72 lines
2.3 KiB
Go
72 lines
2.3 KiB
Go
package ssh
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import (
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"fmt"
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"github.com/hashicorp/errwrap"
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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/mitchellh/mapstructure"
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)
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const SecretDynamicKeyType = "secret_dynamic_key_type"
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func secretDynamicKey(b *backend) *framework.Secret {
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return &framework.Secret{
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Type: SecretDynamicKeyType,
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Fields: map[string]*framework.FieldSchema{
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"username": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "Username in host",
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},
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"ip": &framework.FieldSchema{
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Type: framework.TypeString,
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Description: "IP address of host",
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},
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},
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Renew: b.secretDynamicKeyRenew,
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Revoke: b.secretDynamicKeyRevoke,
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}
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}
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func (b *backend) secretDynamicKeyRenew(req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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f := framework.LeaseExtend(0, 0, b.System())
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return f(req, d)
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}
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func (b *backend) secretDynamicKeyRevoke(req *logical.Request, d *framework.FieldData) (*logical.Response, error) {
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type sec struct {
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AdminUser string `mapstructure:"admin_user"`
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Username string `mapstructure:"username"`
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IP string `mapstructure:"ip"`
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HostKeyName string `mapstructure:"host_key_name"`
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DynamicPublicKey string `mapstructure:"dynamic_public_key"`
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InstallScript string `mapstructure:"install_script"`
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Port int `mapstructure:"port"`
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}
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intSec := &sec{}
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err := mapstructure.Decode(req.Secret.InternalData, intSec)
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if err != nil {
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return nil, errwrap.Wrapf("secret internal data could not be decoded: {{err}}", err)
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}
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// Fetch the host key using the key name
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hostKey, err := b.getKey(req.Storage, intSec.HostKeyName)
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if err != nil {
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return nil, fmt.Errorf("key %q not found error: %v", intSec.HostKeyName, err)
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}
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if hostKey == nil {
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return nil, fmt.Errorf("key %q not found", intSec.HostKeyName)
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}
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// Remove the public key from authorized_keys file in target machine
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// The last param 'false' indicates that the key should be uninstalled.
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err = b.installPublicKeyInTarget(intSec.AdminUser, intSec.Username, intSec.IP, intSec.Port, hostKey.Key, intSec.DynamicPublicKey, intSec.InstallScript, false)
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if err != nil {
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return nil, fmt.Errorf("error removing public key from authorized_keys file in target")
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}
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return nil, nil
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}
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