+static int sysv_translate_name(const char *name, char **_r) {
+
+ static const char * const table[] = {
+ "$local_fs", SPECIAL_LOCAL_FS_TARGET,
+ "$network", SPECIAL_NETWORK_TARGET,
+ "$named", SPECIAL_NSS_LOOKUP_TARGET,
+ "$portmap", SPECIAL_RPCBIND_TARGET,
+ "$remote_fs", SPECIAL_REMOTE_FS_TARGET,
+ "$syslog", SPECIAL_SYSLOG_TARGET,
+ "$time", SPECIAL_RTC_SET_TARGET
+ };
+
+ unsigned i;
+ char *r;
+
+ for (i = 0; i < ELEMENTSOF(table); i += 2)
+ if (streq(table[i], name)) {
+ if (!(r = strdup(table[i+1])))
+ return -ENOMEM;
+
+ goto finish;
+ }
+
+ if (*name == '$')
+ return 0;
+
+ if (asprintf(&r, "%s.service", name) < 0)
+ return -ENOMEM;
+
+finish:
+
+ if (_r)
+ *_r = r;
+
+ return 1;
+}
+
+static int sysv_chkconfig_order(Service *s) {
+ Meta *other;
+ int r;
+
+ assert(s);
+
+ 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. */
+
+ LIST_FOREACH(units_per_type, other, UNIT(s)->meta.manager->units_per_type[UNIT_SERVICE]) {
+ Service *t;
+ UnitDependency d;
+
+ t = (Service*) other;
+
+ if (s == t)
+ continue;
+
+ if (t->sysv_start_priority < 0)
+ continue;
+
+ 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))) < 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) {
+ ExecCommand *c;
+
+ assert(s);
+ assert(s->sysv_path);
+
+ if (!(c = exec_command_new(s->sysv_path, "start")))
+ return -ENOMEM;
+ exec_command_append_list(s->exec_command+SERVICE_EXEC_START, c);
+
+ if (!(c = exec_command_new(s->sysv_path, "stop")))
+ return -ENOMEM;
+ exec_command_append_list(s->exec_command+SERVICE_EXEC_STOP, c);
+
+ if (!(c = exec_command_new(s->sysv_path, "reload")))
+ return -ENOMEM;
+ exec_command_append_list(s->exec_command+SERVICE_EXEC_RELOAD, c);
+
+ return 0;
+}
+
+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
+ } state = NORMAL;
+ bool has_lsb = false;
+
+ u = UNIT(s);
+
+ if (!(f = fopen(path, "re"))) {
+ r = errno == ENOENT ? 0 : -errno;
+ goto finish;
+ }
+
+ s->type = SERVICE_FORKING;
+ s->restart = SERVICE_ONCE;
+
+ free(s->sysv_path);
+ if (!(s->sysv_path = strdup(path))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ while (!feof(f)) {
+ char l[LINE_MAX], *t;
+
+ if (!fgets(l, sizeof(l), f)) {
+ if (feof(f))
+ break;
+
+ r = -errno;
+ log_error("Failed to read configuration file '%s': %s", path, strerror(-r));
+ goto finish;
+ }
+
+ line++;
+
+ t = strstrip(l);
+ if (*t != '#')
+ continue;
+
+ if (state == NORMAL && streq(t, "### BEGIN INIT INFO")) {
+ state = LSB;
+ 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(t, "chkconfig:")) {
+ int start_priority;
+
+ state = NORMAL;
+
+ if (sscanf(t+10, "%*15s %i %*i",
+ &start_priority) != 1) {
+
+ log_warning("[%s:%u] Failed to parse chkconfig line. Ignoring.", path, line);
+ continue;
+ }
+
+ if (start_priority < 0 || start_priority > 99) {
+ log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line);
+ continue;
+ }
+
+ s->sysv_start_priority = start_priority;
+
+ } else if (startswith(t, "description:")) {
+
+ size_t k = strlen(t);
+ char *d;
+
+ if (t[k-1] == '\\') {
+ state = DESCRIPTION;
+ t[k-1] = 0;
+ }
+
+ if (!(d = strdup(strstrip(t+12)))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ free(u->meta.description);
+ u->meta.description = d;
+
+ } else if (startswith(t, "pidfile:")) {
+
+ char *fn;
+
+ state = NORMAL;
+
+ fn = strstrip(t+8);
+ if (!path_is_absolute(fn)) {
+ log_warning("[%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 *d;
+
+ if (t[k-1] == '\\')
+ t[k-1] = 0;
+ else
+ state = NORMAL;
+
+ assert(u->meta.description);
+ if (asprintf(&d, "%s %s", u->meta.description, strstrip(t)) < 0) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ free(u->meta.description);
+ u->meta.description = d;
+
+ } else if (state == LSB || state == LSB_DESCRIPTION) {
+
+ if (startswith(t, "Provides:")) {
+ char *i, *w;
+ size_t z;
+
+ state = LSB;
+
+ FOREACH_WORD(w, z, t+9, i) {
+ char *n, *m;
+
+ if (!(n = strndup(w, z))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ r = sysv_translate_name(n, &m);
+ free(n);
+
+ if (r < 0)
+ goto finish;
+
+ if (r == 0)
+ continue;
+
+ if (unit_name_to_type(m) == UNIT_SERVICE)
+ r = unit_add_name(u, m);
+ else {
+ if ((r = unit_add_dependency_by_name_inverse(u, UNIT_REQUIRES, m)) >= 0)
+ r = unit_add_dependency_by_name(u, UNIT_BEFORE, m);
+ }
+
+ free(m);
+
+ if (r < 0)
+ goto finish;
+ }
+
+ } else if (startswith(t, "Required-Start:") ||
+ startswith(t, "Should-Start:")) {
+ char *i, *w;
+ size_t z;
+
+ state = LSB;
+
+ FOREACH_WORD(w, z, strchr(t, ':')+1, i) {
+ char *n, *m;
+
+ if (!(n = strndup(w, z))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ r = sysv_translate_name(n, &m);
+ free(n);
+
+ if (r < 0)
+ goto finish;
+
+ 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);
+ free(m);
+
+ if (r < 0)
+ goto finish;
+ }
+
+ } else if (startswith(t, "Description:")) {
+ char *d;
+
+ state = LSB_DESCRIPTION;
+
+ if (!(d = strdup(strstrip(t+12)))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ free(u->meta.description);
+ u->meta.description = d;
+
+ } else if (startswith(t, "Short-Description:") && !u->meta.description) {
+ char *d;
+
+ /* We use the short description only
+ * if no long description is set. */
+
+ state = LSB;
+
+ if (!(d = strdup(strstrip(t+18)))) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ free(u->meta.description);
+ u->meta.description = d;
+
+ } else if (state == LSB_DESCRIPTION) {
+
+ if (startswith(l, "#\t") || startswith(l, "# ")) {
+ char *d;
+
+ assert(u->meta.description);
+ if (asprintf(&d, "%s %s", u->meta.description, t) < 0) {
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ free(u->meta.description);
+ u->meta.description = d;
+ } else
+ state = LSB;
+ }
+ }
+ }
+
+ /* If the init script has no LSB header, then let's
+ * enforce the ordering via the chkconfig
+ * priorities */
+
+ if (!has_lsb)
+ if ((r = sysv_chkconfig_order(s)) < 0)
+ goto finish;
+
+ if ((r = sysv_exec_commands(s)) < 0)
+ goto finish;
+
+ r = 1;
+
+finish:
+
+ if (f)
+ fclose(f);
+
+ return r;
+}
+
+static int service_load_sysv_name(Service *s, const char *name) {
+ char **p;
+
+ assert(s);
+ assert(name);
+
+ STRV_FOREACH(p, UNIT(s)->meta.manager->sysvinit_path) {
+ char *path;
+ int r;
+
+ if (asprintf(&path, "%s/%s", *p, name) < 0)
+ return -ENOMEM;
+
+ assert(endswith(path, ".service"));
+ path[strlen(path)-8] = 0;
+
+ r = service_load_sysv_path(s, path);
+ free(path);
+
+ if (r >= 0)
+ return r;
+ }
+
+ return 0;
+}
+