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freeipa/ipalib/errors.py
John Dennis ee780df13c Implement password based session login 
* Adjust URL's
  - rename /ipa/login -> /ipa/session/login_kerberos
  - add /ipa/session/login_password

* Adjust Kerberos protection on URL's in ipa.conf

* Bump VERSION in httpd ipa.conf to pick up session changes.

* Adjust login URL in ipa.js

* Add InvalidSessionPassword to errors.py

* Rename krblogin class to login_kerberos for consistency with
  new login_password class

* Implement login_password.kinit() method which invokes
  /usr/bin/kinit as a subprocess

* Add login_password class for WSGI dispatch, accepts POST
  application/x-www-form-urlencoded user & password
  parameters. We form the Kerberos principal from the server's
  realm.

* Add function  krb5_unparse_ccache()

* Refactor code to share common code

* Clean up use of ccache names, be consistent

* Replace read_krbccache_file(), store_krbccache_file(), delete_krbccache_file()
  with load_ccache_data(), bind_ipa_ccache(), release_ipa_ccache().
  bind_ipa_ccache() now sets environment KRB5CCNAME variable.
  release_ipa_ccache() now clears environment KRB5CCNAME variable.

* ccache names should now support any ccache storage scheme,
  not just FILE based ccaches

* Add utilies to return HTTP status from wsgi handlers,
  use constants for HTTP status code for consistency.
  Use utilies for returning from wsgi handlers rather than
  duplicated code.

* Add KerberosSession.finalize_kerberos_acquisition() method
  so different login handlers can share common code.

* add Requires: krb5-workstation to server (server now calls kinit)

* Fix test_rpcserver.py to use new dispatch inside route() method

https://fedorahosted.org/freeipa/ticket/2095
2012-02-27 05:57:43 -05:00

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# Authors:
# Jason Gerard DeRose <jderose@redhat.com>
#
# Copyright (C) 2008 Red Hat
# see file 'COPYING' for use and warranty inmsgion
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Custom exception classes (some which are RPC transparent).
`PrivateError` and its subclasses are custom IPA excetions that will *never* be
forwarded in a Remote Procedure Call (RPC) response.
On the other hand, `PublicError` and its subclasses can be forwarded in an RPC
response. These public errors each carry a unique integer error code as well as
a gettext translated error message (translated at the time the exception is
raised). The purpose of the public errors is to relay information about
*expected* user errors, service availability errors, and so on. They should
*never* be used for *unexpected* programmatic or run-time errors.
For security reasons it is *extremely* important that arbitrary exceptions *not*
be forwarded in an RPC response. Unexpected exceptions can easily contain
compromising information in their error messages. Any time the server catches
any exception that isn't a `PublicError` subclass, it should raise an
`InternalError`, which itself always has the same, static error message (and
therefore cannot be populated with information about the true exception).
The public errors are arranging into five main blocks of error code ranges:
============= ========================================
Error codes Exceptions
============= ========================================
1000 - 1999 `AuthenticationError` and its subclasses
2000 - 2999 `AuthorizationError` and its subclasses
3000 - 3999 `InvocationError` and its subclasses
4000 - 4999 `ExecutionError` and its subclasses
5000 - 5999 `GenericError` and its subclasses
============= ========================================
Within these five blocks some sub-ranges are already allocated for certain types
of error messages, while others are reserved for future use. Here are the
current block assignments:
- **900-5999** `PublicError` and its subclasses
- **901 - 907** Assigned to special top-level public errors
- **908 - 999** *Reserved for future use*
- **1000 - 1999** `AuthenticationError` and its subclasses
- **1001 - 1099** Open for general authentication errors
- **1100 - 1199** `KerberosError` and its subclasses
- **1200 - 1299** `SessionError` and its subclasses
- **1300 - 1999** *Reserved for future use*
- **2000 - 2999** `AuthorizationError` and its subclasses
- **2001 - 2099** Open for general authorization errors
- **2100 - 2199** `ACIError` and its subclasses
- **2200 - 2999** *Reserved for future use*
- **3000 - 3999** `InvocationError` and its subclasses
- **3001 - 3099** Open for general invocation errors
- **3100 - 3199** *Reserved for future use*
- **4000 - 4999** `ExecutionError` and its subclasses
- **4001 - 4099** Open for general execution errors
- **4100 - 4199** `BuiltinError` and its subclasses
- **4200 - 4299** `LDAPError` and its subclasses
- **4300 - 4399** `CertificateError` and its subclasses
- **4400 - 4999** *Reserved for future use*
- **5000 - 5999** `GenericError` and its subclasses
- **5001 - 5099** Open for generic errors
- **5100 - 5999** *Reserved for future use*
"""
from inspect import isclass
from text import _ as ugettext, ngettext as ungettext
from text import Gettext, NGettext
from constants import TYPE_ERROR
class PrivateError(StandardError):
"""
Base class for exceptions that are *never* forwarded in an RPC response.
"""
format = ''
def __init__(self, **kw):
self.msg = self.format % kw
self.kw = kw
for (key, value) in kw.iteritems():
assert not hasattr(self, key), 'conflicting kwarg %s.%s = %r' % (
self.__class__.__name__, key, value,
)
setattr(self, key, value)
StandardError.__init__(self, self.msg)
class SubprocessError(PrivateError):
"""
Raised when ``subprocess.call()`` returns a non-zero exit status.
This custom exception is needed because Python 2.4 doesn't have the
``subprocess.CalledProcessError`` exception (which was added in Python 2.5).
For example:
>>> raise SubprocessError(returncode=2, argv=('ls', '-lh', '/no-foo/'))
Traceback (most recent call last):
...
SubprocessError: return code 2 from ('ls', '-lh', '/no-foo/')
The exit code of the sub-process is available via the ``returncode``
instance attribute. For example:
>>> e = SubprocessError(returncode=1, argv=('/bin/false',))
>>> e.returncode
1
>>> e.argv # argv is also available
('/bin/false',)
"""
format = 'return code %(returncode)d from %(argv)r'
class PluginSubclassError(PrivateError):
"""
Raised when a plugin doesn't subclass from an allowed base.
For example:
>>> raise PluginSubclassError(plugin='bad', bases=('base1', 'base2'))
Traceback (most recent call last):
...
PluginSubclassError: 'bad' not subclass of any base in ('base1', 'base2')
"""
format = '%(plugin)r not subclass of any base in %(bases)r'
class PluginDuplicateError(PrivateError):
"""
Raised when the same plugin class is registered more than once.
For example:
>>> raise PluginDuplicateError(plugin='my_plugin')
Traceback (most recent call last):
...
PluginDuplicateError: 'my_plugin' was already registered
"""
format = '%(plugin)r was already registered'
class PluginOverrideError(PrivateError):
"""
Raised when a plugin overrides another without using ``override=True``.
For example:
>>> raise PluginOverrideError(base='Command', name='env', plugin='my_env')
Traceback (most recent call last):
...
PluginOverrideError: unexpected override of Command.env with 'my_env'
"""
format = 'unexpected override of %(base)s.%(name)s with %(plugin)r'
class PluginMissingOverrideError(PrivateError):
"""
Raised when a plugin overrides another that has not been registered.
For example:
>>> raise PluginMissingOverrideError(base='Command', name='env', plugin='my_env')
Traceback (most recent call last):
...
PluginMissingOverrideError: Command.env not registered, cannot override with 'my_env'
"""
format = '%(base)s.%(name)s not registered, cannot override with %(plugin)r'
class SkipPluginModule(PrivateError):
"""
Raised to abort the loading of a plugin module.
"""
format = '%(reason)s'
class PluginsPackageError(PrivateError):
"""
Raised when ``package.plugins`` is a module instead of a sub-package.
"""
format = '%(name)s must be sub-package, not module: %(file)r'
##############################################################################
# Public errors:
__messages = []
def _(message):
__messages.append(message)
return message
class PublicError(StandardError):
"""
**900** Base class for exceptions that can be forwarded in an RPC response.
"""
errno = 900
rval = 1
format = None
def __init__(self, format=None, message=None, **kw):
self.kw = kw
name = self.__class__.__name__
if self.format is not None and format is not None:
raise ValueError(
'non-generic %r needs format=None; got format=%r' % (
name, format)
)
if message is None:
if self.format is None:
if format is None:
raise ValueError(
'%s.format is None yet format=None, message=None' % name
)
self.format = format
self.forwarded = False
self.msg = self.format % kw
if isinstance(self.format, basestring):
self.strerror = ugettext(self.format) % kw
else:
self.strerror = self.format % kw
else:
if isinstance(message, (Gettext, NGettext)):
message = unicode(message)
elif type(message) is not unicode:
raise TypeError(
TYPE_ERROR % ('message', unicode, message, type(message))
)
self.forwarded = True
self.msg = message
self.strerror = message
for (key, value) in kw.iteritems():
assert not hasattr(self, key), 'conflicting kwarg %s.%s = %r' % (
name, key, value,
)
setattr(self, key, value)
StandardError.__init__(self, self.msg)
class VersionError(PublicError):
"""
**901** Raised when client and server versions are incompatible.
For example:
>>> raise VersionError(cver='2.0', sver='2.1', server='https://localhost')
Traceback (most recent call last):
...
VersionError: 2.0 client incompatible with 2.1 server at 'https://localhost'
"""
errno = 901
format = _('%(cver)s client incompatible with %(sver)s server at %(server)r')
class UnknownError(PublicError):
"""
**902** Raised when client does not know error it caught from server.
For example:
>>> raise UnknownError(code=57, server='localhost', error=u'a new error')
...
Traceback (most recent call last):
...
UnknownError: unknown error 57 from localhost: a new error
"""
errno = 902
format = _('unknown error %(code)d from %(server)s: %(error)s')
class InternalError(PublicError):
"""
**903** Raised to conceal a non-public exception.
For example:
>>> raise InternalError()
Traceback (most recent call last):
...
InternalError: an internal error has occurred
"""
errno = 903
format = _('an internal error has occurred')
def __init__(self, message=None):
"""
Security issue: ignore any information given to constructor.
"""
PublicError.__init__(self)
class ServerInternalError(PublicError):
"""
**904** Raised when client catches an `InternalError` from server.
For example:
>>> raise ServerInternalError(server='https://localhost')
Traceback (most recent call last):
...
ServerInternalError: an internal error has occurred on server at 'https://localhost'
"""
errno = 904
format = _('an internal error has occurred on server at %(server)r')
class CommandError(PublicError):
"""
**905** Raised when an unknown command is called.
For example:
>>> raise CommandError(name='foobar')
Traceback (most recent call last):
...
CommandError: unknown command 'foobar'
"""
errno = 905
format = _('unknown command %(name)r')
class ServerCommandError(PublicError):
"""
**906** Raised when client catches a `CommandError` from server.
For example:
>>> e = CommandError(name='foobar')
>>> raise ServerCommandError(error=e.message, server='https://localhost')
Traceback (most recent call last):
...
ServerCommandError: error on server 'https://localhost': unknown command 'foobar'
"""
errno = 906
format = _('error on server %(server)r: %(error)s')
class NetworkError(PublicError):
"""
**907** Raised when a network connection cannot be created.
For example:
>>> raise NetworkError(uri='ldap://localhost:389', error=u'Connection refused')
Traceback (most recent call last):
...
NetworkError: cannot connect to 'ldap://localhost:389': Connection refused
"""
errno = 907
format = _('cannot connect to %(uri)r: %(error)s')
class ServerNetworkError(PublicError):
"""
**908** Raised when client catches a `NetworkError` from server.
"""
errno = 908
format = _('error on server %(server)r: %(error)s')
class JSONError(PublicError):
"""
**909** Raised when server recieved a malformed JSON-RPC request.
"""
errno = 909
format = _('Invalid JSON-RPC request: %(error)s')
class XMLRPCMarshallError(PublicError):
"""
**910** Raised when the XML-RPC lib cannot marshall the request
For example:
>>> raise XMLRPCMarshallError(error='int exceeds XML-RPC limits')
Traceback (most recent call last):
...
XMLRPCMarshallError: error marshalling data for XML-RPC transport: int exceeds XML-RPC limits
"""
errno = 910
format = _('error marshalling data for XML-RPC transport: %(error)s')
class RefererError(PublicError):
"""
**911** Raised when the the request does not contain an HTTP referer
For example:
>>> raise RefererError(referer='referer')
Traceback (most recent call last):
...
RefererError: Missing or invalid HTTP Referer, referer
"""
errno = 911
format = _('Missing or invalid HTTP Referer, %(referer)s')
##############################################################################
# 1000 - 1999: Authentication errors
class AuthenticationError(PublicError):
"""
**1000** Base class for authentication errors (*1000 - 1999*).
"""
errno = 1000
class KerberosError(AuthenticationError):
"""
**1100** Base class for Kerberos authentication errors (*1100 - 1199*).
For example:
>>> raise KerberosError(major='Unspecified GSS failure. Minor code may provide more information', minor='No credentials cache found')
Traceback (most recent call last):
...
KerberosError: Kerberos error: Unspecified GSS failure. Minor code may provide more information/No credentials cache found
"""
errno = 1100
format= _('Kerberos error: %(major)s/%(minor)s')
class CCacheError(KerberosError):
"""
**1101** Raised when sever does not recieve Kerberose credentials.
For example:
>>> raise CCacheError()
Traceback (most recent call last):
...
CCacheError: did not receive Kerberos credentials
"""
errno = 1101
format = _('did not receive Kerberos credentials')
class ServiceError(KerberosError):
"""
**1102** Raised when service is not found in Kerberos DB.
For example:
>>> raise ServiceError(service='HTTP@localhost')
Traceback (most recent call last):
...
ServiceError: Service 'HTTP@localhost' not found in Kerberos database
"""
errno = 1102
format = _('Service %(service)r not found in Kerberos database')
class NoCCacheError(KerberosError):
"""
**1103** Raised when a client attempts to use Kerberos without a ccache.
For example:
>>> raise NoCCacheError()
Traceback (most recent call last):
...
NoCCacheError: No credentials cache found
"""
errno = 1103
format = _('No credentials cache found')
class TicketExpired(KerberosError):
"""
**1104** Raised when a client attempts to use an expired ticket
For example:
>>> raise TicketExpired()
Traceback (most recent call last):
...
TicketExpired: Ticket expired
"""
errno = 1104
format = _('Ticket expired')
class BadCCachePerms(KerberosError):
"""
**1105** Raised when a client has bad permissions on their ccache
For example:
>>> raise BadCCachePerms()
Traceback (most recent call last):
...
BadCCachePerms: Credentials cache permissions incorrect
"""
errno = 1105
format = _('Credentials cache permissions incorrect')
class BadCCacheFormat(KerberosError):
"""
**1106** Raised when a client has a misformated ccache
For example:
>>> raise BadCCacheFormat()
Traceback (most recent call last):
...
BadCCacheFormat: Bad format in credentials cache
"""
errno = 1106
format = _('Bad format in credentials cache')
class CannotResolveKDC(KerberosError):
"""
**1107** Raised when the KDC can't be resolved
For example:
>>> raise CannotResolveKDC()
Traceback (most recent call last):
...
CannotResolveKDC: Cannot resolve KDC for requested realm
"""
errno = 1107
format = _('Cannot resolve KDC for requested realm')
class SessionError(AuthenticationError):
"""
**1200** Base class for Session errors (*1200 - 1299*).
For example:
"""
errno = 1200
format= _('Session error')
class InvalidSessionPassword(SessionError):
"""
**1201** Raised when we cannot obtain a TGT for a principal.
"""
errno = 1201
format= _('Principal %(principal)s cannot be authenticated: %(message)s')
##############################################################################
# 2000 - 2999: Authorization errors
class AuthorizationError(PublicError):
"""
**2000** Base class for authorization errors (*2000 - 2999*).
"""
errno = 2000
class ACIError(AuthorizationError):
"""
**2100** Base class for ACI authorization errors (*2100 - 2199*).
"""
errno = 2100
format = _('Insufficient access: %(info)s')
##############################################################################
# 3000 - 3999: Invocation errors
class InvocationError(PublicError):
"""
**3000** Base class for command invocation errors (*3000 - 3999*).
"""
errno = 3000
class EncodingError(InvocationError):
"""
**3001** Raised when received text is incorrectly encoded.
"""
errno = 3001
class BinaryEncodingError(InvocationError):
"""
**3002** Raised when received binary data is incorrectly encoded.
"""
errno = 3002
class ZeroArgumentError(InvocationError):
"""
**3003** Raised when a command is called with arguments but takes none.
For example:
>>> raise ZeroArgumentError(name='ping')
Traceback (most recent call last):
...
ZeroArgumentError: command 'ping' takes no arguments
"""
errno = 3003
format = _('command %(name)r takes no arguments')
class MaxArgumentError(InvocationError):
"""
**3004** Raised when a command is called with too many arguments.
For example:
>>> raise MaxArgumentError(name='user_add', count=2)
Traceback (most recent call last):
...
MaxArgumentError: command 'user_add' takes at most 2 arguments
"""
errno = 3004
def __init__(self, message=None, **kw):
if message is None:
format = ungettext(
'command %(name)r takes at most %(count)d argument',
'command %(name)r takes at most %(count)d arguments',
kw['count']
)
else:
format = None
InvocationError.__init__(self, format, message, **kw)
class OptionError(InvocationError):
"""
**3005** Raised when a command is called with unknown options.
"""
errno = 3005
class OverlapError(InvocationError):
"""
**3006** Raised when arguments and options overlap.
For example:
>>> raise OverlapError(names=['givenname', 'login'])
Traceback (most recent call last):
...
OverlapError: overlapping arguments and options: ['givenname', 'login']
"""
errno = 3006
format = _('overlapping arguments and options: %(names)r')
class RequirementError(InvocationError):
"""
**3007** Raised when a required parameter is not provided.
For example:
>>> raise RequirementError(name='givenname')
Traceback (most recent call last):
...
RequirementError: 'givenname' is required
"""
errno = 3007
format = _('%(name)r is required')
class ConversionError(InvocationError):
"""
**3008** Raised when parameter value can't be converted to correct type.
For example:
>>> raise ConversionError(name='age', error=u'must be an integer')
Traceback (most recent call last):
...
ConversionError: invalid 'age': must be an integer
"""
errno = 3008
format = _('invalid %(name)r: %(error)s')
class ValidationError(InvocationError):
"""
**3009** Raised when a parameter value fails a validation rule.
For example:
>>> raise ValidationError(name='sn', error=u'can be at most 128 characters')
Traceback (most recent call last):
...
ValidationError: invalid 'sn': can be at most 128 characters
"""
errno = 3009
format = _('invalid %(name)r: %(error)s')
class NoSuchNamespaceError(InvocationError):
"""
**3010** Raised when an unknown namespace is requested.
For example:
>>> raise NoSuchNamespaceError(name='Plugins')
Traceback (most recent call last):
...
NoSuchNamespaceError: api has no such namespace: 'Plugins'
"""
errno = 3010
format = _('api has no such namespace: %(name)r')
class PasswordMismatch(InvocationError):
"""
**3011** Raise when password and password confirmation don't match.
"""
errno = 3011
format = _('Passwords do not match')
class NotImplementedError(InvocationError):
"""
**3012** Raise when a function hasn't been implemented.
"""
errno = 3012
format = _('Command not implemented')
class NotConfiguredError(InvocationError):
"""
**3013** Raise when there is no configuration
"""
errno = 3013
format = _('Client is not configured. Run ipa-client-install.')
class PromptFailed(InvocationError):
"""
**3014** Raise when an interactive prompt failed.
"""
errno = 3014
format = _('Could not get %(name)s interactively')
##############################################################################
# 4000 - 4999: Execution errors
class ExecutionError(PublicError):
"""
**4000** Base class for execution errors (*4000 - 4999*).
"""
errno = 4000
class NotFound(ExecutionError):
"""
**4001** Raised when an entry is not found.
For example:
>>> raise NotFound(reason='no such user')
Traceback (most recent call last):
...
NotFound: no such user
"""
errno = 4001
rval = 2
format = _('%(reason)s')
class DuplicateEntry(ExecutionError):
"""
**4002** Raised when an entry already exists.
For example:
>>> raise DuplicateEntry
Traceback (most recent call last):
...
DuplicateEntry: This entry already exists
"""
errno = 4002
format = _('This entry already exists')
class HostService(ExecutionError):
"""
**4003** Raised when a host service principal is requested
For example:
>>> raise HostService
Traceback (most recent call last):
...
HostService: You must enroll a host in order to create a host service
"""
errno = 4003
format = _('You must enroll a host in order to create a host service')
class MalformedServicePrincipal(ExecutionError):
"""
**4004** Raised when a service principal is not of the form: service/fully-qualified host name
For example:
>>> raise MalformedServicePrincipal(reason='missing service')
Traceback (most recent call last):
...
MalformedServicePrincipal: Service principal is not of the form: service/fully-qualified host name: missing service
"""
errno = 4004
format = _('Service principal is not of the form: service/fully-qualified host name: %(reason)s')
class RealmMismatch(ExecutionError):
"""
**4005** Raised when the requested realm does not match the IPA realm
For example:
>>> raise RealmMismatch
Traceback (most recent call last):
...
RealmMismatch: The realm for the principal does not match the realm for this IPA server
"""
errno = 4005
format = _('The realm for the principal does not match the realm for this IPA server')
class RequiresRoot(ExecutionError):
"""
**4006** Raised when a command requires the unix super-user to run
For example:
>>> raise RequiresRoot
Traceback (most recent call last):
...
RequiresRoot: This command requires root access
"""
errno = 4006
format = _('This command requires root access')
class AlreadyPosixGroup(ExecutionError):
"""
**4007** Raised when a group is already a posix group
For example:
>>> raise AlreadyPosixGroup
Traceback (most recent call last):
...
AlreadyPosixGroup: This is already a posix group
"""
errno = 4007
format = _('This is already a posix group')
class MalformedUserPrincipal(ExecutionError):
"""
**4008** Raised when a user principal is not of the form: user@REALM
For example:
>>> raise MalformedUserPrincipal(principal='jsmith@@EXAMPLE.COM')
Traceback (most recent call last):
...
MalformedUserPrincipal: Principal is not of the form user@REALM: 'jsmith@@EXAMPLE.COM'
"""
errno = 4008
format = _('Principal is not of the form user@REALM: %(principal)r')
class AlreadyActive(ExecutionError):
"""
**4009** Raised when an entry is made active that is already active
For example:
>>> raise AlreadyActive()
Traceback (most recent call last):
...
AlreadyActive: This entry is already enabled
"""
errno = 4009
format = _('This entry is already enabled')
class AlreadyInactive(ExecutionError):
"""
**4010** Raised when an entry is made inactive that is already inactive
For example:
>>> raise AlreadyInactive()
Traceback (most recent call last):
...
AlreadyInactive: This entry is already disabled
"""
errno = 4010
format = _('This entry is already disabled')
class HasNSAccountLock(ExecutionError):
"""
**4011** Raised when an entry has the nsAccountLock attribute set
For example:
>>> raise HasNSAccountLock()
Traceback (most recent call last):
...
HasNSAccountLock: This entry cannot be enabled or disabled
"""
errno = 4011
format = _('This entry cannot be enabled or disabled')
class NotGroupMember(ExecutionError):
"""
**4012** Raised when a non-member is attempted to be removed from a group
For example:
>>> raise NotGroupMember()
Traceback (most recent call last):
...
NotGroupMember: This entry is not a member
"""
errno = 4012
format = _('This entry is not a member')
class RecursiveGroup(ExecutionError):
"""
**4013** Raised when a group is added as a member of itself
For example:
>>> raise RecursiveGroup()
Traceback (most recent call last):
...
RecursiveGroup: A group may not be a member of itself
"""
errno = 4013
format = _('A group may not be a member of itself')
class AlreadyGroupMember(ExecutionError):
"""
**4014** Raised when a member is attempted to be re-added to a group
For example:
>>> raise AlreadyGroupMember()
Traceback (most recent call last):
...
AlreadyGroupMember: This entry is already a member
"""
errno = 4014
format = _('This entry is already a member')
class Base64DecodeError(ExecutionError):
"""
**4015** Raised when a base64-encoded blob cannot decoded
For example:
>>> raise Base64DecodeError(reason='Incorrect padding')
Traceback (most recent call last):
...
Base64DecodeError: Base64 decoding failed: Incorrect padding
"""
errno = 4015
format = _('Base64 decoding failed: %(reason)s')
class RemoteRetrieveError(ExecutionError):
"""
**4016** Raised when retrieving data from a remote server fails
For example:
>>> raise RemoteRetrieveError(reason="Error: Failed to get certificate chain.")
Traceback (most recent call last):
...
RemoteRetrieveError: Error: Failed to get certificate chain.
"""
errno = 4016
format = _('%(reason)s')
class SameGroupError(ExecutionError):
"""
**4017** Raised when adding a group as a member of itself
For example:
>>> raise SameGroupError()
Traceback (most recent call last):
...
SameGroupError: A group may not be added as a member of itself
"""
errno = 4017
format = _('A group may not be added as a member of itself')
class DefaultGroupError(ExecutionError):
"""
**4018** Raised when removing the default user group
For example:
>>> raise DefaultGroupError()
Traceback (most recent call last):
...
DefaultGroupError: The default users group cannot be removed
"""
errno = 4018
format = _('The default users group cannot be removed')
class DNSNotARecordError(ExecutionError):
"""
**4019** Raised when a hostname is not a DNS A record
For example:
>>> raise DNSNotARecordError()
Traceback (most recent call last):
...
DNSNotARecordError: Host does not have corresponding DNS A record
"""
errno = 4019
format = _('Host does not have corresponding DNS A record')
class ManagedGroupError(ExecutionError):
"""
**4020** Raised when a managed group is deleted
For example:
>>> raise ManagedGroupError()
Traceback (most recent call last):
...
ManagedGroupError: Deleting a managed group is not allowed. It must be detached first.
"""
errno = 4020
format = _('Deleting a managed group is not allowed. It must be detached first.')
class ManagedPolicyError(ExecutionError):
"""
**4021** Raised when password policy is assigned to a managed group
For example:
>>> raise ManagedPolicyError()
Traceback (most recent call last):
...
ManagedPolicyError: A managed group cannot have a password policy.
"""
errno = 4021
format = _('A managed group cannot have a password policy.')
class FileError(ExecutionError):
"""
**4022** Errors when dealing with files
For example:
>>> raise FileError(reason="cannot write file \'test\'")
Traceback (most recent call last):
...
FileError: cannot write file 'test'
"""
errno = 4022
format = _('%(reason)s')
class NoCertificateError(ExecutionError):
"""
**4023** Raised when trying to retrieve a certificate that doesn't exist.
For example:
>>> raise NoCertificateError(entry='ipa.example.com')
Traceback (most recent call last):
...
NoCertificateError: 'ipa.example.com' doesn't have a certificate.
"""
errno = 4023
format = _('\'%(entry)s\' doesn\'t have a certificate.')
class ManagedGroupExistsError(ExecutionError):
"""
**4024** Raised when adding a user and its managed group exists
For example:
>>> raise ManagedGroupExistsError(group=u'engineering')
Traceback (most recent call last):
...
ManagedGroupExistsError: Unable to create private group. A group 'engineering' already exists.
"""
errno = 4024
format = _('Unable to create private group. A group \'%(group)s\' already exists.')
class ReverseMemberError(ExecutionError):
"""
**4025** Raised when verifying that all reverse members have been added or removed.
For example:
>>> raise ReverseMemberError(verb='added', exc="Group 'foo' not found.")
Traceback (most recent call last):
...
ReverseMemberError: A problem was encountered when verifying that all members were added: Group 'foo' not found.
"""
errno = 4025
format = _('A problem was encountered when verifying that all members were %(verb)s: %(exc)s')
class AttrValueNotFound(ExecutionError):
"""
**4026** Raised when an Attribute/Value pair is not found.
For example:
>>> raise AttrValueNotFound(attr='ipasudoopt', value='authenticate')
Traceback (most recent call last):
...
AttrValueNotFound: ipasudoopt does not contain 'authenticate'
"""
errno = 4026
rval = 1
format = _('%(attr)s does not contain \'%(value)s\'')
class SingleMatchExpected(ExecutionError):
"""
**4027** Raised when a search should return a single match
For example:
>>> raise SingleMatchExpected(found=9)
Traceback (most recent call last):
...
SingleMatchExpected: The search criteria was not specific enough. Expected 1 and found 9.
"""
errno = 4027
rval = 1
format = _('The search criteria was not specific enough. Expected 1 and found %(found)d.')
class BuiltinError(ExecutionError):
"""
**4100** Base class for builtin execution errors (*4100 - 4199*).
"""
errno = 4100
class HelpError(BuiltinError):
"""
**4101** Raised when requesting help for an unknown topic.
For example:
>>> raise HelpError(topic='newfeature')
Traceback (most recent call last):
...
HelpError: no command nor help topic 'newfeature'
"""
errno = 4101
format = _('no command nor help topic %(topic)r')
class LDAPError(ExecutionError):
"""
**4200** Base class for LDAP execution errors (*4200 - 4299*).
"""
errno = 4200
class MidairCollision(ExecutionError):
"""
**4201** Raised when a change collides with another change
For example:
>>> raise MidairCollision()
Traceback (most recent call last):
...
MidairCollision: change collided with another change
"""
errno = 4201
format = _('change collided with another change')
class EmptyModlist(ExecutionError):
"""
**4202** Raised when an LDAP update makes no changes
For example:
>>> raise EmptyModlist()
Traceback (most recent call last):
...
EmptyModlist: no modifications to be performed
"""
errno = 4202
format = _('no modifications to be performed')
class DatabaseError(ExecutionError):
"""
**4203** Raised when an LDAP error is not otherwise handled
For example:
>>> raise DatabaseError(desc="Can't contact LDAP server", info='Info goes here')
Traceback (most recent call last):
...
DatabaseError: Can't contact LDAP server: Info goes here
"""
errno = 4203
format = _('%(desc)s: %(info)s')
class LimitsExceeded(ExecutionError):
"""
**4204** Raised when search limits are exceeded.
For example:
>>> raise LimitsExceeded()
Traceback (most recent call last):
...
LimitsExceeded: limits exceeded for this query
"""
errno = 4204
format = _('limits exceeded for this query')
class ObjectclassViolation(ExecutionError):
"""
**4205** Raised when an entry is missing a required attribute or objectclass
For example:
>>> raise ObjectclassViolation(info='attribute "krbPrincipalName" not allowed')
Traceback (most recent call last):
...
ObjectclassViolation: attribute "krbPrincipalName" not allowed
"""
errno = 4205
format = _('%(info)s')
class NotAllowedOnRDN(ExecutionError):
"""
**4206** Raised when an RDN value is modified.
For example:
>>> raise NotAllowedOnRDN()
Traceback (most recent call last):
...
NotAllowedOnRDN: modifying primary key is not allowed
"""
errno = 4206
format = _('modifying primary key is not allowed')
class OnlyOneValueAllowed(ExecutionError):
"""
**4207** Raised when trying to set more than one value to single-value attributes
For example:
>> raise OnlyOneValueAllowed(attr='ipasearchtimelimit')
Traceback (most recent call last):
...
OnlyOneValueAllowed: ipasearchtimelimit: Only one value allowed.
"""
errno = 4207
format = _('%(attr)s: Only one value allowed.')
class InvalidSyntax(ExecutionError):
"""
**4208** Raised when an value does not match the required syntax
For example:
>> raise InvalidSyntax(attr='ipahomesrootdir')
Traceback (most recent call last):
...
InvalidSyntax: ipahomesrootdir: Invalid syntax
"""
errno = 4208
format = _('%(attr)s: Invalid syntax.')
class BadSearchFilter(ExecutionError):
"""
**4209** Raised when an invalid LDAP search filter is used
For example:
>>> raise BadSearchFilter(info='invalid syntax')
Traceback (most recent call last):
...
BadSearchFilter: Bad search filter invalid syntax
"""
errno = 4209
format = _('Bad search filter %(info)s')
class CertificateError(ExecutionError):
"""
**4300** Base class for Certificate execution errors (*4300 - 4399*).
"""
errno = 4300
class CertificateOperationError(CertificateError):
"""
**4301** Raised when a certificate operation cannot be completed
For example:
>>> raise CertificateOperationError(error=u'bad serial number')
Traceback (most recent call last):
...
CertificateOperationError: Certificate operation cannot be completed: bad serial number
"""
errno = 4301
format = _('Certificate operation cannot be completed: %(error)s')
class CertificateFormatError(CertificateError):
"""
**4302** Raised when a certificate is badly formatted
For example:
>>> raise CertificateFormatError(error=u'improperly formated DER-encoded certificate')
Traceback (most recent call last):
...
CertificateFormatError: Certificate format error: improperly formated DER-encoded certificate
"""
errno = 4302
format = _('Certificate format error: %(error)s')
class MutuallyExclusiveError(ExecutionError):
"""
**4303** Raised when an operation would result in setting two attributes which are mutually exlusive.
For example:
>>> raise MutuallyExclusiveError(reason=u'hosts may not be added when hostcategory=all')
Traceback (most recent call last):
...
MutuallyExclusiveError: hosts may not be added when hostcategory=all
"""
errno = 4303
format = _('%(reason)s')
class NonFatalError(ExecutionError):
"""
**4304** Raised when part of an operation succeeds and the part that failed isn't critical.
For example:
>>> raise NonFatalError(reason=u'The host was added but the DNS update failed')
Traceback (most recent call last):
...
NonFatalError: The host was added but the DNS update failed
"""
errno = 4304
format = _('%(reason)s')
class AlreadyRegisteredError(ExecutionError):
"""
**4305** Raised when registering a user that is already registered.
For example:
>>> raise AlreadyRegisteredError()
Traceback (most recent call last):
...
AlreadyRegisteredError: Already registered
"""
errno = 4305
format = _('Already registered')
class NotRegisteredError(ExecutionError):
"""
**4306** Raised when not registered and a registration is required
For example:
>>> raise NotRegisteredError()
Traceback (most recent call last):
...
NotRegisteredError: Not registered yet
"""
errno = 4306
format = _('Not registered yet')
class DependentEntry(ExecutionError):
"""
**4307** Raised when an entry being deleted has dependencies
For example:
>>> raise DependentEntry(label=u'SELinux User Map', key=u'test', dependent=u'test1')
Traceback (most recent call last):
...
DependentEntry: test cannot be deleted because SELinux User Map test1 requires it
"""
errno = 4307
format = _('%(key)s cannot be deleted because %(label)s %(dependent)s requires it')
##############################################################################
# 5000 - 5999: Generic errors
class GenericError(PublicError):
"""
**5000** Base class for errors that don't fit elsewhere (*5000 - 5999*).
"""
errno = 5000
def __errors_iter():
"""
Iterate through all the `PublicError` subclasses.
"""
for (key, value) in globals().items():
if key.startswith('_') or not isclass(value):
continue
if issubclass(value, PublicError):
yield value
public_errors = tuple(
sorted(__errors_iter(), key=lambda E: E.errno)
)
if __name__ == '__main__':
for klass in public_errors:
print '%d\t%s' % (klass.errno, klass.__name__)
print '(%d public errors)' % len(public_errors)
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