Revision control
Copy as Markdown
Other Tools
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![allow(
dead_code,
non_upper_case_globals,
non_snake_case,
clippy::too_many_lines,
clippy::cognitive_complexity
)]
use std::os::raw::{c_uint, c_void};
use crate::{
constants::Epoch,
err::{secstatus_to_res, Res},
};
include!(concat!(env!("OUT_DIR"), "/nss_ssl.rs"));
mod SSLOption {
include!(concat!(env!("OUT_DIR"), "/nss_sslopt.rs"));
}
// I clearly don't understand how bindgen operates.
pub enum PLArenaPool {}
pub enum PRFileDesc {}
// Remap some constants.
pub const SECSuccess: SECStatus = _SECStatus_SECSuccess;
pub const SECFailure: SECStatus = _SECStatus_SECFailure;
#[derive(Debug, Copy, Clone)]
pub enum Opt {
Locking,
Tickets,
OcspStapling,
Alpn,
ExtendedMasterSecret,
SignedCertificateTimestamps,
EarlyData,
RecordSizeLimit,
Tls13CompatMode,
HelloDowngradeCheck,
SuppressEndOfEarlyData,
Grease,
EnableChExtensionPermutation,
}
impl Opt {
// Cast is safe here because SSLOptions are within the i32 range
#[allow(clippy::cast_possible_wrap)]
#[must_use]
pub const fn as_int(self) -> PRInt32 {
let i = match self {
Self::Locking => SSLOption::SSL_NO_LOCKS,
Self::Tickets => SSLOption::SSL_ENABLE_SESSION_TICKETS,
Self::OcspStapling => SSLOption::SSL_ENABLE_OCSP_STAPLING,
Self::Alpn => SSLOption::SSL_ENABLE_ALPN,
Self::ExtendedMasterSecret => SSLOption::SSL_ENABLE_EXTENDED_MASTER_SECRET,
Self::SignedCertificateTimestamps => SSLOption::SSL_ENABLE_SIGNED_CERT_TIMESTAMPS,
Self::EarlyData => SSLOption::SSL_ENABLE_0RTT_DATA,
Self::RecordSizeLimit => SSLOption::SSL_RECORD_SIZE_LIMIT,
Self::Tls13CompatMode => SSLOption::SSL_ENABLE_TLS13_COMPAT_MODE,
Self::HelloDowngradeCheck => SSLOption::SSL_ENABLE_HELLO_DOWNGRADE_CHECK,
Self::SuppressEndOfEarlyData => SSLOption::SSL_SUPPRESS_END_OF_EARLY_DATA,
Self::Grease => SSLOption::SSL_ENABLE_GREASE,
Self::EnableChExtensionPermutation => SSLOption::SSL_ENABLE_CH_EXTENSION_PERMUTATION,
};
i as PRInt32
}
// Some options are backwards, like SSL_NO_LOCKS, so use this to manage that.
fn map_enabled(self, enabled: bool) -> PRIntn {
let v = match self {
Self::Locking => !enabled,
_ => enabled,
};
PRIntn::from(v)
}
pub(crate) fn set(self, fd: *mut PRFileDesc, value: bool) -> Res<()> {
secstatus_to_res(unsafe { SSL_OptionSet(fd, self.as_int(), self.map_enabled(value)) })
}
}
experimental_api!(SSL_GetCurrentEpoch(
fd: *mut PRFileDesc,
read_epoch: *mut u16,
write_epoch: *mut u16,
));
experimental_api!(SSL_HelloRetryRequestCallback(
fd: *mut PRFileDesc,
cb: SSLHelloRetryRequestCallback,
arg: *mut c_void,
));
experimental_api!(SSL_RecordLayerWriteCallback(
fd: *mut PRFileDesc,
cb: SSLRecordWriteCallback,
arg: *mut c_void,
));
experimental_api!(SSL_RecordLayerData(
fd: *mut PRFileDesc,
epoch: Epoch,
ct: SSLContentType::Type,
data: *const u8,
len: c_uint,
));
experimental_api!(SSL_SendSessionTicket(
fd: *mut PRFileDesc,
extra: *const u8,
len: c_uint,
));
experimental_api!(SSL_SetMaxEarlyDataSize(fd: *mut PRFileDesc, size: u32));
experimental_api!(SSL_SetResumptionToken(
fd: *mut PRFileDesc,
token: *const u8,
len: c_uint,
));
experimental_api!(SSL_SetResumptionTokenCallback(
fd: *mut PRFileDesc,
cb: SSLResumptionTokenCallback,
arg: *mut c_void,
));
experimental_api!(SSL_GetResumptionTokenInfo(
token: *const u8,
token_len: c_uint,
info: *mut SSLResumptionTokenInfo,
len: c_uint,
));
experimental_api!(SSL_DestroyResumptionTokenInfo(
info: *mut SSLResumptionTokenInfo,
));
#[cfg(test)]
mod tests {
use super::{SSL_GetNumImplementedCiphers, SSL_NumImplementedCiphers};
#[test]
fn num_ciphers() {
assert!(unsafe { SSL_NumImplementedCiphers } > 0);
assert!(unsafe { SSL_GetNumImplementedCiphers() } > 0);
assert_eq!(unsafe { SSL_NumImplementedCiphers }, unsafe {
SSL_GetNumImplementedCiphers()
});
}
}