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 | |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 46 | #include <openbsc/debug.h> |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 47 | #include <openbsc/gsm_data.h> |
Nico Golde | f11af07 | 2010-09-15 19:49:55 +0200 | [diff] [blame] | 48 | #include <openbsc/db.h> |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 49 | #include <openbsc/gsm_subscriber.h> |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 50 | #include <openbsc/gsm_04_08.h> |
| 51 | #include <openbsc/abis_rsl.h> |
Holger Freyther | 9b17776 | 2009-02-16 19:07:18 +0000 | [diff] [blame] | 52 | #include <openbsc/signal.h> |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 53 | #include <openbsc/db.h> |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 54 | #include <openbsc/transaction.h> |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 55 | #include <openbsc/paging.h> |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 56 | #include <openbsc/bsc_rll.h> |
Holger Hans Peter Freyther | 34e9749 | 2009-08-10 07:54:02 +0200 | [diff] [blame] | 57 | #include <openbsc/chan_alloc.h> |
Holger Hans Peter Freyther | cbac76e | 2010-05-23 21:05:18 +0800 | [diff] [blame] | 58 | #include <openbsc/bsc_api.h> |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 59 | |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 60 | #ifdef BUILD_SMPP |
| 61 | #include "smpp_smsc.h" |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 62 | #endif |
| 63 | |
Harald Welte (local) | d19e58b | 2009-08-15 02:30:58 +0200 | [diff] [blame] | 64 | void *tall_gsms_ctx; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 65 | static uint32_t new_callref = 0x40000001; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 66 | |
Holger Hans Peter Freyther | 0fbb3ec | 2010-06-16 14:19:31 +0800 | [diff] [blame] | 67 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 68 | struct gsm_sms *sms_alloc(void) |
| 69 | { |
| 70 | return talloc_zero(tall_gsms_ctx, struct gsm_sms); |
| 71 | } |
| 72 | |
| 73 | void sms_free(struct gsm_sms *sms) |
| 74 | { |
| 75 | /* drop references to subscriber structure */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 76 | if (sms->receiver) |
| 77 | subscr_put(sms->receiver); |
Harald Welte | 6c7680d | 2012-11-16 22:15:22 +0100 | [diff] [blame] | 78 | #ifdef BUILD_SMPP |
Harald Welte | e94db49 | 2012-11-08 20:11:05 +0100 | [diff] [blame] | 79 | if (sms->smpp.esme) |
| 80 | smpp_esme_put(sms->smpp.esme); |
Harald Welte | 6c7680d | 2012-11-16 22:15:22 +0100 | [diff] [blame] | 81 | #endif |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 82 | |
| 83 | talloc_free(sms); |
| 84 | } |
| 85 | |
Sylvain Munaut | 01c13a3 | 2012-12-28 00:49:01 +0100 | [diff] [blame] | 86 | struct gsm_sms *sms_from_text(struct gsm_subscriber *receiver, |
| 87 | struct gsm_subscriber *sender, |
| 88 | int dcs, const char *text) |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 89 | { |
| 90 | struct gsm_sms *sms = sms_alloc(); |
| 91 | |
| 92 | if (!sms) |
| 93 | return NULL; |
| 94 | |
| 95 | sms->receiver = subscr_get(receiver); |
Neels Hofmeyr | 93bafb6 | 2017-01-13 03:12:08 +0100 | [diff] [blame] | 96 | osmo_strlcpy(sms->text, text, sizeof(sms->text)); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 97 | |
Neels Hofmeyr | 93bafb6 | 2017-01-13 03:12:08 +0100 | [diff] [blame] | 98 | osmo_strlcpy(sms->src.addr, sender->extension, sizeof(sms->src.addr)); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 99 | sms->reply_path_req = 0; |
| 100 | sms->status_rep_req = 0; |
| 101 | sms->ud_hdr_ind = 0; |
| 102 | sms->protocol_id = 0; /* implicit */ |
Holger Hans Peter Freyther | cdfcbee | 2011-01-10 15:34:09 +0100 | [diff] [blame] | 103 | sms->data_coding_scheme = dcs; |
Neels Hofmeyr | 93bafb6 | 2017-01-13 03:12:08 +0100 | [diff] [blame] | 104 | osmo_strlcpy(sms->dst.addr, receiver->extension, sizeof(sms->dst.addr)); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 105 | /* Generate user_data */ |
Holger Hans Peter Freyther | 91acfa0 | 2013-12-26 22:33:02 +0100 | [diff] [blame] | 106 | sms->user_data_len = gsm_7bit_encode_n(sms->user_data, sizeof(sms->user_data), |
| 107 | sms->text, NULL); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 108 | |
| 109 | return sms; |
| 110 | } |
| 111 | |
| 112 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 113 | static void send_signal(int sig_no, |
| 114 | struct gsm_trans *trans, |
| 115 | struct gsm_sms *sms, |
| 116 | int paging_result) |
| 117 | { |
| 118 | struct sms_signal_data sig; |
| 119 | sig.trans = trans; |
| 120 | sig.sms = sms; |
| 121 | sig.paging_result = paging_result; |
Pablo Neira Ayuso | bbc5b99 | 2011-05-06 12:12:31 +0200 | [diff] [blame] | 122 | osmo_signal_dispatch(SS_SMS, sig_no, &sig); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 123 | } |
| 124 | |
Holger Hans Peter Freyther | 536a10b | 2012-11-24 17:13:56 +0100 | [diff] [blame] | 125 | static int gsm411_sendmsg(struct gsm_subscriber_connection *conn, struct msgb *msg) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 126 | { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 127 | DEBUGP(DLSMS, "GSM4.11 TX %s\n", osmo_hexdump(msg->data, msg->len)); |
Holger Hans Peter Freyther | ec32b58 | 2010-03-23 07:40:46 +0100 | [diff] [blame] | 128 | msg->l3h = msg->data; |
Holger Hans Peter Freyther | 536a10b | 2012-11-24 17:13:56 +0100 | [diff] [blame] | 129 | return gsm0808_submit_dtap(conn, msg, UM_SAPI_SMS, 1); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 130 | } |
| 131 | |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 132 | /* Prefix msg with a 04.08/04.11 CP header */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 133 | 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] | 134 | uint8_t msg_type) |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 135 | { |
| 136 | struct gsm48_hdr *gh; |
| 137 | |
| 138 | gh = (struct gsm48_hdr *) msgb_push(msg, sizeof(*gh)); |
| 139 | /* Outgoing needs the highest bit set */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 140 | gh->proto_discr = trans->protocol | (trans->transaction_id<<4); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 141 | gh->msg_type = msg_type; |
| 142 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 143 | DEBUGP(DLSMS, "sending CP message (trans=%x)\n", trans->transaction_id); |
Harald Welte (local) | c89a511 | 2009-08-14 10:42:43 +0200 | [diff] [blame] | 144 | |
Holger Hans Peter Freyther | 536a10b | 2012-11-24 17:13:56 +0100 | [diff] [blame] | 145 | return gsm411_sendmsg(trans->conn, msg); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 146 | } |
| 147 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 148 | /* mm_send: receive MMCCSMS sap message from SMC */ |
| 149 | static int gsm411_mm_send(struct gsm411_smc_inst *inst, int msg_type, |
| 150 | struct msgb *msg, int cp_msg_type) |
| 151 | { |
| 152 | struct gsm_trans *trans = |
| 153 | container_of(inst, struct gsm_trans, sms.smc_inst); |
| 154 | int rc = 0; |
| 155 | |
| 156 | switch (msg_type) { |
| 157 | case GSM411_MMSMS_EST_REQ: |
| 158 | /* recycle msg */ |
| 159 | rc = gsm411_smc_recv(inst, GSM411_MMSMS_EST_CNF, msg, 0); |
| 160 | msgb_free(msg); /* upper layer does not free msg */ |
| 161 | break; |
| 162 | case GSM411_MMSMS_DATA_REQ: |
| 163 | rc = gsm411_cp_sendmsg(msg, trans, cp_msg_type); |
| 164 | break; |
| 165 | case GSM411_MMSMS_REL_REQ: |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 166 | DEBUGP(DLSMS, "Got MMSMS_REL_REQ, destroying transaction.\n"); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 167 | msgb_free(msg); |
| 168 | trans_free(trans); |
| 169 | break; |
| 170 | default: |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 171 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled MMCCSMS msg 0x%x\n", msg_type); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 172 | msgb_free(msg); |
| 173 | rc = -EINVAL; |
| 174 | } |
| 175 | |
| 176 | return rc; |
| 177 | } |
| 178 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 179 | /* mm_send: receive MNCCSMS sap message from SMR */ |
| 180 | int gsm411_mn_send(struct gsm411_smr_inst *inst, int msg_type, |
| 181 | struct msgb *msg) |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 182 | { |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 183 | struct gsm_trans *trans = |
| 184 | container_of(inst, struct gsm_trans, sms.smr_inst); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 185 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 186 | /* forward to SMC */ |
| 187 | return gsm411_smc_send(&trans->sms.smc_inst, msg_type, msg); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 188 | } |
| 189 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 190 | static int gsm340_rx_sms_submit(struct msgb *msg, struct gsm_sms *gsms) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 191 | { |
| 192 | if (db_sms_store(gsms) != 0) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 193 | LOGP(DLSMS, LOGL_ERROR, "Failed to store SMS in Database\n"); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 194 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 195 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 196 | /* dispatch a signal to tell higher level about it */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 197 | send_signal(S_SMS_SUBMITTED, NULL, gsms, 0); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 198 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 199 | return 0; |
| 200 | } |
| 201 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 202 | /* 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] | 203 | 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] | 204 | const struct gsm_sms_addr *src) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 205 | { |
Holger Hans Peter Freyther | 366c331 | 2012-11-10 18:24:54 +0100 | [diff] [blame] | 206 | /* network specific, private numbering plan */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 207 | 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] | 208 | } |
| 209 | |
Alexander Chemeris | 9e15e18 | 2014-03-08 23:54:28 +0100 | [diff] [blame] | 210 | /* generate a msgb containing an 03.40 9.2.2.1 SMS-DELIVER TPDU derived from |
| 211 | * struct gsm_sms, returns total size of TPDU */ |
| 212 | 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] | 213 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 214 | uint8_t *smsp; |
| 215 | uint8_t oa[12]; /* max len per 03.40 */ |
| 216 | uint8_t oa_len = 0; |
| 217 | uint8_t octet_len; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 218 | unsigned int old_msg_len = msg->len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 219 | |
| 220 | /* generate first octet with masked bits */ |
| 221 | smsp = msgb_put(msg, 1); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 222 | /* TP-MTI (message type indicator) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 223 | *smsp = GSM340_SMS_DELIVER_SC2MS; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 224 | /* TP-MMS (more messages to send) */ |
| 225 | if (0 /* FIXME */) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 226 | *smsp |= 0x04; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 227 | /* TP-SRI(deliver)/SRR(submit) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 228 | if (sms->status_rep_req) |
| 229 | *smsp |= 0x20; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 230 | /* TP-UDHI (indicating TP-UD contains a header) */ |
| 231 | if (sms->ud_hdr_ind) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 232 | *smsp |= 0x40; |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 233 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 234 | /* generate originator address */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 235 | oa_len = gsm340_gen_oa_sub(oa, sizeof(oa), &sms->src); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 236 | smsp = msgb_put(msg, oa_len); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 237 | memcpy(smsp, oa, oa_len); |
| 238 | |
| 239 | /* generate TP-PID */ |
| 240 | smsp = msgb_put(msg, 1); |
| 241 | *smsp = sms->protocol_id; |
| 242 | |
| 243 | /* generate TP-DCS */ |
| 244 | smsp = msgb_put(msg, 1); |
| 245 | *smsp = sms->data_coding_scheme; |
| 246 | |
| 247 | /* generate TP-SCTS */ |
| 248 | smsp = msgb_put(msg, 7); |
| 249 | gsm340_gen_scts(smsp, time(NULL)); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 250 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 251 | /* generate TP-UDL */ |
| 252 | smsp = msgb_put(msg, 1); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 253 | *smsp = sms->user_data_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 254 | |
| 255 | /* generate TP-UD */ |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 256 | switch (gsm338_get_sms_alphabet(sms->data_coding_scheme)) { |
| 257 | case DCS_7BIT_DEFAULT: |
Daniel Willmann | 9aef145 | 2009-08-13 03:39:07 +0200 | [diff] [blame] | 258 | octet_len = sms->user_data_len*7/8; |
| 259 | if (sms->user_data_len*7%8 != 0) |
| 260 | octet_len++; |
Daniel Willmann | 6b1e822 | 2009-08-12 21:17:06 +0200 | [diff] [blame] | 261 | /* Warning, user_data_len indicates the amount of septets |
| 262 | * (characters), we need amount of octets occupied */ |
Daniel Willmann | 9aef145 | 2009-08-13 03:39:07 +0200 | [diff] [blame] | 263 | smsp = msgb_put(msg, octet_len); |
| 264 | memcpy(smsp, sms->user_data, octet_len); |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 265 | break; |
| 266 | case DCS_UCS2: |
| 267 | case DCS_8BIT_DATA: |
| 268 | smsp = msgb_put(msg, sms->user_data_len); |
| 269 | memcpy(smsp, sms->user_data, sms->user_data_len); |
| 270 | break; |
| 271 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 272 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled Data Coding Scheme: 0x%02X\n", |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 273 | sms->data_coding_scheme); |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 274 | break; |
Daniel Willmann | 6b1e822 | 2009-08-12 21:17:06 +0200 | [diff] [blame] | 275 | } |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 276 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 277 | return msg->len - old_msg_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 278 | } |
| 279 | |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 280 | int sms_route_mt_sms(struct gsm_subscriber_connection *conn, struct msgb *msg, |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 281 | struct gsm_sms *gsms, uint8_t sms_mti, bool *deferred) |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 282 | { |
| 283 | int rc; |
| 284 | |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 285 | #ifdef BUILD_SMPP |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 286 | int smpp_first = smpp_route_smpp_first(gsms, conn); |
| 287 | |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 288 | /* |
| 289 | * Route through SMPP first before going to the local database. In case |
| 290 | * of a unroutable message and no local subscriber, SMPP will be tried |
| 291 | * twice. In case of an unknown subscriber continue with the normal |
| 292 | * delivery of the SMS. |
| 293 | */ |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 294 | if (smpp_first) { |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 295 | rc = smpp_try_deliver(gsms, conn, deferred); |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 296 | if (rc == GSM411_RP_CAUSE_MO_NUM_UNASSIGNED) |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 297 | goto try_local; |
| 298 | if (rc < 0) { |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 299 | LOGP(DLSMS, LOGL_ERROR, "%s: SMS delivery error: %d.", |
| 300 | subscr_name(conn->subscr), rc); |
| 301 | rc = GSM411_RP_CAUSE_MO_TEMP_FAIL; |
| 302 | /* rc will be logged by gsm411_send_rp_error() */ |
| 303 | rate_ctr_inc(&conn->bts->network->msc_ctrs->ctr[ |
| 304 | MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR]); |
Holger Hans Peter Freyther | 42cf2e0 | 2015-07-06 16:41:30 +0200 | [diff] [blame] | 305 | } |
| 306 | return rc; |
| 307 | } |
| 308 | |
| 309 | try_local: |
| 310 | #endif |
| 311 | |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 312 | /* determine gsms->receiver based on dialled number */ |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 313 | gsms->receiver = subscr_get_by_extension(conn->network->subscr_group, |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 314 | gsms->dst.addr); |
| 315 | if (!gsms->receiver) { |
| 316 | #ifdef BUILD_SMPP |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 317 | /* Avoid a second look-up */ |
Alexander Couzens | 7130683 | 2016-07-12 16:52:32 +0200 | [diff] [blame] | 318 | if (smpp_first) { |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 319 | 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] | 320 | return GSM411_RP_CAUSE_MO_NUM_UNASSIGNED; |
Alexander Couzens | 7130683 | 2016-07-12 16:52:32 +0200 | [diff] [blame] | 321 | } |
Holger Hans Peter Freyther | 7c19c6b | 2015-07-13 10:39:51 +0200 | [diff] [blame] | 322 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 323 | rc = smpp_try_deliver(gsms, conn, deferred); |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 324 | if (rc == GSM411_RP_CAUSE_MO_NUM_UNASSIGNED) { |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 325 | 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] | 326 | } else if (rc < 0) { |
Alexander Couzens | aa386d2 | 2016-08-21 20:16:33 +0200 | [diff] [blame] | 327 | LOGP(DLSMS, LOGL_ERROR, "%s: SMS delivery error: %d.", |
| 328 | subscr_name(conn->subscr), rc); |
| 329 | rc = GSM411_RP_CAUSE_MO_TEMP_FAIL; |
| 330 | /* rc will be logged by gsm411_send_rp_error() */ |
| 331 | rate_ctr_inc(&conn->bts->network->msc_ctrs->ctr[ |
| 332 | MSC_CTR_SMS_DELIVER_UNKNOWN_ERROR]); |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 333 | } |
| 334 | #else |
Pablo Neira Ayuso | 638ad06 | 2017-05-03 18:59:05 +0200 | [diff] [blame] | 335 | rc = GSM411_RP_CAUSE_MO_NUM_UNASSIGNED; |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 336 | 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] | 337 | #endif |
Holger Hans Peter Freyther | dcbc833 | 2015-07-06 16:40:51 +0200 | [diff] [blame] | 338 | return rc; |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | switch (sms_mti) { |
| 342 | case GSM340_SMS_SUBMIT_MS2SC: |
| 343 | /* MS is submitting a SMS */ |
| 344 | rc = gsm340_rx_sms_submit(msg, gsms); |
| 345 | break; |
| 346 | case GSM340_SMS_COMMAND_MS2SC: |
| 347 | case GSM340_SMS_DELIVER_REP_MS2SC: |
| 348 | LOGP(DLSMS, LOGL_NOTICE, "Unimplemented MTI 0x%02x\n", sms_mti); |
| 349 | rc = GSM411_RP_CAUSE_IE_NOTEXIST; |
| 350 | break; |
| 351 | default: |
| 352 | LOGP(DLSMS, LOGL_NOTICE, "Undefined MTI 0x%02x\n", sms_mti); |
| 353 | rc = GSM411_RP_CAUSE_IE_NOTEXIST; |
| 354 | break; |
| 355 | } |
| 356 | |
| 357 | if (!rc && !gsms->receiver) |
| 358 | rc = GSM411_RP_CAUSE_MO_NUM_UNASSIGNED; |
| 359 | |
Holger Hans Peter Freyther | af1b968 | 2015-07-06 15:54:25 +0200 | [diff] [blame] | 360 | return rc; |
| 361 | } |
| 362 | |
| 363 | |
Holger Hans Peter Freyther | acf8a0c | 2010-03-29 08:47:44 +0200 | [diff] [blame] | 364 | /* process an incoming TPDU (called from RP-DATA) |
| 365 | * 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] | 366 | static int gsm340_rx_tpdu(struct gsm_trans *trans, struct msgb *msg, |
| 367 | uint32_t gsm411_msg_ref, bool *deferred) |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 368 | { |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 369 | struct gsm_subscriber_connection *conn = trans->conn; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 370 | uint8_t *smsp = msgb_sms(msg); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 371 | struct gsm_sms *gsms; |
Harald Welte | 258c713 | 2011-07-16 13:34:52 +0200 | [diff] [blame] | 372 | unsigned int sms_alphabet; |
Neels Hofmeyr | 58d5430 | 2016-02-24 19:30:52 +0100 | [diff] [blame] | 373 | uint8_t sms_mti, sms_vpf; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 374 | uint8_t *sms_vp; |
| 375 | uint8_t da_len_bytes; |
| 376 | 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] | 377 | int rc = 0; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 378 | |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 379 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[MSC_CTR_SMS_SUBMITTED]); |
Harald Welte | 24ff6ee | 2009-12-22 00:41:05 +0100 | [diff] [blame] | 380 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 381 | gsms = sms_alloc(); |
| 382 | if (!gsms) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 383 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 384 | |
| 385 | /* invert those fields where 0 means active/present */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 386 | sms_mti = *smsp & 0x03; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 387 | sms_vpf = (*smsp & 0x18) >> 3; |
| 388 | gsms->status_rep_req = (*smsp & 0x20); |
| 389 | gsms->ud_hdr_ind = (*smsp & 0x40); |
Neels Hofmeyr | 58d5430 | 2016-02-24 19:30:52 +0100 | [diff] [blame] | 390 | /* |
| 391 | * Not evaluating MMS (More Messages to Send) because the |
| 392 | * lchan stays open anyway. |
| 393 | * Not evaluating RP (Reply Path) because we're not aware of its |
| 394 | * benefits. |
| 395 | */ |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 396 | |
| 397 | smsp++; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 398 | gsms->msg_ref = *smsp++; |
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 | gsms->gsm411.transaction_id = trans->transaction_id; |
| 401 | gsms->gsm411.msg_ref = gsm411_msg_ref; |
| 402 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 403 | /* length in bytes of the destination address */ |
| 404 | da_len_bytes = 2 + *smsp/2 + *smsp%2; |
| 405 | if (da_len_bytes > 12) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 406 | LOGP(DLSMS, LOGL_ERROR, "Destination Address > 12 bytes ?!?\n"); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 407 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 408 | goto out; |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 409 | } else if (da_len_bytes < 4) { |
| 410 | LOGP(DLSMS, LOGL_ERROR, "Destination Address < 4 bytes ?!?\n"); |
| 411 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
| 412 | goto out; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 413 | } |
Harald Welte | 3cfdb22 | 2009-06-12 02:42:11 +0800 | [diff] [blame] | 414 | memset(address_lv, 0, sizeof(address_lv)); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 415 | memcpy(address_lv, smsp, da_len_bytes); |
| 416 | /* mangle first byte to reflect length in bytes, not digits */ |
Harald Welte | 3cfdb22 | 2009-06-12 02:42:11 +0800 | [diff] [blame] | 417 | address_lv[0] = da_len_bytes - 1; |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 418 | |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 419 | gsms->dst.ton = (address_lv[1] >> 4) & 7; |
| 420 | gsms->dst.npi = address_lv[1] & 0xF; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 421 | /* convert to real number */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 422 | gsm48_decode_bcd_number(gsms->dst.addr, |
| 423 | sizeof(gsms->dst.addr), address_lv, 1); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 424 | smsp += da_len_bytes; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 425 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 426 | gsms->protocol_id = *smsp++; |
| 427 | gsms->data_coding_scheme = *smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 428 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 429 | sms_alphabet = gsm338_get_sms_alphabet(gsms->data_coding_scheme); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 430 | if (sms_alphabet == 0xffffffff) { |
Alexander Chemeris | 4ad593c | 2013-10-04 02:42:27 +0200 | [diff] [blame] | 431 | rc = GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
| 432 | goto out; |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 433 | } |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 434 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 435 | switch (sms_vpf) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 436 | case GSM340_TP_VPF_RELATIVE: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 437 | sms_vp = smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 438 | break; |
| 439 | case GSM340_TP_VPF_ABSOLUTE: |
| 440 | case GSM340_TP_VPF_ENHANCED: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 441 | sms_vp = smsp; |
Steffen Neubauer | f326267 | 2009-11-26 12:28:41 +0100 | [diff] [blame] | 442 | /* the additional functionality indicator... */ |
Steffen Neubauer | ac0c13c | 2009-12-05 12:44:41 +0100 | [diff] [blame] | 443 | if (sms_vpf == GSM340_TP_VPF_ENHANCED && *smsp & (1<<7)) |
| 444 | smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 445 | smsp += 7; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 446 | break; |
Daniel Willmann | 58c83d8 | 2009-08-13 03:40:49 +0200 | [diff] [blame] | 447 | case GSM340_TP_VPF_NONE: |
| 448 | sms_vp = 0; |
| 449 | break; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 450 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 451 | LOGP(DLSMS, LOGL_NOTICE, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 452 | "SMS Validity period not implemented: 0x%02x\n", sms_vpf); |
Alexander Chemeris | 4ad593c | 2013-10-04 02:42:27 +0200 | [diff] [blame] | 453 | rc = GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
| 454 | goto out; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 455 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 456 | gsms->user_data_len = *smsp++; |
| 457 | if (gsms->user_data_len) { |
| 458 | memcpy(gsms->user_data, smsp, gsms->user_data_len); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 459 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 460 | switch (sms_alphabet) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 461 | case DCS_7BIT_DEFAULT: |
Harald Welte | 5468f76 | 2015-01-01 12:41:17 +0100 | [diff] [blame] | 462 | gsm_7bit_decode_n(gsms->text, sizeof(gsms->text), smsp, |
| 463 | gsms->user_data_len); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 464 | break; |
| 465 | case DCS_8BIT_DATA: |
| 466 | case DCS_UCS2: |
| 467 | case DCS_NONE: |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 468 | break; |
| 469 | } |
| 470 | } |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 471 | |
Neels Hofmeyr | 93bafb6 | 2017-01-13 03:12:08 +0100 | [diff] [blame] | 472 | osmo_strlcpy(gsms->src.addr, conn->subscr->extension, |
| 473 | sizeof(gsms->src.addr)); |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 474 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 475 | 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] | 476 | "MR: 0x%02x PID: 0x%02x, DCS: 0x%02x, DA: %s, " |
| 477 | "UserDataLength: 0x%02x, UserData: \"%s\"\n", |
Holger Hans Peter Freyther | ca3c256 | 2013-10-08 03:17:30 +0200 | [diff] [blame] | 478 | subscr_name(conn->subscr), sms_mti, sms_vpf, gsms->msg_ref, |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 479 | gsms->protocol_id, gsms->data_coding_scheme, gsms->dst.addr, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 480 | gsms->user_data_len, |
Holger Hans Peter Freyther | acf8a0c | 2010-03-29 08:47:44 +0200 | [diff] [blame] | 481 | sms_alphabet == DCS_7BIT_DEFAULT ? gsms->text : |
Pablo Neira Ayuso | c0d17f2 | 2011-05-07 12:12:48 +0200 | [diff] [blame] | 482 | osmo_hexdump(gsms->user_data, gsms->user_data_len)); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 483 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 484 | gsms->validity_minutes = gsm340_validity_period(sms_vpf, sms_vp); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 485 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 486 | /* FIXME: This looks very wrong */ |
| 487 | send_signal(0, NULL, gsms, 0); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 488 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 489 | rc = sms_route_mt_sms(conn, msg, gsms, sms_mti, deferred); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 490 | out: |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 491 | if (!deferred) |
| 492 | sms_free(gsms); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 493 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 494 | return rc; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 495 | } |
| 496 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 497 | /* Prefix msg with a RP-DATA header and send as SMR DATA */ |
| 498 | static int gsm411_rp_sendmsg(struct gsm411_smr_inst *inst, struct msgb *msg, |
| 499 | uint8_t rp_msg_type, uint8_t rp_msg_ref, |
| 500 | int rl_msg_type) |
| 501 | { |
| 502 | struct gsm411_rp_hdr *rp; |
| 503 | uint8_t len = msg->len; |
| 504 | |
| 505 | /* GSM 04.11 RP-DATA header */ |
| 506 | rp = (struct gsm411_rp_hdr *)msgb_push(msg, sizeof(*rp)); |
| 507 | rp->len = len + 2; |
| 508 | rp->msg_type = rp_msg_type; |
Holger Hans Peter Freyther | ca11443 | 2014-02-08 15:20:48 +0100 | [diff] [blame] | 509 | rp->msg_ref = rp_msg_ref; |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 510 | |
| 511 | return gsm411_smr_send(inst, rl_msg_type, msg); |
| 512 | } |
| 513 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 514 | 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] | 515 | { |
| 516 | struct msgb *msg = gsm411_msgb_alloc(); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 517 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 518 | DEBUGP(DLSMS, "TX: SMS RP ACK\n"); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 519 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 520 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, GSM411_MT_RP_ACK_MT, |
| 521 | msg_ref, GSM411_SM_RL_REPORT_REQ); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 522 | } |
| 523 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 524 | int gsm411_send_rp_error(struct gsm_trans *trans, uint8_t msg_ref, |
| 525 | uint8_t cause) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 526 | { |
| 527 | struct msgb *msg = gsm411_msgb_alloc(); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 528 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 529 | msgb_tv_put(msg, 1, cause); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 530 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 531 | 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] | 532 | get_value_string(gsm411_rp_cause_strs, cause)); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 533 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 534 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, |
| 535 | GSM411_MT_RP_ERROR_MT, msg_ref, GSM411_SM_RL_REPORT_REQ); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 536 | } |
| 537 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 538 | /* Receive a 04.11 TPDU inside RP-DATA / user data */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 539 | static int gsm411_rx_rp_ud(struct msgb *msg, struct gsm_trans *trans, |
| 540 | struct gsm411_rp_hdr *rph, |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 541 | uint8_t src_len, uint8_t *src, |
| 542 | uint8_t dst_len, uint8_t *dst, |
| 543 | uint8_t tpdu_len, uint8_t *tpdu) |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 544 | { |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 545 | bool deferred = false; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 546 | int rc = 0; |
| 547 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 548 | if (src_len && src) |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 549 | LOGP(DLSMS, LOGL_ERROR, "RP-DATA (MO) with SRC ?!?\n"); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 550 | |
| 551 | if (!dst_len || !dst || !tpdu_len || !tpdu) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 552 | LOGP(DLSMS, LOGL_ERROR, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 553 | "RP-DATA (MO) without DST or TPDU ?!?\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 554 | gsm411_send_rp_error(trans, rph->msg_ref, |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 555 | GSM411_RP_CAUSE_INV_MAND_INF); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 556 | return -EIO; |
| 557 | } |
Harald Welte | e9dd9b0 | 2010-04-30 14:27:05 +0200 | [diff] [blame] | 558 | msg->l4h = tpdu; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 559 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 560 | 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] | 561 | |
Pablo Neira Ayuso | 93ffbd0 | 2017-05-04 18:44:22 +0200 | [diff] [blame] | 562 | rc = gsm340_rx_tpdu(trans, msg, rph->msg_ref, &deferred); |
| 563 | if (rc == 0 && !deferred) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 564 | return gsm411_send_rp_ack(trans, rph->msg_ref); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 565 | else if (rc > 0) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 566 | return gsm411_send_rp_error(trans, rph->msg_ref, rc); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 567 | else |
| 568 | return rc; |
| 569 | } |
| 570 | |
| 571 | /* 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] | 572 | static int gsm411_rx_rp_data(struct msgb *msg, struct gsm_trans *trans, |
| 573 | struct gsm411_rp_hdr *rph) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 574 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 575 | uint8_t src_len, dst_len, rpud_len; |
| 576 | uint8_t *src = NULL, *dst = NULL , *rp_ud = NULL; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 577 | |
| 578 | /* in the MO case, this should always be zero length */ |
| 579 | src_len = rph->data[0]; |
| 580 | if (src_len) |
| 581 | src = &rph->data[1]; |
| 582 | |
| 583 | dst_len = rph->data[1+src_len]; |
| 584 | if (dst_len) |
| 585 | dst = &rph->data[1+src_len+1]; |
| 586 | |
| 587 | rpud_len = rph->data[1+src_len+1+dst_len]; |
| 588 | if (rpud_len) |
| 589 | rp_ud = &rph->data[1+src_len+1+dst_len+1]; |
| 590 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 591 | 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] | 592 | src_len, dst_len, rpud_len); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 593 | 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] | 594 | rpud_len, rp_ud); |
| 595 | } |
| 596 | |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 597 | /* 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] | 598 | static int gsm411_rx_rp_ack(struct msgb *msg, struct gsm_trans *trans, |
| 599 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 600 | { |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 601 | struct gsm_sms *sms = trans->sms.sms; |
| 602 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 603 | /* Acnkowledgement to MT RP_DATA, i.e. the MS confirms it |
| 604 | * successfully received a SMS. We can now safely mark it as |
| 605 | * transmitted */ |
| 606 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 607 | if (!sms) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 608 | 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] | 609 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 610 | GSM411_RP_CAUSE_PROTOCOL_ERR); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 611 | } |
| 612 | |
| 613 | /* mark this SMS as sent in database */ |
Alexander Chemeris | 1e77e3d | 2014-03-08 21:27:37 +0100 | [diff] [blame] | 614 | db_sms_mark_delivered(sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 615 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 616 | send_signal(S_SMS_DELIVERED, trans, sms, 0); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 617 | |
| 618 | sms_free(sms); |
| 619 | trans->sms.sms = NULL; |
| 620 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 621 | return 0; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 622 | } |
| 623 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 624 | static int gsm411_rx_rp_error(struct msgb *msg, struct gsm_trans *trans, |
| 625 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 626 | { |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 627 | struct gsm_network *net = trans->conn->network; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 628 | struct gsm_sms *sms = trans->sms.sms; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 629 | uint8_t cause_len = rph->data[0]; |
| 630 | uint8_t cause = rph->data[1]; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 631 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 632 | /* Error in response to MT RP_DATA, i.e. the MS did not |
| 633 | * successfully receive the SMS. We need to investigate |
| 634 | * the cause and take action depending on it */ |
| 635 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 636 | LOGP(DLSMS, LOGL_NOTICE, "%s: RX SMS RP-ERROR, cause %d:%d (%s)\n", |
Holger Hans Peter Freyther | d4c16b1 | 2010-03-23 07:56:22 +0100 | [diff] [blame] | 637 | subscr_name(trans->conn->subscr), cause_len, cause, |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 638 | get_value_string(gsm411_rp_cause_strs, cause)); |
Harald Welte | 3e0f617 | 2009-07-09 23:52:59 +0200 | [diff] [blame] | 639 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 640 | if (!sms) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 641 | LOGP(DLSMS, LOGL_ERROR, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 642 | "RX RP-ERR, but no sms in transaction?!?\n"); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 643 | return -EINVAL; |
| 644 | #if 0 |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 645 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 646 | GSM411_RP_CAUSE_PROTOCOL_ERR); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 647 | #endif |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 648 | } |
| 649 | |
| 650 | if (cause == GSM411_RP_CAUSE_MT_MEM_EXCEEDED) { |
| 651 | /* 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] | 652 | * to store this in our database and wait for a SMMA message */ |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 653 | /* FIXME */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 654 | send_signal(S_SMS_MEM_EXCEEDED, trans, sms, 0); |
Alexander Couzens | b847a21 | 2016-08-02 11:34:11 +0200 | [diff] [blame] | 655 | 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] | 656 | } else { |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 657 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
Alexander Couzens | b847a21 | 2016-08-02 11:34:11 +0200 | [diff] [blame] | 658 | 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] | 659 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 660 | |
| 661 | sms_free(sms); |
| 662 | trans->sms.sms = NULL; |
| 663 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 664 | return 0; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 665 | } |
| 666 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 667 | static int gsm411_rx_rp_smma(struct msgb *msg, struct gsm_trans *trans, |
| 668 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 669 | { |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 670 | int rc; |
| 671 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 672 | rc = gsm411_send_rp_ack(trans, rph->msg_ref); |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 673 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 674 | /* MS tells us that it has memory for more SMS, we need |
| 675 | * to check if we have any pending messages for it and then |
| 676 | * transfer those */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 677 | send_signal(S_SMS_SMMA, trans, NULL, 0); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 678 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 679 | return rc; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 680 | } |
| 681 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 682 | /* receive RL DATA */ |
| 683 | 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] | 684 | struct gsm_trans *trans) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 685 | { |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 686 | 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] | 687 | uint8_t msg_type = rp_data->msg_type & 0x07; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 688 | int rc = 0; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 689 | |
| 690 | switch (msg_type) { |
| 691 | case GSM411_MT_RP_DATA_MO: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 692 | DEBUGP(DLSMS, "RX SMS RP-DATA (MO)\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 693 | rc = gsm411_rx_rp_data(msg, trans, rp_data); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 694 | break; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 695 | case GSM411_MT_RP_SMMA_MO: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 696 | DEBUGP(DLSMS, "RX SMS RP-SMMA\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 697 | rc = gsm411_rx_rp_smma(msg, trans, rp_data); |
| 698 | break; |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 699 | default: |
| 700 | LOGP(DLSMS, LOGL_NOTICE, "Invalid RP type 0x%02x\n", msg_type); |
| 701 | rc = -EINVAL; |
| 702 | break; |
| 703 | } |
| 704 | |
| 705 | return rc; |
| 706 | } |
| 707 | |
| 708 | /* receive RL REPORT */ |
| 709 | static int gsm411_rx_rl_report(struct msgb *msg, struct gsm48_hdr *gh, |
| 710 | struct gsm_trans *trans) |
| 711 | { |
| 712 | struct gsm411_rp_hdr *rp_data = (struct gsm411_rp_hdr*)&gh->data; |
| 713 | uint8_t msg_type = rp_data->msg_type & 0x07; |
| 714 | int rc = 0; |
| 715 | |
| 716 | switch (msg_type) { |
| 717 | case GSM411_MT_RP_ACK_MO: |
| 718 | DEBUGP(DLSMS, "RX SMS RP-ACK (MO)\n"); |
| 719 | rc = gsm411_rx_rp_ack(msg, trans, rp_data); |
| 720 | break; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 721 | case GSM411_MT_RP_ERROR_MO: |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 722 | DEBUGP(DLSMS, "RX SMS RP-ERROR (MO)\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 723 | rc = gsm411_rx_rp_error(msg, trans, rp_data); |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 724 | break; |
| 725 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 726 | LOGP(DLSMS, LOGL_NOTICE, "Invalid RP type 0x%02x\n", msg_type); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 727 | rc = -EINVAL; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 728 | break; |
| 729 | } |
| 730 | |
| 731 | return rc; |
| 732 | } |
| 733 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 734 | /* receive SM-RL sap message from SMR |
| 735 | * NOTE: Message is freed by sender |
| 736 | */ |
| 737 | int gsm411_rl_recv(struct gsm411_smr_inst *inst, int msg_type, |
| 738 | struct msgb *msg) |
| 739 | { |
| 740 | struct gsm_trans *trans = |
| 741 | container_of(inst, struct gsm_trans, sms.smr_inst); |
| 742 | struct gsm48_hdr *gh = msgb_l3(msg); |
| 743 | int rc = 0; |
| 744 | |
| 745 | switch (msg_type) { |
| 746 | case GSM411_SM_RL_DATA_IND: |
| 747 | rc = gsm411_rx_rl_data(msg, gh, trans); |
| 748 | break; |
| 749 | case GSM411_SM_RL_REPORT_IND: |
| 750 | if (gh) |
| 751 | rc = gsm411_rx_rl_report(msg, gh, trans); |
| 752 | break; |
| 753 | default: |
| 754 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled SM-RL message 0x%x\n", msg_type); |
| 755 | rc = -EINVAL; |
| 756 | } |
| 757 | |
| 758 | return rc; |
| 759 | } |
| 760 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 761 | /* receive MNCCSMS sap message from SMC |
| 762 | * NOTE: Message is freed by sender |
| 763 | */ |
| 764 | static int gsm411_mn_recv(struct gsm411_smc_inst *inst, int msg_type, |
| 765 | struct msgb *msg) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 766 | { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 767 | struct gsm_trans *trans = |
| 768 | container_of(inst, struct gsm_trans, sms.smc_inst); |
| 769 | struct gsm48_hdr *gh = msgb_l3(msg); |
| 770 | int rc = 0; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 771 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 772 | switch (msg_type) { |
| 773 | case GSM411_MNSMS_EST_IND: |
| 774 | case GSM411_MNSMS_DATA_IND: |
| 775 | DEBUGP(DLSMS, "MNSMS-DATA/EST-IND\n"); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 776 | rc = gsm411_smr_recv(&trans->sms.smr_inst, msg_type, msg); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 777 | break; |
| 778 | case GSM411_MNSMS_ERROR_IND: |
| 779 | if (gh) |
| 780 | DEBUGP(DLSMS, "MNSMS-ERROR-IND, cause %d (%s)\n", |
| 781 | gh->data[0], |
| 782 | get_value_string(gsm411_cp_cause_strs, |
| 783 | gh->data[0])); |
| 784 | else |
| 785 | DEBUGP(DLSMS, "MNSMS-ERROR-IND, no cause\n"); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 786 | rc = gsm411_smr_recv(&trans->sms.smr_inst, msg_type, msg); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 787 | break; |
| 788 | default: |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 789 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled MNCCSMS msg 0x%x\n", msg_type); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 790 | rc = -EINVAL; |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 791 | } |
Holger Hans Peter Freyther | 09e364b | 2009-08-10 07:59:27 +0200 | [diff] [blame] | 792 | |
| 793 | return rc; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 794 | } |
| 795 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 796 | /* 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] | 797 | int gsm0411_rcv_sms(struct gsm_subscriber_connection *conn, |
Holger Hans Peter Freyther | 9764331 | 2010-06-17 16:41:25 +0800 | [diff] [blame] | 798 | struct msgb *msg) |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 799 | { |
| 800 | struct gsm48_hdr *gh = msgb_l3(msg); |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 801 | uint8_t msg_type = gh->msg_type; |
Neels Hofmeyr | 961bd0b | 2016-03-14 16:13:25 +0100 | [diff] [blame] | 802 | uint8_t transaction_id = gsm48_hdr_trans_id_flip_ti(gh); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 803 | struct gsm_trans *trans; |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 804 | int new_trans = 0; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 805 | int rc = 0; |
| 806 | |
Holger Hans Peter Freyther | 57c4dec | 2010-06-16 14:24:55 +0800 | [diff] [blame] | 807 | if (!conn->subscr) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 808 | return -EIO; |
| 809 | /* FIXME: send some error message */ |
| 810 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 811 | DEBUGP(DLSMS, "receiving data (trans_id=%x)\n", transaction_id); |
Jacob Erlbeck | dae1f64 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 812 | 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] | 813 | |
| 814 | /* |
| 815 | * A transaction we created but don't know about? |
| 816 | */ |
| 817 | if (!trans && (transaction_id & 0x8) == 0) { |
| 818 | LOGP(DLSMS, LOGL_ERROR, "trans_id=%x allocated by us but known " |
| 819 | "to us anymore. We are ignoring it, maybe a CP-ERROR " |
| 820 | "from a MS?\n", |
| 821 | transaction_id); |
| 822 | return -EINVAL; |
| 823 | } |
| 824 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 825 | if (!trans) { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 826 | DEBUGP(DLSMS, " -> (new transaction)\n"); |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 827 | trans = trans_alloc(conn->network, conn->subscr, |
Jacob Erlbeck | af792d6 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 828 | GSM48_PDISC_SMS, |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 829 | transaction_id, new_callref++); |
| 830 | if (!trans) { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 831 | DEBUGP(DLSMS, " -> No memory for trans\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 832 | /* FIXME: send some error message */ |
| 833 | return -ENOMEM; |
| 834 | } |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 835 | gsm411_smc_init(&trans->sms.smc_inst, 0, 1, |
| 836 | gsm411_mn_recv, gsm411_mm_send); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 837 | gsm411_smr_init(&trans->sms.smr_inst, 0, 1, |
| 838 | gsm411_rl_recv, gsm411_mn_send); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 839 | |
Holger Hans Peter Freyther | 57c4dec | 2010-06-16 14:24:55 +0800 | [diff] [blame] | 840 | trans->conn = conn; |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 841 | |
| 842 | new_trans = 1; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 843 | } |
| 844 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 845 | /* 5.4: For MO, if a CP-DATA is received for a new |
| 846 | * transaction, equals reception of an implicit |
| 847 | * last CP-ACK for previous transaction */ |
| 848 | if (trans->sms.smc_inst.cp_state == GSM411_CPS_IDLE |
| 849 | && msg_type == GSM411_MT_CP_DATA) { |
| 850 | int i; |
| 851 | struct gsm_trans *ptrans; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 852 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 853 | /* Scan through all remote initiated transactions */ |
| 854 | for (i=8; i<15; i++) { |
| 855 | if (i == transaction_id) |
| 856 | continue; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 857 | |
Jacob Erlbeck | dae1f64 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 858 | ptrans = trans_find_by_id(conn, GSM48_PDISC_SMS, i); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 859 | if (!ptrans) |
| 860 | continue; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 861 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 862 | DEBUGP(DLSMS, "Implicit CP-ACK for trans_id=%x\n", i); |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 863 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 864 | /* Finish it for good */ |
| 865 | trans_free(ptrans); |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 866 | } |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 867 | } |
| 868 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 869 | gsm411_smc_recv(&trans->sms.smc_inst, |
| 870 | (new_trans) ? GSM411_MMSMS_EST_IND : GSM411_MMSMS_DATA_IND, |
| 871 | msg, msg_type); |
| 872 | |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 873 | return rc; |
| 874 | } |
| 875 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 876 | /* Take a SMS in gsm_sms structure and send it through an already |
| 877 | * existing lchan. We also assume that the caller ensured this lchan already |
| 878 | * has a SAPI3 RLL connection! */ |
Holger Hans Peter Freyther | 11b28f9 | 2010-12-24 13:48:27 +0100 | [diff] [blame] | 879 | 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] | 880 | { |
| 881 | struct msgb *msg = gsm411_msgb_alloc(); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 882 | struct gsm_trans *trans; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 883 | uint8_t *data, *rp_ud_len; |
Neels Hofmeyr | 05667a0 | 2016-05-10 13:27:32 +0200 | [diff] [blame] | 884 | uint8_t msg_ref = sms_next_rp_msg_ref(&conn->next_rp_ref); |
Sylvain Munaut | c4052cf | 2009-12-24 13:27:36 +0100 | [diff] [blame] | 885 | int transaction_id; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 886 | int rc; |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 887 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 888 | transaction_id = |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 889 | trans_assign_trans_id(conn->network, conn->subscr, |
Jacob Erlbeck | dae1f64 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 890 | GSM48_PDISC_SMS, 0); |
Harald Welte | 4983921 | 2009-12-22 13:45:58 +0100 | [diff] [blame] | 891 | if (transaction_id == -1) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 892 | LOGP(DLSMS, LOGL_ERROR, "No available transaction ids\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 893 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 894 | sms_free(sms); |
Holger Hans Peter Freyther | 29d58b7 | 2015-08-12 13:35:46 +0200 | [diff] [blame] | 895 | msgb_free(msg); |
Harald Welte | 4983921 | 2009-12-22 13:45:58 +0100 | [diff] [blame] | 896 | return -EBUSY; |
| 897 | } |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 898 | |
Neels Hofmeyr | 1e918c3 | 2016-05-09 21:48:53 +0200 | [diff] [blame] | 899 | DEBUGP(DLSMS, "%s()\n", __func__); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 900 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 901 | /* FIXME: allocate transaction with message reference */ |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 902 | trans = trans_alloc(conn->network, conn->subscr, |
Jacob Erlbeck | af792d6 | 2014-12-02 14:22:53 +0100 | [diff] [blame] | 903 | GSM48_PDISC_SMS, |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 904 | transaction_id, new_callref++); |
| 905 | if (!trans) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 906 | LOGP(DLSMS, LOGL_ERROR, "No memory for trans\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 907 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 908 | sms_free(sms); |
Holger Hans Peter Freyther | 29d58b7 | 2015-08-12 13:35:46 +0200 | [diff] [blame] | 909 | msgb_free(msg); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 910 | /* FIXME: send some error message */ |
| 911 | return -ENOMEM; |
| 912 | } |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 913 | gsm411_smc_init(&trans->sms.smc_inst, sms->id, 1, |
| 914 | gsm411_mn_recv, gsm411_mm_send); |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 915 | gsm411_smr_init(&trans->sms.smr_inst, sms->id, 1, |
| 916 | gsm411_rl_recv, gsm411_mn_send); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 917 | trans->sms.sms = sms; |
| 918 | |
Holger Hans Peter Freyther | 5179c8e | 2010-03-23 07:32:23 +0100 | [diff] [blame] | 919 | trans->conn = conn; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 920 | |
| 921 | /* Hardcode SMSC Originating Address for now */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 922 | data = (uint8_t *)msgb_put(msg, 8); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 923 | data[0] = 0x07; /* originator length == 7 */ |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 924 | data[1] = 0x91; /* type of number: international, ISDN */ |
| 925 | data[2] = 0x44; /* 447785016005 */ |
Daniel Willmann | a3e2984 | 2008-12-29 16:03:54 +0000 | [diff] [blame] | 926 | data[3] = 0x77; |
| 927 | data[4] = 0x58; |
| 928 | data[5] = 0x10; |
| 929 | data[6] = 0x06; |
| 930 | data[7] = 0x50; |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 931 | |
| 932 | /* Hardcoded Destination Address */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 933 | data = (uint8_t *)msgb_put(msg, 1); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 934 | data[0] = 0; /* destination length == 0 */ |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 935 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 936 | /* 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] | 937 | rp_ud_len = (uint8_t *)msgb_put(msg, 1); |
Daniel Willmann | 4a1e879 | 2008-12-29 06:23:56 +0000 | [diff] [blame] | 938 | |
Alexander Chemeris | 9e15e18 | 2014-03-08 23:54:28 +0100 | [diff] [blame] | 939 | /* generate the 03.40 SMS-DELIVER TPDU */ |
| 940 | rc = gsm340_gen_sms_deliver_tpdu(msg, sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 941 | if (rc < 0) { |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 942 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 943 | sms_free(sms); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 944 | trans->sms.sms = NULL; |
| 945 | trans_free(trans); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 946 | msgb_free(msg); |
| 947 | return rc; |
| 948 | } |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 949 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 950 | *rp_ud_len = rc; |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 951 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 952 | DEBUGP(DLSMS, "TX: SMS DELIVER\n"); |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 953 | |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 954 | rate_ctr_inc(&conn->network->msc_ctrs->ctr[MSC_CTR_SMS_DELIVERED]); |
Nico Golde | 1e5ed4e | 2010-09-16 17:50:29 +0200 | [diff] [blame] | 955 | db_sms_inc_deliver_attempts(trans->sms.sms); |
Harald Welte | 24ff6ee | 2009-12-22 00:41:05 +0100 | [diff] [blame] | 956 | |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 957 | return gsm411_rp_sendmsg(&trans->sms.smr_inst, msg, |
| 958 | GSM411_MT_RP_DATA_MT, msg_ref, GSM411_SM_RL_DATA_REQ); |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 959 | } |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 960 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 961 | /* paging callback. Here we get called if paging a subscriber has |
| 962 | * succeeded or failed. */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 963 | 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] | 964 | struct msgb *msg, void *_conn, void *_sms) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 965 | { |
Holger Hans Peter Freyther | 86481c2 | 2010-06-17 15:05:57 +0800 | [diff] [blame] | 966 | struct gsm_subscriber_connection *conn = _conn; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 967 | struct gsm_sms *sms = _sms; |
Holger Hans Peter Freyther | 4cd5158 | 2010-06-14 16:03:03 +0800 | [diff] [blame] | 968 | int rc = 0; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 969 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 970 | 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] | 971 | "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] | 972 | |
| 973 | if (hooknum != GSM_HOOK_RR_PAGING) |
| 974 | return -EINVAL; |
| 975 | |
| 976 | switch (event) { |
| 977 | case GSM_PAGING_SUCCEEDED: |
Holger Hans Peter Freyther | 86481c2 | 2010-06-17 15:05:57 +0800 | [diff] [blame] | 978 | gsm411_send_sms(conn, sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 979 | break; |
| 980 | case GSM_PAGING_EXPIRED: |
Holger Hans Peter Freyther | ca5702a | 2010-06-10 18:20:54 +0800 | [diff] [blame] | 981 | case GSM_PAGING_OOM: |
Holger Hans Peter Freyther | d3baf41 | 2010-12-23 18:19:17 +0100 | [diff] [blame] | 982 | case GSM_PAGING_BUSY: |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 983 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, event); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 984 | sms_free(sms); |
| 985 | rc = -ETIMEDOUT; |
| 986 | break; |
Holger Hans Peter Freyther | 52ffb92 | 2010-12-29 14:02:34 +0100 | [diff] [blame] | 987 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 988 | LOGP(DLSMS, LOGL_ERROR, "Unhandled paging event: %d\n", event); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 989 | } |
| 990 | |
| 991 | return rc; |
| 992 | } |
| 993 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 994 | /* high-level function to send a SMS to a given subscriber. The function |
| 995 | * will take care of paging the subscriber, establishing the RLL SAPI3 |
| 996 | * connection, etc. */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 997 | int gsm411_send_sms_subscr(struct gsm_subscriber *subscr, |
| 998 | struct gsm_sms *sms) |
| 999 | { |
Holger Hans Peter Freyther | b2be195 | 2010-06-16 13:23:55 +0800 | [diff] [blame] | 1000 | struct gsm_subscriber_connection *conn; |
Holger Hans Peter Freyther | d6d7aff | 2015-04-06 12:03:45 +0200 | [diff] [blame] | 1001 | void *res; |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 1002 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1003 | /* check if we already have an open lchan to the subscriber. |
| 1004 | * if yes, send the SMS this way */ |
Holger Hans Peter Freyther | b2be195 | 2010-06-16 13:23:55 +0800 | [diff] [blame] | 1005 | conn = connection_for_subscr(subscr); |
| 1006 | if (conn) { |
Neels Hofmeyr | 1e918c3 | 2016-05-09 21:48:53 +0200 | [diff] [blame] | 1007 | LOGP(DLSMS, LOGL_DEBUG, "Sending SMS via already open connection %p to %s\n", |
| 1008 | conn, subscr_name(subscr)); |
Holger Hans Peter Freyther | 0fbb3ec | 2010-06-16 14:19:31 +0800 | [diff] [blame] | 1009 | return gsm411_send_sms(conn, sms); |
Holger Hans Peter Freyther | ecd9933 | 2010-06-15 12:53:08 +0800 | [diff] [blame] | 1010 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1011 | |
| 1012 | /* if not, we have to start paging */ |
Neels Hofmeyr | 1e918c3 | 2016-05-09 21:48:53 +0200 | [diff] [blame] | 1013 | LOGP(DLSMS, LOGL_DEBUG, "Sending SMS: no connection open, start paging %s\n", |
| 1014 | subscr_name(subscr)); |
Holger Hans Peter Freyther | d6d7aff | 2015-04-06 12:03:45 +0200 | [diff] [blame] | 1015 | res = subscr_request_channel(subscr, RSL_CHANNEED_SDCCH, |
| 1016 | paging_cb_send_sms, sms); |
| 1017 | if (!res) { |
| 1018 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, GSM_PAGING_BUSY); |
| 1019 | sms_free(sms); |
| 1020 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 1021 | return 0; |
| 1022 | } |
Harald Welte | 3366a94 | 2009-07-28 00:44:49 +0200 | [diff] [blame] | 1023 | |
Harald Welte (local) | 86b1717 | 2009-08-14 14:52:17 +0200 | [diff] [blame] | 1024 | void _gsm411_sms_trans_free(struct gsm_trans *trans) |
| 1025 | { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1026 | /* cleanup SMS instance */ |
Andreas Eversberg | bc6c43f | 2011-10-28 11:11:13 +0200 | [diff] [blame] | 1027 | gsm411_smr_clear(&trans->sms.smr_inst); |
| 1028 | trans->sms.smr_inst.rl_recv = NULL; |
| 1029 | trans->sms.smr_inst.mn_send = NULL; |
| 1030 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame] | 1031 | gsm411_smc_clear(&trans->sms.smc_inst); |
| 1032 | trans->sms.smc_inst.mn_recv = NULL; |
| 1033 | trans->sms.smc_inst.mm_send = NULL; |
| 1034 | |
Holger Hans Peter Freyther | cea722b | 2010-06-15 12:29:37 +0800 | [diff] [blame] | 1035 | if (trans->sms.sms) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 1036 | LOGP(DLSMS, LOGL_ERROR, "Transaction contains SMS.\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 1037 | 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] | 1038 | sms_free(trans->sms.sms); |
| 1039 | trans->sms.sms = NULL; |
| 1040 | } |
Harald Welte (local) | 86b1717 | 2009-08-14 14:52:17 +0200 | [diff] [blame] | 1041 | } |
| 1042 | |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1043 | void gsm411_sapi_n_reject(struct gsm_subscriber_connection *conn) |
| 1044 | { |
Holger Hans Peter Freyther | 79eff7e | 2010-12-27 23:25:53 +0100 | [diff] [blame] | 1045 | struct gsm_network *net; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1046 | struct gsm_trans *trans, *tmp; |
| 1047 | |
Neels Hofmeyr | a9f2bb5 | 2016-05-09 21:09:47 +0200 | [diff] [blame] | 1048 | net = conn->network; |
Holger Hans Peter Freyther | 79eff7e | 2010-12-27 23:25:53 +0100 | [diff] [blame] | 1049 | |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1050 | llist_for_each_entry_safe(trans, tmp, &net->trans_list, entry) { |
| 1051 | struct gsm_sms *sms; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1052 | |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1053 | if (trans->conn != conn) |
| 1054 | continue; |
| 1055 | if (trans->protocol != GSM48_PDISC_SMS) |
| 1056 | continue; |
| 1057 | |
| 1058 | sms = trans->sms.sms; |
| 1059 | if (!sms) { |
| 1060 | LOGP(DLSMS, LOGL_ERROR, "SAPI Reject but no SMS.\n"); |
| 1061 | continue; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1062 | } |
Holger Hans Peter Freyther | f76ed2d | 2013-12-27 22:47:09 +0100 | [diff] [blame] | 1063 | |
| 1064 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
| 1065 | sms_free(sms); |
| 1066 | trans->sms.sms = NULL; |
| 1067 | trans_free(trans); |
| 1068 | } |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 1069 | } |
| 1070 | |