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engine: fix possible buffer overflow in S_StreamGetCurrentState

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This commit is contained in:
Alibek Omarov 2024-05-06 06:53:22 +03:00
parent e754de46d1
commit 5120657386
5 changed files with 8 additions and 9 deletions
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10
engine/client/s_stream.c
View file

@ -142,7 +142,7 @@ S_StreamGetCurrentState
save\restore code
=================
*/
qboolean S_StreamGetCurrentState( char *currentTrack, char *loopTrack, int *position )
qboolean S_StreamGetCurrentState( char *currentTrack, size_t currentTrackSize, char *loopTrack, size_t loopTrackSize, int *position )
{
if( !s_bgTrack.stream )
return false; // not active
@ -150,15 +150,15 @@ qboolean S_StreamGetCurrentState( char *currentTrack, char *loopTrack, int *posi
if( currentTrack )
{
if( s_bgTrack.current[0] )
Q_strncpy( currentTrack, s_bgTrack.current, MAX_STRING );
else Q_strncpy( currentTrack, "*", MAX_STRING ); // no track
Q_strncpy( currentTrack, s_bgTrack.current, currentTrackSize );
else Q_strncpy( currentTrack, "*", currentTrackSize ); // no track
}
if( loopTrack )
{
if( s_bgTrack.loopName[0] )
Q_strncpy( loopTrack, s_bgTrack.loopName, MAX_STRING );
else Q_strncpy( loopTrack, "*", MAX_STRING ); // no track
Q_strncpy( loopTrack, s_bgTrack.loopName, loopTrackSize );
else Q_strncpy( loopTrack, "*", loopTrackSize ); // no track
}
if( position )

1
engine/client/sound.h
View file

@ -257,7 +257,6 @@ void SND_ForceCloseMouth( int entnum );
//
void S_StreamSoundTrack( void );
void S_StreamBackgroundTrack( void );
qboolean S_StreamGetCurrentState( char *currentTrack, char *loopTrack, int *position );
void S_PrintBackgroundTrackState( void );
void S_FadeMusicVolume( float fadePercent );

2
engine/common/common.h
View file

@ -695,7 +695,7 @@ void Log_Printf( const char *fmt, ... ) _format( 1 );
void SV_BroadcastCommand( const char *fmt, ... ) _format( 1 );
void SV_BroadcastPrintf( struct sv_client_s *ignore, const char *fmt, ... ) _format( 2 );
void CL_ClearStaticEntities( void );
qboolean S_StreamGetCurrentState( char *currentTrack, char *loopTrack, int *position );
qboolean S_StreamGetCurrentState( char *currentTrack, size_t currentTrackSize, char *loopTrack, size_t loopTrackSize, int *position );
void CL_ServerCommand( qboolean reliable, const char *fmt, ... ) _format( 2 );
void CL_HudMessage( const char *pMessage );
const char *CL_MsgInfo( int cmd );

2
engine/server/sv_game.c
View file

@ -666,7 +666,7 @@ void SV_RestartAmbientSounds( void )
#if !XASH_DEDICATED // TODO: ???
// restart soundtrack
if( S_StreamGetCurrentState( curtrack, looptrack, &position ))
if( S_StreamGetCurrentState( curtrack, sizeof( curtrack ), looptrack, sizeof( looptrack ), &position ))
{
SV_StartMusic( curtrack, looptrack, position );
}

2
engine/server/sv_save.c
View file

@ -1202,7 +1202,7 @@ static void SaveClientState( SAVERESTOREDATA *pSaveData, const char *level, int
header.soundCount = S_GetCurrentDynamicSounds( soundInfo, MAX_CHANNELS );
#if !XASH_DEDICATED
// music not reqiured to save position: it's just continue playing on a next level
S_StreamGetCurrentState( header.introTrack, header.mainTrack, &header.trackPosition );
S_StreamGetCurrentState( header.introTrack, sizeof( header.introTrack ), header.mainTrack, sizeof( header.mainTrack ), &header.trackPosition );
#endif
}