[asterisk-users] Patch to remove numbers from the logs

[George Joseph]

On Thu, Jul 8, 2021 at 3:58 PM Dovid Bender <dovid at telecurve.com> wrote:

> Hi,
>
> We have a project where people will be making payments over the phone. I
> would like block Asterisk from logging any time the system is processing a
> card. So be it SayDigits(123456789), when the user enters DTMF or when I
> pass a card number as a variable to an AGI etc. I assume this affects
> others and I would like to have the patch created in a way that a. will be
> accepted by Sangoma and b. will work for anyone else that has this issue.
>

Are you talking strictly about normal messages generated by the dialplan or
all messages, even warnings, errors, etc generated internally?



> My idea was to have a channel variable
> for exampleSet(CHANNEL(LOG_DIGITS)=OFF) and then have ast_logger check to
> see if the variable is set.
>

Would you need to do this on a channel-by-channel basis or could you set a
global variable?


> The problem I faced that wherever the logger is called a string is passed.
> So any digits (e.g. channel ID, thread ID etc.) would have the digits
> removed which I assume would hurt people. My solution was to have a
> configuration file where you would put in regex strings that we would
> replace. For instance if I set LOG_DIGITS=OFF and in the Dialplan I had
> CARD=4111111111111111
> EXP_MOTH=12
> EXP_YEAR=2025
>

Are those variables set on the channel?


>
> In the configuration file I would have
> CARD=([0-9]{15,16})
> EXP_MONTH=([1-2]?[0-9])
> EXP_YEAR=(202[5-9])
>

I'd skip the config file and  make teh regexes global dialplan variables.


> The system would then look for any of the above expressions and then
> replace the numbers with an X. Does that seem like a patch that would get
> accepted? is that completely in left field? Any thoughts on a better way of
> doing it? I know I can change the verbosity to 0 but then I would get
> nothing at all in the logs.
>
> TIA.
>
> Dovid
>
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