4 ### Tool for maintaining a secure-ish password database
6 ### (c) 2005 Straylight/Edgeware
9 ###----- Licensing notice ---------------------------------------------------
11 ### This file is part of the Python interface to Catacomb.
13 ### Catacomb/Python is free software; you can redistribute it and/or modify
14 ### it under the terms of the GNU General Public License as published by
15 ### the Free Software Foundation; either version 2 of the License, or
16 ### (at your option) any later version.
18 ### Catacomb/Python is distributed in the hope that it will be useful,
19 ### but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ### GNU General Public License for more details.
23 ### You should have received a copy of the GNU General Public License
24 ### along with Catacomb/Python; if not, write to the Free Software Foundation,
25 ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 ###---------------------------------------------------------------------------
30 from __future__ import with_statement
32 from os import environ
33 from sys import argv, exit, stdin, stdout, stderr
34 from getopt import getopt, GetoptError
35 from fnmatch import fnmatch
39 from catacomb.pwsafe import *
41 ###--------------------------------------------------------------------------
42 ### Python version portability.
44 def _text(bin): return bin
45 def _bin(text): return text
47 def _excval(): return SYS.exc_info()[1]
49 ###--------------------------------------------------------------------------
53 prog = re.sub(r'^.*[/\\]', '', argv[0])
56 """Issue a warning message MSG."""
57 stderr.write('%s: %s\n' % (prog, msg))
60 """Report MSG as a fatal error, and exit."""
64 ###--------------------------------------------------------------------------
65 ### Subcommand implementations.
69 ## Default crypto-primitive selections.
70 cipher = 'rijndael-cbc'
76 opts, args = getopt(av, 'c:d:h:m:',
77 ['cipher=', 'database=', 'mac=', 'hash='])
82 if o in ('-c', '--cipher'): cipher = a
83 elif o in ('-m', '--mac'): mac = a
84 elif o in ('-h', '--hash'): hash = a
85 elif o in ('-d', '--database'): dbty = a
86 else: raise Exception("barf")
87 if len(args) > 2: return 1
88 if len(args) >= 1: tag = args[0]
91 ## Set up the database.
92 if mac is None: mac = hash + '-hmac'
93 try: dbcls = StorageBackend.byname(dbty)
94 except KeyError: die("Unknown database backend `%s'" % dbty)
95 PW.create(dbcls, file, tag,
96 C.gcciphers[cipher], C.gchashes[hash], C.gcmacs[mac])
99 if len(av) != 0: return 1
100 with PW(file, writep = True) as pw: pw.changepp()
103 if len(av) != 1: return 1
105 try: print(_text(pw[_bin(av[0])]))
106 except KeyError: die("Password `%s' not found" % _excval().args[0])
109 if len(av) < 1 or len(av) > 2: return 1
111 with PW(file, writep = True) as pw:
113 pp = C.getpass("Enter passphrase `%s': " % tag)
114 vpp = C.getpass("Confirm passphrase `%s': " % tag)
115 if pp != vpp: die("passphrases don't match")
117 pp = _bin(stdin.readline().rstrip('\n'))
123 if len(av) < 1 or len(av) > 2: return 1
124 with PW(file) as pw_in:
125 with PW(av[0], writep = True) as pw_out:
126 if len(av) >= 3: pat = av[1]
130 if pat is None or fnmatch(ktext, pat): pw_out[k] = pw_in[k]
133 if len(av) > 1: return 1
135 if len(av) >= 1: pat = av[0]
139 if pat is None or fnmatch(ktext, pat): print(ktext)
142 if len(av) > 2: return 1
146 for tag in pw: pix.set(tag, pw[_bin(tag)])
149 if len(av) >= 2: pptag = av[1]
151 pix.set(pptag, pw[tag])
154 if len(av) != 1: return 1
155 with PW(file, writep = True) as pw:
158 except KeyError: die("Password `%s' not found" % _excval().args[0])
162 ## Parse the command line.
163 try: opts, args = getopt(av, 'd:', ['database='])
164 except GetoptError: return 1
167 if o in ('-d', '--database'): dbty = a
168 else: raise Exception("barf")
169 if len(args) != 1: return 1
170 try: dbcls = StorageBackend.byname(dbty)
171 except KeyError: die("Unknown database backend `%s'" % dbty)
173 ## Create the target database.
174 with StorageBackend.open(file) as db_in:
175 with dbcls.create(args[0]) as db_out:
176 for k, v in db_in.iter_meta(): db_out.put_meta(k, v)
177 for k, v in db_in.iter_passwds(): db_out.put_passwd(k, v)
179 commands = { 'create': [cmd_create,
180 '[-c CIPHER] [-d DBTYPE] [-h HASH] [-m MAC] [PP-TAG]'],
181 'find' : [cmd_find, 'LABEL'],
182 'store' : [cmd_store, 'LABEL [VALUE]'],
183 'list' : [cmd_list, '[GLOB-PATTERN]'],
184 'changepp' : [cmd_changepp, ''],
185 'copy' : [cmd_copy, 'DEST-FILE [GLOB-PATTERN]'],
186 'to-pixie' : [cmd_topixie, '[TAG [PIXIE-TAG]]'],
187 'delete' : [cmd_del, 'TAG'],
188 'xfer': [cmd_xfer, '[-d DBTYPE] DEST-FILE'] }
190 ###--------------------------------------------------------------------------
191 ### Command-line handling and dispatch.
194 print('%s 1.0.0' % prog)
195 print('Backend types: %s' %
196 ' '.join([c.NAME for c in StorageBackend.classes()]))
199 fp.write('Usage: %s COMMAND [ARGS...]\n' % prog)
206 Maintains passwords or other short secrets securely.
210 -h, --help Show this help text.
211 -v, --version Show program version number.
212 -u, --usage Show short usage message.
214 -f, --file=FILE Where to find the password-safe file.
218 for c in sorted(commands):
219 print('%s %s' % (c, commands[c][1]))
221 ## Choose a default database file.
222 if 'PWSAFE' in environ:
223 file = environ['PWSAFE']
225 file = '%s/.pwsafe' % environ['HOME']
227 ## Parse the command-line options.
229 opts, argv = getopt(argv[1:], 'hvuf:',
230 ['help', 'version', 'usage', 'file='])
235 if o in ('-h', '--help'):
238 elif o in ('-v', '--version'):
241 elif o in ('-u', '--usage'):
244 elif o in ('-f', '--file'):
247 raise Exception("barf")
252 ## Dispatch to a command handler.
253 if argv[0] in commands:
259 if commands[c][0](argv):
260 stderr.write('Usage: %s %s %s\n' % (prog, c, commands[c][1]))
263 die("decryption failure")
265 ###----- That's all, folks --------------------------------------------------