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-rw-r--r--modules/ssh/init.go55
1 files changed, 55 insertions, 0 deletions
diff --git a/modules/ssh/init.go b/modules/ssh/init.go
new file mode 100644
index 0000000..21d4f89
--- /dev/null
+++ b/modules/ssh/init.go
@@ -0,0 +1,55 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+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 {
+ builtinUnused()
+ 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
+}