1 | use alloc::boxed::Box; |
2 | use alloc::vec::Vec; |
3 | |
4 | use super::ResolvesClientCert; |
5 | use crate::log::{debug, trace}; |
6 | use crate::msgs::enums::ExtensionType; |
7 | use crate::msgs::handshake::{CertificateChain, DistinguishedName, ServerExtension}; |
8 | use crate::sync::Arc; |
9 | use crate::{SignatureScheme, compress, sign}; |
10 | |
11 | #[derive (Debug)] |
12 | pub(super) struct ServerCertDetails<'a> { |
13 | pub(super) cert_chain: CertificateChain<'a>, |
14 | pub(super) ocsp_response: Vec<u8>, |
15 | } |
16 | |
17 | impl<'a> ServerCertDetails<'a> { |
18 | pub(super) fn new(cert_chain: CertificateChain<'a>, ocsp_response: Vec<u8>) -> Self { |
19 | Self { |
20 | cert_chain, |
21 | ocsp_response, |
22 | } |
23 | } |
24 | |
25 | pub(super) fn into_owned(self) -> ServerCertDetails<'static> { |
26 | let Self { |
27 | cert_chain: CertificateChain<'a>, |
28 | ocsp_response: Vec, |
29 | } = self; |
30 | ServerCertDetails { |
31 | cert_chain: cert_chain.into_owned(), |
32 | ocsp_response, |
33 | } |
34 | } |
35 | } |
36 | |
37 | pub(super) struct ClientHelloDetails { |
38 | pub(super) sent_extensions: Vec<ExtensionType>, |
39 | pub(super) extension_order_seed: u16, |
40 | pub(super) offered_cert_compression: bool, |
41 | } |
42 | |
43 | impl ClientHelloDetails { |
44 | pub(super) fn new(extension_order_seed: u16) -> Self { |
45 | Self { |
46 | sent_extensions: Vec::new(), |
47 | extension_order_seed, |
48 | offered_cert_compression: false, |
49 | } |
50 | } |
51 | |
52 | pub(super) fn server_sent_unsolicited_extensions( |
53 | &self, |
54 | received_exts: &[ServerExtension], |
55 | allowed_unsolicited: &[ExtensionType], |
56 | ) -> bool { |
57 | for ext in received_exts { |
58 | let ext_type = ext.ext_type(); |
59 | if !self.sent_extensions.contains(&ext_type) && !allowed_unsolicited.contains(&ext_type) |
60 | { |
61 | trace!("Unsolicited extension {:?}" , ext_type); |
62 | return true; |
63 | } |
64 | } |
65 | |
66 | false |
67 | } |
68 | } |
69 | |
70 | pub(super) enum ClientAuthDetails { |
71 | /// Send an empty `Certificate` and no `CertificateVerify`. |
72 | Empty { auth_context_tls13: Option<Vec<u8>> }, |
73 | /// Send a non-empty `Certificate` and a `CertificateVerify`. |
74 | Verify { |
75 | certkey: Arc<sign::CertifiedKey>, |
76 | signer: Box<dyn sign::Signer>, |
77 | auth_context_tls13: Option<Vec<u8>>, |
78 | compressor: Option<&'static dyn compress::CertCompressor>, |
79 | }, |
80 | } |
81 | |
82 | impl ClientAuthDetails { |
83 | pub(super) fn resolve( |
84 | resolver: &dyn ResolvesClientCert, |
85 | canames: Option<&[DistinguishedName]>, |
86 | sigschemes: &[SignatureScheme], |
87 | auth_context_tls13: Option<Vec<u8>>, |
88 | compressor: Option<&'static dyn compress::CertCompressor>, |
89 | ) -> Self { |
90 | let acceptable_issuers = canames |
91 | .unwrap_or_default() |
92 | .iter() |
93 | .map(|p| p.as_ref()) |
94 | .collect::<Vec<&[u8]>>(); |
95 | |
96 | if let Some(certkey) = resolver.resolve(&acceptable_issuers, sigschemes) { |
97 | if let Some(signer) = certkey.key.choose_scheme(sigschemes) { |
98 | debug!("Attempting client auth" ); |
99 | return Self::Verify { |
100 | certkey, |
101 | signer, |
102 | auth_context_tls13, |
103 | compressor, |
104 | }; |
105 | } |
106 | } |
107 | |
108 | debug!("Client auth requested but no cert/sigscheme available" ); |
109 | Self::Empty { auth_context_tls13 } |
110 | } |
111 | } |
112 | |