inspec/lib/resources/mysql_session.rb
Dominik Richter 903b9642e4 lint resources
Signed-off-by: Dominik Richter <dominik.richter@gmail.com>
2015-09-22 02:15:42 +02:00

46 lines
1.4 KiB
Ruby

# encoding: utf-8
# copyright: 2015, Vulcano Security GmbH
# license: All rights reserved
$__SCOPE = self
class MysqlSession < Vulcano.resource(1)
name 'mysql_session'
def initialize(user, pass)
@user = user
@pass = pass
initialize_fallback if user.nil? or pass.nil?
skip_resource("Can't run MySQL SQL checks without authentication") if @user.nil? or @pass.nil?
end
def describe(query, db = '', &block)
# TODO: simple escape, must be handled by a library
# that does this securely
escaped_query = query.gsub(/\\/, '\\\\').gsub(/"/, '\\"').gsub(/\$/, '\\$')
# run the query
cmd = vulcano.run_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.")
else
$__SCOPE.describe(cmd, &block)
end
end
private
def initialize_fallback
# support debian mysql administration login
debian = vulcano.run_command('test -f /etc/mysql/debian.cnf && cat /etc/mysql/debian.cnf').stdout
return if debian.empty?
user = debian.match(/^\s*user\s*=\s*([^ ]*)\s*$/)
pass = debian.match(/^\s*password\s*=\s*([^ ]*)\s*$/)
return if user.nil? or pass.nil?
@user = user[1]
@pass = pass[1]
end
end