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authorJonathan McCrohan <jmccrohan@gmail.com>2012-02-12 23:25:19 +0000
committerJonathan McCrohan <jmccrohan@gmail.com>2012-02-12 23:25:19 +0000
commitd9e7690dc169c82d0011ca0a49f74e980f707b0b (patch)
tree3c3a9ffeb773a94e838d2c7f9d9e6e76374809cc /src/ftphelper.c
parent94dc9792a9f636771ea1388f395ca89a2d07c74b (diff)
downloadverteco-d9e7690dc169c82d0011ca0a49f74e980f707b0b.tar.gz
Add ftp upload function + add documentation.
Diffstat (limited to '')
-rw-r--r--src/ftphelper.c104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/ftphelper.c b/src/ftphelper.c
new file mode 100644
index 0000000..ffa289c
--- /dev/null
+++ b/src/ftphelper.c
@@ -0,0 +1,104 @@
+/*
+ * 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;
+ }
+}