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70 lines
1.3 KiB
Python
70 lines
1.3 KiB
Python
import pwd
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import string
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verbose = 0
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if __name__ == '__main__':
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verbose = 1
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entries = pwd.getpwall()
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for e in entries:
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name = e[0]
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uid = e[2]
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if verbose:
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print name, uid
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dbuid = pwd.getpwuid(uid)
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if dbuid[0] <> name:
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print 'Mismatch in pwd.getpwuid()'
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dbname = pwd.getpwnam(name)
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if dbname[2] <> uid:
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print 'Mismatch in pwd.getpwnam()'
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break
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# try to get some errors
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bynames = {}
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byuids = {}
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for n, p, u, g, gecos, d, s in entries:
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bynames[n] = u
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byuids[u] = n
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allnames = bynames.keys()
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namei = 0
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fakename = allnames[namei]
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while bynames.has_key(fakename):
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chars = map(None, fakename)
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for i in range(len(chars)):
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if chars[i] == 'z':
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chars[i] = 'A'
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break
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elif chars[i] == 'Z':
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continue
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else:
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chars[i] = chr(ord(chars[i]) + 1)
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break
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else:
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namei = namei + 1
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try:
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fakename = allnames[namei]
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except IndexError:
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# should never happen... if so, just forget it
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break
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fakename = string.join(map(None, chars), '')
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try:
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pwd.getpwnam(fakename)
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except KeyError:
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pass
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else:
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print 'fakename', fakename, 'did not except pwd.getpwnam()'
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uids = byuids.keys()
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uids.sort()
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uids.reverse()
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fakeuid = uids[0] + 1
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try:
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pwd.getpwuid(fakeuid)
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except KeyError:
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pass
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else:
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print 'fakeuid', fakeuid, 'did not except pwd.getpwuid()'
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