🐞 fix(__mjl_gtp_calc_gtp_hdr_len): 修复长度计算超过包长的错误

2023-07-23 23:13:11 +08:00
parent 0c02227c58
commit 71a6040f8a
1 changed files with 5 additions and 1 deletions
--- a/src/MESA_jump_layer.cpp
+++ b/src/MESA_jump_layer.cpp
@@ -211,7 +211,11 @@ static int __mjl_gtp_calc_gtp_hdr_len(const struct gtp_hdr *gtph)
 	  return -1; 
 	}

-	if(gtph->len > 1460)
+	if(gtph->msg_type != 0xFF){
+	  return -1;
+	}
+
+	if(ntohs(gtph->len) > 1460 || ntohs(gtph->len) < 40)
 	{
 		return -1;
 	}