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Fix another issue that was causing crashes in chanspy. This introduces a new

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datastore callback, called chan_fixup().  The concept is exactly like the
fixup callback that is used in the channel technology interface.  This callback
gets called when the owning channel changes due to a masquerade.  Before this
was introduced, if a masquerade happened on a channel being spyed on, the
channel pointer in the datastore became invalid.

(closes issue #12187)
(reported by, and lots of testing from atis)
(props to file for the help with ideas)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@108583 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2008-03-13 21:38:16 +00:00
parent a10f524dfb
commit efa3b46cdf
3 changed files with 32 additions and 1 deletions
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10
apps/app_chanspy.c
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@@ -390,9 +390,19 @@ static void chanspy_ds_destroy(void *data)
ast_mutex_unlock(&chanspy_ds->lock);
}
static void chanspy_ds_chan_fixup(void *data, struct ast_channel *old_chan, struct ast_channel *new_chan)
{
struct chanspy_ds *chanspy_ds = data;
ast_mutex_lock(&chanspy_ds->lock);
chanspy_ds->chan = new_chan;
ast_mutex_unlock(&chanspy_ds->lock);
}
static const struct ast_datastore_info chanspy_ds_info = {
.type = "chanspy",
.destroy = chanspy_ds_destroy,
.chan_fixup = chanspy_ds_chan_fixup,
};
static struct chanspy_ds *chanspy_ds_free(struct chanspy_ds *chanspy_ds)