├── .gitignore
├── README.md
├── pwdumpstats.py
└── LICENSE


/.gitignore:
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102 | 


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/README.md:
--------------------------------------------------------------------------------
 1 | # pwdumpstats
 2 | pwdumpstats is a python script to generate statistics from a pwdump file, including around the use of duplicate passwords. It can also read passwords cracked using John the Ripper or hashcat, to show the most common weak passwords in use.
 3 | 
 4 | Although it will work with any pwdump file (or even a simpler username:hash file), it is best used with the output of [NtdsAudit](https://github.com/Dionach/ntdsaudit), which will allow it to output more stats, such as those related to inactive and administrative accounts.
 5 | 
 6 | Comments and pull requests are welcome.
 7 | 
 8 | ## Usage
 9 | 
10 | pwdumpstats will try and find John's pot file (which contains the cracked passwords) by looking in the `$JOHN` environment variable. If this isn't set, you can manually pass the pot file to it with `--pot`. It also supports pot files in from hashcat, and potentially other tools as long as they use the same formatting.
11 | 
12 | ```
13 | usage: pwdumpstats.py [options] <pwdumpfile>
14 | 
15 | optional arguments:
16 |   -h, --help                            Show help text
17 |   -f FILTER_FILE, --filter FILTER_FILE  Filter users
18 |   -H, --history                         Include password history hashes
19 |   -s, --show                            Show full password re-use output
20 |   -a, --admins                          List admins
21 |   -A, --cracked-admins                  List cracked admin accounts
22 |   -n, --noncomplex                      List users with non-complex passwords
23 |   -E, --empty                           List users with empty passwords
24 |   -c, --cracked                         Only print cracked hashes
25 |   -d, --domain                          Print domains
26 |   -D, --disabled                        Include disabled accounts
27 |   -p POT_FILE, --pot POT_FILE           Specify pot file (john or hashcat format)
28 |   -m, --mask                            Mask passwords and hashes in output
29 |   -l, --lm                              Show accounts with LM hashes
30 |   -M, --mindupecount <num>              Only show passwords with more than <num> users
31 | ```
32 | 
33 | 
34 | ## Example Output
35 | ```
36 | $ pwdumpstats.py pwdump.txt
37 | 
38 | ##############
39 | # Statistics #
40 | ##############
41 | 
42 | Users:                  7359
43 | LM Hashes (current):    360 (4.89%)
44 | LM Hashes (history):    0
45 | History hashes:         0
46 | Total hashes:           7359
47 | 
48 | Cracked passwords:      5857 (79.59%)
49 | Non-complex passwords:  494 (6.71%)
50 | Empty passwords:        0
51 | 
52 | Duplicate passwords:    1509 (20.51%)
53 | Highest duplicate:      167 (2.27%)
54 | Top 20 passwords:       747 (10.15%)
55 | 
56 | Username as password:   23 (0.31%)
57 | 
58 | Total admin accounts:   99
59 | Cracked admin passwords 68 (68.69%)
60 | Administrators:         99
61 | Domain Admins:          61
62 | 
63 | Top 20 hashes
64 | 
65 | 310     64F12CDDAA88057E06A81B54E73B949B        Password1
66 | 131     30C3F921B4A69289FE7E752E0E3BAEAB        Monday10
67 | 49      31D6CFE0D16AE931B73C59D7E0C089C0        [empty]
68 | 38      DA7A992199887B5652528077CDD049CC        October2017
69 | 35      A4258E2B5D7D7FBB04531A89177B5E22        November2017
70 | <...>
71 | ```
72 | 


--------------------------------------------------------------------------------
/pwdumpstats.py:
--------------------------------------------------------------------------------
  1 | #!/usr/bin/env python3
  2 | 
  3 | from __future__ import print_function
  4 | 
  5 | import argparse
  6 | import io
  7 | import platform
  8 | import re
  9 | import os
 10 | import subprocess
 11 | import sys
 12 | 
 13 | __version__ = '1.1'
 14 | 
 15 | # Usage:
 16 | # $ pwdumpstats.py <hashfile>
 17 | # $ pwdumpstats.py --pot john.pot pwdump.txt
 18 | # $ pwdumpstats.py -A --show pwdump.txt
 19 | 
 20 | # Class for coloured output
 21 | class col:
 22 |     if sys.stdout.isatty() and platform.system() != "Windows":
 23 |         green = '\033[32m'
 24 |         blue = '\033[94m'
 25 |         red = '\033[31m'
 26 |         brown = '\033[33m'
 27 |         grey = '\033[90m'
 28 |         end = '\033[0m'
 29 |     else:   # Colours mess up redirected or Windows output, disable them
 30 |         green = ""
 31 |         blue = ""
 32 |         red = ""
 33 |         brown = ""
 34 |         grey = ""
 35 |         end = ""
 36 | 
 37 | def print_percent(percent):
 38 |     percent = round(percent, 2)
 39 |     if percent == 0:
 40 |         out = col.end
 41 |     elif percent < 20:
 42 |         out = col.green + " (" + str(percent) + "%)" + col.end
 43 |     elif percent < 70:
 44 |         out = col.brown + " (" + str(percent) + "%)" + col.end
 45 |     else:
 46 |         out = col.red + " (" + str(percent) + "%)" + col.end
 47 |     return out
 48 | 
 49 | def mask(s):
 50 |     if args.mask:
 51 |         return s[:2] + '*' * (len(s) - 4) + s[-2:]
 52 |     else:
 53 |         return s
 54 | 
 55 | 
 56 | ########
 57 | # Main #
 58 | ########
 59 | 
 60 | parser = argparse.ArgumentParser('pwdumpstats.py', description='pwdumpstats version ' + __version__, formatter_class=lambda prog:argparse.HelpFormatter(prog,max_help_position=40))
 61 | parser.add_argument('--version', help="prints the current program version", action='version', version='%(prog)s '+__version__)
 62 | parser.add_argument('-f', '--filter', help='Filter users', dest='filter_file', required=False)
 63 | parser.add_argument('-H', '--history', help='Include password history hashes', action='store_true', default=False, dest='history', required=False)
 64 | parser.add_argument('-s', '--show', help='Show full re-use output', action='store_true', default=False, dest='show_full', required=False)
 65 | parser.add_argument('-a', '--admins', help='List admins', action='store_true', default=False, dest='show_admins', required=False)
 66 | parser.add_argument('-A', '--cracked-admins', help='List cracked admin accounts', action='store_true', default=False, dest='show_crackedadmins', required=False)
 67 | parser.add_argument('-n', '--noncomplex', help='List users with non-complex passwords', action='store_true', default=False, dest='show_noncomplex', required=False)
 68 | parser.add_argument('-E', '--empty', help='List users with empty passwords', action='store_true', default=False, dest='show_empty', required=False)
 69 | parser.add_argument('-c', '--cracked', help='Only print cracked hashes', action='store_true', default=False, dest='cracked_only', required=False)
 70 | parser.add_argument('-d', '--domain', help='Print domains', action='store_true', default=False, dest='domain', required=False)
 71 | parser.add_argument('-D', '--disabled', help='Include disabled accounts', action='store_true', default=False, dest='disabled', required=False)
 72 | parser.add_argument('-p', '--pot', help='Specify pot file (john or hashcat format)', dest='pot_file', required=False)
 73 | parser.add_argument('-m', '--mask', help='Mask passwords and hashes in output', action='store_true', default=False, dest='mask', required=False)
 74 | parser.add_argument('-l', '--lm', help='Show accounts with LM hashes', action='store_true', default=False, dest='show_lm', required=False)
 75 | parser.add_argument('-M', '--mindupecount', help='Don\'t show hashes with less that mindupecount users', type=int, default=False, dest='mindupecount', required=False)
 76 | parser.add_argument("files", nargs="+", help="Hash files")
 77 | 
 78 | # Usage
 79 | if len(sys.argv) < 2:
 80 |     parser.print_help()
 81 |     sys.exit(1)
 82 | 
 83 | args = parser.parse_args()
 84 | 
 85 | if args.filter_file:
 86 |     args.show_full = True
 87 | 
 88 | hashlist = []
 89 | filterlist = set()
 90 | crackedadmins = set()
 91 | admins = set()
 92 | pot = {}
 93 | users = {}
 94 | hashcount = {}
 95 | totaldupes = 0
 96 | usercount = 0
 97 | historycount = 0
 98 | crackedcount = 0
 99 | maxdupe = 0
100 | noncomplex = []
101 | empty = []
102 | lmusers = []
103 | lmhistory = []
104 | userpass = []
105 | administrators = []
106 | domainadmins = []
107 | enterpriseadmins = []
108 | 
109 | if args.filter_file:
110 |     with io.open(args.filter_file, encoding="utf8", errors='replace') as infile:
111 |         for line in infile:
112 |             line = line.rstrip()
113 |             filterlist.add(line)
114 | 
115 | if args.pot_file:
116 |     pot_path = args.pot_file
117 | else:
118 |     common_paths = ['john.pot', '$JOHN/john.pot', '~/.john/john.pot', 'hashcat.potfile']
119 |     for path in common_paths:
120 |         path = os.path.expandvars(os.path.expanduser(path))
121 |         if os.path.isfile(path):
122 |             pot_path = path
123 |             print('Using potfile: ' + pot_path)
124 |             break
125 |     if not pot_path:
126 |         print(col.red + "Could not find a pot file. Please specify one with --pot" + col.end)
127 |         sys.exit(1)
128 | 
129 | try:
130 |     with io.open(pot_path, encoding="utf8", errors='replace') as potfile:
131 |         hashregex = re.compile('(^(\$NT\$)?([a-fA-F0-9]{32}):(.*)$)')
132 |         for line in potfile:
133 |             line = line.rstrip()
134 |             m = hashregex.match(line)
135 |             if m:
136 |                 hash = m.group(3).upper()
137 |                 pw = m.group(4)
138 |                 if hash == '31D6CFE0D16AE931B73C59D7E0C089C0':
139 |                     pw = ""
140 |                 pot[hash] = pw
141 | except IOError:
142 |     print(col.red + "Could not open pot file: " + pot_path + col.end)
143 |     sys.exit(1)
144 | if not pot:
145 |     print(col.red + "[-] Pot doesn't contain any NTLM hashes\n" + col.end)
146 | 
147 | 
148 | for filename in args.files:
149 |     with io.open(filename, encoding="utf8", errors='replace') as userfile:
150 |         for line in userfile:
151 |             if not args.disabled:
152 |                 if "Disabled=1" in line or "Disabled=True" in line or ",Expired=True" in line:
153 |                     continue
154 |             line = line.rstrip()
155 |             split = line.split(":")
156 |             if len(split) == 7:     # pwdump format
157 |                 user = split[0]
158 |                 lmhash = split[2].upper()
159 |                 hash = split[3].upper().replace('$NT$', '')
160 |             elif len(split) == 2:   # username : hash format
161 |                 user = split[0]
162 |                 hash = split[1].upper().replace('$NT$', '')
163 |                 lmhash = ''
164 |             if user and hash:
165 |                 admin = 0
166 |                 if "__history_" in user:
167 |                     if lmhash and not lmhash == "AAD3B435B51404EEAAD3B435B51404EE":
168 |                         lmhistory.append(user)
169 |                     historycount += 1
170 |                     if not args.history:
171 |                         continue
172 |                 else:
173 |                     usercount += 1
174 |                 
175 |                 m2 = re.match('^(.*?)\\\(.*)', user)
176 |                 if m2:
177 |                     if args.domain:
178 |                         user = m2.group(0)              # Keep domain
179 |                     else:
180 |                         user = m2.group(2)              # Strip domain
181 |                 else:
182 |                     m2 = re.match('^(.*?)@(.*)', user)
183 |                     if m2:
184 |                         user = m2.group(1)
185 |                 if lmhash and not lmhash == "AAD3B435B51404EEAAD3B435B51404EE":
186 |                     lmusers.append(user)
187 |                 if ("IsAdministrator=True" in line or "isAdministrator=1" in line) and not "__history_" in user:
188 |                     administrators.append(user)
189 |                     admin = 1
190 |                 if ("IsDomainAdmin=True" in line or "isDomainAdmin=1" in line) and not "__history_" in user:
191 |                     domainadmins.append(user)
192 |                     admin = 1
193 |                 if ("IsEnterpriseAdmin=True" in line or "isEnterpriseAdmin=1" in line) and not "__history_" in user:
194 |                     enterpriseadmins.append(user)
195 |                     admin = 1
196 |                 users[user] = hash
197 |                 if hash in pot:
198 |                     crackedcount += 1
199 |                     if args.domain:
200 |                         if user.split('\\')[1] == pot[hash]:
201 |                             userpass.append(user)
202 |                     else:
203 |                         if user == pot[hash]:
204 |                             userpass.append(user)
205 |                     # Complexity
206 |                     if len(pot[hash]) == 0:
207 |                         empty.append(user)
208 |                     elif len(pot[hash]) < 8:
209 |                         noncomplex.append(user)
210 |                     else:
211 |                         score = 0
212 |                         if re.search("[A-Z]", pot[hash]):
213 |                             score += 1
214 |                         if re.search("[a-z]", pot[hash]):
215 |                             score += 1
216 |                         if re.search("[0-9]", pot[hash]):
217 |                             score += 1
218 |                         if pot[hash] and re.search("[^0-9a-zA-Z]", pot[hash]):
219 |                             score += 1
220 |                         if score < 3:
221 |                             noncomplex.append(user)
222 | 
223 |                     # Admin
224 |                     if admin == 1:
225 |                         admins.add(user)
226 |                         crackedadmins.add(user + ":" + mask(pot[hash]))
227 | 
228 |                 if not args.filter_file or user.lower() in map(str.lower, filterlist) :
229 |                     hashlist.append(hash)
230 | 
231 | if not users:
232 |         print(col.red + "[-] No hashes loaded from " + ' '.join(map(str, args.files)) + col.end)
233 |         sys.exit(1)
234 | 
235 | # Reverse the dictionary
236 | hashlist_user = {}
237 | for key, value in users.items():
238 |     hashlist_user.setdefault(value, set()).add(key)
239 | 
240 | for hash,users in sorted(hashlist_user.items()):
241 |     dupecount = len(users)
242 |     if args.filter_file:
243 |         if not set(map(str.lower, users)) & set(map(str.lower, filterlist)):
244 |             continue
245 |     if dupecount == 1:
246 |         continue
247 |     if dupecount > maxdupe:
248 |         maxdupe = dupecount
249 |     totaldupes += dupecount
250 |     hashcount[hash] = dupecount
251 | 
252 | for hash,count in sorted(hashcount.items(), key=lambda x: x[1], reverse=True):
253 |     if args.show_full:
254 |         if args.mindupecount:
255 |             if count < args.mindupecount:
256 |                 continue
257 |         users = hashlist_user[hash]
258 |         if hash in pot:
259 |             if pot[hash] == "":
260 |                 pw = col.red + "[empty]" + col.end
261 |                 hash = mask(hash)
262 |             else:
263 |                 pw = mask(pot[hash])
264 |                 hash = mask(hash)
265 |             print(col.green + hash + " : " + pw + col.blue + \
266 |                     " [" + str(count) + "]" + col.end)
267 |         elif args.cracked_only:
268 |             continue
269 |         else:
270 |             hash = mask(hash)
271 |             print(col.brown + hash + col.blue + " [" + str(count) \
272 |                     + "]" + col.end)
273 |         usorted = sorted(users, key = lambda s: s.lower())
274 |         for user in usorted:
275 |             if args.filter_file and user.lower() in map(str.lower, filterlist):
276 |                 print(col.red + user + col.end) # Filtered users in red
277 |             elif "__history_" in user.lower():
278 |                     print(col.grey + user + col.end)
279 |             else:
280 |                 if user.lower() in map(str.lower, admins):
281 |                     print(col.red + user + col.end) # Admins in red
282 |                 else:
283 |                     print(user)
284 |         print("")
285 | 
286 | 
287 | if args.show_full:
288 |     if userpass and not args.filter_file:
289 |         print(col.red + "[+] Username == Password " + col.blue + "[" + str(len(userpass)) + "]" + col.end)
290 |         for user in sorted(userpass, key=lambda s: s.lower()):
291 |             print(user)
292 |         print("")
293 | 
294 | if args.show_noncomplex and len(noncomplex) > 0:
295 |     print(col.red + "[+] Non-complex Passwords (" + str(len(noncomplex)) +")" + col.end)
296 |     for user in sorted(noncomplex, key=lambda s: s.lower()):
297 |         print(user)
298 |     print("")
299 | 
300 | if args.show_empty and len(empty) > 0:
301 |     print(col.red + "[+] Empty Passwords (" + str(len(empty)) + ")" + col.end)
302 |     for user in sorted(empty, key=lambda s: s.lower()):
303 |         print(user)
304 |     print("")
305 | 
306 | if args.show_lm and len(lmusers) > 0:
307 |     print(col.red + "[+] LM Hashes (" + str(len(lmusers)) +")" + col.end)
308 |     for user in sorted(lmusers, key=lambda s: s.lower()):
309 |         print(user)
310 |     print("")
311 | 
312 | admins = set(administrators + domainadmins + enterpriseadmins)
313 | if crackedadmins:
314 |     crackedadminspercent = float(len(crackedadmins)) / float(len(admins)) * 100
315 | 
316 | if args.show_admins and len(admins) > 0:
317 |     print(col.red + "[+] Admins (" + str(len(admins)) + ")" + col.end)
318 |     for user in sorted(admins, key=lambda s: s.lower()):
319 |         print(user)
320 |     print("")
321 | 
322 | if args.show_crackedadmins and len(crackedadmins) > 0:
323 |     print(col.red + "[+] Cracked Admins (" + str(len(crackedadmins)) + ")" + col.end)
324 |     for user in sorted(crackedadmins, key=lambda s: s.lower()):
325 |         print(user)
326 |     print("")
327 | 
328 | top20 = 0
329 | for hash,count in sorted(hashcount.items(), key=lambda x: x[1], reverse=True)[:20]:
330 |     top20 += count
331 | 
332 | if args.history:
333 |     totalcount = usercount + historycount
334 | else:
335 |     totalcount = usercount
336 | 
337 | dupepercent = float(totaldupes) / float(totalcount) * 100
338 | maxdupepercent = float(maxdupe) / float(totalcount) * 100
339 | crackedpercent = float(crackedcount) / float(totalcount) * 100
340 | noncomplexpercent = float(len(noncomplex)) / float(totalcount) * 100
341 | emptypercent = float(len(empty)) / float(totalcount) * 100
342 | userpasspercent = float(len(userpass)) / float(totalcount) * 100
343 | top20percent = float(top20) / float(totalcount) * 100
344 | lmpercent = float(len(lmusers)) / float(totalcount) * 100
345 | 
346 | 
347 | 
348 | print("\n" + col.brown + "##############" + col.end)
349 | print(col.brown + "# Statistics #" + col.end)
350 | print(col.brown + "##############" + col.end + "\n")
351 | if not args.filter_file:
352 |     print("Users:                  " + col.blue + str(usercount) + col.end)
353 |     print("LM Hashes (current):    " + col.blue + str(len(lmusers)) + print_percent(lmpercent) + col.end)
354 |     print("LM Hashes (history):    " + col.blue + str(len(lmhistory)) + col.end)
355 |     print("History hashes:         " + col.blue + str(historycount) + col.end)
356 |     print("Total hashes:           " + col.blue + str(totalcount) + col.end + "\n")
357 |     print("Cracked passwords:      " + col.blue + str(crackedcount)  + print_percent(crackedpercent))
358 |     print("Non-complex passwords:  " + col.blue + str(len(noncomplex)) + print_percent(noncomplexpercent))
359 |     print("Empty passwords:        " + col.blue + str(len(empty)) + print_percent(emptypercent) + "\n")
360 |     print("Duplicate passwords:    " + col.blue + str(totaldupes) + print_percent(dupepercent))
361 |     print("Highest duplicate:      " + col.blue + str(maxdupe) + print_percent(maxdupepercent))
362 |     print("Top 20 passwords:       " + col.blue + str(top20) + print_percent(top20percent) + "\n")
363 |     print("Username as password:   " + col.blue + str(len(userpass)) + print_percent(userpasspercent) + "\n")
364 | else:
365 |     print("Duplicate passwords:    " + col.blue + str(totaldupes) + col.end)
366 |     print("Highest duplicate:      " + col.blue + str(maxdupe) + col.end + "\n")
367 | 
368 | if len(admins) > 0:
369 |     print("Total admin accounts:   " + col.blue + str(len(admins)) + col.end)
370 | if crackedadmins:
371 |     print("Cracked admin passwords " + col.blue + str(len(crackedadmins)) + print_percent(crackedadminspercent) + col.end)
372 | if len(administrators) > 0:
373 |     print("Administrators:         " + col.blue + str(len(administrators)) + col.end)
374 | if len(domainadmins) > 0:
375 |     print("Domain Admins:          " + col.blue + str(len(domainadmins)) + col.end)
376 | if len(enterpriseadmins) > 0:
377 |     print("Enterprise Admins       " + col.blue + str(len(enterpriseadmins)) + col.end)
378 | 
379 | 
380 | if top20:
381 |     print(col.brown + "\nTop 20 hashes\n" + col.end)
382 |     for hash,count in sorted(hashcount.items(), key=lambda x: x[1], reverse=True)[:20]:
383 |         if hash in pot:
384 |             if pot[hash] == "":
385 |                 pw = col.red + "[empty]" + col.end
386 |                 hash = mask(hash)
387 |             else:
388 |                 pw = mask(pot[hash])
389 |                 hash = mask(hash)
390 |             print(str(count) + "\t" + hash + "\t" + pw)
391 |         else:
392 |             hash = mask(hash)
393 |             print(str(count) + "\t" + hash + "\t" + col.green + "[uncracked]" + col.end)
394 | 
395 | if sys.stdout.isatty():
396 |     print("")
397 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
  1 |                     GNU GENERAL PUBLIC LICENSE
  2 |                        Version 3, 29 June 2007
  3 | 
  4 |  Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
  5 |  Everyone is permitted to copy and distribute verbatim copies
  6 |  of this license document, but changing it is not allowed.
  7 | 
  8 |                             Preamble
  9 | 
 10 |   The GNU General Public License is a free, copyleft license for
 11 | software and other kinds of works.
 12 | 
 13 |   The licenses for most software and other practical works are designed
 14 | to take away your freedom to share and change the works.  By contrast,
 15 | the GNU General Public License is intended to guarantee your freedom to
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230 |     d) If the work has interactive user interfaces, each must display
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235 |   A compilation of a covered work with other separate and independent
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245 |   6. Conveying Non-Source Forms.
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247 |   You may convey a covered work in object code form under the terms
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257 |     b) Convey the object code in, or embodied in, a physical product
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274 | 
275 |     d) Convey the object code by offering access from a designated
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280 |     copy the object code is a network server, the Corresponding Source
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288 |     e) Convey the object code using peer-to-peer transmission, provided
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290 |     Source of the work are being offered to the general public at no
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297 |   A "User Product" is either (1) a "consumer product", which means any
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318 |   If you convey an object code work under this section in, or with, or
319 | specifically for use in, a User Product, and the conveying occurs as
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332 | the User Product in which it has been modified or installed.  Access to a
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338 | in accord with this section must be in a format that is publicly
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340 | source code form), and must require no special password or key for
341 | unpacking, reading or copying.
342 | 
343 |   7. Additional Terms.
344 | 
345 |   "Additional permissions" are terms that supplement the terms of this
346 | License by making exceptions from one or more of its conditions.
347 | Additional permissions that are applicable to the entire Program shall
348 | be treated as though they were included in this License, to the extent
349 | that they are valid under applicable law.  If additional permissions
350 | apply only to part of the Program, that part may be used separately
351 | under those permissions, but the entire Program remains governed by
352 | this License without regard to the additional permissions.
353 | 
354 |   When you convey a copy of a covered work, you may at your option
355 | remove any additional permissions from that copy, or from any part of
356 | it.  (Additional permissions may be written to require their own
357 | removal in certain cases when you modify the work.)  You may place
358 | additional permissions on material, added by you to a covered work,
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361 |   Notwithstanding any other provision of this License, for material you
362 | add to a covered work, you may (if authorized by the copyright holders of
363 | that material) supplement the terms of this License with terms:
364 | 
365 |     a) Disclaiming warranty or limiting liability differently from the
366 |     terms of sections 15 and 16 of this License; or
367 | 
368 |     b) Requiring preservation of specified reasonable legal notices or
369 |     author attributions in that material or in the Appropriate Legal
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372 |     c) Prohibiting misrepresentation of the origin of that material, or
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388 |   All other non-permissive additional terms are considered "further
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390 | received it, or any part of it, contains a notice stating that it is
391 | governed by this License along with a term that is a further
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393 | a further restriction but permits relicensing or conveying under this
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395 | of that license document, provided that the further restriction does
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398 |   If you add terms to a covered work in accord with this section, you
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403 |   Additional terms, permissive or non-permissive, may be stated in the
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405 | the above requirements apply either way.
406 | 
407 |   8. Termination.
408 | 
409 |   You may not propagate or modify a covered work except as expressly
410 | provided under this License.  Any attempt otherwise to propagate or
411 | modify it is void, and will automatically terminate your rights under
412 | this License (including any patent licenses granted under the third
413 | paragraph of section 11).
414 | 
415 |   However, if you cease all violation of this License, then your
416 | license from a particular copyright holder is reinstated (a)
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418 | finally terminates your license, and (b) permanently, if the copyright
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420 | prior to 60 days after the cessation.
421 | 
422 |   Moreover, your license from a particular copyright holder is
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425 | received notice of violation of this License (for any work) from that
426 | copyright holder, and you cure the violation prior to 30 days after
427 | your receipt of the notice.
428 | 
429 |   Termination of your rights under this section does not terminate the
430 | licenses of parties who have received copies or rights from you under
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432 | reinstated, you do not qualify to receive new licenses for the same
433 | material under section 10.
434 | 
435 |   9. Acceptance Not Required for Having Copies.
436 | 
437 |   You are not required to accept this License in order to receive or
438 | run a copy of the Program.  Ancillary propagation of a covered work
439 | occurring solely as a consequence of using peer-to-peer transmission
440 | to receive a copy likewise does not require acceptance.  However,
441 | nothing other than this License grants you permission to propagate or
442 | modify any covered work.  These actions infringe copyright if you do
443 | not accept this License.  Therefore, by modifying or propagating a
444 | covered work, you indicate your acceptance of this License to do so.
445 | 
446 |   10. Automatic Licensing of Downstream Recipients.
447 | 
448 |   Each time you convey a covered work, the recipient automatically
449 | receives a license from the original licensors, to run, modify and
450 | propagate that work, subject to this License.  You are not responsible
451 | for enforcing compliance by third parties with this License.
452 | 
453 |   An "entity transaction" is a transaction transferring control of an
454 | organization, or substantially all assets of one, or subdividing an
455 | organization, or merging organizations.  If propagation of a covered
456 | work results from an entity transaction, each party to that
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462 | 
463 |   You may not impose any further restrictions on the exercise of the
464 | rights granted or affirmed under this License.  For example, you may
465 | not impose a license fee, royalty, or other charge for exercise of
466 | rights granted under this License, and you may not initiate litigation
467 | (including a cross-claim or counterclaim in a lawsuit) alleging that
468 | any patent claim is infringed by making, using, selling, offering for
469 | sale, or importing the Program or any portion of it.
470 | 
471 |   11. Patents.
472 | 
473 |   A "contributor" is a copyright holder who authorizes use under this
474 | License of the Program or a work on which the Program is based.  The
475 | work thus licensed is called the contributor's "contributor version".
476 | 
477 |   A contributor's "essential patent claims" are all patent claims
478 | owned or controlled by the contributor, whether already acquired or
479 | hereafter acquired, that would be infringed by some manner, permitted
480 | by this License, of making, using, or selling its contributor version,
481 | but do not include claims that would be infringed only as a
482 | consequence of further modification of the contributor version.  For
483 | purposes of this definition, "control" includes the right to grant
484 | patent sublicenses in a manner consistent with the requirements of
485 | this License.
486 | 
487 |   Each contributor grants you a non-exclusive, worldwide, royalty-free
488 | patent license under the contributor's essential patent claims, to
489 | make, use, sell, offer for sale, import and otherwise run, modify and
490 | propagate the contents of its contributor version.
491 | 
492 |   In the following three paragraphs, a "patent license" is any express
493 | agreement or commitment, however denominated, not to enforce a patent
494 | (such as an express permission to practice a patent or covenant not to
495 | sue for patent infringement).  To "grant" such a patent license to a
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497 | patent against the party.
498 | 
499 |   If you convey a covered work, knowingly relying on a patent license,
500 | and the Corresponding Source of the work is not available for anyone
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503 | then you must either (1) cause the Corresponding Source to be so
504 | available, or (2) arrange to deprive yourself of the benefit of the
505 | patent license for this particular work, or (3) arrange, in a manner
506 | consistent with the requirements of this License, to extend the patent
507 | license to downstream recipients.  "Knowingly relying" means you have
508 | actual knowledge that, but for the patent license, your conveying the
509 | covered work in a country, or your recipient's use of the covered work
510 | in a country, would infringe one or more identifiable patents in that
511 | country that you have reason to believe are valid.
512 | 
513 |   If, pursuant to or in connection with a single transaction or
514 | arrangement, you convey, or propagate by procuring conveyance of, a
515 | covered work, and grant a patent license to some of the parties
516 | receiving the covered work authorizing them to use, propagate, modify
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519 | work and works based on it.
520 | 
521 |   A patent license is "discriminatory" if it does not include within
522 | the scope of its coverage, prohibits the exercise of, or is
523 | conditioned on the non-exercise of one or more of the rights that are
524 | specifically granted under this License.  You may not convey a covered
525 | work if you are a party to an arrangement with a third party that is
526 | in the business of distributing software, under which you make payment
527 | to the third party based on the extent of your activity of conveying
528 | the work, and under which the third party grants, to any of the
529 | parties who would receive the covered work from you, a discriminatory
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533 | contain the covered work, unless you entered into that arrangement,
534 | or that patent license was granted, prior to 28 March 2007.
535 | 
536 |   Nothing in this License shall be construed as excluding or limiting
537 | any implied license or other defenses to infringement that may
538 | otherwise be available to you under applicable patent law.
539 | 
540 |   12. No Surrender of Others' Freedom.
541 | 
542 |   If conditions are imposed on you (whether by court order, agreement or
543 | otherwise) that contradict the conditions of this License, they do not
544 | excuse you from the conditions of this License.  If you cannot convey a
545 | covered work so as to satisfy simultaneously your obligations under this
546 | License and any other pertinent obligations, then as a consequence you may
547 | not convey it at all.  For example, if you agree to terms that obligate you
548 | to collect a royalty for further conveying from those to whom you convey
549 | the Program, the only way you could satisfy both those terms and this
550 | License would be to refrain entirely from conveying the Program.
551 | 
552 |   13. Use with the GNU Affero General Public License.
553 | 
554 |   Notwithstanding any other provision of this License, you have
555 | permission to link or combine any covered work with a work licensed
556 | under version 3 of the GNU Affero General Public License into a single
557 | combined work, and to convey the resulting work.  The terms of this
558 | License will continue to apply to the part which is the covered work,
559 | but the special requirements of the GNU Affero General Public License,
560 | section 13, concerning interaction through a network will apply to the
561 | combination as such.
562 | 
563 |   14. Revised Versions of this License.
564 | 
565 |   The Free Software Foundation may publish revised and/or new versions of
566 | the GNU General Public License from time to time.  Such new versions will
567 | be similar in spirit to the present version, but may differ in detail to
568 | address new problems or concerns.
569 | 
570 |   Each version is given a distinguishing version number.  If the
571 | Program specifies that a certain numbered version of the GNU General
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573 | option of following the terms and conditions either of that numbered
574 | version or of any later version published by the Free Software
575 | Foundation.  If the Program does not specify a version number of the
576 | GNU General Public License, you may choose any version ever published
577 | by the Free Software Foundation.
578 | 
579 |   If the Program specifies that a proxy can decide which future
580 | versions of the GNU General Public License can be used, that proxy's
581 | public statement of acceptance of a version permanently authorizes you
582 | to choose that version for the Program.
583 | 
584 |   Later license versions may give you additional or different
585 | permissions.  However, no additional obligations are imposed on any
586 | author or copyright holder as a result of your choosing to follow a
587 | later version.
588 | 
589 |   15. Disclaimer of Warranty.
590 | 
591 |   THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
592 | APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
596 | PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
597 | IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
599 | 
600 |   16. Limitation of Liability.
601 | 
602 |   IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
603 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
604 | THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
605 | GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
606 | USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
607 | DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
608 | PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
609 | EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
610 | SUCH DAMAGES.
611 | 
612 |   17. Interpretation of Sections 15 and 16.
613 | 
614 |   If the disclaimer of warranty and limitation of liability provided
615 | above cannot be given local legal effect according to their terms,
616 | reviewing courts shall apply local law that most closely approximates
617 | an absolute waiver of all civil liability in connection with the
618 | Program, unless a warranty or assumption of liability accompanies a
619 | copy of the Program in return for a fee.
620 | 
621 |                      END OF TERMS AND CONDITIONS
622 | 
623 |             How to Apply These Terms to Your New Programs
624 | 
625 |   If you develop a new program, and you want it to be of the greatest
626 | possible use to the public, the best way to achieve this is to make it
627 | free software which everyone can redistribute and change under these terms.
628 | 
629 |   To do so, attach the following notices to the program.  It is safest
630 | to attach them to the start of each source file to most effectively
631 | state the exclusion of warranty; and each file should have at least
632 | the "copyright" line and a pointer to where the full notice is found.
633 | 
634 |     <one line to give the program's name and a brief idea of what it does.>
635 |     Copyright (C) <year>  <name of author>
636 | 
637 |     This program is free software: you can redistribute it and/or modify
638 |     it under the terms of the GNU General Public License as published by
639 |     the Free Software Foundation, either version 3 of the License, or
640 |     (at your option) any later version.
641 | 
642 |     This program is distributed in the hope that it will be useful,
643 |     but WITHOUT ANY WARRANTY; without even the implied warranty of
644 |     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
645 |     GNU General Public License for more details.
646 | 
647 |     You should have received a copy of the GNU General Public License
648 |     along with this program.  If not, see <http://www.gnu.org/licenses/>.
649 | 
650 | Also add information on how to contact you by electronic and paper mail.
651 | 
652 |   If the program does terminal interaction, make it output a short
653 | notice like this when it starts in an interactive mode:
654 | 
655 |     <program>  Copyright (C) <year>  <name of author>
656 |     This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 |     This is free software, and you are welcome to redistribute it
658 |     under certain conditions; type `show c' for details.
659 | 
660 | The hypothetical commands `show w' and `show c' should show the appropriate
661 | parts of the General Public License.  Of course, your program's commands
662 | might be different; for a GUI interface, you would use an "about box".
663 | 
664 |   You should also get your employer (if you work as a programmer) or school,
665 | if any, to sign a "copyright disclaimer" for the program, if necessary.
666 | For more information on this, and how to apply and follow the GNU GPL, see
667 | <http://www.gnu.org/licenses/>.
668 | 
669 |   The GNU General Public License does not permit incorporating your program
670 | into proprietary programs.  If your program is a subroutine library, you
671 | may consider it more useful to permit linking proprietary applications with
672 | the library.  If this is what you want to do, use the GNU Lesser General
673 | Public License instead of this License.  But first, please read
674 | <http://www.gnu.org/philosophy/why-not-lgpl.html>.
675 | 


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