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update httparse for uninit header parsing (#2374)

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fakeshadow 2021-08-29 08:42:22 +08:00 committed by GitHub
parent 5f412c67db
commit ff07816b65
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2 changed files with 12 additions and 5 deletions
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2
actix-http/Cargo.toml
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@ -59,7 +59,7 @@ futures-core = { version = "0.3.7", default-features = false, features = ["alloc
futures-util = { version = "0.3.7", default-features = false, features = ["alloc", "sink"] }
h2 = "0.3.1"
http = "0.2.2"
httparse = "1.3"
httparse = "1.5.1"
itoa = "0.4"
language-tags = "0.3"
local-channel = "0.1"

15
actix-http/src/h1/decoder.rs
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@ -1,4 +1,4 @@
use std::{convert::TryFrom, io, marker::PhantomData, task::Poll};
use std::{convert::TryFrom, io, marker::PhantomData, mem::MaybeUninit, task::Poll};
use actix_codec::Decoder;
use bytes::{Bytes, BytesMut};
@ -212,10 +212,17 @@ impl MessageType for Request {
let mut headers: [HeaderIndex; MAX_HEADERS] = EMPTY_HEADER_INDEX_ARRAY;
let (len, method, uri, ver, h_len) = {
let mut parsed: [httparse::Header<'_>; MAX_HEADERS] = EMPTY_HEADER_ARRAY;
// SAFETY:
// Create an uninitialized array of `MaybeUninit`. The `assume_init` is
// safe because the type we are claiming to have initialized here is a
// bunch of `MaybeUninit`s, which do not require initialization.
let mut parsed = unsafe {
MaybeUninit::<[MaybeUninit<httparse::Header<'_>>; MAX_HEADERS]>::uninit()
.assume_init()
};
let mut req = httparse::Request::new(&mut parsed);
match req.parse(src)? {
let mut req = httparse::Request::new(&mut []);
match req.parse_with_uninit_headers(src, &mut parsed)? {
httparse::Status::Complete(len) => {
let method = Method::from_bytes(req.method.unwrap().as_bytes())
.map_err(|_| ParseError::Method)?;