#include <dirent.h>
#include <unistd.h>
#include <sys/reboot.h>
+#include <linux/reboot.h>
+#include <sys/syscall.h>
+#include "async.h"
#include "manager.h"
#include "unit.h"
#include "service.h"
#include "bus-error.h"
#include "bus-util.h"
-#ifdef HAVE_SYSV_COMPAT
-
-#define DEFAULT_SYSV_TIMEOUT_USEC (5*USEC_PER_MINUTE)
-
-typedef enum RunlevelType {
- RUNLEVEL_UP,
- RUNLEVEL_DOWN
-} RunlevelType;
-
-static const struct {
- const char *path;
- const char *target;
- const RunlevelType type;
-} rcnd_table[] = {
- /* Standard SysV runlevels for start-up */
- { "rc1.d", SPECIAL_RESCUE_TARGET, RUNLEVEL_UP },
- { "rc2.d", SPECIAL_RUNLEVEL2_TARGET, RUNLEVEL_UP },
- { "rc3.d", SPECIAL_RUNLEVEL3_TARGET, RUNLEVEL_UP },
- { "rc4.d", SPECIAL_RUNLEVEL4_TARGET, RUNLEVEL_UP },
- { "rc5.d", SPECIAL_RUNLEVEL5_TARGET, RUNLEVEL_UP },
-
- /* Standard SysV runlevels for shutdown */
- { "rc0.d", SPECIAL_POWEROFF_TARGET, RUNLEVEL_DOWN },
- { "rc6.d", SPECIAL_REBOOT_TARGET, RUNLEVEL_DOWN }
-
- /* Note that the order here matters, as we read the
- directories in this order, and we want to make sure that
- sysv_start_priority is known when we first load the
- unit. And that value we only know from S links. Hence
- UP must be read before DOWN */
-};
-
-#define RUNLEVELS_UP "12345"
-#endif
-
static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
[SERVICE_DEAD] = UNIT_INACTIVE,
[SERVICE_START_PRE] = UNIT_ACTIVATING,
s->timeout_stop_usec = u->manager->default_timeout_stop_usec;
s->restart_usec = u->manager->default_restart_usec;
s->type = _SERVICE_TYPE_INVALID;
-
-#ifdef HAVE_SYSV_COMPAT
- s->sysv_start_priority = -1;
- s->sysv_start_priority_from_rcnd = -1;
-#endif
s->socket_fd = -1;
s->guess_main_pid = true;
- exec_context_init(&s->exec_context);
- kill_context_init(&s->kill_context);
- cgroup_context_init(&s->cgroup_context);
-
- unit_cgroup_context_init_defaults(u, &s->cgroup_context);
-
RATELIMIT_INIT(s->start_limit, u->manager->default_start_limit_interval, u->manager->default_start_limit_burst);
s->control_command_id = _SERVICE_EXEC_COMMAND_INVALID;
if (s->socket_fd < 0)
return;
- close_nointr_nofail(s->socket_fd);
- s->socket_fd = -1;
+ s->socket_fd = asynchronous_close(s->socket_fd);
}
static void service_connection_unref(Service *s) {
r = sd_event_source_set_enabled(s->watchdog_event_source, SD_EVENT_ONESHOT);
} else {
- r = sd_event_add_monotonic(UNIT(s)->manager->event, &s->watchdog_event_source, s->watchdog_timestamp.monotonic + s->watchdog_usec, 0, service_dispatch_watchdog, s);
+ r = sd_event_add_time(
+ UNIT(s)->manager->event,
+ &s->watchdog_event_source,
+ CLOCK_MONOTONIC,
+ s->watchdog_timestamp.monotonic + s->watchdog_usec, 0,
+ service_dispatch_watchdog, s);
if (r < 0) {
log_warning_unit(UNIT(s)->id, "%s failed to add watchdog timer: %s", UNIT(s)->id, strerror(-r));
return;
free(s->pid_file);
s->pid_file = NULL;
-#ifdef HAVE_SYSV_COMPAT
- free(s->sysv_runlevels);
- s->sysv_runlevels = NULL;
-#endif
-
free(s->status_text);
s->status_text = NULL;
- cgroup_context_done(&s->cgroup_context);
- exec_context_done(&s->exec_context);
+ free(s->reboot_arg);
+ s->reboot_arg = NULL;
+
s->exec_runtime = exec_runtime_unref(s->exec_runtime);
exec_command_free_array(s->exec_command, _SERVICE_EXEC_COMMAND_MAX);
s->control_command = NULL;
s->main_command = NULL;
- set_free(s->restart_ignore_status.code);
- s->restart_ignore_status.code = NULL;
- set_free(s->restart_ignore_status.signal);
- s->restart_ignore_status.signal = NULL;
-
- set_free(s->success_status.code);
- s->success_status.code = NULL;
- set_free(s->success_status.signal);
- s->success_status.signal = NULL;
+ exit_status_set_free(&s->restart_prevent_status);
+ exit_status_set_free(&s->restart_force_status);
+ exit_status_set_free(&s->success_status);
/* This will leak a process, but at least no memory or any of
* our resources */
return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
}
- return sd_event_add_monotonic(UNIT(s)->manager->event, &s->timer_event_source, now(CLOCK_MONOTONIC) + usec, 0, service_dispatch_timer, s);
-}
-
-#ifdef HAVE_SYSV_COMPAT
-static char *sysv_translate_name(const char *name) {
- char *r;
-
- r = new(char, strlen(name) + strlen(".service") + 1);
- if (!r)
- return NULL;
-
- if (endswith(name, ".sh"))
- /* Drop .sh suffix */
- strcpy(stpcpy(r, name) - 3, ".service");
- else
- /* Normal init script name */
- strcpy(stpcpy(r, name), ".service");
-
- return r;
-}
-
-static int sysv_translate_facility(const char *name, const char *filename, char **_r) {
-
- /* We silently ignore the $ prefix here. According to the LSB
- * spec it simply indicates whether something is a
- * standardized name or a distribution-specific one. Since we
- * just follow what already exists and do not introduce new
- * uses or names we don't care who introduced a new name. */
-
- static const char * const table[] = {
- /* LSB defined facilities */
- "local_fs", NULL,
- "network", SPECIAL_NETWORK_TARGET,
- "named", SPECIAL_NSS_LOOKUP_TARGET,
- "portmap", SPECIAL_RPCBIND_TARGET,
- "remote_fs", SPECIAL_REMOTE_FS_TARGET,
- "syslog", NULL,
- "time", SPECIAL_TIME_SYNC_TARGET,
- };
-
- unsigned i;
- char *r;
- const char *n;
-
- assert(name);
- assert(_r);
-
- n = *name == '$' ? name + 1 : name;
-
- for (i = 0; i < ELEMENTSOF(table); i += 2) {
-
- if (!streq(table[i], n))
- continue;
-
- if (!table[i+1])
- return 0;
-
- r = strdup(table[i+1]);
- if (!r)
- return log_oom();
-
- goto finish;
- }
-
- /* If we don't know this name, fallback heuristics to figure
- * out whether something is a target or a service alias. */
-
- if (*name == '$') {
- if (!unit_prefix_is_valid(n))
- return -EINVAL;
-
- /* Facilities starting with $ are most likely targets */
- r = unit_name_build(n, NULL, ".target");
- } else if (filename && streq(name, filename))
- /* Names equaling the file name of the services are redundant */
- return 0;
- else
- /* Everything else we assume to be normal service names */
- r = sysv_translate_name(n);
-
- if (!r)
- return -ENOMEM;
-
-finish:
- *_r = r;
-
- return 1;
-}
-
-static int sysv_fix_order(Service *s) {
- Unit *other;
- int r;
-
- assert(s);
-
- if (s->sysv_start_priority < 0)
- return 0;
-
- /* 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_by_type, other, UNIT(s)->manager->units_by_type[UNIT_SERVICE]) {
- Service *t;
- UnitDependency d;
- bool special_s, special_t;
-
- t = SERVICE(other);
-
- if (s == t)
- continue;
-
- if (UNIT(t)->load_state != UNIT_LOADED)
- continue;
-
- if (t->sysv_start_priority < 0)
- continue;
-
- /* If both units have modern headers we don't care
- * about the priorities */
- if ((UNIT(s)->fragment_path || s->sysv_has_lsb) &&
- (UNIT(t)->fragment_path || t->sysv_has_lsb))
- continue;
-
- special_s = s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels);
- special_t = t->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, t->sysv_runlevels);
-
- if (special_t && !special_s)
- d = UNIT_AFTER;
- else if (special_s && !special_t)
- d = UNIT_BEFORE;
- else if (t->sysv_start_priority < s->sysv_start_priority)
- d = UNIT_AFTER;
- else if (t->sysv_start_priority > s->sysv_start_priority)
- d = UNIT_BEFORE;
- else
- continue;
-
- /* FIXME: Maybe we should compare the name here lexicographically? */
-
- if ((r = unit_add_dependency(UNIT(s), d, UNIT(t), true)) < 0)
- return r;
- }
-
- return 0;
-}
-
-static ExecCommand *exec_command_new(const char *path, const char *arg1) {
- ExecCommand *c;
-
- if (!(c = new0(ExecCommand, 1)))
- return NULL;
-
- if (!(c->path = strdup(path))) {
- free(c);
- return NULL;
- }
-
- if (!(c->argv = strv_new(path, arg1, NULL))) {
- free(c->path);
- free(c);
- return NULL;
- }
-
- return c;
-}
-
-static int sysv_exec_commands(Service *s, const bool supports_reload) {
- ExecCommand *c;
-
- assert(s);
- assert(s->is_sysv);
- assert(UNIT(s)->source_path);
-
- c = exec_command_new(UNIT(s)->source_path, "start");
- if (!c)
- return -ENOMEM;
- exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
-
- c = exec_command_new(UNIT(s)->source_path, "stop");
- if (!c)
- return -ENOMEM;
- exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
-
- if (supports_reload) {
- c = exec_command_new(UNIT(s)->source_path, "reload");
- if (!c)
- return -ENOMEM;
- exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
- }
-
- return 0;
-}
-
-static bool usage_contains_reload(const char *line) {
- return (strcasestr(line, "{reload|") ||
- strcasestr(line, "{reload}") ||
- strcasestr(line, "{reload\"") ||
- strcasestr(line, "|reload|") ||
- strcasestr(line, "|reload}") ||
- strcasestr(line, "|reload\""));
-}
-
-static int service_load_sysv_path(Service *s, const char *path) {
- FILE *f;
- Unit *u;
- unsigned line = 0;
- int r;
- enum {
- NORMAL,
- DESCRIPTION,
- LSB,
- LSB_DESCRIPTION,
- USAGE_CONTINUATION
- } state = NORMAL;
- char *short_description = NULL, *long_description = NULL, *chkconfig_description = NULL, *description;
- struct stat st;
- bool supports_reload = false;
-
- assert(s);
- assert(path);
-
- u = UNIT(s);
-
- f = fopen(path, "re");
- if (!f) {
- r = errno == ENOENT ? 0 : -errno;
- goto finish;
- }
-
- if (fstat(fileno(f), &st) < 0) {
- r = -errno;
- goto finish;
- }
-
- free(u->source_path);
- u->source_path = strdup(path);
- if (!u->source_path) {
- r = -ENOMEM;
- goto finish;
- }
- u->source_mtime = timespec_load(&st.st_mtim);
-
- if (null_or_empty(&st)) {
- u->load_state = UNIT_MASKED;
- r = 0;
- goto finish;
- }
-
- s->is_sysv = true;
-
- while (!feof(f)) {
- char l[LINE_MAX], *t;
-
- if (!fgets(l, sizeof(l), f)) {
- if (feof(f))
- break;
-
- r = -errno;
- log_error_unit(u->id,
- "Failed to read configuration file '%s': %s",
- path, strerror(-r));
- goto finish;
- }
-
- line++;
-
- t = strstrip(l);
- if (*t != '#') {
- /* Try to figure out whether this init script supports
- * the reload operation. This heuristic looks for
- * "Usage" lines which include the reload option. */
- if ( state == USAGE_CONTINUATION ||
- (state == NORMAL && strcasestr(t, "usage"))) {
- if (usage_contains_reload(t)) {
- supports_reload = true;
- state = NORMAL;
- } else if (t[strlen(t)-1] == '\\')
- state = USAGE_CONTINUATION;
- else
- state = NORMAL;
- }
-
- continue;
- }
-
- if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
- state = LSB;
- s->sysv_has_lsb = true;
- continue;
- }
-
- if ((state == LSB_DESCRIPTION || state == LSB) && streq(t, "### END INIT INFO")) {
- state = NORMAL;
- continue;
- }
-
- t++;
- t += strspn(t, WHITESPACE);
-
- if (state == NORMAL) {
-
- /* Try to parse Red Hat style chkconfig headers */
-
- if (startswith_no_case(t, "chkconfig:")) {
- int start_priority;
- char runlevels[16], *k;
-
- state = NORMAL;
-
- if (sscanf(t+10, "%15s %i %*i",
- runlevels,
- &start_priority) != 2) {
-
- log_warning_unit(u->id,
- "[%s:%u] Failed to parse chkconfig line. Ignoring.",
- path, line);
- continue;
- }
-
- /* A start priority gathered from the
- * symlink farms is preferred over the
- * data from the LSB header. */
- if (start_priority < 0 || start_priority > 99)
- log_warning_unit(u->id,
- "[%s:%u] Start priority out of range. Ignoring.",
- path, line);
- else
- s->sysv_start_priority = start_priority;
-
- char_array_0(runlevels);
- k = delete_chars(runlevels, WHITESPACE "-");
-
- if (k[0]) {
- char *d;
-
- if (!(d = strdup(k))) {
- r = -ENOMEM;
- goto finish;
- }
-
- free(s->sysv_runlevels);
- s->sysv_runlevels = d;
- }
-
- } else if (startswith_no_case(t, "description:")) {
-
- size_t k = strlen(t);
- char *d;
- const char *j;
-
- if (t[k-1] == '\\') {
- state = DESCRIPTION;
- t[k-1] = 0;
- }
-
- if ((j = strstrip(t+12)) && *j) {
- if (!(d = strdup(j))) {
- r = -ENOMEM;
- goto finish;
- }
- } else
- d = NULL;
-
- free(chkconfig_description);
- chkconfig_description = d;
-
- } else if (startswith_no_case(t, "pidfile:")) {
-
- char *fn;
-
- state = NORMAL;
-
- fn = strstrip(t+8);
- if (!path_is_absolute(fn)) {
- log_warning_unit(u->id,
- "[%s:%u] PID file not absolute. Ignoring.",
- path, line);
- continue;
- }
-
- if (!(fn = strdup(fn))) {
- r = -ENOMEM;
- goto finish;
- }
-
- free(s->pid_file);
- s->pid_file = fn;
- }
-
- } else if (state == DESCRIPTION) {
-
- /* Try to parse Red Hat style description
- * continuation */
-
- size_t k = strlen(t);
- char *j;
-
- if (t[k-1] == '\\')
- t[k-1] = 0;
- else
- state = NORMAL;
-
- if ((j = strstrip(t)) && *j) {
- char *d = NULL;
-
- if (chkconfig_description)
- d = strjoin(chkconfig_description, " ", j, NULL);
- else
- d = strdup(j);
-
- if (!d) {
- r = -ENOMEM;
- goto finish;
- }
-
- free(chkconfig_description);
- chkconfig_description = d;
- }
-
- } else if (state == LSB || state == LSB_DESCRIPTION) {
-
- if (startswith_no_case(t, "Provides:")) {
- char *i, *w;
- size_t z;
-
- state = LSB;
-
- FOREACH_WORD_QUOTED(w, z, t+9, i) {
- char *n, *m;
-
- if (!(n = strndup(w, z))) {
- r = -ENOMEM;
- goto finish;
- }
-
- r = sysv_translate_facility(n, basename(path), &m);
- free(n);
-
- if (r < 0)
- goto finish;
-
- if (r == 0)
- continue;
-
- if (unit_name_to_type(m) == UNIT_SERVICE)
- r = unit_merge_by_name(u, m);
- else
- /* NB: SysV targets
- * which are provided
- * by a service are
- * pulled in by the
- * services, as an
- * indication that the
- * generic service is
- * now available. This
- * is strictly
- * one-way. The
- * targets do NOT pull
- * in the SysV
- * services! */
- r = unit_add_two_dependencies_by_name(u, UNIT_BEFORE, UNIT_WANTS, m, NULL, true);
-
- if (r < 0)
- log_error_unit(u->id,
- "[%s:%u] Failed to add LSB Provides name %s, ignoring: %s",
- path, line, m, strerror(-r));
-
- free(m);
- }
-
- } else if (startswith_no_case(t, "Required-Start:") ||
- startswith_no_case(t, "Should-Start:") ||
- startswith_no_case(t, "X-Start-Before:") ||
- startswith_no_case(t, "X-Start-After:")) {
- char *i, *w;
- size_t z;
-
- state = LSB;
-
- FOREACH_WORD_QUOTED(w, z, strchr(t, ':')+1, i) {
- char *n, *m;
-
- if (!(n = strndup(w, z))) {
- r = -ENOMEM;
- goto finish;
- }
-
- r = sysv_translate_facility(n, basename(path), &m);
- if (r < 0) {
- log_error_unit(u->id,
- "[%s:%u] Failed to translate LSB dependency %s, ignoring: %s",
- path, line, n, strerror(-r));
- free(n);
- continue;
- }
-
- free(n);
-
- if (r == 0)
- continue;
-
- r = unit_add_dependency_by_name(u, startswith_no_case(t, "X-Start-Before:") ? UNIT_BEFORE : UNIT_AFTER, m, NULL, true);
-
- if (r < 0)
- log_error_unit(u->id, "[%s:%u] Failed to add dependency on %s, ignoring: %s",
- path, line, m, strerror(-r));
-
- free(m);
- }
- } else if (startswith_no_case(t, "Default-Start:")) {
- char *k, *d;
-
- state = LSB;
-
- k = delete_chars(t+14, WHITESPACE "-");
-
- if (k[0] != 0) {
- if (!(d = strdup(k))) {
- r = -ENOMEM;
- goto finish;
- }
-
- free(s->sysv_runlevels);
- s->sysv_runlevels = d;
- }
-
- } else if (startswith_no_case(t, "Description:")) {
- char *d, *j;
-
- state = LSB_DESCRIPTION;
-
- if ((j = strstrip(t+12)) && *j) {
- if (!(d = strdup(j))) {
- r = -ENOMEM;
- goto finish;
- }
- } else
- d = NULL;
-
- free(long_description);
- long_description = d;
-
- } else if (startswith_no_case(t, "Short-Description:")) {
- char *d, *j;
-
- state = LSB;
-
- if ((j = strstrip(t+18)) && *j) {
- if (!(d = strdup(j))) {
- r = -ENOMEM;
- goto finish;
- }
- } else
- d = NULL;
-
- free(short_description);
- short_description = d;
-
- } else if (state == LSB_DESCRIPTION) {
-
- if (startswith(l, "#\t") || startswith(l, "# ")) {
- char *j;
-
- if ((j = strstrip(t)) && *j) {
- char *d = NULL;
-
- if (long_description)
- d = strjoin(long_description, " ", t, NULL);
- else
- d = strdup(j);
-
- if (!d) {
- r = -ENOMEM;
- goto finish;
- }
-
- free(long_description);
- long_description = d;
- }
-
- } else
- state = LSB;
- }
- }
- }
-
- if ((r = sysv_exec_commands(s, supports_reload)) < 0)
- goto finish;
-
- if (s->sysv_runlevels && !chars_intersect(RUNLEVELS_UP, s->sysv_runlevels)) {
- /* If there a runlevels configured for this service
- * but none of the standard ones, then we assume this
- * is some special kind of service (which might be
- * needed for early boot) and don't create any links
- * to it. */
-
- UNIT(s)->default_dependencies = false;
-
- /* Don't timeout special services during boot (like fsck) */
- s->timeout_start_usec = 0;
- s->timeout_stop_usec = 0;
- } else {
- s->timeout_start_usec = DEFAULT_SYSV_TIMEOUT_USEC;
- s->timeout_stop_usec = DEFAULT_SYSV_TIMEOUT_USEC;
- }
-
- /* Special setting for all SysV services */
- s->type = SERVICE_FORKING;
- s->remain_after_exit = !s->pid_file;
- s->guess_main_pid = false;
- s->restart = SERVICE_RESTART_NO;
- s->exec_context.ignore_sigpipe = false;
- s->kill_context.kill_mode = KILL_PROCESS;
-
- /* We use the long description only if
- * no short description is set. */
-
- if (short_description)
- description = short_description;
- else if (chkconfig_description)
- description = chkconfig_description;
- else if (long_description)
- description = long_description;
- else
- description = NULL;
-
- if (description) {
- char *d;
-
- if (!(d = strappend(s->sysv_has_lsb ? "LSB: " : "SYSV: ", description))) {
- r = -ENOMEM;
- goto finish;
- }
-
- u->description = d;
- }
-
- /* The priority that has been set in /etc/rcN.d/ hierarchies
- * takes precedence over what is stored as default in the LSB
- * header */
- if (s->sysv_start_priority_from_rcnd >= 0)
- s->sysv_start_priority = s->sysv_start_priority_from_rcnd;
-
- u->load_state = UNIT_LOADED;
- r = 0;
-
-finish:
-
- if (f)
- fclose(f);
-
- free(short_description);
- free(long_description);
- free(chkconfig_description);
-
- return r;
-}
-
-static int service_load_sysv_name(Service *s, const char *name) {
- char **p;
-
- assert(s);
- assert(name);
-
- /* For SysV services we strip the *.sh suffixes. */
- if (endswith(name, ".sh.service"))
- return -ENOENT;
-
- STRV_FOREACH(p, UNIT(s)->manager->lookup_paths.sysvinit_path) {
- char *path;
- int r;
-
- path = strjoin(*p, "/", name, NULL);
- if (!path)
- return -ENOMEM;
-
- assert(endswith(path, ".service"));
- path[strlen(path)-8] = 0;
-
- r = service_load_sysv_path(s, path);
-
- if (r >= 0 && UNIT(s)->load_state == UNIT_STUB) {
- /* Try *.sh source'able init scripts */
- strcat(path, ".sh");
- r = service_load_sysv_path(s, path);
- }
- free(path);
-
- if (r < 0)
- return r;
-
- if (UNIT(s)->load_state != UNIT_STUB)
- break;
- }
-
- return 0;
-}
-
-static int service_load_sysv(Service *s) {
- const char *t;
- Iterator i;
- int r;
-
- assert(s);
-
- /* Load service data from SysV init scripts, preferably with
- * LSB headers ... */
-
- if (strv_isempty(UNIT(s)->manager->lookup_paths.sysvinit_path))
- return 0;
-
- if ((t = UNIT(s)->id))
- if ((r = service_load_sysv_name(s, t)) < 0)
- return r;
-
- if (UNIT(s)->load_state == UNIT_STUB)
- SET_FOREACH(t, UNIT(s)->names, i) {
- if (t == UNIT(s)->id)
- continue;
-
- if ((r = service_load_sysv_name(s, t)) < 0)
- return r;
-
- if (UNIT(s)->load_state != UNIT_STUB)
- break;
- }
-
- return 0;
+ return sd_event_add_time(
+ UNIT(s)->manager->event,
+ &s->timer_event_source,
+ CLOCK_MONOTONIC,
+ now(CLOCK_MONOTONIC) + usec, 0,
+ service_dispatch_timer, s);
}
-#endif
static int service_verify(Service *s) {
assert(s);
}
if (s->type == SERVICE_ONESHOT && s->restart != SERVICE_RESTART_NO) {
- log_error_unit(UNIT(s)->id, "%s has Restart setting other than no, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ log_error_unit(UNIT(s)->id, "%s has Restart= setting other than no, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
+ return -EINVAL;
+ }
+
+ if (s->type == SERVICE_ONESHOT && !exit_status_set_is_empty(&s->restart_force_status)) {
+ log_error_unit(UNIT(s)->id, "%s has RestartForceStatus= set, which isn't allowed for Type=oneshot services. Refusing.", UNIT(s)->id);
return -EINVAL;
}
if (r < 0)
return r;
-#ifdef HAVE_SYSV_COMPAT
- /* Load a classic init script as a fallback, if we couldn't find anything */
- if (u->load_state == UNIT_STUB) {
- r = service_load_sysv(s);
- if (r < 0)
- return r;
- }
-#endif
-
/* Still nothing found? Then let's give up */
if (u->load_state == UNIT_STUB)
return -ENOENT;
service_fix_output(s);
- r = unit_add_exec_dependencies(u, &s->exec_context);
+ r = unit_patch_contexts(u);
if (r < 0)
return r;
- r = unit_add_default_slice(u);
+ r = unit_add_exec_dependencies(u, &s->exec_context);
if (r < 0)
return r;
-#ifdef HAVE_SYSV_COMPAT
- r = sysv_fix_order(s);
+ r = unit_add_default_slice(u, &s->cgroup_context);
if (r < 0)
return r;
-#endif
-
- if (s->bus_name) {
- r = unit_watch_bus_name(u, s->bus_name);
- if (r < 0)
- return r;
- }
if (s->type == SERVICE_NOTIFY && s->notify_access == NOTIFY_NONE)
s->notify_access = NOTIFY_MAIN;
if (s->watchdog_usec > 0 && s->notify_access == NOTIFY_NONE)
s->notify_access = NOTIFY_MAIN;
- if (UNIT(s)->default_dependencies) {
- r = service_add_default_dependencies(s);
+ if (s->bus_name) {
+ r = unit_watch_bus_name(u, s->bus_name);
if (r < 0)
return r;
}
- r = unit_exec_context_patch_defaults(u, &s->exec_context);
- if (r < 0)
- return r;
+ if (u->default_dependencies) {
+ r = service_add_default_dependencies(s);
+ if (r < 0)
+
+ return r;
+ }
}
return service_verify(s);
}
#ifdef HAVE_SYSV_COMPAT
- if (s->is_sysv)
- fprintf(f,
- "%sSysV Init Script has LSB Header: %s\n"
- "%sSysVEnabled: %s\n",
- prefix, yes_no(s->sysv_has_lsb),
- prefix, yes_no(s->sysv_enabled));
-
if (s->sysv_start_priority >= 0)
fprintf(f,
"%sSysVStartPriority: %i\n",
prefix, s->sysv_start_priority);
-
- if (s->sysv_runlevels)
- fprintf(f, "%sSysVRunLevels: %s\n",
- prefix, s->sysv_runlevels);
#endif
if (s->status_text)
return !r;
}
+static int service_execute_action(Service *s, FailureAction action, const char *reason, bool log_action_none);
+
static void service_enter_dead(Service *s, ServiceResult f, bool allow_restart) {
int r;
assert(s);
service_set_state(s, s->result != SERVICE_SUCCESS ? SERVICE_FAILED : SERVICE_DEAD);
+ if (s->result != SERVICE_SUCCESS)
+ service_execute_action(s, s->failure_action, "failed", false);
+
if (allow_restart &&
!s->forbid_restart &&
(s->restart == SERVICE_RESTART_ALWAYS ||
(s->restart == SERVICE_RESTART_ON_SUCCESS && s->result == SERVICE_SUCCESS) ||
(s->restart == SERVICE_RESTART_ON_FAILURE && s->result != SERVICE_SUCCESS) ||
+ (s->restart == SERVICE_RESTART_ON_ABNORMAL && !IN_SET(s->result, SERVICE_SUCCESS, SERVICE_FAILURE_EXIT_CODE)) ||
(s->restart == SERVICE_RESTART_ON_WATCHDOG && s->result == SERVICE_FAILURE_WATCHDOG) ||
- (s->restart == SERVICE_RESTART_ON_ABORT && (s->result == SERVICE_FAILURE_SIGNAL ||
- s->result == SERVICE_FAILURE_CORE_DUMP))) &&
- (s->result != SERVICE_FAILURE_EXIT_CODE ||
- !set_contains(s->restart_ignore_status.code, INT_TO_PTR(s->main_exec_status.status))) &&
- (s->result != SERVICE_FAILURE_SIGNAL ||
- !set_contains(s->restart_ignore_status.signal, INT_TO_PTR(s->main_exec_status.status)))) {
+ (s->restart == SERVICE_RESTART_ON_ABORT && IN_SET(s->result, SERVICE_FAILURE_SIGNAL, SERVICE_FAILURE_CORE_DUMP)) ||
+ (s->main_exec_status.code == CLD_EXITED && set_contains(s->restart_force_status.status, INT_TO_PTR(s->main_exec_status.status))) ||
+ (IN_SET(s->main_exec_status.code, CLD_KILLED, CLD_DUMPED) && set_contains(s->restart_force_status.signal, INT_TO_PTR(s->main_exec_status.status)))) &&
+ (s->main_exec_status.code != CLD_EXITED || !set_contains(s->restart_prevent_status.status, INT_TO_PTR(s->main_exec_status.status))) &&
+ (!IN_SET(s->main_exec_status.code, CLD_KILLED, CLD_DUMPED) || !set_contains(s->restart_prevent_status.signal, INT_TO_PTR(s->main_exec_status.status)))) {
r = service_arm_timer(s, s->restart_usec);
if (r < 0)
return;
fail:
- log_warning_unit(UNIT(s)->id,
- "%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
+ log_warning_unit(UNIT(s)->id, "%s failed to run 'start-pre' task: %s", UNIT(s)->id, strerror(-r));
service_enter_dead(s, SERVICE_FAILURE_RESOURCES, true);
}
if (UNIT(s)->job && UNIT(s)->job->type == JOB_STOP) {
/* Don't restart things if we are going down anyway */
- log_info_unit(UNIT(s)->id,
- "Stop job pending for unit, delaying automatic restart.");
+ log_info_unit(UNIT(s)->id, "Stop job pending for unit, delaying automatic restart.");
r = service_arm_timer(s, s->restart_usec);
if (r < 0)
* it will be canceled as part of the service_stop() call that
* is executed as part of JOB_RESTART. */
- log_debug_unit(UNIT(s)->id,
- "%s scheduled restart job.", UNIT(s)->id);
+ log_debug_unit(UNIT(s)->id, "%s scheduled restart job.", UNIT(s)->id);
return;
fail:
service_enter_stop(s, SERVICE_FAILURE_RESOURCES);
}
-static int service_start_limit_test(Service *s) {
+static int service_execute_action(Service *s, FailureAction action, const char *reason, bool log_action_none) {
assert(s);
- if (ratelimit_test(&s->start_limit))
- return 0;
+ if (action == SERVICE_FAILURE_ACTION_REBOOT ||
+ action == SERVICE_FAILURE_ACTION_REBOOT_FORCE)
+ update_reboot_param_file(s->reboot_arg);
- switch (s->start_limit_action) {
+ switch (action) {
- case SERVICE_START_LIMIT_NONE:
- log_warning_unit(UNIT(s)->id,
- "%s start request repeated too quickly, refusing to start.",
- UNIT(s)->id);
+ case SERVICE_FAILURE_ACTION_NONE:
+ if (log_action_none)
+ log_warning_unit(UNIT(s)->id,
+ "%s %s, refusing to start.", UNIT(s)->id, reason);
break;
- case SERVICE_START_LIMIT_REBOOT: {
+ case SERVICE_FAILURE_ACTION_REBOOT: {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
log_warning_unit(UNIT(s)->id,
- "%s start request repeated too quickly, rebooting.", UNIT(s)->id);
+ "%s %s, rebooting.", UNIT(s)->id, reason);
r = manager_add_job_by_name(UNIT(s)->manager, JOB_START,
SPECIAL_REBOOT_TARGET, JOB_REPLACE,
break;
}
- case SERVICE_START_LIMIT_REBOOT_FORCE:
+ case SERVICE_FAILURE_ACTION_REBOOT_FORCE:
log_warning_unit(UNIT(s)->id,
- "%s start request repeated too quickly, forcibly rebooting.", UNIT(s)->id);
+ "%s %s, forcibly rebooting.", UNIT(s)->id, reason);
UNIT(s)->manager->exit_code = MANAGER_REBOOT;
break;
- case SERVICE_START_LIMIT_REBOOT_IMMEDIATE:
+ case SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE:
log_warning_unit(UNIT(s)->id,
- "%s start request repeated too quickly, rebooting immediately.", UNIT(s)->id);
+ "%s %s, rebooting immediately.", UNIT(s)->id, reason);
sync();
+ if (s->reboot_arg) {
+ log_info("Rebooting with argument '%s'.", s->reboot_arg);
+ syscall(SYS_reboot, LINUX_REBOOT_MAGIC1, LINUX_REBOOT_MAGIC2,
+ LINUX_REBOOT_CMD_RESTART2, s->reboot_arg);
+ }
+
+ log_info("Rebooting.");
reboot(RB_AUTOBOOT);
break;
default:
log_error_unit(UNIT(s)->id,
- "start limit action=%i", s->start_limit_action);
- assert_not_reached("Unknown StartLimitAction.");
+ "failure action=%i", action);
+ assert_not_reached("Unknown FailureAction.");
}
return -ECANCELED;
}
+static int service_start_limit_test(Service *s) {
+ assert(s);
+
+ if (ratelimit_test(&s->start_limit))
+ return 0;
+
+ return service_execute_action(s, s->start_limit_action, "start request repeated too quickly", true);
+}
+
static int service_start(Unit *u) {
Service *s = SERVICE(u);
int r;
s->main_pid_alien = false;
s->forbid_restart = false;
+ free(s->status_text);
+ s->status_text = NULL;
+ s->status_errno = 0;
+
service_enter_start_pre(s);
return 0;
}
log_debug_unit(u->id, "Failed to parse socket-fd value %s", value);
else {
- if (s->socket_fd >= 0)
- close_nointr_nofail(s->socket_fd);
+ asynchronous_close(s->socket_fd);
s->socket_fd = fdset_remove(fds, fd);
}
} else if (streq(key, "main-exec-status-pid")) {
control_pid_good(s) > 0)
return true;
-#ifdef HAVE_SYSV_COMPAT
- if (s->is_sysv)
- return true;
-#endif
-
return false;
}
static int service_dispatch_watchdog(sd_event_source *source, usec_t usec, void *userdata) {
Service *s = SERVICE(userdata);
+ char t[FORMAT_TIMESPAN_MAX];
assert(s);
assert(source == s->watchdog_event_source);
- log_error_unit(UNIT(s)->id, "%s watchdog timeout!", UNIT(s)->id);
+ log_error_unit(UNIT(s)->id,
+ "%s watchdog timeout (limit %s)!",
+ UNIT(s)->id,
+ format_timespan(t, sizeof(t), s->watchdog_usec, 1));
service_enter_signal(s, SERVICE_STOP_SIGTERM, SERVICE_FAILURE_WATCHDOG);
return 0;
}
if (s->notify_access == NOTIFY_MAIN && pid != s->main_pid) {
-
if (s->main_pid != 0)
log_warning_unit(u->id, "%s: Got notification message from PID "PID_FMT", but reception only permitted for main PID "PID_FMT, u->id, pid, s->main_pid);
else
}
/* Interpret MAINPID= */
- if ((e = strv_find_prefix(tags, "MAINPID=")) &&
- (s->state == SERVICE_START ||
- s->state == SERVICE_START_POST ||
- s->state == SERVICE_RUNNING ||
- s->state == SERVICE_RELOAD)) {
-
+ e = strv_find_prefix(tags, "MAINPID=");
+ if (e && IN_SET(s->state, SERVICE_START, SERVICE_START_POST, SERVICE_RUNNING, SERVICE_RELOAD)) {
if (parse_pid(e + 8, &pid) < 0)
- log_warning_unit(u->id, "Failed to parse notification message %s", e);
+ log_warning_unit(u->id, "Failed to parse MAINPID= field in notification message: %s", e);
else {
log_debug_unit(u->id, "%s: got %s", u->id, e);
service_set_main_pid(s, pid);
free(t);
}
- /* Interpet WATCHDOG= */
+ /* Interpret ERRNO= */
+ e = strv_find_prefix(tags, "ERRNO=");
+ if (e) {
+ int status_errno;
+
+ if (safe_atoi(e + 6, &status_errno) < 0 || status_errno < 0)
+ log_warning_unit(u->id, "Failed to parse ERRNO= field in notification message: %s", e);
+ else {
+ log_debug_unit(u->id, "%s: got %s", u->id, e);
+
+ if (s->status_errno != status_errno) {
+ s->status_errno = status_errno;
+ notify_dbus = true;
+ }
+ }
+ }
+
+ /* Interpret WATCHDOG= */
if (strv_find(tags, "WATCHDOG=1")) {
log_debug_unit(u->id, "%s: got WATCHDOG=1", u->id);
service_reset_watchdog(s);
return 1;
}
-#ifdef HAVE_SYSV_COMPAT
-
-static int service_enumerate(Manager *m) {
- char **p;
- unsigned i;
- _cleanup_closedir_ DIR *d = NULL;
- _cleanup_free_ char *path = NULL, *fpath = NULL, *name = NULL;
- Set *runlevel_services[ELEMENTSOF(rcnd_table)] = {};
- _cleanup_set_free_ Set *shutdown_services = NULL;
- Unit *service;
- Iterator j;
- int r;
-
- assert(m);
-
- if (m->running_as != SYSTEMD_SYSTEM)
- return 0;
-
- STRV_FOREACH(p, m->lookup_paths.sysvrcnd_path)
- for (i = 0; i < ELEMENTSOF(rcnd_table); i ++) {
- struct dirent *de;
-
- free(path);
- path = strjoin(*p, "/", rcnd_table[i].path, NULL);
- if (!path) {
- r = -ENOMEM;
- goto finish;
- }
-
- if (d)
- closedir(d);
-
- d = opendir(path);
- if (!d) {
- if (errno != ENOENT)
- log_warning("opendir(%s) failed: %m", path);
-
- continue;
- }
-
- while ((de = readdir(d))) {
- int a, b;
-
- if (ignore_file(de->d_name))
- continue;
-
- if (de->d_name[0] != 'S' && de->d_name[0] != 'K')
- continue;
-
- if (strlen(de->d_name) < 4)
- continue;
-
- a = undecchar(de->d_name[1]);
- b = undecchar(de->d_name[2]);
-
- if (a < 0 || b < 0)
- continue;
-
- free(fpath);
- fpath = strjoin(path, "/", de->d_name, NULL);
- if (!fpath) {
- r = -ENOMEM;
- goto finish;
- }
-
- if (access(fpath, X_OK) < 0) {
-
- if (errno != ENOENT)
- log_warning("access() failed on %s: %m", fpath);
-
- continue;
- }
-
- free(name);
- name = sysv_translate_name(de->d_name + 3);
- if (!name) {
- r = log_oom();
- goto finish;
- }
-
- r = manager_load_unit_prepare(m, name, NULL, NULL, &service);
- if (r < 0) {
- log_warning("Failed to prepare unit %s: %s", name, strerror(-r));
- continue;
- }
-
- if (de->d_name[0] == 'S') {
-
- if (rcnd_table[i].type == RUNLEVEL_UP) {
- SERVICE(service)->sysv_start_priority_from_rcnd =
- MAX(a*10 + b, SERVICE(service)->sysv_start_priority_from_rcnd);
-
- SERVICE(service)->sysv_enabled = true;
- }
-
- r = set_ensure_allocated(&runlevel_services[i],
- trivial_hash_func, trivial_compare_func);
- if (r < 0)
- goto finish;
-
- r = set_put(runlevel_services[i], service);
- if (r < 0)
- goto finish;
-
- } else if (de->d_name[0] == 'K' &&
- (rcnd_table[i].type == RUNLEVEL_DOWN)) {
-
- r = set_ensure_allocated(&shutdown_services,
- trivial_hash_func, trivial_compare_func);
- if (r < 0)
- goto finish;
-
- r = set_put(shutdown_services, service);
- if (r < 0)
- goto finish;
- }
- }
- }
-
- /* Now we loaded all stubs and are aware of the lowest
- start-up priority for all services, not let's actually load
- the services, this will also tell us which services are
- actually native now */
- manager_dispatch_load_queue(m);
-
- /* If this is a native service, rely on native ways to pull in
- * a service, don't pull it in via sysv rcN.d links. */
- for (i = 0; i < ELEMENTSOF(rcnd_table); i ++)
- SET_FOREACH(service, runlevel_services[i], j) {
- service = unit_follow_merge(service);
-
- if (service->fragment_path)
- continue;
-
- r = unit_add_two_dependencies_by_name_inverse(
- service, UNIT_AFTER, UNIT_WANTS,
- rcnd_table[i].target, NULL, true);
- if (r < 0)
- goto finish;
- }
-
- /* We honour K links only for halt/reboot. For the normal
- * runlevels we assume the stop jobs will be implicitly added
- * by the core logic. Also, we don't really distinguish here
- * between the runlevels 0 and 6 and just add them to the
- * special shutdown target. */
- SET_FOREACH(service, shutdown_services, j) {
- service = unit_follow_merge(service);
-
- if (service->fragment_path)
- continue;
-
- r = unit_add_two_dependencies_by_name(
- service, UNIT_BEFORE, UNIT_CONFLICTS,
- SPECIAL_SHUTDOWN_TARGET, NULL, true);
- if (r < 0)
- goto finish;
- }
-
- r = 0;
-
-finish:
-
- for (i = 0; i < ELEMENTSOF(rcnd_table); i++)
- set_free(runlevel_services[i]);
-
- return r;
-}
-#endif
-
static void service_bus_name_owner_change(
Unit *u,
const char *name,
[SERVICE_RESTART_NO] = "no",
[SERVICE_RESTART_ON_SUCCESS] = "on-success",
[SERVICE_RESTART_ON_FAILURE] = "on-failure",
+ [SERVICE_RESTART_ON_ABNORMAL] = "on-abnormal",
[SERVICE_RESTART_ON_WATCHDOG] = "on-watchdog",
[SERVICE_RESTART_ON_ABORT] = "on-abort",
- [SERVICE_RESTART_ALWAYS] = "always"
+ [SERVICE_RESTART_ALWAYS] = "always",
};
DEFINE_STRING_TABLE_LOOKUP(service_restart, ServiceRestart);
DEFINE_STRING_TABLE_LOOKUP(service_result, ServiceResult);
-static const char* const start_limit_action_table[_SERVICE_START_LIMIT_MAX] = {
- [SERVICE_START_LIMIT_NONE] = "none",
- [SERVICE_START_LIMIT_REBOOT] = "reboot",
- [SERVICE_START_LIMIT_REBOOT_FORCE] = "reboot-force",
- [SERVICE_START_LIMIT_REBOOT_IMMEDIATE] = "reboot-immediate"
+static const char* const failure_action_table[_SERVICE_FAILURE_ACTION_MAX] = {
+ [SERVICE_FAILURE_ACTION_NONE] = "none",
+ [SERVICE_FAILURE_ACTION_REBOOT] = "reboot",
+ [SERVICE_FAILURE_ACTION_REBOOT_FORCE] = "reboot-force",
+ [SERVICE_FAILURE_ACTION_REBOOT_IMMEDIATE] = "reboot-immediate"
};
-DEFINE_STRING_TABLE_LOOKUP(start_limit_action, StartLimitAction);
+DEFINE_STRING_TABLE_LOOKUP(failure_action, FailureAction);
const UnitVTable service_vtable = {
.object_size = sizeof(Service),
.bus_commit_properties = bus_service_commit_properties,
.get_timeout = service_get_timeout,
-
-#ifdef HAVE_SYSV_COMPAT
- .enumerate = service_enumerate,
-#endif
-
.can_transient = true,
.status_message_formats = {
~ianmdlvl / elogind.git / blobdiff