265 lines
8 KiB
Go
265 lines
8 KiB
Go
package vault
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import (
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"bytes"
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"fmt"
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"net"
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"os/exec"
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"testing"
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"golang.org/x/crypto/ssh"
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"github.com/hashicorp/vault/audit"
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"github.com/hashicorp/vault/logical"
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"github.com/hashicorp/vault/logical/framework"
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"github.com/hashicorp/vault/physical"
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)
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// This file contains a number of methods that are useful for unit
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// tests within other packages.
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const (
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testSharedPublicKey = `
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ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC9i+hFxZHGo6KblVme4zrAcJstR6I0PTJozW286X4WyvPnkMYDQ5mnhEYC7UWCvjoTWbPEXPX7NjhRtwQTGD67bV+lrxgfyzK1JZbUXK4PwgKJvQD+XyyWYMzDgGSQY61KUSqCxymSm/9NZkPU3ElaQ9xQuTzPpztM4ROfb8f2Yv6/ZESZsTo0MTAkp8Pcy+WkioI/uJ1H7zqs0EA4OMY4aDJRu0UtP4rTVeYNEAuRXdX+eH4aW3KMvhzpFTjMbaJHJXlEeUm2SaX5TNQyTOvghCeQILfYIL/Ca2ij8iwCmulwdV6eQGfd4VDu40PvSnmfoaE38o6HaPnX0kUcnKiT
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`
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testSharedPrivateKey = `
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-----BEGIN RSA PRIVATE KEY-----
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MIIEogIBAAKCAQEAvYvoRcWRxqOim5VZnuM6wHCbLUeiND0yaM1tvOl+Fsrz55DG
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A0OZp4RGAu1Fgr46E1mzxFz1+zY4UbcEExg+u21fpa8YH8sytSWW1FyuD8ICib0A
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/l8slmDMw4BkkGOtSlEqgscpkpv/TWZD1NxJWkPcULk8z6c7TOETn2/H9mL+v2RE
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mbE6NDEwJKfD3MvlpIqCP7idR+86rNBAODjGOGgyUbtFLT+K01XmDRALkV3V/nh+
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GltyjL4c6RU4zG2iRyV5RHlJtkml+UzUMkzr4IQnkCC32CC/wmtoo/IsAprpcHVe
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nkBn3eFQ7uND70p5n6GhN/KOh2j519JFHJyokwIDAQABAoIBAHX7VOvBC3kCN9/x
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+aPdup84OE7Z7MvpX6w+WlUhXVugnmsAAVDczhKoUc/WktLLx2huCGhsmKvyVuH+
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MioUiE+vx75gm3qGx5xbtmOfALVMRLopjCnJYf6EaFA0ZeQ+NwowNW7Lu0PHmAU8
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Z3JiX8IwxTz14DU82buDyewO7v+cEr97AnERe3PUcSTDoUXNaoNxjNpEJkKREY6h
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4hAY676RT/GsRcQ8tqe/rnCqPHNd7JGqL+207FK4tJw7daoBjQyijWuB7K5chSal
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oPInylM6b13ASXuOAOT/2uSUBWmFVCZPDCmnZxy2SdnJGbsJAMl7Ma3MUlaGvVI+
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Tfh1aQkCgYEA4JlNOabTb3z42wz6mz+Nz3JRwbawD+PJXOk5JsSnV7DtPtfgkK9y
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6FTQdhnozGWShAvJvc+C4QAihs9AlHXoaBY5bEU7R/8UK/pSqwzam+MmxmhVDV7G
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IMQPV0FteoXTaJSikhZ88mETTegI2mik+zleBpVxvfdhE5TR+lq8Br0CgYEA2AwJ
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CUD5CYUSj09PluR0HHqamWOrJkKPFPwa+5eiTTCzfBBxImYZh7nXnWuoviXC0sg2
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AuvCW+uZ48ygv/D8gcz3j1JfbErKZJuV+TotK9rRtNIF5Ub7qysP7UjyI7zCssVM
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kuDd9LfRXaB/qGAHNkcDA8NxmHW3gpln4CFdSY8CgYANs4xwfercHEWaJ1qKagAe
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rZyrMpffAEhicJ/Z65lB0jtG4CiE6w8ZeUMWUVJQVcnwYD+4YpZbX4S7sJ0B8Ydy
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AhkSr86D/92dKTIt2STk6aCN7gNyQ1vW198PtaAWH1/cO2UHgHOy3ZUt5X/Uwxl9
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cex4flln+1Viumts2GgsCQKBgCJH7psgSyPekK5auFdKEr5+Gc/jB8I/Z3K9+g4X
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5nH3G1PBTCJYLw7hRzw8W/8oALzvddqKzEFHphiGXK94Lqjt/A4q1OdbCrhiE68D
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My21P/dAKB1UYRSs9Y8CNyHCjuZM9jSMJ8vv6vG/SOJPsnVDWVAckAbQDvlTHC9t
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O98zAoGAcbW6uFDkrv0XMCpB9Su3KaNXOR0wzag+WIFQRXCcoTvxVi9iYfUReQPi
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oOyBJU/HMVvBfv4g+OVFLVgSwwm6owwsouZ0+D/LasbuHqYyqYqdyPJQYzWA2Y+F
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+B6f4RoPdSXj24JHPg/ioRxjaj094UXJxua2yfkcecGNEuBQHSs=
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-----END RSA PRIVATE KEY-----
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`
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)
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// TestCore returns a pure in-memory, uninitialized core for testing.
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func TestCore(t *testing.T) *Core {
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noopAudits := map[string]audit.Factory{
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"noop": func(map[string]string) (audit.Backend, error) {
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return new(noopAudit), nil
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},
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}
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noopBackends := make(map[string]logical.Factory)
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noopBackends["noop"] = func(*logical.BackendConfig) (logical.Backend, error) {
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return new(framework.Backend), nil
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}
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noopBackends["http"] = func(*logical.BackendConfig) (logical.Backend, error) {
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return new(rawHTTP), nil
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}
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logicalBackends := make(map[string]logical.Factory)
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for backendName, backendFactory := range noopBackends {
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logicalBackends[backendName] = backendFactory
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}
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for backendName, backendFactory := range testLogicalBackends {
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logicalBackends[backendName] = backendFactory
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}
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physicalBackend := physical.NewInmem()
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c, err := NewCore(&CoreConfig{
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Physical: physicalBackend,
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AuditBackends: noopAudits,
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LogicalBackends: logicalBackends,
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CredentialBackends: noopBackends,
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DisableMlock: true,
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})
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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return c
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}
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// TestCoreInit initializes the core with a single key, and returns
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// the key that must be used to unseal the core and a root token.
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func TestCoreInit(t *testing.T, core *Core) ([]byte, string) {
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result, err := core.Initialize(&SealConfig{
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SecretShares: 1,
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SecretThreshold: 1,
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})
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if err != nil {
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t.Fatalf("err: %s", err)
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}
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return result.SecretShares[0], result.RootToken
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}
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// TestCoreUnsealed returns a pure in-memory core that is already
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// initialized and unsealed.
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func TestCoreUnsealed(t *testing.T) (*Core, []byte, string) {
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core := TestCore(t)
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key, token := TestCoreInit(t, core)
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if _, err := core.Unseal(TestKeyCopy(key)); err != nil {
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t.Fatalf("unseal err: %s", err)
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}
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sealed, err := core.Sealed()
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if err != nil {
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t.Fatalf("err checking seal status: %s", err)
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}
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if sealed {
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t.Fatal("should not be sealed")
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}
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return core, key, token
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}
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// TestKeyCopy is a silly little function to just copy the key so that
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// it can be used with Unseal easily.
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func TestKeyCopy(key []byte) []byte {
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result := make([]byte, len(key))
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copy(result, key)
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return result
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}
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var testLogicalBackends = map[string]logical.Factory{}
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// Starts the test server which responds to SSH authentication.
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// Used to test the SSH secret backend.
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func StartTestServer() (string, error) {
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pubKey, _, _, _, err := ssh.ParseAuthorizedKey([]byte(testSharedPublicKey))
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if err != nil {
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return "", fmt.Errorf("Error parsing public key")
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}
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serverConfig := &ssh.ServerConfig{
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PublicKeyCallback: func(conn ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
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if bytes.Compare(pubKey.Marshal(), key.Marshal()) == 0 {
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return &ssh.Permissions{}, nil
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} else {
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return nil, fmt.Errorf("Key does not match")
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}
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},
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}
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signer, err := ssh.ParsePrivateKey([]byte(testSharedPrivateKey))
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if err != nil {
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panic("Error parsing private key")
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}
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serverConfig.AddHostKey(signer)
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soc, err := net.Listen("tcp", "127.0.0.1:0")
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if err != nil {
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return "", fmt.Errorf("Error listening to connection")
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}
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go func() {
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for {
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conn, err := soc.Accept()
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if err != nil {
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panic(fmt.Sprintf("Error accepting incoming connection: %s", err))
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}
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defer conn.Close()
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sshConn, chanReqs, _, err := ssh.NewServerConn(conn, serverConfig)
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if err != nil {
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panic(fmt.Sprintf("Handshaking error: %v", err))
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}
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go func() {
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for chanReq := range chanReqs {
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go func(chanReq ssh.NewChannel) {
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if chanReq.ChannelType() != "session" {
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chanReq.Reject(ssh.UnknownChannelType, "unknown channel type")
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return
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}
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ch, requests, err := chanReq.Accept()
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if err != nil {
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panic(fmt.Sprintf("Error accepting channel: %s", err))
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}
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go func(ch ssh.Channel, in <-chan *ssh.Request) {
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for req := range in {
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executeServerCommand(ch, req)
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}
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}(ch, requests)
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}(chanReq)
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}
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sshConn.Close()
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}()
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}
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}()
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return soc.Addr().String(), nil
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}
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// This executes the commands requested to be run on the server.
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// Used to test the SSH secret backend.
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func executeServerCommand(ch ssh.Channel, req *ssh.Request) {
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command := string(req.Payload[4:])
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cmd := exec.Command("/bin/bash", []string{"-c", command}...)
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req.Reply(true, nil)
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cmd.Stdout = ch
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cmd.Stderr = ch
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cmd.Stdin = ch
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err := cmd.Start()
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if err != nil {
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panic(fmt.Sprintf("Error starting the command: '%s'", err))
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}
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go func() {
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_, err := cmd.Process.Wait()
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if err != nil {
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panic(fmt.Sprintf("Error while waiting for command to finish:'%s'", err))
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}
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ch.Close()
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}()
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}
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// This adds a logical backend for the test core. This needs to be
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// invoked before the test core is created.
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func AddTestLogicalBackend(name string, factory logical.Factory) error {
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if name == "" {
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return fmt.Errorf("Missing backend name")
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}
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if factory == nil {
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return fmt.Errorf("Missing backend factory function")
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}
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testLogicalBackends[name] = factory
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return nil
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}
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type noopAudit struct{}
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func (n *noopAudit) LogRequest(a *logical.Auth, r *logical.Request, e error) error {
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return nil
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}
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func (n *noopAudit) LogResponse(a *logical.Auth, r *logical.Request, re *logical.Response, err error) error {
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return nil
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}
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type rawHTTP struct{}
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func (n *rawHTTP) HandleRequest(req *logical.Request) (*logical.Response, error) {
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return &logical.Response{
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Data: map[string]interface{}{
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logical.HTTPStatusCode: 200,
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logical.HTTPContentType: "plain/text",
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logical.HTTPRawBody: []byte("hello world"),
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},
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}, nil
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}
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func (n *rawHTTP) SpecialPaths() *logical.Paths {
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return &logical.Paths{Unauthenticated: []string{"*"}}
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}
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