/*
* Program entry and command line parsing
*
* Copyright (C) 2007-2008 Xavier Carcelle <xavier.carcelle@gmail.com>
* Florian Fainelli <florian@openwrt.org>
* Nicolas Thill <nico@openwrt.org>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include "faifa.h"
#include "faifa_compat.h"
#ifndef FAIFA_PROG
#define FAIFA_PROG "faifa"
#endif
/* Command line arguments storing */
int opt_help = 0;
int opt_interactive = 0;
int opt_key = 0;
extern FILE *err_stream;
extern FILE *out_stream;
extern FILE *in_stream;
/**
* error - display error message
*/
static void error(char *message)
{
fprintf(stderr, "%s: %s\n", FAIFA_PROG, message);
}
/**
* usage - show the program usage
*/
static void usage(void)
{
fprintf(stderr, "-i : interface\n"
"-m : show menu (no option required)\n"
"-a : station MAC address\n"
"-k : network key\n"
"-v : be verbose (default: no)\n"
"-e : error stream (default: stderr)\n"
"-o : output stream (default: stdout)\n"
"-s : input stream (default: stdin)\n"
"-h : this help\n");
}
extern void menu(faifa_t *faifa);
extern void set_key(char *macaddr);
/**
* main - main function of faifa
* @argc: number of arguments
* @argv: array of arguments
*/
int main(int argc, char **argv)
{
faifa_t *faifa;
char *opt_ifname = NULL;
char *opt_macaddr = NULL;
char *opt_err_stream = NULL;
char *opt_out_stream = NULL;
char *opt_in_stream = NULL;
int opt_verbose = 0;
int c;
int ret = 0;
u_int8_t addr[ETHER_ADDR_LEN] = { 0 };
fprintf(stdout, "Faifa for HomePlug AV (SVN revision %d)\n\n", SVN_REV);
if (argc < 2) {
usage();
return -1;
}
while ((c = getopt(argc, argv, "i:ma:k:ve:o:s:h")) != -1) {
switch (c) {
case 'i':
opt_ifname = optarg;
break;
case 'm':
opt_interactive = 1;
break;
case 'a':
opt_macaddr = optarg;
break;
case 'k':
opt_key = 1;
break;
case 'v':
opt_verbose = 1;
break;
case 'e':
opt_err_stream = optarg;
break;
case 'o':
opt_out_stream = optarg;
break;
case 's':
opt_in_stream = optarg;
break;
case 'h':
default:
opt_help = 1;
break;
}
}
if (opt_help) {
usage();
return -1;
}
if (opt_ifname == NULL)
opt_ifname = "eth0";
if (opt_err_stream == NULL)
err_stream = stderr;
else {
err_stream = fopen(opt_err_stream, "w+");
if (!err_stream) {
perror("err_stream");
return -1;
}
}
if (opt_out_stream == NULL)
out_stream = stdout;
else {
out_stream = fopen(opt_out_stream, "w+");
if (!out_stream) {
perror("out_stream");
return -1;
}
}
if (opt_in_stream == NULL)
in_stream = stdin;
else {
in_stream = fopen(opt_in_stream, "rb");
if (!in_stream) {
perror("in_stream");
return -1;
}
}
faifa = faifa_init();
if (faifa == NULL) {
error("can't initialize Faifa library");
return -1;
}
if (faifa_open(faifa, opt_ifname) == -1) {
error(faifa_error(faifa));
faifa_free(faifa);
return -1;
}
faifa_set_verbose(faifa, opt_verbose);
if (opt_macaddr) {
ret = faifa_parse_mac_addr(faifa, opt_macaddr, addr);
if (ret < 0) {
error(faifa_error(faifa));
goto out_error;
}
faifa_set_dst_addr(faifa, addr);
}
if (opt_interactive)
menu(faifa);
out_error:
faifa_close(faifa);
faifa_free(faifa);
return ret;
}