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Settable ssh keyfile, host, port

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This commit is contained in:
lash 2024-09-22 02:57:10 +01:00
parent 84422684c5
commit e07f88b368
Signed by: lash
GPG Key ID: 21D2E7BB88C2A746
1 changed files with 21 additions and 8 deletions
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29
cmd/ssh/main.go
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@ -142,6 +142,9 @@ type sshRunner struct {
DbDir string
ResourceDir string
Debug bool
KeyFile string
Host string
Port uint
}
func(s *sshRunner) GetEngine(sessionId string) (engine.Engine, func(), error) {
@ -203,18 +206,18 @@ func(s *sshRunner) GetEngine(sessionId string) (engine.Engine, func(), error) {
}
// adapted example from crypto/ssh package, NewServerConn doc
func(s *sshRunner) Run(ctx context.Context) {//, mss *storage.MenuStorageService, lhs *handlers.LocalHandlerService) {
func(s *sshRunner) Run(ctx context.Context) {
running := true
// TODO: waitgroup should probably not be global
defer wg.Wait()
// TODO: must set ServerConn.Conn.SessionId to phone sessionid
auth := NewAuther(ctx)
cfg := ssh.ServerConfig{
PublicKeyCallback: auth.Check,
}
privateBytes, err := os.ReadFile("/home/lash/.ssh/id_rsa_tmp")
privateBytes, err := os.ReadFile(s.KeyFile)
if err != nil {
logg.ErrorCtxf(ctx, "Failed to load private key", "err", err)
}
@ -224,7 +227,7 @@ func(s *sshRunner) Run(ctx context.Context) {//, mss *storage.MenuStorageService
}
cfg.AddHostKey(private)
lst, err := net.Listen("tcp", "0.0.0.0:2022")
lst, err := net.Listen("tcp", fmt.Sprintf("%s:%d", s.Host, s.Port))
if err != nil {
panic(err)
}
@ -278,7 +281,7 @@ func(s *sshRunner) Run(ctx context.Context) {//, mss *storage.MenuStorageService
}
}
// TODO: This is test code, move to external tool for adding and removing keys
func sshLoadKeys(ctx context.Context, dbDir string) error {
keyStoreFile := path.Join(dbDir, "ssh_authorized_keys.gdbm")
keyStore = storage.NewThreadGdbmDb()
@ -309,10 +312,17 @@ func main() {
flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
flag.UintVar(&size, "s", 160, "max size of output")
flag.StringVar(&host, "h", "127.0.0.1", "http host")
flag.UintVar(&port, "p", 7123, "http port")
flag.UintVar(&port, "p", 7122, "http port")
flag.Parse()
logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir, "outputsize", size)
sshKeyFile := flag.Arg(0)
_, err := os.Stat(sshKeyFile)
if err != nil {
fmt.Fprintf(os.Stderr, "cannot open ssh server private key file: %v\n", err)
os.Exit(1)
}
logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir, "outputsize", size, "keyfile", sshKeyFile, "host", host, "port", port)
ctx := context.Background()
pfp := path.Join(scriptDir, "pp.csv")
@ -329,7 +339,7 @@ func main() {
cfg.EngineDebug = true
}
err := sshLoadKeys(ctx, dbDir)
err = sshLoadKeys(ctx, dbDir)
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
@ -341,6 +351,9 @@ func main() {
FlagFile: pfp,
DbDir: dbDir,
ResourceDir: resourceDir,
KeyFile: sshKeyFile,
Host: host,
Port: port,
}
runner.Run(ctx)
}