mirror of
https://github.com/vercel-labs/scriptc.git
synced 2026-10-24 06:14:01 +08:00
Chris Tate
23b6cb8819
createHash, createHmac, crypto.hash, pbkdf2, pbkdf2Sync, hkdf and hkdfSync accept every digest crypto.getHashes() lists in Node 24: SHA-512/224, SHA-512/256, SHA-256/192, SHA3-224 to SHA3-512, Keccak-224 to Keccak-512, SHAKE128, SHAKE256, KECCAK-KMAC-128, KECCAK-KMAC-256, RIPEMD-160, BLAKE2b-512, BLAKE2s-256, SM3 and MD5-SHA1. The new runtime unit scr_hash.c implements Keccak, RIPEMD-160, BLAKE2b, BLAKE2s and SM3, and is registered in both runtime pack matrices and the C-compile path. Names resolve as Node 24.22 resolves them: case-insensitively, with OpenSSL's provider aliases and object identifiers, ending at the first NUL, and with trailing spaces allowed except on the RSA signature aliases. "dss1" and "DSS1" are SHA-1, and createHash and crypto.hash accept "dss1" in any case. The compiler no longer refuses literal digest names outside SHA-1/SHA-2 and MD5; unknown names throw Node's errors at run time. SHAKE and KMAC digests use their default output lengths. createHmac rejects them with Node's OpenSSL error, pbkdf2 with "xof digests not allowed", and hkdf with "Deriving bits failed". pbkdf2 with a key length of 0 now fails with "Deriving bits failed" as in Node 24.22, and the callback forms pass these failures to the callback. PBKDF2 computes the keyed HMAC states once instead of on every iteration, and digest contexts are cleared with memset and a compiler barrier instead of a byte loop. The Keccak permutation, the RIPEMD-160 and BLAKE2 compression functions and the SM3 rounds are unrolled with constant indices.
93 lines
3.4 KiB
TypeScript
93 lines
3.4 KiB
TypeScript
import { execFile } from "node:child_process";
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import { mkdir, mkdtemp, rm } from "node:fs/promises";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import { promisify } from "node:util";
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import { afterAll, beforeAll, expect, test } from "vitest";
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const execFileAsync = promisify(execFile);
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const testDir = import.meta.dirname;
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const bin = join(testDir, "build", "test_bytes");
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let scratch: string;
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// Compiled once with ASan + the RC audit: the assertions in test_bytes.c
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// cover the ToUint8/ToUint32 coercion matrix, ToIndex construction,
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// slice/set copies, the utf8/hex/base64 conversions (invalid-utf8
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// replacement included), concat, the u32be pair, the fs Buffer round trip,
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// zlib deflate/inflate, and the RC recursion through SCR_ELEM_BYTES arrays
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// — the sanitized run proves no leak/double-free across all of them.
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beforeAll(async () => {
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await mkdir(join(testDir, "build"), { recursive: true });
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await execFileAsync("clang", [
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"-std=c11",
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"-O1",
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"-Wall",
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"-Wextra",
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"-fsanitize=address,undefined",
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"-DSCR_RC_AUDIT",
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"-I",
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join(testDir, "../src"),
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"-o",
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bin,
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join(testDir, "test_bytes.c"),
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join(testDir, "../src/scr_bytes.test.c"),
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join(testDir, "../src/scr_bytes.c"),
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join(testDir, "../src/scr_shared.c"),
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join(testDir, "../src/scr_bytes_io.c"),
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join(testDir, "../src/scr_zlib.c"),
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join(testDir, "../src/scr_lib.c"),
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join(testDir, "../src/scr_hash.c"),
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join(testDir, "../src/scr_string.c"),
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join(testDir, "../src/scr_array.c"),
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join(testDir, "../src/scr_map.c"),
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join(testDir, "../src/scr_exception.c"),
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join(testDir, "../src/scr_error.c"),
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join(testDir, "../src/scr_number.c"),
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join(testDir, "../src/scr_console.c"),
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join(testDir, "../src/scr_closure.c"),
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join(testDir, "../src/scr_ffi.c"),
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join(testDir, "../src/scr_object.c"),
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join(testDir, "../src/scr_union.c"),
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join(testDir, "../src/scr_cycle.c"),
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join(testDir, "../src/scr_alloc.c"),
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join(testDir, "../src/scr_json.c"),
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join(testDir, "../src/scr_bigint.c"),
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join(testDir, "../src/scr_async.c"),
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join(testDir, "../src/scr_child.c"),
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join(testDir, "../src/scr_path.c"),
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join(testDir, "../src/scr_url.c"),
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join(testDir, "../src/scr_url_params.c"),
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"-Wno-deprecated-declarations",
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"-lz",
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...(process.platform === "linux" ? ["-D_GNU_SOURCE", "-lm"] : []),
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]);
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scratch = await mkdtemp(join(tmpdir(), "scriptc-bytes-"));
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});
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afterAll(async () => {
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if (scratch) await rm(scratch, { recursive: true, force: true });
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});
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test("bytes runtime: coercions, encodings, zlib, fs, RC", async () => {
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const { stderr } = await execFileAsync(bin, [scratch], {
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env: { ...process.env, UBSAN_OPTIONS: "halt_on_error=1" },
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});
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expect(stderr.trim().split("\n").pop()).toMatch(/^(\d+)\/\1 cases passed$/);
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});
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// Statically typed numeric reads cannot represent undefined and still trap.
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// Invalid writes are ignored and covered by the runtime assertions above.
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test.each([
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["--crash-get-oob", "typed array index 1 out of bounds (length 1)"],
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["--crash-get-frac", "typed array index 0.5 out of bounds (length 1)"],
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])("trap aborts (%s)", async (mode, message) => {
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const err = await execFileAsync(bin, [mode]).then(
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() => {
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throw new Error(`expected ${mode} to abort`);
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},
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(e: Error & { signal?: string; stderr?: string }) => e,
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);
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expect(err.signal).toBe("SIGABRT");
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expect(err.stderr).toContain(`scriptc: RangeError: ${message}`);
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});
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