/usr/share/pyshared/samba/netcmd/testparm.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 | #!/usr/bin/env python
# vim: expandtab ft=python
#
# Unix SMB/CIFS implementation.
# Test validity of smb.conf
# Copyright (C) 2010-2011 Jelmer Vernooij <jelmer@samba.org>
#
# Based on the original in C:
# Copyright (C) Karl Auer 1993, 1994-1998
# Extensively modified by Andrew Tridgell, 1995
# Converted to popt by Jelmer Vernooij (jelmer@nl.linux.org), 2002
# Updated for Samba4 by Andrew Bartlett <abartlet@samba.org> 2006
#
# 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/>.
#
# Testbed for loadparm.c/params.c
#
# This module simply loads a specified configuration file and
# if successful, dumps it's contents to stdout. Note that the
# operation is performed with DEBUGLEVEL at 3.
#
# Useful for a quick 'syntax check' of a configuration file.
#
import os
import sys
import samba
import samba.getopt as options
from samba.netcmd import Command, CommandError, Option
class cmd_testparm(Command):
"""Syntax check the configuration file."""
synopsis = "%prog [options]"
takes_optiongroups = {
"sambaopts" : options.SambaOptions,
"versionopts": options.VersionOptions
}
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions
}
takes_options = [
Option("--section-name", type=str,
help="Limit testparm to a named section"),
Option("--parameter-name", type=str,
help="Limit testparm to a named parameter"),
Option("--client-name", type=str,
help="Client DNS name for 'hosts allow' checking "
"(should match reverse lookup)"),
Option("--client-ip", type=str,
help="Client IP address for 'hosts allow' checking"),
Option("--suppress-prompt", action="store_true", default=False,
help="Suppress prompt for enter"),
Option("-v", "--verbose", action="store_true",
default=False, help="Show default options too"),
# We need support for smb.conf macros before this will work again
Option("--server", type=str, help="Set %%L macro to servername"),
# These are harder to do with the new code structure
Option("--show-all-parameters", action="store_true", default=False,
help="Show the parameters, type, possible values")
]
takes_args = []
def run(self, sambaopts, versionopts,
section_name=None, parameter_name=None,
client_ip=None, client_name=None, verbose=False,
suppress_prompt=None,
show_all_parameters=False, server=None):
if server:
raise NotImplementedError("--server not yet implemented")
if show_all_parameters:
raise NotImplementedError("--show-all-parameters not yet implemented")
if client_name is not None and client_ip is None:
raise CommandError("Both a DNS name and an IP address are "
"required for the host access check")
lp = sambaopts.get_loadparm()
# We need this to force the output
samba.set_debug_level(2)
logger = self.get_logger("testparm")
logger.info("Loaded smb config files from %s", lp.configfile)
logger.info("Loaded services file OK.")
valid = self.do_global_checks(lp, logger)
valid = valid and self.do_share_checks(lp, logger)
if client_name is not None and client_ip is not None:
self.check_client_access(lp, logger, client_name, client_ip)
else:
if section_name is not None or parameter_name is not None:
if parameter_name is None:
lp[section_name].dump(sys.stdout, lp.default_service, verbose)
else:
self.outf.write(lp.get(parameter_name, section_name)+"\n")
else:
if not suppress_prompt:
self.outf.write("Press enter to see a dump of your service definitions\n")
sys.stdin.readline()
lp.dump(sys.stdout, verbose)
if valid:
return
else:
raise CommandError("Invalid smb.conf")
def do_global_checks(self, lp, logger):
valid = True
netbios_name = lp.get("netbios name")
if not samba.valid_netbios_name(netbios_name):
logger.error("netbios name %s is not a valid netbios name",
netbios_name)
valid = False
workgroup = lp.get("workgroup")
if not samba.valid_netbios_name(workgroup):
logger.error("workgroup name %s is not a valid netbios name",
workgroup)
valid = False
lockdir = lp.get("lockdir")
if not os.path.isdir(lockdir):
logger.error("lock directory %s does not exist", lockdir)
valid = False
piddir = lp.get("pid directory")
if not os.path.isdir(piddir):
logger.error("pid directory %s does not exist", piddir)
valid = False
winbind_separator = lp.get("winbind separator")
if len(winbind_separator) != 1:
logger.error("the 'winbind separator' parameter must be a single "
"character.")
valid = False
if winbind_separator == '+':
logger.error("'winbind separator = +' might cause problems with group "
"membership.")
valid = False
return valid
def allow_access(self, deny_list, allow_list, cname, caddr):
raise NotImplementedError(self.allow_access)
def do_share_checks(self, lp, logger):
valid = True
for s in lp.services():
if len(s) > 12:
logger.warning("You have some share names that are longer than 12 "
"characters. These may not be accessible to some older "
"clients. (Eg. Windows9x, WindowsMe, and not listed in "
"smbclient in Samba 3.0.)")
break
for s in lp.services():
deny_list = lp.get("hosts deny", s)
allow_list = lp.get("hosts allow", s)
if deny_list:
for entry in deny_list:
if "*" in entry or "?" in entry:
logger.error("Invalid character (* or ?) in hosts deny "
"list (%s) for service %s.", entry, s)
valid = False
if allow_list:
for entry in allow_list:
if "*" in entry or "?" in entry:
logger.error("Invalid character (* or ?) in hosts allow "
"list (%s) for service %s.", entry, s)
valid = False
return valid
def check_client_access(self, lp, logger, cname, caddr):
# this is totally ugly, a real `quick' hack
for s in lp.services():
if (self.allow_access(lp.get("hosts deny"), lp.get("hosts allow"), cname,
caddr) and
self.allow_access(lp.get("hosts deny", s), lp.get("hosts allow", s),
cname, caddr)):
logger.info("Allow connection from %s (%s) to %s", cname, caddr, s)
else:
logger.info("Deny connection from %s (%s) to %s", cname, caddr, s)
## FIXME: We need support for smb.conf macros before this will work again
##
## if (new_local_machine) {
## set_local_machine_name(new_local_machine, True)
## }
#
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