795 lines
21 KiB
C
795 lines
21 KiB
C
/* OpenBSC SMPP 3.4 interface, SMSC-side implementation */
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/* (C) 2012-2013 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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#include <stdint.h>
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#include <errno.h>
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#include <smpp34.h>
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#include <smpp34_structs.h>
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#include <smpp34_params.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/msgb.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/talloc.h>
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#include <osmocom/gsm/protocol/gsm_04_11.h>
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#include <osmocom/gsm/protocol/smpp34_osmocom.h>
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#include <osmocom/msc/gsm_subscriber.h>
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#include <osmocom/msc/debug.h>
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#include <osmocom/msc/db.h>
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#include <osmocom/msc/gsm_04_11.h>
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#include <osmocom/msc/gsm_data.h>
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#include <osmocom/msc/signal.h>
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#include <osmocom/msc/transaction.h>
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#include <osmocom/msc/gsm_subscriber.h>
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#include <osmocom/msc/chan_alloc.h>
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#include <osmocom/msc/vlr.h>
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#include "smpp_smsc.h"
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/*! \brief find vlr_subscr for a given SMPP NPI/TON/Address */
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static struct vlr_subscr *subscr_by_dst(struct gsm_network *net,
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uint8_t npi, uint8_t ton,
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const char *addr)
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{
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struct vlr_subscr *vsub = NULL;
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switch (npi) {
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case NPI_Land_Mobile_E212:
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vsub = vlr_subscr_find_by_imsi(net->vlr, addr);
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break;
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case NPI_ISDN_E163_E164:
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case NPI_Private:
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vsub = vlr_subscr_find_by_msisdn(net->vlr, addr);
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break;
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default:
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LOGP(DSMPP, LOGL_NOTICE, "Unsupported NPI: %u\n", npi);
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break;
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}
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log_set_context(LOG_CTX_VLR_SUBSCR, vsub);
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return vsub;
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}
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static int smpp34_submit_tlv_msg_payload(const struct tlv_t *t,
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const struct submit_sm_t *submit,
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const uint8_t **sms_msg,
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unsigned int *sms_msg_len)
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{
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if (submit->sm_length) {
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LOGP(DLSMS, LOGL_ERROR,
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"SMPP cannot have payload in TLV _and_ in the header\n");
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return -1;
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}
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*sms_msg = t->value.octet;
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*sms_msg_len = t->length;
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return 0;
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}
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/*! \brief convert from submit_sm_t to gsm_sms */
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static int submit_to_sms(struct gsm_sms **psms, struct gsm_network *net,
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const struct submit_sm_t *submit)
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{
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const uint8_t *sms_msg = NULL;
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unsigned int sms_msg_len = 0;
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struct vlr_subscr *dest;
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uint16_t msg_ref = 0;
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struct gsm_sms *sms;
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struct tlv_t *t;
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int mode;
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dest = subscr_by_dst(net, submit->dest_addr_npi,
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submit->dest_addr_ton,
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(const char *)submit->destination_addr);
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if (!dest) {
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LOGP(DLSMS, LOGL_NOTICE, "SMPP SUBMIT-SM for unknown subscriber: "
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"%s (NPI=%u)\n", submit->destination_addr,
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submit->dest_addr_npi);
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return ESME_RINVDSTADR;
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}
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smpp34_tlv_for_each(t, submit->tlv) {
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switch (t->tag) {
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case TLVID_message_payload:
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if (smpp34_submit_tlv_msg_payload(t, submit, &sms_msg,
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&sms_msg_len) < 0) {
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vlr_subscr_put(dest);
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return ESME_ROPTPARNOTALLWD;
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}
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break;
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case TLVID_user_message_reference:
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msg_ref = t->value.val16;
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break;
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default:
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break;
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}
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}
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if (!sms_msg) {
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if (submit->sm_length > 0 && submit->sm_length < 255) {
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sms_msg = submit->short_message;
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sms_msg_len = submit->sm_length;
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} else {
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LOGP(DLSMS, LOGL_ERROR,
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"SMPP neither message payload nor valid sm_length.\n");
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vlr_subscr_put(dest);
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return ESME_RINVPARLEN;
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}
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}
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sms = sms_alloc();
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sms->source = SMS_SOURCE_SMPP;
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sms->smpp.sequence_nr = submit->sequence_number;
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sms->status_rep_req = submit->registered_delivery;
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sms->msg_ref = msg_ref;
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/* fill in the destination address */
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sms->receiver = dest;
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sms->dst.ton = submit->dest_addr_ton;
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sms->dst.npi = submit->dest_addr_npi;
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osmo_strlcpy(sms->dst.addr, dest->msisdn, sizeof(sms->dst.addr));
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/* fill in the source address */
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sms->src.ton = submit->source_addr_ton;
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sms->src.npi = submit->source_addr_npi;
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osmo_strlcpy(sms->src.addr, (char *)submit->source_addr,
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sizeof(sms->src.addr));
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if (submit->esm_class == SMPP34_DELIVERY_ACK)
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sms->is_report = true;
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if (submit->esm_class & SMPP34_UDHI_IND)
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sms->ud_hdr_ind = 1;
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if (submit->esm_class & SMPP34_REPLY_PATH) {
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sms->reply_path_req = 1;
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#warning Implement reply path
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}
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if (submit->data_coding == 0x00 || /* SMSC default */
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submit->data_coding == 0x01) { /* GSM default alphabet */
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sms->data_coding_scheme = GSM338_DCS_1111_7BIT;
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mode = MODE_7BIT;
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} else if ((submit->data_coding & 0xFC) == 0xF0) { /* 03.38 DCS default */
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/* pass DCS 1:1 through from SMPP to GSM */
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sms->data_coding_scheme = submit->data_coding;
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mode = MODE_7BIT;
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} else if (submit->data_coding == 0x02 ||
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submit->data_coding == 0x04) {
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/* 8-bit binary */
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sms->data_coding_scheme = GSM338_DCS_1111_8BIT_DATA;
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mode = MODE_8BIT;
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} else if ((submit->data_coding & 0xFC) == 0xF4) { /* 03.38 DCS 8bit */
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/* pass DCS 1:1 through from SMPP to GSM */
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sms->data_coding_scheme = submit->data_coding;
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mode = MODE_8BIT;
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} else if (submit->data_coding == 0x08) {
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/* UCS-2 */
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sms->data_coding_scheme = (2 << 2);
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mode = MODE_8BIT;
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} else {
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sms_free(sms);
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LOGP(DLSMS, LOGL_ERROR, "SMPP Unknown Data Coding 0x%02x\n",
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submit->data_coding);
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return ESME_RUNKNOWNERR;
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}
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if (mode == MODE_7BIT) {
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uint8_t ud_len = 0, padbits = 0;
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sms->data_coding_scheme = GSM338_DCS_1111_7BIT;
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if (sms->ud_hdr_ind) {
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ud_len = *sms_msg + 1;
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printf("copying %u bytes user data...\n", ud_len);
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memcpy(sms->user_data, sms_msg,
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OSMO_MIN(ud_len, sizeof(sms->user_data)));
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sms_msg += ud_len;
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sms_msg_len -= ud_len;
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padbits = 7 - (ud_len % 7);
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}
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gsm_septets2octets(sms->user_data+ud_len, sms_msg,
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sms_msg_len, padbits);
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sms->user_data_len = (ud_len*8 + padbits)/7 + sms_msg_len;/* SEPTETS */
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/* FIXME: sms->text */
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} else {
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memcpy(sms->user_data, sms_msg, sms_msg_len);
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sms->user_data_len = sms_msg_len;
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}
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*psms = sms;
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return ESME_ROK;
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}
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/*! \brief handle incoming libsmpp34 ssubmit_sm_t from remote ESME */
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int handle_smpp_submit(struct osmo_esme *esme, struct submit_sm_t *submit,
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struct submit_sm_resp_t *submit_r)
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{
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struct gsm_sms *sms;
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struct gsm_network *net = esme->smsc->priv;
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struct sms_signal_data sig;
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int rc = -1;
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rc = submit_to_sms(&sms, net, submit);
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if (rc != ESME_ROK) {
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submit_r->command_status = rc;
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return 0;
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}
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smpp_esme_get(esme);
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sms->smpp.esme = esme;
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sms->protocol_id = submit->protocol_id;
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switch (submit->esm_class & SMPP34_MSG_MODE_MASK) {
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case 0: /* default */
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case 1: /* datagram */
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case 3: /* store-and-forward */
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rc = db_sms_store(sms);
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sms_free(sms);
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sms = NULL;
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if (rc < 0) {
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LOGP(DLSMS, LOGL_ERROR, "SMPP SUBMIT-SM: Unable to "
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"store SMS in database\n");
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submit_r->command_status = ESME_RSYSERR;
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return 0;
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}
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strcpy((char *)submit_r->message_id, "msg_id_not_implemented");
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LOGP(DLSMS, LOGL_INFO, "SMPP SUBMIT-SM: Stored in DB\n");
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memset(&sig, 0, sizeof(sig));
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osmo_signal_dispatch(SS_SMS, S_SMS_SUBMITTED, &sig);
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rc = 0;
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break;
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case 2: /* forward (i.e. transaction) mode */
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LOGP(DLSMS, LOGL_DEBUG, "SMPP SUBMIT-SM: Forwarding in "
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"real time (Transaction/Forward mode)\n");
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sms->smpp.transaction_mode = 1;
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gsm411_send_sms_subscr(sms->receiver, sms);
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rc = 1; /* don't send any response yet */
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break;
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}
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return rc;
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}
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static void alert_all_esme(struct smsc *smsc, struct vlr_subscr *vsub,
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uint8_t smpp_avail_status)
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{
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struct osmo_esme *esme;
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llist_for_each_entry(esme, &smsc->esme_list, list) {
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/* we currently send an alert notification to each ESME that is
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* connected, and do not require a (non-existant) delivery
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* pending flag to be set before, FIXME: make this VTY
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* configurable */
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if (esme->acl && esme->acl->deliver_src_imsi) {
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smpp_tx_alert(esme, TON_Subscriber_Number,
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NPI_Land_Mobile_E212,
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vsub->imsi, smpp_avail_status);
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} else {
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smpp_tx_alert(esme, TON_Network_Specific,
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NPI_ISDN_E163_E164,
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vsub->msisdn, smpp_avail_status);
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}
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}
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}
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/*! \brief signal handler for status of attempted SMS deliveries */
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static int smpp_sms_cb(unsigned int subsys, unsigned int signal,
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void *handler_data, void *signal_data)
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{
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struct sms_signal_data *sig_sms = signal_data;
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struct gsm_sms *sms = sig_sms->sms;
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struct smsc *smsc = handler_data;
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int rc = 0;
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if (!sms)
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return 0;
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if (sms->source != SMS_SOURCE_SMPP)
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return 0;
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switch (signal) {
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case S_SMS_MEM_EXCEEDED:
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/* fall-through: There is no ESME_Rxxx result code to
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* indicate a MEMORY EXCEEDED in transaction mode back
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* to the ESME */
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case S_SMS_UNKNOWN_ERROR:
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if (sms->smpp.transaction_mode) {
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/* Send back the SUBMIT-SM response with apropriate error */
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LOGP(DLSMS, LOGL_INFO, "SMPP SUBMIT-SM: Error\n");
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rc = smpp_tx_submit_r(sms->smpp.esme,
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sms->smpp.sequence_nr,
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ESME_RDELIVERYFAILURE,
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sms->smpp.msg_id);
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}
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break;
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case S_SMS_DELIVERED:
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/* SMS layer tells us the delivery has been completed */
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if (sms->smpp.transaction_mode) {
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/* Send back the SUBMIT-SM response */
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LOGP(DLSMS, LOGL_INFO, "SMPP SUBMIT-SM: Success\n");
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rc = smpp_tx_submit_r(sms->smpp.esme,
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sms->smpp.sequence_nr,
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ESME_ROK, sms->smpp.msg_id);
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}
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break;
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case S_SMS_SMMA:
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if (!sig_sms->trans || !sig_sms->trans->vsub) {
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/* SMMA without a subscriber? strange... */
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LOGP(DLSMS, LOGL_NOTICE, "SMMA without subscriber?\n");
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break;
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}
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/* There's no real 1:1 match for SMMA in SMPP. However,
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* an ALERT NOTIFICATION seems to be the most logical
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* choice */
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alert_all_esme(smsc, sig_sms->trans->vsub, 0);
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break;
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}
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return rc;
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}
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/*! \brief signal handler for subscriber related signals */
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static int smpp_subscr_cb(unsigned int subsys, unsigned int signal,
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void *handler_data, void *signal_data)
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{
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struct vlr_subscr *vsub = signal_data;
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struct smsc *smsc = handler_data;
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uint8_t smpp_avail_status;
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/* determine the smpp_avail_status depending on attach/detach */
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switch (signal) {
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case S_SUBSCR_ATTACHED:
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smpp_avail_status = 0;
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break;
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case S_SUBSCR_DETACHED:
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smpp_avail_status = 2;
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break;
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default:
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return 0;
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}
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alert_all_esme(smsc, vsub, smpp_avail_status);
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return 0;
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}
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/* GSM 03.38 6.2.1 Character expanding (no decode!) */
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static int gsm_7bit_expand(char *text, const uint8_t *user_data, uint8_t septet_l, uint8_t ud_hdr_ind)
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{
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int i = 0;
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int shift = 0;
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uint8_t c;
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/* skip the user data header */
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if (ud_hdr_ind) {
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/* get user data header length + 1 (for the 'user data header length'-field) */
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shift = ((user_data[0] + 1) * 8) / 7;
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if ((((user_data[0] + 1) * 8) % 7) != 0)
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shift++;
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septet_l = septet_l - shift;
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}
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for (i = 0; i < septet_l; i++) {
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c =
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((user_data[((i + shift) * 7 + 7) >> 3] <<
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(7 - (((i + shift) * 7 + 7) & 7))) |
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(user_data[((i + shift) * 7) >> 3] >>
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(((i + shift) * 7) & 7))) & 0x7f;
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*(text++) = c;
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}
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*text = '\0';
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return i;
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}
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/* FIXME: libsmpp34 helpers, they should be part of libsmpp34! */
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void append_tlv(tlv_t **req_tlv, uint16_t tag,
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const uint8_t *data, uint16_t len)
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{
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tlv_t tlv;
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memset(&tlv, 0, sizeof(tlv));
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tlv.tag = tag;
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tlv.length = len;
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memcpy(tlv.value.octet, data, tlv.length);
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build_tlv(req_tlv, &tlv);
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}
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void append_tlv_u8(tlv_t **req_tlv, uint16_t tag, uint8_t val)
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{
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tlv_t tlv;
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memset(&tlv, 0, sizeof(tlv));
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tlv.tag = tag;
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tlv.length = 1;
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tlv.value.val08 = val;
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build_tlv(req_tlv, &tlv);
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}
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void append_tlv_u16(tlv_t **req_tlv, uint16_t tag, uint16_t val)
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{
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tlv_t tlv;
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memset(&tlv, 0, sizeof(tlv));
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tlv.tag = tag;
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tlv.length = 2;
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tlv.value.val16 = val;
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build_tlv(req_tlv, &tlv);
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}
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#if BEFORE_MSCSPLIT
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/* We currently have no lchan information. Re-add after A-interface, see OS#2390. */
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/* Append the Osmocom vendor-specific additional TLVs to a SMPP msg */
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static void append_osmo_tlvs(tlv_t **req_tlv, const struct gsm_lchan *lchan)
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{
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int idx = calc_initial_idx(ARRAY_SIZE(lchan->meas_rep),
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lchan->meas_rep_idx, 1);
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const struct gsm_meas_rep *mr = &lchan->meas_rep[idx];
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const struct gsm_meas_rep_unidir *ul_meas = &mr->ul;
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const struct gsm_meas_rep_unidir *dl_meas = &mr->dl;
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/* Osmocom vendor-specific SMPP34 extensions */
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append_tlv_u16(req_tlv, TLVID_osmo_arfcn, lchan->ts->trx->arfcn);
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if (mr->flags & MEAS_REP_F_MS_L1) {
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uint8_t ms_dbm;
|
|
append_tlv_u8(req_tlv, TLVID_osmo_ta, mr->ms_l1.ta);
|
|
ms_dbm = ms_pwr_dbm(lchan->ts->trx->bts->band, mr->ms_l1.pwr);
|
|
append_tlv_u8(req_tlv, TLVID_osmo_ms_l1_txpwr, ms_dbm);
|
|
} else if (mr->flags & MEAS_REP_F_MS_TO) /* Save Timing Offset field = MS Timing Offset + 63 */
|
|
append_tlv_u8(req_tlv, TLVID_osmo_ta, mr->ms_timing_offset + 63);
|
|
|
|
append_tlv_u16(req_tlv, TLVID_osmo_rxlev_ul,
|
|
rxlev2dbm(ul_meas->full.rx_lev));
|
|
append_tlv_u8(req_tlv, TLVID_osmo_rxqual_ul, ul_meas->full.rx_qual);
|
|
|
|
if (mr->flags & MEAS_REP_F_DL_VALID) {
|
|
append_tlv_u16(req_tlv, TLVID_osmo_rxlev_dl,
|
|
rxlev2dbm(dl_meas->full.rx_lev));
|
|
append_tlv_u8(req_tlv, TLVID_osmo_rxqual_dl,
|
|
dl_meas->full.rx_qual);
|
|
}
|
|
|
|
if (lchan->conn && lchan->conn->vsub) {
|
|
struct vlr_subscr *vsub = lchan->conn->vsub;
|
|
size_t imei_len = strlen(vsub->imei);
|
|
if (imei_len)
|
|
append_tlv(req_tlv, TLVID_osmo_imei,
|
|
(uint8_t *)vsub->imei, imei_len+1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
struct {
|
|
uint32_t smpp_status_code;
|
|
uint8_t gsm411_cause;
|
|
} smpp_to_gsm411_err_array[] = {
|
|
|
|
/* Seems like most phones don't care about the failure cause,
|
|
* although some will display a different notification for
|
|
* GSM411_RP_CAUSE_MO_NUM_UNASSIGNED
|
|
* Some provoke a display of "Try again later"
|
|
* while others a more definitive "Message sending failed"
|
|
*/
|
|
|
|
{ ESME_RSYSERR, GSM411_RP_CAUSE_MO_DEST_OUT_OF_ORDER },
|
|
{ ESME_RINVDSTADR, GSM411_RP_CAUSE_MO_NUM_UNASSIGNED },
|
|
{ ESME_RMSGQFUL, GSM411_RP_CAUSE_MO_CONGESTION },
|
|
{ ESME_RINVSRCADR, GSM411_RP_CAUSE_MO_SMS_REJECTED },
|
|
{ ESME_RINVMSGID, GSM411_RP_CAUSE_INV_TRANS_REF }
|
|
};
|
|
|
|
static int smpp_to_gsm411_err(uint32_t smpp_status_code, int *gsm411_cause)
|
|
{
|
|
int i;
|
|
for (i = 0; i < ARRAY_SIZE(smpp_to_gsm411_err_array); i++) {
|
|
if (smpp_to_gsm411_err_array[i].smpp_status_code != smpp_status_code)
|
|
continue;
|
|
*gsm411_cause = smpp_to_gsm411_err_array[i].gsm411_cause;
|
|
return 0;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static void smpp_cmd_free(struct osmo_smpp_cmd *cmd)
|
|
{
|
|
osmo_timer_del(&cmd->response_timer);
|
|
llist_del(&cmd->list);
|
|
vlr_subscr_put(cmd->vsub);
|
|
talloc_free(cmd);
|
|
}
|
|
|
|
void smpp_cmd_flush_pending(struct osmo_esme *esme)
|
|
{
|
|
struct osmo_smpp_cmd *cmd, *next;
|
|
|
|
llist_for_each_entry_safe(cmd, next, &esme->smpp_cmd_list, list)
|
|
smpp_cmd_free(cmd);
|
|
}
|
|
|
|
void smpp_cmd_ack(struct osmo_smpp_cmd *cmd)
|
|
{
|
|
struct gsm_subscriber_connection *conn;
|
|
struct gsm_trans *trans;
|
|
|
|
if (cmd->is_report)
|
|
goto out;
|
|
|
|
conn = connection_for_subscr(cmd->vsub);
|
|
if (!conn) {
|
|
LOGP(DSMPP, LOGL_ERROR, "No connection to subscriber anymore\n");
|
|
goto out;
|
|
}
|
|
|
|
trans = trans_find_by_id(conn, GSM48_PDISC_SMS, cmd->gsm411_trans_id);
|
|
if (!trans) {
|
|
LOGP(DSMPP, LOGL_ERROR, "GSM transaction %u is gone\n",
|
|
cmd->gsm411_trans_id);
|
|
goto out;
|
|
}
|
|
|
|
gsm411_send_rp_ack(trans, cmd->gsm411_msg_ref);
|
|
out:
|
|
smpp_cmd_free(cmd);
|
|
}
|
|
|
|
void smpp_cmd_err(struct osmo_smpp_cmd *cmd, uint32_t status)
|
|
{
|
|
struct gsm_subscriber_connection *conn;
|
|
struct gsm_trans *trans;
|
|
int gsm411_cause;
|
|
|
|
if (cmd->is_report)
|
|
goto out;
|
|
|
|
conn = connection_for_subscr(cmd->vsub);
|
|
if (!conn) {
|
|
LOGP(DSMPP, LOGL_ERROR, "No connection to subscriber anymore\n");
|
|
goto out;
|
|
}
|
|
|
|
trans = trans_find_by_id(conn, GSM48_PDISC_SMS, cmd->gsm411_trans_id);
|
|
if (!trans) {
|
|
LOGP(DSMPP, LOGL_ERROR, "GSM transaction %u is gone\n",
|
|
cmd->gsm411_trans_id);
|
|
goto out;
|
|
}
|
|
|
|
if (smpp_to_gsm411_err(status, &gsm411_cause) < 0)
|
|
gsm411_cause = GSM411_RP_CAUSE_MO_NET_OUT_OF_ORDER;
|
|
|
|
gsm411_send_rp_error(trans, cmd->gsm411_msg_ref, gsm411_cause);
|
|
out:
|
|
smpp_cmd_free(cmd);
|
|
}
|
|
|
|
static void smpp_deliver_sm_cb(void *data)
|
|
{
|
|
smpp_cmd_err(data, ESME_RSYSERR);
|
|
}
|
|
|
|
static int smpp_cmd_enqueue(struct osmo_esme *esme,
|
|
struct vlr_subscr *vsub, struct gsm_sms *sms,
|
|
uint32_t sequence_number)
|
|
{
|
|
struct osmo_smpp_cmd *cmd;
|
|
|
|
cmd = talloc_zero(esme, struct osmo_smpp_cmd);
|
|
if (!cmd)
|
|
return -1;
|
|
|
|
cmd->sequence_nr = sequence_number;
|
|
cmd->is_report = sms->is_report;
|
|
cmd->gsm411_msg_ref = sms->gsm411.msg_ref;
|
|
cmd->gsm411_trans_id = sms->gsm411.transaction_id;
|
|
cmd->vsub = vlr_subscr_get(vsub);
|
|
|
|
/* FIXME: No predefined value for this response_timer as specified by
|
|
* SMPP 3.4 specs, section 7.2. Make this configurable? Don't forget
|
|
* lchan keeps busy until we get a reply to this SMPP command. Too high
|
|
* value may exhaust resources.
|
|
*/
|
|
osmo_timer_setup(&cmd->response_timer, smpp_deliver_sm_cb, cmd);
|
|
osmo_timer_schedule(&cmd->response_timer, 5, 0);
|
|
llist_add_tail(&cmd->list, &esme->smpp_cmd_list);
|
|
|
|
return 0;
|
|
}
|
|
|
|
struct osmo_smpp_cmd *smpp_cmd_find_by_seqnum(struct osmo_esme *esme,
|
|
uint32_t sequence_nr)
|
|
{
|
|
struct osmo_smpp_cmd *cmd;
|
|
|
|
llist_for_each_entry(cmd, &esme->smpp_cmd_list, list) {
|
|
if (cmd->sequence_nr == sequence_nr)
|
|
return cmd;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static int deliver_to_esme(struct osmo_esme *esme, struct gsm_sms *sms,
|
|
struct gsm_subscriber_connection *conn)
|
|
{
|
|
struct deliver_sm_t deliver;
|
|
int mode, ret;
|
|
uint8_t dcs;
|
|
|
|
memset(&deliver, 0, sizeof(deliver));
|
|
deliver.command_length = 0;
|
|
deliver.command_id = DELIVER_SM;
|
|
deliver.command_status = ESME_ROK;
|
|
|
|
strcpy((char *)deliver.service_type, "CMT");
|
|
if (esme->acl && esme->acl->deliver_src_imsi) {
|
|
deliver.source_addr_ton = TON_Subscriber_Number;
|
|
deliver.source_addr_npi = NPI_Land_Mobile_E212;
|
|
snprintf((char *)deliver.source_addr,
|
|
sizeof(deliver.source_addr), "%s",
|
|
conn->vsub->imsi);
|
|
} else {
|
|
deliver.source_addr_ton = TON_Network_Specific;
|
|
deliver.source_addr_npi = NPI_ISDN_E163_E164;
|
|
snprintf((char *)deliver.source_addr,
|
|
sizeof(deliver.source_addr), "%s",
|
|
conn->vsub->msisdn);
|
|
}
|
|
|
|
deliver.dest_addr_ton = sms->dst.ton;
|
|
deliver.dest_addr_npi = sms->dst.npi;
|
|
memcpy(deliver.destination_addr, sms->dst.addr,
|
|
sizeof(deliver.destination_addr));
|
|
|
|
if (sms->is_report)
|
|
deliver.esm_class = SMPP34_DELIVERY_RECEIPT;
|
|
else
|
|
deliver.esm_class = SMPP34_DATAGRAM_MODE;
|
|
|
|
if (sms->ud_hdr_ind)
|
|
deliver.esm_class |= SMPP34_UDHI_IND;
|
|
if (sms->reply_path_req)
|
|
deliver.esm_class |= SMPP34_REPLY_PATH;
|
|
|
|
deliver.protocol_id = sms->protocol_id;
|
|
deliver.priority_flag = 0;
|
|
if (sms->status_rep_req)
|
|
deliver.registered_delivery = SMPP34_DELIVERY_RECEIPT_ON;
|
|
|
|
/* Figure out SMPP DCS from TP-DCS */
|
|
dcs = sms->data_coding_scheme;
|
|
if (smpp_determine_scheme(dcs, &deliver.data_coding, &mode) == -1)
|
|
return -1;
|
|
|
|
/* Transparently pass on DCS via SMPP if requested */
|
|
if (esme->acl && esme->acl->dcs_transparent)
|
|
deliver.data_coding = dcs;
|
|
|
|
if (mode == MODE_7BIT) {
|
|
uint8_t *dst = deliver.short_message;
|
|
|
|
/* SMPP has this strange notion of putting 7bit SMS in
|
|
* an octet-aligned mode */
|
|
if (sms->ud_hdr_ind) {
|
|
/* length (bytes) of UDH inside UD */
|
|
uint8_t udh_len = sms->user_data[0] + 1;
|
|
|
|
/* copy over the UDH */
|
|
memcpy(dst, sms->user_data, udh_len);
|
|
dst += udh_len;
|
|
deliver.sm_length = udh_len;
|
|
}
|
|
/* add decoded text */
|
|
deliver.sm_length += gsm_7bit_expand((char *)dst, sms->user_data, sms->user_data_len, sms->ud_hdr_ind);
|
|
} else {
|
|
deliver.sm_length = sms->user_data_len;
|
|
memcpy(deliver.short_message, sms->user_data, deliver.sm_length);
|
|
}
|
|
|
|
#if BEFORE_MSCSPLIT
|
|
/* We currently have no lchan information. Re-add after A-interface, see OS#2390. */
|
|
if (esme->acl && esme->acl->osmocom_ext && conn->lchan)
|
|
append_osmo_tlvs(&deliver.tlv, conn->lchan);
|
|
#endif
|
|
|
|
append_tlv_u16(&deliver.tlv, TLVID_user_message_reference,
|
|
sms->msg_ref);
|
|
|
|
ret = smpp_tx_deliver(esme, &deliver);
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
return smpp_cmd_enqueue(esme, conn->vsub, sms,
|
|
deliver.sequence_number);
|
|
}
|
|
|
|
static struct smsc *g_smsc;
|
|
|
|
int smpp_route_smpp_first(struct gsm_sms *sms, struct gsm_subscriber_connection *conn)
|
|
{
|
|
return g_smsc->smpp_first;
|
|
}
|
|
|
|
int smpp_try_deliver(struct gsm_sms *sms,
|
|
struct gsm_subscriber_connection *conn)
|
|
{
|
|
struct osmo_esme *esme;
|
|
struct osmo_smpp_addr dst;
|
|
int rc;
|
|
|
|
memset(&dst, 0, sizeof(dst));
|
|
dst.ton = sms->dst.ton;
|
|
dst.npi = sms->dst.npi;
|
|
memcpy(dst.addr, sms->dst.addr, sizeof(dst.addr));
|
|
|
|
rc = smpp_route(g_smsc, &dst, &esme);
|
|
if (!rc)
|
|
rc = deliver_to_esme(esme, sms, conn);
|
|
|
|
return rc;
|
|
}
|
|
|
|
struct smsc *smsc_from_vty(struct vty *v)
|
|
{
|
|
/* FIXME: this is ugly */
|
|
return g_smsc;
|
|
}
|
|
|
|
/*! \brief Allocate the OpenBSC SMPP interface struct and init VTY. */
|
|
int smpp_openbsc_alloc_init(void *ctx)
|
|
{
|
|
g_smsc = smpp_smsc_alloc_init(ctx);
|
|
if (!g_smsc) {
|
|
LOGP(DSMPP, LOGL_FATAL, "Cannot allocate smsc struct\n");
|
|
return -1;
|
|
}
|
|
return smpp_vty_init();
|
|
}
|
|
|
|
/*! \brief Launch the OpenBSC SMPP interface with the parameters set from VTY.
|
|
*/
|
|
int smpp_openbsc_start(struct gsm_network *net)
|
|
{
|
|
int rc;
|
|
g_smsc->priv = net;
|
|
|
|
/* If a VTY configuration has taken place, the values have been stored
|
|
* in the smsc struct. Otherwise, use the defaults (NULL -> any, 0 ->
|
|
* default SMPP port, see smpp_smsc_bind()). */
|
|
rc = smpp_smsc_start(g_smsc, g_smsc->bind_addr, g_smsc->listen_port);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
rc = osmo_signal_register_handler(SS_SMS, smpp_sms_cb, g_smsc);
|
|
if (rc < 0)
|
|
return rc;
|
|
rc = osmo_signal_register_handler(SS_SUBSCR, smpp_subscr_cb, g_smsc);
|
|
if (rc < 0)
|
|
return rc;
|
|
|
|
return 0;
|
|
}
|
|
|