| /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
| |
| /*** |
| This file is part of systemd. |
| |
| Copyright 2010 Lennart Poettering |
| |
| systemd is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or |
| (at your option) any later version. |
| |
| systemd is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <errno.h> |
| #include <unistd.h> |
| |
| #include "log.h" |
| #include "strv.h" |
| #include "build.h" |
| #include "install.h" |
| #include "selinux-access.h" |
| #include "watchdog.h" |
| #include "clock-util.h" |
| #include "path-util.h" |
| #include "virt.h" |
| #include "architecture.h" |
| #include "env-util.h" |
| #include "dbus.h" |
| #include "dbus-manager.h" |
| #include "dbus-unit.h" |
| #include "dbus-snapshot.h" |
| #include "dbus-execute.h" |
| #include "bus-errors.h" |
| |
| static int property_get_version( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| assert(bus); |
| assert(reply); |
| |
| return sd_bus_message_append(reply, "s", PACKAGE_VERSION); |
| } |
| |
| static int property_get_features( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| assert(bus); |
| assert(reply); |
| |
| return sd_bus_message_append(reply, "s", SYSTEMD_FEATURES); |
| } |
| |
| static int property_get_virtualization( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| const char *id = NULL; |
| |
| assert(bus); |
| assert(reply); |
| |
| detect_virtualization(&id); |
| |
| return sd_bus_message_append(reply, "s", id); |
| } |
| |
| static int property_get_architecture( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| assert(bus); |
| assert(reply); |
| |
| return sd_bus_message_append(reply, "s", architecture_to_string(uname_architecture())); |
| } |
| |
| static int property_get_tainted( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| char buf[sizeof("split-usr:mtab-not-symlink:cgroups-missing:local-hwclock:")] = "", *e = buf; |
| _cleanup_free_ char *p = NULL; |
| Manager *m = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(m); |
| |
| if (m->taint_usr) |
| e = stpcpy(e, "split-usr:"); |
| |
| if (readlink_malloc("/etc/mtab", &p) < 0) |
| e = stpcpy(e, "mtab-not-symlink:"); |
| |
| if (access("/proc/cgroups", F_OK) < 0) |
| e = stpcpy(e, "cgroups-missing:"); |
| |
| if (clock_is_localtime() > 0) |
| e = stpcpy(e, "local-hwclock:"); |
| |
| /* remove the last ':' */ |
| if (e != buf) |
| e[-1] = 0; |
| |
| return sd_bus_message_append(reply, "s", buf); |
| } |
| |
| static int property_get_log_target( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| assert(bus); |
| assert(reply); |
| |
| return sd_bus_message_append(reply, "s", log_target_to_string(log_get_target())); |
| } |
| |
| static int property_set_log_target( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *value, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| const char *t; |
| int r; |
| |
| assert(bus); |
| assert(value); |
| |
| r = sd_bus_message_read(value, "s", &t); |
| if (r < 0) |
| return r; |
| |
| return log_set_target_from_string(t); |
| } |
| |
| static int property_get_log_level( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| _cleanup_free_ char *t = NULL; |
| int r; |
| |
| assert(bus); |
| assert(reply); |
| |
| r = log_level_to_string_alloc(log_get_max_level(), &t); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_append(reply, "s", t); |
| } |
| |
| static int property_set_log_level( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *value, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| const char *t; |
| int r; |
| |
| assert(bus); |
| assert(value); |
| |
| r = sd_bus_message_read(value, "s", &t); |
| if (r < 0) |
| return r; |
| |
| return log_set_max_level_from_string(t); |
| } |
| |
| static int property_get_n_names( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| Manager *m = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(m); |
| |
| return sd_bus_message_append(reply, "u", (uint32_t) hashmap_size(m->units)); |
| } |
| |
| static int property_get_n_failed_units( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| Manager *m = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(m); |
| |
| return sd_bus_message_append(reply, "u", (uint32_t) set_size(m->failed_units)); |
| } |
| |
| static int property_get_n_jobs( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| Manager *m = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(m); |
| |
| return sd_bus_message_append(reply, "u", (uint32_t) hashmap_size(m->jobs)); |
| } |
| |
| static int property_get_progress( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| Manager *m = userdata; |
| double d; |
| |
| assert(bus); |
| assert(reply); |
| assert(m); |
| |
| if (dual_timestamp_is_set(&m->finish_timestamp)) |
| d = 1.0; |
| else |
| d = 1.0 - ((double) hashmap_size(m->jobs) / (double) m->n_installed_jobs); |
| |
| return sd_bus_message_append(reply, "d", d); |
| } |
| |
| static int property_get_system_state( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *reply, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| Manager *m = userdata; |
| |
| assert(bus); |
| assert(reply); |
| assert(m); |
| |
| return sd_bus_message_append(reply, "s", manager_state_to_string(manager_state(m))); |
| } |
| |
| static int property_set_runtime_watchdog( |
| sd_bus *bus, |
| const char *path, |
| const char *interface, |
| const char *property, |
| sd_bus_message *value, |
| void *userdata, |
| sd_bus_error *error) { |
| |
| usec_t *t = userdata; |
| int r; |
| |
| assert(bus); |
| assert(value); |
| |
| assert_cc(sizeof(usec_t) == sizeof(uint64_t)); |
| |
| r = sd_bus_message_read(value, "t", t); |
| if (r < 0) |
| return r; |
| |
| return watchdog_set_timeout(t); |
| } |
| |
| static int method_get_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_free_ char *path = NULL; |
| Manager *m = userdata; |
| const char *name; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "s", &name); |
| if (r < 0) |
| return r; |
| |
| u = manager_get_unit(m, name); |
| if (!u) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s not loaded.", name); |
| |
| r = selinux_unit_access_check(u, message, "status", error); |
| if (r < 0) |
| return r; |
| |
| path = unit_dbus_path(u); |
| if (!path) |
| return -ENOMEM; |
| |
| return sd_bus_reply_method_return(message, "o", path); |
| } |
| |
| static int method_get_unit_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_free_ char *path = NULL; |
| Manager *m = userdata; |
| pid_t pid; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| assert_cc(sizeof(pid_t) == sizeof(uint32_t)); |
| |
| r = sd_bus_message_read(message, "u", &pid); |
| if (r < 0) |
| return r; |
| |
| if (pid == 0) { |
| _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; |
| |
| r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_creds_get_pid(creds, &pid); |
| if (r < 0) |
| return r; |
| } |
| |
| u = manager_get_unit_by_pid(m, pid); |
| if (!u) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_UNIT_FOR_PID, "PID %u does not belong to any loaded unit.", pid); |
| |
| r = selinux_unit_access_check(u, message, "status", error); |
| if (r < 0) |
| return r; |
| |
| path = unit_dbus_path(u); |
| if (!path) |
| return -ENOMEM; |
| |
| return sd_bus_reply_method_return(message, "o", path); |
| } |
| |
| static int method_load_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_free_ char *path = NULL; |
| Manager *m = userdata; |
| const char *name; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "s", &name); |
| if (r < 0) |
| return r; |
| |
| r = manager_load_unit(m, name, NULL, error, &u); |
| if (r < 0) |
| return r; |
| |
| r = selinux_unit_access_check(u, message, "status", error); |
| if (r < 0) |
| return r; |
| |
| path = unit_dbus_path(u); |
| if (!path) |
| return -ENOMEM; |
| |
| return sd_bus_reply_method_return(message, "o", path); |
| } |
| |
| static int method_start_unit_generic(sd_bus *bus, sd_bus_message *message, Manager *m, JobType job_type, bool reload_if_possible, sd_bus_error *error) { |
| const char *name; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "s", &name); |
| if (r < 0) |
| return r; |
| |
| r = manager_load_unit(m, name, NULL, error, &u); |
| if (r < 0) |
| return r; |
| |
| return bus_unit_method_start_generic(bus, message, u, job_type, reload_if_possible, error); |
| } |
| |
| static int method_start_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_start_unit_generic(bus, message, userdata, JOB_START, false, error); |
| } |
| |
| static int method_stop_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_start_unit_generic(bus, message, userdata, JOB_STOP, false, error); |
| } |
| |
| static int method_reload_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_start_unit_generic(bus, message, userdata, JOB_RELOAD, false, error); |
| } |
| |
| static int method_restart_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_start_unit_generic(bus, message, userdata, JOB_RESTART, false, error); |
| } |
| |
| static int method_try_restart_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_start_unit_generic(bus, message, userdata, JOB_TRY_RESTART, false, error); |
| } |
| |
| static int method_reload_or_restart_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_start_unit_generic(bus, message, userdata, JOB_RESTART, true, error); |
| } |
| |
| static int method_reload_or_try_restart_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_start_unit_generic(bus, message, userdata, JOB_TRY_RESTART, true, error); |
| } |
| |
| static int method_start_unit_replace(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| const char *old_name; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "s", &old_name); |
| if (r < 0) |
| return r; |
| |
| u = manager_get_unit(m, old_name); |
| if (!u || !u->job || u->job->type != JOB_START) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "No job queued for unit %s", old_name); |
| |
| return method_start_unit_generic(bus, message, m, JOB_START, false, error); |
| } |
| |
| static int method_kill_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| const char *name; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "s", &name); |
| if (r < 0) |
| return r; |
| |
| u = manager_get_unit(m, name); |
| if (!u) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name); |
| |
| return bus_unit_method_kill(bus, message, u, error); |
| } |
| |
| static int method_reset_failed_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| const char *name; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "s", &name); |
| if (r < 0) |
| return r; |
| |
| u = manager_get_unit(m, name); |
| if (!u) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name); |
| |
| return bus_unit_method_reset_failed(bus, message, u, error); |
| } |
| |
| static int method_set_unit_properties(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| const char *name; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "s", &name); |
| if (r < 0) |
| return r; |
| |
| u = manager_get_unit(m, name); |
| if (!u) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not loaded.", name); |
| |
| return bus_unit_method_set_properties(bus, message, u, error); |
| } |
| |
| static int method_start_transient_unit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| const char *name, *smode; |
| Manager *m = userdata; |
| JobMode mode; |
| UnitType t; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "ss", &name, &smode); |
| if (r < 0) |
| return r; |
| |
| t = unit_name_to_type(name); |
| if (t < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid unit type."); |
| |
| if (!unit_vtable[t]->can_transient) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unit type %s does not support transient units.", unit_type_to_string(t)); |
| |
| mode = job_mode_from_string(smode); |
| if (mode < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Job mode %s is invalid.", smode); |
| |
| r = selinux_access_check(message, "start", error); |
| if (r < 0) |
| return r; |
| |
| r = manager_load_unit(m, name, NULL, error, &u); |
| if (r < 0) |
| return r; |
| |
| if (u->load_state != UNIT_NOT_FOUND || set_size(u->dependencies[UNIT_REFERENCED_BY]) > 0) |
| return sd_bus_error_setf(error, BUS_ERROR_UNIT_EXISTS, "Unit %s already exists.", name); |
| |
| /* OK, the unit failed to load and is unreferenced, now let's |
| * fill in the transient data instead */ |
| r = unit_make_transient(u); |
| if (r < 0) |
| return r; |
| |
| /* Set our properties */ |
| r = bus_unit_set_properties(u, message, UNIT_RUNTIME, false, error); |
| if (r < 0) |
| return r; |
| |
| /* And load this stub fully */ |
| r = unit_load(u); |
| if (r < 0) |
| return r; |
| |
| manager_dispatch_load_queue(m); |
| |
| /* Finally, start it */ |
| return bus_unit_queue_job(bus, message, u, JOB_START, mode, false, error); |
| } |
| |
| static int method_get_job(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_free_ char *path = NULL; |
| Manager *m = userdata; |
| uint32_t id; |
| Job *j; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "u", &id); |
| if (r < 0) |
| return r; |
| |
| j = manager_get_job(m, id); |
| if (!j) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id); |
| |
| r = selinux_unit_access_check(j->unit, message, "status", error); |
| if (r < 0) |
| return r; |
| |
| path = job_dbus_path(j); |
| if (!path) |
| return -ENOMEM; |
| |
| return sd_bus_reply_method_return(message, "o", path); |
| } |
| |
| static int method_cancel_job(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| uint32_t id; |
| Job *j; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read(message, "u", &id); |
| if (r < 0) |
| return r; |
| |
| j = manager_get_job(m, id); |
| if (!j) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_JOB, "Job %u does not exist.", (unsigned) id); |
| |
| r = selinux_unit_access_check(j->unit, message, "stop", error); |
| if (r < 0) |
| return r; |
| |
| job_finish_and_invalidate(j, JOB_CANCELED, true); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_clear_jobs(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reboot", error); |
| if (r < 0) |
| return r; |
| |
| manager_clear_jobs(m); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_reset_failed(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reload", error); |
| if (r < 0) |
| return r; |
| |
| manager_reset_failed(m); |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int list_units_filtered(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error, char **states) { |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| Manager *m = userdata; |
| const char *k; |
| Iterator i; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "status", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_new_method_return(message, &reply); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_open_container(reply, 'a', "(ssssssouso)"); |
| if (r < 0) |
| return r; |
| |
| HASHMAP_FOREACH_KEY(u, k, m->units, i) { |
| _cleanup_free_ char *unit_path = NULL, *job_path = NULL; |
| Unit *following; |
| |
| if (k != u->id) |
| continue; |
| |
| following = unit_following(u); |
| |
| if (!strv_isempty(states) && |
| !strv_contains(states, unit_load_state_to_string(u->load_state)) && |
| !strv_contains(states, unit_active_state_to_string(unit_active_state(u))) && |
| !strv_contains(states, unit_sub_state_to_string(u))) |
| continue; |
| |
| unit_path = unit_dbus_path(u); |
| if (!unit_path) |
| return -ENOMEM; |
| |
| if (u->job) { |
| job_path = job_dbus_path(u->job); |
| if (!job_path) |
| return -ENOMEM; |
| } |
| |
| r = sd_bus_message_append( |
| reply, "(ssssssouso)", |
| u->id, |
| unit_description(u), |
| unit_load_state_to_string(u->load_state), |
| unit_active_state_to_string(unit_active_state(u)), |
| unit_sub_state_to_string(u), |
| following ? following->id : "", |
| unit_path, |
| u->job ? u->job->id : 0, |
| u->job ? job_type_to_string(u->job->type) : "", |
| job_path ? job_path : "/"); |
| if (r < 0) |
| return r; |
| } |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_send(bus, reply, NULL); |
| } |
| |
| static int method_list_units(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return list_units_filtered(bus, message, userdata, error, NULL); |
| } |
| |
| static int method_list_units_filtered(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_strv_free_ char **states = NULL; |
| int r; |
| |
| r = sd_bus_message_read_strv(message, &states); |
| if (r < 0) |
| return r; |
| |
| return list_units_filtered(bus, message, userdata, error, states); |
| } |
| |
| static int method_list_jobs(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| Manager *m = userdata; |
| Iterator i; |
| Job *j; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "status", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_new_method_return(message, &reply); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_open_container(reply, 'a', "(usssoo)"); |
| if (r < 0) |
| return r; |
| |
| HASHMAP_FOREACH(j, m->jobs, i) { |
| _cleanup_free_ char *unit_path = NULL, *job_path = NULL; |
| |
| job_path = job_dbus_path(j); |
| if (!job_path) |
| return -ENOMEM; |
| |
| unit_path = unit_dbus_path(j->unit); |
| if (!unit_path) |
| return -ENOMEM; |
| |
| r = sd_bus_message_append( |
| reply, "(usssoo)", |
| j->id, |
| j->unit->id, |
| job_type_to_string(j->type), |
| job_state_to_string(j->state), |
| job_path, |
| unit_path); |
| if (r < 0) |
| return r; |
| } |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_send(bus, reply, NULL); |
| } |
| |
| static int method_subscribe(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "status", error); |
| if (r < 0) |
| return r; |
| |
| if (bus == m->api_bus) { |
| |
| /* Note that direct bus connection subscribe by |
| * default, we only track peers on the API bus here */ |
| |
| if (!m->subscribed) { |
| r = sd_bus_track_new(bus, &m->subscribed, NULL, NULL); |
| if (r < 0) |
| return r; |
| } |
| |
| r = sd_bus_track_add_sender(m->subscribed, message); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return sd_bus_error_setf(error, BUS_ERROR_ALREADY_SUBSCRIBED, "Client is already subscribed."); |
| } |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_unsubscribe(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "status", error); |
| if (r < 0) |
| return r; |
| |
| if (bus == m->api_bus) { |
| r = sd_bus_track_remove_sender(m->subscribed, message); |
| if (r < 0) |
| return r; |
| if (r == 0) |
| return sd_bus_error_setf(error, BUS_ERROR_NOT_SUBSCRIBED, "Client is not subscribed."); |
| } |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_dump(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_free_ char *dump = NULL; |
| _cleanup_fclose_ FILE *f = NULL; |
| Manager *m = userdata; |
| size_t size; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "status", error); |
| if (r < 0) |
| return r; |
| |
| f = open_memstream(&dump, &size); |
| if (!f) |
| return -ENOMEM; |
| |
| manager_dump_units(m, f, NULL); |
| manager_dump_jobs(m, f, NULL); |
| |
| fflush(f); |
| |
| if (ferror(f)) |
| return -ENOMEM; |
| |
| return sd_bus_reply_method_return(message, "s", dump); |
| } |
| |
| static int method_create_snapshot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_free_ char *path = NULL; |
| Manager *m = userdata; |
| const char *name; |
| int cleanup; |
| Snapshot *s = NULL; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "start", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "sb", &name, &cleanup); |
| if (r < 0) |
| return r; |
| |
| if (isempty(name)) |
| name = NULL; |
| |
| r = snapshot_create(m, name, cleanup, error, &s); |
| if (r < 0) |
| return r; |
| |
| path = unit_dbus_path(UNIT(s)); |
| if (!path) |
| return -ENOMEM; |
| |
| return sd_bus_reply_method_return(message, "o", path); |
| } |
| |
| static int method_remove_snapshot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| const char *name; |
| Unit *u; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "stop", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "s", &name); |
| if (r < 0) |
| return r; |
| |
| u = manager_get_unit(m, name); |
| if (!u) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s does not exist.", name); |
| |
| if (u->type != UNIT_SNAPSHOT) |
| return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_UNIT, "Unit %s is not a snapshot", name); |
| |
| return bus_snapshot_method_remove(bus, message, u, error); |
| } |
| |
| static int method_reload(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reload", error); |
| if (r < 0) |
| return r; |
| |
| /* Instead of sending the reply back right away, we just |
| * remember that we need to and then send it after the reload |
| * is finished. That way the caller knows when the reload |
| * finished. */ |
| |
| assert(!m->queued_message); |
| r = sd_bus_message_new_method_return(message, &m->queued_message); |
| if (r < 0) |
| return r; |
| |
| m->queued_message_bus = sd_bus_ref(bus); |
| m->exit_code = MANAGER_RELOAD; |
| |
| return 1; |
| } |
| |
| static int method_reexecute(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reload", error); |
| if (r < 0) |
| return r; |
| |
| /* We don't send a reply back here, the client should |
| * just wait for us disconnecting. */ |
| |
| m->exit_code = MANAGER_REEXECUTE; |
| return 1; |
| } |
| |
| static int method_exit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "halt", error); |
| if (r < 0) |
| return r; |
| |
| if (m->running_as == SYSTEMD_SYSTEM) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Exit is only supported for user service managers."); |
| |
| m->exit_code = MANAGER_EXIT; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reboot", error); |
| if (r < 0) |
| return r; |
| |
| if (m->running_as != SYSTEMD_SYSTEM) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Reboot is only supported for system managers."); |
| |
| m->exit_code = MANAGER_REBOOT; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| |
| static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "halt", error); |
| if (r < 0) |
| return r; |
| |
| if (m->running_as != SYSTEMD_SYSTEM) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Powering off is only supported for system managers."); |
| |
| m->exit_code = MANAGER_POWEROFF; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_halt(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "halt", error); |
| if (r < 0) |
| return r; |
| |
| if (m->running_as != SYSTEMD_SYSTEM) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "Halt is only supported for system managers."); |
| |
| m->exit_code = MANAGER_HALT; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_kexec(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reboot", error); |
| if (r < 0) |
| return r; |
| |
| if (m->running_as != SYSTEMD_SYSTEM) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "KExec is only supported for system managers."); |
| |
| m->exit_code = MANAGER_KEXEC; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_switch_root(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| char *ri = NULL, *rt = NULL; |
| const char *root, *init; |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reboot", error); |
| if (r < 0) |
| return r; |
| |
| if (m->running_as != SYSTEMD_SYSTEM) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_NOT_SUPPORTED, "KExec is only supported for system managers."); |
| |
| r = sd_bus_message_read(message, "ss", &root, &init); |
| if (r < 0) |
| return r; |
| |
| if (path_equal(root, "/") || !path_is_absolute(root)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid switch root path %s", root); |
| |
| /* Safety check */ |
| if (isempty(init)) { |
| if (! path_is_os_tree(root)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified switch root path %s does not seem to be an OS tree. os-release file is missing.", root); |
| } else { |
| _cleanup_free_ char *p = NULL; |
| |
| if (!path_is_absolute(init)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid init path %s", init); |
| |
| p = strappend(root, init); |
| if (!p) |
| return -ENOMEM; |
| |
| if (access(p, X_OK) < 0) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Specified init binary %s does not exist.", p); |
| } |
| |
| rt = strdup(root); |
| if (!rt) |
| return -ENOMEM; |
| |
| if (!isempty(init)) { |
| ri = strdup(init); |
| if (!ri) { |
| free(rt); |
| return -ENOMEM; |
| } |
| } |
| |
| free(m->switch_root); |
| m->switch_root = rt; |
| |
| free(m->switch_root_init); |
| m->switch_root_init = ri; |
| |
| m->exit_code = MANAGER_SWITCH_ROOT; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_set_environment(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_strv_free_ char **plus = NULL; |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reload", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &plus); |
| if (r < 0) |
| return r; |
| if (!strv_env_is_valid(plus)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments"); |
| |
| r = manager_environment_add(m, NULL, plus); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_unset_environment(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_strv_free_ char **minus = NULL; |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reload", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &minus); |
| if (r < 0) |
| return r; |
| |
| if (!strv_env_name_or_assignment_is_valid(minus)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment variable names or assignments"); |
| |
| r = manager_environment_add(m, minus, NULL); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_unset_and_set_environment(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_strv_free_ char **minus = NULL, **plus = NULL; |
| Manager *m = userdata; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "reload", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &plus); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &minus); |
| if (r < 0) |
| return r; |
| |
| if (!strv_env_is_valid(plus)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment assignments"); |
| if (!strv_env_name_or_assignment_is_valid(minus)) |
| return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid environment variable names or assignments"); |
| |
| r = manager_environment_add(m, minus, plus); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_reply_method_return(message, NULL); |
| } |
| |
| static int method_list_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| Manager *m = userdata; |
| UnitFileList *item; |
| Hashmap *h; |
| Iterator i; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "status", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_new_method_return(message, &reply); |
| if (r < 0) |
| return r; |
| |
| h = hashmap_new(string_hash_func, string_compare_func); |
| if (!h) |
| return -ENOMEM; |
| |
| r = unit_file_get_list(m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER, NULL, h); |
| if (r < 0) |
| goto fail; |
| |
| r = sd_bus_message_open_container(reply, 'a', "(ss)"); |
| if (r < 0) |
| goto fail; |
| |
| HASHMAP_FOREACH(item, h, i) { |
| |
| r = sd_bus_message_append(reply, "(ss)", item->path, unit_file_state_to_string(item->state)); |
| if (r < 0) |
| goto fail; |
| } |
| |
| unit_file_list_free(h); |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_send(bus, reply, NULL); |
| |
| fail: |
| unit_file_list_free(h); |
| return r; |
| } |
| |
| static int method_get_unit_file_state(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| Manager *m = userdata; |
| const char *name; |
| UnitFileState state; |
| UnitFileScope scope; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "status", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "s", &name); |
| if (r < 0) |
| return r; |
| |
| scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| |
| state = unit_file_get_state(scope, NULL, name); |
| if (state < 0) |
| return state; |
| |
| return sd_bus_reply_method_return(message, "s", unit_file_state_to_string(state)); |
| } |
| |
| static int method_get_default_target(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| _cleanup_free_ char *default_target = NULL; |
| Manager *m = userdata; |
| UnitFileScope scope; |
| int r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "status", error); |
| if (r < 0) |
| return r; |
| |
| scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| |
| r = unit_file_get_default(scope, NULL, &default_target); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_reply_method_return(message, "s", default_target); |
| } |
| |
| static int send_unit_files_changed(sd_bus *bus, void *userdata) { |
| _cleanup_bus_message_unref_ sd_bus_message *message = NULL; |
| int r; |
| |
| assert(bus); |
| |
| r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "UnitFilesChanged"); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_send(bus, message, NULL); |
| } |
| |
| static int reply_unit_file_changes_and_free( |
| Manager *m, |
| sd_bus *bus, |
| sd_bus_message *message, |
| int carries_install_info, |
| UnitFileChange *changes, |
| unsigned n_changes) { |
| |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| unsigned i; |
| int r; |
| |
| if (n_changes > 0) { |
| r = bus_foreach_bus(m, NULL, send_unit_files_changed, NULL); |
| if (r < 0) |
| log_debug("Failed to send UnitFilesChanged signal: %s", strerror(-r)); |
| } |
| |
| r = sd_bus_message_new_method_return(message, &reply); |
| if (r < 0) |
| goto fail; |
| |
| if (carries_install_info >= 0) { |
| r = sd_bus_message_append(reply, "b", carries_install_info); |
| if (r < 0) |
| goto fail; |
| } |
| |
| r = sd_bus_message_open_container(reply, 'a', "(sss)"); |
| if (r < 0) |
| goto fail; |
| |
| for (i = 0; i < n_changes; i++) { |
| r = sd_bus_message_append( |
| reply, "(sss)", |
| unit_file_change_type_to_string(changes[i].type), |
| changes[i].path, |
| changes[i].source); |
| if (r < 0) |
| goto fail; |
| } |
| |
| r = sd_bus_message_close_container(reply); |
| if (r < 0) |
| goto fail; |
| |
| return sd_bus_send(bus, reply, NULL); |
| |
| fail: |
| unit_file_changes_free(changes, n_changes); |
| return r; |
| } |
| |
| static int method_enable_unit_files_generic( |
| sd_bus *bus, |
| sd_bus_message *message, |
| Manager *m, |
| const char *verb, |
| int (*call)(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], bool force, UnitFileChange **changes, unsigned *n_changes), |
| bool carries_install_info, |
| sd_bus_error *error) { |
| |
| _cleanup_strv_free_ char **l = NULL; |
| #ifdef HAVE_SELINUX |
| char **i; |
| #endif |
| UnitFileChange *changes = NULL; |
| unsigned n_changes = 0; |
| UnitFileScope scope; |
| int runtime, force, r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "bb", &runtime, &force); |
| if (r < 0) |
| return r; |
| |
| #ifdef HAVE_SELINUX |
| STRV_FOREACH(i, l) { |
| Unit *u; |
| |
| u = manager_get_unit(m, *i); |
| if (u) { |
| r = selinux_unit_access_check(u, message, verb, error); |
| if (r < 0) |
| return r; |
| } |
| } |
| #endif |
| |
| scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| |
| r = call(scope, runtime, NULL, l, force, &changes, &n_changes); |
| if (r < 0) |
| return r; |
| |
| return reply_unit_file_changes_and_free(m, bus, message, carries_install_info ? r : -1, changes, n_changes); |
| } |
| |
| static int method_enable_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_enable_unit_files_generic(bus, message, userdata, "enable", unit_file_enable, true, error); |
| } |
| |
| static int method_reenable_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_enable_unit_files_generic(bus, message, userdata, "enable", unit_file_reenable, true, error); |
| } |
| |
| static int method_link_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_enable_unit_files_generic(bus, message, userdata, "enable", unit_file_link, false, error); |
| } |
| |
| static int unit_file_preset_without_mode(UnitFileScope scope, bool runtime, const char *root_dir, char **files, bool force, UnitFileChange **changes, unsigned *n_changes) { |
| return unit_file_preset(scope, runtime, root_dir, files, UNIT_FILE_PRESET_FULL, force, changes, n_changes); |
| } |
| |
| static int method_preset_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_enable_unit_files_generic(bus, message, userdata, "enable", unit_file_preset_without_mode, true, error); |
| } |
| |
| static int method_mask_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_enable_unit_files_generic(bus, message, userdata, "disable", unit_file_mask, false, error); |
| } |
| |
| static int method_preset_unit_files_with_mode(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| |
| _cleanup_strv_free_ char **l = NULL; |
| #ifdef HAVE_SELINUX |
| char **i; |
| #endif |
| UnitFileChange *changes = NULL; |
| unsigned n_changes = 0; |
| Manager *m = userdata; |
| UnitFilePresetMode mm; |
| UnitFileScope scope; |
| int runtime, force, r; |
| const char *mode; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force); |
| if (r < 0) |
| return r; |
| |
| if (isempty(mode)) |
| mm = UNIT_FILE_PRESET_FULL; |
| else { |
| mm = unit_file_preset_mode_from_string(mode); |
| if (mm < 0) |
| return -EINVAL; |
| } |
| |
| #ifdef HAVE_SELINUX |
| STRV_FOREACH(i, l) { |
| Unit *u; |
| |
| u = manager_get_unit(m, *i); |
| if (u) { |
| r = selinux_unit_access_check(u, message, "enable", error); |
| if (r < 0) |
| return r; |
| } |
| } |
| #endif |
| |
| scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| |
| r = unit_file_preset(scope, runtime, NULL, l, mm, force, &changes, &n_changes); |
| if (r < 0) |
| return r; |
| |
| return reply_unit_file_changes_and_free(m, bus, message, r, changes, n_changes); |
| } |
| |
| static int method_disable_unit_files_generic( |
| sd_bus *bus, |
| sd_bus_message *message, |
| Manager *m, const |
| char *verb, |
| int (*call)(UnitFileScope scope, bool runtime, const char *root_dir, char *files[], UnitFileChange **changes, unsigned *n_changes), |
| sd_bus_error *error) { |
| |
| _cleanup_strv_free_ char **l = NULL; |
| UnitFileChange *changes = NULL; |
| unsigned n_changes = 0; |
| UnitFileScope scope; |
| int r, runtime; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, verb, error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read_strv(message, &l); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "b", &runtime); |
| if (r < 0) |
| return r; |
| |
| scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| |
| r = call(scope, runtime, NULL, l, &changes, &n_changes); |
| if (r < 0) |
| return r; |
| |
| return reply_unit_file_changes_and_free(m, bus, message, -1, changes, n_changes); |
| } |
| |
| static int method_disable_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_disable_unit_files_generic(bus, message, userdata, "disable", unit_file_disable, error); |
| } |
| |
| static int method_unmask_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| return method_disable_unit_files_generic(bus, message, userdata, "enable", unit_file_unmask, error); |
| } |
| |
| static int method_set_default_target(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| UnitFileChange *changes = NULL; |
| unsigned n_changes = 0; |
| Manager *m = userdata; |
| UnitFileScope scope; |
| const char *name; |
| int force, r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "enable", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "sb", &name, &force); |
| if (r < 0) |
| return r; |
| |
| scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| |
| r = unit_file_set_default(scope, NULL, name, force, &changes, &n_changes); |
| if (r < 0) |
| return r; |
| |
| return reply_unit_file_changes_and_free(m, bus, message, -1, changes, n_changes); |
| } |
| |
| static int method_preset_all_unit_files(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { |
| UnitFileChange *changes = NULL; |
| unsigned n_changes = 0; |
| Manager *m = userdata; |
| UnitFilePresetMode mm; |
| UnitFileScope scope; |
| const char *mode; |
| int force, runtime, r; |
| |
| assert(bus); |
| assert(message); |
| assert(m); |
| |
| r = selinux_access_check(message, "enable", error); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(message, "sbb", &mode, &runtime, &force); |
| if (r < 0) |
| return r; |
| |
| if (isempty(mode)) |
| mm = UNIT_FILE_PRESET_FULL; |
| else { |
| mm = unit_file_preset_mode_from_string(mode); |
| if (mm < 0) |
| return -EINVAL; |
| } |
| |
| scope = m->running_as == SYSTEMD_SYSTEM ? UNIT_FILE_SYSTEM : UNIT_FILE_USER; |
| |
| r = unit_file_preset_all(scope, runtime, NULL, mm, force, &changes, &n_changes); |
| if (r < 0) |
| return r; |
| |
| return reply_unit_file_changes_and_free(m, bus, message, -1, changes, n_changes); |
| } |
| |
| const sd_bus_vtable bus_manager_vtable[] = { |
| SD_BUS_VTABLE_START(0), |
| |
| SD_BUS_PROPERTY("Version", "s", property_get_version, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Features", "s", property_get_features, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Virtualization", "s", property_get_virtualization, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Architecture", "s", property_get_architecture, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("Tainted", "s", property_get_tainted, 0, SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("FirmwareTimestamp", offsetof(Manager, firmware_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("LoaderTimestamp", offsetof(Manager, loader_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("KernelTimestamp", offsetof(Manager, kernel_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("InitRDTimestamp", offsetof(Manager, initrd_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("UserspaceTimestamp", offsetof(Manager, userspace_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("FinishTimestamp", offsetof(Manager, finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("SecurityStartTimestamp", offsetof(Manager, security_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("SecurityFinishTimestamp", offsetof(Manager, security_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsStartTimestamp", offsetof(Manager, generators_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("GeneratorsFinishTimestamp", offsetof(Manager, generators_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadStartTimestamp", offsetof(Manager, units_load_start_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| BUS_PROPERTY_DUAL_TIMESTAMP("UnitsLoadFinishTimestamp", offsetof(Manager, units_load_finish_timestamp), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_WRITABLE_PROPERTY("LogLevel", "s", property_get_log_level, property_set_log_level, 0, 0), |
| SD_BUS_WRITABLE_PROPERTY("LogTarget", "s", property_get_log_target, property_set_log_target, 0, 0), |
| SD_BUS_PROPERTY("NNames", "u", property_get_n_names, 0, 0), |
| SD_BUS_PROPERTY("NFailedUnits", "u", property_get_n_failed_units, 0, 0), |
| SD_BUS_PROPERTY("NJobs", "u", property_get_n_jobs, 0, 0), |
| SD_BUS_PROPERTY("NInstalledJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_installed_jobs), 0), |
| SD_BUS_PROPERTY("NFailedJobs", "u", bus_property_get_unsigned, offsetof(Manager, n_failed_jobs), 0), |
| SD_BUS_PROPERTY("Progress", "d", property_get_progress, 0, 0), |
| SD_BUS_PROPERTY("Environment", "as", NULL, offsetof(Manager, environment), 0), |
| SD_BUS_PROPERTY("ConfirmSpawn", "b", bus_property_get_bool, offsetof(Manager, confirm_spawn), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ShowStatus", "b", bus_property_get_bool, offsetof(Manager, show_status), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("UnitPath", "as", NULL, offsetof(Manager, lookup_paths.unit_path), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("DefaultStandardOutput", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("DefaultStandardError", "s", bus_property_get_exec_output, offsetof(Manager, default_std_output), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_WRITABLE_PROPERTY("RuntimeWatchdogUSec", "t", bus_property_get_usec, property_set_runtime_watchdog, offsetof(Manager, runtime_watchdog), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_WRITABLE_PROPERTY("ShutdownWatchdogUSec", "t", bus_property_get_usec, bus_property_set_usec, offsetof(Manager, shutdown_watchdog), SD_BUS_VTABLE_PROPERTY_CONST), |
| SD_BUS_PROPERTY("ControlGroup", "s", NULL, offsetof(Manager, cgroup_root), 0), |
| SD_BUS_PROPERTY("SystemState", "s", property_get_system_state, 0, 0), |
| |
| SD_BUS_METHOD("GetUnit", "s", "o", method_get_unit, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("GetUnitByPID", "u", "o", method_get_unit_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("LoadUnit", "s", "o", method_load_unit, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("StartUnit", "ss", "o", method_start_unit, 0), |
| SD_BUS_METHOD("StartUnitReplace", "sss", "o", method_start_unit_replace, 0), |
| SD_BUS_METHOD("StopUnit", "ss", "o", method_stop_unit, 0), |
| SD_BUS_METHOD("ReloadUnit", "ss", "o", method_reload_unit, 0), |
| SD_BUS_METHOD("RestartUnit", "ss", "o", method_restart_unit, 0), |
| SD_BUS_METHOD("TryRestartUnit", "ss", "o", method_try_restart_unit, 0), |
| SD_BUS_METHOD("ReloadOrRestartUnit", "ss", "o", method_reload_or_restart_unit, 0), |
| SD_BUS_METHOD("ReloadOrTryRestartUnit", "ss", "o", method_reload_or_try_restart_unit, 0), |
| SD_BUS_METHOD("KillUnit", "ssi", NULL, method_kill_unit, SD_BUS_VTABLE_CAPABILITY(CAP_KILL)), |
| SD_BUS_METHOD("ResetFailedUnit", "s", NULL, method_reset_failed_unit, 0), |
| SD_BUS_METHOD("SetUnitProperties", "sba(sv)", NULL, method_set_unit_properties, 0), |
| SD_BUS_METHOD("StartTransientUnit", "ssa(sv)a(sa(sv))", "o", method_start_transient_unit, 0), |
| SD_BUS_METHOD("GetJob", "u", "o", method_get_job, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("CancelJob", "u", NULL, method_cancel_job, 0), |
| SD_BUS_METHOD("ClearJobs", NULL, NULL, method_clear_jobs, 0), |
| SD_BUS_METHOD("ResetFailed", NULL, NULL, method_reset_failed, 0), |
| SD_BUS_METHOD("ListUnits", NULL, "a(ssssssouso)", method_list_units, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("ListUnitsFiltered", "as", "a(ssssssouso)", method_list_units_filtered, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("ListJobs", NULL, "a(usssoo)", method_list_jobs, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("Subscribe", NULL, NULL, method_subscribe, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("Unsubscribe", NULL, NULL, method_unsubscribe, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("Dump", NULL, "s", method_dump, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("CreateSnapshot", "sb", "o", method_create_snapshot, 0), |
| SD_BUS_METHOD("RemoveSnapshot", "s", NULL, method_remove_snapshot, 0), |
| SD_BUS_METHOD("Reload", NULL, NULL, method_reload, 0), |
| SD_BUS_METHOD("Reexecute", NULL, NULL, method_reexecute, 0), |
| SD_BUS_METHOD("Exit", NULL, NULL, method_exit, 0), |
| SD_BUS_METHOD("Reboot", NULL, NULL, method_reboot, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), |
| SD_BUS_METHOD("PowerOff", NULL, NULL, method_poweroff, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), |
| SD_BUS_METHOD("Halt", NULL, NULL, method_halt, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), |
| SD_BUS_METHOD("KExec", NULL, NULL, method_kexec, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), |
| SD_BUS_METHOD("SwitchRoot", "ss", NULL, method_switch_root, SD_BUS_VTABLE_CAPABILITY(CAP_SYS_BOOT)), |
| SD_BUS_METHOD("SetEnvironment", "as", NULL, method_set_environment, 0), |
| SD_BUS_METHOD("UnsetEnvironment", "as", NULL, method_unset_environment, 0), |
| SD_BUS_METHOD("UnsetAndSetEnvironment", "asas", NULL, method_unset_and_set_environment, 0), |
| SD_BUS_METHOD("ListUnitFiles", NULL, "a(ss)", method_list_unit_files, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("GetUnitFileState", "s", "s", method_get_unit_file_state, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("EnableUnitFiles", "asbb", "ba(sss)", method_enable_unit_files, 0), |
| SD_BUS_METHOD("DisableUnitFiles", "asb", "a(sss)", method_disable_unit_files, 0), |
| SD_BUS_METHOD("ReenableUnitFiles", "asbb", "ba(sss)", method_reenable_unit_files, 0), |
| SD_BUS_METHOD("LinkUnitFiles", "asbb", "a(sss)", method_link_unit_files, 0), |
| SD_BUS_METHOD("PresetUnitFiles", "asbb", "ba(sss)", method_preset_unit_files, 0), |
| SD_BUS_METHOD("PresetUnitFilesWithMode", "assbb", "ba(sss)", method_preset_unit_files_with_mode, 0), |
| SD_BUS_METHOD("MaskUnitFiles", "asbb", "a(sss)", method_mask_unit_files, 0), |
| SD_BUS_METHOD("UnmaskUnitFiles", "asb", "a(sss)", method_unmask_unit_files, 0), |
| SD_BUS_METHOD("SetDefaultTarget", "sb", "a(sss)", method_set_default_target, 0), |
| SD_BUS_METHOD("GetDefaultTarget", NULL, "s", method_get_default_target, SD_BUS_VTABLE_UNPRIVILEGED), |
| SD_BUS_METHOD("PresetAllUnitFiles", "sbb", "a(sss)", method_preset_all_unit_files, 0), |
| |
| SD_BUS_SIGNAL("UnitNew", "so", 0), |
| SD_BUS_SIGNAL("UnitRemoved", "so", 0), |
| SD_BUS_SIGNAL("JobNew", "uos", 0), |
| SD_BUS_SIGNAL("JobRemoved", "uoss", 0), |
| SD_BUS_SIGNAL("StartupFinished", "tttttt", 0), |
| SD_BUS_SIGNAL("UnitFilesChanged", NULL, 0), |
| SD_BUS_SIGNAL("Reloading", "b", 0), |
| |
| SD_BUS_VTABLE_END |
| }; |
| |
| static int send_finished(sd_bus *bus, void *userdata) { |
| _cleanup_bus_message_unref_ sd_bus_message *message = NULL; |
| usec_t *times = userdata; |
| int r; |
| |
| assert(bus); |
| assert(times); |
| |
| r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartupFinished"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(message, "tttttt", times[0], times[1], times[2], times[3], times[4], times[5]); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_send(bus, message, NULL); |
| } |
| |
| void bus_manager_send_finished( |
| Manager *m, |
| usec_t firmware_usec, |
| usec_t loader_usec, |
| usec_t kernel_usec, |
| usec_t initrd_usec, |
| usec_t userspace_usec, |
| usec_t total_usec) { |
| |
| int r; |
| |
| assert(m); |
| |
| r = bus_foreach_bus( |
| m, |
| NULL, |
| send_finished, |
| (usec_t[6]) { |
| firmware_usec, |
| loader_usec, |
| kernel_usec, |
| initrd_usec, |
| userspace_usec, |
| total_usec |
| }); |
| if (r < 0) |
| log_debug("Failed to send finished signal: %s", strerror(-r)); |
| } |
| |
| static int send_reloading(sd_bus *bus, void *userdata) { |
| _cleanup_bus_message_unref_ sd_bus_message *message = NULL; |
| int r; |
| |
| assert(bus); |
| |
| r = sd_bus_message_new_signal(bus, &message, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "Reloading"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_append(message, "b", PTR_TO_INT(userdata)); |
| if (r < 0) |
| return r; |
| |
| return sd_bus_send(bus, message, NULL); |
| } |
| |
| void bus_manager_send_reloading(Manager *m, bool active) { |
| int r; |
| |
| assert(m); |
| |
| r = bus_foreach_bus(m, NULL, send_reloading, INT_TO_PTR(active)); |
| if (r < 0) |
| log_debug("Failed to send reloading signal: %s", strerror(-r)); |
| |
| } |