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Refactor SSH init code, fix directory creation for TrustedUserCAKeys file (#20299)

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* 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>
This commit is contained in:
wxiaoguang
2022-07-10 14:50:26 +08:00
committed by GitHub
parent a9e66cfdad
commit 27e2def5f0
4 changed files with 63 additions and 29 deletions
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55
modules/ssh/init.go Normal file
View File

@@ -0,0 +1,55 @@
// Copyright 2022 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package ssh
import (
"fmt"
"net"
"os"
"path/filepath"
"strconv"
"strings"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
)
func Init() error {
if setting.SSH.Disabled {
return nil
}
if setting.SSH.StartBuiltinServer {
Listen(setting.SSH.ListenHost, setting.SSH.ListenPort, setting.SSH.ServerCiphers, setting.SSH.ServerKeyExchanges, setting.SSH.ServerMACs)
log.Info("SSH server started on %s. Cipher list (%v), key exchange algorithms (%v), MACs (%v)",
net.JoinHostPort(setting.SSH.ListenHost, strconv.Itoa(setting.SSH.ListenPort)),
setting.SSH.ServerCiphers, setting.SSH.ServerKeyExchanges, setting.SSH.ServerMACs,
)
return nil
}
builtinUnused()
// FIXME: why 0o644 for a directory .....
if err := os.MkdirAll(setting.SSH.KeyTestPath, 0o644); err != nil {
return fmt.Errorf("failed to create directory %q for ssh key test: %w", setting.SSH.KeyTestPath, err)
}
if len(setting.SSH.TrustedUserCAKeys) > 0 && setting.SSH.AuthorizedPrincipalsEnabled {
caKeysFileName := setting.SSH.TrustedUserCAKeysFile
caKeysFileDir := filepath.Dir(caKeysFileName)
err := os.MkdirAll(caKeysFileDir, 0o700) // SSH.RootPath by default (That is `~/.ssh` in most cases)
if err != nil {
return fmt.Errorf("failed to create directory %q for ssh trusted ca keys: %w", caKeysFileDir, err)
}
if err := os.WriteFile(caKeysFileName, []byte(strings.Join(setting.SSH.TrustedUserCAKeys, "\n")), 0o600); err != nil {
return fmt.Errorf("failed to write ssh trusted ca keys to %q: %w", caKeysFileName, err)
}
}
return nil
}

4
modules/ssh/ssh_graceful.go
View File

@@ -29,7 +29,7 @@ func listen(server *ssh.Server) {
log.Info("SSH Listener: %s Closed", server.Addr)
}
// Unused informs our cleanup routine that we will not be using a ssh port
func Unused() {
// builtinUnused informs our cleanup routine that we will not be using a ssh port
func builtinUnused() {
graceful.GetManager().InformCleanup()
}