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--- a/include/applets.h
+++ b/include/applets.h
@@ -271,6 +271,7 @@ USE_MT(APPLET(mt, _BB_DIR_BIN, _BB_SUID_
USE_MV(APPLET(mv, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_NAMEIF(APPLET(nameif, _BB_DIR_SBIN, _BB_SUID_NEVER))
USE_NC(APPLET(nc, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+USE_NETMSG(APPLET(netmsg, _BB_DIR_BIN, _BB_SUID_ALWAYS))
USE_NETSTAT(APPLET(netstat, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_NICE(APPLET(nice, _BB_DIR_BIN, _BB_SUID_NEVER))
USE_NMETER(APPLET(nmeter, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
--- a/include/usage.h
+++ b/include/usage.h
@@ -3010,6 +3010,9 @@
#endif
+#define netmsg_trivial_usage NOUSAGE_STR
+#define netmsg_full_usage ""
+
#define netstat_trivial_usage \
"[-laentuwxr"USE_FEATURE_NETSTAT_WIDE("W")USE_FEATURE_NETSTAT_PRG("p")"]"
#define netstat_full_usage "\n\n" \
--- a/networking/Config.in
+++ b/networking/Config.in
@@ -600,6 +600,12 @@ config NC
A simple Unix utility which reads and writes data across network
connections.
+config NETMSG
+ bool "netmsg"
+ default n
+ help
+ simple program for sending udp broadcast messages
+
config NC_SERVER
bool "Netcat server options (-l)"
default n
--- a/networking/Kbuild
+++ b/networking/Kbuild
@@ -24,6 +24,7 @@ lib-$(CONFIG_IP) += ip.o
lib-$(CONFIG_IPCALC) += ipcalc.o
lib-$(CONFIG_NAMEIF) += nameif.o
lib-$(CONFIG_NC) += nc.o
+lib-$(CONFIG_NETMSG) += netmsg.o
lib-$(CONFIG_NETSTAT) += netstat.o
lib-$(CONFIG_NSLOOKUP) += nslookup.o
lib-$(CONFIG_PING) += ping.o
--- /dev/null
+++ b/networking/netmsg.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This is free software, licensed under the GNU General Public License v2.
+ */
+#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);
+}
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