Commit | Line | Data |
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24b3d57b | 1 | #! /usr/bin/python |
d1c45f5c MW |
2 | ### -*-python-*- |
3 | ### | |
4 | ### Tool for maintaining a secure-ish password database | |
5 | ### | |
6 | ### (c) 2005 Straylight/Edgeware | |
7 | ### | |
8 | ||
9 | ###----- Licensing notice --------------------------------------------------- | |
10 | ### | |
11 | ### This file is part of the Python interface to Catacomb. | |
12 | ### | |
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. | |
17 | ### | |
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. | |
22 | ### | |
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. | |
26 | ||
27 | ###--------------------------------------------------------------------------- | |
28 | ### Imported modules. | |
d7ab1bab | 29 | |
85f15f07 MW |
30 | from __future__ import with_statement |
31 | ||
43c09851 | 32 | from os import environ |
d7ab1bab | 33 | from sys import argv, exit, stdin, stdout, stderr |
34 | from getopt import getopt, GetoptError | |
d7ab1bab | 35 | from fnmatch import fnmatch |
80dc9c94 | 36 | import re |
2e6a3fda | 37 | |
d1c45f5c MW |
38 | import catacomb as C |
39 | from catacomb.pwsafe import * | |
40 | ||
41 | ###-------------------------------------------------------------------------- | |
42 | ### Utilities. | |
43 | ||
44 | ## The program name. | |
2e6a3fda | 45 | prog = re.sub(r'^.*[/\\]', '', argv[0]) |
d1c45f5c | 46 | |
2e6a3fda | 47 | def moan(msg): |
d1c45f5c | 48 | """Issue a warning message MSG.""" |
2e6a3fda | 49 | print >>stderr, '%s: %s' % (prog, msg) |
d1c45f5c | 50 | |
2e6a3fda | 51 | def die(msg): |
d1c45f5c | 52 | """Report MSG as a fatal error, and exit.""" |
2e6a3fda | 53 | moan(msg) |
54 | exit(1) | |
d7ab1bab | 55 | |
d1c45f5c MW |
56 | def chomp(pp): |
57 | """Return the string PP, without its trailing newline if it has one.""" | |
58 | if len(pp) > 0 and pp[-1] == '\n': | |
59 | pp = pp[:-1] | |
60 | return pp | |
61 | ||
d1c45f5c MW |
62 | ###-------------------------------------------------------------------------- |
63 | ### Subcommand implementations. | |
d7ab1bab | 64 | |
d7ab1bab | 65 | def cmd_create(av): |
d1c45f5c MW |
66 | |
67 | ## Default crypto-primitive selections. | |
d7ab1bab | 68 | cipher = 'blowfish-cbc' |
69 | hash = 'rmd160' | |
70 | mac = None | |
d1c45f5c MW |
71 | |
72 | ## Parse the options. | |
d7ab1bab | 73 | try: |
74 | opts, args = getopt(av, 'c:h:m:', ['cipher=', 'mac=', 'hash=']) | |
75 | except GetoptError: | |
76 | return 1 | |
77 | for o, a in opts: | |
9d0d0a7b MW |
78 | if o in ('-c', '--cipher'): cipher = a |
79 | elif o in ('-m', '--mac'): mac = a | |
80 | elif o in ('-h', '--hash'): hash = a | |
81 | else: raise 'Barf!' | |
82 | if len(args) > 2: return 1 | |
83 | if len(args) >= 1: tag = args[0] | |
84 | else: tag = 'pwsafe' | |
d1c45f5c | 85 | |
09b8041d MW |
86 | ## Set up the database. |
87 | if mac is None: mac = hash + '-hmac' | |
88 | PW.create(file, C.gcciphers[cipher], C.gchashes[hash], C.gcmacs[mac], tag) | |
d7ab1bab | 89 | |
90 | def cmd_changepp(av): | |
9d0d0a7b | 91 | if len(av) != 0: return 1 |
4a35c9a7 | 92 | pw = PW(file, writep = True) |
d7ab1bab | 93 | pw.changepp() |
94 | ||
95 | def cmd_find(av): | |
9d0d0a7b | 96 | if len(av) != 1: return 1 |
d7ab1bab | 97 | pw = PW(file) |
9d0d0a7b MW |
98 | try: print pw[av[0]] |
99 | except KeyError, exc: die("Password `%s' not found." % exc.args[0]) | |
d7ab1bab | 100 | |
101 | def cmd_store(av): | |
102 | if len(av) < 1 or len(av) > 2: | |
103 | return 1 | |
104 | tag = av[0] | |
f39dc0c8 | 105 | pw = PW(file, writep = True) |
d7ab1bab | 106 | if len(av) < 2: |
107 | pp = C.getpass("Enter passphrase `%s': " % tag) | |
108 | vpp = C.getpass("Confirm passphrase `%s': " % tag) | |
e988cbf2 | 109 | if pp != vpp: die("passphrases don't match") |
d7ab1bab | 110 | elif av[1] == '-': |
111 | pp = stdin.readline() | |
112 | else: | |
113 | pp = av[1] | |
43c09851 | 114 | pw[av[0]] = chomp(pp) |
d7ab1bab | 115 | |
116 | def cmd_copy(av): | |
9d0d0a7b | 117 | if len(av) < 1 or len(av) > 2: return 1 |
d7ab1bab | 118 | pw_in = PW(file) |
119 | pw_out = PW(av[0], 'w') | |
9d0d0a7b MW |
120 | if len(av) >= 3: pat = av[1] |
121 | else: pat = None | |
d7ab1bab | 122 | for k in pw_in: |
9d0d0a7b | 123 | if pat is None or fnmatch(k, pat): pw_out[k] = pw_in[k] |
d7ab1bab | 124 | |
125 | def cmd_list(av): | |
9d0d0a7b | 126 | if len(av) > 1: return 1 |
d7ab1bab | 127 | pw = PW(file) |
9d0d0a7b MW |
128 | if len(av) >= 1: pat = av[0] |
129 | else: pat = None | |
d7ab1bab | 130 | for k in pw: |
9d0d0a7b | 131 | if pat is None or fnmatch(k, pat): print k |
d7ab1bab | 132 | |
133 | def cmd_topixie(av): | |
9d0d0a7b | 134 | if len(av) > 2: return 1 |
d7ab1bab | 135 | pw = PW(file) |
43c09851 | 136 | pix = C.Pixie() |
137 | if len(av) == 0: | |
9d0d0a7b | 138 | for tag in pw: pix.set(tag, pw[tag]) |
d7ab1bab | 139 | else: |
43c09851 | 140 | tag = av[0] |
9d0d0a7b MW |
141 | if len(av) >= 2: pptag = av[1] |
142 | else: pptag = av[0] | |
43c09851 | 143 | pix.set(pptag, pw[tag]) |
d7ab1bab | 144 | |
3aa33042 | 145 | def cmd_del(av): |
9d0d0a7b | 146 | if len(av) != 1: return 1 |
4a35c9a7 | 147 | pw = PW(file, writep = True) |
3aa33042 | 148 | tag = av[0] |
9d0d0a7b MW |
149 | try: del pw[tag] |
150 | except KeyError, exc: die("Password `%s' not found." % exc.args[0]) | |
3aa33042 | 151 | |
d7ab1bab | 152 | commands = { 'create': [cmd_create, |
d1c45f5c MW |
153 | '[-c CIPHER] [-h HASH] [-m MAC] [PP-TAG]'], |
154 | 'find' : [cmd_find, 'LABEL'], | |
155 | 'store' : [cmd_store, 'LABEL [VALUE]'], | |
156 | 'list' : [cmd_list, '[GLOB-PATTERN]'], | |
157 | 'changepp' : [cmd_changepp, ''], | |
158 | 'copy' : [cmd_copy, 'DEST-FILE [GLOB-PATTERN]'], | |
159 | 'to-pixie' : [cmd_topixie, '[TAG [PIXIE-TAG]]'], | |
85f15f07 | 160 | 'delete' : [cmd_del, 'TAG']} |
d1c45f5c MW |
161 | |
162 | ###-------------------------------------------------------------------------- | |
163 | ### Command-line handling and dispatch. | |
d7ab1bab | 164 | |
165 | def version(): | |
2e6a3fda | 166 | print '%s 1.0.0' % prog |
d1c45f5c | 167 | |
d7ab1bab | 168 | def usage(fp): |
2e6a3fda | 169 | print >>fp, 'Usage: %s COMMAND [ARGS...]' % prog |
d1c45f5c | 170 | |
d7ab1bab | 171 | def help(): |
172 | version() | |
173 | ||
b2687a0a | 174 | usage(stdout) |
d7ab1bab | 175 | print ''' |
176 | Maintains passwords or other short secrets securely. | |
177 | ||
178 | Options: | |
179 | ||
180 | -h, --help Show this help text. | |
181 | -v, --version Show program version number. | |
182 | -u, --usage Show short usage message. | |
183 | ||
2e6a3fda | 184 | -f, --file=FILE Where to find the password-safe file. |
185 | ||
d7ab1bab | 186 | Commands provided: |
187 | ''' | |
05a82542 | 188 | for c in sorted(commands): |
d7ab1bab | 189 | print '%s %s' % (c, commands[c][1]) |
190 | ||
d1c45f5c MW |
191 | ## Choose a default database file. |
192 | if 'PWSAFE' in environ: | |
193 | file = environ['PWSAFE'] | |
194 | else: | |
195 | file = '%s/.pwsafe' % environ['HOME'] | |
196 | ||
197 | ## Parse the command-line options. | |
d7ab1bab | 198 | try: |
d1c45f5c MW |
199 | opts, argv = getopt(argv[1:], 'hvuf:', |
200 | ['help', 'version', 'usage', 'file=']) | |
d7ab1bab | 201 | except GetoptError: |
202 | usage(stderr) | |
203 | exit(1) | |
204 | for o, a in opts: | |
205 | if o in ('-h', '--help'): | |
206 | help() | |
207 | exit(0) | |
208 | elif o in ('-v', '--version'): | |
209 | version() | |
210 | exit(0) | |
211 | elif o in ('-u', '--usage'): | |
212 | usage(stdout) | |
213 | exit(0) | |
214 | elif o in ('-f', '--file'): | |
215 | file = a | |
216 | else: | |
217 | raise 'Barf!' | |
218 | if len(argv) < 1: | |
219 | usage(stderr) | |
220 | exit(1) | |
221 | ||
d1c45f5c | 222 | ## Dispatch to a command handler. |
d7ab1bab | 223 | if argv[0] in commands: |
224 | c = argv[0] | |
225 | argv = argv[1:] | |
226 | else: | |
227 | c = 'find' | |
40b16f0c MW |
228 | try: |
229 | if commands[c][0](argv): | |
230 | print >>stderr, 'Usage: %s %s %s' % (prog, c, commands[c][1]) | |
231 | exit(1) | |
232 | except DecryptError: | |
233 | die("decryption failure") | |
d1c45f5c MW |
234 | |
235 | ###----- That's all, folks -------------------------------------------------- |