X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fcore%2Fdbus-unit.c;h=49054781c0161c4fabc26c7235868eb1e822052a;hp=032915d14ea4d0bbccb552058dc44a5c3fd4cb3c;hb=718db96199eb307751264e4163555662c9a389fa;hpb=3febea3a0b0a968ea281e7959c1654cbaf95c9bf diff --git a/src/core/dbus-unit.c b/src/core/dbus-unit.c index 032915d14..49054781c 100644 --- a/src/core/dbus-unit.c +++ b/src/core/dbus-unit.c @@ -19,609 +19,645 @@ along with systemd; If not, see . ***/ -#include - -#include "dbus.h" +#include "sd-bus.h" #include "log.h" -#include "dbus-unit.h" -#include "bus-errors.h" -#include "dbus-common.h" #include "selinux-access.h" #include "cgroup-util.h" #include "strv.h" #include "path-util.h" #include "fileio.h" +#include "dbus-unit.h" +#include "dbus-manager.h" +#include "bus-errors.h" +#include "dbus-client-track.h" + +static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_load_state, unit_load_state, UnitLoadState); + +static int property_get_names( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { + + Unit *u = userdata; + Iterator i; + const char *t; + int r; -const char bus_unit_interface[] = BUS_UNIT_INTERFACE; - -#define INVALIDATING_PROPERTIES \ - "LoadState\0" \ - "ActiveState\0" \ - "SubState\0" \ - "InactiveExitTimestamp\0" \ - "ActiveEnterTimestamp\0" \ - "ActiveExitTimestamp\0" \ - "InactiveEnterTimestamp\0" \ - "Job\0" \ - "NeedDaemonReload\0" - -static int bus_unit_append_names(DBusMessageIter *i, const char *property, void *data) { - char *t; - Iterator j; - DBusMessageIter sub; - Unit *u = data; - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "s", &sub)) - return -ENOMEM; + assert(bus); + assert(reply); + assert(u); - SET_FOREACH(t, u->names, j) - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &t)) - return -ENOMEM; + r = sd_bus_message_open_container(reply, 'a', "s"); + if (r < 0) + return r; - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; + SET_FOREACH(t, u->names, i) { + r = sd_bus_message_append(reply, "s", t); + if (r < 0) + return r; + } - return 0; + return sd_bus_message_close_container(reply); } -static int bus_unit_append_following(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data, *f; - const char *d; +static int property_get_following( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { + + Unit *u = userdata, *f; - assert(i); - assert(property); + assert(bus); + assert(reply); assert(u); f = unit_following(u); - d = f ? f->id : ""; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d)) - return -ENOMEM; - - return 0; + return sd_bus_message_append(reply, "s", f ? f->id : ""); } -static int bus_unit_append_slice(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - const char *d; - - assert(i); - assert(property); - assert(u); - - d = strempty(unit_slice_name(u)); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d)) - return -ENOMEM; +static int property_get_dependencies( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - return 0; -} - -static int bus_unit_append_dependencies(DBusMessageIter *i, const char *property, void *data) { - Unit *u; + Set *s = *(Set**) userdata; Iterator j; - DBusMessageIter sub; - Set *s = data; + Unit *u; + int r; - if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "s", &sub)) - return -ENOMEM; + assert(bus); + assert(reply); - SET_FOREACH(u, s, j) - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &u->id)) - return -ENOMEM; + r = sd_bus_message_open_container(reply, 'a', "s"); + if (r < 0) + return r; - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; + SET_FOREACH(u, s, j) { + r = sd_bus_message_append(reply, "s", u->id); + if (r < 0) + return r; + } - return 0; + return sd_bus_message_close_container(reply); } -static int bus_unit_append_description(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - const char *d; +static int property_get_description( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - assert(i); - assert(property); - assert(u); - - d = unit_description(u); + Unit *u = userdata; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &d)) - return -ENOMEM; + assert(bus); + assert(reply); + assert(u); - return 0; + return sd_bus_message_append(reply, "s", unit_description(u)); } -static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_unit_append_load_state, unit_load_state, UnitLoadState); +static int property_get_active_state( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { -static int bus_unit_append_active_state(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - const char *state; + Unit *u = userdata; - assert(i); - assert(property); + assert(bus); + assert(reply); assert(u); - state = unit_active_state_to_string(unit_active_state(u)); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state)) - return -ENOMEM; - - return 0; + return sd_bus_message_append(reply, "s", unit_active_state_to_string(unit_active_state(u))); } -static int bus_unit_append_sub_state(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - const char *state; - - assert(i); - assert(property); - assert(u); +static int property_get_sub_state( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - state = unit_sub_state_to_string(u); + Unit *u = userdata; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state)) - return -ENOMEM; + assert(bus); + assert(reply); + assert(u); - return 0; + return sd_bus_message_append(reply, "s", unit_sub_state_to_string(u)); } -static int bus_unit_append_file_state(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - const char *state; +static int property_get_unit_file_state( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - assert(i); - assert(property); - assert(u); + Unit *u = userdata; - state = strempty(unit_file_state_to_string(unit_get_unit_file_state(u))); - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &state)) - return -ENOMEM; + assert(bus); + assert(reply); + assert(u); - return 0; + return sd_bus_message_append(reply, "s", unit_file_state_to_string(unit_get_unit_file_state(u))); } -static int bus_unit_append_can_start(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(u); +static int property_get_can_start( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - b = unit_can_start(u) && - !u->refuse_manual_start; + Unit *u = userdata; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; + assert(bus); + assert(reply); + assert(u); - return 0; + return sd_bus_message_append(reply, "b", unit_can_start(u) && !u->refuse_manual_start); } -static int bus_unit_append_can_stop(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - dbus_bool_t b; +static int property_get_can_stop( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { + + Unit *u = userdata; - assert(i); - assert(property); + assert(bus); + assert(reply); assert(u); /* On the lower levels we assume that every unit we can start * we can also stop */ - b = unit_can_start(u) && - !u->refuse_manual_stop; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; - - return 0; + return sd_bus_message_append(reply, "b", unit_can_start(u) && !u->refuse_manual_stop); } -static int bus_unit_append_can_reload(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - dbus_bool_t b; +static int property_get_can_reload( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - assert(i); - assert(property); - assert(u); - - b = unit_can_reload(u); + Unit *u = userdata; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; + assert(bus); + assert(reply); + assert(u); - return 0; + return sd_bus_message_append(reply, "b", unit_can_reload(u)); } -static int bus_unit_append_can_isolate(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - dbus_bool_t b; +static int property_get_can_isolate( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - assert(i); - assert(property); - assert(u); - - b = unit_can_isolate(u) && - !u->refuse_manual_start; + Unit *u = userdata; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; + assert(bus); + assert(reply); + assert(u); - return 0; + return sd_bus_message_append(reply, "b", unit_can_isolate(u) && !u->refuse_manual_start); } -static int bus_unit_append_job(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - DBusMessageIter sub; +static int property_get_job( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { + _cleanup_free_ char *p = NULL; + Unit *u = userdata; - assert(i); - assert(property); + assert(bus); + assert(reply); assert(u); - if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub)) - return -ENOMEM; - - if (u->job) { + if (!u->job) + return sd_bus_message_append(reply, "(uo)", 0, "/"); - p = job_dbus_path(u->job); - if (!p) - return -ENOMEM; - - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_UINT32, &u->job->id) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &p)) - return -ENOMEM; - } else { - uint32_t id = 0; + p = job_dbus_path(u->job); + if (!p) + return -ENOMEM; - /* No job, so let's fill in some placeholder - * data. Since we need to fill in a valid path we - * simple point to ourselves. */ + return sd_bus_message_append(reply, "(uo)", u->job->id, p); +} - p = unit_dbus_path(u); - if (!p) - return -ENOMEM; +static int property_get_need_daemon_reload( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_UINT32, &id) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_OBJECT_PATH, &p)) - return -ENOMEM; - } + Unit *u = userdata; - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; + assert(bus); + assert(reply); + assert(u); - return 0; + return sd_bus_message_append(reply, "b", unit_need_daemon_reload(u)); } -static int bus_unit_append_need_daemon_reload(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - dbus_bool_t b; +static int property_get_conditions( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - assert(i); - assert(property); - assert(u); + Unit *u = userdata; + Condition *c; + int r; - b = unit_need_daemon_reload(u); + assert(bus); + assert(reply); + assert(u); - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; + r = sd_bus_message_open_container(reply, 'a', "(sbbsi)"); + if (r < 0) + return r; - return 0; -} + LIST_FOREACH(conditions, c, u->conditions) { + r = sd_bus_message_append(reply, "sbbsi", condition_type_to_string(c->type), c->trigger, c->negate, c->parameter, c->state); + if (r < 0) + return r; -static int bus_property_append_condition(DBusMessageIter *i, const char *property, void *data) { - Condition **cp = data; - Condition *c; - const char *name, *param; - dbus_bool_t trigger, negate; - dbus_int32_t state; - DBusMessageIter sub; - - assert(i); - assert(property); - assert(cp); - - c = *cp; - assert(c); - - name = condition_type_to_string(c->type); - param = c->parameter; - trigger = c->trigger; - negate = c->negate; - state = c->state; - - if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &name) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_BOOLEAN, &trigger) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_BOOLEAN, &negate) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, ¶m) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_INT32, &state) || - !dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; + } - return 0; + return sd_bus_message_close_container(reply); } -static int bus_property_append_condition_list(DBusMessageIter *i, const char *property, void *data) { - Condition **first = data, *c; - DBusMessageIter sub; - - assert(i); - assert(data); +static int property_get_load_error( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - if (!dbus_message_iter_open_container(i, DBUS_TYPE_ARRAY, "(sbbsi)", &sub)) - return -ENOMEM; + _cleanup_bus_error_free_ sd_bus_error e = SD_BUS_ERROR_NULL; + Unit *u = userdata; - LIST_FOREACH(conditions, c, *first) - bus_property_append_condition(&sub, property, &c); + assert(bus); + assert(reply); + assert(u); - if (!dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; + if (u->load_error != 0) + sd_bus_error_set_errno(&e, u->load_error); - return 0; + return sd_bus_message_append(reply, "(ss)", e.name, e.message); } -static int bus_unit_append_load_error(DBusMessageIter *i, const char *property, void *data) { - Unit *u = data; - const char *name, *message; - DBusMessageIter sub; +int bus_unit_method_start_generic(sd_bus *bus, sd_bus_message *message, Unit *u, JobType job_type, bool reload_if_possible) { + const char *smode; + JobMode mode; + int r; - assert(i); - assert(property); + assert(bus); + assert(message); assert(u); + assert(job_type >= 0 && job_type < _JOB_TYPE_MAX); - if (u->load_error != 0) { - name = bus_errno_to_dbus(u->load_error); - message = strempty(strerror(-u->load_error)); - } else - name = message = ""; + r = sd_bus_message_read(message, "s", &smode); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - if (!dbus_message_iter_open_container(i, DBUS_TYPE_STRUCT, NULL, &sub) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &name) || - !dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &message) || - !dbus_message_iter_close_container(i, &sub)) - return -ENOMEM; + mode = job_mode_from_string(smode); + if (mode < 0) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s invalid", smode); - return 0; + return bus_unit_queue_job(bus, message, u, job_type, mode, reload_if_possible); } -static DBusHandlerResult bus_unit_message_dispatch(Unit *u, DBusConnection *connection, DBusMessage *message) { - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - DBusError error; - JobType job_type = _JOB_TYPE_INVALID; - bool reload_if_possible = false; - int r; +static int method_start(sd_bus *bus, sd_bus_message *message, void *userdata) { + return bus_unit_method_start_generic(bus, message, userdata, JOB_START, false); +} - dbus_error_init(&error); - - if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "Start")) - job_type = JOB_START; - else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "Stop")) - job_type = JOB_STOP; - else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "Reload")) - job_type = JOB_RELOAD; - else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "Restart")) - job_type = JOB_RESTART; - else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "TryRestart")) - job_type = JOB_TRY_RESTART; - else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "ReloadOrRestart")) { - reload_if_possible = true; - job_type = JOB_RESTART; - } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "ReloadOrTryRestart")) { - reload_if_possible = true; - job_type = JOB_TRY_RESTART; - } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "Kill")) { - const char *swho; - int32_t signo; - KillWho who; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &swho, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (isempty(swho)) - who = KILL_ALL; - else { - who = kill_who_from_string(swho); - if (who < 0) - return bus_send_error_reply(connection, message, &error, -EINVAL); - } +static int method_stop(sd_bus *bus, sd_bus_message *message, void *userdata) { + return bus_unit_method_start_generic(bus, message, userdata, JOB_STOP, false); +} + +static int method_reload(sd_bus *bus, sd_bus_message *message, void *userdata) { + return bus_unit_method_start_generic(bus, message, userdata, JOB_RELOAD, false); +} - if (signo <= 0 || signo >= _NSIG) - return bus_send_error_reply(connection, message, &error, -EINVAL); +static int method_restart(sd_bus *bus, sd_bus_message *message, void *userdata) { + return bus_unit_method_start_generic(bus, message, userdata, JOB_RESTART, false); +} - SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "stop"); +static int method_try_restart(sd_bus *bus, sd_bus_message *message, void *userdata) { + return bus_unit_method_start_generic(bus, message, userdata, JOB_TRY_RESTART, false); +} - r = unit_kill(u, who, signo, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); +static int method_reload_or_restart(sd_bus *bus, sd_bus_message *message, void *userdata) { + return bus_unit_method_start_generic(bus, message, userdata, JOB_RESTART, true); +} - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; +static int method_reload_or_try_restart(sd_bus *bus, sd_bus_message *message, void *userdata) { + return bus_unit_method_start_generic(bus, message, userdata, JOB_TRY_RESTART, true); +} - } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "ResetFailed")) { +int bus_unit_method_kill(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + Unit *u = userdata; + const char *swho; + int32_t signo; + KillWho who; + int r; - SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "reload"); + assert(bus); + assert(message); + assert(u); - unit_reset_failed(u); + r = sd_bus_message_read(message, "si", &swho, &signo); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + if (isempty(swho)) + who = KILL_ALL; + else { + who = kill_who_from_string(swho); + if (who < 0) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid who argument %s", swho); + } - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - } else if (dbus_message_is_method_call(message, "org.freedesktop.systemd1.Unit", "SetProperties")) { - DBusMessageIter iter; - dbus_bool_t runtime; + if (signo <= 0 || signo >= _NSIG) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Signal number out of range."); - if (!dbus_message_iter_init(message, &iter)) - goto oom; + SELINUX_UNIT_ACCESS_CHECK(u, bus, message, "stop"); - if (bus_iter_get_basic_and_next(&iter, DBUS_TYPE_BOOLEAN, &runtime, true) < 0) - return bus_send_error_reply(connection, message, NULL, -EINVAL); + r = unit_kill(u, who, signo, &error); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, &error); - SELINUX_UNIT_ACCESS_CHECK(u, connection, message, "start"); + return sd_bus_reply_method_return(bus, message, NULL); +} - r = bus_unit_set_properties(u, &iter, runtime ? UNIT_RUNTIME : UNIT_PERSISTENT, true, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (UNIT_VTABLE(u)->bus_message_handler) - return UNIT_VTABLE(u)->bus_message_handler(u, connection, message); - else - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - - if (job_type != _JOB_TYPE_INVALID) { - const char *smode; - JobMode mode; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &smode, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - mode = job_mode_from_string(smode); - if (mode < 0) { - dbus_set_error(&error, BUS_ERROR_INVALID_JOB_MODE, "Job mode %s is invalid.", smode); - return bus_send_error_reply(connection, message, &error, -EINVAL); - } +int bus_unit_method_reset_failed(sd_bus *bus, sd_bus_message *message, void *userdata) { + Unit *u = userdata; - return bus_unit_queue_job(connection, message, u, job_type, mode, reload_if_possible); - } + assert(bus); + assert(message); + assert(u); - if (reply) - if (!bus_maybe_send_reply(connection, message, reply)) - goto oom; + SELINUX_UNIT_ACCESS_CHECK(u, bus, message, "reload"); - return DBUS_HANDLER_RESULT_HANDLED; + unit_reset_failed(u); -oom: - dbus_error_free(&error); - return DBUS_HANDLER_RESULT_NEED_MEMORY; + return sd_bus_reply_method_return(bus, message, NULL); } -static DBusHandlerResult bus_unit_message_handler(DBusConnection *connection, DBusMessage *message, void *data) { - Manager *m = data; - Unit *u; - int r; - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - DBusError error; +int bus_unit_method_set_properties(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + Unit *u = userdata; + int runtime, r; - assert(connection); + assert(bus); assert(message); - assert(m); - - dbus_error_init(&error); + assert(u); - if (streq(dbus_message_get_path(message), "/org/freedesktop/systemd1/unit")) { - /* Be nice to gdbus and return introspection data for our mid-level paths */ + r = sd_bus_message_read(message, "b", &runtime); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - SELINUX_ACCESS_CHECK(connection, message, "status"); + SELINUX_UNIT_ACCESS_CHECK(u, bus, message, "start"); - if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) { - char *introspection = NULL; - FILE *f; - Iterator i; - const char *k; - size_t size; + r = sd_bus_message_enter_container(message, 'a', "(sv)"); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; + r = bus_unit_set_properties(u, message, runtime ? UNIT_RUNTIME : UNIT_PERSISTENT, true, &error); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, &error); - /* We roll our own introspection code here, instead of - * relying on bus_default_message_handler() because we - * need to generate our introspection string - * dynamically. */ + r = sd_bus_message_exit_container(message); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - f = open_memstream(&introspection, &size); - if (!f) - goto oom; + return sd_bus_reply_method_return(bus, message, NULL); +} - fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE - "\n", f); +const sd_bus_vtable bus_unit_vtable[] = { + SD_BUS_VTABLE_START(0), + + SD_BUS_PROPERTY("Id", "s", NULL, offsetof(Unit, id), 0), + SD_BUS_PROPERTY("Names", "as", property_get_names, 0, 0), + SD_BUS_PROPERTY("Following", "s", property_get_following, 0, 0), + SD_BUS_PROPERTY("Requires", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRES]), 0), + SD_BUS_PROPERTY("RequiresOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRES_OVERRIDABLE]), 0), + SD_BUS_PROPERTY("Requisite", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE]), 0), + SD_BUS_PROPERTY("RequisiteOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUISITE_OVERRIDABLE]), 0), + SD_BUS_PROPERTY("Wants", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTS]), 0), + SD_BUS_PROPERTY("BindsTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BINDS_TO]), 0), + SD_BUS_PROPERTY("PartOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PART_OF]), 0), + SD_BUS_PROPERTY("RequiredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRED_BY]), 0), + SD_BUS_PROPERTY("RequiredByOverridable", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_REQUIRED_BY_OVERRIDABLE]), 0), + SD_BUS_PROPERTY("WantedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_WANTED_BY]), 0), + SD_BUS_PROPERTY("BoundBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BOUND_BY]), 0), + SD_BUS_PROPERTY("ConsistsOf", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONSISTS_OF]), 0), + SD_BUS_PROPERTY("Conflicts", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTS]), 0), + SD_BUS_PROPERTY("ConflictedBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_CONFLICTED_BY]), 0), + SD_BUS_PROPERTY("Before", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_BEFORE]), 0), + SD_BUS_PROPERTY("After", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_AFTER]), 0), + SD_BUS_PROPERTY("OnFailure", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_ON_FAILURE]), 0), + SD_BUS_PROPERTY("Triggers", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERS]), 0), + SD_BUS_PROPERTY("TriggeredBy", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_TRIGGERED_BY]), 0), + SD_BUS_PROPERTY("PropagatesReloadTo", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_PROPAGATES_RELOAD_TO]), 0), + SD_BUS_PROPERTY("ReloadPropagatedFrom", "as", property_get_dependencies, offsetof(Unit, dependencies[UNIT_RELOAD_PROPAGATED_FROM]), 0), + SD_BUS_PROPERTY("RequiresMountsFor", "as", NULL, offsetof(Unit, requires_mounts_for), 0), + SD_BUS_PROPERTY("Documentation", "as", NULL, offsetof(Unit, documentation), 0), + SD_BUS_PROPERTY("Description", "s", property_get_description, 0, 0), + SD_BUS_PROPERTY("LoadState", "s", property_get_load_state, offsetof(Unit, load_state), 0), + SD_BUS_PROPERTY("ActiveState", "s", property_get_active_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("SubState", "s", property_get_sub_state, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("FragmentPath", "s", NULL, offsetof(Unit, fragment_path), 0), + SD_BUS_PROPERTY("SourcePath", "s", NULL, offsetof(Unit, source_path), 0), + SD_BUS_PROPERTY("DropInPaths", "as", NULL, offsetof(Unit, dropin_paths), 0), + SD_BUS_PROPERTY("UnitFileState", "s", property_get_unit_file_state, 0, 0), + BUS_PROPERTY_DUAL_TIMESTAMP("InactiveExitTimestamp", offsetof(Unit, inactive_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + BUS_PROPERTY_DUAL_TIMESTAMP("ActiveEnterTimestamp", offsetof(Unit, active_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + BUS_PROPERTY_DUAL_TIMESTAMP("ActiveExitTimestamp", offsetof(Unit, active_exit_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + BUS_PROPERTY_DUAL_TIMESTAMP("InactiveEnterTimestamp", offsetof(Unit, inactive_enter_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("CanStart", "b", property_get_can_start, 0, 0), + SD_BUS_PROPERTY("CanStop", "b", property_get_can_stop, 0, 0), + SD_BUS_PROPERTY("CanReload", "b", property_get_can_reload, 0, 0), + SD_BUS_PROPERTY("CanIsolate", "b", property_get_can_isolate, 0, 0), + SD_BUS_PROPERTY("Job", "(uo)", property_get_job, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("StopWhenUnneeded", "b", bus_property_get_bool, offsetof(Unit, stop_when_unneeded), 0), + SD_BUS_PROPERTY("RefuseManualStart", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_start), 0), + SD_BUS_PROPERTY("RefuseManualStop", "b", bus_property_get_bool, offsetof(Unit, refuse_manual_stop), 0), + SD_BUS_PROPERTY("AllowIsolate", "b", bus_property_get_bool, offsetof(Unit, allow_isolate), 0), + SD_BUS_PROPERTY("DefaultDependencies", "b", bus_property_get_bool, offsetof(Unit, default_dependencies), 0), + SD_BUS_PROPERTY("OnFailureIsolate", "b", bus_property_get_bool, offsetof(Unit, on_failure_isolate), 0), + SD_BUS_PROPERTY("IgnoreOnIsolate", "b", bus_property_get_bool, offsetof(Unit, ignore_on_isolate), 0), + SD_BUS_PROPERTY("IgnoreOnSnapshot", "b", bus_property_get_bool, offsetof(Unit, ignore_on_snapshot), 0), + SD_BUS_PROPERTY("NeedDaemonReload", "b", property_get_need_daemon_reload, 0, 0), + SD_BUS_PROPERTY("JobTimeoutUSec", "t", bus_property_get_usec, offsetof(Unit, job_timeout), 0), + SD_BUS_PROPERTY("ConditionResult", "b", bus_property_get_bool, offsetof(Unit, condition_result), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + BUS_PROPERTY_DUAL_TIMESTAMP("ConditionTimestamp", offsetof(Unit, condition_timestamp), SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("Conditions", "a(sbbsi)", property_get_conditions, 0, 0), + SD_BUS_PROPERTY("LoadError", "(ss)", property_get_load_error, 0, 0), + SD_BUS_PROPERTY("Transient", "b", bus_property_get_bool, offsetof(Unit, transient), 0), + + SD_BUS_METHOD("Start", "s", "o", method_start, 0), + SD_BUS_METHOD("Stop", "s", "o", method_stop, 0), + SD_BUS_METHOD("Reload", "s", "o", method_reload, 0), + SD_BUS_METHOD("Restart", "s", "o", method_restart, 0), + SD_BUS_METHOD("TryRestart", "s", "o", method_try_restart, 0), + SD_BUS_METHOD("ReloadOrRestart", "s", "o", method_reload_or_restart, 0), + SD_BUS_METHOD("ReloadOrTryRestart", "s", "o", method_reload_or_try_restart, 0), + SD_BUS_METHOD("Kill", "si", NULL, bus_unit_method_kill, 0), + SD_BUS_METHOD("ResetFailed", NULL, NULL, bus_unit_method_reset_failed, 0), + SD_BUS_METHOD("SetProperties", "ba(sv)", NULL, bus_unit_method_set_properties, 0), + + SD_BUS_VTABLE_END +}; - fputs(BUS_INTROSPECTABLE_INTERFACE, f); - fputs(BUS_PEER_INTERFACE, f); +static int property_get_slice( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - HASHMAP_FOREACH_KEY(u, k, m->units, i) { - char *p; + Unit *u = userdata; - if (k != u->id) - continue; + assert(bus); + assert(reply); + assert(u); - p = bus_path_escape(k); - if (!p) { - fclose(f); - free(introspection); - goto oom; - } + return sd_bus_message_append(reply, "s", unit_slice_name(u)); +} - fprintf(f, "", p); - free(p); - } +const sd_bus_vtable bus_unit_cgroup_vtable[] = { + SD_BUS_VTABLE_START(0), + SD_BUS_PROPERTY("Slice", "s", property_get_slice, 0, 0), + SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Unit, cgroup_path), 0), + SD_BUS_VTABLE_END +}; - fputs("\n", f); +static int send_new_signal(sd_bus *bus, const char *destination, void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *m = NULL; + _cleanup_free_ char *p = NULL; + Unit *u = userdata; + int r; - if (ferror(f)) { - fclose(f); - free(introspection); - goto oom; - } + assert(bus); + assert(u); - fclose(f); + p = unit_dbus_path(u); + if (!u) + return -ENOMEM; - if (!introspection) - goto oom; + r = sd_bus_message_new_signal( + bus, + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "UnitNew", + &m); + if (r < 0) + return r; - if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) { - free(introspection); - goto oom; - } + r = sd_bus_message_append(m, "so", u->id, p); + if (r < 0) + return r; - free(introspection); + return sd_bus_send_to(bus, m, destination, NULL); +} - if (!bus_maybe_send_reply(connection, message, reply)) - goto oom; +static int send_changed_signal(sd_bus *bus, const char *destination, void *userdata) { + _cleanup_free_ char *p = NULL; + Unit *u = userdata; + int r; - return DBUS_HANDLER_RESULT_HANDLED; - } + assert(bus); + assert(u); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; - } + p = unit_dbus_path(u); + if (!u) + return -ENOMEM; - r = manager_load_unit_from_dbus_path(m, dbus_message_get_path(message), &error, &u); - if (r == -ENOMEM) - goto oom; - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); + /* Send a properties changed signal. First for the specific + * type, then for the generic unit. The clients may rely on + * this order to get atomic behavior if needed. */ - return bus_unit_message_dispatch(u, connection, message); + if (UNIT_VTABLE(u)->bus_changing_properties) { -oom: - dbus_error_free(&error); + r = sd_bus_emit_properties_changed_strv( + bus, p, + UNIT_VTABLE(u)->bus_interface, + (char**) UNIT_VTABLE(u)->bus_changing_properties); + if (r < 0) + return r; + } - return DBUS_HANDLER_RESULT_NEED_MEMORY; + return sd_bus_emit_properties_changed( + bus, p, + "org.freedesktop.systemd1.Unit", + "ActiveState", + "SubState", + "InactiveExitTimestamp", + "ActiveEnterTimestamp", + "ActiveExitTimestamp", + "InactiveEnterTimestamp", + "Job", + "ConditionResult", + "ConditionTimestamp", + NULL); } -const DBusObjectPathVTable bus_unit_vtable = { - .message_function = bus_unit_message_handler -}; - void bus_unit_send_change_signal(Unit *u) { - _cleanup_dbus_message_unref_ DBusMessage *m = NULL; - _cleanup_free_ char *p = NULL; int r; assert(u); @@ -634,141 +670,77 @@ void bus_unit_send_change_signal(Unit *u) { if (!u->id) return; - if (!bus_has_subscriber(u->manager)) { - u->sent_dbus_new_signal = true; - return; - } - - p = unit_dbus_path(u); - if (!p) { - log_oom(); - return; - } - - if (u->sent_dbus_new_signal) { - /* Send a properties changed signal. First for the - * specific type, then for the generic unit. The - * clients may rely on this order to get atomic - * behavior if needed. */ - - if (UNIT_VTABLE(u)->bus_invalidating_properties) { - - m = bus_properties_changed_new(p, - UNIT_VTABLE(u)->bus_interface, - UNIT_VTABLE(u)->bus_invalidating_properties); - if (!m) { - log_oom(); - return; - } - - r = bus_broadcast(u->manager, m); - if (r < 0) { - log_error("Failed to broadcast change message: %s", strerror(-r)); - return; - } + r = bus_manager_foreach_client(u->manager, u->sent_dbus_new_signal ? send_changed_signal : send_new_signal, u); + if (r < 0) + log_warning("Failed to send unit change signal for %s: %s", u->id, strerror(-r)); - dbus_message_unref(m); - } + u->sent_dbus_new_signal = true; +} - m = bus_properties_changed_new(p, "org.freedesktop.systemd1.Unit", - INVALIDATING_PROPERTIES); - if (!m) { - log_oom(); - return; - } +static int send_removed_signal(sd_bus *bus, const char *destination, void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *m = NULL; + _cleanup_free_ char *p = NULL; + Unit *u = userdata; + int r; - } else { - /* Send a new signal */ + assert(bus); + assert(u); - m = dbus_message_new_signal("/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "UnitNew"); - if (!m) { - log_oom(); - return; - } + p = unit_dbus_path(u); + if (!u) + return -ENOMEM; - if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &u->id, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID)) { - log_oom(); - return; - } - } + r = sd_bus_message_new_signal( + bus, + "/org/freedesktop/systemd1", + "org.freedesktop.systemd1.Manager", + "UnitRemoved", + &m); + if (r < 0) + return r; - r = bus_broadcast(u->manager, m); - if (r < 0) { - log_error("Failed to broadcast UnitNew/PropertiesChanged message."); - return; - } + r = sd_bus_message_append(m, "so", u->id, p); + if (r < 0) + return r; - u->sent_dbus_new_signal = true; + return sd_bus_send_to(bus, m, destination, NULL); } void bus_unit_send_removed_signal(Unit *u) { - _cleanup_free_ char *p = NULL; - _cleanup_dbus_message_unref_ DBusMessage *m = NULL; + int r; assert(u); - if (!bus_has_subscriber(u->manager)) - return; - if (!u->sent_dbus_new_signal) bus_unit_send_change_signal(u); if (!u->id) return; - p = unit_dbus_path(u); - if (!p) - goto oom; - - m = dbus_message_new_signal("/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "UnitRemoved"); - if (!m) - goto oom; - - if (!dbus_message_append_args(m, - DBUS_TYPE_STRING, &u->id, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID)) - goto oom; - - if (bus_broadcast(u->manager, m) < 0) - goto oom; - - return; - -oom: - log_oom(); + r = bus_manager_foreach_client(u->manager, send_removed_signal, u); + if (r < 0) + log_warning("Failed to send unit change signal for %s: %s", u->id, strerror(-r)); } -DBusHandlerResult bus_unit_queue_job( - DBusConnection *connection, - DBusMessage *message, +int bus_unit_queue_job( + sd_bus *bus, + sd_bus_message *message, Unit *u, JobType type, JobMode mode, bool reload_if_possible) { - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_free_ char *path = NULL; Job *j; - JobBusClient *cl; - DBusError error; int r; - assert(connection); + assert(bus); assert(message); assert(u); assert(type >= 0 && type < _JOB_TYPE_MAX); assert(mode >= 0 && mode < _JOB_MODE_MAX); - dbus_error_init(&error); - if (reload_if_possible && unit_can_reload(u)) { if (type == JOB_RESTART) type = JOB_RELOAD_OR_START; @@ -776,85 +748,61 @@ DBusHandlerResult bus_unit_queue_job( type = JOB_RELOAD; } - SELINUX_UNIT_ACCESS_CHECK(u, connection, message, + SELINUX_UNIT_ACCESS_CHECK(u, bus, message, (type == JOB_START || type == JOB_RESTART || type == JOB_TRY_RESTART) ? "start" : type == JOB_STOP ? "stop" : "reload"); - if (type == JOB_STOP && (u->load_state == UNIT_NOT_FOUND || u->load_state == UNIT_ERROR) && unit_active_state(u) == UNIT_INACTIVE) { - dbus_set_error(&error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id); - return bus_send_error_reply(connection, message, &error, -EPERM); - } + if (type == JOB_STOP && + (u->load_state == UNIT_NOT_FOUND || u->load_state == UNIT_ERROR) && + unit_active_state(u) == UNIT_INACTIVE) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", u->id); if ((type == JOB_START && u->refuse_manual_start) || (type == JOB_STOP && u->refuse_manual_stop) || - ((type == JOB_RESTART || type == JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop))) { - dbus_set_error(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, - "Operation refused, unit %s may be requested by dependency only.", u->id); - return bus_send_error_reply(connection, message, &error, -EPERM); - } + ((type == JOB_RESTART || type == JOB_TRY_RESTART) && (u->refuse_manual_start || u->refuse_manual_stop))) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, unit %s may be requested by dependency only.", u->id); r = manager_add_job(u->manager, type, u, mode, true, &error, &j); if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - cl = job_bus_client_new(connection, bus_message_get_sender_with_fallback(message)); - if (!cl) - goto oom; - - LIST_PREPEND(client, j->bus_client_list, cl); + return sd_bus_reply_method_errno(bus, message, r, &error); - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; + r = bus_client_track(&j->subscribed, bus, sd_bus_message_get_sender(message)); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); path = job_dbus_path(j); if (!path) - goto oom; - - if (!dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_INVALID)) - goto oom; - - if (!bus_maybe_send_reply(connection, message, reply)) - goto oom; - - return DBUS_HANDLER_RESULT_HANDLED; - -oom: - dbus_error_free(&error); + return sd_bus_reply_method_errno(bus, message, r, NULL); - return DBUS_HANDLER_RESULT_NEED_MEMORY; + return sd_bus_reply_method_return(bus, message, "o", path); } static int bus_unit_set_transient_property( Unit *u, const char *name, - DBusMessageIter *i, + sd_bus_message *message, UnitSetPropertiesMode mode, - DBusError *error) { + sd_bus_error *error) { int r; assert(u); assert(name); - assert(i); + assert(message); if (streq(name, "Description")) { - if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) - return -EINVAL; - - if (mode != UNIT_CHECK) { - const char *description; + const char *d; - dbus_message_iter_get_basic(i, &description); + r = sd_bus_message_read(message, "s", &d); + if (r < 0) + return r; - r = unit_set_description(u, description); + if (mode != UNIT_CHECK) { + r = unit_set_description(u, d); if (r < 0) return r; - unit_write_drop_in_format(u, mode, name, "[Unit]\nDescription=%s\n", description); + unit_write_drop_in_format(u, mode, name, "[Unit]\nDescription=%s\n", d); } return 1; @@ -862,10 +810,12 @@ static int bus_unit_set_transient_property( } else if (streq(name, "Slice") && unit_get_cgroup_context(u)) { const char *s; - if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_STRING) - return -EINVAL; + r = sd_bus_message_read(message, "s", &s); + if (r < 0) + return r; - dbus_message_iter_get_basic(i, &s); + if (!unit_name_is_valid(s, false) || !endswith(s, ".slice")) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid slice name %s", s); if (isempty(s)) { if (mode != UNIT_CHECK) { @@ -905,24 +855,19 @@ static int bus_unit_set_transient_property( streq(name, "PartOf")) { UnitDependency d; - DBusMessageIter sub; + const char *other; d = unit_dependency_from_string(name); if (d < 0) return -EINVAL; - if (dbus_message_iter_get_arg_type(i) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(i) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_recurse(i, &sub); - while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING) { - const char *other; - - dbus_message_iter_get_basic(&sub, &other); + r = sd_bus_message_enter_container(message, 'a', "s"); + if (r < 0) + return r; + while ((r = sd_bus_message_read(message, "s", &other)) > 0) { if (!unit_name_is_valid(other, false)) - return -EINVAL; + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit name %s", other); if (mode != UNIT_CHECK) { _cleanup_free_ char *label = NULL; @@ -938,8 +883,9 @@ static int bus_unit_set_transient_property( unit_write_drop_in_format(u, mode, label, "[Unit]\n%s=%s\n", name, other); } - dbus_message_iter_next(&sub); } + if (r < 0) + return r; return 1; } @@ -949,18 +895,17 @@ static int bus_unit_set_transient_property( int bus_unit_set_properties( Unit *u, - DBusMessageIter *iter, + sd_bus_message *message, UnitSetPropertiesMode mode, bool commit, - DBusError *error) { + sd_bus_error *error) { bool for_real = false; - DBusMessageIter sub; unsigned n = 0; int r; assert(u); - assert(iter); + assert(message); if (u->transient) mode &= UNIT_RUNTIME; @@ -970,52 +915,54 @@ int bus_unit_set_properties( * it. This is to implement transaction-like behaviour without * actually providing full transactions. */ - if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY || - dbus_message_iter_get_element_type(iter) != DBUS_TYPE_STRUCT) - return -EINVAL; + r = sd_bus_message_enter_container(message, 'a', "(sv)"); + if (r < 0) + return r; - dbus_message_iter_recurse(iter, &sub); for (;;) { - DBusMessageIter sub2, sub3; const char *name; - if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_INVALID) { - + r = sd_bus_message_enter_container(message, 'r', "sv"); + if (r < 0) + return r; + if (r == 0) { if (for_real || mode == UNIT_CHECK) break; /* Reached EOF. Let's try again, and this time for realz... */ - dbus_message_iter_recurse(iter, &sub); + r = sd_bus_message_rewind(message, false); + if (r < 0) + return r; for_real = true; continue; } - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) - return -EINVAL; - - dbus_message_iter_recurse(&sub, &sub2); + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return r; - if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 || - dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) - return -EINVAL; + if (!UNIT_VTABLE(u)->bus_set_property) + return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Objects of this type do not support setting properties."); - if (!UNIT_VTABLE(u)->bus_set_property) { - dbus_set_error(error, DBUS_ERROR_PROPERTY_READ_ONLY, "Objects of this type do not support setting properties."); - return -ENOENT; - } + r = sd_bus_message_enter_container(message, 'v', NULL); + if (r < 0) + return r; - dbus_message_iter_recurse(&sub2, &sub3); - r = UNIT_VTABLE(u)->bus_set_property(u, name, &sub3, for_real ? mode : UNIT_CHECK, error); + r = UNIT_VTABLE(u)->bus_set_property(u, name, message, for_real ? mode : UNIT_CHECK, error); if (r == 0 && u->transient && u->load_state == UNIT_STUB) - r = bus_unit_set_transient_property(u, name, &sub3, for_real ? mode : UNIT_CHECK, error); + r = bus_unit_set_transient_property(u, name, message, for_real ? mode : UNIT_CHECK, error); + if (r < 0) + return r; + if (r == 0) + return sd_bus_error_setf(error, SD_BUS_ERROR_PROPERTY_READ_ONLY, "Cannot set property %s, or unknown property.", name); + + r = sd_bus_message_exit_container(message); if (r < 0) return r; - if (r == 0) { - dbus_set_error(error, DBUS_ERROR_PROPERTY_READ_ONLY, "Cannot set property %s, or unknown property.", name); - return -ENOENT; - } - dbus_message_iter_next(&sub); + r = sd_bus_message_exit_container(message); + if (r < 0) + return r; n += for_real; } @@ -1025,76 +972,3 @@ int bus_unit_set_properties( return n; } - -const BusProperty bus_unit_properties[] = { - { "Id", bus_property_append_string, "s", offsetof(Unit, id), true }, - { "Names", bus_unit_append_names, "as", 0 }, - { "Following", bus_unit_append_following, "s", 0 }, - { "Requires", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUIRES]), true }, - { "RequiresOverridable", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUIRES_OVERRIDABLE]), true }, - { "Requisite", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUISITE]), true }, - { "RequisiteOverridable", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUISITE_OVERRIDABLE]), true }, - { "Wants", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_WANTS]), true }, - { "BindsTo", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_BINDS_TO]), true }, - { "PartOf", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_PART_OF]), true }, - { "RequiredBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUIRED_BY]), true }, - { "RequiredByOverridable", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_REQUIRED_BY_OVERRIDABLE]), true }, - { "WantedBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_WANTED_BY]), true }, - { "BoundBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_BOUND_BY]), true }, - { "ConsistsOf", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_CONSISTS_OF]), true }, - { "Conflicts", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_CONFLICTS]), true }, - { "ConflictedBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_CONFLICTED_BY]), true }, - { "Before", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_BEFORE]), true }, - { "After", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_AFTER]), true }, - { "OnFailure", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_ON_FAILURE]), true }, - { "Triggers", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_TRIGGERS]), true }, - { "TriggeredBy", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_TRIGGERED_BY]), true }, - { "PropagatesReloadTo", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_PROPAGATES_RELOAD_TO]), true }, - { "ReloadPropagatedFrom", bus_unit_append_dependencies, "as", offsetof(Unit, dependencies[UNIT_RELOAD_PROPAGATED_FROM]), true }, - { "RequiresMountsFor", bus_property_append_strv, "as", offsetof(Unit, requires_mounts_for), true }, - { "Documentation", bus_property_append_strv, "as", offsetof(Unit, documentation), true }, - { "Description", bus_unit_append_description, "s", 0 }, - { "LoadState", bus_unit_append_load_state, "s", offsetof(Unit, load_state) }, - { "ActiveState", bus_unit_append_active_state, "s", 0 }, - { "SubState", bus_unit_append_sub_state, "s", 0 }, - { "FragmentPath", bus_property_append_string, "s", offsetof(Unit, fragment_path), true }, - { "SourcePath", bus_property_append_string, "s", offsetof(Unit, source_path), true }, - { "DropInPaths", bus_property_append_strv, "as", offsetof(Unit, dropin_paths), true }, - { "UnitFileState", bus_unit_append_file_state, "s", 0 }, - { "InactiveExitTimestamp", bus_property_append_usec, "t", offsetof(Unit, inactive_exit_timestamp.realtime) }, - { "InactiveExitTimestampMonotonic", bus_property_append_usec, "t", offsetof(Unit, inactive_exit_timestamp.monotonic) }, - { "ActiveEnterTimestamp", bus_property_append_usec, "t", offsetof(Unit, active_enter_timestamp.realtime) }, - { "ActiveEnterTimestampMonotonic", bus_property_append_usec, "t", offsetof(Unit, active_enter_timestamp.monotonic) }, - { "ActiveExitTimestamp", bus_property_append_usec, "t", offsetof(Unit, active_exit_timestamp.realtime) }, - { "ActiveExitTimestampMonotonic", bus_property_append_usec, "t", offsetof(Unit, active_exit_timestamp.monotonic) }, - { "InactiveEnterTimestamp", bus_property_append_usec, "t", offsetof(Unit, inactive_enter_timestamp.realtime) }, - { "InactiveEnterTimestampMonotonic", bus_property_append_usec, "t", offsetof(Unit, inactive_enter_timestamp.monotonic) }, - { "CanStart", bus_unit_append_can_start, "b", 0 }, - { "CanStop", bus_unit_append_can_stop, "b", 0 }, - { "CanReload", bus_unit_append_can_reload, "b", 0 }, - { "CanIsolate", bus_unit_append_can_isolate, "b", 0 }, - { "Job", bus_unit_append_job, "(uo)", 0 }, - { "StopWhenUnneeded", bus_property_append_bool, "b", offsetof(Unit, stop_when_unneeded) }, - { "RefuseManualStart", bus_property_append_bool, "b", offsetof(Unit, refuse_manual_start) }, - { "RefuseManualStop", bus_property_append_bool, "b", offsetof(Unit, refuse_manual_stop) }, - { "AllowIsolate", bus_property_append_bool, "b", offsetof(Unit, allow_isolate) }, - { "DefaultDependencies", bus_property_append_bool, "b", offsetof(Unit, default_dependencies) }, - { "OnFailureIsolate", bus_property_append_bool, "b", offsetof(Unit, on_failure_isolate) }, - { "IgnoreOnIsolate", bus_property_append_bool, "b", offsetof(Unit, ignore_on_isolate) }, - { "IgnoreOnSnapshot", bus_property_append_bool, "b", offsetof(Unit, ignore_on_snapshot) }, - { "NeedDaemonReload", bus_unit_append_need_daemon_reload, "b", 0 }, - { "JobTimeoutUSec", bus_property_append_usec, "t", offsetof(Unit, job_timeout) }, - { "ConditionTimestamp", bus_property_append_usec, "t", offsetof(Unit, condition_timestamp.realtime) }, - { "ConditionTimestampMonotonic", bus_property_append_usec, "t", offsetof(Unit, condition_timestamp.monotonic) }, - { "ConditionResult", bus_property_append_bool, "b", offsetof(Unit, condition_result) }, - { "Conditions", bus_property_append_condition_list, "a(sbbsi)", offsetof(Unit, conditions) }, - { "LoadError", bus_unit_append_load_error, "(ss)", 0 }, - { "Transient", bus_property_append_bool, "b", offsetof(Unit, transient) }, - {} -}; - -const BusProperty bus_unit_cgroup_properties[] = { - { "Slice", bus_unit_append_slice, "s", 0 }, - { "ControlGroup", bus_property_append_string, "s", offsetof(Unit, cgroup_path), true }, - {} -};