Initial commit

package/utils/busybox/patches/210-add_netmsg_util.patch

@@ -0,0 +1,79 @@
+--- /dev/null
++++ b/networking/netmsg.c
+@@ -0,0 +1,76 @@
++/*
++ * Copyright (C) 2006 Felix Fietkau <nbd@nbd.name>
++ *
++ * This is free software, licensed under the GNU General Public License v2.
++ */
++
++//config:config NETMSG
++//config:	bool "netmsg"
++//config:	default n
++//config:	help
++//config:	  simple program for sending udp broadcast messages
++
++//applet:IF_NETMSG(APPLET(netmsg, BB_DIR_BIN, BB_SUID_REQUIRE))
++
++//kbuild:lib-$(CONFIG_NETMSG) += netmsg.o
++
++//usage:#define netmsg_trivial_usage NOUSAGE_STR
++//usage:#define netmsg_full_usage ""
++
++#include <sys/types.h>
++#include <sys/socket.h>
++#include <netinet/in.h>
++#include <netdb.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <string.h>
++#include "busybox.h"
++
++#ifndef CONFIG_NETMSG
++int main(int argc, char **argv)
++#else
++int netmsg_main(int argc, char **argv)
++#endif
++{
++	int s;
++	struct sockaddr_in addr;
++	int optval = 1;
++	unsigned char buf[1001];
++
++	if (argc != 3) {
++		fprintf(stderr, "usage: %s <ip> \"<message>\"\n", argv[0]);
++		exit(1);
++	}
++
++	if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
++		perror("Opening socket");
++		exit(1);
++	}
++
++	memset(&addr, 0, sizeof(addr));
++	addr.sin_family = AF_INET;
++	addr.sin_addr.s_addr = inet_addr(argv[1]);
++	addr.sin_port = htons(0x1337);
++
++	memset(buf, 0, 1001);
++	buf[0] = 0xde;
++	buf[1] = 0xad;
++
++	strncpy(buf + 2, argv[2], 998);
++
++	if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, (caddr_t) &optval, sizeof (optval)) < 0) {
++		perror("setsockopt()");
++		goto fail;
++	}
++
++	if (sendto(s, buf, 1001, 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
++		perror("sendto()");
++		goto fail;
++	}
++
++	return 0;
++
++fail:
++	close(s);
++	exit(1);
++}