func selfSignMain(args []string, c cli.Config) (err error) { if c.Hostname == "" && !c.IsCA { c.Hostname, args, err = cli.PopFirstArgument(args) if err != nil { return } } csrFile, args, err := cli.PopFirstArgument(args) if err != nil { return } csrFileBytes, err := cli.ReadStdin(csrFile) if err != nil { return } var req = csr.New() err = json.Unmarshal(csrFileBytes, req) if err != nil { return } var key, csrPEM []byte g := &csr.Generator{Validator: genkey.Validator} csrPEM, key, err = g.ProcessRequest(req) if err != nil { key = nil return } priv, err := helpers.ParsePrivateKeyPEM(key) if err != nil { key = nil return } var profile *config.SigningProfile // If there is a config, use its signing policy. Otherwise, leave policy == nil // and NewSigner will use DefaultConfig(). if c.CFG != nil { if c.Profile != "" && c.CFG.Signing.Profiles != nil { profile = c.CFG.Signing.Profiles[c.Profile] } } if profile == nil { profile = config.DefaultConfig() profile.Expiry = 2190 * time.Hour } cert, err := selfsign.Sign(priv, csrPEM, profile) if err != nil { key = nil priv = nil return } fmt.Fprintf(os.Stderr, `*** WARNING *** Self-signed certificates are dangerous. Use this self-signed certificate at your own risk. It is strongly recommended that these certificates NOT be used in production. *** WARNING *** `) cli.PrintCert(key, csrPEM, cert) return }
// Handle responds to requests for the CA to generate a new private // key and certificate on behalf of the client. The format for these // requests is documented in the API documentation. func (cg *CertGeneratorHandler) Handle(w http.ResponseWriter, r *http.Request) error { log.Info("request for CSR") req := new(genSignRequest) req.Request = csr.New() 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) } if req.Request == nil { log.Warning("empty request received") return errors.NewBadRequestString("missing request section") } if req.Request.CA != nil { log.Warningf("request received with CA section") return errors.NewBadRequestString("ca section only permitted in initca") } csr, key, err := cg.generator.ProcessRequest(req.Request) if err != nil { log.Warningf("failed to process CSR: %v", err) // The validator returns a *cfssl/errors.HttpError return err } signReq := signer.SignRequest{ Request: string(csr), Profile: req.Profile, Label: req.Label, } certBytes, err := cg.signer.Sign(signReq) if err != nil { log.Warningf("failed to sign request: %v", err) return err } reqSum, err := computeSum(csr) if err != nil { return errors.NewBadRequest(err) } certSum, err := computeSum(certBytes) if err != nil { return errors.NewBadRequest(err) } result := map[string]interface{}{ "private_key": string(key), "certificate_request": string(csr), "certificate": string(certBytes), "sums": map[string]Sum{ "certificate_request": reqSum, "certificate": certSum, }, } if len(req.Request.Hosts) == 0 { return api.SendResponseWithMessage(w, result, CSRNoHostMessage, errors.New(errors.PolicyError, errors.InvalidRequest).ErrorCode) } return api.SendResponse(w, result) }