static DEFINE_MUTEX(i8k_mutex);
static char bios_version[4];
+static char bios_machineid[16];
static struct device *i8k_hwmon_dev;
MODULE_AUTHOR("Massimo Dal Zotto (dz@debian.org)");
module_param(ignore_dmi, bool, 0);
MODULE_PARM_DESC(ignore_dmi, "Continue probing hardware even if DMI data does not match");
-static int restricted;
+static int restricted = true;
module_param(restricted, bool, 0);
-MODULE_PARM_DESC(restricted, "Allow fan control if SYS_ADMIN capability set");
+MODULE_PARM_DESC(restricted, "Restrict fan control and serial number to CAP_SYS_ADMIN (default: 1)");
static int power_status;
module_param(power_status, bool, 0600);
-MODULE_PARM_DESC(power_status, "Report power status in /proc/i8k");
+MODULE_PARM_DESC(power_status, "Report power status in /proc/i8k (default: 0)");
static int fan_mult = I8K_FAN_MULT;
module_param(fan_mult, int, 0);
break;
case I8K_MACHINE_ID:
- memset(buff, 0, 16);
- strlcpy(buff, i8k_get_dmi_data(DMI_PRODUCT_SERIAL), sizeof(buff));
+ if (restricted && !capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ memset(buff, 0, sizeof(buff));
+ strlcpy(buff, bios_machineid, sizeof(buff));
break;
case I8K_FN_STATUS:
return seq_printf(seq, "%s %s %s %d %d %d %d %d %d %d\n",
I8K_PROC_FMT,
bios_version,
- i8k_get_dmi_data(DMI_PRODUCT_SERIAL),
+ (restricted && !capable(CAP_SYS_ADMIN)) ? "-1" : bios_machineid,
cpu_temp,
left_fan, right_fan, left_speed, right_speed,
ac_power, fn_key);
DMI_MATCH(DMI_PRODUCT_NAME, "Vostro"),
},
},
+ {
+ .ident = "Dell XPS421",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "XPS L421X"),
+ },
+ },
{ }
};
}
strlcpy(bios_version, i8k_get_dmi_data(DMI_BIOS_VERSION), sizeof(bios_version));
+ strlcpy(bios_machineid, i8k_get_dmi_data(DMI_PRODUCT_SERIAL),
+ sizeof(bios_machineid));
/*
* Get SMM Dell signature