Prevent a potential crash when using manager hooks.

Found by me while poking at DPMA-127.
........

Merged revisions 364841 from http://svn.asterisk.org/svn/asterisk/branches/1.8

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/10@364842 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/main/manager.c b/main/manager.c
index 4d51c247c1d11b754838557becffb150fcd6434e..b6b7ac4593e8f33b87faf7bec4f992d9b6a46649 100644 (file)
--- a/main/manager.c
+++ b/main/manager.c
@@ -4125,7 +4125,7 @@ static int action_originate(struct mansession *s, const struct message *m)
                ast_parse_allow_disallow(NULL, cap, codecs, 1);
        }
 
-       if (!ast_strlen_zero(app)) {
+       if (!ast_strlen_zero(app) && s->session) {
                int bad_appdata = 0;
                /* To run the System application (or anything else that goes to
                 * shell), you must have the additional System privilege */