diff options
| -rw-r--r-- | src/deh_main.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/src/deh_main.c b/src/deh_main.c index ef06f095..0f252b77 100644 --- a/src/deh_main.c +++ b/src/deh_main.c @@ -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 |