496 lines
14 KiB
Go
496 lines
14 KiB
Go
// Copyright (c) HashiCorp, Inc.
|
|
// SPDX-License-Identifier: MPL-2.0
|
|
|
|
package pki
|
|
|
|
import (
|
|
"context"
|
|
"encoding/pem"
|
|
"fmt"
|
|
"net/http"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/hashicorp/vault/helper/constants"
|
|
|
|
"github.com/hashicorp/vault/sdk/framework"
|
|
"github.com/hashicorp/vault/sdk/helper/errutil"
|
|
"github.com/hashicorp/vault/sdk/logical"
|
|
)
|
|
|
|
var pathFetchReadSchema = map[int][]framework.Response{
|
|
http.StatusOK: {{
|
|
Description: "OK",
|
|
Fields: map[string]*framework.FieldSchema{
|
|
"certificate": {
|
|
Type: framework.TypeString,
|
|
Description: `Certificate`,
|
|
Required: false,
|
|
},
|
|
"revocation_time": {
|
|
Type: framework.TypeString,
|
|
Description: `Revocation time`,
|
|
Required: false,
|
|
},
|
|
"revocation_time_rfc3339": {
|
|
Type: framework.TypeString,
|
|
Description: `Revocation time RFC 3339 formatted`,
|
|
Required: false,
|
|
},
|
|
"issuer_id": {
|
|
Type: framework.TypeString,
|
|
Description: `ID of the issuer`,
|
|
Required: false,
|
|
},
|
|
"ca_chain": {
|
|
Type: framework.TypeStringSlice,
|
|
Description: `Issuing CA Chain`,
|
|
Required: false,
|
|
},
|
|
},
|
|
}},
|
|
}
|
|
|
|
// Returns the CA in raw format
|
|
func pathFetchCA(b *backend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: `ca(/pem)?`,
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.ReadOperation: &framework.PathOperation{
|
|
Callback: b.pathFetchRead,
|
|
Responses: pathFetchReadSchema,
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathFetchHelpSyn,
|
|
HelpDescription: pathFetchHelpDesc,
|
|
}
|
|
}
|
|
|
|
// Returns the CA chain
|
|
func pathFetchCAChain(b *backend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: `(cert/)?ca_chain`,
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.ReadOperation: &framework.PathOperation{
|
|
Callback: b.pathFetchRead,
|
|
Responses: pathFetchReadSchema,
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathFetchHelpSyn,
|
|
HelpDescription: pathFetchHelpDesc,
|
|
}
|
|
}
|
|
|
|
// Returns the CRL in raw format
|
|
func pathFetchCRL(b *backend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: `crl(/pem|/delta(/pem)?)?`,
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.ReadOperation: &framework.PathOperation{
|
|
Callback: b.pathFetchRead,
|
|
Responses: pathFetchReadSchema,
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathFetchHelpSyn,
|
|
HelpDescription: pathFetchHelpDesc,
|
|
}
|
|
}
|
|
|
|
// Returns the CRL in raw format
|
|
func pathFetchUnifiedCRL(b *backend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: `unified-crl(/pem|/delta(/pem)?)?`,
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.ReadOperation: &framework.PathOperation{
|
|
Callback: b.pathFetchRead,
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathFetchHelpSyn,
|
|
HelpDescription: pathFetchHelpDesc,
|
|
}
|
|
}
|
|
|
|
// Returns any valid (non-revoked) cert in raw format.
|
|
func pathFetchValidRaw(b *backend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: `cert/(?P<serial>[0-9A-Fa-f-:]+)/raw(/pem)?`,
|
|
Fields: map[string]*framework.FieldSchema{
|
|
"serial": {
|
|
Type: framework.TypeString,
|
|
Description: `Certificate serial number, in colon- or
|
|
hyphen-separated octal`,
|
|
},
|
|
},
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.ReadOperation: &framework.PathOperation{
|
|
Callback: b.pathFetchRead,
|
|
Responses: pathFetchReadSchema,
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathFetchHelpSyn,
|
|
HelpDescription: pathFetchHelpDesc,
|
|
}
|
|
}
|
|
|
|
// Returns any valid (non-revoked) cert. Since "ca" fits the pattern, this path
|
|
// also handles returning the CA cert in a non-raw format.
|
|
func pathFetchValid(b *backend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: `cert/(?P<serial>[0-9A-Fa-f-:]+)`,
|
|
Fields: map[string]*framework.FieldSchema{
|
|
"serial": {
|
|
Type: framework.TypeString,
|
|
Description: `Certificate serial number, in colon- or
|
|
hyphen-separated octal`,
|
|
},
|
|
},
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.ReadOperation: &framework.PathOperation{
|
|
Callback: b.pathFetchRead,
|
|
Responses: pathFetchReadSchema,
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathFetchHelpSyn,
|
|
HelpDescription: pathFetchHelpDesc,
|
|
}
|
|
}
|
|
|
|
// This returns the CRL in a non-raw format
|
|
func pathFetchCRLViaCertPath(b *backend) *framework.Path {
|
|
pattern := `cert/(crl|delta-crl)`
|
|
if constants.IsEnterprise {
|
|
pattern = `cert/(crl|delta-crl|unified-crl|unified-delta-crl)`
|
|
}
|
|
|
|
return &framework.Path{
|
|
Pattern: pattern,
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.ReadOperation: &framework.PathOperation{
|
|
Callback: b.pathFetchRead,
|
|
Responses: pathFetchReadSchema,
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathFetchHelpSyn,
|
|
HelpDescription: pathFetchHelpDesc,
|
|
}
|
|
}
|
|
|
|
// This returns the list of serial numbers for certs
|
|
func pathFetchListCerts(b *backend) *framework.Path {
|
|
return &framework.Path{
|
|
Pattern: "certs/?$",
|
|
|
|
Operations: map[logical.Operation]framework.OperationHandler{
|
|
logical.ListOperation: &framework.PathOperation{
|
|
Callback: b.pathFetchCertList,
|
|
Responses: map[int][]framework.Response{
|
|
http.StatusOK: {{
|
|
Description: "OK",
|
|
Fields: map[string]*framework.FieldSchema{
|
|
"keys": {
|
|
Type: framework.TypeStringSlice,
|
|
Description: `A list of keys`,
|
|
Required: true,
|
|
},
|
|
},
|
|
}},
|
|
},
|
|
},
|
|
},
|
|
|
|
HelpSynopsis: pathFetchHelpSyn,
|
|
HelpDescription: pathFetchHelpDesc,
|
|
}
|
|
}
|
|
|
|
func (b *backend) pathFetchCertList(ctx context.Context, req *logical.Request, _ *framework.FieldData) (response *logical.Response, retErr error) {
|
|
entries, err := req.Storage.List(ctx, "certs/")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
for i := range entries {
|
|
entries[i] = denormalizeSerial(entries[i])
|
|
}
|
|
return logical.ListResponse(entries), nil
|
|
}
|
|
|
|
func (b *backend) pathFetchRead(ctx context.Context, req *logical.Request, data *framework.FieldData) (response *logical.Response, retErr error) {
|
|
var serial, pemType, contentType string
|
|
var certEntry, revokedEntry *logical.StorageEntry
|
|
var funcErr error
|
|
var certificate []byte
|
|
var fullChain []byte
|
|
var revocationTime int64
|
|
var revocationIssuerId string
|
|
var revocationTimeRfc3339 string
|
|
|
|
response = &logical.Response{
|
|
Data: map[string]interface{}{},
|
|
}
|
|
sc := b.makeStorageContext(ctx, req.Storage)
|
|
|
|
// Some of these need to return raw and some non-raw;
|
|
// this is basically handled by setting contentType or not.
|
|
// Errors don't cause an immediate exit, because the raw
|
|
// paths still need to return raw output.
|
|
|
|
modifiedCtx := &IfModifiedSinceHelper{
|
|
req: req,
|
|
issuerRef: defaultRef,
|
|
}
|
|
switch {
|
|
case req.Path == "ca" || req.Path == "ca/pem" || req.Path == "cert/ca" || req.Path == "cert/ca/raw" || req.Path == "cert/ca/raw/pem":
|
|
modifiedCtx.reqType = ifModifiedCA
|
|
ret, err := sendNotModifiedResponseIfNecessary(modifiedCtx, sc, response)
|
|
if err != nil || ret {
|
|
retErr = err
|
|
goto reply
|
|
}
|
|
|
|
serial = "ca"
|
|
contentType = "application/pkix-cert"
|
|
if req.Path == "ca/pem" || req.Path == "cert/ca/raw/pem" {
|
|
pemType = "CERTIFICATE"
|
|
contentType = "application/pem-certificate-chain"
|
|
} else if req.Path == "cert/ca" {
|
|
pemType = "CERTIFICATE"
|
|
contentType = ""
|
|
}
|
|
case req.Path == "ca_chain" || req.Path == "cert/ca_chain":
|
|
serial = "ca_chain"
|
|
if req.Path == "ca_chain" {
|
|
contentType = "application/pkix-cert"
|
|
}
|
|
case req.Path == "crl" || req.Path == "crl/pem" || req.Path == "crl/delta" || req.Path == "crl/delta/pem" || req.Path == "cert/crl" || req.Path == "cert/crl/raw" || req.Path == "cert/crl/raw/pem" || req.Path == "cert/delta-crl" || req.Path == "cert/delta-crl/raw" || req.Path == "cert/delta-crl/raw/pem" || req.Path == "unified-crl" || req.Path == "unified-crl/pem" || req.Path == "unified-crl/delta" || req.Path == "unified-crl/delta/pem" || req.Path == "cert/unified-crl" || req.Path == "cert/unified-crl/raw" || req.Path == "cert/unified-crl/raw/pem" || req.Path == "cert/unified-delta-crl" || req.Path == "cert/unified-delta-crl/raw" || req.Path == "cert/unified-delta-crl/raw/pem":
|
|
config, err := b.crlBuilder.getConfigWithUpdate(sc)
|
|
if err != nil {
|
|
retErr = err
|
|
goto reply
|
|
}
|
|
var isDelta bool
|
|
var isUnified bool
|
|
if strings.Contains(req.Path, "delta") {
|
|
isDelta = true
|
|
}
|
|
if strings.Contains(req.Path, "unified") || shouldLocalPathsUseUnified(config) {
|
|
isUnified = true
|
|
}
|
|
|
|
modifiedCtx.reqType = ifModifiedCRL
|
|
if !isUnified && isDelta {
|
|
modifiedCtx.reqType = ifModifiedDeltaCRL
|
|
} else if isUnified && !isDelta {
|
|
modifiedCtx.reqType = ifModifiedUnifiedCRL
|
|
} else if isUnified && isDelta {
|
|
modifiedCtx.reqType = ifModifiedUnifiedDeltaCRL
|
|
}
|
|
|
|
ret, err := sendNotModifiedResponseIfNecessary(modifiedCtx, sc, response)
|
|
if err != nil || ret {
|
|
retErr = err
|
|
goto reply
|
|
}
|
|
|
|
serial = legacyCRLPath
|
|
if !isUnified && isDelta {
|
|
serial = deltaCRLPath
|
|
} else if isUnified && !isDelta {
|
|
serial = unifiedCRLPath
|
|
} else if isUnified && isDelta {
|
|
serial = unifiedDeltaCRLPath
|
|
}
|
|
|
|
contentType = "application/pkix-crl"
|
|
if strings.Contains(req.Path, "pem") {
|
|
pemType = "X509 CRL"
|
|
contentType = "application/x-pem-file"
|
|
} else if req.Path == "cert/crl" || req.Path == "cert/delta-crl" || req.Path == "cert/unified-crl" || req.Path == "cert/unified-delta-crl" {
|
|
pemType = "X509 CRL"
|
|
contentType = ""
|
|
}
|
|
case strings.HasSuffix(req.Path, "/pem") || strings.HasSuffix(req.Path, "/raw"):
|
|
serial = data.Get("serial").(string)
|
|
contentType = "application/pkix-cert"
|
|
if strings.HasSuffix(req.Path, "/pem") {
|
|
pemType = "CERTIFICATE"
|
|
contentType = "application/pem-certificate-chain"
|
|
}
|
|
default:
|
|
serial = data.Get("serial").(string)
|
|
pemType = "CERTIFICATE"
|
|
}
|
|
if len(serial) == 0 {
|
|
response = logical.ErrorResponse("The serial number must be provided")
|
|
goto reply
|
|
}
|
|
|
|
// Prefer fetchCAInfo to fetchCertBySerial for CA certificates.
|
|
if serial == "ca_chain" || serial == "ca" {
|
|
caInfo, err := sc.fetchCAInfo(defaultRef, ReadOnlyUsage)
|
|
if err != nil {
|
|
switch err.(type) {
|
|
case errutil.UserError:
|
|
response = logical.ErrorResponse(err.Error())
|
|
goto reply
|
|
default:
|
|
retErr = err
|
|
goto reply
|
|
}
|
|
}
|
|
|
|
if serial == "ca_chain" {
|
|
rawChain := caInfo.GetFullChain()
|
|
var chainStr string
|
|
for _, ca := range rawChain {
|
|
block := pem.Block{
|
|
Type: "CERTIFICATE",
|
|
Bytes: ca.Bytes,
|
|
}
|
|
chainStr = strings.Join([]string{chainStr, strings.TrimSpace(string(pem.EncodeToMemory(&block)))}, "\n")
|
|
}
|
|
fullChain = []byte(strings.TrimSpace(chainStr))
|
|
certificate = fullChain
|
|
} else if serial == "ca" {
|
|
certificate = caInfo.Certificate.Raw
|
|
|
|
if len(pemType) != 0 {
|
|
block := pem.Block{
|
|
Type: pemType,
|
|
Bytes: certificate,
|
|
}
|
|
|
|
// This is convoluted on purpose to ensure that we don't have trailing
|
|
// newlines via various paths
|
|
certificate = []byte(strings.TrimSpace(string(pem.EncodeToMemory(&block))))
|
|
}
|
|
}
|
|
|
|
goto reply
|
|
}
|
|
|
|
certEntry, funcErr = fetchCertBySerial(sc, req.Path, serial)
|
|
if funcErr != nil {
|
|
switch funcErr.(type) {
|
|
case errutil.UserError:
|
|
response = logical.ErrorResponse(funcErr.Error())
|
|
goto reply
|
|
default:
|
|
retErr = funcErr
|
|
goto reply
|
|
}
|
|
}
|
|
if certEntry == nil {
|
|
response = nil
|
|
goto reply
|
|
}
|
|
|
|
certificate = certEntry.Value
|
|
|
|
if len(pemType) != 0 {
|
|
block := pem.Block{
|
|
Type: pemType,
|
|
Bytes: certEntry.Value,
|
|
}
|
|
// This is convoluted on purpose to ensure that we don't have trailing
|
|
// newlines via various paths
|
|
certificate = []byte(strings.TrimSpace(string(pem.EncodeToMemory(&block))))
|
|
}
|
|
|
|
revokedEntry, funcErr = fetchCertBySerial(sc, "revoked/", serial)
|
|
if funcErr != nil {
|
|
switch funcErr.(type) {
|
|
case errutil.UserError:
|
|
response = logical.ErrorResponse(funcErr.Error())
|
|
goto reply
|
|
default:
|
|
retErr = funcErr
|
|
goto reply
|
|
}
|
|
}
|
|
if revokedEntry != nil {
|
|
var revInfo revocationInfo
|
|
err := revokedEntry.DecodeJSON(&revInfo)
|
|
if err != nil {
|
|
return logical.ErrorResponse(fmt.Sprintf("Error decoding revocation entry for serial %s: %s", serial, err)), nil
|
|
}
|
|
revocationTime = revInfo.RevocationTime
|
|
revocationIssuerId = revInfo.CertificateIssuer.String()
|
|
|
|
if !revInfo.RevocationTimeUTC.IsZero() {
|
|
revocationTimeRfc3339 = revInfo.RevocationTimeUTC.Format(time.RFC3339Nano)
|
|
}
|
|
}
|
|
|
|
reply:
|
|
switch {
|
|
case len(contentType) != 0:
|
|
response = &logical.Response{
|
|
Data: map[string]interface{}{
|
|
logical.HTTPContentType: contentType,
|
|
logical.HTTPRawBody: certificate,
|
|
},
|
|
}
|
|
if retErr != nil {
|
|
if b.Logger().IsWarn() {
|
|
b.Logger().Warn("possible error, but cannot return in raw response. Note that an empty CA probably means none was configured, and an empty CRL is possibly correct", "error", retErr)
|
|
}
|
|
}
|
|
retErr = nil
|
|
if len(certificate) > 0 {
|
|
response.Data[logical.HTTPStatusCode] = 200
|
|
} else {
|
|
response.Data[logical.HTTPStatusCode] = 204
|
|
}
|
|
case retErr != nil:
|
|
response = nil
|
|
return
|
|
case response == nil:
|
|
return
|
|
case response.IsError():
|
|
return response, nil
|
|
default:
|
|
response.Data["certificate"] = string(certificate)
|
|
response.Data["revocation_time"] = revocationTime
|
|
response.Data["revocation_time_rfc3339"] = revocationTimeRfc3339
|
|
// Only output this field if we have a value for it as it doesn't make sense for a
|
|
// bunch of code paths that go through here
|
|
if revocationIssuerId != "" {
|
|
response.Data["issuer_id"] = revocationIssuerId
|
|
}
|
|
|
|
if len(fullChain) > 0 {
|
|
response.Data["ca_chain"] = string(fullChain)
|
|
}
|
|
}
|
|
|
|
return
|
|
}
|
|
|
|
const pathFetchHelpSyn = `
|
|
Fetch a CA, CRL, CA Chain, or non-revoked certificate.
|
|
`
|
|
|
|
const pathFetchHelpDesc = `
|
|
This allows certificates to be fetched. Use /cert/:serial for JSON responses.
|
|
|
|
Using "ca" or "crl" as the value fetches the appropriate information in DER encoding. Add "/pem" to either to get PEM encoding.
|
|
|
|
Using "ca_chain" as the value fetches the certificate authority trust chain in PEM encoding.
|
|
|
|
Otherwise, specify a serial number to fetch the specified certificate. Add "/raw" to get just the certificate in DER form, "/raw/pem" to get the PEM encoded certificate.
|
|
`
|