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suricata/rust/src/krb/log.rs

75 lines
2.8 KiB
Rust

/* Copyright (C) 2018 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.
*/
// written by Pierre Chifflier <chifflier@wzdftpd.net>
use crate::jsonbuilder::{JsonBuilder, JsonError};
use crate::krb::krb5::{KRB5Transaction,test_weak_encryption};
fn krb5_log_response(jsb: &mut JsonBuilder, tx: &mut KRB5Transaction) -> Result<(), JsonError>
{
match tx.error_code {
Some(c) => {
jsb.set_string("msg_type", &format!("{:?}", tx.msg_type))?;
if let Some(req_type) = tx.req_type {
jsb.set_string("failed_request", &format!("{:?}", req_type))?;
} else {
// In case we capture the response but not the request
// we can't know the failed request type, since it could be
// AS-REQ or TGS-REQ
jsb.set_string("failed_request", "UNKNOWN")?;
}
jsb.set_string("error_code", &format!("{:?}", c))?;
},
None => { jsb.set_string("msg_type", &format!("{:?}", tx.msg_type))?; },
}
let cname = match tx.cname {
Some(ref x) => format!("{}", x),
None => "<empty>".to_owned(),
};
let realm = match tx.realm {
Some(ref x) => x.0.to_string(),
None => "<empty>".to_owned(),
};
let sname = match tx.sname {
Some(ref x) => format!("{}", x),
None => "<empty>".to_owned(),
};
let encryption = match tx.etype {
Some(ref x) => format!("{:?}", x),
None => "<none>".to_owned(),
};
jsb.set_string("cname", &cname)?;
jsb.set_string("realm", &realm)?;
jsb.set_string("sname", &sname)?;
jsb.set_string("encryption", &encryption)?;
jsb.set_bool("weak_encryption", tx.etype.map_or(false,test_weak_encryption))?;
if let Some(x) = tx.ticket_etype {
let refs = format!("{:?}", x);
jsb.set_string("ticket_encryption", &refs)?;
jsb.set_bool("ticket_weak_encryption", test_weak_encryption(x))?;
}
return Ok(());
}
#[no_mangle]
pub extern "C" fn rs_krb5_log_json_response(jsb: &mut JsonBuilder, tx: &mut KRB5Transaction) -> bool
{
krb5_log_response(jsb, tx).is_ok()
}