openclaw/src/infra/exec-wrapper-resolution.tes...

313 lines
10 KiB
TypeScript

import { describe, expect, test } from "vitest";
import {
basenameLower,
extractShellWrapperCommand,
extractShellWrapperInlineCommand,
hasEnvManipulationBeforeShellWrapper,
isDispatchWrapperExecutable,
isShellWrapperExecutable,
normalizeExecutableToken,
resolveDispatchWrapperTrustPlan,
unwrapEnvInvocation,
unwrapKnownDispatchWrapperInvocation,
unwrapKnownShellMultiplexerInvocation,
} from "./exec-wrapper-resolution.js";
function supportsScriptPositionalCommandForTests(): boolean {
return process.platform === "darwin" || process.platform === "freebsd";
}
describe("basenameLower", () => {
test.each([
{ token: " Bun.CMD ", expected: "bun.cmd" },
{ token: "C:\\tools\\PwSh.EXE", expected: "pwsh.exe" },
{ token: "/tmp/bash", expected: "bash" },
])("normalizes basenames for %j", ({ token, expected }) => {
expect(basenameLower(token)).toBe(expected);
});
});
describe("normalizeExecutableToken", () => {
test.each([
{ token: "bun.cmd", expected: "bun" },
{ token: "deno.bat", expected: "deno" },
{ token: "pwsh.com", expected: "pwsh" },
{ token: "cmd.exe", expected: "cmd" },
{ token: "C:\\tools\\bun.cmd", expected: "bun" },
{ token: "/tmp/deno.exe", expected: "deno" },
{ token: " /tmp/bash ", expected: "bash" },
])("normalizes executable tokens for %j", ({ token, expected }) => {
expect(normalizeExecutableToken(token)).toBe(expected);
});
});
describe("wrapper classification", () => {
test.each([
{ token: "sudo", dispatch: true, shell: false },
{ token: "script", dispatch: true, shell: false },
{ token: "time", dispatch: true, shell: false },
{ token: "timeout.exe", dispatch: true, shell: false },
{ token: "bash", dispatch: false, shell: true },
{ token: "pwsh.exe", dispatch: false, shell: true },
{ token: "node", dispatch: false, shell: false },
])("classifies wrappers for %j", ({ token, dispatch, shell }) => {
expect(isDispatchWrapperExecutable(token)).toBe(dispatch);
expect(isShellWrapperExecutable(token)).toBe(shell);
});
});
describe("unwrapKnownShellMultiplexerInvocation", () => {
test.each([
{ argv: [], expected: { kind: "not-wrapper" } },
{ argv: ["node", "-e", "1"], expected: { kind: "not-wrapper" } },
{ argv: ["busybox"], expected: { kind: "blocked", wrapper: "busybox" } },
{ argv: ["busybox", "ls"], expected: { kind: "blocked", wrapper: "busybox" } },
{
argv: ["busybox", "sh", "-lc", "echo hi"],
expected: { kind: "unwrapped", wrapper: "busybox", argv: ["sh", "-lc", "echo hi"] },
},
{
argv: ["toybox", "--", "pwsh.exe", "-Command", "Get-Date"],
expected: {
kind: "unwrapped",
wrapper: "toybox",
argv: ["pwsh.exe", "-Command", "Get-Date"],
},
},
])("unwraps shell multiplexers for %j", ({ argv, expected }) => {
expect(unwrapKnownShellMultiplexerInvocation(argv)).toEqual(expected);
});
});
describe("unwrapEnvInvocation", () => {
test.each([
{
argv: ["env", "FOO=bar", "bash", "-lc", "echo hi"],
expected: ["bash", "-lc", "echo hi"],
},
{
argv: ["env", "-i", "--unset", "PATH", "--", "sh", "-lc", "echo hi"],
expected: ["sh", "-lc", "echo hi"],
},
{
argv: ["env", "--chdir=/tmp", "pwsh", "-Command", "Get-Date"],
expected: ["pwsh", "-Command", "Get-Date"],
},
{
argv: ["env", "-", "bash", "-lc", "echo hi"],
expected: ["bash", "-lc", "echo hi"],
},
{
argv: ["env", "--bogus", "bash", "-lc", "echo hi"],
expected: null,
},
{
argv: ["env", "--unset"],
expected: null,
},
])("unwraps env invocations for %j", ({ argv, expected }) => {
expect(unwrapEnvInvocation(argv)).toEqual(expected);
});
});
describe("unwrapKnownDispatchWrapperInvocation", () => {
test.each([
{
argv: ["env", "--", "bash", "-lc", "echo hi"],
expected: { kind: "unwrapped", wrapper: "env", argv: ["bash", "-lc", "echo hi"] },
},
{
argv: ["nice", "-n", "5", "bash", "-lc", "echo hi"],
expected: { kind: "unwrapped", wrapper: "nice", argv: ["bash", "-lc", "echo hi"] },
},
{
argv: ["nohup", "--", "bash", "-lc", "echo hi"],
expected: { kind: "unwrapped", wrapper: "nohup", argv: ["bash", "-lc", "echo hi"] },
},
{
argv: ["script", "-q", "/dev/null", "bash", "-lc", "echo hi"],
expected: supportsScriptPositionalCommandForTests()
? { kind: "unwrapped", wrapper: "script", argv: ["bash", "-lc", "echo hi"] }
: { kind: "blocked", wrapper: "script" },
},
{
argv: ["script", "-E", "always", "/dev/null", "bash", "-lc", "echo hi"],
expected: { kind: "blocked", wrapper: "script" },
},
{
argv: ["stdbuf", "-o", "L", "bash", "-lc", "echo hi"],
expected: { kind: "unwrapped", wrapper: "stdbuf", argv: ["bash", "-lc", "echo hi"] },
},
{
argv: ["time", "-p", "bash", "-lc", "echo hi"],
expected: { kind: "unwrapped", wrapper: "time", argv: ["bash", "-lc", "echo hi"] },
},
{
argv: ["timeout", "--signal=TERM", "5s", "bash", "-lc", "echo hi"],
expected: { kind: "unwrapped", wrapper: "timeout", argv: ["bash", "-lc", "echo hi"] },
},
{
argv: ["script", "-q", "/dev/null"],
expected: { kind: "blocked", wrapper: "script" },
},
{
argv: ["sudo", "bash", "-lc", "echo hi"],
expected: { kind: "blocked", wrapper: "sudo" },
},
{
argv: ["timeout", "--bogus", "5s", "bash", "-lc", "echo hi"],
expected: { kind: "blocked", wrapper: "timeout" },
},
])("unwraps known dispatch wrappers for %j", ({ argv, expected }) => {
expect(unwrapKnownDispatchWrapperInvocation(argv)).toEqual(expected);
});
test.each(["chrt", "doas", "ionice", "setsid", "sudo", "taskset"])(
"fails closed for blocked dispatch wrapper %s",
(wrapper) => {
expect(unwrapKnownDispatchWrapperInvocation([wrapper, "bash", "-lc", "echo hi"])).toEqual({
kind: "blocked",
wrapper,
});
},
);
});
describe("resolveDispatchWrapperTrustPlan", () => {
test("allows non-semantic env passthrough", () => {
expect(resolveDispatchWrapperTrustPlan(["env", "--", "bash", "-lc", "echo hi"])).toEqual({
argv: ["bash", "-lc", "echo hi"],
wrappers: ["env"],
policyBlocked: false,
});
});
test.each([
{
argv: ["nice", "-n", "5", "bash", "-lc", "echo hi"],
wrapper: "nice",
effectiveArgv: ["bash", "-lc", "echo hi"],
},
{
argv: ["nohup", "--", "bash", "-lc", "echo hi"],
wrapper: "nohup",
effectiveArgv: ["bash", "-lc", "echo hi"],
},
{
argv: ["stdbuf", "-o", "L", "bash", "-lc", "echo hi"],
wrapper: "stdbuf",
effectiveArgv: ["bash", "-lc", "echo hi"],
},
{
argv: ["time", "-p", "bash", "-lc", "echo hi"],
wrapper: "time",
effectiveArgv: ["bash", "-lc", "echo hi"],
},
{
argv: ["timeout", "--signal=TERM", "5s", "bash", "-lc", "echo hi"],
wrapper: "timeout",
effectiveArgv: ["bash", "-lc", "echo hi"],
},
])("keeps transparent wrapper handling in sync for %s", ({ argv, wrapper, effectiveArgv }) => {
expect(isDispatchWrapperExecutable(wrapper)).toBe(true);
expect(unwrapKnownDispatchWrapperInvocation(argv)).toEqual({
kind: "unwrapped",
wrapper,
argv: effectiveArgv,
});
expect(resolveDispatchWrapperTrustPlan(argv)).toEqual({
argv: effectiveArgv,
wrappers: [wrapper],
policyBlocked: false,
});
});
test("unwraps transparent wrapper chains", () => {
expect(
resolveDispatchWrapperTrustPlan(["nohup", "nice", "-n", "5", "bash", "-lc", "echo hi"]),
).toEqual({
argv: ["bash", "-lc", "echo hi"],
wrappers: ["nohup", "nice"],
policyBlocked: false,
});
});
test("blocks semantic env usage even when it reaches a shell wrapper", () => {
expect(resolveDispatchWrapperTrustPlan(["env", "FOO=bar", "bash", "-lc", "echo hi"])).toEqual({
argv: ["env", "FOO=bar", "bash", "-lc", "echo hi"],
wrappers: ["env"],
policyBlocked: true,
blockedWrapper: "env",
});
});
test("blocks wrapper overflow beyond the configured depth", () => {
expect(
resolveDispatchWrapperTrustPlan(["nohup", "timeout", "5s", "bash", "-lc", "echo hi"], 1),
).toEqual({
argv: ["timeout", "5s", "bash", "-lc", "echo hi"],
wrappers: ["nohup"],
policyBlocked: true,
blockedWrapper: "timeout",
});
});
});
describe("hasEnvManipulationBeforeShellWrapper", () => {
test.each([
{
argv: ["env", "FOO=bar", "bash", "-lc", "echo hi"],
expected: true,
},
{
argv: ["timeout", "5s", "env", "--", "bash", "-lc", "echo hi"],
expected: false,
},
{
argv: ["timeout", "5s", "env", "FOO=bar", "bash", "-lc", "echo hi"],
expected: true,
},
{
argv: ["sudo", "bash", "-lc", "echo hi"],
expected: false,
},
])("detects env manipulation before shell wrappers for %j", ({ argv, expected }) => {
expect(hasEnvManipulationBeforeShellWrapper(argv)).toBe(expected);
});
});
describe("extractShellWrapperCommand", () => {
test.each([
{
argv: ["bash", "-lc", "echo hi"],
expectedInline: "echo hi",
expectedCommand: { isWrapper: true, command: "echo hi" },
},
{
argv: ["busybox", "sh", "-lc", "echo hi"],
expectedInline: "echo hi",
expectedCommand: { isWrapper: true, command: "echo hi" },
},
{
argv: ["env", "--", "pwsh", "-Command", "Get-Date"],
expectedInline: "Get-Date",
expectedCommand: { isWrapper: true, command: "Get-Date" },
},
{
argv: ["bash", "script.sh"],
expectedInline: null,
expectedCommand: { isWrapper: false, command: null },
},
])("extracts inline commands for %j", ({ argv, expectedInline, expectedCommand }) => {
expect(extractShellWrapperInlineCommand(argv)).toBe(expectedInline);
expect(extractShellWrapperCommand(argv)).toEqual(expectedCommand);
});
test("prefers an explicit raw command override when provided", () => {
expect(extractShellWrapperCommand(["bash", "-lc", "echo hi"], " run this instead ")).toEqual({
isWrapper: true,
command: "run this instead",
});
});
});