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Check the header of dehacked files and make sure we only load valid

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dehacked files.

Subversion-branch: /trunk/chocolate-doom
Subversion-revision: 182
This commit is contained in:
Simon Howard 2005-10-09 20:06:50 +00:00
parent 6a9e5dd7e7
commit c8b201dd2a
1 changed files with 31 additions and 1 deletions
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32
src/deh_main.c
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@ -1,7 +1,7 @@
// Emacs style mode select -*- C++ -*-
//-----------------------------------------------------------------------------
//
// $Id: deh_main.c 174 2005-10-08 20:14:38Z fraggle $
// $Id: deh_main.c 182 2005-10-09 20:06:50Z fraggle $
//
// Copyright(C) 2005 Simon Howard
//
@ -21,6 +21,10 @@
// 02111-1307, USA.
//
// $Log$
// Revision 1.6 2005/10/09 20:06:50 fraggle
// Check the header of dehacked files and make sure we only load valid
// dehacked files.
//
// Revision 1.5 2005/10/08 20:14:38 fraggle
// Dehacked "Sound" section support
//
@ -54,6 +58,8 @@
#include "deh_defs.h"
#include "deh_io.h"
static char deh_signature[] = "Patch File for DeHackEd v3.0\n";
// deh_ammo.c:
extern deh_section_t deh_section_ammo;
// deh_cheat.c:
@ -196,6 +202,21 @@ boolean DEH_ParseAssignment(char *line, char **variable_name, char **value)
return true;
}
static boolean CheckSignature(deh_context_t *context)
{
int i;
for (i=0; i<strlen(deh_signature); ++i)
{
int c = DEH_GetChar(context);
if (c != deh_signature[i])
return false;
}
return true;
}
// Parses a dehacked file by reading from the context
static void DEH_ParseContext(deh_context_t *context)
@ -205,6 +226,15 @@ static void DEH_ParseContext(deh_context_t *context)
void *tag = NULL;
char *line;
// Read the header and check it matches the signature
if (!CheckSignature(context))
{
DEH_Error(context, "This is not a dehacked v3.0 patch file!");
}
// Read the file
for (;;)
{
// read a new line