openwrt/package/busybox/patches/300-netmsg.patch

   1 diff -urN busybox.old/include/applets.h busybox.dev/include/applets.h
   2 --- busybox.old/include/applets.h       2006-01-11 01:32:47.302791000 +0100
   3 +++ busybox.dev/include/applets.h       2006-01-11 01:33:18.744756250 +0100
   4 @@ -475,6 +475,9 @@
   5  #ifdef CONFIG_NC
   6         APPLET(nc, nc_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
   7  #endif
   8 +#ifdef CONFIG_NETMSG
   9 +       APPLET_NOUSAGE("netmsg", netmsg_main, _BB_DIR_BIN, _BB_SUID_ALWAYS)
  10 +#endif
  11  #ifdef CONFIG_NETSTAT
  12         APPLET(netstat, netstat_main, _BB_DIR_BIN, _BB_SUID_NEVER)
  13  #endif
  14 diff -urN busybox.old/networking/Config.in busybox.dev/networking/Config.in
  15 --- busybox.old/networking/Config.in    2005-11-01 00:55:15.000000000 +0100
  16 +++ busybox.dev/networking/Config.in    2006-01-11 01:33:18.744756250 +0100
  17 @@ -435,6 +435,12 @@
  18         help
  19           A simple Unix utility which reads and writes data across network
  20           connections.
  21 +
  22 +config CONFIG_NETMSG
  23 +       bool "netmsg"
  24 +       default n
  25 +       help
  26 +         simple program for sending udp broadcast messages
  27
  28  config CONFIG_NC_GAPING_SECURITY_HOLE
  29         bool "gaping security hole"
  30 diff -urN busybox.old/networking/Makefile.in busybox.dev/networking/Makefile.in
  31 --- busybox.old/networking/Makefile.in  2005-11-01 00:55:15.000000000 +0100
  32 +++ busybox.dev/networking/Makefile.in  2006-01-11 01:34:02.939518250 +0100
  33 @@ -28,6 +28,7 @@
  34  NETWORKING-$(CONFIG_IPTUNNEL)     += iptunnel.o
  35  NETWORKING-$(CONFIG_NAMEIF)       += nameif.o
  36  NETWORKING-$(CONFIG_NC)           += nc.o
  37 +NETWORKING-$(CONFIG_NETMSG)       += netmsg.o
  38  NETWORKING-$(CONFIG_NETSTAT)      += netstat.o
  39  NETWORKING-$(CONFIG_NSLOOKUP)     += nslookup.o
  40  NETWORKING-$(CONFIG_PING)         += ping.o
  41 diff -urN busybox.old/networking/netmsg.c busybox.dev/networking/netmsg.c
  42 --- busybox.old/networking/netmsg.c     1970-01-01 01:00:00.000000000 +0100
  43 +++ busybox.dev/networking/netmsg.c     2006-01-11 01:33:18.748756500 +0100
  44 @@ -0,0 +1,58 @@
  45 +#include <sys/types.h>
  46 +#include <sys/socket.h>
  47 +#include <netinet/in.h>
  48 +#include <netdb.h>
  49 +#include <stdio.h>
  50 +#include <stdlib.h>
  51 +#include <string.h>
  52 +#include "busybox.h"
  53 +
  54 +
  55 +#ifndef CONFIG_NETMSG
  56 +int main(int argc, char **argv)
  57 +#else
  58 +int netmsg_main(int argc, char **argv)
  59 +#endif
  60 +{
  61 +       int s, i;
  62 +       struct sockaddr_in addr;
  63 +       int optval = 1;
  64 +       unsigned char buf[1001];
  65 +
  66 +       if (argc != 2) {
  67 +               fprintf(stderr, "usage: %s \"message\"\n", argv[0]);
  68 +               exit(1);
  69 +       }
  70 +
  71 +       if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
  72 +               perror("Opening socket");
  73 +               exit(1);
  74 +       }
  75 +
  76 +       memset(&addr, 0, sizeof(addr));
  77 +       addr.sin_family = AF_INET;
  78 +       addr.sin_addr.s_addr = htonl(0xffffffff);
  79 +       addr.sin_port = htons(0x1337);
  80 +
  81 +       memset(buf, 0, 1001);
  82 +       buf[0] = 0xde;
  83 +       buf[1] = 0xad;
  84 +
  85 +       strncpy(buf + 2, argv[1], 998);
  86 +
  87 +       if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, (caddr_t) &optval, sizeof (optval)) < 0) {
  88 +               perror("setsockopt()");
  89 +               goto fail;
  90 +       }
  91 +
  92 +       if (sendto(s, buf, 1001, 0, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
  93 +               perror("sendto()");
  94 +               goto fail;
  95 +       }
  96 +
  97 +       return 0;
  98 +
  99 +fail:
 100 +       close(s);
 101 +       exit(1);
 102 +}