/usr/share/pyshared/samba/netcmd/spn.py is in python-samba 4.0.0~alpha18.dfsg1-4ubuntu2.
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 | #!/usr/bin/env python
#
# spn management
#
# Copyright Matthieu Patou mat@samba.org 2010
#
# 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
import ldb
from samba import provision
from samba.samdb import SamDB
from samba.auth import system_session
from samba.netcmd.common import _get_user_realm_domain
from samba.netcmd import (
Command,
CommandError,
SuperCommand,
Option
)
class cmd_spn_list(Command):
"""List spns of a given user."""
synopsis = "%prog <user> [options]"
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"credopts": options.CredentialsOptions,
"versionopts": options.VersionOptions,
}
takes_args = ["user"]
def run(self, user, credopts=None, sambaopts=None, versionopts=None):
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)
paths = provision.provision_paths_from_lp(lp, lp.get("realm"))
sam = SamDB(paths.samdb, session_info=system_session(),
credentials=creds, lp=lp)
# TODO once I understand how, use the domain info to naildown
# to the correct domain
(cleaneduser, realm, domain) = _get_user_realm_domain(user)
self.outf.write(cleaneduser+"\n")
res = sam.search(expression="samaccountname=%s" % ldb.binary_encode(cleaneduser),
scope=ldb.SCOPE_SUBTREE,
attrs=["servicePrincipalName"])
if len(res) >0:
spns = res[0].get("servicePrincipalName")
found = False
flag = ldb.FLAG_MOD_ADD
if spns != None:
self.outf.write(
"User %s has the following servicePrincipalName: \n" %
res[0].dn)
for e in spns:
self.outf.write("\t %s\n" % e)
else:
self.outf.write("User %s has no servicePrincipalName" %
res[0].dn)
else:
raise CommandError("User %s not found" % user)
class cmd_spn_add(Command):
"""Create a new spn."""
synopsis = "%prog <name> <user> [options]"
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"credopts": options.CredentialsOptions,
"versionopts": options.VersionOptions,
}
takes_options = [
Option("--force", help="Force the addition of the spn"\
" even it exists already", action="store_true"),
]
takes_args = ["name", "user"]
def run(self, name, user, force=False, credopts=None, sambaopts=None, versionopts=None):
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)
paths = provision.provision_paths_from_lp(lp, lp.get("realm"))
sam = SamDB(paths.samdb, session_info=system_session(),
credentials=creds, lp=lp)
res = sam.search(expression="servicePrincipalName=%s" % ldb.binary_encode(name),
scope=ldb.SCOPE_SUBTREE,
)
if len(res) != 0 and not force:
raise CommandError("Service principal %s already"
" affected to another user" % name)
(cleaneduser, realm, domain) = _get_user_realm_domain(user)
res = sam.search(expression="samaccountname=%s" % ldb.binary_encode(cleaneduser),
scope=ldb.SCOPE_SUBTREE,
attrs=["servicePrincipalName"])
if len(res) >0:
res[0].dn
msg = ldb.Message()
spns = res[0].get("servicePrincipalName")
tab = []
found = False
flag = ldb.FLAG_MOD_ADD
if spns != None:
for e in spns:
if str(e) == name:
found = True
tab.append(str(e))
flag = ldb.FLAG_MOD_REPLACE
tab.append(name)
msg.dn = res[0].dn
msg["servicePrincipalName"] = ldb.MessageElement(tab, flag,
"servicePrincipalName")
if not found:
sam.modify(msg)
else:
raise CommandError("Service principal %s already"
" affected to %s" % (name, user))
else:
raise CommandError("User %s not found" % user)
class cmd_spn_delete(Command):
"""Delete a spn."""
synopsis = "%prog <name> [user] [options]"
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"credopts": options.CredentialsOptions,
"versionopts": options.VersionOptions,
}
takes_args = ["name", "user?"]
def run(self, name, user=None, credopts=None, sambaopts=None, versionopts=None):
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp)
paths = provision.provision_paths_from_lp(lp, lp.get("realm"))
sam = SamDB(paths.samdb, session_info=system_session(),
credentials=creds, lp=lp)
res = sam.search(expression="servicePrincipalName=%s" % ldb.binary_encode(name),
scope=ldb.SCOPE_SUBTREE,
attrs=["servicePrincipalName", "samAccountName"])
if len(res) >0:
result = None
if user is not None:
(cleaneduser, realm, domain) = _get_user_realm_domain(user)
for elem in res:
if str(elem["samAccountName"]).lower() == cleaneduser:
result = elem
if result is None:
raise CommandError("Unable to find user %s with"
" spn %s" % (user, name))
else:
if len(res) != 1:
listUser = ""
for r in res:
listUser = "%s\n%s" % (listUser, str(r.dn))
raise CommandError("More than one user has the spn %s "\
"and no specific user was specified, list of users"\
" with this spn:%s" % (name, listUser))
else:
result=res[0]
msg = ldb.Message()
spns = result.get("servicePrincipalName")
tab = []
if spns != None:
for e in spns:
if str(e) != name:
tab.append(str(e))
flag = ldb.FLAG_MOD_REPLACE
msg.dn = result.dn
msg["servicePrincipalName"] = ldb.MessageElement(tab, flag,
"servicePrincipalName")
sam.modify(msg)
else:
raise CommandError("Service principal %s not affected" % name)
class cmd_spn(SuperCommand):
"""Service Principal Name (SPN) management"""
subcommands = {}
subcommands["add"] = cmd_spn_add()
subcommands["list"] = cmd_spn_list()
subcommands["delete"] = cmd_spn_delete()
|