/*
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* kmod-insert - insert a module into the kernel.
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*
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* Copyright (C) 2015 Intel Corporation. All rights reserved.
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* Copyright (C) 2011-2013 ProFUSION embedded systems
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*
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* This program is free software: you can redistribute it and/or modify
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* it 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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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <getopt.h>
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#include <stdlib.h>
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#include <string.h>
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#include <libkmod/libkmod.h>
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#include "kmod.h"
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static const char cmdopts_s[] = "h";
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static const struct option cmdopts[] = {
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{"help", no_argument, 0, 'h'},
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{ }
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};
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static void help(void)
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{
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printf("Usage:\n"
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"\t%s insert [options] module\n"
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"Options:\n"
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"\t-h, --help show this help\n",
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program_invocation_short_name);
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}
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static const char *mod_strerror(int err)
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{
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switch (err) {
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case KMOD_PROBE_APPLY_BLACKLIST:
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return "Module is blacklisted";
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case -EEXIST:
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return "Module already in kernel";
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case -ENOENT:
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return "Unknown symbol in module or unknown parameter (see dmesg)";
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default:
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return strerror(-err);
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}
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}
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static int do_insert(int argc, char *argv[])
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{
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struct kmod_ctx *ctx;
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struct kmod_list *list = NULL, *l;
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const char *name;
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int err, r = EXIT_SUCCESS;
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for (;;) {
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int c, idx = 0;
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c = getopt_long(argc, argv, cmdopts_s, cmdopts, &idx);
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if (c == -1)
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break;
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switch (c) {
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case 'h':
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help();
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return EXIT_SUCCESS;
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default:
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ERR("Unexpected getopt_long() value '%c'.\n", c);
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return EXIT_FAILURE;
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}
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}
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if (optind >= argc) {
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ERR("Missing module name\n");
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return EXIT_FAILURE;
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}
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ctx = kmod_new(NULL, NULL);
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if (!ctx) {
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ERR("kmod_new() failed!\n");
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return EXIT_FAILURE;
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}
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name = argv[optind];
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err = kmod_module_new_from_lookup(ctx, name, &list);
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if (err < 0) {
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ERR("Could not lookup module matching '%s': %s\n", name, strerror(-err));
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r = EXIT_FAILURE;
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goto end;
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}
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if (list == NULL) {
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ERR("No module matches '%s'\n", name);
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r = EXIT_FAILURE;
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goto end;
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}
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kmod_list_foreach(l, list) {
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struct kmod_module *mod = kmod_module_get_module(l);
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err = kmod_module_probe_insert_module(mod, KMOD_PROBE_APPLY_BLACKLIST, NULL, NULL, NULL, NULL);
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if (err != 0) {
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r = EXIT_FAILURE;
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ERR("Could not insert '%s': %s\n", kmod_module_get_name(mod), mod_strerror(err));
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}
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kmod_module_unref(mod);
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}
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kmod_module_unref_list(list);
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end:
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kmod_unref(ctx);
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return r;
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}
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const struct kmod_cmd kmod_cmd_insert = {
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.name = "insert",
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.cmd = do_insert,
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.help = "insert a module into the kernel",
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};
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