[layer23] VTY command for changing LAI on SIM card

This speed up network selection process, because no manual network search
is required to change a network.

2 files changed, 36 insertions, 0 deletions

diff --git a/src/host/layer23/src/mobile/subscriber.c b/src/host/layer23/src/mobile/subscriber.c
index 782bece5..00d823cb 100644
--- a/src/host/layer23/src/mobile/subscriber.c
+++ b/src/host/layer23/src/mobile/subscriber.c
@@ -653,6 +653,10 @@ void gsm_subscr_sim_pin(struct osmocom_ms *ms, char *pin1, char *pin2,
 	struct msgb *nmsg;
 	uint8_t job;
 
+	/* skip, if no real valid SIM */
+	if (subscr->sim_type != GSM_SIM_TYPE_READER)
+		return;
+
 	switch (mode) {
 	case -1:
 		job = SIM_JOB_PIN1_DISABLE;
diff --git a/src/host/layer23/src/mobile/vty_interface.c b/src/host/layer23/src/mobile/vty_interface.c
index eda2d81f..687b7fc3 100644
--- a/src/host/layer23/src/mobile/vty_interface.c
+++ b/src/host/layer23/src/mobile/vty_interface.c
@@ -526,6 +526,37 @@ DEFUN(sim_unblock_pin, sim_unblock_pin_cmd, "sim unblock-pin MS_NAME PUC NEW",
 	return CMD_SUCCESS;
 }
 
+DEFUN(sim_lai, sim_lai_cmd, "sim lai MS_NAME MCC MNC LAC",
+	"SIM actions\nChange LAI of SIM card\nName of MS (see \"show ms\")\n"
+	"Mobile Country Code\nMobile Network Code\nLocation Area Code")
+{
+	struct osmocom_ms *ms;
+	uint16_t mcc = gsm_input_mcc((char *)argv[1]),
+		 mnc = gsm_input_mnc((char *)argv[2]),
+		 lac = strtoul(argv[3], NULL, 16);
+
+	ms = get_ms(argv[0], vty);
+	if (!ms)
+		return CMD_WARNING;
+
+	if (!mcc) {
+		vty_out(vty, "Given MCC invalid%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+	if (!mnc) {
+		vty_out(vty, "Given MNC invalid%s", VTY_NEWLINE);
+		return CMD_WARNING;
+	}
+
+	ms->subscr.mcc = mcc;
+	ms->subscr.mnc = mnc;
+	ms->subscr.lac = lac;
+
+	gsm_subscr_write_loci(ms);
+
+	return CMD_SUCCESS;
+}
+
 DEFUN(network_select, network_select_cmd, "network select MS_NAME MCC MNC",
 	"Select ...\nSelect Network\nName of MS (see \"show ms\")\n"
 	"Mobile Country Code\nMobile Network Code")
@@ -1467,6 +1498,7 @@ int ms_vty_init(void)
 	install_element(ENABLE_NODE, &sim_enable_pin_cmd);
 	install_element(ENABLE_NODE, &sim_change_pin_cmd);
 	install_element(ENABLE_NODE, &sim_unblock_pin_cmd);
+	install_element(ENABLE_NODE, &sim_lai_cmd);
 	install_element(ENABLE_NODE, &network_search_cmd);
 	install_element(ENABLE_NODE, &network_show_cmd);
 	install_element(ENABLE_NODE, &network_select_cmd);