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-rw-r--r--src/modules-load/modules-load.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/src/modules-load/modules-load.c b/src/modules-load/modules-load.c
new file mode 100644
index 0000000000..0f2144c2ed
--- /dev/null
+++ b/src/modules-load/modules-load.c
@@ -0,0 +1,155 @@
+/*-*- 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"
+
+#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;
+}