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reformat code with gofmt

Yes, I know that this breaks the history search, but it had to be done
sooner or later. I also adjusted my editor to follow the guidelines more
closely.
This commit is contained in:
Gibheer 2015-03-25 20:43:18 +01:00
parent bb41ff218a
commit ba5a59931e
5 changed files with 677 additions and 590 deletions

View File

@ -2,8 +2,8 @@
package main
import (
"fmt"
"flag"
"fmt"
"os"
)
@ -51,7 +51,9 @@ func (c *Command) eval(args []string) error {
return cmd.eval(rest)
}
}
if err := c.Flags().Parse(args); err != nil { return err }
if err := c.Flags().Parse(args); err != nil {
return err
}
if c.Run != nil {
c.Run(c, rest)
} else {
@ -83,7 +85,9 @@ func (c *Command) Help(args []string) {
}
}
}
if c.Long != "" { fmt.Println(c.Long, "\n") }
if c.Long != "" {
fmt.Println(c.Long, "\n")
}
c.Usage()
}

100
flags.go
View File

@ -78,7 +78,7 @@ type (
length int
}
flagCheck func()(error)
flagCheck func() error
)
var (
@ -218,16 +218,22 @@ func InitFlagPrivateKey(cmd *Command) {
// check the private key flag and load the private key
func checkPrivateKey() error {
if flagContainer.privateKeyPath == "" { return fmt.Errorf("No private key given!") }
if flagContainer.privateKeyPath == "" {
return fmt.Errorf("No private key given!")
}
// check permissions of private key file
info, err := os.Stat(flagContainer.privateKeyPath)
if err != nil { return fmt.Errorf("Error reading private key: %s", err) }
if err != nil {
return fmt.Errorf("Error reading private key: %s", err)
}
if info.Mode().Perm().String()[4:] != "------" {
return fmt.Errorf("private key file modifyable by others!")
}
pk, err := ReadPrivateKeyFile(flagContainer.privateKeyPath)
if err != nil { return fmt.Errorf("Error reading private key: %s", err) }
if err != nil {
return fmt.Errorf("Error reading private key: %s", err)
}
FlagPrivateKey = pk
return nil
}
@ -239,10 +245,14 @@ func InitFlagPublicKey(cmd *Command) {
// parse public key flag
func checkPublicKey() error {
if flagContainer.publicKeyPath == "" { return fmt.Errorf("No public key given!") }
if flagContainer.publicKeyPath == "" {
return fmt.Errorf("No public key given!")
}
pu, err := ReadPublicKeyFile(flagContainer.publicKeyPath)
if err != nil { return fmt.Errorf("Error reading public key: %s", err) }
if err != nil {
return fmt.Errorf("Error reading public key: %s", err)
}
FlagPublicKey = pu
return nil
}
@ -282,11 +292,15 @@ func checkCertFlags() error {
var err error
if notbefore := flagContainer.certGeneration.notBefore; notbefore != "" {
FlagCertificateGeneration.NotBefore, err = parseTimeRFC3339(notbefore)
if err != nil { return err }
if err != nil {
return err
}
}
if notafter := flagContainer.certGeneration.notAfter; notafter != "" {
FlagCertificateGeneration.NotAfter, err = parseTimeRFC3339(notafter)
if err != nil { return err }
if err != nil {
return err
}
}
return nil
}
@ -303,7 +317,9 @@ func InitFlagCSR(cmd *Command) {
// parse the certificate sign request
func checkCSR() error {
rest, err := ioutil.ReadFile(flagContainer.signRequestPath)
if err != nil { return fmt.Errorf("Error reading certificate sign request: %s", err) }
if err != nil {
return fmt.Errorf("Error reading certificate sign request: %s", err)
}
var csr_asn1 []byte
var block *pem.Block
@ -322,7 +338,9 @@ func checkCSR() error {
}
csr, err := pki.LoadCertificateSignRequest(csr_asn1)
if err != nil { return fmt.Errorf("Invalid certificate sign request: %s", err) }
if err != nil {
return fmt.Errorf("Invalid certificate sign request: %s", err)
}
FlagCertificateSignRequest = csr
return nil
}
@ -343,7 +361,9 @@ func checkOutput() error {
os.O_WRONLY|os.O_APPEND|os.O_CREATE, // do not kill users files!
0600,
)
if err != nil { return err }
if err != nil {
return err
}
return nil
}
@ -360,7 +380,9 @@ func checkInput() error {
}
var err error
FlagInput, err = os.Open(flagContainer.inputPath)
if err != nil { return err }
if err != nil {
return err
}
return nil
}
@ -381,11 +403,16 @@ func checkPrivateKeyGeneration() error {
switch pk_type {
case "ecdsa":
switch flagContainer.length {
case 224: FlagPrivateKeyGeneration.Curve = elliptic.P224()
case 256: FlagPrivateKeyGeneration.Curve = elliptic.P256()
case 384: FlagPrivateKeyGeneration.Curve = elliptic.P384()
case 521: FlagPrivateKeyGeneration.Curve = elliptic.P521()
default: return fmt.Errorf("Curve %d unknown!", flagContainer.length)
case 224:
FlagPrivateKeyGeneration.Curve = elliptic.P224()
case 256:
FlagPrivateKeyGeneration.Curve = elliptic.P256()
case 384:
FlagPrivateKeyGeneration.Curve = elliptic.P384()
case 521:
FlagPrivateKeyGeneration.Curve = elliptic.P521()
default:
return fmt.Errorf("Curve %d unknown!", flagContainer.length)
}
case "rsa":
size := flagContainer.length
@ -394,7 +421,8 @@ func checkPrivateKeyGeneration() error {
} else {
return fmt.Errorf("Length of %d is not allowed for rsa!", size)
}
default: return fmt.Errorf("Type %s is unknown!", pk_type)
default:
return fmt.Errorf("Type %s is unknown!", pk_type)
}
return nil
}
@ -408,7 +436,9 @@ func InitFlagSignature(cmd *Command) {
func checkSignature() error {
var err error
FlagSignature, err = base64.StdEncoding.DecodeString(flagContainer.signature)
if err != nil { return err }
if err != nil {
return err
}
return nil
}
@ -416,40 +446,40 @@ func checkSignature() error {
func InitFlagCertificateFields(cmd *Command) {
cmd.Flags().StringVar(
&flagContainer.certificateFlags.manual.serialNumber,
"serial", "1", "unique serial number of the CA");
"serial", "1", "unique serial number of the CA")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.manual.commonName,
"common-name", "", "common name of the entity to certify");
"common-name", "", "common name of the entity to certify")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.manual.dnsNames,
"dns-names", "", "comma separated list of alternative fqdn entries for the entity");
"dns-names", "", "comma separated list of alternative fqdn entries for the entity")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.manual.emailAddresses,
"email-address", "", "comma separated list of alternative email entries for the entity");
"email-address", "", "comma separated list of alternative email entries for the entity")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.manual.ipAddresses,
"ip-address", "", "comma separated list of alternative ip entries for the entity");
"ip-address", "", "comma separated list of alternative ip entries for the entity")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.automatic.Country,
"country", "", "comma separated list of countries the entitiy resides in");
"country", "", "comma separated list of countries the entitiy resides in")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.automatic.Organization,
"organization", "", "comma separated list of organizations the entity belongs to");
"organization", "", "comma separated list of organizations the entity belongs to")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.automatic.OrganizationalUnit,
"organization-unit", "", "comma separated list of organization units or departments the entity belongs to");
"organization-unit", "", "comma separated list of organization units or departments the entity belongs to")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.automatic.Locality,
"locality", "", "comma separated list of localities or cities the entity resides in");
"locality", "", "comma separated list of localities or cities the entity resides in")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.automatic.Province,
"province", "", "comma separated list of provinces the entity resides in");
"province", "", "comma separated list of provinces the entity resides in")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.automatic.StreetAddress,
"street-address", "", "comma separated list of street addresses the entity resides in");
"street-address", "", "comma separated list of street addresses the entity resides in")
cmd.Flags().StringVar(
&flagContainer.certificateFlags.automatic.PostalCode,
"postal-code", "", "comma separated list of postal codes of the localities");
"postal-code", "", "comma separated list of postal codes of the localities")
}
// parse the certificate fields into a raw certificate
@ -462,7 +492,9 @@ func checkCertificateFields() error {
for _, field := range []string{"Country", "Organization", "OrganizationalUnit",
"Locality", "Province", "StreetAddress", "PostalCode"} {
field_value := container_type.FieldByName(field).String()
if field_value == "" { continue }
if field_value == "" {
continue
}
target := cert_data_type.FieldByName(field)
target.Set(reflect.ValueOf(strings.Split(field_value, ",")))
}
@ -479,7 +511,9 @@ func checkCertificateFields() error {
data.EmailAddresses = strings.Split(raw_data.emailAddresses, ",")
}
if raw_data.ipAddresses == "" { return nil }
if raw_data.ipAddresses == "" {
return nil
}
raw_ips := strings.Split(raw_data.ipAddresses, ",")
data.IPAddresses = make([]net.IP, len(raw_ips))
for i, ip := range raw_ips {

8
io.go
View File

@ -15,7 +15,9 @@ var (
// load a pem section from a file
func readSectionFromFile(path, btype string) ([]byte, error) {
raw, err := readFile(path)
if err != nil { return raw, err }
if err != nil {
return raw, err
}
return decodeSection(raw, btype)
}
@ -23,7 +25,9 @@ func readSectionFromFile(path, btype string) ([]byte, error) {
// read a file completely and report possible errors
func readFile(path string) ([]byte, error) {
raw, err := ioutil.ReadFile(path)
if err != nil { return EmptyByteArray, err }
if err != nil {
return EmptyByteArray, err
}
return raw, nil
}

73
main.go
View File

@ -35,15 +35,24 @@ func create_private_key(cmd *Command, args []string) {
var pk pki.Pemmer
switch FlagPrivateKeyGeneration.Type {
case "ecdsa": pk, err = pki.NewPrivateKeyEcdsa(FlagPrivateKeyGeneration.Curve)
case "rsa": pk, err = pki.NewPrivateKeyRsa(FlagPrivateKeyGeneration.Size)
default: crash_with_help(cmd, ErrorInput, "Unknown private key type '%s'", FlagPrivateKeyGeneration.Type)
case "ecdsa":
pk, err = pki.NewPrivateKeyEcdsa(FlagPrivateKeyGeneration.Curve)
case "rsa":
pk, err = pki.NewPrivateKeyRsa(FlagPrivateKeyGeneration.Size)
default:
crash_with_help(cmd, ErrorInput, "Unknown private key type '%s'", FlagPrivateKeyGeneration.Type)
}
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error creating private key: %s", err)
}
if err != nil { crash_with_help(cmd, ErrorProgram, "Error creating private key: %s", err) }
marsh_pem, err := pk.MarshalPem()
if err != nil { crash_with_help(cmd, ErrorProgram, "Error when marshalling to pem: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error when marshalling to pem: %s", err)
}
_, err = marsh_pem.WriteTo(FlagOutput)
if err != nil { crash_with_help(cmd, ErrorProgram, "Error when writing output: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error when writing output: %s", err)
}
}
// create a public key derived from a private key
@ -56,9 +65,13 @@ func create_public_key(cmd *Command, args []string) {
var pub_key pki.Pemmer
pub_key = FlagPrivateKey.Public()
marsh_pem, err := pub_key.MarshalPem()
if err != nil { crash_with_help(cmd, ErrorProgram, "Error when marshalling to pem: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error when marshalling to pem: %s", err)
}
_, err = marsh_pem.WriteTo(FlagOutput)
if err != nil { crash_with_help(cmd, ErrorProgram, "Error when writing output: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error when writing output: %s", err)
}
}
// sign a message using he private key
@ -69,11 +82,17 @@ func sign_input(cmd *Command, args []string) {
}
message, err := ioutil.ReadAll(FlagInput)
if err != nil { crash_with_help(cmd, ErrorProgram, "Error reading input: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error reading input: %s", err)
}
signature, err := FlagPrivateKey.Sign(message, crypto.SHA256)
if err != nil { crash_with_help(cmd, ErrorProgram, "Could not compute signature: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Could not compute signature: %s", err)
}
_, err = io.WriteString(FlagOutput, base64.StdEncoding.EncodeToString(signature))
if err != nil { crash_with_help(cmd, ErrorProgram, "Could not write to output: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Could not write to output: %s", err)
}
// if we print to stderr, send a final line break to make the output nice
if FlagOutput == os.Stdout {
@ -91,9 +110,13 @@ func verify_input(cmd *Command, args []string) {
signature := FlagSignature
message, err := ioutil.ReadAll(FlagInput)
if err != nil { crash_with_help(cmd, ErrorProgram, "Error reading input: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error reading input: %s", err)
}
valid, err := FlagPublicKey.Verify(message, signature, crypto.SHA256)
if err != nil { crash_with_help(cmd, ErrorProgram, "Could not verify message using signature: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Could not verify message using signature: %s", err)
}
if valid {
fmt.Println("valid")
os.Exit(0)
@ -110,11 +133,17 @@ func create_sign_request(cmd *Command, args []string) {
}
csr, err := FlagCertificateRequestData.ToCertificateRequest(FlagPrivateKey)
if err != nil { crash_with_help(cmd, ErrorProgram, "Could not create certificate sign request: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Could not create certificate sign request: %s", err)
}
pem_block, err := csr.MarshalPem()
if err != nil { crash_with_help(cmd, ErrorProgram, "Error when marshalling to pem: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error when marshalling to pem: %s", err)
}
_, err = pem_block.WriteTo(FlagOutput)
if err != nil { crash_with_help(cmd, ErrorProgram, "Could not write to output: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Could not write to output: %s", err)
}
}
func create_cert(cmd *Command, args []string) {
@ -129,11 +158,17 @@ func create_cert(cmd *Command, args []string) {
FlagCertificateGeneration,
nil,
)
if err != nil { crash_with_help(cmd, ErrorProgram, "Error generating certificate: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error generating certificate: %s", err)
}
pem_block, err := cert.MarshalPem()
if err != nil { crash_with_help(cmd, ErrorProgram, "Error when marshalling to pem: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Error when marshalling to pem: %s", err)
}
_, err = pem_block.WriteTo(FlagOutput)
if err != nil { crash_with_help(cmd, ErrorProgram, "Could not write to output: %s", err) }
if err != nil {
crash_with_help(cmd, ErrorProgram, "Could not write to output: %s", err)
}
}
// crash and provide a helpful message

View File

@ -17,13 +17,17 @@ func ReadPrivateKeyFile(path string) (pki.PrivateKey, error) {
raw_pk, err := readSectionFromFile(path, pki.PemLabelEcdsa)
if err == nil {
pk, err := pki.LoadPrivateKeyEcdsa(raw_pk)
if err != nil { return nil, err }
if err != nil {
return nil, err
}
return pk, nil
}
raw_pk, err = readSectionFromFile(path, pki.PemLabelRsa)
if err == nil {
pk, err := pki.LoadPrivateKeyRsa(raw_pk)
if err != nil { return nil, err }
if err != nil {
return nil, err
}
return pk, nil
}
return nil, ErrNoPKFound
@ -32,12 +36,18 @@ func ReadPrivateKeyFile(path string) (pki.PrivateKey, error) {
// read the public key and try to figure out what kind of key it might be
func ReadPublicKeyFile(path string) (pki.PublicKey, error) {
raw_pu, err := readSectionFromFile(path, pki.PemLabelPublic)
if err != nil { return nil, ErrNoPUFound }
if err != nil {
return nil, ErrNoPUFound
}
var public pki.PublicKey
public, err = pki.LoadPublicKeyEcdsa(raw_pu)
if err == nil { return public, nil }
if err == nil {
return public, nil
}
public, err = pki.LoadPublicKeyRsa(raw_pu)
if err == nil { return public, nil }
if err == nil {
return public, nil
}
return nil, ErrUnknownFormat
}