Try to detect Certificate and Identity errors earlier

This commit is contained in:
Sean McArthur
2019-01-11 13:19:39 -08:00
parent 23e13304ef
commit 81b4d26682
2 changed files with 154 additions and 72 deletions

View File

@@ -35,7 +35,7 @@ use {IntoUrl, Method, Proxy, StatusCode, Url};
#[cfg(feature = "tls")]
use {Certificate, Identity};
#[cfg(feature = "tls")]
use ::tls::{TlsBackend, inner as tls_inner};
use ::tls::TlsBackend;
static DEFAULT_USER_AGENT: &'static str =
concat!(env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION"));
@@ -128,32 +128,17 @@ impl ClientBuilder {
tls.danger_accept_invalid_certs(!config.certs_verification);
for cert in config.root_certs {
let cert = match cert.inner {
tls_inner::Certificate::Der(buf) =>
try_!(::native_tls::Certificate::from_der(&buf)),
tls_inner::Certificate::Pem(buf) =>
try_!(::native_tls::Certificate::from_pem(&buf))
};
tls.add_root_certificate(cert);
cert.add_to_native_tls(&mut tls);
}
if let Some(id) = config.identity {
let id = match id.inner {
tls_inner::Identity::Pkcs12(buf, passwd) =>
try_!(::native_tls::Identity::from_pkcs12(&buf, &passwd)),
#[cfg(feature = "rustls-tls")]
_ => return Err(::error::from(::error::Kind::TlsIncompatible))
};
tls.identity(id);
id.add_to_native_tls(&mut tls)?;
}
Connector::new_default_tls(tls, proxies.clone())?
},
#[cfg(feature = "rustls-tls")]
TlsBackend::Rustls => {
use std::io::Cursor;
use rustls::TLSError;
use rustls::internal::pemfile;
use ::tls::NoVerifier;
let mut tls = ::rustls::ClientConfig::new();
@@ -164,44 +149,11 @@ impl ClientBuilder {
}
for cert in config.root_certs {
match cert.inner {
tls_inner::Certificate::Der(buf) => try_!(tls.root_store.add(&::rustls::Certificate(buf))
.map_err(TLSError::WebPKIError)),
tls_inner::Certificate::Pem(buf) => {
let mut pem = Cursor::new(buf);
let mut certs = try_!(pemfile::certs(&mut pem)
.map_err(|_| TLSError::General(String::from("No valid certificate was found"))));
for c in certs {
try_!(tls.root_store.add(&c)
.map_err(TLSError::WebPKIError));
}
}
}
cert.add_to_rustls(&mut tls)?;
}
if let Some(id) = config.identity {
let (key, certs) = match id.inner {
tls_inner::Identity::Pem(buf) => {
let mut pem = Cursor::new(buf);
let mut certs = try_!(pemfile::certs(&mut pem)
.map_err(|_| TLSError::General(String::from("No valid certificate was found"))));
pem.set_position(0);
let mut sk = try_!(pemfile::pkcs8_private_keys(&mut pem)
.or_else(|_| {
pem.set_position(0);
pemfile::rsa_private_keys(&mut pem)
})
.map_err(|_| TLSError::General(String::from("No valid private key was found"))));
if let (Some(sk), false) = (sk.pop(), certs.is_empty()) {
(sk, certs)
} else {
return Err(::error::from(TLSError::General(String::from("private key or certificate not found"))));
}
},
#[cfg(feature = "default-tls")]
_ => return Err(::error::from(::error::Kind::TlsIncompatible))
};
tls.set_single_client_cert(certs, key);
id.add_to_rustls(&mut tls)?;
}
Connector::new_rustls_tls(tls, proxies.clone())?

View File

@@ -6,25 +6,30 @@ use tokio_rustls::webpki::DNSNameRef;
/// Represent a server X509 certificate.
pub struct Certificate {
pub(crate) inner: inner::Certificate
#[cfg(feature = "default-tls")]
native: ::native_tls::Certificate,
#[cfg(feature = "rustls-tls")]
original: Cert,
}
#[cfg(feature = "rustls-tls")]
enum Cert {
Der(Vec<u8>),
Pem(Vec<u8>)
}
/// Represent a private key and X509 cert as a client certificate.
pub struct Identity {
pub(crate) inner: inner::Identity
inner: ClientCert,
}
pub(crate) mod inner {
pub(crate) enum Certificate {
Der(Vec<u8>),
Pem(Vec<u8>)
}
pub(crate) enum Identity {
#[cfg(feature = "default-tls")]
Pkcs12(Vec<u8>, String),
#[cfg(feature = "rustls-tls")]
Pem(Vec<u8>),
enum ClientCert {
#[cfg(feature = "default-tls")]
Pkcs12(::native_tls::Identity),
#[cfg(feature = "rustls-tls")]
Pem {
key: ::rustls::PrivateKey,
certs: Vec<::rustls::Certificate>,
}
}
@@ -47,7 +52,10 @@ impl Certificate {
/// ```
pub fn from_der(der: &[u8]) -> ::Result<Certificate> {
Ok(Certificate {
inner: inner::Certificate::Der(der.to_owned())
#[cfg(feature = "default-tls")]
native: try_!(::native_tls::Certificate::from_der(der)),
#[cfg(feature = "rustls-tls")]
original: Cert::Der(der.to_owned()),
})
}
@@ -68,11 +76,47 @@ impl Certificate {
/// # Ok(())
/// # }
/// ```
pub fn from_pem(der: &[u8]) -> ::Result<Certificate> {
pub fn from_pem(pem: &[u8]) -> ::Result<Certificate> {
Ok(Certificate {
inner: inner::Certificate::Pem(der.to_owned())
#[cfg(feature = "default-tls")]
native: try_!(::native_tls::Certificate::from_pem(pem)),
#[cfg(feature = "rustls-tls")]
original: Cert::Pem(pem.to_owned())
})
}
#[cfg(feature = "default-tls")]
pub(crate) fn add_to_native_tls(
self,
tls: &mut ::native_tls::TlsConnectorBuilder,
) {
tls.add_root_certificate(self.native);
}
#[cfg(feature = "rustls-tls")]
pub(crate) fn add_to_rustls(
self,
tls: &mut ::rustls::ClientConfig,
) -> ::Result<()> {
use std::io::Cursor;
use rustls::TLSError;
use rustls::internal::pemfile;
match self.original {
Cert::Der(buf) => try_!(tls.root_store.add(&::rustls::Certificate(buf))
.map_err(TLSError::WebPKIError)),
Cert::Pem(buf) => {
let mut pem = Cursor::new(buf);
let mut certs = try_!(pemfile::certs(&mut pem)
.map_err(|_| TLSError::General(String::from("No valid certificate was found"))));
for c in certs {
try_!(tls.root_store.add(&c)
.map_err(TLSError::WebPKIError));
}
}
}
Ok(())
}
}
impl Identity {
@@ -106,7 +150,9 @@ impl Identity {
#[cfg(feature = "default-tls")]
pub fn from_pkcs12_der(der: &[u8], password: &str) -> ::Result<Identity> {
Ok(Identity {
inner: inner::Identity::Pkcs12(der.to_owned(), password.to_owned())
inner: ClientCert::Pkcs12(
try_!(::native_tls::Identity::from_pkcs12(der, password))
),
})
}
@@ -130,11 +176,66 @@ impl Identity {
/// # }
/// ```
#[cfg(feature = "rustls-tls")]
pub fn from_pem(pem: &[u8]) -> ::Result<Identity> {
pub fn from_pem(buf: &[u8]) -> ::Result<Identity> {
use std::io::Cursor;
use rustls::TLSError;
use rustls::internal::pemfile;
let (key, certs) = {
let mut pem = Cursor::new(buf);
let mut certs = try_!(pemfile::certs(&mut pem)
.map_err(|_| TLSError::General(String::from("No valid certificate was found"))));
pem.set_position(0);
let mut sk = try_!(pemfile::pkcs8_private_keys(&mut pem)
.or_else(|_| {
pem.set_position(0);
pemfile::rsa_private_keys(&mut pem)
})
.map_err(|_| TLSError::General(String::from("No valid private key was found"))));
if let (Some(sk), false) = (sk.pop(), certs.is_empty()) {
(sk, certs)
} else {
return Err(::error::from(TLSError::General(String::from("private key or certificate not found"))));
}
};
Ok(Identity {
inner: inner::Identity::Pem(pem.to_owned())
inner: ClientCert::Pem {
key,
certs,
},
})
}
#[cfg(feature = "default-tls")]
pub(crate) fn add_to_native_tls(
self,
tls: &mut ::native_tls::TlsConnectorBuilder,
) -> ::Result<()> {
match self.inner {
ClientCert::Pkcs12(id) => {
tls.identity(id);
Ok(())
},
#[cfg(feature = "rustls-tls")]
ClientCert::Pem { .. } => Err(::error::from(::error::Kind::TlsIncompatible))
}
}
#[cfg(feature = "rustls-tls")]
pub(crate) fn add_to_rustls(
self,
tls: &mut ::rustls::ClientConfig,
) -> ::Result<()> {
match self.inner {
ClientCert::Pem { key, certs } => {
tls.set_single_client_cert(certs, key);
Ok(())
},
#[cfg(feature = "default-tls")]
ClientCert::Pkcs12(..) => return Err(::error::from(::error::Kind::TlsIncompatible))
}
}
}
impl fmt::Debug for Certificate {
@@ -183,3 +284,32 @@ impl ServerCertVerifier for NoVerifier {
Ok(ServerCertVerified::assertion())
}
}
#[cfg(test)]
mod tests {
use super::*;
#[cfg(feature = "default-tls")]
#[test]
fn certificate_from_der_invalid() {
Certificate::from_der(b"not der").unwrap_err();
}
#[cfg(feature = "default-tls")]
#[test]
fn certificate_from_pem_invalid() {
Certificate::from_pem(b"not pem").unwrap_err();
}
#[cfg(feature = "default-tls")]
#[test]
fn identity_from_pkcs12_der_invalid() {
Identity::from_pkcs12_der(b"not der", "nope").unwrap_err();
}
#[cfg(feature = "rustls-tls")]
#[test]
fn identity_from_pem_invalid() {
Identity::from_pem(b"not pem").unwrap_err();
}
}