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use crate::{SMBiosStruct, UndefinedStruct};
use serde::{ser::SerializeStruct, Serialize, Serializer};
use std::fmt;
pub struct SMBiosHardwareSecurity<'a> {
parts: &'a UndefinedStruct,
}
impl<'a> SMBiosStruct<'a> for SMBiosHardwareSecurity<'a> {
const STRUCT_TYPE: u8 = 24u8;
fn new(parts: &'a UndefinedStruct) -> Self {
Self { parts }
}
fn parts(&self) -> &'a UndefinedStruct {
self.parts
}
}
impl<'a> SMBiosHardwareSecurity<'a> {
pub fn hardware_security_settings(&self) -> Option<HardwareSecuritySettings> {
self.parts
.get_field_byte(0x4)
.map(|raw| HardwareSecuritySettings::from(raw))
}
}
impl fmt::Debug for SMBiosHardwareSecurity<'_> {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt.debug_struct(std::any::type_name::<SMBiosHardwareSecurity<'_>>())
.field("header", &self.parts.header)
.field(
"hardware_security_settings",
&self.hardware_security_settings(),
)
.finish()
}
}
impl Serialize for SMBiosHardwareSecurity<'_> {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let mut state = serializer.serialize_struct("SMBiosHardwareSecurity", 2)?;
state.serialize_field("header", &self.parts.header)?;
state.serialize_field(
"hardware_security_settings",
&self.hardware_security_settings(),
)?;
state.end()
}
}
#[derive(PartialEq, Eq)]
pub struct HardwareSecuritySettings {
pub raw: u8,
pub power_on_password_status: HardwareSecurityStatus,
pub keyboard_password_status: HardwareSecurityStatus,
pub administrator_password_status: HardwareSecurityStatus,
pub front_panel_reset_status: HardwareSecurityStatus,
}
impl fmt::Debug for HardwareSecuritySettings {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt.debug_struct(std::any::type_name::<HardwareSecuritySettings>())
.field("raw", &self.raw)
.field("power_on_password_status", &self.power_on_password_status)
.field("keyboard_password_status", &self.keyboard_password_status)
.field(
"administrator_password_status",
&self.administrator_password_status,
)
.field("front_panel_reset_status", &self.front_panel_reset_status)
.finish()
}
}
impl Serialize for HardwareSecuritySettings {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
let mut state = serializer.serialize_struct("HardwareSecuritySettings", 5)?;
state.serialize_field("raw", &self.raw)?;
state.serialize_field("power_on_password_status", &self.power_on_password_status)?;
state.serialize_field("keyboard_password_status", &self.keyboard_password_status)?;
state.serialize_field(
"administrator_password_status",
&self.administrator_password_status,
)?;
state.serialize_field("front_panel_reset_status", &self.front_panel_reset_status)?;
state.end()
}
}
#[derive(Serialize, Debug, PartialEq, Eq)]
pub enum HardwareSecurityStatus {
Disabled,
Enabled,
NotImplemented,
Unknown,
}
impl From<u8> for HardwareSecuritySettings {
fn from(raw: u8) -> Self {
HardwareSecuritySettings {
power_on_password_status: match raw & 0b11_000000 {
0b00_000000 => HardwareSecurityStatus::Disabled,
0b01_000000 => HardwareSecurityStatus::Enabled,
0b10_000000 => HardwareSecurityStatus::NotImplemented,
0b11_000000 => HardwareSecurityStatus::Unknown,
_ => panic!("Impossible value"),
},
keyboard_password_status: match raw & 0b00_11_0000 {
0b00_00_0000 => HardwareSecurityStatus::Disabled,
0b00_01_0000 => HardwareSecurityStatus::Enabled,
0b00_10_0000 => HardwareSecurityStatus::NotImplemented,
0b00_11_0000 => HardwareSecurityStatus::Unknown,
_ => panic!("Impossible value"),
},
administrator_password_status: match raw & 0b0000_11_00 {
0b0000_00_00 => HardwareSecurityStatus::Disabled,
0b0000_01_00 => HardwareSecurityStatus::Enabled,
0b0000_10_00 => HardwareSecurityStatus::NotImplemented,
0b0000_11_00 => HardwareSecurityStatus::Unknown,
_ => panic!("Impossible value"),
},
front_panel_reset_status: match raw & 0b000000_11 {
0b000000_00 => HardwareSecurityStatus::Disabled,
0b000000_01 => HardwareSecurityStatus::Enabled,
0b000000_10 => HardwareSecurityStatus::NotImplemented,
0b000000_11 => HardwareSecurityStatus::Unknown,
_ => panic!("Impossible value"),
},
raw,
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn unit_test() {
let struct_type24 = vec![0x18, 0x05, 0x24, 0x00, 0x16, 0x00, 0x00];
let parts = UndefinedStruct::new(&struct_type24);
let test_struct = SMBiosHardwareSecurity::new(&parts);
assert_eq!(
test_struct.hardware_security_settings(),
Some(HardwareSecuritySettings::from(22))
);
}
}