diff options
Diffstat (limited to 'gst/multipart')
| -rw-r--r-- | gst/multipart/multipartdemux.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/gst/multipart/multipartdemux.c b/gst/multipart/multipartdemux.c index 714d2079..c8488e0d 100644 --- a/gst/multipart/multipartdemux.c +++ b/gst/multipart/multipartdemux.c @@ -334,13 +334,27 @@ multipart_parse_header (GstMultipartDemux * multipart) data = gst_adapter_peek (multipart->adapter, datalen); dataend = data + datalen; + /* Skip leading whitespace, pos endposition should at least leave space for + * the boundary and a \n */ + for (pos = (guint8 *) data; pos < dataend - 4 && g_ascii_isspace (*pos); + pos++); + + if (pos >= dataend - 4) { + return MULTIPART_NEED_MORE_DATA; + } + + if (G_UNLIKELY (pos[0] != '-' || pos[1] != '-')) { + GST_DEBUG_OBJECT (multipart, "No boundary available"); + goto wrong_header; + } + /* First the boundary */ - if (!get_line_end (data, dataend, &end, &next)) + if (!get_line_end (pos, dataend, &end, &next)) return MULTIPART_NEED_MORE_DATA; /* Ignore the leading -- */ - boundary_len = end - data - 2; - boundary = (gchar *) data + 2; + boundary_len = end - pos - 2; + boundary = (gchar *) pos + 2; if (boundary_len < 1) { GST_DEBUG_OBJECT (multipart, "No boundary available"); goto wrong_header; |