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||||||
|
checksum = "ce32ea0c6c56d5eacaeb814fbed9960547021d3edd010ded1425f180536b20ab"
|
||||||
|
dependencies = [
|
||||||
|
"libc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "simp"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"anyhow",
|
||||||
|
"smtp",
|
||||||
|
"tokio",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "slab"
|
||||||
|
version = "0.4.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "smallvec"
|
||||||
|
version = "1.4.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "fbee7696b84bbf3d89a1c2eccff0850e3047ed46bfcd2e92c29a2d074d57e252"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "smtp"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"pest",
|
||||||
|
"pest_derive",
|
||||||
|
"thiserror",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "socket2"
|
||||||
|
version = "0.3.15"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "b1fa70dc5c8104ec096f4fe7ede7a221d35ae13dcd19ba1ad9a81d2cab9a1c44"
|
||||||
|
dependencies = [
|
||||||
|
"cfg-if 0.1.10",
|
||||||
|
"libc",
|
||||||
|
"redox_syscall",
|
||||||
|
"winapi",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "1.0.48"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "cc371affeffc477f42a221a1e4297aedcea33d47d19b61455588bd9d8f6b19ac"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-xid",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror"
|
||||||
|
version = "1.0.22"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0e9ae34b84616eedaaf1e9dd6026dbe00dcafa92aa0c8077cb69df1fcfe5e53e"
|
||||||
|
dependencies = [
|
||||||
|
"thiserror-impl",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror-impl"
|
||||||
|
version = "1.0.22"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9ba20f23e85b10754cd195504aebf6a27e2e6cbe28c17778a0c930724628dd56"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tokio"
|
||||||
|
version = "0.3.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e5ca08accbcb46f11fd8d2d1c6158c348b7888009a1f39260bcad66f6a454250"
|
||||||
|
dependencies = [
|
||||||
|
"autocfg",
|
||||||
|
"bytes",
|
||||||
|
"futures-core",
|
||||||
|
"lazy_static",
|
||||||
|
"libc",
|
||||||
|
"memchr",
|
||||||
|
"mio",
|
||||||
|
"num_cpus",
|
||||||
|
"parking_lot",
|
||||||
|
"pin-project-lite",
|
||||||
|
"signal-hook-registry",
|
||||||
|
"slab",
|
||||||
|
"tokio-macros",
|
||||||
|
"winapi",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "tokio-macros"
|
||||||
|
version = "0.3.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "21d30fdbb5dc2d8f91049691aa1a9d4d4ae422a21c334ce8936e5886d30c5c45"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "typenum"
|
||||||
|
version = "1.12.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "ucd-trie"
|
||||||
|
version = "0.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-xid"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
|
||||||
|
|
||||||
|
[[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"
|
||||||
|
|
@ -4,6 +4,10 @@ version = "0.1.0"
|
||||||
authors = ["Michael Zhang <iptq@protonmail.com>"]
|
authors = ["Michael Zhang <iptq@protonmail.com>"]
|
||||||
edition = "2018"
|
edition = "2018"
|
||||||
|
|
||||||
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
[workspace]
|
||||||
|
members = ["smtp"]
|
||||||
|
|
||||||
[dependencies]
|
[dependencies]
|
||||||
|
anyhow = "1.0.34"
|
||||||
|
smtp = { path = "smtp" }
|
||||||
|
tokio = { version = "0.3.3", features = ["full"] }
|
||||||
|
|
|
||||||
4
fuzz/.gitignore
vendored
Normal file
4
fuzz/.gitignore
vendored
Normal file
|
|
@ -0,0 +1,4 @@
|
||||||
|
|
||||||
|
target
|
||||||
|
corpus
|
||||||
|
artifacts
|
||||||
231
fuzz/Cargo.lock
generated
Normal file
231
fuzz/Cargo.lock
generated
Normal file
|
|
@ -0,0 +1,231 @@
|
||||||
|
# This file is automatically @generated by Cargo.
|
||||||
|
# It is not intended for manual editing.
|
||||||
|
[[package]]
|
||||||
|
name = "arbitrary"
|
||||||
|
version = "0.4.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "db55d72333851e17d572bec876e390cd3b11eb1ef53ae821dd9f3b653d2b4569"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "block-buffer"
|
||||||
|
version = "0.7.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
|
||||||
|
dependencies = [
|
||||||
|
"block-padding",
|
||||||
|
"byte-tools",
|
||||||
|
"byteorder",
|
||||||
|
"generic-array",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "block-padding"
|
||||||
|
version = "0.1.5"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
|
||||||
|
dependencies = [
|
||||||
|
"byte-tools",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "byte-tools"
|
||||||
|
version = "0.3.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "byteorder"
|
||||||
|
version = "1.3.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "cc"
|
||||||
|
version = "1.0.62"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f1770ced377336a88a67c473594ccc14eca6f4559217c34f64aac8f83d641b40"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "digest"
|
||||||
|
version = "0.8.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
|
||||||
|
dependencies = [
|
||||||
|
"generic-array",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "fake-simd"
|
||||||
|
version = "0.1.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "generic-array"
|
||||||
|
version = "0.12.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
|
||||||
|
dependencies = [
|
||||||
|
"typenum",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "libfuzzer-sys"
|
||||||
|
version = "0.3.4"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "ee8c42ab62f43795ed77a965ed07994c5584cdc94fd0ebf14b22ac1524077acc"
|
||||||
|
dependencies = [
|
||||||
|
"arbitrary",
|
||||||
|
"cc",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "maplit"
|
||||||
|
version = "1.0.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "opaque-debug"
|
||||||
|
version = "0.2.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "pest"
|
||||||
|
version = "2.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "10f4872ae94d7b90ae48754df22fd42ad52ce740b8f370b03da4835417403e53"
|
||||||
|
dependencies = [
|
||||||
|
"ucd-trie",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "pest_derive"
|
||||||
|
version = "2.1.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "833d1ae558dc601e9a60366421196a8d94bc0ac980476d0b67e1d0988d72b2d0"
|
||||||
|
dependencies = [
|
||||||
|
"pest",
|
||||||
|
"pest_generator",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "pest_generator"
|
||||||
|
version = "2.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "99b8db626e31e5b81787b9783425769681b347011cc59471e33ea46d2ea0cf55"
|
||||||
|
dependencies = [
|
||||||
|
"pest",
|
||||||
|
"pest_meta",
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "pest_meta"
|
||||||
|
version = "2.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "54be6e404f5317079812fc8f9f5279de376d8856929e21c184ecf6bbd692a11d"
|
||||||
|
dependencies = [
|
||||||
|
"maplit",
|
||||||
|
"pest",
|
||||||
|
"sha-1",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "proc-macro2"
|
||||||
|
version = "1.0.24"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
|
||||||
|
dependencies = [
|
||||||
|
"unicode-xid",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "quote"
|
||||||
|
version = "1.0.7"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "sha-1"
|
||||||
|
version = "0.8.2"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
|
||||||
|
dependencies = [
|
||||||
|
"block-buffer",
|
||||||
|
"digest",
|
||||||
|
"fake-simd",
|
||||||
|
"opaque-debug",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "simp-fuzz"
|
||||||
|
version = "0.0.0"
|
||||||
|
dependencies = [
|
||||||
|
"libfuzzer-sys",
|
||||||
|
"smtp",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "smtp"
|
||||||
|
version = "0.1.0"
|
||||||
|
dependencies = [
|
||||||
|
"pest",
|
||||||
|
"pest_derive",
|
||||||
|
"thiserror",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "syn"
|
||||||
|
version = "1.0.48"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "cc371affeffc477f42a221a1e4297aedcea33d47d19b61455588bd9d8f6b19ac"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"unicode-xid",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror"
|
||||||
|
version = "1.0.22"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "0e9ae34b84616eedaaf1e9dd6026dbe00dcafa92aa0c8077cb69df1fcfe5e53e"
|
||||||
|
dependencies = [
|
||||||
|
"thiserror-impl",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "thiserror-impl"
|
||||||
|
version = "1.0.22"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "9ba20f23e85b10754cd195504aebf6a27e2e6cbe28c17778a0c930724628dd56"
|
||||||
|
dependencies = [
|
||||||
|
"proc-macro2",
|
||||||
|
"quote",
|
||||||
|
"syn",
|
||||||
|
]
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "typenum"
|
||||||
|
version = "1.12.0"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "373c8a200f9e67a0c95e62a4f52fbf80c23b4381c05a17845531982fa99e6b33"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "ucd-trie"
|
||||||
|
version = "0.1.3"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "56dee185309b50d1f11bfedef0fe6d036842e3fb77413abef29f8f8d1c5d4c1c"
|
||||||
|
|
||||||
|
[[package]]
|
||||||
|
name = "unicode-xid"
|
||||||
|
version = "0.2.1"
|
||||||
|
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||||
|
checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
|
||||||
25
fuzz/Cargo.toml
Normal file
25
fuzz/Cargo.toml
Normal file
|
|
@ -0,0 +1,25 @@
|
||||||
|
[package]
|
||||||
|
name = "simp-fuzz"
|
||||||
|
version = "0.0.0"
|
||||||
|
authors = ["Automatically generated"]
|
||||||
|
publish = false
|
||||||
|
edition = "2018"
|
||||||
|
|
||||||
|
[package.metadata]
|
||||||
|
cargo-fuzz = true
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
libfuzzer-sys = "0.3"
|
||||||
|
|
||||||
|
[dependencies.smtp]
|
||||||
|
path = "../smtp"
|
||||||
|
|
||||||
|
# Prevent this from interfering with workspaces
|
||||||
|
[workspace]
|
||||||
|
members = ["."]
|
||||||
|
|
||||||
|
[[bin]]
|
||||||
|
name = "smtp-parser"
|
||||||
|
path = "fuzz_targets/smtp-parser.rs"
|
||||||
|
test = false
|
||||||
|
doc = false
|
||||||
8
fuzz/fuzz_targets/smtp-parser.rs
Normal file
8
fuzz/fuzz_targets/smtp-parser.rs
Normal file
|
|
@ -0,0 +1,8 @@
|
||||||
|
#![no_main]
|
||||||
|
use libfuzzer_sys::fuzz_target;
|
||||||
|
|
||||||
|
use smtp::RawCommand;
|
||||||
|
|
||||||
|
fuzz_target!(|data: &[u8]| {
|
||||||
|
RawCommand::parse(data);
|
||||||
|
});
|
||||||
10
smtp/Cargo.toml
Normal file
10
smtp/Cargo.toml
Normal file
|
|
@ -0,0 +1,10 @@
|
||||||
|
[package]
|
||||||
|
name = "smtp"
|
||||||
|
version = "0.1.0"
|
||||||
|
authors = ["Michael Zhang <mail@mzhang.io>"]
|
||||||
|
edition = "2018"
|
||||||
|
|
||||||
|
[dependencies]
|
||||||
|
pest = "2.1.3"
|
||||||
|
pest_derive = "2.1.0"
|
||||||
|
thiserror = "1.0.22"
|
||||||
34
smtp/src/command.pest
Normal file
34
smtp/src/command.pest
Normal file
|
|
@ -0,0 +1,34 @@
|
||||||
|
// RFC 5321
|
||||||
|
|
||||||
|
domain = ${ sub_domain ~ ("." ~ sub_domain)* }
|
||||||
|
sub_domain = ${ let_dig ~ ldh_str? }
|
||||||
|
|
||||||
|
let_dig = ${ ALPHA | DIGIT }
|
||||||
|
ldh_str = ${ (ALPHA | DIGIT | "-")* ~ let_dig }
|
||||||
|
address_literal = ${ "[" ~ address_literal_inner ~ "]" }
|
||||||
|
address_literal_inner = ${ ipv4_address_literal | ipv6_address_literal | general_address_literal }
|
||||||
|
|
||||||
|
ipv4_address_literal = ${ snum ~ ("." ~ snum){3} }
|
||||||
|
ipv6_address_literal = ${ "IPv6:" ~ ipv6_addr }
|
||||||
|
general_address_literal = ${ standardized_tag ~ ":" ~ dcontent+ }
|
||||||
|
|
||||||
|
standardized_tag = ${ ldh_str }
|
||||||
|
dcontent = ${ '\u{21}'..'\u{5a}' }
|
||||||
|
|
||||||
|
ipv6_addr = ${ ipv6_full } // | ipv6_comp | ipv6v4_full | ipv6v4_comp }
|
||||||
|
ipv6_hex = ${ HEXDIG{1,4} }
|
||||||
|
ipv6_full = ${ ipv6_hex ~ (":" ~ ipv6_hex){7} }
|
||||||
|
|
||||||
|
snum = ${ DIGIT{1,3} }
|
||||||
|
|
||||||
|
// commands
|
||||||
|
|
||||||
|
ehlo = ${ "EHLO" ~ SP ~ (domain | address_literal) }
|
||||||
|
helo = ${ "HELO" ~ SP ~ domain }
|
||||||
|
|
||||||
|
// RFC 5324
|
||||||
|
|
||||||
|
ALPHA = { 'A'..'Z' | 'a'..'z' }
|
||||||
|
DIGIT = { '0'..'9' }
|
||||||
|
HEXDIG = { DIGIT | 'A'..'F' }
|
||||||
|
SP = { " " }
|
||||||
83
smtp/src/command.rs
Normal file
83
smtp/src/command.rs
Normal file
|
|
@ -0,0 +1,83 @@
|
||||||
|
use std::convert::TryFrom;
|
||||||
|
|
||||||
|
#[derive(Parser)]
|
||||||
|
#[grammar = "command.pest"]
|
||||||
|
struct CommandParser;
|
||||||
|
|
||||||
|
// minimal commands needed:
|
||||||
|
// EHLO HELO MAIL RCPT DATA RSET NOOP QUIT VRFY
|
||||||
|
|
||||||
|
#[derive(Debug)]
|
||||||
|
pub enum RichCommand {
|
||||||
|
EHLO,
|
||||||
|
Unknown(String),
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Debug, Error)]
|
||||||
|
pub enum ParseError {
|
||||||
|
#[error("command is too short")]
|
||||||
|
CommandTooShort,
|
||||||
|
|
||||||
|
#[error("unexpected 5-char command")]
|
||||||
|
CommandMangled,
|
||||||
|
|
||||||
|
#[error("no space after verb")]
|
||||||
|
NotSpaceAfterVerb,
|
||||||
|
|
||||||
|
#[error("utf-8 parsing error: {0}")]
|
||||||
|
Utf8(#[from] std::str::Utf8Error),
|
||||||
|
|
||||||
|
#[error("unknown verb: {0}")]
|
||||||
|
UnknownVerb(String),
|
||||||
|
}
|
||||||
|
|
||||||
|
impl<'a> TryFrom<RawCommand<'a>> for RichCommand {
|
||||||
|
type Error = ParseError;
|
||||||
|
|
||||||
|
fn try_from(cmd: RawCommand<'a>) -> Result<Self, Self::Error> {
|
||||||
|
match cmd.verb {
|
||||||
|
"EHLO" => Ok(RichCommand::EHLO),
|
||||||
|
unknown => Err(ParseError::UnknownVerb(unknown.to_string())),
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[derive(Default, Debug)]
|
||||||
|
pub struct RawCommand<'a> {
|
||||||
|
pub verb: &'a str,
|
||||||
|
pub args: Vec<&'a str>,
|
||||||
|
}
|
||||||
|
|
||||||
|
impl<'a> RawCommand<'a> {
|
||||||
|
pub fn parse(line: &'a [u8]) -> Result<Self, ParseError> {
|
||||||
|
let len = line.len();
|
||||||
|
|
||||||
|
let verb = match len {
|
||||||
|
0 => return Ok(RawCommand::default()),
|
||||||
|
l if l < 4 => return Err(ParseError::CommandTooShort),
|
||||||
|
5 => return Err(ParseError::CommandMangled),
|
||||||
|
_ => std::str::from_utf8(&line[..4])?,
|
||||||
|
};
|
||||||
|
|
||||||
|
if len == 4 {
|
||||||
|
return Ok(RawCommand { verb, args: vec![] });
|
||||||
|
}
|
||||||
|
|
||||||
|
// catch arguments (we are guaranteed to have at least 5 chars)
|
||||||
|
if line[4] != b' ' {
|
||||||
|
return Err(ParseError::NotSpaceAfterVerb);
|
||||||
|
}
|
||||||
|
|
||||||
|
// this is probably wrong, but works for now
|
||||||
|
let args = if line.len() > 4 {
|
||||||
|
line[5..]
|
||||||
|
.split(|c| *c == b' ')
|
||||||
|
.map(|bytes| std::str::from_utf8(bytes))
|
||||||
|
.collect::<Result<Vec<_>, std::str::Utf8Error>>()?
|
||||||
|
} else {
|
||||||
|
Vec::new()
|
||||||
|
};
|
||||||
|
|
||||||
|
Ok(RawCommand { verb, args })
|
||||||
|
}
|
||||||
|
}
|
||||||
10
smtp/src/lib.rs
Normal file
10
smtp/src/lib.rs
Normal file
|
|
@ -0,0 +1,10 @@
|
||||||
|
#[macro_use]
|
||||||
|
extern crate pest_derive;
|
||||||
|
#[macro_use]
|
||||||
|
extern crate thiserror;
|
||||||
|
|
||||||
|
mod command;
|
||||||
|
mod replies;
|
||||||
|
|
||||||
|
pub use crate::command::{RawCommand, RichCommand};
|
||||||
|
pub use crate::replies::Reply;
|
||||||
25
smtp/src/replies.rs
Normal file
25
smtp/src/replies.rs
Normal file
|
|
@ -0,0 +1,25 @@
|
||||||
|
use std::fmt;
|
||||||
|
|
||||||
|
pub enum Reply {
|
||||||
|
R220(Option<(String, Option<String>)>),
|
||||||
|
}
|
||||||
|
|
||||||
|
impl Reply {}
|
||||||
|
|
||||||
|
impl fmt::Display for Reply {
|
||||||
|
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||||
|
match self {
|
||||||
|
Reply::R220(rest) => {
|
||||||
|
write!(f, "220")?;
|
||||||
|
if let Some((domain, rest)) = rest {
|
||||||
|
write!(f, " {}", domain)?;
|
||||||
|
if let Some(textstring) = rest {
|
||||||
|
write!(f, " {}", textstring)?;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
write!(f, "\r\n")?;
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
}
|
||||||
53
src/main.rs
53
src/main.rs
|
|
@ -1,3 +1,52 @@
|
||||||
fn main() {
|
use std::convert::TryFrom;
|
||||||
println!("Hello, world!");
|
|
||||||
|
use anyhow::Result;
|
||||||
|
use smtp::{RawCommand, Reply, RichCommand};
|
||||||
|
use tokio::{
|
||||||
|
io::{AsyncBufReadExt, AsyncWriteExt, BufReader},
|
||||||
|
net::{TcpListener, TcpStream},
|
||||||
|
};
|
||||||
|
|
||||||
|
#[tokio::main]
|
||||||
|
async fn main() -> Result<()> {
|
||||||
|
let listener = TcpListener::bind("127.0.0.1:6000").await?;
|
||||||
|
|
||||||
|
loop {
|
||||||
|
let (socket, _) = listener.accept().await?;
|
||||||
|
println!("received socket: {:?}", socket);
|
||||||
|
|
||||||
|
tokio::spawn(process_socket(socket));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn process_socket(socket: TcpStream) {
|
||||||
|
if let Err(err) = process_socket_inner(socket).await {
|
||||||
|
eprintln!("error: {}", err);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
async fn process_socket_inner(mut socket: TcpStream) -> Result<()> {
|
||||||
|
let (reader, mut writer) = socket.split();
|
||||||
|
let reader = BufReader::new(reader);
|
||||||
|
|
||||||
|
// write initial greeting
|
||||||
|
let reply = Reply::R220(Some((String::from("localhost"), None)));
|
||||||
|
writer.write_all(reply.to_string().as_bytes()).await?;
|
||||||
|
|
||||||
|
let mut lines = reader.lines();
|
||||||
|
println!("reading...");
|
||||||
|
while let Some(line) = lines.next_line().await? {
|
||||||
|
println!("line: {:?}", line);
|
||||||
|
|
||||||
|
let raw_command = RawCommand::parse(line.as_bytes())?;
|
||||||
|
println!("raw command: {:?}", raw_command);
|
||||||
|
|
||||||
|
let rich_command = RichCommand::try_from(raw_command)?;
|
||||||
|
println!("rich command: {:?}", rich_command);
|
||||||
|
|
||||||
|
println!();
|
||||||
|
}
|
||||||
|
|
||||||
|
println!("closed");
|
||||||
|
Ok(())
|
||||||
}
|
}
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue