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Isolate more analysis into analyzer

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momo5502
2025-06-05 18:59:27 +02:00
parent f046246740
commit f2e0e91630
9 changed files with 130 additions and 137 deletions
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51
src/analyzer/main.cpp
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@@ -6,6 +6,7 @@
#include "object_watching.hpp"
#include "snapshot.hpp"
#include "analysis.hpp"
#ifdef OS_EMSCRIPTEN
#include <event_handler.hpp>
@@ -17,18 +18,12 @@
namespace
{
struct analysis_options
struct analysis_options : analysis_settings
{
mutable bool use_gdb{false};
bool concise_logging{false};
bool verbose_logging{false};
bool silent{false};
bool buffer_stdout{false};
std::filesystem::path dump{};
std::string registry_path{"./registry"};
std::string emulation_root{};
std::set<std::string, std::less<>> modules{};
std::set<std::string, std::less<>> ignored_functions{};
std::unordered_map<windows_path, std::filesystem::path> path_mappings{};
};
@@ -59,23 +54,23 @@ namespace
}
void watch_system_objects(windows_emulator& win_emu, const std::set<std::string, std::less<>>& modules,
const bool cache_logging)
const bool verbose)
{
(void)win_emu;
(void)modules;
(void)cache_logging;
(void)verbose;
#if !defined(__GNUC__) || defined(__clang__)
watch_object(win_emu, modules, *win_emu.current_thread().teb, cache_logging);
watch_object(win_emu, modules, win_emu.process.peb, cache_logging);
watch_object(win_emu, modules, *win_emu.current_thread().teb, verbose);
watch_object(win_emu, modules, win_emu.process.peb, verbose);
watch_object(win_emu, modules, emulator_object<KUSER_SHARED_DATA64>{win_emu.emu(), kusd_mmio::address()},
cache_logging);
verbose);
auto* params_hook = watch_object(win_emu, modules, win_emu.process.process_params, cache_logging);
auto* params_hook = watch_object(win_emu, modules, win_emu.process.process_params, verbose);
win_emu.emu().hook_memory_write(
win_emu.process.peb.value() + offsetof(PEB64, ProcessParameters), 0x8,
[&win_emu, cache_logging, params_hook, modules](const uint64_t address, const void*, size_t) mutable {
[&win_emu, verbose, params_hook, modules](const uint64_t address, const void*, size_t) mutable {
const auto target_address = win_emu.process.peb.value() + offsetof(PEB64, ProcessParameters);
if (address == target_address)
@@ -86,7 +81,7 @@ namespace
};
win_emu.emu().delete_hook(params_hook);
params_hook = watch_object(win_emu, modules, obj, cache_logging);
params_hook = watch_object(win_emu, modules, obj, verbose);
}
});
#endif
@@ -206,12 +201,7 @@ namespace
return {
.emulation_root = options.emulation_root,
.registry_directory = options.registry_path,
.verbose_calls = options.verbose_logging,
.disable_logging = options.silent,
.silent_until_main = options.concise_logging,
.path_mappings = options.path_mappings,
.modules = options.modules,
.ignored_functions = options.ignored_functions,
};
}
@@ -253,8 +243,16 @@ namespace
bool run(const analysis_options& options, const std::span<const std::string_view> args)
{
const auto win_emu = setup_emulator(options, args);
analysis_context context{
.settings = &options,
};
const auto win_emu = setup_emulator(options, args);
win_emu->log.disable_output(options.concise_logging || options.silent);
context.win_emu = win_emu.get();
// TODO: Move to analysis
#ifdef OS_EMSCRIPTEN
win_emu->callbacks.on_thread_switch = [&] {
debugger::event_context c{.win_emu = *win_emu};
@@ -265,16 +263,9 @@ namespace
win_emu->log.log("Using emulator: %s\n", win_emu->emu().get_name().c_str());
(void)&watch_system_objects;
watch_system_objects(*win_emu, options.modules, !options.verbose_logging);
win_emu->buffer_stdout = options.buffer_stdout;
watch_system_objects(*win_emu, options.modules, options.verbose_logging);
if (options.silent)
{
win_emu->buffer_stdout = false;
win_emu->callbacks.on_stdout = [](const std::string_view data) {
(void)fwrite(data.data(), 1, data.size(), stdout);
};
}
register_analysis_callbacks(context);
const auto& exe = *win_emu->mod_manager.executable;