package/busybox/patches/300-netmsg.patch

   1 Index: busybox-1.7.2/include/applets.h
   2 ===================================================================
   3 --- busybox-1.7.2.orig/include/applets.h        2007-10-30 15:34:59.000000000 -0500
   4 +++ busybox-1.7.2/include/applets.h     2007-10-30 15:35:03.000000000 -0500
   5 @@ -241,6 +241,7 @@
   6  USE_MV(APPLET(mv, _BB_DIR_BIN, _BB_SUID_NEVER))
   7  USE_NAMEIF(APPLET(nameif, _BB_DIR_SBIN, _BB_SUID_NEVER))
   8  USE_NC(APPLET(nc, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
   9 +USE_NETMSG(APPLET_NOUSAGE(netmsg, netmsg, _BB_DIR_BIN, _BB_SUID_ALWAYS))
  10  USE_NETSTAT(APPLET(netstat, _BB_DIR_BIN, _BB_SUID_NEVER))
  11  USE_NICE(APPLET(nice, _BB_DIR_BIN, _BB_SUID_NEVER))
  12  USE_NMETER(APPLET(nmeter, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
  13 Index: busybox-1.7.2/networking/Config.in
  14 ===================================================================
  15 --- busybox-1.7.2.orig/networking/Config.in     2007-10-30 15:34:59.000000000 -0500
  16 +++ busybox-1.7.2/networking/Config.in  2007-10-30 15:35:03.000000000 -0500
  17 @@ -508,6 +508,12 @@
  18         help
  19           A simple Unix utility which reads and writes data across network
  20           connections.
  21 +
  22 +config NETMSG
  23 +       bool "netmsg"
  24 +       default n
  25 +       help
  26 +         simple program for sending udp broadcast messages
  27
  28  config NC_SERVER
  29         bool "Netcat server options (-l)"
  30 Index: busybox-1.7.2/networking/Kbuild
  31 ===================================================================
  32 --- busybox-1.7.2.orig/networking/Kbuild        2007-10-30 15:34:59.000000000 -0500
  33 +++ busybox-1.7.2/networking/Kbuild     2007-10-30 15:35:03.000000000 -0500
  34 @@ -21,6 +21,7 @@
  35  lib-$(CONFIG_IPCALC)       += ipcalc.o
  36  lib-$(CONFIG_NAMEIF)       += nameif.o
  37  lib-$(CONFIG_NC)           += nc.o
  38 +lib-$(CONFIG_NETMSG)       += netmsg.o
  39  lib-$(CONFIG_NETSTAT)      += netstat.o
  40  lib-$(CONFIG_NSLOOKUP)     += nslookup.o
  41  lib-$(CONFIG_PING)         += ping.o
  42 Index: busybox-1.7.2/networking/netmsg.c
  43 ===================================================================
  44 --- /dev/null   1970-01-01 00:00:00.000000000 +0000
  45 +++ busybox-1.7.2/networking/netmsg.c   2007-10-30 15:35:03.000000000 -0500
  46 @@ -0,0 +1,63 @@
  47 +/*
  48 + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
  49 + *
  50 + * This is free software, licensed under the GNU General Public License v2.
  51 + */
  52 +#include <sys/types.h>
  53 +#include <sys/socket.h>
  54 +#include <netinet/in.h>
  55 +#include <netdb.h>
  56 +#include <stdio.h>
  57 +#include <stdlib.h>
  58 +#include <string.h>
  59 +#include "busybox.h"
  60 +
  61 +
  62 +#ifndef CONFIG_NETMSG
  63 +int main(int argc, char **argv)
  64 +#else
  65 +int netmsg_main(int argc, char **argv)
  66 +#endif
  67 +{
  68 +       int s;
  69 +       struct sockaddr_in addr;
  70 +       int optval = 1;
  71 +       unsigned char buf[1001];
  72 +
  73 +       if (argc != 3) {
  74 +               fprintf(stderr, "usage: %s <ip> \"<message>\"\n", argv[0]);
  75 +               exit(1);
  76 +       }
  77 +
  78 +       if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
  79 +               perror("Opening socket");
  80 +               exit(1);
  81 +       }
  82 +
  83 +       memset(&addr, 0, sizeof(addr));
  84 +       addr.sin_family = AF_INET;
  85 +       addr.sin_addr.s_addr = inet_addr(argv[1]);
  86 +       addr.sin_port = htons(0x1337);
  87 +
  88 +       memset(buf, 0, 1001);
  89 +       buf[0] = 0xde;
  90 +       buf[1] = 0xad;
  91 +
  92 +       strncpy(buf + 2, argv[2], 998);
  93 +
  94 +       if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, (caddr_t) &optval, sizeof (optval)) < 0) {
  95 +               perror("setsockopt()");
  96 +               goto fail;
  97 +       }
  98 +
  99 +       if (sendto(s, buf, 1001, 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
 100 +               perror("sendto()");
 101 +               goto fail;
 102 +       }
 103 +
 104 +       return 0;
 105 +
 106 +fail:
 107 +       close(s);
 108 +       exit(1);
 109 +}