João Oliveirinha
4 months ago
23 changed files with 312 additions and 398 deletions
@ -1,172 +0,0 @@
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build ignore
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// Generate a self-signed X.509 certificate for a TLS server. Outputs to
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// 'cert.pem' and 'key.pem' and will overwrite existing files.
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package main |
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import ( |
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"crypto/ecdsa" |
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"crypto/ed25519" |
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"crypto/elliptic" |
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"crypto/rand" |
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"crypto/rsa" |
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"crypto/x509" |
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"crypto/x509/pkix" |
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"encoding/pem" |
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"flag" |
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"log" |
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"math/big" |
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"net" |
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"os" |
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"strings" |
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"time" |
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) |
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var ( |
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host = flag.String("host", "", "Comma-separated hostnames and IPs to generate a certificate for") |
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validFrom = flag.String("start-date", "", "Creation date formatted as Jan 1 15:04:05 2011") |
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validFor = flag.Duration("duration", 365*24*time.Hour, "Duration that certificate is valid for") |
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isCA = flag.Bool("ca", false, "whether this cert should be its own Certificate Authority") |
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rsaBits = flag.Int("rsa-bits", 2048, "Size of RSA key to generate. Ignored if --ecdsa-curve is set") |
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ecdsaCurve = flag.String("ecdsa-curve", "", "ECDSA curve to use to generate a key. Valid values are P224, P256 (recommended), P384, P521") |
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ed25519Key = flag.Bool("ed25519", false, "Generate an Ed25519 key") |
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) |
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func publicKey(priv any) any { |
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switch k := priv.(type) { |
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case *rsa.PrivateKey: |
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return &k.PublicKey |
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case *ecdsa.PrivateKey: |
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return &k.PublicKey |
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case ed25519.PrivateKey: |
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return k.Public().(ed25519.PublicKey) |
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default: |
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return nil |
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} |
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} |
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func main() { |
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flag.Parse() |
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if len(*host) == 0 { |
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log.Fatalf("Missing required --host parameter") |
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} |
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var priv any |
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var err error |
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switch *ecdsaCurve { |
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case "": |
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if *ed25519Key { |
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_, priv, err = ed25519.GenerateKey(rand.Reader) |
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} else { |
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priv, err = rsa.GenerateKey(rand.Reader, *rsaBits) |
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} |
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case "P224": |
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priv, err = ecdsa.GenerateKey(elliptic.P224(), rand.Reader) |
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case "P256": |
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priv, err = ecdsa.GenerateKey(elliptic.P256(), rand.Reader) |
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case "P384": |
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priv, err = ecdsa.GenerateKey(elliptic.P384(), rand.Reader) |
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case "P521": |
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priv, err = ecdsa.GenerateKey(elliptic.P521(), rand.Reader) |
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default: |
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log.Fatalf("Unrecognized elliptic curve: %q", *ecdsaCurve) |
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} |
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if err != nil { |
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log.Fatalf("Failed to generate private key: %v", err) |
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} |
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// ECDSA, ED25519 and RSA subject keys should have the DigitalSignature
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// KeyUsage bits set in the x509.Certificate template
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keyUsage := x509.KeyUsageDigitalSignature |
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// Only RSA subject keys should have the KeyEncipherment KeyUsage bits set. In
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// the context of TLS this KeyUsage is particular to RSA key exchange and
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// authentication.
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if _, isRSA := priv.(*rsa.PrivateKey); isRSA { |
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keyUsage |= x509.KeyUsageKeyEncipherment |
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} |
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var notBefore time.Time |
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if len(*validFrom) == 0 { |
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notBefore = time.Now() |
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} else { |
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notBefore, err = time.Parse("Jan 2 15:04:05 2006", *validFrom) |
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if err != nil { |
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log.Fatalf("Failed to parse creation date: %v", err) |
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} |
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} |
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notAfter := notBefore.Add(*validFor) |
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serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128) |
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serialNumber, err := rand.Int(rand.Reader, serialNumberLimit) |
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if err != nil { |
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log.Fatalf("Failed to generate serial number: %v", err) |
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} |
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template := x509.Certificate{ |
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SerialNumber: serialNumber, |
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Subject: pkix.Name{ |
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Organization: []string{"Acme Co"}, |
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}, |
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NotBefore: notBefore, |
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NotAfter: notAfter, |
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KeyUsage: keyUsage, |
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ExtKeyUsage: []x509.ExtKeyUsage{x509.ExtKeyUsageServerAuth}, |
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BasicConstraintsValid: true, |
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} |
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hosts := strings.Split(*host, ",") |
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for _, h := range hosts { |
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if ip := net.ParseIP(h); ip != nil { |
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template.IPAddresses = append(template.IPAddresses, ip) |
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} else { |
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template.DNSNames = append(template.DNSNames, h) |
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} |
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} |
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if *isCA { |
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template.IsCA = true |
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template.KeyUsage |= x509.KeyUsageCertSign |
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} |
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derBytes, err := x509.CreateCertificate(rand.Reader, &template, &template, publicKey(priv), priv) |
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if err != nil { |
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log.Fatalf("Failed to create certificate: %v", err) |
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} |
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certOut, err := os.Create("cert.pem") |
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if err != nil { |
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log.Fatalf("Failed to open cert.pem for writing: %v", err) |
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} |
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if err := pem.Encode(certOut, &pem.Block{Type: "CERTIFICATE", Bytes: derBytes}); err != nil { |
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log.Fatalf("Failed to write data to cert.pem: %v", err) |
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} |
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if err := certOut.Close(); err != nil { |
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log.Fatalf("Error closing cert.pem: %v", err) |
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} |
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log.Print("wrote cert.pem\n") |
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keyOut, err := os.OpenFile("key.pem", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600) |
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if err != nil { |
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log.Fatalf("Failed to open key.pem for writing: %v", err) |
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return |
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} |
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privBytes, err := x509.MarshalPKCS8PrivateKey(priv) |
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if err != nil { |
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log.Fatalf("Unable to marshal private key: %v", err) |
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} |
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if err := pem.Encode(keyOut, &pem.Block{Type: "PRIVATE KEY", Bytes: privBytes}); err != nil { |
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log.Fatalf("Failed to write data to key.pem: %v", err) |
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} |
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if err := keyOut.Close(); err != nil { |
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log.Fatalf("Error closing key.pem: %v", err) |
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} |
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log.Print("wrote key.pem\n") |
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} |
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@ -1,43 +0,0 @@
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// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build aix || (go1.12 && darwin)
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// +build aix go1.12,darwin
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package socket |
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import ( |
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"syscall" |
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"unsafe" |
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) |
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//go:linkname syscall_getsockopt syscall.getsockopt
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func syscall_getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *uint32) error |
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func getsockopt(s uintptr, level, name int, b []byte) (int, error) { |
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l := uint32(len(b)) |
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err := syscall_getsockopt(int(s), level, name, unsafe.Pointer(&b[0]), &l) |
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return int(l), err |
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} |
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//go:linkname syscall_setsockopt syscall.setsockopt
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func syscall_setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) error |
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func setsockopt(s uintptr, level, name int, b []byte) error { |
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return syscall_setsockopt(int(s), level, name, unsafe.Pointer(&b[0]), uintptr(len(b))) |
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} |
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//go:linkname syscall_recvmsg syscall.recvmsg
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func syscall_recvmsg(s int, msg *syscall.Msghdr, flags int) (n int, err error) |
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func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { |
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return syscall_recvmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags) |
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} |
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//go:linkname syscall_sendmsg syscall.sendmsg
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func syscall_sendmsg(s int, msg *syscall.Msghdr, flags int) (n int, err error) |
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func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { |
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return syscall_sendmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags) |
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} |
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@ -0,0 +1,13 @@
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// Copyright 2021 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build loong64
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// +build loong64
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package socket |
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const ( |
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sysRECVMMSG = 0xf3 |
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sysSENDMMSG = 0x10d |
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) |
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@ -1,59 +0,0 @@
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// Copyright 2017 The Go Authors. All rights reserved.
|
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// Use of this source code is governed by a BSD-style
|
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// license that can be found in the LICENSE file.
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package socket |
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import ( |
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"syscall" |
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"unsafe" |
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) |
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//go:cgo_import_dynamic libc___xnet_getsockopt __xnet_getsockopt "libsocket.so"
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//go:cgo_import_dynamic libc_setsockopt setsockopt "libsocket.so"
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//go:cgo_import_dynamic libc___xnet_recvmsg __xnet_recvmsg "libsocket.so"
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//go:cgo_import_dynamic libc___xnet_sendmsg __xnet_sendmsg "libsocket.so"
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//go:linkname procGetsockopt libc___xnet_getsockopt
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//go:linkname procSetsockopt libc_setsockopt
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//go:linkname procRecvmsg libc___xnet_recvmsg
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//go:linkname procSendmsg libc___xnet_sendmsg
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var ( |
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procGetsockopt uintptr |
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procSetsockopt uintptr |
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procRecvmsg uintptr |
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procSendmsg uintptr |
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) |
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func sysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (uintptr, uintptr, syscall.Errno) |
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func rawSysvicall6(trap, nargs, a1, a2, a3, a4, a5, a6 uintptr) (uintptr, uintptr, syscall.Errno) |
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func getsockopt(s uintptr, level, name int, b []byte) (int, error) { |
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l := uint32(len(b)) |
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_, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procGetsockopt)), 5, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0) |
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return int(l), errnoErr(errno) |
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} |
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func setsockopt(s uintptr, level, name int, b []byte) error { |
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_, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procSetsockopt)), 5, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0) |
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return errnoErr(errno) |
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} |
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func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { |
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n, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procRecvmsg)), 3, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0) |
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return int(n), errnoErr(errno) |
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} |
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func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { |
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n, _, errno := sysvicall6(uintptr(unsafe.Pointer(&procSendmsg)), 3, s, uintptr(unsafe.Pointer(h)), uintptr(flags), 0, 0, 0) |
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return int(n), errnoErr(errno) |
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} |
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func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { |
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return 0, errNotImplemented |
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} |
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func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { |
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return 0, errNotImplemented |
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} |
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@ -1,11 +0,0 @@
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// Copyright 2016 The Go Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
||||
// license that can be found in the LICENSE file. |
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#include "textflag.h" |
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TEXT ·sysvicall6(SB),NOSPLIT,$0-88 |
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JMP syscall·sysvicall6(SB) |
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TEXT ·rawSysvicall6(SB),NOSPLIT,$0-88 |
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JMP syscall·rawSysvicall6(SB) |
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@ -0,0 +1,40 @@
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// Code generated by cmd/cgo -godefs; DO NOT EDIT.
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// cgo -godefs defs_linux.go
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//go:build loong64
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// +build loong64
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package socket |
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type iovec struct { |
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Base *byte |
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Len uint64 |
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} |
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|
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type msghdr struct { |
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Name *byte |
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Namelen uint32 |
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Iov *iovec |
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Iovlen uint64 |
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Control *byte |
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Controllen uint64 |
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Flags int32 |
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Pad_cgo_0 [4]byte |
||||
} |
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|
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type mmsghdr struct { |
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Hdr msghdr |
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Len uint32 |
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Pad_cgo_0 [4]byte |
||||
} |
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|
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type cmsghdr struct { |
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Len uint64 |
||||
Level int32 |
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Type int32 |
||||
} |
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|
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const ( |
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sizeofIovec = 0x10 |
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sizeofMsghdr = 0x38 |
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) |
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@ -0,0 +1,77 @@
|
||||
// Code generated by cmd/cgo -godefs; DO NOT EDIT.
|
||||
// cgo -godefs defs_linux.go
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|
||||
//go:build loong64
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// +build loong64
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|
||||
package ipv4 |
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|
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const ( |
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sizeofKernelSockaddrStorage = 0x80 |
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sizeofSockaddrInet = 0x10 |
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sizeofInetPktinfo = 0xc |
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sizeofSockExtendedErr = 0x10 |
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|
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sizeofIPMreq = 0x8 |
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sizeofIPMreqSource = 0xc |
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sizeofGroupReq = 0x88 |
||||
sizeofGroupSourceReq = 0x108 |
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|
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sizeofICMPFilter = 0x4 |
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) |
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type kernelSockaddrStorage struct { |
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Family uint16 |
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X__data [126]int8 |
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} |
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|
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type sockaddrInet struct { |
||||
Family uint16 |
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Port uint16 |
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Addr [4]byte /* in_addr */ |
||||
X__pad [8]uint8 |
||||
} |
||||
|
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type inetPktinfo struct { |
||||
Ifindex int32 |
||||
Spec_dst [4]byte /* in_addr */ |
||||
Addr [4]byte /* in_addr */ |
||||
} |
||||
|
||||
type sockExtendedErr struct { |
||||
Errno uint32 |
||||
Origin uint8 |
||||
Type uint8 |
||||
Code uint8 |
||||
Pad uint8 |
||||
Info uint32 |
||||
Data uint32 |
||||
} |
||||
|
||||
type ipMreq struct { |
||||
Multiaddr [4]byte /* in_addr */ |
||||
Interface [4]byte /* in_addr */ |
||||
} |
||||
|
||||
type ipMreqSource struct { |
||||
Multiaddr uint32 |
||||
Interface uint32 |
||||
Sourceaddr uint32 |
||||
} |
||||
|
||||
type groupReq struct { |
||||
Interface uint32 |
||||
Pad_cgo_0 [4]byte |
||||
Group kernelSockaddrStorage |
||||
} |
||||
|
||||
type groupSourceReq struct { |
||||
Interface uint32 |
||||
Pad_cgo_0 [4]byte |
||||
Group kernelSockaddrStorage |
||||
Source kernelSockaddrStorage |
||||
} |
||||
|
||||
type icmpFilter struct { |
||||
Data uint32 |
||||
} |
||||
@ -0,0 +1,77 @@
|
||||
// Code generated by cmd/cgo -godefs; DO NOT EDIT.
|
||||
// cgo -godefs defs_linux.go
|
||||
|
||||
//go:build loong64
|
||||
// +build loong64
|
||||
|
||||
package ipv6 |
||||
|
||||
const ( |
||||
sizeofKernelSockaddrStorage = 0x80 |
||||
sizeofSockaddrInet6 = 0x1c |
||||
sizeofInet6Pktinfo = 0x14 |
||||
sizeofIPv6Mtuinfo = 0x20 |
||||
sizeofIPv6FlowlabelReq = 0x20 |
||||
|
||||
sizeofIPv6Mreq = 0x14 |
||||
sizeofGroupReq = 0x88 |
||||
sizeofGroupSourceReq = 0x108 |
||||
|
||||
sizeofICMPv6Filter = 0x20 |
||||
) |
||||
|
||||
type kernelSockaddrStorage struct { |
||||
Family uint16 |
||||
X__data [126]int8 |
||||
} |
||||
|
||||
type sockaddrInet6 struct { |
||||
Family uint16 |
||||
Port uint16 |
||||
Flowinfo uint32 |
||||
Addr [16]byte /* in6_addr */ |
||||
Scope_id uint32 |
||||
} |
||||
|
||||
type inet6Pktinfo struct { |
||||
Addr [16]byte /* in6_addr */ |
||||
Ifindex int32 |
||||
} |
||||
|
||||
type ipv6Mtuinfo struct { |
||||
Addr sockaddrInet6 |
||||
Mtu uint32 |
||||
} |
||||
|
||||
type ipv6FlowlabelReq struct { |
||||
Dst [16]byte /* in6_addr */ |
||||
Label uint32 |
||||
Action uint8 |
||||
Share uint8 |
||||
Flags uint16 |
||||
Expires uint16 |
||||
Linger uint16 |
||||
X__flr_pad uint32 |
||||
} |
||||
|
||||
type ipv6Mreq struct { |
||||
Multiaddr [16]byte /* in6_addr */ |
||||
Ifindex int32 |
||||
} |
||||
|
||||
type groupReq struct { |
||||
Interface uint32 |
||||
Pad_cgo_0 [4]byte |
||||
Group kernelSockaddrStorage |
||||
} |
||||
|
||||
type groupSourceReq struct { |
||||
Interface uint32 |
||||
Pad_cgo_0 [4]byte |
||||
Group kernelSockaddrStorage |
||||
Source kernelSockaddrStorage |
||||
} |
||||
|
||||
type icmpv6Filter struct { |
||||
Data [8]uint32 |
||||
} |
||||
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