TLS: log input for pipelining violation

[exim.git] / src / src / smtp_in.c

diff --git a/src/src/smtp_in.c b/src/src/smtp_in.c
index 6f4ad94956c8ae707f6279161d7dfe4e1bf0003a..cd759df7b34f5210dc0c999442e908d5eb7530dc 100644 (file)
--- a/src/src/smtp_in.c
+++ b/src/src/smtp_in.c
@@ -5630,27 +5630,27 @@ while (done <= 0)
 
     case BADSYN_CMD:
     SYNC_FAILURE:
-      if (smtp_inend >= smtp_inbuffer + IN_BUFFER_SIZE)
-       smtp_inend = smtp_inbuffer + IN_BUFFER_SIZE - 1;
-      c = smtp_inend - smtp_inptr;
-      if (c > 150) c = 150;    /* limit logged amount */
-      smtp_inptr[c] = 0;
-      incomplete_transaction_log(US"sync failure");
-      log_write(0, LOG_MAIN|LOG_REJECT, "SMTP protocol synchronization error "
-       "(next input sent too soon: pipelining was%s advertised): "
-       "rejected \"%s\" %s next input=\"%s\"",
-       f.smtp_in_pipelining_advertised ? "" : " not",
-       smtp_cmd_buffer, host_and_ident(TRUE),
-       string_printing(smtp_inptr));
-      smtp_notquit_exit(US"synchronization-error", US"554",
-       US"SMTP synchronization error");
-      done = 1;   /* Pretend eof - drops connection */
-      break;
+      {
+       unsigned nchars = 150;
+       uschar * buf = receive_getbuf(&nchars);         /* destructive read */
+       buf[nchars] = '\0';
+       incomplete_transaction_log(US"sync failure");
+       log_write(0, LOG_MAIN|LOG_REJECT, "SMTP protocol synchronization error "
+         "(next input sent too soon: pipelining was%s advertised): "
+         "rejected \"%s\" %s next input=\"%s\" (%u bytes)",
+         f.smtp_in_pipelining_advertised ? "" : " not",
+         smtp_cmd_buffer, host_and_ident(TRUE),
+         string_printing(buf), nchars);
+       smtp_notquit_exit(US"synchronization-error", US"554",
+         US"SMTP synchronization error");
+       done = 1;   /* Pretend eof - drops connection */
+       break;
+      }
 
 
     case TOO_MANY_NONMAIL_CMD:
       s = smtp_cmd_buffer;
-      while (*s != 0 && !isspace(*s)) s++;
+      while (*s && !isspace(*s)) s++;
       incomplete_transaction_log(US"too many non-mail commands");
       log_write(0, LOG_MAIN|LOG_REJECT, "SMTP call from %s dropped: too many "
        "nonmail commands (last was \"%.*s\")",  host_and_ident(FALSE),