open-vault/builtin/logical/ssh/secret_dynamic_key.go
Vishal Nayak 28e3eb9e2c
Errwrap everywhere (#4252)
* package api

* package builtin/credential

* package builtin/logical

* package command

* package helper

* package http and logical

* package physical

* package shamir

* package vault

* package vault

* address feedback

* more fixes
2018-04-05 11:49:21 -04:00

72 lines
2.3 KiB
Go

package ssh
import (
"context"
"fmt"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/vault/logical"
"github.com/hashicorp/vault/logical/framework"
"github.com/mitchellh/mapstructure"
)
const SecretDynamicKeyType = "secret_dynamic_key_type"
func secretDynamicKey(b *backend) *framework.Secret {
return &framework.Secret{
Type: SecretDynamicKeyType,
Fields: map[string]*framework.FieldSchema{
"username": &framework.FieldSchema{
Type: framework.TypeString,
Description: "Username in host",
},
"ip": &framework.FieldSchema{
Type: framework.TypeString,
Description: "IP address of host",
},
},
Renew: b.secretDynamicKeyRenew,
Revoke: b.secretDynamicKeyRevoke,
}
}
func (b *backend) secretDynamicKeyRenew(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
return &logical.Response{Secret: req.Secret}, nil
}
func (b *backend) secretDynamicKeyRevoke(ctx context.Context, req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
type sec struct {
AdminUser string `mapstructure:"admin_user"`
Username string `mapstructure:"username"`
IP string `mapstructure:"ip"`
HostKeyName string `mapstructure:"host_key_name"`
DynamicPublicKey string `mapstructure:"dynamic_public_key"`
InstallScript string `mapstructure:"install_script"`
Port int `mapstructure:"port"`
}
intSec := &sec{}
err := mapstructure.Decode(req.Secret.InternalData, intSec)
if err != nil {
return nil, errwrap.Wrapf("secret internal data could not be decoded: {{err}}", err)
}
// Fetch the host key using the key name
hostKey, err := b.getKey(ctx, req.Storage, intSec.HostKeyName)
if err != nil {
return nil, errwrap.Wrapf(fmt.Sprintf("key %q not found error: {{err}}", intSec.HostKeyName), err)
}
if hostKey == nil {
return nil, fmt.Errorf("key %q not found", intSec.HostKeyName)
}
// Remove the public key from authorized_keys file in target machine
// The last param 'false' indicates that the key should be uninstalled.
err = b.installPublicKeyInTarget(ctx, intSec.AdminUser, intSec.Username, intSec.IP, intSec.Port, hostKey.Key, intSec.DynamicPublicKey, intSec.InstallScript, false)
if err != nil {
return nil, fmt.Errorf("error removing public key from authorized_keys file in target")
}
return nil, nil
}