commandline.c

/*
 * Copyright (C) Marek Lindner
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of version 3 of the GNU General Public
 * License as published by the Free Software Foundation.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA
 *
 * SPDX-License-Identifier: GPL-3.0+
 * License-Filename: LICENSES/preferred/GPL-3.0
 */

#include "commandline.h"

#include <stdbool.h>
#include <stdio.h>
#include <string.h>

#include "flash.h"
#include "router_images.h"
#include "socket.h"

#ifndef SOURCE_VERSION
#define SOURCE_VERSION "2018.0+"
#endif

static void usage(const char *prgname)
{
	fprintf(stderr, "Usage:\n");

	fprintf(stderr, "%s interface image\tflash router with given image\n",
		prgname);
	fprintf(stderr, "%s -v\t\t\tprints version information\n", prgname);

	fprintf(stderr, "\nOne or multiple images of the following type can be specified:\n");
	router_images_print_desc();

	fprintf(stderr, "\nThe interface has to be one of the devices that are part of the supported device list which follows.\nYou can either specify its name or the interface number.\n");
	socket_print_all_ifaces();
}

int main(int argc, char* argv[])
{
	char *iface = NULL;
	int ret = -1;
	bool load_embedded = true;
	const char *progname = "ap51-flash";

	if (argc >= 1)
		progname = argv[0];

	if ((argc == 2) && (strcmp("-v", argv[1]) == 0)) {
#if defined(EMBEDDED_DESC)
		printf("ap51-flash (%s) [embedded: %s]\n", SOURCE_VERSION,
		       EMBEDDED_DESC);
#else
		printf("ap51-flash (%s)\n", SOURCE_VERSION);
#endif
		return 0;
	}

	if (argc < 2) {
		fprintf(stderr, "Error - no interface specified\n");
		usage(progname);
		goto out;
	}

	if (strlen(argv[1]) < 3)
		iface = socket_find_iface_by_index(argv[1]);

	if (!iface)
		iface = argv[1];

	argc -= 2;
	argv += 2;

	router_images_init();

	while (argc > 0) {
		ret = router_images_verify_path(argv[0]);
		if (ret < 0)
			goto out;

		argc -= 1;
		argv += 1;
		load_embedded = false;
	}

	if (load_embedded) {
		router_images_init_embedded();
	} else {
#if defined(EMBED_UBOOT) || defined(EMBED_UBNT) || defined(EMBED_CI) || defined(EMBED_CE) || defined(EMBED_ZYXEL)
		printf("Embedded image disabled\n");
#endif
	}

#if defined(DEBUG)
	printf("Listening on interface: %s\n", iface);
#endif

	if (!router_images_available()) {
		fprintf(stderr, "Error - no images specified\n");
		usage(progname);
		goto out;
	}

	ret = flash_start(iface);

out:
	return ret;
}