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-rw-r--r--tools/insmod.c166
1 files changed, 166 insertions, 0 deletions
diff --git a/tools/insmod.c b/tools/insmod.c
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index 0000000..c422971
--- /dev/null
+++ b/tools/insmod.c
@@ -0,0 +1,166 @@
+/*
+ * kmod-insmod - insert modules into linux kernel using libkmod.
+ *
+ * Copyright (C) 2011-2013 ProFUSION embedded systems
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <errno.h>
+#include <getopt.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <shared/util.h>
+
+#include <libkmod/libkmod.h>
+
+#include "kmod.h"
+
+static const char cmdopts_s[] = "psfVh";
+static const struct option cmdopts[] = {
+ {"version", no_argument, 0, 'V'},
+ {"help", no_argument, 0, 'h'},
+ {NULL, 0, 0, 0}
+};
+
+static void help(void)
+{
+ printf("Usage:\n"
+ "\t%s [options] filename [args]\n"
+ "Options:\n"
+ "\t-V, --version show version\n"
+ "\t-h, --help show this help\n",
+ program_invocation_short_name);
+}
+
+static const char *mod_strerror(int err)
+{
+ switch (err) {
+ case ENOEXEC:
+ return "Invalid module format";
+ case ENOENT:
+ return "Unknown symbol in module";
+ case ESRCH:
+ return "Module has wrong symbol version";
+ case EINVAL:
+ return "Invalid parameters";
+ default:
+ return strerror(err);
+ }
+}
+
+static int do_insmod(int argc, char *argv[])
+{
+ struct kmod_ctx *ctx;
+ struct kmod_module *mod;
+ const char *filename;
+ char *opts = NULL;
+ size_t optslen = 0;
+ int i, err;
+ const char *null_config = NULL;
+ unsigned int flags = 0;
+
+ for (;;) {
+ int c, idx = 0;
+ c = getopt_long(argc, argv, cmdopts_s, cmdopts, &idx);
+ if (c == -1)
+ break;
+ switch (c) {
+ case 'p':
+ case 's':
+ /* ignored, for compatibility only */
+ break;
+ case 'f':
+ flags |= KMOD_PROBE_FORCE_MODVERSION;
+ flags |= KMOD_PROBE_FORCE_VERMAGIC;
+ break;
+ case 'h':
+ help();
+ return EXIT_SUCCESS;
+ case 'V':
+ puts(PACKAGE " version " VERSION);
+ puts(KMOD_FEATURES);
+ return EXIT_SUCCESS;
+ case '?':
+ return EXIT_FAILURE;
+ default:
+ ERR("unexpected getopt_long() value '%c'.\n",
+ c);
+ return EXIT_FAILURE;
+ }
+ }
+
+ if (optind >= argc) {
+ ERR("missing filename.\n");
+ return EXIT_FAILURE;
+ }
+
+ filename = argv[optind];
+ if (streq(filename, "-")) {
+ ERR("this tool does not support loading from stdin!\n");
+ return EXIT_FAILURE;
+ }
+
+ for (i = optind + 1; i < argc; i++) {
+ size_t len = strlen(argv[i]);
+ void *tmp = realloc(opts, optslen + len + 2);
+ if (tmp == NULL) {
+ ERR("out of memory\n");
+ free(opts);
+ return EXIT_FAILURE;
+ }
+ opts = tmp;
+ if (optslen > 0) {
+ opts[optslen] = ' ';
+ optslen++;
+ }
+ memcpy(opts + optslen, argv[i], len);
+ optslen += len;
+ opts[optslen] = '\0';
+ }
+
+ ctx = kmod_new(NULL, &null_config);
+ if (!ctx) {
+ ERR("kmod_new() failed!\n");
+ free(opts);
+ return EXIT_FAILURE;
+ }
+
+ err = kmod_module_new_from_path(ctx, filename, &mod);
+ if (err < 0) {
+ ERR("could not load module %s: %s\n", filename,
+ strerror(-err));
+ goto end;
+ }
+
+ err = kmod_module_insert_module(mod, flags, opts);
+ if (err < 0) {
+ ERR("could not insert module %s: %s\n", filename,
+ mod_strerror(-err));
+ }
+ kmod_module_unref(mod);
+
+end:
+ kmod_unref(ctx);
+ free(opts);
+ return err >= 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+const struct kmod_cmd kmod_cmd_compat_insmod = {
+ .name = "insmod",
+ .cmd = do_insmod,
+ .help = "compat insmod command",
+};