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: | |
78 | if o in ('-c', '--cipher'): | |
79 | cipher = a | |
80 | elif o in ('-m', '--mac'): | |
81 | mac = a | |
82 | elif o in ('-h', '--hash'): | |
83 | hash = a | |
84 | else: | |
85 | raise 'Barf!' | |
86 | if len(args) > 2: | |
87 | return 1 | |
88 | if len(args) >= 1: | |
89 | tag = args[0] | |
90 | else: | |
91 | tag = 'pwsafe' | |
d1c45f5c | 92 | |
09b8041d MW |
93 | ## Set up the database. |
94 | if mac is None: mac = hash + '-hmac' | |
95 | PW.create(file, C.gcciphers[cipher], C.gchashes[hash], C.gcmacs[mac], tag) | |
d7ab1bab | 96 | |
97 | def cmd_changepp(av): | |
98 | if len(av) != 0: | |
99 | return 1 | |
4a35c9a7 | 100 | pw = PW(file, writep = True) |
d7ab1bab | 101 | pw.changepp() |
102 | ||
103 | def cmd_find(av): | |
104 | if len(av) != 1: | |
105 | return 1 | |
106 | pw = PW(file) | |
2e6a3fda | 107 | try: |
108 | print pw[av[0]] | |
109 | except KeyError, exc: | |
110 | die('Password `%s\' not found.' % exc.args[0]) | |
d7ab1bab | 111 | |
112 | def cmd_store(av): | |
113 | if len(av) < 1 or len(av) > 2: | |
114 | return 1 | |
115 | tag = av[0] | |
116 | if len(av) < 2: | |
117 | pp = C.getpass("Enter passphrase `%s': " % tag) | |
118 | vpp = C.getpass("Confirm passphrase `%s': " % tag) | |
119 | if pp != vpp: | |
120 | raise ValueError, "passphrases don't match" | |
121 | elif av[1] == '-': | |
122 | pp = stdin.readline() | |
123 | else: | |
124 | pp = av[1] | |
4a35c9a7 | 125 | pw = PW(file, writep = True) |
43c09851 | 126 | pw[av[0]] = chomp(pp) |
d7ab1bab | 127 | |
128 | def cmd_copy(av): | |
129 | if len(av) < 1 or len(av) > 2: | |
130 | return 1 | |
131 | pw_in = PW(file) | |
132 | pw_out = PW(av[0], 'w') | |
133 | if len(av) >= 3: | |
134 | pat = av[1] | |
135 | else: | |
136 | pat = None | |
137 | for k in pw_in: | |
138 | if pat is None or fnmatch(k, pat): | |
139 | pw_out[k] = pw_in[k] | |
140 | ||
141 | def cmd_list(av): | |
142 | if len(av) > 1: | |
143 | return 1 | |
144 | pw = PW(file) | |
145 | if len(av) >= 1: | |
146 | pat = av[0] | |
147 | else: | |
148 | pat = None | |
149 | for k in pw: | |
150 | if pat is None or fnmatch(k, pat): | |
151 | print k | |
152 | ||
153 | def cmd_topixie(av): | |
43c09851 | 154 | if len(av) > 2: |
d7ab1bab | 155 | return 1 |
156 | pw = PW(file) | |
43c09851 | 157 | pix = C.Pixie() |
158 | if len(av) == 0: | |
159 | for tag in pw: | |
160 | pix.set(tag, pw[tag]) | |
d7ab1bab | 161 | else: |
43c09851 | 162 | tag = av[0] |
163 | if len(av) >= 2: | |
164 | pptag = av[1] | |
165 | else: | |
166 | pptag = av[0] | |
167 | pix.set(pptag, pw[tag]) | |
d7ab1bab | 168 | |
3aa33042 | 169 | def cmd_del(av): |
170 | if len(av) != 1: | |
171 | return 1 | |
4a35c9a7 | 172 | pw = PW(file, writep = True) |
3aa33042 | 173 | tag = av[0] |
2e6a3fda | 174 | try: |
175 | del pw[tag] | |
176 | except KeyError, exc: | |
177 | die('Password `%s\' not found.' % exc.args[0]) | |
3aa33042 | 178 | |
d7ab1bab | 179 | commands = { 'create': [cmd_create, |
d1c45f5c MW |
180 | '[-c CIPHER] [-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]]'], | |
85f15f07 | 187 | 'delete' : [cmd_del, 'TAG']} |
d1c45f5c MW |
188 | |
189 | ###-------------------------------------------------------------------------- | |
190 | ### Command-line handling and dispatch. | |
d7ab1bab | 191 | |
192 | def version(): | |
2e6a3fda | 193 | print '%s 1.0.0' % prog |
d1c45f5c | 194 | |
d7ab1bab | 195 | def usage(fp): |
2e6a3fda | 196 | print >>fp, 'Usage: %s COMMAND [ARGS...]' % prog |
d1c45f5c | 197 | |
d7ab1bab | 198 | def help(): |
199 | version() | |
200 | ||
b2687a0a | 201 | usage(stdout) |
d7ab1bab | 202 | print ''' |
203 | Maintains passwords or other short secrets securely. | |
204 | ||
205 | Options: | |
206 | ||
207 | -h, --help Show this help text. | |
208 | -v, --version Show program version number. | |
209 | -u, --usage Show short usage message. | |
210 | ||
2e6a3fda | 211 | -f, --file=FILE Where to find the password-safe file. |
212 | ||
d7ab1bab | 213 | Commands provided: |
214 | ''' | |
05a82542 | 215 | for c in sorted(commands): |
d7ab1bab | 216 | print '%s %s' % (c, commands[c][1]) |
217 | ||
d1c45f5c MW |
218 | ## Choose a default database file. |
219 | if 'PWSAFE' in environ: | |
220 | file = environ['PWSAFE'] | |
221 | else: | |
222 | file = '%s/.pwsafe' % environ['HOME'] | |
223 | ||
224 | ## Parse the command-line options. | |
d7ab1bab | 225 | try: |
d1c45f5c MW |
226 | opts, argv = getopt(argv[1:], 'hvuf:', |
227 | ['help', 'version', 'usage', 'file=']) | |
d7ab1bab | 228 | except GetoptError: |
229 | usage(stderr) | |
230 | exit(1) | |
231 | for o, a in opts: | |
232 | if o in ('-h', '--help'): | |
233 | help() | |
234 | exit(0) | |
235 | elif o in ('-v', '--version'): | |
236 | version() | |
237 | exit(0) | |
238 | elif o in ('-u', '--usage'): | |
239 | usage(stdout) | |
240 | exit(0) | |
241 | elif o in ('-f', '--file'): | |
242 | file = a | |
243 | else: | |
244 | raise 'Barf!' | |
245 | if len(argv) < 1: | |
246 | usage(stderr) | |
247 | exit(1) | |
248 | ||
d1c45f5c | 249 | ## Dispatch to a command handler. |
d7ab1bab | 250 | if argv[0] in commands: |
251 | c = argv[0] | |
252 | argv = argv[1:] | |
253 | else: | |
254 | c = 'find' | |
40b16f0c MW |
255 | try: |
256 | if commands[c][0](argv): | |
257 | print >>stderr, 'Usage: %s %s %s' % (prog, c, commands[c][1]) | |
258 | exit(1) | |
259 | except DecryptError: | |
260 | die("decryption failure") | |
d1c45f5c MW |
261 | |
262 | ###----- That's all, folks -------------------------------------------------- |