Deuxfleurs/aerogramme
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Escape LMTP data

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This commit is contained in:
Quentin 2024-02-10 12:11:01 +01:00
parent 599480c3d3
commit 0e3cfe536f
Signed by: quentin
GPG key ID: E9602264D639FF68
2 changed files with 8 additions and 2 deletions
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2
Cargo.lock generated
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@ -28,7 +28,7 @@ checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
[[package]] [[package]]
name = "aerogramme" name = "aerogramme"
version = "0.2.0" version = "0.2.1"
dependencies = [ dependencies = [
"anyhow", "anyhow",
"argon2", "argon2",

8
src/lmtp.rs
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@ -16,7 +16,7 @@ use tokio::select;
use tokio::sync::watch; use tokio::sync::watch;
use tokio_util::compat::*; use tokio_util::compat::*;
use smtp_message::{Email, EscapedDataReader, Reply, ReplyCode}; use smtp_message::{Email, EscapedDataReader, DataUnescaper, Reply, ReplyCode};
use smtp_server::{reply, Config, ConnectionMetadata, Decision, MailMetadata}; use smtp_server::{reply, Config, ConnectionMetadata, Decision, MailMetadata};
use crate::config::*; use crate::config::*;
@ -181,6 +181,12 @@ impl Config for LmtpServer {
return err_response_stream(meta, format!("io error: {}", e)); return err_response_stream(meta, format!("io error: {}", e));
} }
reader.complete(); reader.complete();
let raw_size = text.len();
// Unescape email, shrink it also to remove last dot
let unesc_res = DataUnescaper::new(true).unescape(&mut text);
text.truncate(unesc_res.written);
tracing::debug!(prev_sz=raw_size, new_sz=text.len(), "unescaped");
let encrypted_message = match EncryptedMessage::new(text) { let encrypted_message = match EncryptedMessage::new(text) {
Ok(x) => Arc::new(x), Ok(x) => Arc::new(x),