Line data    Source code

       1             : /*
       2             :     Mosh: the mobile shell
       3             :     Copyright 2012 Keith Winstein
       4             : 
       5             :     This program is free software: you can redistribute it and/or modify
       6             :     it under the terms of the GNU General Public License as published by
       7             :     the Free Software Foundation, either version 3 of the License, or
       8             :     (at your option) any later version.
       9             : 
      10             :     This program is distributed in the hope that it will be useful,
      11             :     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             :     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             :     GNU General Public License for more details.
      14             : 
      15             :     You should have received a copy of the GNU General Public License
      16             :     along with this program.  If not, see <http://www.gnu.org/licenses/>.
      17             : 
      18             :     In addition, as a special exception, the copyright holders give
      19             :     permission to link the code of portions of this program with the
      20             :     OpenSSL library under certain conditions as described in each
      21             :     individual source file, and distribute linked combinations including
      22             :     the two.
      23             : 
      24             :     You must obey the GNU General Public License in all respects for all
      25             :     of the code used other than OpenSSL. If you modify file(s) with this
      26             :     exception, you may extend this exception to your version of the
      27             :     file(s), but you are not obligated to do so. If you do not wish to do
      28             :     so, delete this exception statement from your version. If you delete
      29             :     this exception statement from all source files in the program, then
      30             :     also delete it here.
      31             : */
      32             : 
      33             : #ifndef DOS_ASSERT_HPP
      34             : #define DOS_ASSERT_HPP
      35             : 
      36             : #include <stdio.h>
      37             : #include <stdlib.h>
      38             : 
      39             : #include "crypto.h"
      40             : 
      41           0 : static void dos_detected( const char *expression, const char *file, int line, const char *function )
      42             : {
      43           0 :   char buffer[ 2048 ];
      44           0 :   snprintf( buffer, 2048, "Illegal counterparty input (possible denial of service) in function %s at %s:%d, failed test: %s\n",
      45             :             function, file, line, expression );
      46           0 :   throw Crypto::CryptoException( buffer );
      47             : }
      48             : 
      49             : #define dos_assert(expr)                                                \
      50             :   ((expr)                                                               \
      51             :    ? (void)0                                                            \
      52             :    : dos_detected (#expr, __FILE__, __LINE__, __func__ ))
      53             : 
      54             : #endif