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16.5.19.1 Defining a remote connection tool

Several remote access tools are already defined in GPS: ssh, rsh, telnet and plink. It is possible to add other tools, using the node remote_connection_config.

The attributes for this node are:

name (string) (mandatory)

The name of the tool. This name does not necessarilly correspond to the command used to launch the tool.

The following children are defined:

start_command (mandatory)

The command used to launch the tool. This tag supports the use_pipes attribute. This attribute selects on Windows the way GPS will launch the remote tools, and can take the following values:

true

use pipes to launch the tool.

false (default)

use a tty emulation, which is a bit slower but allow password prompts retrieval with some tools.

Note that this argument has effects only on Windows platforms.

start_command_common_args (optional)

The arguments that are provided to the tool. This string can contain the following replacement macros:

%C

is replaced by the command executed on the remote host (e.g. the shell command)

%h

is replaced by the remote host name

%U

is replaced by the start_command_user_args, if a user is specified

%u

is replaced by the user name

Note that if neither %u nor %U is found, and a user is specified in the remote connection configuration, then the start_command_user_args is placed at the beginning of the arguments.

start_command_user_args (optional)

The arguments used to define a specific user during connection. %u is replaced by the user name

send_interrupt (optional)

The characters sequence to send to the remote tool to interrupt the remote application. If unset, then an Interrupt signal is sent directly to the remote tool.

user_prompt_ptrn (optional)

A regular expression, used to catch user name prompts from the connection tool. If undefined, a default regular expression is used.

password_prompt_ptrn (optional)

A regular expression, used to catch password prompts from the connection tool. If undefined, a default regular expression is used.

passphrase_prompt_ptrn (optional)

A regular expression, used to catch passphrase prompts from the connection tool. If undefined, a default regular expression is used.

extra_ptrn (optional)

Complex child. Used to catch extra prompts from the connection tool, other than password, passphrase or usename prompts. This tag has an attribute auto_answer telling if GPS automatically answers to this prompt, or ask the user. If auto_answer is true, then this tag needs an answer child, whose value is used for the answer. If auto_answer is false, then this tag needs a question child, whose value is used as question to the end user.


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