This change means privileges are dropped before loading certificates, starting logging, creating the pid file etc. are carried out, so all of those actions must now be changed to ensure that the unprivileged user can carry them out.

Must check QoS, and directions were wrong.

Signed-off-by: Arenoros <arenoros@gmail.com>

Signed-off-by: raspopov <raspopov@cherubicsoft.com>

Signed-off-by: raspopov <raspopov@cherubicsoft.com>

Also provide an example.

Something bad happened with a "timeout" parameter of mosquitto_loop() function in 4f61f6c1

. Reverted.

Signed-off-by: raspopov <raspopov@cherubicsoft.com>

This works in the following circumstances:

* client is deleted
* client is modified
* client has role added
* client has role removed
* group is deleted
* group is modified
* group has role added
* group has role removed
* group has client added
* group has client removed
* anonymous group is changed

The following circumstances are not yet fixed:

* role is deleted
* role is modified
* role has ACL added
* role has ACL removed

Closes #1871. Thanks to James Kleeh.

Applies to login user, init, createClient, and setClientPassword.

They will be unable to log in until a password is created.