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author | Runxi Yu <me@runxiyu.org> | 2025-04-06 09:26:46 +0800 |
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committer | Runxi Yu <me@runxiyu.org> | 2025-04-06 09:27:53 +0800 |
commit | da1d8f4e7c332c7109427915e6459b10209cedce (patch) | |
tree | 280b921be3b51f93d82d916b4eaa89387b7102cc /internal/unsorted/ssh_server.go | |
parent | git2c, git2d: Rename cmd1 and cmd2 descriptively (diff) | |
download | forge-0.1.32.tar.gz forge-0.1.32.tar.zst forge-0.1.32.zip |
Move the Go stuff to ./forged/v0.1.32
Diffstat (limited to 'internal/unsorted/ssh_server.go')
-rw-r--r-- | internal/unsorted/ssh_server.go | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/internal/unsorted/ssh_server.go b/internal/unsorted/ssh_server.go deleted file mode 100644 index eb4d09d..0000000 --- a/internal/unsorted/ssh_server.go +++ /dev/null @@ -1,96 +0,0 @@ -// SPDX-License-Identifier: AGPL-3.0-only -// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org> - -package unsorted - -import ( - "fmt" - "log/slog" - "net" - "os" - "strings" - - gliderSSH "github.com/gliderlabs/ssh" - "go.lindenii.runxiyu.org/forge/internal/ansiec" - "go.lindenii.runxiyu.org/forge/internal/misc" - goSSH "golang.org/x/crypto/ssh" -) - -// serveSSH serves SSH on a [net.Listener]. The listener should generally be a -// TCP listener, although AF_UNIX SOCK_STREAM listeners may be appropriate in -// rare cases. -func (s *Server) serveSSH(listener net.Listener) error { - var hostKeyBytes []byte - var hostKey goSSH.Signer - var err error - var server *gliderSSH.Server - - if hostKeyBytes, err = os.ReadFile(s.config.SSH.Key); err != nil { - return err - } - - if hostKey, err = goSSH.ParsePrivateKey(hostKeyBytes); err != nil { - return err - } - - s.serverPubkey = hostKey.PublicKey() - s.serverPubkeyString = misc.BytesToString(goSSH.MarshalAuthorizedKey(s.serverPubkey)) - s.serverPubkeyFP = goSSH.FingerprintSHA256(s.serverPubkey) - - server = &gliderSSH.Server{ - Handler: func(session gliderSSH.Session) { - clientPubkey := session.PublicKey() - var clientPubkeyStr string - if clientPubkey != nil { - clientPubkeyStr = strings.TrimSuffix(misc.BytesToString(goSSH.MarshalAuthorizedKey(clientPubkey)), "\n") - } - - slog.Info("incoming ssh", "addr", session.RemoteAddr().String(), "key", clientPubkeyStr, "command", session.RawCommand()) - fmt.Fprintln(session.Stderr(), ansiec.Blue+"Lindenii Forge "+version+", source at "+strings.TrimSuffix(s.config.HTTP.Root, "/")+"/-/source/"+ansiec.Reset+"\r") - - cmd := session.Command() - - if len(cmd) < 2 { - fmt.Fprintln(session.Stderr(), "Insufficient arguments\r") - return - } - - switch cmd[0] { - case "git-upload-pack": - if len(cmd) > 2 { - fmt.Fprintln(session.Stderr(), "Too many arguments\r") - return - } - err = s.sshHandleUploadPack(session, clientPubkeyStr, cmd[1]) - case "git-receive-pack": - if len(cmd) > 2 { - fmt.Fprintln(session.Stderr(), "Too many arguments\r") - return - } - err = s.sshHandleRecvPack(session, clientPubkeyStr, cmd[1]) - default: - fmt.Fprintln(session.Stderr(), "Unsupported command: "+cmd[0]+"\r") - return - } - if err != nil { - fmt.Fprintln(session.Stderr(), err.Error()) - return - } - }, - PublicKeyHandler: func(_ gliderSSH.Context, _ gliderSSH.PublicKey) bool { return true }, - KeyboardInteractiveHandler: func(_ gliderSSH.Context, _ goSSH.KeyboardInteractiveChallenge) bool { return true }, - // It is intentional that we do not check any credentials and accept all connections. - // This allows all users to connect and clone repositories. However, the public key - // is passed to handlers, so e.g. the push handler could check the key and reject the - // push if it needs to. - } //exhaustruct:ignore - - server.AddHostKey(hostKey) - - if err = server.Serve(listener); err != nil { - slog.Error("error serving SSH", "error", err.Error()) - os.Exit(1) - } - - return nil -} |