commit e879458: [Minor] Imply LEFTMOST flag on regexps with conditions

[Vsevolod Stakhov]

Author: Vsevolod Stakhov
Date: 2023-09-18 15:55:23 +0100
URL: https://github.com/rspamd/rspamd/commit/e879458ea89ce76226c12078d05632f67bc657fe (HEAD -> master)

[Minor] Imply LEFTMOST flag on regexps with conditions

---
 src/libmime/mime_expressions.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/libmime/mime_expressions.c b/src/libmime/mime_expressions.c
index 20f2c754e..e51539ed0 100644
--- a/src/libmime/mime_expressions.c
+++ b/src/libmime/mime_expressions.c
@@ -854,6 +854,9 @@ set:
 
 			if (lua_cbref != -1) {
 				msg_info_config("added condition for regexp %s", mime_atom->str);
+				/* Add SOM_LEFTMOST_FLAG implicitly */
+				rspamd_regexp_set_flags(mime_atom->d.re->regexp, rspamd_regexp_get_flags(mime_atom->d.re->regexp) |
+																	 RSPAMD_REGEXP_FLAG_LEFTMOST);
 			}
 
 			/* Register new item in the cache */