aboutsummaryrefslogtreecommitdiffstats
path: root/src/libmsc/smpp_openbsc.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/libmsc/smpp_openbsc.c')
-rw-r--r--src/libmsc/smpp_openbsc.c794
1 files changed, 0 insertions, 794 deletions
diff --git a/src/libmsc/smpp_openbsc.c b/src/libmsc/smpp_openbsc.c
deleted file mode 100644
index 431cb4dfd..000000000
--- a/src/libmsc/smpp_openbsc.c
+++ /dev/null
@@ -1,794 +0,0 @@
-/* OpenBSC SMPP 3.4 interface, SMSC-side implementation */
-
-/* (C) 2012-2013 by Harald Welte <laforge@gnumonks.org>
- *
- * All Rights Reserved
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdint.h>
-#include <errno.h>
-
-#include <smpp34.h>
-#include <smpp34_structs.h>
-#include <smpp34_params.h>
-
-#include <osmocom/core/utils.h>
-#include <osmocom/core/msgb.h>
-#include <osmocom/core/logging.h>
-#include <osmocom/core/talloc.h>
-#include <osmocom/gsm/protocol/gsm_04_11.h>
-#include <osmocom/gsm/protocol/smpp34_osmocom.h>
-
-#include <openbsc/gsm_subscriber.h>
-#include <openbsc/debug.h>
-#include <openbsc/db.h>
-#include <openbsc/gsm_04_11.h>
-#include <openbsc/gsm_data.h>
-#include <openbsc/signal.h>
-#include <openbsc/transaction.h>
-#include <openbsc/gsm_subscriber.h>
-#include <openbsc/chan_alloc.h>
-#include <openbsc/vlr.h>
-
-#include "smpp_smsc.h"
-
-/*! \brief find vlr_subscr for a given SMPP NPI/TON/Address */
-static struct vlr_subscr *subscr_by_dst(struct gsm_network *net,
- uint8_t npi, uint8_t ton,
- const char *addr)
-{
- struct vlr_subscr *vsub = NULL;
-
- switch (npi) {
- case NPI_Land_Mobile_E212:
- vsub = vlr_subscr_find_by_imsi(net->vlr, addr);
- break;
- case NPI_ISDN_E163_E164:
- case NPI_Private:
- vsub = vlr_subscr_find_by_msisdn(net->vlr, addr);
- break;
- default:
- LOGP(DSMPP, LOGL_NOTICE, "Unsupported NPI: %u\n", npi);
- break;
- }
-
- log_set_context(LOG_CTX_VLR_SUBSCR, vsub);
- return vsub;
-}
-
-static int smpp34_submit_tlv_msg_payload(const struct tlv_t *t,
- const struct submit_sm_t *submit,
- const uint8_t **sms_msg,
- unsigned int *sms_msg_len)
-{
- if (submit->sm_length) {
- LOGP(DLSMS, LOGL_ERROR,
- "SMPP cannot have payload in TLV _and_ in the header\n");
- return -1;
- }
- *sms_msg = t->value.octet;
- *sms_msg_len = t->length;
-
- return 0;
-}
-
-/*! \brief convert from submit_sm_t to gsm_sms */
-static int submit_to_sms(struct gsm_sms **psms, struct gsm_network *net,
- const struct submit_sm_t *submit)
-{
- const uint8_t *sms_msg = NULL;
- unsigned int sms_msg_len = 0;
- struct vlr_subscr *dest;
- uint16_t msg_ref = 0;
- struct gsm_sms *sms;
- struct tlv_t *t;
- int mode;
-
- dest = subscr_by_dst(net, submit->dest_addr_npi,
- submit->dest_addr_ton,
- (const char *)submit->destination_addr);
- if (!dest) {
- LOGP(DLSMS, LOGL_NOTICE, "SMPP SUBMIT-SM for unknown subscriber: "
- "%s (NPI=%u)\n", submit->destination_addr,
- submit->dest_addr_npi);
- return ESME_RINVDSTADR;
- }
-
- smpp34_tlv_for_each(t, submit->tlv) {
- switch (t->tag) {
- case TLVID_message_payload:
- if (smpp34_submit_tlv_msg_payload(t, submit, &sms_msg,
- &sms_msg_len) < 0) {
- vlr_subscr_put(dest);
- return ESME_ROPTPARNOTALLWD;
- }
- break;
- case TLVID_user_message_reference:
- msg_ref = t->value.val16;
- break;
- default:
- break;
- }
- }
-
- if (!sms_msg) {
- if (submit->sm_length > 0 && submit->sm_length < 255) {
- sms_msg = submit->short_message;
- sms_msg_len = submit->sm_length;
- } else {
- LOGP(DLSMS, LOGL_ERROR,
- "SMPP neither message payload nor valid sm_length.\n");
- vlr_subscr_put(dest);
- return ESME_RINVPARLEN;
- }
- }
-
- sms = sms_alloc();
- sms->source = SMS_SOURCE_SMPP;
- sms->smpp.sequence_nr = submit->sequence_number;
- sms->status_rep_req = submit->registered_delivery;
- sms->msg_ref = msg_ref;
-
- /* fill in the destination address */
- sms->receiver = dest;
- sms->dst.ton = submit->dest_addr_ton;
- sms->dst.npi = submit->dest_addr_npi;
- osmo_strlcpy(sms->dst.addr, dest->msisdn, sizeof(sms->dst.addr));
-
- /* fill in the source address */
- sms->src.ton = submit->source_addr_ton;
- sms->src.npi = submit->source_addr_npi;
- osmo_strlcpy(sms->src.addr, (char *)submit->source_addr,
- sizeof(sms->src.addr));
-
- if (submit->esm_class == SMPP34_DELIVERY_ACK)
- sms->is_report = true;
-
- if (submit->esm_class & SMPP34_UDHI_IND)
- sms->ud_hdr_ind = 1;
-
- if (submit->esm_class & SMPP34_REPLY_PATH) {
- sms->reply_path_req = 1;
-#warning Implement reply path
- }
-
- if (submit->data_coding == 0x00 || /* SMSC default */
- submit->data_coding == 0x01) { /* GSM default alphabet */
- sms->data_coding_scheme = GSM338_DCS_1111_7BIT;
- mode = MODE_7BIT;
- } else if ((submit->data_coding & 0xFC) == 0xF0) { /* 03.38 DCS default */
- /* pass DCS 1:1 through from SMPP to GSM */
- sms->data_coding_scheme = submit->data_coding;
- mode = MODE_7BIT;
- } else if (submit->data_coding == 0x02 ||
- submit->data_coding == 0x04) {
- /* 8-bit binary */
- sms->data_coding_scheme = GSM338_DCS_1111_8BIT_DATA;
- mode = MODE_8BIT;
- } else if ((submit->data_coding & 0xFC) == 0xF4) { /* 03.38 DCS 8bit */
- /* pass DCS 1:1 through from SMPP to GSM */
- sms->data_coding_scheme = submit->data_coding;
- mode = MODE_8BIT;
- } else if (submit->data_coding == 0x08) {
- /* UCS-2 */
- sms->data_coding_scheme = (2 << 2);
- mode = MODE_8BIT;
- } else {
- sms_free(sms);
- LOGP(DLSMS, LOGL_ERROR, "SMPP Unknown Data Coding 0x%02x\n",
- submit->data_coding);
- return ESME_RUNKNOWNERR;
- }
-
- if (mode == MODE_7BIT) {
- uint8_t ud_len = 0, padbits = 0;
- sms->data_coding_scheme = GSM338_DCS_1111_7BIT;
- if (sms->ud_hdr_ind) {
- ud_len = *sms_msg + 1;
- printf("copying %u bytes user data...\n", ud_len);
- memcpy(sms->user_data, sms_msg,
- OSMO_MIN(ud_len, sizeof(sms->user_data)));
- sms_msg += ud_len;
- sms_msg_len -= ud_len;
- padbits = 7 - (ud_len % 7);
- }
- gsm_septets2octets(sms->user_data+ud_len, sms_msg,
- sms_msg_len, padbits);
- sms->user_data_len = (ud_len*8 + padbits)/7 + sms_msg_len;/* SEPTETS */
- /* FIXME: sms->text */
- } else {
- memcpy(sms->user_data, sms_msg, sms_msg_len);
- sms->user_data_len = sms_msg_len;
- }
-
- *psms = sms;
- return ESME_ROK;
-}
-
-/*! \brief handle incoming libsmpp34 ssubmit_sm_t from remote ESME */
-int handle_smpp_submit(struct osmo_esme *esme, struct submit_sm_t *submit,
- struct submit_sm_resp_t *submit_r)
-{
- struct gsm_sms *sms;
- struct gsm_network *net = esme->smsc->priv;
- struct sms_signal_data sig;
- int rc = -1;
-
- rc = submit_to_sms(&sms, net, submit);
- if (rc != ESME_ROK) {
- submit_r->command_status = rc;
- return 0;
- }
- smpp_esme_get(esme);
- sms->smpp.esme = esme;
- sms->protocol_id = submit->protocol_id;
-
- switch (submit->esm_class & SMPP34_MSG_MODE_MASK) {
- case 0: /* default */
- case 1: /* datagram */
- case 3: /* store-and-forward */
- rc = db_sms_store(sms);
- sms_free(sms);
- sms = NULL;
- if (rc < 0) {
- LOGP(DLSMS, LOGL_ERROR, "SMPP SUBMIT-SM: Unable to "
- "store SMS in database\n");
- submit_r->command_status = ESME_RSYSERR;
- return 0;
- }
- strcpy((char *)submit_r->message_id, "msg_id_not_implemented");
- LOGP(DLSMS, LOGL_INFO, "SMPP SUBMIT-SM: Stored in DB\n");
-
- memset(&sig, 0, sizeof(sig));
- osmo_signal_dispatch(SS_SMS, S_SMS_SUBMITTED, &sig);
- rc = 0;
- break;
- case 2: /* forward (i.e. transaction) mode */
- LOGP(DLSMS, LOGL_DEBUG, "SMPP SUBMIT-SM: Forwarding in "
- "real time (Transaction/Forward mode)\n");
- sms->smpp.transaction_mode = 1;
- gsm411_send_sms_subscr(sms->receiver, sms);
- rc = 1; /* don't send any response yet */
- break;
- }
- return rc;
-}
-
-static void alert_all_esme(struct smsc *smsc, struct vlr_subscr *vsub,
- uint8_t smpp_avail_status)
-{
- struct osmo_esme *esme;
-
- llist_for_each_entry(esme, &smsc->esme_list, list) {
- /* we currently send an alert notification to each ESME that is
- * connected, and do not require a (non-existant) delivery
- * pending flag to be set before, FIXME: make this VTY
- * configurable */
- if (esme->acl && esme->acl->deliver_src_imsi) {
- smpp_tx_alert(esme, TON_Subscriber_Number,
- NPI_Land_Mobile_E212,
- vsub->imsi, smpp_avail_status);
- } else {
- smpp_tx_alert(esme, TON_Network_Specific,
- NPI_ISDN_E163_E164,
- vsub->msisdn, smpp_avail_status);
- }
- }
-}
-
-
-/*! \brief signal handler for status of attempted SMS deliveries */
-static int smpp_sms_cb(unsigned int subsys, unsigned int signal,
- void *handler_data, void *signal_data)
-{
- struct sms_signal_data *sig_sms = signal_data;
- struct gsm_sms *sms = sig_sms->sms;
- struct smsc *smsc = handler_data;
- int rc = 0;
-
- if (!sms)
- return 0;
-
- if (sms->source != SMS_SOURCE_SMPP)
- return 0;
-
- switch (signal) {
- case S_SMS_MEM_EXCEEDED:
- /* fall-through: There is no ESME_Rxxx result code to
- * indicate a MEMORY EXCEEDED in transaction mode back
- * to the ESME */
- case S_SMS_UNKNOWN_ERROR:
- if (sms->smpp.transaction_mode) {
- /* Send back the SUBMIT-SM response with apropriate error */
- LOGP(DLSMS, LOGL_INFO, "SMPP SUBMIT-SM: Error\n");
- rc = smpp_tx_submit_r(sms->smpp.esme,
- sms->smpp.sequence_nr,
- ESME_RDELIVERYFAILURE,
- sms->smpp.msg_id);
- }
- break;
- case S_SMS_DELIVERED:
- /* SMS layer tells us the delivery has been completed */
- if (sms->smpp.transaction_mode) {
- /* Send back the SUBMIT-SM response */
- LOGP(DLSMS, LOGL_INFO, "SMPP SUBMIT-SM: Success\n");
- rc = smpp_tx_submit_r(sms->smpp.esme,
- sms->smpp.sequence_nr,
- ESME_ROK, sms->smpp.msg_id);
- }
- break;
- case S_SMS_SMMA:
- if (!sig_sms->trans || !sig_sms->trans->vsub) {
- /* SMMA without a subscriber? strange... */
- LOGP(DLSMS, LOGL_NOTICE, "SMMA without subscriber?\n");
- break;
- }
-
- /* There's no real 1:1 match for SMMA in SMPP. However,
- * an ALERT NOTIFICATION seems to be the most logical
- * choice */
- alert_all_esme(smsc, sig_sms->trans->vsub, 0);
- break;
- }
-
- return rc;
-}
-
-/*! \brief signal handler for subscriber related signals */
-static int smpp_subscr_cb(unsigned int subsys, unsigned int signal,
- void *handler_data, void *signal_data)
-{
- struct vlr_subscr *vsub = signal_data;
- struct smsc *smsc = handler_data;
- uint8_t smpp_avail_status;
-
- /* determine the smpp_avail_status depending on attach/detach */
- switch (signal) {
- case S_SUBSCR_ATTACHED:
- smpp_avail_status = 0;
- break;
- case S_SUBSCR_DETACHED:
- smpp_avail_status = 2;
- break;
- default:
- return 0;
- }
-
- alert_all_esme(smsc, vsub, smpp_avail_status);
-
- return 0;
-}
-
-/* GSM 03.38 6.2.1 Character expanding (no decode!) */
-static int gsm_7bit_expand(char *text, const uint8_t *user_data, uint8_t septet_l, uint8_t ud_hdr_ind)
-{
- int i = 0;
- int shift = 0;
- uint8_t c;
-
- /* skip the user data header */
- if (ud_hdr_ind) {
- /* get user data header length + 1 (for the 'user data header length'-field) */
- shift = ((user_data[0] + 1) * 8) / 7;
- if ((((user_data[0] + 1) * 8) % 7) != 0)
- shift++;
- septet_l = septet_l - shift;
- }
-
- for (i = 0; i < septet_l; i++) {
- c =
- ((user_data[((i + shift) * 7 + 7) >> 3] <<
- (7 - (((i + shift) * 7 + 7) & 7))) |
- (user_data[((i + shift) * 7) >> 3] >>
- (((i + shift) * 7) & 7))) & 0x7f;
-
- *(text++) = c;
- }
-
- *text = '\0';
-
- return i;
-}
-
-
-/* FIXME: libsmpp34 helpers, they should be part of libsmpp34! */
-void append_tlv(tlv_t **req_tlv, uint16_t tag,
- const uint8_t *data, uint16_t len)
-{
- tlv_t tlv;
-
- memset(&tlv, 0, sizeof(tlv));
- tlv.tag = tag;
- tlv.length = len;
- memcpy(tlv.value.octet, data, tlv.length);
- build_tlv(req_tlv, &tlv);
-}
-void append_tlv_u8(tlv_t **req_tlv, uint16_t tag, uint8_t val)
-{
- tlv_t tlv;
-
- memset(&tlv, 0, sizeof(tlv));
- tlv.tag = tag;
- tlv.length = 1;
- tlv.value.val08 = val;
- build_tlv(req_tlv, &tlv);
-}
-void append_tlv_u16(tlv_t **req_tlv, uint16_t tag, uint16_t val)
-{
- tlv_t tlv;
-
- memset(&tlv, 0, sizeof(tlv));
- tlv.tag = tag;
- tlv.length = 2;
- tlv.value.val16 = val;
- build_tlv(req_tlv, &tlv);
-}
-
-#if BEFORE_MSCSPLIT
-/* We currently have no lchan information. Re-add after A-interface, see OS#2390. */
-/* Append the Osmocom vendor-specific additional TLVs to a SMPP msg */
-static void append_osmo_tlvs(tlv_t **req_tlv, const struct gsm_lchan *lchan)
-{
- int idx = calc_initial_idx(ARRAY_SIZE(lchan->meas_rep),
- lchan->meas_rep_idx, 1);
- const struct gsm_meas_rep *mr = &lchan->meas_rep[idx];
- const struct gsm_meas_rep_unidir *ul_meas = &mr->ul;
- const struct gsm_meas_rep_unidir *dl_meas = &mr->dl;
-
- /* Osmocom vendor-specific SMPP34 extensions */
- append_tlv_u16(req_tlv, TLVID_osmo_arfcn, lchan->ts->trx->arfcn);
- if (mr->flags & MEAS_REP_F_MS_L1) {
- 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;
-}
-