dput 0.9.6.4+deb8u1 / usr / bin / dput

#!/usr/bin/python
# dput - debian package upload tool
# (c) 2000,2001,2002,2003,2004,2005 Christian Kurz <shorty@debian.org>
# (c) 2006,2007,2008 Thomas Viehmann <tv@beamnet.de>
# (c) 2008,2009 Y Giridhar Appaji Nag <appaji@debian.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import os, sys, string, re, glob, signal
import pwd, stat, rfc822
from hashlib import md5, sha1

# Now import our modules
import ConfigParser

sys.path.insert(0,'/usr/share/dput/helper')
import dputhelper

dput_version = "dput 0.9.6"

config = None
upload_methods = {}
files_to_upload = []
simulate = unsigned_upload = delay_upload = 0
debug = dinstall = check_only = 0
config_file = ''

dput_modules = ('')

# Function to import files from the /usr/share/dput and make them available
# to this script
def import_upload_functions():
    files_to_import = glob.glob('/usr/share/dput/*.py')
    for file in files_to_import:
        if debug: print "D: File: %s" % file
        base = os.path.basename(file)
        if len(dput_modules) != 0:
            if base not in dput_modules:
                base = os.path.splitext(base)[0]
        else:
            base = os.path.splitext(base)[0]
        if debug: print "D: Base: %s" % base
        d = {}
        try:
            exec open(file) in d
            if debug: print "Imported: %s" % file
        except IOError:
            print "Couldn't import %s" % file
            continue
        register_upload_function(base, d['upload'])

# add function to upload_methods dictionary using key of name
def register_upload_function(name, function):
    global upload_methods

    upload_methods[name] = function

# parse the changes file
def parse_changes(chg_fd):
    check = chg_fd.read(5)
    if check != '-----':
        chg_fd.seek(0)
    else: # found a PGP header, gonna ditch the next 3 lines
        chg_fd.readline() # eat the rest of the line
        chg_fd.readline() # Hash: SHA1
        chg_fd.readline() # empty line
    if not chg_fd.readline().find('Format') != -1:
        chg_fd.readline()
    changes = rfc822.Message(chg_fd)
    for a in changes.dict['files'].split('\n'):
      if len(a.split()) != 5:
        print >> sys.stderr, "Invalid Files line in .changes:\n  %s"%a
        sys.exit(1)
    return changes

# read configs in this order:
#   if specified on the command line, only read extra_config
#   otherwise, read /etc/dput.cf then ~/.dput.cf
# the config parser will layer values
def read_configs(extra_config, debug):
    global config

    config = ConfigParser.ConfigParser()

    config.set('DEFAULT', 'login', 'username')
    config.set('DEFAULT', 'method', 'scp')
    config.set('DEFAULT', 'hash', 'md5')
    config.set('DEFAULT', 'allow_unsigned_uploads', '0')
    config.set('DEFAULT', 'allow_dcut', '0')
    config.set('DEFAULT', 'distributions', '')
    config.set('DEFAULT', 'allowed_distributions', '')
    config.set('DEFAULT', 'run_lintian', '0')
    config.set('DEFAULT', 'run_dinstall', '0')
    config.set('DEFAULT', 'check_version', '0')
    config.set('DEFAULT', 'scp_compress', '0')
    config.set('DEFAULT', 'default_host_main', '')
    config.set('DEFAULT', 'post_upload_command', '')
    config.set('DEFAULT', 'pre_upload_command', '')
    config.set('DEFAULT', 'ssh_config_options', '')
    config.set('DEFAULT', 'passive_ftp', '1')
    config.set('DEFAULT', 'progress_indicator', '0')
    config.set('DEFAULT', 'delayed', '')

    if extra_config:
        config_files = (extra_config,)
    else:
        config_files = ('/etc/dput.cf', os.path.expanduser("~/.dput.cf"))
    fd = None
    for config_file in config_files:
        try:
            fd = open(config_file)
        except IOError, e:
            if debug:
                print >> sys.stderr, '%s: %s, skipping' % (e[1], config_file)
            continue
        if debug: print "D: Parsing Configuration File %s" % config_file
        try:
            config.readfp(fd)
        except ConfigParser.ParsingError, e:
            print >> sys.stderr, "Error parsing config file:\n%s"%str(e)
            sys.exit(1)
        fd.close()
    if fd == None:
        print >> sys.stderr, 'Error: Could not open any configfile, tried %s' % \
              (', '.join(config_files))
        sys.exit(1)
    # only check for fqdn and incoming dir, rest have reasonable defaults
    error = 0
    for section in config.sections():
      if config.get (section,'method') == 'local':
        config.set(section,'fqdn','localhost')
      if not config.has_option(section, 'fqdn') and \
             config.get(section, 'method') != 'local':
        print >> sys.stderr, 'Config error: %s must have a fqdn set' % section
        error = 1
      if not config.has_option(section, 'incoming'):
        print >> sys.stderr, 'Config error: %s must have an incoming directory set' % \
              section
        error = 1
    if error:
      sys.exit(1)
    
# Convert a hex string into readable characters.
hexStr = string.hexdigits
def hexify_string(string):
    char = ''
    for c in string:
        char = char + hexStr[(ord(c) >> 4) & 0xF] + hexStr[ord(c) & 0xF]
    return char

# Function to generatea checksum for a file.
# Currently supports md5, sha1. ripemd may come in the future.
def checksum_test(filename,hash):
    try:
        file_to_test = open(filename, 'r')
    except IOError:
        print "Can't open %s" % filename
        sys.exit(1)

    if hash == 'md5':
        hash_type = md5
    else:
        hash_type = sha1

    check_obj = hash_type()

    while 1:
        data = file_to_test.read(65536)
        if len(data) == 0: break
        check_obj.update(data)

    file_to_test.close()
    checksum = hexify_string(check_obj.digest())

    return checksum

# Verify the GnuPG signature on a file.
def check_signature(filename):
    if os.access(filename, os.R_OK):
        if os.access("/usr/bin/gpg", os.X_OK):
            stream = os.popen("/usr/bin/gpg --status-fd 1 --verify --batch %s" % filename).read()
            if stream.count('[GNUPG:] GOODSIG'):
                print "Good signature on %s." % filename
            elif stream.count('[GNUPG:] BADSIG'):
                print "Bad signature on %s." % filename
                sys.exit(1)
            elif stream.count('[GNUPG:] ERRSIG'):
                print "Error verifying signature on %s." % filename
                sys.exit(1)
            elif stream.count('[GNUPG:] NODATA'):
                print "No signature on %s." % filename
                sys.exit(1)
            else:
                print "Error in finding signature verification status."
        else:
            print "Can't verify signature on %s without GnuPG" % filename
            print "If you are still using PGP, please read this:"
            print "http://www.gnupg.org/gph/en/pgp2x.html"
            sys.exit(1)
    else:
        print "Can't read %s" % filename
        sys.exit(1)

# Check if this is a binary_upload only or not.
def check_upload_variant(changes, debug):
    binary_upload = 0
    if changes.dict.has_key('architecture'):
        arch = changes.dict['architecture']
        if debug: print "D: Architecture: %s" % arch
        if arch.find('source') < 0:
            if debug:
                print "D: Doing a binary upload only."
            binary_upload = 1
    return binary_upload

# Check the signature on the two files given via function call.
def verify_signature(host, changes_file, dsc_file, check_only, debug,
                     unsigned_upload, binary_upload):

    if debug:
        print "D: .changes-File: %s" % changes_file
        print "D: .dsc-File: %s" % dsc_file
    if ((check_only or config.getboolean(host, 'allow_unsigned_uploads') == 0)
        and unsigned_upload == 0):
        print "Checking signature on .changes"
        check_signature(changes_file)
        if not binary_upload:
            print "Checking signature on .dsc"
            check_signature(dsc_file)

# Check if an orig.tar.gz or tar.gz has to be included in the package or not.
def source_check(changes, debug):
    include_orig = include_tar = 0
    if changes.dict.has_key('version'):
        version = changes.dict['version']
        if debug: print "D: Package Version: %s" % version
        # versions with a dash in them are for non-native only
        if version.find('-') == -1: # debian native
            include_tar = 1
        else:
            if version.find(':') > 0:
                if debug: print "D: Epoch found"
                epoch, version = version.split(':', 1)
            pos = version.rfind('-')
            upstream_version = version[0:pos]
            debian_version = version[pos+1:]
            if debug:
                print "D: Upstream Version: %s" % upstream_version
                print "D: Debian Version: %s" % debian_version
            if debian_version == '0.1' or debian_version == '1' \
               or debian_version == '1.1':
                include_orig = 1
            else:
                include_tar = 1
    return (include_orig, include_tar)

# Run some tests on the files before uploading them to 
# verify that they are in good shape.
def verify_files(path, filename, host, check_only, check_version,
                 unsigned_upload, debug):
    file_seen = include_orig_tar_gz = include_tar_gz = binary_only = 0

    name_of_file = filename
   
    change_file = os.path.join(path, name_of_file)

    if debug:
        print "D: Validating contents of changes file %s" % change_file
    try:
        chg_fd = open(change_file, 'r')
    except IOError:
        print "Can't open %s" % change_file
        sys.exit(1)
    changes = parse_changes(chg_fd)
    chg_fd.close

    # Find out if it's a binary only upload or not
    binary_upload = check_upload_variant(changes, debug)

    if binary_upload:
        dsc_file = ''
    else:
        dsc_file = None
        for file in changes.dict['files'].split('\n'):
            filename = string.split(file)[4] # filename only
            if filename.find('.dsc') != -1:
                if debug:
                    print "D: dsc-File: %s" % filename
                dsc_file = os.path.join(path, filename)
        if not dsc_file:
          print >> sys.stderr, "Error: no dsc file found in sourceful upload"
          sys.exit(1)

    # Run the check to verify that the package has been tested.
    try:
        if config.getboolean(host, 'check_version') == 1 or check_version:
            version_check (path, changes, debug)
    except ConfigParser.NoSectionError, e:
        print >> sys.stderr, "Error in config file:\n%s" % str(e)
        sys.exit(1)

    # Verify the signature of the maintainer
    verify_signature(host, change_file, dsc_file, check_only, debug,\
        unsigned_upload, binary_upload)

    # Check the sources
    (include_orig_tar_gz, include_tar_gz) = source_check(changes, debug)

    # Check md5sum and the size
    file_list = changes.dict['files'].split('\n')
    hash_to_use = config.get('DEFAULT','hash')
    for line in file_list:
        (check_sum, size, section, priority, file) = line.split()
        file_to_upload = os.path.join(path, file)
        if debug:
            print "D: File to upload: %s" % file_to_upload
        if checksum_test(file_to_upload,hash_to_use) != check_sum:
            if debug:
                print "D: Checksum from .changes: %s" % check_sum
                print "D: Generated Checksum: %s" % \
                      checksum_test(file_to_upload,hash_to_use)
            print "Checksum doesn't match for %s" % file_to_upload
            sys.exit(1)
        else:
            if debug: print "D: Checksum for %s is fine" % file_to_upload
        if os.stat(file_to_upload)[stat.ST_SIZE] != int(size):
            if debug:
                print "D: size from .changes: %s" % size
                print "D: calculated size: %s" % \
                    os.stat(file_to_upload)[stat.ST_SIZE]
            print "size doesn't match for %s" % file_to_upload
        
        files_to_upload.append(file_to_upload)
    
    # Check filenames
    for file in files_to_upload:
        if file[-12:] == '.orig.tar.gz' and not include_orig_tar_gz:
            if debug:
                print "D: Filename: %s" % file
                print "D: Suffix: %s" % file[-12:]
            print "Package includes an .orig.tar.gz file although the debian revision suggests"
            print "that it might not be required. Multiple uploads of the .orig.tar.gz may be"
            print "rejected by the upload queue management software."
        elif file[-7:] == '.tar.gz' and not include_tar_gz \
            and not include_orig_tar_gz:
            if debug:
                print "D: Filename: %s" % file
                print "D: Suffix: %s" % file[-7:]
            print "Package includes a .tar.gz file although the version suggests that it might"
            print "not be required. Multiple uploads of the .tar.gz may be rejected by the"
            print "upload queue management software."

    distribution = changes.get('distribution')
    allowed_distributions = config.get(host, 'allowed_distributions')
    if distribution and allowed_distributions:
        if debug:
            print "D: Checking: distribution %s matches %s" % (distribution, allowed_distributions)
        if not re.match(allowed_distributions, distribution):
            raise dputhelper.DputUploadFatalException("Error: uploading files for distribution %s to %s not allowed."%(distribution, host))

    if debug:
        print "D: File to upload: %s" % change_file
    files_to_upload.append(change_file)

# Print the configuration and exit.
def print_config(config, debug):
    print
    config.write(sys.stdout)
    print

# Write a logfile of the upload and call it .upload
def create_upload_file(package, host, path, files_to_upload, debug):
    base = os.path.splitext(package)[0] # only need first part
    logfile_name = os.path.join(path, base + '.' + host + '.upload')
    if config.get(host, 'method') == 'local':
        fqdn = 'localhost'
    else:
        fqdn = config.get(host, 'fqdn')
    if debug:
        print "D: Writing logfile: %s" % logfile_name
    try:
        if os.access(logfile_name, os.R_OK):
            logfile_fd = open(logfile_name, 'a')
        else:
            logfile_fd = open(logfile_name, 'w')
    except IOError:
        print >> sys.stderr, "Could not write %s"%logfile_name
        sys.exit(1)

    for file in files_to_upload:
        entry_for_logfile = 'Successfully uploaded ' + os.path.basename(file) + \
            ' to ' + fqdn + ' for ' + host + '.\n'
        logfile_fd.write(entry_for_logfile)
    logfile_fd.close()
        
# Run lintian on the changes file and stop if it finds errors.
def run_lintian_test(changes_file):
    if os.access(changes_file, os.R_OK):
        if os.access("/usr/bin/lintian", os.R_OK):
            old_signal = signal.signal(signal.SIGPIPE, signal.SIG_DFL)
            print "Package is now being checked with lintian."
            if dputhelper.spawnv(os.P_WAIT, "/usr/bin/lintian",
                  ['lintian', '-i', changes_file]):
                print 
                print "Lintian says this package is not compliant" +\
                    " with the current policy."
                print "Please check the current policy and your package."
                print "Also see lintian documentation about overrides."
                sys.exit(1)
            else:
                signal.signal(signal.SIGPIPE, old_signal)
                return 0
        else:
            print "lintian is not installed, skipping package test."
    else:
        print "Can't read %s" % changes_file
        sys.exit(1)
    
# Guess the host where the package should be uploaded to. This is based
# on information from the changes file.
def guess_upload_host(path, filename):
    non_us = 0
    distribution = ""
    dist_re = re.compile(r'^Distribution: (.*)')

    name_of_file = filename
    changes_file = os.path.join(path, name_of_file)
    
    try:
        changes_file_fd = open(changes_file, 'r')
    except IOError:
        print "Can't open %s" % changes_file
        sys.exit(1)
    lines = changes_file_fd.readlines()
    for line in lines:
        match = dist_re.search(line)
        if match:
            distribution = match.group(1)

    # Try to guess a host based on the Distribution: field
    if distribution:
        for section in config.sections():
            host_dists = config.get(section, 'distributions')
            if not host_dists:
                continue
            for host_dist in host_dists.split(','):
                if distribution == host_dist.strip():
                    if debug:
                        print "D: guessing host %s based on distribution %s" % (section, host_dist)
                    return section

    if len(config.get('DEFAULT', 'default_host_main')) != 0:
      print "Trying to upload package to %s" % config.get('DEFAULT',
                                                     'default_host_main')
      return config.get('DEFAULT', 'default_host_main')
    else:
      print "Trying to upload package to ftp-master (ftp.upload.debian.org)"
      return "ftp-master"

# Run dinstall in test-mode and present the output to the user so that
# he can see if his package would be installed or not.
def dinstall_caller(filename, host, login, incoming, debug):
    command = ['ssh', '%s@%s' % (login, config.get(host, 'fqdn')),
           'cd', '%s' % incoming,
           ';', 'dinstall', '-n', '%s' % filename]
    if debug:
        print "D: Logging into %s@%s:%s" % (login, host, incoming)
        print "D: dinstall -n %s" % filename
    if config.getboolean(host, 'run_dinstall') == 1 or dinstall:
        if dputhelper.spawnv(os.P_WAIT, '/usr/bin/ssh', command):
            print "Error occured while trying to connect, or while " +\
                  "attempting to run dinstall."
            sys.exit(1)

# Check if the caller has installed the package also on his system
# for testing purposes before uploading it. If not, we reject the upload.
def version_check(path, changes, debug):
    files_to_check = []

    # Get arch
    dpkg_stdin,dpkg_stdout,dpkg_stderr = os.popen3('dpkg --print-architecture')
    dpkg_stdin.close()
    dpkg_architecture = dpkg_stdout.read().strip()
    dpkg_stdout.close()
    dpkg_stderr_output = dpkg_stderr.read()
    dpkg_stderr.close()
    if debug and dpkg_stderr_output:
      print "D: dpkg-architecture stderr output:",repr(dpkg_stderr_output)
    if debug:
      print "D: detected architecture: '%s'"%dpkg_architecture
    
    # Get filenames of deb files:
    for file in changes.dict['files'].split('\n'):
        filename = os.path.join(path, string.split(file)[4])
        if filename.endswith('.deb'):
            if debug:
                print "D: Debian Package: %s" % filename
            dpkg_stdin,dpkg_stdout,dpkg_stderr = os.popen3('dpkg --field %s' % filename)
            dpkg_stdin.close()
            dpkg_output = rfc822.Message(dpkg_stdout)
            dpkg_stdout.close()
            dpkg_stderr_output = dpkg_stderr.read()
            dpkg_stderr.close()
            if debug and dpkg_stderr_output:
              print "D: dpkg stderr output:",repr(dpkg_stderr_output)
            if dpkg_architecture and dpkg_output['architecture'] not in ['all',dpkg_architecture]:
              if debug:
                print "D: not install-checking %s due to arch mismatch"%filename
            else:
              package_name = dpkg_output['package']
              version_number = dpkg_output['version']
              if debug: print "D: Package to Check: %s" % package_name
              if debug: print "D: Version to Check: %s" % version_number
              files_to_check.append((package_name,version_number))
    
    for file,version_to_check in files_to_check:
        if debug: print "D: Name of Package: %s" % file
        dpkg_stdin,dpkg_stdout,dpkg_stderr = os.popen3('dpkg -s %s' % file)
        dpkg_stdin.close()
        dpkg_output = rfc822.Message(dpkg_stdout)
        dpkg_stdout.close()
        dpkg_stderr_output = dpkg_stderr.read()
        dpkg_stderr.close()
        if debug and dpkg_stderr_output:
            print "D: dpkg stderr output:",repr(dpkg_stderr_output)
        if dpkg_output.has_key('version'):
            installed_version = dpkg_output.dict['version']
            if debug: print "D: Installed-Version: %s" % installed_version
            if debug: print "D: Check-Version: %s" % \
               version_to_check
            if installed_version != version_to_check:
              print "Package to upload is not installed, but it appears " +\
                    "you have an older version installed."    
        else:
          print "Uninstalled Package. Test it before uploading it."
          sys.exit(1)

# Run a command that the user-defined in the config_file.
def execute_command(host, debug, type):
    lookup_command = type + '_upload_command'
    if debug: print "D: Command: %s" % config.get(host, lookup_command)
    if os.system(config.get(host, lookup_command)):
        raise dputhelper.DputUploadFatalException("Error: %s upload command failed."%type)

# Open a Logfile and check if the user already put
# this package on the specified host or not:
def check_upload_logfile(changes_file, host, check_only,
                         call_lintian, force_upload, debug):
    uploaded = 0
    upload_logfile = changes_file[:-8] + '.' + host + '.upload'
    if not check_only and not force_upload:
        if not os.path.exists(upload_logfile):
            return
        try:
            fd_logfile = open(upload_logfile)
        except IOError:
            print "Couldn't open %s" % upload_logfile
            sys.exit(1)
        for line in fd_logfile.readlines():
            if config.get(host, 'method') == 'local':
                fqdn = 'localhost'
            else:
                fqdn = config.get(host, 'fqdn')
            if line.find(fqdn) != -1:
                uploaded = 1
        if uploaded:
            print "Package has already been uploaded to %s on %s" % (host, fqdn)
            print "Nothing more to do for %s" % changes_file
            sys.exit(0)

# Help Message to print
USAGE = """Usage: dput [options] [host] <package(s).changes>
 Supported options (see man page for long forms):
   -c: Config file to parse.
   -d: Enable debug messages.
   -D: Run dinstall after upload.
   -e: Upload to a delayed queue. Takes an argument from 0 to 15.
   -f: Force an upload.
   -h: Display this help message.
   -H: Display a list of hosts from the config file.
   -l: Run lintian before upload.
   -U: Do not write a .upload file after uploading.
   -o: Only check the package.
   -p: Print the configuration.
   -P: Use passive mode for ftp uploads.
   -s: Simulate the upload only.
   -u: Don't check GnuPG signature.
   -v: Display version information.
   -V: Check the package version and then upload it.
"""

# Main function, no further comment needed. :)
def main():
    global simulate 
    global debug
    global check_only
    global dinstall
    global unsigned_upload
    global config_file
    global delay_upload

    check_version = config_print = force_upload = \
    call_lintian = no_upload_log = config_host_list = 0
    ftp_passive_mode = 0
    preferred_host = ''

    # Parse Command Line Options.
    (opts, args) = dputhelper.getopt(sys.argv[1:],
                            'c:dDe:fhHlUopPsuvV',
                            ['debug', 'dinstall', 'check-only',
                            'check-version', 'config=', 'force', 'help',
                            'host-list', 'lintian', 'no-upload-log',
                            'passive', 'print', 'simulate', 'unchecked',
                            'delayed=', 'version'])
    for option, arg in opts:
        if option in ('-h', '--help'):
            print USAGE
            return
        elif option in ('-v', '--version'):
            print dput_version
            return
        elif option in ('-d', '--debug'):
            debug = 1
        elif option in ('-D', '--dinstall'):
            dinstall = 1
        elif option in ('-c', '--config'):
            config_file = arg   
        elif option in ('-f', '--force'):
            force_upload = 1
        elif option in ('-H', '--host-list'):
            config_host_list = 1
        elif option in ('-l', '--lintian'):
            call_lintian = 1
        elif option in ('-U', '--no-upload-log'):
            no_upload_log = 1
        elif option in ('-o', '--check-only'):
            check_only = 1
        elif option in ('-p', '--print'):
            config_print = 1
        elif option in ('-P', '--passive'):
            ftp_passive_mode = 1
        elif option in ('-s', '--simulate'):
            simulate = 1
        elif option in ('-u', '--unchecked'):
            unsigned_upload = 1
        elif option in ('-e', '--delayed'):
            if arg in map(str, range(16)):
                delay_upload = arg
            else:
                print "Incorrect delayed argument, dput only understands 0 to 15."
                sys.exit(1)
        elif option in ('-V', '--check_version'):
            check_version = 1           
  
    # Always print the version number in the debug output
    # so that in case of bugreports, we know which version
    # the user has installed
    if debug: print "D: %s" % dput_version
    
    # Try to get the login from the enviroment
    if os.environ.has_key('USER'):
        login = os.environ['USER']
        if debug: print "D: Login: %s" % login
    else:
        print "$USER not set, will use login information."
        # Else use the current username
        login = pwd.getpwuid(os.getuid( ))[0]
        if debug:
           print "D: User-ID: %s" % os.getuid()
           print "D: Login: %s" % login

    # Start Config File Parsing.
    read_configs(config_file, debug)

    if config_print:
        print_config(config, debug)
        sys.exit(0)

    if config_host_list:
        print
        print "Default Method: %s" % config.get('DEFAULT','method')
        print
        for section in config.sections():
            distributions = ""
            if config.get(section,'distributions'):
                distributions = ", distributions: %s" % \
                        config.get(section,'distributions')
            print "%s => %s  (Upload method: %s%s)" % (section, \
                config.get(section,'fqdn'), config.get(section,'method'), \
                distributions)
        print
        sys.exit(0)

    # Process further command line options.
    if len(args) == 0:
        print "No package or host has been provided, see dput -h"
        sys.exit(0)
    elif len(args) == 1 and not check_only:
        package_to_upload = args[0:]
    else:
        if not check_only:
            if debug:
                print "D: Checking if a host was named on the command line."
            if config.has_section(args[0]):
                if debug:
                    print "D: Host %s found in config" % args[0]
                # Host was also named, so only the rest will be a list
                # of packages to upload.
                preferred_host = args[0]
                package_to_upload = args[1:]
            elif not config.has_section(args[0]) and not args[0].endswith('.changes'):
                print >> sys.stderr, "No host %s found in config" % args[0]
                if args[0]=='gluck_delayed':
                    print >> sys.stderr, """
   The delayed upload queue has been moved back to
   ftp-master (aka ftp.upload.debian.org)."""
                sys.exit(1)
            else:
                if debug:
                    print "D: No host named on command line."
                # Only packages have been named on the command line.
                preferred_host = '' 
                package_to_upload = args[0:]
        else:
            if debug:
                print "D: Checking for the package name."
            if config.has_section(args[0]):
                print "D: Host %s found in config." % args[0]
                preferred_host = args[0]
                package_to_upload = args[1:]
            elif not config.has_section(args[0]):
                print "D: No host %s found in config" % args[0]
                package_to_upload = args[0:]

    # Now Import the Upload functions
    import_upload_functions()

    # Run the same checks for all packages that have been given on
    # the command line
    for package_name in package_to_upload:
        # Check that a .changes file was given on the command line 
        # and no matching .upload file exists.
        if package_name[-8:] != '.changes':
            print "Not a .changes file."
            print "Please select a .changes file to upload."
            print "Tried to upload: %s" % package_name
            sys.exit(1)
        files_to_upload[:] = []

        # Construct the package name for further usage.
        path, name_of_package = os.path.split(package_name)
        if path == '':
            path = os.getcwd()
    
        # Define the host to upload to.
        if preferred_host == '':
            host = guess_upload_host(path, name_of_package)
        else:
            host = preferred_host
        
        # Check if we already did this upload or not
        check_upload_logfile(package_name, host, check_only,
                             call_lintian, force_upload, debug)

        # Run the change file tests.
        verify_files(path, name_of_package, host, check_only, check_version,
                     unsigned_upload, debug)

        # Run the lintian test if the user asked us to do so.
        if (call_lintian or
            config.getboolean(host, 'run_lintian') == 1):
            run_lintian_test(os.path.join(path, name_of_package))
        elif check_only:
            print "Warning: The option -o does not automatically include "
            print "a lintian run any more. Please use the option -ol if "
            print "you want to include running lintian in your checking."

        # don't upload, skip to the next item
        if check_only:
            print "Package checked by dput."
            continue

        # Pre-Upload Commands
        if len(config.get(host, 'pre_upload_command')) !=0:
            type = 'pre'
            execute_command(host, debug, type)

        # Check the upload methods that we have as default and per host
        if debug: print "D: Default Method: %s" % \
            config.get('DEFAULT', 'method')
        if not upload_methods.has_key(config.get('DEFAULT', 'method')):
            print "Unknown upload method: %s" % \
                config.get('DEFAULT', 'method')
            sys.exit(1)
        if debug: print "D: Host Method: %s" % config.get(host, 'method') 
        if not upload_methods.has_key(config.get(host, 'method')):
            print "Unknown upload method: %s" % config.get(host, 'method')
            sys.exit(1)

        # Inspect the Config and set appropriate upload method
        if not config.get(host, 'method'):
            method = config.get('DEFAULT', 'method')
        else:
            method = config.get(host, 'method')

        # Check now the login and redefine it if needed
        if (len(config.get(host, 'login')) != 0 and \
                    config.get(host, 'login') != 'username'):
            login = config.get(host, 'login')
            if debug: print "D: Login %s from section %s used"%(login,host)
        elif (len(config.get('DEFAULT', 'login')) != 0 and \
                    config.get('DEFAULT', 'login') != 'username'):
            login = config.get('DEFAULT', 'login')
            if debug: print "D: Default login %s used"%login
        else:
            if debug: print "D: Neither host %s nor default login used. Using %s" %(host,login)

        # Messy, yes. But it isn't referenced by the upload method anyway.
        if config.get(host, 'method') == 'local':
            fqdn = 'localhost'
        else:
            fqdn = config.get(host, 'fqdn')
        incoming = config.get(host, 'incoming')

        # if delay_upload wasn't passed via -e/--delayed
        if not delay_upload:
            delay_upload = config.get(host, 'delayed')
            if not delay_upload:
                delay_upload = config.get('DEFAULT', 'delayed')

        if delay_upload:
            if int(delay_upload) == 0:
                print "Uploading to DELAYED/0-day."
            if incoming[-1] == '/':
                first_char = ''
            else:
                first_char = '/'
            incoming += first_char + 'DELAYED/' + delay_upload + '-day'
            delayed = ' [DELAYED/' + delay_upload + ']'
        else:
            delayed = ''

        # Do the actual upload
        if not simulate:
            print "Uploading to %s%s (via %s to %s):"%(host,delayed,method,fqdn)
            if debug:
                print "D: FQDN: %s" % fqdn
                print "D: Login: %s" % login
                print "D: Incoming: %s" % incoming
            progress = config.getint(host,'progress_indicator')
            if not os.isatty(1):
              progress = 0
            if method == 'ftp':
                if ':' in fqdn:
                    fqdn, port = fqdn.rsplit(":",1)
                else:
                    port = 21
                ftp_mode = config.getboolean(host, 'passive_ftp')
                if ftp_passive_mode == 1: ftp_mode = 1
                if debug:
                    print "D: FTP port: %s" % port
                    if ftp_mode == 1:
                        print "D: Using passive ftp"
                    else:
                        print "D: Using active ftp"
                upload_methods[method](
                  fqdn, login, incoming,
                  files_to_upload, debug, ftp_mode, progress=progress, port=port)
            elif method == 'scp':
                if debug and config.getboolean(host, 'scp_compress'):
                    print "D: Setting compression for scp"
                scp_compress = config.getboolean(host, 'scp_compress')
                ssh_config_options = filter(None, map(lambda x: x.strip(),
                   config.get (host ,'ssh_config_options').split('\n')))
                if debug:
                  print "D: ssh config options:\n  "+'\n  '.join(ssh_config_options)
                upload_methods[method](fqdn, login, incoming, \
                    files_to_upload, debug, scp_compress, ssh_config_options)
            else:
                upload_methods[method](fqdn, login, incoming, \
                    files_to_upload, debug, 0, progress=progress)
        # Or just simulate it.
        else:
            for file in files_to_upload:
                print 'Uploading with %s: %s to %s:%s' % (method, \
                    file, fqdn, incoming)

        # Create the logfile after the package has 
        # been put into the archive.
        if not simulate:
            if not no_upload_log:
                create_upload_file(name_of_package, host, path, \
                    files_to_upload, debug)
            print "Successfully uploaded packages."
        else:
            print "Simulated upload."
    
        # Run dinstall if the user asked us to do so.
        if debug:
            print "D: dinstall: %s" % dinstall
            print "D: Host Config: %s" % config.getboolean(host, 'run_dinstall')
        if config.getboolean(host, 'run_dinstall') == 1 or dinstall:
            if not simulate:
                dinstall_caller(name_of_package, host, login, incoming, debug)
            else:
                print "Will run dinstall now."

        # Post-Upload Command
        if len(config.get(host, 'post_upload_command')) != 0:
            type = 'post'
            execute_command(host, debug, type)
            
    return

# Main
if __name__ == '__main__':
    try:
        main()
    except KeyboardInterrupt:
        print "Exiting due to user interrupt."
        sys.exit(1)
    except dputhelper.DputException, e:
      print >> sys.stderr, e
      sys.exit(1)