295 lines
9.3 KiB
Go
295 lines
9.3 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
package pki
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/asaskevich/govalidator"
|
|
"github.com/hashicorp/vault/sdk/framework"
|
|
"github.com/hashicorp/vault/sdk/logical"
|
|
)
|
|
|
|
func pathConfigURLs(b *backend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: "config/urls",
|
|
|
|
DisplayAttrs: &framework.DisplayAttributes{
|
|
OperationPrefix: operationPrefixPKI,
|
|
},
|
|
|
|
Fields: map[string]*framework.FieldSchema{
|
|
"issuing_certificates": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the issuing certificate attribute. See also RFC 5280 Section 4.2.2.1.`,
|
|
},
|
|
|
|
"crl_distribution_points": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the CRL distribution points attribute. See also RFC 5280 Section 4.2.1.13.`,
|
|
},
|
|
|
|
"ocsp_servers": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the OCSP servers attribute. See also RFC 5280 Section 4.2.2.1.`,
|
|
},
|
|
|
|
"enable_templating": {
|
|
Type: framework.TypeBool,
|
|
Description: `Whether or not to enabling templating of the
|
|
above AIA fields. When templating is enabled the special values '{{issuer_id}}',
|
|
'{{cluster_path}}', and '{{cluster_aia_path}}' are available, but the addresses
|
|
are not checked for URI validity until issuance time. Using '{{cluster_path}}'
|
|
requires /config/cluster's 'path' member to be set on all PR Secondary clusters
|
|
and using '{{cluster_aia_path}}' requires /config/cluster's 'aia_path' member
|
|
to be set on all PR secondary clusters.`,
|
|
Default: false,
|
|
},
|
|
},
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.UpdateOperation: &framework.PathOperation{
|
|
DisplayAttrs: &framework.DisplayAttributes{
|
|
OperationVerb: "configure",
|
|
OperationSuffix: "urls",
|
|
},
|
|
Callback: b.pathWriteURL,
|
|
Responses: map[int][]framework.Response{
|
|
http.StatusOK: {{
|
|
Description: "OK",
|
|
Fields: map[string]*framework.FieldSchema{
|
|
"issuing_certificates": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the issuing certificate attribute. See also RFC 5280 Section 4.2.2.1.`,
|
|
},
|
|
"crl_distribution_points": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the CRL distribution points attribute. See also RFC 5280 Section 4.2.1.13.`,
|
|
},
|
|
"ocsp_servers": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the OCSP servers attribute. See also RFC 5280 Section 4.2.2.1.`,
|
|
},
|
|
"enable_templating": {
|
|
Type: framework.TypeBool,
|
|
Description: `Whether or not to enabling templating of the
|
|
above AIA fields. When templating is enabled the special values '{{issuer_id}}'
|
|
and '{{cluster_path}}' are available, but the addresses are not checked for
|
|
URI validity until issuance time. This requires /config/cluster's path to be
|
|
set on all PR Secondary clusters.`,
|
|
Default: false,
|
|
},
|
|
},
|
|
}},
|
|
},
|
|
},
|
|
logical.ReadOperation: &framework.PathOperation{
|
|
Callback: b.pathReadURL,
|
|
DisplayAttrs: &framework.DisplayAttributes{
|
|
OperationSuffix: "urls-configuration",
|
|
},
|
|
Responses: map[int][]framework.Response{
|
|
http.StatusOK: {{
|
|
Description: "OK",
|
|
Fields: map[string]*framework.FieldSchema{
|
|
"issuing_certificates": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the issuing certificate attribute. See also RFC 5280 Section 4.2.2.1.`,
|
|
Required: true,
|
|
},
|
|
"crl_distribution_points": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the CRL distribution points attribute. See also RFC 5280 Section 4.2.1.13.`,
|
|
Required: true,
|
|
},
|
|
"ocsp_servers": {
|
|
Type: framework.TypeCommaStringSlice,
|
|
Description: `Comma-separated list of URLs to be used
|
|
for the OCSP servers attribute. See also RFC 5280 Section 4.2.2.1.`,
|
|
Required: true,
|
|
},
|
|
"enable_templating": {
|
|
Type: framework.TypeBool,
|
|
Description: `Whether or not to enable templating of the
|
|
above AIA fields. When templating is enabled the special values '{{issuer_id}}'
|
|
and '{{cluster_path}}' are available, but the addresses are not checked for
|
|
URI validity until issuance time. This requires /config/cluster's path to be
|
|
set on all PR Secondary clusters.`,
|
|
Required: true,
|
|
},
|
|
},
|
|
}},
|
|
},
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathConfigURLsHelpSyn,
|
|
HelpDescription: pathConfigURLsHelpDesc,
|
|
}
|
|
}
|
|
|
|
func validateURLs(urls []string) string {
|
|
for _, curr := range urls {
|
|
if !govalidator.IsURL(curr) || strings.Contains(curr, "{{issuer_id}}") || strings.Contains(curr, "{{cluster_path}}") || strings.Contains(curr, "{{cluster_aia_path}}") {
|
|
return curr
|
|
}
|
|
}
|
|
|
|
return ""
|
|
}
|
|
|
|
func getGlobalAIAURLs(ctx context.Context, storage logical.Storage) (*aiaConfigEntry, error) {
|
|
entry, err := storage.Get(ctx, "urls")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
entries := &aiaConfigEntry{
|
|
IssuingCertificates: []string{},
|
|
CRLDistributionPoints: []string{},
|
|
OCSPServers: []string{},
|
|
EnableTemplating: false,
|
|
}
|
|
|
|
if entry == nil {
|
|
return entries, nil
|
|
}
|
|
|
|
if err := entry.DecodeJSON(entries); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return entries, nil
|
|
}
|
|
|
|
func writeURLs(ctx context.Context, storage logical.Storage, entries *aiaConfigEntry) error {
|
|
entry, err := logical.StorageEntryJSON("urls", entries)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if entry == nil {
|
|
return fmt.Errorf("unable to marshal entry into JSON")
|
|
}
|
|
|
|
err = storage.Put(ctx, entry)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (b *backend) pathReadURL(ctx context.Context, req *logical.Request, _ *framework.FieldData) (*logical.Response, error) {
|
|
entries, err := getGlobalAIAURLs(ctx, req.Storage)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
resp := &logical.Response{
|
|
Data: map[string]interface{}{
|
|
"issuing_certificates": entries.IssuingCertificates,
|
|
"crl_distribution_points": entries.CRLDistributionPoints,
|
|
"ocsp_servers": entries.OCSPServers,
|
|
"enable_templating": entries.EnableTemplating,
|
|
},
|
|
}
|
|
|
|
return resp, nil
|
|
}
|
|
|
|
func (b *backend) pathWriteURL(ctx context.Context, req *logical.Request, data *framework.FieldData) (*logical.Response, error) {
|
|
entries, err := getGlobalAIAURLs(ctx, req.Storage)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if enableTemplating, ok := data.GetOk("enable_templating"); ok {
|
|
entries.EnableTemplating = enableTemplating.(bool)
|
|
}
|
|
if urlsInt, ok := data.GetOk("issuing_certificates"); ok {
|
|
entries.IssuingCertificates = urlsInt.([]string)
|
|
}
|
|
if urlsInt, ok := data.GetOk("crl_distribution_points"); ok {
|
|
entries.CRLDistributionPoints = urlsInt.([]string)
|
|
}
|
|
if urlsInt, ok := data.GetOk("ocsp_servers"); ok {
|
|
entries.OCSPServers = urlsInt.([]string)
|
|
}
|
|
|
|
resp := &logical.Response{
|
|
Data: map[string]interface{}{
|
|
"issuing_certificates": entries.IssuingCertificates,
|
|
"crl_distribution_points": entries.CRLDistributionPoints,
|
|
"ocsp_servers": entries.OCSPServers,
|
|
"enable_templating": entries.EnableTemplating,
|
|
},
|
|
}
|
|
|
|
if entries.EnableTemplating && !b.useLegacyBundleCaStorage() {
|
|
sc := b.makeStorageContext(ctx, req.Storage)
|
|
issuers, err := sc.listIssuers()
|
|
if err != nil {
|
|
return nil, fmt.Errorf("unable to read issuers list to validate templated URIs: %w", err)
|
|
}
|
|
|
|
if len(issuers) > 0 {
|
|
issuer, err := sc.fetchIssuerById(issuers[0])
|
|
if err != nil {
|
|
return nil, fmt.Errorf("unable to read issuer to validate templated URIs: %w", err)
|
|
}
|
|
|
|
_, err = entries.toURLEntries(sc, issuer.ID)
|
|
if err != nil {
|
|
resp.AddWarning(fmt.Sprintf("issuance may fail: %v\n\nConsider setting the cluster-local address if it is not already set.", err))
|
|
}
|
|
}
|
|
} else if !entries.EnableTemplating {
|
|
if badURL := validateURLs(entries.IssuingCertificates); badURL != "" {
|
|
return logical.ErrorResponse(fmt.Sprintf(
|
|
"invalid URL found in Authority Information Access (AIA) parameter issuing_certificates: %s", badURL)), nil
|
|
}
|
|
|
|
if badURL := validateURLs(entries.CRLDistributionPoints); badURL != "" {
|
|
return logical.ErrorResponse(fmt.Sprintf(
|
|
"invalid URL found in Authority Information Access (AIA) parameter crl_distribution_points: %s", badURL)), nil
|
|
}
|
|
|
|
if badURL := validateURLs(entries.OCSPServers); badURL != "" {
|
|
return logical.ErrorResponse(fmt.Sprintf(
|
|
"invalid URL found in Authority Information Access (AIA) parameter ocsp_servers: %s", badURL)), nil
|
|
}
|
|
}
|
|
|
|
if err := writeURLs(ctx, req.Storage, entries); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return resp, nil
|
|
}
|
|
|
|
const pathConfigURLsHelpSyn = `
|
|
Set the URLs for the issuing CA, CRL distribution points, and OCSP servers.
|
|
`
|
|
|
|
const pathConfigURLsHelpDesc = `
|
|
This path allows you to set the issuing CA, CRL distribution points, and
|
|
OCSP server URLs that will be encoded into issued certificates. If these
|
|
values are not set, no such information will be encoded in the issued
|
|
certificates. To delete URLs, simply re-set the appropriate value with an
|
|
empty string.
|
|
|
|
Multiple URLs can be specified for each type; use commas to separate them.
|
|
`
|