[client] Gate remote jobs behind an admin opt-in with MDM support

Remote jobs (debug bundles requested by the management server) run on the
peer with no local consent. This makes them an explicit opt-in, mirroring
the SSH-server opt-in: an --allow-remote-jobs flag persisted in the client
config, defaulting off. Enabling it off->on crosses the user-to-root
boundary and is refused for unprivileged IPC callers by the daemon gate,
the same way enabling the SSH server is. When disabled, the job-stream
handler refuses every job before doing any work.

Because the flag is admin-controlled, it is also MDM-managed: the
allowRemoteJobs policy key can enable or lock it, and a user SetConfig that
diverges from an enforced value is rejected like the other managed fields.

A second MDM key, debugBundleUploadURL, overrides the debug-bundle upload
service for remote jobs, taking precedence over the management-supplied
value (MDM > management > default). This lets an operator pin uploads to a
trusted host regardless of what management requests. The override is
validated as an https URL with a host, the same as the management value.

Defaulting the opt-in off is a behavior change: existing deployments that
rely on management-triggered debug bundles must opt in (flag or MDM) before
they work again.

client/server/mdm.go

@@ -297,6 +297,7 @@ func mdmManagedFieldConflicts(msg *proto.SetConfigRequest, policy *mdm.Policy) [
 		conflictBool(mdm.KeyRosenpassPermissive, msg.RosenpassPermissive),
 		conflictBool(mdm.KeyDisableAutoConnect, msg.DisableAutoConnect),
 		conflictBool(mdm.KeyAllowServerSSH, msg.ServerSSHAllowed),
+		conflictBool(mdm.KeyRemoteJobsAllowed, msg.RemoteJobsAllowed),
 		conflictBool(mdm.KeyDisableClientRoutes, msg.DisableClientRoutes),
 		conflictBool(mdm.KeyDisableServerRoutes, msg.DisableServerRoutes),
 		conflictBool(mdm.KeyBlockInbound, msg.BlockInbound),
@@ -418,6 +419,7 @@ func loginRequestMDMConflicts(msg *proto.LoginRequest, policy *mdm.Policy) []str
 		conflictBool(mdm.KeyRosenpassPermissive, msg.RosenpassPermissive),
 		conflictBool(mdm.KeyDisableAutoConnect, msg.DisableAutoConnect),
 		conflictBool(mdm.KeyAllowServerSSH, msg.ServerSSHAllowed),
+		conflictBool(mdm.KeyRemoteJobsAllowed, msg.RemoteJobsAllowed),
 		conflictBool(mdm.KeyDisableClientRoutes, msg.DisableClientRoutes),
 		conflictBool(mdm.KeyDisableServerRoutes, msg.DisableServerRoutes),
 		conflictBool(mdm.KeyBlockInbound, msg.BlockInbound),

client/server/server.go

@@ -35,6 +35,7 @@ import (
 	"github.com/netbirdio/netbird/client/internal/statemanager"
 	"github.com/netbirdio/netbird/client/internal/updater"
 	"github.com/netbirdio/netbird/client/proto"
+	"github.com/netbirdio/netbird/util"
 	"github.com/netbirdio/netbird/util/capture"
 	"github.com/netbirdio/netbird/version"
 )
@@ -553,6 +554,7 @@ func (s *Server) setConfigInputFromRequest(msg *proto.SetConfigRequest) (profile
 	config.RosenpassPermissive = msg.RosenpassPermissive
 	config.DisableAutoConnect = msg.DisableAutoConnect
 	config.ServerSSHAllowed = msg.ServerSSHAllowed
+	config.RemoteJobsAllowed = msg.RemoteJobsAllowed
 	config.NetworkMonitor = msg.NetworkMonitor
 	config.DisableClientRoutes = msg.DisableClientRoutes
 	config.DisableServerRoutes = msg.DisableServerRoutes
@@ -2107,6 +2109,7 @@ func (s *Server) GetConfig(ctx context.Context, req *proto.GetConfigRequest) (*p
 		Mtu:                           int64(cfg.MTU),
 		DisableAutoConnect:            cfg.DisableAutoConnect,
 		ServerSSHAllowed:              *cfg.ServerSSHAllowed,
+		RemoteJobsAllowed:             util.ReturnBoolWithDefaultFalse(cfg.RemoteJobsAllowed),
 		RosenpassEnabled:              cfg.RosenpassEnabled,
 		RosenpassPermissive:           cfg.RosenpassPermissive,
 		BlockInbound:                  cfg.BlockInbound,

client/server/setconfig_test.go

@@ -61,6 +61,7 @@ func TestSetConfig_AllFieldsSaved(t *testing.T) {
 	rosenpassEnabled := true
 	rosenpassPermissive := true
 	serverSSHAllowed := true
+	remoteJobsAllowed := true
 	interfaceName := "utun100"
 	wireguardPort := int64(51820)
 	preSharedKey := "test-psk"
@@ -85,6 +86,7 @@ func TestSetConfig_AllFieldsSaved(t *testing.T) {
 		RosenpassEnabled:     &rosenpassEnabled,
 		RosenpassPermissive:  &rosenpassPermissive,
 		ServerSSHAllowed:     &serverSSHAllowed,
+		RemoteJobsAllowed:    &remoteJobsAllowed,
 		InterfaceName:        &interfaceName,
 		WireguardPort:        &wireguardPort,
 		OptionalPreSharedKey: &preSharedKey,
@@ -128,6 +130,8 @@ func TestSetConfig_AllFieldsSaved(t *testing.T) {
 	require.Equal(t, rosenpassPermissive, cfg.RosenpassPermissive)
 	require.NotNil(t, cfg.ServerSSHAllowed)
 	require.Equal(t, serverSSHAllowed, *cfg.ServerSSHAllowed)
+	require.NotNil(t, cfg.RemoteJobsAllowed)
+	require.Equal(t, remoteJobsAllowed, *cfg.RemoteJobsAllowed)
 	require.Equal(t, interfaceName, cfg.WgIface)
 	require.Equal(t, int(wireguardPort), cfg.WgPort)
 	require.Equal(t, preSharedKey, cfg.PreSharedKey)
@@ -180,6 +184,7 @@ func verifyAllFieldsCovered(t *testing.T, req *proto.SetConfigRequest) {
 		"RosenpassEnabled":              true,
 		"RosenpassPermissive":           true,
 		"ServerSSHAllowed":              true,
+		"RemoteJobsAllowed":             true,
 		"InterfaceName":                 true,
 		"WireguardPort":                 true,
 		"OptionalPreSharedKey":          true,
@@ -240,6 +245,7 @@ func TestCLIFlags_MappedToSetConfig(t *testing.T) {
 		"enable-rosenpass":                  "RosenpassEnabled",
 		"rosenpass-permissive":              "RosenpassPermissive",
 		"allow-server-ssh":                  "ServerSSHAllowed",
+		"allow-remote-jobs":                 "RemoteJobsAllowed",
 		"interface-name":                    "InterfaceName",
 		"wireguard-port":                    "WireguardPort",
 		"preshared-key":                     "OptionalPreSharedKey",

client/server/ssh_gate.go

@@ -39,27 +39,30 @@ import (
 // user-to-root boundary. Fields are nil or empty when the request leaves them
 // untouched.
 type privilegedConfigChange struct {
-	managementURL    string
-	serverSSHAllowed *bool
-	enableSSHRoot    *bool
-	disableSSHAuth   *bool
+	managementURL     string
+	serverSSHAllowed  *bool
+	remoteJobsAllowed *bool
+	enableSSHRoot     *bool
+	disableSSHAuth    *bool
 }
 
 func privilegedChangeFromSetConfig(msg *proto.SetConfigRequest) privilegedConfigChange {
 	return privilegedConfigChange{
-		managementURL:    msg.GetManagementUrl(),
-		serverSSHAllowed: msg.ServerSSHAllowed,
-		enableSSHRoot:    msg.EnableSSHRoot,
-		disableSSHAuth:   msg.DisableSSHAuth,
+		managementURL:     msg.GetManagementUrl(),
+		serverSSHAllowed:  msg.ServerSSHAllowed,
+		remoteJobsAllowed: msg.RemoteJobsAllowed,
+		enableSSHRoot:     msg.EnableSSHRoot,
+		disableSSHAuth:    msg.DisableSSHAuth,
 	}
 }
 
 func privilegedChangeFromLogin(msg *proto.LoginRequest) privilegedConfigChange {
 	return privilegedConfigChange{
-		managementURL:    msg.GetManagementUrl(),
-		serverSSHAllowed: msg.ServerSSHAllowed,
-		enableSSHRoot:    msg.EnableSSHRoot,
-		disableSSHAuth:   msg.DisableSSHAuth,
+		managementURL:     msg.GetManagementUrl(),
+		serverSSHAllowed:  msg.ServerSSHAllowed,
+		remoteJobsAllowed: msg.RemoteJobsAllowed,
+		enableSSHRoot:     msg.EnableSSHRoot,
+		disableSSHAuth:    msg.DisableSSHAuth,
 	}
 }
 
@@ -83,6 +86,15 @@ func requirePrivilegeForConfigChange(ctx context.Context, stored *profilemanager
 		return denyPrivileged(ctx, "enabling the NetBird SSH server", ipcauth.UpCommand("--allow-server-ssh"))
 	}
 
+	// Enabling remote jobs lets the management server run jobs (e.g. debug
+	// bundles) on this host, so turning it on crosses the user-to-root
+	// boundary the same way enabling the SSH server does. The stored value
+	// defaults to off (nil = off), so a legacy config is correctly seen as
+	// off and turning it on requires privilege.
+	if enables(storedFlag(stored, func(c *profilemanager.Config) *bool { return c.RemoteJobsAllowed }), change.remoteJobsAllowed) {
+		return denyPrivileged(ctx, "enabling remote jobs", ipcauth.UpCommand("--allow-remote-jobs"))
+	}
+
 	// Only guard the management binding while the SSH server is enabled: that is
 	// when the management identity decides who may open a shell here.
 	if !sshServerEnabled(stored) {

client/server/ssh_gate_test.go

@@ -171,6 +171,34 @@ func TestRequirePrivilegeForConfigChange_SSHFlags(t *testing.T) {
 			stored: &profilemanager.Config{DisableSSHAuth: boolPtr(true)},
 			change: privilegedConfigChange{disableSSHAuth: boolPtr(false)},
 		},
+		{
+			name:     "enabling remote jobs unprivileged is refused",
+			stored:   &profilemanager.Config{RemoteJobsAllowed: boolPtr(false)},
+			change:   privilegedConfigChange{remoteJobsAllowed: boolPtr(true)},
+			wantDeny: true,
+		},
+		{
+			name:       "enabling remote jobs as root is allowed",
+			stored:     &profilemanager.Config{RemoteJobsAllowed: boolPtr(false)},
+			change:     privilegedConfigChange{remoteJobsAllowed: boolPtr(true)},
+			privileged: true,
+		},
+		{
+			name:     "a profile with no config yet counts as off, so enabling remote jobs is refused",
+			stored:   nil,
+			change:   privilegedConfigChange{remoteJobsAllowed: boolPtr(true)},
+			wantDeny: true,
+		},
+		{
+			name:   "restating already-enabled remote jobs is not a change",
+			stored: &profilemanager.Config{RemoteJobsAllowed: boolPtr(true)},
+			change: privilegedConfigChange{remoteJobsAllowed: boolPtr(true)},
+		},
+		{
+			name:   "turning remote jobs off is not guarded",
+			stored: &profilemanager.Config{RemoteJobsAllowed: boolPtr(true)},
+			change: privilegedConfigChange{remoteJobsAllowed: boolPtr(false)},
+		},
 		{
 			name:   "a request that touches none of the guarded fields is allowed",
 			stored: &profilemanager.Config{ServerSSHAllowed: boolPtr(false)},