136 lines
3.9 KiB
Go
136 lines
3.9 KiB
Go
package pki
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import (
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"context"
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"github.com/hashicorp/errwrap"
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"github.com/hashicorp/vault/sdk/framework"
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"github.com/hashicorp/vault/sdk/helper/certutil"
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"github.com/hashicorp/vault/sdk/helper/errutil"
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"github.com/hashicorp/vault/sdk/logical"
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)
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func pathConfigCA(b *backend) *framework.Path {
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return &framework.Path{
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Pattern: "config/ca",
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Fields: map[string]*framework.FieldSchema{
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"pem_bundle": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: `PEM-format, concatenated unencrypted
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secret key and certificate.`,
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},
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},
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Callbacks: map[logical.Operation]framework.OperationFunc{
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logical.UpdateOperation: b.pathCAWrite,
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},
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HelpSynopsis: pathConfigCAHelpSyn,
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HelpDescription: pathConfigCAHelpDesc,
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}
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}
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func (b *backend) pathCAWrite(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
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pemBundle := data.Get("pem_bundle").(string)
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if pemBundle == "" {
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return logical.ErrorResponse("'pem_bundle' was empty"), nil
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}
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parsedBundle, err := certutil.ParsePEMBundle(pemBundle)
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if err != nil {
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switch err.(type) {
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case errutil.InternalError:
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return nil, err
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default:
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return logical.ErrorResponse(err.Error()), nil
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}
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}
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if parsedBundle.PrivateKey == nil ||
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parsedBundle.PrivateKeyType == certutil.UnknownPrivateKey {
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return logical.ErrorResponse("private key not found in the PEM bundle"), nil
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}
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if parsedBundle.Certificate == nil {
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return logical.ErrorResponse("no certificate found in the PEM bundle"), nil
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}
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if !parsedBundle.Certificate.IsCA {
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return logical.ErrorResponse("the given certificate is not marked for CA use and cannot be used with this backend"), nil
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}
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cb, err := parsedBundle.ToCertBundle()
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if err != nil {
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return nil, errwrap.Wrapf("error converting raw values into cert bundle: {{err}}", err)
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}
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entry, err := logical.StorageEntryJSON("config/ca_bundle", cb)
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if err != nil {
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return nil, err
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}
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err = req.Storage.Put(ctx, entry)
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if err != nil {
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return nil, err
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}
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// For ease of later use, also store just the certificate at a known
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// location, plus a fresh CRL
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entry.Key = "ca"
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entry.Value = parsedBundle.CertificateBytes
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err = req.Storage.Put(ctx, entry)
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if err != nil {
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return nil, err
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}
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err = buildCRL(ctx, b, req, true)
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return nil, err
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}
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const pathConfigCAHelpSyn = `
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Set the CA certificate and private key used for generated credentials.
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`
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const pathConfigCAHelpDesc = `
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This sets the CA information used for credentials generated by this
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by this mount. This must be a PEM-format, concatenated unencrypted
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secret key and certificate.
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For security reasons, the secret key cannot be retrieved later.
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`
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const pathConfigCAGenerateHelpSyn = `
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Generate a new CA certificate and private key used for signing.
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`
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const pathConfigCAGenerateHelpDesc = `
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This path generates a CA certificate and private key to be used for
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credentials generated by this mount. The path can either
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end in "internal" or "exported"; this controls whether the
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unencrypted private key is exported after generation. This will
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be your only chance to export the private key; for security reasons
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it cannot be read or exported later.
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If the "type" option is set to "self-signed", the generated
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certificate will be a self-signed root CA. Otherwise, this mount
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will act as an intermediate CA; a CSR will be returned, to be signed
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by your chosen CA (which could be another mount of this backend).
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Note that the CRL path will be set to this mount's CRL path; if you
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need further customization it is recommended that you create a CSR
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separately and get it signed. Either way, use the "config/ca/set"
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endpoint to load the signed certificate into Vault.
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`
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const pathConfigCASignHelpSyn = `
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Generate a signed CA certificate from a CSR.
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`
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const pathConfigCASignHelpDesc = `
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This path generates a CA certificate to be used for credentials
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generated by the certificate's destination mount.
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Use the "config/ca/set" endpoint to load the signed certificate
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into Vault another Vault mount.
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`
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