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#!/usr/bin/perl |
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|
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#use strict; |
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use strict qw ( vars refs ); |
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use warnings; |
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|
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use Env qw ( HOME ); |
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use Term::ReadLine; |
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use IO::File; |
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|
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my @sh_commands_local = qw ( connect sc exit quit help ? ); |
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my @sh_commands_remote = qw ( tell bye ); |
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|
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my %cfg; |
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$cfg{branding}{console_name} = "jash"; |
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|
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my %console; |
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$console{commands} = \@sh_commands_local; |
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$console{context} = ""; |
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|
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my %conn; |
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$conn{type} = "cmdfd"; |
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$conn{file_name} = ""; |
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$conn{host_name} = ""; |
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$conn{target} = ""; |
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$conn{connected} = 0; |
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$conn{user} = 'anonymous'; |
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$conn{commands} = \@sh_commands_remote; |
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|
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my %helpmsg; |
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|
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$helpmsg{connect} = <<EOH; |
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COMMAND: |
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connect |
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|
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SYNOPSIS: |
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connect |
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connect cmdfile [cmdfile] |
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connect http username[\@hostname] |
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|
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DESCRIPTION: |
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Connect to a local or remote command-engine |
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EOH |
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|
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$helpmsg{sc} = <<EOH; |
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COMMAND: |
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sc (switch context) |
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|
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SYNOPSIS: |
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sc <context> |
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|
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DESCRIPTION: |
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Switches console-context to "<context>". |
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Every remote-command issued from now on will be prefixed by the console-context. |
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Delete a context by just typing "sc". |
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EOH |
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|
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$helpmsg{exit} = <<EOH; |
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COMMAND: |
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exit|quit |
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|
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SYNOPSIS: |
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exit |
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quit |
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|
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DESCRIPTION: |
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Quits from shell. |
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EOH |
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$helpmsg{quit} = $helpmsg{exit}; |
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|
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$helpmsg{tell} = <<EOH; |
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COMMAND: |
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tell |
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|
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SYNOPSIS: |
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tell <target>|<alias> <command> |
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|
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DESCRIPTION: |
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Tells an (aliased) target what to do |
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EOH |
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|
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sub getUsage { |
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my $bool_connected = "no"; |
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$conn{connected} && ($bool_connected = "yes"); |
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my $helpmsg = <<EOH; |
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---------------------------------------------------------- |
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commands: |
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- local-commands: @{$console{commands}} |
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- remote-commands: @{$conn{commands}} |
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---------------------------------------------------------- |
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status: |
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- console-context: $console{context} |
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- connected: $bool_connected |
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- connection-target: $conn{target} |
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---------------------------------------------------------- |
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EOH |
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} |
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|
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sub getHelpMsg { |
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my $helpkey = shift; |
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my $msg = ""; |
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if ($helpmsg{$helpkey}) { |
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$msg .= <<MSG; |
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--------------------------------------------- |
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MSG |
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$msg .= $helpmsg{$helpkey}; |
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} |
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return $msg; |
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} |
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|
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sub lCmd { |
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|
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my $cmd = shift; |
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|
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if ($cmd eq 'quit' || $cmd eq 'exit') { exit; } |
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|
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if ($cmd =~ m/(help|\?)\s*(.*)/) { |
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my $helpkey = $2; |
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if ($helpkey) { |
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return getHelpMsg($helpkey); |
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} else { |
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return getUsage(); |
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} |
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} |
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|
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if ($cmd =~ m/connect\s*(.*)/) { |
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my $param = $1; |
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my $c_where = ""; |
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my $c_args = ""; |
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if ($param =~ m/(cmdfile|http)\s*(.*)/) { |
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$c_where = $1; |
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$c_args = $2; |
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} else { |
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$c_where = "cmdfile"; |
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} |
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rConnect($c_where, $c_args); |
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return; |
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} |
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|
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if ($cmd =~ m/sc\s*(.*)/) { |
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my $context = $1; |
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$console{context} = ''; |
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$console{context} = $1; |
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return; |
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} |
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|
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} |
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|
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sub rConnect { |
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my $where = shift; |
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my $args = shift; |
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if ($where eq 'cmdfile') { |
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if (!$args) { |
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$args = $HOME . '/.mjamcmd'; |
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} |
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my $file = $args; |
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if (-e $file) { |
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print "trying to connect to $where ($args)", "\n"; |
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$conn{file_name} = $args; |
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$conn{connected} = 1; |
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$conn{target} = $conn{file_name}; |
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} |
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} |
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|
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} |
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|
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sub rCmd { |
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my $cmd = shift; |
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if (!$conn{connected}) { |
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print "\"$cmd\" is a remote command, please connect first!", "\n"; |
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return; |
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} |
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#my $fh = $conn{file_handle}; |
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my $handle = IO::File->new($conn{file_name}, "a+"); |
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$handle->print($cmd, "\n"); |
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$handle->close(); |
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return "done???"; |
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} |
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|
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sub in_array { |
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my $search = shift; |
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my $arrayref = shift; |
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my $bool_ok = 0; |
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map { $bool_ok++ if ($_ eq $search); } @{$arrayref}; |
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#map { print "found\n" if ($_ eq $rcmd); } @sh_commands_remote; |
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#map { if print $_, ","; } @sh_commands_remote; |
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$bool_ok && return 1; |
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} |
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|
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|
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sub execCmd { |
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|
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my $cmd_console = shift; |
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my $result; |
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|
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my $cmd_issue; |
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|
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# if the console-command is empty, just return |
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if (!$cmd_console) { return; } |
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|
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# split console-command by whitespace |
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my @cmd = split(' ', $cmd_console); |
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|
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# is it a local command ... |
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$cmd_issue = $cmd_console; |
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if (in_array($cmd[0], $console{commands})) { |
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return lCmd($cmd_console); |
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} |
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|
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# prefix console-command with console-context ;), to build complete remote-command |
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my $context = ''; |
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$console{context} && ($context = $console{context} . " "); |
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my $cmd_remote = $context . $cmd_console; |
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|
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# split remote-command by whitespace |
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my @cmdr = split(' ', $cmd_remote); |
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|
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# ... or is it a remote one? |
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$cmd_issue = $cmd_remote; |
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if (in_array($cmdr[0], $conn{commands})) { |
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return rCmd($cmd_remote); |
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} |
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|
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# unknown command, print this to shell |
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return "unknown command (\"$cmd_issue\"), type ? for help."; |
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} |
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|
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sub getPrompt { |
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my $tmp_login = ''; |
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if ($conn{connected}) { |
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my $target_prompt; |
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if ($conn{type} eq "cmdfd") { |
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$target_prompt = "cmdfd"; |
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} else { |
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$target_prompt = $conn{target}; |
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} |
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$tmp_login .= "(" . $conn{user} . "\@" . $target_prompt . ") "; |
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} |
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if ($console{context}) { |
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$tmp_login .= "[ $console{context} ] "; |
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} |
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return "$cfg{branding}{console_name} $tmp_login#> "; |
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} |
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|
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sub main { |
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|
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my $term = new Term::ReadLine 'jash'; |
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#my $prompt = getPrompt(); |
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my $OUT = $term->OUT || STDOUT; |
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|
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while ( defined ($_ = $term->readline(getPrompt())) ) { |
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#$res = eval($_), "\n"; |
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my $res = execCmd($_); |
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#warn $@ if $@; |
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#print $OUT $res, "\n" unless $@; |
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$res && print $OUT $res, "\n"; |
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$term->addhistory($_) if /\S/; |
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} |
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|
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} |
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|
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main(); |
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print "exit.", "\n"; |
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