view loadtools/ltmain.c @ 921:74d284add54d

fc-fsio: guard against bogus readdir results from the target If the FFS being operated on contains SE K2x0 extended filenames, readdir will return strings that are bad for printing. We need to guard against this possibility, and also against possible other bogosity that could be sent by other alien firmwares.
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 31 Dec 2022 22:55:23 +0000
parents 752aef91cc95
children
line wrap: on
line source

/*
 * This module contains the main() function for fc-loadtool
 */

#include <sys/types.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include "srecreader.h"

char *target_ttydev;

extern struct srecreader iramimage;
extern char default_loadagent_image[];
extern char hw_init_script[];
extern void (*default_exit)();

extern struct baudrate *find_baudrate_by_name();

static struct baudrate *reattach, *batch_baud;

main(argc, argv)
	char **argv;
{
	extern char *optarg;
	extern int optind;
	int c;
	char command[512];
	char *batch_script;

	while ((c = getopt(argc, argv, "a:b:B:c:C:h:H:i:P:r:t:")) != EOF)
		switch (c) {
		case 'a':
			iramimage.filename = optarg;
			continue;
		case 'b':
			set_romload_baudrate(optarg);
			continue;
		case 'B':
			batch_baud = find_baudrate_by_name(optarg);
			if (!batch_baud)
				exit(1);	/* error msg already printed */
			continue;
		case 'c':
			set_compalstage_short(optarg);
			continue;
		case 'C':
			set_compalstage_fullpath(optarg);
			continue;
		case 'h':
			read_hwparam_file_shortname(optarg);
			continue;
		case 'H':
			read_hwparam_file_fullpath(optarg);
			continue;
		case 'i':
			set_beacon_interval(optarg);
			continue;
		case 'P':
			if (find_bootctrl_entry(optarg) < 0)
				exit(1);	/* error msg already printed */
			continue;
		case 'r':
			reattach = find_baudrate_by_name(optarg);
			if (!reattach)
				exit(1);	/* error msg already printed */
			continue;
		case 't':
			set_romload_timeout(optarg);
			continue;
		case '?':
		default:
usage:			fprintf(stderr,
		"usage: fc-loadtool [options] ttyport [batch command]\n");
			exit(1);
		}
	if (argc - optind < 1)
		goto usage;
	target_ttydev = argv[optind];
	if (!iramimage.filename)
		iramimage.filename = default_loadagent_image;
	if (argc - optind > 1) {
		if (reattach) {
			fprintf(stderr,
			"error: -r option and batch mode are incompatible\n");
			exit(1);
		}
		if (argc - optind == 2)
			batch_script = argv[optind+1];
		else if (!strcmp(argv[optind+1], "exec")) {
			if (argc - optind == 3)
				batch_script = argv[optind+2];
			else
				goto invalid_batch;
		} else if (!strcmp(argv[optind+1], "flash") ||
			   !strcmp(argv[optind+1], "flash2"))
			batch_script = 0;
		else {
invalid_batch:		fprintf(stderr,
				"error: non-understood batch mode command\n");
			exit(1);
		}
	}

	open_serial_port(target_ttydev);
	if (reattach)
		set_serial_baudrate(reattach);
	else {
		pwon_if_needed();
		perform_compal_stage();
		perform_romload();
		putchar('\n');
		if (tpinterf_pass_output(1) < 0)
			exit(1);
		putchar('\n');
		if (hw_init_script[0]) {
			printf("Executing init script %s\n", hw_init_script);
			c = loadtool_exec_script(hw_init_script, 1);
		} else
			c = 0;
		if (argc - optind > 1) {
			if (c)
				exit(1);
			if (batch_baud) {
				c = loadagent_switch_baud(batch_baud);
				if (c)
					exit(1);
			}
			if (batch_script) {
				printf("Executing command script %s\n",
					batch_script);
				c = loadtool_exec_script(batch_script, 0);
			} else {
				printf("Executing batch command\n");
				c = cmd_flash(argc - optind - 1,
					      argv + optind + 1);
			}
			if (c)
				exit(1);
			default_exit(0);
		}
	}
	for (;;) {
		if (isatty(0)) {
			fputs("loadtool> ", stdout);
			fflush(stdout);
		}
		if (!fgets(command, sizeof command, stdin))
			default_exit(0);
		loadtool_dispatch_cmd(command, 0);
	}
}