SMPP: Implement support for MO SMS
Each ESME can have a number of prefix-matching routes, or it can
be a 'default route' to whcih all otherwise unknown SMS destinations
are routed.
diff --git a/openbsc/src/libmsc/gsm_04_11.c b/openbsc/src/libmsc/gsm_04_11.c
index 7ef92a8..5beae53 100644
--- a/openbsc/src/libmsc/gsm_04_11.c
+++ b/openbsc/src/libmsc/gsm_04_11.c
@@ -56,6 +56,11 @@
#include <openbsc/chan_alloc.h>
#include <openbsc/bsc_api.h>
+#ifdef BUILD_SMPP
+#include "smpp_smsc.h"
+extern int smpp_try_deliver(struct gsm_sms *sms);
+#endif
+
#define GSM411_ALLOC_SIZE 1024
#define GSM411_ALLOC_HEADROOM 128
@@ -377,13 +382,21 @@
LOGP(DLSMS, LOGL_ERROR, "Destination Address > 12 bytes ?!?\n");
rc = GSM411_RP_CAUSE_SEMANT_INC_MSG;
goto out;
+ } else if (da_len_bytes < 4) {
+ LOGP(DLSMS, LOGL_ERROR, "Destination Address < 4 bytes ?!?\n");
+ rc = GSM411_RP_CAUSE_SEMANT_INC_MSG;
+ goto out;
}
memset(address_lv, 0, sizeof(address_lv));
memcpy(address_lv, smsp, da_len_bytes);
/* mangle first byte to reflect length in bytes, not digits */
address_lv[0] = da_len_bytes - 1;
+
+ gsms->destination.ton = (address_lv[1] >> 4) & 7;
+ gsms->destination.npi = address_lv[1] & 0xF;
/* convert to real number */
- gsm48_decode_bcd_number(gsms->dest_addr, sizeof(gsms->dest_addr), address_lv, 1);
+ gsm48_decode_bcd_number(gsms->destination.addr,
+ sizeof(gsms->destination.addr), address_lv, 1);
smsp += da_len_bytes;
gsms->protocol_id = *smsp++;
@@ -449,8 +462,19 @@
/* determine gsms->receiver based on dialled number */
gsms->receiver = subscr_get_by_extension(conn->bts->network, gsms->dest_addr);
if (!gsms->receiver) {
+#ifdef BUILD_SMPP
+ rc = smpp_try_deliver(gsms);
+ if (rc == 1) {
+ rc = 1; /* cause 1: unknown subscriber */
+ osmo_counter_inc(conn->bts->network->stats.sms.no_receiver);
+ } else if (rc < 0) {
+ rc = 21; /* cause 21: short message transfer rejected */
+ /* FIXME: handle the error somehow? */
+ }
+#else
rc = 1; /* cause 1: unknown subscriber */
osmo_counter_inc(conn->bts->network->stats.sms.no_receiver);
+#endif
goto out;
}