package/busybox/patches/300-netmsg.patch

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