/*-*- Mode: C; c-basic-offset: 8 -*-*/ /*** This file is part of systemd. Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <dirent.h> #include <errno.h> #include "unit.h" #include "load-dropin.h" #include "log.h" int unit_load_dropin(Unit *u) { Iterator i; int r; char *t; assert(u); /* Load dependencies from supplementary drop-in directories */ SET_FOREACH(t, u->meta.names, i) { char *path; DIR *d; struct dirent *de; if (asprintf(&path, "%s/%s.wants", unit_path(), t) < 0) return -ENOMEM; if (!(d = opendir(path))) { r = -errno; free(path); if (r == -ENOENT) continue; return r; } free(path); while ((de = readdir(d))) { if (de->d_name[0] == '.') continue; assert(de->d_name[0]); if (de->d_name[strlen(de->d_name)-1] == '~') continue; if (asprintf(&path, "%s/%s.wants/%s", unit_path(), t, de->d_name) < 0) { closedir(d); return -ENOMEM; } if (!unit_name_is_valid(de->d_name)) { log_info("Name of %s is not a valid unit name. Ignoring.", path); free(path); continue; } r = unit_add_dependency_by_name(u, UNIT_WANTS, path); free(path); if (r < 0) { closedir(d); return r; } } closedir(d); } return 0; }