X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcore%2Fdbus-service.c;h=5a881e8249c63ca8589d9523880ff067e372951b;hb=fddf1a3189aa6e2ea641e0a9f995344c14e8d1e0;hp=8b157b5f3cfac7e6215f8e6cac6f3dd90010c290;hpb=b9ec9359369f224bfb13db616f97401a6a177bd8;p=elogind.git
diff --git a/src/core/dbus-service.c b/src/core/dbus-service.c
index 8b157b5f3..5a881e824 100644
--- a/src/core/dbus-service.c
+++ b/src/core/dbus-service.c
@@ -19,200 +19,135 @@
along with systemd; If not, see .
***/
-#include
-
#include "strv.h"
#include "path-util.h"
+#include "unit.h"
+#include "service.h"
#include "dbus-unit.h"
#include "dbus-execute.h"
#include "dbus-kill.h"
#include "dbus-cgroup.h"
-#include "dbus-common.h"
-#include "selinux-access.h"
#include "dbus-service.h"
-
-#define BUS_SERVICE_INTERFACE \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- BUS_UNIT_CGROUP_INTERFACE \
- BUS_EXEC_COMMAND_INTERFACE("ExecStartPre") \
- BUS_EXEC_COMMAND_INTERFACE("ExecStart") \
- BUS_EXEC_COMMAND_INTERFACE("ExecStartPost") \
- BUS_EXEC_COMMAND_INTERFACE("ExecReload") \
- BUS_EXEC_COMMAND_INTERFACE("ExecStop") \
- BUS_EXEC_COMMAND_INTERFACE("ExecStopPost") \
- BUS_EXEC_CONTEXT_INTERFACE \
- BUS_KILL_CONTEXT_INTERFACE \
- BUS_CGROUP_CONTEXT_INTERFACE \
- " \n" \
- " \n" \
- " \n" \
- BUS_EXEC_STATUS_INTERFACE("ExecMain") \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n" \
- " \n"
-
-#define INTROSPECTION \
- DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \
- "\n" \
- BUS_UNIT_INTERFACE \
- BUS_SERVICE_INTERFACE \
- BUS_PROPERTIES_INTERFACE \
- BUS_PEER_INTERFACE \
- BUS_INTROSPECTABLE_INTERFACE \
- "\n"
-
-#define INTERFACES_LIST \
- BUS_UNIT_INTERFACES_LIST \
- "org.freedesktop.systemd1.Service\0"
-
-const char bus_service_interface[] _introspect_("Service") = BUS_SERVICE_INTERFACE;
-
-const char bus_service_invalidating_properties[] =
- "ExecStartPre\0"
- "ExecStart\0"
- "ExecStartPost\0"
- "ExecReload\0"
- "ExecStop\0"
- "ExecStopPost\0"
- "ExecMain\0"
- "WatchdogTimestamp\0"
- "WatchdogTimestampMonotonic\0"
- "MainPID\0"
- "ControlPID\0"
- "StatusText\0"
- "Result\0";
-
-static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_type, service_type, ServiceType);
-static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_restart, service_restart, ServiceRestart);
-static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_notify_access, notify_access, NotifyAccess);
-static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_service_result, service_result, ServiceResult);
-static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_service_append_start_limit_action, start_limit_action, StartLimitAction);
-static DEFINE_BUS_PROPERTY_SET_ENUM(bus_service_set_start_limit_action, start_limit_action, StartLimitAction);
-
-static const BusProperty bus_exec_main_status_properties[] = {
- { "ExecMainStartTimestamp", bus_property_append_usec, "t", offsetof(ExecStatus, start_timestamp.realtime) },
- { "ExecMainStartTimestampMonotonic",bus_property_append_usec, "t", offsetof(ExecStatus, start_timestamp.monotonic) },
- { "ExecMainExitTimestamp", bus_property_append_usec, "t", offsetof(ExecStatus, exit_timestamp.realtime) },
- { "ExecMainExitTimestampMonotonic", bus_property_append_usec, "t", offsetof(ExecStatus, exit_timestamp.monotonic) },
- { "ExecMainPID", bus_property_append_pid, "u", offsetof(ExecStatus, pid) },
- { "ExecMainCode", bus_property_append_int, "i", offsetof(ExecStatus, code) },
- { "ExecMainStatus", bus_property_append_int, "i", offsetof(ExecStatus, status) },
- {}
-};
-
-static const BusProperty bus_service_properties[] = {
- { "Type", bus_service_append_type, "s", offsetof(Service, type) },
- { "Restart", bus_service_append_restart, "s", offsetof(Service, restart) },
- { "PIDFile", bus_property_append_string, "s", offsetof(Service, pid_file), true },
- { "NotifyAccess", bus_service_append_notify_access, "s", offsetof(Service, notify_access) },
- { "RestartUSec", bus_property_append_usec, "t", offsetof(Service, restart_usec) },
- { "TimeoutStartUSec", bus_property_append_usec, "t", offsetof(Service, timeout_start_usec) },
- { "TimeoutStopUSec", bus_property_append_usec, "t", offsetof(Service, timeout_stop_usec) },
- { "WatchdogUSec", bus_property_append_usec, "t", offsetof(Service, watchdog_usec) },
- { "WatchdogTimestamp", bus_property_append_usec, "t", offsetof(Service, watchdog_timestamp.realtime) },
- { "WatchdogTimestampMonotonic",bus_property_append_usec, "t", offsetof(Service, watchdog_timestamp.monotonic) },
- { "StartLimitInterval", bus_property_append_usec, "t", offsetof(Service, start_limit.interval) },
- { "StartLimitBurst", bus_property_append_uint32, "u", offsetof(Service, start_limit.burst) },
- { "StartLimitAction", bus_service_append_start_limit_action,"s", offsetof(Service, start_limit_action), false, bus_service_set_start_limit_action},
- BUS_EXEC_COMMAND_PROPERTY("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), true ),
- BUS_EXEC_COMMAND_PROPERTY("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), true ),
- BUS_EXEC_COMMAND_PROPERTY("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), true ),
- BUS_EXEC_COMMAND_PROPERTY("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), true ),
- BUS_EXEC_COMMAND_PROPERTY("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), true ),
- BUS_EXEC_COMMAND_PROPERTY("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), true ),
- { "PermissionsStartOnly", bus_property_append_bool, "b", offsetof(Service, permissions_start_only) },
- { "RootDirectoryStartOnly", bus_property_append_bool, "b", offsetof(Service, root_directory_start_only) },
- { "RemainAfterExit", bus_property_append_bool, "b", offsetof(Service, remain_after_exit) },
- { "GuessMainPID", bus_property_append_bool, "b", offsetof(Service, guess_main_pid) },
- { "MainPID", bus_property_append_pid, "u", offsetof(Service, main_pid) },
- { "ControlPID", bus_property_append_pid, "u", offsetof(Service, control_pid) },
- { "BusName", bus_property_append_string, "s", offsetof(Service, bus_name), true },
- { "StatusText", bus_property_append_string, "s", offsetof(Service, status_text), true },
- { "Result", bus_service_append_service_result,"s", offsetof(Service, result) },
- {}
+#include "bus-util.h"
+
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_type, service_type, ServiceType);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_result, service_result, ServiceResult);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_restart, service_restart, ServiceRestart);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_notify_access, notify_access, NotifyAccess);
+static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_failure_action, failure_action, FailureAction);
+
+const sd_bus_vtable bus_service_vtable[] = {
+ SD_BUS_VTABLE_START(0),
+ SD_BUS_PROPERTY("Type", "s", property_get_type, offsetof(Service, type), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("Restart", "s", property_get_restart, offsetof(Service, restart), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("PIDFile", "s", NULL, offsetof(Service, pid_file), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("NotifyAccess", "s", property_get_notify_access, offsetof(Service, notify_access), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RestartUSec", "t", bus_property_get_usec, offsetof(Service, restart_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("TimeoutStartUSec", "t", bus_property_get_usec, offsetof(Service, timeout_start_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("TimeoutStopUSec", "t", bus_property_get_usec, offsetof(Service, timeout_stop_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("WatchdogUSec", "t", bus_property_get_usec, offsetof(Service, watchdog_usec), SD_BUS_VTABLE_PROPERTY_CONST),
+ BUS_PROPERTY_DUAL_TIMESTAMP("WatchdogTimestamp", offsetof(Service, watchdog_timestamp), 0),
+ SD_BUS_PROPERTY("StartLimitInterval", "t", bus_property_get_usec, offsetof(Service, start_limit.interval), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("StartLimitBurst", "u", bus_property_get_unsigned, offsetof(Service, start_limit.burst), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("StartLimitAction", "s", property_get_failure_action, offsetof(Service, start_limit_action), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RebootArgument", "s", NULL, offsetof(Service, reboot_arg), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("FailureAction", "s", property_get_failure_action, offsetof(Service, failure_action), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("PermissionsStartOnly", "b", bus_property_get_bool, offsetof(Service, permissions_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RootDirectoryStartOnly", "b", bus_property_get_bool, offsetof(Service, root_directory_start_only), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("RemainAfterExit", "b", bus_property_get_bool, offsetof(Service, remain_after_exit), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("GuessMainPID", "b", bus_property_get_bool, offsetof(Service, guess_main_pid), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("MainPID", "u", bus_property_get_pid, offsetof(Service, main_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("ControlPID", "u", bus_property_get_pid, offsetof(Service, control_pid), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("BusName", "s", NULL, offsetof(Service, bus_name), SD_BUS_VTABLE_PROPERTY_CONST),
+ SD_BUS_PROPERTY("StatusText", "s", NULL, offsetof(Service, status_text), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("StatusErrno", "i", NULL, offsetof(Service, status_errno), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ SD_BUS_PROPERTY("Result", "s", property_get_result, offsetof(Service, result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ BUS_EXEC_STATUS_VTABLE("ExecMain", offsetof(Service, main_exec_status), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE),
+ BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPre", offsetof(Service, exec_command[SERVICE_EXEC_START_PRE]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_LIST_VTABLE("ExecStart", offsetof(Service, exec_command[SERVICE_EXEC_START]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_LIST_VTABLE("ExecStartPost", offsetof(Service, exec_command[SERVICE_EXEC_START_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_LIST_VTABLE("ExecReload", offsetof(Service, exec_command[SERVICE_EXEC_RELOAD]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_LIST_VTABLE("ExecStop", offsetof(Service, exec_command[SERVICE_EXEC_STOP]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ BUS_EXEC_COMMAND_LIST_VTABLE("ExecStopPost", offsetof(Service, exec_command[SERVICE_EXEC_STOP_POST]), SD_BUS_VTABLE_PROPERTY_EMITS_INVALIDATION),
+ SD_BUS_VTABLE_END
};
-DBusHandlerResult bus_service_message_handler(Unit *u, DBusConnection *connection, DBusMessage *message) {
- Service *s = SERVICE(u);
-
- const BusBoundProperties bps[] = {
- { "org.freedesktop.systemd1.Unit", bus_unit_properties, u },
- { "org.freedesktop.systemd1.Service", bus_unit_cgroup_properties, u },
- { "org.freedesktop.systemd1.Service", bus_service_properties, s },
- { "org.freedesktop.systemd1.Service", bus_exec_context_properties, &s->exec_context },
- { "org.freedesktop.systemd1.Service", bus_kill_context_properties, &s->kill_context },
- { "org.freedesktop.systemd1.Service", bus_cgroup_context_properties, &s->cgroup_context },
- { "org.freedesktop.systemd1.Service", bus_exec_main_status_properties, &s->main_exec_status },
- {}
- };
-
- SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "status");
-
- return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, bps);
-}
-
static int bus_service_set_transient_property(
Service *s,
const char *name,
- DBusMessageIter *i,
+ sd_bus_message *message,
UnitSetPropertiesMode mode,
- DBusError *error) {
+ sd_bus_error *error) {
int r;
- assert(name);
assert(s);
- assert(i);
+ assert(name);
+ assert(message);
+
+ if (streq(name, "RemainAfterExit")) {
+ int b;
+
+ r = sd_bus_message_read(message, "b", &b);
+ if (r < 0)
+ return r;
+
+ if (mode != UNIT_CHECK) {
+ s->remain_after_exit = b;
+ unit_write_drop_in_private_format(UNIT(s), mode, name, "RemainAfterExit=%s\n", yes_no(b));
+ }
+
+ return 1;
+
+ } else if (streq(name, "Type")) {
+ const char *t;
+ ServiceType k;
- if (streq(name, "ExecStart")) {
- DBusMessageIter sub;
+ r = sd_bus_message_read(message, "s", &t);
+ if (r < 0)
+ return r;
+
+ k = service_type_from_string(t);
+ if (k < 0)
+ return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid service type %s", t);
+
+ if (mode != UNIT_CHECK) {
+ s->type = k;
+ unit_write_drop_in_private_format(UNIT(s), mode, name, "Type=%s\n", service_type_to_string(s->type));
+ }
+
+ return 1;
+
+ } else if (streq(name, "ExecStart")) {
unsigned n = 0;
- if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(i) != DBUS_TYPE_STRUCT)
- return -EINVAL;
+ r = sd_bus_message_enter_container(message, 'a', "(sasb)");
+ if (r < 0)
+ return r;
- dbus_message_iter_recurse(i, &sub);
- while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
+ while ((r = sd_bus_message_enter_container(message, 'r', "sasb")) > 0) {
_cleanup_strv_free_ char **argv = NULL;
- DBusMessageIter sub2;
- dbus_bool_t ignore;
const char *path;
+ int b;
- dbus_message_iter_recurse(&sub, &sub2);
-
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &path, true) < 0)
- return -EINVAL;
+ r = sd_bus_message_read(message, "s", &path);
+ if (r < 0)
+ return r;
- if (!path_is_absolute(path)) {
- dbus_set_error(error, DBUS_ERROR_INVALID_ARGS, "Path %s is not absolute.", path);
- return -EINVAL;
- }
+ if (!path_is_absolute(path))
+ return sd_bus_error_set_errnof(error, EINVAL, "Path %s is not absolute.", path);
- r = bus_parse_strv_iter(&sub2, &argv);
+ r = sd_bus_message_read_strv(message, &argv);
if (r < 0)
return r;
- dbus_message_iter_next(&sub2);
+ r = sd_bus_message_read(message, "b", &b);
+ if (r < 0)
+ return r;
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, false) < 0)
- return -EINVAL;
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
if (mode != UNIT_CHECK) {
ExecCommand *c;
@@ -230,16 +165,22 @@ static int bus_service_set_transient_property(
c->argv = argv;
argv = NULL;
- c->ignore = ignore;
+ c->ignore = b;
path_kill_slashes(c->path);
exec_command_append_list(&s->exec_command[SERVICE_EXEC_START], c);
}
n++;
- dbus_message_iter_next(&sub);
}
+ if (r < 0)
+ return r;
+
+ r = sd_bus_message_exit_container(message);
+ if (r < 0)
+ return r;
+
if (mode != UNIT_CHECK) {
_cleanup_free_ char *buf = NULL;
_cleanup_fclose_ FILE *f = NULL;
@@ -258,21 +199,16 @@ static int bus_service_set_transient_property(
fputs("ExecStart=\n", f);
LIST_FOREACH(command, c, s->exec_command[SERVICE_EXEC_START]) {
- char **a;
- fputs("ExecStart=", f);
+ _cleanup_free_ char *a;
- if (c->ignore)
- fputc('-', f);
-
- fputc('@', f);
- fputs(c->path, f);
-
- STRV_FOREACH(a, c->argv) {
- fputc(' ', f);
- fputs(*a, f);
- }
+ a = strv_join_quoted(c->argv);
+ if (!a)
+ return -ENOMEM;
- fputc('\n', f);
+ fprintf(f, "ExecStart=%s@%s %s\n",
+ c->ignore ? "-" : "",
+ c->path,
+ a);
}
fflush(f);
@@ -288,25 +224,33 @@ static int bus_service_set_transient_property(
int bus_service_set_property(
Unit *u,
const char *name,
- DBusMessageIter *i,
+ sd_bus_message *message,
UnitSetPropertiesMode mode,
- DBusError *error) {
+ sd_bus_error *error) {
Service *s = SERVICE(u);
int r;
+ assert(s);
assert(name);
- assert(u);
- assert(i);
+ assert(message);
- r = bus_cgroup_set_property(u, &s->cgroup_context, name, i, mode, error);
+ r = bus_cgroup_set_property(u, &s->cgroup_context, name, message, mode, error);
if (r != 0)
return r;
if (u->transient && u->load_state == UNIT_STUB) {
/* This is a transient unit, let's load a little more */
- r = bus_service_set_transient_property(s, name, i, mode, error);
+ r = bus_service_set_transient_property(s, name, message, mode, error);
+ if (r != 0)
+ return r;
+
+ r = bus_exec_context_set_transient_property(u, &s->exec_context, name, message, mode, error);
+ if (r != 0)
+ return r;
+
+ r = bus_kill_context_set_transient_property(u, &s->kill_context, name, message, mode, error);
if (r != 0)
return r;
}
@@ -317,6 +261,8 @@ int bus_service_set_property(
int bus_service_commit_properties(Unit *u) {
assert(u);
+ unit_update_cgroup_members_masks(u);
unit_realize_cgroup(u);
+
return 0;
}