f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include <sys/epoll.h>

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include <errno.h>

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include <unistd.h>

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "sd-bus.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "log.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "strv.h"

9eb977db5b89b44f254ab40c1876a76b7d7ea2d0Kay Sievers#include "mkdir.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "missing.h"

a5c32cff1f56afe6f0c6c70d91a88a7a8238b2d7Harald Hoyer#include "dbus-unit.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "dbus-job.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "dbus-manager.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "dbus-execute.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "dbus-kill.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "dbus-cgroup.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "special.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "dbus.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "bus-util.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "bus-error.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "bus-common-errors.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "strxcpyx.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "bus-internal.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#include "selinux-access.h"

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#define CONNECTIONS_MAX 4096

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

2b6bf07dd23bb467099d213c97b3875c5e453491Zbigniew Jędrzejewski-Szmekstatic void destroy_bus(Manager *m, sd_bus **bus);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringint bus_send_queued_message(Manager *m) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(m);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (!m->queued_message)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering /* If we cannot get rid of this message we won't dispatch any

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_send(NULL, m->queued_message, NULL);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering log_warning_errno(r, "Failed to send queued message: %m");

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering m->queued_message = sd_bus_message_unref(m->queued_message);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering}

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poetteringstatic int signal_agent_released(sd_bus_message *message, void *userdata, sd_bus_error *error) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Manager *m = userdata;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering const char *cgroup;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(message);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(m);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_message_read(message, "s", &cgroup);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0) {

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering bus_log_parse_error(r);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering }

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering manager_notify_cgroup_empty(m, cgroup);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

d2e54fae5ca7a0f71b5ac8b356a589ff0a09ea0aKay Sievers /* only forward to system bus if running as system instance */

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (m->running_as != MANAGER_SYSTEM || !m->system_bus)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_message_rewind(message, 1);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering goto exit;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_send(m->system_bus, message, NULL);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringexit:

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering log_warning_errno(r, "Failed to forward Released message: %m");

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering return 0;

90b2de37b80603168f4e9c9c81cff7eea4efa21aZbigniew Jędrzejewski-Szmek}

90b2de37b80603168f4e9c9c81cff7eea4efa21aZbigniew Jędrzejewski-Szmek

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int signal_disconnected(sd_bus_message *message, void *userdata, sd_bus_error *error) {

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering Manager *m = userdata;

90b2de37b80603168f4e9c9c81cff7eea4efa21aZbigniew Jędrzejewski-Szmek sd_bus *bus;

90b2de37b80603168f4e9c9c81cff7eea4efa21aZbigniew Jędrzejewski-Szmek

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(message);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(m);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering assert_se(bus = sd_bus_message_get_bus(message));

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (bus == m->api_bus)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering destroy_bus(m, &m->api_bus);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (bus == m->system_bus)

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering destroy_bus(m, &m->system_bus);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (set_remove(m->private_buses, bus)) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering log_debug("Got disconnect on private connection.");

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering destroy_bus(m, &bus);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering }

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering}

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int signal_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error) {

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering const char *name, *old_owner, *new_owner;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Manager *m = userdata;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(message);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(m);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_message_read(message, "sss", &name, &old_owner, &new_owner);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering bus_log_parse_error(r);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering }

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering manager_dispatch_bus_name_owner_changed(

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering m, name,

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering isempty(old_owner) ? NULL : old_owner,

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering isempty(new_owner) ? NULL : new_owner);

90b2de37b80603168f4e9c9c81cff7eea4efa21aZbigniew Jędrzejewski-Szmek

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering}

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int signal_activation_request(sd_bus_message *message, void *userdata, sd_bus_error *ret_error) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Manager *m = userdata;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering const char *name;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Unit *u;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering assert(message);

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering assert(m);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering r = sd_bus_message_read(message, "s", &name);

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering if (r < 0) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering bus_log_parse_error(r);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering }

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (manager_unit_inactive_or_pending(m, SPECIAL_DBUS_SERVICE) ||

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering manager_unit_inactive_or_pending(m, SPECIAL_DBUS_SOCKET)) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_error_setf(&error, BUS_ERROR_SHUTTING_DOWN, "Refusing activation, D-Bus is shutting down.");

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering goto failed;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering }

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = manager_load_unit(m, name, NULL, &error, &u);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering goto failed;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering if (u->refuse_manual_start) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_error_setf(&error, BUS_ERROR_ONLY_BY_DEPENDENCY, "Operation refused, %s may be requested by dependency only.", u->id);

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering goto failed;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering }

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = manager_add_job(m, JOB_START, u, JOB_REPLACE, true, &error, NULL);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering goto failed;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering /* Successfully queued, that's it for us */

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringfailed:

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (!sd_bus_error_is_set(&error))

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering sd_bus_error_set_errno(&error, r);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering log_debug("D-Bus activation failed for %s: %s", name, bus_error_message(&error, r));

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_message_new_signal(sd_bus_message_get_bus(message), &reply, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Activator", "ActivationFailure");

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering bus_log_create_error(r);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering }

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_message_append(reply, "sss", name, error.name, error.message);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering if (r < 0) {

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering bus_log_create_error(r);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return 0;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering }

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_send_to(NULL, reply, "org.freedesktop.DBus", NULL);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return log_error_errno(r, "Failed to respond with to bus activation request: %m");

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering}

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#ifdef HAVE_SELINUX

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int mac_selinux_filter(sd_bus_message *message, void *userdata, sd_bus_error *error) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Manager *m = userdata;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering const char *verb, *path;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Unit *u = NULL;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering Job *j;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(message);

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering /* Our own method calls are all protected individually with

a34faf579d2be139b0b9e8cd0c73ad4d918ef736Lukas Nykryn

a34faf579d2be139b0b9e8cd0c73ad4d918ef736Lukas Nykryn if (sd_bus_message_is_method_call(message, "org.freedesktop.DBus.Properties", "Set"))

a34faf579d2be139b0b9e8cd0c73ad4d918ef736Lukas Nykryn verb = "reload";

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering else if (sd_bus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", NULL) ||

a34faf579d2be139b0b9e8cd0c73ad4d918ef736Lukas Nykryn sd_bus_message_is_method_call(message, "org.freedesktop.DBus.Properties", NULL) ||

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering sd_bus_message_is_method_call(message, "org.freedesktop.DBus.ObjectManager", NULL) ||

a34faf579d2be139b0b9e8cd0c73ad4d918ef736Lukas Nykryn sd_bus_message_is_method_call(message, "org.freedesktop.DBus.Peer", NULL))

a34faf579d2be139b0b9e8cd0c73ad4d918ef736Lukas Nykryn verb = "status";

a34faf579d2be139b0b9e8cd0c73ad4d918ef736Lukas Nykryn else

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return 0;

a34faf579d2be139b0b9e8cd0c73ad4d918ef736Lukas Nykryn

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering path = sd_bus_message_get_path(message);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (object_path_startswith("/org/freedesktop/systemd1", path)) {

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering r = mac_selinux_access_check(message, verb, error);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering }

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (streq_ptr(path, "/org/freedesktop/systemd1/unit/self")) {

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering pid_t pid;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_creds_get_pid(creds, &pid);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering u = manager_get_unit_by_pid(m, pid);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering } else {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = manager_get_job_from_dbus_path(m, path, &j);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r >= 0)

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering u = j->unit;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering else

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering manager_load_unit_from_dbus_path(m, path, NULL, &u);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering }

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering if (!u)

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return 0;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering r = mac_selinux_unit_access_check(u, message, verb, error);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering if (r < 0)

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return r;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return 0;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering}

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering#endif

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int bus_job_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Manager *m = userdata;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Job *j;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(bus);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(path);

d2e54fae5ca7a0f71b5ac8b356a589ff0a09ea0aKay Sievers assert(interface);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(found);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(m);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering r = manager_get_job_from_dbus_path(m, path, &j);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering *found = j;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 1;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering}

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int find_unit(Manager *m, sd_bus *bus, const char *path, Unit **unit, sd_bus_error *error) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Unit *u;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(m);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering assert(bus);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(path);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering if (streq_ptr(path, "/org/freedesktop/systemd1/unit/self")) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering sd_bus_message *message;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering pid_t pid;

718db96199eb307751264e4163555662c9a389faLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering message = sd_bus_get_current_message(bus);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering if (!message)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = sd_bus_creds_get_pid(creds, &pid);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (r < 0)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering u = manager_get_unit_by_pid(m, pid);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering } else {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering r = manager_load_unit_from_dbus_path(m, path, error, &u);

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering if (r < 0)

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering return 0;

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering }

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (!u)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering *unit = u;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 1;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering}

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int bus_unit_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Manager *m = userdata;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(bus);

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering assert(path);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(interface);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(found);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(m);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return find_unit(m, bus, path, (Unit**) found, error);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering}

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poetteringstatic int bus_unit_interface_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering Manager *m = userdata;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Unit *u;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(bus);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(path);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(interface);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(found);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(m);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

2c4f86c1298f402220965682ab0e7729e150a562Lennart Poettering r = find_unit(m, bus, path, &u, error);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering if (r <= 0)

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering return r;

2c4f86c1298f402220965682ab0e7729e150a562Lennart Poettering

2c4f86c1298f402220965682ab0e7729e150a562Lennart Poettering if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))

2c4f86c1298f402220965682ab0e7729e150a562Lennart Poettering return 0;

2c4f86c1298f402220965682ab0e7729e150a562Lennart Poettering

2c4f86c1298f402220965682ab0e7729e150a562Lennart Poettering *found = u;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering return 1;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering}

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poetteringstatic int bus_unit_cgroup_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering Manager *m = userdata;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering Unit *u;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering int r;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

409133be63387fc04d927e8aecd2f6ba03d2f143Lennart Poettering assert(bus);

409133be63387fc04d927e8aecd2f6ba03d2f143Lennart Poettering assert(path);

85a428c69465b047731b6abb5005f01824f1444eLennart Poettering assert(interface);

85a428c69465b047731b6abb5005f01824f1444eLennart Poettering assert(found);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(m);

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering r = find_unit(m, bus, path, &u, error);

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering if (r <= 0)

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering return r;

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering return 0;

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering

cc3773810855956bad92337cee8fa193584ab62eLennart Poettering if (!unit_get_cgroup_context(u))

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering return 0;

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering *found = u;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering return 1;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering}

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering

409133be63387fc04d927e8aecd2f6ba03d2f143Lennart Poetteringstatic int bus_cgroup_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {

409133be63387fc04d927e8aecd2f6ba03d2f143Lennart Poettering Manager *m = userdata;

409133be63387fc04d927e8aecd2f6ba03d2f143Lennart Poettering CGroupContext *c;

409133be63387fc04d927e8aecd2f6ba03d2f143Lennart Poettering Unit *u;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering int r;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering assert(bus);

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering assert(path);

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering assert(interface);

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering assert(found);

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering assert(m);

85a428c69465b047731b6abb5005f01824f1444eLennart Poettering

85a428c69465b047731b6abb5005f01824f1444eLennart Poettering r = find_unit(m, bus, path, &u, error);

85a428c69465b047731b6abb5005f01824f1444eLennart Poettering if (r <= 0)

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering return r;

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering return 0;

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering c = unit_get_cgroup_context(u);

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering if (!c)

c7b5eb98e8eeafe63a079ee3c51e9670872437aeLennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

ec202eae8e84a4c99f054f771cb832046cb8769fShawn Landden *found = c;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering return 1;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering}

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int bus_exec_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Manager *m = userdata;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering ExecContext *c;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering Unit *u;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering int r;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(bus);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(path);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(interface);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(found);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering assert(m);

8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering

8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering r = find_unit(m, bus, path, &u, error);

8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering if (r <= 0)

8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering return r;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering return 0;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering c = unit_get_exec_context(u);

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering if (!c)

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering return 0;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering *found = c;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 1;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering}

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poetteringstatic int bus_kill_context_find(sd_bus *bus, const char *path, const char *interface, void *userdata, void **found, sd_bus_error *error) {

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Manager *m = userdata;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering KillContext *c;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering Unit *u;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering int r;

641906e9366891e0ad3e6e38b7396a427678c4cfThomas Hindoe Paaboel Andersen

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(bus);

641906e9366891e0ad3e6e38b7396a427678c4cfThomas Hindoe Paaboel Andersen assert(path);

4943c1c94ba751c98763f4232b4350481b22c90aLennart Poettering assert(interface);

641906e9366891e0ad3e6e38b7396a427678c4cfThomas Hindoe Paaboel Andersen assert(found);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering assert(m);

641906e9366891e0ad3e6e38b7396a427678c4cfThomas Hindoe Paaboel Andersen

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering r = find_unit(m, bus, path, &u, error);

641906e9366891e0ad3e6e38b7396a427678c4cfThomas Hindoe Paaboel Andersen if (r <= 0)

8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering return r;

641906e9366891e0ad3e6e38b7396a427678c4cfThomas Hindoe Paaboel Andersen

8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering if (!streq_ptr(interface, UNIT_VTABLE(u)->bus_interface))

641906e9366891e0ad3e6e38b7396a427678c4cfThomas Hindoe Paaboel Andersen return 0;

beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering c = unit_get_kill_context(u);

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering if (!c)

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 0;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering *found = c;

f8e2fb7b14e53f5a4bcfd66d26910af1dee185c6Lennart Poettering return 1;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering}

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poetteringstatic int bus_job_enumerate(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering _cleanup_free_ char **l = NULL;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering Manager *m = userdata;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering unsigned k = 0;

eecd1362f7f4de432483b5d77c56726c3621a83aLennart Poettering Iterator i;

Job *j;

l = new0(char*, hashmap_size(m->jobs)+1);

if (!l)

return -ENOMEM;

HASHMAP_FOREACH(j, m->jobs, i) {

l[k] = job_dbus_path(j);

if (!l[k])

return -ENOMEM;

k++;

}

assert(hashmap_size(m->jobs) == k);

*nodes = l;

l = NULL;

return k;

}

static int bus_unit_enumerate(sd_bus *bus, const char *path, void *userdata, char ***nodes, sd_bus_error *error) {

_cleanup_free_ char **l = NULL;

Manager *m = userdata;

unsigned k = 0;

Iterator i;

Unit *u;

l = new0(char*, hashmap_size(m->units)+1);

if (!l)

return -ENOMEM;

HASHMAP_FOREACH(u, m->units, i) {

l[k] = unit_dbus_path(u);

if (!l[k])

return -ENOMEM;

k++;

}

*nodes = l;

l = NULL;

return k;

}

static int bus_setup_api_vtables(Manager *m, sd_bus *bus) {

UnitType t;

int r;

assert(m);

assert(bus);

#ifdef HAVE_SELINUX

r = sd_bus_add_filter(bus, NULL, mac_selinux_filter, m);

if (r < 0)

return log_error_errno(r, "Failed to add SELinux access filter: %m");

#endif

r = sd_bus_add_object_vtable(bus, NULL, "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", bus_manager_vtable, m);

if (r < 0)

return log_error_errno(r, "Failed to register Manager vtable: %m");

r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/job", "org.freedesktop.systemd1.Job", bus_job_vtable, bus_job_find, m);

if (r < 0)

return log_error_errno(r, "Failed to register Job vtable: %m");

r = sd_bus_add_node_enumerator(bus, NULL, "/org/freedesktop/systemd1/job", bus_job_enumerate, m);

if (r < 0)

return log_error_errno(r, "Failed to add job enumerator: %m");

r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", "org.freedesktop.systemd1.Unit", bus_unit_vtable, bus_unit_find, m);

if (r < 0)

return log_error_errno(r, "Failed to register Unit vtable: %m");

r = sd_bus_add_node_enumerator(bus, NULL, "/org/freedesktop/systemd1/unit", bus_unit_enumerate, m);

if (r < 0)

return log_error_errno(r, "Failed to add job enumerator: %m");

for (t = 0; t < _UNIT_TYPE_MAX; t++) {

r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, unit_vtable[t]->bus_vtable, bus_unit_interface_find, m);

if (r < 0)

return log_error_errno(r, "Failed to register type specific vtable for %s: %m", unit_vtable[t]->bus_interface);

if (unit_vtable[t]->cgroup_context_offset > 0) {

r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, bus_unit_cgroup_vtable, bus_unit_cgroup_find, m);

if (r < 0)

return log_error_errno(r, "Failed to register control group unit vtable for %s: %m", unit_vtable[t]->bus_interface);

r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, bus_cgroup_vtable, bus_cgroup_context_find, m);

if (r < 0)

return log_error_errno(r, "Failed to register control group vtable for %s: %m", unit_vtable[t]->bus_interface);

}

if (unit_vtable[t]->exec_context_offset > 0) {

r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, bus_exec_vtable, bus_exec_context_find, m);

if (r < 0)

return log_error_errno(r, "Failed to register execute vtable for %s: %m", unit_vtable[t]->bus_interface);

}

if (unit_vtable[t]->kill_context_offset > 0) {

r = sd_bus_add_fallback_vtable(bus, NULL, "/org/freedesktop/systemd1/unit", unit_vtable[t]->bus_interface, bus_kill_vtable, bus_kill_context_find, m);

if (r < 0)

return log_error_errno(r, "Failed to register kill vtable for %s: %m", unit_vtable[t]->bus_interface);

}

}

return 0;

}

static int bus_setup_disconnected_match(Manager *m, sd_bus *bus) {

int r;

assert(m);

assert(bus);

r = sd_bus_add_match(

bus,

NULL,

"sender='org.freedesktop.DBus.Local',"

"type='signal',"

"path='/org/freedesktop/DBus/Local',"

"interface='org.freedesktop.DBus.Local',"

"member='Disconnected'",

signal_disconnected, m);

if (r < 0)

return log_error_errno(r, "Failed to register match for Disconnected message: %m");

return 0;

}

static int bus_on_connection(sd_event_source *s, int fd, uint32_t revents, void *userdata) {

_cleanup_bus_unref_ sd_bus *bus = NULL;

_cleanup_close_ int nfd = -1;

Manager *m = userdata;

sd_id128_t id;

int r;

assert(s);

assert(m);

nfd = accept4(fd, NULL, NULL, SOCK_NONBLOCK|SOCK_CLOEXEC);

if (nfd < 0) {

log_warning_errno(errno, "Failed to accept private connection, ignoring: %m");

return 0;

}

if (set_size(m->private_buses) >= CONNECTIONS_MAX) {

log_warning("Too many concurrent connections, refusing");

return 0;

}

r = set_ensure_allocated(&m->private_buses, NULL);

if (r < 0) {

log_oom();

return 0;

}

r = sd_bus_new(&bus);

if (r < 0) {

log_warning_errno(r, "Failed to allocate new private connection bus: %m");

return 0;

}

r = sd_bus_set_fd(bus, nfd, nfd);

if (r < 0) {

log_warning_errno(r, "Failed to set fd on new connection bus: %m");

return 0;

}

nfd = -1;

r = bus_check_peercred(bus);

if (r < 0) {

log_warning_errno(r, "Incoming private connection from unprivileged client, refusing: %m");

return 0;

}

assert_se(sd_id128_randomize(&id) >= 0);

r = sd_bus_set_server(bus, 1, id);

if (r < 0) {

log_warning_errno(r, "Failed to enable server support for new connection bus: %m");

return 0;

}

r = sd_bus_negotiate_creds(bus, 1,

SD_BUS_CREDS_PID|SD_BUS_CREDS_UID|

SD_BUS_CREDS_EUID|SD_BUS_CREDS_EFFECTIVE_CAPS|

SD_BUS_CREDS_SELINUX_CONTEXT);

if (r < 0) {

log_warning_errno(r, "Failed to enable credentials for new connection: %m");

return 0;

}

r = sd_bus_start(bus);

if (r < 0) {

log_warning_errno(r, "Failed to start new connection bus: %m");

return 0;

}

r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL);

if (r < 0) {

log_warning_errno(r, "Failed to attach new connection bus to event loop: %m");

return 0;

}

if (m->running_as == MANAGER_SYSTEM) {

/* When we run as system instance we get the Released

r = sd_bus_add_match(

bus,

NULL,

"type='signal',"

"interface='org.freedesktop.systemd1.Agent',"

"member='Released',"

"path='/org/freedesktop/systemd1/agent'",

signal_agent_released, m);

if (r < 0) {

log_warning_errno(r, "Failed to register Released match on new connection bus: %m");

return 0;

}

}

r = bus_setup_disconnected_match(m, bus);

if (r < 0)

return 0;

r = bus_setup_api_vtables(m, bus);

if (r < 0) {

log_warning_errno(r, "Failed to set up API vtables on new connection bus: %m");

return 0;

}

r = set_put(m->private_buses, bus);

if (r < 0) {

log_warning_errno(r, "Failed to add new connection bus to set: %m");

return 0;

}

bus = NULL;

log_debug("Accepted new private connection.");

return 0;

}

static int bus_list_names(Manager *m, sd_bus *bus) {

_cleanup_strv_free_ char **names = NULL;

char **i;

int r;

assert(m);

assert(bus);

r = sd_bus_list_names(bus, &names, NULL);

if (r < 0)

return log_error_errno(r, "Failed to get initial list of names: %m");

/* This is a bit hacky, we say the owner of the name is the

STRV_FOREACH(i, names)

manager_dispatch_bus_name_owner_changed(m, *i, NULL, *i);

return 0;

}

static int bus_setup_api(Manager *m, sd_bus *bus) {

int r;

assert(m);

assert(bus);

/* Let's make sure we have enough credential bits so that we can make security and selinux decisions */

r = sd_bus_negotiate_creds(bus, 1,

SD_BUS_CREDS_PID|SD_BUS_CREDS_UID|

SD_BUS_CREDS_EUID|SD_BUS_CREDS_EFFECTIVE_CAPS|

SD_BUS_CREDS_SELINUX_CONTEXT);

if (r < 0)

log_warning_errno(r, "Failed to enable credential passing, ignoring: %m");

r = bus_setup_api_vtables(m, bus);

if (r < 0)

return r;

r = sd_bus_add_match(

bus,

NULL,

"type='signal',"

"sender='org.freedesktop.DBus',"

"path='/org/freedesktop/DBus',"

"interface='org.freedesktop.DBus',"

"member='NameOwnerChanged'",

signal_name_owner_changed, m);

if (r < 0)

log_warning_errno(r, "Failed to subscribe to NameOwnerChanged signal: %m");

r = sd_bus_add_match(

bus,

NULL,

"type='signal',"

"sender='org.freedesktop.DBus',"

"path='/org/freedesktop/DBus',"

"interface='org.freedesktop.systemd1.Activator',"

"member='ActivationRequest'",

signal_activation_request, m);

if (r < 0)

log_warning_errno(r, "Failed to subscribe to activation signal: %m");

/* Allow replacing of our name, to ease implementation of

r = sd_bus_request_name(bus,"org.freedesktop.systemd1", SD_BUS_NAME_REPLACE_EXISTING|SD_BUS_NAME_ALLOW_REPLACEMENT);

if (r < 0)

return log_error_errno(r, "Failed to register name: %m");

bus_list_names(m, bus);

log_debug("Successfully connected to API bus.");

return 0;

}

static int bus_init_api(Manager *m) {

_cleanup_bus_unref_ sd_bus *bus = NULL;

int r;

if (m->api_bus)

return 0;

/* The API and system bus is the same if we are running in system mode */

if (m->running_as == MANAGER_SYSTEM && m->system_bus)

bus = sd_bus_ref(m->system_bus);

else {

if (m->running_as == MANAGER_SYSTEM)

r = sd_bus_open_system(&bus);

else

r = sd_bus_open_user(&bus);

if (r < 0) {

log_debug("Failed to connect to API bus, retrying later...");

return 0;

}

r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL);

if (r < 0) {

log_error_errno(r, "Failed to attach API bus to event loop: %m");

return 0;

}

r = bus_setup_disconnected_match(m, bus);

if (r < 0)

return 0;

}

r = bus_setup_api(m, bus);

if (r < 0) {

log_error_errno(r, "Failed to set up API bus: %m");

return 0;

}

m->api_bus = bus;

bus = NULL;

return 0;

}

static int bus_setup_system(Manager *m, sd_bus *bus) {

int r;

assert(m);

assert(bus);

/* On kdbus or if we are a user instance we get the Released message via the system bus */

if (m->running_as == MANAGER_USER || m->kdbus_fd >= 0) {

r = sd_bus_add_match(

bus,

NULL,

"type='signal',"

"interface='org.freedesktop.systemd1.Agent',"

"member='Released',"

"path='/org/freedesktop/systemd1/agent'",

signal_agent_released, m);

if (r < 0)

log_warning_errno(r, "Failed to register Released match on system bus: %m");

}

log_debug("Successfully connected to system bus.");

return 0;

}

static int bus_init_system(Manager *m) {

_cleanup_bus_unref_ sd_bus *bus = NULL;

int r;

if (m->system_bus)

return 0;

/* The API and system bus is the same if we are running in system mode */

if (m->running_as == MANAGER_SYSTEM && m->api_bus) {

m->system_bus = sd_bus_ref(m->api_bus);

return 0;

}

r = sd_bus_open_system(&bus);

if (r < 0) {

log_debug("Failed to connect to system bus, retrying later...");

return 0;

}

r = bus_setup_disconnected_match(m, bus);

if (r < 0)

return 0;

r = sd_bus_attach_event(bus, m->event, SD_EVENT_PRIORITY_NORMAL);

if (r < 0) {

log_error_errno(r, "Failed to attach system bus to event loop: %m");

return 0;

}

r = bus_setup_system(m, bus);

if (r < 0) {

log_error_errno(r, "Failed to set up system bus: %m");

return 0;

}

m->system_bus = bus;

bus = NULL;

return 0;

}

static int bus_init_private(Manager *m) {

_cleanup_close_ int fd = -1;

union sockaddr_union sa = {

.un.sun_family = AF_UNIX

};

sd_event_source *s;

socklen_t salen;

int r;

assert(m);

if (m->private_listen_fd >= 0)

return 0;

/* We don't need the private socket if we have kdbus */

if (m->kdbus_fd >= 0)

return 0;

if (m->running_as == MANAGER_SYSTEM) {

/* We want the private bus only when running as init */

if (getpid() != 1)

return 0;

strcpy(sa.un.sun_path, "/run/systemd/private");

salen = offsetof(union sockaddr_union, un.sun_path) + strlen("/run/systemd/private");

} else {

size_t left = sizeof(sa.un.sun_path);

char *p = sa.un.sun_path;

const char *e;

e = secure_getenv("XDG_RUNTIME_DIR");

if (!e) {

log_error("Failed to determine XDG_RUNTIME_DIR");

return -EHOSTDOWN;

}

left = strpcpy(&p, left, e);

left = strpcpy(&p, left, "/systemd/private");

salen = sizeof(sa.un) - left;

}

(void) mkdir_parents_label(sa.un.sun_path, 0755);

(void) unlink(sa.un.sun_path);

fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);

if (fd < 0)

return log_error_errno(errno, "Failed to allocate private socket: %m");

r = bind(fd, &sa.sa, salen);

if (r < 0)

return log_error_errno(errno, "Failed to bind private socket: %m");

r = listen(fd, SOMAXCONN);

if (r < 0)

return log_error_errno(errno, "Failed to make private socket listening: %m");

r = sd_event_add_io(m->event, &s, fd, EPOLLIN, bus_on_connection, m);

if (r < 0)

return log_error_errno(r, "Failed to allocate event source: %m");

(void) sd_event_source_set_description(s, "bus-connection");

m->private_listen_fd = fd;

m->private_listen_event_source = s;

fd = -1;

log_debug("Successfully created private D-Bus server.");

return 0;

}

int bus_init(Manager *m, bool try_bus_connect) {

int r;

if (try_bus_connect) {

r = bus_init_system(m);

if (r < 0)

return r;

r = bus_init_api(m);

if (r < 0)

return r;

}

r = bus_init_private(m);

if (r < 0)

return r;

return 0;

}

static void destroy_bus(Manager *m, sd_bus **bus) {

Iterator i;

Job *j;

assert(m);

assert(bus);

if (!*bus)

return;

/* Get rid of tracked clients on this bus */

if (m->subscribed && sd_bus_track_get_bus(m->subscribed) == *bus)

m->subscribed = sd_bus_track_unref(m->subscribed);

HASHMAP_FOREACH(j, m->jobs, i)

if (j->clients && sd_bus_track_get_bus(j->clients) == *bus)

j->clients = sd_bus_track_unref(j->clients);

/* Get rid of queued message on this bus */

if (m->queued_message && sd_bus_message_get_bus(m->queued_message) == *bus)

m->queued_message = sd_bus_message_unref(m->queued_message);

/* Possibly flush unwritten data, but only if we are

if (m->running_as != MANAGER_SYSTEM)

sd_bus_flush(*bus);

/* And destroy the object */

sd_bus_close(*bus);

*bus = sd_bus_unref(*bus);

}

void bus_done(Manager *m) {

sd_bus *b;

assert(m);

if (m->api_bus)

destroy_bus(m, &m->api_bus);

if (m->system_bus)

destroy_bus(m, &m->system_bus);

while ((b = set_steal_first(m->private_buses)))

destroy_bus(m, &b);

set_free(m->private_buses);

m->private_buses = NULL;

m->subscribed = sd_bus_track_unref(m->subscribed);

strv_free(m->deserialized_subscribed);

m->deserialized_subscribed = NULL;

if (m->private_listen_event_source)

m->private_listen_event_source = sd_event_source_unref(m->private_listen_event_source);

m->private_listen_fd = safe_close(m->private_listen_fd);

bus_verify_polkit_async_registry_free(m->polkit_registry);

}

int bus_fdset_add_all(Manager *m, FDSet *fds) {

Iterator i;

sd_bus *b;

int fd;

assert(m);

assert(fds);

/* When we are about to reexecute we add all D-Bus fds to the

if (m->api_bus) {

fd = sd_bus_get_fd(m->api_bus);

if (fd >= 0) {

fd = fdset_put_dup(fds, fd);

if (fd < 0)

return fd;

}

}

SET_FOREACH(b, m->private_buses, i) {

fd = sd_bus_get_fd(b);

if (fd >= 0) {

fd = fdset_put_dup(fds, fd);

if (fd < 0)

return fd;

}

}

/* We don't offer any APIs on the system bus (well, unless it

return 0;

}

int bus_foreach_bus(

Manager *m,

sd_bus_track *subscribed2,

int (*send_message)(sd_bus *bus, void *userdata),

void *userdata) {

Iterator i;

sd_bus *b;

int r, ret = 0;

/* Send to all direct buses, unconditionally */

SET_FOREACH(b, m->private_buses, i) {

r = send_message(b, userdata);

if (r < 0)

ret = r;

}

/* Send to API bus, but only if somebody is subscribed */

if (sd_bus_track_count(m->subscribed) > 0 ||

sd_bus_track_count(subscribed2) > 0) {

r = send_message(m->api_bus, userdata);

if (r < 0)

ret = r;

}

return ret;

}

void bus_track_serialize(sd_bus_track *t, FILE *f) {

const char *n;

assert(f);

for (n = sd_bus_track_first(t); n; n = sd_bus_track_next(t))

fprintf(f, "subscribed=%s\n", n);

}

int bus_track_deserialize_item(char ***l, const char *line) {

const char *e;

int r;

assert(l);

assert(line);

e = startswith(line, "subscribed=");

if (!e)

return 0;

r = strv_extend(l, e);

if (r < 0)

return r;

return 1;

}

int bus_track_coldplug(Manager *m, sd_bus_track **t, char ***l) {

int r = 0;

assert(m);

assert(t);

assert(l);

if (!strv_isempty(*l) && m->api_bus) {

char **i;

if (!*t) {

r = sd_bus_track_new(m->api_bus, t, NULL, NULL);

if (r < 0)

return r;

}

r = 0;

STRV_FOREACH(i, *l) {

int k;

k = sd_bus_track_add_name(*t, *i);

if (k < 0)

r = k;

}

}

strv_free(*l);

*l = NULL;

return r;

}

int bus_verify_manage_units_async(Manager *m, sd_bus_message *call, sd_bus_error *error) {

return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.manage-units", false, UID_INVALID, &m->polkit_registry, error);

}

int bus_verify_manage_units_async_for_kill(Manager *m, sd_bus_message *call, sd_bus_error *error) {

return bus_verify_polkit_async(call, CAP_KILL, "org.freedesktop.systemd1.manage-units", false, UID_INVALID, &m->polkit_registry, error);

}

int bus_verify_manage_unit_files_async(Manager *m, sd_bus_message *call, sd_bus_error *error) {

return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.manage-unit-files", false, UID_INVALID, &m->polkit_registry, error);

}

int bus_verify_reload_daemon_async(Manager *m, sd_bus_message *call, sd_bus_error *error) {

return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.reload-daemon", false, UID_INVALID, &m->polkit_registry, error);

}

int bus_verify_set_environment_async(Manager *m, sd_bus_message *call, sd_bus_error *error) {

return bus_verify_polkit_async(call, CAP_SYS_ADMIN, "org.freedesktop.systemd1.set-environment", false, UID_INVALID, &m->polkit_registry, error);

}