27e2def5f0
* Refactor SSH init code, fix directory creation for TrustedUserCAKeys file * Update modules/ssh/init.go Co-authored-by: zeripath <art27@cantab.net> * fix lint copyright * Update modules/ssh/init.go Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
55 lines
1.7 KiB
Go
55 lines
1.7 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package ssh
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import (
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"fmt"
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"net"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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)
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func Init() error {
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if setting.SSH.Disabled {
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return nil
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}
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if setting.SSH.StartBuiltinServer {
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Listen(setting.SSH.ListenHost, setting.SSH.ListenPort, setting.SSH.ServerCiphers, setting.SSH.ServerKeyExchanges, setting.SSH.ServerMACs)
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log.Info("SSH server started on %s. Cipher list (%v), key exchange algorithms (%v), MACs (%v)",
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net.JoinHostPort(setting.SSH.ListenHost, strconv.Itoa(setting.SSH.ListenPort)),
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setting.SSH.ServerCiphers, setting.SSH.ServerKeyExchanges, setting.SSH.ServerMACs,
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)
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return nil
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}
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builtinUnused()
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// FIXME: why 0o644 for a directory .....
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if err := os.MkdirAll(setting.SSH.KeyTestPath, 0o644); err != nil {
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return fmt.Errorf("failed to create directory %q for ssh key test: %w", setting.SSH.KeyTestPath, err)
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}
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if len(setting.SSH.TrustedUserCAKeys) > 0 && setting.SSH.AuthorizedPrincipalsEnabled {
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caKeysFileName := setting.SSH.TrustedUserCAKeysFile
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caKeysFileDir := filepath.Dir(caKeysFileName)
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err := os.MkdirAll(caKeysFileDir, 0o700) // SSH.RootPath by default (That is `~/.ssh` in most cases)
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if err != nil {
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return fmt.Errorf("failed to create directory %q for ssh trusted ca keys: %w", caKeysFileDir, err)
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}
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if err := os.WriteFile(caKeysFileName, []byte(strings.Join(setting.SSH.TrustedUserCAKeys, "\n")), 0o600); err != nil {
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return fmt.Errorf("failed to write ssh trusted ca keys to %q: %w", caKeysFileName, err)
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}
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}
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return nil
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}
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