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/*-*- 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"
#include "strv.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;
char **p;
STRV_FOREACH(p, u->meta.manager->unit_path) {
if (asprintf(&path, "%s/%s.wants", *p, 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 (ignore_file(de->d_name))
continue;
if (asprintf(&path, "%s/%s.wants/%s", *p, 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;
}
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