[FFmpeg-devel] [PATCH] change the order of params for av_init_random()

Michael Niedermayer michaelni
Mon Jan 5 17:00:50 CET 2009


On Mon, Jan 05, 2009 at 02:44:34AM +0100, Stefano Sabatini wrote:
[...]
> Index: ffmpeg/ffserver.c
> ===================================================================
> --- ffmpeg.orig/ffserver.c	2009-01-05 02:40:48.000000000 +0100
> +++ ffmpeg/ffserver.c	2009-01-05 02:41:00.000000000 +0100
> @@ -4483,7 +4483,7 @@
>  
>      unsetenv("http_proxy");             /* Kill the http_proxy */
>  
> -    av_init_random(av_gettime() + (getpid() << 16), &random_state);
> +    av_random_init(&random_state, av_gettime() + (getpid() << 16));
>  
>      memset(&sigact, 0, sizeof(sigact));
>      sigact.sa_handler = handle_child_exit;

do we really have to export the pid and starttime to an attacker?

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Why not whip the teacher when the pupil misbehaves? -- Diogenes of Sinope
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