hostname: Add fallback to DMI information for class of device

diff --git a/plugins/hostname.c b/plugins/hostname.c
index d4307bc..731b3e7 100644 (file)
--- a/plugins/hostname.c
+++ b/plugins/hostname.c
@@ -27,6 +27,7 @@
 
 #include <errno.h>
 #include <stdint.h>
+#include <stdlib.h>
 #include <gdbus/gdbus.h>
 
 #include "dbus-common.h"
@@ -176,6 +177,60 @@ static struct btd_adapter_driver hostname_driver = {
        .remove = hostname_remove,
 };
 
+static void read_dmi_fallback(void)
+{
+       char *contents;
+       int i, type;
+       const char *str;
+
+       if (g_file_get_contents("/sys/class/dmi/id/chassis_type",
+                                       &contents, NULL, NULL) == FALSE)
+               return;
+
+       type = atoi(contents);
+       if (type < 0 || type > 0x1D)
+               return;
+
+       g_free(contents);
+
+       /* from systemd hostname chassis list */
+       switch (type) {
+       case 0x3:
+       case 0x4:
+       case 0x6:
+       case 0x7:
+               str = "desktop";
+               break;
+       case 0x8:
+       case 0x9:
+       case 0xA:
+       case 0xE:
+               str = "laptop";
+               break;
+       case 0xB:
+               str = "handset";
+               break;
+       case 0x11:
+       case 0x1C:
+               str = "server";
+               break;
+       default:
+               return;
+       }
+
+       DBG("chassis: %s", str);
+
+       for (i = 0; chassis_table[i].chassis; i++) {
+               if (!strcmp(chassis_table[i].chassis, str)) {
+                       major_class = chassis_table[i].major_class;
+                       minor_class = chassis_table[i].minor_class;
+                       break;
+               }
+       }
+
+       DBG("major: 0x%02x minor: 0x%02x", major_class, minor_class);
+}
+
 static GDBusClient *hostname_client = NULL;
 static GDBusProxy *hostname_proxy = NULL;
 
@@ -184,6 +239,8 @@ static int hostname_init(void)
        DBusConnection *conn = btd_get_dbus_connection();
        int err;
 
+       read_dmi_fallback();
+
        hostname_client = g_dbus_client_new(conn, "org.freedesktop.hostname1",
                                                "/org/freedesktop/hostname1");
        if (!hostname_client)