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//
// Copyright 2015, Sander van Harmelen
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// +build !windows
package sshagent
import (
"errors"
"fmt"
"net"
"os"
"golang.org/x/crypto/ssh/agent"
)
// New returns a new agent.Agent that uses a unix socket
func New() (agent.Agent, net.Conn, error) {
if !Available() {
return nil, nil, errors.New("SSH agent requested but SSH_AUTH_SOCK not-specified")
}
sshAuthSock := os.Getenv("SSH_AUTH_SOCK")
conn, err := net.Dial("unix", sshAuthSock)
if err != nil {
return nil, nil, fmt.Errorf("Error connecting to SSH_AUTH_SOCK: %v", err)
}
return agent.NewClient(conn), conn, nil
}
// Available returns true is a auth socket is defined
func Available() bool {
return os.Getenv("SSH_AUTH_SOCK") != ""
}
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