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import errno
import hashlib
from leapp.libraries.stdlib import api
VSFTPD_CONFIG_DIR = '/etc/vsftpd'
VSFTPD_DEFAULT_CONFIG_PATH = '/etc/vsftpd/vsftpd.conf'
STRICT_SSL_READ_EOF = 'strict_ssl_read_eof'
TCP_WRAPPERS = 'tcp_wrappers'
def read_file(path):
"""
Read a file in text mode and return the contents.
:param path: File path
"""
with open(path, 'r') as f:
return f.read()
def get_config_contents(path, read_func=read_file):
"""
Try to read a vsftpd configuration file
Try to read a vsftpd configuration file, log a warning if an error happens.
:param path: File path
:param read_func: Function to use to read the file. This is meant to be overridden in tests.
:return: File contents or None, if the file could not be read
"""
try:
return read_func(path)
except IOError as e:
if e.errno != errno.ENOENT:
api.current_logger().warning('Failed to read vsftpd configuration file: %s' % e)
return None
def get_default_config_hash(read_func=read_file):
"""
Read the default vsftpd configuration file (/etc/vsftpd/vsftpd.conf) and return its hash.
:param read_func: Function to use to read the file. This is meant to be overridden in tests.
:return SHA1 hash of the configuration file, or None if the file could not be read.
"""
content = get_config_contents(VSFTPD_DEFAULT_CONFIG_PATH, read_func=read_func)
if content is None:
return None
content = content.encode(encoding='utf-8')
h = hashlib.sha1(content)
return h.hexdigest()