This commit moves the uint logic into its own module.
DCERPCState, DCERPCTransaction, DCERPC_TYPE_REQUEST, DCERPC_TYPE_RESPONSE,
DCERPC_UUID_ENTRY_FLAG_FF,
};
-use crate::detect::detect::{detect_match_uint, detect_parse_uint, DetectUintData};
+use crate::detect::uint::{detect_match_uint, detect_parse_uint, DetectUintData};
use std::ffi::CStr;
use std::os::raw::{c_char, c_void};
use uuid::Uuid;
#[cfg(test)]
mod test {
use super::*;
- use crate::detect::detect::DetectUintMode;
+ use crate::detect::uint::DetectUintMode;
fn extract_op_version(i: &str) -> Result<(DetectUintMode, u16), ()> {
match detect_parse_uint(i) {
use nom7::branch::alt;
use nom7::bytes::complete::{is_a, tag, take_while};
use nom7::character::complete::{alpha0, char, digit1};
-use nom7::combinator::{all_consuming, map_opt, map_res, opt, value, verify};
+use nom7::combinator::{all_consuming, map_opt, map_res, opt, value};
use nom7::error::{make_error, ErrorKind};
use nom7::Err;
use nom7::IResult;
+use super::uint::*;
use std::ffi::{CStr, CString};
use std::str::FromStr;
-#[derive(PartialEq, Clone, Debug)]
-#[repr(u8)]
-pub enum DetectUintMode {
- DetectUintModeEqual,
- DetectUintModeLt,
- DetectUintModeLte,
- DetectUintModeGt,
- DetectUintModeGte,
- DetectUintModeRange,
- DetectUintModeNe,
-}
-
-#[derive(Debug)]
-#[repr(C)]
-pub struct DetectUintData<T> {
- pub arg1: T,
- pub arg2: T,
- pub mode: DetectUintMode,
-}
-
-pub trait DetectIntType:
- std::str::FromStr + std::cmp::PartialOrd + num::PrimInt + num::Bounded
-{
-}
-impl<T> DetectIntType for T where
- T: std::str::FromStr + std::cmp::PartialOrd + num::PrimInt + num::Bounded
-{
-}
-
-fn detect_parse_uint_start_equal<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
- let (i, _) = opt(tag("="))(i)?;
- let (i, _) = opt(is_a(" "))(i)?;
- let (i, arg1) = map_opt(digit1, |s: &str| s.parse::<T>().ok())(i)?;
- Ok((
- i,
- DetectUintData {
- arg1,
- arg2: T::min_value(),
- mode: DetectUintMode::DetectUintModeEqual,
- },
- ))
-}
-
-fn detect_parse_uint_start_interval<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
- let (i, arg1) = map_opt(digit1, |s: &str| s.parse::<T>().ok())(i)?;
- let (i, _) = opt(is_a(" "))(i)?;
- let (i, _) = alt((tag("-"), tag("<>")))(i)?;
- let (i, _) = opt(is_a(" "))(i)?;
- let (i, arg2) = verify(map_opt(digit1, |s: &str| s.parse::<T>().ok()), |x| {
- x > &arg1 && *x - arg1 > T::one()
- })(i)?;
- Ok((
- i,
- DetectUintData {
- arg1,
- arg2,
- mode: DetectUintMode::DetectUintModeRange,
- },
- ))
-}
-
-fn detect_parse_uint_start_interval_inclusive<T: DetectIntType>(
- i: &str,
-) -> IResult<&str, DetectUintData<T>> {
- let (i, arg1) = verify(map_opt(digit1, |s: &str| s.parse::<T>().ok()), |x| {
- *x > T::min_value()
- })(i)?;
- let (i, _) = opt(is_a(" "))(i)?;
- let (i, _) = alt((tag("-"), tag("<>")))(i)?;
- let (i, _) = opt(is_a(" "))(i)?;
- let (i, arg2) = verify(map_opt(digit1, |s: &str| s.parse::<T>().ok()), |x| {
- *x > arg1 && *x < T::max_value()
- })(i)?;
- Ok((
- i,
- DetectUintData {
- arg1: arg1 - T::one(),
- arg2: arg2 + T::one(),
- mode: DetectUintMode::DetectUintModeRange,
- },
- ))
-}
-
-fn detect_parse_uint_mode(i: &str) -> IResult<&str, DetectUintMode> {
- let (i, mode) = alt((
- value(DetectUintMode::DetectUintModeGte, tag(">=")),
- value(DetectUintMode::DetectUintModeLte, tag("<=")),
- value(DetectUintMode::DetectUintModeGt, tag(">")),
- value(DetectUintMode::DetectUintModeLt, tag("<")),
- value(DetectUintMode::DetectUintModeNe, tag("!=")),
- value(DetectUintMode::DetectUintModeNe, tag("!")),
- value(DetectUintMode::DetectUintModeEqual, tag("=")),
- ))(i)?;
- return Ok((i, mode));
-}
-
-fn detect_parse_uint_start_symbol<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
- let (i, mode) = detect_parse_uint_mode(i)?;
- let (i, _) = opt(is_a(" "))(i)?;
- let (i, arg1) = map_opt(digit1, |s: &str| s.parse::<T>().ok())(i)?;
-
- match mode {
- DetectUintMode::DetectUintModeNe => {}
- DetectUintMode::DetectUintModeLt => {
- if arg1 == T::min_value() {
- return Err(Err::Error(make_error(i, ErrorKind::Verify)));
- }
- }
- DetectUintMode::DetectUintModeLte => {
- if arg1 == T::max_value() {
- return Err(Err::Error(make_error(i, ErrorKind::Verify)));
- }
- }
- DetectUintMode::DetectUintModeGt => {
- if arg1 == T::max_value() {
- return Err(Err::Error(make_error(i, ErrorKind::Verify)));
- }
- }
- DetectUintMode::DetectUintModeGte => {
- if arg1 == T::min_value() {
- return Err(Err::Error(make_error(i, ErrorKind::Verify)));
- }
- }
- _ => {
- return Err(Err::Error(make_error(i, ErrorKind::MapOpt)));
- }
- }
-
- Ok((
- i,
- DetectUintData {
- arg1,
- arg2: T::min_value(),
- mode: mode,
- },
- ))
-}
-
-pub fn detect_match_uint<T: DetectIntType>(x: &DetectUintData<T>, val: T) -> bool {
- match x.mode {
- DetectUintMode::DetectUintModeEqual => {
- if val == x.arg1 {
- return true;
- }
- }
- DetectUintMode::DetectUintModeNe => {
- if val != x.arg1 {
- return true;
- }
- }
- DetectUintMode::DetectUintModeLt => {
- if val < x.arg1 {
- return true;
- }
- }
- DetectUintMode::DetectUintModeLte => {
- if val <= x.arg1 {
- return true;
- }
- }
- DetectUintMode::DetectUintModeGt => {
- if val > x.arg1 {
- return true;
- }
- }
- DetectUintMode::DetectUintModeGte => {
- if val >= x.arg1 {
- return true;
- }
- }
- DetectUintMode::DetectUintModeRange => {
- if val > x.arg1 && val < x.arg2 {
- return true;
- }
- }
- }
- return false;
-}
-
-pub fn detect_parse_uint_notending<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
- let (i, _) = opt(is_a(" "))(i)?;
- let (i, uint) = alt((
- detect_parse_uint_start_interval,
- detect_parse_uint_start_equal,
- detect_parse_uint_start_symbol,
- ))(i)?;
- Ok((i, uint))
-}
-
-pub fn detect_parse_uint<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
- let (i, uint) = detect_parse_uint_notending(i)?;
- let (i, _) = all_consuming(take_while(|c| c == ' '))(i)?;
- Ok((i, uint))
-}
-
-pub fn detect_parse_uint_inclusive<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
- let (i, _) = opt(is_a(" "))(i)?;
- let (i, uint) = alt((
- detect_parse_uint_start_interval_inclusive,
- detect_parse_uint_start_equal,
- detect_parse_uint_start_symbol,
- ))(i)?;
- let (i, _) = all_consuming(take_while(|c| c == ' '))(i)?;
- Ok((i, uint))
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u64_parse(
- ustr: *const std::os::raw::c_char,
-) -> *mut DetectUintData<u64> {
- let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
- if let Ok(s) = ft_name.to_str() {
- if let Ok((_, ctx)) = detect_parse_uint::<u64>(s) {
- let boxed = Box::new(ctx);
- return Box::into_raw(boxed) as *mut _;
- }
- }
- return std::ptr::null_mut();
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u64_match(
- arg: u64, ctx: &DetectUintData<u64>,
-) -> std::os::raw::c_int {
- if detect_match_uint(ctx, arg) {
- return 1;
- }
- return 0;
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u64_free(ctx: *mut std::os::raw::c_void) {
- // Just unbox...
- std::mem::drop(Box::from_raw(ctx as *mut DetectUintData<u64>));
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u32_parse(
- ustr: *const std::os::raw::c_char,
-) -> *mut DetectUintData<u32> {
- let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
- if let Ok(s) = ft_name.to_str() {
- if let Ok((_, ctx)) = detect_parse_uint::<u32>(s) {
- let boxed = Box::new(ctx);
- return Box::into_raw(boxed) as *mut _;
- }
- }
- return std::ptr::null_mut();
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u32_parse_inclusive(
- ustr: *const std::os::raw::c_char,
-) -> *mut DetectUintData<u32> {
- let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
- if let Ok(s) = ft_name.to_str() {
- if let Ok((_, ctx)) = detect_parse_uint_inclusive::<u32>(s) {
- let boxed = Box::new(ctx);
- return Box::into_raw(boxed) as *mut _;
- }
- }
- return std::ptr::null_mut();
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u32_match(
- arg: u32, ctx: &DetectUintData<u32>,
-) -> std::os::raw::c_int {
- if detect_match_uint(ctx, arg) {
- return 1;
- }
- return 0;
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u32_free(ctx: &mut DetectUintData<u32>) {
- // Just unbox...
- std::mem::drop(Box::from_raw(ctx));
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u8_parse(
- ustr: *const std::os::raw::c_char,
-) -> *mut DetectUintData<u8> {
- let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
- if let Ok(s) = ft_name.to_str() {
- if let Ok((_, ctx)) = detect_parse_uint::<u8>(s) {
- let boxed = Box::new(ctx);
- return Box::into_raw(boxed) as *mut _;
- }
- }
- return std::ptr::null_mut();
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u8_match(
- arg: u8, ctx: &DetectUintData<u8>,
-) -> std::os::raw::c_int {
- if detect_match_uint(ctx, arg) {
- return 1;
- }
- return 0;
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u8_free(ctx: &mut DetectUintData<u8>) {
- // Just unbox...
- std::mem::drop(Box::from_raw(ctx));
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u16_parse(
- ustr: *const std::os::raw::c_char,
-) -> *mut DetectUintData<u16> {
- let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
- if let Ok(s) = ft_name.to_str() {
- if let Ok((_, ctx)) = detect_parse_uint::<u16>(s) {
- let boxed = Box::new(ctx);
- return Box::into_raw(boxed) as *mut _;
- }
- }
- return std::ptr::null_mut();
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u16_match(
- arg: u16, ctx: &DetectUintData<u16>,
-) -> std::os::raw::c_int {
- if detect_match_uint(ctx, arg) {
- return 1;
- }
- return 0;
-}
-
-#[no_mangle]
-pub unsafe extern "C" fn rs_detect_u16_free(ctx: &mut DetectUintData<u16>) {
- // Just unbox...
- std::mem::drop(Box::from_raw(ctx));
-}
-
#[repr(u8)]
#[derive(Clone, Copy, PartialEq, FromPrimitive, Debug)]
pub enum DetectStreamSizeDataFlags {
*/
pub mod byte_math;
+pub mod uint;
pub mod detect;
pub mod error;
pub mod parser;
--- /dev/null
+/* Copyright (C) 2022 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+use nom7::branch::alt;
+use nom7::bytes::complete::{is_a, tag, take_while};
+use nom7::character::complete::digit1;
+use nom7::combinator::{all_consuming, map_opt, opt, value, verify};
+use nom7::error::{make_error, ErrorKind};
+use nom7::Err;
+use nom7::IResult;
+
+use std::ffi::CStr;
+
+#[derive(PartialEq, Clone, Debug)]
+#[repr(u8)]
+pub enum DetectUintMode {
+ DetectUintModeEqual,
+ DetectUintModeLt,
+ DetectUintModeLte,
+ DetectUintModeGt,
+ DetectUintModeGte,
+ DetectUintModeRange,
+ DetectUintModeNe,
+}
+
+#[derive(Debug)]
+#[repr(C)]
+pub struct DetectUintData<T> {
+ pub arg1: T,
+ pub arg2: T,
+ pub mode: DetectUintMode,
+}
+
+pub trait DetectIntType:
+ std::str::FromStr + std::cmp::PartialOrd + num::PrimInt + num::Bounded
+{
+}
+impl<T> DetectIntType for T where
+ T: std::str::FromStr + std::cmp::PartialOrd + num::PrimInt + num::Bounded
+{
+}
+
+pub fn detect_parse_uint_start_equal<T: DetectIntType>(
+ i: &str,
+) -> IResult<&str, DetectUintData<T>> {
+ let (i, _) = opt(tag("="))(i)?;
+ let (i, _) = opt(is_a(" "))(i)?;
+ let (i, arg1) = map_opt(digit1, |s: &str| s.parse::<T>().ok())(i)?;
+ Ok((
+ i,
+ DetectUintData {
+ arg1,
+ arg2: T::min_value(),
+ mode: DetectUintMode::DetectUintModeEqual,
+ },
+ ))
+}
+
+pub fn detect_parse_uint_start_interval<T: DetectIntType>(
+ i: &str,
+) -> IResult<&str, DetectUintData<T>> {
+ let (i, arg1) = map_opt(digit1, |s: &str| s.parse::<T>().ok())(i)?;
+ let (i, _) = opt(is_a(" "))(i)?;
+ let (i, _) = alt((tag("-"), tag("<>")))(i)?;
+ let (i, _) = opt(is_a(" "))(i)?;
+ let (i, arg2) = verify(map_opt(digit1, |s: &str| s.parse::<T>().ok()), |x| {
+ x > &arg1 && *x - arg1 > T::one()
+ })(i)?;
+ Ok((
+ i,
+ DetectUintData {
+ arg1,
+ arg2,
+ mode: DetectUintMode::DetectUintModeRange,
+ },
+ ))
+}
+
+fn detect_parse_uint_start_interval_inclusive<T: DetectIntType>(
+ i: &str,
+) -> IResult<&str, DetectUintData<T>> {
+ let (i, arg1) = verify(map_opt(digit1, |s: &str| s.parse::<T>().ok()), |x| {
+ *x > T::min_value()
+ })(i)?;
+ let (i, _) = opt(is_a(" "))(i)?;
+ let (i, _) = alt((tag("-"), tag("<>")))(i)?;
+ let (i, _) = opt(is_a(" "))(i)?;
+ let (i, arg2) = verify(map_opt(digit1, |s: &str| s.parse::<T>().ok()), |x| {
+ *x > arg1 && *x < T::max_value()
+ })(i)?;
+ Ok((
+ i,
+ DetectUintData {
+ arg1: arg1 - T::one(),
+ arg2: arg2 + T::one(),
+ mode: DetectUintMode::DetectUintModeRange,
+ },
+ ))
+}
+
+pub fn detect_parse_uint_mode(i: &str) -> IResult<&str, DetectUintMode> {
+ let (i, mode) = alt((
+ value(DetectUintMode::DetectUintModeGte, tag(">=")),
+ value(DetectUintMode::DetectUintModeLte, tag("<=")),
+ value(DetectUintMode::DetectUintModeGt, tag(">")),
+ value(DetectUintMode::DetectUintModeLt, tag("<")),
+ value(DetectUintMode::DetectUintModeNe, tag("!=")),
+ value(DetectUintMode::DetectUintModeNe, tag("!")),
+ value(DetectUintMode::DetectUintModeEqual, tag("=")),
+ ))(i)?;
+ return Ok((i, mode));
+}
+
+fn detect_parse_uint_start_symbol<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
+ let (i, mode) = detect_parse_uint_mode(i)?;
+ let (i, _) = opt(is_a(" "))(i)?;
+ let (i, arg1) = map_opt(digit1, |s: &str| s.parse::<T>().ok())(i)?;
+
+ match mode {
+ DetectUintMode::DetectUintModeNe => {}
+ DetectUintMode::DetectUintModeLt => {
+ if arg1 == T::min_value() {
+ return Err(Err::Error(make_error(i, ErrorKind::Verify)));
+ }
+ }
+ DetectUintMode::DetectUintModeLte => {
+ if arg1 == T::max_value() {
+ return Err(Err::Error(make_error(i, ErrorKind::Verify)));
+ }
+ }
+ DetectUintMode::DetectUintModeGt => {
+ if arg1 == T::max_value() {
+ return Err(Err::Error(make_error(i, ErrorKind::Verify)));
+ }
+ }
+ DetectUintMode::DetectUintModeGte => {
+ if arg1 == T::min_value() {
+ return Err(Err::Error(make_error(i, ErrorKind::Verify)));
+ }
+ }
+ _ => {
+ return Err(Err::Error(make_error(i, ErrorKind::MapOpt)));
+ }
+ }
+
+ Ok((
+ i,
+ DetectUintData {
+ arg1,
+ arg2: T::min_value(),
+ mode: mode,
+ },
+ ))
+}
+
+pub fn detect_match_uint<T: DetectIntType>(x: &DetectUintData<T>, val: T) -> bool {
+ match x.mode {
+ DetectUintMode::DetectUintModeEqual => {
+ if val == x.arg1 {
+ return true;
+ }
+ }
+ DetectUintMode::DetectUintModeNe => {
+ if val != x.arg1 {
+ return true;
+ }
+ }
+ DetectUintMode::DetectUintModeLt => {
+ if val < x.arg1 {
+ return true;
+ }
+ }
+ DetectUintMode::DetectUintModeLte => {
+ if val <= x.arg1 {
+ return true;
+ }
+ }
+ DetectUintMode::DetectUintModeGt => {
+ if val > x.arg1 {
+ return true;
+ }
+ }
+ DetectUintMode::DetectUintModeGte => {
+ if val >= x.arg1 {
+ return true;
+ }
+ }
+ DetectUintMode::DetectUintModeRange => {
+ if val > x.arg1 && val < x.arg2 {
+ return true;
+ }
+ }
+ }
+ return false;
+}
+
+pub fn detect_parse_uint_notending<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
+ let (i, _) = opt(is_a(" "))(i)?;
+ let (i, uint) = alt((
+ detect_parse_uint_start_interval,
+ detect_parse_uint_start_equal,
+ detect_parse_uint_start_symbol,
+ ))(i)?;
+ Ok((i, uint))
+}
+
+pub fn detect_parse_uint<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
+ let (i, uint) = detect_parse_uint_notending(i)?;
+ let (i, _) = all_consuming(take_while(|c| c == ' '))(i)?;
+ Ok((i, uint))
+}
+
+pub fn detect_parse_uint_inclusive<T: DetectIntType>(i: &str) -> IResult<&str, DetectUintData<T>> {
+ let (i, _) = opt(is_a(" "))(i)?;
+ let (i, uint) = alt((
+ detect_parse_uint_start_interval_inclusive,
+ detect_parse_uint_start_equal,
+ detect_parse_uint_start_symbol,
+ ))(i)?;
+ let (i, _) = all_consuming(take_while(|c| c == ' '))(i)?;
+ Ok((i, uint))
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u64_parse(
+ ustr: *const std::os::raw::c_char,
+) -> *mut DetectUintData<u64> {
+ let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
+ if let Ok(s) = ft_name.to_str() {
+ if let Ok((_, ctx)) = detect_parse_uint::<u64>(s) {
+ let boxed = Box::new(ctx);
+ return Box::into_raw(boxed) as *mut _;
+ }
+ }
+ return std::ptr::null_mut();
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u64_match(
+ arg: u64, ctx: &DetectUintData<u64>,
+) -> std::os::raw::c_int {
+ if detect_match_uint(ctx, arg) {
+ return 1;
+ }
+ return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u64_free(ctx: *mut std::os::raw::c_void) {
+ // Just unbox...
+ std::mem::drop(Box::from_raw(ctx as *mut DetectUintData<u64>));
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u32_parse(
+ ustr: *const std::os::raw::c_char,
+) -> *mut DetectUintData<u32> {
+ let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
+ if let Ok(s) = ft_name.to_str() {
+ if let Ok((_, ctx)) = detect_parse_uint::<u32>(s) {
+ let boxed = Box::new(ctx);
+ return Box::into_raw(boxed) as *mut _;
+ }
+ }
+ return std::ptr::null_mut();
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u32_parse_inclusive(
+ ustr: *const std::os::raw::c_char,
+) -> *mut DetectUintData<u32> {
+ let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
+ if let Ok(s) = ft_name.to_str() {
+ if let Ok((_, ctx)) = detect_parse_uint_inclusive::<u32>(s) {
+ let boxed = Box::new(ctx);
+ return Box::into_raw(boxed) as *mut _;
+ }
+ }
+ return std::ptr::null_mut();
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u32_match(
+ arg: u32, ctx: &DetectUintData<u32>,
+) -> std::os::raw::c_int {
+ if detect_match_uint(ctx, arg) {
+ return 1;
+ }
+ return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u32_free(ctx: &mut DetectUintData<u32>) {
+ // Just unbox...
+ std::mem::drop(Box::from_raw(ctx));
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u8_parse(
+ ustr: *const std::os::raw::c_char,
+) -> *mut DetectUintData<u8> {
+ let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
+ if let Ok(s) = ft_name.to_str() {
+ if let Ok((_, ctx)) = detect_parse_uint::<u8>(s) {
+ let boxed = Box::new(ctx);
+ return Box::into_raw(boxed) as *mut _;
+ }
+ }
+ return std::ptr::null_mut();
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u8_match(
+ arg: u8, ctx: &DetectUintData<u8>,
+) -> std::os::raw::c_int {
+ if detect_match_uint(ctx, arg) {
+ return 1;
+ }
+ return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u8_free(ctx: &mut DetectUintData<u8>) {
+ // Just unbox...
+ std::mem::drop(Box::from_raw(ctx));
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u16_parse(
+ ustr: *const std::os::raw::c_char,
+) -> *mut DetectUintData<u16> {
+ let ft_name: &CStr = CStr::from_ptr(ustr); //unsafe
+ if let Ok(s) = ft_name.to_str() {
+ if let Ok((_, ctx)) = detect_parse_uint::<u16>(s) {
+ let boxed = Box::new(ctx);
+ return Box::into_raw(boxed) as *mut _;
+ }
+ }
+ return std::ptr::null_mut();
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u16_match(
+ arg: u16, ctx: &DetectUintData<u16>,
+) -> std::os::raw::c_int {
+ if detect_match_uint(ctx, arg) {
+ return 1;
+ }
+ return 0;
+}
+
+#[no_mangle]
+pub unsafe extern "C" fn rs_detect_u16_free(ctx: &mut DetectUintData<u16>) {
+ // Just unbox...
+ std::mem::drop(Box::from_raw(ctx));
+}
};
use super::parser;
use crate::core::Direction;
-use crate::detect::detect::{detect_match_uint, DetectUintData};
+use crate::detect::uint::{detect_match_uint, DetectUintData};
use std::ffi::CStr;
use std::str::FromStr;
use super::huffman;
use crate::common::nom7::bits;
-use crate::detect::detect::{detect_parse_uint, DetectUintData};
+use crate::detect::uint::{detect_parse_uint, DetectUintData};
use crate::http2::http2::{HTTP2DynTable, HTTP2_MAX_TABLESIZE};
use nom7::bits::streaming::take as take_bits;
use nom7::branch::alt;
mod tests {
use super::*;
- use crate::detect::detect::DetectUintMode;
+ use crate::detect::uint::DetectUintMode;
#[test]
fn test_http2_parse_header() {
use crate::smb::smb::*;
use crate::dcerpc::detect::{DCEIfaceData, DCEOpnumData, DETECT_DCE_OPNUM_RANGE_UNINITIALIZED};
use crate::dcerpc::dcerpc::DCERPC_TYPE_REQUEST;
-use crate::detect::detect::detect_match_uint;
+use crate::detect::uint::detect_match_uint;
#[no_mangle]
pub unsafe extern "C" fn rs_smb_tx_get_share(tx: &mut SMBTransaction,