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infra/hosts/nachtigall/apps/forgejo/multiple-ssh-host.patch

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diff --git a/docs/content/administration/config-cheat-sheet.en-us.md b/docs/content/administration/config-cheat-sheet.en-us.md
index 16e1e8223a..54d710b3d7 100644
--- a/docs/content/administration/config-cheat-sheet.en-us.md
+++ b/docs/content/administration/config-cheat-sheet.en-us.md
@@ -327,7 +327,7 @@ The following configuration set `Content-Type: application/vnd.android.package-a
- `SSH_USER`: **%(BUILTIN_SSH_SERVER_USER)s**: SSH username displayed in clone URLs. This is only for people who configure the SSH server themselves; in most cases, you want to leave this blank and modify the `BUILTIN_SSH_SERVER_USER`.
- `SSH_DOMAIN`: **%(DOMAIN)s**: Domain name of this server, used for displayed clone URL.
- `SSH_PORT`: **22**: SSH port displayed in clone URL.
-- `SSH_LISTEN_HOST`: **0.0.0.0**: Listen address for the built-in SSH server.
+- `SSH_LISTEN_HOST`: **0.0.0.0**: Listen address(es) for the built-in SSH server; multiple addresses can be separated by comma, addresses can include a port statement to override SSH_LISTEN_PORT.
- `SSH_LISTEN_PORT`: **%(SSH\_PORT)s**: Port for the built-in SSH server.
- `SSH_ROOT_PATH`: **~/.ssh**: Root path of SSH directory.
- `SSH_CREATE_AUTHORIZED_KEYS_FILE`: **true**: Gitea will create a authorized_keys file by default when it is not using the internal ssh server. If you intend to use the AuthorizedKeysCommand functionality then you should turn this off.
diff --git a/modules/graceful/manager.go b/modules/graceful/manager.go
index 068de21076..1e1a8239e8 100644
--- a/modules/graceful/manager.go
+++ b/modules/graceful/manager.go
@@ -272,6 +272,12 @@ func (g *Manager) InformCleanup() {
g.createServerWaitGroup.Done()
}
+// Should we need to create multile listener for one type (e.g. SSH built-in server),
+// the number of expected routines needs to be increased accordingly.
+func (g *Manager) IncreaseListenerCountBy(extraNumberOfServersToCreate int) {
+ g.createServerWaitGroup.Add(extraNumberOfServersToCreate)
+}
+
// Done allows the manager to be viewed as a context.Context, it returns a channel that is closed when the server is finished terminating
func (g *Manager) Done() <-chan struct{} {
return g.managerCtx.Done()
diff --git a/modules/setting/ssh.go b/modules/setting/ssh.go
index a5a9da0b36..e73aa0115a 100644
--- a/modules/setting/ssh.go
+++ b/modules/setting/ssh.go
@@ -25,7 +25,7 @@ var SSH = struct {
Domain string `ini:"SSH_DOMAIN"`
Port int `ini:"SSH_PORT"`
User string `ini:"SSH_USER"`
- ListenHost string `ini:"SSH_LISTEN_HOST"`
+ ListenHost []string `ini:"SSH_LISTEN_HOST"`
ListenPort int `ini:"SSH_LISTEN_PORT"`
RootPath string `ini:"SSH_ROOT_PATH"`
ServerCiphers []string `ini:"SSH_SERVER_CIPHERS"`
@@ -54,6 +54,7 @@ var SSH = struct {
Disabled: false,
StartBuiltinServer: false,
Domain: "",
+ ListenHost: []string{"0.0.0.0"},
Port: 22,
ServerCiphers: []string{"chacha20-poly1305@openssh.com", "aes128-ctr", "aes192-ctr", "aes256-ctr", "aes128-gcm@openssh.com", "aes256-gcm@openssh.com"},
ServerKeyExchanges: []string{"curve25519-sha256", "ecdh-sha2-nistp256", "ecdh-sha2-nistp384", "ecdh-sha2-nistp521", "diffie-hellman-group14-sha256", "diffie-hellman-group14-sha1"},
diff --git a/modules/ssh/init.go b/modules/ssh/init.go
index 21d4f89936..3800762632 100644
--- a/modules/ssh/init.go
+++ b/modules/ssh/init.go
@@ -11,6 +11,7 @@ import (
"strconv"
"strings"
+ "code.gitea.io/gitea/modules/graceful"
"code.gitea.io/gitea/modules/log"
"code.gitea.io/gitea/modules/setting"
)
@@ -22,12 +23,23 @@ func Init() error {
}
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,
- )
+ if len(setting.SSH.ListenHost) > 1 {
+ graceful.GetManager().IncreaseListenerCountBy(len(setting.SSH.ListenHost) - 1)
+ }
+ for _, listenHost := range setting.SSH.ListenHost {
+ var addr string
+ if _, _, err := net.SplitHostPort(listenHost); err == nil {
+ addr = listenHost
+ } else {
+ addr = net.JoinHostPort(listenHost, strconv.Itoa(setting.SSH.ListenPort))
+ }
+ Listen(addr, 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)",
+ addr, setting.SSH.ServerCiphers, setting.SSH.ServerKeyExchanges, setting.SSH.ServerMACs,
+ )
+ }
return nil
+
}
builtinUnused()
diff --git a/modules/ssh/ssh.go b/modules/ssh/ssh.go
index a5af5c129b..ab2021cfbd 100644
--- a/modules/ssh/ssh.go
+++ b/modules/ssh/ssh.go
@@ -18,7 +18,6 @@ import (
"os/exec"
"path/filepath"
"reflect"
- "strconv"
"strings"
"sync"
"syscall"
@@ -279,10 +278,10 @@ func sshConnectionFailed(conn net.Conn, err error) {
log.Warn("Failed authentication attempt from %s", conn.RemoteAddr())
}
-// Listen starts a SSH server listens on given port.
-func Listen(host string, port int, ciphers, keyExchanges, macs []string) {
+// Listen starts a SSH server listens on given addr (host, port combination).
+func Listen(addr string, ciphers, keyExchanges, macs []string) {
srv := ssh.Server{
- Addr: net.JoinHostPort(host, strconv.Itoa(port)),
+ Addr: addr,
PublicKeyHandler: publicKeyHandler,
Handler: sessionHandler,
ServerConfigCallback: func(ctx ssh.Context) *gossh.ServerConfig {
diff --git a/tests/integration/git_helper_for_declarative_test.go b/tests/integration/git_helper_for_declarative_test.go
index 1e99783096..a099d414c6 100644
--- a/tests/integration/git_helper_for_declarative_test.go
+++ b/tests/integration/git_helper_for_declarative_test.go
@@ -52,7 +52,7 @@ func createSSHUrl(gitPath string, u *url.URL) *url.URL {
u2 := *u
u2.Scheme = "ssh"
u2.User = url.User("git")
- u2.Host = net.JoinHostPort(setting.SSH.ListenHost, strconv.Itoa(setting.SSH.ListenPort))
+ u2.Host = net.JoinHostPort(setting.SSH.ListenHost[0], strconv.Itoa(setting.SSH.ListenPort))
u2.Path = gitPath
return &u2
}
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