/usr/lib/python2.7/dist-packages/boto/ec2/securitygroup.py is in python-boto 2.34.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 | # Copyright (c) 2006-2011 Mitch Garnaat http://garnaat.org/
# Copyright (c) 2011, Eucalyptus Systems, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish, dis-
# tribute, sublicense, and/or sell copies of the Software, and to permit
# persons to whom the Software is furnished to do so, subject to the fol-
# lowing conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
# ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.
"""
Represents an EC2 Security Group
"""
from boto.ec2.ec2object import TaggedEC2Object
from boto.exception import BotoClientError
class SecurityGroup(TaggedEC2Object):
def __init__(self, connection=None, owner_id=None,
name=None, description=None, id=None):
super(SecurityGroup, self).__init__(connection)
self.id = id
self.owner_id = owner_id
self.name = name
self.description = description
self.vpc_id = None
self.rules = IPPermissionsList()
self.rules_egress = IPPermissionsList()
def __repr__(self):
return 'SecurityGroup:%s' % self.name
def startElement(self, name, attrs, connection):
retval = super(SecurityGroup, self).startElement(name, attrs, connection)
if retval is not None:
return retval
if name == 'ipPermissions':
return self.rules
elif name == 'ipPermissionsEgress':
return self.rules_egress
else:
return None
def endElement(self, name, value, connection):
if name == 'ownerId':
self.owner_id = value
elif name == 'groupId':
self.id = value
elif name == 'groupName':
self.name = value
elif name == 'vpcId':
self.vpc_id = value
elif name == 'groupDescription':
self.description = value
elif name == 'ipRanges':
pass
elif name == 'return':
if value == 'false':
self.status = False
elif value == 'true':
self.status = True
else:
raise Exception(
'Unexpected value of status %s for group %s' % (
value,
self.name
)
)
else:
setattr(self, name, value)
def delete(self, dry_run=False):
if self.vpc_id:
return self.connection.delete_security_group(
group_id=self.id,
dry_run=dry_run
)
else:
return self.connection.delete_security_group(
self.name,
dry_run=dry_run
)
def add_rule(self, ip_protocol, from_port, to_port,
src_group_name, src_group_owner_id, cidr_ip,
src_group_group_id, dry_run=False):
"""
Add a rule to the SecurityGroup object. Note that this method
only changes the local version of the object. No information
is sent to EC2.
"""
rule = IPPermissions(self)
rule.ip_protocol = ip_protocol
rule.from_port = from_port
rule.to_port = to_port
self.rules.append(rule)
rule.add_grant(
src_group_name,
src_group_owner_id,
cidr_ip,
src_group_group_id,
dry_run=dry_run
)
def remove_rule(self, ip_protocol, from_port, to_port,
src_group_name, src_group_owner_id, cidr_ip,
src_group_group_id, dry_run=False):
"""
Remove a rule to the SecurityGroup object. Note that this method
only changes the local version of the object. No information
is sent to EC2.
"""
if not self.rules:
raise ValueError("The security group has no rules")
target_rule = None
for rule in self.rules:
if rule.ip_protocol == ip_protocol:
if rule.from_port == from_port:
if rule.to_port == to_port:
target_rule = rule
target_grant = None
for grant in rule.grants:
if grant.name == src_group_name or grant.group_id == src_group_group_id:
if grant.owner_id == src_group_owner_id:
if grant.cidr_ip == cidr_ip:
target_grant = grant
if target_grant:
rule.grants.remove(target_grant)
if len(rule.grants) == 0:
self.rules.remove(target_rule)
def authorize(self, ip_protocol=None, from_port=None, to_port=None,
cidr_ip=None, src_group=None, dry_run=False):
"""
Add a new rule to this security group.
You need to pass in either src_group_name
OR ip_protocol, from_port, to_port,
and cidr_ip. In other words, either you are authorizing another
group or you are authorizing some ip-based rule.
:type ip_protocol: string
:param ip_protocol: Either tcp | udp | icmp
:type from_port: int
:param from_port: The beginning port number you are enabling
:type to_port: int
:param to_port: The ending port number you are enabling
:type cidr_ip: string or list of strings
:param cidr_ip: The CIDR block you are providing access to.
See http://en.wikipedia.org/wiki/Classless_Inter-Domain_Routing
:type src_group: :class:`boto.ec2.securitygroup.SecurityGroup` or
:class:`boto.ec2.securitygroup.GroupOrCIDR`
:param src_group: The Security Group you are granting access to.
:rtype: bool
:return: True if successful.
"""
group_name = None
if not self.vpc_id:
group_name = self.name
group_id = None
if self.vpc_id:
group_id = self.id
src_group_name = None
src_group_owner_id = None
src_group_group_id = None
if src_group:
cidr_ip = None
src_group_owner_id = src_group.owner_id
if not self.vpc_id:
src_group_name = src_group.name
else:
if hasattr(src_group, 'group_id'):
src_group_group_id = src_group.group_id
else:
src_group_group_id = src_group.id
status = self.connection.authorize_security_group(group_name,
src_group_name,
src_group_owner_id,
ip_protocol,
from_port,
to_port,
cidr_ip,
group_id,
src_group_group_id,
dry_run=dry_run)
if status:
if not isinstance(cidr_ip, list):
cidr_ip = [cidr_ip]
for single_cidr_ip in cidr_ip:
self.add_rule(ip_protocol, from_port, to_port, src_group_name,
src_group_owner_id, single_cidr_ip,
src_group_group_id, dry_run=dry_run)
return status
def revoke(self, ip_protocol=None, from_port=None, to_port=None,
cidr_ip=None, src_group=None, dry_run=False):
group_name = None
if not self.vpc_id:
group_name = self.name
group_id = None
if self.vpc_id:
group_id = self.id
src_group_name = None
src_group_owner_id = None
src_group_group_id = None
if src_group:
cidr_ip = None
src_group_owner_id = src_group.owner_id
if not self.vpc_id:
src_group_name = src_group.name
else:
if hasattr(src_group, 'group_id'):
src_group_group_id = src_group.group_id
else:
src_group_group_id = src_group.id
status = self.connection.revoke_security_group(group_name,
src_group_name,
src_group_owner_id,
ip_protocol,
from_port,
to_port,
cidr_ip,
group_id,
src_group_group_id,
dry_run=dry_run)
if status:
self.remove_rule(ip_protocol, from_port, to_port, src_group_name,
src_group_owner_id, cidr_ip, src_group_group_id,
dry_run=dry_run)
return status
def copy_to_region(self, region, name=None, dry_run=False):
"""
Create a copy of this security group in another region.
Note that the new security group will be a separate entity
and will not stay in sync automatically after the copy
operation.
:type region: :class:`boto.ec2.regioninfo.RegionInfo`
:param region: The region to which this security group will be copied.
:type name: string
:param name: The name of the copy. If not supplied, the copy
will have the same name as this security group.
:rtype: :class:`boto.ec2.securitygroup.SecurityGroup`
:return: The new security group.
"""
if region.name == self.region:
raise BotoClientError('Unable to copy to the same Region')
conn_params = self.connection.get_params()
rconn = region.connect(**conn_params)
sg = rconn.create_security_group(
name or self.name,
self.description,
dry_run=dry_run
)
source_groups = []
for rule in self.rules:
for grant in rule.grants:
grant_nom = grant.name or grant.group_id
if grant_nom:
if grant_nom not in source_groups:
source_groups.append(grant_nom)
sg.authorize(None, None, None, None, grant,
dry_run=dry_run)
else:
sg.authorize(rule.ip_protocol, rule.from_port, rule.to_port,
grant.cidr_ip, dry_run=dry_run)
return sg
def instances(self, dry_run=False):
"""
Find all of the current instances that are running within this
security group.
:rtype: list of :class:`boto.ec2.instance.Instance`
:return: A list of Instance objects
"""
rs = []
if self.vpc_id:
rs.extend(self.connection.get_all_reservations(
filters={'instance.group-id': self.id},
dry_run=dry_run
))
else:
rs.extend(self.connection.get_all_reservations(
filters={'group-id': self.id},
dry_run=dry_run
))
instances = [i for r in rs for i in r.instances]
return instances
class IPPermissionsList(list):
def startElement(self, name, attrs, connection):
if name == 'item':
self.append(IPPermissions(self))
return self[-1]
return None
def endElement(self, name, value, connection):
pass
class IPPermissions(object):
def __init__(self, parent=None):
self.parent = parent
self.ip_protocol = None
self.from_port = None
self.to_port = None
self.grants = []
def __repr__(self):
return 'IPPermissions:%s(%s-%s)' % (self.ip_protocol,
self.from_port, self.to_port)
def startElement(self, name, attrs, connection):
if name == 'item':
self.grants.append(GroupOrCIDR(self))
return self.grants[-1]
return None
def endElement(self, name, value, connection):
if name == 'ipProtocol':
self.ip_protocol = value
elif name == 'fromPort':
self.from_port = value
elif name == 'toPort':
self.to_port = value
else:
setattr(self, name, value)
def add_grant(self, name=None, owner_id=None, cidr_ip=None, group_id=None,
dry_run=False):
grant = GroupOrCIDR(self)
grant.owner_id = owner_id
grant.group_id = group_id
grant.name = name
grant.cidr_ip = cidr_ip
self.grants.append(grant)
return grant
class GroupOrCIDR(object):
def __init__(self, parent=None):
self.owner_id = None
self.group_id = None
self.name = None
self.cidr_ip = None
def __repr__(self):
if self.cidr_ip:
return '%s' % self.cidr_ip
else:
return '%s-%s' % (self.name or self.group_id, self.owner_id)
def startElement(self, name, attrs, connection):
return None
def endElement(self, name, value, connection):
if name == 'userId':
self.owner_id = value
elif name == 'groupId':
self.group_id = value
elif name == 'groupName':
self.name = value
if name == 'cidrIp':
self.cidr_ip = value
else:
setattr(self, name, value)
|