[asterisk-bugs] [JIRA] (ASTERISK-28868) app_alarmreceiver.c does not call "eventcmd" with events as arguments or piping

[Paul Langner (JIRA)]

Paul Langner created ASTERISK-28868:
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             Summary: app_alarmreceiver.c does not call "eventcmd" with events as arguments or piping
                 Key: ASTERISK-28868
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28868
             Project: Asterisk
          Issue Type: Improvement
      Security Level: None
          Components: Applications/app_alarmreceiver
    Affects Versions: 16.10.0
         Environment: All
            Reporter: Paul Langner
            Severity: Minor


alarmreceiver.conf documentation states that app_alarmreceiver.c will pipe the alarm events to the user application specified by eventcmd in alarmreceiver.conf, yet it does not do this, and only calls the eventcmd program with no arguments, and no piping (Lines 154-158).

To solve this issue, a command string needs to be created consisting of the user command specified by eventcmd, followed by the list of events, passed as command-line arguments, and this string called upon hang-up.  This is better than piping, as typically the events need to be parsed into human-readable form prior to e-mailing, etc. - which is easily done in a bash script.

Up to this point, the approach (without fixing the issue) has been to enable writing individual events to the /tmp directory and then having the program specified in eventcmd search this directory for the most recent file, and then parse this to obtain the event.




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