package/busybox/patches/300-netmsg.patch

   1
   2         Copyright (C) 2006 OpenWrt.org
   3
   4 diff -Nur busybox-1.1.1/include/applets.h busybox-1.1.1-owrt/include/applets.h
   5 --- busybox-1.1.1/include/applets.h     2006-04-01 18:26:21.000000000 +0200
   6 +++ busybox-1.1.1-owrt/include/applets.h        2006-04-01 18:36:28.000000000 +0200
   7 @@ -197,6 +197,7 @@
   8  USE_MV(APPLET(mv, mv_main, _BB_DIR_BIN, _BB_SUID_NEVER))
   9  USE_NAMEIF(APPLET(nameif, nameif_main, _BB_DIR_SBIN, _BB_SUID_NEVER))
  10  USE_NC(APPLET(nc, nc_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
  11 +USE_NETMSG(APPLET_NOUSAGE(netmsg, netmsg_main, _BB_DIR_BIN, _BB_SUID_ALWAYS))
  12  USE_NETSTAT(APPLET(netstat, netstat_main, _BB_DIR_BIN, _BB_SUID_NEVER))
  13  USE_NICE(APPLET(nice, nice_main, _BB_DIR_BIN, _BB_SUID_NEVER))
  14  USE_NOHUP(APPLET(nohup, nohup_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
  15 diff -Nur busybox-1.1.1/networking/Config.in busybox-1.1.1-owrt/networking/Config.in
  16 --- busybox-1.1.1/networking/Config.in  2006-03-22 22:16:19.000000000 +0100
  17 +++ busybox-1.1.1-owrt/networking/Config.in     2006-04-01 18:35:32.000000000 +0200
  18 @@ -451,6 +451,12 @@
  19         help
  20           A simple Unix utility which reads and writes data across network
  21           connections.
  22 +
  23 +config CONFIG_NETMSG
  24 +       bool "netmsg"
  25 +       default n
  26 +       help
  27 +         simple program for sending udp broadcast messages
  28
  29  config CONFIG_NC_GAPING_SECURITY_HOLE
  30         bool "gaping security hole"
  31 diff -Nur busybox-1.1.1/networking/Makefile.in busybox-1.1.1-owrt/networking/Makefile.in
  32 --- busybox-1.1.1/networking/Makefile.in        2006-03-22 22:16:19.000000000 +0100
  33 +++ busybox-1.1.1-owrt/networking/Makefile.in   2006-04-01 18:35:32.000000000 +0200
  34 @@ -30,6 +30,7 @@
  35  NETWORKING-$(CONFIG_IPTUNNEL)     += iptunnel.o
  36  NETWORKING-$(CONFIG_NAMEIF)       += nameif.o
  37  NETWORKING-$(CONFIG_NC)           += nc.o
  38 +NETWORKING-$(CONFIG_NETMSG)       += netmsg.o
  39  NETWORKING-$(CONFIG_NETSTAT)      += netstat.o
  40  NETWORKING-$(CONFIG_NSLOOKUP)     += nslookup.o
  41  NETWORKING-$(CONFIG_PING)         += ping.o
  42 diff -Nur busybox-1.1.1/networking/netmsg.c busybox-1.1.1-owrt/networking/netmsg.c
  43 --- busybox-1.1.1/networking/netmsg.c   1970-01-01 01:00:00.000000000 +0100
  44 +++ busybox-1.1.1-owrt/networking/netmsg.c      2006-04-01 18:35:32.000000000 +0200
  45 @@ -0,0 +1,63 @@
  46 +/*
  47 + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
  48 + *
  49 + * This is free software, licensed under the GNU General Public License v2.
  50 + */
  51 +#include <sys/types.h>
  52 +#include <sys/socket.h>
  53 +#include <netinet/in.h>
  54 +#include <netdb.h>
  55 +#include <stdio.h>
  56 +#include <stdlib.h>
  57 +#include <string.h>
  58 +#include "busybox.h"
  59 +
  60 +
  61 +#ifndef CONFIG_NETMSG
  62 +int main(int argc, char **argv)
  63 +#else
  64 +int netmsg_main(int argc, char **argv)
  65 +#endif
  66 +{
  67 +       int s, i;
  68 +       struct sockaddr_in addr;
  69 +       int optval = 1;
  70 +       unsigned char buf[1001];
  71 +
  72 +       if (argc != 3) {
  73 +               fprintf(stderr, "usage: %s <ip> \"<message>\"\n", argv[0]);
  74 +               exit(1);
  75 +       }
  76 +
  77 +       if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
  78 +               perror("Opening socket");
  79 +               exit(1);
  80 +       }
  81 +
  82 +       memset(&addr, 0, sizeof(addr));
  83 +       addr.sin_family = AF_INET;
  84 +       addr.sin_addr.s_addr = inet_addr(argv[1]);
  85 +       addr.sin_port = htons(0x1337);
  86 +
  87 +       memset(buf, 0, 1001);
  88 +       buf[0] = 0xde;
  89 +       buf[1] = 0xad;
  90 +
  91 +       strncpy(buf + 2, argv[2], 998);
  92 +
  93 +       if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, (caddr_t) &optval, sizeof (optval)) < 0) {
  94 +               perror("setsockopt()");
  95 +               goto fail;
  96 +       }
  97 +
  98 +       if (sendto(s, buf, 1001, 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
  99 +               perror("sendto()");
 100 +               goto fail;
 101 +       }
 102 +
 103 +       return 0;
 104 +
 105 +fail:
 106 +       close(s);
 107 +       exit(1);
 108 +}