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test1451: add SMB support to the testbed

Add test 1451 which does some very basic SMB testing using the impacket
SMB server.

Closes #1630
This commit is contained in:
Max Dymond 2017-07-03 11:00:04 +01:00 committed by Daniel Stenberg
parent f1609155d5
commit a6f8d27efc
7 changed files with 889 additions and 511 deletions

56
tests/curl_test_data.py Executable file
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@ -0,0 +1,56 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
"""Module for extracting test data from the test data folder"""
from __future__ import (absolute_import, division, print_function,
unicode_literals)
import os
import xml.etree.ElementTree as ET
import logging
log = logging.getLogger(__name__)
class TestData(object):
def __init__(self, data_folder):
self.data_folder = data_folder
def get_test_data(self, test_number):
# Create the test file name
filename = os.path.join(self.data_folder,
"test{0}".format(test_number))
# The user should handle the exception from failing to find the file.
tree = ET.parse(filename)
# We need the <reply><data> text.
reply = tree.find("reply")
data = reply.find("data")
# Return the text contents of the data
return data.text
if __name__ == '__main__':
td = TestData("./data")
data = td.get_test_data(1)
print(data)

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@ -154,7 +154,7 @@ test1416 test1417 test1418 test1419 test1420 test1421 test1422 test1423 \
test1424 test1425 test1426 \
test1428 test1429 test1430 test1431 test1432 test1433 test1434 test1435 \
test1436 test1437 test1438 test1439 test1440 test1441 test1442 test1443 \
test1444 test1445 test1446 test1450 \
test1444 test1445 test1446 test1450 test1451 \
\
test1500 test1501 test1502 test1503 test1504 test1505 test1506 test1507 \
test1508 test1509 test1510 test1511 test1512 test1513 test1514 test1515 \

36
tests/data/test1451 Normal file
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@ -0,0 +1,36 @@
<testcase>
<info>
<keywords>
SMB
</keywords>
</info>
#
# Server-side
<reply>
<data>Basic SMB test complete</data>
</reply>
#
# Client-side
<client>
<server>
smb
</server>
<features>
smb
</features>
<name>
Basic SMB request
</name>
<command>
-u 'curltest:curltest' smb://%HOSTIP:%SMBPORT/TESTS/1451
</command>
</client>
#
# Verify data after the test has been "shot"
<verify>
<stdout>Basic SMB test complete</stdout>
</verify>
</testcase>

File diff suppressed because it is too large Load Diff

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@ -146,6 +146,8 @@ my $HTTPPIPEPORT; # HTTP pipelining port
my $HTTPUNIXPATH; # HTTP server Unix domain socket path
my $HTTP2PORT; # HTTP/2 server port
my $DICTPORT; # DICT server port
my $SMBPORT; # SMB server port
my $SMBSPORT; # SMBS server port
my $srcdir = $ENV{'srcdir'} || '.';
my $CURL="../src/curl".exe_ext(); # what curl executable to run on the tests
@ -380,7 +382,7 @@ sub init_serverpidfile_hash {
}
}
for my $proto (('tftp', 'sftp', 'socks', 'ssh', 'rtsp', 'gopher', 'httptls',
'dict')) {
'dict', 'smb', 'smbs')) {
for my $ipvnum ((4, 6)) {
for my $idnum ((1, 2)) {
my $serv = servername_id($proto, $ipvnum, $idnum);
@ -1120,6 +1122,67 @@ sub verifysocks {
return $pid;
}
#######################################################################
# Verify that the server that runs on $ip, $port is our server. This also
# implies that we can speak with it, as there might be occasions when the
# server runs fine but we cannot talk to it ("Failed to connect to ::1: Can't
# assign requested address")
#
sub verifysmb {
my ($proto, $ipvnum, $idnum, $ip, $port) = @_;
my $server = servername_id($proto, $ipvnum, $idnum);
my $pid = 0;
my $time=time();
my $extra="";
my $verifylog = "$LOGDIR/".
servername_canon($proto, $ipvnum, $idnum) .'_verify.log';
unlink($verifylog) if(-f $verifylog);
my $flags = "--max-time $server_response_maxtime ";
$flags .= "--silent ";
$flags .= "--verbose ";
$flags .= "--globoff ";
$flags .= "-u 'curltest:curltest' ";
$flags .= $extra;
$flags .= "\"$proto://$ip:$port/SERVER/verifiedserver\"";
my $cmd = "$VCURL $flags 2>$verifylog";
# check if this is our server running on this port:
logmsg "RUN: $cmd\n" if($verbose);
my @data = runclientoutput($cmd);
my $res = $? >> 8; # rotate the result
if($res & 128) {
logmsg "RUN: curl command died with a coredump\n";
return -1;
}
foreach my $line (@data) {
if($line =~ /WE ROOLZ: (\d+)/) {
# this is our test server with a known pid!
$pid = 0+$1;
last;
}
}
if($pid <= 0 && @data && $data[0]) {
# this is not a known server
logmsg "RUN: Unknown server on our $server port: $port\n";
return 0;
}
# we can/should use the time it took to verify the server as a measure
# on how fast/slow this host is.
my $took = int(0.5+time()-$time);
if($verbose) {
logmsg "RUN: Verifying our test $server server took $took seconds\n";
}
$ftpchecktime = $took>=1?$took:1; # make sure it never is below 1
return $pid;
}
#######################################################################
# Verify that the server that runs on $ip, $port is our server.
# Retry over several seconds before giving up. The ssh server in
@ -1146,7 +1209,8 @@ my %protofunc = ('http' => \&verifyhttp,
'socks' => \&verifysocks,
'gopher' => \&verifyhttp,
'httptls' => \&verifyhttptls,
'dict' => \&verifyftp);
'dict' => \&verifyftp,
'smb' => \&verifysmb);
sub verifyserver {
my ($proto, $ipvnum, $idnum, $ip, $port) = @_;
@ -2243,6 +2307,83 @@ sub rundictserver {
return ($dictpid, $pid2);
}
#######################################################################
# start the SMB server
#
sub runsmbserver {
my ($verbose, $alt, $port) = @_;
my $proto = "smb";
my $ip = $HOSTIP;
my $ipvnum = 4;
my $idnum = 1;
my $server;
my $srvrname;
my $pidfile;
my $logfile;
my $flags = "";
if($alt eq "ipv6") {
# No IPv6
}
$server = servername_id($proto, $ipvnum, $idnum);
$pidfile = $serverpidfile{$server};
# don't retry if the server doesn't work
if ($doesntrun{$pidfile}) {
return (0,0);
}
my $pid = processexists($pidfile);
if($pid > 0) {
stopserver($server, "$pid");
}
unlink($pidfile) if(-f $pidfile);
$srvrname = servername_str($proto, $ipvnum, $idnum);
$logfile = server_logfilename($LOGDIR, $proto, $ipvnum, $idnum);
$flags .= "--verbose 1 " if($debugprotocol);
$flags .= "--pidfile \"$pidfile\" --logfile \"$logfile\" ";
$flags .= "--id $idnum " if($idnum > 1);
$flags .= "--port $port --srcdir \"$srcdir\"";
my $cmd = "$srcdir/smbserver.py $flags";
my ($smbpid, $pid2) = startnew($cmd, $pidfile, 15, 0);
if($smbpid <= 0 || !pidexists($smbpid)) {
# it is NOT alive
logmsg "RUN: failed to start the $srvrname server\n";
stopserver($server, "$pid2");
displaylogs($testnumcheck);
$doesntrun{$pidfile} = 1;
return (0,0);
}
# Server is up. Verify that we can speak to it.
my $pid3 = verifyserver($proto, $ipvnum, $idnum, $ip, $port);
if(!$pid3) {
logmsg "RUN: $srvrname server failed verification\n";
# failed to talk to it properly. Kill the server and return failure
stopserver($server, "$smbpid $pid2");
displaylogs($testnumcheck);
$doesntrun{$pidfile} = 1;
return (0,0);
}
$pid2 = $pid3;
if($verbose) {
logmsg "RUN: $srvrname server is now running PID $smbpid\n";
}
sleep(1);
return ($smbpid, $pid2);
}
#######################################################################
# Single shot http and gopher server responsiveness test. This should only
# be used to verify that a server present in %run hash is still functional
@ -2843,6 +2984,9 @@ sub subVariables {
$$thing =~ s/%DICTPORT/$DICTPORT/g;
$$thing =~ s/%SMBPORT/$SMBPORT/g;
$$thing =~ s/%SMBSPORT/$SMBSPORT/g;
# server Unix domain socket paths
$$thing =~ s/%HTTPUNIXPATH/$HTTPUNIXPATH/g;
@ -4695,6 +4839,17 @@ sub startservers {
$run{'dict'}="$pid $pid2";
}
}
elsif($what eq "smb") {
if(!$run{'smb'}) {
($pid, $pid2) = runsmbserver($verbose, "", $SMBPORT);
if($pid <= 0) {
return "failed starting SMB server";
}
logmsg sprintf ("* pid SMB => %d %d\n", $pid, $pid2)
if($verbose);
$run{'dict'}="$pid $pid2";
}
}
elsif($what eq "none") {
logmsg "* starts no server\n" if ($verbose);
}
@ -5155,6 +5310,8 @@ $HTTPPROXYPORT = $base++; # HTTP proxy port, when using CONNECT
$HTTPPIPEPORT = $base++; # HTTP pipelining port
$HTTP2PORT = $base++; # HTTP/2 port
$DICTPORT = $base++; # DICT port
$SMBPORT = $base++; # SMB port
$SMBSPORT = $base++; # SMBS port
$HTTPUNIXPATH = 'http.sock'; # HTTP server Unix domain socket path
#######################################################################

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@ -105,7 +105,7 @@ sub servername_str {
$proto = uc($proto) if($proto);
die "unsupported protocol: '$proto'" unless($proto &&
($proto =~ /^(((FTP|HTTP|HTTP\/2|IMAP|POP3|SMTP|HTTP-PIPE)S?)|(TFTP|SFTP|SOCKS|SSH|RTSP|GOPHER|HTTPTLS|DICT))$/));
($proto =~ /^(((FTP|HTTP|HTTP\/2|IMAP|POP3|SMTP|HTTP-PIPE)S?)|(TFTP|SFTP|SOCKS|SSH|RTSP|GOPHER|HTTPTLS|DICT|SMB|SMBS))$/));
$ipver = (not $ipver) ? 'ipv4' : lc($ipver);
die "unsupported IP version: '$ipver'" unless($ipver &&

377
tests/smbserver.py Executable file
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@ -0,0 +1,377 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
"""Server for testing SMB"""
from __future__ import (absolute_import, division, print_function)
# unicode_literals)
import argparse
import ConfigParser
import os
import sys
import logging
import tempfile
# Import our curl test data helper
import curl_test_data
# This saves us having to set up the PYTHONPATH explicitly
deps_dir = os.path.join(os.path.dirname(__file__), "python_dependencies")
sys.path.append(deps_dir)
from impacket import smbserver as imp_smbserver
from impacket import smb as imp_smb
from impacket.nt_errors import (STATUS_ACCESS_DENIED, STATUS_SUCCESS,
STATUS_NO_SUCH_FILE)
log = logging.getLogger(__name__)
SERVER_MAGIC = "SERVER_MAGIC"
TESTS_MAGIC = "TESTS_MAGIC"
VERIFIED_REQ = "verifiedserver"
VERIFIED_RSP = b"WE ROOLZ: {pid}\n"
def smbserver(options):
"""Start up a TCP SMB server that serves forever
"""
if options.pidfile:
pid = os.getpid()
with open(options.pidfile, "w") as f:
f.write("{0}".format(pid))
# Here we write a mini config for the server
smb_config = ConfigParser.ConfigParser()
smb_config.add_section("global")
smb_config.set("global", "server_name", "SERVICE")
smb_config.set("global", "server_os", "UNIX")
smb_config.set("global", "server_domain", "WORKGROUP")
smb_config.set("global", "log_file", "")
smb_config.set("global", "credentials_file", "")
# We need a share which allows us to test that the server is running
smb_config.add_section("SERVER")
smb_config.set("SERVER", "comment", "server function")
smb_config.set("SERVER", "read only", "yes")
smb_config.set("SERVER", "share type", "0")
smb_config.set("SERVER", "path", SERVER_MAGIC)
# Have a share for tests. These files will be autogenerated from the
# test input.
smb_config.add_section("TESTS")
smb_config.set("TESTS", "comment", "tests")
smb_config.set("TESTS", "read only", "yes")
smb_config.set("TESTS", "share type", "0")
smb_config.set("TESTS", "path", TESTS_MAGIC)
if not options.srcdir or not os.path.isdir(options.srcdir):
raise ScriptException("--srcdir is mandatory")
test_data_dir = os.path.join(options.srcdir, "data")
smb_server = TestSmbServer(("127.0.0.1", options.port),
config_parser=smb_config,
test_data_directory=test_data_dir)
log.info("[SMB] setting up SMB server on port %s", options.port)
smb_server.processConfigFile()
smb_server.serve_forever()
return 0
class TestSmbServer(imp_smbserver.SMBSERVER):
"""
Test server for SMB which subclasses the impacket SMBSERVER and provides
test functionality.
"""
def __init__(self,
address,
config_parser=None,
test_data_directory=None):
imp_smbserver.SMBSERVER.__init__(self,
address,
config_parser=config_parser)
# Set up a test data object so we can get test data later.
self.ctd = curl_test_data.TestData(test_data_directory)
# Override smbComNtCreateAndX so we can pretend to have files which
# don't exist.
self.hookSmbCommand(imp_smb.SMB.SMB_COM_NT_CREATE_ANDX,
self.create_and_x)
def create_and_x(self, conn_id, smb_server, smb_command, recv_packet):
"""
Our version of smbComNtCreateAndX looks for special test files and
fools the rest of the framework into opening them as if they were
normal files.
"""
conn_data = smb_server.getConnectionData(conn_id)
# Wrap processing in a try block which allows us to throw SmbException
# to control the flow.
try:
ncax_parms = imp_smb.SMBNtCreateAndX_Parameters(
smb_command["Parameters"])
path = self.get_share_path(conn_data,
ncax_parms["RootFid"],
recv_packet["Tid"])
log.info("[SMB] Requested share path: %s", path)
disposition = ncax_parms["Disposition"]
log.debug("[SMB] Requested disposition: %s", disposition)
# Currently we only support reading files.
if disposition != imp_smb.FILE_OPEN:
raise SmbException(STATUS_ACCESS_DENIED,
"Only support reading files")
# Check to see if the path we were given is actually a
# magic path which needs generating on the fly.
if path not in [SERVER_MAGIC, TESTS_MAGIC]:
# Pass the command onto the original handler.
return imp_smbserver.SMBCommands.smbComNtCreateAndX(conn_id,
smb_server,
smb_command,
recv_packet)
flags2 = recv_packet["Flags2"]
ncax_data = imp_smb.SMBNtCreateAndX_Data(flags=flags2,
data=smb_command[
"Data"])
requested_file = imp_smbserver.decodeSMBString(
flags2,
ncax_data["FileName"])
log.debug("[SMB] User requested file '%s'", requested_file)
if path == SERVER_MAGIC:
fid, full_path = self.get_server_path(requested_file)
else:
assert (path == TESTS_MAGIC)
fid, full_path = self.get_test_path(requested_file)
resp_parms = imp_smb.SMBNtCreateAndXResponse_Parameters()
resp_data = ""
# Simple way to generate a fid
if len(conn_data["OpenedFiles"]) == 0:
fakefid = 1
else:
fakefid = conn_data["OpenedFiles"].keys()[-1] + 1
resp_parms["Fid"] = fakefid
resp_parms["CreateAction"] = disposition
if os.path.isdir(path):
resp_parms[
"FileAttributes"] = imp_smb.SMB_FILE_ATTRIBUTE_DIRECTORY
resp_parms["IsDirectory"] = 1
else:
resp_parms["IsDirectory"] = 0
resp_parms["FileAttributes"] = ncax_parms["FileAttributes"]
# Get this file's information
resp_info, error_code = imp_smbserver.queryPathInformation(
"", full_path, level=imp_smb.SMB_QUERY_FILE_ALL_INFO)
if error_code != STATUS_SUCCESS:
raise SmbException(error_code, "Failed to query path info")
resp_parms["CreateTime"] = resp_info["CreationTime"]
resp_parms["LastAccessTime"] = resp_info[
"LastAccessTime"]
resp_parms["LastWriteTime"] = resp_info["LastWriteTime"]
resp_parms["LastChangeTime"] = resp_info[
"LastChangeTime"]
resp_parms["FileAttributes"] = resp_info[
"ExtFileAttributes"]
resp_parms["AllocationSize"] = resp_info[
"AllocationSize"]
resp_parms["EndOfFile"] = resp_info["EndOfFile"]
# Let's store the fid for the connection
# smbServer.log("Create file %s, mode:0x%x" % (pathName, mode))
conn_data["OpenedFiles"][fakefid] = {}
conn_data["OpenedFiles"][fakefid]["FileHandle"] = fid
conn_data["OpenedFiles"][fakefid]["FileName"] = path
conn_data["OpenedFiles"][fakefid]["DeleteOnClose"] = False
except SmbException as s:
log.debug("[SMB] SmbException hit: %s", s)
error_code = s.error_code
resp_parms = ""
resp_data = ""
resp_cmd = imp_smb.SMBCommand(imp_smb.SMB.SMB_COM_NT_CREATE_ANDX)
resp_cmd["Parameters"] = resp_parms
resp_cmd["Data"] = resp_data
smb_server.setConnectionData(conn_id, conn_data)
return [resp_cmd], None, error_code
def get_share_path(self, conn_data, root_fid, tid):
conn_shares = conn_data["ConnectedShares"]
if tid in conn_shares:
if root_fid > 0:
# If we have a rootFid, the path is relative to that fid
path = conn_data["OpenedFiles"][root_fid]["FileName"]
log.debug("RootFid present %s!" % path)
else:
if "path" in conn_shares[tid]:
path = conn_shares[tid]["path"]
else:
raise SmbException(STATUS_ACCESS_DENIED,
"Connection share had no path")
else:
raise SmbException(imp_smbserver.STATUS_SMB_BAD_TID,
"TID was invalid")
return path
def get_server_path(self, requested_filename):
log.debug("[SMB] Get server path '%s'", requested_filename)
if requested_filename not in [VERIFIED_REQ]:
raise SmbException(STATUS_NO_SUCH_FILE, "Couldn't find the file")
fid, filename = tempfile.mkstemp()
log.debug("[SMB] Created %s (%d) for storing '%s'",
filename, fid, requested_filename)
contents = ""
if requested_filename == VERIFIED_REQ:
log.debug("[SMB] Verifying server is alive")
contents = VERIFIED_RSP.format(pid=os.getpid())
self.write_to_fid(fid, contents)
return fid, filename
def write_to_fid(self, fid, contents):
# Write the contents to file descriptor
os.write(fid, contents)
os.fsync(fid)
# Rewind the file to the beginning so a read gets us the contents
os.lseek(fid, 0, os.SEEK_SET)
def get_test_path(self, requested_filename):
log.info("[SMB] Get reply data from 'test%s'", requested_filename)
fid, filename = tempfile.mkstemp()
log.debug("[SMB] Created %s (%d) for storing test '%s'",
filename, fid, requested_filename)
try:
contents = self.ctd.get_test_data(requested_filename)
self.write_to_fid(fid, contents)
return fid, filename
except Exception:
log.exception("Failed to make test file")
raise SmbException(STATUS_NO_SUCH_FILE, "Failed to make test file")
class SmbException(Exception):
def __init__(self, error_code, error_message):
super(SmbException, self).__init__(error_message)
self.error_code = error_code
class ScriptRC(object):
"""Enum for script return codes"""
SUCCESS = 0
FAILURE = 1
EXCEPTION = 2
class ScriptException(Exception):
pass
def get_options():
parser = argparse.ArgumentParser()
parser.add_argument("--port", action="store", default=9017,
type=int, help="port to listen on")
parser.add_argument("--verbose", action="store", type=int, default=0,
help="verbose output")
parser.add_argument("--pidfile", action="store",
help="file name for the PID")
parser.add_argument("--logfile", action="store",
help="file name for the log")
parser.add_argument("--srcdir", action="store", help="test directory")
parser.add_argument("--id", action="store", help="server ID")
parser.add_argument("--ipv4", action="store_true", default=0,
help="IPv4 flag")
return parser.parse_args()
def setup_logging(options):
"""
Set up logging from the command line options
"""
root_logger = logging.getLogger()
add_stdout = False
formatter = logging.Formatter("%(asctime)s %(levelname)-5.5s %(message)s")
# Write out to a logfile
if options.logfile:
handler = logging.FileHandler(options.logfile, mode="w")
handler.setFormatter(formatter)
handler.setLevel(logging.DEBUG)
root_logger.addHandler(handler)
else:
# The logfile wasn't specified. Add a stdout logger.
add_stdout = True
if options.verbose:
# Add a stdout logger as well in verbose mode
root_logger.setLevel(logging.DEBUG)
add_stdout = True
else:
root_logger.setLevel(logging.INFO)
if add_stdout:
stdout_handler = logging.StreamHandler(sys.stdout)
stdout_handler.setFormatter(formatter)
stdout_handler.setLevel(logging.DEBUG)
root_logger.addHandler(stdout_handler)
if __name__ == '__main__':
# Get the options from the user.
options = get_options()
# Setup logging using the user options
setup_logging(options)
# Run main script.
try:
rc = smbserver(options)
except Exception as e:
log.exception(e)
rc = ScriptRC.EXCEPTION
log.info("[SMB] Returning %d", rc)
sys.exit(rc)