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binary registry: Rewrite sanity check to actualy catch something.

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The previous commit was bogus, as was the check before. We just point m to the file data,
so neither it nor its members will be NULL. Better check if we have enough data.
This commit is contained in:
Stefan Kost 2009-02-06 10:51:28 +02:00
parent e060eec302
commit b87960ae5d
1 changed files with 4 additions and 3 deletions
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7
gst/gstregistrybinary.c
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@ -786,12 +786,13 @@ gst_registry_binary_check_magic (gchar ** in, gsize size)
align (*in);
GST_DEBUG ("Reading/casting for GstBinaryRegistryMagic at address %p", *in);
unpack_element (*in, m, GstBinaryRegistryMagic);
if (m == NULL || &m->magic == NULL || &m->version == NULL) {
GST_WARNING ("Binary registry magic structure is broken");
if (size < sizeof (GstBinaryRegistryMagic)) {
GST_WARNING ("Not enough data for binary registry magic structure");
return -1;
}
unpack_element (*in, m, GstBinaryRegistryMagic);
if (strncmp (m->magic, GST_MAGIC_BINARY_REGISTRY_STR,
GST_MAGIC_BINARY_REGISTRY_LEN) != 0) {
GST_WARNING