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> |
| 40 | |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 41 | #include <osmocom/gsm/tlv.h> |
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> |
Holger Hans Peter Freyther | 7517212 | 2012-11-10 18:11:22 +0100 | [diff] [blame] | 44 | |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 45 | #include <openbsc/debug.h> |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 46 | #include <openbsc/gsm_data.h> |
Nico Golde | f11af07 | 2010-09-15 19:49:55 +0200 | [diff] [blame] | 47 | #include <openbsc/db.h> |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 48 | #include <openbsc/gsm_subscriber.h> |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 49 | #include <openbsc/gsm_04_11.h> |
| 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" |
| 62 | extern int smpp_try_deliver(struct gsm_sms *sms); |
| 63 | #endif |
| 64 | |
Harald Welte (local) | d19e58b | 2009-08-15 02:30:58 +0200 | [diff] [blame] | 65 | void *tall_gsms_ctx; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 66 | static uint32_t new_callref = 0x40000001; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 67 | |
Harald Welte (local) | c89a511 | 2009-08-14 10:42:43 +0200 | [diff] [blame] | 68 | static const struct value_string rp_cause_strs[] = { |
| 69 | { GSM411_RP_CAUSE_MO_NUM_UNASSIGNED, "(MO) Number not assigned" }, |
| 70 | { GSM411_RP_CAUSE_MO_OP_DET_BARR, "(MO) Operator determined barring" }, |
| 71 | { GSM411_RP_CAUSE_MO_CALL_BARRED, "(MO) Call barred" }, |
| 72 | { GSM411_RP_CAUSE_MO_SMS_REJECTED, "(MO) SMS rejected" }, |
| 73 | { GSM411_RP_CAUSE_MO_DEST_OUT_OF_ORDER, "(MO) Destination out of order" }, |
| 74 | { GSM411_RP_CAUSE_MO_UNIDENTIFIED_SUBSCR, "(MO) Unidentified subscriber" }, |
| 75 | { GSM411_RP_CAUSE_MO_FACILITY_REJ, "(MO) Facility reject" }, |
| 76 | { GSM411_RP_CAUSE_MO_UNKNOWN_SUBSCR, "(MO) Unknown subscriber" }, |
| 77 | { GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER, "(MO) Network out of order" }, |
| 78 | { GSM411_RP_CAUSE_MO_TEMP_FAIL, "(MO) Temporary failure" }, |
| 79 | { GSM411_RP_CAUSE_MO_CONGESTION, "(MO) Congestion" }, |
| 80 | { GSM411_RP_CAUSE_MO_RES_UNAVAIL, "(MO) Resource unavailable" }, |
| 81 | { GSM411_RP_CAUSE_MO_REQ_FAC_NOTSUBSCR, "(MO) Requested facility not subscribed" }, |
| 82 | { GSM411_RP_CAUSE_MO_REQ_FAC_NOTIMPL, "(MO) Requested facility not implemented" }, |
| 83 | { GSM411_RP_CAUSE_MO_INTERWORKING, "(MO) Interworking" }, |
| 84 | /* valid only for MT */ |
| 85 | { GSM411_RP_CAUSE_MT_MEM_EXCEEDED, "(MT) Memory Exceeded" }, |
| 86 | /* valid for both directions */ |
| 87 | { GSM411_RP_CAUSE_INV_TRANS_REF, "Invalid Transaction Reference" }, |
| 88 | { GSM411_RP_CAUSE_SEMANT_INC_MSG, "Semantically Incorrect Message" }, |
| 89 | { GSM411_RP_CAUSE_INV_MAND_INF, "Invalid Mandatory Information" }, |
| 90 | { GSM411_RP_CAUSE_MSGTYPE_NOTEXIST, "Message Type non-existant" }, |
| 91 | { GSM411_RP_CAUSE_MSG_INCOMP_STATE, "Message incompatible with protocol state" }, |
| 92 | { GSM411_RP_CAUSE_IE_NOTEXIST, "Information Element not existing" }, |
| 93 | { GSM411_RP_CAUSE_PROTOCOL_ERR, "Protocol Error" }, |
| 94 | { 0, NULL } |
| 95 | }; |
| 96 | |
Holger Hans Peter Freyther | 0fbb3ec | 2010-06-16 14:19:31 +0800 | [diff] [blame] | 97 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 98 | struct gsm_sms *sms_alloc(void) |
| 99 | { |
| 100 | return talloc_zero(tall_gsms_ctx, struct gsm_sms); |
| 101 | } |
| 102 | |
| 103 | void sms_free(struct gsm_sms *sms) |
| 104 | { |
| 105 | /* drop references to subscriber structure */ |
| 106 | if (sms->sender) |
| 107 | subscr_put(sms->sender); |
| 108 | if (sms->receiver) |
| 109 | subscr_put(sms->receiver); |
Harald Welte | 6c7680d | 2012-11-16 22:15:22 +0100 | [diff] [blame] | 110 | #ifdef BUILD_SMPP |
Harald Welte | e94db49 | 2012-11-08 20:11:05 +0100 | [diff] [blame] | 111 | if (sms->smpp.esme) |
| 112 | smpp_esme_put(sms->smpp.esme); |
Harald Welte | 6c7680d | 2012-11-16 22:15:22 +0100 | [diff] [blame] | 113 | #endif |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 114 | |
| 115 | talloc_free(sms); |
| 116 | } |
| 117 | |
Holger Hans Peter Freyther | cdfcbee | 2011-01-10 15:34:09 +0100 | [diff] [blame] | 118 | struct gsm_sms *sms_from_text(struct gsm_subscriber *receiver, int dcs, const char *text) |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 119 | { |
| 120 | struct gsm_sms *sms = sms_alloc(); |
| 121 | |
| 122 | if (!sms) |
| 123 | return NULL; |
| 124 | |
| 125 | sms->receiver = subscr_get(receiver); |
| 126 | strncpy(sms->text, text, sizeof(sms->text)-1); |
| 127 | |
| 128 | /* FIXME: don't use ID 1 static */ |
| 129 | sms->sender = subscr_get_by_id(receiver->net, 1); |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 130 | strncpy(sms->src.addr, sms->sender->extension, sizeof(sms->src.addr)-1); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 131 | sms->reply_path_req = 0; |
| 132 | sms->status_rep_req = 0; |
| 133 | sms->ud_hdr_ind = 0; |
| 134 | sms->protocol_id = 0; /* implicit */ |
Holger Hans Peter Freyther | cdfcbee | 2011-01-10 15:34:09 +0100 | [diff] [blame] | 135 | sms->data_coding_scheme = dcs; |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 136 | strncpy(sms->dst.addr, receiver->extension, sizeof(sms->dst.addr)-1); |
Holger Hans Peter Freyther | c464491 | 2011-01-10 15:21:34 +0100 | [diff] [blame] | 137 | /* Generate user_data */ |
| 138 | sms->user_data_len = gsm_7bit_encode(sms->user_data, sms->text); |
| 139 | |
| 140 | return sms; |
| 141 | } |
| 142 | |
| 143 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 144 | static void send_signal(int sig_no, |
| 145 | struct gsm_trans *trans, |
| 146 | struct gsm_sms *sms, |
| 147 | int paging_result) |
| 148 | { |
| 149 | struct sms_signal_data sig; |
| 150 | sig.trans = trans; |
| 151 | sig.sms = sms; |
| 152 | sig.paging_result = paging_result; |
Pablo Neira Ayuso | bbc5b99 | 2011-05-06 12:12:31 +0200 | [diff] [blame] | 153 | osmo_signal_dispatch(SS_SMS, sig_no, &sig); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 154 | } |
| 155 | |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 156 | static int gsm411_sendmsg(struct gsm_subscriber_connection *conn, struct msgb *msg, uint8_t link_id) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 157 | { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 158 | 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] | 159 | msg->l3h = msg->data; |
Holger Hans Peter Freyther | 8d380dc | 2010-11-10 10:16:02 +0100 | [diff] [blame] | 160 | return gsm0808_submit_dtap(conn, msg, link_id, 1); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 161 | } |
| 162 | |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 163 | /* Prefix msg with a 04.08/04.11 CP header */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 164 | 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] | 165 | uint8_t msg_type) |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 166 | { |
| 167 | struct gsm48_hdr *gh; |
| 168 | |
| 169 | gh = (struct gsm48_hdr *) msgb_push(msg, sizeof(*gh)); |
| 170 | /* Outgoing needs the highest bit set */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 171 | gh->proto_discr = trans->protocol | (trans->transaction_id<<4); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 172 | gh->msg_type = msg_type; |
| 173 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 174 | DEBUGP(DLSMS, "sending CP message (trans=%x)\n", trans->transaction_id); |
Harald Welte (local) | c89a511 | 2009-08-14 10:42:43 +0200 | [diff] [blame] | 175 | |
Holger Hans Peter Freyther | ec32b58 | 2010-03-23 07:40:46 +0100 | [diff] [blame] | 176 | return gsm411_sendmsg(trans->conn, msg, trans->sms.link_id); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 177 | } |
| 178 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 179 | /* mm_send: receive MMCCSMS sap message from SMC */ |
| 180 | static int gsm411_mm_send(struct gsm411_smc_inst *inst, int msg_type, |
| 181 | struct msgb *msg, int cp_msg_type) |
| 182 | { |
| 183 | struct gsm_trans *trans = |
| 184 | container_of(inst, struct gsm_trans, sms.smc_inst); |
| 185 | int rc = 0; |
| 186 | |
| 187 | switch (msg_type) { |
| 188 | case GSM411_MMSMS_EST_REQ: |
| 189 | /* recycle msg */ |
| 190 | rc = gsm411_smc_recv(inst, GSM411_MMSMS_EST_CNF, msg, 0); |
| 191 | msgb_free(msg); /* upper layer does not free msg */ |
| 192 | break; |
| 193 | case GSM411_MMSMS_DATA_REQ: |
| 194 | rc = gsm411_cp_sendmsg(msg, trans, cp_msg_type); |
| 195 | break; |
| 196 | case GSM411_MMSMS_REL_REQ: |
| 197 | msgb_free(msg); |
| 198 | trans_free(trans); |
| 199 | break; |
| 200 | default: |
| 201 | msgb_free(msg); |
| 202 | rc = -EINVAL; |
| 203 | } |
| 204 | |
| 205 | return rc; |
| 206 | } |
| 207 | |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 208 | /* Prefix msg with a RP-DATA header and send as CP-DATA */ |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 209 | static int gsm411_rp_sendmsg(struct gsm411_smc_inst *inst, struct msgb *msg, |
| 210 | uint8_t rp_msg_type, uint8_t rp_msg_ref, |
| 211 | int mnsms_msg_type) |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 212 | { |
| 213 | struct gsm411_rp_hdr *rp; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 214 | uint8_t len = msg->len; |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 215 | |
| 216 | /* GSM 04.11 RP-DATA header */ |
| 217 | rp = (struct gsm411_rp_hdr *)msgb_push(msg, sizeof(*rp)); |
Harald Welte | 0d544e7 | 2009-08-10 00:22:19 +0200 | [diff] [blame] | 218 | rp->len = len + 2; |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 219 | rp->msg_type = rp_msg_type; |
| 220 | rp->msg_ref = rp_msg_ref; /* FIXME: Choose randomly */ |
| 221 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 222 | return gsm411_smc_send(inst, mnsms_msg_type, msg); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 223 | } |
| 224 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 225 | 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] | 226 | { |
| 227 | if (db_sms_store(gsms) != 0) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 228 | LOGP(DLSMS, LOGL_ERROR, "Failed to store SMS in Database\n"); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 229 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 230 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 231 | /* dispatch a signal to tell higher level about it */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 232 | send_signal(S_SMS_SUBMITTED, NULL, gsms, 0); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 233 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 234 | return 0; |
| 235 | } |
| 236 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 237 | /* 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] | 238 | 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] | 239 | const struct gsm_sms_addr *src) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 240 | { |
Holger Hans Peter Freyther | 366c331 | 2012-11-10 18:24:54 +0100 | [diff] [blame] | 241 | /* network specific, private numbering plan */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 242 | 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] | 243 | } |
| 244 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 245 | /* generate a msgb containing a TPDU derived from struct gsm_sms, |
| 246 | * returns total size of TPDU */ |
| 247 | static int gsm340_gen_tpdu(struct msgb *msg, struct gsm_sms *sms) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 248 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 249 | uint8_t *smsp; |
| 250 | uint8_t oa[12]; /* max len per 03.40 */ |
| 251 | uint8_t oa_len = 0; |
| 252 | uint8_t octet_len; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 253 | unsigned int old_msg_len = msg->len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 254 | |
| 255 | /* generate first octet with masked bits */ |
| 256 | smsp = msgb_put(msg, 1); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 257 | /* TP-MTI (message type indicator) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 258 | *smsp = GSM340_SMS_DELIVER_SC2MS; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 259 | /* TP-MMS (more messages to send) */ |
| 260 | if (0 /* FIXME */) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 261 | *smsp |= 0x04; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 262 | /* TP-SRI(deliver)/SRR(submit) */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 263 | if (sms->status_rep_req) |
| 264 | *smsp |= 0x20; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 265 | /* TP-UDHI (indicating TP-UD contains a header) */ |
| 266 | if (sms->ud_hdr_ind) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 267 | *smsp |= 0x40; |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 268 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 269 | /* generate originator address */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 270 | oa_len = gsm340_gen_oa_sub(oa, sizeof(oa), &sms->src); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 271 | smsp = msgb_put(msg, oa_len); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 272 | memcpy(smsp, oa, oa_len); |
| 273 | |
| 274 | /* generate TP-PID */ |
| 275 | smsp = msgb_put(msg, 1); |
| 276 | *smsp = sms->protocol_id; |
| 277 | |
| 278 | /* generate TP-DCS */ |
| 279 | smsp = msgb_put(msg, 1); |
| 280 | *smsp = sms->data_coding_scheme; |
| 281 | |
| 282 | /* generate TP-SCTS */ |
| 283 | smsp = msgb_put(msg, 7); |
| 284 | gsm340_gen_scts(smsp, time(NULL)); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 285 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 286 | /* generate TP-UDL */ |
| 287 | smsp = msgb_put(msg, 1); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 288 | *smsp = sms->user_data_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 289 | |
| 290 | /* generate TP-UD */ |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 291 | switch (gsm338_get_sms_alphabet(sms->data_coding_scheme)) { |
| 292 | case DCS_7BIT_DEFAULT: |
Daniel Willmann | 9aef145 | 2009-08-13 03:39:07 +0200 | [diff] [blame] | 293 | octet_len = sms->user_data_len*7/8; |
| 294 | if (sms->user_data_len*7%8 != 0) |
| 295 | octet_len++; |
Daniel Willmann | 6b1e822 | 2009-08-12 21:17:06 +0200 | [diff] [blame] | 296 | /* Warning, user_data_len indicates the amount of septets |
| 297 | * (characters), we need amount of octets occupied */ |
Daniel Willmann | 9aef145 | 2009-08-13 03:39:07 +0200 | [diff] [blame] | 298 | smsp = msgb_put(msg, octet_len); |
| 299 | memcpy(smsp, sms->user_data, octet_len); |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 300 | break; |
| 301 | case DCS_UCS2: |
| 302 | case DCS_8BIT_DATA: |
| 303 | smsp = msgb_put(msg, sms->user_data_len); |
| 304 | memcpy(smsp, sms->user_data, sms->user_data_len); |
| 305 | break; |
| 306 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 307 | LOGP(DLSMS, LOGL_NOTICE, "Unhandled Data Coding Scheme: 0x%02X\n", |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 308 | sms->data_coding_scheme); |
Daniel Willmann | 6b024cb | 2009-08-15 03:01:46 +0200 | [diff] [blame] | 309 | break; |
Daniel Willmann | 6b1e822 | 2009-08-12 21:17:06 +0200 | [diff] [blame] | 310 | } |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 311 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 312 | return msg->len - old_msg_len; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 313 | } |
| 314 | |
Holger Hans Peter Freyther | acf8a0c | 2010-03-29 08:47:44 +0200 | [diff] [blame] | 315 | /* process an incoming TPDU (called from RP-DATA) |
| 316 | * return value > 0: RP CAUSE for ERROR; < 0: silent error; 0 = success */ |
Holger Hans Peter Freyther | 18b63f4 | 2010-03-23 07:52:17 +0100 | [diff] [blame] | 317 | static int gsm340_rx_tpdu(struct gsm_subscriber_connection *conn, struct msgb *msg) |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 318 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 319 | uint8_t *smsp = msgb_sms(msg); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 320 | struct gsm_sms *gsms; |
Harald Welte | 258c713 | 2011-07-16 13:34:52 +0200 | [diff] [blame] | 321 | unsigned int sms_alphabet; |
| 322 | uint8_t sms_mti, sms_mms, sms_vpf, sms_rp; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 323 | uint8_t *sms_vp; |
| 324 | uint8_t da_len_bytes; |
| 325 | 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] | 326 | int rc = 0; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 327 | |
Pablo Neira Ayuso | dfb342c | 2011-05-06 12:13:10 +0200 | [diff] [blame] | 328 | osmo_counter_inc(conn->bts->network->stats.sms.submitted); |
Harald Welte | 24ff6ee | 2009-12-22 00:41:05 +0100 | [diff] [blame] | 329 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 330 | gsms = sms_alloc(); |
| 331 | if (!gsms) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 332 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 333 | |
| 334 | /* invert those fields where 0 means active/present */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 335 | sms_mti = *smsp & 0x03; |
| 336 | sms_mms = !!(*smsp & 0x04); |
| 337 | sms_vpf = (*smsp & 0x18) >> 3; |
| 338 | gsms->status_rep_req = (*smsp & 0x20); |
| 339 | gsms->ud_hdr_ind = (*smsp & 0x40); |
| 340 | sms_rp = (*smsp & 0x80); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 341 | |
| 342 | smsp++; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 343 | gsms->msg_ref = *smsp++; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 344 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 345 | /* length in bytes of the destination address */ |
| 346 | da_len_bytes = 2 + *smsp/2 + *smsp%2; |
| 347 | if (da_len_bytes > 12) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 348 | LOGP(DLSMS, LOGL_ERROR, "Destination Address > 12 bytes ?!?\n"); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 349 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 350 | goto out; |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 351 | } else if (da_len_bytes < 4) { |
| 352 | LOGP(DLSMS, LOGL_ERROR, "Destination Address < 4 bytes ?!?\n"); |
| 353 | rc = GSM411_RP_CAUSE_SEMANT_INC_MSG; |
| 354 | goto out; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 355 | } |
Harald Welte | 3cfdb22 | 2009-06-12 02:42:11 +0800 | [diff] [blame] | 356 | memset(address_lv, 0, sizeof(address_lv)); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 357 | memcpy(address_lv, smsp, da_len_bytes); |
| 358 | /* mangle first byte to reflect length in bytes, not digits */ |
Harald Welte | 3cfdb22 | 2009-06-12 02:42:11 +0800 | [diff] [blame] | 359 | address_lv[0] = da_len_bytes - 1; |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 360 | |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 361 | gsms->dst.ton = (address_lv[1] >> 4) & 7; |
| 362 | gsms->dst.npi = address_lv[1] & 0xF; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 363 | /* convert to real number */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 364 | gsm48_decode_bcd_number(gsms->dst.addr, |
| 365 | sizeof(gsms->dst.addr), address_lv, 1); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 366 | smsp += da_len_bytes; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 367 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 368 | gsms->protocol_id = *smsp++; |
| 369 | gsms->data_coding_scheme = *smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 370 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 371 | sms_alphabet = gsm338_get_sms_alphabet(gsms->data_coding_scheme); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 372 | if (sms_alphabet == 0xffffffff) { |
| 373 | sms_free(gsms); |
Harald Welte | e98c635 | 2010-06-09 15:29:13 +0200 | [diff] [blame] | 374 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 375 | } |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 376 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 377 | switch (sms_vpf) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 378 | case GSM340_TP_VPF_RELATIVE: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 379 | sms_vp = smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 380 | break; |
| 381 | case GSM340_TP_VPF_ABSOLUTE: |
| 382 | case GSM340_TP_VPF_ENHANCED: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 383 | sms_vp = smsp; |
Steffen Neubauer | f326267 | 2009-11-26 12:28:41 +0100 | [diff] [blame] | 384 | /* the additional functionality indicator... */ |
Steffen Neubauer | ac0c13c | 2009-12-05 12:44:41 +0100 | [diff] [blame] | 385 | if (sms_vpf == GSM340_TP_VPF_ENHANCED && *smsp & (1<<7)) |
| 386 | smsp++; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 387 | smsp += 7; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 388 | break; |
Daniel Willmann | 58c83d8 | 2009-08-13 03:40:49 +0200 | [diff] [blame] | 389 | case GSM340_TP_VPF_NONE: |
| 390 | sms_vp = 0; |
| 391 | break; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 392 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 393 | LOGP(DLSMS, LOGL_NOTICE, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 394 | "SMS Validity period not implemented: 0x%02x\n", sms_vpf); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 395 | return GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 396 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 397 | gsms->user_data_len = *smsp++; |
| 398 | if (gsms->user_data_len) { |
| 399 | memcpy(gsms->user_data, smsp, gsms->user_data_len); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 400 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 401 | switch (sms_alphabet) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 402 | case DCS_7BIT_DEFAULT: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 403 | gsm_7bit_decode(gsms->text, smsp, gsms->user_data_len); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 404 | break; |
| 405 | case DCS_8BIT_DATA: |
| 406 | case DCS_UCS2: |
| 407 | case DCS_NONE: |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 408 | break; |
| 409 | } |
| 410 | } |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 411 | |
Holger Hans Peter Freyther | 4f83409 | 2010-06-16 14:16:47 +0800 | [diff] [blame] | 412 | gsms->sender = subscr_get(conn->subscr); |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 413 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 414 | 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] | 415 | "MR: 0x%02x PID: 0x%02x, DCS: 0x%02x, DA: %s, " |
| 416 | "UserDataLength: 0x%02x, UserData: \"%s\"\n", |
| 417 | subscr_name(gsms->sender), sms_mti, sms_vpf, gsms->msg_ref, |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 418 | gsms->protocol_id, gsms->data_coding_scheme, gsms->dst.addr, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 419 | gsms->user_data_len, |
Holger Hans Peter Freyther | acf8a0c | 2010-03-29 08:47:44 +0200 | [diff] [blame] | 420 | sms_alphabet == DCS_7BIT_DEFAULT ? gsms->text : |
Pablo Neira Ayuso | c0d17f2 | 2011-05-07 12:12:48 +0200 | [diff] [blame] | 421 | osmo_hexdump(gsms->user_data, gsms->user_data_len)); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 422 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 423 | gsms->validity_minutes = gsm340_validity_period(sms_vpf, sms_vp); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 424 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 425 | /* FIXME: This looks very wrong */ |
| 426 | send_signal(0, NULL, gsms, 0); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 427 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 428 | /* determine gsms->receiver based on dialled number */ |
Harald Welte | c0de14d | 2012-11-23 23:35:01 +0100 | [diff] [blame] | 429 | gsms->receiver = subscr_get_by_extension(conn->bts->network, gsms->dst.addr); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 430 | if (!gsms->receiver) { |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 431 | #ifdef BUILD_SMPP |
| 432 | rc = smpp_try_deliver(gsms); |
| 433 | if (rc == 1) { |
| 434 | rc = 1; /* cause 1: unknown subscriber */ |
| 435 | osmo_counter_inc(conn->bts->network->stats.sms.no_receiver); |
| 436 | } else if (rc < 0) { |
| 437 | rc = 21; /* cause 21: short message transfer rejected */ |
| 438 | /* FIXME: handle the error somehow? */ |
| 439 | } |
| 440 | #else |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 441 | rc = 1; /* cause 1: unknown subscriber */ |
Pablo Neira Ayuso | dfb342c | 2011-05-06 12:13:10 +0200 | [diff] [blame] | 442 | osmo_counter_inc(conn->bts->network->stats.sms.no_receiver); |
Harald Welte | e07b6a7 | 2012-11-23 19:02:37 +0100 | [diff] [blame] | 443 | #endif |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 444 | goto out; |
| 445 | } |
| 446 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 447 | switch (sms_mti) { |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 448 | case GSM340_SMS_SUBMIT_MS2SC: |
| 449 | /* MS is submitting a SMS */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 450 | rc = gsm340_rx_sms_submit(msg, gsms); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 451 | break; |
| 452 | case GSM340_SMS_COMMAND_MS2SC: |
| 453 | case GSM340_SMS_DELIVER_REP_MS2SC: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 454 | LOGP(DLSMS, LOGL_NOTICE, "Unimplemented MTI 0x%02x\n", sms_mti); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 455 | rc = GSM411_RP_CAUSE_IE_NOTEXIST; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 456 | break; |
| 457 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 458 | LOGP(DLSMS, LOGL_NOTICE, "Undefined MTI 0x%02x\n", sms_mti); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 459 | rc = GSM411_RP_CAUSE_IE_NOTEXIST; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 460 | break; |
| 461 | } |
| 462 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 463 | if (!rc && !gsms->receiver) |
| 464 | rc = GSM411_RP_CAUSE_MO_NUM_UNASSIGNED; |
| 465 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 466 | out: |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 467 | sms_free(gsms); |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 468 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 469 | return rc; |
Daniel Willmann | e0fbec8 | 2008-12-29 00:44:41 +0000 | [diff] [blame] | 470 | } |
| 471 | |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 472 | static 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] | 473 | { |
| 474 | struct msgb *msg = gsm411_msgb_alloc(); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 475 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 476 | DEBUGP(DLSMS, "TX: SMS RP ACK\n"); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 477 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 478 | return gsm411_rp_sendmsg(&trans->sms.smc_inst, msg, GSM411_MT_RP_ACK_MT, |
| 479 | msg_ref, GSM411_MNSMS_DATA_REQ); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 480 | } |
| 481 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 482 | static int gsm411_send_rp_error(struct gsm_trans *trans, |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 483 | uint8_t msg_ref, uint8_t cause) |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 484 | { |
| 485 | struct msgb *msg = gsm411_msgb_alloc(); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 486 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 487 | msgb_tv_put(msg, 1, cause); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 488 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 489 | LOGP(DLSMS, LOGL_NOTICE, "TX: SMS RP ERROR, cause %d (%s)\n", cause, |
Harald Welte (local) | c89a511 | 2009-08-14 10:42:43 +0200 | [diff] [blame] | 490 | get_value_string(rp_cause_strs, cause)); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 491 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 492 | return gsm411_rp_sendmsg(&trans->sms.smc_inst, msg, |
| 493 | GSM411_MT_RP_ERROR_MT, msg_ref, GSM411_MNSMS_DATA_REQ); |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 494 | } |
| 495 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 496 | /* Receive a 04.11 TPDU inside RP-DATA / user data */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 497 | static int gsm411_rx_rp_ud(struct msgb *msg, struct gsm_trans *trans, |
| 498 | struct gsm411_rp_hdr *rph, |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 499 | uint8_t src_len, uint8_t *src, |
| 500 | uint8_t dst_len, uint8_t *dst, |
| 501 | uint8_t tpdu_len, uint8_t *tpdu) |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 502 | { |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 503 | int rc = 0; |
| 504 | |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 505 | if (src_len && src) |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 506 | LOGP(DLSMS, LOGL_ERROR, "RP-DATA (MO) with SRC ?!?\n"); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 507 | |
| 508 | if (!dst_len || !dst || !tpdu_len || !tpdu) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 509 | LOGP(DLSMS, LOGL_ERROR, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 510 | "RP-DATA (MO) without DST or TPDU ?!?\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 511 | gsm411_send_rp_error(trans, rph->msg_ref, |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 512 | GSM411_RP_CAUSE_INV_MAND_INF); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 513 | return -EIO; |
| 514 | } |
Harald Welte | e9dd9b0 | 2010-04-30 14:27:05 +0200 | [diff] [blame] | 515 | msg->l4h = tpdu; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 516 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 517 | 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] | 518 | |
Holger Hans Peter Freyther | 18b63f4 | 2010-03-23 07:52:17 +0100 | [diff] [blame] | 519 | rc = gsm340_rx_tpdu(trans->conn, msg); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 520 | if (rc == 0) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 521 | return gsm411_send_rp_ack(trans, rph->msg_ref); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 522 | else if (rc > 0) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 523 | return gsm411_send_rp_error(trans, rph->msg_ref, rc); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 524 | else |
| 525 | return rc; |
| 526 | } |
| 527 | |
| 528 | /* 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] | 529 | static int gsm411_rx_rp_data(struct msgb *msg, struct gsm_trans *trans, |
| 530 | struct gsm411_rp_hdr *rph) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 531 | { |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 532 | uint8_t src_len, dst_len, rpud_len; |
| 533 | uint8_t *src = NULL, *dst = NULL , *rp_ud = NULL; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 534 | |
| 535 | /* in the MO case, this should always be zero length */ |
| 536 | src_len = rph->data[0]; |
| 537 | if (src_len) |
| 538 | src = &rph->data[1]; |
| 539 | |
| 540 | dst_len = rph->data[1+src_len]; |
| 541 | if (dst_len) |
| 542 | dst = &rph->data[1+src_len+1]; |
| 543 | |
| 544 | rpud_len = rph->data[1+src_len+1+dst_len]; |
| 545 | if (rpud_len) |
| 546 | rp_ud = &rph->data[1+src_len+1+dst_len+1]; |
| 547 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 548 | 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] | 549 | src_len, dst_len, rpud_len); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 550 | 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] | 551 | rpud_len, rp_ud); |
| 552 | } |
| 553 | |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 554 | /* 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] | 555 | static int gsm411_rx_rp_ack(struct msgb *msg, struct gsm_trans *trans, |
| 556 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 557 | { |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 558 | struct gsm_sms *sms = trans->sms.sms; |
| 559 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 560 | /* Acnkowledgement to MT RP_DATA, i.e. the MS confirms it |
| 561 | * successfully received a SMS. We can now safely mark it as |
| 562 | * transmitted */ |
| 563 | |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 564 | if (!trans->sms.is_mt) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 565 | LOGP(DLSMS, LOGL_ERROR, "RX RP-ACK on a MO transfer ?\n"); |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 566 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 567 | GSM411_RP_CAUSE_MSG_INCOMP_STATE); |
| 568 | } |
Harald Welte | 3e0f617 | 2009-07-09 23:52:59 +0200 | [diff] [blame] | 569 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 570 | if (!sms) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 571 | 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] | 572 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 573 | GSM411_RP_CAUSE_PROTOCOL_ERR); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 574 | } |
| 575 | |
| 576 | /* mark this SMS as sent in database */ |
| 577 | db_sms_mark_sent(sms); |
| 578 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 579 | send_signal(S_SMS_DELIVERED, trans, sms, 0); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 580 | |
| 581 | sms_free(sms); |
| 582 | trans->sms.sms = NULL; |
| 583 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 584 | /* check for more messages for this subscriber */ |
Holger Hans Peter Freyther | 5179c8e | 2010-03-23 07:32:23 +0100 | [diff] [blame] | 585 | sms = db_sms_get_unsent_for_subscr(trans->subscr); |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 586 | if (sms) |
Holger Hans Peter Freyther | 0fbb3ec | 2010-06-16 14:19:31 +0800 | [diff] [blame] | 587 | gsm411_send_sms(trans->conn, sms); |
Sylvain Munaut | d6c35f6 | 2009-12-24 13:33:51 +0100 | [diff] [blame] | 588 | |
| 589 | /* free the transaction here */ |
| 590 | trans_free(trans); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 591 | return 0; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 592 | } |
| 593 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 594 | static int gsm411_rx_rp_error(struct msgb *msg, struct gsm_trans *trans, |
| 595 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 596 | { |
Holger Hans Peter Freyther | 18b63f4 | 2010-03-23 07:52:17 +0100 | [diff] [blame] | 597 | struct gsm_network *net = trans->conn->bts->network; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 598 | struct gsm_sms *sms = trans->sms.sms; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 599 | uint8_t cause_len = rph->data[0]; |
| 600 | uint8_t cause = rph->data[1]; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 601 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 602 | /* Error in response to MT RP_DATA, i.e. the MS did not |
| 603 | * successfully receive the SMS. We need to investigate |
| 604 | * the cause and take action depending on it */ |
| 605 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 606 | 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] | 607 | subscr_name(trans->conn->subscr), cause_len, cause, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 608 | get_value_string(rp_cause_strs, cause)); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 609 | |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 610 | if (!trans->sms.is_mt) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 611 | LOGP(DLSMS, LOGL_ERROR, "RX RP-ERR on a MO transfer ?\n"); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 612 | #if 0 |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 613 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 614 | GSM411_RP_CAUSE_MSG_INCOMP_STATE); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 615 | #endif |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 616 | } |
Harald Welte | 3e0f617 | 2009-07-09 23:52:59 +0200 | [diff] [blame] | 617 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 618 | if (!sms) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 619 | LOGP(DLSMS, LOGL_ERROR, |
Harald Welte | d0cf7ba | 2009-12-24 15:08:18 +0100 | [diff] [blame] | 620 | "RX RP-ERR, but no sms in transaction?!?\n"); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 621 | return -EINVAL; |
| 622 | #if 0 |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 623 | return gsm411_send_rp_error(trans, rph->msg_ref, |
| 624 | GSM411_RP_CAUSE_PROTOCOL_ERR); |
Harald Welte (local) | ee4410a | 2009-08-17 09:39:55 +0200 | [diff] [blame] | 625 | #endif |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 626 | } |
| 627 | |
| 628 | if (cause == GSM411_RP_CAUSE_MT_MEM_EXCEEDED) { |
| 629 | /* 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] | 630 | * to store this in our database and wait for a SMMA message */ |
Harald Welte | cb8f443 | 2009-08-09 14:59:02 +0200 | [diff] [blame] | 631 | /* FIXME */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 632 | send_signal(S_SMS_MEM_EXCEEDED, trans, sms, 0); |
Pablo Neira Ayuso | dfb342c | 2011-05-06 12:13:10 +0200 | [diff] [blame] | 633 | osmo_counter_inc(net->stats.sms.rp_err_mem); |
Holger Hans Peter Freyther | 0eb7666 | 2010-12-24 09:47:04 +0100 | [diff] [blame] | 634 | } else { |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 635 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
Pablo Neira Ayuso | dfb342c | 2011-05-06 12:13:10 +0200 | [diff] [blame] | 636 | osmo_counter_inc(net->stats.sms.rp_err_other); |
Holger Hans Peter Freyther | 0eb7666 | 2010-12-24 09:47:04 +0100 | [diff] [blame] | 637 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 638 | |
| 639 | sms_free(sms); |
| 640 | trans->sms.sms = NULL; |
| 641 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 642 | return 0; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 643 | } |
| 644 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 645 | static int gsm411_rx_rp_smma(struct msgb *msg, struct gsm_trans *trans, |
| 646 | struct gsm411_rp_hdr *rph) |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 647 | { |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 648 | struct gsm_sms *sms; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 649 | int rc; |
| 650 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 651 | rc = gsm411_send_rp_ack(trans, rph->msg_ref); |
| 652 | trans->sms.rp_state = GSM411_RPS_IDLE; |
| 653 | |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 654 | /* MS tells us that it has memory for more SMS, we need |
| 655 | * to check if we have any pending messages for it and then |
| 656 | * transfer those */ |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 657 | send_signal(S_SMS_SMMA, trans, NULL, 0); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 658 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 659 | /* check for more messages for this subscriber */ |
Holger Hans Peter Freyther | 5179c8e | 2010-03-23 07:32:23 +0100 | [diff] [blame] | 660 | sms = db_sms_get_unsent_for_subscr(trans->subscr); |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 661 | if (sms) |
Holger Hans Peter Freyther | 0fbb3ec | 2010-06-16 14:19:31 +0800 | [diff] [blame] | 662 | gsm411_send_sms(trans->conn, sms); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 663 | |
| 664 | return rc; |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 665 | } |
| 666 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 667 | /* receive CP DATA */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 668 | static int gsm411_rx_cp_data(struct msgb *msg, struct gsm48_hdr *gh, |
| 669 | struct gsm_trans *trans) |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 670 | { |
Daniel Willmann | 471712b | 2008-12-29 01:54:02 +0000 | [diff] [blame] | 671 | 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] | 672 | uint8_t msg_type = rp_data->msg_type & 0x07; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 673 | int rc = 0; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 674 | |
| 675 | switch (msg_type) { |
| 676 | case GSM411_MT_RP_DATA_MO: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 677 | DEBUGP(DLSMS, "RX SMS RP-DATA (MO)\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 678 | /* start TR2N and enter 'wait to send RP-ACK state' */ |
| 679 | trans->sms.rp_state = GSM411_RPS_WAIT_TO_TX_RP_ACK; |
| 680 | rc = gsm411_rx_rp_data(msg, trans, rp_data); |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 681 | break; |
| 682 | case GSM411_MT_RP_ACK_MO: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 683 | DEBUGP(DLSMS,"RX SMS RP-ACK (MO)\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 684 | rc = gsm411_rx_rp_ack(msg, trans, rp_data); |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 685 | break; |
Harald Welte | 7e310b1 | 2009-03-30 20:56:32 +0000 | [diff] [blame] | 686 | case GSM411_MT_RP_SMMA_MO: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 687 | DEBUGP(DLSMS, "RX SMS RP-SMMA\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 688 | /* start TR2N and enter 'wait to send RP-ACK state' */ |
| 689 | trans->sms.rp_state = GSM411_RPS_WAIT_TO_TX_RP_ACK; |
| 690 | rc = gsm411_rx_rp_smma(msg, trans, rp_data); |
| 691 | break; |
| 692 | case GSM411_MT_RP_ERROR_MO: |
| 693 | rc = gsm411_rx_rp_error(msg, trans, rp_data); |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 694 | break; |
| 695 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 696 | LOGP(DLSMS, LOGL_NOTICE, "Invalid RP type 0x%02x\n", msg_type); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 697 | rc = gsm411_send_rp_error(trans, rp_data->msg_ref, |
| 698 | GSM411_RP_CAUSE_MSGTYPE_NOTEXIST); |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 699 | break; |
| 700 | } |
| 701 | |
| 702 | return rc; |
| 703 | } |
| 704 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 705 | /* receive MNCCSMS sap message from SMC |
| 706 | * NOTE: Message is freed by sender |
| 707 | */ |
| 708 | static int gsm411_mn_recv(struct gsm411_smc_inst *inst, int msg_type, |
| 709 | struct msgb *msg) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 710 | { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 711 | struct gsm_trans *trans = |
| 712 | container_of(inst, struct gsm_trans, sms.smc_inst); |
| 713 | struct gsm48_hdr *gh = msgb_l3(msg); |
| 714 | int rc = 0; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 715 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 716 | switch (msg_type) { |
| 717 | case GSM411_MNSMS_EST_IND: |
| 718 | case GSM411_MNSMS_DATA_IND: |
| 719 | DEBUGP(DLSMS, "MNSMS-DATA/EST-IND\n"); |
| 720 | rc = gsm411_rx_cp_data(msg, gh, trans); |
| 721 | break; |
| 722 | case GSM411_MNSMS_ERROR_IND: |
| 723 | if (gh) |
| 724 | DEBUGP(DLSMS, "MNSMS-ERROR-IND, cause %d (%s)\n", |
| 725 | gh->data[0], |
| 726 | get_value_string(gsm411_cp_cause_strs, |
| 727 | gh->data[0])); |
| 728 | else |
| 729 | DEBUGP(DLSMS, "MNSMS-ERROR-IND, no cause\n"); |
| 730 | break; |
| 731 | default: |
| 732 | rc = -EINVAL; |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 733 | } |
Holger Hans Peter Freyther | 09e364b | 2009-08-10 07:59:27 +0200 | [diff] [blame] | 734 | |
| 735 | return rc; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 736 | } |
| 737 | |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 738 | /* 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] | 739 | int gsm0411_rcv_sms(struct gsm_subscriber_connection *conn, |
Holger Hans Peter Freyther | 9764331 | 2010-06-17 16:41:25 +0800 | [diff] [blame] | 740 | struct msgb *msg) |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 741 | { |
| 742 | struct gsm48_hdr *gh = msgb_l3(msg); |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 743 | uint8_t msg_type = gh->msg_type; |
| 744 | uint8_t transaction_id = ((gh->proto_discr >> 4) ^ 0x8); /* flip */ |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 745 | struct gsm_trans *trans; |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 746 | int new_trans = 0; |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 747 | int rc = 0; |
| 748 | |
Holger Hans Peter Freyther | 57c4dec | 2010-06-16 14:24:55 +0800 | [diff] [blame] | 749 | if (!conn->subscr) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 750 | return -EIO; |
| 751 | /* FIXME: send some error message */ |
| 752 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 753 | DEBUGP(DLSMS, "receiving data (trans_id=%x)\n", transaction_id); |
Holger Hans Peter Freyther | 57c4dec | 2010-06-16 14:24:55 +0800 | [diff] [blame] | 754 | trans = trans_find_by_id(conn->subscr, GSM48_PDISC_SMS, |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 755 | transaction_id); |
| 756 | if (!trans) { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 757 | DEBUGP(DLSMS, " -> (new transaction)\n"); |
Holger Hans Peter Freyther | 57c4dec | 2010-06-16 14:24:55 +0800 | [diff] [blame] | 758 | trans = trans_alloc(conn->subscr, GSM48_PDISC_SMS, |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 759 | transaction_id, new_callref++); |
| 760 | if (!trans) { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 761 | DEBUGP(DLSMS, " -> No memory for trans\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 762 | /* FIXME: send some error message */ |
| 763 | return -ENOMEM; |
| 764 | } |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 765 | gsm411_smc_init(&trans->sms.smc_inst, 0, 1, |
| 766 | gsm411_mn_recv, gsm411_mm_send); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 767 | trans->sms.rp_state = GSM411_RPS_IDLE; |
Holger Hans Peter Freyther | 9764331 | 2010-06-17 16:41:25 +0800 | [diff] [blame] | 768 | trans->sms.link_id = UM_SAPI_SMS; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 769 | |
Holger Hans Peter Freyther | 57c4dec | 2010-06-16 14:24:55 +0800 | [diff] [blame] | 770 | trans->conn = conn; |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 771 | |
| 772 | new_trans = 1; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 773 | } |
| 774 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 775 | /* 5.4: For MO, if a CP-DATA is received for a new |
| 776 | * transaction, equals reception of an implicit |
| 777 | * last CP-ACK for previous transaction */ |
| 778 | if (trans->sms.smc_inst.cp_state == GSM411_CPS_IDLE |
| 779 | && msg_type == GSM411_MT_CP_DATA) { |
| 780 | int i; |
| 781 | struct gsm_trans *ptrans; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 782 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 783 | /* Scan through all remote initiated transactions */ |
| 784 | for (i=8; i<15; i++) { |
| 785 | if (i == transaction_id) |
| 786 | continue; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 787 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 788 | ptrans = trans_find_by_id(conn->subscr, |
| 789 | GSM48_PDISC_SMS, i); |
| 790 | if (!ptrans) |
| 791 | continue; |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 792 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 793 | DEBUGP(DLSMS, "Implicit CP-ACK for trans_id=%x\n", i); |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 794 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 795 | /* Finish it for good */ |
| 796 | trans_free(ptrans); |
Sylvain Munaut | 258e2f9 | 2009-12-24 16:47:08 +0100 | [diff] [blame] | 797 | } |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 798 | } |
| 799 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 800 | gsm411_smc_recv(&trans->sms.smc_inst, |
| 801 | (new_trans) ? GSM411_MMSMS_EST_IND : GSM411_MMSMS_DATA_IND, |
| 802 | msg, msg_type); |
| 803 | |
Daniel Willmann | 8b3390e | 2008-12-28 00:31:09 +0000 | [diff] [blame] | 804 | return rc; |
| 805 | } |
| 806 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 807 | /* Take a SMS in gsm_sms structure and send it through an already |
| 808 | * existing lchan. We also assume that the caller ensured this lchan already |
| 809 | * has a SAPI3 RLL connection! */ |
Holger Hans Peter Freyther | 11b28f9 | 2010-12-24 13:48:27 +0100 | [diff] [blame] | 810 | 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] | 811 | { |
| 812 | struct msgb *msg = gsm411_msgb_alloc(); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 813 | struct gsm_trans *trans; |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 814 | uint8_t *data, *rp_ud_len; |
| 815 | uint8_t msg_ref = 42; |
Sylvain Munaut | c4052cf | 2009-12-24 13:27:36 +0100 | [diff] [blame] | 816 | int transaction_id; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 817 | int rc; |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 818 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 819 | transaction_id = |
| 820 | trans_assign_trans_id(conn->subscr, GSM48_PDISC_SMS, 0); |
Harald Welte | 4983921 | 2009-12-22 13:45:58 +0100 | [diff] [blame] | 821 | if (transaction_id == -1) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 822 | LOGP(DLSMS, LOGL_ERROR, "No available transaction ids\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 823 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 824 | sms_free(sms); |
Harald Welte | 4983921 | 2009-12-22 13:45:58 +0100 | [diff] [blame] | 825 | return -EBUSY; |
| 826 | } |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 827 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 828 | DEBUGP(DLSMS, "send_sms_lchan()\n"); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 829 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 830 | /* FIXME: allocate transaction with message reference */ |
Holger Hans Peter Freyther | 5179c8e | 2010-03-23 07:32:23 +0100 | [diff] [blame] | 831 | trans = trans_alloc(conn->subscr, GSM48_PDISC_SMS, |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 832 | transaction_id, new_callref++); |
| 833 | if (!trans) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 834 | LOGP(DLSMS, LOGL_ERROR, "No memory for trans\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 835 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 836 | sms_free(sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 837 | /* FIXME: send some error message */ |
| 838 | return -ENOMEM; |
| 839 | } |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 840 | gsm411_smc_init(&trans->sms.smc_inst, sms->id, 1, |
| 841 | gsm411_mn_recv, gsm411_mm_send); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 842 | trans->sms.rp_state = GSM411_RPS_IDLE; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 843 | trans->sms.sms = sms; |
Harald Welte (local) | daef606 | 2009-08-14 11:41:12 +0200 | [diff] [blame] | 844 | trans->sms.link_id = UM_SAPI_SMS; /* FIXME: main or SACCH ? */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 845 | |
Holger Hans Peter Freyther | 5179c8e | 2010-03-23 07:32:23 +0100 | [diff] [blame] | 846 | trans->conn = conn; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 847 | |
| 848 | /* Hardcode SMSC Originating Address for now */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 849 | data = (uint8_t *)msgb_put(msg, 8); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 850 | data[0] = 0x07; /* originator length == 7 */ |
Harald Welte | b9c758b | 2009-07-05 14:02:46 +0200 | [diff] [blame] | 851 | data[1] = 0x91; /* type of number: international, ISDN */ |
| 852 | data[2] = 0x44; /* 447785016005 */ |
Daniel Willmann | a3e2984 | 2008-12-29 16:03:54 +0000 | [diff] [blame] | 853 | data[3] = 0x77; |
| 854 | data[4] = 0x58; |
| 855 | data[5] = 0x10; |
| 856 | data[6] = 0x06; |
| 857 | data[7] = 0x50; |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 858 | |
| 859 | /* Hardcoded Destination Address */ |
Holger Hans Peter Freyther | c42ad8b | 2011-04-18 17:04:00 +0200 | [diff] [blame] | 860 | data = (uint8_t *)msgb_put(msg, 1); |
Harald Welte | 87f5d63 | 2009-07-04 17:39:00 +0200 | [diff] [blame] | 861 | data[0] = 0; /* destination length == 0 */ |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 862 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 863 | /* 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] | 864 | rp_ud_len = (uint8_t *)msgb_put(msg, 1); |
Daniel Willmann | 4a1e879 | 2008-12-29 06:23:56 +0000 | [diff] [blame] | 865 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 866 | /* generate the 03.40 TPDU */ |
| 867 | rc = gsm340_gen_tpdu(msg, sms); |
| 868 | if (rc < 0) { |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 869 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
Holger Hans Peter Freyther | 8e78fa7 | 2010-06-14 16:13:16 +0800 | [diff] [blame] | 870 | sms_free(sms); |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 871 | trans->sms.sms = NULL; |
| 872 | trans_free(trans); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 873 | msgb_free(msg); |
| 874 | return rc; |
| 875 | } |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 876 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 877 | *rp_ud_len = rc; |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 878 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 879 | DEBUGP(DLSMS, "TX: SMS DELIVER\n"); |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 880 | |
Pablo Neira Ayuso | dfb342c | 2011-05-06 12:13:10 +0200 | [diff] [blame] | 881 | osmo_counter_inc(conn->bts->network->stats.sms.delivered); |
Nico Golde | 1e5ed4e | 2010-09-16 17:50:29 +0200 | [diff] [blame] | 882 | db_sms_inc_deliver_attempts(trans->sms.sms); |
Harald Welte | 24ff6ee | 2009-12-22 00:41:05 +0100 | [diff] [blame] | 883 | |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 884 | return gsm411_rp_sendmsg(&trans->sms.smc_inst, msg, |
| 885 | GSM411_MT_RP_DATA_MT, msg_ref, GSM411_MNSMS_EST_REQ); |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 886 | /* FIXME: enter 'wait for RP-ACK' state, start TR1N */ |
Daniel Willmann | 6fe997e | 2008-12-29 04:20:41 +0000 | [diff] [blame] | 887 | } |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 888 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 889 | /* paging callback. Here we get called if paging a subscriber has |
| 890 | * succeeded or failed. */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 891 | 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] | 892 | struct msgb *msg, void *_conn, void *_sms) |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 893 | { |
Holger Hans Peter Freyther | 86481c2 | 2010-06-17 15:05:57 +0800 | [diff] [blame] | 894 | struct gsm_subscriber_connection *conn = _conn; |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 895 | struct gsm_sms *sms = _sms; |
Holger Hans Peter Freyther | 4cd5158 | 2010-06-14 16:03:03 +0800 | [diff] [blame] | 896 | int rc = 0; |
Harald Welte | f3efc59 | 2009-07-27 20:11:35 +0200 | [diff] [blame] | 897 | |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 898 | 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] | 899 | "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] | 900 | |
| 901 | if (hooknum != GSM_HOOK_RR_PAGING) |
| 902 | return -EINVAL; |
| 903 | |
| 904 | switch (event) { |
| 905 | case GSM_PAGING_SUCCEEDED: |
Holger Hans Peter Freyther | 86481c2 | 2010-06-17 15:05:57 +0800 | [diff] [blame] | 906 | gsm411_send_sms(conn, sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 907 | break; |
| 908 | case GSM_PAGING_EXPIRED: |
Holger Hans Peter Freyther | ca5702a | 2010-06-10 18:20:54 +0800 | [diff] [blame] | 909 | case GSM_PAGING_OOM: |
Holger Hans Peter Freyther | d3baf41 | 2010-12-23 18:19:17 +0100 | [diff] [blame] | 910 | case GSM_PAGING_BUSY: |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 911 | send_signal(S_SMS_UNKNOWN_ERROR, NULL, sms, event); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 912 | sms_free(sms); |
| 913 | rc = -ETIMEDOUT; |
| 914 | break; |
Holger Hans Peter Freyther | 52ffb92 | 2010-12-29 14:02:34 +0100 | [diff] [blame] | 915 | default: |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 916 | LOGP(DLSMS, LOGL_ERROR, "Unhandled paging event: %d\n", event); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | return rc; |
| 920 | } |
| 921 | |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 922 | /* high-level function to send a SMS to a given subscriber. The function |
| 923 | * will take care of paging the subscriber, establishing the RLL SAPI3 |
| 924 | * connection, etc. */ |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 925 | int gsm411_send_sms_subscr(struct gsm_subscriber *subscr, |
| 926 | struct gsm_sms *sms) |
| 927 | { |
Holger Hans Peter Freyther | b2be195 | 2010-06-16 13:23:55 +0800 | [diff] [blame] | 928 | struct gsm_subscriber_connection *conn; |
Harald Welte | cf6a381 | 2009-08-09 19:07:41 +0200 | [diff] [blame] | 929 | |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 930 | /* check if we already have an open lchan to the subscriber. |
| 931 | * if yes, send the SMS this way */ |
Holger Hans Peter Freyther | b2be195 | 2010-06-16 13:23:55 +0800 | [diff] [blame] | 932 | conn = connection_for_subscr(subscr); |
| 933 | if (conn) { |
Holger Hans Peter Freyther | 0fbb3ec | 2010-06-16 14:19:31 +0800 | [diff] [blame] | 934 | return gsm411_send_sms(conn, sms); |
Holger Hans Peter Freyther | ecd9933 | 2010-06-15 12:53:08 +0800 | [diff] [blame] | 935 | } |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 936 | |
| 937 | /* if not, we have to start paging */ |
Holger Hans Peter Freyther | 7afac58 | 2010-06-10 18:21:25 +0800 | [diff] [blame] | 938 | subscr_get_channel(subscr, RSL_CHANNEED_SDCCH, paging_cb_send_sms, sms); |
Harald Welte | 7604218 | 2009-08-08 16:03:15 +0200 | [diff] [blame] | 939 | return 0; |
| 940 | } |
Harald Welte | 3366a94 | 2009-07-28 00:44:49 +0200 | [diff] [blame] | 941 | |
Harald Welte (local) | 86b1717 | 2009-08-14 14:52:17 +0200 | [diff] [blame] | 942 | void _gsm411_sms_trans_free(struct gsm_trans *trans) |
| 943 | { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 944 | /* cleanup SMS instance */ |
| 945 | gsm411_smc_clear(&trans->sms.smc_inst); |
| 946 | trans->sms.smc_inst.mn_recv = NULL; |
| 947 | trans->sms.smc_inst.mm_send = NULL; |
| 948 | |
Holger Hans Peter Freyther | cea722b | 2010-06-15 12:29:37 +0800 | [diff] [blame] | 949 | if (trans->sms.sms) { |
Holger Hans Peter Freyther | eff4094 | 2012-11-10 19:46:58 +0100 | [diff] [blame] | 950 | LOGP(DLSMS, LOGL_ERROR, "Transaction contains SMS.\n"); |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 951 | 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] | 952 | sms_free(trans->sms.sms); |
| 953 | trans->sms.sms = NULL; |
| 954 | } |
Harald Welte (local) | 86b1717 | 2009-08-14 14:52:17 +0200 | [diff] [blame] | 955 | } |
| 956 | |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 957 | void gsm411_sapi_n_reject(struct gsm_subscriber_connection *conn) |
| 958 | { |
Holger Hans Peter Freyther | 79eff7e | 2010-12-27 23:25:53 +0100 | [diff] [blame] | 959 | struct gsm_network *net; |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 960 | struct gsm_trans *trans, *tmp; |
| 961 | |
Holger Hans Peter Freyther | 79eff7e | 2010-12-27 23:25:53 +0100 | [diff] [blame] | 962 | net = conn->bts->network; |
| 963 | |
| 964 | llist_for_each_entry_safe(trans, tmp, &net->trans_list, entry) |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 965 | if (trans->conn == conn) { |
| 966 | struct gsm_sms *sms = trans->sms.sms; |
| 967 | if (!sms) { |
Andreas Eversberg | f7396ea | 2011-10-28 04:07:07 +0200 | [diff] [blame^] | 968 | LOGP(DLSMS, LOGL_ERROR, "SAPI Reject but no " |
| 969 | "SMS.\n"); |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 970 | continue; |
| 971 | } |
| 972 | |
Holger Hans Peter Freyther | 04144c1 | 2010-12-24 10:15:55 +0100 | [diff] [blame] | 973 | send_signal(S_SMS_UNKNOWN_ERROR, trans, sms, 0); |
Holger Hans Peter Freyther | 6a3d765 | 2010-06-15 12:03:10 +0800 | [diff] [blame] | 974 | sms_free(sms); |
| 975 | trans->sms.sms = NULL; |
| 976 | trans_free(trans); |
| 977 | } |
| 978 | } |
| 979 | |