Backport official GLib iterator safety fix for Linux desktop
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|
||||
version = "1.0.27"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "a2c754d6c33795a1c324727428e5a7dedb5b06195f9890bdbcba760d3e246563"
|
||||
|
||||
[[package]]
|
||||
name = "version-compare"
|
||||
version = "0.2.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "03c2856837ef78f57382f06b2b8563a2f512f7185d732608fd9176cb3b8edf0e"
|
||||
|
||||
[[package]]
|
||||
name = "version_check"
|
||||
version = "0.9.5"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
|
||||
dependencies = [
|
||||
"winapi-i686-pc-windows-gnu",
|
||||
"winapi-x86_64-pc-windows-gnu",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "winapi-i686-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-x86_64-pc-windows-gnu"
|
||||
version = "0.4.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
|
||||
|
||||
[[package]]
|
||||
name = "winnow"
|
||||
version = "0.5.40"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "f593a95398737aeed53e489c785df13f3618e41dbcd6718c6addbf1395aa6876"
|
||||
dependencies = [
|
||||
"memchr",
|
||||
]
|
||||
@@ -0,0 +1,10 @@
|
||||
[package]
|
||||
name = "searchi-glib-regression"
|
||||
version = "0.1.0"
|
||||
edition = "2021"
|
||||
publish = false
|
||||
|
||||
[workspace]
|
||||
|
||||
[dependencies]
|
||||
glib = { path = "../../apps/desktop/src-tauri/vendor/glib" }
|
||||
@@ -0,0 +1,28 @@
|
||||
# Optimized GLib backport regression
|
||||
|
||||
Run on native Linux with the GLib development headers and the normal Rust
|
||||
toolchain. This isolated harness selects searchi's exact vendored GLib crate.
|
||||
|
||||
Before building, verify all upstream bytes and the exact patch against the
|
||||
official crate archive already available in the Cargo download cache:
|
||||
|
||||
```sh
|
||||
python tools/glib-regression/verify_vendor.py /path/to/glib-0.18.5.crate
|
||||
```
|
||||
|
||||
This reads the archive without extracting it or changing the Cargo cache and
|
||||
rejects extra, missing or unexpectedly changed vendor files.
|
||||
|
||||
```sh
|
||||
cargo test --manifest-path tools/glib-regression/Cargo.toml --release --locked --jobs 1
|
||||
```
|
||||
|
||||
The release profile is essential: the upstream defect was sensitive to compiler
|
||||
optimization. Tests exercise all five affected iterator operations, Unicode,
|
||||
empty arrays, exhaustion and exact-size behavior. A compile-fail doctest verifies
|
||||
borrowed strings cannot outlive their owning variant. No embeddings, media
|
||||
decoders, network inference or GPU providers are used.
|
||||
|
||||
This harness does not replace a native desktop build/interaction check or an
|
||||
advisory audit. Record actual execution and selected package identity before
|
||||
calling the local backport validated.
|
||||
@@ -0,0 +1,64 @@
|
||||
//! Optimized Linux regression for the reviewed GLib iterator backport.
|
||||
//! Borrowed strings must never escape their owning variant:
|
||||
//! ```compile_fail,E0597
|
||||
//! use glib::prelude::*;
|
||||
//! let escaped;
|
||||
//! {
|
||||
//! let owner = ["hello"].to_variant();
|
||||
//! escaped = owner.array_iter_str().unwrap().next().unwrap();
|
||||
//! }
|
||||
//! println!("{escaped}");
|
||||
//! ```
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use glib::prelude::*;
|
||||
|
||||
#[test]
|
||||
fn unicode_forward_reverse_and_last() {
|
||||
let owner = ["Gemäß", "日本", "😀", "tail"].to_variant();
|
||||
let expected = ["Gemäß", "日本", "😀", "tail"];
|
||||
assert_eq!(
|
||||
owner.array_iter_str().unwrap().collect::<Vec<_>>(),
|
||||
expected
|
||||
);
|
||||
assert_eq!(
|
||||
owner.array_iter_str().unwrap().rev().collect::<Vec<_>>(),
|
||||
expected.into_iter().rev().collect::<Vec<_>>()
|
||||
);
|
||||
assert_eq!(owner.array_iter_str().unwrap().last(), Some("tail"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn mixed_ends_exact_size_and_fused_exhaustion() {
|
||||
let owner = ["zero", "one", "two", "three", "four", "five"].to_variant();
|
||||
let mut iter = owner.array_iter_str().unwrap();
|
||||
assert_eq!(iter.size_hint(), (6, Some(6)));
|
||||
assert_eq!(iter.next(), Some("zero"));
|
||||
assert_eq!(iter.next_back(), Some("five"));
|
||||
assert_eq!(iter.nth(1), Some("two"));
|
||||
assert_eq!(iter.nth_back(0), Some("four"));
|
||||
assert_eq!(iter.len(), 1);
|
||||
assert_eq!(iter.next(), Some("three"));
|
||||
for _ in 0..3 {
|
||||
assert_eq!(iter.next(), None);
|
||||
assert_eq!(iter.next_back(), None);
|
||||
assert_eq!(iter.len(), 0);
|
||||
}
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn empty_and_out_of_range() {
|
||||
let empty: [&str; 0] = [];
|
||||
let owner = empty.to_variant();
|
||||
assert_eq!(owner.array_iter_str().unwrap().last(), None);
|
||||
assert_eq!(owner.array_iter_str().unwrap().next_back(), None);
|
||||
let owner = ["first", "second"].to_variant();
|
||||
let mut iter = owner.array_iter_str().unwrap();
|
||||
assert_eq!(iter.nth(usize::MAX), None);
|
||||
assert_eq!(iter.next(), None);
|
||||
let mut iter = owner.array_iter_str().unwrap();
|
||||
assert_eq!(iter.nth_back(usize::MAX), None);
|
||||
assert_eq!(iter.next_back(), None);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,65 @@
|
||||
"""Check the complete vendored crate against the pinned official archive.
|
||||
|
||||
Usage: python tools/glib-regression/verify_vendor.py PATH_TO_glib-0.18.5.crate
|
||||
Reads archive members without extracting them or modifying the Cargo cache.
|
||||
"""
|
||||
import hashlib
|
||||
import io
|
||||
import json
|
||||
from pathlib import Path
|
||||
import sys
|
||||
import tarfile
|
||||
|
||||
ARCHIVE_SHA = "233daaf6e83ae6a12a52055f568f9d7cf4671dabb78ff9560ab6da230ce00ee5"
|
||||
PREFIX = "glib-0.18.5/"
|
||||
MODIFIED = "src/variant_iter.rs"
|
||||
|
||||
|
||||
def verify(archive_path, vendor_root, record_path):
|
||||
archive = archive_path.read_bytes()
|
||||
if hashlib.sha256(archive).hexdigest() != ARCHIVE_SHA:
|
||||
raise ValueError("Official archive checksum mismatch")
|
||||
originals = {}
|
||||
with tarfile.open(fileobj=io.BytesIO(archive), mode="r:gz") as source:
|
||||
for member in source:
|
||||
if member.isdir():
|
||||
continue
|
||||
if not member.isfile() or not member.name.startswith(PREFIX):
|
||||
raise ValueError("Unexpected archive member")
|
||||
name = member.name[len(PREFIX):]
|
||||
path = Path(name)
|
||||
if path.is_absolute() or ".." in path.parts or name in originals:
|
||||
raise ValueError("Invalid or duplicate archive path")
|
||||
originals[name] = source.extractfile(member).read()
|
||||
actual_paths = {p.relative_to(vendor_root).as_posix()
|
||||
for p in vendor_root.rglob("*") if p.is_file()}
|
||||
if actual_paths != set(originals):
|
||||
raise ValueError("Vendored file inventory differs from official crate")
|
||||
record = json.loads(record_path.read_text(encoding="utf-8"))
|
||||
records = {row["path"]: row for row in record["files"]}
|
||||
if (record["archive_sha256"] != ARCHIVE_SHA or
|
||||
len(records) != len(record["files"]) or set(records) != set(originals)):
|
||||
raise ValueError("Provenance inventory differs")
|
||||
for name, original in originals.items():
|
||||
expected = original
|
||||
if name == MODIFIED:
|
||||
for before, after in [(b"let p: *mut libc::c_char", b"let mut p: *mut libc::c_char"),
|
||||
(b" &p,", b" &mut p,")]:
|
||||
if expected.count(before) != 1:
|
||||
raise ValueError("Upstream patch context differs")
|
||||
expected = expected.replace(before, after, 1)
|
||||
actual = (vendor_root / name).read_bytes()
|
||||
if actual != expected:
|
||||
raise ValueError("Unexpected vendor modification: " + name)
|
||||
if (records[name]["upstream_sha256"] != hashlib.sha256(original).hexdigest() or
|
||||
records[name]["patched_sha256"] != hashlib.sha256(actual).hexdigest()):
|
||||
raise ValueError("Provenance checksum mismatch: " + name)
|
||||
return len(originals)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
root = Path(__file__).resolve().parents[2]
|
||||
vendor = root / "apps/desktop/src-tauri/vendor"
|
||||
count = verify(Path(sys.argv[1]), vendor / "glib",
|
||||
vendor / "glib-backport/SEARCHI-BACKPORT.json")
|
||||
print(f"Verified {count} official files; only the exact two-line upstream fix differs.")
|
||||
Reference in new issue
Block a user