e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering#include <sys/mman.h>

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering#include "special.h"

24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering#include "formats-util.h"

24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering#include "signal-util.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering#include "bus-kernel.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering#include "bus-internal.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering#include "bus-util.h"

3c70e3bb022f0de3317f3600c9366a2f4597339eLennart Poettering#include "kdbus.h"

3c70e3bb022f0de3317f3600c9366a2f4597339eLennart Poettering#include "bus-policy.h"

24882e06c135584f16f31ba8a00fecde8b7f6fadLennart Poettering#include "service.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering#include "dbus-busname.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering#include "busname.h"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic const UnitActiveState state_translation_table[_BUSNAME_STATE_MAX] = {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_DEAD] = UNIT_INACTIVE,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_MAKING] = UNIT_ACTIVATING,

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack [BUSNAME_REGISTERED] = UNIT_ACTIVE,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_LISTENING] = UNIT_ACTIVE,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_RUNNING] = UNIT_ACTIVE,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_SIGTERM] = UNIT_DEACTIVATING,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_SIGKILL] = UNIT_DEACTIVATING,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_FAILED] = UNIT_FAILED

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering};

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int busname_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_init(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(u->load_state == UNIT_STUB);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->starter_fd = -1;

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering n->accept_fd = true;

4f10118016f9b2fd7e1d26c9ef7d91eb33fba694Lennart Poettering n->activating = true;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->timeout_usec = u->manager->default_timeout_start_usec;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void busname_unwatch_control_pid(BusName *n) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->control_pid <= 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering unit_unwatch_pid(UNIT(n), n->control_pid);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->control_pid = 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void busname_free_policy(BusName *n) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering BusNamePolicy *p;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering while ((p = n->policy)) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering LIST_REMOVE(policy, n->policy, p);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering free(p->name);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering free(p);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void busname_close_fd(BusName *n) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->starter_event_source = sd_event_source_unref(n->starter_event_source);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->starter_fd = safe_close(n->starter_fd);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_done(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a1e58e8ee1c84b633d6d6d651d5328d4dd4eba5bLennart Poettering free(n->name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->name = NULL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_free_policy(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_unwatch_control_pid(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_close_fd(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering unit_ref_unset(&n->service);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->timer_event_source = sd_event_source_unref(n->timer_event_source);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int busname_arm_timer(BusName *n) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->timeout_usec <= 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->timer_event_source = sd_event_source_unref(n->timer_event_source);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->timer_event_source) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_event_source_set_time(n->timer_event_source, now(CLOCK_MONOTONIC) + n->timeout_usec);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return sd_event_source_set_enabled(n->timer_event_source, SD_EVENT_ONESHOT);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

920b52e4909d9dc812817fd8b82f83ca23a11c91Thomas Hindoe Paaboel Andersen

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_event_add_time(

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering UNIT(n)->manager->event,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering &n->timer_event_source,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering CLOCK_MONOTONIC,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering now(CLOCK_MONOTONIC) + n->timeout_usec, 0,

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen busname_dispatch_timer, n);

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen if (r < 0)

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen return r;

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen (void) sd_event_source_set_description(n->timer_event_source, "busname-timer");

7dfbe2e3fc0215b49d8202a32beb6b1aae08c4e4Tom Gundersen

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_add_default_default_dependencies(BusName *n) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = unit_add_dependency_by_name(UNIT(n), UNIT_BEFORE, SPECIAL_BUSNAMES_TARGET, NULL, true);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

b2c23da8cea1987a1a329f5a964d3299b7ca7890Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (UNIT(n)->manager->running_as == MANAGER_SYSTEM) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = unit_add_two_dependencies_by_name(UNIT(n), UNIT_AFTER, UNIT_REQUIRES, SPECIAL_SYSINIT_TARGET, NULL, true);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return unit_add_two_dependencies_by_name(UNIT(n), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_SHUTDOWN_TARGET, NULL, true);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_add_extras(BusName *n) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering Unit *u = UNIT(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering if (!n->name) {

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering r = unit_name_to_prefix(u->id, &n->name);

7410616cd9dbbec97cf98d75324da5cda2b2f7a2Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!u->description) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = unit_set_description(u, n->name);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (n->activating) {

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (!UNIT_DEREF(n->service)) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering Unit *x;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack r = unit_load_related_unit(u, ".service", &x);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (r < 0)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack return r;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack unit_ref_set(&n->service, x);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack }

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = unit_add_two_dependencies(u, UNIT_BEFORE, UNIT_TRIGGERS, UNIT_DEREF(n->service), true);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (u->default_dependencies) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = busname_add_default_default_dependencies(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_verify(BusName *n) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering char *e;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (UNIT(n)->load_state != UNIT_LOADED)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (!service_name_is_valid(n->name)) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_error(UNIT(n), "Name= setting is not a valid service name Refusing.");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return -EINVAL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

63c372cb9df3bee01e3bf8cd7f96f336bddda846Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering e = strjoina(n->name, ".busname");

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (!unit_has_name(UNIT(n), e)) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_error(UNIT(n), "Name= setting doesn't match unit name. Refusing.");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return -EINVAL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_load(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(u->load_state == UNIT_STUB);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = unit_load_fragment_and_dropin(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (u->load_state == UNIT_LOADED) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering /* This is a new unit? Then let's add in some extras */

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = busname_add_extras(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return busname_verify(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_dump(Unit *u, FILE *f, const char *prefix) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(f);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering fprintf(f,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering "%sBus Name State: %s\n"

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering "%sResult: %s\n"

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack "%sName: %s\n"

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering "%sActivating: %s\n"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering "%sAccept FD: %s\n",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering prefix, busname_state_to_string(n->state),

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering prefix, busname_result_to_string(n->result),

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack prefix, n->name,

3f9da416457c4265b8f1179516a32ad1a987ff7dLennart Poettering prefix, yes_no(n->activating),

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering prefix, yes_no(n->accept_fd));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->control_pid > 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering fprintf(f,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering "%sControl PID: "PID_FMT"\n",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering prefix, n->control_pid);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_unwatch_fd(BusName *n) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!n->starter_event_source)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_event_source_set_enabled(n->starter_event_source, SD_EVENT_OFF);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_debug_errno(UNIT(n), r, "Failed to disable event source: %m");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_watch_fd(BusName *n) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (n->starter_fd < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->starter_event_source) {

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering r = sd_event_source_set_enabled(n->starter_event_source, SD_EVENT_ON);

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering if (r < 0)

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering } else {

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering r = sd_event_add_io(UNIT(n)->manager->event, &n->starter_event_source, n->starter_fd, EPOLLIN, busname_dispatch_io, n);

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering if (r < 0)

cfa9677bd164574600d29a9bf99f9d1f28a7a170Mantas Mikulėnas goto fail;

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering (void) sd_event_source_set_description(n->starter_event_source, "busname-starter");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering return 0;

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poetteringfail:

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering log_unit_warning_errno(UNIT(n), r, "Failed to watch starter fd: %m");

cbf60d0a7fda7bd6c0578a6cc151f798a0edfd02Lennart Poettering busname_unwatch_fd(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

8f077bf94e129fa1b6f0159e3140c4326f1066cfZbigniew Jędrzejewski-Szmekstatic int busname_open_fd(BusName *n) {

8f077bf94e129fa1b6f0159e3140c4326f1066cfZbigniew Jędrzejewski-Szmek _cleanup_free_ char *path = NULL;

8f077bf94e129fa1b6f0159e3140c4326f1066cfZbigniew Jędrzejewski-Szmek const char *mode;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (n->starter_fd >= 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

b2c23da8cea1987a1a329f5a964d3299b7ca7890Lennart Poettering

8f077bf94e129fa1b6f0159e3140c4326f1066cfZbigniew Jędrzejewski-Szmek mode = UNIT(n)->manager->running_as == MANAGER_SYSTEM ? "system" : "user";

23bbb0de4e3f85d9704a5c12a5afa2dfa0159e41Michal Schmidt n->starter_fd = bus_kernel_open_bus_fd(mode, &path);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (n->starter_fd < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return log_unit_warning_errno(UNIT(n), n->starter_fd, "Failed to open %s: %m", path ?: "kdbus");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_set_state(BusName *n, BusNameState state) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusNameState old_state;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering old_state = n->state;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->state = state;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (!IN_SET(state, BUSNAME_MAKING, BUSNAME_SIGTERM, BUSNAME_SIGKILL)) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->timer_event_source = sd_event_source_unref(n->timer_event_source);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_unwatch_control_pid(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (state != BUSNAME_LISTENING)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_unwatch_fd(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!IN_SET(state, BUSNAME_LISTENING, BUSNAME_MAKING, BUSNAME_REGISTERED, BUSNAME_RUNNING))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_close_fd(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (state != old_state)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_debug(UNIT(n), "Changed %s -> %s", busname_state_to_string(old_state), busname_state_to_string(state));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering unit_notify(UNIT(n), state_translation_table[old_state], state_translation_table[state], true);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

be847e82cf95bf8eb589778df2aa2b3d1d7ae99eLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_coldplug(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n->state == BUSNAME_DEAD);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (n->deserialized_state == n->state)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (IN_SET(n->deserialized_state, BUSNAME_MAKING, BUSNAME_SIGTERM, BUSNAME_SIGKILL)) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->control_pid <= 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return -EBADMSG;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = unit_watch_pid(UNIT(n), n->control_pid);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = busname_arm_timer(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (IN_SET(n->deserialized_state, BUSNAME_MAKING, BUSNAME_LISTENING, BUSNAME_REGISTERED, BUSNAME_RUNNING)) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = busname_open_fd(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (n->deserialized_state == BUSNAME_LISTENING) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = busname_watch_fd(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_set_state(n, n->deserialized_state);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int busname_make_starter(BusName *n, pid_t *_pid) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering pid_t pid;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = busname_arm_timer(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* We have to resolve the user/group names out-of-process,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering pid = fork();

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (pid < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return -errno;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (pid == 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int ret;

ce30c8dcb41dfe9264f79f30c7f51c0e74576638Lennart Poettering

ce30c8dcb41dfe9264f79f30c7f51c0e74576638Lennart Poettering (void) default_signals(SIGNALS_CRASH_HANDLER, SIGNALS_IGNORE, -1);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering (void) ignore_signals(SIGPIPE, -1);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_forget_fds();

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = bus_kernel_make_starter(n->starter_fd, n->name, n->activating, n->accept_fd, n->policy, n->policy_world);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering ret = EXIT_MAKE_STARTER;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail_child;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering _exit(0);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering fail_child:

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_open();

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_error_errno(r, "Failed to create starter connection at step %s: %m", exit_status_to_string(ret, EXIT_STATUS_SYSTEMD));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering _exit(ret);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = unit_watch_pid(UNIT(n), pid);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering *_pid = pid;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringfail:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->timer_event_source = sd_event_source_unref(n->timer_event_source);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_enter_dead(BusName *n, BusNameResult f) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (f != BUSNAME_SUCCESS)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->result = f;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_set_state(n, n->result != BUSNAME_SUCCESS ? BUSNAME_FAILED : BUSNAME_DEAD);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void busname_enter_signal(BusName *n, BusNameState state, BusNameResult f) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering KillContext kill_context = {};

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (f != BUSNAME_SUCCESS)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->result = f;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering kill_context_init(&kill_context);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = unit_kill_context(UNIT(n),

db2cb23b5b179707000d28a11efb3d888d06ee80Umut Tezduyar Lindskog &kill_context,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering state != BUSNAME_SIGTERM ? KILL_KILL : KILL_TERMINATE,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering -1,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->control_pid,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering false);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (r < 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_warning_errno(UNIT(n), r, "Failed to kill control process: %m");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r > 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = busname_arm_timer(n);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (r < 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_unit_warning_errno(UNIT(n), r, "Failed to arm timer: %m");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_set_state(n, state);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering } else if (state == BUSNAME_SIGTERM)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_signal(n, BUSNAME_SIGKILL, BUSNAME_SUCCESS);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_dead(n, BUSNAME_SUCCESS);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringfail:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_dead(n, BUSNAME_FAILURE_RESOURCES);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void busname_enter_listening(BusName *n) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (n->activating) {

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack r = busname_watch_fd(n);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (r < 0) {

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack log_unit_warning_errno(UNIT(n), r, "Failed to watch names: %m");

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack goto fail;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack }

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack busname_set_state(n, BUSNAME_LISTENING);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack } else

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_set_state(n, BUSNAME_REGISTERED);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringfail:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_signal(n, BUSNAME_SIGTERM, BUSNAME_FAILURE_RESOURCES);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void busname_enter_making(BusName *n) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = busname_open_fd(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

8d0e0ddda6501479eb69164687c83c1a7667b33aJan Engelhardt if (n->policy) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* If there is a policy, we need to resolve user/group

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_unwatch_control_pid(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = busname_make_starter(n, &n->control_pid);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (r < 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_unit_warning_errno(UNIT(n), r, "Failed to fork 'making' task: %m");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_set_state(n, BUSNAME_MAKING);

8d0e0ddda6501479eb69164687c83c1a7667b33aJan Engelhardt } else {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* If there is no policy, we can do everything

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = bus_kernel_make_starter(n->starter_fd, n->name, n->activating, n->accept_fd, NULL, n->policy_world);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (r < 0) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_unit_warning_errno(UNIT(n), r, "Failed to make starter: %m");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering goto fail;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_listening(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringfail:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_enter_dead(n, BUSNAME_FAILURE_RESOURCES);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_enter_running(BusName *n) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering bool pending = false;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering Unit *other;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering Iterator i;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int r;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack if (!n->activating)

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack return;

05a08cb60f02970e8476306074c70ee4e6a57fb3Thomas Hindoe Paaboel Andersen

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering /* We don't take connections anymore if we are supposed to

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (unit_stop_pending(UNIT(n))) {

16ac401407959cbc62312e61c2dd76dbc3a0793bLennart Poettering log_unit_debug(UNIT(n), "Suppressing activation request since unit stop is scheduled.");

16ac401407959cbc62312e61c2dd76dbc3a0793bLennart Poettering

ff975efb2e88dcd5221a2f0d76c4c87e85b821a8Lennart Poettering /* Flush all queued activation reqeuest by closing and reopening the connection */

16ac401407959cbc62312e61c2dd76dbc3a0793bLennart Poettering bus_kernel_drop_one(n->starter_fd);

16ac401407959cbc62312e61c2dd76dbc3a0793bLennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_enter_listening(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering /* If there's already a start pending don't bother to do

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering SET_FOREACH(other, UNIT(n)->dependencies[UNIT_TRIGGERS], i)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (unit_active_or_pending(other)) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering pending = true;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering break;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!pending) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering r = manager_add_job(UNIT(n)->manager, JOB_START, UNIT_DEREF(n->service), JOB_REPLACE, true, &error, NULL);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (r < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_set_state(n, BUSNAME_RUNNING);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poetteringfail:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_warning(UNIT(n), "Failed to queue service startup job: %s", bus_error_message(&error, r));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_enter_dead(n, BUSNAME_FAILURE_RESOURCES);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_start(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* We cannot fulfill this request right now, try again later

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (IN_SET(n->state, BUSNAME_SIGTERM, BUSNAME_SIGKILL))

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return -EAGAIN;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* Already on it! */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->state == BUSNAME_MAKING)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 0;

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (n->activating && UNIT_ISSET(n->service)) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering Service *service;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering service = SERVICE(UNIT_DEREF(n->service));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (UNIT(service)->load_state != UNIT_LOADED) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_error(u, "Bus service %s not loaded, refusing.", UNIT(service)->id);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return -ENOENT;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(IN_SET(n->state, BUSNAME_DEAD, BUSNAME_FAILED));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->result = BUSNAME_SUCCESS;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_enter_making(n);

82a2b6bb5e4e5d294f09af778c48974a7857afb6Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 1;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_stop(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* Already on it */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (IN_SET(n->state, BUSNAME_SIGTERM, BUSNAME_SIGKILL))

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* If there's already something running, we go directly into

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->state == BUSNAME_MAKING) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_signal(n, BUSNAME_SIGTERM, BUSNAME_SUCCESS);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return -EAGAIN;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(IN_SET(n->state, BUSNAME_REGISTERED, BUSNAME_LISTENING, BUSNAME_RUNNING));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

82a2b6bb5e4e5d294f09af778c48974a7857afb6Lennart Poettering busname_enter_dead(n, BUSNAME_SUCCESS);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 1;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_serialize(Unit *u, FILE *f, FDSet *fds) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(f);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(fds);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering unit_serialize_item(u, f, "state", busname_state_to_string(n->state));

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering unit_serialize_item(u, f, "result", busname_result_to_string(n->result));

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (n->control_pid > 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering unit_serialize_item_format(u, f, "control-pid", PID_FMT, n->control_pid);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (n->starter_fd >= 0) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int copy;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering copy = fdset_put_dup(fds, n->starter_fd);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (copy < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return copy;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering unit_serialize_item_format(u, f, "starter-fd", "%i", copy);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_deserialize_item(Unit *u, const char *key, const char *value, FDSet *fds) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(key);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(value);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (streq(key, "state")) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusNameState state;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering state = busname_state_from_string(value);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (state < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_debug(u, "Failed to parse state value: %s", value);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering else

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->deserialized_state = state;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering } else if (streq(key, "result")) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusNameResult f;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering f = busname_result_from_string(value);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (f < 0)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_debug(u, "Failed to parse result value: %s", value);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering else if (f != BUSNAME_SUCCESS)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->result = f;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering } else if (streq(key, "control-pid")) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering pid_t pid;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (parse_pid(value, &pid) < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_unit_debug(u, "Failed to parse control-pid value: %s", value);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->control_pid = pid;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering } else if (streq(key, "starter-fd")) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering int fd;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (safe_atoi(value, &fd) < 0 || fd < 0 || !fdset_contains(fds, fd))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_debug(u, "Failed to parse starter fd value: %s", value);

03e334a1c7dc8c20c38902aa039440763acc9b17Lennart Poettering else {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering safe_close(n->starter_fd);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->starter_fd = fdset_remove(fds, fd);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering } else

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_debug(u, "Unknown serialization key: %s", key);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering_pure_ static UnitActiveState busname_active_state(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return state_translation_table[BUSNAME(u)->state];

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering_pure_ static const char *busname_sub_state_to_string(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return busname_state_to_string(BUSNAME(u)->state);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poetteringstatic int busname_peek_message(BusName *n) {

94e15fdc4d9d96fa6607bfb4eaaea164a3aec417David Herrmann struct kdbus_cmd_recv cmd_recv = {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering .size = sizeof(cmd_recv),

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering .flags = KDBUS_RECV_PEEK,

e24e415e5f3af2fe86d2be9a1f1a2e8d5f8c96bfDaniel Mack };

e24e415e5f3af2fe86d2be9a1f1a2e8d5f8c96bfDaniel Mack struct kdbus_cmd_free cmd_free = {

e24e415e5f3af2fe86d2be9a1f1a2e8d5f8c96bfDaniel Mack .size = sizeof(cmd_free),

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering };

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering const char *comm = NULL;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering struct kdbus_item *d;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering struct kdbus_msg *k;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering size_t start, ps, sz, delta;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering void *p = NULL;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering pid_t pid = 0;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering int r;

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering /* Generate a friendly debug log message about which process

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering assert(n);

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering /* Let's shortcut things a bit, if debug logging is turned off

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering if (log_get_max_level() < LOG_DEBUG)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering return 0;

94e15fdc4d9d96fa6607bfb4eaaea164a3aec417David Herrmann

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering r = ioctl(n->starter_fd, KDBUS_CMD_RECV, &cmd_recv);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (r < 0) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (errno == EINTR || errno == EAGAIN)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering return 0;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering return log_unit_error_errno(UNIT(n), errno, "Failed to query activation message: %m");

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering /* We map as late as possible, and unmap imemdiately after

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

a9c8343e83ec09f80a76930573b2592f97ae4283Daniel Mack ps = page_size();

a9c8343e83ec09f80a76930573b2592f97ae4283Daniel Mack start = (cmd_recv.msg.offset / ps) * ps;

a9c8343e83ec09f80a76930573b2592f97ae4283Daniel Mack delta = cmd_recv.msg.offset - start;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering sz = PAGE_ALIGN(delta + cmd_recv.msg.msg_size);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering p = mmap(NULL, sz, PROT_READ, MAP_SHARED, n->starter_fd, start);

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (p == MAP_FAILED) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering r = log_unit_error_errno(UNIT(n), errno, "Failed to map activation message: %m");

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering goto finish;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering k = (struct kdbus_msg *) ((uint8_t *) p + delta);

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering KDBUS_ITEM_FOREACH(d, k, items) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering switch (d->type) {

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering case KDBUS_ITEM_PIDS:

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering pid = d->pids.pid;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering break;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering case KDBUS_ITEM_PID_COMM:

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering comm = d->str;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering break;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (pid > 0)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering log_unit_debug(UNIT(n), "Activation triggered by process " PID_FMT " (%s)", pid, strna(comm));

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering r = 0;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poetteringfinish:

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering if (p)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering (void) munmap(p, sz);

a9c8343e83ec09f80a76930573b2592f97ae4283Daniel Mack

dcc2fc01fa850e9ee36c549dc2691e7e5c71bebfLennart Poettering cmd_free.offset = cmd_recv.msg.offset;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (ioctl(n->starter_fd, KDBUS_CMD_FREE, &cmd_free) < 0)

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering log_unit_warning(UNIT(n), "Failed to free peeked message, ignoring: %m");

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering return r;

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic int busname_dispatch_io(sd_event_source *source, int fd, uint32_t revents, void *userdata) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = userdata;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(fd >= 0);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (n->state != BUSNAME_LISTENING)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_debug(UNIT(n), "Activation request");

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering if (revents != EPOLLIN) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering log_unit_error(UNIT(n), "Got unexpected poll event (0x%x) on starter fd.", revents);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering goto fail;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering }

bd5f920f1288c0d4d488629fadf067f709227030Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_peek_message(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_enter_running(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringfail:

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_enter_dead(n, BUSNAME_FAILURE_RESOURCES);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return 0;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic void busname_sigchld_event(Unit *u, pid_t pid, int code, int status) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering BusName *n = BUSNAME(u);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering BusNameResult f;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(pid >= 0);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (pid != n->control_pid)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->control_pid = 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (is_clean_exit(code, status, NULL))

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering f = BUSNAME_SUCCESS;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else if (code == CLD_EXITED)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering f = BUSNAME_FAILURE_EXIT_CODE;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else if (code == CLD_KILLED)

deffddf1df29a5ed047feff3a0f2b765006fb71bLukas Nykryn f = BUSNAME_FAILURE_SIGNAL;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else if (code == CLD_DUMPED)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering f = BUSNAME_FAILURE_CORE_DUMP;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert_not_reached("Unknown sigchld code");

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering log_unit_full(u, f == BUSNAME_SUCCESS ? LOG_DEBUG : LOG_NOTICE, 0,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering "Control process exited, code=%s status=%i", sigchld_code_to_string(code), status);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (f != BUSNAME_SUCCESS)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering n->result = f;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering switch (n->state) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case BUSNAME_MAKING:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (f == BUSNAME_SUCCESS)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_listening(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering else

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_signal(n, BUSNAME_SIGTERM, f);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering break;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case BUSNAME_SIGTERM:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering case BUSNAME_SIGKILL:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_dead(n, f);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering break;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering default:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert_not_reached("Uh, control process died at wrong time.");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering /* Notify clients about changed exit status */

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering unit_add_to_dbus_queue(u);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int busname_dispatch_timer(sd_event_source *source, usec_t usec, void *userdata) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering BusName *n = BUSNAME(userdata);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert(n->timer_event_source == source);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering switch (n->state) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering case BUSNAME_MAKING:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_unit_warning(UNIT(n), "Making timed out. Terminating.");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_signal(n, BUSNAME_SIGTERM, BUSNAME_FAILURE_TIMEOUT);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering break;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering case BUSNAME_SIGTERM:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_unit_warning(UNIT(n), "Stopping timed out. Killing.");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_signal(n, BUSNAME_SIGKILL, BUSNAME_FAILURE_TIMEOUT);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering break;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

f2341e0a87cab1558c84c933956e9181d5fb6c52Lennart Poettering case BUSNAME_SIGKILL:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering log_unit_warning(UNIT(n), "Processes still around after SIGKILL. Ignoring.");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering busname_enter_dead(n, BUSNAME_FAILURE_TIMEOUT);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering break;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering default:

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering assert_not_reached("Timeout at wrong time.");

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering }

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_reset_failed(Unit *u) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (n->state == BUSNAME_FAILED)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_set_state(n, BUSNAME_DEAD);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering n->result = BUSNAME_SUCCESS;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic void busname_trigger_notify(Unit *u, Unit *other) {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering BusName *n = BUSNAME(u);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering Service *s;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering assert(other);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (!IN_SET(n->state, BUSNAME_RUNNING, BUSNAME_LISTENING))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering if (other->load_state != UNIT_LOADED || other->type != UNIT_SERVICE)

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering return;

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering s = SERVICE(other);

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering if (s->state == SERVICE_FAILED && s->result == SERVICE_FAILURE_START_LIMIT)

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering busname_enter_dead(n, BUSNAME_FAILURE_SERVICE_FAILED_PERMANENT);

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering else if (IN_SET(s->state,

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering SERVICE_DEAD, SERVICE_FAILED,

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering SERVICE_STOP, SERVICE_STOP_SIGTERM, SERVICE_STOP_SIGKILL,

2f671520ebade4877cbf6aca3572a5f8c4e1871dLennart Poettering SERVICE_STOP_POST, SERVICE_FINAL_SIGTERM, SERVICE_FINAL_SIGKILL,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering SERVICE_AUTO_RESTART))

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering busname_enter_listening(n);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int busname_kill(Unit *u, KillWho who, int signo, sd_bus_error *error) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return unit_kill_common(u, who, signo, -1, BUSNAME(u)->control_pid, error);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poetteringstatic int busname_get_timeout(Unit *u, uint64_t *timeout) {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering BusName *n = BUSNAME(u);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering int r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (!n->timer_event_source)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 0;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering r = sd_event_source_get_time(n->timer_event_source, timeout);

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering if (r < 0)

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return r;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering return 1;

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering}

1c2e9646e4a1720fc8ad35c705c195ae1a2c5ce0Lennart Poettering

d69a7ceaed77992105342a056fe68769c2e6d3bdJohannes Hölzlstatic bool busname_supported(void) {

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering static int supported = -1;

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering

d79acc309327f8c0863bd3da8b93d926a1c93ba1David Herrmann if (supported < 0)

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering supported = is_kdbus_available();

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering return supported;

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering}

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic const char* const busname_state_table[_BUSNAME_STATE_MAX] = {

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_DEAD] = "dead",

5892a914d173e4b968d2a14fbf717373dee3999aDaniel Mack [BUSNAME_MAKING] = "making",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_REGISTERED] = "registered",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_LISTENING] = "listening",

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_RUNNING] = "running",

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_SIGTERM] = "sigterm",

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_SIGKILL] = "sigkill",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_FAILED] = "failed",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering};

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart PoetteringDEFINE_STRING_TABLE_LOOKUP(busname_state, BusNameState);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringstatic const char* const busname_result_table[_BUSNAME_RESULT_MAX] = {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_SUCCESS] = "success",

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_FAILURE_RESOURCES] = "resources",

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_FAILURE_TIMEOUT] = "timeout",

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_FAILURE_EXIT_CODE] = "exit-code",

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering [BUSNAME_FAILURE_SIGNAL] = "signal",

700ff4d97311902a440109a2c081731ab6ae8a20Lennart Poettering [BUSNAME_FAILURE_CORE_DUMP] = "core-dump",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [BUSNAME_FAILURE_SERVICE_FAILED_PERMANENT] = "service-failed-permanent",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering};

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart PoetteringDEFINE_STRING_TABLE_LOOKUP(busname_result, BusNameResult);

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poetteringconst UnitVTable busname_vtable = {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .object_size = sizeof(BusName),

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .sections =

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering "Unit\0"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering "BusName\0"

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering "Install\0",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .private_section = "BusName",

e05ad7bcc87f652cea321224f8eeb32e21d18e0cLennart Poettering

e05ad7bcc87f652cea321224f8eeb32e21d18e0cLennart Poettering .no_alias = true,

e05ad7bcc87f652cea321224f8eeb32e21d18e0cLennart Poettering .no_instances = true,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .init = busname_init,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .done = busname_done,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .load = busname_load,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .coldplug = busname_coldplug,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .dump = busname_dump,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .start = busname_start,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .stop = busname_stop,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering .kill = busname_kill,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering .get_timeout = busname_get_timeout,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .serialize = busname_serialize,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .deserialize_item = busname_deserialize_item,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .active_state = busname_active_state,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .sub_state_to_string = busname_sub_state_to_string,

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering

a4152e3fe28b53b8919cc404dd7eca7ead1bf9bdLennart Poettering .sigchld_event = busname_sigchld_event,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .trigger_notify = busname_trigger_notify,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .reset_failed = busname_reset_failed,

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering

0faacd470dfbd24f4c6504da6f04213aa05f9d19Lennart Poettering .supported = busname_supported,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .bus_interface = "org.freedesktop.systemd1.BusName",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .bus_vtable = bus_busname_vtable,

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .status_message_formats = {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .finished_start_job = {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [JOB_DONE] = "Listening on %s.",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [JOB_FAILED] = "Failed to listen on %s.",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [JOB_DEPENDENCY] = "Dependency failed for %s.",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [JOB_TIMEOUT] = "Timed out starting %s.",

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering },

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering .finished_stop_job = {

e821075a23fdfa3ca7738fc30bb2d4c430fe10c0Lennart Poettering [JOB_DONE] = "Closed %s.",

[JOB_FAILED] = "Failed stopping %s.",

[JOB_TIMEOUT] = "Timed out stopping %s.",

},

},

};