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# $Id$
#
# Copyright (C) 1997 Klee Dienes <klee@mit.edu>
#
# 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., 675 Mass Ave, Cambridge, MA 02139, USA.
import tar, sys, ar, time, filter, outstr, stat
import dpkg_newformat, dpkg_oldformat, dpkg_packages, dpkg_util
def convert_entry (e, prefix = ''):
r = {}
t_conv = { '0' : 'f', '1' : 'l', '2' : 's', '3' : 'c', '4' : 'b', '5' : 'd' }
if (e['type'] in t_conv.keys()):
r['type'] = t_conv[e['type']]
else:
raise ValueError, 'unknown type %s' % e['type']
r['name'] = prefix + e['name']
if (r['type'] in ['f', 'l', 'c', 'b', 'd']):
if (e['uname'] != ''):
r['uname'] = e['uname']
else:
r['uname'] = str (int (e['uid']))
if (e['gname'] != ''):
r['gname'] = e['gname']
else:
r['gname'] = str (int (e['gid']))
r['mode'] = stat.S_IMODE (e['mode'])
if (r['type'] in ['b', 'c']):
r['dmaj'] = e['dmaj']
r['dmin'] = e['dmin']
if (r['type'] in ['l']):
r['link'] = prefix + e['link']
if (r['type'] in ['s']):
r['link'] = e['link']
if (r['type'] in ['f']):
r['md5'] = dpkg_util.md5_file (e['file'])
return r
def do_data (certificate, tar_entry, logger, prefix = ''):
if (tar_entry['name'] == './'):
return
certificate['data-files'].append (convert_entry (tar_entry, prefix))
def do_control (certificate, tar_entry, logger):
if (tar_entry['name'] == './'):
return
if (tar_entry['name'] == 'control'):
p = dpkg_packages.read (tar_entry['file'], logger)
if (len (p) != 1):
raise ValueError, 'error parsing control file'
certificate['control'] = p[0]
if (tar_entry['name'] == 'conffiles'):
l = tar_entry['file'].readlines ()
for i in range (len (l)):
l[i] = l[i][:-1]
certificate['configuration-files'] = l
certificate['control-files'].append (convert_entry (tar_entry))
def parse_changes (f, logger):
pass
def parse_deb (f, logger):
try:
d = dpkg_newformat.parse (f)
except ValueError, s:
e = 'file is not a new-format debian archive'
if (s[0:len(e)] != e):
raise sys.exc_type, sys.exc_value, sys.exc_traceback
d = dpkg_oldformat.parse (f)
r = { }
r['certificate-type'] = 'binary-only'
r['control-files'] = []
zf = filter.filter (d['control'], 'gzip -cd')
tar.parse_file (zf, lambda f, t, r = r, logger = logger: do_control (r, t, logger))
zf.close ()
r['data-files'] = []
zf = filter.filter (d['data'], 'gzip -cd')
tar.parse_file (zf, lambda f, t, r = r, logger = logger: do_data (r, t, logger, '/'))
zf.close ()
r['verification-date'] = time.strftime ('%a %b %d %H:%M:%S -000', time.localtime (time.time ()))
c = r['control']
r['package'] = c['package']
r['maintainer'] = c['maintainer']
if (c.has_key ('architecture')):
r['architecture'] = c['architecture']
else:
r['architecture'] = 'i386'
r['version'] = dpkg_packages.package_canon_version (c)
return r
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