// scanHandler is an HTTP handler that accepts GET parameters for host (required)
// family and scanner, and uses these to perform scans, returning a JSON blob result.
func scanHandler(w http.ResponseWriter, r *http.Request) error {
if err := r.ParseForm(); err != nil {
log.Warningf("failed to parse body: %v", err)
return errors.NewBadRequest(err)
}
family := r.Form.Get("family")
scanner := r.Form.Get("scanner")
ip := r.Form.Get("ip")
host := r.Form.Get("host")
if host == "" {
log.Warningf("no host given")
return errors.NewBadRequestString("no host given")
}
results, err := scan.Default.RunScans(host, ip, family, scanner, 0)
if err != nil {
log.Warningf("%v", err)
return errors.NewBadRequest(err)
}
response := api.NewSuccessResponse(results)
enc := json.NewEncoder(w)
return enc.Encode(response)
}
// serverMain is the command line entry point to the API server. It sets up a
// new HTTP server to handle sign, bundle, and validate requests.
func serverMain(args []string, c cli.Config) error {
conf = c
// serve doesn't support arguments.
if len(args) > 0 {
return errors.New("argument is provided but not defined; please refer to the usage by flag -h")
}
bundler.IntermediateStash = conf.IntDir
var err error
if err = ubiquity.LoadPlatforms(conf.Metadata); err != nil {
return err
}
log.Info("Initializing signer")
if s, err = sign.SignerFromConfig(c); err != nil {
log.Warningf("couldn't initialize signer: %v", err)
}
if ocspSigner, err = ocspsign.SignerFromConfig(c); err != nil {
log.Warningf("couldn't initialize ocsp signer: %v", err)
}
registerHandlers()
addr := net.JoinHostPort(conf.Address, strconv.Itoa(conf.Port))
log.Info("Now listening on ", addr)
return http.ListenAndServe(addr, nil)
}
// Handle responds to requests for the CA to generate a new private
// key and certificate request on behalf of the client. The format for
// these requests is documented in the API documentation.
func (g *GeneratorHandler) Handle(w http.ResponseWriter, r *http.Request) error {
log.Info("request for CSR")
req := new(csr.CertificateRequest)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Warningf("failed to read request body: %v", err)
return errors.NewBadRequest(err)
}
err = json.Unmarshal(body, req)
if err != nil {
log.Warningf("failed to unmarshal request: %v", err)
return errors.NewBadRequest(err)
}
key, csr, err := g.generator.ProcessRequest(req)
if err != nil {
log.Warningf("failed to process CSR: %v", err)
// The validator returns a *cfssl/errors.HttpError
return err
}
// Both key and csr are returned PEM-encoded.
response := newSuccessResponse(&CertRequest{string(key), string(csr)})
w.Header().Set("Content-Type", "application/json")
enc := json.NewEncoder(w)
err = enc.Encode(response)
return err
}
// Handle listens for incoming requests for CA information, and returns
// a list containing information on each root certificate.
func (h *Handler) Handle(w http.ResponseWriter, r *http.Request) error {
req := new(info.Req)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Warningf("failed to read request body: %v", err)
return errors.NewBadRequest(err)
}
r.Body.Close()
err = json.Unmarshal(body, req)
if err != nil {
log.Warningf("failed to unmarshal request: %v", err)
return errors.NewBadRequest(err)
}
resp, err := h.sign.Info(*req)
if err != nil {
return err
}
response := api.NewSuccessResponse(resp)
w.Header().Set("Content-Type", "application/json")
enc := json.NewEncoder(w)
return enc.Encode(response)
}
// initialCAHandler is an HTTP handler that accepts a JSON blob in the
// same format as the CSR endpoint; this blob should contain the
// identity information for the CA's root key. This endpoint is not
// suitable for creating intermediate certificates.
func initialCAHandler(w http.ResponseWriter, r *http.Request) error {
log.Info("setting up initial CA handler")
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Warningf("failed to read request body: %v", err)
return errors.NewBadRequest(err)
}
r.Body.Close()
req := new(csr.CertificateRequest)
req.KeyRequest = csr.NewBasicKeyRequest()
err = json.Unmarshal(body, req)
if err != nil {
log.Warningf("failed to unmarshal request: %v", err)
return errors.NewBadRequest(err)
}
cert, _, key, err := initca.New(req)
if err != nil {
log.Warningf("failed to initialise new CA: %v", err)
return err
}
response := api.NewSuccessResponse(&NewCA{string(key), string(cert)})
enc := json.NewEncoder(w)
err = enc.Encode(response)
return err
}
// Handle implements an http.Handler interface for the bundle handler.
func (h *Handler) Handle(w http.ResponseWriter, r *http.Request) (err error) {
blob, matched, err := api.ProcessRequestFirstMatchOf(r,
[][]string{
[]string{"certificate"},
[]string{"domain"},
})
if err != nil {
log.Warningf("invalid request: %v", err)
return err
}
var cert *certinfo.Certificate
switch matched[0] {
case "domain":
if cert, err = certinfo.ParseCertificateDomain(blob["domain"]); err != nil {
log.Warningf("couldn't parse remote certificate: %v", err)
return err
}
case "certificate":
if cert, err = certinfo.ParseCertificatePEM([]byte(blob["certificate"])); err != nil {
log.Warningf("bad PEM certifcate: %v", err)
return err
}
}
return api.SendResponse(w, cert)
}
// scanHandler is an HTTP handler that accepts GET parameters for host (required)
// family and scanner, and uses these to perform scans, returning a JSON blob result.
func scanHandler(w http.ResponseWriter, r *http.Request) error {
if err := r.ParseForm(); err != nil {
log.Warningf("failed to parse body: %v", err)
return errors.NewBadRequest(err)
}
if len(r.Form["host"]) == 0 {
log.Warningf("no host given")
return errors.NewBadRequestString("no host given")
}
host := r.Form["host"][0]
var family, scanner string
if len(r.Form["family"]) > 0 {
family = r.Form["family"][0]
}
if len(r.Form["scanner"]) > 0 {
scanner = r.Form["scanner"][0]
}
results, err := scan.Default.RunScans(host, family, scanner)
if err != nil {
log.Warningf("%v", err)
return errors.NewBadRequest(err)
}
response := api.NewSuccessResponse(results)
enc := json.NewEncoder(w)
return enc.Encode(response)
}
// Handle accepts client information requests, and uses the label to
// look up the signer whose public certificate should be retrieved. If
// the label is empty, the default label is used.
func (h *MultiHandler) Handle(w http.ResponseWriter, r *http.Request) error {
req := new(info.Req)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Warningf("failed to read request body: %v", err)
return errors.NewBadRequest(err)
}
err = json.Unmarshal(body, req)
if err != nil {
log.Warningf("failed to unmarshal request: %v", err)
return errors.NewBadRequest(err)
}
log.Debug("checking label")
if req.Label == "" {
req.Label = h.defaultLabel
}
if _, ok := h.signers[req.Label]; !ok {
log.Warningf("request for invalid endpoint")
return errors.NewBadRequestString("bad label")
}
log.Debug("getting info")
resp, err := h.signers[req.Label].Info(*req)
if err != nil {
log.Infof("error getting certificate: %v", err)
return err
}
response := api.NewSuccessResponse(resp)
w.Header().Set("Content-Type", "application/json")
enc := json.NewEncoder(w)
return enc.Encode(response)
}
func (rcg *RemoteCertGeneratorHandler) Handle(w http.ResponseWriter, r *http.Request) error {
req := new(genSignRequest)
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Warningf("failed to read request body: %v", err)
return errors.NewBadRequest(err)
}
err = json.Unmarshal(body, req)
if err != nil {
log.Warningf("failed to unmarshal request: %v", err)
return errors.NewBadRequest(err)
}
csrPEM, key, err := rcg.generator.ProcessRequest(req.Request)
if err != nil {
log.Warningf("failed to process CSR: %v", err)
// The validator returns a *cfssl/errors.HttpError
return err
}
certPEM, err := rcg.remote.Sign(req.Hostname, csrPEM, req.Profile)
if err != nil {
log.Warningf("failed to send CSR to remote signer: %v", err)
return err
}
result := map[string]string{
"private_key": string(key),
"certificate": string(certPEM),
}
return sendResponse(w, result)
}
// Handle implements an http.Handler interface for the bundle handler.
func (h *Handler) Handle(w http.ResponseWriter, r *http.Request) error {
blob, matched, err := api.ProcessRequestFirstMatchOf(r,
[][]string{
{"certificate"},
{"domain"},
})
if err != nil {
log.Warningf("invalid request: %v", err)
return err
}
flavor := blob["flavor"]
bf := bundler.Ubiquitous
if flavor != "" {
bf = bundler.BundleFlavor(flavor)
}
log.Infof("request for flavor %v", bf)
var result *bundler.Bundle
switch matched[0] {
case "domain":
bundle, err := h.bundler.BundleFromRemote(blob["domain"], blob["ip"], bf)
if err != nil {
log.Warningf("couldn't bundle from remote: %v", err)
return err
}
result = bundle
case "certificate":
bundle, err := h.bundler.BundleFromPEMorDER([]byte(blob["certificate"]), []byte(blob["private_key"]), bf, "")
if err != nil {
log.Warning("bad PEM certifcate or private key")
return err
}
serverName := blob["domain"]
ip := blob["ip"]
if serverName != "" {
err := bundle.Cert.VerifyHostname(serverName)
if err != nil {
return errors.Wrap(errors.CertificateError, errors.VerifyFailed, err)
}
}
if ip != "" {
err := bundle.Cert.VerifyHostname(ip)
if err != nil {
return errors.Wrap(errors.CertificateError, errors.VerifyFailed, err)
}
}
result = bundle
}
log.Info("wrote response")
return api.SendResponse(w, result)
}
// registerHandlers instantiates various handlers and assoicate them to corresponding endpoints.
func registerHandlers() error {
log.Info("Setting up signer endpoint")
signHandler, err := api.NewSignHandler(Config.caFile, Config.caKeyFile)
if err != nil {
log.Warningf("endpoint '/api/v1/cfssl/sign' is disabled: %v", err)
} else {
http.Handle("/api/v1/cfssl/sign", signHandler)
}
log.Info("Setting up bundler endpoint")
bundleHandler, err := api.NewBundleHandler(Config.caBundleFile, Config.intBundleFile)
if err != nil {
log.Warningf("endpoint '/api/v1/cfssl/bundle' is disabled: %v", err)
} else {
http.Handle("/api/v1/cfssl/bundle", bundleHandler)
}
log.Info("Setting up CSR endpoint")
generatorHandler, err := api.NewGeneratorHandler(api.CSRValidate)
if err != nil {
log.Errorf("Failed to set up CSR endpoint: %v", err)
return err
}
http.Handle("/api/v1/cfssl/newkey", generatorHandler)
log.Info("Setting up new cert endpoint")
newCertGenerator, err := api.NewCertGeneratorHandler(api.CSRValidate,
Config.caFile, Config.caKeyFile)
if err != nil {
log.Errorf("endpoint '/api/v1/cfssl/newcert' is disabled")
} else {
http.Handle("/api/v1/cfssl/newcert", newCertGenerator)
}
log.Info("Setting up initial CA endpoint")
http.Handle("/api/v1/cfssl/init_ca", api.NewInitCAHandler())
if Config.remote != "" {
log.Info("Remote CFSSL endpoint given, setting up remote certificate generator")
if rcg, err := api.NewRemoteCertGenerator(api.CSRValidate, Config.remote); err != nil {
log.Errorf("Failed to set up remote certificate generator: %v", err)
return err
} else {
http.Handle("/api/v1/cfssl/remotecert", rcg)
}
}
log.Info("Handler set up complete.")
return nil
}
// check a cert against a specific CRL. Returns the same bool pair
// as revCheck.
func certIsRevokedCRL(cert *x509.Certificate, url string) (revoked, ok bool) {
crl, ok := CRLSet[url]
if ok && crl == nil {
ok = false
crlLock.Lock()
delete(CRLSet, url)
crlLock.Unlock()
}
var shouldFetchCRL = true
if ok {
if !crl.HasExpired(time.Now()) {
shouldFetchCRL = false
}
}
issuer := getIssuer(cert)
if shouldFetchCRL {
var err error
crl, err = fetchCRL(url)
if err != nil {
log.Warningf("failed to fetch CRL: %v", err)
return false, false
}
// check CRL signature
if issuer != nil {
err = issuer.CheckCRLSignature(crl)
if err != nil {
log.Warningf("failed to verify CRL: %v", err)
return false, false
}
}
crlLock.Lock()
CRLSet[url] = crl
crlLock.Unlock()
}
for _, revoked := range crl.TBSCertList.RevokedCertificates {
if cert.SerialNumber.Cmp(revoked.SerialNumber) == 0 {
log.Info("Serial number match: intermediate is revoked.")
return true, true
}
}
return false, true
}
// worker does all the parsing and validation of the certificate(s)
// contained in a single file. It first reads all the data in the
// file, then begins parsing certificates in the file. Those
// certificates are then checked for revocation.
func worker(paths chan string, bundler chan *x509.Certificate, pool *sync.WaitGroup) {
defer (*pool).Done()
for {
path, ok := <-paths
if !ok {
return
}
log.Infof("Loading %s", path)
fileData, err := ioutil.ReadFile(path)
if err != nil {
log.Warningf("%v", err)
continue
}
for {
var block *pem.Block
if len(fileData) == 0 {
break
}
block, fileData = pem.Decode(fileData)
if block == nil {
log.Warningf("%s: no PEM data found", path)
break
} else if block.Type != "CERTIFICATE" {
log.Info("Skipping non-certificate")
continue
}
cert, err := x509.ParseCertificate(block.Bytes)
if err != nil {
log.Warningf("Invalid certificate: %v", err)
continue
}
log.Infof("Validating %+v", cert.Subject)
revoked, ok := revoke.VerifyCertificate(cert)
if !ok {
log.Warning("Failed to verify certificate.")
} else if !revoked {
bundler <- cert
} else {
log.Info("Skipping revoked certificate")
}
}
}
}
// check a cert against a specific CRL. Returns the same bool pair
// as revCheck.
func certIsRevokedCRL(cert *x509.Certificate, url string) (revoked, ok bool) {
crl, ok := CRLSet[url]
if ok && crl == nil {
ok = false
delete(CRLSet, url)
}
var shouldFetchCRL = true
if ok {
if !crl.HasExpired(time.Now()) {
shouldFetchCRL = false
}
}
if shouldFetchCRL {
var err error
crl, err = fetchCRL(url)
if err != nil {
log.Warningf("failed to fetch CRL: %v", err)
return false, false
}
CRLSet[url] = crl
}
for _, revoked := range crl.TBSCertList.RevokedCertificates {
if cert.SerialNumber.Cmp(revoked.SerialNumber) == 0 {
log.Info("Serial number match: intermediate is revoked.")
return true, true
}
}
return false, true
}
func scanMain(args []string, c cli.Config) (err error) {
if c.List {
printJSON(scan.Default)
} else {
if err = scan.LoadRootCAs(c.CABundleFile); err != nil {
return
}
if len(args) >= c.MaxHosts {
log.Warningf("Only scanning max-hosts=%d out of %d args given", c.MaxHosts, len(args))
args = args[:c.MaxHosts]
} else if c.CSVFile != "" {
args, err = parseCSV(args, c.CSVFile, c.MaxHosts)
if err != nil {
return
}
}
ctx := newContext(c, c.NumWorkers)
// Execute for each HOST argument given
for len(args) > 0 {
var host string
host, args, err = cli.PopFirstArgument(args)
if err != nil {
return
}
ctx.hosts <- host
}
close(ctx.hosts)
ctx.Wait()
}
return
}
// registerHandlers instantiates various handlers and associate them to corresponding endpoints.
func registerHandlers() {
for path, getHandler := range endpoints {
log.Debugf("getHandler for %s", path)
if handler, err := getHandler(); err != nil {
log.Warningf("endpoint '%s' is disabled: %v", path, err)
} else {
if path, handler, err = wrapHandler(path, handler, err); err != nil {
log.Warningf("endpoint '%s' is disabled by wrapper: %v", path, err)
} else {
log.Infof("endpoint '%s' is enabled", path)
http.Handle(path, handler)
}
}
}
log.Info("Handler set up complete.")
}
func (ctx *context) copyResults(timeout time.Duration) map[string]FamilyResult {
var timedOut bool
done := make(chan bool, 1)
results := make(map[string]FamilyResult)
go func() {
for result := range ctx.resultChan {
if timedOut {
log.Debugf("Received result after timeout: %v", result)
continue
}
if results[result.Family] == nil {
results[result.Family] = make(FamilyResult)
}
results[result.Family][result.Scanner] = result.ScannerResult
}
done <- true
}()
select {
case <-done:
case <-time.After(timeout):
timedOut = true
log.Warningf("Scan timed out after %v", timeout)
}
return results
}
// RunScans iterates over AllScans, running scans matching the family and scanner
// regular expressions.
func (fs FamilySet) RunScans(host, family, scanner string, dur time.Duration) (map[string]FamilyResult, error) {
if _, _, err := net.SplitHostPort(host); err != nil {
host = net.JoinHostPort(host, "443")
}
familyRegexp, err := regexp.Compile(family)
if err != nil {
return nil, err
}
scannerRegexp, err := regexp.Compile(scanner)
if err != nil {
return nil, err
}
results := make(chan map[string]FamilyResult)
timeout := make(chan bool)
if dur > 0 {
go startTimer(dur, timeout)
}
familyResults := make(map[string]FamilyResult)
go func() {
for familyName, family := range fs {
if familyRegexp.MatchString(familyName) {
scannerResults := make(map[string]ScannerResult)
for scannerName, scanner := range family.Scanners {
if scannerRegexp.MatchString(scannerName) {
grade, output, err := scanner.Scan(host)
result := ScannerResult{
Grade: grade.String(),
Output: output,
}
if err != nil {
result.Error = err.Error()
}
scannerResults[scannerName] = result
}
}
familyResults[familyName] = scannerResults
}
}
results <- familyResults
}()
select {
case <-timeout:
log.Warningf("scan: %s timed out after %v", host, dur)
return nil, nil
case res := <-results:
return res, nil
}
}
// Handle responds to requests for the CA to generate a new private
// key and certificate request on behalf of the client. The format for
// these requests is documented in the API documentation.
func (g *Handler) Handle(w http.ResponseWriter, r *http.Request) error {
log.Info("request for CSR")
body, err := ioutil.ReadAll(r.Body)
if err != nil {
log.Warningf("failed to read request body: %v", err)
return errors.NewBadRequest(err)
}
r.Body.Close()
req := new(csr.CertificateRequest)
req.KeyRequest = csr.NewBasicKeyRequest()
err = json.Unmarshal(body, req)
if err != nil {
log.Warningf("failed to unmarshal request: %v", err)
return errors.NewBadRequest(err)
}
if req.CA != nil {
log.Warningf("request received with CA section")
return errors.NewBadRequestString("ca section only permitted in initca")
}
csr, key, err := g.generator.ProcessRequest(req)
if err != nil {
log.Warningf("failed to process CSR: %v", err)
// The validator returns a *cfssl/errors.HttpError
return err
}
sum, err := computeSum(csr)
if err != nil {
return errors.NewBadRequest(err)
}
// Both key and csr are returned PEM-encoded.
response := api.NewSuccessResponse(&CertRequest{
Key: string(key),
CSR: string(csr),
Sums: map[string]Sum{"certificate_request": sum},
})
w.Header().Set("Content-Type", "application/json")
enc := json.NewEncoder(w)
err = enc.Encode(response)
return err
}
// We can't handle LDAP certificates, so this checks to see if the
// URL string points to an LDAP resource so that we can ignore it.
func ldapURL(url string) bool {
u, err := neturl.Parse(url)
if err != nil {
log.Warningf("error parsing url %s: %v", url, err)
return false
}
if u.Scheme == "ldap" {
return true
}
return false
}
// registerHandlers instantiates various handlers and associate them to corresponding endpoints.
func registerHandlers() {
for path, getHandler := range v1Endpoints {
path = "/api/v1/cfssl/" + path
log.Infof("Setting up '%s' endpoint", path)
if handler, err := getHandler(); err != nil {
log.Warningf("endpoint '%s' is disabled: %v", path, err)
} else {
http.Handle(path, handler)
}
}
for path, getHandler := range staticEndpoints {
log.Infof("Setting up '%s' endpoint", path)
if handler, err := getHandler(); err != nil {
log.Warningf("endpoint '%s' is disabled: %v", path, err)
} else {
http.Handle(path, handler)
}
}
log.Info("Handler set up complete.")
}
func (h *BundlerHandler) Handle(w http.ResponseWriter, r *http.Request) error {
blob, matched, err := processRequestOneOf(r,
[][]string{
{"domain"},
{"certificate"},
})
if err != nil {
log.Warningf("invalid request: %v", err)
return err
}
var result *bundler.Bundle
switch matched[0] {
case "domain":
bundle, err := h.bundler.BundleFromRemote(blob["domain"], blob["ip"])
if err != nil {
log.Warningf("couldn't bundle from remote: %v", err)
return errors.NewBadRequest(err)
}
result = bundle
case "certificate":
flavor := blob["flavor"]
var bf bundler.BundleFlavor = bundler.Ubiquitous
if flavor != "" {
bf = bundler.BundleFlavor(flavor)
}
bundle, err := h.bundler.BundleFromPEM([]byte(blob["certificate"]), []byte(blob["private_key"]), bf)
if err != nil {
log.Warning("bad PEM certifcate or private key")
return errors.NewBadRequest(err)
}
log.Infof("request for flavour %v", flavor)
result = bundle
}
response := newSuccessResponse(result)
w.Header().Set("Content-Type", "application/json")
enc := json.NewEncoder(w)
err = enc.Encode(response)
return err
}
// registerHandlers instantiates various handlers and associate them to corresponding endpoints.
func registerHandlers() {
for path, getHandler := range endpoints {
path = v1APIPath(path)
log.Infof("Setting up '%s' endpoint", path)
if handler, err := getHandler(); err != nil {
log.Warningf("endpoint '%s' is disabled: %v", path, err)
} else {
http.Handle(path, handler)
}
}
log.Info("Handler set up complete.")
}
func (keys *defaultKeystore) Get(op *gokeyless.Operation) (priv crypto.Signer, ok bool) {
keys.RLock()
defer keys.RUnlock()
ski := op.SKI
if ski.Valid() {
priv, ok = keys.skis[ski]
} else {
if !ok {
log.Debug("Couldn't look up key based on SKI, trying Digest.")
if ski, ok = keys.digests[op.Digest]; ok {
priv, ok = keys.skis[ski]
}
}
if !ok {
log.Debug("Couldn't look up key based on Digest, trying SNI.")
if ski, ok = keys.snis[op.SNI]; ok {
priv, ok = keys.skis[ski]
}
}
if !ok {
if op.ServerIP != nil {
log.Debug("Couldn't look up key based on SNI, trying Server IP.")
if ski, ok = keys.serverIPs[op.ServerIP.String()]; ok {
priv, ok = keys.skis[ski]
}
}
}
if !ok {
if op.ClientIP != nil {
log.Debug("Couldn't look up key based on Server IP, trying Client IP.")
if ski, ok = keys.clientIPs[op.ClientIP.String()]; ok {
priv, ok = keys.skis[ski]
}
}
}
}
if !ok {
log.Infof("Couldn't look up key for %s.", op)
} else if len(keys.validAKIs[ski]) > 0 && !keys.validAKIs[ski].Contains(op.AKI) {
log.Warningf("Attempt to access key with invalid AKI: %s", op.AKI)
return nil, false
}
return
}
// Handle responds to requests for the CA to sign the certificate request
// present in the "certificate_request" parameter for the host named
// in the "hostname" parameter. The certificate should be PEM-encoded. If
// provided, subject information from the "subject" parameter will be used
// in place of the subject information from the CSR.
func (h *SignHandler) Handle(w http.ResponseWriter, r *http.Request) error {
log.Info("signature request received")
body, err := ioutil.ReadAll(r.Body)
if err != nil {
return err
}
r.Body.Close()
var req signer.SignRequest
err = json.Unmarshal(body, &req)
if err != nil {
return err
}
if len(req.Hosts) == 0 {
return errors.NewBadRequestString("missing paratmeter 'hosts'")
}
if req.Request == "" {
return errors.NewBadRequestString("missing parameter 'certificate_request'")
}
var cert []byte
var profile *config.SigningProfile
policy := h.signer.Policy()
if policy != nil && policy.Profiles != nil && req.Profile != "" {
profile = policy.Profiles[req.Profile]
}
if profile == nil && policy != nil {
profile = policy.Default
}
if profile.Provider != nil {
log.Error("profile requires authentication")
return errors.NewBadRequestString("authentication required")
}
cert, err = h.signer.Sign(req)
if err != nil {
log.Warningf("failed to sign request: %v", err)
return err
}
result := map[string]string{"certificate": string(cert)}
log.Info("wrote response")
return api.SendResponse(w, result)
}
// scanHandler is an HTTP handler that accepts GET parameters for host (required)
// family and scanner, and uses these to perform scans, returning a JSON blob result.
func scanHandler(w http.ResponseWriter, r *http.Request) error {
if err := r.ParseForm(); err != nil {
log.Warningf("failed to parse body: %v", err)
return errors.NewBadRequest(err)
}
family := r.Form.Get("family")
scanner := r.Form.Get("scanner")
ip := r.Form.Get("ip")
timeoutStr := r.Form.Get("timeout")
var timeout time.Duration
var err error
if timeoutStr != "" {
if timeout, err = time.ParseDuration(timeoutStr); err != nil {
return errors.NewBadRequest(err)
}
if timeout < time.Second || timeout > 5*time.Minute {
return errors.NewBadRequestString("invalid timeout given")
}
} else {
timeout = time.Minute
}
host := r.Form.Get("host")
if host == "" {
log.Warningf("no host given")
return errors.NewBadRequestString("no host given")
}
results, err := scan.Default.RunScans(host, ip, family, scanner, timeout)
if err != nil {
return errors.NewBadRequest(err)
}
return json.NewEncoder(w).Encode(api.NewSuccessResponse(results))
}
// ProcessRequest validates and processes the incoming request. It is
// a wrapper around a validator and the ParseRequest function.
func (g *Generator) ProcessRequest(req *CertificateRequest) (csr, key []byte, err error) {
log.Info("generate received request")
err = g.Validator(req)
if err != nil {
log.Warningf("invalid request: %v", err)
return
}
csr, key, err = ParseRequest(req)
if err != nil {
return nil, nil, err
}
return
}
// warnSkippedSettings prints a log warning message about skipped settings
// in a SigningProfile, usually due to remote signer.
func (p *Signing) warnSkippedSettings() {
const warningMessage = `The configuration value by "usages", "issuer_urls", "ocsp_url", "crl_url", "ca_constraint", "expiry", "backdate", "not_before", "not_after", "cert_store" and "ct_log_servers" are skipped`
if p == nil {
return
}
if p.Default.RemoteName != "" || p.Default.AuthRemote.RemoteName != "" {
log.Warning("default profile points to a remote signer: ", warningMessage)
}
for name, profile := range p.Profiles {
if profile.RemoteName != "" || profile.AuthRemote.RemoteName != "" {
log.Warningf("Profiles[%s] points to a remote signer: %s", name, warningMessage)
}
}
}
// Handle responds to requests for the CA to sign the certificate
// present in the "cert" parameter for the host named in the "hostname"
// parameter. The certificate should be PEM-encoded.
func (h *SignHandler) Handle(w http.ResponseWriter, r *http.Request) error {
log.Info("signature request received")
blob, err := processRequestRequired(r, []string{"hostname", "certificate_request"})
if err != nil {
return err
}
certificate := []byte(blob["certificate_request"])
cert, err := h.signer.Sign(blob["hostname"], certificate, blob["profile"])
if err != nil {
log.Warningf("failed to sign request: %v", err)
return errors.NewBadRequest(err)
}
result := map[string]string{"certificate": string(cert)}
log.Info("wrote response")
return sendResponse(w, result)
}
func main() {
var s *server.Server
if initToken != "" {
s = initializeServer()
} else {
s, err := server.NewServerFromFile(certFile, keyFile, caFile,
net.JoinHostPort("", port), net.JoinHostPort("", metricsPort))
if err != nil {
log.Warningf("Could not create server. Run with `gokeyless -init-token=XXX` to get %s and %s", keyFile, certFile)
log.Fatal(err)
}
if err := s.LoadKeysFromDir(keyDir, LoadKey); err != nil {
log.Fatal(err)
}
// Start server in background, then listen for SIGHUPs to reload keys.
go func() {
log.Fatal(s.ListenAndServe())
}()
}
if pidFile != "" {
if f, err := os.Create(pidFile); err != nil {
log.Errorf("error creating pid file: %v", err)
} else {
fmt.Fprintf(f, "%d", os.Getpid())
f.Close()
}
}
c := make(chan os.Signal, 1)
signal.Notify(c, syscall.SIGHUP)
for {
select {
case <-c:
log.Info("Received SIGHUP, reloading keys...")
if err := s.LoadKeysFromDir(keyDir, LoadKey); err != nil {
log.Fatal(err)
}
}
}
}
