调整解析GTP-U协议v4.8.71-20240319

1 files changed, 10 insertions, 9 deletions

diff --git a/common/src/packet.cpp b/common/src/packet.cpp
index b96edcc..4428f65 100644
--- a/common/src/packet.cpp
+++ b/common/src/packet.cpp
@@ -945,19 +945,20 @@ static inline const char *parse_udp(struct packet *handler, const char *data, ui
     struct udphdr *hdr = (struct udphdr *)data;
     SET_LAYER(handler, layer, LAYER_TYPE_UDP, sizeof(struct udphdr), data, len);
 
-    switch (ntohs(hdr->uh_dport))
+    // VXLAN_DPORT 4789
+    if (ntohs(hdr->uh_dport) == 4789)
     {
-        // TESTED
-    // VXLAN_DPORT
-    case 4789:
         return parse_vxlan(handler, layer->pld_ptr, layer->pld_len);
-        // TESTED
-    // GTP1U_PORT
-    case 2152:
+    }
+
+    // GTP1U_PORT 2152
+    if (ntohs(hdr->uh_dport) == 2152 || ntohs(hdr->uh_sport) == 2152)
+    {
         return parse_gtpv1_u(handler, layer->pld_ptr, layer->pld_len);
-    default:
-        return layer->pld_ptr;
     }
+
+    return layer->pld_ptr;
+
 }
 
 static inline const char *parse_tcp(struct packet *handler, const char *data, uint16_t len)