daemon: Remove even more session bus code

Supporting the session bus was a nice idea but we don't
have any tests for this anymore, and carrying it is
nontrivial overhead.  It used to only kind of work because
ostree ran well as non-root, but rpm-ostreed really requires
root nowadays.
This commit is contained in:
Colin Walters 2021-05-25 13:11:44 -04:00
parent 6d57532814
commit 4eb55ea6a6
24 changed files with 95 additions and 301 deletions

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@ -220,7 +220,6 @@ rpmostree_option_context_parse (GOptionContext *context,
const char *const* *out_install_pkgs,
const char *const* *out_uninstall_pkgs,
RPMOSTreeSysroot **out_sysroot_proxy,
GBusType *out_bus_type,
GError **error)
{
/* with --version there's no command, don't require a daemon for it */
@ -302,11 +301,8 @@ rpmostree_option_context_parse (GOptionContext *context,
/* ignore errors; we print out a warning if we fail to spawn pkttyagent */
(void)rpmostree_polkit_agent_open ();
if (!rpmostree_load_sysroot (opt_sysroot,
opt_force_peer,
cancellable,
if (!rpmostree_load_sysroot (opt_sysroot, cancellable,
out_sysroot_proxy,
out_bus_type,
error))
return FALSE;
}
@ -393,7 +389,7 @@ rpmostree_handle_subcommand (int argc, char **argv,
&argc, &argv,
invocation,
cancellable,
NULL, NULL, NULL, NULL, NULL);
NULL, NULL, NULL, NULL);
if (subcommand_name == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
@ -508,7 +504,7 @@ rpmostree_main_inner (const rust::Slice<const rust::Str> args)
/* This will not return for some options (e.g. --version). */
(void) rpmostree_option_context_parse (context, NULL, &argc, &argv,
NULL, NULL, NULL, NULL, NULL,
NULL, NULL);
NULL);
g_autofree char *help = g_option_context_get_help (context, FALSE, NULL);
g_printerr ("%s", help);
if (command_name == NULL)

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@ -73,7 +73,6 @@ rpmostree_builtin_cancel (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

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@ -65,7 +65,6 @@ rpmostree_builtin_cleanup (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

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@ -61,7 +61,7 @@ rpmostree_db_option_context_parse (GOptionContext *context,
argc, argv,
invocation,
cancellable,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL,
error))
return FALSE;

View File

@ -78,7 +78,6 @@ rpmostree_builtin_deploy (int argc,
context = g_option_context_new ("REVISION");
GBusType bus_type;
if (!rpmostree_option_context_parse (context,
option_entries,
&argc, &argv,
@ -87,7 +86,6 @@ rpmostree_builtin_deploy (int argc,
&install_pkgs,
&uninstall_pkgs,
&sysroot_proxy,
&bus_type,
error))
return FALSE;
@ -133,7 +131,7 @@ rpmostree_builtin_deploy (int argc,
{
if (!opt_bypass_driver)
{
if (!error_if_driver_registered (bus_type, sysroot_proxy, cancellable, error))
if (!error_if_driver_registered (sysroot_proxy, cancellable, error))
return FALSE;
}

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@ -48,7 +48,7 @@ rpmostree_builtin_finalize_deployment (int argc,
glnx_unref_object RPMOSTreeSysroot *sysroot_proxy = NULL;
if (!rpmostree_option_context_parse (context, option_entries, &argc, &argv,
invocation, cancellable, NULL, NULL,
&sysroot_proxy, NULL, error))
&sysroot_proxy, error))
return FALSE;
const char *checksum = NULL;

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@ -68,7 +68,6 @@ rpmostree_ex_builtin_initramfs_etc (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

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@ -63,7 +63,6 @@ rpmostree_builtin_initramfs (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

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@ -181,7 +181,6 @@ rpmostree_builtin_kargs (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

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@ -83,7 +83,6 @@ rpmostree_builtin_rebase (int argc,
const char *const *install_pkgs = NULL;
const char *const *uninstall_pkgs = NULL;
GBusType bus_type;
if (!rpmostree_option_context_parse (context,
option_entries,
&argc, &argv,
@ -92,7 +91,6 @@ rpmostree_builtin_rebase (int argc,
&install_pkgs,
&uninstall_pkgs,
&sysroot_proxy,
&bus_type,
error))
return FALSE;
@ -103,7 +101,7 @@ rpmostree_builtin_rebase (int argc,
}
if (!opt_bypass_driver)
if (!error_if_driver_registered (bus_type, sysroot_proxy, cancellable, error))
if (!error_if_driver_registered (sysroot_proxy, cancellable, error))
return FALSE;
if (!rpmostree_load_os_proxy (sysroot_proxy, opt_osname,

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@ -65,7 +65,6 @@ rpmostree_builtin_refresh_md (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

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@ -50,7 +50,6 @@ rpmostree_builtin_reload (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

View File

@ -68,7 +68,6 @@ rpmostree_builtin_reset (int argc,
&install_pkgs,
&uninstall_pkgs,
&sysroot_proxy,
NULL,
error))
return FALSE;

View File

@ -66,7 +66,6 @@ rpmostree_builtin_rollback (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

View File

@ -46,12 +46,10 @@ typedef enum {
static AppState appstate = APPSTATE_STARTING;
static gboolean opt_debug = FALSE;
static char *opt_sysroot = NULL;
static gint service_dbus_fd = -1;
static GOptionEntry opt_entries[] =
{
{ "debug", 'd', 0, G_OPTION_ARG_NONE, &opt_debug, "Print debug information on stderr", NULL },
{ "sysroot", 0, 0, G_OPTION_ARG_STRING, &opt_sysroot, "Use system root SYSROOT (default: /)", "SYSROOT" },
{ "dbus-peer", 0, 0, G_OPTION_ARG_INT, &service_dbus_fd, "Use a peer to peer dbus connection on this fd", "FD" },
{ NULL }
};
@ -67,13 +65,6 @@ state_transition (AppState state)
g_main_context_wakeup (NULL);
}
static void
state_transition_fatal_err (GError *error)
{
sd_journal_print (LOG_ERR, "%s", error->message);
state_transition (APPSTATE_FLUSHING);
}
static gboolean
start_daemon (GDBusConnection *connection,
GError **error)
@ -99,26 +90,6 @@ on_bus_name_released (GDBusConnection *connection,
state_transition (APPSTATE_EXITING);
}
static void
on_peer_acquired (GObject *source,
GAsyncResult *result,
gpointer user_data)
{
g_autoptr(GError) error = NULL;
g_autoptr(GDBusConnection) connection = g_dbus_connection_new_finish (result, &error);
if (!connection)
{
state_transition_fatal_err (error);
return;
}
if (!start_daemon (connection, &error))
{
state_transition_fatal_err (error);
return;
}
}
static gboolean
on_sigint (gpointer user_data)
{
@ -254,29 +225,6 @@ on_log_handler (const gchar *log_domain,
sd_journal_print (priority, "%s", message);
}
static gboolean
connect_to_peer (int fd, GError **error)
{
g_autoptr(GSocketConnection) stream = NULL;
g_autoptr(GSocket) socket = NULL;
g_autofree gchar *guid = NULL;
socket = g_socket_new_from_fd (fd, error);
if (!socket)
return FALSE;
stream = g_socket_connection_factory_create_connection (socket);
g_assert_nonnull (stream);
guid = g_dbus_generate_guid ();
g_dbus_connection_new (G_IO_STREAM (stream), guid,
(GDBusConnectionFlags)(G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_SERVER |
G_DBUS_CONNECTION_FLAGS_DELAY_MESSAGE_PROCESSING),
NULL, NULL, on_peer_acquired, NULL);
return TRUE;
}
gboolean
rpmostree_builtin_start_daemon (int argc,
char **argv,
@ -309,28 +257,12 @@ rpmostree_builtin_start_daemon (int argc,
g_unix_signal_add (SIGINT, on_sigint, NULL);
g_unix_signal_add (SIGTERM, on_sigint, NULL);
g_autoptr(GDBusConnection) bus = NULL;
if (service_dbus_fd == -1)
{
GBusType bus_type;
/* To facilitate testing, use whichever message bus activated
* this process. If the process was started directly, assume
* the system bus. */
if (g_getenv ("DBUS_STARTER_BUS_TYPE") != NULL)
bus_type = G_BUS_TYPE_STARTER;
else
bus_type = G_BUS_TYPE_SYSTEM;
/* Get an explicit ref to the bus so we can use it later */
bus = g_bus_get_sync (bus_type, NULL, error);
g_autoptr(GDBusConnection) bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, error);
if (!bus)
return FALSE;
if (!start_daemon (bus, error))
return FALSE;
}
else if (!connect_to_peer (service_dbus_fd, error))
return FALSE;
state_transition (APPSTATE_RUNNING);

View File

@ -341,7 +341,6 @@ get_update_driver_state (RPMOSTreeSysroot *sysroot_proxy,
static gboolean
print_daemon_state (RPMOSTreeSysroot *sysroot_proxy,
GBusType bus_type,
GCancellable *cancellable,
GError **error)
{
@ -370,8 +369,6 @@ print_daemon_state (RPMOSTreeSysroot *sysroot_proxy,
g_print ("AutomaticUpdatesDriver: %s\n", update_driver_name);
/* only try to get unit's StatusText if we're on the system bus */
if (bus_type == G_BUS_TYPE_SYSTEM)
{
g_autofree const char *update_driver_state = NULL;
g_autoptr(GError) local_error = NULL;
if (!get_update_driver_state (sysroot_proxy, update_driver_sd_unit,
@ -380,7 +377,6 @@ print_daemon_state (RPMOSTreeSysroot *sysroot_proxy,
else if (update_driver_state)
g_print (" DriverState: %s\n", update_driver_state);
}
}
else if (g_str_equal (policy, "none"))
{
/* https://github.com/coreos/fedora-coreos-tracker/issues/271
@ -393,21 +389,13 @@ print_daemon_state (RPMOSTreeSysroot *sysroot_proxy,
{
g_print ("AutomaticUpdates: %s", policy);
/* don't try to get info from systemd if we're not on the system bus */
if (bus_type != G_BUS_TYPE_SYSTEM)
g_print ("\n");
else
{
AutoUpdateSdState state;
g_autofree char *last_run = NULL;
g_print ("; ");
GDBusConnection *connection =
g_dbus_proxy_get_connection (G_DBUS_PROXY (sysroot_proxy));
if (!get_last_auto_update_run (connection, &state, &last_run, cancellable, error))
return FALSE;
switch (state)
{
case AUTO_UPDATE_SDSTATE_TIMER_UNKNOWN:
@ -448,7 +436,6 @@ print_daemon_state (RPMOSTreeSysroot *sysroot_proxy,
}
}
}
}
if (txn_proxy)
{
@ -1104,7 +1091,6 @@ rpmostree_builtin_status (int argc,
glnx_unref_object RPMOSTreeOS *os_proxy = NULL;
glnx_unref_object RPMOSTreeSysroot *sysroot_proxy = NULL;
GBusType bus_type;
if (!rpmostree_option_context_parse (context,
option_entries,
&argc, &argv,
@ -1112,7 +1098,6 @@ rpmostree_builtin_status (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
&bus_type,
error))
return FALSE;
@ -1187,7 +1172,7 @@ rpmostree_builtin_status (int argc,
}
else
{
if (!print_daemon_state (sysroot_proxy, bus_type, cancellable, error))
if (!print_daemon_state (sysroot_proxy, cancellable, error))
return FALSE;
gboolean printed_cached_update = FALSE;
@ -1374,7 +1359,7 @@ rpmostree_ex_builtin_history (int argc,
&argc, &argv,
invocation,
cancellable,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL,
error))
return FALSE;

View File

@ -77,7 +77,6 @@ rpmostree_builtin_upgrade (int argc,
const char *const *install_pkgs = NULL;
const char *const *uninstall_pkgs = NULL;
GBusType bus_type;
if (!rpmostree_option_context_parse (context,
option_entries,
&argc, &argv,
@ -86,7 +85,6 @@ rpmostree_builtin_upgrade (int argc,
&install_pkgs,
&uninstall_pkgs,
&sysroot_proxy,
&bus_type,
error))
return FALSE;
@ -132,7 +130,7 @@ rpmostree_builtin_upgrade (int argc,
}
if (!opt_bypass_driver)
if (!error_if_driver_registered (bus_type, sysroot_proxy, cancellable, error))
if (!error_if_driver_registered (sysroot_proxy, cancellable, error))
return FALSE;
g_autoptr(GVariant) previous_deployment = rpmostree_os_dup_default_deployment (os_proxy);

View File

@ -50,7 +50,6 @@ rpmostree_builtin_usroverlay (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;

View File

@ -72,7 +72,6 @@ rpmostree_option_context_parse (GOptionContext *context,
const char *const* *out_install_pkgs,
const char *const* *out_uninstall_pkgs,
RPMOSTreeSysroot **out_sysroot_proxy,
GBusType *out_bus_type,
GError **error);
int

View File

@ -48,78 +48,6 @@ impl_transaction_get_response_sync (GDBusConnection *connection,
#define RPMOSTREE_CLI_ID "cli"
static void
child_setup_pdeathsig (void *unused)
{
if (prctl (PR_SET_PDEATHSIG, SIGTERM) < 0)
err (EXIT_FAILURE, "prctl(PR_SET_PDEATHSIG)");
}
static GDBusConnection*
get_connection_for_path (const char *sysroot,
gboolean force_peer,
GBusType *out_bus_type,
GCancellable *cancellable,
GError **error)
{
if (sysroot == NULL)
sysroot = "/";
if (g_strcmp0 ("/", sysroot) == 0 && force_peer == FALSE)
{
/* NB: as opposed to other early returns, this is _also_ a happy path */
GDBusConnection *ret = g_bus_get_sync (G_BUS_TYPE_SYSTEM, cancellable, error);
if (!ret)
return (GDBusConnection*)(glnx_prefix_error_null (error, "Connecting to system bus"));
*out_bus_type = G_BUS_TYPE_SYSTEM;
return ret;
}
gchar buffer[16];
int pair[2];
const gchar *args[] = {
"rpm-ostree",
"start-daemon",
"--sysroot", sysroot,
"--dbus-peer", buffer,
NULL
};
g_print ("Running in single user mode. Be sure no other users are modifying the system\n");
if (socketpair (AF_UNIX, SOCK_STREAM, 0, pair) < 0)
return (GDBusConnection*)glnx_null_throw_errno_prefix (error, "couldn't create socket pair");
g_snprintf (buffer, sizeof (buffer), "%d", pair[1]);
g_autoptr(GSocket) socket = g_socket_new_from_fd (pair[0], error);
if (socket == NULL)
{
close (pair[0]);
close (pair[1]);
return NULL;
}
if (!g_spawn_async (NULL, (gchar **)args, NULL,
static_cast<GSpawnFlags>(G_SPAWN_LEAVE_DESCRIPTORS_OPEN),
child_setup_pdeathsig, NULL, NULL, error))
{
close (pair[1]);
return NULL;
}
g_autoptr(GSocketConnection) stream =
g_socket_connection_factory_create_connection (socket);
g_autoptr(GDBusConnection) connection =
g_dbus_connection_new_sync (G_IO_STREAM (stream), NULL,
G_DBUS_CONNECTION_FLAGS_AUTHENTICATION_CLIENT,
NULL, cancellable, error);
if (!connection)
return NULL;
*out_bus_type = G_BUS_TYPE_NONE;
return connection;
}
/* Used to close race conditions by ensuring the daemon status is up-to-date */
static void
on_reload_done (GObject *src,
@ -147,19 +75,16 @@ await_reload_sync (RPMOSTreeSysroot *sysroot_proxy)
* is in the process of auto-exiting.
*/
static gboolean
app_load_sysroot_impl (const char *sysroot, gboolean force_peer,
app_load_sysroot_impl (const char *sysroot,
GCancellable *cancellable,
GDBusConnection **out_conn, GBusType *out_bus_type,
GDBusConnection **out_conn,
GError **error)
{
const char *bus_name = NULL;
glnx_unref_object GDBusConnection *connection = NULL;
GBusType bus_type;
connection = get_connection_for_path (sysroot, force_peer, &bus_type,
cancellable, error);
if (connection == NULL)
return FALSE;
g_autoptr(GDBusConnection) connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, cancellable, error);
if (!connection)
return glnx_prefix_error (error, "Connecting to system bus");
if (g_dbus_connection_get_unique_name (connection) != NULL)
bus_name = BUS_NAME;
@ -222,8 +147,6 @@ app_load_sysroot_impl (const char *sysroot, gboolean force_peer,
}
*out_conn = util::move_nullify(connection);
if (out_bus_type)
*out_bus_type = bus_type;
return TRUE;
}
@ -234,11 +157,10 @@ new_client_connection()
{
g_autoptr(GError) local_error = NULL;
GDBusConnection *conn = NULL;
GBusType bus_type;
if (!app_load_sysroot_impl(NULL, false, NULL, &conn, &bus_type, &local_error))
if (!app_load_sysroot_impl("/", NULL, &conn, &local_error))
util::throw_gerror(local_error);
return std::make_unique<ClientConnection>(conn, bus_type);
return std::make_unique<ClientConnection>(conn);
}
// Connect to a transaction DBus and monitor its progress synchronously,
@ -263,8 +185,6 @@ ClientConnection::transaction_connect_progress_sync(const rust::Str address) con
/**
* rpmostree_load_sysroot
* @sysroot: sysroot path
* @force_peer: Force a peer connection
* @cancellable: A GCancellable
* @out_sysroot: (out) Return location for sysroot
* @error: A pointer to a GError pointer.
@ -272,17 +192,14 @@ ClientConnection::transaction_connect_progress_sync(const rust::Str address) con
* Returns: True on success
**/
gboolean
rpmostree_load_sysroot (gchar *sysroot,
gboolean force_peer,
rpmostree_load_sysroot (const char *sysroot,
GCancellable *cancellable,
RPMOSTreeSysroot **out_sysroot_proxy,
GBusType *out_bus_type,
GError **error)
{
g_autoptr(GDBusConnection) connection = NULL;
GBusType bus_type;
if (!app_load_sysroot_impl (sysroot, force_peer, cancellable, &connection, &bus_type, error))
if (!app_load_sysroot_impl (sysroot, cancellable, &connection, error))
return FALSE;
const char *bus_name;
@ -300,8 +217,6 @@ rpmostree_load_sysroot (gchar *sysroot,
await_reload_sync (sysroot_proxy);
*out_sysroot_proxy = util::move_nullify (sysroot_proxy);
if (out_bus_type)
*out_bus_type = bus_type;
return TRUE;
}
@ -1712,8 +1627,7 @@ check_sd_unit_contains_pid (char *sd_unit,
/* Throw an error if an updates driver is registered and active. */
gboolean
error_if_driver_registered (GBusType bus_type,
RPMOSTreeSysroot *sysroot_proxy,
error_if_driver_registered (RPMOSTreeSysroot *sysroot_proxy,
GCancellable *cancellable,
GError **error)
{
@ -1744,8 +1658,6 @@ error_if_driver_registered (GBusType bus_type,
update_driver_name, update_driver_sd_unit);
g_string_append_printf (error_msg, "See %s's documentation", update_driver_name);
// Only try to get unit's `Documentation` and check unit's state if we're on the system bus.
if (bus_type == G_BUS_TYPE_SYSTEM)
{
gboolean sd_unit_is_active = TRUE;
if (!check_sd_unit_state_is_active (update_driver_sd_unit, &sd_unit_is_active,
connection, cancellable, error))
@ -1754,7 +1666,6 @@ error_if_driver_registered (GBusType bus_type,
if (!sd_unit_is_active)
return TRUE;
append_docs_to_str (error_msg, connection, update_driver_sd_unit, cancellable);
}
g_string_append_printf (error_msg,
"Use --bypass-driver to bypass %s and perform the operation anyways",
update_driver_name);

View File

@ -37,9 +37,8 @@ namespace rpmostreecxx {
class ClientConnection final {
private:
GDBusConnection *conn;
GBusType bus_type;
public:
ClientConnection(GDBusConnection *connp, GBusType bus_typep) : conn(connp), bus_type(bus_typep) {}
ClientConnection(GDBusConnection *connp) : conn(connp) {}
~ClientConnection() {
g_clear_object(&conn);
}
@ -48,10 +47,6 @@ public:
return *conn;
}
GBusType get_bus_type() const {
return bus_type;
}
void transaction_connect_progress_sync(const rust::Str address) const;
};
@ -66,11 +61,9 @@ G_BEGIN_DECLS
#define BUS_NAME "org.projectatomic.rpmostree1"
gboolean
rpmostree_load_sysroot (gchar *sysroot,
gboolean force_peer,
rpmostree_load_sysroot (const char *sysroot,
GCancellable *cancellable,
RPMOSTreeSysroot **out_sysroot_proxy,
GBusType *out_bus_type,
GError **error);
gboolean
@ -171,8 +164,7 @@ get_sd_unit_objpath (GDBusConnection *connection,
GError **error);
gboolean
error_if_driver_registered (GBusType bus_type,
RPMOSTreeSysroot *sysroot_proxy,
error_if_driver_registered (RPMOSTreeSysroot *sysroot_proxy,
GCancellable *cancellable,
GError **error);

View File

@ -1201,7 +1201,7 @@ rpmostree_compose_builtin_install (int argc,
&argc, &argv,
invocation,
cancellable,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL,
error))
return FALSE;
@ -1268,7 +1268,7 @@ rpmostree_compose_builtin_postprocess (int argc,
&argc, &argv,
invocation,
cancellable,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL,
error))
return FALSE;
@ -1331,7 +1331,7 @@ rpmostree_compose_builtin_commit (int argc,
&argc, &argv,
invocation,
cancellable,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL,
error))
return FALSE;
@ -1377,7 +1377,7 @@ rpmostree_compose_builtin_tree (int argc,
&argc, &argv,
invocation,
cancellable,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL,
error))
return FALSE;
@ -1441,7 +1441,7 @@ rpmostree_compose_builtin_extensions (int argc,
&argc, &argv,
invocation,
cancellable,
NULL, NULL, NULL, NULL,
NULL, NULL, NULL,
error))
return FALSE;

View File

@ -156,7 +156,6 @@ rpmostree_override_builtin_replace (int argc, char **argv,
&install_pkgs,
&uninstall_pkgs,
&sysroot_proxy,
NULL,
error))
return FALSE;
@ -198,7 +197,6 @@ rpmostree_override_builtin_remove (int argc, char **argv,
&install_pkgs,
&uninstall_pkgs,
&sysroot_proxy,
NULL,
error))
return FALSE;
@ -240,7 +238,6 @@ rpmostree_override_builtin_reset (int argc, char **argv,
&install_pkgs,
&uninstall_pkgs,
&sysroot_proxy,
NULL,
error))
return FALSE;

View File

@ -169,7 +169,6 @@ rpmostree_builtin_install (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;
@ -220,7 +219,6 @@ rpmostree_builtin_uninstall (int argc,
cancellable,
NULL, NULL,
&sysroot_proxy,
NULL,
error))
return FALSE;