fc1a2e06a2
After long consideration we came to the conclusion that user configuration in /etc should always override the (generally computer generated) configuration in /run. User configuration should always be what matters over anything else. Hence rearrange the search orders accordingly. In general this should change very little as overriding like this is seldomn done so far, and the order between /etc and /usr stays the same.
151 lines
5 KiB
C
151 lines
5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <limits.h>
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#include <dirent.h>
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#include <libkmod.h>
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#include "log.h"
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#include "util.h"
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#include "strv.h"
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wformat-nonliteral"
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static void systemd_kmod_log(void *data, int priority, const char *file, int line,
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const char *fn, const char *format, va_list args)
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{
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log_meta(priority, file, line, fn, format, args);
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}
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#pragma GCC diagnostic pop
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int main(int argc, char *argv[]) {
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int r = EXIT_FAILURE;
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char **files, **fn;
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struct kmod_ctx *ctx;
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const int probe_flags = KMOD_PROBE_APPLY_BLACKLIST|KMOD_PROBE_IGNORE_LOADED;
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if (argc > 1) {
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log_error("This program takes no argument.");
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return EXIT_FAILURE;
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}
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log_set_target(LOG_TARGET_AUTO);
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log_parse_environment();
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log_open();
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umask(0022);
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if (!(ctx = kmod_new(NULL, NULL))) {
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log_error("Failed to allocate memory for kmod.");
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goto finish;
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}
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kmod_load_resources(ctx);
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kmod_set_log_fn(ctx, systemd_kmod_log, NULL);
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if (conf_files_list(&files, ".conf",
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"/etc/modules-load.d",
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"/run/modules-load.d",
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"/usr/local/lib/modules-load.d",
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"/usr/lib/modules-load.d",
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"/lib/modules-load.d",
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NULL) < 0) {
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log_error("Failed to enumerate modules-load.d files: %s", strerror(-r));
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goto finish;
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}
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r = EXIT_SUCCESS;
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STRV_FOREACH(fn, files) {
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FILE *f;
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f = fopen(*fn, "re");
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if (!f) {
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if (errno == ENOENT)
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continue;
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log_error("Failed to open %s: %m", *fn);
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r = EXIT_FAILURE;
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continue;
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}
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log_debug("apply: %s\n", *fn);
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for (;;) {
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char line[LINE_MAX], *l;
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struct kmod_list *itr, *modlist = NULL;
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int err;
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if (!(fgets(line, sizeof(line), f)))
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break;
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l = strstrip(line);
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if (*l == '#' || *l == 0)
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continue;
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err = kmod_module_new_from_lookup(ctx, l, &modlist);
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if (err < 0) {
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log_error("Failed to lookup alias '%s'", l);
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r = EXIT_FAILURE;
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continue;
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}
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kmod_list_foreach(itr, modlist) {
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struct kmod_module *mod = kmod_module_get_module(itr);
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err = kmod_module_probe_insert_module(mod, probe_flags,
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NULL, NULL, NULL, NULL);
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if (err == 0)
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log_info("Inserted module '%s'", kmod_module_get_name(mod));
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else if (err == KMOD_PROBE_APPLY_BLACKLIST)
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log_info("Module '%s' is blacklisted", kmod_module_get_name(mod));
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else {
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log_error("Failed to insert '%s': %s", kmod_module_get_name(mod),
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strerror(-err));
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r = EXIT_FAILURE;
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}
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kmod_module_unref(mod);
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}
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kmod_module_unref_list(modlist);
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}
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if (ferror(f)) {
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log_error("Failed to read from file: %m");
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r = EXIT_FAILURE;
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}
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fclose(f);
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}
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finish:
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strv_free(files);
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kmod_unref(ctx);
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return r;
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}
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