From 0118a1d07c5550b8c2bde0488af3bd44764e0571 Mon Sep 17 00:00:00 2001
From: Muhammad Asif <thevancedgamer@mentallysanemainliners.org>
Date: Mon, 22 Dec 2025 02:18:11 +0500
Subject: [PATCH] wwan: ofono: add support for querying operator code

The oFono SimManager interface exposes MNC and MCC individually, which
we can use to craft an operator code and store it in NM internally.

Signed-off-by: Muhammad Asif <thevancedgamer@mentallysanemainliners.org>
---
 src/core/devices/wwan/nm-modem-ofono.c | 49 ++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/src/core/devices/wwan/nm-modem-ofono.c b/src/core/devices/wwan/nm-modem-ofono.c
index 9700e9800c..192dafa952 100644
--- a/src/core/devices/wwan/nm-modem-ofono.c
+++ b/src/core/devices/wwan/nm-modem-ofono.c
@@ -58,6 +58,9 @@ typedef struct {
     GError *property_error;
 
     char *imsi;
+    char *mnc;
+    char *mcc;
+    char *operator_code;
 
     gboolean modem_online;
     gboolean modem_powered;
@@ -238,6 +241,25 @@ update_modem_state(NMModemOfono *self)
     }
 }
 
+static void
+operator_code_changed(NMModemOfono *self)
+{
+    NMModemOfonoPrivate *priv = NM_MODEM_OFONO_GET_PRIVATE(self);
+
+    _LOGD("MCC: %s MNC: %s", priv->mcc ? priv->mcc : "(null)", priv->mnc ? priv->mnc : "(null)");
+
+    if (priv->mcc && priv->mnc) {
+        char operator_code[7];
+        g_snprintf(operator_code, sizeof(operator_code), "%s%s", priv->mcc, priv->mnc);
+
+        if (priv->operator_code)
+            g_free(priv->operator_code);
+
+        priv->operator_code = g_strdup(operator_code);
+        _nm_modem_set_operator_code(NM_MODEM(self), priv->operator_code);
+    }
+}
+
 /* Disconnect */
 typedef struct {
     NMModemOfono              *self;
@@ -443,6 +465,26 @@ handle_sim_property(GDBusProxy *proxy, const char *property, GVariant *v, gpoint
             priv->imsi = g_strdup(value_str);
             update_modem_state(self);
         }
+    } else if (g_strcmp0(property, "MobileCountryCode") == 0 && VARIANT_IS_OF_TYPE_STRING(v)) {
+        const char *value_str = g_variant_get_string(v, NULL);
+
+        _LOGD("MobileCountryCode: %s", value_str);
+
+        if (priv->mcc)
+            g_free(priv->mcc);
+
+        priv->mcc = g_strdup(value_str);
+        operator_code_changed(self);
+    } else if (g_strcmp0(property, "MobileNetworkCode") == 0 && VARIANT_IS_OF_TYPE_STRING(v)) {
+        const char *value_str = g_variant_get_string(v, NULL);
+
+        _LOGD("MobileNetworkCode: %s", value_str);
+
+        if (priv->mnc)
+            g_free(priv->mnc);
+
+        priv->mnc = g_strdup(value_str);
+        operator_code_changed(self);
     }
 }
 
@@ -1957,6 +1999,13 @@ dispose(GObject *object)
     g_free(priv->imsi);
     priv->imsi = NULL;
 
+    g_free(priv->mcc);
+    priv->mcc = NULL;
+    g_free(priv->mnc);
+    priv->mnc = NULL;
+    g_free(priv->operator_code);
+    priv->operator_code = NULL;
+
     g_strfreev(priv->available_technologies);
     priv->available_technologies = NULL;