/* 
 * 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;
	}
}
><th class='left'>Commit message (<a href='/dtv-scan-tables.git/log/isdb-t/br-pr-Ibema?id=fca403cc92717328bccb3b2a4c747a474632c0da&amp;showmsg=1&amp;follow=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2022-11-25 11:46:20 +0000'>2022-11-25</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-c/hu-Digikabel?id=833d4cc1dddb3560e93ef7dc6951ab5c204b5c13&amp;follow=1'>dtv-scan-tables: hu-Digikabel changes</a></td><td>Hrotkó Gábor</td><td>1</td><td><span class='deletions'>-1</span>/<span class='insertions'>+26</span></td></tr>
<tr><td><span title='2022-04-30 16:02:58 +0100'>2022-04-30</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-t/pt-All?id=57ed2982275045ea5e92ef2a40b9fa58255852e5&amp;follow=1'>pt-All: fix modulation</a></td><td>Mauro Carvalho Chehab</td><td>1</td><td><span class='deletions'>-10</span>/<span class='insertions'>+10</span></td></tr>
<tr><td><span title='2022-04-30 15:50:08 +0100'>2022-04-30</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-t/pt-All?id=5f7b549da3c7ed1e9dfe4fcbbda742a9d7ee5aec&amp;follow=1'>pt-All: Update Portugal channels</a></td><td>Mauro Carvalho Chehab</td><td>1</td><td><span class='deletions'>-34</span>/<span class='insertions'>+70</span></td></tr>
<tr><td><span title='2022-03-07 17:34:29 +0100'>2022-03-07</span></td><td><a href='/dtv-scan-tables.git/commit/isdb-t/br-to-Palmas?id=e403f83644167e240668c0668a8de04532060683&amp;follow=1'>Update Brazilian ISDB-T tables</a></td><td>Mauro Carvalho Chehab</td><td>549</td><td><span class='deletions'>-2923</span>/<span class='insertions'>+13860</span></td></tr>
<tr><td><span title='2022-03-07 17:05:00 +0100'>2022-03-07</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-s/Intelsat-38-45.1E?id=0eb034356d9699799ed8633ac3fe01622d39e6ff&amp;follow=1'>Update satellite channel lists from Lyngsat</a></td><td>Mauro Carvalho Chehab</td><td>54</td><td><span class='deletions'>-1882</span>/<span class='insertions'>+2326</span></td></tr>
<tr><td><span title='2021-12-14 12:36:28 +0100'>2021-12-14</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-t/uk-WinterHill?id=5acecf65ccd5633c50b8c199cce50fb734635097&amp;follow=1'>dtv-scan-tables: latest UK changes</a></td><td>Simon Liddicott</td><td>4</td><td><span class='deletions'>-24</span>/<span class='insertions'>+24</span></td></tr>
<tr><td><span title='2021-04-30 21:33:05 +0200'>2021-04-30</span></td><td><a href='/dtv-scan-tables.git/commit/isdb-t/br-to-Tupirama?id=25ee9e0ce4bbacdb278d4cff306ceb6528c4f548&amp;follow=1'>update Brazilian scan files</a></td><td>Mauro Carvalho Chehab</td><td>2476</td><td><span class='deletions'>-12805</span>/<span class='insertions'>+69312</span></td></tr>
<tr><td><span title='2021-04-30 13:29:02 +0200'>2021-04-30</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-s/Yamal201-90.0E?id=66ec1eabbf6a596b42f6d4802b6aead3e8ba1ad5&amp;follow=1'>Remove legacy entries</a></td><td>Mauro Carvalho Chehab</td><td>129</td><td><span class='deletions'>-24898</span>/<span class='insertions'>+0</span></td></tr>
<tr><td><span title='2021-04-30 13:28:58 +0200'>2021-04-30</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-s/Yamal-601-49.0E?id=f46e7874dd45f03f47b31e8cd56108f3f10711f8&amp;follow=1'>Add new satellites from Lyngsat</a></td><td>Mauro Carvalho Chehab</td><td>75</td><td><span class='deletions'>-21</span>/<span class='insertions'>+29721</span></td></tr>
<tr><td><span title='2021-04-30 10:31:15 +0200'>2021-04-30</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-s/Intelsat-38-45.1E?id=137a4b9176f8fb074c955a49ae97865d2fb85095&amp;follow=1'>Rename a few satellites with two names and update frequencies</a></td><td>Mauro Carvalho Chehab</td><td>2</td><td><span class='deletions'>-283</span>/<span class='insertions'>+182</span></td></tr>
<tr><td><span title='2021-04-30 10:29:42 +0200'>2021-04-30</span></td><td><a href='/dtv-scan-tables.git/commit/dvb-s/Yamal-402-54.9E?id=cf6e4b502139112c82f092001eb6b9ac3912182a&amp;follow=1'>Update frequencies from Lyngsat</a></td><td>Mauro Carvalho Chehab</td><td>188</td><td><span class='deletions'>-12304</span>/<span class='insertions'>+12666</span></td></tr>