diff options
Diffstat (limited to 'src/modules-load')
| l--------- | src/modules-load/Makefile | 1 | ||||
| -rw-r--r-- | src/modules-load/modules-load.c | 266 |
2 files changed, 0 insertions, 267 deletions
diff --git a/src/modules-load/Makefile b/src/modules-load/Makefile deleted file mode 120000 index d0b0e8e008..0000000000 --- a/src/modules-load/Makefile +++ /dev/null @@ -1 +0,0 @@ -../Makefile
\ No newline at end of file diff --git a/src/modules-load/modules-load.c b/src/modules-load/modules-load.c deleted file mode 100644 index e72e382e19..0000000000 --- a/src/modules-load/modules-load.c +++ /dev/null @@ -1,266 +0,0 @@ -/*-*- 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" -#include "virt.h" - -static char **arg_proc_cmdline_modules = NULL; - -#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_metav(priority, file, line, fn, format, args); -} -#pragma GCC diagnostic pop - -static int add_modules(const char *p) { - char **t, **k; - - k = strv_split(p, ","); - if (!k) - return log_oom(); - - t = strv_merge(arg_proc_cmdline_modules, k); - strv_free(k); - if (!t) - return log_oom(); - - strv_free(arg_proc_cmdline_modules); - arg_proc_cmdline_modules = t; - - return 0; -} - -static int parse_proc_cmdline(void) { - char *line, *w, *state; - int r; - size_t l; - - if (detect_container(NULL) > 0) - return 0; - - r = read_one_line_file("/proc/cmdline", &line); - if (r < 0) { - log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r)); - return 0; - } - - FOREACH_WORD_QUOTED(w, l, line, state) { - char *word; - - word = strndup(w, l); - if (!word) { - r = -ENOMEM; - goto finish; - } - - if (startswith(word, "modules-load=")) { - - r = add_modules(word + 13); - if (r < 0) - goto finish; - - } else if (startswith(word, "rd.modules-load=")) { - - if (in_initrd()) { - r = add_modules(word + 16); - if (r < 0) - goto finish; - } - - } - - free(word); - } - - r = 0; - -finish: - free(line); - return r; -} - -static int load_module(struct kmod_ctx *ctx, const char *m) { - const int probe_flags = KMOD_PROBE_APPLY_BLACKLIST; - struct kmod_list *itr, *modlist = NULL; - int r = 0; - - log_debug("load: %s\n", m); - - r = kmod_module_new_from_lookup(ctx, m, &modlist); - if (r < 0) { - log_error("Failed to lookup alias '%s': %s", m, strerror(-r)); - return r; - } - - if (!modlist) { - log_error("Failed to find module '%s'", m); - return -ENOENT; - } - - kmod_list_foreach(itr, modlist) { - struct kmod_module *mod; - int state, err; - - mod = kmod_module_get_module(itr); - state = kmod_module_get_initstate(mod); - - switch (state) { - case KMOD_MODULE_BUILTIN: - log_info("Module '%s' is builtin", kmod_module_get_name(mod)); - break; - - case KMOD_MODULE_LIVE: - log_info("Module '%s' is already loaded", kmod_module_get_name(mod)); - break; - - default: - 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 = err; - } - } - - kmod_module_unref(mod); - } - - kmod_module_unref_list(modlist); - - return r; -} - -int main(int argc, char *argv[]) { - int r = EXIT_FAILURE, k; - char **files = NULL, **fn, **i; - struct kmod_ctx *ctx; - - 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); - - if (parse_proc_cmdline() < 0) - return EXIT_FAILURE; - - 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); - - r = EXIT_SUCCESS; - - STRV_FOREACH(i, arg_proc_cmdline_modules) { - k = load_module(ctx, *i); - if (k < 0) - r = EXIT_FAILURE; - } - - k = 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); - if (k < 0) { - log_error("Failed to enumerate modules-load.d files: %s", strerror(-k)); - r = EXIT_FAILURE; - goto finish; - } - - 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; - - if (!fgets(line, sizeof(line), f)) - break; - - l = strstrip(line); - if (*l == '#' || *l == 0) - continue; - - k = load_module(ctx, l); - if (k < 0) - r = EXIT_FAILURE; - } - - if (ferror(f)) { - log_error("Failed to read from file: %m"); - r = EXIT_FAILURE; - } - - fclose(f); - } - -finish: - strv_free(files); - kmod_unref(ctx); - strv_free(arg_proc_cmdline_modules); - - return r; -} |