X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fservice.c;h=10e9ccfb95f72f4fe9f38d036ce5cc183caae7d1;hp=abd2a6d7c202182f46e1b917d8260bdb8ded1f2d;hb=0d624a785aed0423ee87f70d33de97df9662844b;hpb=c952c6ece28b6c0f774f823c917f458fe3424993 diff --git a/src/service.c b/src/service.c index abd2a6d7c..10e9ccfb9 100644 --- a/src/service.c +++ b/src/service.c @@ -76,15 +76,15 @@ static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = { [SERVICE_START_POST] = UNIT_ACTIVATING, [SERVICE_RUNNING] = UNIT_ACTIVE, [SERVICE_EXITED] = UNIT_ACTIVE, - [SERVICE_RELOAD] = UNIT_ACTIVE_RELOADING, + [SERVICE_RELOAD] = UNIT_RELOADING, [SERVICE_STOP] = UNIT_DEACTIVATING, [SERVICE_STOP_SIGTERM] = UNIT_DEACTIVATING, [SERVICE_STOP_SIGKILL] = UNIT_DEACTIVATING, [SERVICE_STOP_POST] = UNIT_DEACTIVATING, [SERVICE_FINAL_SIGTERM] = UNIT_DEACTIVATING, [SERVICE_FINAL_SIGKILL] = UNIT_DEACTIVATING, - [SERVICE_MAINTENANCE] = UNIT_INACTIVE, - [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING, + [SERVICE_MAINTENANCE] = UNIT_MAINTENANCE, + [SERVICE_AUTO_RESTART] = UNIT_ACTIVATING }; static void service_init(Unit *u) { @@ -157,6 +157,16 @@ static void service_close_socket_fd(Service *s) { s->socket_fd = -1; } +static void service_connection_unref(Service *s) { + assert(s); + + if (!s->socket) + return; + + socket_connection_unref(s->socket); + s->socket = NULL; +} + static void service_done(Unit *u) { Service *s = SERVICE(u); @@ -190,6 +200,7 @@ static void service_done(Unit *u) { } service_close_socket_fd(s); + service_connection_unref(s); unit_unwatch_timer(u, &s->timer_watch); } @@ -268,7 +279,7 @@ static int sysv_fix_order(Service *s) { /* For each pair of services where at least one lacks a LSB * header, we use the start priority value to order things. */ - LIST_FOREACH(units_per_type, other, UNIT(s)->meta.manager->units_per_type[UNIT_SERVICE]) { + LIST_FOREACH(units_per_type, other, s->meta.manager->units_per_type[UNIT_SERVICE]) { Service *t; UnitDependency d; @@ -700,7 +711,7 @@ static int service_load_sysv_name(Service *s, const char *name) { endswith(name, ".sh.service")) return -ENOENT; - STRV_FOREACH(p, UNIT(s)->meta.manager->lookup_paths.sysvinit_path) { + STRV_FOREACH(p, s->meta.manager->lookup_paths.sysvinit_path) { char *path; int r; @@ -712,7 +723,7 @@ static int service_load_sysv_name(Service *s, const char *name) { r = service_load_sysv_path(s, path); - if (r >= 0 && UNIT(s)->meta.load_state == UNIT_STUB) { + if (r >= 0 && s->meta.load_state == UNIT_STUB) { /* Try Debian style xxx.sh source'able init scripts */ strcat(path, ".sh"); r = service_load_sysv_path(s, path); @@ -720,7 +731,7 @@ static int service_load_sysv_name(Service *s, const char *name) { free(path); - if (r >= 0 && UNIT(s)->meta.load_state == UNIT_STUB) { + if (r >= 0 && s->meta.load_state == UNIT_STUB) { /* Try SUSE style boot.xxx init scripts */ if (asprintf(&path, "%s/boot.%s", *p, name) < 0) @@ -734,7 +745,7 @@ static int service_load_sysv_name(Service *s, const char *name) { if (r < 0) return r; - if ((UNIT(s)->meta.load_state != UNIT_STUB)) + if ((s->meta.load_state != UNIT_STUB)) break; } @@ -751,22 +762,22 @@ static int service_load_sysv(Service *s) { /* Load service data from SysV init scripts, preferably with * LSB headers ... */ - if (strv_isempty(UNIT(s)->meta.manager->lookup_paths.sysvinit_path)) + if (strv_isempty(s->meta.manager->lookup_paths.sysvinit_path)) return 0; - if ((t = UNIT(s)->meta.id)) + if ((t = s->meta.id)) if ((r = service_load_sysv_name(s, t)) < 0) return r; - if (UNIT(s)->meta.load_state == UNIT_STUB) - SET_FOREACH(t, UNIT(s)->meta.names, i) { - if (t == UNIT(s)->meta.id) + if (s->meta.load_state == UNIT_STUB) + SET_FOREACH(t, s->meta.names, i) { + if (t == s->meta.id) continue; if ((r == service_load_sysv_name(s, t)) < 0) return r; - if (UNIT(s)->meta.load_state != UNIT_STUB) + if (s->meta.load_state != UNIT_STUB) break; } @@ -792,16 +803,26 @@ static int service_add_bus_name(Service *s) { static int service_verify(Service *s) { assert(s); - if (UNIT(s)->meta.load_state != UNIT_LOADED) + if (s->meta.load_state != UNIT_LOADED) return 0; if (!s->exec_command[SERVICE_EXEC_START]) { - log_error("%s lacks ExecStart setting. Refusing.", UNIT(s)->meta.id); + log_error("%s lacks ExecStart setting. Refusing.", s->meta.id); + return -EINVAL; + } + + if (s->exec_command[SERVICE_EXEC_START]->command_next) { + log_error("%s has more than one ExecStart setting. Refusing.", s->meta.id); return -EINVAL; } if (s->type == SERVICE_DBUS && !s->bus_name) { - log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", UNIT(s)->meta.id); + log_error("%s is of type D-Bus but no D-Bus service name has been specified. Refusing.", s->meta.id); + return -EINVAL; + } + + if (s->exec_context.pam_name && s->kill_mode != KILL_CONTROL_GROUP) { + log_error("%s has PAM enabled. Kill mode must be set to 'control-group'. Refusing.", s->meta.id); return -EINVAL; } @@ -888,13 +909,13 @@ static void service_dump(Unit *u, FILE *f, const char *prefix) { if (s->control_pid > 0) fprintf(f, - "%sControl PID: %llu\n", - prefix, (unsigned long long) s->control_pid); + "%sControl PID: %lu\n", + prefix, (unsigned long) s->control_pid); if (s->main_pid > 0) fprintf(f, - "%sMain PID: %llu\n", - prefix, (unsigned long long) s->main_pid); + "%sMain PID: %lu\n", + prefix, (unsigned long) s->main_pid); if (s->pid_file) fprintf(f, @@ -993,6 +1014,9 @@ static int service_get_sockets(Service *s, Set **_set) { assert(s); assert(_set); + if (s->socket_fd >= 0) + return 0; + /* Collects all Socket objects that belong to this * service. Note that a service might have multiple sockets * via multiple names. */ @@ -1000,7 +1024,7 @@ static int service_get_sockets(Service *s, Set **_set) { if (!(set = set_new(NULL, NULL))) return -ENOMEM; - SET_FOREACH(t, UNIT(s)->meta.names, i) { + SET_FOREACH(t, s->meta.names, i) { char *k; Unit *p; @@ -1012,7 +1036,7 @@ static int service_get_sockets(Service *s, Set **_set) { goto fail; } - p = manager_get_unit(UNIT(s)->meta.manager, k); + p = manager_get_unit(s->meta.manager, k); free(k); if (!p) @@ -1038,6 +1062,9 @@ static int service_notify_sockets_dead(Service *s) { assert(s); + if (s->socket_fd >= 0) + return 0; + /* Notifies all our sockets when we die */ if ((r = service_get_sockets(s, &set)) < 0) return r; @@ -1107,11 +1134,22 @@ static void service_set_state(Service *s, ServiceState state) { if (state != SERVICE_START_PRE && state != SERVICE_START && - !(state == SERVICE_DEAD && UNIT(s)->meta.job)) + state != SERVICE_START_POST && + state != SERVICE_RUNNING && + state != SERVICE_RELOAD && + state != SERVICE_STOP && + state != SERVICE_STOP_SIGTERM && + state != SERVICE_STOP_SIGKILL && + state != SERVICE_STOP_POST && + state != SERVICE_FINAL_SIGTERM && + state != SERVICE_FINAL_SIGKILL && + !(state == SERVICE_DEAD && s->meta.job)) { service_close_socket_fd(s); + service_connection_unref(s); + } if (old_state != state) - log_debug("%s changed %s -> %s", UNIT(s)->meta.id, service_state_to_string(old_state), service_state_to_string(state)); + log_debug("%s changed %s -> %s", s->meta.id, service_state_to_string(old_state), service_state_to_string(state)); unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]); } @@ -1194,6 +1232,9 @@ static int service_collect_fds(Service *s, int **fds, unsigned *n_fds) { assert(fds); assert(n_fds); + if (s->socket_fd >= 0) + return 0; + if ((r = service_get_sockets(s, &set)) < 0) return r; @@ -1255,7 +1296,7 @@ static int service_spawn( pid_t pid; int r; - int *fds = NULL; + int *fds = NULL, *fdsbuf = NULL; unsigned n_fds = 0; char **argv = NULL, **env = NULL; @@ -1263,12 +1304,20 @@ static int service_spawn( assert(c); assert(_pid); - if (pass_fds) { + if (pass_fds || + s->exec_context.std_input == EXEC_INPUT_SOCKET || + s->exec_context.std_output == EXEC_OUTPUT_SOCKET || + s->exec_context.std_error == EXEC_OUTPUT_SOCKET) { + if (s->socket_fd >= 0) { fds = &s->socket_fd; n_fds = 1; - } else if ((r = service_collect_fds(s, &fds, &n_fds)) < 0) - goto fail; + } else { + if ((r = service_collect_fds(s, &fdsbuf, &n_fds)) < 0) + goto fail; + + fds = fdsbuf; + } } if (timeout && s->timeout_usec) { @@ -1307,8 +1356,8 @@ static int service_spawn( env, apply_permissions, apply_chroot, - UNIT(s)->meta.manager->confirm_spawn, - UNIT(s)->meta.cgroup_bondings, + s->meta.manager->confirm_spawn, + s->meta.cgroup_bondings, &pid); strv_free(argv); @@ -1321,12 +1370,8 @@ static int service_spawn( if (r < 0) goto fail; - if (fds) { - if (s->socket_fd >= 0) - service_close_socket_fd(s); - else - free(fds); - } + if (fdsbuf) + free(fdsbuf); if ((r = unit_watch_pid(UNIT(s), pid)) < 0) /* FIXME: we need to do something here */ @@ -1376,10 +1421,7 @@ static int cgroup_good(Service *s) { assert(s); - if (s->valid_no_process) - return -EAGAIN; - - if ((r = cgroup_bonding_is_empty_list(UNIT(s)->meta.cgroup_bondings)) < 0) + if ((r = cgroup_bonding_is_empty_list(s->meta.cgroup_bondings)) < 0) return r; return !r; @@ -1407,7 +1449,7 @@ static void service_enter_dead(Service *s, bool success, bool allow_restart) { return; fail: - log_warning("%s failed to run install restart timer: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to run install restart timer: %s", s->meta.id, strerror(-r)); service_enter_dead(s, false, false); } @@ -1442,7 +1484,7 @@ static void service_enter_stop_post(Service *s, bool success) { return; fail: - log_warning("%s failed to run 'stop-post' task: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to run 'stop-post' task: %s", s->meta.id, strerror(-r)); service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); } @@ -1460,7 +1502,7 @@ static void service_enter_signal(Service *s, ServiceState state, bool success) { if (s->kill_mode == KILL_CONTROL_GROUP) { - if ((r = cgroup_bonding_kill_list(UNIT(s)->meta.cgroup_bondings, sig)) < 0) { + if ((r = cgroup_bonding_kill_list(s->meta.cgroup_bondings, sig)) < 0) { if (r != -EAGAIN && r != -ESRCH) goto fail; } else @@ -1503,7 +1545,7 @@ static void service_enter_signal(Service *s, ServiceState state, bool success) { return; fail: - log_warning("%s failed to kill processes: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to kill processes: %s", s->meta.id, strerror(-r)); if (state == SERVICE_STOP_SIGTERM || state == SERVICE_STOP_SIGKILL) service_enter_stop_post(s, false); @@ -1540,18 +1582,21 @@ static void service_enter_stop(Service *s, bool success) { return; fail: - log_warning("%s failed to run 'stop' task: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to run 'stop' task: %s", s->meta.id, strerror(-r)); service_enter_signal(s, SERVICE_STOP_SIGTERM, false); } static void service_enter_running(Service *s, bool success) { + int main_pid_ok, cgroup_ok; assert(s); if (!success) s->failure = true; - if (main_pid_good(s) != 0 && - cgroup_good(s) != 0 && + main_pid_ok = main_pid_good(s); + cgroup_ok = cgroup_good(s); + + if ((main_pid_ok > 0 || (main_pid_ok < 0 && cgroup_ok != 0)) && (s->bus_name_good || s->type != SERVICE_DBUS)) service_set_state(s, SERVICE_RUNNING); else if (s->valid_no_process) @@ -1585,7 +1630,7 @@ static void service_enter_start_post(Service *s) { return; fail: - log_warning("%s failed to run 'start-post' task: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to run 'start-post' task: %s", s->meta.id, strerror(-r)); service_enter_stop(s, false); } @@ -1650,7 +1695,7 @@ static void service_enter_start(Service *s) { return; fail: - log_warning("%s failed to run 'start' task: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to run 'start' task: %s", s->meta.id, strerror(-r)); service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); } @@ -1680,7 +1725,7 @@ static void service_enter_start_pre(Service *s) { return; fail: - log_warning("%s failed to run 'start-pre' task: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to run 'start-pre' task: %s", s->meta.id, strerror(-r)); service_enter_dead(s, false, true); } @@ -1690,15 +1735,15 @@ static void service_enter_restart(Service *s) { service_enter_dead(s, true, false); - if ((r = manager_add_job(UNIT(s)->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL)) < 0) + if ((r = manager_add_job(s->meta.manager, JOB_START, UNIT(s), JOB_FAIL, false, NULL)) < 0) goto fail; - log_debug("%s scheduled restart job.", UNIT(s)->meta.id); + log_debug("%s scheduled restart job.", s->meta.id); return; fail: - log_warning("%s failed to schedule restart job: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to schedule restart job: %s", s->meta.id, strerror(-r)); service_enter_dead(s, false, false); } @@ -1728,7 +1773,7 @@ static void service_enter_reload(Service *s) { return; fail: - log_warning("%s failed to run 'reload' task: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to run 'reload' task: %s", s->meta.id, strerror(-r)); service_enter_stop(s, false); } @@ -1759,7 +1804,7 @@ static void service_run_next(Service *s, bool success) { return; fail: - log_warning("%s failed to run spawn next task: %s", UNIT(s)->meta.id, strerror(-r)); + log_warning("%s failed to run next task: %s", s->meta.id, strerror(-r)); if (s->state == SERVICE_START_PRE) service_enter_signal(s, SERVICE_FINAL_SIGTERM, false); @@ -2130,7 +2175,7 @@ static void service_sigchld_event(Unit *u, pid_t pid, int code, int status) { * executed. */ if ((r = service_load_pid_file(s)) < 0) - log_warning("%s: failed to load PID file %s: %s", UNIT(s)->meta.id, s->pid_file, strerror(-r)); + log_warning("%s: failed to load PID file %s: %s", s->meta.id, s->pid_file, strerror(-r)); } /* Fall through */ @@ -2527,7 +2572,7 @@ static void service_bus_query_pid_done( service_set_main_pid(s, pid); } -int service_set_socket_fd(Service *s, int fd) { +int service_set_socket_fd(Service *s, int fd, Socket *sock) { assert(s); assert(fd >= 0); @@ -2535,7 +2580,7 @@ int service_set_socket_fd(Service *s, int fd) { * service for a stream socket and the socket needs to be * configured. */ - if (UNIT(s)->meta.load_state != UNIT_LOADED) + if (s->meta.load_state != UNIT_LOADED) return -EINVAL; if (s->socket_fd >= 0) @@ -2546,6 +2591,8 @@ int service_set_socket_fd(Service *s, int fd) { s->socket_fd = fd; s->got_socket_fd = true; + s->socket = sock; + return 0; } @@ -2578,8 +2625,8 @@ static const char* const service_restart_table[_SERVICE_RESTART_MAX] = { DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart); static const char* const service_type_table[_SERVICE_TYPE_MAX] = { - [SERVICE_FORKING] = "forking", [SERVICE_SIMPLE] = "simple", + [SERVICE_FORKING] = "forking", [SERVICE_FINISH] = "finish", [SERVICE_DBUS] = "dbus", [SERVICE_NOTIFY] = "notify"