On Wed, 6 Apr 2005, Geraint Edwards wrote:
> I'm also getting this - exactly the same thing about once a day
> (not a hugely busy server - 100s of e-mails a day). Also on
> FreeBSD (4.11 in my case, RELENG_4_11 from April 1st). Exim 4.50
> is the port from same date.
Did you apply the patch I posted recently?
> ######################################################################
> *** smtp_in.c.orig Thu Feb 17 14:49:11 2005
> --- smtp_in.c Tue Apr 5 20:17:00 2005
> ***************
> *** 1610,1615 ****
> --- 1610,1622 ----
> &tzero) > 0)
> {
> int rc = read(fileno(smtp_in), smtp_inbuffer, in_buffer_size);
> + if (rc < 0)
> + {
> + log_write(0, LOG_MAIN|LOG_REJECT,
> + "read() error %d during connection from %s",
> + rc, host_and_ident(TRUE));
> + rc = 0;
> + }
> if (rc > 150) rc = 150;
> smtp_inbuffer[rc] = 0;
> log_write(0, LOG_MAIN|LOG_REJECT, "SMTP protocol violation: "
> ######################################################################
Looks pretty much like my patch. :) See below.
--
Philip Hazel University of Cambridge Computing Service,
ph10@??? Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book: http://www.uit.co.uk/exim-book
*** exim-4.50/src/smtp_in.c Thu Feb 17 14:49:11 2005
--- smtp_in.c Tue Mar 29 16:53:12 2005
***************
*** 1610,1623 ****
&tzero) > 0)
{
int rc = read(fileno(smtp_in), smtp_inbuffer, in_buffer_size);
! if (rc > 150) rc = 150;
! smtp_inbuffer[rc] = 0;
! log_write(0, LOG_MAIN|LOG_REJECT, "SMTP protocol violation: "
! "synchronization error (input sent without waiting for greeting): "
! "rejected connection from %s input=\"%s\"", host_and_ident(TRUE),
! string_printing(smtp_inbuffer));
! smtp_printf("554 SMTP synchronization error\r\n");
! return FALSE;
}
}
--- 1616,1632 ----
&tzero) > 0)
{
int rc = read(fileno(smtp_in), smtp_inbuffer, in_buffer_size);
! if (rc > 0)
! {
! if (rc > 150) rc = 150;
! smtp_inbuffer[rc] = 0;
! log_write(0, LOG_MAIN|LOG_REJECT, "SMTP protocol violation: "
! "synchronization error (input sent without waiting for greeting): "
! "rejected connection from %s input=\"%s\"", host_and_ident(TRUE),
! string_printing(smtp_inbuffer));
! smtp_printf("554 SMTP synchronization error\r\n");
! return FALSE;
! }
}
}
