add USSD handlers to enable/disable 2G access
Change-Id: Ib266bf6ebc7692362a443efbf9b4ae69aee671d6
diff --git a/doc/examples/osmo-hlr.cfg b/doc/examples/osmo-hlr.cfg
index 58166f7..dc683d9 100644
--- a/doc/examples/osmo-hlr.cfg
+++ b/doc/examples/osmo-hlr.cfg
@@ -25,5 +25,7 @@
ussd route prefix *#100# internal own-msisdn
ussd route prefix *#101# internal own-imsi
ussd route prefix *#102# internal get-ran
+ ussd route prefix *#200# internal gsm-off
+ ussd route prefix *#201# internal gsm-on
ussd route prefix *#300# internal umts-off
ussd route prefix *#301# internal umts-on
diff --git a/src/hlr_ussd.c b/src/hlr_ussd.c
index 7ef72a4..f356dc4 100644
--- a/src/hlr_ussd.c
+++ b/src/hlr_ussd.c
@@ -343,7 +343,7 @@
snprintf(response, sizeof(response),
"Now on %s. Available:%s%s."
- " (enable 3G: *#301# disable 3G: *#300#)", rat,
+ " (2G on: *#201# off: *#200# -- 3G on: *#301# off: *#300#)", rat,
subscr.rat_types[OSMO_RAT_GERAN_A]? " 2G" : "",
subscr.rat_types[OSMO_RAT_UTRAN_IU]? " 3G" : "");
@@ -361,6 +361,58 @@
return rc;
}
+static int handle_ussd_gsm_on(struct osmo_gsup_conn *conn, struct ss_session *ss,
+ const struct osmo_gsup_message *gsup,
+ const struct ss_request *req)
+{
+ struct hlr_subscriber subscr;
+ int rc;
+
+ rc = db_subscr_get_by_imsi(g_hlr->dbc, ss->imsi, &subscr);
+ switch (rc) {
+ case 0:
+ hlr_subscr_rat_flag(g_hlr, &subscr, OSMO_RAT_GERAN_A, true);
+ rc = ss_tx_ussd_7bit(ss, true, req->invoke_id,
+ "Enabled GERAN-A (2G)");
+ break;
+ case -ENOENT:
+ rc = ss_tx_error(ss, true, GSM0480_ERR_CODE_UNKNOWN_SUBSCRIBER);
+ break;
+ case -EIO:
+ default:
+ rc = ss_tx_error(ss, true, GSM0480_ERR_CODE_SYSTEM_FAILURE);
+ break;
+ }
+
+ return rc;
+}
+
+static int handle_ussd_gsm_off(struct osmo_gsup_conn *conn, struct ss_session *ss,
+ const struct osmo_gsup_message *gsup,
+ const struct ss_request *req)
+{
+ struct hlr_subscriber subscr;
+ int rc;
+
+ rc = db_subscr_get_by_imsi(g_hlr->dbc, ss->imsi, &subscr);
+ switch (rc) {
+ case 0:
+ hlr_subscr_rat_flag(g_hlr, &subscr, OSMO_RAT_GERAN_A, false);
+ rc = ss_tx_ussd_7bit(ss, true, req->invoke_id,
+ "Disabled GERAN-A (2G)");
+ break;
+ case -ENOENT:
+ rc = ss_tx_error(ss, true, GSM0480_ERR_CODE_UNKNOWN_SUBSCRIBER);
+ break;
+ case -EIO:
+ default:
+ rc = ss_tx_error(ss, true, GSM0480_ERR_CODE_SYSTEM_FAILURE);
+ break;
+ }
+
+ return rc;
+}
+
static int handle_ussd_umts_on(struct osmo_gsup_conn *conn, struct ss_session *ss,
const struct osmo_gsup_message *gsup,
const struct ss_request *req)
@@ -427,6 +479,14 @@
.handle_ussd = handle_ussd_get_ran,
},
{
+ .name = "gsm-on",
+ .handle_ussd = handle_ussd_gsm_on,
+ },
+ {
+ .name = "gsm-off",
+ .handle_ussd = handle_ussd_gsm_off,
+ },
+ {
.name = "umts-on",
.handle_ussd = handle_ussd_umts_on,
},
diff --git a/src/hlr_vty.c b/src/hlr_vty.c
index c373d3a..21dd2d9 100644
--- a/src/hlr_vty.c
+++ b/src/hlr_vty.c
@@ -133,7 +133,7 @@
#define UROUTE_STR "Routing Configuration\n"
#define PREFIX_STR "Prefix-Matching Route\n" "USSD Prefix\n"
-#define INT_CHOICE "(own-msisdn|own-imsi|get-ran|umts-on|umts-off)"
+#define INT_CHOICE "(own-msisdn|own-imsi|get-ran|gsm-on|gsm-off|umts-on|umts-off)"
#define INT_STR "Internal USSD Handler\n" \
"Respond with subscribers' own MSISDN\n" \
"Respond with subscribers' own IMSI\n" \