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/*
* ftphelper
*
* Copyright (C) 2012 Jonathan McCrohan
*
* 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 3 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/>.
*/
// gcc ftphelper.c -o ftphelper `pkg-config --libs --cflags libconfig`
#include <stdio.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <string.h>
#include <libconfig.h>
char *mac_address() {
int s;
struct ifreq ifr;
s = socket(PF_INET, SOCK_DGRAM, 0);
memset(&ifr, 0x00, sizeof(ifr));
strcpy(ifr.ifr_name, "eth0");
ioctl(s, SIOCGIFHWADDR, &ifr);
close(s);
static char mac_address[12];
sprintf(mac_address, "%.2X%.2X%.2X%.2X%.2X%.2X",
(unsigned char) ifr.ifr_hwaddr.sa_data[0],
(unsigned char) ifr.ifr_hwaddr.sa_data[1],
(unsigned char) ifr.ifr_hwaddr.sa_data[2],
(unsigned char) ifr.ifr_hwaddr.sa_data[3],
(unsigned char) ifr.ifr_hwaddr.sa_data[4],
(unsigned char) ifr.ifr_hwaddr.sa_data[5]);
return mac_address;
}
int main(int argc, char *argv[]) {
if (argc == 1) {
return 0;
}
if (strcmp(argv[1], "--mac") == 0) {
printf("%s", mac_address());
return 0;
}
const char *configfile = "/etc/modbuslog.cfg";
config_t cfg;
const char *ftp_server;
const char *ftp_username;
const char *ftp_password;
const char *ftp_directory;
config_init(&cfg);
if (!config_read_file(&cfg, configfile)) {
fprintf(stderr, "%s:%d - %s\n", config_error_file(&cfg),
config_error_line(&cfg), config_error_text(&cfg));
config_destroy(&cfg);
fprintf(stderr, "Unable to find configfile.\n");
return 1;
}
if (!(config_lookup_string(&cfg, "ftp.server", &ftp_server)
&& config_lookup_string(&cfg, "ftp.username", &ftp_username)
&& config_lookup_string(&cfg, "ftp.password", &ftp_password)
&& config_lookup_string(&cfg, "ftp.directory", &ftp_directory))) {
fprintf(stderr,
"Incomplete ftp configuration. Check configuration file.\n");
return 1;
}
if (strcmp(argv[1], "--server") == 0) {
printf("%s", ftp_server);
return 0;
}
if (strcmp(argv[1], "--username") == 0) {
printf("%s", ftp_username);
return 0;
}
if (strcmp(argv[1], "--password") == 0) {
printf("%s", ftp_password);
return 0;
}
if (strcmp(argv[1], "--directory") == 0) {
printf("%s", ftp_directory);
return 0;
}
}
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