34 lines
739 B
Go
34 lines
739 B
Go
//go:build linux || freebsd
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// +build linux freebsd
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package sftp
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import (
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"fmt"
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"os"
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"path/filepath"
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"golang.org/x/crypto/ssh"
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"golang.org/x/crypto/ssh/knownhosts"
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)
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func hostKeyCallback(knownHostsPath string, insecure bool) (ssh.HostKeyCallback, error) {
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if insecure {
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return ssh.InsecureIgnoreHostKey(), nil
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}
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if knownHostsPath == "" {
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home, err := os.UserHomeDir()
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if err != nil {
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return nil, fmt.Errorf("known_hosts: %w", err)
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}
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knownHostsPath = filepath.Join(home, ".ssh", "known_hosts")
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}
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if _, err := os.Stat(knownHostsPath); err != nil {
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return nil, fmt.Errorf("known_hosts file not found: %s (use --ssh-insecure to skip host key check)", knownHostsPath)
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}
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return knownhosts.New(knownHostsPath)
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}
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