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/* 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 super::dhcp::{
DHCPTransaction, DHCP_OPT_ADDRESS_TIME, DHCP_OPT_REBINDING_TIME, DHCP_OPT_RENEWAL_TIME,
};
use super::parser::DHCPOptionWrapper;
#[no_mangle]
pub unsafe extern "C" fn rs_dhcp_tx_get_leasetime(
tx: &mut DHCPTransaction, leasetime: *mut u64,
) -> u8 {
for option in &tx.message.options {
if option.code == DHCP_OPT_ADDRESS_TIME {
if let DHCPOptionWrapper::TimeValue(ref time_value) = option.option {
*leasetime = time_value.seconds as u64;
return 1;
}
}
}
return 0;
}
#[no_mangle]
pub unsafe extern "C" fn rs_dhcp_tx_get_rebinding_time(
tx: &mut DHCPTransaction, res: *mut u64,
) -> u8 {
for option in &tx.message.options {
if option.code == DHCP_OPT_REBINDING_TIME {
if let DHCPOptionWrapper::TimeValue(ref time_value) = option.option {
*res = time_value.seconds as u64;
return 1;
}
}
}
return 0;
}
#[no_mangle]
pub unsafe extern "C" fn rs_dhcp_tx_get_renewal_time(
tx: &mut DHCPTransaction, res: *mut u64,
) -> u8 {
for option in &tx.message.options {
if option.code == DHCP_OPT_RENEWAL_TIME {
if let DHCPOptionWrapper::TimeValue(ref time_value) = option.option {
*res = time_value.seconds as u64;
return 1;
}
}
}
return 0;
}
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