From 6e2d8c06ea740a1cd04faa2f8b7f8869fdb90466 Mon Sep 17 00:00:00 2001
From: Richard Mudgett <rmudgett@digium.com>
Date: Wed, 29 Aug 2012 19:48:56 +0000
Subject: [PATCH] Initialize file descriptors for dummy channels to -1.
Dummy channels usually aren't read from, but functions like SHELL and CURL
use autoservice on the channel.
(closes issue ASTERISK-20283)
Reported by: Gareth Palmer
Patches:
svn-371580.patch (license #5169) patch uploaded by Gareth Palmer (modified)
........
Merged revisions 371888 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........
Merged revisions 371890 from http://svn.asterisk.org/svn/asterisk/branches/10
........
Merged revisions 371891 from http://svn.asterisk.org/svn/asterisk/branches/11
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@371892 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
main/channel.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/main/channel.c b/main/channel.c
index bccba2e149..32ce57ec5d 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -1208,6 +1208,18 @@ struct ast_channel *ast_dummy_channel_alloc(void)
ast_pbx_hangup_handler_init(tmp);
AST_LIST_HEAD_INIT_NOLOCK(ast_channel_datastores(tmp));
+ /*
+ * Init file descriptors to unopened state just in case
+ * autoservice is called on the channel or something tries to
+ * read a frame from it.
+ */
+ ast_channel_timingfd_set(tmp, -1);
+ ast_channel_internal_alertpipe_clear(tmp);
+ ast_channel_internal_fd_clear_all(tmp);
+#ifdef HAVE_EPOLL
+ ast_channel_epfd(tmp) = -1;
+#endif
+
headp = ast_channel_varshead(tmp);
AST_LIST_HEAD_INIT_NOLOCK(headp);
--
GitLab