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use webpki;
pub use crate::msgs::handshake::{DistinguishedName, DistinguishedNames};
use crate::pemfile;
use crate::x509;
use crate::key;
#[cfg(feature = "logging")]
use crate::log::{debug, trace};
use std::io;
#[derive(Debug, Clone)]
pub struct OwnedTrustAnchor {
subject: Vec<u8>,
spki: Vec<u8>,
name_constraints: Option<Vec<u8>>,
}
impl OwnedTrustAnchor {
fn from_trust_anchor(t: &webpki::TrustAnchor) -> OwnedTrustAnchor {
OwnedTrustAnchor {
subject: t.subject.to_vec(),
spki: t.spki.to_vec(),
name_constraints: t.name_constraints.map(|x| x.to_vec()),
}
}
pub fn to_trust_anchor(&self) -> webpki::TrustAnchor {
webpki::TrustAnchor {
subject: &self.subject,
spki: &self.spki,
name_constraints: self.name_constraints
.as_ref()
.map(Vec::as_slice),
}
}
}
#[derive(Debug, Clone)]
pub struct RootCertStore {
pub roots: Vec<OwnedTrustAnchor>,
}
impl RootCertStore {
pub fn empty() -> RootCertStore {
RootCertStore { roots: Vec::new() }
}
pub fn is_empty(&self) -> bool {
self.len() == 0
}
pub fn len(&self) -> usize {
self.roots.len()
}
pub fn get_subjects(&self) -> DistinguishedNames {
let mut r = DistinguishedNames::new();
for ota in &self.roots {
let mut name = Vec::new();
name.extend_from_slice(&ota.subject);
x509::wrap_in_sequence(&mut name);
r.push(DistinguishedName::new(name));
}
r
}
pub fn add(&mut self, der: &key::Certificate) -> Result<(), webpki::Error> {
let ta = webpki::trust_anchor_util::cert_der_as_trust_anchor(&der.0)?;
let ota = OwnedTrustAnchor::from_trust_anchor(&ta);
self.roots.push(ota);
Ok(())
}
pub fn add_server_trust_anchors(&mut self,
&webpki::TLSServerTrustAnchors(anchors):
&webpki::TLSServerTrustAnchors) {
for ta in anchors {
self.roots.push(OwnedTrustAnchor::from_trust_anchor(ta));
}
}
pub fn add_pem_file(&mut self, rd: &mut dyn io::BufRead) -> Result<(usize, usize), ()> {
let ders = pemfile::certs(rd)?;
let mut valid_count = 0;
let mut invalid_count = 0;
for der in ders {
#[cfg_attr(not(feature = "logging"), allow(unused_variables))]
match self.add(&der) {
Ok(_) => valid_count += 1,
Err(err) => {
trace!("invalid cert der {:?}", der);
debug!("certificate parsing failed: {:?}", err);
invalid_count += 1
}
}
}
debug!("add_pem_file processed {} valid and {} invalid certs",
valid_count,
invalid_count);
Ok((valid_count, invalid_count))
}
}