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-rw-r--r--src/lib/protocols/quic.c23
1 files changed, 19 insertions, 4 deletions
diff --git a/src/lib/protocols/quic.c b/src/lib/protocols/quic.c
index 84ad23799..7dda2c27b 100644
--- a/src/lib/protocols/quic.c
+++ b/src/lib/protocols/quic.c
@@ -903,7 +903,9 @@ static const uint8_t *get_crypto_data(struct ndpi_detection_module_struct *ndpi_
if(counter + 2 + offset_len + 2 /*gquic_get_u16 reads 2 bytes */ > clear_payload_len)
return NULL;
if(clear_payload[counter + 1] != 0x01) {
+#ifdef QUIC_DEBUG
NDPI_LOG_ERR(ndpi_struct, "Unexpected stream ID version 0x%x\n", version);
+#endif
return NULL;
}
counter += 2 + offset_len;
@@ -936,7 +938,9 @@ static const uint8_t *get_crypto_data(struct ndpi_detection_module_struct *ndpi_
if(first_nonzero_payload_byte != 0x06) {
if(first_nonzero_payload_byte != 0x02 &&
first_nonzero_payload_byte != 0x1C) {
+#ifdef QUIC_DEBUG
NDPI_LOG_ERR(ndpi_struct, "Unexpected frame 0x%x\n", first_nonzero_payload_byte);
+#endif
} else {
NDPI_LOG_DBG(ndpi_struct, "Unexpected ACK/CC frame\n");
}
@@ -945,8 +949,10 @@ static const uint8_t *get_crypto_data(struct ndpi_detection_module_struct *ndpi_
if(counter + 2 + 8 >= clear_payload_len) /* quic_len reads 8 bytes, at most */
return NULL;
if(clear_payload[counter + 1] != 0x00) {
+#ifdef QUIC_DEBUG
NDPI_LOG_ERR(ndpi_struct, "Unexpected crypto stream offset 0x%x\n",
clear_payload[counter + 1]);
+#endif
return NULL;
}
counter += 2;
@@ -955,8 +961,10 @@ static const uint8_t *get_crypto_data(struct ndpi_detection_module_struct *ndpi_
}
if(*crypto_data_len + counter > clear_payload_len) {
+#ifdef QUIC_DEBUG
NDPI_LOG_ERR(ndpi_struct, "Invalid length %lu + %d > %d version 0x%x\n",
(unsigned long)*crypto_data_len, counter, clear_payload_len, version);
+#endif
return NULL;
}
return crypto_data;
@@ -1053,7 +1061,9 @@ static void process_chlo(struct ndpi_detection_module_struct *ndpi_struct,
if(crypto_data_len < 6)
return;
if(memcmp(crypto_data, "CHLO", 4) != 0) {
+#ifdef QUIC_DEBUG
NDPI_LOG_ERR(ndpi_struct, "Unexpected handshake message");
+#endif
return;
}
num_tags = (*(uint16_t *)&crypto_data[4]);
@@ -1137,13 +1147,16 @@ static int may_be_initial_pkt(struct ndpi_detection_module_struct *ndpi_struct,
if(is_gquic_ver_less_than(*version, 43) &&
(!pub_bit5 || pub_bit3 != 0 || pub_bit4 != 0)) {
- NDPI_LOG_ERR(ndpi_struct, "Version 0x%x invalid flags 0x%x\n",
- *version, first_byte);
+#ifdef QUIC_DEBUG
+ NDPI_LOG_ERR(ndpi_struct, "Version 0x%x invalid flags 0x%x\n", *version, first_byte);
+#endif
return 0;
}
if((*version == V_Q046) &&
(pub_bit7 != 1 || pub_bit8 != 1)) {
+#ifdef QUIC_DEBUG
NDPI_LOG_ERR(ndpi_struct, "Q46 invalid flag 0x%x\n", first_byte);
+#endif
return 0;
}
if((is_version_quic(*version) || (*version == V_Q046) || (*version == V_Q050)) &&
@@ -1201,8 +1214,10 @@ void ndpi_search_quic(struct ndpi_detection_module_struct *ndpi_struct,
*/
if(!is_version_supported(version)) {
- NDPI_LOG_ERR(ndpi_struct, "Unsupported version 0x%x\n", version)
- NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
+#ifdef QUIC_DEBUG
+ NDPI_LOG_ERR(ndpi_struct, "Unsupported version 0x%x\n", version);
+#endif
+ NDPI_EXCLUDE_PROTO(ndpi_struct, flow);
return;
}