Open-Source-Access-Control-.../app/controllers/macs_controller.rb

194 lines
4.7 KiB
Ruby

class MacsController < ApplicationController
#require "active_record"
require "optparse"
#require "rubygems"
def index
@macs = Mac.all
end
# GET /macs/1
# GET /macs/1.json
def show
@mac = Mac.find(params[:id])
respond_to do |format|
format.html # show.html.erb
format.json { render :json => @macs }
end
end
# GET /macs/new
# GET /macs/new.json
def new
@mac = Mac.new
@users = User.all.sort_by(&:name)
respond_to do |format|
format.html # new.html.erb
format.json { render :json => @mac }
end
end
# GET /macs/1/edit
def edit
@mac = Mac.find(params[:id])
@users = User.all.sort_by(&:name)
end
# POST /macs
# POST /user
def create
@mac = Mac.new(params[:mac])
@mac.user_id = params[:user_id]
Rails.logger.info @macs.inspect
respond_to do |format|
if @mac.save
format.html { redirect_to macs_path, :notice => 'Mac was successfully created.' }
format.json { render :json => @mac, :status => :created, :location => @mac }
else
format.html { render :action => "new" }
format.json { render :json => @mac.errors, :status => :unprocessable_entity }
end
end
end
# PUT /macs/1
# PUT /macs/1.json
def update
#Log who updated this
@mac = Mac.find(params[:id])
respond_to do |format|
if @mac.update_attributes(params[:mac])
Rails.logger.info @mac.inspect
format.html { redirect_to macs_path, :notice => 'User certification was successfully updated.' }
format.json { head :no_content }
else
format.html { render :action => "edit" }
format.json { render :json => @mac.errors, :status => :unprocessable_entity }
end
end
end
def scan
Rails.logger.info "starting scan..."
# Command line arguments
options = {};
OptionParser.new { |opts|
opts.banner = "Usage: pamela-scanner.rb --interface=en0"
options[:verbose] = true
opts.on("v", "--verbose", "Run verbosely") { |verbose|
options[:verbose] = verbose
}
options[:interface] = "eth0"
opts.on("i", "--interface=interface", "Network Interface") { |interface|
options[:interface] = interface
}
options[:max_age] = 20
opts.on("a", "--max-age=minutes", "Minutes to keep expired macs active") { |max_age|
options[:max_age] = max_age.to_i
}
options[:db_host] = "configure_me"
opts.on("r", "--db-host=host", "Database Host") { |host|
options[:db_host] = host
}
options[:db_name] = "configure_me"
opts.on("n", "--db-name=name", "Database Name") { |name|
options[:db_name] = name
}
options[:db_user] = "configure_me"
opts.on("u", "--db-user=user", "Database User") { |user|
options[:db_user] = user
}
options[:db_password] = "configure_me"
opts.on("p", "--db-password=password", "Database Password") { |password|
options[:db_password] = password
}
}.parse!
# Open the database
#ActiveRecord::Base::establish_connection(
# :adapter => "mysql2",
# :host => options[:db_host],
# :database => options[:db_name],
# :username => options[:db_user],
# :password => options[:db_password])
#class Mac < ActiveRecord::Base
#end
#class MacLog < ActiveRecord::Base
#end
# Scan the network for mac addresses
macs = {};
command = sprintf("arp-scan -R --interface=%s --localnet", options[:interface])
if options[:verbose]
Rails.logger.info "Running [#{command}]"
end
IO.popen(command) { |stdin|
Rails.logger.info "Reading stdin: "+stdin.inspect
stdin.each { |line|
next if line !~ /^([\d\.]+)\s+([[:xdigit:]:]+)\s/;
macs[$2] = $1;
}
}
# Scan the existing macs and update each record as necessary
Mac.find(:all).each { |entry|
Rails.logger.info "Existing MAC: "+entry.inspect
mac = entry.mac
ip = entry.ip
if macs.has_key?(mac)
if ! entry.active || ! entry.since
Rails.logger.info "Activating #{mac} at #{ip}" if options[:verbose]
entry.since = Time.now
MacLog.new(:mac => mac, :ip => ip, :action => "activate").save
end
entry.active = 1
entry.ip = ip
entry.refreshed = Time.now
entry.save
macs.delete(mac)
next
end
# Entry is no longer current
if entry.active
ageMinutes = ((Time.now - entry.refreshed)/60).to_i
next if ageMinutes < options[:max_age]
Rails.logger.info "Deactivating #{mac}, #{ageMinutes} minutes old" if options[:verbose]
entry.active = 0
entry.save
MacLog.new(:mac => mac, :ip => ip, :action => "deactivate").save
end
}
# Add entries for any macs not already in the db
macs.each { |mac, ip|
Rails.logger.info "Activating new entry #{mac} at #{ip}" if options[:verbose]
Mac.new(:mac => mac, :ip => ip, :active => 1, :since => Time.now, :refreshed => Time.now).save
MacLog.new(:mac => mac, :ip => ip, :action => "activate").save
}
@log = MacLog.all
end #def scan
end