net/hping3/patches/140_data_size_udp.patch

   1 Subject: Fix incorrect data size check for UDP.
   2 Author: Luca Bigliardi <shammash@artha.org>
   3 Bug-Debian; http://bugs.debian.org/546590
   4 Last-Update: 2009-09-19
   5
   6 --- a/parseoptions.c
   7 +++ b/parseoptions.c
   8 @@ -606,9 +606,12 @@ int parse_options(int argc, char **argv)
   9         if (opt_numeric == TRUE) opt_gethost = FALSE;
  10
  11         /* some error condition */
  12 -       if (data_size+IPHDR_SIZE+TCPHDR_SIZE > 65535) {
  13 +       if (data_size+IPHDR_SIZE+
  14 +           (opt_udpmode?UDPHDR_SIZE:TCPHDR_SIZE) > 65535) {
  15                 printf("Option error: sorry, data size must be <= %lu\n",
  16 -                       (unsigned long)(65535-IPHDR_SIZE+TCPHDR_SIZE));
  17 +                       (unsigned long)(65535-(IPHDR_SIZE+
  18 +                                       (opt_udpmode?UDPHDR_SIZE:TCPHDR_SIZE)))
  19 +                                      );
  20                 exit(1);
  21         }
  22         else if (count <= 0 && count != -1) {