inspec/lib/resources/mysql_session.rb
2015-10-26 16:58:42 +01:00

52 lines
1.5 KiB
Ruby

# encoding: utf-8
# copyright: 2015, Vulcano Security GmbH
# author: Dominik Richter
# author: Christoph Hartmann
# license: All rights reserved
class MysqlSession < Inspec.resource(1)
name 'mysql_session'
def initialize(user = nil, pass = nil)
@user = user
@pass = pass
init_fallback if user.nil? or pass.nil?
skip_resource("Can't run MySQL SQL checks without authentication") if @user.nil? or @pass.nil?
end
def query(q, db = '')
# TODO: simple escape, must be handled by a library
# that does this securely
escaped_query = q.gsub(/\\/, '\\\\').gsub(/"/, '\\"').gsub(/\$/, '\\$')
# run the query
cmd = inspec.command("mysql -u#{@user} -p#{@pass} #{db} -s -e \"#{escaped_query}\"")
out = cmd.stdout + "\n" + cmd.stderr
if out =~ /Can't connect to .* MySQL server/ or
out.downcase =~ /^error/
# skip this test if the server can't run the query
skip_resource("Can't connect to MySQL instance for SQL checks.")
end
# return the raw command output
cmd
end
def to_s
'MySQL Session'
end
private
def init_fallback
# support debian mysql administration login
debian = inspec.command('test -f /etc/mysql/debian.cnf && cat /etc/mysql/debian.cnf').stdout
return if debian.empty?
user = debian.match(/^\s*user\s*=\s*([^ ]*)\s*$/)
pass = debian.match(/^\s*password\s*=\s*([^ ]*)\s*$/)
return if user.nil? or pass.nil?
@user = user[1]
@pass = pass[1]
end
end