reloadcustompasswdfile

reloadcustompasswdfile
----------------------

Reload the server custom password file. For those user's who don't use login name
This should be used when most users use the machine login name, but a few users specify their own user name,
in this case these user must provide a password.
Although the password file can be reloaded(i.e to add/remove users), its location can't be changed
The password file is located by the ECF_CUSTOM_PASSWD environment variable, both for the client and server
On the server the default file name is <host>.<port>.ecf.custom_passwd
On the client the default file name is ecf.custom_passwd
The format of the file is same for client and server:

4.5.0
# comment
<user> <host> <port> <passwd> # comment

i.e
4.5.0 # the version
fred machine1 3142 xxyyyd
fred machine2 3133 xxyyyd # comment
bill machine2 3133 xxyggyyd

The same user may appear multiple times. i.e with different host/port. This allows the password file
to be used for multiple servers
For the password authentication to work. It must be:
  - Defined for the client and server
  - Creating an empty password file,(i.e with just the version) will mean, no client can reload it.
    Hence at least the server administrator needs to be added to the file
  - The password file permission's must be set for reading by the user only
Usage:
 --reloadcustompasswdfile

The client reads in the following environment variables. These are read by user and child command

|----------|----------|------------|-------------------------------------------------------------------|
| Name     |  Type    | Required   | Description                                                       |
|----------|----------|------------|-------------------------------------------------------------------|
| ECF_HOST | <string> | Mandatory* | The host name of the main server. defaults to 'localhost'         |
| ECF_PORT |  <int>   | Mandatory* | The TCP/IP port to call on the server. Must be unique to a server |
| ECF_SSL  |  <any>   | Optional*  | Enable encrypted comms with SSL enabled server.                   |
|----------|----------|------------|-------------------------------------------------------------------|

* The host and port must be specified in order for the client to communicate with the server, this can
  be done by setting ECF_HOST, ECF_PORT or by specifying --host=<host> --port=<int> on the command line