commit 008b90e: [Fix] dmarc gramar - allow spaces before ";"

[GitHub]

Author: Stephan Toggweiler
Date: 2023-07-21 09:15:07 +0200
URL: https://github.com/rspamd/rspamd/commit/008b90e09d8004a41db507c84ebab0f15a1f7f75 (refs/pull/4547/head)

[Fix] dmarc gramar - allow spaces before ";"
The ABNF in https://www.rfc-editor.org/rfc/rfc7489#section-6.4 define that its allowed to have spaces before ";"
---
 lualib/plugins/dmarc.lua | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lualib/plugins/dmarc.lua b/lualib/plugins/dmarc.lua
index b080324b0..24efb5078 100644
--- a/lualib/plugins/dmarc.lua
+++ b/lualib/plugins/dmarc.lua
@@ -241,7 +241,7 @@ local function gen_dmarc_grammar()
   lpeg.locale(lpeg)
   local space = lpeg.space^0
   local name = lpeg.C(lpeg.alpha^1) * space
-  local sep = (lpeg.S("\\;") * space) + (lpeg.space^1)
+  local sep = space * (lpeg.S("\\;") * space) + (lpeg.space^1)
   local value = lpeg.C(lpeg.P(lpeg.graph - sep)^1)
   local pair = lpeg.Cg(name * "=" * space * value) * sep^-1
   local list = lpeg.Cf(lpeg.Ct("") * pair^0, rawset)
@@ -357,4 +357,4 @@ end
 
 exports.dmarc_check_record = dmarc_check_record
 
-return exports
\ No newline at end of file
+return exports