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/msc_ifaces.h> |
| 55 | #include <osmocom/msc/osmo_msc.h> |
| 56 | #include <osmocom/msc/vlr.h> |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 57 | |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 58 | #ifdef BUILD_SMPP |
| 59 | #include "smpp_smsc.h" |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 60 | #endif |
| 61 | |
Harald Welte (local) | d19e58b | 2009-08-15 02:30:58 +0200 | [diff] [blame] | 62 | void *tall_gsms_ctx; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 63 | static uint32_t new_callref = 0x40000001; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 64 | |
Holger Hans Peter Freyther | 0fbb3ec | 2010-06-16 14:19:31 +0800 | [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) |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 75 | vlr_subscr_put(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 | |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 93 | sms->receiver = vlr_subscr_get(receiver); |
Max | 98f7467 | 2018-02-05 12:57:06 +0100 | [diff] [blame] | 94 | OSMO_STRLCPY_ARRAY(sms->text, text); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 95 | |
Harald Welte | 39b5548 | 2018-04-09 19:19:33 +0200 | [diff] [blame] | 96 | OSMO_STRLCPY_ARRAY(sms->src.addr, sender_msisdn); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 97 | sms->reply_path_req = 0; |
| 98 | sms->status_rep_req = 0; |
| 99 | sms->ud_hdr_ind = 0; |
| 100 | sms->protocol_id = 0; /* implicit */ |
Holger Hans Peter Freyther | cdfcbee | 2011-01-10 15:34:09 +0100 | [diff] [blame] | 101 | sms->data_coding_scheme = dcs; |
Max | 98f7467 | 2018-02-05 12:57:06 +0100 | [diff] [blame] | 102 | OSMO_STRLCPY_ARRAY(sms->dst.addr, receiver->msisdn); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 103 | /* Generate user_data */ |
Holger Hans Peter Freyther | 91acfa0 | 2013-12-26 22:33:02 +0100 | [diff] [blame] | 104 | sms->user_data_len = gsm_7bit_encode_n(sms->user_data, sizeof(sms->user_data), |
| 105 | sms->text, NULL); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 106 | |
| 107 | return sms; |
| 108 | } |
| 109 | |
| 110 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 111 | static void send_signal(int sig_no, |
| 112 | struct gsm_trans *trans, |
| 113 | struct gsm_sms *sms, |
| 114 | int paging_result) |
| 115 | { |
| 116 | struct sms_signal_data sig; |
| 117 | sig.trans = trans; |
| 118 | sig.sms = sms; |
| 119 | sig.paging_result = paging_result; |
Pablo Neira Ayuso | bbc5b99 | 2011-05-06 12:12:31 +0200 | [diff] [blame] | 120 | osmo_signal_dispatch(SS_SMS, sig_no, &sig); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 121 | } |
| 122 | |
Holger Hans Peter Freyther | 536a10b | 2012-11-24 17:13:56 +0100 | [diff] [blame] | 123 | static int gsm411_sendmsg(struct gsm_subscriber_connection *conn, struct msgb *msg) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 124 | { |
Harald Welte | a41b630 | 2018-02-09 00:27:56 +0100 | [diff] [blame] | 125 | DEBUGP(DLSMS, "GSM4.11 TX %s\n", msgb_hexdump(msg)); |
Holger Hans Peter Freyther | ec32b58 | 2010-03-23 07:40:46 +0100 | [diff] [blame] | 126 | msg->l3h = msg->data; |
Neels Hofmeyr | 84da6b1 | 2016-05-20 21:59:55 +0200 | [diff] [blame] | 127 | return msc_tx_dtap(conn, msg); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 128 | } |
| 129 | |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 130 | /* Prefix msg with a 04.08/04.11 CP header */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 131 | 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] | 132 | uint8_t msg_type) |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 133 | { |
| 134 | struct gsm48_hdr *gh; |
| 135 | |
| 136 | gh = (struct gsm48_hdr *) msgb_push(msg, sizeof(*gh)); |
| 137 | /* Outgoing needs the highest bit set */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 138 | gh->proto_discr = trans->protocol | (trans->transaction_id<<4); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 139 | gh->msg_type = msg_type; |
Harald Welte | 0e2fa5d | 2018-04-09 16:35:01 +0200 | [diff] [blame] | 140 | OMSC_LINKID_CB(msg) = trans->dlci; |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 141 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 142 | DEBUGP(DLSMS, "sending CP message (trans=%x)\n", trans->transaction_id); |
Harald Welte (local) | c89a511 | 2009-08-14 10:42:43 +0200 | [diff] [blame] | 143 | |
Holger Hans Peter Freyther | 536a10b | 2012-11-24 17:13:56 +0100 | [diff] [blame] | 144 | return gsm411_sendmsg(trans->conn, msg); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 145 | } |
| 146 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 147 | /* mm_send: receive MMCCSMS sap message from SMC */ |
| 148 | static int gsm411_mm_send(struct gsm411_smc_inst *inst, int msg_type, |
| 149 | struct msgb *msg, int cp_msg_type) |
| 150 | { |
| 151 | struct gsm_trans *trans = |
| 152 | container_of(inst, struct gsm_trans, sms.smc_inst); |
| 153 | int rc = 0; |
| 154 | |
| 155 | switch (msg_type) { |
| 156 | case GSM411_MMSMS_EST_REQ: |
| 157 | /* recycle msg */ |
| 158 | rc = gsm411_smc_recv(inst, GSM411_MMSMS_EST_CNF, msg, 0); |
| 159 | msgb_free(msg); /* upper layer does not free msg */ |
| 160 | break; |
| 161 | case GSM411_MMSMS_DATA_REQ: |
| 162 | rc = gsm411_cp_sendmsg(msg, trans, cp_msg_type); |
| 163 | break; |
| 164 | case GSM411_MMSMS_REL_REQ: |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 165 | DEBUGP(DLSMS, "Got MMSMS_REL_REQ, destroying transaction.\n"); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 166 | msgb_free(msg); |
| 167 | trans_free(trans); |
| 168 | break; |
| 169 | default: |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 170 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled MMCCSMS msg 0x%x\n", msg_type); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 171 | msgb_free(msg); |
| 172 | rc = -EINVAL; |
| 173 | } |
| 174 | |
| 175 | return rc; |
| 176 | } |
| 177 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 178 | /* mm_send: receive MNCCSMS sap message from SMR */ |
| 179 | int gsm411_mn_send(struct gsm411_smr_inst *inst, int msg_type, |
| 180 | struct msgb *msg) |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 181 | { |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 182 | struct gsm_trans *trans = |
| 183 | container_of(inst, struct gsm_trans, sms.smr_inst); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 184 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 185 | /* forward to SMC */ |
| 186 | return gsm411_smc_send(&trans->sms.smc_inst, msg_type, msg); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 187 | } |
| 188 | |
Pablo Neira Ayuso | c022719 | 2017-07-24 18:32:41 +0200 | [diff] [blame] | 189 | static int gsm340_rx_sms_submit(struct gsm_sms *gsms) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 190 | { |
| 191 | if (db_sms_store(gsms) != 0) { |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 192 | LOGP(DLSMS, LOGL_ERROR, "Failed to store SMS in Database\n"); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 193 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 194 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 195 | /* dispatch a signal to tell higher level about it */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 196 | send_signal(S_SMS_SUBMITTED, NULL, gsms, 0); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 197 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 198 | return 0; |
| 199 | } |
| 200 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 201 | /* 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] | 202 | 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] | 203 | const struct gsm_sms_addr *src) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 204 | { |
Holger Hans Peter Freyther | 366c331 | 2012-11-10 18:24:54 +0100 | [diff] [blame] | 205 | /* network specific, private numbering plan */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 206 | 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] | 207 | } |
| 208 | |
Alexander Chemeris | 9e15e18 | 2014-03-08 23:54:28 +0100 | [diff] [blame] | 209 | /* generate a msgb containing an 03.40 9.2.2.1 SMS-DELIVER TPDU derived from |
| 210 | * struct gsm_sms, returns total size of TPDU */ |
| 211 | static int gsm340_gen_sms_deliver_tpdu(struct msgb *msg, struct gsm_sms *sms) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 212 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 213 | uint8_t *smsp; |
| 214 | uint8_t oa[12]; /* max len per 03.40 */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 215 | uint8_t octet_len; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 216 | unsigned int old_msg_len = msg->len; |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 217 | int oa_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 218 | |
| 219 | /* generate first octet with masked bits */ |
| 220 | smsp = msgb_put(msg, 1); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 221 | /* TP-MTI (message type indicator) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 222 | *smsp = GSM340_SMS_DELIVER_SC2MS; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 223 | /* TP-MMS (more messages to send) */ |
| 224 | if (0 /* FIXME */) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 225 | *smsp |= 0x04; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 226 | /* TP-SRI(deliver)/SRR(submit) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 227 | if (sms->status_rep_req) |
| 228 | *smsp |= 0x20; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 229 | /* TP-UDHI (indicating TP-UD contains a header) */ |
| 230 | if (sms->ud_hdr_ind) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 231 | *smsp |= 0x40; |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 232 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 233 | /* generate originator address */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 234 | oa_len = gsm340_gen_oa_sub(oa, sizeof(oa), &sms->src); |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 235 | if (oa_len < 0) |
| 236 | return -ENOSPC; |
| 237 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 238 | smsp = msgb_put(msg, oa_len); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 239 | memcpy(smsp, oa, oa_len); |
| 240 | |
| 241 | /* generate TP-PID */ |
| 242 | smsp = msgb_put(msg, 1); |
| 243 | *smsp = sms->protocol_id; |
| 244 | |
| 245 | /* generate TP-DCS */ |
| 246 | smsp = msgb_put(msg, 1); |
| 247 | *smsp = sms->data_coding_scheme; |
| 248 | |
| 249 | /* generate TP-SCTS */ |
| 250 | smsp = msgb_put(msg, 7); |
| 251 | gsm340_gen_scts(smsp, time(NULL)); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 252 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 253 | /* generate TP-UDL */ |
| 254 | smsp = msgb_put(msg, 1); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 255 | *smsp = sms->user_data_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 256 | |
| 257 | /* generate TP-UD */ |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 258 | switch (gsm338_get_sms_alphabet(sms->data_coding_scheme)) { |
| 259 | case DCS_7BIT_DEFAULT: |
Daniel Willmann | 9aef145 | 2009-08-13 03:39:07 +0200 | [diff] [blame] | 260 | octet_len = sms->user_data_len*7/8; |
| 261 | if (sms->user_data_len*7%8 != 0) |
| 262 | octet_len++; |
Daniel Willmann | 6b1e822 | 2009-08-12 21:17:06 +0200 | [diff] [blame] | 263 | /* Warning, user_data_len indicates the amount of septets |
| 264 | * (characters), we need amount of octets occupied */ |
Daniel Willmann | 9aef145 | 2009-08-13 03:39:07 +0200 | [diff] [blame] | 265 | smsp = msgb_put(msg, octet_len); |
| 266 | memcpy(smsp, sms->user_data, octet_len); |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 267 | break; |
| 268 | case DCS_UCS2: |
| 269 | case DCS_8BIT_DATA: |
| 270 | smsp = msgb_put(msg, sms->user_data_len); |
| 271 | memcpy(smsp, sms->user_data, sms->user_data_len); |
| 272 | break; |
| 273 | default: |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 274 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled Data Coding Scheme: 0x%02X\n", |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 275 | sms->data_coding_scheme); |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 276 | break; |
Daniel Willmann | 6b1e822 | 2009-08-12 21:17:06 +0200 | [diff] [blame] | 277 | } |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 278 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 279 | return msg->len - old_msg_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 280 | } |
| 281 | |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 282 | /* As defined by GSM 03.40, Section 9.2.2.3. */ |
| 283 | static int gsm340_gen_sms_status_report_tpdu(struct msgb *msg, |
| 284 | struct gsm_sms *sms) |
| 285 | { |
| 286 | unsigned int old_msg_len = msg->len; |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 287 | uint8_t oa[12]; /* max len per 03.40 */ |
| 288 | uint8_t *smsp; |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 289 | int oa_len; |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 290 | |
| 291 | /* generate first octet with masked bits */ |
| 292 | smsp = msgb_put(msg, 1); |
| 293 | /* TP-MTI (message type indicator) */ |
| 294 | *smsp = GSM340_SMS_STATUS_REP_SC2MS; |
| 295 | /* TP-MMS (more messages to send) */ |
| 296 | if (0 /* FIXME */) |
| 297 | *smsp |= 0x04; |
| 298 | /* TP-MR (message reference) */ |
| 299 | smsp = msgb_put(msg, 1); |
| 300 | *smsp = sms->msg_ref; |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 301 | |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 302 | /* generate recipient address */ |
Keith | ab9d863 | 2017-08-14 15:06:33 +0200 | [diff] [blame] | 303 | oa_len = gsm340_gen_oa_sub(oa, sizeof(oa), &sms->src); |
Pablo Neira Ayuso | 4b50924 | 2017-08-10 09:38:58 +0200 | [diff] [blame] | 304 | if (oa_len < 0) |
| 305 | return -ENOSPC; |
| 306 | |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 307 | smsp = msgb_put(msg, oa_len); |
| 308 | memcpy(smsp, oa, oa_len); |
| 309 | |
| 310 | /* generate TP-SCTS (Service centre timestamp) */ |
| 311 | smsp = msgb_put(msg, 7); |
Keith | c601adc | 2017-08-16 22:45:07 +0200 | [diff] [blame] | 312 | gsm340_gen_scts(smsp, sms->created); |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 313 | |
| 314 | /* generate TP-DT (Discharge time, in TP-SCTS format). */ |
| 315 | smsp = msgb_put(msg, 7); |
Keith | c601adc | 2017-08-16 22:45:07 +0200 | [diff] [blame] | 316 | gsm340_gen_scts(smsp, sms->created); |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 317 | |
| 318 | /* TP-ST (status) */ |
| 319 | smsp = msgb_put(msg, 1); |
| 320 | /* From GSM 03.40, Section 9.2.3.15, 0x00 means OK. */ |
| 321 | *smsp = 0x00; |
| 322 | |
| 323 | LOGP(DLSMS, LOGL_INFO, "sending status report for SMS reference %x\n", |
| 324 | sms->msg_ref); |
| 325 | |
| 326 | return msg->len - old_msg_len; |
| 327 | } |
| 328 | |
Pablo Neira Ayuso | c022719 | 2017-07-24 18:32:41 +0200 | [diff] [blame] | 329 | static int sms_route_mt_sms(struct gsm_subscriber_connection *conn, |
Pablo Neira Ayuso | 3c14803 | 2017-08-07 14:01:13 +0100 | [diff] [blame] | 330 | struct gsm_sms *gsms) |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 331 | { |
| 332 | int rc; |
| 333 | |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 334 | #ifdef BUILD_SMPP |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 335 | int smpp_first = smpp_route_smpp_first(gsms, conn); |
| 336 | |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 337 | /* |
| 338 | * Route through SMPP first before going to the local database. In case |
| 339 | * of a unroutable message and no local subscriber, SMPP will be tried |
| 340 | * twice. In case of an unknown subscriber continue with the normal |
| 341 | * delivery of the SMS. |
| 342 | */ |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 343 | if (smpp_first) { |
Pablo Neira Ayuso | fdc9966 | 2017-08-07 14:01:10 +0100 | [diff] [blame] | 344 | rc = smpp_try_deliver(gsms, conn); |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 345 | if (rc == GSM411_RP_CAUSE_MO_NUM_UNASSIGNED) |
Benoit Bolsee | d34ed57 | 2017-07-05 11:46:55 +0200 | [diff] [blame] | 346 | /* unknown subscriber, try local */ |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 347 | goto try_local; |
| 348 | if (rc < 0) { |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 349 | LOGP(DLSMS, LOGL_ERROR, "%s: SMS delivery error: %d.", |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 350 | vlr_subscr_name(conn->vsub), rc); |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 351 | rc = GSM411_RP_CAUSE_MO_TEMP_FAIL; |
| 352 | /* rc will be logged by gsm411_send_rp_error() */ |
Harald Welte | d35038d | 2018-01-25 00:07:33 +0100 | [diff] [blame] | 353 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[ |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 354 | MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR]); |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 355 | } |
| 356 | return rc; |
| 357 | } |
| 358 | |
| 359 | try_local: |
| 360 | #endif |
| 361 | |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 362 | /* determine gsms->receiver based on dialled number */ |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 363 | gsms->receiver = vlr_subscr_find_by_msisdn(conn->network->vlr, |
| 364 | gsms->dst.addr); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 365 | if (!gsms->receiver) { |
| 366 | #ifdef BUILD_SMPP |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 367 | /* Avoid a second look-up */ |
Alexander Couzens | 7130683 | 2016-07-12 16:52:32 +0200 | [diff] [blame] | 368 | if (smpp_first) { |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 369 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[MSC_CTR_SMS_NO_RECEIVER]); |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 370 | return GSM411_RP_CAUSE_MO_NUM_UNASSIGNED; |
Alexander Couzens | 7130683 | 2016-07-12 16:52:32 +0200 | [diff] [blame] | 371 | } |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 372 | |
Pablo Neira Ayuso | fdc9966 | 2017-08-07 14:01:10 +0100 | [diff] [blame] | 373 | rc = smpp_try_deliver(gsms, conn); |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 374 | if (rc == GSM411_RP_CAUSE_MO_NUM_UNASSIGNED) { |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 375 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[MSC_CTR_SMS_NO_RECEIVER]); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 376 | } else if (rc < 0) { |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 377 | LOGP(DLSMS, LOGL_ERROR, "%s: SMS delivery error: %d.", |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 378 | vlr_subscr_name(conn->vsub), rc); |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 379 | rc = GSM411_RP_CAUSE_MO_TEMP_FAIL; |
| 380 | /* rc will be logged by gsm411_send_rp_error() */ |
Harald Welte | d35038d | 2018-01-25 00:07:33 +0100 | [diff] [blame] | 381 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[ |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 382 | MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR]); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 383 | } |
| 384 | #else |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 385 | rc = GSM411_RP_CAUSE_MO_NUM_UNASSIGNED; |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 386 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[MSC_CTR_SMS_NO_RECEIVER]); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 387 | #endif |
Harald Welte | 0f2555e | 2017-11-06 03:43:21 +0900 | [diff] [blame] | 388 | } else |
| 389 | rc = 0; |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 390 | |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 391 | return rc; |
| 392 | } |
| 393 | |
| 394 | |
Holger Hans Peter Freyther | acf8a0c | 2010-03-29 08:47:44 +0200 | [diff] [blame] | 395 | /* process an incoming TPDU (called from RP-DATA) |
| 396 | * 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] | 397 | 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] | 398 | uint32_t gsm411_msg_ref) |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 399 | { |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 400 | struct gsm_subscriber_connection *conn = trans->conn; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 401 | uint8_t *smsp = msgb_sms(msg); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 402 | struct gsm_sms *gsms; |
Harald Welte | 258c713 | 2011-07-16 13:34:52 +0200 | [diff] [blame] | 403 | unsigned int sms_alphabet; |
Neels Hofmeyr | 58d5430 | 2016-02-24 19:30:52 +0100 | [diff] [blame] | 404 | uint8_t sms_mti, sms_vpf; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 405 | uint8_t *sms_vp; |
| 406 | uint8_t da_len_bytes; |
| 407 | 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] | 408 | int rc = 0; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 409 | |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 410 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[MSC_CTR_SMS_SUBMITTED]); |
Harald Welte | 24ff6ee | 2009-12-22 00:41:05 +0100 | [diff] [blame] | 411 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 412 | gsms = sms_alloc(); |
| 413 | if (!gsms) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 414 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 415 | |
| 416 | /* invert those fields where 0 means active/present */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 417 | sms_mti = *smsp & 0x03; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 418 | sms_vpf = (*smsp & 0x18) >> 3; |
Pablo Neira Ayuso | db5ed3b | 2017-08-07 14:01:21 +0100 | [diff] [blame] | 419 | gsms->status_rep_req = (*smsp & 0x20) >> 5; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 420 | gsms->ud_hdr_ind = (*smsp & 0x40); |
Neels Hofmeyr | 58d5430 | 2016-02-24 19:30:52 +0100 | [diff] [blame] | 421 | /* |
| 422 | * Not evaluating MMS (More Messages to Send) because the |
| 423 | * lchan stays open anyway. |
| 424 | * Not evaluating RP (Reply Path) because we're not aware of its |
| 425 | * benefits. |
| 426 | */ |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 427 | |
| 428 | smsp++; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 429 | gsms->msg_ref = *smsp++; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 430 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 431 | gsms->gsm411.transaction_id = trans->transaction_id; |
| 432 | gsms->gsm411.msg_ref = gsm411_msg_ref; |
| 433 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 434 | /* length in bytes of the destination address */ |
| 435 | da_len_bytes = 2 + *smsp/2 + *smsp%2; |
| 436 | if (da_len_bytes > 12) { |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 437 | LOGP(DLSMS, LOGL_ERROR, "Destination Address > 12 bytes ?!?\n"); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 438 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 439 | goto out; |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 440 | } else if (da_len_bytes < 4) { |
| 441 | LOGP(DLSMS, LOGL_ERROR, "Destination Address < 4 bytes ?!?\n"); |
| 442 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
| 443 | goto out; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 444 | } |
Harald Welte | 3cfdb22 | 2009-06-12 02:42:11 +0800 | [diff] [blame] | 445 | memset(address_lv, 0, sizeof(address_lv)); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 446 | memcpy(address_lv, smsp, da_len_bytes); |
| 447 | /* mangle first byte to reflect length in bytes, not digits */ |
Harald Welte | 3cfdb22 | 2009-06-12 02:42:11 +0800 | [diff] [blame] | 448 | address_lv[0] = da_len_bytes - 1; |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 449 | |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 450 | gsms->dst.ton = (address_lv[1] >> 4) & 7; |
| 451 | gsms->dst.npi = address_lv[1] & 0xF; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 452 | /* convert to real number */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 453 | gsm48_decode_bcd_number(gsms->dst.addr, |
| 454 | sizeof(gsms->dst.addr), address_lv, 1); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 455 | smsp += da_len_bytes; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 456 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 457 | gsms->protocol_id = *smsp++; |
| 458 | gsms->data_coding_scheme = *smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 459 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 460 | sms_alphabet = gsm338_get_sms_alphabet(gsms->data_coding_scheme); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 461 | if (sms_alphabet == 0xffffffff) { |
Alexander Chemeris | 4ad593c | 2013-10-04 02:42:27 +0200 | [diff] [blame] | 462 | rc = GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
| 463 | goto out; |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 464 | } |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 465 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 466 | switch (sms_vpf) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 467 | case GSM340_TP_VPF_RELATIVE: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 468 | sms_vp = smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 469 | break; |
| 470 | case GSM340_TP_VPF_ABSOLUTE: |
| 471 | case GSM340_TP_VPF_ENHANCED: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 472 | sms_vp = smsp; |
Steffen Neubauer | f326267 | 2009-11-26 12:28:41 +0100 | [diff] [blame] | 473 | /* the additional functionality indicator... */ |
Steffen Neubauer | ac0c13c | 2009-12-05 12:44:41 +0100 | [diff] [blame] | 474 | if (sms_vpf == GSM340_TP_VPF_ENHANCED && *smsp & (1<<7)) |
| 475 | smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 476 | smsp += 7; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 477 | break; |
Daniel Willmann | 58c83d8 | 2009-08-13 03:40:49 +0200 | [diff] [blame] | 478 | case GSM340_TP_VPF_NONE: |
| 479 | sms_vp = 0; |
| 480 | break; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 481 | default: |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 482 | LOGP(DLSMS, LOGL_NOTICE, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 483 | "SMS Validity period not implemented: 0x%02x\n", sms_vpf); |
Alexander Chemeris | 4ad593c | 2013-10-04 02:42:27 +0200 | [diff] [blame] | 484 | rc = GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
| 485 | goto out; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 486 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 487 | gsms->user_data_len = *smsp++; |
| 488 | if (gsms->user_data_len) { |
| 489 | memcpy(gsms->user_data, smsp, gsms->user_data_len); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 490 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 491 | switch (sms_alphabet) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 492 | case DCS_7BIT_DEFAULT: |
Harald Welte | 5468f76 | 2015-01-01 12:41:17 +0100 | [diff] [blame] | 493 | gsm_7bit_decode_n(gsms->text, sizeof(gsms->text), smsp, |
| 494 | gsms->user_data_len); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 495 | break; |
| 496 | case DCS_8BIT_DATA: |
| 497 | case DCS_UCS2: |
| 498 | case DCS_NONE: |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 499 | break; |
| 500 | } |
| 501 | } |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 502 | |
Max | 98f7467 | 2018-02-05 12:57:06 +0100 | [diff] [blame] | 503 | OSMO_STRLCPY_ARRAY(gsms->src.addr, conn->vsub->msisdn); |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 504 | |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 505 | LOGP(DLSMS, LOGL_INFO, "RX SMS: Sender: %s, MTI: 0x%02x, VPF: 0x%02x, " |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 506 | "MR: 0x%02x PID: 0x%02x, DCS: 0x%02x, DA: %s, " |
| 507 | "UserDataLength: 0x%02x, UserData: \"%s\"\n", |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 508 | vlr_subscr_name(conn->vsub), sms_mti, sms_vpf, gsms->msg_ref, |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 509 | gsms->protocol_id, gsms->data_coding_scheme, gsms->dst.addr, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 510 | gsms->user_data_len, |
Holger Hans Peter Freyther | acf8a0c | 2010-03-29 08:47:44 +0200 | [diff] [blame] | 511 | sms_alphabet == DCS_7BIT_DEFAULT ? gsms->text : |
Pablo Neira Ayuso | c0d17f2 | 2011-05-07 12:12:48 +0200 | [diff] [blame] | 512 | osmo_hexdump(gsms->user_data, gsms->user_data_len)); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 513 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 514 | gsms->validity_minutes = gsm340_validity_period(sms_vpf, sms_vp); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 515 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 516 | /* FIXME: This looks very wrong */ |
| 517 | send_signal(0, NULL, gsms, 0); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 518 | |
Pablo Neira Ayuso | 3c14803 | 2017-08-07 14:01:13 +0100 | [diff] [blame] | 519 | rc = sms_route_mt_sms(conn, gsms); |
| 520 | |
Stefan Sperling | 1e67fea | 2018-01-22 18:33:42 +0100 | [diff] [blame] | 521 | /* |
| 522 | * This SMS got routed through SMPP or no receiver exists. |
| 523 | * In any case, we store it in the database for further processing. |
| 524 | */ |
Pablo Neira Ayuso | 3c14803 | 2017-08-07 14:01:13 +0100 | [diff] [blame] | 525 | |
| 526 | switch (sms_mti) { |
| 527 | case GSM340_SMS_SUBMIT_MS2SC: |
| 528 | /* MS is submitting a SMS */ |
| 529 | rc = gsm340_rx_sms_submit(gsms); |
| 530 | break; |
| 531 | case GSM340_SMS_COMMAND_MS2SC: |
| 532 | case GSM340_SMS_DELIVER_REP_MS2SC: |
| 533 | LOGP(DLSMS, LOGL_NOTICE, "Unimplemented MTI 0x%02x\n", sms_mti); |
| 534 | rc = GSM411_RP_CAUSE_IE_NOTEXIST; |
| 535 | break; |
| 536 | default: |
| 537 | LOGP(DLSMS, LOGL_NOTICE, "Undefined MTI 0x%02x\n", sms_mti); |
| 538 | rc = GSM411_RP_CAUSE_IE_NOTEXIST; |
| 539 | break; |
| 540 | } |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 541 | out: |
Pablo Neira Ayuso | fdc9966 | 2017-08-07 14:01:10 +0100 | [diff] [blame] | 542 | sms_free(gsms); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 543 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 544 | return rc; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 545 | } |
| 546 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 547 | /* Prefix msg with a RP-DATA header and send as SMR DATA */ |
| 548 | static int gsm411_rp_sendmsg(struct gsm411_smr_inst *inst, struct msgb *msg, |
| 549 | uint8_t rp_msg_type, uint8_t rp_msg_ref, |
| 550 | int rl_msg_type) |
| 551 | { |
| 552 | struct gsm411_rp_hdr *rp; |
| 553 | uint8_t len = msg->len; |
| 554 | |
| 555 | /* GSM 04.11 RP-DATA header */ |
| 556 | rp = (struct gsm411_rp_hdr *)msgb_push(msg, sizeof(*rp)); |
| 557 | rp->len = len + 2; |
| 558 | rp->msg_type = rp_msg_type; |
Holger Hans Peter Freyther | ca11443 | 2014-02-08 15:20:48 +0100 | [diff] [blame] | 559 | rp->msg_ref = rp_msg_ref; |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 560 | |
| 561 | return gsm411_smr_send(inst, rl_msg_type, msg); |
| 562 | } |
| 563 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 564 | 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] | 565 | { |
| 566 | struct msgb *msg = gsm411_msgb_alloc(); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 567 | |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 568 | DEBUGP(DLSMS, "TX: SMS RP ACK\n"); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 569 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 570 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, GSM411_MT_RP_ACK_MT, |
| 571 | msg_ref, GSM411_SM_RL_REPORT_REQ); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 572 | } |
| 573 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 574 | int gsm411_send_rp_error(struct gsm_trans *trans, uint8_t msg_ref, |
| 575 | uint8_t cause) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 576 | { |
| 577 | struct msgb *msg = gsm411_msgb_alloc(); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 578 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 579 | msgb_tv_put(msg, 1, cause); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 580 | |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 581 | LOGP(DLSMS, LOGL_NOTICE, "TX: SMS RP ERROR, cause %d (%s)\n", cause, |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 582 | get_value_string(gsm411_rp_cause_strs, cause)); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 583 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 584 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, |
| 585 | GSM411_MT_RP_ERROR_MT, msg_ref, GSM411_SM_RL_REPORT_REQ); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 586 | } |
| 587 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 588 | /* Receive a 04.11 TPDU inside RP-DATA / user data */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 589 | static int gsm411_rx_rp_ud(struct msgb *msg, struct gsm_trans *trans, |
| 590 | struct gsm411_rp_hdr *rph, |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 591 | uint8_t src_len, uint8_t *src, |
| 592 | uint8_t dst_len, uint8_t *dst, |
| 593 | uint8_t tpdu_len, uint8_t *tpdu) |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 594 | { |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 595 | int rc = 0; |
| 596 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 597 | if (src_len && src) |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 598 | LOGP(DLSMS, LOGL_ERROR, "RP-DATA (MO) with SRC ?!?\n"); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 599 | |
| 600 | if (!dst_len || !dst || !tpdu_len || !tpdu) { |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 601 | LOGP(DLSMS, LOGL_ERROR, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 602 | "RP-DATA (MO) without DST or TPDU ?!?\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 603 | gsm411_send_rp_error(trans, rph->msg_ref, |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 604 | GSM411_RP_CAUSE_INV_MAND_INF); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 605 | return -EIO; |
| 606 | } |
Harald Welte | e9dd9b0 | 2010-04-30 14:27:05 +0200 | [diff] [blame] | 607 | msg->l4h = tpdu; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 608 | |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 609 | DEBUGP(DLSMS, "DST(%u,%s)\n", dst_len, osmo_hexdump(dst, dst_len)); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 610 | |
Pablo Neira Ayuso | fdc9966 | 2017-08-07 14:01:10 +0100 | [diff] [blame] | 611 | rc = gsm340_rx_tpdu(trans, msg, rph->msg_ref); |
| 612 | if (rc == 0) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 613 | return gsm411_send_rp_ack(trans, rph->msg_ref); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 614 | else if (rc > 0) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 615 | return gsm411_send_rp_error(trans, rph->msg_ref, rc); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 616 | else |
| 617 | return rc; |
| 618 | } |
| 619 | |
| 620 | /* 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] | 621 | static int gsm411_rx_rp_data(struct msgb *msg, struct gsm_trans *trans, |
| 622 | struct gsm411_rp_hdr *rph) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 623 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 624 | uint8_t src_len, dst_len, rpud_len; |
| 625 | uint8_t *src = NULL, *dst = NULL , *rp_ud = NULL; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 626 | |
| 627 | /* in the MO case, this should always be zero length */ |
| 628 | src_len = rph->data[0]; |
| 629 | if (src_len) |
| 630 | src = &rph->data[1]; |
| 631 | |
| 632 | dst_len = rph->data[1+src_len]; |
| 633 | if (dst_len) |
| 634 | dst = &rph->data[1+src_len+1]; |
| 635 | |
| 636 | rpud_len = rph->data[1+src_len+1+dst_len]; |
| 637 | if (rpud_len) |
| 638 | rp_ud = &rph->data[1+src_len+1+dst_len+1]; |
| 639 | |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 640 | DEBUGP(DLSMS, "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] | 641 | src_len, dst_len, rpud_len); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 642 | return gsm411_rx_rp_ud(msg, trans, rph, src_len, src, dst_len, dst, |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 643 | rpud_len, rp_ud); |
| 644 | } |
| 645 | |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 646 | static struct gsm_sms *sms_report_alloc(struct gsm_sms *sms) |
| 647 | { |
| 648 | struct gsm_sms *sms_report; |
| 649 | int len; |
| 650 | |
| 651 | sms_report = sms_alloc(); |
| 652 | OSMO_ASSERT(sms_report); |
| 653 | |
| 654 | sms_report->msg_ref = sms->msg_ref; |
| 655 | sms_report->protocol_id = sms->protocol_id; |
| 656 | sms_report->data_coding_scheme = GSM338_DCS_1111_8BIT_DATA; |
| 657 | |
| 658 | /* Invert address to send status report back to origin. */ |
| 659 | sms_report->src = sms->dst; |
| 660 | sms_report->dst = sms->src; |
| 661 | |
| 662 | /* As specified by Appendix B. Delivery Receipt Format. |
| 663 | * TODO: Many fields in this string are just set with dummy values, |
| 664 | * revisit this. |
| 665 | */ |
| 666 | len = snprintf((char *)sms_report->user_data, |
| 667 | sizeof(sms_report->user_data), |
| 668 | "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] | 669 | sms->id, sms->text); |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 670 | sms_report->user_data_len = len; |
| 671 | LOGP(DLSMS, LOGL_NOTICE, "%s\n", sms_report->user_data); |
| 672 | |
| 673 | /* This represents a sms report. */ |
| 674 | sms_report->is_report = true; |
| 675 | |
| 676 | return sms_report; |
| 677 | } |
| 678 | |
| 679 | static void sms_status_report(struct gsm_sms *gsms, |
| 680 | struct gsm_subscriber_connection *conn) |
| 681 | { |
| 682 | struct gsm_sms *sms_report; |
| 683 | int rc; |
| 684 | |
| 685 | sms_report = sms_report_alloc(gsms); |
| 686 | |
| 687 | rc = sms_route_mt_sms(conn, sms_report); |
| 688 | if (rc < 0) { |
| 689 | LOGP(DLSMS, LOGL_ERROR, |
| 690 | "Failed to send status report! err=%d\n", rc); |
| 691 | } |
Pablo Neira Ayuso | 27aed14 | 2017-08-07 16:17:17 +0200 | [diff] [blame] | 692 | |
| 693 | /* No route via SMPP, send the GSM 03.40 status-report now. */ |
Keith Whyte | bea25f1 | 2018-11-16 13:29:05 +0000 | [diff] [blame] | 694 | if (sms_report->receiver) |
Pablo Neira Ayuso | 27aed14 | 2017-08-07 16:17:17 +0200 | [diff] [blame] | 695 | gsm340_rx_sms_submit(sms_report); |
| 696 | |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 697 | LOGP(DLSMS, LOGL_NOTICE, "Status report has been sent\n"); |
| 698 | |
| 699 | sms_free(sms_report); |
| 700 | } |
| 701 | |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 702 | /* Receive a 04.11 RP-ACK message (response to RP-DATA from us) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 703 | static int gsm411_rx_rp_ack(struct msgb *msg, struct gsm_trans *trans, |
| 704 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 705 | { |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 706 | struct gsm_sms *sms = trans->sms.sms; |
| 707 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 708 | /* Acnkowledgement to MT RP_DATA, i.e. the MS confirms it |
| 709 | * successfully received a SMS. We can now safely mark it as |
| 710 | * transmitted */ |
| 711 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 712 | if (!sms) { |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 713 | LOGP(DLSMS, LOGL_ERROR, "RX RP-ACK but no sms in transaction?!?\n"); |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 714 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 715 | GSM411_RP_CAUSE_PROTOCOL_ERR); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 716 | } |
| 717 | |
| 718 | /* mark this SMS as sent in database */ |
Alexander Chemeris | 1e77e3d | 2014-03-08 21:27:37 +0100 | [diff] [blame] | 719 | db_sms_mark_delivered(sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 720 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 721 | send_signal(S_SMS_DELIVERED, trans, sms, 0); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 722 | |
Pablo Neira Ayuso | adae859 | 2017-08-07 14:01:30 +0100 | [diff] [blame] | 723 | if (sms->status_rep_req) |
| 724 | sms_status_report(sms, trans->conn); |
| 725 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 726 | sms_free(sms); |
| 727 | trans->sms.sms = NULL; |
| 728 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 729 | return 0; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 730 | } |
| 731 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 732 | static int gsm411_rx_rp_error(struct msgb *msg, struct gsm_trans *trans, |
| 733 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 734 | { |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 735 | struct gsm_network *net = trans->conn->network; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 736 | struct gsm_sms *sms = trans->sms.sms; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 737 | uint8_t cause_len = rph->data[0]; |
| 738 | uint8_t cause = rph->data[1]; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 739 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 740 | /* Error in response to MT RP_DATA, i.e. the MS did not |
| 741 | * successfully receive the SMS. We need to investigate |
| 742 | * the cause and take action depending on it */ |
| 743 | |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 744 | LOGP(DLSMS, LOGL_NOTICE, "%s: RX SMS RP-ERROR, cause %d:%d (%s)\n", |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 745 | vlr_subscr_name(trans->conn->vsub), cause_len, cause, |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 746 | get_value_string(gsm411_rp_cause_strs, cause)); |
Harald Welte | 3e0f617 | 2009-07-09 23:52:59 +0200 | [diff] [blame] | 747 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 748 | if (!sms) { |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 749 | LOGP(DLSMS, LOGL_ERROR, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 750 | "RX RP-ERR, but no sms in transaction?!?\n"); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 751 | return -EINVAL; |
| 752 | #if 0 |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 753 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 754 | GSM411_RP_CAUSE_PROTOCOL_ERR); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 755 | #endif |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 756 | } |
| 757 | |
| 758 | if (cause == GSM411_RP_CAUSE_MT_MEM_EXCEEDED) { |
| 759 | /* 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] | 760 | * to store this in our database and wait for a SMMA message */ |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 761 | /* FIXME */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 762 | send_signal(S_SMS_MEM_EXCEEDED, trans, sms, 0); |
Alexander Couzens | b847a21 | 2016-08-02 11:34:11 +0200 | [diff] [blame] | 763 | 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] | 764 | } else { |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 765 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
Alexander Couzens | b847a21 | 2016-08-02 11:34:11 +0200 | [diff] [blame] | 766 | 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] | 767 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 768 | |
| 769 | sms_free(sms); |
| 770 | trans->sms.sms = NULL; |
| 771 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 772 | return 0; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 773 | } |
| 774 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 775 | static int gsm411_rx_rp_smma(struct msgb *msg, struct gsm_trans *trans, |
| 776 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 777 | { |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 778 | int rc; |
| 779 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 780 | rc = gsm411_send_rp_ack(trans, rph->msg_ref); |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 781 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 782 | /* MS tells us that it has memory for more SMS, we need |
| 783 | * to check if we have any pending messages for it and then |
| 784 | * transfer those */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 785 | send_signal(S_SMS_SMMA, trans, NULL, 0); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 786 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 787 | return rc; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 788 | } |
| 789 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 790 | /* receive RL DATA */ |
| 791 | 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] | 792 | struct gsm_trans *trans) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 793 | { |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 794 | 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] | 795 | uint8_t msg_type = rp_data->msg_type & 0x07; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 796 | int rc = 0; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 797 | |
| 798 | switch (msg_type) { |
| 799 | case GSM411_MT_RP_DATA_MO: |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 800 | DEBUGP(DLSMS, "RX SMS RP-DATA (MO)\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 801 | rc = gsm411_rx_rp_data(msg, trans, rp_data); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 802 | break; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 803 | case GSM411_MT_RP_SMMA_MO: |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 804 | DEBUGP(DLSMS, "RX SMS RP-SMMA\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 805 | rc = gsm411_rx_rp_smma(msg, trans, rp_data); |
| 806 | break; |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 807 | default: |
| 808 | LOGP(DLSMS, LOGL_NOTICE, "Invalid RP type 0x%02x\n", msg_type); |
| 809 | rc = -EINVAL; |
| 810 | break; |
| 811 | } |
| 812 | |
| 813 | return rc; |
| 814 | } |
| 815 | |
| 816 | /* receive RL REPORT */ |
| 817 | static int gsm411_rx_rl_report(struct msgb *msg, struct gsm48_hdr *gh, |
| 818 | struct gsm_trans *trans) |
| 819 | { |
| 820 | struct gsm411_rp_hdr *rp_data = (struct gsm411_rp_hdr*)&gh->data; |
| 821 | uint8_t msg_type = rp_data->msg_type & 0x07; |
| 822 | int rc = 0; |
| 823 | |
| 824 | switch (msg_type) { |
| 825 | case GSM411_MT_RP_ACK_MO: |
| 826 | DEBUGP(DLSMS, "RX SMS RP-ACK (MO)\n"); |
| 827 | rc = gsm411_rx_rp_ack(msg, trans, rp_data); |
| 828 | break; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 829 | case GSM411_MT_RP_ERROR_MO: |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 830 | DEBUGP(DLSMS, "RX SMS RP-ERROR (MO)\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 831 | rc = gsm411_rx_rp_error(msg, trans, rp_data); |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 832 | break; |
| 833 | default: |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 834 | LOGP(DLSMS, LOGL_NOTICE, "Invalid RP type 0x%02x\n", msg_type); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 835 | rc = -EINVAL; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 836 | break; |
| 837 | } |
| 838 | |
| 839 | return rc; |
| 840 | } |
| 841 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 842 | /* receive SM-RL sap message from SMR |
| 843 | * NOTE: Message is freed by sender |
| 844 | */ |
| 845 | int gsm411_rl_recv(struct gsm411_smr_inst *inst, int msg_type, |
| 846 | struct msgb *msg) |
| 847 | { |
| 848 | struct gsm_trans *trans = |
| 849 | container_of(inst, struct gsm_trans, sms.smr_inst); |
| 850 | struct gsm48_hdr *gh = msgb_l3(msg); |
| 851 | int rc = 0; |
| 852 | |
| 853 | switch (msg_type) { |
| 854 | case GSM411_SM_RL_DATA_IND: |
| 855 | rc = gsm411_rx_rl_data(msg, gh, trans); |
| 856 | break; |
| 857 | case GSM411_SM_RL_REPORT_IND: |
| 858 | if (gh) |
| 859 | rc = gsm411_rx_rl_report(msg, gh, trans); |
| 860 | break; |
| 861 | default: |
| 862 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled SM-RL message 0x%x\n", msg_type); |
| 863 | rc = -EINVAL; |
| 864 | } |
| 865 | |
| 866 | return rc; |
| 867 | } |
| 868 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 869 | /* receive MNCCSMS sap message from SMC |
| 870 | * NOTE: Message is freed by sender |
| 871 | */ |
| 872 | static int gsm411_mn_recv(struct gsm411_smc_inst *inst, int msg_type, |
| 873 | struct msgb *msg) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 874 | { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 875 | struct gsm_trans *trans = |
| 876 | container_of(inst, struct gsm_trans, sms.smc_inst); |
| 877 | struct gsm48_hdr *gh = msgb_l3(msg); |
| 878 | int rc = 0; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 879 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 880 | switch (msg_type) { |
| 881 | case GSM411_MNSMS_EST_IND: |
| 882 | case GSM411_MNSMS_DATA_IND: |
| 883 | DEBUGP(DLSMS, "MNSMS-DATA/EST-IND\n"); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 884 | rc = gsm411_smr_recv(&trans->sms.smr_inst, msg_type, msg); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 885 | break; |
| 886 | case GSM411_MNSMS_ERROR_IND: |
| 887 | if (gh) |
| 888 | DEBUGP(DLSMS, "MNSMS-ERROR-IND, cause %d (%s)\n", |
| 889 | gh->data[0], |
| 890 | get_value_string(gsm411_cp_cause_strs, |
| 891 | gh->data[0])); |
| 892 | else |
| 893 | DEBUGP(DLSMS, "MNSMS-ERROR-IND, no cause\n"); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 894 | rc = gsm411_smr_recv(&trans->sms.smr_inst, msg_type, msg); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 895 | break; |
| 896 | default: |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 897 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled MNCCSMS msg 0x%x\n", msg_type); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 898 | rc = -EINVAL; |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 899 | } |
Holger Hans Peter Freyther | 09e364b | 2009-08-10 07:59:27 +0200 | [diff] [blame] | 900 | |
| 901 | return rc; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 902 | } |
| 903 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 904 | /* Entry point for incoming GSM48_PDISC_SMS from abis_rsl.c */ |
Holger Hans Peter Freyther | 57c4dec | 2010-06-16 14:24:55 +0800 | [diff] [blame] | 905 | int gsm0411_rcv_sms(struct gsm_subscriber_connection *conn, |
Holger Hans Peter Freyther | 9764331 | 2010-06-17 16:41:25 +0800 | [diff] [blame] | 906 | struct msgb *msg) |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 907 | { |
| 908 | struct gsm48_hdr *gh = msgb_l3(msg); |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 909 | uint8_t msg_type = gh->msg_type; |
Neels Hofmeyr | 961bd0b | 2016-03-14 16:13:25 +0100 | [diff] [blame] | 910 | uint8_t transaction_id = gsm48_hdr_trans_id_flip_ti(gh); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 911 | struct gsm_trans *trans; |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 912 | int new_trans = 0; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 913 | int rc = 0; |
| 914 | |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 915 | if (!conn->vsub) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 916 | return -EIO; |
| 917 | /* FIXME: send some error message */ |
| 918 | |
Neels Hofmeyr | 4585317 | 2017-07-18 01:52:16 +0200 | [diff] [blame] | 919 | DEBUGP(DLSMS, "receiving data (trans_id=%x, msg_type=%s)\n", transaction_id, |
| 920 | gsm48_pdisc_msgtype_name(gsm48_hdr_pdisc(gh), gsm48_hdr_msg_type(gh))); |
| 921 | |
Jacob Erlbeck | dae1f64 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 922 | trans = trans_find_by_id(conn, GSM48_PDISC_SMS, transaction_id); |
Holger Hans Peter Freyther | ba36bf4 | 2013-01-13 16:23:36 +0100 | [diff] [blame] | 923 | |
| 924 | /* |
| 925 | * A transaction we created but don't know about? |
| 926 | */ |
| 927 | if (!trans && (transaction_id & 0x8) == 0) { |
| 928 | LOGP(DLSMS, LOGL_ERROR, "trans_id=%x allocated by us but known " |
| 929 | "to us anymore. We are ignoring it, maybe a CP-ERROR " |
| 930 | "from a MS?\n", |
| 931 | transaction_id); |
| 932 | return -EINVAL; |
| 933 | } |
| 934 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 935 | if (!trans) { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 936 | DEBUGP(DLSMS, " -> (new transaction)\n"); |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 937 | trans = trans_alloc(conn->network, conn->vsub, |
Jacob Erlbeck | af792d6 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 938 | GSM48_PDISC_SMS, |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 939 | transaction_id, new_callref++); |
| 940 | if (!trans) { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 941 | DEBUGP(DLSMS, " -> No memory for trans\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 942 | /* FIXME: send some error message */ |
| 943 | return -ENOMEM; |
| 944 | } |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 945 | gsm411_smc_init(&trans->sms.smc_inst, 0, 1, |
| 946 | gsm411_mn_recv, gsm411_mm_send); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 947 | gsm411_smr_init(&trans->sms.smr_inst, 0, 1, |
| 948 | gsm411_rl_recv, gsm411_mn_send); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 949 | |
Neels Hofmeyr | 6166f29 | 2017-11-22 14:33:12 +0100 | [diff] [blame] | 950 | trans->conn = msc_subscr_conn_get(conn, MSC_CONN_USE_TRANS_SMS); |
Harald Welte | 0e2fa5d | 2018-04-09 16:35:01 +0200 | [diff] [blame] | 951 | trans->dlci = OMSC_LINKID_CB(msg); /* DLCI as received from BSC */ |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 952 | |
| 953 | new_trans = 1; |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 954 | cm_service_request_concludes(conn, msg); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 955 | } |
| 956 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 957 | /* 5.4: For MO, if a CP-DATA is received for a new |
| 958 | * transaction, equals reception of an implicit |
| 959 | * last CP-ACK for previous transaction */ |
| 960 | if (trans->sms.smc_inst.cp_state == GSM411_CPS_IDLE |
| 961 | && msg_type == GSM411_MT_CP_DATA) { |
| 962 | int i; |
| 963 | struct gsm_trans *ptrans; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 964 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 965 | /* Scan through all remote initiated transactions */ |
| 966 | for (i=8; i<15; i++) { |
| 967 | if (i == transaction_id) |
| 968 | continue; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 969 | |
Jacob Erlbeck | dae1f64 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 970 | ptrans = trans_find_by_id(conn, GSM48_PDISC_SMS, i); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 971 | if (!ptrans) |
| 972 | continue; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 973 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 974 | DEBUGP(DLSMS, "Implicit CP-ACK for trans_id=%x\n", i); |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 975 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 976 | /* Finish it for good */ |
| 977 | trans_free(ptrans); |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 978 | } |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 979 | } |
| 980 | |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 981 | msc_subscr_conn_communicating(conn); |
| 982 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 983 | gsm411_smc_recv(&trans->sms.smc_inst, |
| 984 | (new_trans) ? GSM411_MMSMS_EST_IND : GSM411_MMSMS_DATA_IND, |
| 985 | msg, msg_type); |
| 986 | |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 987 | return rc; |
| 988 | } |
| 989 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 990 | /* Take a SMS in gsm_sms structure and send it through an already |
Neels Hofmeyr | e2f24d5 | 2017-05-08 15:12:20 +0200 | [diff] [blame] | 991 | * existing conn. We also assume that the caller ensured this conn already |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 992 | * has a SAPI3 RLL connection! */ |
Holger Hans Peter Freyther | 11b28f9 | 2010-12-24 13:48:27 +0100 | [diff] [blame] | 993 | int gsm411_send_sms(struct gsm_subscriber_connection *conn, struct gsm_sms *sms) |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 994 | { |
| 995 | struct msgb *msg = gsm411_msgb_alloc(); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 996 | struct gsm_trans *trans; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 997 | uint8_t *data, *rp_ud_len; |
Neels Hofmeyr | 79e580b | 2018-03-22 16:48:22 +0100 | [diff] [blame] | 998 | uint8_t msg_ref = conn->next_rp_ref++; |
Sylvain Munaut | c4052cf | 2009-12-24 13:27:36 +0100 | [diff] [blame] | 999 | int transaction_id; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1000 | int rc; |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 1001 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1002 | transaction_id = |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 1003 | trans_assign_trans_id(conn->network, conn->vsub, |
Jacob Erlbeck | dae1f64 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 1004 | GSM48_PDISC_SMS, 0); |
Harald Welte | 4983921 | 2009-12-22 13:45:58 +0100 | [diff] [blame] | 1005 | if (transaction_id == -1) { |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 1006 | LOGP(DLSMS, LOGL_ERROR, "No available transaction ids\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 1007 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 1008 | sms_free(sms); |
Holger Hans Peter Freyther | 29d58b7 | 2015-08-12 13:35:46 +0200 | [diff] [blame] | 1009 | msgb_free(msg); |
Harald Welte | 4983921 | 2009-12-22 13:45:58 +0100 | [diff] [blame] | 1010 | return -EBUSY; |
| 1011 | } |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 1012 | |
Neels Hofmeyr | 1e918c3 | 2016-05-09 21:48:53 +0200 | [diff] [blame] | 1013 | DEBUGP(DLSMS, "%s()\n", __func__); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1014 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1015 | /* FIXME: allocate transaction with message reference */ |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 1016 | trans = trans_alloc(conn->network, conn->vsub, |
Jacob Erlbeck | af792d6 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 1017 | GSM48_PDISC_SMS, |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1018 | transaction_id, new_callref++); |
| 1019 | if (!trans) { |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 1020 | LOGP(DLSMS, LOGL_ERROR, "No memory for trans\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 1021 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 1022 | sms_free(sms); |
Holger Hans Peter Freyther | 29d58b7 | 2015-08-12 13:35:46 +0200 | [diff] [blame] | 1023 | msgb_free(msg); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1024 | /* FIXME: send some error message */ |
| 1025 | return -ENOMEM; |
| 1026 | } |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1027 | gsm411_smc_init(&trans->sms.smc_inst, sms->id, 1, |
| 1028 | gsm411_mn_recv, gsm411_mm_send); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 1029 | gsm411_smr_init(&trans->sms.smr_inst, sms->id, 1, |
| 1030 | gsm411_rl_recv, gsm411_mn_send); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1031 | trans->sms.sms = sms; |
| 1032 | |
Neels Hofmeyr | 6166f29 | 2017-11-22 14:33:12 +0100 | [diff] [blame] | 1033 | trans->conn = msc_subscr_conn_get(conn, MSC_CONN_USE_TRANS_SMS); |
Harald Welte | 0e2fa5d | 2018-04-09 16:35:01 +0200 | [diff] [blame] | 1034 | trans->dlci = 0x03; |
| 1035 | /* FIXME: specify SACCH in case we already have active TCH */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1036 | |
| 1037 | /* Hardcode SMSC Originating Address for now */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 1038 | data = (uint8_t *)msgb_put(msg, 8); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 1039 | data[0] = 0x07; /* originator length == 7 */ |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 1040 | data[1] = 0x91; /* type of number: international, ISDN */ |
| 1041 | data[2] = 0x44; /* 447785016005 */ |
Daniel Willmann | a3e2984 | 2008-12-29 16:03:54 +0000 | [diff] [blame] | 1042 | data[3] = 0x77; |
| 1043 | data[4] = 0x58; |
| 1044 | data[5] = 0x10; |
| 1045 | data[6] = 0x06; |
| 1046 | data[7] = 0x50; |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 1047 | |
| 1048 | /* Hardcoded Destination Address */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 1049 | data = (uint8_t *)msgb_put(msg, 1); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 1050 | data[0] = 0; /* destination length == 0 */ |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 1051 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1052 | /* obtain a pointer for the rp_ud_len, so we can fill it later */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 1053 | rp_ud_len = (uint8_t *)msgb_put(msg, 1); |
Daniel Willmann | 4a1e879 | 2008-12-29 06:23:56 +0000 | [diff] [blame] | 1054 | |
Pablo Neira Ayuso | bd71d32 | 2017-08-07 14:01:40 +0100 | [diff] [blame] | 1055 | if (sms->is_report) { |
| 1056 | /* generate the 03.40 SMS-STATUS-REPORT TPDU */ |
| 1057 | rc = gsm340_gen_sms_status_report_tpdu(msg, sms); |
| 1058 | } else { |
| 1059 | /* generate the 03.40 SMS-DELIVER TPDU */ |
| 1060 | rc = gsm340_gen_sms_deliver_tpdu(msg, sms); |
| 1061 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1062 | if (rc < 0) { |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 1063 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 1064 | sms_free(sms); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1065 | trans->sms.sms = NULL; |
| 1066 | trans_free(trans); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1067 | msgb_free(msg); |
| 1068 | return rc; |
| 1069 | } |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 1070 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1071 | *rp_ud_len = rc; |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 1072 | |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 1073 | DEBUGP(DLSMS, "TX: SMS DELIVER\n"); |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 1074 | |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 1075 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[MSC_CTR_SMS_DELIVERED]); |
Nico Golde | 1e5ed4e | 2010-09-16 17:50:29 +0200 | [diff] [blame] | 1076 | db_sms_inc_deliver_attempts(trans->sms.sms); |
Harald Welte | 24ff6ee | 2009-12-22 00:41:05 +0100 | [diff] [blame] | 1077 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 1078 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, |
| 1079 | GSM411_MT_RP_DATA_MT, msg_ref, GSM411_SM_RL_DATA_REQ); |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 1080 | } |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1081 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 1082 | /* paging callback. Here we get called if paging a subscriber has |
| 1083 | * succeeded or failed. */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1084 | static int paging_cb_send_sms(unsigned int hooknum, unsigned int event, |
Holger Hans Peter Freyther | 86481c2 | 2010-06-17 15:05:57 +0800 | [diff] [blame] | 1085 | struct msgb *msg, void *_conn, void *_sms) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1086 | { |
Holger Hans Peter Freyther | 86481c2 | 2010-06-17 15:05:57 +0800 | [diff] [blame] | 1087 | struct gsm_subscriber_connection *conn = _conn; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1088 | struct gsm_sms *sms = _sms; |
Holger Hans Peter Freyther | 4cd5158 | 2010-06-14 16:03:03 +0800 | [diff] [blame] | 1089 | int rc = 0; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 1090 | |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 1091 | DEBUGP(DLSMS, "paging_cb_send_sms(hooknum=%u, event=%u, msg=%p," |
Holger Hans Peter Freyther | 52ffb92 | 2010-12-29 14:02:34 +0100 | [diff] [blame] | 1092 | "conn=%p, sms=%p/id: %llu)\n", hooknum, event, msg, conn, sms, sms->id); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1093 | |
| 1094 | if (hooknum != GSM_HOOK_RR_PAGING) |
| 1095 | return -EINVAL; |
| 1096 | |
| 1097 | switch (event) { |
| 1098 | case GSM_PAGING_SUCCEEDED: |
Holger Hans Peter Freyther | 86481c2 | 2010-06-17 15:05:57 +0800 | [diff] [blame] | 1099 | gsm411_send_sms(conn, sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1100 | break; |
| 1101 | case GSM_PAGING_EXPIRED: |
Holger Hans Peter Freyther | d3baf41 | 2010-12-23 18:19:17 +0100 | [diff] [blame] | 1102 | case GSM_PAGING_BUSY: |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 1103 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, event); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1104 | sms_free(sms); |
| 1105 | rc = -ETIMEDOUT; |
| 1106 | break; |
Holger Hans Peter Freyther | 52ffb92 | 2010-12-29 14:02:34 +0100 | [diff] [blame] | 1107 | default: |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 1108 | LOGP(DLSMS, LOGL_ERROR, "Unhandled paging event: %d\n", event); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1109 | } |
| 1110 | |
| 1111 | return rc; |
| 1112 | } |
| 1113 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 1114 | /* high-level function to send a SMS to a given subscriber. The function |
| 1115 | * will take care of paging the subscriber, establishing the RLL SAPI3 |
| 1116 | * connection, etc. */ |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 1117 | int gsm411_send_sms_subscr(struct vlr_subscr *vsub, |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1118 | struct gsm_sms *sms) |
| 1119 | { |
Holger Hans Peter Freyther | b2be195 | 2010-06-16 13:23:55 +0800 | [diff] [blame] | 1120 | struct gsm_subscriber_connection *conn; |
Holger Hans Peter Freyther | d6d7aff | 2015-04-06 12:03:45 +0200 | [diff] [blame] | 1121 | void *res; |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 1122 | |
Neels Hofmeyr | e2f24d5 | 2017-05-08 15:12:20 +0200 | [diff] [blame] | 1123 | /* check if we already have an open conn to the subscriber. |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1124 | * if yes, send the SMS this way */ |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 1125 | conn = connection_for_subscr(vsub); |
Holger Hans Peter Freyther | b2be195 | 2010-06-16 13:23:55 +0800 | [diff] [blame] | 1126 | if (conn) { |
Neels Hofmeyr | 1e918c3 | 2016-05-09 21:48:53 +0200 | [diff] [blame] | 1127 | LOGP(DLSMS, LOGL_DEBUG, "Sending SMS via already open connection %p to %s\n", |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 1128 | conn, vlr_subscr_name(vsub)); |
Holger Hans Peter Freyther | 0fbb3ec | 2010-06-16 14:19:31 +0800 | [diff] [blame] | 1129 | return gsm411_send_sms(conn, sms); |
Holger Hans Peter Freyther | ecd9933 | 2010-06-15 12:53:08 +0800 | [diff] [blame] | 1130 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1131 | |
| 1132 | /* if not, we have to start paging */ |
Neels Hofmeyr | 1e918c3 | 2016-05-09 21:48:53 +0200 | [diff] [blame] | 1133 | LOGP(DLSMS, LOGL_DEBUG, "Sending SMS: no connection open, start paging %s\n", |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 1134 | vlr_subscr_name(vsub)); |
Neels Hofmeyr | 84da6b1 | 2016-05-20 21:59:55 +0200 | [diff] [blame] | 1135 | res = subscr_request_conn(vsub, paging_cb_send_sms, sms, "send SMS"); |
Holger Hans Peter Freyther | d6d7aff | 2015-04-06 12:03:45 +0200 | [diff] [blame] | 1136 | if (!res) { |
| 1137 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, GSM_PAGING_BUSY); |
| 1138 | sms_free(sms); |
| 1139 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1140 | return 0; |
| 1141 | } |
Harald Welte | 3366a94 | 2009-07-28 00:44:49 +0200 | [diff] [blame] | 1142 | |
Harald Welte (local) | 86b1717 | 2009-08-14 14:52:17 +0200 | [diff] [blame] | 1143 | void _gsm411_sms_trans_free(struct gsm_trans *trans) |
| 1144 | { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1145 | /* cleanup SMS instance */ |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 1146 | gsm411_smr_clear(&trans->sms.smr_inst); |
| 1147 | trans->sms.smr_inst.rl_recv = NULL; |
| 1148 | trans->sms.smr_inst.mn_send = NULL; |
| 1149 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1150 | gsm411_smc_clear(&trans->sms.smc_inst); |
| 1151 | trans->sms.smc_inst.mn_recv = NULL; |
| 1152 | trans->sms.smc_inst.mm_send = NULL; |
| 1153 | |
Holger Hans Peter Freyther | cea722b | 2010-06-15 12:29:37 +0800 | [diff] [blame] | 1154 | if (trans->sms.sms) { |
Holger Hans Peter Freyther | eff40949 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 1155 | LOGP(DLSMS, LOGL_ERROR, "Transaction contains SMS.\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 1156 | 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] | 1157 | sms_free(trans->sms.sms); |
| 1158 | trans->sms.sms = NULL; |
| 1159 | } |
Harald Welte (local) | 86b1717 | 2009-08-14 14:52:17 +0200 | [diff] [blame] | 1160 | } |
| 1161 | |
Harald Welte | 2483f1b | 2016-06-19 18:06:02 +0200 | [diff] [blame] | 1162 | /* Process incoming SAPI N-REJECT from BSC */ |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1163 | void gsm411_sapi_n_reject(struct gsm_subscriber_connection *conn) |
| 1164 | { |
Holger Hans Peter Freyther | 79eff7e | 2010-12-27 23:25:53 +0100 | [diff] [blame] | 1165 | struct gsm_network *net; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1166 | struct gsm_trans *trans, *tmp; |
| 1167 | |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 1168 | net = conn->network; |
Holger Hans Peter Freyther | 79eff7e | 2010-12-27 23:25:53 +0100 | [diff] [blame] | 1169 | |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1170 | llist_for_each_entry_safe(trans, tmp, &net->trans_list, entry) { |
| 1171 | struct gsm_sms *sms; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1172 | |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1173 | if (trans->conn != conn) |
| 1174 | continue; |
| 1175 | if (trans->protocol != GSM48_PDISC_SMS) |
| 1176 | continue; |
| 1177 | |
| 1178 | sms = trans->sms.sms; |
| 1179 | if (!sms) { |
| 1180 | LOGP(DLSMS, LOGL_ERROR, "SAPI Reject but no SMS.\n"); |
| 1181 | continue; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1182 | } |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1183 | |
| 1184 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
| 1185 | sms_free(sms); |
| 1186 | trans->sms.sms = NULL; |
| 1187 | trans_free(trans); |
| 1188 | } |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1189 | } |
| 1190 | |