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#! /usr/bin/python
# Original pure-config.py by Frank Denis <j at pureftpd dot org>
# Copyright 2001 by Joshua Rodman <joshua_rodman at yahoo dot com>,
# Modifications Copyright 2001-2009 by Matthias Andree
#
# All Rights Reserved
#
# Permission to use, copy, modify, and distribute this software
# in original or modified form for any purpose and without fee
# is hereby granted, provided that the above copyright notice
# appear in all copies.
#
# Joshua Rodman DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
# SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
# AND FITNESS, IN NO EVENT SHALL Joshua Rodman BE LIABLE FOR
# ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
"""Pure-FTPd configuration parser.
Parse pure-ftpd configuration file to options.
If run directly, execute the program.
"""
import re
import os
import sys
# autoconf stuff
if '/usr/sbin'[0] == '/':
pureftpd = '/usr/sbin/pure-ftpd'
else:
pureftpd = '/usr/sbin/pure-ftpd'
argv = sys.argv[1:]
try:
conffile = argv.pop(0)
except IndexError:
print("Usage:", sys.argv[0], "<configuration file> [extra options]")
sys.exit(1)
comment = re.compile("[ ]*#+.*")
# option_tuple members are lists as follows:
# 0 - case insensitive regex to match
# 1 - flag to use
# remaining - 'None' are placeholders for items matched by the regex
# the matched items and literal strings are concatenated
# into a literal option which follows the flag
option_tuple = (
["IPV4Only[\s]+yes", "-4" ],
["IPV6Only[\s]+yes", "-6" ],
["FileSystemCharset\s+(\S+)", "-8", None ],
["ClientCharset\s+(\S+)", "-9", None ],
["ChrootEveryone[\s]+yes", "-A" ],
["TrustedGID[\s]+([\d]+)", "-a", None ],
["BrokenClientsCompatibility[\s]+yes", "-b" ],
["MaxClientsNumber\s+(\d+)", "-c", None ],
["Daemonize\s+yes", "-B" ],
["MaxClientsPerIP\s+(\d+)", "-C", None ],
["VerboseLog\s+yes", "-d" ],
["DisplayDotFiles\s+yes", "-D" ],
["AnonymousOnly\s+yes", "-e" ],
["MaxDiskUsage\s+(\d+)", "-k", None ],
["NoAnonymous\s+yes", "-E" ],
["SyslogFacility\s+(\S+)", "-f", None ],
["FortunesFile\s+(\S+)", "-F", None ],
["DontResolve\s+yes", "-H" ],
["MaxIdleTime\s+(\d+)", "-I", None ],
["LDAPConfigFile\s+(\S+)", "-l", "ldap:", None ],
["MySQLConfigFile\s+(\S+)", "-l", "mysql:", None ],
["PGSQLConfigFile\s+(\S+)", "-l", "pgsql:", None ],
["PureDB\s+(\S+)", "-l", "puredb:", None ],
["ExtAuth\s+(\S+)", "-l", "extauth:",None ],
["PAMAuthentication\s+yes", "-l", "pam" ],
["UnixAuthentication\s+yes", "-l", "unix" ],
["LimitRecursion\s+(\d+)\s+(\d+)", "-L", None, ":", None ],
["AnonymousCanCreateDirs\s+yes", "-M" ],
["MaxLoad\s+(\d+)", "-m", None ],
["NATmode\s+yes", "-N" ],
["CallUploadScript\s+yes", "-o" ],
["PassivePortRange\s+(\d+)\s+(\d+)", "-p", None, ":", None ],
["ForcePassiveIP\s+(\S+)", "-P", None ],
["AnonymousRatio\s+(\d+)\s+(\d+)", "-q", None, ":", None ],
["UserRatio\s+(\d+)\s+(\d+)", "-Q", None, ":", None ],
["AntiWarez\s+yes", "-s" ],
["Bind\s+(\S+)", "-S", None ],
["AnonymousBandwidth\s+([:0-9]+)", "-t", None ],
["UserBandwidth\s+([:0-9]+)", "-T", None ],
["Quota\s+([:0-9]+)", "-n", None ],
["Umask\s+(\d+):(\d+)", "-U", None, ":", None ],
["MinUID\s+(\d+)", "-u", None ],
["AllowUserFXP\s+yes", "-w" ],
["AllowAnonymousFXP\s+yes", "-W" ],
["ProhibitDotFilesWrite\s+yes", "-x" ],
["ProhibitDotFilesRead\s+yes", "-X" ],
["AllowDotFiles\s+yes", "-z" ],
["AutoRename\s+yes", "-r" ],
["AnonymousCantUpload\s+yes", "-i" ],
["TrustedIP\s+(\S+)", "-V", None ],
["LogPID\s+yes", "-1" ],
["AltLog\s+(\S+)", "-O", None ],
["NoChmod\s+yes", "-R" ],
["KeepAllFiles\s+yes", "-K" ],
["CreateHomeDir\s+yes", "-j" ],
["NoRename\s+yes", "-G" ],
["CustomerProof\s+yes", "-Z" ],
["NoTruncate\s+yes", "-0" ],
["PIDFile\s+(\S+)", "-g", None ],
["TLSCipherSuite\s+(\S+)", "-J", None ],
["PerUserLimits\s+([:0-9]+)", "-y", None ],
["CertFile\s+(\S+)", "-2", None ],
["TLS\s+(\d)", "-Y", None ])
for option in option_tuple:
option[0] = re.compile(option[0], re.IGNORECASE)
def build_argument(match, controls):
"""construct an argument string
match: a match object containing argument values
controls: a list controlling the format of the argument
Return parameter as string"""
argument = ""
value = 1
for control in controls:
if control:
# concat the literal string
argument = argument + control
else:
# concat a value
argument = argument + match.group(value)
value = value + 1
return argument
def parse(file_obj):
"""parse/extract a pure-ftpd configuration
file_obj: a readlines() capable object containing the configurion
Returns list of arguments as appropriate for exec()"""
args = [pureftpd]
for line in file_obj.readlines():
if comment.search(line):
continue
for option in option_tuple:
match = option[0].search(line)
if match:
args.append(option[1])
if len(option) <= 2:
# The option takes no argument
continue
argument = build_argument(match, option[2:])
args.append(argument)
return args
def parse_filename(filename=conffile):
"""parse/extract a pure-ftpd from a named file
filename: text path to file
Returns list of arguments as appropriate for exec()"""
file_obj = open(filename)
return parse(file_obj)
if __name__ == '__main__':
args = parse_filename()
if os.isatty(1):
print("Running:", args + argv)
os.execv(pureftpd, args + argv)
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