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Add some safety measures when using gosub, especially when using the options

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for app_dial and app_queue to run a gosub when the call is answered.

* Check for the existence of the gosub target in gosub_exec. If it is nonexistent,
  then this will cause errors when we attempt to actually run the gosub, including
  a definite memory leak and potential crashes. Return an error in this situation
* Check the return value of pbx_exec in app_dial and app_queue before attempting
  to actually run the gosub routine. If there was an error, we should not attempt
  to run the gosub.
* Change a '|' to a ',' in app_queue.
* Add some extra curly braces where they had been missing previously.

(closes issue #13548)
Reported by: fiddur



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@160626 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2008-12-03 18:37:46 +00:00
parent aa16330ce3
commit a53877b469
3 changed files with 23 additions and 9 deletions
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8
apps/app_dial.c
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@@ -2081,14 +2081,16 @@ static int dial_exec_full(struct ast_channel *chan, void *data, struct ast_flags
if (gosub_args) {
res9 = pbx_exec(peer, theapp, gosub_args);
ast_pbx_run(peer);
if (!res9) {
ast_pbx_run(peer);
}
ast_free(gosub_args);
if (option_debug)
ast_log(LOG_DEBUG, "Gosub exited with status %d\n", res9);
} else
} else {
ast_log(LOG_ERROR, "Could not Allocate string for Gosub arguments -- Gosub Call Aborted!\n");
}
res9 = 0;
} else if (!res9) {
ast_log(LOG_ERROR, "Could not find application Gosub\n");
res9 = -1;