102 lines
2.9 KiB
Diff
102 lines
2.9 KiB
Diff
diff -urN busybox.old/include/applets.h busybox.dev/include/applets.h
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--- busybox.old/include/applets.h 2006-01-11 01:32:47.302791000 +0100
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+++ busybox.dev/include/applets.h 2006-01-11 01:33:18.744756250 +0100
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@@ -475,6 +475,9 @@
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#ifdef CONFIG_NC
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APPLET(nc, nc_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
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#endif
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+#ifdef CONFIG_NETMSG
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+ APPLET_NOUSAGE("netmsg", netmsg_main, _BB_DIR_BIN, _BB_SUID_ALWAYS)
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+#endif
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#ifdef CONFIG_NETSTAT
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APPLET(netstat, netstat_main, _BB_DIR_BIN, _BB_SUID_NEVER)
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#endif
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diff -urN busybox.old/networking/Config.in busybox.dev/networking/Config.in
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--- busybox.old/networking/Config.in 2005-11-01 00:55:15.000000000 +0100
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+++ busybox.dev/networking/Config.in 2006-01-11 01:33:18.744756250 +0100
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@@ -435,6 +435,12 @@
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help
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A simple Unix utility which reads and writes data across network
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connections.
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+
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+config CONFIG_NETMSG
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+ bool "netmsg"
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+ default n
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+ help
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+ simple program for sending udp broadcast messages
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config CONFIG_NC_GAPING_SECURITY_HOLE
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bool "gaping security hole"
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diff -urN busybox.old/networking/Makefile.in busybox.dev/networking/Makefile.in
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--- busybox.old/networking/Makefile.in 2005-11-01 00:55:15.000000000 +0100
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+++ busybox.dev/networking/Makefile.in 2006-01-11 01:34:02.939518250 +0100
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@@ -28,6 +28,7 @@
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NETWORKING-$(CONFIG_IPTUNNEL) += iptunnel.o
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NETWORKING-$(CONFIG_NAMEIF) += nameif.o
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NETWORKING-$(CONFIG_NC) += nc.o
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+NETWORKING-$(CONFIG_NETMSG) += netmsg.o
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NETWORKING-$(CONFIG_NETSTAT) += netstat.o
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NETWORKING-$(CONFIG_NSLOOKUP) += nslookup.o
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NETWORKING-$(CONFIG_PING) += ping.o
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diff -urN busybox.old/networking/netmsg.c busybox.dev/networking/netmsg.c
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--- busybox.old/networking/netmsg.c 1970-01-01 01:00:00.000000000 +0100
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+++ busybox.dev/networking/netmsg.c 2006-01-11 01:33:18.748756500 +0100
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@@ -0,0 +1,58 @@
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+#include <sys/types.h>
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+#include <sys/socket.h>
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+#include <netinet/in.h>
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+#include <netdb.h>
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+#include <stdio.h>
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+#include <stdlib.h>
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+#include <string.h>
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+#include "busybox.h"
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+
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+
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+#ifndef CONFIG_NETMSG
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+int main(int argc, char **argv)
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+#else
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+int netmsg_main(int argc, char **argv)
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+#endif
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+{
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+ int s, i;
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+ struct sockaddr_in addr;
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+ int optval = 1;
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+ unsigned char buf[1001];
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+
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+ if (argc != 3) {
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+ fprintf(stderr, "usage: %s <ip> \"<message>\"\n", argv[0]);
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+ exit(1);
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+ }
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+
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+ if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
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+ perror("Opening socket");
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+ exit(1);
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+ }
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+
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+ memset(&addr, 0, sizeof(addr));
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+ addr.sin_family = AF_INET;
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+ addr.sin_addr.s_addr = inet_addr(argv[1]);
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+ addr.sin_port = htons(0x1337);
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+
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+ memset(buf, 0, 1001);
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+ buf[0] = 0xde;
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+ buf[1] = 0xad;
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+
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+ strncpy(buf + 2, argv[2], 998);
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+
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+ if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, (caddr_t) &optval, sizeof (optval)) < 0) {
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+ perror("setsockopt()");
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+ goto fail;
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+ }
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+
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+ if (sendto(s, buf, 1001, 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
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+ perror("sendto()");
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+ goto fail;
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+ }
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+
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+ return 0;
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+
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+fail:
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+ close(s);
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+ exit(1);
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+}
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