157 lines
5.1 KiB
C
157 lines
5.1 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
|
|
|
|
/***
|
|
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 Lesser General Public License as published by
|
|
the Free Software Foundation; either version 2.1 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
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <unistd.h>
|
|
#include <fcntl.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <sys/stat.h>
|
|
#include <limits.h>
|
|
#include <dirent.h>
|
|
#include <libkmod.h>
|
|
|
|
#include "log.h"
|
|
#include "util.h"
|
|
#include "strv.h"
|
|
#include "conf-files.h"
|
|
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wformat-nonliteral"
|
|
static void systemd_kmod_log(void *data, int priority, const char *file, int line,
|
|
const char *fn, const char *format, va_list args)
|
|
{
|
|
log_meta(priority, file, line, fn, format, args);
|
|
}
|
|
#pragma GCC diagnostic pop
|
|
|
|
int main(int argc, char *argv[]) {
|
|
int r = EXIT_FAILURE;
|
|
char **files, **fn;
|
|
struct kmod_ctx *ctx;
|
|
const int probe_flags = KMOD_PROBE_APPLY_BLACKLIST|KMOD_PROBE_IGNORE_LOADED;
|
|
|
|
if (argc > 1) {
|
|
log_error("This program takes no argument.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
log_set_target(LOG_TARGET_AUTO);
|
|
log_parse_environment();
|
|
log_open();
|
|
|
|
umask(0022);
|
|
|
|
ctx = kmod_new(NULL, NULL);
|
|
if (!ctx) {
|
|
log_error("Failed to allocate memory for kmod.");
|
|
goto finish;
|
|
}
|
|
|
|
kmod_load_resources(ctx);
|
|
|
|
kmod_set_log_fn(ctx, systemd_kmod_log, NULL);
|
|
|
|
if (conf_files_list(&files, ".conf",
|
|
"/etc/modules-load.d",
|
|
"/run/modules-load.d",
|
|
"/usr/local/lib/modules-load.d",
|
|
"/usr/lib/modules-load.d",
|
|
#ifdef HAVE_SPLIT_USR
|
|
"/lib/modules-load.d",
|
|
#endif
|
|
NULL) < 0) {
|
|
log_error("Failed to enumerate modules-load.d files: %s", strerror(-r));
|
|
goto finish;
|
|
}
|
|
|
|
r = EXIT_SUCCESS;
|
|
|
|
STRV_FOREACH(fn, files) {
|
|
FILE *f;
|
|
|
|
f = fopen(*fn, "re");
|
|
if (!f) {
|
|
if (errno == ENOENT)
|
|
continue;
|
|
|
|
log_error("Failed to open %s: %m", *fn);
|
|
r = EXIT_FAILURE;
|
|
continue;
|
|
}
|
|
|
|
log_debug("apply: %s\n", *fn);
|
|
for (;;) {
|
|
char line[LINE_MAX], *l;
|
|
struct kmod_list *itr, *modlist = NULL;
|
|
int err;
|
|
|
|
if (!fgets(line, sizeof(line), f))
|
|
break;
|
|
|
|
l = strstrip(line);
|
|
if (*l == '#' || *l == 0)
|
|
continue;
|
|
|
|
err = kmod_module_new_from_lookup(ctx, l, &modlist);
|
|
if (err < 0) {
|
|
log_error("Failed to lookup alias '%s'", l);
|
|
r = EXIT_FAILURE;
|
|
continue;
|
|
}
|
|
|
|
kmod_list_foreach(itr, modlist) {
|
|
struct kmod_module *mod;
|
|
|
|
mod = kmod_module_get_module(itr);
|
|
err = kmod_module_probe_insert_module(mod, probe_flags,
|
|
NULL, NULL, NULL, NULL);
|
|
|
|
if (err == 0)
|
|
log_info("Inserted module '%s'", kmod_module_get_name(mod));
|
|
else if (err == KMOD_PROBE_APPLY_BLACKLIST)
|
|
log_info("Module '%s' is blacklisted", kmod_module_get_name(mod));
|
|
else {
|
|
log_error("Failed to insert '%s': %s", kmod_module_get_name(mod),
|
|
strerror(-err));
|
|
r = EXIT_FAILURE;
|
|
}
|
|
|
|
kmod_module_unref(mod);
|
|
}
|
|
|
|
kmod_module_unref_list(modlist);
|
|
}
|
|
|
|
if (ferror(f)) {
|
|
log_error("Failed to read from file: %m");
|
|
r = EXIT_FAILURE;
|
|
}
|
|
|
|
fclose(f);
|
|
}
|
|
|
|
finish:
|
|
strv_free(files);
|
|
kmod_unref(ctx);
|
|
|
|
return r;
|
|
}
|