use crate::core::{sc_detect_engine_state_free, sc_app_layer_decoder_events_free_events};
use crate::dhcp::parser::*;
use std;
-use std::ffi::{CStr,CString};
+use std::ffi::CString;
static mut ALPROTO_DHCP: AppProto = ALPROTO_UNKNOWN;
pub const DHCP_PARAM_TFTP_SERVER_NAME: u8 = 66;
pub const DHCP_PARAM_TFTP_SERVER_IP: u8 = 150;
-#[repr(u32)]
+#[derive(AppLayerEvent)]
pub enum DHCPEvent {
- TruncatedOptions = 0,
+ TruncatedOptions,
MalformedOptions,
}
-impl DHCPEvent {
- fn from_i32(value: i32) -> Option<DHCPEvent> {
- match value {
- 0 => Some(DHCPEvent::TruncatedOptions),
- 1 => Some(DHCPEvent::MalformedOptions),
- _ => None,
- }
- }
-}
-
/// The concept of a transaction is more to satisfy the Suricata
/// app-layer. This DHCP parser is actually stateless where each
/// message is its own transaction.
std::mem::drop(Box::from_raw(state as *mut DHCPState));
}
-#[no_mangle]
-pub unsafe extern "C" fn rs_dhcp_state_get_event_info_by_id(event_id: std::os::raw::c_int,
- event_name: *mut *const std::os::raw::c_char,
- event_type: *mut core::AppLayerEventType)
- -> i8
-{
- if let Some(e) = DHCPEvent::from_i32(event_id as i32) {
- let estr = match e {
- DHCPEvent::TruncatedOptions => { "truncated_options\0" },
- DHCPEvent::MalformedOptions => { "malformed_options\0" },
- };
- *event_name = estr.as_ptr() as *const std::os::raw::c_char;
- *event_type = core::APP_LAYER_EVENT_TYPE_TRANSACTION;
- 0
- } else {
- -1
- }
-}
#[no_mangle]
pub unsafe extern "C" fn rs_dhcp_state_get_events(tx: *mut std::os::raw::c_void)
-> *mut core::AppLayerDecoderEvents
return tx.events;
}
-#[no_mangle]
-pub unsafe extern "C" fn rs_dhcp_state_get_event_info(
- event_name: *const std::os::raw::c_char,
- event_id: *mut std::os::raw::c_int,
- event_type: *mut core::AppLayerEventType)
- -> std::os::raw::c_int
-{
- if event_name == std::ptr::null() {
- return -1;
- }
- let c_event_name: &CStr = CStr::from_ptr(event_name);
- let event = match c_event_name.to_str() {
- Ok(s) => {
- match s {
- "malformed_options" => DHCPEvent::MalformedOptions as i32,
- "truncated_options" => DHCPEvent::TruncatedOptions as i32,
- _ => -1, // unknown event
- }
- },
- Err(_) => -1, // UTF-8 conversion failed
- };
- *event_type = core::APP_LAYER_EVENT_TYPE_TRANSACTION;
- *event_id = event as std::os::raw::c_int;
- 0
-}
-
#[no_mangle]
pub unsafe extern "C" fn rs_dhcp_state_get_tx_iterator(
_ipproto: u8,
get_de_state : rs_dhcp_tx_get_detect_state,
set_de_state : rs_dhcp_tx_set_detect_state,
get_events : Some(rs_dhcp_state_get_events),
- get_eventinfo : Some(rs_dhcp_state_get_event_info),
- get_eventinfo_byid : None,
+ get_eventinfo : Some(DHCPEvent::get_event_info),
+ get_eventinfo_byid : Some(DHCPEvent::get_event_info_by_id),
localstorage_new : None,
localstorage_free : None,
get_files : None,