mirror of
https://github.com/AuxXxilium/eudev.git
synced 2024-11-24 07:20:56 +07:00
118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
/*-*- 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"
|
|
#include "unit-name.h"
|
|
|
|
static int iterate_dir(Unit *u, const char *path) {
|
|
DIR *d;
|
|
struct dirent *de;
|
|
int r;
|
|
|
|
if (!(d = opendir(path))) {
|
|
|
|
if (errno == ENOENT)
|
|
return 0;
|
|
|
|
return -errno;
|
|
}
|
|
|
|
while ((de = readdir(d))) {
|
|
char *f;
|
|
|
|
if (ignore_file(de->d_name))
|
|
continue;
|
|
|
|
if (asprintf(&f, "%s/%s", path, de->d_name) < 0) {
|
|
r = -ENOMEM;
|
|
goto finish;
|
|
}
|
|
|
|
r = unit_add_dependency_by_name(u, UNIT_WANTS, de->d_name, f, true);
|
|
free(f);
|
|
|
|
if (r < 0)
|
|
goto finish;
|
|
}
|
|
|
|
r = 0;
|
|
|
|
finish:
|
|
closedir(d);
|
|
return r;
|
|
}
|
|
|
|
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;
|
|
char **p;
|
|
|
|
STRV_FOREACH(p, u->meta.manager->unit_path) {
|
|
|
|
if (asprintf(&path, "%s/%s.wants", *p, t) < 0)
|
|
return -ENOMEM;
|
|
|
|
r = iterate_dir(u, path);
|
|
free(path);
|
|
|
|
if (r < 0)
|
|
return r;
|
|
|
|
if (u->meta.instance) {
|
|
char *template;
|
|
/* Also try the template dir */
|
|
|
|
if (!(template = unit_name_template(t)))
|
|
return -ENOMEM;
|
|
|
|
r = asprintf(&path, "%s/%s.wants", *p, template);
|
|
free(template);
|
|
|
|
if (r < 0)
|
|
return -ENOMEM;
|
|
|
|
r = iterate_dir(u, path);
|
|
free(path);
|
|
|
|
if (r < 0)
|
|
return r;
|
|
}
|
|
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|