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main_plugin.cc
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// Copyright 2011-2024 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "third_party/zynamics/bindiff/ida/main_plugin.h"
#include <cstdarg>
#include <cstdint>
#include <cstdio>
#include <cstring>
#include <exception>
#include <limits>
#include <memory>
#include <stdexcept>
#include <string>
#include <thread> // NOLINT(build/c++11)
#include <utility>
#include <vector>
// clang-format off
#include "third_party/zynamics/binexport/ida/begin_idasdk.inc" // NOLINT
#include <bytes.hpp> // NOLINT
#include <diskio.hpp> // NOLINT
#include <expr.hpp> // NOLINT
#include <frame.hpp> // NOLINT
#include <funcs.hpp> // NOLINT
#include <ida.hpp> // NOLINT
#include <idp.hpp> // NOLINT
#include <kernwin.hpp> // NOLINT
#include <loader.hpp> // NOLINT
#include <nalt.hpp> // NOLINT
#include <name.hpp> // NOLINT
#include <ua.hpp> // NOLINT
#include <xref.hpp> // NOLINT
#if IDP_INTERFACE_VERSION < 900
#include <enum.hpp> // NOLINT
#include <struct.hpp> // NOLINT
#endif
#include "third_party/zynamics/binexport/ida/end_idasdk.inc" // NOLINT
// clang-format on
#include "third_party/absl/log/log.h"
#include "third_party/absl/memory/memory.h"
#include "third_party/absl/status/status.h"
#include "third_party/absl/status/statusor.h"
#include "third_party/absl/strings/ascii.h"
#include "third_party/absl/strings/match.h"
#include "third_party/absl/strings/numbers.h"
#include "third_party/absl/strings/str_cat.h"
#include "third_party/absl/strings/string_view.h"
#include "third_party/absl/types/span.h"
#include "third_party/zynamics/bindiff/change_classifier.h"
#include "third_party/zynamics/bindiff/config.h"
#include "third_party/zynamics/bindiff/database_writer.h"
#include "third_party/zynamics/bindiff/differ.h"
#include "third_party/zynamics/bindiff/flow_graph.h"
#include "third_party/zynamics/bindiff/groundtruth_writer.h"
#include "third_party/zynamics/bindiff/ida/bindiff_icon.h"
#include "third_party/zynamics/bindiff/ida/matched_functions_chooser.h"
#include "third_party/zynamics/bindiff/ida/results.h"
#include "third_party/zynamics/bindiff/ida/statistics_chooser.h"
#include "third_party/zynamics/bindiff/ida/unmatched_functions_chooser.h"
#include "third_party/zynamics/bindiff/ida/visual_diff.h"
#include "third_party/zynamics/bindiff/log_writer.h"
#include "third_party/zynamics/bindiff/match/call_graph.h"
#include "third_party/zynamics/bindiff/match/context.h"
#include "third_party/zynamics/bindiff/match/flow_graph.h"
#include "third_party/zynamics/bindiff/reader.h"
#include "third_party/zynamics/bindiff/sqlite.h"
#include "third_party/zynamics/bindiff/version.h"
#include "third_party/zynamics/binexport/ida/digest.h"
#include "third_party/zynamics/binexport/ida/log_sink.h"
#include "third_party/zynamics/binexport/ida/ui.h"
#include "third_party/zynamics/binexport/ida/util.h"
#include "third_party/zynamics/binexport/util/filesystem.h"
#include "third_party/zynamics/binexport/util/format.h"
#include "third_party/zynamics/binexport/util/idb_export.h"
#include "third_party/zynamics/binexport/util/logging.h"
#include "third_party/zynamics/binexport/util/process.h"
#include "third_party/zynamics/binexport/util/status_macros.h"
#include "third_party/zynamics/binexport/util/timer.h"
#include "third_party/zynamics/binexport/util/types.h"
namespace security::bindiff {
using ::security::binexport::FormatAddress;
using ::security::binexport::GetInputFileMd5;
using ::security::binexport::GetInputFileSha256;
using ::security::binexport::GetOrCreateAppDataDirectory;
using ::security::binexport::HumanReadableDuration;
using ::security::binexport::IdaLogSink;
using ::security::binexport::IdbExporter;
using ::security::binexport::InitLogging;
using ::security::binexport::LoggingOptions;
using ::security::binexport::ShutdownLogging;
using ::security::binexport::ToStringView;
std::string GetArgument(absl::string_view name) {
const char* option =
get_plugin_options(absl::StrCat("BinDiff", name).c_str());
return option ? option : "";
}
std::string GetLogFilename(const bindiff::Config& config,
absl::string_view basename) {
std::string log_dir = config.log().directory();
if (log_dir.empty()) {
log_dir = JoinPath(GetOrCreateAppDataDirectory(kBinDiffName).value_or("."),
"logs");
CreateDirectories(log_dir)
.IgnoreError(); // Let logging code handle the error
}
return JoinPath(log_dir, basename);
}
bool DoSaveResults();
std::string FindFile(absl::string_view path, absl::string_view extension) {
std::vector<std::string> entries;
GetDirectoryEntries(path, &entries).IgnoreError();
for (const auto& entry : entries) {
if (GetFileExtension(entry) == extension) {
return JoinPath(path, Basename(entry));
}
}
return "";
}
bool CheckHaveBinExportWithMessage() {
addon_info_t addon_info;
if (!get_addon_info("com.google.binexport", &addon_info)) {
warning("Required BinExport plugin is missing.");
return false;
}
return true;
}
bool CheckHaveIdbWithMessage() {
if (strlen(get_path(PATH_TYPE_IDB)) == 0) {
info("AUTOHIDE NONE\nPlease open an IDB first.");
return false;
}
return true;
}
bool CheckHaveResultsWithMessage() {
if (!Plugin::instance()->results()) {
info("AUTOHIDE NONE\nPlease perform a diff first.");
return false;
}
return true;
}
template <typename T>
class ActionHandlerWithIdb : public ActionHandler<T> {
action_state_t idaapi update(action_update_ctx_t* ctx) override {
return strlen(get_path(PATH_TYPE_IDB)) ? AST_ENABLE_FOR_IDB
: AST_DISABLE_FOR_IDB;
}
};
template <typename T>
class ActionHandlerWithResults : public ActionHandler<T> {
action_state_t idaapi update(action_update_ctx_t* ctx) override {
return Plugin::instance()->results() ? AST_ENABLE : AST_DISABLE;
}
};
absl::StatusOr<bool> ExportIdbs() {
if (!CheckHaveIdbWithMessage()) {
return false;
}
NA_ASSIGN_OR_RETURN(std::string temp_dir,
GetOrCreateTempDirectory("BinDiff"));
absl::StatusOr<std::string> secondary_idb = GetOpenFilename(
"Select Secondary Database", "*.i64;*.idb",
{{"IDA Databases", "*.i64;*.idb"}, {"All files", kAllFilesFilter}});
if (!secondary_idb.ok()) {
return false;
}
std::string secondary_idb_path = std::move(*secondary_idb);
const std::string primary_idb_path(get_path(PATH_TYPE_IDB));
if (primary_idb_path == secondary_idb_path) {
return absl::FailedPreconditionError(
"You cannot open the same database twice. Please copy and rename one "
"if you want to diff it against itself.");
}
if ((Dirname(primary_idb_path) == Dirname(secondary_idb_path)) &&
(ReplaceFileExtension(primary_idb_path, "") ==
ReplaceFileExtension(secondary_idb_path, ""))) {
return absl::FailedPreconditionError(
"You cannot open a 64-bit database and a 32-bit database with the "
"same name in the same directory. Please rename or move one of the "
"files.");
}
#ifndef __EA64__
// This can only happen with a primary IDA Pro instance that is not 64-bit
// address aware.
if (absl::AsciiStrToUpper(GetFileExtension(primary_idb_path)) == ".IDB" &&
absl::AsciiStrToUpper(GetFileExtension(secondary_idb_path)) == ".I64") {
if (ask_yn(ASKBTN_YES,
"Warning: You requested to diff a 32-bit binary vs. a 64-bit "
"binary.\n"
"If the 64-bit binary contains addresses outside the 32-bit "
"range they will be truncated.\n"
"To fix this problem please start 64-bit aware IDA and diff "
"the other way around, i.e. 64-bit vs. 32-bit.\n"
"Continue anyways?") != ASKBTN_YES) {
return false;
}
}
#endif
LOG(INFO) << "Diffing " << Basename(primary_idb_path) << " vs "
<< Basename(secondary_idb_path);
WaitBox wait_box("Exporting idbs...");
const std::string primary_temp_dir = JoinPath(temp_dir, "primary");
RemoveAll(primary_temp_dir).IgnoreError();
NA_RETURN_IF_ERROR(CreateDirectories(primary_temp_dir));
const std::string secondary_temp_dir = JoinPath(temp_dir, "secondary");
RemoveAll(secondary_temp_dir).IgnoreError();
NA_RETURN_IF_ERROR(CreateDirectories(secondary_temp_dir));
{
const auto& config = config::Proto();
auto options =
IdbExporter::Options()
.set_export_dir(secondary_temp_dir)
.set_ida_dir(idadir(/*subdir=*/nullptr))
.set_alsologtostderr(Plugin::instance()->alsologtostderr());
if (config.log().to_file()) {
options.set_log_filename(
GetLogFilename(config, "bindiff_idapro_secondary.log"));
}
IdbExporter exporter(options);
exporter.AddDatabase(secondary_idb_path);
absl::Status status;
std::thread export_thread(
[&status, &exporter]() { status = exporter.Export(); });
const std::string primary_binexport = JoinPath(
primary_temp_dir,
ReplaceFileExtension(Basename(primary_idb_path), ".BinExport"));
idc_value_t arg = primary_binexport.c_str();
if (qstring errbuf; !call_idc_func(
/*result=*/nullptr, "BinExportBinary", &arg,
/*argsnum=*/1, &errbuf, /*resolver=*/nullptr)) {
export_thread.detach();
return absl::UnknownError(absl::StrCat(
"Export of the primary database failed: ", ToStringView(errbuf)));
}
export_thread.join();
if (!status.ok()) {
return absl::UnknownError(absl::StrCat(
"Export of the secondary database failed: ", status.message()));
}
}
return true;
}
void Plugin::VisualDiff(uint32_t index, bool call_graph_diff) {
if (!results_) {
return;
}
try {
std::string message;
const bool result =
!call_graph_diff
? results_->PrepareVisualDiff(index, &message)
: results_->PrepareVisualCallGraphDiff(index, &message);
if (!result) {
return;
}
LOG(INFO) << "Sending result to BinDiff GUI...";
if (absl::Status status = SendGuiMessage(config::Proto(), message, [] {});
!status.ok()) {
const std::string error_message = absl::StrCat(
"Cannot launch BinDiff user interface. Process creation failed: ",
status.message());
LOG(INFO) << error_message;
warning("%s\n", error_message.c_str());
}
} catch (const std::runtime_error& error_message) {
LOG(INFO) << "Error while calling BinDiff UI: " << error_message.what();
warning("Error while calling BinDiff UI: %s\n", error_message.what());
} catch (...) {
LOG(INFO) << "Unknown error while calling BinDiff UI";
warning("Unknown error while calling BinDiff UI\n");
}
}
bool Plugin::DiscardResults(Plugin::DiscardResultsKind kind) {
if (!results_) {
return true;
}
if (kind != DiscardResultsKind::kDontSave && results_->is_modified()) {
const auto answer =
ask_yn(ASKBTN_YES,
"%sCurrent diff results have not been"
" saved - save before closing?",
kind == DiscardResultsKind::kAskSave ? "HIDECANCEL\n" : "");
if (answer == ASKBTN_YES) {
DoSaveResults();
} else if (answer == ASKBTN_CANCEL) {
return false;
}
}
MatchedFunctionsChooser::Close();
UnmatchedFunctionsChooserPrimary::Close();
UnmatchedFunctionsChooserSecondary::Close();
StatisticsChooser::Close();
results_.reset();
return true;
}
ssize_t idaapi ProcessorHook(void*, int event_id, va_list /*arguments*/) {
switch (event_id) {
case processor_t::ev_term: {
auto* results = Plugin::instance()->results();
if (!is_database_flag(DBFL_KILL) && results) {
results->MarkPortedCommentsInDatabase();
}
break;
}
}
return 0;
}
ssize_t idaapi IdbHook(void*, int event_id, va_list /*arguments*/) {
switch (event_id) {
case idb_event::closebase:
// This is not strictly necessary as the "CloseBase" action will be caught
// in UiHook(). Action names are not guaranteed to be stable, though, so
// take the last opportunity to ask whether to save the results.
Plugin::instance()->DiscardResults(Plugin::DiscardResultsKind::kAskSave);
break;
}
return 0;
}
ssize_t idaapi UiHook(void*, int event_id, va_list arguments) {
switch (event_id) {
case ui_finish_populating_widget_popup: {
auto* widget = va_arg(arguments, TWidget*);
auto* popup_handle = va_arg(arguments, TPopupMenu*);
attach_action_to_popup(widget, popup_handle, nullptr); // Add separator
for (auto& attach :
{MatchedFunctionsChooser::AttachActionsToPopup,
UnmatchedFunctionsChooserPrimary::AttachActionsToPopup,
UnmatchedFunctionsChooserSecondary::AttachActionsToPopup}) {
if (attach(widget, popup_handle)) {
break;
}
}
// Add separator before "Font..."
attach_action_to_popup(widget, popup_handle, nullptr);
break;
}
}
return 0;
}
void Plugin::ShowResults(Plugin::ResultFlags flags) {
if (!results_) {
return;
}
results_->CreateIndexedViews();
// Note: The chooser instances will be owned/freed by IDA.
if (flags & kResultsShowMatched) {
(new MatchedFunctionsChooser())->choose();
}
if (flags & kResultsShowStatistics) {
(new StatisticsChooser())->choose();
}
if (flags & kResultsShowPrimaryUnmatched) {
(new UnmatchedFunctionsChooserPrimary())->choose();
}
if (flags & kResultsShowSecondaryUnmatched) {
(new UnmatchedFunctionsChooserSecondary())->choose();
}
}
bool idaapi MenuItemShowResultsCallback(void* user_data) {
if (!CheckHaveResultsWithMessage()) {
return false;
}
Plugin::instance()->ShowResults(
static_cast<Plugin::ResultFlags>(reinterpret_cast<int64_t>(user_data)));
return true;
}
// Deletes all nodes from callgraph (and corresponding flow graphs) that are
// not within the specified range
void FilterFunctions(ea_t start, ea_t end, CallGraph* call_graph,
FlowGraphs* flow_graphs,
FlowGraphInfos* flow_graph_infos) {
for (auto it = flow_graphs->begin(); it != flow_graphs->end();) {
const FlowGraph* flow_graph = *it;
const auto entry_point = flow_graph->GetEntryPointAddress();
if (entry_point < start || entry_point > end) {
flow_graph_infos->erase(entry_point);
delete flow_graph;
flow_graphs->erase(it++);
} else {
++it;
}
}
call_graph->DeleteVertices(start, end);
}
absl::StatusOr<bool> DiffAddressRange(ea_t start_address_source,
ea_t end_address_source,
ea_t start_address_target,
ea_t end_address_target) {
Plugin& plugin = *Plugin::instance();
plugin.DiscardResults(Plugin::DiscardResultsKind::kDontSave);
Timer<> timer;
NA_ASSIGN_OR_RETURN(const bool exported, ExportIdbs());
if (!exported) {
return false;
}
LOG(INFO) << absl::StrCat(HumanReadableDuration(timer.elapsed()),
" for exports...");
LOG(INFO) << absl::StrCat(
"Diffing address range primary(", FormatAddress(start_address_source),
" - ", FormatAddress(end_address_source), ") vs secondary(",
FormatAddress(start_address_target), " - ",
FormatAddress(end_address_target), ")");
timer.restart();
WaitBox wait_box("Performing diff...");
// TODO(cblichmann): Create directory with random suffix, so that multiple
// invocations don't interfere with each other.
NA_ASSIGN_OR_RETURN(const std::string temp_dir,
GetOrCreateTempDirectory("BinDiff"));
const std::string filename1 =
FindFile(JoinPath(temp_dir, "primary"), ".BinExport");
if (filename1.empty()) {
return absl::FailedPreconditionError(
"Exporting the primary (this) database failed.\n"
"Please check whether the BinExport plugin is installed correctly.");
}
const std::string filename2 =
FindFile(JoinPath(temp_dir, "secondary"), ".BinExport");
if (filename2.empty()) {
return absl::FailedPreconditionError(
"Exporting the secondary database failed. "
"Is it opened in another instance?\n"
"Please close all other IDA instances and try again.");
}
NA_RETURN_IF_ERROR(plugin.ClearResults());
Results* results = plugin.results();
NA_RETURN_IF_ERROR(Read(filename1, &results->call_graph1_,
&results->flow_graphs1_, &results->flow_graph_infos1_,
&results->instruction_cache_));
NA_RETURN_IF_ERROR(Read(filename2, &results->call_graph2_,
&results->flow_graphs2_, &results->flow_graph_infos2_,
&results->instruction_cache_));
MatchingContext context(results->call_graph1_, results->call_graph2_,
results->flow_graphs1_, results->flow_graphs2_,
results->fixed_points_);
FilterFunctions(start_address_source, end_address_source,
&context.primary_call_graph_, &context.primary_flow_graphs_,
&results->flow_graph_infos1_);
FilterFunctions(
start_address_target, end_address_target, &context.secondary_call_graph_,
&context.secondary_flow_graphs_, &results->flow_graph_infos2_);
const MatchingSteps callgraph_steps = GetDefaultMatchingSteps();
const MatchingStepsFlowGraph basicblock_steps =
GetDefaultMatchingStepsBasicBlock();
Diff(&context, callgraph_steps, basicblock_steps);
LOG(INFO) << absl::StrCat(HumanReadableDuration(timer.elapsed()),
" for matching.");
results->set_modified();
plugin.ShowResults(Plugin::kResultsShowAll);
return true;
}
bool DoRediffDatabase() {
auto* results = Plugin::instance()->results();
if (!results) {
warning(
"You need to create a regular diff before diffing incrementally. "
"Either create or load one. Diffing incrementally will keep all "
"manually confirmed matches in the result and try to reassign all "
"other matches.");
return false;
}
if (absl::Status status = results->IncrementalDiff(); !status.ok()) {
if (!absl::IsCancelled(status)) {
const std::string message =
absl::StrCat("Error while diffing: ", status.message());
LOG(INFO) << message;
warning("%s\n", message.c_str());
}
return false;
}
Plugin::instance()->ShowResults(Plugin::kResultsShowAll);
return true;
}
bool DoDiffDatabase(bool filtered) {
if (!CheckHaveBinExportWithMessage() ||
!Plugin::instance()->DiscardResults(
Plugin::DiscardResultsKind::kAskSaveCancellable)) {
return false;
}
// Default to full address range
ea_t start_address_source = 0;
ea_t end_address_source = std::numeric_limits<ea_t>::max() - 1;
ea_t start_address_target = 0;
ea_t end_address_target = std::numeric_limits<ea_t>::max() - 1;
if (filtered) {
constexpr char kDialog[] =
"STARTITEM 0\n"
"Diff Database Filtered\n"
"Specify address ranges to diff (default: all)\n\n"
" <Start address (primary) :$::16::>\n"
" <End address (primary):$::16::>\n"
" <Start address (secondary):$::16::>\n"
" <End address (secondary):$::16::>\n\n";
if (!ask_form(kDialog, &start_address_source, &end_address_source,
&start_address_target, &end_address_target)) {
return false;
}
}
absl::StatusOr<bool> diffed =
DiffAddressRange(start_address_source, end_address_source,
start_address_target, end_address_target);
if (!diffed.ok()) {
const std::string error_message =
absl::StrCat("Error while diffing: ", diffed.status().message());
LOG(INFO) << error_message;
warning("%s\n", error_message.c_str());
return false;
}
return *diffed;
}
bool DoPortComments() {
if (!CheckHaveResultsWithMessage()) {
return false;
}
constexpr char kDialog[] =
"STARTITEM 0\n"
"Import Symbols/Comments\n"
"Address range (default: all)\n\n"
" <Start address (source):$::16::>\n"
" <End address (source):$::16::>\n"
" <Start address (target):$::16::>\n"
" <End address (target):$::16::>\n\n"
"Minimum confidence required (default: none)\n\n"
" <confidence:q::16::>\n\n"
"Minimum similarity required (default: none)\n\n"
" <similarity:q::16::>\n\n";
// Default to full address range.
ea_t start_address_source = 0;
ea_t end_address_source = std::numeric_limits<ea_t>::max() - 1;
ea_t start_address_target = 0;
ea_t end_address_target = std::numeric_limits<ea_t>::max() - 1;
qstring min_confidence_str = "0.0";
qstring min_similarity_str = "0.0";
if (!ask_form(kDialog, &start_address_source, &end_address_source,
&start_address_target, &end_address_target, &min_confidence_str,
&min_similarity_str)) {
return false;
}
Timer<> timer;
double min_confidence;
double min_similarity;
if (auto s = ToStringView(min_confidence_str);
!absl::SimpleAtod(s, &min_confidence)) {
const std::string message =
absl::StrCat("Error: Invalid value for minimum confidence: ", s);
warning("%s\n", message.c_str());
LOG(INFO) << message;
return false;
}
if (auto s = ToStringView(min_similarity_str);
!absl::SimpleAtod(s, &min_similarity)) {
const std::string message =
absl::StrCat("Error: Invalid value for minimum similarity: ", s);
warning("%s\n", message.c_str());
LOG(INFO) << message;
return false;
}
absl::Status status = Plugin::instance()->results()->PortComments(
start_address_source, end_address_source, start_address_target,
end_address_target, min_confidence, min_similarity);
if (!status.ok()) {
const std::string error_message(status.message());
LOG(INFO) << "Error: " << error_message;
warning("Error: %s\n", error_message.c_str());
return false;
}
MatchedFunctionsChooser::Refresh();
UnmatchedFunctionsChooserPrimary::Refresh();
LOG(INFO) << absl::StrCat(HumanReadableDuration(timer.elapsed()),
" for comment porting");
return true;
}
error_t idaapi IdcBinDiffDatabase(idc_value_t* argument, idc_value_t*) {
if (argument[0].vtype != VT_STR || argument[1].vtype != VT_STR) {
LOG(INFO) << "Error (BinDiffDatabase): required arguments are missing or "
"have the wrong type.";
LOG(INFO) << "Usage:";
LOG(INFO) << " BinDiffDatabase('secondary_idb', 'results_file')";
return -1;
}
return DoDiffDatabase(/*filtered=*/false) ? eOk : -1;
}
constexpr char kBinDiffDatabaseArgs[] = {VT_STR, // Secondary database
VT_STR, // Results file
0};
constexpr ext_idcfunc_t kBinDiffDatabaseIdcFunc = {
"BinDiffDatabase", IdcBinDiffDatabase, kBinDiffDatabaseArgs, nullptr, 0,
EXTFUN_BASE};
absl::Status WriteResults(const std::string& filename) {
LOG(INFO) << "Writing results...";
auto* results = Plugin::instance()->results();
const std::string export1 = results->call_graph1_.GetFilePath();
const std::string export2 = results->call_graph2_.GetFilePath();
NA_ASSIGN_OR_RETURN(const std::string temp_dir,
GetOrCreateTempDirectory("BinDiff"));
const std::string out_dir = Dirname(filename);
if (!results->is_incomplete()) {
NA_ASSIGN_OR_RETURN(
auto writer,
DatabaseWriter::Create(
filename,
DatabaseWriter::Options().set_include_function_names(
!config::Proto().binary_format().exclude_function_names())));
NA_RETURN_IF_ERROR(results->Write(writer.get()));
} else {
// Results are incomplete (have been loaded). Copy original result file to
// temp dir first, so we can overwrite the original if required.
const std::string input_bindiff = JoinPath(temp_dir, "input.BinDiff");
std::remove(input_bindiff.c_str());
NA_RETURN_IF_ERROR(CopyFile(results->input_filename_, input_bindiff));
{
NA_ASSIGN_OR_RETURN(auto database,
SqliteDatabase::Connect(input_bindiff));
DatabaseTransmuter writer(database, results->fixed_point_infos_);
NA_RETURN_IF_ERROR(results->Write(&writer));
}
std::remove(filename.c_str());
NA_RETURN_IF_ERROR(CopyFile(input_bindiff, filename));
std::remove(input_bindiff.c_str());
}
if (const std::string new_export1 = JoinPath(out_dir, Basename(export1));
export1 != new_export1) {
std::remove(new_export1.c_str());
NA_RETURN_IF_ERROR(CopyFile(export1, new_export1));
}
if (const std::string new_export2 = JoinPath(out_dir, Basename(export2));
export2 != new_export2) {
std::remove(new_export2.c_str());
NA_RETURN_IF_ERROR(CopyFile(export2, new_export2));
}
return absl::OkStatus();
}
absl::Status WriteGroundTruth(const std::string& filename) {
LOG(INFO) << "Writing to debug ground truth file...";
auto* results = Plugin::instance()->results();
GroundtruthWriter writer(filename, results->fixed_point_infos_,
results->flow_graph_infos1_,
results->flow_graph_infos2_);
return results->Write(&writer);
}
bool DoSaveResultsLog() {
if (!CheckHaveResultsWithMessage()) {
return false;
}
auto* results = Plugin::instance()->results();
if (results->is_incomplete()) {
info("AUTOHIDE NONE\nSaving to log is not supported for loaded results.");
return false;
}
const std::string default_filename =
absl::StrCat(results->call_graph1_.GetFilename(), "_vs_",
results->call_graph2_.GetFilename(), ".results");
absl::StatusOr<std::string> filename =
GetSaveFilename("Save Log As", default_filename,
{{"BinDiff Result Log files", "*.results"},
{"All files", kAllFilesFilter}});
if (!filename.ok()) {
return false;
}
WaitBox wait_box("Writing results...");
Timer<> timer;
LOG(INFO) << "Writing to log...";
ResultsLogWriter writer(*filename);
if (absl::Status status = results->Write(&writer); !status.ok()) {
throw std::runtime_error(std::string(status.message()));
}
LOG(INFO) << absl::StrCat("done (", HumanReadableDuration(timer.elapsed()),
")");
return true;
}
bool DoSaveResults() {
if (!CheckHaveResultsWithMessage()) {
return false;
}
auto* results = Plugin::instance()->results();
// If we have loaded results, input_filename_ will be non-empty.
const std::string default_filename =
results->input_filename_.empty()
? absl::StrCat(results->call_graph1_.GetFilename(), "_vs_",
results->call_graph2_.GetFilename(), ".BinDiff")
: results->input_filename_;
absl::StatusOr<std::string> filename =
GetSaveFilename("Save Results As", default_filename,
{{"BinDiff Result files", "*.BinDiff"},
{"BinDiff Groundtruth files", "*.truth"}});
if (!filename.ok()) {
return false;
}
WaitBox wait_box("Writing results...");
Timer<> timer;
absl::Status status;
if (absl::AsciiStrToLower(GetFileExtension(*filename)) == ".TRUTH") {
status = WriteGroundTruth(*filename);
} else {
status = WriteResults(*filename);
}
if (!status.ok()) {
std::string error_message =
absl::StrCat("Error writing results: ", status.message());
LOG(INFO) << error_message;
warning("%s\n", error_message.c_str());
return false;
}
LOG(INFO) << absl::StrCat("done (", HumanReadableDuration(timer.elapsed()),
")");
return true;
}
absl::Status Plugin::ClearResults() {
NA_ASSIGN_OR_RETURN(results_, Results::Create());
return absl::OkStatus();
}
bool Plugin::LoadResults() {
try {
if (results_ && results_->is_modified()) {
const int answer = ask_yn(
ASKBTN_YES,
"Current diff results have not been saved - save before closing?");
if (answer == 1) { // yes
DoSaveResults();
} else if (answer == -1) { // cancel
return false;
}
}
absl::StatusOr<std::string> filename =
GetOpenFilename("Load Results", "*.BinDiff",
{{"BinDiff Result files", "*.BinDiff"},
{"All files", kAllFilesFilter}});
if (!filename.ok()) {
return false;
}
LOG(INFO) << "Loading results...";
WaitBox wait_box("Loading results...");
Timer<> timer;
auto temp_dir = GetOrCreateTempDirectory("BinDiff");
if (!temp_dir.ok()) {
throw std::runtime_error(std::string(temp_dir.status().message()));
}
auto database = SqliteDatabase::Connect(*filename);
if (!database.ok()) {
throw std::runtime_error(std::string(database.status().message()));
}
DatabaseReader reader(*database, *filename, *temp_dir);
auto status = ClearResults();
if (!status.ok()) {
throw std::runtime_error(std::string(status.message()));
}
results_->Read(&reader);
auto sha256_or = GetInputFileSha256();
status = sha256_or.status();
std::string this_hash;
if (status.ok()) {
this_hash = std::move(sha256_or).value();
} else {
auto md5_or = GetInputFileMd5();
status = md5_or.status();
if (status.ok()) {
this_hash = std::move(md5_or).value();
}
}
if (this_hash.empty()) {
throw std::runtime_error(std::string(status.message()));
}
if (this_hash !=
absl::AsciiStrToLower(results_->call_graph1_.GetExeHash())) {
const std::string result_primary_hash =
results_->call_graph1_.GetExeHash();
const std::string result_primary_filename =
results_->call_graph1_.GetExeFilename();
LOG(INFO) << "The original file hash from the database that is currently "
"loaded is different";
LOG(INFO) << "from the primary one in the result file:";
LOG(INFO) << " " << this_hash << " (this IDB)";
LOG(INFO) << " " << result_primary_hash << " ("
<< result_primary_filename << ", to be loaded)";
if (ask_buttons("Continue", "Cancel", "", ASKBTN_BTN1,
"HIDECANCEL\n"
"The original file hash from the database that is "
"currently loaded is different\n"
"from the primary one in the result file:\n"
" %s (this IDB)\n"
" %s (%s, to be loaded)\n\n"
"If you continue, the results will likely be inaccurate.",
this_hash.c_str(), result_primary_hash.c_str(),
result_primary_filename.c_str()) != ASKBTN_BTN1) {
return false;
}
}
ShowResults(kResultsShowAll);
LOG(INFO) << absl::StrCat("done (", HumanReadableDuration(timer.elapsed()),
")");
return true;
} catch (const std::exception& error_message) {
LOG(INFO) << "Error loading results: " << error_message.what();
warning("Error loading results: %s\n", error_message.what());
} catch (...) {
LOG(INFO) << "Error loading results.";
warning("Error loading results.");
}
results_.reset();
return false;
}
void idaapi ButtonDiffDatabaseCallback(int /* button_code */,
form_actions_t& actions) {
if (DoDiffDatabase(/*filtered=*/false)) {
actions.close(/*close_normally=*/1);
}
}
void idaapi ButtonDiffDatabaseFilteredCallback(int /* button_code */,
form_actions_t& actions) {
if (DoDiffDatabase(/*filtered=*/true)) {
actions.close(/*close_normally=*/1);
}
}
void idaapi ButtonRediffDatabaseCallback(int /* button_code */,
form_actions_t& actions) {
if (DoRediffDatabase()) {
actions.close(/*close_normally=*/1);
}
}
void idaapi ButtonLoadResultsCallback(int /* button_code */,
form_actions_t& actions) {
if (Plugin::instance()->LoadResults()) {
actions.close(/*close_normally=*/1);
}
}
void idaapi ButtonSaveResultsCallback(int /* button_code */,
form_actions_t& actions) {
if (DoSaveResults()) {
actions.close(/*close_normally=*/1);
}
}
#ifndef NDEBUG
void idaapi ButtonSaveResultsLogCallback(int /* button_code */,
form_actions_t& actions) {
if (DoSaveResultsLog()) {
actions.close(/*close_normally=*/1);
}
}
#endif
void idaapi ButtonPortCommentsCallback(int /* button_code */,
form_actions_t& actions) {
if (DoPortComments()) {
actions.close(/*close_normally=*/1);
}
}
class DiffDatabaseAction : public ActionHandlerWithIdb<DiffDatabaseAction> {
int idaapi activate(action_activation_ctx_t*) override {
return DoDiffDatabase(/*filtered=*/false); // Refresh windows on success
}
};
class LoadResultsAction : public ActionHandlerWithIdb<LoadResultsAction> {
int idaapi activate(action_activation_ctx_t*) override {
return Plugin::instance()->LoadResults(); // Refresh if user did not cancel
}
};
class SaveResultsAction : public ActionHandlerWithResults<SaveResultsAction> {
int idaapi activate(action_activation_ctx_t*) override {
return DoSaveResults(); // Refresh if user did not cancel
}
};
class ShowMatchedAction : public ActionHandlerWithResults<ShowMatchedAction> {
int idaapi activate(action_activation_ctx_t*) override {
Plugin::instance()->ShowResults(Plugin::kResultsShowMatched);
return 0;
}
};
class ShowStatisticsAction
: public ActionHandlerWithResults<ShowStatisticsAction> {
int idaapi activate(action_activation_ctx_t*) override {
Plugin::instance()->ShowResults(Plugin::kResultsShowStatistics);
return 0;
}
};
class ShowPrimaryUnmatchedAction
: public ActionHandlerWithResults<ShowPrimaryUnmatchedAction> {
int idaapi activate(action_activation_ctx_t*) override {
Plugin::instance()->ShowResults(Plugin::kResultsShowPrimaryUnmatched);
return 0;
}
};
class ShowSecondaryUnmatchedAction
: public ActionHandlerWithResults<ShowSecondaryUnmatchedAction> {
int idaapi activate(action_activation_ctx_t*) override {
Plugin::instance()->ShowResults(Plugin::kResultsShowSecondaryUnmatched);
return 0;
}
};
int idaapi ViewCallGraphAction::activate(action_activation_ctx_t* context) {
const auto& chooser_selection = context->chooser_selection;
if (chooser_selection.empty()) {
// Require a selection so the UI can center the call graph on the match.
return 0;
}
Plugin::instance()->VisualDiff(chooser_selection.front(),
/*call_graph_diff=*/true);
return 1;
}