From 8fef1eea6393d535fc13226c7c808c6e8b0be056 Mon Sep 17 00:00:00 2001
From: korayvt <koray.vatansever@gmail.com>
Date: Tue, 23 Aug 2022 14:05:45 +0300
Subject: [PATCH] core: added parser mode check

---
 src/core/parser/msg_parser.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/core/parser/msg_parser.c b/src/core/parser/msg_parser.c
index 6455c9e5393..7a3855531ed 100644
--- a/src/core/parser/msg_parser.c
+++ b/src/core/parser/msg_parser.c
@@ -623,9 +623,11 @@ int parse_headers(struct sip_msg* const msg, const hdr_flags_t flags, const int
 
 skip:
 	msg->unparsed=tmp;
-	if(msg->headers==NULL) {
-		/* nothing parsed - invalid input sip message */
-		goto error1;
+	if(ksr_sip_parser_mode & KSR_SIP_PARSER_MODE_STRICT) {
+		if(msg->headers==NULL) {
+			/* nothing parsed - invalid input sip message */
+			goto error1;
+		}
 	}
 	/* restore original flags */
 	msg->parsed_flag |= orig_flag;