#define NEWLINES "\n\r"
#define LINE_MAX 4096
+static const char * const rcnd_table[] = {
+ "/rc0.d", SPECIAL_RUNLEVEL0_TARGET,
+ "/rc1.d", SPECIAL_RUNLEVEL1_TARGET,
+ "/rc2.d", SPECIAL_RUNLEVEL2_TARGET,
+ "/rc3.d", SPECIAL_RUNLEVEL3_TARGET,
+ "/rc4.d", SPECIAL_RUNLEVEL4_TARGET,
+ "/rc5.d", SPECIAL_RUNLEVEL5_TARGET,
+ "/rc6.d", SPECIAL_RUNLEVEL6_TARGET,
+ "/boot.d", SPECIAL_BASIC_TARGET
+};
+
static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
[SERVICE_DEAD] = UNIT_INACTIVE,
[SERVICE_START_PRE] = UNIT_ACTIVATING,
free(s->sysv_path);
s->sysv_path = NULL;
+ free(s->sysv_runlevels);
+ s->sysv_runlevels = NULL;
+
exec_context_done(&s->exec_context);
exec_command_free_array(s->exec_command, _SERVICE_EXEC_MAX);
s->control_command = NULL;
if (s->sysv_start_priority < 0)
return 0;
- /* If no LSB header is found we try to order init scripts via
- * the start priority of the chkconfig header. */
+ /* 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]) {
Service *t;
if (t->sysv_start_priority < 0)
continue;
+ /* If both units have modern headers we don't care
+ * about the priorities */
+ if ((!s->sysv_path || s->sysv_has_lsb) &&
+ (!t->sysv_path || t->sysv_has_lsb))
+ continue;
+
if (t->sysv_start_priority < s->sysv_start_priority)
d = UNIT_AFTER;
else if (t->sysv_start_priority > s->sysv_start_priority)
return 0;
}
-static int service_load_sysv_path(Service *s, const char *path) {
+static int priority_from_rcd(Service *s, const char *init_script) {
+ char **p;
+ unsigned i;
+
+ STRV_FOREACH(p, UNIT(s)->meta.manager->sysvrcnd_path)
+ for (i = 0; i < ELEMENTSOF(rcnd_table); i += 2) {
+ char *path;
+ DIR *d;
+ struct dirent *de;
+
+ if (asprintf(&path, "%s/%s", *p, rcnd_table[i]) < 0)
+ return -ENOMEM;
+
+ d = opendir(path);
+ free(path);
+
+ if (!d) {
+ if (errno != ENOENT)
+ log_warning("opendir() failed on %s: %s", path, strerror(errno));
+
+ continue;
+ }
+
+ while ((de = readdir(d))) {
+ int a, b;
+
+ if (ignore_file(de->d_name))
+ continue;
+
+ if (de->d_name[0] != 'S')
+ continue;
+
+ if (strlen(de->d_name) < 4)
+ continue;
+
+ if (!streq(de->d_name + 3, init_script))
+ continue;
+
+ /* Yay, we found it! Now decode the priority */
+
+ a = undecchar(de->d_name[1]);
+ b = undecchar(de->d_name[2]);
+
+ if (a < 0 || b < 0)
+ continue;
+
+ s->sysv_start_priority = a*10 + b;
+
+ log_debug("Determined priority %i from link farm for %s", s->sysv_start_priority, unit_id(UNIT(s)));
+
+ closedir(d);
+ return 0;
+ }
+
+ closedir(d);
+ }
+
+ return 0;
+}
+
+static int service_load_sysv_path(Service *s, const char *path, UnitLoadState *new_state) {
FILE *f;
Unit *u;
unsigned line = 0;
LSB,
LSB_DESCRIPTION
} state = NORMAL;
- bool has_lsb = false;
+
+ assert(s);
+ assert(path);
+ assert(new_state);
u = UNIT(s);
if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
state = LSB;
- has_lsb = true;
+ s->sysv_has_lsb = true;
continue;
}
if (startswith(t, "chkconfig:")) {
int start_priority;
+ char runlevels[16], *k;
state = NORMAL;
- if (sscanf(t+10, "%*15s %i %*i",
- &start_priority) != 1) {
+ if (sscanf(t+10, "%15s %i %*i",
+ runlevels,
+ &start_priority) != 2) {
log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
continue;
}
- if (start_priority < 0 || start_priority > 99) {
+ if (start_priority < 0 || start_priority > 99)
log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
- continue;
+ 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;
}
- s->sysv_start_priority = start_priority;
} else if (startswith(t, "description:")) {
if (r == 0)
continue;
- if (!(r = unit_add_dependency_by_name(u, UNIT_AFTER, m)) < 0) {
- free(m);
- goto finish;
- }
-
- r = unit_add_dependency_by_name(
- u,
- startswith(t, "Required-Start:") ? UNIT_REQUIRES : UNIT_WANTS,
- m);
+ r = unit_add_dependency_by_name(u, UNIT_AFTER, m);
free(m);
if (r < 0)
goto finish;
}
+ } else if (startswith(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(t, "Description:")) {
char *d;
free(u->meta.description);
u->meta.description = d;
- } else if (startswith(t, "Short-Description:") && !u->meta.description) {
+ } else if (startswith(t, "Short-Description:") &&
+ !u->meta.description) {
char *d;
/* We use the short description only
goto finish;
}
- free(u->meta.description);
u->meta.description = d;
} else if (state == LSB_DESCRIPTION) {
}
}
- /* If the init script has no LSB header, then let's
- * enforce the ordering via the chkconfig
- * priorities */
+ /* If init scripts have no LSB header, then we enforce the
+ * ordering via the chkconfig priorities. We try to determine
+ * a priority for *all* init scripts here, since they are
+ * needed as soon as at least one non-LSB script is used. */
- if (!has_lsb)
- if ((r = sysv_chkconfig_order(s)) < 0)
+ if (s->sysv_start_priority < 0) {
+ log_debug("%s has no chkconfig header, trying to determine SysV priority from link farm.", unit_id(u));
+
+ if ((r = priority_from_rcd(s, file_name_from_path(path))) < 0)
goto finish;
+ if (s->sysv_start_priority < 0)
+ log_warning("%s has neither a chkconfig header nor a directory link, cannot order unit!", unit_id(u));
+ }
+
if ((r = sysv_exec_commands(s)) < 0)
goto finish;
- r = 1;
+ if (!s->sysv_runlevels || chars_intersect("12345", 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. */
+
+ if ((r = unit_add_dependency_by_name(u, UNIT_REQUIRES, SPECIAL_BASIC_TARGET)) < 0 ||
+ (r = unit_add_dependency_by_name(u, UNIT_AFTER, SPECIAL_BASIC_TARGET)) < 0)
+ goto finish;
+ }
+
+ *new_state = UNIT_LOADED;
+ r = 0;
finish:
return r;
}
-static int service_load_sysv_name(Service *s, const char *name) {
+static int service_load_sysv_name(Service *s, const char *name, UnitLoadState *new_state) {
char **p;
assert(s);
assert(endswith(path, ".service"));
path[strlen(path)-8] = 0;
- r = service_load_sysv_path(s, path);
+ r = service_load_sysv_path(s, path, new_state);
free(path);
- if (r >= 0)
+ if (r < 0)
return r;
+
+ if (*new_state != UNIT_STUB)
+ break;
}
return 0;
}
-static int service_load_sysv(Service *s) {
+static int service_load_sysv(Service *s, UnitLoadState *new_state) {
const char *t;
Iterator i;
int r;
assert(s);
+ assert(new_state);
/* Load service data from SysV init scripts, preferably with
* LSB headers ... */
return 0;
if ((t = unit_id(UNIT(s))))
- if ((r = service_load_sysv_name(s, t)) != 0)
+ if ((r = service_load_sysv_name(s, t, new_state)) < 0)
return r;
- SET_FOREACH(t, UNIT(s)->meta.names, i)
- if ((r == service_load_sysv_name(s, t)) != 0)
- return r;
+ if (*new_state == UNIT_STUB)
+ SET_FOREACH(t, UNIT(s)->meta.names, i) {
+ if ((r == service_load_sysv_name(s, t, new_state)) < 0)
+ return r;
+
+ if (*new_state != UNIT_STUB)
+ break;
+ }
return 0;
}
-static int service_init(Unit *u) {
+static int service_init(Unit *u, UnitLoadState *new_state) {
int r;
Service *s = SERVICE(u);
assert(s);
+ assert(new_state);
+ assert(*new_state == UNIT_STUB);
/* First, reset everything to the defaults, in case this is a
* reload */
s->sysv_start_priority = -1;
s->permissions_start_only = false;
s->root_directory_start_only = false;
+ s->valid_no_process = false;
+ s->kill_mode = 0;
+ s->sysv_has_lsb = false;
+ s->main_pid = s->control_pid = 0;
+ s->main_pid_known = false;
+ s->failure = false;
RATELIMIT_INIT(s->ratelimit, 10*USEC_PER_SEC, 5);
/* Load a .service file */
- if ((r = unit_load_fragment(u)) < 0) {
- service_done(u);
+ if ((r = unit_load_fragment(u, new_state)) < 0)
return r;
- }
/* Load a classic init script as a fallback, if we couldn't find anything */
- if (r == 0)
- if ((r = service_load_sysv(s)) <= 0) {
- service_done(u);
- return r < 0 ? r : -ENOENT;
- }
+ if (*new_state == UNIT_STUB)
+ if ((r = service_load_sysv(s, new_state)) < 0)
+ return r;
- /* Load dropin directory data */
- if ((r = unit_load_dropin(u)) < 0) {
- service_done(u);
- return r;
- }
+ /* Still nothing found? Then let's give up */
+ if (*new_state == UNIT_STUB)
+ return -ENOENT;
- /* Add default cgroup */
- if ((r = unit_add_default_cgroup(u)) < 0) {
- service_done(u);
+ /* We were able to load something, then let's add in the
+ * dropin directories. */
+ if ((r = unit_load_dropin(unit_follow_merge(u))) < 0)
return r;
+
+ /* This is a new unit? Then let's add in some extras */
+ if (*new_state == UNIT_LOADED) {
+ if ((r = unit_add_exec_dependencies(u, &s->exec_context)) < 0)
+ return r;
+
+ if ((r = unit_add_default_cgroup(u)) < 0)
+ return r;
+
+ if ((r = sysv_chkconfig_order(s)) < 0)
+ return r;
}
return 0;
"%sService State: %s\n"
"%sPermissionsStartOnly: %s\n"
"%sRootDirectoryStartOnly: %s\n"
- "%sValidNoProcess: %s\n",
+ "%sValidNoProcess: %s\n"
+ "%sKillMode: %s\n"
+ "%sType: %s\n",
prefix, service_state_to_string(s->state),
prefix, yes_no(s->permissions_start_only),
prefix, yes_no(s->root_directory_start_only),
- prefix, yes_no(s->valid_no_process));
+ prefix, yes_no(s->valid_no_process),
+ prefix, kill_mode_to_string(s->kill_mode),
+ prefix, service_type_to_string(s->type));
+
+ if (s->control_pid > 0)
+ fprintf(f,
+ "%sControl PID: %llu\n",
+ prefix, (unsigned long long) s->control_pid);
+
+ if (s->main_pid > 0)
+ fprintf(f,
+ "%sMain PID: %llu\n",
+ prefix, (unsigned long long) s->main_pid);
if (s->pid_file)
fprintf(f,
"%sPIDFile: %s\n",
prefix, s->pid_file);
-
exec_context_dump(&s->exec_context, f, prefix);
for (c = 0; c < _SERVICE_EXEC_MAX; c++) {
if (s->sysv_path)
fprintf(f,
- "%sSysV Init Script Path: %s\n",
- prefix, s->sysv_path);
+ "%sSysV Init Script Path: %s\n"
+ "%sSysV Init Script has LSB Header: %s\n",
+ prefix, s->sysv_path,
+ prefix, yes_no(s->sysv_has_lsb));
if (s->sysv_start_priority >= 0)
fprintf(f,
- "%sSysV Start Priority: %i\n",
+ "%sSysVStartPriority: %i\n",
prefix, s->sysv_start_priority);
+ if (s->sysv_runlevels)
+ fprintf(f, "%sSysVRunLevels: %s\n",
+ prefix, s->sysv_runlevels);
+
free(p2);
}
if ((unsigned long) (pid_t) p != p)
return -ERANGE;
- s->main_pid = p;
+ if (kill((pid_t) p, 0) < 0 && errno != EPERM) {
+ log_warning("PID %llu read from file %s does not exist. Your service or init script might be broken.",
+ (unsigned long long) p, s->pid_file);
+ return -ESRCH;
+ }
+
+ if ((r = unit_watch_pid(UNIT(s), (pid_t) p)) < 0)
+ /* FIXME: we need to do something here */
+ return r;
+
+ s->main_pid = (pid_t) p;
s->main_pid_known = true;
return 0;
state == SERVICE_AUTO_RESTART)
service_notify_sockets(s);
+ if (old_state == state)
+ return;
+
log_debug("%s changed %s → %s", unit_id(UNIT(s)), service_state_to_string(old_state), service_state_to_string(state));
unit_notify(UNIT(s), state_translation_table[old_state], state_translation_table[state]);
sig = (state == SERVICE_STOP_SIGTERM || state == SERVICE_FINAL_SIGTERM) ? SIGTERM : SIGKILL;
- r = 0;
- if (s->main_pid > 0) {
- if (kill(s->main_pid, sig) < 0 && errno != ESRCH)
- r = -errno;
- else
- sent = true;
- }
+ if (s->kill_mode == KILL_CONTROL_GROUP) {
- if (s->control_pid > 0) {
- if (kill(s->control_pid, sig) < 0 && errno != ESRCH)
- r = -errno;
- else
+ if ((r = cgroup_bonding_kill_list(UNIT(s)->meta.cgroup_bondings, sig)) < 0) {
+ if (r != -EAGAIN && r != -ESRCH)
+ goto fail;
+ } else
sent = true;
}
- if (r < 0)
- goto fail;
+ if (!sent) {
+ r = 0;
+ if (s->main_pid > 0) {
+ if (kill(s->kill_mode == KILL_PROCESS ? s->main_pid : -s->main_pid, sig) < 0 && errno != ESRCH)
+ r = -errno;
+ else
+ sent = true;
+ }
+
+ if (s->control_pid > 0) {
+ if (kill(s->kill_mode == KILL_PROCESS ? s->control_pid : -s->control_pid, sig) < 0 && errno != ESRCH)
+ r = -errno;
+ else
+ sent = true;
+ }
+
+ if (r < 0)
+ goto fail;
+ }
}
service_set_state(s, state);
s->exec_command[SERVICE_EXEC_START]->exec_status = s->main_exec_status;
}
- log_debug("%s: main process exited, code=%s status=%i", unit_id(u), sigchld_code_to_string(code), status);
+ log_debug("%s: main process exited, code=%s, status=%i", unit_id(u), sigchld_code_to_string(code), status);
/* The service exited, so the service is officially
* gone. */
}
static int service_enumerate(Manager *m) {
-
- static const char * const rcnd[] = {
- "../rc0.d", SPECIAL_RUNLEVEL0_TARGET,
- "../rc1.d", SPECIAL_RUNLEVEL1_TARGET,
- "../rc2.d", SPECIAL_RUNLEVEL2_TARGET,
- "../rc3.d", SPECIAL_RUNLEVEL3_TARGET,
- "../rc4.d", SPECIAL_RUNLEVEL4_TARGET,
- "../rc5.d", SPECIAL_RUNLEVEL5_TARGET,
- "../rc6.d", SPECIAL_RUNLEVEL6_TARGET
- };
-
char **p;
unsigned i;
DIR *d = NULL;
assert(m);
- STRV_FOREACH(p, m->sysvinit_path)
- for (i = 0; i < ELEMENTSOF(rcnd); i += 2) {
+ STRV_FOREACH(p, m->sysvrcnd_path)
+ for (i = 0; i < ELEMENTSOF(rcnd_table); i += 2) {
struct dirent *de;
free(path);
path = NULL;
- if (asprintf(&path, "%s/%s", *p, rcnd[i]) < 0) {
+ if (asprintf(&path, "%s/%s", *p, rcnd_table[i]) < 0) {
r = -ENOMEM;
goto finish;
}
free(fpath);
fpath = NULL;
- if (asprintf(&fpath, "%s/%s/%s", *p, rcnd[i], de->d_name) < 0) {
+ if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i], de->d_name) < 0) {
r = -ENOMEM;
goto finish;
}
if ((r = manager_load_unit(m, name, &service)) < 0)
goto finish;
- if ((r = manager_load_unit(m, rcnd[i+1], &runlevel)) < 0)
+ if ((r = manager_load_unit(m, rcnd_table[i+1], &runlevel)) < 0)
goto finish;
if (de->d_name[0] == 'S') {
if ((r = unit_add_dependency(runlevel, UNIT_AFTER, service)) < 0)
goto finish;
- } else {
+
+ } else if (de->d_name[0] == 'K' &&
+ (streq(rcnd_table[i+1], SPECIAL_RUNLEVEL0_TARGET) ||
+ streq(rcnd_table[i+1], SPECIAL_RUNLEVEL6_TARGET))) {
+
+ /* 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. */
+
if ((r = unit_add_dependency(runlevel, UNIT_CONFLICTS, service)) < 0)
goto finish;