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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::jsonbuilder::{JsonBuilder, JsonError};
fn log_ssh(tx: &SSHTransaction, js: &mut JsonBuilder) -> Result<bool, JsonError> {
if tx.cli_hdr.protover.is_empty() && tx.srv_hdr.protover.is_empty() {
return Ok(false);
}
if !tx.cli_hdr.protover.is_empty() {
js.open_object("client")?;
js.set_string_from_bytes("proto_version", &tx.cli_hdr.protover)?;
if !tx.cli_hdr.swver.is_empty() {
js.set_string_from_bytes("software_version", &tx.cli_hdr.swver)?;
}
if !tx.cli_hdr.hassh.is_empty() || !tx.cli_hdr.hassh_string.is_empty() {
js.open_object("hassh")?;
if !tx.cli_hdr.hassh.is_empty() {
js.set_string_from_bytes("hash", &tx.cli_hdr.hassh)?;
}
if !tx.cli_hdr.hassh_string.is_empty() {
js.set_string_from_bytes("string", &tx.cli_hdr.hassh_string)?;
}
js.close()?;
}
js.close()?;
}
if !tx.srv_hdr.protover.is_empty() {
js.open_object("server")?;
js.set_string_from_bytes("proto_version", &tx.srv_hdr.protover)?;
if !tx.srv_hdr.swver.is_empty() {
js.set_string_from_bytes("software_version", &tx.srv_hdr.swver)?;
}
if !tx.srv_hdr.hassh.is_empty() || !tx.srv_hdr.hassh_string.is_empty() {
js.open_object("hassh")?;
if !tx.srv_hdr.hassh.is_empty() {
js.set_string_from_bytes("hash", &tx.srv_hdr.hassh)?;
}
if !tx.srv_hdr.hassh_string.is_empty() {
js.set_string_from_bytes("string", &tx.srv_hdr.hassh_string)?;
}
js.close()?;
}
js.close()?;
}
return Ok(true);
}
#[no_mangle]
pub unsafe extern "C" fn rs_ssh_log_json(tx: *mut std::os::raw::c_void, js: &mut JsonBuilder) -> bool {
let tx = cast_pointer!(tx, SSHTransaction);
if let Ok(x) = log_ssh(tx, js) {
return x;
}
return false;
}
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