diff options
Diffstat (limited to 'src/lib/protocols/ftp_control.c')
-rw-r--r-- | src/lib/protocols/ftp_control.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/src/lib/protocols/ftp_control.c b/src/lib/protocols/ftp_control.c index a0bec3864..44911b2d2 100644 --- a/src/lib/protocols/ftp_control.c +++ b/src/lib/protocols/ftp_control.c @@ -29,6 +29,9 @@ // #define FTP_DEBUG +extern void switch_extra_dissection_to_tls(struct ndpi_detection_module_struct *ndpi_struct, + struct ndpi_flow_struct *flow); + /* *************************************************************** */ static void ndpi_int_ftp_control_add_connection(struct ndpi_detection_module_struct *ndpi_struct, @@ -643,10 +646,21 @@ static void ndpi_check_ftp_control(struct ndpi_detection_module_struct *ndpi_str if(flow->l4.tcp.ftp_imap_pop_smtp.password[0] == '\0' && flow->l4.tcp.ftp_imap_pop_smtp.auth_done == 0 && - flow->l4.tcp.ftp_imap_pop_smtp.auth_tls == 0) /* TODO: any values on dissecting TLS handshake? */ + flow->l4.tcp.ftp_imap_pop_smtp.auth_tls == 0) { flow->ftp_control_stage = 0; - else + } else if (flow->l4.tcp.ftp_imap_pop_smtp.auth_tls == 1 && + ndpi_struct->opportunistic_tls_ftp_enabled) { + flow->host_server_name[0] = '\0'; /* Remove any data set by other dissectors (eg. SMTP) */ + /* Switch classification to FTPS */ + ndpi_set_detected_protocol(ndpi_struct, flow, + NDPI_PROTOCOL_FTPS, NDPI_PROTOCOL_UNKNOWN, NDPI_CONFIDENCE_DPI); + NDPI_LOG_DBG(ndpi_struct, "Switching to [%d/%d]\n", + flow->detected_protocol_stack[0], flow->detected_protocol_stack[1]); + /* We are done (in FTP dissector): delegating TLS... */ + switch_extra_dissection_to_tls(ndpi_struct, flow); + } else { ndpi_int_ftp_control_add_connection(ndpi_struct, flow); + } } else { NDPI_LOG_DBG2(ndpi_struct, "The reply did not seem to belong to FTP_CONTROL, " "resetting the stage to 0\n"); |