[pbs-devel] [PATCH proxmox v3 4/4] notify: use proxmox-sendmail forward implementation

[Shannon Sterz <s.sterz@proxmox.com>]

moves to depending on `proxmox-sendmail` for forwarding mails via
`sendmail` too.

Signed-off-by: Shannon Sterz <s.sterz@proxmox.com>
---
 proxmox-notify/Cargo.toml                |  2 +-
 proxmox-notify/src/endpoints/sendmail.rs | 54 +-----------------------
 2 files changed, 3 insertions(+), 53 deletions(-)

diff --git a/proxmox-notify/Cargo.toml b/proxmox-notify/Cargo.toml
index 6e94930a..725bd210 100644
--- a/proxmox-notify/Cargo.toml
+++ b/proxmox-notify/Cargo.toml
@@ -39,7 +39,7 @@ proxmox-uuid = { workspace = true, features = ["serde"] }
 
 [features]
 default = ["sendmail", "gotify", "smtp", "webhook"]
-mail-forwarder = ["dep:mail-parser", "dep:proxmox-sys"]
+mail-forwarder = ["dep:mail-parser", "dep:proxmox-sys", "proxmox-sendmail/mail-forwarder"]
 sendmail = ["dep:proxmox-sys", "dep:base64", "dep:proxmox-sendmail"]
 gotify = ["dep:proxmox-http"]
 pve-context = ["dep:proxmox-sys"]
diff --git a/proxmox-notify/src/endpoints/sendmail.rs b/proxmox-notify/src/endpoints/sendmail.rs
index c5e16fe4..70b0f111 100644
--- a/proxmox-notify/src/endpoints/sendmail.rs
+++ b/proxmox-notify/src/endpoints/sendmail.rs
@@ -1,6 +1,4 @@
-use std::io::Write;
-use std::process::{Command, Stdio};
-
+use proxmox_sendmail::Mail;
 use serde::{Deserialize, Serialize};
 
 use proxmox_schema::api_types::COMMENT_SCHEMA;
@@ -148,7 +146,7 @@ impl Endpoint for SendmailEndpoint {
             }
             #[cfg(feature = "mail-forwarder")]
             Content::ForwardedMail { raw, uid, .. } => {
-                forward(&recipients_str, &mailfrom, raw, *uid)
+                Mail::forward(&recipients_str, &mailfrom, raw, *uid)
                     .map_err(|err| Error::NotifyFailed(self.config.name.clone(), err.into()))
             }
         }
@@ -163,51 +161,3 @@ impl Endpoint for SendmailEndpoint {
         self.config.disable.unwrap_or_default()
     }
 }
-
-/// Forwards an email message to a given list of recipients.
-///
-/// ``sendmail`` is used for sending the mail, thus `message` must be
-/// compatible with that (the message is piped into stdin unmodified).
-#[cfg(feature = "mail-forwarder")]
-fn forward(mailto: &[&str], mailfrom: &str, message: &[u8], uid: Option<u32>) -> Result<(), Error> {
-    use std::os::unix::process::CommandExt;
-
-    if mailto.is_empty() {
-        return Err(Error::Generic(
-            "At least one recipient has to be specified!".into(),
-        ));
-    }
-
-    let mut builder = Command::new("/usr/sbin/sendmail");
-
-    builder
-        .args([
-            "-N", "never", // never send DSN (avoid mail loops)
-            "-f", mailfrom, "--",
-        ])
-        .args(mailto)
-        .stdin(Stdio::piped())
-        .stdout(Stdio::null())
-        .stderr(Stdio::null());
-
-    if let Some(uid) = uid {
-        builder.uid(uid);
-    }
-
-    let mut process = builder
-        .spawn()
-        .map_err(|err| Error::Generic(format!("could not spawn sendmail process: {err}")))?;
-
-    process
-        .stdin
-        .take()
-        .unwrap()
-        .write_all(message)
-        .map_err(|err| Error::Generic(format!("couldn't write to sendmail stdin: {err}")))?;
-
-    process
-        .wait()
-        .map_err(|err| Error::Generic(format!("sendmail did not exit successfully: {err}")))?;
-
-    Ok(())
-}
-- 
2.39.5



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