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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 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.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.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#
import difflib
import filecmp
import logging
import os
import pytest
from testenv import Env, CurlClient, Sshd
log = logging.getLogger(__name__)
@pytest.mark.skipif(condition=not Env.curl_has_protocol('sftp'), reason="curl built without sfto:")
@pytest.mark.skipif(condition=not Env.has_sftpd(), reason="missing sftp server")
class TestSftp:
@pytest.fixture(autouse=True, scope='class')
def _class_scope(self, env, sshd):
env.make_data_file(indir=sshd.home_dir, fname="data-10k", fsize=10*1024)
env.make_data_file(indir=sshd.home_dir, fname="data-10m", fsize=10*1024*1024)
env.make_data_file(indir=env.gen_dir, fname="data-10k", fsize=10*1024)
env.make_data_file(indir=env.gen_dir, fname="data-10m", fsize=10*1024*1024)
def test_51_01_insecure(self, env: Env, sshd: Sshd):
curl = CurlClient(env=env)
doc_file = os.path.join(sshd.home_dir, 'data')
url = f'sftp://{env.domain1}:{sshd.port}/{doc_file}'
r = curl.ssh_download(urls=[url], extra_args=[
'--insecure',
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(0)
def test_51_02_unknown_hosts(self, env: Env, sshd: Sshd):
curl = CurlClient(env=env)
doc_file = os.path.join(sshd.home_dir, 'data')
url = f'sftp://{env.domain1}:{sshd.port}/{doc_file}'
r = curl.ssh_download(urls=[url], extra_args=[
'--knownhosts', sshd.unknown_hosts,
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(60) # CURLE_PEER_FAILED_VERIFICATION
def test_51_03_known_hosts(self, env: Env, sshd: Sshd):
curl = CurlClient(env=env)
doc_file = os.path.join(sshd.home_dir, 'data')
url = f'sftp://{env.domain1}:{sshd.port}/{doc_file}'
r = curl.ssh_download(urls=[url], extra_args=[
'--knownhosts', sshd.known_hosts,
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(0)
# use key not in authorized_keys file
def test_51_04_unauth_user(self, env: Env, sshd: Sshd):
curl = CurlClient(env=env)
doc_file = os.path.join(sshd.home_dir, 'data')
url = f'sftp://{env.domain1}:{sshd.port}/{doc_file}'
r = curl.ssh_download(urls=[url], extra_args=[
'--knownhosts', sshd.known_hosts,
'--pubkey', sshd.user2_pubkey_file,
'--key', sshd.user2_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(67) # CURLE_LOGIN_DENIED
def test_51_10_dl_single(self, env: Env, sshd: Sshd):
count = 1
curl = CurlClient(env=env)
doc_file = os.path.join(sshd.home_dir, 'data-10k')
url = f'sftp://{env.domain1}:{sshd.port}/{doc_file}?[0-{count-1}]'
r = curl.ssh_download(urls=[url], extra_args=[
'--knownhosts', sshd.known_hosts,
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(0)
self.check_downloads(curl, doc_file, count)
def test_51_11_dl_serial(self, env: Env, sshd: Sshd):
count = 5
curl = CurlClient(env=env)
doc_file = os.path.join(sshd.home_dir, 'data-10k')
url = f'sftp://{env.domain1}:{sshd.port}/{doc_file}?[0-{count-1}]'
r = curl.ssh_download(urls=[url], extra_args=[
'--knownhosts', sshd.known_hosts,
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(0)
self.check_downloads(curl, doc_file, count)
def test_51_12_dl_parallel(self, env: Env, sshd: Sshd):
count = 5
curl = CurlClient(env=env)
doc_file = os.path.join(sshd.home_dir, 'data-10k')
url = f'sftp://{env.domain1}:{sshd.port}/{doc_file}?[0-{count-1}]'
r = curl.http_download(urls=[url], extra_args=[
'--parallel',
'--knownhosts', sshd.known_hosts,
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(0)
self.check_downloads(curl, doc_file, count)
def test_51_20_ul_single(self, env: Env, sshd: Sshd):
srcfile = os.path.join(env.gen_dir, 'data-10k')
destfile = os.path.join(sshd.home_dir, 'upload_20.data')
curl = CurlClient(env=env)
url = f'sftp://{env.domain1}:{sshd.port}/{destfile}'
r = curl.ssh_upload(urls=[url], fupload=srcfile, extra_args=[
'--knownhosts', sshd.known_hosts,
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(0)
self.check_upload(sshd, srcfile, destfile)
def test_51_21_ul_serial(self, env: Env, sshd: Sshd):
count = 5
srcfile = os.path.join(env.gen_dir, 'data-10k')
destfile = os.path.join(sshd.home_dir, 'upload_21.data')
curl = CurlClient(env=env)
url = f'sftp://{env.domain1}:{sshd.port}/{destfile}.[0-{count-1}]'
r = curl.ssh_upload(urls=[url], fupload=srcfile, extra_args=[
'--knownhosts', sshd.known_hosts,
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(0)
for i in range(count):
self.check_upload(sshd, srcfile, f'{destfile}.{i}')
def test_51_22_ul_parallel(self, env: Env, sshd: Sshd):
count = 5
srcfile = os.path.join(env.gen_dir, 'data-10k')
destfile = os.path.join(sshd.home_dir, 'upload_22.data')
curl = CurlClient(env=env)
url = f'sftp://{env.domain1}:{sshd.port}/{destfile}.[0-{count-1}]'
r = curl.ssh_upload(urls=[url], fupload=srcfile, extra_args=[
'--parallel',
'--knownhosts', sshd.known_hosts,
'--pubkey', sshd.user1_pubkey_file,
'--key', sshd.user1_privkey_file,
'--user', f'{os.environ["USER"]}:',
])
r.check_exit_code(0)
for i in range(count):
self.check_upload(sshd, srcfile, f'{destfile}.{i}')
def check_downloads(self, client, srcfile: str, count: int,
complete: bool = True):
for i in range(count):
dfile = client.download_file(i)
assert os.path.exists(dfile)
if complete and not filecmp.cmp(srcfile, dfile, shallow=False):
diff = "".join(difflib.unified_diff(a=open(srcfile).readlines(),
b=open(dfile).readlines(),
fromfile=srcfile,
tofile=dfile,
n=1))
assert False, f'download {dfile} differs:\n{diff}'
def check_upload(self, sshd: Sshd, srcfile, destfile, binary=True):
assert os.path.exists(srcfile)
assert os.path.exists(destfile)
if not filecmp.cmp(srcfile, destfile, shallow=False):
diff = "".join(difflib.unified_diff(a=open(srcfile).readlines(),
b=open(destfile).readlines(),
fromfile=srcfile,
tofile=destfile,
n=1))
assert not binary and len(diff) == 0, f'upload {destfile} differs:\n{diff}'
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