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args.go
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args.go
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/*
* Copyright 2018 Venafi, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package main
import (
"flag"
"fmt"
"github.com/Venafi/vcert/pkg/certificate"
"io/ioutil"
"os"
"strings"
)
type command int
const (
commandRegister command = iota
commandGenCSR
commandEnroll
commandPickup
commandRevoke
commandRenew
)
var (
registerFlags = flag.NewFlagSet("register", flag.PanicOnError)
regParams commandFlags
genCsrFlags = flag.NewFlagSet("gencsr", flag.PanicOnError)
genCsrParams commandFlags
enrollFlags = flag.NewFlagSet("enroll", flag.PanicOnError)
enrollParams commandFlags
pickupFlags = flag.NewFlagSet("pickup", flag.PanicOnError)
pickParams commandFlags
revokeFlags = flag.NewFlagSet("revoke", flag.PanicOnError)
revokeParams commandFlags
renewFlags = flag.NewFlagSet("renew", flag.PanicOnError)
renewParams commandFlags
)
type commandFlags struct {
email string
verbose bool
tppURL string
tppUser string
tppPassword string
apiKey string
cloudURL string
zone string
csrOption string
keyType certificate.KeyType
keySize int
keyCurve certificate.EllipticCurve
keyPassword string
friendlyName string
commonName string
distinguishedName string
thumbprint string
org string
country string
state string
locality string
orgUnits stringSlice
dnsSans stringSlice
ipSans ipSlice
emailSans emailSlice
format string
file string
keyFile string
csrFile string
certFile string
chainFile string
chainOption string
noPrompt bool
pickupID string
trustBundle string
noPickup bool
testMode bool
testModeDelay int
revocationReason string
revocationNoRetire bool
pickupIdFile string
timeout int
insecure bool
config string
profile string
}
func createFromCommandFlags(co command) *commandFlags {
var f commandFlags
switch co {
case commandRegister:
f = regParams
case commandGenCSR:
f = genCsrParams
case commandEnroll:
f = enrollParams
case commandPickup:
f = pickParams
case commandRevoke:
f = revokeParams
case commandRenew:
f = renewParams
}
return &f
}
func validateFlags(c command) error {
switch c {
case commandRegister:
case commandGenCSR:
return validateGenerateFlags()
case commandEnroll:
return validateEnrollmentFlags()
case commandPickup:
return validatePickupFlags()
case commandRevoke:
return validateRevokeFlags()
case commandRenew:
return validateRenewFlags()
}
return nil
}
func parseArgs() (co command, cf *commandFlags, err error) {
if len(os.Args) <= 1 {
showvcertUsage()
exit(0)
}
switch strings.ToLower(os.Args[1]) {
case "register":
co = commandRegister
err = registerFlags.Parse(os.Args[2:])
if err != nil {
logger.Panicf("%s", err)
}
case "gencsr":
co = commandGenCSR
err = genCsrFlags.Parse(os.Args[2:])
if err != nil {
logger.Panicf("%s", err)
}
case "enroll":
co = commandEnroll
err = enrollFlags.Parse(os.Args[2:])
if err != nil {
fmt.Printf("%s", err)
logger.Panicf("%s", err)
}
case "pickup":
co = commandPickup
err = pickupFlags.Parse(os.Args[2:])
if err != nil {
logger.Panicf("%s", err)
}
case "revoke":
co = commandRevoke
err = revokeFlags.Parse(os.Args[2:])
if err != nil {
logger.Panicf("%s", err)
}
case "renew":
co = commandRenew
err = renewFlags.Parse(os.Args[2:])
if err != nil {
logger.Panicf("%s", err)
}
case "-v", "--v", "-version", "version":
printVersion()
exit(0)
default:
showvcertUsage()
exit(0)
}
err = validateFlags(co)
if err != nil {
logger.Panicf("%s", err)
}
cf = createFromCommandFlags(co)
if 0 == strings.Index(cf.distinguishedName, "file:") {
fileName := cf.distinguishedName[5:]
bytes, err := ioutil.ReadFile(fileName)
if err != nil {
logger.Panicf("Failed to read Certificate DN: %s", err)
}
cf.distinguishedName = strings.TrimSpace(string(bytes))
}
if 0 == strings.Index(cf.thumbprint, "file:") {
certFileName := cf.thumbprint[5:]
cf.thumbprint, err = readThumbprintFromFile(certFileName)
if err != nil {
logger.Panicf("Failed to read certificate fingerprint: %s", err)
}
}
if cf.format != "" {
formats := map[string]bool{
"pem": true,
"json": true,
"pkcs12": true,
}
if _, ok := formats[cf.format]; !ok {
logger.Panicf("Unexpected output format: %s", cf.format)
}
}
return co, cf, nil
}