Clipsal C-Bus Guia do Utilizador descarregar pdf (Página 20)

cbus Documentation, Release 0.1-dev

4.4 CFTP

CFTP is a service which acts as a back-door into the device. It runs on port 8336, and is managed by the service

cftp_daemon.

It has a hard-coded password to access the service. Despite the name, it doesn’t actually implement FTP. It is used by

Clipsal’s programming software in order to manage the device. It appears to have the following functionality:

• Manage port forwards inside of the network when the device is acting as the router for the network. Unknown

how this is controlled.

• Reﬂash the contents of partition 6 of FLASH (label: clipsal). Appears to be a gzip-compressed tarball,

which gets extracted to /www/clipsal/resources.

Communication with the server is done with a simple text-based protocol, with the UNIX newline character indicating

the end of command. Do not send DOS or other style linefeeds as this will not work.

If the daemon does not understand your command, it will simply send no response.

4.4.1 Startup process

On startup, the process will:

1. Delete /tmp/

.tar.gz.

2. Copy the contents of /dev/mtblock/6 to /tmp/test.cta.

3. Mount a new ramfs to /www/clipsal/resources/

4. Extract settings.conf from the gzip-compressed tarball /tmp/test.cta to

/www/clipsal/resources/.

5. Read daemon conﬁguration from settings.conf.

6. Extract all ﬁles from the tarball to /www/clipsal/resources/.

4.4.2 Unauthenticated state

Connecting to the service yields a welcome message:

200 Welcome

PASS

Client command:

PASS bloop

The server will respond that you are logged in successfully, and transition your connection to the authenticated state:

201 Logged in

Note: There is no way to change this password. It is hard coded in Wiser’s ﬁrmware.

Sending other passwords yield no response.

16 Chapter 4. Wiser

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