Re: [PATCH] contrib: add a credential helper for Mac OS X's keychain

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On Wed, Sep 14, 2011 at 4:01 AM, John Szakmeister <john@xxxxxxxxxxxxxxx> wrote:
>> +def add_internet_password(protocol, hostname, username, password):
>> +    # We do this over a pipe so that we can provide the password more
>> +    # securely than as an argument which would show up in ps output.
>> +    # Unfortunately this is possibly less robust since the security man
>> +    # page does not document how to quote arguments. Emprically it seems
>> +    # that using the double-quote, escaping \ and " works properly.
>
> I'm not sure this comment is correct... it looks like you're passing
> the password on the command line...
>
>> +    username = username.replace('\\', '\\\\').replace('"', '\\"')
>> +    password = password.replace('\\', '\\\\').replace('"', '\\"')
>> +    command = ' '.join([
>> +        'add-internet-password', '-U',
>> +        '-r', protocol,
>> +        '-s', hostname,
>> +        '-a "%s"' % username,
>> +        '-w "%s"' % password,
>
> ...right here. :-(

Nope, you snipped out too much context. That command is turned into a
string and then sent to /usr/bin/security on its stdin. It is
absolutely not passed on the command-line.

j.
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