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Add options to set org's subject values #1

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73 changes: 50 additions & 23 deletions provision.go
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Original file line number Diff line number Diff line change
Expand Up @@ -31,14 +31,26 @@ type Config struct {
}

type Ca struct {
Bits int `default:"4096" help:"Number of bits"`
Bits int `default:"4096" help:"Number of bits"`
Org string `default:"IOT Express Pvt Ltd" help:"Organisation's name under which certificate is authorized"`
Ctry string `default:"India" help:"Organisation's home country"`
Prov string `default:"Karnataka" help:"Organisation's home state"`
Loc string `default:"Bangalore" help:"Organisation's locality"`
StrAdd string `default:"Subbiah Garden" help:"Organisation's street address"`
PostCode string `default:"560011" help:"Postal code for address"`
}

type Server struct {
Bits int `default:"4096" help:"Number of bits"`
Ca string `arg:"required" help:"ca cert path to sign server certificates"`
CaKey string `arg:"required" help:"ca key path to sign server certificates"`
Domain string `arg:"required" help:"domain name"`
Bits int `default:"4096" help:"Number of bits"`
Ca string `arg:"required" help:"ca cert path to sign server certificates"`
CaKey string `arg:"required" help:"ca key path to sign server certificates"`
Domain string `arg:"required" help:"domain name"`
Org string `default:"IOT Express Pvt Ltd" help:"Organisation's name under which certificate is authorized"`
Ctry string `default:"India" help:"Organisation's home country"`
Prov string `default:"Karnataka" help:"Organisation's home state"`
Loc string `default:"Bangalore" help:"Organisation's locality"`
StrAdd string `default:"Subbiah Garden" help:"Organisation's street address"`
PostCode string `default:"560011" help:"Postal code for address"`
}

type Client struct {
Expand All @@ -63,19 +75,21 @@ func main() {
}

if c.Ca != nil {
generateCA(c.Ca.Bits, c.Out)
c.generateCA()
}

if c.Server != nil {
generateServerCerts(c.Server.Bits, c.Server.Ca, c.Server.CaKey, c.Server.Domain, c.Out)
c.generateServerCerts()
}

if c.Client != nil {
generateClientCerts(c.Client.Bits, c.Client.Ca, c.Client.CaKey, c.Client.Device, c.Client.Tenant, c.Out)
c.generateClientCerts()
}
}

func generateCA(bits int, out string) {
func (c Config) generateCA() {
bits := c.Ca.Bits
out := c.Out
// create our RSA private and public key
key, err := rsa.GenerateKey(rand.Reader, bits)
check(err)
Expand All @@ -84,12 +98,12 @@ func generateCA(bits int, out string) {
cert := &x509.Certificate{
SerialNumber: big.NewInt(2019),
Subject: pkix.Name{
Organization: []string{"IOT Express Pvt Ltd"},
Country: []string{"India"},
Province: []string{"Karnataka"},
Locality: []string{"Bangalore"},
StreetAddress: []string{"Subbiah Garden"},
PostalCode: []string{"560011"},
Organization: []string{c.Ca.Org},
Country: []string{c.Ca.Ctry},
Province: []string{c.Ca.Prov},
Locality: []string{c.Ca.Loc},
StreetAddress: []string{c.Ca.StrAdd},
PostalCode: []string{c.Ca.PostCode},
},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(10, 0, 0),
Expand Down Expand Up @@ -118,7 +132,13 @@ func generateCA(bits int, out string) {
fmt.Printf("%q\n", caCertPEM)
}

func generateServerCerts(bits int, caCertPath, caKeyPath, domain string, out string) {
func (c Config) generateServerCerts() {
bits := c.Server.Bits
caCertPath := c.Server.Ca
caKeyPath := c.Server.CaKey
domain := c.Server.Domain
out := c.Out

caPrivateKeyPEM, err := ioutil.ReadFile(caKeyPath)
check(err)

Expand All @@ -142,12 +162,12 @@ func generateServerCerts(bits int, caCertPath, caKeyPath, domain string, out str
SerialNumber: big.NewInt(2019),
Subject: pkix.Name{
CommonName: domain,
Organization: []string{"Bytebeam.io"},
Country: []string{"India"},
Province: []string{"Karnataka"},
Locality: []string{"Bangalore"},
StreetAddress: []string{"Subbiah Garden"},
PostalCode: []string{"560011"},
Organization: []string{c.Server.Org},
Country: []string{c.Server.Ctry},
Province: []string{c.Server.Prov},
Locality: []string{c.Server.Loc},
StreetAddress: []string{c.Server.StrAdd},
PostalCode: []string{c.Server.PostCode},
},
DNSNames: []string{domain},
NotBefore: time.Now(),
Expand Down Expand Up @@ -176,7 +196,14 @@ func generateServerCerts(bits int, caCertPath, caKeyPath, domain string, out str
fmt.Printf("%v\n", string(serverCertPEM))
}

func generateClientCerts(bits int, caCertPath, caKeyPath, deviceName, tenantName string, out string) {
func (c Config) generateClientCerts() {
bits := c.Client.Bits
caCertPath := c.Client.Ca
caKeyPath := c.Client.CaKey
deviceName := c.Client.Device
tenantName := c.Client.Tenant
out := c.Out

caPrivateKeyPEM, err := ioutil.ReadFile(caKeyPath)
check(err)

Expand Down