X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=load-dropin.c;h=2101e330046711706971155ec6d580ac18ababec;hp=7105cb86a6d8eaa731ffbef8e5fefc543a4b9086;hb=aa4112670b37f2ca1cd64a63337575d45e0d7f36;hpb=5cb5a6ffc33667c93e9bc3572534dcaa684046e3 diff --git a/load-dropin.c b/load-dropin.c index 7105cb86a..2101e3300 100644 --- a/load-dropin.c +++ b/load-dropin.c @@ -1,11 +1,117 @@ /*-*- 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 . +***/ + +#include +#include + +#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))) { -int name_load_dropin(Name *n) { - assert(n); + 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; }