wintest/wintest.py

   1 #!/usr/bin/env python
   2
   3 '''automated testing library for testing Samba against windows'''
   4
   5 import pexpect, subprocess
   6 import optparse
   7 import sys, os, time, re
   8
   9 class wintest():
  10     '''testing of Samba against windows VMs'''
  11
  12     def __init__(self):
  13         self.vars = {}
  14         self.list_mode = False
  15         self.vms = None
  16         os.environ['PYTHONUNBUFFERED'] = '1'
  17         self.parser = optparse.OptionParser("wintest")
  18
  19     def check_prerequesites(self):
  20         self.info("Checking prerequesites")
  21         self.setvar('HOSTNAME', self.cmd_output("hostname -s").strip())
  22         if os.getuid() != 0:
  23             raise Exception("You must run this script as root")
  24         self.run_cmd('ifconfig ${INTERFACE} ${INTERFACE_NET} up')
  25         if self.getvar('INTERFACE_IPV6'):
  26             self.run_cmd('ifconfig ${INTERFACE} inet6 del ${INTERFACE_IPV6}/64', checkfail=False)
  27             self.run_cmd('ifconfig ${INTERFACE} inet6 add ${INTERFACE_IPV6}/64 up')
  28
  29     def stop_vms(self):
  30         '''Shut down any existing alive VMs, so they do not collide with what we are doing'''
  31         self.info('Shutting down any of our VMs already running')
  32         vms = self.get_vms()
  33         for v in vms:
  34             self.vm_poweroff(v, checkfail=False)
  35
  36     def setvar(self, varname, value):
  37         '''set a substitution variable'''
  38         self.vars[varname] = value
  39
  40     def getvar(self, varname):
  41         '''return a substitution variable'''
  42         if not varname in self.vars:
  43             return None
  44         return self.vars[varname]
  45
  46     def setwinvars(self, vm, prefix='WIN'):
  47         '''setup WIN_XX vars based on a vm name'''
  48         for v in ['VM', 'HOSTNAME', 'USER', 'PASS', 'SNAPSHOT', 'REALM', 'DOMAIN', 'IP']:
  49             vname = '%s_%s' % (vm, v)
  50             if vname in self.vars:
  51                 self.setvar("%s_%s" % (prefix,v), self.substitute("${%s}" % vname))
  52             else:
  53                 self.vars.pop("%s_%s" % (prefix,v), None)
  54
  55         if self.getvar("WIN_REALM"):
  56             self.setvar("WIN_REALM", self.getvar("WIN_REALM").upper())
  57             self.setvar("WIN_LCREALM", self.getvar("WIN_REALM").lower())
  58             dnsdomain = self.getvar("WIN_REALM")
  59             self.setvar("WIN_BASEDN", "DC=" + dnsdomain.replace(".", ",DC="))
  60         if self.getvar("WIN_USER") is None:
  61             self.setvar("WIN_USER", "administrator")
  62
  63     def info(self, msg):
  64         '''print some information'''
  65         if not self.list_mode:
  66             print(self.substitute(msg))
  67
  68     def load_config(self, fname):
  69         '''load the config file'''
  70         f = open(fname)
  71         for line in f:
  72             line = line.strip()
  73             if len(line) == 0 or line[0] == '#':
  74                 continue
  75             colon = line.find(':')
  76             if colon == -1:
  77                 raise RuntimeError("Invalid config line '%s'" % line)
  78             varname = line[0:colon].strip()
  79             value   = line[colon+1:].strip()
  80             self.setvar(varname, value)
  81
  82     def list_steps_mode(self):
  83         '''put wintest in step listing mode'''
  84         self.list_mode = True
  85
  86     def set_skip(self, skiplist):
  87         '''set a list of tests to skip'''
  88         self.skiplist = skiplist.split(',')
  89
  90     def set_vms(self, vms):
  91         '''set a list of VMs to test'''
  92         if vms is not None:
  93             self.vms = []
  94             for vm in vms.split(','):
  95                 vm = vm.upper()
  96                 self.vms.append(vm)
  97
  98     def skip(self, step):
  99         '''return True if we should skip a step'''
 100         if self.list_mode:
 101             print("\t%s" % step)
 102             return True
 103         return step in self.skiplist
 104
 105     def substitute(self, text):
 106         """Substitute strings of the form ${NAME} in text, replacing
 107         with substitutions from vars.
 108         """
 109         if isinstance(text, list):
 110             ret = text[:]
 111             for i in range(len(ret)):
 112                 ret[i] = self.substitute(ret[i])
 113             return ret
 114
 115         """We may have objects such as pexpect.EOF that are not strings"""
 116         if not isinstance(text, str):
 117             return text
 118         while True:
 119             var_start = text.find("${")
 120             if var_start == -1:
 121                 return text
 122             var_end = text.find("}", var_start)
 123             if var_end == -1:
 124                 return text
 125             var_name = text[var_start+2:var_end]
 126             if not var_name in self.vars:
 127                 raise RuntimeError("Unknown substitution variable ${%s}" % var_name)
 128             text = text.replace("${%s}" % var_name, self.vars[var_name])
 129         return text
 130
 131     def have_var(self, varname):
 132         '''see if a variable has been set'''
 133         return varname in self.vars
 134
 135     def have_vm(self, vmname):
 136         '''see if a VM should be used'''
 137         if not self.have_var(vmname + '_VM'):
 138             return False
 139         if self.vms is None:
 140             return True
 141         return vmname in self.vms
 142
 143     def putenv(self, key, value):
 144         '''putenv with substitution'''
 145         os.environ[key] = self.substitute(value)
 146
 147     def chdir(self, dir):
 148         '''chdir with substitution'''
 149         os.chdir(self.substitute(dir))
 150
 151     def del_files(self, dirs):
 152         '''delete all files in the given directory'''
 153         for d in dirs:
 154             self.run_cmd("find %s -type f | xargs rm -f" % d)
 155
 156     def write_file(self, filename, text, mode='w'):
 157         '''write to a file'''
 158         f = open(self.substitute(filename), mode=mode)
 159         f.write(self.substitute(text))
 160         f.close()
 161
 162     def run_cmd(self, cmd, dir=".", show=None, output=False, checkfail=True):
 163         '''run a command'''
 164         cmd = self.substitute(cmd)
 165         if isinstance(cmd, list):
 166             self.info('$ ' + " ".join(cmd))
 167         else:
 168             self.info('$ ' + cmd)
 169         if output:
 170             return subprocess.Popen([cmd], shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT, cwd=dir).communicate()[0]
 171         if isinstance(cmd, list):
 172             shell=False
 173         else:
 174             shell=True
 175         if checkfail:
 176             return subprocess.check_call(cmd, shell=shell, cwd=dir)
 177         else:
 178             return subprocess.call(cmd, shell=shell, cwd=dir)
 179
 180
 181     def run_child(self, cmd, dir="."):
 182         '''create a child and return the Popen handle to it'''
 183         cwd = os.getcwd()
 184         cmd = self.substitute(cmd)
 185         if isinstance(cmd, list):
 186             self.info('$ ' + " ".join(cmd))
 187         else:
 188             self.info('$ ' + cmd)
 189         if isinstance(cmd, list):
 190             shell=False
 191         else:
 192             shell=True
 193         os.chdir(dir)
 194         ret = subprocess.Popen(cmd, shell=shell, stderr=subprocess.STDOUT)
 195         os.chdir(cwd)
 196         return ret
 197
 198     def cmd_output(self, cmd):
 199         '''return output from and command'''
 200         cmd = self.substitute(cmd)
 201         return self.run_cmd(cmd, output=True)
 202
 203     def cmd_contains(self, cmd, contains, nomatch=False, ordered=False, regex=False,
 204                      casefold=True):
 205         '''check that command output contains the listed strings'''
 206
 207         if isinstance(contains, str):
 208             contains = [contains]
 209
 210         out = self.cmd_output(cmd)
 211         self.info(out)
 212         for c in self.substitute(contains):
 213             if regex:
 214                 if casefold:
 215                     c = c.upper()
 216                     out = out.upper()
 217                 m = re.search(c, out)
 218                 if m is None:
 219                     start = -1
 220                     end = -1
 221                 else:
 222                     start = m.start()
 223                     end = m.end()
 224             elif casefold:
 225                 start = out.upper().find(c.upper())
 226                 end = start + len(c)
 227             else:
 228                 start = out.find(c)
 229                 end = start + len(c)
 230             if nomatch:
 231                 if start != -1:
 232                     raise RuntimeError("Expected to not see %s in %s" % (c, cmd))
 233             else:
 234                 if start == -1:
 235                     raise RuntimeError("Expected to see %s in %s" % (c, cmd))
 236             if ordered and start != -1:
 237                 out = out[end:]
 238
 239     def retry_cmd(self, cmd, contains, retries=30, delay=2, wait_for_fail=False,
 240                   ordered=False, regex=False, casefold=True):
 241         '''retry a command a number of times'''
 242         while retries > 0:
 243             try:
 244                 self.cmd_contains(cmd, contains, nomatch=wait_for_fail,
 245                                   ordered=ordered, regex=regex, casefold=casefold)
 246                 return
 247             except:
 248                 time.sleep(delay)
 249                 retries -= 1
 250                 self.info("retrying (retries=%u delay=%u)" % (retries, delay))
 251         raise RuntimeError("Failed to find %s" % contains)
 252
 253     def pexpect_spawn(self, cmd, timeout=60, crlf=True, casefold=True):
 254         '''wrapper around pexpect spawn'''
 255         cmd = self.substitute(cmd)
 256         self.info("$ " + cmd)
 257         ret = pexpect.spawn(cmd, logfile=sys.stdout, timeout=timeout)
 258
 259         def sendline_sub(line):
 260             line = self.substitute(line)
 261             if crlf:
 262                 line = line.replace('\n', '\r\n') + '\r'
 263             return ret.old_sendline(line)
 264
 265         def expect_sub(line, timeout=ret.timeout, casefold=casefold):
 266             line = self.substitute(line)
 267             if casefold:
 268                 if isinstance(line, list):
 269                     for i in range(len(line)):
 270                         if isinstance(line[i], str):
 271                             line[i] = '(?i)' + line[i]
 272                 elif isinstance(line, str):
 273                     line = '(?i)' + line
 274             return ret.old_expect(line, timeout=timeout)
 275
 276         ret.old_sendline = ret.sendline
 277         ret.sendline = sendline_sub
 278         ret.old_expect = ret.expect
 279         ret.expect = expect_sub
 280
 281         return ret
 282
 283     def get_nameserver(self):
 284         '''Get the current nameserver from /etc/resolv.conf'''
 285         child = self.pexpect_spawn('cat /etc/resolv.conf', crlf=False)
 286         i = child.expect(['Generated by wintest', 'nameserver'])
 287         if i == 0:
 288             child.expect('your original resolv.conf')
 289             child.expect('nameserver')
 290         child.expect('\d+.\d+.\d+.\d+')
 291         return child.after
 292
 293     def rndc_cmd(self, cmd, checkfail=True):
 294         '''run a rndc command'''
 295         self.run_cmd("${RNDC} -c ${PREFIX}/etc/rndc.conf %s" % cmd, checkfail=checkfail)
 296
 297     def named_supports_gssapi_keytab(self):
 298         '''see if named supports tkey-gssapi-keytab'''
 299         self.write_file("${PREFIX}/named.conf.test",
 300                      'options { tkey-gssapi-keytab "test"; };')
 301         try:
 302             self.run_cmd("${NAMED_CHECKCONF} ${PREFIX}/named.conf.test")
 303         except subprocess.CalledProcessError:
 304             return False
 305         return True
 306
 307     def set_nameserver(self, nameserver):
 308         '''set the nameserver in resolv.conf'''
 309         self.write_file("/etc/resolv.conf.wintest", '''
 310 # Generated by wintest, the Samba v Windows automated testing system
 311 nameserver %s
 312
 313 # your original resolv.conf appears below:
 314 ''' % self.substitute(nameserver))
 315         child = self.pexpect_spawn("cat /etc/resolv.conf", crlf=False)
 316         i = child.expect(['your original resolv.conf appears below:', pexpect.EOF])
 317         if i == 0:
 318             child.expect(pexpect.EOF)
 319         contents = child.before.lstrip().replace('\r', '')
 320         self.write_file('/etc/resolv.conf.wintest', contents, mode='a')
 321         self.write_file('/etc/resolv.conf.wintest-bak', contents)
 322         self.run_cmd("mv -f /etc/resolv.conf.wintest /etc/resolv.conf")
 323         self.resolv_conf_backup = '/etc/resolv.conf.wintest-bak';
 324
 325     def configure_bind(self, kerberos_support=False, include=None):
 326         self.chdir('${PREFIX}')
 327
 328         nameserver = self.get_nameserver()
 329         if nameserver == self.getvar('INTERFACE_IP'):
 330             raise RuntimeError("old /etc/resolv.conf must not contain %s as a nameserver, this will create loops with the generated dns configuration" % nameserver)
 331         self.setvar('DNSSERVER', nameserver)
 332
 333         if self.getvar('INTERFACE_IPV6'):
 334             ipv6_listen = 'listen-on-v6 port 53 { ${INTERFACE_IPV6}; };'
 335         else:
 336             ipv6_listen = ''
 337         self.setvar('BIND_LISTEN_IPV6', ipv6_listen)
 338
 339         if not kerberos_support:
 340             self.setvar("NAMED_TKEY_OPTION", "")
 341         else:
 342             if self.named_supports_gssapi_keytab():
 343                 self.setvar("NAMED_TKEY_OPTION",
 344                          'tkey-gssapi-keytab "${PREFIX}/private/dns.keytab";')
 345             else:
 346                 self.info("LCREALM=${LCREALM}")
 347                 self.setvar("NAMED_TKEY_OPTION",
 348                          '''tkey-gssapi-credential "DNS/${LCREALM}";
 349                             tkey-domain "${LCREALM}";
 350                  ''')
 351             self.putenv('KEYTAB_FILE', '${PREFIX}/private/dns.keytab')
 352             self.putenv('KRB5_KTNAME', '${PREFIX}/private/dns.keytab')
 353
 354         if include:
 355             self.setvar("NAMED_INCLUDE", 'include "%s";' % include)
 356         else:
 357             self.setvar("NAMED_INCLUDE", '')
 358
 359         self.run_cmd("mkdir -p ${PREFIX}/etc")
 360
 361         self.write_file("etc/named.conf", '''
 362 options {
 363         listen-on port 53 { ${INTERFACE_IP};  };
 364         ${BIND_LISTEN_IPV6}
 365         directory       "${PREFIX}/var/named";
 366         dump-file       "${PREFIX}/var/named/data/cache_dump.db";
 367         pid-file        "${PREFIX}/var/named/named.pid";
 368         statistics-file "${PREFIX}/var/named/data/named_stats.txt";
 369         memstatistics-file "${PREFIX}/var/named/data/named_mem_stats.txt";
 370         allow-query     { any; };
 371         recursion yes;
 372         ${NAMED_TKEY_OPTION}
 373         max-cache-ttl 10;
 374         max-ncache-ttl 10;
 375
 376         forward only;
 377         forwarders {
 378                   ${DNSSERVER};
 379         };
 380
 381 };
 382
 383 key "rndc-key" {
 384         algorithm hmac-md5;
 385         secret "lA/cTrno03mt5Ju17ybEYw==";
 386 };
 387
 388 controls {
 389         inet ${INTERFACE_IP} port 953
 390         allow { any; } keys { "rndc-key"; };
 391 };
 392
 393 ${NAMED_INCLUDE}
 394 ''')
 395
 396         # add forwarding for the windows domains
 397         domains = self.get_domains()
 398         for d in domains:
 399             self.write_file('etc/named.conf',
 400                          '''
 401 zone "%s" IN {
 402       type forward;
 403       forward only;
 404       forwarders {
 405          %s;
 406       };
 407 };
 408 ''' % (d, domains[d]),
 409                      mode='a')
 410
 411
 412         self.write_file("etc/rndc.conf", '''
 413 # Start of rndc.conf
 414 key "rndc-key" {
 415         algorithm hmac-md5;
 416         secret "lA/cTrno03mt5Ju17ybEYw==";
 417 };
 418
 419 options {
 420         default-key "rndc-key";
 421         default-server  ${INTERFACE_IP};
 422         default-port 953;
 423 };
 424 ''')
 425
 426
 427     def stop_bind(self):
 428         '''Stop our private BIND from listening and operating'''
 429         self.rndc_cmd("stop", checkfail=False)
 430         self.port_wait("${INTERFACE_IP}", 53, wait_for_fail=True)
 431
 432         self.run_cmd("rm -rf var/named")
 433
 434
 435     def start_bind(self):
 436         '''restart the test environment version of bind'''
 437         self.info("Restarting bind9")
 438         self.chdir('${PREFIX}')
 439
 440         self.set_nameserver(self.getvar('INTERFACE_IP'))
 441
 442         self.run_cmd("mkdir -p var/named/data")
 443         self.run_cmd("chown -R ${BIND_USER} var/named")
 444
 445         self.bind_child = self.run_child("${BIND9} -u ${BIND_USER} -n 1 -c ${PREFIX}/etc/named.conf -g")
 446
 447         self.port_wait("${INTERFACE_IP}", 53)
 448         self.rndc_cmd("flush")
 449
 450     def restart_bind(self, kerberos_support=False, include=None):
 451         self.configure_bind(kerberos_support=kerberos_support, include=include)
 452         self.stop_bind()
 453         self.start_bind()
 454
 455     def restore_resolv_conf(self):
 456         '''restore the /etc/resolv.conf after testing is complete'''
 457         if getattr(self, 'resolv_conf_backup', False):
 458             self.info("restoring /etc/resolv.conf")
 459             self.run_cmd("mv -f %s /etc/resolv.conf" % self.resolv_conf_backup)
 460
 461
 462     def vm_poweroff(self, vmname, checkfail=True):
 463         '''power off a VM'''
 464         self.setvar('VMNAME', vmname)
 465         self.run_cmd("${VM_POWEROFF}", checkfail=checkfail)
 466
 467     def vm_reset(self, vmname):
 468         '''reset a VM'''
 469         self.setvar('VMNAME', vmname)
 470         self.run_cmd("${VM_RESET}")
 471
 472     def vm_restore(self, vmname, snapshot):
 473         '''restore a VM'''
 474         self.setvar('VMNAME', vmname)
 475         self.setvar('SNAPSHOT', snapshot)
 476         self.run_cmd("${VM_RESTORE}")
 477
 478     def ping_wait(self, hostname):
 479         '''wait for a hostname to come up on the network'''
 480         hostname = self.substitute(hostname)
 481         loops=10
 482         while loops > 0:
 483             try:
 484                 self.run_cmd("ping -c 1 -w 10 %s" % hostname)
 485                 break
 486             except:
 487                 loops = loops - 1
 488         if loops == 0:
 489             raise RuntimeError("Failed to ping %s" % hostname)
 490         self.info("Host %s is up" % hostname)
 491
 492     def port_wait(self, hostname, port, retries=200, delay=3, wait_for_fail=False):
 493         '''wait for a host to come up on the network'''
 494
 495         while retries > 0:
 496             child = self.pexpect_spawn("nc -v -z -w 1 %s %u" % (hostname, port), crlf=False, timeout=1)
 497             i = child.expect(['succeeded', 'failed', pexpect.EOF, pexpect.TIMEOUT])
 498             if wait_for_fail:
 499                 if i > 0:
 500                     return
 501             else:
 502                 if i == 0:
 503                     return
 504
 505             time.sleep(delay)
 506             retries -= 1
 507             self.info("retrying (retries=%u delay=%u)" % (retries, delay))
 508
 509         raise RuntimeError("gave up waiting for %s:%d" % (hostname, port))
 510
 511     def run_net_time(self, child):
 512         '''run net time on windows'''
 513         child.sendline("net time \\\\${HOSTNAME} /set")
 514         child.expect("Do you want to set the local computer")
 515         child.sendline("Y")
 516         child.expect("The command completed successfully")
 517
 518     def run_date_time(self, child, time_tuple=None):
 519         '''run date and time on windows'''
 520         if time_tuple is None:
 521             time_tuple = time.localtime()
 522         child.sendline("date")
 523         child.expect("Enter the new date:")
 524         i = child.expect(["dd-mm-yy", "mm-dd-yy"])
 525         if i == 0:
 526             child.sendline(time.strftime("%d-%m-%y", time_tuple))
 527         else:
 528             child.sendline(time.strftime("%m-%d-%y", time_tuple))
 529         child.expect("C:")
 530         child.sendline("time")
 531         child.expect("Enter the new time:")
 532         child.sendline(time.strftime("%H:%M:%S", time_tuple))
 533         child.expect("C:")
 534
 535     def get_ipconfig(self, child):
 536         '''get the IP configuration of the child'''
 537         child.sendline("ipconfig /all")
 538         child.expect('Ethernet adapter ')
 539         child.expect("[\w\s]+")
 540         self.setvar("WIN_NIC", child.after)
 541         child.expect(['IPv4 Address', 'IP Address'])
 542         child.expect('\d+.\d+.\d+.\d+')
 543         self.setvar('WIN_IPV4_ADDRESS', child.after)
 544         child.expect('Subnet Mask')
 545         child.expect('\d+.\d+.\d+.\d+')
 546         self.setvar('WIN_SUBNET_MASK', child.after)
 547         child.expect('Default Gateway')
 548         i = child.expect(['\d+.\d+.\d+.\d+', "C:"])
 549         if i == 0:
 550             self.setvar('WIN_DEFAULT_GATEWAY', child.after)
 551             child.expect("C:")
 552
 553     def get_is_dc(self, child):
 554         '''check if a windows machine is a domain controller'''
 555         child.sendline("dcdiag")
 556         i = child.expect(["is not a Directory Server",
 557                           "is not recognized as an internal or external command",
 558                           "Home Server = ",
 559                           "passed test Replications"])
 560         if i == 0:
 561             return False
 562         if i == 1 or i == 3:
 563             child.expect("C:")
 564             child.sendline("net config Workstation")
 565             child.expect("Workstation domain")
 566             child.expect('[\S]+')
 567             domain = child.after
 568             i = child.expect(["Workstation Domain DNS Name", "Logon domain"])
 569             '''If we get the Logon domain first, we are not in an AD domain'''
 570             if i == 1:
 571                 return False
 572             if domain.upper() == self.getvar("WIN_DOMAIN").upper():
 573                 return True
 574
 575         child.expect('[\S]+')
 576         hostname = child.after
 577         if hostname.upper() == self.getvar("WIN_HOSTNAME").upper():
 578             return True
 579
 580     def set_noexpire(self, child, username):
 581         """Ensure this user's password does not expire"""
 582         child.sendline('wmic useraccount where name="%s" set PasswordExpires=FALSE' % username)
 583         child.expect("update successful")
 584         child.expect("C:")
 585
 586     def run_tlntadmn(self, child):
 587         '''remove the annoying telnet restrictions'''
 588         child.sendline('tlntadmn config maxconn=1024')
 589         child.expect(["The settings were successfully updated", "Access is denied"])
 590         child.expect("C:")
 591
 592     def disable_firewall(self, child):
 593         '''remove the annoying firewall'''
 594         child.sendline('netsh advfirewall set allprofiles state off')
 595         i = child.expect(["Ok", "The following command was not found: advfirewall set allprofiles state off", "The requested operation requires elevation", "Access is denied"])
 596         child.expect("C:")
 597         if i == 1:
 598             child.sendline('netsh firewall set opmode mode = DISABLE profile = ALL')
 599             i = child.expect(["Ok", "The following command was not found", "Access is denied"])
 600             if i != 0:
 601                 self.info("Firewall disable failed - ignoring")
 602             child.expect("C:")
 603
 604     def set_dns(self, child):
 605         child.sendline('netsh interface ip set dns "${WIN_NIC}" static ${INTERFACE_IP} primary')
 606         i = child.expect(['C:', pexpect.EOF, pexpect.TIMEOUT], timeout=5)
 607         if i > 0:
 608             return True
 609         else:
 610             return False
 611
 612     def set_ip(self, child):
 613         """fix the IP address to the same value it had when we
 614         connected, but don't use DHCP, and force the DNS server to our
 615         DNS server.  This allows DNS updates to run"""
 616         self.get_ipconfig(child)
 617         if self.getvar("WIN_IPV4_ADDRESS") != self.getvar("WIN_IP"):
 618             raise RuntimeError("ipconfig address %s != nmblookup address %s" % (self.getvar("WIN_IPV4_ADDRESS"),
 619                                                                                 self.getvar("WIN_IP")))
 620         child.sendline('netsh')
 621         child.expect('netsh>')
 622         child.sendline('offline')
 623         child.expect('netsh>')
 624         child.sendline('routing ip add persistentroute dest=0.0.0.0 mask=0.0.0.0 name="${WIN_NIC}" nhop=${WIN_DEFAULT_GATEWAY}')
 625         child.expect('netsh>')
 626         child.sendline('interface ip set address "${WIN_NIC}" static ${WIN_IPV4_ADDRESS} ${WIN_SUBNET_MASK} ${WIN_DEFAULT_GATEWAY} 1 store=persistent')
 627         i = child.expect(['The syntax supplied for this command is not valid. Check help for the correct syntax', 'netsh>', pexpect.EOF, pexpect.TIMEOUT], timeout=5)
 628         if i == 0:
 629             child.sendline('interface ip set address "${WIN_NIC}" static ${WIN_IPV4_ADDRESS} ${WIN_SUBNET_MASK} ${WIN_DEFAULT_GATEWAY} 1')
 630             child.expect('netsh>')
 631         child.sendline('commit')
 632         child.sendline('online')
 633         child.sendline('exit')
 634
 635         child.expect([pexpect.EOF, pexpect.TIMEOUT], timeout=5)
 636         return True
 637
 638
 639     def resolve_ip(self, hostname, retries=60, delay=5):
 640         '''resolve an IP given a hostname, assuming NBT'''
 641         while retries > 0:
 642             child = self.pexpect_spawn("bin/nmblookup %s" % hostname)
 643             i = 0
 644             while i == 0:
 645                 i = child.expect(["querying", '\d+.\d+.\d+.\d+', hostname, "Lookup failed"])
 646                 if i == 0:
 647                     child.expect("\r")
 648             if i == 1:
 649                 return child.after
 650             retries -= 1
 651             time.sleep(delay)
 652             self.info("retrying (retries=%u delay=%u)" % (retries, delay))
 653         raise RuntimeError("Failed to resolve IP of %s" % hostname)
 654
 655
 656     def open_telnet(self, hostname, username, password, retries=60, delay=5, set_time=False, set_ip=False,
 657                     disable_firewall=True, run_tlntadmn=True, set_noexpire=False):
 658         '''open a telnet connection to a windows server, return the pexpect child'''
 659         set_route = False
 660         set_dns = False
 661         set_telnetclients = True
 662         if self.getvar('WIN_IP'):
 663             ip = self.getvar('WIN_IP')
 664         else:
 665             ip = self.resolve_ip(hostname)
 666             self.setvar('WIN_IP', ip)
 667         while retries > 0:
 668             child = self.pexpect_spawn("telnet " + ip + " -l '" + username + "'")
 669             i = child.expect(["Welcome to Microsoft Telnet Service",
 670                               "Denying new connections due to the limit on number of connections",
 671                               "No more connections are allowed to telnet server",
 672                               "Unable to connect to remote host",
 673                               "No route to host",
 674                               "Connection refused",
 675                               pexpect.EOF])
 676             if i != 0:
 677                 child.close()
 678                 time.sleep(delay)
 679                 retries -= 1
 680                 self.info("retrying (retries=%u delay=%u)" % (retries, delay))
 681                 continue
 682             child.expect("password:")
 683             child.sendline(password)
 684             i = child.expect(["C:",
 685                               "TelnetClients",
 686                               "Denying new connections due to the limit on number of connections",
 687                               "No more connections are allowed to telnet server",
 688                               "Unable to connect to remote host",
 689                               "No route to host",
 690                               "Connection refused",
 691                               pexpect.EOF])
 692             if i == 1:
 693                 if set_telnetclients:
 694                     self.run_cmd('bin/net rpc group addmem TelnetClients "authenticated users" -S $WIN_IP -U$WIN_USER%$WIN_PASS')
 695                     child.close()
 696                     retries -= 1
 697                     set_telnetclients = False
 698                     self.info("retrying (retries=%u delay=%u)" % (retries, delay))
 699                     continue
 700                 else:
 701                     raise RuntimeError("Failed to connect with telnet due to missing TelnetClients membership")
 702
 703             if i != 0:
 704                 child.close()
 705                 time.sleep(delay)
 706                 retries -= 1
 707                 self.info("retrying (retries=%u delay=%u)" % (retries, delay))
 708                 continue
 709             if set_dns:
 710                 set_dns = False
 711                 if self.set_dns(child):
 712                     continue;
 713             if set_route:
 714                 child.sendline('route add 0.0.0.0 mask 0.0.0.0 ${WIN_DEFAULT_GATEWAY}')
 715                 child.expect("C:")
 716                 set_route = False
 717             if set_time:
 718                 self.run_date_time(child, None)
 719                 set_time = False
 720             if run_tlntadmn:
 721                 self.run_tlntadmn(child)
 722                 run_tlntadmn = False
 723             if set_noexpire:
 724                 self.set_noexpire(child, username)
 725                 set_noexpire = False
 726             if disable_firewall:
 727                 self.disable_firewall(child)
 728                 disable_firewall = False
 729             if set_ip:
 730                 set_ip = False
 731                 if self.set_ip(child):
 732                     set_route = True
 733                     set_dns = True
 734                 continue
 735             return child
 736         raise RuntimeError("Failed to connect with telnet")
 737
 738     def kinit(self, username, password):
 739         '''use kinit to setup a credentials cache'''
 740         self.run_cmd("kdestroy")
 741         self.putenv('KRB5CCNAME', "${PREFIX}/ccache.test")
 742         username = self.substitute(username)
 743         s = username.split('@')
 744         if len(s) > 0:
 745             s[1] = s[1].upper()
 746         username = '@'.join(s)
 747         child = self.pexpect_spawn('kinit ' + username)
 748         child.expect("Password")
 749         child.sendline(password)
 750         child.expect(pexpect.EOF)
 751         child.close()
 752         if child.exitstatus != 0:
 753             raise RuntimeError("kinit failed with status %d" % child.exitstatus)
 754
 755     def get_domains(self):
 756         '''return a dictionary of DNS domains and IPs for named.conf'''
 757         ret = {}
 758         for v in self.vars:
 759             if v[-6:] == "_REALM":
 760                 base = v[:-6]
 761                 if base + '_IP' in self.vars:
 762                     ret[self.vars[base + '_REALM']] = self.vars[base + '_IP']
 763         return ret
 764
 765     def wait_reboot(self, retries=3):
 766         '''wait for a VM to reboot'''
 767
 768         # first wait for it to shutdown
 769         self.port_wait("${WIN_IP}", 139, wait_for_fail=True, delay=6)
 770
 771         # now wait for it to come back. If it fails to come back
 772         # then try resetting it
 773         while retries > 0:
 774             try:
 775                 self.port_wait("${WIN_IP}", 139)
 776                 return
 777             except:
 778                 retries -= 1
 779                 self.vm_reset("${WIN_VM}")
 780                 self.info("retrying reboot (retries=%u)" % retries)
 781         raise RuntimeError(self.substitute("VM ${WIN_VM} failed to reboot"))
 782
 783     def get_vms(self):
 784         '''return a dictionary of all the configured VM names'''
 785         ret = []
 786         for v in self.vars:
 787             if v[-3:] == "_VM":
 788                 ret.append(self.vars[v])
 789         return ret
 790
 791
 792     def run_dcpromo_as_first_dc(self, vm, func_level=None):
 793         self.setwinvars(vm)
 794         self.info("Configuring a windows VM ${WIN_VM} at the first DC in the domain using dcpromo")
 795         child = self.open_telnet("${WIN_HOSTNAME}", "administrator", "${WIN_PASS}", set_time=True)
 796         if self.get_is_dc(child):
 797             return
 798
 799         if func_level == '2008r2':
 800             self.setvar("FUNCTION_LEVEL_INT", str(4))
 801         elif func_level == '2003':
 802             self.setvar("FUNCTION_LEVEL_INT", str(1))
 803         else:
 804             self.setvar("FUNCTION_LEVEL_INT", str(0))
 805
 806         child = self.open_telnet("${WIN_HOSTNAME}", "administrator", "${WIN_PASS}", set_ip=True, set_noexpire=True)
 807
 808         """This server must therefore not yet be a directory server, so we must promote it"""
 809         child.sendline("copy /Y con answers.txt")
 810         child.sendline('''
 811 [DCInstall]
 812 ; New forest promotion
 813 ReplicaOrNewDomain=Domain
 814 NewDomain=Forest
 815 NewDomainDNSName=${WIN_REALM}
 816 ForestLevel=${FUNCTION_LEVEL_INT}
 817 DomainNetbiosName=${WIN_DOMAIN}
 818 DomainLevel=${FUNCTION_LEVEL_INT}
 819 InstallDNS=Yes
 820 ConfirmGc=Yes
 821 CreateDNSDelegation=No
 822 DatabasePath="C:\Windows\NTDS"
 823 LogPath="C:\Windows\NTDS"
 824 SYSVOLPath="C:\Windows\SYSVOL"
 825 ; Set SafeModeAdminPassword to the correct value prior to using the unattend file
 826 SafeModeAdminPassword=${WIN_PASS}
 827 ; Run-time flags (optional)
 828 RebootOnCompletion=No
 829 \1a
 830 ''')
 831         child.expect("copied.")
 832         child.expect("C:")
 833         child.expect("C:")
 834         child.sendline("dcpromo /answer:answers.txt")
 835         i = child.expect(["You must restart this computer", "failed", "Active Directory Domain Services was not installed", "C:"], timeout=240)
 836         if i == 1 or i == 2:
 837             raise Exception("dcpromo failed")
 838         child.sendline("shutdown -r -t 0")
 839         self.port_wait("${WIN_IP}", 139, wait_for_fail=True)
 840         self.port_wait("${WIN_IP}", 139)
 841         self.retry_cmd("host -t SRV _ldap._tcp.${WIN_REALM} ${WIN_IP}", ['has SRV record'], retries=60, delay=5 )
 842
 843
 844     def start_winvm(self, vm):
 845         '''start a Windows VM'''
 846         self.setwinvars(vm)
 847
 848         self.info("Joining a windows box to the domain")
 849         self.vm_poweroff("${WIN_VM}", checkfail=False)
 850         self.vm_restore("${WIN_VM}", "${WIN_SNAPSHOT}")
 851
 852     def run_winjoin(self, vm, domain, username="administrator", password="${PASSWORD1}"):
 853         '''join a windows box to a domain'''
 854         child = self.open_telnet("${WIN_HOSTNAME}", "${WIN_USER}", "${WIN_PASS}", set_time=True, set_ip=True, set_noexpire=True)
 855         retries = 5
 856         while retries > 0:
 857             child.sendline("ipconfig /flushdns")
 858             child.expect("C:")
 859             child.sendline("netdom join ${WIN_HOSTNAME} /Domain:%s /UserD:%s /PasswordD:%s" % (domain, username, password))
 860             i = child.expect(["The command completed successfully",
 861                              "The specified domain either does not exist or could not be contacted."])
 862             if i == 0:
 863                 break
 864             time.sleep(10)
 865             retries -= 1
 866
 867         child.expect("C:")
 868         child.sendline("shutdown /r -t 0")
 869         self.wait_reboot()
 870         child = self.open_telnet("${WIN_HOSTNAME}", "${WIN_USER}", "${WIN_PASS}", set_time=True, set_ip=True)
 871         child.sendline("ipconfig /registerdns")
 872         child.expect("Registration of the DNS resource records for all adapters of this computer has been initiated. Any errors will be reported in the Event Viewer")
 873         child.expect("C:")
 874
 875
 876     def test_remote_smbclient(self, vm, username="${WIN_USER}", password="${WIN_PASS}", args=""):
 877         '''test smbclient against remote server'''
 878         self.setwinvars(vm)
 879         self.info('Testing smbclient')
 880         self.chdir('${PREFIX}')
 881         smbclient = self.getvar("smbclient")
 882         self.cmd_contains("%s --version" % (smbclient), ["${SAMBA_VERSION}"])
 883         self.retry_cmd('%s -L ${WIN_HOSTNAME} -U%s%%%s %s' % (smbclient, username, password, args), ["IPC"], retries=60, delay=5)
 884
 885     def test_net_use(self, vm, realm, domain, username, password):
 886         self.setwinvars(vm)
 887         self.info('Testing net use against Samba3 member')
 888         child = self.open_telnet("${WIN_HOSTNAME}", "%s\\%s" % (domain, username), password)
 889         child.sendline("net use t: \\\\${HOSTNAME}.%s\\test" % realm)
 890         child.expect("The command completed successfully")
 891
 892
 893     def setup(self, testname, subdir):
 894         '''setup for main tests, parsing command line'''
 895         self.parser.add_option("--conf", type='string', default='', help='config file')
 896         self.parser.add_option("--skip", type='string', default='', help='list of steps to skip (comma separated)')
 897         self.parser.add_option("--vms", type='string', default=None, help='list of VMs to use (comma separated)')
 898         self.parser.add_option("--list", action='store_true', default=False, help='list the available steps')
 899         self.parser.add_option("--rebase", action='store_true', default=False, help='do a git pull --rebase')
 900         self.parser.add_option("--clean", action='store_true', default=False, help='clean the tree')
 901         self.parser.add_option("--prefix", type='string', default=None, help='override install prefix')
 902         self.parser.add_option("--sourcetree", type='string', default=None, help='override sourcetree location')
 903         self.parser.add_option("--nocleanup", action='store_true', default=False, help='disable cleanup code')
 904
 905         self.opts, self.args = self.parser.parse_args()
 906
 907         if not self.opts.conf:
 908             print("Please specify a config file with --conf")
 909             sys.exit(1)
 910
 911         # we don't need fsync safety in these tests
 912         self.putenv('TDB_NO_FSYNC', '1')
 913
 914         self.load_config(self.opts.conf)
 915
 916         self.set_skip(self.opts.skip)
 917         self.set_vms(self.opts.vms)
 918
 919         if self.opts.list:
 920             self.list_steps_mode()
 921
 922         if self.opts.prefix:
 923             self.setvar('PREFIX', self.opts.prefix)
 924
 925         if self.opts.sourcetree:
 926             self.setvar('SOURCETREE', self.opts.sourcetree)
 927
 928         if self.opts.rebase:
 929             self.info('rebasing')
 930             self.chdir('${SOURCETREE}')
 931             self.run_cmd('git pull --rebase')
 932
 933         if self.opts.clean:
 934             self.info('cleaning')
 935             self.chdir('${SOURCETREE}/' + subdir)
 936             self.run_cmd('make clean')