d3a705f17b
1) Use the new LeaseExtend 2) Use default values controlled by mount tuning/system defaults instead of a random hard coded value 3) Remove grace periods
114 lines
3.2 KiB
Go
114 lines
3.2 KiB
Go
package ssh
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import (
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"fmt"
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"github.com/hashicorp/vault/logical"
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"github.com/hashicorp/vault/logical/framework"
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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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adminUserRaw, ok := req.Secret.InternalData["admin_user"]
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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adminUser, ok := adminUserRaw.(string)
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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usernameRaw, ok := req.Secret.InternalData["username"]
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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username, ok := usernameRaw.(string)
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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ipRaw, ok := req.Secret.InternalData["ip"]
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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ip, ok := ipRaw.(string)
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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hostKeyNameRaw, ok := req.Secret.InternalData["host_key_name"]
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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hostKeyName := hostKeyNameRaw.(string)
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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dynamicPublicKeyRaw, ok := req.Secret.InternalData["dynamic_public_key"]
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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dynamicPublicKey := dynamicPublicKeyRaw.(string)
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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installScriptRaw, ok := req.Secret.InternalData["install_script"]
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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installScript := installScriptRaw.(string)
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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portRaw, ok := req.Secret.InternalData["port"]
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if !ok {
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return nil, fmt.Errorf("secret is missing internal data")
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}
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port := int(portRaw.(float64))
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// Fetch the host key using the key name
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hostKey, err := b.getKey(req.Storage, hostKeyName)
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if err != nil {
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return nil, fmt.Errorf("key '%s' not found error:%s", hostKeyName, err)
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}
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if hostKey == nil {
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return nil, fmt.Errorf("key '%s' not found", 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(adminUser, username, ip, port, hostKey.Key, dynamicPublicKey, 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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