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From: Stoiko Ivanov <s.ivanov@proxmox.com>
To: Mira Limbeck <m.limbeck@proxmox.com>
Cc: pmg-devel@lists.proxmox.com
Subject: Re: [pmg-devel] [PATCH v2 log-tracker] close #2106: show outgoing TLS connection in tracking center
Date: Mon, 22 Mar 2021 16:33:28 +0100	[thread overview]
Message-ID: <20210322163328.55a0479b@rosa.proxmox.com> (raw)
In-Reply-To: <20210322151019.3dce61f4@rosa.proxmox.com>

On Mon, 22 Mar 2021 15:10:19 +0100
Stoiko Ivanov <s.ivanov@proxmox.com> wrote:

> LGTM now!
> 
> Tested-By: Stoiko Ivanov <s.ivanov@proxmox.com>
> Reviewed-By: Stoiko Ivanov <s.ivanov@proxmox.com>
re-building and re-running the tests with faketime in place - the run now
fails (since the output of our old tests now needs to include the line
with the TLS-connect)

could I ask you to resent the patch, with the updated test-outputs (in one
commit) - this should keep everything build and bisectable nicely


> 
> On Mon, 22 Mar 2021 13:23:27 +0100
> Mira Limbeck <m.limbeck@proxmox.com> wrote:
> 
> > This is a best effort try to add the outgoing TLS connection information
> > to the output of pmg-log-tracker. The only thing we can match on is the
> > PID of the 'smtp' process. In the code we asumme that the TLS log entry
> > always happens before the actual smtp send entry that has a QID. This means
> > we save the TLS log entry in a map with the PID as key and then, once the
> > send entry happens, we look it up and add the log entry to the QEntry's
> > logs.
> > 
> > Signed-off-by: Mira Limbeck <m.limbeck@proxmox.com>
> > ---
> > v2:
> >  - added 'Untrusted' line match as well
> > 
> >  src/main.rs | 23 +++++++++++++++++++++++
> >  1 file changed, 23 insertions(+)
> > 
> > diff --git a/src/main.rs b/src/main.rs
> > index 5069252..a186620 100644
> > --- a/src/main.rs
> > +++ b/src/main.rs
> > @@ -378,6 +378,18 @@ fn handle_qmgr_message(msg: &[u8], parser: &mut Parser, complete_line: &[u8]) {
> >  
> >  // handle log entries for 'lmtp', 'smtp', 'error' and 'local'
> >  fn handle_lmtp_message(msg: &[u8], parser: &mut Parser, complete_line: &[u8]) {
> > +    if msg.starts_with(b"Trusted TLS connection established to")
> > +        || msg.starts_with(b"Untrusted TLS connection established to")
> > +    {
> > +        // the only way to match outgoing TLS connections is by smtp pid
> > +        // this message has to appear before the 'qmgr: <QID>: removed' entry in the log
> > +        parser.smtp_tls_log_by_pid.insert(
> > +            parser.current_record_state.pid,
> > +            (complete_line.into(), parser.lines),
> > +        );
> > +        return;
> > +    }
> > +
> >      let (qid, data) = match parse_qid(msg, 15) {
> >          Some((q, t)) => (q, t),
> >          None => return,
> > @@ -393,6 +405,14 @@ fn handle_lmtp_message(msg: &[u8], parser: &mut Parser, complete_line: &[u8]) {
> >          .log
> >          .push((complete_line.into(), parser.lines));
> >  
> > +    // assume the TLS log entry always appears before as it is the same process
> > +    if let Some(log_line) = parser
> > +        .smtp_tls_log_by_pid
> > +        .remove(&parser.current_record_state.pid)
> > +    {
> > +        qe.borrow_mut().log.push(log_line);
> > +    }
> > +
> >      let data = &data[2..];
> >      if !data.starts_with(b"to=<") {
> >          return;
> > @@ -1668,6 +1688,8 @@ struct Parser {
> >      fentries: HashMap<Box<[u8]>, Rc<RefCell<FEntry>>>,
> >      qentries: HashMap<Box<[u8]>, Rc<RefCell<QEntry>>>,
> >  
> > +    smtp_tls_log_by_pid: HashMap<u64, (Box<[u8]>, u64)>,
> > +
> >      current_record_state: RecordState,
> >      rel_line_nr: u64,
> >  
> > @@ -1705,6 +1727,7 @@ impl Parser {
> >              sentries: HashMap::new(),
> >              fentries: HashMap::new(),
> >              qentries: HashMap::new(),
> > +            smtp_tls_log_by_pid: HashMap::new(),
> >              current_record_state: Default::default(),
> >              rel_line_nr: 0,
> >              current_year: years,  
> 
> 
> 
> _______________________________________________
> pmg-devel mailing list
> pmg-devel@lists.proxmox.com
> https://lists.proxmox.com/cgi-bin/mailman/listinfo/pmg-devel
> 
> 





      reply	other threads:[~2021-03-22 15:34 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-22 12:23 Mira Limbeck
2021-03-22 14:10 ` Stoiko Ivanov
2021-03-22 15:33   ` Stoiko Ivanov [this message]

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