package/busybox/patches/300-netmsg.patch

   1 # Copyright (C) 2006 OpenWrt.org
   2 #
   3 # This is free software, licensed under the GNU General Public License v2.
   4 # See /LICENSE for more information.
   5 #
   6 diff -ruN busybox-1.2.0-old/include/applets.h busybox-1.2.0-new/include/applets.h
   7 --- busybox-1.2.0-old/include/applets.h 2006-07-31 10:47:56.000000000 +0200
   8 +++ busybox-1.2.0-new/include/applets.h 2006-07-31 11:21:00.000000000 +0200
   9 @@ -200,6 +200,7 @@
  10  USE_MV(APPLET(mv, _BB_DIR_BIN, _BB_SUID_NEVER))
  11  USE_NAMEIF(APPLET(nameif, _BB_DIR_SBIN, _BB_SUID_NEVER))
  12  USE_NC(APPLET(nc, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
  13 +USE_NETMSG(APPLET_NOUSAGE(netmsg, netmsg, _BB_DIR_BIN, _BB_SUID_ALWAYS))
  14  USE_NETSTAT(APPLET(netstat, _BB_DIR_BIN, _BB_SUID_NEVER))
  15  USE_NICE(APPLET(nice, _BB_DIR_BIN, _BB_SUID_NEVER))
  16  USE_NOHUP(APPLET(nohup, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
  17 diff -ruN busybox-1.2.0-old/networking/Config.in busybox-1.2.0-new/networking/Config.in
  18 --- busybox-1.2.0-old/networking/Config.in      2006-07-01 00:42:02.000000000 +0200
  19 +++ busybox-1.2.0-new/networking/Config.in      2006-07-31 11:18:01.000000000 +0200
  20 @@ -445,6 +445,12 @@
  21         help
  22           A simple Unix utility which reads and writes data across network
  23           connections.
  24 +
  25 +config CONFIG_NETMSG
  26 +       bool "netmsg"
  27 +       default n
  28 +       help
  29 +         simple program for sending udp broadcast messages
  30
  31  config CONFIG_NC_GAPING_SECURITY_HOLE
  32         bool "gaping security hole"
  33 diff -ruN busybox-1.2.0-old/networking/Makefile.in busybox-1.2.0-new/networking/Makefile.in
  34 --- busybox-1.2.0-old/networking/Makefile.in    2006-07-01 00:42:02.000000000 +0200
  35 +++ busybox-1.2.0-new/networking/Makefile.in    2006-07-31 11:18:01.000000000 +0200
  36 @@ -30,6 +30,7 @@
  37  NETWORKING-$(CONFIG_IPTUNNEL)     += iptunnel.o
  38  NETWORKING-$(CONFIG_NAMEIF)       += nameif.o
  39  NETWORKING-$(CONFIG_NC)           += nc.o
  40 +NETWORKING-$(CONFIG_NETMSG)       += netmsg.o
  41  NETWORKING-$(CONFIG_NETSTAT)      += netstat.o
  42  NETWORKING-$(CONFIG_NSLOOKUP)     += nslookup.o
  43  NETWORKING-$(CONFIG_PING)         += ping.o
  44 diff -ruN busybox-1.2.0-old/networking/netmsg.c busybox-1.2.0-new/networking/netmsg.c
  45 --- busybox-1.2.0-old/networking/netmsg.c       1970-01-01 01:00:00.000000000 +0100
  46 +++ busybox-1.2.0-new/networking/netmsg.c       2006-07-31 11:18:01.000000000 +0200
  47 @@ -0,0 +1,63 @@
  48 +/*
  49 + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
  50 + *
  51 + * This is free software, licensed under the GNU General Public License v2.
  52 + */
  53 +#include <sys/types.h>
  54 +#include <sys/socket.h>
  55 +#include <netinet/in.h>
  56 +#include <netdb.h>
  57 +#include <stdio.h>
  58 +#include <stdlib.h>
  59 +#include <string.h>
  60 +#include "busybox.h"
  61 +
  62 +
  63 +#ifndef CONFIG_NETMSG
  64 +int main(int argc, char **argv)
  65 +#else
  66 +int netmsg_main(int argc, char **argv)
  67 +#endif
  68 +{
  69 +       int s, i;
  70 +       struct sockaddr_in addr;
  71 +       int optval = 1;
  72 +       unsigned char buf[1001];
  73 +
  74 +       if (argc != 3) {
  75 +               fprintf(stderr, "usage: %s <ip> \"<message>\"\n", argv[0]);
  76 +               exit(1);
  77 +       }
  78 +
  79 +       if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
  80 +               perror("Opening socket");
  81 +               exit(1);
  82 +       }
  83 +
  84 +       memset(&addr, 0, sizeof(addr));
  85 +       addr.sin_family = AF_INET;
  86 +       addr.sin_addr.s_addr = inet_addr(argv[1]);
  87 +       addr.sin_port = htons(0x1337);
  88 +
  89 +       memset(buf, 0, 1001);
  90 +       buf[0] = 0xde;
  91 +       buf[1] = 0xad;
  92 +
  93 +       strncpy(buf + 2, argv[2], 998);
  94 +
  95 +       if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, (caddr_t) &optval, sizeof (optval)) < 0) {
  96 +               perror("setsockopt()");
  97 +               goto fail;
  98 +       }
  99 +
 100 +       if (sendto(s, buf, 1001, 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
 101 +               perror("sendto()");
 102 +               goto fail;
 103 +       }
 104 +
 105 +       return 0;
 106 +
 107 +fail:
 108 +       close(s);
 109 +       exit(1);
 110 +}