commit 1b63d88: [Regression] Fix received parser

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2019-02-04 17:46:05 +0000
URL: https://github.com/rspamd/rspamd/commit/1b63d88cce181a8e84e185f32e0a0b88166d292d (HEAD -> master)

[Regression] Fix received parser
Issue: #2743

---
 src/ragel/smtp_received.rl | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/ragel/smtp_received.rl b/src/ragel/smtp_received.rl
index f43ad167c..1c76f40fb 100644
--- a/src/ragel/smtp_received.rl
+++ b/src/ragel/smtp_received.rl
@@ -19,10 +19,9 @@
   TCP_info       = address_literal >Real_IP_Start %Real_IP_End |
                   ( Domain >Real_Domain_Start %Real_Domain_End FWS address_literal >Real_IP_Start %Real_IP_End ) |
                   ( non_conformant_address_literal >Real_IP_Start %Real_IP_End );
-  Extended_Domain  = Domain >Real_Domain_Start %Real_Domain_End | # Used to be a real domain
+  Extended_Domain  = (Domain >Real_Domain_Start %Real_Domain_End | # Used to be a real domain
                   ( Domain >Reported_Domain_Start %Reported_Domain_End FWS "(" TCP_info ")" ) | # Here domain is something specified by remote side
-                  ( address_literal >Real_Domain_Start %Real_Domain_End FWS "(" TCP_info ")" ) |
-                  address_literal >Real_IP_Start %Real_IP_End; # Not RFC conforming, but many MTA try this
+                  ( address_literal >Real_Domain_Start %Real_Domain_End FWS "(" TCP_info ")" ) );
 
   ccontent = ctext | FWS | '(' @{ fcall balanced_ccontent; };
   balanced_ccontent := ccontent* ')' @{ fret; };