File size: 9,792 Bytes
5f25733 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 | """Exercise native MSVC DLL preparation and restricted-search loading."""
import json
import os
from pathlib import Path
import platform
import shutil
import struct
import subprocess
import sys
import tempfile
import unittest
from runtime import PLUGINS, digest
from windows_runtime import inspect, project
@unittest.skipUnless(sys.platform == "win32", "Windows native runtime preparation")
class RuntimeTests(unittest.TestCase):
def setUp(self):
temporary = tempfile.TemporaryDirectory(prefix="native voice ")
self.addCleanup(temporary.cleanup)
self.root = Path(temporary.name)
self.prefix, self.receipts, self.output = (
self.root / name for name in ("input", "receipts", "runtime")
)
self.target = (
"aarch64"
if platform.machine().lower() in ("arm64", "aarch64")
else "x86_64"
) + "-pc-windows-msvc"
(self.prefix / "lib/gstreamer-1.0").mkdir(parents=True)
(self.prefix / "bin").mkdir()
(self.receipts / "inspection").mkdir(parents=True)
source = self.root / "fixture.c"
source.write_text(
"__declspec(dllexport) int voice_fixture(void) { return 42; }\n"
)
self.library = self.prefix / "bin/fixture.dll"
import_library = self.root / "fixture.lib"
subprocess.run(
[
"cl",
"/nologo",
"/LD",
"/MD",
str(source),
"/link",
f"/OUT:{self.library}",
f"/IMPLIB:{import_library}",
],
check=True,
capture_output=True,
cwd=self.root,
)
shutil.copy2(self.library, self.prefix / "bin/gio-2.0-0.dll")
source = self.root / "plugin.c"
source.write_text(
"__declspec(dllimport) int voice_fixture(void); "
"__declspec(dllexport) int voice_plugin(void) { return voice_fixture(); }\n"
)
for name in PLUGINS:
plugin = self.prefix / f"lib/gstreamer-1.0/gst{name}.dll"
subprocess.run(
[
"cl",
"/nologo",
"/LD",
"/MD",
str(source),
str(import_library),
"/link",
f"/OUT:{plugin}",
f"/IMPLIB:{self.root / (name + '.lib')}",
],
check=True,
capture_output=True,
cwd=self.root,
)
self.inventory_path = self.receipts / "inspection/binaries.json"
self.inventory = [
{
"path": str(p.relative_to(self.prefix)),
"sha256": digest(p),
"target": self.target,
}
for p in sorted(self.prefix.rglob("*.dll"))
]
self.inventory_path.write_text(json.dumps(self.inventory))
(self.receipts / "ci.json").write_text(
json.dumps(
{
"commit": "a" * 40,
"target": self.target,
"build_complete": True,
"inspection_complete": True,
"manifest_sha256": digest(Path(__file__).with_name("sources.json")),
}
)
)
def test_receipts_match_across_checkout_line_endings(self):
source = Path(__file__).with_name("sources.json")
checkout = self.root / "checkout"
manifest = checkout / "third_party/voice/sources.json"
manifest.parent.mkdir(parents=True)
manifest.write_bytes(source.read_bytes().replace(b"\r\n", b"\n"))
shutil.copy2(source.parents[2] / ".gitattributes", checkout)
git = ["git", "-C", str(checkout), "-c", "core.autocrlf=false"]
subprocess.run([*git, "init", "-q"], check=True, capture_output=True)
subprocess.run([*git, "add", "."], check=True, capture_output=True)
hashes = []
for autocrlf in ("true", "false"):
manifest.unlink()
subprocess.run(
[*git, "-c", f"core.autocrlf={autocrlf}", "checkout-index", "-a", "-f"],
check=True,
capture_output=True,
)
hashes.append(digest(manifest))
self.assertEqual(hashes, [digest(source), digest(source)])
receipt_path = self.receipts / "ci.json"
receipt = json.loads(receipt_path.read_text())
receipt["manifest_sha256"] = hashes[0]
receipt_path.write_text(json.dumps(receipt))
project(self.prefix, self.receipts, self.target, self.output)
def test_moved_dlls_load_with_private_directory_and_system_search_only(self):
subprocess.run(
[
sys.executable,
str(Path(__file__).with_name("windows_runtime.py").resolve()),
"--prefix",
str(self.prefix),
"--receipts",
str(self.receipts),
"--target",
self.target,
"--output",
str(self.output),
],
check=True,
capture_output=True,
cwd=self.root,
env={**os.environ, "PYTHONSAFEPATH": "1"},
)
self.assertEqual(
{r["path"]: digest(self.prefix / r["path"]) for r in self.inventory},
{r["path"]: r["sha256"] for r in self.inventory},
)
moved = self.root / "moved runtime"
self.output.rename(moved)
shutil.rmtree(self.prefix)
result = subprocess.run(
[
sys.executable,
"-c",
"import ctypes,json,pathlib,sys; root=pathlib.Path(sys.argv[1]); "
"manifest=json.loads((root/'runtime.json').read_text()); "
"print([ctypes.CDLL(str(root/p),winmode=0x100|0x800).voice_plugin() for p in manifest['plugins']])",
str(moved),
],
check=True,
capture_output=True,
text=True,
cwd=self.root,
)
self.assertEqual(json.loads(result.stdout), [42] * len(PLUGINS))
manifest = json.loads((moved / "runtime.json").read_text())
self.assertEqual(
{record["path"] for record in manifest["libraries"]},
{
"bin/fixture.dll",
"bin/gio-2.0-0.dll",
*(f"bin/gst{name}.dll" for name in PLUGINS),
},
)
for record in manifest["libraries"]:
self.assertEqual(digest(moved / record["path"]), record["sourceSha256"])
def test_missing_dependency_and_digest_mismatch_leave_no_output(self):
for records in (
[r for r in self.inventory if "gio-2.0" not in r["path"]],
[r for r in self.inventory if "fixture.dll" not in r["path"]],
[{**r, "sha256": "b" * 64} for r in self.inventory],
):
with self.subTest(records=records), self.assertRaises(ValueError):
self.inventory_path.write_text(json.dumps(records))
project(self.prefix, self.receipts, self.target, self.output)
self.assertFalse(self.output.exists())
def test_case_alias_dll_identities_are_rejected(self):
duplicate = self.prefix / "lib/FIXTURE.dll"
shutil.copy2(self.library, duplicate)
records = self.inventory + [
{
"path": str(duplicate.relative_to(self.prefix)),
"sha256": digest(duplicate),
"target": self.target,
}
]
self.inventory_path.write_text(json.dumps(records))
with self.assertRaisesRegex(ValueError, "duplicate"):
project(self.prefix, self.receipts, self.target, self.output)
self.assertFalse(self.output.exists())
def test_malformed_headers_and_delayed_imports_are_rejected(self):
original = self.library.read_bytes()
pe = struct.unpack_from("<I", original, 60)[0]
for offset, replacement in (
(60, struct.pack("<I", len(original))),
(pe + 4, b"\0\0"),
(pe + 6, b"\xff\xff"),
(pe + 24 + 112 + 13 * 8, struct.pack("<II", 1, 32)),
):
data = bytearray(original)
data[offset : offset + len(replacement)] = replacement
self.library.write_bytes(data)
with self.subTest(offset=offset), self.assertRaises(ValueError):
inspect(self.library, self.target)
def test_path_bearing_import_is_rejected(self):
plugin = self.prefix / "lib/gstreamer-1.0/gstapp.dll"
original = plugin.read_bytes()
self.assertIn(b"fixture.dll\0", original)
plugin.write_bytes(original.replace(b"fixture.dll\0", b"/ixture.dll\0"))
with self.assertRaisesRegex(ValueError, "plain DLL names"):
inspect(plugin, self.target)
def test_forwarded_exports_are_rejected(self):
definition = self.root / "forward.def"
definition.write_text("EXPORTS\nforwarded=KERNEL32.Sleep\n")
destination = self.root / "forward.dll"
machine = "ARM64" if self.target.startswith("aarch64") else "X64"
subprocess.run(
[
"link",
"/NOLOGO",
"/DLL",
"/NOENTRY",
f"/MACHINE:{machine}",
f"/DEF:{definition}",
f"/OUT:{destination}",
],
check=True,
capture_output=True,
cwd=self.root,
)
with self.assertRaisesRegex(ValueError, "forwarded DLL exports"):
inspect(destination, self.target)
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