diff options
Diffstat (limited to 'src/lib/protocols/cassandra.c')
| -rw-r--r-- | src/lib/protocols/cassandra.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lib/protocols/cassandra.c b/src/lib/protocols/cassandra.c index f7bbccfbc..33ac1f72a 100644 --- a/src/lib/protocols/cassandra.c +++ b/src/lib/protocols/cassandra.c @@ -100,6 +100,11 @@ static bool ndpi_check_valid_cassandra_opcode(uint8_t opcode) return false; } +static bool ndpi_check_valid_cassandra_flags(uint8_t flags) +{ + return (flags & 0xF0) == 0; +} + void ndpi_search_cassandra(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow) { @@ -108,6 +113,7 @@ void ndpi_search_cassandra(struct ndpi_detection_module_struct *ndpi_struct, if (packet->tcp) { if (packet->payload_packet_len >= CASSANDRA_HEADER_LEN && ndpi_check_valid_cassandra_version(get_u_int8_t(packet->payload, 0)) && + ndpi_check_valid_cassandra_flags(get_u_int8_t(packet->payload, 1)) && ndpi_check_valid_cassandra_opcode(get_u_int8_t(packet->payload, 4)) && get_u_int32_t(packet->payload, 5) <= CASSANDRA_MAX_BODY_SIZE && get_u_int32_t(packet->payload, 5) >= (uint32_t) (packet->payload_packet_len - CASSANDRA_HEADER_LEN)) { |