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extern crate crossbeam;
extern crate crossbeam_channel;
extern crate skim;
use skim::prelude::*;
use crate::common::readable_canonical_path;
use crate::executable::Executables;
use crate::pe::demangle_symbol;
enum SymbolLocation {
Exported,
Imported(String),
}
struct SymbolItem {
symbol: String,
dllname: String,
location: SymbolLocation,
}
impl SkimItem for SymbolItem {
fn text(&'_ self) -> Cow<'_, str> {
if let Ok(demangled) = demangle_symbol(&self.symbol) {
Cow::from(demangled)
} else {
Cow::Borrowed(&self.symbol)
}
}
fn preview(&self, _context: PreviewContext) -> ItemPreview {
let demangled = demangle_symbol(&self.symbol).unwrap_or(self.symbol.clone());
let export_msg = if let SymbolLocation::Imported(dll) = &self.location {
format!("imported from {}", dll)
} else {
"exported".to_string()
};
ItemPreview::Text(format!(
"dll:\n\t{}\n\nlocation:\n\t{}\n\nsymbol:\n\t{}\n\nraw symbol:\n\t{}",
self.dllname, export_msg, &demangled, self.symbol
))
}
}
struct ExecutableItem {
name: String,
path: Option<String>,
kind: Option<String>,
dependencies: Option<Vec<String>>,
imports: Option<Vec<String>>,
exports: Option<Vec<String>>,
}
impl SkimItem for ExecutableItem {
fn text(&'_ self) -> Cow<'_, str> {
Cow::Borrowed(&self.name)
}
fn preview(&self, _context: PreviewContext) -> ItemPreview {
ItemPreview::Text(format!(
"dll:\n\t{}\n\nkind:\n\t{}\n\npath:\n\t{}\n\ndependencies:\n{}\n\nexported symbols:\n{}\n\nimported symbols:\n{}",
self.name,
self.kind.as_deref().unwrap_or("<not found>"),
self.path.as_deref().unwrap_or("<not found>"),
self.dependencies
.as_ref()
.map(|deps| deps
.iter()
.map(|d| format!("\t{}", d))
.collect::<Vec<_>>()
.join("\n"))
.unwrap_or("".to_owned()),
self.exports
.as_ref()
.map(|deps| deps
.iter()
.map(|d| format!("\t{}", d))
.collect::<Vec<_>>()
.join("\n"))
.unwrap_or("".to_owned()),
self.imports
.as_ref()
.map(|deps| deps
.iter()
.map(|d| format!("\t{}", d))
.collect::<Vec<_>>()
.join("\n"))
.unwrap_or("".to_owned()),
))
}
}
pub fn skim_symbols(exes: &Executables, selected_dlls: Option<Vec<String>>) -> Option<Vec<String>> {
let options = SkimOptionsBuilder::default()
// .height(Some("50%")) // enabling this causes a bug where the console is not cleaned up upon exit
.preview(Some("".to_string())) // preview should be specified to enable the preview window
.preview_window("wrap".to_string())
.header(Some("Ctrl+g or ESC to quit".to_string()))
.prompt("Fuzzy query: >".to_string())
.build()
.unwrap();
let (tx_item, rx_item): (SkimItemSender, SkimItemReceiver) = unbounded();
crossbeam::scope(|s| {
// Producer thread
s.spawn(|_| {
for e in exes.sorted_by_first_appearance() {
if selected_dlls
.as_ref()
.map(|sd| sd.contains(&e.dllname))
.unwrap_or(true)
{
if let Some(d) = e.details.as_ref() {
if let Some(syms) = d.symbols.as_ref() {
for syms in &syms.exported {
let _ = tx_item.send(Arc::new(SymbolItem {
symbol: syms.to_string(),
dllname: e.dllname.clone(),
location: SymbolLocation::Exported,
}));
}
for syms in &syms.imported {
for sym in syms.1 {
let _ = tx_item.send(Arc::new(SymbolItem {
symbol: sym.to_string(),
dllname: e.dllname.clone(),
location: SymbolLocation::Imported(syms.0.to_string()),
}));
}
}
}
}
}
}
drop(tx_item); // so that skim could know when to stop waiting for more items.
});
// `run_with` would read and show items from the stream
let output = Skim::run_with(&options, Some(rx_item));
let was_aborted = output.as_ref().map(|o| o.is_abort).unwrap_or(true);
let selected_items = output
.map(|out| out.selected_items)
.unwrap_or_default();
if !was_aborted {
Some(
selected_items
.iter()
.map(|si| si.output().to_string())
.collect(),
)
} else {
None
}
})
.unwrap()
}
pub fn skim_dlls(exes: &Executables) -> Option<Vec<String>> {
let options = SkimOptionsBuilder::default()
// .height(Some("50%")) // enabling this causes a bug where the console is not cleaned up upon exit
.preview(Some("".to_string())) // preview should be specified to enable the preview window
.preview_window("wrap".to_string())
.multi(true)
.header(Some(
"Ctrl+g or ESC to quit\nSelect DLLs with TAB and press Enter to inspect symbols"
.to_string()))
.prompt("Fuzzy query: >".to_string())
.build()
.unwrap();
let (tx_item, rx_item): (SkimItemSender, SkimItemReceiver) = unbounded();
crossbeam::scope(|s| {
// Producer thread
s.spawn(|_| {
for e in exes.sorted_by_first_appearance() {
let name = e.dllname.clone();
let path = e
.details
.as_ref()
.map(|d| readable_canonical_path(&d.full_path).ok())
.unwrap_or(None);
let kind = e
.details
.as_ref()
.map(|d| {
if d.is_known_dll {
Some("Known DLL".to_owned())
} else if d.is_api_set {
Some("API Set DLL".to_owned())
} else if d.is_system {
Some("System DLL".to_owned())
} else {
Some("User DLL".to_owned())
}
})
.unwrap_or(None);
let dependencies = e
.details
.as_ref()
.map(|d| d.dependencies.clone())
.unwrap_or(None);
let imports = e
.details
.as_ref()
.map(|d| {
d.symbols.as_ref().map(|s| {
s.imported
.iter()
.flat_map(|(idll, isymbols)| {
isymbols
.iter()
.map(|ms| {
format!(
"{} ({})",
demangle_symbol(ms).unwrap_or(ms.to_string()),
idll
)
})
.collect::<Vec<String>>()
})
.collect::<Vec<String>>()
})
})
.unwrap_or(None);
let exports = e
.details
.as_ref()
.map(|d| {
d.symbols.as_ref().map(|s| {
s.exported
.iter()
.map(|ms| demangle_symbol(ms).unwrap_or(ms.to_string()))
.collect::<Vec<String>>()
})
})
.unwrap_or(None);
let _ = tx_item.send(Arc::new(ExecutableItem {
name,
path,
kind,
dependencies,
imports,
exports,
}));
}
drop(tx_item); // so that skim could know when to stop waiting for more items.
});
// `run_with` would read and show items from the stream
let output = Skim::run_with(&options, Some(rx_item));
let was_aborted = output.as_ref().map(|o| o.is_abort).unwrap_or(true);
let selected_items = output
.map(|out| out.selected_items)
.unwrap_or_default();
if !was_aborted {
Some(
selected_items
.iter()
.map(|si| si.output().to_string())
.collect(),
)
} else {
None
}
})
.unwrap()
}