Generate a complete PKI bundle: CA, server cert, and client cert. `extra_sans` are additional Subject Alternative Names to add to the server certificate (e.g. the remote host's IP or hostname for remote deployments). Certificate validity uses the `rcgen` defaults (1975–4096), which effectively never expire. This is appropriate for an internal dev-cluster PKI where certs are ephemeral to the clus
(extra_sans: &[String])
| 50 | /// never expire. This is appropriate for an internal dev-cluster PKI where certs |
| 51 | /// are ephemeral to the cluster's lifetime. |
| 52 | pub fn generate_pki(extra_sans: &[String]) -> Result<PkiBundle> { |
| 53 | // --- CA --- |
| 54 | let ca_key = KeyPair::generate() |
| 55 | .into_diagnostic() |
| 56 | .wrap_err("failed to generate CA key")?; |
| 57 | let mut ca_params = CertificateParams::new(Vec::<String>::new()) |
| 58 | .into_diagnostic() |
| 59 | .wrap_err("failed to create CA params")?; |
| 60 | ca_params.is_ca = IsCa::Ca(BasicConstraints::Unconstrained); |
| 61 | ca_params |
| 62 | .distinguished_name |
| 63 | .push(DnType::OrganizationName, "openshell"); |
| 64 | ca_params |
| 65 | .distinguished_name |
| 66 | .push(DnType::CommonName, "openshell-ca"); |
| 67 | |
| 68 | let ca_cert = ca_params |
| 69 | .self_signed(&ca_key) |
| 70 | .into_diagnostic() |
| 71 | .wrap_err("failed to self-sign CA certificate")?; |
| 72 | |
| 73 | // --- Server cert --- |
| 74 | let server_key = KeyPair::generate() |
| 75 | .into_diagnostic() |
| 76 | .wrap_err("failed to generate server key")?; |
| 77 | let server_sans = build_server_sans(extra_sans); |
| 78 | let mut server_params = CertificateParams::new(Vec::<String>::new()) |
| 79 | .into_diagnostic() |
| 80 | .wrap_err("failed to create server cert params")?; |
| 81 | server_params.subject_alt_names = server_sans; |
| 82 | server_params |
| 83 | .distinguished_name |
| 84 | .push(DnType::CommonName, "openshell-server"); |
| 85 | |
| 86 | let server_cert = server_params |
| 87 | .signed_by(&server_key, &ca_cert, &ca_key) |
| 88 | .into_diagnostic() |
| 89 | .wrap_err("failed to sign server certificate")?; |
| 90 | |
| 91 | // --- Client cert (shared by CLI and sandbox pods) --- |
| 92 | let client_key = KeyPair::generate() |
| 93 | .into_diagnostic() |
| 94 | .wrap_err("failed to generate client key")?; |
| 95 | let mut client_params = CertificateParams::new(Vec::<String>::new()) |
| 96 | .into_diagnostic() |
| 97 | .wrap_err("failed to create client cert params")?; |
| 98 | client_params |
| 99 | .distinguished_name |
| 100 | .push(DnType::CommonName, "openshell-client"); |
| 101 | client_params |
| 102 | .distinguished_name |
| 103 | .push(DnType::OrganizationalUnitName, "openshell-user"); |
| 104 | |
| 105 | let client_cert = client_params |
| 106 | .signed_by(&client_key, &ca_cert, &ca_key) |
| 107 | .into_diagnostic() |
| 108 | .wrap_err("failed to sign client certificate")?; |
| 109 |