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#!/usr/bin/env python
# Software License Agreement (BSD License)
#
# Copyright (c) 2009, Eucalyptus Systems, Inc.
# All rights reserved.
#
# Redistribution and use of this software in source and binary forms, with or
# without modification, are permitted provided that the following conditions
# are met:
#
# Redistributions of source code must retain the above
# copyright notice, this list of conditions and the
# following disclaimer.
#
# Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the
# following disclaimer in the documentation and/or other
# materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# Author: Neil Soman neil@eucalyptus.com
import getopt, sys, os
from euca2ools import Euca2ool, AddressValidationError, ProtocolValidationError, Util
usage_string = """
Add a new rule to a security group.
euca-authorize [-P, --protocol protocol] [-p, --port-range port_range]
[-t, --icmp-type-code type:code] [-o, --source-group source_group]
[-u, --source-group-user source_group_user] [-s, --source-subnet source_subnet]
[-h, --help] [--version] [--debug] group_name
REQUIRED PARAMETERS
group_name Name of the group to add the rule to.
OPTIONAL PARAMETERS
-P, --protocol Protocol ("tcp" "udp" or "icmp").
-p, --port-range Range of ports for the rule (specified as "from-to").
-t, --icmp-type-code ICMP type and code specified as "type:code"
-o, --source-group Group from which traffic is authorized by the rule.
-u, --source-group-user User ID for the source group.
-s, --source-subnet The source subnet for the rule.
"""
version_string = """ euca-authorize version: 1.0 (BSD)"""
def usage():
print usage_string
Util().usage(compat=True)
def version():
print version_string
sys.exit()
def main():
euca = None
try:
euca = Euca2ool('P:p:o:u:s:t:',
['protocol=', 'port-range=', 'source-group=',
'source-group-user=', 'source-subnet=', 'icmp-type-code='], compat=True)
except Exception, e:
print e
usage()
group_name = None
protocol = 'tcp'
from_port = None
to_port = None
source_group_name = None
source_group_owner_id = None
cidr_ip = None
for name, value in euca.opts:
if name in ('-P', '--protocol'):
protocol = value
elif name in ('-p', '--port-range'):
ports = value.split('-')
if (len(ports) > 1):
from_port = int(ports[0])
to_port = int(ports[1])
else:
from_port = to_port = int(ports[0])
elif name in ('-o', '--source-group'):
source_group_name = value
elif name in ('-u', '--source-group-user'):
source_group_owner_id = value
elif name in ('-s', '--source-subnet'):
cidr_ip = value
elif name in ('-t', '--icmp-type-code'):
code_parts = value.split(":")
if (len(code_parts) > 1):
try:
from_port = int(code_parts[0])
to_port = int(code_parts[1])
except ValueError:
print "port must be an integer."
sys.exit(1)
elif name in ('-h', '--help'):
usage()
elif name == '--version':
version()
if source_group_name:
from_port = None
to_port = None
protocol = None
for arg in euca.args:
group_name = arg
break
euca_conn = euca.make_connection()
if group_name:
if cidr_ip:
try:
euca.validate_address(cidr_ip)
except AddressValidationError:
print 'Invalid address', cidr_ip
sys.exit(1)
if protocol:
try:
euca.validate_protocol(protocol)
except ProtocolValidationError:
print 'Invalid protocol', protocol
sys.exit(1)
try:
return_code = euca_conn.authorize_security_group(group_name = group_name,
src_security_group_name = source_group_name,
src_security_group_owner_id = source_group_owner_id,
ip_protocol = protocol,
from_port = from_port,
to_port = to_port,
cidr_ip = cidr_ip)
except Exception, ex:
euca.display_error_and_exit('%s' % ex)
if return_code:
print 'GROUP\t%s' % (group_name)
permission_string = 'PERMISSION\t%s\tALLOWS' % group_name
if protocol:
permission_string += '\t%s' % protocol
if from_port:
permission_string += '\t%s' % from_port
if to_port:
permission_string += '\t%s' % to_port
if source_group_owner_id:
permission_string += '\tUSER\t%s' % source_group_owner_id
if source_group_name:
permission_string += '\tGRPNAME\t%s' % source_group_name
if cidr_ip:
permission_string += '\tFROM\tCIDR\t%s' % cidr_ip
print permission_string
else:
print 'group_name must be specified'
usage()
if __name__ == "__main__":
main()
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