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/* Copyright (C) 2020 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 super::ssh::SSHTransaction;
use crate::core::Direction;
use std::ptr;
#[no_mangle]
pub unsafe extern "C" fn rs_ssh_tx_get_protocol(
tx: *mut std::os::raw::c_void, buffer: *mut *const u8, buffer_len: *mut u32, direction: u8,
) -> u8 {
let tx = cast_pointer!(tx, SSHTransaction);
match direction.into() {
Direction::ToServer => {
let m = &tx.cli_hdr.protover;
if !m.is_empty() {
*buffer = m.as_ptr();
*buffer_len = m.len() as u32;
return 1;
}
}
Direction::ToClient => {
let m = &tx.srv_hdr.protover;
if !m.is_empty() {
*buffer = m.as_ptr();
*buffer_len = m.len() as u32;
return 1;
}
}
}
*buffer = ptr::null();
*buffer_len = 0;
return 0;
}
#[no_mangle]
pub unsafe extern "C" fn rs_ssh_tx_get_software(
tx: *mut std::os::raw::c_void, buffer: *mut *const u8, buffer_len: *mut u32, direction: u8,
) -> u8 {
let tx = cast_pointer!(tx, SSHTransaction);
match direction.into() {
Direction::ToServer => {
let m = &tx.cli_hdr.swver;
if !m.is_empty() {
*buffer = m.as_ptr();
*buffer_len = m.len() as u32;
return 1;
}
}
Direction::ToClient => {
let m = &tx.srv_hdr.swver;
if !m.is_empty() {
*buffer = m.as_ptr();
*buffer_len = m.len() as u32;
return 1;
}
}
}
*buffer = ptr::null();
*buffer_len = 0;
return 0;
}
#[no_mangle]
pub unsafe extern "C" fn rs_ssh_tx_get_hassh(
tx: *mut std::os::raw::c_void,
buffer: *mut *const u8,
buffer_len: *mut u32,
direction: u8,
) -> u8 {
let tx = cast_pointer!(tx, SSHTransaction);
match direction.into() {
Direction::ToServer => {
let m = &tx.cli_hdr.hassh;
if !m.is_empty() {
*buffer = m.as_ptr();
*buffer_len = m.len() as u32;
return 1;
}
}
Direction::ToClient => {
let m = &tx.srv_hdr.hassh;
if !m.is_empty() {
*buffer = m.as_ptr();
*buffer_len = m.len() as u32;
return 1;
}
}
}
*buffer = ptr::null();
*buffer_len = 0;
return 0;
}
#[no_mangle]
pub unsafe extern "C" fn rs_ssh_tx_get_hassh_string(
tx: *mut std::os::raw::c_void,
buffer: *mut *const u8,
buffer_len: *mut u32,
direction: u8,
) -> u8 {
let tx = cast_pointer!(tx, SSHTransaction);
match direction.into() {
Direction::ToServer => {
let m = &tx.cli_hdr.hassh_string;
if !m.is_empty() {
*buffer = m.as_ptr();
*buffer_len = m.len() as u32;
return 1;
}
}
Direction::ToClient => {
let m = &tx.srv_hdr.hassh_string;
if !m.is_empty() {
*buffer = m.as_ptr();
*buffer_len = m.len() as u32;
return 1;
}
}
}
*buffer = ptr::null();
*buffer_len = 0;
return 0;
}
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