Merged revisions 58164 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.2

........
r58164 | russell | 2007-03-06 18:20:13 -0600 (Tue, 06 Mar 2007) | 4 lines

If the channels acquired using the manager Redirect action are not up, then
don't attempt to do anything with them.  It could lead to weird behavior,
including crashes.  (issue #8977)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@58165 65c4cc65-6c06-0410-ace0-fbb531ad65f3

main/manager.c

@@ -1558,8 +1558,19 @@ static int action_redirect(struct mansession *s, const struct message *m)
 		astman_send_error(s, m, buf);
 		return 0;
 	}
+	if (chan->_state != AST_STATE_UP) {
+		astman_send_error(s, m, "Redirect failed, channel not up.\n");
+		ast_channel_unlock(chan);
+		return 0;
+	}
 	if (!ast_strlen_zero(name2))
 		chan2 = ast_get_channel_by_name_locked(name2);
+	if (chan2 && chan2->_state != AST_STATE_UP) {
+		astman_send_error(s, m, "Redirect failed, extra channel not up.\n");
+		ast_channel_unlock(chan);
+		ast_channel_unlock(chan2);
+		return 0;
+	}
 	res = ast_async_goto(chan, context, exten, pi);
 	if (!res) {
 		if (!ast_strlen_zero(name2)) {