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// Copyright 2025 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
//
// http://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.
//
////////////////////////////////////////////////////////////////////////////////
import * as vscode from 'vscode';
import {println} from './logger';
import {extensionConfig} from './config';
import {isPathValidOssFuzzPath} from './ossfuzzWrappers';
import {systemSync} from './utils';
const fs = require('fs');
export async function setUpFuzzIntrospector() {
println('Setting up oss-fuzz in /tmp/');
// First check if we already have Fuzz Introspector installed.
const tmpOssFuzzRepositoryPath = '/tmp/fi-tmp-env';
if ((await isPathValidOssFuzzPath(tmpOssFuzzRepositoryPath)) === true) {
println('Fuzz Introspector virtual env already exists in /tmp/fi-tmp-env');
extensionConfig.ossFuzzPepositoryWorkPath = tmpOssFuzzRepositoryPath;
return;
}
const cmdToExec = 'python3.11';
const args: Array<string> = ['-m', 'virtualenv', tmpOssFuzzRepositoryPath];
const [res, output] = await systemSync(cmdToExec, args);
if (res === false) {
println('Failed to create virtual environment');
println(output);
return;
}
const cmdToExec2 = '/tmp/fi-tmp-env/bin/python3.11';
const args2: Array<string> = [
'-m',
'pip',
'install',
'fuzz-introspector==0.1.6',
];
const [res2, output2] = await systemSync(cmdToExec2, args2);
if (res2 === false) {
println('Failed to create virtual environment');
println(output2);
return;
}
}
export async function runFuzzIntrospector() {
println('Setting up oss-fuzz in /tmp/');
const workspaceFolder = vscode.workspace.workspaceFolders;
if (!workspaceFolder) {
return;
}
const pathOfLocal = workspaceFolder[0].uri.fsPath;
println('path of local: ' + pathOfLocal);
// First check if we already have Fuzz Introspector installed.
const tmpOssFuzzRepositoryPath = '/tmp/fi-tmp-env';
if ((await isPathValidOssFuzzPath(tmpOssFuzzRepositoryPath)) === true) {
println('Fuzz Introspector virtual env already exists in /tmp/fi-tmp-env');
extensionConfig.ossFuzzPepositoryWorkPath = tmpOssFuzzRepositoryPath;
return;
}
await systemSync('mkdir', ['-p', '/tmp/out-fi/']);
const cmdToExec = '/tmp/fi-tmp-env/bin/fuzz-introspector';
const args: Array<string> = [
'full',
'--target_dir=' + pathOfLocal,
'--out-dir=/tmp/out-fi',
];
const [res, output] = await systemSync(cmdToExec, args);
if (res === false) {
println('Failed run FI');
println(output);
return;
}
}
export async function getOptimalTargetsFromIntrospector() {
if (!fs.existsSync('/tmp/out-fi/summary.json')) {
println('There are no introspector reports. Please run introspector first');
}
const json_data = fs.readFileSync('/tmp/out-fi/summary.json');
// println(json_data);
const jsonCodeCoverage = JSON.parse(json_data);
println('Optimal targets');
Object.entries(jsonCodeCoverage['analyses']['OptimalTargets']).forEach(
entry => {
const [key, value] = entry;
const objectDictionary: any = value as any;
println(JSON.stringify(objectDictionary, null, 2));
}
);
println('--------------------------');
return;
}
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