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# Unix SMB/CIFS implementation.
#
# authentication silos - silo member management
#
# Copyright (C) Catalyst.Net Ltd. 2023
#
# Written by Rob van der Linde <rob@catalyst.net.nz>
#
# 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/>.
#
import samba.getopt as options
from samba.domain.models import AuthenticationSilo, User
from samba.domain.models.exceptions import ModelError
from samba.netcmd import Command, CommandError, Option, SuperCommand
class cmd_domain_auth_silo_member_grant(Command):
"""Grant a member access to an authentication silo."""
synopsis = "%prog -H <URL> [options]"
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"credopts": options.CredentialsOptions,
"hostopts": options.HostOptions,
}
takes_options = [
Option("--name",
help="Name of authentication silo (required).",
dest="name", action="store", type=str, required=True),
Option("--member",
help="Member to grant access to the silo (DN or account name).",
dest="member", action="store", type=str, required=True),
]
def run(self, hostopts=None, sambaopts=None, credopts=None,
name=None, member=None):
ldb = self.ldb_connect(hostopts, sambaopts, credopts)
try:
silo = AuthenticationSilo.get(ldb, cn=name)
except ModelError as e:
raise CommandError(e)
# Check if authentication silo exists first.
if silo is None:
raise CommandError(f"Authentication silo {name} not found.")
try:
user = User.find(ldb, member)
except ModelError as e:
raise CommandError(e)
# Ensure the user actually exists first.
if user is None:
raise CommandError(f"User {member} not found.")
# Grant access to member.
try:
silo.grant(ldb, user)
except ModelError as e:
raise CommandError(e)
# Display silo assigned status.
if user.assigned_silo and user.assigned_silo == silo.dn:
status = "assigned"
else:
status = "unassigned"
print(f"User {user} granted access to the authentication silo {name} ({status}).",
file=self.outf)
class cmd_domain_auth_silo_member_list(Command):
"""List all members in the authentication silo."""
synopsis = "%prog -H <URL> [options]"
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"credopts": options.CredentialsOptions,
"hostopts": options.HostOptions,
}
takes_options = [
Option("--name",
help="Name of authentication silo (required).",
dest="name", action="store", type=str, required=True),
Option("--json", help="Output results in JSON format.",
dest="output_format", action="store_const", const="json"),
]
def run(self, hostopts=None, sambaopts=None, credopts=None,
name=None, output_format=None):
ldb = self.ldb_connect(hostopts, sambaopts, credopts)
try:
silo = AuthenticationSilo.get(ldb, cn=name)
except ModelError as e:
raise CommandError(e)
# Check if authentication silo exists first.
if silo is None:
raise CommandError(f"Authentication silo {name} not found.")
# Fetch all members.
try:
members = [User.get(ldb, dn=dn) for dn in silo.members]
except ModelError as e:
raise CommandError(e)
# Using json output format gives more detail.
if output_format == "json":
self.print_json([member.as_dict() for member in members])
else:
for member in members:
print(member.dn, file=self.outf)
class cmd_domain_auth_silo_member_revoke(Command):
"""Revoke a member from an authentication silo."""
synopsis = "%prog -H <URL> [options]"
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"credopts": options.CredentialsOptions,
"hostopts": options.HostOptions,
}
takes_options = [
Option("--name",
help="Name of authentication silo (required).",
dest="name", action="store", type=str, required=True),
Option("--member",
help="Member to revoke from the silo (DN or account name).",
dest="member", action="store", type=str, required=True),
]
def run(self, hostopts=None, sambaopts=None, credopts=None,
name=None, member=None):
ldb = self.ldb_connect(hostopts, sambaopts, credopts)
try:
silo = AuthenticationSilo.get(ldb, cn=name)
except ModelError as e:
raise CommandError(e)
# Check if authentication silo exists first.
if silo is None:
raise CommandError(f"Authentication silo {name} not found.")
try:
user = User.find(ldb, member)
except ModelError as e:
raise CommandError(e)
# Ensure the user actually exists first.
if user is None:
raise CommandError(f"User {member} not found.")
# Revoke member access.
try:
silo.revoke(ldb, user)
except ModelError as e:
raise CommandError(e)
# Display silo assigned status.
if user.assigned_silo and user.assigned_silo == silo.dn:
status = "assigned"
else:
status = "unassigned"
print(f"User {user} revoked from the authentication silo {name} ({status}).",
file=self.outf)
class cmd_domain_auth_silo_member(SuperCommand):
"""Manage members in an authentication silo."""
subcommands = {
"grant": cmd_domain_auth_silo_member_grant(),
"list": cmd_domain_auth_silo_member_list(),
"revoke": cmd_domain_auth_silo_member_revoke(),
}
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