Author: mdounin
Date: 2013-03-04 15:39:03 +0000 (Mon, 04 Mar 2013)
New Revision: 5098
URL: http://trac.nginx.org/nginx/changeset/5098/nginx

Log:
Mp4: fixed handling of too small mdat atoms (ticket #266).

Patch by Gernot Vormayr (with minor changes).


Modified:
trunk/src/http/modules/ngx_http_mp4_module.c

Modified: trunk/src/http/modules/ngx_http_mp4_module.c
===================================================================
--- trunk/src/http/modules/ngx_http_mp4_module.c 2013-03-01 14:55:42 UTC (rev 5097)
+++ trunk/src/http/modules/ngx_http_mp4_module.c 2013-03-04 15:39:03 UTC (rev 5098)
@@ -754,6 +754,13 @@

*prev = &mp4->mdat_atom;

+ if (start_offset > mp4->mdat_data.buf->file_last) {
+ ngx_log_error(NGX_LOG_ERR, mp4->file.log, 0,
+ "start time is out mp4 mdat atom in \"%s\"",
+ mp4->file.name.data);
+ return NGX_ERROR;
+ }
+
adjustment = mp4->ftyp_size + mp4->moov_size
+ ngx_http_mp4_update_mdat_atom(mp4, start_offset)
- start_offset;

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