diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/i_sound.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/i_sound.c b/src/i_sound.c index 45ead1af..18be082f 100644 --- a/src/i_sound.c +++ b/src/i_sound.c @@ -1,7 +1,7 @@ // Emacs style mode select -*- C++ -*- //----------------------------------------------------------------------------- // -// $Id: i_sound.c 102 2005-09-11 23:57:08Z fraggle $ +// $Id: i_sound.c 152 2005-10-02 20:23:04Z fraggle $ // // Copyright(C) 1993-1996 Id Software, Inc. // Copyright(C) 2005 Simon Howard @@ -22,6 +22,9 @@ // 02111-1307, USA. // // $Log$ +// Revision 1.20 2005/10/02 20:23:04 fraggle +// Guard against music lumps containing non-MUS data, document in bugs list +// // Revision 1.19 2005/09/11 23:57:08 fraggle // Remove temporary MIDI files generated by sound code. // @@ -93,7 +96,7 @@ //----------------------------------------------------------------------------- static const char -rcsid[] = "$Id: i_sound.c 102 2005-09-11 23:57:08Z fraggle $"; +rcsid[] = "$Id: i_sound.c 152 2005-10-02 20:23:04Z fraggle $"; #include <stdio.h> #include <stdlib.h> @@ -570,6 +573,12 @@ void *I_RegisterSong(void *data, int len) if (!music_initialised) return NULL; + // MUS files begin with "MUS" + // Reject anything which doesnt have this signature + + if (len < 3 || memcmp(data, "MUS", 3) != 0) + return NULL; + #ifdef _WIN32 sprintf(filename, "doom.mid"); #else |