Adding upstream version 31+20240202.upstream/31+20240202

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 166 insertions, 0 deletions

diff --git a/tools/insmod.c b/tools/insmod.c
new file mode 100644
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",
+};