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| #!/usr/bin/env python |
| # -*- coding: UTF-8 -*- |
| |
| """ |
| Relevation Password Printer |
| a command line interface to Revelation Password Manager. |
| |
| This program is published under a BSD 3-clause license, |
| the full license text is included in a separate file. |
| |
| Code based on Revelation's former BTS (no longer online, not archived?): |
| (ref1) code: |
| http://oss.wired-networks.net/bugzilla/attachment.cgi?id=13&action=view |
| (ref2) bug report: |
| http://oss.wired-networks.net/bugzilla/show_bug.cgi?id=111 |
| -> http://web.archive.org/http://oss.wired-networks.net/bugzilla/show_bug.cgi?id=111 |
| (ref3) http://docs.python.org/library/zlib.html |
| """ |
| import getopt |
| import libxml2 |
| import os |
| import sys |
| import zlib |
| from Crypto.Cipher import AES |
| |
| |
| __author__ = 'Toni Corvera' |
| __date__ = '$Date$' |
| __revision__ = '$Rev$' |
| __version_info__ = ( 0, 2, 0 ) |
| __version__ = '.'.join(map(str, __version_info__)) |
| RELEASE=True |
| |
| def usage(channel): |
| def p(s): |
| channel.write(s) |
| p('%s {-f passwordfile} {-p password | -0} search [search2] [...]\n' % sys.argv[0]) |
| p('\nOptions:\n') |
| p(' -f <FILE>, --file=<FILE> Revelation password file\n') |
| p(' -p <PASS>, --password=<PASS> Master password\n') |
| p(' -s <SEARCH>, --search=<SEARCH> Search for string\n') |
| p(' -i, --case-insensitive Case insensitive search [default]\n') |
| p(' -c, --case-sensitive Case sensitive search\n') |
| p(' -a, --ask Interactively ask for password.\n') |
| p(' Note it will be displayed in clear as you\n') |
| p(' type it.\n') |
| p(' -0, --stdin Read password from standard input\n') |
| p(' -h, --help Print help (this message).\n') |
| p(' --version Print the program\'s version information.\n') |
| p('\n') |
| |
| def search(xmldata, search, caseInsensitive=True): |
| doc = libxml2.parseDoc(xmldata) |
| ctxt = doc.xpathNewContext() |
| commonXPath = '//revelationdata//entry[@type!="folder"]//text()' |
| caseSensitiveXPath = '[contains(., "%s")]/../..' % search |
| caseInsensitiveXPath = '[contains(translate(., "ABCDEFGHIJKLMNOPQRSTUVWXYZ", "abcdefghijklmnopqrstuvwxyz"), "%s")]/../..' % search |
| if caseInsensitive: |
| xpath = commonXPath + caseInsensitiveXPath |
| else: |
| xpath = commonXPath + caseSensitiveXPath |
| res = ctxt.xpathEval(xpath) |
| print '-> Search "%s": ' % search, |
| if not len(res): |
| print 'No results' |
| sys.exit(80) |
| print '%d matches' % len(res) |
| tagnames ={ 'generic-url': 'Url:', |
| 'generic-username': 'Username:', |
| 'generic-password': 'Password:', |
| 'generic-email': 'Email:', |
| 'generic-hostname': 'Hostname:', |
| } |
| for x in res: |
| print '- * - * - * - * - * - * - * - * - * - * - * - * - * - * - * - * - * - * - * - ' |
| print '' |
| for attr in x.properties: # Is it accessible directly? |
| if attr.name == 'type': |
| print 'Type:',attr.children |
| for chld in x.children: |
| n = chld.name |
| val = chld.content |
| if n == 'name': |
| print 'Name:',val |
| elif n == 'description': |
| print 'Description:',val |
| elif n == 'field': |
| for attr in chld.properties: |
| if attr.name == 'id': |
| idv = attr.content |
| if idv in tagnames: |
| idv = tagnames[idv] |
| print idv,chld.content |
| print '' |
| # / for chld in x.children |
| nr = len(res) |
| plural = '' |
| if nr > 1: |
| plural = 's' |
| sys.stderr.write('<- (end of %d result%s for "%s")\n\n' % ( nr, plural, search )) |
| doc.freeDoc() |
| ctxt.xpathFreeContext() |
| |
| def main(): |
| datafile = None |
| password = None |
| searches = [] |
| caseInsensitive = True |
| |
| sys.stderr.write('Relevation v%s, (c) 2011 Toni Corvera\n\n' % __version__) |
| try: |
| # gnu_getopt requires py >= 2.3 |
| ops, args = getopt.gnu_getopt(sys.argv[1:], 'f:p:s:0ciah', |
| [ 'file=', 'password=', 'search=', 'stdin', |
| 'case-sensitive', 'case-insensitive', 'ask', |
| 'help', 'version' ]) |
| except getopt.GetoptError, err: |
| print str(err) |
| usage(sys.stderr) |
| sys.exit(os.EX_USAGE) |
| if args: |
| searches = args |
| |
| if ( '-h', '' ) in ops or ( '--help', '' ) in ops: |
| usage(sys.stdout) |
| sys.exit(os.EX_OK) |
| if ( '--version', '' ) in ops: |
| release='' |
| if not RELEASE: |
| release=' [DEBUG]' |
| print 'Relevation version %s%s' % ( __version__, release ) |
| print 'Python version %s' % sys.version |
| sys.exit(os.EX_OK) |
| |
| for opt, arg in ops: |
| if opt in ( '-f', '--file' ): |
| datafile = arg |
| elif opt in ( '-p', '--password' ): |
| password = arg |
| elif opt in ( '-a', '--ask', '-0', '--stdin' ): |
| if opt in ( '-a', '--ask' ): |
| sys.stderr.write('File password: ') |
| password = sys.stdin.readline() |
| password = password[:-1] |
| elif opt in ( '-s', '--search' ): |
| searches.append(arg) |
| elif opt in ( '-i', '--case-insensitive' ): |
| caseInsensitive = True |
| elif opt in ( '-c', '--case-sensitive' ): |
| caseInsensitive = False |
| else: |
| sys.stderr.write('Unhandled option: %s\n' % opt) |
| assert False, "internal error parsing options" |
| if not datafile or not password: |
| usage(sys.stderr) |
| if not datafile: |
| sys.stderr.write('Input password filename is required\n') |
| if not password: |
| sys.stderr.write('Password is required\n') |
| sys.exit(os.EX_USAGE) |
| # Encrypted data |
| f = None |
| try: |
| if not os.access(datafile, os.R_OK): |
| raise IOError('File \'%s\' not accessible' % datafile) |
| f = open(datafile, "rb") |
| data = f.read() |
| finally: |
| if f: |
| f.close() |
| # Pad password |
| password += (chr(0) * (32 - len(password))) |
| # Data IV |
| c = AES.new(password) |
| iv = c.decrypt(data[12:28]) |
| # Decrypt. Decrypted data is compressed |
| c = AES.new(password, AES.MODE_CBC, iv) |
| cleardata_gz = c.decrypt(data[28:]) |
| # Length of data padding |
| padlen = ord(cleardata_gz[-1]) |
| # Decompress actual data (15 is wbits [ref3] DON'T CHANGE, 2**15 is the (initial) buf size) |
| xmldata = zlib.decompress(cleardata_gz[:-padlen], 15, 2**15) |
| if not searches: |
| print xmldata |
| sys.exit(os.EX_OK) |
| for s in searches: |
| search(xmldata, s, caseInsensitive) |
| |
| if __name__ == '__main__': |
| try: |
| main() |
| except libxml2.parserError as e: |
| sys.stderr.write('XML parsing error\n') |
| if not RELEASE: |
| traceback.print_exc() |
| sys.exit(os.EX_DATAERR) |
| except IOError as e: |
| if not RELEASE: |
| traceback.print_exc() |
| sys.stderr.write(str(e)+"\n") |
| sys.exit(os.EX_IOERR) |
| |
| # vim:set ts=4 et ai fileencoding=utf-8: # |
| Property changes: |
|---|
| Added: svn:executable |
|---|
| Added: svn:keywords |
|---|
| +Rev Id Date |
|---|
| \ No newline at end of property |
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