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|
pub mod mapper;
pub mod settings;
use crate::mapper::DeviceMapper;
use crate::settings::LoadSettings;
use binaryninja::binary_view::{BinaryView, BinaryViewBase};
use binaryninja::command::Command;
use binaryninja::interaction::{Form, FormInputField};
use binaryninja::workflow::{activity, Activity, AnalysisContext, Workflow};
use std::path::PathBuf;
use svd_parser::ValidateLevel;
pub struct LoadFileField;
impl LoadFileField {
pub fn field() -> FormInputField {
FormInputField::OpenFileName {
prompt: "File Path".to_string(),
// TODO: This is called extension but is really a filter.
extension: Some("*.svd".to_string()),
default: None,
value: None,
}
}
pub fn from_form(form: &Form) -> Option<PathBuf> {
let field = form.get_field_with_name("File Path")?;
let field_value = field.try_value_string()?;
Some(PathBuf::from(field_value))
}
}
pub struct AddCommentsField;
impl AddCommentsField {
pub fn field(default: bool) -> FormInputField {
FormInputField::Checkbox {
prompt: "Add Comments".to_string(),
default: Some(default),
value: false,
}
}
pub fn from_form(form: &Form) -> Option<bool> {
let field = form.get_field_with_name("Add Comments")?;
let field_value = field.try_value_int()?;
match field_value {
1 => Some(true),
_ => Some(false),
}
}
}
pub struct AddMemoryRegionsField;
impl AddMemoryRegionsField {
pub fn field(default: bool) -> FormInputField {
FormInputField::Checkbox {
prompt: "Add Memory Regions".to_string(),
default: Some(default),
value: false,
}
}
pub fn from_form(form: &Form) -> Option<bool> {
let field = form.get_field_with_name("Add Memory Regions")?;
let field_value = field.try_value_int()?;
match field_value {
1 => Some(true),
_ => Some(false),
}
}
}
struct LoadSVDFile;
impl Command for LoadSVDFile {
fn action(&self, view: &BinaryView) {
let mut form = Form::new("Load SVD File");
let mut load_settings = LoadSettings::from_view_settings(view);
form.add_field(LoadFileField::field());
form.add_field(AddCommentsField::field(load_settings.add_comments));
form.add_field(AddMemoryRegionsField::field(
load_settings.add_backing_regions,
));
if !form.prompt() {
return;
}
let Some(file_path) = LoadFileField::from_form(&form) else {
return;
};
load_settings.add_comments = AddCommentsField::from_form(&form).unwrap_or(true);
load_settings.add_backing_regions = AddMemoryRegionsField::from_form(&form).unwrap_or(true);
let file_content = match std::fs::read_to_string(&file_path) {
Ok(content) => content,
Err(e) => {
tracing::error!("Failed to read file: {:?}", e);
return;
}
};
// Disabling validation since vendors are lazy and don't follow the spec.
let mut config = svd_parser::Config::default();
config.validate_level = ValidateLevel::Disabled;
match svd_parser::parse_with_config(&file_content, &config) {
Ok(device) => {
// We have a supported svd device. map it!
let address_size = view.address_size();
let mapper = DeviceMapper::new(load_settings, address_size, device);
mapper.map_to_view(view);
view.update_analysis();
}
Err(e) => {
tracing::error!("Failed to parse SVD file: {:?}", e);
}
}
}
fn valid(&self, _view: &BinaryView) -> bool {
true
}
}
#[no_mangle]
#[allow(non_snake_case)]
#[cfg(not(feature = "demo"))]
pub extern "C" fn CorePluginInit() -> bool {
if plugin_init().is_err() {
tracing::error!("Failed to initialize SVD plug-in");
return false;
}
true
}
#[no_mangle]
#[allow(non_snake_case)]
#[cfg(feature = "demo")]
pub extern "C" fn SVDPluginInit() -> bool {
if plugin_init().is_err() {
tracing::error!("Failed to initialize SVD plug-in");
return false;
}
true
}
fn plugin_init() -> Result<(), ()> {
binaryninja::tracing_init!("SVD");
binaryninja::command::register_command(
"Load SVD File",
"Loads an SVD file into the current view.",
LoadSVDFile {},
);
// Register settings globally.
LoadSettings::register();
let loader_activity = |ctx: &AnalysisContext| {
let view = ctx.view();
let load_settings = LoadSettings::from_view_settings(&view);
let Some(file) = &load_settings.auto_load_file else {
tracing::debug!("No SVD file specified, skipping...");
return;
};
let file_content = match std::fs::read_to_string(file) {
Ok(content) => content,
Err(e) => {
tracing::error!("Failed to read file: {}", e);
return;
}
};
let mut config = svd_parser::Config::default();
config.validate_level = ValidateLevel::Disabled;
match svd_parser::parse_with_config(&file_content, &config) {
Ok(device) => {
let address_size = view.address_size();
let mapper = DeviceMapper::new(load_settings, address_size, device);
mapper.map_to_view(&view);
}
Err(e) => {
tracing::error!("Failed to parse SVD file: {:?}", e);
}
}
};
// Register new workflow activity to load svd information.
let loader_config = activity::Config::action(
"analysis.svd.loader",
"SVD Loader",
"This analysis step applies SVD info to the view...",
)
.eligibility(activity::Eligibility::auto().run_once(true));
let loader_activity = Activity::new_with_action(loader_config, loader_activity);
Workflow::cloned("core.module.metaAnalysis")
.ok_or(())?
.activity_before(&loader_activity, "core.module.loadDebugInfo")?
.register()?;
Ok(())
}
|
