--- embedtools/src/get1steth.c	2009/12/18 14:12:24	1.1.2.1
+++ embedtools/src/get1steth.c	2009/12/18 16:18:51	1.1.2.2
@@ -1,7 +1,89 @@
 #include "global.h"
+#include "get1steth.h"
 
 
-int main()
+char szIface[MAX_STR];
+int Verbose;
+extern char compiled[], compiledby[], compilehost[];
+
+
+static void Usage()
 {
+	printf("-= GET_FIRST_ETHERNET =- Get First Ethernet Interface tool\n"
+		"=== %s === %s@%s ===\n\n"
+		"Syntax: get1steth [option] [custom_first_interface]\n\n"
+		"\t-v\t\tVerbose (more -v more verbosity)\n"
+		"\t-g\t\tOnly get first interface, print and exit ...\n"
+		"\n", compiled, compiledby, compilehost);
+}
+
+// -------------------------------
+
+int main(int argc, char **argv)
+{
+	char ch, GetOnly = 0;
+	struct ifaddrs *ifa, *ifp;
+	struct sockaddr_dl *sdl;
+	struct ifreq ifr;
+	int s;
+
+	while ((ch = getopt(argc, argv, "hvg")) != -1)
+		switch (ch) {
+			case 'g':
+				GetOnly = 1;
+				break;
+			case 'v':
+				Verbose++;
+				break;
+			case 'h':
+			default:
+				Usage();
+				return 1;
+		}
+	argc -= optind;
+	argv += optind;
+
+	openlog("get1steth", LOG_CONS, LOG_CONSOLE);
+
+	if (argc) {
+		strlcpy(szIface, *argv, MAX_STR);
+		VERB(1) syslog(LOG_NOTICE, "Info:: Get CUSTOM first interface %s\n", szIface);
+	} else {
+		getifaddrs(&ifa);
+		for (ifp = ifa; ifp; ifp = ifp->ifa_next) {
+			if (PF_LINK == ifp->ifa_addr->sa_family && 
+					IFT_ETHER == ((struct sockaddr_dl*) ifp->ifa_addr)->sdl_type) {
+				strlcpy(szIface, ifp->ifa_name, MAX_STR);
+				sdl = (struct sockaddr_dl*) ifp->ifa_addr;
+				VERB(2) syslog(LOG_NOTICE, "Info:: Get first interface=%s MAC=%s\n", szIface, 
+						ether_ntoa((struct ether_addr*) LLADDR(sdl)));
+				break;
+			}
+		}
+		freeifaddrs(ifa);
+	}
+	if (GetOnly) {
+		printf("%s\n", szIface);
+
+		closelog();
+		return 0;
+	}
+
+	memset(&ifr, 0, sizeof ifr);
+	strlcpy(ifr.ifr_name, szIface, sizeof ifr.ifr_name);
+
+	s = socket(PF_LOCAL, SOCK_DGRAM, 0);
+	if (-1 == s) {
+		syslog(LOG_ERR, "Error:: socket(LOCAL) #%d - %s\n", errno, strerror(errno));
+		return 2;
+	}
+	if (ioctl(s, SIOCIFCREATE2, &ifr) == -1) {
+		syslog(LOG_ERR, "Error:: ioctl(SIOCIFCREATE2) #%d - %s\n", errno, strerror(errno));
+		close(s);
+		return 2;
+	}
+
+	close(s);
+	closelog();
 	return 0;
 }