1 /* Copyright (C) 2018-2020 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 // written by Pierre Chifflier  <chifflier@wzdftpd.net>
19 
20 use crate::jsonbuilder::{JsonBuilder, JsonError};
21 use crate::ikev2::ikev2::{IKEV2State,IKEV2Transaction};
22 
23 use crate::ikev2::ipsec_parser::IKEV2_FLAG_INITIATOR;
24 
ikev2_log_response(state: &mut IKEV2State, tx: &mut IKEV2Transaction, jb: &mut JsonBuilder) -> Result<(), JsonError>25 fn ikev2_log_response(state: &mut IKEV2State,
26                       tx: &mut IKEV2Transaction,
27                       jb: &mut JsonBuilder)
28                       -> Result<(), JsonError>
29 {
30     jb.set_uint("version_major", tx.hdr.maj_ver as u64)?;
31     jb.set_uint("version_minor", tx.hdr.min_ver as u64)?;
32     jb.set_uint("exchange_type", tx.hdr.exch_type.0 as u64)?;
33     jb.set_uint("message_id", tx.hdr.msg_id as u64)?;
34     jb.set_string("init_spi", &format!("{:016x}", tx.hdr.init_spi))?;
35     jb.set_string("resp_spi", &format!("{:016x}", tx.hdr.resp_spi))?;
36     if tx.hdr.flags & IKEV2_FLAG_INITIATOR != 0 {
37         jb.set_string("role", &"initiator")?;
38     } else {
39         jb.set_string("role", &"responder")?;
40         jb.set_string("alg_enc", &format!("{:?}", state.alg_enc))?;
41         jb.set_string("alg_auth", &format!("{:?}", state.alg_auth))?;
42         jb.set_string("alg_prf", &format!("{:?}", state.alg_prf))?;
43         jb.set_string("alg_dh", &format!("{:?}", state.alg_dh))?;
44         jb.set_string("alg_esn", &format!("{:?}", state.alg_esn))?;
45     }
46     jb.set_uint("errors", tx.errors as u64)?;
47     jb.open_array("payload")?;
48     for payload in tx.payload_types.iter() {
49         jb.append_string(&format!("{:?}", payload))?;
50     }
51     jb.close()?;
52     jb.open_array("notify")?;
53     for notify in tx.notify_types.iter() {
54         jb.append_string(&format!("{:?}", notify))?;
55     }
56     jb.close()?;
57     Ok(())
58 }
59 
60 #[no_mangle]
rs_ikev2_log_json_response(state: &mut IKEV2State, tx: &mut IKEV2Transaction, jb: &mut JsonBuilder) -> bool61 pub extern "C" fn rs_ikev2_log_json_response(state: &mut IKEV2State,
62                                              tx: &mut IKEV2Transaction,
63                                              jb: &mut JsonBuilder)
64                                              -> bool
65 {
66     ikev2_log_response(state, tx, jb).is_ok()
67 }
68