -> UtranVecs = lists:map(fun gsup_tuple2dia_utran/1, lists:sublist(Tuples,NumUtran)) |
| 73 | end, |
| 74 | case NumGeran of |
| 75 | false -> GeranVecs = []; |
| 76 | 0 -> GeranVecs = []; |
| 77 | _ -> GeranVecs = lists:map(fun gsup_tuple2dia_geran/1, lists:sublist(Tuples,NumGeran)) |
| 78 | end, |
| 79 | #'Authentication-Info'{'E-UTRAN-Vector'=EutranVecs, 'UTRAN-Vector'=UtranVecs, |
| 80 | 'GERAN-Vector'=GeranVecs}. |
| 81 | |
| 82 | |
| 83 | -spec compute_kasme(<<_:16>>, <<_:16>>, <<_:3>>, <<_:16>>) -> <<_:32>>. |
| 84 | compute_kasme(Ck, Ik, VplmnId, Autn) -> |
| 85 | Autn6 = binary_part(Autn, 0, 6), |
| 86 | K = <<Ck:16/binary, Ik:16/binary>>, |
| 87 | S = <<16, VplmnId:3/binary, 0, 3, Autn6:6/binary, 0, 6>>, |
Daniel Willmann | 592cc8b | 2022-04-22 16:08:48 +0200 | [diff] [blame^] | 88 | Release = erlang:system_info(otp_release), |
| 89 | if |
| 90 | Release >= "24" -> |
| 91 | crypto:macN(hmac, sha256, K, S, 32); |
| 92 | true -> |
| 93 | crypto:hmac(sha256, K, S, 32) |
| 94 | end. |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 95 | |
| 96 | -spec req_num_of_vec([tuple()]) -> int_or_false(). |
| 97 | req_num_of_vec([#'Requested-EUTRAN-Authentication-Info'{'Number-Of-Requested-Vectors'=[]}]) -> false; |
| 98 | req_num_of_vec([#'Requested-EUTRAN-Authentication-Info'{'Number-Of-Requested-Vectors'=[Num]}]) -> Num; |
| 99 | req_num_of_vec([#'Requested-UTRAN-GERAN-Authentication-Info'{'Number-Of-Requested-Vectors'=[]}]) -> false; |
| 100 | req_num_of_vec([#'Requested-UTRAN-GERAN-Authentication-Info'{'Number-Of-Requested-Vectors'=[Num]}]) -> Num; |
| 101 | req_num_of_vec(_) -> false. |
| 102 | |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 103 | -define(PDP_TYPE_DEFAULT, <<0,0,0,16#21>>). % IPv4 |
| 104 | -define(PDP_QOS_DEFAULT, <<0,0,0,0,0,0,0,0,0,0,0,0,0,0>>). % fixme |
| 105 | |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 106 | -spec gsup_pdp2dia('GSUPPdpInfo'()) -> #'PDP-Context'{}. |
| 107 | gsup_pdp2dia(GsupPdpInfo) -> |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 108 | #'PDP-Context'{'PDP-Type' = maps:get(pdp_type, GsupPdpInfo, ?PDP_TYPE_DEFAULT), |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 109 | 'Context-Identifier' = maps:get(pdp_context_id, GsupPdpInfo), |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 110 | 'Service-Selection' = maps:get(access_point_name, GsupPdpInfo), |
| 111 | 'QoS-Subscribed' = maps:get(quality_of_service, GsupPdpInfo, ?PDP_QOS_DEFAULT) |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 112 | }. |
| 113 | |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 114 | -define(PDN_TYPE_DEFAULT, 0). % IPv4 |
| 115 | -define(EPS_QOS_DEFAULT, |
| 116 | #'EPS-Subscribed-QoS-Profile'{'QoS-Class-Identifier'=9, |
| 117 | 'Allocation-Retention-Priority'= |
| 118 | #'Allocation-Retention-Priority'{'Priority-Level'=8, |
| 119 | 'Pre-emption-Capability'=1, |
| 120 | 'Pre-emption-Vulnerability'=1} |
| 121 | }). |
| 122 | |
| 123 | -spec gsup_pdp2dia_apn('GSUPPdpInfo'()) -> #'APN-Configuration'{}. |
| 124 | gsup_pdp2dia_apn(GsupPdpInfo) -> |
| 125 | #'APN-Configuration'{'Context-Identifier' = maps:get(pdp_context_id, GsupPdpInfo), |
| 126 | 'PDN-Type' = maps:get(pdp_type, GsupPdpInfo, ?PDN_TYPE_DEFAULT), |
| 127 | % The EPS-Subscribed-QoS-Profile AVP and the AMBR AVP shall be present in the |
| 128 | % APN-Configuration AVP when the APN-Configuration AVP is sent in the |
| 129 | % APN-Configuration-Profile AVP and when the APN-Configuration-Profile AVP is |
| 130 | % sent within a ULA (as part of the Subscription-Data AVP). |
| 131 | 'EPS-Subscribed-QoS-Profile' = ?EPS_QOS_DEFAULT, |
| 132 | 'AMBR' = #'AMBR'{'Max-Requested-Bandwidth-UL' = 100000000, |
| 133 | 'Max-Requested-Bandwidth-DL' = 100000000}, |
| 134 | % The default APN Configuration shall not contain the Wildcard APN (see 3GPP TS |
| 135 | % 23.003 [3], clause 9.2); the default APN shall always contain an explicit APN |
| 136 | 'Service-Selection' = "internet"%maps:get(access_point_name, GsupPdpInfo) |
| 137 | }. |
| 138 | |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 139 | % transient (only in Experimental-Result-Code) |
| 140 | -define(DIAMETER_AUTHENTICATION_DATA_UNAVAILABLE, 4181). |
| 141 | -define(DIAMETER_ERROR_CAMEL_SUBSCRIPTION_PRESENT, 4182). |
| 142 | % permanent (only in Experimental-Result-Code) |
| 143 | -define(DIAMETER_ERROR_USER_UNKNOWN, 5001). |
| 144 | -define(DIAMETER_ERROR_ROAMING_NOT_ALLOWED, 5004). |
| 145 | -define(DIAMETER_ERROR_UNKNOWN_EPS_SUBSCRIPTION, 5420). |
| 146 | -define(DIAMETER_ERROR_RAT_NOT_ALLOWED, 5421). |
| 147 | -define(DIAMETER_ERROR_EQUIPMENT_UNKNOWN, 5422). |
| 148 | -define(DIAMETER_ERROR_UNKOWN_SERVING_NODE, 5423). |
| 149 | |
| 150 | % 10.5.5.14 |
| 151 | -define(GMM_CAUSE_IMSI_UNKNOWN, 16#02). |
| 152 | -define(GMM_CAUSE_PLMN_NOTALLOWED, 16#0b). |
| 153 | -define(GMM_CAUSE_GPRS_NOTALLOWED, 16#07). |
| 154 | -define(GMM_CAUSE_INV_MAND_INFO, 16#60). |
| 155 | -define(GMM_CAUSE_NET_FAIL, 16#11). |
| 156 | % TODO: more values |
| 157 | |
| 158 | -define(EXP_RES(Foo), #'Experimental-Result'{'Vendor-Id'=fixme, 'Experimental-Result-Code'=Foo}). |
| 159 | |
| 160 | -type empty_or_intl() :: [] | [integer()]. |
| 161 | -spec gsup_cause2dia(integer()) -> {empty_or_intl(), empty_or_intl()}. |
| 162 | gsup_cause2dia(?GMM_CAUSE_IMSI_UNKNOWN) -> {[], [?EXP_RES(?DIAMETER_ERROR_USER_UNKNOWN)]}; |
| 163 | gsup_cause2dia(?GMM_CAUSE_PLMN_NOTALLOWED) -> {[], [?DIAMETER_ERROR_ROAMING_NOT_ALLOWED]}; |
| 164 | gsup_cause2dia(?GMM_CAUSE_GPRS_NOTALLOWED) -> {[], [?DIAMETER_ERROR_RAT_NOT_ALLOWED]}; |
| 165 | %gsup_cause2dia(?GMM_CAUSE_INV_MAND_INFO) -> |
| 166 | %gsup_cause2dia(?GMM_CAUSE_NET_FAIL) -> |
| 167 | % TODO: more values |
| 168 | gsup_cause2dia(_) -> {fixme, []}. |
| 169 | |
| 170 | % get the value for a tiven key in Map1. If not found, try same key in Map2. If not found, return Default |
| 171 | -spec twomap_get(atom(), map(), map(), any()) -> any(). |
| 172 | twomap_get(Key, Map1, Map2, Default) -> |
| 173 | maps:get(Key, Map1, maps:get(Key, Map2, Default)). |
| 174 | |
| 175 | handle_request(#diameter_packet{msg = Req, errors = []}, _SvcName, {_, Caps}) when is_record(Req, 'AIR') -> |
| 176 | lager:info("AIR: ~p~n", [Req]), |
| 177 | % extract relevant fields from DIAMETER AIR |
| 178 | #diameter_caps{origin_host = {OH,_}, origin_realm = {OR,_}} = Caps, |
| 179 | #'AIR'{'Session-Id' = SessionId, |
| 180 | 'User-Name' = UserName, |
| 181 | 'Visited-PLMN-Id' = VplmnId, |
| 182 | 'Requested-EUTRAN-Authentication-Info' = ReqEU, |
| 183 | 'Requested-UTRAN-GERAN-Authentication-Info' = ReqUG} = Req, |
| 184 | VplmnIdBin = list_to_binary(VplmnId), |
| 185 | NumEutran = req_num_of_vec(ReqEU), |
| 186 | NumUgran = req_num_of_vec(ReqUG), |
| 187 | lager:info("Num EUTRAN=~p, UTRAN=~p~n", [NumEutran, NumUgran]), |
| 188 | % construct GSUP request to HLR and transceive it |
Harald Welte | 388d387 | 2019-12-01 17:03:15 +0100 | [diff] [blame] | 189 | GsupTx1 = #{message_type => send_auth_info_req, imsi => list_to_binary(UserName), |
| 190 | supported_rat_types => [rat_eutran_sgs], current_rat_type => rat_eutran_sgs}, |
Harald Welte | 332fe7f | 2019-08-20 22:36:50 +0200 | [diff] [blame] | 191 | case ReqEU of |
| 192 | #'Requested-EUTRAN-Authentication-Info'{'Re-Synchronization-Info' = ReSyncInfo} |
| 193 | when is_binary(ReSyncInfo) -> |
| 194 | GsupTx2 = #{rand => string:substr(ReSyncInfo, 1, 16), |
| 195 | auts => string:substr(ReSyncInfo, 17)}; |
| 196 | _ -> |
| 197 | GsupTx2 = #{} |
| 198 | end, |
| 199 | GsupTx = maps:merge(GsupTx1, GsupTx2), |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 200 | GsupRx = gen_server:call(gsup_client, {transceive_gsup, GsupTx, send_auth_info_res, send_auth_info_err}), |
| 201 | lager:info("GsupRx: ~p~n", [GsupRx]), |
| 202 | % construct DIAMETER AIA response |
| 203 | case GsupRx of |
| 204 | #{message_type:=send_auth_info_res, auth_tuples:=GsupAuthTuples} -> |
| 205 | AuthInfo = gsup_tuples2dia(GsupAuthTuples, VplmnIdBin, NumEutran, NumUgran, NumUgran), |
| 206 | Resp = #'AIA'{'Session-Id'=SessionId, 'Origin-Host'=OH, 'Origin-Realm'=OR, |
| 207 | 'Result-Code'=2001, 'Auth-Session-State'=1, |
| 208 | 'Authentication-Info'=AuthInfo}; |
| 209 | #{message_type := send_auth_info_err} -> |
| 210 | Resp = #'AIA'{'Session-Id'=SessionId, 'Origin-Host'=OH, 'Origin-Realm'=OR, |
| 211 | 'Result-Code'=?DIAMETER_ERROR_USER_UNKNOWN, |
| 212 | 'Auth-Session-State'=1}; |
| 213 | timeout -> |
| 214 | Resp = #'AIA'{'Session-Id'=SessionId, 'Origin-Host'=OH, 'Origin-Realm'=OR, |
| 215 | 'Result-Code'=4181, 'Auth-Session-State'=1} |
| 216 | end, |
| 217 | lager:info("Resp: ~p~n", [Resp]), |
| 218 | {reply, Resp}; |
| 219 | |
| 220 | handle_request(#diameter_packet{msg = Req, errors = []}, _SvcName, {_, Caps}) when is_record(Req, 'ULR') -> |
Harald Welte | 6f52908 | 2019-08-21 14:54:27 +0200 | [diff] [blame] | 221 | % extract relevant fields from DIAMETER ULR |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 222 | #diameter_caps{origin_host = {OH,_}, origin_realm = {OR,_}} = Caps, |
| 223 | #'ULR'{'Session-Id' = SessionId, |
| 224 | 'RAT-Type' = RatType, |
| 225 | 'ULR-Flags' = UlrFlags, |
| 226 | 'User-Name' = UserName} = Req, |
| 227 | |
| 228 | % construct GSUP UpdateLocation request to HLR and transceive it; expect InsertSubscrDataReq |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 229 | GsupTxUlReq = #{message_type => location_upd_req, imsi => list_to_binary(UserName), |
| 230 | cn_domain => 1}, |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 231 | GsupRxIsdReq = gen_server:call(gsup_client, |
| 232 | {transceive_gsup, GsupTxUlReq, insert_sub_data_req, location_upd_err}), |
| 233 | lager:info("GsupRxIsdReq: ~p~n", [GsupRxIsdReq]), |
| 234 | case GsupRxIsdReq of |
| 235 | #{message_type:=location_upd_err, cause:=Cause} -> |
| 236 | {Res, ExpRes} = gsup_cause2dia(Cause), |
| 237 | Resp = #'ULA'{'Session-Id'= SessionId, 'Auth-Session-State'=1, |
| 238 | 'Origin-Host'=OH, 'Origin-Realm'=OR, |
| 239 | 'Result-Code'=Res, 'Experimental-Result'=ExpRes}; |
| 240 | #{message_type:=insert_sub_data_req} -> |
| 241 | % construct GSUP InsertSubscrData response to HLR and transceive it; expect |
| 242 | % UpdateLocationRes |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 243 | GsupTxIsdRes = #{message_type => insert_sub_data_res, |
| 244 | imsi => list_to_binary(UserName)}, |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 245 | GsupRxUlRes = gen_server:call(gsup_client, |
| 246 | {transceive_gsup, GsupTxIsdRes, location_upd_res, location_upd_err}), |
| 247 | lager:info("GsupRxUlRes: ~p~n", [GsupRxUlRes]), |
| 248 | |
| 249 | case GsupRxUlRes of |
| 250 | #{message_type:=location_upd_res} -> |
| 251 | Msisdn = twomap_get(msisdn, GsupRxIsdReq, GsupRxUlRes, []), |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 252 | Compl = twomap_get(pdp_info_complete, GsupRxIsdReq, GsupRxUlRes, 0), |
| 253 | |
| 254 | % build the GPRS Subscription Data |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 255 | PdpInfoList = twomap_get(pdp_info_list, GsupRxIsdReq, GsupRxUlRes, []), |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 256 | PdpContexts = lists:map(fun gsup_pdp2dia/1, PdpInfoList), |
| 257 | GSubD = #'GPRS-Subscription-Data'{'Complete-Data-List-Included-Indicator'=Compl, |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 258 | 'PDP-Context'=PdpContexts}, |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 259 | |
| 260 | % build the APN-Configuration-Profile |
| 261 | ApnCfgList = lists:map(fun gsup_pdp2dia_apn/1, PdpInfoList), |
| 262 | FirstApn = lists:nth(1, ApnCfgList), |
| 263 | DefaultCtxId = FirstApn#'APN-Configuration'.'Context-Identifier', |
| 264 | ApnCfgProf = #'APN-Configuration-Profile'{'Context-Identifier' = DefaultCtxId, |
| 265 | 'All-APN-Configurations-Included-Indicator'=Compl, |
| 266 | 'APN-Configuration' = ApnCfgList}, |
| 267 | |
| 268 | % put together the Subscription-Data and finally the ULA response |
| 269 | SubscrData = #'Subscription-Data'{'MSISDN' = Msisdn, |
| 270 | |
| 271 | 'Network-Access-Mode' = 0, % PACKET_AND_CIRCUIT |
| 272 | 'GPRS-Subscription-Data' = GSubD, |
| 273 | % Subscriber-Status must be present in ULA |
| 274 | 'Subscriber-Status' = 0, |
| 275 | % AMBR must be present if this is an ULA; let's permit 100MBps UL + DL |
| 276 | 'AMBR' = #'AMBR'{'Max-Requested-Bandwidth-UL' = 100000000, |
| 277 | 'Max-Requested-Bandwidth-DL' = 100000000}, |
| 278 | 'APN-Configuration-Profile' = ApnCfgProf}, |
| 279 | Resp = #'ULA'{'Session-Id' = SessionId, 'Auth-Session-State' = 1, |
| 280 | 'Origin-Host' = OH, 'Origin-Realm' = OR, |
| 281 | 'Result-Code' = 2001, |
| 282 | 'Subscription-Data' = SubscrData, 'ULA-Flags' = 0}; |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 283 | #{message_type:=location_upd_err, cause:=Cause} -> |
| 284 | {Res, ExpRes} = gsup_cause2dia(Cause), |
| 285 | Resp = #'ULA'{'Session-Id'= SessionId, 'Auth-Session-State'=1, |
| 286 | 'Origin-Host'=OH, 'Origin-Realm'=OR, |
| 287 | 'Result-Code'=Res, 'Experimental-Result'=ExpRes}; |
| 288 | _ -> |
| 289 | Resp = #'ULA'{'Session-Id'= SessionId, 'Auth-Session-State'=1, |
| 290 | 'Origin-Host'=OH, 'Origin-Realm'=OR, |
| 291 | 'Result-Code'=fixme} |
| 292 | end |
| 293 | end, |
Harald Welte | 299ba93 | 2019-08-15 18:31:12 +0200 | [diff] [blame] | 294 | lager:info("ULR Resp: ~p~n", [Resp]), |
Harald Welte | 44da7d7 | 2019-08-14 13:28:08 +0200 | [diff] [blame] | 295 | {reply, Resp}; |
| 296 | |
| 297 | handle_request(Packet, _SvcName, {_,_}) -> |
| 298 | lager:error("Unsuppoerted message: ~p~n", [Packet]), |
Harald Welte | 61276c4 | 2019-08-10 22:14:50 +0200 | [diff] [blame] | 299 | discard. |