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use std::fmt;
use error::{Error, Result};
use super::image::*;
use super::Pe;
#[derive(Copy, Clone)]
pub struct LoadConfig<'a, P> {
pe: P,
image: &'a IMAGE_LOAD_CONFIG_DIRECTORY,
}
impl<'a, P: Pe<'a> + Copy> LoadConfig<'a, P> {
pub(crate) fn try_from(pe: P) -> Result<LoadConfig<'a, P>> {
let datadir = pe.data_directory().get(IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG).ok_or(Error::Bounds)?;
let image = pe.derva(datadir.VirtualAddress)?;
Ok(LoadConfig { pe, image })
}
pub fn pe(&self) -> P {
self.pe
}
pub fn image(&self) -> &'a IMAGE_LOAD_CONFIG_DIRECTORY {
self.image
}
pub fn security_cookie(&self) -> Result<&'a u32> {
self.pe.deref(self.image.SecurityCookie.into())
}
pub fn se_handler_table(&self) -> Result<&'a [Va]> {
self.pe.deref_slice(self.image.SEHandlerTable.into(), self.image.SEHandlerCount as usize)
}
}
impl<'a, P: Pe<'a> + Copy> fmt::Debug for LoadConfig<'a, P> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("LoadConfig")
.field("security_cookie", &format_args!("{:x?}", self.security_cookie()))
.field("se_handler_table.len", &format_args!("{:?}", self.se_handler_table().map(|seh| seh.len())))
.finish()
}
}
#[cfg(feature = "serde")]
mod serde {
use util::serde_helper::*;
use super::{Pe, LoadConfig};
impl<'a, P: Pe<'a> + Copy> Serialize for LoadConfig<'a, P> {
fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
let mut state = serializer.serialize_struct("LoadConfig", 2)?;
state.serialize_field("security_cookie", &self.security_cookie().ok())?;
state.serialize_field("se_handler_table", &self.se_handler_table().ok())?;
state.end()
}
}
}
#[cfg(test)]
pub(crate) fn test<'a, P: Pe<'a> + Copy>(pe: P) -> Result<()> {
let load_config = pe.load_config()?;
let _ = format!("{:?}", load_config);
let _security_cookie = load_config.security_cookie();
let _se_handler_table = load_config.se_handler_table();
Ok(())
}