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// Copyright 2021 Contributors to the Parsec project.
// SPDX-License-Identifier: Apache-2.0
//! Session management functions
use cryptoki_sys::{CKF_RW_SESSION, CKF_SERIAL_SESSION};
use crate::context::Pkcs11;
use crate::error::{Result, Rv};
use crate::session::Session;
use crate::slot::Slot;
use super::Function;
impl Pkcs11 {
#[inline(always)]
fn open_session(&self, slot_id: Slot, read_write: bool) -> Result<Session> {
let mut session_handle = 0;
let flags = if read_write {
CKF_SERIAL_SESSION | CKF_RW_SESSION
} else {
CKF_SERIAL_SESSION
};
unsafe {
Rv::from(get_pkcs11!(self, C_OpenSession)(
slot_id.into(),
flags,
// TODO: abstract those types or create new functions for callbacks
std::ptr::null_mut(),
None,
&mut session_handle,
))
.into_result(Function::OpenSession)?;
}
Ok(Session::new(session_handle, self.clone()))
}
/// Open a new Read-Only session
///
/// For a Read-Write session, use `open_rw_session`
///
/// Note: No callback is set when opening the session.
pub fn open_ro_session(&self, slot_id: Slot) -> Result<Session> {
self.open_session(slot_id, false)
}
/// Open a new Read/Write session
///
/// Note: No callback is set when opening the session.
pub fn open_rw_session(&self, slot_id: Slot) -> Result<Session> {
self.open_session(slot_id, true)
}
}