Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 1 | /* Point-to-Point (PP) Short Message Service (SMS) |
| 2 | * Support on Mobile Radio Interface |
| 3 | * 3GPP TS 04.11 version 7.1.0 Release 1998 / ETSI TS 100 942 V7.1.0 */ |
| 4 | |
| 5 | /* (C) 2008 by Daniel Willmann <daniel@totalueberwachung.de> |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 6 | * (C) 2009 by Harald Welte <laforge@gnumonks.org> |
Holger Hans Peter Freyther | 7517212 | 2012-11-10 18:11:22 +0100 | [diff] [blame] | 7 | * (C) 2010-2012 by Holger Hans Peter Freyther <zecke@selfish.org> |
Holger Hans Peter Freyther | 85531cc | 2010-10-06 20:37:09 +0800 | [diff] [blame] | 8 | * (C) 2010 by On-Waves |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 9 | * (C) 2011 by Andreas Eversberg <jolly@eversberg.eu> |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 10 | * |
| 11 | * All Rights Reserved |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or modify |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 14 | * it under the terms of the GNU Affero General Public License as published by |
| 15 | * the Free Software Foundation; either version 3 of the License, or |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 16 | * (at your option) any later version. |
| 17 | * |
| 18 | * This program is distributed in the hope that it will be useful, |
| 19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 21 | * GNU Affero General Public License for more details. |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 22 | * |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 23 | * You should have received a copy of the GNU Affero General Public License |
| 24 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 25 | * |
| 26 | */ |
| 27 | |
| 28 | |
| 29 | #include <stdio.h> |
| 30 | #include <stdlib.h> |
| 31 | #include <string.h> |
| 32 | #include <errno.h> |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 33 | #include <time.h> |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 34 | #include <netinet/in.h> |
| 35 | |
Harald Welte | 9c3dc90 | 2012-04-08 16:59:24 +0200 | [diff] [blame] | 36 | #include "bscconfig.h" |
| 37 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 38 | #include <osmocom/core/msgb.h> |
Holger Hans Peter Freyther | 7517212 | 2012-11-10 18:11:22 +0100 | [diff] [blame] | 39 | #include <osmocom/core/talloc.h> |
Neels Hofmeyr | 93bafb6 | 2017-01-13 03:12:08 +0100 | [diff] [blame] | 40 | #include <osmocom/core/utils.h> |
Holger Hans Peter Freyther | 7517212 | 2012-11-10 18:11:22 +0100 | [diff] [blame] | 41 | |
Holger Hans Peter Freyther | 7517212 | 2012-11-10 18:11:22 +0100 | [diff] [blame] | 42 | #include <osmocom/gsm/gsm_utils.h> |
Holger Hans Peter Freyther | 366c331 | 2012-11-10 18:24:54 +0100 | [diff] [blame] | 43 | #include <osmocom/gsm/gsm0411_utils.h> |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 44 | #include <osmocom/gsm/protocol/gsm_04_11.h> |
Holger Hans Peter Freyther | 7517212 | 2012-11-10 18:11:22 +0100 | [diff] [blame] | 45 | |
Neels Hofmeyr | 9084396 | 2017-09-04 15:04:35 +0200 | [diff] [blame] | 46 | #include <osmocom/msc/debug.h> |
| 47 | #include <osmocom/msc/gsm_data.h> |
| 48 | #include <osmocom/msc/db.h> |
| 49 | #include <osmocom/msc/gsm_subscriber.h> |
| 50 | #include <osmocom/msc/gsm_04_08.h> |
Neels Hofmeyr | 9084396 | 2017-09-04 15:04:35 +0200 | [diff] [blame] | 51 | #include <osmocom/msc/signal.h> |
| 52 | #include <osmocom/msc/db.h> |
| 53 | #include <osmocom/msc/transaction.h> |
Neels Hofmeyr | 9084396 | 2017-09-04 15:04:35 +0200 | [diff] [blame] | 54 | #include <osmocom/msc/vlr.h> |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 55 | #include <osmocom/msc/msub.h> |
| 56 | #include <osmocom/msc/msc_a.h> |
| 57 | #include <osmocom/msc/paging.h> |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 58 | |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 59 | #ifdef BUILD_SMPP |
| 60 | #include "smpp_smsc.h" |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 61 | #endif |
| 62 | |
Harald Welte (local) | d19e58b | 2009-08-15 02:30:58 +0200 | [diff] [blame] | 63 | void *tall_gsms_ctx; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 64 | static uint32_t new_callref = 0x40000001; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 65 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 66 | struct gsm_sms *sms_alloc(void) |
| 67 | { |
| 68 | return talloc_zero(tall_gsms_ctx, struct gsm_sms); |
| 69 | } |
| 70 | |
| 71 | void sms_free(struct gsm_sms *sms) |
| 72 | { |
| 73 | /* drop references to subscriber structure */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 74 | if (sms->receiver) |
Neels Hofmeyr | 7c5346c | 2019-02-19 02:36:35 +0100 | [diff] [blame] | 75 | vlr_subscr_put(sms->receiver, VSUB_USE_SMS_RECEIVER); |
Harald Welte | 6c7680d | 2012-11-16 22:15:22 +0100 | [diff] [blame] | 76 | #ifdef BUILD_SMPP |
Harald Welte | e94db49 | 2012-11-08 20:11:05 +0100 | [diff] [blame] | 77 | if (sms->smpp.esme) |
| 78 | smpp_esme_put(sms->smpp.esme); |
Harald Welte | 6c7680d | 2012-11-16 22:15:22 +0100 | [diff] [blame] | 79 | #endif |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 80 | |
| 81 | talloc_free(sms); |
| 82 | } |
| 83 | |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 84 | struct gsm_sms *sms_from_text(struct vlr_subscr *receiver, |
Harald Welte | 39b5548 | 2018-04-09 19:19:33 +0200 | [diff] [blame] | 85 | const char *sender_msisdn, |
Sylvain Munaut | 01c13a3 | 2012-12-28 00:49:01 +0100 | [diff] [blame] | 86 | int dcs, const char *text) |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 87 | { |
| 88 | struct gsm_sms *sms = sms_alloc(); |
| 89 | |
| 90 | if (!sms) |
| 91 | return NULL; |
| 92 | |
Neels Hofmeyr | 7c5346c | 2019-02-19 02:36:35 +0100 | [diff] [blame] | 93 | vlr_subscr_get(receiver, VSUB_USE_SMS_RECEIVER); |
| 94 | sms->receiver = receiver; |
Max | 98f7467 | 2018-02-05 12:57:06 +0100 | [diff] [blame] | 95 | OSMO_STRLCPY_ARRAY(sms->text, text); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 96 | |
Harald Welte | 39b5548 | 2018-04-09 19:19:33 +0200 | [diff] [blame] | 97 | OSMO_STRLCPY_ARRAY(sms->src.addr, sender_msisdn); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 98 | sms->reply_path_req = 0; |
| 99 | sms->status_rep_req = 0; |
| 100 | sms->ud_hdr_ind = 0; |
| 101 | sms->protocol_id = 0; /* implicit */ |
Holger Hans Peter Freyther | cdfcbee | 2011-01-10 15:34:09 +0100 | [diff] [blame] | 102 | sms->data_coding_scheme = dcs; |
Max | 98f7467 | 2018-02-05 12:57:06 +0100 | [diff] [blame] | 103 | OSMO_STRLCPY_ARRAY(sms->dst.addr, receiver->msisdn); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 104 | /* Generate user_data */ |
Holger Hans Peter Freyther | 91acfa0 | 2013-12-26 22:33:02 +0100 | [diff] [blame] | 105 | sms->user_data_len = gsm_7bit_encode_n(sms->user_data, sizeof(sms->user_data), |
| 106 | sms->text, NULL); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 107 | |
| 108 | return sms; |
| 109 | } |
| 110 | |
| 111 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 112 | static void send_signal(int sig_no, |
| 113 | struct gsm_trans *trans, |
| 114 | struct gsm_sms *sms, |
| 115 | int paging_result) |
| 116 | { |
| 117 | struct sms_signal_data sig; |
| 118 | sig.trans = trans; |
| 119 | sig.sms = sms; |
| 120 | sig.paging_result = paging_result; |
Pablo Neira Ayuso | bbc5b99 | 2011-05-06 12:12:31 +0200 | [diff] [blame] | 121 | osmo_signal_dispatch(SS_SMS, sig_no, &sig); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 122 | } |
| 123 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 124 | static int gsm411_sendmsg(struct gsm_trans *trans, struct msgb *msg) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 125 | { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 126 | LOG_TRANS(trans, LOGL_DEBUG, "GSM4.11 TX %s\n", msgb_hexdump(msg)); |
Holger Hans Peter Freyther | ec32b58 | 2010-03-23 07:40:46 +0100 | [diff] [blame] | 127 | msg->l3h = msg->data; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 128 | return msc_a_tx_dtap_to_i(trans->msc_a, msg); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 129 | } |
| 130 | |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 131 | /* Paging callback for MT SMS (Paging is triggered by SMC) */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 132 | static void mmsms_paging_cb(struct msc_a *msc_a, struct gsm_trans *trans) |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 133 | { |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 134 | struct gsm_sms *sms = trans->sms.sms; |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 135 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 136 | LOG_TRANS(trans, LOGL_DEBUG, "%s(%s)\n", __func__, msc_a ? "success" : "expired"); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 137 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 138 | if (msc_a) { |
| 139 | /* Paging succeeded */ |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 140 | /* Associate transaction with established connection */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 141 | msc_a_get(msc_a, MSC_A_USE_SMS); |
| 142 | trans->msc_a = msc_a; |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 143 | /* Confirm successful connection establishment */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 144 | gsm411_smc_recv(&trans->sms.smc_inst, GSM411_MMSMS_EST_CNF, NULL, 0); |
| 145 | } else { |
| 146 | /* Paging expired or failed */ |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 147 | /* Inform SMC about channel establishment failure */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 148 | gsm411_smc_recv(&trans->sms.smc_inst, GSM411_MMSMS_REL_IND, NULL, 0); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 149 | |
Vadim Yanitskiy | 82cc8a5 | 2018-11-15 01:05:53 +0700 | [diff] [blame] | 150 | /* gsm411_send_rp_data() doesn't set trans->sms.sms */ |
| 151 | if (sms != NULL) { |
| 152 | /* Notify the SMSqueue and free stored SMS */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 153 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
Vadim Yanitskiy | 82cc8a5 | 2018-11-15 01:05:53 +0700 | [diff] [blame] | 154 | trans->sms.sms = NULL; |
| 155 | sms_free(sms); |
| 156 | } |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 157 | |
| 158 | /* Destroy this transaction */ |
| 159 | trans_free(trans); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 160 | } |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 161 | } |
| 162 | |
| 163 | static int gsm411_mmsms_est_req(struct gsm_trans *trans) |
| 164 | { |
| 165 | /* Subscriber's data shall be associated */ |
| 166 | OSMO_ASSERT(trans->vsub != NULL); |
| 167 | |
| 168 | /* Check if connection is already established */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 169 | if (trans->msc_a != NULL) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 170 | LOG_TRANS(trans, LOGL_DEBUG, "Using an existing connection\n"); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 171 | return gsm411_smc_recv(&trans->sms.smc_inst, |
| 172 | GSM411_MMSMS_EST_CNF, NULL, 0); |
| 173 | } |
| 174 | |
| 175 | /* Initiate Paging procedure */ |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 176 | LOG_TRANS(trans, LOGL_DEBUG, "Initiating Paging due to MMSMS_EST_REQ\n"); |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 177 | trans->paging_request = paging_request_start(trans->vsub, PAGING_CAUSE_SIGNALLING_LOW_PRIO, |
| 178 | mmsms_paging_cb, trans, "MT-SMS"); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 179 | if (!trans->paging_request) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 180 | LOG_TRANS(trans, LOGL_ERROR, "Failed to initiate Paging\n"); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 181 | /* Inform SMC about channel establishment failure */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 182 | gsm411_smc_recv(&trans->sms.smc_inst, GSM411_MMSMS_REL_IND, NULL, 0); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 183 | trans_free(trans); |
| 184 | return -EIO; |
| 185 | } |
| 186 | |
| 187 | return 0; |
| 188 | } |
| 189 | |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 190 | /* Prefix msg with a 04.08/04.11 CP header */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 191 | static int gsm411_cp_sendmsg(struct msgb *msg, struct gsm_trans *trans, |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 192 | uint8_t msg_type) |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 193 | { |
| 194 | struct gsm48_hdr *gh; |
| 195 | |
| 196 | gh = (struct gsm48_hdr *) msgb_push(msg, sizeof(*gh)); |
| 197 | /* Outgoing needs the highest bit set */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 198 | gh->proto_discr = GSM48_PDISC_SMS | (trans->transaction_id<<4); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 199 | gh->msg_type = msg_type; |
Harald Welte | 0e2fa5d | 2018-04-09 16:35:01 +0200 | [diff] [blame] | 200 | OMSC_LINKID_CB(msg) = trans->dlci; |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 201 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 202 | LOG_TRANS(trans, LOGL_DEBUG, "sending CP message (trans=%x)\n", trans->transaction_id); |
Harald Welte (local) | c89a511 | 2009-08-14 10:42:43 +0200 | [diff] [blame] | 203 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 204 | return gsm411_sendmsg(trans, msg); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 205 | } |
| 206 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 207 | /* mm_send: receive MMCCSMS sap message from SMC */ |
| 208 | static int gsm411_mm_send(struct gsm411_smc_inst *inst, int msg_type, |
| 209 | struct msgb *msg, int cp_msg_type) |
| 210 | { |
| 211 | struct gsm_trans *trans = |
| 212 | container_of(inst, struct gsm_trans, sms.smc_inst); |
| 213 | int rc = 0; |
| 214 | |
| 215 | switch (msg_type) { |
| 216 | case GSM411_MMSMS_EST_REQ: |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 217 | rc = gsm411_mmsms_est_req(trans); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 218 | msgb_free(msg); /* upper layer does not free msg */ |
| 219 | break; |
| 220 | case GSM411_MMSMS_DATA_REQ: |
| 221 | rc = gsm411_cp_sendmsg(msg, trans, cp_msg_type); |
| 222 | break; |
| 223 | case GSM411_MMSMS_REL_REQ: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 224 | LOG_TRANS(trans, LOGL_DEBUG, "Got MMSMS_REL_REQ, destroying transaction.\n"); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 225 | msgb_free(msg); |
| 226 | trans_free(trans); |
| 227 | break; |
| 228 | default: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 229 | LOG_TRANS(trans, LOGL_NOTICE, "Unhandled MMCCSMS msg 0x%x\n", msg_type); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 230 | msgb_free(msg); |
| 231 | rc = -EINVAL; |
| 232 | } |
| 233 | |
| 234 | return rc; |
| 235 | } |
| 236 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 237 | /* mm_send: receive MNCCSMS sap message from SMR */ |
| 238 | int gsm411_mn_send(struct gsm411_smr_inst *inst, int msg_type, |
| 239 | struct msgb *msg) |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 240 | { |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 241 | struct gsm_trans *trans = |
| 242 | container_of(inst, struct gsm_trans, sms.smr_inst); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 243 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 244 | /* forward to SMC */ |
| 245 | return gsm411_smc_send(&trans->sms.smc_inst, msg_type, msg); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 246 | } |
| 247 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 248 | static int gsm340_rx_sms_submit(struct gsm_trans *trans, struct gsm_sms *gsms) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 249 | { |
| 250 | if (db_sms_store(gsms) != 0) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 251 | LOG_TRANS(trans, LOGL_ERROR, "Failed to store SMS in Database\n"); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 252 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 253 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 254 | /* dispatch a signal to tell higher level about it */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 255 | send_signal(S_SMS_SUBMITTED, NULL, gsms, 0); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 256 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 257 | return 0; |
| 258 | } |
| 259 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 260 | /* generate a TPDU address field compliant with 03.40 sec. 9.1.2.5 */ |
Holger Hans Peter Freyther | 366c331 | 2012-11-10 18:24:54 +0100 | [diff] [blame] | 261 | static int gsm340_gen_oa_sub(uint8_t *oa, unsigned int oa_len, |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 262 | const struct gsm_sms_addr *src) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 263 | { |
Holger Hans Peter Freyther | 366c331 | 2012-11-10 18:24:54 +0100 | [diff] [blame] | 264 | /* network specific, private numbering plan */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 265 | return gsm340_gen_oa(oa, oa_len, src->ton, src->npi, src->addr); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 266 | } |
| 267 | |
Alexander Chemeris | 9e15e18 | 2014-03-08 23:54:28 +0100 | [diff] [blame] | 268 | /* generate a msgb containing an 03.40 9.2.2.1 SMS-DELIVER TPDU derived from |
| 269 | * struct gsm_sms, returns total size of TPDU */ |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 270 | static int gsm340_gen_sms_deliver_tpdu(struct gsm_trans *trans, struct msgb *msg, struct gsm_sms *sms) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 271 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 272 | uint8_t *smsp; |
| 273 | uint8_t oa[12]; /* max len per 03.40 */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 274 | uint8_t octet_len; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 275 | unsigned int old_msg_len = msg->len; |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 276 | int oa_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 277 | |
| 278 | /* generate first octet with masked bits */ |
| 279 | smsp = msgb_put(msg, 1); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 280 | /* TP-MTI (message type indicator) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 281 | *smsp = GSM340_SMS_DELIVER_SC2MS; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 282 | /* TP-MMS (more messages to send) */ |
| 283 | if (0 /* FIXME */) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 284 | *smsp |= 0x04; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 285 | /* TP-SRI(deliver)/SRR(submit) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 286 | if (sms->status_rep_req) |
| 287 | *smsp |= 0x20; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 288 | /* TP-UDHI (indicating TP-UD contains a header) */ |
| 289 | if (sms->ud_hdr_ind) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 290 | *smsp |= 0x40; |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 291 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 292 | /* generate originator address */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 293 | oa_len = gsm340_gen_oa_sub(oa, sizeof(oa), &sms->src); |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 294 | if (oa_len < 0) |
| 295 | return -ENOSPC; |
| 296 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 297 | smsp = msgb_put(msg, oa_len); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 298 | memcpy(smsp, oa, oa_len); |
| 299 | |
| 300 | /* generate TP-PID */ |
| 301 | smsp = msgb_put(msg, 1); |
| 302 | *smsp = sms->protocol_id; |
| 303 | |
| 304 | /* generate TP-DCS */ |
| 305 | smsp = msgb_put(msg, 1); |
| 306 | *smsp = sms->data_coding_scheme; |
| 307 | |
| 308 | /* generate TP-SCTS */ |
| 309 | smsp = msgb_put(msg, 7); |
| 310 | gsm340_gen_scts(smsp, time(NULL)); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 311 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 312 | /* generate TP-UDL */ |
| 313 | smsp = msgb_put(msg, 1); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 314 | *smsp = sms->user_data_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 315 | |
| 316 | /* generate TP-UD */ |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 317 | switch (gsm338_get_sms_alphabet(sms->data_coding_scheme)) { |
| 318 | case DCS_7BIT_DEFAULT: |
Daniel Willmann | 9aef145 | 2009-08-13 03:39:07 +0200 | [diff] [blame] | 319 | octet_len = sms->user_data_len*7/8; |
| 320 | if (sms->user_data_len*7%8 != 0) |
| 321 | octet_len++; |
Daniel Willmann | 6b1e822 | 2009-08-12 21:17:06 +0200 | [diff] [blame] | 322 | /* Warning, user_data_len indicates the amount of septets |
| 323 | * (characters), we need amount of octets occupied */ |
Daniel Willmann | 9aef145 | 2009-08-13 03:39:07 +0200 | [diff] [blame] | 324 | smsp = msgb_put(msg, octet_len); |
| 325 | memcpy(smsp, sms->user_data, octet_len); |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 326 | break; |
| 327 | case DCS_UCS2: |
| 328 | case DCS_8BIT_DATA: |
| 329 | smsp = msgb_put(msg, sms->user_data_len); |
| 330 | memcpy(smsp, sms->user_data, sms->user_data_len); |
| 331 | break; |
| 332 | default: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 333 | LOG_TRANS(trans, LOGL_NOTICE, "Unhandled Data Coding Scheme: 0x%02X\n", |
| 334 | sms->data_coding_scheme); |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 335 | break; |
Daniel Willmann | 6b1e822 | 2009-08-12 21:17:06 +0200 | [diff] [blame] | 336 | } |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 337 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 338 | return msg->len - old_msg_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 339 | } |
| 340 | |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 341 | /* As defined by GSM 03.40, Section 9.2.2.3. */ |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 342 | static int gsm340_gen_sms_status_report_tpdu(struct gsm_trans *trans, struct msgb *msg, |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 343 | struct gsm_sms *sms) |
| 344 | { |
| 345 | unsigned int old_msg_len = msg->len; |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 346 | uint8_t oa[12]; /* max len per 03.40 */ |
| 347 | uint8_t *smsp; |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 348 | int oa_len; |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 349 | |
| 350 | /* generate first octet with masked bits */ |
| 351 | smsp = msgb_put(msg, 1); |
| 352 | /* TP-MTI (message type indicator) */ |
| 353 | *smsp = GSM340_SMS_STATUS_REP_SC2MS; |
| 354 | /* TP-MMS (more messages to send) */ |
| 355 | if (0 /* FIXME */) |
| 356 | *smsp |= 0x04; |
| 357 | /* TP-MR (message reference) */ |
| 358 | smsp = msgb_put(msg, 1); |
| 359 | *smsp = sms->msg_ref; |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 360 | |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 361 | /* generate recipient address */ |
Keith | ab9d863 | 2017-08-14 15:06:33 +0200 | [diff] [blame] | 362 | oa_len = gsm340_gen_oa_sub(oa, sizeof(oa), &sms->src); |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 363 | if (oa_len < 0) |
| 364 | return -ENOSPC; |
| 365 | |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 366 | smsp = msgb_put(msg, oa_len); |
| 367 | memcpy(smsp, oa, oa_len); |
| 368 | |
| 369 | /* generate TP-SCTS (Service centre timestamp) */ |
| 370 | smsp = msgb_put(msg, 7); |
Keith | c601adc | 2017-08-16 22:45:07 +0200 | [diff] [blame] | 371 | gsm340_gen_scts(smsp, sms->created); |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 372 | |
| 373 | /* generate TP-DT (Discharge time, in TP-SCTS format). */ |
| 374 | smsp = msgb_put(msg, 7); |
Keith | c601adc | 2017-08-16 22:45:07 +0200 | [diff] [blame] | 375 | gsm340_gen_scts(smsp, sms->created); |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 376 | |
| 377 | /* TP-ST (status) */ |
| 378 | smsp = msgb_put(msg, 1); |
| 379 | /* From GSM 03.40, Section 9.2.3.15, 0x00 means OK. */ |
| 380 | *smsp = 0x00; |
| 381 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 382 | LOG_TRANS(trans, LOGL_INFO, "sending status report for SMS reference %x\n", |
| 383 | sms->msg_ref); |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 384 | |
| 385 | return msg->len - old_msg_len; |
| 386 | } |
| 387 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 388 | static int sms_route_mt_sms(struct gsm_trans *trans, struct gsm_sms *gsms) |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 389 | { |
| 390 | int rc; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 391 | struct msc_a *msc_a = trans->msc_a; |
| 392 | struct gsm_network *net = msc_a_net(msc_a); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 393 | |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 394 | #ifdef BUILD_SMPP |
| 395 | /* |
| 396 | * Route through SMPP first before going to the local database. In case |
| 397 | * of a unroutable message and no local subscriber, SMPP will be tried |
| 398 | * twice. In case of an unknown subscriber continue with the normal |
| 399 | * delivery of the SMS. |
| 400 | */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 401 | if (smpp_route_smpp_first()) { |
| 402 | rc = smpp_try_deliver(gsms, msc_a); |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 403 | if (rc == GSM411_RP_CAUSE_MO_NUM_UNASSIGNED) |
Benoit Bolsee | d34ed57 | 2017-07-05 11:46:55 +0200 | [diff] [blame] | 404 | /* unknown subscriber, try local */ |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 405 | goto try_local; |
| 406 | if (rc < 0) { |
Neels Hofmeyr | 5b1e030 | 2019-05-06 23:45:09 +0200 | [diff] [blame] | 407 | LOG_TRANS(trans, LOGL_ERROR, "SMS delivery error: %d\n", rc); |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 408 | rc = GSM411_RP_CAUSE_MO_TEMP_FAIL; |
| 409 | /* rc will be logged by gsm411_send_rp_error() */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 410 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR]); |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 411 | } |
| 412 | return rc; |
| 413 | } |
| 414 | |
| 415 | try_local: |
| 416 | #endif |
| 417 | |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 418 | /* determine gsms->receiver based on dialled number */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 419 | gsms->receiver = vlr_subscr_find_by_msisdn(net->vlr, gsms->dst.addr, VSUB_USE_SMS_RECEIVER); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 420 | if (!gsms->receiver) { |
| 421 | #ifdef BUILD_SMPP |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 422 | /* Avoid a second look-up */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 423 | if (smpp_route_smpp_first()) { |
| 424 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_NO_RECEIVER]); |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 425 | return GSM411_RP_CAUSE_MO_NUM_UNASSIGNED; |
Alexander Couzens | 7130683 | 2016-07-12 16:52:32 +0200 | [diff] [blame] | 426 | } |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 427 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 428 | rc = smpp_try_deliver(gsms, msc_a); |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 429 | if (rc == GSM411_RP_CAUSE_MO_NUM_UNASSIGNED) { |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 430 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_NO_RECEIVER]); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 431 | } else if (rc < 0) { |
Neels Hofmeyr | 5b1e030 | 2019-05-06 23:45:09 +0200 | [diff] [blame] | 432 | LOG_TRANS(trans, LOGL_ERROR, "SMS delivery error: %d\n", rc); |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 433 | rc = GSM411_RP_CAUSE_MO_TEMP_FAIL; |
| 434 | /* rc will be logged by gsm411_send_rp_error() */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 435 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR]); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 436 | } |
| 437 | #else |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 438 | rc = GSM411_RP_CAUSE_MO_NUM_UNASSIGNED; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 439 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_NO_RECEIVER]); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 440 | #endif |
Harald Welte | 0f2555e | 2017-11-06 03:43:21 +0900 | [diff] [blame] | 441 | } else |
| 442 | rc = 0; |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 443 | |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 444 | return rc; |
| 445 | } |
| 446 | |
| 447 | |
Holger Hans Peter Freyther | acf8a0c | 2010-03-29 08:47:44 +0200 | [diff] [blame] | 448 | /* process an incoming TPDU (called from RP-DATA) |
| 449 | * return value > 0: RP CAUSE for ERROR; < 0: silent error; 0 = success */ |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 450 | static int gsm340_rx_tpdu(struct gsm_trans *trans, struct msgb *msg, |
Pablo Neira Ayuso | fdc9966 | 2017-08-07 14:01:10 +0100 | [diff] [blame] | 451 | uint32_t gsm411_msg_ref) |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 452 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 453 | uint8_t *smsp = msgb_sms(msg); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 454 | struct gsm_sms *gsms; |
Harald Welte | 258c713 | 2011-07-16 13:34:52 +0200 | [diff] [blame] | 455 | unsigned int sms_alphabet; |
Neels Hofmeyr | 58d5430 | 2016-02-24 19:30:52 +0100 | [diff] [blame] | 456 | uint8_t sms_mti, sms_vpf; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 457 | uint8_t *sms_vp; |
| 458 | uint8_t da_len_bytes; |
| 459 | uint8_t address_lv[12]; /* according to 03.40 / 9.1.2.5 */ |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 460 | int rc = 0; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 461 | struct msc_a *msc_a = trans->msc_a; |
| 462 | struct gsm_network *net = msc_a_net(msc_a); |
| 463 | struct vlr_subscr *vsub = msc_a_vsub(msc_a); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 464 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 465 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_SUBMITTED]); |
| 466 | |
| 467 | if (!msc_a || !vsub) |
| 468 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 24ff6ee | 2009-12-22 00:41:05 +0100 | [diff] [blame] | 469 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 470 | gsms = sms_alloc(); |
| 471 | if (!gsms) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 472 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 473 | |
| 474 | /* invert those fields where 0 means active/present */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 475 | sms_mti = *smsp & 0x03; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 476 | sms_vpf = (*smsp & 0x18) >> 3; |
Pablo Neira Ayuso | db5ed3b | 2017-08-07 14:01:21 +0100 | [diff] [blame] | 477 | gsms->status_rep_req = (*smsp & 0x20) >> 5; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 478 | gsms->ud_hdr_ind = (*smsp & 0x40); |
Neels Hofmeyr | 58d5430 | 2016-02-24 19:30:52 +0100 | [diff] [blame] | 479 | /* |
| 480 | * Not evaluating MMS (More Messages to Send) because the |
| 481 | * lchan stays open anyway. |
| 482 | * Not evaluating RP (Reply Path) because we're not aware of its |
| 483 | * benefits. |
| 484 | */ |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 485 | |
| 486 | smsp++; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 487 | gsms->msg_ref = *smsp++; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 488 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 489 | gsms->gsm411.transaction_id = trans->transaction_id; |
| 490 | gsms->gsm411.msg_ref = gsm411_msg_ref; |
| 491 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 492 | /* length in bytes of the destination address */ |
| 493 | da_len_bytes = 2 + *smsp/2 + *smsp%2; |
| 494 | if (da_len_bytes > 12) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 495 | LOG_TRANS(trans, LOGL_ERROR, "Destination Address > 12 bytes ?!?\n"); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 496 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 497 | goto out; |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 498 | } else if (da_len_bytes < 4) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 499 | LOG_TRANS(trans, LOGL_ERROR, "Destination Address < 4 bytes ?!?\n"); |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 500 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
| 501 | goto out; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 502 | } |
Harald Welte | 3cfdb22 | 2009-06-12 02:42:11 +0800 | [diff] [blame] | 503 | memset(address_lv, 0, sizeof(address_lv)); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 504 | memcpy(address_lv, smsp, da_len_bytes); |
| 505 | /* mangle first byte to reflect length in bytes, not digits */ |
Harald Welte | 3cfdb22 | 2009-06-12 02:42:11 +0800 | [diff] [blame] | 506 | address_lv[0] = da_len_bytes - 1; |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 507 | |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 508 | gsms->dst.ton = (address_lv[1] >> 4) & 7; |
| 509 | gsms->dst.npi = address_lv[1] & 0xF; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 510 | /* convert to real number */ |
Neels Hofmeyr | 56f9013 | 2019-04-29 19:14:43 +0200 | [diff] [blame] | 511 | if (gsm48_decode_bcd_number2(gsms->dst.addr, |
| 512 | sizeof(gsms->dst.addr), address_lv, da_len_bytes, 1)) { |
| 513 | LOG_TRANS(trans, LOGL_ERROR, "Failed to decode destination Address\n"); |
| 514 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
| 515 | goto out; |
| 516 | } |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 517 | smsp += da_len_bytes; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 518 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 519 | gsms->protocol_id = *smsp++; |
| 520 | gsms->data_coding_scheme = *smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 521 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 522 | sms_alphabet = gsm338_get_sms_alphabet(gsms->data_coding_scheme); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 523 | if (sms_alphabet == 0xffffffff) { |
Alexander Chemeris | 4ad593c | 2013-10-04 02:42:27 +0200 | [diff] [blame] | 524 | rc = GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
| 525 | goto out; |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 526 | } |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 527 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 528 | switch (sms_vpf) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 529 | case GSM340_TP_VPF_RELATIVE: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 530 | sms_vp = smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 531 | break; |
| 532 | case GSM340_TP_VPF_ABSOLUTE: |
| 533 | case GSM340_TP_VPF_ENHANCED: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 534 | sms_vp = smsp; |
Steffen Neubauer | f326267 | 2009-11-26 12:28:41 +0100 | [diff] [blame] | 535 | /* the additional functionality indicator... */ |
Steffen Neubauer | ac0c13c | 2009-12-05 12:44:41 +0100 | [diff] [blame] | 536 | if (sms_vpf == GSM340_TP_VPF_ENHANCED && *smsp & (1<<7)) |
| 537 | smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 538 | smsp += 7; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 539 | break; |
Daniel Willmann | 58c83d8 | 2009-08-13 03:40:49 +0200 | [diff] [blame] | 540 | case GSM340_TP_VPF_NONE: |
| 541 | sms_vp = 0; |
| 542 | break; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 543 | default: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 544 | LOG_TRANS(trans, LOGL_NOTICE, "SMS Validity period not implemented: 0x%02x\n", sms_vpf); |
Alexander Chemeris | 4ad593c | 2013-10-04 02:42:27 +0200 | [diff] [blame] | 545 | rc = GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
| 546 | goto out; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 547 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 548 | gsms->user_data_len = *smsp++; |
| 549 | if (gsms->user_data_len) { |
| 550 | memcpy(gsms->user_data, smsp, gsms->user_data_len); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 551 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 552 | switch (sms_alphabet) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 553 | case DCS_7BIT_DEFAULT: |
Harald Welte | 5468f76 | 2015-01-01 12:41:17 +0100 | [diff] [blame] | 554 | gsm_7bit_decode_n(gsms->text, sizeof(gsms->text), smsp, |
| 555 | gsms->user_data_len); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 556 | break; |
| 557 | case DCS_8BIT_DATA: |
| 558 | case DCS_UCS2: |
| 559 | case DCS_NONE: |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 560 | break; |
| 561 | } |
| 562 | } |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 563 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 564 | OSMO_STRLCPY_ARRAY(gsms->src.addr, vsub->msisdn); |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 565 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 566 | LOG_TRANS(trans, LOGL_INFO, |
| 567 | "MO SMS -- MTI: 0x%02x, VPF: 0x%02x, " |
| 568 | "MR: 0x%02x PID: 0x%02x, DCS: 0x%02x, DA: %s, " |
| 569 | "UserDataLength: 0x%02x, UserData: \"%s\"\n", |
| 570 | sms_mti, sms_vpf, gsms->msg_ref, |
| 571 | gsms->protocol_id, gsms->data_coding_scheme, gsms->dst.addr, |
| 572 | gsms->user_data_len, |
| 573 | sms_alphabet == DCS_7BIT_DEFAULT ? gsms->text : |
| 574 | osmo_hexdump(gsms->user_data, gsms->user_data_len)); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 575 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 576 | gsms->validity_minutes = gsm340_validity_period(sms_vpf, sms_vp); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 577 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 578 | rc = sms_route_mt_sms(trans, gsms); |
Pablo Neira Ayuso | 3c14803 | 2017-08-07 14:01:13 +0100 | [diff] [blame] | 579 | |
Stefan Sperling | 1e67fea | 2018-01-22 18:33:42 +0100 | [diff] [blame] | 580 | /* |
| 581 | * This SMS got routed through SMPP or no receiver exists. |
| 582 | * In any case, we store it in the database for further processing. |
| 583 | */ |
Pablo Neira Ayuso | 3c14803 | 2017-08-07 14:01:13 +0100 | [diff] [blame] | 584 | |
| 585 | switch (sms_mti) { |
| 586 | case GSM340_SMS_SUBMIT_MS2SC: |
| 587 | /* MS is submitting a SMS */ |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 588 | rc = gsm340_rx_sms_submit(trans, gsms); |
Pablo Neira Ayuso | 3c14803 | 2017-08-07 14:01:13 +0100 | [diff] [blame] | 589 | break; |
| 590 | case GSM340_SMS_COMMAND_MS2SC: |
| 591 | case GSM340_SMS_DELIVER_REP_MS2SC: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 592 | LOG_TRANS(trans, LOGL_NOTICE, "Unimplemented MTI 0x%02x\n", sms_mti); |
Pablo Neira Ayuso | 3c14803 | 2017-08-07 14:01:13 +0100 | [diff] [blame] | 593 | rc = GSM411_RP_CAUSE_IE_NOTEXIST; |
| 594 | break; |
| 595 | default: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 596 | LOG_TRANS(trans, LOGL_NOTICE, "Undefined MTI 0x%02x\n", sms_mti); |
Pablo Neira Ayuso | 3c14803 | 2017-08-07 14:01:13 +0100 | [diff] [blame] | 597 | rc = GSM411_RP_CAUSE_IE_NOTEXIST; |
| 598 | break; |
| 599 | } |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 600 | out: |
Pablo Neira Ayuso | fdc9966 | 2017-08-07 14:01:10 +0100 | [diff] [blame] | 601 | sms_free(gsms); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 602 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 603 | return rc; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 604 | } |
| 605 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 606 | /* Prefix msg with a RP-DATA header and send as SMR DATA */ |
| 607 | static int gsm411_rp_sendmsg(struct gsm411_smr_inst *inst, struct msgb *msg, |
| 608 | uint8_t rp_msg_type, uint8_t rp_msg_ref, |
| 609 | int rl_msg_type) |
| 610 | { |
| 611 | struct gsm411_rp_hdr *rp; |
| 612 | uint8_t len = msg->len; |
| 613 | |
| 614 | /* GSM 04.11 RP-DATA header */ |
| 615 | rp = (struct gsm411_rp_hdr *)msgb_push(msg, sizeof(*rp)); |
| 616 | rp->len = len + 2; |
| 617 | rp->msg_type = rp_msg_type; |
Holger Hans Peter Freyther | ca11443 | 2014-02-08 15:20:48 +0100 | [diff] [blame] | 618 | rp->msg_ref = rp_msg_ref; |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 619 | |
| 620 | return gsm411_smr_send(inst, rl_msg_type, msg); |
| 621 | } |
| 622 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 623 | int gsm411_send_rp_ack(struct gsm_trans *trans, uint8_t msg_ref) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 624 | { |
| 625 | struct msgb *msg = gsm411_msgb_alloc(); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 626 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 627 | LOG_TRANS(trans, LOGL_DEBUG, "TX: SMS RP ACK\n"); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 628 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 629 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, GSM411_MT_RP_ACK_MT, |
| 630 | msg_ref, GSM411_SM_RL_REPORT_REQ); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 631 | } |
| 632 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 633 | int gsm411_send_rp_error(struct gsm_trans *trans, uint8_t msg_ref, |
| 634 | uint8_t cause) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 635 | { |
| 636 | struct msgb *msg = gsm411_msgb_alloc(); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 637 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 638 | msgb_tv_put(msg, 1, cause); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 639 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 640 | LOG_TRANS(trans, LOGL_NOTICE, "TX: SMS RP ERROR, cause %d (%s)\n", cause, |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 641 | get_value_string(gsm411_rp_cause_strs, cause)); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 642 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 643 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, |
| 644 | GSM411_MT_RP_ERROR_MT, msg_ref, GSM411_SM_RL_REPORT_REQ); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 645 | } |
| 646 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 647 | /* Receive a 04.11 TPDU inside RP-DATA / user data */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 648 | static int gsm411_rx_rp_ud(struct msgb *msg, struct gsm_trans *trans, |
Vadim Yanitskiy | 76ef72d | 2018-11-07 05:08:18 +0700 | [diff] [blame] | 649 | struct gsm411_rp_hdr *rph, |
| 650 | uint8_t *dst, uint8_t dst_len) |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 651 | { |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 652 | int rc = 0; |
| 653 | |
Vadim Yanitskiy | 76ef72d | 2018-11-07 05:08:18 +0700 | [diff] [blame] | 654 | if (trans->net->sms_over_gsup) { |
| 655 | /* RP-ACK or RP-ERROR is triggered as soon as we get the response */ |
| 656 | rc = gsm411_gsup_mo_fwd_sm_req(trans, msg, rph->msg_ref, dst, dst_len); |
| 657 | if (rc) /* GSUP message sending error */ |
| 658 | return gsm411_send_rp_error(trans, rph->msg_ref, rc); |
| 659 | |
| 660 | return 0; |
| 661 | } |
| 662 | |
Pablo Neira Ayuso | fdc9966 | 2017-08-07 14:01:10 +0100 | [diff] [blame] | 663 | rc = gsm340_rx_tpdu(trans, msg, rph->msg_ref); |
| 664 | if (rc == 0) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 665 | return gsm411_send_rp_ack(trans, rph->msg_ref); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 666 | else if (rc > 0) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 667 | return gsm411_send_rp_error(trans, rph->msg_ref, rc); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 668 | else |
| 669 | return rc; |
| 670 | } |
| 671 | |
| 672 | /* Receive a 04.11 RP-DATA message in accordance with Section 7.3.1.2 */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 673 | static int gsm411_rx_rp_data(struct msgb *msg, struct gsm_trans *trans, |
| 674 | struct gsm411_rp_hdr *rph) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 675 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 676 | uint8_t src_len, dst_len, rpud_len; |
| 677 | uint8_t *src = NULL, *dst = NULL , *rp_ud = NULL; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 678 | |
| 679 | /* in the MO case, this should always be zero length */ |
| 680 | src_len = rph->data[0]; |
| 681 | if (src_len) |
| 682 | src = &rph->data[1]; |
| 683 | |
| 684 | dst_len = rph->data[1+src_len]; |
| 685 | if (dst_len) |
| 686 | dst = &rph->data[1+src_len+1]; |
| 687 | |
| 688 | rpud_len = rph->data[1+src_len+1+dst_len]; |
| 689 | if (rpud_len) |
| 690 | rp_ud = &rph->data[1+src_len+1+dst_len+1]; |
| 691 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 692 | LOG_TRANS(trans, LOGL_DEBUG, "RX_RP-DATA: src_len=%u, dst_len=%u ud_len=%u\n", |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 693 | src_len, dst_len, rpud_len); |
Vadim Yanitskiy | 535f110 | 2018-11-07 03:20:00 +0700 | [diff] [blame] | 694 | |
| 695 | if (src_len && src) |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 696 | LOG_TRANS(trans, LOGL_ERROR, "RP-DATA (MO) with SRC ?!?\n"); |
Vadim Yanitskiy | 535f110 | 2018-11-07 03:20:00 +0700 | [diff] [blame] | 697 | |
| 698 | if (!dst_len || !dst || !rpud_len || !rp_ud) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 699 | LOG_TRANS(trans, LOGL_ERROR, |
Vadim Yanitskiy | 535f110 | 2018-11-07 03:20:00 +0700 | [diff] [blame] | 700 | "RP-DATA (MO) without DST or TPDU ?!?\n"); |
| 701 | gsm411_send_rp_error(trans, rph->msg_ref, |
| 702 | GSM411_RP_CAUSE_INV_MAND_INF); |
| 703 | return -EIO; |
| 704 | } |
| 705 | |
| 706 | msg->l4h = rp_ud; |
| 707 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 708 | LOG_TRANS(trans, LOGL_DEBUG, "DST(%u,%s)\n", dst_len, osmo_hexdump(dst, dst_len)); |
Vadim Yanitskiy | 535f110 | 2018-11-07 03:20:00 +0700 | [diff] [blame] | 709 | |
Vadim Yanitskiy | 76ef72d | 2018-11-07 05:08:18 +0700 | [diff] [blame] | 710 | return gsm411_rx_rp_ud(msg, trans, rph, dst, dst_len); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 711 | } |
| 712 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 713 | static struct gsm_sms *sms_report_alloc(struct gsm_sms *sms, struct gsm_trans *trans) |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 714 | { |
| 715 | struct gsm_sms *sms_report; |
| 716 | int len; |
| 717 | |
| 718 | sms_report = sms_alloc(); |
| 719 | OSMO_ASSERT(sms_report); |
| 720 | |
| 721 | sms_report->msg_ref = sms->msg_ref; |
| 722 | sms_report->protocol_id = sms->protocol_id; |
| 723 | sms_report->data_coding_scheme = GSM338_DCS_1111_8BIT_DATA; |
| 724 | |
| 725 | /* Invert address to send status report back to origin. */ |
| 726 | sms_report->src = sms->dst; |
| 727 | sms_report->dst = sms->src; |
| 728 | |
| 729 | /* As specified by Appendix B. Delivery Receipt Format. |
| 730 | * TODO: Many fields in this string are just set with dummy values, |
| 731 | * revisit this. |
| 732 | */ |
| 733 | len = snprintf((char *)sms_report->user_data, |
| 734 | sizeof(sms_report->user_data), |
| 735 | "id:%.08llu sub:000 dlvrd:000 submit date:YYMMDDhhmm done date:YYMMDDhhmm stat:DELIVRD err:000 text:%.20s", |
Keith | 04982bd | 2017-08-14 15:11:57 +0200 | [diff] [blame] | 736 | sms->id, sms->text); |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 737 | sms_report->user_data_len = len; |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 738 | LOG_TRANS(trans, LOGL_NOTICE, "%s\n", sms_report->user_data); |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 739 | |
| 740 | /* This represents a sms report. */ |
| 741 | sms_report->is_report = true; |
| 742 | |
| 743 | return sms_report; |
| 744 | } |
| 745 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 746 | static void sms_status_report(struct gsm_sms *gsms, struct gsm_trans *trans) |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 747 | { |
| 748 | struct gsm_sms *sms_report; |
| 749 | int rc; |
| 750 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 751 | sms_report = sms_report_alloc(gsms, trans); |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 752 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 753 | rc = sms_route_mt_sms(trans, sms_report); |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 754 | if (rc < 0) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 755 | LOG_TRANS(trans, LOGL_ERROR, "Failed to send status report! err=%d\n", rc); |
| 756 | return; |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 757 | } |
Pablo Neira Ayuso | 27aed14 | 2017-08-07 16:17:17 +0200 | [diff] [blame] | 758 | |
| 759 | /* No route via SMPP, send the GSM 03.40 status-report now. */ |
Keith Whyte | bea25f1 | 2018-11-16 13:29:05 +0000 | [diff] [blame] | 760 | if (sms_report->receiver) |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 761 | gsm340_rx_sms_submit(trans, sms_report); |
Pablo Neira Ayuso | 27aed14 | 2017-08-07 16:17:17 +0200 | [diff] [blame] | 762 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 763 | LOG_TRANS(trans, LOGL_NOTICE, "Status report has been sent\n"); |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 764 | |
| 765 | sms_free(sms_report); |
| 766 | } |
| 767 | |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 768 | /* Receive a 04.11 RP-ACK message (response to RP-DATA from us) */ |
Vadim Yanitskiy | 0c8998f | 2018-11-22 16:54:36 +0700 | [diff] [blame] | 769 | static int gsm411_rx_rp_ack(struct gsm_trans *trans, |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 770 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 771 | { |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 772 | struct gsm_sms *sms = trans->sms.sms; |
| 773 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 774 | /* Acnkowledgement to MT RP_DATA, i.e. the MS confirms it |
| 775 | * successfully received a SMS. We can now safely mark it as |
| 776 | * transmitted */ |
| 777 | |
Vadim Yanitskiy | 82cc8a5 | 2018-11-15 01:05:53 +0700 | [diff] [blame] | 778 | if (trans->net->sms_over_gsup) { |
| 779 | /* Forward towards SMSC via GSUP */ |
| 780 | return gsm411_gsup_mt_fwd_sm_res(trans, rph->msg_ref); |
| 781 | } |
| 782 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 783 | if (!sms) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 784 | LOG_TRANS(trans, LOGL_ERROR, "RX RP-ACK but no sms in transaction?!?\n"); |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 785 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 786 | GSM411_RP_CAUSE_PROTOCOL_ERR); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 787 | } |
| 788 | |
| 789 | /* mark this SMS as sent in database */ |
Alexander Chemeris | 1e77e3d | 2014-03-08 21:27:37 +0100 | [diff] [blame] | 790 | db_sms_mark_delivered(sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 791 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 792 | send_signal(S_SMS_DELIVERED, trans, sms, 0); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 793 | |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 794 | if (sms->status_rep_req) |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 795 | sms_status_report(sms, trans); |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 796 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 797 | sms_free(sms); |
| 798 | trans->sms.sms = NULL; |
| 799 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 800 | return 0; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 801 | } |
| 802 | |
Vadim Yanitskiy | 0c8998f | 2018-11-22 16:54:36 +0700 | [diff] [blame] | 803 | static int gsm411_rx_rp_error(struct gsm_trans *trans, |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 804 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 805 | { |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 806 | struct msc_a *msc_a = trans->msc_a; |
| 807 | struct gsm_network *net = msc_a_net(msc_a); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 808 | struct gsm_sms *sms = trans->sms.sms; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 809 | uint8_t cause_len = rph->data[0]; |
| 810 | uint8_t cause = rph->data[1]; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 811 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 812 | /* Error in response to MT RP_DATA, i.e. the MS did not |
| 813 | * successfully receive the SMS. We need to investigate |
| 814 | * the cause and take action depending on it */ |
| 815 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 816 | LOG_TRANS(trans, LOGL_NOTICE, "RX SMS RP-ERROR, cause %d:%d (%s)\n", |
| 817 | cause_len, cause, get_value_string(gsm411_rp_cause_strs, cause)); |
Harald Welte | 3e0f617 | 2009-07-09 23:52:59 +0200 | [diff] [blame] | 818 | |
Vadim Yanitskiy | 82cc8a5 | 2018-11-15 01:05:53 +0700 | [diff] [blame] | 819 | if (trans->net->sms_over_gsup) { |
| 820 | /* Forward towards SMSC via GSUP */ |
| 821 | return gsm411_gsup_mt_fwd_sm_err(trans, rph->msg_ref, cause); |
| 822 | } |
| 823 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 824 | if (!sms) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 825 | LOG_TRANS(trans, LOGL_ERROR, "RX RP-ERR, but no sms in transaction?!?\n"); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 826 | return -EINVAL; |
| 827 | #if 0 |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 828 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 829 | GSM411_RP_CAUSE_PROTOCOL_ERR); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 830 | #endif |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 831 | } |
| 832 | |
| 833 | if (cause == GSM411_RP_CAUSE_MT_MEM_EXCEEDED) { |
| 834 | /* MS has not enough memory to store the message. We need |
Holger Hans Peter Freyther | dd715bd | 2010-12-23 22:23:15 +0100 | [diff] [blame] | 835 | * to store this in our database and wait for a SMMA message */ |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 836 | /* FIXME */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 837 | send_signal(S_SMS_MEM_EXCEEDED, trans, sms, 0); |
Alexander Couzens | b847a21 | 2016-08-02 11:34:11 +0200 | [diff] [blame] | 838 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_RP_ERR_MEM]); |
Holger Hans Peter Freyther | 0eb7666 | 2010-12-24 09:47:04 +0100 | [diff] [blame] | 839 | } else { |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 840 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
Alexander Couzens | b847a21 | 2016-08-02 11:34:11 +0200 | [diff] [blame] | 841 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_RP_ERR_OTHER]); |
Holger Hans Peter Freyther | 0eb7666 | 2010-12-24 09:47:04 +0100 | [diff] [blame] | 842 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 843 | |
| 844 | sms_free(sms); |
| 845 | trans->sms.sms = NULL; |
| 846 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 847 | return 0; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 848 | } |
| 849 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 850 | static int gsm411_rx_rp_smma(struct msgb *msg, struct gsm_trans *trans, |
| 851 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 852 | { |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 853 | int rc; |
| 854 | |
Vadim Yanitskiy | 76ef72d | 2018-11-07 05:08:18 +0700 | [diff] [blame] | 855 | if (trans->net->sms_over_gsup) { |
| 856 | /* RP-ACK or RP-ERROR is triggered as soon as we get the response */ |
| 857 | rc = gsm411_gsup_mo_ready_for_sm_req(trans, rph->msg_ref); |
| 858 | if (rc) /* GSUP message sending error */ |
| 859 | return gsm411_send_rp_error(trans, rph->msg_ref, rc); |
| 860 | |
| 861 | return 0; |
| 862 | } |
| 863 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 864 | rc = gsm411_send_rp_ack(trans, rph->msg_ref); |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 865 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 866 | /* MS tells us that it has memory for more SMS, we need |
| 867 | * to check if we have any pending messages for it and then |
| 868 | * transfer those */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 869 | send_signal(S_SMS_SMMA, trans, NULL, 0); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 870 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 871 | return rc; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 872 | } |
| 873 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 874 | /* receive RL DATA */ |
| 875 | static int gsm411_rx_rl_data(struct msgb *msg, struct gsm48_hdr *gh, |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 876 | struct gsm_trans *trans) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 877 | { |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 878 | struct gsm411_rp_hdr *rp_data = (struct gsm411_rp_hdr*)&gh->data; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 879 | uint8_t msg_type = rp_data->msg_type & 0x07; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 880 | int rc = 0; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 881 | |
| 882 | switch (msg_type) { |
| 883 | case GSM411_MT_RP_DATA_MO: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 884 | LOG_TRANS(trans, LOGL_DEBUG, "RX SMS RP-DATA (MO)\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 885 | rc = gsm411_rx_rp_data(msg, trans, rp_data); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 886 | break; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 887 | case GSM411_MT_RP_SMMA_MO: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 888 | LOG_TRANS(trans, LOGL_DEBUG, "RX SMS RP-SMMA\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 889 | rc = gsm411_rx_rp_smma(msg, trans, rp_data); |
| 890 | break; |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 891 | default: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 892 | LOG_TRANS(trans, LOGL_NOTICE, "Invalid RP type 0x%02x\n", msg_type); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 893 | rc = -EINVAL; |
| 894 | break; |
| 895 | } |
| 896 | |
| 897 | return rc; |
| 898 | } |
| 899 | |
| 900 | /* receive RL REPORT */ |
| 901 | static int gsm411_rx_rl_report(struct msgb *msg, struct gsm48_hdr *gh, |
| 902 | struct gsm_trans *trans) |
| 903 | { |
| 904 | struct gsm411_rp_hdr *rp_data = (struct gsm411_rp_hdr*)&gh->data; |
| 905 | uint8_t msg_type = rp_data->msg_type & 0x07; |
| 906 | int rc = 0; |
| 907 | |
| 908 | switch (msg_type) { |
| 909 | case GSM411_MT_RP_ACK_MO: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 910 | LOG_TRANS(trans, LOGL_DEBUG, "RX SMS RP-ACK (MO)\n"); |
Vadim Yanitskiy | 0c8998f | 2018-11-22 16:54:36 +0700 | [diff] [blame] | 911 | rc = gsm411_rx_rp_ack(trans, rp_data); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 912 | break; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 913 | case GSM411_MT_RP_ERROR_MO: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 914 | LOG_TRANS(trans, LOGL_DEBUG, "RX SMS RP-ERROR (MO)\n"); |
Vadim Yanitskiy | 0c8998f | 2018-11-22 16:54:36 +0700 | [diff] [blame] | 915 | rc = gsm411_rx_rp_error(trans, rp_data); |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 916 | break; |
| 917 | default: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 918 | LOG_TRANS(trans, LOGL_NOTICE, "Invalid RP type 0x%02x\n", msg_type); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 919 | rc = -EINVAL; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 920 | break; |
| 921 | } |
| 922 | |
| 923 | return rc; |
| 924 | } |
| 925 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 926 | /* receive SM-RL sap message from SMR |
| 927 | * NOTE: Message is freed by sender |
| 928 | */ |
| 929 | int gsm411_rl_recv(struct gsm411_smr_inst *inst, int msg_type, |
| 930 | struct msgb *msg) |
| 931 | { |
| 932 | struct gsm_trans *trans = |
| 933 | container_of(inst, struct gsm_trans, sms.smr_inst); |
| 934 | struct gsm48_hdr *gh = msgb_l3(msg); |
| 935 | int rc = 0; |
| 936 | |
| 937 | switch (msg_type) { |
| 938 | case GSM411_SM_RL_DATA_IND: |
| 939 | rc = gsm411_rx_rl_data(msg, gh, trans); |
| 940 | break; |
| 941 | case GSM411_SM_RL_REPORT_IND: |
| 942 | if (gh) |
| 943 | rc = gsm411_rx_rl_report(msg, gh, trans); |
| 944 | break; |
| 945 | default: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 946 | LOG_TRANS(trans, LOGL_NOTICE, "Unhandled SM-RL message 0x%x\n", msg_type); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 947 | rc = -EINVAL; |
| 948 | } |
| 949 | |
| 950 | return rc; |
| 951 | } |
| 952 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 953 | /* receive MNCCSMS sap message from SMC |
| 954 | * NOTE: Message is freed by sender |
| 955 | */ |
| 956 | static int gsm411_mn_recv(struct gsm411_smc_inst *inst, int msg_type, |
| 957 | struct msgb *msg) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 958 | { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 959 | struct gsm_trans *trans = |
| 960 | container_of(inst, struct gsm_trans, sms.smc_inst); |
| 961 | struct gsm48_hdr *gh = msgb_l3(msg); |
| 962 | int rc = 0; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 963 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 964 | switch (msg_type) { |
| 965 | case GSM411_MNSMS_EST_IND: |
| 966 | case GSM411_MNSMS_DATA_IND: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 967 | LOG_TRANS(trans, LOGL_DEBUG, "MNSMS-DATA/EST-IND\n"); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 968 | rc = gsm411_smr_recv(&trans->sms.smr_inst, msg_type, msg); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 969 | break; |
| 970 | case GSM411_MNSMS_ERROR_IND: |
| 971 | if (gh) |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 972 | LOG_TRANS(trans, LOGL_DEBUG, "MNSMS-ERROR-IND, cause %d (%s)\n", |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 973 | gh->data[0], |
| 974 | get_value_string(gsm411_cp_cause_strs, |
| 975 | gh->data[0])); |
| 976 | else |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 977 | LOG_TRANS(trans, LOGL_DEBUG, "MNSMS-ERROR-IND, no cause\n"); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 978 | rc = gsm411_smr_recv(&trans->sms.smr_inst, msg_type, msg); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 979 | break; |
| 980 | default: |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 981 | LOG_TRANS(trans, LOGL_NOTICE, "Unhandled MNCCSMS msg 0x%x\n", msg_type); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 982 | rc = -EINVAL; |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 983 | } |
Holger Hans Peter Freyther | 09e364b | 2009-08-10 07:59:27 +0200 | [diff] [blame] | 984 | |
| 985 | return rc; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 986 | } |
| 987 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 988 | static struct gsm_trans *gsm411_trans_init(struct gsm_network *net, struct vlr_subscr *vsub, struct msc_a *msc_a, |
| 989 | uint8_t tid, bool mo) |
Max | 0e8dfad | 2019-01-16 12:05:30 +0100 | [diff] [blame] | 990 | { |
| 991 | /* Allocate a new transaction */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 992 | struct gsm_trans *trans = trans_alloc(net, vsub, TRANS_SMS, tid, new_callref++); |
Max | 0e8dfad | 2019-01-16 12:05:30 +0100 | [diff] [blame] | 993 | if (!trans) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 994 | LOG_TRANS(trans, LOGL_ERROR, "No memory for transaction\n"); |
Max | 0e8dfad | 2019-01-16 12:05:30 +0100 | [diff] [blame] | 995 | return NULL; |
| 996 | } |
| 997 | |
| 998 | /* Init both SMC and SMR state machines */ |
| 999 | gsm411_smc_init(&trans->sms.smc_inst, 0, 1, gsm411_mn_recv, gsm411_mm_send); |
| 1000 | gsm411_smr_init(&trans->sms.smr_inst, 0, 1, gsm411_rl_recv, gsm411_mn_send); |
| 1001 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1002 | if (msc_a) { |
| 1003 | msc_a_get(msc_a, MSC_A_USE_SMS); |
| 1004 | trans->msc_a = msc_a; |
| 1005 | |
| 1006 | osmo_fsm_inst_dispatch(msc_a->c.fi, MSC_A_EV_TRANSACTION_ACCEPTED, trans); |
| 1007 | if (mo) { |
| 1008 | if (!osmo_use_count_by(&msc_a->use_count, MSC_A_USE_CM_SERVICE_SMS)) |
| 1009 | LOG_TRANS(trans, LOGL_ERROR, "MO SMS without prior CM Service Request\n"); |
| 1010 | else |
| 1011 | msc_a_put(msc_a, MSC_A_USE_CM_SERVICE_SMS); |
| 1012 | } |
| 1013 | } |
| 1014 | |
| 1015 | /* Init both SMC and SMR state machines */ |
| 1016 | gsm411_smc_init(&trans->sms.smc_inst, 0, 1, |
| 1017 | gsm411_mn_recv, gsm411_mm_send); |
| 1018 | gsm411_smr_init(&trans->sms.smr_inst, 0, 1, |
| 1019 | gsm411_rl_recv, gsm411_mn_send); |
Max | 0e8dfad | 2019-01-16 12:05:30 +0100 | [diff] [blame] | 1020 | |
| 1021 | return trans; |
| 1022 | } |
| 1023 | |
Vadim Yanitskiy | c7de62c | 2019-01-18 16:01:50 +0700 | [diff] [blame] | 1024 | /* Assigns an (unused) SM-RP-MR value to a given transaction */ |
| 1025 | static int gsm411_assign_sm_rp_mr(struct gsm_trans *trans) |
| 1026 | { |
| 1027 | uint8_t mr; |
| 1028 | |
| 1029 | /* After allocation a given transaction has zero-initialized |
| 1030 | * SM-RP-MR value, so trans_find_by_sm_rp_mr() may consider |
| 1031 | * 0x00 as used. This is why we "poison" this transaction |
| 1032 | * using the highest value. */ |
| 1033 | trans->sms.sm_rp_mr = 0xff; |
| 1034 | |
| 1035 | /* According to 8.2.3, MR is in the range 0 through 255 */ |
| 1036 | for (mr = 0x00; mr < 0xff; mr++) { |
| 1037 | if (trans_find_by_sm_rp_mr(trans->net, trans->vsub, mr)) |
| 1038 | continue; /* this MR is busy, find another one */ |
| 1039 | /* An unused value has been found, assign it */ |
| 1040 | trans->sms.sm_rp_mr = mr; |
| 1041 | return 0; |
| 1042 | } |
| 1043 | |
| 1044 | /* All possible values are busy */ |
| 1045 | return -EBUSY; |
| 1046 | } |
| 1047 | |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1048 | static struct gsm_trans *gsm411_alloc_mt_trans(struct gsm_network *net, |
| 1049 | struct vlr_subscr *vsub) |
| 1050 | { |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1051 | struct msc_a *msc_a; |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1052 | struct gsm_trans *trans = NULL; |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1053 | int tid; |
| 1054 | |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1055 | /* Generate a new transaction ID */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1056 | tid = trans_assign_trans_id(net, vsub, TRANS_SMS); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1057 | if (tid == -1) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1058 | LOG_TRANS(trans, LOGL_ERROR, "No available transaction IDs\n"); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1059 | return NULL; |
| 1060 | } |
| 1061 | |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1062 | /* Attempt to find an existing connection */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1063 | msc_a = msc_a_for_vsub(vsub, true); |
Max | 0e8dfad | 2019-01-16 12:05:30 +0100 | [diff] [blame] | 1064 | |
| 1065 | /* Allocate a new transaction */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1066 | trans = gsm411_trans_init(net, vsub, msc_a, tid, false); |
Max | 0e8dfad | 2019-01-16 12:05:30 +0100 | [diff] [blame] | 1067 | if (!trans) |
| 1068 | return NULL; |
| 1069 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1070 | LOG_TRANS(trans, LOGL_INFO, "Going to send a MT SMS\n"); |
| 1071 | |
Vadim Yanitskiy | c7de62c | 2019-01-18 16:01:50 +0700 | [diff] [blame] | 1072 | /* Assign a unique SM-RP Message Reference */ |
| 1073 | if (gsm411_assign_sm_rp_mr(trans) != 0) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1074 | LOG_TRANS(trans, LOGL_ERROR, "Failed to assign SM-RP-MR\n"); |
Vadim Yanitskiy | c7de62c | 2019-01-18 16:01:50 +0700 | [diff] [blame] | 1075 | trans_free(trans); |
| 1076 | return NULL; |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1077 | } |
| 1078 | |
Vadim Yanitskiy | 14e32a4 | 2018-11-30 19:10:37 +0700 | [diff] [blame] | 1079 | /* Use SAPI 3 (see GSM 04.11, section 2.3) */ |
| 1080 | trans->dlci = UM_SAPI_SMS; |
| 1081 | |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1082 | return trans; |
| 1083 | } |
| 1084 | |
| 1085 | /* High-level function to send an SMS to a given subscriber */ |
| 1086 | int gsm411_send_sms(struct gsm_network *net, |
| 1087 | struct vlr_subscr *vsub, |
| 1088 | struct gsm_sms *sms) |
| 1089 | { |
| 1090 | uint8_t *data, *rp_ud_len; |
| 1091 | struct gsm_trans *trans; |
| 1092 | struct msgb *msg; |
| 1093 | int rc; |
| 1094 | |
| 1095 | /* Allocate a new transaction for MT SMS */ |
| 1096 | trans = gsm411_alloc_mt_trans(net, vsub); |
| 1097 | if (!trans) { |
| 1098 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
| 1099 | sms_free(sms); |
| 1100 | return -ENOMEM; |
| 1101 | } |
| 1102 | |
| 1103 | /* Allocate a message buffer for to be encoded SMS */ |
| 1104 | msg = gsm411_msgb_alloc(); |
| 1105 | if (!msg) { |
| 1106 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
| 1107 | trans_free(trans); |
| 1108 | sms_free(sms); |
| 1109 | return -ENOMEM; |
| 1110 | } |
| 1111 | |
| 1112 | /* Hardcode SMSC Originating Address for now */ |
| 1113 | data = (uint8_t *)msgb_put(msg, 8); |
| 1114 | data[0] = 0x07; /* originator length == 7 */ |
| 1115 | data[1] = 0x91; /* type of number: international, ISDN */ |
| 1116 | data[2] = 0x44; /* 447785016005 */ |
| 1117 | data[3] = 0x77; |
| 1118 | data[4] = 0x58; |
| 1119 | data[5] = 0x10; |
| 1120 | data[6] = 0x06; |
| 1121 | data[7] = 0x50; |
| 1122 | |
| 1123 | /* Hardcoded Destination Address */ |
| 1124 | data = (uint8_t *)msgb_put(msg, 1); |
| 1125 | data[0] = 0; /* destination length == 0 */ |
| 1126 | |
| 1127 | /* obtain a pointer for the rp_ud_len, so we can fill it later */ |
| 1128 | rp_ud_len = (uint8_t *)msgb_put(msg, 1); |
| 1129 | |
| 1130 | if (sms->is_report) { |
| 1131 | /* generate the 03.40 SMS-STATUS-REPORT TPDU */ |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1132 | rc = gsm340_gen_sms_status_report_tpdu(trans, msg, sms); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1133 | } else { |
| 1134 | /* generate the 03.40 SMS-DELIVER TPDU */ |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1135 | rc = gsm340_gen_sms_deliver_tpdu(trans, msg, sms); |
Vadim Yanitskiy | 24e025e | 2018-11-22 15:42:39 +0700 | [diff] [blame] | 1136 | } |
| 1137 | if (rc < 0) { |
| 1138 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
| 1139 | sms_free(sms); |
| 1140 | trans_free(trans); |
| 1141 | msgb_free(msg); |
| 1142 | return rc; |
| 1143 | } |
| 1144 | |
| 1145 | *rp_ud_len = rc; |
| 1146 | |
| 1147 | /* Store a pointer to abstract SMS representation */ |
| 1148 | trans->sms.sms = sms; |
| 1149 | |
| 1150 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_DELIVERED]); |
| 1151 | db_sms_inc_deliver_attempts(trans->sms.sms); |
| 1152 | |
| 1153 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, |
| 1154 | GSM411_MT_RP_DATA_MT, trans->sms.sm_rp_mr, |
| 1155 | GSM411_SM_RL_DATA_REQ); |
| 1156 | } |
| 1157 | |
Vadim Yanitskiy | 82cc8a5 | 2018-11-15 01:05:53 +0700 | [diff] [blame] | 1158 | /* Low-level function to send raw RP-DATA to a given subscriber */ |
| 1159 | int gsm411_send_rp_data(struct gsm_network *net, struct vlr_subscr *vsub, |
| 1160 | size_t sm_rp_oa_len, const uint8_t *sm_rp_oa, |
| 1161 | size_t sm_rp_ud_len, const uint8_t *sm_rp_ud) |
| 1162 | { |
| 1163 | struct gsm_trans *trans; |
| 1164 | struct msgb *msg; |
| 1165 | |
| 1166 | /* Allocate a new transaction for MT SMS */ |
| 1167 | trans = gsm411_alloc_mt_trans(net, vsub); |
| 1168 | if (!trans) |
| 1169 | return -ENOMEM; |
| 1170 | |
| 1171 | /* Allocate a message buffer for to be encoded SMS */ |
| 1172 | msg = gsm411_msgb_alloc(); |
| 1173 | if (!msg) { |
| 1174 | trans_free(trans); |
| 1175 | return -ENOMEM; |
| 1176 | } |
| 1177 | |
| 1178 | /* Encode SM-RP-OA (SMSC address) */ |
| 1179 | msgb_lv_put(msg, sm_rp_oa_len, sm_rp_oa); |
| 1180 | |
| 1181 | /* Encode SM-RP-DA (shall be empty, len=0) */ |
| 1182 | msgb_v_put(msg, 0x00); |
| 1183 | |
| 1184 | /* Encode RP-UD itself (SM TPDU) */ |
| 1185 | msgb_lv_put(msg, sm_rp_ud_len, sm_rp_ud); |
| 1186 | |
| 1187 | rate_ctr_inc(&net->msc_ctrs->ctr[MSC_CTR_SMS_DELIVERED]); |
| 1188 | |
| 1189 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, |
| 1190 | GSM411_MT_RP_DATA_MT, trans->sms.sm_rp_mr, |
| 1191 | GSM411_SM_RL_DATA_REQ); |
| 1192 | } |
| 1193 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1194 | /* Entry point for incoming GSM48_PDISC_SMS from abis_rsl.c */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1195 | int gsm0411_rcv_sms(struct msc_a *msc_a, struct msgb *msg) |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 1196 | { |
| 1197 | struct gsm48_hdr *gh = msgb_l3(msg); |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 1198 | uint8_t msg_type = gh->msg_type; |
Neels Hofmeyr | 961bd0b | 2016-03-14 16:13:25 +0100 | [diff] [blame] | 1199 | uint8_t transaction_id = gsm48_hdr_trans_id_flip_ti(gh); |
Vadim Yanitskiy | cfd058d | 2019-01-23 23:34:31 +0700 | [diff] [blame] | 1200 | struct gsm411_rp_hdr *rph = (struct gsm411_rp_hdr *) gh->data; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1201 | struct gsm_trans *trans; |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1202 | int new_trans = 0; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 1203 | int rc = 0; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1204 | struct vlr_subscr *vsub = msc_a_vsub(msc_a); |
| 1205 | struct gsm_network *net = msc_a_net(msc_a); |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 1206 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1207 | trans = trans_find_by_id(msc_a, TRANS_SMS, transaction_id); |
Holger Hans Peter Freyther | ba36bf4 | 2013-01-13 16:23:36 +0100 | [diff] [blame] | 1208 | |
| 1209 | /* |
| 1210 | * A transaction we created but don't know about? |
| 1211 | */ |
| 1212 | if (!trans && (transaction_id & 0x8) == 0) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1213 | LOG_TRANS(trans, LOGL_ERROR, "trans_id=%x allocated by us but known " |
Holger Hans Peter Freyther | ba36bf4 | 2013-01-13 16:23:36 +0100 | [diff] [blame] | 1214 | "to us anymore. We are ignoring it, maybe a CP-ERROR " |
| 1215 | "from a MS?\n", |
| 1216 | transaction_id); |
| 1217 | return -EINVAL; |
| 1218 | } |
| 1219 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1220 | if (!trans) { |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1221 | new_trans = 1; |
| 1222 | trans = gsm411_trans_init(net, vsub, msc_a, transaction_id, true); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1223 | if (!trans) { |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1224 | /* FIXME: send some error message */ |
| 1225 | return -ENOMEM; |
| 1226 | } |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1227 | |
Vadim Yanitskiy | cfd058d | 2019-01-23 23:34:31 +0700 | [diff] [blame] | 1228 | trans->sms.sm_rp_mr = rph->msg_ref; /* SM-RP Message Reference */ |
Harald Welte | 0e2fa5d | 2018-04-09 16:35:01 +0200 | [diff] [blame] | 1229 | trans->dlci = OMSC_LINKID_CB(msg); /* DLCI as received from BSC */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1230 | } |
| 1231 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1232 | LOG_TRANS(trans, LOGL_DEBUG, "receiving SMS message %s\n", |
| 1233 | gsm48_pdisc_msgtype_name(gsm48_hdr_pdisc(gh), gsm48_hdr_msg_type(gh))); |
| 1234 | |
Vadim Yanitskiy | 03e8754 | 2019-04-14 18:34:18 +0700 | [diff] [blame] | 1235 | /* According to section 5.3.4, due to structure of message flow on |
| 1236 | * SAPI 0 and 3 it is possible that the CP-ACK of a short message |
| 1237 | * transfer might not be received. In this case the reception of |
| 1238 | * CP-DATA may be interpreted as the reception of the awaited |
| 1239 | * CP-ACK (implicit) and CP-DATA message. */ |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1240 | if (trans->sms.smc_inst.cp_state == GSM411_CPS_IDLE |
Vadim Yanitskiy | 03e8754 | 2019-04-14 18:34:18 +0700 | [diff] [blame] | 1241 | && msg_type == GSM411_MT_CP_DATA) { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1242 | int i; |
| 1243 | struct gsm_trans *ptrans; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 1244 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1245 | /* Scan through all remote initiated transactions */ |
| 1246 | for (i=8; i<15; i++) { |
| 1247 | if (i == transaction_id) |
| 1248 | continue; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 1249 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1250 | ptrans = trans_find_by_id(msc_a, TRANS_SMS, i); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1251 | if (!ptrans) |
| 1252 | continue; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 1253 | |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1254 | LOG_TRANS(ptrans, LOGL_DEBUG, "Implicit CP-ACK for trans_id=%x\n", i); |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 1255 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1256 | /* Finish it for good */ |
| 1257 | trans_free(ptrans); |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 1258 | } |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 1259 | } |
| 1260 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1261 | gsm411_smc_recv(&trans->sms.smc_inst, |
| 1262 | (new_trans) ? GSM411_MMSMS_EST_IND : GSM411_MMSMS_DATA_IND, |
| 1263 | msg, msg_type); |
| 1264 | |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 1265 | return rc; |
| 1266 | } |
| 1267 | |
Harald Welte (local) | 86b1717 | 2009-08-14 14:52:17 +0200 | [diff] [blame] | 1268 | void _gsm411_sms_trans_free(struct gsm_trans *trans) |
| 1269 | { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1270 | /* cleanup SMS instance */ |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 1271 | gsm411_smr_clear(&trans->sms.smr_inst); |
| 1272 | trans->sms.smr_inst.rl_recv = NULL; |
| 1273 | trans->sms.smr_inst.mn_send = NULL; |
| 1274 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1275 | gsm411_smc_clear(&trans->sms.smc_inst); |
| 1276 | trans->sms.smc_inst.mn_recv = NULL; |
| 1277 | trans->sms.smc_inst.mm_send = NULL; |
| 1278 | |
Holger Hans Peter Freyther | cea722b | 2010-06-15 12:29:37 +0800 | [diff] [blame] | 1279 | if (trans->sms.sms) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1280 | LOG_TRANS(trans, LOGL_ERROR, "Freeing transaction that still contains an SMS -- discarding\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 1281 | send_signal(S_SMS_UNKNOWN_ERROR, trans, trans->sms.sms, 0); |
Holger Hans Peter Freyther | cea722b | 2010-06-15 12:29:37 +0800 | [diff] [blame] | 1282 | sms_free(trans->sms.sms); |
| 1283 | trans->sms.sms = NULL; |
| 1284 | } |
Harald Welte (local) | 86b1717 | 2009-08-14 14:52:17 +0200 | [diff] [blame] | 1285 | } |
| 1286 | |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 1287 | /* Process incoming SAPI N-REJECT from BSC */ |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1288 | void gsm411_sapi_n_reject(struct msc_a *msc_a) |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1289 | { |
Holger Hans Peter Freyther | 79eff7e | 2010-12-27 23:25:53 +0100 | [diff] [blame] | 1290 | struct gsm_network *net; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1291 | struct gsm_trans *trans, *tmp; |
| 1292 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1293 | net = msc_a_net(msc_a); |
Holger Hans Peter Freyther | 79eff7e | 2010-12-27 23:25:53 +0100 | [diff] [blame] | 1294 | |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1295 | llist_for_each_entry_safe(trans, tmp, &net->trans_list, entry) { |
| 1296 | struct gsm_sms *sms; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1297 | |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1298 | if (trans->msc_a != msc_a) |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1299 | continue; |
Neels Hofmeyr | c4628a3 | 2018-12-07 14:47:34 +0100 | [diff] [blame^] | 1300 | if (trans->type != TRANS_SMS) |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1301 | continue; |
| 1302 | |
| 1303 | sms = trans->sms.sms; |
| 1304 | if (!sms) { |
Neels Hofmeyr | ff7074a | 2019-02-28 05:50:06 +0100 | [diff] [blame] | 1305 | LOG_TRANS(trans, LOGL_ERROR, "SAPI Reject but no SMS.\n"); |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1306 | continue; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1307 | } |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1308 | |
| 1309 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
| 1310 | sms_free(sms); |
| 1311 | trans->sms.sms = NULL; |
| 1312 | trans_free(trans); |
| 1313 | } |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1314 | } |
| 1315 | |